hostsidetests/security/securityPatch/CVE-2016-8448/mtkfb.h - platform/cts - Git at Google

 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 #ifndef __MTKFB_H
 #define __MTKFB_H

 #include <linux/types.h>
 #include "mtkfb_info.h"


 /**NOTICE:
  * Must be consistent with bionic/libc/kernel/linux/common/mtkfb.h
  */
 #define MTK_FB_NO_ION_FD                 ((int)(~0U>>1))
 #define MTK_FB_NO_USE_LAEYR_ID			 ((int)(~0U>>1))
 #define FBCAPS_GENERIC_MASK              (0x00000fff)
 #define FBCAPS_LCDC_MASK                 (0x00fff000)
 #define FBCAPS_PANEL_MASK                (0xff000000)
 #define FBCAPS_MANUAL_UPDATE             (0x00001000)
 #define FBCAPS_SET_BACKLIGHT             (0x01000000)
 #define MTKFB_ERROR_IS_EARLY_SUSPEND     (0x12000000)
 /* --------------------------------------------------------------------------- */
 /* IOCTL commands. */
 #define MTK_IOW(num, dtype)     _IOW('O', num, dtype)
 #define MTK_IOR(num, dtype)     _IOR('O', num, dtype)
 #define MTK_IOWR(num, dtype)    _IOWR('O', num, dtype)
 #define MTK_IO(num)             _IO('O', num)
 #define MTKFB_QUEUE_OVERLAY_CONFIG			MTK_IOW(137, struct fb_overlay_config)
 /* -------------------------------------------------------------------------- */
 #define MTKFB_SET_OVERLAY_LAYER                MTK_IOW(0, struct fb_overlay_layer)
 #define MTKFB_TRIG_OVERLAY_OUT                 MTK_IO(1)
 #define MTKFB_SET_VIDEO_LAYERS                 MTK_IOW(2, struct fb_overlay_layer)
 #define MTKFB_CAPTURE_FRAMEBUFFER              MTK_IOW(3, unsigned long)
 #define MTKFB_CONFIG_IMMEDIATE_UPDATE          MTK_IOW(4, unsigned long)
 #define MTKFB_SET_MULTIPLE_LAYERS              MTK_IOW(5, struct fb_overlay_layer)
 #define MTKFB_REGISTER_OVERLAYBUFFER           MTK_IOW(6, struct fb_overlay_buffer_info)
 #define MTKFB_UNREGISTER_OVERLAYBUFFER         MTK_IOW(7, unsigned int)
 #define MTKFB_SET_ORIENTATION                  MTK_IOW(8, unsigned long)
 #define MTKFB_FBLAYER_ENABLE                   MTK_IOW(9, unsigned int)
 #define MTKFB_LOCK_FRONT_BUFFER                MTK_IO(10)
 #define MTKFB_UNLOCK_FRONT_BUFFER              MTK_IO(11)
 #define MTKFB_POWERON				           MTK_IO(12)
 #define MTKFB_POWEROFF				           MTK_IO(13)

 /* Fence/Ion, OVL decoupling */
 #define MTKFB_PREPARE_OVERLAY_BUFFER           MTK_IOW(14, struct fb_overlay_buffer)

 /* S3D control */
 #define MTKFB_SET_COMPOSING3D                  MTK_IOW(15, unsigned long)
 #define MTKFB_SET_S3D_FTM		               MTK_IOW(16, unsigned long)

 /* FM De-sense for EM and Normal mode */
 #define MTKFB_GET_DEFAULT_UPDATESPEED          MTK_IOR(17, unsigned long)
 #define MTKFB_GET_CURR_UPDATESPEED             MTK_IOR(18, unsigned long)
 /* for EM, not called change writecycle because DPI change pll ckl */
 #define MTKFB_CHANGE_UPDATESPEED               MTK_IOW(19, unsigned long)
 #define MTKFB_GET_INTERFACE_TYPE               MTK_IOR(20, unsigned long)	/* /0 DBI, 1 DPI, 2 MIPI */
 #define MTKFB_GET_POWERSTATE		           MTK_IOR(21, unsigned long)	/* /0: power off  1: power on */
 #define MTKFB_GET_DISPLAY_IF_INFORMATION       MTK_IOR(22, mtk_dispif_info_t)
 /*called before SET_OVERLAY each time, if true, hwc will not use FB_LAYER again*/
 #define MTKFB_AEE_LAYER_EXIST                  MTK_IOR(23, unsigned long)
 #define MTKFB_GET_OVERLAY_LAYER_INFO           MTK_IOR(24, struct fb_overlay_layer_info)
 #define MTKFB_FACTORY_AUTO_TEST                MTK_IOR(25, unsigned long)
 #define MTKFB_GET_FRAMEBUFFER_MVA              MTK_IOR(26, unsigned int)
 #define MTKFB_SLT_AUTO_CAPTURE                 MTK_IOWR(27, struct fb_slt_catpure)

