drivers/video/tegra/dc/hdmi.h

   1 /*
   2  * drivers/video/tegra/dc/hdmi.h
   3  *
   4  * non-tegra specific HDMI declarations
   5  *
   6  * Copyright (C) 2010 Google, Inc.
   7  * Author: Erik Gilling <konkers@android.com>
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #ifndef __DRIVERS_VIDEO_TEGRA_DC_HDMI_H
  21 #define __DRIVERS_VIDEO_TEGRA_DC_HDMI_H
  22
  23 #define HDMI_INFOFRAME_TYPE_VENDOR      0x81
  24 #define HDMI_INFOFRAME_TYPE_AVI         0x82
  25 #define HDMI_INFOFRAME_TYPE_SPD         0x83
  26 #define HDMI_INFOFRAME_TYPE_AUDIO       0x84
  27 #define HDMI_INFOFRAME_TYPE_MPEG_SRC    0x85
  28 #define HDMI_INFOFRAME_TYPE_NTSC_VBI    0x86
  29
  30 /* all fields little endian */
  31 struct hdmi_avi_infoframe {
  32         /* PB0 */
  33         u8              csum;
  34
  35         /* PB1 */
  36         unsigned        s:2;    /* scan information */
  37         unsigned        b:2;    /* bar info data valid */
  38         unsigned        a:1;    /* active info present */
  39         unsigned        y:2;    /* RGB or YCbCr */
  40         unsigned        res1:1;
  41
  42         /* PB2 */
  43         unsigned        r:4;    /* active format aspect ratio */
  44         unsigned        m:2;    /* picture aspect ratio */
  45         unsigned        c:2;    /* colorimetry */
  46
  47         /* PB3 */
  48         unsigned        sc:2;   /* scan information */
  49         unsigned        q:2;    /* quantization range */
  50         unsigned        ec:3;   /* extended colorimetry */
  51         unsigned        itc:1;  /* it content */
  52
  53         /* PB4 */
  54         unsigned        vic:7;  /* video format id code */
  55         unsigned        res4:1;
  56
  57         /* PB5 */
  58         unsigned        pr:4;   /* pixel repetition factor */
  59         unsigned        cn:2;   /* it content type*/
  60         unsigned        yq:2;   /* ycc quantization range */
  61
  62         /* PB6-7 */
  63         u16             top_bar_end_line;
  64
  65         /* PB8-9 */
  66         u16             bot_bar_start_line;
  67
  68         /* PB10-11 */
  69         u16             left_bar_end_pixel;
  70
  71         /* PB12-13 */
  72         u16             right_bar_start_pixel;
  73 } __attribute__((packed));
  74
  75 #define HDMI_AVI_VERSION                0x02
  76
  77 #define HDMI_AVI_Y_RGB                  0x0
  78 #define HDMI_AVI_Y_YCBCR_422            0x1
  79 #define HDMI_AVI_Y_YCBCR_444            0x2
  80
  81 #define HDMI_AVI_B_VERT                 0x1
  82 #define HDMI_AVI_B_HORIZ                0x2
  83
  84 #define HDMI_AVI_S_NONE                 0x0
  85 #define HDMI_AVI_S_OVERSCAN             0x1
  86 #define HDMI_AVI_S_UNDERSCAN            0x2
  87
  88 #define HDMI_AVI_C_NONE                 0x0
  89 #define HDMI_AVI_C_SMPTE                0x1
  90 #define HDMI_AVI_C_ITU_R                0x2
  91 #define HDMI_AVI_C_EXTENDED             0x4
  92
  93 #define HDMI_AVI_M_4_3                  0x1
  94 #define HDMI_AVI_M_16_9                 0x2
  95
  96 #define HDMI_AVI_R_SAME                 0x8
  97 #define HDMI_AVI_R_4_3_CENTER           0x9
  98 #define HDMI_AVI_R_16_9_CENTER          0xa
  99 #define HDMI_AVI_R_14_9_CENTER          0xb
 100
 101 /* all fields little endian */
 102 struct hdmi_audio_infoframe {
 103         /* PB0 */
 104         u8              csum;
 105
 106         /* PB1 */
 107         unsigned        cc:3;           /* channel count */
