include/drm/exynos_drm.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /* exynos_drm.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_H_
 #define _EXYNOS_DRM_H_

 #include "drm.h"

 /**
  * User-desired buffer creation information structure.
  *
  * @size: user-desired memory allocation size.
  *	- this size value would be page-aligned internally.
  * @flags: user request for setting memory type or cache attributes.
  * @handle: returned a handle to created gem object.
  *	- this handle will be set by gem module of kernel side.
  */
 struct drm_exynos_gem_create {
 	uint64_t size;
 	unsigned int flags;
 	unsigned int handle;
 };

 /**
  * A structure for getting buffer offset.
  *
  * @handle: a pointer to gem object created.
  * @pad: just padding to be 64-bit aligned.
  * @offset: relatived offset value of the memory region allocated.
  *	- this value should be set by user.
  */
 struct drm_exynos_gem_map_off {
 	unsigned int handle;
 	unsigned int pad;
 	uint64_t offset;
 };

 /**
  * A structure for mapping buffer.
  *
  * @handle: a handle to gem object created.
  * @size: memory size to be mapped.
  * @mapped: having user virtual address mmaped.
  *	- this variable would be filled by exynos gem module
  *	of kernel side with user virtual address which is allocated
  *	by do_mmap().
  */
 struct drm_exynos_gem_mmap {
 	unsigned int handle;
 	unsigned int size;
 	uint64_t mapped;
 };

 /**
  * A structure to gem information.
  *
  * @handle: a handle to gem object created.
  * @flags: flag value including memory type and cache attribute and
  *	this value would be set by driver.
  * @size: size to memory region allocated by gem and this size would
  *	be set by driver.
  */
 struct drm_exynos_gem_info {
 	unsigned int handle;
 	unsigned int flags;
 	uint64_t size;
 };

 /**
  * A structure for user connection request of virtual display.
  *
  * @connection: indicate whether doing connetion or not by user.
  * @extensions: if this value is 1 then the vidi driver would need additional
  *	128bytes edid data.
  * @edid: the edid data pointer from user side.
  */
 struct drm_exynos_vidi_connection {
 	unsigned int connection;
 	unsigned int extensions;
 	uint64_t edid;
 };

 struct drm_exynos_plane_set_zpos {
 	__u32 plane_id;
 	__s32 zpos;
 };

 /* memory type definitions. */
 enum e_drm_exynos_gem_mem_type {
 	/* Physically Continuous memory and used as default. */
 	EXYNOS_BO_CONTIG	= 0 << 0,
 	/* Physically Non-Continuous memory. */
 	EXYNOS_BO_NONCONTIG	= 1 << 0,
 	/* non-cachable mapping and used as default. */
 	EXYNOS_BO_NONCACHABLE	= 0 << 1,
 	/* cachable mapping. */
 	EXYNOS_BO_CACHABLE	= 1 << 1,
 	/* write-combine mapping. */
 	EXYNOS_BO_WC		= 1 << 2,
 	EXYNOS_BO_MASK		= EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
 					EXYNOS_BO_WC
 };

 struct drm_exynos_g2d_get_ver {
 	__u32	major;
 	__u32	minor;
 };

 struct drm_exynos_g2d_cmd {
 	__u32	offset;
 	__u32	data;
 };

 enum drm_exynos_g2d_event_type {
 	G2D_EVENT_NOT,
 	G2D_EVENT_NONSTOP,
 	G2D_EVENT_STOP,		/* not yet */
 };

 struct drm_exynos_g2d_set_cmdlist {
 	__u64					cmd;
 	__u64					cmd_gem;
 	__u32					cmd_nr;
 	__u32					cmd_gem_nr;

 	/* for g2d event */
 	__u64					event_type;
 	__u64					user_data;
 };

 struct drm_exynos_g2d_exec {
 	__u64					async;
 };

 #define DRM_EXYNOS_GEM_CREATE		0x00
 #define DRM_EXYNOS_GEM_MAP_OFFSET	0x01
 #define DRM_EXYNOS_GEM_MMAP		0x02
 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
 #define DRM_EXYNOS_GEM_GET		0x04
 #define DRM_EXYNOS_PLANE_SET_ZPOS	0x06
 #define DRM_EXYNOS_VIDI_CONNECTION	0x07

 /* G2D */
 #define DRM_EXYNOS_G2D_GET_VER		0x20
 #define DRM_EXYNOS_G2D_SET_CMDLIST	0x21
 #define DRM_EXYNOS_G2D_EXEC		0x22

