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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> |
4fbafaf3 | 37 | #include <linux/pm_runtime.h> |
80c39712 TV |
38 | |
39 | #include <plat/sram.h> | |
40 | #include <plat/clock.h> | |
41 | ||
a0b38cc4 | 42 | #include <video/omapdss.h> |
80c39712 TV |
43 | |
44 | #include "dss.h" | |
a0acb557 | 45 | #include "dss_features.h" |
9b372c2d | 46 | #include "dispc.h" |
80c39712 TV |
47 | |
48 | /* DISPC */ | |
8613b000 | 49 | #define DISPC_SZ_REGS SZ_4K |
80c39712 | 50 | |
80c39712 TV |
51 | #define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ |
52 | DISPC_IRQ_OCP_ERR | \ | |
53 | DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ | |
54 | DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ | |
55 | DISPC_IRQ_SYNC_LOST | \ | |
56 | DISPC_IRQ_SYNC_LOST_DIGIT) | |
57 | ||
58 | #define DISPC_MAX_NR_ISRS 8 | |
59 | ||
60 | struct omap_dispc_isr_data { | |
61 | omap_dispc_isr_t isr; | |
62 | void *arg; | |
63 | u32 mask; | |
64 | }; | |
65 | ||
66be8f6c GI |
66 | struct dispc_h_coef { |
67 | s8 hc4; | |
68 | s8 hc3; | |
69 | u8 hc2; | |
70 | s8 hc1; | |
71 | s8 hc0; | |
72 | }; | |
73 | ||
74 | struct dispc_v_coef { | |
75 | s8 vc22; | |
76 | s8 vc2; | |
77 | u8 vc1; | |
78 | s8 vc0; | |
79 | s8 vc00; | |
80 | }; | |
81 | ||
5ed8cf5b TV |
82 | enum omap_burst_size { |
83 | BURST_SIZE_X2 = 0, | |
84 | BURST_SIZE_X4 = 1, | |
85 | BURST_SIZE_X8 = 2, | |
86 | }; | |
87 | ||
80c39712 TV |
88 | #define REG_GET(idx, start, end) \ |
89 | FLD_GET(dispc_read_reg(idx), start, end) | |
90 | ||
91 | #define REG_FLD_MOD(idx, val, start, end) \ | |
92 | dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end)) | |
93 | ||
dfc0fd8d TV |
94 | struct dispc_irq_stats { |
95 | unsigned long last_reset; | |
96 | unsigned irq_count; | |
97 | unsigned irqs[32]; | |
98 | }; | |
99 | ||
80c39712 | 100 | static struct { |
060b6d9c | 101 | struct platform_device *pdev; |
80c39712 | 102 | void __iomem *base; |
4fbafaf3 TV |
103 | |
104 | int ctx_loss_cnt; | |
105 | ||
affe360d | 106 | int irq; |
4fbafaf3 | 107 | struct clk *dss_clk; |
80c39712 | 108 | |
e13a138b | 109 | u32 fifo_size[MAX_DSS_OVERLAYS]; |
80c39712 TV |
110 | |
111 | spinlock_t irq_lock; | |
112 | u32 irq_error_mask; | |
113 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | |
114 | u32 error_irqs; | |
115 | struct work_struct error_work; | |
116 | ||
49ea86f3 | 117 | bool ctx_valid; |
80c39712 | 118 | u32 ctx[DISPC_SZ_REGS / sizeof(u32)]; |
dfc0fd8d TV |
119 | |
120 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | |
121 | spinlock_t irq_stats_lock; | |
122 | struct dispc_irq_stats irq_stats; | |
123 | #endif | |
80c39712 TV |
124 | } dispc; |
125 | ||
0d66cbb5 AJ |
126 | enum omap_color_component { |
127 | /* used for all color formats for OMAP3 and earlier | |
128 | * and for RGB and Y color component on OMAP4 | |
129 | */ | |
130 | DISPC_COLOR_COMPONENT_RGB_Y = 1 << 0, | |
131 | /* used for UV component for | |
132 | * OMAP_DSS_COLOR_YUV2, OMAP_DSS_COLOR_UYVY, OMAP_DSS_COLOR_NV12 | |
133 | * color formats on OMAP4 | |
134 | */ | |
135 | DISPC_COLOR_COMPONENT_UV = 1 << 1, | |
136 | }; | |
137 | ||
80c39712 TV |
138 | static void _omap_dispc_set_irqs(void); |
139 | ||
55978cc2 | 140 | static inline void dispc_write_reg(const u16 idx, u32 val) |
80c39712 | 141 | { |
55978cc2 | 142 | __raw_writel(val, dispc.base + idx); |
80c39712 TV |
143 | } |
144 | ||
55978cc2 | 145 | static inline u32 dispc_read_reg(const u16 idx) |
80c39712 | 146 | { |
55978cc2 | 147 | return __raw_readl(dispc.base + idx); |
80c39712 TV |
148 | } |
149 | ||
49ea86f3 TV |
150 | static int dispc_get_ctx_loss_count(void) |
151 | { | |
152 | struct device *dev = &dispc.pdev->dev; | |
153 | struct omap_display_platform_data *pdata = dev->platform_data; | |
154 | struct omap_dss_board_info *board_data = pdata->board_data; | |
155 | int cnt; | |
156 | ||
157 | if (!board_data->get_context_loss_count) | |
158 | return -ENOENT; | |
159 | ||
160 | cnt = board_data->get_context_loss_count(dev); | |
161 | ||
162 | WARN_ONCE(cnt < 0, "get_context_loss_count failed: %d\n", cnt); | |
163 | ||
164 | return cnt; | |
165 | } | |
166 | ||
80c39712 | 167 | #define SR(reg) \ |
55978cc2 | 168 | dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg) |
80c39712 | 169 | #define RR(reg) \ |
55978cc2 | 170 | dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)]) |
80c39712 | 171 | |
4fbafaf3 | 172 | static void dispc_save_context(void) |
80c39712 | 173 | { |
c6104b8e | 174 | int i, j; |
80c39712 | 175 | |
4fbafaf3 TV |
176 | DSSDBG("dispc_save_context\n"); |
177 | ||
80c39712 TV |
178 | SR(IRQENABLE); |
179 | SR(CONTROL); | |
180 | SR(CONFIG); | |
80c39712 | 181 | SR(LINE_NUMBER); |
332e9d70 TV |
182 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
183 | SR(GLOBAL_ALPHA); | |
2a205f34 SS |
184 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
185 | SR(CONTROL2); | |
2a205f34 SS |
186 | SR(CONFIG2); |
187 | } | |
80c39712 | 188 | |
c6104b8e AT |
189 | for (i = 0; i < dss_feat_get_num_mgrs(); i++) { |
190 | SR(DEFAULT_COLOR(i)); | |
191 | SR(TRANS_COLOR(i)); | |
192 | SR(SIZE_MGR(i)); | |
193 | if (i == OMAP_DSS_CHANNEL_DIGIT) | |
194 | continue; | |
195 | SR(TIMING_H(i)); | |
196 | SR(TIMING_V(i)); | |
197 | SR(POL_FREQ(i)); | |
198 | SR(DIVISORo(i)); | |
199 | ||
200 | SR(DATA_CYCLE1(i)); | |
201 | SR(DATA_CYCLE2(i)); | |
202 | SR(DATA_CYCLE3(i)); | |
203 | ||
332e9d70 | 204 | if (dss_has_feature(FEAT_CPR)) { |
c6104b8e AT |
205 | SR(CPR_COEF_R(i)); |
206 | SR(CPR_COEF_G(i)); | |
207 | SR(CPR_COEF_B(i)); | |
332e9d70 | 208 | } |
2a205f34 | 209 | } |
80c39712 | 210 | |
c6104b8e AT |
211 | for (i = 0; i < dss_feat_get_num_ovls(); i++) { |
212 | SR(OVL_BA0(i)); | |
213 | SR(OVL_BA1(i)); | |
214 | SR(OVL_POSITION(i)); | |
215 | SR(OVL_SIZE(i)); | |
216 | SR(OVL_ATTRIBUTES(i)); | |
217 | SR(OVL_FIFO_THRESHOLD(i)); | |
218 | SR(OVL_ROW_INC(i)); | |
219 | SR(OVL_PIXEL_INC(i)); | |
220 | if (dss_has_feature(FEAT_PRELOAD)) | |
221 | SR(OVL_PRELOAD(i)); | |
222 | if (i == OMAP_DSS_GFX) { | |
223 | SR(OVL_WINDOW_SKIP(i)); | |
224 | SR(OVL_TABLE_BA(i)); | |
225 | continue; | |
226 | } | |
227 | SR(OVL_FIR(i)); | |
228 | SR(OVL_PICTURE_SIZE(i)); | |
229 | SR(OVL_ACCU0(i)); | |
230 | SR(OVL_ACCU1(i)); | |
9b372c2d | 231 | |
c6104b8e AT |
232 | for (j = 0; j < 8; j++) |
233 | SR(OVL_FIR_COEF_H(i, j)); | |
ab5ca071 | 234 | |
c6104b8e AT |
235 | for (j = 0; j < 8; j++) |
236 | SR(OVL_FIR_COEF_HV(i, j)); | |
ab5ca071 | 237 | |
c6104b8e AT |
238 | for (j = 0; j < 5; j++) |
239 | SR(OVL_CONV_COEF(i, j)); | |
ab5ca071 | 240 | |
c6104b8e AT |
241 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
242 | for (j = 0; j < 8; j++) | |
243 | SR(OVL_FIR_COEF_V(i, j)); | |
244 | } | |
9b372c2d | 245 | |
c6104b8e AT |
246 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
247 | SR(OVL_BA0_UV(i)); | |
248 | SR(OVL_BA1_UV(i)); | |
249 | SR(OVL_FIR2(i)); | |
250 | SR(OVL_ACCU2_0(i)); | |
251 | SR(OVL_ACCU2_1(i)); | |
ab5ca071 | 252 | |
c6104b8e AT |
253 | for (j = 0; j < 8; j++) |
254 | SR(OVL_FIR_COEF_H2(i, j)); | |
ab5ca071 | 255 | |
c6104b8e AT |
256 | for (j = 0; j < 8; j++) |
257 | SR(OVL_FIR_COEF_HV2(i, j)); | |
ab5ca071 | 258 | |
c6104b8e AT |
259 | for (j = 0; j < 8; j++) |
260 | SR(OVL_FIR_COEF_V2(i, j)); | |
261 | } | |
262 | if (dss_has_feature(FEAT_ATTR2)) | |
263 | SR(OVL_ATTRIBUTES2(i)); | |
ab5ca071 | 264 | } |
0cf35df3 MR |
265 | |
266 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) | |
267 | SR(DIVISOR); | |
49ea86f3 TV |
268 | |
269 | dispc.ctx_loss_cnt = dispc_get_ctx_loss_count(); | |
270 | dispc.ctx_valid = true; | |
271 | ||
272 | DSSDBG("context saved, ctx_loss_count %d\n", dispc.ctx_loss_cnt); | |
80c39712 TV |
273 | } |
274 | ||
4fbafaf3 | 275 | static void dispc_restore_context(void) |
80c39712 | 276 | { |
c6104b8e | 277 | int i, j, ctx; |
4fbafaf3 TV |
278 | |
279 | DSSDBG("dispc_restore_context\n"); | |
280 | ||
49ea86f3 TV |
281 | if (!dispc.ctx_valid) |
282 | return; | |
283 | ||
284 | ctx = dispc_get_ctx_loss_count(); | |
285 | ||
286 | if (ctx >= 0 && ctx == dispc.ctx_loss_cnt) | |
287 | return; | |
288 | ||
289 | DSSDBG("ctx_loss_count: saved %d, current %d\n", | |
290 | dispc.ctx_loss_cnt, ctx); | |
291 | ||
75c7d59d | 292 | /*RR(IRQENABLE);*/ |
80c39712 TV |
293 | /*RR(CONTROL);*/ |
294 | RR(CONFIG); | |
80c39712 | 295 | RR(LINE_NUMBER); |
332e9d70 TV |
296 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
297 | RR(GLOBAL_ALPHA); | |
c6104b8e | 298 | if (dss_has_feature(FEAT_MGR_LCD2)) |
2a205f34 | 299 | RR(CONFIG2); |
80c39712 | 300 | |
c6104b8e AT |
301 | for (i = 0; i < dss_feat_get_num_mgrs(); i++) { |
302 | RR(DEFAULT_COLOR(i)); | |
303 | RR(TRANS_COLOR(i)); | |
304 | RR(SIZE_MGR(i)); | |
305 | if (i == OMAP_DSS_CHANNEL_DIGIT) | |
306 | continue; | |
307 | RR(TIMING_H(i)); | |
308 | RR(TIMING_V(i)); | |
309 | RR(POL_FREQ(i)); | |
310 | RR(DIVISORo(i)); | |
311 | ||
312 | RR(DATA_CYCLE1(i)); | |
313 | RR(DATA_CYCLE2(i)); | |
314 | RR(DATA_CYCLE3(i)); | |
2a205f34 | 315 | |
332e9d70 | 316 | if (dss_has_feature(FEAT_CPR)) { |
c6104b8e AT |
317 | RR(CPR_COEF_R(i)); |
318 | RR(CPR_COEF_G(i)); | |
319 | RR(CPR_COEF_B(i)); | |
332e9d70 | 320 | } |
2a205f34 | 321 | } |
80c39712 | 322 | |
c6104b8e AT |
323 | for (i = 0; i < dss_feat_get_num_ovls(); i++) { |
324 | RR(OVL_BA0(i)); | |
325 | RR(OVL_BA1(i)); | |
326 | RR(OVL_POSITION(i)); | |
327 | RR(OVL_SIZE(i)); | |
328 | RR(OVL_ATTRIBUTES(i)); | |
329 | RR(OVL_FIFO_THRESHOLD(i)); | |
330 | RR(OVL_ROW_INC(i)); | |
331 | RR(OVL_PIXEL_INC(i)); | |
332 | if (dss_has_feature(FEAT_PRELOAD)) | |
333 | RR(OVL_PRELOAD(i)); | |
334 | if (i == OMAP_DSS_GFX) { | |
335 | RR(OVL_WINDOW_SKIP(i)); | |
336 | RR(OVL_TABLE_BA(i)); | |
337 | continue; | |
338 | } | |
339 | RR(OVL_FIR(i)); | |
340 | RR(OVL_PICTURE_SIZE(i)); | |
341 | RR(OVL_ACCU0(i)); | |
342 | RR(OVL_ACCU1(i)); | |
9b372c2d | 343 | |
c6104b8e AT |
344 | for (j = 0; j < 8; j++) |
345 | RR(OVL_FIR_COEF_H(i, j)); | |
ab5ca071 | 346 | |
c6104b8e AT |
347 | for (j = 0; j < 8; j++) |
348 | RR(OVL_FIR_COEF_HV(i, j)); | |
ab5ca071 | 349 | |
c6104b8e AT |
350 | for (j = 0; j < 5; j++) |
351 | RR(OVL_CONV_COEF(i, j)); | |
ab5ca071 | 352 | |
c6104b8e AT |
353 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
354 | for (j = 0; j < 8; j++) | |
355 | RR(OVL_FIR_COEF_V(i, j)); | |
356 | } | |
9b372c2d | 357 | |
c6104b8e AT |
358 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { |
359 | RR(OVL_BA0_UV(i)); | |
360 | RR(OVL_BA1_UV(i)); | |
361 | RR(OVL_FIR2(i)); | |
362 | RR(OVL_ACCU2_0(i)); | |
363 | RR(OVL_ACCU2_1(i)); | |
ab5ca071 | 364 | |
c6104b8e AT |
365 | for (j = 0; j < 8; j++) |
366 | RR(OVL_FIR_COEF_H2(i, j)); | |
ab5ca071 | 367 | |
c6104b8e AT |
368 | for (j = 0; j < 8; j++) |
369 | RR(OVL_FIR_COEF_HV2(i, j)); | |
ab5ca071 | 370 | |
c6104b8e AT |
371 | for (j = 0; j < 8; j++) |
372 | RR(OVL_FIR_COEF_V2(i, j)); | |
373 | } | |
374 | if (dss_has_feature(FEAT_ATTR2)) | |
375 | RR(OVL_ATTRIBUTES2(i)); | |
ab5ca071 | 376 | } |
80c39712 | 377 | |
0cf35df3 MR |
378 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) |
379 | RR(DIVISOR); | |
380 | ||
80c39712 TV |
381 | /* enable last, because LCD & DIGIT enable are here */ |
382 | RR(CONTROL); | |
2a205f34 SS |
383 | if (dss_has_feature(FEAT_MGR_LCD2)) |
384 | RR(CONTROL2); | |
75c7d59d VS |
385 | /* clear spurious SYNC_LOST_DIGIT interrupts */ |
386 | dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT); | |
387 | ||
388 | /* | |
389 | * enable last so IRQs won't trigger before | |
390 | * the context is fully restored | |
391 | */ | |
392 | RR(IRQENABLE); | |
49ea86f3 TV |
393 | |
394 | DSSDBG("context restored\n"); | |
80c39712 TV |
395 | } |
396 | ||
397 | #undef SR | |
398 | #undef RR | |
399 | ||
4fbafaf3 TV |
400 | int dispc_runtime_get(void) |
401 | { | |
402 | int r; | |
403 | ||
404 | DSSDBG("dispc_runtime_get\n"); | |
405 | ||
406 | r = pm_runtime_get_sync(&dispc.pdev->dev); | |
407 | WARN_ON(r < 0); | |
408 | return r < 0 ? r : 0; | |
409 | } | |
410 | ||
411 | void dispc_runtime_put(void) | |
412 | { | |
413 | int r; | |
414 | ||
415 | DSSDBG("dispc_runtime_put\n"); | |
416 | ||
417 | r = pm_runtime_put(&dispc.pdev->dev); | |
418 | WARN_ON(r < 0); | |
80c39712 TV |
419 | } |
420 | ||
dac57a05 AT |
421 | static inline bool dispc_mgr_is_lcd(enum omap_channel channel) |
422 | { | |
423 | if (channel == OMAP_DSS_CHANNEL_LCD || | |
424 | channel == OMAP_DSS_CHANNEL_LCD2) | |
425 | return true; | |
426 | else | |
427 | return false; | |
428 | } | |
4fbafaf3 | 429 | |
c3dc6a7a AT |
430 | static struct omap_dss_device *dispc_mgr_get_device(enum omap_channel channel) |
431 | { | |
432 | struct omap_overlay_manager *mgr = | |
433 | omap_dss_get_overlay_manager(channel); | |
434 | ||
435 | return mgr ? mgr->device : NULL; | |
436 | } | |
437 | ||
26d9dd0d | 438 | bool dispc_mgr_go_busy(enum omap_channel channel) |
80c39712 TV |
439 | { |
440 | int bit; | |
441 | ||
dac57a05 | 442 | if (dispc_mgr_is_lcd(channel)) |
80c39712 TV |
443 | bit = 5; /* GOLCD */ |
444 | else | |
445 | bit = 6; /* GODIGIT */ | |
446 | ||
2a205f34 SS |
447 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
448 | return REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
449 | else | |
450 | return REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
80c39712 TV |
451 | } |
452 | ||
26d9dd0d | 453 | void dispc_mgr_go(enum omap_channel channel) |
80c39712 TV |
454 | { |
455 | int bit; | |
2a205f34 | 456 | bool enable_bit, go_bit; |
80c39712 | 457 | |
dac57a05 | 458 | if (dispc_mgr_is_lcd(channel)) |
80c39712 TV |
459 | bit = 0; /* LCDENABLE */ |
460 | else | |
461 | bit = 1; /* DIGITALENABLE */ | |
462 | ||
463 | /* if the channel is not enabled, we don't need GO */ | |
2a205f34 SS |
464 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
465 | enable_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
466 | else | |
467 | enable_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
468 | ||
469 | if (!enable_bit) | |
e6d80f95 | 470 | return; |
80c39712 | 471 | |
dac57a05 | 472 | if (dispc_mgr_is_lcd(channel)) |
80c39712 TV |
473 | bit = 5; /* GOLCD */ |
474 | else | |
475 | bit = 6; /* GODIGIT */ | |
476 | ||
2a205f34 SS |
477 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
478 | go_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1; | |
479 | else | |
480 | go_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1; | |
481 | ||
482 | if (go_bit) { | |
80c39712 | 483 | DSSERR("GO bit not down for channel %d\n", channel); |
e6d80f95 | 484 | return; |
80c39712 TV |
485 | } |
486 | ||
2a205f34 SS |
487 | DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" : |
488 | (channel == OMAP_DSS_CHANNEL_LCD2 ? "LCD2" : "DIGIT")); | |
80c39712 | 489 | |
2a205f34 SS |
490 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
491 | REG_FLD_MOD(DISPC_CONTROL2, 1, bit, bit); | |
492 | else | |
493 | REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit); | |
80c39712 TV |
494 | } |
495 | ||
f0e5caab | 496 | static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value) |
80c39712 | 497 | { |
9b372c2d | 498 | dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value); |
80c39712 TV |
499 | } |