 /*error handling*/
 #define MTKFB_META_RESTORE_SCREEN              MTK_IOW(101, unsigned long)
 #define MTKFB_ERROR_INDEX_UPDATE_TIMEOUT       MTK_IO(103)
 #define MTKFB_ERROR_INDEX_UPDATE_TIMEOUT_AEE   MTK_IO(104)

 /*restore bootlogo and character in meta mode*/
 #define MTKFB_META_SHOW_BOOTLOGO               MTK_IO(105)

 /*Extension FB active option*/
 #define FB_ACTIVATE_NO_UPDATE  512       /* Skip frame update */
 /**
  * Just for mt6589 Platform
  * @{
  */
 #define MTKFB_GETVFRAMEPHYSICAL                MTK_IOW(41, unsigned long)
 #define MTKFB_WAIT_OVERLAY_READY               MTK_IO(42)
 #define MTKFB_GET_OVERLAY_LAYER_COUNT          MTK_IOR(43, unsigned long)
 #define MTKFB_GET_VIDEOLAYER_SIZE              MTK_IOR(44, struct fb_overlay_layer)
 #define MTKFB_CAPTURE_VIDEOBUFFER              MTK_IOW(45, unsigned long)

 /* -------------------------------------------------------------------------- */
 /* Video Playback Mode */
 #define MTKFB_TV_POST_VIDEO_BUFFER             MTK_IOW(46, unsigned long)
 #define MTKFB_TV_LEAVE_VIDEO_PLAYBACK_MODE     MTK_IOW(47, unsigned long)
 /* For Factory Mode */
 #define MTKFB_IS_TV_CABLE_PLUG_IN              MTK_IOW(48, unsigned long)

 /* -------------------------------------------------------------------------- */
 #define MTKFB_BOOTANIMATION			           MTK_IO(49)
 #define MTKFB_GETFPS			               MTK_IOW(50, unsigned long)
 #define MTKFB_VSYNC                            MTK_IO(51)

 /* ----------------------------------------------------------------------FM De-sense for EM and Normal mode */
 #define MTKFB_FM_NOTIFY_FREQ                   MTK_IOW(52, unsigned long)	/* for Normal mode */
 #define MTKFB_RESET_UPDATESPEED                MTK_IO(53)
 #define MTKFB_SET_UI_LAYER_ALPHA               MTK_IOW(54, unsigned long)
 #define MTKFB_SET_UI_LAYER_SRCKEY              MTK_IOW(55, unsigned long)

 #define MTKFB_GET_MAX_DISPLAY_COUNT		       MTK_IOR(56, unsigned int)
 #define MTKFB_SET_FB_LAYER_SECURE              MTK_IOW(57, int)
 /**
  * @}
  */
 /* ---------------------------------------------------------------------- */

 /* -------------------------------------------------------------------------- */

 typedef enum {
 	MTK_FB_ORIENTATION_0 = 0,
 	MTK_FB_ORIENTATION_90 = 1,
 	MTK_FB_ORIENTATION_180 = 2,
 	MTK_FB_ORIENTATION_270 = 3,
 } MTK_FB_ORIENTATION;


 typedef enum {
 	MTK_FB_TV_SYSTEM_NTSC = 0,
 	MTK_FB_TV_SYSTEM_PAL = 1,
 } MTK_FB_TV_SYSTEM;


 typedef enum {
 	MTK_FB_TV_FMT_RGB565 = 0,
 	MTK_FB_TV_FMT_YUV420_SEQ = 1,
 	MTK_FB_TV_FMT_UYUV422 = 2,
 	MTK_FB_TV_FMT_YUV420_BLK = 3,
 } MTK_FB_TV_SRC_FORMAT;

 typedef enum {
 	LAYER_NORMAL_BUFFER = 0,
 	LAYER_SECURE_BUFFER = 1,
 	LAYER_PROTECTED_BUFFER = 2,
 	LAYER_SECURE_BUFFER_WITH_ALIGN = 0x10001,	/* the higher 16 bits =1 for adding 64 bytes alignment */
 } MTK_FB_OVL_LAYER_SECURE_MODE;

 typedef struct _disp_dfo_item {
 	char name[32];
 	int value;
 } disp_dfo_item_t;

