stream/http.c: Move mime_type_table extern declaration to network.h
[mplayer.git] / vidix / sis_vid.c
blob9decf3ce72626ca5fc2b7c64e51ed3f9a46ee078
1 /*
2 * VIDIX driver for SiS chipsets.
3 * Based on SiS Xv driver
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
9 * This file is part of MPlayer.
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.
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.
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.
26 #include <errno.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <inttypes.h>
31 #include <unistd.h>
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"
40 #include "sis_bridge.h"
41 #include "sis_regs.h"
42 #include "sis_defs.h"
45 /** Random defines **/
47 #define WATCHDOG_DELAY 500000 /* Watchdog counter for retrace waiting */
48 #define IMAGE_MIN_WIDTH 32 /* Min and max source image sizes */
49 #define IMAGE_MIN_HEIGHT 24
50 #define IMAGE_MAX_WIDTH 720
51 #define IMAGE_MAX_HEIGHT 576
52 #define IMAGE_MAX_WIDTH_M650 1920
53 #define IMAGE_MAX_HEIGHT_M650 1080
55 #define OVERLAY_MIN_WIDTH 32 /* Minimum overlay sizes */
56 #define OVERLAY_MIN_HEIGHT 24
58 #define DISPMODE_SINGLE1 0x1 /* TW: CRT1 only */
59 #define DISPMODE_SINGLE2 0x2 /* TW: CRT2 only */
60 #define DISPMODE_MIRROR 0x4 /* TW: CRT1 + CRT2 MIRROR */
62 #define VMODE_INTERLACED 0x1
63 #define VMODE_DOUBLESCAN 0x2
65 typedef struct {
66 short x1, y1, x2, y2;
67 } BoxRec;
69 typedef struct {
70 int pixelFormat;
72 uint16_t pitch;
73 uint16_t origPitch;
75 uint8_t keyOP;
76 uint16_t HUSF;
77 uint16_t VUSF;
78 uint8_t IntBit;
79 uint8_t wHPre;
81 uint16_t srcW;
82 uint16_t srcH;
84 BoxRec dstBox;
86 uint32_t PSY;
87 uint32_t PSV;
88 uint32_t PSU;
89 uint8_t bobEnable;
91 uint8_t contrastCtrl;
92 uint8_t contrastFactor;
94 uint8_t lineBufSize;
96 uint8_t(*VBlankActiveFunc)(void);
98 uint16_t SCREENheight;
100 } SISOverlayRec, *SISOverlayPtr;
103 /** static variable definitions **/
104 static int sis_probed = 0;
105 static pciinfo_t pci_info;
106 unsigned int sis_verbose = 0;
108 static void *sis_mem_base;
109 /* static void *sis_reg_base; */
110 unsigned short sis_iobase;
112 unsigned int sis_vga_engine = UNKNOWN_VGA;
113 static unsigned int sis_displaymode = DISPMODE_SINGLE1;
114 static unsigned int sis_has_two_overlays = 0;
115 static unsigned int sis_bridge_is_slave = 0;
116 static unsigned int sis_shift_value = 1;
117 static unsigned int sis_vmode = 0;
118 unsigned int sis_vbflags = DISPTYPE_DISP1;
119 unsigned int sis_overlay_on_crt1 = 1;
120 int sis_crt1_off = -1;
121 unsigned int sis_detected_crt2_devices;
122 unsigned int sis_force_crt2_type = CRT2_DEFAULT;
123 int sis_device_id = -1;
125 static int sis_format;
126 static int sis_Yoff = 0;
127 static int sis_Voff = 0;
128 static int sis_Uoff = 0;
129 static int sis_screen_width = 640;
130 static int sis_screen_height = 480;
132 static int sis_frames[VID_PLAY_MAXFRAMES];
134 static vidix_grkey_t sis_grkey;
136 static vidix_capability_t sis_cap = {
137 "SiS 300/310/325 Video Driver",
138 "Jake Page",
139 TYPE_OUTPUT,
140 {0, 0, 0, 0},
141 2048,
142 2048,
146 FLAG_UPSCALER | FLAG_DOWNSCALER | FLAG_EQUALIZER,
147 VENDOR_SIS,
149 {0, 0, 0, 0}
152 static vidix_video_eq_t sis_equal = {
153 VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST,
154 200, 0, 0, 0, 0, 0, 0, 0
157 static unsigned short sis_card_ids[] = {
158 DEVICE_SIS_300,
159 DEVICE_SIS_315H,
160 DEVICE_SIS_315,
161 DEVICE_SIS_315PRO,
162 DEVICE_SIS_330,
163 DEVICE_SIS_540_VGA,
164 DEVICE_SIS_550_VGA,
165 DEVICE_SIS_630_VGA,
166 DEVICE_SIS_650_VGA
169 /** function declarations **/
171 static void set_overlay(SISOverlayPtr pOverlay, int index);
172 static void close_overlay(void);
173 static void calc_scale_factor(SISOverlayPtr pOverlay,
174 int index, int iscrt2);
175 static void set_line_buf_size(SISOverlayPtr pOverlay);
176 static void merge_line_buf(int enable);
177 static void set_format(SISOverlayPtr pOverlay);
178 static void set_colorkey(void);
180 static void set_brightness(uint8_t brightness);
181 static void set_contrast(uint8_t contrast);
182 static void set_saturation(char saturation);
183 static void set_hue(uint8_t hue);
185 /* IO Port access functions */
186 static uint8_t getvideoreg(uint8_t reg)
188 uint8_t ret;
189 inSISIDXREG(SISVID, reg, ret);
190 return ret;
193 static void setvideoreg(uint8_t reg, uint8_t data)
195 outSISIDXREG(SISVID, reg, data);
198 static void setvideoregmask(uint8_t reg, uint8_t data, uint8_t mask)
200 uint8_t old;
202 inSISIDXREG(SISVID, reg, old);
203 data = (data & mask) | (old & (~mask));
204 outSISIDXREG(SISVID, reg, data);
207 static void setsrregmask(uint8_t reg, uint8_t data, uint8_t mask)
