diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btbcm.c | 1 | ||||
| -rw-r--r-- | drivers/bluetooth/btmrvl_sdio.c | 4 | ||||
| -rw-r--r-- | drivers/bluetooth/btmtkuart.c | 6 | ||||
| -rw-r--r-- | drivers/bluetooth/btqca.c | 113 | ||||
| -rw-r--r-- | drivers/bluetooth/btqca.h | 14 | ||||
| -rw-r--r-- | drivers/bluetooth/btrtl.c | 35 | ||||
| -rw-r--r-- | drivers/bluetooth/btrtl.h | 7 | ||||
| -rw-r--r-- | drivers/bluetooth/btusb.c | 45 | ||||
| -rw-r--r-- | drivers/bluetooth/hci_ag6xx.c | 1 | ||||
| -rw-r--r-- | drivers/bluetooth/hci_h5.c | 5 | ||||
| -rw-r--r-- | drivers/bluetooth/hci_qca.c | 118 | ||||
| -rw-r--r-- | drivers/bluetooth/virtio_bt.c | 3 |
12 files changed, 267 insertions, 85 deletions
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 1b9743b7f2ef..e5d706ed55ea 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -404,6 +404,7 @@ static const struct bcm_subver_table bcm_uart_subver_table[] = { { 0x4217, "BCM4329B1" }, /* 002.002.023 */ { 0x6106, "BCM4359C0" }, /* 003.001.006 */ { 0x4106, "BCM4335A0" }, /* 002.001.006 */ + { 0x410c, "BCM43430B0" }, /* 002.001.012 */ { } }; diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 33d58b30c5ac..cddd350beba3 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -1461,9 +1461,7 @@ static void btmrvl_sdio_coredump(struct device *dev) BT_ERR("Allocated buffer not enough"); } - if (stat != RDWR_STATUS_DONE) { - continue; - } else { + if (stat == RDWR_STATUS_DONE) { BT_INFO("%s done: size=0x%tx", entry->mem_name, dbg_ptr - entry->mem_ptr); diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c index 6c40bc75fb5b..e9d91d7c0db4 100644 --- a/drivers/bluetooth/btmtkuart.c +++ b/drivers/bluetooth/btmtkuart.c @@ -581,11 +581,9 @@ static int btmtkuart_open(struct hci_dev *hdev) /* Enable the power domain and clock the device requires */ pm_runtime_enable(dev); - err = pm_runtime_get_sync(dev); - if (err < 0) { - pm_runtime_put_noidle(dev); + err = pm_runtime_resume_and_get(dev); + if (err < 0) goto err_disable_rpm; - } err = clk_prepare_enable(bdev->clk); if (err < 0) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 25114f0d1319..be04d74037d2 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -182,8 +182,9 @@ int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) } EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd); -static void qca_tlv_check_data(struct qca_fw_config *config, - const struct firmware *fw, enum qca_btsoc_type soc_type) +static void qca_tlv_check_data(struct hci_dev *hdev, + struct qca_fw_config *config, + u8 *fw_data, enum qca_btsoc_type soc_type) { const u8 *data; u32 type_len; @@ -194,19 +195,21 @@ static void qca_tlv_check_data(struct qca_fw_config *config, struct tlv_type_nvm *tlv_nvm; uint8_t nvm_baud_rate = config->user_baud_rate; - tlv = (struct tlv_type_hdr *)fw->data; - - type_len = le32_to_cpu(tlv->type_len); - length = (type_len >> 8) & 0x00ffffff; - - BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); - BT_DBG("Length\t\t : %d bytes", length); - config->dnld_mode = QCA_SKIP_EVT_NONE; config->dnld_type = QCA_SKIP_EVT_NONE; switch (config->type) { + case ELF_TYPE_PATCH: + config->dnld_mode = QCA_SKIP_EVT_VSE_CC; + config->dnld_type = QCA_SKIP_EVT_VSE_CC; + + bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]); + bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]); + bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]); + break; case TLV_TYPE_PATCH: + tlv = (struct tlv_type_hdr *)fw_data; + type_len = le32_to_cpu(tlv->type_len); tlv_patch = (struct tlv_type_patch *)tlv->data; /* For Rome version 1.1 to 3.1, all segment commands @@ -218,6 +221,7 @@ static void qca_tlv_check_data(struct qca_fw_config *config, config->dnld_mode = tlv_patch->download_mode; config->dnld_type = config->dnld_mode; + BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); BT_DBG("Total Length : %d bytes", le32_to_cpu(tlv_patch->total_size)); BT_DBG("Patch Data Length : %d bytes", @@ -243,6 +247,14 @@ static void qca_tlv_check_data(struct qca_fw_config *config, break; case