diff mbox series

[v7,1/2] Bluetooth: hci_qca: Added support for WCN3998

Message ID 1556194416-30842-2-git-send-email-c-hbandi@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series Enable Bluetooth functionality for WCN3998. | expand

Commit Message

Harish Bandi April 25, 2019, 12:13 p.m. UTC
Added new compatible for WCN3998 and corresponding voltage
and current values to WCN3998 compatible.
Changed driver code to support WCN3998

Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
---
Changes in V7:
- Initialized rom_ver to 0 to fix compiler warning 
---
 drivers/bluetooth/btqca.c   | 12 +++++++++---
 drivers/bluetooth/btqca.h   |  8 +++++++-
 drivers/bluetooth/hci_qca.c | 40 ++++++++++++++++++++++++++--------------
 3 files changed, 42 insertions(+), 18 deletions(-)

Comments

Marcel Holtmann April 25, 2019, 12:47 p.m. UTC | #1
Hi Harish,

> Added new compatible for WCN3998 and corresponding voltage
> and current values to WCN3998 compatible.
> Changed driver code to support WCN3998
> 
> Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> Changes in V7:
> - Initialized rom_ver to 0 to fix compiler warning 
> ---
> drivers/bluetooth/btqca.c   | 12 +++++++++---
> drivers/bluetooth/btqca.h   |  8 +++++++-
> drivers/bluetooth/hci_qca.c | 40 ++++++++++++++++++++++++++--------------
> 3 files changed, 42 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
> index 6122685..495a52f 100644
> --- a/drivers/bluetooth/btqca.c
> +++ b/drivers/bluetooth/btqca.c
> @@ -336,7 +336,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
> {
> 	struct rome_config config;
> 	int err;
> -	u8 rom_ver;
> +	u8 rom_ver = 0;

what is this change for?

> 	bt_dev_dbg(hdev, "QCA setup on UART");
> 
> @@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
> 
> 	/* Download rampatch file */
> 	config.type = TLV_TYPE_PATCH;
> -	if (soc_type == QCA_WCN3990) {
> +	if (qca_is_wcn399x(soc_type)) {
> 		/* Firmware files to download are based on ROM version.
> 		 * ROM version is derived from last two bytes of soc_ver.
> 		 */
> @@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
> 
> 	/* Download NVM configuration */
> 	config.type = TLV_TYPE_NVM;
> -	if (soc_type == QCA_WCN3990)
> +	if (qca_is_wcn399x(soc_type))
> 		snprintf(config.fwname, sizeof(config.fwname),
> 			 "qca/crnv%02x.bin", rom_ver);
> 	else
> @@ -410,6 +410,12 @@ int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
> }
> EXPORT_SYMBOL_GPL(qca_set_bdaddr);
> 
> +bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
> +{
> +	return ((soc_type == QCA_WCN3990) || (soc_type == QCA_WCN3998));

no () needed around soc_type = check.

> +}
> +EXPORT_SYMBOL_GPL(qca_is_wcn399x);
> +

Why is this exported. Make this an inline function in btqca.h.

> MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
> MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
> MODULE_VERSION(VERSION);
> diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
> index 6fdc25d..0f68c9e7 100644
> --- a/drivers/bluetooth/btqca.h
> +++ b/drivers/bluetooth/btqca.h
> @@ -132,7 +132,8 @@ enum qca_btsoc_type {
> 	QCA_INVALID = -1,
> 	QCA_AR3002,
> 	QCA_ROME,
> -	QCA_WCN3990
> +	QCA_WCN3990,
> +	QCA_WCN3998,
> };
> 
> #if IS_ENABLED(CONFIG_BT_QCA)
> @@ -142,6 +143,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
> 		   enum qca_btsoc_type soc_type, u32 soc_ver);
> int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
> int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
> +bool qca_is_wcn399x(enum qca_btsoc_type soc_type);
> #else
> 
> static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
> @@ -165,4 +167,8 @@ static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
> 	return -EOPNOTSUPP;
> }
> 
> +static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
> +{
> +	return false;
> +}
> #endif
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 7f75652..c53ee8d 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -521,7 +521,7 @@ static int qca_open(struct hci_uart *hu)
> 	if (hu->serdev) {
> 
> 		qcadev = serdev_device_get_drvdata(hu->serdev);
> -		if (qcadev->btsoc_type != QCA_WCN3990) {
> +		if (!qca_is_wcn399x(qcadev->btsoc_type)) {
> 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
> 			/* Controller needs time to bootup. */
> 			msleep(150);
> @@ -629,7 +629,7 @@ static int qca_close(struct hci_uart *hu)
> 
> 	if (hu->serdev) {
> 		qcadev = serdev_device_get_drvdata(hu->serdev);
> -		if (qcadev->btsoc_type == QCA_WCN3990)
> +		if (qca_is_wcn399x(qcadev->btsoc_type))
> 			qca_power_shutdown(hu);
> 		else
> 			gpiod_set_value_cansleep(qcadev->bt_en, 0);
> @@ -1011,7 +1011,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
> 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
> 
> 	/* Give the controller time to process the request */
> -	if (qca_soc_type(hu) == QCA_WCN3990)
> +	if (qca_is_wcn399x(qca_soc_type(hu)))
> 		msleep(10);
> 	else
> 		msleep(300);
> @@ -1087,7 +1087,7 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
> 
> static int qca_check_speeds(struct hci_uart *hu)
> {
> -	if (qca_soc_type(hu) == QCA_WCN3990) {
> +	if (qca_is_wcn399x(qca_soc_type(hu))) {
> 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
> 		    !qca_get_speed(hu, QCA_OPER_SPEED))
> 			return -EINVAL;
> @@ -1119,7 +1119,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
> 		/* Disable flow control for wcn3990 to deassert RTS while
> 		 * changing the baudrate of chip and host.
> 		 */
> -		if (soc_type == QCA_WCN3990)
> +		if (qca_is_wcn399x(soc_type))
> 			hci_uart_set_flow_control(hu, true);
> 
> 		qca_baudrate = qca_get_baudrate_value(speed);
> @@ -1131,7 +1131,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
> 		host_set_baudrate(hu, speed);
> 
> error:
> -		if (soc_type == QCA_WCN3990)
> +		if (qca_is_wcn399x(soc_type))
> 			hci_uart_set_flow_control(hu, false);
> 	}
> 
> @@ -1204,7 +1204,7 @@ static int qca_setup(struct hci_uart *hu)
> 	/* Patch downloading has to be done without IBS mode */
> 	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
> 
> -	if (soc_type == QCA_WCN3990) {
> +	if (qca_is_wcn399x(soc_type)) {
> 		bt_dev_info(hdev, "setting up wcn3990");
> 
> 		/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
> @@ -1235,7 +1235,7 @@ static int qca_setup(struct hci_uart *hu)
> 		qca_baudrate = qca_get_baudrate_value(speed);
> 	}
> 
> -	if (soc_type != QCA_WCN3990) {
> +	if (!qca_is_wcn399x(soc_type)) {
> 		/* Get QCA version information */
> 		ret = qca_read_soc_version(hdev, &soc_ver);
> 		if (ret)
> @@ -1260,7 +1260,7 @@ static int qca_setup(struct hci_uart *hu)
> 	}
> 
> 	/* Setup bdaddr */
> -	if (soc_type == QCA_WCN3990)
> +	if (qca_is_wcn399x(soc_type))
> 		hu->hdev->set_bdaddr = qca_set_bdaddr;
> 	else
> 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
> @@ -1283,7 +1283,7 @@ static int qca_setup(struct hci_uart *hu)
> 	.dequeue	= qca_dequeue,
> };
> 
> -static const struct qca_vreg_data qca_soc_data = {
> +static const struct qca_vreg_data qca_soc_data_wcn3990 = {
> 	.soc_type = QCA_WCN3990,
> 	.vregs = (struct qca_vreg []) {
> 		{ "vddio",   1800000, 1900000,  15000  },
> @@ -1294,6 +1294,17 @@ static int qca_setup(struct hci_uart *hu)
> 	.num_vregs = 4,
> };
> 
> +static const struct qca_vreg_data qca_soc_data_wcn3998 = {
> +	.soc_type = QCA_WCN3998,
> +	.vregs = (struct qca_vreg []) {
> +		{ "vddio",   1800000, 1900000,  10000  },
> +		{ "vddxo",   1800000, 1900000,  80000  },
> +		{ "vddrf",   1300000, 1352000,  300000 },
> +		{ "vddch0",  3300000, 3300000,  450000 },
> +	},
> +	.num_vregs = 4,
> +};
> +
> static void qca_power_shutdown(struct hci_uart *hu)
> {
> 	struct qca_data *qca = hu->priv;
> @@ -1427,8 +1438,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
> 	qcadev->serdev_hu.serdev = serdev;
> 	data = of_device_get_match_data(&serdev->dev);
> 	serdev_device_set_drvdata(serdev, qcadev);
> -	if (data && data->soc_type == QCA_WCN3990) {
> -		qcadev->btsoc_type = QCA_WCN3990;
> +	if (data && qca_is_wcn399x(data->soc_type)) {
> +		qcadev->btsoc_type = data->soc_type;
> 		qcadev->bt_power = devm_kzalloc(&serdev->dev,
> 						sizeof(struct qca_power),
> 						GFP_KERNEL);
> @@ -1492,7 +1503,7 @@ static void qca_serdev_remove(struct serdev_device *serdev)
> {
> 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
> 
> -	if (qcadev->btsoc_type == QCA_WCN3990)
> +	if (qca_is_wcn399x(qcadev->btsoc_type))
> 		qca_power_shutdown(&qcadev->serdev_hu);
> 	else
> 		clk_disable_unprepare(qcadev->susclk);
> @@ -1502,7 +1513,8 @@ static void qca_serdev_remove(struct serdev_device *serdev)
> 
> static const struct of_device_id qca_bluetooth_of_match[] = {
> 	{ .compatible = "qcom,qca6174-bt" },
> -	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
> +	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
> +	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
> 	{ /* sentinel */ }
> };
> MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);

