drivers/video/omap2/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 int num_wbs;
  50         const enum omap_display_type *supported_displays;
  51         const enum omap_dss_output_id *supported_outputs;
  52         const enum omap_color_mode *supported_color_modes;
  53         const enum omap_overlay_caps *overlay_caps;
  54         const char * const *clksrc_names;
  55         const struct dss_param_range *dss_params;
  56
  57         const enum omap_dss_rotation_type supported_rotation_types;
  58
  59         const u32 buffer_size_unit;
  60         const u32 burst_size_unit;
  61 };
  62
  63 /* This struct is assigned to one of the below during initialization */
  64 static const struct omap_dss_features *omap_current_dss_features;
  65
  66 static const struct dss_reg_field omap2_dss_reg_fields[] = {
  67         [FEAT_REG_FIRHINC]                      = { 11, 0 },
  68         [FEAT_REG_FIRVINC]                      = { 27, 16 },
  69         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 8, 0 },
  70         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 24, 16 },
  71         [FEAT_REG_FIFOSIZE]                     = { 8, 0 },
  72         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  73         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  74         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  75         [FEAT_REG_DSIPLL_REGN]                  = { 0, 0 },
  76         [FEAT_REG_DSIPLL_REGM]                  = { 0, 0 },
  77         [FEAT_REG_DSIPLL_REGM_DISPC]            = { 0, 0 },
  78         [FEAT_REG_DSIPLL_REGM_DSI]              = { 0, 0 },
  79 };
  80
  81 static const struct dss_reg_field omap3_dss_reg_fields[] = {
  82         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  83         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  84         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 11, 0 },
  85         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  86         [FEAT_REG_FIFOSIZE]                     = { 10, 0 },
  87         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  88         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  89         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  90         [FEAT_REG_DSIPLL_REGN]                  = { 7, 1 },
  91         [FEAT_REG_DSIPLL_REGM]                  = { 18, 8 },
  92         [FEAT_REG_DSIPLL_REGM_DISPC]            = { 22, 19 },
  93         [FEAT_REG_DSIPLL_REGM_DSI]              = { 26, 23 },
  94 };
  95
  96 static const struct dss_reg_field omap4_dss_reg_fields[] = {
  97         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  98         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  99         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
 100         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
 101         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
 102         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
 103         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
 104         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 8 },
 105         [FEAT_REG_DSIPLL_REGN]                  = { 8, 1 },
 106         [FEAT_REG_DSIPLL_REGM]                  = { 20, 9 },
 107         [FEAT_REG_DSIPLL_REGM_DISPC]            = { 25, 21 },
 108         [FEAT_REG_DSIPLL_REGM_DSI]              = { 30, 26 },
 109 };
 110
 111 static const struct dss_reg_field omap5_dss_reg_fields[] = {
 112         [FEAT_REG_FIRHINC]                      = { 12, 0 },
 113         [FEAT_REG_FIRVINC]                      = { 28, 16 },
 114         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
 115         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
 116         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
 117         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
 118         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
 119         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 7 },
 120         [FEAT_REG_DSIPLL_REGN]                  = { 8, 1 },
 121         [FEAT_REG_DSIPLL_REGM]                  = { 20, 9 },
 122         [FEAT_REG_DSIPLL_REGM_DISPC]            = { 25, 21 },
 123         [FEAT_REG_DSIPLL_REGM_DSI]              = { 30, 26 },
 124 };
 125
 126 static const enum omap_display_type omap2_dss_supported_displays[] = {
 127         /* OMAP_DSS_CHANNEL_LCD */
 128         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 129
 130         /* OMAP_DSS_CHANNEL_DIGIT */
 131         OMAP_DISPLAY_TYPE_VENC,
 132 };
 133
 134 static const enum omap_display_type omap3430_dss_supported_displays[] = {
 135         /* OMAP_DSS_CHANNEL_LCD */
 136         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 137         OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
 138
 139         /* OMAP_DSS_CHANNEL_DIGIT */
 140         OMAP_DISPLAY_TYPE_VENC,
 141 };
 142
 143 static const enum omap_display_type omap3630_dss_supported_displays[] = {
 144         /* OMAP_DSS_CHANNEL_LCD */
 145         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 146         OMAP_DISPLAY_TYPE_DSI,
 147
 148         /* OMAP_DSS_CHANNEL_DIGIT */
 149         OMAP_DISPLAY_TYPE_VENC,
 150 };
 151
 152 static const enum omap_display_type omap4_dss_supported_displays[] = {
 153         /* OMAP_DSS_CHANNEL_LCD */
 154         OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
 155
 156         /* OMAP_DSS_CHANNEL_DIGIT */
 157         OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
 158
 159         /* OMAP_DSS_CHANNEL_LCD2 */
 160         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 161         OMAP_DISPLAY_TYPE_DSI,
 162 };
 163
 164 static const enum omap_display_type omap5_dss_supported_displays[] = {
 165         /* OMAP_DSS_CHANNEL_LCD */
 166         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 167         OMAP_DISPLAY_TYPE_DSI,
 168
 169         /* OMAP_DSS_CHANNEL_DIGIT */
 170         OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