TLV_TYPE_NVM: + tlv = (struct tlv_type_hdr *)fw_data; + + type_len = le32_to_cpu(tlv->type_len); + length = (type_len >> 8) & 0x00ffffff; + + BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); + BT_DBG("Length\t\t : %d bytes", length); + idx = 0; data = tlv->data; while (idx < length) { @@ -387,25 +399,57 @@ static int qca_inject_cmd_complete_event(struct hci_dev *hdev) static int qca_download_firmware(struct hci_dev *hdev, struct qca_fw_config *config, - enum qca_btsoc_type soc_type) + enum qca_btsoc_type soc_type, + u8 rom_ver) { const struct firmware *fw; + u8 *data; const u8 *segment; - int ret, remain, i = 0; + int ret, size, remain, i = 0; bt_dev_info(hdev, "QCA Downloading %s", config->fwname); ret = request_firmware(&fw, config->fwname, &hdev->dev); if (ret) { - bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", - config->fwname, ret); - return ret; + /* For WCN6750, if mbn file is not present then check for + * tlv file. + */ + if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) { + bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)", + config->fwname, ret); + config->type = TLV_TYPE_PATCH; + snprintf(config->fwname, sizeof(config->fwname), + "qca/msbtfw%02x.tlv", rom_ver); + bt_dev_info(hdev, "QCA Downloading %s", config->fwname); + ret = request_firmware(&fw, config->fwname, &hdev->dev); + if (ret) { + bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", + config->fwname, ret); + return ret; + } + } else { + bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", + config->fwname, ret); + return ret; + } } - qca_tlv_check_data(config, fw, soc_type); + size = fw->size; + data = vmalloc(fw->size); + if (!data) { + bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s", + config->fwname); + release_firmware(fw); + return -ENOMEM; + } + + memcpy(data, fw->data, size); + release_firmware(fw); + + qca_tlv_check_data(hdev, config, data, soc_type); - segment = fw->data; - remain = fw->size; + segment = data; + remain = size; while (remain > 0) { int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain); @@ -435,7 +479,7 @@ static int qca_download_firmware(struct hci_dev *hdev, ret = qca_inject_cmd_complete_event(hdev); out: - release_firmware(fw); + vfree(data); return ret; } @@ -502,27 +546,32 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, config.user_baud_rate = baudrate; + /* Firmware files to download are based on ROM version. + * ROM version is derived from last two bytes of soc_ver. + */ + rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); + /* Download rampatch file */ config.type = TLV_TYPE_PATCH; 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. - */ - rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | - (soc_ver & 0x0000000f); snprintf(config.fwname, sizeof(config.fwname), "qca/crbtfw%02x.tlv", rom_ver); } else if (soc_type == QCA_QCA6390) { - rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | - (soc_ver & 0x0000000f); snprintf(config.fwname, sizeof(config.fwname), "qca/htbtfw%02x.tlv", rom_ver); + } else if (soc_type == QCA_WCN6750) { + /* Choose mbn file by default.If mbn file is not found + * then choose tlv file + */ + config.type = ELF_TYPE_PATCH; + snprintf(config.fwname, sizeof(config.fwname), + "qca/msbtfw%02x.mbn", rom_ver); } else { snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", soc_ver); } - err = qca_download_firmware(hdev, &config, soc_type); + err = qca_download_firmware(hdev, &config, soc_type, rom_ver); if (err < 0) { bt_dev_err(hdev, "QCA Failed to download patch (%d)", err); return err; @@ -548,11 +597,14 @@ 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); - err = qca_download_firmware(hdev, &config, soc_type); + err = qca_download_firmware(hdev, &config, soc_type, rom_ver); if (err < 0) { bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err); return err; @@ -564,13 +616,14 @@ 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: @@ -584,7 +637,7 @@ 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..30afa7703afd 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -80,7 +80,8 @@ enum qca_tlv_dnld_mode { enum qca_tlv_type { TLV_TYPE_PATCH = 1, - TLV_TYPE_NVM + TLV_TYPE_NVM, + ELF_TYPE_PATCH, }; struct qca_fw_config { @@ -143,6 +144,7 @@ enum qca_btsoc_type { QCA_WCN3998, QCA_WCN3991, QCA_QCA6390, + QCA_WCN6750, }; #if IS_ENABLED(CONFIG_BT_QCA) @@ -160,6 +162,11 @@ 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 +199,11 @@ 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/btrtl.c b/drivers/bluetooth/btrtl.c index e7fe5fb22753..cce0125ec4fd 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -132,12 +132,19 @@ static const struct id_table ic_id_table[] = { .cfg_name = "rtl_bt/rtl8761a_config" }, /* 8761B */ - { IC_INFO(RTL_ROM_LMP_8761A, 0xb, 0xa, HCI_USB), + { IC_INFO(RTL_ROM_LMP_8761A, 0xb, 0xa, HCI_UART), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8761b_fw.bin", .cfg_name = "rtl_bt/rtl8761b_config" }, + /* 8761BU */ + { IC_INFO(RTL_ROM_LMP_8761A, 0xb, 0xa, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8761bu_fw.bin", + .cfg_name = "rtl_bt/rtl8761bu_config" }, + /* 8822C with UART interface */ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_UART), .config_needed = true, @@ -719,17 +726,8 @@ int btrtl_download_firmware(struct hci_dev *hdev, } EXPORT_SYMBOL_GPL(btrtl_download_firmware); -int btrtl_setup_realtek(struct hci_dev *hdev) +void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev) { - struct btrtl_device_info *btrtl_dev; - int ret; - - btrtl_dev = btrtl_initialize(hdev, NULL); - if (IS_ERR(btrtl_dev)) - return PTR_ERR(btrtl_dev); - - ret = btrtl_download_firmware(hdev, btrtl_dev); - /* Enable controller to do both LE scan and BR/EDR inquiry * simultaneously. */ @@ -750,6 +748,21 @@ int btrtl_setup_realtek(struct hci_dev *hdev) rtl_dev_dbg(hdev, "WBS supported not enabled."); break; } +} +EXPORT_SYMBOL_GPL(btrtl_set_quirks); + +int btrtl_setup_realtek(struct hci_dev *hdev) +{ + struct btrtl_device_info *btrtl_dev; + int ret; + + btrtl_dev = btrtl_initialize(hdev, NULL); + if (IS_ERR(btrtl_dev)) + return PTR_ERR(btrtl_dev); + + ret = btrtl_download_firmware(hdev, btrtl_dev); + + btrtl_set_quirks(hdev, btrtl_dev); btrtl_free(btrtl_dev); return ret; diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h index 2a582682136d..2c441bda390a 100644 --- a/drivers/bluetooth/btrtl.h +++ b/drivers/bluetooth/btrtl.h @@ -54,6 +54,8 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, void btrtl_free(struct btrtl_device_info *btrtl_dev); int btrtl_download_firmware(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev); +void btrtl_set_quirks(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev); int btrtl_setup_realtek(struct hci_dev *hdev); int btrtl_shutdown_realtek(struct hci_dev *hdev); int btrtl_get_uart_settings(struct hci_dev *hdev, @@ -79,6 +81,11 @@ static inline int btrtl_download_firmware(struct hci_dev *hdev, return -EOPNOTSUPP; } +static inline void btrtl_set_quirks(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev) +{ +} + static inline int btrtl_setup_realtek(struct hci_dev *hdev) { return -EOPNOTSUPP; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 7f6ba2c975ed..a9855a2dd561 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -270,6 +270,8 @@ static const struct usb_device_id blacklist_table[] = { BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | @@ -408,6 +410,11 @@ static const struct usb_device_id blacklist_table[] = { /* Additional MediaTek MT7615E Bluetooth devices */ { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, + /* Additional MediaTek MT7921 Bluetooth devices */ + { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH | + BTUSB_VALID_LE_STATES }, + /* Additional Realtek 8723AE Bluetooth devices */ { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, @@ -427,6 +434,10 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, + /* Additional Realtek 8761BU Bluetooth devices */ + { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + /* Additional Realtek 8821AE Bluetooth devices */ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, @@ -1749,6 +1760,13 @@ static void btusb_work(struct work_struct *work) * which work with WBS at all. */ new_alts = btusb_find_altsetting(data, 6) ? 