Regards

Marcel
Harish Bandi April 25, 2019, 1:40 p.m. UTC | #2
Hi Marcel,

On 2019-04-25 18:17, Marcel Holtmann wrote:
> Hi Harish,
> 
>> Added new compatible for WCN3998 and corresponding voltage
>> and current values to WCN3998 compatible.
>> Changed driver code to support WCN3998
>> 
>> Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
>> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
>> ---
>> Changes in V7:
>> - Initialized rom_ver to 0 to fix compiler warning
>> ---
>> drivers/bluetooth/btqca.c   | 12 +++++++++---
>> drivers/bluetooth/btqca.h   |  8 +++++++-
>> drivers/bluetooth/hci_qca.c | 40 
>> ++++++++++++++++++++++++++--------------
>> 3 files changed, 42 insertions(+), 18 deletions(-)
>> 
>> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
>> index 6122685..495a52f 100644
>> --- a/drivers/bluetooth/btqca.c
>> +++ b/drivers/bluetooth/btqca.c
>> @@ -336,7 +336,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t 
>> baudrate,
>> {
>> 	struct rome_config config;
>> 	int err;
>> -	u8 rom_ver;
>> +	u8 rom_ver = 0;
> 
> what is this change for?
[Harish] - kbuild test robot gave compiler warning. So initialized.
drivers/bluetooth/btqca.c:369:3: warning: 'rom_ver' may be used 
uninitialized in this function [-Wmaybe-uninitialized]

> 
>> 	bt_dev_dbg(hdev, "QCA setup on UART");
>> 
>> @@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t 
>> baudrate,
>> 
>> 	/* Download rampatch file */
>> 	config.type = TLV_TYPE_PATCH;
>> -	if (soc_type == QCA_WCN3990) {
>> +	if (qca_is_wcn399x(soc_type)) {
>> 		/* Firmware files to download are based on ROM version.
>> 		 * ROM version is derived from last two bytes of soc_ver.
>> 		 */
>> @@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t 
>> baudrate,
>> 
>> 	/* Download NVM configuration */
>> 	config.type = TLV_TYPE_NVM;
>> -	if (soc_type == QCA_WCN3990)
>> +	if (qca_is_wcn399x(soc_type))
>> 		snprintf(config.fwname, sizeof(config.fwname),
>> 			 "qca/crnv%02x.bin", rom_ver);
>> 	else
>> @@ -410,6 +410,12 @@ int qca_set_bdaddr(struct hci_dev *hdev, const 
>> bdaddr_t *bdaddr)
>> }
>> EXPORT_SYMBOL_GPL(qca_set_bdaddr);
>> 
>> +bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
>> +{
>> +	return ((soc_type == QCA_WCN3990) || (soc_type == QCA_WCN3998));
> 
> no () needed around soc_type = check.

