262 lines
7.4 KiB
C
262 lines
7.4 KiB
C
|
/* exynos_drm_drv.h
|
||
|
|
*
|
||
|
|
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
|
||
|
|
* Authors:
|
||
|
|
* Inki Dae <inki.dae@samsung.com>
|
||
|
|
* Joonyoung Shim <jy0922.shim@samsung.com>
|
||
|
|
* Seung-Woo Kim <sw0312.kim@samsung.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the
|
||
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||
|
|
* option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _EXYNOS_DRM_DRV_H_
|
||
|
|
#define _EXYNOS_DRM_DRV_H_
|
||
|
|
|
||
|
|
#include <drm/drmP.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
#define MAX_CRTC 3
|
||
|
|
#define MAX_PLANE 5
|
||
|
|
#define MAX_FB_BUFFER 4
|
||
|
|
|
||
|
|
#define DEFAULT_WIN 0
|
||
|
|
|
||
|
|
#define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc, base)
|
||
|
|
#define to_exynos_plane(x) container_of(x, struct exynos_drm_plane, base)
|
||
|
|
|
||
|
|
/* this enumerates display type. */
|
||
|
|
enum exynos_drm_output_type {
|
||
|
|
EXYNOS_DISPLAY_TYPE_NONE,
|
||
|
|
/* RGB or CPU Interface. */
|
||
|
|
EXYNOS_DISPLAY_TYPE_LCD,
|
||
|
|
/* HDMI Interface. */
|
||
|
|
EXYNOS_DISPLAY_TYPE_HDMI,
|
||
|
|
/* Virtual Display Interface. */
|
||
|
|
EXYNOS_DISPLAY_TYPE_VIDI,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct exynos_drm_rect {
|
||
|
|
unsigned int x, y;
|
||
|
|
unsigned int w, h;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos drm plane state structure.
|
||
|
|
*
|
||
|
|
* @base: plane_state object (contains drm_framebuffer pointer)
|
||
|
|
* @src: rectangle of the source image data to be displayed (clipped to
|
||
|
|
* visible part).
|
||
|
|
* @crtc: rectangle of the target image position on hardware screen
|
||
|
|
* (clipped to visible part).
|
||
|
|
* @h_ratio: horizontal scaling ratio, 16.16 fixed point
|
||
|
|
* @v_ratio: vertical scaling ratio, 16.16 fixed point
|
||
|
|
*
|
||
|
|
* this structure consists plane state data that will be applied to hardware
|
||
|
|
* specific overlay info.
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct exynos_drm_plane_state {
|
||
|
|
struct drm_plane_state base;
|
||
|
|
struct exynos_drm_rect crtc;
|
||
|
|
struct exynos_drm_rect src;
|
||
|
|
unsigned int h_ratio;
|
||
|
|
unsigned int v_ratio;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline struct exynos_drm_plane_state *
|
||
|
|
to_exynos_plane_state(struct drm_plane_state *state)
|
||
|
|
{
|
||
|
|
return container_of(state, struct exynos_drm_plane_state, base);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos drm common overlay structure.
|
||
|
|
*
|
||
|
|
* @base: plane object
|
||
|
|
* @index: hardware index of the overlay layer
|
||
|
|
*
|
||
|
|
* this structure is common to exynos SoC and its contents would be copied
|
||
|
|
* to hardware specific overlay info.
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct exynos_drm_plane {
|
||
|
|
struct drm_plane base;
|
||
|
|
const struct exynos_drm_plane_config *config;
|
||
|
|
unsigned int index;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define EXYNOS_DRM_PLANE_CAP_DOUBLE (1 << 0)
|
||
|
|
#define EXYNOS_DRM_PLANE_CAP_SCALE (1 << 1)
|
||
|
|
#define EXYNOS_DRM_PLANE_CAP_ZPOS (1 << 2)
|
||
|
|
#define EXYNOS_DRM_PLANE_CAP_TILE (1 << 3)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos DRM plane configuration structure.
|
||
|
|
*
|
||
|
|
* @zpos: initial z-position of the plane.
|
||
|
|
* @type: type of the plane (primary, cursor or overlay).
|
||
|
|
* @pixel_formats: supported pixel formats.
|
||
|
|
* @num_pixel_formats: number of elements in 'pixel_formats'.
|
||
|
|
* @capabilities: supported features (see EXYNOS_DRM_PLANE_CAP_*)
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct exynos_drm_plane_config {
|
||
|
|
unsigned int zpos;
|
||
|
|
enum drm_plane_type type;
|
||
|
|
const uint32_t *pixel_formats;
|
||
|
|
unsigned int num_pixel_formats;
|
||
|
|
unsigned int capabilities;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos drm crtc ops
|
||
|
|
*
|
||
|
|
* @enable: enable the device
|
||
|
|
* @disable: disable the device
|
||
|
|
* @enable_vblank: specific driver callback for enabling vblank interrupt.
|
||
|
|
* @disable_vblank: specific driver callback for disabling vblank interrupt.
|
||
|
|
* @mode_valid: specific driver callback for mode validation
|
||
|
|
* @atomic_check: validate state
|
||
|
|
* @atomic_begin: prepare device to receive an update
|
||
|
|
* @atomic_flush: mark the end of device update
|
||
|
|
* @update_plane: apply hardware specific overlay data to registers.
|
||
|
|
* @disable_plane: disable hardware specific overlay.
|
||
|
|
* @te_handler: trigger to transfer video image at the tearing effect
|
||
|
|
* synchronization signal if there is a page flip request.
