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path: root/drivers/bluetooth
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Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btqca.c13
-rw-r--r--drivers/bluetooth/btqca.h11
-rw-r--r--drivers/bluetooth/hci_qca.c114
3 files changed, 115 insertions, 23 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index bd71dfc9c974..95742494dc40 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -530,6 +530,11 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
(soc_ver & 0x0000000f);
snprintf(config.fwname, sizeof(config.fwname),
"qca/htbtfw%02x.tlv", rom_ver);
+ } else if (soc_type == QCA_WCN6750) {
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) |
+ (soc_ver & 0x0000000f);
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msbtfw%02x.tlv", rom_ver);
} else {
snprintf(config.fwname, sizeof(config.fwname),
"qca/rampatch_%08x.bin", soc_ver);
@@ -561,6 +566,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
else if (soc_type == QCA_QCA6390)
snprintf(config.fwname, sizeof(config.fwname),
"qca/htnv%02x.bin", rom_ver);
+ else if (soc_type == QCA_WCN6750)
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msnv%02x.bin", rom_ver);
else
snprintf(config.fwname, sizeof(config.fwname),
"qca/nvm_%08x.bin", soc_ver);
@@ -577,13 +585,14 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
return err;
}
- /* WCN399x supports the Microsoft vendor extension with 0xFD70 as the
+ /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
* VsMsftOpCode.
*/
switch (soc_type) {
case QCA_WCN3990:
case QCA_WCN3991:
case QCA_WCN3998:
+ case QCA_WCN6750:
hci_set_msft_opcode(hdev, 0xFD70);
break;
default:
@@ -597,7 +606,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
return err;
}
- if (soc_type == QCA_WCN3991) {
+ if (soc_type == QCA_WCN3991 || soc_type == QCA_WCN6750) {
/* get fw build info */
err = qca_read_fw_build_info(hdev);
if (err < 0)
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index b19add7675a4..6ecd329bad41 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -143,6 +143,7 @@ enum qca_btsoc_type {
QCA_WCN3998,
QCA_WCN3991,
QCA_QCA6390,
+ QCA_WCN6750,
};
#if IS_ENABLED(CONFIG_BT_QCA)
@@ -160,6 +161,11 @@ static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 ||
soc_type == QCA_WCN3998;
}
+static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
+{
+ return soc_type == QCA_WCN6750;
+}
+
#else
static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -192,6 +198,11 @@ static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
return false;
}
+static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
+{
+ return false;
+}
+
static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index dc6551d65912..53deea2eb7b4 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -218,6 +218,7 @@ struct qca_power {
struct qca_serdev {
struct hci_uart serdev_hu;
struct gpio_desc *bt_en;
+ struct gpio_desc *sw_ctrl;
struct clk *susclk;
enum qca_btsoc_type btsoc_type;
struct qca_power *bt_power;
@@ -604,7 +605,8 @@ static int qca_open(struct hci_uart *hu)
if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qca_is_wcn399x(qcadev->btsoc_type))
+ if (qca_is_wcn399x(qcadev->btsoc_type) ||
+ qca_is_wcn6750(qcadev->btsoc_type))
hu->init_speed = qcadev->init_speed;
if (qcadev->oper_speed)
@@ -1308,7 +1310,8 @@ 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_is_wcn399x(qca_soc_type(hu)))
+ if (qca_is_wcn399x(qca_soc_type(hu)) ||
+ qca_is_wcn6750(qca_soc_type(hu)))
usleep_range(1000, 10000);
else
msleep(300);
@@ -1384,7 +1387,8 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
static int qca_check_speeds(struct hci_uart *hu)
{
- if (qca_is_wcn399x(qca_soc_type(hu))) {
+ if (qca_is_wcn399x(qca_soc_type(hu)) ||
+ qca_is_wcn6750(qca_soc_type(hu))) {
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
@@ -1417,7 +1421,8 @@ 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 (qca_is_wcn399x(soc_type))
+ if (qca_is_wcn399x(soc_type) ||
+ qca_is_wcn6750(soc_type))
hci_uart_set_flow_control(hu, true);
if (soc_type == QCA_WCN3990) {
@@ -1434,7 +1439,8 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
host_set_baudrate(hu, speed);
error:
- if (qca_is_wcn399x(soc_type))
+ if (qca_is_wcn399x(soc_type) ||
+ qca_is_wcn6750(soc_type))
hci_uart_set_flow_control(hu, false);
if (soc_type == QCA_WCN3990) {
@@ -1585,10 +1591,12 @@ static bool qca_prevent_wake(struct hci_dev *hdev)
return !wakeup;
}
-static int qca_wcn3990_init(struct hci_uart *hu)
+static int qca_regulator_init(struct hci_uart *hu)
{
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
struct qca_serdev *qcadev;
int ret;
+ bool sw_ctrl_state;
/* Check for vregs status, may be hci down has turned
* off the voltage regulator.
