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 struct dss_param_range *dss_params;
  53
  54         const enum omap_dss_rotation_type supported_rotation_types;
  55
  56         const u32 buffer_size_unit;
  57         const u32 burst_size_unit;
  58 };
  59
  60 /* This struct is assigned to one of the below during initialization */
  61 static const struct omap_dss_features *omap_current_dss_features;
  62
  63 static const struct dss_reg_field omap2_dss_reg_fields[] = {
  64         [FEAT_REG_FIRHINC]                      = { 11, 0 },
  65         [FEAT_REG_FIRVINC]                      = { 27, 16 },
  66         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 8, 0 },
  67         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 24, 16 },
  68         [FEAT_REG_FIFOSIZE]                     = { 8, 0 },
  69         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  70         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  71         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  72 };
  73
  74 static const struct dss_reg_field omap3_dss_reg_fields[] = {
  75         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  76         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  77         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 11, 0 },
  78         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  79         [FEAT_REG_FIFOSIZE]                     = { 10, 0 },
  80         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  81         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  82         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  83 };
  84
  85 static const struct dss_reg_field am43xx_dss_reg_fields[] = {
  86         [FEAT_REG_FIRHINC]                      = { 12, 0 },
  87         [FEAT_REG_FIRVINC]                      = { 28, 16 },
  88         [FEAT_REG_FIFOLOWTHRESHOLD]     = { 11, 0 },
  89         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 27, 16 },
  90         [FEAT_REG_FIFOSIZE]             = { 10, 0 },
  91         [FEAT_REG_HORIZONTALACCU]               = { 9, 0 },
  92         [FEAT_REG_VERTICALACCU]                 = { 25, 16 },
  93         [FEAT_REG_DISPC_CLK_SWITCH]             = { 0, 0 },
  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 };
 106
 107 static const struct dss_reg_field omap5_dss_reg_fields[] = {
 108         [FEAT_REG_FIRHINC]                      = { 12, 0 },
 109         [FEAT_REG_FIRVINC]                      = { 28, 16 },
 110         [FEAT_REG_FIFOLOWTHRESHOLD]             = { 15, 0 },
 111         [FEAT_REG_FIFOHIGHTHRESHOLD]            = { 31, 16 },
 112         [FEAT_REG_FIFOSIZE]                     = { 15, 0 },
 113         [FEAT_REG_HORIZONTALACCU]               = { 10, 0 },
 114         [FEAT_REG_VERTICALACCU]                 = { 26, 16 },
 115         [FEAT_REG_DISPC_CLK_SWITCH]             = { 9, 7 },
 116 };
 117
 118 static const enum omap_display_type omap2_dss_supported_displays[] = {
 119         /* OMAP_DSS_CHANNEL_LCD */
 120         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 121
 122         /* OMAP_DSS_CHANNEL_DIGIT */
 123         OMAP_DISPLAY_TYPE_VENC,
 124 };
 125
 126 static const enum omap_display_type omap3430_dss_supported_displays[] = {
 127         /* OMAP_DSS_CHANNEL_LCD */
 128         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 129         OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
 130
 131         /* OMAP_DSS_CHANNEL_DIGIT */
 132         OMAP_DISPLAY_TYPE_VENC,
 133 };
 134
 135 static const enum omap_display_type omap3630_dss_supported_displays[] = {
 136         /* OMAP_DSS_CHANNEL_LCD */
 137         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 138         OMAP_DISPLAY_TYPE_DSI,
 139
 140         /* OMAP_DSS_CHANNEL_DIGIT */
 141         OMAP_DISPLAY_TYPE_VENC,
 142 };
 143
 144 static const enum omap_display_type am43xx_dss_supported_displays[] = {
 145         /* OMAP_DSS_CHANNEL_LCD */
 146         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
 147 };
 148
 149 static const enum omap_display_type omap4_dss_supported_displays[] = {
 150         /* OMAP_DSS_CHANNEL_LCD */
 151         OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
 152
 153         /* OMAP_DSS_CHANNEL_DIGIT */
 154         OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
 155
 156         /* OMAP_DSS_CHANNEL_LCD2 */
 157         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 158         OMAP_DISPLAY_TYPE_DSI,
 159 };
 160
 161 static const enum omap_display_type omap5_dss_supported_displays[] = {
 162         /* OMAP_DSS_CHANNEL_LCD */
 163         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 164         OMAP_DISPLAY_TYPE_DSI,
