tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) STMicroelectronics SA 2014
3 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
4 * Fabien Dessenne <fabien.dessenne@st.com>
5 * for STMicroelectronics.
6 * License terms: GNU General Public License (GPL), version 2
7 */
8
9#ifndef _STI_MIXER_H_
10#define _STI_MIXER_H_
11
12#include <drm/drmP.h>
13
14#include "sti_plane.h"
15
16#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
17
18enum sti_mixer_status {
19 STI_MIXER_READY,
20 STI_MIXER_DISABLING,
21 STI_MIXER_DISABLED,
22};
23
24/**
25 * STI Mixer subdevice structure
26 *
27 * @dev: driver device
28 * @regs: mixer registers
29 * @id: id of the mixer
30 * @drm_crtc: crtc object link to the mixer
31 * @status: to know the status of the mixer
32 */
33struct sti_mixer {
34 struct device *dev;
35 void __iomem *regs;
36 int id;
37 struct drm_crtc drm_crtc;
38 enum sti_mixer_status status;
39};
40
41const char *sti_mixer_to_str(struct sti_mixer *mixer);
42
43struct sti_mixer *sti_mixer_create(struct device *dev,
44 struct drm_device *drm_dev,
45 int id,
46 void __iomem *baseaddr);
47
48int sti_mixer_set_plane_status(struct sti_mixer *mixer,
49 struct sti_plane *plane, bool status);
50int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane);
51int sti_mixer_active_video_area(struct sti_mixer *mixer,
52 struct drm_display_mode *mode);
53
54void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);
55
56int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
57
58/* depth in Cross-bar control = z order */
59#define GAM_MIXER_NB_DEPTH_LEVEL 6
60
61#define STI_MIXER_MAIN 0
62#define STI_MIXER_AUX 1
63
64#endif