@@ -1607,16 +1615,33 @@ static int qca_wcn3990_init(struct hci_uart *hu)
}
}
- /* Forcefully enable wcn3990 to enter in to boot mode. */
- host_set_baudrate(hu, 2400);
- ret = qca_send_power_pulse(hu, false);
- if (ret)
- return ret;
+ if (qca_is_wcn399x(soc_type)) {
+ /* Forcefully enable wcn399x to enter in to boot mode. */
+ host_set_baudrate(hu, 2400);
+ ret = qca_send_power_pulse(hu, false);
+ if (ret)
+ return ret;
+ }
+
+ /* For wcn6750 need to enable gpio bt_en */
+ if (qcadev->bt_en) {
+ gpiod_set_value_cansleep(qcadev->bt_en, 0);
+ msleep(50);
+ gpiod_set_value_cansleep(qcadev->bt_en, 1);
+ msleep(50);
+ if (qcadev->sw_ctrl) {
+ sw_ctrl_state = gpiod_get_value_cansleep(qcadev->sw_ctrl);
+ bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state);
+ }
+ }
qca_set_speed(hu, QCA_INIT_SPEED);
- ret = qca_send_power_pulse(hu, true);
- if (ret)
- return ret;
+
+ if (qca_is_wcn399x(soc_type)) {
+ ret = qca_send_power_pulse(hu, true);
+ if (ret)
+ return ret;
+ }
/* Now the device is in ready state to communicate with host.
* To sync host with device we need to reopen port.
@@ -1649,8 +1674,9 @@ static int qca_power_on(struct hci_dev *hdev)
if (!hu->serdev)
return 0;
- if (qca_is_wcn399x(soc_type)) {
- ret = qca_wcn3990_init(hu);
+ if (qca_is_wcn399x(soc_type) ||
+ qca_is_wcn6750(soc_type)) {
+ ret = qca_regulator_init(hu);
} else {
qcadev = serdev_device_get_drvdata(hu->serdev);
if (qcadev->bt_en) {
@@ -1689,7 +1715,8 @@ static int qca_setup(struct hci_uart *hu)
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
bt_dev_info(hdev, "setting up %s",
- qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME/QCA6390");
+ qca_is_wcn399x(soc_type) ? "wcn399x" :
+ (soc_type == QCA_WCN6750) ? "wcn6750" : "ROME/QCA6390");
qca->memdump_state = QCA_MEMDUMP_IDLE;
@@ -1700,7 +1727,8 @@ retry:
clear_bit(QCA_SSR_TRIGGERED, &qca->flags);
- if (qca_is_wcn399x(soc_type)) {
+ if (qca_is_wcn399x(soc_type) ||
+ qca_is_wcn6750(soc_type)) {
set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
ret = qca_read_soc_version(hdev, &ver, soc_type);
@@ -1720,7 +1748,8 @@ retry:
qca_baudrate = qca_get_baudrate_value(speed);
}
- if (!qca_is_wcn399x(soc_type)) {
+ if (!(qca_is_wcn399x(soc_type) ||
+ qca_is_wcn6750(soc_type))) {
/* Get QCA version information */
ret = qca_read_soc_version(hdev, &ver, soc_type);
if (ret)
@@ -1828,12 +1857,30 @@ static const struct qca_device_data qca_soc_data_qca6390 = {
.num_vregs = 0,
};
+static const struct qca_device_data qca_soc_data_wcn6750 = {
+ .soc_type = QCA_WCN6750,
+ .vregs = (struct qca_vreg []) {
+ { "vddio", 5000 },
+ { "vddaon", 26000 },
+ { "vddbtcxmx", 126000 },
+ { "vddrfacmn", 12500 },
+ { "vddrfa0p8", 102000 },
+ { "vddrfa1p7", 302000 },