209 uint8_t old;
211 inSISIDXREG(SISSR, reg, old);
212 data = (data & mask) | (old & (~mask));
213 outSISIDXREG(SISSR, reg, data);
216 /* vblank checking*/
217 static uint8_t vblank_active_CRT1(void)
219 /* this may be too simplistic? */
220 return inSISREG(SISINPSTAT) & 0x08;
223 static uint8_t vblank_active_CRT2(void)
225 uint8_t ret;
226 if (sis_vga_engine == SIS_315_VGA) {
227 inSISIDXREG(SISPART1, Index_310_CRT2_FC_VR, ret);
228 } else {
229 inSISIDXREG(SISPART1, Index_CRT2_FC_VR, ret);
231 return (ret & 0x02) ^ 0x02;
234 static int find_chip(unsigned chip_id)
236 unsigned i;
237 for (i = 0; i < sizeof(sis_card_ids) / sizeof(unsigned short); i++) {
238 if (chip_id == sis_card_ids[i])
239 return i;
241 return -1;
244 static int sis_probe(int verbose, int force)
246 pciinfo_t lst[MAX_PCI_DEVICES];
247 unsigned i, num_pci;
248 int err;
250 sis_verbose = verbose;
251 force = force;
252 err = pci_scan(lst, &num_pci);
253 if (err) {
254 printf("[SiS] Error occurred during pci scan: %s\n", strerror(err));
255 return err;
256 } else {
257 err = ENXIO;
258 for (i = 0; i < num_pci; i++) {
259 if (lst[i].vendor == VENDOR_SIS) {
260 int idx;
261 const char *dname;
262 idx = find_chip(lst[i].device);
263 if (idx == -1)
264 continue;
265 dname = pci_device_name(VENDOR_SIS, lst[i].device);
266 dname = dname ? dname : "Unknown chip";
267 if (sis_verbose > 0)
268 printf("[SiS] Found chip: %s (0x%X)\n",
269 dname, lst[i].device);
270 sis_device_id = sis_cap.device_id = lst[i].device;
271 err = 0;
272 memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
274 sis_has_two_overlays = 0;
275 switch (sis_cap.device_id) {
276 case DEVICE_SIS_300:
277 case DEVICE_SIS_630_VGA:
278 sis_has_two_overlays = 1;
279 case DEVICE_SIS_540_VGA:
280 sis_vga_engine = SIS_300_VGA;
281 break;
282 case DEVICE_SIS_330:
283 case DEVICE_SIS_550_VGA:
284 sis_has_two_overlays = 1;
285 case DEVICE_SIS_315H:
286 case DEVICE_SIS_315:
287 case DEVICE_SIS_315PRO:
288 case DEVICE_SIS_650_VGA:
289 /* M650 & 651 have 2 overlays */
290 /* JCP: I think this works, but not really tested yet */
291 if (enable_app_io() == 0 )
293 unsigned char CR5F;
294 unsigned char tempreg1, tempreg2;
296 inSISIDXREG(SISCR, 0x5F, CR5F);
297 CR5F &= 0xf0;
298 andSISIDXREG(SISCR, 0x5c, 0x07);
299 inSISIDXREG(SISCR, 0x5c, tempreg1);
300 tempreg1 &= 0xf8;
301 setSISIDXREG(SISCR, 0x5c, 0x07, 0xf8);
302 inSISIDXREG(SISCR, 0x5c, tempreg2);
303 tempreg2 &= 0xf8;
304 if ((!tempreg1) || (tempreg2)) {
305 if (CR5F & 0x80) {
306 sis_has_two_overlays = 1;
308 } else {
309 sis_has_two_overlays = 1; /* ? */
311 if (sis_has_two_overlays) {
312 if (sis_verbose > 0)
313 printf
314 ("[SiS] detected M650/651 with 2 overlays\n");
316 disable_app_io();
318 sis_vga_engine = SIS_315_VGA;
319 break;
320 default:
321 /* should never get here */
322 sis_vga_engine = UNKNOWN_VGA;
323 break;
328 if (err && sis_verbose) {
329 printf("[SiS] Can't find chip\n");
330 } else {
331 sis_probed = 1;
334 return err;
337 static int sis_init(void)
339 uint8_t sr_data, cr_data, cr_data2;
340 char *env_overlay_crt;
342 if (!sis_probed) {
343 printf("[SiS] driver was not probed but is being initialized\n");
344 return EINTR;
347 if (enable_app_io() != 0)
349 printf("[SiS] can't enable register I/O\n");
350 return EINTR;
353 /* JCP: this is WRONG. Need to coordinate w/ sisfb to use correct mem */
354 /* map 16MB scary hack for now. */
355 sis_mem_base = map_phys_mem(pci_info.base0, 0x1000000);
356 /* sis_reg_base = map_phys_mem(pci_info.base1, 0x20000); */
357 sis_iobase = pci_info.base2 & 0xFFFC;
359 /* would like to use fb ioctl - or some other method - here to get
360 current resolution. */
361 inSISIDXREG(SISCR, 0x12, cr_data);
362 inSISIDXREG(SISCR, 0x07, cr_data2);
363 sis_screen_height =
364 ((cr_data & 0xff) | ((uint16_t) (cr_data2 & 0x02) << 7) |
365 ((uint16_t) (cr_data2 & 0x40) << 3) | ((uint16_t) (cr_data & 0x02)
366 << 9)) + 1;
368 inSISIDXREG(SISSR, 0x0b, sr_data);
369 inSISIDXREG(SISCR, 0x01, cr_data);
370 sis_screen_width = (((cr_data & 0xff) |
371 ((uint16_t) (sr_data & 0x0C) << 6)) + 1) * 8;
373 inSISIDXREG(SISSR, Index_SR_Graphic_Mode, sr_data);
374 if (sr_data & 0x20) /* interlaced mode */
375 sis_vmode |= VMODE_INTERLACED;
377 /* JCP: eventually I'd like to replace this with a call to sisfb
378 SISFB_GET_INFO ioctl to get video bridge info. Not for now,
379 since it requires a very new and not widely distributed version. */
380 sis_init_video_bridge();
382 env_overlay_crt = getenv("VIDIX_CRT");
383 if (env_overlay_crt) {
384 int crt = atoi(env_overlay_crt);
385 if (crt == 1 || crt == 2) {
386 sis_overlay_on_crt1 = (crt == 1);
387 if (sis_verbose > 0) {
388 printf
