Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | zr36120.c - Zoran 36120/36125 based framegrabbers |
| 3 | |
| 4 | Copyright (C) 1998-1999 Pauline Middelink <middelin@polyware.nl> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/major.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/vmalloc.h> |
| 30 | #include <linux/mm.h> |
| 31 | #include <linux/pci.h> |
| 32 | #include <linux/signal.h> |
| 33 | #include <linux/wait.h> |
| 34 | #include <asm/io.h> |
| 35 | #include <asm/pgtable.h> |
| 36 | #include <asm/page.h> |
| 37 | #include <linux/sched.h> |
| 38 | #include <linux/video_decoder.h> |
| 39 | |
| 40 | #include <asm/uaccess.h> |
| 41 | |
| 42 | #include "tuner.h" |
| 43 | #include "zr36120.h" |
| 44 | #include "zr36120_mem.h" |
| 45 | |
| 46 | /* mark an required function argument unused - lintism */ |
| 47 | #define UNUSED(x) (void)(x) |
| 48 | |
| 49 | /* sensible default */ |
| 50 | #ifndef CARDTYPE |
| 51 | #define CARDTYPE 0 |
| 52 | #endif |
| 53 | |
| 54 | /* Anybody who uses more than four? */ |
| 55 | #define ZORAN_MAX 4 |
| 56 | |
| 57 | static unsigned int triton1=0; /* triton1 chipset? */ |
| 58 | static unsigned int cardtype[ZORAN_MAX]={ [ 0 ... ZORAN_MAX-1 ] = CARDTYPE }; |
| 59 | static int video_nr = -1; |
| 60 | static int vbi_nr = -1; |
| 61 | |
| 62 | static struct pci_device_id zr36120_pci_tbl[] = { |
| 63 | { PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, |
| 64 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 65 | { 0 } |
| 66 | }; |
| 67 | MODULE_DEVICE_TABLE(pci, zr36120_pci_tbl); |
| 68 | |
| 69 | MODULE_AUTHOR("Pauline Middelink <middelin@polyware.nl>"); |
| 70 | MODULE_DESCRIPTION("Zoran ZR36120 based framegrabber"); |
| 71 | MODULE_LICENSE("GPL"); |
| 72 | |
Rusty Russell | 8d3b33f | 2006-03-25 03:07:05 -0800 | [diff] [blame] | 73 | module_param(triton1, uint, 0); |
| 74 | module_param_array(cardtype, uint, NULL, 0); |
| 75 | module_param(video_nr, int, 0); |
| 76 | module_param(vbi_nr, int, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | static int zoran_cards; |
| 79 | static struct zoran zorans[ZORAN_MAX]; |
| 80 | |
| 81 | /* |
| 82 | * the meaning of each element can be found in zr36120.h |
| 83 | * Determining the value of gpdir/gpval can be tricky. The |
| 84 | * best way is to run the card under the original software |
| 85 | * and read the values from the general purpose registers |
| 86 | * 0x28 and 0x2C. How you do that is left as an exercise |
| 87 | * to the impatient reader :) |
| 88 | */ |
| 89 | #define T 1 /* to separate the bools from the ints */ |
| 90 | #define F 0 |
| 91 | static struct tvcard tvcards[] = { |
| 92 | /* reported working by <middelin@polyware.nl> */ |
| 93 | /*0*/ { "Trust Victor II", |
| 94 | 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, |
| 95 | /* reported working by <Michael.Paxton@aihw.gov.au> */ |
| 96 | /*1*/ { "Aitech WaveWatcher TV-PCI", |
| 97 | 3, 0, T, F, T, T, 0x7F, 0x80, { 1, TUNER(3), SVHS(6) }, { 0 } }, |
| 98 | /* reported working by ? */ |
| 99 | /*2*/ { "Genius Video Wonder PCI Video Capture Card", |
| 100 | 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, |
| 101 | /* reported working by <Pascal.Gabriel@wanadoo.fr> */ |
| 102 | /*3*/ { "Guillemot Maxi-TV PCI", |
| 103 | 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, |
| 104 | /* reported working by "Craig Whitmore <lennon@igrin.co.nz> */ |
| 105 | /*4*/ { "Quadrant Buster", |
| 106 | 3, 3, T, F, T, T, 0x7F, 0x80, { SVHS(1), TUNER(2), 3 }, { 1, 2, 3 } }, |
| 107 | /* a debug entry which has all inputs mapped */ |
| 108 | /*5*/ { "ZR36120 based framegrabber (all inputs enabled)", |
| 109 | 6, 0, T, T, T, T, 0x7F, 0x80, { 1, 2, 3, 4, 5, 6 }, { 0 } } |
| 110 | }; |
| 111 | #undef T |
| 112 | #undef F |
| 113 | #define NRTVCARDS (sizeof(tvcards)/sizeof(tvcards[0])) |
| 114 | |
| 115 | #ifdef __sparc__ |
| 116 | #define ENDIANESS 0 |
| 117 | #else |
| 118 | #define ENDIANESS ZORAN_VFEC_LE |
| 119 | #endif |
| 120 | |
| 121 | static struct { const char name[8]; uint mode; uint bpp; } palette2fmt[] = { |
| 122 | /* n/a */ { "n/a", 0, 0 }, |
| 123 | /* GREY */ { "GRAY", 0, 0 }, |
| 124 | /* HI240 */ { "HI240", 0, 0 }, |
| 125 | /* RGB565 */ { "RGB565", ZORAN_VFEC_RGB_RGB565|ENDIANESS, 2 }, |
