| /* 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_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 |