389 ("[SiS] override: using overlay on CRT%d from VIDIX_CRT\n",
390 crt);
395 return 0;
398 static void sis_destroy(void)
400 /* unmap_phys_mem(sis_reg_base, 0x20000); */
401 /* JCP: see above, hence also a hack. */
402 unmap_phys_mem(sis_mem_base, 0x1000000);
403 disable_app_io();
406 static int sis_get_caps(vidix_capability_t * to)
408 memcpy(to, &sis_cap, sizeof(vidix_capability_t));
409 return 0;
412 static int is_supported_fourcc(uint32_t fourcc)
414 switch (fourcc) {
415 case IMGFMT_YV12:
416 case IMGFMT_I420:
417 case IMGFMT_UYVY:
418 case IMGFMT_YUY2:
419 case IMGFMT_RGB15:
420 case IMGFMT_RGB16:
421 return 1;
422 default:
423 return 0;
427 static int sis_query_fourcc(vidix_fourcc_t * to)
429 if (is_supported_fourcc(to->fourcc)) {
430 to->depth = VID_DEPTH_8BPP | VID_DEPTH_16BPP | VID_DEPTH_32BPP;
431 to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
432 return 0;
433 } else
434 to->depth = to->flags = 0;
435 return ENOSYS;
438 static int bridge_in_slave_mode(void)
440 unsigned char usScratchP1_00;
442 if (!(sis_vbflags & VB_VIDEOBRIDGE))
443 return 0;
445 inSISIDXREG(SISPART1, 0x00, usScratchP1_00);
446 if (((sis_vga_engine == SIS_300_VGA)
447 && (usScratchP1_00 & 0xa0) == 0x20)
448 || ((sis_vga_engine == SIS_315_VGA)
449 && (usScratchP1_00 & 0x50) == 0x10)) {
450 return 1;
451 } else {
452 return 0;
456 /* This does not handle X dual head mode, since 1) vidix doesn't support it
457 and 2) it doesn't make sense for other gfx drivers */
458 static void set_dispmode(void)
460 sis_bridge_is_slave = 0;
462 if (bridge_in_slave_mode())
463 sis_bridge_is_slave = 1;
465 if ((sis_vbflags & VB_DISPMODE_MIRROR) ||
466 (sis_bridge_is_slave && (sis_vbflags & DISPTYPE_DISP2))) {
467 if (sis_has_two_overlays)
468 sis_displaymode = DISPMODE_MIRROR; /* TW: CRT1+CRT2 (2 overlays) */
469 else if (!sis_overlay_on_crt1)
470 sis_displaymode = DISPMODE_SINGLE2;
471 else
472 sis_displaymode = DISPMODE_SINGLE1;
473 } else {
474 if (sis_vbflags & DISPTYPE_DISP1) {
475 sis_displaymode = DISPMODE_SINGLE1; /* TW: CRT1 only */
476 } else {
477 sis_displaymode = DISPMODE_SINGLE2; /* TW: CRT2 only */
482 static void set_disptype_regs(void)
484 switch (sis_displaymode) {
485 case DISPMODE_SINGLE1: /* TW: CRT1 only */
486 if (sis_verbose > 2) {
487 printf("[SiS] Setting up overlay on CRT1\n");
489 if (sis_has_two_overlays) {
490 setsrregmask(0x06, 0x00, 0xc0);
491 setsrregmask(0x32, 0x00, 0xc0);
492 } else {
493 setsrregmask(0x06, 0x00, 0xc0);
494 setsrregmask(0x32, 0x00, 0xc0);
496 break;
497 case DISPMODE_SINGLE2: /* TW: CRT2 only */
498 if (sis_verbose > 2) {
499 printf("[SiS] Setting up overlay on CRT2\n");
501 if (sis_has_two_overlays) {
502 setsrregmask(0x06, 0x80, 0xc0);
503 setsrregmask(0x32, 0x80, 0xc0);
504 } else {
505 setsrregmask(0x06, 0x40, 0xc0);
506 setsrregmask(0x32, 0x40, 0xc0);
508 break;
509 case DISPMODE_MIRROR: /* TW: CRT1 + CRT2 */
510 default:
511 if (sis_verbose > 2) {
512 printf("[SiS] Setting up overlay on CRT1 AND CRT2!\n");
514 setsrregmask(0x06, 0x80, 0xc0);
515 setsrregmask(0x32, 0x80, 0xc0);
516 break;
520 static void init_overlay(void)
522 /* Initialize first overlay (CRT1) */
524 /* Write-enable video registers */
525 setvideoregmask(Index_VI_Control_Misc2, 0x80, 0x81);
527 /* Disable overlay */
528 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
530 /* Disable bobEnable */
531 setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
533 /* Reset scale control and contrast */
534 setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
535 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
537 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
538 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
539 setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
540 setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
541 setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
542 setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
543 setvideoreg(Index_VI_Play_Threshold_High, 0x00);
545 /* may not want to init these here, could already be set to other
546 values by app? */
547 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
548 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
549 setvideoreg(Index_VI_Brightness, 0x20);
550 if (sis_vga_engine == SIS_315_VGA) {
551 setvideoreg(Index_VI_Hue, 0x00);
552 setvideoreg(Index_VI_Saturation, 0x00);
555 /* Initialize second overlay (CRT2) */
556 if (sis_has_two_overlays) {
557 /* Write-enable video registers */
558 setvideoregmask(Index_VI_Control_Misc2, 0x81, 0x81);
560 /* Disable overlay */
561 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
563 /* Disable bobEnable */
564 setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