| 126 | /* RGB24 */ { "RGB24", ZORAN_VFEC_RGB_RGB888|ENDIANESS|ZORAN_VFEC_PACK24, 3 }, |
| 127 | /* RGB32 */ { "RGB32", ZORAN_VFEC_RGB_RGB888|ENDIANESS, 4 }, |
| 128 | /* RGB555 */ { "RGB555", ZORAN_VFEC_RGB_RGB555|ENDIANESS, 2 }, |
| 129 | /* YUV422 */ { "YUV422", ZORAN_VFEC_RGB_YUV422|ENDIANESS, 2 }, |
| 130 | /* YUYV */ { "YUYV", 0, 0 }, |
| 131 | /* UYVY */ { "UYVY", 0, 0 }, |
| 132 | /* YUV420 */ { "YUV420", 0, 0 }, |
| 133 | /* YUV411 */ { "YUV411", 0, 0 }, |
| 134 | /* RAW */ { "RAW", 0, 0 }, |
| 135 | /* YUV422P */ { "YUV422P", 0, 0 }, |
| 136 | /* YUV411P */ { "YUV411P", 0, 0 }}; |
| 137 | #define NRPALETTES (sizeof(palette2fmt)/sizeof(palette2fmt[0])) |
| 138 | #undef ENDIANESS |
| 139 | |
| 140 | /* ----------------------------------------------------------------------- */ |
| 141 | /* ZORAN chipset detector */ |
| 142 | /* shamelessly stolen from bttv.c */ |
| 143 | /* Reason for beeing here: we need to detect if we are running on a */ |
| 144 | /* Triton based chipset, and if so, enable a certain bit */ |
| 145 | /* ----------------------------------------------------------------------- */ |
| 146 | static |
| 147 | void __init handle_chipset(void) |
| 148 | { |
| 149 | /* Just in case some nut set this to something dangerous */ |
| 150 | if (triton1) |
| 151 | triton1 = ZORAN_VDC_TRICOM; |
| 152 | |
| 153 | if (pci_pci_problems & PCIPCI_TRITON) { |
| 154 | printk(KERN_INFO "zoran: Host bridge 82437FX Triton PIIX\n"); |
| 155 | triton1 = ZORAN_VDC_TRICOM; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | /* ----------------------------------------------------------------------- */ |
| 160 | /* ZORAN functions */ |
| 161 | /* ----------------------------------------------------------------------- */ |
| 162 | |
| 163 | static void zoran_set_geo(struct zoran* ztv, struct vidinfo* i); |
| 164 | |
| 165 | #if 0 /* unused */ |
| 166 | static |
| 167 | void zoran_dump(struct zoran *ztv) |
| 168 | { |
| 169 | char str[256]; |
| 170 | char *p=str; /* shut up, gcc! */ |
| 171 | int i; |
| 172 | |
| 173 | for (i=0; i<0x60; i+=4) { |
| 174 | if ((i % 16) == 0) { |
| 175 | if (i) printk("%s\n",str); |
| 176 | p = str; |
| 177 | p+= sprintf(str, KERN_DEBUG " %04x: ",i); |
| 178 | } |
| 179 | p += sprintf(p, "%08x ",zrread(i)); |
| 180 | } |
| 181 | } |
| 182 | #endif /* unused */ |
| 183 | |
| 184 | static |
| 185 | void reap_states(struct zoran* ztv) |
| 186 | { |
| 187 | /* count frames */ |
| 188 | ztv->fieldnr++; |
| 189 | |
| 190 | /* |
| 191 | * Are we busy at all? |
| 192 | * This depends on if there is a workqueue AND the |
| 193 | * videotransfer is enabled on the chip... |
| 194 | */ |
| 195 | if (ztv->workqueue && (zrread(ZORAN_VDC) & ZORAN_VDC_VIDEN)) |
| 196 | { |
| 197 | struct vidinfo* newitem; |
| 198 | |
| 199 | /* did we get a complete frame? */ |
| 200 | if (zrread(ZORAN_VSTR) & ZORAN_VSTR_GRAB) |
| 201 | return; |
| 202 | |
| 203 | DEBUG(printk(CARD_DEBUG "completed %s at %p\n",CARD,ztv->workqueue->kindof==FBUFFER_GRAB?"grab":"read",ztv->workqueue)); |
| 204 | |
| 205 | /* we are done with this buffer, tell everyone */ |
| 206 | ztv->workqueue->status = FBUFFER_DONE; |
| 207 | ztv->workqueue->fieldnr = ztv->fieldnr; |
| 208 | /* not good, here for BTTV_FIELDNR reasons */ |
| 209 | ztv->lastfieldnr = ztv->fieldnr; |
| 210 | |
| 211 | switch (ztv->workqueue->kindof) { |
| 212 | case FBUFFER_GRAB: |
| 213 | wake_up_interruptible(&ztv->grabq); |
| 214 | break; |
| 215 | case FBUFFER_VBI: |
| 216 | wake_up_interruptible(&ztv->vbiq); |
| 217 | break; |
| 218 | default: |
| 219 | printk(CARD_INFO "somebody killed the workqueue (kindof=%d)!\n",CARD,ztv->workqueue->kindof); |
| 220 | } |
| 221 | |
| 222 | /* item completed, skip to next item in queue */ |
| 223 | write_lock(&ztv->lock); |
| 224 | newitem = ztv->workqueue->next; |
| 225 | ztv->workqueue->next = 0; /* mark completed */ |
| 226 | ztv->workqueue = newitem; |
| 227 | write_unlock(&ztv->lock); |
| 228 | } |
| 229 | |
| 230 | /* |
| 231 | * ok, so it seems we have nothing in progress right now. |
| 232 | * Lets see if we can find some work. |
| 233 | */ |
| 234 | if (ztv->workqueue) |
| 235 | { |
| 236 | struct vidinfo* newitem; |
| 237 | again: |
| 238 | |
| 239 | DEBUG(printk(CARD_DEBUG "starting %s at %p\n",CARD,ztv->workqueue->kindof==FBUFFER_GRAB?"grab":"read",ztv->workqueue)); |