500 | ||
f0e5caab | 501 | static void dispc_ovl_write_firhv_reg(enum omap_plane plane, int reg, u32 value) |
80c39712 | 502 | { |
9b372c2d | 503 | dispc_write_reg(DISPC_OVL_FIR_COEF_HV(plane, reg), value); |
80c39712 TV |
504 | } |
505 | ||
f0e5caab | 506 | static void dispc_ovl_write_firv_reg(enum omap_plane plane, int reg, u32 value) |
80c39712 | 507 | { |
9b372c2d | 508 | dispc_write_reg(DISPC_OVL_FIR_COEF_V(plane, reg), value); |
80c39712 TV |
509 | } |
510 | ||
f0e5caab | 511 | static void dispc_ovl_write_firh2_reg(enum omap_plane plane, int reg, u32 value) |
ab5ca071 AJ |
512 | { |
513 | BUG_ON(plane == OMAP_DSS_GFX); | |
514 | ||
515 | dispc_write_reg(DISPC_OVL_FIR_COEF_H2(plane, reg), value); | |
516 | } | |
517 | ||
f0e5caab TV |
518 | static void dispc_ovl_write_firhv2_reg(enum omap_plane plane, int reg, |
519 | u32 value) | |
ab5ca071 AJ |
520 | { |
521 | BUG_ON(plane == OMAP_DSS_GFX); | |
522 | ||
523 | dispc_write_reg(DISPC_OVL_FIR_COEF_HV2(plane, reg), value); | |
524 | } | |
525 | ||
f0e5caab | 526 | static void dispc_ovl_write_firv2_reg(enum omap_plane plane, int reg, u32 value) |
ab5ca071 AJ |
527 | { |
528 | BUG_ON(plane == OMAP_DSS_GFX); | |
529 | ||
530 | dispc_write_reg(DISPC_OVL_FIR_COEF_V2(plane, reg), value); | |
531 | } | |
532 | ||
f0e5caab | 533 | static void dispc_ovl_set_scale_coef(enum omap_plane plane, int hscaleup, |
0d66cbb5 AJ |
534 | int vscaleup, int five_taps, |
535 | enum omap_color_component color_comp) | |
80c39712 TV |
536 | { |
537 | /* Coefficients for horizontal up-sampling */ | |
66be8f6c GI |
538 | static const struct dispc_h_coef coef_hup[8] = { |
539 | { 0, 0, 128, 0, 0 }, | |
540 | { -1, 13, 124, -8, 0 }, | |
541 | { -2, 30, 112, -11, -1 }, | |
542 | { -5, 51, 95, -11, -2 }, | |
543 | { 0, -9, 73, 73, -9 }, | |
544 | { -2, -11, 95, 51, -5 }, | |
545 | { -1, -11, 112, 30, -2 }, | |
546 | { 0, -8, 124, 13, -1 }, | |
80c39712 TV |
547 | }; |
548 | ||
66be8f6c GI |
549 | /* Coefficients for vertical up-sampling */ |
550 | static const struct dispc_v_coef coef_vup_3tap[8] = { | |
551 | { 0, 0, 128, 0, 0 }, | |
552 | { 0, 3, 123, 2, 0 }, | |
553 | { 0, 12, 111, 5, 0 }, | |
554 | { 0, 32, 89, 7, 0 }, | |
555 | { 0, 0, 64, 64, 0 }, | |
556 | { 0, 7, 89, 32, 0 }, | |
557 | { 0, 5, 111, 12, 0 }, | |
558 | { 0, 2, 123, 3, 0 }, | |
80c39712 TV |
559 | }; |
560 | ||
66be8f6c GI |
561 | static const struct dispc_v_coef coef_vup_5tap[8] = { |
562 | { 0, 0, 128, 0, 0 }, | |
563 | { -1, 13, 124, -8, 0 }, | |
564 | { -2, 30, 112, -11, -1 }, | |
565 | { -5, 51, 95, -11, -2 }, | |
566 | { 0, -9, 73, 73, -9 }, | |
567 | { -2, -11, 95, 51, -5 }, | |
568 | { -1, -11, 112, 30, -2 }, | |
569 | { 0, -8, 124, 13, -1 }, | |
80c39712 TV |
570 | }; |
571 | ||
66be8f6c GI |
572 | /* Coefficients for horizontal down-sampling */ |
573 | static const struct dispc_h_coef coef_hdown[8] = { | |
574 | { 0, 36, 56, 36, 0 }, | |
575 | { 4, 40, 55, 31, -2 }, | |
576 | { 8, 44, 54, 27, -5 }, | |
577 | { 12, 48, 53, 22, -7 }, | |
578 | { -9, 17, 52, 51, 17 }, | |
579 | { -7, 22, 53, 48, 12 }, | |
580 | { -5, 27, 54, 44, 8 }, | |
581 | { -2, 31, 55, 40, 4 }, | |
80c39712 TV |
582 | }; |
583 | ||
66be8f6c GI |
584 | /* Coefficients for vertical down-sampling */ |
585 | static const struct dispc_v_coef coef_vdown_3tap[8] = { | |
586 | { 0, 36, 56, 36, 0 }, | |
587 | { 0, 40, 57, 31, 0 }, | |
588 | { 0, 45, 56, 27, 0 }, | |
589 | { 0, 50, 55, 23, 0 }, | |
590 | { 0, 18, 55, 55, 0 }, | |
591 | { 0, 23, 55, 50, 0 }, | |
592 | { 0, 27, 56, 45, 0 }, | |
593 | { 0, 31, 57, 40, 0 }, | |
80c39712 TV |
594 | }; |
595 | ||
66be8f6c GI |
596 | static const struct dispc_v_coef coef_vdown_5tap[8] = { |
597 | { 0, 36, 56, 36, 0 }, | |
598 | { 4, 40, 55, 31, -2 }, | |
599 | { 8, 44, 54, 27, -5 }, | |
600 | { 12, 48, 53, 22, -7 }, | |
601 | { -9, 17, 52, 51, 17 }, | |
602 | { -7, 22, 53, 48, 12 }, | |
603 | { -5, 27, 54, 44, 8 }, | |
604 | { -2, 31, 55, 40, 4 }, | |
80c39712 TV |
605 | }; |
606 | ||
66be8f6c GI |
607 | const struct dispc_h_coef *h_coef; |
608 | const struct dispc_v_coef *v_coef; | |
80c39712 TV |
609 | int i; |
610 | ||
611 | if (hscaleup) | |
612 | h_coef = coef_hup; | |
613 | else | |
614 | h_coef = coef_hdown; | |
615 | ||
66be8f6c GI |
616 | if (vscaleup) |
617 | v_coef = five_taps ? coef_vup_5tap : coef_vup_3tap; | |
618 | else | |
619 | v_coef = five_taps ? coef_vdown_5tap : coef_vdown_3tap; | |
80c39712 TV |
620 | |
621 | for (i = 0; i < 8; i++) { | |
622 | u32 h, hv; | |
623 | ||
66be8f6c GI |
624 | h = FLD_VAL(h_coef[i].hc0, 7, 0) |
625 | | FLD_VAL(h_coef[i].hc1, 15, 8) | |
626 | | FLD_VAL(h_coef[i].hc2, 23, 16) | |
627 | | FLD_VAL(h_coef[i].hc3, 31, 24); | |
628 | hv = FLD_VAL(h_coef[i].hc4, 7, 0) | |
629 | | FLD_VAL(v_coef[i].vc0, 15, 8) | |
630 | | FLD_VAL(v_coef[i].vc1, 23, 16) | |
631 | | FLD_VAL(v_coef[i].vc2, 31, 24); | |
80c39712 | 632 | |
0d66cbb5 | 633 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) { |
f0e5caab TV |
634 | dispc_ovl_write_firh_reg(plane, i, h); |
635 | dispc_ovl_write_firhv_reg(plane, i, hv); | |
0d66cbb5 | 636 | } else { |
f0e5caab TV |
637 | dispc_ovl_write_firh2_reg(plane, i, h); |
638 | dispc_ovl_write_firhv2_reg(plane, i, hv); | |
0d66cbb5 AJ |
639 | } |
640 | ||
80c39712 TV |
641 | } |
642 | ||
66be8f6c GI |
643 | if (five_taps) { |
644 | for (i = 0; i < 8; i++) { | |
645 | u32 v; | |
646 | v = FLD_VAL(v_coef[i].vc00, 7, 0) | |
647 | | FLD_VAL(v_coef[i].vc22, 15, 8); | |
0d66cbb5 | 648 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) |
f0e5caab | 649 | dispc_ovl_write_firv_reg(plane, i, v); |
0d66cbb5 | 650 | else |
f0e5caab | 651 | dispc_ovl_write_firv2_reg(plane, i, v); |
66be8f6c | 652 | } |
80c39712 TV |
653 | } |
654 | } | |
655 | ||
656 | static void _dispc_setup_color_conv_coef(void) | |
657 | { | |
ac01c29e | 658 | int i; |
80c39712 TV |
659 | const struct color_conv_coef { |
660 | int ry, rcr, rcb, gy, gcr, gcb, by, bcr, bcb; | |
661 | int full_range; | |
662 | } ctbl_bt601_5 = { | |
663 | 298, 409, 0, 298, -208, -100, 298, 0, 517, 0, | |
664 | }; | |
665 | ||
666 | const struct color_conv_coef *ct; | |
667 | ||
668 | #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0)) | |
669 | ||
670 | ct = &ctbl_bt601_5; | |
671 | ||
ac01c29e AT |
672 | for (i = 1; i < dss_feat_get_num_ovls(); i++) { |
673 | dispc_write_reg(DISPC_OVL_CONV_COEF(i, 0), | |
674 | CVAL(ct->rcr, ct->ry)); | |
675 | dispc_write_reg(DISPC_OVL_CONV_COEF(i, 1), | |
676 | CVAL(ct->gy, ct->rcb)); | |
677 | dispc_write_reg(DISPC_OVL_CONV_COEF(i, 2), | |
678 | CVAL(ct->gcb, ct->gcr)); | |
679 | dispc_write_reg(DISPC_OVL_CONV_COEF(i, 3), | |
680 | CVAL(ct->bcr, ct->by)); | |
681 | dispc_write_reg(DISPC_OVL_CONV_COEF(i, 4), | |
682 | CVAL(0, ct->bcb)); | |
683 | ||
684 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), ct->full_range, | |
685 | 11, 11); | |
686 | } | |
80c39712 TV |
687 | |
688 | #undef CVAL | |
80c39712 TV |
689 | } |
690 | ||
691 | ||
f0e5caab | 692 | static void dispc_ovl_set_ba0(enum omap_plane plane, u32 paddr) |
80c39712 | 693 | { |
9b372c2d | 694 | dispc_write_reg(DISPC_OVL_BA0(plane), paddr); |
80c39712 TV |
695 | } |
696 | ||
f0e5caab | 697 | static void dispc_ovl_set_ba1(enum omap_plane plane, u32 paddr) |
80c39712 | 698 | { |
9b372c2d | 699 | dispc_write_reg(DISPC_OVL_BA1(plane), paddr); |
80c39712 TV |
700 | } |
701 | ||
f0e5caab | 702 | static void dispc_ovl_set_ba0_uv(enum omap_plane plane, u32 paddr) |
ab5ca071 AJ |
703 | { |
704 | dispc_write_reg(DISPC_OVL_BA0_UV(plane), paddr); | |
705 | } | |
706 | ||
f0e5caab | 707 | static void dispc_ovl_set_ba1_uv(enum omap_plane plane, u32 paddr) |
ab5ca071 AJ |
708 | { |
709 | dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr); | |
710 | } | |
711 | ||
f0e5caab | 712 | static void dispc_ovl_set_pos(enum omap_plane plane, int x, int y) |
80c39712 | 713 | { |
80c39712 | 714 | u32 val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0); |
9b372c2d AT |
715 | |
716 | dispc_write_reg(DISPC_OVL_POSITION(plane), val); | |
80c39712 TV |
717 | } |
718 | ||
f0e5caab | 719 | static void dispc_ovl_set_pic_size(enum omap_plane plane, int width, int height) |
80c39712 | 720 | { |
80c39712 | 721 | u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); |
9b372c2d AT |
722 | |
723 | if (plane == OMAP_DSS_GFX) | |
724 | dispc_write_reg(DISPC_OVL_SIZE(plane), val); | |
725 | else | |
726 | dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val); | |
80c39712 TV |
727 | } |
728 | ||
f0e5caab | 729 | static void dispc_ovl_set_vid_size(enum omap_plane plane, int width, int height) |
80c39712 TV |
730 | { |
731 | u32 val; | |
80c39712 TV |
732 | |
733 | BUG_ON(plane == OMAP_DSS_GFX); | |
734 | ||
735 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
9b372c2d AT |
736 | |
737 | dispc_write_reg(DISPC_OVL_SIZE(plane), val); | |
80c39712 TV |
738 | } |
739 | ||
f0e5caab | 740 | static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane, bool enable) |
fd28a390 | 741 | { |
f6dc8150 | 742 | struct omap_overlay *ovl = omap_dss_get_overlay(plane); |
fd28a390 | 743 | |
f6dc8150 | 744 | if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0) |
fd28a390 R |
745 | return; |
746 | ||
9b372c2d | 747 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28); |
fd28a390 R |
748 | } |
749 | ||
f0e5caab | 750 | static void dispc_ovl_setup_global_alpha(enum omap_plane plane, u8 global_alpha) |
80c39712 | 751 | { |
fe3cc9d6 TV |
752 | static const unsigned shifts[] = { 0, 8, 16, }; |
753 | int shift; | |
f6dc8150 | 754 | struct omap_overlay *ovl = omap_dss_get_overlay(plane); |
fe3cc9d6 | 755 | |
f6dc8150 | 756 | if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0) |
fd28a390 | 757 | return; |
a0acb557 | 758 | |
fe3cc9d6 TV |
759 | shift = shifts[plane]; |
760 | REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift); | |
80c39712 TV |
761 | } |
762 | ||
f0e5caab | 763 | static void dispc_ovl_set_pix_inc(enum omap_plane plane, s32 inc) |
80c39712 | 764 | { |
9b372c2d | 765 | dispc_write_reg(DISPC_OVL_PIXEL_INC(plane), inc); |
80c39712 TV |
766 | } |
767 | ||
f0e5caab | 768 | static void dispc_ovl_set_row_inc(enum omap_plane plane, s32 inc) |
80c39712 | 769 | { |
9b372c2d | 770 | dispc_write_reg(DISPC_OVL_ROW_INC(plane), inc); |
80c39712 TV |
771 | } |
772 | ||
f0e5caab | 773 | static void dispc_ovl_set_color_mode(enum omap_plane plane, |
80c39712 TV |
774 | enum omap_color_mode color_mode) |
775 | { | |
776 | u32 m = 0; | |
f20e4220 AJ |
777 | if (plane != OMAP_DSS_GFX) { |
778 | switch (color_mode) { | |
779 | case OMAP_DSS_COLOR_NV12: | |
780 | m = 0x0; break; | |
781 | case OMAP_DSS_COLOR_RGB12U: | |
782 | m = 0x1; break; | |
783 | case OMAP_DSS_COLOR_RGBA16: | |
784 | m = 0x2; break; | |
785 | case OMAP_DSS_COLOR_RGBX16: | |
786 | m = 0x4; break; | |
787 | case OMAP_DSS_COLOR_ARGB16: | |
788 | m = 0x5; break; | |
789 | case OMAP_DSS_COLOR_RGB16: | |
790 | m = 0x6; break; | |
791 | case OMAP_DSS_COLOR_ARGB16_1555: | |
792 | m = 0x7; break; | |
793 | case OMAP_DSS_COLOR_RGB24U: | |
794 | m = 0x8; break; | |
795 | case OMAP_DSS_COLOR_RGB24P: | |
796 | m = 0x9; break; | |
797 | case OMAP_DSS_COLOR_YUV2: | |
798 | m = 0xa; break; | |
799 | case OMAP_DSS_COLOR_UYVY: | |
800 | m = 0xb; break; | |
801 | case OMAP_DSS_COLOR_ARGB32: | |
802 | m = 0xc; break; | |
803 | case OMAP_DSS_COLOR_RGBA32: | |
804 | m = 0xd; break; | |
805 | case OMAP_DSS_COLOR_RGBX32: | |
806 | m = 0xe; break; | |
807 | case OMAP_DSS_COLOR_XRGB16_1555: | |
808 | m = 0xf; break; | |
809 | default: | |
810 | BUG(); break; | |
811 | } | |
812 | } else { | |
813 | switch (color_mode) { | |
814 | case OMAP_DSS_COLOR_CLUT1: | |
815 | m = 0x0; break; | |
816 | case OMAP_DSS_COLOR_CLUT2: | |
817 | m = 0x1; break; | |
818 | case OMAP_DSS_COLOR_CLUT4: | |
819 | m = 0x2; break; | |
820 | case OMAP_DSS_COLOR_CLUT8: | |
821 | m = 0x3; break; | |
822 | case OMAP_DSS_COLOR_RGB12U: | |
823 | m = 0x4; break; | |
824 | case OMAP_DSS_COLOR_ARGB16: | |
825 | m = 0x5; break; | |
826 | case OMAP_DSS_COLOR_RGB16: | |
827 | m = 0x6; break; | |
828 | case OMAP_DSS_COLOR_ARGB16_1555: | |
829 | m = 0x7; break; | |
830 | case OMAP_DSS_COLOR_RGB24U: | |
831 | m = 0x8; break; | |
832 | case OMAP_DSS_COLOR_RGB24P: | |
833 | m = 0x9; break; | |
834 | case OMAP_DSS_COLOR_YUV2: | |
835 | m = 0xa; break; | |
836 | case OMAP_DSS_COLOR_UYVY: | |
837 | m = 0xb; break; | |
838 | case OMAP_DSS_COLOR_ARGB32: | |
839 | m = 0xc; break; | |
840 | case OMAP_DSS_COLOR_RGBA32: | |
841 | m = 0xd; break; | |
842 | case OMAP_DSS_COLOR_RGBX32: | |
843 | m = 0xe; break; | |
844 | case OMAP_DSS_COLOR_XRGB16_1555: | |
845 | m = 0xf; break; | |
846 | default: | |
847 | BUG(); break; | |
848 | } | |
80c39712 TV |
849 | } |
850 | ||
9b372c2d | 851 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1); |
80c39712 TV |
852 | } |
853 | ||
f0e5caab | 854 | static void dispc_ovl_set_channel_out(enum omap_plane plane, |
80c39712 TV |
855 | enum omap_channel channel) |
856 | { | |
857 | int shift; | |
858 | u32 val; | |
2a205f34 | 859 | int chan = 0, chan2 = 0; |
80c39712 TV |
860 | |
861 | switch (plane) { | |
862 | case OMAP_DSS_GFX: | |
863 | shift = 8; | |
864 | break; | |
865 | case OMAP_DSS_VIDEO1: | |
866 | case OMAP_DSS_VIDEO2: | |
867 | shift = 16; | |
868 | break; | |
869 | default: | |
870 | BUG(); | |
871 | return; | |
872 | } | |
873 | ||
9b372c2d | 874 | val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
2a205f34 SS |
875 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
876 | switch (channel) { | |
877 | case OMAP_DSS_CHANNEL_LCD: | |
878 | chan = 0; | |
879 | chan2 = 0; | |
880 | break; | |
881 | case OMAP_DSS_CHANNEL_DIGIT: | |
882 | chan = 1; | |
883 | chan2 = 0; | |
884 | break; | |
885 | case OMAP_DSS_CHANNEL_LCD2: | |
886 | chan = 0; | |
887 | chan2 = 1; | |
888 | break; | |
889 | default: | |
890 | BUG(); | |
891 | } | |
892 | ||
893 | val = FLD_MOD(val, chan, shift, shift); | |
894 | val = FLD_MOD(val, chan2, 31, 30); | |
895 | } else { | |
896 | val = FLD_MOD(val, channel, shift, shift); | |
897 | } | |
9b372c2d | 898 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
80c39712 TV |
899 | } |
900 | ||
f0e5caab | 901 | static void dispc_ovl_set_burst_size(enum omap_plane plane, |
80c39712 TV |
902 | enum omap_burst_size burst_size) |
903 | { | |
fe3cc9d6 | 904 | static const unsigned shifts[] = { 6, 14, 14, }; |
80c39712 | 905 | int shift; |
80c39712 | 906 | |
fe3cc9d6 | 907 | shift = shifts[plane]; |
5ed8cf5b | 908 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), burst_size, shift + 1, shift); |
80c39712 TV |
909 | } |
910 | ||
5ed8cf5b TV |
911 | static void dispc_configure_burst_sizes(void) |
912 | { | |
913 | int i; | |
914 | const int burst_size = BURST_SIZE_X8; | |
915 | ||
916 | /* Configure burst size always to maximum size */ | |
917 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) | |
f0e5caab | 918 | dispc_ovl_set_burst_size(i, burst_size); |
5ed8cf5b TV |
919 | } |
920 | ||
f0e5caab | 921 | u32 dispc_ovl_get_burst_size(enum omap_plane plane) |
5ed8cf5b TV |
922 | { |
923 | unsigned unit = dss_feat_get_burst_size_unit(); | |
924 | /* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */ | |
925 | return unit * 8; | |
926 | } | |
927 | ||
d3862610 M |