566 /* Reset scale control and contrast */
567 setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
568 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
570 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
571 setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
572 setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
573 setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
574 setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
575 setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
576 setvideoreg(Index_VI_Play_Threshold_High, 0x00);
578 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
579 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
580 setvideoreg(Index_VI_Brightness, 0x20);
581 if (sis_vga_engine == SIS_315_VGA) {
582 setvideoreg(Index_VI_Hue, 0x00);
583 setvideoreg(Index_VI_Saturation, 0x00);
588 static int sis_set_eq(const vidix_video_eq_t * eq);
590 static int sis_config_playback(vidix_playback_t * info)
592 SISOverlayRec overlay;
593 int srcOffsetX = 0, srcOffsetY = 0;
594 int sx, sy;
595 int index = 0, iscrt2 = 0;
596 int total_size;
598 short src_w, drw_w;
599 short src_h, drw_h;
600 short src_x, drw_x;
601 short src_y, drw_y;
602 long dga_offset;
603 int pitch;
604 unsigned int i;
606 if (!is_supported_fourcc(info->fourcc))
607 return -1;
609 /* set chipset/engine.dependent config info */
610 /* which CRT to use, etc.? */
611 switch (sis_vga_engine) {
612 case SIS_315_VGA:
613 sis_shift_value = 1;
614 sis_equal.cap |= VEQ_CAP_SATURATION | VEQ_CAP_HUE;
615 break;
616 case SIS_300_VGA:
617 default:
618 sis_shift_value = 2;
619 break;
622 sis_displaymode = DISPMODE_SINGLE1; /* xV driver code in set_dispmode() */
623 set_dispmode();
625 set_disptype_regs();
627 init_overlay();
629 /* get basic dimension info */
630 src_x = info->src.x;
631 src_y = info->src.y;
632 src_w = info->src.w;
633 src_h = info->src.h;
635 drw_x = info->dest.x;
636 drw_y = info->dest.y;
637 drw_w = info->dest.w;
638 drw_h = info->dest.h;
640 switch (info->fourcc) {
641 case IMGFMT_YV12:
642 case IMGFMT_I420:
643 pitch = (src_w + 7) & ~7;
644 total_size = (pitch * src_h * 3) >> 1;
645 break;
646 case IMGFMT_YUY2:
647 case IMGFMT_UYVY:
648 case IMGFMT_RGB15:
649 case IMGFMT_RGB16:
650 pitch = ((src_w << 1) + 3) & ~3;
651 total_size = pitch * src_h;
652 break;
653 default:
654 return -1;
657 /* "allocate" memory for overlay! */
658 /* start at 8MB = sisfb's "dri reserved space" -
659 really shouldn't hardcode though */
660 /* XXX: JCP - this can use the sisfb FBIO_ALLOC ioctl to safely
661 allocate "video heap" memory... */
662 dga_offset = 0x800000;
664 /* use 7MB for now. need to calc/get real info from sisfb? */
665 /* this can result in a LOT of frames - probably not necessary */
666 info->num_frames = 0x700000 / (total_size * 2);
667 if (info->num_frames > VID_PLAY_MAXFRAMES)
668 info->num_frames = VID_PLAY_MAXFRAMES;
670 info->dga_addr = sis_mem_base + dga_offset;
671 info->dest.pitch.y = 16;
672 info->dest.pitch.u = 16;
673 info->dest.pitch.v = 16;
674 info->offset.y = 0;
675 info->offset.u = 0;
676 info->offset.v = 0;
677 info->frame_size = (total_size * 2); /* why times 2 ? */
678 for (i = 0; i < info->num_frames; i++) {
679 info->offsets[i] = info->frame_size * i;
680 /* save ptrs to mem buffers */
681 sis_frames[i] = (dga_offset + info->offsets[i]);
684 memset(&overlay, 0, sizeof(overlay));
685 overlay.pixelFormat = sis_format = info->fourcc;
686 overlay.pitch = overlay.origPitch = pitch;
689 overlay.keyOP = (sis_grkey.ckey.op == CKEY_TRUE ?
690 VI_ROP_DestKey : VI_ROP_Always);
692 overlay.bobEnable = 0x00;
694 overlay.SCREENheight = sis_screen_height;
696 /* probably will not support X virtual screen > phys very well? */
697 overlay.dstBox.x1 = drw_x; /* - pScrn->frameX0; */
698 overlay.dstBox.x2 = drw_x + drw_w; /* - pScrn->frameX0; ??? */
699 overlay.dstBox.y1 = drw_y; /* - pScrn->frameY0; */
700 overlay.dstBox.y2 = drw_y + drw_h; /* - pScrn->frameY0; ??? */
702 if ((overlay.dstBox.x1 > overlay.dstBox.x2) ||
703 (overlay.dstBox.y1 > overlay.dstBox.y2))
704 return -1;
706 if ((overlay.dstBox.x2 < 0) || (overlay.dstBox.y2 < 0))
707 return -1;
709 if (overlay.dstBox.x1 < 0) {
710 srcOffsetX = src_w * (-overlay.dstBox.x1) / drw_w;
711 overlay.dstBox.x1 = 0;
713 if (overlay.dstBox.y1 < 0) {
714 srcOffsetY = src_h * (-overlay.dstBox.y1) / drw_h;
715 overlay.dstBox.y1 = 0;
718 switch (info->fourcc) {
719 case IMGFMT_YV12:
720 info->dest.pitch.y = 16;
721 sx = (src_x + srcOffsetX) & ~7;
722 sy = (src_y + srcOffsetY) & ~1;
723 info->offset.y = sis_Yoff = sx + sy * pitch;
724 /* JCP: NOTE reversed u & v here! Not sure why this is needed.