 /* -------------------------------------------------------------------------- */
 struct fb_slt_catpure {
 	MTK_FB_FORMAT format;

 	volatile char *outputBuffer;
 	unsigned int wdma_width;
 	unsigned int wdma_height;
 };

 struct fb_scale {
 	unsigned int xscale, yscale;
 };

 struct fb_frame_offset {
 	unsigned int idx;
 	unsigned long offset;
 };

 struct fb_update_window {
 	unsigned int x, y;
 	unsigned int width, height;
 };

 typedef enum {
 	LAYER_2D = 0,
 	LAYER_3D_SBS_0 = 0x1,
 	LAYER_3D_SBS_90 = 0x2,
 	LAYER_3D_SBS_180 = 0x3,
 	LAYER_3D_SBS_270 = 0x4,
 	LAYER_3D_TAB_0 = 0x10,
 	LAYER_3D_TAB_90 = 0x20,
 	LAYER_3D_TAB_180 = 0x30,
 	LAYER_3D_TAB_270 = 0x40,
 } MTK_FB_LAYER_TYPE;

 typedef enum {
 	DISP_DIRECT_LINK_MODE,
 	DISP_DECOUPLE_MODE
 } MTK_DISP_MODE;
 struct fb_overlay_mode {
 	MTK_DISP_MODE mode;
 };

 typedef enum {			/* map sessions to scenairos in kernel driver */
 	DISP_SESSION_LCM = 1 << 0,	/* DSI0 */
 	DISP_SESSION_MEM = 1 << 1,	/* OVL0->WDMA0 */
 /* Extension mode, Dst buf is provided by user,for Wifi Display or other purpose */
 	DISP_SESSION_WFD = 1 << 2,
 	DISP_SESSION_MHL = 1 << 3,	/* DPI */
 	DISP_SESSION_LCM1 = 1 << 4,	/* DSI1 */
 	DISP_SESSION_MEM1 = 1 << 5,	/* OVL1->WDMA1 */
 	/* TODO:can be extended with other Session Id */
 	SESSION_MASK = 0xff & ~(1 << 6)
 } MTK_DISP_SESSION;

 struct fb_overlay_session {
 	unsigned int session;	/* one or more @MTK_DISP_SESSION combined */
 };

 struct fb_overlay_decouple {
 	MTK_DISP_MODE mode;
 	unsigned int session;
 };
 struct fb_overlay_buffer {
 	/* Input */
 	int layer_id;
 	unsigned int layer_en;
 	int ion_fd;
 	unsigned int cache_sync;
 	/* Output */
 	unsigned int index;
 	int fence_fd;
 };

 struct fb_overlay_layer {
 	unsigned int layer_id;
 	unsigned int layer_enable;

 	void *src_base_addr;
 	void *src_phy_addr;
 	unsigned int src_direct_link;
 	MTK_FB_FORMAT src_fmt;
 	unsigned int src_use_color_key;
 	unsigned int src_color_key;
 	unsigned int src_pitch;
 	unsigned int src_offset_x, src_offset_y;
 	unsigned int src_width, src_height;

 	unsigned int tgt_offset_x, tgt_offset_y;
 	unsigned int tgt_width, tgt_height;
 	MTK_FB_ORIENTATION layer_rotation;
 	MTK_FB_LAYER_TYPE layer_type;
 	MTK_FB_ORIENTATION video_rotation;

 	unsigned int isTdshp;	/* set to 1, will go through tdshp first, then layer blending, then to color */

 	int next_buff_idx;
 	int identity;
 	int connected_type;
 	unsigned int security;
 	unsigned int alpha_enable;
 	unsigned int alpha;
 	int fence_fd;		/* 8135 */
 	int ion_fd;		/* 8135 CL 2340210 */
 };