 171
 172         /* OMAP_DSS_CHANNEL_LCD2 */
 173         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 174         OMAP_DISPLAY_TYPE_DSI,
 175 };
 176
 177 static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
 178         /* OMAP_DSS_CHANNEL_LCD */
 179         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 180
 181         /* OMAP_DSS_CHANNEL_DIGIT */
 182         OMAP_DSS_OUTPUT_VENC,
 183 };
 184
 185 static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
 186         /* OMAP_DSS_CHANNEL_LCD */
 187         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 188         OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
 189
 190         /* OMAP_DSS_CHANNEL_DIGIT */
 191         OMAP_DSS_OUTPUT_VENC,
 192 };
 193
 194 static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
 195         /* OMAP_DSS_CHANNEL_LCD */
 196         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 197         OMAP_DSS_OUTPUT_DSI1,
 198
 199         /* OMAP_DSS_CHANNEL_DIGIT */
 200         OMAP_DSS_OUTPUT_VENC,
 201 };
 202
 203 static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
 204         /* OMAP_DSS_CHANNEL_LCD */
 205         OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
 206
 207         /* OMAP_DSS_CHANNEL_DIGIT */
 208         OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
 209
 210         /* OMAP_DSS_CHANNEL_LCD2 */
 211         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 212         OMAP_DSS_OUTPUT_DSI2,
 213 };
 214
 215 static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
 216         /* OMAP_DSS_CHANNEL_LCD */
 217         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 218         OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
 219
 220         /* OMAP_DSS_CHANNEL_DIGIT */
 221         OMAP_DSS_OUTPUT_HDMI | OMAP_DSS_OUTPUT_DPI,
 222
 223         /* OMAP_DSS_CHANNEL_LCD2 */
 224         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 225         OMAP_DSS_OUTPUT_DSI1,
 226
 227         /* OMAP_DSS_CHANNEL_LCD3 */
 228         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 229         OMAP_DSS_OUTPUT_DSI2,
 230 };
 231
 232 static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
 233         /* OMAP_DSS_GFX */
 234         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 235         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 236         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 237         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
 238
 239         /* OMAP_DSS_VIDEO1 */
 240         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 241         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 242         OMAP_DSS_COLOR_UYVY,
 243
 244         /* OMAP_DSS_VIDEO2 */
 245         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 246         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 247         OMAP_DSS_COLOR_UYVY,
 248 };
 249
 250 static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
 251         /* OMAP_DSS_GFX */
 252         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 253         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 254         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 255         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 256         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 257         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 258
 259         /* OMAP_DSS_VIDEO1 */
 260         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
 261         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 262         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
 263
 264         /* OMAP_DSS_VIDEO2 */
 265         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 266         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 267         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 268         OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
 269         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 270 };
 271
 272 static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
 273         /* OMAP_DSS_GFX */
 274         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 275         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 276         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 277         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 278         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 279         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
 280         OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
 281         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
 282
 283         /* OMAP_DSS_VIDEO1 */
 284         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 285         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 286         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 287         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 288         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 289         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 290         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 291         OMAP_DSS_COLOR_RGBX32,
 292
 293        /* OMAP_DSS_VIDEO2 */
 294         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 295         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 296         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 297         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 298         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 299         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 300         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 301         OMAP_DSS_COLOR_RGBX32,
 302
 303         /* OMAP_DSS_VIDEO3 */
