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[mplayer/glamo.git] / vidix / sis_vid.c
blob0f5960cf540f6c65838b4b6bc2c80082463768c4
1 /*
2 * VIDIX driver for SiS chipsets.
3 * Based on SiS Xv driver
4 *
5 * Copyright (C) 2003 Jake Page, Sugar Media
6 * Copyright 2002-2003 by Thomas Winischhofer, Vienna, Austria
7 * 2003/10/08 integrated into mplayer/vidix architecture -- Alex Beregszaszi
8 *
9 * This file is part of MPlayer.
10 *
11 * MPlayer is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * MPlayer is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 */
25
26 #include <errno.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <inttypes.h>
31 #include <unistd.h>
32
33 #include "config.h"
34 #include "vidix.h"
35 #include "fourcc.h"
36 #include "dha.h"
37 #include "pci_ids.h"
38 #include "pci_names.h"
39
40 #include "sis_regs.h"
41 #include "sis_defs.h"
42
43
44 /** Random defines **/
45
46 #define WATCHDOG_DELAY 500000 /* Watchdog counter for retrace waiting */
47 #define IMAGE_MIN_WIDTH 32 /* Min and max source image sizes */
48 #define IMAGE_MIN_HEIGHT 24
49 #define IMAGE_MAX_WIDTH 720
50 #define IMAGE_MAX_HEIGHT 576
51 #define IMAGE_MAX_WIDTH_M650 1920
52 #define IMAGE_MAX_HEIGHT_M650 1080
53
54 #define OVERLAY_MIN_WIDTH 32 /* Minimum overlay sizes */
55 #define OVERLAY_MIN_HEIGHT 24
56
57 #define DISPMODE_SINGLE1 0x1 /* TW: CRT1 only */
58 #define DISPMODE_SINGLE2 0x2 /* TW: CRT2 only */
59 #define DISPMODE_MIRROR 0x4 /* TW: CRT1 + CRT2 MIRROR */
60
61 #define VMODE_INTERLACED 0x1
62 #define VMODE_DOUBLESCAN 0x2
63
64 typedef struct {
65 short x1, y1, x2, y2;
66 } BoxRec;
67
68 typedef struct {
69 int pixelFormat;
70
71 uint16_t pitch;
72 uint16_t origPitch;
73
74 uint8_t keyOP;
75 uint16_t HUSF;
76 uint16_t VUSF;
77 uint8_t IntBit;
78 uint8_t wHPre;
79
80 uint16_t srcW;
81 uint16_t srcH;
82
83 BoxRec dstBox;
84
85 uint32_t PSY;
86 uint32_t PSV;
87 uint32_t PSU;
88 uint8_t bobEnable;
89
90 uint8_t contrastCtrl;
91 uint8_t contrastFactor;
92
93 uint8_t lineBufSize;
94
95 uint8_t(*VBlankActiveFunc) ();
96
97 uint16_t SCREENheight;
98
99 } SISOverlayRec, *SISOverlayPtr;
100
101
102 /** static variable definitions **/
103 static int sis_probed = 0;
104 static pciinfo_t pci_info;
105 unsigned int sis_verbose = 0;
106
107 static void *sis_mem_base;
108 /* static void *sis_reg_base; */
109 unsigned short sis_iobase;
110
111 unsigned int sis_vga_engine = UNKNOWN_VGA;
112 static unsigned int sis_displaymode = DISPMODE_SINGLE1;
113 static unsigned int sis_has_two_overlays = 0;
114 static unsigned int sis_bridge_is_slave = 0;
115 static unsigned int sis_shift_value = 1;
116 static unsigned int sis_vmode = 0;
117 unsigned int sis_vbflags = DISPTYPE_DISP1;
118 unsigned int sis_overlay_on_crt1 = 1;
119 int sis_crt1_off = -1;
120 unsigned int sis_detected_crt2_devices;
121 unsigned int sis_force_crt2_type = CRT2_DEFAULT;
122 int sis_device_id = -1;
123
124 static int sis_format;
125 static int sis_Yoff = 0;
126 static int sis_Voff = 0;
127 static int sis_Uoff = 0;
128 static int sis_screen_width = 640;
129 static int sis_screen_height = 480;
130
131 static int sis_frames[VID_PLAY_MAXFRAMES];
132
133 static vidix_grkey_t sis_grkey;
134
135 static vidix_capability_t sis_cap = {
136 "SiS 300/310/325 Video Driver",
137 "Jake Page",
138 TYPE_OUTPUT,
139 {0, 0, 0, 0},
140 2048,
141 2048,
142 4,
143 4,
144 -1,
145 FLAG_UPSCALER | FLAG_DOWNSCALER | FLAG_EQUALIZER,
146 VENDOR_SIS,
147 -1,
148 {0, 0, 0, 0}
149 };
150
151 static vidix_video_eq_t sis_equal = {
152 VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST,
153 200, 0, 0, 0, 0, 0, 0, 0
154 };
155
156 static unsigned short sis_card_ids[] = {
157 DEVICE_SIS_300,
158 DEVICE_SIS_315H,
159 DEVICE_SIS_315,
160 DEVICE_SIS_315PRO,
161 DEVICE_SIS_330,
162 DEVICE_SIS_540_VGA,
163 DEVICE_SIS_550_VGA,
164 DEVICE_SIS_630_VGA,
165 DEVICE_SIS_650_VGA
166 };
167
168 /** function declarations **/
169
170 void sis_init_video_bridge(void);
171
172
173 static void set_overlay(SISOverlayPtr pOverlay, int index);
174 static void close_overlay(void);
175 static void calc_scale_factor(SISOverlayPtr pOverlay,
176 int index, int iscrt2);
177 static void set_line_buf_size(SISOverlayPtr pOverlay);
178 static void merge_line_buf(int enable);
179 static void set_format(SISOverlayPtr pOverlay);
180 static void set_colorkey(void);
181
182 static void set_brightness(uint8_t brightness);
183 static void set_contrast(uint8_t contrast);
184 static void set_saturation(char saturation);
185 static void set_hue(uint8_t hue);
186
187 /* IO Port access functions */
188 static uint8_t getvideoreg(uint8_t reg)
189 {
190 uint8_t ret;
191 inSISIDXREG(SISVID, reg, ret);
192 return ret;
193 }
194
195 static void setvideoreg(uint8_t reg, uint8_t data)
196 {
197 outSISIDXREG(SISVID, reg, data);
198 }
199
200 static void setvideoregmask(uint8_t reg, uint8_t data, uint8_t mask)
201 {
202 uint8_t old;
203
204 inSISIDXREG(SISVID, reg, old);