 struct fb_overlay_config {
 	int fence;
 	int time;
 	struct fb_overlay_layer layers[4];
 };

 struct fb_overlay_buffer_info {
 	unsigned int src_vir_addr;
 	unsigned int size;
 };

 struct fb_overlay_layer_info {
 	unsigned int layer_id;
 	unsigned int layer_enabled;	/* TO BE DEL */
 	unsigned int curr_en;
 	unsigned int next_en;
 	unsigned int hw_en;
 	int curr_idx;
 	int next_idx;
 	int hw_idx;
 	int curr_identity;
 	int next_identity;
 	int hw_identity;
 	int curr_conn_type;
 	int next_conn_type;
 	int hw_conn_type;
 	MTK_FB_ORIENTATION layer_rotation;
 };
 /* -------------------------------------------------------------------------- */

 struct fb_post_video_buffer {
 	void *phy_addr;
 	void *vir_addr;
 	MTK_FB_TV_SRC_FORMAT format;
 	unsigned int width, height;
 };

 #if defined(CONFIG_ARCH_MT6735) || defined(CONFIG_ARCH_MT6735M) || defined(CONFIG_ARCH_MT6753)
 extern unsigned int EnableVSyncLog;

 void mtkfb_log_enable(int enable);
 int mtkfb_set_backlight_mode(unsigned int mode);
 int mtkfb_set_backlight_level(unsigned int level);
 int mtkfb_get_debug_state(char *stringbuf, int buf_len);
 unsigned int mtkfb_fm_auto_test(void);
 void mtkfb_clear_lcm(void);
 #endif /* CONFIG_ARCH_MT6735 */

 #ifdef __KERNEL__

 #include <linux/completion.h>
 #include <linux/interrupt.h>
 #include <linux/workqueue.h>
 #include <linux/version.h>
 #include <../drivers/staging/android/sw_sync.h>


 #define MTKFB_DRIVER "mtkfb"

 enum mtkfb_state {
 	MTKFB_DISABLED = 0,
 	MTKFB_SUSPENDED = 99,
 	MTKFB_ACTIVE = 100
 };

 typedef enum {
 	MTKFB_LAYER_ENABLE_DIRTY = (1 << 0),
 	MTKFB_LAYER_FORMAT_DIRTY = (1 << 1),
 	MTKFB_LAYER_SET_DIRTY = (1 << 2),
 } MTKFB_LAYER_CONFIG_DIRTY;

 typedef struct {
 	struct work_struct work;
 	struct list_head list;
 	struct fb_overlay_config config;
 	struct sync_fence *fences[4];
 	struct ion_handle *ion_handles[4];
 	void *dev;
 } update_ovls_work_t;

 struct mtkfb_device {
 	int state;
 	void *fb_va_base;	/* MPU virtual address */
 	dma_addr_t fb_pa_base;	/* Bus physical address */
 	unsigned long fb_size_in_byte;
 	void *ovl_va_base;	/* MPU virtual address */
 	dma_addr_t ovl_pa_base;	/* Bus physical address */
 	unsigned long ovl_size_in_byte;

 	unsigned long layer_enable;
 	MTK_FB_FORMAT *layer_format;
 	unsigned int layer_config_dirty;

 	int xscale, yscale, mirror;	/* transformations.
 					   rotate is stored in fb_info->var */
 	u32 pseudo_palette[17];

 	struct fb_info *fb_info;	/* Linux fbdev framework data */
 	struct device *dev;

 	/* Android native fence support */
 	struct workqueue_struct *update_ovls_wq;
 	struct mutex timeline_lock;
 	struct sw_sync_timeline *timeline;
 	int timeline_max;
 	struct list_head pending_configs;	/* CL2340210 */
 	struct ion_client *ion_client;
 };

 #endif				/* __KERNEL__ */

 extern long hdmi_handle_cmd(unsigned int cmd, unsigned long arg);

 #if defined(CONFIG_ARCH_MT6797)
 extern unsigned int vramsize;
 #endif

 #if defined(CONFIG_ARCH_MT6735) || defined(CONFIG_ARCH_MT6735M) || defined(CONFIG_ARCH_MT6753)
 extern bool is_early_suspended;
 extern void mtkfb_waitVsync(void);
 extern bool is_ipoh_bootup;

