/* * * Realtek Bluetooth USB download firmware driver * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32) #include #endif #include #include #include #include #include #include "rtk_misc.h" #include #include #define BDADDR_STRING_LEN 17 #define BDADDR_FILE "/opt/bdaddr" struct cfg_list_item { struct list_head list; u16 offset; u8 len; u8 data[0]; }; static struct list_head list_configs; #define EXTRA_CONFIG_FILE "/opt/rtk_btconfig.txt" static struct list_head list_extracfgs; #define CMD_CMP_EVT 0x0e #define PKT_LEN 300 #define MSG_TO 1000 //us #define PATCH_SEG_MAX 252 #define DATA_END 0x80 #define DOWNLOAD_OPCODE 0xfc20 /* This command is used only for TV patch * if host is going to suspend state, it should send this command to * Controller. Controller will scan the special advertising packet * which indicates Controller to wake up host */ #define STARTSCAN_OPCODE 0xfc28 #define TRUE 1 #define FALSE 0 #define CMD_HDR_LEN sizeof(struct hci_command_hdr) #define EVT_HDR_LEN sizeof(struct hci_event_hdr) #define CMD_CMP_LEN sizeof(struct hci_ev_cmd_complete) #define HCI_CMD_READ_BD_ADDR 0x1009 #define HCI_VENDOR_CHANGE_BDRATE 0xfc17 #define HCI_VENDOR_READ_RTK_ROM_VERISION 0xfc6d #define HCI_VENDOR_READ_LMP_VERISION 0x1001 #define ROM_LMP_NONE 0x0000 #define ROM_LMP_8723a 0x1200 #define ROM_LMP_8723b 0x8723 #define ROM_LMP_8821a 0X8821 #define ROM_LMP_8761a 0X8761 #define ROM_LMP_8822b 0X8822 struct rtk_eversion_evt { uint8_t status; uint8_t version; } __attribute__ ((packed)); struct rtk_epatch_entry { uint16_t chipID; uint16_t patch_length; uint32_t start_offset; } __attribute__ ((packed)); struct rtk_epatch { uint8_t signature[8]; uint32_t fw_version; uint16_t number_of_total_patch; struct rtk_epatch_entry entry[0]; } __attribute__ ((packed)); struct rtk_extension_entry { uint8_t opcode; uint8_t length; uint8_t *data; } __attribute__ ((packed)); //signature: Realtech const uint8_t RTK_EPATCH_SIGNATURE[8] = { 0x52, 0x65, 0x61, 0x6C, 0x74, 0x65, 0x63, 0x68 }; //Extension Section IGNATURE:0x77FD0451 const uint8_t Extension_Section_SIGNATURE[4] = { 0x51, 0x04, 0xFD, 0x77 }; uint16_t project_id[] = { ROM_LMP_8723a, ROM_LMP_8723b, ROM_LMP_8821a, ROM_LMP_8761a, ROM_LMP_NONE, ROM_LMP_NONE, ROM_LMP_NONE, ROM_LMP_NONE, ROM_LMP_8822b, ROM_LMP_8723b, /* RTL8723DU */ ROM_LMP_8821a, /* RTL8821CU */ ROM_LMP_NONE, ROM_LMP_NONE, ROM_LMP_8822b, /* RTL8822CU */ ROM_LMP_8761a, /* index 14 for 8761BU */ }; enum rtk_endpoit { CTRL_EP = 0, INTR_EP = 1, BULK_EP = 2, ISOC_EP = 3 }; /* software id */ #define RTLPREVIOUS 0x00 #define RTL8822BU 0x70 #define RTL8723DU 0x71 #define RTL8821CU 0x72 #define RTL8822CU 0x73 #define RTL8761BU 0x74 typedef struct { uint16_t prod_id; uint16_t lmp_sub; char * mp_patch_name; char * patch_name; char * config_name; /* TODO: Remove the following avariables */ uint8_t *fw_cache1; int fw_len1; u8 chip_type; } patch_info; typedef struct { struct list_head list_node; struct usb_interface *intf; struct usb_device *udev; patch_info *patch_entry; } dev_data; typedef struct { dev_data *dev_entry; int pipe_in, pipe_out; uint8_t *send_pkt; uint8_t *rcv_pkt; struct hci_command_hdr *cmd_hdr; struct hci_event_hdr *evt_hdr; struct hci_ev_cmd_complete *cmd_cmp; uint8_t *req_para, *rsp_para; uint8_t *fw_data; int pkt_len, fw_len; } xchange_data; typedef struct { uint8_t index; uint8_t data[PATCH_SEG_MAX]; } __attribute__ ((packed)) download_cp; typedef struct { uint8_t status; uint8_t index; } __attribute__ ((packed)) download_rp; #define RTK_VENDOR_CONFIG_MAGIC 0x8723ab55 const u8 cfg_magic[4] = { 0x55, 0xab, 0x23, 0x87 }; struct rtk_bt_vendor_config_entry { uint16_t offset; uint8_t entry_len; uint8_t entry_data[0]; } __attribute__ ((packed)); struct rtk_bt_vendor_config { uint32_t signature; uint16_t data_len; struct rtk_bt_vendor_config_entry entry[0]; } __attribute__ ((packed)); #define BT_CONFIG_HDRLEN sizeof(struct rtk_bt_vendor_config) static uint8_t gEVersion = 0xFF; static dev_data *dev_data_find(struct usb_interface *intf); static patch_info *get_patch_entry(struct usb_device *udev); static int load_firmware(dev_data * dev_entry, uint8_t ** buff); static void init_xdata(xchange_data * xdata, dev_data * dev_entry); static int check_fw_version(xchange_data * xdata); static int download_data(xchange_data * xdata); static int send_hci_cmd(xchange_data * xdata); static int rcv_hci_evt(xchange_data * xdata); static uint8_t rtk_get_eversion(dev_data * dev_entry); static patch_info fw_patch_table[] = { /* { pid, lmp_sub, mp_fw_name, fw_name, config_name, fw_cache, fw_len } */ {0x1724, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* RTL8723A */ {0x8723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE */ {0xA723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE for LI */ {0x0723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE */ {0x3394, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE for Azurewave */ {0x0724, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */ {0x8725, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */ {0x872A, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */ {0x872B, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */ {0xb720, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0}, /* RTL8723BU */ {0xb72A, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0}, /* RTL8723BU */ {0xb728, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for LC */ {0xb723, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0xb72B, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0xb001, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for HP */ {0xb002, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0xb003, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0xb004, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0xb005, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */ {0x3410, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */ {0x3416, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */ {0x3459, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */ {0xE085, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */ {0xE08B, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */ {0xE09E, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */ {0xA761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU only */ {0x818B, 0x8761, "mp_rtl8761a_fw", "rtl8761aw_fw", "rtl8761aw_config", NULL, 0}, /* RTL8761AW + 8192EU */ {0x818C, 0x8761, "mp_rtl8761a_fw", "rtl8761aw_fw", "rtl8761aw_config", NULL, 0}, /* RTL8761AW + 8192EU */ {0x8760, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE */ {0xB761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE */ {0x8761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE for LI */ {0x8A60, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8812AE */ {0x3527, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8814AE */ {0x8821, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0x0821, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0x0823, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AU */ {0x3414, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0x3458, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0x3461, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0x3462, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */ {0xb82c, 0x8822, "mp_rtl8822bu_fw", "rtl8822bu_fw", "rtl8822bu_config", NULL, 0}, /* RTL8822BU */ {0xd723, 0x8723, "mp_rtl8723du_fw", "rtl8723du_fw", "rtl8723du_config", NULL, 0}, /* RTL8723DU */ {0xb820, 0x8821, "mp_rtl8821cu_fw", "rtl8821cu_fw", "rtl8821cu_config", NULL, 0 }, /* RTL8821CU */ {0xc820, 0x8821, "mp_rtl8821cu_fw", "rtl8821cu_fw", "rtl8821cu_config", NULL, 0 }, /* RTL8821CU */ {0xc82c, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CU */ {0xc822, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */ {0xb00c, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */ {0xc123, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */ {0x3549, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE for Azurewave */ {0x3553, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE for Azurewave */ {0x3555, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE for Azurewave */ {0x8771, 0x8761, "mp_rtl8761bu_fw", "rtl8761bu_fw", "rtl8761bu_config", NULL, 0}, /* RTL8761BU only */ /* NOTE: must append patch entries above the null entry */ {0, 0, NULL, NULL, NULL, NULL, 0} }; static LIST_HEAD(dev_data_list); void util_hexdump(const u8 *buf, size_t len) { static const char hexdigits[] = "0123456789abcdef"; char str[16 * 3]; size_t i; if (!buf || !len) return; for (i = 0; i < len; i++) { str[((i % 16) * 3)] = hexdigits[buf[i] >> 4]; str[((i % 16) * 3) + 1] = hexdigits[buf[i] & 0xf]; str[((i % 16) * 3) + 2] = ' '; if ((i + 1) % 16 == 0) { str[16 * 3 - 1] = '\0'; RTKBT_DBG("%s", str); } } if (i % 16 > 0) { str[(i % 16) * 3 - 1] = '\0'; RTKBT_DBG("%s", str); } } #ifdef RTKBT_SWITCH_PATCH int __rtk_send_hci_cmd(struct usb_device *udev, u8 *buf, u16 size) { int result; unsigned int pipe = usb_sndctrlpipe(udev, 0); result = usb_control_msg(udev, pipe, 0, USB_TYPE_CLASS, 0, 0, buf, size, 1000); /* 1000 msecs */ if (result < 0) RTKBT_ERR("%s: Couldn't send hci cmd, err %d", __func__, result); return result; } int __rtk_recv_hci_evt(struct usb_device *udev, u8 *buf, u8 len, u16 opcode) { int recv_length = 0; int result = 0; int i; unsigned int pipe = usb_rcvintpipe(udev, 1); struct hci_event_hdr *hdr; struct hci_ev_cmd_complete *cmd_cmpl; if (len < sizeof(*hdr) + sizeof(*cmd_cmpl)) { RTKBT_ERR("%s: Invalid buf length %u", __func__, len); return -1; } while (1) { for (i = 0; i < 5; i++) { result = usb_interrupt_msg(udev, pipe, (void *)buf, PKT_LEN, &recv_length, MSG_TO); if (result >= 0) break; } if (result < 0) { RTKBT_ERR("%s; Couldn't receive HCI event, err %d", __func__, result); return result; } /* Ignore the event which is not command complete event */ if (recv_length < sizeof(*hdr) + sizeof(*cmd_cmpl)) continue; hdr = (struct hci_event_hdr *)buf; cmd_cmpl = (struct hci_ev_cmd_complete *)(buf + sizeof(*hdr)); if (hdr->evt == 0x0e) { if (opcode == cmd_cmpl->opcode) return recv_length; } } } #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0) static inline struct inode *file_inode(const struct file *f) { return f->f_path.dentry->d_inode; } #endif static int config_lists_init(void) { INIT_LIST_HEAD(&list_configs); INIT_LIST_HEAD(&list_extracfgs); return 0; } static void config_lists_free(void) { struct list_head *iter; struct list_head *tmp; struct list_head *head; struct cfg_list_item *n; if (!list_empty(&list_extracfgs)) list_splice_tail(&list_extracfgs, &list_configs); head = &list_configs; list_for_each_safe(iter, tmp, head) { n = list_entry(iter, struct cfg_list_item, list); if (n) { list_del(&n->list); kfree(n); } } INIT_LIST_HEAD(&list_configs); INIT_LIST_HEAD(&list_extracfgs); } static void line_process(char *buf, int len) { char *argv[32]; int argc = 0; unsigned long offset; u8 l; u8 i = 0; char *ptr = buf; char *head = buf; struct cfg_list_item *item; while ((ptr = strsep(&head, ", \t")) != NULL) { if (!ptr[0]) continue; argv[argc++] = ptr; if (argc >= 32) { RTKBT_WARN("%s: Config item is too long", __func__); break; } } if (argc < 4) { RTKBT_WARN("%s: Invalid Config item, ignore", __func__); return; } offset = simple_strtoul(argv[0], NULL, 16); offset = offset | (simple_strtoul(argv[1], NULL, 16) << 8); l = (u8)simple_strtoul(argv[2], NULL, 16); if (l != (u8)(argc - 3)) { RTKBT_ERR("invalid len %u", l); return; } item = kzalloc(sizeof(*item) + l, GFP_KERNEL); if (!item) { RTKBT_WARN("%s: Cannot alloc mem for item, %04lx, %u", __func__, offset, l); return; } item->offset = (u16)offset; item->len = l; for (i = 0; i < l; i++) item->data[i] = (u8)simple_strtoul(argv[3 + i], NULL, 16); list_add_tail(&item->list, &list_extracfgs); } static void config_process(u8 *buff, int len) { char *head = (void *)buff; char *ptr = (void *)buff; while ((ptr = strsep(&head, "\n\r")) != NULL) { if (!ptr[0]) continue; line_process(ptr, strlen(ptr) + 1); } } static void config_file_proc(const char *path) { int size; int rc; struct file *file; u8 tbuf[256]; #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) loff_t pos = 0; #endif file = filp_open(path, O_RDONLY, 0); if (IS_ERR(file)) return; if (!S_ISREG(file_inode(file)->i_mode)) return; size = i_size_read(file_inode(file)); if (size <= 0) return; memset(tbuf, 0, sizeof(tbuf)); #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) rc = kernel_read(file, tbuf, size, &pos); #else rc = kernel_read(file, 0, tbuf, size); #endif fput(file); if (rc != size) { if (rc >= 0) rc = -EIO; return; } tbuf[rc++] = '\n'; tbuf[rc++] = '\0'; config_process(tbuf, rc); } int patch_add(struct usb_interface *intf) { dev_data *dev_entry; struct usb_device *udev; RTKBT_DBG("patch_add"); dev_entry = dev_data_find(intf); if (NULL != dev_entry) { return -1; } udev = interface_to_usbdev(intf); #if BTUSB_RPM RTKBT_DBG("auto suspend is enabled"); usb_enable_autosuspend(udev); pm_runtime_set_autosuspend_delay(&(udev->dev), 2000); #else RTKBT_DBG("auto suspend is disabled"); usb_disable_autosuspend(udev); #endif dev_entry = kzalloc(sizeof(dev_data), GFP_KERNEL); dev_entry->intf = intf; dev_entry->udev = udev; dev_entry->patch_entry = get_patch_entry(udev); if (NULL == dev_entry->patch_entry) { kfree(dev_entry); return -1; } list_add(&dev_entry->list_node, &dev_data_list); /* Should reset the gEVersion to 0xff, otherwise the stored gEVersion * would cause rtk_get_eversion() returning previous gEVersion if * change to different ECO chip. * This would cause downloading wrong patch, and the controller can't * work. */ RTKBT_DBG("%s: Reset gEVersion to 0xff", __func__); gEVersion = 0xff; return 0; } void patch_remove(struct usb_interface *intf) { dev_data *dev_entry; struct usb_device *udev; udev = interface_to_usbdev(intf); #if BTUSB_RPM usb_disable_autosuspend(udev); #endif dev_entry = dev_data_find(intf); if (NULL == dev_entry) { return; } RTKBT_DBG("patch_remove"); list_del(&dev_entry->list_node); kfree(dev_entry); } static int send_reset_command(xchange_data *xdata) { int ret_val; RTKBT_DBG("HCI reset."); xdata->cmd_hdr->opcode = cpu_to_le16(HCI_OP_RESET); xdata->cmd_hdr->plen = 0; xdata->pkt_len = CMD_HDR_LEN; ret_val = send_hci_cmd(xdata); if (ret_val < 0) { RTKBT_ERR("failed to send hci cmd."); return ret_val; } ret_val = rcv_hci_evt(xdata); if (ret_val < 0) { RTKBT_ERR("failed to recv hci event."); return ret_val; } return 0; } static inline int get_max_patch_size(u8 chip_type) { int max_patch_size = 0; switch (chip_type) { case RTLPREVIOUS: max_patch_size = 24 * 1024; break; case RTL8822BU: max_patch_size = 25 * 1024; break; case RTL8723DU: case RTL8822CU: case RTL8761BU: case RTL8821CU: max_patch_size = 40 * 1024; break; default: max_patch_size = 40 * 1024; break; } return max_patch_size; } int download_patch(struct usb_interface *intf) { dev_data *dev_entry; patch_info *pinfo; xchange_data *xdata = NULL; uint8_t *fw_buf; int ret_val; int max_patch_size = 0; RTKBT_DBG("download_patch start"); dev_entry = dev_data_find(intf); if (NULL == dev_entry) { ret_val = -1; RTKBT_ERR("NULL == dev_entry"); goto patch_end; } xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL); if (NULL == xdata) { ret_val = -1; RTKBT_DBG("NULL == xdata"); goto patch_end; } init_xdata(xdata, dev_entry); ret_val = check_fw_version(xdata); if (ret_val < 0) { RTKBT_ERR("Failed to get Local Version Information"); goto patch_end; } else if (ret_val > 0) { RTKBT_DBG("Firmware already exists"); /* Patch alread exists, just return */ if (gEVersion == 0xff) { RTKBT_DBG("global_version is not set, get it!"); gEVersion = rtk_get_eversion(dev_entry); } goto patch_end; } xdata->fw_len = load_firmware(dev_entry, &xdata->fw_data); if (xdata->fw_len <= 0) { RTKBT_ERR("load firmware failed!"); ret_val = -1; goto patch_end; } fw_buf = xdata->fw_data; pinfo = dev_entry->patch_entry; if (!pinfo) { RTKBT_ERR("%s: No patch entry", __func__); ret_val = -1; goto patch_fail; } max_patch_size = get_max_patch_size(pinfo->chip_type); if (xdata->fw_len > max_patch_size) { RTKBT_ERR("FW/CONFIG total length larger than allowed %d", max_patch_size); ret_val = -1; goto patch_fail; } ret_val = download_data(xdata); if (ret_val < 0) { RTKBT_ERR("download_data failed, err %d", ret_val); goto patch_fail; } ret_val = check_fw_version(xdata); if (ret_val <= 0) { RTKBT_ERR("%s: Read Local Version Info failure after download", __func__); ret_val = -1; goto patch_fail; } ret_val = 0; patch_fail: kfree(fw_buf); patch_end: if (xdata != NULL) { if (xdata->send_pkt) kfree(xdata->send_pkt); if (xdata->rcv_pkt) kfree(xdata->rcv_pkt); kfree(xdata); } RTKBT_DBG("Rtk patch end %d", ret_val); return ret_val; } #ifdef RTKBT_SWITCH_PATCH /* @return: * -1: error * 0: download patch successfully * >0: patch already exists */ int download_lps_patch(struct usb_interface *intf) { dev_data *dev_entry; xchange_data *xdata = NULL; uint8_t *fw_buf; int result; char name1[64]; char *origin_name1; char name2[64]; char *origin_name2; RTKBT_DBG("Download LPS Patch start"); dev_entry = dev_data_find(intf); if (!dev_entry) { RTKBT_ERR("No Patch found"); return -1; } xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL); if (!xdata) { RTKBT_ERR("Couldn't alloc xdata"); return -1; } init_xdata(xdata, dev_entry); result = check_fw_version(xdata); if (result < 0) { RTKBT_ERR("Failed to get Local Version Information"); goto patch_end; } else if (result > 0) { RTKBT_DBG("Firmware already exists"); /* Patch alread exists, just return */ if (gEVersion == 0xff) { RTKBT_DBG("global_version is not set, get it!"); gEVersion = rtk_get_eversion(dev_entry); } goto patch_end; } origin_name1 = dev_entry->patch_entry->patch_name; origin_name2 = dev_entry->patch_entry->config_name; snprintf(name1, sizeof(name1), "lps_%s", origin_name1); snprintf(name2, sizeof(name2), "lps_%s", origin_name2); dev_entry->patch_entry->patch_name = name1; dev_entry->patch_entry->config_name = name2; RTKBT_INFO("Loading %s and %s", name1, name2); xdata->fw_len = load_firmware(dev_entry, &xdata->fw_data); dev_entry->patch_entry->patch_name = origin_name1; dev_entry->patch_entry->config_name = origin_name2; if (xdata->fw_len <= 0) { result = -1; RTKBT_ERR("load firmware failed!"); goto patch_end; } fw_buf = xdata->fw_data; pinfo = dev_entry->patch_entry; if (!pinfo) { RTKBT_ERR("%s: No patch entry", __func__); result = -1; goto patch_fail; } max_patch_size = get_max_patch_size(pinfo->chip_type); if (xdata->fw_len > max_patch_size) { result = -1; RTKBT_ERR("FW/CONFIG total length larger than allowed %d", max_patch_size); goto patch_fail; } result = download_data(xdata); if (result < 0) { RTKBT_ERR("download_data failed, err %d", result); goto patch_fail; } result = check_fw_version(xdata); if (result <= 0) { RTKBT_ERR("%s: Read Local Version Info failure after download", __func__); result = -1; goto patch_fail; } result = 0; patch_fail: kfree(fw_buf); patch_end: if (xdata->send_pkt) kfree(xdata->send_pkt); if (xdata->rcv_pkt) kfree(xdata->rcv_pkt); kfree(xdata); RTKBT_DBG("Download LPS Patch end %d", result); return result; } #endif int set_scan(struct usb_interface *intf) { dev_data *dev_entry; xchange_data *xdata = NULL; int result; RTKBT_DBG("%s", __func__); dev_entry = dev_data_find(intf); if (!dev_entry) return -1; xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL); if (!xdata) { RTKBT_ERR("Could not alloc xdata"); return -1; } init_xdata(xdata, dev_entry); xdata->cmd_hdr->opcode = cpu_to_le16(STARTSCAN_OPCODE); xdata->cmd_hdr->plen = 1; xdata->pkt_len = CMD_HDR_LEN + 1; xdata->send_pkt[CMD_HDR_LEN] = 1; result = send_hci_cmd(xdata); if (result < 0) goto end; result = rcv_hci_evt(xdata); end: if (xdata) { if (xdata->send_pkt) kfree(xdata->send_pkt); if (xdata->rcv_pkt) kfree(xdata->rcv_pkt); kfree(xdata); } RTKBT_DBG("%s done", __func__); return result; } dev_data *dev_data_find(struct usb_interface * intf) { dev_data *dev_entry; list_for_each_entry(dev_entry, &dev_data_list, list_node) { if (dev_entry->intf == intf) { patch_info *patch = dev_entry->patch_entry; if (!patch) return NULL; switch (patch->prod_id){ case 0xb82c: patch->chip_type = RTL8822BU; break; case 0xd723: patch->chip_type = RTL8723DU; break; case 0xb820: case 0xc820: patch->chip_type = RTL8821CU; break; case 0xc82c: case 0xc822: case 0xb00c: case 0xc123: case 0x3549: case 0x3555: case 0x3553: patch->chip_type = RTL8822CU; break; case 0x8771: patch->chip_type = RTL8761BU; break; default: patch->chip_type = RTLPREVIOUS; break; } RTKBT_INFO("chip type value: 0x%02x", patch->chip_type); return dev_entry; } } return NULL; } patch_info *get_patch_entry(struct usb_device * udev) { patch_info *patch_entry; uint16_t pid; patch_entry = fw_patch_table; pid = le16_to_cpu(udev->descriptor.idProduct); RTKBT_DBG("pid = 0x%x", pid); while (pid != patch_entry->prod_id) { if (0 == patch_entry->prod_id) { RTKBT_DBG ("get_patch_entry =NULL, can not find device pid in patch_table"); return NULL; //break; } patch_entry++; } return patch_entry; } static int is_mac(u8 chip_type, u16 offset) { int result = 0; switch (chip_type) { case RTL8822BU: case RTL8723DU: case RTL8821CU: if (offset == 0x0044) return 1; break; case RTL8822CU: case RTL8761BU: if (offset == 0x0030) return 1; break; case RTLPREVIOUS: if (offset == 0x003c) return 1; break; } return result; } static uint16_t get_mac_offset(u8 chip_type) { switch (chip_type) { case RTL8822BU: case RTL8723DU: case RTL8821CU: return 0x0044; case RTL8822CU: case RTL8761BU: return 0x0030; case RTLPREVIOUS: return 0x003c; default: return 0x003c; } } static void merge_configs(struct list_head *head, struct list_head *head2) { struct list_head *epos, *enext; struct