| 240 | |
| 241 | /* loadup the frame settings */ |
| 242 | read_lock(&ztv->lock); |
| 243 | zoran_set_geo(ztv,ztv->workqueue); |
| 244 | read_unlock(&ztv->lock); |
| 245 | |
| 246 | switch (ztv->workqueue->kindof) { |
| 247 | case FBUFFER_GRAB: |
| 248 | case FBUFFER_VBI: |
| 249 | zrand(~ZORAN_OCR_OVLEN, ZORAN_OCR); |
| 250 | zror(ZORAN_VSTR_SNAPSHOT,ZORAN_VSTR); |
| 251 | zror(ZORAN_VDC_VIDEN,ZORAN_VDC); |
| 252 | |
| 253 | /* start single-shot grab */ |
| 254 | zror(ZORAN_VSTR_GRAB, ZORAN_VSTR); |
| 255 | break; |
| 256 | default: |
| 257 | printk(CARD_INFO "what is this doing on the queue? (kindof=%d)\n",CARD,ztv->workqueue->kindof); |
| 258 | write_lock(&ztv->lock); |
| 259 | newitem = ztv->workqueue->next; |
| 260 | ztv->workqueue->next = 0; |
| 261 | ztv->workqueue = newitem; |
| 262 | write_unlock(&ztv->lock); |
| 263 | if (newitem) |
| 264 | goto again; /* yeah, sure.. */ |
| 265 | } |
| 266 | /* bye for now */ |
| 267 | return; |
| 268 | } |
| 269 | DEBUG(printk(CARD_DEBUG "nothing in queue\n",CARD)); |
| 270 | |
| 271 | /* |
| 272 | * What? Even the workqueue is empty? Am i really here |
| 273 | * for nothing? Did i come all that way to... do nothing? |
| 274 | */ |
| 275 | |
| 276 | /* do we need to overlay? */ |
| 277 | if (test_bit(STATE_OVERLAY, &ztv->state)) |
| 278 | { |
| 279 | /* are we already overlaying? */ |
| 280 | if (!(zrread(ZORAN_OCR) & ZORAN_OCR_OVLEN) || |
| 281 | !(zrread(ZORAN_VDC) & ZORAN_VDC_VIDEN)) |
| 282 | { |
| 283 | DEBUG(printk(CARD_DEBUG "starting overlay\n",CARD)); |
| 284 | |
| 285 | read_lock(&ztv->lock); |
| 286 | zoran_set_geo(ztv,&ztv->overinfo); |
| 287 | read_unlock(&ztv->lock); |
| 288 | |
| 289 | zror(ZORAN_OCR_OVLEN, ZORAN_OCR); |
| 290 | zrand(~ZORAN_VSTR_SNAPSHOT,ZORAN_VSTR); |
| 291 | zror(ZORAN_VDC_VIDEN,ZORAN_VDC); |
| 292 | } |
| 293 | |
| 294 | /* |
| 295 | * leave overlaying on, but turn interrupts off. |
| 296 | */ |
| 297 | zrand(~ZORAN_ICR_EN,ZORAN_ICR); |
| 298 | return; |
| 299 | } |
| 300 | |
| 301 | /* do we have any VBI idle time processing? */ |
| 302 | if (test_bit(STATE_VBI, &ztv->state)) |
| 303 | { |
| 304 | struct vidinfo* item; |
| 305 | struct vidinfo* lastitem; |
| 306 | |
| 307 | /* protect the workqueue */ |
| 308 | write_lock(&ztv->lock); |
| 309 | lastitem = ztv->workqueue; |
| 310 | if (lastitem) |
| 311 | while (lastitem->next) lastitem = lastitem->next; |
| 312 | for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| 313 | if (item->next == 0 && item->status == FBUFFER_FREE) |
| 314 | { |
| 315 | DEBUG(printk(CARD_DEBUG "%p added to queue\n",CARD,item)); |
| 316 | item->status = FBUFFER_BUSY; |
| 317 | if (!lastitem) |
| 318 | ztv->workqueue = item; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 319 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | lastitem->next = item; |
| 321 | lastitem = item; |
| 322 | } |
| 323 | write_unlock(&ztv->lock); |
| 324 | if (ztv->workqueue) |
| 325 | goto again; /* hey, _i_ graduated :) */ |
| 326 | } |
| 327 | |
| 328 | /* |
| 329 | * Then we must be realy IDLE |
| 330 | */ |
| 331 | DEBUG(printk(CARD_DEBUG "turning off\n",CARD)); |
| 332 | /* nothing further to do, disable DMA and further IRQs */ |
| 333 | zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); |
| 334 | zrand(~ZORAN_ICR_EN,ZORAN_ICR); |
| 335 | } |
| 336 | |
| 337 | static |
| 338 | void zoran_irq(int irq, void *dev_id, struct pt_regs * regs) |
| 339 | { |
| 340 | u32 stat,estat; |
| 341 | int count = 0; |
| 342 | struct zoran *ztv = dev_id; |
| 343 | |
| 344 | UNUSED(irq); UNUSED(regs); |
| 345 | for (;;) { |
| 346 | /* get/clear interrupt status bits */ |
| 347 | stat=zrread(ZORAN_ISR); |
| 348 | estat=stat & zrread(ZORAN_ICR); |
| 349 | if (!estat) |
| 350 | return; |
| 351 | zrwrite(estat,ZORAN_ISR); |
| 352 | IDEBUG(printk(CARD_DEBUG "estat %08x\n",CARD,estat)); |
| 353 | IDEBUG(printk(CARD_DEBUG " stat %08x\n",CARD,stat)); |
| 354 | |
| 355 | if (estat & ZORAN_ISR_CODE) |
| 356 | { |
| 357 | IDEBUG(printk(CARD_DEBUG "CodReplIRQ\n",CARD)); |
| 358 | } |
| 359 | if (estat & ZORAN_ISR_GIRQ0) |
| 360 | { |
| 361 | IDEBUG(printk(CARD_DEBUG "GIRQ0\n",CARD)); |
| 362 | if (!ztv->card->usegirq1) |
| 363 | reap_states(ztv); |
| 364 | } |
| 365 | if (estat & ZORAN_ISR_GIRQ1) |