 165
 166         /* OMAP_DSS_CHANNEL_DIGIT */
 167         OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
 168
 169         /* OMAP_DSS_CHANNEL_LCD2 */
 170         OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
 171         OMAP_DISPLAY_TYPE_DSI,
 172 };
 173
 174 static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
 175         /* OMAP_DSS_CHANNEL_LCD */
 176         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 177
 178         /* OMAP_DSS_CHANNEL_DIGIT */
 179         OMAP_DSS_OUTPUT_VENC,
 180 };
 181
 182 static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
 183         /* OMAP_DSS_CHANNEL_LCD */
 184         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 185         OMAP_DSS_OUTPUT_SDI | 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 omap3630_dss_supported_outputs[] = {
 192         /* OMAP_DSS_CHANNEL_LCD */
 193         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 194         OMAP_DSS_OUTPUT_DSI1,
 195
 196         /* OMAP_DSS_CHANNEL_DIGIT */
 197         OMAP_DSS_OUTPUT_VENC,
 198 };
 199
 200 static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
 201         /* OMAP_DSS_CHANNEL_LCD */
 202         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
 203 };
 204
 205 static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
 206         /* OMAP_DSS_CHANNEL_LCD */
 207         OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
 208
 209         /* OMAP_DSS_CHANNEL_DIGIT */
 210         OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
 211
 212         /* OMAP_DSS_CHANNEL_LCD2 */
 213         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 214         OMAP_DSS_OUTPUT_DSI2,
 215 };
 216
 217 static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
 218         /* OMAP_DSS_CHANNEL_LCD */
 219         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 220         OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
 221
 222         /* OMAP_DSS_CHANNEL_DIGIT */
 223         OMAP_DSS_OUTPUT_HDMI,
 224
 225         /* OMAP_DSS_CHANNEL_LCD2 */
 226         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 227         OMAP_DSS_OUTPUT_DSI1,
 228
 229         /* OMAP_DSS_CHANNEL_LCD3 */
 230         OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
 231         OMAP_DSS_OUTPUT_DSI2,
 232 };
 233
 234 static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
 235         /* OMAP_DSS_GFX */
 236         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 237         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 238         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 239         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
 240
 241         /* OMAP_DSS_VIDEO1 */
 242         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 243         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 244         OMAP_DSS_COLOR_UYVY,
 245
 246         /* OMAP_DSS_VIDEO2 */
 247         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 248         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 249         OMAP_DSS_COLOR_UYVY,
 250 };
 251
 252 static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
 253         /* OMAP_DSS_GFX */
 254         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 255         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 256         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 257         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 258         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 259         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 260
 261         /* OMAP_DSS_VIDEO1 */
 262         OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
 263         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
 264         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
 265
 266         /* OMAP_DSS_VIDEO2 */
 267         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 268         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 269         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
 270         OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
 271         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
 272 };
 273
 274 static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
 275         /* OMAP_DSS_GFX */
 276         OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
 277         OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
 278         OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
 279         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
 280         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