list_head *pos, *next; struct cfg_list_item *n; struct cfg_list_item *extra; if (!head || !head2) return; if (list_empty(head2)) return; if (list_empty(head)) { list_splice_tail(head2, head); return; } /* Add or update & replace */ list_for_each_safe(epos, enext, head2) { extra = list_entry(epos, struct cfg_list_item, list); list_for_each_safe(pos, next, head) { n = list_entry(pos, struct cfg_list_item, list); if (extra->offset == n->offset) { if (extra->len < n->len) { /* Update the cfg data */ RTKBT_INFO("Update cfg: ofs %04x len %u", n->offset, n->len); memcpy(n->data, extra->data, extra->len); list_del(epos); kfree(extra); } else { /* Replace the item */ list_del(epos); list_replace_init(pos, epos); /* free the old item */ kfree(n); } } } } if (list_empty(head2)) return; list_for_each_safe(epos, enext, head2) { extra = list_entry(epos, struct cfg_list_item, list); RTKBT_INFO("Add new cfg: ofs %04x, len %u", extra->offset, extra->len); /* Add the item to list */ list_del(epos); list_add_tail(epos, head); } } int rtk_parse_config_file(u8 *config_buf, int filelen) { struct rtk_bt_vendor_config *config = (void *)config_buf; u16 config_len = 0, temp = 0; struct rtk_bt_vendor_config_entry *entry = NULL; u32 i = 0; struct cfg_list_item *item; if (!config_buf) return -EINVAL; config_len = le16_to_cpu(config->data_len); entry = config->entry; if (le32_to_cpu(config->signature) != RTK_VENDOR_CONFIG_MAGIC) { RTKBT_ERR("sig magic num %08x, not rtk vendor magic %08x", config->signature, RTK_VENDOR_CONFIG_MAGIC); return -1; } if (config_len != filelen - BT_CONFIG_HDRLEN) { RTKBT_ERR("config length %u is not right %u", config_len, (u16)(filelen - BT_CONFIG_HDRLEN)); return -1; } for (i = 0; i < config_len;) { /* Add config item to list */ item = kzalloc(sizeof(*item) + entry->entry_len, GFP_KERNEL); if (item) { item->offset = le16_to_cpu(entry->offset); item->len = entry->entry_len; memcpy(item->data, entry->entry_data, item->len); list_add_tail(&item->list, &list_configs); } else { RTKBT_ERR("Cannot alloc mem for entry %04x, %u", entry->offset, entry->entry_len); break; } temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry); i += temp; entry = (struct rtk_bt_vendor_config_entry *)((uint8_t *) entry + temp); } return 0;; } uint8_t rtk_get_fw_project_id(uint8_t * p_buf) { uint8_t opcode; uint8_t len; uint8_t data = 0; do { opcode = *p_buf; len = *(p_buf - 1); if (opcode == 0x00) { if (len == 1) { data = *(p_buf - 2); RTKBT_DBG ("rtk_get_fw_project_id: opcode %d, len %d, data %d", opcode, len, data); break; } else { RTKBT_ERR ("rtk_get_fw_project_id: invalid len %d", len); } } p_buf -= len + 2; } while (*p_buf != 0xFF); return data; } static void rtk_get_patch_entry(uint8_t * epatch_buf, struct rtk_epatch_entry *entry) { uint32_t svn_ver; uint32_t coex_ver; uint32_t tmp; uint16_t i; struct rtk_epatch *epatch_info = (struct rtk_epatch *)epatch_buf; epatch_info->number_of_total_patch = le16_to_cpu(epatch_info->number_of_total_patch); RTKBT_DBG("fw_version = 0x%x", le32_to_cpu(epatch_info->fw_version)); RTKBT_DBG("number_of_total_patch = %d", epatch_info->number_of_total_patch); /* get right epatch entry */ for (i = 0; i < epatch_info->number_of_total_patch; i++) { if (get_unaligned_le16(epatch_buf + 14 + 2 * i) == gEVersion + 1) { entry->chipID = gEVersion + 1; entry->patch_length = get_unaligned_le16(epatch_buf + 14 + 2 * epatch_info->number_of_total_patch + 2 * i); entry->start_offset = get_unaligned_le32(epatch_buf + 14 + 4 * epatch_info-> number_of_total_patch + 4 * i); break; } } if (i >= epatch_info->number_of_total_patch) { entry->patch_length = 0; entry->start_offset = 0; RTKBT_ERR("No corresponding patch found\n"); return; } svn_ver = get_unaligned_le32(epatch_buf + entry->start_offset + entry->patch_length - 8); coex_ver = get_unaligned_le32(epatch_buf + entry->start_offset + entry->patch_length - 12); RTKBT_DBG("chipID %d", entry->chipID); RTKBT_DBG("patch_length 0x%04x", entry->patch_length); RTKBT_DBG("start_offset 0x%08x", entry->start_offset); RTKBT_DBG("Svn version: %8d", svn_ver); tmp = ((coex_ver >> 16) & 0x7ff) + (coex_ver >> 27) * 10000; RTKBT_DBG("Coexistence: BTCOEX_20%06d-%04x", tmp, (coex_ver & 0xffff)); } int bachk(const char *str) { if (!str) return -1; if (strlen(str) != 17) return -1; while (*str) { if (!isxdigit(*str++)) return -1; if (!isxdigit(*str++)) return -1; if (*str == 0) break; if (*str++ != ':') return -1; } return 0; } static int request_bdaddr(u8 *buf) { int size; int rc; struct file *file; u8 tbuf[BDADDR_STRING_LEN + 1]; char *str; int i; #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) loff_t pos = 0; #endif if (!buf) return -EINVAL; file = filp_open(BDADDR_FILE, O_RDONLY, 0); if (IS_ERR(file)) return -ENOENT; if (!S_ISREG(file_inode(file)->i_mode)) return -EINVAL; size = i_size_read(file_inode(file)); if (size <= 0) return -EINVAL; if (size > BDADDR_STRING_LEN) size = BDADDR_STRING_LEN; memset(tbuf, 0, sizeof(tbuf)); RTKBT_INFO("size = %d", size); #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) rc = kernel_read(file, tbuf, size, &pos); #else rc = kernel_read(file, 0, tbuf, size); #endif fput(file); if (rc != size) { if (rc >= 0) rc = -EIO; goto fail; } if (bachk(tbuf) < 0) { rc = -EINVAL; goto fail; } str = tbuf; for (i = 5; i >= 0; i--) { buf[i] = simple_strtol(str, NULL, 16); str += 3; } return size; fail: return rc; } static u8 *load_config(dev_data *dev_entry, int *length) { patch_info *patch_entry; const char *config_name; const struct firmware *fw; struct usb_device *udev; int result; u8 *buf; u8 *p; u16 config_len; u16 dlen; u8 tmp_buf[32]; int file_sz; struct cfg_list_item *n; struct list_head *pos, *next; u8 chip_type; config_lists_init(); patch_entry = dev_entry->patch_entry; config_name = patch_entry->config_name; udev = dev_entry->udev; chip_type = patch_entry->chip_type; RTKBT_INFO("config filename %s", config_name); result = request_firmware(&fw, config_name, &udev->dev); if (result < 0) return 0; file_sz = fw->size; buf = (u8 *)fw->data; /* Load extra configs */ config_file_proc(EXTRA_CONFIG_FILE); list_for_each_safe(pos, next, &list_extracfgs) { n = list_entry(pos, struct cfg_list_item, list); RTKBT_INFO("extra cfg: ofs %04x, len %u", n->offset, n->len); } /* Load extra bdaddr config */ memset(tmp_buf, 0, sizeof(tmp_buf)); result = request_bdaddr(tmp_buf); if (result > 0) { n = kzalloc(sizeof(*n) + 6, GFP_KERNEL); if (n) { n->offset = get_mac_offset(patch_entry->chip_type); n->len = 6; memcpy(n->data, tmp_buf, 6); list_add_tail(&n->list, &list_extracfgs); } else { RTKBT_WARN("Couldn't alloc mem for bdaddr"); } } else { if (result == -ENOENT) RTKBT_WARN("no bdaddr file %s", BDADDR_FILE); else RTKBT_WARN("invalid customer bdaddr %d", result); } RTKBT_INFO("Origin cfg len %u", (u16)file_sz); util_hexdump((const u8 *)buf, file_sz); result = rtk_parse_config_file(buf, file_sz); if (result < 0) { RTKBT_ERR("Parse config file error"); buf = NULL; goto done; } merge_configs(&list_configs, &list_extracfgs); /* Calculate the config_len */ config_len = 4; /* magic word length */ config_len += 2; /* data length field */ dlen = 0; list_for_each_safe(pos, next, &list_configs) { n = list_entry(pos, struct cfg_list_item, list); switch (n->offset) { case 0x003c: case 0x0030: case 0x0044: if (is_mac(chip_type, n->offset) && n->len == 6) { char s[18]; sprintf(s, "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", n->data[5], n->data[4], n->data[3], n->data[2], n->data[1], n->data[0]); RTKBT_INFO("bdaddr ofs %04x, %s", n->offset, s); } break; default: break; } config_len += (3 + n->len); dlen += (3 + n->len); } buf = kzalloc(config_len, GFP_KERNEL); if (!buf) { RTKBT_ERR("Couldn't alloc buf for configs"); goto done; } /* Save configs to a buffer */ memcpy(buf, cfg_magic, 4); buf[4] = dlen & 0xff; buf[5] = (dlen >> 8) & 0xff; p = buf + 6; list_for_each_safe(pos, next, &list_configs) { n = list_entry(pos, struct cfg_list_item, list); p[0] = n->offset & 0xff; p[1] = (n->offset >> 8) & 0xff; p[2] = n->len; memcpy(p + 3, n->data, n->len); p += (3 + n->len); } RTKBT_INFO("New cfg len %u", config_len); util_hexdump((const u8 *)buf, config_len); *length = config_len; done: config_lists_free(); release_firmware(fw); return buf; } int load_firmware(dev_data * dev_entry, uint8_t ** buff) { const struct firmware *fw; struct usb_device *udev; patch_info *patch_entry; char *fw_name; int fw_len = 0, ret_val = 0, config_len = 0, buf_len = -1; uint8_t *buf = *buff, *config_file_buf = NULL, *epatch_buf = NULL; uint8_t proj_id = 0; uint8_t need_download_fw = 1; uint16_t lmp_version; struct rtk_epatch_entry current_entry = { 0 }; RTKBT_DBG("load_firmware start"); udev = dev_entry->udev; patch_entry = dev_entry->patch_entry; lmp_version = patch_entry->lmp_sub; RTKBT_DBG("lmp_version = 0x%04x", lmp_version); config_file_buf = load_config(dev_entry, &config_len); fw_name = patch_entry->patch_name; RTKBT_ERR("fw name is %s", fw_name); ret_val = request_firmware(&fw, fw_name, &udev->dev); if (ret_val < 0) { fw_len = 0; kfree(config_file_buf); config_file_buf = NULL; goto fw_fail; } epatch_buf = kzalloc(fw->size, GFP_KERNEL); if (NULL == epatch_buf) goto alloc_fail; memcpy(epatch_buf, fw->data, fw->size); buf_len = fw->size + config_len; if (lmp_version == ROM_LMP_8723a) { RTKBT_DBG("This is 8723a, use old patch style!"); if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8) == 0) { RTKBT_ERR("8723a Check signature error!"); need_download_fw = 0; } else { if (!(buf = kzalloc(buf_len, GFP_KERNEL))) { RTKBT_ERR("Can't alloc memory for fw&config"); buf_len = -1; } else { RTKBT_DBG("8723a, fw copy direct"); memcpy(buf, epatch_buf, fw->size); if (config_len) { memcpy(&buf[buf_len - config_len], config_file_buf, config_len); } } } } else { RTKBT_ERR("This is not 8723a, use new patch style!"); /* Get version from ROM */ gEVersion = rtk_get_eversion(dev_entry); RTKBT_DBG("%s: New gEVersion %d", __func__, gEVersion); if (gEVersion == 0xFE) { RTKBT_ERR("%s: Read ROM version failure", __func__); need_download_fw = 0; fw_len = 0; goto alloc_fail; } /* check Signature and Extension Section Field */ if ((memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8) != 0) || memcmp(epatch_buf + buf_len - config_len - 4, Extension_Section_SIGNATURE, 4) != 0) { RTKBT_ERR("Check SIGNATURE error! do not download fw"); need_download_fw = 0; } else { proj_id = rtk_get_fw_project_id(epatch_buf + buf_len - config_len - 5); if (lmp_version != project_id[proj_id]) { RTKBT_ERR ("lmp_version is %x, project_id is %x, does not match!!!", lmp_version, project_id[proj_id]); need_download_fw = 0; } else { RTKBT_DBG ("lmp_version is %x, project_id is %x, match!", lmp_version, project_id[proj_id]); rtk_get_patch_entry(epatch_buf, ¤t_entry); if (current_entry.patch_length == 0) goto fw_fail; buf_len = current_entry.patch_length + config_len; RTKBT_DBG("buf_len = 0x%x", buf_len); if (!