|
||
|
|
*/
|
||
|
|
struct exynos_drm_crtc;
|
||
|
|
struct exynos_drm_crtc_ops {
|
||
|
|
void (*enable)(struct exynos_drm_crtc *crtc);
|
||
|
|
void (*disable)(struct exynos_drm_crtc *crtc);
|
||
|
|
int (*enable_vblank)(struct exynos_drm_crtc *crtc);
|
||
|
|
void (*disable_vblank)(struct exynos_drm_crtc *crtc);
|
||
|
|
enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
|
||
|
|
const struct drm_display_mode *mode);
|
||
|
|
bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
|
||
|
|
const struct drm_display_mode *mode,
|
||
|
|
struct drm_display_mode *adjusted_mode);
|
||
|
|
int (*atomic_check)(struct exynos_drm_crtc *crtc,
|
||
|
|
struct drm_crtc_state *state);
|
||
|
|
void (*atomic_begin)(struct exynos_drm_crtc *crtc);
|
||
|
|
void (*update_plane)(struct exynos_drm_crtc *crtc,
|
||
|
|
struct exynos_drm_plane *plane);
|
||
|
|
void (*disable_plane)(struct exynos_drm_crtc *crtc,
|
||
|
|
struct exynos_drm_plane *plane);
|
||
|
|
void (*atomic_flush)(struct exynos_drm_crtc *crtc);
|
||
|
|
void (*te_handler)(struct exynos_drm_crtc *crtc);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct exynos_drm_clk {
|
||
|
|
void (*enable)(struct exynos_drm_clk *clk, bool enable);
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos specific crtc structure.
|
||
|
|
*
|
||
|
|
* @base: crtc object.
|
||
|
|
* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
|
||
|
|
* @ops: pointer to callbacks for exynos drm specific functionality
|
||
|
|
* @ctx: A pointer to the crtc's implementation specific context
|
||
|
|
* @pipe_clk: A pointer to the crtc's pipeline clock.
|
||
|
|
*/
|
||
|
|
struct exynos_drm_crtc {
|
||
|
|
struct drm_crtc base;
|
||
|
|
enum exynos_drm_output_type type;
|
||
|
|
const struct exynos_drm_crtc_ops *ops;
|
||
|
|
void *ctx;
|
||
|
|
struct exynos_drm_clk *pipe_clk;
|
||
|
|
bool i80_mode : 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline void exynos_drm_pipe_clk_enable(struct exynos_drm_crtc *crtc,
|
||
|
|
bool enable)
|
||
|
|
{
|
||
|
|
if (crtc->pipe_clk)
|
||
|
|
crtc->pipe_clk->enable(crtc->pipe_clk, enable);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct drm_exynos_file_private {
|
||
|
|
/* for g2d api */
|
||
|
|
struct list_head inuse_cmdlist;
|
||
|
|
struct list_head event_list;
|
||
|
|
struct list_head userptr_list;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exynos drm private structure.
|
||
|
|
*
|
||
|
|
* @pending: the crtcs that have pending updates to finish
|
||
|
|
* @lock: protect access to @pending
|
||
|
|
* @wait: wait an atomic commit to finish
|
||
|
|
*/
|
||
|
|
struct exynos_drm_private {
|
||
|
|
struct drm_fb_helper *fb_helper;
|
||
|
|
struct drm_atomic_state *suspend_state;
|
||
|
|
|
||
|
|
struct device *g2d_dev;
|
||
|
|
struct device *dma_dev;
|
||
|
|
void *mapping;
|
||
|
|
|
||
|
|
/* for atomic commit */
|
||
|
|
u32 pending;
|
||
|
|
spinlock_t lock;
|
||
|
|
wait_queue_head_t wait;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline struct device *to_dma_dev(struct drm_device *dev)
|
||
|
|
{
|
||
|
|
struct exynos_drm_private *priv = dev->dev_private;
|
||
|
|
|
||
|
|
return priv->dma_dev;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_DRM_EXYNOS_DPI
|
||
|
|
struct drm_encoder *exynos_dpi_probe(struct device *dev);
|
||
|
|
int exynos_dpi_remove(struct drm_encoder *encoder);
|
||
|
|
int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder);
|
||
|
|
#else
|
||
|
|
static inline struct drm_encoder *
|
||
|
|
exynos_dpi_probe(struct device *dev) { return NULL; }
|
||
|
|
static inline int exynos_dpi_remove(struct drm_encoder *encoder)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline int exynos_dpi_bind(struct drm_device *dev,
|
||
|
|
struct drm_encoder *encoder)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_DRM_EXYNOS_FIMC
|
||
|
|
int exynos_drm_check_fimc_device(struct device *dev);
|
||
|
|
#else
|
||
|
|
static inline int exynos_drm_check_fimc_device(struct device *dev)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state,
|
||
|
|
bool nonblock);
|
||
|
|
|
||
|
|
|
||
|
|
extern struct platform_driver fimd_driver;
|
||
|
|
extern struct platform_driver exynos5433_decon_driver;
|
||
|
|
extern struct platform_driver decon_driver;
|
||
|
|
extern struct platform_driver dp_driver;
|
||
|
|
extern struct platform_driver dsi_driver;
|
||
|
|
extern struct platform_driver mixer_driver;
|
||
|
|
extern struct platform_driver hdmi_driver;
|
||
|
|
extern struct platform_driver vidi_driver;
|
||
|
|
extern struct platform_driver g2d_driver;
|
||
|
|
extern struct platform_driver fimc_driver;
|
||
|
|
extern struct platform_driver rotator_driver;
|
||
|
|
extern struct platform_driver scaler_driver;
|
||
|
|
extern struct platform_driver gsc_driver;
|
||
|
|
extern struct platform_driver mic_driver;
|
||
|
|
#endif
|