LXR linux/drivers/staging/tidspbridge/core/_tiomap

   1/*
   2 * _tiomap_pwr.h
   3 *
   4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
   5 *
   6 * Definitions and types for the DSP wake/sleep routines.
   7 *
   8 * Copyright (C) 2005-2006 Texas Instruments, Inc.
   9 *
  10 * This package is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 *
  14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17 */
  18
  19#ifndef _TIOMAP_PWR_
  20#define _TIOMAP_PWR_
  21
  22#ifdef CONFIG_PM
  23extern s32 dsp_test_sleepstate;
  24#endif
  25
  26extern struct mailbox_context mboxsetting;
  27
  28/*
  29 * ======== wake_dsp =========
  30 * Wakes up the DSP from DeepSleep
  31 */
  32extern int wake_dsp(struct bridge_dev_context *dev_context,
  33                                                        void *pargs);
  34
  35/*
  36 * ======== sleep_dsp =========
  37 * Places the DSP in DeepSleep.
  38 */
  39extern int sleep_dsp(struct bridge_dev_context *dev_context,
  40                            u32 dw_cmd, void *pargs);
  41/*
  42 *  ========interrupt_dsp========
  43 *      Sends an interrupt to DSP unconditionally.
  44 */
  45extern void interrupt_dsp(struct bridge_dev_context *dev_context,
  46                                                        u16 mb_val);
  47
  48/*
  49 * ======== wake_dsp =========
  50 * Wakes up the DSP from DeepSleep
  51 */
  52extern int dsp_peripheral_clk_ctrl(struct bridge_dev_context
  53                                        *dev_context, void *pargs);
  54/*
  55 *  ======== handle_hibernation_from_dsp ========
  56 *      Handle Hibernation requested from DSP
  57 */
  58int handle_hibernation_from_dsp(struct bridge_dev_context *dev_context);
  59/*
  60 *  ======== post_scale_dsp ========
  61 *      Handle Post Scale notification to DSP
  62 */
  63int post_scale_dsp(struct bridge_dev_context *dev_context,
  64                                                        void *pargs);
  65/*
  66 *  ======== pre_scale_dsp ========
  67 *      Handle Pre Scale notification to DSP
  68 */
  69int pre_scale_dsp(struct bridge_dev_context *dev_context,
  70                                                        void *pargs);
  71/*
  72 *  ======== handle_constraints_set ========
  73 *      Handle constraints request from DSP
  74 */
  75int handle_constraints_set(struct bridge_dev_context *dev_context,
  76                                  void *pargs);
  77
  78/*
  79 *  ======== dsp_clk_wakeup_event_ctrl ========
  80 *     This function sets the group selction bits for while
  81 *     enabling/disabling.
  82 */
  83void dsp_clk_wakeup_event_ctrl(u32 clock_id, bool enable);
  84
  85#endif /* _TIOMAP_PWR_ */
  86