6 : 1; + /* Because mSBC frames do not need to be aligned to the + * SCO packet boundary. If support the Alt 3, use the + * Alt 3 for HCI payload >= 60 Bytes let air packet + * data satisfy 60 bytes. + */ + if (new_alts == 1 && btusb_find_altsetting(data, 3)) + new_alts = 3; } if (btusb_switch_alt_setting(hdev, new_alts) < 0) @@ -3312,11 +3330,6 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, struct btmtk_wmt_hdr *hdr; int err; - /* Submit control IN URB on demand to process the WMT event */ - err = btusb_mtk_submit_wmt_recv_urb(hdev); - if (err < 0) - return err; - /* Send the WMT command and wait until the WMT event returns */ hlen = sizeof(*hdr) + wmt_params->dlen; if (hlen > 255) @@ -3342,6 +3355,11 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, goto err_free_wc; } + /* Submit control IN URB on demand to process the WMT event */ + err = btusb_mtk_submit_wmt_recv_urb(hdev); + if (err < 0) + goto err_free_wc; + /* The vendor specific WMT commands are all answered by a vendor * specific event and will have the Command Status or Command * Complete as with usual HCI command flow control. @@ -4062,6 +4080,11 @@ static int btusb_setup_qca_download_fw(struct hci_dev *hdev, sent += size; count -= size; + /* ep2 need time to switch from function acl to function dfu, + * so we add 20ms delay here. + */ + msleep(20); + while (count) { size = min_t(size_t, count, QCA_DFU_PACKET_LEN); @@ -4154,9 +4177,15 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, int err; if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", - le32_to_cpu(ver->rom_version), - le16_to_cpu(ver->board_id)); + /* if boardid equal 0, use default nvm without surfix */ + if (le16_to_cpu(ver->board_id) == 0x0) { + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", + le32_to_cpu(ver->rom_version)); + } else { + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", + le32_to_cpu(ver->rom_version), + le16_to_cpu(ver->board_id)); + } } else { snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", le32_to_cpu(ver->rom_version)); diff --git a/drivers/bluetooth/hci_ag6xx.c b/drivers/bluetooth/hci_ag6xx.c index 1f55df93e4ce..2d40302409ff 100644 --- a/drivers/bluetooth/hci_ag6xx.c +++ b/drivers/bluetooth/hci_ag6xx.c @@ -199,7 +199,6 @@ static int ag6xx_setup(struct hci_uart *hu) fwname, err); goto patch; } - fw_ptr = fw->data; bt_dev_info(hdev, "Applying bddata (%s)", fwname); diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 27e96681d583..e0520639f4ba 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -906,10 +906,7 @@ static int h5_btrtl_setup(struct h5 *h5) /* Give the device some time before the hci-core sends it a reset */ usleep_range(10000, 20000); - /* Enable controller to do both LE scan and BR/EDR inquiry - * simultaneously. - */ - set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks); + btrtl_set_quirks(h5->hu->hdev, btrtl_dev); out_free: btrtl_free(btrtl_dev); diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 0a0056912d51..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) @@ -1828,14 +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); - - qcadev = serdev_device_get_drvdata(hu->serdev); + 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 @@ -1852,10 +1897,20 @@ static void qca_power_shutdown(struct hci_uart *hu) if (!hu->serdev) return; + qcadev = serdev_device_get_drvdata(hu->serdev); + if (qca_is_wcn399x(soc_type)) { 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); diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c index c804db7e90f8..57908ce4fae8 100644 --- a/drivers/bluetooth/virtio_bt.c +++ b/drivers/bluetooth/virtio_bt.c @@ -34,6 +34,9 @@ static int virtbt_add_inbuf(struct virtio_bluetooth *vbt) int err; skb = alloc_skb(1000, GFP_KERNEL); + if (!skb) + return -ENOMEM; + sg_init_one(sg, skb->data, 1000); err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL); |