327 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			327 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* arch/arm/mach-msm/include/mach/msm_fb.h
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|  *
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|  * Internal shared definitions for various MSM framebuffer parts.
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|  *
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|  * Copyright (C) 2007 Google Incorporated
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|  *
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|  * This software is licensed under the terms of the GNU General Public
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|  * License version 2, as published by the Free Software Foundation, and
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|  * may be copied, distributed, and modified under those terms.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  */
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| 
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| #ifndef _MSM_FB_H_
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| #define _MSM_FB_H_
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| 
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| #include <linux/device.h>
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| 
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| struct mddi_info;
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| 
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| /* output interface format */
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| #define MSM_MDP_OUT_IF_FMT_RGB565 0
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| #define MSM_MDP_OUT_IF_FMT_RGB666 1
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| #define MSM_MDP_OUT_IF_FMT_RGB888 2
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| 
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| /* mdp override operations */
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| #define MSM_MDP_PANEL_IGNORE_PIXEL_DATA		(1 << 0)
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| #define MSM_MDP_PANEL_FLIP_UD			(1 << 1)
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| #define MSM_MDP_PANEL_FLIP_LR			(1 << 2)
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| #define MSM_MDP4_MDDI_DMA_SWITCH		(1 << 3)
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| 
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| /* mddi type */
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| #define MSM_MDP_MDDI_TYPE_I	 0
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| #define MSM_MDP_MDDI_TYPE_II	 1
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| 
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| /* lcdc override operations */
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| #define MSM_MDP_LCDC_DMA_PACK_ALIGN_LSB		(1 << 0)
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| 
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| struct msm_fb_data {
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| 	int xres;	/* x resolution in pixels */
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| 	int yres;	/* y resolution in pixels */
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| 	int width;	/* disply width in mm */
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| 	int height;	/* display height in mm */
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| 	unsigned output_format;
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| };
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| 
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| struct msmfb_callback {
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| 	void (*func)(struct msmfb_callback *);
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| };
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| 
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| enum {
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| 	MSM_MDDI_PMDH_INTERFACE = 0,
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| 	MSM_MDDI_EMDH_INTERFACE,
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| 	MSM_EBI2_INTERFACE,
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| 	MSM_LCDC_INTERFACE,
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| 	MSM_TV_INTERFACE,
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| 
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| 	MSM_MDP_NUM_INTERFACES = MSM_TV_INTERFACE + 1
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| };
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| 
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| #define MSMFB_CAP_PARTIAL_UPDATES	(1 << 0)
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| #define MSMFB_CAP_CABC			(1 << 1)
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| 
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| struct msm_lcdc_timing {
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| 	unsigned int clk_rate;		/* dclk freq */
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| 	unsigned int hsync_pulse_width;	/* in dclks */
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| 	unsigned int hsync_back_porch;	/* in dclks */
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| 	unsigned int hsync_front_porch;	/* in dclks */
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| 	unsigned int hsync_skew;	/* in dclks */
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| 	unsigned int vsync_pulse_width;	/* in lines */
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| 	unsigned int vsync_back_porch;	/* in lines */
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| 	unsigned int vsync_front_porch;	/* in lines */
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| 
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| 	/* control signal polarity */
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| 	unsigned int vsync_act_low:1;
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| 	unsigned int hsync_act_low:1;
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| 	unsigned int den_act_low:1;
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| };
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| 
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| struct msm_panel_data {
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| 	/* turns off the fb memory */
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| 	int (*suspend)(struct msm_panel_data *);
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| 	/* turns on the fb memory */
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| 	int (*resume)(struct msm_panel_data *);
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| 	/* turns off the panel */
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| 	int (*blank)(struct msm_panel_data *);
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| 	/* turns on the panel */
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| 	int (*unblank)(struct msm_panel_data *);
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| 	/* for msmfb shutdown() */
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| 	int (*shutdown)(struct msm_panel_data *);
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| 	void (*wait_vsync)(struct msm_panel_data *);
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| 	void (*request_vsync)(struct msm_panel_data *, struct msmfb_callback *);
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| 	void (*clear_vsync)(struct msm_panel_data *);
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| 	void (*dump_vsync)(void);
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| 	/* change timing on the fly */
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| 	int (*adjust_timing)(struct msm_panel_data *, struct msm_lcdc_timing *,
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| 			u32 xres, u32 yres);
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| 	/* from the enum above */
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| 	unsigned interface_type;
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| 	/* data to be passed to the fb driver */
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| 	struct msm_fb_data *fb_data;
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| 
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| 	/* capabilities supported by the panel */
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| 	uint32_t caps;
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| 	/*
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| 	 * For samsung driver IC, we always need to indicate where
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| 	 * to draw. So we pass update_into to mddi client.