| 366 | { |
| 367 | IDEBUG(printk(CARD_DEBUG "GIRQ1\n",CARD)); |
| 368 | if (ztv->card->usegirq1) |
| 369 | reap_states(ztv); |
| 370 | } |
| 371 | |
| 372 | count++; |
| 373 | if (count > 10) |
| 374 | printk(CARD_ERR "irq loop %d (%x)\n",CARD,count,estat); |
| 375 | if (count > 20) |
| 376 | { |
| 377 | zrwrite(0, ZORAN_ICR); |
| 378 | printk(CARD_ERR "IRQ lockup, cleared int mask\n",CARD); |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | static |
| 384 | int zoran_muxsel(struct zoran* ztv, int channel, int norm) |
| 385 | { |
| 386 | int rv; |
| 387 | |
| 388 | /* set the new video norm */ |
| 389 | rv = i2c_control_device(&(ztv->i2c), I2C_DRIVERID_VIDEODECODER, DECODER_SET_NORM, &norm); |
| 390 | if (rv) |
| 391 | return rv; |
| 392 | ztv->norm = norm; |
| 393 | |
| 394 | /* map the given channel to the cards decoder's channel */ |
| 395 | channel = ztv->card->video_mux[channel] & CHANNEL_MASK; |
| 396 | |
| 397 | /* set the new channel */ |
| 398 | rv = i2c_control_device(&(ztv->i2c), I2C_DRIVERID_VIDEODECODER, DECODER_SET_INPUT, &channel); |
| 399 | return rv; |
| 400 | } |
| 401 | |
| 402 | /* Tell the interrupt handler what to to. */ |
| 403 | static |
| 404 | void zoran_cap(struct zoran* ztv, int on) |
| 405 | { |
| 406 | DEBUG(printk(CARD_DEBUG "zoran_cap(%d) state=%x\n",CARD,on,ztv->state)); |
| 407 | |
| 408 | if (on) { |
| 409 | ztv->running = 1; |
| 410 | |
| 411 | /* |
| 412 | * turn interrupts (back) on. The DMA will be enabled |
| 413 | * inside the irq handler when it detects a restart. |
| 414 | */ |
| 415 | zror(ZORAN_ICR_EN,ZORAN_ICR); |
| 416 | } |
| 417 | else { |
| 418 | /* |
| 419 | * turn both interrupts and DMA off |
| 420 | */ |
| 421 | zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); |
| 422 | zrand(~ZORAN_ICR_EN,ZORAN_ICR); |
| 423 | |
| 424 | ztv->running = 0; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | static ulong dmask[] = { |
| 429 | 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFC, 0xFFFFFFF8, |
| 430 | 0xFFFFFFF0, 0xFFFFFFE0, 0xFFFFFFC0, 0xFFFFFF80, |
| 431 | 0xFFFFFF00, 0xFFFFFE00, 0xFFFFFC00, 0xFFFFF800, |
| 432 | 0xFFFFF000, 0xFFFFE000, 0xFFFFC000, 0xFFFF8000, |
| 433 | 0xFFFF0000, 0xFFFE0000, 0xFFFC0000, 0xFFF80000, |
| 434 | 0xFFF00000, 0xFFE00000, 0xFFC00000, 0xFF800000, |
| 435 | 0xFF000000, 0xFE000000, 0xFC000000, 0xF8000000, |
| 436 | 0xF0000000, 0xE0000000, 0xC0000000, 0x80000000 |
| 437 | }; |
| 438 | |
| 439 | static |
| 440 | void zoran_built_overlay(struct zoran* ztv, int count, struct video_clip *vcp) |
| 441 | { |
| 442 | ulong* mtop; |
| 443 | int ystep = (ztv->vidXshift + ztv->vidWidth+31)/32; /* next DWORD */ |
| 444 | int i; |
| 445 | |
| 446 | DEBUG(printk(KERN_DEBUG " overlay at %p, ystep=%d, clips=%d\n",ztv->overinfo.overlay,ystep,count)); |
| 447 | |
| 448 | for (i=0; i<count; i++) { |
| 449 | struct video_clip *vp = vcp+i; |
| 450 | UNUSED(vp); |
| 451 | DEBUG(printk(KERN_DEBUG " %d: clip(%d,%d,%d,%d)\n", i,vp->x,vp->y,vp->width,vp->height)); |
| 452 | } |
| 453 | |
| 454 | /* |
| 455 | * activate the visible portion of the screen |
| 456 | * Note we take some shortcuts here, because we |
| 457 | * know the width can never be < 32. (I.e. a DWORD) |
| 458 | * We also assume the overlay starts somewhere in |
| 459 | * the FIRST dword. |
| 460 | */ |
| 461 | { |
| 462 | int start = ztv->vidXshift; |
| 463 | ulong firstd = dmask[start]; |
| 464 | ulong lastd = ~dmask[(start + ztv->overinfo.w) & 31]; |
| 465 | mtop = ztv->overinfo.overlay; |
| 466 | for (i=0; i<ztv->overinfo.h; i++) { |
| 467 | int w = ztv->vidWidth; |
| 468 | ulong* line = mtop; |
| 469 | if (start & 31) { |
| 470 | *line++ = firstd; |
| 471 | w -= 32-(start&31); |
| 472 | } |
| 473 | memset(line, ~0, w/8); |
| 474 | if (w & 31) |
| 475 | line[w/32] = lastd; |
| 476 | mtop += ystep; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | /* process clipping regions */ |
| 481 | for (i=0; i<count; i++) { |
| 482 | int h; |
| 483 | if (vcp->x < 0 || (uint)vcp->x > ztv->overinfo.w || |
| 484 | vcp->y < 0 || vcp->y > ztv->overinfo.h || |
| 485 | vcp->width < 0 || (uint)(vcp->x+vcp->width) > ztv->overinfo.w || |
| 486 | vcp->height < 0 || (vcp->y+vcp->height) > ztv->overinfo.h) |
| 487 | { |