[Harish]  - OK, will change it.
> 
>> +}
>> +EXPORT_SYMBOL_GPL(qca_is_wcn399x);
>> +
> 
> Why is this exported. Make this an inline function in btqca.h.
[Harish] - This was used in btqca.c also to check the soc_type

  -	if (soc_type == QCA_WCN3990) {
>> +	if (qca_is_wcn399x(soc_type)) {


> 
>> MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
>> MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver 
>> " VERSION);
>> MODULE_VERSION(VERSION);
>> diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
>> index 6fdc25d..0f68c9e7 100644
>> --- a/drivers/bluetooth/btqca.h
>> +++ b/drivers/bluetooth/btqca.h
>> @@ -132,7 +132,8 @@ enum qca_btsoc_type {
>> 	QCA_INVALID = -1,
>> 	QCA_AR3002,
>> 	QCA_ROME,
>> -	QCA_WCN3990
>> +	QCA_WCN3990,
>> +	QCA_WCN3998,
>> };
>> 
>> #if IS_ENABLED(CONFIG_BT_QCA)
>> @@ -142,6 +143,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t 
>> baudrate,
>> 		   enum qca_btsoc_type soc_type, u32 soc_ver);
>> int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
>> int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
>> +bool qca_is_wcn399x(enum qca_btsoc_type soc_type);
>> #else
>> 
>> static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const 
>> bdaddr_t *bdaddr)
>> @@ -165,4 +167,8 @@ static inline int qca_set_bdaddr(struct hci_dev 
>> *hdev, const bdaddr_t *bdaddr)
>> 	return -EOPNOTSUPP;
>> }
>> 
>> +static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
>> +{
>> +	return false;
>> +}
>> #endif
>> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
>> index 7f75652..c53ee8d 100644
>> --- a/drivers/bluetooth/hci_qca.c
>> +++ b/drivers/bluetooth/hci_qca.c
>> @@ -521,7 +521,7 @@ static int qca_open(struct hci_uart *hu)
>> 	if (hu->serdev) {
>> 
>> 		qcadev = serdev_device_get_drvdata(hu->serdev);
>> -		if (qcadev->btsoc_type != QCA_WCN3990) {
>> +		if (!qca_is_wcn399x(qcadev->btsoc_type)) {
>> 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
>> 			/* Controller needs time to bootup. */
>> 			msleep(150);
>> @@ -629,7 +629,7 @@ static int qca_close(struct hci_uart *hu)
>> 
>> 	if (hu->serdev) {
>> 		qcadev = serdev_device_get_drvdata(hu->serdev);
>> -		if (qcadev->btsoc_type == QCA_WCN3990)
>> +		if (qca_is_wcn399x(qcadev->btsoc_type))
>> 			qca_power_shutdown(hu);
>> 		else
>> 			gpiod_set_value_cansleep(qcadev->bt_en, 0);
>> @@ -1011,7 +1011,7 @@ static int qca_set_baudrate(struct hci_dev 
>> *hdev, uint8_t baudrate)
>> 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
>> 
>> 	/* Give the controller time to process the request */
>> -	if (qca_soc_type(hu) == QCA_WCN3990)
>> +	if (qca_is_wcn399x(qca_soc_type(hu)))
>> 		msleep(10);
>> 	else
>> 		msleep(300);
>> @@ -1087,7 +1087,7 @@ static unsigned int qca_get_speed(struct 
>> hci_uart *hu,
>> 
>> static int qca_check_speeds(struct hci_uart *hu)
>> {
>> -	if (qca_soc_type(hu) == QCA_WCN3990) {
>> +	if (qca_is_wcn399x(qca_soc_type(hu))) {
>> 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
>> 		    !qca_get_speed(hu, QCA_OPER_SPEED))
>> 			return -EINVAL;
>> @@ -1119,7 +1119,7 @@ static int qca_set_speed(struct hci_uart *hu, 
>> enum qca_speed_type speed_type)
>> 		/* Disable flow control for wcn3990 to deassert RTS while
>> 		 * changing the baudrate of chip and host.