205 data = (data & mask) | (old & (~mask));
206 outSISIDXREG(SISVID, reg, data);
207 }
208
209 static void setsrregmask(uint8_t reg, uint8_t data, uint8_t mask)
210 {
211 uint8_t old;
212
213 inSISIDXREG(SISSR, reg, old);
214 data = (data & mask) | (old & (~mask));
215 outSISIDXREG(SISSR, reg, data);
216 }
217
218 /* vblank checking*/
219 static uint8_t vblank_active_CRT1(void)
220 {
221 /* this may be too simplistic? */
222 return inSISREG(SISINPSTAT) & 0x08;
223 }
224
225 static uint8_t vblank_active_CRT2(void)
226 {
227 uint8_t ret;
228 if (sis_vga_engine == SIS_315_VGA) {
229 inSISIDXREG(SISPART1, Index_310_CRT2_FC_VR, ret);
230 } else {
231 inSISIDXREG(SISPART1, Index_CRT2_FC_VR, ret);
232 }
233 return (ret & 0x02) ^ 0x02;
234 }
235
236 static int find_chip(unsigned chip_id)
237 {
238 unsigned i;
239 for (i = 0; i < sizeof(sis_card_ids) / sizeof(unsigned short); i++) {
240 if (chip_id == sis_card_ids[i])
241 return i;
242 }
243 return -1;
244 }
245
246 static int sis_probe(int verbose, int force)
247 {
248 pciinfo_t lst[MAX_PCI_DEVICES];
249 unsigned i, num_pci;
250 int err;
251
252 sis_verbose = verbose;
253 force = force;
254 err = pci_scan(lst, &num_pci);
255 if (err) {
256 printf("[SiS] Error occurred during pci scan: %s\n", strerror(err));
257 return err;
258 } else {
259 err = ENXIO;
260 for (i = 0; i < num_pci; i++) {
261 if (lst[i].vendor == VENDOR_SIS) {
262 int idx;
263 const char *dname;
264 idx = find_chip(lst[i].device);
265 if (idx == -1)
266 continue;
267 dname = pci_device_name(VENDOR_SIS, lst[i].device);
268 dname = dname ? dname : "Unknown chip";
269 if (sis_verbose > 0)
270 printf("[SiS] Found chip: %s (0x%X)\n",
271 dname, lst[i].device);
272 sis_device_id = sis_cap.device_id = lst[i].device;
273 err = 0;
274 memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
275
276 sis_has_two_overlays = 0;
277 switch (sis_cap.device_id) {
278 case DEVICE_SIS_300:
279 case DEVICE_SIS_630_VGA:
280 sis_has_two_overlays = 1;
281 case DEVICE_SIS_540_VGA:
282 sis_vga_engine = SIS_300_VGA;
283 break;
284 case DEVICE_SIS_330:
285 case DEVICE_SIS_550_VGA:
286 sis_has_two_overlays = 1;
287 case DEVICE_SIS_315H:
288 case DEVICE_SIS_315:
289 case DEVICE_SIS_315PRO:
290 case DEVICE_SIS_650_VGA:
291 /* M650 & 651 have 2 overlays */
292 /* JCP: I think this works, but not really tested yet */
293 if (enable_app_io() == 0 )
294 {
295 unsigned char CR5F;
296 unsigned char tempreg1, tempreg2;
297
298 inSISIDXREG(SISCR, 0x5F, CR5F);
299 CR5F &= 0xf0;
300 andSISIDXREG(SISCR, 0x5c, 0x07);
301 inSISIDXREG(SISCR, 0x5c, tempreg1);
302 tempreg1 &= 0xf8;
303 setSISIDXREG(SISCR, 0x5c, 0x07, 0xf8);
304 inSISIDXREG(SISCR, 0x5c, tempreg2);
305 tempreg2 &= 0xf8;
306 if ((!tempreg1) || (tempreg2)) {
307 if (CR5F & 0x80) {
308 sis_has_two_overlays = 1;
309 }
310 } else {
311 sis_has_two_overlays = 1; /* ? */
312 }
313 if (sis_has_two_overlays) {
314 if (sis_verbose > 0)
315 printf
316 ("[SiS] detected M650/651 with 2 overlays\n");
317 }
318 disable_app_io();
319 }
320 sis_vga_engine = SIS_315_VGA;
321 break;
322 default:
323 /* should never get here */
324 sis_vga_engine = UNKNOWN_VGA;
325 break;
326 }
327 }
328 }
329 }
330 if (err && sis_verbose) {
331 printf("[SiS] Can't find chip\n");
332 } else {
333 sis_probed = 1;
334 }
335
336 return err;
337 }
338
339 static int sis_init(void)
340 {
341 uint8_t sr_data, cr_data, cr_data2;
342 char *env_overlay_crt;
343
344 if (!sis_probed) {
345 printf("[SiS] driver was not probed but is being initialized\n");
346 return EINTR;
347 }
348
349 if (enable_app_io() != 0)
350 {
351 printf("[SiS] can't enable register I/O\n");
352 return EINTR;
353 }
354
355 /* JCP: this is WRONG. Need to coordinate w/ sisfb to use correct mem */
356 /* map 16MB scary hack for now. */
357 sis_mem_base = map_phys_mem(pci_info.base0, 0x1000000);
358 /* sis_reg_base = map_phys_mem(pci_info.base1, 0x20000); */
359 sis_iobase = pci_info.base2 & 0xFFFC;
360
361 /* would like to use fb ioctl - or some other method - here to get
362 current resolution. */
363 inSISIDXREG(SISCR, 0x12, cr_data);
364 inSISIDXREG(SISCR, 0x07, cr_data2);
365 sis_screen_height =
366 ((cr_data & 0xff) | ((uint16_t) (cr_data2 & 0x02) << 7) |
367 ((uint16_t) (cr_data2 & 0x40) << 3) | ((uint16_t) (cr_data & 0x02)
368 << 9)) + 1;
369
370 inSISIDXREG(SISSR, 0x0b, sr_data);
371 inSISIDXREG(SISCR, 0x01, cr_data);
372 sis_screen_width = (((cr_data & 0xff) |
373 ((uint16_t) (sr_data & 0x0C) << 6)) + 1) * 8;
374
375 inSISIDXREG(SISSR, Index_SR_Graphic_Mode, sr_data);
376 if (sr_data & 0x20) /* interlaced mode */
377 sis_vmode |= VMODE_INTERLACED;
378
379 /* JCP: eventually I'd like to replace this with a call to sisfb
380 SISFB_GET_INFO ioctl to get video bridge info. Not for now,
381 since it requires a very new and not widely distributed version. */
382 sis_init_video_bridge();
383
384 env_overlay_crt = getenv("VIDIX_CRT");
385 if (env_overlay_crt) {
386 int crt = atoi(env_overlay_crt);