| 488 | DEBUG(printk(CARD_DEBUG "invalid clipzone (%d,%d,%d,%d) not in (0,0,%d,%d), adapting\n",CARD,vcp->x,vcp->y,vcp->width,vcp->height,ztv->overinfo.w,ztv->overinfo.h)); |
| 489 | if (vcp->x < 0) vcp->x = 0; |
| 490 | if ((uint)vcp->x > ztv->overinfo.w) vcp->x = ztv->overinfo.w; |
| 491 | if (vcp->y < 0) vcp->y = 0; |
| 492 | if (vcp->y > ztv->overinfo.h) vcp->y = ztv->overinfo.h; |
| 493 | if (vcp->width < 0) vcp->width = 0; |
| 494 | if ((uint)(vcp->x+vcp->width) > ztv->overinfo.w) vcp->width = ztv->overinfo.w - vcp->x; |
| 495 | if (vcp->height < 0) vcp->height = 0; |
| 496 | if (vcp->y+vcp->height > ztv->overinfo.h) vcp->height = ztv->overinfo.h - vcp->y; |
| 497 | // continue; |
| 498 | } |
| 499 | |
| 500 | mtop = &ztv->overinfo.overlay[vcp->y*ystep]; |
| 501 | for (h=0; h<=vcp->height; h++) { |
| 502 | int w; |
| 503 | int x = ztv->vidXshift + vcp->x; |
| 504 | for (w=0; w<=vcp->width; w++) { |
| 505 | clear_bit(x&31, &mtop[x/32]); |
| 506 | x++; |
| 507 | } |
| 508 | mtop += ystep; |
| 509 | } |
| 510 | ++vcp; |
| 511 | } |
| 512 | |
| 513 | mtop = ztv->overinfo.overlay; |
| 514 | zrwrite(virt_to_bus(mtop), ZORAN_MTOP); |
| 515 | zrwrite(virt_to_bus(mtop+ystep), ZORAN_MBOT); |
| 516 | zraor((ztv->vidInterlace*ystep)<<0,~ZORAN_OCR_MASKSTRIDE,ZORAN_OCR); |
| 517 | } |
| 518 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 519 | struct tvnorm |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | { |
| 521 | u16 Wt, Wa, Ht, Ha, HStart, VStart; |
| 522 | }; |
| 523 | |
| 524 | static struct tvnorm tvnorms[] = { |
| 525 | /* PAL-BDGHI */ |
| 526 | /* { 864, 720, 625, 576, 131, 21 },*/ |
| 527 | /*00*/ { 864, 768, 625, 576, 81, 17 }, |
| 528 | /* NTSC */ |
| 529 | /*01*/ { 858, 720, 525, 480, 121, 10 }, |
| 530 | /* SECAM */ |
| 531 | /*02*/ { 864, 720, 625, 576, 131, 21 }, |
| 532 | /* BW50 */ |
| 533 | /*03*/ { 864, 720, 625, 576, 131, 21 }, |
| 534 | /* BW60 */ |
| 535 | /*04*/ { 858, 720, 525, 480, 121, 10 } |
| 536 | }; |
| 537 | #define TVNORMS (sizeof(tvnorms)/sizeof(tvnorm)) |
| 538 | |
| 539 | /* |
| 540 | * Program the chip for a setup as described in the vidinfo struct. |
| 541 | * |
| 542 | * Side-effects: calculates vidXshift, vidInterlace, |
| 543 | * vidHeight, vidWidth which are used in a later stage |
| 544 | * to calculate the overlay mask |
| 545 | * |
| 546 | * This is an internal function, as such it does not check the |
| 547 | * validity of the struct members... Spectaculair crashes will |
| 548 | * follow /very/ quick when you're wrong and the chip right :) |
| 549 | */ |
| 550 | static |
| 551 | void zoran_set_geo(struct zoran* ztv, struct vidinfo* i) |
| 552 | { |
| 553 | ulong top, bot; |
| 554 | int stride; |
| 555 | int winWidth, winHeight; |
| 556 | int maxWidth, maxHeight, maxXOffset, maxYOffset; |
| 557 | long vfec; |
| 558 | |
| 559 | DEBUG(printk(CARD_DEBUG "set_geo(rect=(%d,%d,%d,%d), norm=%d, format=%d, bpp=%d, bpl=%d, busadr=%lx, overlay=%p)\n",CARD,i->x,i->y,i->w,i->h,ztv->norm,i->format,i->bpp,i->bpl,i->busadr,i->overlay)); |
| 560 | |
| 561 | /* |
| 562 | * make sure the DMA transfers are inhibited during our |
| 563 | * reprogramming of the chip |
| 564 | */ |
| 565 | zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); |
| 566 | |
| 567 | maxWidth = tvnorms[ztv->norm].Wa; |
| 568 | maxHeight = tvnorms[ztv->norm].Ha/2; |
| 569 | maxXOffset = tvnorms[ztv->norm].HStart; |
| 570 | maxYOffset = tvnorms[ztv->norm].VStart; |
| 571 | |
| 572 | /* setup vfec register (keep ExtFl,TopField and VCLKPol settings) */ |
| 573 | vfec = (zrread(ZORAN_VFEC) & (ZORAN_VFEC_EXTFL|ZORAN_VFEC_TOPFIELD|ZORAN_VFEC_VCLKPOL)) | |
| 574 | (palette2fmt[i->format].mode & (ZORAN_VFEC_RGB|ZORAN_VFEC_ERRDIF|ZORAN_VFEC_LE|ZORAN_VFEC_PACK24)); |
| 575 | |
| 576 | /* |
| 577 | * Set top, bottom ptrs. Since these must be DWORD aligned, |
| 578 | * possible adjust the x and the width of the window. |
| 579 | * so the endposition stay the same. The vidXshift will make |
| 580 | * sure we are not writing pixels before the requested x. |
| 581 | */ |
| 582 | ztv->vidXshift = 0; |
| 583 | winWidth = i->w; |
| 584 | if (winWidth < 0) |
| 585 | winWidth = -winWidth; |
| 586 | top = i->busadr + i->x*i->bpp + i->y*i->bpl; |
| 587 | if (top & 3) { |
| 588 | ztv->vidXshift = (top & 3) / i->bpp; |
| 589 | winWidth += ztv->vidXshift; |