 #ifdef CONFIG_OF
 int _parse_tag_videolfb(void);
 extern unsigned int islcmconnected;
 extern unsigned int vramsize;
 #else
 extern char *saved_command_line;
 #endif
 #endif /* CONFIG_ARCH_MT6735 */


 #endif				/* __MTKFB_H */
	/*
	* Copyright (C) 2017 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	#ifndef __MTKFB_H
	#define __MTKFB_H

	#include <linux/types.h>
	#include "mtkfb_info.h"


	/**NOTICE:
	* Must be consistent with bionic/libc/kernel/linux/common/mtkfb.h
	*/
	#define MTK_FB_NO_ION_FD ((int)(~0U>>1))
	#define MTK_FB_NO_USE_LAEYR_ID ((int)(~0U>>1))
	#define FBCAPS_GENERIC_MASK (0x00000fff)
	#define FBCAPS_LCDC_MASK (0x00fff000)
	#define FBCAPS_PANEL_MASK (0xff000000)
	#define FBCAPS_MANUAL_UPDATE (0x00001000)
	#define FBCAPS_SET_BACKLIGHT (0x01000000)
	#define MTKFB_ERROR_IS_EARLY_SUSPEND (0x12000000)
	/* --------------------------------------------------------------------------- */
	/* IOCTL commands. */
	#define MTK_IOW(num, dtype) _IOW('O', num, dtype)
	#define MTK_IOR(num, dtype) _IOR('O', num, dtype)
	#define MTK_IOWR(num, dtype) _IOWR('O', num, dtype)
	#define MTK_IO(num) _IO('O', num)
	#define MTKFB_QUEUE_OVERLAY_CONFIG MTK_IOW(137, struct fb_overlay_config)
	/* -------------------------------------------------------------------------- */
	#define MTKFB_SET_OVERLAY_LAYER MTK_IOW(0, struct fb_overlay_layer)
	#define MTKFB_TRIG_OVERLAY_OUT MTK_IO(1)
	#define MTKFB_SET_VIDEO_LAYERS MTK_IOW(2, struct fb_overlay_layer)
	#define MTKFB_CAPTURE_FRAMEBUFFER MTK_IOW(3, unsigned long)
	#define MTKFB_CONFIG_IMMEDIATE_UPDATE MTK_IOW(4, unsigned long)
	#define MTKFB_SET_MULTIPLE_LAYERS MTK_IOW(5, struct fb_overlay_layer)
	#define MTKFB_REGISTER_OVERLAYBUFFER MTK_IOW(6, struct fb_overlay_buffer_info)
	#define MTKFB_UNREGISTER_OVERLAYBUFFER MTK_IOW(7, unsigned int)
	#define MTKFB_SET_ORIENTATION MTK_IOW(8, unsigned long)
	#define MTKFB_FBLAYER_ENABLE MTK_IOW(9, unsigned int)
	#define MTKFB_LOCK_FRONT_BUFFER MTK_IO(10)
	#define MTKFB_UNLOCK_FRONT_BUFFER MTK_IO(11)
	#define MTKFB_POWERON MTK_IO(12)
	#define MTKFB_POWEROFF MTK_IO(13)

	/* Fence/Ion, OVL decoupling */
	#define MTKFB_PREPARE_OVERLAY_BUFFER MTK_IOW(14, struct fb_overlay_buffer)

	/* S3D control */
	#define MTKFB_SET_COMPOSING3D MTK_IOW(15, unsigned long)
	#define MTKFB_SET_S3D_FTM MTK_IOW(16, unsigned long)

