Commit | Line | Data |
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80c39712 TV |
1 | /* |
2 | * linux/drivers/video/omap2/dss/dispc.c | |
3 | * | |
4 | * Copyright (C) 2009 Nokia Corporation | |
5 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> | |
6 | * | |
7 | * Some code and ideas taken from drivers/video/omap/ driver | |
8 | * by Imre Deak. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License version 2 as published by | |
12 | * the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
17 | * more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along with | |
20 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #define DSS_SUBSYS_NAME "DISPC" | |
24 | ||
25 | #include <linux/kernel.h> | |
26 | #include <linux/dma-mapping.h> | |
27 | #include <linux/vmalloc.h> | |
28 | #include <linux/clk.h> | |
29 | #include <linux/io.h> | |
30 | #include <linux/jiffies.h> | |
31 | #include <linux/seq_file.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/workqueue.h> | |
ab83b14c | 34 | #include <linux/hardirq.h> |
affe360d | 35 | #include <linux/interrupt.h> |
24e6289c | 36 | #include <linux/platform_device.h> |
80c39712 TV |
37 | |
38 | #include <plat/sram.h> | |
39 | #include <plat/clock.h> | |
40 | ||
a0b38cc4 | 41 | #include <video/omapdss.h> |
80c39712 TV |
42 | |
43 | #include "dss.h" | |
a0acb557 | 44 | #include "dss_features.h" |
9b372c2d | 45 | #include "dispc.h" |
80c39712 TV |
46 | |
47 | /* DISPC */ | |
8613b000 | 48 | #define DISPC_SZ_REGS SZ_4K |
80c39712 | 49 | |
80c39712 TV |
50 | #define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ |
51 | DISPC_IRQ_OCP_ERR | \ | |
52 | DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ | |
53 | DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ | |
54 | DISPC_IRQ_SYNC_LOST | \ | |
55 | DISPC_IRQ_SYNC_LOST_DIGIT) | |
56 | ||
57 | #define DISPC_MAX_NR_ISRS 8 | |
58 | ||
59 | struct omap_dispc_isr_data { | |
60 | omap_dispc_isr_t isr; | |
61 | void *arg; | |
62 | u32 mask; | |
63 | }; | |
64 | ||
66be8f6c GI |
65 | struct dispc_h_coef { |
66 | s8 hc4; | |
67 | s8 hc3; | |
68 | u8 hc2; | |
69 | s8 hc1; | |
70 | s8 hc0; | |
71 | }; | |
72 | ||
73 | struct dispc_v_coef { | |
74 | s8 vc22; | |
75 | s8 vc2; | |
76 | u8 vc1; | |
77 | s8 vc0; | |
78 | s8 vc00; | |
79 | }; | |
80 | ||
80c39712 TV |
81 | #define REG_GET(idx, start, end) \ |
82 | FLD_GET(dispc_read_reg(idx), start, end) | |
83 | ||
84 | #define REG_FLD_MOD(idx, val, start, end) \ | |
85 | dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end)) | |
86 | ||
dfc0fd8d TV |
87 | struct dispc_irq_stats { |
88 | unsigned long last_reset; | |
89 | unsigned irq_count; | |
90 | unsigned irqs[32]; | |
91 | }; | |
92 | ||
80c39712 | 93 | static struct { |
060b6d9c | 94 | struct platform_device *pdev; |
80c39712 | 95 | void __iomem *base; |
affe360d | 96 | int irq; |
80c39712 TV |
97 | |
98 | u32 fifo_size[3]; | |
99 | ||
100 | spinlock_t irq_lock; | |
101 | u32 irq_error_mask; | |
102 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | |
103 | u32 error_irqs; | |
104 | struct work_struct error_work; | |
105 | ||
106 | u32 ctx[DISPC_SZ_REGS / sizeof(u32)]; | |
dfc0fd8d TV |
107 | |
108 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | |
109 | spinlock_t irq_stats_lock; | |
110 | struct dispc_irq_stats irq_stats; | |
111 | #endif | |
80c39712 TV |
112 | } dispc; |
113 | ||
0d66cbb5 AJ |
114 | enum omap_color_component { |
115 | /* used for all color formats for OMAP3 and earlier | |
116 | * and for RGB and Y color component on OMAP4 | |
117 | */ | |
118 | DISPC_COLOR_COMPONENT_RGB_Y = 1 << 0, | |
119 | /* used for UV component for | |
120 | * OMAP_DSS_COLOR_YUV2, OMAP_DSS_COLOR_UYVY, OMAP_DSS_COLOR_NV12 | |
121 | * color formats on OMAP4 | |
122 | */ | |
123 | DISPC_COLOR_COMPONENT_UV = 1 << 1, | |
124 | }; | |
125 | ||
80c39712 TV |
126 | static void _omap_dispc_set_irqs(void); |
127 | ||
55978cc2 | 128 | static inline void dispc_write_reg(const u16 idx, u32 val) |
80c39712 | 129 | { |
55978cc2 | 130 | __raw_writel(val, dispc.base + idx); |
80c39712 TV |
131 | } |
132 | ||
55978cc2 | 133 | static inline u32 dispc_read_reg(const u16 idx) |
80c39712 | 134 | { |
55978cc2 | 135 | return __raw_readl(dispc.base + idx); |
80c39712 TV |
136 | } |
137 | ||
138 | #define SR(reg) \ | |
55978cc2 | 139 | dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg) |
80c39712 | 140 | #define RR(reg) \ |
55978cc2 | 141 | dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)]) |
80c39712 TV |
142 | |
143 | void dispc_save_context(void) | |
144 | { | |
5719d35c | 145 | int i; |
80c39712 TV |
146 | if (cpu_is_omap24xx()) |
147 | return; | |
148 | ||
149 | SR(SYSCONFIG); | |
150 | SR(IRQENABLE); | |
151 | SR(CONTROL); | |
152 | SR(CONFIG); | |
702d1448 AT |
153 | SR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD)); |
154 | SR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
155 | SR(TRANS_COLOR(OMAP_DSS_CHANNEL_LCD)); | |
156 | SR(TRANS_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
80c39712 | 157 | SR(LINE_NUMBER); |
702d1448 AT |
158 | SR(TIMING_H(OMAP_DSS_CHANNEL_LCD)); |
159 | SR(TIMING_V(OMAP_DSS_CHANNEL_LCD)); | |
160 | SR(POL_FREQ(OMAP_DSS_CHANNEL_LCD)); | |
161 | SR(DIVISORo(OMAP_DSS_CHANNEL_LCD)); | |
332e9d70 TV |
162 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
163 | SR(GLOBAL_ALPHA); | |
702d1448 AT |
164 | SR(SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT)); |
165 | SR(SIZE_MGR(OMAP_DSS_CHANNEL_LCD)); | |
2a205f34 SS |
166 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
167 | SR(CONTROL2); | |
702d1448 AT |
168 | SR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD2)); |
169 | SR(TRANS_COLOR(OMAP_DSS_CHANNEL_LCD2)); | |
170 | SR(SIZE_MGR(OMAP_DSS_CHANNEL_LCD2)); | |
171 | SR(TIMING_H(OMAP_DSS_CHANNEL_LCD2)); | |
172 | SR(TIMING_V(OMAP_DSS_CHANNEL_LCD2)); | |
173 | SR(POL_FREQ(OMAP_DSS_CHANNEL_LCD2)); | |
174 | SR(DIVISORo(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 SS |
175 | SR(CONFIG2); |
176 | } | |
80c39712 | 177 | |
9b372c2d AT |
178 | SR(OVL_BA0(OMAP_DSS_GFX)); |
179 | SR(OVL_BA1(OMAP_DSS_GFX)); | |
180 | SR(OVL_POSITION(OMAP_DSS_GFX)); | |
181 | SR(OVL_SIZE(OMAP_DSS_GFX)); | |
182 | SR(OVL_ATTRIBUTES(OMAP_DSS_GFX)); | |
183 | SR(OVL_FIFO_THRESHOLD(OMAP_DSS_GFX)); | |
184 | SR(OVL_ROW_INC(OMAP_DSS_GFX)); | |
185 | SR(OVL_PIXEL_INC(OMAP_DSS_GFX)); | |
186 | SR(OVL_WINDOW_SKIP(OMAP_DSS_GFX)); | |
187 | SR(OVL_TABLE_BA(OMAP_DSS_GFX)); | |
80c39712 | 188 | |
702d1448 AT |
189 | SR(DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD)); |
190 | SR(DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD)); | |
191 | SR(DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD)); | |
80c39712 | 192 | |
332e9d70 TV |
193 | if (dss_has_feature(FEAT_CPR)) { |
194 | SR(CPR_COEF_R(OMAP_DSS_CHANNEL_LCD)); | |
195 | SR(CPR_COEF_G(OMAP_DSS_CHANNEL_LCD)); | |
196 | SR(CPR_COEF_B(OMAP_DSS_CHANNEL_LCD)); | |
197 | } | |
2a205f34 | 198 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
332e9d70 TV |
199 | if (dss_has_feature(FEAT_CPR)) { |
200 | SR(CPR_COEF_B(OMAP_DSS_CHANNEL_LCD2)); | |
201 | SR(CPR_COEF_G(OMAP_DSS_CHANNEL_LCD2)); | |
202 | SR(CPR_COEF_R(OMAP_DSS_CHANNEL_LCD2)); | |
203 | } | |
2a205f34 | 204 | |
702d1448 AT |
205 | SR(DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD2)); |
206 | SR(DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD2)); | |
207 | SR(DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 | 208 | } |
80c39712 | 209 | |
332e9d70 TV |
210 | if (dss_has_feature(FEAT_PRELOAD)) |
211 | SR(OVL_PRELOAD(OMAP_DSS_GFX)); | |
80c39712 TV |
212 | |
213 | /* VID1 */ | |
9b372c2d AT |
214 | SR(OVL_BA0(OMAP_DSS_VIDEO1)); |
215 | SR(OVL_BA1(OMAP_DSS_VIDEO1)); | |
216 | SR(OVL_POSITION(OMAP_DSS_VIDEO1)); | |
217 | SR(OVL_SIZE(OMAP_DSS_VIDEO1)); | |
218 | SR(OVL_ATTRIBUTES(OMAP_DSS_VIDEO1)); | |
219 | SR(OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO1)); | |
220 | SR(OVL_ROW_INC(OMAP_DSS_VIDEO1)); | |
221 | SR(OVL_PIXEL_INC(OMAP_DSS_VIDEO1)); | |
222 | SR(OVL_FIR(OMAP_DSS_VIDEO1)); | |
223 | SR(OVL_PICTURE_SIZE(OMAP_DSS_VIDEO1)); | |
224 | SR(OVL_ACCU0(OMAP_DSS_VIDEO1)); | |
225 | SR(OVL_ACCU1(OMAP_DSS_VIDEO1)); | |
226 | ||
5719d35c AJ |
227 | for (i = 0; i < 8; i++) |
228 | SR(OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, i)); | |
229 | ||
230 | for (i = 0; i < 8; i++) | |
231 | SR(OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, i)); | |
232 | ||
233 | for (i = 0; i < 5; i++) | |
234 | SR(OVL_CONV_COEF(OMAP_DSS_VIDEO1, i)); | |
235 | ||
332e9d70 TV |
236 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
237 | for (i = 0; i < 8; i++) | |
238 | SR(OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, i)); | |
239 | } | |
9b372c2d | 240 | |
ab5ca071 AJ |
241 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
242 | SR(OVL_BA0_UV(OMAP_DSS_VIDEO1)); | |
243 | SR(OVL_BA1_UV(OMAP_DSS_VIDEO1)); | |
244 | SR(OVL_FIR2(OMAP_DSS_VIDEO1)); | |
245 | SR(OVL_ACCU2_0(OMAP_DSS_VIDEO1)); | |
246 | SR(OVL_ACCU2_1(OMAP_DSS_VIDEO1)); | |
247 | ||
248 | for (i = 0; i < 8; i++) | |
249 | SR(OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, i)); | |
250 | ||
251 | for (i = 0; i < 8; i++) | |
252 | SR(OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, i)); | |
253 | ||
254 | for (i = 0; i < 8; i++) | |
255 | SR(OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, i)); | |
256 | } | |
257 | if (dss_has_feature(FEAT_ATTR2)) | |
258 | SR(OVL_ATTRIBUTES2(OMAP_DSS_VIDEO1)); | |
259 | ||
332e9d70 TV |
260 | if (dss_has_feature(FEAT_PRELOAD)) |
261 | SR(OVL_PRELOAD(OMAP_DSS_VIDEO1)); | |
80c39712 TV |
262 | |
263 | /* VID2 */ | |
9b372c2d AT |
264 | SR(OVL_BA0(OMAP_DSS_VIDEO2)); |
265 | SR(OVL_BA1(OMAP_DSS_VIDEO2)); | |
266 | SR(OVL_POSITION(OMAP_DSS_VIDEO2)); | |
267 | SR(OVL_SIZE(OMAP_DSS_VIDEO2)); | |
268 | SR(OVL_ATTRIBUTES(OMAP_DSS_VIDEO2)); | |
269 | SR(OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO2)); | |
270 | SR(OVL_ROW_INC(OMAP_DSS_VIDEO2)); | |
271 | SR(OVL_PIXEL_INC(OMAP_DSS_VIDEO2)); | |
272 | SR(OVL_FIR(OMAP_DSS_VIDEO2)); | |
273 | SR(OVL_PICTURE_SIZE(OMAP_DSS_VIDEO2)); | |
274 | SR(OVL_ACCU0(OMAP_DSS_VIDEO2)); | |
275 | SR(OVL_ACCU1(OMAP_DSS_VIDEO2)); | |
276 | ||
5719d35c AJ |
277 | for (i = 0; i < 8; i++) |
278 | SR(OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, i)); | |
279 | ||
280 | for (i = 0; i < 8; i++) | |
281 | SR(OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, i)); | |
282 | ||
283 | for (i = 0; i < 5; i++) | |
284 | SR(OVL_CONV_COEF(OMAP_DSS_VIDEO2, i)); | |
285 | ||
332e9d70 TV |
286 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
287 | for (i = 0; i < 8; i++) | |
288 | SR(OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, i)); | |
289 | } | |
9b372c2d | 290 | |
ab5ca071 AJ |
291 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
292 | SR(OVL_BA0_UV(OMAP_DSS_VIDEO2)); | |
293 | SR(OVL_BA1_UV(OMAP_DSS_VIDEO2)); | |
294 | SR(OVL_FIR2(OMAP_DSS_VIDEO2)); | |
295 | SR(OVL_ACCU2_0(OMAP_DSS_VIDEO2)); | |
296 | SR(OVL_ACCU2_1(OMAP_DSS_VIDEO2)); | |
297 | ||
298 | for (i = 0; i < 8; i++) | |
299 | SR(OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, i)); | |
300 | ||
301 | for (i = 0; i < 8; i++) | |
302 | SR(OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, i)); | |
303 | ||
304 | for (i = 0; i < 8; i++) | |
305 | SR(OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, i)); | |
306 | } | |
307 | if (dss_has_feature(FEAT_ATTR2)) | |
308 | SR(OVL_ATTRIBUTES2(OMAP_DSS_VIDEO2)); | |
309 | ||
332e9d70 TV |
310 | if (dss_has_feature(FEAT_PRELOAD)) |
311 | SR(OVL_PRELOAD(OMAP_DSS_VIDEO2)); | |
0cf35df3 MR |
312 | |
313 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) | |
314 | SR(DIVISOR); | |
80c39712 TV |
315 | } |
316 | ||
317 | void dispc_restore_context(void) | |
318 | { | |
5719d35c | 319 | int i; |
80c39712 | 320 | RR(SYSCONFIG); |
75c7d59d | 321 | /*RR(IRQENABLE);*/ |
80c39712 TV |
322 | /*RR(CONTROL);*/ |
323 | RR(CONFIG); | |
702d1448 AT |
324 | RR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD)); |
325 | RR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
326 | RR(TRANS_COLOR(OMAP_DSS_CHANNEL_LCD)); | |
327 | RR(TRANS_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
80c39712 | 328 | RR(LINE_NUMBER); |
702d1448 AT |
329 | RR(TIMING_H(OMAP_DSS_CHANNEL_LCD)); |
330 | RR(TIMING_V(OMAP_DSS_CHANNEL_LCD)); | |
331 | RR(POL_FREQ(OMAP_DSS_CHANNEL_LCD)); | |
332 | RR(DIVISORo(OMAP_DSS_CHANNEL_LCD)); | |
332e9d70 TV |
333 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
334 | RR(GLOBAL_ALPHA); | |
702d1448 AT |
335 | RR(SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT)); |
336 | RR(SIZE_MGR(OMAP_DSS_CHANNEL_LCD)); | |
2a205f34 | 337 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
702d1448 AT |
338 | RR(DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD2)); |
339 | RR(TRANS_COLOR(OMAP_DSS_CHANNEL_LCD2)); | |
340 | RR(SIZE_MGR(OMAP_DSS_CHANNEL_LCD2)); | |
341 | RR(TIMING_H(OMAP_DSS_CHANNEL_LCD2)); | |
342 | RR(TIMING_V(OMAP_DSS_CHANNEL_LCD2)); | |
343 | RR(POL_FREQ(OMAP_DSS_CHANNEL_LCD2)); | |
344 | RR(DIVISORo(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 SS |
345 | RR(CONFIG2); |
346 | } | |
80c39712 | 347 | |
9b372c2d AT |
348 | RR(OVL_BA0(OMAP_DSS_GFX)); |
349 | RR(OVL_BA1(OMAP_DSS_GFX)); | |
350 | RR(OVL_POSITION(OMAP_DSS_GFX)); | |
351 | RR(OVL_SIZE(OMAP_DSS_GFX)); | |
352 | RR(OVL_ATTRIBUTES(OMAP_DSS_GFX)); | |
353 | RR(OVL_FIFO_THRESHOLD(OMAP_DSS_GFX)); | |
354 | RR(OVL_ROW_INC(OMAP_DSS_GFX)); | |
355 | RR(OVL_PIXEL_INC(OMAP_DSS_GFX)); | |
356 | RR(OVL_WINDOW_SKIP(OMAP_DSS_GFX)); | |
357 | RR(OVL_TABLE_BA(OMAP_DSS_GFX)); | |
358 | ||
80c39712 | 359 | |
702d1448 AT |
360 | RR(DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD)); |
361 | RR(DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD)); | |
362 | RR(DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD)); | |
80c39712 | 363 | |
332e9d70 TV |
364 | if (dss_has_feature(FEAT_CPR)) { |
365 | RR(CPR_COEF_R(OMAP_DSS_CHANNEL_LCD)); | |
366 | RR(CPR_COEF_G(OMAP_DSS_CHANNEL_LCD)); | |
367 | RR(CPR_COEF_B(OMAP_DSS_CHANNEL_LCD)); | |
368 | } | |
2a205f34 | 369 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
702d1448 AT |
370 | RR(DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD2)); |
371 | RR(DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD2)); | |
372 | RR(DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 | 373 | |
332e9d70 TV |
374 | if (dss_has_feature(FEAT_CPR)) { |
375 | RR(CPR_COEF_B(OMAP_DSS_CHANNEL_LCD2)); | |
376 | RR(CPR_COEF_G(OMAP_DSS_CHANNEL_LCD2)); | |
377 | RR(CPR_COEF_R(OMAP_DSS_CHANNEL_LCD2)); | |
378 | } | |
2a205f34 | 379 | } |
80c39712 | 380 | |
332e9d70 TV |
381 | if (dss_has_feature(FEAT_PRELOAD)) |
382 | RR(OVL_PRELOAD(OMAP_DSS_GFX)); | |
80c39712 TV |
383 | |
384 | /* VID1 */ | |
9b372c2d AT |
385 | RR(OVL_BA0(OMAP_DSS_VIDEO1)); |
386 | RR(OVL_BA1(OMAP_DSS_VIDEO1)); | |
387 | RR(OVL_POSITION(OMAP_DSS_VIDEO1)); | |
388 | RR(OVL_SIZE(OMAP_DSS_VIDEO1)); | |
389 | RR(OVL_ATTRIBUTES(OMAP_DSS_VIDEO1)); | |
390 | RR(OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO1)); | |
391 | RR(OVL_ROW_INC(OMAP_DSS_VIDEO1)); | |
392 | RR(OVL_PIXEL_INC(OMAP_DSS_VIDEO1)); | |
393 | RR(OVL_FIR(OMAP_DSS_VIDEO1)); | |
394 | RR(OVL_PICTURE_SIZE(OMAP_DSS_VIDEO1)); | |
395 | RR(OVL_ACCU0(OMAP_DSS_VIDEO1)); | |
396 | RR(OVL_ACCU1(OMAP_DSS_VIDEO1)); | |
397 | ||
5719d35c AJ |
398 | for (i = 0; i < 8; i++) |
399 | RR(OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, i)); | |
400 | ||
401 | for (i = 0; i < 8; i++) | |
402 | RR(OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, i)); | |
403 | ||
404 | for (i = 0; i < 5; i++) | |
405 | RR(OVL_CONV_COEF(OMAP_DSS_VIDEO1, i)); | |
406 | ||
332e9d70 TV |
407 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
408 | for (i = 0; i < 8; i++) | |
409 | RR(OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, i)); | |
410 | } | |
9b372c2d | 411 | |
ab5ca071 AJ |
412 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
413 | RR(OVL_BA0_UV(OMAP_DSS_VIDEO1)); | |
414 | RR(OVL_BA1_UV(OMAP_DSS_VIDEO1)); | |
415 | RR(OVL_FIR2(OMAP_DSS_VIDEO1)); | |
416 | RR(OVL_ACCU2_0(OMAP_DSS_VIDEO1)); | |
417 | RR(OVL_ACCU2_1(OMAP_DSS_VIDEO1)); | |
418 | ||
419 | for (i = 0; i < 8; i++) | |
420 | RR(OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, i)); | |
421 | ||
422 | for (i = 0; i < 8; i++) | |
423 | RR(OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, i)); | |
424 | ||
425 | for (i = 0; i < 8; i++) | |
426 | RR(OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, i)); | |
427 | } | |
428 | if (dss_has_feature(FEAT_ATTR2)) | |
429 | RR(OVL_ATTRIBUTES2(OMAP_DSS_VIDEO1)); | |
430 | ||
332e9d70 TV |
431 | if (dss_has_feature(FEAT_PRELOAD)) |
432 | RR(OVL_PRELOAD(OMAP_DSS_VIDEO1)); | |
80c39712 TV |
433 | |
434 | /* VID2 */ | |
9b372c2d AT |
435 | RR(OVL_BA0(OMAP_DSS_VIDEO2)); |
436 | RR(OVL_BA1(OMAP_DSS_VIDEO2)); | |
437 | RR(OVL_POSITION(OMAP_DSS_VIDEO2)); | |
438 | RR(OVL_SIZE(OMAP_DSS_VIDEO2)); | |
439 | RR(OVL_ATTRIBUTES(OMAP_DSS_VIDEO2)); | |
440 | RR(OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO2)); | |
441 | RR(OVL_ROW_INC(OMAP_DSS_VIDEO2)); | |
442 | RR(OVL_PIXEL_INC(OMAP_DSS_VIDEO2)); | |
443 | RR(OVL_FIR(OMAP_DSS_VIDEO2)); | |
444 | RR(OVL_PICTURE_SIZE(OMAP_DSS_VIDEO2)); | |
