085467b8f5
hungarian notation will be removed from the elements inside structures, the next varibles will be renamed: Original: Replacement: hbridge_context bridge_context hchnl_mgr chnl_mgr hcmm_mgr cmm_mgr hdcd_mgr dcd_mgr hdeh_mgr deh_mgr hdev_obj dev_obj hdrv_obj drv_obj hmgr_obj mgr_obj hmsg_mgr msg_mgr hnode_mgr node_mgr psz_last_coff last_coff ul_resource resource ul_seg_id seg_id ul_size size ul_sm_size sm_size ul_total_free_size total_free_size ul_total_in_use_cnt total_in_use_cnt ul_total_seg_size total_seg_size ul_trace_buffer_begin trace_buffer_begin ul_trace_buffer_current trace_buffer_current ul_trace_buffer_end trace_buffer_end ul_unit unit ul_virt_size virt_size us_dsp_mau_size dsp_mau_size us_dsp_word_size dsp_word_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>
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/*
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* chnlpriv.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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* Private channel header shared between DSPSYS, DSPAPI and
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* Bridge driver modules.
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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 CHNLPRIV_
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#define CHNLPRIV_
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#include <dspbridge/chnldefs.h>
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#include <dspbridge/devdefs.h>
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#include <dspbridge/sync.h>
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/* Channel manager limits: */
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#define CHNL_MAXCHANNELS 32 /* Max channels available per transport */
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/*
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* Trans port channel Id definitions:(must match dsp-side).
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*
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* For CHNL_MAXCHANNELS = 16:
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*
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* ChnlIds:
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* 0-15 (PCPY) - transport 0)
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* 16-31 (DDMA) - transport 1)
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* 32-47 (ZCPY) - transport 2)
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*/
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#define CHNL_PCPY 0 /* Proc-copy transport 0 */
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/* Higher level channel states: */
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#define CHNL_STATEREADY 0 /* Channel ready for I/O. */
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#define CHNL_STATECANCEL 1 /* I/O was cancelled. */
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#define CHNL_STATEEOS 2 /* End Of Stream reached. */
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/* Macros for checking mode: */
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#define CHNL_IS_INPUT(mode) (mode & CHNL_MODEFROMDSP)
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#define CHNL_IS_OUTPUT(mode) (!CHNL_IS_INPUT(mode))
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/* Types of channel class libraries: */
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#define CHNL_TYPESM 1 /* Shared memory driver. */
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/* Channel info. */
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struct chnl_info {
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struct chnl_mgr *chnl_mgr; /* Owning channel manager. */
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u32 cnhl_id; /* Channel ID. */
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void *event_obj; /* Channel I/O completion event. */
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/*Abstraction of I/O completion event. */
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struct sync_object *sync_event;
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s8 mode; /* Channel mode. */
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u8 state; /* Current channel state. */
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u32 bytes_tx; /* Total bytes transferred. */
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u32 cio_cs; /* Number of IOCs in queue. */
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u32 cio_reqs; /* Number of IO Requests in queue. */
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u32 process; /* Process owning this channel. */
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};
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/* Channel manager info: */
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struct chnl_mgrinfo {
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u8 type; /* Type of channel class library. */
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/* Channel handle, given the channel id. */
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struct chnl_object *chnl_obj;
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u8 open_channels; /* Number of open channels. */
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u8 max_channels; /* total # of chnls supported */
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};
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/* Channel Manager Attrs: */
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struct chnl_mgrattrs {
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/* Max number of channels this manager can use. */
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u8 max_channels;
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u32 word_size; /* DSP Word size. */
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};
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#endif /* CHNLPRIV_ */
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