[linux-2.6-block.git] / drivers / gpu / drm / exynos / exynos_drm_drv.h

/* 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 <linux/module.h>

#define MAX_CRTC	3
#define MAX_PLANE	5
#define MAX_FB_BUFFER	4
#define DEFAULT_ZPOS	-1

#define _wait_for(COND, MS) ({ \
	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);	\
	int ret__ = 0;							\
	while (!(COND)) {						\
		if (time_after(jiffies, timeout__)) {			\
			ret__ = -ETIMEDOUT;				\
			break;						\
		}							\
	}								\
	ret__;								\
})

#define wait_for(COND, MS) _wait_for(COND, MS)

struct drm_device;
struct exynos_drm_overlay;
struct drm_connector;

extern unsigned int drm_vblank_offdelay;

/* 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,
};

/*
 * Exynos drm common overlay structure.
 *
 * @fb_x: offset x on a framebuffer to be displayed.
 *	- the unit is screen coordinates.
 * @fb_y: offset y on a framebuffer to be displayed.
 *	- the unit is screen coordinates.
 * @fb_width: width of a framebuffer.
 * @fb_height: height of a framebuffer.
 * @src_width: width of a partial image to be displayed from framebuffer.
 * @src_height: height of a partial image to be displayed from framebuffer.
 * @crtc_x: offset x on hardware screen.
 * @crtc_y: offset y on hardware screen.
 * @crtc_width: window width to be displayed (hardware screen).
 * @crtc_height: window height to be displayed (hardware screen).
 * @mode_width: width of screen mode.
 * @mode_height: height of screen mode.
 * @refresh: refresh rate.
 * @scan_flag: interlace or progressive way.
 *	(it could be DRM_MODE_FLAG_*)
 * @bpp: pixel size.(in bit)
 * @pixel_format: fourcc pixel format of this overlay
 * @dma_addr: array of bus(accessed by dma) address to the memory region
 *	      allocated for a overlay.
 * @zpos: order of overlay layer(z position).
 * @default_win: a window to be enabled.
 * @color_key: color key on or off.
 * @index_color: if using color key feature then this value would be used
 *			as index color.
 * @local_path: in case of lcd type, local path mode on or off.
 * @transparency: transparency on or off.
 * @activated: activated or not.
 *
 * this structure is common to exynos SoC and its contents would be copied
 * to hardware specific overlay info.
 */
struct exynos_drm_overlay {
	unsigned int fb_x;
	unsigned int fb_y;
	unsigned int fb_width;
	unsigned int fb_height;
	unsigned int src_width;
	unsigned int src_height;
	unsigned int crtc_x;
	unsigned int crtc_y;
	unsigned int crtc_width;
	unsigned int crtc_height;
	unsigned int mode_width;
	unsigned int mode_height;
	unsigned int refresh;
	unsigned int scan_flag;
	unsigned int bpp;
	unsigned int pitch;
	uint32_t pixel_format;
	dma_addr_t dma_addr[MAX_FB_BUFFER];
	int zpos;

	bool default_win;
	bool color_key;
	unsigned int index_color;
	bool local_path;
	bool transparency;
	bool activated;
};

/*
 * Exynos DRM Display Structure.
 *	- this structure is common to analog tv, digital tv and lcd panel.
 *
 * @initialize: initializes the display with drm_dev
 * @remove: cleans up the display for removal
 * @mode_fixup: fix mode data comparing to hw specific display mode.
 * @mode_set: convert drm_display_mode to hw specific display mode and
 *	      would be called by encoder->mode_set().
 * @check_mode: check if mode is valid or not.
 * @dpms: display device on or off.
 * @commit: apply changes to hw
 */
struct exynos_drm_display;
struct exynos_drm_display_ops {
	int (*initialize)(struct exynos_drm_display *display,
				struct drm_device *drm_dev);
	int (*create_connector)(struct exynos_drm_display *display,
				struct drm_encoder *encoder);
	void (*remove)(struct exynos_drm_display *display);
	void (*mode_fixup)(struct exynos_drm_display *display,
				struct drm_connector *connector,
				const struct drm_display_mode *mode,
				struct drm_display_mode *adjusted_mode);
	void (*mode_set)(struct exynos_drm_display *display,
				struct drm_display_mode *mode);
	int (*check_mode)(struct exynos_drm_display *display,
				struct drm_display_mode *mode);
	void (*dpms)(struct exynos_drm_display *display, int mode);
	void (*commit)(struct exynos_drm_display *display);
};