445 | RR(OVL_ACCU0(OMAP_DSS_VIDEO2)); | |
446 | RR(OVL_ACCU1(OMAP_DSS_VIDEO2)); | |
447 | ||
5719d35c AJ |
448 | for (i = 0; i < 8; i++) |
449 | RR(OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, i)); | |
450 | ||
451 | for (i = 0; i < 8; i++) | |
452 | RR(OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, i)); | |
453 | ||
454 | for (i = 0; i < 5; i++) | |
455 | RR(OVL_CONV_COEF(OMAP_DSS_VIDEO2, i)); | |
456 | ||
332e9d70 TV |
457 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
458 | for (i = 0; i < 8; i++) | |
459 | RR(OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, i)); | |
460 | } | |
9b372c2d | 461 | |
ab5ca071 AJ |
462 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
463 | RR(OVL_BA0_UV(OMAP_DSS_VIDEO2)); | |
464 | RR(OVL_BA1_UV(OMAP_DSS_VIDEO2)); | |
465 | RR(OVL_FIR2(OMAP_DSS_VIDEO2)); | |
466 | RR(OVL_ACCU2_0(OMAP_DSS_VIDEO2)); | |
467 | RR(OVL_ACCU2_1(OMAP_DSS_VIDEO2)); | |
468 | ||
469 | for (i = 0; i < 8; i++) | |
470 | RR(OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, i)); | |
471 | ||
472 | for (i = 0; i < 8; i++) | |
473 | RR(OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, i)); | |
474 | ||
475 | for (i = 0; i < 8; i++) | |
476 | RR(OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, i)); | |
477 | } | |
478 | if (dss_has_feature(FEAT_ATTR2)) | |
479 | RR(OVL_ATTRIBUTES2(OMAP_DSS_VIDEO2)); | |
480 | ||
332e9d70 TV |
481 | if (dss_has_feature(FEAT_PRELOAD)) |
482 | RR(OVL_PRELOAD(OMAP_DSS_VIDEO2)); | |
80c39712 | 483 | |
0cf35df3 MR |
484 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) |
485 | RR(DIVISOR); | |
486 | ||
80c39712 TV |
487 | /* enable last, because LCD & DIGIT enable are here */ |
488 | RR(CONTROL); | |
2a205f34 SS |
489 | if (dss_has_feature(FEAT_MGR_LCD2)) |
490 | RR(CONTROL2); | |
75c7d59d VS |
491 | /* clear spurious SYNC_LOST_DIGIT interrupts */ |
492 | dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT); | |
493 | ||
494 | /* | |
495 | * enable last so IRQs won't trigger before | |
496 | * the context is fully restored | |
497 | */ | |
498 | RR(IRQENABLE); | |
80c39712 TV |
499 | } |
500 | ||
501 | #undef SR | |
502 | #undef RR | |
503 | ||
504 | static inline void enable_clocks(bool enable) | |
505 | { | |
506 | if (enable) | |
6af9cd14 | 507 | dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); |
80c39712 | 508 | else |
6af9cd14 | 509 | dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); |
80c39712 TV |
510 | } |
511 | ||
512 | bool dispc_go_busy(enum omap_channel channel) | |
513 | { | |
514 | int bit; | |
515 | ||
2a205f34 SS |
516 | if (channel == OMAP_DSS_CHANNEL_LCD || |
517 | channel == OMAP_DSS_CHANNEL_LCD2) | |
80c39712 TV |
518 | bit = 5; /* GOLCD */ |
519 | else | |
520 | bit = 6; /* GODIGIT */ | |
521 | ||
2a205f34 SS |
522 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
523 | return REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
524 | else | |
525 | return REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
80c39712 TV |
526 | } |
527 | ||
528 | void dispc_go(enum omap_channel channel) | |
529 | { | |
530 | int bit; | |
2a205f34 | 531 | bool enable_bit, go_bit; |
80c39712 TV |
532 | |
533 | enable_clocks(1); | |
534 | ||
2a205f34 SS |
535 | if (channel == OMAP_DSS_CHANNEL_LCD || |
536 | channel == OMAP_DSS_CHANNEL_LCD2) | |
80c39712 TV |
537 | bit = 0; /* LCDENABLE */ |
538 | else | |
539 | bit = 1; /* DIGITALENABLE */ | |
540 | ||
541 | /* if the channel is not enabled, we don't need GO */ | |
2a205f34 SS |
542 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
543 | enable_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
544 | else | |
545 | enable_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
546 | ||
547 | if (!enable_bit) | |
80c39712 TV |
548 | goto end; |
549 | ||
2a205f34 SS |
550 | if (channel == OMAP_DSS_CHANNEL_LCD || |
551 | channel == OMAP_DSS_CHANNEL_LCD2) | |
80c39712 TV |
552 | bit = 5; /* GOLCD */ |
553 | else | |
554 | bit = 6; /* GODIGIT */ | |
555 | ||
2a205f34 SS |
556 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
557 | go_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
558 | else | |
559 | go_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
560 | ||
561 | if (go_bit) { | |
80c39712 TV |
562 | DSSERR("GO bit not down for channel %d\n", channel); |
563 | goto end; | |
564 | } | |
565 | ||
2a205f34 SS |
566 | DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" : |
567 | (channel == OMAP_DSS_CHANNEL_LCD2 ? "LCD2" : "DIGIT")); | |
80c39712 | 568 | |
2a205f34 SS |
569 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
570 | REG_FLD_MOD(DISPC_CONTROL2, 1, bit, bit); | |
571 | else | |
572 | REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit); | |
80c39712 TV |
573 | end: |
574 | enable_clocks(0); | |
575 | } | |
576 | ||
577 | static void _dispc_write_firh_reg(enum omap_plane plane, int reg, u32 value) | |
578 | { | |
9b372c2d | 579 | dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value); |
80c39712 TV |
580 | } |
581 | ||
582 | static void _dispc_write_firhv_reg(enum omap_plane plane, int reg, u32 value) | |
583 | { | |
9b372c2d | 584 | dispc_write_reg(DISPC_OVL_FIR_COEF_HV(plane, reg), value); |
80c39712 TV |
585 | } |
586 | ||
587 | static void _dispc_write_firv_reg(enum omap_plane plane, int reg, u32 value) | |
588 | { | |
9b372c2d | 589 | dispc_write_reg(DISPC_OVL_FIR_COEF_V(plane, reg), value); |
80c39712 TV |
590 | } |
591 | ||
ab5ca071 AJ |
592 | static void _dispc_write_firh2_reg(enum omap_plane plane, int reg, u32 value) |
593 | { | |
594 | BUG_ON(plane == OMAP_DSS_GFX); | |
595 | ||
596 | dispc_write_reg(DISPC_OVL_FIR_COEF_H2(plane, reg), value); | |
597 | } | |
598 | ||
599 | static void _dispc_write_firhv2_reg(enum omap_plane plane, int reg, u32 value) | |
600 | { | |
601 | BUG_ON(plane == OMAP_DSS_GFX); | |
602 | ||
603 | dispc_write_reg(DISPC_OVL_FIR_COEF_HV2(plane, reg), value); | |
604 | } | |
605 | ||
606 | static void _dispc_write_firv2_reg(enum omap_plane plane, int reg, u32 value) | |
607 | { | |
608 | BUG_ON(plane == OMAP_DSS_GFX); | |
609 | ||
610 | dispc_write_reg(DISPC_OVL_FIR_COEF_V2(plane, reg), value); | |
611 | } | |
612 | ||
80c39712 | 613 | static void _dispc_set_scale_coef(enum omap_plane plane, int hscaleup, |
0d66cbb5 AJ |
614 | int vscaleup, int five_taps, |
615 | enum omap_color_component color_comp) | |
80c39712 TV |
616 | { |
617 | /* Coefficients for horizontal up-sampling */ | |
66be8f6c GI |
618 | static const struct dispc_h_coef coef_hup[8] = { |
619 | { 0, 0, 128, 0, 0 }, | |
620 | { -1, 13, 124, -8, 0 }, | |
621 | { -2, 30, 112, -11, -1 }, | |
622 | { -5, 51, 95, -11, -2 }, | |
623 | { 0, -9, 73, 73, -9 }, | |
624 | { -2, -11, 95, 51, -5 }, | |
625 | { -1, -11, 112, 30, -2 }, | |
626 | { 0, -8, 124, 13, -1 }, | |
80c39712 TV |
627 | }; |
628 | ||
66be8f6c GI |
629 | /* Coefficients for vertical up-sampling */ |
630 | static const struct dispc_v_coef coef_vup_3tap[8] = { | |
631 | { 0, 0, 128, 0, 0 }, | |
632 | { 0, 3, 123, 2, 0 }, | |
633 | { 0, 12, 111, 5, 0 }, | |
634 | { 0, 32, 89, 7, 0 }, | |
635 | { 0, 0, 64, 64, 0 }, | |
636 | { 0, 7, 89, 32, 0 }, | |
637 | { 0, 5, 111, 12, 0 }, | |
638 | { 0, 2, 123, 3, 0 }, | |
80c39712 TV |
639 | }; |
640 | ||
66be8f6c GI |
641 | static const struct dispc_v_coef coef_vup_5tap[8] = { |
642 | { 0, 0, 128, 0, 0 }, | |
643 | { -1, 13, 124, -8, 0 }, | |
644 | { -2, 30, 112, -11, -1 }, | |
645 | { -5, 51, 95, -11, -2 }, | |
646 | { 0, -9, 73, 73, -9 }, | |
647 | { -2, -11, 95, 51, -5 }, | |
648 | { -1, -11, 112, 30, -2 }, | |
649 | { 0, -8, 124, 13, -1 }, | |
80c39712 TV |
650 | }; |
651 | ||
66be8f6c GI |
652 | /* Coefficients for horizontal down-sampling */ |
653 | static const struct dispc_h_coef coef_hdown[8] = { | |
654 | { 0, 36, 56, 36, 0 }, | |
655 | { 4, 40, 55, 31, -2 }, | |
656 | { 8, 44, 54, 27, -5 }, | |
657 | { 12, 48, 53, 22, -7 }, | |
658 | { -9, 17, 52, 51, 17 }, | |
659 | { -7, 22, 53, 48, 12 }, | |
660 | { -5, 27, 54, 44, 8 }, | |
661 | { -2, 31, 55, 40, 4 }, | |
80c39712 TV |
662 | }; |
663 | ||
66be8f6c GI |
664 | /* Coefficients for vertical down-sampling */ |
665 | static const struct dispc_v_coef coef_vdown_3tap[8] = { | |
666 | { 0, 36, 56, 36, 0 }, | |
667 | { 0, 40, 57, 31, 0 }, | |
668 | { 0, 45, 56, 27, 0 }, | |
669 | { 0, 50, 55, 23, 0 }, | |
670 | { 0, 18, 55, 55, 0 }, | |
671 | { 0, 23, 55, 50, 0 }, | |
672 | { 0, 27, 56, 45, 0 }, | |
673 | { 0, 31, 57, 40, 0 }, | |
80c39712 TV |
674 | }; |
675 | ||
66be8f6c GI |
676 | static const struct dispc_v_coef coef_vdown_5tap[8] = { |
677 | { 0, 36, 56, 36, 0 }, | |
678 | { 4, 40, 55, 31, -2 }, | |
679 | { 8, 44, 54, 27, -5 }, | |
680 | { 12, 48, 53, 22, -7 }, | |
681 | { -9, 17, 52, 51, 17 }, | |
682 | { -7, 22, 53, 48, 12 }, | |
683 | { -5, 27, 54, 44, 8 }, | |
684 | { -2, 31, 55, 40, 4 }, | |
80c39712 TV |
685 | }; |
686 | ||
66be8f6c GI |
687 | const struct dispc_h_coef *h_coef; |
688 | const struct dispc_v_coef *v_coef; | |
80c39712 TV |
689 | int i; |
690 | ||
691 | if (hscaleup) | |
692 | h_coef = coef_hup; | |
693 | else | |
694 | h_coef = coef_hdown; | |
695 | ||
66be8f6c GI |
696 | if (vscaleup) |
697 | v_coef = five_taps ? coef_vup_5tap : coef_vup_3tap; | |
698 | else | |
699 | v_coef = five_taps ? coef_vdown_5tap : coef_vdown_3tap; | |
80c39712 TV |
700 | |
701 | for (i = 0; i < 8; i++) { | |
702 | u32 h, hv; | |
703 | ||
66be8f6c GI |
704 | h = FLD_VAL(h_coef[i].hc0, 7, 0) |
705 | | FLD_VAL(h_coef[i].hc1, 15, 8) | |
706 | | FLD_VAL(h_coef[i].hc2, 23, 16) | |
707 | | FLD_VAL(h_coef[i].hc3, 31, 24); | |
708 | hv = FLD_VAL(h_coef[i].hc4, 7, 0) | |
709 | | FLD_VAL(v_coef[i].vc0, 15, 8) | |
710 | | FLD_VAL(v_coef[i].vc1, 23, 16) | |
711 | | FLD_VAL(v_coef[i].vc2, 31, 24); | |
80c39712 | 712 | |
0d66cbb5 AJ |
713 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) { |
714 | _dispc_write_firh_reg(plane, i, h); | |
715 | _dispc_write_firhv_reg(plane, i, hv); | |
716 | } else { | |
717 | _dispc_write_firh2_reg(plane, i, h); | |
718 | _dispc_write_firhv2_reg(plane, i, hv); | |
719 | } | |
720 | ||
80c39712 TV |
721 | } |
722 | ||
66be8f6c GI |
723 | if (five_taps) { |
724 | for (i = 0; i < 8; i++) { | |
725 | u32 v; | |
726 | v = FLD_VAL(v_coef[i].vc00, 7, 0) | |
727 | | FLD_VAL(v_coef[i].vc22, 15, 8); | |
0d66cbb5 AJ |
728 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) |
729 | _dispc_write_firv_reg(plane, i, v); | |
730 | else | |
731 | _dispc_write_firv2_reg(plane, i, v); | |
66be8f6c | 732 | } |
80c39712 TV |
733 | } |
734 | } | |
735 | ||
736 | static void _dispc_setup_color_conv_coef(void) | |
737 | { | |
738 | const struct color_conv_coef { | |
739 | int ry, rcr, rcb, gy, gcr, gcb, by, bcr, bcb; | |
740 | int full_range; | |
741 | } ctbl_bt601_5 = { | |
742 | 298, 409, 0, 298, -208, -100, 298, 0, 517, 0, | |
743 | }; | |
744 | ||
745 | const struct color_conv_coef *ct; | |
746 | ||
747 | #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0)) | |
748 | ||
749 | ct = &ctbl_bt601_5; | |
750 | ||
9b372c2d AT |
751 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 0), |
752 | CVAL(ct->rcr, ct->ry)); | |
753 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 1), | |
754 | CVAL(ct->gy, ct->rcb)); | |
755 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 2), | |
756 | CVAL(ct->gcb, ct->gcr)); | |
757 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 3), | |
758 | CVAL(ct->bcr, ct->by)); | |
759 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 4), | |
760 | CVAL(0, ct->bcb)); | |
761 | ||
762 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 0), | |
763 | CVAL(ct->rcr, ct->ry)); | |
764 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 1), | |
765 | CVAL(ct->gy, ct->rcb)); | |
766 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 2), | |
767 | CVAL(ct->gcb, ct->gcr)); | |
768 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 3), | |
769 | CVAL(ct->bcr, ct->by)); | |
770 | dispc_write_reg(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 4), | |
771 | CVAL(0, ct->bcb)); | |
80c39712 TV |
772 | |
773 | #undef CVAL | |
774 | ||
9b372c2d AT |
775 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(OMAP_DSS_VIDEO1), |
776 | ct->full_range, 11, 11); | |
777 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(OMAP_DSS_VIDEO2), | |
778 | ct->full_range, 11, 11); | |
80c39712 TV |
779 | } |
780 | ||
781 | ||
782 | static void _dispc_set_plane_ba0(enum omap_plane plane, u32 paddr) | |
783 | { | |
9b372c2d | 784 | dispc_write_reg(DISPC_OVL_BA0(plane), paddr); |
80c39712 TV |
785 | } |
786 | ||
787 | static void _dispc_set_plane_ba1(enum omap_plane plane, u32 paddr) | |
788 | { | |
9b372c2d | 789 | dispc_write_reg(DISPC_OVL_BA1(plane), paddr); |
80c39712 TV |
790 | } |
791 | ||
ab5ca071 AJ |
792 | static void _dispc_set_plane_ba0_uv(enum omap_plane plane, u32 paddr) |
793 | { | |
794 | dispc_write_reg(DISPC_OVL_BA0_UV(plane), paddr); | |
795 | } | |
796 | ||
797 | static void _dispc_set_plane_ba1_uv(enum omap_plane plane, u32 paddr) | |
798 | { | |
799 | dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr); | |
800 | } | |
801 | ||
80c39712 TV |
802 | static void _dispc_set_plane_pos(enum omap_plane plane, int x, int y) |
803 | { | |
80c39712 | 804 | u32 val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0); |
9b372c2d AT |
805 | |
806 | dispc_write_reg(DISPC_OVL_POSITION(plane), val); | |
80c39712 TV |
807 | } |
808 | ||
809 | static void _dispc_set_pic_size(enum omap_plane plane, int width, int height) | |
810 | { | |
80c39712 | 811 | u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); |
9b372c2d AT |
812 | |
813 | if (plane == OMAP_DSS_GFX) | |
814 | dispc_write_reg(DISPC_OVL_SIZE(plane), val); | |
815 | else | |
816 | dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val); | |
80c39712 TV |
817 | } |
818 | ||
819 | static void _dispc_set_vid_size(enum omap_plane plane, int width, int height) | |
820 | { | |
821 | u32 val; | |
80c39712 TV |
822 | |
823 | BUG_ON(plane == OMAP_DSS_GFX); | |
824 | ||
825 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
9b372c2d AT |
826 | |
827 | dispc_write_reg(DISPC_OVL_SIZE(plane), val); | |
80c39712 TV |
828 | } |
829 | ||
fd28a390 R |
830 | static void _dispc_set_pre_mult_alpha(enum omap_plane plane, bool enable) |
831 | { | |
832 | if (!dss_has_feature(FEAT_PRE_MULT_ALPHA)) | |
833 | return; | |
834 | ||
835 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) && | |
836 | plane == OMAP_DSS_VIDEO1) | |
837 | return; | |
838 | ||
9b372c2d | 839 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28); |
fd28a390 R |
840 | } |
841 | ||
80c39712 TV |
842 | static void _dispc_setup_global_alpha(enum omap_plane plane, u8 global_alpha) |
843 | { | |
a0acb557 | 844 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) |
80c39712 TV |
845 | return; |
846 | ||
fd28a390 R |
847 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) && |
848 | plane == OMAP_DSS_VIDEO1) | |
849 | return; | |
a0acb557 | 850 | |
80c39712 TV |
851 | if (plane == OMAP_DSS_GFX) |
852 | REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, 7, 0); | |
853 | else if (plane == OMAP_DSS_VIDEO2) | |
854 | REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, 23, 16); | |
855 | } | |
856 | ||
857 | static void _dispc_set_pix_inc(enum omap_plane plane, s32 inc) | |
858 | { | |
9b372c2d | 859 | dispc_write_reg(DISPC_OVL_PIXEL_INC(plane), inc); |
80c39712 TV |
860 | } |
861 | ||
862 | static void _dispc_set_row_inc(enum omap_plane plane, s32 inc) | |
863 | { | |
9b372c2d | 864 | dispc_write_reg(DISPC_OVL_ROW_INC(plane), inc); |
80c39712 TV |
865 | } |
866 | ||
867 | static void _dispc_set_color_mode(enum omap_plane plane, | |
868 | enum omap_color_mode color_mode) | |
869 | { | |
870 | u32 m = 0; | |
f20e4220 AJ |
871 | if (plane != OMAP_DSS_GFX) { |
872 | switch (color_mode) { | |
873 | case OMAP_DSS_COLOR_NV12: | |
874 | m = 0x0; break; | |
875 | case OMAP_DSS_COLOR_RGB12U: | |
876 | m = 0x1; break; | |
877 | case OMAP_DSS_COLOR_RGBA16: | |
878 | m = 0x2; break; | |
879 | case OMAP_DSS_COLOR_RGBX16: | |
880 | m = 0x4; break; | |
881 | case OMAP_DSS_COLOR_ARGB16: | |
882 | m = 0x5; break; | |
883 | case OMAP_DSS_COLOR_RGB16: | |
884 | m = 0x6; break; | |
885 | case OMAP_DSS_COLOR_ARGB16_1555: | |
886 | m = 0x7; break; | |
887 | case OMAP_DSS_COLOR_RGB24U: | |
888 | m = 0x8; break; | |
889 | case OMAP_DSS_COLOR_RGB24P: | |
890 | m = 0x9; break; | |
891 | case OMAP_DSS_COLOR_YUV2: | |
892 | m = 0xa; break; | |
893 | case OMAP_DSS_COLOR_UYVY: | |
894 | m = 0xb; break; | |
895 | case OMAP_DSS_COLOR_ARGB32: | |
896 | m = 0xc; break; | |
897 | case OMAP_DSS_COLOR_RGBA32: | |
898 | m = 0xd; break; | |
899 | case OMAP_DSS_COLOR_RGBX32: | |
900 | m = 0xe; break; | |
901 | case OMAP_DSS_COLOR_XRGB16_1555: | |
902 | m = 0xf; break; | |
903 | default: | |
904 | BUG(); break; | |
905 | } | |
906 | } else { | |
907 | switch (color_mode) { | |
908 | case OMAP_DSS_COLOR_CLUT1: | |
909 | m = 0x0; break; | |
910 | case OMAP_DSS_COLOR_CLUT2: | |
911 | m = 0x1; break; | |
912 | case OMAP_DSS_COLOR_CLUT4: | |
913 | m = 0x2; break; | |
914 | case OMAP_DSS_COLOR_CLUT8: | |
915 | m = 0x3; break; | |
916 | case OMAP_DSS_COLOR_RGB12U: | |
917 | m = 0x4; break; | |
918 | case OMAP_DSS_COLOR_ARGB16: | |
919 | m = 0x5; break; | |
920 | case OMAP_DSS_COLOR_RGB16: | |
921 | m = 0x6; break; | |
