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_MT7922         "mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin"
   8 #define FIRMWARE_MT7961         "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
   9 #define FIRMWARE_MT7925         "mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
  10
  11 #define HCI_EV_WMT 0xe4
  12 #define HCI_WMT_MAX_EVENT_SIZE          64
  13
  14 #define BTMTK_WMT_REG_WRITE 0x1
  15 #define BTMTK_WMT_REG_READ 0x2
  16
  17 #define MT7921_BTSYS_RST 0x70002610
  18 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
  19
  20 #define MT7921_PINMUX_0 0x70005050
  21 #define MT7921_PINMUX_1 0x70005054
  22
  23 #define MT7921_DLSTATUS 0x7c053c10
  24 #define BT_DL_STATE BIT(1)
  25
  26 #define MTK_COREDUMP_SIZE               (1024 * 1000)
  27 #define MTK_COREDUMP_END                "coredump end"
  28 #define MTK_COREDUMP_END_LEN            (sizeof(MTK_COREDUMP_END))
  29 #define MTK_COREDUMP_NUM                255
  30
  31 /* UHW CR mapping */
  32 #define MTK_BT_MISC             0x70002510
  33 #define MTK_BT_SUBSYS_RST       0x70002610
  34 #define MTK_UDMA_INT_STA_BT     0x74000024
  35 #define MTK_UDMA_INT_STA_BT1    0x74000308
  36 #define MTK_BT_WDT_STATUS       0x740003A0
  37 #define MTK_EP_RST_OPT          0x74011890
  38 #define MTK_EP_RST_IN_OUT_OPT   0x00010001
  39 #define MTK_BT_RST_DONE         0x00000100
  40 #define MTK_BT_RESET_REG_CONNV3 0x70028610
  41 #define MTK_BT_READ_DEV_ID      0x70010200
  42
  43 /* MediaTek ISO Interface */
  44 #define MTK_ISO_IFNUM           2
  45
  46 enum {
  47         BTMTK_WMT_PATCH_DWNLD = 0x1,
  48         BTMTK_WMT_TEST = 0x2,
  49         BTMTK_WMT_WAKEUP = 0x3,
  50         BTMTK_WMT_HIF = 0x4,
  51         BTMTK_WMT_FUNC_CTRL = 0x6,
  52         BTMTK_WMT_RST = 0x7,
  53         BTMTK_WMT_REGISTER = 0x8,
  54         BTMTK_WMT_SEMAPHORE = 0x17,
  55 };
  56
  57 enum {
  58         BTMTK_WMT_INVALID,
  59         BTMTK_WMT_PATCH_UNDONE,
  60         BTMTK_WMT_PATCH_PROGRESS,
  61         BTMTK_WMT_PATCH_DONE,
  62         BTMTK_WMT_ON_UNDONE,
  63         BTMTK_WMT_ON_DONE,
  64         BTMTK_WMT_ON_PROGRESS,
  65 };
  66
  67 struct btmtk_wmt_hdr {
  68         u8      dir;
  69         u8      op;
  70         __le16  dlen;
  71         u8      flag;
  72 } __packed;
  73
  74 struct btmtk_hci_wmt_cmd {
  75         struct btmtk_wmt_hdr hdr;
  76         u8 data[];
  77 } __packed;
  78
  79 struct btmtk_hci_wmt_evt {
  80         struct hci_event_hdr hhdr;
  81         struct btmtk_wmt_hdr whdr;
  82 } __packed;
  83
  84 struct btmtk_hci_wmt_evt_funcc {
  85         struct btmtk_hci_wmt_evt hwhdr;
  86         __be16 status;
  87 } __packed;
  88
  89 struct btmtk_hci_wmt_evt_reg {
  90         struct btmtk_hci_wmt_evt hwhdr;
  91         u8 rsv[2];
  92         u8 num;
  93         __le32 addr;
  94         __le32 val;
  95 } __packed;
  96
  97 struct btmtk_tci_sleep {
  98         u8 mode;
  99         __le16 duration;
 100         __le16 host_duration;
 101         u8 host_wakeup_pin;
 102         u8 time_compensation;
 103 } __packed;
 104
 105 struct btmtk_wakeon {
 106         u8 mode;
 107         u8 gpo;
 108         u8 active_high;
 109         __le16 enable_delay;
 110         __le16 wakeup_delay;
 111 } __packed;
 112
 113 struct btmtk_sco {
 114         u8 clock_config;
 115         u8 transmit_format_config;
 116         u8 channel_format_config;
 117         u8 channel_select_config;
 118 } __packed;
 119
 120 struct reg_read_cmd {
 121         u8 type;
 122         u8 rsv;
 123         u8 num;
 124         __le32 addr;
 125 } __packed;
 126
 127 struct reg_write_cmd {
 128         u8 type;
 129         u8 rsv;
 130         u8 num;
 131         __le32 addr;
 132         __le32 data;
 133         __le32 mask;
 134 } __packed;
 135
 136 struct btmtk_hci_wmt_params {
 137         u8 op;
 138         u8 flag;
 139         u16 dlen;
 140         const void *data;
 141         u32 *status;
 142 };
 143
 144 enum {
 145         BTMTK_TX_WAIT_VND_EVT,
 146         BTMTK_FIRMWARE_LOADED,
 147         BTMTK_HW_RESET_ACTIVE,
 148         BTMTK_ISOPKT_OVER_INTR,
 149         BTMTK_ISOPKT_RUNNING,
 150 };
 151
 152 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
 153
 154 struct btmtk_coredump_info {
 155         const char *driver_name;
 156         u32 fw_version;
 157         u16 cnt;