/*
 * Exynos drm display structure, maps 1:1 with an encoder/connector
 *
 * @list: the list entry for this manager
 * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
 * @encoder: encoder object this display maps to
 * @connector: connector object this display maps to
 * @ops: pointer to callbacks for exynos drm specific functionality
 * @ctx: A pointer to the display's implementation specific context
 */
struct exynos_drm_display {
	struct list_head list;
	enum exynos_drm_output_type type;
	struct drm_encoder *encoder;
	struct drm_connector *connector;
	struct exynos_drm_display_ops *ops;
	void *ctx;
};

/*
 * Exynos drm manager ops
 *
 * @initialize: initializes the manager with drm_dev
 * @remove: cleans up the manager for removal
 * @dpms: control device power.
 * @mode_fixup: fix mode data before applying it
 * @mode_set: set the given mode to the manager
 * @commit: set current hw specific display mode to hw.
 * @enable_vblank: specific driver callback for enabling vblank interrupt.
 * @disable_vblank: specific driver callback for disabling vblank interrupt.
 * @wait_for_vblank: wait for vblank interrupt to make sure that
 *	hardware overlay is updated.
 * @win_mode_set: copy drm overlay info to hw specific overlay info.
 * @win_commit: apply hardware specific overlay data to registers.
 * @win_enable: enable hardware specific overlay.
 * @win_disable: disable hardware specific overlay.
 */
struct exynos_drm_manager;
struct exynos_drm_manager_ops {
	int (*initialize)(struct exynos_drm_manager *mgr,
				struct drm_device *drm_dev, int pipe);
	void (*remove)(struct exynos_drm_manager *mgr);
	void (*dpms)(struct exynos_drm_manager *mgr, int mode);
	bool (*mode_fixup)(struct exynos_drm_manager *mgr,
				const struct drm_display_mode *mode,
				struct drm_display_mode *adjusted_mode);
	void (*mode_set)(struct exynos_drm_manager *mgr,
				const struct drm_display_mode *mode);
	void (*commit)(struct exynos_drm_manager *mgr);
	int (*enable_vblank)(struct exynos_drm_manager *mgr);
	void (*disable_vblank)(struct exynos_drm_manager *mgr);
	void (*wait_for_vblank)(struct exynos_drm_manager *mgr);
	void (*win_mode_set)(struct exynos_drm_manager *mgr,
				struct exynos_drm_overlay *overlay);
	void (*win_commit)(struct exynos_drm_manager *mgr, int zpos);
	void (*win_enable)(struct exynos_drm_manager *mgr, int zpos);
	void (*win_disable)(struct exynos_drm_manager *mgr, int zpos);
};

/*
 * Exynos drm common manager structure, maps 1:1 with a crtc
 *
 * @list: the list entry for this manager
 * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
 * @drm_dev: pointer to the drm device
 * @pipe: the pipe number for this crtc/manager
 * @ops: pointer to callbacks for exynos drm specific functionality
 * @ctx: A pointer to the manager's implementation specific context
 */
struct exynos_drm_manager {
	struct list_head list;
	enum exynos_drm_output_type type;
	struct drm_device *drm_dev;
	int pipe;
	struct exynos_drm_manager_ops *ops;
	void *ctx;
};

struct exynos_drm_g2d_private {
	struct device		*dev;
	struct list_head	inuse_cmdlist;
	struct list_head	event_list;
	struct list_head	userptr_list;
};

struct exynos_drm_ipp_private {
	struct device	*dev;
	struct list_head	event_list;
};

struct drm_exynos_file_private {
	struct exynos_drm_g2d_private	*g2d_priv;
	struct exynos_drm_ipp_private	*ipp_priv;
	struct file			*anon_filp;
};

/*
 * Exynos drm private structure.
 *
 * @da_start: start address to device address space.
 *	with iommu, device address space starts from this address
 *	otherwise default one.
 * @da_space_size: size of device address space.
 *	if 0 then default value is used for it.
 * @da_space_order: order to device address space.
 */
struct exynos_drm_private {
	struct drm_fb_helper *fb_helper;

	/* list head for new event to be added. */
	struct list_head pageflip_event_list;