387 if (crt == 1 || crt == 2) {
388 sis_overlay_on_crt1 = (crt == 1);
389 if (sis_verbose > 0) {
390 printf
391 ("[SiS] override: using overlay on CRT%d from VIDIX_CRT\n",
392 crt);
393 }
394 }
395 }
396
397 return 0;
398 }
399
400 static void sis_destroy(void)
401 {
402 /* unmap_phys_mem(sis_reg_base, 0x20000); */
403 /* JCP: see above, hence also a hack. */
404 unmap_phys_mem(sis_mem_base, 0x1000000);
405 disable_app_io();
406 }
407
408 static int sis_get_caps(vidix_capability_t * to)
409 {
410 memcpy(to, &sis_cap, sizeof(vidix_capability_t));
411 return 0;
412 }
413
414 static int is_supported_fourcc(uint32_t fourcc)
415 {
416 switch (fourcc) {
417 case IMGFMT_YV12:
418 case IMGFMT_I420:
419 case IMGFMT_UYVY:
420 case IMGFMT_YUY2:
421 case IMGFMT_RGB15:
422 case IMGFMT_RGB16:
423 return 1;
424 default:
425 return 0;
426 }
427 }
428
429 static int sis_query_fourcc(vidix_fourcc_t * to)
430 {
431 if (is_supported_fourcc(to->fourcc)) {
432 to->depth = VID_DEPTH_8BPP | VID_DEPTH_16BPP | VID_DEPTH_32BPP;
433 to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
434 return 0;
435 } else
436 to->depth = to->flags = 0;
437 return ENOSYS;
438 }
439
440 static int bridge_in_slave_mode(void)
441 {
442 unsigned char usScratchP1_00;
443
444 if (!(sis_vbflags & VB_VIDEOBRIDGE))
445 return 0;
446
447 inSISIDXREG(SISPART1, 0x00, usScratchP1_00);
448 if (((sis_vga_engine == SIS_300_VGA)
449 && (usScratchP1_00 & 0xa0) == 0x20)
450 || ((sis_vga_engine == SIS_315_VGA)
451 && (usScratchP1_00 & 0x50) == 0x10)) {
452 return 1;
453 } else {
454 return 0;
455 }
456 }
457
458 /* This does not handle X dual head mode, since 1) vidix doesn't support it
459 and 2) it doesn't make sense for other gfx drivers */
460 static void set_dispmode(void)
461 {
462 sis_bridge_is_slave = 0;
463
464 if (bridge_in_slave_mode())
465 sis_bridge_is_slave = 1;
466
467 if ((sis_vbflags & VB_DISPMODE_MIRROR) ||
468 (sis_bridge_is_slave && (sis_vbflags & DISPTYPE_DISP2))) {
469 if (sis_has_two_overlays)
470 sis_displaymode = DISPMODE_MIRROR; /* TW: CRT1+CRT2 (2 overlays) */
471 else if (!sis_overlay_on_crt1)
472 sis_displaymode = DISPMODE_SINGLE2;
473 else
474 sis_displaymode = DISPMODE_SINGLE1;
475 } else {
476 if (sis_vbflags & DISPTYPE_DISP1) {
477 sis_displaymode = DISPMODE_SINGLE1; /* TW: CRT1 only */
478 } else {
479 sis_displaymode = DISPMODE_SINGLE2; /* TW: CRT2 only */
480 }
481 }
482 }
483
484 static void set_disptype_regs(void)
485 {
486 switch (sis_displaymode) {
487 case DISPMODE_SINGLE1: /* TW: CRT1 only */
488 if (sis_verbose > 2) {
489 printf("[SiS] Setting up overlay on CRT1\n");
490 }
491 if (sis_has_two_overlays) {
492 setsrregmask(0x06, 0x00, 0xc0);
493 setsrregmask(0x32, 0x00, 0xc0);
494 } else {
495 setsrregmask(0x06, 0x00, 0xc0);
496 setsrregmask(0x32, 0x00, 0xc0);
497 }
498 break;
499 case DISPMODE_SINGLE2: /* TW: CRT2 only */
500 if (sis_verbose > 2) {
501 printf("[SiS] Setting up overlay on CRT2\n");
502 }
503 if (sis_has_two_overlays) {
504 setsrregmask(0x06, 0x80, 0xc0);
505 setsrregmask(0x32, 0x80, 0xc0);
506 } else {
507 setsrregmask(0x06, 0x40, 0xc0);
508 setsrregmask(0x32, 0x40, 0xc0);
509 }
510 break;
511 case DISPMODE_MIRROR: /* TW: CRT1 + CRT2 */
512 default:
513 if (sis_verbose > 2) {
514 printf("[SiS] Setting up overlay on CRT1 AND CRT2!\n");
515 }
516 setsrregmask(0x06, 0x80, 0xc0);
517 setsrregmask(0x32, 0x80, 0xc0);
518 break;
519 }
520 }
521
522 static void init_overlay(void)
523 {
524 /* Initialize first overlay (CRT1) */
525
526 /* Write-enable video registers */
527 setvideoregmask(Index_VI_Control_Misc2, 0x80, 0x81);
528
529 /* Disable overlay */
530 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
531
532 /* Disable bobEnable */
533 setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
534
535 /* Reset scale control and contrast */
536 setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
537 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
538
539 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
540 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
541 setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
542 setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
543 setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
544 setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
545 setvideoreg(Index_VI_Play_Threshold_High, 0x00);
546
547 /* may not want to init these here, could already be set to other
548 values by app? */
549 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
550 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
551 setvideoreg(Index_VI_Brightness, 0x20);
552 if (sis_vga_engine == SIS_315_VGA) {
553 setvideoreg(Index_VI_Hue, 0x00);
554 setvideoreg(Index_VI_Saturation, 0x00);
555 }
556
557 /* Initialize second overlay (CRT2) */
558 if (sis_has_two_overlays) {
559 /* Write-enable video registers */
560 setvideoregmask(Index_VI_Control_Misc2, 0x81, 0x81);
561
562 /* Disable overlay */