(buf = kzalloc(buf_len, GFP_KERNEL))) { RTKBT_ERR ("Can't alloc memory for multi fw&config"); buf_len = -1; } else { memcpy(buf, epatch_buf + current_entry.start_offset, current_entry.patch_length); memcpy(buf + current_entry.patch_length - 4, epatch_buf + 8, 4); /*fw version */ if (config_len) { memcpy(&buf [buf_len - config_len], config_file_buf, config_len); } } } } } RTKBT_DBG("fw:%s exists, config file:%s exists", (buf_len > 0) ? "" : "not", (config_len > 0) ? "" : "not"); if (buf && (buf_len > 0) && (need_download_fw)) { fw_len = buf_len; *buff = buf; } RTKBT_DBG("load_firmware done"); alloc_fail: release_firmware(fw); if (epatch_buf) kfree(epatch_buf); if (config_file_buf) kfree(config_file_buf); fw_fail: return fw_len; } void init_xdata(xchange_data * xdata, dev_data * dev_entry) { memset(xdata, 0, sizeof(xchange_data)); xdata->dev_entry = dev_entry; xdata->pipe_in = usb_rcvintpipe(dev_entry->udev, INTR_EP); xdata->pipe_out = usb_sndctrlpipe(dev_entry->udev, CTRL_EP); xdata->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL); xdata->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL); xdata->cmd_hdr = (struct hci_command_hdr *)(xdata->send_pkt); xdata->evt_hdr = (struct hci_event_hdr *)(xdata->rcv_pkt); xdata->cmd_cmp = (struct hci_ev_cmd_complete *)(xdata->rcv_pkt + EVT_HDR_LEN); xdata->req_para = xdata->send_pkt + CMD_HDR_LEN; xdata->rsp_para = xdata->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN; } int check_fw_version(xchange_data * xdata) { struct hci_rp_read_local_version *read_ver_rsp; patch_info *patch_entry; int ret_val; int retry = 0; /* Ensure that the first cmd is hci reset after system suspend * or system reboot */ send_reset_command(xdata); get_ver: xdata->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION); xdata->cmd_hdr->plen = 0; xdata->pkt_len = CMD_HDR_LEN; ret_val = send_hci_cmd(xdata); if (ret_val < 0) { RTKBT_ERR("%s: Failed to send HCI command.", __func__); goto version_end; } ret_val = rcv_hci_evt(xdata); if (ret_val < 0) { RTKBT_ERR("%s: Failed to receive HCI event.", __func__); goto version_end; } patch_entry = xdata->dev_entry->patch_entry; read_ver_rsp = (struct hci_rp_read_local_version *)(xdata->rsp_para); read_ver_rsp->lmp_subver = le16_to_cpu(read_ver_rsp->lmp_subver); read_ver_rsp->hci_rev = le16_to_cpu(read_ver_rsp->hci_rev); read_ver_rsp->manufacturer = le16_to_cpu(read_ver_rsp->manufacturer); RTKBT_DBG("read_ver_rsp->lmp_subver = 0x%x", read_ver_rsp->lmp_subver); RTKBT_DBG("read_ver_rsp->hci_rev = 0x%x", read_ver_rsp->hci_rev); RTKBT_DBG("patch_entry->lmp_sub = 0x%x", patch_entry->lmp_sub); if (patch_entry->lmp_sub != read_ver_rsp->lmp_subver) { return 1; } ret_val = 0; version_end: if (ret_val) { send_reset_command(xdata); retry++; if (retry < 2) goto get_ver; } return ret_val; } uint8_t rtk_get_eversion(dev_data * dev_entry) { struct rtk_eversion_evt *eversion; patch_info *patch_entry; int ret_val = 0; xchange_data *xdata = NULL; RTKBT_DBG("%s: gEVersion %d", __func__, gEVersion); if (gEVersion != 0xFF && gEVersion != 0xFE) { RTKBT_DBG("gEVersion != 0xFF, return it directly!"); return gEVersion; } xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL); if (NULL == xdata) { ret_val = 0xFE; RTKBT_DBG("NULL == xdata"); return ret_val; } init_xdata(xdata, dev_entry); xdata->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION); xdata->cmd_hdr->plen = 0; xdata->pkt_len = CMD_HDR_LEN; ret_val = send_hci_cmd(xdata); if (ret_val < 0) { RTKBT_ERR("Failed to send read RTK rom version cmd."); ret_val = 0xFE; goto version_end; } ret_val = rcv_hci_evt(xdata); if (ret_val < 0) { RTKBT_ERR("Failed to receive HCI event for rom version."); ret_val = 0xFE; goto version_end; } patch_entry = xdata->dev_entry->patch_entry; eversion = (struct rtk_eversion_evt *)(xdata->rsp_para); RTKBT_DBG("eversion->status = 0x%x, eversion->version = 0x%x", eversion->status, eversion->version); if (eversion->status) { ret_val = 0; //global_eversion = 0; } else { ret_val = eversion->version; //global_eversion = eversion->version; } version_end: if (xdata != NULL) { if (xdata->send_pkt) kfree(xdata->send_pkt); if (xdata->rcv_pkt) kfree(xdata->rcv_pkt); kfree(xdata); } return ret_val; } int download_data(xchange_data * xdata) { download_cp *cmd_para; download_rp *evt_para; uint8_t *pcur; int pkt_len, frag_num, frag_len; int i, ret_val; int j; RTKBT_DBG("download_data start"); cmd_para = (download_cp *) xdata->req_para; evt_para = (download_rp *) xdata->rsp_para; pcur = xdata->fw_data; pkt_len = CMD_HDR_LEN + sizeof(download_cp); frag_num = xdata->fw_len / PATCH_SEG_MAX + 1; frag_len = PATCH_SEG_MAX; for (i = 0; i < frag_num; i++) { if (i > 0x7f) j = (i & 0x7f) + 1; else j = i; cmd_para->index = j; if (i == (frag_num - 1)) { cmd_para->index |= DATA_END; frag_len = xdata->fw_len % PATCH_SEG_MAX; pkt_len -= (PATCH_SEG_MAX - frag_len); } xdata->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE); xdata->cmd_hdr->plen = sizeof(uint8_t) + frag_len; xdata->pkt_len = pkt_len; memcpy(cmd_para->data, pcur, frag_len); ret_val = send_hci_cmd(xdata); if (ret_val < 0) { return ret_val; } ret_val = rcv_hci_evt(xdata); if (ret_val < 0) { return ret_val; } if (0 != evt_para->status) { return -1; } pcur += PATCH_SEG_MAX; } RTKBT_DBG("download_data done"); return xdata->fw_len; } int send_hci_cmd(xchange_data * xdata) { int ret_val; ret_val = usb_control_msg(xdata->dev_entry->udev, xdata->pipe_out, 