 304         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 305         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 306         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 307         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 308         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 309         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 310         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 311         OMAP_DSS_COLOR_RGBX32,
 312
 313         /* OMAP_DSS_WB */
 314         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 315         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 316         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 317         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 318         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 319         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 320         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 321         OMAP_DSS_COLOR_RGBX32,
 322 };
 323
 324 static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
 325         /* OMAP_DSS_GFX */
 326         OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 327
 328         /* OMAP_DSS_VIDEO1 */
 329         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 330                 OMAP_DSS_OVL_CAP_REPLICATION,
 331
 332         /* OMAP_DSS_VIDEO2 */
 333         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 334                 OMAP_DSS_OVL_CAP_REPLICATION,
 335 };
 336
 337 static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
 338         /* OMAP_DSS_GFX */
 339         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
 340                 OMAP_DSS_OVL_CAP_REPLICATION,
 341
 342         /* OMAP_DSS_VIDEO1 */
 343         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 344                 OMAP_DSS_OVL_CAP_REPLICATION,
 345
 346         /* OMAP_DSS_VIDEO2 */
 347         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 348                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 349 };
 350
 351 static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
 352         /* OMAP_DSS_GFX */
 353         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 354                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 355
 356         /* OMAP_DSS_VIDEO1 */
 357         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 358                 OMAP_DSS_OVL_CAP_REPLICATION,
 359
 360         /* OMAP_DSS_VIDEO2 */
 361         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 362                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
 363                 OMAP_DSS_OVL_CAP_REPLICATION,
 364 };
 365
 366 static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
 367         /* OMAP_DSS_GFX */
 368         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 369                 OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
 370                 OMAP_DSS_OVL_CAP_REPLICATION,
 371
 372         /* OMAP_DSS_VIDEO1 */
 373         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 374                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 375                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 376
 377         /* OMAP_DSS_VIDEO2 */
 378         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 379                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 380                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 381
 382         /* OMAP_DSS_VIDEO3 */
 383         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 384                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 385                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 386 };
 387
 388 static const char * const omap2_dss_clk_source_names[] = {
 389         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "N/A",
 390         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "N/A",
 391         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK1",
 392 };
 393
 394 static const char * const omap3_dss_clk_source_names[] = {
 395         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DSI1_PLL_FCLK",
 396         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DSI2_PLL_FCLK",
 397         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS1_ALWON_FCLK",
 398 };
 399
 400 static const char * const omap4_dss_clk_source_names[] = {
 401         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "PLL1_CLK1",
 402         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "PLL1_CLK2",
 403         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK",
 404         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "PLL2_CLK1",
 405         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "PLL2_CLK2",
 406 };
 407
 408 static const char * const omap5_dss_clk_source_names[] = {
 409         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DPLL_DSI1_A_CLK1",
 410         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DPLL_DSI1_A_CLK2",
 411         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_CLK",
 412         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "DPLL_DSI1_C_CLK1",
 413         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "DPLL_DSI1_C_CLK2",
 414 };
 415
 416 static const struct dss_param_range omap2_dss_param_range[] = {
 417         [FEAT_PARAM_DSS_FCK]                    = { 0, 133000000 },
 418         [FEAT_PARAM_DSS_PCD]                    = { 2, 255 },
 419         [FEAT_PARAM_DSIPLL_REGN]                = { 0, 0 },
 420         [FEAT_PARAM_DSIPLL_REGM]                = { 0, 0 },
 421         [FEAT_PARAM_DSIPLL_REGM_DISPC]          = { 0, 0 },
 422         [FEAT_PARAM_DSIPLL_REGM_DSI]            = { 0, 0 },
 423         [FEAT_PARAM_DSIPLL_FINT]                = { 0, 0 },
 424         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, 0 },
 425         [FEAT_PARAM_DOWNSCALE]                  = { 1, 2 },
 426         /*
 427          * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
 428          * scaler cannot scale a image with width more than 768.