>> 		 */
>> -		if (soc_type == QCA_WCN3990)
>> +		if (qca_is_wcn399x(soc_type))
>> 			hci_uart_set_flow_control(hu, true);
>> 
>> 		qca_baudrate = qca_get_baudrate_value(speed);
>> @@ -1131,7 +1131,7 @@ static int qca_set_speed(struct hci_uart *hu, 
>> enum qca_speed_type speed_type)
>> 		host_set_baudrate(hu, speed);
>> 
>> error:
>> -		if (soc_type == QCA_WCN3990)
>> +		if (qca_is_wcn399x(soc_type))
>> 			hci_uart_set_flow_control(hu, false);
>> 	}
>> 
>> @@ -1204,7 +1204,7 @@ static int qca_setup(struct hci_uart *hu)
>> 	/* Patch downloading has to be done without IBS mode */
>> 	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
>> 
>> -	if (soc_type == QCA_WCN3990) {
>> +	if (qca_is_wcn399x(soc_type)) {
>> 		bt_dev_info(hdev, "setting up wcn3990");
>> 
>> 		/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
>> @@ -1235,7 +1235,7 @@ static int qca_setup(struct hci_uart *hu)
>> 		qca_baudrate = qca_get_baudrate_value(speed);
>> 	}
>> 
>> -	if (soc_type != QCA_WCN3990) {
>> +	if (!qca_is_wcn399x(soc_type)) {
>> 		/* Get QCA version information */
>> 		ret = qca_read_soc_version(hdev, &soc_ver);
>> 		if (ret)
>> @@ -1260,7 +1260,7 @@ static int qca_setup(struct hci_uart *hu)
>> 	}
>> 
>> 	/* Setup bdaddr */
>> -	if (soc_type == QCA_WCN3990)
>> +	if (qca_is_wcn399x(soc_type))
>> 		hu->hdev->set_bdaddr = qca_set_bdaddr;
>> 	else
>> 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
>> @@ -1283,7 +1283,7 @@ static int qca_setup(struct hci_uart *hu)
>> 	.dequeue	= qca_dequeue,
>> };
>> 
>> -static const struct qca_vreg_data qca_soc_data = {
>> +static const struct qca_vreg_data qca_soc_data_wcn3990 = {
>> 	.soc_type = QCA_WCN3990,
>> 	.vregs = (struct qca_vreg []) {
>> 		{ "vddio",   1800000, 1900000,  15000  },
>> @@ -1294,6 +1294,17 @@ static int qca_setup(struct hci_uart *hu)
>> 	.num_vregs = 4,
>> };
>> 
>> +static const struct qca_vreg_data qca_soc_data_wcn3998 = {
>> +	.soc_type = QCA_WCN3998,
>> +	.vregs = (struct qca_vreg []) {
>> +		{ "vddio",   1800000, 1900000,  10000  },
>> +		{ "vddxo",   1800000, 1900000,  80000  },
>> +		{ "vddrf",   1300000, 1352000,  300000 },
>> +		{ "vddch0",  3300000, 3300000,  450000 },
>> +	},
>> +	.num_vregs = 4,
>> +};
>> +
>> static void qca_power_shutdown(struct hci_uart *hu)
>> {
>> 	struct qca_data *qca = hu->priv;
>> @@ -1427,8 +1438,8 @@ static int qca_serdev_probe(struct serdev_device 
>> *serdev)
>> 	qcadev->serdev_hu.serdev = serdev;
>> 	data = of_device_get_match_data(&serdev->dev);
>> 	serdev_device_set_drvdata(serdev, qcadev);
>> -	if (data && data->soc_type == QCA_WCN3990) {
>> -		qcadev->btsoc_type = QCA_WCN3990;
>> +	if (data && qca_is_wcn399x(data->soc_type)) {
>> +		qcadev->btsoc_type = data->soc_type;
>> 		qcadev->bt_power = devm_kzalloc(&serdev->dev,
>> 						sizeof(struct qca_power),
>> 						GFP_KERNEL);
>> @@ -1492,7 +1503,7 @@ static void qca_serdev_remove(struct 
>> serdev_device *serdev)
>> {
>> 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
>> 
>> -	if (qcadev->btsoc_type == QCA_WCN3990)
>> +	if (qca_is_wcn399x(qcadev->btsoc_type))
>> 		qca_power_shutdown(&qcadev->serdev_hu);
>> 	else
>> 		clk_disable_unprepare(qcadev->susclk);
>> @@ -1502,7 +1513,8 @@ static void qca_serdev_remove(struct 
