linux/drivers/gpu/drm/sti/sti_plane.h

87 lines
2.1 KiB
C
Raw Normal View History

/*
* 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