	/* FM De-sense for EM and Normal mode */
	#define MTKFB_GET_DEFAULT_UPDATESPEED MTK_IOR(17, unsigned long)
	#define MTKFB_GET_CURR_UPDATESPEED MTK_IOR(18, unsigned long)
	/* for EM, not called change writecycle because DPI change pll ckl */
	#define MTKFB_CHANGE_UPDATESPEED MTK_IOW(19, unsigned long)
	#define MTKFB_GET_INTERFACE_TYPE MTK_IOR(20, unsigned long) /* /0 DBI, 1 DPI, 2 MIPI */
	#define MTKFB_GET_POWERSTATE MTK_IOR(21, unsigned long) /* /0: power off 1: power on */
	#define MTKFB_GET_DISPLAY_IF_INFORMATION MTK_IOR(22, mtk_dispif_info_t)
	/called before SET_OVERLAY each time, if true, hwc will not use FB_LAYER again/
	#define MTKFB_AEE_LAYER_EXIST MTK_IOR(23, unsigned long)
	#define MTKFB_GET_OVERLAY_LAYER_INFO MTK_IOR(24, struct fb_overlay_layer_info)
	#define MTKFB_FACTORY_AUTO_TEST MTK_IOR(25, unsigned long)
	#define MTKFB_GET_FRAMEBUFFER_MVA MTK_IOR(26, unsigned int)
	#define MTKFB_SLT_AUTO_CAPTURE MTK_IOWR(27, struct fb_slt_catpure)

	/error handling/
	#define MTKFB_META_RESTORE_SCREEN MTK_IOW(101, unsigned long)
	#define MTKFB_ERROR_INDEX_UPDATE_TIMEOUT MTK_IO(103)
	#define MTKFB_ERROR_INDEX_UPDATE_TIMEOUT_AEE MTK_IO(104)

	/restore bootlogo and character in meta mode/
	#define MTKFB_META_SHOW_BOOTLOGO MTK_IO(105)

	/Extension FB active option/
	#define FB_ACTIVATE_NO_UPDATE 512 /* Skip frame update */
	/**
	* Just for mt6589 Platform
	* @{
	*/
	#define MTKFB_GETVFRAMEPHYSICAL MTK_IOW(41, unsigned long)
	#define MTKFB_WAIT_OVERLAY_READY MTK_IO(42)
	#define MTKFB_GET_OVERLAY_LAYER_COUNT MTK_IOR(43, unsigned long)
	#define MTKFB_GET_VIDEOLAYER_SIZE MTK_IOR(44, struct fb_overlay_layer)
	#define MTKFB_CAPTURE_VIDEOBUFFER MTK_IOW(45, unsigned long)

	/* -------------------------------------------------------------------------- */
	/* Video Playback Mode */
	#define MTKFB_TV_POST_VIDEO_BUFFER MTK_IOW(46, unsigned long)
	#define MTKFB_TV_LEAVE_VIDEO_PLAYBACK_MODE MTK_IOW(47, unsigned long)
	/* For Factory Mode */
	#define MTKFB_IS_TV_CABLE_PLUG_IN MTK_IOW(48, unsigned long)

	/* -------------------------------------------------------------------------- */
	#define MTKFB_BOOTANIMATION MTK_IO(49)
	#define MTKFB_GETFPS MTK_IOW(50, unsigned long)
	#define MTKFB_VSYNC MTK_IO(51)

	/* ----------------------------------------------------------------------FM De-sense for EM and Normal mode */
	#define MTKFB_FM_NOTIFY_FREQ MTK_IOW(52, unsigned long) /* for Normal mode */
	#define MTKFB_RESET_UPDATESPEED MTK_IO(53)
	#define MTKFB_SET_UI_LAYER_ALPHA MTK_IOW(54, unsigned long)
	#define MTKFB_SET_UI_LAYER_SRCKEY MTK_IOW(55, unsigned long)

	#define MTKFB_GET_MAX_DISPLAY_COUNT MTK_IOR(56, unsigned int)
	#define MTKFB_SET_FB_LAYER_SECURE MTK_IOW(57, int)
	/**
	* @}
	*/
	/* ---------------------------------------------------------------------- */

	/* -------------------------------------------------------------------------- */

	typedef enum {
	MTK_FB_ORIENTATION_0 = 0,
	MTK_FB_ORIENTATION_90 = 1,
	MTK_FB_ORIENTATION_180 = 2,
	MTK_FB_ORIENTATION_270 = 3,
	} MTK_FB_ORIENTATION;


	typedef enum {
	MTK_FB_TV_SYSTEM_NTSC = 0,
	MTK_FB_TV_SYSTEM_PAL = 1,
	} MTK_FB_TV_SYSTEM;


	typedef enum {
	MTK_FB_TV_FMT_RGB565 = 0,
	MTK_FB_TV_FMT_YUV420_SEQ = 1,
	MTK_FB_TV_FMT_UYUV422 = 2,
	MTK_FB_TV_FMT_YUV420_BLK = 3,
	} MTK_FB_TV_SRC_FORMAT;

	typedef enum {
	LAYER_NORMAL_BUFFER = 0,
	LAYER_SECURE_BUFFER = 1,
	LAYER_PROTECTED_BUFFER = 2,
	LAYER_SECURE_BUFFER_WITH_ALIGN = 0x10001, /* the higher 16 bits =1 for adding 64 bytes alignment */
	} MTK_FB_OVL_LAYER_SECURE_MODE;

	typedef struct _disp_dfo_item {
	char name[32];
	int value;
	} disp_dfo_item_t;

