linux/drivers/gpu/drm/vkms/vkms_drv.h

/* SPDX-License-Identifier: GPL-2.0+ */

#ifndef _VKMS_DRV_H_
#define _VKMS_DRV_H_

#include <linux/hrtimer.h>

#include <drm/drm.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_encoder.h>
#include <drm/drm_writeback.h>

#define XRES_MIN …
#define YRES_MIN …

#define XRES_DEF …
#define YRES_DEF …

#define XRES_MAX …
#define YRES_MAX …

#define NUM_OVERLAY_PLANES …

#define VKMS_LUT_SIZE …

struct vkms_frame_info { … };

struct pixel_argb_u16 { … };

struct line_buffer { … };

struct vkms_writeback_job { … };

/**
 * vkms_plane_state - Driver specific plane state
 * @base: base plane state
 * @frame_info: data required for composing computation
 */
struct vkms_plane_state { … };

struct vkms_plane { … };

struct vkms_color_lut { … };

/**
 * vkms_crtc_state - Driver specific CRTC state
 * @base: base CRTC state
 * @composer_work: work struct to compose and add CRC entries
 * @n_frame_start: start frame number for computed CRC
 * @n_frame_end: end frame number for computed CRC
 */
struct vkms_crtc_state { … };

struct vkms_output { … };

struct vkms_device;

struct vkms_config { … };

struct vkms_device { … };

#define drm_crtc_to_vkms_output(target) …

#define drm_device_to_vkms_device(target) …

#define to_vkms_crtc_state(target) …

#define to_vkms_plane_state(target) …

/* CRTC */
int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
		   struct drm_plane *primary, struct drm_plane *cursor);

int vkms_output_init(struct vkms_device *vkmsdev, int index);

struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev,
				   enum drm_plane_type type, int index);

/* CRC Support */
const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
					size_t *count);
int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
			   size_t *values_cnt);

/* Composer Support */
void vkms_composer_worker(struct work_struct *work);
void vkms_set_composer(struct vkms_output *out, bool enabled);
void vkms_compose_row(struct line_buffer *stage_buffer, struct vkms_plane_state *plane, int y);
void vkms_writeback_row(struct vkms_writeback_job *wb, const struct line_buffer *src_buffer, int y);

/* Writeback */
int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);

#endif /* _VKMS_DRV_H_ */