725 maybe mplayer & sis define U & V differently?? */
726 info->offset.u = sis_Voff =
727 src_h * pitch + ((sx + sy * pitch / 2) >> 1);
728 info->offset.v = sis_Uoff =
729 src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
731 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
732 overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
733 overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
734 break;
735 case IMGFMT_I420:
736 sx = (src_x + srcOffsetX) & ~7;
737 sy = (src_y + srcOffsetY) & ~1;
738 info->offset.y = sis_Yoff = sx + sy * pitch;
739 /* JCP: see above... */
740 info->offset.u = sis_Voff =
741 src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
742 info->offset.v = sis_Uoff =
743 src_h * pitch + ((sx + sy * pitch / 2) >> 1);
745 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
746 overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
747 overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
748 break;
749 case IMGFMT_YUY2:
750 case IMGFMT_UYVY:
751 case IMGFMT_RGB16:
752 case IMGFMT_RGB15:
753 default:
754 sx = (src_x + srcOffsetX) & ~1;
755 sy = (src_y + srcOffsetY);
756 info->offset.y = sis_Yoff = sx * 2 + sy * pitch;
758 overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
759 break;
762 /* FIXME: is it possible that srcW < 0? */
763 overlay.srcW = src_w - (sx - src_x);
764 overlay.srcH = src_h - (sy - src_y);
766 /* set merge line buffer */
767 merge_line_buf(overlay.srcW > 384);
769 /* calculate line buffer length */
770 set_line_buf_size(&overlay);
772 if (sis_displaymode == DISPMODE_SINGLE2) {
773 if (sis_has_two_overlays) {
774 /* TW: On chips with two overlays we use
775 * overlay 2 for CRT2 */
776 index = 1;
777 iscrt2 = 1;
778 } else {
779 /* TW: On chips with only one overlay we
780 * use that only overlay for CRT2 */
781 index = 0;
782 iscrt2 = 1;
784 overlay.VBlankActiveFunc = vblank_active_CRT2;
785 /* overlay.GetScanLineFunc = get_scanline_CRT2; */
786 } else {
787 index = 0;
788 iscrt2 = 0;
789 overlay.VBlankActiveFunc = vblank_active_CRT1;
790 /* overlay.GetScanLineFunc = get_scanline_CRT1; */
793 /* calc scale factor (to use below) */
794 calc_scale_factor(&overlay, index, iscrt2);
796 /* Select video1 (used for CRT1) or video2 (used for CRT2) */
797 setvideoregmask(Index_VI_Control_Misc2, index, 0x01);
799 set_format(&overlay);
801 set_colorkey();
803 sis_set_eq(&sis_equal);
805 /* set up video overlay registers */
806 set_overlay(&overlay, index);
808 /* prevent badness if bits are not at default setting */
809 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x01);
810 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x04);
812 /* JCP: Xv driver implementation loops back over above code to
813 setup mirror CRT2 */
815 return 0;
818 static int sis_playback_on(void)
820 setvideoregmask(Index_VI_Control_Misc0, 0x02, 0x02);
821 return 0;
824 static int sis_playback_off(void)
826 unsigned char sridx, cridx;
827 sridx = inSISREG(SISSR);
828 cridx = inSISREG(SISCR);
829 close_overlay();
830 outSISREG(SISSR, sridx);
831 outSISREG(SISCR, cridx);
833 return 0;
836 static int sis_frame_select(unsigned int frame)
838 uint8_t data;
839 int index = 0;
840 uint32_t PSY;
842 if (sis_displaymode == DISPMODE_SINGLE2 && sis_has_two_overlays) {
843 index = 1;
846 PSY = (sis_frames[frame] + sis_Yoff) >> sis_shift_value;
848 /* Unlock address registers */
849 data = getvideoreg(Index_VI_Control_Misc1);
850 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
851 /* TEST: Is this required? */
852 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
853 /* TEST end */
854 /* TEST: Is this required? */
855 if (sis_vga_engine == SIS_315_VGA)
856 setvideoreg(Index_VI_Control_Misc3, 0x00);
857 /* TEST end */
859 /* set Y start address */
860 setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (PSY));
861 setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle, (uint8_t) ((PSY) >> 8));
862 setvideoreg(Index_VI_Disp_Y_Buf_Start_High, (uint8_t) ((PSY) >> 16));
863 /* set 310/325 series overflow bits for Y plane */
864 if (sis_vga_engine == SIS_315_VGA) {
865 setvideoreg(Index_VI_Y_Buf_Start_Over,
866 ((uint8_t) ((PSY) >> 24) & 0x01));
869 /* Set U/V data if using plane formats */
870 if ((sis_format == IMGFMT_YV12) || (sis_format == IMGFMT_I420)) {
872 uint32_t PSU, PSV;
874 PSU = (sis_frames[frame] + sis_Uoff) >> sis_shift_value;
875 PSV = (sis_frames[frame] + sis_Voff) >> sis_shift_value;
877 /* set U/V start address */
878 setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
879 setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
880 setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
882 setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
883 setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
884 setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
886 /* 310/325 series overflow bits */
887 if (sis_vga_engine == SIS_315_VGA) {
888 setvideoreg(Index_VI_U_Buf_Start_Over,
889 ((uint8_t) (PSU >> 24) & 0x01));
890 setvideoreg(Index_VI_V_Buf_Start_Over,
891 ((uint8_t) (PSV >> 24) & 0x01));
895 if (sis_vga_engine == SIS_315_VGA) {
896 /* Trigger register copy for 310 series */
897 setvideoreg(Index_VI_Control_Misc3, 1 << index);
900 /* Lock the address registers */
901 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
903 return 0;
906 static int sis_get_gkeys(vidix_grkey_t * grkey)
908 memcpy(grkey, &sis_grkey, sizeof(vidix_grkey_t));
909 return 0;
912 static int sis_set_gkeys(const vidix_grkey_t * grkey)
914 memcpy(&sis_grkey, grkey, sizeof(vidix_grkey_t));
915 set_colorkey();
916 return 0;
