* [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature
@ 2020-06-08 12:27 Kiran K
2020-06-08 12:27 ` [PATCH v3 2/2] Bluetooth : Config debug feature based on available support Kiran K
2020-06-10 8:07 ` [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Marcel Holtmann
0 siblings, 2 replies; 4+ messages in thread
From: Kiran K @ 2020-06-08 12:27 UTC (permalink / raw)
To: linux-bluetooth
Cc: ravishankar.srivatsa, kiraank, Chethan T N, Ps AyappadasX, Kiran K
From: Chethan T N <chethan.tumkur.narayan@intel.com>
The command shall read the Intel controller supported
debug feature. Based on the supported features additional debug
configuration shall be enabled.
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Ps AyappadasX <AyappadasX.Ps@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
---
drivers/bluetooth/btintel.c | 33 +++++++++++++++++++++++++++++++++
drivers/bluetooth/btintel.h | 15 +++++++++++++++
drivers/bluetooth/btusb.c | 7 ++++++-
3 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 6a0e2c5a8beb..cb7d62883b18 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -754,6 +754,39 @@ void btintel_reset_to_bootloader(struct hci_dev *hdev)
}
EXPORT_SYMBOL_GPL(btintel_reset_to_bootloader);
+int btintel_read_debug_features(struct hci_dev *hdev,
+ struct intel_debug_features *features)
+{
+ struct sk_buff *skb;
+ u8 page_no = 1;
+
+ /* Intel controller supports two pages, each page is of 128-bit
+ * feature bit mask. And each bit defines specific feature support
+ */
+ skb = __hci_cmd_sync(hdev, 0xfca6, sizeof(page_no), &page_no,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading supported features(page1) failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len != (sizeof(features->page1) + 3)) {
+ bt_dev_err(hdev,
+ "Supported feature(page1) event size mismatch");
+ kfree_skb(skb);
+ return -EILSEQ;
+ }
+
+ memcpy(features->page1, skb->data + 3, sizeof(features->page1));
+
+ /* Read the supported features page2 if required in future.
+ */
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_read_debug_features);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index a69ea8a87b9b..7cd813fc5db4 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -62,6 +62,10 @@ struct intel_reset {
__le32 boot_param;
} __packed;
+struct intel_debug_features {
+ __u8 page1[16];
+} __packed;
+
#if IS_ENABLED(CONFIG_BT_INTEL)
int btintel_check_bdaddr(struct hci_dev *hdev);
@@ -88,6 +92,10 @@ int btintel_read_boot_params(struct hci_dev *hdev,
int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
u32 *boot_param);
void btintel_reset_to_bootloader(struct hci_dev *hdev);
+
+int btintel_read_debug_features(struct hci_dev *hdev,
+ struct intel_debug_features *features);
+
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -186,4 +194,11 @@ static inline int btintel_download_firmware(struct hci_dev *dev,
static inline void btintel_reset_to_bootloader(struct hci_dev *hdev)
{
}
+
+static inline int btintel_read_debug_features(struct hci_dev *hdev,
+ struct intel_debug_features *features)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 5f022e9cf667..1d36141ebe65 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -5,7 +5,6 @@
*
* Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
*/
-
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/usb.h>
@@ -2273,6 +2272,7 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
ktime_t calltime, delta, rettime;
unsigned long long duration;
int err;
+ struct intel_debug_features debug_features;
BT_DBG("%s", hdev->name);
@@ -2542,6 +2542,11 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
*/
btintel_load_ddc_config(hdev, fwname);
+ /* Read the Intel supported features and if new exception formats
+ * supported, need to load the additional DDC config to enable.