 429          */
 430         [FEAT_PARAM_LINEWIDTH]                  = { 1, 768 },
 431 };
 432
 433 static const struct dss_param_range omap3_dss_param_range[] = {
 434         [FEAT_PARAM_DSS_FCK]                    = { 0, 173000000 },
 435         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 436         [FEAT_PARAM_DSIPLL_REGN]                = { 0, (1 << 7) - 1 },
 437         [FEAT_PARAM_DSIPLL_REGM]                = { 0, (1 << 11) - 1 },
 438         [FEAT_PARAM_DSIPLL_REGM_DISPC]          = { 0, (1 << 4) - 1 },
 439         [FEAT_PARAM_DSIPLL_REGM_DSI]            = { 0, (1 << 4) - 1 },
 440         [FEAT_PARAM_DSIPLL_FINT]                = { 750000, 2100000 },
 441         [FEAT_PARAM_DSIPLL_LPDIV]               = { 1, (1 << 13) - 1},
 442         [FEAT_PARAM_DSI_FCK]                    = { 0, 173000000 },
 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_REGN]                = { 0, (1 << 8) - 1 },
 451         [FEAT_PARAM_DSIPLL_REGM]                = { 0, (1 << 12) - 1 },
 452         [FEAT_PARAM_DSIPLL_REGM_DISPC]          = { 0, (1 << 5) - 1 },
 453         [FEAT_PARAM_DSIPLL_REGM_DSI]            = { 0, (1 << 5) - 1 },
 454         [FEAT_PARAM_DSIPLL_FINT]                = { 500000, 2500000 },
 455         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 456         [FEAT_PARAM_DSI_FCK]                    = { 0, 170000000 },
 457         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 458         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 459 };
 460
 461 static const struct dss_param_range omap5_dss_param_range[] = {
 462         [FEAT_PARAM_DSS_FCK]                    = { 0, 209250000 },
 463         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 464         [FEAT_PARAM_DSIPLL_REGN]                = { 0, (1 << 8) - 1 },
 465         [FEAT_PARAM_DSIPLL_REGM]                = { 0, (1 << 12) - 1 },
 466         [FEAT_PARAM_DSIPLL_REGM_DISPC]          = { 0, (1 << 5) - 1 },
 467         [FEAT_PARAM_DSIPLL_REGM_DSI]            = { 0, (1 << 5) - 1 },
 468         [FEAT_PARAM_DSIPLL_FINT]                = { 150000, 52000000 },
 469         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 470         [FEAT_PARAM_DSI_FCK]                    = { 0, 209250000 },
 471         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 472         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 473 };
 474
 475 static const enum dss_feat_id omap2_dss_feat_list[] = {
 476         FEAT_LCDENABLEPOL,
 477         FEAT_LCDENABLESIGNAL,
 478         FEAT_PCKFREEENABLE,
 479         FEAT_FUNCGATED,
 480         FEAT_ROWREPEATENABLE,
 481         FEAT_RESIZECONF,
 482 };
 483
 484 static const enum dss_feat_id omap3430_dss_feat_list[] = {
 485         FEAT_LCDENABLEPOL,
 486         FEAT_LCDENABLESIGNAL,
 487         FEAT_PCKFREEENABLE,
 488         FEAT_FUNCGATED,
 489         FEAT_LINEBUFFERSPLIT,
 490         FEAT_ROWREPEATENABLE,
 491         FEAT_RESIZECONF,
 492         FEAT_DSI_PLL_FREQSEL,
 493         FEAT_DSI_REVERSE_TXCLKESC,
 494         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 495         FEAT_CPR,
 496         FEAT_PRELOAD,
 497         FEAT_FIR_COEF_V,
 498         FEAT_ALPHA_FIXED_ZORDER,
 499         FEAT_FIFO_MERGE,
 500         FEAT_OMAP3_DSI_FIFO_BUG,
 501         FEAT_DPI_USES_VDDS_DSI,
 502 };
 503
 504 static const enum dss_feat_id am35xx_dss_feat_list[] = {
 505         FEAT_LCDENABLEPOL,
 506         FEAT_LCDENABLESIGNAL,
 507         FEAT_PCKFREEENABLE,
 508         FEAT_FUNCGATED,
 509         FEAT_LINEBUFFERSPLIT,
 510         FEAT_ROWREPEATENABLE,
 511         FEAT_RESIZECONF,
 512         FEAT_DSI_PLL_FREQSEL,
 513         FEAT_DSI_REVERSE_TXCLKESC,
 514         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 515         FEAT_CPR,
