ee4317f78c
hungarian notation will be removed from the elements inside structures, the next varibles will be renamed: Original: Replacement: hnext next hnode node hprev prev hroot root hstream stream pbuf buf pcb_arg cb_arg pdspheap_list dspheap_list pmsg msg ps_name name pstr_create_phase_fxn str_create_phase_fxn pstr_delete_phase_fxn str_delete_phase_fxn pstr_dev_name str_dev_name pstr_event_name str_event_name pstr_execute_phase_fxn str_execute_phase_fxn pstr_i_alg_name str_i_alg_name udma_chnl_id dma_chnl_id un_bufs_in_strm bufs_in_strm usm_buf_size sm_buf_size Signed-off-by: Rene Sapiens <rene.sapiens@ti.com> Signed-off-by: Armando Uribe <x0095078@ti.com> Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
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* chnldefs.h
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* System-wide channel objects and constants.
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*
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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*
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef CHNLDEFS_
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#define CHNLDEFS_
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/* Channel id option. */
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#define CHNL_PICKFREE (~0UL) /* Let manager pick a free channel. */
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/* Channel modes */
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#define CHNL_MODETODSP 0 /* Data streaming to the DSP. */
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#define CHNL_MODEFROMDSP 1 /* Data streaming from the DSP. */
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/* GetIOCompletion flags */
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#define CHNL_IOCINFINITE 0xffffffff /* Wait forever for IO completion. */
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#define CHNL_IOCNOWAIT 0x0 /* Dequeue an IOC, if available. */
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/* IO Completion Record status: */
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#define CHNL_IOCSTATCOMPLETE 0x0000 /* IO Completed. */
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#define CHNL_IOCSTATCANCEL 0x0002 /* IO was cancelled */
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#define CHNL_IOCSTATTIMEOUT 0x0008 /* Wait for IOC timed out. */
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#define CHNL_IOCSTATEOS 0x8000 /* End Of Stream reached. */
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/* Macros for checking I/O Completion status: */
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#define CHNL_IS_IO_COMPLETE(ioc) (!(ioc.status & ~CHNL_IOCSTATEOS))
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#define CHNL_IS_IO_CANCELLED(ioc) (ioc.status & CHNL_IOCSTATCANCEL)
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#define CHNL_IS_TIMED_OUT(ioc) (ioc.status & CHNL_IOCSTATTIMEOUT)
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/* Channel attributes: */
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struct chnl_attr {
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u32 uio_reqs; /* Max # of preallocated I/O requests. */
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void *event_obj; /* User supplied auto-reset event object. */
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char *str_event_name; /* Ptr to name of user event object. */
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void *reserved1; /* Reserved for future use. */
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u32 reserved2; /* Reserved for future use. */
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};
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/* I/O completion record: */
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struct chnl_ioc {
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void *buf; /* Buffer to be filled/emptied. */
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u32 byte_size; /* Bytes transferred. */
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u32 buf_size; /* Actual buffer size in bytes */
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u32 status; /* Status of IO completion. */
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u32 arg; /* User argument associated with buf. */
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};
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#endif /* CHNLDEFS_ */
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