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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/drivers/video/omap2/dss/dss_features.c
   4  *
   5  * Copyright (C) 2010 Texas Instruments
   6  * Author: Archit Taneja <archit@ti.com>
   7  */
   8
   9 #include <linux/kernel.h>
  10 #include <linux/module.h>
  11 #include <linux/types.h>
  12 #include <linux/err.h>
  13 #include <linux/slab.h>
  14
  15 #include <video/omapfb_dss.h>
  16
  17 #include "dss.h"
  18 #include "dss_features.h"
  19
  20 /* Defines a generic omap register field */
  21 struct dss_reg_field {
  22         u8 start, end;
  23 };
  24
  25 struct dss_param_range {
  26         int min, max;
  27 };
  28
  29 struct omap_dss_features {
  30         const struct dss_reg_field *reg_fields;
  31         const int num_reg_fields;
  32
  33         const enum dss_feat_id *features;
  34         const int num_features;
  35
  36         const int num_mgrs;
  37         const int num_ovls;
  38         const enum omap_display_type *supported_displays;
  39         const enum omap_dss_output_id *supported_outputs;
  40         const enum omap_color_mode *supported_color_modes;
  41         const enum omap_overlay_caps *overlay_caps;
  42         const char * const *clksrc_names;
  43         const struct dss_param_range *dss_params;
  44
  45         const enum omap_dss_rotation_type supported_rotation_types;
  46
  47         const u32 buffer_size_unit;
  48         const u32 burst_size_unit;
  49 };
  50
  51 /* This struct is assigned to one of the below during initialization */
  52 static const struct omap_dss_features *omap_current_dss_features;
  53
  54 static const struct dss_reg_field omap2_dss_reg_fields[] = {
  55         [FEAT_REG_FIRHINC]                      = { 11, 0 },
  56         [FEAT_REG_FIRVINC]                      = { 27, 16 },
  57         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 8, 0 },
  58         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 24, 16 },
  59         [FEAT_REG_FIFOSIZE]                     = { 8, 0 },
  60         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  61         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  62         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  63 };
  64
  65 static const struct dss_reg_field omap3_dss_reg_fields[] = {
  66         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  67         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  68         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 11, 0 },
  69         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  70         [FEAT_REG_FIFOSIZE]                     = { 10, 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 am43xx_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 omap4_dss_reg_fields[] = {
  88         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  89         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  90         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
  91         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
  92         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
  93         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
  94         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
  95         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 8 },
  96 };
  97
  98 static const struct dss_reg_field omap5_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, 7 },
 107 };
 108
 109 static const enum omap_display_type omap2_dss_supported_displays[] = {
 110         /* OMAP_DSS_CHANNEL_LCD */
 111         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 112
 113         /* OMAP_DSS_CHANNEL_DIGIT */
 114         OMAP_DISPLAY_TYPE_VENC,
 115 };
 116
 117 static const enum omap_display_type omap3430_dss_supported_displays[] = {
 118         /* OMAP_DSS_CHANNEL_LCD */
 119         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 120         OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
 121
 122         /* OMAP_DSS_CHANNEL_DIGIT */
 123         OMAP_DISPLAY_TYPE_VENC,
 124 };
 125
 126 static const enum omap_display_type omap3630_dss_supported_displays[] = {
 127         /* OMAP_DSS_CHANNEL_LCD */
 128         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 129         OMAP_DISPLAY_TYPE_DSI,
 130
 131         /* OMAP_DSS_CHANNEL_DIGIT */
 132         OMAP_DISPLAY_TYPE_VENC,
 133 };
 134
 135 static const enum omap_display_type am43xx_dss_supported_displays[] = {
 136         /* OMAP_DSS_CHANNEL_LCD */
 137         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 138 };
 139
 140 static const enum omap_display_type omap4_dss_supported_displays[] = {
 141         /* OMAP_DSS_CHANNEL_LCD */
 142         OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