922 | case OMAP_DSS_COLOR_ARGB16_1555: | |
923 | m = 0x7; break; | |
924 | case OMAP_DSS_COLOR_RGB24U: | |
925 | m = 0x8; break; | |
926 | case OMAP_DSS_COLOR_RGB24P: | |
927 | m = 0x9; break; | |
928 | case OMAP_DSS_COLOR_YUV2: | |
929 | m = 0xa; break; | |
930 | case OMAP_DSS_COLOR_UYVY: | |
931 | m = 0xb; break; | |
932 | case OMAP_DSS_COLOR_ARGB32: | |
933 | m = 0xc; break; | |
934 | case OMAP_DSS_COLOR_RGBA32: | |
935 | m = 0xd; break; | |
936 | case OMAP_DSS_COLOR_RGBX32: | |
937 | m = 0xe; break; | |
938 | case OMAP_DSS_COLOR_XRGB16_1555: | |
939 | m = 0xf; break; | |
940 | default: | |
941 | BUG(); break; | |
942 | } | |
80c39712 TV |
943 | } |
944 | ||
9b372c2d | 945 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1); |
80c39712 TV |
946 | } |
947 | ||
948 | static void _dispc_set_channel_out(enum omap_plane plane, | |
949 | enum omap_channel channel) | |
950 | { | |
951 | int shift; | |
952 | u32 val; | |
2a205f34 | 953 | int chan = 0, chan2 = 0; |
80c39712 TV |
954 | |
955 | switch (plane) { | |
956 | case OMAP_DSS_GFX: | |
957 | shift = 8; | |
958 | break; | |
959 | case OMAP_DSS_VIDEO1: | |
960 | case OMAP_DSS_VIDEO2: | |
961 | shift = 16; | |
962 | break; | |
963 | default: | |
964 | BUG(); | |
965 | return; | |
966 | } | |
967 | ||
9b372c2d | 968 | val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
2a205f34 SS |
969 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
970 | switch (channel) { | |
971 | case OMAP_DSS_CHANNEL_LCD: | |
972 | chan = 0; | |
973 | chan2 = 0; | |
974 | break; | |
975 | case OMAP_DSS_CHANNEL_DIGIT: | |
976 | chan = 1; | |
977 | chan2 = 0; | |
978 | break; | |
979 | case OMAP_DSS_CHANNEL_LCD2: | |
980 | chan = 0; | |
981 | chan2 = 1; | |
982 | break; | |
983 | default: | |
984 | BUG(); | |
985 | } | |
986 | ||
987 | val = FLD_MOD(val, chan, shift, shift); | |
988 | val = FLD_MOD(val, chan2, 31, 30); | |
989 | } else { | |
990 | val = FLD_MOD(val, channel, shift, shift); | |
991 | } | |
9b372c2d | 992 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
80c39712 TV |
993 | } |
994 | ||
995 | void dispc_set_burst_size(enum omap_plane plane, | |
996 | enum omap_burst_size burst_size) | |
997 | { | |
998 | int shift; | |
999 | u32 val; | |
1000 | ||
1001 | enable_clocks(1); | |
1002 | ||
1003 | switch (plane) { | |
1004 | case OMAP_DSS_GFX: | |
1005 | shift = 6; | |
1006 | break; | |
1007 | case OMAP_DSS_VIDEO1: | |
1008 | case OMAP_DSS_VIDEO2: | |
1009 | shift = 14; | |
1010 | break; | |
1011 | default: | |
1012 | BUG(); | |
1013 | return; | |
1014 | } | |
1015 | ||
9b372c2d | 1016 | val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
80c39712 | 1017 | val = FLD_MOD(val, burst_size, shift+1, shift); |
9b372c2d | 1018 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
80c39712 TV |
1019 | |
1020 | enable_clocks(0); | |
1021 | } | |
1022 | ||
d3862610 M |
1023 | void dispc_enable_gamma_table(bool enable) |
1024 | { | |
1025 | /* | |
1026 | * This is partially implemented to support only disabling of | |
1027 | * the gamma table. | |
1028 | */ | |
1029 | if (enable) { | |
1030 | DSSWARN("Gamma table enabling for TV not yet supported"); | |
1031 | return; | |
1032 | } | |
1033 | ||
1034 | REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9); | |
1035 | } | |
1036 | ||
3c07cae2 TV |
1037 | void dispc_enable_cpr(enum omap_channel channel, bool enable) |
1038 | { | |
1039 | u16 reg; | |
1040 | ||
1041 | if (channel == OMAP_DSS_CHANNEL_LCD) | |
1042 | reg = DISPC_CONFIG; | |
1043 | else if (channel == OMAP_DSS_CHANNEL_LCD2) | |
1044 | reg = DISPC_CONFIG2; | |
1045 | else | |
1046 | return; | |
1047 | ||
1048 | REG_FLD_MOD(reg, enable, 15, 15); | |
1049 | } | |
1050 | ||
1051 | void dispc_set_cpr_coef(enum omap_channel channel, | |
1052 | struct omap_dss_cpr_coefs *coefs) | |
1053 | { | |
1054 | u32 coef_r, coef_g, coef_b; | |
1055 | ||
1056 | if (channel != OMAP_DSS_CHANNEL_LCD && channel != OMAP_DSS_CHANNEL_LCD2) | |
1057 | return; | |
1058 | ||
1059 | coef_r = FLD_VAL(coefs->rr, 31, 22) | FLD_VAL(coefs->rg, 20, 11) | | |
1060 | FLD_VAL(coefs->rb, 9, 0); | |
1061 | coef_g = FLD_VAL(coefs->gr, 31, 22) | FLD_VAL(coefs->gg, 20, 11) | | |
1062 | FLD_VAL(coefs->gb, 9, 0); | |
1063 | coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) | | |
1064 | FLD_VAL(coefs->bb, 9, 0); | |
1065 | ||
1066 | dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r); | |
1067 | dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g); | |
1068 | dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b); | |
1069 | } | |
1070 | ||
80c39712 TV |
1071 | static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable) |
1072 | { | |
1073 | u32 val; | |
1074 | ||
1075 | BUG_ON(plane == OMAP_DSS_GFX); | |
1076 | ||
9b372c2d | 1077 | val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
80c39712 | 1078 | val = FLD_MOD(val, enable, 9, 9); |
9b372c2d | 1079 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
80c39712 TV |
1080 | } |
1081 | ||
1082 | void dispc_enable_replication(enum omap_plane plane, bool enable) | |
1083 | { | |
1084 | int bit; | |
1085 | ||
1086 | if (plane == OMAP_DSS_GFX) | |
1087 | bit = 5; | |
1088 | else | |
1089 | bit = 10; | |
1090 | ||
1091 | enable_clocks(1); | |
9b372c2d | 1092 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, bit, bit); |
80c39712 TV |
1093 | enable_clocks(0); |
1094 | } | |
1095 | ||
64ba4f74 | 1096 | void dispc_set_lcd_size(enum omap_channel channel, u16 width, u16 height) |
80c39712 TV |
1097 | { |
1098 | u32 val; | |
1099 | BUG_ON((width > (1 << 11)) || (height > (1 << 11))); | |
1100 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
1101 | enable_clocks(1); | |
702d1448 | 1102 | dispc_write_reg(DISPC_SIZE_MGR(channel), val); |
80c39712 TV |
1103 | enable_clocks(0); |
1104 | } | |
1105 | ||
1106 | void dispc_set_digit_size(u16 width, u16 height) | |
1107 | { | |
1108 | u32 val; | |
1109 | BUG_ON((width > (1 << 11)) || (height > (1 << 11))); | |
1110 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
1111 | enable_clocks(1); | |
702d1448 | 1112 | dispc_write_reg(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT), val); |
80c39712 TV |
1113 | enable_clocks(0); |
1114 | } | |
1115 | ||
1116 | static void dispc_read_plane_fifo_sizes(void) | |
1117 | { | |
80c39712 TV |
1118 | u32 size; |
1119 | int plane; | |
a0acb557 | 1120 | u8 start, end; |
80c39712 TV |
1121 | |
1122 | enable_clocks(1); | |
1123 | ||
a0acb557 | 1124 | dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end); |
80c39712 | 1125 | |
a0acb557 | 1126 | for (plane = 0; plane < ARRAY_SIZE(dispc.fifo_size); ++plane) { |
9b372c2d AT |
1127 | size = FLD_GET(dispc_read_reg(DISPC_OVL_FIFO_SIZE_STATUS(plane)), |
1128 | start, end); | |
80c39712 TV |
1129 | dispc.fifo_size[plane] = size; |
1130 | } | |
1131 | ||
1132 | enable_clocks(0); | |
1133 | } | |
1134 | ||
1135 | u32 dispc_get_plane_fifo_size(enum omap_plane plane) | |
1136 | { | |
1137 | return dispc.fifo_size[plane]; | |
1138 | } | |
1139 | ||
1140 | void dispc_setup_plane_fifo(enum omap_plane plane, u32 low, u32 high) | |
1141 | { | |
a0acb557 AT |
1142 | u8 hi_start, hi_end, lo_start, lo_end; |
1143 | ||
9b372c2d AT |
1144 | dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end); |
1145 | dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end); | |
1146 | ||
80c39712 TV |
1147 | enable_clocks(1); |
1148 | ||
1149 | DSSDBG("fifo(%d) low/high old %u/%u, new %u/%u\n", | |
1150 | plane, | |
9b372c2d AT |
1151 | REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), |
1152 | lo_start, lo_end), | |
1153 | REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), | |
1154 | hi_start, hi_end), | |
80c39712 TV |
1155 | low, high); |
1156 | ||
9b372c2d | 1157 | dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane), |
a0acb557 AT |
1158 | FLD_VAL(high, hi_start, hi_end) | |
1159 | FLD_VAL(low, lo_start, lo_end)); | |
80c39712 TV |
1160 | |
1161 | enable_clocks(0); | |
1162 | } | |
1163 | ||
1164 | void dispc_enable_fifomerge(bool enable) | |
1165 | { | |
1166 | enable_clocks(1); | |
1167 | ||
1168 | DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled"); | |
1169 | REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14); | |
1170 | ||
1171 | enable_clocks(0); | |
1172 | } | |
1173 | ||
0d66cbb5 AJ |
1174 | static void _dispc_set_fir(enum omap_plane plane, |
1175 | int hinc, int vinc, | |
1176 | enum omap_color_component color_comp) | |
80c39712 TV |
1177 | { |
1178 | u32 val; | |
80c39712 | 1179 | |
0d66cbb5 AJ |
1180 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) { |
1181 | u8 hinc_start, hinc_end, vinc_start, vinc_end; | |
a0acb557 | 1182 | |
0d66cbb5 AJ |
1183 | dss_feat_get_reg_field(FEAT_REG_FIRHINC, |
1184 | &hinc_start, &hinc_end); | |
1185 | dss_feat_get_reg_field(FEAT_REG_FIRVINC, | |
1186 | &vinc_start, &vinc_end); | |
1187 | val = FLD_VAL(vinc, vinc_start, vinc_end) | | |
1188 | FLD_VAL(hinc, hinc_start, hinc_end); | |
a0acb557 | 1189 | |
0d66cbb5 AJ |
1190 | dispc_write_reg(DISPC_OVL_FIR(plane), val); |
1191 | } else { | |
1192 | val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0); | |
1193 | dispc_write_reg(DISPC_OVL_FIR2(plane), val); | |
1194 | } | |
80c39712 TV |
1195 | } |
1196 | ||
1197 | static void _dispc_set_vid_accu0(enum omap_plane plane, int haccu, int vaccu) | |
1198 | { | |
1199 | u32 val; | |
87a7484b | 1200 | u8 hor_start, hor_end, vert_start, vert_end; |
80c39712 | 1201 | |
87a7484b AT |
1202 | dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); |
1203 | dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); | |
1204 | ||
1205 | val = FLD_VAL(vaccu, vert_start, vert_end) | | |
1206 | FLD_VAL(haccu, hor_start, hor_end); | |
1207 | ||
9b372c2d | 1208 | dispc_write_reg(DISPC_OVL_ACCU0(plane), val); |
80c39712 TV |
1209 | } |
1210 | ||
1211 | static void _dispc_set_vid_accu1(enum omap_plane plane, int haccu, int vaccu) | |
1212 | { | |
1213 | u32 val; | |
87a7484b | 1214 | u8 hor_start, hor_end, vert_start, vert_end; |
80c39712 | 1215 | |
87a7484b AT |
1216 | dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); |
1217 | dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); | |
1218 | ||
1219 | val = FLD_VAL(vaccu, vert_start, vert_end) | | |
1220 | FLD_VAL(haccu, hor_start, hor_end); | |
1221 | ||
9b372c2d | 1222 | dispc_write_reg(DISPC_OVL_ACCU1(plane), val); |
80c39712 TV |
1223 | } |
1224 | ||
ab5ca071 AJ |
1225 | static void _dispc_set_vid_accu2_0(enum omap_plane plane, int haccu, int vaccu) |
1226 | { | |
1227 | u32 val; | |
1228 | ||
1229 | val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0); | |
1230 | dispc_write_reg(DISPC_OVL_ACCU2_0(plane), val); | |
1231 | } | |
1232 | ||
1233 | static void _dispc_set_vid_accu2_1(enum omap_plane plane, int haccu, int vaccu) | |
1234 | { | |
1235 | u32 val; | |
1236 | ||
1237 | val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0); | |
1238 | dispc_write_reg(DISPC_OVL_ACCU2_1(plane), val); | |
1239 | } | |
80c39712 | 1240 | |
0d66cbb5 | 1241 | static void _dispc_set_scale_param(enum omap_plane plane, |
80c39712 TV |
1242 | u16 orig_width, u16 orig_height, |
1243 | u16 out_width, u16 out_height, | |
0d66cbb5 AJ |
1244 | bool five_taps, u8 rotation, |
1245 | enum omap_color_component color_comp) | |
80c39712 | 1246 | { |
0d66cbb5 | 1247 | int fir_hinc, fir_vinc; |
80c39712 | 1248 | int hscaleup, vscaleup; |
80c39712 TV |
1249 | |
1250 | hscaleup = orig_width <= out_width; | |
1251 | vscaleup = orig_height <= out_height; | |
1252 | ||
0d66cbb5 | 1253 | _dispc_set_scale_coef(plane, hscaleup, vscaleup, five_taps, color_comp); |
80c39712 | 1254 | |
ed14a3ce AJ |
1255 | fir_hinc = 1024 * orig_width / out_width; |
1256 | fir_vinc = 1024 * orig_height / out_height; | |
80c39712 | 1257 | |
0d66cbb5 AJ |
1258 | _dispc_set_fir(plane, fir_hinc, fir_vinc, color_comp); |
1259 | } | |
1260 | ||
1261 | static void _dispc_set_scaling_common(enum omap_plane plane, | |
1262 | u16 orig_width, u16 orig_height, | |
1263 | u16 out_width, u16 out_height, | |
1264 | bool ilace, bool five_taps, | |
1265 | bool fieldmode, enum omap_color_mode color_mode, | |
1266 | u8 rotation) | |
1267 | { | |
1268 | int accu0 = 0; | |
1269 | int accu1 = 0; | |
1270 | u32 l; | |
80c39712 | 1271 | |
0d66cbb5 AJ |
1272 | _dispc_set_scale_param(plane, orig_width, orig_height, |
1273 | out_width, out_height, five_taps, | |
1274 | rotation, DISPC_COLOR_COMPONENT_RGB_Y); | |
9b372c2d | 1275 | l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
80c39712 | 1276 | |
87a7484b AT |
1277 | /* RESIZEENABLE and VERTICALTAPS */ |
1278 | l &= ~((0x3 << 5) | (0x1 << 21)); | |
ed14a3ce AJ |
1279 | l |= (orig_width != out_width) ? (1 << 5) : 0; |
1280 | l |= (orig_height != out_height) ? (1 << 6) : 0; | |
87a7484b | 1281 | l |= five_taps ? (1 << 21) : 0; |
80c39712 | 1282 | |
87a7484b AT |
1283 | /* VRESIZECONF and HRESIZECONF */ |
1284 | if (dss_has_feature(FEAT_RESIZECONF)) { | |
1285 | l &= ~(0x3 << 7); | |
0d66cbb5 AJ |
1286 | l |= (orig_width <= out_width) ? 0 : (1 << 7); |
1287 | l |= (orig_height <= out_height) ? 0 : (1 << 8); | |
87a7484b | 1288 | } |
80c39712 | 1289 | |
87a7484b AT |
1290 | /* LINEBUFFERSPLIT */ |
1291 | if (dss_has_feature(FEAT_LINEBUFFERSPLIT)) { | |
1292 | l &= ~(0x1 << 22); | |
1293 | l |= five_taps ? (1 << 22) : 0; | |
1294 | } | |
80c39712 | 1295 | |
9b372c2d | 1296 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l); |
80c39712 TV |
1297 | |
1298 | /* | |
1299 | * field 0 = even field = bottom field | |
1300 | * field 1 = odd field = top field | |
1301 | */ | |
1302 | if (ilace && !fieldmode) { | |
1303 | accu1 = 0; | |
0d66cbb5 | 1304 | accu0 = ((1024 * orig_height / out_height) / 2) & 0x3ff; |
80c39712 TV |
1305 | if (accu0 >= 1024/2) { |
1306 | accu1 = 1024/2; | |
1307 | accu0 -= accu1; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | _dispc_set_vid_accu0(plane, 0, accu0); | |
1312 | _dispc_set_vid_accu1(plane, 0, accu1); | |
1313 | } | |
1314 | ||
0d66cbb5 AJ |
1315 | static void _dispc_set_scaling_uv(enum omap_plane plane, |
1316 | u16 orig_width, u16 orig_height, | |
1317 | u16 out_width, u16 out_height, | |
1318 | bool ilace, bool five_taps, | |
1319 | bool fieldmode, enum omap_color_mode color_mode, | |
1320 | u8 rotation) | |
1321 | { | |
1322 | int scale_x = out_width != orig_width; | |
1323 | int scale_y = out_height != orig_height; | |
1324 | ||
1325 | if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) | |
1326 | return; | |
1327 | if ((color_mode != OMAP_DSS_COLOR_YUV2 && | |
1328 | color_mode != OMAP_DSS_COLOR_UYVY && | |
1329 | color_mode != OMAP_DSS_COLOR_NV12)) { | |
1330 | /* reset chroma resampling for RGB formats */ | |
1331 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8); | |
1332 | return; | |
1333 | } | |
1334 | switch (color_mode) { | |
1335 | case OMAP_DSS_COLOR_NV12: | |
1336 | /* UV is subsampled by 2 vertically*/ | |
1337 | orig_height >>= 1; | |
1338 | /* UV is subsampled by 2 horz.*/ | |
1339 | orig_width >>= 1; | |
1340 | break; | |
1341 | case OMAP_DSS_COLOR_YUV2: | |
1342 | case OMAP_DSS_COLOR_UYVY: | |
1343 | /*For YUV422 with 90/270 rotation, | |
1344 | *we don't upsample chroma | |
1345 | */ | |
1346 | if (rotation == OMAP_DSS_ROT_0 || | |
1347 | rotation == OMAP_DSS_ROT_180) | |
1348 | /* UV is subsampled by 2 hrz*/ | |
1349 | orig_width >>= 1; | |
1350 | /* must use FIR for YUV422 if rotated */ | |
1351 | if (rotation != OMAP_DSS_ROT_0) | |
1352 | scale_x = scale_y = true; | |
1353 | break; | |
1354 | default: | |
1355 | BUG(); | |
1356 | } | |
1357 | ||
1358 | if (out_width != orig_width) | |
1359 | scale_x = true; | |
1360 | if (out_height != orig_height) | |
1361 | scale_y = true; | |
1362 | ||
1363 | _dispc_set_scale_param(plane, orig_width, orig_height, | |
1364 | out_width, out_height, five_taps, | |
1365 | rotation, DISPC_COLOR_COMPONENT_UV); | |
1366 | ||
1367 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), | |
1368 | (scale_x || scale_y) ? 1 : 0, 8, 8); | |
1369 | /* set H scaling */ | |
1370 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5); | |
1371 | /* set V scaling */ | |
1372 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6); | |
1373 | ||
1374 | _dispc_set_vid_accu2_0(plane, 0x80, 0); | |
1375 | _dispc_set_vid_accu2_1(plane, 0x80, 0); | |
1376 | } | |
1377 | ||
1378 | static void _dispc_set_scaling(enum omap_plane plane, | |
1379 | u16 orig_width, u16 orig_height, | |
1380 | u16 out_width, u16 out_height, | |
1381 | bool ilace, bool five_taps, | |
1382 | bool fieldmode, enum omap_color_mode color_mode, | |
1383 | u8 rotation) | |
1384 | { | |
1385 | BUG_ON(plane == OMAP_DSS_GFX); | |
1386 | ||
1387 | _dispc_set_scaling_common(plane, | |
1388 | orig_width, orig_height, | |
1389 | out_width, out_height, | |
1390 | ilace, five_taps, | |
1391 | fieldmode, color_mode, | |
1392 | rotation); | |
1393 | ||
1394 | _dispc_set_scaling_uv(plane, | |
1395 | orig_width, orig_height, | |
1396 | out_width, out_height, | |
1397 | ilace, five_taps, | |
1398 | fieldmode, color_mode, | |
1399 | rotation); | |
1400 | } | |
1401 | ||
80c39712 TV |
1402 | static void _dispc_set_rotation_attrs(enum omap_plane plane, u8 rotation, |
1403 | bool mirroring, enum omap_color_mode color_mode) | |
1404 | { | |
87a7484b AT |
1405 | bool row_repeat = false; |
1406 | int vidrot = 0; | |
1407 | ||
80c39712 TV |