	/*
	 * created crtc object would be contained at this array and
	 * this array is used to be aware of which crtc did it request vblank.
	 */
	struct drm_crtc *crtc[MAX_CRTC];
	struct drm_property *plane_zpos_property;
	struct drm_property *crtc_mode_property;

	unsigned long da_start;
	unsigned long da_space_size;
	unsigned long da_space_order;
};

/*
 * Exynos drm sub driver structure.
 *
 * @list: sub driver has its own list object to register to exynos drm driver.
 * @dev: pointer to device object for subdrv device driver.
 * @drm_dev: pointer to drm_device and this pointer would be set
 *	when sub driver calls exynos_drm_subdrv_register().
 * @manager: subdrv has its own manager to control a hardware appropriately
 *	and we can access a hardware drawing on this manager.
 * @probe: this callback would be called by exynos drm driver after
 *	subdrv is registered to it.
 * @remove: this callback is used to release resources created
 *	by probe callback.
 * @open: this would be called with drm device file open.
 * @close: this would be called with drm device file close.
 */
struct exynos_drm_subdrv {
	struct list_head list;
	struct device *dev;
	struct drm_device *drm_dev;

	int (*probe)(struct drm_device *drm_dev, struct device *dev);
	void (*remove)(struct drm_device *drm_dev, struct device *dev);
	int (*open)(struct drm_device *drm_dev, struct device *dev,
			struct drm_file *file);
	void (*close)(struct drm_device *drm_dev, struct device *dev,
			struct drm_file *file);
};

/*
 * this function calls a probe callback registered to sub driver list and
 * create its own encoder and connector and then set drm_device object
 * to global one.
 */
int exynos_drm_device_register(struct drm_device *dev);
/*
 * this function calls a remove callback registered to sub driver list and
 * destroy its own encoder and connetor.
 */
int exynos_drm_device_unregister(struct drm_device *dev);

int exynos_drm_initialize_managers(struct drm_device *dev);
void exynos_drm_remove_managers(struct drm_device *dev);
int exynos_drm_initialize_displays(struct drm_device *dev);
void exynos_drm_remove_displays(struct drm_device *dev);

int exynos_drm_manager_register(struct exynos_drm_manager *manager);
int exynos_drm_manager_unregister(struct exynos_drm_manager *manager);
int exynos_drm_display_register(struct exynos_drm_display *display);
int exynos_drm_display_unregister(struct exynos_drm_display *display);

/*
 * this function would be called by sub drivers such as display controller
 * or hdmi driver to register this sub driver object to exynos drm driver
 * and when a sub driver is registered to exynos drm driver a probe callback
 * of the sub driver is called and creates its own encoder and connector.
 */
int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv);

/* this function removes subdrv list from exynos drm driver */
int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);

int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file);
void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file);

/*
 * this function registers exynos drm hdmi platform device. It ensures only one
 * instance of the device is created.
 */
int exynos_platform_device_hdmi_register(void);

/*
 * this function unregisters exynos drm hdmi platform device if it exists.
 */
void exynos_platform_device_hdmi_unregister(void);

/*
 * this function registers exynos drm ipp platform device.
 */
int exynos_platform_device_ipp_register(void);

/*
 * this function unregisters exynos drm ipp platform device if it exists.
 */
void exynos_platform_device_ipp_unregister(void);