 #define DRM_IOCTL_EXYNOS_GEM_CREATE		DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)

 #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)

 #define DRM_IOCTL_EXYNOS_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)

 #define DRM_IOCTL_EXYNOS_GEM_GET	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_GEM_GET,	struct drm_exynos_gem_info)

 #define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)

 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)

 #define DRM_IOCTL_EXYNOS_G2D_GET_VER		DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
 #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST	DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
 #define DRM_IOCTL_EXYNOS_G2D_EXEC		DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)

 /* EXYNOS specific events */
 #define DRM_EXYNOS_G2D_EVENT		0x80000000

 struct drm_exynos_g2d_event {
 	struct drm_event	base;
 	__u64			user_data;
 	__u32			tv_sec;
 	__u32			tv_usec;
 	__u32			cmdlist_no;
 	__u32			reserved;
 };

 #ifdef __KERNEL__

 /**
  * A structure for lcd panel information.
  *
  * @timing: default video mode for initializing
  * @width_mm: physical size of lcd width.
  * @height_mm: physical size of lcd height.
  */
 struct exynos_drm_panel_info {
 	struct fb_videomode timing;
 	u32 width_mm;
 	u32 height_mm;
 };

 /**
  * Platform Specific Structure for DRM based FIMD.
  *
  * @panel: default panel info for initializing
  * @default_win: default window layer number to be used for UI.
  * @bpp: default bit per pixel.
  */
 struct exynos_drm_fimd_pdata {
 	struct exynos_drm_panel_info panel;
 	u32				vidcon0;
 	u32				vidcon1;
 	unsigned int			default_win;
 	unsigned int			bpp;
 };

 /**
  * Platform Specific Structure for DRM based HDMI.
  *
  * @hdmi_dev: device point to specific hdmi driver.
  * @mixer_dev: device point to specific mixer driver.
  *
  * this structure is used for common hdmi driver and each device object
  * would be used to access specific device driver(hdmi or mixer driver)
  */
 struct exynos_drm_common_hdmi_pd {
 	struct device *hdmi_dev;
 	struct device *mixer_dev;
 };

 /**
  * Platform Specific Structure for DRM based HDMI core.
  *
  * @is_v13: set if hdmi version 13 is.
  * @cfg_hpd: function pointer to configure hdmi hotplug detection pin
  * @get_hpd: function pointer to get value of hdmi hotplug detection pin
  */
 struct exynos_drm_hdmi_pdata {
 	bool is_v13;
 	void (*cfg_hpd)(bool external);
 	int (*get_hpd)(void);
 };

 #endif	/* __KERNEL__ */
 #endif	/* _EXYNOS_DRM_H_ */
	/* exynos_drm.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_H_
	#define _EXYNOS_DRM_H_

	#include "drm.h"

	/**
	* User-desired buffer creation information structure.
	*
	* @size: user-desired memory allocation size.
	* - this size value would be page-aligned internally.
	* @flags: user request for setting memory type or cache attributes.
	* @handle: returned a handle to created gem object.
	* - this handle will be set by gem module of kernel side.
	*/
	struct drm_exynos_gem_create {
	uint64_t size;
	unsigned int flags;
	unsigned int handle;
	};

	/**
	* A structure for getting buffer offset.
	*
	* @handle: a pointer to gem object created.
	* @pad: just padding to be 64-bit aligned.
	* @offset: relatived offset value of the memory region allocated.
	* - this value should be set by user.
	*/
	struct drm_exynos_gem_map_off {
	unsigned int handle;
	unsigned int pad;
	uint64_t offset;
	};

	/**
	* A structure for mapping buffer.
	*
	* @handle: a handle to gem object created.
	* @size: memory size to be mapped.
	* @mapped: having user virtual address mmaped.
	* - this variable would be filled by exynos gem module
	* of kernel side with user virtual address which is allocated
	* by do_mmap().
	*/
	struct drm_exynos_gem_mmap {
	unsigned int handle;
	unsigned int size;
	uint64_t mapped;
	};

	/**
	* A structure to gem information.
	*
	* @handle: a handle to gem object created.
	* @flags: flag value including memory type and cache attribute and
	* this value would be set by driver.
	* @size: size to memory region allocated by gem and this size would
	* be set by driver.
	*/
	struct drm_exynos_gem_info {
	unsigned int handle;
	unsigned int flags;
	uint64_t size;
	};

