* [PATCH v2 00/19] add mt76x2u support to mt76 driver
@ 2018-07-31 8:09 Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h Lorenzo Bianconi
` (19 more replies)
0 siblings, 20 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Add usb layer to mt76 driver in order to support mt76x2u based devices.
Move common code between pci and usb in mt76x2-common module in order to
remove pci dependency from usb driver
Changes since v1:
- rebase on top of wireless-drivers-next master branch
- fix mt7662u fw definitions
- remove unused len variable in mt76x2u_remove_dma_hdr()
- move mt76u_mcu_fw_reset routine in mt76-usb module in order
to be reused by mt76x0 driver
- move mt76u_mcu_init_rx routine in mt76-usb module in order
to be reused by mt76x0 driver
Changes since RFCv3:
- rebase on top of wireless-drivers-next master branch
- fix some sparse warnings
- fix a race between stats wk and hw_stop
- move stats wk handler in mt76-usb module in order to be reused
for mt76x0u support
- move most of tx_status management in mt76-usb module in order
to be reused for mt76x0u support
- move some mcu utility routines in mt76-usb module in order to
be reused for mt76x0u support
- rename mt76_usb* in mt76u*
- drop 'mt76x2: use completion instead of wait_queue for mcu rx queue'
- move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h
Changes since RFCv2:
- move usb layer in a separate module
- add usb scatter/gather to properly support A-MSDU
- rebase on top of wireless-drivers-next master branch
- rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb and move it in dma.c
Changes since RFCv1:
- added power management support
- updated usb_device_id list
- fixed 5GHz frequencies scan
- fixed various races during module load/unload
- implemented dynamic AGC tuning based on false packet detection count
- use netdev_alloc_frag/build_skb to get rid of rx frames copies
- addressed comments from Stanislaw
- added bss configuration support
- added tx power configuration support
- patchset rebased on top of current wireless-drivers-next master branch
Lorenzo Bianconi (19):
mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h
mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in
mcu.h
mt76x2: move utility routines in mt76x2.h
mt76x2: introduce mt76x2_init_device routine
mt76x2: move interface_modes definition in mt76x2_init
mt76x2: introduce mt76x2_mac_load_tx_status routine
mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete
signatures
mt76x2: add buffer len to mt76x2_mac_write_txwi signature
mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb
mt76: introduce tx_queue_skb function pointer in mt76_bus_ops
mt76: introduce mt76x2-common module
mt76: add mt76x2_tx_common to mt76x2-common module
mt76: add mt76x2_mac_common to mt76x2-common module
mt76: add mt76x2_init_common to mt76x2-common module
mt76: add mt76x2_common to mt76x2-common module
mt76: add mt76x2_phy_common to mt76x2-common module
mt76: move mt76x2_debugfs in mt76-common module
mt76: add usb support to mt76 layer
mt76: add driver code for MT76x2u based devices
drivers/net/wireless/mediatek/mt76/Kconfig | 19 +
drivers/net/wireless/mediatek/mt76/Makefile | 19 +-
drivers/net/wireless/mediatek/mt76/agg-rx.c | 2 +-
drivers/net/wireless/mediatek/mt76/dma.c | 77 +-
drivers/net/wireless/mediatek/mt76/dma.h | 43 +
drivers/net/wireless/mediatek/mt76/mac80211.c | 20 +-
drivers/net/wireless/mediatek/mt76/mt76.h | 160 +++-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 90 +-
.../wireless/mediatek/mt76/mt76x2_common.c | 350 ++++++++
.../wireless/mediatek/mt76/mt76x2_debugfs.c | 1 +
.../net/wireless/mediatek/mt76/mt76x2_dma.c | 21 -
.../net/wireless/mediatek/mt76/mt76x2_dma.h | 38 -
.../wireless/mediatek/mt76/mt76x2_eeprom.c | 13 +-
.../wireless/mediatek/mt76/mt76x2_eeprom.h | 1 +
.../net/wireless/mediatek/mt76/mt76x2_init.c | 311 +------
.../mediatek/mt76/mt76x2_init_common.c | 259 ++++++
.../net/wireless/mediatek/mt76/mt76x2_mac.c | 626 +------------
.../net/wireless/mediatek/mt76/mt76x2_mac.h | 2 +-
.../mediatek/mt76/mt76x2_mac_common.c | 699 +++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2_main.c | 307 -------
.../net/wireless/mediatek/mt76/mt76x2_mcu.c | 17 -
.../net/wireless/mediatek/mt76/mt76x2_mcu.h | 17 +
.../net/wireless/mediatek/mt76/mt76x2_phy.c | 347 -------
.../mediatek/mt76/mt76x2_phy_common.c | 349 ++++++++
.../net/wireless/mediatek/mt76/mt76x2_regs.h | 30 +
.../net/wireless/mediatek/mt76/mt76x2_tx.c | 128 +--
.../wireless/mediatek/mt76/mt76x2_tx_common.c | 149 +++
.../net/wireless/mediatek/mt76/mt76x2_usb.c | 142 +++
drivers/net/wireless/mediatek/mt76/mt76x2u.h | 83 ++
.../net/wireless/mediatek/mt76/mt76x2u_core.c | 108 +++
.../net/wireless/mediatek/mt76/mt76x2u_init.c | 318 +++++++
.../net/wireless/mediatek/mt76/mt76x2u_mac.c | 240 +++++
.../net/wireless/mediatek/mt76/mt76x2u_main.c | 185 ++++
.../net/wireless/mediatek/mt76/mt76x2u_mcu.c | 463 ++++++++++
.../net/wireless/mediatek/mt76/mt76x2u_phy.c | 303 +++++++
drivers/net/wireless/mediatek/mt76/tx.c | 85 +-
drivers/net/wireless/mediatek/mt76/usb.c | 845 ++++++++++++++++++
drivers/net/wireless/mediatek/mt76/usb_mcu.c | 242 +++++
.../net/wireless/mediatek/mt76/usb_trace.c | 23 +
.../net/wireless/mediatek/mt76/usb_trace.h | 71 ++
40 files changed, 5321 insertions(+), 1882 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_common.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_core.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_init.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_main.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_mcu.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_trace.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_trace.h
--
2.17.1
^ permalink raw reply [flat|nested] 24+ messages in thread
* [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-08-02 18:49 ` Kalle Valo
2018-07-31 8:09 ` [PATCH v2 02/19] mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h Lorenzo Bianconi
` (18 subsequent siblings)
19 siblings, 1 reply; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Since MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO definitions are in
common between mt76x2u, mt76x2 and mt76x0u move them in dma.h in order
to reuse usb code supporting mt76x2u and mt76x0u based devices
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/dma.h | 38 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2_dma.h | 38 -------------------
2 files changed, 38 insertions(+), 38 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h
index 1dad39697929..14cfb2dbca25 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.h
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -25,6 +25,34 @@
#define MT_DMA_CTL_LAST_SEC0 BIT(30)
#define MT_DMA_CTL_DMA_DONE BIT(31)
+#define MT_TXD_INFO_LEN GENMASK(15, 0)
+#define MT_TXD_INFO_NEXT_VLD BIT(16)
+#define MT_TXD_INFO_TX_BURST BIT(17)
+#define MT_TXD_INFO_80211 BIT(19)
+#define MT_TXD_INFO_TSO BIT(20)
+#define MT_TXD_INFO_CSO BIT(21)
+#define MT_TXD_INFO_WIV BIT(24)
+#define MT_TXD_INFO_QSEL GENMASK(26, 25)
+#define MT_TXD_INFO_DPORT GENMASK(29, 27)
+#define MT_TXD_INFO_TYPE GENMASK(31, 30)
+
+#define MT_RX_FCE_INFO_LEN GENMASK(13, 0)
+#define MT_RX_FCE_INFO_SELF_GEN BIT(15)
+#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16)
+#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20)
+#define MT_RX_FCE_INFO_PCIE_INTR BIT(24)
+#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25)
+#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27)
+#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30)
+
+/* MCU request message header */
+#define MT_MCU_MSG_LEN GENMASK(15, 0)
+#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16)
+#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20)
+#define MT_MCU_MSG_PORT GENMASK(29, 27)
+#define MT_MCU_MSG_TYPE GENMASK(31, 30)
+#define MT_MCU_MSG_TYPE_CMD BIT(30)
+
struct mt76_desc {
__le32 buf0;
__le32 ctrl;
@@ -32,6 +60,16 @@ struct mt76_desc {
__le32 info;
} __packed __aligned(4);
+enum dma_msg_port {
+ WLAN_PORT,
+ CPU_RX_PORT,
+ CPU_TX_PORT,
+ HOST_PORT,
+ VIRTUAL_CPU_RX_PORT,
+ VIRTUAL_CPU_TX_PORT,
+ DISCARD,
+};
+
int mt76_dma_attach(struct mt76_dev *dev);
void mt76_dma_cleanup(struct mt76_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
index e9d426bbf91a..da294558c268 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
@@ -19,34 +19,6 @@
#include "dma.h"
-#define MT_TXD_INFO_LEN GENMASK(15, 0)
-#define MT_TXD_INFO_NEXT_VLD BIT(16)
-#define MT_TXD_INFO_TX_BURST BIT(17)
-#define MT_TXD_INFO_80211 BIT(19)
-#define MT_TXD_INFO_TSO BIT(20)
-#define MT_TXD_INFO_CSO BIT(21)
-#define MT_TXD_INFO_WIV BIT(24)
-#define MT_TXD_INFO_QSEL GENMASK(26, 25)
-#define MT_TXD_INFO_DPORT GENMASK(29, 27)
-#define MT_TXD_INFO_TYPE GENMASK(31, 30)
-
-#define MT_RX_FCE_INFO_LEN GENMASK(13, 0)
-#define MT_RX_FCE_INFO_SELF_GEN BIT(15)
-#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16)
-#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20)
-#define MT_RX_FCE_INFO_PCIE_INTR BIT(24)
-#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25)
-#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27)
-#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30)
-
-/* MCU request message header */
-#define MT_MCU_MSG_LEN GENMASK(15, 0)
-#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16)
-#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20)
-#define MT_MCU_MSG_PORT GENMASK(29, 27)
-#define MT_MCU_MSG_TYPE GENMASK(31, 30)
-#define MT_MCU_MSG_TYPE_CMD BIT(30)
-
enum mt76x2_qsel {
MT_QSEL_MGMT,
MT_QSEL_HCCA,
@@ -54,14 +26,4 @@ enum mt76x2_qsel {
MT_QSEL_EDCA_2,
};
-enum dma_msg_port {
- WLAN_PORT,
- CPU_RX_PORT,
- CPU_TX_PORT,
- HOST_PORT,
- VIRTUAL_CPU_RX_PORT,
- VIRTUAL_CPU_TX_PORT,
- DISCARD,
-};
-
#endif
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 02/19] mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 03/19] mt76x2: move utility routines in mt76x2.h Lorenzo Bianconi
` (17 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h in
order to reuse them in mt76x2u mcu related code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c | 17 -----------------
drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
index dfd36d736b06..743da57760dc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
@@ -23,23 +23,6 @@
#include "mt76x2_dma.h"
#include "mt76x2_eeprom.h"
-struct mt76x2_fw_header {
- __le32 ilm_len;
- __le32 dlm_len;
- __le16 build_ver;
- __le16 fw_ver;
- u8 pad[4];
- char build_time[16];
-};
-
-struct mt76x2_patch_header {
- char build_time[16];
- char platform[4];
- char hw_version[4];
- char patch_version[4];
- u8 pad[2];
-};
-
static struct sk_buff *mt76x2_mcu_msg_alloc(const void *data, int len)
{
struct sk_buff *skb;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
index d7a7e83262ce..e40293f21417 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
@@ -146,6 +146,23 @@ struct mt76x2_tssi_comp {
u8 offset1;
} __packed __aligned(4);
+struct mt76x2_fw_header {
+ __le32 ilm_len;
+ __le32 dlm_len;
+ __le16 build_ver;
+ __le16 fw_ver;
+ u8 pad[4];
+ char build_time[16];
+};
+
+struct mt76x2_patch_header {
+ char build_time[16];
+ char platform[4];
+ char hw_version[4];
+ char patch_version[4];
+ u8 pad[2];
+};
+
int mt76x2_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
u32 param);
int mt76x2_mcu_tssi_comp(struct mt76x2_dev *dev, struct mt76x2_tssi_comp *tssi_data);
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 03/19] mt76x2: move utility routines in mt76x2.h
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 02/19] mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 04/19] mt76x2: introduce mt76x2_init_device routine Lorenzo Bianconi
` (16 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
In order to reuse them supporting mt76x2u based devices, move
mt76x2_wait_for_mac, wait_for_wpdma and mt76x2_channel_silent in
mt76x2.h
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mt76x2.h | 40 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2_init.c | 28 -------------
.../net/wireless/mediatek/mt76/mt76x2_phy.c | 9 -----
3 files changed, 40 insertions(+), 37 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 40e57073923e..e9d9e8228e89 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -159,6 +159,23 @@ struct mt76x2_sta {
int inactive_count;
};
+static inline bool mt76x2_wait_for_mac(struct mt76x2_dev *dev)
+{
+ int i;
+
+ for (i = 0; i < 500; i++) {
+ switch (mt76_rr(dev, MT_MAC_CSR0)) {
+ case 0:
+ case ~0:
+ break;
+ default:
+ return true;
+ }
+ usleep_range(5000, 10000);
+ }
+ return false;
+}
+
static inline bool is_mt7612(struct mt76x2_dev *dev)
{
return mt76_chip(&dev->mt76) == 0x7612;
@@ -166,6 +183,14 @@ static inline bool is_mt7612(struct mt76x2_dev *dev)
void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set);
+static inline bool mt76x2_channel_silent(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+
+ return ((chan->flags & IEEE80211_CHAN_RADAR) &&
+ chan->dfs_state != NL80211_DFS_AVAILABLE);
+}
+
static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask)
{
mt76x2_set_irq_mask(dev, 0, mask);
@@ -176,6 +201,21 @@ static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask)
mt76x2_set_irq_mask(dev, mask, 0);
}
+static inline bool mt76x2_wait_for_bbp(struct mt76x2_dev *dev)
+{
+ return mt76_poll_msec(dev, MT_MAC_STATUS,
+ MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
+ 0, 100);
+}
+
+static inline bool wait_for_wpdma(struct mt76x2_dev *dev)
+{
+ return mt76_poll(dev, MT_WPDMA_GLO_CFG,
+ MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+ MT_WPDMA_GLO_CFG_RX_DMA_BUSY,
+ 0, 1000);
+}
+
extern const struct ieee80211_ops mt76x2_ops;
struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index 8ab9788464e8..347cccfc74bb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -24,34 +24,6 @@ struct mt76x2_reg_pair {
u32 value;
};
-static bool
-mt76x2_wait_for_mac(struct mt76x2_dev *dev)
-{
- int i;
-
- for (i = 0; i < 500; i++) {
- switch (mt76_rr(dev, MT_MAC_CSR0)) {
- case 0:
- case ~0:
- break;
- default:
- return true;
- }
- usleep_range(5000, 10000);
- }
-
- return false;
-}
-
-static bool
-wait_for_wpdma(struct mt76x2_dev *dev)
-{
- return mt76_poll(dev, MT_WPDMA_GLO_CFG,
- MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
- MT_WPDMA_GLO_CFG_RX_DMA_BUSY,
- 0, 1000);
-}
-
static void
mt76x2_mac_pbf_init(struct mt76x2_dev *dev)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
index 20ffa6a40d39..9a7b50f0005d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -176,15 +176,6 @@ void mt76x2_phy_set_txpower(struct mt76x2_dev *dev)
mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0));
}
-static bool
-mt76x2_channel_silent(struct mt76x2_dev *dev)
-{
- struct ieee80211_channel *chan = dev->mt76.chandef.chan;
-
- return ((chan->flags & IEEE80211_CHAN_RADAR) &&
- chan->dfs_state != NL80211_DFS_AVAILABLE);
-}
-
static bool
mt76x2_phy_tssi_init_cal(struct mt76x2_dev *dev)
{
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 04/19] mt76x2: introduce mt76x2_init_device routine
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (2 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 03/19] mt76x2: move utility routines in mt76x2.h Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 05/19] mt76x2: move interface_modes definition in mt76x2_init Lorenzo Bianconi
` (15 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Add mt76x2_init_device routine in order to reuse common pcie/usb mac80211
initialization code supporting mt76x2u based device
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mt76x2.h | 1 +
.../net/wireless/mediatek/mt76/mt76x2_init.c | 58 ++++++++++---------
2 files changed, 33 insertions(+), 26 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index e9d9e8228e89..896549c2fcbb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -221,6 +221,7 @@ extern const struct ieee80211_ops mt76x2_ops;
struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);
int mt76x2_register_device(struct mt76x2_dev *dev);
void mt76x2_init_debugfs(struct mt76x2_dev *dev);
+void mt76x2_init_device(struct mt76x2_dev *dev);
irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance);
void mt76x2_phy_power_on(struct mt76x2_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index 347cccfc74bb..c3ecc1c206bd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -545,11 +545,6 @@ int mt76x2_init_hardware(struct mt76x2_dev *dev)
tasklet_init(&dev->pre_tbtt_tasklet, mt76x2_pre_tbtt_tasklet,
(unsigned long) dev);
- dev->chainmask = 0x202;
- dev->global_wcid.idx = 255;
- dev->global_wcid.hw_key_idx = -1;
- dev->slottime = 9;
-
val = mt76_rr(dev, MT_WPDMA_GLO_CFG);
val &= MT_WPDMA_GLO_CFG_DMA_BURST_SIZE |
MT_WPDMA_GLO_CFG_BIG_ENDIAN |
@@ -776,6 +771,34 @@ mt76x2_init_txpower(struct mt76x2_dev *dev,
}
}
+void mt76x2_init_device(struct mt76x2_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+
+ hw->queues = 4;
+ hw->max_rates = 1;
+ hw->max_report_rates = 7;
+ hw->max_rate_tries = 1;
+ hw->extra_tx_headroom = 2;
+
+ hw->sta_data_size = sizeof(struct mt76x2_sta);
+ hw->vif_data_size = sizeof(struct mt76x2_vif);
+
+ ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
+ ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
+
+ dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+ dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
+ dev->chainmask = 0x202;
+ dev->global_wcid.idx = 255;
+ dev->global_wcid.hw_key_idx = -1;
+ dev->slottime = 9;
+
+ /* init antenna configuration */
+ dev->mt76.antenna_mask = 3;
+}
+
int mt76x2_register_device(struct mt76x2_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
@@ -790,20 +813,15 @@ int mt76x2_register_device(struct mt76x2_dev *dev)
return -ENOMEM;
kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size);
+ INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate);
+ INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work);
+
+ mt76x2_init_device(dev);
ret = mt76x2_init_hardware(dev);
if (ret)
return ret;
- hw->queues = 4;
- hw->max_rates = 1;
- hw->max_report_rates = 7;
- hw->max_rate_tries = 1;
- hw->extra_tx_headroom = 2;
-
- hw->sta_data_size = sizeof(struct mt76x2_sta);
- hw->vif_data_size = sizeof(struct mt76x2_vif);
-
for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) {
u8 *addr = dev->macaddr_list[i].addr;
@@ -825,24 +843,12 @@ int mt76x2_register_device(struct mt76x2_dev *dev)
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
- ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
- ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
-
- INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate);
- INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work);
-
- dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
- dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
-
mt76x2_dfs_init_detector(dev);
/* init led callbacks */
dev->mt76.led_cdev.brightness_set = mt76x2_led_set_brightness;
dev->mt76.led_cdev.blink_set = mt76x2_led_set_blink;
- /* init antenna configuration */
- dev->mt76.antenna_mask = 3;
-
ret = mt76_register_device(&dev->mt76, true, mt76x2_rates,
ARRAY_SIZE(mt76x2_rates));
if (ret)
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 05/19] mt76x2: move interface_modes definition in mt76x2_init
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (3 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 04/19] mt76x2: introduce mt76x2_init_device routine Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 06/19] mt76x2: introduce mt76x2_mac_load_tx_status routine Lorenzo Bianconi
` (14 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move wiphy interface_modes definition in mt76x2_init in order to
reuse mt76_register_device routine supporting mt76x2u based chipsets
since mt76x2u currently supports just sta mode
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 8 --------
drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 8 ++++++++
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index d62e34e7eadf..6a0b6f4403a8 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -303,14 +303,6 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
SET_IEEE80211_DEV(hw, dev->dev);
SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);
- wiphy->interface_modes =
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP) |
-#ifdef CONFIG_MAC80211_MESH
- BIT(NL80211_IFTYPE_MESH_POINT) |
-#endif
- BIT(NL80211_IFTYPE_ADHOC);
-
wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
wiphy->available_antennas_tx = dev->antenna_mask;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index c3ecc1c206bd..d3eedd9c59b7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -841,6 +841,14 @@ int mt76x2_register_device(struct mt76x2_dev *dev)
wiphy->reg_notifier = mt76x2_regd_notifier;
+ wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_ADHOC);
+
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
mt76x2_dfs_init_detector(dev);
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 06/19] mt76x2: introduce mt76x2_mac_load_tx_status routine
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (4 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 05/19] mt76x2: move interface_modes definition in mt76x2_init Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 07/19] mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signatures Lorenzo Bianconi
` (13 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Add mt76x2_mac_load_tx_status routine since tx stats register map is
shared between usb and pci based devices but usb devices do not have a
tx stat irq line as pcie ones and it is necessary to load tx statistics
using a workqueue
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
.../net/wireless/mediatek/mt76/mt76x2_mac.c | 47 ++++++++++++-------
1 file changed, 30 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
index e5e92f79f28a..bff0b7268467 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
@@ -532,11 +532,37 @@ mt76x2_send_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat,
rcu_read_unlock();
}
+static bool
+mt76x2_mac_load_tx_status(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat)
+{
+ u32 stat1, stat2;
+
+ stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
+ stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
+
+ stat->valid = !!(stat1 & MT_TX_STAT_FIFO_VALID);
+ if (!stat->valid)
+ return false;
+
+ stat->success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS);
+ stat->aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR);
+ stat->ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ);
+ stat->wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1);
+ stat->rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1);
+
+ stat->retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2);
+ stat->pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2);
+
+ return true;
+}
+
void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
{
struct mt76x2_tx_status stat = {};
unsigned long flags;
u8 update = 1;
+ bool ret;
if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state))
return;
@@ -544,26 +570,13 @@ void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
trace_mac_txstat_poll(dev);
while (!irq || !kfifo_is_full(&dev->txstatus_fifo)) {
- u32 stat1, stat2;
-
spin_lock_irqsave(&dev->irq_lock, flags);
- stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
- stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
- if (!(stat1 & MT_TX_STAT_FIFO_VALID)) {
- spin_unlock_irqrestore(&dev->irq_lock, flags);
- break;
- }
-
+ ret = mt76x2_mac_load_tx_status(dev, &stat);
spin_unlock_irqrestore(&dev->irq_lock, flags);
- stat.valid = 1;
- stat.success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS);
- stat.aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR);
- stat.ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ);
- stat.wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1);
- stat.rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1);
- stat.retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2);
- stat.pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2);
+ if (!ret)
+ break;
+
trace_mac_txstat_fetch(dev, &stat);
if (!irq) {
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 07/19] mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signatures
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (5 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 06/19] mt76x2: introduce mt76x2_mac_load_tx_status routine Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 08/19] mt76x2: add buffer len to mt76x2_mac_write_txwi signature Lorenzo Bianconi
` (12 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
in order to reuse mt76_rx_complete routine supporting mt76x2u based
devices add napi struct to mt76_rx_poll_complete and mt76_rx_complete
routine signatures and do not fetch it according to the rx queue index
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/agg-rx.c | 2 +-
drivers/net/wireless/mediatek/mt76/dma.c | 2 +-
drivers/net/wireless/mediatek/mt76/mac80211.c | 12 +++++-------
drivers/net/wireless/mediatek/mt76/mt76.h | 5 +++--
4 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c
index 1e8cdce919d9..73c8b2805c97 100644
--- a/drivers/net/wireless/mediatek/mt76/agg-rx.c
+++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c
@@ -113,7 +113,7 @@ mt76_rx_aggr_reorder_work(struct work_struct *work)
if (nframes)
ieee80211_queue_delayed_work(tid->dev->hw, &tid->reorder_work,
REORDER_TIMEOUT);
- mt76_rx_complete(dev, &frames, -1);
+ mt76_rx_complete(dev, &frames, NULL);
rcu_read_unlock();
local_bh_enable();
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 3dbedcedc2c4..872b1c53e246 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -400,7 +400,7 @@ mt76_dma_rx_poll(struct napi_struct *napi, int budget)
do {
cur = mt76_dma_rx_process(dev, &dev->q_rx[qid], budget - done);
- mt76_rx_poll_complete(dev, qid);
+ mt76_rx_poll_complete(dev, qid, napi);
done += cur;
} while (cur && done < budget);
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 6a0b6f4403a8..029d54bce9e8 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -583,15 +583,11 @@ mt76_check_ps(struct mt76_dev *dev, struct sk_buff *skb)
}
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
- int queue)
+ struct napi_struct *napi)
{
- struct napi_struct *napi = NULL;
struct ieee80211_sta *sta;
struct sk_buff *skb;
- if (queue >= 0)
- napi = &dev->napi[queue];
-
spin_lock(&dev->rx_lock);
while ((skb = __skb_dequeue(frames)) != NULL) {
if (mt76_check_ccmp_pn(skb)) {
@@ -605,7 +601,8 @@ void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
spin_unlock(&dev->rx_lock);
}
-void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q)
+void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
+ struct napi_struct *napi)
{
struct sk_buff_head frames;
struct sk_buff *skb;
@@ -617,5 +614,6 @@ void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q)
mt76_rx_aggr_reorder(skb, &frames);
}
- mt76_rx_complete(dev, &frames, q);
+ mt76_rx_complete(dev, &frames, napi);
}
+EXPORT_SYMBOL_GPL(mt76_rx_poll_complete);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 96e9798bb8a0..eb0fd602b9cb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -456,8 +456,9 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
void mt76_tx_free(struct mt76_dev *dev);
void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
- int queue);
-void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q);
+ struct napi_struct *napi);
+void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
+ struct napi_struct *napi);
void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
#endif
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 08/19] mt76x2: add buffer len to mt76x2_mac_write_txwi signature
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (6 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 07/19] mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signatures Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 09/19] mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb Lorenzo Bianconi
` (11 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Add frame length to mt76x2_mac_write_txwi routine signature and do not
fetch it from skb since txwi data structure is added at the beginning of
the skb for usb based devices and mt76x2_mac_write_txwi will be shared
between pci and usb related code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mt76x2_mac.c | 6 +++---
drivers/net/wireless/mediatek/mt76/mt76x2_mac.h | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x2_tx.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
index bff0b7268467..010c1cbfcd6c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
@@ -167,7 +167,7 @@ void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta)
+ struct ieee80211_sta *sta, int len)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rate = &info->control.rates[0];
@@ -254,7 +254,7 @@ void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
txwi_flags |= MT_TXWI_FLAGS_TS;
txwi->flags |= cpu_to_le16(txwi_flags);
- txwi->len_ctl = cpu_to_le16(skb->len);
+ txwi->len_ctl = cpu_to_le16(len);
}
static void mt76x2_remove_hdr_pad(struct sk_buff *skb, int len)
@@ -732,7 +732,7 @@ mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb)
if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x2_txwi)))
return -ENOSPC;
- mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL);
+ mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len);
mt76_wr_copy(dev, offset, &txwi, sizeof(txwi));
offset += sizeof(txwi);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
index c048cd06df6b..5af0107ba748 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
@@ -166,7 +166,7 @@ int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
void *rxi);
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta);
+ struct ieee80211_sta *sta, int len);
void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
struct ieee80211_key_conf *key);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
index 560376dd1133..241a1513ec55 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
@@ -159,7 +159,7 @@ int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
if (q == &dev->mt76.q_tx[MT_TXQ_PSD] && wcid && wcid->idx < 128)
mt76x2_mac_wcid_set_drop(dev, wcid->idx, false);
- mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta);
+ mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, skb->len);
ret = mt76x2_insert_hdr_pad(skb);
if (ret < 0)
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 09/19] mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (7 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 08/19] mt76x2: add buffer len to mt76x2_mac_write_txwi signature Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 10/19] mt76: introduce tx_queue_skb function pointer in mt76_bus_ops Lorenzo Bianconi
` (10 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move mt76_dma_tx_queue_skb routine in dma.c.
