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[people/ms/u-boot.git] / drivers / video / ipu_disp.c
1 /*
2 * Porting to u-boot:
3 *
4 * (C) Copyright 2010
5 * Stefano Babic, DENX Software Engineering, sbabic@denx.de
6 *
7 * Linux IPU driver for MX51:
8 *
9 * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
10 *
11 * SPDX-License-Identifier: GPL-2.0+
12 */
13
14 /* #define DEBUG */
15
16 #include <common.h>
17 #include <linux/types.h>
18 #include <asm/errno.h>
19 #include <asm/io.h>
20 #include <asm/arch/imx-regs.h>
21 #include <asm/arch/sys_proto.h>
22 #include "ipu.h"
23 #include "ipu_regs.h"
24
25 enum csc_type_t {
26 RGB2YUV = 0,
27 YUV2RGB,
28 RGB2RGB,
29 YUV2YUV,
30 CSC_NONE,
31 CSC_NUM
32 };
33
34 struct dp_csc_param_t {
35 int mode;
36 void *coeff;
37 };
38
39 #define SYNC_WAVE 0
40
41 /* DC display ID assignments */
42 #define DC_DISP_ID_SYNC(di) (di)
43 #define DC_DISP_ID_SERIAL 2
44 #define DC_DISP_ID_ASYNC 3
45
46 int dmfc_type_setup;
47 static int dmfc_size_28, dmfc_size_29, dmfc_size_24, dmfc_size_27, dmfc_size_23;
48 int g_di1_tvout;
49
50 extern struct clk *g_ipu_clk;
51 extern struct clk *g_ldb_clk;
52 extern struct clk *g_di_clk[2];
53 extern struct clk *g_pixel_clk[2];
54
55 extern unsigned char g_ipu_clk_enabled;
56 extern unsigned char g_dc_di_assignment[];
57
58 void ipu_dmfc_init(int dmfc_type, int first)
59 {
60 u32 dmfc_wr_chan, dmfc_dp_chan;
61
62 if (first) {
63 if (dmfc_type_setup > dmfc_type)
64 dmfc_type = dmfc_type_setup;
65 else
66 dmfc_type_setup = dmfc_type;
67
68 /* disable DMFC-IC channel*/
69 __raw_writel(0x2, DMFC_IC_CTRL);
70 } else if (dmfc_type_setup >= DMFC_HIGH_RESOLUTION_DC) {
71 printf("DMFC high resolution has set, will not change\n");
72 return;
73 } else
74 dmfc_type_setup = dmfc_type;
75
76 if (dmfc_type == DMFC_HIGH_RESOLUTION_DC) {
77 /* 1 - segment 0~3;
78 * 5B - segement 4, 5;
79 * 5F - segement 6, 7;
80 * 1C, 2C and 6B, 6F unused;
81 */
82 debug("IPU DMFC DC HIGH RES: 1(0~3), 5B(4,5), 5F(6,7)\n");
83 dmfc_wr_chan = 0x00000088;
84 dmfc_dp_chan = 0x00009694;
85 dmfc_size_28 = 256 * 4;
86 dmfc_size_29 = 0;
87 dmfc_size_24 = 0;
88 dmfc_size_27 = 128 * 4;
89 dmfc_size_23 = 128 * 4;
90 } else if (dmfc_type == DMFC_HIGH_RESOLUTION_DP) {
91 /* 1 - segment 0, 1;
92 * 5B - segement 2~5;
93 * 5F - segement 6,7;
94 * 1C, 2C and 6B, 6F unused;
95 */
96 debug("IPU DMFC DP HIGH RES: 1(0,1), 5B(2~5), 5F(6,7)\n");
97 dmfc_wr_chan = 0x00000090;
98 dmfc_dp_chan = 0x0000968a;
99 dmfc_size_28 = 128 * 4;
100 dmfc_size_29 = 0;
101 dmfc_size_24 = 0;
102 dmfc_size_27 = 128 * 4;
103 dmfc_size_23 = 256 * 4;
104 } else if (dmfc_type == DMFC_HIGH_RESOLUTION_ONLY_DP) {
105 /* 5B - segement 0~3;
106 * 5F - segement 4~7;
107 * 1, 1C, 2C and 6B, 6F unused;
108 */
109 debug("IPU DMFC ONLY-DP HIGH RES: 5B(0~3), 5F(4~7)\n");
110 dmfc_wr_chan = 0x00000000;
111 dmfc_dp_chan = 0x00008c88;
112 dmfc_size_28 = 0;
113 dmfc_size_29 = 0;
114 dmfc_size_24 = 0;
115 dmfc_size_27 = 256 * 4;
116 dmfc_size_23 = 256 * 4;
117 } else {
118 /* 1 - segment 0, 1;
119 * 5B - segement 4, 5;
120 * 5F - segement 6, 7;
121 * 1C, 2C and 6B, 6F unused;
122 */
123 debug("IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)\n");
124 dmfc_wr_chan = 0x00000090;
125 dmfc_dp_chan = 0x00009694;
126 dmfc_size_28 = 128 * 4;
127 dmfc_size_29 = 0;
128 dmfc_size_24 = 0;
129 dmfc_size_27 = 128 * 4;
130 dmfc_size_23 = 128 * 4;
131 }
132 __raw_writel(dmfc_wr_chan, DMFC_WR_CHAN);
133 __raw_writel(0x202020F6, DMFC_WR_CHAN_DEF);
134 __raw_writel(dmfc_dp_chan, DMFC_DP_CHAN);
135 /* Enable chan 5 watermark set at 5 bursts and clear at 7 bursts */
136 __raw_writel(0x2020F6F6, DMFC_DP_CHAN_DEF);
137 }
138
139 void ipu_dmfc_set_wait4eot(int dma_chan, int width)
140 {
141 u32 dmfc_gen1 = __raw_readl(DMFC_GENERAL1);
142
143 if (width >= HIGH_RESOLUTION_WIDTH) {
144 if (dma_chan == 23)
145 ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DP, 0);
146 else if (dma_chan == 28)
147 ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DC, 0);
148 }
149
150 if (dma_chan == 23) { /*5B*/
151 if (dmfc_size_23 / width > 3)
152 dmfc_gen1 |= 1UL << 20;
153 else
154 dmfc_gen1 &= ~(1UL << 20);
155 } else if (dma_chan == 24) { /*6B*/
156 if (dmfc_size_24 / width > 1)
157 dmfc_gen1 |= 1UL << 22;
158 else
159 dmfc_gen1 &= ~(1UL << 22);
160 } else if (dma_chan == 27) { /*5F*/
161 if (dmfc_size_27 / width > 2)
162 dmfc_gen1 |= 1UL << 21;
163 else
164 dmfc_gen1 &= ~(1UL << 21);
165 } else if (dma_chan == 28) { /*1*/
166 if (dmfc_size_28 / width > 2)
167 dmfc_gen1 |= 1UL << 16;
168 else
169 dmfc_gen1 &= ~(1UL << 16);
170 } else if (dma_chan == 29) { /*6F*/
171 if (dmfc_size_29 / width > 1)
172 dmfc_gen1 |= 1UL << 23;
173 else
174 dmfc_gen1 &= ~(1UL << 23);
175 }
176
177 __raw_writel(dmfc_gen1, DMFC_GENERAL1);
178 }
179
180 static void ipu_di_data_wave_config(int di,
181 int wave_gen,
182 int access_size, int component_size)
183 {
184 u32 reg;
185 reg = (access_size << DI_DW_GEN_ACCESS_SIZE_OFFSET) |
186 (component_size << DI_DW_GEN_COMPONENT_SIZE_OFFSET);
187 __raw_writel(reg, DI_DW_GEN(di, wave_gen));
