6.1-stable review patch. If anyone has any objections, please let me know.
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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);