 108         unsigned        res1:1;
 109         unsigned        ct:4;           /* coding type */
 110
 111         /* PB2 */
 112         unsigned        ss:2;           /* sample size */
 113         unsigned        sf:3;           /* sample frequency */
 114         unsigned        res2:3;
 115
 116         /* PB3 */
 117         unsigned        cxt:5;          /* coding extention type */
 118         unsigned        res3:3;
 119
 120         /* PB4 */
 121         u8              ca;             /* channel/speaker allocation */
 122
 123         /* PB5 */
 124         unsigned        res5:3;
 125         unsigned        lsv:4;          /* level shift value */
 126         unsigned        dm_inh:1;       /* downmix inhibit */
 127
 128         /* PB6-10 reserved */
 129         u8              res6;
 130         u8              res7;
 131         u8              res8;
 132         u8              res9;
 133         u8              res10;
 134 } __attribute__((packed));
 135
 136 #define HDMI_AUDIO_VERSION              0x01
 137
 138 #define HDMI_AUDIO_CC_STREAM            0x0 /* specified by audio stream */
 139 #define HDMI_AUDIO_CC_2                 0x1
 140 #define HDMI_AUDIO_CC_3                 0x2
 141 #define HDMI_AUDIO_CC_4                 0x3
 142 #define HDMI_AUDIO_CC_5                 0x4
 143 #define HDMI_AUDIO_CC_6                 0x5
 144 #define HDMI_AUDIO_CC_7                 0x6
 145 #define HDMI_AUDIO_CC_8                 0x7
 146
 147 #define HDMI_AUDIO_CT_STREAM            0x0 /* specified by audio stream */
 148 #define HDMI_AUDIO_CT_PCM               0x1
 149 #define HDMI_AUDIO_CT_AC3               0x2
 150 #define HDMI_AUDIO_CT_MPEG1             0x3
 151 #define HDMI_AUDIO_CT_MP3               0x4
 152 #define HDMI_AUDIO_CT_MPEG2             0x5
 153 #define HDMI_AUDIO_CT_AAC_LC            0x6
 154 #define HDMI_AUDIO_CT_DTS               0x7
 155 #define HDMI_AUDIO_CT_ATRAC             0x8
 156 #define HDMI_AUDIO_CT_DSD               0x9
 157 #define HDMI_AUDIO_CT_E_AC3             0xa
 158 #define HDMI_AUDIO_CT_DTS_HD            0xb
 159 #define HDMI_AUDIO_CT_MLP               0xc
 160 #define HDMI_AUDIO_CT_DST               0xd
 161 #define HDMI_AUDIO_CT_WMA_PRO           0xe
 162 #define HDMI_AUDIO_CT_CXT               0xf
 163
 164 #define HDMI_AUDIO_SF_STREAM            0x0 /* specified by audio stream */
 165 #define HDMI_AUIDO_SF_32K               0x1
 166 #define HDMI_AUDIO_SF_44_1K             0x2
 167 #define HDMI_AUDIO_SF_48K               0x3
 168 #define HDMI_AUDIO_SF_88_2K             0x4
 169 #define HDMI_AUDIO_SF_96K               0x5
 170 #define HDMI_AUDIO_SF_176_4K            0x6
 171 #define HDMI_AUDIO_SF_192K              0x7
 172
 173 #define HDMI_AUDIO_SS_STREAM            0x0 /* specified by audio stream */
 174 #define HDMI_AUDIO_SS_16BIT             0x1
 175 #define HDMI_AUDIO_SS_20BIT             0x2
 176 #define HDMI_AUDIO_SS_24BIT             0x3
 177
 178 #define HDMI_AUDIO_CXT_CT               0x0 /* refer to coding in CT */
 179 #define HDMI_AUDIO_CXT_HE_AAC           0x1
 180 #define HDMI_AUDIO_CXT_HE_AAC_V2        0x2
 181 #define HDMI_AUDIO_CXT_MPEG_SURROUND    0x3
 182
 183 struct tegra_dc_hdmi_data;
 184
 185 unsigned long tegra_hdmi_readl(struct tegra_dc_hdmi_data *hdmi,
 186                                 unsigned long reg);
 187 void tegra_hdmi_writel(struct tegra_dc_hdmi_data *hdmi,
 188                                 unsigned long val, unsigned long reg);
 189 #endif