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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-msm/include/mach/msm_fb.h

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  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
148 

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