include/video/auo_k190xfb.h

   1 /*
   2  * Definitions for AUO-K190X framebuffer drivers
   3  *
   4  * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef _LINUX_VIDEO_AUO_K190XFB_H_
  12 #define _LINUX_VIDEO_AUO_K190XFB_H_
  13
  14 /* Controller standby command needs a param */
  15 #define AUOK190X_QUIRK_STANDBYPARAM     (1 << 0)
  16
  17 /* Controller standby is completely broken */
  18 #define AUOK190X_QUIRK_STANDBYBROKEN    (1 << 1)
  19
  20 /*
  21  * Resolutions for the displays
  22  */
  23 #define AUOK190X_RESOLUTION_800_600             0
  24 #define AUOK190X_RESOLUTION_1024_768            1
  25 #define AUOK190X_RESOLUTION_600_800             4
  26 #define AUOK190X_RESOLUTION_768_1024            5
  27
  28 /*
  29  * struct used by auok190x. board specific stuff comes from *board
  30  */
  31 struct auok190xfb_par {
  32         struct fb_info *info;
  33         struct auok190x_board *board;
  34
  35         struct regulator *regulator;
  36
  37         struct mutex io_lock;
  38         struct delayed_work work;
  39         wait_queue_head_t waitq;
  40         int resolution;
  41         int rotation;
  42         int consecutive_threshold;
  43         int update_cnt;
  44
  45         /* panel and controller informations */
  46         int epd_type;
  47         int panel_size_int;
  48         int panel_size_float;
  49         int panel_model;
  50         int tcon_version;
  51         int lut_version;
  52
  53         /* individual controller callbacks */
  54         void (*update_partial)(struct auok190xfb_par *par, u16 y1, u16 y2);
  55         void (*update_all)(struct auok190xfb_par *par);
  56         bool (*need_refresh)(struct auok190xfb_par *par);
  57         void (*init)(struct auok190xfb_par *par);
  58         void (*recover)(struct auok190xfb_par *par);
  59
  60         int update_mode; /* mode to use for updates */
  61         int last_mode; /* update mode last used */
  62         int flash;
  63
  64         /* power management */
  65         int autosuspend_delay;
  66         bool standby;
  67         bool manual_standby;
  68 };
  69
  70 /**
  71  * Board specific platform-data
  72  * @init:               initialize the controller interface
  73  * @cleanup:            cleanup the controller interface
  74  * @wait_for_rdy:       wait until the controller is not busy anymore
  75  * @set_ctl:            change an interface control
  76  * @set_hdb:            write a value to the data register
  77  * @get_hdb:            read a value from the data register
  78  * @setup_irq:          method to setup the irq handling on the busy gpio
  79  * @gpio_nsleep:        sleep gpio
  80  * @gpio_nrst:          reset gpio
  81  * @gpio_nbusy:         busy gpio
  82  * @resolution:         one of the AUOK190X_RESOLUTION constants
  83  * @rotation:           rotation of the framebuffer
  84  * @quirks:             controller quirks to honor
  85  * @fps:                frames per second for defio
  86  */
  87 struct auok190x_board {
  88         int (*init)(struct auok190xfb_par *);
  89         void (*cleanup)(struct auok190xfb_par *);
  90         int (*wait_for_rdy)(struct auok190xfb_par *);
  91
  92         void (*set_ctl)(struct auok190xfb_par *, unsigned char, u8);
  93         void (*set_hdb)(struct auok190xfb_par *, u16);
  94         u16 (*get_hdb)(struct auok190xfb_par *);
  95
  96         int (*setup_irq)(struct fb_info *);
  97
  98         int gpio_nsleep;
  99         int gpio_nrst;
 100         int gpio_nbusy;
 101
 102         int resolution;
 103         int quirks;
 104         int fps;
 105 };
 106
 107 #endif