>> serdev_device *serdev)
>> 
>> static const struct of_device_id qca_bluetooth_of_match[] = {
>> 	{ .compatible = "qcom,qca6174-bt" },
>> -	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
>> +	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
>> +	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
>> 	{ /* sentinel */ }
>> };
>> MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
> 
> Regards
> 
> Marcel
Matthias Kaehlcke April 25, 2019, 4:46 p.m. UTC | #3
On Thu, Apr 25, 2019 at 07:10:51PM +0530, Harish Bandi wrote:
> Hi Marcel,
> 
> On 2019-04-25 18:17, Marcel Holtmann wrote:
> > Hi Harish,
> > 
> > > Added new compatible for WCN3998 and corresponding voltage
> > > and current values to WCN3998 compatible.
> > > Changed driver code to support WCN3998
> > > 
> > > Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
> > > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> > > ---
> > > Changes in V7:
> > > - Initialized rom_ver to 0 to fix compiler warning
> > > ---
> > > drivers/bluetooth/btqca.c   | 12 +++++++++---
> > > drivers/bluetooth/btqca.h   |  8 +++++++-
> > > drivers/bluetooth/hci_qca.c | 40
> > > ++++++++++++++++++++++++++--------------
> > > 3 files changed, 42 insertions(+), 18 deletions(-)
> > > 
> > > diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
> > > index 6122685..495a52f 100644
> > > --- a/drivers/bluetooth/btqca.c
> > > +++ b/drivers/bluetooth/btqca.c
> > > @@ -336,7 +336,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t
> > > baudrate,
> > > {
> > > 	struct rome_config config;
> > > 	int err;
> > > -	u8 rom_ver;
> > > +	u8 rom_ver = 0;
> > 
> > what is this change for?
> [Harish] - kbuild test robot gave compiler warning. So initialized.
> drivers/bluetooth/btqca.c:369:3: warning: 'rom_ver' may be used
> uninitialized in this function [-Wmaybe-uninitialized]
> 
> > 
> > > 	bt_dev_dbg(hdev, "QCA setup on UART");
> > > 
> > > @@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t
> > > baudrate,
> > > 
> > > 	/* Download rampatch file */
> > > 	config.type = TLV_TYPE_PATCH;
> > > -	if (soc_type == QCA_WCN3990) {
> > > +	if (qca_is_wcn399x(soc_type)) {
> > > 		/* Firmware files to download are based on ROM version.
> > > 		 * ROM version is derived from last two bytes of soc_ver.
> > > 		 */
> > > @@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t
> > > baudrate,
> > > 
> > > 	/* Download NVM configuration */
> > > 	config.type = TLV_TYPE_NVM;
> > > -	if (soc_type == QCA_WCN3990)
> > > +	if (qca_is_wcn399x(soc_type))
> > > 		snprintf(config.fwname, sizeof(config.fwname),
> > > 			 "qca/crnv%02x.bin", rom_ver);
> > > 	else
> > > @@ -410,6 +410,12 @@ int qca_set_bdaddr(struct hci_dev *hdev, const
> > > bdaddr_t *bdaddr)
> > > }
> > > EXPORT_SYMBOL_GPL(qca_set_bdaddr);
> > > 
> > > +bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
> > > +{
> > > +	return ((soc_type == QCA_WCN3990) || (soc_type == QCA_WCN3998));
> > 
> > no () needed around soc_type = check.
> 
> [Harish]  - OK, will change it.
> > 
> > > +}
> > > +EXPORT_SYMBOL_GPL(qca_is_wcn399x);
> > > +
> > 
> > Why is this exported. Make this an inline function in btqca.h.
> [Harish] - This was used in btqca.c also to check the soc_type

