drivers/video/fbdev/omap2/omapfb/dss/dss_features.c

   1 /*
   2  * linux/drivers/video/omap2/dss/dss_features.c
   3  *
   4  * Copyright (C) 2010 Texas Instruments
   5  * Author: Archit Taneja <archit@ti.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <linux/kernel.h>
  21 #include <linux/module.h>
  22 #include <linux/types.h>
  23 #include <linux/err.h>
  24 #include <linux/slab.h>
  25
  26 #include <video/omapdss.h>
  27
  28 #include "dss.h"
  29 #include "dss_features.h"
  30
  31 /* Defines a generic omap register field */
  32 struct dss_reg_field {
  33         u8 start, end;
  34 };
  35
  36 struct dss_param_range {
  37         int min, max;
  38 };
  39
  40 struct omap_dss_features {
  41         const struct dss_reg_field *reg_fields;
  42         const int num_reg_fields;
  43
  44         const enum dss_feat_id *features;
  45         const int num_features;
  46
  47         const int num_mgrs;
  48         const int num_ovls;
  49         const enum omap_display_type *supported_displays;
  50         const enum omap_dss_output_id *supported_outputs;
  51         const enum omap_color_mode *supported_color_modes;
  52         const enum omap_overlay_caps *overlay_caps;
  53         const char * const *clksrc_names;
  54         const struct dss_param_range *dss_params;
  55
  56         const enum omap_dss_rotation_type supported_rotation_types;
  57
  58         const u32 buffer_size_unit;
  59         const u32 burst_size_unit;
  60 };
  61
  62 /* This struct is assigned to one of the below during initialization */
  63 static const struct omap_dss_features *omap_current_dss_features;
  64
  65 static const struct dss_reg_field omap2_dss_reg_fields[] = {
  66         [FEAT_REG_FIRHINC]                      = { 11, 0 },
  67         [FEAT_REG_FIRVINC]                      = { 27, 16 },
  68         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 8, 0 },
  69         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 24, 16 },
  70         [FEAT_REG_FIFOSIZE]                     = { 8, 0 },
  71         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  72         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  73         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  74 };
  75
  76 static const struct dss_reg_field omap3_dss_reg_fields[] = {
  77         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  78         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  79         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 11, 0 },
  80         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  81         [FEAT_REG_FIFOSIZE]                     = { 10, 0 },
  82         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  83         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  84         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  85 };
  86
  87 static const struct dss_reg_field am43xx_dss_reg_fields[] = {
  88         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  89         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  90         [FEAT_REG_FIFOLOWTHRESHOLD]     = { 11, 0 },
  91         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  92         [FEAT_REG_FIFOSIZE]             = { 10, 0 },
  93         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  94         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  95         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  96 };
  97
  98 static const struct dss_reg_field omap4_dss_reg_fields[] = {
  99         [FEAT_REG_FIRHINC]                      = { 12, 0 },
 100         [FEAT_REG_FIRVINC]                      = { 28, 16 },
 101         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
 102         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
 103         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
 104         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
 105         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
 106         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 8 },
 107 };
 108
 109 static const struct dss_reg_field omap5_dss_reg_fields[] = {
 110         [FEAT_REG_FIRHINC]                      = { 12, 0 },
 111         [FEAT_REG_FIRVINC]                      = { 28, 16 },
 112         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
 113         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
 114         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
 115         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
 116         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
 117         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 7 },
 118 };
 119
 120 static const enum omap_display_type omap2_dss_supported_displays[] = {
 121         /* OMAP_DSS_CHANNEL_LCD */
 122         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 123
 124         /* OMAP_DSS_CHANNEL_DIGIT */
 125         OMAP_DISPLAY_TYPE_VENC,
 126 };
 127
 128 static const enum omap_display_type omap3430_dss_supported_displays[] = {
 129         /* OMAP_DSS_CHANNEL_LCD */
 130         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 131         OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
 132
 133         /* OMAP_DSS_CHANNEL_DIGIT */
 134         OMAP_DISPLAY_TYPE_VENC,
 135 };
 136
 137 static const enum omap_display_type omap3630_dss_supported_displays[] = {
 138         /* OMAP_DSS_CHANNEL_LCD */
 139         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 140         OMAP_DISPLAY_TYPE_DSI,
 141
 142         /* OMAP_DSS_CHANNEL_DIGIT */
 143         OMAP_DISPLAY_TYPE_VENC,
 144 };
 145
 146 static const enum omap_display_type am43xx_dss_supported_displays[] = {
 147         /* OMAP_DSS_CHANNEL_LCD */
 148         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 149 };
 150
 151 static const enum omap_display_type omap4_dss_supported_displays[] = {
 152         /* OMAP_DSS_CHANNEL_LCD */
 153         OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
 154
 155         /* OMAP_DSS_CHANNEL_DIGIT */
 156         OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
