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 EDL_PATCH_CONFIG_CMD            (0x28)
  17 #define MAX_SIZE_PER_TLV_SEGMENT        (243)
  18 #define QCA_PRE_SHUTDOWN_CMD            (0xFC08)
  19 #define QCA_DISABLE_LOGGING             (0xFC17)
  20
  21 #define EDL_CMD_REQ_RES_EVT             (0x00)
  22 #define EDL_PATCH_VER_RES_EVT           (0x19)
  23 #define EDL_APP_VER_RES_EVT             (0x02)
  24 #define EDL_TVL_DNLD_RES_EVT            (0x04)
  25 #define EDL_CMD_EXE_STATUS_EVT          (0x00)
  26 #define EDL_SET_BAUDRATE_RSP_EVT        (0x92)
  27 #define EDL_NVM_ACCESS_CODE_EVT         (0x0B)
  28 #define EDL_PATCH_CONFIG_RES_EVT        (0x00)
  29 #define QCA_DISABLE_LOGGING_SUB_OP      (0x14)
  30
  31 #define EDL_TAG_ID_HCI                  (17)
  32 #define EDL_TAG_ID_DEEP_SLEEP           (27)
  33
  34 #define QCA_WCN3990_POWERON_PULSE       0xFC
  35 #define QCA_WCN3990_POWEROFF_PULSE      0xC0
  36
  37 #define QCA_HCI_CC_OPCODE               0xFC00
  38 #define QCA_HCI_CC_SUCCESS              0x00
  39
  40 #define QCA_WCN3991_SOC_ID              (0x40014320)
  41
  42 /* QCA chipset version can be decided by patch and SoC
  43  * version, combination with upper 2 bytes from SoC
  44  * and lower 2 bytes from patch will be used.
  45  */
  46 #define get_soc_ver(soc_id, rom_ver)    \
  47         ((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))
  48
  49 #define QCA_FW_BUILD_VER_LEN            255
  50
  51
  52 enum qca_baudrate {
  53         QCA_BAUDRATE_115200     = 0,
  54         QCA_BAUDRATE_57600,
  55         QCA_BAUDRATE_38400,
  56         QCA_BAUDRATE_19200,
  57         QCA_BAUDRATE_9600,
  58         QCA_BAUDRATE_230400,
  59         QCA_BAUDRATE_250000,
  60         QCA_BAUDRATE_460800,
  61         QCA_BAUDRATE_500000,
  62         QCA_BAUDRATE_720000,
  63         QCA_BAUDRATE_921600,
  64         QCA_BAUDRATE_1000000,
  65         QCA_BAUDRATE_1250000,
  66         QCA_BAUDRATE_2000000,
  67         QCA_BAUDRATE_3000000,
  68         QCA_BAUDRATE_4000000,
  69         QCA_BAUDRATE_1600000,
  70         QCA_BAUDRATE_3200000,
  71         QCA_BAUDRATE_3500000,
  72         QCA_BAUDRATE_AUTO       = 0xFE,
  73         QCA_BAUDRATE_RESERVED
  74 };
  75
  76 enum qca_tlv_dnld_mode {
  77         QCA_SKIP_EVT_NONE,
  78         QCA_SKIP_EVT_VSE,
  79         QCA_SKIP_EVT_CC,
  80         QCA_SKIP_EVT_VSE_CC
  81 };
  82
  83 enum qca_tlv_type {
  84         TLV_TYPE_PATCH = 1,
  85         TLV_TYPE_NVM,
  86         ELF_TYPE_PATCH,
  87 };
  88
  89 struct qca_fw_config {
  90         u8 type;
  91         char fwname[64];
  92         uint8_t user_baud_rate;
  93         enum qca_tlv_dnld_mode dnld_mode;
  94         enum qca_tlv_dnld_mode dnld_type;
  95 };
  96
  97 struct edl_event_hdr {
  98         __u8 cresp;
  99         __u8 rtype;
 100         __u8 data[];
 101 } __packed;
 102
 103 struct qca_btsoc_version {
 104         __le32 product_id;
 105         __le16 patch_ver;
 106         __le16 rom_ver;
 107         __le32 soc_id;
 108 } __packed;
 109
 110 struct tlv_seg_resp {
 111         __u8 result;
 112 } __packed;
 113
 114 struct tlv_type_patch {
 115         __le32 total_size;
 116         __le32 data_length;
 117         __u8   format_version;
 118         __u8   signature;
 119         __u8   download_mode;
 120         __u8   reserved1;
 121         __le16 product_id;
 122         __le16 rom_build;
 123         __le16 patch_version;
 124         __le16 reserved2;
 125         __le32 entry;
 126 } __packed;
 127
 128 struct tlv_type_nvm {
 129         __le16 tag_id;
 130         __le16 tag_len;
 131         __le32 reserve1;
 132         __le32 reserve2;
 133         __u8   data[];
 134 } __packed;
 135
 136 struct tlv_type_hdr {
 137         __le32 type_len;
 138         __u8   data[];
 139 } __packed;
 140
 141 enum qca_btsoc_type {
 142         QCA_INVALID = -1,
 143         QCA_AR3002,
 144         QCA_ROME,
 145         QCA_WCN3990,
 146         QCA_WCN3998,
 147         QCA_WCN3991,
 148         QCA_QCA6390,
 149         QCA_WCN6750,
 150 };
 151
 152 #if IS_ENABLED(CONFIG_BT_QCA)
 153
 154 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 155 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 156                    enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
 157                    const char *firmware_name);
 158 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
 159                          enum qca_btsoc_type);
 160 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 161 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
 162 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
 163 {
 164         return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 ||
 165                soc_type == QCA_WCN3998;
 166 }
 167 static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 168 {
 169         return soc_type == QCA_WCN6750;
 170 }
 171
 172 #else
 173
 174 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 175 {
 176         return -EOPNOTSUPP;
 177 }
 178
 179 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 180                                  enum qca_btsoc_type soc_type,
 181                                  struct qca_btsoc_version ver,
 182                                  const char *firmware_name)
 183 {
 184         return -EOPNOTSUPP;
 185 }
 186
 187 static inline int qca_read_soc_version(struct hci_dev *hdev,
 188                                        struct qca_btsoc_version *ver,
 189                                        enum qca_btsoc_type)
 190 {
 191         return -EOPNOTSUPP;
 192 }
 193
 194 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 195 {
 196         return -EOPNOTSUPP;
 197 }
 198
 199 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
 200 {
 201         return false;
 202 }
 203
 204 static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 205 {
 206         return false;
 207 }
 208
 209 static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 210 {
 211         return -EOPNOTSUPP;
 212 }
 213 #endif