diff mbox series

[v3] Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support

Message ID 20200925090829.3088-1-rjliao@codeaurora.org
State New
Headers show
Series [v3] Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support | expand

Commit Message

Rocky Liao Sept. 25, 2020, 9:08 a.m. UTC
This patch add support for WCN6855 i.e. patch and nvm download
support.

Signed-off-by: Rocky Liao <rjliao@codeaurora.org>
---
 drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++--------
 1 file changed, 53 insertions(+), 13 deletions(-)

Comments

Marcel Holtmann Sept. 25, 2020, 4:08 p.m. UTC | #1
Hi Rocky,

> This patch add support for WCN6855 i.e. patch and nvm download

> support.


please always include the content of /sys/kernel/debug/usb/devices for this hardware.

> 

> Signed-off-by: Rocky Liao <rjliao@codeaurora.org>

> ---

> drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++--------

> 1 file changed, 53 insertions(+), 13 deletions(-)

> 

> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c

> index 9f294b941943..e888e4c02d69 100644

> --- a/drivers/bluetooth/btusb.c

> +++ b/drivers/bluetooth/btusb.c

> @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver;

> #define BTUSB_MEDIATEK		0x200000

> #define BTUSB_WIDEBAND_SPEECH	0x400000

> #define BTUSB_VALID_LE_STATES   0x800000

> +#define BTUSB_QCA_WCN6855	0x1000000

> 

> static const struct usb_device_id btusb_table[] = {

> 	/* Generic Bluetooth USB device */

> @@ -291,6 +292,10 @@ static const struct usb_device_id blacklist_table[] = {

> 	{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |

> 						     BTUSB_WIDEBAND_SPEECH },

> 

> +	/* QCA WCN6855 chipset */

> +	{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |

> +						     BTUSB_WIDEBAND_SPEECH },

> +

> 	/* Broadcom BCM2035 */

> 	{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },

> 	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },

> @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,

> 	return 0;

> }

> 

> +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,

> +				const bdaddr_t *bdaddr)

> +{

> +	struct sk_buff *skb;

> +	u8 buf[6];

> +	long ret;

> +

> +	memcpy(buf, bdaddr, sizeof(bdaddr_t));

> +

> +	skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,

> +				HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);

> +	if (IS_ERR(skb)) {

> +		ret = PTR_ERR(skb);

> +		bt_dev_err(hdev, "Change address command failed (%ld)", ret);

> +		return ret;

> +	}

> +	kfree_skb(skb);

> +

> +	return 0;

> +}

> +

> #define QCA_DFU_PACKET_LEN	4096

> 

> #define QCA_GET_TARGET_VERSION	0x09

> @@ -3428,7 +3454,8 @@ struct qca_version {

> } __packed;

> 

> struct qca_rampatch_version {

> -	__le16	rom_version;

> +	__le16	rom_version_high;

> +	__le16  rom_version_low;

> 	__le16	patch_version;

> } __packed;


How does this work. The struct now has an extra 16-bit in the middle. Is this backwards compatible?

> 

> @@ -3440,12 +3467,14 @@ struct qca_device_info {

> };

> 

> static const struct qca_device_info qca_devices_table[] = {

> -	{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */

> -	{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */

> -	{ 0x00000200, 28, 4, 18 }, /* Rome 2.0 */

> -	{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */

> -	{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */

> -	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */

> +	{ 0x00000100, 20, 4, 8 }, /* Rome 1.0 */

> +	{ 0x00000101, 20, 4, 8 }, /* Rome 1.1 */


Align it with 8  }

> +	{ 0x00000200, 28, 4, 16 }, /* Rome 2.0 */

> +	{ 0x00000201, 28, 4, 16 }, /* Rome 2.1 */

> +	{ 0x00000300, 28, 4, 16 }, /* Rome 3.0 */

> +	{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */

> +	{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */

> +	{ 0x00130200, 40, 4, 16 }  /* WCN6855 2.0 */


And the last one should also be },

> };

> 

> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,

> @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,

> {

> 	struct qca_rampatch_version *rver;

> 	const struct firmware *fw;

> -	u32 ver_rom, ver_patch;

