aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/omap2/dss/dss_features.c
blob: b402699168a52fe0b4f3ea8e07786eeb0afcf8a0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
/*
 * linux/drivers/video/omap2/dss/dss_features.c
 *
 * Copyright (C) 2010 Texas Instruments
 * Author: Archit Taneja <archit@ti.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/err.h>
#include <linux/slab.h>

#include <video/omapdss.h>
#include <plat/cpu.h>

#include "dss.h"
#include "dss_features.h"

/* Defines a generic omap register field */
struct dss_reg_field {
	u8 start, end;
};

struct dss_param_range {
	int min, max;
};

struct omap_dss_features {
	const struct dss_reg_field *reg_fields;
	const int num_reg_fields;

	const u32 has_feature;

	const int num_mgrs;
	const int num_ovls;
	const enum omap_display_type *supported_displays;
	const enum omap_color_mode *supported_color_modes;
	const enum omap_overlay_caps *overlay_caps;
	const char * const *clksrc_names;
	const struct dss_param_range *dss_params;

	const u32 buffer_size_unit;
	const u32 burst_size_unit;
};

/* This struct is assigned to one of the below during initialization */
static const struct omap_dss_features *omap_current_dss_features;

static const struct dss_reg_field omap2_dss_reg_fields[] = {
	[FEAT_REG_FIRHINC]			= { 11, 0 },
	[FEAT_REG_FIRVINC]			= { 27, 16 },
	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 8, 0 },
	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 24, 16 },
	[FEAT_REG_FIFOSIZE]			= { 8, 0 },
	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
	[FEAT_REG_DSIPLL_REGN]			= { 0, 0 },
	[FEAT_REG_DSIPLL_REGM]			= { 0, 0 },
	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 0, 0 },
	[FEAT_REG_DSIPLL_REGM_DSI]		= { 0, 0 },
};

static const struct dss_reg_field omap3_dss_reg_fields[] = {
	[FEAT_REG_FIRHINC]			= { 12, 0 },
	[FEAT_REG_FIRVINC]			= { 28, 16 },
	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 11, 0 },
	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
	[FEAT_REG_FIFOSIZE]			= { 10, 0 },
	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
	[FEAT_REG_DSIPLL_REGN]			= { 7, 1 },
	[FEAT_REG_DSIPLL_REGM]			= { 18, 8 },
	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 22, 19 },
	[FEAT_REG_DSIPLL_REGM_DSI]		= { 26, 23 },
};

static const struct dss_reg_field omap4_dss_reg_fields[] = {
	[FEAT_REG_FIRHINC]			= { 12, 0 },
	[FEAT_REG_FIRVINC]			= { 28, 16 },
	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
	[FEAT_REG_DISPC_CLK_SWITCH]		= { 9, 8 },
	[FEAT_REG_DSIPLL_REGN]			= { 8, 1 },
	[FEAT_REG_DSIPLL_REGM]			= { 20, 9 },
	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 25, 21 },
	[FEAT_REG_DSIPLL_REGM_DSI]		= { 30, 26 },
};

static const enum omap_display_type omap2_dss_supported_displays[] = {
	/* OMAP_DSS_CHANNEL_LCD */
	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,

	/* OMAP_DSS_CHANNEL_DIGIT */
	OMAP_DISPLAY_TYPE_VENC,
};

static const enum omap_display_type omap3430_dss_supported_displays[] = {
	/* OMAP_DSS_CHANNEL_LCD */
	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
	OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,

	/* OMAP_DSS_CHANNEL_DIGIT */
	OMAP_DISPLAY_TYPE_VENC,
};

static const enum omap_display_type omap3630_dss_supported_displays[] = {
	/* OMAP_DSS_CHANNEL_LCD */
	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
	OMAP_DISPLAY_TYPE_DSI,

	/* OMAP_DSS_CHANNEL_DIGIT */
	OMAP_DISPLAY_TYPE_VENC,
};

static const enum omap_display_type omap4_dss_supported_displays[] = {
	/* OMAP_DSS_CHANNEL_LCD */
	OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,

	/* OMAP_DSS_CHANNEL_DIGIT */
	OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,

	/* OMAP_DSS_CHANNEL_LCD2 */
	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
	OMAP_DISPLAY_TYPE_DSI,
};

static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
	OMAP_DSS_COLOR_UYVY,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
	OMAP_DSS_COLOR_UYVY,
};

static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
	OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
};

static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
	OMAP_DSS_COLOR_ARGB16_1555,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
	OMAP_DSS_COLOR_RGBX32,

       /* OMAP_DSS_VIDEO2 */
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
	OMAP_DSS_COLOR_RGBX32,

	/* OMAP_DSS_VIDEO3 */
	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
	OMAP_DSS_COLOR_RGBX32,
};

static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
	/* OMAP_DSS_GFX */
	0,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_OVL_CAP_SCALE,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_OVL_CAP_SCALE,
};

static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_OVL_CAP_SCALE,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
};

static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_OVL_CAP_SCALE,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
};

static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
	/* OMAP_DSS_GFX */
	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
		OMAP_DSS_OVL_CAP_ZORDER,