 281         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
 282         OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
 283         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
 284
 285         /* OMAP_DSS_VIDEO1 */
 286         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 287         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 288         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 289         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 290         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 291         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 292         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 293         OMAP_DSS_COLOR_RGBX32,
 294
 295        /* OMAP_DSS_VIDEO2 */
 296         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 297         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 298         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 299         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 300         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 301         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 302         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 303         OMAP_DSS_COLOR_RGBX32,
 304
 305         /* OMAP_DSS_VIDEO3 */
 306         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 307         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 308         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 309         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 310         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 311         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 312         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 313         OMAP_DSS_COLOR_RGBX32,
 314
 315         /* OMAP_DSS_WB */
 316         OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
 317         OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
 318         OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
 319         OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
 320         OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
 321         OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 322         OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 323         OMAP_DSS_COLOR_RGBX32,
 324 };
 325
 326 static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
 327         /* OMAP_DSS_GFX */
 328         OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 329
 330         /* OMAP_DSS_VIDEO1 */
 331         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 332                 OMAP_DSS_OVL_CAP_REPLICATION,
 333
 334         /* OMAP_DSS_VIDEO2 */
 335         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 336                 OMAP_DSS_OVL_CAP_REPLICATION,
 337 };
 338
 339 static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
 340         /* OMAP_DSS_GFX */
 341         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
 342                 OMAP_DSS_OVL_CAP_REPLICATION,
 343
 344         /* OMAP_DSS_VIDEO1 */
 345         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 346                 OMAP_DSS_OVL_CAP_REPLICATION,
 347
 348         /* OMAP_DSS_VIDEO2 */
 349         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 350                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 351 };
 352
 353 static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
 354         /* OMAP_DSS_GFX */
 355         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 356                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 357
 358         /* OMAP_DSS_VIDEO1 */
 359         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
 360                 OMAP_DSS_OVL_CAP_REPLICATION,
 361
 362         /* OMAP_DSS_VIDEO2 */
 363         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 364                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
 365                 OMAP_DSS_OVL_CAP_REPLICATION,
 366 };
 367
 368 static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
 369         /* OMAP_DSS_GFX */
 370         OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
 371                 OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
 372                 OMAP_DSS_OVL_CAP_REPLICATION,
 373
 374         /* OMAP_DSS_VIDEO1 */
 375         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 376                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 377                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 378
 379         /* OMAP_DSS_VIDEO2 */