extern struct platform_driver dp_driver;
extern struct platform_driver fimd_driver;
extern struct platform_driver hdmi_driver;
extern struct platform_driver mixer_driver;
extern struct platform_driver exynos_drm_common_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 gsc_driver;
extern struct platform_driver ipp_driver;
#endif
Commit	Line	Data
1c248b7d ID	1	/* exynos_drm_drv.h
	2	*
	3	* Copyright (c) 2011 Samsung Electronics Co., Ltd.
	4	* Authors:
	5	* Inki Dae <inki.dae@samsung.com>
	6	* Joonyoung Shim <jy0922.shim@samsung.com>
	7	* Seung-Woo Kim <sw0312.kim@samsung.com>
	8	*
d81aecb5 ID	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms of the GNU General Public License as published by the
	11	* Free Software Foundation; either version 2 of the License, or (at your
	12	* option) any later version.
1c248b7d ID	13	*/
	14
	15	#ifndef _EXYNOS_DRM_DRV_H_
	16	#define _EXYNOS_DRM_DRV_H_
	17
4f9eb94f	18	#include <linux/module.h>
1c248b7d	19
b73d1230	20	#define MAX_CRTC 3
864ee9e6	21	#define MAX_PLANE 5
b73d1230	22	#define MAX_FB_BUFFER 4
864ee9e6	23	#define DEFAULT_ZPOS -1
1c248b7d	24
b011941f ID	25	#define _wait_for(COND, MS) ({ \
	26	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
	27	int ret__ = 0; \
	28	while (!(COND)) { \
	29	if (time_after(jiffies, timeout__)) { \
	30	ret__ = -ETIMEDOUT; \
	31	break; \
	32	} \
	33	} \
	34	ret__; \
	35	})
	36
	37	#define wait_for(COND, MS) _wait_for(COND, MS)
	38
1c248b7d ID	39	struct drm_device;
	40	struct exynos_drm_overlay;
	41	struct drm_connector;
	42
52c68814 ID	43	extern unsigned int drm_vblank_offdelay;
52c68814 ID	44
1c248b7d ID	45	/* this enumerates display type. */
	46	enum exynos_drm_output_type {
	47	EXYNOS_DISPLAY_TYPE_NONE,
	48	/* RGB or CPU Interface. */
	49	EXYNOS_DISPLAY_TYPE_LCD,
	50	/* HDMI Interface. */
	51	EXYNOS_DISPLAY_TYPE_HDMI,
b73d1230 ID	52	/* Virtual Display Interface. */
b73d1230 ID	53	EXYNOS_DISPLAY_TYPE_VIDI,
1c248b7d ID	54	};
1c248b7d ID	55
1c248b7d ID	56	/*
	57	* Exynos drm common overlay structure.
	58	*
19c8b834 ID	59	* @fb_x: offset x on a framebuffer to be displayed.
	60	* - the unit is screen coordinates.
	61	* @fb_y: offset y on a framebuffer to be displayed.
	62	* - the unit is screen coordinates.
	63	* @fb_width: width of a framebuffer.
	64	* @fb_height: height of a framebuffer.
0d8071ee SWK	65	* @src_width: width of a partial image to be displayed from framebuffer.
0d8071ee SWK	66	* @src_height: height of a partial image to be displayed from framebuffer.
19c8b834 ID	67	* @crtc_x: offset x on hardware screen.
	68	* @crtc_y: offset y on hardware screen.
	69	* @crtc_width: window width to be displayed (hardware screen).
	70	* @crtc_height: window height to be displayed (hardware screen).
	71	* @mode_width: width of screen mode.
	72	* @mode_height: height of screen mode.
	73	* @refresh: refresh rate.
	74	* @scan_flag: interlace or progressive way.
	75	* (it could be DRM_MODE_FLAG_*)
1c248b7d	76	* @bpp: pixel size.(in bit)
229d3534 SWK	77	* @pixel_format: fourcc pixel format of this overlay
	78	* @dma_addr: array of bus(accessed by dma) address to the memory region
	79	* allocated for a overlay.
864ee9e6	80	* @zpos: order of overlay layer(z position).
1c248b7d ID	81	* @default_win: a window to be enabled.
	82	* @color_key: color key on or off.
	83	* @index_color: if using color key feature then this value would be used
	84	* as index color.
	85	* @local_path: in case of lcd type, local path mode on or off.
	86	* @transparency: transparency on or off.
	87	* @activated: activated or not.
	88	*
	89	* this structure is common to exynos SoC and its contents would be copied
	90	* to hardware specific overlay info.
	91	*/
	92	struct exynos_drm_overlay {
19c8b834 ID	93	unsigned int fb_x;
	94	unsigned int fb_y;
	95	unsigned int fb_width;
	96	unsigned int fb_height;
0d8071ee SWK	97	unsigned int src_width;
0d8071ee SWK	98	unsigned int src_height;
19c8b834 ID	99	unsigned int crtc_x;
	100	unsigned int crtc_y;