 143
 144         /* OMAP_DSS_CHANNEL_DIGIT */
 145         OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
 146
 147         /* OMAP_DSS_CHANNEL_LCD2 */
 148         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 149         OMAP_DISPLAY_TYPE_DSI,
 150 };
 151
 152 static const enum omap_display_type omap5_dss_supported_displays[] = {
 153         /* OMAP_DSS_CHANNEL_LCD */
 154         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 155         OMAP_DISPLAY_TYPE_DSI,
 156
 157         /* OMAP_DSS_CHANNEL_DIGIT */
 158         OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
 159
 160         /* OMAP_DSS_CHANNEL_LCD2 */
 161         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 162         OMAP_DISPLAY_TYPE_DSI,
 163 };
 164
 165 static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
 166         /* OMAP_DSS_CHANNEL_LCD */
 167         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 168
 169         /* OMAP_DSS_CHANNEL_DIGIT */
 170         OMAP_DSS_OUTPUT_VENC,
 171 };
 172
 173 static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
 174         /* OMAP_DSS_CHANNEL_LCD */
 175         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 176         OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
 177
 178         /* OMAP_DSS_CHANNEL_DIGIT */
 179         OMAP_DSS_OUTPUT_VENC,
 180 };
 181
 182 static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
 183         /* OMAP_DSS_CHANNEL_LCD */
 184         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 185         OMAP_DSS_OUTPUT_DSI1,
 186
 187         /* OMAP_DSS_CHANNEL_DIGIT */
 188         OMAP_DSS_OUTPUT_VENC,
 189 };
 190
 191 static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
 192         /* OMAP_DSS_CHANNEL_LCD */
 193         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 194 };
 195
 196 static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
 197         /* OMAP_DSS_CHANNEL_LCD */
 198         OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
 199
 200         /* OMAP_DSS_CHANNEL_DIGIT */
 201         OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
 202
 203         /* OMAP_DSS_CHANNEL_LCD2 */
 204         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 205         OMAP_DSS_OUTPUT_DSI2,
 206 };
 207
 208 static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
 209         /* OMAP_DSS_CHANNEL_LCD */
 210         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 211         OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
 212
 213         /* OMAP_DSS_CHANNEL_DIGIT */
 214         OMAP_DSS_OUTPUT_HDMI,
 215
 216         /* OMAP_DSS_CHANNEL_LCD2 */
 217         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 218         OMAP_DSS_OUTPUT_DSI1,
 219
 220         /* OMAP_DSS_CHANNEL_LCD3 */
 221         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 222         OMAP_DSS_OUTPUT_DSI2,
 223 };
 224
 225 static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
 226         /* OMAP_DSS_GFX */
 227         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 228         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 229         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 230         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
 231
 232         /* OMAP_DSS_VIDEO1 */
 233         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 234         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 235         OMAP_DSS_COLOR_UYVY,
 236
 237         /* OMAP_DSS_VIDEO2 */
 238         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 239         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 240         OMAP_DSS_COLOR_UYVY,
 241 };
 242
 243 static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
 244         /* OMAP_DSS_GFX */
 245         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 246         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 247         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 248         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 249         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 250         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 251
 252         /* OMAP_DSS_VIDEO1 */
 253         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
 254         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 255         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
 256
 257         /* OMAP_DSS_VIDEO2 */
 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_YUV2 |
 261         OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
 262         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 263 };
 264
 265 static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
 266         /* OMAP_DSS_GFX */
