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From:   Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
To:     Marcel Holtmann <marcel@holtmann.org>,
        Johan Hedberg <johan.hedberg@gmail.com>
Cc:     linux-bluetooth@vger.kernel.org,
        Abhishek Pandit-Subedi <abhishekpandit@chromium.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH 2/4] Bluetooth: btbcm: Support pcm configuration
Date:   Tue,  5 Nov 2019 16:29:21 -0800
Message-Id: <20191106002923.109344-3-abhishekpandit@chromium.org>
In-Reply-To: <20191106002923.109344-1-abhishekpandit@chromium.org>
References: <20191106002923.109344-1-abhishekpandit@chromium.org>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
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Add BCM vendor specific commands to configure PCM.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
---

 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