2019-11-06 00:31:09

by Abhishek Pandit-Subedi

[permalink] [raw]
Subject: [PATCH 2/4] Bluetooth: btbcm: Support pcm configuration

Add BCM vendor specific commands to configure PCM.

Signed-off-by: Abhishek Pandit-Subedi <[email protected]>
---

drivers/bluetooth/btbcm.c | 27 +++++++++++++++++++++++++++
drivers/bluetooth/btbcm.h | 12 ++++++++++++
2 files changed, 39 insertions(+)

diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 2d2e6d862068..1b6afb11844a 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -105,6 +105,33 @@ int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);

+int btbcm_set_pcm_params(struct hci_dev *hdev,
+ const struct bcm_set_pcm_int_params *int_params,
+ const struct bcm_set_pcm_format_params *format_params)
+{
+ struct sk_buff *skb;
+ int err;
+
+ skb = __hci_cmd_sync(hdev, 0xfc1c, 5, int_params, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "BCM: Set PCM int params failed (%d)", err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ skb = __hci_cmd_sync(hdev, 0xfc1e, 5, int_params, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "BCM: Set PCM data params failed (%d)", err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btbcm_set_pcm_params);
+
int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
{
const struct hci_command_hdr *cmd;
diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h
index d204be8a84bf..4cc6769f6bfb 100644
--- a/drivers/bluetooth/btbcm.h
+++ b/drivers/bluetooth/btbcm.h
@@ -49,11 +49,16 @@ struct bcm_set_pcm_format_params {
__u8 right_justify;
} __packed;

+#define BCM_PCM_PARAMS_COUNT 10
+
#if IS_ENABLED(CONFIG_BT_BCM)

int btbcm_check_bdaddr(struct hci_dev *hdev);
int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
+int btbcm_set_pcm_params(struct hci_dev *hdev,
+ const struct bcm_set_pcm_int_params *int_params,
+ const struct bcm_set_pcm_format_params *format_params);

int btbcm_setup_patchram(struct hci_dev *hdev);
int btbcm_setup_apple(struct hci_dev *hdev);
@@ -74,6 +79,13 @@ static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
return -EOPNOTSUPP;
}

+int btbcm_set_pcm_params(struct hci_dev *hdev,
+ const struct bcm_set_pcm_int_params *int_params,
+ const struct bcm_set_pcm_format_params *format_params)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
{
return -EOPNOTSUPP;
--
2.24.0.rc1.363.gb1bccd3e3d-goog