 267         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 268         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 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_ARGB32 |
 272         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
 273         OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
 274         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
 275
 276         /* OMAP_DSS_VIDEO1 */
 277         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 278         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 279         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 280         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 281         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 282         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 283         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 284         OMAP_DSS_COLOR_RGBX32,
 285
 286        /* OMAP_DSS_VIDEO2 */
 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_VIDEO3 */
 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_WB */
 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
 317 static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
 318         /* OMAP_DSS_GFX */
 319         OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 320
 321         /* OMAP_DSS_VIDEO1 */
 322         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 323                 OMAP_DSS_OVL_CAP_REPLICATION,
 324
 325         /* OMAP_DSS_VIDEO2 */
 326         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 327                 OMAP_DSS_OVL_CAP_REPLICATION,
 328 };
 329
 330 static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
 331         /* OMAP_DSS_GFX */
 332         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
 333                 OMAP_DSS_OVL_CAP_REPLICATION,
 334
 335         /* OMAP_DSS_VIDEO1 */
 336         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 337                 OMAP_DSS_OVL_CAP_REPLICATION,
 338
 339         /* OMAP_DSS_VIDEO2 */
 340         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 341                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 342 };
 343
 344 static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
 345         /* OMAP_DSS_GFX */
 346         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 347                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 348
 349         /* OMAP_DSS_VIDEO1 */
 350         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 351                 OMAP_DSS_OVL_CAP_REPLICATION,
 352
 353         /* OMAP_DSS_VIDEO2 */
 354         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 355                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
 356                 OMAP_DSS_OVL_CAP_REPLICATION,
 357 };
 358
 359 static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
 360         /* OMAP_DSS_GFX */
 361         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 362                 OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
 363                 OMAP_DSS_OVL_CAP_REPLICATION,
 364
 365         /* OMAP_DSS_VIDEO1 */
 366         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 367                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 368                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 369
 370         /* OMAP_DSS_VIDEO2 */
 371         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 372                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 373                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 374
 375         /* OMAP_DSS_VIDEO3 */
 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
 381 static const char * const omap2_dss_clk_source_names[] = {
 382         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "N/A",
 383         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "N/A",
 384         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK1",
 385 };
 386
 387 static const char * const omap3_dss_clk_source_names[] = {
 388         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DSI1_PLL_FCLK",
 389         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DSI2_PLL_FCLK",
 390         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS1_ALWON_FCLK",
 391 };
 392
 393 static const char * const omap4_dss_clk_source_names[] = {
 394         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "PLL1_CLK1",
 395         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "PLL1_CLK2",
 396         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_FCLK",
 397         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "PLL2_CLK1",
 398         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "PLL2_CLK2",
