blob: 478b1f1c50170ca394b496e7958b63910d7cbcd5 [file] [log] [blame]
/*
* (C) Copyright 2012,2015 Stephen Warren
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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
*
* @return clock frequency, or -ve on error
*/
int bcm2835_get_mmc_clock(void);
/**
* 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);
#endif