 157
 158         /* OMAP_DSS_CHANNEL_LCD2 */
 159         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 160         OMAP_DISPLAY_TYPE_DSI,
 161 };
 162
 163 static const enum omap_display_type omap5_dss_supported_displays[] = {
 164         /* OMAP_DSS_CHANNEL_LCD */
 165         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 166         OMAP_DISPLAY_TYPE_DSI,
 167
 168         /* OMAP_DSS_CHANNEL_DIGIT */
 169         OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
 170
 171         /* OMAP_DSS_CHANNEL_LCD2 */
 172         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 173         OMAP_DISPLAY_TYPE_DSI,
 174 };
 175
 176 static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
 177         /* OMAP_DSS_CHANNEL_LCD */
 178         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 179
 180         /* OMAP_DSS_CHANNEL_DIGIT */
 181         OMAP_DSS_OUTPUT_VENC,
 182 };
 183
 184 static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
 185         /* OMAP_DSS_CHANNEL_LCD */
 186         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 187         OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
 188
 189         /* OMAP_DSS_CHANNEL_DIGIT */
 190         OMAP_DSS_OUTPUT_VENC,
 191 };
 192
 193 static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
 194         /* OMAP_DSS_CHANNEL_LCD */
 195         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 196         OMAP_DSS_OUTPUT_DSI1,
 197
 198         /* OMAP_DSS_CHANNEL_DIGIT */
 199         OMAP_DSS_OUTPUT_VENC,
 200 };
 201
 202 static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
 203         /* OMAP_DSS_CHANNEL_LCD */
 204         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 205 };
 206
 207 static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
 208         /* OMAP_DSS_CHANNEL_LCD */
 209         OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
 210
 211         /* OMAP_DSS_CHANNEL_DIGIT */
 212         OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
 213
 214         /* OMAP_DSS_CHANNEL_LCD2 */
 215         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 216         OMAP_DSS_OUTPUT_DSI2,
 217 };
 218
 219 static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
 220         /* OMAP_DSS_CHANNEL_LCD */
 221         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 222         OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
 223
 224         /* OMAP_DSS_CHANNEL_DIGIT */
 225         OMAP_DSS_OUTPUT_HDMI,
 226
 227         /* OMAP_DSS_CHANNEL_LCD2 */
 228         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 229         OMAP_DSS_OUTPUT_DSI1,
 230
 231         /* OMAP_DSS_CHANNEL_LCD3 */
 232         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 233         OMAP_DSS_OUTPUT_DSI2,
 234 };
 235
 236 static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
 237         /* OMAP_DSS_GFX */
 238         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 239         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 240         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 241         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
 242
 243         /* OMAP_DSS_VIDEO1 */
 244         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 245         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 246         OMAP_DSS_COLOR_UYVY,
 247
 248         /* OMAP_DSS_VIDEO2 */
 249         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 250         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 251         OMAP_DSS_COLOR_UYVY,
 252 };
 253
 254 static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
 255         /* OMAP_DSS_GFX */
 256         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 257         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 258         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 259         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 260         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 261         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 262
 263         /* OMAP_DSS_VIDEO1 */
 264         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
 265         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 266         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
 267
 268         /* OMAP_DSS_VIDEO2 */
 269         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 270         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 271         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 272         OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
 273         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 274 };
 275
 276 static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
 277         /* OMAP_DSS_GFX */
 278         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 279         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 280         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 281         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 282         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 283         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
 284         OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
 285         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
 286
 287         /* OMAP_DSS_VIDEO1 */
 288         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 289         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 290         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 291         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 292         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 293         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 294         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 295         OMAP_DSS_COLOR_RGBX32,
 296
 297        /* OMAP_DSS_VIDEO2 */