563 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
564
565 /* Disable bobEnable */
566 setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
567
568 /* Reset scale control and contrast */
569 setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
570 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
571
572 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
573 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
574 setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
575 setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
576 setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
577 setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
578 setvideoreg(Index_VI_Play_Threshold_High, 0x00);
579
580 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
581 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
582 setvideoreg(Index_VI_Brightness, 0x20);
583 if (sis_vga_engine == SIS_315_VGA) {
584 setvideoreg(Index_VI_Hue, 0x00);
585 setvideoreg(Index_VI_Saturation, 0x00);
586 }
587 }
588 }
589
590 static int sis_set_eq(const vidix_video_eq_t * eq);
591
592 static int sis_config_playback(vidix_playback_t * info)
593 {
594 SISOverlayRec overlay;
595 int srcOffsetX = 0, srcOffsetY = 0;
596 int sx, sy;
597 int index = 0, iscrt2 = 0;
598 int total_size;
599
600 short src_w, drw_w;
601 short src_h, drw_h;
602 short src_x, drw_x;
603 short src_y, drw_y;
604 long dga_offset;
605 int pitch;
606 unsigned int i;
607
608 if (!is_supported_fourcc(info->fourcc))
609 return -1;
610
611 /* set chipset/engine.dependent config info */
612 /* which CRT to use, etc.? */
613 switch (sis_vga_engine) {
614 case SIS_315_VGA:
615 sis_shift_value = 1;
616 sis_equal.cap |= VEQ_CAP_SATURATION | VEQ_CAP_HUE;
617 break;
618 case SIS_300_VGA:
619 default:
620 sis_shift_value = 2;
621 break;
622 }
623
624 sis_displaymode = DISPMODE_SINGLE1; /* xV driver code in set_dispmode() */
625 set_dispmode();
626
627 set_disptype_regs();
628
629 init_overlay();
630
631 /* get basic dimension info */
632 src_x = info->src.x;
633 src_y = info->src.y;
634 src_w = info->src.w;
635 src_h = info->src.h;
636
637 drw_x = info->dest.x;
638 drw_y = info->dest.y;
639 drw_w = info->dest.w;
640 drw_h = info->dest.h;
641
642 switch (info->fourcc) {
643 case IMGFMT_YV12:
644 case IMGFMT_I420:
645 pitch = (src_w + 7) & ~7;
646 total_size = (pitch * src_h * 3) >> 1;
647 break;
648 case IMGFMT_YUY2:
649 case IMGFMT_UYVY:
650 case IMGFMT_RGB15:
651 case IMGFMT_RGB16:
652 pitch = ((src_w << 1) + 3) & ~3;
653 total_size = pitch * src_h;
654 break;
655 default:
656 return -1;
657 }
658
659 /* "allocate" memory for overlay! */
660 /* start at 8MB = sisfb's "dri reserved space" -
661 really shouldn't hardcode though */
662 /* XXX: JCP - this can use the sisfb FBIO_ALLOC ioctl to safely
663 allocate "video heap" memory... */
664 dga_offset = 0x800000;
665
666 /* use 7MB for now. need to calc/get real info from sisfb? */
667 /* this can result in a LOT of frames - probably not necessary */
668 info->num_frames = 0x700000 / (total_size * 2);
669 if (info->num_frames > VID_PLAY_MAXFRAMES)
670 info->num_frames = VID_PLAY_MAXFRAMES;
671
672 info->dga_addr = sis_mem_base + dga_offset;
673 info->dest.pitch.y = 16;
674 info->dest.pitch.u = 16;
675 info->dest.pitch.v = 16;
676 info->offset.y = 0;
677 info->offset.u = 0;
678 info->offset.v = 0;
679 info->frame_size = (total_size * 2); /* why times 2 ? */
680 for (i = 0; i < info->num_frames; i++) {
681 info->offsets[i] = info->frame_size * i;
682 /* save ptrs to mem buffers */
683 sis_frames[i] = (dga_offset + info->offsets[i]);
684 }
685
686 memset(&overlay, 0, sizeof(overlay));
687 overlay.pixelFormat = sis_format = info->fourcc;
688 overlay.pitch = overlay.origPitch = pitch;
689
690
691 overlay.keyOP = (sis_grkey.ckey.op == CKEY_TRUE ?
692 VI_ROP_DestKey : VI_ROP_Always);
693
694 overlay.bobEnable = 0x00;
695
696 overlay.SCREENheight = sis_screen_height;
697
698 /* probably will not support X virtual screen > phys very well? */
699 overlay.dstBox.x1 = drw_x; /* - pScrn->frameX0; */
700 overlay.dstBox.x2 = drw_x + drw_w; /* - pScrn->frameX0; ??? */
701 overlay.dstBox.y1 = drw_y; /* - pScrn->frameY0; */
702 overlay.dstBox.y2 = drw_y + drw_h; /* - pScrn->frameY0; ??? */
703
704 if ((overlay.dstBox.x1 > overlay.dstBox.x2) ||
705 (overlay.dstBox.y1 > overlay.dstBox.y2))
706 return -1;
707
708 if ((overlay.dstBox.x2 < 0) || (overlay.dstBox.y2 < 0))
709 return -1;
710
711 if (overlay.dstBox.x1 < 0) {
712 srcOffsetX = src_w * (-overlay.dstBox.x1) / drw_w;
713 overlay.dstBox.x1 = 0;
714 }
715 if (overlay.dstBox.y1 < 0) {
716 srcOffsetY = src_h * (-overlay.dstBox.y1) / drw_h;
717 overlay.dstBox.y1 = 0;
718 }
719
720 switch (info->fourcc) {
721 case IMGFMT_YV12:
722 info->dest.pitch.y = 16;
723 sx = (src_x + srcOffsetX) & ~7;
724 sy = (src_y + srcOffsetY) & ~1;
725 info->offset.y = sis_Yoff = sx + sy * pitch;
726 /* JCP: NOTE reversed u & v here! Not sure why this is needed.