1408 | if (color_mode == OMAP_DSS_COLOR_YUV2 || |
1409 | color_mode == OMAP_DSS_COLOR_UYVY) { | |
80c39712 TV |
1410 | |
1411 | if (mirroring) { | |
1412 | switch (rotation) { | |
1413 | case OMAP_DSS_ROT_0: | |
1414 | vidrot = 2; | |
1415 | break; | |
1416 | case OMAP_DSS_ROT_90: | |
1417 | vidrot = 1; | |
1418 | break; | |
1419 | case OMAP_DSS_ROT_180: | |
1420 | vidrot = 0; | |
1421 | break; | |
1422 | case OMAP_DSS_ROT_270: | |
1423 | vidrot = 3; | |
1424 | break; | |
1425 | } | |
1426 | } else { | |
1427 | switch (rotation) { | |
1428 | case OMAP_DSS_ROT_0: | |
1429 | vidrot = 0; | |
1430 | break; | |
1431 | case OMAP_DSS_ROT_90: | |
1432 | vidrot = 1; | |
1433 | break; | |
1434 | case OMAP_DSS_ROT_180: | |
1435 | vidrot = 2; | |
1436 | break; | |
1437 | case OMAP_DSS_ROT_270: | |
1438 | vidrot = 3; | |
1439 | break; | |
1440 | } | |
1441 | } | |
1442 | ||
80c39712 | 1443 | if (rotation == OMAP_DSS_ROT_90 || rotation == OMAP_DSS_ROT_270) |
87a7484b | 1444 | row_repeat = true; |
80c39712 | 1445 | else |
87a7484b | 1446 | row_repeat = false; |
80c39712 | 1447 | } |
87a7484b | 1448 | |
9b372c2d | 1449 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12); |
87a7484b | 1450 | if (dss_has_feature(FEAT_ROWREPEATENABLE)) |
9b372c2d AT |
1451 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), |
1452 | row_repeat ? 1 : 0, 18, 18); | |
80c39712 TV |
1453 | } |
1454 | ||
1455 | static int color_mode_to_bpp(enum omap_color_mode color_mode) | |
1456 | { | |
1457 | switch (color_mode) { | |
1458 | case OMAP_DSS_COLOR_CLUT1: | |
1459 | return 1; | |
1460 | case OMAP_DSS_COLOR_CLUT2: | |
1461 | return 2; | |
1462 | case OMAP_DSS_COLOR_CLUT4: | |
1463 | return 4; | |
1464 | case OMAP_DSS_COLOR_CLUT8: | |
f20e4220 | 1465 | case OMAP_DSS_COLOR_NV12: |
80c39712 TV |
1466 | return 8; |
1467 | case OMAP_DSS_COLOR_RGB12U: | |
1468 | case OMAP_DSS_COLOR_RGB16: | |
1469 | case OMAP_DSS_COLOR_ARGB16: | |
1470 | case OMAP_DSS_COLOR_YUV2: | |
1471 | case OMAP_DSS_COLOR_UYVY: | |
f20e4220 AJ |
1472 | case OMAP_DSS_COLOR_RGBA16: |
1473 | case OMAP_DSS_COLOR_RGBX16: | |
1474 | case OMAP_DSS_COLOR_ARGB16_1555: | |
1475 | case OMAP_DSS_COLOR_XRGB16_1555: | |
80c39712 TV |
1476 | return 16; |
1477 | case OMAP_DSS_COLOR_RGB24P: | |
1478 | return 24; | |
1479 | case OMAP_DSS_COLOR_RGB24U: | |
1480 | case OMAP_DSS_COLOR_ARGB32: | |
1481 | case OMAP_DSS_COLOR_RGBA32: | |
1482 | case OMAP_DSS_COLOR_RGBX32: | |
1483 | return 32; | |
1484 | default: | |
1485 | BUG(); | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | static s32 pixinc(int pixels, u8 ps) | |
1490 | { | |
1491 | if (pixels == 1) | |
1492 | return 1; | |
1493 | else if (pixels > 1) | |
1494 | return 1 + (pixels - 1) * ps; | |
1495 | else if (pixels < 0) | |
1496 | return 1 - (-pixels + 1) * ps; | |
1497 | else | |
1498 | BUG(); | |
1499 | } | |
1500 | ||
1501 | static void calc_vrfb_rotation_offset(u8 rotation, bool mirror, | |
1502 | u16 screen_width, | |
1503 | u16 width, u16 height, | |
1504 | enum omap_color_mode color_mode, bool fieldmode, | |
1505 | unsigned int field_offset, | |
1506 | unsigned *offset0, unsigned *offset1, | |
1507 | s32 *row_inc, s32 *pix_inc) | |
1508 | { | |
1509 | u8 ps; | |
1510 | ||
1511 | /* FIXME CLUT formats */ | |
1512 | switch (color_mode) { | |
1513 | case OMAP_DSS_COLOR_CLUT1: | |
1514 | case OMAP_DSS_COLOR_CLUT2: | |
1515 | case OMAP_DSS_COLOR_CLUT4: | |
1516 | case OMAP_DSS_COLOR_CLUT8: | |
1517 | BUG(); | |
1518 | return; | |
1519 | case OMAP_DSS_COLOR_YUV2: | |
1520 | case OMAP_DSS_COLOR_UYVY: | |
1521 | ps = 4; | |
1522 | break; | |
1523 | default: | |
1524 | ps = color_mode_to_bpp(color_mode) / 8; | |
1525 | break; | |
1526 | } | |
1527 | ||
1528 | DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width, | |
1529 | width, height); | |
1530 | ||
1531 | /* | |
1532 | * field 0 = even field = bottom field | |
1533 | * field 1 = odd field = top field | |
1534 | */ | |
1535 | switch (rotation + mirror * 4) { | |
1536 | case OMAP_DSS_ROT_0: | |
1537 | case OMAP_DSS_ROT_180: | |
1538 | /* | |
1539 | * If the pixel format is YUV or UYVY divide the width | |
1540 | * of the image by 2 for 0 and 180 degree rotation. | |
1541 | */ | |
1542 | if (color_mode == OMAP_DSS_COLOR_YUV2 || | |
1543 | color_mode == OMAP_DSS_COLOR_UYVY) | |
1544 | width = width >> 1; | |
1545 | case OMAP_DSS_ROT_90: | |
1546 | case OMAP_DSS_ROT_270: | |
1547 | *offset1 = 0; | |
1548 | if (field_offset) | |
1549 | *offset0 = field_offset * screen_width * ps; | |
1550 | else | |
1551 | *offset0 = 0; | |
1552 | ||
1553 | *row_inc = pixinc(1 + (screen_width - width) + | |
1554 | (fieldmode ? screen_width : 0), | |
1555 | ps); | |
1556 | *pix_inc = pixinc(1, ps); | |
1557 | break; | |
1558 | ||
1559 | case OMAP_DSS_ROT_0 + 4: | |
1560 | case OMAP_DSS_ROT_180 + 4: | |
1561 | /* If the pixel format is YUV or UYVY divide the width | |
1562 | * of the image by 2 for 0 degree and 180 degree | |
1563 | */ | |
1564 | if (color_mode == OMAP_DSS_COLOR_YUV2 || | |
1565 | color_mode == OMAP_DSS_COLOR_UYVY) | |
1566 | width = width >> 1; | |
1567 | case OMAP_DSS_ROT_90 + 4: | |
1568 | case OMAP_DSS_ROT_270 + 4: | |
1569 | *offset1 = 0; | |
1570 | if (field_offset) | |
1571 | *offset0 = field_offset * screen_width * ps; | |
1572 | else | |
1573 | *offset0 = 0; | |
1574 | *row_inc = pixinc(1 - (screen_width + width) - | |
1575 | (fieldmode ? screen_width : 0), | |
1576 | ps); | |
1577 | *pix_inc = pixinc(1, ps); | |
1578 | break; | |
1579 | ||
1580 | default: | |
1581 | BUG(); | |
1582 | } | |
1583 | } | |
1584 | ||
1585 | static void calc_dma_rotation_offset(u8 rotation, bool mirror, | |
1586 | u16 screen_width, | |
1587 | u16 width, u16 height, | |
1588 | enum omap_color_mode color_mode, bool fieldmode, | |
1589 | unsigned int field_offset, | |
1590 | unsigned *offset0, unsigned *offset1, | |
1591 | s32 *row_inc, s32 *pix_inc) | |
1592 | { | |
1593 | u8 ps; | |
1594 | u16 fbw, fbh; | |
1595 | ||
1596 | /* FIXME CLUT formats */ | |
1597 | switch (color_mode) { | |
1598 | case OMAP_DSS_COLOR_CLUT1: | |
1599 | case OMAP_DSS_COLOR_CLUT2: | |
1600 | case OMAP_DSS_COLOR_CLUT4: | |
1601 | case OMAP_DSS_COLOR_CLUT8: | |
1602 | BUG(); | |
1603 | return; | |
1604 | default: | |
1605 | ps = color_mode_to_bpp(color_mode) / 8; | |
1606 | break; | |
1607 | } | |
1608 | ||
1609 | DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width, | |
1610 | width, height); | |
1611 | ||
1612 | /* width & height are overlay sizes, convert to fb sizes */ | |
1613 | ||
1614 | if (rotation == OMAP_DSS_ROT_0 || rotation == OMAP_DSS_ROT_180) { | |
1615 | fbw = width; | |
1616 | fbh = height; | |
1617 | } else { | |
1618 | fbw = height; | |
1619 | fbh = width; | |
1620 | } | |
1621 | ||
1622 | /* | |
1623 | * field 0 = even field = bottom field | |
1624 | * field 1 = odd field = top field | |
1625 | */ | |
1626 | switch (rotation + mirror * 4) { | |
1627 | case OMAP_DSS_ROT_0: | |
1628 | *offset1 = 0; | |
1629 | if (field_offset) | |
1630 | *offset0 = *offset1 + field_offset * screen_width * ps; | |
1631 | else | |
1632 | *offset0 = *offset1; | |
1633 | *row_inc = pixinc(1 + (screen_width - fbw) + | |
1634 | (fieldmode ? screen_width : 0), | |
1635 | ps); | |
1636 | *pix_inc = pixinc(1, ps); | |
1637 | break; | |
1638 | case OMAP_DSS_ROT_90: | |
1639 | *offset1 = screen_width * (fbh - 1) * ps; | |
1640 | if (field_offset) | |
1641 | *offset0 = *offset1 + field_offset * ps; | |
1642 | else | |
1643 | *offset0 = *offset1; | |
1644 | *row_inc = pixinc(screen_width * (fbh - 1) + 1 + | |
1645 | (fieldmode ? 1 : 0), ps); | |
1646 | *pix_inc = pixinc(-screen_width, ps); | |
1647 | break; | |
1648 | case OMAP_DSS_ROT_180: | |
1649 | *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; | |
1650 | if (field_offset) | |
1651 | *offset0 = *offset1 - field_offset * screen_width * ps; | |
1652 | else | |
1653 | *offset0 = *offset1; | |
1654 | *row_inc = pixinc(-1 - | |
1655 | (screen_width - fbw) - | |
1656 | (fieldmode ? screen_width : 0), | |
1657 | ps); | |
1658 | *pix_inc = pixinc(-1, ps); | |
1659 | break; | |
1660 | case OMAP_DSS_ROT_270: | |
1661 | *offset1 = (fbw - 1) * ps; | |
1662 | if (field_offset) | |
1663 | *offset0 = *offset1 - field_offset * ps; | |
1664 | else | |
1665 | *offset0 = *offset1; | |
1666 | *row_inc = pixinc(-screen_width * (fbh - 1) - 1 - | |
1667 | (fieldmode ? 1 : 0), ps); | |
1668 | *pix_inc = pixinc(screen_width, ps); | |
1669 | break; | |
1670 | ||
1671 | /* mirroring */ | |
1672 | case OMAP_DSS_ROT_0 + 4: | |
1673 | *offset1 = (fbw - 1) * ps; | |
1674 | if (field_offset) | |
1675 | *offset0 = *offset1 + field_offset * screen_width * ps; | |
1676 | else | |
1677 | *offset0 = *offset1; | |
1678 | *row_inc = pixinc(screen_width * 2 - 1 + | |
1679 | (fieldmode ? screen_width : 0), | |
1680 | ps); | |
1681 | *pix_inc = pixinc(-1, ps); | |
1682 | break; | |
1683 | ||
1684 | case OMAP_DSS_ROT_90 + 4: | |
1685 | *offset1 = 0; | |
1686 | if (field_offset) | |
1687 | *offset0 = *offset1 + field_offset * ps; | |
1688 | else | |
1689 | *offset0 = *offset1; | |
1690 | *row_inc = pixinc(-screen_width * (fbh - 1) + 1 + | |
1691 | (fieldmode ? 1 : 0), | |
1692 | ps); | |
1693 | *pix_inc = pixinc(screen_width, ps); | |
1694 | break; | |
1695 | ||
1696 | case OMAP_DSS_ROT_180 + 4: | |
1697 | *offset1 = screen_width * (fbh - 1) * ps; | |
1698 | if (field_offset) | |
1699 | *offset0 = *offset1 - field_offset * screen_width * ps; | |
1700 | else | |
1701 | *offset0 = *offset1; | |
1702 | *row_inc = pixinc(1 - screen_width * 2 - | |
1703 | (fieldmode ? screen_width : 0), | |
1704 | ps); | |
1705 | *pix_inc = pixinc(1, ps); | |
1706 | break; | |
1707 | ||
1708 | case OMAP_DSS_ROT_270 + 4: | |
1709 | *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; | |
1710 | if (field_offset) | |
1711 | *offset0 = *offset1 - field_offset * ps; | |
1712 | else | |
1713 | *offset0 = *offset1; | |
1714 | *row_inc = pixinc(screen_width * (fbh - 1) - 1 - | |
1715 | (fieldmode ? 1 : 0), | |
1716 | ps); | |
1717 | *pix_inc = pixinc(-screen_width, ps); | |
1718 | break; | |
1719 | ||
1720 | default: | |
1721 | BUG(); | |
1722 | } | |
1723 | } | |
1724 | ||
ff1b2cde SS |
1725 | static unsigned long calc_fclk_five_taps(enum omap_channel channel, u16 width, |
1726 | u16 height, u16 out_width, u16 out_height, | |
1727 | enum omap_color_mode color_mode) | |
80c39712 TV |
1728 | { |
1729 | u32 fclk = 0; | |
1730 | /* FIXME venc pclk? */ | |
ff1b2cde | 1731 | u64 tmp, pclk = dispc_pclk_rate(channel); |
80c39712 TV |
1732 | |
1733 | if (height > out_height) { | |
1734 | /* FIXME get real display PPL */ | |
1735 | unsigned int ppl = 800; | |
1736 | ||
1737 | tmp = pclk * height * out_width; | |
1738 | do_div(tmp, 2 * out_height * ppl); | |
1739 | fclk = tmp; | |
1740 | ||
2d9c5597 VS |
1741 | if (height > 2 * out_height) { |
1742 | if (ppl == out_width) | |
1743 | return 0; | |
1744 | ||
80c39712 TV |
1745 | tmp = pclk * (height - 2 * out_height) * out_width; |
1746 | do_div(tmp, 2 * out_height * (ppl - out_width)); | |
1747 | fclk = max(fclk, (u32) tmp); | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | if (width > out_width) { | |
1752 | tmp = pclk * width; | |
1753 | do_div(tmp, out_width); | |
1754 | fclk = max(fclk, (u32) tmp); | |
1755 | ||
1756 | if (color_mode == OMAP_DSS_COLOR_RGB24U) | |
1757 | fclk <<= 1; | |
1758 | } | |
1759 | ||
1760 | return fclk; | |
1761 | } | |
1762 | ||
ff1b2cde SS |
1763 | static unsigned long calc_fclk(enum omap_channel channel, u16 width, |
1764 | u16 height, u16 out_width, u16 out_height) | |
80c39712 TV |
1765 | { |
1766 | unsigned int hf, vf; | |
1767 | ||
1768 | /* | |
1769 | * FIXME how to determine the 'A' factor | |
1770 | * for the no downscaling case ? | |
1771 | */ | |
1772 | ||
1773 | if (width > 3 * out_width) | |
1774 | hf = 4; | |
1775 | else if (width > 2 * out_width) | |
1776 | hf = 3; | |
1777 | else if (width > out_width) | |
1778 | hf = 2; | |
1779 | else | |
1780 | hf = 1; | |
1781 | ||
1782 | if (height > out_height) | |
1783 | vf = 2; | |
1784 | else | |
1785 | vf = 1; | |
1786 | ||
1787 | /* FIXME venc pclk? */ | |
ff1b2cde | 1788 | return dispc_pclk_rate(channel) * vf * hf; |
80c39712 TV |
1789 | } |
1790 | ||
1791 | void dispc_set_channel_out(enum omap_plane plane, enum omap_channel channel_out) | |
1792 | { | |
1793 | enable_clocks(1); | |
1794 | _dispc_set_channel_out(plane, channel_out); | |
1795 | enable_clocks(0); | |
1796 | } | |
1797 | ||
1798 | static int _dispc_setup_plane(enum omap_plane plane, | |
1799 | u32 paddr, u16 screen_width, | |
1800 | u16 pos_x, u16 pos_y, | |
1801 | u16 width, u16 height, | |
1802 | u16 out_width, u16 out_height, | |
1803 | enum omap_color_mode color_mode, | |
1804 | bool ilace, | |
1805 | enum omap_dss_rotation_type rotation_type, | |
1806 | u8 rotation, int mirror, | |
18faa1b6 | 1807 | u8 global_alpha, u8 pre_mult_alpha, |
0d66cbb5 | 1808 | enum omap_channel channel, u32 puv_addr) |
80c39712 TV |
1809 | { |
1810 | const int maxdownscale = cpu_is_omap34xx() ? 4 : 2; | |
1811 | bool five_taps = 0; | |
1812 | bool fieldmode = 0; | |
1813 | int cconv = 0; | |
1814 | unsigned offset0, offset1; | |
1815 | s32 row_inc; | |
1816 | s32 pix_inc; | |
1817 | u16 frame_height = height; | |
1818 | unsigned int field_offset = 0; | |
1819 | ||
1820 | if (paddr == 0) | |
1821 | return -EINVAL; | |
1822 | ||
1823 | if (ilace && height == out_height) | |
1824 | fieldmode = 1; | |
1825 | ||
1826 | if (ilace) { | |
1827 | if (fieldmode) | |
1828 | height /= 2; | |
1829 | pos_y /= 2; | |
1830 | out_height /= 2; | |
1831 | ||
1832 | DSSDBG("adjusting for ilace: height %d, pos_y %d, " | |
1833 | "out_height %d\n", | |
1834 | height, pos_y, out_height); | |
1835 | } | |
1836 | ||
8dad2ab6 AT |
1837 | if (!dss_feat_color_mode_supported(plane, color_mode)) |
1838 | return -EINVAL; | |
1839 | ||
80c39712 TV |
1840 | if (plane == OMAP_DSS_GFX) { |
1841 | if (width != out_width || height != out_height) | |
1842 | return -EINVAL; | |
80c39712 TV |
1843 | } else { |
1844 | /* video plane */ | |
1845 | ||
1846 | unsigned long fclk = 0; | |
1847 | ||
1848 | if (out_width < width / maxdownscale || | |
1849 | out_width > width * 8) | |
1850 | return -EINVAL; | |
1851 | ||
1852 | if (out_height < height / maxdownscale || | |
1853 | out_height > height * 8) | |
1854 | return -EINVAL; | |
1855 | ||
8dad2ab6 | 1856 | if (color_mode == OMAP_DSS_COLOR_YUV2 || |
0d66cbb5 AJ |
1857 | color_mode == OMAP_DSS_COLOR_UYVY || |
1858 | color_mode == OMAP_DSS_COLOR_NV12) | |
80c39712 | 1859 | cconv = 1; |
80c39712 TV |
1860 | |
1861 | /* Must use 5-tap filter? */ | |
1862 | five_taps = height > out_height * 2; | |
1863 | ||
1864 | if (!five_taps) { | |
18faa1b6 SS |
1865 | fclk = calc_fclk(channel, width, height, out_width, |
1866 | out_height); | |
80c39712 TV |
1867 | |
1868 | /* Try 5-tap filter if 3-tap fclk is too high */ | |
1869 | if (cpu_is_omap34xx() && height > out_height && | |
1870 | fclk > dispc_fclk_rate()) | |
1871 | five_taps = true; | |
1872 | } | |
1873 | ||
1874 | if (width > (2048 >> five_taps)) { | |
1875 | DSSERR("failed to set up scaling, fclk too low\n"); | |
1876 | return -EINVAL; | |
1877 | } | |
1878 | ||
1879 | if (five_taps) | |
18faa1b6 SS |
1880 | fclk = calc_fclk_five_taps(channel, width, height, |
1881 | out_width, out_height, color_mode); | |
80c39712 TV |
1882 | |
1883 | DSSDBG("required fclk rate = %lu Hz\n", fclk); | |
1884 | DSSDBG("current fclk rate = %lu Hz\n", dispc_fclk_rate()); | |
1885 | ||
2d9c5597 | 1886 | if (!fclk || fclk > dispc_fclk_rate()) { |
80c39712 TV |
1887 | DSSERR("failed to set up scaling, " |
1888 | "required fclk rate = %lu Hz, " | |
1889 | "current fclk rate = %lu Hz\n", | |
1890 | fclk, dispc_fclk_rate()); | |
1891 | return -EINVAL; | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | if (ilace && !fieldmode) { | |
1896 | /* | |
1897 | * when downscaling the bottom field may have to start several | |
1898 | * source lines below the top field. Unfortunately ACCUI | |
1899 | * registers will only hold the fractional part of the offset | |
1900 | * so the integer part must be added to the base address of the | |
1901 | * bottom field. | |
1902 | */ | |
1903 | if (!height || height == out_height) | |
1904 | field_offset = 0; | |
1905 | else | |
1906 | field_offset = height / out_height / 2; | |
1907 | } | |
1908 | ||
1909 | /* Fields are independent but interleaved in memory. */ | |
1910 | if (fieldmode) | |
1911 | field_offset = 1; | |
1912 | ||
1913 | if (rotation_type == OMAP_DSS_ROT_DMA) | |
1914 | calc_dma_rotation_offset(rotation, mirror, | |
1915 | screen_width, width, frame_height, color_mode, | |
1916 | fieldmode, field_offset, | |
1917 | &offset0, &offset1, &row_inc, &pix_inc); | |
1918 | else | |
1919 | calc_vrfb_rotation_offset(rotation, mirror, | |
1920 | screen_width, width, frame_height, color_mode, | |
1921 | fieldmode, field_offset, | |
1922 | &offset0, &offset1, &row_inc, &pix_inc); | |
1923 | ||
1924 | DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n", | |
1925 | offset0, offset1, row_inc, pix_inc); | |
1926 | ||
1927 | _dispc_set_color_mode(plane, color_mode); | |
1928 | ||
1929 | _dispc_set_plane_ba0(plane, paddr + offset0); | |
1930 | _dispc_set_plane_ba1(plane, paddr + offset1); | |
1931 | ||
0d66cbb5 AJ |
1932 | if (OMAP_DSS_COLOR_NV12 == color_mode) { |