0, USB_TYPE_CLASS, 0, 0, (void *)(xdata->send_pkt), xdata->pkt_len, MSG_TO); if (ret_val < 0) RTKBT_ERR("%s; failed to send ctl msg for hci cmd, err %d", __func__, ret_val); return ret_val; } int rcv_hci_evt(xchange_data * xdata) { int ret_len = 0, ret_val = 0; int i; // Added by Realtek while (1) { // **************************** Modifed by Realtek (begin) for (i = 0; i < 5; i++) // Try to send USB interrupt message 5 times. { ret_val = usb_interrupt_msg(xdata->dev_entry->udev, xdata->pipe_in, (void *)(xdata->rcv_pkt), PKT_LEN, &ret_len, MSG_TO); if (ret_val >= 0) break; } // **************************** Modifed by Realtek (end) if (ret_val < 0) { RTKBT_ERR("%s; no usb intr msg for hci event, err %d", __func__, ret_val); return ret_val; } if (CMD_CMP_EVT == xdata->evt_hdr->evt) { if (xdata->cmd_hdr->opcode == xdata->cmd_cmp->opcode) return ret_len; } } } void print_acl(struct sk_buff *skb, int dataOut) { #if PRINT_ACL_DATA uint wlength = skb->len; uint icount = 0; u16 *handle = (u16 *) (skb->data); u16 dataLen = *(handle + 1); u8 *acl_data = (u8 *) (skb->data); //if (0==dataOut) printk("%d handle:%04x,len:%d,", dataOut, *handle, dataLen); //else // printk("In handle:%04x,len:%d,",*handle,dataLen); /* for(icount=4;(icountlen; uint icount = 0; u16 *opcode = (u16 *) (skb->data); u8 *cmd_data = (u8 *) (skb->data); u8 paramLen = *(cmd_data + 2); switch (*opcode) { case HCI_OP_INQUIRY: printk("HCI_OP_INQUIRY"); break; case HCI_OP_INQUIRY_CANCEL: printk("HCI_OP_INQUIRY_CANCEL"); break; case HCI_OP_EXIT_PERIODIC_INQ: printk("HCI_OP_EXIT_PERIODIC_INQ"); break; case HCI_OP_CREATE_CONN: printk("HCI_OP_CREATE_CONN"); break; case HCI_OP_DISCONNECT: printk("HCI_OP_DISCONNECT"); break; case HCI_OP_CREATE_CONN_CANCEL: printk("HCI_OP_CREATE_CONN_CANCEL"); break; case HCI_OP_ACCEPT_CONN_REQ: printk("HCI_OP_ACCEPT_CONN_REQ"); break; case HCI_OP_REJECT_CONN_REQ: printk("HCI_OP_REJECT_CONN_REQ"); break; case HCI_OP_AUTH_REQUESTED: printk("HCI_OP_AUTH_REQUESTED"); break; case HCI_OP_SET_CONN_ENCRYPT: printk("HCI_OP_SET_CONN_ENCRYPT"); break; case HCI_OP_REMOTE_NAME_REQ: printk("HCI_OP_REMOTE_NAME_REQ"); break; case HCI_OP_READ_REMOTE_FEATURES: printk("HCI_OP_READ_REMOTE_FEATURES"); break; case HCI_OP_SNIFF_MODE: printk("HCI_OP_SNIFF_MODE"); break; case HCI_OP_EXIT_SNIFF_MODE: printk("HCI_OP_EXIT_SNIFF_MODE"); break; case HCI_OP_SWITCH_ROLE: printk("HCI_OP_SWITCH_ROLE"); break; case HCI_OP_SNIFF_SUBRATE: printk("HCI_OP_SNIFF_SUBRATE"); break; case HCI_OP_RESET: printk("HCI_OP_RESET"); break; default: printk("CMD"); break; } printk(":%04x,len:%d,", *opcode, paramLen); for (icount = 3; (icount < wlength) && (icount < 24); icount++) { printk("%02x ", *(cmd_data + icount)); } printk("\n"); #endif } void print_event(struct sk_buff *skb) { #if PRINT_CMD_EVENT uint wlength = skb->len; uint icount = 0; u8 *opcode = (u8 *) (skb->data); u8 paramLen = *(opcode + 1); switch (*opcode) { case HCI_EV_INQUIRY_COMPLETE: printk("HCI_EV_INQUIRY_COMPLETE"); break; case HCI_EV_INQUIRY_RESULT: printk("HCI_EV_INQUIRY_RESULT"); break; case HCI_EV_CONN_COMPLETE: printk("HCI_EV_CONN_COMPLETE"); break; case HCI_EV_CONN_REQUEST: printk("HCI_EV_CONN_REQUEST"); break; case HCI_EV_DISCONN_COMPLETE: printk("HCI_EV_DISCONN_COMPLETE"); break; case HCI_EV_AUTH_COMPLETE: printk("HCI_EV_AUTH_COMPLETE"); break; case HCI_EV_REMOTE_NAME: printk("HCI_EV_REMOTE_NAME"); break; case HCI_EV_ENCRYPT_CHANGE: printk("HCI_EV_ENCRYPT_CHANGE"); break; case HCI_EV_CHANGE_LINK_KEY_COMPLETE: printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE"); break; case HCI_EV_REMOTE_FEATURES: printk("HCI_EV_REMOTE_FEATURES"); break; case HCI_EV_REMOTE_VERSION: printk("HCI_EV_REMOTE_VERSION"); break; case HCI_EV_QOS_SETUP_COMPLETE: printk("HCI_EV_QOS_SETUP_COMPLETE"); break; case HCI_EV_CMD_COMPLETE: printk("HCI_EV_CMD_COMPLETE"); break; case HCI_EV_CMD_STATUS: printk("HCI_EV_CMD_STATUS"); break; case HCI_EV_ROLE_CHANGE: printk("HCI_EV_ROLE_CHANGE"); break; case HCI_EV_NUM_COMP_PKTS: printk("HCI_EV_NUM_COMP_PKTS"); break; case HCI_EV_MODE_CHANGE: printk("HCI_EV_MODE_CHANGE"); break; case HCI_EV_PIN_CODE_REQ: printk("HCI_EV_PIN_CODE_REQ"); break; case HCI_EV_LINK_KEY_REQ: printk("HCI_EV_LINK_KEY_REQ"); break; case HCI_EV_LINK_KEY_NOTIFY: printk("HCI_EV_LINK_KEY_NOTIFY"); break; case HCI_EV_CLOCK_OFFSET: printk("HCI_EV_CLOCK_OFFSET"); break; case HCI_EV_PKT_TYPE_CHANGE: printk("HCI_EV_PKT_TYPE_CHANGE"); break; case HCI_EV_PSCAN_REP_MODE: printk("HCI_EV_PSCAN_REP_MODE"); break; case HCI_EV_INQUIRY_RESULT_WITH_RSSI: printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI"); break; case HCI_EV_REMOTE_EXT_FEATURES: printk("HCI_EV_REMOTE_EXT_FEATURES"); break; case HCI_EV_SYNC_CONN_COMPLETE: printk("HCI_EV_SYNC_CONN_COMPLETE"); break; case HCI_EV_SYNC_CONN_CHANGED: printk("HCI_EV_SYNC_CONN_CHANGED"); break; case HCI_EV_SNIFF_SUBRATE: printk("HCI_EV_SNIFF_SUBRATE"); break; case HCI_EV_EXTENDED_INQUIRY_RESULT: printk("HCI_EV_EXTENDED_INQUIRY_RESULT"); break; case HCI_EV_IO_CAPA_REQUEST: printk("HCI_EV_IO_CAPA_REQUEST"); break; case HCI_EV_SIMPLE_PAIR_COMPLETE: printk("HCI_EV_SIMPLE_PAIR_COMPLETE"); break; case HCI_EV_REMOTE_HOST_FEATURES: printk("HCI_EV_REMOTE_HOST_FEATURES"); break; default: printk("event"); break; } printk(":%02x,len:%d,", *opcode, paramLen); for (icount = 2; (icount < wlength) && (icount < 24); icount++) { printk("%02x ", *(opcode + icount)); } printk("\n"); #endif }