> -	u16 rver_rom, rver_patch;

> +	u32 ver_rom, ver_patch, rver_rom;

> +	u16 rver_rom_low, rver_rom_high, rver_patch;

> 	char fwname[64];

> 	int err;

> 

> @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,

> 	bt_dev_info(hdev, "using rampatch file: %s", fwname);

> 

> 	rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);

> -	rver_rom = le16_to_cpu(rver->rom_version);

> +	rver_rom_low = le16_to_cpu(rver->rom_version_low);

> 	rver_patch = le16_to_cpu(rver->patch_version);

> 

> +	if (ver_rom & ~0xffffU) {

> +		rver_rom_high = le16_to_cpu(rver->rom_version_high);

> +		rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);

> +	} else {

> +		rver_rom = rver_rom_low;

> +	}

> +

> 	bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "

> 		    "firmware rome 0x%x build 0x%x",

> 		    rver_rom, rver_patch, ver_rom, ver_patch);

> @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev)

> 		return err;

> 

> 	ver_rom = le32_to_cpu(ver.rom_version);

> -	/* Don't care about high ROM versions */

> -	if (ver_rom & ~0xffffU)

> -		return 0;

> 

> 	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {

> 		if (ver_rom == qca_devices_table[i].rom_version)

> @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface *intf,

> 		btusb_check_needs_reset_resume(intf);

> 	}

> 

> +	if (id->driver_info & BTUSB_QCA_WCN6855) {

> +		data->setup_on_usb = btusb_setup_qca;

> +		hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;

> +		hdev->cmd_timeout = btusb_qca_cmd_timeout;

> +		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);

> +	}

> +

> 	if (id->driver_info & BTUSB_AMP) {

> 		/* AMP controllers do not support SCO packets */

> 		data->isoc = NULL;


Regards

Marcel
Rocky Liao Sept. 28, 2020, 2:11 a.m. UTC | #2
Hi Marcel,

在 2020-09-26 00:08,Marcel Holtmann 写道:
> Hi Rocky,

> 

>> This patch add support for WCN6855 i.e. patch and nvm download

>> support.

> 

> please always include the content of /sys/kernel/debug/usb/devices for

> this hardware.

> 

OK.

>> 

>> Signed-off-by: Rocky Liao <rjliao@codeaurora.org>

>> ---

>> drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++--------

>> 1 file changed, 53 insertions(+), 13 deletions(-)

>> 

>> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c

>> index 9f294b941943..e888e4c02d69 100644

>> --- a/drivers/bluetooth/btusb.c

>> +++ b/drivers/bluetooth/btusb.c

>> @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver;

>> #define BTUSB_MEDIATEK		0x200000

>> #define BTUSB_WIDEBAND_SPEECH	0x400000

>> #define BTUSB_VALID_LE_STATES   0x800000

>> +#define BTUSB_QCA_WCN6855	0x1000000

>> 

>> static const struct usb_device_id btusb_table[] = {

>> 	/* Generic Bluetooth USB device */

>> @@ -291,6 +292,10 @@ static const struct usb_device_id 

>> blacklist_table[] = {

>> 	{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |

>> 						     BTUSB_WIDEBAND_SPEECH },

>> 

>> +	/* QCA WCN6855 chipset */

>> +	{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |

>> +						     BTUSB_WIDEBAND_SPEECH },

>> +

>> 	/* Broadcom BCM2035 */

>> 	{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },

>> 	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },

>> @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct 

>> hci_dev *hdev,

>> 	return 0;

>> }

>> 

>> +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,

>> +				const bdaddr_t *bdaddr)

>> +{

>> +	struct sk_buff *skb;

>> +	u8 buf[6];

>> +	long ret;

>> +

>> +	memcpy(buf, bdaddr, sizeof(bdaddr_t));

>> +

>> +	skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,

>> +				HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);

>> +	if (IS_ERR(skb)) {

>> +		ret = PTR_ERR(skb);

>> +		bt_dev_err(hdev, "Change address command failed (%ld)", ret);

>> +		return ret;

>> +	}

>> +	kfree_skb(skb);

>> +

>> +	return 0;

>> +}

>> +

>> #define QCA_DFU_PACKET_LEN	4096

>> 

>> #define QCA_GET_TARGET_VERSION	0x09

>> @@ -3428,7 +3454,8 @@ struct qca_version {

>> } __packed;

>> 

>> struct qca_rampatch_version {

>> -	__le16	rom_version;

>> +	__le16	rom_version_high;

>> +	__le16  rom_version_low;

>> 	__le16	patch_version;

>> } __packed;

> 

> How does this work. The struct now has an extra 16-bit in the middle.