1933 | _dispc_set_plane_ba0_uv(plane, puv_addr + offset0); | |
1934 | _dispc_set_plane_ba1_uv(plane, puv_addr + offset1); | |
1935 | } | |
1936 | ||
1937 | ||
80c39712 TV |
1938 | _dispc_set_row_inc(plane, row_inc); |
1939 | _dispc_set_pix_inc(plane, pix_inc); | |
1940 | ||
1941 | DSSDBG("%d,%d %dx%d -> %dx%d\n", pos_x, pos_y, width, height, | |
1942 | out_width, out_height); | |
1943 | ||
1944 | _dispc_set_plane_pos(plane, pos_x, pos_y); | |
1945 | ||
1946 | _dispc_set_pic_size(plane, width, height); | |
1947 | ||
1948 | if (plane != OMAP_DSS_GFX) { | |
1949 | _dispc_set_scaling(plane, width, height, | |
1950 | out_width, out_height, | |
0d66cbb5 AJ |
1951 | ilace, five_taps, fieldmode, |
1952 | color_mode, rotation); | |
80c39712 TV |
1953 | _dispc_set_vid_size(plane, out_width, out_height); |
1954 | _dispc_set_vid_color_conv(plane, cconv); | |
1955 | } | |
1956 | ||
1957 | _dispc_set_rotation_attrs(plane, rotation, mirror, color_mode); | |
1958 | ||
fd28a390 R |
1959 | _dispc_set_pre_mult_alpha(plane, pre_mult_alpha); |
1960 | _dispc_setup_global_alpha(plane, global_alpha); | |
80c39712 TV |
1961 | |
1962 | return 0; | |
1963 | } | |
1964 | ||
1965 | static void _dispc_enable_plane(enum omap_plane plane, bool enable) | |
1966 | { | |
9b372c2d | 1967 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0); |
80c39712 TV |
1968 | } |
1969 | ||
1970 | static void dispc_disable_isr(void *data, u32 mask) | |
1971 | { | |
1972 | struct completion *compl = data; | |
1973 | complete(compl); | |
1974 | } | |
1975 | ||
2a205f34 | 1976 | static void _enable_lcd_out(enum omap_channel channel, bool enable) |
80c39712 | 1977 | { |
2a205f34 SS |
1978 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
1979 | REG_FLD_MOD(DISPC_CONTROL2, enable ? 1 : 0, 0, 0); | |
1980 | else | |
1981 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0); | |
80c39712 TV |
1982 | } |
1983 | ||
2a205f34 | 1984 | static void dispc_enable_lcd_out(enum omap_channel channel, bool enable) |
80c39712 TV |
1985 | { |
1986 | struct completion frame_done_completion; | |
1987 | bool is_on; | |
1988 | int r; | |
2a205f34 | 1989 | u32 irq; |
80c39712 TV |
1990 | |
1991 | enable_clocks(1); | |
1992 | ||
1993 | /* When we disable LCD output, we need to wait until frame is done. | |
1994 | * Otherwise the DSS is still working, and turning off the clocks | |
1995 | * prevents DSS from going to OFF mode */ | |
2a205f34 SS |
1996 | is_on = channel == OMAP_DSS_CHANNEL_LCD2 ? |
1997 | REG_GET(DISPC_CONTROL2, 0, 0) : | |
1998 | REG_GET(DISPC_CONTROL, 0, 0); | |
1999 | ||
2000 | irq = channel == OMAP_DSS_CHANNEL_LCD2 ? DISPC_IRQ_FRAMEDONE2 : | |
2001 | DISPC_IRQ_FRAMEDONE; | |
80c39712 TV |
2002 | |
2003 | if (!enable && is_on) { | |
2004 | init_completion(&frame_done_completion); | |
2005 | ||
2006 | r = omap_dispc_register_isr(dispc_disable_isr, | |
2a205f34 | 2007 | &frame_done_completion, irq); |
80c39712 TV |
2008 | |
2009 | if (r) | |
2010 | DSSERR("failed to register FRAMEDONE isr\n"); | |
2011 | } | |
2012 | ||
2a205f34 | 2013 | _enable_lcd_out(channel, enable); |
80c39712 TV |
2014 | |
2015 | if (!enable && is_on) { | |
2016 | if (!wait_for_completion_timeout(&frame_done_completion, | |
2017 | msecs_to_jiffies(100))) | |
2018 | DSSERR("timeout waiting for FRAME DONE\n"); | |
2019 | ||
2020 | r = omap_dispc_unregister_isr(dispc_disable_isr, | |
2a205f34 | 2021 | &frame_done_completion, irq); |
80c39712 TV |
2022 | |
2023 | if (r) | |
2024 | DSSERR("failed to unregister FRAMEDONE isr\n"); | |
2025 | } | |
2026 | ||
2027 | enable_clocks(0); | |
2028 | } | |
2029 | ||
2030 | static void _enable_digit_out(bool enable) | |
2031 | { | |
2032 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1); | |
2033 | } | |
2034 | ||
a2faee84 | 2035 | static void dispc_enable_digit_out(bool enable) |
80c39712 TV |
2036 | { |
2037 | struct completion frame_done_completion; | |
2038 | int r; | |
2039 | ||
2040 | enable_clocks(1); | |
2041 | ||
2042 | if (REG_GET(DISPC_CONTROL, 1, 1) == enable) { | |
2043 | enable_clocks(0); | |
2044 | return; | |
2045 | } | |
2046 | ||
2047 | if (enable) { | |
2048 | unsigned long flags; | |
2049 | /* When we enable digit output, we'll get an extra digit | |
2050 | * sync lost interrupt, that we need to ignore */ | |
2051 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
2052 | dispc.irq_error_mask &= ~DISPC_IRQ_SYNC_LOST_DIGIT; | |
2053 | _omap_dispc_set_irqs(); | |
2054 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2055 | } | |
2056 | ||
2057 | /* When we disable digit output, we need to wait until fields are done. | |
2058 | * Otherwise the DSS is still working, and turning off the clocks | |
2059 | * prevents DSS from going to OFF mode. And when enabling, we need to | |
2060 | * wait for the extra sync losts */ | |
2061 | init_completion(&frame_done_completion); | |
2062 | ||
2063 | r = omap_dispc_register_isr(dispc_disable_isr, &frame_done_completion, | |
2064 | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD); | |
2065 | if (r) | |
2066 | DSSERR("failed to register EVSYNC isr\n"); | |
2067 | ||
2068 | _enable_digit_out(enable); | |
2069 | ||
2070 | /* XXX I understand from TRM that we should only wait for the | |
2071 | * current field to complete. But it seems we have to wait | |
2072 | * for both fields */ | |
2073 | if (!wait_for_completion_timeout(&frame_done_completion, | |
2074 | msecs_to_jiffies(100))) | |
2075 | DSSERR("timeout waiting for EVSYNC\n"); | |
2076 | ||
2077 | if (!wait_for_completion_timeout(&frame_done_completion, | |
2078 | msecs_to_jiffies(100))) | |
2079 | DSSERR("timeout waiting for EVSYNC\n"); | |
2080 | ||
2081 | r = omap_dispc_unregister_isr(dispc_disable_isr, | |
2082 | &frame_done_completion, | |
2083 | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD); | |
2084 | if (r) | |
2085 | DSSERR("failed to unregister EVSYNC isr\n"); | |
2086 | ||
2087 | if (enable) { | |
2088 | unsigned long flags; | |
2089 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
2090 | dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR; | |
2a205f34 SS |
2091 | if (dss_has_feature(FEAT_MGR_LCD2)) |
2092 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; | |
80c39712 TV |
2093 | dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT); |
2094 | _omap_dispc_set_irqs(); | |
2095 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2096 | } | |
2097 | ||
2098 | enable_clocks(0); | |
2099 | } | |
2100 | ||
a2faee84 TV |
2101 | bool dispc_is_channel_enabled(enum omap_channel channel) |
2102 | { | |
2103 | if (channel == OMAP_DSS_CHANNEL_LCD) | |
2104 | return !!REG_GET(DISPC_CONTROL, 0, 0); | |
2105 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | |
2106 | return !!REG_GET(DISPC_CONTROL, 1, 1); | |
2a205f34 SS |
2107 | else if (channel == OMAP_DSS_CHANNEL_LCD2) |
2108 | return !!REG_GET(DISPC_CONTROL2, 0, 0); | |
a2faee84 TV |
2109 | else |
2110 | BUG(); | |
2111 | } | |
2112 | ||
2113 | void dispc_enable_channel(enum omap_channel channel, bool enable) | |
2114 | { | |
2a205f34 SS |
2115 | if (channel == OMAP_DSS_CHANNEL_LCD || |
2116 | channel == OMAP_DSS_CHANNEL_LCD2) | |
2117 | dispc_enable_lcd_out(channel, enable); | |
a2faee84 TV |
2118 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) |
2119 | dispc_enable_digit_out(enable); | |
2120 | else | |
2121 | BUG(); | |
2122 | } | |
2123 | ||
80c39712 TV |
2124 | void dispc_lcd_enable_signal_polarity(bool act_high) |
2125 | { | |
6ced40bf AT |
2126 | if (!dss_has_feature(FEAT_LCDENABLEPOL)) |
2127 | return; | |
2128 | ||
80c39712 TV |
2129 | enable_clocks(1); |
2130 | REG_FLD_MOD(DISPC_CONTROL, act_high ? 1 : 0, 29, 29); | |
2131 | enable_clocks(0); | |
2132 | } | |
2133 | ||
2134 | void dispc_lcd_enable_signal(bool enable) | |
2135 | { | |
6ced40bf AT |
2136 | if (!dss_has_feature(FEAT_LCDENABLESIGNAL)) |
2137 | return; | |
2138 | ||
80c39712 TV |
2139 | enable_clocks(1); |
2140 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 28, 28); | |
2141 | enable_clocks(0); | |
2142 | } | |
2143 | ||
2144 | void dispc_pck_free_enable(bool enable) | |
2145 | { | |
6ced40bf AT |
2146 | if (!dss_has_feature(FEAT_PCKFREEENABLE)) |
2147 | return; | |
2148 | ||
80c39712 TV |
2149 | enable_clocks(1); |
2150 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27); | |
2151 | enable_clocks(0); | |
2152 | } | |
2153 | ||
64ba4f74 | 2154 | void dispc_enable_fifohandcheck(enum omap_channel channel, bool enable) |
80c39712 TV |
2155 | { |
2156 | enable_clocks(1); | |
2a205f34 SS |
2157 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2158 | REG_FLD_MOD(DISPC_CONFIG2, enable ? 1 : 0, 16, 16); | |
2159 | else | |
2160 | REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 16, 16); | |
80c39712 TV |
2161 | enable_clocks(0); |
2162 | } | |
2163 | ||
2164 | ||
64ba4f74 SS |
2165 | void dispc_set_lcd_display_type(enum omap_channel channel, |
2166 | enum omap_lcd_display_type type) | |
80c39712 TV |
2167 | { |
2168 | int mode; | |
2169 | ||
2170 | switch (type) { | |
2171 | case OMAP_DSS_LCD_DISPLAY_STN: | |
2172 | mode = 0; | |
2173 | break; | |
2174 | ||
2175 | case OMAP_DSS_LCD_DISPLAY_TFT: | |
2176 | mode = 1; | |
2177 | break; | |
2178 | ||
2179 | default: | |
2180 | BUG(); | |
2181 | return; | |
2182 | } | |
2183 | ||
2184 | enable_clocks(1); | |
2a205f34 SS |
2185 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2186 | REG_FLD_MOD(DISPC_CONTROL2, mode, 3, 3); | |
2187 | else | |
2188 | REG_FLD_MOD(DISPC_CONTROL, mode, 3, 3); | |
80c39712 TV |
2189 | enable_clocks(0); |
2190 | } | |
2191 | ||
2192 | void dispc_set_loadmode(enum omap_dss_load_mode mode) | |
2193 | { | |
2194 | enable_clocks(1); | |
2195 | REG_FLD_MOD(DISPC_CONFIG, mode, 2, 1); | |
2196 | enable_clocks(0); | |
2197 | } | |
2198 | ||
2199 | ||
2200 | void dispc_set_default_color(enum omap_channel channel, u32 color) | |
2201 | { | |
80c39712 | 2202 | enable_clocks(1); |
8613b000 | 2203 | dispc_write_reg(DISPC_DEFAULT_COLOR(channel), color); |
80c39712 TV |
2204 | enable_clocks(0); |
2205 | } | |
2206 | ||
2207 | u32 dispc_get_default_color(enum omap_channel channel) | |
2208 | { | |
80c39712 TV |
2209 | u32 l; |
2210 | ||
2211 | BUG_ON(channel != OMAP_DSS_CHANNEL_DIGIT && | |
2a205f34 SS |
2212 | channel != OMAP_DSS_CHANNEL_LCD && |
2213 | channel != OMAP_DSS_CHANNEL_LCD2); | |
80c39712 TV |
2214 | |
2215 | enable_clocks(1); | |
8613b000 | 2216 | l = dispc_read_reg(DISPC_DEFAULT_COLOR(channel)); |
80c39712 TV |
2217 | enable_clocks(0); |
2218 | ||
2219 | return l; | |
2220 | } | |
2221 | ||
2222 | void dispc_set_trans_key(enum omap_channel ch, | |
2223 | enum omap_dss_trans_key_type type, | |
2224 | u32 trans_key) | |
2225 | { | |
80c39712 TV |
2226 | enable_clocks(1); |
2227 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2228 | REG_FLD_MOD(DISPC_CONFIG, type, 11, 11); | |
2a205f34 | 2229 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2230 | REG_FLD_MOD(DISPC_CONFIG, type, 13, 13); |
2a205f34 SS |
2231 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2232 | REG_FLD_MOD(DISPC_CONFIG2, type, 11, 11); | |
80c39712 | 2233 | |
8613b000 | 2234 | dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key); |
80c39712 TV |
2235 | enable_clocks(0); |
2236 | } | |
2237 | ||
2238 | void dispc_get_trans_key(enum omap_channel ch, | |
2239 | enum omap_dss_trans_key_type *type, | |
2240 | u32 *trans_key) | |
2241 | { | |
80c39712 TV |
2242 | enable_clocks(1); |
2243 | if (type) { | |
2244 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2245 | *type = REG_GET(DISPC_CONFIG, 11, 11); | |
2246 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
2247 | *type = REG_GET(DISPC_CONFIG, 13, 13); | |
2a205f34 SS |
2248 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2249 | *type = REG_GET(DISPC_CONFIG2, 11, 11); | |
80c39712 TV |
2250 | else |
2251 | BUG(); | |
2252 | } | |
2253 | ||
2254 | if (trans_key) | |
8613b000 | 2255 | *trans_key = dispc_read_reg(DISPC_TRANS_COLOR(ch)); |
80c39712 TV |
2256 | enable_clocks(0); |
2257 | } | |
2258 | ||
2259 | void dispc_enable_trans_key(enum omap_channel ch, bool enable) | |
2260 | { | |
2261 | enable_clocks(1); | |
2262 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2263 | REG_FLD_MOD(DISPC_CONFIG, enable, 10, 10); | |
2a205f34 | 2264 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2265 | REG_FLD_MOD(DISPC_CONFIG, enable, 12, 12); |
2a205f34 SS |
2266 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2267 | REG_FLD_MOD(DISPC_CONFIG2, enable, 10, 10); | |
80c39712 TV |
2268 | enable_clocks(0); |
2269 | } | |
2270 | void dispc_enable_alpha_blending(enum omap_channel ch, bool enable) | |
2271 | { | |
a0acb557 | 2272 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) |
80c39712 TV |
2273 | return; |
2274 | ||
2275 | enable_clocks(1); | |
2276 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2277 | REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18); | |
2a205f34 | 2278 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2279 | REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19); |
2a205f34 SS |
2280 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2281 | REG_FLD_MOD(DISPC_CONFIG2, enable, 18, 18); | |
80c39712 TV |
2282 | enable_clocks(0); |
2283 | } | |
2284 | bool dispc_alpha_blending_enabled(enum omap_channel ch) | |
2285 | { | |
2286 | bool enabled; | |
2287 | ||
a0acb557 | 2288 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) |
80c39712 TV |
2289 | return false; |
2290 | ||
2291 | enable_clocks(1); | |
2292 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2293 | enabled = REG_GET(DISPC_CONFIG, 18, 18); | |
2294 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
712247a6 | 2295 | enabled = REG_GET(DISPC_CONFIG, 19, 19); |
2a205f34 SS |
2296 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2297 | enabled = REG_GET(DISPC_CONFIG2, 18, 18); | |
80c39712 TV |
2298 | else |
2299 | BUG(); | |
2300 | enable_clocks(0); | |
2301 | ||
2302 | return enabled; | |
80c39712 TV |
2303 | } |
2304 | ||
2305 | ||
2306 | bool dispc_trans_key_enabled(enum omap_channel ch) | |
2307 | { | |
2308 | bool enabled; | |
2309 | ||
2310 | enable_clocks(1); | |
2311 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2312 | enabled = REG_GET(DISPC_CONFIG, 10, 10); | |
2313 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
2314 | enabled = REG_GET(DISPC_CONFIG, 12, 12); | |
2a205f34 SS |
2315 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2316 | enabled = REG_GET(DISPC_CONFIG2, 10, 10); | |
80c39712 TV |
2317 | else |
2318 | BUG(); | |
2319 | enable_clocks(0); | |
2320 | ||
2321 | return enabled; | |
2322 | } | |
2323 | ||
2324 | ||
64ba4f74 | 2325 | void dispc_set_tft_data_lines(enum omap_channel channel, u8 data_lines) |
80c39712 TV |
2326 | { |
2327 | int code; | |
2328 | ||
2329 | switch (data_lines) { | |
2330 | case 12: | |
2331 | code = 0; | |
2332 | break; | |
2333 | case 16: | |
2334 | code = 1; | |
2335 | break; | |
2336 | case 18: | |
2337 | code = 2; | |
2338 | break; | |
2339 | case 24: | |
2340 | code = 3; | |
2341 | break; | |
2342 | default: | |
2343 | BUG(); | |
2344 | return; | |
2345 | } | |
2346 | ||
2347 | enable_clocks(1); | |
2a205f34 SS |
2348 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2349 | REG_FLD_MOD(DISPC_CONTROL2, code, 9, 8); | |
2350 | else | |
2351 | REG_FLD_MOD(DISPC_CONTROL, code, 9, 8); | |
80c39712 TV |
2352 | enable_clocks(0); |
2353 | } | |
2354 | ||
64ba4f74 SS |
2355 | void dispc_set_parallel_interface_mode(enum omap_channel channel, |
2356 | enum omap_parallel_interface_mode mode) | |
80c39712 TV |
2357 | { |
2358 | u32 l; | |
2359 | int stallmode; | |
2360 | int gpout0 = 1; | |
2361 | int gpout1; | |
2362 | ||
2363 | switch (mode) { | |
2364 | case OMAP_DSS_PARALLELMODE_BYPASS: | |
2365 | stallmode = 0; | |
2366 | gpout1 = 1; | |
2367 | break; | |
2368 | ||
2369 | case OMAP_DSS_PARALLELMODE_RFBI: | |
2370 | stallmode = 1; | |
2371 | gpout1 = 0; | |
2372 | break; | |
2373 | ||
2374 | case OMAP_DSS_PARALLELMODE_DSI: | |
2375 | stallmode = 1; | |
2376 | gpout1 = 1; | |
2377 | break; | |
2378 | ||
2379 | default: | |
2380 | BUG(); | |
2381 | return; | |
2382 | } | |
2383 | ||
2384 | enable_clocks(1); | |
2385 | ||
2a205f34 SS |
2386 | if (channel == OMAP_DSS_CHANNEL_LCD2) { |
2387 | l = dispc_read_reg(DISPC_CONTROL2); | |
2388 | l = FLD_MOD(l, stallmode, 11, 11); | |
2389 | dispc_write_reg(DISPC_CONTROL2, l); | |
2390 | } else { | |
2391 | l = dispc_read_reg(DISPC_CONTROL); | |
2392 | l = FLD_MOD(l, stallmode, 11, 11); | |
64ba4f74 SS |
2393 | l = FLD_MOD(l, gpout0, 15, 15); |
2394 | l = FLD_MOD(l, gpout1, 16, 16); | |
2a205f34 | 2395 | dispc_write_reg(DISPC_CONTROL, l); |
64ba4f74 | 2396 | } |
80c39712 TV |
2397 | |
2398 | enable_clocks(0); | |
2399 | } | |
2400 | ||
2401 | static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp, | |
2402 | int vsw, int vfp, int vbp) | |
2403 | { | |
2404 | if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) { | |
2405 | if (hsw < 1 || hsw > 64 || | |
2406 | hfp < 1 || hfp > 256 || | |
2407 | hbp < 1 || hbp > 256 || | |
2408 | vsw < 1 || vsw > 64 || | |
2409 | vfp < 0 || vfp > 255 || | |
2410 | vbp < 0 || vbp > 255) | |
2411 | return false; | |
2412 | } else { | |
2413 | if (hsw < 1 || hsw > 256 || | |
2414 | hfp < 1 || hfp > 4096 || | |
2415 | hbp < 1 || hbp > 4096 || | |