 516         FEAT_PRELOAD,
 517         FEAT_FIR_COEF_V,
 518         FEAT_ALPHA_FIXED_ZORDER,
 519         FEAT_FIFO_MERGE,
 520         FEAT_OMAP3_DSI_FIFO_BUG,
 521 };
 522
 523 static const enum dss_feat_id omap3630_dss_feat_list[] = {
 524         FEAT_LCDENABLEPOL,
 525         FEAT_LCDENABLESIGNAL,
 526         FEAT_PCKFREEENABLE,
 527         FEAT_FUNCGATED,
 528         FEAT_LINEBUFFERSPLIT,
 529         FEAT_ROWREPEATENABLE,
 530         FEAT_RESIZECONF,
 531         FEAT_DSI_PLL_PWR_BUG,
 532         FEAT_DSI_PLL_FREQSEL,
 533         FEAT_CPR,
 534         FEAT_PRELOAD,
 535         FEAT_FIR_COEF_V,
 536         FEAT_ALPHA_FIXED_ZORDER,
 537         FEAT_FIFO_MERGE,
 538         FEAT_OMAP3_DSI_FIFO_BUG,
 539         FEAT_DPI_USES_VDDS_DSI,
 540 };
 541
 542 static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
 543         FEAT_MGR_LCD2,
 544         FEAT_CORE_CLK_DIV,
 545         FEAT_LCD_CLK_SRC,
 546         FEAT_DSI_DCS_CMD_CONFIG_VC,
 547         FEAT_DSI_VC_OCP_WIDTH,
 548         FEAT_DSI_GNQ,
 549         FEAT_HANDLE_UV_SEPARATE,
 550         FEAT_ATTR2,
 551         FEAT_CPR,
 552         FEAT_PRELOAD,
 553         FEAT_FIR_COEF_V,
 554         FEAT_ALPHA_FREE_ZORDER,
 555         FEAT_FIFO_MERGE,
 556         FEAT_BURST_2D,
 557 };
 558
 559 static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
 560         FEAT_MGR_LCD2,
 561         FEAT_CORE_CLK_DIV,
 562         FEAT_LCD_CLK_SRC,
 563         FEAT_DSI_DCS_CMD_CONFIG_VC,
 564         FEAT_DSI_VC_OCP_WIDTH,
 565         FEAT_DSI_GNQ,
 566         FEAT_HDMI_CTS_SWMODE,
 567         FEAT_HANDLE_UV_SEPARATE,
 568         FEAT_ATTR2,
 569         FEAT_CPR,
 570         FEAT_PRELOAD,
 571         FEAT_FIR_COEF_V,
 572         FEAT_ALPHA_FREE_ZORDER,
 573         FEAT_FIFO_MERGE,
 574         FEAT_BURST_2D,
 575 };
 576
 577 static const enum dss_feat_id omap4_dss_feat_list[] = {
 578         FEAT_MGR_LCD2,
 579         FEAT_CORE_CLK_DIV,
 580         FEAT_LCD_CLK_SRC,
 581         FEAT_DSI_DCS_CMD_CONFIG_VC,
 582         FEAT_DSI_VC_OCP_WIDTH,
 583         FEAT_DSI_GNQ,
 584         FEAT_HDMI_CTS_SWMODE,
 585         FEAT_HDMI_AUDIO_USE_MCLK,
 586         FEAT_HANDLE_UV_SEPARATE,
 587         FEAT_ATTR2,
 588         FEAT_CPR,
 589         FEAT_PRELOAD,
 590         FEAT_FIR_COEF_V,
 591         FEAT_ALPHA_FREE_ZORDER,
 592         FEAT_FIFO_MERGE,
 593         FEAT_BURST_2D,
 594 };
 595
 596 static const enum dss_feat_id omap5_dss_feat_list[] = {
 597         FEAT_MGR_LCD2,
 598         FEAT_CORE_CLK_DIV,
 599         FEAT_LCD_CLK_SRC,
 600         FEAT_DSI_DCS_CMD_CONFIG_VC,
 601         FEAT_DSI_VC_OCP_WIDTH,
 602         FEAT_DSI_GNQ,
 603         FEAT_HDMI_CTS_SWMODE,
 604         FEAT_HDMI_AUDIO_USE_MCLK,
 605         FEAT_HANDLE_UV_SEPARATE,
 606         FEAT_ATTR2,
 607         FEAT_CPR,
 608         FEAT_PRELOAD,
 609         FEAT_FIR_COEF_V,
 610         FEAT_ALPHA_FREE_ZORDER,
 611         FEAT_FIFO_MERGE,
 612         FEAT_BURST_2D,
 613         FEAT_DSI_PLL_SELFREQDCO,
 614         FEAT_DSI_PLL_REFSEL,
 615         FEAT_DSI_PHY_DCC,
 616         FEAT_MFLAG,
 617 };
 618
 619 /* OMAP2 DSS Features */
 620 static const struct omap_dss_features omap2_dss_features = {
 621         .reg_fields = omap2_dss_reg_fields,
 622         .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
 623
 624         .features = omap2_dss_feat_list,
 625         .num_features = ARRAY_SIZE(omap2_dss_feat_list),
 626
 627         .num_mgrs = 2,
 628         .num_ovls = 3,
 629         .supported_displays = omap2_dss_supported_displays,
 630         .supported_outputs = omap2_dss_supported_outputs,
 631         .supported_color_modes = omap2_dss_supported_color_modes,
 632         .overlay_caps = omap2_dss_overlay_caps,
 633         .clksrc_names = omap2_dss_clk_source_names,
