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_tiomap_pwr.h
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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
24 #endif
25 
26 extern struct mailbox_context mboxsetting;
27 
28 /*
29  * ======== wake_dsp =========
30  * Wakes up the DSP from DeepSleep
31  */
32 extern int wake_dsp(struct bridge_dev_context *dev_context,
33  void *pargs);
34 
35 /*
36  * ======== sleep_dsp =========
37  * Places the DSP in DeepSleep.
38  */
39 extern 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  */
45 extern 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  */
53  *dev_context, void *pargs);
54 /*
55  * ======== handle_hibernation_from_dsp ========
56  * Handle Hibernation requested from DSP
57  */
58 int handle_hibernation_from_dsp(struct bridge_dev_context *dev_context);
59 /*
60  * ======== post_scale_dsp ========
61  * Handle Post Scale notification to DSP
62  */
63 int 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  */
69 int pre_scale_dsp(struct bridge_dev_context *dev_context,
70  void *pargs);
71 /*
72  * ======== handle_constraints_set ========
73  * Handle constraints request from DSP
74  */
75 int 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  */
83 void dsp_clk_wakeup_event_ctrl(u32 clock_id, bool enable);
84 
85 #endif /* _TIOMAP_PWR_ */