[PATCH 6.1 054/215] Bluetooth: qca: add support for WCN7850

Greg Kroah-Hartman
2024-03-04T21:44:35Z

From: Neil Armstrong <neil.armstrong@linaro.org>

[ Upstream commit e0c1278ac89b0390fe9a74f673b6f25172292db2 ]

Add support for the WCN7850 Bluetooth chipset.

Tested on the SM8550 QRD platform.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Stable-dep-of: 7dcd3e014aa7 ("Bluetooth: hci_qca: Set BDA quirk bit if fwnode exists in DT")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/bluetooth/btqca.c | 10 ++++++++++
drivers/bluetooth/btqca.h | 1 +
drivers/bluetooth/hci_qca.c | 31 ++++++++++++++++++++++++++++++-
3 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 8331090af86ea..0211f704a358b 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -631,6 +631,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
snprintf(config.fwname, sizeof(config.fwname),
"qca/hpbtfw%02x.tlv", rom_ver);
break;
+ case QCA_WCN7850:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hmtbtfw%02x.tlv", rom_ver);
+ break;
default:
snprintf(config.fwname, sizeof(config.fwname),
"qca/rampatch_%08x.bin", soc_ver);
@@ -679,6 +683,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
snprintf(config.fwname, sizeof(config.fwname),
"qca/hpnv%02x.bin", rom_ver);
break;
+ case QCA_WCN7850:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hmtnv%02x.bin", rom_ver);
+ break;

default:
snprintf(config.fwname, sizeof(config.fwname),
@@ -697,6 +705,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
case QCA_QCA6390:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
err = qca_disable_soc_logging(hdev);
if (err < 0)
return err;
@@ -731,6 +740,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
case QCA_WCN3991:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
/* 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 fe51c632d7720..03bff5c0059de 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -149,6 +149,7 @@ enum qca_btsoc_type {
QCA_QCA6390,
QCA_WCN6750,
QCA_WCN6855,
+ QCA_WCN7850,
};

#if IS_ENABLED(CONFIG_BT_QCA)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index e6ead996948a8..43abdaf92a0ed 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1330,6 +1330,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
usleep_range(1000, 10000);
break;

@@ -1415,6 +1416,7 @@ static int qca_check_speeds(struct hci_uart *hu)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
@@ -1456,6 +1458,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
hci_uart_set_flow_control(hu, true);
break;

@@ -1489,6 +1492,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
hci_uart_set_flow_control(hu, false);
break;

@@ -1756,6 +1760,7 @@ static int qca_power_on(struct hci_dev *hdev)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
ret = qca_regulator_init(hu);
break;

@@ -1813,6 +1818,10 @@ static int qca_setup(struct hci_uart *hu)
soc_name = "wcn6855";
break;

+ case QCA_WCN7850:
+ soc_name = "wcn7850";
+ break;
+
default:
soc_name = "ROME/QCA6390";
}
@@ -1834,6 +1843,7 @@ static int qca_setup(struct hci_uart *hu)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
hci_set_aosp_capable(hdev);

@@ -1863,6 +1873,7 @@ static int qca_setup(struct hci_uart *hu)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
break;

default:
@@ -2016,6 +2027,20 @@ static const struct qca_device_data qca_soc_data_wcn6855 = {
.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
};

+static const struct qca_device_data qca_soc_data_wcn7850 __maybe_unused = {
+ .soc_type = QCA_WCN7850,
+ .vregs = (struct qca_vreg []) {
+ { "vddio", 5000 },
+ { "vddaon", 26000 },
+ { "vdddig", 126000 },
+ { "vddrfa0p8", 102000 },
+ { "vddrfa1p2", 257000 },
+ { "vddrfa1p9", 302000 },
+ },
+ .num_vregs = 6,
+ .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
struct qca_serdev *qcadev;
@@ -2199,6 +2224,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
qcadev->bt_power = devm_kzalloc(&serdev->dev,
sizeof(struct qca_power),
GFP_KERNEL);
@@ -2228,7 +2254,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
GPIOD_IN);
if (IS_ERR_OR_NULL(qcadev->sw_ctrl) &&
(data->soc_type == QCA_WCN6750 ||
- data->soc_type == QCA_WCN6855))
+ data->soc_type == QCA_WCN6855 ||
+ data->soc_type == QCA_WCN7850))
dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");

qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
@@ -2307,6 +2334,7 @@ static void qca_serdev_remove(struct serdev_device *serdev)
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
+ case QCA_WCN7850:
if (power->vregs_on) {
qca_power_shutdown(&qcadev->serdev_hu);
break;
@@ -2499,6 +2527,7 @@ static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
{ .compatible = "qcom,wcn6750-bt", .data = &qca_soc_data_wcn6750},
{ .compatible = "qcom,wcn6855-bt", .data = &qca_soc_data_wcn6855},
+ { .compatible = "qcom,wcn7850-bt", .data = &qca_soc_data_wcn7850},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
--
2.43.0