919 static int sis_get_eq(vidix_video_eq_t * eq)
921 memcpy(eq, &sis_equal, sizeof(vidix_video_eq_t));
922 return 0;
925 static int sis_set_eq(const vidix_video_eq_t * eq)
927 int br, sat, cr, hue;
928 if (eq->cap & VEQ_CAP_BRIGHTNESS)
929 sis_equal.brightness = eq->brightness;
930 if (eq->cap & VEQ_CAP_CONTRAST)
931 sis_equal.contrast = eq->contrast;
932 if (eq->cap & VEQ_CAP_SATURATION)
933 sis_equal.saturation = eq->saturation;
934 if (eq->cap & VEQ_CAP_HUE)
935 sis_equal.hue = eq->hue;
936 if (eq->cap & VEQ_CAP_RGB_INTENSITY) {
937 sis_equal.red_intensity = eq->red_intensity;
938 sis_equal.green_intensity = eq->green_intensity;
939 sis_equal.blue_intensity = eq->blue_intensity;
941 sis_equal.flags = eq->flags;
943 cr = (sis_equal.contrast + 1000) * 7 / 2000;
944 if (cr < 0)
945 cr = 0;
946 if (cr > 7)
947 cr = 7;
949 br = sis_equal.brightness * 127 / 1000;
950 if (br < -128)
951 br = -128;
952 if (br > 127)
953 br = 127;
955 sat = (sis_equal.saturation * 7) / 1000;
956 if (sat < -7)
957 sat = -7;
958 if (sat > 7)
959 sat = 7;
961 hue = sis_equal.hue * 7 / 1000;
962 if (hue < -8)
963 hue = -8;
964 if (hue > 7)
965 hue = 7;
967 set_brightness(br);
968 set_contrast(cr);
969 if (sis_vga_engine == SIS_315_VGA) {
970 set_saturation(sat);
971 set_hue(hue);
974 return 0;
977 static void set_overlay(SISOverlayPtr pOverlay, int index)
979 uint16_t pitch = 0;
980 uint8_t h_over = 0, v_over = 0;
981 uint16_t top, bottom, left, right;
982 uint16_t screenX = sis_screen_width;
983 uint16_t screenY = sis_screen_height;
984 uint8_t data;
985 uint32_t watchdog;
987 top = pOverlay->dstBox.y1;
988 bottom = pOverlay->dstBox.y2;
989 if (bottom > screenY) {
990 bottom = screenY;
993 left = pOverlay->dstBox.x1;
994 right = pOverlay->dstBox.x2;
995 if (right > screenX) {
996 right = screenX;
999 /* JCP: these aren't really tested... */
1000 /* TW: DoubleScan modes require Y coordinates * 2 */
1001 if (sis_vmode & VMODE_DOUBLESCAN) {
1002 top <<= 1;
1003 bottom <<= 1;
1005 /* TW: Interlace modes require Y coordinates / 2 */
1006 if (sis_vmode & VMODE_INTERLACED) {
1007 top >>= 1;
1008 bottom >>= 1;
1011 h_over = (((left >> 8) & 0x0f) | ((right >> 4) & 0xf0));
1012 v_over = (((top >> 8) & 0x0f) | ((bottom >> 4) & 0xf0));
1014 pitch = pOverlay->pitch >> sis_shift_value;
1016 /* set line buffer size */
1017 setvideoreg(Index_VI_Line_Buffer_Size, pOverlay->lineBufSize);
1019 /* set color key mode */
1020 setvideoregmask(Index_VI_Key_Overlay_OP, pOverlay->keyOP, 0x0F);
1022 /* TW: We don't have to wait for vertical retrace in all cases */
1023 /* JCP: be safe for now. */
1024 if (1 /*pPriv->mustwait */ ) {
1025 watchdog = WATCHDOG_DELAY;
1026 while (pOverlay->VBlankActiveFunc() && --watchdog);
1027 watchdog = WATCHDOG_DELAY;
1028 while ((!pOverlay->VBlankActiveFunc()) && --watchdog);
1029 if (!watchdog && sis_verbose > 0) {
1030 printf("[SiS]: timed out waiting for vertical retrace\n");
1034 /* Unlock address registers */
1035 data = getvideoreg(Index_VI_Control_Misc1);
1036 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
1037 /* TEST: Is this required? */
1038 setvideoreg(Index_VI_Control_Misc1, data | 0x20);
1039 /* TEST end */
1041 /* TEST: Is this required? */
1042 if (sis_vga_engine == SIS_315_VGA)
1043 setvideoreg(Index_VI_Control_Misc3, 0x00);
1044 /* TEST end */
1046 /* Set Y buf pitch */
1047 setvideoreg(Index_VI_Disp_Y_Buf_Pitch_Low, (uint8_t) (pitch));
1048 setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
1049 (uint8_t) (pitch >> 8), 0x0f);
1051 /* Set Y start address */
1052 setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (pOverlay->PSY));
1053 setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle,
1054 (uint8_t) ((pOverlay->PSY) >> 8));
1055 setvideoreg(Index_VI_Disp_Y_Buf_Start_High,
1056 (uint8_t) ((pOverlay->PSY) >> 16));
1058 /* set 310/325 series overflow bits for Y plane */
1059 if (sis_vga_engine == SIS_315_VGA) {
1060 setvideoreg(Index_VI_Disp_Y_Buf_Pitch_High,
1061 (uint8_t) (pitch >> 12));
1062 setvideoreg(Index_VI_Y_Buf_Start_Over,
1063 ((uint8_t) ((pOverlay->PSY) >> 24) & 0x01));
1066 /* Set U/V data if using plane formats */
1067 if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
1068 (pOverlay->pixelFormat == IMGFMT_I420)) {
1070 uint32_t PSU, PSV;
1072 PSU = pOverlay->PSU;
1073 PSV = pOverlay->PSV;
1075 /* Set U/V pitch */
1076 setvideoreg(Index_VI_Disp_UV_Buf_Pitch_Low,
1077 (uint8_t) (pitch >> 1));
1078 setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
1079 (uint8_t) (pitch >> 5), 0xf0);
1081 /* set U/V start address */
1082 setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
1083 setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
1084 setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
1086 setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
1087 setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
1088 setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
1090 /* 310/325 series overflow bits */
1091 if (sis_vga_engine == SIS_315_VGA) {
1092 setvideoreg(Index_VI_Disp_UV_Buf_Pitch_High,
1093 (uint8_t) (pitch >> 13));
1094 setvideoreg(Index_VI_U_Buf_Start_Over,
1095 ((uint8_t) (PSU >> 24) & 0x01));
1096 setvideoreg(Index_VI_V_Buf_Start_Over,
1097 ((uint8_t) (PSV >> 24) & 0x01));
1101 if (sis_vga_engine == SIS_315_VGA) {
1102 /* Trigger register copy for 310 series */
1103 setvideoreg(Index_VI_Control_Misc3, 1 << index);
1106 /* set scale factor */
1107 setvideoreg(Index_VI_Hor_Post_Up_Scale_Low,
1108 (uint8_t) (pOverlay->HUSF));
1109 setvideoreg(Index_VI_Hor_Post_Up_Scale_High,
1110 (uint8_t) ((pOverlay->HUSF) >> 8));
