From: <yhchuang@realtek.com>
To: <kvalo@codeaurora.org>
Cc: <linux-wireless@vger.kernel.org>, <briannorris@chromium.org>
Subject: [PATCH v2 3/6] rtw88: load wowlan firmware if wowlan is supported
Date: Mon, 9 Dec 2019 15:21:36 +0800 [thread overview]
Message-ID: <20191209072139.26068-4-yhchuang@realtek.com> (raw)
In-Reply-To: <20191209072139.26068-1-yhchuang@realtek.com>
From: Chin-Yen Lee <timlee@realtek.com>
Driver used to download normal firmware only,
but some devices support wowlan and require to
download wowlan firmware when system suspends.
So modify rtw_load_firmware() and its callback to
allow driver to download both normal and wowlan firmware.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
---
v1 -> v2
* no change
drivers/net/wireless/realtek/rtw88/main.c | 72 +++++++++++++++++++----
drivers/net/wireless/realtek/rtw88/main.h | 10 ++++
2 files changed, 70 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index ae61415e1665..54e8a0cef14b 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -793,6 +793,26 @@ void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
rtw_fw_send_ra_info(rtwdev, si);
}
+static int rtw_wait_firmware_completion(struct rtw_dev *rtwdev)
+{
+ struct rtw_chip_info *chip = rtwdev->chip;
+ struct rtw_fw_state *fw;
+
+ fw = &rtwdev->fw;
+ wait_for_completion(&fw->completion);
+ if (!fw->firmware)
+ return -EINVAL;
+
+ if (chip->wow_fw_name) {
+ fw = &rtwdev->wow_fw;
+ wait_for_completion(&fw->completion);
+ if (!fw->firmware)
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int rtw_power_on(struct rtw_dev *rtwdev)
{
struct rtw_chip_info *chip = rtwdev->chip;
@@ -813,11 +833,10 @@ static int rtw_power_on(struct rtw_dev *rtwdev)
goto err;
}
- wait_for_completion(&fw->completion);
- if (!fw->firmware) {
- ret = -EINVAL;
- rtw_err(rtwdev, "failed to load firmware\n");
- goto err;
+ ret = rtw_wait_firmware_completion(rtwdev);
+ if (ret) {
+ rtw_err(rtwdev, "failed to wait firmware completion\n");
+ goto err_off;
}
ret = rtw_download_firmware(rtwdev, fw);
@@ -1020,8 +1039,8 @@ static void rtw_unset_supported_band(struct ieee80211_hw *hw,
static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
{
- struct rtw_dev *rtwdev = context;
- struct rtw_fw_state *fw = &rtwdev->fw;
+ struct rtw_fw_state *fw = context;
+ struct rtw_dev *rtwdev = fw->rtwdev;
const struct rtw_fw_hdr *fw_hdr;
if (!firmware || !firmware->data) {
@@ -1043,17 +1062,35 @@ static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
fw->version, fw->sub_version, fw->sub_index, fw->h2c_version);
}
-static int rtw_load_firmware(struct rtw_dev *rtwdev, const char *fw_name)
+static int rtw_load_firmware(struct rtw_dev *rtwdev, enum rtw_fw_type type)
{
- struct rtw_fw_state *fw = &rtwdev->fw;
+ const char *fw_name;
+ struct rtw_fw_state *fw;
int ret;
+ switch (type) {
+ case RTW_WOWLAN_FW:
+ fw = &rtwdev->wow_fw;
+ fw_name = rtwdev->chip->wow_fw_name;
+ break;
+
+ case RTW_NORMAL_FW:
+ fw = &rtwdev->fw;
+ fw_name = rtwdev->chip->fw_name;
+ break;
+
+ default:
+ rtw_warn(rtwdev, "unsupported firmware type\n");