 380         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 381                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 382                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 383
 384         /* OMAP_DSS_VIDEO3 */
 385         OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
 386                 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
 387                 OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 388 };
 389
 390 static const struct dss_param_range omap2_dss_param_range[] = {
 391         [FEAT_PARAM_DSS_FCK]                    = { 0, 133000000 },
 392         [FEAT_PARAM_DSS_PCD]                    = { 2, 255 },
 393         [FEAT_PARAM_DOWNSCALE]                  = { 1, 2 },
 394         /*
 395          * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
 396          * scaler cannot scale a image with width more than 768.
 397          */
 398         [FEAT_PARAM_LINEWIDTH]                  = { 1, 768 },
 399 };
 400
 401 static const struct dss_param_range omap3_dss_param_range[] = {
 402         [FEAT_PARAM_DSS_FCK]                    = { 0, 173000000 },
 403         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 404         [FEAT_PARAM_DSIPLL_LPDIV]               = { 1, (1 << 13) - 1},
 405         [FEAT_PARAM_DSI_FCK]                    = { 0, 173000000 },
 406         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 407         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 408 };
 409
 410 static const struct dss_param_range am43xx_dss_param_range[] = {
 411         [FEAT_PARAM_DSS_FCK]                    = { 0, 200000000 },
 412         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 413         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 414         [FEAT_PARAM_LINEWIDTH]                  = { 1, 1024 },
 415 };
 416
 417 static const struct dss_param_range omap4_dss_param_range[] = {
 418         [FEAT_PARAM_DSS_FCK]                    = { 0, 186000000 },
 419         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 420         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 421         [FEAT_PARAM_DSI_FCK]                    = { 0, 170000000 },
 422         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 423         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 424 };
 425
 426 static const struct dss_param_range omap5_dss_param_range[] = {
 427         [FEAT_PARAM_DSS_FCK]                    = { 0, 209250000 },
 428         [FEAT_PARAM_DSS_PCD]                    = { 1, 255 },
 429         [FEAT_PARAM_DSIPLL_LPDIV]               = { 0, (1 << 13) - 1 },
 430         [FEAT_PARAM_DSI_FCK]                    = { 0, 209250000 },
 431         [FEAT_PARAM_DOWNSCALE]                  = { 1, 4 },
 432         [FEAT_PARAM_LINEWIDTH]                  = { 1, 2048 },
 433 };
 434
 435 static const enum dss_feat_id omap2_dss_feat_list[] = {
 436         FEAT_LCDENABLEPOL,
 437         FEAT_LCDENABLESIGNAL,
 438         FEAT_PCKFREEENABLE,
 439         FEAT_FUNCGATED,
 440         FEAT_ROWREPEATENABLE,
 441         FEAT_RESIZECONF,
 442 };
 443
 444 static const enum dss_feat_id omap3430_dss_feat_list[] = {
 445         FEAT_LCDENABLEPOL,
 446         FEAT_LCDENABLESIGNAL,
 447         FEAT_PCKFREEENABLE,
 448         FEAT_FUNCGATED,
 449         FEAT_LINEBUFFERSPLIT,
 450         FEAT_ROWREPEATENABLE,
 451         FEAT_RESIZECONF,
 452         FEAT_DSI_REVERSE_TXCLKESC,
 453         FEAT_VENC_REQUIRES_TV_DAC_CLK,
 454         FEAT_CPR,
 455         FEAT_PRELOAD,
 456         FEAT_FIR_COEF_V,
 457         FEAT_ALPHA_FIXED_ZORDER,
 458         FEAT_FIFO_MERGE,
 459         FEAT_OMAP3_DSI_FIFO_BUG,
 460         FEAT_DPI_USES_VDDS_DSI,
 461 };
 462
 463 static const enum dss_feat_id am35xx_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 };
 480
 481 static const enum dss_feat_id am43xx_dss_feat_list[] = {
 482         FEAT_LCDENABLEPOL,
 483         FEAT_LCDENABLESIGNAL,
 484         FEAT_PCKFREEENABLE,
 485         FEAT_FUNCGATED,
 486         FEAT_LINEBUFFERSPLIT,
 487         FEAT_ROWREPEATENABLE,
 488         FEAT_RESIZECONF,
 489         FEAT_CPR,
 490         FEAT_PRELOAD,
 491         FEAT_FIR_COEF_V,
 492         FEAT_ALPHA_FIXED_ZORDER,
 493         FEAT_FIFO_MERGE,
 494 };
 495
 496 static const enum dss_feat_id omap3630_dss_feat_list[] = {
 497         FEAT_LCDENABLEPOL,
 498         FEAT_LCDENABLESIGNAL,
 499         FEAT_PCKFREEENABLE,
 500         FEAT_FUNCGATED,
 501         FEAT_LINEBUFFERSPLIT,
 502         FEAT_ROWREPEATENABLE,
 503         FEAT_RESIZECONF,
 504         FEAT_DSI_PLL_PWR_BUG,
 505         FEAT_CPR,
 506         FEAT_PRELOAD,
 507         FEAT_FIR_COEF_V,
 508         FEAT_ALPHA_FIXED_ZORDER,