188 }
189
190 static void ipu_di_data_pin_config(int di, int wave_gen, int di_pin, int set,
191 int up, int down)
192 {
193 u32 reg;
194
195 reg = __raw_readl(DI_DW_GEN(di, wave_gen));
196 reg &= ~(0x3 << (di_pin * 2));
197 reg |= set << (di_pin * 2);
198 __raw_writel(reg, DI_DW_GEN(di, wave_gen));
199
200 __raw_writel((down << 16) | up, DI_DW_SET(di, wave_gen, set));
201 }
202
203 static void ipu_di_sync_config(int di, int wave_gen,
204 int run_count, int run_src,
205 int offset_count, int offset_src,
206 int repeat_count, int cnt_clr_src,
207 int cnt_polarity_gen_en,
208 int cnt_polarity_clr_src,
209 int cnt_polarity_trigger_src,
210 int cnt_up, int cnt_down)
211 {
212 u32 reg;
213
214 if ((run_count >= 0x1000) || (offset_count >= 0x1000) ||
215 (repeat_count >= 0x1000) ||
216 (cnt_up >= 0x400) || (cnt_down >= 0x400)) {
217 printf("DI%d counters out of range.\n", di);
218 return;
219 }
220
221 reg = (run_count << 19) | (++run_src << 16) |
222 (offset_count << 3) | ++offset_src;
223 __raw_writel(reg, DI_SW_GEN0(di, wave_gen));
224 reg = (cnt_polarity_gen_en << 29) | (++cnt_clr_src << 25) |
225 (++cnt_polarity_trigger_src << 12) | (++cnt_polarity_clr_src << 9);
226 reg |= (cnt_down << 16) | cnt_up;
227 if (repeat_count == 0) {
228 /* Enable auto reload */
229 reg |= 0x10000000;
230 }
231 __raw_writel(reg, DI_SW_GEN1(di, wave_gen));
232 reg = __raw_readl(DI_STP_REP(di, wave_gen));
233 reg &= ~(0xFFFF << (16 * ((wave_gen - 1) & 0x1)));
234 reg |= repeat_count << (16 * ((wave_gen - 1) & 0x1));
235 __raw_writel(reg, DI_STP_REP(di, wave_gen));
236 }
237
238 static void ipu_dc_map_config(int map, int byte_num, int offset, int mask)
239 {
240 int ptr = map * 3 + byte_num;
241 u32 reg;
242
243 reg = __raw_readl(DC_MAP_CONF_VAL(ptr));
244 reg &= ~(0xFFFF << (16 * (ptr & 0x1)));
245 reg |= ((offset << 8) | mask) << (16 * (ptr & 0x1));
246 __raw_writel(reg, DC_MAP_CONF_VAL(ptr));
247
248 reg = __raw_readl(DC_MAP_CONF_PTR(map));
249 reg &= ~(0x1F << ((16 * (map & 0x1)) + (5 * byte_num)));
250 reg |= ptr << ((16 * (map & 0x1)) + (5 * byte_num));
251 __raw_writel(reg, DC_MAP_CONF_PTR(map));
252 }
253
254 static void ipu_dc_map_clear(int map)
255 {
256 u32 reg = __raw_readl(DC_MAP_CONF_PTR(map));
257 __raw_writel(reg & ~(0xFFFF << (16 * (map & 0x1))),
258 DC_MAP_CONF_PTR(map));
259 }
260
261 static void ipu_dc_write_tmpl(int word, u32 opcode, u32 operand, int map,
262 int wave, int glue, int sync)
263 {
264 u32 reg;
265 int stop = 1;
266
267 reg = sync;
268 reg |= (glue << 4);
269 reg |= (++wave << 11);
270 reg |= (++map << 15);
271 reg |= (operand << 20) & 0xFFF00000;
272 __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
273
274 reg = (operand >> 12);
275 reg |= opcode << 4;
276 reg |= (stop << 9);
277 __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
278 }
279
280 static void ipu_dc_link_event(int chan, int event, int addr, int priority)
281 {
282 u32 reg;
283
284 reg = __raw_readl(DC_RL_CH(chan, event));
285 reg &= ~(0xFFFF << (16 * (event & 0x1)));
286 reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
287 __raw_writel(reg, DC_RL_CH(chan, event));
288 }
289
290 /* Y = R * 1.200 + G * 2.343 + B * .453 + 0.250;
291 * U = R * -.672 + G * -1.328 + B * 2.000 + 512.250.;
292 * V = R * 2.000 + G * -1.672 + B * -.328 + 512.250.;
293 */
294 static const int rgb2ycbcr_coeff[5][3] = {
295 {0x4D, 0x96, 0x1D},
296 {0x3D5, 0x3AB, 0x80},
297 {0x80, 0x395, 0x3EB},
298 {0x0000, 0x0200, 0x0200}, /* B0, B1, B2 */
299 {0x2, 0x2, 0x2}, /* S0, S1, S2 */
300 };
301
302 /* R = (1.164 * (Y - 16)) + (1.596 * (Cr - 128));
303 * G = (1.164 * (Y - 16)) - (0.392 * (Cb - 128)) - (0.813 * (Cr - 128));
304 * B = (1.164 * (Y - 16)) + (2.017 * (Cb - 128);
305 */
306 static const int ycbcr2rgb_coeff[5][3] = {
307 {0x095, 0x000, 0x0CC},
308 {0x095, 0x3CE, 0x398},
309 {0x095, 0x0FF, 0x000},
310 {0x3E42, 0x010A, 0x3DD6}, /*B0,B1,B2 */
311 {0x1, 0x1, 0x1}, /*S0,S1,S2 */
312 };
313
314 #define mask_a(a) ((u32)(a) & 0x3FF)
315 #define mask_b(b) ((u32)(b) & 0x3FFF)
316
317 /* Pls keep S0, S1 and S2 as 0x2 by using this convertion */
318 static int rgb_to_yuv(int n, int red, int green, int blue)
319 {
320 int c;
321 c = red * rgb2ycbcr_coeff[n][0];
322 c += green * rgb2ycbcr_coeff[n][1];
323 c += blue * rgb2ycbcr_coeff[n][2];
324 c /= 16;
325 c += rgb2ycbcr_coeff[3][n] * 4;
326 c += 8;
327 c /= 16;
328 if (c < 0)
329 c = 0;
330 if (c > 255)
331 c = 255;
332 return c;
333 }
334
335 /*
336 * Row is for BG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
337 * Column is for FG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
338 */
339 static struct dp_csc_param_t dp_csc_array[CSC_NUM][CSC_NUM] = {
340 {
341 {DP_COM_CONF_CSC_DEF_BOTH, &rgb2ycbcr_coeff},
342 {0, 0},
343 {0, 0},
344 {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff},
345 {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff}
346 },
347 {
348 {0, 0},
349 {DP_COM_CONF_CSC_DEF_BOTH, &ycbcr2rgb_coeff},
350 {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff},
351 {0, 0},
352 {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff}
