[deliverable/linux.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>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _EXYNOS_DRM_DRV_H_
#define _EXYNOS_DRM_DRV_H_

#include <linux/module.h>
#include "drm.h"

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

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 overlay ops structure.
 *
 * @mode_set: copy drm overlay info to hw specific overlay info.
 * @commit: apply hardware specific overlay data to registers.
 * @enable: enable hardware specific overlay.
 * @disable: disable hardware specific overlay.
 */
struct exynos_drm_overlay_ops {
	void (*mode_set)(struct device *subdrv_dev,
			 struct exynos_drm_overlay *overlay);
	void (*commit)(struct device *subdrv_dev, int zpos);
	void (*enable)(struct device *subdrv_dev, int zpos);
	void (*disable)(struct device *subdrv_dev, int zpos);
};

/*
 * 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.
 * @vaddr: array of virtual memory addresss to this 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];
	void __iomem *vaddr[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.
 *
 * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
 * @is_connected: check for that display is connected or not.
 * @get_edid: get edid modes from display driver.
 * @get_panel: get panel object from display driver.
 * @check_timing: check if timing is valid or not.
 * @power_on: display device on or off.
 */
struct exynos_drm_display_ops {
	enum exynos_drm_output_type type;
	bool (*is_connected)(struct device *dev);
	int (*get_edid)(struct device *dev, struct drm_connector *connector,
				u8 *edid, int len);
	void *(*get_panel)(struct device *dev);
	int (*check_timing)(struct device *dev, void *timing);
	int (*power_on)(struct device *dev, int mode);
};

/*
 * Exynos drm manager ops
 *
 * @dpms: control device power.
 * @apply: set timing, vblank and overlay data to registers.
 * @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().
 * @get_max_resol: get maximum resolution to specific hardware.
 * @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.
 */
struct exynos_drm_manager_ops {
	void (*dpms)(struct device *subdrv_dev, int mode);
	void (*apply)(struct device *subdrv_dev);
	void (*mode_fixup)(struct device *subdrv_dev,
				struct drm_connector *connector,
				const struct drm_display_mode *mode,
				struct drm_display_mode *adjusted_mode);
	void (*mode_set)(struct device *subdrv_dev, void *mode);
	void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width,
				unsigned int *height);
	void (*commit)(struct device *subdrv_dev);
	int (*enable_vblank)(struct device *subdrv_dev);
	void (*disable_vblank)(struct device *subdrv_dev);
};

/*
 * Exynos drm common manager structure.
 *
 * @dev: pointer to device object for subdrv device driver.
 *	sub drivers such as display controller or hdmi driver,
 *	have their own device object.
 * @ops: pointer to callbacks for exynos drm specific framebuffer.
 *	these callbacks should be set by specific drivers such fimd
 *	or hdmi driver and are used to control hardware global registers.
 * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
 *	these callbacks should be set by specific drivers such fimd
 *	or hdmi driver and are used to control hardware overlay reigsters.
 * @display: pointer to callbacks for exynos drm specific framebuffer.
 *	these callbacks should be set by specific drivers such fimd
 *	or hdmi driver and are used to control display devices such as
 *	analog tv, digital tv and lcd panel and also get timing data for them.
 */
struct exynos_drm_manager {
	struct device *dev;
	int pipe;
	struct exynos_drm_manager_ops *ops;
	struct exynos_drm_overlay_ops *overlay_ops;
	struct exynos_drm_display_ops *display_ops;
};

struct exynos_drm_g2d_private {
	struct device		*dev;
	struct list_head	inuse_cmdlist;
	struct list_head	event_list;
	struct list_head	gem_list;
	unsigned int		gem_nr;
};

struct drm_exynos_file_private {
	struct exynos_drm_g2d_private	*g2d_priv;
};

/*
 * Exynos drm private structure.
 */
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;
};

/*
 * 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.
 * @encoder: encoder object owned by this sub driver.
 * @connector: connector object owned by this sub driver.
 */
struct exynos_drm_subdrv {
	struct list_head list;
	struct device *dev;
	struct drm_device *drm_dev;
	struct exynos_drm_manager *manager;

	int (*probe)(struct drm_device *drm_dev, struct device *dev);
	void (*remove)(struct drm_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);

	struct drm_encoder *encoder;
	struct drm_connector *connector;
};

/*
 * 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);

/*
 * 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);