928 | void dispc_enable_gamma_table(bool enable) |
929 | { | |
930 | /* | |
931 | * This is partially implemented to support only disabling of | |
932 | * the gamma table. | |
933 | */ | |
934 | if (enable) { | |
935 | DSSWARN("Gamma table enabling for TV not yet supported"); | |
936 | return; | |
937 | } | |
938 | ||
939 | REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9); | |
940 | } | |
941 | ||
26d9dd0d | 942 | void dispc_mgr_enable_cpr(enum omap_channel channel, bool enable) |
3c07cae2 TV |
943 | { |
944 | u16 reg; | |
945 | ||
946 | if (channel == OMAP_DSS_CHANNEL_LCD) | |
947 | reg = DISPC_CONFIG; | |
948 | else if (channel == OMAP_DSS_CHANNEL_LCD2) | |
949 | reg = DISPC_CONFIG2; | |
950 | else | |
951 | return; | |
952 | ||
953 | REG_FLD_MOD(reg, enable, 15, 15); | |
954 | } | |
955 | ||
26d9dd0d | 956 | void dispc_mgr_set_cpr_coef(enum omap_channel channel, |
3c07cae2 TV |
957 | struct omap_dss_cpr_coefs *coefs) |
958 | { | |
959 | u32 coef_r, coef_g, coef_b; | |
960 | ||
dac57a05 | 961 | if (!dispc_mgr_is_lcd(channel)) |
3c07cae2 TV |
962 | return; |
963 | ||
964 | coef_r = FLD_VAL(coefs->rr, 31, 22) | FLD_VAL(coefs->rg, 20, 11) | | |
965 | FLD_VAL(coefs->rb, 9, 0); | |
966 | coef_g = FLD_VAL(coefs->gr, 31, 22) | FLD_VAL(coefs->gg, 20, 11) | | |
967 | FLD_VAL(coefs->gb, 9, 0); | |
968 | coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) | | |
969 | FLD_VAL(coefs->bb, 9, 0); | |
970 | ||
971 | dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r); | |
972 | dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g); | |
973 | dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b); | |
974 | } | |
975 | ||
f0e5caab | 976 | static void dispc_ovl_set_vid_color_conv(enum omap_plane plane, bool enable) |
80c39712 TV |
977 | { |
978 | u32 val; | |
979 | ||
980 | BUG_ON(plane == OMAP_DSS_GFX); | |
981 | ||
9b372c2d | 982 | val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
80c39712 | 983 | val = FLD_MOD(val, enable, 9, 9); |
9b372c2d | 984 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
80c39712 TV |
985 | } |
986 | ||
c3d92529 | 987 | static void dispc_ovl_enable_replication(enum omap_plane plane, bool enable) |
80c39712 | 988 | { |
fe3cc9d6 TV |
989 | static const unsigned shifts[] = { 5, 10, 10 }; |
990 | int shift; | |
80c39712 | 991 | |
fe3cc9d6 TV |
992 | shift = shifts[plane]; |
993 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift); | |
80c39712 TV |
994 | } |
995 | ||
26d9dd0d | 996 | void dispc_mgr_set_lcd_size(enum omap_channel channel, u16 width, u16 height) |
80c39712 TV |
997 | { |
998 | u32 val; | |
999 | BUG_ON((width > (1 << 11)) || (height > (1 << 11))); | |
1000 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
702d1448 | 1001 | dispc_write_reg(DISPC_SIZE_MGR(channel), val); |
80c39712 TV |
1002 | } |
1003 | ||
1004 | void dispc_set_digit_size(u16 width, u16 height) | |
1005 | { | |
1006 | u32 val; | |
1007 | BUG_ON((width > (1 << 11)) || (height > (1 << 11))); | |
1008 | val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0); | |
702d1448 | 1009 | dispc_write_reg(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT), val); |
80c39712 TV |
1010 | } |
1011 | ||
1012 | static void dispc_read_plane_fifo_sizes(void) | |
1013 | { | |
80c39712 TV |
1014 | u32 size; |
1015 | int plane; | |
a0acb557 | 1016 | u8 start, end; |
5ed8cf5b TV |
1017 | u32 unit; |
1018 | ||
1019 | unit = dss_feat_get_buffer_size_unit(); | |
80c39712 | 1020 | |
a0acb557 | 1021 | dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end); |
80c39712 | 1022 | |
e13a138b | 1023 | for (plane = 0; plane < dss_feat_get_num_ovls(); ++plane) { |
5ed8cf5b TV |
1024 | size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(plane), start, end); |
1025 | size *= unit; | |
80c39712 TV |
1026 | dispc.fifo_size[plane] = size; |
1027 | } | |
80c39712 TV |
1028 | } |
1029 | ||
f0e5caab | 1030 | u32 dispc_ovl_get_fifo_size(enum omap_plane plane) |
80c39712 TV |
1031 | { |
1032 | return dispc.fifo_size[plane]; | |
1033 | } | |
1034 | ||
c3d92529 AT |
1035 | static void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, |
1036 | u32 high) | |
80c39712 | 1037 | { |
a0acb557 | 1038 | u8 hi_start, hi_end, lo_start, lo_end; |
5ed8cf5b TV |
1039 | u32 unit; |
1040 | ||
1041 | unit = dss_feat_get_buffer_size_unit(); | |
1042 | ||
1043 | WARN_ON(low % unit != 0); | |
1044 | WARN_ON(high % unit != 0); | |
1045 | ||
1046 | low /= unit; | |
1047 | high /= unit; | |
a0acb557 | 1048 | |
9b372c2d AT |
1049 | dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end); |
1050 | dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end); | |
1051 | ||
80c39712 TV |
1052 | DSSDBG("fifo(%d) low/high old %u/%u, new %u/%u\n", |
1053 | plane, | |
9b372c2d AT |
1054 | REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), |
1055 | lo_start, lo_end), | |
1056 | REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), | |
1057 | hi_start, hi_end), | |
80c39712 TV |
1058 | low, high); |
1059 | ||
9b372c2d | 1060 | dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane), |
a0acb557 AT |
1061 | FLD_VAL(high, hi_start, hi_end) | |
1062 | FLD_VAL(low, lo_start, lo_end)); | |
80c39712 TV |
1063 | } |
1064 | ||
1065 | void dispc_enable_fifomerge(bool enable) | |
1066 | { | |
80c39712 TV |
1067 | DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled"); |
1068 | REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14); | |
80c39712 TV |
1069 | } |
1070 | ||
f0e5caab | 1071 | static void dispc_ovl_set_fir(enum omap_plane plane, |
0d66cbb5 AJ |
1072 | int hinc, int vinc, |
1073 | enum omap_color_component color_comp) | |
80c39712 TV |
1074 | { |
1075 | u32 val; | |
80c39712 | 1076 | |
0d66cbb5 AJ |
1077 | if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) { |
1078 | u8 hinc_start, hinc_end, vinc_start, vinc_end; | |
a0acb557 | 1079 | |
0d66cbb5 AJ |
1080 | dss_feat_get_reg_field(FEAT_REG_FIRHINC, |
1081 | &hinc_start, &hinc_end); | |
1082 | dss_feat_get_reg_field(FEAT_REG_FIRVINC, | |
1083 | &vinc_start, &vinc_end); | |
1084 | val = FLD_VAL(vinc, vinc_start, vinc_end) | | |
1085 | FLD_VAL(hinc, hinc_start, hinc_end); | |
a0acb557 | 1086 | |
0d66cbb5 AJ |
1087 | dispc_write_reg(DISPC_OVL_FIR(plane), val); |
1088 | } else { | |
1089 | val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0); | |
1090 | dispc_write_reg(DISPC_OVL_FIR2(plane), val); | |
1091 | } | |
80c39712 TV |
1092 | } |
1093 | ||
f0e5caab | 1094 | static void dispc_ovl_set_vid_accu0(enum omap_plane plane, int haccu, int vaccu) |
80c39712 TV |
1095 | { |
1096 | u32 val; | |
87a7484b | 1097 | u8 hor_start, hor_end, vert_start, vert_end; |
80c39712 | 1098 | |
87a7484b AT |
1099 | dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); |
1100 | dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); | |
1101 | ||
1102 | val = FLD_VAL(vaccu, vert_start, vert_end) | | |
1103 | FLD_VAL(haccu, hor_start, hor_end); | |
1104 | ||
9b372c2d | 1105 | dispc_write_reg(DISPC_OVL_ACCU0(plane), val); |
80c39712 TV |
1106 | } |
1107 | ||
f0e5caab | 1108 | static void dispc_ovl_set_vid_accu1(enum omap_plane plane, int haccu, int vaccu) |
80c39712 TV |
1109 | { |
1110 | u32 val; | |
87a7484b | 1111 | u8 hor_start, hor_end, vert_start, vert_end; |
80c39712 | 1112 | |
87a7484b AT |
1113 | dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); |
1114 | dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); | |
1115 | ||
1116 | val = FLD_VAL(vaccu, vert_start, vert_end) | | |
1117 | FLD_VAL(haccu, hor_start, hor_end); | |
1118 | ||
9b372c2d | 1119 | dispc_write_reg(DISPC_OVL_ACCU1(plane), val); |
80c39712 TV |
1120 | } |
1121 | ||
f0e5caab TV |
1122 | static void dispc_ovl_set_vid_accu2_0(enum omap_plane plane, int haccu, |
1123 | int vaccu) | |
ab5ca071 AJ |
1124 | { |
1125 | u32 val; | |
1126 | ||
1127 | val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0); | |
1128 | dispc_write_reg(DISPC_OVL_ACCU2_0(plane), val); | |
1129 | } | |
1130 | ||
f0e5caab TV |
1131 | static void dispc_ovl_set_vid_accu2_1(enum omap_plane plane, int haccu, |
1132 | int vaccu) | |
ab5ca071 AJ |
1133 | { |
1134 | u32 val; | |
1135 | ||
1136 | val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0); | |
1137 | dispc_write_reg(DISPC_OVL_ACCU2_1(plane), val); | |
1138 | } | |
80c39712 | 1139 | |
f0e5caab | 1140 | static void dispc_ovl_set_scale_param(enum omap_plane plane, |
80c39712 TV |
1141 | u16 orig_width, u16 orig_height, |
1142 | u16 out_width, u16 out_height, | |
0d66cbb5 AJ |
1143 | bool five_taps, u8 rotation, |
1144 | enum omap_color_component color_comp) | |
80c39712 | 1145 | { |
0d66cbb5 | 1146 | int fir_hinc, fir_vinc; |
80c39712 | 1147 | int hscaleup, vscaleup; |
80c39712 TV |
1148 | |
1149 | hscaleup = orig_width <= out_width; | |
1150 | vscaleup = orig_height <= out_height; | |
1151 | ||
f0e5caab TV |
1152 | dispc_ovl_set_scale_coef(plane, hscaleup, vscaleup, five_taps, |
1153 | color_comp); | |
80c39712 | 1154 | |
ed14a3ce AJ |
1155 | fir_hinc = 1024 * orig_width / out_width; |
1156 | fir_vinc = 1024 * orig_height / out_height; | |
80c39712 | 1157 | |
f0e5caab | 1158 | dispc_ovl_set_fir(plane, fir_hinc, fir_vinc, color_comp); |
0d66cbb5 AJ |
1159 | } |
1160 | ||
f0e5caab | 1161 | static void dispc_ovl_set_scaling_common(enum omap_plane plane, |
0d66cbb5 AJ |
1162 | u16 orig_width, u16 orig_height, |
1163 | u16 out_width, u16 out_height, | |
1164 | bool ilace, bool five_taps, | |
1165 | bool fieldmode, enum omap_color_mode color_mode, | |
1166 | u8 rotation) | |
1167 | { | |
1168 | int accu0 = 0; | |
1169 | int accu1 = 0; | |
1170 | u32 l; | |
80c39712 | 1171 | |
f0e5caab | 1172 | dispc_ovl_set_scale_param(plane, orig_width, orig_height, |
0d66cbb5 AJ |
1173 | out_width, out_height, five_taps, |
1174 | rotation, DISPC_COLOR_COMPONENT_RGB_Y); | |
9b372c2d | 1175 | l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); |
80c39712 | 1176 | |
87a7484b AT |
1177 | /* RESIZEENABLE and VERTICALTAPS */ |
1178 | l &= ~((0x3 << 5) | (0x1 << 21)); | |
ed14a3ce AJ |
1179 | l |= (orig_width != out_width) ? (1 << 5) : 0; |
1180 | l |= (orig_height != out_height) ? (1 << 6) : 0; | |
87a7484b | 1181 | l |= five_taps ? (1 << 21) : 0; |
80c39712 | 1182 | |
87a7484b AT |
1183 | /* VRESIZECONF and HRESIZECONF */ |
1184 | if (dss_has_feature(FEAT_RESIZECONF)) { | |
1185 | l &= ~(0x3 << 7); | |
0d66cbb5 AJ |
1186 | l |= (orig_width <= out_width) ? 0 : (1 << 7); |
1187 | l |= (orig_height <= out_height) ? 0 : (1 << 8); | |
87a7484b | 1188 | } |
80c39712 | 1189 | |
87a7484b AT |
1190 | /* LINEBUFFERSPLIT */ |
1191 | if (dss_has_feature(FEAT_LINEBUFFERSPLIT)) { | |
1192 | l &= ~(0x1 << 22); | |
1193 | l |= five_taps ? (1 << 22) : 0; | |
1194 | } | |
80c39712 | 1195 | |
9b372c2d | 1196 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l); |
80c39712 TV |
1197 | |
1198 | /* | |
1199 | * field 0 = even field = bottom field | |
1200 | * field 1 = odd field = top field | |
1201 | */ | |
1202 | if (ilace && !fieldmode) { | |
1203 | accu1 = 0; | |
0d66cbb5 | 1204 | accu0 = ((1024 * orig_height / out_height) / 2) & 0x3ff; |
80c39712 TV |
1205 | if (accu0 >= 1024/2) { |
1206 | accu1 = 1024/2; | |
1207 | accu0 -= accu1; | |
1208 | } | |
1209 | } | |
1210 | ||
f0e5caab TV |
1211 | dispc_ovl_set_vid_accu0(plane, 0, accu0); |
1212 | dispc_ovl_set_vid_accu1(plane, 0, accu1); | |
80c39712 TV |
1213 | } |
1214 | ||
f0e5caab | 1215 | static void dispc_ovl_set_scaling_uv(enum omap_plane plane, |
0d66cbb5 AJ |
1216 | u16 orig_width, u16 orig_height, |
1217 | u16 out_width, u16 out_height, | |
1218 | bool ilace, bool five_taps, | |
1219 | bool fieldmode, enum omap_color_mode color_mode, | |
1220 | u8 rotation) | |
1221 | { | |
1222 | int scale_x = out_width != orig_width; | |
1223 | int scale_y = out_height != orig_height; | |
1224 | ||
1225 | if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) | |
1226 | return; | |
1227 | if ((color_mode != OMAP_DSS_COLOR_YUV2 && | |
1228 | color_mode != OMAP_DSS_COLOR_UYVY && | |
1229 | color_mode != OMAP_DSS_COLOR_NV12)) { | |
1230 | /* reset chroma resampling for RGB formats */ | |
1231 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8); | |
1232 | return; | |
1233 | } | |
1234 | switch (color_mode) { | |
1235 | case OMAP_DSS_COLOR_NV12: | |
1236 | /* UV is subsampled by 2 vertically*/ | |
1237 | orig_height >>= 1; | |
1238 | /* UV is subsampled by 2 horz.*/ | |
1239 | orig_width >>= 1; | |
1240 | break; | |
1241 | case OMAP_DSS_COLOR_YUV2: | |
1242 | case OMAP_DSS_COLOR_UYVY: | |
1243 | /*For YUV422 with 90/270 rotation, | |
1244 | *we don't upsample chroma | |
1245 | */ | |
1246 | if (rotation == OMAP_DSS_ROT_0 || | |
1247 | rotation == OMAP_DSS_ROT_180) | |
1248 | /* UV is subsampled by 2 hrz*/ | |
1249 | orig_width >>= 1; | |
1250 | /* must use FIR for YUV422 if rotated */ | |
1251 | if (rotation != OMAP_DSS_ROT_0) | |
1252 | scale_x = scale_y = true; | |
1253 | break; | |
1254 | default: | |
1255 | BUG(); | |
1256 | } | |
1257 | ||
1258 | if (out_width != orig_width) | |
1259 | scale_x = true; | |
1260 | if (out_height != orig_height) | |
1261 | scale_y = true; | |
1262 | ||
f0e5caab | 1263 | dispc_ovl_set_scale_param(plane, orig_width, orig_height, |
0d66cbb5 AJ |
1264 | out_width, out_height, five_taps, |
1265 | rotation, DISPC_COLOR_COMPONENT_UV); | |
1266 | ||
1267 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), | |
1268 | (scale_x || scale_y) ? 1 : 0, 8, 8); | |
1269 | /* set H scaling */ | |
1270 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5); | |
1271 | /* set V scaling */ | |
1272 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6); | |
1273 | ||
f0e5caab TV |
1274 | dispc_ovl_set_vid_accu2_0(plane, 0x80, 0); |
1275 | dispc_ovl_set_vid_accu2_1(plane, 0x80, 0); | |
0d66cbb5 AJ |
1276 | } |
1277 | ||
f0e5caab | 1278 | static void dispc_ovl_set_scaling(enum omap_plane plane, |
0d66cbb5 AJ |
1279 | u16 orig_width, u16 orig_height, |
1280 | u16 out_width, u16 out_height, | |
1281 | bool ilace, bool five_taps, | |
1282 | bool fieldmode, enum omap_color_mode color_mode, | |
1283 | u8 rotation) | |
1284 | { | |
1285 | BUG_ON(plane == OMAP_DSS_GFX); | |
1286 | ||
f0e5caab | 1287 | dispc_ovl_set_scaling_common(plane, |
0d66cbb5 AJ |
1288 | orig_width, orig_height, |
1289 | out_width, out_height, | |
1290 | ilace, five_taps, | |
1291 | fieldmode, color_mode, | |
1292 | rotation); | |
1293 | ||
f0e5caab | 1294 | dispc_ovl_set_scaling_uv(plane, |
0d66cbb5 AJ |
1295 | orig_width, orig_height, |
1296 | out_width, out_height, | |
1297 | ilace, five_taps, | |
1298 | fieldmode, color_mode, | |
1299 | rotation); | |
1300 | } | |
1301 | ||
f0e5caab | 1302 | static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation, |
80c39712 TV |
1303 | bool mirroring, enum omap_color_mode color_mode) |
1304 | { | |
87a7484b AT |
1305 | bool row_repeat = false; |
1306 | int vidrot = 0; | |
1307 | ||
80c39712 TV |
1308 | if (color_mode == OMAP_DSS_COLOR_YUV2 || |
1309 | color_mode == OMAP_DSS_COLOR_UYVY) { | |
80c39712 TV |
1310 | |
1311 | if (mirroring) { | |
1312 | switch (rotation) { | |
1313 | case OMAP_DSS_ROT_0: | |
1314 | vidrot = 2; | |
1315 | break; | |
1316 | case OMAP_DSS_ROT_90: | |
1317 | vidrot = 1; | |
1318 | break; | |
1319 | case OMAP_DSS_ROT_180: | |