2416 | vsw < 1 || vsw > 256 || | |
2417 | vfp < 0 || vfp > 4095 || | |
2418 | vbp < 0 || vbp > 4095) | |
2419 | return false; | |
2420 | } | |
2421 | ||
2422 | return true; | |
2423 | } | |
2424 | ||
2425 | bool dispc_lcd_timings_ok(struct omap_video_timings *timings) | |
2426 | { | |
2427 | return _dispc_lcd_timings_ok(timings->hsw, timings->hfp, | |
2428 | timings->hbp, timings->vsw, | |
2429 | timings->vfp, timings->vbp); | |
2430 | } | |
2431 | ||
64ba4f74 SS |
2432 | static void _dispc_set_lcd_timings(enum omap_channel channel, int hsw, |
2433 | int hfp, int hbp, int vsw, int vfp, int vbp) | |
80c39712 TV |
2434 | { |
2435 | u32 timing_h, timing_v; | |
2436 | ||
2437 | if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) { | |
2438 | timing_h = FLD_VAL(hsw-1, 5, 0) | FLD_VAL(hfp-1, 15, 8) | | |
2439 | FLD_VAL(hbp-1, 27, 20); | |
2440 | ||
2441 | timing_v = FLD_VAL(vsw-1, 5, 0) | FLD_VAL(vfp, 15, 8) | | |
2442 | FLD_VAL(vbp, 27, 20); | |
2443 | } else { | |
2444 | timing_h = FLD_VAL(hsw-1, 7, 0) | FLD_VAL(hfp-1, 19, 8) | | |
2445 | FLD_VAL(hbp-1, 31, 20); | |
2446 | ||
2447 | timing_v = FLD_VAL(vsw-1, 7, 0) | FLD_VAL(vfp, 19, 8) | | |
2448 | FLD_VAL(vbp, 31, 20); | |
2449 | } | |
2450 | ||
2451 | enable_clocks(1); | |
64ba4f74 SS |
2452 | dispc_write_reg(DISPC_TIMING_H(channel), timing_h); |
2453 | dispc_write_reg(DISPC_TIMING_V(channel), timing_v); | |
80c39712 TV |
2454 | enable_clocks(0); |
2455 | } | |
2456 | ||
2457 | /* change name to mode? */ | |
64ba4f74 SS |
2458 | void dispc_set_lcd_timings(enum omap_channel channel, |
2459 | struct omap_video_timings *timings) | |
80c39712 TV |
2460 | { |
2461 | unsigned xtot, ytot; | |
2462 | unsigned long ht, vt; | |
2463 | ||
2464 | if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp, | |
2465 | timings->hbp, timings->vsw, | |
2466 | timings->vfp, timings->vbp)) | |
2467 | BUG(); | |
2468 | ||
64ba4f74 SS |
2469 | _dispc_set_lcd_timings(channel, timings->hsw, timings->hfp, |
2470 | timings->hbp, timings->vsw, timings->vfp, | |
2471 | timings->vbp); | |
80c39712 | 2472 | |
64ba4f74 | 2473 | dispc_set_lcd_size(channel, timings->x_res, timings->y_res); |
80c39712 TV |
2474 | |
2475 | xtot = timings->x_res + timings->hfp + timings->hsw + timings->hbp; | |
2476 | ytot = timings->y_res + timings->vfp + timings->vsw + timings->vbp; | |
2477 | ||
2478 | ht = (timings->pixel_clock * 1000) / xtot; | |
2479 | vt = (timings->pixel_clock * 1000) / xtot / ytot; | |
2480 | ||
2a205f34 SS |
2481 | DSSDBG("channel %d xres %u yres %u\n", channel, timings->x_res, |
2482 | timings->y_res); | |
80c39712 TV |
2483 | DSSDBG("pck %u\n", timings->pixel_clock); |
2484 | DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n", | |
2485 | timings->hsw, timings->hfp, timings->hbp, | |
2486 | timings->vsw, timings->vfp, timings->vbp); | |
2487 | ||
2488 | DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt); | |
2489 | } | |
2490 | ||
ff1b2cde SS |
2491 | static void dispc_set_lcd_divisor(enum omap_channel channel, u16 lck_div, |
2492 | u16 pck_div) | |
80c39712 TV |
2493 | { |
2494 | BUG_ON(lck_div < 1); | |
2495 | BUG_ON(pck_div < 2); | |
2496 | ||
2497 | enable_clocks(1); | |
ce7fa5eb | 2498 | dispc_write_reg(DISPC_DIVISORo(channel), |
80c39712 TV |
2499 | FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0)); |
2500 | enable_clocks(0); | |
2501 | } | |
2502 | ||
2a205f34 SS |
2503 | static void dispc_get_lcd_divisor(enum omap_channel channel, int *lck_div, |
2504 | int *pck_div) | |
80c39712 TV |
2505 | { |
2506 | u32 l; | |
ce7fa5eb | 2507 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 TV |
2508 | *lck_div = FLD_GET(l, 23, 16); |
2509 | *pck_div = FLD_GET(l, 7, 0); | |
2510 | } | |
2511 | ||
2512 | unsigned long dispc_fclk_rate(void) | |
2513 | { | |
a72b64b9 | 2514 | struct platform_device *dsidev; |
80c39712 TV |
2515 | unsigned long r = 0; |
2516 | ||
66534e8e | 2517 | switch (dss_get_dispc_clk_source()) { |
89a35e51 | 2518 | case OMAP_DSS_CLK_SRC_FCK: |
6af9cd14 | 2519 | r = dss_clk_get_rate(DSS_CLK_FCK); |
66534e8e | 2520 | break; |
89a35e51 | 2521 | case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: |
a72b64b9 AT |
2522 | dsidev = dsi_get_dsidev_from_id(0); |
2523 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
66534e8e | 2524 | break; |
5a8b572d AT |
2525 | case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: |
2526 | dsidev = dsi_get_dsidev_from_id(1); | |
2527 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
2528 | break; | |
66534e8e TA |
2529 | default: |
2530 | BUG(); | |
2531 | } | |
2532 | ||
80c39712 TV |
2533 | return r; |
2534 | } | |
2535 | ||
ff1b2cde | 2536 | unsigned long dispc_lclk_rate(enum omap_channel channel) |
80c39712 | 2537 | { |
a72b64b9 | 2538 | struct platform_device *dsidev; |
80c39712 TV |
2539 | int lcd; |
2540 | unsigned long r; | |
2541 | u32 l; | |
2542 | ||
ce7fa5eb | 2543 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 TV |
2544 | |
2545 | lcd = FLD_GET(l, 23, 16); | |
2546 | ||
ea75159e | 2547 | switch (dss_get_lcd_clk_source(channel)) { |
89a35e51 | 2548 | case OMAP_DSS_CLK_SRC_FCK: |
ea75159e TA |
2549 | r = dss_clk_get_rate(DSS_CLK_FCK); |
2550 | break; | |
89a35e51 | 2551 | case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: |
a72b64b9 AT |
2552 | dsidev = dsi_get_dsidev_from_id(0); |
2553 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
ea75159e | 2554 | break; |
5a8b572d AT |
2555 | case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: |
2556 | dsidev = dsi_get_dsidev_from_id(1); | |
2557 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
2558 | break; | |
ea75159e TA |
2559 | default: |
2560 | BUG(); | |
2561 | } | |
80c39712 TV |
2562 | |
2563 | return r / lcd; | |
2564 | } | |
2565 | ||
ff1b2cde | 2566 | unsigned long dispc_pclk_rate(enum omap_channel channel) |
80c39712 | 2567 | { |
ea75159e | 2568 | int pcd; |
80c39712 TV |
2569 | unsigned long r; |
2570 | u32 l; | |
2571 | ||
ce7fa5eb | 2572 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 | 2573 | |
80c39712 TV |
2574 | pcd = FLD_GET(l, 7, 0); |
2575 | ||
ea75159e | 2576 | r = dispc_lclk_rate(channel); |
80c39712 | 2577 | |
ea75159e | 2578 | return r / pcd; |
80c39712 TV |
2579 | } |
2580 | ||
2581 | void dispc_dump_clocks(struct seq_file *s) | |
2582 | { | |
2583 | int lcd, pcd; | |
0cf35df3 | 2584 | u32 l; |
89a35e51 AT |
2585 | enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source(); |
2586 | enum omap_dss_clk_source lcd_clk_src; | |
80c39712 TV |
2587 | |
2588 | enable_clocks(1); | |
2589 | ||
80c39712 TV |
2590 | seq_printf(s, "- DISPC -\n"); |
2591 | ||
067a57e4 AT |
2592 | seq_printf(s, "dispc fclk source = %s (%s)\n", |
2593 | dss_get_generic_clk_source_name(dispc_clk_src), | |
2594 | dss_feat_get_clk_source_name(dispc_clk_src)); | |
80c39712 TV |
2595 | |
2596 | seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate()); | |
2a205f34 | 2597 | |
0cf35df3 MR |
2598 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) { |
2599 | seq_printf(s, "- DISPC-CORE-CLK -\n"); | |
2600 | l = dispc_read_reg(DISPC_DIVISOR); | |
2601 | lcd = FLD_GET(l, 23, 16); | |
2602 | ||
2603 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", | |
2604 | (dispc_fclk_rate()/lcd), lcd); | |
2605 | } | |
2a205f34 SS |
2606 | seq_printf(s, "- LCD1 -\n"); |
2607 | ||
ea75159e TA |
2608 | lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD); |
2609 | ||
2610 | seq_printf(s, "lcd1_clk source = %s (%s)\n", | |
2611 | dss_get_generic_clk_source_name(lcd_clk_src), | |
2612 | dss_feat_get_clk_source_name(lcd_clk_src)); | |
2613 | ||
2a205f34 SS |
2614 | dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd); |
2615 | ||
ff1b2cde SS |
2616 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", |
2617 | dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd); | |
2618 | seq_printf(s, "pck\t\t%-16lupck div\t%u\n", | |
2619 | dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd); | |
2a205f34 SS |
2620 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2621 | seq_printf(s, "- LCD2 -\n"); | |
2622 | ||
ea75159e TA |
2623 | lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD2); |
2624 | ||
2625 | seq_printf(s, "lcd2_clk source = %s (%s)\n", | |
2626 | dss_get_generic_clk_source_name(lcd_clk_src), | |
2627 | dss_feat_get_clk_source_name(lcd_clk_src)); | |
2628 | ||
2a205f34 | 2629 | dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd); |
80c39712 | 2630 | |
2a205f34 SS |
2631 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", |
2632 | dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD2), lcd); | |
2633 | seq_printf(s, "pck\t\t%-16lupck div\t%u\n", | |
2634 | dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD2), pcd); | |
2635 | } | |
80c39712 TV |
2636 | enable_clocks(0); |
2637 | } | |
2638 | ||
dfc0fd8d TV |
2639 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
2640 | void dispc_dump_irqs(struct seq_file *s) | |
2641 | { | |
2642 | unsigned long flags; | |
2643 | struct dispc_irq_stats stats; | |
2644 | ||
2645 | spin_lock_irqsave(&dispc.irq_stats_lock, flags); | |
2646 | ||
2647 | stats = dispc.irq_stats; | |
2648 | memset(&dispc.irq_stats, 0, sizeof(dispc.irq_stats)); | |
2649 | dispc.irq_stats.last_reset = jiffies; | |
2650 | ||
2651 | spin_unlock_irqrestore(&dispc.irq_stats_lock, flags); | |
2652 | ||
2653 | seq_printf(s, "period %u ms\n", | |
2654 | jiffies_to_msecs(jiffies - stats.last_reset)); | |
2655 | ||
2656 | seq_printf(s, "irqs %d\n", stats.irq_count); | |
2657 | #define PIS(x) \ | |
2658 | seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]); | |
2659 | ||
2660 | PIS(FRAMEDONE); | |
2661 | PIS(VSYNC); | |
2662 | PIS(EVSYNC_EVEN); | |
2663 | PIS(EVSYNC_ODD); | |
2664 | PIS(ACBIAS_COUNT_STAT); | |
2665 | PIS(PROG_LINE_NUM); | |
2666 | PIS(GFX_FIFO_UNDERFLOW); | |
2667 | PIS(GFX_END_WIN); | |
2668 | PIS(PAL_GAMMA_MASK); | |
2669 | PIS(OCP_ERR); | |
2670 | PIS(VID1_FIFO_UNDERFLOW); | |
2671 | PIS(VID1_END_WIN); | |
2672 | PIS(VID2_FIFO_UNDERFLOW); | |
2673 | PIS(VID2_END_WIN); | |
2674 | PIS(SYNC_LOST); | |
2675 | PIS(SYNC_LOST_DIGIT); | |
2676 | PIS(WAKEUP); | |
2a205f34 SS |
2677 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2678 | PIS(FRAMEDONE2); | |
2679 | PIS(VSYNC2); | |
2680 | PIS(ACBIAS_COUNT_STAT2); | |
2681 | PIS(SYNC_LOST2); | |
2682 | } | |
dfc0fd8d TV |
2683 | #undef PIS |
2684 | } | |
dfc0fd8d TV |
2685 | #endif |
2686 | ||
80c39712 TV |
2687 | void dispc_dump_regs(struct seq_file *s) |
2688 | { | |
9b372c2d | 2689 | #define DUMPREG(r) seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r)) |
80c39712 | 2690 | |
6af9cd14 | 2691 | dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); |
80c39712 TV |
2692 | |
2693 | DUMPREG(DISPC_REVISION); | |
2694 | DUMPREG(DISPC_SYSCONFIG); | |
2695 | DUMPREG(DISPC_SYSSTATUS); | |
2696 | DUMPREG(DISPC_IRQSTATUS); | |
2697 | DUMPREG(DISPC_IRQENABLE); | |
2698 | DUMPREG(DISPC_CONTROL); | |
2699 | DUMPREG(DISPC_CONFIG); | |
2700 | DUMPREG(DISPC_CAPABLE); | |
702d1448 AT |
2701 | DUMPREG(DISPC_DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD)); |
2702 | DUMPREG(DISPC_DEFAULT_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
2703 | DUMPREG(DISPC_TRANS_COLOR(OMAP_DSS_CHANNEL_LCD)); | |
2704 | DUMPREG(DISPC_TRANS_COLOR(OMAP_DSS_CHANNEL_DIGIT)); | |
80c39712 TV |
2705 | DUMPREG(DISPC_LINE_STATUS); |
2706 | DUMPREG(DISPC_LINE_NUMBER); | |
702d1448 AT |
2707 | DUMPREG(DISPC_TIMING_H(OMAP_DSS_CHANNEL_LCD)); |
2708 | DUMPREG(DISPC_TIMING_V(OMAP_DSS_CHANNEL_LCD)); | |
2709 | DUMPREG(DISPC_POL_FREQ(OMAP_DSS_CHANNEL_LCD)); | |
2710 | DUMPREG(DISPC_DIVISORo(OMAP_DSS_CHANNEL_LCD)); | |
332e9d70 TV |
2711 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
2712 | DUMPREG(DISPC_GLOBAL_ALPHA); | |
702d1448 AT |
2713 | DUMPREG(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT)); |
2714 | DUMPREG(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_LCD)); | |
2a205f34 SS |
2715 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2716 | DUMPREG(DISPC_CONTROL2); | |
2717 | DUMPREG(DISPC_CONFIG2); | |
702d1448 AT |
2718 | DUMPREG(DISPC_DEFAULT_COLOR(OMAP_DSS_CHANNEL_LCD2)); |
2719 | DUMPREG(DISPC_TRANS_COLOR(OMAP_DSS_CHANNEL_LCD2)); | |
2720 | DUMPREG(DISPC_TIMING_H(OMAP_DSS_CHANNEL_LCD2)); | |
2721 | DUMPREG(DISPC_TIMING_V(OMAP_DSS_CHANNEL_LCD2)); | |
2722 | DUMPREG(DISPC_POL_FREQ(OMAP_DSS_CHANNEL_LCD2)); | |
2723 | DUMPREG(DISPC_DIVISORo(OMAP_DSS_CHANNEL_LCD2)); | |
2724 | DUMPREG(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 | 2725 | } |
80c39712 | 2726 | |
9b372c2d AT |
2727 | DUMPREG(DISPC_OVL_BA0(OMAP_DSS_GFX)); |
2728 | DUMPREG(DISPC_OVL_BA1(OMAP_DSS_GFX)); | |
2729 | DUMPREG(DISPC_OVL_POSITION(OMAP_DSS_GFX)); | |
2730 | DUMPREG(DISPC_OVL_SIZE(OMAP_DSS_GFX)); | |
2731 | DUMPREG(DISPC_OVL_ATTRIBUTES(OMAP_DSS_GFX)); | |
2732 | DUMPREG(DISPC_OVL_FIFO_THRESHOLD(OMAP_DSS_GFX)); | |
2733 | DUMPREG(DISPC_OVL_FIFO_SIZE_STATUS(OMAP_DSS_GFX)); | |
2734 | DUMPREG(DISPC_OVL_ROW_INC(OMAP_DSS_GFX)); | |
2735 | DUMPREG(DISPC_OVL_PIXEL_INC(OMAP_DSS_GFX)); | |
2736 | DUMPREG(DISPC_OVL_WINDOW_SKIP(OMAP_DSS_GFX)); | |
2737 | DUMPREG(DISPC_OVL_TABLE_BA(OMAP_DSS_GFX)); | |
80c39712 | 2738 | |
702d1448 AT |
2739 | DUMPREG(DISPC_DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD)); |
2740 | DUMPREG(DISPC_DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD)); | |
2741 | DUMPREG(DISPC_DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD)); | |
80c39712 | 2742 | |
332e9d70 TV |
2743 | if (dss_has_feature(FEAT_CPR)) { |
2744 | DUMPREG(DISPC_CPR_COEF_R(OMAP_DSS_CHANNEL_LCD)); | |
2745 | DUMPREG(DISPC_CPR_COEF_G(OMAP_DSS_CHANNEL_LCD)); | |
2746 | DUMPREG(DISPC_CPR_COEF_B(OMAP_DSS_CHANNEL_LCD)); | |
2747 | } | |
2a205f34 | 2748 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
702d1448 AT |
2749 | DUMPREG(DISPC_DATA_CYCLE1(OMAP_DSS_CHANNEL_LCD2)); |
2750 | DUMPREG(DISPC_DATA_CYCLE2(OMAP_DSS_CHANNEL_LCD2)); | |
2751 | DUMPREG(DISPC_DATA_CYCLE3(OMAP_DSS_CHANNEL_LCD2)); | |
2a205f34 | 2752 | |
332e9d70 TV |
2753 | if (dss_has_feature(FEAT_CPR)) { |
2754 | DUMPREG(DISPC_CPR_COEF_R(OMAP_DSS_CHANNEL_LCD2)); | |
2755 | DUMPREG(DISPC_CPR_COEF_G(OMAP_DSS_CHANNEL_LCD2)); | |
2756 | DUMPREG(DISPC_CPR_COEF_B(OMAP_DSS_CHANNEL_LCD2)); | |
2757 | } | |
2a205f34 | 2758 | } |
80c39712 | 2759 | |
332e9d70 TV |
2760 | if (dss_has_feature(FEAT_PRELOAD)) |
2761 | DUMPREG(DISPC_OVL_PRELOAD(OMAP_DSS_GFX)); | |
9b372c2d AT |
2762 | |
2763 | DUMPREG(DISPC_OVL_BA0(OMAP_DSS_VIDEO1)); | |
2764 | DUMPREG(DISPC_OVL_BA1(OMAP_DSS_VIDEO1)); | |
2765 | DUMPREG(DISPC_OVL_POSITION(OMAP_DSS_VIDEO1)); | |
2766 | DUMPREG(DISPC_OVL_SIZE(OMAP_DSS_VIDEO1)); | |
2767 | DUMPREG(DISPC_OVL_ATTRIBUTES(OMAP_DSS_VIDEO1)); | |
2768 | DUMPREG(DISPC_OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO1)); | |
2769 | DUMPREG(DISPC_OVL_FIFO_SIZE_STATUS(OMAP_DSS_VIDEO1)); | |
2770 | DUMPREG(DISPC_OVL_ROW_INC(OMAP_DSS_VIDEO1)); | |
2771 | DUMPREG(DISPC_OVL_PIXEL_INC(OMAP_DSS_VIDEO1)); | |
2772 | DUMPREG(DISPC_OVL_FIR(OMAP_DSS_VIDEO1)); | |
2773 | DUMPREG(DISPC_OVL_PICTURE_SIZE(OMAP_DSS_VIDEO1)); | |
2774 | DUMPREG(DISPC_OVL_ACCU0(OMAP_DSS_VIDEO1)); | |
2775 | DUMPREG(DISPC_OVL_ACCU1(OMAP_DSS_VIDEO1)); | |
2776 | ||
2777 | DUMPREG(DISPC_OVL_BA0(OMAP_DSS_VIDEO2)); | |
2778 | DUMPREG(DISPC_OVL_BA1(OMAP_DSS_VIDEO2)); | |
2779 | DUMPREG(DISPC_OVL_POSITION(OMAP_DSS_VIDEO2)); | |
2780 | DUMPREG(DISPC_OVL_SIZE(OMAP_DSS_VIDEO2)); | |
2781 | DUMPREG(DISPC_OVL_ATTRIBUTES(OMAP_DSS_VIDEO2)); | |
2782 | DUMPREG(DISPC_OVL_FIFO_THRESHOLD(OMAP_DSS_VIDEO2)); | |
2783 | DUMPREG(DISPC_OVL_FIFO_SIZE_STATUS(OMAP_DSS_VIDEO2)); | |
2784 | DUMPREG(DISPC_OVL_ROW_INC(OMAP_DSS_VIDEO2)); | |
2785 | DUMPREG(DISPC_OVL_PIXEL_INC(OMAP_DSS_VIDEO2)); | |
2786 | DUMPREG(DISPC_OVL_FIR(OMAP_DSS_VIDEO2)); | |
2787 | DUMPREG(DISPC_OVL_PICTURE_SIZE(OMAP_DSS_VIDEO2)); | |
2788 | DUMPREG(DISPC_OVL_ACCU0(OMAP_DSS_VIDEO2)); | |
2789 | DUMPREG(DISPC_OVL_ACCU1(OMAP_DSS_VIDEO2)); | |
2790 | ||
2791 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 0)); | |
2792 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 1)); | |
2793 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 2)); | |
2794 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 3)); | |
2795 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 4)); | |
2796 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 5)); | |
2797 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 6)); | |
2798 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO1, 7)); | |
2799 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 0)); | |
2800 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 1)); | |
2801 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 2)); | |
2802 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 3)); | |
2803 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 4)); | |
2804 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 5)); | |
2805 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 6)); | |
2806 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO1, 7)); | |
2807 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 0)); | |
2808 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 1)); | |
2809 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 2)); | |
2810 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 3)); | |
2811 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO1, 4)); | |