Remove static qualifier from mt76_get_txwi definition
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/dma.c | 74 ++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76.h | 7 +-
.../net/wireless/mediatek/mt76/mt76x2_tx.c | 3 +-
drivers/net/wireless/mediatek/mt76/tx.c | 84 ++-----------------
4 files changed, 85 insertions(+), 83 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 872b1c53e246..6293f21856da 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -239,6 +239,80 @@ mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q)
iowrite32(q->head, &q->regs->cpu_idx);
}
+int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta)
+{
+ struct mt76_queue_entry e;
+ struct mt76_txwi_cache *t;
+ struct mt76_queue_buf buf[32];
+ struct sk_buff *iter;
+ dma_addr_t addr;
+ int len;
+ u32 tx_info = 0;
+ int n, ret;
+
+ t = mt76_get_txwi(dev);
+ if (!t) {
+ ieee80211_free_txskb(dev->hw, skb);
+ return -ENOMEM;
+ }
+
+ dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi),
+ DMA_TO_DEVICE);
+ ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, q, wcid, sta,
+ &tx_info);
+ dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi),
+ DMA_TO_DEVICE);
+ if (ret < 0)
+ goto free;
+
+ len = skb->len - skb->data_len;
+ addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE);
+ if (dma_mapping_error(dev->dev, addr)) {
+ ret = -ENOMEM;
+ goto free;
+ }
+
+ n = 0;
+ buf[n].addr = t->dma_addr;
+ buf[n++].len = dev->drv->txwi_size;
+ buf[n].addr = addr;
+ buf[n++].len = len;
+
+ skb_walk_frags(skb, iter) {
+ if (n == ARRAY_SIZE(buf))
+ goto unmap;
+
+ addr = dma_map_single(dev->dev, iter->data, iter->len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev->dev, addr))
+ goto unmap;
+
+ buf[n].addr = addr;
+ buf[n++].len = iter->len;
+ }
+
+ if (q->queued + (n + 1) / 2 >= q->ndesc - 1)
+ goto unmap;
+
+ return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t);
+
+unmap:
+ ret = -ENOMEM;
+ for (n--; n > 0; n--)
+ dma_unmap_single(dev->dev, buf[n].addr, buf[n].len,
+ DMA_TO_DEVICE);
+
+free:
+ e.skb = skb;
+ e.txwi = t;
+ dev->drv->tx_complete_skb(dev, q, &e, true);
+ mt76_put_txwi(dev, t);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76_dma_tx_queue_skb);
+
static int
mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, bool napi)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index eb0fd602b9cb..4d6660b9e451 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -421,9 +421,9 @@ wcid_to_sta(struct mt76_wcid *wcid)
return container_of(ptr, struct ieee80211_sta, drv_priv);
}
-int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta);
+int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta);
void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
void mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
@@ -454,6 +454,7 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
/* internal */
void mt76_tx_free(struct mt76_dev *dev);
+struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev);
void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
struct napi_struct *napi);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
index 241a1513ec55..84a3448ca163 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
@@ -289,7 +289,8 @@ void mt76x2_pre_tbtt_tasklet(unsigned long arg)
struct ieee80211_vif *vif = info->control.vif;
struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
- mt76_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, NULL);
+ mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid,
+ NULL);
}
spin_unlock_bh(&q->lock);
}
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index e96956710fb2..f86501ecf31a 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -51,7 +51,7 @@ __mt76_get_txwi(struct mt76_dev *dev)
return t;
}
-static struct mt76_txwi_cache *
+struct mt76_txwi_cache *
mt76_get_txwi(struct mt76_dev *dev)
{
struct mt76_txwi_cache *t = __mt76_get_txwi(dev);
@@ -91,80 +91,6 @@ mt76_txq_get_qid(struct ieee80211_txq *txq)
return txq->ac;
}
-int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta)
-{
- struct mt76_queue_entry e;
- struct mt76_txwi_cache *t;
- struct mt76_queue_buf buf[32];
- struct sk_buff *iter;
- dma_addr_t addr;
- int len;
- u32 tx_info = 0;
- int n, ret;
-
- t = mt76_get_txwi(dev);
- if (!t) {
- ieee80211_free_txskb(dev->hw, skb);
- return -ENOMEM;
- }
-
- dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi),
- DMA_TO_DEVICE);
- ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, q, wcid, sta,
- &tx_info);
- dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi),
- DMA_TO_DEVICE);
- if (ret < 0)
- goto free;
-
- len = skb->len - skb->data_len;
- addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE);
- if (dma_mapping_error(dev->dev, addr)) {
- ret = -ENOMEM;
- goto free;
- }
-
- n = 0;
- buf[n].addr = t->dma_addr;
- buf[n++].len = dev->drv->txwi_size;
- buf[n].addr = addr;
- buf[n++].len = len;
-
- skb_walk_frags(skb, iter) {
- if (n == ARRAY_SIZE(buf))
- goto unmap;
-
- addr = dma_map_single(dev->dev, iter->data, iter->len,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev->dev, addr))
- goto unmap;
-
- buf[n].addr = addr;
- buf[n++].len = iter->len;
- }
-
- if (q->queued + (n + 1) / 2 >= q->ndesc - 1)
- goto unmap;
-
- return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t);
-
-unmap:
- ret = -ENOMEM;
- for (n--; n > 0; n--)
- dma_unmap_single(dev->dev, buf[n].addr, buf[n].len,
- DMA_TO_DEVICE);
-
-free:
- e.skb = skb;
- e.txwi = t;
- dev->drv->tx_complete_skb(dev, q, &e, true);
- mt76_put_txwi(dev, t);
- return ret;
-}
-EXPORT_SYMBOL_GPL(mt76_tx_queue_skb);
-
void
mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
struct mt76_wcid *wcid, struct sk_buff *skb)
@@ -185,7 +111,7 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
q = &dev->q_tx[qid];
spin_lock_bh(&q->lock);
- mt76_tx_queue_skb(dev, q, skb, wcid, sta);
+ mt76_dma_tx_queue_skb(dev, q, skb, wcid, sta);
dev->queue_ops->kick(dev, q);
if (q->queued > q->ndesc - 8)
@@ -241,7 +167,7 @@ mt76_queue_ps_skb(struct mt76_dev *dev, struct ieee80211_sta *sta,
info->flags |= IEEE80211_TX_STATUS_EOSP;
mt76_skb_set_moredata(skb, !last);
- mt76_tx_queue_skb(dev, hwq, skb, wcid, sta);
+ mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, sta);
}
void
@@ -321,7 +247,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (ampdu)
mt76_check_agg_ssn(mtxq, skb);
- idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
+ idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
if (idx < 0)
return idx;
@@ -356,7 +282,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (cur_ampdu)
mt76_check_agg_ssn(mtxq, skb);
- idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
+ idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
if (idx < 0)
return idx;
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 10/19] mt76: introduce tx_queue_skb function pointer in mt76_bus_ops
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (8 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 09/19] mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 11/19] mt76: introduce mt76x2-common module Lorenzo Bianconi
` (9 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Add tx_queue_skb function pointer in mt76_bus_ops since mt76x2u based
devices do not map mt76x2_txwi on dma buffers and it is not possible
to reuse mt76_dma_tx_queue_skb() routine to enqueue tx frames to
hw buffers
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/dma.c | 1 +
drivers/net/wireless/mediatek/mt76/mt76.h | 5 +++++
drivers/net/wireless/mediatek/mt76/tx.c | 9 +++++----
3 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 6293f21856da..c51da2205b93 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -510,6 +510,7 @@ static const struct mt76_queue_ops mt76_dma_ops = {
.init = mt76_dma_init,
.alloc = mt76_dma_alloc_queue,
.add_buf = mt76_dma_add_buf,
+ .tx_queue_skb = mt76_dma_tx_queue_skb,
.tx_cleanup = mt76_dma_tx_cleanup,
.rx_reset = mt76_dma_rx_reset,
.kick = mt76_dma_kick_queue,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 4d6660b9e451..ed40d6e66d44 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -30,6 +30,7 @@
#define MT_RX_BUF_SIZE 2048
struct mt76_dev;
+struct mt76_wcid;
struct mt76_bus_ops {
u32 (*rr)(struct mt76_dev *dev, u32 offset);
@@ -110,6 +111,10 @@ struct mt76_queue_ops {
struct mt76_queue_buf *buf, int nbufs, u32 info,
struct sk_buff *skb, void *txwi);
+ int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta);
+
void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
int *len, u32 *info, bool *more);
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index f86501ecf31a..af48d43bb7dc 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -111,7 +111,7 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
q = &dev->q_tx[qid];
spin_lock_bh(&q->lock);
- mt76_dma_tx_queue_skb(dev, q, skb, wcid, sta);
+ dev->queue_ops->tx_queue_skb(dev, q, skb, wcid, sta);
dev->queue_ops->kick(dev, q);
if (q->queued > q->ndesc - 8)
@@ -167,7 +167,7 @@ mt76_queue_ps_skb(struct mt76_dev *dev, struct ieee80211_sta *sta,
info->flags |= IEEE80211_TX_STATUS_EOSP;
mt76_skb_set_moredata(skb, !last);
- mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, sta);
+ dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, sta);
}
void
@@ -247,7 +247,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (ampdu)
mt76_check_agg_ssn(mtxq, skb);
- idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
+ idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
if (idx < 0)
return idx;
@@ -282,7 +282,8 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (cur_ampdu)
mt76_check_agg_ssn(mtxq, skb);
- idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
+ idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid,
+ txq->sta);
if (idx < 0)
return idx;
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 11/19] mt76: introduce mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (9 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 10/19] mt76: introduce tx_queue_skb function pointer in mt76_bus_ops Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 12/19] mt76: add mt76x2_tx_common to " Lorenzo Bianconi
` (8 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
In order to remove usb dependency from pcie code, add mt76x2-common as
a container of shared code between mt76x2 and mt76x2u. Add eeprom code
to mt76x2-common module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 5 +++++
drivers/net/wireless/mediatek/mt76/Makefile | 6 +++++-
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c | 13 +++++++++++--
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h | 1 +
4 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index fc05d79c80d0..1e5c6af6afa2 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -1,9 +1,14 @@
config MT76_CORE
tristate
+config MT76x2_COMMON
+ tristate
+ depends on MT76_CORE
+
config MT76x2E
tristate "MediaTek MT76x2E (PCIe) support"
select MT76_CORE
+ select MT76x2_COMMON
depends on MAC80211
depends on PCI
---help---
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index a0156bc01dea..57feda501a51 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -1,4 +1,5 @@
obj-$(CONFIG_MT76_CORE) += mt76.o
+obj-$(CONFIG_MT76x2_COMMON) += mt76x2-common.o
obj-$(CONFIG_MT76x2E) += mt76x2e.o
mt76-y := \
@@ -6,10 +7,13 @@ mt76-y := \
CFLAGS_trace.o := -I$(src)
+mt76x2-common-y := \
+ mt76x2_eeprom.o
+
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
mt76x2_main.o mt76x2_init.o mt76x2_debugfs.o mt76x2_tx.o \
- mt76x2_core.o mt76x2_mac.o mt76x2_eeprom.o mt76x2_mcu.o mt76x2_phy.o \
+ mt76x2_core.o mt76x2_mac.o mt76x2_mcu.o mt76x2_phy.o \
mt76x2_dfs.o mt76x2_trace.o
CFLAGS_mt76x2_trace.o := -I$(src)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
index 95d5f7d888f0..1753bcb36356 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
@@ -40,8 +40,7 @@ mt76x2_eeprom_get_macaddr(struct mt76x2_dev *dev)
return 0;
}
-static void
-mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev)
+void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev)
{
u16 val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0);
@@ -58,6 +57,7 @@ mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev)
break;
}
}
+EXPORT_SYMBOL_GPL(mt76x2_eeprom_parse_hw_cap);
static int
mt76x2_efuse_read(struct mt76x2_dev *dev, u16 addr, u8 *data)
@@ -415,6 +415,7 @@ void mt76x2_read_rx_gain(struct mt76x2_dev *dev)
dev->cal.rx.lna_gain = mt76x2_sign_extend(lna, 8);
}
+EXPORT_SYMBOL_GPL(mt76x2_read_rx_gain);
static s8
mt76x2_rate_power_val(u8 val)
@@ -482,6 +483,7 @@ void mt76x2_get_rate_power(struct mt76x2_dev *dev, struct mt76_rate_power *t,
val >>= 8;
t->vht[8] = t->vht[9] = mt76x2_rate_power_val(val >> 8);
}
+EXPORT_SYMBOL_GPL(mt76x2_get_rate_power);
int mt76x2_get_max_rate_power(struct mt76_rate_power *r)
{
@@ -493,6 +495,7 @@ int mt76x2_get_max_rate_power(struct mt76_rate_power *r)
return ret;
}
+EXPORT_SYMBOL_GPL(mt76x2_get_max_rate_power);
static void
mt76x2_get_power_info_2g(struct mt76x2_dev *dev, struct mt76x2_tx_power_info *t,
@@ -600,6 +603,7 @@ void mt76x2_get_power_info(struct mt76x2_dev *dev,
t->delta_bw40 = mt76x2_rate_power_val(bw40);
t->delta_bw80 = mt76x2_rate_power_val(bw80);
}
+EXPORT_SYMBOL_GPL(mt76x2_get_power_info);
int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t)
{
@@ -632,6 +636,7 @@ int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t)
return 0;
}
+EXPORT_SYMBOL_GPL(mt76x2_get_temp_comp);
bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band)
{
@@ -642,6 +647,7 @@ bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band)
else
return !(conf0 & MT_EE_NIC_CONF_0_PA_INT_2G);
}
+EXPORT_SYMBOL_GPL(mt76x2_ext_pa_enabled);
int mt76x2_eeprom_init(struct mt76x2_dev *dev)
{
@@ -658,3 +664,6 @@ int mt76x2_eeprom_init(struct mt76x2_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(mt76x2_eeprom_init);
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
index aa0b0c040375..0f3e4d2f4fee 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
@@ -155,6 +155,7 @@ void mt76x2_get_power_info(struct mt76x2_dev *dev,
int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t);
bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band);
void mt76x2_read_rx_gain(struct mt76x2_dev *dev);
+void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev);
static inline bool
mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev)
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 12/19] mt76: add mt76x2_tx_common to mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (10 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 11/19] mt76: introduce mt76x2-common module Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 13/19] mt76: add mt76x2_mac_common " Lorenzo Bianconi
` (7 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move tx related code shared between mt76x2 and mt76x2u in mt76x2-common
module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 2 +
.../net/wireless/mediatek/mt76/mt76x2_tx.c | 123 ---------------
.../wireless/mediatek/mt76/mt76x2_tx_common.c | 149 ++++++++++++++++++
4 files changed, 152 insertions(+), 124 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index 57feda501a51..e1226aae82fa 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -8,7 +8,7 @@ mt76-y := \
CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
- mt76x2_eeprom.o
+ mt76x2_eeprom.o mt76x2_tx_common.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 896549c2fcbb..af9259cd6d42 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -280,4 +280,6 @@ s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj);
void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
+int mt76x2_insert_hdr_pad(struct sk_buff *skb);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
index 84a3448ca163..4c907882e8b0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
@@ -23,129 +23,6 @@ struct beacon_bc_data {
struct sk_buff *tail[8];
};
-void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
- struct sk_buff *skb)
-{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct mt76x2_dev *dev = hw->priv;
- struct ieee80211_vif *vif = info->control.vif;
- struct mt76_wcid *wcid = &dev->global_wcid;
-
- if (control->sta) {
- struct mt76x2_sta *msta;
-
- msta = (struct mt76x2_sta *) control->sta->drv_priv;
- wcid = &msta->wcid;
- /* sw encrypted frames */
- if (!info->control.hw_key && wcid->hw_key_idx != -1)
- control->sta = NULL;
- }
-
- if (vif && !control->sta) {
- struct mt76x2_vif *mvif;
-
- mvif = (struct mt76x2_vif *) vif->drv_priv;
- wcid = &mvif->group_wcid;
- }
-
- mt76_tx(&dev->mt76, control->sta, wcid, skb);
-}
-
-void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb)
-{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
- if (info->flags & IEEE80211_TX_CTL_AMPDU) {
- ieee80211_free_txskb(mt76_hw(dev), skb);
- } else {
- ieee80211_tx_info_clear_status(info);
- info->status.rates[0].idx = -1;
- info->flags |= IEEE80211_TX_STAT_ACK;
- ieee80211_tx_status(mt76_hw(dev), skb);
- }
-}
-
-s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
- const struct ieee80211_tx_rate *rate)
-{
- s8 max_txpwr;
-
- if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
- u8 mcs = ieee80211_rate_get_vht_mcs(rate);
-
- if (mcs == 8 || mcs == 9) {
- max_txpwr = dev->rate_power.vht[8];
- } else {
- u8 nss, idx;
-
- nss = ieee80211_rate_get_vht_nss(rate);
- idx = ((nss - 1) << 3) + mcs;
- max_txpwr = dev->rate_power.ht[idx & 0xf];
- }
- } else if (rate->flags & IEEE80211_TX_RC_MCS) {
- max_txpwr = dev->rate_power.ht[rate->idx & 0xf];
- } else {
- enum nl80211_band band = dev->mt76.chandef.chan->band;
-
- if (band == NL80211_BAND_2GHZ) {
- const struct ieee80211_rate *r;
- struct wiphy *wiphy = mt76_hw(dev)->wiphy;
- struct mt76_rate_power *rp = &dev->rate_power;
-
- r = &wiphy->bands[band]->bitrates[rate->idx];
- if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE)
- max_txpwr = rp->cck[r->hw_value & 0x3];
- else
- max_txpwr = rp->ofdm[r->hw_value & 0x7];
- } else {
- max_txpwr = dev->rate_power.ofdm[rate->idx & 0x7];
- }
- }
-
- return max_txpwr;
-}
-
-s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj)
-{
- txpwr = min_t(s8, txpwr, dev->txpower_conf);
- txpwr -= (dev->target_power + dev->target_power_delta[0]);
- txpwr = min_t(s8, txpwr, max_txpwr_adj);
-
- if (!dev->enable_tpc)
- return 0;
- else if (txpwr >= 0)
- return min_t(s8, txpwr, 7);
- else
- return (txpwr < -16) ? 8 : (txpwr + 32) / 2;
-}
-
-void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr)
-{
- s8 txpwr_adj;
-
- txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr,
- dev->rate_power.ofdm[4]);
- mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
- MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);
- mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
- MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj);
-}
-
-static int mt76x2_insert_hdr_pad(struct sk_buff *skb)
-{
- int len = ieee80211_get_hdrlen_from_skb(skb);
-
- if (len % 4 == 0)
- return 0;
-
- skb_push(skb, 2);
- memmove(skb->data, skb->data + 2, len);
-
- skb->data[len] = 0;
- skb->data[len + 1] = 0;
- return 2;
-}
-
int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
struct sk_buff *skb, struct mt76_queue *q,
struct mt76_wcid *wcid, struct ieee80211_sta *sta,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c
new file mode 100644
index 000000000000..36afb166fa3f
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+#include "mt76x2_dma.h"
+
+void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct mt76x2_dev *dev = hw->priv;
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_wcid *wcid = &dev->global_wcid;
+
+ if (control->sta) {
+ struct mt76x2_sta *msta;
+
+ msta = (struct mt76x2_sta *)control->sta->drv_priv;
+ wcid = &msta->wcid;
+ /* sw encrypted frames */
+ if (!info->control.hw_key && wcid->hw_key_idx != -1)
+ control->sta = NULL;
+ }
+
+ if (vif && !control->sta) {
+ struct mt76x2_vif *mvif;
+
+ mvif = (struct mt76x2_vif *)vif->drv_priv;
+ wcid = &mvif->group_wcid;
+ }
+
+ mt76_tx(&dev->mt76, control->sta, wcid, skb);
+}
+EXPORT_SYMBOL_GPL(mt76x2_tx);
+
+int mt76x2_insert_hdr_pad(struct sk_buff *skb)
+{
+ int len = ieee80211_get_hdrlen_from_skb(skb);
+
+ if (len % 4 == 0)
+ return 0;
+
+ skb_push(skb, 2);
+ memmove(skb->data, skb->data + 2, len);
+
+ skb->data[len] = 0;
+ skb->data[len + 1] = 0;
+ return 2;
+}
+EXPORT_SYMBOL_GPL(mt76x2_insert_hdr_pad);
+
+s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
+ const struct ieee80211_tx_rate *rate)
+{
+ s8 max_txpwr;
+
+ if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
+ u8 mcs = ieee80211_rate_get_vht_mcs(rate);
+
+ if (mcs == 8 || mcs == 9) {
+ max_txpwr = dev->rate_power.vht[8];
+ } else {
+ u8 nss, idx;
+
+ nss = ieee80211_rate_get_vht_nss(rate);
+ idx = ((nss - 1) << 3) + mcs;
+ max_txpwr = dev->rate_power.ht[idx & 0xf];
+ }
+ } else if (rate->flags & IEEE80211_TX_RC_MCS) {
+ max_txpwr = dev->rate_power.ht[rate->idx & 0xf];
+ } else {
+ enum nl80211_band band = dev->mt76.chandef.chan->band;
+
+ if (band == NL80211_BAND_2GHZ) {
+ const struct ieee80211_rate *r;
+ struct wiphy *wiphy = mt76_hw(dev)->wiphy;
+ struct mt76_rate_power *rp = &dev->rate_power;
+
+ r = &wiphy->bands[band]->bitrates[rate->idx];
+ if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ max_txpwr = rp->cck[r->hw_value & 0x3];
+ else
+ max_txpwr = rp->ofdm[r->hw_value & 0x7];
+ } else {
+ max_txpwr = dev->rate_power.ofdm[rate->idx & 0x7];
+ }
+ }
+
+ return max_txpwr;
+}
+EXPORT_SYMBOL_GPL(mt76x2_tx_get_max_txpwr_adj);
+
+s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj)
+{
+ txpwr = min_t(s8, txpwr, dev->txpower_conf);
+ txpwr -= (dev->target_power + dev->target_power_delta[0]);
+ txpwr = min_t(s8, txpwr, max_txpwr_adj);
+
+ if (!dev->enable_tpc)
+ return 0;
+ else if (txpwr >= 0)
+ return min_t(s8, txpwr, 7);
+ else
+ return (txpwr < -16) ? 8 : (txpwr + 32) / 2;
+}
+EXPORT_SYMBOL_GPL(mt76x2_tx_get_txpwr_adj);
+
+void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr)
+{
+ s8 txpwr_adj;
+
+ txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr,
+ dev->rate_power.ofdm[4]);
+ mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
+ MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);
+ mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
+ MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj);
+}
+EXPORT_SYMBOL_GPL(mt76x2_tx_set_txpwr_auto);
+
+void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ ieee80211_free_txskb(mt76_hw(dev), skb);
+ } else {
+ ieee80211_tx_info_clear_status(info);
+ info->status.rates[0].idx = -1;
+ info->flags |= IEEE80211_TX_STAT_ACK;
+ ieee80211_tx_status(mt76_hw(dev), skb);
+ }
+}
+EXPORT_SYMBOL_GPL(mt76x2_tx_complete);
+
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 13/19] mt76: add mt76x2_mac_common to mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (11 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 12/19] mt76: add mt76x2_tx_common to " Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 14/19] mt76: add mt76x2_init_common " Lorenzo Bianconi
` (6 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move mac related code shared between mt76x2 and mt76x2u in
mt76x2-common module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 7 +-
.../net/wireless/mediatek/mt76/mt76x2_init.c | 35 -
.../net/wireless/mediatek/mt76/mt76x2_mac.c | 627 ----------------
.../mediatek/mt76/mt76x2_mac_common.c | 699 ++++++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2_phy.c | 10 -
6 files changed, 706 insertions(+), 674 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index e1226aae82fa..bedb671200ea 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -8,7 +8,7 @@ mt76-y := \
CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
- mt76x2_eeprom.o mt76x2_tx_common.o
+ mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index af9259cd6d42..6c5dd106057d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -235,7 +235,7 @@ void mt76x2_phy_set_antenna(struct mt76x2_dev *dev);
int mt76x2_phy_start(struct mt76x2_dev *dev);
int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
struct cfg80211_chan_def *chandef);
-int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain);
+int mt76x2_mac_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain);
void mt76x2_phy_calibrate(struct work_struct *work);
void mt76x2_phy_set_txpower(struct mt76x2_dev *dev);
@@ -282,4 +282,9 @@ void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
int mt76x2_insert_hdr_pad(struct sk_buff *skb);
+bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat);
+void mt76x2_send_tx_status(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat, u8 *update);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index d3eedd9c59b7..309e55cf347c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -338,41 +338,6 @@ int mt76x2_mac_start(struct mt76x2_dev *dev)
return 0;
}
-void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force)
-{
- bool stopped = false;
- u32 rts_cfg;
- int i;
-
- mt76_wr(dev, MT_MAC_SYS_CTRL, 0);
-
- rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG);
- mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT);
-
- /* Wait for MAC to become idle */
- for (i = 0; i < 300; i++) {
- if ((mt76_rr(dev, MT_MAC_STATUS) &
- (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) ||
- mt76_rr(dev, MT_BBP(IBI, 12))) {
- udelay(1);
- continue;
- }
-
- stopped = true;
- break;
- }
-
- if (force && !stopped) {
- mt76_set(dev, MT_BBP(CORE, 4), BIT(1));
- mt76_clear(dev, MT_BBP(CORE, 4), BIT(1));
-
- mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
- mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
- }
-
- mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg);
-}
-
void mt76x2_mac_resume(struct mt76x2_dev *dev)
{
mt76_wr(dev, MT_MAC_SYS_CTRL,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
index 010c1cbfcd6c..23cf437d14f9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
@@ -28,535 +28,6 @@ void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr)
get_unaligned_le16(addr + 4));
}
-static int
-mt76x2_mac_process_rate(struct mt76_rx_status *status, u16 rate)
-{
- u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
-
- switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
- case MT_PHY_TYPE_OFDM:
- if (idx >= 8)
- idx = 0;
-
- if (status->band == NL80211_BAND_2GHZ)
- idx += 4;
-
- status->rate_idx = idx;
- return 0;
- case MT_PHY_TYPE_CCK:
- if (idx >= 8) {
- idx -= 8;
- status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
- }
-
- if (idx >= 4)
- idx = 0;
-
- status->rate_idx = idx;
- return 0;
- case MT_PHY_TYPE_HT_GF:
- status->enc_flags |= RX_ENC_FLAG_HT_GF;
- /* fall through */
- case MT_PHY_TYPE_HT:
- status->encoding = RX_ENC_HT;
- status->rate_idx = idx;
- break;
- case MT_PHY_TYPE_VHT:
- status->encoding = RX_ENC_VHT;
- status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx);
- status->nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1;
- break;
- default:
- return -EINVAL;
- }
-
- if (rate & MT_RXWI_RATE_LDPC)
- status->enc_flags |= RX_ENC_FLAG_LDPC;
-
- if (rate & MT_RXWI_RATE_SGI)
- status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
-
- if (rate & MT_RXWI_RATE_STBC)
- status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT;
-
- switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
- case MT_PHY_BW_20:
- break;
- case MT_PHY_BW_40:
- status->bw = RATE_INFO_BW_40;
- break;
- case MT_PHY_BW_80:
- status->bw = RATE_INFO_BW_80;
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-static __le16
-mt76x2_mac_tx_rate_val(struct mt76x2_dev *dev,
- const struct ieee80211_tx_rate *rate, u8 *nss_val)
-{
- u16 rateval;
- u8 phy, rate_idx;
- u8 nss = 1;
- u8 bw = 0;
-
- if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
- rate_idx = rate->idx;
- nss = 1 + (rate->idx >> 4);
- phy = MT_PHY_TYPE_VHT;
- if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
- bw = 2;
- else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- bw = 1;
- } else if (rate->flags & IEEE80211_TX_RC_MCS) {
- rate_idx = rate->idx;
- nss = 1 + (rate->idx >> 3);
- phy = MT_PHY_TYPE_HT;
- if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD)
- phy = MT_PHY_TYPE_HT_GF;
- if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- bw = 1;
- } else {
- const struct ieee80211_rate *r;
- int band = dev->mt76.chandef.chan->band;
- u16 val;
-
- r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx];
- if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
- val = r->hw_value_short;
- else
- val = r->hw_value;
-
- phy = val >> 8;
- rate_idx = val & 0xff;
- bw = 0;
- }
-
- rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx);
- rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy);
- rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw);
- if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
- rateval |= MT_RXWI_RATE_SGI;
-
- *nss_val = nss;
- return cpu_to_le16(rateval);
-}
-
-void mt76x2_mac_wcid_set_drop(struct mt76x2_dev *dev, u8 idx, bool drop)
-{
- u32 val = mt76_rr(dev, MT_WCID_DROP(idx));
- u32 bit = MT_WCID_DROP_MASK(idx);
-
- /* prevent unnecessary writes */
- if ((val & bit) != (bit * drop))
- mt76_wr(dev, MT_WCID_DROP(idx), (val & ~bit) | (bit * drop));
-}
-
-void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
- const struct ieee80211_tx_rate *rate)
-{
- spin_lock_bh(&dev->mt76.lock);
- wcid->tx_rate = mt76x2_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss);
- wcid->tx_rate_set = true;
- spin_unlock_bh(&dev->mt76.lock);
-}
-
-void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta, int len)
-{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_rate *rate = &info->control.rates[0];
- struct ieee80211_key_conf *key = info->control.hw_key;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2));
- u16 txwi_flags = 0;
- u8 nss;
- s8 txpwr_adj, max_txpwr_adj;
- u8 ccmp_pn[8];
-
- memset(txwi, 0, sizeof(*txwi));
-
- if (wcid)
- txwi->wcid = wcid->idx;
- else
- txwi->wcid = 0xff;
-
- txwi->pktid = 1;
-
- if (wcid && wcid->sw_iv && key) {
- u64 pn = atomic64_inc_return(&key->tx_pn);
- ccmp_pn[0] = pn;
- ccmp_pn[1] = pn >> 8;
- ccmp_pn[2] = 0;
- ccmp_pn[3] = 0x20 | (key->keyidx << 6);
- ccmp_pn[4] = pn >> 16;
- ccmp_pn[5] = pn >> 24;
- ccmp_pn[6] = pn >> 32;
- ccmp_pn[7] = pn >> 40;
- txwi->iv = *((__le32 *)&ccmp_pn[0]);
- txwi->eiv = *((__le32 *)&ccmp_pn[1]);
- }
-
- spin_lock_bh(&dev->mt76.lock);
- if (wcid && (rate->idx < 0 || !rate->count)) {
- txwi->rate = wcid->tx_rate;
- max_txpwr_adj = wcid->max_txpwr_adj;
- nss = wcid->tx_rate_nss;
- } else {
- txwi->rate = mt76x2_mac_tx_rate_val(dev, rate, &nss);
- max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, rate);
- }
- spin_unlock_bh(&dev->mt76.lock);
-
- txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->txpower_conf,
- max_txpwr_adj);
- txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj);
-
- if (mt76xx_rev(dev) >= MT76XX_REV_E4)
- txwi->txstream = 0x13;
- else if (mt76xx_rev(dev) >= MT76XX_REV_E3 &&
- !(txwi->rate & cpu_to_le16(rate_ht_mask)))
- txwi->txstream = 0x93;
-
- if (info->flags & IEEE80211_TX_CTL_LDPC)
- txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC);
- if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1)
- txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC);
- if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
- txwi_flags |= MT_TXWI_FLAGS_MMPS;
- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
- txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ;
- if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
- txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ;
- if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
- txwi->pktid |= MT_TXWI_PKTID_PROBE;
- if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) {
- u8 ba_size = IEEE80211_MIN_AMPDU_BUF;
-
- ba_size <<= sta->ht_cap.ampdu_factor;
- ba_size = min_t(int, 63, ba_size - 1);
- if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
- ba_size = 0;
- txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size);
-
- txwi_flags |= MT_TXWI_FLAGS_AMPDU |
- FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY,
- sta->ht_cap.ampdu_density);
- }
-
- if (ieee80211_is_probe_resp(hdr->frame_control) ||
- ieee80211_is_beacon(hdr->frame_control))
- txwi_flags |= MT_TXWI_FLAGS_TS;
-
- txwi->flags |= cpu_to_le16(txwi_flags);
- txwi->len_ctl = cpu_to_le16(len);
-}
-
-static void mt76x2_remove_hdr_pad(struct sk_buff *skb, int len)
-{
- int hdrlen;
-
- if (!len)
- return;
-
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- memmove(skb->data + len, skb->data, hdrlen);
- skb_pull(skb, len);
-}
-
-static struct mt76x2_sta *
-mt76x2_rx_get_sta(struct mt76x2_dev *dev, u8 idx)
-{
- struct mt76_wcid *wcid;
-
- if (idx >= ARRAY_SIZE(dev->wcid))
- return NULL;
-
- wcid = rcu_dereference(dev->wcid[idx]);
- if (!wcid)
- return NULL;
-
- return container_of(wcid, struct mt76x2_sta, wcid);
-}
-
-static struct mt76_wcid *
-mt76x2_rx_get_sta_wcid(struct mt76x2_dev *dev, struct mt76x2_sta *sta, bool unicast)
-{
- if (!sta)
- return NULL;
-
- if (unicast)
- return &sta->wcid;
- else
- return &sta->vif->group_wcid;
-}
-
-int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
- void *rxi)
-{
- struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb;
- struct mt76x2_rxwi *rxwi = rxi;
- struct mt76x2_sta *sta;
- u32 rxinfo = le32_to_cpu(rxwi->rxinfo);
- u32 ctl = le32_to_cpu(rxwi->ctl);
- u16 rate = le16_to_cpu(rxwi->rate);
- u16 tid_sn = le16_to_cpu(rxwi->tid_sn);
- bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST);
- int pad_len = 0;
- u8 pn_len;
- u8 wcid;
- int len;
-
- if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state))
- return -EINVAL;
-
- if (rxinfo & MT_RXINFO_L2PAD)
- pad_len += 2;
-
- if (rxinfo & MT_RXINFO_DECRYPT) {
- status->flag |= RX_FLAG_DECRYPTED;
- status->flag |= RX_FLAG_MMIC_STRIPPED;
- status->flag |= RX_FLAG_MIC_STRIPPED;
- status->flag |= RX_FLAG_IV_STRIPPED;
- }
-
- wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl);
- sta = mt76x2_rx_get_sta(dev, wcid);
- status->wcid = mt76x2_rx_get_sta_wcid(dev, sta, unicast);
-
- len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl);
- pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo);
- if (pn_len) {
- int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len;
- u8 *data = skb->data + offset;
-
- status->iv[0] = data[7];
- status->iv[1] = data[6];
- status->iv[2] = data[5];
- status->iv[3] = data[4];
- status->iv[4] = data[1];
- status->iv[5] = data[0];
-
- /*
- * Driver CCMP validation can't deal with fragments.
- * Let mac80211 take care of it.