1320 | vidrot = 0; | |
1321 | break; | |
1322 | case OMAP_DSS_ROT_270: | |
1323 | vidrot = 3; | |
1324 | break; | |
1325 | } | |
1326 | } else { | |
1327 | switch (rotation) { | |
1328 | case OMAP_DSS_ROT_0: | |
1329 | vidrot = 0; | |
1330 | break; | |
1331 | case OMAP_DSS_ROT_90: | |
1332 | vidrot = 1; | |
1333 | break; | |
1334 | case OMAP_DSS_ROT_180: | |
1335 | vidrot = 2; | |
1336 | break; | |
1337 | case OMAP_DSS_ROT_270: | |
1338 | vidrot = 3; | |
1339 | break; | |
1340 | } | |
1341 | } | |
1342 | ||
80c39712 | 1343 | if (rotation == OMAP_DSS_ROT_90 || rotation == OMAP_DSS_ROT_270) |
87a7484b | 1344 | row_repeat = true; |
80c39712 | 1345 | else |
87a7484b | 1346 | row_repeat = false; |
80c39712 | 1347 | } |
87a7484b | 1348 | |
9b372c2d | 1349 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12); |
87a7484b | 1350 | if (dss_has_feature(FEAT_ROWREPEATENABLE)) |
9b372c2d AT |
1351 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), |
1352 | row_repeat ? 1 : 0, 18, 18); | |
80c39712 TV |
1353 | } |
1354 | ||
1355 | static int color_mode_to_bpp(enum omap_color_mode color_mode) | |
1356 | { | |
1357 | switch (color_mode) { | |
1358 | case OMAP_DSS_COLOR_CLUT1: | |
1359 | return 1; | |
1360 | case OMAP_DSS_COLOR_CLUT2: | |
1361 | return 2; | |
1362 | case OMAP_DSS_COLOR_CLUT4: | |
1363 | return 4; | |
1364 | case OMAP_DSS_COLOR_CLUT8: | |
f20e4220 | 1365 | case OMAP_DSS_COLOR_NV12: |
80c39712 TV |
1366 | return 8; |
1367 | case OMAP_DSS_COLOR_RGB12U: | |
1368 | case OMAP_DSS_COLOR_RGB16: | |
1369 | case OMAP_DSS_COLOR_ARGB16: | |
1370 | case OMAP_DSS_COLOR_YUV2: | |
1371 | case OMAP_DSS_COLOR_UYVY: | |
f20e4220 AJ |
1372 | case OMAP_DSS_COLOR_RGBA16: |
1373 | case OMAP_DSS_COLOR_RGBX16: | |
1374 | case OMAP_DSS_COLOR_ARGB16_1555: | |
1375 | case OMAP_DSS_COLOR_XRGB16_1555: | |
80c39712 TV |
1376 | return 16; |
1377 | case OMAP_DSS_COLOR_RGB24P: | |
1378 | return 24; | |
1379 | case OMAP_DSS_COLOR_RGB24U: | |
1380 | case OMAP_DSS_COLOR_ARGB32: | |
1381 | case OMAP_DSS_COLOR_RGBA32: | |
1382 | case OMAP_DSS_COLOR_RGBX32: | |
1383 | return 32; | |
1384 | default: | |
1385 | BUG(); | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | static s32 pixinc(int pixels, u8 ps) | |
1390 | { | |
1391 | if (pixels == 1) | |
1392 | return 1; | |
1393 | else if (pixels > 1) | |
1394 | return 1 + (pixels - 1) * ps; | |
1395 | else if (pixels < 0) | |
1396 | return 1 - (-pixels + 1) * ps; | |
1397 | else | |
1398 | BUG(); | |
1399 | } | |
1400 | ||
1401 | static void calc_vrfb_rotation_offset(u8 rotation, bool mirror, | |
1402 | u16 screen_width, | |
1403 | u16 width, u16 height, | |
1404 | enum omap_color_mode color_mode, bool fieldmode, | |
1405 | unsigned int field_offset, | |
1406 | unsigned *offset0, unsigned *offset1, | |
1407 | s32 *row_inc, s32 *pix_inc) | |
1408 | { | |
1409 | u8 ps; | |
1410 | ||
1411 | /* FIXME CLUT formats */ | |
1412 | switch (color_mode) { | |
1413 | case OMAP_DSS_COLOR_CLUT1: | |
1414 | case OMAP_DSS_COLOR_CLUT2: | |
1415 | case OMAP_DSS_COLOR_CLUT4: | |
1416 | case OMAP_DSS_COLOR_CLUT8: | |
1417 | BUG(); | |
1418 | return; | |
1419 | case OMAP_DSS_COLOR_YUV2: | |
1420 | case OMAP_DSS_COLOR_UYVY: | |
1421 | ps = 4; | |
1422 | break; | |
1423 | default: | |
1424 | ps = color_mode_to_bpp(color_mode) / 8; | |
1425 | break; | |
1426 | } | |
1427 | ||
1428 | DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width, | |
1429 | width, height); | |
1430 | ||
1431 | /* | |
1432 | * field 0 = even field = bottom field | |
1433 | * field 1 = odd field = top field | |
1434 | */ | |
1435 | switch (rotation + mirror * 4) { | |
1436 | case OMAP_DSS_ROT_0: | |
1437 | case OMAP_DSS_ROT_180: | |
1438 | /* | |
1439 | * If the pixel format is YUV or UYVY divide the width | |
1440 | * of the image by 2 for 0 and 180 degree rotation. | |
1441 | */ | |
1442 | if (color_mode == OMAP_DSS_COLOR_YUV2 || | |
1443 | color_mode == OMAP_DSS_COLOR_UYVY) | |
1444 | width = width >> 1; | |
1445 | case OMAP_DSS_ROT_90: | |
1446 | case OMAP_DSS_ROT_270: | |
1447 | *offset1 = 0; | |
1448 | if (field_offset) | |
1449 | *offset0 = field_offset * screen_width * ps; | |
1450 | else | |
1451 | *offset0 = 0; | |
1452 | ||
1453 | *row_inc = pixinc(1 + (screen_width - width) + | |
1454 | (fieldmode ? screen_width : 0), | |
1455 | ps); | |
1456 | *pix_inc = pixinc(1, ps); | |
1457 | break; | |
1458 | ||
1459 | case OMAP_DSS_ROT_0 + 4: | |
1460 | case OMAP_DSS_ROT_180 + 4: | |
1461 | /* If the pixel format is YUV or UYVY divide the width | |
1462 | * of the image by 2 for 0 degree and 180 degree | |
1463 | */ | |
1464 | if (color_mode == OMAP_DSS_COLOR_YUV2 || | |
1465 | color_mode == OMAP_DSS_COLOR_UYVY) | |
1466 | width = width >> 1; | |
1467 | case OMAP_DSS_ROT_90 + 4: | |
1468 | case OMAP_DSS_ROT_270 + 4: | |
1469 | *offset1 = 0; | |
1470 | if (field_offset) | |
1471 | *offset0 = field_offset * screen_width * ps; | |
1472 | else | |
1473 | *offset0 = 0; | |
1474 | *row_inc = pixinc(1 - (screen_width + width) - | |
1475 | (fieldmode ? screen_width : 0), | |
1476 | ps); | |
1477 | *pix_inc = pixinc(1, ps); | |
1478 | break; | |
1479 | ||
1480 | default: | |
1481 | BUG(); | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | static void calc_dma_rotation_offset(u8 rotation, bool mirror, | |
1486 | u16 screen_width, | |
1487 | u16 width, u16 height, | |
1488 | enum omap_color_mode color_mode, bool fieldmode, | |
1489 | unsigned int field_offset, | |
1490 | unsigned *offset0, unsigned *offset1, | |
1491 | s32 *row_inc, s32 *pix_inc) | |
1492 | { | |
1493 | u8 ps; | |
1494 | u16 fbw, fbh; | |
1495 | ||
1496 | /* FIXME CLUT formats */ | |
1497 | switch (color_mode) { | |
1498 | case OMAP_DSS_COLOR_CLUT1: | |
1499 | case OMAP_DSS_COLOR_CLUT2: | |
1500 | case OMAP_DSS_COLOR_CLUT4: | |
1501 | case OMAP_DSS_COLOR_CLUT8: | |
1502 | BUG(); | |
1503 | return; | |
1504 | default: | |
1505 | ps = color_mode_to_bpp(color_mode) / 8; | |
1506 | break; | |
1507 | } | |
1508 | ||
1509 | DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width, | |
1510 | width, height); | |
1511 | ||
1512 | /* width & height are overlay sizes, convert to fb sizes */ | |
1513 | ||
1514 | if (rotation == OMAP_DSS_ROT_0 || rotation == OMAP_DSS_ROT_180) { | |
1515 | fbw = width; | |
1516 | fbh = height; | |
1517 | } else { | |
1518 | fbw = height; | |
1519 | fbh = width; | |
1520 | } | |
1521 | ||
1522 | /* | |
1523 | * field 0 = even field = bottom field | |
1524 | * field 1 = odd field = top field | |
1525 | */ | |
1526 | switch (rotation + mirror * 4) { | |
1527 | case OMAP_DSS_ROT_0: | |
1528 | *offset1 = 0; | |
1529 | if (field_offset) | |
1530 | *offset0 = *offset1 + field_offset * screen_width * ps; | |
1531 | else | |
1532 | *offset0 = *offset1; | |
1533 | *row_inc = pixinc(1 + (screen_width - fbw) + | |
1534 | (fieldmode ? screen_width : 0), | |
1535 | ps); | |
1536 | *pix_inc = pixinc(1, ps); | |
1537 | break; | |
1538 | case OMAP_DSS_ROT_90: | |
1539 | *offset1 = screen_width * (fbh - 1) * ps; | |
1540 | if (field_offset) | |
1541 | *offset0 = *offset1 + field_offset * ps; | |
1542 | else | |
1543 | *offset0 = *offset1; | |
1544 | *row_inc = pixinc(screen_width * (fbh - 1) + 1 + | |
1545 | (fieldmode ? 1 : 0), ps); | |
1546 | *pix_inc = pixinc(-screen_width, ps); | |
1547 | break; | |
1548 | case OMAP_DSS_ROT_180: | |
1549 | *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; | |
1550 | if (field_offset) | |
1551 | *offset0 = *offset1 - field_offset * screen_width * ps; | |
1552 | else | |
1553 | *offset0 = *offset1; | |
1554 | *row_inc = pixinc(-1 - | |
1555 | (screen_width - fbw) - | |
1556 | (fieldmode ? screen_width : 0), | |
1557 | ps); | |
1558 | *pix_inc = pixinc(-1, ps); | |
1559 | break; | |
1560 | case OMAP_DSS_ROT_270: | |
1561 | *offset1 = (fbw - 1) * ps; | |
1562 | if (field_offset) | |
1563 | *offset0 = *offset1 - field_offset * ps; | |
1564 | else | |
1565 | *offset0 = *offset1; | |
1566 | *row_inc = pixinc(-screen_width * (fbh - 1) - 1 - | |
1567 | (fieldmode ? 1 : 0), ps); | |
1568 | *pix_inc = pixinc(screen_width, ps); | |
1569 | break; | |
1570 | ||
1571 | /* mirroring */ | |
1572 | case OMAP_DSS_ROT_0 + 4: | |
1573 | *offset1 = (fbw - 1) * ps; | |
1574 | if (field_offset) | |
1575 | *offset0 = *offset1 + field_offset * screen_width * ps; | |
1576 | else | |
1577 | *offset0 = *offset1; | |
1578 | *row_inc = pixinc(screen_width * 2 - 1 + | |
1579 | (fieldmode ? screen_width : 0), | |
1580 | ps); | |
1581 | *pix_inc = pixinc(-1, ps); | |
1582 | break; | |
1583 | ||
1584 | case OMAP_DSS_ROT_90 + 4: | |
1585 | *offset1 = 0; | |
1586 | if (field_offset) | |
1587 | *offset0 = *offset1 + field_offset * ps; | |
1588 | else | |
1589 | *offset0 = *offset1; | |
1590 | *row_inc = pixinc(-screen_width * (fbh - 1) + 1 + | |
1591 | (fieldmode ? 1 : 0), | |
1592 | ps); | |
1593 | *pix_inc = pixinc(screen_width, ps); | |
1594 | break; | |
1595 | ||
1596 | case OMAP_DSS_ROT_180 + 4: | |
1597 | *offset1 = screen_width * (fbh - 1) * ps; | |
1598 | if (field_offset) | |
1599 | *offset0 = *offset1 - field_offset * screen_width * ps; | |
1600 | else | |
1601 | *offset0 = *offset1; | |
1602 | *row_inc = pixinc(1 - screen_width * 2 - | |
1603 | (fieldmode ? screen_width : 0), | |
1604 | ps); | |
1605 | *pix_inc = pixinc(1, ps); | |
1606 | break; | |
1607 | ||
1608 | case OMAP_DSS_ROT_270 + 4: | |
1609 | *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; | |
1610 | if (field_offset) | |
1611 | *offset0 = *offset1 - field_offset * ps; | |
1612 | else | |
1613 | *offset0 = *offset1; | |
1614 | *row_inc = pixinc(screen_width * (fbh - 1) - 1 - | |
1615 | (fieldmode ? 1 : 0), | |
1616 | ps); | |
1617 | *pix_inc = pixinc(-screen_width, ps); | |
1618 | break; | |
1619 | ||
1620 | default: | |
1621 | BUG(); | |
1622 | } | |
1623 | } | |
1624 | ||
ff1b2cde SS |
1625 | static unsigned long calc_fclk_five_taps(enum omap_channel channel, u16 width, |
1626 | u16 height, u16 out_width, u16 out_height, | |
1627 | enum omap_color_mode color_mode) | |
80c39712 TV |
1628 | { |
1629 | u32 fclk = 0; | |
26d9dd0d | 1630 | u64 tmp, pclk = dispc_mgr_pclk_rate(channel); |
80c39712 TV |
1631 | |
1632 | if (height > out_height) { | |
ebdc5249 AT |
1633 | struct omap_dss_device *dssdev = dispc_mgr_get_device(channel); |
1634 | unsigned int ppl = dssdev->panel.timings.x_res; | |
80c39712 TV |
1635 | |
1636 | tmp = pclk * height * out_width; | |
1637 | do_div(tmp, 2 * out_height * ppl); | |
1638 | fclk = tmp; | |
1639 | ||
2d9c5597 VS |
1640 | if (height > 2 * out_height) { |
1641 | if (ppl == out_width) | |
1642 | return 0; | |
1643 | ||
80c39712 TV |
1644 | tmp = pclk * (height - 2 * out_height) * out_width; |
1645 | do_div(tmp, 2 * out_height * (ppl - out_width)); | |
1646 | fclk = max(fclk, (u32) tmp); | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | if (width > out_width) { | |
1651 | tmp = pclk * width; | |
1652 | do_div(tmp, out_width); | |
1653 | fclk = max(fclk, (u32) tmp); | |
1654 | ||
1655 | if (color_mode == OMAP_DSS_COLOR_RGB24U) | |
1656 | fclk <<= 1; | |
1657 | } | |
1658 | ||
1659 | return fclk; | |
1660 | } | |
1661 | ||
ff1b2cde SS |
1662 | static unsigned long calc_fclk(enum omap_channel channel, u16 width, |
1663 | u16 height, u16 out_width, u16 out_height) | |
80c39712 TV |
1664 | { |
1665 | unsigned int hf, vf; | |
1666 | ||
1667 | /* | |
1668 | * FIXME how to determine the 'A' factor | |
1669 | * for the no downscaling case ? | |
1670 | */ | |
1671 | ||
1672 | if (width > 3 * out_width) | |
1673 | hf = 4; | |
1674 | else if (width > 2 * out_width) | |
1675 | hf = 3; | |
1676 | else if (width > out_width) | |
1677 | hf = 2; | |
1678 | else | |
1679 | hf = 1; | |
1680 | ||
1681 | if (height > out_height) | |
1682 | vf = 2; | |
1683 | else | |
1684 | vf = 1; | |
1685 | ||
26d9dd0d | 1686 | return dispc_mgr_pclk_rate(channel) * vf * hf; |
80c39712 TV |
1687 | } |
1688 | ||
79ad75f2 AT |
1689 | static int dispc_ovl_calc_scaling(enum omap_plane plane, |
1690 | enum omap_channel channel, u16 width, u16 height, | |
1691 | u16 out_width, u16 out_height, | |
1692 | enum omap_color_mode color_mode, bool *five_taps) | |
1693 | { | |
1694 | struct omap_overlay *ovl = omap_dss_get_overlay(plane); | |
0373cac6 | 1695 | const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE); |
79ad75f2 AT |
1696 | unsigned long fclk = 0; |
1697 | ||
1698 | if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { | |
1699 | if (width != out_width || height != out_height) | |
1700 | return -EINVAL; | |
1701 | else | |
1702 | return 0; | |
1703 | } | |
1704 | ||
1705 | if (out_width < width / maxdownscale || | |
1706 | out_width > width * 8) | |
1707 | return -EINVAL; | |
1708 | ||
1709 | if (out_height < height / maxdownscale || | |
1710 | out_height > height * 8) | |
1711 | return -EINVAL; | |
1712 | ||
1713 | /* Must use 5-tap filter? */ | |
1714 | *five_taps = height > out_height * 2; | |
1715 | ||
1716 | if (!*five_taps) { | |
1717 | fclk = calc_fclk(channel, width, height, out_width, | |
1718 | out_height); | |
1719 | ||
1720 | /* Try 5-tap filter if 3-tap fclk is too high */ | |
1721 | if (cpu_is_omap34xx() && height > out_height && | |
1722 | fclk > dispc_fclk_rate()) | |
1723 | *five_taps = true; | |
1724 | } | |
1725 | ||
1726 | if (width > (2048 >> *five_taps)) { | |
1727 | DSSERR("failed to set up scaling, fclk too low\n"); | |
1728 | return -EINVAL; | |
1729 | } | |
1730 | ||
1731 | if (*five_taps) | |
1732 | fclk = calc_fclk_five_taps(channel, width, height, | |
1733 | out_width, out_height, color_mode); | |
1734 | ||
1735 | DSSDBG("required fclk rate = %lu Hz\n", fclk); | |
1736 | DSSDBG("current fclk rate = %lu Hz\n", dispc_fclk_rate()); | |
1737 | ||
1738 | if (!fclk || fclk > dispc_fclk_rate()) { | |
1739 | DSSERR("failed to set up scaling, " | |
1740 | "required fclk rate = %lu Hz, " | |
1741 | "current fclk rate = %lu Hz\n", | |
1742 | fclk, dispc_fclk_rate()); | |
1743 | return -EINVAL; | |
1744 | } | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
a4273b7c | 1749 | int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi, |
c3d92529 AT |
1750 | bool ilace, enum omap_channel channel, bool replication, |
1751 | u32 fifo_low, u32 fifo_high) | |
80c39712 | 1752 | { |
79ad75f2 AT |
1753 | struct omap_overlay *ovl = omap_dss_get_overlay(plane); |
1754 | bool five_taps = false; | |
80c39712 | 1755 | bool fieldmode = 0; |
79ad75f2 | 1756 | int r, cconv = 0; |
80c39712 TV |
1757 | unsigned offset0, offset1; |
1758 | s32 row_inc; | |
1759 | s32 pix_inc; | |
a4273b7c | 1760 | u16 frame_height = oi->height; |
80c39712 TV |
1761 | unsigned int field_offset = 0; |
1762 | ||
a4273b7c | 1763 | DSSDBG("dispc_ovl_setup %d, pa %x, pa_uv %x, sw %d, %d,%d, %dx%d -> " |
c3d92529 AT |
1764 | "%dx%d, cmode %x, rot %d, mir %d, ilace %d chan %d repl %d " |
1765 | "fifo_low %d fifo high %d\n", plane, oi->paddr, oi->p_uv_addr, | |
1766 | oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height, | |
1767 | oi->out_width, oi->out_height, oi->color_mode, oi->rotation, | |
1768 | oi->mirror, ilace, channel, replication, fifo_low, fifo_high); | |
e6d80f95 | 1769 | |
a4273b7c | 1770 | if (oi->paddr == 0) |
80c39712 TV |
1771 | return -EINVAL; |
1772 | ||
a4273b7c | 1773 | if (ilace && oi->height == oi->out_height) |