353 },
354 {
355 {0, 0},
356 {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
357 {0, 0},
358 {0, 0},
359 {0, 0}
360 },
361 {
362 {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
363 {0, 0},
364 {0, 0},
365 {0, 0},
366 {0, 0}
367 },
368 {
369 {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
370 {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
371 {0, 0},
372 {0, 0},
373 {0, 0}
374 }
375 };
376
377 static enum csc_type_t fg_csc_type = CSC_NONE, bg_csc_type = CSC_NONE;
378 static int color_key_4rgb = 1;
379
380 void ipu_dp_csc_setup(int dp, struct dp_csc_param_t dp_csc_param,
381 unsigned char srm_mode_update)
382 {
383 u32 reg;
384 const int (*coeff)[5][3];
385
386 if (dp_csc_param.mode >= 0) {
387 reg = __raw_readl(DP_COM_CONF());
388 reg &= ~DP_COM_CONF_CSC_DEF_MASK;
389 reg |= dp_csc_param.mode;
390 __raw_writel(reg, DP_COM_CONF());
391 }
392
393 coeff = dp_csc_param.coeff;
394
395 if (coeff) {
396 __raw_writel(mask_a((*coeff)[0][0]) |
397 (mask_a((*coeff)[0][1]) << 16), DP_CSC_A_0());
398 __raw_writel(mask_a((*coeff)[0][2]) |
399 (mask_a((*coeff)[1][0]) << 16), DP_CSC_A_1());
400 __raw_writel(mask_a((*coeff)[1][1]) |
401 (mask_a((*coeff)[1][2]) << 16), DP_CSC_A_2());
402 __raw_writel(mask_a((*coeff)[2][0]) |
403 (mask_a((*coeff)[2][1]) << 16), DP_CSC_A_3());
404 __raw_writel(mask_a((*coeff)[2][2]) |
405 (mask_b((*coeff)[3][0]) << 16) |
406 ((*coeff)[4][0] << 30), DP_CSC_0());
407 __raw_writel(mask_b((*coeff)[3][1]) | ((*coeff)[4][1] << 14) |
408 (mask_b((*coeff)[3][2]) << 16) |
409 ((*coeff)[4][2] << 30), DP_CSC_1());
410 }
411
412 if (srm_mode_update) {
413 reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
414 __raw_writel(reg, IPU_SRM_PRI2);
415 }
416 }
417
418 int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
419 uint32_t out_pixel_fmt)
420 {
421 int in_fmt, out_fmt;
422 int dp;
423 int partial = 0;
424 uint32_t reg;
425
426 if (channel == MEM_FG_SYNC) {
427 dp = DP_SYNC;
428 partial = 1;
429 } else if (channel == MEM_BG_SYNC) {
430 dp = DP_SYNC;
431 partial = 0;
432 } else if (channel == MEM_BG_ASYNC0) {
433 dp = DP_ASYNC0;
434 partial = 0;
435 } else {
436 return -EINVAL;
437 }
438
439 in_fmt = format_to_colorspace(in_pixel_fmt);
440 out_fmt = format_to_colorspace(out_pixel_fmt);
441
442 if (partial) {
443 if (in_fmt == RGB) {
444 if (out_fmt == RGB)
445 fg_csc_type = RGB2RGB;
446 else
447 fg_csc_type = RGB2YUV;
448 } else {
449 if (out_fmt == RGB)
450 fg_csc_type = YUV2RGB;
451 else
452 fg_csc_type = YUV2YUV;
453 }
454 } else {
455 if (in_fmt == RGB) {
456 if (out_fmt == RGB)
457 bg_csc_type = RGB2RGB;
458 else
459 bg_csc_type = RGB2YUV;
460 } else {
461 if (out_fmt == RGB)
462 bg_csc_type = YUV2RGB;
463 else
464 bg_csc_type = YUV2YUV;
465 }
466 }
467
468 /* Transform color key from rgb to yuv if CSC is enabled */
469 reg = __raw_readl(DP_COM_CONF());
470 if (color_key_4rgb && (reg & DP_COM_CONF_GWCKE) &&
471 (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
472 ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
473 ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
474 ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB)))) {
475 int red, green, blue;
476 int y, u, v;
477 uint32_t color_key = __raw_readl(DP_GRAPH_WIND_CTRL()) &
478 0xFFFFFFL;
479
480 debug("_ipu_dp_init color key 0x%x need change to yuv fmt!\n",
481 color_key);
482
483 red = (color_key >> 16) & 0xFF;
484 green = (color_key >> 8) & 0xFF;
485 blue = color_key & 0xFF;
486
487 y = rgb_to_yuv(0, red, green, blue);
488 u = rgb_to_yuv(1, red, green, blue);
489 v = rgb_to_yuv(2, red, green, blue);
490 color_key = (y << 16) | (u << 8) | v;
491
492 reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
493 __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
494 color_key_4rgb = 0;
495
496 debug("_ipu_dp_init color key change to yuv fmt 0x%x!\n",
497 color_key);
498 }
499
500 ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 1);
501
502 return 0;
503 }
504
505 void ipu_dp_uninit(ipu_channel_t channel)
506 {
507 int dp;
508 int partial = 0;
509
510 if (channel == MEM_FG_SYNC) {
511 dp = DP_SYNC;
512 partial = 1;
513 } else if (channel == MEM_BG_SYNC) {
514 dp = DP_SYNC;
515 partial = 0;
516 } else if (channel == MEM_BG_ASYNC0) {
517 dp = DP_ASYNC0;
518 partial = 0;
519 } else {
520 return;
521 }
522
523 if (partial)
524 fg_csc_type = CSC_NONE;
525 else
526 bg_csc_type = CSC_NONE;
527
528 ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 0);
529 }
530
531 void ipu_dc_init(int dc_chan, int di, unsigned char interlaced)
532 {
533 u32 reg = 0;
534
535 if ((dc_chan == 1) || (dc_chan == 5)) {
536 if (interlaced) {
537 ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 3);
538 ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 2);
539 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 1);
540 } else {
541 if (di) {
542 ipu_dc_link_event(dc_chan, DC_EVT_NL, 2, 3);
543 ipu_dc_link_event(dc_chan, DC_EVT_EOL, 3, 2);
544 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
545 4, 1);
546 } else {