 399 };
 400
 401 static const char * const omap5_dss_clk_source_names[] = {
 402         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]  = "DPLL_DSI1_A_CLK1",
 403         [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]    = "DPLL_DSI1_A_CLK2",
 404         [OMAP_DSS_CLK_SRC_FCK]                  = "DSS_CLK",
 405         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "DPLL_DSI1_C_CLK1",
 406         [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]   = "DPLL_DSI1_C_CLK2",
 407 };
 408
 409 static const struct dss_param_range omap2_dss_param_range[] = {
 410         [FEAT_PARAM_DSS_FCK]                    = { 0, 133000000 },
 411         [FEAT_PARAM_DSS_PCD]                    = { 2, 255 },
 412         [FEAT_PARAM_DOWNSCALE]                  = { 1, 2 },
 413         /*
 414          * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
 415          * scaler cannot scale a image with width more than 768.
 416          */
 417         [FEAT_PARAM_LINEWIDTH]                  = { 1, 768 },
 418 };
 419
 420 static const struct dss_param_range omap3_dss_param_range[] = {
 421         [FEAT_PARAM_DSS_FCK]                    = { 0, 173000000 },
 422         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 423         [FEAT_PARAM_DSIPLL_LPDIV]               = { 1, (1 << 13) - 1},
 424         [FEAT_PARAM_DSI_FCK]                    = { 0, 173000000 },
 425         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 426         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 427 };
 428
 429 static const struct dss_param_range am43xx_dss_param_range[] = {
 430         [FEAT_PARAM_DSS_FCK]                    = { 0, 200000000 },
 431         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 432         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 433         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 434 };
 435
 436 static const struct dss_param_range omap4_dss_param_range[] = {
 437         [FEAT_PARAM_DSS_FCK]                    = { 0, 186000000 },
 438         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 439         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 440         [FEAT_PARAM_DSI_FCK]                    = { 0, 170000000 },
 441         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 442         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 443 };
 444
 445 static const struct dss_param_range omap5_dss_param_range[] = {
 446         [FEAT_PARAM_DSS_FCK]                    = { 0, 209250000 },
 447         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 448         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 449         [FEAT_PARAM_DSI_FCK]                    = { 0, 209250000 },
 450         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 451         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 452 };
 453
 454 static const enum dss_feat_id omap2_dss_feat_list[] = {
 455         FEAT_LCDENABLEPOL,
 456         FEAT_LCDENABLESIGNAL,
 457         FEAT_PCKFREEENABLE,
 458         FEAT_FUNCGATED,
 459         FEAT_ROWREPEATENABLE,
 460         FEAT_RESIZECONF,
 461 };
 462
 463 static const enum dss_feat_id omap3430_dss_feat_list[] = {
 464         FEAT_LCDENABLEPOL,
 465         FEAT_LCDENABLESIGNAL,
 466         FEAT_PCKFREEENABLE,
 467         FEAT_FUNCGATED,
 468         FEAT_LINEBUFFERSPLIT,
 469         FEAT_ROWREPEATENABLE,
 470         FEAT_RESIZECONF,
 471         FEAT_DSI_REVERSE_TXCLKESC,
 472         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 473         FEAT_CPR,
 474         FEAT_PRELOAD,
 475         FEAT_FIR_COEF_V,
 476         FEAT_ALPHA_FIXED_ZORDER,
 477         FEAT_FIFO_MERGE,
 478         FEAT_OMAP3_DSI_FIFO_BUG,
 479         FEAT_DPI_USES_VDDS_DSI,
 480 };
 481
 482 static const enum dss_feat_id am35xx_dss_feat_list[] = {
 483         FEAT_LCDENABLEPOL,
 484         FEAT_LCDENABLESIGNAL,
 485         FEAT_PCKFREEENABLE,
 486         FEAT_FUNCGATED,
 487         FEAT_LINEBUFFERSPLIT,
 488         FEAT_ROWREPEATENABLE,
 489         FEAT_RESIZECONF,
 490         FEAT_DSI_REVERSE_TXCLKESC,
 491         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 492         FEAT_CPR,
 493         FEAT_PRELOAD,
 494         FEAT_FIR_COEF_V,
 495         FEAT_ALPHA_FIXED_ZORDER,
 496         FEAT_FIFO_MERGE,
 497         FEAT_OMAP3_DSI_FIFO_BUG,
 498 };
 499
 500 static const enum dss_feat_id am43xx_dss_feat_list[] = {
 501         FEAT_LCDENABLEPOL,
 502         FEAT_LCDENABLESIGNAL,
 503         FEAT_PCKFREEENABLE,
 504         FEAT_FUNCGATED,
 505         FEAT_LINEBUFFERSPLIT,
 506         FEAT_ROWREPEATENABLE,
 507         FEAT_RESIZECONF,
 508         FEAT_CPR,
 509         FEAT_PRELOAD,
 510         FEAT_FIR_COEF_V,
 511         FEAT_ALPHA_FIXED_ZORDER,