727 maybe mplayer & sis define U & V differently?? */
728 info->offset.u = sis_Voff =
729 src_h * pitch + ((sx + sy * pitch / 2) >> 1);
730 info->offset.v = sis_Uoff =
731 src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
732
733 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
734 overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
735 overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
736 break;
737 case IMGFMT_I420:
738 sx = (src_x + srcOffsetX) & ~7;
739 sy = (src_y + srcOffsetY) & ~1;
740 info->offset.y = sis_Yoff = sx + sy * pitch;
741 /* JCP: see above... */
742 info->offset.u = sis_Voff =
743 src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
744 info->offset.v = sis_Uoff =
745 src_h * pitch + ((sx + sy * pitch / 2) >> 1);
746
747 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
748 overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
749 overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
750 break;
751 case IMGFMT_YUY2:
752 case IMGFMT_UYVY:
753 case IMGFMT_RGB16:
754 case IMGFMT_RGB15:
755 default:
756 sx = (src_x + srcOffsetX) & ~1;
757 sy = (src_y + srcOffsetY);
758 info->offset.y = sis_Yoff = sx * 2 + sy * pitch;
759
760 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
761 break;
762 }
763
764 /* FIXME: is it possible that srcW < 0? */
765 overlay.srcW = src_w - (sx - src_x);
766 overlay.srcH = src_h - (sy - src_y);
767
768 /* set merge line buffer */
769 merge_line_buf(overlay.srcW > 384);
770
771 /* calculate line buffer length */
772 set_line_buf_size(&overlay);
773
774 if (sis_displaymode == DISPMODE_SINGLE2) {
775 if (sis_has_two_overlays) {
776 /* TW: On chips with two overlays we use
777 * overlay 2 for CRT2 */
778 index = 1;
779 iscrt2 = 1;
780 } else {
781 /* TW: On chips with only one overlay we
782 * use that only overlay for CRT2 */
783 index = 0;
784 iscrt2 = 1;
785 }
786 overlay.VBlankActiveFunc = vblank_active_CRT2;
787 /* overlay.GetScanLineFunc = get_scanline_CRT2; */
788 } else {
789 index = 0;
790 iscrt2 = 0;
791 overlay.VBlankActiveFunc = vblank_active_CRT1;
792 /* overlay.GetScanLineFunc = get_scanline_CRT1; */
793 }
794
795 /* calc scale factor (to use below) */
796 calc_scale_factor(&overlay, index, iscrt2);
797
798 /* Select video1 (used for CRT1) or video2 (used for CRT2) */
799 setvideoregmask(Index_VI_Control_Misc2, index, 0x01);
800
801 set_format(&overlay);
802
803 set_colorkey();
804
805 sis_set_eq(&sis_equal);
806
807 /* set up video overlay registers */
808 set_overlay(&overlay, index);
809
810 /* prevent badness if bits are not at default setting */
811 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x01);
812 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x04);
813
814 /* JCP: Xv driver implementation loops back over above code to
815 setup mirror CRT2 */
816
817 return 0;
818 }
819
820 static int sis_playback_on(void)
821 {
822 setvideoregmask(Index_VI_Control_Misc0, 0x02, 0x02);
823 return 0;
824 }
825
826 static int sis_playback_off(void)
827 {
828 unsigned char sridx, cridx;
829 sridx = inSISREG(SISSR);
830 cridx = inSISREG(SISCR);
831 close_overlay();
832 outSISREG(SISSR, sridx);
833 outSISREG(SISCR, cridx);
834
835 return 0;
836 }
837
838 static int sis_frame_select(unsigned int frame)
839 {
840 uint8_t data;
841 int index = 0;
842 uint32_t PSY;
843
844 if (sis_displaymode == DISPMODE_SINGLE2 && sis_has_two_overlays) {
845 index = 1;
846 }
847
848 PSY = (sis_frames[frame] + sis_Yoff) >> sis_shift_value;
849
850 /* Unlock address registers */
851 data = getvideoreg(Index_VI_Control_Misc1);
852 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
853 /* TEST: Is this required? */
854 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
855 /* TEST end */
856 /* TEST: Is this required? */
857 if (sis_vga_engine == SIS_315_VGA)
858 setvideoreg(Index_VI_Control_Misc3, 0x00);
859 /* TEST end */
860
861 /* set Y start address */
862 setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (PSY));
863 setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle, (uint8_t) ((PSY) >> 8));
864 setvideoreg(Index_VI_Disp_Y_Buf_Start_High, (uint8_t) ((PSY) >> 16));
865 /* set 310/325 series overflow bits for Y plane */
866 if (sis_vga_engine == SIS_315_VGA) {
867 setvideoreg(Index_VI_Y_Buf_Start_Over,
868 ((uint8_t) ((PSY) >> 24) & 0x01));
869 }
870
871 /* Set U/V data if using plane formats */
872 if ((sis_format == IMGFMT_YV12) || (sis_format == IMGFMT_I420)) {
873
874 uint32_t PSU, PSV;
875
876 PSU = (sis_frames[frame] + sis_Uoff) >> sis_shift_value;
877 PSV = (sis_frames[frame] + sis_Voff) >> sis_shift_value;
878
879 /* set U/V start address */
880 setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
881 setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
882 setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
883
884 setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
885 setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
886 setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
887
888 /* 310/325 series overflow bits */
889 if (sis_vga_engine == SIS_315_VGA) {
890 setvideoreg(Index_VI_U_Buf_Start_Over,
891 ((uint8_t) (PSU >> 24) & 0x01));
892 setvideoreg(Index_VI_V_Buf_Start_Over,
893 ((uint8_t) (PSV >> 24) & 0x01));
894 }
895 }
896
897 if (sis_vga_engine == SIS_315_VGA) {
898 /* Trigger register copy for 310 series */
899 setvideoreg(Index_VI_Control_Misc3, 1 << index);
900 }
901
902 /* Lock the address registers */
903 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
904
905 return 0;
906 }
907
908 static int sis_get_gkeys(vidix_grkey_t * grkey)
909 {
910 memcpy(grkey, &sis_grkey, sizeof(vidix_grkey_t));
911 return 0;
912 }
913
914 static int sis_set_gkeys(const vidix_grkey_t * grkey)
915 {
916 memcpy(&sis_grkey, grkey, sizeof(vidix_grkey_t));
917 set_colorkey();
918 return 0;
919 }
920
921 static int sis_get_eq(vidix_video_eq_t * eq)
