1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) STMicroelectronics SA 2014 4 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> 5 * Fabien Dessenne <fabien.dessenne@st.com> 6 * for STMicroelectronics. 7 */ 8 9 #ifndef _STI_MIXER_H_ 10 #define _STI_MIXER_H_ 11 12 #include <drm/drm_crtc.h> 13 14 #include <drm/drm_debugfs.h> 15 #include <drm/drm_file.h> 16 17 #include "sti_plane.h" 18 19 struct device; 20 21 #define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc) 22 23 enum sti_mixer_status { 24 STI_MIXER_READY, 25 STI_MIXER_DISABLING, 26 STI_MIXER_DISABLED, 27 }; 28 29 /** 30 * STI Mixer subdevice structure 31 * 32 * @dev: driver device 33 * @regs: mixer registers 34 * @id: id of the mixer 35 * @drm_crtc: crtc object link to the mixer 36 * @status: to know the status of the mixer 37 */ 38 struct sti_mixer { 39 struct device *dev; 40 void __iomem *regs; 41 int id; 42 struct drm_crtc drm_crtc; 43 enum sti_mixer_status status; 44 }; 45 46 const char *sti_mixer_to_str(struct sti_mixer *mixer); 47 48 struct sti_mixer *sti_mixer_create(struct device *dev, 49 struct drm_device *drm_dev, 50 int id, 51 void __iomem *baseaddr); 52 53 int sti_mixer_set_plane_status(struct sti_mixer *mixer, 54 struct sti_plane *plane, bool status); 55 int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane); 56 int sti_mixer_active_video_area(struct sti_mixer *mixer, 57 struct drm_display_mode *mode); 58 59 void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); 60 61 int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor); 62 63 /* depth in Cross-bar control = z order */ 64 #define GAM_MIXER_NB_DEPTH_LEVEL 6 65 66 #define STI_MIXER_MAIN 0 67 #define STI_MIXER_AUX 1 68 69 #endif 70
