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