- */
- if (rxinfo & MT_RXINFO_FRAG) {
- status->flag &= ~RX_FLAG_IV_STRIPPED;
- } else {
- pad_len += pn_len << 2;
- len -= pn_len << 2;
- }
- }
-
- mt76x2_remove_hdr_pad(skb, pad_len);
-
- if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL))
- status->aggr = true;
-
- if (WARN_ON_ONCE(len > skb->len))
- return -EINVAL;
-
- pskb_trim(skb, len);
- status->chains = BIT(0) | BIT(1);
- status->chain_signal[0] = mt76x2_phy_get_rssi(dev, rxwi->rssi[0], 0);
- status->chain_signal[1] = mt76x2_phy_get_rssi(dev, rxwi->rssi[1], 1);
- status->signal = max(status->chain_signal[0], status->chain_signal[1]);
- status->freq = dev->mt76.chandef.chan->center_freq;
- status->band = dev->mt76.chandef.chan->band;
-
- status->tid = FIELD_GET(MT_RXWI_TID, tid_sn);
- status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn);
-
- if (sta) {
- ewma_signal_add(&sta->rssi, status->signal);
- sta->inactive_count = 0;
- }
-
- return mt76x2_mac_process_rate(status, rate);
-}
-
-static int
-mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
- enum nl80211_band band)
-{
- u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
-
- txrate->idx = 0;
- txrate->flags = 0;
- txrate->count = 1;
-
- switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
- case MT_PHY_TYPE_OFDM:
- if (band == NL80211_BAND_2GHZ)
- idx += 4;
-
- txrate->idx = idx;
- return 0;
- case MT_PHY_TYPE_CCK:
- if (idx >= 8)
- idx -= 8;
-
- txrate->idx = idx;
- return 0;
- case MT_PHY_TYPE_HT_GF:
- txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
- /* fall through */
- case MT_PHY_TYPE_HT:
- txrate->flags |= IEEE80211_TX_RC_MCS;
- txrate->idx = idx;
- break;
- case MT_PHY_TYPE_VHT:
- txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
- txrate->idx = idx;
- break;
- default:
- return -EINVAL;
- }
-
- switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
- case MT_PHY_BW_20:
- break;
- case MT_PHY_BW_40:
- txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
- break;
- case MT_PHY_BW_80:
- txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
- break;
- default:
- return -EINVAL;
- }
-
- if (rate & MT_RXWI_RATE_SGI)
- txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
-
- return 0;
-}
-
-static void
-mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev,
- struct ieee80211_tx_info *info,
- struct mt76x2_tx_status *st, int n_frames)
-{
- struct ieee80211_tx_rate *rate = info->status.rates;
- int cur_idx, last_rate;
- int i;
-
- if (!n_frames)
- return;
-
- last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
- mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate,
- dev->mt76.chandef.chan->band);
- if (last_rate < IEEE80211_TX_MAX_RATES - 1)
- rate[last_rate + 1].idx = -1;
-
- cur_idx = rate[last_rate].idx + last_rate;
- for (i = 0; i <= last_rate; i++) {
- rate[i].flags = rate[last_rate].flags;
- rate[i].idx = max_t(int, 0, cur_idx - i);
- rate[i].count = 1;
- }
- rate[last_rate].count = st->retry + 1 - last_rate;
-
- info->status.ampdu_len = n_frames;
- info->status.ampdu_ack_len = st->success ? n_frames : 0;
-
- if (st->pktid & MT_TXWI_PKTID_PROBE)
- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
-
- if (st->aggr)
- info->flags |= IEEE80211_TX_CTL_AMPDU |
- IEEE80211_TX_STAT_AMPDU;
-
- if (!st->ack_req)
- info->flags |= IEEE80211_TX_CTL_NO_ACK;
- else if (st->success)
- info->flags |= IEEE80211_TX_STAT_ACK;
-}
-
-static void
-mt76x2_send_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat,
- u8 *update)
-{
- struct ieee80211_tx_info info = {};
- struct ieee80211_sta *sta = NULL;
- struct mt76_wcid *wcid = NULL;
- struct mt76x2_sta *msta = NULL;
-
- rcu_read_lock();
- if (stat->wcid < ARRAY_SIZE(dev->wcid))
- wcid = rcu_dereference(dev->wcid[stat->wcid]);
-
- if (wcid) {
- void *priv;
-
- priv = msta = container_of(wcid, struct mt76x2_sta, wcid);
- sta = container_of(priv, struct ieee80211_sta,
- drv_priv);
- }
-
- if (msta && stat->aggr) {
- u32 stat_val, stat_cache;
-
- stat_val = stat->rate;
- stat_val |= ((u32) stat->retry) << 16;
- stat_cache = msta->status.rate;
- stat_cache |= ((u32) msta->status.retry) << 16;
-
- if (*update == 0 && stat_val == stat_cache &&
- stat->wcid == msta->status.wcid && msta->n_frames < 32) {
- msta->n_frames++;
- goto out;
- }
-
- mt76x2_mac_fill_tx_status(dev, &info, &msta->status,
- msta->n_frames);
-
- msta->status = *stat;
- msta->n_frames = 1;
- *update = 0;
- } else {
- mt76x2_mac_fill_tx_status(dev, &info, stat, 1);
- *update = 1;
- }
-
- ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info);
-
-out:
- rcu_read_unlock();
-}
-
-static bool
-mt76x2_mac_load_tx_status(struct mt76x2_dev *dev,
- struct mt76x2_tx_status *stat)
-{
- u32 stat1, stat2;
-
- stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
- stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
-
- stat->valid = !!(stat1 & MT_TX_STAT_FIFO_VALID);
- if (!stat->valid)
- return false;
-
- stat->success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS);
- stat->aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR);
- stat->ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ);
- stat->wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1);
- stat->rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1);
-
- stat->retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2);
- stat->pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2);
-
- return true;
-}
-
void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
{
struct mt76x2_tx_status stat = {};
@@ -625,104 +96,6 @@ void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
dev_kfree_skb_any(e->skb);
}
-static enum mt76x2_cipher_type
-mt76x2_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
-{
- memset(key_data, 0, 32);
- if (!key)
- return MT_CIPHER_NONE;
-
- if (key->keylen > 32)
- return MT_CIPHER_NONE;
-
- memcpy(key_data, key->key, key->keylen);
-
- switch (key->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- return MT_CIPHER_WEP40;
- case WLAN_CIPHER_SUITE_WEP104:
- return MT_CIPHER_WEP104;
- case WLAN_CIPHER_SUITE_TKIP:
- return MT_CIPHER_TKIP;
- case WLAN_CIPHER_SUITE_CCMP:
- return MT_CIPHER_AES_CCMP;
- default:
- return MT_CIPHER_NONE;
- }
-}
-
-void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac)
-{
- struct mt76_wcid_addr addr = {};
- u32 attr;
-
- attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) |
- FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8));
-
- mt76_wr(dev, MT_WCID_ATTR(idx), attr);
-
- mt76_wr(dev, MT_WCID_TX_RATE(idx), 0);
- mt76_wr(dev, MT_WCID_TX_RATE(idx) + 4, 0);
-
- if (idx >= 128)
- return;
-
- if (mac)
- memcpy(addr.macaddr, mac, ETH_ALEN);
-
- mt76_wr_copy(dev, MT_WCID_ADDR(idx), &addr, sizeof(addr));
-}
-
-int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
- struct ieee80211_key_conf *key)
-{
- enum mt76x2_cipher_type cipher;
- u8 key_data[32];
- u8 iv_data[8];
-
- cipher = mt76x2_mac_get_key_info(key, key_data);
- if (cipher == MT_CIPHER_NONE && key)
- return -EOPNOTSUPP;
-
- mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher);
- mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data));
-
- memset(iv_data, 0, sizeof(iv_data));
- if (key) {
- mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE,
- !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
- iv_data[3] = key->keyidx << 6;
- if (cipher >= MT_CIPHER_TKIP)
- iv_data[3] |= 0x20;
- }
-
- mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data));
-
- return 0;
-}
-
-int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx,
- struct ieee80211_key_conf *key)
-{
- enum mt76x2_cipher_type cipher;
- u8 key_data[32];
- u32 val;
-
- cipher = mt76x2_mac_get_key_info(key, key_data);
- if (cipher == MT_CIPHER_NONE && key)
- return -EOPNOTSUPP;
-
- val = mt76_rr(dev, MT_SKEY_MODE(vif_idx));
- val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx));
- val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx);
- mt76_wr(dev, MT_SKEY_MODE(vif_idx), val);
-
- mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), key_data,
- sizeof(key_data));
-
- return 0;
-}
-
static int
mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
new file mode 100644
index 000000000000..6542644bc325
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
@@ -0,0 +1,699 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+
+void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force)
+{
+ bool stopped = false;
+ u32 rts_cfg;
+ int i;
+
+ mt76_wr(dev, MT_MAC_SYS_CTRL, 0);
+
+ rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG);
+ mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT);
+
+ /* Wait for MAC to become idle */
+ for (i = 0; i < 300; i++) {
+ if ((mt76_rr(dev, MT_MAC_STATUS) &
+ (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) ||
+ mt76_rr(dev, MT_BBP(IBI, 12))) {
+ udelay(1);
+ continue;
+ }
+
+ stopped = true;
+ break;
+ }
+
+ if (force && !stopped) {
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(1));
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(1));
+
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
+ }
+
+ mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_stop);
+
+bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat)
+{
+ u32 stat1, stat2;
+
+ stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
+ stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
+
+ stat->valid = !!(stat1 & MT_TX_STAT_FIFO_VALID);
+ if (!stat->valid)
+ return false;
+
+ stat->success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS);
+ stat->aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR);
+ stat->ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ);
+ stat->wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1);
+ stat->rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1);
+
+ stat->retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2);
+ stat->pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2);
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_load_tx_status);
+
+static int
+mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
+ enum nl80211_band band)
+{
+ u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
+
+ txrate->idx = 0;
+ txrate->flags = 0;
+ txrate->count = 1;
+
+ switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+ case MT_PHY_TYPE_OFDM:
+ if (band == NL80211_BAND_2GHZ)
+ idx += 4;
+
+ txrate->idx = idx;
+ return 0;
+ case MT_PHY_TYPE_CCK:
+ if (idx >= 8)
+ idx -= 8;
+
+ txrate->idx = idx;
+ return 0;
+ case MT_PHY_TYPE_HT_GF:
+ txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
+ /* fall through */
+ case MT_PHY_TYPE_HT:
+ txrate->flags |= IEEE80211_TX_RC_MCS;
+ txrate->idx = idx;
+ break;
+ case MT_PHY_TYPE_VHT:
+ txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
+ txrate->idx = idx;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
+ case MT_PHY_BW_20:
+ break;
+ case MT_PHY_BW_40:
+ txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+ break;
+ case MT_PHY_BW_80:
+ txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate & MT_RXWI_RATE_SGI)
+ txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
+
+ return 0;
+}
+
+static void
+mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev,
+ struct ieee80211_tx_info *info,
+ struct mt76x2_tx_status *st, int n_frames)
+{
+ struct ieee80211_tx_rate *rate = info->status.rates;
+ int cur_idx, last_rate;
+ int i;
+
+ if (!n_frames)
+ return;
+
+ last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
+ mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate,
+ dev->mt76.chandef.chan->band);
+ if (last_rate < IEEE80211_TX_MAX_RATES - 1)
+ rate[last_rate + 1].idx = -1;
+
+ cur_idx = rate[last_rate].idx + last_rate;
+ for (i = 0; i <= last_rate; i++) {
+ rate[i].flags = rate[last_rate].flags;
+ rate[i].idx = max_t(int, 0, cur_idx - i);
+ rate[i].count = 1;
+ }
+ rate[last_rate].count = st->retry + 1 - last_rate;
+
+ info->status.ampdu_len = n_frames;
+ info->status.ampdu_ack_len = st->success ? n_frames : 0;
+
+ if (st->pktid & MT_TXWI_PKTID_PROBE)
+ info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+
+ if (st->aggr)
+ info->flags |= IEEE80211_TX_CTL_AMPDU |
+ IEEE80211_TX_STAT_AMPDU;
+
+ if (!st->ack_req)
+ info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ else if (st->success)
+ info->flags |= IEEE80211_TX_STAT_ACK;
+}
+
+void mt76x2_send_tx_status(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat, u8 *update)
+{
+ struct ieee80211_tx_info info = {};
+ struct ieee80211_sta *sta = NULL;
+ struct mt76_wcid *wcid = NULL;
+ struct mt76x2_sta *msta = NULL;
+
+ rcu_read_lock();
+ if (stat->wcid < ARRAY_SIZE(dev->wcid))
+ wcid = rcu_dereference(dev->wcid[stat->wcid]);
+
+ if (wcid) {
+ void *priv;
+
+ priv = msta = container_of(wcid, struct mt76x2_sta, wcid);
+ sta = container_of(priv, struct ieee80211_sta,
+ drv_priv);
+ }
+
+ if (msta && stat->aggr) {
+ u32 stat_val, stat_cache;
+
+ stat_val = stat->rate;
+ stat_val |= ((u32) stat->retry) << 16;
+ stat_cache = msta->status.rate;
+ stat_cache |= ((u32) msta->status.retry) << 16;
+
+ if (*update == 0 && stat_val == stat_cache &&
+ stat->wcid == msta->status.wcid && msta->n_frames < 32) {
+ msta->n_frames++;
+ goto out;
+ }
+
+ mt76x2_mac_fill_tx_status(dev, &info, &msta->status,
+ msta->n_frames);
+
+ msta->status = *stat;
+ msta->n_frames = 1;
+ *update = 0;
+ } else {
+ mt76x2_mac_fill_tx_status(dev, &info, stat, 1);
+ *update = 1;
+ }
+
+ ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info);
+
+out:
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(mt76x2_send_tx_status);
+
+static enum mt76x2_cipher_type
+mt76x2_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
+{
+ memset(key_data, 0, 32);
+ if (!key)
+ return MT_CIPHER_NONE;
+
+ if (key->keylen > 32)
+ return MT_CIPHER_NONE;
+
+ memcpy(key_data, key->key, key->keylen);
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ return MT_CIPHER_WEP40;
+ case WLAN_CIPHER_SUITE_WEP104:
+ return MT_CIPHER_WEP104;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return MT_CIPHER_TKIP;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return MT_CIPHER_AES_CCMP;
+ default:
+ return MT_CIPHER_NONE;
+ }
+}
+
+int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx,
+ struct ieee80211_key_conf *key)
+{
+ enum mt76x2_cipher_type cipher;
+ u8 key_data[32];
+ u32 val;
+
+ cipher = mt76x2_mac_get_key_info(key, key_data);
+ if (cipher == MT_CIPHER_NONE && key)
+ return -EOPNOTSUPP;
+
+ val = mt76_rr(dev, MT_SKEY_MODE(vif_idx));
+ val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx));
+ val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx);
+ mt76_wr(dev, MT_SKEY_MODE(vif_idx), val);
+
+ mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), key_data,
+ sizeof(key_data));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_shared_key_setup);
+
+int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
+ struct ieee80211_key_conf *key)
+{
+ enum mt76x2_cipher_type cipher;
+ u8 key_data[32];
+ u8 iv_data[8];
+
+ cipher = mt76x2_mac_get_key_info(key, key_data);
+ if (cipher == MT_CIPHER_NONE && key)
+ return -EOPNOTSUPP;
+
+ mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher);
+ mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data));
+
+ memset(iv_data, 0, sizeof(iv_data));
+ if (key) {
+ mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE,
+ !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
+ iv_data[3] = key->keyidx << 6;
+ if (cipher >= MT_CIPHER_TKIP)
+ iv_data[3] |= 0x20;
+ }
+
+ mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_key);
+
+static __le16
+mt76x2_mac_tx_rate_val(struct mt76x2_dev *dev,
+ const struct ieee80211_tx_rate *rate, u8 *nss_val)
+{
+ u16 rateval;
+ u8 phy, rate_idx;
+ u8 nss = 1;
+ u8 bw = 0;
+
+ if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
+ rate_idx = rate->idx;
+ nss = 1 + (rate->idx >> 4);
+ phy = MT_PHY_TYPE_VHT;
+ if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
+ bw = 2;
+ else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ bw = 1;
+ } else if (rate->flags & IEEE80211_TX_RC_MCS) {
+ rate_idx = rate->idx;
+ nss = 1 + (rate->idx >> 3);
+ phy = MT_PHY_TYPE_HT;
+ if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD)
+ phy = MT_PHY_TYPE_HT_GF;
+ if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ bw = 1;
+ } else {
+ const struct ieee80211_rate *r;
+ int band = dev->mt76.chandef.chan->band;
+ u16 val;
+
+ r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx];
+ if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+ val = r->hw_value_short;
+ else
+ val = r->hw_value;
+
+ phy = val >> 8;
+ rate_idx = val & 0xff;
+ bw = 0;
+ }
+
+ rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx);
+ rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy);
+ rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw);
+ if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+ rateval |= MT_RXWI_RATE_SGI;
+
+ *nss_val = nss;
+ return cpu_to_le16(rateval);
+}
+
+void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
+ const struct ieee80211_tx_rate *rate)
+{
+ spin_lock_bh(&dev->mt76.lock);
+ wcid->tx_rate = mt76x2_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss);
+ wcid->tx_rate_set = true;
+ spin_unlock_bh(&dev->mt76.lock);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_rate);
+
+void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta, int len)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_rate *rate = &info->control.rates[0];
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2));
+ u16 txwi_flags = 0;
+ u8 nss;
+ s8 txpwr_adj, max_txpwr_adj;
+ u8 ccmp_pn[8];
+
+ memset(txwi, 0, sizeof(*txwi));
+
+ if (wcid)
+ txwi->wcid = wcid->idx;
+ else
+ txwi->wcid = 0xff;
+
+ txwi->pktid = 1;
+
+ if (wcid && wcid->sw_iv && key) {
+ u64 pn = atomic64_inc_return(&key->tx_pn);
+ ccmp_pn[0] = pn;
+ ccmp_pn[1] = pn >> 8;
+ ccmp_pn[2] = 0;
+ ccmp_pn[3] = 0x20 | (key->keyidx << 6);
+ ccmp_pn[4] = pn >> 16;
+ ccmp_pn[5] = pn >> 24;
+ ccmp_pn[6] = pn >> 32;
+ ccmp_pn[7] = pn >> 40;
+ txwi->iv = *((__le32 *)&ccmp_pn[0]);
+ txwi->eiv = *((__le32 *)&ccmp_pn[1]);
+ }
+
+ spin_lock_bh(&dev->mt76.lock);
+ if (wcid && (rate->idx < 0 || !rate->count)) {
+ txwi->rate = wcid->tx_rate;
+ max_txpwr_adj = wcid->max_txpwr_adj;
+ nss = wcid->tx_rate_nss;
+ } else {
+ txwi->rate = mt76x2_mac_tx_rate_val(dev, rate, &nss);
+ max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, rate);
+ }
+ spin_unlock_bh(&dev->mt76.lock);
+
+ txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->txpower_conf,
+ max_txpwr_adj);
+ txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj);
+
+ if (mt76xx_rev(dev) >= MT76XX_REV_E4)
+ txwi->txstream = 0x13;
+ else if (mt76xx_rev(dev) >= MT76XX_REV_E3 &&
+ !(txwi->rate & cpu_to_le16(rate_ht_mask)))
+ txwi->txstream = 0x93;
+
+ if (info->flags & IEEE80211_TX_CTL_LDPC)
+ txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC);
+ if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1)
+ txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC);
+ if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
+ txwi_flags |= MT_TXWI_FLAGS_MMPS;
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ;
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+ txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ;
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+ txwi->pktid |= MT_TXWI_PKTID_PROBE;
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) {
+ u8 ba_size = IEEE80211_MIN_AMPDU_BUF;
+
+ ba_size <<= sta->ht_cap.ampdu_factor;
+ ba_size = min_t(int, 63, ba_size - 1);
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+ ba_size = 0;
+ txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size);
+
+ txwi_flags |= MT_TXWI_FLAGS_AMPDU |
+ FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY,
+ sta->ht_cap.ampdu_density);
+ }
+
+ if (ieee80211_is_probe_resp(hdr->frame_control) ||
+ ieee80211_is_beacon(hdr->frame_control))
+ txwi_flags |= MT_TXWI_FLAGS_TS;
+
+ txwi->flags |= cpu_to_le16(txwi_flags);
+ txwi->len_ctl = cpu_to_le16(len);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_write_txwi);
+
+void mt76x2_mac_wcid_set_drop(struct mt76x2_dev *dev, u8 idx, bool drop)
+{
+ u32 val = mt76_rr(dev, MT_WCID_DROP(idx));
+ u32 bit = MT_WCID_DROP_MASK(idx);
+
+ /* prevent unnecessary writes */
+ if ((val & bit) != (bit * drop))
+ mt76_wr(dev, MT_WCID_DROP(idx), (val & ~bit) | (bit * drop));
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_drop);
+
+void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac)
+{
+ struct mt76_wcid_addr addr = {};
+ u32 attr;
+
+ attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) |
+ FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8));
+
+ mt76_wr(dev, MT_WCID_ATTR(idx), attr);
+
+ mt76_wr(dev, MT_WCID_TX_RATE(idx), 0);
+ mt76_wr(dev, MT_WCID_TX_RATE(idx) + 4, 0);
+
+ if (idx >= 128)
+ return;
+
+ if (mac)
+ memcpy(addr.macaddr, mac, ETH_ALEN);
+
+ mt76_wr_copy(dev, MT_WCID_ADDR(idx), &addr, sizeof(addr));
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_setup);
+
+static int
+mt76x2_mac_process_rate(struct mt76_rx_status *status, u16 rate)
+{
+ u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
+
+ switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+ case MT_PHY_TYPE_OFDM:
+ if (idx >= 8)
+ idx = 0;
+
+ if (status->band == NL80211_BAND_2GHZ)
+ idx += 4;
+
+ status->rate_idx = idx;
+ return 0;
+ case MT_PHY_TYPE_CCK:
+ if (idx >= 8) {
+ idx -= 8;
+ status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
+ }
+
+ if (idx >= 4)
+ idx = 0;
+
+ status->rate_idx = idx;
+ return 0;
+ case MT_PHY_TYPE_HT_GF:
+ status->enc_flags |= RX_ENC_FLAG_HT_GF;
+ /* fall through */
+ case MT_PHY_TYPE_HT:
+ status->encoding = RX_ENC_HT;
+ status->rate_idx = idx;
+ break;
+ case MT_PHY_TYPE_VHT:
+ status->encoding = RX_ENC_VHT;
+ status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx);
+ status->nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate & MT_RXWI_RATE_LDPC)
+ status->enc_flags |= RX_ENC_FLAG_LDPC;
+
+ if (rate & MT_RXWI_RATE_SGI)
+ status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+
+ if (rate & MT_RXWI_RATE_STBC)
+ status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT;
+
+ switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
+ case MT_PHY_BW_20:
+ break;
+ case MT_PHY_BW_40:
+ status->bw = RATE_INFO_BW_40;
+ break;
+ case MT_PHY_BW_80:
+ status->bw = RATE_INFO_BW_80;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static void mt76x2_remove_hdr_pad(struct sk_buff *skb, int len)
+{
+ int hdrlen;
+
+ if (!len)
+ return;
+
+ hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ memmove(skb->data + len, skb->data, hdrlen);
+ skb_pull(skb, len);
+}
+
+int mt76x2_mac_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain)
+{
+ struct mt76x2_rx_freq_cal *cal = &dev->cal.rx;
+
+ rssi += cal->rssi_offset[chain];
+ rssi -= cal->lna_gain;
+
+ return rssi;
+}
+
+static struct mt76x2_sta *
+mt76x2_rx_get_sta(struct mt76x2_dev *dev, u8 idx)
+{
+ struct mt76_wcid *wcid;
+
+ if (idx >= ARRAY_SIZE(dev->wcid))
+ return NULL;
+
+ wcid = rcu_dereference(dev->wcid[idx]);
+ if (!wcid)
+ return NULL;
+
+ return container_of(wcid, struct mt76x2_sta, wcid);
+}
+
+static struct mt76_wcid *
+mt76x2_rx_get_sta_wcid(struct mt76x2_dev *dev, struct mt76x2_sta *sta,
+ bool unicast)
+{
+ if (!sta)
+ return NULL;
+
+ if (unicast)
+ return &sta->wcid;
+ else
+ return &sta->vif->group_wcid;
+}
+
+int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
+ void *rxi)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb;
+ struct mt76x2_rxwi *rxwi = rxi;
+ struct mt76x2_sta *sta;
+ u32 rxinfo = le32_to_cpu(rxwi->rxinfo);
+ u32 ctl = le32_to_cpu(rxwi->ctl);
+ u16 rate = le16_to_cpu(rxwi->rate);
+ u16 tid_sn = le16_to_cpu(rxwi->tid_sn);
+ bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST);
+ int pad_len = 0;
+ u8 pn_len;
+ u8 wcid;
+ int len;
+
+ if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state))
+ return -EINVAL;
+
+ if (rxinfo & MT_RXINFO_L2PAD)
+ pad_len += 2;
+
+ if (rxinfo & MT_RXINFO_DECRYPT) {
+ status->flag |= RX_FLAG_DECRYPTED;
+ status->flag |= RX_FLAG_MMIC_STRIPPED;
+ status->flag |= RX_FLAG_MIC_STRIPPED;
+ status->flag |= RX_FLAG_IV_STRIPPED;
+ }
+
+ wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl);
+ sta = mt76x2_rx_get_sta(dev, wcid);
+ status->wcid = mt76x2_rx_get_sta_wcid(dev, sta, unicast);
+
+ len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl);
+ pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo);
+ if (pn_len) {
+ int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len;
+ u8 *data = skb->data + offset;
+
+ status->iv[0] = data[7];
+ status->iv[1] = data[6];
+ status->iv[2] = data[5];
+ status->iv[3] = data[4];
+ status->iv[4] = data[1];
+ status->iv[5] = data[0];
+
+ /*
+ * Driver CCMP validation can't deal with fragments.
+ * Let mac80211 take care of it.
