diff options
Diffstat (limited to 'drivers/bluetooth/btrtl.c')
| -rw-r--r-- | drivers/bluetooth/btrtl.c | 811 |
1 files changed, 708 insertions, 103 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index fb52313a1d45..5603b282f9bc 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -7,7 +7,7 @@ #include <linux/module.h> #include <linux/firmware.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/usb.h> #include <net/bluetooth/bluetooth.h> @@ -17,19 +17,29 @@ #define VERSION "0.1" +#define RTL_CHIP_8723CS_CG 3 +#define RTL_CHIP_8723CS_VF 4 +#define RTL_CHIP_8723CS_XX 5 #define RTL_EPATCH_SIGNATURE "Realtech" +#define RTL_EPATCH_SIGNATURE_V2 "RTBTCore" +#define RTL_ROM_LMP_8703B 0x8703 #define RTL_ROM_LMP_8723A 0x1200 #define RTL_ROM_LMP_8723B 0x8723 #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_ROM_LMP_8851B 0x8851 +#define RTL_ROM_LMP_8922A 0x8922 #define RTL_CONFIG_MAGIC 0x8723ab55 +#define RTL_VSC_OP_COREDUMP 0xfcff + #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_MATCH_FL_CHIP_TYPE (1 << 4) #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, \ @@ -38,6 +48,14 @@ .hci_ver = (hciv), \ .hci_bus = (bus) +#define RTL_CHIP_SUBVER (&(struct rtl_vendor_cmd) {{0x10, 0x38, 0x04, 0x28, 0x80}}) +#define RTL_CHIP_REV (&(struct rtl_vendor_cmd) {{0x10, 0x3A, 0x04, 0x28, 0x80}}) +#define RTL_SEC_PROJ (&(struct rtl_vendor_cmd) {{0x10, 0xA4, 0xAD, 0x00, 0xb0}}) + +#define RTL_PATCH_SNIPPETS 0x01 +#define RTL_PATCH_DUMMY_HEADER 0x02 +#define RTL_PATCH_SECURITY_HEADER 0x03 + enum btrtl_chip_id { CHIP_ID_8723A, CHIP_ID_8723B, @@ -51,6 +69,10 @@ enum btrtl_chip_id { CHIP_ID_8852A = 18, CHIP_ID_8852B = 20, CHIP_ID_8852C = 25, + CHIP_ID_8851B = 36, + CHIP_ID_8922A = 44, + CHIP_ID_8852BT = 47, + CHIP_ID_8761C = 51, }; struct id_table { @@ -59,11 +81,13 @@ struct id_table { __u16 hci_rev; __u8 hci_ver; __u8 hci_bus; + __u8 chip_type; bool config_needed; bool has_rom_version; bool has_msft_ext; char *fw_name; char *cfg_name; + char *hw_info; }; struct btrtl_device_info { @@ -75,6 +99,8 @@ struct btrtl_device_info { int cfg_len; bool drop_fw; int project_id; + u8 key_id; + struct list_head patch_subsecs; }; static const struct id_table ic_id_table[] = { @@ -82,133 +108,240 @@ static const struct id_table ic_id_table[] = { { 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 }, + .fw_name = "rtl_bt/rtl8723a_fw", + .cfg_name = NULL, + .hw_info = "rtl8723au" }, /* 8723BS */ { 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" }, + .fw_name = "rtl_bt/rtl8723bs_fw", + .cfg_name = "rtl_bt/rtl8723bs_config", + .hw_info = "rtl8723bs" }, /* 8723B */ { 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" }, + .fw_name = "rtl_bt/rtl8723b_fw", + .cfg_name = "rtl_bt/rtl8723b_config", + .hw_info = "rtl8723bu" }, + + /* 8723CS-CG */ + { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_CHIP_TYPE | + IC_MATCH_FL_HCIBUS, + .lmp_subver = RTL_ROM_LMP_8703B, + .chip_type = RTL_CHIP_8723CS_CG, + .hci_bus = HCI_UART, + .config_needed = true, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8723cs_cg_fw", + .cfg_name = "rtl_bt/rtl8723cs_cg_config", + .hw_info = "rtl8723cs-cg" }, + + /* 8723CS-VF */ + { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_CHIP_TYPE | + IC_MATCH_FL_HCIBUS, + .lmp_subver = RTL_ROM_LMP_8703B, + .chip_type = RTL_CHIP_8723CS_VF, + .hci_bus = HCI_UART, + .config_needed = true, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8723cs_vf_fw", + .cfg_name = "rtl_bt/rtl8723cs_vf_config", + .hw_info = "rtl8723cs-vf" }, + + /* 8723CS-XX */ + { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_CHIP_TYPE | + IC_MATCH_FL_HCIBUS, + .lmp_subver = RTL_ROM_LMP_8703B, + .chip_type = RTL_CHIP_8723CS_XX, + .hci_bus = HCI_UART, + .config_needed = true, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8723cs_xx_fw", + .cfg_name = "rtl_bt/rtl8723cs_xx_config", + .hw_info = "rtl8723cs" }, /* 8723D */ { 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" }, + .fw_name = "rtl_bt/rtl8723d_fw", + .cfg_name = "rtl_bt/rtl8723d_config", + .hw_info = "rtl8723du" }, /* 8723DS */ { 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" }, + .fw_name = "rtl_bt/rtl8723ds_fw", + .cfg_name = "rtl_bt/rtl8723ds_config", + .hw_info = "rtl8723ds" }, /* 8821A */ { 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" }, + .fw_name = "rtl_bt/rtl8821a_fw", + .cfg_name = "rtl_bt/rtl8821a_config", + .hw_info = "rtl8821au" }, /* 8821C */ { IC_INFO(RTL_ROM_LMP_8821A, 0xc, 0x8, HCI_USB), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8821c_fw.bin", - .cfg_name = "rtl_bt/rtl8821c_config" }, + .fw_name = "rtl_bt/rtl8821c_fw", + .cfg_name = "rtl_bt/rtl8821c_config", + .hw_info = "rtl8821cu" }, + + /* 8821CS */ + { IC_INFO(RTL_ROM_LMP_8821A, 0xc, 0x8, HCI_UART), + .config_needed = true, + .has_rom_version = true, + .has_msft_ext = true, + .fw_name = "rtl_bt/rtl8821cs_fw", + .cfg_name = "rtl_bt/rtl8821cs_config", + .hw_info = "rtl8821cs" }, /* 8761A */ { 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" }, + .fw_name = "rtl_bt/rtl8761a_fw", + .cfg_name = "rtl_bt/rtl8761a_config", + .hw_info = "rtl8761au" }, /* 8761B */ { IC_INFO(RTL_ROM_LMP_8761A, 0xb, 0xa, HCI_UART), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8761b_fw.bin", - .cfg_name = "rtl_bt/rtl8761b_config" }, + .fw_name = "rtl_bt/rtl8761b_fw", + .cfg_name = "rtl_bt/rtl8761b_config", + .hw_info = "rtl8761btv" }, /* 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" }, + .fw_name = "rtl_bt/rtl8761bu_fw", + .cfg_name = "rtl_bt/rtl8761bu_config", + .hw_info = "rtl8761bu" }, + + /* 8761CU */ + { IC_INFO(RTL_ROM_LMP_8761A, 0x0e, 0, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .fw_name = "rtl_bt/rtl8761cu_fw", + .cfg_name = "rtl_bt/rtl8761cu_config", + .hw_info = "rtl8761cu" }, /* 8822C with UART interface */ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0x8, HCI_UART), .config_needed = true, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8822cs_fw.bin", - .cfg_name = "rtl_bt/rtl8822cs_config" }, + .fw_name = "rtl_bt/rtl8822cs_fw", + .cfg_name = "rtl_bt/rtl8822cs_config", + .hw_info = "rtl8822cs" }, /* 8822C with UART interface */ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_UART), .config_needed = true, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8822cs_fw.bin", - .cfg_name = "rtl_bt/rtl8822cs_config" }, + .fw_name = "rtl_bt/rtl8822cs_fw", + .cfg_name = "rtl_bt/rtl8822cs_config", + .hw_info = "rtl8822cs" }, /* 8822C with USB interface */ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_USB), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8822cu_fw.bin", - .cfg_name = "rtl_bt/rtl8822cu_config" }, + .fw_name = "rtl_bt/rtl8822cu_fw", + .cfg_name = "rtl_bt/rtl8822cu_config", + .hw_info = "rtl8822cu" }, /* 8822B */ { IC_INFO(RTL_ROM_LMP_8822B, 0xb, 0x7, HCI_USB), .config_needed = true, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8822b_fw.bin", - .cfg_name = "rtl_bt/rtl8822b_config" }, + .fw_name = "rtl_bt/rtl8822b_fw", + .cfg_name = "rtl_bt/rtl8822b_config", + .hw_info = "rtl8822bu" }, /* 8852A */ { IC_INFO(RTL_ROM_LMP_8852A, 0xa, 0xb, HCI_USB), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8852au_fw.bin", - .cfg_name = "rtl_bt/rtl8852au_config" }, + .fw_name = "rtl_bt/rtl8852au_fw", + .cfg_name = "rtl_bt/rtl8852au_config", + .hw_info = "rtl8852au" }, + + /* 8852B with UART interface */ + { IC_INFO(RTL_ROM_LMP_8852A, 0xb, 0xb, HCI_UART), + .config_needed = true, + .has_rom_version = true, + .has_msft_ext = true, + .fw_name = "rtl_bt/rtl8852bs_fw", + .cfg_name = "rtl_bt/rtl8852bs_config", + .hw_info = "rtl8852bs" }, /* 8852B */ { IC_INFO(RTL_ROM_LMP_8852A, 0xb, 0xb, HCI_USB), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8852bu_fw.bin", - .cfg_name = "rtl_bt/rtl8852bu_config" }, + .fw_name = "rtl_bt/rtl8852bu_fw", + .cfg_name = "rtl_bt/rtl8852bu_config", + .hw_info = "rtl8852bu" }, /* 8852C */ { IC_INFO(RTL_ROM_LMP_8852A, 0xc, 