> Is this backwards compatible?

> 

It works with old HW by shift the offset byte in qca_devices_table, from 
18 to 16.
So for old HW only rom_version_low is being used and it still points to 
the correct
bytes.

>> 

>> @@ -3440,12 +3467,14 @@ struct qca_device_info {

>> };

>> 

>> static const struct qca_device_info qca_devices_table[] = {

>> -	{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */

>> -	{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */

>> -	{ 0x00000200, 28, 4, 18 }, /* Rome 2.0 */

>> -	{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */

>> -	{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */

>> -	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */

>> +	{ 0x00000100, 20, 4, 8 }, /* Rome 1.0 */

>> +	{ 0x00000101, 20, 4, 8 }, /* Rome 1.1 */

> 

> Align it with 8  }

> 

OK.

>> +	{ 0x00000200, 28, 4, 16 }, /* Rome 2.0 */

>> +	{ 0x00000201, 28, 4, 16 }, /* Rome 2.1 */

>> +	{ 0x00000300, 28, 4, 16 }, /* Rome 3.0 */

>> +	{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */

>> +	{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */

>> +	{ 0x00130200, 40, 4, 16 }  /* WCN6855 2.0 */

> 

> And the last one should also be },

> 

OK.

>> };

>> 

>> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 

>> request,

>> @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct 

>> hci_dev *hdev,

>> {

>> 	struct qca_rampatch_version *rver;

>> 	const struct firmware *fw;

>> -	u32 ver_rom, ver_patch;

>> -	u16 rver_rom, rver_patch;

>> +	u32 ver_rom, ver_patch, rver_rom;

>> +	u16 rver_rom_low, rver_rom_high, rver_patch;

>> 	char fwname[64];

>> 	int err;

>> 

>> @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct 

>> hci_dev *hdev,

>> 	bt_dev_info(hdev, "using rampatch file: %s", fwname);

>> 

>> 	rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);

>> -	rver_rom = le16_to_cpu(rver->rom_version);

>> +	rver_rom_low = le16_to_cpu(rver->rom_version_low);

>> 	rver_patch = le16_to_cpu(rver->patch_version);

>> 

>> +	if (ver_rom & ~0xffffU) {

>> +		rver_rom_high = le16_to_cpu(rver->rom_version_high);

>> +		rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);

>> +	} else {

>> +		rver_rom = rver_rom_low;

>> +	}

>> +

>> 	bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "

>> 		    "firmware rome 0x%x build 0x%x",

>> 		    rver_rom, rver_patch, ver_rom, ver_patch);

>> @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev)

>> 		return err;

>> 

>> 	ver_rom = le32_to_cpu(ver.rom_version);

>> -	/* Don't care about high ROM versions */

>> -	if (ver_rom & ~0xffffU)

>> -		return 0;

>> 

>> 	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {

>> 		if (ver_rom == qca_devices_table[i].rom_version)

>> @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface 

>> *intf,

>> 		btusb_check_needs_reset_resume(intf);

>> 	}

>> 

>> +	if (id->driver_info & BTUSB_QCA_WCN6855) {

>> +		data->setup_on_usb = btusb_setup_qca;

>> +		hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;

>> +		hdev->cmd_timeout = btusb_qca_cmd_timeout;

>> +		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);

>> +	}

>> +

>> 	if (id->driver_info & BTUSB_AMP) {

>> 		/* AMP controllers do not support SCO packets */

>> 		data->isoc = NULL;