+ */
+ if (rxinfo & MT_RXINFO_FRAG) {
+ status->flag &= ~RX_FLAG_IV_STRIPPED;
+ } else {
+ pad_len += pn_len << 2;
+ len -= pn_len << 2;
+ }
+ }
+
+ mt76x2_remove_hdr_pad(skb, pad_len);
+
+ if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL))
+ status->aggr = true;
+
+ if (WARN_ON_ONCE(len > skb->len))
+ return -EINVAL;
+
+ pskb_trim(skb, len);
+ status->chains = BIT(0) | BIT(1);
+ status->chain_signal[0] = mt76x2_mac_get_rssi(dev, rxwi->rssi[0], 0);
+ status->chain_signal[1] = mt76x2_mac_get_rssi(dev, rxwi->rssi[1], 1);
+ status->signal = max(status->chain_signal[0], status->chain_signal[1]);
+ status->freq = dev->mt76.chandef.chan->center_freq;
+ status->band = dev->mt76.chandef.chan->band;
+
+ status->tid = FIELD_GET(MT_RXWI_TID, tid_sn);
+ status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn);
+
+ if (sta) {
+ ewma_signal_add(&sta->rssi, status->signal);
+ sta->inactive_count = 0;
+ }
+
+ return mt76x2_mac_process_rate(status, rate);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mac_process_rx);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
index 9a7b50f0005d..962505bf8fbb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -63,16 +63,6 @@ mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4)
return val;
}
-int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain)
-{
- struct mt76x2_rx_freq_cal *cal = &dev->cal.rx;
-
- rssi += cal->rssi_offset[chain];
- rssi -= cal->lna_gain;
-
- return rssi;
-}
-
static void
mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset)
{
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 14/19] mt76: add mt76x2_init_common to mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (12 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 13/19] mt76: add mt76x2_mac_common " Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 15/19] mt76: add mt76x2_common " Lorenzo Bianconi
` (5 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move init related code shared between mt76x2 and mt76x2u in
mt76x2-common module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 3 +-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 6 +
.../net/wireless/mediatek/mt76/mt76x2_init.c | 238 ----------------
.../mediatek/mt76/mt76x2_init_common.c | 259 ++++++++++++++++++
4 files changed, 267 insertions(+), 239 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index bedb671200ea..8342b4d38220 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -8,7 +8,8 @@ mt76-y := \
CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
- mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o
+ mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \
+ mt76x2_init_common.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 6c5dd106057d..556a2961860b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -218,6 +218,8 @@ static inline bool wait_for_wpdma(struct mt76x2_dev *dev)
extern const struct ieee80211_ops mt76x2_ops;
+extern struct ieee80211_rate mt76x2_rates[12];
+
struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);
int mt76x2_register_device(struct mt76x2_dev *dev);
void mt76x2_init_debugfs(struct mt76x2_dev *dev);
@@ -286,5 +288,9 @@ bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev,
struct mt76x2_tx_status *stat);
void mt76x2_send_tx_status(struct mt76x2_dev *dev,
struct mt76x2_tx_status *stat, u8 *update);
+void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable);
+void mt76x2_init_txpower(struct mt76x2_dev *dev,
+ struct ieee80211_supported_band *sband);
+void mt76_write_mac_initvals(struct mt76x2_dev *dev);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index 309e55cf347c..b814391f79ac 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -19,11 +19,6 @@
#include "mt76x2_eeprom.h"
#include "mt76x2_mcu.h"
-struct mt76x2_reg_pair {
- u32 reg;
- u32 value;
-};
-
static void
mt76x2_mac_pbf_init(struct mt76x2_dev *dev)
{
@@ -42,113 +37,6 @@ mt76x2_mac_pbf_init(struct mt76x2_dev *dev)
mt76_wr(dev, MT_PBF_RX_MAX_PCNT, 0xfebf);
}
-static void
-mt76x2_write_reg_pairs(struct mt76x2_dev *dev,
- const struct mt76x2_reg_pair *data, int len)
-{
- while (len > 0) {
- mt76_wr(dev, data->reg, data->value);
- len--;
- data++;
- }
-}
-
-static void
-mt76_write_mac_initvals(struct mt76x2_dev *dev)
-{
-#define DEFAULT_PROT_CFG_CCK \
- (FIELD_PREP(MT_PROT_CFG_RATE, 0x3) | \
- FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
- FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \
- MT_PROT_CFG_RTS_THRESH)
-
-#define DEFAULT_PROT_CFG_OFDM \
- (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \
- FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
- FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \
- MT_PROT_CFG_RTS_THRESH)
-
-#define DEFAULT_PROT_CFG_20 \
- (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \
- FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \
- FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
- FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17))
-
-#define DEFAULT_PROT_CFG_40 \
- (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \
- FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \
- FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
- FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f))
-
- static const struct mt76x2_reg_pair vals[] = {
- /* Copied from MediaTek reference source */
- { MT_PBF_SYS_CTRL, 0x00080c00 },
- { MT_PBF_CFG, 0x1efebcff },
- { MT_FCE_PSE_CTRL, 0x00000001 },
- { MT_MAC_SYS_CTRL, 0x0000000c },
- { MT_MAX_LEN_CFG, 0x003e3f00 },
- { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 },
- { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa },
- { MT_XIFS_TIME_CFG, 0x33a40d0a },
- { MT_BKOFF_SLOT_CFG, 0x00000209 },
- { MT_TBTT_SYNC_CFG, 0x00422010 },
- { MT_PWR_PIN_CFG, 0x00000000 },
- { 0x1238, 0x001700c8 },
- { MT_TX_SW_CFG0, 0x00101001 },
- { MT_TX_SW_CFG1, 0x00010000 },
- { MT_TX_SW_CFG2, 0x00000000 },
- { MT_TXOP_CTRL_CFG, 0x0400583f },
- { MT_TX_RTS_CFG, 0x00100020 },
- { MT_TX_TIMEOUT_CFG, 0x000a2290 },
- { MT_TX_RETRY_CFG, 0x47f01f0f },
- { MT_EXP_ACK_TIME, 0x002c00dc },
- { MT_TX_PROT_CFG6, 0xe3f42004 },
- { MT_TX_PROT_CFG7, 0xe3f42084 },
- { MT_TX_PROT_CFG8, 0xe3f42104 },
- { MT_PIFS_TX_CFG, 0x00060fff },
- { MT_RX_FILTR_CFG, 0x00015f97 },
- { MT_LEGACY_BASIC_RATE, 0x0000017f },
- { MT_HT_BASIC_RATE, 0x00004003 },
- { MT_PN_PAD_MODE, 0x00000003 },
- { MT_TXOP_HLDR_ET, 0x00000002 },
- { 0xa44, 0x00000000 },
- { MT_HEADER_TRANS_CTRL_REG, 0x00000000 },
- { MT_TSO_CTRL, 0x00000000 },
- { MT_AUX_CLK_CFG, 0x00000000 },
- { MT_DACCLK_EN_DLY_CFG, 0x00000000 },
- { MT_TX_ALC_CFG_4, 0x00000000 },
- { MT_TX_ALC_VGA3, 0x00000000 },
- { MT_TX_PWR_CFG_0, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_1, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_2, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_3, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_4, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_7, 0x3a3a3a3a },
- { MT_TX_PWR_CFG_8, 0x0000003a },
- { MT_TX_PWR_CFG_9, 0x0000003a },
- { MT_EFUSE_CTRL, 0x0000d000 },
- { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a },
- { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 },
- { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 },
- { MT_TX_SW_CFG3, 0x00000004 },
- { MT_HT_FBK_TO_LEGACY, 0x00001818 },
- { MT_VHT_HT_FBK_CFG1, 0xedcba980 },
- { MT_PROT_AUTO_TX_CFG, 0x00830083 },
- { MT_HT_CTRL_CFG, 0x000001ff },
- };
- struct mt76x2_reg_pair prot_vals[] = {
- { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG_CCK },
- { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG_OFDM },
- { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 },
- { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 },
- { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 },
- { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 },
- };
-
- mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals));
- mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals));
-}
-
static void
mt76x2_fixup_xtal(struct mt76x2_dev *dev)
{
@@ -441,45 +329,6 @@ void mt76x2_set_tx_ackto(struct mt76x2_dev *dev)
MT_TX_TIMEOUT_CFG_ACKTO, ackto);
}
-static void
-mt76x2_set_wlan_state(struct mt76x2_dev *dev, bool enable)
-{
- u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL);
-
- if (enable)
- val |= (MT_WLAN_FUN_CTRL_WLAN_EN |
- MT_WLAN_FUN_CTRL_WLAN_CLK_EN);
- else
- val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN |
- MT_WLAN_FUN_CTRL_WLAN_CLK_EN);
-
- mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
- udelay(20);
-}
-
-static void
-mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable)
-{
- u32 val;
-
- val = mt76_rr(dev, MT_WLAN_FUN_CTRL);
-
- val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL;
-
- if (val & MT_WLAN_FUN_CTRL_WLAN_EN) {
- val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF;
- mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
- udelay(20);
-
- val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF;
- }
-
- mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
- udelay(20);
-
- mt76x2_set_wlan_state(dev, enable);
-}
-
int mt76x2_init_hardware(struct mt76x2_dev *dev)
{
static const u16 beacon_offsets[16] = {
@@ -601,34 +450,6 @@ static void mt76x2_regd_notifier(struct wiphy *wiphy,
mt76x2_dfs_set_domain(dev, request->dfs_region);
}
-#define CCK_RATE(_idx, _rate) { \
- .bitrate = _rate, \
- .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
- .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \
- .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \
-}
-
-#define OFDM_RATE(_idx, _rate) { \
- .bitrate = _rate, \
- .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \
- .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \
-}
-
-static struct ieee80211_rate mt76x2_rates[] = {
- CCK_RATE(0, 10),
- CCK_RATE(1, 20),
- CCK_RATE(2, 55),
- CCK_RATE(3, 110),
- OFDM_RATE(0, 60),
- OFDM_RATE(1, 90),
- OFDM_RATE(2, 120),
- OFDM_RATE(3, 180),
- OFDM_RATE(4, 240),
- OFDM_RATE(5, 360),
- OFDM_RATE(6, 480),
- OFDM_RATE(7, 540),
-};
-
static const struct ieee80211_iface_limit if_limits[] = {
{
.max = 1,
@@ -705,65 +526,6 @@ static void mt76x2_led_set_brightness(struct led_classdev *led_cdev,
mt76x2_led_set_config(mt76, 0xff, 0);
}
-static void
-mt76x2_init_txpower(struct mt76x2_dev *dev,
- struct ieee80211_supported_band *sband)
-{
- struct ieee80211_channel *chan;
- struct mt76x2_tx_power_info txp;
- struct mt76_rate_power t = {};
- int target_power;
- int i;
-
- for (i = 0; i < sband->n_channels; i++) {
- chan = &sband->channels[i];
-
- mt76x2_get_power_info(dev, &txp, chan);
-
- target_power = max_t(int, (txp.chain[0].target_power +
- txp.chain[0].delta),
- (txp.chain[1].target_power +
- txp.chain[1].delta));
-
- mt76x2_get_rate_power(dev, &t, chan);
-
- chan->max_power = mt76x2_get_max_rate_power(&t) +
- target_power;
- chan->max_power /= 2;
-
- /* convert to combined output power on 2x2 devices */
- chan->max_power += 3;
- }
-}
-
-void mt76x2_init_device(struct mt76x2_dev *dev)
-{
- struct ieee80211_hw *hw = mt76_hw(dev);
-
- hw->queues = 4;
- hw->max_rates = 1;
- hw->max_report_rates = 7;
- hw->max_rate_tries = 1;
- hw->extra_tx_headroom = 2;
-
- hw->sta_data_size = sizeof(struct mt76x2_sta);
- hw->vif_data_size = sizeof(struct mt76x2_vif);
-
- ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
- ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
-
- dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
- dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
-
- dev->chainmask = 0x202;
- dev->global_wcid.idx = 255;
- dev->global_wcid.hw_key_idx = -1;
- dev->slottime = 9;
-
- /* init antenna configuration */
- dev->mt76.antenna_mask = 3;
-}
-
int mt76x2_register_device(struct mt76x2_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c
new file mode 100644
index 000000000000..324b2a4b8b67
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c
@@ -0,0 +1,259 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+#include "mt76x2_eeprom.h"
+
+#define CCK_RATE(_idx, _rate) { \
+ .bitrate = _rate, \
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
+ .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \
+ .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \
+}
+
+#define OFDM_RATE(_idx, _rate) { \
+ .bitrate = _rate, \
+ .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \
+ .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \
+}
+
+struct ieee80211_rate mt76x2_rates[] = {
+ CCK_RATE(0, 10),
+ CCK_RATE(1, 20),
+ CCK_RATE(2, 55),
+ CCK_RATE(3, 110),
+ OFDM_RATE(0, 60),
+ OFDM_RATE(1, 90),
+ OFDM_RATE(2, 120),
+ OFDM_RATE(3, 180),
+ OFDM_RATE(4, 240),
+ OFDM_RATE(5, 360),
+ OFDM_RATE(6, 480),
+ OFDM_RATE(7, 540),
+};
+EXPORT_SYMBOL_GPL(mt76x2_rates);
+
+struct mt76x2_reg_pair {
+ u32 reg;
+ u32 value;
+};
+
+static void
+mt76x2_set_wlan_state(struct mt76x2_dev *dev, bool enable)
+{
+ u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL);
+
+ if (enable)
+ val |= (MT_WLAN_FUN_CTRL_WLAN_EN |
+ MT_WLAN_FUN_CTRL_WLAN_CLK_EN);
+ else
+ val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN |
+ MT_WLAN_FUN_CTRL_WLAN_CLK_EN);
+
+ mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
+ udelay(20);
+}
+
+void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable)
+{
+ u32 val;
+
+ val = mt76_rr(dev, MT_WLAN_FUN_CTRL);
+
+ val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL;
+
+ if (val & MT_WLAN_FUN_CTRL_WLAN_EN) {
+ val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF;
+ mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
+ udelay(20);
+
+ val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF;
+ }
+
+ mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
+ udelay(20);
+
+ mt76x2_set_wlan_state(dev, enable);
+}
+EXPORT_SYMBOL_GPL(mt76x2_reset_wlan);
+
+static void
+mt76x2_write_reg_pairs(struct mt76x2_dev *dev,
+ const struct mt76x2_reg_pair *data, int len)
+{
+ while (len > 0) {
+ mt76_wr(dev, data->reg, data->value);
+ len--;
+ data++;
+ }
+}
+
+void mt76_write_mac_initvals(struct mt76x2_dev *dev)
+{
+#define DEFAULT_PROT_CFG_CCK \
+ (FIELD_PREP(MT_PROT_CFG_RATE, 0x3) | \
+ FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
+ FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \
+ MT_PROT_CFG_RTS_THRESH)
+
+#define DEFAULT_PROT_CFG_OFDM \
+ (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \
+ FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
+ FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \
+ MT_PROT_CFG_RTS_THRESH)
+
+#define DEFAULT_PROT_CFG_20 \
+ (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \
+ FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \
+ FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
+ FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17))
+
+#define DEFAULT_PROT_CFG_40 \
+ (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \
+ FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \
+ FIELD_PREP(MT_PROT_CFG_NAV, 1) | \
+ FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f))
+
+ static const struct mt76x2_reg_pair vals[] = {
+ /* Copied from MediaTek reference source */
+ { MT_PBF_SYS_CTRL, 0x00080c00 },
+ { MT_PBF_CFG, 0x1efebcff },
+ { MT_FCE_PSE_CTRL, 0x00000001 },
+ { MT_MAC_SYS_CTRL, 0x0000000c },
+ { MT_MAX_LEN_CFG, 0x003e3f00 },
+ { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 },
+ { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa },
+ { MT_XIFS_TIME_CFG, 0x33a40d0a },
+ { MT_BKOFF_SLOT_CFG, 0x00000209 },
+ { MT_TBTT_SYNC_CFG, 0x00422010 },
+ { MT_PWR_PIN_CFG, 0x00000000 },
+ { 0x1238, 0x001700c8 },
+ { MT_TX_SW_CFG0, 0x00101001 },
+ { MT_TX_SW_CFG1, 0x00010000 },
+ { MT_TX_SW_CFG2, 0x00000000 },
+ { MT_TXOP_CTRL_CFG, 0x0400583f },
+ { MT_TX_RTS_CFG, 0x00100020 },
+ { MT_TX_TIMEOUT_CFG, 0x000a2290 },
+ { MT_TX_RETRY_CFG, 0x47f01f0f },
+ { MT_EXP_ACK_TIME, 0x002c00dc },
+ { MT_TX_PROT_CFG6, 0xe3f42004 },
+ { MT_TX_PROT_CFG7, 0xe3f42084 },
+ { MT_TX_PROT_CFG8, 0xe3f42104 },
+ { MT_PIFS_TX_CFG, 0x00060fff },
+ { MT_RX_FILTR_CFG, 0x00015f97 },
+ { MT_LEGACY_BASIC_RATE, 0x0000017f },
+ { MT_HT_BASIC_RATE, 0x00004003 },
+ { MT_PN_PAD_MODE, 0x00000003 },
+ { MT_TXOP_HLDR_ET, 0x00000002 },
+ { 0xa44, 0x00000000 },
+ { MT_HEADER_TRANS_CTRL_REG, 0x00000000 },
+ { MT_TSO_CTRL, 0x00000000 },
+ { MT_AUX_CLK_CFG, 0x00000000 },
+ { MT_DACCLK_EN_DLY_CFG, 0x00000000 },
+ { MT_TX_ALC_CFG_4, 0x00000000 },
+ { MT_TX_ALC_VGA3, 0x00000000 },
+ { MT_TX_PWR_CFG_0, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_1, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_2, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_3, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_4, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_7, 0x3a3a3a3a },
+ { MT_TX_PWR_CFG_8, 0x0000003a },
+ { MT_TX_PWR_CFG_9, 0x0000003a },
+ { MT_EFUSE_CTRL, 0x0000d000 },
+ { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a },
+ { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 },
+ { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 },
+ { MT_TX_SW_CFG3, 0x00000004 },
+ { MT_HT_FBK_TO_LEGACY, 0x00001818 },
+ { MT_VHT_HT_FBK_CFG1, 0xedcba980 },
+ { MT_PROT_AUTO_TX_CFG, 0x00830083 },
+ { MT_HT_CTRL_CFG, 0x000001ff },
+ };
+ struct mt76x2_reg_pair prot_vals[] = {
+ { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG_CCK },
+ { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG_OFDM },
+ { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 },
+ { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 },
+ { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 },
+ { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 },
+ };
+
+ mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals));
+ mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals));
+}
+EXPORT_SYMBOL_GPL(mt76_write_mac_initvals);
+
+void mt76x2_init_device(struct mt76x2_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+
+ hw->queues = 4;
+ hw->max_rates = 1;
+ hw->max_report_rates = 7;
+ hw->max_rate_tries = 1;
+ hw->extra_tx_headroom = 2;
+
+ hw->sta_data_size = sizeof(struct mt76x2_sta);
+ hw->vif_data_size = sizeof(struct mt76x2_vif);
+
+ ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
+ ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
+
+ dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+ dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
+ dev->chainmask = 0x202;
+ dev->global_wcid.idx = 255;
+ dev->global_wcid.hw_key_idx = -1;
+ dev->slottime = 9;
+
+ /* init antenna configuration */
+ dev->mt76.antenna_mask = 3;
+}
+EXPORT_SYMBOL_GPL(mt76x2_init_device);
+
+void mt76x2_init_txpower(struct mt76x2_dev *dev,
+ struct ieee80211_supported_band *sband)
+{
+ struct ieee80211_channel *chan;
+ struct mt76x2_tx_power_info txp;
+ struct mt76_rate_power t = {};
+ int target_power;
+ int i;
+
+ for (i = 0; i < sband->n_channels; i++) {
+ chan = &sband->channels[i];
+
+ mt76x2_get_power_info(dev, &txp, chan);
+
+ target_power = max_t(int, (txp.chain[0].target_power +
+ txp.chain[0].delta),
+ (txp.chain[1].target_power +
+ txp.chain[1].delta));
+
+ mt76x2_get_rate_power(dev, &t, chan);
+
+ chan->max_power = mt76x2_get_max_rate_power(&t) +
+ target_power;
+ chan->max_power /= 2;
+
+ /* convert to combined output power on 2x2 devices */
+ chan->max_power += 3;
+ }
+}
+EXPORT_SYMBOL_GPL(mt76x2_init_txpower);
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 15/19] mt76: add mt76x2_common to mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (13 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 14/19] mt76: add mt76x2_init_common " Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 16/19] mt76: add mt76x2_phy_common " Lorenzo Bianconi
` (4 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move core related code shared between mt76x2 and mt76x2u in
mt76x2-common module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 21 ++
.../wireless/mediatek/mt76/mt76x2_common.c | 350 ++++++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2_dma.c | 21 --
.../net/wireless/mediatek/mt76/mt76x2_main.c | 307 ---------------
5 files changed, 372 insertions(+), 329 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_common.c
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index 8342b4d38220..a184e16a5d54 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -9,7 +9,7 @@ CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \
- mt76x2_init_common.o
+ mt76x2_init_common.o mt76x2_common.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 556a2961860b..0c129d6a9466 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -293,4 +293,25 @@ void mt76x2_init_txpower(struct mt76x2_dev *dev,
struct ieee80211_supported_band *sband);
void mt76_write_mac_initvals(struct mt76x2_dev *dev);
+int mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params);
+int mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+void mt76x2_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+int mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key);
+int mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u16 queue, const struct ieee80211_tx_queue_params *params);
+void mt76x2_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast);
+void mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq);
+void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_common.c
new file mode 100644
index 000000000000..a2338ba139b4
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_common.c
@@ -0,0 +1,350 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+
+void mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq)
+{
+ struct mt76_txq *mtxq;
+
+ if (!txq)
+ return;
+
+ mtxq = (struct mt76_txq *) txq->drv_priv;
+ if (txq->sta) {
+ struct mt76x2_sta *sta;
+
+ sta = (struct mt76x2_sta *) txq->sta->drv_priv;
+ mtxq->wcid = &sta->wcid;
+ } else {
+ struct mt76x2_vif *mvif;
+
+ mvif = (struct mt76x2_vif *) txq->vif->drv_priv;
+ mtxq->wcid = &mvif->group_wcid;
+ }
+
+ mt76_txq_init(&dev->mt76, txq);
+}
+EXPORT_SYMBOL_GPL(mt76x2_txq_init);
+
+int mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ struct ieee80211_sta *sta = params->sta;
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct ieee80211_txq *txq = sta->txq[params->tid];
+ u16 tid = params->tid;
+ u16 *ssn = ¶ms->ssn;
+ struct mt76_txq *mtxq;
+
+ if (!txq)
+ return -EINVAL;
+
+ mtxq = (struct mt76_txq *)txq->drv_priv;
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, *ssn, params->buf_size);
+ mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
+ mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
+ BIT(16 + tid));
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ mtxq->aggr = true;
+ mtxq->send_bar = false;
+ ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ mtxq->aggr = false;
+ ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ mtxq->agg_ssn = *ssn << 4;
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ mtxq->aggr = false;
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x2_ampdu_action);
+
+int mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ int ret = 0;
+ int idx = 0;
+ int i;
+
+ mutex_lock(&dev->mutex);
+
+ idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid));
+ if (idx < 0) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ msta->vif = mvif;
+ msta->wcid.sta = 1;
+ msta->wcid.idx = idx;
+ msta->wcid.hw_key_idx = -1;
+ mt76x2_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
+ mt76x2_mac_wcid_set_drop(dev, idx, false);
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ mt76x2_txq_init(dev, sta->txq[i]);
+
+ if (vif->type == NL80211_IFTYPE_AP)
+ set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags);
+
+ ewma_signal_init(&msta->rssi);
+
+ rcu_assign_pointer(dev->wcid[idx], &msta->wcid);
+
+out:
+ mutex_unlock(&dev->mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76x2_sta_add);
+
+int mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ int idx = msta->wcid.idx;
+ int i;
+
+ mutex_lock(&dev->mutex);
+ rcu_assign_pointer(dev->wcid[idx], NULL);
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ mt76_txq_remove(&dev->mt76, sta->txq[i]);
+ mt76x2_mac_wcid_set_drop(dev, idx, true);
+ mt76_wcid_free(dev->wcid_mask, idx);
+ mt76x2_mac_wcid_setup(dev, idx, 0, NULL);
+ mutex_unlock(&dev->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x2_sta_remove);
+
+void mt76x2_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mt76_txq_remove(&dev->mt76, vif->txq);
+}
+EXPORT_SYMBOL_GPL(mt76x2_remove_interface);
+
+int mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ struct mt76x2_sta *msta;
+ struct mt76_wcid *wcid;
+ int idx = key->keyidx;
+ int ret;
+
+ /* fall back to sw encryption for unsupported ciphers */
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /*
+ * The hardware does not support per-STA RX GTK, fall back
+ * to software mode for these.
+ */
+ if ((vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT) &&
+ (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+ key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -EOPNOTSUPP;
+
+ msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL;
+ wcid = msta ? &msta->wcid : &mvif->group_wcid;
+
+ if (cmd == SET_KEY) {
+ key->hw_key_idx = wcid->idx;
+ wcid->hw_key_idx = idx;
+ if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
+ key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
+ wcid->sw_iv = true;
+ }
+ } else {
+ if (idx == wcid->hw_key_idx) {
+ wcid->hw_key_idx = -1;
+ wcid->sw_iv = true;
+ }
+
+ key = NULL;
+ }
+ mt76_wcid_key_setup(&dev->mt76, wcid, key);
+
+ if (!msta) {
+ if (key || wcid->hw_key_idx == idx) {
+ ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key);
+ if (ret)
+ return ret;
+ }
+
+ return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key);
+ }
+
+ return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key);
+}
+EXPORT_SYMBOL_GPL(mt76x2_set_key);
+
+int mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u16 queue, const struct ieee80211_tx_queue_params *params)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ u8 cw_min = 5, cw_max = 10, qid;
+ u32 val;
+
+ qid = dev->mt76.q_tx[queue].hw_idx;
+
+ if (params->cw_min)
+ cw_min = fls(params->cw_min);
+ if (params->cw_max)
+ cw_max = fls(params->cw_max);
+
+ val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) |
+ FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) |
+ FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) |
+ FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max);
+ mt76_wr(dev, MT_EDCA_CFG_AC(qid), val);
+
+ val = mt76_rr(dev, MT_WMM_TXOP(qid));
+ val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid));
+ val |= params->txop << MT_WMM_TXOP_SHIFT(qid);
+ mt76_wr(dev, MT_WMM_TXOP(qid), val);
+
+ val = mt76_rr(dev, MT_WMM_AIFSN);
+ val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid));
+ val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid);
+ mt76_wr(dev, MT_WMM_AIFSN, val);
+
+ val = mt76_rr(dev, MT_WMM_CWMIN);
+ val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid));
+ val |= cw_min << MT_WMM_CWMIN_SHIFT(qid);
+ mt76_wr(dev, MT_WMM_CWMIN, val);
+
+ val = mt76_rr(dev, MT_WMM_CWMAX);
+ val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid));
+ val |= cw_max << MT_WMM_CWMAX_SHIFT(qid);
+ mt76_wr(dev, MT_WMM_CWMAX, val);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x2_conf_tx);
+
+void mt76x2_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ u32 flags = 0;
+
+#define MT76_FILTER(_flag, _hw) do { \
+ flags |= *total_flags & FIF_##_flag; \
+ dev->rxfilter &= ~(_hw); \
+ dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
+ } while (0)
+
+ mutex_lock(&dev->mutex);
+
+ dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
+
+ MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
+ MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
+ MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
+ MT_RX_FILTR_CFG_CTS |
+ MT_RX_FILTR_CFG_CFEND |
+ MT_RX_FILTR_CFG_CFACK |
+ MT_RX_FILTR_CFG_BA |
+ MT_RX_FILTR_CFG_CTRL_RSV);
+ MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
+
+ *total_flags = flags;
+ mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+ mutex_unlock(&dev->mutex);
+}
+EXPORT_SYMBOL_GPL(mt76x2_configure_filter);
+
+void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates);
+ struct ieee80211_tx_rate rate = {};
+
+ if (!rates)
+ return;
+
+ rate.idx = rates->rate[0].idx;
+ rate.flags = rates->rate[0].flags;
+ mt76x2_mac_wcid_set_rate(dev, &msta->wcid, &rate);
+ msta->wcid.max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, &rate);
+}
+EXPORT_SYMBOL_GPL(mt76x2_sta_rate_tbl_update);
+
+void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ void *rxwi = skb->data;
+
+ if (q == MT_RXQ_MCU) {
+ skb_queue_tail(&dev->mcu.res_q, skb);
+ wake_up(&dev->mcu.wait);
+ return;
+ }
+
+ skb_pull(skb, sizeof(struct mt76x2_rxwi));
+ if (mt76x2_mac_process_rx(dev, skb, rxwi)) {
+ dev_kfree_skb(skb);
+ return;
+ }
+
+ mt76_rx(&dev->mt76, q, skb);
+}
+EXPORT_SYMBOL_GPL(mt76x2_queue_rx_skb);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
index fd1ec4743e0b..6720a6a1313f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
@@ -66,27 +66,6 @@ mt76x2_init_tx_queue(struct mt76x2_dev *dev, struct mt76_queue *q,
return 0;
}
-void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
- struct sk_buff *skb)
-{
- struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
- void *rxwi = skb->data;
-
- if (q == MT_RXQ_MCU) {
- skb_queue_tail(&dev->mcu.res_q, skb);
- wake_up(&dev->mcu.wait);
- return;
- }
-
- skb_pull(skb, sizeof(struct mt76x2_rxwi));
- if (mt76x2_mac_process_rx(dev, skb, rxwi)) {
- dev_kfree_skb(skb);
- return;
- }
-
- mt76_rx(&dev->mt76, q, skb);
-}
-
static int
mt76x2_init_rx_queue(struct mt76x2_dev *dev, struct mt76_queue *q,
int idx, int n_desc, int bufsize)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
index 1f4d3e5ae64b..680a89f8aa87 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
@@ -53,30 +53,6 @@ mt76x2_stop(struct ieee80211_hw *hw)
mutex_unlock(&dev->mutex);
}
-static void
-mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq)
-{
- struct mt76_txq *mtxq;
-
- if (!txq)
- return;
-
- mtxq = (struct mt76_txq *) txq->drv_priv;
- if (txq->sta) {
- struct mt76x2_sta *sta;
-
- sta = (struct mt76x2_sta *) txq->sta->drv_priv;
- mtxq->wcid = &sta->wcid;
- } else {
- struct mt76x2_vif *mvif;
-
- mvif = (struct mt76x2_vif *) txq->vif->drv_priv;
- mtxq->wcid = &mvif->group_wcid;
- }
-
- mt76_txq_init(&dev->mt76, txq);
-}
-
static int
mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
@@ -111,14 +87,6 @@ mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
return 0;
}
-static void
-mt76x2_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
- struct mt76x2_dev *dev = hw->priv;
-
- mt76_txq_remove(&dev->mt76, vif->txq);
-}
-
static int
mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef)
{
@@ -193,39 +161,6 @@ mt76x2_config(struct ieee80211_hw *hw, u32 changed)
return ret;
}
-static void
-mt76x2_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
- unsigned int *total_flags, u64 multicast)
-{
- struct mt76x2_dev *dev = hw->priv;
- u32 flags = 0;
-
-#define MT76_FILTER(_flag, _hw) do { \
- flags |= *total_flags & FIF_##_flag; \
- dev->rxfilter &= ~(_hw); \
- dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
- } while (0)
-
- mutex_lock(&dev->mutex);
-
- dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
-
- MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
- MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
- MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
- MT_RX_FILTR_CFG_CTS |
- MT_RX_FILTR_CFG_CFEND |
- MT_RX_FILTR_CFG_CFACK |
- MT_RX_FILTR_CFG_BA |
- MT_RX_FILTR_CFG_CTRL_RSV);
- MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
-
- *total_flags = flags;
- mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
-
- mutex_unlock(&dev->mutex);
-}
-
static void
mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info, u32 changed)
@@ -263,68 +198,6 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mutex_unlock(&dev->mutex);
}
-static int
-mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
-{
- struct mt76x2_dev *dev = hw->priv;
- struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
- struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
- int ret = 0;
- int idx = 0;
- int i;
-
- mutex_lock(&dev->mutex);
-
- idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid));
- if (idx < 0) {
- ret = -ENOSPC;
- goto out;
- }
-
- msta->vif = mvif;
- msta->wcid.sta = 1;
- msta->wcid.idx = idx;
- msta->wcid.hw_key_idx = -1;
- mt76x2_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
- mt76x2_mac_wcid_set_drop(dev, idx, false);
- for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
- mt76x2_txq_init(dev, sta->txq[i]);
-
- if (vif->type == NL80211_IFTYPE_AP)
- set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags);
-
- ewma_signal_init(&msta->rssi);
-
- rcu_assign_pointer(dev->wcid[idx], &msta->wcid);
-
-out:
- mutex_unlock(&dev->mutex);
-
- return ret;
-}
-
-static int
-mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
-{
- struct mt76x2_dev *dev = hw->priv;
- struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
- int idx = msta->wcid.idx;
- int i;
-
- mutex_lock(&dev->mutex);
- rcu_assign_pointer(dev->wcid[idx], NULL);
- for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
- mt76_txq_remove(&dev->mt76, sta->txq[i]);
- mt76x2_mac_wcid_set_drop(dev, idx, true);
- mt76_wcid_free(dev->wcid_mask, idx);
- mt76x2_mac_wcid_setup(dev, idx, 0, NULL);
- mutex_unlock(&dev->mutex);
-
- return 0;
-}
-
void
mt76x2_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
{
@@ -336,117 +209,6 @@ mt76x2_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
mt76x2_mac_wcid_set_drop(dev, idx, ps);
}
-static int
-mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- struct ieee80211_vif *vif, struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key)
-{
- struct mt76x2_dev *dev = hw->priv;
- struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
- struct mt76x2_sta *msta;
- struct mt76_wcid *wcid;
- int idx = key->keyidx;
- int ret;
-
- /* fall back to sw encryption for unsupported ciphers */
- switch (key->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- case WLAN_CIPHER_SUITE_TKIP:
- case WLAN_CIPHER_SUITE_CCMP:
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- /*
- * The hardware does not support per-STA RX GTK, fall back
- * to software mode for these.