true, but this is still possible with an inline function in btqca.h.
diff mbox series

Patch

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 6122685..495a52f 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -336,7 +336,7 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 {
 	struct rome_config config;
 	int err;
-	u8 rom_ver;
+	u8 rom_ver = 0;
 
 	bt_dev_dbg(hdev, "QCA setup on UART");
 
@@ -344,7 +344,7 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 
 	/* Download rampatch file */
 	config.type = TLV_TYPE_PATCH;
-	if (soc_type == QCA_WCN3990) {
+	if (qca_is_wcn399x(soc_type)) {
 		/* Firmware files to download are based on ROM version.
 		 * ROM version is derived from last two bytes of soc_ver.
 		 */
@@ -365,7 +365,7 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 
 	/* Download NVM configuration */
 	config.type = TLV_TYPE_NVM;
-	if (soc_type == QCA_WCN3990)
+	if (qca_is_wcn399x(soc_type))
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/crnv%02x.bin", rom_ver);
 	else
@@ -410,6 +410,12 @@  int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
 
+bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+	return ((soc_type == QCA_WCN3990) || (soc_type == QCA_WCN3998));
+}
+EXPORT_SYMBOL_GPL(qca_is_wcn399x);
+
 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
 MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 6fdc25d..0f68c9e7 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -132,7 +132,8 @@  enum qca_btsoc_type {
 	QCA_INVALID = -1,
 	QCA_AR3002,
 	QCA_ROME,
-	QCA_WCN3990
+	QCA_WCN3990,
+	QCA_WCN3998,
 };
 
 #if IS_ENABLED(CONFIG_BT_QCA)
@@ -142,6 +143,7 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 		   enum qca_btsoc_type soc_type, u32 soc_ver);
 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+bool qca_is_wcn399x(enum qca_btsoc_type soc_type);
 #else
 
 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -165,4 +167,8 @@  static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 	return -EOPNOTSUPP;
 }
 
+static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+	return false;
+}
 #endif
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 7f75652..c53ee8d 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -521,7 +521,7 @@  static int qca_open(struct hci_uart *hu)
 	if (hu->serdev) {
 
 		qcadev = serdev_device_get_drvdata(hu->serdev);
-		if (qcadev->btsoc_type != QCA_WCN3990) {
+		if (!qca_is_wcn399x(qcadev->btsoc_type)) {
 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
 			/* Controller needs time to bootup. */
 			msleep(150);
@@ -629,7 +629,7 @@  static int qca_close(struct hci_uart *hu)
 
 	if (hu->serdev) {
 		qcadev = serdev_device_get_drvdata(hu->serdev);
-		if (qcadev->btsoc_type == QCA_WCN3990)
+		if (qca_is_wcn399x(qcadev->btsoc_type))
 			qca_power_shutdown(hu);
 		else
 			gpiod_set_value_cansleep(qcadev->bt_en, 0);
@@ -1011,7 +1011,7 @@  static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
 
 	/* Give the controller time to process the request */
-	if (qca_soc_type(hu) == QCA_WCN3990)
+	if (qca_is_wcn399x(qca_soc_type(hu)))
 		msleep(10);
 	else
 		msleep(300);
@@ -1087,7 +1087,7 @@  static unsigned int qca_get_speed(struct hci_uart *hu,
 
 static int qca_check_speeds(struct hci_uart *hu)
 {
-	if (qca_soc_type(hu) == QCA_WCN3990) {
+	if (qca_is_wcn399x(qca_soc_type(hu))) {
 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
 		    !qca_get_speed(hu, QCA_OPER_SPEED))
 			return -EINVAL;
@@ -1119,7 +1119,7 @@  static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		/* Disable flow control for wcn3990 to deassert RTS while
 		 * changing the baudrate of chip and host.
 		 */
-		if (soc_type == QCA_WCN3990)
+		if (qca_is_wcn399x(soc_type))
 			hci_uart_set_flow_control(hu, true);
 
 		qca_baudrate = qca_get_baudrate_value(speed);
@@ -1131,7 +1131,7 @@  static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		host_set_baudrate(hu, speed);
 
 error:
-		if (soc_type == QCA_WCN3990)
+		if (qca_is_wcn399x(soc_type))
 			hci_uart_set_flow_control(hu, false);
 	}
 