547 ipu_dc_link_event(dc_chan, DC_EVT_NL, 5, 3);
548 ipu_dc_link_event(dc_chan, DC_EVT_EOL, 6, 2);
549 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
550 7, 1);
551 }
552 }
553 ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
554 ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
555 ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
556 ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
557 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
558 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
559
560 reg = 0x2;
561 reg |= DC_DISP_ID_SYNC(di) << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
562 reg |= di << 2;
563 if (interlaced)
564 reg |= DC_WR_CH_CONF_FIELD_MODE;
565 } else if ((dc_chan == 8) || (dc_chan == 9)) {
566 /* async channels */
567 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0x64, 1);
568 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0x64, 1);
569
570 reg = 0x3;
571 reg |= DC_DISP_ID_SERIAL << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
572 }
573 __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
574
575 __raw_writel(0x00000000, DC_WR_CH_ADDR(dc_chan));
576
577 __raw_writel(0x00000084, DC_GEN);
578 }
579
580 void ipu_dc_uninit(int dc_chan)
581 {
582 if ((dc_chan == 1) || (dc_chan == 5)) {
583 ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 0);
584 ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 0);
585 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 0);
586 ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
587 ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
588 ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
589 ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
590 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
591 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
592 } else if ((dc_chan == 8) || (dc_chan == 9)) {
593 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_0, 0, 0);
594 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_1, 0, 0);
595 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_0, 0, 0);
596 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_1, 0, 0);
597 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0, 0);
598 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0, 0);
599 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_0, 0, 0);
600 ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_1, 0, 0);
601 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_0, 0, 0);
602 ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_1, 0, 0);
603 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_0, 0, 0);
604 ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_1, 0, 0);
605 }
606 }
607
608 int ipu_chan_is_interlaced(ipu_channel_t channel)
609 {
610 if (channel == MEM_DC_SYNC)
611 return !!(__raw_readl(DC_WR_CH_CONF_1) &
612 DC_WR_CH_CONF_FIELD_MODE);
613 else if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC))
614 return !!(__raw_readl(DC_WR_CH_CONF_5) &
615 DC_WR_CH_CONF_FIELD_MODE);
616 return 0;
617 }
618
619 void ipu_dp_dc_enable(ipu_channel_t channel)
620 {
621 int di;
622 uint32_t reg;
623 uint32_t dc_chan;
624
625 if (channel == MEM_FG_SYNC)
626 dc_chan = 5;
627 if (channel == MEM_DC_SYNC)
628 dc_chan = 1;
629 else if (channel == MEM_BG_SYNC)
630 dc_chan = 5;
631 else
632 return;
633
634 if (channel == MEM_FG_SYNC) {
635 /* Enable FG channel */
636 reg = __raw_readl(DP_COM_CONF());
637 __raw_writel(reg | DP_COM_CONF_FG_EN, DP_COM_CONF());
638
639 reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
640 __raw_writel(reg, IPU_SRM_PRI2);
641 return;
642 }
643
644 di = g_dc_di_assignment[dc_chan];
645
646 /* Make sure other DC sync channel is not assigned same DI */
647 reg = __raw_readl(DC_WR_CH_CONF(6 - dc_chan));
648 if ((di << 2) == (reg & DC_WR_CH_CONF_PROG_DI_ID)) {
649 reg &= ~DC_WR_CH_CONF_PROG_DI_ID;
650 reg |= di ? 0 : DC_WR_CH_CONF_PROG_DI_ID;
651 __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
652 }
653
654 reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
655 reg |= 4 << DC_WR_CH_CONF_PROG_TYPE_OFFSET;
656 __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
657
658 clk_enable(g_pixel_clk[di]);
659 }
660
661 static unsigned char dc_swap;
662
663 void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap)
664 {
665 uint32_t reg;
666 uint32_t csc;
667 uint32_t dc_chan = 0;
668 int timeout = 50;
669
670 dc_swap = swap;
671
672 if (channel == MEM_DC_SYNC) {
673 dc_chan = 1;
674 } else if (channel == MEM_BG_SYNC) {
675 dc_chan = 5;
676 } else if (channel == MEM_FG_SYNC) {
677 /* Disable FG channel */
678 dc_chan = 5;
679
680 reg = __raw_readl(DP_COM_CONF());
681 csc = reg & DP_COM_CONF_CSC_DEF_MASK;
682 if (csc == DP_COM_CONF_CSC_DEF_FG)
683 reg &= ~DP_COM_CONF_CSC_DEF_MASK;
684
685 reg &= ~DP_COM_CONF_FG_EN;
686 __raw_writel(reg, DP_COM_CONF());
687
688 reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
689 __raw_writel(reg, IPU_SRM_PRI2);
690
691 timeout = 50;
692
693 /*
694 * Wait for DC triple buffer to empty,
695 * this check is useful for tv overlay.