- */
- if ((vif->type == NL80211_IFTYPE_ADHOC ||
- vif->type == NL80211_IFTYPE_MESH_POINT) &&
- (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
- key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
- !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
- return -EOPNOTSUPP;
-
- msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL;
- wcid = msta ? &msta->wcid : &mvif->group_wcid;
-
- if (cmd == SET_KEY) {
- key->hw_key_idx = wcid->idx;
- wcid->hw_key_idx = idx;
- if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
- key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
- wcid->sw_iv = true;
- }
- } else {
- if (idx == wcid->hw_key_idx) {
- wcid->hw_key_idx = -1;
- wcid->sw_iv = true;
- }
-
- key = NULL;
- }
- mt76_wcid_key_setup(&dev->mt76, wcid, key);
-
- if (!msta) {
- if (key || wcid->hw_key_idx == idx) {
- ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key);
- if (ret)
- return ret;
- }
-
- return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key);
- }
-
- return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key);
-}
-
-static int
-mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct mt76x2_dev *dev = hw->priv;
- u8 cw_min = 5, cw_max = 10, qid;
- u32 val;
-
- qid = dev->mt76.q_tx[queue].hw_idx;
-
- if (params->cw_min)
- cw_min = fls(params->cw_min);
- if (params->cw_max)
- cw_max = fls(params->cw_max);
-
- val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) |
- FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) |
- FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) |
- FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max);
- mt76_wr(dev, MT_EDCA_CFG_AC(qid), val);
-
- val = mt76_rr(dev, MT_WMM_TXOP(qid));
- val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid));
- val |= params->txop << MT_WMM_TXOP_SHIFT(qid);
- mt76_wr(dev, MT_WMM_TXOP(qid), val);
-
- val = mt76_rr(dev, MT_WMM_AIFSN);
- val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid));
- val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid);
- mt76_wr(dev, MT_WMM_AIFSN, val);
-
- val = mt76_rr(dev, MT_WMM_CWMIN);
- val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid));
- val |= cw_min << MT_WMM_CWMIN_SHIFT(qid);
- mt76_wr(dev, MT_WMM_CWMIN, val);
-
- val = mt76_rr(dev, MT_WMM_CWMAX);
- val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid));
- val |= cw_max << MT_WMM_CWMAX_SHIFT(qid);
- mt76_wr(dev, MT_WMM_CWMAX, val);
-
- return 0;
-}
-
static void
mt76x2_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
const u8 *mac)
@@ -485,75 +247,6 @@ mt76x2_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm)
return 0;
}
-static int
-mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_ampdu_params *params)
-{
- enum ieee80211_ampdu_mlme_action action = params->action;
- struct ieee80211_sta *sta = params->sta;
- struct mt76x2_dev *dev = hw->priv;
- struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
- struct ieee80211_txq *txq = sta->txq[params->tid];
- u16 tid = params->tid;
- u16 *ssn = ¶ms->ssn;
- struct mt76_txq *mtxq;
-
- if (!txq)
- return -EINVAL;
-
- mtxq = (struct mt76_txq *)txq->drv_priv;
-
- switch (action) {
- case IEEE80211_AMPDU_RX_START:
- mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, *ssn, params->buf_size);
- mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
- break;
- case IEEE80211_AMPDU_RX_STOP:
- mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
- mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
- BIT(16 + tid));
- break;
- case IEEE80211_AMPDU_TX_OPERATIONAL:
- mtxq->aggr = true;
- mtxq->send_bar = false;
- ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
- break;
- case IEEE80211_AMPDU_TX_STOP_FLUSH:
- case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
- mtxq->aggr = false;
- ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
- break;
- case IEEE80211_AMPDU_TX_START:
- mtxq->agg_ssn = *ssn << 4;
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
- case IEEE80211_AMPDU_TX_STOP_CONT:
- mtxq->aggr = false;
- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
- }
-
- return 0;
-}
-
-static void
-mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
-{
- struct mt76x2_dev *dev = hw->priv;
- struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
- struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates);
- struct ieee80211_tx_rate rate = {};
-
- if (!rates)
- return;
-
- rate.idx = rates->rate[0].idx;
- rate.flags = rates->rate[0].flags;
- mt76x2_mac_wcid_set_rate(dev, &msta->wcid, &rate);
- msta->wcid.max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, &rate);
-}
-
static void mt76x2_set_coverage_class(struct ieee80211_hw *hw,
s16 coverage_class)
{
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 16/19] mt76: add mt76x2_phy_common to mt76x2-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (14 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 15/19] mt76: add mt76x2_common " Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 17/19] mt76: move mt76x2_debugfs in mt76-common module Lorenzo Bianconi
` (3 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move phy related code shared between mt76x2 and mt76x2u in
mt76x2-common module
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x2.h | 9 +
.../net/wireless/mediatek/mt76/mt76x2_phy.c | 328 ----------------
.../mediatek/mt76/mt76x2_phy_common.c | 349 ++++++++++++++++++
4 files changed, 359 insertions(+), 329 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index a184e16a5d54..5a9f34b14ee4 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -9,7 +9,7 @@ CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \
- mt76x2_init_common.o mt76x2_common.o
+ mt76x2_init_common.o mt76x2_common.o mt76x2_phy_common.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 0c129d6a9466..624ae804395a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -314,4 +314,13 @@ void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
+void mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev,
+ enum nl80211_band band);
+void mt76x2_configure_tx_delay(struct mt76x2_dev *dev,
+ enum nl80211_band band, u8 bw);
+void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl);
+void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper);
+int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev);
+void mt76x2_apply_gain_adj(struct mt76x2_dev *dev);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
index 962505bf8fbb..84c96c0415b6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -19,153 +19,6 @@
#include "mt76x2_mcu.h"
#include "mt76x2_eeprom.h"
-static void
-mt76x2_adjust_high_lna_gain(struct mt76x2_dev *dev, int reg, s8 offset)
-{
- s8 gain;
-
- gain = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
- gain -= offset / 2;
- mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_HIGH_GAIN, gain);
-}
-
-static void
-mt76x2_adjust_agc_gain(struct mt76x2_dev *dev, int reg, s8 offset)
-{
- s8 gain;
-
- gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
- gain += offset;
- mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain);
-}
-
-static void
-mt76x2_apply_gain_adj(struct mt76x2_dev *dev)
-{
- s8 *gain_adj = dev->cal.rx.high_gain;
-
- mt76x2_adjust_high_lna_gain(dev, 4, gain_adj[0]);
- mt76x2_adjust_high_lna_gain(dev, 5, gain_adj[1]);
-
- mt76x2_adjust_agc_gain(dev, 8, gain_adj[0]);
- mt76x2_adjust_agc_gain(dev, 9, gain_adj[1]);
-}
-
-static u32
-mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4)
-{
- u32 val = 0;
-
- val |= (v1 & (BIT(6) - 1)) << 0;
- val |= (v2 & (BIT(6) - 1)) << 8;
- val |= (v3 & (BIT(6) - 1)) << 16;
- val |= (v4 & (BIT(6) - 1)) << 24;
- return val;
-}
-
-static void
-mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset)
-{
- int i;
-
- for (i = 0; i < sizeof(r->all); i++)
- r->all[i] += offset;
-}
-
-static void
-mt76x2_limit_rate_power(struct mt76_rate_power *r, int limit)
-{
- int i;
-
- for (i = 0; i < sizeof(r->all); i++)
- if (r->all[i] > limit)
- r->all[i] = limit;
-}
-
-static int
-mt76x2_get_min_rate_power(struct mt76_rate_power *r)
-{
- int i;
- s8 ret = 0;
-
- for (i = 0; i < sizeof(r->all); i++) {
- if (!r->all[i])
- continue;
-
- if (ret)
- ret = min(ret, r->all[i]);
- else
- ret = r->all[i];
- }
-
- return ret;
-}
-
-
-void mt76x2_phy_set_txpower(struct mt76x2_dev *dev)
-{
- enum nl80211_chan_width width = dev->mt76.chandef.width;
- struct ieee80211_channel *chan = dev->mt76.chandef.chan;
- struct mt76x2_tx_power_info txp;
- int txp_0, txp_1, delta = 0;
- struct mt76_rate_power t = {};
- int base_power, gain;
-
- mt76x2_get_power_info(dev, &txp, chan);
-
- if (width == NL80211_CHAN_WIDTH_40)
- delta = txp.delta_bw40;
- else if (width == NL80211_CHAN_WIDTH_80)
- delta = txp.delta_bw80;
-
- mt76x2_get_rate_power(dev, &t, chan);
- mt76x2_add_rate_power_offset(&t, txp.chain[0].target_power);
- mt76x2_limit_rate_power(&t, dev->txpower_conf);
- dev->txpower_cur = mt76x2_get_max_rate_power(&t);
-
- base_power = mt76x2_get_min_rate_power(&t);
- delta += base_power - txp.chain[0].target_power;
- txp_0 = txp.chain[0].target_power + txp.chain[0].delta + delta;
- txp_1 = txp.chain[1].target_power + txp.chain[1].delta + delta;
-
- gain = min(txp_0, txp_1);
- if (gain < 0) {
- base_power -= gain;
- txp_0 -= gain;
- txp_1 -= gain;
- } else if (gain > 0x2f) {
- base_power -= gain - 0x2f;
- txp_0 = 0x2f;
- txp_1 = 0x2f;
- }
-
- mt76x2_add_rate_power_offset(&t, -base_power);
- dev->target_power = txp.chain[0].target_power;
- dev->target_power_delta[0] = txp_0 - txp.chain[0].target_power;
- dev->target_power_delta[1] = txp_1 - txp.chain[0].target_power;
- dev->rate_power = t;
-
- mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0);
- mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_1, txp_1);
-
- mt76_wr(dev, MT_TX_PWR_CFG_0,
- mt76x2_tx_power_mask(t.cck[0], t.cck[2], t.ofdm[0], t.ofdm[2]));
- mt76_wr(dev, MT_TX_PWR_CFG_1,
- mt76x2_tx_power_mask(t.ofdm[4], t.ofdm[6], t.ht[0], t.ht[2]));
- mt76_wr(dev, MT_TX_PWR_CFG_2,
- mt76x2_tx_power_mask(t.ht[4], t.ht[6], t.ht[8], t.ht[10]));
- mt76_wr(dev, MT_TX_PWR_CFG_3,
- mt76x2_tx_power_mask(t.ht[12], t.ht[14], t.ht[0], t.ht[2]));
- mt76_wr(dev, MT_TX_PWR_CFG_4,
- mt76x2_tx_power_mask(t.ht[4], t.ht[6], 0, 0));
- mt76_wr(dev, MT_TX_PWR_CFG_7,
- mt76x2_tx_power_mask(t.ofdm[6], t.vht[8], t.ht[6], t.vht[8]));
- mt76_wr(dev, MT_TX_PWR_CFG_8,
- mt76x2_tx_power_mask(t.ht[14], t.vht[8], t.vht[8], 0));
- mt76_wr(dev, MT_TX_PWR_CFG_9,
- mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0));
-}
-
static bool
mt76x2_phy_tssi_init_cal(struct mt76x2_dev *dev)
{
@@ -224,140 +77,6 @@ mt76x2_phy_channel_calibrate(struct mt76x2_dev *dev, bool mac_stopped)
dev->cal.channel_cal_done = true;
}
-static void
-mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, enum nl80211_band band)
-{
- u32 pa_mode[2];
- u32 pa_mode_adj;
-
- if (band == NL80211_BAND_2GHZ) {
- pa_mode[0] = 0x010055ff;
- pa_mode[1] = 0x00550055;
-
- mt76_wr(dev, MT_TX_ALC_CFG_2, 0x35160a00);
- mt76_wr(dev, MT_TX_ALC_CFG_3, 0x35160a06);
-
- if (mt76x2_ext_pa_enabled(dev, band)) {
- mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0x0000ec00);
- mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0x0000ec00);
- } else {
- mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0xf4000200);
- mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0xfa000200);
- }
- } else {
- pa_mode[0] = 0x0000ffff;
- pa_mode[1] = 0x00ff00ff;
-
- if (mt76x2_ext_pa_enabled(dev, band)) {
- mt76_wr(dev, MT_TX_ALC_CFG_2, 0x2f0f0400);
- mt76_wr(dev, MT_TX_ALC_CFG_3, 0x2f0f0476);
- } else {
- mt76_wr(dev, MT_TX_ALC_CFG_2, 0x1b0f0400);
- mt76_wr(dev, MT_TX_ALC_CFG_3, 0x1b0f0476);
- }
-
- if (mt76x2_ext_pa_enabled(dev, band))
- pa_mode_adj = 0x04000000;
- else
- pa_mode_adj = 0;
-
- mt76_wr(dev, MT_RF_PA_MODE_ADJ0, pa_mode_adj);
- mt76_wr(dev, MT_RF_PA_MODE_ADJ1, pa_mode_adj);
- }
-
- mt76_wr(dev, MT_BB_PA_MODE_CFG0, pa_mode[0]);
- mt76_wr(dev, MT_BB_PA_MODE_CFG1, pa_mode[1]);
- mt76_wr(dev, MT_RF_PA_MODE_CFG0, pa_mode[0]);
- mt76_wr(dev, MT_RF_PA_MODE_CFG1, pa_mode[1]);
-
- if (mt76x2_ext_pa_enabled(dev, band)) {
- u32 val;
-
- if (band == NL80211_BAND_2GHZ)
- val = 0x3c3c023c;
- else
- val = 0x363c023c;
-
- mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
- mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
- mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00001818);
- } else {
- if (band == NL80211_BAND_2GHZ) {
- u32 val = 0x0f3c3c3c;
-
- mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
- mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
- mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00000606);
- } else {
- mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x383c023c);
- mt76_wr(dev, MT_TX1_RF_GAIN_CORR, 0x24282e28);
- mt76_wr(dev, MT_TX_ALC_CFG_4, 0);
- }
- }
-}
-
-static void
-mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw)
-{
- u32 cfg0, cfg1;
-
- if (mt76x2_ext_pa_enabled(dev, band)) {
- cfg0 = bw ? 0x000b0c01 : 0x00101101;
- cfg1 = 0x00011414;
- } else {
- cfg0 = bw ? 0x000b0b01 : 0x00101001;
- cfg1 = 0x00021414;
- }
- mt76_wr(dev, MT_TX_SW_CFG0, cfg0);
- mt76_wr(dev, MT_TX_SW_CFG1, cfg1);
-
- mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, 15);
-}
-
-static void
-mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl)
-{
- int core_val, agc_val;
-
- switch (width) {
- case NL80211_CHAN_WIDTH_80:
- core_val = 3;
- agc_val = 7;
- break;
- case NL80211_CHAN_WIDTH_40:
- core_val = 2;
- agc_val = 3;
- break;
- default:
- core_val = 0;
- agc_val = 1;
- break;
- }
-
- mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val);
- mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val);
- mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl);
- mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl);
-}
-
-static void
-mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper)
-{
- switch (band) {
- case NL80211_BAND_2GHZ:
- mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
- mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
- break;
- case NL80211_BAND_5GHZ:
- mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
- mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
- break;
- }
-
- mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M,
- primary_upper);
-}
-
void mt76x2_phy_set_antenna(struct mt76x2_dev *dev)
{
u32 val;
@@ -481,53 +200,6 @@ mt76x2_phy_adjust_vga_gain(struct mt76x2_dev *dev)
mt76x2_phy_set_gain_val(dev);
}
-static int
-mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev)
-{
- struct mt76x2_sta *sta;
- struct mt76_wcid *wcid;
- int i, j, min_rssi = 0;
- s8 cur_rssi;
-
- local_bh_disable();
- rcu_read_lock();
-
- for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
- unsigned long mask = dev->wcid_mask[i];
-
- if (!mask)
- continue;
-
- for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) {
- if (!(mask & 1))
- continue;
-
- wcid = rcu_dereference(dev->wcid[j]);
- if (!wcid)
- continue;
-
- sta = container_of(wcid, struct mt76x2_sta, wcid);
- spin_lock(&dev->mt76.rx_lock);
- if (sta->inactive_count++ < 5)
- cur_rssi = ewma_signal_read(&sta->rssi);
- else
- cur_rssi = 0;
- spin_unlock(&dev->mt76.rx_lock);
-
- if (cur_rssi < min_rssi)
- min_rssi = cur_rssi;
- }
- }
-
- rcu_read_unlock();
- local_bh_enable();
-
- if (!min_rssi)
- return -75;
-
- return min_rssi;
-}
-
static void
mt76x2_phy_update_channel_gain(struct mt76x2_dev *dev)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c
new file mode 100644
index 000000000000..9fd6ab4cbb94
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c
@@ -0,0 +1,349 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+#include "mt76x2_eeprom.h"
+
+static void
+mt76x2_adjust_high_lna_gain(struct mt76x2_dev *dev, int reg, s8 offset)
+{
+ s8 gain;
+
+ gain = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
+ gain -= offset / 2;
+ mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_HIGH_GAIN, gain);
+}
+
+static void
+mt76x2_adjust_agc_gain(struct mt76x2_dev *dev, int reg, s8 offset)
+{
+ s8 gain;
+
+ gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
+ gain += offset;
+ mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain);
+}
+
+void mt76x2_apply_gain_adj(struct mt76x2_dev *dev)
+{
+ s8 *gain_adj = dev->cal.rx.high_gain;
+
+ mt76x2_adjust_high_lna_gain(dev, 4, gain_adj[0]);
+ mt76x2_adjust_high_lna_gain(dev, 5, gain_adj[1]);
+
+ mt76x2_adjust_agc_gain(dev, 8, gain_adj[0]);
+ mt76x2_adjust_agc_gain(dev, 9, gain_adj[1]);
+}
+EXPORT_SYMBOL_GPL(mt76x2_apply_gain_adj);
+
+void mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev,
+ enum nl80211_band band)
+{
+ u32 pa_mode[2];
+ u32 pa_mode_adj;
+
+ if (band == NL80211_BAND_2GHZ) {
+ pa_mode[0] = 0x010055ff;
+ pa_mode[1] = 0x00550055;
+
+ mt76_wr(dev, MT_TX_ALC_CFG_2, 0x35160a00);
+ mt76_wr(dev, MT_TX_ALC_CFG_3, 0x35160a06);
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0x0000ec00);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0x0000ec00);
+ } else {
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0xf4000200);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0xfa000200);
+ }
+ } else {
+ pa_mode[0] = 0x0000ffff;
+ pa_mode[1] = 0x00ff00ff;
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ mt76_wr(dev, MT_TX_ALC_CFG_2, 0x2f0f0400);
+ mt76_wr(dev, MT_TX_ALC_CFG_3, 0x2f0f0476);
+ } else {
+ mt76_wr(dev, MT_TX_ALC_CFG_2, 0x1b0f0400);
+ mt76_wr(dev, MT_TX_ALC_CFG_3, 0x1b0f0476);
+ }
+
+ if (mt76x2_ext_pa_enabled(dev, band))
+ pa_mode_adj = 0x04000000;
+ else
+ pa_mode_adj = 0;
+
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, pa_mode_adj);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, pa_mode_adj);
+ }
+
+ mt76_wr(dev, MT_BB_PA_MODE_CFG0, pa_mode[0]);
+ mt76_wr(dev, MT_BB_PA_MODE_CFG1, pa_mode[1]);
+ mt76_wr(dev, MT_RF_PA_MODE_CFG0, pa_mode[0]);
+ mt76_wr(dev, MT_RF_PA_MODE_CFG1, pa_mode[1]);
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ u32 val;
+
+ if (band == NL80211_BAND_2GHZ)
+ val = 0x3c3c023c;
+ else
+ val = 0x363c023c;
+
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00001818);
+ } else {
+ if (band == NL80211_BAND_2GHZ) {
+ u32 val = 0x0f3c3c3c;
+
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00000606);
+ } else {
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x383c023c);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, 0x24282e28);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0);
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(mt76x2_phy_set_txpower_regs);
+
+static void
+mt76x2_limit_rate_power(struct mt76_rate_power *r, int limit)
+{
+ int i;
+
+ for (i = 0; i < sizeof(r->all); i++)
+ if (r->all[i] > limit)
+ r->all[i] = limit;
+}
+
+static u32
+mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4)
+{
+ u32 val = 0;
+
+ val |= (v1 & (BIT(6) - 1)) << 0;
+ val |= (v2 & (BIT(6) - 1)) << 8;
+ val |= (v3 & (BIT(6) - 1)) << 16;
+ val |= (v4 & (BIT(6) - 1)) << 24;
+ return val;
+}
+
+static void
+mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset)
+{
+ int i;
+
+ for (i = 0; i < sizeof(r->all); i++)
+ r->all[i] += offset;
+}
+
+static int
+mt76x2_get_min_rate_power(struct mt76_rate_power *r)
+{
+ int i;
+ s8 ret = 0;
+
+ for (i = 0; i < sizeof(r->all); i++) {
+ if (!r->all[i])
+ continue;
+
+ if (ret)
+ ret = min(ret, r->all[i]);
+ else
+ ret = r->all[i];
+ }
+
+ return ret;
+}
+
+void mt76x2_phy_set_txpower(struct mt76x2_dev *dev)
+{
+ enum nl80211_chan_width width = dev->mt76.chandef.width;
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ struct mt76x2_tx_power_info txp;
+ int txp_0, txp_1, delta = 0;
+ struct mt76_rate_power t = {};
+ int base_power, gain;
+
+ mt76x2_get_power_info(dev, &txp, chan);
+
+ if (width == NL80211_CHAN_WIDTH_40)
+ delta = txp.delta_bw40;
+ else if (width == NL80211_CHAN_WIDTH_80)
+ delta = txp.delta_bw80;
+
+ mt76x2_get_rate_power(dev, &t, chan);
+ mt76x2_add_rate_power_offset(&t, txp.chain[0].target_power);
+ mt76x2_limit_rate_power(&t, dev->txpower_conf);
+ dev->txpower_cur = mt76x2_get_max_rate_power(&t);
+
+ base_power = mt76x2_get_min_rate_power(&t);
+ delta += base_power - txp.chain[0].target_power;
+ txp_0 = txp.chain[0].target_power + txp.chain[0].delta + delta;
+ txp_1 = txp.chain[1].target_power + txp.chain[1].delta + delta;
+
+ gain = min(txp_0, txp_1);
+ if (gain < 0) {
+ base_power -= gain;
+ txp_0 -= gain;
+ txp_1 -= gain;
+ } else if (gain > 0x2f) {
+ base_power -= gain - 0x2f;
+ txp_0 = 0x2f;
+ txp_1 = 0x2f;
+ }
+
+ mt76x2_add_rate_power_offset(&t, -base_power);
+ dev->target_power = txp.chain[0].target_power;
+ dev->target_power_delta[0] = txp_0 - txp.chain[0].target_power;
+ dev->target_power_delta[1] = txp_1 - txp.chain[0].target_power;
+ dev->rate_power = t;
+
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0);
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_1, txp_1);
+
+ mt76_wr(dev, MT_TX_PWR_CFG_0,
+ mt76x2_tx_power_mask(t.cck[0], t.cck[2], t.ofdm[0], t.ofdm[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_1,
+ mt76x2_tx_power_mask(t.ofdm[4], t.ofdm[6], t.ht[0], t.ht[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_2,
+ mt76x2_tx_power_mask(t.ht[4], t.ht[6], t.ht[8], t.ht[10]));
+ mt76_wr(dev, MT_TX_PWR_CFG_3,
+ mt76x2_tx_power_mask(t.ht[12], t.ht[14], t.ht[0], t.ht[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_4,
+ mt76x2_tx_power_mask(t.ht[4], t.ht[6], 0, 0));
+ mt76_wr(dev, MT_TX_PWR_CFG_7,
+ mt76x2_tx_power_mask(t.ofdm[6], t.vht[8], t.ht[6], t.vht[8]));
+ mt76_wr(dev, MT_TX_PWR_CFG_8,
+ mt76x2_tx_power_mask(t.ht[14], t.vht[8], t.vht[8], 0));
+ mt76_wr(dev, MT_TX_PWR_CFG_9,
+ mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0));
+}
+EXPORT_SYMBOL_GPL(mt76x2_phy_set_txpower);
+
+void mt76x2_configure_tx_delay(struct mt76x2_dev *dev,
+ enum nl80211_band band, u8 bw)
+{
+ u32 cfg0, cfg1;
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ cfg0 = bw ? 0x000b0c01 : 0x00101101;
+ cfg1 = 0x00011414;
+ } else {
+ cfg0 = bw ? 0x000b0b01 : 0x00101001;
+ cfg1 = 0x00021414;
+ }
+ mt76_wr(dev, MT_TX_SW_CFG0, cfg0);
+ mt76_wr(dev, MT_TX_SW_CFG1, cfg1);
+
+ mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, 15);
+}
+EXPORT_SYMBOL_GPL(mt76x2_configure_tx_delay);
+
+void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl)
+{
+ int core_val, agc_val;
+
+ switch (width) {
+ case NL80211_CHAN_WIDTH_80:
+ core_val = 3;
+ agc_val = 7;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ core_val = 2;
+ agc_val = 3;
+ break;
+ default:
+ core_val = 0;
+ agc_val = 1;
+ break;
+ }
+
+ mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val);
+ mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val);
+ mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl);
+ mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl);
+}
+EXPORT_SYMBOL_GPL(mt76x2_phy_set_bw);
+
+void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper)
+{
+ switch (band) {
+ case NL80211_BAND_2GHZ:
+ mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
+ mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
+ break;
+ case NL80211_BAND_5GHZ:
+ mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
+ mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
+ break;
+ }
+
+ mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M,
+ primary_upper);
+}
+EXPORT_SYMBOL_GPL(mt76x2_phy_set_band);
+
+int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev)
+{
+ struct mt76x2_sta *sta;
+ struct mt76_wcid *wcid;
+ int i, j, min_rssi = 0;
+ s8 cur_rssi;
+
+ local_bh_disable();
+ rcu_read_lock();
+
+ for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
+ unsigned long mask = dev->wcid_mask[i];
+
+ if (!mask)
+ continue;
+
+ for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) {
+ if (!(mask & 1))
+ continue;
+
+ wcid = rcu_dereference(dev->wcid[j]);
+ if (!wcid)
+ continue;
+
+ sta = container_of(wcid, struct mt76x2_sta, wcid);
+ spin_lock(&dev->mt76.rx_lock);
+ if (sta->inactive_count++ < 5)
+ cur_rssi = ewma_signal_read(&sta->rssi);
+ else
+ cur_rssi = 0;
+ spin_unlock(&dev->mt76.rx_lock);
+
+ if (cur_rssi < min_rssi)
+ min_rssi = cur_rssi;
+ }
+ }
+
+ rcu_read_unlock();
+ local_bh_enable();
+
+ if (!min_rssi)
+ return -75;
+
+ return min_rssi;
+}
+EXPORT_SYMBOL_GPL(mt76x2_phy_get_min_avg_rssi);
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 17/19] mt76: move mt76x2_debugfs in mt76-common module
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (15 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 16/19] mt76: add mt76x2_phy_common " Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 18/19] mt76: add usb support to mt76 layer Lorenzo Bianconi
` (2 subsequent siblings)
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
Move mt76x2_debugfs code in mt76-common module since it is shared
between mt76x2 and mt76x2u
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Makefile | 5 +++--
drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index 5a9f34b14ee4..e1bc229e4aad 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -9,11 +9,12 @@ CFLAGS_trace.o := -I$(src)
mt76x2-common-y := \
mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \
- mt76x2_init_common.o mt76x2_common.o mt76x2_phy_common.o
+ mt76x2_init_common.o mt76x2_common.o mt76x2_phy_common.o \
+ mt76x2_debugfs.o
mt76x2e-y := \
mt76x2_pci.o mt76x2_dma.o \
- mt76x2_main.o mt76x2_init.o mt76x2_debugfs.o mt76x2_tx.o \
+ mt76x2_main.o mt76x2_init.o mt76x2_tx.o \
mt76x2_core.o mt76x2_mac.o mt76x2_mcu.o mt76x2_phy.o \
mt76x2_dfs.o mt76x2_trace.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
index 74725902e6dc..77b5ff1be05f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
@@ -153,3 +153,4 @@ void mt76x2_init_debugfs(struct mt76x2_dev *dev)
debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
}
+EXPORT_SYMBOL_GPL(mt76x2_init_debugfs);
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 18/19] mt76: add usb support to mt76 layer
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (16 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 17/19] mt76: move mt76x2_debugfs in mt76-common module Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 19/19] mt76: add driver code for MT76x2u based devices Lorenzo Bianconi
2018-07-31 9:54 ` [PATCH v2 00/19] add mt76x2u support to mt76 driver Kalle Valo
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
This will be used by drivers for MT76x2u based devices
Tested-by: <cug_yangyuancong@hotmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 4 +
drivers/net/wireless/mediatek/mt76/Makefile | 4 +
drivers/net/wireless/mediatek/mt76/dma.h | 5 +
drivers/net/wireless/mediatek/mt76/mt76.h | 143 ++-
drivers/net/wireless/mediatek/mt76/usb.c | 845 ++++++++++++++++++
drivers/net/wireless/mediatek/mt76/usb_mcu.c | 242 +++++
.../net/wireless/mediatek/mt76/usb_trace.c | 23 +
.../net/wireless/mediatek/mt76/usb_trace.h | 71 ++
8 files changed, 1336 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/usb.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_mcu.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_trace.c
create mode 100644 drivers/net/wireless/mediatek/mt76/usb_trace.h
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index 1e5c6af6afa2..ba17cdd46ea3 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -1,6 +1,10 @@
config MT76_CORE
tristate
+config MT76_USB
+ tristate
+ depends on MT76_CORE
+
config MT76x2_COMMON
tristate
depends on MT76_CORE
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index e1bc229e4aad..de0a4bc235d1 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -1,11 +1,15 @@
obj-$(CONFIG_MT76_CORE) += mt76.o
+obj-$(CONFIG_MT76_USB) += mt76-usb.o
obj-$(CONFIG_MT76x2_COMMON) += mt76x2-common.o
obj-$(CONFIG_MT76x2E) += mt76x2e.o
mt76-y := \
mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o agg-rx.o
+mt76-usb-y := usb.o usb_trace.o usb_mcu.o
+
CFLAGS_trace.o := -I$(src)
+CFLAGS_usb_trace.o := -I$(src)
mt76x2-common-y := \
mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \
diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h
index 14cfb2dbca25..27248e24a19b 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.h
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -53,6 +53,11 @@
#define MT_MCU_MSG_TYPE GENMASK(31, 30)
#define MT_MCU_MSG_TYPE_CMD BIT(30)
+#define MT_DMA_HDR_LEN 4
+#define MT_RX_INFO_LEN 4
+#define MT_FCE_INFO_LEN 4
+#define MT_RX_RXWI_LEN 32
+
struct mt76_desc {
__le32 buf0;
__le32 ctrl;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index ed40d6e66d44..4bf1b35ec44c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -22,6 +22,7 @@
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/leds.h>
+#include <linux/usb.h>
#include <net/mac80211.h>
#include "util.h"
@@ -63,12 +64,22 @@ struct mt76_queue_buf {
int len;
};
+struct mt76u_buf {
+ struct mt76_dev *dev;
+ struct urb *urb;
+ size_t len;
+ bool done;
+};
+
struct mt76_queue_entry {
union {
void *buf;
struct sk_buff *skb;
};
- struct mt76_txwi_cache *txwi;
+ union {
+ struct mt76_txwi_cache *txwi;
+ struct mt76u_buf ubuf;
+ };
bool schedule;
};
@@ -89,6 +100,7 @@ struct mt76_queue {
struct list_head swq;
int swq_queued;
+ u16 first;
u16 head;
u16 tail;
int ndesc;
@@ -195,6 +207,8 @@ enum {
MT76_SCANNING,
MT76_RESET,
MT76_OFFCHANNEL,
+ MT76_REMOVED,
+ MT76_READING_STATS,
};
struct mt76_hw_cap {
@@ -215,6 +229,8 @@ struct mt76_driver_ops {
void (*tx_complete_skb)(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_entry *e, bool flush);
+ bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
+
void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
struct sk_buff *skb);
@@ -234,6 +250,64 @@ struct mt76_sband {
struct mt76_channel_state *chan;
};
+/* addr req mask */
+#define MT_VEND_TYPE_EEPROM BIT(31)
+#define MT_VEND_TYPE_CFG BIT(30)
+#define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
+
+#define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n))
+enum mt_vendor_req {
+ MT_VEND_DEV_MODE = 0x1,
+ MT_VEND_WRITE = 0x2,
+ MT_VEND_MULTI_WRITE = 0x6,
+ MT_VEND_MULTI_READ = 0x7,
+ MT_VEND_READ_EEPROM = 0x9,
+ MT_VEND_WRITE_FCE = 0x42,
+ MT_VEND_WRITE_CFG = 0x46,
+ MT_VEND_READ_CFG = 0x47,
+};
+
+enum mt76u_in_ep {
+ MT_EP_IN_PKT_RX,
+ MT_EP_IN_CMD_RESP,
+ __MT_EP_IN_MAX,
+};
+
+enum mt76u_out_ep {
+ MT_EP_OUT_INBAND_CMD,
+ MT_EP_OUT_AC_BK,
+ MT_EP_OUT_AC_BE,
+ MT_EP_OUT_AC_VI,
+ MT_EP_OUT_AC_VO,
+ MT_EP_OUT_HCCA,
+ __MT_EP_OUT_MAX,
+};
+
+#define MT_SG_MAX_SIZE 8
+#define MT_NUM_TX_ENTRIES 256
+#define MT_NUM_RX_ENTRIES 128
+#define MCU_RESP_URB_SIZE 1024
+struct mt76_usb {
+ struct mutex usb_ctrl_mtx;
+ u8 data[32];
+
+ struct tasklet_struct rx_tasklet;
+ struct tasklet_struct tx_tasklet;
+ struct delayed_work stat_work;
+
+ u8 out_ep[__MT_EP_OUT_MAX];
+ u16 out_max_packet;
+ u8 in_ep[__MT_EP_IN_MAX];
+ u16 in_max_packet;
+
+ struct mt76u_mcu {
+ struct mutex mutex;
+ struct completion cmpl;
+ struct mt76u_buf res;
+ u32 msg_seq;
+ } mcu;
+};
+
struct mt76_dev {
struct ieee80211_hw *hw;
