Release 4.11 drivers/gpu/drm/sti/sti_plane.h

/*
 * Copyright (C) STMicroelectronics SA 2014
 * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
 * License terms:  GNU General Public License (GPL), version 2
 */

#ifndef _STI_PLANE_H_

#define _STI_PLANE_H_

#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>


#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)


#define STI_PLANE_TYPE_SHIFT 8

#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1))


enum sti_plane_type {
	
STI_GDP = 1 << STI_PLANE_TYPE_SHIFT,
	
STI_VDP = 2 << STI_PLANE_TYPE_SHIFT,
	
STI_CUR = 3 << STI_PLANE_TYPE_SHIFT,
	
STI_BCK = 4 << STI_PLANE_TYPE_SHIFT
};


enum sti_plane_id_of_type {
	
STI_ID_0 = 0,
	
STI_ID_1 = 1,
	
STI_ID_2 = 2,
	
STI_ID_3 = 3
};


enum sti_plane_desc {
	
STI_GDP_0       = STI_GDP | STI_ID_0,
	
STI_GDP_1       = STI_GDP | STI_ID_1,
	
STI_GDP_2       = STI_GDP | STI_ID_2,
	
STI_GDP_3       = STI_GDP | STI_ID_3,
	
STI_HQVDP_0     = STI_VDP | STI_ID_0,
	
STI_CURSOR      = STI_CUR,
	
STI_BACK        = STI_BCK
};


enum sti_plane_status {
	
STI_PLANE_READY,
	
STI_PLANE_UPDATED,
	
STI_PLANE_DISABLING,
	
STI_PLANE_FLUSHING,
	
STI_PLANE_DISABLED,
};


#define FPS_LENGTH 128

struct sti_fps_info {
	
bool output;
	
unsigned int curr_frame_counter;
	
unsigned int last_frame_counter;
	
unsigned int curr_field_counter;
	
unsigned int last_field_counter;
	
ktime_t	     last_timestamp;
	
char fps_str[FPS_LENGTH];
	
char fips_str[FPS_LENGTH];
};

/**
 * STI plane structure
 *
 * @plane:              drm plane it is bound to (if any)
 * @desc:               plane type & id
 * @status:             to know the status of the plane
 * @fps_info:           frame per second info
 */

struct sti_plane {
	
struct drm_plane drm_plane;
	
enum sti_plane_desc desc;
	
enum sti_plane_status status;
	
struct sti_fps_info fps_info;
};

const char *sti_plane_to_str(struct sti_plane *plane);
void sti_plane_update_fps(struct sti_plane *plane,
			  bool new_frame,
			  bool new_field);

void sti_plane_init_property(struct sti_plane *plane,
			     enum drm_plane_type type);
void sti_plane_reset(struct drm_plane *plane);
#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Vincent Abriou
218
87.20%
5
55.56%
Benjamin Gaignard
31
12.40%
3
33.33%
Tina Ruchandani
1
0.40%
1
11.11%
Total
250
100.00%
9
100.00%
Directory: drivers/gpu/drm/sti

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