LXR linux/include/linux/platform_data/shmob

   1/*
   2 * shmob_drm.h  --  SH Mobile DRM driver
   3 *
   4 * Copyright (C) 2012 Renesas Corporation
   5 *
   6 * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 */
  13
  14#ifndef __SHMOB_DRM_H__
  15#define __SHMOB_DRM_H__
  16
  17#include <linux/kernel.h>
  18
  19#include <drm/drm_mode.h>
  20
  21enum shmob_drm_clk_source {
  22        SHMOB_DRM_CLK_BUS,
  23        SHMOB_DRM_CLK_PERIPHERAL,
  24        SHMOB_DRM_CLK_EXTERNAL,
  25};
  26
  27enum shmob_drm_interface {
  28        SHMOB_DRM_IFACE_RGB8,           /* 24bpp, 8:8:8 */
  29        SHMOB_DRM_IFACE_RGB9,           /* 18bpp, 9:9 */
  30        SHMOB_DRM_IFACE_RGB12A,         /* 24bpp, 12:12 */
  31        SHMOB_DRM_IFACE_RGB12B,         /* 12bpp */
  32        SHMOB_DRM_IFACE_RGB16,          /* 16bpp */
  33        SHMOB_DRM_IFACE_RGB18,          /* 18bpp */
  34        SHMOB_DRM_IFACE_RGB24,          /* 24bpp */
  35        SHMOB_DRM_IFACE_YUV422,         /* 16bpp */
  36        SHMOB_DRM_IFACE_SYS8A,          /* 24bpp, 8:8:8 */
  37        SHMOB_DRM_IFACE_SYS8B,          /* 18bpp, 8:8:2 */
  38        SHMOB_DRM_IFACE_SYS8C,          /* 18bpp, 2:8:8 */
  39        SHMOB_DRM_IFACE_SYS8D,          /* 16bpp, 8:8 */
  40        SHMOB_DRM_IFACE_SYS9,           /* 18bpp, 9:9 */
  41        SHMOB_DRM_IFACE_SYS12,          /* 24bpp, 12:12 */
  42        SHMOB_DRM_IFACE_SYS16A,         /* 16bpp */
  43        SHMOB_DRM_IFACE_SYS16B,         /* 18bpp, 16:2 */
  44        SHMOB_DRM_IFACE_SYS16C,         /* 18bpp, 2:16 */
  45        SHMOB_DRM_IFACE_SYS18,          /* 18bpp */
  46        SHMOB_DRM_IFACE_SYS24,          /* 24bpp */
  47};
  48
  49struct shmob_drm_backlight_data {
  50        const char *name;
  51        int max_brightness;
  52        int (*get_brightness)(void);
  53        int (*set_brightness)(int brightness);
  54};
  55
  56struct shmob_drm_panel_data {
  57        unsigned int width_mm;          /* Panel width in mm */
  58        unsigned int height_mm;         /* Panel height in mm */
  59        struct drm_mode_modeinfo mode;
  60};
  61
  62struct shmob_drm_sys_interface_data {
  63        unsigned int read_latch:6;
  64        unsigned int read_setup:8;
  65        unsigned int read_cycle:8;
  66        unsigned int read_strobe:8;
  67        unsigned int write_setup:8;
  68        unsigned int write_cycle:8;
  69        unsigned int write_strobe:8;
  70        unsigned int cs_setup:3;
  71        unsigned int vsync_active_high:1;
  72        unsigned int vsync_dir_input:1;
  73};
  74
  75#define SHMOB_DRM_IFACE_FL_DWPOL (1 << 0) /* Rising edge dot clock data latch */
  76#define SHMOB_DRM_IFACE_FL_DIPOL (1 << 1) /* Active low display enable */
  77#define SHMOB_DRM_IFACE_FL_DAPOL (1 << 2) /* Active low display data */
  78#define SHMOB_DRM_IFACE_FL_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
  79#define SHMOB_DRM_IFACE_FL_DWCNT (1 << 4) /* Disable dotclock during blanking */
  80
  81struct shmob_drm_interface_data {
  82        enum shmob_drm_interface interface;
  83        struct shmob_drm_sys_interface_data sys;
  84        unsigned int clk_div;
  85        unsigned int flags;
  86};
  87
  88struct shmob_drm_platform_data {
  89        enum shmob_drm_clk_source clk_source;
  90        struct shmob_drm_interface_data iface;
  91        struct shmob_drm_panel_data panel;
  92        struct shmob_drm_backlight_data backlight;
  93};
  94
  95#endif /* __SHMOB_DRM_H__ */
  96