diff options
Diffstat (limited to 'drivers/bluetooth/btrtl.c')
| -rw-r--r-- | drivers/bluetooth/btrtl.c | 123 |
1 files changed, 77 insertions, 46 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 3a9afc905f24..a4f7cace66b0 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -18,23 +18,25 @@ #define VERSION "0.1" #define RTL_EPATCH_SIGNATURE "Realtech" -#define RTL_ROM_LMP_3499 0x3499 #define RTL_ROM_LMP_8723A 0x1200 #define RTL_ROM_LMP_8723B 0x8723 -#define RTL_ROM_LMP_8723D 0x8873 #define RTL_ROM_LMP_8821A 0x8821 #define RTL_ROM_LMP_8761A 0x8761 #define RTL_ROM_LMP_8822B 0x8822 +#define RTL_ROM_LMP_8852A 0x8852 #define RTL_CONFIG_MAGIC 0x8723ab55 #define IC_MATCH_FL_LMPSUBV (1 << 0) #define IC_MATCH_FL_HCIREV (1 << 1) #define IC_MATCH_FL_HCIVER (1 << 2) #define IC_MATCH_FL_HCIBUS (1 << 3) -#define IC_INFO(lmps, hcir) \ - .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV, \ +#define IC_INFO(lmps, hcir, hciv, bus) \ + .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV | \ + IC_MATCH_FL_HCIVER | IC_MATCH_FL_HCIBUS, \ .lmp_subver = (lmps), \ - .hci_rev = (hcir) + .hci_rev = (hcir), \ + .hci_ver = (hciv), \ + .hci_bus = (bus) struct id_table { __u16 match_flags; @@ -55,119 +57,100 @@ struct btrtl_device_info { int fw_len; u8 *cfg_data; int cfg_len; + bool drop_fw; }; static const struct id_table ic_id_table[] = { - { IC_MATCH_FL_LMPSUBV, RTL_ROM_LMP_8723A, 0x0, - .config_needed = false, - .has_rom_version = false, - .fw_name = "rtl_bt/rtl8723a_fw.bin", - .cfg_name = NULL }, - - { IC_MATCH_FL_LMPSUBV, RTL_ROM_LMP_3499, 0x0, + /* 8723A */ + { IC_INFO(RTL_ROM_LMP_8723A, 0xb, 0x6, HCI_USB), .config_needed = false, .has_rom_version = false, .fw_name = "rtl_bt/rtl8723a_fw.bin", .cfg_name = NULL }, /* 8723BS */ - { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV | - IC_MATCH_FL_HCIVER | IC_MATCH_FL_HCIBUS, - .lmp_subver = RTL_ROM_LMP_8723B, - .hci_rev = 0xb, - .hci_ver = 6, - .hci_bus = HCI_UART, + { IC_INFO(RTL_ROM_LMP_8723B, 0xb, 0x6, HCI_UART), .config_needed = true, .has_rom_version = true, .fw_name = "rtl_bt/rtl8723bs_fw.bin", .cfg_name = "rtl_bt/rtl8723bs_config" }, /* 8723B */ - { IC_INFO(RTL_ROM_LMP_8723B, 0xb), + { IC_INFO(RTL_ROM_LMP_8723B, 0xb, 0x6, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8723b_fw.bin", .cfg_name = "rtl_bt/rtl8723b_config" }, /* 8723D */ - { IC_INFO(RTL_ROM_LMP_8723B, 0xd), + { IC_INFO(RTL_ROM_LMP_8723B, 0xd, 0x8, HCI_USB), .config_needed = true, .has_rom_version = true, .fw_name = "rtl_bt/rtl8723d_fw.bin", .cfg_name = "rtl_bt/rtl8723d_config" }, /* 8723DS */ - { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV | - IC_MATCH_FL_HCIVER | IC_MATCH_FL_HCIBUS, - .lmp_subver = RTL_ROM_LMP_8723B, - .hci_rev = 0xd, - .hci_ver = 8, - .hci_bus = HCI_UART, + { IC_INFO(RTL_ROM_LMP_8723B, 0xd, 0x8, HCI_UART), .config_needed = true, .has_rom_version = true, .fw_name = "rtl_bt/rtl8723ds_fw.bin", .cfg_name = "rtl_bt/rtl8723ds_config" }, - /* 8723DU */ - { IC_INFO(RTL_ROM_LMP_8723D, 0x826C), - .config_needed = true, - .has_rom_version = true, - .fw_name = "rtl_bt/rtl8723d_fw.bin", - .cfg_name = "rtl_bt/rtl8723d_config" }, - /* 8821A */ - { IC_INFO(RTL_ROM_LMP_8821A, 0xa), + { IC_INFO(RTL_ROM_LMP_8821A, 0xa, 0x6, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8821a_fw.bin", .cfg_name = "rtl_bt/rtl8821a_config" }, /* 8821C */ - { IC_INFO(RTL_ROM_LMP_8821A, 0xc), + { IC_INFO(RTL_ROM_LMP_8821A, 0xc, 0x8, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8821c_fw.bin", .cfg_name = "rtl_bt/rtl8821c_config" }, /* 8761A */ - { IC_INFO(RTL_ROM_LMP_8761A, 0xa), + { IC_INFO(RTL_ROM_LMP_8761A, 0xa, 0x6, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8761a_fw.bin", .cfg_name = "rtl_bt/rtl8761a_config" }, /* 8761B */ - { IC_INFO(RTL_ROM_LMP_8761A, 0xb), + { IC_INFO(RTL_ROM_LMP_8761A, 0xb, 0xa, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8761b_fw.bin", .cfg_name = "rtl_bt/rtl8761b_config" }, /* 8822C with UART interface */ - { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV | - IC_MATCH_FL_HCIBUS, - .lmp_subver = RTL_ROM_LMP_8822B, - .hci_rev = 0x000c, - .hci_ver = 0x0a, - .hci_bus = HCI_UART, + { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_UART), .config_needed = true, .has_rom_version = true, .fw_name = "rtl_bt/rtl8822cs_fw.bin", .cfg_name = "rtl_bt/rtl8822cs_config" }, /* 8822C with USB interface */ - { IC_INFO(RTL_ROM_LMP_8822B, 0xc), + { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_USB), .config_needed = false, .has_rom_version = true, .fw_name = "rtl_bt/rtl8822cu_fw.bin", .cfg_name = "rtl_bt/rtl8822cu_config" }, /* 8822B */ - { IC_INFO(RTL_ROM_LMP_8822B, 0xb), + { IC_INFO(RTL_ROM_LMP_8822B, 0xb, 0x7, HCI_USB), .config_needed = true, .has_rom_version = true, .fw_name = "rtl_bt/rtl8822b_fw.bin", .cfg_name = "rtl_bt/rtl8822b_config" }, + + /* 8852A */ + { IC_INFO(RTL_ROM_LMP_8852A, 0xa, 0xb, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8852au_fw.bin", + .cfg_name = "rtl_bt/rtl8852au_config" }, }; static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev, @@ -275,6 +258,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, { RTL_ROM_LMP_8821A, 10 }, /* 8821C */ { RTL_ROM_LMP_8822B, 13 }, /* 8822C */ { RTL_ROM_LMP_8761A, 14 }, /* 8761B */ + { RTL_ROM_LMP_8852A, 18 }, /* 8852A */ }; min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3; @@ -563,6 +547,8 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, u16 hci_rev, lmp_subver; u8 hci_ver; int ret; + u16 opcode; + u8 cmd[2]; btrtl_dev = kzalloc(sizeof(*btrtl_dev), GFP_KERNEL); if (!btrtl_dev) { @@ -584,6 +570,49 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, hci_ver = resp->hci_ver; hci_rev = le16_to_cpu(resp->hci_rev); lmp_subver = le16_to_cpu(resp->lmp_subver); + + if (resp->hci_ver == 0x8 && le16_to_cpu(resp->hci_rev) == 0x826c && + resp->lmp_ver == 0x8 && le16_to_cpu(resp->lmp_subver) == 0xa99e) + btrtl_dev->drop_fw = true; + + if (btrtl_dev->drop_fw) { + opcode = hci_opcode_pack(0x3f, 0x66); + cmd[0] = opcode & 0xff; + cmd[1] = opcode >> 8; + + skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); + if (!skb) + goto out_free; + + skb_put_data(skb, cmd, sizeof(cmd)); + hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; + + hdev->send(hdev, skb); + + /* Ensure the above vendor command is sent to controller and + * process has done. + */ + msleep(200); + + /* Read the local version again. Expect to have the vanilla + * version as cold boot. + */ + skb = btrtl_read_local_version(hdev); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + goto err_free; + } + + resp = (struct hci_rp_read_local_version *)skb->data; + rtl_dev_info(hdev, "examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x lmp_subver=%04x", + resp->hci_ver, resp->hci_rev, + resp->lmp_ver, resp->lmp_subver); + + hci_ver = resp->hci_ver; + hci_rev = le16_to_cpu(resp->hci_rev); + lmp_subver = le16_to_cpu(resp->lmp_subver); + } +out_free: kfree_skb(skb); btrtl_dev->ic_info = btrtl_match_ic(lmp_subver, hci_rev, hci_ver, @@ -654,12 +683,12 @@ int btrtl_download_firmware(struct hci_dev *hdev, switch (btrtl_dev->ic_info->lmp_subver) { case RTL_ROM_LMP_8723A: - case RTL_ROM_LMP_3499: return btrtl_setup_rtl8723a(hdev, btrtl_dev); case RTL_ROM_LMP_8723B: case RTL_ROM_LMP_8821A: case RTL_ROM_LMP_8761A: case RTL_ROM_LMP_8822B: + case RTL_ROM_LMP_8852A: return btrtl_setup_rtl8723b(hdev, btrtl_dev); default: rtl_dev_info(hdev, "assuming no firmware upload needed"); @@ -835,3 +864,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8822b_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8822b_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852au_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852au_config.bin"); |