drivers/bluetooth/btqca.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  Bluetooth supports for Qualcomm Atheros ROME chips
   4  *
   5  *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
   6  */
   7
   8 #define EDL_PATCH_CMD_OPCODE            (0xFC00)
   9 #define EDL_NVM_ACCESS_OPCODE           (0xFC0B)
  10 #define EDL_WRITE_BD_ADDR_OPCODE        (0xFC14)
  11 #define EDL_PATCH_CMD_LEN               (1)
  12 #define EDL_PATCH_VER_REQ_CMD           (0x19)
  13 #define EDL_PATCH_TLV_REQ_CMD           (0x1E)
  14 #define EDL_GET_BUILD_INFO_CMD          (0x20)
  15 #define EDL_NVM_ACCESS_SET_REQ_CMD      (0x01)
  16 #define MAX_SIZE_PER_TLV_SEGMENT        (243)
  17 #define QCA_PRE_SHUTDOWN_CMD            (0xFC08)
  18 #define QCA_DISABLE_LOGGING             (0xFC17)
  19
  20 #define EDL_CMD_REQ_RES_EVT             (0x00)
  21 #define EDL_PATCH_VER_RES_EVT           (0x19)
  22 #define EDL_APP_VER_RES_EVT             (0x02)
  23 #define EDL_TVL_DNLD_RES_EVT            (0x04)
  24 #define EDL_CMD_EXE_STATUS_EVT          (0x00)
  25 #define EDL_SET_BAUDRATE_RSP_EVT        (0x92)
  26 #define EDL_NVM_ACCESS_CODE_EVT         (0x0B)
  27 #define QCA_DISABLE_LOGGING_SUB_OP      (0x14)
  28
  29 #define EDL_TAG_ID_HCI                  (17)
  30 #define EDL_TAG_ID_DEEP_SLEEP           (27)
  31
  32 #define QCA_WCN3990_POWERON_PULSE       0xFC
  33 #define QCA_WCN3990_POWEROFF_PULSE      0xC0
  34
  35 #define QCA_HCI_CC_OPCODE               0xFC00
  36 #define QCA_HCI_CC_SUCCESS              0x00
  37
  38 #define QCA_WCN3991_SOC_ID              (0x40014320)
  39
  40 /* QCA chipset version can be decided by patch and SoC
  41  * version, combination with upper 2 bytes from SoC
  42  * and lower 2 bytes from patch will be used.
  43  */
  44 #define get_soc_ver(soc_id, rom_ver)    \
  45         ((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))
  46
  47 #define QCA_FW_BUILD_VER_LEN            255
  48
  49
  50 enum qca_baudrate {
  51         QCA_BAUDRATE_115200     = 0,
  52         QCA_BAUDRATE_57600,
  53         QCA_BAUDRATE_38400,
  54         QCA_BAUDRATE_19200,
  55         QCA_BAUDRATE_9600,
  56         QCA_BAUDRATE_230400,
  57         QCA_BAUDRATE_250000,
  58         QCA_BAUDRATE_460800,
  59         QCA_BAUDRATE_500000,
  60         QCA_BAUDRATE_720000,
  61         QCA_BAUDRATE_921600,
  62         QCA_BAUDRATE_1000000,
  63         QCA_BAUDRATE_1250000,
  64         QCA_BAUDRATE_2000000,
  65         QCA_BAUDRATE_3000000,
  66         QCA_BAUDRATE_4000000,
  67         QCA_BAUDRATE_1600000,
  68         QCA_BAUDRATE_3200000,
  69         QCA_BAUDRATE_3500000,
  70         QCA_BAUDRATE_AUTO       = 0xFE,
  71         QCA_BAUDRATE_RESERVED
  72 };
  73
  74 enum qca_tlv_dnld_mode {
  75         QCA_SKIP_EVT_NONE,
  76         QCA_SKIP_EVT_VSE,
  77         QCA_SKIP_EVT_CC,
  78         QCA_SKIP_EVT_VSE_CC
  79 };
  80
  81 enum qca_tlv_type {
  82         TLV_TYPE_PATCH = 1,
  83         TLV_TYPE_NVM,
  84         ELF_TYPE_PATCH,
  85 };
  86
  87 struct qca_fw_config {
  88         u8 type;
  89         char fwname[64];
  90         uint8_t user_baud_rate;
  91         enum qca_tlv_dnld_mode dnld_mode;
  92         enum qca_tlv_dnld_mode dnld_type;
  93 };
  94
  95 struct edl_event_hdr {
  96         __u8 cresp;
  97         __u8 rtype;
  98         __u8 data[];
  99 } __packed;
 100
 101 struct qca_btsoc_version {
 102         __le32 product_id;
 103         __le16 patch_ver;
 104         __le16 rom_ver;
 105         __le32 soc_id;
 106 } __packed;
 107
 108 struct tlv_seg_resp {
 109         __u8 result;
 110 } __packed;
 111
 112 struct tlv_type_patch {
 113         __le32 total_size;
 114         __le32 data_length;
 115         __u8   format_version;
 116         __u8   signature;
 117         __u8   download_mode;
 118         __u8   reserved1;
 119         __le16 product_id;
 120         __le16 rom_build;
 121         __le16 patch_version;
 122         __le16 reserved2;
 123         __le32 entry;
 124 } __packed;
 125
 126 struct tlv_type_nvm {
 127         __le16 tag_id;
 128         __le16 tag_len;
 129         __le32 reserve1;
 130         __le32 reserve2;
 131         __u8   data[];
 132 } __packed;
 133
 134 struct tlv_type_hdr {
 135         __le32 type_len;
 136         __u8   data[];
 137 } __packed;
 138
 139 enum qca_btsoc_type {
 140         QCA_INVALID = -1,
 141         QCA_AR3002,
 142         QCA_ROME,
 143         QCA_WCN3990,
 144         QCA_WCN3998,
 145         QCA_WCN3991,
 146         QCA_QCA6390,
 147         QCA_WCN6750,
 148 };
 149
 150 #if IS_ENABLED(CONFIG_BT_QCA)
 151
 152 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 153 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 154                    enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
 155                    const char *firmware_name);
 156 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
 157                          enum qca_btsoc_type);
 158 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 159 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
 160 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
 161 {
 162         return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 ||
 163                soc_type == QCA_WCN3998;
 164 }
 165 static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 166 {
 167         return soc_type == QCA_WCN6750;
 168 }
 169
 170 #else
 171
 172 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 173 {
 174         return -EOPNOTSUPP;
 175 }
 176
 177 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 178                                  enum qca_btsoc_type soc_type,
 179                                  struct qca_btsoc_version ver,
 180                                  const char *firmware_name)
 181 {
 182         return -EOPNOTSUPP;
 183 }
 184
 185 static inline int qca_read_soc_version(struct hci_dev *hdev,
 186                                        struct qca_btsoc_version *ver,
 187                                        enum qca_btsoc_type)
 188 {
 189         return -EOPNOTSUPP;
 190 }
 191
 192 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 193 {
 194         return -EOPNOTSUPP;
 195 }
 196
 197 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
 198 {
 199         return false;
 200 }
 201
 202 static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 203 {
 204         return false;
 205 }
 206
 207 static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 208 {
 209         return -EOPNOTSUPP;
 210 }
 211 #endif