 298         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 299         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 300         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 301         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 302         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 303         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 304         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 305         OMAP_DSS_COLOR_RGBX32,
 306
 307         /* OMAP_DSS_VIDEO3 */
 308         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 309         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 310         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 311         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 312         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 313         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 314         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 315         OMAP_DSS_COLOR_RGBX32,
 316
 317         /* OMAP_DSS_WB */
 318         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 319         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 320         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 321         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 322         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 323         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 324         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 325         OMAP_DSS_COLOR_RGBX32,
 326 };
 327
 328 static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
 329         /* OMAP_DSS_GFX */
 330         OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 331
 332         /* OMAP_DSS_VIDEO1 */
 333         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 334                 OMAP_DSS_OVL_CAP_REPLICATION,
 335
 336         /* OMAP_DSS_VIDEO2 */
 337         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 338                 OMAP_DSS_OVL_CAP_REPLICATION,
 339 };
 340
 341 static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
 342         /* OMAP_DSS_GFX */
 343         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
 344                 OMAP_DSS_OVL_CAP_REPLICATION,
 345
 346         /* OMAP_DSS_VIDEO1 */
 347         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 348                 OMAP_DSS_OVL_CAP_REPLICATION,
 349
 350         /* OMAP_DSS_VIDEO2 */
 351         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 352                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 353 };
 354
 355 static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
 356         /* OMAP_DSS_GFX */
 357         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 358                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 359
 360         /* OMAP_DSS_VIDEO1 */
 361         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 362                 OMAP_DSS_OVL_CAP_REPLICATION,
 363
 364         /* OMAP_DSS_VIDEO2 */
 365         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 366                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
 367                 OMAP_DSS_OVL_CAP_REPLICATION,
 368 };
 369
 370 static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
 371         /* OMAP_DSS_GFX */
 372         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 373                 OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
 374                 OMAP_DSS_OVL_CAP_REPLICATION,
 375
 376         /* OMAP_DSS_VIDEO1 */
 377         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 378                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 379                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 380
 381         /* OMAP_DSS_VIDEO2 */
 382         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 383                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 384                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 385
 386         /* OMAP_DSS_VIDEO3 */
 387         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 388                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 389                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 390 };
 391
 392 static const char * const omap2_dss_clk_source_names[] = {
 393         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "N/A",
 394         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "N/A",
 395         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK1",
 396 };
 397
 398 static const char * const omap3_dss_clk_source_names[] = {
 399         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DSI1_PLL_FCLK",
 400         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DSI2_PLL_FCLK",
 401         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS1_ALWON_FCLK",
 402 };
 403
 404 static const char * const omap4_dss_clk_source_names[] = {
 405         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "PLL1_CLK1",
 406         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "PLL1_CLK2",
 407         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK",
 408         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "PLL2_CLK1",
 409         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "PLL2_CLK2",
 410 };
 411
 412 static const char * const omap5_dss_clk_source_names[] = {
 413         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DPLL_DSI1_A_CLK1",
 414         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DPLL_DSI1_A_CLK2",
 415         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_CLK",
 416         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "DPLL_DSI1_C_CLK1",
 417         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "DPLL_DSI1_C_CLK2",
 418 };
 419
 420 static const struct dss_param_range omap2_dss_param_range[] = {
 421         [FEAT_PARAM_DSS_FCK]                    = { 0, 133000000 },
 422         [FEAT_PARAM_DSS_PCD]                    = { 2, 255 },
 423         [FEAT_PARAM_DOWNSCALE]                  = { 1, 2 },
 424         /*
 425          * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
 426          * scaler cannot scale a image with width more than 768.