 634         .dss_params = omap2_dss_param_range,
 635         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 636         .buffer_size_unit = 1,
 637         .burst_size_unit = 8,
 638 };
 639
 640 /* OMAP3 DSS Features */
 641 static const struct omap_dss_features omap3430_dss_features = {
 642         .reg_fields = omap3_dss_reg_fields,
 643         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 644
 645         .features = omap3430_dss_feat_list,
 646         .num_features = ARRAY_SIZE(omap3430_dss_feat_list),
 647
 648         .num_mgrs = 2,
 649         .num_ovls = 3,
 650         .supported_displays = omap3430_dss_supported_displays,
 651         .supported_outputs = omap3430_dss_supported_outputs,
 652         .supported_color_modes = omap3_dss_supported_color_modes,
 653         .overlay_caps = omap3430_dss_overlay_caps,
 654         .clksrc_names = omap3_dss_clk_source_names,
 655         .dss_params = omap3_dss_param_range,
 656         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 657         .buffer_size_unit = 1,
 658         .burst_size_unit = 8,
 659 };
 660
 661 /*
 662  * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
 663  * vdds_dsi regulator.
 664  */
 665 static const struct omap_dss_features am35xx_dss_features = {
 666         .reg_fields = omap3_dss_reg_fields,
 667         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 668
 669         .features = am35xx_dss_feat_list,
 670         .num_features = ARRAY_SIZE(am35xx_dss_feat_list),
 671
 672         .num_mgrs = 2,
 673         .num_ovls = 3,
 674         .supported_displays = omap3430_dss_supported_displays,
 675         .supported_outputs = omap3430_dss_supported_outputs,
 676         .supported_color_modes = omap3_dss_supported_color_modes,
 677         .overlay_caps = omap3430_dss_overlay_caps,
 678         .clksrc_names = omap3_dss_clk_source_names,
 679         .dss_params = omap3_dss_param_range,
 680         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 681         .buffer_size_unit = 1,
 682         .burst_size_unit = 8,
 683 };
 684
 685 static const struct omap_dss_features omap3630_dss_features = {
 686         .reg_fields = omap3_dss_reg_fields,
 687         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 688
 689         .features = omap3630_dss_feat_list,
 690         .num_features = ARRAY_SIZE(omap3630_dss_feat_list),
 691
 692         .num_mgrs = 2,
 693         .num_ovls = 3,
 694         .supported_displays = omap3630_dss_supported_displays,
 695         .supported_outputs = omap3630_dss_supported_outputs,
 696         .supported_color_modes = omap3_dss_supported_color_modes,
 697         .overlay_caps = omap3630_dss_overlay_caps,
 698         .clksrc_names = omap3_dss_clk_source_names,
 699         .dss_params = omap3_dss_param_range,
 700         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 701         .buffer_size_unit = 1,
 702         .burst_size_unit = 8,
 703 };
 704
 705 /* OMAP4 DSS Features */
 706 /* For OMAP4430 ES 1.0 revision */
 707 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 708         .reg_fields = omap4_dss_reg_fields,
 709         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 710
 711         .features = omap4430_es1_0_dss_feat_list,
 712         .num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
 713
 714         .num_mgrs = 3,
 715         .num_ovls = 4,
 716         .num_wbs = 1,
 717         .supported_displays = omap4_dss_supported_displays,
 718         .supported_outputs = omap4_dss_supported_outputs,
 719         .supported_color_modes = omap4_dss_supported_color_modes,
 720         .overlay_caps = omap4_dss_overlay_caps,
 721         .clksrc_names = omap4_dss_clk_source_names,
 722         .dss_params = omap4_dss_param_range,
