From: Kiran K <kiran.k@intel.com>
To: linux-bluetooth@vger.kernel.org
Cc: Kiran K <kiran.k@intel.com>
Subject: [PATCH v9 04/10] Bluetooth: btintel: set get_data_path callback
Date: Tue, 8 Jun 2021 17:54:49 +0530 [thread overview]
Message-ID: <20210608122455.19583-4-kiran.k@intel.com> (raw)
In-Reply-To: <20210608122455.19583-1-kiran.k@intel.com>
Read supported offload usecases and set get_data_path callback if
controller suppports offload codecs.
Signed-off-by: Kiran K <kiran.k@intel.com>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com>
---
drivers/bluetooth/btintel.c | 36 ++++++++++++++++++++++++++++++++++++
drivers/bluetooth/btintel.h | 18 ++++++++++++++++++
drivers/bluetooth/btusb.c | 8 ++++++++
3 files changed, 62 insertions(+)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index e44b6993cf91..95c6a1bef35e 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1272,6 +1272,42 @@ int btintel_set_debug_features(struct hci_dev *hdev,
}
EXPORT_SYMBOL_GPL(btintel_set_debug_features);
+int btintel_get_data_path(struct hci_dev *hdev)
+{
+ return 1;
+}
+EXPORT_SYMBOL_GPL(btintel_get_data_path);
+
+int btintel_read_offload_usecases(struct hci_dev *hdev,
+ struct intel_offload_usecases *usecases)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading offload usecases failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len < sizeof(*usecases)) {
+ err = -EIO;
+ goto error;
+ }
+
+ if (skb->data[0]) {
+ err = -bt_to_errno(skb->data[0]);
+ goto error;
+ }
+
+ memcpy(usecases, skb->data, sizeof(*usecases));
+error:
+ kfree_skb(skb);
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_read_offload_usecases);
+
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 d184064a5e7c..9bcc489680db 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -132,6 +132,11 @@ struct intel_debug_features {
__u8 page1[16];
} __packed;
+struct intel_offload_usecases {
+ __u8 status;
+ __u8 preset[8];
+} __packed;
+
#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
@@ -175,6 +180,9 @@ 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_read_offload_usecases(struct hci_dev *hdev,
+ struct intel_offload_usecases *usecases);
+int btintel_get_data_path(struct hci_dev *hdev);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -307,4 +315,14 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev,
return -EOPNOTSUPP;
}
+static int btintel_read_offload_usecases(struct hci_dev *hdev,
+ struct intel_offload_usecases *usecases)
+{
+ return -EOPNOTSUPP;
+}
+
+static int btintel_get_data_path(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a9855a2dd561..1e51beec5776 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2952,6 +2952,7 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
int err;
struct intel_debug_features features;
struct intel_version_tlv version;
+ struct intel_offload_usecases usecases;
bt_dev_dbg(hdev, "");
@@ -3008,6 +3009,13 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
/* Set DDC mask for available debug features */
btintel_set_debug_features(hdev, &features);
+ err = btintel_read_offload_usecases(hdev, &usecases);
+ if (!err) {
+ /* set get_data_path callback if offload is supported */
+ if (usecases.preset[0] & 0x03)
+ hdev->get_data_path = btintel_get_data_path;
+ }
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version_tlv(hdev, &version);
if (err)
--
2.17.1
next prev parent reply other threads:[~2021-06-08 12:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 12:24 [PATCH v9 01/10] Bluetooth: enumerate local supported codec and cache details Kiran K
2021-06-08 12:24 ` [PATCH v9 02/10] Bluetooth: Add support for Read Local Supported Codecs V2 Kiran K
2021-06-08 12:24 ` [PATCH v9 03/10] Bluetooth: Add a callback function to retireve data path Kiran K
2021-06-15 19:26 ` Marcel Holtmann
2021-06-16 2:56 ` K, Kiran
2021-06-16 5:17 ` Marcel Holtmann
2021-06-08 12:24 ` Kiran K [this message]
2021-06-15 19:30 ` [PATCH v9 04/10] Bluetooth: btintel: set get_data_path callback Marcel Holtmann
2021-06-16 3:02 ` K, Kiran
2021-06-08 12:24 ` [PATCH v9 05/10] Bluetooth: Add BT_CODEC option for getsockopt for SCO socket Kiran K
2021-06-15 19:37 ` Marcel Holtmann
2021-06-08 12:24 ` [PATCH v9 06/10] Bluetooth: Add a callback function to set data path Kiran K
2021-06-15 19:37 ` Marcel Holtmann
2021-06-08 12:24 ` [PATCH v9 07/10] Bluetooth: btintel: define callback " Kiran K
2021-06-15 19:39 ` Marcel Holtmann
2021-06-16 3:10 ` K, Kiran
2021-06-16 5:18 ` Marcel Holtmann
2021-06-17 7:53 ` K, Kiran
2021-06-17 10:19 ` Marcel Holtmann
2021-06-23 3:21 ` K, Kiran
2021-06-08 12:24 ` [PATCH v9 08/10] Bluetooth: Add BT_CODEC option for setsockopt over SCO Kiran K
2021-06-08 12:24 ` [PATCH v9 09/10] Bluetooth: Add support for HCI_Enhanced_Setup_Synchronous_Connection command Kiran K
2021-06-08 12:24 ` [PATCH v9 10/10] Bluetooth: Add support for msbc coding format Kiran K
2021-06-15 19:43 ` Marcel Holtmann
2021-06-23 3:24 ` K, Kiran
2021-06-08 13:39 ` [v9,01/10] Bluetooth: enumerate local supported codec and cache details bluez.test.bot
2021-06-08 18:49 ` [PATCH v9 01/10] " kernel test robot
2021-06-15 19:25 ` Marcel Holtmann
2021-06-16 2:51 ` K, Kiran
2021-06-16 5:15 ` Marcel Holtmann
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