332e9d70 TV |
2812 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
2813 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 0)); | |
2814 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 1)); | |
2815 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 2)); | |
2816 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 3)); | |
2817 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 4)); | |
2818 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 5)); | |
2819 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 6)); | |
2820 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO1, 7)); | |
2821 | } | |
9b372c2d | 2822 | |
ab5ca071 AJ |
2823 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
2824 | DUMPREG(DISPC_OVL_BA0_UV(OMAP_DSS_VIDEO1)); | |
2825 | DUMPREG(DISPC_OVL_BA1_UV(OMAP_DSS_VIDEO1)); | |
2826 | DUMPREG(DISPC_OVL_FIR2(OMAP_DSS_VIDEO1)); | |
2827 | DUMPREG(DISPC_OVL_ACCU2_0(OMAP_DSS_VIDEO1)); | |
2828 | DUMPREG(DISPC_OVL_ACCU2_1(OMAP_DSS_VIDEO1)); | |
2829 | ||
2830 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 0)); | |
2831 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 1)); | |
2832 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 2)); | |
2833 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 3)); | |
2834 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 4)); | |
2835 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 5)); | |
2836 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 6)); | |
2837 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO1, 7)); | |
2838 | ||
2839 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 0)); | |
2840 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 1)); | |
2841 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 2)); | |
2842 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 3)); | |
2843 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 4)); | |
2844 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 5)); | |
2845 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 6)); | |
2846 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO1, 7)); | |
2847 | ||
2848 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 0)); | |
2849 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 1)); | |
2850 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 2)); | |
2851 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 3)); | |
2852 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 4)); | |
2853 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 5)); | |
2854 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 6)); | |
2855 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO1, 7)); | |
2856 | } | |
2857 | if (dss_has_feature(FEAT_ATTR2)) | |
2858 | DUMPREG(DISPC_OVL_ATTRIBUTES2(OMAP_DSS_VIDEO1)); | |
2859 | ||
2860 | ||
9b372c2d AT |
2861 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 0)); |
2862 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 1)); | |
2863 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 2)); | |
2864 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 3)); | |
2865 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 4)); | |
2866 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 5)); | |
2867 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 6)); | |
2868 | DUMPREG(DISPC_OVL_FIR_COEF_H(OMAP_DSS_VIDEO2, 7)); | |
2869 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 0)); | |
2870 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 1)); | |
2871 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 2)); | |
2872 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 3)); | |
2873 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 4)); | |
2874 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 5)); | |
2875 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 6)); | |
2876 | DUMPREG(DISPC_OVL_FIR_COEF_HV(OMAP_DSS_VIDEO2, 7)); | |
2877 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 0)); | |
2878 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 1)); | |
2879 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 2)); | |
2880 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 3)); | |
2881 | DUMPREG(DISPC_OVL_CONV_COEF(OMAP_DSS_VIDEO2, 4)); | |
332e9d70 TV |
2882 | |
2883 | if (dss_has_feature(FEAT_FIR_COEF_V)) { | |
2884 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 0)); | |
2885 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 1)); | |
2886 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 2)); | |
2887 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 3)); | |
2888 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 4)); | |
2889 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 5)); | |
2890 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 6)); | |
2891 | DUMPREG(DISPC_OVL_FIR_COEF_V(OMAP_DSS_VIDEO2, 7)); | |
2892 | } | |
9b372c2d | 2893 | |
ab5ca071 AJ |
2894 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
2895 | DUMPREG(DISPC_OVL_BA0_UV(OMAP_DSS_VIDEO2)); | |
2896 | DUMPREG(DISPC_OVL_BA1_UV(OMAP_DSS_VIDEO2)); | |
2897 | DUMPREG(DISPC_OVL_FIR2(OMAP_DSS_VIDEO2)); | |
2898 | DUMPREG(DISPC_OVL_ACCU2_0(OMAP_DSS_VIDEO2)); | |
2899 | DUMPREG(DISPC_OVL_ACCU2_1(OMAP_DSS_VIDEO2)); | |
2900 | ||
2901 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 0)); | |
2902 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 1)); | |
2903 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 2)); | |
2904 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 3)); | |
2905 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 4)); | |
2906 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 5)); | |
2907 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 6)); | |
2908 | DUMPREG(DISPC_OVL_FIR_COEF_H2(OMAP_DSS_VIDEO2, 7)); | |
2909 | ||
2910 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 0)); | |
2911 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 1)); | |
2912 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 2)); | |
2913 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 3)); | |
2914 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 4)); | |
2915 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 5)); | |
2916 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 6)); | |
2917 | DUMPREG(DISPC_OVL_FIR_COEF_HV2(OMAP_DSS_VIDEO2, 7)); | |
2918 | ||
2919 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 0)); | |
2920 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 1)); | |
2921 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 2)); | |
2922 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 3)); | |
2923 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 4)); | |
2924 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 5)); | |
2925 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 6)); | |
2926 | DUMPREG(DISPC_OVL_FIR_COEF_V2(OMAP_DSS_VIDEO2, 7)); | |
2927 | } | |
2928 | if (dss_has_feature(FEAT_ATTR2)) | |
2929 | DUMPREG(DISPC_OVL_ATTRIBUTES2(OMAP_DSS_VIDEO2)); | |
2930 | ||
332e9d70 TV |
2931 | if (dss_has_feature(FEAT_PRELOAD)) { |
2932 | DUMPREG(DISPC_OVL_PRELOAD(OMAP_DSS_VIDEO1)); | |
2933 | DUMPREG(DISPC_OVL_PRELOAD(OMAP_DSS_VIDEO2)); | |
2934 | } | |
80c39712 | 2935 | |
6af9cd14 | 2936 | dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); |
80c39712 TV |
2937 | #undef DUMPREG |
2938 | } | |
2939 | ||
ff1b2cde SS |
2940 | static void _dispc_set_pol_freq(enum omap_channel channel, bool onoff, bool rf, |
2941 | bool ieo, bool ipc, bool ihs, bool ivs, u8 acbi, u8 acb) | |
80c39712 TV |
2942 | { |
2943 | u32 l = 0; | |
2944 | ||
2945 | DSSDBG("onoff %d rf %d ieo %d ipc %d ihs %d ivs %d acbi %d acb %d\n", | |
2946 | onoff, rf, ieo, ipc, ihs, ivs, acbi, acb); | |
2947 | ||
2948 | l |= FLD_VAL(onoff, 17, 17); | |
2949 | l |= FLD_VAL(rf, 16, 16); | |
2950 | l |= FLD_VAL(ieo, 15, 15); | |
2951 | l |= FLD_VAL(ipc, 14, 14); | |
2952 | l |= FLD_VAL(ihs, 13, 13); | |
2953 | l |= FLD_VAL(ivs, 12, 12); | |
2954 | l |= FLD_VAL(acbi, 11, 8); | |
2955 | l |= FLD_VAL(acb, 7, 0); | |
2956 | ||
2957 | enable_clocks(1); | |
ff1b2cde | 2958 | dispc_write_reg(DISPC_POL_FREQ(channel), l); |
80c39712 TV |
2959 | enable_clocks(0); |
2960 | } | |
2961 | ||
ff1b2cde SS |
2962 | void dispc_set_pol_freq(enum omap_channel channel, |
2963 | enum omap_panel_config config, u8 acbi, u8 acb) | |
80c39712 | 2964 | { |
ff1b2cde | 2965 | _dispc_set_pol_freq(channel, (config & OMAP_DSS_LCD_ONOFF) != 0, |
80c39712 TV |
2966 | (config & OMAP_DSS_LCD_RF) != 0, |
2967 | (config & OMAP_DSS_LCD_IEO) != 0, | |
2968 | (config & OMAP_DSS_LCD_IPC) != 0, | |
2969 | (config & OMAP_DSS_LCD_IHS) != 0, | |
2970 | (config & OMAP_DSS_LCD_IVS) != 0, | |
2971 | acbi, acb); | |
2972 | } | |
2973 | ||
2974 | /* with fck as input clock rate, find dispc dividers that produce req_pck */ | |
2975 | void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck, | |
2976 | struct dispc_clock_info *cinfo) | |
2977 | { | |
2978 | u16 pcd_min = is_tft ? 2 : 3; | |
2979 | unsigned long best_pck; | |
2980 | u16 best_ld, cur_ld; | |
2981 | u16 best_pd, cur_pd; | |
2982 | ||
2983 | best_pck = 0; | |
2984 | best_ld = 0; | |
2985 | best_pd = 0; | |
2986 | ||
2987 | for (cur_ld = 1; cur_ld <= 255; ++cur_ld) { | |
2988 | unsigned long lck = fck / cur_ld; | |
2989 | ||
2990 | for (cur_pd = pcd_min; cur_pd <= 255; ++cur_pd) { | |
2991 | unsigned long pck = lck / cur_pd; | |
2992 | long old_delta = abs(best_pck - req_pck); | |
2993 | long new_delta = abs(pck - req_pck); | |
2994 | ||
2995 | if (best_pck == 0 || new_delta < old_delta) { | |
2996 | best_pck = pck; | |
2997 | best_ld = cur_ld; | |
2998 | best_pd = cur_pd; | |
2999 | ||
3000 | if (pck == req_pck) | |
3001 | goto found; | |
3002 | } | |
3003 | ||
3004 | if (pck < req_pck) | |
3005 | break; | |
3006 | } | |
3007 | ||
3008 | if (lck / pcd_min < req_pck) | |
3009 | break; | |
3010 | } | |
3011 | ||
3012 | found: | |
3013 | cinfo->lck_div = best_ld; | |
3014 | cinfo->pck_div = best_pd; | |
3015 | cinfo->lck = fck / cinfo->lck_div; | |
3016 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
3017 | } | |
3018 | ||
3019 | /* calculate clock rates using dividers in cinfo */ | |
3020 | int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, | |
3021 | struct dispc_clock_info *cinfo) | |
3022 | { | |
3023 | if (cinfo->lck_div > 255 || cinfo->lck_div == 0) | |
3024 | return -EINVAL; | |
3025 | if (cinfo->pck_div < 2 || cinfo->pck_div > 255) | |
3026 | return -EINVAL; | |
3027 | ||
3028 | cinfo->lck = dispc_fclk_rate / cinfo->lck_div; | |
3029 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
3030 | ||
3031 | return 0; | |
3032 | } | |
3033 | ||
ff1b2cde SS |
3034 | int dispc_set_clock_div(enum omap_channel channel, |
3035 | struct dispc_clock_info *cinfo) | |
80c39712 TV |
3036 | { |
3037 | DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div); | |
3038 | DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div); | |
3039 | ||
ff1b2cde | 3040 | dispc_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div); |
80c39712 TV |
3041 | |
3042 | return 0; | |
3043 | } | |
3044 | ||
ff1b2cde SS |
3045 | int dispc_get_clock_div(enum omap_channel channel, |
3046 | struct dispc_clock_info *cinfo) | |
80c39712 TV |
3047 | { |
3048 | unsigned long fck; | |
3049 | ||
3050 | fck = dispc_fclk_rate(); | |
3051 | ||
ce7fa5eb MR |
3052 | cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16); |
3053 | cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0); | |
80c39712 TV |
3054 | |
3055 | cinfo->lck = fck / cinfo->lck_div; | |
3056 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
3057 | ||
3058 | return 0; | |
3059 | } | |
3060 | ||
3061 | /* dispc.irq_lock has to be locked by the caller */ | |
3062 | static void _omap_dispc_set_irqs(void) | |
3063 | { | |
3064 | u32 mask; | |
3065 | u32 old_mask; | |
3066 | int i; | |
3067 | struct omap_dispc_isr_data *isr_data; | |
3068 | ||
3069 | mask = dispc.irq_error_mask; | |
3070 | ||
3071 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3072 | isr_data = &dispc.registered_isr[i]; | |
3073 | ||
3074 | if (isr_data->isr == NULL) | |
3075 | continue; | |
3076 | ||
3077 | mask |= isr_data->mask; | |
3078 | } | |
3079 | ||
3080 | enable_clocks(1); | |
3081 | ||
3082 | old_mask = dispc_read_reg(DISPC_IRQENABLE); | |
3083 | /* clear the irqstatus for newly enabled irqs */ | |
3084 | dispc_write_reg(DISPC_IRQSTATUS, (mask ^ old_mask) & mask); | |
3085 | ||
3086 | dispc_write_reg(DISPC_IRQENABLE, mask); | |
3087 | ||
3088 | enable_clocks(0); | |
3089 | } | |
3090 | ||
3091 | int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | |
3092 | { | |
3093 | int i; | |
3094 | int ret; | |
3095 | unsigned long flags; | |
3096 | struct omap_dispc_isr_data *isr_data; | |
3097 | ||
3098 | if (isr == NULL) | |
3099 | return -EINVAL; | |
3100 | ||
3101 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3102 | ||
3103 | /* check for duplicate entry */ | |
3104 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3105 | isr_data = &dispc.registered_isr[i]; | |
3106 | if (isr_data->isr == isr && isr_data->arg == arg && | |
3107 | isr_data->mask == mask) { | |
3108 | ret = -EINVAL; | |
3109 | goto err; | |
3110 | } | |
3111 | } | |
3112 | ||
3113 | isr_data = NULL; | |
3114 | ret = -EBUSY; | |
3115 | ||
3116 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3117 | isr_data = &dispc.registered_isr[i]; | |
3118 | ||
3119 | if (isr_data->isr != NULL) | |
3120 | continue; | |
3121 | ||
3122 | isr_data->isr = isr; | |
3123 | isr_data->arg = arg; | |
3124 | isr_data->mask = mask; | |
3125 | ret = 0; | |
3126 | ||
3127 | break; | |
3128 | } | |
3129 | ||
b9cb0984 TV |
3130 | if (ret) |
3131 | goto err; | |
3132 | ||
80c39712 TV |
3133 | _omap_dispc_set_irqs(); |
3134 | ||
3135 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3136 | ||
3137 | return 0; | |
3138 | err: | |
3139 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3140 | ||
3141 | return ret; | |
3142 | } | |
3143 | EXPORT_SYMBOL(omap_dispc_register_isr); | |
3144 | ||
3145 | int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | |
3146 | { | |
3147 | int i; | |
3148 | unsigned long flags; | |
3149 | int ret = -EINVAL; | |
3150 | struct omap_dispc_isr_data *isr_data; | |
3151 | ||
3152 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3153 | ||
3154 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3155 | isr_data = &dispc.registered_isr[i]; | |
3156 | if (isr_data->isr != isr || isr_data->arg != arg || | |
3157 | isr_data->mask != mask) | |
3158 | continue; | |
3159 | ||
3160 | /* found the correct isr */ | |
3161 | ||
3162 | isr_data->isr = NULL; | |
3163 | isr_data->arg = NULL; | |
3164 | isr_data->mask = 0; | |
3165 | ||
3166 | ret = 0; | |
3167 | break; | |
3168 | } | |
3169 | ||
3170 | if (ret == 0) | |
3171 | _omap_dispc_set_irqs(); | |
3172 | ||
3173 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3174 | ||
3175 | return ret; | |
3176 | } | |
3177 | EXPORT_SYMBOL(omap_dispc_unregister_isr); | |
3178 | ||
3179 | #ifdef DEBUG | |
3180 | static void print_irq_status(u32 status) | |
3181 | { | |
3182 | if ((status & dispc.irq_error_mask) == 0) | |
3183 | return; | |
3184 | ||
3185 | printk(KERN_DEBUG "DISPC IRQ: 0x%x: ", status); | |
3186 | ||
3187 | #define PIS(x) \ | |
3188 | if (status & DISPC_IRQ_##x) \ | |
3189 | printk(#x " "); | |
3190 | PIS(GFX_FIFO_UNDERFLOW); | |
3191 | PIS(OCP_ERR); | |
3192 | PIS(VID1_FIFO_UNDERFLOW); | |
3193 | PIS(VID2_FIFO_UNDERFLOW); | |
3194 | PIS(SYNC_LOST); | |
3195 | PIS(SYNC_LOST_DIGIT); | |
2a205f34 SS |
3196 | if (dss_has_feature(FEAT_MGR_LCD2)) |
3197 | PIS(SYNC_LOST2); | |
80c39712 TV |
3198 | #undef PIS |
3199 | ||
3200 | printk("\n"); | |
3201 | } | |
3202 | #endif | |
3203 | ||
3204 | /* Called from dss.c. Note that we don't touch clocks here, | |
3205 | * but we presume they are on because we got an IRQ. However, | |
3206 | * an irq handler may turn the clocks off, so we may not have | |
3207 | * clock later in the function. */ | |
affe360d | 3208 | static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) |
80c39712 TV |
3209 | { |
3210 | int i; | |
affe360d | 3211 | u32 irqstatus, irqenable; |
80c39712 TV |
3212 | u32 handledirqs = 0; |
3213 | u32 unhandled_errors; | |
3214 | struct omap_dispc_isr_data *isr_data; | |
3215 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | |
3216 | ||
3217 | spin_lock(&dispc.irq_lock); | |
3218 | ||
3219 | irqstatus = dispc_read_reg(DISPC_IRQSTATUS); | |
affe360d | 3220 | irqenable = dispc_read_reg(DISPC_IRQENABLE); |
3221 | ||
3222 | /* IRQ is not for us */ | |
3223 | if (!(irqstatus & irqenable)) { | |
3224 | spin_unlock(&dispc.irq_lock); | |
3225 | return IRQ_NONE; | |
3226 | } | |
80c39712 | 3227 | |
dfc0fd8d TV |
3228 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
3229 | spin_lock(&dispc.irq_stats_lock); | |
3230 | dispc.irq_stats.irq_count++; | |
3231 | dss_collect_irq_stats(irqstatus, dispc.irq_stats.irqs); | |
3232 | spin_unlock(&dispc.irq_stats_lock); | |
3233 | #endif | |
3234 | ||
80c39712 TV |
3235 | #ifdef DEBUG |
3236 | if (dss_debug) | |
3237 | print_irq_status(irqstatus); | |
3238 | #endif | |
3239 | /* Ack the interrupt. Do it here before clocks are possibly turned | |
3240 | * off */ | |
3241 | dispc_write_reg(DISPC_IRQSTATUS, irqstatus); | |
3242 | /* flush posted write */ | |
