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 */
21struct dss_reg_field {
22	u8 start, end;
23};
24
25struct dss_param_range {
26	int min, max;
27};
28
29struct 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 */
52static const struct omap_dss_features *omap_current_dss_features;
53
54static 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
65static 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
76static 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
87static 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
98static 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
109static 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
117static 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
126static 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
135static 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
140static 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
152static 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
165static 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
173static 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
182static 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
191static 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
196static 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
208static 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
225static 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
243static 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
265static 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
317static 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
330static 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
344static 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
359static 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
381static 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
387static 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
393static 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
401static 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
409static 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
420static 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
429static 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
436static 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
445static 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
454static 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
463static 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
482static 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
500static 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
515static 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
533static 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
550static 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
568static 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
587static 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 */
610static 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 */
631static 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 */
655static 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
675static 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
695static 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 */
717static 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 */
738static 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 */
759static 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 */
780static 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 */
801int dss_feat_get_num_mgrs(void)
802{
803	return omap_current_dss_features->num_mgrs;
804}
805EXPORT_SYMBOL(dss_feat_get_num_mgrs);
806
807int dss_feat_get_num_ovls(void)
808{
809	return omap_current_dss_features->num_ovls;
810}
811EXPORT_SYMBOL(dss_feat_get_num_ovls);
812
813unsigned long dss_feat_get_param_min(enum dss_range_param param)
814{
815	return omap_current_dss_features->dss_params[param].min;
816}
817
818unsigned long dss_feat_get_param_max(enum dss_range_param param)
819{
820	return omap_current_dss_features->dss_params[param].max;
821}
822
823enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
824{
825	return omap_current_dss_features->supported_displays[channel];
826}
827
828enum 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
833enum 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}
837EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
838
839enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
840{
841	return omap_current_dss_features->overlay_caps[plane];
842}
843
844bool 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
851const 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
856u32 dss_feat_get_buffer_size_unit(void)
857{
858	return omap_current_dss_features->buffer_size_unit;
859}
860
861u32 dss_feat_get_burst_size_unit(void)
862{
863	return omap_current_dss_features->burst_size_unit;
864}
865
866/* DSS has_feature check */
867bool 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
881void 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
889bool 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
894void 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}
940