	/**
	* A structure for user connection request of virtual display.
	*
	* @connection: indicate whether doing connetion or not by user.
	* @extensions: if this value is 1 then the vidi driver would need additional
	* 128bytes edid data.
	* @edid: the edid data pointer from user side.
	*/
	struct drm_exynos_vidi_connection {
	unsigned int connection;
	unsigned int extensions;
	uint64_t edid;
	};

	struct drm_exynos_plane_set_zpos {
	__u32 plane_id;
	__s32 zpos;
	};

	/* memory type definitions. */
	enum e_drm_exynos_gem_mem_type {
	/* Physically Continuous memory and used as default. */
	EXYNOS_BO_CONTIG = 0 << 0,
	/* Physically Non-Continuous memory. */
	EXYNOS_BO_NONCONTIG = 1 << 0,
	/* non-cachable mapping and used as default. */
	EXYNOS_BO_NONCACHABLE = 0 << 1,
	/* cachable mapping. */
	EXYNOS_BO_CACHABLE = 1 << 1,
	/* write-combine mapping. */
	EXYNOS_BO_WC = 1 << 2,
	EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG \| EXYNOS_BO_CACHABLE \|
	EXYNOS_BO_WC
	};

	struct drm_exynos_g2d_get_ver {
	__u32 major;
	__u32 minor;
	};

	struct drm_exynos_g2d_cmd {
	__u32 offset;
	__u32 data;
	};

	enum drm_exynos_g2d_event_type {
	G2D_EVENT_NOT,
	G2D_EVENT_NONSTOP,
	G2D_EVENT_STOP, /* not yet */
	};

	struct drm_exynos_g2d_set_cmdlist {
	__u64 cmd;
	__u64 cmd_gem;
	__u32 cmd_nr;
	__u32 cmd_gem_nr;

	/* for g2d event */
	__u64 event_type;
	__u64 user_data;
	};

	struct drm_exynos_g2d_exec {
	__u64 async;
	};

	#define DRM_EXYNOS_GEM_CREATE 0x00
	#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
	#define DRM_EXYNOS_GEM_MMAP 0x02
	/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
	#define DRM_EXYNOS_GEM_GET 0x04
	#define DRM_EXYNOS_PLANE_SET_ZPOS 0x06
	#define DRM_EXYNOS_VIDI_CONNECTION 0x07

	/* G2D */
	#define DRM_EXYNOS_G2D_GET_VER 0x20
	#define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
	#define DRM_EXYNOS_G2D_EXEC 0x22

	#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)

	#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)

	#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)

	#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)

	#define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)

	#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)

	#define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
	#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
	#define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
	DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)

	/* EXYNOS specific events */
	#define DRM_EXYNOS_G2D_EVENT 0x80000000

	struct drm_exynos_g2d_event {
	struct drm_event base;
	__u64 user_data;
	__u32 tv_sec;
	__u32 tv_usec;
	__u32 cmdlist_no;
	__u32 reserved;
	};

	#ifdef __KERNEL__

	/**
	* A structure for lcd panel information.
	*
	* @timing: default video mode for initializing
	* @width_mm: physical size of lcd width.
	* @height_mm: physical size of lcd height.
	*/
	struct exynos_drm_panel_info {
	struct fb_videomode timing;
	u32 width_mm;
	u32 height_mm;
	};

	/**
	* Platform Specific Structure for DRM based FIMD.
	*
	* @panel: default panel info for initializing
	* @default_win: default window layer number to be used for UI.
	* @bpp: default bit per pixel.
	*/
	struct exynos_drm_fimd_pdata {
	struct exynos_drm_panel_info panel;
	u32 vidcon0;
	u32 vidcon1;
	unsigned int default_win;
	unsigned int bpp;
	};

	/**
	* Platform Specific Structure for DRM based HDMI.
	*
	* @hdmi_dev: device point to specific hdmi driver.
	* @mixer_dev: device point to specific mixer driver.
	*
	* this structure is used for common hdmi driver and each device object
	* would be used to access specific device driver(hdmi or mixer driver)
	*/
	struct exynos_drm_common_hdmi_pd {
	struct device *hdmi_dev;
	struct device *mixer_dev;
	};

	/**
	* Platform Specific Structure for DRM based HDMI core.
	*
	* @is_v13: set if hdmi version 13 is.
	* @cfg_hpd: function pointer to configure hdmi hotplug detection pin
	* @get_hpd: function pointer to get value of hdmi hotplug detection pin
	*/
	struct exynos_drm_hdmi_pdata {
	bool is_v13;
	void (*cfg_hpd)(bool external);
	int (*get_hpd)(void);
	};

	#endif /* __KERNEL__ */
	#endif /* _EXYNOS_DRM_H_ */