80c39712 TV |
1774 | fieldmode = 1; |
1775 | ||
1776 | if (ilace) { | |
1777 | if (fieldmode) | |
a4273b7c AT |
1778 | oi->height /= 2; |
1779 | oi->pos_y /= 2; | |
1780 | oi->out_height /= 2; | |
80c39712 TV |
1781 | |
1782 | DSSDBG("adjusting for ilace: height %d, pos_y %d, " | |
1783 | "out_height %d\n", | |
a4273b7c | 1784 | oi->height, oi->pos_y, oi->out_height); |
80c39712 TV |
1785 | } |
1786 | ||
a4273b7c | 1787 | if (!dss_feat_color_mode_supported(plane, oi->color_mode)) |
8dad2ab6 AT |
1788 | return -EINVAL; |
1789 | ||
79ad75f2 AT |
1790 | r = dispc_ovl_calc_scaling(plane, channel, oi->width, oi->height, |
1791 | oi->out_width, oi->out_height, oi->color_mode, | |
1792 | &five_taps); | |
1793 | if (r) | |
1794 | return r; | |
80c39712 | 1795 | |
79ad75f2 AT |
1796 | if (oi->color_mode == OMAP_DSS_COLOR_YUV2 || |
1797 | oi->color_mode == OMAP_DSS_COLOR_UYVY || | |
1798 | oi->color_mode == OMAP_DSS_COLOR_NV12) | |
1799 | cconv = 1; | |
80c39712 TV |
1800 | |
1801 | if (ilace && !fieldmode) { | |
1802 | /* | |
1803 | * when downscaling the bottom field may have to start several | |
1804 | * source lines below the top field. Unfortunately ACCUI | |
1805 | * registers will only hold the fractional part of the offset | |
1806 | * so the integer part must be added to the base address of the | |
1807 | * bottom field. | |
1808 | */ | |
a4273b7c | 1809 | if (!oi->height || oi->height == oi->out_height) |
80c39712 TV |
1810 | field_offset = 0; |
1811 | else | |
a4273b7c | 1812 | field_offset = oi->height / oi->out_height / 2; |
80c39712 TV |
1813 | } |
1814 | ||
1815 | /* Fields are independent but interleaved in memory. */ | |
1816 | if (fieldmode) | |
1817 | field_offset = 1; | |
1818 | ||
a4273b7c AT |
1819 | if (oi->rotation_type == OMAP_DSS_ROT_DMA) |
1820 | calc_dma_rotation_offset(oi->rotation, oi->mirror, | |
1821 | oi->screen_width, oi->width, frame_height, | |
1822 | oi->color_mode, fieldmode, field_offset, | |
80c39712 TV |
1823 | &offset0, &offset1, &row_inc, &pix_inc); |
1824 | else | |
a4273b7c AT |
1825 | calc_vrfb_rotation_offset(oi->rotation, oi->mirror, |
1826 | oi->screen_width, oi->width, frame_height, | |
1827 | oi->color_mode, fieldmode, field_offset, | |
80c39712 TV |
1828 | &offset0, &offset1, &row_inc, &pix_inc); |
1829 | ||
1830 | DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n", | |
1831 | offset0, offset1, row_inc, pix_inc); | |
1832 | ||
a4273b7c | 1833 | dispc_ovl_set_color_mode(plane, oi->color_mode); |
80c39712 | 1834 | |
a4273b7c AT |
1835 | dispc_ovl_set_ba0(plane, oi->paddr + offset0); |
1836 | dispc_ovl_set_ba1(plane, oi->paddr + offset1); | |
80c39712 | 1837 | |
a4273b7c AT |
1838 | if (OMAP_DSS_COLOR_NV12 == oi->color_mode) { |
1839 | dispc_ovl_set_ba0_uv(plane, oi->p_uv_addr + offset0); | |
1840 | dispc_ovl_set_ba1_uv(plane, oi->p_uv_addr + offset1); | |
0d66cbb5 AJ |
1841 | } |
1842 | ||
1843 | ||
f0e5caab TV |
1844 | dispc_ovl_set_row_inc(plane, row_inc); |
1845 | dispc_ovl_set_pix_inc(plane, pix_inc); | |
80c39712 | 1846 | |
a4273b7c AT |
1847 | DSSDBG("%d,%d %dx%d -> %dx%d\n", oi->pos_x, oi->pos_y, oi->width, |
1848 | oi->height, oi->out_width, oi->out_height); | |
80c39712 | 1849 | |
a4273b7c | 1850 | dispc_ovl_set_pos(plane, oi->pos_x, oi->pos_y); |
80c39712 | 1851 | |
a4273b7c | 1852 | dispc_ovl_set_pic_size(plane, oi->width, oi->height); |
80c39712 | 1853 | |
79ad75f2 | 1854 | if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) { |
a4273b7c AT |
1855 | dispc_ovl_set_scaling(plane, oi->width, oi->height, |
1856 | oi->out_width, oi->out_height, | |
0d66cbb5 | 1857 | ilace, five_taps, fieldmode, |
a4273b7c AT |
1858 | oi->color_mode, oi->rotation); |
1859 | dispc_ovl_set_vid_size(plane, oi->out_width, oi->out_height); | |
f0e5caab | 1860 | dispc_ovl_set_vid_color_conv(plane, cconv); |
80c39712 TV |
1861 | } |
1862 | ||
a4273b7c AT |
1863 | dispc_ovl_set_rotation_attrs(plane, oi->rotation, oi->mirror, |
1864 | oi->color_mode); | |
80c39712 | 1865 | |
a4273b7c AT |
1866 | dispc_ovl_set_pre_mult_alpha(plane, oi->pre_mult_alpha); |
1867 | dispc_ovl_setup_global_alpha(plane, oi->global_alpha); | |
80c39712 | 1868 | |
f0e5caab | 1869 | dispc_ovl_set_channel_out(plane, channel); |
8fa8031c | 1870 | |
c3d92529 AT |
1871 | dispc_ovl_enable_replication(plane, replication); |
1872 | dispc_ovl_set_fifo_threshold(plane, fifo_low, fifo_high); | |
1873 | ||
80c39712 TV |
1874 | return 0; |
1875 | } | |
1876 | ||
f0e5caab | 1877 | int dispc_ovl_enable(enum omap_plane plane, bool enable) |
80c39712 | 1878 | { |
e6d80f95 TV |
1879 | DSSDBG("dispc_enable_plane %d, %d\n", plane, enable); |
1880 | ||
9b372c2d | 1881 | REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0); |
e6d80f95 TV |
1882 | |
1883 | return 0; | |
80c39712 TV |
1884 | } |
1885 | ||
1886 | static void dispc_disable_isr(void *data, u32 mask) | |
1887 | { | |
1888 | struct completion *compl = data; | |
1889 | complete(compl); | |
1890 | } | |
1891 | ||
2a205f34 | 1892 | static void _enable_lcd_out(enum omap_channel channel, bool enable) |
80c39712 | 1893 | { |
2a205f34 SS |
1894 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
1895 | REG_FLD_MOD(DISPC_CONTROL2, enable ? 1 : 0, 0, 0); | |
1896 | else | |
1897 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0); | |
80c39712 TV |
1898 | } |
1899 | ||
26d9dd0d | 1900 | static void dispc_mgr_enable_lcd_out(enum omap_channel channel, bool enable) |
80c39712 TV |
1901 | { |
1902 | struct completion frame_done_completion; | |
1903 | bool is_on; | |
1904 | int r; | |
2a205f34 | 1905 | u32 irq; |
80c39712 | 1906 | |
80c39712 TV |
1907 | /* When we disable LCD output, we need to wait until frame is done. |
1908 | * Otherwise the DSS is still working, and turning off the clocks | |
1909 | * prevents DSS from going to OFF mode */ | |
2a205f34 SS |
1910 | is_on = channel == OMAP_DSS_CHANNEL_LCD2 ? |
1911 | REG_GET(DISPC_CONTROL2, 0, 0) : | |
1912 | REG_GET(DISPC_CONTROL, 0, 0); | |
1913 | ||
1914 | irq = channel == OMAP_DSS_CHANNEL_LCD2 ? DISPC_IRQ_FRAMEDONE2 : | |
1915 | DISPC_IRQ_FRAMEDONE; | |
80c39712 TV |
1916 | |
1917 | if (!enable && is_on) { | |
1918 | init_completion(&frame_done_completion); | |
1919 | ||
1920 | r = omap_dispc_register_isr(dispc_disable_isr, | |
2a205f34 | 1921 | &frame_done_completion, irq); |
80c39712 TV |
1922 | |
1923 | if (r) | |
1924 | DSSERR("failed to register FRAMEDONE isr\n"); | |
1925 | } | |
1926 | ||
2a205f34 | 1927 | _enable_lcd_out(channel, enable); |
80c39712 TV |
1928 | |
1929 | if (!enable && is_on) { | |
1930 | if (!wait_for_completion_timeout(&frame_done_completion, | |
1931 | msecs_to_jiffies(100))) | |
1932 | DSSERR("timeout waiting for FRAME DONE\n"); | |
1933 | ||
1934 | r = omap_dispc_unregister_isr(dispc_disable_isr, | |
2a205f34 | 1935 | &frame_done_completion, irq); |
80c39712 TV |
1936 | |
1937 | if (r) | |
1938 | DSSERR("failed to unregister FRAMEDONE isr\n"); | |
1939 | } | |
80c39712 TV |
1940 | } |
1941 | ||
1942 | static void _enable_digit_out(bool enable) | |
1943 | { | |
1944 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1); | |
1945 | } | |
1946 | ||
26d9dd0d | 1947 | static void dispc_mgr_enable_digit_out(bool enable) |
80c39712 TV |
1948 | { |
1949 | struct completion frame_done_completion; | |
e82b090b TV |
1950 | enum dss_hdmi_venc_clk_source_select src; |
1951 | int r, i; | |
1952 | u32 irq_mask; | |
1953 | int num_irqs; | |
80c39712 | 1954 | |
e6d80f95 | 1955 | if (REG_GET(DISPC_CONTROL, 1, 1) == enable) |
80c39712 | 1956 | return; |
80c39712 | 1957 | |
e82b090b TV |
1958 | src = dss_get_hdmi_venc_clk_source(); |
1959 | ||
80c39712 TV |
1960 | if (enable) { |
1961 | unsigned long flags; | |
1962 | /* When we enable digit output, we'll get an extra digit | |
1963 | * sync lost interrupt, that we need to ignore */ | |
1964 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
1965 | dispc.irq_error_mask &= ~DISPC_IRQ_SYNC_LOST_DIGIT; | |
1966 | _omap_dispc_set_irqs(); | |
1967 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
1968 | } | |
1969 | ||
1970 | /* When we disable digit output, we need to wait until fields are done. | |
1971 | * Otherwise the DSS is still working, and turning off the clocks | |
1972 | * prevents DSS from going to OFF mode. And when enabling, we need to | |
1973 | * wait for the extra sync losts */ | |
1974 | init_completion(&frame_done_completion); | |
1975 | ||
e82b090b TV |
1976 | if (src == DSS_HDMI_M_PCLK && enable == false) { |
1977 | irq_mask = DISPC_IRQ_FRAMEDONETV; | |
1978 | num_irqs = 1; | |
1979 | } else { | |
1980 | irq_mask = DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD; | |
1981 | /* XXX I understand from TRM that we should only wait for the | |
1982 | * current field to complete. But it seems we have to wait for | |
1983 | * both fields */ | |
1984 | num_irqs = 2; | |
1985 | } | |
1986 | ||
80c39712 | 1987 | r = omap_dispc_register_isr(dispc_disable_isr, &frame_done_completion, |
e82b090b | 1988 | irq_mask); |
80c39712 | 1989 | if (r) |
e82b090b | 1990 | DSSERR("failed to register %x isr\n", irq_mask); |
80c39712 TV |
1991 | |
1992 | _enable_digit_out(enable); | |
1993 | ||
e82b090b TV |
1994 | for (i = 0; i < num_irqs; ++i) { |
1995 | if (!wait_for_completion_timeout(&frame_done_completion, | |
1996 | msecs_to_jiffies(100))) | |
1997 | DSSERR("timeout waiting for digit out to %s\n", | |
1998 | enable ? "start" : "stop"); | |
1999 | } | |
80c39712 | 2000 | |
e82b090b TV |
2001 | r = omap_dispc_unregister_isr(dispc_disable_isr, &frame_done_completion, |
2002 | irq_mask); | |
80c39712 | 2003 | if (r) |
e82b090b | 2004 | DSSERR("failed to unregister %x isr\n", irq_mask); |
80c39712 TV |
2005 | |
2006 | if (enable) { | |
2007 | unsigned long flags; | |
2008 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
e82b090b | 2009 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST_DIGIT; |
80c39712 TV |
2010 | dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT); |
2011 | _omap_dispc_set_irqs(); | |
2012 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2013 | } | |
80c39712 TV |
2014 | } |
2015 | ||
26d9dd0d | 2016 | bool dispc_mgr_is_enabled(enum omap_channel channel) |
a2faee84 TV |
2017 | { |
2018 | if (channel == OMAP_DSS_CHANNEL_LCD) | |
2019 | return !!REG_GET(DISPC_CONTROL, 0, 0); | |
2020 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | |
2021 | return !!REG_GET(DISPC_CONTROL, 1, 1); | |
2a205f34 SS |
2022 | else if (channel == OMAP_DSS_CHANNEL_LCD2) |
2023 | return !!REG_GET(DISPC_CONTROL2, 0, 0); | |
a2faee84 TV |
2024 | else |
2025 | BUG(); | |
2026 | } | |
2027 | ||
26d9dd0d | 2028 | void dispc_mgr_enable(enum omap_channel channel, bool enable) |
a2faee84 | 2029 | { |
dac57a05 | 2030 | if (dispc_mgr_is_lcd(channel)) |
26d9dd0d | 2031 | dispc_mgr_enable_lcd_out(channel, enable); |
a2faee84 | 2032 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) |
26d9dd0d | 2033 | dispc_mgr_enable_digit_out(enable); |
a2faee84 TV |
2034 | else |
2035 | BUG(); | |
2036 | } | |
2037 | ||
80c39712 TV |
2038 | void dispc_lcd_enable_signal_polarity(bool act_high) |
2039 | { | |
6ced40bf AT |
2040 | if (!dss_has_feature(FEAT_LCDENABLEPOL)) |
2041 | return; | |
2042 | ||
80c39712 | 2043 | REG_FLD_MOD(DISPC_CONTROL, act_high ? 1 : 0, 29, 29); |
80c39712 TV |
2044 | } |
2045 | ||
2046 | void dispc_lcd_enable_signal(bool enable) | |
2047 | { | |
6ced40bf AT |
2048 | if (!dss_has_feature(FEAT_LCDENABLESIGNAL)) |
2049 | return; | |
2050 | ||
80c39712 | 2051 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 28, 28); |
80c39712 TV |
2052 | } |
2053 | ||
2054 | void dispc_pck_free_enable(bool enable) | |
2055 | { | |
6ced40bf AT |
2056 | if (!dss_has_feature(FEAT_PCKFREEENABLE)) |
2057 | return; | |
2058 | ||
80c39712 | 2059 | REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27); |
80c39712 TV |
2060 | } |
2061 | ||
26d9dd0d | 2062 | void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable) |
80c39712 | 2063 | { |
2a205f34 SS |
2064 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2065 | REG_FLD_MOD(DISPC_CONFIG2, enable ? 1 : 0, 16, 16); | |
2066 | else | |
2067 | REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 16, 16); | |
80c39712 TV |
2068 | } |
2069 | ||
2070 | ||
26d9dd0d | 2071 | void dispc_mgr_set_lcd_display_type(enum omap_channel channel, |
64ba4f74 | 2072 | enum omap_lcd_display_type type) |
80c39712 TV |
2073 | { |
2074 | int mode; | |
2075 | ||
2076 | switch (type) { | |
2077 | case OMAP_DSS_LCD_DISPLAY_STN: | |
2078 | mode = 0; | |
2079 | break; | |
2080 | ||
2081 | case OMAP_DSS_LCD_DISPLAY_TFT: | |
2082 | mode = 1; | |
2083 | break; | |
2084 | ||
2085 | default: | |
2086 | BUG(); | |
2087 | return; | |
2088 | } | |
2089 | ||
2a205f34 SS |
2090 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2091 | REG_FLD_MOD(DISPC_CONTROL2, mode, 3, 3); | |
2092 | else | |
2093 | REG_FLD_MOD(DISPC_CONTROL, mode, 3, 3); | |
80c39712 TV |
2094 | } |
2095 | ||
2096 | void dispc_set_loadmode(enum omap_dss_load_mode mode) | |
2097 | { | |
80c39712 | 2098 | REG_FLD_MOD(DISPC_CONFIG, mode, 2, 1); |
80c39712 TV |
2099 | } |
2100 | ||
2101 | ||
26d9dd0d | 2102 | void dispc_mgr_set_default_color(enum omap_channel channel, u32 color) |
80c39712 | 2103 | { |
8613b000 | 2104 | dispc_write_reg(DISPC_DEFAULT_COLOR(channel), color); |
80c39712 TV |
2105 | } |
2106 | ||
26d9dd0d | 2107 | u32 dispc_mgr_get_default_color(enum omap_channel channel) |
80c39712 | 2108 | { |
80c39712 TV |
2109 | u32 l; |
2110 | ||
2111 | BUG_ON(channel != OMAP_DSS_CHANNEL_DIGIT && | |
2a205f34 SS |
2112 | channel != OMAP_DSS_CHANNEL_LCD && |
2113 | channel != OMAP_DSS_CHANNEL_LCD2); | |
80c39712 | 2114 | |
8613b000 | 2115 | l = dispc_read_reg(DISPC_DEFAULT_COLOR(channel)); |
80c39712 TV |
2116 | |
2117 | return l; | |
2118 | } | |
2119 | ||
26d9dd0d | 2120 | void dispc_mgr_set_trans_key(enum omap_channel ch, |
80c39712 TV |
2121 | enum omap_dss_trans_key_type type, |
2122 | u32 trans_key) | |
2123 | { | |
80c39712 TV |
2124 | if (ch == OMAP_DSS_CHANNEL_LCD) |
2125 | REG_FLD_MOD(DISPC_CONFIG, type, 11, 11); | |
2a205f34 | 2126 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2127 | REG_FLD_MOD(DISPC_CONFIG, type, 13, 13); |
2a205f34 SS |
2128 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2129 | REG_FLD_MOD(DISPC_CONFIG2, type, 11, 11); | |
80c39712 | 2130 | |
8613b000 | 2131 | dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key); |
80c39712 TV |
2132 | } |
2133 | ||
26d9dd0d | 2134 | void dispc_mgr_get_trans_key(enum omap_channel ch, |
80c39712 TV |
2135 | enum omap_dss_trans_key_type *type, |
2136 | u32 *trans_key) | |
2137 | { | |
80c39712 TV |
2138 | if (type) { |
2139 | if (ch == OMAP_DSS_CHANNEL_LCD) | |
2140 | *type = REG_GET(DISPC_CONFIG, 11, 11); | |
2141 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
2142 | *type = REG_GET(DISPC_CONFIG, 13, 13); | |
2a205f34 SS |
2143 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2144 | *type = REG_GET(DISPC_CONFIG2, 11, 11); | |
80c39712 TV |
2145 | else |
2146 | BUG(); | |
2147 | } | |
2148 | ||
2149 | if (trans_key) | |
8613b000 | 2150 | *trans_key = dispc_read_reg(DISPC_TRANS_COLOR(ch)); |
80c39712 TV |
2151 | } |
2152 | ||