922 {
923 memcpy(eq, &sis_equal, sizeof(vidix_video_eq_t));
924 return 0;
925 }
926
927 static int sis_set_eq(const vidix_video_eq_t * eq)
928 {
929 int br, sat, cr, hue;
930 if (eq->cap & VEQ_CAP_BRIGHTNESS)
931 sis_equal.brightness = eq->brightness;
932 if (eq->cap & VEQ_CAP_CONTRAST)
933 sis_equal.contrast = eq->contrast;
934 if (eq->cap & VEQ_CAP_SATURATION)
935 sis_equal.saturation = eq->saturation;
936 if (eq->cap & VEQ_CAP_HUE)
937 sis_equal.hue = eq->hue;
938 if (eq->cap & VEQ_CAP_RGB_INTENSITY) {
939 sis_equal.red_intensity = eq->red_intensity;
940 sis_equal.green_intensity = eq->green_intensity;
941 sis_equal.blue_intensity = eq->blue_intensity;
942 }
943 sis_equal.flags = eq->flags;
944
945 cr = (sis_equal.contrast + 1000) * 7 / 2000;
946 if (cr < 0)
947 cr = 0;
948 if (cr > 7)
949 cr = 7;
950
951 br = sis_equal.brightness * 127 / 1000;
952 if (br < -128)
953 br = -128;
954 if (br > 127)
955 br = 127;
956
957 sat = (sis_equal.saturation * 7) / 1000;
958 if (sat < -7)
959 sat = -7;
960 if (sat > 7)
961 sat = 7;
962
963 hue = sis_equal.hue * 7 / 1000;
964 if (hue < -8)
965 hue = -8;
966 if (hue > 7)
967 hue = 7;
968
969 set_brightness(br);
970 set_contrast(cr);
971 if (sis_vga_engine == SIS_315_VGA) {
972 set_saturation(sat);
973 set_hue(hue);
974 }
975
976 return 0;
977 }
978
979 static void set_overlay(SISOverlayPtr pOverlay, int index)
980 {
981 uint16_t pitch = 0;
982 uint8_t h_over = 0, v_over = 0;
983 uint16_t top, bottom, left, right;
984 uint16_t screenX = sis_screen_width;
985 uint16_t screenY = sis_screen_height;
986 uint8_t data;
987 uint32_t watchdog;
988
989 top = pOverlay->dstBox.y1;
990 bottom = pOverlay->dstBox.y2;
991 if (bottom > screenY) {
992 bottom = screenY;
993 }
994
995 left = pOverlay->dstBox.x1;
996 right = pOverlay->dstBox.x2;
997 if (right > screenX) {
998 right = screenX;
999 }
1000
1001 /* JCP: these aren't really tested... */
1002 /* TW: DoubleScan modes require Y coordinates * 2 */
1003 if (sis_vmode & VMODE_DOUBLESCAN) {
1004 top <<= 1;
1005 bottom <<= 1;
1006 }
1007 /* TW: Interlace modes require Y coordinates / 2 */
1008 if (sis_vmode & VMODE_INTERLACED) {
1009 top >>= 1;
1010 bottom >>= 1;
1011 }
1012
1013 h_over = (((left >> 8) & 0x0f) | ((right >> 4) & 0xf0));
1014 v_over = (((top >> 8) & 0x0f) | ((bottom >> 4) & 0xf0));
1015
1016 pitch = pOverlay->pitch >> sis_shift_value;
1017
1018 /* set line buffer size */
1019 setvideoreg(Index_VI_Line_Buffer_Size, pOverlay->lineBufSize);
1020
1021 /* set color key mode */
1022 setvideoregmask(Index_VI_Key_Overlay_OP, pOverlay->keyOP, 0x0F);
1023
1024 /* TW: We don't have to wait for vertical retrace in all cases */
1025 /* JCP: be safe for now. */
1026 if (1 /*pPriv->mustwait */ ) {
1027 watchdog = WATCHDOG_DELAY;
1028 while (pOverlay->VBlankActiveFunc() && --watchdog);
1029 watchdog = WATCHDOG_DELAY;
1030 while ((!pOverlay->VBlankActiveFunc()) && --watchdog);
1031 if (!watchdog && sis_verbose > 0) {
1032 printf("[SiS]: timed out waiting for vertical retrace\n");
1033 }
1034 }
1035
1036 /* Unlock address registers */
1037 data = getvideoreg(Index_VI_Control_Misc1);
1038 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
1039 /* TEST: Is this required? */
1040 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
1041 /* TEST end */
1042
1043 /* TEST: Is this required? */
1044 if (sis_vga_engine == SIS_315_VGA)
1045 setvideoreg(Index_VI_Control_Misc3, 0x00);
1046 /* TEST end */
1047
1048 /* Set Y buf pitch */
1049 setvideoreg(Index_VI_Disp_Y_Buf_Pitch_Low, (uint8_t) (pitch));
1050 setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
1051 (uint8_t) (pitch >> 8), 0x0f);
1052
1053 /* Set Y start address */
1054 setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (pOverlay->PSY));
1055 setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle,
1056 (uint8_t) ((pOverlay->PSY) >> 8));
1057 setvideoreg(Index_VI_Disp_Y_Buf_Start_High,
1058 (uint8_t) ((pOverlay->PSY) >> 16));
1059
1060 /* set 310/325 series overflow bits for Y plane */
1061 if (sis_vga_engine == SIS_315_VGA) {
1062 setvideoreg(Index_VI_Disp_Y_Buf_Pitch_High,
1063 (uint8_t) (pitch >> 12));
1064 setvideoreg(Index_VI_Y_Buf_Start_Over,
1065 ((uint8_t) ((pOverlay->PSY) >> 24) & 0x01));
1066 }
1067
1068 /* Set U/V data if using plane formats */
1069 if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
1070 (pOverlay->pixelFormat == IMGFMT_I420)) {
1071
1072 uint32_t PSU, PSV;
1073
1074 PSU = pOverlay->PSU;
1075 PSV = pOverlay->PSV;
1076
1077 /* Set U/V pitch */
1078 setvideoreg(Index_VI_Disp_UV_Buf_Pitch_Low,
1079 (uint8_t) (pitch >> 1));
1080 setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
1081 (uint8_t) (pitch >> 5), 0xf0);
1082
1083 /* set U/V start address */
1084 setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
1085 setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
1086 setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
1087
1088 setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
1089 setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
1090 setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
1091
1092 /* 310/325 series overflow bits */
1093 if (sis_vga_engine == SIS_315_VGA) {
1094 setvideoreg(Index_VI_Disp_UV_Buf_Pitch_High,
1095 (uint8_t) (pitch >> 13));
1096 setvideoreg(Index_VI_U_Buf_Start_Over,
1097 ((uint8_t) (PSU >> 24) & 0x01));
1098 setvideoreg(Index_VI_V_Buf_Start_Over,
1099 ((uint8_t) (PSV >> 24) & 0x01));
1100 }
1101 }
1102
1103 if (sis_vga_engine == SIS_315_VGA) {
1104 /* Trigger register copy for 310 series */
1105 setvideoreg(Index_VI_Control_Misc3, 1 << index);
1106 }
1107
1108 /* set scale factor */
1109 setvideoreg(Index_VI_Hor_Post_Up_Scale_Low,
1110 (uint8_t) (pOverlay->HUSF));
1111 setvideoreg(Index_VI_Hor_Post_Up_Scale_High,
1112 (uint8_t) ((pOverlay->HUSF) >> 8));
1113 setvideoreg(Index_VI_Ver_Up_Scale_Low, (uint8_t) (pOverlay->VUSF));