	101	unsigned int crtc_width;
	102	unsigned int crtc_height;
	103	unsigned int mode_width;
	104	unsigned int mode_height;
	105	unsigned int refresh;
	106	unsigned int scan_flag;
1c248b7d	107	unsigned int bpp;
19c8b834	108	unsigned int pitch;
229d3534 SWK	109	uint32_t pixel_format;
229d3534 SWK	110	dma_addr_t dma_addr[MAX_FB_BUFFER];
864ee9e6	111	int zpos;
1c248b7d ID	112
	113	bool default_win;
	114	bool color_key;
	115	unsigned int index_color;
	116	bool local_path;
	117	bool transparency;
	118	bool activated;
	119	};
	120
	121	/*
	122	* Exynos DRM Display Structure.
	123	* - this structure is common to analog tv, digital tv and lcd panel.
	124	*
1f9cafc3	125	* @initialize: initializes the display with drm_dev
080be03d	126	* @remove: cleans up the display for removal
080be03d SP	127	* @mode_fixup: fix mode data comparing to hw specific display mode.
	128	* @mode_set: convert drm_display_mode to hw specific display mode and
	129	* would be called by encoder->mode_set().
16844fb1	130	* @check_mode: check if mode is valid or not.
54c40ded	131	* @dpms: display device on or off.
080be03d	132	* @commit: apply changes to hw
1c248b7d	133	*/
080be03d	134	struct exynos_drm_display;
74ccc539	135	struct exynos_drm_display_ops {
080be03d SP	136	int (initialize)(struct exynos_drm_display display,
080be03d SP	137	struct drm_device *drm_dev);
c37f42cd SP	138	int (create_connector)(struct exynos_drm_display display,
c37f42cd SP	139	struct drm_encoder *encoder);
080be03d	140	void (remove)(struct exynos_drm_display display);
080be03d SP	141	void (mode_fixup)(struct exynos_drm_display display,
	142	struct drm_connector *connector,
	143	const struct drm_display_mode *mode,
	144	struct drm_display_mode *adjusted_mode);
	145	void (mode_set)(struct exynos_drm_display display,
	146	struct drm_display_mode *mode);
	147	int (check_mode)(struct exynos_drm_display display,
	148	struct drm_display_mode *mode);
	149	void (dpms)(struct exynos_drm_display display, int mode);
	150	void (commit)(struct exynos_drm_display display);
	151	};
	152
	153	/*
	154	* Exynos drm display structure, maps 1:1 with an encoder/connector
	155	*
	156	* @list: the list entry for this manager
	157	* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
	158	* @encoder: encoder object this display maps to
	159	* @connector: connector object this display maps to
	160	* @ops: pointer to callbacks for exynos drm specific functionality
	161	* @ctx: A pointer to the display's implementation specific context
	162	*/
	163	struct exynos_drm_display {
	164	struct list_head list;
1c248b7d	165	enum exynos_drm_output_type type;
080be03d SP	166	struct drm_encoder *encoder;
	167	struct drm_connector *connector;
	168	struct exynos_drm_display_ops *ops;
	169	void *ctx;
1c248b7d ID	170	};
	171
	172	/*
	173	* Exynos drm manager ops
	174	*
1f9cafc3	175	* @initialize: initializes the manager with drm_dev
080be03d	176	* @remove: cleans up the manager for removal
ec05da95	177	* @dpms: control device power.
4b405269	178	* @mode_fixup: fix mode data before applying it
cd706aa8	179	* @mode_set: set the given mode to the manager
1c248b7d ID	180	* @commit: set current hw specific display mode to hw.
	181	* @enable_vblank: specific driver callback for enabling vblank interrupt.
	182	* @disable_vblank: specific driver callback for disabling vblank interrupt.
f74085a9 P	183	* @wait_for_vblank: wait for vblank interrupt to make sure that
f74085a9 P	184	* hardware overlay is updated.
1c6244c3 SP	185	* @win_mode_set: copy drm overlay info to hw specific overlay info.
	186	* @win_commit: apply hardware specific overlay data to registers.
	187	* @win_enable: enable hardware specific overlay.
	188	* @win_disable: disable hardware specific overlay.
1c248b7d	189	*/
bb7704d6	190	struct exynos_drm_manager;
1c248b7d	191	struct exynos_drm_manager_ops {
bb7704d6	192	int (initialize)(struct exynos_drm_manager mgr,
080be03d SP	193	struct drm_device *drm_dev, int pipe);