| 590 | DEBUG(printk(KERN_DEBUG " window-x shifted %d pixels left\n",ztv->vidXshift)); |
| 591 | top &= ~3; |
| 592 | } |
| 593 | |
| 594 | /* |
| 595 | * bottom points to next frame but in interleaved mode we want |
| 596 | * to 'mix' the 2 frames to one capture, so 'bot' points to one |
| 597 | * (physical) line below the top line. |
| 598 | */ |
| 599 | bot = top + i->bpl; |
| 600 | zrwrite(top,ZORAN_VTOP); |
| 601 | zrwrite(bot,ZORAN_VBOT); |
| 602 | |
| 603 | /* |
| 604 | * Make sure the winWidth is DWORD aligned too, |
| 605 | * thereby automaticly making sure the stride to the |
| 606 | * next line is DWORD aligned too (as required by spec). |
| 607 | */ |
| 608 | if ((winWidth*i->bpp) & 3) { |
| 609 | DEBUG(printk(KERN_DEBUG " window-width enlarged by %d pixels\n",(winWidth*i->bpp) & 3)); |
| 610 | winWidth += (winWidth*i->bpp) & 3; |
| 611 | } |
| 612 | |
| 613 | /* determine the DispMode and stride */ |
| 614 | if (i->h >= 0 && i->h <= maxHeight) { |
| 615 | /* single frame grab suffices for this height. */ |
| 616 | vfec |= ZORAN_VFEC_DISPMOD; |
| 617 | ztv->vidInterlace = 0; |
| 618 | stride = i->bpl - (winWidth*i->bpp); |
| 619 | winHeight = i->h; |
| 620 | } |
| 621 | else { |
| 622 | /* interleaving needed for this height */ |
| 623 | ztv->vidInterlace = 1; |
| 624 | stride = i->bpl*2 - (winWidth*i->bpp); |
| 625 | winHeight = i->h/2; |
| 626 | } |
| 627 | if (winHeight < 0) /* can happen for VBI! */ |
| 628 | winHeight = -winHeight; |
| 629 | |
| 630 | /* safety net, sometimes bpl is too short??? */ |
| 631 | if (stride<0) { |
| 632 | DEBUG(printk(CARD_DEBUG "WARNING stride = %d\n",CARD,stride)); |
| 633 | stride = 0; |
| 634 | } |
| 635 | |
| 636 | zraor((winHeight<<12)|(winWidth<<0),~(ZORAN_VDC_VIDWINHT|ZORAN_VDC_VIDWINWID), ZORAN_VDC); |
| 637 | zraor(stride<<16,~ZORAN_VSTR_DISPSTRIDE,ZORAN_VSTR); |
| 638 | |
| 639 | /* remember vidWidth, vidHeight for overlay calculations */ |
| 640 | ztv->vidWidth = winWidth; |
| 641 | ztv->vidHeight = winHeight; |
| 642 | DEBUG(printk(KERN_DEBUG " top=%08lx, bottom=%08lx\n",top,bot)); |
| 643 | DEBUG(printk(KERN_DEBUG " winWidth=%d, winHeight=%d\n",winWidth,winHeight)); |
| 644 | DEBUG(printk(KERN_DEBUG " maxWidth=%d, maxHeight=%d\n",maxWidth,maxHeight)); |
| 645 | DEBUG(printk(KERN_DEBUG " stride=%d\n",stride)); |
| 646 | |
| 647 | /* |
| 648 | * determine horizontal scales and crops |
| 649 | */ |
| 650 | if (i->w < 0) { |
| 651 | int Hstart = 1; |
| 652 | int Hend = Hstart + winWidth; |
| 653 | DEBUG(printk(KERN_DEBUG " Y: scale=0, start=%d, end=%d\n", Hstart, Hend)); |
| 654 | zraor((Hstart<<10)|(Hend<<0),~(ZORAN_VFEH_HSTART|ZORAN_VFEH_HEND),ZORAN_VFEH); |
| 655 | } |
| 656 | else { |
| 657 | int Wa = maxWidth; |
| 658 | int X = (winWidth*64+Wa-1)/Wa; |
| 659 | int We = winWidth*64/X; |
| 660 | int HorDcm = 64-X; |
| 661 | int hcrop1 = 2*(Wa-We)/4; |
| 662 | /* |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 663 | * BUGFIX: Juha Nurmela <junki@qn-lpr2-165.quicknet.inet.fi> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | * found the solution to the color phase shift. |
| 665 | * See ChangeLog for the full explanation) |
| 666 | */ |
| 667 | int Hstart = (maxXOffset + hcrop1) | 1; |
| 668 | int Hend = Hstart + We - 1; |
| 669 | |
| 670 | DEBUG(printk(KERN_DEBUG " X: scale=%d, start=%d, end=%d\n", HorDcm, Hstart, Hend)); |
| 671 | |
| 672 | zraor((Hstart<<10)|(Hend<<0),~(ZORAN_VFEH_HSTART|ZORAN_VFEH_HEND),ZORAN_VFEH); |
| 673 | vfec |= HorDcm<<14; |
| 674 | |
| 675 | if (HorDcm<16) |
| 676 | vfec |= ZORAN_VFEC_HFILTER_1; /* no filter */ |
| 677 | else if (HorDcm<32) |
| 678 | vfec |= ZORAN_VFEC_HFILTER_3; /* 3 tap filter */ |
| 679 | else if (HorDcm<48) |
| 680 | vfec |= ZORAN_VFEC_HFILTER_4; /* 4 tap filter */ |
| 681 | else vfec |= ZORAN_VFEC_HFILTER_5; /* 5 tap filter */ |
| 682 | } |
| 683 | |
| 684 | /* |
| 685 | * Determine vertical scales and crops |
| 686 | * |
| 687 | * when height is negative, we want to read starting at line 0 |
| 688 | * One day someone might need access to these lines... |
| 689 | */ |
| 690 | if (i->h < 0) { |
| 691 | int Vstart = 0; |
| 692 | int Vend = Vstart + winHeight; |
| 693 | DEBUG(printk(KERN_DEBUG " Y: scale=0, start=%d, end=%d\n", Vstart, Vend)); |
| 694 | zraor((Vstart<<10)|(Vend<<0),~(ZORAN_VFEV_VSTART|ZORAN_VFEV_VEND),ZORAN_VFEV); |
