From 523760b7ff8871281aaedc44c305926469ab47f8 Mon Sep 17 00:00:00 2001 From: Harish Bandi Date: Fri, 26 Apr 2019 19:26:01 +0530 Subject: [PATCH] Bluetooth: hci_qca: Added support for WCN3998 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 Reviewed-by: Matthias Kaehlcke Reviewed-by: Balakrishna Godavarthi Signed-off-by: Marcel Holtmann --- drivers/bluetooth/btqca.c | 7 ++++--- drivers/bluetooth/btqca.h | 11 +++++++++- drivers/bluetooth/hci_qca.c | 40 ++++++++++++++++++++++++------------- 3 files changed, 40 insertions(+), 18 deletions(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 612268574fc7..cc12eecd9e4d 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 +410,7 @@ int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) } EXPORT_SYMBOL_GPL(qca_set_bdaddr); + MODULE_AUTHOR("Ben Young Tae Kim "); 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 6fdc25d7bba7..4c4fe2b5b7b7 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 +143,10 @@ 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); +static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type) +{ + return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998; +} #else static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) @@ -165,4 +170,8 @@ 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 7f75652686fe..c53ee8d8ca15 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 struct hci_uart_proto qca_proto = { .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 const struct qca_vreg_data qca_soc_data = { .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);