arch/arm/mach-msm/include/mach/msm_fb.h

   1 /* arch/arm/mach-msm/include/mach/msm_fb.h
   2  *
   3  * Internal shared definitions for various MSM framebuffer parts.
   4  *
   5  * Copyright (C) 2007 Google Incorporated
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #ifndef _MSM_FB_H_
  18 #define _MSM_FB_H_
  19
  20 #include <linux/device.h>
  21
  22 struct mddi_info;
  23
  24 struct msm_fb_data {
  25         int xres;       /* x resolution in pixels */
  26         int yres;       /* y resolution in pixels */
  27         int width;      /* disply width in mm */
  28         int height;     /* display height in mm */
  29         unsigned output_format;
  30 };
  31
  32 struct msmfb_callback {
  33         void (*func)(struct msmfb_callback *);
  34 };
  35
  36 enum {
  37         MSM_MDDI_PMDH_INTERFACE,
  38         MSM_MDDI_EMDH_INTERFACE,
  39         MSM_EBI2_INTERFACE,
  40 };
  41
  42 #define MSMFB_CAP_PARTIAL_UPDATES       (1 << 0)
  43
  44 struct msm_panel_data {
  45         /* turns off the fb memory */
  46         int (*suspend)(struct msm_panel_data *);
  47         /* turns on the fb memory */
  48         int (*resume)(struct msm_panel_data *);
  49         /* turns off the panel */
  50         int (*blank)(struct msm_panel_data *);
  51         /* turns on the panel */
  52         int (*unblank)(struct msm_panel_data *);
  53         void (*wait_vsync)(struct msm_panel_data *);
  54         void (*request_vsync)(struct msm_panel_data *, struct msmfb_callback *);
  55         void (*clear_vsync)(struct msm_panel_data *);
  56         /* from the enum above */
  57         unsigned interface_type;
  58         /* data to be passed to the fb driver */
  59         struct msm_fb_data *fb_data;
  60
  61         /* capabilities supported by the panel */
  62         uint32_t caps;
  63 };
  64
  65 struct msm_mddi_client_data {
  66         void (*suspend)(struct msm_mddi_client_data *);
  67         void (*resume)(struct msm_mddi_client_data *);
  68         void (*activate_link)(struct msm_mddi_client_data *);
  69         void (*remote_write)(struct msm_mddi_client_data *, uint32_t val,
  70                              uint32_t reg);
  71         uint32_t (*remote_read)(struct msm_mddi_client_data *, uint32_t reg);
  72         void (*auto_hibernate)(struct msm_mddi_client_data *, int);
  73         /* custom data that needs to be passed from the board file to a
  74          * particular client */
  75         void *private_client_data;
  76         struct resource *fb_resource;
  77         /* from the list above */
  78         unsigned interface_type;
  79 };
  80
  81 struct msm_mddi_platform_data {
  82         unsigned int clk_rate;
  83         void (*power_client)(struct msm_mddi_client_data *, int on);
  84
  85         /* fixup the mfr name, product id */
  86         void (*fixup)(uint16_t *mfr_name, uint16_t *product_id);
  87
  88         struct resource *fb_resource; /*optional*/
  89         /* number of clients in the list that follows */
  90         int num_clients;
  91         /* array of client information of clients */
  92         struct {
  93                 unsigned product_id; /* mfr id in top 16 bits, product id
  94                                       * in lower 16 bits
  95                                       */
  96                 char *name;     /* the device name will be the platform
  97                                  * device name registered for the client,
  98                                  * it should match the name of the associated
  99                                  * driver
 100                                  */
 101                 unsigned id;    /* id for mddi client device node, will also
 102                                  * be used as device id of panel devices, if
 103                                  * the client device will have multiple panels
 104                                  * space must be left here for them
 105                                  */
 106                 void *client_data;      /* required private client data */
 107                 unsigned int clk_rate;  /* optional: if the client requires a
 108                                         * different mddi clk rate
 109                                         */
 110         } client_platform_data[];
 111 };
 112
 113 struct mdp_blit_req;
 114 struct fb_info;
 115 struct mdp_device {
 116         struct device dev;
 117         void (*dma)(struct mdp_device *mpd, uint32_t addr,
 118                     uint32_t stride, uint32_t w, uint32_t h, uint32_t x,
 119                     uint32_t y, struct msmfb_callback *callback, int interface);
 120         void (*dma_wait)(struct mdp_device *mdp);
 121         int (*blit)(struct mdp_device *mdp, struct fb_info *fb,
 122                     struct mdp_blit_req *req);
 123         void (*set_grp_disp)(struct mdp_device *mdp, uint32_t disp_id);
 124 };
 125
 126 struct class_interface;
 127 int register_mdp_client(struct class_interface *class_intf);
 128
 129 /**** private client data structs go below this line ***/
 130
 131 struct msm_mddi_bridge_platform_data {
 132         /* from board file */
 133         int (*init)(struct msm_mddi_bridge_platform_data *,
 134                     struct msm_mddi_client_data *);
 135         int (*uninit)(struct msm_mddi_bridge_platform_data *,
 136                       struct msm_mddi_client_data *);
 137         /* passed to panel for use by the fb driver */
 138         int (*blank)(struct msm_mddi_bridge_platform_data *,
 139                      struct msm_mddi_client_data *);
 140         int (*unblank)(struct msm_mddi_bridge_platform_data *,
 141                        struct msm_mddi_client_data *);
 142         struct msm_fb_data fb_data;
 143 };
 144
 145
 146
 147 #endif