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#ifndef _FWCUTTER_H_
#define _FWCUTTER_H_

#define FW_FLAG_LE              0x01    /* little endian? convert */
#define FW_FLAG_V4              0x02    /* b43 vs. b43legacy */
#define FW_FLAG_UNSUPPORTED     0x04    /* not supported/working */

#define fwcutter_stringify_1(x) #x
#define fwcutter_stringify(x)   fwcutter_stringify_1(x)
#define FWCUTTER_VERSION        fwcutter_stringify(FWCUTTER_VERSION_)

#undef ARRAY_SIZE
#define ARRAY_SIZE(array)       (sizeof(array) / sizeof((array)[0]))

typedef uint16_t be16_t; /* Big-endian 16bit */
typedef uint32_t be32_t; /* Big-endian 32bit */

#if defined(__DragonFly__) || defined(__FreeBSD__)
#define bswap_16        bswap16
#define bswap_32        bswap32
#endif

#define ARG_MATCH       0
#define ARG_NOMATCH     1
#define ARG_ERROR       -1

enum fwcutter_mode {
        FWCM_EXTRACT = 0,       /* default */
        FWCM_LIST,
        FWCM_IDENTIFY,
};

struct cmdline_args {
        const char *infile;
        const char *target_dir;
        enum fwcutter_mode mode;
        int unsupported;
};

struct insn {
        uint32_t opcode;
        uint16_t op1, op2, op3;
};

/* The IV how it's done in the binary driver files. */
struct iv {
        be16_t reg, size;
        be32_t val;
} __attribute__((__packed__));

enum extract_type {
        EXT_UNDEFINED, /* error catcher  */
        EXT_UCODE_1,   /* rev  <= 4 ucode */
        EXT_UCODE_2,   /* rev 5..14 ucode */
        EXT_UCODE_3,   /* rev >= 15 ucode */
        EXT_PCM,       /* "pcm" values   */
        EXT_IV,        /* initial values */
};

struct extract {
        const char *name;
        const uint32_t offset;
        const uint32_t length;
        const enum extract_type type;
};

#define EXTRACT_LIST_END { .name = NULL, }

struct file {
        const char *name;
        const char *ucode_version;
        const char *md5;
        const struct extract *extract;
        const uint32_t flags;
};

/* The header that's put in to every .fw file */
struct fw_header {
        /* Type of the firmware data */
        uint8_t type;
        /* Version number of the firmware data format */
        uint8_t ver;
        uint8_t __padding[2];
        /* Size of the data. For ucode and PCM this is in bytes.
         * For IV this is in number-of-ivs. */
        be32_t size;
} __attribute__((__packed__));

#define FW_TYPE_UCODE   'u'
#define FW_TYPE_PCM     'p'
#define FW_TYPE_IV      'i'

#define FW_HDR_VER      0x01

/* The IV in the .fw file */
struct b43_iv {
        be16_t offset_size;
        union {
                be16_t d16;
                be32_t d32;
        } data __attribute__((__packed__));
} __attribute__((__packed__));

#define FW_IV_OFFSET_MASK       0x7FFF
#define FW_IV_32BIT             0x8000


#endif /* _FWCUTTER_H_ */