struct cfg80211_chan_def chandef;
@@ -276,6 +350,8 @@ struct mt76_dev {
char led_name[32];
bool led_al;
u8 led_pin;
+
+ struct mt76_usb usb;
};
enum mt76_phy_type {
@@ -407,6 +483,14 @@ static inline int mt76_decr(int val, int size)
return (val - 1) & (size - 1);
}
+/* Hardware uses mirrored order of queues with Q3
+ * having the highest priority
+ */
+static inline u8 q2hwq(u8 q)
+{
+ return q ^ 0x3;
+}
+
static inline struct ieee80211_txq *
mtxq_to_txq(struct mt76_txq *mtxq)
{
@@ -467,4 +551,61 @@ void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
struct napi_struct *napi);
void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
+/* usb */
+static inline bool mt76u_urb_error(struct urb *urb)
+{
+ return urb->status &&
+ urb->status != -ECONNRESET &&
+ urb->status != -ESHUTDOWN &&
+ urb->status != -ENOENT;
+}
+
+/* Map hardware queues to usb endpoints */
+static inline u8 q2ep(u8 qid)
+{
+ /* TODO: take management packets to queue 5 */
+ return qid + 1;
+}
+
+static inline bool mt76u_check_sg(struct mt76_dev *dev)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ return (udev->bus->sg_tablesize > 0 &&
+ (udev->bus->no_sg_constraint ||
+ udev->speed == USB_SPEED_WIRELESS));
+}
+
+int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
+ u8 req_type, u16 val, u16 offset,
+ void *buf, size_t len);
+void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
+ const u16 offset, const u32 val);
+u32 mt76u_rr(struct mt76_dev *dev, u32 addr);
+void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val);
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
+void mt76u_deinit(struct mt76_dev *dev);
+int mt76u_buf_alloc(struct mt76_dev *dev, struct mt76u_buf *buf,
+ int nsgs, int len, int sglen, gfp_t gfp);
+void mt76u_buf_free(struct mt76u_buf *buf);
+int mt76u_submit_buf(struct mt76_dev *dev, int dir, int index,
+ struct mt76u_buf *buf, gfp_t gfp,
+ usb_complete_t complete_fn, void *context);
+int mt76u_submit_rx_buffers(struct mt76_dev *dev);
+int mt76u_alloc_queues(struct mt76_dev *dev);
+void mt76u_stop_queues(struct mt76_dev *dev);
+void mt76u_stop_stat_wk(struct mt76_dev *dev);
+void mt76u_queues_deinit(struct mt76_dev *dev);
+int mt76u_skb_dma_info(struct sk_buff *skb, int port, u32 flags);
+
+int mt76u_mcu_fw_send_data(struct mt76_dev *dev, const void *data,
+ int data_len, u32 max_payload, u32 offset);
+void mt76u_mcu_complete_urb(struct urb *urb);
+struct sk_buff *mt76u_mcu_msg_alloc(const void *data, int len);
+int mt76u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp);
+void mt76u_mcu_fw_reset(struct mt76_dev *dev);
+int mt76u_mcu_init_rx(struct mt76_dev *dev);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
new file mode 100644
index 000000000000..7780b07543bb
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -0,0 +1,845 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76.h"
+#include "usb_trace.h"
+#include "dma.h"
+
+#define MT_VEND_REQ_MAX_RETRY 10
+#define MT_VEND_REQ_TOUT_MS 300
+
+/* should be called with usb_ctrl_mtx locked */
+static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req,
+ u8 req_type, u16 val, u16 offset,
+ void *buf, size_t len)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+ unsigned int pipe;
+ int i, ret;
+
+ pipe = (req_type & USB_DIR_IN) ? usb_rcvctrlpipe(udev, 0)
+ : usb_sndctrlpipe(udev, 0);
+ for (i = 0; i < MT_VEND_REQ_MAX_RETRY; i++) {
+ if (test_bit(MT76_REMOVED, &dev->state))
+ return -EIO;
+
+ ret = usb_control_msg(udev, pipe, req, req_type, val,
+ offset, buf, len, MT_VEND_REQ_TOUT_MS);
+ if (ret == -ENODEV)
+ set_bit(MT76_REMOVED, &dev->state);
+ if (ret >= 0 || ret == -ENODEV)
+ return ret;
+ usleep_range(5000, 10000);
+ }
+
+ dev_err(dev->dev, "vendor request req:%02x off:%04x failed:%d\n",
+ req, offset, ret);
+ return ret;
+}
+
+int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
+ u8 req_type, u16 val, u16 offset,
+ void *buf, size_t len)
+{
+ int ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = __mt76u_vendor_request(dev, req, req_type,
+ val, offset, buf, len);
+ trace_usb_reg_wr(dev, offset, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76u_vendor_request);
+
+/* should be called with usb_ctrl_mtx locked */
+static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr)
+{
+ struct mt76_usb *usb = &dev->usb;
+ u32 data = ~0;
+ u16 offset;
+ int ret;
+ u8 req;
+
+ switch (addr & MT_VEND_TYPE_MASK) {
+ case MT_VEND_TYPE_EEPROM:
+ req = MT_VEND_READ_EEPROM;
+ break;
+ case MT_VEND_TYPE_CFG:
+ req = MT_VEND_READ_CFG;
+ break;
+ default:
+ req = MT_VEND_MULTI_READ;
+ break;
+ }
+ offset = addr & ~MT_VEND_TYPE_MASK;
+
+ ret = __mt76u_vendor_request(dev, req,
+ USB_DIR_IN | USB_TYPE_VENDOR,
+ 0, offset, usb->data, sizeof(__le32));
+ if (ret == sizeof(__le32))
+ data = get_unaligned_le32(usb->data);
+ trace_usb_reg_rr(dev, addr, data);
+
+ return data;
+}
+
+u32 mt76u_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = __mt76u_rr(dev, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+
+/* should be called with usb_ctrl_mtx locked */
+static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ struct mt76_usb *usb = &dev->usb;
+ u16 offset;
+ u8 req;
+
+ switch (addr & MT_VEND_TYPE_MASK) {
+ case MT_VEND_TYPE_CFG:
+ req = MT_VEND_WRITE_CFG;
+ break;
+ default:
+ req = MT_VEND_MULTI_WRITE;
+ break;
+ }
+ offset = addr & ~MT_VEND_TYPE_MASK;
+
+ put_unaligned_le32(val, usb->data);
+ __mt76u_vendor_request(dev, req,
+ USB_DIR_OUT | USB_TYPE_VENDOR, 0,
+ offset, usb->data, sizeof(__le32));
+ trace_usb_reg_wr(dev, addr, val);
+}
+
+void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ __mt76u_wr(dev, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr,
+ u32 mask, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ val |= __mt76u_rr(dev, addr) & ~mask;
+ __mt76u_wr(dev, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return val;
+}
+
+static void mt76u_copy(struct mt76_dev *dev, u32 offset,
+ const void *data, int len)
+{
+ struct mt76_usb *usb = &dev->usb;
+ const u32 *val = data;
+ int i, ret;
+
+ mutex_lock(&usb->usb_ctrl_mtx);
+ for (i = 0; i < (len / 4); i++) {
+ put_unaligned_le32(val[i], usb->data);
+ ret = __mt76u_vendor_request(dev, MT_VEND_MULTI_WRITE,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0, offset + i * 4, usb->data,
+ sizeof(__le32));
+ if (ret < 0)
+ break;
+ }
+ mutex_unlock(&usb->usb_ctrl_mtx);
+}
+
+void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
+ const u16 offset, const u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ __mt76u_vendor_request(dev, req,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ val & 0xffff, offset, NULL, 0);
+ __mt76u_vendor_request(dev, req,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ val >> 16, offset + 2, NULL, 0);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+EXPORT_SYMBOL_GPL(mt76u_single_wr);
+
+static int
+mt76u_set_endpoints(struct usb_interface *intf,
+ struct mt76_usb *usb)
+{
+ struct usb_host_interface *intf_desc = intf->cur_altsetting;
+ struct usb_endpoint_descriptor *ep_desc;
+ int i, in_ep = 0, out_ep = 0;
+
+ for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) {
+ ep_desc = &intf_desc->endpoint[i].desc;
+
+ if (usb_endpoint_is_bulk_in(ep_desc) &&
+ in_ep < __MT_EP_IN_MAX) {
+ usb->in_ep[in_ep] = usb_endpoint_num(ep_desc);
+ usb->in_max_packet = usb_endpoint_maxp(ep_desc);
+ in_ep++;
+ } else if (usb_endpoint_is_bulk_out(ep_desc) &&
+ out_ep < __MT_EP_OUT_MAX) {
+ usb->out_ep[out_ep] = usb_endpoint_num(ep_desc);
+ usb->out_max_packet = usb_endpoint_maxp(ep_desc);
+ out_ep++;
+ }
+ }
+
+ if (in_ep != __MT_EP_IN_MAX || out_ep != __MT_EP_OUT_MAX)
+ return -EINVAL;
+ return 0;
+}
+
+static int
+mt76u_fill_rx_sg(struct mt76_dev *dev, struct mt76u_buf *buf,
+ int nsgs, int len, int sglen)
+{
+ struct urb *urb = buf->urb;
+ int i;
+
+ for (i = 0; i < nsgs; i++) {
+ struct page *page;
+ void *data;
+ int offset;
+
+ data = netdev_alloc_frag(len);
+ if (!data)
+ break;
+
+ page = virt_to_head_page(data);
+ offset = data - page_address(page);
+ sg_set_page(&urb->sg[i], page, sglen, offset);
+ }
+
+ if (i < nsgs) {
+ int j;
+
+ for (j = nsgs; j < urb->num_sgs; j++)
+ skb_free_frag(sg_virt(&urb->sg[j]));
+ urb->num_sgs = i;
+ }
+
+ urb->num_sgs = max_t(int, i, urb->num_sgs);
+ buf->len = urb->num_sgs * sglen,
+ sg_init_marker(urb->sg, urb->num_sgs);
+
+ return i ? : -ENOMEM;
+}
+
+int mt76u_buf_alloc(struct mt76_dev *dev, struct mt76u_buf *buf,
+ int nsgs, int len, int sglen, gfp_t gfp)
+{
+ buf->urb = usb_alloc_urb(0, gfp);
+ if (!buf->urb)
+ return -ENOMEM;
+
+ buf->urb->sg = devm_kzalloc(dev->dev, nsgs * sizeof(*buf->urb->sg),
+ gfp);
+ if (!buf->urb->sg)
+ return -ENOMEM;
+
+ sg_init_table(buf->urb->sg, nsgs);
+ buf->dev = dev;
+
+ return mt76u_fill_rx_sg(dev, buf, nsgs, len, sglen);
+}
+EXPORT_SYMBOL_GPL(mt76u_buf_alloc);
+
+void mt76u_buf_free(struct mt76u_buf *buf)
+{
+ struct urb *urb = buf->urb;
+ int i;
+
+ for (i = 0; i < urb->num_sgs; i++)
+ skb_free_frag(sg_virt(&urb->sg[i]));
+ usb_free_urb(buf->urb);
+}
+EXPORT_SYMBOL_GPL(mt76u_buf_free);
+
+int mt76u_submit_buf(struct mt76_dev *dev, int dir, int index,
+ struct mt76u_buf *buf, gfp_t gfp,
+ usb_complete_t complete_fn, void *context)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+ unsigned int pipe;
+
+ if (dir == USB_DIR_IN)
+ pipe = usb_rcvbulkpipe(udev, dev->usb.in_ep[index]);
+ else
+ pipe = usb_sndbulkpipe(udev, dev->usb.out_ep[index]);
+
+ usb_fill_bulk_urb(buf->urb, udev, pipe, NULL, buf->len,
+ complete_fn, context);
+
+ return usb_submit_urb(buf->urb, gfp);
+}
+EXPORT_SYMBOL_GPL(mt76u_submit_buf);
+
+static inline struct mt76u_buf
+*mt76u_get_next_rx_entry(struct mt76_queue *q)
+{
+ struct mt76u_buf *buf = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&q->lock, flags);
+ if (q->queued > 0) {
+ buf = &q->entry[q->head].ubuf;
+ q->head = (q->head + 1) % q->ndesc;
+ q->queued--;
+ }
+ spin_unlock_irqrestore(&q->lock, flags);
+
+ return buf;
+}
+
+static int mt76u_get_rx_entry_len(u8 *data, u32 data_len)
+{
+ u16 dma_len, min_len;
+
+ dma_len = get_unaligned_le16(data);
+ min_len = MT_DMA_HDR_LEN + MT_RX_RXWI_LEN +
+ MT_FCE_INFO_LEN;
+
+ if (data_len < min_len || WARN_ON(!dma_len) ||
+ WARN_ON(dma_len + MT_DMA_HDR_LEN > data_len) ||
+ WARN_ON(dma_len & 0x3))
+ return -EINVAL;
+ return dma_len;
+}
+
+static int
+mt76u_process_rx_entry(struct mt76_dev *dev, struct urb *urb)
+{
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ u8 *data = sg_virt(&urb->sg[0]);
+ int data_len, len, nsgs = 1;
+ struct sk_buff *skb;
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->state))
+ return 0;
+
+ len = mt76u_get_rx_entry_len(data, urb->actual_length);
+ if (len < 0)
+ return 0;
+
+ skb = build_skb(data, q->buf_size);
+ if (!skb)
+ return 0;
+
+ data_len = min_t(int, len, urb->sg[0].length - MT_DMA_HDR_LEN);
+ skb_reserve(skb, MT_DMA_HDR_LEN);
+ if (skb->tail + data_len > skb->end) {
+ dev_kfree_skb(skb);
+ return 1;
+ }
+
+ __skb_put(skb, data_len);
+ len -= data_len;
+
+ while (len > 0) {
+ data_len = min_t(int, len, urb->sg[nsgs].length);
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
+ sg_page(&urb->sg[nsgs]),
+ urb->sg[nsgs].offset,
+ data_len, q->buf_size);
+ len -= data_len;
+ nsgs++;
+ }
+ dev->drv->rx_skb(dev, MT_RXQ_MAIN, skb);
+
+ return nsgs;
+}
+
+static void mt76u_complete_rx(struct urb *urb)
+{
+ struct mt76_dev *dev = urb->context;
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ unsigned long flags;
+
+ switch (urb->status) {
+ case -ECONNRESET:
+ case -ESHUTDOWN:
+ case -ENOENT:
+ return;
+ default:
+ dev_err(dev->dev, "rx urb failed: %d\n", urb->status);
+ /* fall through */
+ case 0:
+ break;
+ }
+
+ spin_lock_irqsave(&q->lock, flags);
+ if (WARN_ONCE(q->entry[q->tail].ubuf.urb != urb, "rx urb mismatch"))
+ goto out;
+
+ q->tail = (q->tail + 1) % q->ndesc;
+ q->queued++;
+ tasklet_schedule(&dev->usb.rx_tasklet);
+out:
+ spin_unlock_irqrestore(&q->lock, flags);
+}
+
+static void mt76u_rx_tasklet(unsigned long data)
+{
+ struct mt76_dev *dev = (struct mt76_dev *)data;
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ int err, nsgs, buf_len = q->buf_size;
+ struct mt76u_buf *buf;
+
+ rcu_read_lock();
+
+ while (true) {
+ buf = mt76u_get_next_rx_entry(q);
+ if (!buf)
+ break;
+
+ nsgs = mt76u_process_rx_entry(dev, buf->urb);
+ if (nsgs > 0) {
+ err = mt76u_fill_rx_sg(dev, buf, nsgs,
+ buf_len,
+ SKB_WITH_OVERHEAD(buf_len));
+ if (err < 0)
+ break;
+ }
+ mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_PKT_RX,
+ buf, GFP_ATOMIC,
+ mt76u_complete_rx, dev);
+ }
+ mt76_rx_poll_complete(dev, MT_RXQ_MAIN, NULL);
+
+ rcu_read_unlock();
+}
+
+int mt76u_submit_rx_buffers(struct mt76_dev *dev)
+{
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ unsigned long flags;
+ int i, err = 0;
+
+ spin_lock_irqsave(&q->lock, flags);
+ for (i = 0; i < q->ndesc; i++) {
+ err = mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_PKT_RX,
+ &q->entry[i].ubuf, GFP_ATOMIC,
+ mt76u_complete_rx, dev);
+ if (err < 0)
+ break;
+ }
+ q->head = q->tail = 0;
+ q->queued = 0;
+ spin_unlock_irqrestore(&q->lock, flags);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt76u_submit_rx_buffers);
+
+static int mt76u_alloc_rx(struct mt76_dev *dev)
+{
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ int i, err, nsgs;
+
+ spin_lock_init(&q->lock);
+ q->entry = devm_kzalloc(dev->dev,
+ MT_NUM_RX_ENTRIES * sizeof(*q->entry),
+ GFP_KERNEL);
+ if (!q->entry)
+ return -ENOMEM;
+
+ if (mt76u_check_sg(dev)) {
+ q->buf_size = MT_RX_BUF_SIZE;
+ nsgs = MT_SG_MAX_SIZE;
+ } else {
+ q->buf_size = PAGE_SIZE;
+ nsgs = 1;
+ }
+
+ for (i = 0; i < MT_NUM_RX_ENTRIES; i++) {
+ err = mt76u_buf_alloc(dev, &q->entry[i].ubuf,
+ nsgs, q->buf_size,
+ SKB_WITH_OVERHEAD(q->buf_size),
+ GFP_KERNEL);
+ if (err < 0)
+ return err;
+ }
+ q->ndesc = MT_NUM_RX_ENTRIES;
+
+ return mt76u_submit_rx_buffers(dev);
+}
+
+static void mt76u_free_rx(struct mt76_dev *dev)
+{
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ int i;
+
+ for (i = 0; i < q->ndesc; i++)
+ mt76u_buf_free(&q->entry[i].ubuf);
+}
+
+static void mt76u_stop_rx(struct mt76_dev *dev)
+{
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ int i;
+
+ for (i = 0; i < q->ndesc; i++)
+ usb_kill_urb(q->entry[i].ubuf.urb);
+}
+
+int mt76u_skb_dma_info(struct sk_buff *skb, int port, u32 flags)
+{
+ struct sk_buff *iter, *last = skb;
+ u32 info, pad;
+
+ /* Buffer layout:
+ * | 4B | xfer len | pad | 4B |
+ * | TXINFO | pkt/cmd | zero pad to 4B | zero |
+ *
+ * length field of TXINFO should be set to 'xfer len'.
+ */
+ info = FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) |
+ FIELD_PREP(MT_TXD_INFO_DPORT, port) | flags;
+ put_unaligned_le32(info, skb_push(skb, sizeof(info)));
+
+ pad = round_up(skb->len, 4) + 4 - skb->len;
+ skb_walk_frags(skb, iter) {
+ last = iter;
+ if (!iter->next) {
+ skb->data_len += pad;
+ skb->len += pad;
+ break;
+ }
+ }
+
+ if (unlikely(pad)) {
+ if (__skb_pad(last, pad, true))
+ return -ENOMEM;
+ __skb_put(last, pad);
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76u_skb_dma_info);
+
+static void mt76u_tx_tasklet(unsigned long data)
+{
+ struct mt76_dev *dev = (struct mt76_dev *)data;
+ struct mt76u_buf *buf;
+ struct mt76_queue *q;
+ bool wake;
+ int i;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ q = &dev->q_tx[i];
+
+ spin_lock_bh(&q->lock);
+ while (true) {
+ buf = &q->entry[q->head].ubuf;
+ if (!buf->done || !q->queued)
+ break;
+
+ dev->drv->tx_complete_skb(dev, q,
+ &q->entry[q->head],
+ false);
+
+ if (q->entry[q->head].schedule) {
+ q->entry[q->head].schedule = false;
+ q->swq_queued--;
+ }
+
+ q->head = (q->head + 1) % q->ndesc;
+ q->queued--;
+ }
+ mt76_txq_schedule(dev, q);
+ wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
+ if (!q->queued)
+ wake_up(&dev->tx_wait);
+
+ spin_unlock_bh(&q->lock);
+
+ if (!test_and_set_bit(MT76_READING_STATS, &dev->state))
+ ieee80211_queue_delayed_work(dev->hw,
+ &dev->usb.stat_work,
+ msecs_to_jiffies(10));
+
+ if (wake)
+ ieee80211_wake_queue(dev->hw, i);
+ }
+}
+
+static void mt76u_tx_status_data(struct work_struct *work)
+{
+ struct mt76_usb *usb;
+ struct mt76_dev *dev;
+ u8 update = 1;
+ u16 count = 0;
+
+ usb = container_of(work, struct mt76_usb, stat_work.work);
+ dev = container_of(usb, struct mt76_dev, usb);
+
+ while (true) {
+ if (test_bit(MT76_REMOVED, &dev->state))
+ break;
+
+ if (!dev->drv->tx_status_data(dev, &update))
+ break;
+ count++;
+ }
+
+ if (count && test_bit(MT76_STATE_RUNNING, &dev->state))
+ ieee80211_queue_delayed_work(dev->hw, &usb->stat_work,
+ msecs_to_jiffies(10));
+ else
+ clear_bit(MT76_READING_STATS, &dev->state);
+}
+
+static void mt76u_complete_tx(struct urb *urb)
+{
+ struct mt76u_buf *buf = urb->context;
+ struct mt76_dev *dev = buf->dev;
+
+ if (mt76u_urb_error(urb))
+ dev_err(dev->dev, "tx urb failed: %d\n", urb->status);
+ buf->done = true;
+
+ tasklet_schedule(&dev->usb.tx_tasklet);
+}
+
+static int
+mt76u_tx_build_sg(struct sk_buff *skb, struct urb *urb)
+{
+ int nsgs = 1 + skb_shinfo(skb)->nr_frags;
+ struct sk_buff *iter;
+
+ skb_walk_frags(skb, iter)
+ nsgs += 1 + skb_shinfo(iter)->nr_frags;
+
+ memset(urb->sg, 0, sizeof(*urb->sg) * MT_SG_MAX_SIZE);
+
+ nsgs = min_t(int, MT_SG_MAX_SIZE, nsgs);
+ sg_init_marker(urb->sg, nsgs);
+ urb->num_sgs = nsgs;
+
+ return skb_to_sgvec_nomark(skb, urb->sg, 0, skb->len);
+}
+
+static int
+mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+ u8 ep = q2ep(q->hw_idx);
+ struct mt76u_buf *buf;
+ u16 idx = q->tail;
+ unsigned int pipe;
+ int err;
+
+ if (q->queued == q->ndesc)
+ return -ENOSPC;
+
+ err = dev->drv->tx_prepare_skb(dev, NULL, skb, q, wcid, sta, NULL);
+ if (err < 0)
+ return err;
+
+ buf = &q->entry[idx].ubuf;
+ buf->done = false;
+
+ err = mt76u_tx_build_sg(skb, buf->urb);
+ if (err < 0)
+ return err;
+
+ pipe = usb_sndbulkpipe(udev, dev->usb.out_ep[ep]);
+ usb_fill_bulk_urb(buf->urb, udev, pipe, NULL, skb->len,
+ mt76u_complete_tx, buf);
+
+ q->tail = (q->tail + 1) % q->ndesc;
+ q->entry[idx].skb = skb;
+ q->queued++;
+
+ return idx;
+}
+
+static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q)
+{
+ struct mt76u_buf *buf;
+ int err;
+
+ while (q->first != q->tail) {
+ buf = &q->entry[q->first].ubuf;
+ err = usb_submit_urb(buf->urb, GFP_ATOMIC);
+ if (err < 0) {
+ if (err == -ENODEV)
+ set_bit(MT76_REMOVED, &dev->state);
+ else
+ dev_err(dev->dev, "tx urb submit failed:%d\n",
+ err);
+ break;
+ }
+ q->first = (q->first + 1) % q->ndesc;
+ }
+}
+
+static int mt76u_alloc_tx(struct mt76_dev *dev)
+{
+ struct mt76u_buf *buf;
+ struct mt76_queue *q;
+ size_t size;
+ int i, j;
+
+ size = MT_SG_MAX_SIZE * sizeof(struct scatterlist);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ q = &dev->q_tx[i];
+ spin_lock_init(&q->lock);
+ INIT_LIST_HEAD(&q->swq);
+ q->hw_idx = q2hwq(i);
+
+ q->entry = devm_kzalloc(dev->dev,
+ MT_NUM_TX_ENTRIES * sizeof(*q->entry),
+ GFP_KERNEL);
+ if (!q->entry)
+ return -ENOMEM;
+
+ q->ndesc = MT_NUM_TX_ENTRIES;
+ for (j = 0; j < q->ndesc; j++) {
+ buf = &q->entry[j].ubuf;
+ buf->dev = dev;
+
+ buf->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!buf->urb)
+ return -ENOMEM;
+
+ buf->urb->sg = devm_kzalloc(dev->dev, size, GFP_KERNEL);
+ if (!buf->urb->sg)
+ return -ENOMEM;
+ }
+ }
+ return 0;
+}
+
+static void mt76u_free_tx(struct mt76_dev *dev)
+{
+ struct mt76_queue *q;
+ int i, j;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ q = &dev->q_tx[i];
+ for (j = 0; j < q->ndesc; j++)
+ usb_free_urb(q->entry[j].ubuf.urb);
+ }
+}
+
+static void mt76u_stop_tx(struct mt76_dev *dev)
+{
+ struct mt76_queue *q;
+ int i, j;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ q = &dev->q_tx[i];
+ for (j = 0; j < q->ndesc; j++)
+ usb_kill_urb(q->entry[j].ubuf.urb);
+ }
+}
+
+void mt76u_stop_queues(struct mt76_dev *dev)
+{
+ tasklet_disable(&dev->usb.rx_tasklet);
+ tasklet_disable(&dev->usb.tx_tasklet);
+
+ mt76u_stop_rx(dev);
+ mt76u_stop_tx(dev);
+}
+EXPORT_SYMBOL_GPL(mt76u_stop_queues);
+
+void mt76u_stop_stat_wk(struct mt76_dev *dev)
+{
+ cancel_delayed_work_sync(&dev->usb.stat_work);
+ clear_bit(MT76_READING_STATS, &dev->state);
+}
+EXPORT_SYMBOL_GPL(mt76u_stop_stat_wk);
+
+void mt76u_queues_deinit(struct mt76_dev *dev)
+{
+ mt76u_stop_queues(dev);
+
+ mt76u_free_rx(dev);
+ mt76u_free_tx(dev);
+}
+EXPORT_SYMBOL_GPL(mt76u_queues_deinit);
+
+int mt76u_alloc_queues(struct mt76_dev *dev)
+{
+ int err;
+
+ err = mt76u_alloc_rx(dev);
+ if (err < 0)
+ goto err;
+
+ err = mt76u_alloc_tx(dev);
+ if (err < 0)
+ goto err;
+
+ return 0;
+err:
+ mt76u_queues_deinit(dev);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt76u_alloc_queues);
+
+static const struct mt76_queue_ops usb_queue_ops = {
+ .tx_queue_skb = mt76u_tx_queue_skb,
+ .kick = mt76u_tx_kick,
+};
+
+int mt76u_init(struct mt76_dev *dev,
+ struct usb_interface *intf)
+{
+ static const struct mt76_bus_ops mt76u_ops = {
+ .rr = mt76u_rr,
+ .wr = mt76u_wr,
+ .rmw = mt76u_rmw,
+ .copy = mt76u_copy,
+ };
+ struct mt76_usb *usb = &dev->usb;
+
+ tasklet_init(&usb->rx_tasklet, mt76u_rx_tasklet, (unsigned long)dev);
+ tasklet_init(&usb->tx_tasklet, mt76u_tx_tasklet, (unsigned long)dev);
+ INIT_DELAYED_WORK(&usb->stat_work, mt76u_tx_status_data);
+ skb_queue_head_init(&dev->rx_skb[MT_RXQ_MAIN]);
+
+ init_completion(&usb->mcu.cmpl);
+ mutex_init(&usb->mcu.mutex);
+
+ mutex_init(&usb->usb_ctrl_mtx);
+ dev->bus = &mt76u_ops;
+ dev->queue_ops = &usb_queue_ops;
+
+ return mt76u_set_endpoints(intf, usb);
+}
+EXPORT_SYMBOL_GPL(mt76u_init);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/usb_mcu.c
new file mode 100644
index 000000000000..070be803d463
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/usb_mcu.c
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/firmware.h>
+
+#include "mt76.h"
+#include "dma.h"
+
+#define MT_CMD_HDR_LEN 4
+
+#define MT_FCE_DMA_ADDR 0x0230
+#define MT_FCE_DMA_LEN 0x0234
+
+#define MT_TX_CPU_FROM_FCE_CPU_DESC_IDX 0x09a8
+
+struct sk_buff *mt76u_mcu_msg_alloc(const void *data, int len)
+{
+ struct sk_buff *skb;
+
+ skb = alloc_skb(MT_CMD_HDR_LEN + len + 8, GFP_KERNEL);
+ if (!skb)
+ return NULL;
+
+ skb_reserve(skb, MT_CMD_HDR_LEN);
+ skb_put_data(skb, data, len);
+
+ return skb;
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_msg_alloc);
+
+void mt76u_mcu_complete_urb(struct urb *urb)
+{
+ struct completion *cmpl = urb->context;
+
+ complete(cmpl);
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_complete_urb);
+
+static int mt76u_mcu_wait_resp(struct mt76_dev *dev, u8 seq)
+{
+ struct mt76_usb *usb = &dev->usb;
+ struct mt76u_buf *buf = &usb->mcu.res;
+ int i, ret;
+ u32 rxfce;
+
+ for (i = 0; i < 5; i++) {
+ if (!wait_for_completion_timeout(&usb->mcu.cmpl,
+ msecs_to_jiffies(300)))
+ continue;
+
+ if (buf->urb->status)
+ return -EIO;
+
+ rxfce = get_unaligned_le32(sg_virt(&buf->urb->sg[0]));
+ ret = mt76u_submit_buf(dev, USB_DIR_IN,
+ MT_EP_IN_CMD_RESP,
+ buf, GFP_KERNEL,
+ mt76u_mcu_complete_urb,
+ &usb->mcu.cmpl);
+ if (ret)
+ return ret;
+
+ if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce))
+ return 0;
+
+ dev_err(dev->dev, "error: MCU resp evt:%lx seq:%hhx-%lx\n",
+ FIELD_GET(MT_RX_FCE_INFO_EVT_TYPE, rxfce),
+ seq, FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce));
+ }
+
+ dev_err(dev->dev, "error: %s timed out\n", __func__);
+ return -ETIMEDOUT;
+}
+
+int mt76u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct mt76_usb *usb = &dev->usb;
+ unsigned int pipe;
+ int ret, sent;
+ u8 seq = 0;
+ u32 info;
+
+ if (test_bit(MT76_REMOVED, &dev->state))
+ return 0;
+
+ mutex_lock(&usb->mcu.mutex);
+
+ pipe = usb_sndbulkpipe(udev, usb->out_ep[MT_EP_OUT_INBAND_CMD]);
+ if (wait_resp) {
+ seq = ++usb->mcu.msg_seq & 0xf;
+ if (!seq)
+ seq = ++usb->mcu.msg_seq & 0xf;
+ }
+
+ info = FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) |
+ FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) |
+ MT_MCU_MSG_TYPE_CMD;
+ ret = mt76u_skb_dma_info(skb, CPU_TX_PORT, info);
+ if (ret)
+ goto out;
+
+ ret = usb_bulk_msg(udev, pipe, skb->data, skb->len, &sent, 500);
+ if (ret)
+ goto out;
+
+ if (wait_resp)
+ ret = mt76u_mcu_wait_resp(dev, seq);
+
+out:
+ mutex_unlock(&usb->mcu.mutex);
+
+ consume_skb(skb);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_send_msg);
+
+void mt76u_mcu_fw_reset(struct mt76_dev *dev)
+{
+ mt76u_vendor_request(dev, MT_VEND_DEV_MODE,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x1, 0, NULL, 0);
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_fw_reset);
+
+static int
+__mt76u_mcu_fw_send_data(struct mt76_dev *dev, struct mt76u_buf *buf,
+ const void *fw_data, int len, u32 dst_addr)
+{
+ u8 *data = sg_virt(&buf->urb->sg[0]);
+ DECLARE_COMPLETION_ONSTACK(cmpl);
+ __le32 info;
+ u32 val;
+ int err;
+
+ info = cpu_to_le32(FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) |
+ FIELD_PREP(MT_MCU_MSG_LEN, len) |
+ MT_MCU_MSG_TYPE_CMD);
+
+ memcpy(data, &info, sizeof(info));
+ memcpy(data + sizeof(info), fw_data, len);
+ memset(data + sizeof(info) + len, 0, 4);
+
+ mt76u_single_wr(dev, MT_VEND_WRITE_FCE,
+ MT_FCE_DMA_ADDR, dst_addr);
+ len = roundup(len, 4);
+ mt76u_single_wr(dev, MT_VEND_WRITE_FCE,
+ MT_FCE_DMA_LEN, len << 16);
+
+ buf->len = MT_CMD_HDR_LEN + len + sizeof(info);
+ err = mt76u_submit_buf(dev, USB_DIR_OUT,
+ MT_EP_OUT_INBAND_CMD,
+ buf, GFP_KERNEL,
+ mt76u_mcu_complete_urb, &cmpl);
+ if (err < 0)
+ return err;
+
+ if (!wait_for_completion_timeout(&cmpl,
+ msecs_to_jiffies(1000))) {
+ dev_err(dev->dev, "firmware upload timed out\n");
+ usb_kill_urb(buf->urb);
+ return -ETIMEDOUT;
+ }
+
+ if (mt76u_urb_error(buf->urb)) {
+ dev_err(dev->dev, "firmware upload failed: %d\n",
+ buf->urb->status);
+ return buf->urb->status;
+ }
+
+ val = mt76u_rr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX);
+ val++;
+ mt76u_wr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX, val);
+
+ return 0;
+}
+
+int mt76u_mcu_fw_send_data(struct mt76_dev *dev, const void *data,
+ int data_len, u32 max_payload, u32 offset)
+{
+ int err, len, pos = 0, max_len = max_payload - 8;
+ struct mt76u_buf buf;
+
+ err = mt76u_buf_alloc(dev, &buf, 1, max_payload, max_payload,
+ GFP_KERNEL);
+ if (err < 0)
+ return err;
+
+ while (data_len > 0) {
+ len = min_t(int, data_len, max_len);
+ err = __mt76u_mcu_fw_send_data(dev, &buf, data + pos,
+ len, offset + pos);
+ if (err < 0)
+ break;
+
+ data_len -= len;
+ pos += len;
+ usleep_range(5000, 10000);
+ }
+ mt76u_buf_free(&buf);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_fw_send_data);
+
+int mt76u_mcu_init_rx(struct mt76_dev *dev)
+{
+ struct mt76_usb *usb = &dev->usb;
+ int err;
+
+ err = mt76u_buf_alloc(dev, &usb->mcu.res, 1,
+ MCU_RESP_URB_SIZE, MCU_RESP_URB_SIZE,
+ GFP_KERNEL);
+ if (err < 0)
+ return err;
+
+ err = mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP,
+ &usb->mcu.res, GFP_KERNEL,
+ mt76u_mcu_complete_urb,
+ &usb->mcu.cmpl);
+ if (err < 0)
+ mt76u_buf_free(&usb->mcu.res);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt76u_mcu_init_rx);
diff --git a/drivers/net/wireless/mediatek/mt76/usb_trace.c b/drivers/net/wireless/mediatek/mt76/usb_trace.c
new file mode 100644
index 000000000000..7e1f540f0b7a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/usb_trace.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "usb_trace.h"
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/usb_trace.h b/drivers/net/wireless/mediatek/mt76/usb_trace.h
new file mode 100644
index 000000000000..52db7012304a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/usb_trace.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__MT76_USB_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __MT76_USB_TRACE_H
+
+#include <linux/tracepoint.h>
+#include "mt76.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mt76_usb
+
+#define MAXNAME 32
+#define DEV_ENTRY __array(char, wiphy_name, 32)
+#define DEV_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(dev->hw->wiphy), MAXNAME)
+#define DEV_PR_FMT "%s"
+#define DEV_PR_ARG __entry->wiphy_name
+
+#define REG_ENTRY __field(u32, reg) __field(u32, val)
+#define REG_ASSIGN __entry->reg = reg; __entry->val = val
+#define REG_PR_FMT " %04x=%08x"
+#define REG_PR_ARG __entry->reg, __entry->val
+
+DECLARE_EVENT_CLASS(dev_reg_evt,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val),
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ REG_ENTRY
+ ),
+ TP_fast_assign(
+ DEV_ASSIGN;
+ REG_ASSIGN;
+ ),
+ TP_printk(
+ DEV_PR_FMT REG_PR_FMT,
+ DEV_PR_ARG, REG_PR_ARG
+ )
+);
+
+DEFINE_EVENT(dev_reg_evt, usb_reg_rr,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val)
+);
+
+DEFINE_EVENT(dev_reg_evt, usb_reg_wr,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val)
+);
+
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE usb_trace
+
+#include <trace/define_trace.h>
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* [PATCH v2 19/19] mt76: add driver code for MT76x2u based devices
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (17 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 18/19] mt76: add usb support to mt76 layer Lorenzo Bianconi
@ 2018-07-31 8:09 ` Lorenzo Bianconi
2018-07-31 9:54 ` [PATCH v2 00/19] add mt76x2u support to mt76 driver Kalle Valo
19 siblings, 0 replies; 24+ messages in thread
From: Lorenzo Bianconi @ 2018-07-31 8:09 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, sgruszka
MT76x2u is a 2x2 USB 802.11ac chipset by MediaTek. This driver currently
support station mode
Tested-by: <cug_yangyuancong@hotmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 10 +
drivers/net/wireless/mediatek/mt76/Makefile | 5 +
drivers/net/wireless/mediatek/mt76/mt76x2.h | 4 +
.../net/wireless/mediatek/mt76/mt76x2_regs.h | 30 ++
.../net/wireless/mediatek/mt76/mt76x2_usb.c | 142 ++++++
drivers/net/wireless/mediatek/mt76/mt76x2u.h | 83 ++++
.../net/wireless/mediatek/mt76/mt76x2u_core.c | 108 ++++
.../net/wireless/mediatek/mt76/mt76x2u_init.c | 318 ++++++++++++
.../net/wireless/mediatek/mt76/mt76x2u_mac.c | 240 +++++++++
.../net/wireless/mediatek/mt76/mt76x2u_main.c | 185 +++++++
.../net/wireless/mediatek/mt76/mt76x2u_mcu.c | 463 ++++++++++++++++++
.../net/wireless/mediatek/mt76/mt76x2u_phy.c | 303 ++++++++++++
12 files changed, 1891 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_core.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_init.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_main.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index ba17cdd46ea3..69906c733a1c 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -17,3 +17,13 @@ config MT76x2E
depends on PCI
---help---
This adds support for MT7612/MT7602/MT7662-based wireless PCIe devices.
+
+config MT76x2U
+ tristate "MediaTek MT76x2U (USB) support"
+ select MT76_CORE
+ select MT76_USB
+ select MT76x2_COMMON
+ depends on MAC80211
+ depends on USB
+ help
+ This adds support for MT7612U-based wireless USB dongles.