 427          */
 428         [FEAT_PARAM_LINEWIDTH]                  = { 1, 768 },
 429 };
 430
 431 static const struct dss_param_range omap3_dss_param_range[] = {
 432         [FEAT_PARAM_DSS_FCK]                    = { 0, 173000000 },
 433         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 434         [FEAT_PARAM_DSIPLL_LPDIV]               = { 1, (1 << 13) - 1},
 435         [FEAT_PARAM_DSI_FCK]                    = { 0, 173000000 },
 436         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 437         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 438 };
 439
 440 static const struct dss_param_range am43xx_dss_param_range[] = {
 441         [FEAT_PARAM_DSS_FCK]                    = { 0, 200000000 },
 442         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 443         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 444         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 445 };
 446
 447 static const struct dss_param_range omap4_dss_param_range[] = {
 448         [FEAT_PARAM_DSS_FCK]                    = { 0, 186000000 },
 449         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 450         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 451         [FEAT_PARAM_DSI_FCK]                    = { 0, 170000000 },
 452         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 453         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 454 };
 455
 456 static const struct dss_param_range omap5_dss_param_range[] = {
 457         [FEAT_PARAM_DSS_FCK]                    = { 0, 209250000 },
 458         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 459         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 460         [FEAT_PARAM_DSI_FCK]                    = { 0, 209250000 },
 461         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 462         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 463 };
 464
 465 static const enum dss_feat_id omap2_dss_feat_list[] = {
 466         FEAT_LCDENABLEPOL,
 467         FEAT_LCDENABLESIGNAL,
 468         FEAT_PCKFREEENABLE,
 469         FEAT_FUNCGATED,
 470         FEAT_ROWREPEATENABLE,
 471         FEAT_RESIZECONF,
 472 };
 473
 474 static const enum dss_feat_id omap3430_dss_feat_list[] = {
 475         FEAT_LCDENABLEPOL,
 476         FEAT_LCDENABLESIGNAL,
 477         FEAT_PCKFREEENABLE,
 478         FEAT_FUNCGATED,
 479         FEAT_LINEBUFFERSPLIT,
 480         FEAT_ROWREPEATENABLE,
 481         FEAT_RESIZECONF,
 482         FEAT_DSI_REVERSE_TXCLKESC,
 483         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 484         FEAT_CPR,
 485         FEAT_PRELOAD,
 486         FEAT_FIR_COEF_V,
 487         FEAT_ALPHA_FIXED_ZORDER,
 488         FEAT_FIFO_MERGE,
 489         FEAT_OMAP3_DSI_FIFO_BUG,
 490         FEAT_DPI_USES_VDDS_DSI,
 491 };
 492
 493 static const enum dss_feat_id am35xx_dss_feat_list[] = {
 494         FEAT_LCDENABLEPOL,
 495         FEAT_LCDENABLESIGNAL,
 496         FEAT_PCKFREEENABLE,
 497         FEAT_FUNCGATED,
 498         FEAT_LINEBUFFERSPLIT,
 499         FEAT_ROWREPEATENABLE,
 500         FEAT_RESIZECONF,
 501         FEAT_DSI_REVERSE_TXCLKESC,
 502         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 503         FEAT_CPR,
 504         FEAT_PRELOAD,
 505         FEAT_FIR_COEF_V,
 506         FEAT_ALPHA_FIXED_ZORDER,
 507         FEAT_FIFO_MERGE,
 508         FEAT_OMAP3_DSI_FIFO_BUG,
 509 };
 510
 511 static const enum dss_feat_id am43xx_dss_feat_list[] = {
 512         FEAT_LCDENABLEPOL,
 513         FEAT_LCDENABLESIGNAL,
 514         FEAT_PCKFREEENABLE,
 515         FEAT_FUNCGATED,
 516         FEAT_LINEBUFFERSPLIT,
 517         FEAT_ROWREPEATENABLE,
 518         FEAT_RESIZECONF,
 519         FEAT_CPR,
 520         FEAT_PRELOAD,
 521         FEAT_FIR_COEF_V,
 522         FEAT_ALPHA_FIXED_ZORDER,
 523         FEAT_FIFO_MERGE,
 524 };
 525