 509         FEAT_FIFO_MERGE,
 510         FEAT_OMAP3_DSI_FIFO_BUG,
 511         FEAT_DPI_USES_VDDS_DSI,
 512 };
 513
 514 static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
 515         FEAT_MGR_LCD2,
 516         FEAT_CORE_CLK_DIV,
 517         FEAT_LCD_CLK_SRC,
 518         FEAT_DSI_DCS_CMD_CONFIG_VC,
 519         FEAT_DSI_VC_OCP_WIDTH,
 520         FEAT_DSI_GNQ,
 521         FEAT_HANDLE_UV_SEPARATE,
 522         FEAT_ATTR2,
 523         FEAT_CPR,
 524         FEAT_PRELOAD,
 525         FEAT_FIR_COEF_V,
 526         FEAT_ALPHA_FREE_ZORDER,
 527         FEAT_FIFO_MERGE,
 528         FEAT_BURST_2D,
 529 };
 530
 531 static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
 532         FEAT_MGR_LCD2,
 533         FEAT_CORE_CLK_DIV,
 534         FEAT_LCD_CLK_SRC,
 535         FEAT_DSI_DCS_CMD_CONFIG_VC,
 536         FEAT_DSI_VC_OCP_WIDTH,
 537         FEAT_DSI_GNQ,
 538         FEAT_HDMI_CTS_SWMODE,
 539         FEAT_HANDLE_UV_SEPARATE,
 540         FEAT_ATTR2,
 541         FEAT_CPR,
 542         FEAT_PRELOAD,
 543         FEAT_FIR_COEF_V,
 544         FEAT_ALPHA_FREE_ZORDER,
 545         FEAT_FIFO_MERGE,
 546         FEAT_BURST_2D,
 547 };
 548
 549 static const enum dss_feat_id omap4_dss_feat_list[] = {
 550         FEAT_MGR_LCD2,
 551         FEAT_CORE_CLK_DIV,
 552         FEAT_LCD_CLK_SRC,
 553         FEAT_DSI_DCS_CMD_CONFIG_VC,
 554         FEAT_DSI_VC_OCP_WIDTH,
 555         FEAT_DSI_GNQ,
 556         FEAT_HDMI_CTS_SWMODE,
 557         FEAT_HDMI_AUDIO_USE_MCLK,
 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 omap5_dss_feat_list[] = {
 569         FEAT_MGR_LCD2,
 570         FEAT_MGR_LCD3,
 571         FEAT_CORE_CLK_DIV,
 572         FEAT_LCD_CLK_SRC,
 573         FEAT_DSI_DCS_CMD_CONFIG_VC,
 574         FEAT_DSI_VC_OCP_WIDTH,
 575         FEAT_DSI_GNQ,
 576         FEAT_HDMI_CTS_SWMODE,
 577         FEAT_HDMI_AUDIO_USE_MCLK,
 578         FEAT_HANDLE_UV_SEPARATE,
 579         FEAT_ATTR2,
 580         FEAT_CPR,
 581         FEAT_PRELOAD,
 582         FEAT_FIR_COEF_V,
 583         FEAT_ALPHA_FREE_ZORDER,
 584         FEAT_FIFO_MERGE,
 585         FEAT_BURST_2D,
 586         FEAT_DSI_PHY_DCC,
 587         FEAT_MFLAG,
 588 };
 589
 590 /* OMAP2 DSS Features */
 591 static const struct omap_dss_features omap2_dss_features = {
 592         .reg_fields = omap2_dss_reg_fields,
 593         .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
 594
 595         .features = omap2_dss_feat_list,
 596         .num_features = ARRAY_SIZE(omap2_dss_feat_list),
 597
 598         .num_mgrs = 2,
 599         .num_ovls = 3,
 600         .supported_displays = omap2_dss_supported_displays,
 601         .supported_outputs = omap2_dss_supported_outputs,
 602         .supported_color_modes = omap2_dss_supported_color_modes,
 603         .overlay_caps = omap2_dss_overlay_caps,
 604         .dss_params = omap2_dss_param_range,
 605         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 606         .buffer_size_unit = 1,
 607         .burst_size_unit = 8,
 608 };
 609
 610 /* OMAP3 DSS Features */
 611 static const struct omap_dss_features omap3430_dss_features = {
 612         .reg_fields = omap3_dss_reg_fields,
 613         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 614
 615         .features = omap3430_dss_feat_list,
 616         .num_features = ARRAY_SIZE(omap3430_dss_feat_list),
 617
 618         .num_mgrs = 2,
 619         .num_ovls = 3,
 620         .supported_displays = omap3430_dss_supported_displays,
 621         .supported_outputs = omap3430_dss_supported_outputs,
 622         .supported_color_modes = omap3_dss_supported_color_modes,
 623         .overlay_caps = omap3430_dss_overlay_caps,
 624         .dss_params = omap3_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 /*
 631  * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
 632  * vdds_dsi regulator.
 633  */
 634 static const struct omap_dss_features am35xx_dss_features = {
 635         .reg_fields = omap3_dss_reg_fields,
 636         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 637
 638         .features = am35xx_dss_feat_list,
 639         .num_features = ARRAY_SIZE(am35xx_dss_feat_list),
 640
 641         .num_mgrs = 2,
 642         .num_ovls = 3,
 643         .supported_displays = omap3430_dss_supported_displays,
 644         .supported_outputs = omap3430_dss_supported_outputs,
 645         .supported_color_modes = omap3_dss_supported_color_modes,
 646         .overlay_caps = omap3430_dss_overlay_caps,
 647         .dss_params = omap3_dss_param_range,
 648         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 649         .buffer_size_unit = 1,
 650         .burst_size_unit = 8,
 651 };
 652