	/* OMAP_DSS_VIDEO1 */
	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,

	/* OMAP_DSS_VIDEO2 */
	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,

	/* OMAP_DSS_VIDEO3 */
	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
};

static const char * const omap2_dss_clk_source_names[] = {
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "N/A",
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "N/A",
	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK1",
};

static const char * const omap3_dss_clk_source_names[] = {
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DSI1_PLL_FCLK",
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DSI2_PLL_FCLK",
	[OMAP_DSS_CLK_SRC_FCK]			= "DSS1_ALWON_FCLK",
};

static const char * const omap4_dss_clk_source_names[] = {
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "PLL1_CLK1",
	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "PLL1_CLK2",
	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK",
	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "PLL2_CLK1",
	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "PLL2_CLK2",
};

static const struct dss_param_range omap2_dss_param_range[] = {
	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
	[FEAT_PARAM_DSS_PCD]			= { 2, 255 },
	[FEAT_PARAM_DSIPLL_REGN]		= { 0, 0 },
	[FEAT_PARAM_DSIPLL_REGM]		= { 0, 0 },
	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, 0 },
	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, 0 },
	[FEAT_PARAM_DSIPLL_FINT]		= { 0, 0 },
	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, 0 },
	[FEAT_PARAM_DOWNSCALE]			= { 1, 2 },
};

static const struct dss_param_range omap3_dss_param_range[] = {
	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
	[FEAT_PARAM_DSIPLL_REGN]		= { 0, (1 << 7) - 1 },
	[FEAT_PARAM_DSIPLL_REGM]		= { 0, (1 << 11) - 1 },
	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, (1 << 4) - 1 },
	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 4) - 1 },
	[FEAT_PARAM_DSIPLL_FINT]		= { 750000, 2100000 },
	[FEAT_PARAM_DSIPLL_LPDIV]		= { 1, (1 << 13) - 1},
	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
};

static const struct dss_param_range omap4_dss_param_range[] = {
	[FEAT_PARAM_DSS_FCK]			= { 0, 186000000 },
	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
	[FEAT_PARAM_DSIPLL_REGN]		= { 0, (1 << 8) - 1 },
	[FEAT_PARAM_DSIPLL_REGM]		= { 0, (1 << 12) - 1 },
	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, (1 << 5) - 1 },
	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 5) - 1 },
	[FEAT_PARAM_DSIPLL_FINT]		= { 500000, 2500000 },
	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
};

/* OMAP2 DSS Features */
static const struct omap_dss_features omap2_dss_features = {
	.reg_fields = omap2_dss_reg_fields,
	.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),

	.has_feature	=
		FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL |
		FEAT_PCKFREEENABLE | FEAT_FUNCGATED |
		FEAT_ROWREPEATENABLE | FEAT_RESIZECONF,

	.num_mgrs = 2,
	.num_ovls = 3,
	.supported_displays = omap2_dss_supported_displays,
	.supported_color_modes = omap2_dss_supported_color_modes,
	.overlay_caps = omap2_dss_overlay_caps,
	.clksrc_names = omap2_dss_clk_source_names,
	.dss_params = omap2_dss_param_range,
	.buffer_size_unit = 1,
	.burst_size_unit = 8,
};

/* OMAP3 DSS Features */
static const struct omap_dss_features omap3430_dss_features = {
	.reg_fields = omap3_dss_reg_fields,
	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),

	.has_feature	=
		FEAT_LCDENABLEPOL |
		FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
		FEAT_FUNCGATED | FEAT_ROWREPEATENABLE |
		FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF |
		FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC |
		FEAT_VENC_REQUIRES_TV_DAC_CLK | FEAT_CPR | FEAT_PRELOAD |
		FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,

	.num_mgrs = 2,
	.num_ovls = 3,
	.supported_displays = omap3430_dss_supported_displays,
	.supported_color_modes = omap3_dss_supported_color_modes,
	.overlay_caps = omap3430_dss_overlay_caps,
	.clksrc_names = omap3_dss_clk_source_names,
	.dss_params = omap3_dss_param_range,
	.buffer_size_unit = 1,
	.burst_size_unit = 8,
};

static const struct omap_dss_features omap3630_dss_features = {
	.reg_fields = omap3_dss_reg_fields,
	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),

	.has_feature    =
		FEAT_LCDENABLEPOL |
		FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
		FEAT_FUNCGATED |
		FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT |
		FEAT_RESIZECONF | FEAT_DSI_PLL_PWR_BUG |
		FEAT_DSI_PLL_FREQSEL | FEAT_CPR | FEAT_PRELOAD |
		FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,

	.num_mgrs = 2,
	.num_ovls = 3,
	.supported_displays = omap3630_dss_supported_displays,
	.supported_color_modes = omap3_dss_supported_color_modes,
	.overlay_caps = omap3630_dss_overlay_caps,
	.clksrc_names = omap3_dss_clk_source_names,
	.dss_params = omap3_dss_param_range,
	.buffer_size_unit = 1,
	.burst_size_unit = 8,
};

/* OMAP4 DSS Features */
/* For OMAP4430 ES 1.0 revision */
static const struct omap_dss_features omap4430_es1_0_dss_features  = {
	.reg_fields = omap4_dss_reg_fields,
	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),