 512         FEAT_FIFO_MERGE,
 513 };
 514
 515 static const enum dss_feat_id omap3630_dss_feat_list[] = {
 516         FEAT_LCDENABLEPOL,
 517         FEAT_LCDENABLESIGNAL,
 518         FEAT_PCKFREEENABLE,
 519         FEAT_FUNCGATED,
 520         FEAT_LINEBUFFERSPLIT,
 521         FEAT_ROWREPEATENABLE,
 522         FEAT_RESIZECONF,
 523         FEAT_DSI_PLL_PWR_BUG,
 524         FEAT_CPR,
 525         FEAT_PRELOAD,
 526         FEAT_FIR_COEF_V,
 527         FEAT_ALPHA_FIXED_ZORDER,
 528         FEAT_FIFO_MERGE,
 529         FEAT_OMAP3_DSI_FIFO_BUG,
 530         FEAT_DPI_USES_VDDS_DSI,
 531 };
 532
 533 static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
 534         FEAT_MGR_LCD2,
 535         FEAT_CORE_CLK_DIV,
 536         FEAT_LCD_CLK_SRC,
 537         FEAT_DSI_DCS_CMD_CONFIG_VC,
 538         FEAT_DSI_VC_OCP_WIDTH,
 539         FEAT_DSI_GNQ,
 540         FEAT_HANDLE_UV_SEPARATE,
 541         FEAT_ATTR2,
 542         FEAT_CPR,
 543         FEAT_PRELOAD,
 544         FEAT_FIR_COEF_V,
 545         FEAT_ALPHA_FREE_ZORDER,
 546         FEAT_FIFO_MERGE,
 547         FEAT_BURST_2D,
 548 };
 549
 550 static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
 551         FEAT_MGR_LCD2,
 552         FEAT_CORE_CLK_DIV,
 553         FEAT_LCD_CLK_SRC,
 554         FEAT_DSI_DCS_CMD_CONFIG_VC,
 555         FEAT_DSI_VC_OCP_WIDTH,
 556         FEAT_DSI_GNQ,
 557         FEAT_HDMI_CTS_SWMODE,
 558         FEAT_HANDLE_UV_SEPARATE,
 559         FEAT_ATTR2,
 560         FEAT_CPR,
 561         FEAT_PRELOAD,
 562         FEAT_FIR_COEF_V,
 563         FEAT_ALPHA_FREE_ZORDER,
 564         FEAT_FIFO_MERGE,
 565         FEAT_BURST_2D,
 566 };
 567
 568 static const enum dss_feat_id omap4_dss_feat_list[] = {
 569         FEAT_MGR_LCD2,
 570         FEAT_CORE_CLK_DIV,
 571         FEAT_LCD_CLK_SRC,
 572         FEAT_DSI_DCS_CMD_CONFIG_VC,
 573         FEAT_DSI_VC_OCP_WIDTH,
 574         FEAT_DSI_GNQ,
 575         FEAT_HDMI_CTS_SWMODE,
 576         FEAT_HDMI_AUDIO_USE_MCLK,
 577         FEAT_HANDLE_UV_SEPARATE,
 578         FEAT_ATTR2,
 579         FEAT_CPR,
 580         FEAT_PRELOAD,
 581         FEAT_FIR_COEF_V,
 582         FEAT_ALPHA_FREE_ZORDER,
 583         FEAT_FIFO_MERGE,
 584         FEAT_BURST_2D,
 585 };
 586
 587 static const enum dss_feat_id omap5_dss_feat_list[] = {
 588         FEAT_MGR_LCD2,
 589         FEAT_MGR_LCD3,
 590         FEAT_CORE_CLK_DIV,
 591         FEAT_LCD_CLK_SRC,
 592         FEAT_DSI_DCS_CMD_CONFIG_VC,
 593         FEAT_DSI_VC_OCP_WIDTH,
 594         FEAT_DSI_GNQ,
 595         FEAT_HDMI_CTS_SWMODE,
 596         FEAT_HDMI_AUDIO_USE_MCLK,
 597         FEAT_HANDLE_UV_SEPARATE,
 598         FEAT_ATTR2,
 599         FEAT_CPR,
 600         FEAT_PRELOAD,
 601         FEAT_FIR_COEF_V,
 602         FEAT_ALPHA_FREE_ZORDER,
 603         FEAT_FIFO_MERGE,
 604         FEAT_BURST_2D,
 605         FEAT_DSI_PHY_DCC,
 606         FEAT_MFLAG,
 607 };
 608
 609 /* OMAP2 DSS Features */
 610 static const struct omap_dss_features omap2_dss_features = {
 611         .reg_fields = omap2_dss_reg_fields,
 612         .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
 613
 614         .features = omap2_dss_feat_list,
 615         .num_features = ARRAY_SIZE(omap2_dss_feat_list),
 616
 617         .num_mgrs = 2,
 618         .num_ovls = 3,
 619         .supported_displays = omap2_dss_supported_displays,
 620         .supported_outputs = omap2_dss_supported_outputs,
 621         .supported_color_modes = omap2_dss_supported_color_modes,
 622         .overlay_caps = omap2_dss_overlay_caps,
 623         .clksrc_names = omap2_dss_clk_source_names,
 624         .dss_params = omap2_dss_param_range,
 625         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 626         .buffer_size_unit = 1,
 627         .burst_size_unit = 8,
 628 };
 629
 630 /* OMAP3 DSS Features */
 631 static const struct omap_dss_features omap3430_dss_features = {
 632         .reg_fields = omap3_dss_reg_fields,
 633         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 634
 635         .features = omap3430_dss_feat_list,
 636         .num_features = ARRAY_SIZE(omap3430_dss_feat_list),
 637
 638         .num_mgrs = 2,
 639         .num_ovls = 3,
 640         .supported_displays = omap3430_dss_supported_displays,
 641         .supported_outputs = omap3430_dss_supported_outputs,
 642         .supported_color_modes = omap3_dss_supported_color_modes,
 643         .overlay_caps = omap3430_dss_overlay_caps,
 644         .clksrc_names = omap3_dss_clk_source_names,
 645         .dss_params = omap3_dss_param_range,
 646         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 647         .buffer_size_unit = 1,
 648         .burst_size_unit = 8,
 649 };
 650
 651 /*
 652  * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
 653  * vdds_dsi regulator.