 526 static const enum dss_feat_id omap3630_dss_feat_list[] = {
 527         FEAT_LCDENABLEPOL,
 528         FEAT_LCDENABLESIGNAL,
 529         FEAT_PCKFREEENABLE,
 530         FEAT_FUNCGATED,
 531         FEAT_LINEBUFFERSPLIT,
 532         FEAT_ROWREPEATENABLE,
 533         FEAT_RESIZECONF,
 534         FEAT_DSI_PLL_PWR_BUG,
 535         FEAT_CPR,
 536         FEAT_PRELOAD,
 537         FEAT_FIR_COEF_V,
 538         FEAT_ALPHA_FIXED_ZORDER,
 539         FEAT_FIFO_MERGE,
 540         FEAT_OMAP3_DSI_FIFO_BUG,
 541         FEAT_DPI_USES_VDDS_DSI,
 542 };
 543
 544 static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
 545         FEAT_MGR_LCD2,
 546         FEAT_CORE_CLK_DIV,
 547         FEAT_LCD_CLK_SRC,
 548         FEAT_DSI_DCS_CMD_CONFIG_VC,
 549         FEAT_DSI_VC_OCP_WIDTH,
 550         FEAT_DSI_GNQ,
 551         FEAT_HANDLE_UV_SEPARATE,
 552         FEAT_ATTR2,
 553         FEAT_CPR,
 554         FEAT_PRELOAD,
 555         FEAT_FIR_COEF_V,
 556         FEAT_ALPHA_FREE_ZORDER,
 557         FEAT_FIFO_MERGE,
 558         FEAT_BURST_2D,
 559 };
 560
 561 static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
 562         FEAT_MGR_LCD2,
 563         FEAT_CORE_CLK_DIV,
 564         FEAT_LCD_CLK_SRC,
 565         FEAT_DSI_DCS_CMD_CONFIG_VC,
 566         FEAT_DSI_VC_OCP_WIDTH,
 567         FEAT_DSI_GNQ,
 568         FEAT_HDMI_CTS_SWMODE,
 569         FEAT_HANDLE_UV_SEPARATE,
 570         FEAT_ATTR2,
 571         FEAT_CPR,
 572         FEAT_PRELOAD,
 573         FEAT_FIR_COEF_V,
 574         FEAT_ALPHA_FREE_ZORDER,
 575         FEAT_FIFO_MERGE,
 576         FEAT_BURST_2D,
 577 };
 578
 579 static const enum dss_feat_id omap4_dss_feat_list[] = {
 580         FEAT_MGR_LCD2,
 581         FEAT_CORE_CLK_DIV,
 582         FEAT_LCD_CLK_SRC,
 583         FEAT_DSI_DCS_CMD_CONFIG_VC,
 584         FEAT_DSI_VC_OCP_WIDTH,
 585         FEAT_DSI_GNQ,
 586         FEAT_HDMI_CTS_SWMODE,
 587         FEAT_HDMI_AUDIO_USE_MCLK,
 588         FEAT_HANDLE_UV_SEPARATE,
 589         FEAT_ATTR2,
 590         FEAT_CPR,
 591         FEAT_PRELOAD,
 592         FEAT_FIR_COEF_V,
 593         FEAT_ALPHA_FREE_ZORDER,
 594         FEAT_FIFO_MERGE,
 595         FEAT_BURST_2D,
 596 };
 597
 598 static const enum dss_feat_id omap5_dss_feat_list[] = {
 599         FEAT_MGR_LCD2,
 600         FEAT_MGR_LCD3,
 601         FEAT_CORE_CLK_DIV,
 602         FEAT_LCD_CLK_SRC,
 603         FEAT_DSI_DCS_CMD_CONFIG_VC,
 604         FEAT_DSI_VC_OCP_WIDTH,
 605         FEAT_DSI_GNQ,
 606         FEAT_HDMI_CTS_SWMODE,
 607         FEAT_HDMI_AUDIO_USE_MCLK,
 608         FEAT_HANDLE_UV_SEPARATE,
 609         FEAT_ATTR2,
 610         FEAT_CPR,
 611         FEAT_PRELOAD,
 612         FEAT_FIR_COEF_V,
 613         FEAT_ALPHA_FREE_ZORDER,
 614         FEAT_FIFO_MERGE,
 615         FEAT_BURST_2D,
 616         FEAT_DSI_PHY_DCC,
 617         FEAT_MFLAG,
 618 };
 619
 620 /* OMAP2 DSS Features */
 621 static const struct omap_dss_features omap2_dss_features = {
 622         .reg_fields = omap2_dss_reg_fields,
 623         .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
 624
 625         .features = omap2_dss_feat_list,
 626         .num_features = ARRAY_SIZE(omap2_dss_feat_list),
 627
 628         .num_mgrs = 2,
 629         .num_ovls = 3,
 630         .supported_displays = omap2_dss_supported_displays,
 631         .supported_outputs = omap2_dss_supported_outputs,
 632         .supported_color_modes = omap2_dss_supported_color_modes,
 633         .overlay_caps = omap2_dss_overlay_caps,
 634         .clksrc_names = omap2_dss_clk_source_names,
 635         .dss_params = omap2_dss_param_range,
 636         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 637         .buffer_size_unit = 1,
 638         .burst_size_unit = 8,
 639 };
 640
 641 /* OMAP3 DSS Features */
 642 static const struct omap_dss_features omap3430_dss_features = {
 643         .reg_fields = omap3_dss_reg_fields,