	.has_feature	=
		FEAT_MGR_LCD2 |
		FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
		FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
		FEAT_DSI_GNQ | FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 |
		FEAT_CPR | FEAT_PRELOAD | FEAT_FIR_COEF_V |
		FEAT_ALPHA_FREE_ZORDER,

	.num_mgrs = 3,
	.num_ovls = 4,
	.supported_displays = omap4_dss_supported_displays,
	.supported_color_modes = omap4_dss_supported_color_modes,
	.overlay_caps = omap4_dss_overlay_caps,
	.clksrc_names = omap4_dss_clk_source_names,
	.dss_params = omap4_dss_param_range,
	.buffer_size_unit = 16,
	.burst_size_unit = 16,
};

/* For all the other OMAP4 versions */
static const struct omap_dss_features omap4_dss_features = {
	.reg_fields = omap4_dss_reg_fields,
	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),

	.has_feature	=
		FEAT_MGR_LCD2 |
		FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
		FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
		FEAT_DSI_GNQ | FEAT_HDMI_CTS_SWMODE |
		FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 | FEAT_CPR |
		FEAT_PRELOAD | FEAT_FIR_COEF_V | FEAT_ALPHA_FREE_ZORDER,

	.num_mgrs = 3,
	.num_ovls = 4,
	.supported_displays = omap4_dss_supported_displays,
	.supported_color_modes = omap4_dss_supported_color_modes,
	.overlay_caps = omap4_dss_overlay_caps,
	.clksrc_names = omap4_dss_clk_source_names,
	.dss_params = omap4_dss_param_range,
	.buffer_size_unit = 16,
	.burst_size_unit = 16,
};

#if defined(CONFIG_OMAP4_DSS_HDMI)
/* HDMI OMAP4 Functions*/
static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {

	.video_configure	=	ti_hdmi_4xxx_basic_configure,
	.phy_enable		=	ti_hdmi_4xxx_phy_enable,
	.phy_disable		=	ti_hdmi_4xxx_phy_disable,
	.read_edid		=	ti_hdmi_4xxx_read_edid,
	.detect			=	ti_hdmi_4xxx_detect,
	.pll_enable		=	ti_hdmi_4xxx_pll_enable,
	.pll_disable		=	ti_hdmi_4xxx_pll_disable,
	.video_enable		=	ti_hdmi_4xxx_wp_video_start,
	.dump_wrapper		=	ti_hdmi_4xxx_wp_dump,
	.dump_core		=	ti_hdmi_4xxx_core_dump,
	.dump_pll		=	ti_hdmi_4xxx_pll_dump,
	.dump_phy		=	ti_hdmi_4xxx_phy_dump,

};

void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data)
{
	if (cpu_is_omap44xx())
		ip_data->ops = &omap4_hdmi_functions;
}
#endif

/* Functions returning values related to a DSS feature */
int dss_feat_get_num_mgrs(void)
{
	return omap_current_dss_features->num_mgrs;
}

int dss_feat_get_num_ovls(void)
{
	return omap_current_dss_features->num_ovls;
}

unsigned long dss_feat_get_param_min(enum dss_range_param param)
{
	return omap_current_dss_features->dss_params[param].min;
}

unsigned long dss_feat_get_param_max(enum dss_range_param param)
{
	return omap_current_dss_features->dss_params[param].max;
}

enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
{
	return omap_current_dss_features->supported_displays[channel];
}

enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
{
	return omap_current_dss_features->supported_color_modes[plane];
}

enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
{
	return omap_current_dss_features->overlay_caps[plane];
}

bool dss_feat_color_mode_supported(enum omap_plane plane,
		enum omap_color_mode color_mode)
{
	return omap_current_dss_features->supported_color_modes[plane] &
			color_mode;
}

const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
{
	return omap_current_dss_features->clksrc_names[id];
}

u32 dss_feat_get_buffer_size_unit(void)
{
	return omap_current_dss_features->buffer_size_unit;
}

u32 dss_feat_get_burst_size_unit(void)
{
	return omap_current_dss_features->burst_size_unit;
}

/* DSS has_feature check */
bool dss_has_feature(enum dss_feat_id id)
{
	return omap_current_dss_features->has_feature & id;
}

void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
{
	if (id >= omap_current_dss_features->num_reg_fields)
		BUG();

	*start = omap_current_dss_features->reg_fields[id].start;
	*end = omap_current_dss_features->reg_fields[id].end;
}

void dss_features_init(void)
{
	if (cpu_is_omap24xx())
		omap_current_dss_features = &omap2_dss_features;
	else if (cpu_is_omap3630())
		omap_current_dss_features = &omap3630_dss_features;
	else if (cpu_is_omap34xx())
		omap_current_dss_features = &omap3430_dss_features;
	else if (omap_rev() == OMAP4430_REV_ES1_0)
		omap_current_dss_features = &omap4430_es1_0_dss_features;
	else if (cpu_is_omap44xx())
		omap_current_dss_features = &omap4_dss_features;
	else
		DSSWARN("Unsupported OMAP version");
}