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;
#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	*
	9	* Permission is hereby granted, free of charge, to any person obtaining a
	10	* copy of this software and associated documentation files (the "Software"),
	11	* to deal in the Software without restriction, including without limitation
	12	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	13	* and/or sell copies of the Software, and to permit persons to whom the
	14	* Software is furnished to do so, subject to the following conditions:
	15	*
	16	* The above copyright notice and this permission notice (including the next
	17	* paragraph) shall be included in all copies or substantial portions of the
	18	* Software.
	19	*
	20	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	21	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	23	* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	24	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	25	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	26	* OTHER DEALINGS IN THE SOFTWARE.
	27	*/
	28
	29	#ifndef _EXYNOS_DRM_DRV_H_
	30	#define _EXYNOS_DRM_DRV_H_
	31
4f9eb94f	32	#include <linux/module.h>
1c248b7d ID	33	#include "drm.h"
1c248b7d ID	34
b73d1230	35	#define MAX_CRTC 3
864ee9e6	36	#define MAX_PLANE 5
b73d1230	37	#define MAX_FB_BUFFER 4
864ee9e6	38	#define DEFAULT_ZPOS -1
1c248b7d ID	39
	40	struct drm_device;
	41	struct exynos_drm_overlay;
	42	struct drm_connector;
	43
52c68814 ID	44	extern unsigned int drm_vblank_offdelay;
52c68814 ID	45
1c248b7d ID	46	/* this enumerates display type. */
	47	enum exynos_drm_output_type {
	48	EXYNOS_DISPLAY_TYPE_NONE,
	49	/* RGB or CPU Interface. */
	50	EXYNOS_DISPLAY_TYPE_LCD,
	51	/* HDMI Interface. */
	52	EXYNOS_DISPLAY_TYPE_HDMI,
b73d1230 ID	53	/* Virtual Display Interface. */
b73d1230 ID	54	EXYNOS_DISPLAY_TYPE_VIDI,
1c248b7d ID	55	};
	56
	57	/*
	58	* Exynos drm overlay ops structure.
	59	*
	60	* @mode_set: copy drm overlay info to hw specific overlay info.
	61	* @commit: apply hardware specific overlay data to registers.
cf5188ac	62	* @enable: enable hardware specific overlay.
1c248b7d ID	63	* @disable: disable hardware specific overlay.
	64	*/
	65	struct exynos_drm_overlay_ops {
	66	void (mode_set)(struct device subdrv_dev,
	67	struct exynos_drm_overlay *overlay);
864ee9e6	68	void (commit)(struct device subdrv_dev, int zpos);
cf5188ac	69	void (enable)(struct device subdrv_dev, int zpos);
864ee9e6	70	void (disable)(struct device subdrv_dev, int zpos);
1c248b7d ID	71	};
	72
	73	/*
	74	* Exynos drm common overlay structure.
	75	*
19c8b834 ID	76	* @fb_x: offset x on a framebuffer to be displayed.
	77	* - the unit is screen coordinates.
	78	* @fb_y: offset y on a framebuffer to be displayed.
	79	* - the unit is screen coordinates.
	80	* @fb_width: width of a framebuffer.
	81	* @fb_height: height of a framebuffer.
0d8071ee SWK	82	* @src_width: width of a partial image to be displayed from framebuffer.
0d8071ee SWK	83	* @src_height: height of a partial image to be displayed from framebuffer.
19c8b834 ID	84	* @crtc_x: offset x on hardware screen.
	85	* @crtc_y: offset y on hardware screen.
	86	* @crtc_width: window width to be displayed (hardware screen).
	87	* @crtc_height: window height to be displayed (hardware screen).
	88	* @mode_width: width of screen mode.
	89	* @mode_height: height of screen mode.
	90	* @refresh: refresh rate.
	91	* @scan_flag: interlace or progressive way.
	92	* (it could be DRM_MODE_FLAG_*)
1c248b7d	93	* @bpp: pixel size.(in bit)
229d3534 SWK	94	* @pixel_format: fourcc pixel format of this overlay
	95	* @dma_addr: array of bus(accessed by dma) address to the memory region
	96	* allocated for a overlay.
	97	* @vaddr: array of virtual memory addresss to this overlay.
864ee9e6	98	* @zpos: order of overlay layer(z position).
1c248b7d ID	99	* @default_win: a window to be enabled.
	100	* @color_key: color key on or off.
	101	* @index_color: if using color key feature then this value would be used
	102	* as index color.
	103	* @local_path: in case of lcd type, local path mode on or off.
	104	* @transparency: transparency on or off.
	105	* @activated: activated or not.
	106	*
	107	* this structure is common to exynos SoC and its contents would be copied
	108	* to hardware specific overlay info.
