/** Header structure for dsp firmware file This structure must match that used in s2bin.c for generation of asidsp.bin
*/ /*#ifndef DISABLE_PRAGMA_PACK1 */ /*#pragma pack(push, 1) */ /*#endif */ struct code_header { /** Size in bytes including header */
u32 size; /** File type tag "CODE" == 0x45444F43 */
u32 type; /** Adapter model number */
u32 adapter; /** Firmware version*/
u32 version; /** Data checksum */
u32 checksum;
}; /*#ifndef DISABLE_PRAGMA_PACK1 */ /*#pragma pack(pop) */ /*#endif */
/*? Don't need the pragmas? */
compile_time_assert((sizeof(struct code_header) == 20), code_header_size);
/** Descriptor for dspcode from firmware loader */ struct dsp_code { /** copy of file header */ struct code_header header; /** Expected number of words in the whole dsp code,INCL header */
u32 block_length; /** Number of words read so far */
u32 word_count;
/** internal state of DSP code reader */ struct dsp_code_private *pvt;
};
/** Prepare *psDspCode to refer to the requested adapter's firmware. Code file name is obtained from HpiOs_GetDspCodePath
\return 0 for success, or error code if requested code is not available
*/ short hpi_dsp_code_open( /** Code identifier, usually adapter family */
u32 adapter, void *pci_dev, /** Pointer to DSP code control structure */ struct dsp_code *ps_dsp_code, /** Pointer to dword to receive OS specific error code */
u32 *pos_error_code);
/** Close the DSP code file */ void hpi_dsp_code_close(struct dsp_code *ps_dsp_code);
/** Rewind to the beginning of the DSP code file (for verify) */ void hpi_dsp_code_rewind(struct dsp_code *ps_dsp_code);
/** Read one word from the dsp code file \return 0 for success, or error code if eof, or block length exceeded
*/ short hpi_dsp_code_read_word(struct dsp_code *ps_dsp_code, /**< DSP code descriptor */
u32 *pword /**< Where to store the read word */
);
/** Get a block of dsp code into an internal buffer, and provide a pointer to that buffer. (If dsp code is already an array in memory, it is referenced, not copied.)
\return Error if requested number of words are not available
*/ short hpi_dsp_code_read_block(size_t words_requested, struct dsp_code *ps_dsp_code, /* Pointer to store (Pointer to code buffer) */
u32 **ppblock);
#endif
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