3243 | dispc_read_reg(DISPC_IRQSTATUS); | |
3244 | ||
3245 | /* make a copy and unlock, so that isrs can unregister | |
3246 | * themselves */ | |
3247 | memcpy(registered_isr, dispc.registered_isr, | |
3248 | sizeof(registered_isr)); | |
3249 | ||
3250 | spin_unlock(&dispc.irq_lock); | |
3251 | ||
3252 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3253 | isr_data = ®istered_isr[i]; | |
3254 | ||
3255 | if (!isr_data->isr) | |
3256 | continue; | |
3257 | ||
3258 | if (isr_data->mask & irqstatus) { | |
3259 | isr_data->isr(isr_data->arg, irqstatus); | |
3260 | handledirqs |= isr_data->mask; | |
3261 | } | |
3262 | } | |
3263 | ||
3264 | spin_lock(&dispc.irq_lock); | |
3265 | ||
3266 | unhandled_errors = irqstatus & ~handledirqs & dispc.irq_error_mask; | |
3267 | ||
3268 | if (unhandled_errors) { | |
3269 | dispc.error_irqs |= unhandled_errors; | |
3270 | ||
3271 | dispc.irq_error_mask &= ~unhandled_errors; | |
3272 | _omap_dispc_set_irqs(); | |
3273 | ||
3274 | schedule_work(&dispc.error_work); | |
3275 | } | |
3276 | ||
3277 | spin_unlock(&dispc.irq_lock); | |
affe360d | 3278 | |
3279 | return IRQ_HANDLED; | |
80c39712 TV |
3280 | } |
3281 | ||
3282 | static void dispc_error_worker(struct work_struct *work) | |
3283 | { | |
3284 | int i; | |
3285 | u32 errors; | |
3286 | unsigned long flags; | |
3287 | ||
3288 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3289 | errors = dispc.error_irqs; | |
3290 | dispc.error_irqs = 0; | |
3291 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3292 | ||
3293 | if (errors & DISPC_IRQ_GFX_FIFO_UNDERFLOW) { | |
3294 | DSSERR("GFX_FIFO_UNDERFLOW, disabling GFX\n"); | |
3295 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | |
3296 | struct omap_overlay *ovl; | |
3297 | ovl = omap_dss_get_overlay(i); | |
3298 | ||
3299 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3300 | continue; | |
3301 | ||
3302 | if (ovl->id == 0) { | |
3303 | dispc_enable_plane(ovl->id, 0); | |
3304 | dispc_go(ovl->manager->id); | |
3305 | mdelay(50); | |
3306 | break; | |
3307 | } | |
3308 | } | |
3309 | } | |
3310 | ||
3311 | if (errors & DISPC_IRQ_VID1_FIFO_UNDERFLOW) { | |
3312 | DSSERR("VID1_FIFO_UNDERFLOW, disabling VID1\n"); | |
3313 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | |
3314 | struct omap_overlay *ovl; | |
3315 | ovl = omap_dss_get_overlay(i); | |
3316 | ||
3317 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3318 | continue; | |
3319 | ||
3320 | if (ovl->id == 1) { | |
3321 | dispc_enable_plane(ovl->id, 0); | |
3322 | dispc_go(ovl->manager->id); | |
3323 | mdelay(50); | |
3324 | break; | |
3325 | } | |
3326 | } | |
3327 | } | |
3328 | ||
3329 | if (errors & DISPC_IRQ_VID2_FIFO_UNDERFLOW) { | |
3330 | DSSERR("VID2_FIFO_UNDERFLOW, disabling VID2\n"); | |
3331 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | |
3332 | struct omap_overlay *ovl; | |
3333 | ovl = omap_dss_get_overlay(i); | |
3334 | ||
3335 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3336 | continue; | |
3337 | ||
3338 | if (ovl->id == 2) { | |
3339 | dispc_enable_plane(ovl->id, 0); | |
3340 | dispc_go(ovl->manager->id); | |
3341 | mdelay(50); | |
3342 | break; | |
3343 | } | |
3344 | } | |
3345 | } | |
3346 | ||
3347 | if (errors & DISPC_IRQ_SYNC_LOST) { | |
3348 | struct omap_overlay_manager *manager = NULL; | |
3349 | bool enable = false; | |
3350 | ||
3351 | DSSERR("SYNC_LOST, disabling LCD\n"); | |
3352 | ||
3353 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | |
3354 | struct omap_overlay_manager *mgr; | |
3355 | mgr = omap_dss_get_overlay_manager(i); | |
3356 | ||
3357 | if (mgr->id == OMAP_DSS_CHANNEL_LCD) { | |
3358 | manager = mgr; | |
3359 | enable = mgr->device->state == | |
3360 | OMAP_DSS_DISPLAY_ACTIVE; | |
37ac60e4 | 3361 | mgr->device->driver->disable(mgr->device); |
80c39712 TV |
3362 | break; |
3363 | } | |
3364 | } | |
3365 | ||
3366 | if (manager) { | |
37ac60e4 | 3367 | struct omap_dss_device *dssdev = manager->device; |
80c39712 TV |
3368 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { |
3369 | struct omap_overlay *ovl; | |
3370 | ovl = omap_dss_get_overlay(i); | |
3371 | ||
3372 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3373 | continue; | |
3374 | ||
3375 | if (ovl->id != 0 && ovl->manager == manager) | |
3376 | dispc_enable_plane(ovl->id, 0); | |
3377 | } | |
3378 | ||
3379 | dispc_go(manager->id); | |
3380 | mdelay(50); | |
3381 | if (enable) | |
37ac60e4 | 3382 | dssdev->driver->enable(dssdev); |
80c39712 TV |
3383 | } |
3384 | } | |
3385 | ||
3386 | if (errors & DISPC_IRQ_SYNC_LOST_DIGIT) { | |
3387 | struct omap_overlay_manager *manager = NULL; | |
3388 | bool enable = false; | |
3389 | ||
3390 | DSSERR("SYNC_LOST_DIGIT, disabling TV\n"); | |
3391 | ||
3392 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | |
3393 | struct omap_overlay_manager *mgr; | |
3394 | mgr = omap_dss_get_overlay_manager(i); | |
3395 | ||
3396 | if (mgr->id == OMAP_DSS_CHANNEL_DIGIT) { | |
3397 | manager = mgr; | |
3398 | enable = mgr->device->state == | |
3399 | OMAP_DSS_DISPLAY_ACTIVE; | |
37ac60e4 | 3400 | mgr->device->driver->disable(mgr->device); |
80c39712 TV |
3401 | break; |
3402 | } | |
3403 | } | |
3404 | ||
3405 | if (manager) { | |
37ac60e4 | 3406 | struct omap_dss_device *dssdev = manager->device; |
80c39712 TV |
3407 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { |
3408 | struct omap_overlay *ovl; | |
3409 | ovl = omap_dss_get_overlay(i); | |
3410 | ||
3411 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3412 | continue; | |
3413 | ||
3414 | if (ovl->id != 0 && ovl->manager == manager) | |
3415 | dispc_enable_plane(ovl->id, 0); | |
3416 | } | |
3417 | ||
3418 | dispc_go(manager->id); | |
3419 | mdelay(50); | |
3420 | if (enable) | |
37ac60e4 | 3421 | dssdev->driver->enable(dssdev); |
80c39712 TV |
3422 | } |
3423 | } | |
3424 | ||
2a205f34 SS |
3425 | if (errors & DISPC_IRQ_SYNC_LOST2) { |
3426 | struct omap_overlay_manager *manager = NULL; | |
3427 | bool enable = false; | |
3428 | ||
3429 | DSSERR("SYNC_LOST for LCD2, disabling LCD2\n"); | |
3430 | ||
3431 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | |
3432 | struct omap_overlay_manager *mgr; | |
3433 | mgr = omap_dss_get_overlay_manager(i); | |
3434 | ||
3435 | if (mgr->id == OMAP_DSS_CHANNEL_LCD2) { | |
3436 | manager = mgr; | |
3437 | enable = mgr->device->state == | |
3438 | OMAP_DSS_DISPLAY_ACTIVE; | |
3439 | mgr->device->driver->disable(mgr->device); | |
3440 | break; | |
3441 | } | |
3442 | } | |
3443 | ||
3444 | if (manager) { | |
3445 | struct omap_dss_device *dssdev = manager->device; | |
3446 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | |
3447 | struct omap_overlay *ovl; | |
3448 | ovl = omap_dss_get_overlay(i); | |
3449 | ||
3450 | if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC)) | |
3451 | continue; | |
3452 | ||
3453 | if (ovl->id != 0 && ovl->manager == manager) | |
3454 | dispc_enable_plane(ovl->id, 0); | |
3455 | } | |
3456 | ||
3457 | dispc_go(manager->id); | |
3458 | mdelay(50); | |
3459 | if (enable) | |
3460 | dssdev->driver->enable(dssdev); | |
3461 | } | |
3462 | } | |
3463 | ||
80c39712 TV |
3464 | if (errors & DISPC_IRQ_OCP_ERR) { |
3465 | DSSERR("OCP_ERR\n"); | |
3466 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | |
3467 | struct omap_overlay_manager *mgr; | |
3468 | mgr = omap_dss_get_overlay_manager(i); | |
3469 | ||
3470 | if (mgr->caps & OMAP_DSS_OVL_CAP_DISPC) | |
37ac60e4 | 3471 | mgr->device->driver->disable(mgr->device); |
80c39712 TV |
3472 | } |
3473 | } | |
3474 | ||
3475 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3476 | dispc.irq_error_mask |= errors; | |
3477 | _omap_dispc_set_irqs(); | |
3478 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3479 | } | |
3480 | ||
3481 | int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout) | |
3482 | { | |
3483 | void dispc_irq_wait_handler(void *data, u32 mask) | |
3484 | { | |
3485 | complete((struct completion *)data); | |
3486 | } | |
3487 | ||
3488 | int r; | |
3489 | DECLARE_COMPLETION_ONSTACK(completion); | |
3490 | ||
3491 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | |
3492 | irqmask); | |
3493 | ||
3494 | if (r) | |
3495 | return r; | |
3496 | ||
3497 | timeout = wait_for_completion_timeout(&completion, timeout); | |
3498 | ||
3499 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | |
3500 | ||
3501 | if (timeout == 0) | |
3502 | return -ETIMEDOUT; | |
3503 | ||
3504 | if (timeout == -ERESTARTSYS) | |
3505 | return -ERESTARTSYS; | |
3506 | ||
3507 | return 0; | |
3508 | } | |
3509 | ||
3510 | int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, | |
3511 | unsigned long timeout) | |
3512 | { | |
3513 | void dispc_irq_wait_handler(void *data, u32 mask) | |
3514 | { | |
3515 | complete((struct completion *)data); | |
3516 | } | |
3517 | ||
3518 | int r; | |
3519 | DECLARE_COMPLETION_ONSTACK(completion); | |
3520 | ||
3521 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | |
3522 | irqmask); | |
3523 | ||
3524 | if (r) | |
3525 | return r; | |
3526 | ||
3527 | timeout = wait_for_completion_interruptible_timeout(&completion, | |
3528 | timeout); | |
3529 | ||
3530 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | |
3531 | ||
3532 | if (timeout == 0) | |
3533 | return -ETIMEDOUT; | |
3534 | ||
3535 | if (timeout == -ERESTARTSYS) | |
3536 | return -ERESTARTSYS; | |
3537 | ||
3538 | return 0; | |
3539 | } | |
3540 | ||
3541 | #ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC | |
3542 | void dispc_fake_vsync_irq(void) | |
3543 | { | |
3544 | u32 irqstatus = DISPC_IRQ_VSYNC; | |
3545 | int i; | |
3546 | ||
ab83b14c | 3547 | WARN_ON(!in_interrupt()); |
80c39712 TV |
3548 | |
3549 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3550 | struct omap_dispc_isr_data *isr_data; | |
3551 | isr_data = &dispc.registered_isr[i]; | |
3552 | ||
3553 | if (!isr_data->isr) | |
3554 | continue; | |
3555 | ||
3556 | if (isr_data->mask & irqstatus) | |
3557 | isr_data->isr(isr_data->arg, irqstatus); | |
3558 | } | |
80c39712 TV |
3559 | } |
3560 | #endif | |
3561 | ||
3562 | static void _omap_dispc_initialize_irq(void) | |
3563 | { | |
3564 | unsigned long flags; | |
3565 | ||
3566 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3567 | ||
3568 | memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr)); | |
3569 | ||
3570 | dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR; | |
2a205f34 SS |
3571 | if (dss_has_feature(FEAT_MGR_LCD2)) |
3572 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; | |
80c39712 TV |
3573 | |
3574 | /* there's SYNC_LOST_DIGIT waiting after enabling the DSS, | |
3575 | * so clear it */ | |
3576 | dispc_write_reg(DISPC_IRQSTATUS, dispc_read_reg(DISPC_IRQSTATUS)); | |
3577 | ||
3578 | _omap_dispc_set_irqs(); | |
3579 | ||
3580 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3581 | } | |
3582 | ||
3583 | void dispc_enable_sidle(void) | |
3584 | { | |
3585 | REG_FLD_MOD(DISPC_SYSCONFIG, 2, 4, 3); /* SIDLEMODE: smart idle */ | |
3586 | } | |
3587 | ||
3588 | void dispc_disable_sidle(void) | |
3589 | { | |
3590 | REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3); /* SIDLEMODE: no idle */ | |
3591 | } | |
3592 | ||
3593 | static void _omap_dispc_initial_config(void) | |
3594 | { | |
3595 | u32 l; | |
3596 | ||
3597 | l = dispc_read_reg(DISPC_SYSCONFIG); | |
3598 | l = FLD_MOD(l, 2, 13, 12); /* MIDLEMODE: smart standby */ | |
3599 | l = FLD_MOD(l, 2, 4, 3); /* SIDLEMODE: smart idle */ | |
3600 | l = FLD_MOD(l, 1, 2, 2); /* ENWAKEUP */ | |
3601 | l = FLD_MOD(l, 1, 0, 0); /* AUTOIDLE */ | |
3602 | dispc_write_reg(DISPC_SYSCONFIG, l); | |
3603 | ||
0cf35df3 MR |
3604 | /* Exclusively enable DISPC_CORE_CLK and set divider to 1 */ |
3605 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) { | |
3606 | l = dispc_read_reg(DISPC_DIVISOR); | |
3607 | /* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */ | |
3608 | l = FLD_MOD(l, 1, 0, 0); | |
3609 | l = FLD_MOD(l, 1, 23, 16); | |
3610 | dispc_write_reg(DISPC_DIVISOR, l); | |
3611 | } | |
3612 | ||
80c39712 | 3613 | /* FUNCGATED */ |
6ced40bf AT |
3614 | if (dss_has_feature(FEAT_FUNCGATED)) |
3615 | REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9); | |
80c39712 TV |
3616 | |
3617 | /* L3 firewall setting: enable access to OCM RAM */ | |
3618 | /* XXX this should be somewhere in plat-omap */ | |
3619 | if (cpu_is_omap24xx()) | |
3620 | __raw_writel(0x402000b0, OMAP2_L3_IO_ADDRESS(0x680050a0)); | |
3621 | ||
3622 | _dispc_setup_color_conv_coef(); | |
3623 | ||
3624 | dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY); | |
3625 | ||
3626 | dispc_read_plane_fifo_sizes(); | |
3627 | } | |
3628 | ||
80c39712 TV |
3629 | int dispc_enable_plane(enum omap_plane plane, bool enable) |
3630 | { | |
3631 | DSSDBG("dispc_enable_plane %d, %d\n", plane, enable); | |
3632 | ||
3633 | enable_clocks(1); | |
3634 | _dispc_enable_plane(plane, enable); | |
3635 | enable_clocks(0); | |
3636 | ||
3637 | return 0; | |
3638 | } | |
3639 | ||
3640 | int dispc_setup_plane(enum omap_plane plane, | |
3641 | u32 paddr, u16 screen_width, | |
3642 | u16 pos_x, u16 pos_y, | |
3643 | u16 width, u16 height, | |
3644 | u16 out_width, u16 out_height, | |
3645 | enum omap_color_mode color_mode, | |
3646 | bool ilace, | |
3647 | enum omap_dss_rotation_type rotation_type, | |
fd28a390 | 3648 | u8 rotation, bool mirror, u8 global_alpha, |
0d66cbb5 AJ |
3649 | u8 pre_mult_alpha, enum omap_channel channel, |
3650 | u32 puv_addr) | |
80c39712 TV |
3651 | { |
3652 | int r = 0; | |
3653 | ||
0d66cbb5 | 3654 | DSSDBG("dispc_setup_plane %d, pa %x, sw %d, %d, %d, %dx%d -> " |
18faa1b6 | 3655 | "%dx%d, ilace %d, cmode %x, rot %d, mir %d chan %d\n", |
80c39712 TV |
3656 | plane, paddr, screen_width, pos_x, pos_y, |
3657 | width, height, | |
3658 | out_width, out_height, | |
3659 | ilace, color_mode, | |
18faa1b6 | 3660 | rotation, mirror, channel); |
80c39712 TV |
3661 | |
3662 | enable_clocks(1); | |
3663 | ||
3664 | r = _dispc_setup_plane(plane, | |
3665 | paddr, screen_width, | |
3666 | pos_x, pos_y, | |
3667 | width, height, | |
3668 | out_width, out_height, | |
3669 | color_mode, ilace, | |
3670 | rotation_type, | |
3671 | rotation, mirror, | |
fd28a390 | 3672 | global_alpha, |
0d66cbb5 AJ |
3673 | pre_mult_alpha, |
3674 | channel, puv_addr); | |
80c39712 TV |
3675 | |
3676 | enable_clocks(0); | |
3677 | ||
3678 | return r; | |
3679 | } | |
060b6d9c SG |
3680 | |
3681 | /* DISPC HW IP initialisation */ | |
3682 | static int omap_dispchw_probe(struct platform_device *pdev) | |
3683 | { | |
3684 | u32 rev; | |
affe360d | 3685 | int r = 0; |
ea9da36a SG |
3686 | struct resource *dispc_mem; |
3687 | ||
060b6d9c SG |
3688 | dispc.pdev = pdev; |
3689 | ||
3690 | spin_lock_init(&dispc.irq_lock); | |
3691 | ||
3692 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | |
3693 | spin_lock_init(&dispc.irq_stats_lock); | |
3694 | dispc.irq_stats.last_reset = jiffies; | |
3695 | #endif | |
3696 | ||
3697 | INIT_WORK(&dispc.error_work, dispc_error_worker); | |
3698 | ||
ea9da36a SG |
3699 | dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); |
3700 | if (!dispc_mem) { | |
3701 | DSSERR("can't get IORESOURCE_MEM DISPC\n"); | |
affe360d | 3702 | r = -EINVAL; |
3703 | goto fail0; | |
ea9da36a SG |
3704 | } |
3705 | dispc.base = ioremap(dispc_mem->start, resource_size(dispc_mem)); | |
060b6d9c SG |
3706 | if (!dispc.base) { |
3707 | DSSERR("can't ioremap DISPC\n"); | |
affe360d | 3708 | r = -ENOMEM; |
3709 | goto fail0; | |
3710 | } | |
3711 | dispc.irq = platform_get_irq(dispc.pdev, 0); | |
3712 | if (dispc.irq < 0) { | |
3713 | DSSERR("platform_get_irq failed\n"); | |
3714 | r = -ENODEV; | |
3715 | goto fail1; | |
3716 | } | |
3717 | ||
3718 | r = request_irq(dispc.irq, omap_dispc_irq_handler, IRQF_SHARED, | |
3719 | "OMAP DISPC", dispc.pdev); | |
3720 | if (r < 0) { | |
3721 | DSSERR("request_irq failed\n"); | |
3722 | goto fail1; | |
060b6d9c SG |
3723 | } |
3724 | ||
3725 | enable_clocks(1); | |
3726 | ||
3727 | _omap_dispc_initial_config(); | |
3728 | ||
3729 | _omap_dispc_initialize_irq(); | |
3730 | ||
3731 | dispc_save_context(); | |
3732 | ||
3733 | rev = dispc_read_reg(DISPC_REVISION); | |
a06b62f8 | 3734 | dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n", |
060b6d9c SG |
3735 | FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); |
3736 | ||
3737 | enable_clocks(0); | |
3738 | ||
3739 | return 0; | |
affe360d | 3740 | fail1: |
3741 | iounmap(dispc.base); | |
3742 | fail0: | |
3743 | return r; | |
060b6d9c SG |
3744 | } |
3745 | ||
3746 | static int omap_dispchw_remove(struct platform_device *pdev) | |
3747 | { | |
affe360d | 3748 | free_irq(dispc.irq, dispc.pdev); |
060b6d9c SG |
3749 | iounmap(dispc.base); |
3750 | return 0; | |
3751 | } | |
3752 | ||
3753 | static struct platform_driver omap_dispchw_driver = { | |
3754 | .probe = omap_dispchw_probe, | |
3755 | .remove = omap_dispchw_remove, | |
3756 | .driver = { | |
3757 | .name = "omapdss_dispc", | |
3758 | .owner = THIS_MODULE, | |
3759 | }, | |
3760 | }; | |
3761 | ||
3762 | int dispc_init_platform_driver(void) | |
3763 | { | |
3764 | return platform_driver_register(&omap_dispchw_driver); | |
3765 | } | |
3766 | ||
3767 | void dispc_uninit_platform_driver(void) | |
3768 | { | |
3769 | return platform_driver_unregister(&omap_dispchw_driver); | |
3770 | } |