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Message-Id: <20210805180227.v6.3.I50ffa4cd0b3ab11669ff2541fc719fee00b4e244@changeid>
Date: Thu, 5 Aug 2021 18:02:59 +0800
From: Joseph Hwang <josephsih@...omium.org>
To: linux-bluetooth@...r.kernel.org, marcel@...tmann.org,
luiz.dentz@...il.com, pali@...nel.org
Cc: josephsih@...gle.com, chromeos-bluetooth-upstreaming@...omium.org,
Joseph Hwang <josephsih@...omium.org>,
Miao-chen Chou <mcchou@...omium.org>,
Johan Hedberg <johan.hedberg@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 3/4] Bluetooth: set quality report callback for Intel
This patch sets up set_quality_report callback for Intel to
set and reset the debug features.
Reviewed-by: Miao-chen Chou <mcchou@...omium.org>
Signed-off-by: Joseph Hwang <josephsih@...omium.org>
---
(no changes since v5)
Changes in v5:
- Removed CONFIG_BT_FEATURE_QUALITY_REPORT since there was no
large size impact.
drivers/bluetooth/btintel.c | 73 ++++++++++++++++++++++++++++++++++++-
drivers/bluetooth/btintel.h | 9 +++++
drivers/bluetooth/btusb.c | 8 ++++
3 files changed, 89 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index fd21ddb76928..28ca51227453 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1254,8 +1254,10 @@ int btintel_set_debug_features(struct hci_dev *hdev,
u8 trace_enable = 0x02;
struct sk_buff *skb;
- if (!features)
+ if (!features) {
+ bt_dev_warn(hdev, "Debug features not read");
return -EINVAL;
+ }
if (!(features->page1[0] & 0x3f)) {
bt_dev_info(hdev, "Telemetry exception format not supported");
@@ -1286,10 +1288,79 @@ int btintel_set_debug_features(struct hci_dev *hdev,
}
kfree_skb(skb);
+ bt_dev_info(hdev, "set debug features: trace_enable 0x%02x mask 0x%02x",
+ trace_enable, mask[3]);
+
return 0;
}
EXPORT_SYMBOL_GPL(btintel_set_debug_features);
+int btintel_reset_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features)
+{
+ u8 mask[11] = { 0x0a, 0x92, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00 };
+ u8 trace_enable = 0x00;
+ struct sk_buff *skb;
+
+ if (!features) {
+ bt_dev_warn(hdev, "Debug features not read");
+ return -EINVAL;
+ }
+
+ if (!(features->page1[0] & 0x3f)) {
+ bt_dev_info(hdev, "Telemetry exception format not supported");
+ return 0;
+ }
+
+ /* Should stop the trace before writing ddc event mask. */
+ skb = __hci_cmd_sync(hdev, 0xfca1, 1, &trace_enable, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Stop tracing of link statistics events failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ skb = __hci_cmd_sync(hdev, 0xfc8b, 11, mask, 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);
+
+ bt_dev_info(hdev, "reset debug features: trace_enable 0x%02x mask 0x%02x",
+ trace_enable, mask[3]);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_reset_debug_features);
+
+int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
+{
+ struct intel_debug_features features;
+ int err;
+
+ bt_dev_dbg(hdev, "enable %d", enable);
+
+ /* Read the Intel supported features and if new exception formats
+ * supported, need to load the additional DDC config to enable.
+ */
+ err = btintel_read_debug_features(hdev, &features);
+ if (err)
+ return err;
+
+ /* Set or reset the debug features. */
+ if (enable)
+ err = btintel_set_debug_features(hdev, &features);
+ else
+ err = btintel_reset_debug_features(hdev, &features);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_set_quality_report);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@...tmann.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 d184064a5e7c..0926b8196021 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -175,6 +175,9 @@ int btintel_read_debug_features(struct hci_dev *hdev,
struct intel_debug_features *features);
int btintel_set_debug_features(struct hci_dev *hdev,
const struct intel_debug_features *features);
+int btintel_reset_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features);
+int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -307,4 +310,10 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev,
return -EOPNOTSUPP;
}
+static inline int btintel_reset_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 30462de288c7..a7a57fe5d872 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2923,6 +2923,9 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
btintel_load_ddc_config(hdev, ddcname);
}
+ hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);
+ bt_dev_dbg(hdev, "HCI_QUALITY_REPORT cleared");
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version(hdev, &ver);
if (err)
@@ -3010,6 +3013,9 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
*/
btintel_load_ddc_config(hdev, ddcname);
+ hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);
+ bt_dev_dbg(hdev, "HCI_QUALITY_REPORT cleared");
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version_tlv(hdev, &version);
if (err)
@@ -4819,6 +4825,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->set_diag = btintel_set_diag;
hdev->set_bdaddr = btintel_set_bdaddr;
hdev->cmd_timeout = btusb_intel_cmd_timeout;
+ hdev->set_quality_report = btintel_set_quality_report;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
@@ -4833,6 +4840,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->set_diag = btintel_set_diag;
hdev->set_bdaddr = btintel_set_bdaddr;
hdev->cmd_timeout = btusb_intel_cmd_timeout;
+ hdev->set_quality_report = btintel_set_quality_report;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
--
2.32.0.554.ge1b32706d8-goog
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