> 

> Regards

> 

> Marcel
diff mbox series

Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 9f294b941943..e888e4c02d69 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -59,6 +59,7 @@  static struct usb_driver btusb_driver;
 #define BTUSB_MEDIATEK		0x200000
 #define BTUSB_WIDEBAND_SPEECH	0x400000
 #define BTUSB_VALID_LE_STATES   0x800000
+#define BTUSB_QCA_WCN6855	0x1000000
 
 static const struct usb_device_id btusb_table[] = {
 	/* Generic Bluetooth USB device */
@@ -291,6 +292,10 @@  static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
 						     BTUSB_WIDEBAND_SPEECH },
 
+	/* QCA WCN6855 chipset */
+	{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
+						     BTUSB_WIDEBAND_SPEECH },
+
 	/* Broadcom BCM2035 */
 	{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
 	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -3409,6 +3414,27 @@  static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
 	return 0;
 }
 
+static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
+				const bdaddr_t *bdaddr)
+{
+	struct sk_buff *skb;
+	u8 buf[6];
+	long ret;
+
+	memcpy(buf, bdaddr, sizeof(bdaddr_t));
+
+	skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,
+				HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		bt_dev_err(hdev, "Change address command failed (%ld)", ret);
+		return ret;
+	}
+	kfree_skb(skb);
+
+	return 0;
+}
+
 #define QCA_DFU_PACKET_LEN	4096
 
 #define QCA_GET_TARGET_VERSION	0x09
@@ -3428,7 +3454,8 @@  struct qca_version {
 } __packed;
 
 struct qca_rampatch_version {
-	__le16	rom_version;
+	__le16	rom_version_high;
+	__le16  rom_version_low;
 	__le16	patch_version;
 } __packed;
 
@@ -3440,12 +3467,14 @@  struct qca_device_info {
 };
 
 static const struct qca_device_info qca_devices_table[] = {
-	{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
-	{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
-	{ 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
-	{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
-	{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
-	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
+	{ 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
+	{ 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
+	{ 0x00000200, 28, 4, 16 }, /* Rome 2.0 */
+	{ 0x00000201, 28, 4, 16 }, /* Rome 2.1 */
+	{ 0x00000300, 28, 4, 16 }, /* Rome 3.0 */
+	{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
+	{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
+	{ 0x00130200, 40, 4, 16 }  /* WCN6855 2.0 */
 };
 
 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
@@ -3547,8 +3576,8 @@  static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
 {
 	struct qca_rampatch_version *rver;
 	const struct firmware *fw;
-	u32 ver_rom, ver_patch;
-	u16 rver_rom, rver_patch;
+	u32 ver_rom, ver_patch, rver_rom;
+	u16 rver_rom_low, rver_rom_high, rver_patch;
 	char fwname[64];
 	int err;
 
@@ -3567,9 +3596,16 @@  static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
 	bt_dev_info(hdev, "using rampatch file: %s", fwname);
 
 	rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
-	rver_rom = le16_to_cpu(rver->rom_version);
+	rver_rom_low = le16_to_cpu(rver->rom_version_low);
 	rver_patch = le16_to_cpu(rver->patch_version);
 
+	if (ver_rom & ~0xffffU) {
+		rver_rom_high = le16_to_cpu(rver->rom_version_high);
+		rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);
+	} else {
+		rver_rom = rver_rom_low;
+	}
+
 	bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
 		    "firmware rome 0x%x build 0x%x",
 		    rver_rom, rver_patch, ver_rom, ver_patch);
@@ -3643,9 +3679,6 @@  static int btusb_setup_qca(struct hci_dev *hdev)
 		return err;
 
 	ver_rom = le32_to_cpu(ver.rom_version);
-	/* Don't care about high ROM versions */
-	if (ver_rom & ~0xffffU)
-		return 0;
 
 	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
 		if (ver_rom == qca_devices_table[i].rom_version)
@@ -4081,6 +4114,13 @@  static int btusb_probe(struct usb_interface *intf,
 		btusb_check_needs_reset_resume(intf);
 	}
 
+	if (id->driver_info & BTUSB_QCA_WCN6855) {
+		data->setup_on_usb = btusb_setup_qca;
+		hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
+		hdev->cmd_timeout = btusb_qca_cmd_timeout;
+		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+	}
+
 	if (id->driver_info & BTUSB_AMP) {
 		/* AMP controllers do not support SCO packets */
 		data->isoc = NULL;