| 695 | } |
| 696 | else { |
| 697 | int Ha = maxHeight; |
| 698 | int Y = (winHeight*64+Ha-1)/Ha; |
| 699 | int He = winHeight*64/Y; |
| 700 | int VerDcm = 64-Y; |
| 701 | int vcrop1 = 2*(Ha-He)/4; |
| 702 | int Vstart = maxYOffset + vcrop1; |
| 703 | int Vend = Vstart + He - 1; |
| 704 | |
| 705 | DEBUG(printk(KERN_DEBUG " Y: scale=%d, start=%d, end=%d\n", VerDcm, Vstart, Vend)); |
| 706 | zraor((Vstart<<10)|(Vend<<0),~(ZORAN_VFEV_VSTART|ZORAN_VFEV_VEND),ZORAN_VFEV); |
| 707 | vfec |= VerDcm<<8; |
| 708 | } |
| 709 | |
| 710 | DEBUG(printk(KERN_DEBUG " F: format=%d(=%s)\n",i->format,palette2fmt[i->format].name)); |
| 711 | |
| 712 | /* setup the requested format */ |
| 713 | zrwrite(vfec, ZORAN_VFEC); |
| 714 | } |
| 715 | |
| 716 | static |
| 717 | void zoran_common_open(struct zoran* ztv, int flags) |
| 718 | { |
| 719 | UNUSED(flags); |
| 720 | |
| 721 | /* already opened? */ |
| 722 | if (ztv->users++ != 0) |
| 723 | return; |
| 724 | |
| 725 | /* unmute audio */ |
| 726 | /* /what/ audio? */ |
| 727 | |
| 728 | ztv->state = 0; |
| 729 | |
| 730 | /* setup the encoder to the initial values */ |
| 731 | ztv->picture.colour=254<<7; |
| 732 | ztv->picture.brightness=128<<8; |
| 733 | ztv->picture.hue=128<<8; |
| 734 | ztv->picture.contrast=216<<7; |
| 735 | i2c_control_device(&ztv->i2c, I2C_DRIVERID_VIDEODECODER, DECODER_SET_PICTURE, &ztv->picture); |
| 736 | |
| 737 | /* default to the composite input since my camera is there */ |
| 738 | zoran_muxsel(ztv, 0, VIDEO_MODE_PAL); |
| 739 | } |
| 740 | |
| 741 | static |
| 742 | void zoran_common_close(struct zoran* ztv) |
| 743 | { |
| 744 | if (--ztv->users != 0) |
| 745 | return; |
| 746 | |
| 747 | /* mute audio */ |
| 748 | /* /what/ audio? */ |
| 749 | |
| 750 | /* stop the chip */ |
| 751 | zoran_cap(ztv, 0); |
| 752 | } |
| 753 | |
| 754 | /* |
| 755 | * Open a zoran card. Right now the flags are just a hack |
| 756 | */ |
| 757 | static int zoran_open(struct video_device *dev, int flags) |
| 758 | { |
| 759 | struct zoran *ztv = (struct zoran*)dev; |
| 760 | struct vidinfo* item; |
| 761 | char* pos; |
| 762 | |
| 763 | DEBUG(printk(CARD_DEBUG "open(dev,%d)\n",CARD,flags)); |
| 764 | |
| 765 | /********************************************* |
| 766 | * We really should be doing lazy allocing... |
| 767 | *********************************************/ |
| 768 | /* allocate a frame buffer */ |
| 769 | if (!ztv->fbuffer) |
| 770 | ztv->fbuffer = bmalloc(ZORAN_MAX_FBUFSIZE); |
| 771 | if (!ztv->fbuffer) { |
| 772 | /* could not get a buffer, bail out */ |
| 773 | return -ENOBUFS; |
| 774 | } |
| 775 | /* at this time we _always_ have a framebuffer */ |
| 776 | memset(ztv->fbuffer,0,ZORAN_MAX_FBUFSIZE); |
| 777 | |
| 778 | if (!ztv->overinfo.overlay) |
| 779 | ztv->overinfo.overlay = kmalloc(1024*1024/8, GFP_KERNEL); |
| 780 | if (!ztv->overinfo.overlay) { |
| 781 | /* could not get an overlay buffer, bail out */ |
| 782 | bfree(ztv->fbuffer, ZORAN_MAX_FBUFSIZE); |
| 783 | return -ENOBUFS; |
| 784 | } |
| 785 | /* at this time we _always_ have a overlay */ |
| 786 | |
| 787 | /* clear buffer status, and give them a DMAable address */ |
| 788 | pos = ztv->fbuffer; |
| 789 | for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) |
| 790 | { |
| 791 | item->status = FBUFFER_FREE; |
| 792 | item->memadr = pos; |
| 793 | item->busadr = virt_to_bus(pos); |
| 794 | pos += ZORAN_MAX_FBUFFER; |
| 795 | } |
| 796 | |
| 797 | /* do the common part of all open's */ |
| 798 | zoran_common_open(ztv, flags); |
| 799 | |
| 800 | return 0; |
| 801 | } |
| 802 | |
| 803 | static |
| 804 | void zoran_close(struct video_device* dev) |
| 805 | { |
| 806 | struct zoran *ztv = (struct zoran*)dev; |
| 807 | |
| 808 | DEBUG(printk(CARD_DEBUG "close(dev)\n",CARD)); |
| 809 | |
| 810 | /* driver specific closure */ |
| 811 | clear_bit(STATE_OVERLAY, &ztv->state); |
| 812 | |
| 813 | zoran_common_close(ztv); |
| 814 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 815 | /* |
| 816 | * This is sucky but right now I can't find a good way to |
| 817 | * be sure its safe to free the buffer. We wait 5-6 fields |
| 818 | * which is more than sufficient to be sure. |
| 819 | */ |
