1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2012,2015 Stephen Warren
*/
#ifndef _BCM2835_MSG_H
#define _BCM2835_MSG_H
/**
* bcm2835_power_on_module() - power on an SoC module
*
* @module: ID of module to power on (BCM2835_MBOX_POWER_DEVID_...)
* Return: 0 if OK, -EIO on error
*/
int bcm2835_power_on_module(u32 module);
/**
* bcm2835_get_mmc_clock() - get the frequency of the MMC clock
*
* @clock_id: ID of clock to get frequency for
* Return: clock frequency, or -ve on error
*/
int bcm2835_get_mmc_clock(u32 clock_id);
/**
* bcm2835_set_sdhost_clock() - determine if firmware controls sdhost cdiv
*
* @rate_hz: Input clock frequency
* @rate_1: Returns a clock frequency
* @rate_2: Returns a clock frequency
* @return 0 of OK, -EIO on error
*/
int bcm2835_set_sdhost_clock(u32 rate_hz, u32 *rate_1, u32 *rate_2);
/**
* bcm2835_get_video_size() - get the current display size
*
* @widthp: Returns the width in pixels
* @heightp: Returns the height in pixels
* Return: 0 if OK, -ve on error
*/
int bcm2835_get_video_size(int *widthp, int *heightp);
/**
* bcm2835_set_video_params() - set the video parameters
*
* @widthp: Video width to request (returns the actual width selected)
* @heightp: Video height to request (returns the actual height selected)
* @depth_bpp: Requested bit depth
* @pixel_order: Pixel order to use (BCM2835_MBOX_PIXEL_ORDER_...)
* @alpha_mode: Alpha transparency mode to use (BCM2835_MBOX_ALPHA_MODE_...)
* @fb_basep: Returns base address of frame buffer
* @fb_sizep: Returns size of frame buffer
* @pitchp: Returns number of bytes in each frame buffer line
* Return: 0 if OK, -ve on error
*/
int bcm2835_set_video_params(int *widthp, int *heightp, int depth_bpp,
int pixel_order, int alpha_mode, ulong *fb_basep,
ulong *fb_sizep, int *pitchp);
/**
* bcm2711_load_vl805_firmware() - get vl805's firmware loaded
*
* Return: 0 if OK, -EIO on error
*/
int bcm2711_notify_vl805_reset(void);
#endif
|