	/* -------------------------------------------------------------------------- */
	struct fb_slt_catpure {
	MTK_FB_FORMAT format;

	volatile char *outputBuffer;
	unsigned int wdma_width;
	unsigned int wdma_height;
	};

	struct fb_scale {
	unsigned int xscale, yscale;
	};

	struct fb_frame_offset {
	unsigned int idx;
	unsigned long offset;
	};

	struct fb_update_window {
	unsigned int x, y;
	unsigned int width, height;
	};

	typedef enum {
	LAYER_2D = 0,
	LAYER_3D_SBS_0 = 0x1,
	LAYER_3D_SBS_90 = 0x2,
	LAYER_3D_SBS_180 = 0x3,
	LAYER_3D_SBS_270 = 0x4,
	LAYER_3D_TAB_0 = 0x10,
	LAYER_3D_TAB_90 = 0x20,
	LAYER_3D_TAB_180 = 0x30,
	LAYER_3D_TAB_270 = 0x40,
	} MTK_FB_LAYER_TYPE;

	typedef enum {
	DISP_DIRECT_LINK_MODE,
	DISP_DECOUPLE_MODE
	} MTK_DISP_MODE;
	struct fb_overlay_mode {
	MTK_DISP_MODE mode;
	};

	typedef enum { /* map sessions to scenairos in kernel driver */
	DISP_SESSION_LCM = 1 << 0, /* DSI0 */
	DISP_SESSION_MEM = 1 << 1, /* OVL0->WDMA0 */
	/* Extension mode, Dst buf is provided by user,for Wifi Display or other purpose */
	DISP_SESSION_WFD = 1 << 2,
	DISP_SESSION_MHL = 1 << 3, /* DPI */
	DISP_SESSION_LCM1 = 1 << 4, /* DSI1 */
	DISP_SESSION_MEM1 = 1 << 5, /* OVL1->WDMA1 */
	/* TODO:can be extended with other Session Id */
	SESSION_MASK = 0xff & ~(1 << 6)
	} MTK_DISP_SESSION;

	struct fb_overlay_session {
	unsigned int session; /* one or more @MTK_DISP_SESSION combined */
	};

	struct fb_overlay_decouple {
	MTK_DISP_MODE mode;
	unsigned int session;
	};
	struct fb_overlay_buffer {
	/* Input */
	int layer_id;
	unsigned int layer_en;
	int ion_fd;
	unsigned int cache_sync;
	/* Output */
	unsigned int index;
	int fence_fd;
	};

	struct fb_overlay_layer {
	unsigned int layer_id;
	unsigned int layer_enable;

	void *src_base_addr;
	void *src_phy_addr;
	unsigned int src_direct_link;
	MTK_FB_FORMAT src_fmt;
	unsigned int src_use_color_key;
	unsigned int src_color_key;
	unsigned int src_pitch;
	unsigned int src_offset_x, src_offset_y;
	unsigned int src_width, src_height;

	unsigned int tgt_offset_x, tgt_offset_y;
	unsigned int tgt_width, tgt_height;
	MTK_FB_ORIENTATION layer_rotation;
	MTK_FB_LAYER_TYPE layer_type;
	MTK_FB_ORIENTATION video_rotation;

	unsigned int isTdshp; /* set to 1, will go through tdshp first, then layer blending, then to color */

	int next_buff_idx;
	int identity;
	int connected_type;
	unsigned int security;
	unsigned int alpha_enable;
	unsigned int alpha;
	int fence_fd; /* 8135 */
	int ion_fd; /* 8135 CL 2340210 */
	};

	struct fb_overlay_config {
	int fence;
	int time;
	struct fb_overlay_layer layers[4];
	};