696 */
697 if (g_dc_di_assignment[dc_chan] == 0)
698 while ((__raw_readl(DC_STAT) & 0x00000002)
699 != 0x00000002) {
700 udelay(2000);
701 timeout -= 2;
702 if (timeout <= 0)
703 break;
704 }
705 else if (g_dc_di_assignment[dc_chan] == 1)
706 while ((__raw_readl(DC_STAT) & 0x00000020)
707 != 0x00000020) {
708 udelay(2000);
709 timeout -= 2;
710 if (timeout <= 0)
711 break;
712 }
713 return;
714 } else {
715 return;
716 }
717
718 if (dc_swap) {
719 /* Swap DC channel 1 and 5 settings, and disable old dc chan */
720 reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
721 __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
722 reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
723 reg ^= DC_WR_CH_CONF_PROG_DI_ID;
724 __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
725 } else {
726 timeout = 50;
727
728 /* Wait for DC triple buffer to empty */
729 if (g_dc_di_assignment[dc_chan] == 0)
730 while ((__raw_readl(DC_STAT) & 0x00000002)
731 != 0x00000002) {
732 udelay(2000);
733 timeout -= 2;
734 if (timeout <= 0)
735 break;
736 }
737 else if (g_dc_di_assignment[dc_chan] == 1)
738 while ((__raw_readl(DC_STAT) & 0x00000020)
739 != 0x00000020) {
740 udelay(2000);
741 timeout -= 2;
742 if (timeout <= 0)
743 break;
744 }
745
746 reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
747 reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
748 __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
749
750 reg = __raw_readl(IPU_DISP_GEN);
751 if (g_dc_di_assignment[dc_chan])
752 reg &= ~DI1_COUNTER_RELEASE;
753 else
754 reg &= ~DI0_COUNTER_RELEASE;
755 __raw_writel(reg, IPU_DISP_GEN);
756
757 /* Clock is already off because it must be done quickly, but
758 we need to fix the ref count */
759 clk_disable(g_pixel_clk[g_dc_di_assignment[dc_chan]]);
760 }
761 }
762
763 void ipu_init_dc_mappings(void)
764 {
765 /* IPU_PIX_FMT_RGB24 */
766 ipu_dc_map_clear(0);
767 ipu_dc_map_config(0, 0, 7, 0xFF);
768 ipu_dc_map_config(0, 1, 15, 0xFF);
769 ipu_dc_map_config(0, 2, 23, 0xFF);
770
771 /* IPU_PIX_FMT_RGB666 */
772 ipu_dc_map_clear(1);
773 ipu_dc_map_config(1, 0, 5, 0xFC);
774 ipu_dc_map_config(1, 1, 11, 0xFC);
775 ipu_dc_map_config(1, 2, 17, 0xFC);
776
777 /* IPU_PIX_FMT_YUV444 */
778 ipu_dc_map_clear(2);
779 ipu_dc_map_config(2, 0, 15, 0xFF);
780 ipu_dc_map_config(2, 1, 23, 0xFF);
781 ipu_dc_map_config(2, 2, 7, 0xFF);
782
783 /* IPU_PIX_FMT_RGB565 */
784 ipu_dc_map_clear(3);
785 ipu_dc_map_config(3, 0, 4, 0xF8);
786 ipu_dc_map_config(3, 1, 10, 0xFC);
787 ipu_dc_map_config(3, 2, 15, 0xF8);
788
789 /* IPU_PIX_FMT_LVDS666 */
790 ipu_dc_map_clear(4);
791 ipu_dc_map_config(4, 0, 5, 0xFC);
792 ipu_dc_map_config(4, 1, 13, 0xFC);
793 ipu_dc_map_config(4, 2, 21, 0xFC);
794 }
795
796 int ipu_pixfmt_to_map(uint32_t fmt)
797 {
798 switch (fmt) {
799 case IPU_PIX_FMT_GENERIC:
800 case IPU_PIX_FMT_RGB24:
801 return 0;
802 case IPU_PIX_FMT_RGB666:
803 return 1;
804 case IPU_PIX_FMT_YUV444:
805 return 2;
806 case IPU_PIX_FMT_RGB565:
807 return 3;
808 case IPU_PIX_FMT_LVDS666:
809 return 4;
810 }
811
812 return -1;
813 }
814
815 /*
816 * This function is called to adapt synchronous LCD panel to IPU restriction.
817 */
818 void adapt_panel_to_ipu_restricitions(uint32_t *pixel_clk,
819 uint16_t width, uint16_t height,
820 uint16_t h_start_width,
821 uint16_t h_end_width,
822 uint16_t v_start_width,
823 uint16_t *v_end_width)
824 {
825 if (*v_end_width < 2) {
826 uint16_t total_width = width + h_start_width + h_end_width;
827 uint16_t total_height_old = height + v_start_width +
828 (*v_end_width);
829 uint16_t total_height_new = height + v_start_width + 2;
830 *v_end_width = 2;
831 *pixel_clk = (*pixel_clk) * total_width * total_height_new /
832 (total_width * total_height_old);
833 printf("WARNING: adapt panel end blank lines\n");
834 }
835 }
836
837 /*
838 * This function is called to initialize a synchronous LCD panel.
839 *
840 * @param disp The DI the panel is attached to.
841 *
842 * @param pixel_clk Desired pixel clock frequency in Hz.
843 *
844 * @param pixel_fmt Input parameter for pixel format of buffer.
845 * Pixel format is a FOURCC ASCII code.
846 *
847 * @param width The width of panel in pixels.
848 *
849 * @param height The height of panel in pixels.