 723         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 724         .buffer_size_unit = 16,
 725         .burst_size_unit = 16,
 726 };
 727
 728 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 729 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 730         .reg_fields = omap4_dss_reg_fields,
 731         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 732
 733         .features = omap4430_es2_0_1_2_dss_feat_list,
 734         .num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
 735
 736         .num_mgrs = 3,
 737         .num_ovls = 4,
 738         .num_wbs = 1,
 739         .supported_displays = omap4_dss_supported_displays,
 740         .supported_outputs = omap4_dss_supported_outputs,
 741         .supported_color_modes = omap4_dss_supported_color_modes,
 742         .overlay_caps = omap4_dss_overlay_caps,
 743         .clksrc_names = omap4_dss_clk_source_names,
 744         .dss_params = omap4_dss_param_range,
 745         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 746         .buffer_size_unit = 16,
 747         .burst_size_unit = 16,
 748 };
 749
 750 /* For all the other OMAP4 versions */
 751 static const struct omap_dss_features omap4_dss_features = {
 752         .reg_fields = omap4_dss_reg_fields,
 753         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 754
 755         .features = omap4_dss_feat_list,
 756         .num_features = ARRAY_SIZE(omap4_dss_feat_list),
 757
 758         .num_mgrs = 3,
 759         .num_ovls = 4,
 760         .num_wbs = 1,
 761         .supported_displays = omap4_dss_supported_displays,
 762         .supported_outputs = omap4_dss_supported_outputs,
 763         .supported_color_modes = omap4_dss_supported_color_modes,
 764         .overlay_caps = omap4_dss_overlay_caps,
 765         .clksrc_names = omap4_dss_clk_source_names,
 766         .dss_params = omap4_dss_param_range,
 767         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 768         .buffer_size_unit = 16,
 769         .burst_size_unit = 16,
 770 };
 771
 772 /* OMAP5 DSS Features */
 773 static const struct omap_dss_features omap5_dss_features = {
 774         .reg_fields = omap5_dss_reg_fields,
 775         .num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
 776
 777         .features = omap5_dss_feat_list,
 778         .num_features = ARRAY_SIZE(omap5_dss_feat_list),
 779
 780         .num_mgrs = 3,
 781         .num_ovls = 4,
 782         .supported_displays = omap5_dss_supported_displays,
 783         .supported_outputs = omap5_dss_supported_outputs,
 784         .supported_color_modes = omap4_dss_supported_color_modes,
 785         .overlay_caps = omap4_dss_overlay_caps,
 786         .clksrc_names = omap5_dss_clk_source_names,
 787         .dss_params = omap5_dss_param_range,
 788         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 789         .buffer_size_unit = 16,
 790         .burst_size_unit = 16,
 791 };
 792
 793 /* Functions returning values related to a DSS feature */
 794 int dss_feat_get_num_mgrs(void)
 795 {
 796         return omap_current_dss_features->num_mgrs;
 797 }
 798 EXPORT_SYMBOL(dss_feat_get_num_mgrs);
 799
 800 int dss_feat_get_num_ovls(void)
 801 {
 802         return omap_current_dss_features->num_ovls;
 803 }
 804 EXPORT_SYMBOL(dss_feat_get_num_ovls);
 805
 806 int dss_feat_get_num_wbs(void)
 807 {
 808         return omap_current_dss_features->num_wbs;
 809 }
 810
 811 unsigned long dss_feat_get_param_min(enum dss_range_param param)
 812 {
 813         return omap_current_dss_features->dss_params[param].min;
 814 }
 815
 816 unsigned long dss_feat_get_param_max(enum dss_range_param param)
 817 {
 818         return omap_current_dss_features->dss_params[param].max;
 819 }
 820