	struct fb_overlay_buffer_info {
	unsigned int src_vir_addr;
	unsigned int size;
	};

	struct fb_overlay_layer_info {
	unsigned int layer_id;
	unsigned int layer_enabled; /* TO BE DEL */
	unsigned int curr_en;
	unsigned int next_en;
	unsigned int hw_en;
	int curr_idx;
	int next_idx;
	int hw_idx;
	int curr_identity;
	int next_identity;
	int hw_identity;
	int curr_conn_type;
	int next_conn_type;
	int hw_conn_type;
	MTK_FB_ORIENTATION layer_rotation;
	};
	/* -------------------------------------------------------------------------- */

	struct fb_post_video_buffer {
	void *phy_addr;
	void *vir_addr;
	MTK_FB_TV_SRC_FORMAT format;
	unsigned int width, height;
	};

	#if defined(CONFIG_ARCH_MT6735) \|\| defined(CONFIG_ARCH_MT6735M) \|\| defined(CONFIG_ARCH_MT6753)
	extern unsigned int EnableVSyncLog;

	void mtkfb_log_enable(int enable);
	int mtkfb_set_backlight_mode(unsigned int mode);
	int mtkfb_set_backlight_level(unsigned int level);
	int mtkfb_get_debug_state(char *stringbuf, int buf_len);
	unsigned int mtkfb_fm_auto_test(void);
	void mtkfb_clear_lcm(void);
	#endif /* CONFIG_ARCH_MT6735 */

	#ifdef __KERNEL__

	#include <linux/completion.h>
	#include <linux/interrupt.h>
	#include <linux/workqueue.h>
	#include <linux/version.h>
	#include <../drivers/staging/android/sw_sync.h>


	#define MTKFB_DRIVER "mtkfb"

	enum mtkfb_state {
	MTKFB_DISABLED = 0,
	MTKFB_SUSPENDED = 99,
	MTKFB_ACTIVE = 100
	};

	typedef enum {
	MTKFB_LAYER_ENABLE_DIRTY = (1 << 0),
	MTKFB_LAYER_FORMAT_DIRTY = (1 << 1),
	MTKFB_LAYER_SET_DIRTY = (1 << 2),
	} MTKFB_LAYER_CONFIG_DIRTY;

	typedef struct {
	struct work_struct work;
	struct list_head list;
	struct fb_overlay_config config;
	struct sync_fence *fences[4];
	struct ion_handle *ion_handles[4];
	void *dev;
	} update_ovls_work_t;

	struct mtkfb_device {
	int state;
	void fb_va_base; / MPU virtual address */
	dma_addr_t fb_pa_base; /* Bus physical address */
	unsigned long fb_size_in_byte;
	void ovl_va_base; / MPU virtual address */
	dma_addr_t ovl_pa_base; /* Bus physical address */
	unsigned long ovl_size_in_byte;

	unsigned long layer_enable;
	MTK_FB_FORMAT *layer_format;
	unsigned int layer_config_dirty;

	int xscale, yscale, mirror; /* transformations.
	rotate is stored in fb_info->var */
	u32 pseudo_palette[17];

	struct fb_info fb_info; / Linux fbdev framework data */
	struct device *dev;

	/* Android native fence support */
	struct workqueue_struct *update_ovls_wq;
	struct mutex timeline_lock;
	struct sw_sync_timeline *timeline;
	int timeline_max;
	struct list_head pending_configs; /* CL2340210 */
	struct ion_client *ion_client;
	};

	#endif /* __KERNEL__ */

	extern long hdmi_handle_cmd(unsigned int cmd, unsigned long arg);

	#if defined(CONFIG_ARCH_MT6797)
	extern unsigned int vramsize;
	#endif

	#if defined(CONFIG_ARCH_MT6735) \|\| defined(CONFIG_ARCH_MT6735M) \|\| defined(CONFIG_ARCH_MT6753)
	extern bool is_early_suspended;
	extern void mtkfb_waitVsync(void);
	extern bool is_ipoh_bootup;

	#ifdef CONFIG_OF
	int _parse_tag_videolfb(void);
	extern unsigned int islcmconnected;
	extern unsigned int vramsize;
	#else
	extern char *saved_command_line;
	#endif
	#endif /* CONFIG_ARCH_MT6735 */


	#endif /* __MTKFB_H */