26d9dd0d | 2153 | void dispc_mgr_enable_trans_key(enum omap_channel ch, bool enable) |
80c39712 | 2154 | { |
80c39712 TV |
2155 | if (ch == OMAP_DSS_CHANNEL_LCD) |
2156 | REG_FLD_MOD(DISPC_CONFIG, enable, 10, 10); | |
2a205f34 | 2157 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2158 | REG_FLD_MOD(DISPC_CONFIG, enable, 12, 12); |
2a205f34 SS |
2159 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2160 | REG_FLD_MOD(DISPC_CONFIG2, enable, 10, 10); | |
80c39712 | 2161 | } |
26d9dd0d | 2162 | void dispc_mgr_enable_alpha_blending(enum omap_channel ch, bool enable) |
80c39712 | 2163 | { |
a0acb557 | 2164 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) |
80c39712 TV |
2165 | return; |
2166 | ||
80c39712 TV |
2167 | if (ch == OMAP_DSS_CHANNEL_LCD) |
2168 | REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18); | |
2a205f34 | 2169 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) |
80c39712 | 2170 | REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19); |
2a205f34 SS |
2171 | else /* OMAP_DSS_CHANNEL_LCD2 */ |
2172 | REG_FLD_MOD(DISPC_CONFIG2, enable, 18, 18); | |
80c39712 | 2173 | } |
26d9dd0d | 2174 | bool dispc_mgr_alpha_blending_enabled(enum omap_channel ch) |
80c39712 TV |
2175 | { |
2176 | bool enabled; | |
2177 | ||
a0acb557 | 2178 | if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) |
80c39712 TV |
2179 | return false; |
2180 | ||
80c39712 TV |
2181 | if (ch == OMAP_DSS_CHANNEL_LCD) |
2182 | enabled = REG_GET(DISPC_CONFIG, 18, 18); | |
2183 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
712247a6 | 2184 | enabled = REG_GET(DISPC_CONFIG, 19, 19); |
2a205f34 SS |
2185 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2186 | enabled = REG_GET(DISPC_CONFIG2, 18, 18); | |
80c39712 TV |
2187 | else |
2188 | BUG(); | |
80c39712 TV |
2189 | |
2190 | return enabled; | |
80c39712 TV |
2191 | } |
2192 | ||
2193 | ||
26d9dd0d | 2194 | bool dispc_mgr_trans_key_enabled(enum omap_channel ch) |
80c39712 TV |
2195 | { |
2196 | bool enabled; | |
2197 | ||
80c39712 TV |
2198 | if (ch == OMAP_DSS_CHANNEL_LCD) |
2199 | enabled = REG_GET(DISPC_CONFIG, 10, 10); | |
2200 | else if (ch == OMAP_DSS_CHANNEL_DIGIT) | |
2201 | enabled = REG_GET(DISPC_CONFIG, 12, 12); | |
2a205f34 SS |
2202 | else if (ch == OMAP_DSS_CHANNEL_LCD2) |
2203 | enabled = REG_GET(DISPC_CONFIG2, 10, 10); | |
80c39712 TV |
2204 | else |
2205 | BUG(); | |
80c39712 TV |
2206 | |
2207 | return enabled; | |
2208 | } | |
2209 | ||
2210 | ||
26d9dd0d | 2211 | void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines) |
80c39712 TV |
2212 | { |
2213 | int code; | |
2214 | ||
2215 | switch (data_lines) { | |
2216 | case 12: | |
2217 | code = 0; | |
2218 | break; | |
2219 | case 16: | |
2220 | code = 1; | |
2221 | break; | |
2222 | case 18: | |
2223 | code = 2; | |
2224 | break; | |
2225 | case 24: | |
2226 | code = 3; | |
2227 | break; | |
2228 | default: | |
2229 | BUG(); | |
2230 | return; | |
2231 | } | |
2232 | ||
2a205f34 SS |
2233 | if (channel == OMAP_DSS_CHANNEL_LCD2) |
2234 | REG_FLD_MOD(DISPC_CONTROL2, code, 9, 8); | |
2235 | else | |
2236 | REG_FLD_MOD(DISPC_CONTROL, code, 9, 8); | |
80c39712 TV |
2237 | } |
2238 | ||
569969d6 | 2239 | void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode) |
80c39712 TV |
2240 | { |
2241 | u32 l; | |
569969d6 | 2242 | int gpout0, gpout1; |
80c39712 TV |
2243 | |
2244 | switch (mode) { | |
569969d6 AT |
2245 | case DSS_IO_PAD_MODE_RESET: |
2246 | gpout0 = 0; | |
2247 | gpout1 = 0; | |
80c39712 | 2248 | break; |
569969d6 AT |
2249 | case DSS_IO_PAD_MODE_RFBI: |
2250 | gpout0 = 1; | |
80c39712 TV |
2251 | gpout1 = 0; |
2252 | break; | |
569969d6 AT |
2253 | case DSS_IO_PAD_MODE_BYPASS: |
2254 | gpout0 = 1; | |
80c39712 TV |
2255 | gpout1 = 1; |
2256 | break; | |
80c39712 TV |
2257 | default: |
2258 | BUG(); | |
2259 | return; | |
2260 | } | |
2261 | ||
569969d6 AT |
2262 | l = dispc_read_reg(DISPC_CONTROL); |
2263 | l = FLD_MOD(l, gpout0, 15, 15); | |
2264 | l = FLD_MOD(l, gpout1, 16, 16); | |
2265 | dispc_write_reg(DISPC_CONTROL, l); | |
2266 | } | |
2267 | ||
2268 | void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable) | |
2269 | { | |
2270 | if (channel == OMAP_DSS_CHANNEL_LCD2) | |
2271 | REG_FLD_MOD(DISPC_CONTROL2, enable, 11, 11); | |
2272 | else | |
2273 | REG_FLD_MOD(DISPC_CONTROL, enable, 11, 11); | |
80c39712 TV |
2274 | } |
2275 | ||
2276 | static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp, | |
2277 | int vsw, int vfp, int vbp) | |
2278 | { | |
2279 | if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) { | |
2280 | if (hsw < 1 || hsw > 64 || | |
2281 | hfp < 1 || hfp > 256 || | |
2282 | hbp < 1 || hbp > 256 || | |
2283 | vsw < 1 || vsw > 64 || | |
2284 | vfp < 0 || vfp > 255 || | |
2285 | vbp < 0 || vbp > 255) | |
2286 | return false; | |
2287 | } else { | |
2288 | if (hsw < 1 || hsw > 256 || | |
2289 | hfp < 1 || hfp > 4096 || | |
2290 | hbp < 1 || hbp > 4096 || | |
2291 | vsw < 1 || vsw > 256 || | |
2292 | vfp < 0 || vfp > 4095 || | |
2293 | vbp < 0 || vbp > 4095) | |
2294 | return false; | |
2295 | } | |
2296 | ||
2297 | return true; | |
2298 | } | |
2299 | ||
2300 | bool dispc_lcd_timings_ok(struct omap_video_timings *timings) | |
2301 | { | |
2302 | return _dispc_lcd_timings_ok(timings->hsw, timings->hfp, | |
2303 | timings->hbp, timings->vsw, | |
2304 | timings->vfp, timings->vbp); | |
2305 | } | |
2306 | ||
26d9dd0d | 2307 | static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw, |
64ba4f74 | 2308 | int hfp, int hbp, int vsw, int vfp, int vbp) |
80c39712 TV |
2309 | { |
2310 | u32 timing_h, timing_v; | |
2311 | ||
2312 | if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) { | |
2313 | timing_h = FLD_VAL(hsw-1, 5, 0) | FLD_VAL(hfp-1, 15, 8) | | |
2314 | FLD_VAL(hbp-1, 27, 20); | |
2315 | ||
2316 | timing_v = FLD_VAL(vsw-1, 5, 0) | FLD_VAL(vfp, 15, 8) | | |
2317 | FLD_VAL(vbp, 27, 20); | |
2318 | } else { | |
2319 | timing_h = FLD_VAL(hsw-1, 7, 0) | FLD_VAL(hfp-1, 19, 8) | | |
2320 | FLD_VAL(hbp-1, 31, 20); | |
2321 | ||
2322 | timing_v = FLD_VAL(vsw-1, 7, 0) | FLD_VAL(vfp, 19, 8) | | |
2323 | FLD_VAL(vbp, 31, 20); | |
2324 | } | |
2325 | ||
64ba4f74 SS |
2326 | dispc_write_reg(DISPC_TIMING_H(channel), timing_h); |
2327 | dispc_write_reg(DISPC_TIMING_V(channel), timing_v); | |
80c39712 TV |
2328 | } |
2329 | ||
2330 | /* change name to mode? */ | |
26d9dd0d | 2331 | void dispc_mgr_set_lcd_timings(enum omap_channel channel, |
64ba4f74 | 2332 | struct omap_video_timings *timings) |
80c39712 TV |
2333 | { |
2334 | unsigned xtot, ytot; | |
2335 | unsigned long ht, vt; | |
2336 | ||
2337 | if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp, | |
2338 | timings->hbp, timings->vsw, | |
2339 | timings->vfp, timings->vbp)) | |
2340 | BUG(); | |
2341 | ||
26d9dd0d | 2342 | _dispc_mgr_set_lcd_timings(channel, timings->hsw, timings->hfp, |
64ba4f74 SS |
2343 | timings->hbp, timings->vsw, timings->vfp, |
2344 | timings->vbp); | |
80c39712 | 2345 | |
26d9dd0d | 2346 | dispc_mgr_set_lcd_size(channel, timings->x_res, timings->y_res); |
80c39712 TV |
2347 | |
2348 | xtot = timings->x_res + timings->hfp + timings->hsw + timings->hbp; | |
2349 | ytot = timings->y_res + timings->vfp + timings->vsw + timings->vbp; | |
2350 | ||
2351 | ht = (timings->pixel_clock * 1000) / xtot; | |
2352 | vt = (timings->pixel_clock * 1000) / xtot / ytot; | |
2353 | ||
2a205f34 SS |
2354 | DSSDBG("channel %d xres %u yres %u\n", channel, timings->x_res, |
2355 | timings->y_res); | |
80c39712 TV |
2356 | DSSDBG("pck %u\n", timings->pixel_clock); |
2357 | DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n", | |
2358 | timings->hsw, timings->hfp, timings->hbp, | |
2359 | timings->vsw, timings->vfp, timings->vbp); | |
2360 | ||
2361 | DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt); | |
2362 | } | |
2363 | ||
26d9dd0d | 2364 | static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div, |
ff1b2cde | 2365 | u16 pck_div) |
80c39712 TV |
2366 | { |
2367 | BUG_ON(lck_div < 1); | |
9eaaf207 | 2368 | BUG_ON(pck_div < 1); |
80c39712 | 2369 | |
ce7fa5eb | 2370 | dispc_write_reg(DISPC_DIVISORo(channel), |
80c39712 | 2371 | FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0)); |
80c39712 TV |
2372 | } |
2373 | ||
26d9dd0d | 2374 | static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div, |
2a205f34 | 2375 | int *pck_div) |
80c39712 TV |
2376 | { |
2377 | u32 l; | |
ce7fa5eb | 2378 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 TV |
2379 | *lck_div = FLD_GET(l, 23, 16); |
2380 | *pck_div = FLD_GET(l, 7, 0); | |
2381 | } | |
2382 | ||
2383 | unsigned long dispc_fclk_rate(void) | |
2384 | { | |
a72b64b9 | 2385 | struct platform_device *dsidev; |
80c39712 TV |
2386 | unsigned long r = 0; |
2387 | ||
66534e8e | 2388 | switch (dss_get_dispc_clk_source()) { |
89a35e51 | 2389 | case OMAP_DSS_CLK_SRC_FCK: |
4fbafaf3 | 2390 | r = clk_get_rate(dispc.dss_clk); |
66534e8e | 2391 | break; |
89a35e51 | 2392 | case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: |
a72b64b9 AT |
2393 | dsidev = dsi_get_dsidev_from_id(0); |
2394 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
66534e8e | 2395 | break; |
5a8b572d AT |
2396 | case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: |
2397 | dsidev = dsi_get_dsidev_from_id(1); | |
2398 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
2399 | break; | |
66534e8e TA |
2400 | default: |
2401 | BUG(); | |
2402 | } | |
2403 | ||
80c39712 TV |
2404 | return r; |
2405 | } | |
2406 | ||
26d9dd0d | 2407 | unsigned long dispc_mgr_lclk_rate(enum omap_channel channel) |
80c39712 | 2408 | { |
a72b64b9 | 2409 | struct platform_device *dsidev; |
80c39712 TV |
2410 | int lcd; |
2411 | unsigned long r; | |
2412 | u32 l; | |
2413 | ||
ce7fa5eb | 2414 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 TV |
2415 | |
2416 | lcd = FLD_GET(l, 23, 16); | |
2417 | ||
ea75159e | 2418 | switch (dss_get_lcd_clk_source(channel)) { |
89a35e51 | 2419 | case OMAP_DSS_CLK_SRC_FCK: |
4fbafaf3 | 2420 | r = clk_get_rate(dispc.dss_clk); |
ea75159e | 2421 | break; |
89a35e51 | 2422 | case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: |
a72b64b9 AT |
2423 | dsidev = dsi_get_dsidev_from_id(0); |
2424 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
ea75159e | 2425 | break; |
5a8b572d AT |
2426 | case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: |
2427 | dsidev = dsi_get_dsidev_from_id(1); | |
2428 | r = dsi_get_pll_hsdiv_dispc_rate(dsidev); | |
2429 | break; | |
ea75159e TA |
2430 | default: |
2431 | BUG(); | |
2432 | } | |
80c39712 TV |
2433 | |
2434 | return r / lcd; | |
2435 | } | |
2436 | ||
26d9dd0d | 2437 | unsigned long dispc_mgr_pclk_rate(enum omap_channel channel) |
80c39712 | 2438 | { |
80c39712 | 2439 | unsigned long r; |
80c39712 | 2440 | |
c3dc6a7a AT |
2441 | if (dispc_mgr_is_lcd(channel)) { |
2442 | int pcd; | |
2443 | u32 l; | |
80c39712 | 2444 | |
c3dc6a7a | 2445 | l = dispc_read_reg(DISPC_DIVISORo(channel)); |
80c39712 | 2446 | |
c3dc6a7a | 2447 | pcd = FLD_GET(l, 7, 0); |
80c39712 | 2448 | |
c3dc6a7a AT |
2449 | r = dispc_mgr_lclk_rate(channel); |
2450 | ||
2451 | return r / pcd; | |
2452 | } else { | |
2453 | struct omap_dss_device *dssdev = | |
2454 | dispc_mgr_get_device(channel); | |
2455 | ||
2456 | switch (dssdev->type) { | |
2457 | case OMAP_DISPLAY_TYPE_VENC: | |
2458 | return venc_get_pixel_clock(); | |
2459 | case OMAP_DISPLAY_TYPE_HDMI: | |
2460 | return hdmi_get_pixel_clock(); | |
2461 | default: | |
2462 | BUG(); | |
2463 | } | |
2464 | } | |
80c39712 TV |
2465 | } |
2466 | ||
2467 | void dispc_dump_clocks(struct seq_file *s) | |
2468 | { | |
2469 | int lcd, pcd; | |
0cf35df3 | 2470 | u32 l; |
89a35e51 AT |
2471 | enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source(); |
2472 | enum omap_dss_clk_source lcd_clk_src; | |
80c39712 | 2473 | |
4fbafaf3 TV |
2474 | if (dispc_runtime_get()) |
2475 | return; | |
80c39712 | 2476 | |
80c39712 TV |
2477 | seq_printf(s, "- DISPC -\n"); |
2478 | ||
067a57e4 AT |
2479 | seq_printf(s, "dispc fclk source = %s (%s)\n", |
2480 | dss_get_generic_clk_source_name(dispc_clk_src), | |
2481 | dss_feat_get_clk_source_name(dispc_clk_src)); | |
80c39712 TV |
2482 | |
2483 | seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate()); | |
2a205f34 | 2484 | |
0cf35df3 MR |
2485 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) { |
2486 | seq_printf(s, "- DISPC-CORE-CLK -\n"); | |
2487 | l = dispc_read_reg(DISPC_DIVISOR); | |
2488 | lcd = FLD_GET(l, 23, 16); | |
2489 | ||
2490 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", | |
2491 | (dispc_fclk_rate()/lcd), lcd); | |
2492 | } | |
2a205f34 SS |
2493 | seq_printf(s, "- LCD1 -\n"); |
2494 | ||
ea75159e TA |
2495 | lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD); |
2496 | ||
2497 | seq_printf(s, "lcd1_clk source = %s (%s)\n", | |
2498 | dss_get_generic_clk_source_name(lcd_clk_src), | |
2499 | dss_feat_get_clk_source_name(lcd_clk_src)); | |
2500 | ||
26d9dd0d | 2501 | dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd); |
2a205f34 | 2502 | |
ff1b2cde | 2503 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", |
26d9dd0d | 2504 | dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd); |
ff1b2cde | 2505 | seq_printf(s, "pck\t\t%-16lupck div\t%u\n", |
26d9dd0d | 2506 | dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd); |
2a205f34 SS |
2507 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2508 | seq_printf(s, "- LCD2 -\n"); | |
2509 | ||
ea75159e TA |
2510 | lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD2); |
2511 | ||
2512 | seq_printf(s, "lcd2_clk source = %s (%s)\n", | |
2513 | dss_get_generic_clk_source_name(lcd_clk_src), | |
2514 | dss_feat_get_clk_source_name(lcd_clk_src)); | |
2515 | ||
26d9dd0d | 2516 | dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd); |
80c39712 | 2517 | |
2a205f34 | 2518 | seq_printf(s, "lck\t\t%-16lulck div\t%u\n", |
26d9dd0d | 2519 | dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD2), lcd); |
2a205f34 | 2520 | seq_printf(s, "pck\t\t%-16lupck div\t%u\n", |
26d9dd0d | 2521 | dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD2), pcd); |
2a205f34 | 2522 | } |
4fbafaf3 TV |
2523 | |
2524 | dispc_runtime_put(); | |
80c39712 TV |
2525 | } |
2526 | ||
dfc0fd8d TV |
2527 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
2528 | void dispc_dump_irqs(struct seq_file *s) | |
2529 | { | |
2530 | unsigned long flags; | |
2531 | struct dispc_irq_stats stats; | |
2532 | ||
2533 | spin_lock_irqsave(&dispc.irq_stats_lock, flags); | |
2534 | ||
2535 | stats = dispc.irq_stats; | |
2536 | memset(&dispc.irq_stats, 0, sizeof(dispc.irq_stats)); | |
2537 | dispc.irq_stats.last_reset = jiffies; | |
2538 | ||
2539 | spin_unlock_irqrestore(&dispc.irq_stats_lock, flags); | |
2540 | ||
2541 | seq_printf(s, "period %u ms\n", | |
2542 | jiffies_to_msecs(jiffies - stats.last_reset)); | |
2543 | ||
2544 | seq_printf(s, "irqs %d\n", stats.irq_count); | |
2545 | #define PIS(x) \ | |
2546 | seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]); | |
2547 | ||
2548 | PIS(FRAMEDONE); | |
2549 | PIS(VSYNC); | |
2550 | PIS(EVSYNC_EVEN); | |
2551 | PIS(EVSYNC_ODD); | |
2552 | PIS(ACBIAS_COUNT_STAT); | |
2553 | PIS(PROG_LINE_NUM); | |
2554 | PIS(GFX_FIFO_UNDERFLOW); | |