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| 	 *
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| 	 */
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| 	struct {
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| 		int left;
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| 		int top;
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| 		int eright; /* exclusive */
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| 		int ebottom; /* exclusive */
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| 	} update_info;
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| };
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| 
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| enum {
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| 	MDP_DMA_P = 0,
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| 	MDP_DMA_S,
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| };
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| 
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| struct msm_mdp_platform_data {
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| 	/* from the enum above */
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| 	int dma_channel;
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| 	unsigned overrides;
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| 	unsigned color_format;
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| 	int tearing_check;
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| 	unsigned sync_config;
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| 	unsigned sync_thresh;
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| 	unsigned sync_start_pos;
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| };
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| 
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| struct msm_mddi_client_data {
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| 	void (*suspend)(struct msm_mddi_client_data *);
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| 	void (*resume)(struct msm_mddi_client_data *);
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| 	void (*activate_link)(struct msm_mddi_client_data *);
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| 	void (*remote_write)(struct msm_mddi_client_data *, uint32_t val,
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| 			     uint32_t reg);
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| 	void (*remote_write_vals)(struct msm_mddi_client_data *, uint8_t * val,
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| 			     uint32_t reg, unsigned int nr_bytes);
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| 	uint32_t (*remote_read)(struct msm_mddi_client_data *, uint32_t reg);
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| 	void (*auto_hibernate)(struct msm_mddi_client_data *, int);
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| 	/* custom data that needs to be passed from the board file to a 
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| 	 * particular client */
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| 	void *private_client_data;
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| 	struct resource *fb_resource;
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| 	/* from the list above */
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| 	unsigned interface_type;
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| };
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| 
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| struct msm_mddi_platform_data {
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| 	unsigned int clk_rate;
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| 	void (*power_client)(struct msm_mddi_client_data *, int on);
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| 
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| 	/* fixup the mfr name, product id */
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| 	void (*fixup)(uint16_t *mfr_name, uint16_t *product_id);
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| 
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| 	struct resource *fb_resource; /*optional*/
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| 	/* number of clients in the list that follows */
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| 	int num_clients;
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| 	unsigned type;
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| 	/* array of client information of clients */
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| 	struct {
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| 		unsigned product_id; /* mfr id in top 16 bits, product id
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| 				      * in lower 16 bits
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| 				      */
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| 		char *name;	/* the device name will be the platform
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| 				 * device name registered for the client,
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| 				 * it should match the name of the associated
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| 				 * driver
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| 				 */
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| 		unsigned id;	/* id for mddi client device node, will also
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| 				 * be used as device id of panel devices, if
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| 				 * the client device will have multiple panels
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| 				 * space must be left here for them
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| 				 */
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| 		void *client_data;	/* required private client data */
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| 		unsigned int clk_rate;	/* optional: if the client requires a
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| 					* different mddi clk rate
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| 					*/
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| 	} client_platform_data[];
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| };
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| 
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| struct msm_lcdc_panel_ops {
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| 	int	(*init)(struct msm_lcdc_panel_ops *);
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| 	int	(*uninit)(struct msm_lcdc_panel_ops *);
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| 	int	(*blank)(struct msm_lcdc_panel_ops *);
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| 	int	(*unblank)(struct msm_lcdc_panel_ops *);
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| };
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| 
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| struct msm_lcdc_platform_data {
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| 	struct msm_lcdc_panel_ops	*panel_ops;
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| 	struct msm_lcdc_timing		*timing;
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| 	int				fb_id;
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| 	struct msm_fb_data		*fb_data;
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| 	struct resource			*fb_resource;
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| 	unsigned			 overrides;
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| };
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| 
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| struct msm_tvenc_platform_data {
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| 	struct msm_tvenc_panel_ops	*panel_ops;
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| 	int				fb_id;
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| 	struct msm_fb_data		*fb_data;
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| 	struct resource			*fb_resource;
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| 	int (*video_relay)(int on_off);
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| };
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| 
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| struct mdp_blit_req;
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| struct fb_info;
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| struct mdp_device {
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| 	struct device dev;
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| 	void (*dma)(struct mdp_device *mdp, uint32_t addr,
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| 		    uint32_t stride, uint32_t w, uint32_t h, uint32_t x,
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| 		    uint32_t y, struct msmfb_callback *callback, int interface);
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| 	void (*dma_wait)(struct mdp_device *mdp, int interface);
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| 	int (*blit)(struct mdp_device *mdp, struct fb_info *fb,
