drivers/staging/tidspbridge/include/dspbridge/dspchnl.h

   1 /*
   2  * dspchnl.h
   3  *
   4  * DSP-BIOS Bridge driver support functions for TI OMAP processors.
   5  *
   6  * Declares the upper edge channel class library functions required by
   7  * all Bridge driver / DSP API driver interface tables. These functions are
   8  * implemented by every class of Bridge channel library.
   9  *
  10  * Notes:
  11  *   The function comment headers reside in dspdefs.h.
  12  *
  13  * Copyright (C) 2005-2006 Texas Instruments, Inc.
  14  *
  15  * This package is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License version 2 as
  17  * published by the Free Software Foundation.
  18  *
  19  * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  21  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  22  */
  23
  24 #ifndef DSPCHNL_
  25 #define DSPCHNL_
  26
  27 extern int bridge_chnl_create(OUT struct chnl_mgr **channel_mgr,
  28                                      struct dev_object *hdev_obj,
  29                                      IN CONST struct chnl_mgrattrs
  30                                      *mgr_attrts);
  31
  32 extern int bridge_chnl_destroy(struct chnl_mgr *hchnl_mgr);
  33
  34 extern int bridge_chnl_open(OUT struct chnl_object **chnl,
  35                                    struct chnl_mgr *hchnl_mgr,
  36                                    s8 chnl_mode,
  37                                    u32 ch_id,
  38                                    CONST IN OPTIONAL struct chnl_attr
  39                                    *pattrs);
  40
  41 extern int bridge_chnl_close(struct chnl_object *chnl_obj);
  42
  43 extern int bridge_chnl_add_io_req(struct chnl_object *chnl_obj,
  44                                       void *host_buf,
  45                                       u32 byte_size, u32 buf_size,
  46                                       OPTIONAL u32 dw_dsp_addr, u32 dw_arg);
  47
  48 extern int bridge_chnl_get_ioc(struct chnl_object *chnl_obj,
  49                                    u32 timeout, OUT struct chnl_ioc *chan_ioc);
  50
  51 extern int bridge_chnl_cancel_io(struct chnl_object *chnl_obj);
  52
  53 extern int bridge_chnl_flush_io(struct chnl_object *chnl_obj,
  54                                     u32 timeout);
  55
  56 extern int bridge_chnl_get_info(struct chnl_object *chnl_obj,
  57                                     OUT struct chnl_info *channel_info);
  58
  59 extern int bridge_chnl_get_mgr_info(struct chnl_mgr *hchnl_mgr,
  60                                         u32 ch_id, OUT struct chnl_mgrinfo
  61                                         *mgr_info);
  62
  63 extern int bridge_chnl_idle(struct chnl_object *chnl_obj,
  64                                    u32 timeout, bool flush_data);
  65
  66 extern int bridge_chnl_register_notify(struct chnl_object *chnl_obj,
  67                                            u32 event_mask,
  68                                            u32 notify_type,
  69                                            struct dsp_notification
  70                                            *hnotification);
  71
  72 #endif /* DSPCHNL_ */