2555 | PIS(GFX_END_WIN); | |
2556 | PIS(PAL_GAMMA_MASK); | |
2557 | PIS(OCP_ERR); | |
2558 | PIS(VID1_FIFO_UNDERFLOW); | |
2559 | PIS(VID1_END_WIN); | |
2560 | PIS(VID2_FIFO_UNDERFLOW); | |
2561 | PIS(VID2_END_WIN); | |
2562 | PIS(SYNC_LOST); | |
2563 | PIS(SYNC_LOST_DIGIT); | |
2564 | PIS(WAKEUP); | |
2a205f34 SS |
2565 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2566 | PIS(FRAMEDONE2); | |
2567 | PIS(VSYNC2); | |
2568 | PIS(ACBIAS_COUNT_STAT2); | |
2569 | PIS(SYNC_LOST2); | |
2570 | } | |
dfc0fd8d TV |
2571 | #undef PIS |
2572 | } | |
dfc0fd8d TV |
2573 | #endif |
2574 | ||
80c39712 TV |
2575 | void dispc_dump_regs(struct seq_file *s) |
2576 | { | |
4dd2da15 AT |
2577 | int i, j; |
2578 | const char *mgr_names[] = { | |
2579 | [OMAP_DSS_CHANNEL_LCD] = "LCD", | |
2580 | [OMAP_DSS_CHANNEL_DIGIT] = "TV", | |
2581 | [OMAP_DSS_CHANNEL_LCD2] = "LCD2", | |
2582 | }; | |
2583 | const char *ovl_names[] = { | |
2584 | [OMAP_DSS_GFX] = "GFX", | |
2585 | [OMAP_DSS_VIDEO1] = "VID1", | |
2586 | [OMAP_DSS_VIDEO2] = "VID2", | |
2587 | }; | |
2588 | const char **p_names; | |
2589 | ||
9b372c2d | 2590 | #define DUMPREG(r) seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r)) |
80c39712 | 2591 | |
4fbafaf3 TV |
2592 | if (dispc_runtime_get()) |
2593 | return; | |
80c39712 | 2594 | |
5010be80 | 2595 | /* DISPC common registers */ |
80c39712 TV |
2596 | DUMPREG(DISPC_REVISION); |
2597 | DUMPREG(DISPC_SYSCONFIG); | |
2598 | DUMPREG(DISPC_SYSSTATUS); | |
2599 | DUMPREG(DISPC_IRQSTATUS); | |
2600 | DUMPREG(DISPC_IRQENABLE); | |
2601 | DUMPREG(DISPC_CONTROL); | |
2602 | DUMPREG(DISPC_CONFIG); | |
2603 | DUMPREG(DISPC_CAPABLE); | |
80c39712 TV |
2604 | DUMPREG(DISPC_LINE_STATUS); |
2605 | DUMPREG(DISPC_LINE_NUMBER); | |
332e9d70 TV |
2606 | if (dss_has_feature(FEAT_GLOBAL_ALPHA)) |
2607 | DUMPREG(DISPC_GLOBAL_ALPHA); | |
2a205f34 SS |
2608 | if (dss_has_feature(FEAT_MGR_LCD2)) { |
2609 | DUMPREG(DISPC_CONTROL2); | |
2610 | DUMPREG(DISPC_CONFIG2); | |
5010be80 AT |
2611 | } |
2612 | ||
2613 | #undef DUMPREG | |
2614 | ||
2615 | #define DISPC_REG(i, name) name(i) | |
4dd2da15 AT |
2616 | #define DUMPREG(i, r) seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \ |
2617 | 48 - strlen(#r) - strlen(p_names[i]), " ", \ | |
5010be80 AT |
2618 | dispc_read_reg(DISPC_REG(i, r))) |
2619 | ||
4dd2da15 | 2620 | p_names = mgr_names; |
5010be80 | 2621 | |
4dd2da15 AT |
2622 | /* DISPC channel specific registers */ |
2623 | for (i = 0; i < dss_feat_get_num_mgrs(); i++) { | |
2624 | DUMPREG(i, DISPC_DEFAULT_COLOR); | |
2625 | DUMPREG(i, DISPC_TRANS_COLOR); | |
2626 | DUMPREG(i, DISPC_SIZE_MGR); | |
80c39712 | 2627 | |
4dd2da15 AT |
2628 | if (i == OMAP_DSS_CHANNEL_DIGIT) |
2629 | continue; | |
5010be80 | 2630 | |
4dd2da15 AT |
2631 | DUMPREG(i, DISPC_DEFAULT_COLOR); |
2632 | DUMPREG(i, DISPC_TRANS_COLOR); | |
2633 | DUMPREG(i, DISPC_TIMING_H); | |
2634 | DUMPREG(i, DISPC_TIMING_V); | |
2635 | DUMPREG(i, DISPC_POL_FREQ); | |
2636 | DUMPREG(i, DISPC_DIVISORo); | |
2637 | DUMPREG(i, DISPC_SIZE_MGR); | |
5010be80 | 2638 | |
4dd2da15 AT |
2639 | DUMPREG(i, DISPC_DATA_CYCLE1); |
2640 | DUMPREG(i, DISPC_DATA_CYCLE2); | |
2641 | DUMPREG(i, DISPC_DATA_CYCLE3); | |
2a205f34 | 2642 | |
332e9d70 | 2643 | if (dss_has_feature(FEAT_CPR)) { |
4dd2da15 AT |
2644 | DUMPREG(i, DISPC_CPR_COEF_R); |
2645 | DUMPREG(i, DISPC_CPR_COEF_G); | |
2646 | DUMPREG(i, DISPC_CPR_COEF_B); | |
332e9d70 | 2647 | } |
2a205f34 | 2648 | } |
80c39712 | 2649 | |
4dd2da15 AT |
2650 | p_names = ovl_names; |
2651 | ||
2652 | for (i = 0; i < dss_feat_get_num_ovls(); i++) { | |
2653 | DUMPREG(i, DISPC_OVL_BA0); | |
2654 | DUMPREG(i, DISPC_OVL_BA1); | |
2655 | DUMPREG(i, DISPC_OVL_POSITION); | |
2656 | DUMPREG(i, DISPC_OVL_SIZE); | |
2657 | DUMPREG(i, DISPC_OVL_ATTRIBUTES); | |
2658 | DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD); | |
2659 | DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS); | |
2660 | DUMPREG(i, DISPC_OVL_ROW_INC); | |
2661 | DUMPREG(i, DISPC_OVL_PIXEL_INC); | |
2662 | if (dss_has_feature(FEAT_PRELOAD)) | |
2663 | DUMPREG(i, DISPC_OVL_PRELOAD); | |
2664 | ||
2665 | if (i == OMAP_DSS_GFX) { | |
2666 | DUMPREG(i, DISPC_OVL_WINDOW_SKIP); | |
2667 | DUMPREG(i, DISPC_OVL_TABLE_BA); | |
2668 | continue; | |
2669 | } | |
2670 | ||
2671 | DUMPREG(i, DISPC_OVL_FIR); | |
2672 | DUMPREG(i, DISPC_OVL_PICTURE_SIZE); | |
2673 | DUMPREG(i, DISPC_OVL_ACCU0); | |
2674 | DUMPREG(i, DISPC_OVL_ACCU1); | |
2675 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { | |
2676 | DUMPREG(i, DISPC_OVL_BA0_UV); | |
2677 | DUMPREG(i, DISPC_OVL_BA1_UV); | |
2678 | DUMPREG(i, DISPC_OVL_FIR2); | |
2679 | DUMPREG(i, DISPC_OVL_ACCU2_0); | |
2680 | DUMPREG(i, DISPC_OVL_ACCU2_1); | |
2681 | } | |
2682 | if (dss_has_feature(FEAT_ATTR2)) | |
2683 | DUMPREG(i, DISPC_OVL_ATTRIBUTES2); | |
2684 | if (dss_has_feature(FEAT_PRELOAD)) | |
2685 | DUMPREG(i, DISPC_OVL_PRELOAD); | |
ab5ca071 | 2686 | } |
5010be80 AT |
2687 | |
2688 | #undef DISPC_REG | |
2689 | #undef DUMPREG | |
2690 | ||
2691 | #define DISPC_REG(plane, name, i) name(plane, i) | |
2692 | #define DUMPREG(plane, name, i) \ | |
4dd2da15 AT |
2693 | seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \ |
2694 | 46 - strlen(#name) - strlen(p_names[plane]), " ", \ | |
5010be80 AT |
2695 | dispc_read_reg(DISPC_REG(plane, name, i))) |
2696 | ||
4dd2da15 | 2697 | /* Video pipeline coefficient registers */ |
332e9d70 | 2698 | |
4dd2da15 AT |
2699 | /* start from OMAP_DSS_VIDEO1 */ |
2700 | for (i = 1; i < dss_feat_get_num_ovls(); i++) { | |
2701 | for (j = 0; j < 8; j++) | |
2702 | DUMPREG(i, DISPC_OVL_FIR_COEF_H, j); | |
9b372c2d | 2703 | |
4dd2da15 AT |
2704 | for (j = 0; j < 8; j++) |
2705 | DUMPREG(i, DISPC_OVL_FIR_COEF_HV, j); | |
5010be80 | 2706 | |
4dd2da15 AT |
2707 | for (j = 0; j < 5; j++) |
2708 | DUMPREG(i, DISPC_OVL_CONV_COEF, j); | |
ab5ca071 | 2709 | |
4dd2da15 AT |
2710 | if (dss_has_feature(FEAT_FIR_COEF_V)) { |
2711 | for (j = 0; j < 8; j++) | |
2712 | DUMPREG(i, DISPC_OVL_FIR_COEF_V, j); | |
2713 | } | |
2714 | ||
2715 | if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) { | |
2716 | for (j = 0; j < 8; j++) | |
2717 | DUMPREG(i, DISPC_OVL_FIR_COEF_H2, j); | |
2718 | ||
2719 | for (j = 0; j < 8; j++) | |
2720 | DUMPREG(i, DISPC_OVL_FIR_COEF_HV2, j); | |
2721 | ||
2722 | for (j = 0; j < 8; j++) | |
2723 | DUMPREG(i, DISPC_OVL_FIR_COEF_V2, j); | |
2724 | } | |
332e9d70 | 2725 | } |
80c39712 | 2726 | |
4fbafaf3 | 2727 | dispc_runtime_put(); |
5010be80 AT |
2728 | |
2729 | #undef DISPC_REG | |
80c39712 TV |
2730 | #undef DUMPREG |
2731 | } | |
2732 | ||
26d9dd0d TV |
2733 | static void _dispc_mgr_set_pol_freq(enum omap_channel channel, bool onoff, |
2734 | bool rf, bool ieo, bool ipc, bool ihs, bool ivs, u8 acbi, | |
2735 | u8 acb) | |
80c39712 TV |
2736 | { |
2737 | u32 l = 0; | |
2738 | ||
2739 | DSSDBG("onoff %d rf %d ieo %d ipc %d ihs %d ivs %d acbi %d acb %d\n", | |
2740 | onoff, rf, ieo, ipc, ihs, ivs, acbi, acb); | |
2741 | ||
2742 | l |= FLD_VAL(onoff, 17, 17); | |
2743 | l |= FLD_VAL(rf, 16, 16); | |
2744 | l |= FLD_VAL(ieo, 15, 15); | |
2745 | l |= FLD_VAL(ipc, 14, 14); | |
2746 | l |= FLD_VAL(ihs, 13, 13); | |
2747 | l |= FLD_VAL(ivs, 12, 12); | |
2748 | l |= FLD_VAL(acbi, 11, 8); | |
2749 | l |= FLD_VAL(acb, 7, 0); | |
2750 | ||
ff1b2cde | 2751 | dispc_write_reg(DISPC_POL_FREQ(channel), l); |
80c39712 TV |
2752 | } |
2753 | ||
26d9dd0d | 2754 | void dispc_mgr_set_pol_freq(enum omap_channel channel, |
ff1b2cde | 2755 | enum omap_panel_config config, u8 acbi, u8 acb) |
80c39712 | 2756 | { |
26d9dd0d | 2757 | _dispc_mgr_set_pol_freq(channel, (config & OMAP_DSS_LCD_ONOFF) != 0, |
80c39712 TV |
2758 | (config & OMAP_DSS_LCD_RF) != 0, |
2759 | (config & OMAP_DSS_LCD_IEO) != 0, | |
2760 | (config & OMAP_DSS_LCD_IPC) != 0, | |
2761 | (config & OMAP_DSS_LCD_IHS) != 0, | |
2762 | (config & OMAP_DSS_LCD_IVS) != 0, | |
2763 | acbi, acb); | |
2764 | } | |
2765 | ||
2766 | /* with fck as input clock rate, find dispc dividers that produce req_pck */ | |
2767 | void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck, | |
2768 | struct dispc_clock_info *cinfo) | |
2769 | { | |
9eaaf207 | 2770 | u16 pcd_min, pcd_max; |
80c39712 TV |
2771 | unsigned long best_pck; |
2772 | u16 best_ld, cur_ld; | |
2773 | u16 best_pd, cur_pd; | |
2774 | ||
9eaaf207 TV |
2775 | pcd_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD); |
2776 | pcd_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD); | |
2777 | ||
2778 | if (!is_tft) | |
2779 | pcd_min = 3; | |
2780 | ||
80c39712 TV |
2781 | best_pck = 0; |
2782 | best_ld = 0; | |
2783 | best_pd = 0; | |
2784 | ||
2785 | for (cur_ld = 1; cur_ld <= 255; ++cur_ld) { | |
2786 | unsigned long lck = fck / cur_ld; | |
2787 | ||
9eaaf207 | 2788 | for (cur_pd = pcd_min; cur_pd <= pcd_max; ++cur_pd) { |
80c39712 TV |
2789 | unsigned long pck = lck / cur_pd; |
2790 | long old_delta = abs(best_pck - req_pck); | |
2791 | long new_delta = abs(pck - req_pck); | |
2792 | ||
2793 | if (best_pck == 0 || new_delta < old_delta) { | |
2794 | best_pck = pck; | |
2795 | best_ld = cur_ld; | |
2796 | best_pd = cur_pd; | |
2797 | ||
2798 | if (pck == req_pck) | |
2799 | goto found; | |
2800 | } | |
2801 | ||
2802 | if (pck < req_pck) | |
2803 | break; | |
2804 | } | |
2805 | ||
2806 | if (lck / pcd_min < req_pck) | |
2807 | break; | |
2808 | } | |
2809 | ||
2810 | found: | |
2811 | cinfo->lck_div = best_ld; | |
2812 | cinfo->pck_div = best_pd; | |
2813 | cinfo->lck = fck / cinfo->lck_div; | |
2814 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
2815 | } | |
2816 | ||
2817 | /* calculate clock rates using dividers in cinfo */ | |
2818 | int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, | |
2819 | struct dispc_clock_info *cinfo) | |
2820 | { | |
2821 | if (cinfo->lck_div > 255 || cinfo->lck_div == 0) | |
2822 | return -EINVAL; | |
9eaaf207 | 2823 | if (cinfo->pck_div < 1 || cinfo->pck_div > 255) |
80c39712 TV |
2824 | return -EINVAL; |
2825 | ||
2826 | cinfo->lck = dispc_fclk_rate / cinfo->lck_div; | |
2827 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
2828 | ||
2829 | return 0; | |
2830 | } | |
2831 | ||
26d9dd0d | 2832 | int dispc_mgr_set_clock_div(enum omap_channel channel, |
ff1b2cde | 2833 | struct dispc_clock_info *cinfo) |
80c39712 TV |
2834 | { |
2835 | DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div); | |
2836 | DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div); | |
2837 | ||
26d9dd0d | 2838 | dispc_mgr_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div); |
80c39712 TV |
2839 | |
2840 | return 0; | |
2841 | } | |
2842 | ||
26d9dd0d | 2843 | int dispc_mgr_get_clock_div(enum omap_channel channel, |
ff1b2cde | 2844 | struct dispc_clock_info *cinfo) |
80c39712 TV |
2845 | { |
2846 | unsigned long fck; | |
2847 | ||
2848 | fck = dispc_fclk_rate(); | |
2849 | ||
ce7fa5eb MR |
2850 | cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16); |
2851 | cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0); | |
80c39712 TV |
2852 | |
2853 | cinfo->lck = fck / cinfo->lck_div; | |
2854 | cinfo->pck = cinfo->lck / cinfo->pck_div; | |
2855 | ||
2856 | return 0; | |
2857 | } | |
2858 | ||
2859 | /* dispc.irq_lock has to be locked by the caller */ | |
2860 | static void _omap_dispc_set_irqs(void) | |
2861 | { | |
2862 | u32 mask; | |
2863 | u32 old_mask; | |
2864 | int i; | |
2865 | struct omap_dispc_isr_data *isr_data; | |
2866 | ||
2867 | mask = dispc.irq_error_mask; | |
2868 | ||
2869 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
2870 | isr_data = &dispc.registered_isr[i]; | |
2871 | ||
2872 | if (isr_data->isr == NULL) | |
2873 | continue; | |
2874 | ||
2875 | mask |= isr_data->mask; | |
2876 | } | |
2877 | ||
80c39712 TV |
2878 | old_mask = dispc_read_reg(DISPC_IRQENABLE); |
2879 | /* clear the irqstatus for newly enabled irqs */ | |
2880 | dispc_write_reg(DISPC_IRQSTATUS, (mask ^ old_mask) & mask); | |
2881 | ||
2882 | dispc_write_reg(DISPC_IRQENABLE, mask); | |
80c39712 TV |
2883 | } |
2884 | ||
2885 | int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | |
2886 | { | |
2887 | int i; | |
2888 | int ret; | |
2889 | unsigned long flags; | |
2890 | struct omap_dispc_isr_data *isr_data; | |
2891 | ||
2892 | if (isr == NULL) | |
2893 | return -EINVAL; | |
2894 | ||
2895 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
2896 | ||
2897 | /* check for duplicate entry */ | |
2898 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
2899 | isr_data = &dispc.registered_isr[i]; | |
2900 | if (isr_data->isr == isr && isr_data->arg == arg && | |
2901 | isr_data->mask == mask) { | |
2902 | ret = -EINVAL; | |
2903 | goto err; | |
2904 | } | |
2905 | } | |
2906 | ||
2907 | isr_data = NULL; | |
2908 | ret = -EBUSY; | |
2909 | ||
2910 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
2911 | isr_data = &dispc.registered_isr[i]; | |
2912 | ||
2913 | if (isr_data->isr != NULL) | |
2914 | continue; | |
2915 | ||
2916 | isr_data->isr = isr; | |
2917 | isr_data->arg = arg; | |
2918 | isr_data->mask = mask; | |
2919 | ret = 0; | |
2920 | ||
2921 | break; | |
2922 | } | |
2923 | ||
b9cb0984 TV |
2924 | if (ret) |
2925 | goto err; | |
2926 | ||
80c39712 TV |
2927 | _omap_dispc_set_irqs(); |
2928 | ||
2929 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2930 | ||
2931 | return 0; | |
2932 | err: | |
2933 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2934 | ||
2935 | return ret; | |
2936 | } | |
2937 | EXPORT_SYMBOL(omap_dispc_register_isr); | |
2938 | ||
2939 | int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | |
2940 | { | |
2941 | int i; | |
2942 | unsigned long flags; | |
2943 | int ret = -EINVAL; | |
2944 | struct omap_dispc_isr_data *isr_data; | |
2945 | ||
2946 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
2947 | ||
2948 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
2949 | isr_data = &dispc.registered_isr[i]; | |
2950 | if (isr_data->isr != isr || isr_data->arg != arg || | |
2951 | isr_data->mask != mask) | |
2952 | continue; | |
2953 | ||
2954 | /* found the correct isr */ | |
2955 | ||
2956 | isr_data->isr = NULL; | |
2957 | isr_data->arg = NULL; | |
2958 | isr_data->mask = 0; | |
2959 | ||
2960 | ret = 0; | |
2961 | break; | |
2962 | } | |
2963 | ||
2964 | if (ret == 0) | |
2965 | _omap_dispc_set_irqs(); | |
2966 | ||
2967 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
2968 | ||
2969 | return ret; | |
2970 | } | |
2971 | EXPORT_SYMBOL(omap_dispc_unregister_isr); | |
2972 | ||
2973 | #ifdef DEBUG | |
2974 | static void print_irq_status(u32 status) | |
2975 | { | |
2976 | if ((status & dispc.irq_error_mask) == 0) | |
2977 | return; | |
2978 | ||
2979 | printk(KERN_DEBUG "DISPC IRQ: 0x%x: ", status); | |
2980 | ||
2981 | #define PIS(x) \ | |
2982 | if (status & DISPC_IRQ_##x) \ | |
2983 | printk(#x " "); | |
2984 | PIS(GFX_FIFO_UNDERFLOW); | |
2985 | PIS(OCP_ERR); | |
2986 | PIS(VID1_FIFO_UNDERFLOW); | |
2987 | PIS(VID2_FIFO_UNDERFLOW); | |
2988 | PIS(SYNC_LOST); | |
2989 | PIS(SYNC_LOST_DIGIT); | |
2a205f34 SS |
2990 | if (dss_has_feature(FEAT_MGR_LCD2)) |
2991 | PIS(SYNC_LOST2); | |
80c39712 TV |
2992 | #undef PIS |
2993 | ||
2994 | printk("\n"); | |
2995 | } | |
2996 | #endif | |
2997 | ||
2998 | /* Called from dss.c. Note that we don't touch clocks here, | |