080be03d SP	194	void (remove)(struct exynos_drm_manager mgr);
bb7704d6	195	void (dpms)(struct exynos_drm_manager mgr, int mode);
4b405269 SP	196	bool (mode_fixup)(struct exynos_drm_manager mgr,
	197	const struct drm_display_mode *mode,
	198	struct drm_display_mode *adjusted_mode);
cd706aa8 SP	199	void (mode_set)(struct exynos_drm_manager mgr,
cd706aa8 SP	200	const struct drm_display_mode *mode);
bb7704d6 SP	201	void (commit)(struct exynos_drm_manager mgr);
	202	int (enable_vblank)(struct exynos_drm_manager mgr);
	203	void (disable_vblank)(struct exynos_drm_manager mgr);
	204	void (wait_for_vblank)(struct exynos_drm_manager mgr);
	205	void (win_mode_set)(struct exynos_drm_manager mgr,
1c6244c3	206	struct exynos_drm_overlay *overlay);
bb7704d6 SP	207	void (win_commit)(struct exynos_drm_manager mgr, int zpos);
	208	void (win_enable)(struct exynos_drm_manager mgr, int zpos);
	209	void (win_disable)(struct exynos_drm_manager mgr, int zpos);
1c248b7d ID	210	};
	211
	212	/*
080be03d	213	* Exynos drm common manager structure, maps 1:1 with a crtc
1c248b7d	214	*
080be03d SP	215	* @list: the list entry for this manager
	216	* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
	217	* @drm_dev: pointer to the drm device
	218	* @pipe: the pipe number for this crtc/manager
	219	* @ops: pointer to callbacks for exynos drm specific functionality
bb7704d6	220	* @ctx: A pointer to the manager's implementation specific context
1c248b7d ID	221	*/
1c248b7d ID	222	struct exynos_drm_manager {
080be03d SP	223	struct list_head list;
	224	enum exynos_drm_output_type type;
	225	struct drm_device *drm_dev;
1c248b7d ID	226	int pipe;
1c248b7d ID	227	struct exynos_drm_manager_ops *ops;
bb7704d6	228	void *ctx;
1c248b7d ID	229	};
1c248b7d ID	230
d7f1642c JS	231	struct exynos_drm_g2d_private {
	232	struct device *dev;
	233	struct list_head inuse_cmdlist;
	234	struct list_head event_list;
2a3098ff	235	struct list_head userptr_list;
d7f1642c JS	236	};
d7f1642c JS	237
cb471f14 EK	238	struct exynos_drm_ipp_private {
	239	struct device *dev;
	240	struct list_head event_list;
	241	};
	242
d7f1642c JS	243	struct drm_exynos_file_private {
d7f1642c JS	244	struct exynos_drm_g2d_private *g2d_priv;
cb471f14	245	struct exynos_drm_ipp_private *ipp_priv;
96f54215	246	struct file *anon_filp;
d7f1642c JS	247	};
d7f1642c JS	248
1c248b7d ID	249	/*
1c248b7d ID	250	* Exynos drm private structure.
0519f9a1 ID	251	*
	252	* @da_start: start address to device address space.
	253	* with iommu, device address space starts from this address
	254	* otherwise default one.
	255	* @da_space_size: size of device address space.
	256	* if 0 then default value is used for it.
	257	* @da_space_order: order to device address space.
1c248b7d ID	258	*/
	259	struct exynos_drm_private {
	260	struct drm_fb_helper *fb_helper;
	261
ccf4d883	262	/* list head for new event to be added. */
1c248b7d	263	struct list_head pageflip_event_list;
1c248b7d ID	264
	265	/*
	266	* created crtc object would be contained at this array and
	267	* this array is used to be aware of which crtc did it request vblank.
	268	*/
	269	struct drm_crtc *crtc[MAX_CRTC];
00ae67cf	270	struct drm_property *plane_zpos_property;
3b8d1cf8	271	struct drm_property *crtc_mode_property;
0519f9a1 ID	272
	273	unsigned long da_start;
	274	unsigned long da_space_size;
	275	unsigned long da_space_order;
1c248b7d ID	276	};
	277
	278	/*
	279	* Exynos drm sub driver structure.
	280	*
	281	* @list: sub driver has its own list object to register to exynos drm driver.
677e84c1	282	* @dev: pointer to device object for subdrv device driver.
1c248b7d ID	283	* @drm_dev: pointer to drm_device and this pointer would be set
1c248b7d ID	284	* when sub driver calls exynos_drm_subdrv_register().
677e84c1 JS	285	* @manager: subdrv has its own manager to control a hardware appropriately
677e84c1 JS	286	* and we can access a hardware drawing on this manager.
1c248b7d ID	287	* @probe: this callback would be called by exynos drm driver after