850 *
851 * @param hStartWidth The number of pixel clocks between the HSYNC
852 * signal pulse and the start of valid data.
853 *
854 * @param hSyncWidth The width of the HSYNC signal in units of pixel
855 * clocks.
856 *
857 * @param hEndWidth The number of pixel clocks between the end of
858 * valid data and the HSYNC signal for next line.
859 *
860 * @param vStartWidth The number of lines between the VSYNC
861 * signal pulse and the start of valid data.
862 *
863 * @param vSyncWidth The width of the VSYNC signal in units of lines
864 *
865 * @param vEndWidth The number of lines between the end of valid
866 * data and the VSYNC signal for next frame.
867 *
868 * @param sig Bitfield of signal polarities for LCD interface.
869 *
870 * @return This function returns 0 on success or negative error code on
871 * fail.
872 */
873
874 int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
875 uint16_t width, uint16_t height,
876 uint32_t pixel_fmt,
877 uint16_t h_start_width, uint16_t h_sync_width,
878 uint16_t h_end_width, uint16_t v_start_width,
879 uint16_t v_sync_width, uint16_t v_end_width,
880 uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig)
881 {
882 uint32_t reg;
883 uint32_t di_gen, vsync_cnt;
884 uint32_t div, rounded_pixel_clk;
885 uint32_t h_total, v_total;
886 int map;
887 struct clk *di_parent;
888
889 debug("panel size = %d x %d\n", width, height);
890
891 if ((v_sync_width == 0) || (h_sync_width == 0))
892 return EINVAL;
893
894 adapt_panel_to_ipu_restricitions(&pixel_clk, width, height,
895 h_start_width, h_end_width,
896 v_start_width, &v_end_width);
897 h_total = width + h_sync_width + h_start_width + h_end_width;
898 v_total = height + v_sync_width + v_start_width + v_end_width;
899
900 /* Init clocking */
901 debug("pixel clk = %d\n", pixel_clk);
902
903 if (sig.ext_clk) {
904 if (!(g_di1_tvout && (disp == 1))) { /*not round div for tvout*/
905 /*
906 * Set the PLL to be an even multiple
907 * of the pixel clock.
908 */
909 if ((clk_get_usecount(g_pixel_clk[0]) == 0) &&
910 (clk_get_usecount(g_pixel_clk[1]) == 0)) {
911 di_parent = clk_get_parent(g_di_clk[disp]);
912 rounded_pixel_clk =
913 clk_round_rate(g_pixel_clk[disp],
914 pixel_clk);
915 div = clk_get_rate(di_parent) /
916 rounded_pixel_clk;
917 if (div % 2)
918 div++;
919 if (clk_get_rate(di_parent) != div *
920 rounded_pixel_clk)
921 clk_set_rate(di_parent,
922 div * rounded_pixel_clk);
923 udelay(10000);
924 clk_set_rate(g_di_clk[disp],
925 2 * rounded_pixel_clk);
926 udelay(10000);
927 }
928 }
929 clk_set_parent(g_pixel_clk[disp], g_ldb_clk);
930 } else {
931 if (clk_get_usecount(g_pixel_clk[disp]) != 0)
932 clk_set_parent(g_pixel_clk[disp], g_ipu_clk);
933 }
934 rounded_pixel_clk = clk_round_rate(g_pixel_clk[disp], pixel_clk);
935 clk_set_rate(g_pixel_clk[disp], rounded_pixel_clk);
936 udelay(5000);
937 /* Get integer portion of divider */
938 div = clk_get_rate(clk_get_parent(g_pixel_clk[disp])) /
939 rounded_pixel_clk;
940
941 ipu_di_data_wave_config(disp, SYNC_WAVE, div - 1, div - 1);
942 ipu_di_data_pin_config(disp, SYNC_WAVE, DI_PIN15, 3, 0, div * 2);
943
944 map = ipu_pixfmt_to_map(pixel_fmt);
945 if (map < 0) {
946 debug("IPU_DISP: No MAP\n");
947 return -EINVAL;
948 }
949
950 di_gen = __raw_readl(DI_GENERAL(disp));
951
952 if (sig.interlaced) {
953 /* Setup internal HSYNC waveform */
954 ipu_di_sync_config(
955 disp, /* display */
956 1, /* counter */
957 h_total / 2 - 1,/* run count */
958 DI_SYNC_CLK, /* run_resolution */
959 0, /* offset */
960 DI_SYNC_NONE, /* offset resolution */
961 0, /* repeat count */
962 DI_SYNC_NONE, /* CNT_CLR_SEL */
963 0, /* CNT_POLARITY_GEN_EN */
964 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
965 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
966 0, /* COUNT UP */
967 0 /* COUNT DOWN */
968 );
969
970 /* Field 1 VSYNC waveform */
971 ipu_di_sync_config(
972 disp, /* display */
973 2, /* counter */
974 h_total - 1, /* run count */
975 DI_SYNC_CLK, /* run_resolution */
976 0, /* offset */
977 DI_SYNC_NONE, /* offset resolution */
978 0, /* repeat count */
979 DI_SYNC_NONE, /* CNT_CLR_SEL */
980 0, /* CNT_POLARITY_GEN_EN */
981 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
982 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
983 0, /* COUNT UP */
984 4 /* COUNT DOWN */
985 );
986
987 /* Setup internal HSYNC waveform */
988 ipu_di_sync_config(
989 disp, /* display */
990 3, /* counter */
991 v_total * 2 - 1,/* run count */
992 DI_SYNC_INT_HSYNC, /* run_resolution */
993 1, /* offset */
994 DI_SYNC_INT_HSYNC, /* offset resolution */
995 0, /* repeat count */
996 DI_SYNC_NONE, /* CNT_CLR_SEL */
997 0, /* CNT_POLARITY_GEN_EN */
998 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
999 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1000 0, /* COUNT UP */
1001 4 /* COUNT DOWN */
1002 );
1003
1004 /* Active Field ? */
1005 ipu_di_sync_config(
1006 disp, /* display */
1007 4, /* counter */
1008 v_total / 2 - 1,/* run count */
1009 DI_SYNC_HSYNC, /* run_resolution */
1010 v_start_width, /* offset */
1011 DI_SYNC_HSYNC, /* offset resolution */
1012 2, /* repeat count */