2999 | * but we presume they are on because we got an IRQ. However, | |
3000 | * an irq handler may turn the clocks off, so we may not have | |
3001 | * clock later in the function. */ | |
affe360d | 3002 | static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) |
80c39712 TV |
3003 | { |
3004 | int i; | |
affe360d | 3005 | u32 irqstatus, irqenable; |
80c39712 TV |
3006 | u32 handledirqs = 0; |
3007 | u32 unhandled_errors; | |
3008 | struct omap_dispc_isr_data *isr_data; | |
3009 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | |
3010 | ||
3011 | spin_lock(&dispc.irq_lock); | |
3012 | ||
3013 | irqstatus = dispc_read_reg(DISPC_IRQSTATUS); | |
affe360d | 3014 | irqenable = dispc_read_reg(DISPC_IRQENABLE); |
3015 | ||
3016 | /* IRQ is not for us */ | |
3017 | if (!(irqstatus & irqenable)) { | |
3018 | spin_unlock(&dispc.irq_lock); | |
3019 | return IRQ_NONE; | |
3020 | } | |
80c39712 | 3021 | |
dfc0fd8d TV |
3022 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
3023 | spin_lock(&dispc.irq_stats_lock); | |
3024 | dispc.irq_stats.irq_count++; | |
3025 | dss_collect_irq_stats(irqstatus, dispc.irq_stats.irqs); | |
3026 | spin_unlock(&dispc.irq_stats_lock); | |
3027 | #endif | |
3028 | ||
80c39712 TV |
3029 | #ifdef DEBUG |
3030 | if (dss_debug) | |
3031 | print_irq_status(irqstatus); | |
3032 | #endif | |
3033 | /* Ack the interrupt. Do it here before clocks are possibly turned | |
3034 | * off */ | |
3035 | dispc_write_reg(DISPC_IRQSTATUS, irqstatus); | |
3036 | /* flush posted write */ | |
3037 | dispc_read_reg(DISPC_IRQSTATUS); | |
3038 | ||
3039 | /* make a copy and unlock, so that isrs can unregister | |
3040 | * themselves */ | |
3041 | memcpy(registered_isr, dispc.registered_isr, | |
3042 | sizeof(registered_isr)); | |
3043 | ||
3044 | spin_unlock(&dispc.irq_lock); | |
3045 | ||
3046 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3047 | isr_data = ®istered_isr[i]; | |
3048 | ||
3049 | if (!isr_data->isr) | |
3050 | continue; | |
3051 | ||
3052 | if (isr_data->mask & irqstatus) { | |
3053 | isr_data->isr(isr_data->arg, irqstatus); | |
3054 | handledirqs |= isr_data->mask; | |
3055 | } | |
3056 | } | |
3057 | ||
3058 | spin_lock(&dispc.irq_lock); | |
3059 | ||
3060 | unhandled_errors = irqstatus & ~handledirqs & dispc.irq_error_mask; | |
3061 | ||
3062 | if (unhandled_errors) { | |
3063 | dispc.error_irqs |= unhandled_errors; | |
3064 | ||
3065 | dispc.irq_error_mask &= ~unhandled_errors; | |
3066 | _omap_dispc_set_irqs(); | |
3067 | ||
3068 | schedule_work(&dispc.error_work); | |
3069 | } | |
3070 | ||
3071 | spin_unlock(&dispc.irq_lock); | |
affe360d | 3072 | |
3073 | return IRQ_HANDLED; | |
80c39712 TV |
3074 | } |
3075 | ||
3076 | static void dispc_error_worker(struct work_struct *work) | |
3077 | { | |
3078 | int i; | |
3079 | u32 errors; | |
3080 | unsigned long flags; | |
fe3cc9d6 TV |
3081 | static const unsigned fifo_underflow_bits[] = { |
3082 | DISPC_IRQ_GFX_FIFO_UNDERFLOW, | |
3083 | DISPC_IRQ_VID1_FIFO_UNDERFLOW, | |
3084 | DISPC_IRQ_VID2_FIFO_UNDERFLOW, | |
3085 | }; | |
3086 | ||
3087 | static const unsigned sync_lost_bits[] = { | |
3088 | DISPC_IRQ_SYNC_LOST, | |
3089 | DISPC_IRQ_SYNC_LOST_DIGIT, | |
3090 | DISPC_IRQ_SYNC_LOST2, | |
3091 | }; | |
80c39712 TV |
3092 | |
3093 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3094 | errors = dispc.error_irqs; | |
3095 | dispc.error_irqs = 0; | |
3096 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3097 | ||
13eae1f9 DZ |
3098 | dispc_runtime_get(); |
3099 | ||
fe3cc9d6 TV |
3100 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { |
3101 | struct omap_overlay *ovl; | |
3102 | unsigned bit; | |
80c39712 | 3103 | |
fe3cc9d6 TV |
3104 | ovl = omap_dss_get_overlay(i); |
3105 | bit = fifo_underflow_bits[i]; | |
80c39712 | 3106 | |
fe3cc9d6 TV |
3107 | if (bit & errors) { |
3108 | DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n", | |
3109 | ovl->name); | |
f0e5caab | 3110 | dispc_ovl_enable(ovl->id, false); |
26d9dd0d | 3111 | dispc_mgr_go(ovl->manager->id); |
80c39712 | 3112 | mdelay(50); |
80c39712 TV |
3113 | } |
3114 | } | |
3115 | ||
fe3cc9d6 TV |
3116 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { |
3117 | struct omap_overlay_manager *mgr; | |
3118 | unsigned bit; | |
80c39712 | 3119 | |
fe3cc9d6 TV |
3120 | mgr = omap_dss_get_overlay_manager(i); |
3121 | bit = sync_lost_bits[i]; | |
80c39712 | 3122 | |
fe3cc9d6 TV |
3123 | if (bit & errors) { |
3124 | struct omap_dss_device *dssdev = mgr->device; | |
3125 | bool enable; | |
80c39712 | 3126 | |
fe3cc9d6 TV |
3127 | DSSERR("SYNC_LOST on channel %s, restarting the output " |
3128 | "with video overlays disabled\n", | |
3129 | mgr->name); | |
2a205f34 | 3130 | |
fe3cc9d6 TV |
3131 | enable = dssdev->state == OMAP_DSS_DISPLAY_ACTIVE; |
3132 | dssdev->driver->disable(dssdev); | |
2a205f34 | 3133 | |
2a205f34 SS |
3134 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { |
3135 | struct omap_overlay *ovl; | |
3136 | ovl = omap_dss_get_overlay(i); | |
3137 | ||
fe3cc9d6 TV |
3138 | if (ovl->id != OMAP_DSS_GFX && |
3139 | ovl->manager == mgr) | |
f0e5caab | 3140 | dispc_ovl_enable(ovl->id, false); |
2a205f34 SS |
3141 | } |
3142 | ||
26d9dd0d | 3143 | dispc_mgr_go(mgr->id); |
2a205f34 | 3144 | mdelay(50); |
fe3cc9d6 | 3145 | |
2a205f34 SS |
3146 | if (enable) |
3147 | dssdev->driver->enable(dssdev); | |
3148 | } | |
3149 | } | |
3150 | ||
80c39712 TV |
3151 | if (errors & DISPC_IRQ_OCP_ERR) { |
3152 | DSSERR("OCP_ERR\n"); | |
3153 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | |
3154 | struct omap_overlay_manager *mgr; | |
3155 | mgr = omap_dss_get_overlay_manager(i); | |
4a9e78ab | 3156 | mgr->device->driver->disable(mgr->device); |
80c39712 TV |
3157 | } |
3158 | } | |
3159 | ||
3160 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3161 | dispc.irq_error_mask |= errors; | |
3162 | _omap_dispc_set_irqs(); | |
3163 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
13eae1f9 DZ |
3164 | |
3165 | dispc_runtime_put(); | |
80c39712 TV |
3166 | } |
3167 | ||
3168 | int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout) | |
3169 | { | |
3170 | void dispc_irq_wait_handler(void *data, u32 mask) | |
3171 | { | |
3172 | complete((struct completion *)data); | |
3173 | } | |
3174 | ||
3175 | int r; | |
3176 | DECLARE_COMPLETION_ONSTACK(completion); | |
3177 | ||
3178 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | |
3179 | irqmask); | |
3180 | ||
3181 | if (r) | |
3182 | return r; | |
3183 | ||
3184 | timeout = wait_for_completion_timeout(&completion, timeout); | |
3185 | ||
3186 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | |
3187 | ||
3188 | if (timeout == 0) | |
3189 | return -ETIMEDOUT; | |
3190 | ||
3191 | if (timeout == -ERESTARTSYS) | |
3192 | return -ERESTARTSYS; | |
3193 | ||
3194 | return 0; | |
3195 | } | |
3196 | ||
3197 | int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, | |
3198 | unsigned long timeout) | |
3199 | { | |
3200 | void dispc_irq_wait_handler(void *data, u32 mask) | |
3201 | { | |
3202 | complete((struct completion *)data); | |
3203 | } | |
3204 | ||
3205 | int r; | |
3206 | DECLARE_COMPLETION_ONSTACK(completion); | |
3207 | ||
3208 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | |
3209 | irqmask); | |
3210 | ||
3211 | if (r) | |
3212 | return r; | |
3213 | ||
3214 | timeout = wait_for_completion_interruptible_timeout(&completion, | |
3215 | timeout); | |
3216 | ||
3217 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | |
3218 | ||
3219 | if (timeout == 0) | |
3220 | return -ETIMEDOUT; | |
3221 | ||
3222 | if (timeout == -ERESTARTSYS) | |
3223 | return -ERESTARTSYS; | |
3224 | ||
3225 | return 0; | |
3226 | } | |
3227 | ||
3228 | #ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC | |
3229 | void dispc_fake_vsync_irq(void) | |
3230 | { | |
3231 | u32 irqstatus = DISPC_IRQ_VSYNC; | |
3232 | int i; | |
3233 | ||
ab83b14c | 3234 | WARN_ON(!in_interrupt()); |
80c39712 TV |
3235 | |
3236 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | |
3237 | struct omap_dispc_isr_data *isr_data; | |
3238 | isr_data = &dispc.registered_isr[i]; | |
3239 | ||
3240 | if (!isr_data->isr) | |
3241 | continue; | |
3242 | ||
3243 | if (isr_data->mask & irqstatus) | |
3244 | isr_data->isr(isr_data->arg, irqstatus); | |
3245 | } | |
80c39712 TV |
3246 | } |
3247 | #endif | |
3248 | ||
3249 | static void _omap_dispc_initialize_irq(void) | |
3250 | { | |
3251 | unsigned long flags; | |
3252 | ||
3253 | spin_lock_irqsave(&dispc.irq_lock, flags); | |
3254 | ||
3255 | memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr)); | |
3256 | ||
3257 | dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR; | |
2a205f34 SS |
3258 | if (dss_has_feature(FEAT_MGR_LCD2)) |
3259 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; | |
80c39712 TV |
3260 | |
3261 | /* there's SYNC_LOST_DIGIT waiting after enabling the DSS, | |
3262 | * so clear it */ | |
3263 | dispc_write_reg(DISPC_IRQSTATUS, dispc_read_reg(DISPC_IRQSTATUS)); | |
3264 | ||
3265 | _omap_dispc_set_irqs(); | |
3266 | ||
3267 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | |
3268 | } | |
3269 | ||
3270 | void dispc_enable_sidle(void) | |
3271 | { | |
3272 | REG_FLD_MOD(DISPC_SYSCONFIG, 2, 4, 3); /* SIDLEMODE: smart idle */ | |
3273 | } | |
3274 | ||
3275 | void dispc_disable_sidle(void) | |
3276 | { | |
3277 | REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3); /* SIDLEMODE: no idle */ | |
3278 | } | |
3279 | ||
3280 | static void _omap_dispc_initial_config(void) | |
3281 | { | |
3282 | u32 l; | |
3283 | ||
0cf35df3 MR |
3284 | /* Exclusively enable DISPC_CORE_CLK and set divider to 1 */ |
3285 | if (dss_has_feature(FEAT_CORE_CLK_DIV)) { | |
3286 | l = dispc_read_reg(DISPC_DIVISOR); | |
3287 | /* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */ | |
3288 | l = FLD_MOD(l, 1, 0, 0); | |
3289 | l = FLD_MOD(l, 1, 23, 16); | |
3290 | dispc_write_reg(DISPC_DIVISOR, l); | |
3291 | } | |
3292 | ||
80c39712 | 3293 | /* FUNCGATED */ |
6ced40bf AT |
3294 | if (dss_has_feature(FEAT_FUNCGATED)) |
3295 | REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9); | |
80c39712 TV |
3296 | |
3297 | /* L3 firewall setting: enable access to OCM RAM */ | |
3298 | /* XXX this should be somewhere in plat-omap */ | |
3299 | if (cpu_is_omap24xx()) | |
3300 | __raw_writel(0x402000b0, OMAP2_L3_IO_ADDRESS(0x680050a0)); | |
3301 | ||
3302 | _dispc_setup_color_conv_coef(); | |
3303 | ||
3304 | dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY); | |
3305 | ||
3306 | dispc_read_plane_fifo_sizes(); | |
5ed8cf5b TV |
3307 | |
3308 | dispc_configure_burst_sizes(); | |
80c39712 TV |
3309 | } |
3310 | ||
060b6d9c SG |
3311 | /* DISPC HW IP initialisation */ |
3312 | static int omap_dispchw_probe(struct platform_device *pdev) | |
3313 | { | |
3314 | u32 rev; | |
affe360d | 3315 | int r = 0; |
ea9da36a | 3316 | struct resource *dispc_mem; |
4fbafaf3 | 3317 | struct clk *clk; |
ea9da36a | 3318 | |
060b6d9c SG |
3319 | dispc.pdev = pdev; |
3320 | ||
4fbafaf3 TV |
3321 | clk = clk_get(&pdev->dev, "fck"); |
3322 | if (IS_ERR(clk)) { | |
3323 | DSSERR("can't get fck\n"); | |
3324 | r = PTR_ERR(clk); | |
3325 | goto err_get_clk; | |
3326 | } | |
3327 | ||
3328 | dispc.dss_clk = clk; | |
3329 | ||
060b6d9c SG |
3330 | spin_lock_init(&dispc.irq_lock); |
3331 | ||
3332 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | |
3333 | spin_lock_init(&dispc.irq_stats_lock); | |
3334 | dispc.irq_stats.last_reset = jiffies; | |
3335 | #endif | |
3336 | ||
3337 | INIT_WORK(&dispc.error_work, dispc_error_worker); | |
3338 | ||
ea9da36a SG |
3339 | dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); |
3340 | if (!dispc_mem) { | |
3341 | DSSERR("can't get IORESOURCE_MEM DISPC\n"); | |
affe360d | 3342 | r = -EINVAL; |
4fbafaf3 | 3343 | goto err_ioremap; |
ea9da36a SG |
3344 | } |
3345 | dispc.base = ioremap(dispc_mem->start, resource_size(dispc_mem)); | |
060b6d9c SG |
3346 | if (!dispc.base) { |
3347 | DSSERR("can't ioremap DISPC\n"); | |
affe360d | 3348 | r = -ENOMEM; |
4fbafaf3 | 3349 | goto err_ioremap; |
affe360d | 3350 | } |
3351 | dispc.irq = platform_get_irq(dispc.pdev, 0); | |
3352 | if (dispc.irq < 0) { | |
3353 | DSSERR("platform_get_irq failed\n"); | |
3354 | r = -ENODEV; | |
4fbafaf3 | 3355 | goto err_irq; |
affe360d | 3356 | } |
3357 | ||
3358 | r = request_irq(dispc.irq, omap_dispc_irq_handler, IRQF_SHARED, | |
3359 | "OMAP DISPC", dispc.pdev); | |
3360 | if (r < 0) { | |
3361 | DSSERR("request_irq failed\n"); | |
4fbafaf3 | 3362 | goto err_irq; |
060b6d9c SG |
3363 | } |
3364 | ||
4fbafaf3 TV |
3365 | pm_runtime_enable(&pdev->dev); |
3366 | ||
3367 | r = dispc_runtime_get(); | |
3368 | if (r) | |
3369 | goto err_runtime_get; | |
060b6d9c SG |
3370 | |
3371 | _omap_dispc_initial_config(); | |
3372 | ||
3373 | _omap_dispc_initialize_irq(); | |
3374 | ||
060b6d9c | 3375 | rev = dispc_read_reg(DISPC_REVISION); |
a06b62f8 | 3376 | dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n", |
060b6d9c SG |
3377 | FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); |
3378 | ||
4fbafaf3 | 3379 | dispc_runtime_put(); |
060b6d9c SG |
3380 | |
3381 | return 0; | |
4fbafaf3 TV |
3382 | |
3383 | err_runtime_get: | |
3384 | pm_runtime_disable(&pdev->dev); | |
3385 | free_irq(dispc.irq, dispc.pdev); | |
3386 | err_irq: | |
affe360d | 3387 | iounmap(dispc.base); |
4fbafaf3 TV |
3388 | err_ioremap: |
3389 | clk_put(dispc.dss_clk); | |
3390 | err_get_clk: | |
affe360d | 3391 | return r; |
060b6d9c SG |
3392 | } |
3393 | ||
3394 | static int omap_dispchw_remove(struct platform_device *pdev) | |
3395 | { | |
4fbafaf3 TV |
3396 | pm_runtime_disable(&pdev->dev); |
3397 | ||
3398 | clk_put(dispc.dss_clk); | |
3399 | ||
affe360d | 3400 | free_irq(dispc.irq, dispc.pdev); |
060b6d9c SG |
3401 | iounmap(dispc.base); |
3402 | return 0; | |
3403 | } | |
3404 | ||
4fbafaf3 TV |
3405 | static int dispc_runtime_suspend(struct device *dev) |
3406 | { | |
3407 | dispc_save_context(); | |
4fbafaf3 TV |
3408 | dss_runtime_put(); |
3409 | ||
3410 | return 0; | |
3411 | } | |
3412 | ||
3413 | static int dispc_runtime_resume(struct device *dev) | |
3414 | { | |
3415 | int r; | |
3416 | ||
3417 | r = dss_runtime_get(); | |
3418 | if (r < 0) | |
3419 | return r; | |
3420 | ||
49ea86f3 | 3421 | dispc_restore_context(); |
4fbafaf3 TV |
3422 | |
3423 | return 0; | |
3424 | } | |
3425 | ||
3426 | static const struct dev_pm_ops dispc_pm_ops = { | |
3427 | .runtime_suspend = dispc_runtime_suspend, | |
3428 | .runtime_resume = dispc_runtime_resume, | |
3429 | }; | |
3430 | ||
060b6d9c SG |
3431 | static struct platform_driver omap_dispchw_driver = { |
3432 | .probe = omap_dispchw_probe, | |
3433 | .remove = omap_dispchw_remove, | |
3434 | .driver = { | |
3435 | .name = "omapdss_dispc", | |
3436 | .owner = THIS_MODULE, | |
4fbafaf3 | 3437 | .pm = &dispc_pm_ops, |
060b6d9c SG |
3438 | }, |
3439 | }; | |
3440 | ||
3441 | int dispc_init_platform_driver(void) | |
3442 | { | |
3443 | return platform_driver_register(&omap_dispchw_driver); | |
3444 | } | |
3445 | ||
3446 | void dispc_uninit_platform_driver(void) | |
3447 | { | |
3448 | return platform_driver_unregister(&omap_dispchw_driver); | |
3449 | } |