 821 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
 822 {
 823         return omap_current_dss_features->supported_displays[channel];
 824 }
 825 EXPORT_SYMBOL(dss_feat_get_supported_displays);
 826
 827 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
 828 {
 829         return omap_current_dss_features->supported_outputs[channel];
 830 }
 831 EXPORT_SYMBOL(dss_feat_get_supported_outputs);
 832
 833 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
 834 {
 835         return omap_current_dss_features->supported_color_modes[plane];
 836 }
 837 EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
 838
 839 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
 840 {
 841         return omap_current_dss_features->overlay_caps[plane];
 842 }
 843
 844 bool dss_feat_color_mode_supported(enum omap_plane plane,
 845                 enum omap_color_mode color_mode)
 846 {
 847         return omap_current_dss_features->supported_color_modes[plane] &
 848                         color_mode;
 849 }
 850
 851 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
 852 {
 853         return omap_current_dss_features->clksrc_names[id];
 854 }
 855
 856 u32 dss_feat_get_buffer_size_unit(void)
 857 {
 858         return omap_current_dss_features->buffer_size_unit;
 859 }
 860
 861 u32 dss_feat_get_burst_size_unit(void)
 862 {
 863         return omap_current_dss_features->burst_size_unit;
 864 }
 865
 866 /* DSS has_feature check */
 867 bool dss_has_feature(enum dss_feat_id id)
 868 {
 869         int i;
 870         const enum dss_feat_id *features = omap_current_dss_features->features;
 871         const int num_features = omap_current_dss_features->num_features;
 872
 873         for (i = 0; i < num_features; i++) {
 874                 if (features[i] == id)
 875                         return true;
 876         }
 877
 878         return false;
 879 }
 880
 881 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
 882 {
 883         if (id >= omap_current_dss_features->num_reg_fields)
 884                 BUG();
 885
 886         *start = omap_current_dss_features->reg_fields[id].start;
 887         *end = omap_current_dss_features->reg_fields[id].end;
 888 }
 889
 890 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
 891 {
 892         return omap_current_dss_features->supported_rotation_types & rot_type;
 893 }
 894
 895 void dss_features_init(enum omapdss_version version)
 896 {
 897         switch (version) {
 898         case OMAPDSS_VER_OMAP24xx:
 899                 omap_current_dss_features = &omap2_dss_features;
 900                 break;
 901
 902         case OMAPDSS_VER_OMAP34xx_ES1:
 903         case OMAPDSS_VER_OMAP34xx_ES3:
 904                 omap_current_dss_features = &omap3430_dss_features;
 905                 break;
 906
 907         case OMAPDSS_VER_OMAP3630:
 908                 omap_current_dss_features = &omap3630_dss_features;
 909                 break;
 910
 911         case OMAPDSS_VER_OMAP4430_ES1:
 912                 omap_current_dss_features = &omap4430_es1_0_dss_features;
 913                 break;
 914
 915         case OMAPDSS_VER_OMAP4430_ES2:
 916                 omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
 917                 break;
 918
 919         case OMAPDSS_VER_OMAP4:
 920                 omap_current_dss_features = &omap4_dss_features;
 921                 break;
 922
 923         case OMAPDSS_VER_OMAP5:
 924                 omap_current_dss_features = &omap5_dss_features;
 925                 break;
 926
 927         case OMAPDSS_VER_AM35xx:
 928                 omap_current_dss_features = &am35xx_dss_features;
 929                 break;
 930
 931         default:
 932                 DSSWARN("Unsupported OMAP version");
 933                 break;
 934         }
 935 }