1114 setvideoreg(Index_VI_Ver_Up_Scale_High,
1115 (uint8_t) ((pOverlay->VUSF) >> 8));
1116
1117 setvideoregmask(Index_VI_Scale_Control, (pOverlay->IntBit << 3)
1118 | (pOverlay->wHPre), 0x7f);
1119
1120 /* set destination window position */
1121 setvideoreg(Index_VI_Win_Hor_Disp_Start_Low, (uint8_t) left);
1122 setvideoreg(Index_VI_Win_Hor_Disp_End_Low, (uint8_t) right);
1123 setvideoreg(Index_VI_Win_Hor_Over, (uint8_t) h_over);
1124
1125 setvideoreg(Index_VI_Win_Ver_Disp_Start_Low, (uint8_t) top);
1126 setvideoreg(Index_VI_Win_Ver_Disp_End_Low, (uint8_t) bottom);
1127 setvideoreg(Index_VI_Win_Ver_Over, (uint8_t) v_over);
1128
1129 setvideoregmask(Index_VI_Control_Misc1, pOverlay->bobEnable, 0x1a);
1130
1131 /* Lock the address registers */
1132 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
1133 }
1134
1135
1136 /* TW: Overlay MUST NOT be switched off while beam is over it */
1137 static void close_overlay(void)
1138 {
1139 uint32_t watchdog;
1140
1141 if ((sis_displaymode == DISPMODE_SINGLE2) ||
1142 (sis_displaymode == DISPMODE_MIRROR)) {
1143 if (sis_has_two_overlays) {
1144 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
1145 watchdog = WATCHDOG_DELAY;
1146 while (vblank_active_CRT2() && --watchdog);
1147 watchdog = WATCHDOG_DELAY;
1148 while ((!vblank_active_CRT2()) && --watchdog);
1149 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1150 watchdog = WATCHDOG_DELAY;
1151 while (vblank_active_CRT2() && --watchdog);
1152 watchdog = WATCHDOG_DELAY;
1153 while ((!vblank_active_CRT2()) && --watchdog);
1154 } else if (sis_displaymode == DISPMODE_SINGLE2) {
1155 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
1156 watchdog = WATCHDOG_DELAY;
1157 while (vblank_active_CRT1() && --watchdog);
1158 watchdog = WATCHDOG_DELAY;
1159 while ((!vblank_active_CRT1()) && --watchdog);
1160 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1161 watchdog = WATCHDOG_DELAY;
1162 while (vblank_active_CRT1() && --watchdog);
1163 watchdog = WATCHDOG_DELAY;
1164 while ((!vblank_active_CRT1()) && --watchdog);
1165 }
1166 }
1167 if ((sis_displaymode == DISPMODE_SINGLE1) ||
1168 (sis_displaymode == DISPMODE_MIRROR)) {
1169 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
1170 watchdog = WATCHDOG_DELAY;
1171 while (vblank_active_CRT1() && --watchdog);
1172 watchdog = WATCHDOG_DELAY;
1173 while ((!vblank_active_CRT1()) && --watchdog);
1174 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1175 watchdog = WATCHDOG_DELAY;
1176 while (vblank_active_CRT1() && --watchdog);
1177 watchdog = WATCHDOG_DELAY;
1178 while ((!vblank_active_CRT1()) && --watchdog);
1179 }
1180 }
1181
1182
1183 static void
1184 calc_scale_factor(SISOverlayPtr pOverlay, int index, int iscrt2)
1185 {
1186 uint32_t i = 0, mult = 0;
1187 int flag = 0;
1188
1189 int dstW = pOverlay->dstBox.x2 - pOverlay->dstBox.x1;
1190 int dstH = pOverlay->dstBox.y2 - pOverlay->dstBox.y1;
1191 int srcW = pOverlay->srcW;
1192 int srcH = pOverlay->srcH;
1193 /* uint16_t LCDheight = pSiS->LCDheight; */
1194 int srcPitch = pOverlay->origPitch;
1195 int origdstH = dstH;
1196
1197 /* get rid of warnings for now */
1198 index = index;
1199 iscrt2 = iscrt2;
1200
1201 /* TW: For double scan modes, we need to double the height
1202 * (Perhaps we also need to scale LVDS, but I'm not sure.)
1203 * On 310/325 series, we need to double the width as well.
1204 * Interlace mode vice versa.
1205 */
1206 if (sis_vmode & VMODE_DOUBLESCAN) {
1207 dstH = origdstH << 1;
1208 flag = 0;
1209 if (sis_vga_engine == SIS_315_VGA) {
1210 dstW <<= 1;
1211 }
1212 }
1213 if (sis_vmode & VMODE_INTERLACED) {
1214 dstH = origdstH >> 1;
1215 flag = 0;
1216 }
1217
1218 if (dstW < OVERLAY_MIN_WIDTH)
1219 dstW = OVERLAY_MIN_WIDTH;
1220 if (dstW == srcW) {
1221 pOverlay->HUSF = 0x00;
1222 pOverlay->IntBit = 0x05;
1223 pOverlay->wHPre = 0;
1224 } else if (dstW > srcW) {
1225 dstW += 2;
1226 pOverlay->HUSF = (srcW << 16) / dstW;
1227 pOverlay->IntBit = 0x04;
1228 pOverlay->wHPre = 0;
1229 } else {
1230 int tmpW = dstW;
1231
1232 /* TW: It seems, the hardware can't scale below factor .125 (=1/8) if the
1233 pitch isn't a multiple of 256.
1234 TODO: Test this on the 310/325 series!
1235 */
1236 if ((srcPitch % 256) || (srcPitch < 256)) {
1237 if (((dstW * 1000) / srcW) < 125)
1238 dstW = tmpW = ((srcW * 125) / 1000) + 1;
1239 }
1240
1241 i = 0;
1242 pOverlay->IntBit = 0x01;
1243 while (srcW >= tmpW) {
1244 tmpW <<= 1;
1245 i++;
1246 }
1247 pOverlay->wHPre = (uint8_t) (i - 1);
1248 dstW <<= (i - 1);
1249 if ((srcW % dstW))
1250 pOverlay->HUSF = ((srcW - dstW) << 16) / dstW;
1251 else
1252 pOverlay->HUSF = 0x00;
1253 }
1254
1255 if (dstH < OVERLAY_MIN_HEIGHT)
1256 dstH = OVERLAY_MIN_HEIGHT;
1257 if (dstH == srcH) {
1258 pOverlay->VUSF = 0x00;
1259 pOverlay->IntBit |= 0x0A;
1260 } else if (dstH > srcH) {
1261 dstH += 0x02;
1262 pOverlay->VUSF = (srcH << 16) / dstH;
1263 pOverlay->IntBit |= 0x08;
1264 } else {
1265 uint32_t realI;
1266
1267 i = realI = srcH / dstH;
1268 pOverlay->IntBit |= 0x02;
1269
1270 if (i < 2) {
1271 pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
1272 /* TW: Needed for LCD-scaling modes */
1273 if ((flag) && (mult = (srcH / origdstH)) >= 2)
1274 pOverlay->pitch /= mult;
1275 } else {
1276 if (((srcPitch * i) >> 2) > 0xFFF) {
1277 i = (0xFFF * 2 / srcPitch);
1278 pOverlay->VUSF = 0xFFFF;
1279 } else {
1280 dstH = i * dstH;
1281 if (srcH % dstH)
1282 pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
1283 else
1284 pOverlay->VUSF = 0x00;
1285 }
1286 /* set video frame buffer offset */
1287 pOverlay->pitch = (uint16_t) (srcPitch * i);
1288 }
1289 }
1290 }
1291
1292 static void set_line_buf_size(SISOverlayPtr pOverlay)
1293 {
1294 uint8_t preHIDF;
1295 uint32_t i;
1296 uint32_t line = pOverlay->srcW;
1297
1298 if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
1299 (pOverlay->pixelFormat == IMGFMT_I420)) {