 653 static const struct omap_dss_features am43xx_dss_features = {
 654         .reg_fields = am43xx_dss_reg_fields,
 655         .num_reg_fields = ARRAY_SIZE(am43xx_dss_reg_fields),
 656
 657         .features = am43xx_dss_feat_list,
 658         .num_features = ARRAY_SIZE(am43xx_dss_feat_list),
 659
 660         .num_mgrs = 1,
 661         .num_ovls = 3,
 662         .supported_displays = am43xx_dss_supported_displays,
 663         .supported_outputs = am43xx_dss_supported_outputs,
 664         .supported_color_modes = omap3_dss_supported_color_modes,
 665         .overlay_caps = omap3430_dss_overlay_caps,
 666         .dss_params = am43xx_dss_param_range,
 667         .supported_rotation_types = OMAP_DSS_ROT_DMA,
 668         .buffer_size_unit = 1,
 669         .burst_size_unit = 8,
 670 };
 671
 672 static const struct omap_dss_features omap3630_dss_features = {
 673         .reg_fields = omap3_dss_reg_fields,
 674         .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
 675
 676         .features = omap3630_dss_feat_list,
 677         .num_features = ARRAY_SIZE(omap3630_dss_feat_list),
 678
 679         .num_mgrs = 2,
 680         .num_ovls = 3,
 681         .supported_displays = omap3630_dss_supported_displays,
 682         .supported_outputs = omap3630_dss_supported_outputs,
 683         .supported_color_modes = omap3_dss_supported_color_modes,
 684         .overlay_caps = omap3630_dss_overlay_caps,
 685         .dss_params = omap3_dss_param_range,
 686         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
 687         .buffer_size_unit = 1,
 688         .burst_size_unit = 8,
 689 };
 690
 691 /* OMAP4 DSS Features */
 692 /* For OMAP4430 ES 1.0 revision */
 693 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 694         .reg_fields = omap4_dss_reg_fields,
 695         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 696
 697         .features = omap4430_es1_0_dss_feat_list,
 698         .num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
 699
 700         .num_mgrs = 3,
 701         .num_ovls = 4,
 702         .supported_displays = omap4_dss_supported_displays,
 703         .supported_outputs = omap4_dss_supported_outputs,
 704         .supported_color_modes = omap4_dss_supported_color_modes,
 705         .overlay_caps = omap4_dss_overlay_caps,
 706         .dss_params = omap4_dss_param_range,
 707         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 708         .buffer_size_unit = 16,
 709         .burst_size_unit = 16,
 710 };
 711
 712 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 713 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 714         .reg_fields = omap4_dss_reg_fields,
 715         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 716
 717         .features = omap4430_es2_0_1_2_dss_feat_list,
 718         .num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
 719
 720         .num_mgrs = 3,
 721         .num_ovls = 4,
 722         .supported_displays = omap4_dss_supported_displays,
 723         .supported_outputs = omap4_dss_supported_outputs,
 724         .supported_color_modes = omap4_dss_supported_color_modes,
 725         .overlay_caps = omap4_dss_overlay_caps,
 726         .dss_params = omap4_dss_param_range,
 727         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 728         .buffer_size_unit = 16,
 729         .burst_size_unit = 16,
 730 };
 731
 732 /* For all the other OMAP4 versions */
 733 static const struct omap_dss_features omap4_dss_features = {
 734         .reg_fields = omap4_dss_reg_fields,
 735         .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
 736
 737         .features = omap4_dss_feat_list,
 738         .num_features = ARRAY_SIZE(omap4_dss_feat_list),
 739
 740         .num_mgrs = 3,
 741         .num_ovls = 4,
 742         .supported_displays = omap4_dss_supported_displays,
 743         .supported_outputs = omap4_dss_supported_outputs,
 744         .supported_color_modes = omap4_dss_supported_color_modes,
 745         .overlay_caps = omap4_dss_overlay_caps,
 746         .dss_params = omap4_dss_param_range,
 747         .supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
 748         .buffer_size_unit = 16,
 749         .burst_size_unit = 16,
 750 };
 751
 752 /* OMAP5 DSS Features */
 753 static const struct omap_dss_features omap5_dss_features = {
 754         .reg_fields = omap5_dss_reg_fields,
 755         .num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
 756
 757         .features = omap5_dss_feat_list,
 758         .num_features = ARRAY_SIZE(omap5_dss_feat_list),
 759
 760         .num_mgrs = 4,
 761         .num_ovls = 4,
 762         .supported_displays = omap5_dss_supported_displays,