	109	*/
	110	struct exynos_drm_overlay {
19c8b834 ID	111	unsigned int fb_x;
	112	unsigned int fb_y;
	113	unsigned int fb_width;
	114	unsigned int fb_height;
0d8071ee SWK	115	unsigned int src_width;
0d8071ee SWK	116	unsigned int src_height;
19c8b834 ID	117	unsigned int crtc_x;
	118	unsigned int crtc_y;
	119	unsigned int crtc_width;
	120	unsigned int crtc_height;
	121	unsigned int mode_width;
	122	unsigned int mode_height;
	123	unsigned int refresh;
	124	unsigned int scan_flag;
1c248b7d	125	unsigned int bpp;
19c8b834	126	unsigned int pitch;
229d3534 SWK	127	uint32_t pixel_format;
	128	dma_addr_t dma_addr[MAX_FB_BUFFER];
	129	void __iomem *vaddr[MAX_FB_BUFFER];
864ee9e6	130	int zpos;
1c248b7d ID	131
	132	bool default_win;
	133	bool color_key;
	134	unsigned int index_color;
	135	bool local_path;
	136	bool transparency;
	137	bool activated;
	138	};
	139
	140	/*
	141	* Exynos DRM Display Structure.
	142	* - this structure is common to analog tv, digital tv and lcd panel.
	143	*
a88cab2b	144	* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
1c248b7d ID	145	* @is_connected: check for that display is connected or not.
1c248b7d ID	146	* @get_edid: get edid modes from display driver.
607c50d4	147	* @get_panel: get panel object from display driver.
1c248b7d ID	148	* @check_timing: check if timing is valid or not.
	149	* @power_on: display device on or off.
	150	*/
74ccc539	151	struct exynos_drm_display_ops {
1c248b7d ID	152	enum exynos_drm_output_type type;
	153	bool (is_connected)(struct device dev);
	154	int (get_edid)(struct device dev, struct drm_connector *connector,
	155	u8 *edid, int len);
607c50d4	156	void (get_panel)(struct device *dev);
1c248b7d ID	157	int (check_timing)(struct device dev, void *timing);
	158	int (power_on)(struct device dev, int mode);
	159	};
	160
	161	/*
	162	* Exynos drm manager ops
	163	*
ec05da95 ID	164	* @dpms: control device power.
ec05da95 ID	165	* @apply: set timing, vblank and overlay data to registers.
1de425b0	166	* @mode_fixup: fix mode data comparing to hw specific display mode.
1c248b7d ID	167	* @mode_set: convert drm_display_mode to hw specific display mode and
1c248b7d ID	168	* would be called by encoder->mode_set().
1de425b0	169	* @get_max_resol: get maximum resolution to specific hardware.
1c248b7d ID	170	* @commit: set current hw specific display mode to hw.
	171	* @enable_vblank: specific driver callback for enabling vblank interrupt.
	172	* @disable_vblank: specific driver callback for disabling vblank interrupt.
	173	*/
	174	struct exynos_drm_manager_ops {
ec05da95 ID	175	void (dpms)(struct device subdrv_dev, int mode);
ec05da95 ID	176	void (apply)(struct device subdrv_dev);
1de425b0 ID	177	void (mode_fixup)(struct device subdrv_dev,
1de425b0 ID	178	struct drm_connector *connector,
e811f5ae	179	const struct drm_display_mode *mode,
1de425b0	180	struct drm_display_mode *adjusted_mode);
1c248b7d	181	void (mode_set)(struct device subdrv_dev, void *mode);
1de425b0 ID	182	void (get_max_resol)(struct device subdrv_dev, unsigned int *width,
1de425b0 ID	183	unsigned int *height);
1c248b7d ID	184	void (commit)(struct device subdrv_dev);
	185	int (enable_vblank)(struct device subdrv_dev);
	186	void (disable_vblank)(struct device subdrv_dev);
	187	};
	188
	189	/*
	190	* Exynos drm common manager structure.
	191	*
	192	* @dev: pointer to device object for subdrv device driver.
	193	* sub drivers such as display controller or hdmi driver,
	194	* have their own device object.
	195	* @ops: pointer to callbacks for exynos drm specific framebuffer.
	196	* these callbacks should be set by specific drivers such fimd
	197	* or hdmi driver and are used to control hardware global registers.
	198	* @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
	199	* these callbacks should be set by specific drivers such fimd
	200	* or hdmi driver and are used to control hardware overlay reigsters.
	201	* @display: pointer to callbacks for exynos drm specific framebuffer.
	202	* these callbacks should be set by specific drivers such fimd
	203	* or hdmi driver and are used to control display devices such as
	204	* analog tv, digital tv and lcd panel and also get timing data for them.
	205	*/
	206	struct exynos_drm_manager {
	207	struct device *dev;
	208	int pipe;
