diff options
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index fd33a3193b50..eeafb8432c0f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3128,6 +3128,12 @@ static int btusb_shutdown_intel_new(struct hci_dev *hdev) #define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" #define HCI_WMT_MAX_EVENT_SIZE 64 +/* It is for mt79xx download rom patch*/ +#define MTK_FW_ROM_PATCH_HEADER_SIZE 32 +#define MTK_FW_ROM_PATCH_GD_SIZE 64 +#define MTK_FW_ROM_PATCH_SEC_MAP_SIZE 64 +#define MTK_SEC_MAP_COMMON_SIZE 12 +#define MTK_SEC_MAP_NEED_SEND_SIZE 52 enum { BTMTK_WMT_PATCH_DWNLD = 0x1, @@ -3184,6 +3190,40 @@ struct btmtk_hci_wmt_params { u32 *status; }; +struct btmtk_patch_header { + u8 datetime[16]; + u8 platform[4]; + __le16 hwver; + __le16 swver; + __le32 magicnum; +} __packed; + +struct btmtk_global_desc { + __le32 patch_ver; + __le32 sub_sys; + __le32 feature_opt; + __le32 section_num; +} __packed; + +struct btmtk_section_map { + __le32 sectype; + __le32 secoffset; + __le32 secsize; + union { + __le32 u4SecSpec[13]; + struct { + __le32 dlAddr; + __le32 dlsize; + __le32 seckeyidx; + __le32 alignlen; + __le32 sectype; + __le32 dlmodecrctype; + __le32 crc; + __le32 reserved[6]; + } bin_info_spec; + }; +} __packed; + static void btusb_mtk_wmt_recv(struct urb *urb) { struct hci_dev *hdev = urb->context; @@ -3407,6 +3447,14 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, else status = BTMTK_WMT_ON_UNDONE; break; + case BTMTK_WMT_PATCH_DWNLD: + if (wmt_evt->whdr.flag == 2) + status = BTMTK_WMT_PATCH_DONE; + else if (wmt_evt->whdr.flag == 1) + status = BTMTK_WMT_PATCH_PROGRESS; + else + status = BTMTK_WMT_PATCH_UNDONE; + break; } if (wmt_params->status) @@ -3419,6 +3467,122 @@ err_free_skb: return err; } +static int btusb_mtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname) +{ + struct btmtk_hci_wmt_params wmt_params; + struct btmtk_patch_header *patchhdr = NULL; + struct btmtk_global_desc *globaldesc = NULL; + struct btmtk_section_map *sectionmap; + const struct firmware *fw; + const u8 *fw_ptr; + const u8 *fw_bin_ptr; + size_t fw_size; + int err, dlen, i, status; + u8 flag, first_block, retry; + u32 section_num, dl_size, section_offset; + u8 cmd[64]; + + err = request_firmware(&fw, fwname, &hdev->dev); + if (err < 0) { + bt_dev_err(hdev, "Failed to load firmware file (%d)", err); + return err; + } + + fw_ptr = fw->data; + fw_bin_ptr = fw_ptr; + fw_size = fw->size; + patchhdr = (struct btmtk_patch_header *)fw_ptr; + globaldesc = (struct btmtk_global_desc *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE); + section_num = globaldesc->section_num; + + for (i = 0; i < section_num; i++) { + first_block = 1; + fw_ptr = fw_bin_ptr; + sectionmap = (struct btmtk_section_map *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE + + MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i); + + section_offset = sectionmap->secoffset; + dl_size = sectionmap->bin_info_spec.dlsize; + + if (dl_size > 0) { + retry = 20; + while (retry > 0) { + cmd[0] = 0; /* 0 means legacy dl mode. */ + memcpy(cmd + 1, + fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE + + MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i + + MTK_SEC_MAP_COMMON_SIZE, + MTK_SEC_MAP_NEED_SEND_SIZE + 1); + + wmt_params.op = BTMTK_WMT_PATCH_DWNLD; + wmt_params.status = &status; + wmt_params.flag = 0; + wmt_params.dlen = MTK_SEC_MAP_NEED_SEND_SIZE + 1; + wmt_params.data = &cmd; + + err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); + if (err < 0) { + bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", + err); + goto err_release_fw; + } + + if (status == BTMTK_WMT_PATCH_UNDONE) { + break; + } else if (status == BTMTK_WMT_PATCH_PROGRESS) { + msleep(100); + retry--; + } else if (status == BTMTK_WMT_PATCH_DONE) { + goto next_section; + } else { + bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)", + status); + goto err_release_fw; + } + } + + fw_ptr += section_offset; + wmt_params.op = BTMTK_WMT_PATCH_DWNLD; + wmt_params.status = NULL; + + while (dl_size > 0) { + dlen = min_t(int, 250, dl_size); + if (first_block == 1) { + flag = 1; + first_block = 0; + } else if (dl_size - dlen <= 0) { + flag = 3; + } else { + flag = 2; + } + + wmt_params.flag = flag; + wmt_params.dlen = dlen; + wmt_params.data = fw_ptr; + + err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); + if (err < 0) { + bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", + err); + goto err_release_fw; + } + + dl_size -= dlen; + fw_ptr += dlen; + } + } +next_section: + continue; + } + /* Wait a few moments for firmware activation done */ + usleep_range(100000, 120000); + +err_release_fw: + release_firmware(fw); + + return err; +} + static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) { struct btmtk_hci_wmt_params wmt_params; @@ -3573,6 +3737,8 @@ static int btusb_mtk_setup(struct hci_dev *hdev) const char *fwname; int err, status; u32 dev_id; + char fw_bin_name[64]; + u32 fw_version; u8 param; calltime = ktime_get(); @@ -3583,6 +3749,19 @@ static int btusb_mtk_setup(struct hci_dev *hdev) return err; } + if (!dev_id) { + err = btusb_mtk_id_get(data, 0x70010200, &dev_id); + if (err < 0) { + bt_dev_err(hdev, "Failed to get device id (%d)", err); + return err; + } + err = btusb_mtk_id_get(data, 0x80021004, &fw_version); + if (err < 0) { + bt_dev_err(hdev, "Failed to get fw version (%d)", err); + return err; + } + } + switch (dev_id) { case 0x7663: fwname = FIRMWARE_MT7663; @@ -3590,6 +3769,26 @@ static int btusb_mtk_setup(struct hci_dev *hdev) case 0x7668: fwname = FIRMWARE_MT7668; break; + case 0x7961: + snprintf(fw_bin_name, sizeof(fw_bin_name), + "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", + dev_id & 0xffff, (fw_version & 0xff) + 1); + err = btusb_mtk_setup_firmware_79xx(hdev, fw_bin_name); + + /* Enable Bluetooth protocol */ + param = 1; + wmt_params.op = BTMTK_WMT_FUNC_CTRL; + wmt_params.flag = 0; + wmt_params.dlen = sizeof(param); + wmt_params.data = ¶m; + wmt_params.status = NULL; + + err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); + if (err < 0) { + bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); + return err; + } + goto done; default: bt_dev_err(hdev, "Unsupported support hardware variant (%08x)", dev_id); @@ -3667,6 +3866,7 @@ ignore_func_on: } kfree_skb(skb); +done: rettime = ktime_get(); delta = ktime_sub(rettime, calltime); duration = (unsigned long long)ktime_to_ns(delta) >> 10; |