1111 setvideoreg(Index_VI_Ver_Up_Scale_Low, (uint8_t) (pOverlay->VUSF));
1112 setvideoreg(Index_VI_Ver_Up_Scale_High,
1113 (uint8_t) ((pOverlay->VUSF) >> 8));
1115 setvideoregmask(Index_VI_Scale_Control, (pOverlay->IntBit << 3)
1116 | (pOverlay->wHPre), 0x7f);
1118 /* set destination window position */
1119 setvideoreg(Index_VI_Win_Hor_Disp_Start_Low, (uint8_t) left);
1120 setvideoreg(Index_VI_Win_Hor_Disp_End_Low, (uint8_t) right);
1121 setvideoreg(Index_VI_Win_Hor_Over, (uint8_t) h_over);
1123 setvideoreg(Index_VI_Win_Ver_Disp_Start_Low, (uint8_t) top);
1124 setvideoreg(Index_VI_Win_Ver_Disp_End_Low, (uint8_t) bottom);
1125 setvideoreg(Index_VI_Win_Ver_Over, (uint8_t) v_over);
1127 setvideoregmask(Index_VI_Control_Misc1, pOverlay->bobEnable, 0x1a);
1129 /* Lock the address registers */
1130 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
1134 /* TW: Overlay MUST NOT be switched off while beam is over it */
1135 static void close_overlay(void)
1137 uint32_t watchdog;
1139 if ((sis_displaymode == DISPMODE_SINGLE2) ||
1140 (sis_displaymode == DISPMODE_MIRROR)) {
1141 if (sis_has_two_overlays) {
1142 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
1143 watchdog = WATCHDOG_DELAY;
1144 while (vblank_active_CRT2() && --watchdog);
1145 watchdog = WATCHDOG_DELAY;
1146 while ((!vblank_active_CRT2()) && --watchdog);
1147 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1148 watchdog = WATCHDOG_DELAY;
1149 while (vblank_active_CRT2() && --watchdog);
1150 watchdog = WATCHDOG_DELAY;
1151 while ((!vblank_active_CRT2()) && --watchdog);
1152 } else if (sis_displaymode == DISPMODE_SINGLE2) {
1153 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
1154 watchdog = WATCHDOG_DELAY;
1155 while (vblank_active_CRT1() && --watchdog);
1156 watchdog = WATCHDOG_DELAY;
1157 while ((!vblank_active_CRT1()) && --watchdog);
1158 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1159 watchdog = WATCHDOG_DELAY;
1160 while (vblank_active_CRT1() && --watchdog);
1161 watchdog = WATCHDOG_DELAY;
1162 while ((!vblank_active_CRT1()) && --watchdog);
1165 if ((sis_displaymode == DISPMODE_SINGLE1) ||
1166 (sis_displaymode == DISPMODE_MIRROR)) {
1167 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
1168 watchdog = WATCHDOG_DELAY;
1169 while (vblank_active_CRT1() && --watchdog);
1170 watchdog = WATCHDOG_DELAY;
1171 while ((!vblank_active_CRT1()) && --watchdog);
1172 setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
1173 watchdog = WATCHDOG_DELAY;
1174 while (vblank_active_CRT1() && --watchdog);
1175 watchdog = WATCHDOG_DELAY;
1176 while ((!vblank_active_CRT1()) && --watchdog);
1181 static void
1182 calc_scale_factor(SISOverlayPtr pOverlay, int index, int iscrt2)
1184 uint32_t i = 0, mult = 0;
1185 int flag = 0;
1187 int dstW = pOverlay->dstBox.x2 - pOverlay->dstBox.x1;
1188 int dstH = pOverlay->dstBox.y2 - pOverlay->dstBox.y1;
1189 int srcW = pOverlay->srcW;
1190 int srcH = pOverlay->srcH;
1191 /* uint16_t LCDheight = pSiS->LCDheight; */
1192 int srcPitch = pOverlay->origPitch;
1193 int origdstH = dstH;
1195 /* get rid of warnings for now */
1196 index = index;
1197 iscrt2 = iscrt2;
1199 /* TW: For double scan modes, we need to double the height
1200 * (Perhaps we also need to scale LVDS, but I'm not sure.)
1201 * On 310/325 series, we need to double the width as well.
1202 * Interlace mode vice versa.
1204 if (sis_vmode & VMODE_DOUBLESCAN) {
1205 dstH = origdstH << 1;
1206 flag = 0;
1207 if (sis_vga_engine == SIS_315_VGA) {
1208 dstW <<= 1;
1211 if (sis_vmode & VMODE_INTERLACED) {
1212 dstH = origdstH >> 1;
1213 flag = 0;
1216 if (dstW < OVERLAY_MIN_WIDTH)
1217 dstW = OVERLAY_MIN_WIDTH;
1218 if (dstW == srcW) {
1219 pOverlay->HUSF = 0x00;
1220 pOverlay->IntBit = 0x05;
1221 pOverlay->wHPre = 0;
1222 } else if (dstW > srcW) {
1223 dstW += 2;
1224 pOverlay->HUSF = (srcW << 16) / dstW;
1225 pOverlay->IntBit = 0x04;
1226 pOverlay->wHPre = 0;
1227 } else {
1228 int tmpW = dstW;
1230 /* TW: It seems, the hardware can't scale below factor .125 (=1/8) if the
1231 pitch isn't a multiple of 256.
1232 TODO: Test this on the 310/325 series!
1234 if ((srcPitch % 256) || (srcPitch < 256)) {
1235 if (((dstW * 1000) / srcW) < 125)
1236 dstW = tmpW = ((srcW * 125) / 1000) + 1;
1239 i = 0;
1240 pOverlay->IntBit = 0x01;
1241 while (srcW >= tmpW) {
1242 tmpW <<= 1;
1243 i++;
1245 pOverlay->wHPre = (uint8_t) (i - 1);
1246 dstW <<= (i - 1);
1247 if ((srcW % dstW))
1248 pOverlay->HUSF = ((srcW - dstW) << 16) / dstW;
1249 else
1250 pOverlay->HUSF = 0x00;
1253 if (dstH < OVERLAY_MIN_HEIGHT)
1254 dstH = OVERLAY_MIN_HEIGHT;
1255 if (dstH == srcH) {
1256 pOverlay->VUSF = 0x00;
1257 pOverlay->IntBit |= 0x0A;
1258 } else if (dstH > srcH) {
1259 dstH += 0x02;
1260 pOverlay->VUSF = (srcH << 16) / dstH;
1261 pOverlay->IntBit |= 0x08;
1262 } else {
1263 uint32_t realI;
1265 i = realI = srcH / dstH;
1266 pOverlay->IntBit |= 0x02;
1268 if (i < 2) {
1269 pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
1270 /* TW: Needed for LCD-scaling modes */
1271 if ((flag) && (mult = (srcH / origdstH)) >= 2)
1272 pOverlay->pitch /= mult;
1273 } else {
1274 if (((srcPitch * i) >> 2) > 0xFFF) {
1275 i = (0xFFF * 2 / srcPitch);
1276 pOverlay->VUSF = 0xFFFF;
1277 } else {
1278 dstH = i * dstH;
1279 if (srcH % dstH)
1280 pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
1281 else
1282 pOverlay->VUSF = 0x00;
1284 /* set video frame buffer offset */
1285 pOverlay->pitch = (uint16_t) (srcPitch * i);
1290 static void set_line_buf_size(SISOverlayPtr pOverlay)
1292 uint8_t preHIDF;
1293 uint32_t i;
1294 uint32_t line = pOverlay->srcW;
1296 if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
