327 lines
9.6 KiB
C
327 lines
9.6 KiB
C
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/* 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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#ifndef _MSM_FB_H_
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#define _MSM_FB_H_
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#include <linux/device.h>
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struct mddi_info;
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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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/* 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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/* 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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/* lcdc override operations */
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#define MSM_MDP_LCDC_DMA_PACK_ALIGN_LSB (1 << 0)
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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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struct msmfb_callback {
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void (*func)(struct msmfb_callback *);
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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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MSM_MDP_NUM_INTERFACES = MSM_TV_INTERFACE + 1
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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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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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/* 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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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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/* 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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enum {
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MDP_DMA_P = 0,
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MDP_DMA_S,
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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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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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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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/* fixup the mfr name, product id */
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void (*fixup)(uint16_t *mfr_name, uint16_t *product_id);
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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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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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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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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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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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struct class_interface;
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int register_mdp_client(struct class_interface *class_intf);
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/**** private client data structs go below this line ***/
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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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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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* 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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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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#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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#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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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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#endif
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