1013 DI_SYNC_VSYNC, /* CNT_CLR_SEL */
1014 0, /* CNT_POLARITY_GEN_EN */
1015 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1016 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1017 0, /* COUNT UP */
1018 0 /* COUNT DOWN */
1019 );
1020
1021 /* Active Line */
1022 ipu_di_sync_config(
1023 disp, /* display */
1024 5, /* counter */
1025 0, /* run count */
1026 DI_SYNC_HSYNC, /* run_resolution */
1027 0, /* offset */
1028 DI_SYNC_NONE, /* offset resolution */
1029 height / 2, /* repeat count */
1030 4, /* CNT_CLR_SEL */
1031 0, /* CNT_POLARITY_GEN_EN */
1032 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1033 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1034 0, /* COUNT UP */
1035 0 /* COUNT DOWN */
1036 );
1037
1038 /* Field 0 VSYNC waveform */
1039 ipu_di_sync_config(
1040 disp, /* display */
1041 6, /* counter */
1042 v_total - 1, /* run count */
1043 DI_SYNC_HSYNC, /* run_resolution */
1044 0, /* offset */
1045 DI_SYNC_NONE, /* offset resolution */
1046 0, /* repeat count */
1047 DI_SYNC_NONE, /* CNT_CLR_SEL */
1048 0, /* CNT_POLARITY_GEN_EN */
1049 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1050 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1051 0, /* COUNT UP */
1052 0 /* COUNT DOWN */
1053 );
1054
1055 /* DC VSYNC waveform */
1056 vsync_cnt = 7;
1057 ipu_di_sync_config(
1058 disp, /* display */
1059 7, /* counter */
1060 v_total / 2 - 1,/* run count */
1061 DI_SYNC_HSYNC, /* run_resolution */
1062 9, /* offset */
1063 DI_SYNC_HSYNC, /* offset resolution */
1064 2, /* repeat count */
1065 DI_SYNC_VSYNC, /* CNT_CLR_SEL */
1066 0, /* CNT_POLARITY_GEN_EN */
1067 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1068 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1069 0, /* COUNT UP */
1070 0 /* COUNT DOWN */
1071 );
1072
1073 /* active pixel waveform */
1074 ipu_di_sync_config(
1075 disp, /* display */
1076 8, /* counter */
1077 0, /* run count */
1078 DI_SYNC_CLK, /* run_resolution */
1079 h_start_width, /* offset */
1080 DI_SYNC_CLK, /* offset resolution */
1081 width, /* repeat count */
1082 5, /* CNT_CLR_SEL */
1083 0, /* CNT_POLARITY_GEN_EN */
1084 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1085 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1086 0, /* COUNT UP */
1087 0 /* COUNT DOWN */
1088 );
1089
1090 ipu_di_sync_config(
1091 disp, /* display */
1092 9, /* counter */
1093 v_total - 1, /* run count */
1094 DI_SYNC_INT_HSYNC,/* run_resolution */
1095 v_total / 2, /* offset */
1096 DI_SYNC_INT_HSYNC,/* offset resolution */
1097 0, /* repeat count */
1098 DI_SYNC_HSYNC, /* CNT_CLR_SEL */
1099 0, /* CNT_POLARITY_GEN_EN */
1100 DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
1101 DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
1102 0, /* COUNT UP */
1103 4 /* COUNT DOWN */
1104 );
1105
1106 /* set gentime select and tag sel */
1107 reg = __raw_readl(DI_SW_GEN1(disp, 9));
1108 reg &= 0x1FFFFFFF;
1109 reg |= (3 - 1)<<29 | 0x00008000;
1110 __raw_writel(reg, DI_SW_GEN1(disp, 9));
1111
1112 __raw_writel(v_total / 2 - 1, DI_SCR_CONF(disp));
1113
1114 /* set y_sel = 1 */
1115 di_gen |= 0x10000000;
1116 di_gen |= DI_GEN_POLARITY_5;
1117 di_gen |= DI_GEN_POLARITY_8;
1118 } else {
1119 /* Setup internal HSYNC waveform */
1120 ipu_di_sync_config(disp, 1, h_total - 1, DI_SYNC_CLK,
1121 0, DI_SYNC_NONE, 0, DI_SYNC_NONE,
1122 0, DI_SYNC_NONE,
1123 DI_SYNC_NONE, 0, 0);
1124
1125 /* Setup external (delayed) HSYNC waveform */
1126 ipu_di_sync_config(disp, DI_SYNC_HSYNC, h_total - 1,
1127 DI_SYNC_CLK, div * v_to_h_sync, DI_SYNC_CLK,
1128 0, DI_SYNC_NONE, 1, DI_SYNC_NONE,
1129 DI_SYNC_CLK, 0, h_sync_width * 2);
1130 /* Setup VSYNC waveform */
1131 vsync_cnt = DI_SYNC_VSYNC;
1132 ipu_di_sync_config(disp, DI_SYNC_VSYNC, v_total - 1,
1133 DI_SYNC_INT_HSYNC, 0, DI_SYNC_NONE, 0,
1134 DI_SYNC_NONE, 1, DI_SYNC_NONE,
1135 DI_SYNC_INT_HSYNC, 0, v_sync_width * 2);
1136 __raw_writel(v_total - 1, DI_SCR_CONF(disp));
1137
1138 /* Setup active data waveform to sync with DC */
1139 ipu_di_sync_config(disp, 4, 0, DI_SYNC_HSYNC,
1140 v_sync_width + v_start_width, DI_SYNC_HSYNC,
1141 height,
1142 DI_SYNC_VSYNC, 0, DI_SYNC_NONE,
1143 DI_SYNC_NONE, 0, 0);
1144 ipu_di_sync_config(disp, 5, 0, DI_SYNC_CLK,
1145 h_sync_width + h_start_width, DI_SYNC_CLK,
1146 width, 4, 0, DI_SYNC_NONE, DI_SYNC_NONE, 0,
1147 0);
1148
1149 /* reset all unused counters */
1150 __raw_writel(0, DI_SW_GEN0(disp, 6));
1151 __raw_writel(0, DI_SW_GEN1(disp, 6));
1152 __raw_writel(0, DI_SW_GEN0(disp, 7));
1153 __raw_writel(0, DI_SW_GEN1(disp, 7));
1154 __raw_writel(0, DI_SW_GEN0(disp, 8));
1155 __raw_writel(0, DI_SW_GEN1(disp, 8));
1156 __raw_writel(0, DI_SW_GEN0(disp, 9));
1157 __raw_writel(0, DI_SW_GEN1(disp, 9));
1158
1159 reg = __raw_readl(DI_STP_REP(disp, 6));
1160 reg &= 0x0000FFFF;
1161 __raw_writel(reg, DI_STP_REP(disp, 6));
1162 __raw_writel(0, DI_STP_REP(disp, 7));
1163 __raw_writel(0, DI_STP_REP(disp, 9));
1164
1165 /* Init template microcode */
1166 if (disp) {
1167 ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5);
1168 ipu_dc_write_tmpl(3, WROD(0), 0, map, SYNC_WAVE, 4, 5);