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index de0a4bc235d1..dfe1c1ba60db 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_MT76_CORE) += mt76.o
obj-$(CONFIG_MT76_USB) += mt76-usb.o
obj-$(CONFIG_MT76x2_COMMON) += mt76x2-common.o
obj-$(CONFIG_MT76x2E) += mt76x2e.o
+obj-$(CONFIG_MT76x2U) += mt76x2u.o
mt76-y := \
mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o agg-rx.o
@@ -22,4 +23,8 @@ mt76x2e-y := \
mt76x2_core.o mt76x2_mac.o mt76x2_mcu.o mt76x2_phy.o \
mt76x2_dfs.o mt76x2_trace.o
+mt76x2u-y := \
+ mt76x2_usb.o mt76x2u_init.o mt76x2u_main.o mt76x2u_mac.o \
+ mt76x2u_mcu.o mt76x2u_phy.o mt76x2u_core.o
+
CFLAGS_mt76x2_trace.o := -I$(src)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
index 624ae804395a..dca3209bf5f1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -33,6 +33,9 @@
#define MT7662_ROM_PATCH "mt7662_rom_patch.bin"
#define MT7662_EEPROM_SIZE 512
+#define MT7662U_FIRMWARE "mediatek/mt7662u.bin"
+#define MT7662U_ROM_PATCH "mediatek/mt7662u_rom_patch.bin"
+
#define MT76x2_RX_RING_SIZE 256
#define MT_RX_HEADROOM 32
@@ -55,6 +58,7 @@ struct mt76x2_mcu {
wait_queue_head_t wait;
struct sk_buff_head res_q;
+ struct mt76u_buf res_u;
u32 msg_seq;
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
index b9c334d9e5b8..1551ea453180 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
@@ -75,6 +75,21 @@
#define MT_XO_CTRL7 0x011c
+#define MT_USB_U3DMA_CFG 0x9018
+#define MT_USB_DMA_CFG_RX_BULK_AGG_TOUT GENMASK(7, 0)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_LMT GENMASK(15, 8)
+#define MT_USB_DMA_CFG_UDMA_TX_WL_DROP BIT(16)
+#define MT_USB_DMA_CFG_WAKE_UP_EN BIT(17)
+#define MT_USB_DMA_CFG_RX_DROP_OR_PAD BIT(18)
+#define MT_USB_DMA_CFG_TX_CLR BIT(19)
+#define MT_USB_DMA_CFG_TXOP_HALT BIT(20)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_EN BIT(21)
+#define MT_USB_DMA_CFG_RX_BULK_EN BIT(22)
+#define MT_USB_DMA_CFG_TX_BULK_EN BIT(23)
+#define MT_USB_DMA_CFG_EP_OUT_VALID GENMASK(29, 24)
+#define MT_USB_DMA_CFG_RX_BUSY BIT(30)
+#define MT_USB_DMA_CFG_TX_BUSY BIT(31)
+
#define MT_WLAN_MTC_CTRL 0x10148
#define MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP BIT(0)
#define MT_WLAN_MTC_CTRL_PWR_ACK BIT(12)
@@ -150,6 +165,9 @@
#define MT_TX_HW_QUEUE_MCU 8
#define MT_TX_HW_QUEUE_MGMT 9
+#define MT_US_CYC_CFG 0x02a4
+#define MT_US_CYC_CNT GENMASK(7, 0)
+
#define MT_PBF_SYS_CTRL 0x0400
#define MT_PBF_SYS_CTRL_MCU_RESET BIT(0)
#define MT_PBF_SYS_CTRL_DMA_RESET BIT(1)
@@ -202,6 +220,11 @@
#define MT_FCE_WLAN_FLOW_CONTROL1 0x0824
+#define MT_TX_CPU_FROM_FCE_BASE_PTR 0x09a0
+#define MT_TX_CPU_FROM_FCE_MAX_COUNT 0x09a4
+#define MT_FCE_PDMA_GLOBAL_CONF 0x09c4
+#define MT_FCE_SKIP_FS 0x0a6c
+
#define MT_PAUSE_ENABLE_CONTROL1 0x0a38
#define MT_MAC_CSR0 0x1000
@@ -214,6 +237,7 @@
#define MT_MAC_ADDR_DW0 0x1008
#define MT_MAC_ADDR_DW1 0x100c
+#define MT_MAC_ADDR_DW1_U2ME_MASK GENMASK(23, 16)
#define MT_MAC_BSSID_DW0 0x1010
#define MT_MAC_BSSID_DW1 0x1014
@@ -351,6 +375,7 @@
#define MT_TX_TIMEOUT_CFG_ACKTO GENMASK(15, 8)
#define MT_TX_RETRY_CFG 0x134c
+#define MT_TX_LINK_CFG 0x1350
#define MT_VHT_HT_FBK_CFG1 0x1358
#define MT_PROT_CFG_RATE GENMASK(15, 0)
@@ -425,6 +450,7 @@
#define MT_RX_FILTR_CFG_BAR BIT(15)
#define MT_RX_FILTR_CFG_CTRL_RSV BIT(16)
+#define MT_AUTO_RSP_CFG 0x1404
#define MT_LEGACY_BASIC_RATE 0x1408
#define MT_HT_BASIC_RATE 0x140c
@@ -460,6 +486,10 @@
#define MT_RX_STAT_2_DUP_ERRORS GENMASK(15, 0)
#define MT_RX_STAT_2_OVERFLOW_ERRORS GENMASK(31, 16)
+#define MT_TX_STA_0 0x170c
+#define MT_TX_STA_1 0x1710
+#define MT_TX_STA_2 0x1714
+
#define MT_TX_STAT_FIFO 0x1718
#define MT_TX_STAT_FIFO_VALID BIT(0)
#define MT_TX_STAT_FIFO_SUCCESS BIT(5)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
new file mode 100644
index 000000000000..1428cfdee579
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "mt76x2u.h"
+
+static const struct usb_device_id mt76x2u_device_table[] = {
+ { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */
+ { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */
+ { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */
+ { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */
+ { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
+ { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
+ { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
+ { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
+ { },
+};
+
+static int mt76x2u_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct mt76x2_dev *dev;
+ int err;
+
+ dev = mt76x2u_alloc_device(&intf->dev);
+ if (!dev)
+ return -ENOMEM;
+
+ udev = usb_get_dev(udev);
+ usb_reset_device(udev);
+
+ err = mt76u_init(&dev->mt76, intf);
+ if (err < 0)
+ goto err;
+
+ dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
+ dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
+
+ err = mt76x2u_register_device(dev);
+ if (err < 0)
+ goto err;
+
+ return 0;
+
+err:
+ ieee80211_free_hw(mt76_hw(dev));
+ usb_set_intfdata(intf, NULL);
+ usb_put_dev(udev);
+
+ return err;
+}
+
+static void mt76x2u_disconnect(struct usb_interface *intf)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct mt76x2_dev *dev = usb_get_intfdata(intf);
+ struct ieee80211_hw *hw = mt76_hw(dev);
+
+ set_bit(MT76_REMOVED, &dev->mt76.state);
+ ieee80211_unregister_hw(hw);
+ mt76x2u_cleanup(dev);
+
+ ieee80211_free_hw(hw);
+ usb_set_intfdata(intf, NULL);
+ usb_put_dev(udev);
+}
+
+static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
+ pm_message_t state)
+{
+ struct mt76x2_dev *dev = usb_get_intfdata(intf);
+ struct mt76_usb *usb = &dev->mt76.usb;
+
+ mt76u_stop_queues(&dev->mt76);
+ mt76x2u_stop_hw(dev);
+ usb_kill_urb(usb->mcu.res.urb);
+
+ return 0;
+}
+
+static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
+{
+ struct mt76x2_dev *dev = usb_get_intfdata(intf);
+ struct mt76_usb *usb = &dev->mt76.usb;
+ int err;
+
+ reinit_completion(&usb->mcu.cmpl);
+ err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
+ MT_EP_IN_CMD_RESP,
+ &usb->mcu.res, GFP_KERNEL,
+ mt76u_mcu_complete_urb,
+ &usb->mcu.cmpl);
+ if (err < 0)
+ return err;
+
+ err = mt76u_submit_rx_buffers(&dev->mt76);
+ if (err < 0)
+ return err;
+
+ tasklet_enable(&usb->rx_tasklet);
+ tasklet_enable(&usb->tx_tasklet);
+
+ return mt76x2u_init_hardware(dev);
+}
+
+MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
+MODULE_FIRMWARE(MT7662U_FIRMWARE);
+MODULE_FIRMWARE(MT7662U_ROM_PATCH);
+
+static struct usb_driver mt76x2u_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt76x2u_device_table,
+ .probe = mt76x2u_probe,
+ .disconnect = mt76x2u_disconnect,
+#ifdef CONFIG_PM
+ .suspend = mt76x2u_suspend,
+ .resume = mt76x2u_resume,
+ .reset_resume = mt76x2u_resume,
+#endif /* CONFIG_PM */
+ .soft_unbind = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+module_usb_driver(mt76x2u_driver);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u.h b/drivers/net/wireless/mediatek/mt76/mt76x2u.h
new file mode 100644
index 000000000000..008092f0cd8a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2U_H
+#define __MT76x2U_H
+
+#include <linux/device.h>
+
+#include "mt76x2.h"
+#include "mt76x2_dma.h"
+#include "mt76x2_mcu.h"
+
+#define MT7612U_EEPROM_SIZE 512
+
+#define MT_USB_AGGR_SIZE_LIMIT 21 /* 1024B unit */
+#define MT_USB_AGGR_TIMEOUT 0x80 /* 33ns unit */
+
+extern const struct ieee80211_ops mt76x2u_ops;
+
+struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev);
+int mt76x2u_register_device(struct mt76x2_dev *dev);
+int mt76x2u_init_hardware(struct mt76x2_dev *dev);
+void mt76x2u_cleanup(struct mt76x2_dev *dev);
+void mt76x2u_stop_hw(struct mt76x2_dev *dev);
+
+void mt76x2u_mac_setaddr(struct mt76x2_dev *dev, u8 *addr);
+int mt76x2u_mac_reset(struct mt76x2_dev *dev);
+void mt76x2u_mac_resume(struct mt76x2_dev *dev);
+int mt76x2u_mac_start(struct mt76x2_dev *dev);
+int mt76x2u_mac_stop(struct mt76x2_dev *dev);
+
+int mt76x2u_phy_set_channel(struct mt76x2_dev *dev,
+ struct cfg80211_chan_def *chandef);
+void mt76x2u_phy_calibrate(struct work_struct *work);
+void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev);
+void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev);
+void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev);
+
+void mt76x2u_mcu_complete_urb(struct urb *urb);
+int mt76x2u_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
+ u8 bw_index, bool scan);
+int mt76x2u_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
+ u32 val);
+int mt76x2u_mcu_tssi_comp(struct mt76x2_dev *dev,
+ struct mt76x2_tssi_comp *tssi_data);
+int mt76x2u_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain,
+ bool force);
+int mt76x2u_mcu_set_dynamic_vga(struct mt76x2_dev *dev, u8 channel, bool ap,
+ bool ext, int rssi, u32 false_cca);
+int mt76x2u_mcu_set_radio_state(struct mt76x2_dev *dev, bool val);
+int mt76x2u_mcu_load_cr(struct mt76x2_dev *dev, u8 type,
+ u8 temp_level, u8 channel);
+int mt76x2u_mcu_init(struct mt76x2_dev *dev);
+int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev);
+void mt76x2u_mcu_deinit(struct mt76x2_dev *dev);
+
+int mt76x2u_alloc_queues(struct mt76x2_dev *dev);
+void mt76x2u_queues_deinit(struct mt76x2_dev *dev);
+void mt76x2u_stop_queues(struct mt76x2_dev *dev);
+bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update);
+int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
+ struct sk_buff *skb, struct mt76_queue *q,
+ struct mt76_wcid *wcid, struct ieee80211_sta *sta,
+ u32 *tx_info);
+void mt76x2u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
+ struct mt76_queue_entry *e, bool flush);
+int mt76x2u_skb_dma_info(struct sk_buff *skb, enum dma_msg_port port,
+ u32 flags);
+
+#endif /* __MT76x2U_H */
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c
new file mode 100644
index 000000000000..1ca5dd05b265
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2u.h"
+#include "dma.h"
+
+static void mt76x2u_remove_dma_hdr(struct sk_buff *skb)
+{
+ int hdr_len;
+
+ skb_pull(skb, sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN);
+ hdr_len = ieee80211_get_hdrlen_from_skb(skb);
+ if (hdr_len % 4) {
+ memmove(skb->data + 2, skb->data, hdr_len);
+ skb_pull(skb, 2);
+ }
+}
+
+static int
+mt76x2u_check_skb_rooms(struct sk_buff *skb)
+{
+ int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
+ u32 need_head;
+
+ need_head = sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN;
+ if (hdr_len % 4)
+ need_head += 2;
+ return skb_cow(skb, need_head);
+}
+
+static int
+mt76x2u_set_txinfo(struct sk_buff *skb,
+ struct mt76_wcid *wcid, u8 ep)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ enum mt76x2_qsel qsel;
+ u32 flags;
+
+ if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
+ ep == MT_EP_OUT_HCCA)
+ qsel = MT_QSEL_MGMT;
+ else
+ qsel = MT_QSEL_EDCA;
+
+ flags = FIELD_PREP(MT_TXD_INFO_QSEL, qsel) |
+ MT_TXD_INFO_80211;
+ if (!wcid || wcid->hw_key_idx == 0xff || wcid->sw_iv)
+ flags |= MT_TXD_INFO_WIV;
+
+ return mt76u_skb_dma_info(skb, WLAN_PORT, flags);
+}
+
+bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ struct mt76x2_tx_status stat;
+
+ if (!mt76x2_mac_load_tx_status(dev, &stat))
+ return false;
+
+ mt76x2_send_tx_status(dev, &stat, update);
+
+ return true;
+}
+
+int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
+ struct sk_buff *skb, struct mt76_queue *q,
+ struct mt76_wcid *wcid, struct ieee80211_sta *sta,
+ u32 *tx_info)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ struct mt76x2_txwi *txwi;
+ int err, len = skb->len;
+
+ err = mt76x2u_check_skb_rooms(skb);
+ if (err < 0)
+ return -ENOMEM;
+
+ mt76x2_insert_hdr_pad(skb);
+
+ txwi = skb_push(skb, sizeof(struct mt76x2_txwi));
+ mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
+
+ return mt76x2u_set_txinfo(skb, wcid, q2ep(q->hw_idx));
+}
+
+void mt76x2u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
+ struct mt76_queue_entry *e, bool flush)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+ mt76x2u_remove_dma_hdr(e->skb);
+ mt76x2_tx_complete(dev, e->skb);
+}
+
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c
new file mode 100644
index 000000000000..9b81e7641c06
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c
@@ -0,0 +1,318 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+
+#include "mt76x2u.h"
+#include "mt76x2_eeprom.h"
+
+static void mt76x2u_init_dma(struct mt76x2_dev *dev)
+{
+ u32 val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG));
+
+ val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD |
+ MT_USB_DMA_CFG_RX_BULK_EN |
+ MT_USB_DMA_CFG_TX_BULK_EN;
+
+ /* disable AGGR_BULK_RX in order to receive one
+ * frame in each rx urb and avoid copies
+ */
+ val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN;
+ mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val);
+}
+
+static void mt76x2u_power_on_rf_patch(struct mt76x2_dev *dev)
+{
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(0) | BIT(16));
+ udelay(1);
+
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x1c), 0xff);
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x1c), 0x30);
+
+ mt76_wr(dev, MT_VEND_ADDR(CFG, 0x14), 0x484f);
+ udelay(1);
+
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(17));
+ usleep_range(150, 200);
+
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x130), BIT(16));
+ usleep_range(50, 100);
+
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x14c), BIT(19) | BIT(20));
+}
+
+static void mt76x2u_power_on_rf(struct mt76x2_dev *dev, int unit)
+{
+ int shift = unit ? 8 : 0;
+ u32 val = (BIT(1) | BIT(3) | BIT(4) | BIT(5)) << shift;
+
+ /* Enable RF BG */
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(0) << shift);
+ usleep_range(10, 20);
+
+ /* Enable RFDIG LDO/AFE/ABB/ADDA */
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), val);
+ usleep_range(10, 20);
+
+ /* Switch RFDIG power to internal LDO */
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x130), BIT(2) << shift);
+ usleep_range(10, 20);
+
+ mt76x2u_power_on_rf_patch(dev);
+
+ mt76_set(dev, 0x530, 0xf);
+}
+
+static void mt76x2u_power_on(struct mt76x2_dev *dev)
+{
+ u32 val;
+
+ /* Turn on WL MTCMOS */
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x148),
+ MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP);
+
+ val = MT_WLAN_MTC_CTRL_STATE_UP |
+ MT_WLAN_MTC_CTRL_PWR_ACK |
+ MT_WLAN_MTC_CTRL_PWR_ACK_S;
+
+ mt76_poll(dev, MT_VEND_ADDR(CFG, 0x148), val, val, 1000);
+
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0x7f << 16);
+ usleep_range(10, 20);
+
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0xf << 24);
+ usleep_range(10, 20);
+
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x148), 0xf << 24);
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0xfff);
+
+ /* Turn on AD/DA power down */
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x1204), BIT(3));
+
+ /* WLAN function enable */
+ mt76_set(dev, MT_VEND_ADDR(CFG, 0x80), BIT(0));
+
+ /* Release BBP software reset */
+ mt76_clear(dev, MT_VEND_ADDR(CFG, 0x64), BIT(18));
+
+ mt76x2u_power_on_rf(dev, 0);
+ mt76x2u_power_on_rf(dev, 1);
+}
+
+static int mt76x2u_init_eeprom(struct mt76x2_dev *dev)
+{
+ u32 val, i;
+
+ dev->mt76.eeprom.data = devm_kzalloc(dev->mt76.dev,
+ MT7612U_EEPROM_SIZE,
+ GFP_KERNEL);
+ dev->mt76.eeprom.size = MT7612U_EEPROM_SIZE;
+ if (!dev->mt76.eeprom.data)
+ return -ENOMEM;
+
+ for (i = 0; i + 4 <= MT7612U_EEPROM_SIZE; i += 4) {
+ val = mt76_rr(dev, MT_VEND_ADDR(EEPROM, i));
+ put_unaligned_le32(val, dev->mt76.eeprom.data + i);
+ }
+
+ mt76x2_eeprom_parse_hw_cap(dev);
+ return 0;
+}
+
+struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ .tx_prepare_skb = mt76x2u_tx_prepare_skb,
+ .tx_complete_skb = mt76x2u_tx_complete_skb,
+ .tx_status_data = mt76x2u_tx_status_data,
+ .rx_skb = mt76x2_queue_rx_skb,
+ };
+ struct mt76x2_dev *dev;
+ struct mt76_dev *mdev;
+
+ mdev = mt76_alloc_device(sizeof(*dev), &mt76x2u_ops);
+ if (!mdev)
+ return NULL;
+
+ dev = container_of(mdev, struct mt76x2_dev, mt76);
+ mdev->dev = pdev;
+ mdev->drv = &drv_ops;
+
+ mutex_init(&dev->mutex);
+
+ return dev;
+}
+
+static void mt76x2u_init_beacon_offsets(struct mt76x2_dev *dev)
+{
+ mt76_wr(dev, MT_BCN_OFFSET(0), 0x18100800);
+ mt76_wr(dev, MT_BCN_OFFSET(1), 0x38302820);
+ mt76_wr(dev, MT_BCN_OFFSET(2), 0x58504840);
+ mt76_wr(dev, MT_BCN_OFFSET(3), 0x78706860);
+}
+
+int mt76x2u_init_hardware(struct mt76x2_dev *dev)
+{
+ static const u16 beacon_offsets[] = {
+ /* 512 byte per beacon */
+ 0xc000, 0xc200, 0xc400, 0xc600,
+ 0xc800, 0xca00, 0xcc00, 0xce00,
+ 0xd000, 0xd200, 0xd400, 0xd600,
+ 0xd800, 0xda00, 0xdc00, 0xde00
+ };
+ const struct mt76_wcid_addr addr = {
+ .macaddr = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+ .ba_mask = 0,
+ };
+ int i, err;
+
+ dev->beacon_offsets = beacon_offsets;
+
+ mt76x2_reset_wlan(dev, true);
+ mt76x2u_power_on(dev);
+
+ if (!mt76x2_wait_for_mac(dev))
+ return -ETIMEDOUT;
+
+ err = mt76x2u_mcu_fw_init(dev);
+ if (err < 0)
+ return err;
+
+ if (!mt76_poll_msec(dev, MT_WPDMA_GLO_CFG,
+ MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+ MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 100))
+ return -EIO;
+
+ /* wait for asic ready after fw load. */
+ if (!mt76x2_wait_for_mac(dev))
+ return -ETIMEDOUT;
+
+ mt76_wr(dev, MT_HEADER_TRANS_CTRL_REG, 0);
+ mt76_wr(dev, MT_TSO_CTRL, 0);
+
+ mt76x2u_init_dma(dev);
+
+ err = mt76x2u_mcu_init(dev);
+ if (err < 0)
+ return err;
+
+ err = mt76x2u_mac_reset(dev);
+ if (err < 0)
+ return err;
+
+ mt76x2u_mac_setaddr(dev, dev->mt76.eeprom.data + MT_EE_MAC_ADDR);
+ dev->rxfilter = mt76_rr(dev, MT_RX_FILTR_CFG);
+
+ mt76x2u_init_beacon_offsets(dev);
+
+ if (!mt76x2_wait_for_bbp(dev))
+ return -ETIMEDOUT;
+
+ /* reset wcid table */
+ for (i = 0; i < 254; i++)
+ mt76_wr_copy(dev, MT_WCID_ADDR(i), &addr,
+ sizeof(struct mt76_wcid_addr));
+
+ /* reset shared key table and pairwise key table */
+ for (i = 0; i < 4; i++)
+ mt76_wr(dev, MT_SKEY_MODE_BASE_0 + 4 * i, 0);
+ for (i = 0; i < 256; i++)
+ mt76_wr(dev, MT_WCID_ATTR(i), 1);
+
+ mt76_clear(dev, MT_BEACON_TIME_CFG,
+ MT_BEACON_TIME_CFG_TIMER_EN |
+ MT_BEACON_TIME_CFG_SYNC_MODE |
+ MT_BEACON_TIME_CFG_TBTT_EN |
+ MT_BEACON_TIME_CFG_BEACON_TX);
+
+ mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
+ mt76_wr(dev, MT_TXOP_CTRL_CFG, 0x583f);
+
+ err = mt76x2u_mcu_load_cr(dev, MT_RF_BBP_CR, 0, 0);
+ if (err < 0)
+ return err;
+
+ mt76x2u_phy_set_rxpath(dev);
+ mt76x2u_phy_set_txdac(dev);
+
+ return mt76x2u_mac_stop(dev);
+}
+
+int mt76x2u_register_device(struct mt76x2_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ struct wiphy *wiphy = hw->wiphy;
+ int err;
+
+ INIT_DELAYED_WORK(&dev->cal_work, mt76x2u_phy_calibrate);
+ mt76x2_init_device(dev);
+
+ err = mt76x2u_init_eeprom(dev);
+ if (err < 0)
+ return err;
+
+ err = mt76u_mcu_init_rx(&dev->mt76);
+ if (err < 0)
+ return err;
+
+ err = mt76u_alloc_queues(&dev->mt76);
+ if (err < 0)
+ goto fail;
+
+ err = mt76x2u_init_hardware(dev);
+ if (err < 0)
+ goto fail;
+
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+ err = mt76_register_device(&dev->mt76, true, mt76x2_rates,
+ ARRAY_SIZE(mt76x2_rates));
+ if (err)
+ goto fail;
+
+ /* check hw sg support in order to enable AMSDU */
+ if (mt76u_check_sg(&dev->mt76))
+ hw->max_tx_fragments = MT_SG_MAX_SIZE;
+ else
+ hw->max_tx_fragments = 1;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
+
+ mt76x2_init_debugfs(dev);
+ mt76x2_init_txpower(dev, &dev->mt76.sband_2g.sband);
+ mt76x2_init_txpower(dev, &dev->mt76.sband_5g.sband);
+
+ return 0;
+
+fail:
+ mt76x2u_cleanup(dev);
+ return err;
+}
+
+void mt76x2u_stop_hw(struct mt76x2_dev *dev)
+{
+ mt76u_stop_stat_wk(&dev->mt76);
+ cancel_delayed_work_sync(&dev->cal_work);
+ mt76x2u_mac_stop(dev);
+}
+
+void mt76x2u_cleanup(struct mt76x2_dev *dev)
+{
+ mt76x2u_mcu_set_radio_state(dev, false);
+ mt76x2u_stop_hw(dev);
+ mt76u_queues_deinit(&dev->mt76);
+ mt76x2u_mcu_deinit(dev);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c
new file mode 100644
index 000000000000..eab7ab297aa6
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2u.h"
+#include "mt76x2_eeprom.h"
+
+static void mt76x2u_mac_reset_counters(struct mt76x2_dev *dev)
+{
+ mt76_rr(dev, MT_RX_STAT_0);
+ mt76_rr(dev, MT_RX_STAT_1);
+ mt76_rr(dev, MT_RX_STAT_2);
+ mt76_rr(dev, MT_TX_STA_0);
+ mt76_rr(dev, MT_TX_STA_1);
+ mt76_rr(dev, MT_TX_STA_2);
+}
+
+static void mt76x2u_mac_fixup_xtal(struct mt76x2_dev *dev)
+{
+ s8 offset = 0;
+ u16 eep_val;
+
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_2);
+
+ offset = eep_val & 0x7f;
+ if ((eep_val & 0xff) == 0xff)
+ offset = 0;
+ else if (eep_val & 0x80)
+ offset = 0 - offset;
+
+ eep_val >>= 8;
+ if (eep_val == 0x00 || eep_val == 0xff) {
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_1);
+ eep_val &= 0xff;
+
+ if (eep_val == 0x00 || eep_val == 0xff)
+ eep_val = 0x14;
+ }
+
+ eep_val &= 0x7f;
+ mt76_rmw_field(dev, MT_VEND_ADDR(CFG, MT_XO_CTRL5),
+ MT_XO_CTRL5_C2_VAL, eep_val + offset);
+ mt76_set(dev, MT_VEND_ADDR(CFG, MT_XO_CTRL6), MT_XO_CTRL6_C2_CTRL);
+
+ mt76_wr(dev, 0x504, 0x06000000);
+ mt76_wr(dev, 0x50c, 0x08800000);
+ mdelay(5);
+ mt76_wr(dev, 0x504, 0x0);
+
+ /* decrease SIFS from 16us to 13us */
+ mt76_rmw_field(dev, MT_XIFS_TIME_CFG,
+ MT_XIFS_TIME_CFG_OFDM_SIFS, 0xd);
+ mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, MT_BKOFF_SLOT_CFG_CC_DELAY, 1);
+
+ /* init fce */
+ mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
+
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_2);
+ switch (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, eep_val)) {
+ case 0:
+ mt76_wr(dev, MT_XO_CTRL7, 0x5c1fee80);
+ break;
+ case 1:
+ mt76_wr(dev, MT_XO_CTRL7, 0x5c1feed0);
+ break;
+ default:
+ break;
+ }
+}
+
+int mt76x2u_mac_reset(struct mt76x2_dev *dev)
+{
+ mt76_wr(dev, MT_WPDMA_GLO_CFG, BIT(4) | BIT(5));
+
+ /* init pbf regs */
+ mt76_wr(dev, MT_PBF_TX_MAX_PCNT, 0xefef3f1f);
+ mt76_wr(dev, MT_PBF_RX_MAX_PCNT, 0xfebf);
+
+ mt76_write_mac_initvals(dev);
+
+ mt76_wr(dev, MT_TX_LINK_CFG, 0x1020);
+ mt76_wr(dev, MT_AUTO_RSP_CFG, 0x13);
+ mt76_wr(dev, MT_MAX_LEN_CFG, 0x2f00);
+ mt76_wr(dev, MT_TX_RTS_CFG, 0x92b20);
+
+ mt76_wr(dev, MT_WMM_AIFSN, 0x2273);
+ mt76_wr(dev, MT_WMM_CWMIN, 0x2344);
+ mt76_wr(dev, MT_WMM_CWMAX, 0x34aa);
+
+ mt76_clear(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_RESET_CSR |
+ MT_MAC_SYS_CTRL_RESET_BBP);
+
+ if (is_mt7612(dev))
+ mt76_clear(dev, MT_COEXCFG0, MT_COEXCFG0_COEX_EN);
+
+ mt76_set(dev, MT_EXT_CCA_CFG, 0xf000);
+ mt76_clear(dev, MT_TX_ALC_CFG_4, BIT(31));
+
+ mt76x2u_mac_fixup_xtal(dev);
+
+ return 0;
+}
+
+int mt76x2u_mac_start(struct mt76x2_dev *dev)
+{
+ mt76x2u_mac_reset_counters(dev);
+
+ mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX);
+ wait_for_wpdma(dev);
+ usleep_range(50, 100);
+
+ mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+ mt76_wr(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_TX |
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+
+ return 0;
+}
+
+int mt76x2u_mac_stop(struct mt76x2_dev *dev)
+{
+ int i, count = 0, val;
+ bool stopped = false;
+ u32 rts_cfg;
+
+ if (test_bit(MT76_REMOVED, &dev->mt76.state))
+ return -EIO;
+
+ rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG);
+ mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT);
+
+ mt76_clear(dev, MT_TXOP_CTRL_CFG, BIT(20));
+ mt76_clear(dev, MT_TXOP_HLDR_ET, BIT(1));
+
+ /* wait tx dma to stop */
+ for (i = 0; i < 2000; i++) {
+ val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG));
+ if (!(val & MT_USB_DMA_CFG_TX_BUSY) && i > 10)
+ break;
+ usleep_range(50, 100);
+ }
+
+ /* page count on TxQ */
+ for (i = 0; i < 200; i++) {
+ if (!(mt76_rr(dev, 0x0438) & 0xffffffff) &&
+ !(mt76_rr(dev, 0x0a30) & 0x000000ff) &&
+ !(mt76_rr(dev, 0x0a34) & 0xff00ff00))
+ break;
+ usleep_range(10, 20);
+ }
+
+ /* disable tx-rx */
+ mt76_clear(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_RX |
+ MT_MAC_SYS_CTRL_ENABLE_TX);
+
+ /* Wait for MAC to become idle */
+ for (i = 0; i < 1000; i++) {
+ if (!(mt76_rr(dev, MT_MAC_STATUS) & MT_MAC_STATUS_TX) &&
+ !mt76_rr(dev, MT_BBP(IBI, 12))) {
+ stopped = true;
+ break;
+ }
+ usleep_range(10, 20);
+ }
+
+ if (!stopped) {
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(1));
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(1));
+
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
+ }
+
+ /* page count on RxQ */
+ for (i = 0; i < 200; i++) {
+ if (!(mt76_rr(dev, 0x0430) & 0x00ff0000) &&
+ !(mt76_rr(dev, 0x0a30) & 0xffffffff) &&
+ !(mt76_rr(dev, 0x0a34) & 0xffffffff) &&
+ ++count > 10)
+ break;
+ msleep(50);
+ }
+
+ if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_RX, 0, 2000))
+ dev_warn(dev->mt76.dev, "MAC RX failed to stop\n");
+
+ /* wait rx dma to stop */
+ for (i = 0; i < 2000; i++) {
+ val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG));
+ if (!(val & MT_USB_DMA_CFG_RX_BUSY) && i > 10)
+ break;
+ usleep_range(50, 100);
+ }
+
+ mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg);
+
+ return 0;
+}
+
+void mt76x2u_mac_resume(struct mt76x2_dev *dev)
+{
+ mt76_wr(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_TX |
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+ mt76_set(dev, MT_TXOP_CTRL_CFG, BIT(20));
+ mt76_set(dev, MT_TXOP_HLDR_ET, BIT(1));
+}
+
+void mt76x2u_mac_setaddr(struct mt76x2_dev *dev, u8 *addr)
+{
+ ether_addr_copy(dev->mt76.macaddr, addr);
+
+ if (!is_valid_ether_addr(dev->mt76.macaddr)) {
+ eth_random_addr(dev->mt76.macaddr);
+ dev_info(dev->mt76.dev,
+ "Invalid MAC address, using random address %pM\n",
+ dev->mt76.macaddr);
+ }
+
+ mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(dev->mt76.macaddr));
+ mt76_wr(dev, MT_MAC_ADDR_DW1,
+ get_unaligned_le16(dev->mt76.macaddr + 4) |
+ FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff));
+}
+
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c
new file mode 100644
index 000000000000..7367ba111119
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2u.h"
+
+static int mt76x2u_start(struct ieee80211_hw *hw)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ int ret;
+
+ mutex_lock(&dev->mutex);
+
+ ret = mt76x2u_mac_start(dev);
+ if (ret)
+ goto out;
+
+ set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
+
+out:
+ mutex_unlock(&dev->mutex);
+ return ret;
+}
+
+static void mt76x2u_stop(struct ieee80211_hw *hw)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mutex_lock(&dev->mutex);
+ clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
+ mt76x2u_stop_hw(dev);
+ mutex_unlock(&dev->mutex);
+}
+
+static int mt76x2u_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *)vif->drv_priv;
+ unsigned int idx = 0;
+
+ if (!ether_addr_equal(dev->mt76.macaddr, vif->addr))
+ mt76x2u_mac_setaddr(dev, vif->addr);
+
+ mvif->idx = idx;
+ mvif->group_wcid.idx = MT_VIF_WCID(idx);
+ mvif->group_wcid.hw_key_idx = -1;
+ mt76x2_txq_init(dev, vif->txq);
+
+ return 0;
+}
+
+static int
+mt76x2u_set_channel(struct mt76x2_dev *dev,
+ struct cfg80211_chan_def *chandef)
+{
+ int err;
+
+ cancel_delayed_work_sync(&dev->cal_work);
+ set_bit(MT76_RESET, &dev->mt76.state);
+
+ mt76_set_channel(&dev->mt76);
+
+ mt76_clear(dev, MT_TXOP_CTRL_CFG, BIT(20));
+ mt76_clear(dev, MT_TXOP_HLDR_ET, BIT(1));
+ mt76x2_mac_stop(dev, false);
+
+ err = mt76x2u_phy_set_channel(dev, chandef);
+
+ mt76x2u_mac_resume(dev);
+
+ clear_bit(MT76_RESET, &dev->mt76.state);
+ mt76_txq_schedule_all(&dev->mt76);
+
+ return err;
+}
+
+static void
+mt76x2u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mutex_lock(&dev->mutex);
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ mt76x2u_phy_channel_calibrate(dev);
+ mt76x2_apply_gain_adj(dev);
+ }
+
+ if (changed & BSS_CHANGED_BSSID) {
+ mt76_wr(dev, MT_MAC_BSSID_DW0,
+ get_unaligned_le32(info->bssid));
+ mt76_wr(dev, MT_MAC_BSSID_DW1,
+ get_unaligned_le16(info->bssid + 4));
+ }
+
+ mutex_unlock(&dev->mutex);
+}
+
+static int
+mt76x2u_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ int err = 0;
+
+ mutex_lock(&dev->mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
+ dev->rxfilter |= MT_RX_FILTR_CFG_PROMISC;
+ else
+ dev->rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
+ mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ieee80211_stop_queues(hw);
+ err = mt76x2u_set_channel(dev, &hw->conf.chandef);
+ ieee80211_wake_queues(hw);
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ dev->txpower_conf = hw->conf.power_level * 2;
+
+ /* convert to per-chain power for 2x2 devices */
+ dev->txpower_conf -= 6;
+
+ if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state))
+ mt76x2_phy_set_txpower(dev);
+ }
+
+ mutex_unlock(&dev->mutex);
+
+ return err;
+}
+
+static void
+mt76x2u_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ const u8 *mac)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ set_bit(MT76_SCANNING, &dev->mt76.state);
+}
+
+static void
+mt76x2u_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ clear_bit(MT76_SCANNING, &dev->mt76.state);
+}
+
+const struct ieee80211_ops mt76x2u_ops = {
+ .tx = mt76x2_tx,
+ .start = mt76x2u_start,
+ .stop = mt76x2u_stop,
+ .add_interface = mt76x2u_add_interface,
+ .remove_interface = mt76x2_remove_interface,
+ .sta_add = mt76x2_sta_add,
+ .sta_remove = mt76x2_sta_remove,
+ .set_key = mt76x2_set_key,
+ .ampdu_action = mt76x2_ampdu_action,
+ .config = mt76x2u_config,
+ .wake_tx_queue = mt76_wake_tx_queue,
+ .bss_info_changed = mt76x2u_bss_info_changed,
+ .configure_filter = mt76x2_configure_filter,
+ .conf_tx = mt76x2_conf_tx,
+ .sw_scan_start = mt76x2u_sw_scan,
+ .sw_scan_complete = mt76x2u_sw_scan_complete,
+ .sta_rate_tbl_update = mt76x2_sta_rate_tbl_update,
+};
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c
new file mode 100644
index 000000000000..22c16d638baa
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c
@@ -0,0 +1,463 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/firmware.h>
+
+#include "mt76x2u.h"
+#include "mt76x2_eeprom.h"
+
+#define MT_CMD_HDR_LEN 4
+#define MT_INBAND_PACKET_MAX_LEN 192
+#define MT_MCU_MEMMAP_WLAN 0x410000
+
+#define MCU_FW_URB_MAX_PAYLOAD 0x3900
+#define MCU_ROM_PATCH_MAX_PAYLOAD 2048
+
+#define MT76U_MCU_ILM_OFFSET 0x80000
+#define MT76U_MCU_DLM_OFFSET 0x110000
+#define MT76U_MCU_ROM_PATCH_OFFSET 0x90000
+
+static int
+mt76x2u_mcu_function_select(struct mt76x2_dev *dev, enum mcu_function func,
+ u32 val)
+{
+ struct {
+ __le32 id;
+ __le32 value;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(func),
+ .value = cpu_to_le32(val),
+ };
+ struct sk_buff *skb;
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_FUN_SET_OP,
+ func != Q_SELECT);
+}
+
+int mt76x2u_mcu_set_radio_state(struct mt76x2_dev *dev, bool val)
+{
+ struct {
+ __le32 mode;
+ __le32 level;
+ } __packed __aligned(4) msg = {
+ .mode = cpu_to_le32(val ? RADIO_ON : RADIO_OFF),
+ .level = cpu_to_le32(0),
+ };
+ struct sk_buff *skb;
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_POWER_SAVING_OP,
+ false);
+}
+
+int mt76x2u_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,
+ u8 channel)
+{
+ struct {
+ u8 cr_mode;
+ u8 temp;
+ u8 ch;
+ u8 _pad0;
+ __le32 cfg;
+ } __packed __aligned(4) msg = {
+ .cr_mode = type,
+ .temp = temp_level,
+ .ch = channel,
+ };
+ struct sk_buff *skb;
+ u32 val;
+
+ val = BIT(31);
+ val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
+ val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
+ msg.cfg = cpu_to_le32(val);
+
+ /* first set the channel without the extension channel info */
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_LOAD_CR, true);
+}
+
+int mt76x2u_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
+ u8 bw_index, bool scan)
+{
+ struct {
+ u8 idx;
+ u8 scan;
+ u8 bw;
+ u8 _pad0;
+
+ __le16 chainmask;
+ u8 ext_chan;
+ u8 _pad1;
+
+ } __packed __aligned(4) msg = {
+ .idx = channel,
+ .scan = scan,
+ .bw = bw,
+ .chainmask = cpu_to_le16(dev->chainmask),
+ };
+ struct sk_buff *skb;
+
+ /* first set the channel without the extension channel info */
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+
+ mt76u_mcu_send_msg(&dev->mt76, skb, CMD_SWITCH_CHANNEL_OP, true);
+
+ usleep_range(5000, 10000);
+
+ msg.ext_chan = 0xe0 + bw_index;
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_SWITCH_CHANNEL_OP, true);
+}
+
+int mt76x2u_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
+ u32 val)
+{
+ struct {
+ __le32 id;
+ __le32 value;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(type),
+ .value = cpu_to_le32(val),
+ };
+ struct sk_buff *skb;
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_CALIBRATION_OP, true);
+}
+
+int mt76x2u_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain,
+ bool force)
+{
+ struct {
+ __le32 channel;
+ __le32 gain_val;
+ } __packed __aligned(4) msg = {
+ .channel = cpu_to_le32(channel),
+ .gain_val = cpu_to_le32(gain),
+ };
+ struct sk_buff *skb;
+
+ if (force)
+ msg.channel |= cpu_to_le32(BIT(31));
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_INIT_GAIN_OP, true);
+}
+
+int mt76x2u_mcu_set_dynamic_vga(struct mt76x2_dev *dev, u8 channel, bool ap,
+ bool ext, int rssi, u32 false_cca)
+{
+ struct {
+ __le32 channel;
+ __le32 rssi_val;
+ __le32 false_cca_val;
+ } __packed __aligned(4) msg = {
+ .rssi_val = cpu_to_le32(rssi),
+ .false_cca_val = cpu_to_le32(false_cca),
+ };
+ struct sk_buff *skb;
+ u32 val = channel;
+
+ if (ap)
+ val |= BIT(31);
+ if (ext)
+ val |= BIT(30);
+ msg.channel = cpu_to_le32(val);
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_DYNC_VGA_OP, true);
+}
+
+int mt76x2u_mcu_tssi_comp(struct mt76x2_dev *dev,
+ struct mt76x2_tssi_comp *tssi_data)
+{
+ struct {
+ __le32 id;
+ struct mt76x2_tssi_comp data;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(MCU_CAL_TSSI_COMP),
+ .data = *tssi_data,
+ };
+ struct sk_buff *skb;
+
+ skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg));
+ if (!skb)
+ return -ENOMEM;
+ return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_CALIBRATION_OP, true);
+}
+
+static void mt76x2u_mcu_load_ivb(struct mt76x2_dev *dev)
+{
+ mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x12, 0, NULL, 0);
+}
+
+static void mt76x2u_mcu_enable_patch(struct mt76x2_dev *dev)
+{
+ struct mt76_usb *usb = &dev->mt76.usb;
+ const u8 data[] = {
+ 0x6f, 0xfc, 0x08, 0x01,
+ 0x20, 0x04, 0x00, 0x00,
+ 0x00, 0x09, 0x00,
+ };
+
+ memcpy(usb->data, data, sizeof(data));
+ mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
+ USB_DIR_OUT | USB_TYPE_CLASS,
+ 0x12, 0, usb->data, sizeof(data));
+}
+
+static void mt76x2u_mcu_reset_wmt(struct mt76x2_dev *dev)
+{
+ struct mt76_usb *usb = &dev->mt76.usb;
+ u8 data[] = {
+ 0x6f, 0xfc, 0x05, 0x01,
+ 0x07, 0x01, 0x00, 0x04
+ };
+
+ memcpy(usb->data, data, sizeof(data));
+ mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
+ USB_DIR_OUT | USB_TYPE_CLASS,
+ 0x12, 0, usb->data, sizeof(data));
+}
+
+static int mt76x2u_mcu_load_rom_patch(struct mt76x2_dev *dev)
+{
+ bool rom_protect = !is_mt7612(dev);
+ struct mt76x2_patch_header *hdr;
+ u32 val, patch_mask, patch_reg;
+ const struct firmware *fw;
+ int err;
+
+ if (rom_protect &&
+ !mt76_poll_msec(dev, MT_MCU_SEMAPHORE_03, 1, 1, 600)) {
+ dev_err(dev->mt76.dev,
+ "could not get hardware semaphore for ROM PATCH\n");
+ return -ETIMEDOUT;
+ }
+
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3) {
+ patch_mask = BIT(0);
+ patch_reg = MT_MCU_CLOCK_CTL;
+ } else {
+ patch_mask = BIT(1);
+ patch_reg = MT_MCU_COM_REG0;
+ }
+
+ if (rom_protect && (mt76_rr(dev, patch_reg) & patch_mask)) {
+ dev_info(dev->mt76.dev, "ROM patch already applied\n");
+ return 0;
+ }
+
+ err = request_firmware(&fw, MT7662U_ROM_PATCH, dev->mt76.dev);
+ if (err < 0)
+ return err;
+
+ if (!fw || !fw->data || fw->size <= sizeof(*hdr)) {
+ dev_err(dev->mt76.dev, "failed to load firmware\n");
+ err = -EIO;
+ goto out;
+ }
+
+ hdr = (struct mt76x2_patch_header *)fw->data;
+ dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time);
+
+ /* enable USB_DMA_CFG */
+ val = MT_USB_DMA_CFG_RX_BULK_EN |
+ MT_USB_DMA_CFG_TX_BULK_EN |
+ FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20);
+ mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val);
+
+ /* vendor reset */
+ mt76u_mcu_fw_reset(&dev->mt76);
+ usleep_range(5000, 10000);
+
+ /* enable FCE to send in-band cmd */
+ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1);
+ /* FCE tx_fs_base_ptr */
+ mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230);
+ /* FCE tx_fs_max_cnt */
+ mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1);
+ /* FCE pdma enable */
+ mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44);
+ /* FCE skip_fs_en */
+ mt76_wr(dev, MT_FCE_SKIP_FS, 0x3);
+
+ err = mt76u_mcu_fw_send_data(&dev->mt76, fw->data + sizeof(*hdr),
+ fw->size - sizeof(*hdr),
+ MCU_ROM_PATCH_MAX_PAYLOAD,
+ MT76U_MCU_ROM_PATCH_OFFSET);
+ if (err < 0) {
+ err = -EIO;
+ goto out;
+ }
+
+ mt76x2u_mcu_enable_patch(dev);
+ mt76x2u_mcu_reset_wmt(dev);
+ mdelay(20);
+
+ if (!mt76_poll_msec(dev, patch_reg, patch_mask, patch_mask, 100)) {
+ dev_err(dev->mt76.dev, "failed to load ROM patch\n");
+ err = -ETIMEDOUT;
+ }
+
+out:
+ if (rom_protect)
+ mt76_wr(dev, MT_MCU_SEMAPHORE_03, 1);
+ release_firmware(fw);
+ return err;
+}
+
+static int mt76x2u_mcu_load_firmware(struct mt76x2_dev *dev)
+{
+ u32 val, dlm_offset = MT76U_MCU_DLM_OFFSET;
+ const struct mt76x2_fw_header *hdr;
+ int err, len, ilm_len, dlm_len;
+ const struct firmware *fw;
+
+ err = request_firmware(&fw, MT7662U_FIRMWARE, dev->mt76.dev);
+ if (err < 0)
+ return err;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ hdr = (const struct mt76x2_fw_header *)fw->data;
+ ilm_len = le32_to_cpu(hdr->ilm_len);
+ dlm_len = le32_to_cpu(hdr->dlm_len);
+ len = sizeof(*hdr) + ilm_len + dlm_len;
+ if (fw->size != len) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ val = le16_to_cpu(hdr->fw_ver);
+ dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",
+ (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf);
+
+ val = le16_to_cpu(hdr->build_ver);
+ dev_info(dev->mt76.dev, "Build: %x\n", val);
+ dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time);
+
+ /* vendor reset */
+ mt76u_mcu_fw_reset(&dev->mt76);
+ usleep_range(5000, 10000);
+
+ /* enable USB_DMA_CFG */
+ val = MT_USB_DMA_CFG_RX_BULK_EN |
+ MT_USB_DMA_CFG_TX_BULK_EN |
+ FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20);
+ mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val);
+ /* enable FCE to send in-band cmd */
+ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1);
+ /* FCE tx_fs_base_ptr */
+ mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230);
+ /* FCE tx_fs_max_cnt */
+ mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1);
+ /* FCE pdma enable */
+ mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44);
+ /* FCE skip_fs_en */
+ mt76_wr(dev, MT_FCE_SKIP_FS, 0x3);
+
+ /* load ILM */
+ err = mt76u_mcu_fw_send_data(&dev->mt76, fw->data + sizeof(*hdr),
+ ilm_len, MCU_FW_URB_MAX_PAYLOAD,
+ MT76U_MCU_ILM_OFFSET);
+ if (err < 0) {
+ err = -EIO;
+ goto out;
+ }
+
+ /* load DLM */
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3)
+ dlm_offset += 0x800;
+ err = mt76u_mcu_fw_send_data(&dev->mt76,
+ fw->data + sizeof(*hdr) + ilm_len,
+ dlm_len, MCU_FW_URB_MAX_PAYLOAD,
+ dlm_offset);
+ if (err < 0) {
+ err = -EIO;
+ goto out;
+ }
+
+ mt76x2u_mcu_load_ivb(dev);
+ if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 100)) {
+ dev_err(dev->mt76.dev, "firmware failed to start\n");
+ err = -ETIMEDOUT;
+ goto out;
+ }
+
+ mt76_set(dev, MT_MCU_COM_REG0, BIT(1));
+ /* enable FCE to send in-band cmd */
+ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1);
+ dev_dbg(dev->mt76.dev, "firmware running\n");
+
+out:
+ release_firmware(fw);
+ return err;
+}
+
+int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev)
+{
+ int err;
+
+ err = mt76x2u_mcu_load_rom_patch(dev);
+ if (err < 0)
+ return err;
+
+ return mt76x2u_mcu_load_firmware(dev);
+}
+
+int mt76x2u_mcu_init(struct mt76x2_dev *dev)
+{
+ int err;
+
+ err = mt76x2u_mcu_function_select(dev, Q_SELECT, 1);
+ if (err < 0)
+ return err;
+
+ return mt76x2u_mcu_set_radio_state(dev, true);
+}
+
+void mt76x2u_mcu_deinit(struct mt76x2_dev *dev)
+{
+ struct mt76_usb *usb = &dev->mt76.usb;
+
+ usb_kill_urb(usb->mcu.res.urb);
+ mt76u_buf_free(&usb->mcu.res);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c
new file mode 100644
index 000000000000..5158063d0c2e
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2u.h"
+#include "mt76x2_eeprom.h"
+
+void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev)
+{
+ u32 val;
+
+ val = mt76_rr(dev, MT_BBP(AGC, 0));
+ val &= ~BIT(4);
+
+ switch (dev->chainmask & 0xf) {
+ case 2:
+ val |= BIT(3);
+ break;
+ default:
+ val &= ~BIT(3);
+ break;
+ }
+ mt76_wr(dev, MT_BBP(AGC, 0), val);
+}
+
+void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev)
+{
+ int txpath;
+
+ txpath = (dev->chainmask >> 8) & 0xf;
+ switch (txpath) {
+ case 2:
+ mt76_set(dev, MT_BBP(TXBE, 5), 0x3);
+ break;
+ default:
+ mt76_clear(dev, MT_BBP(TXBE, 5), 0x3);
+ break;
+ }
+}
+
+void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ bool is_5ghz = chan->band == NL80211_BAND_5GHZ;
+
+ if (mt76x2_channel_silent(dev))
+ return;
+
+ mt76x2u_mac_stop(dev);
+
+ if (is_5ghz)
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_LC, 0);
+
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_TX_LOFT, is_5ghz);
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz);
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_RXIQC_FI, is_5ghz);
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0);
+
+ mt76x2u_mac_resume(dev);
+}
+
+static void
+mt76x2u_phy_tssi_compensate(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ struct mt76x2_tx_power_info txp;
+ struct mt76x2_tssi_comp t = {};
+
+ if (!dev->cal.tssi_cal_done)
+ return;
+
+ if (!dev->cal.tssi_comp_pending) {
+ /* TSSI trigger */
+ t.cal_mode = BIT(0);
+ mt76x2u_mcu_tssi_comp(dev, &t);
+ dev->cal.tssi_comp_pending = true;
+ } else {
+ if (mt76_rr(dev, MT_BBP(CORE, 34)) & BIT(4))
+ return;
+
+ dev->cal.tssi_comp_pending = false;
+ mt76x2_get_power_info(dev, &txp, chan);
+
+ if (mt76x2_ext_pa_enabled(dev, chan->band))
+ t.pa_mode = 1;
+
+ t.cal_mode = BIT(1);
+ t.slope0 = txp.chain[0].tssi_slope;
+ t.offset0 = txp.chain[0].tssi_offset;
+ t.slope1 = txp.chain[1].tssi_slope;
+ t.offset1 = txp.chain[1].tssi_offset;
+ mt76x2u_mcu_tssi_comp(dev, &t);
+
+ if (t.pa_mode || dev->cal.dpd_cal_done)
+ return;
+
+ usleep_range(10000, 20000);
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value);
+ dev->cal.dpd_cal_done = true;
+ }
+}
+
+static void
+mt76x2u_phy_update_channel_gain(struct mt76x2_dev *dev)
+{
+ u8 channel = dev->mt76.chandef.chan->hw_value;
+ int freq, freq1;
+ u32 false_cca;
+
+ freq = dev->mt76.chandef.chan->center_freq;
+ freq1 = dev->mt76.chandef.center_freq1;
+
+ switch (dev->mt76.chandef.width) {
+ case NL80211_CHAN_WIDTH_80: {
+ int ch_group_index;
+
+ ch_group_index = (freq - freq1 + 30) / 20;
+ if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
+ ch_group_index = 0;
+ channel += 6 - ch_group_index * 4;
+ break;
+ }
+ case NL80211_CHAN_WIDTH_40:
+ if (freq1 > freq)
+ channel += 2;
+ else
+ channel -= 2;
+ break;
+ default:
+ break;
+ }
+
+ dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev);
+ false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS,
+ mt76_rr(dev, MT_RX_STAT_1));
+
+ mt76x2u_mcu_set_dynamic_vga(dev, channel, false, false,
+ dev->cal.avg_rssi_all, false_cca);
+}
+
+void mt76x2u_phy_calibrate(struct work_struct *work)
+{
+ struct mt76x2_dev *dev;
+
+ dev = container_of(work, struct mt76x2_dev, cal_work.work);
+ mt76x2u_phy_tssi_compensate(dev);
+ mt76x2u_phy_update_channel_gain(dev);
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
+ MT_CALIBRATE_INTERVAL);
+}
+
+int mt76x2u_phy_set_channel(struct mt76x2_dev *dev,
+ struct cfg80211_chan_def *chandef)
+{
+ u32 ext_cca_chan[4] = {
+ [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)),
+ [1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)),
+ [2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)),
+ [3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)),
+ };
+ bool scan = test_bit(MT76_SCANNING, &dev->mt76.state);
+ struct ieee80211_channel *chan = chandef->chan;
+ u8 channel = chan->hw_value, bw, bw_index;
+ int ch_group_index, freq, freq1, ret;
+
+ dev->cal.channel_cal_done = false;
+ freq = chandef->chan->center_freq;
+ freq1 = chandef->center_freq1;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_40:
+ bw = 1;
+ if (freq1 > freq) {
+ bw_index = 1;
+ ch_group_index = 0;
+ } else {
+ bw_index = 3;
+ ch_group_index = 1;
+ }
+ channel += 2 - ch_group_index * 4;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ ch_group_index = (freq - freq1 + 30) / 20;
+ if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
+ ch_group_index = 0;
+ bw = 2;
+ bw_index = ch_group_index;
+ channel += 6 - ch_group_index * 4;
+ break;
+ default:
+ bw = 0;
+ bw_index = 0;
+ ch_group_index = 0;
+ break;
+ }
+
+ mt76x2_read_rx_gain(dev);
+ mt76x2_phy_set_txpower_regs(dev, chan->band);
+ mt76x2_configure_tx_delay(dev, chan->band, bw);
+ mt76x2_phy_set_txpower(dev);
+
+ mt76x2_phy_set_band(dev, chan->band, ch_group_index & 1);
+ mt76x2_phy_set_bw(dev, chandef->width, ch_group_index);
+
+ mt76_rmw(dev, MT_EXT_CCA_CFG,
+ (MT_EXT_CCA_CFG_CCA0 |
+ MT_EXT_CCA_CFG_CCA1 |
+ MT_EXT_CCA_CFG_CCA2 |
+ MT_EXT_CCA_CFG_CCA3 |
+ MT_EXT_CCA_CFG_CCA_MASK),
+ ext_cca_chan[ch_group_index]);
+
+ ret = mt76x2u_mcu_set_channel(dev, channel, bw, bw_index, scan);
+ if (ret)
+ return ret;
+
+ mt76x2u_mcu_init_gain(dev, channel, dev->cal.rx.mcu_gain, true);
+
+ /* Enable LDPC Rx */
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3)
+ mt76_set(dev, MT_BBP(RXO, 13), BIT(10));
+
+ if (!dev->cal.init_cal_done) {
+ u8 val = mt76x2_eeprom_get(dev, MT_EE_BT_RCAL_RESULT);
+
+ if (val != 0xff)
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_R, 0);
+ }
+
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_RXDCOC, channel);
+
+ /* Rx LPF calibration */
+ if (!dev->cal.init_cal_done)
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_RC, 0);
+ dev->cal.init_cal_done = true;
+
+ mt76_wr(dev, MT_BBP(AGC, 61), 0xff64a4e2);
+ mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
+ mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
+ mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
+ mt76_wr(dev, MT_TXOP_CTRL_CFG, 0X04101b3f);
+
+ mt76_set(dev, MT_BBP(TXO, 4), BIT(25));
+ mt76_set(dev, MT_BBP(RXO, 13), BIT(8));
+
+ if (scan)
+ return 0;
+
+ if (mt76x2_tssi_enabled(dev)) {
+ /* init default values for temp compensation */
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP,
+ 0x38);
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_2, MT_TX_ALC_CFG_2_TEMP_COMP,
+ 0x38);
+
+ /* init tssi calibration */
+ if (!mt76x2_channel_silent(dev)) {
+ struct ieee80211_channel *chan;
+ u32 flag = 0;
+
+ chan = dev->mt76.chandef.chan;
+ if (chan->band == NL80211_BAND_5GHZ)
+ flag |= BIT(0);
+ if (mt76x2_ext_pa_enabled(dev, chan->band))
+ flag |= BIT(8);
+ mt76x2u_mcu_calibrate(dev, MCU_CAL_TSSI, flag);
+ dev->cal.tssi_cal_done = true;
+ }
+ }
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
+ MT_CALIBRATE_INTERVAL);
+ return 0;
+}
--
2.17.1
^ permalink raw reply related [flat|nested] 24+ messages in thread
* Re: [PATCH v2 00/19] add mt76x2u support to mt76 driver
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
` (18 preceding siblings ...)
2018-07-31 8:09 ` [PATCH v2 19/19] mt76: add driver code for MT76x2u based devices Lorenzo Bianconi
@ 2018-07-31 9:54 ` Kalle Valo
2018-07-31 10:27 ` Stanislaw Gruszka
19 siblings, 1 reply; 24+ messages in thread
From: Kalle Valo @ 2018-07-31 9:54 UTC (permalink / raw)
To: Lorenzo Bianconi; +Cc: nbd, linux-wireless, sgruszka
Lorenzo Bianconi <lorenzo.bianconi@redhat.com> writes:
> Add usb layer to mt76 driver in order to support mt76x2u based devices.
> Move common code between pci and usb in mt76x2-common module in order to
> remove pci dependency from usb driver
>
> Changes since v1:
> - rebase on top of wireless-drivers-next master branch
> - fix mt7662u fw definitions
> - remove unused len variable in mt76x2u_remove_dma_hdr()
> - move mt76u_mcu_fw_reset routine in mt76-usb module in order
> to be reused by mt76x0 driver
> - move mt76u_mcu_init_rx routine in mt76-usb module in order
> to be reused by mt76x0 driver
My deadline for 4.19 is most likely this Friday (if the merge window
starts on Sunday) so I would need to apply these tomorrow by latest to
have some time in linux-next. Are everyone happy with this set?
--
Kalle Valo
^ permalink raw reply [flat|nested] 24+ messages in thread
* Re: [PATCH v2 00/19] add mt76x2u support to mt76 driver
2018-07-31 9:54 ` [PATCH v2 00/19] add mt76x2u support to mt76 driver Kalle Valo
@ 2018-07-31 10:27 ` Stanislaw Gruszka
2018-07-31 10:33 ` Kalle Valo
0 siblings, 1 reply; 24+ messages in thread
From: Stanislaw Gruszka @ 2018-07-31 10:27 UTC (permalink / raw)
To: Kalle Valo; +Cc: Lorenzo Bianconi, nbd, linux-wireless
On Tue, Jul 31, 2018 at 12:54:32PM +0300, Kalle Valo wrote:
> Lorenzo Bianconi <lorenzo.bianconi@redhat.com> writes:
>
> > Add usb layer to mt76 driver in order to support mt76x2u based devices.
> > Move common code between pci and usb in mt76x2-common module in order to
> > remove pci dependency from usb driver
> >
> > Changes since v1:
> > - rebase on top of wireless-drivers-next master branch
> > - fix mt7662u fw definitions
> > - remove unused len variable in mt76x2u_remove_dma_hdr()
> > - move mt76u_mcu_fw_reset routine in mt76-usb module in order
> > to be reused by mt76x0 driver
> > - move mt76u_mcu_init_rx routine in mt76-usb module in order
> > to be reused by mt76x0 driver
>
> My deadline for 4.19 is most likely this Friday (if the merge window
> starts on Sunday) so I would need to apply these tomorrow by latest to
> have some time in linux-next. Are everyone happy with this set?
I'm ok with this set.
If I'll post mt76x0 v3 would you take it in this cycle or should
I rather wait for next one ?
Thanks
Stanislaw
^ permalink raw reply [flat|nested] 24+ messages in thread
* Re: [PATCH v2 00/19] add mt76x2u support to mt76 driver
2018-07-31 10:27 ` Stanislaw Gruszka
@ 2018-07-31 10:33 ` Kalle Valo
0 siblings, 0 replies; 24+ messages in thread
From: Kalle Valo @ 2018-07-31 10:33 UTC (permalink / raw)
To: Stanislaw Gruszka; +Cc: Lorenzo Bianconi, nbd, linux-wireless
Stanislaw Gruszka <sgruszka@redhat.com> writes:
> On Tue, Jul 31, 2018 at 12:54:32PM +0300, Kalle Valo wrote:
>> Lorenzo Bianconi <lorenzo.bianconi@redhat.com> writes:
>>
>> > Add usb layer to mt76 driver in order to support mt76x2u based devices.
>> > Move common code between pci and usb in mt76x2-common module in order to
>> > remove pci dependency from usb driver
>> >
>> > Changes since v1:
>> > - rebase on top of wireless-drivers-next master branch
>> > - fix mt7662u fw definitions
>> > - remove unused len variable in mt76x2u_remove_dma_hdr()
>> > - move mt76u_mcu_fw_reset routine in mt76-usb module in order
>> > to be reused by mt76x0 driver
>> > - move mt76u_mcu_init_rx routine in mt76-usb module in order
>> > to be reused by mt76x0 driver
>>
>> My deadline for 4.19 is most likely this Friday (if the merge window
>> starts on Sunday) so I would need to apply these tomorrow by latest to
>> have some time in linux-next. Are everyone happy with this set?
>
> I'm ok with this set.
>
> If I'll post mt76x0 v3 would you take it in this cycle or should
> I rather wait for next one ?
I applied Lorenzo's patchset to pending branch in wireless-drivers-next.
If you can use that as the baseline and submit your patchset by tomorrow
morning I can try to get it to v4.19. But I'm not promising anything :)
--
Kalle Valo
^ permalink raw reply [flat|nested] 24+ messages in thread
* Re: [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h
2018-07-31 8:09 ` [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h Lorenzo Bianconi
@ 2018-08-02 18:49 ` Kalle Valo
0 siblings, 0 replies; 24+ messages in thread
From: Kalle Valo @ 2018-08-02 18:49 UTC (permalink / raw)
To: Lorenzo Bianconi; +Cc: nbd, linux-wireless, sgruszka
Lorenzo Bianconi <lorenzo.bianconi@redhat.com> wrote:
> Since MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO definitions are in
> common between mt76x2u, mt76x2 and mt76x0u move them in dma.h in order
> to reuse usb code supporting mt76x2u and mt76x0u based devices
>
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
19 patches applied to wireless-drivers-next.git, thanks.
66fc44b71c59 mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h
35ecee1f6755 mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h
2edb2ae5e60a mt76x2: move utility routines in mt76x2.h
15fdb7a07bbe mt76x2: introduce mt76x2_init_device routine
4681e0c79e43 mt76x2: move interface_modes definition in mt76x2_init
d3c94b40460b mt76x2: introduce mt76x2_mac_load_tx_status routine
81e850ef2625 mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signatures
bbd89d948108 mt76x2: add buffer len to mt76x2_mac_write_txwi signature
fcdd99ce7267 mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb
469d48188625 mt76: introduce tx_queue_skb function pointer in mt76_bus_ops
d20ad5816962 mt76: introduce mt76x2-common module
9367a9c7f956 mt76: add mt76x2_tx_common to mt76x2-common module
b9c45e1c42b7 mt76: add mt76x2_mac_common to mt76x2-common module
43930193a874 mt76: add mt76x2_init_common to mt76x2-common module
2de8c3eb7ed7 mt76: add mt76x2_common to mt76x2-common module
5f0d10ceee47 mt76: add mt76x2_phy_common to mt76x2-common module
037804002b8a mt76: move mt76x2_debugfs in mt76-common module
b40b15e1521f mt76: add usb support to mt76 layer
ee676cd5017c mt76: add driver code for MT76x2u based devices
--
https://patchwork.kernel.org/patch/10550371/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
^ permalink raw reply [flat|nested] 24+ messages in thread
end of thread, other threads:[~2018-08-02 20:42 UTC | newest]
Thread overview: 24+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-07-31 8:09 [PATCH v2 00/19] add mt76x2u support to mt76 driver Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 01/19] mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.h Lorenzo Bianconi
2018-08-02 18:49 ` Kalle Valo
2018-07-31 8:09 ` [PATCH v2 02/19] mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 03/19] mt76x2: move utility routines in mt76x2.h Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 04/19] mt76x2: introduce mt76x2_init_device routine Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 05/19] mt76x2: move interface_modes definition in mt76x2_init Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 06/19] mt76x2: introduce mt76x2_mac_load_tx_status routine Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 07/19] mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signatures Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 08/19] mt76x2: add buffer len to mt76x2_mac_write_txwi signature Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 09/19] mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 10/19] mt76: introduce tx_queue_skb function pointer in mt76_bus_ops Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 11/19] mt76: introduce mt76x2-common module Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 12/19] mt76: add mt76x2_tx_common to " Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 13/19] mt76: add mt76x2_mac_common " Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 14/19] mt76: add mt76x2_init_common " Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 15/19] mt76: add mt76x2_common " Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 16/19] mt76: add mt76x2_phy_common " Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 17/19] mt76: move mt76x2_debugfs in mt76-common module Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 18/19] mt76: add usb support to mt76 layer Lorenzo Bianconi
2018-07-31 8:09 ` [PATCH v2 19/19] mt76: add driver code for MT76x2u based devices Lorenzo Bianconi
2018-07-31 9:54 ` [PATCH v2 00/19] add mt76x2u support to mt76 driver Kalle Valo
2018-07-31 10:27 ` Stanislaw Gruszka
2018-07-31 10:33 ` Kalle Valo
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