	288	* subdrv is registered to it.
	289	* @remove: this callback is used to release resources created
	290	* by probe callback.
9084f7b8 JS	291	* @open: this would be called with drm device file open.
9084f7b8 JS	292	* @close: this would be called with drm device file close.
1c248b7d ID	293	*/
	294	struct exynos_drm_subdrv {
	295	struct list_head list;
677e84c1	296	struct device *dev;
1c248b7d ID	297	struct drm_device *drm_dev;
1c248b7d ID	298
41c24346	299	int (probe)(struct drm_device drm_dev, struct device *dev);
29cb6025	300	void (remove)(struct drm_device drm_dev, struct device *dev);
9084f7b8 JS	301	int (open)(struct drm_device drm_dev, struct device *dev,
	302	struct drm_file *file);
	303	void (close)(struct drm_device drm_dev, struct device *dev,
	304	struct drm_file *file);
1c248b7d ID	305	};
	306
	307	/*
	308	* this function calls a probe callback registered to sub driver list and
	309	* create its own encoder and connector and then set drm_device object
	310	* to global one.
	311	*/
	312	int exynos_drm_device_register(struct drm_device *dev);
	313	/*
	314	* this function calls a remove callback registered to sub driver list and
	315	* destroy its own encoder and connetor.
	316	*/
	317	int exynos_drm_device_unregister(struct drm_device *dev);
	318
080be03d SP	319	int exynos_drm_initialize_managers(struct drm_device *dev);
	320	void exynos_drm_remove_managers(struct drm_device *dev);
	321	int exynos_drm_initialize_displays(struct drm_device *dev);
	322	void exynos_drm_remove_displays(struct drm_device *dev);
	323
	324	int exynos_drm_manager_register(struct exynos_drm_manager *manager);
	325	int exynos_drm_manager_unregister(struct exynos_drm_manager *manager);
	326	int exynos_drm_display_register(struct exynos_drm_display *display);
	327	int exynos_drm_display_unregister(struct exynos_drm_display *display);
	328
1c248b7d ID	329	/*
	330	* this function would be called by sub drivers such as display controller
	331	* or hdmi driver to register this sub driver object to exynos drm driver
	332	* and when a sub driver is registered to exynos drm driver a probe callback
132a5b91	333	* of the sub driver is called and creates its own encoder and connector.
1c248b7d ID	334	*/
	335	int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv);
	336
132a5b91	337	/* this function removes subdrv list from exynos drm driver */
1c248b7d ID	338	int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);
1c248b7d ID	339
9084f7b8 JS	340	int exynos_drm_subdrv_open(struct drm_device dev, struct drm_file file);
	341	void exynos_drm_subdrv_close(struct drm_device dev, struct drm_file file);
	342
ae9dace2 RS	343	/*
	344	* this function registers exynos drm hdmi platform device. It ensures only one
	345	* instance of the device is created.
	346	*/
0f6f9592	347	int exynos_platform_device_hdmi_register(void);
ae9dace2 RS	348
	349	/*
	350	* this function unregisters exynos drm hdmi platform device if it exists.
	351	*/
	352	void exynos_platform_device_hdmi_unregister(void);
	353
43f41900 SWK	354	/*
	355	* this function registers exynos drm ipp platform device.
	356	*/
	357	int exynos_platform_device_ipp_register(void);
	358
	359	/*
	360	* this function unregisters exynos drm ipp platform device if it exists.
	361	*/
	362	void exynos_platform_device_ipp_unregister(void);
	363
1417f109	364	extern struct platform_driver dp_driver;
132a5b91 JS	365	extern struct platform_driver fimd_driver;
	366	extern struct platform_driver hdmi_driver;
	367	extern struct platform_driver mixer_driver;
	368	extern struct platform_driver exynos_drm_common_hdmi_driver;
b73d1230	369	extern struct platform_driver vidi_driver;
d7f1642c	370	extern struct platform_driver g2d_driver;
16102edb	371	extern struct platform_driver fimc_driver;
bea8a429	372	extern struct platform_driver rotator_driver;
f2646380	373	extern struct platform_driver gsc_driver;
cb471f14	374	extern struct platform_driver ipp_driver;
1c248b7d	375	#endif