0xc, HCI_USB), .config_needed = false, .has_rom_version = true, .has_msft_ext = true, - .fw_name = "rtl_bt/rtl8852cu_fw.bin", - .cfg_name = "rtl_bt/rtl8852cu_config" }, + .fw_name = "rtl_bt/rtl8852cu_fw", + .cfg_name = "rtl_bt/rtl8852cu_config", + .hw_info = "rtl8852cu" }, + + /* 8851B */ + { IC_INFO(RTL_ROM_LMP_8851B, 0xb, 0xc, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .has_msft_ext = false, + .fw_name = "rtl_bt/rtl8851bu_fw", + .cfg_name = "rtl_bt/rtl8851bu_config", + .hw_info = "rtl8851bu" }, + + /* 8922A */ + { IC_INFO(RTL_ROM_LMP_8922A, 0xa, 0xc, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .has_msft_ext = true, + .fw_name = "rtl_bt/rtl8922au_fw", + .cfg_name = "rtl_bt/rtl8922au_config", + .hw_info = "rtl8922au" }, + + /* 8852BT/8852BE-VT */ + { IC_INFO(RTL_ROM_LMP_8852A, 0x87, 0xc, HCI_USB), + .config_needed = false, + .has_rom_version = true, + .has_msft_ext = true, + .fw_name = "rtl_bt/rtl8852btu_fw", + .cfg_name = "rtl_bt/rtl8852btu_config", + .hw_info = "rtl8852btu" }, }; static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev, - u8 hci_ver, u8 hci_bus) + u8 hci_ver, u8 hci_bus, + u8 chip_type) { int i; @@ -220,11 +353,15 @@ static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev, (ic_id_table[i].hci_rev != hci_rev)) continue; if ((ic_id_table[i].match_flags & IC_MATCH_FL_HCIVER) && - (ic_id_table[i].hci_ver != hci_ver)) + (ic_id_table[i].hci_ver != hci_ver) && + (ic_id_table[i].hci_ver != 0)) continue; if ((ic_id_table[i].match_flags & IC_MATCH_FL_HCIBUS) && (ic_id_table[i].hci_bus != hci_bus)) continue; + if ((ic_id_table[i].match_flags & IC_MATCH_FL_CHIP_TYPE) && + (ic_id_table[i].chip_type != chip_type)) + continue; break; } @@ -284,11 +421,227 @@ static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version) return 0; } +static int btrtl_vendor_read_reg16(struct hci_dev *hdev, + struct rtl_vendor_cmd *cmd, u8 *rp) +{ + struct sk_buff *skb; + int err = 0; + + skb = __hci_cmd_sync(hdev, 0xfc61, sizeof(*cmd), cmd, + HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + rtl_dev_err(hdev, "RTL: Read reg16 failed (%d)", err); + return err; + } + + if (skb->len != 3 || skb->data[0]) { + bt_dev_err(hdev, "RTL: Read reg16 length mismatch"); + kfree_skb(skb); + return -EIO; + } + + if (rp) + memcpy(rp, skb->data + 1, 2); + + kfree_skb(skb); + + return 0; +} + +static void *rtl_iov_pull_data(struct rtl_iovec *iov, u32 len) +{ + void *data = iov->data; + + if (iov->len < len) + return NULL; + + iov->data += len; + iov->len -= len; + + return data; +} + +static void btrtl_insert_ordered_subsec(struct rtl_subsection *node, + struct btrtl_device_info *btrtl_dev) +{ + struct list_head *pos; + struct list_head *next; + struct rtl_subsection *subsec; + + list_for_each_safe(pos, next, &btrtl_dev->patch_subsecs) { + subsec = list_entry(pos, struct rtl_subsection, list); + if (subsec->prio >= node->prio) + break; + } + __list_add(&node->list, pos->prev, pos); +} + +static int btrtl_parse_section(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev, u32 opcode, + u8 *data, u32 len) +{ + struct rtl_section_hdr *hdr; + struct rtl_subsection *subsec; + struct rtl_common_subsec *common_subsec; + struct rtl_sec_hdr *sec_hdr; + int i; + u8 *ptr; + u16 num_subsecs; + u32 subsec_len; + int rc = 0; + struct rtl_iovec iov = { + .data = data, + .len = len, + }; + + hdr = rtl_iov_pull_data(&iov, sizeof(*hdr)); + if (!hdr) + return -EINVAL; + num_subsecs = le16_to_cpu(hdr->num); + + for (i = 0; i < num_subsecs; i++) { + common_subsec = rtl_iov_pull_data(&iov, sizeof(*common_subsec)); + if (!common_subsec) + break; + subsec_len = le32_to_cpu(common_subsec->len); + + rtl_dev_dbg(hdev, "subsec, eco 0x%02x, len %08x", + common_subsec->eco, subsec_len); + + ptr = rtl_iov_pull_data(&iov, subsec_len); + if (!ptr) + break; + + if (common_subsec->eco != btrtl_dev->rom_version + 1) + continue; + + switch (opcode) { + case RTL_PATCH_SECURITY_HEADER: + sec_hdr = (void *)common_subsec; + if (sec_hdr->key_id != btrtl_dev->key_id) + continue; + break; + } + + subsec = kzalloc(sizeof(*subsec), GFP_KERNEL); + if (!subsec) + return -ENOMEM; + subsec->opcode = opcode; + subsec->prio = common_subsec->prio; + subsec->len = subsec_len; + subsec->data = ptr; + btrtl_insert_ordered_subsec(subsec, btrtl_dev); + rc += subsec_len; + } + + return rc; +} + +static int rtlbt_parse_firmware_v2(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev, + unsigned char **_buf) +{ + struct rtl_epatch_header_v2 *hdr; + int rc; + u8 key_id; + u32 num_sections; + struct rtl_section *section; + struct rtl_subsection *entry, *tmp; + u32 section_len; + u32 opcode; + int len = 0; + int i; + u8 *ptr; + struct rtl_iovec iov = { + .data = btrtl_dev->fw_data, + .len = btrtl_dev->fw_len - 7, /* Cut the tail */ + }; + + key_id = btrtl_dev->key_id; + + hdr = rtl_iov_pull_data(&iov, sizeof(*hdr)); + if (!hdr) + return -EINVAL; + num_sections = le32_to_cpu(hdr->num_sections); + + rtl_dev_dbg(hdev, "FW version %08x-%08x", *((u32 *)hdr->fw_version), + *((u32 *)(hdr->fw_version + 4))); + + for (i = 0; i < num_sections; i++) { + section = rtl_iov_pull_data(&iov, sizeof(*section)); + if (!section) + break; + section_len = le32_to_cpu(section->len); + opcode = le32_to_cpu(section->opcode); + + rtl_dev_dbg(hdev, "opcode 0x%04x", section->opcode); + + ptr = rtl_iov_pull_data(&iov, section_len); + if (!ptr) + break; + + switch (opcode) { + case RTL_PATCH_SNIPPETS: + rc = btrtl_parse_section(hdev, btrtl_dev, opcode, + ptr, section_len); + break; + case RTL_PATCH_SECURITY_HEADER: + /* If key_id from chip is zero, ignore all security + * headers. + */ + if (!key_id) + break; + rc = btrtl_parse_section(hdev, btrtl_dev, opcode, + ptr, section_len); + break; + case RTL_PATCH_DUMMY_HEADER: + rc = btrtl_parse_section(hdev, btrtl_dev, opcode, + ptr, section_len); + break; + default: + rc = 0; + break; + } + if (rc < 0) { + rtl_dev_err(hdev, "RTL: Parse section (%u) err %d", + opcode, rc); + return rc; + } + len += rc; + } + + if (!len) + return -ENODATA; + + /* Allocate mem and copy all found subsecs. */ + ptr = kvmalloc(len, GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + len = 0; + list_for_each_entry_safe(entry, tmp, &btrtl_dev->patch_subsecs, list) { + rtl_dev_dbg(hdev, "RTL: opcode %08x, addr %p, len 0x%x", + entry->opcode, entry->data, entry->len); + memcpy(ptr + len, entry->data, entry->len); + len += entry->len; + } + + if (!len) { + kvfree(ptr); + return -EPERM; + } + + *_buf = ptr; + return len; +} + static int rtlbt_parse_firmware(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev, unsigned char **_buf) { static const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 }; + struct btrealtek_data *coredump_info = hci_get_priv(hdev); struct rtl_epatch_header *epatch_info; unsigned char *buf; int i, len; @@ -307,6 +660,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, { RTL_ROM_LMP_8723B, 1 }, { RTL_ROM_LMP_8821A, 2 }, { RTL_ROM_LMP_8761A, 3 }, + { RTL_ROM_LMP_8703B, 7 }, { RTL_ROM_LMP_8822B, 8 }, { RTL_ROM_LMP_8723B, 9 }, /* 8723D */ { RTL_ROM_LMP_8821A, 10 }, /* 8821C */ @@ -315,9 +669,24 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, { RTL_ROM_LMP_8852A, 18 }, /* 8852A */ { RTL_ROM_LMP_8852A, 20 }, /* 8852B */ { RTL_ROM_LMP_8852A, 25 }, /* 8852C */ + { RTL_ROM_LMP_8851B, 36 }, /* 8851B */ + { RTL_ROM_LMP_8922A, 44 }, /* 8922A */ + { RTL_ROM_LMP_8852A, 47 }, /* 8852BT */ + { RTL_ROM_LMP_8761A, 51 }, /* 8761C */ }; - min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3; + if (btrtl_dev->fw_len <= 8) + return -EINVAL; + + if (!memcmp(btrtl_dev->fw_data, RTL_EPATCH_SIGNATURE, 8)) + min_size = sizeof(struct rtl_epatch_header) + + sizeof(extension_sig) + 3; + else if (!memcmp(btrtl_dev->fw_data, RTL_EPATCH_SIGNATURE_V2, 8)) + min_size = sizeof(struct rtl_epatch_header_v2) + + sizeof(extension_sig) + 3; + else + return -EINVAL; + if (btrtl_dev->fw_len < min_size) return -EINVAL; @@ -329,7 +698,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, /* Loop from the end of the firmware parsing instructions, until * we find an instruction that identifies the "project ID" for the - * hardware supported by this firwmare file. + * hardware supported by this firmware file. * Once we have that, we double-check that project_id is suitable * for the hardware we are working with. */ @@ -382,15 +751,19 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, return -EINVAL; } - epatch_info = (struct rtl_epatch_header *)btrtl_dev->fw_data; - if (memcmp(epatch_info->signature, RTL_EPATCH_SIGNATURE, 8) != 0) { + if (memcmp(btrtl_dev->fw_data, RTL_EPATCH_SIGNATURE, 8) != 0) { + if (!memcmp(btrtl_dev->fw_data, RTL_EPATCH_SIGNATURE_V2, 8)) + return rtlbt_parse_firmware_v2(hdev, btrtl_dev, _buf); rtl_dev_err(hdev, "bad EPATCH signature"); return -EINVAL; } + epatch_info = (struct rtl_epatch_header *)btrtl_dev->fw_data; num_patches = le16_to_cpu(epatch_info->num_patches); + BT_DBG("fw_version=%x, num_patches=%d", le32_to_cpu(epatch_info->fw_version), num_patches); + coredump_info->rtl_dump.fw_version = le32_to_cpu(epatch_info->fw_version); /* After the rtl_epatch_header there is a funky patch metadata section. * Assuming 2 patches, the layout is: @@ -451,27 +824,27 @@ static int rtl_download_firmware(struct hci_dev *hdev, int frag_len = RTL_FRAG_LEN; int ret = 0; int i; + int j = 0; struct sk_buff *skb; struct hci_rp_read_local_version *rp; - dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL); + dl_cmd = kmalloc(sizeof(*dl_cmd), GFP_KERNEL); if (!dl_cmd) return -ENOMEM; for (i = 0; i < frag_num; i++) { struct sk_buff *skb; - BT_DBG("download fw (%d/%d)", i, frag_num); - - if (i > 0x7f) - dl_cmd->index = (i & 0x7f) + 1; - else - dl_cmd->index = i; + dl_cmd->index = j++; + if (dl_cmd->index == 0x7f) + j = 1; if (i == (frag_num - 1)) { dl_cmd->index |= 0x80; /* data end */ frag_len = fw_len % RTL_FRAG_LEN; } + rtl_dev_dbg(hdev, "download fw (%d/%d). index = %d", i, + frag_num, dl_cmd->index); memcpy(dl_cmd->data, data, frag_len); /* Send download command */ @@ -522,10 +895,8 @@ static int rtl_load_file(struct hci_dev *hdev, const char *name, u8 **buff) if (ret < 0) return ret; ret = fw->size; - *buff = kvmalloc(fw->size, GFP_KERNEL); - if (*buff) - memcpy(*buff, fw->data, ret); - else + *buff = kvmemdup(fw->data, fw->size, GFP_KERNEL); + if (!*buff) ret = -ENOMEM; release_firmware(fw); @@ -587,10 +958,104 @@ out: return ret; } +static void btrtl_coredump(struct hci_dev *hdev) +{ + static const u8 param[] = { 0x00, 0x00 }; + + __hci_cmd_send(hdev, RTL_VSC_OP_COREDUMP, sizeof(param), param); +} + +static void btrtl_dmp_hdr(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct btrealtek_data *coredump_info = hci_get_priv(hdev); + char buf[80]; + + if (coredump_info->rtl_dump.controller) + snprintf(buf, sizeof(buf), "Controller Name: %s\n", + coredump_info->rtl_dump.controller); + else + snprintf(buf, sizeof(buf), "Controller Name: Unknown\n"); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Firmware Version: 0x%X\n", + coredump_info->rtl_dump.fw_version); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Driver: %s\n", coredump_info->rtl_dump.driver_name); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Vendor: Realtek\n"); + skb_put_data(skb, buf, strlen(buf)); +} + +static void btrtl_register_devcoredump_support(struct hci_dev *hdev) +{ + hci_devcd_register(hdev, btrtl_coredump, btrtl_dmp_hdr, NULL); + +} + +void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name) +{ + struct btrealtek_data *coredump_info = hci_get_priv(hdev); + + coredump_info->rtl_dump.driver_name = driver_name; +} +EXPORT_SYMBOL_GPL(btrtl_set_driver_name); + +static bool rtl_has_chip_type(u16 lmp_subver) +{ + switch (lmp_subver) { + case RTL_ROM_LMP_8703B: + return true; + default: + break; + } + + return false; +} + +static int rtl_read_chip_type(struct hci_dev *hdev, u8 *type) +{ + struct rtl_chip_type_evt *chip_type; + struct sk_buff *skb; + const unsigned char cmd_buf[] = {0x00, 0x94, 0xa0, 0x00, 0xb0}; + + /* Read RTL chip type command */ + skb = __hci_cmd_sync(hdev, 0xfc61, 5, cmd_buf, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + rtl_dev_err(hdev, "Read chip type failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + + chip_type = skb_pull_data(skb, sizeof(*chip_type)); + if (!chip_type) { + rtl_dev_err(hdev, "RTL chip type event length mismatch"); + kfree_skb(skb); + return -EIO; + } + + rtl_dev_info(hdev, "chip_type status=%x type=%x", + chip_type->status, chip_type->type); + + *type = chip_type->type & 0x0f; + + kfree_skb(skb); + return 0; +} + void btrtl_free(struct btrtl_device_info *btrtl_dev) { + struct rtl_subsection *entry, *tmp; + kvfree(btrtl_dev->fw_data); kvfree(btrtl_dev->cfg_data); + + list_for_each_entry_safe(entry, tmp, &btrtl_dev->patch_subsecs, list) { + list_del(&entry->list); + kfree(entry); + } + kfree(btrtl_dev); } EXPORT_SYMBOL_GPL(btrtl_free); @@ -598,15 +1063,19 @@ EXPORT_SYMBOL_GPL(btrtl_free); struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, const char *postfix) { + struct btrealtek_data *coredump_info = hci_get_priv(hdev); struct btrtl_device_info *btrtl_dev; struct sk_buff *skb; struct hci_rp_read_local_version *resp; + struct hci_command_hdr *cmd; + char fw_name[40]; char cfg_name[40]; u16 hci_rev, lmp_subver; - u8 hci_ver; + u8 hci_ver, lmp_ver, chip_type = 0; int ret; - u16 opcode; - u8 cmd[2]; + int rc; + u8 key_id; + u8 reg_val[2]; btrtl_dev = kzalloc(sizeof(*btrtl_dev), GFP_KERNEL); if (!btrtl_dev) { @@ -614,6 +1083,31 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, goto err_alloc; } + INIT_LIST_HEAD(&btrtl_dev->patch_subsecs); + +check_version: + ret = btrtl_vendor_read_reg16(hdev, RTL_CHIP_SUBVER, reg_val); + if (ret < 0) + goto err_free; + lmp_subver = get_unaligned_le16(reg_val); + + if (lmp_subver == RTL_ROM_LMP_8822B) { + ret = btrtl_vendor_read_reg16(hdev, RTL_CHIP_REV, reg_val); + if (ret < 0) + goto err_free; + hci_rev = get_unaligned_le16(reg_val); + + /* 8822E */ + if (hci_rev == 0x000e) { + hci_ver = 0x0c; + lmp_ver = 0x0c; + btrtl_dev->ic_info = btrtl_match_ic(lmp_subver, hci_rev, + hci_ver, hdev->bus, + chip_type); + goto next; + } + } + skb = btrtl_read_local_version(hdev); if (IS_ERR(skb)) { ret = PTR_ERR(skb); @@ -621,62 +1115,58 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, } 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); + hci_ver = resp->hci_ver; + hci_rev = le16_to_cpu(resp->hci_rev); + lmp_ver = resp->lmp_ver; lmp_subver = le16_to_cpu(resp->lmp_subver); + kfree_skb(skb); + + if (rtl_has_chip_type(lmp_subver)) { + ret = rtl_read_chip_type(hdev, &chip_type); + if (ret) + goto err_free; + } + btrtl_dev->ic_info = btrtl_match_ic(lmp_subver, hci_rev, hci_ver, - hdev->bus); + hdev->bus, chip_type); - if (!btrtl_dev->ic_info) +next: + rtl_dev_info(hdev, "examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x lmp_subver=%04x", + hci_ver, hci_rev, + lmp_ver, lmp_subver); + + if (!btrtl_dev->ic_info && !btrtl_dev->drop_fw) btrtl_dev->drop_fw = true; + else + btrtl_dev->drop_fw = false; 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); + skb = bt_skb_alloc(sizeof(*cmd), GFP_KERNEL); if (!skb) - goto out_free; + goto err_free; + + cmd = skb_put(skb, HCI_COMMAND_HDR_SIZE); + cmd->opcode = cpu_to_le16(0xfc66); + cmd->plen = 0; - skb_put_data(skb, cmd, sizeof(cmd)); hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; - hdev->send(hdev, skb); + ret = hdev->send(hdev, skb); + if (ret < 0) { + bt_dev_err(hdev, "sending frame failed (%d)", ret); + kfree_skb(skb); + goto err_free; + } /* 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); - - btrtl_dev->ic_info = btrtl_match_ic(lmp_subver, hci_rev, hci_ver, - hdev->bus); + goto check_version; } -out_free: - kfree_skb(skb); if (!btrtl_dev->ic_info) { rtl_dev_info(hdev, "unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x", @@ -690,8 +1180,34 @@ out_free: goto err_free; } - btrtl_dev->fw_len = rtl_load_file(hdev, btrtl_dev->ic_info->fw_name, - &btrtl_dev->fw_data); + if (!btrtl_dev->ic_info->fw_name) { + ret = -ENOMEM; + goto err_free; + } + + rc = btrtl_vendor_read_reg16(hdev, RTL_SEC_PROJ, reg_val); + if (rc < 0) + goto err_free; + + key_id = reg_val[0]; + btrtl_dev->key_id = key_id; + rtl_dev_info(hdev, "%s: key id %u", __func__, key_id); + + btrtl_dev->fw_len = -EIO; + if (lmp_subver == RTL_ROM_LMP_8852A && hci_rev == 0x000c) { + snprintf(fw_name, sizeof(fw_name), "%s_v2.bin", + btrtl_dev->ic_info->fw_name); + btrtl_dev->fw_len = rtl_load_file(hdev, fw_name, + &btrtl_dev->fw_data); + } + + if (btrtl_dev->fw_len < 0) { + snprintf(fw_name, sizeof(fw_name), "%s.bin", + btrtl_dev->ic_info->fw_name); + btrtl_dev->fw_len = rtl_load_file(hdev, fw_name, + &btrtl_dev->fw_data); + } + if (btrtl_dev->fw_len < 0) { rtl_dev_err(hdev, "firmware file %s not found", btrtl_dev->ic_info->fw_name); @@ -699,7 +1215,7 @@ out_free: goto err_free; } - if (btrtl_dev->ic_info->cfg_name) { + if (btrtl_dev->ic_info->cfg_name && !btrtl_dev->key_id) { if (postfix) { snprintf(cfg_name, sizeof(cfg_name), "%s-%s.bin", btrtl_dev->ic_info->cfg_name, postfix); @@ -714,6 +1230,8 @@ out_free: rtl_dev_err(hdev, "mandatory config file %s not found", btrtl_dev->ic_info->cfg_name); ret = btrtl_dev->cfg_len; + if (!ret) + ret = -EINVAL; goto err_free; } } @@ -724,6 +1242,9 @@ out_free: if (btrtl_dev->ic_info->has_msft_ext) hci_set_msft_opcode(hdev, 0xFCF0); + if (btrtl_dev->ic_info) + coredump_info->rtl_dump.controller = btrtl_dev->ic_info->hw_info; + return btrtl_dev; err_free: @@ -736,6 +1257,8 @@ EXPORT_SYMBOL_GPL(btrtl_initialize); int btrtl_download_firmware(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev) { + int err = 0; + /* Match a set of subver values that correspond to stock firmware, * which is not compatible with standard btusb. * If matched, upload an alternative firmware that does conform to @@ -744,22 +1267,33 @@ int btrtl_download_firmware(struct hci_dev *hdev, */ if (!btrtl_dev->ic_info) { rtl_dev_info(hdev, "assuming no firmware upload needed"); - return 0; + err = 0; + goto done; } switch (btrtl_dev->ic_info->lmp_subver) { case RTL_ROM_LMP_8723A: - return btrtl_setup_rtl8723a(hdev, btrtl_dev); + err = btrtl_setup_rtl8723a(hdev, btrtl_dev); + break; 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); + case RTL_ROM_LMP_8703B: + case RTL_ROM_LMP_8851B: + case RTL_ROM_LMP_8922A: + err = btrtl_setup_rtl8723b(hdev, btrtl_dev); + break; default: rtl_dev_info(hdev, "assuming no firmware upload needed"); - return 0; + break; } + +done: + btrtl_register_devcoredump_support(hdev); + + return err; } EXPORT_SYMBOL_GPL(btrtl_download_firmware); @@ -768,7 +1302,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev) /* Enable controller to do both LE scan and BR/EDR inquiry * simultaneously. */ - set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); /* Enable central-peripheral role (able to create new connections with * an existing connection in slave role). @@ -779,8 +1313,24 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev) case CHIP_ID_8852A: case CHIP_ID_8852B: case CHIP_ID_8852C: - set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks); - set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); + case CHIP_ID_8851B: + case CHIP_ID_8922A: + case CHIP_ID_8852BT: + case CHIP_ID_8761C: + hci_set_quirk(hdev, HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED); + + /* RTL8852C needs to transmit mSBC data continuously without + * the zero length of USB packets for the ALT 6 supported chips + */ + if (btrtl_dev->project_id == CHIP_ID_8852C) + btrealtek_set_flag(hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP); + + if (btrtl_dev->project_id == CHIP_ID_8852A || + btrtl_dev->project_id == CHIP_ID_8852B || + btrtl_dev->project_id == CHIP_ID_8852C) + hci_set_quirk(hdev, + HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER); + hci_set_aosp_capable(hdev); break; default: @@ -788,6 +1338,21 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev) rtl_dev_dbg(hdev, "WBS supported not enabled."); break; } + + if (!btrtl_dev->ic_info) + return; + + switch (btrtl_dev->ic_info->lmp_subver) { + case RTL_ROM_LMP_8703B: + /* 8723CS reports two pages for local ext features, + * but it doesn't support any features from page 2 - + * it either responds with garbage or with error status + */ + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2); + break; + default: + break; + } } EXPORT_SYMBOL_GPL(btrtl_set_quirks); @@ -804,6 +1369,15 @@ int btrtl_setup_realtek(struct hci_dev *hdev) btrtl_set_quirks(hdev, btrtl_dev); + if (btrtl_dev->ic_info) { + hci_set_hw_info(hdev, + "RTL lmp_subver=%u hci_rev=%u hci_ver=%u hci_bus=%u", + btrtl_dev->ic_info->lmp_subver, + btrtl_dev->ic_info->hci_rev, + btrtl_dev->ic_info->hci_ver, + btrtl_dev->ic_info->hci_bus); + } + btrtl_free(btrtl_dev); return ret; } @@ -817,7 +1391,7 @@ int btrtl_shutdown_realtek(struct hci_dev *hdev) /* According to the vendor driver, BT must be reset on close to avoid * firmware crash. */ - skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_CMD_TIMEOUT); if (IS_ERR(skb)) { ret = PTR_ERR(skb); bt_dev_err(hdev, "HCI reset during shutdown failed"); @@ -946,17 +1520,48 @@ MODULE_FIRMWARE("rtl_bt/rtl8723b_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8723b_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8723bs_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8723bs_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_cg_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_cg_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_vf_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_vf_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_xx_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723cs_xx_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723d_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8723d_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8723ds_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8723ds_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8761a_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8761a_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761b_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761bu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761cu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761cu_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8821c_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8821c_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8821cs_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8821cs_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8822b_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8822b_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8822cs_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8822cs_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8822cu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8822cu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8851bu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8851bu_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852au_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852au_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852bs_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852bs_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852bu_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852bu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852btu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852btu_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw_v2.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8922au_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8922au_config.bin"); |