 644         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 645
 646         .features = omap3430_dss_feat_list,
 647         .num_features = ARRAY_SIZE(omap3430_dss_feat_list),
 648
 649         .num_mgrs = 2,
 650         .num_ovls = 3,
 651         .supported_displays = omap3430_dss_supported_displays,
 652         .supported_outputs = omap3430_dss_supported_outputs,
 653         .supported_color_modes = omap3_dss_supported_color_modes,
 654         .overlay_caps = omap3430_dss_overlay_caps,
 655         .clksrc_names = omap3_dss_clk_source_names,
 656         .dss_params = omap3_dss_param_range,
 657         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 658         .buffer_size_unit = 1,
 659         .burst_size_unit = 8,
 660 };
 661
 662 /*
 663  * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
 664  * vdds_dsi regulator.
 665  */
 666 static const struct omap_dss_features am35xx_dss_features = {
 667         .reg_fields = omap3_dss_reg_fields,
 668         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 669
 670         .features = am35xx_dss_feat_list,
 671         .num_features = ARRAY_SIZE(am35xx_dss_feat_list),
 672
 673         .num_mgrs = 2,
 674         .num_ovls = 3,
 675         .supported_displays = omap3430_dss_supported_displays,
 676         .supported_outputs = omap3430_dss_supported_outputs,
 677         .supported_color_modes = omap3_dss_supported_color_modes,
 678         .overlay_caps = omap3430_dss_overlay_caps,
 679         .clksrc_names = omap3_dss_clk_source_names,
 680         .dss_params = omap3_dss_param_range,
 681         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 682         .buffer_size_unit = 1,
 683         .burst_size_unit = 8,
 684 };
 685
 686 static const struct omap_dss_features am43xx_dss_features = {
 687         .reg_fields = am43xx_dss_reg_fields,
 688         .num_reg_fields = ARRAY_SIZE(am43xx_dss_reg_fields),
 689
 690         .features = am43xx_dss_feat_list,
 691         .num_features = ARRAY_SIZE(am43xx_dss_feat_list),
 692
 693         .num_mgrs = 1,
 694         .num_ovls = 3,
 695         .supported_displays = am43xx_dss_supported_displays,
 696         .supported_outputs = am43xx_dss_supported_outputs,
 697         .supported_color_modes = omap3_dss_supported_color_modes,
 698         .overlay_caps = omap3430_dss_overlay_caps,
 699         .clksrc_names = omap2_dss_clk_source_names,
 700         .dss_params = am43xx_dss_param_range,
 701         .supported_rotation_types = OMAP_DSS_ROT_DMA,
 702         .buffer_size_unit = 1,
 703         .burst_size_unit = 8,
 704 };
 705
 706 static const struct omap_dss_features omap3630_dss_features = {
 707         .reg_fields = omap3_dss_reg_fields,
 708         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 709
 710         .features = omap3630_dss_feat_list,
 711         .num_features = ARRAY_SIZE(omap3630_dss_feat_list),
 712
 713         .num_mgrs = 2,
 714         .num_ovls = 3,
 715         .supported_displays = omap3630_dss_supported_displays,
 716         .supported_outputs = omap3630_dss_supported_outputs,
 717         .supported_color_modes = omap3_dss_supported_color_modes,
 718         .overlay_caps = omap3630_dss_overlay_caps,
 719         .clksrc_names = omap3_dss_clk_source_names,
 720         .dss_params = omap3_dss_param_range,
 721         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 722         .buffer_size_unit = 1,
 723         .burst_size_unit = 8,
 724 };
 725
 726 /* OMAP4 DSS Features */
 727 /* For OMAP4430 ES 1.0 revision */
 728 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 729         .reg_fields = omap4_dss_reg_fields,
 730         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 731
 732         .features = omap4430_es1_0_dss_feat_list,
 733         .num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
 734
 735         .num_mgrs = 3,
 736         .num_ovls = 4,