 654  */
 655 static const struct omap_dss_features am35xx_dss_features = {
 656         .reg_fields = omap3_dss_reg_fields,
 657         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 658
 659         .features = am35xx_dss_feat_list,
 660         .num_features = ARRAY_SIZE(am35xx_dss_feat_list),
 661
 662         .num_mgrs = 2,
 663         .num_ovls = 3,
 664         .supported_displays = omap3430_dss_supported_displays,
 665         .supported_outputs = omap3430_dss_supported_outputs,
 666         .supported_color_modes = omap3_dss_supported_color_modes,
 667         .overlay_caps = omap3430_dss_overlay_caps,
 668         .clksrc_names = omap3_dss_clk_source_names,
 669         .dss_params = omap3_dss_param_range,
 670         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 671         .buffer_size_unit = 1,
 672         .burst_size_unit = 8,
 673 };
 674
 675 static const struct omap_dss_features am43xx_dss_features = {
 676         .reg_fields = am43xx_dss_reg_fields,
 677         .num_reg_fields = ARRAY_SIZE(am43xx_dss_reg_fields),
 678
 679         .features = am43xx_dss_feat_list,
 680         .num_features = ARRAY_SIZE(am43xx_dss_feat_list),
 681
 682         .num_mgrs = 1,
 683         .num_ovls = 3,
 684         .supported_displays = am43xx_dss_supported_displays,
 685         .supported_outputs = am43xx_dss_supported_outputs,
 686         .supported_color_modes = omap3_dss_supported_color_modes,
 687         .overlay_caps = omap3430_dss_overlay_caps,
 688         .clksrc_names = omap2_dss_clk_source_names,
 689         .dss_params = am43xx_dss_param_range,
 690         .supported_rotation_types = OMAP_DSS_ROT_DMA,
 691         .buffer_size_unit = 1,
 692         .burst_size_unit = 8,
 693 };
 694
 695 static const struct omap_dss_features omap3630_dss_features = {
 696         .reg_fields = omap3_dss_reg_fields,
 697         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 698
 699         .features = omap3630_dss_feat_list,
 700         .num_features = ARRAY_SIZE(omap3630_dss_feat_list),
 701
 702         .num_mgrs = 2,
 703         .num_ovls = 3,
 704         .supported_displays = omap3630_dss_supported_displays,
 705         .supported_outputs = omap3630_dss_supported_outputs,
 706         .supported_color_modes = omap3_dss_supported_color_modes,
 707         .overlay_caps = omap3630_dss_overlay_caps,
 708         .clksrc_names = omap3_dss_clk_source_names,
 709         .dss_params = omap3_dss_param_range,
 710         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 711         .buffer_size_unit = 1,
 712         .burst_size_unit = 8,
 713 };
 714
 715 /* OMAP4 DSS Features */
 716 /* For OMAP4430 ES 1.0 revision */
 717 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 718         .reg_fields = omap4_dss_reg_fields,
 719         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 720
 721         .features = omap4430_es1_0_dss_feat_list,
 722         .num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
 723
 724         .num_mgrs = 3,
 725         .num_ovls = 4,
 726         .supported_displays = omap4_dss_supported_displays,
 727         .supported_outputs = omap4_dss_supported_outputs,
 728         .supported_color_modes = omap4_dss_supported_color_modes,
 729         .overlay_caps = omap4_dss_overlay_caps,
 730         .clksrc_names = omap4_dss_clk_source_names,
 731         .dss_params = omap4_dss_param_range,
 732         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 733         .buffer_size_unit = 16,
 734         .burst_size_unit = 16,
 735 };
 736
 737 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 738 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 739         .reg_fields = omap4_dss_reg_fields,
 740         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 741
 742         .features = omap4430_es2_0_1_2_dss_feat_list,
 743         .num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
 744
 745         .num_mgrs = 3,
 746         .num_ovls = 4,
 747         .supported_displays = omap4_dss_supported_displays,
 748         .supported_outputs = omap4_dss_supported_outputs,
 749         .supported_color_modes = omap4_dss_supported_color_modes,
 750         .overlay_caps = omap4_dss_overlay_caps,
 751         .clksrc_names = omap4_dss_clk_source_names,
 752         .dss_params = omap4_dss_param_range,
 753         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 754         .buffer_size_unit = 16,
 755         .burst_size_unit = 16,
 756 };
 757
 758 /* For all the other OMAP4 versions */
