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/*
* 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>
#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
};
/**
* STI plane structure
*
* @plane: drm plane it is bound to (if any)
* @fb: drm fb it is bound to
* @mode: display mode
* @desc: plane type & id
* @ops: plane functions
* @zorder: plane z-order
* @mixer_id: id of the mixer used to display the plane
* @enabled: to know if the plane is active or not
* @src_x src_y: coordinates of the input (fb) area
* @src_w src_h: size of the input (fb) area
* @dst_x dst_y: coordinates of the output (crtc) area
* @dst_w dst_h: size of the output (crtc) area
* @format: format
* @pitches: pitch of 'planes' (eg: Y, U, V)
* @offsets: offset of 'planes'
* @vaddr: virtual address of the input buffer
* @paddr: physical address of the input buffer
*/
struct sti_plane {
struct drm_plane drm_plane;
struct drm_framebuffer *fb;
struct drm_display_mode *mode;
enum sti_plane_desc desc;
const struct sti_plane_funcs *ops;
int zorder;
int mixer_id;
bool enabled;
int src_x, src_y;
int src_w, src_h;
int dst_x, dst_y;
int dst_w, dst_h;
uint32_t format;
unsigned int pitches[4];
unsigned int offsets[4];
void *vaddr;
dma_addr_t paddr;
};
/**
* STI plane functions structure
*
* @get_formats: get plane supported formats
* @get_nb_formats: get number of format supported
* @prepare: prepare plane before rendering
* @commit: set plane for rendering
* @disable: disable plane
*/
struct sti_plane_funcs {
const uint32_t* (*get_formats)(struct sti_plane *plane);
unsigned int (*get_nb_formats)(struct sti_plane *plane);
int (*prepare)(struct sti_plane *plane, bool first_prepare);
int (*commit)(struct sti_plane *plane);
int (*disable)(struct sti_plane *plane);
};
struct drm_plane *sti_plane_init(struct drm_device *dev,
struct sti_plane *sti_plane,
unsigned int possible_crtcs,
enum drm_plane_type type);
const char *sti_plane_to_str(struct sti_plane *plane);
#endif
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