+ */
+ btintel_read_debug_features(hdev, &debug_features);
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version(hdev, &ver);
if (err)
--
2.17.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v3 2/2] Bluetooth : Config debug feature based on available support
2020-06-08 12:27 [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Kiran K
@ 2020-06-08 12:27 ` Kiran K
2020-06-10 8:07 ` Marcel Holtmann
2020-06-10 8:07 ` [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Marcel Holtmann
1 sibling, 1 reply; 4+ messages in thread
From: Kiran K @ 2020-06-08 12:27 UTC (permalink / raw)
To: linux-bluetooth
Cc: ravishankar.srivatsa, kiraank, Chethan T N, Ps AyappadasX, Kiran K
From: Chethan T N <chethan.tumkur.narayan@intel.com>
This patch shall enable the Intel telemetry exception format
based on the supported features
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Ps AyappadasX <AyappadasX.Ps@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
---
drivers/bluetooth/btintel.c | 27 +++++++++++++++++++++++++++
drivers/bluetooth/btintel.h | 9 +++++++--
drivers/bluetooth/btusb.c | 2 ++
3 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index cb7d62883b18..f9463f0c3ee2 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -787,6 +787,33 @@ int btintel_read_debug_features(struct hci_dev *hdev,
}
EXPORT_SYMBOL_GPL(btintel_read_debug_features);
+int btintel_config_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features)
+{
+ struct sk_buff *skb;
+ u8 mask_ddc[11] = { 0x0a, 0x92, 0x02, 0x07, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00 };
+
+ if (!features)
+ return -EINVAL;
+
+ if (!(features->page1[0] & 0x3f)) {
+ bt_dev_info(hdev, "Telemety exception format not supported");
+ return 0;
+ }
+
+ skb = __hci_cmd_sync(hdev, 0xfc8b, 11, mask_ddc, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Setting Intel telemetry ddc write event mask failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_config_debug_features);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 7cd813fc5db4..63743b89dad9 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -92,10 +92,10 @@ int btintel_read_boot_params(struct hci_dev *hdev,
int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
u32 *boot_param);
void btintel_reset_to_bootloader(struct hci_dev *hdev);
-
int btintel_read_debug_features(struct hci_dev *hdev,
struct intel_debug_features *features);
-
+int btintel_config_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -201,4 +201,9 @@ static inline int btintel_read_debug_features(struct hci_dev *hdev,
return -EOPNOTSUPP;
}
+static inline int btintel_config_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features)
+{
+ return -EOPNOTSUPP;
+}
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1d36141ebe65..b1573004ffac 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2547,6 +2547,8 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
*/
btintel_read_debug_features(hdev, &debug_features);
+ btintel_config_debug_features(hdev, &debug_features);
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version(hdev, &ver);
if (err)
--
2.17.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature
2020-06-08 12:27 [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Kiran K
2020-06-08 12:27 ` [PATCH v3 2/2] Bluetooth : Config debug feature based on available support Kiran K
@ 2020-06-10 8:07 ` Marcel Holtmann
1 sibling, 0 replies; 4+ messages in thread
From: Marcel Holtmann @ 2020-06-10 8:07 UTC (permalink / raw)
To: Kiran K
Cc: Bluez mailing list, Srivatsa, Ravishankar, kiraank, Chethan T N,
Ps AyappadasX
Hi Kiran,
> The command shall read the Intel controller supported
> debug feature. Based on the supported features additional debug
> configuration shall be enabled.
>
> Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
> Signed-off-by: Ps AyappadasX <AyappadasX.Ps@intel.com>
> Signed-off-by: Kiran K <kiran.k@intel.com>
> ---
> drivers/bluetooth/btintel.c | 33 +++++++++++++++++++++++++++++++++
> drivers/bluetooth/btintel.h | 15 +++++++++++++++
> drivers/bluetooth/btusb.c | 7 ++++++-
> 3 files changed, 54 insertions(+), 1 deletion(-)
patch has been applied to bluetooth-next tree.
Regards
Marcel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v3 2/2] Bluetooth : Config debug feature based on available support
2020-06-08 12:27 ` [PATCH v3 2/2] Bluetooth : Config debug feature based on available support Kiran K
@ 2020-06-10 8:07 ` Marcel Holtmann
0 siblings, 0 replies; 4+ messages in thread
From: Marcel Holtmann @ 2020-06-10 8:07 UTC (permalink / raw)
To: Kiran K
Cc: Bluez mailing list, ravishankar.srivatsa, kiraank, Chethan T N,
Ps AyappadasX
Hi Kiran,
> This patch shall enable the Intel telemetry exception format
> based on the supported features
>
> Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
> Signed-off-by: Ps AyappadasX <AyappadasX.Ps@intel.com>
> Signed-off-by: Kiran K <kiran.k@intel.com>
> ---
> drivers/bluetooth/btintel.c | 27 +++++++++++++++++++++++++++
> drivers/bluetooth/btintel.h | 9 +++++++--
> drivers/bluetooth/btusb.c | 2 ++
> 3 files changed, 36 insertions(+), 2 deletions(-)
patch has been applied to bluetooth-next tree.
Regards
Marcel
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-06-10 8:07 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2020-06-08 12:27 [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Kiran K
2020-06-08 12:27 ` [PATCH v3 2/2] Bluetooth : Config debug feature based on available support Kiran K
2020-06-10 8:07 ` Marcel Holtmann
2020-06-10 8:07 ` [PATCH v3 1/2] Bluetooth: Add support to read Intel debug feature Marcel Holtmann
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