+ { "vddrfa1p2", 257000 },
+ { "vddrfa2p2", 1700000 },
+ { "vddasd", 200 },
+ },
+ .num_vregs = 9,
+ .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
struct qca_serdev *qcadev;
struct qca_data *qca = hu->priv;
unsigned long flags;
enum qca_btsoc_type soc_type = qca_soc_type(hu);
+ bool sw_ctrl_state;
/* From this point we go into power off state. But serial port is
* still open, stop queueing the IBS data and flush all the buffered
@@ -1856,6 +1903,14 @@ static void qca_power_shutdown(struct hci_uart *hu)
host_set_baudrate(hu, 2400);
qca_send_power_pulse(hu, false);
qca_regulator_disable(qcadev);
+ } else if (soc_type == QCA_WCN6750) {
+ gpiod_set_value_cansleep(qcadev->bt_en, 0);
+ msleep(100);
+ qca_regulator_disable(qcadev);
+ if (qcadev->sw_ctrl) {
+ sw_ctrl_state = gpiod_get_value_cansleep(qcadev->sw_ctrl);
+ bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state);
+ }
} else if (qcadev->bt_en) {
gpiod_set_value_cansleep(qcadev->bt_en, 0);
}
@@ -1978,7 +2033,9 @@ static int qca_serdev_probe(struct serdev_device *serdev)
if (!qcadev->oper_speed)
BT_DBG("UART will pick default operating speed");
- if (data && qca_is_wcn399x(data->soc_type)) {
+ if (data &&
+ (qca_is_wcn399x(data->soc_type) ||
+ qca_is_wcn6750(data->soc_type))) {
qcadev->btsoc_type = data->soc_type;
qcadev->bt_power = devm_kzalloc(&serdev->dev,
sizeof(struct qca_power),
@@ -1996,6 +2053,18 @@ static int qca_serdev_probe(struct serdev_device *serdev)
qcadev->bt_power->vregs_on = false;
+ qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
+ GPIOD_OUT_LOW);
+ if (!qcadev->bt_en && data->soc_type == QCA_WCN6750) {
+ dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
+ power_ctrl_enabled = false;
+ }
+
+ qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
+ GPIOD_IN);
+ if (!qcadev->sw_ctrl && data->soc_type == QCA_WCN6750)
+ dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
+
qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
if (IS_ERR(qcadev->susclk)) {
dev_err(&serdev->dev, "failed to acquire clk\n");
@@ -2068,7 +2137,9 @@ static void qca_serdev_remove(struct serdev_device *serdev)
struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
struct qca_power *power = qcadev->bt_power;
- if (qca_is_wcn399x(qcadev->btsoc_type) && power->vregs_on)
+ if ((qca_is_wcn399x(qcadev->btsoc_type) ||
+ qca_is_wcn6750(qcadev->btsoc_type)) &&
+ power->vregs_on)
qca_power_shutdown(&qcadev->serdev_hu);
else if (qcadev->susclk)
clk_disable_unprepare(qcadev->susclk);
@@ -2244,6 +2315,7 @@ static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
+ { .compatible = "qcom,wcn6750-bt", .data = &qca_soc_data_wcn6750},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-12 06:24:45 +0300