 737         .supported_displays = omap4_dss_supported_displays,
 738         .supported_outputs = omap4_dss_supported_outputs,
 739         .supported_color_modes = omap4_dss_supported_color_modes,
 740         .overlay_caps = omap4_dss_overlay_caps,
 741         .clksrc_names = omap4_dss_clk_source_names,
 742         .dss_params = omap4_dss_param_range,
 743         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 744         .buffer_size_unit = 16,
 745         .burst_size_unit = 16,
 746 };
 747
 748 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 749 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 750         .reg_fields = omap4_dss_reg_fields,
 751         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 752
 753         .features = omap4430_es2_0_1_2_dss_feat_list,
 754         .num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
 755
 756         .num_mgrs = 3,
 757         .num_ovls = 4,
 758         .supported_displays = omap4_dss_supported_displays,
 759         .supported_outputs = omap4_dss_supported_outputs,
 760         .supported_color_modes = omap4_dss_supported_color_modes,
 761         .overlay_caps = omap4_dss_overlay_caps,
 762         .clksrc_names = omap4_dss_clk_source_names,
 763         .dss_params = omap4_dss_param_range,
 764         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 765         .buffer_size_unit = 16,
 766         .burst_size_unit = 16,
 767 };
 768
 769 /* For all the other OMAP4 versions */
 770 static const struct omap_dss_features omap4_dss_features = {
 771         .reg_fields = omap4_dss_reg_fields,
 772         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 773
 774         .features = omap4_dss_feat_list,
 775         .num_features = ARRAY_SIZE(omap4_dss_feat_list),
 776
 777         .num_mgrs = 3,
 778         .num_ovls = 4,
 779         .supported_displays = omap4_dss_supported_displays,
 780         .supported_outputs = omap4_dss_supported_outputs,
 781         .supported_color_modes = omap4_dss_supported_color_modes,
 782         .overlay_caps = omap4_dss_overlay_caps,
 783         .clksrc_names = omap4_dss_clk_source_names,
 784         .dss_params = omap4_dss_param_range,
 785         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 786         .buffer_size_unit = 16,
 787         .burst_size_unit = 16,
 788 };
 789
 790 /* OMAP5 DSS Features */
 791 static const struct omap_dss_features omap5_dss_features = {
 792         .reg_fields = omap5_dss_reg_fields,
 793         .num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
 794
 795         .features = omap5_dss_feat_list,
 796         .num_features = ARRAY_SIZE(omap5_dss_feat_list),
 797
 798         .num_mgrs = 4,
 799         .num_ovls = 4,
 800         .supported_displays = omap5_dss_supported_displays,
 801         .supported_outputs = omap5_dss_supported_outputs,
 802         .supported_color_modes = omap4_dss_supported_color_modes,
 803         .overlay_caps = omap4_dss_overlay_caps,
 804         .clksrc_names = omap5_dss_clk_source_names,
 805         .dss_params = omap5_dss_param_range,
 806         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 807         .buffer_size_unit = 16,
 808         .burst_size_unit = 16,
 809 };
 810
 811 /* Functions returning values related to a DSS feature */
 812 int dss_feat_get_num_mgrs(void)
 813 {
 814         return omap_current_dss_features->num_mgrs;
 815 }
 816 EXPORT_SYMBOL(dss_feat_get_num_mgrs);
 817
 818 int dss_feat_get_num_ovls(void)
 819 {
 820         return omap_current_dss_features->num_ovls;
 821 }
 822 EXPORT_SYMBOL(dss_feat_get_num_ovls);
 823
 824 unsigned long dss_feat_get_param_min(enum dss_range_param param)
 825 {
 826         return omap_current_dss_features->dss_params[param].min;
 827 }
 828
 829 unsigned long dss_feat_get_param_max(enum dss_range_param param)
 830 {
 831         return omap_current_dss_features->dss_params[param].max;