	209	struct exynos_drm_manager_ops *ops;
	210	struct exynos_drm_overlay_ops *overlay_ops;
74ccc539	211	struct exynos_drm_display_ops *display_ops;
1c248b7d ID	212	};
1c248b7d ID	213
d7f1642c JS	214	struct exynos_drm_g2d_private {
	215	struct device *dev;
	216	struct list_head inuse_cmdlist;
	217	struct list_head event_list;
	218	struct list_head gem_list;
	219	unsigned int gem_nr;
	220	};
	221
	222	struct drm_exynos_file_private {
	223	struct exynos_drm_g2d_private *g2d_priv;
	224	};
	225
1c248b7d ID	226	/*
	227	* Exynos drm private structure.
	228	*/
	229	struct exynos_drm_private {
	230	struct drm_fb_helper *fb_helper;
	231
ccf4d883	232	/* list head for new event to be added. */
1c248b7d	233	struct list_head pageflip_event_list;
1c248b7d ID	234
	235	/*
	236	* created crtc object would be contained at this array and
	237	* this array is used to be aware of which crtc did it request vblank.
	238	*/
	239	struct drm_crtc *crtc[MAX_CRTC];
00ae67cf	240	struct drm_property *plane_zpos_property;
3b8d1cf8	241	struct drm_property *crtc_mode_property;
1c248b7d ID	242	};
	243
	244	/*
	245	* Exynos drm sub driver structure.
	246	*
	247	* @list: sub driver has its own list object to register to exynos drm driver.
677e84c1	248	* @dev: pointer to device object for subdrv device driver.
1c248b7d ID	249	* @drm_dev: pointer to drm_device and this pointer would be set
1c248b7d ID	250	* when sub driver calls exynos_drm_subdrv_register().
677e84c1 JS	251	* @manager: subdrv has its own manager to control a hardware appropriately
677e84c1 JS	252	* and we can access a hardware drawing on this manager.
1c248b7d ID	253	* @probe: this callback would be called by exynos drm driver after
	254	* subdrv is registered to it.
	255	* @remove: this callback is used to release resources created
	256	* by probe callback.
9084f7b8 JS	257	* @open: this would be called with drm device file open.
9084f7b8 JS	258	* @close: this would be called with drm device file close.
1c248b7d ID	259	* @encoder: encoder object owned by this sub driver.
	260	* @connector: connector object owned by this sub driver.
	261	*/
	262	struct exynos_drm_subdrv {
	263	struct list_head list;
677e84c1	264	struct device *dev;
1c248b7d	265	struct drm_device *drm_dev;
677e84c1	266	struct exynos_drm_manager *manager;
1c248b7d	267
41c24346	268	int (probe)(struct drm_device drm_dev, struct device *dev);
1c248b7d	269	void (remove)(struct drm_device dev);
9084f7b8 JS	270	int (open)(struct drm_device drm_dev, struct device *dev,
	271	struct drm_file *file);
	272	void (close)(struct drm_device drm_dev, struct device *dev,
	273	struct drm_file *file);
1c248b7d	274
1c248b7d ID	275	struct drm_encoder *encoder;
	276	struct drm_connector *connector;
	277	};
	278
	279	/*
	280	* this function calls a probe callback registered to sub driver list and
	281	* create its own encoder and connector and then set drm_device object
	282	* to global one.
	283	*/
	284	int exynos_drm_device_register(struct drm_device *dev);
	285	/*
	286	* this function calls a remove callback registered to sub driver list and
	287	* destroy its own encoder and connetor.
	288	*/
	289	int exynos_drm_device_unregister(struct drm_device *dev);
	290
	291	/*
	292	* this function would be called by sub drivers such as display controller
	293	* or hdmi driver to register this sub driver object to exynos drm driver
	294	* and when a sub driver is registered to exynos drm driver a probe callback
132a5b91	295	* of the sub driver is called and creates its own encoder and connector.
1c248b7d ID	296	*/
	297	int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv);
	298
132a5b91	299	/* this function removes subdrv list from exynos drm driver */
1c248b7d ID	300	int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);
1c248b7d ID	301
9084f7b8 JS	302	int exynos_drm_subdrv_open(struct drm_device dev, struct drm_file file);
	303	void exynos_drm_subdrv_close(struct drm_device dev, struct drm_file file);
	304
132a5b91 JS	305	extern struct platform_driver fimd_driver;
	306	extern struct platform_driver hdmi_driver;
	307	extern struct platform_driver mixer_driver;
	308	extern struct platform_driver exynos_drm_common_hdmi_driver;
b73d1230	309	extern struct platform_driver vidi_driver;
d7f1642c	310	extern struct platform_driver g2d_driver;
1c248b7d	311	#endif