1300 preHIDF = pOverlay->wHPre & 0x07;
1301 switch (preHIDF) {
1302 case 3:
1303 if ((line & 0xffffff00) == line)
1304 i = (line >> 8);
1305 else
1306 i = (line >> 8) + 1;
1307 pOverlay->lineBufSize = (uint8_t) (i * 32 - 1);
1308 break;
1309 case 4:
1310 if ((line & 0xfffffe00) == line)
1311 i = (line >> 9);
1312 else
1313 i = (line >> 9) + 1;
1314 pOverlay->lineBufSize = (uint8_t) (i * 64 - 1);
1315 break;
1316 case 5:
1317 if ((line & 0xfffffc00) == line)
1318 i = (line >> 10);
1319 else
1320 i = (line >> 10) + 1;
1321 pOverlay->lineBufSize = (uint8_t) (i * 128 - 1);
1322 break;
1323 case 6:
1324 if ((line & 0xfffff800) == line)
1325 i = (line >> 11);
1326 else
1327 i = (line >> 11) + 1;
1328 pOverlay->lineBufSize = (uint8_t) (i * 256 - 1);
1329 break;
1330 default:
1331 if ((line & 0xffffff80) == line)
1332 i = (line >> 7);
1333 else
1334 i = (line >> 7) + 1;
1335 pOverlay->lineBufSize = (uint8_t) (i * 16 - 1);
1336 break;
1337 }
1338 } else { /* YUV2, UYVY */
1339 if ((line & 0xffffff8) == line)
1340 i = (line >> 3);
1341 else
1342 i = (line >> 3) + 1;
1343 pOverlay->lineBufSize = (uint8_t) (i - 1);
1344 }
1345 }
1346
1347 static void merge_line_buf(int enable)
1348 {
1349 if (enable) {
1350 switch (sis_displaymode) {
1351 case DISPMODE_SINGLE1:
1352 if (sis_has_two_overlays) {
1353 /* dual line merge */
1354 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1355 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1356 } else {
1357 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1358 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1359 }
1360 break;
1361 case DISPMODE_SINGLE2:
1362 if (sis_has_two_overlays) {
1363 /* line merge */
1364 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1365 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1366 } else {
1367 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1368 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1369 }
1370 break;
1371 case DISPMODE_MIRROR:
1372 default:
1373 /* line merge */
1374 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1375 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1376 if (sis_has_two_overlays) {
1377 /* line merge */
1378 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1379 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1380 }
1381 break;
1382 }
1383 } else {
1384 switch (sis_displaymode) {
1385 case DISPMODE_SINGLE1:
1386 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1387 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1388 break;
1389 case DISPMODE_SINGLE2:
1390 if (sis_has_two_overlays) {
1391 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1392 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1393 } else {
1394 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1395 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1396 }
1397 break;
1398 case DISPMODE_MIRROR:
1399 default:
1400 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1401 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1402 if (sis_has_two_overlays) {
1403 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1404 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1405 }
1406 break;
1407 }
1408 }
1409 }
1410
1411
1412 static void set_format(SISOverlayPtr pOverlay)
1413 {
1414 uint8_t fmt;
1415
1416 switch (pOverlay->pixelFormat) {
1417 case IMGFMT_YV12:
1418 case IMGFMT_I420:
1419 fmt = 0x0c;
1420 break;
1421 case IMGFMT_YUY2:
1422 fmt = 0x28;
1423 break;
1424 case IMGFMT_UYVY:
1425 fmt = 0x08;
1426 break;
1427 case IMGFMT_RGB15: /* D[5:4] : 00 RGB555, 01 RGB 565 */
1428 fmt = 0x00;
1429 break;
1430 case IMGFMT_RGB16:
1431 fmt = 0x10;
1432 break;
1433 default:
1434 fmt = 0x00;
1435 break;
1436 }
1437 setvideoregmask(Index_VI_Control_Misc0, fmt, 0x7c);
1438 }
1439
1440 static void set_colorkey(void)
1441 {
1442 uint8_t r, g, b;
1443
1444 b = (uint8_t) sis_grkey.ckey.blue;
1445 g = (uint8_t) sis_grkey.ckey.green;
1446 r = (uint8_t) sis_grkey.ckey.red;
1447
1448 /* set color key mode */
1449 setvideoregmask(Index_VI_Key_Overlay_OP,
1450 sis_grkey.ckey.op == CKEY_TRUE ?
1451 VI_ROP_DestKey : VI_ROP_Always, 0x0F);
1452
1453 /* set colorkey values */
1454 setvideoreg(Index_VI_Overlay_ColorKey_Blue_Min, (uint8_t) b);
1455 setvideoreg(Index_VI_Overlay_ColorKey_Green_Min, (uint8_t) g);
1456 setvideoreg(Index_VI_Overlay_ColorKey_Red_Min, (uint8_t) r);
1457
1458 setvideoreg(Index_VI_Overlay_ColorKey_Blue_Max, (uint8_t) b);
1459 setvideoreg(Index_VI_Overlay_ColorKey_Green_Max, (uint8_t) g);
1460 setvideoreg(Index_VI_Overlay_ColorKey_Red_Max, (uint8_t) r);
1461 }
1462
1463 static void set_brightness(uint8_t brightness)
1464 {
1465 setvideoreg(Index_VI_Brightness, brightness);
1466 }
1467
1468 static void set_contrast(uint8_t contrast)
1469 {
1470 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, contrast, 0x07);
1471 }
1472
1473 /* Next 3 functions are 310/325 series only */
1474
1475 static void set_saturation(char saturation)
1476 {
1477 uint8_t temp = 0;
1478
1479 if (saturation < 0) {
1480 temp |= 0x88;
1481 saturation = -saturation;
1482 }
1483 temp |= (saturation & 0x07);
1484 temp |= ((saturation & 0x07) << 4);
1485
1486 setvideoreg(Index_VI_Saturation, temp);
1487 }
1488
1489 static void set_hue(uint8_t hue)
1490 {
1491 setvideoreg(Index_VI_Hue, (hue & 0x08) ? (hue ^ 0x07) : hue);
1492 }
1493
1494 VDXDriver sis_drv = {
1495 "sis",
1496 NULL,
1497
1498 .probe = sis_probe,
1499 .get_caps = sis_get_caps,
1500 .query_fourcc = sis_query_fourcc,
1501 .init = sis_init,
1502 .destroy = sis_destroy,
1503 .config_playback = sis_config_playback,
1504 .playback_on = sis_playback_on,
1505 .playback_off = sis_playback_off,
1506 .frame_sel = sis_frame_select,
1507 .get_eq = sis_get_eq,
1508 .set_eq = sis_set_eq,
1509 .get_gkey = sis_get_gkeys,
1510 .set_gkey = sis_set_gkeys,
1511 };
mplayer with SMedia Glamo drivers