/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Bluetooth supports for Qualcomm Atheros ROME chips
 *
 *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
 */

#define EDL_PATCH_CMD_OPCODE            0xFC00
#define EDL_NVM_ACCESS_OPCODE           0xFC0B
#define EDL_WRITE_BD_ADDR_OPCODE        0xFC14
#define EDL_PATCH_CMD_LEN               1
#define EDL_PATCH_VER_REQ_CMD           0x19
#define EDL_PATCH_TLV_REQ_CMD           0x1E
#define EDL_GET_BUILD_INFO_CMD          0x20
#define EDL_GET_BID_REQ_CMD             0x23
#define EDL_NVM_ACCESS_SET_REQ_CMD      0x01
#define EDL_PATCH_CONFIG_CMD            0x28
#define MAX_SIZE_PER_TLV_SEGMENT        243
#define QCA_PRE_SHUTDOWN_CMD            0xFC08
#define QCA_DISABLE_LOGGING             0xFC17

#define EDL_CMD_REQ_RES_EVT             0x00
#define EDL_PATCH_VER_RES_EVT           0x19
#define EDL_APP_VER_RES_EVT             0x02
#define EDL_TVL_DNLD_RES_EVT            0x04
#define EDL_CMD_EXE_STATUS_EVT          0x00
#define EDL_SET_BAUDRATE_RSP_EVT        0x92
#define EDL_NVM_ACCESS_CODE_EVT         0x0B
#define EDL_PATCH_CONFIG_RES_EVT        0x00
#define QCA_DISABLE_LOGGING_SUB_OP      0x14

#define EDL_TAG_ID_BD_ADDR              2
#define EDL_TAG_ID_HCI                  17
#define EDL_TAG_ID_DEEP_SLEEP           27

#define QCA_WCN3990_POWERON_PULSE       0xFC
#define QCA_WCN3990_POWEROFF_PULSE      0xC0

#define QCA_HCI_CC_OPCODE               0xFC00
#define QCA_HCI_CC_SUCCESS              0x00

#define QCA_WCN3991_SOC_ID              0x40014320

#define QCA_WCN3950_SOC_ID_T            0x40074130
#define QCA_WCN3950_SOC_ID_S            0x40075130

/* QCA chipset version can be decided by patch and SoC
 * version, combination with upper 2 bytes from SoC
 * and lower 2 bytes from patch will be used.
 */
#define get_soc_ver(soc_id, rom_ver)    \
        ((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))

#define QCA_HSP_GF_SOC_ID               0x1200
#define QCA_HSP_GF_SOC_MASK             0x0000ff00

enum qca_baudrate {
        QCA_BAUDRATE_115200     = 0,
        QCA_BAUDRATE_57600,
        QCA_BAUDRATE_38400,
        QCA_BAUDRATE_19200,
        QCA_BAUDRATE_9600,
        QCA_BAUDRATE_230400,
        QCA_BAUDRATE_250000,
        QCA_BAUDRATE_460800,
        QCA_BAUDRATE_500000,
        QCA_BAUDRATE_720000,
        QCA_BAUDRATE_921600,
        QCA_BAUDRATE_1000000,
        QCA_BAUDRATE_1250000,
        QCA_BAUDRATE_2000000,
        QCA_BAUDRATE_3000000,
        QCA_BAUDRATE_4000000,
        QCA_BAUDRATE_1600000,
        QCA_BAUDRATE_3200000,
        QCA_BAUDRATE_3500000,
        QCA_BAUDRATE_AUTO       = 0xFE,
        QCA_BAUDRATE_RESERVED
};

enum qca_tlv_dnld_mode {
        QCA_SKIP_EVT_NONE,
        QCA_SKIP_EVT_VSE,
        QCA_SKIP_EVT_CC,
        QCA_SKIP_EVT_VSE_CC
};

enum qca_tlv_type {
        TLV_TYPE_PATCH = 1,
        TLV_TYPE_NVM,
        ELF_TYPE_PATCH,
};

struct qca_fw_config {
        u8 type;
        char fwname[64];
        uint8_t user_baud_rate;
        enum qca_tlv_dnld_mode dnld_mode;
        enum qca_tlv_dnld_mode dnld_type;
        bdaddr_t bdaddr;
};

struct edl_event_hdr {
        __u8 cresp;
        __u8 rtype;
        __u8 data[];
} __packed;

struct qca_btsoc_version {
        __le32 product_id;
        __le16 patch_ver;
        __le16 rom_ver;
        __le32 soc_id;
} __packed;

struct tlv_seg_resp {
        __u8 result;
} __packed;

struct tlv_type_patch {
        __le32 total_size;
        __le32 data_length;
        __u8   format_version;
        __u8   signature;
        __u8   download_mode;
        __u8   reserved1;
        __le16 product_id;
        __le16 rom_build;
        __le16 patch_version;
        __le16 reserved2;
        __le32 entry;
} __packed;

struct tlv_type_nvm {
        __le16 tag_id;
        __le16 tag_len;
        __le32 reserve1;
        __le32 reserve2;
        __u8   data[];
} __packed;

struct tlv_type_hdr {
        __le32 type_len;
        __u8   data[];
} __packed;

enum qca_btsoc_type {
        QCA_INVALID = -1,
        QCA_AR3002,
        QCA_ROME,
        QCA_WCN3950,
        QCA_WCN3988,
        QCA_WCN3990,
        QCA_WCN3998,
        QCA_WCN3991,
        QCA_QCA2066,
        QCA_QCA6390,
        QCA_WCN6750,
        QCA_WCN6855,
        QCA_WCN7850,
};

#if IS_ENABLED(CONFIG_BT_QCA)

int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
                   enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
                   const char *firmware_name, const char *rampatch_name);
int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
                         enum qca_btsoc_type);
int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
#else

static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
        return -EOPNOTSUPP;
}

static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
                                 enum qca_btsoc_type soc_type,
                                 struct qca_btsoc_version ver,
                                 const char *firmware_name,
                                 const char *rampatch_name)
{
        return -EOPNOTSUPP;
}

static inline int qca_read_soc_version(struct hci_dev *hdev,
                                       struct qca_btsoc_version *ver,
                                       enum qca_btsoc_type)
{
        return -EOPNOTSUPP;
}

static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
        return -EOPNOTSUPP;
}

static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
{
        return -EOPNOTSUPP;
}
#endif