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| 		    struct mdp_blit_req *req);
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| #ifdef CONFIG_FB_MSM_OVERLAY
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| 	int (*overlay_get)(struct mdp_device *mdp, struct fb_info *fb,
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| 		    struct mdp_overlay *req);
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| 	int (*overlay_set)(struct mdp_device *mdp, struct fb_info *fb,
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| 		    struct mdp_overlay *req);
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| 	int (*overlay_unset)(struct mdp_device *mdp, struct fb_info *fb,
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| 		    int ndx);
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| 	int (*overlay_play)(struct mdp_device *mdp, struct fb_info *fb,
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| 		    struct msmfb_overlay_data *req, struct file *p_src_file);
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| #endif
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| 	void (*set_grp_disp)(struct mdp_device *mdp, uint32_t disp_id);
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| 	void (*configure_dma)(struct mdp_device *mdp);
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| 	int (*check_output_format)(struct mdp_device *mdp, int bpp);
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| 	int (*set_output_format)(struct mdp_device *mdp, int bpp);
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| 	unsigned color_format;
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| 	unsigned overrides;
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| };
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| 
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| struct class_interface;
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| int register_mdp_client(struct class_interface *class_intf);
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| 
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| /**** private client data structs go below this line ***/
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| 
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| /*
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|  * Panel private data, include backlight stuff
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|  * 9/28 09', Jay
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|  * */
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| struct panel_data {
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| 	int panel_id;
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| 	u32 caps;
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| 	int shrink;
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| 	/* backlight data */
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| 	u8 *pwm;
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| 	int min_level;
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| 	/* default_br used in turn on backlight, must sync with setting in user space */
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| 	int default_br;
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| 	int (*shrink_br)(int brightness);
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| 	int (*change_cabcmode)(struct msm_mddi_client_data *client_data,
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| 			int mode, u8 dimming);
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| };
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| 
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| struct msm_mddi_bridge_platform_data {
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| 	/* from board file */
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| 	int (*init)(struct msm_mddi_bridge_platform_data *,
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| 		    struct msm_mddi_client_data *);
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| 	int (*uninit)(struct msm_mddi_bridge_platform_data *,
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| 		      struct msm_mddi_client_data *);
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| 	/* passed to panel for use by the fb driver */
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| 	int (*blank)(struct msm_mddi_bridge_platform_data *,
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| 		     struct msm_mddi_client_data *);
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| 	int (*unblank)(struct msm_mddi_bridge_platform_data *,
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| 		       struct msm_mddi_client_data *);
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| 	int (*shutdown)(struct msm_mddi_bridge_platform_data *,
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| 		       struct msm_mddi_client_data *);
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| 	struct msm_fb_data fb_data;
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| 	struct panel_data panel_conf;
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| 	/* for those MDDI client which need to re-position display region
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| 	   after each update or static electricity strike. It should be
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| 	   implemented in board-xxx-panel due to the function itself need to
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| 	   send the screen dimensional info of screen to MDDI client.
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| 	*/
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| 	void (*adjust)(struct msm_mddi_client_data *);
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| #define SAMSUNG_D  0
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| #define SAMSUNG_S6 1
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| 	int bridge_type;
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| 	int panel_type;
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| 	uint32_t caps;
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| 	/* backlight data */
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| 	u8 *pwm;
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| };
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| 
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| /*
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|  * This is used to communicate event between msm_fb, mddi, mddi_client, 
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|  * and board.
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|  * It's mainly used to reset the display system.
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|  * Also, it is used for battery power policy.
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|  *
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|  */
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| #define NOTIFY_MDDI     0x00000000
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| #define NOTIFY_POWER    0x00000001
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| #define NOTIFY_MSM_FB   0x00000010
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| 
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| extern int register_display_notifier(struct notifier_block *nb);
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| extern int display_notifier_call_chain(unsigned long val, void *data);
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|  
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| #define display_notifier(fn, pri) {                     \
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| 	static struct notifier_block fn##_nb =          \
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| 	{ .notifier_call = fn, .priority = pri };       \
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| 	register_display_notifier(&fn##_nb);		\
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| }
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| 
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| #if (defined(CONFIG_USB_FUNCTION_PROJECTOR) || defined(CONFIG_USB_ANDROID_PROJECTOR))
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| /* For USB Projector to quick access the frame buffer info */
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| struct msm_fb_info {
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| 	unsigned char *fb_addr;
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| 	int msmfb_area;
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| 	int xres;
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| 	int yres;
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| };
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| 
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| extern int msmfb_get_var(struct msm_fb_info *tmp);
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| extern int msmfb_get_fb_area(void);
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| #endif
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| 
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| #endif
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