 759 static const struct omap_dss_features omap4_dss_features = {
 760         .reg_fields = omap4_dss_reg_fields,
 761         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 762
 763         .features = omap4_dss_feat_list,
 764         .num_features = ARRAY_SIZE(omap4_dss_feat_list),
 765
 766         .num_mgrs = 3,
 767         .num_ovls = 4,
 768         .supported_displays = omap4_dss_supported_displays,
 769         .supported_outputs = omap4_dss_supported_outputs,
 770         .supported_color_modes = omap4_dss_supported_color_modes,
 771         .overlay_caps = omap4_dss_overlay_caps,
 772         .clksrc_names = omap4_dss_clk_source_names,
 773         .dss_params = omap4_dss_param_range,
 774         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 775         .buffer_size_unit = 16,
 776         .burst_size_unit = 16,
 777 };
 778
 779 /* OMAP5 DSS Features */
 780 static const struct omap_dss_features omap5_dss_features = {
 781         .reg_fields = omap5_dss_reg_fields,
 782         .num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
 783
 784         .features = omap5_dss_feat_list,
 785         .num_features = ARRAY_SIZE(omap5_dss_feat_list),
 786
 787         .num_mgrs = 4,
 788         .num_ovls = 4,
 789         .supported_displays = omap5_dss_supported_displays,
 790         .supported_outputs = omap5_dss_supported_outputs,
 791         .supported_color_modes = omap4_dss_supported_color_modes,
 792         .overlay_caps = omap4_dss_overlay_caps,
 793         .clksrc_names = omap5_dss_clk_source_names,
 794         .dss_params = omap5_dss_param_range,
 795         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 796         .buffer_size_unit = 16,
 797         .burst_size_unit = 16,
 798 };
 799
 800 /* Functions returning values related to a DSS feature */
 801 int dss_feat_get_num_mgrs(void)
 802 {
 803         return omap_current_dss_features->num_mgrs;
 804 }
 805 EXPORT_SYMBOL(dss_feat_get_num_mgrs);
 806
 807 int dss_feat_get_num_ovls(void)
 808 {
 809         return omap_current_dss_features->num_ovls;
 810 }
 811 EXPORT_SYMBOL(dss_feat_get_num_ovls);
 812
 813 unsigned long dss_feat_get_param_min(enum dss_range_param param)
 814 {
 815         return omap_current_dss_features->dss_params[param].min;
 816 }
 817
 818 unsigned long dss_feat_get_param_max(enum dss_range_param param)
 819 {
 820         return omap_current_dss_features->dss_params[param].max;
 821 }
 822
 823 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
 824 {
 825         return omap_current_dss_features->supported_displays[channel];
 826 }
 827
 828 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
 829 {
 830         return omap_current_dss_features->supported_outputs[channel];
 831 }
 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         BUG_ON(id >= omap_current_dss_features->num_reg_fields);
 884
 885         *start = omap_current_dss_features->reg_fields[id].start;
 886         *end = omap_current_dss_features->reg_fields[id].end;
 887 }
 888
 889 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
 890 {
 891         return omap_current_dss_features->supported_rotation_types & rot_type;
 892 }
 893
 894 void dss_features_init(enum omapdss_version version)
 895 {
 896         switch (version) {
 897         case OMAPDSS_VER_OMAP24xx:
 898                 omap_current_dss_features = &omap2_dss_features;
 899                 break;
 900
 901         case OMAPDSS_VER_OMAP34xx_ES1:
 902         case OMAPDSS_VER_OMAP34xx_ES3:
 903                 omap_current_dss_features = &omap3430_dss_features;
 904                 break;
 905
 906         case OMAPDSS_VER_OMAP3630:
 907                 omap_current_dss_features = &omap3630_dss_features;
 908                 break;
 909
 910         case OMAPDSS_VER_OMAP4430_ES1:
 911                 omap_current_dss_features = &omap4430_es1_0_dss_features;
 912                 break;
 913
 914         case OMAPDSS_VER_OMAP4430_ES2:
 915                 omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
 916                 break;
 917
 918         case OMAPDSS_VER_OMAP4:
 919                 omap_current_dss_features = &omap4_dss_features;
 920                 break;
 921
 922         case OMAPDSS_VER_OMAP5:
 923         case OMAPDSS_VER_DRA7xx:
 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         case OMAPDSS_VER_AM43xx:
 932                 omap_current_dss_features = &am43xx_dss_features;
 933                 break;
 934
 935         default:
 936                 DSSWARN("Unsupported OMAP version");
 937                 break;
 938         }
 939 }