1169 ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5);
1170 } else {
1171 ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5);
1172 ipu_dc_write_tmpl(6, WROD(0), 0, map, SYNC_WAVE, 4, 5);
1173 ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5);
1174 }
1175
1176 if (sig.Hsync_pol)
1177 di_gen |= DI_GEN_POLARITY_2;
1178 if (sig.Vsync_pol)
1179 di_gen |= DI_GEN_POLARITY_3;
1180
1181 if (sig.clk_pol)
1182 di_gen |= DI_GEN_POL_CLK;
1183
1184 }
1185
1186 __raw_writel(di_gen, DI_GENERAL(disp));
1187
1188 __raw_writel((--vsync_cnt << DI_VSYNC_SEL_OFFSET) |
1189 0x00000002, DI_SYNC_AS_GEN(disp));
1190
1191 reg = __raw_readl(DI_POL(disp));
1192 reg &= ~(DI_POL_DRDY_DATA_POLARITY | DI_POL_DRDY_POLARITY_15);
1193 if (sig.enable_pol)
1194 reg |= DI_POL_DRDY_POLARITY_15;
1195 if (sig.data_pol)
1196 reg |= DI_POL_DRDY_DATA_POLARITY;
1197 __raw_writel(reg, DI_POL(disp));
1198
1199 __raw_writel(width, DC_DISP_CONF2(DC_DISP_ID_SYNC(disp)));
1200
1201 return 0;
1202 }
1203
1204 /*
1205 * This function sets the foreground and background plane global alpha blending
1206 * modes. This function also sets the DP graphic plane according to the
1207 * parameter of IPUv3 DP channel.
1208 *
1209 * @param channel IPUv3 DP channel
1210 *
1211 * @param enable Boolean to enable or disable global alpha
1212 * blending. If disabled, local blending is used.
1213 *
1214 * @param alpha Global alpha value.
1215 *
1216 * @return Returns 0 on success or negative error code on fail
1217 */
1218 int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
1219 uint8_t alpha)
1220 {
1221 uint32_t reg;
1222
1223 unsigned char bg_chan;
1224
1225 if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
1226 (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
1227 (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
1228 return -EINVAL;
1229
1230 if (channel == MEM_BG_SYNC || channel == MEM_BG_ASYNC0 ||
1231 channel == MEM_BG_ASYNC1)
1232 bg_chan = 1;
1233 else
1234 bg_chan = 0;
1235
1236 if (!g_ipu_clk_enabled)
1237 clk_enable(g_ipu_clk);
1238
1239 if (bg_chan) {
1240 reg = __raw_readl(DP_COM_CONF());
1241 __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF());
1242 } else {
1243 reg = __raw_readl(DP_COM_CONF());
1244 __raw_writel(reg | DP_COM_CONF_GWSEL, DP_COM_CONF());
1245 }
1246
1247 if (enable) {
1248 reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0x00FFFFFFL;
1249 __raw_writel(reg | ((uint32_t) alpha << 24),
1250 DP_GRAPH_WIND_CTRL());
1251
1252 reg = __raw_readl(DP_COM_CONF());
1253 __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF());
1254 } else {
1255 reg = __raw_readl(DP_COM_CONF());
1256 __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF());
1257 }
1258
1259 reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
1260 __raw_writel(reg, IPU_SRM_PRI2);
1261
1262 if (!g_ipu_clk_enabled)
1263 clk_disable(g_ipu_clk);
1264
1265 return 0;
1266 }
1267
1268 /*
1269 * This function sets the transparent color key for SDC graphic plane.
1270 *
1271 * @param channel Input parameter for the logical channel ID.
1272 *
1273 * @param enable Boolean to enable or disable color key
1274 *
1275 * @param colorKey 24-bit RGB color for transparent color key.
1276 *
1277 * @return Returns 0 on success or negative error code on fail
1278 */
1279 int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
1280 uint32_t color_key)
1281 {
1282 uint32_t reg;
1283 int y, u, v;
1284 int red, green, blue;
1285
1286 if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
1287 (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
1288 (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
1289 return -EINVAL;
1290
1291 if (!g_ipu_clk_enabled)
1292 clk_enable(g_ipu_clk);
1293
1294 color_key_4rgb = 1;
1295 /* Transform color key from rgb to yuv if CSC is enabled */
1296 if (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
1297 ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
1298 ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
1299 ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB))) {
1300
1301 debug("color key 0x%x need change to yuv fmt\n", color_key);
1302
1303 red = (color_key >> 16) & 0xFF;
1304 green = (color_key >> 8) & 0xFF;
1305 blue = color_key & 0xFF;
1306
1307 y = rgb_to_yuv(0, red, green, blue);
1308 u = rgb_to_yuv(1, red, green, blue);
1309 v = rgb_to_yuv(2, red, green, blue);
1310 color_key = (y << 16) | (u << 8) | v;
1311
1312 color_key_4rgb = 0;
1313
1314 debug("color key change to yuv fmt 0x%x\n", color_key);
1315 }
1316
1317 if (enable) {
1318 reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
1319 __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
1320
1321 reg = __raw_readl(DP_COM_CONF());
1322 __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF());
1323 } else {
1324 reg = __raw_readl(DP_COM_CONF());
1325 __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF());
1326 }
1327
1328 reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
1329 __raw_writel(reg, IPU_SRM_PRI2);
1330
1331 if (!g_ipu_clk_enabled)
1332 clk_disable(g_ipu_clk);
1333
1334 return 0;
1335 }
"Das U-Boot" Source Tree