+ return -ENOENT;
+ }
+
+ fw->rtwdev = rtwdev;
init_completion(&fw->completion);
ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev,
- GFP_KERNEL, rtwdev, rtw_load_firmware_cb);
+ GFP_KERNEL, fw, rtw_load_firmware_cb);
if (ret) {
- rtw_err(rtwdev, "async firmware request failed\n");
+ rtw_err(rtwdev, "failed to async firmware request\n");
return ret;
}
@@ -1372,12 +1409,19 @@ int rtw_core_init(struct rtw_dev *rtwdev)
BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS |
BIT_AB | BIT_AM | BIT_APM;
- ret = rtw_load_firmware(rtwdev, rtwdev->chip->fw_name);
+ ret = rtw_load_firmware(rtwdev, RTW_NORMAL_FW);
if (ret) {
rtw_warn(rtwdev, "no firmware loaded\n");
return ret;
}
+ if (chip->wow_fw_name) {
+ ret = rtw_load_firmware(rtwdev, RTW_WOWLAN_FW);
+ if (ret) {
+ rtw_warn(rtwdev, "no wow firmware loaded\n");
+ return ret;
+ }
+ }
return 0;
}
EXPORT_SYMBOL(rtw_core_init);
@@ -1385,12 +1429,16 @@ EXPORT_SYMBOL(rtw_core_init);
void rtw_core_deinit(struct rtw_dev *rtwdev)
{
struct rtw_fw_state *fw = &rtwdev->fw;
+ struct rtw_fw_state *wow_fw = &rtwdev->wow_fw;
struct rtw_rsvd_page *rsvd_pkt, *tmp;
unsigned long flags;
if (fw->firmware)
release_firmware(fw->firmware);
+ if (wow_fw->firmware)
+ release_firmware(wow_fw->firmware);
+
tasklet_kill(&rtwdev->tx_tasklet);
spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
skb_queue_purge(&rtwdev->tx_report.queue);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index d012eefcd0da..b7690666fd57 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -193,6 +193,11 @@ enum rtw_rx_queue_type {
RTK_MAX_RX_QUEUE_NUM
};
+enum rtw_fw_type {
+ RTW_NORMAL_FW = 0x0,
+ RTW_WOWLAN_FW = 0x1,
+};
+
enum rtw_rate_index {
RTW_RATEID_BGN_40M_2SS = 0,
RTW_RATEID_BGN_40M_1SS = 1,
@@ -1030,6 +1035,8 @@ struct rtw_chip_info {
u8 bfer_su_max_num;
u8 bfer_mu_max_num;
+ const char *wow_fw_name;
+
/* coex paras */
u32 coex_para_ver;
u8 bt_desired_ver;
@@ -1456,6 +1463,7 @@ struct rtw_fifo_conf {
struct rtw_fw_state {
const struct firmware *firmware;
+ struct rtw_dev *rtwdev;
struct completion completion;
u16 version;
u8 sub_version;
@@ -1580,6 +1588,8 @@ struct rtw_dev {
u8 mp_mode;
+ struct rtw_fw_state wow_fw;
+
/* hci related data, must be last */
u8 priv[0] __aligned(sizeof(void *));
};
--
2.17.1
next prev parent reply other threads:[~2019-12-09 7:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-09 7:21 [PATCH v2 0/6] rtw88: add wowlan support for 8822c yhchuang
2019-12-09 7:21 ` [PATCH v2 1/6] rtw88: pci: reset ring index when release skbs in tx ring yhchuang
2019-12-09 7:21 ` [PATCH v2 2/6] rtw88: pci: reset dma when reset pci trx ring yhchuang
2019-12-10 3:05 ` Chris Chiu
2019-12-09 7:21 ` yhchuang [this message]
2019-12-09 7:21 ` [PATCH v2 4/6] rtw88: support wowlan feature for 8822c yhchuang
2019-12-16 8:45 ` Chris Chiu
2019-12-17 2:39 ` Tony Chuang
2019-12-09 7:21 ` [PATCH v2 5/6] rtw88: Add wowlan pattern match support yhchuang
2019-12-09 7:21 ` [PATCH v2 6/6] rtw88: add wowlan net-detect support yhchuang
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