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_NUM                255
  28
  29 enum {
  30         BTMTK_WMT_PATCH_DWNLD = 0x1,
  31         BTMTK_WMT_TEST = 0x2,
  32         BTMTK_WMT_WAKEUP = 0x3,
  33         BTMTK_WMT_HIF = 0x4,
  34         BTMTK_WMT_FUNC_CTRL = 0x6,
  35         BTMTK_WMT_RST = 0x7,
  36         BTMTK_WMT_REGISTER = 0x8,
  37         BTMTK_WMT_SEMAPHORE = 0x17,
  38 };
  39
  40 enum {
  41         BTMTK_WMT_INVALID,
  42         BTMTK_WMT_PATCH_UNDONE,
  43         BTMTK_WMT_PATCH_PROGRESS,
  44         BTMTK_WMT_PATCH_DONE,
  45         BTMTK_WMT_ON_UNDONE,
  46         BTMTK_WMT_ON_DONE,
  47         BTMTK_WMT_ON_PROGRESS,
  48 };
  49
  50 struct btmtk_wmt_hdr {
  51         u8      dir;
  52         u8      op;
  53         __le16  dlen;
  54         u8      flag;
  55 } __packed;
  56
  57 struct btmtk_hci_wmt_cmd {
  58         struct btmtk_wmt_hdr hdr;
  59         u8 data[];
  60 } __packed;
  61
  62 struct btmtk_hci_wmt_evt {
  63         struct hci_event_hdr hhdr;
  64         struct btmtk_wmt_hdr whdr;
  65 } __packed;
  66
  67 struct btmtk_hci_wmt_evt_funcc {
  68         struct btmtk_hci_wmt_evt hwhdr;
  69         __be16 status;
  70 } __packed;
  71
  72 struct btmtk_hci_wmt_evt_reg {
  73         struct btmtk_hci_wmt_evt hwhdr;
  74         u8 rsv[2];
  75         u8 num;
  76         __le32 addr;
  77         __le32 val;
  78 } __packed;
  79
  80 struct btmtk_tci_sleep {
  81         u8 mode;
  82         __le16 duration;
  83         __le16 host_duration;
  84         u8 host_wakeup_pin;
  85         u8 time_compensation;
  86 } __packed;
  87
  88 struct btmtk_wakeon {
  89         u8 mode;
  90         u8 gpo;
  91         u8 active_high;
  92         __le16 enable_delay;
  93         __le16 wakeup_delay;
  94 } __packed;
  95
  96 struct btmtk_sco {
  97         u8 clock_config;
  98         u8 transmit_format_config;
  99         u8 channel_format_config;
 100         u8 channel_select_config;
 101 } __packed;
 102
 103 struct reg_read_cmd {
 104         u8 type;
 105         u8 rsv;
 106         u8 num;
 107         __le32 addr;
 108 } __packed;
 109
 110 struct reg_write_cmd {
 111         u8 type;
 112         u8 rsv;
 113         u8 num;
 114         __le32 addr;
 115         __le32 data;
 116         __le32 mask;
 117 } __packed;
 118
 119 struct btmtk_hci_wmt_params {
 120         u8 op;
 121         u8 flag;
 122         u16 dlen;
 123         const void *data;
 124         u32 *status;
 125 };
 126
 127 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
 128
 129 struct btmtk_coredump_info {
 130         const char *driver_name;
 131         u32 fw_version;
 132         u16 cnt;
 133         int state;
 134 };
 135
 136 struct btmediatek_data {
 137         u32 dev_id;
 138         btmtk_reset_sync_func_t reset_sync;
 139         struct btmtk_coredump_info cd_info;
 140 };
 141
 142 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
 143                                    struct btmtk_hci_wmt_params *);
 144
 145 #if IS_ENABLED(CONFIG_BT_MTK)
 146
 147 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 148
 149 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
 150                               wmt_cmd_sync_func_t wmt_cmd_sync);
 151
 152 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 153                          wmt_cmd_sync_func_t wmt_cmd_sync);
 154
 155 void btmtk_reset_sync(struct hci_dev *hdev);
 156
 157 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
 158                             u32 fw_version);
 159
 160 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
 161 #else
 162
 163 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
 164                                    const bdaddr_t *bdaddr)
 165 {
 166         return -EOPNOTSUPP;
 167 }
 168
 169 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
 170                                      wmt_cmd_sync_func_t wmt_cmd_sync)
 171 {
 172         return -EOPNOTSUPP;
 173 }
 174
 175 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 176                                 wmt_cmd_sync_func_t wmt_cmd_sync)
 177 {
 178         return -EOPNOTSUPP;
 179 }
 180
 181 static void btmtk_reset_sync(struct hci_dev *hdev)
 182 {
 183 }
 184
 185 static int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
 186                                    u32 fw_version)
 187 {
 188         return -EOPNOTSUPP;
 189 }
 190
 191 static int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb)
 192 {
 193         return -EOPNOTSUPP;
 194 }
 195 #endif