 763         .supported_outputs = omap5_dss_supported_outputs,
 764         .supported_color_modes = omap4_dss_supported_color_modes,
 765         .overlay_caps = omap4_dss_overlay_caps,
 766         .dss_params = omap5_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 /* Functions returning values related to a DSS feature */
 773 int dss_feat_get_num_mgrs(void)
 774 {
 775         return omap_current_dss_features->num_mgrs;
 776 }
 777 EXPORT_SYMBOL(dss_feat_get_num_mgrs);
 778
 779 int dss_feat_get_num_ovls(void)
 780 {
 781         return omap_current_dss_features->num_ovls;
 782 }
 783 EXPORT_SYMBOL(dss_feat_get_num_ovls);
 784
 785 unsigned long dss_feat_get_param_min(enum dss_range_param param)
 786 {
 787         return omap_current_dss_features->dss_params[param].min;
 788 }
 789
 790 unsigned long dss_feat_get_param_max(enum dss_range_param param)
 791 {
 792         return omap_current_dss_features->dss_params[param].max;
 793 }
 794
 795 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
 796 {
 797         return omap_current_dss_features->supported_displays[channel];
 798 }
 799
 800 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
 801 {
 802         return omap_current_dss_features->supported_outputs[channel];
 803 }
 804
 805 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
 806 {
 807         return omap_current_dss_features->supported_color_modes[plane];
 808 }
 809 EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
 810
 811 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
 812 {
 813         return omap_current_dss_features->overlay_caps[plane];
 814 }
 815
 816 bool dss_feat_color_mode_supported(enum omap_plane plane,
 817                 enum omap_color_mode color_mode)
 818 {
 819         return omap_current_dss_features->supported_color_modes[plane] &
 820                         color_mode;
 821 }
 822
 823 u32 dss_feat_get_buffer_size_unit(void)
 824 {
 825         return omap_current_dss_features->buffer_size_unit;
 826 }
 827
 828 u32 dss_feat_get_burst_size_unit(void)
 829 {
 830         return omap_current_dss_features->burst_size_unit;
 831 }
 832
 833 /* DSS has_feature check */
 834 bool dss_has_feature(enum dss_feat_id id)
 835 {
 836         int i;
 837         const enum dss_feat_id *features = omap_current_dss_features->features;
 838         const int num_features = omap_current_dss_features->num_features;
 839
 840         for (i = 0; i < num_features; i++) {
 841                 if (features[i] == id)
 842                         return true;
 843         }
 844
 845         return false;
 846 }
 847
 848 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
 849 {
 850         if (id >= omap_current_dss_features->num_reg_fields)
 851                 BUG();
 852
 853         *start = omap_current_dss_features->reg_fields[id].start;
 854         *end = omap_current_dss_features->reg_fields[id].end;
 855 }
 856
 857 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
 858 {
 859         return omap_current_dss_features->supported_rotation_types & rot_type;
 860 }
 861
 862 void dss_features_init(enum omapdss_version version)
 863 {
 864         switch (version) {
 865         case OMAPDSS_VER_OMAP24xx:
 866                 omap_current_dss_features = &omap2_dss_features;
 867                 break;
 868
 869         case OMAPDSS_VER_OMAP34xx_ES1:
 870         case OMAPDSS_VER_OMAP34xx_ES3:
 871                 omap_current_dss_features = &omap3430_dss_features;
 872                 break;
 873
 874         case OMAPDSS_VER_OMAP3630:
 875                 omap_current_dss_features = &omap3630_dss_features;
 876                 break;
 877
 878         case OMAPDSS_VER_OMAP4430_ES1:
 879                 omap_current_dss_features = &omap4430_es1_0_dss_features;
 880                 break;
 881
 882         case OMAPDSS_VER_OMAP4430_ES2:
 883                 omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
 884                 break;
 885
 886         case OMAPDSS_VER_OMAP4:
 887                 omap_current_dss_features = &omap4_dss_features;
 888                 break;
 889
 890         case OMAPDSS_VER_OMAP5:
 891         case OMAPDSS_VER_DRA7xx:
 892                 omap_current_dss_features = &omap5_dss_features;
 893                 break;
 894
 895         case OMAPDSS_VER_AM35xx:
 896                 omap_current_dss_features = &am35xx_dss_features;
 897                 break;
 898
 899         case OMAPDSS_VER_AM43xx:
 900                 omap_current_dss_features = &am43xx_dss_features;
 901                 break;
 902
 903         default:
 904                 DSSWARN("Unsupported OMAP version");
 905                 break;
 906         }
 907 }