diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_mixer.h')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_mixer.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h new file mode 100644 index 000000000..ab06beb7b --- /dev/null +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> + * Fabien Dessenne <fabien.dessenne@st.com> + * for STMicroelectronics. + */ + +#ifndef _STI_MIXER_H_ +#define _STI_MIXER_H_ + +#include <drm/drm_crtc.h> + +#include <drm/drm_debugfs.h> +#include <drm/drm_file.h> + +#include "sti_plane.h" + +struct device; + +#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc) + +enum sti_mixer_status { + STI_MIXER_READY, + STI_MIXER_DISABLING, + STI_MIXER_DISABLED, +}; + +/** + * STI Mixer subdevice structure + * + * @dev: driver device + * @regs: mixer registers + * @id: id of the mixer + * @drm_crtc: crtc object link to the mixer + * @status: to know the status of the mixer + */ +struct sti_mixer { + struct device *dev; + void __iomem *regs; + int id; + struct drm_crtc drm_crtc; + enum sti_mixer_status status; +}; + +const char *sti_mixer_to_str(struct sti_mixer *mixer); + +struct sti_mixer *sti_mixer_create(struct device *dev, + struct drm_device *drm_dev, + int id, + void __iomem *baseaddr); + +int sti_mixer_set_plane_status(struct sti_mixer *mixer, + struct sti_plane *plane, bool status); +int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane); +int sti_mixer_active_video_area(struct sti_mixer *mixer, + struct drm_display_mode *mode); + +void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); + +void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor); + +/* depth in Cross-bar control = z order */ +#define GAM_MIXER_NB_DEPTH_LEVEL 6 + +#define STI_MIXER_MAIN 0 +#define STI_MIXER_AUX 1 + +#endif |