 158         int state;
 159 };
 160
 161 struct btmtk_data {
 162         const char *drv_name;
 163         unsigned long flags;
 164         u32 dev_id;
 165         btmtk_reset_sync_func_t reset_sync;
 166         struct btmtk_coredump_info cd_info;
 167
 168         struct usb_device *udev;
 169         struct usb_interface *intf;
 170         struct usb_anchor *ctrl_anchor;
 171         struct sk_buff *evt_skb;
 172         struct usb_endpoint_descriptor *isopkt_tx_ep;
 173         struct usb_endpoint_descriptor *isopkt_rx_ep;
 174         struct usb_interface *isopkt_intf;
 175         struct usb_anchor isopkt_anchor;
 176         struct sk_buff *isopkt_skb;
 177
 178         /* spinlock for ISO data transmission */
 179         spinlock_t isorxlock;
 180 };
 181
 182 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
 183                                    struct btmtk_hci_wmt_params *);
 184
 185 #if IS_ENABLED(CONFIG_BT_MTK)
 186
 187 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 188
 189 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
 190                               wmt_cmd_sync_func_t wmt_cmd_sync);
 191
 192 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 193                          wmt_cmd_sync_func_t wmt_cmd_sync);
 194
 195 void btmtk_reset_sync(struct hci_dev *hdev);
 196
 197 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
 198                             u32 fw_version);
 199
 200 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
 201
 202 void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
 203                            u32 fw_flavor);
 204
 205 int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
 206
 207 int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
 208
 209 struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
 210                                usb_complete_t tx_complete);
 211
 212 int btmtk_usb_resume(struct hci_dev *hdev);
 213
 214 int btmtk_usb_suspend(struct hci_dev *hdev);
 215
 216 int btmtk_usb_setup(struct hci_dev *hdev);
 217
 218 int btmtk_usb_shutdown(struct hci_dev *hdev);
 219 #else
 220
 221 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
 222                                    const bdaddr_t *bdaddr)
 223 {
 224         return -EOPNOTSUPP;
 225 }
 226
 227 static inline int btmtk_setup_firmware_79xx(struct hci_dev *hdev,
 228                                             const char *fwname,
 229                                             wmt_cmd_sync_func_t wmt_cmd_sync)
 230 {
 231         return -EOPNOTSUPP;
 232 }
 233
 234 static inline int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
 235                                        wmt_cmd_sync_func_t wmt_cmd_sync)
 236 {
 237         return -EOPNOTSUPP;
 238 }
 239
 240 static inline void btmtk_reset_sync(struct hci_dev *hdev)
 241 {
 242 }
 243
 244 static inline int btmtk_register_coredump(struct hci_dev *hdev,
 245                                           const char *name, u32 fw_version)
 246 {
 247         return -EOPNOTSUPP;
 248 }
 249
 250 static inline int btmtk_process_coredump(struct hci_dev *hdev,
 251                                          struct sk_buff *skb)
 252 {
 253         return -EOPNOTSUPP;
 254 }
 255
 256 static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
 257                                          u32 fw_ver, u32 fw_flavor)
 258 {
 259 }
 260
 261 static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
 262 {
 263         return -EOPNOTSUPP;
 264 }
 265
 266 static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
 267 {
 268         return -EOPNOTSUPP;
 269 }
 270
 271 static inline struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev,
 272                                              struct sk_buff *skb,
 273                                              usb_complete_t tx_complete)
 274 {
 275         return ERR_PTR(-EOPNOTSUPP);
 276 }
 277
 278 static inline int btmtk_usb_resume(struct hci_dev *hdev)
 279 {
 280         return -EOPNOTSUPP;
 281 }
 282
 283 static inline int btmtk_usb_suspend(struct hci_dev *hdev)
 284 {
 285         return -EOPNOTSUPP;
 286 }
 287
 288 static inline int btmtk_usb_setup(struct hci_dev *hdev)
 289 {
 290         return -EOPNOTSUPP;
 291 }
 292
 293 static inline int btmtk_usb_shutdown(struct hci_dev *hdev)
 294 {
 295         return -EOPNOTSUPP;
 296 }
 297 #endif