1297 (pOverlay->pixelFormat == IMGFMT_I420)) {
1298 preHIDF = pOverlay->wHPre & 0x07;
1299 switch (preHIDF) {
1300 case 3:
1301 if ((line & 0xffffff00) == line)
1302 i = (line >> 8);
1303 else
1304 i = (line >> 8) + 1;
1305 pOverlay->lineBufSize = (uint8_t) (i * 32 - 1);
1306 break;
1307 case 4:
1308 if ((line & 0xfffffe00) == line)
1309 i = (line >> 9);
1310 else
1311 i = (line >> 9) + 1;
1312 pOverlay->lineBufSize = (uint8_t) (i * 64 - 1);
1313 break;
1314 case 5:
1315 if ((line & 0xfffffc00) == line)
1316 i = (line >> 10);
1317 else
1318 i = (line >> 10) + 1;
1319 pOverlay->lineBufSize = (uint8_t) (i * 128 - 1);
1320 break;
1321 case 6:
1322 if ((line & 0xfffff800) == line)
1323 i = (line >> 11);
1324 else
1325 i = (line >> 11) + 1;
1326 pOverlay->lineBufSize = (uint8_t) (i * 256 - 1);
1327 break;
1328 default:
1329 if ((line & 0xffffff80) == line)
1330 i = (line >> 7);
1331 else
1332 i = (line >> 7) + 1;
1333 pOverlay->lineBufSize = (uint8_t) (i * 16 - 1);
1334 break;
1336 } else { /* YUV2, UYVY */
1337 if ((line & 0xffffff8) == line)
1338 i = (line >> 3);
1339 else
1340 i = (line >> 3) + 1;
1341 pOverlay->lineBufSize = (uint8_t) (i - 1);
1345 static void merge_line_buf(int enable)
1347 if (enable) {
1348 switch (sis_displaymode) {
1349 case DISPMODE_SINGLE1:
1350 if (sis_has_two_overlays) {
1351 /* dual line merge */
1352 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1353 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1354 } else {
1355 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1356 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1358 break;
1359 case DISPMODE_SINGLE2:
1360 if (sis_has_two_overlays) {
1361 /* line merge */
1362 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1363 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1364 } else {
1365 setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
1366 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1368 break;
1369 case DISPMODE_MIRROR:
1370 default:
1371 /* line merge */
1372 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1373 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1374 if (sis_has_two_overlays) {
1375 /* line merge */
1376 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1377 setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
1379 break;
1381 } else {
1382 switch (sis_displaymode) {
1383 case DISPMODE_SINGLE1:
1384 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1385 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1386 break;
1387 case DISPMODE_SINGLE2:
1388 if (sis_has_two_overlays) {
1389 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1390 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1391 } else {
1392 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1393 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1395 break;
1396 case DISPMODE_MIRROR:
1397 default:
1398 setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
1399 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1400 if (sis_has_two_overlays) {
1401 setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
1402 setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
1404 break;
1410 static void set_format(SISOverlayPtr pOverlay)
1412 uint8_t fmt;
1414 switch (pOverlay->pixelFormat) {
1415 case IMGFMT_YV12:
1416 case IMGFMT_I420:
1417 fmt = 0x0c;
1418 break;
1419 case IMGFMT_YUY2:
1420 fmt = 0x28;
1421 break;
1422 case IMGFMT_UYVY:
1423 fmt = 0x08;
1424 break;
1425 case IMGFMT_RGB15: /* D[5:4] : 00 RGB555, 01 RGB 565 */
1426 fmt = 0x00;
1427 break;
1428 case IMGFMT_RGB16:
1429 fmt = 0x10;
1430 break;
1431 default:
1432 fmt = 0x00;
1433 break;
1435 setvideoregmask(Index_VI_Control_Misc0, fmt, 0x7c);
1438 static void set_colorkey(void)
1440 uint8_t r, g, b;
1442 b = (uint8_t) sis_grkey.ckey.blue;
1443 g = (uint8_t) sis_grkey.ckey.green;
1444 r = (uint8_t) sis_grkey.ckey.red;
1446 /* set color key mode */
1447 setvideoregmask(Index_VI_Key_Overlay_OP,
1448 sis_grkey.ckey.op == CKEY_TRUE ?
1449 VI_ROP_DestKey : VI_ROP_Always, 0x0F);
1451 /* set colorkey values */
1452 setvideoreg(Index_VI_Overlay_ColorKey_Blue_Min, (uint8_t) b);
1453 setvideoreg(Index_VI_Overlay_ColorKey_Green_Min, (uint8_t) g);
1454 setvideoreg(Index_VI_Overlay_ColorKey_Red_Min, (uint8_t) r);
1456 setvideoreg(Index_VI_Overlay_ColorKey_Blue_Max, (uint8_t) b);
1457 setvideoreg(Index_VI_Overlay_ColorKey_Green_Max, (uint8_t) g);
1458 setvideoreg(Index_VI_Overlay_ColorKey_Red_Max, (uint8_t) r);
1461 static void set_brightness(uint8_t brightness)
1463 setvideoreg(Index_VI_Brightness, brightness);
1466 static void set_contrast(uint8_t contrast)
1468 setvideoregmask(Index_VI_Contrast_Enh_Ctrl, contrast, 0x07);
1471 /* Next 3 functions are 310/325 series only */
1473 static void set_saturation(char saturation)
1475 uint8_t temp = 0;
1477 if (saturation < 0) {
1478 temp |= 0x88;
1479 saturation = -saturation;
1481 temp |= (saturation & 0x07);
1482 temp |= ((saturation & 0x07) << 4);
1484 setvideoreg(Index_VI_Saturation, temp);
1487 static void set_hue(uint8_t hue)
1489 setvideoreg(Index_VI_Hue, (hue & 0x08) ? (hue ^ 0x07) : hue);
1492 VDXDriver sis_drv = {
1493 "sis",
1494 NULL,
1496 .probe = sis_probe,
1497 .get_caps = sis_get_caps,
1498 .query_fourcc = sis_query_fourcc,
1499 .init = sis_init,
1500 .destroy = sis_destroy,
1501 .config_playback = sis_config_playback,
1502 .playback_on = sis_playback_on,
1503 .playback_off = sis_playback_off,
1504 .frame_sel = sis_frame_select,
1505 .get_eq = sis_get_eq,
1506 .set_eq = sis_set_eq,
1507 .get_gkey = sis_get_gkeys,
1508 .set_gkey = sis_set_gkeys,