@@ -1204,7 +1204,7 @@  static int qca_setup(struct hci_uart *hu)
 	/* Patch downloading has to be done without IBS mode */
 	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
 
-	if (soc_type == QCA_WCN3990) {
+	if (qca_is_wcn399x(soc_type)) {
 		bt_dev_info(hdev, "setting up wcn3990");
 
 		/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
@@ -1235,7 +1235,7 @@  static int qca_setup(struct hci_uart *hu)
 		qca_baudrate = qca_get_baudrate_value(speed);
 	}
 
-	if (soc_type != QCA_WCN3990) {
+	if (!qca_is_wcn399x(soc_type)) {
 		/* Get QCA version information */
 		ret = qca_read_soc_version(hdev, &soc_ver);
 		if (ret)
@@ -1260,7 +1260,7 @@  static int qca_setup(struct hci_uart *hu)
 	}
 
 	/* Setup bdaddr */
-	if (soc_type == QCA_WCN3990)
+	if (qca_is_wcn399x(soc_type))
 		hu->hdev->set_bdaddr = qca_set_bdaddr;
 	else
 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
@@ -1283,7 +1283,7 @@  static int qca_setup(struct hci_uart *hu)
 	.dequeue	= qca_dequeue,
 };
 
-static const struct qca_vreg_data qca_soc_data = {
+static const struct qca_vreg_data qca_soc_data_wcn3990 = {
 	.soc_type = QCA_WCN3990,
 	.vregs = (struct qca_vreg []) {
 		{ "vddio",   1800000, 1900000,  15000  },
@@ -1294,6 +1294,17 @@  static int qca_setup(struct hci_uart *hu)
 	.num_vregs = 4,
 };
 
+static const struct qca_vreg_data qca_soc_data_wcn3998 = {
+	.soc_type = QCA_WCN3998,
+	.vregs = (struct qca_vreg []) {
+		{ "vddio",   1800000, 1900000,  10000  },
+		{ "vddxo",   1800000, 1900000,  80000  },
+		{ "vddrf",   1300000, 1352000,  300000 },
+		{ "vddch0",  3300000, 3300000,  450000 },
+	},
+	.num_vregs = 4,
+};
+
 static void qca_power_shutdown(struct hci_uart *hu)
 {
 	struct qca_data *qca = hu->priv;
@@ -1427,8 +1438,8 @@  static int qca_serdev_probe(struct serdev_device *serdev)
 	qcadev->serdev_hu.serdev = serdev;
 	data = of_device_get_match_data(&serdev->dev);
 	serdev_device_set_drvdata(serdev, qcadev);
-	if (data && data->soc_type == QCA_WCN3990) {
-		qcadev->btsoc_type = QCA_WCN3990;
+	if (data && qca_is_wcn399x(data->soc_type)) {
+		qcadev->btsoc_type = data->soc_type;
 		qcadev->bt_power = devm_kzalloc(&serdev->dev,
 						sizeof(struct qca_power),
 						GFP_KERNEL);
@@ -1492,7 +1503,7 @@  static void qca_serdev_remove(struct serdev_device *serdev)
 {
 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
 
-	if (qcadev->btsoc_type == QCA_WCN3990)
+	if (qca_is_wcn399x(qcadev->btsoc_type))
 		qca_power_shutdown(&qcadev->serdev_hu);
 	else
 		clk_disable_unprepare(qcadev->susclk);
@@ -1502,7 +1513,8 @@  static void qca_serdev_remove(struct serdev_device *serdev)
 
 static const struct of_device_id qca_bluetooth_of_match[] = {
 	{ .compatible = "qcom,qca6174-bt" },
-	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
+	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
+	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);