 832 }
 833
 834 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
 835 {
 836         return omap_current_dss_features->supported_displays[channel];
 837 }
 838
 839 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
 840 {
 841         return omap_current_dss_features->supported_outputs[channel];
 842 }
 843
 844 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
 845 {
 846         return omap_current_dss_features->supported_color_modes[plane];
 847 }
 848 EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
 849
 850 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
 851 {
 852         return omap_current_dss_features->overlay_caps[plane];
 853 }
 854
 855 bool dss_feat_color_mode_supported(enum omap_plane plane,
 856                 enum omap_color_mode color_mode)
 857 {
 858         return omap_current_dss_features->supported_color_modes[plane] &
 859                         color_mode;
 860 }
 861
 862 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
 863 {
 864         return omap_current_dss_features->clksrc_names[id];
 865 }
 866
 867 u32 dss_feat_get_buffer_size_unit(void)
 868 {
 869         return omap_current_dss_features->buffer_size_unit;
 870 }
 871
 872 u32 dss_feat_get_burst_size_unit(void)
 873 {
 874         return omap_current_dss_features->burst_size_unit;
 875 }
 876
 877 /* DSS has_feature check */
 878 bool dss_has_feature(enum dss_feat_id id)
 879 {
 880         int i;
 881         const enum dss_feat_id *features = omap_current_dss_features->features;
 882         const int num_features = omap_current_dss_features->num_features;
 883
 884         for (i = 0; i < num_features; i++) {
 885                 if (features[i] == id)
 886                         return true;
 887         }
 888
 889         return false;
 890 }
 891
 892 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
 893 {
 894         if (id >= omap_current_dss_features->num_reg_fields)
 895                 BUG();
 896
 897         *start = omap_current_dss_features->reg_fields[id].start;
 898         *end = omap_current_dss_features->reg_fields[id].end;
 899 }
 900
 901 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
 902 {
 903         return omap_current_dss_features->supported_rotation_types & rot_type;
 904 }
 905
 906 void dss_features_init(enum omapdss_version version)
 907 {
 908         switch (version) {
 909         case OMAPDSS_VER_OMAP24xx:
 910                 omap_current_dss_features = &omap2_dss_features;
 911                 break;
 912
 913         case OMAPDSS_VER_OMAP34xx_ES1:
 914         case OMAPDSS_VER_OMAP34xx_ES3:
 915                 omap_current_dss_features = &omap3430_dss_features;
 916                 break;
 917
 918         case OMAPDSS_VER_OMAP3630:
 919                 omap_current_dss_features = &omap3630_dss_features;
 920                 break;
 921
 922         case OMAPDSS_VER_OMAP4430_ES1:
 923                 omap_current_dss_features = &omap4430_es1_0_dss_features;
 924                 break;
 925
 926         case OMAPDSS_VER_OMAP4430_ES2:
 927                 omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
 928                 break;
 929
 930         case OMAPDSS_VER_OMAP4:
 931                 omap_current_dss_features = &omap4_dss_features;
 932                 break;
 933
 934         case OMAPDSS_VER_OMAP5:
 935         case OMAPDSS_VER_DRA7xx:
 936                 omap_current_dss_features = &omap5_dss_features;
 937                 break;
 938
 939         case OMAPDSS_VER_AM35xx:
 940                 omap_current_dss_features = &am35xx_dss_features;
 941                 break;
 942
 943         case OMAPDSS_VER_AM43xx:
 944                 omap_current_dss_features = &am43xx_dss_features;
 945                 break;
 946
 947         default:
 948                 DSSWARN("Unsupported OMAP version");
 949                 break;
 950         }
 951 }