drivers/bluetooth/btmtk.h

   1 /* SPDX-License-Identifier: ISC */
   2 /* Copyright (C) 2021 MediaTek Inc. */
   3
   4 #define FIRMWARE_MT7622         "mediatek/mt7622pr2h.bin"
   5 #define FIRMWARE_MT7663         "mediatek/mt7663pr2h.bin"
   6 #define FIRMWARE_MT7668         "mediatek/mt7668pr2h.bin"
   7 #define FIRMWARE_MT7961         "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
   8 #define FIRMWARE_MT7925         "mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
   9
  10 #define HCI_EV_WMT 0xe4
  11 #define HCI_WMT_MAX_EVENT_SIZE          64
  12
  13 #define BTMTK_WMT_REG_WRITE 0x1
  14 #define BTMTK_WMT_REG_READ 0x2
  15
  16 #define MT7921_BTSYS_RST 0x70002610
  17 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
  18
  19 #define MT7921_PINMUX_0 0x70005050
  20 #define MT7921_PINMUX_1 0x70005054
  21
  22 #define MT7921_DLSTATUS 0x7c053c10
  23 #define BT_DL_STATE BIT(1)
  24
  25 #define MTK_COREDUMP_SIZE               (1024 * 1000)
  26 #define MTK_COREDUMP_END                "coredump end"
  27 #define MTK_COREDUMP_END_LEN            (sizeof(MTK_COREDUMP_END))
  28 #define MTK_COREDUMP_NUM                255
  29
  30 enum {
  31         BTMTK_WMT_PATCH_DWNLD = 0x1,
  32         BTMTK_WMT_TEST = 0x2,
  33         BTMTK_WMT_WAKEUP = 0x3,
  34         BTMTK_WMT_HIF = 0x4,
  35         BTMTK_WMT_FUNC_CTRL = 0x6,
  36         BTMTK_WMT_RST = 0x7,
  37         BTMTK_WMT_REGISTER = 0x8,
  38         BTMTK_WMT_SEMAPHORE = 0x17,
  39 };
  40
  41 enum {
  42         BTMTK_WMT_INVALID,
  43         BTMTK_WMT_PATCH_UNDONE,
  44         BTMTK_WMT_PATCH_PROGRESS,
  45         BTMTK_WMT_PATCH_DONE,
  46         BTMTK_WMT_ON_UNDONE,
  47         BTMTK_WMT_ON_DONE,
  48         BTMTK_WMT_ON_PROGRESS,
  49 };
  50
  51 struct btmtk_wmt_hdr {
  52         u8      dir;
  53         u8      op;
  54         __le16  dlen;
  55         u8      flag;
  56 } __packed;
  57
  58 struct btmtk_hci_wmt_cmd {
  59         struct btmtk_wmt_hdr hdr;
  60         u8 data[];
  61 } __packed;
  62
  63 struct btmtk_hci_wmt_evt {
  64         struct hci_event_hdr hhdr;
  65         struct btmtk_wmt_hdr whdr;
  66 } __packed;
  67
  68 struct btmtk_hci_wmt_evt_funcc {
  69         struct btmtk_hci_wmt_evt hwhdr;
  70         __be16 status;
  71 } __packed;
  72
  73 struct btmtk_hci_wmt_evt_reg {
  74         struct btmtk_hci_wmt_evt hwhdr;
  75         u8 rsv[2];
  76         u8 num;
  77         __le32 addr;
  78         __le32 val;
  79 } __packed;
  80
  81 struct btmtk_tci_sleep {
  82         u8 mode;
  83         __le16 duration;
  84         __le16 host_duration;
  85         u8 host_wakeup_pin;
  86         u8 time_compensation;
  87 } __packed;
  88
  89 struct btmtk_wakeon {
  90         u8 mode;
  91         u8 gpo;
  92         u8 active_high;
  93         __le16 enable_delay;
  94         __le16 wakeup_delay;
  95 } __packed;
  96
  97 struct btmtk_sco {
  98         u8 clock_config;
  99         u8 transmit_format_config;
 100         u8 channel_format_config;
 101         u8 channel_select_config;
 102 } __packed;
 103
 104 struct reg_read_cmd {
 105         u8 type;
 106         u8 rsv;
 107         u8 num;
 108         __le32 addr;
 109 } __packed;
 110
 111 struct reg_write_cmd {
 112         u8 type;
 113         u8 rsv;
 114         u8 num;
 115         __le32 addr;
 116         __le32 data;
 117         __le32 mask;
 118 } __packed;
 119
 120 struct btmtk_hci_wmt_params {
 121         u8 op;
 122         u8 flag;
 123         u16 dlen;
 124         const void *data;
 125         u32 *status;
 126 };
 127
 128 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
 129
 130 struct btmtk_coredump_info {
 131         const char *driver_name;
 132         u32 fw_version;
 133         u16 cnt;
 134         int state;
 135 };
 136
 137 struct btmediatek_data {
 138         u32 dev_id;
 139         btmtk_reset_sync_func_t reset_sync;
 140         struct btmtk_coredump_info cd_info;
 141 };
 142
 143 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
 144                                    struct btmtk_hci_wmt_params *);
 145
 146 #if IS_ENABLED(CONFIG_BT_MTK)
 147
 148 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 149
 150 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
 151                               wmt_cmd_sync_func_t wmt_cmd_sync);
 152
 153 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 154                          wmt_cmd_sync_func_t wmt_cmd_sync);
 155
 156 void btmtk_reset_sync(struct hci_dev *hdev);
 157
 158 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
 159                             u32 fw_version);
 160
 161 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
 162 #else
 163
 164 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
 165                                    const bdaddr_t *bdaddr)
 166 {
 167         return -EOPNOTSUPP;
 168 }
 169
 170 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
 171                                      wmt_cmd_sync_func_t wmt_cmd_sync)
 172 {
 173         return -EOPNOTSUPP;
 174 }
 175
 176 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 177                                 wmt_cmd_sync_func_t wmt_cmd_sync)
 178 {
 179         return -EOPNOTSUPP;
 180 }
 181
 182 static void btmtk_reset_sync(struct hci_dev *hdev)
 183 {
 184 }
 185
 186 static int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
 187                                    u32 fw_version)
 188 {
 189         return -EOPNOTSUPP;
 190 }
 191
 192 static int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb)
 193 {
 194         return -EOPNOTSUPP;
 195 }
 196 #endif