LXR linux/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
  27extern int bridge_chnl_create(struct chnl_mgr **channel_mgr,
  28                                     struct dev_object *hdev_obj,
  29                                     const struct chnl_mgrattrs
  30                                     *mgr_attrts);
  31
  32extern int bridge_chnl_destroy(struct chnl_mgr *hchnl_mgr);
  33
  34extern int bridge_chnl_open(struct chnl_object **chnl,
  35                                   struct chnl_mgr *hchnl_mgr,
  36                                   s8 chnl_mode,
  37                                   u32 ch_id,
  38                                   const struct chnl_attr
  39                                   *pattrs);
  40
  41extern int bridge_chnl_close(struct chnl_object *chnl_obj);
  42
  43extern int bridge_chnl_add_io_req(struct chnl_object *chnl_obj,
  44                                      void *host_buf,
  45                                      u32 byte_size, u32 buf_size,
  46                                      u32 dw_dsp_addr, u32 dw_arg);
  47
  48extern int bridge_chnl_get_ioc(struct chnl_object *chnl_obj,
  49                                   u32 timeout, struct chnl_ioc *chan_ioc);
  50
  51extern int bridge_chnl_cancel_io(struct chnl_object *chnl_obj);
  52
  53extern int bridge_chnl_flush_io(struct chnl_object *chnl_obj,
  54                                    u32 timeout);
  55
  56extern int bridge_chnl_get_info(struct chnl_object *chnl_obj,
  57                                    struct chnl_info *channel_info);
  58
  59extern int bridge_chnl_get_mgr_info(struct chnl_mgr *hchnl_mgr,
  60                                        u32 ch_id, struct chnl_mgrinfo
  61                                        *mgr_info);
  62
  63extern int bridge_chnl_idle(struct chnl_object *chnl_obj,
  64                                   u32 timeout, bool flush_data);
  65
  66extern 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_ */
  73