LXR linux/include/linux/platform_data/shmob

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * shmob_drm.h  --  SH Mobile DRM driver
   4 *
   5 * Copyright (C) 2012 Renesas Corporation
   6 *
   7 * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   8 */
   9
  10#ifndef __SHMOB_DRM_H__
  11#define __SHMOB_DRM_H__
  12
  13#include <linux/kernel.h>
  14
  15#include <drm/drm_mode.h>
  16
  17enum shmob_drm_clk_source {
  18        SHMOB_DRM_CLK_BUS,
  19        SHMOB_DRM_CLK_PERIPHERAL,
  20        SHMOB_DRM_CLK_EXTERNAL,
  21};
  22
  23enum shmob_drm_interface {
  24        SHMOB_DRM_IFACE_RGB8,           /* 24bpp, 8:8:8 */
  25        SHMOB_DRM_IFACE_RGB9,           /* 18bpp, 9:9 */
  26        SHMOB_DRM_IFACE_RGB12A,         /* 24bpp, 12:12 */
  27        SHMOB_DRM_IFACE_RGB12B,         /* 12bpp */
  28        SHMOB_DRM_IFACE_RGB16,          /* 16bpp */
  29        SHMOB_DRM_IFACE_RGB18,          /* 18bpp */
  30        SHMOB_DRM_IFACE_RGB24,          /* 24bpp */
  31        SHMOB_DRM_IFACE_YUV422,         /* 16bpp */
  32        SHMOB_DRM_IFACE_SYS8A,          /* 24bpp, 8:8:8 */
  33        SHMOB_DRM_IFACE_SYS8B,          /* 18bpp, 8:8:2 */
  34        SHMOB_DRM_IFACE_SYS8C,          /* 18bpp, 2:8:8 */
  35        SHMOB_DRM_IFACE_SYS8D,          /* 16bpp, 8:8 */
  36        SHMOB_DRM_IFACE_SYS9,           /* 18bpp, 9:9 */
  37        SHMOB_DRM_IFACE_SYS12,          /* 24bpp, 12:12 */
  38        SHMOB_DRM_IFACE_SYS16A,         /* 16bpp */
  39        SHMOB_DRM_IFACE_SYS16B,         /* 18bpp, 16:2 */
  40        SHMOB_DRM_IFACE_SYS16C,         /* 18bpp, 2:16 */
  41        SHMOB_DRM_IFACE_SYS18,          /* 18bpp */
  42        SHMOB_DRM_IFACE_SYS24,          /* 24bpp */
  43};
  44
  45struct shmob_drm_backlight_data {
  46        const char *name;
  47        int max_brightness;
  48        int (*get_brightness)(void);
  49        int (*set_brightness)(int brightness);
  50};
  51
  52struct shmob_drm_panel_data {
  53        unsigned int width_mm;          /* Panel width in mm */
  54        unsigned int height_mm;         /* Panel height in mm */
  55        struct drm_mode_modeinfo mode;
  56};
  57
  58struct shmob_drm_sys_interface_data {
  59        unsigned int read_latch:6;
  60        unsigned int read_setup:8;
  61        unsigned int read_cycle:8;
  62        unsigned int read_strobe:8;
  63        unsigned int write_setup:8;
  64        unsigned int write_cycle:8;
  65        unsigned int write_strobe:8;
  66        unsigned int cs_setup:3;
  67        unsigned int vsync_active_high:1;
  68        unsigned int vsync_dir_input:1;
  69};
  70
  71#define SHMOB_DRM_IFACE_FL_DWPOL (1 << 0) /* Rising edge dot clock data latch */
  72#define SHMOB_DRM_IFACE_FL_DIPOL (1 << 1) /* Active low display enable */
  73#define SHMOB_DRM_IFACE_FL_DAPOL (1 << 2) /* Active low display data */
  74#define SHMOB_DRM_IFACE_FL_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
  75#define SHMOB_DRM_IFACE_FL_DWCNT (1 << 4) /* Disable dotclock during blanking */
  76
  77struct shmob_drm_interface_data {
  78        enum shmob_drm_interface interface;
  79        struct shmob_drm_sys_interface_data sys;
  80        unsigned int clk_div;
  81        unsigned int flags;
  82};
  83
  84struct shmob_drm_platform_data {
  85        enum shmob_drm_clk_source clk_source;
  86        struct shmob_drm_interface_data iface;
  87        struct shmob_drm_panel_data panel;
  88        struct shmob_drm_backlight_data backlight;
  89};
  90
  91#endif /* __SHMOB_DRM_H__ */
  92