| 820 | msleep(100); /* Wait 1/10th of a second */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | |
| 822 | /* free the allocated framebuffer */ |
Jesper Juhl | f9101210 | 2005-09-10 00:26:54 -0700 | [diff] [blame] | 823 | bfree(ztv->fbuffer, ZORAN_MAX_FBUFSIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | ztv->fbuffer = 0; |
Jesper Juhl | f9101210 | 2005-09-10 00:26:54 -0700 | [diff] [blame] | 825 | kfree(ztv->overinfo.overlay); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | ztv->overinfo.overlay = 0; |
| 827 | |
| 828 | } |
| 829 | |
| 830 | /* |
| 831 | * This read function could be used reentrant in a SMP situation. |
| 832 | * |
| 833 | * This is made possible by the spinlock which is kept till we |
| 834 | * found and marked a buffer for our own use. The lock must |
| 835 | * be released as soon as possible to prevent lock contention. |
| 836 | */ |
| 837 | static |
| 838 | long zoran_read(struct video_device* dev, char* buf, unsigned long count, int nonblock) |
| 839 | { |
| 840 | struct zoran *ztv = (struct zoran*)dev; |
| 841 | unsigned long max; |
| 842 | struct vidinfo* unused = 0; |
| 843 | struct vidinfo* done = 0; |
| 844 | |
| 845 | DEBUG(printk(CARD_DEBUG "zoran_read(%p,%ld,%d)\n",CARD,buf,count,nonblock)); |
| 846 | |
| 847 | /* find ourself a free or completed buffer */ |
| 848 | for (;;) { |
| 849 | struct vidinfo* item; |
| 850 | |
| 851 | write_lock_irq(&ztv->lock); |
| 852 | for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) |
| 853 | { |
| 854 | if (!unused && item->status == FBUFFER_FREE) |
| 855 | unused = item; |
| 856 | if (!done && item->status == FBUFFER_DONE) |
| 857 | done = item; |
| 858 | } |
| 859 | if (done || unused) |
| 860 | break; |
| 861 | |
| 862 | /* no more free buffers, wait for them. */ |
| 863 | write_unlock_irq(&ztv->lock); |
| 864 | if (nonblock) |
| 865 | return -EWOULDBLOCK; |
| 866 | interruptible_sleep_on(&ztv->grabq); |
| 867 | if (signal_pending(current)) |
| 868 | return -EINTR; |
| 869 | } |
| 870 | |
| 871 | /* Do we have 'ready' data? */ |
| 872 | if (!done) { |
| 873 | /* no? than this will take a while... */ |
| 874 | if (nonblock) { |
| 875 | write_unlock_irq(&ztv->lock); |
| 876 | return -EWOULDBLOCK; |
| 877 | } |
| 878 | |
| 879 | /* mark the unused buffer as wanted */ |
| 880 | unused->status = FBUFFER_BUSY; |
| 881 | unused->w = 320; |
| 882 | unused->h = 240; |
| 883 | unused->format = VIDEO_PALETTE_RGB24; |
| 884 | unused->bpp = palette2fmt[unused->format].bpp; |
| 885 | unused->bpl = unused->w * unused->bpp; |
| 886 | unused->next = 0; |
| 887 | { /* add to tail of queue */ |
| 888 | struct vidinfo* oldframe = ztv->workqueue; |
| 889 | if (!oldframe) ztv->workqueue = unused; |
| 890 | else { |
| 891 | while (oldframe->next) oldframe = oldframe->next; |
| 892 | oldframe->next = unused; |
| 893 | } |
| 894 | } |
| 895 | write_unlock_irq(&ztv->lock); |
| 896 | |
| 897 | /* tell the state machine we want it filled /NOW/ */ |
| 898 | zoran_cap(ztv, 1); |
| 899 | |
| 900 | /* wait till this buffer gets grabbed */ |
| 901 | wait_event_interruptible(ztv->grabq, |
| 902 | (unused->status != FBUFFER_BUSY)); |
| 903 | /* see if a signal did it */ |
| 904 | if (signal_pending(current)) |
| 905 | return -EINTR; |
| 906 | done = unused; |
| 907 | } |
| 908 | else |
| 909 | write_unlock_irq(&ztv->lock); |
| 910 | |
| 911 | /* Yes! we got data! */ |
| 912 | max = done->bpl * done->h; |
| 913 | if (count > max) |
| 914 | count = max; |
| 915 | if (copy_to_user((void*)buf, done->memadr, count)) |
| 916 | count = -EFAULT; |
| 917 | |
| 918 | /* keep the engine running */ |
| 919 | done->status = FBUFFER_FREE; |
| 920 | // zoran_cap(ztv,1); |
| 921 | |
| 922 | /* tell listeners this buffer became free */ |
| 923 | wake_up_interruptible(&ztv->grabq); |
| 924 | |
| 925 | /* goodbye */ |
| 926 | DEBUG(printk(CARD_DEBUG "zoran_read() returns %lu\n",CARD,count)); |
| 927 | return count; |
| 928 | } |
| 929 | |
| 930 | static |
| 931 | long zoran_write(struct video_device* dev, const char* buf, unsigned long count, int nonblock) |
| 932 | { |
| 933 | struct zoran *ztv = (struct zoran *)dev; |
| 934 | UNUSED(ztv); UNUSED(dev); UNUSED(buf); UNUSED(count); UNUSED(nonblock); |
| 935 | DEBUG(printk(CARD_DEBUG "zoran_write\n",CARD)); |
| 936 | return -EINVAL; |
| 937 | } |
| 938 | |
| 939 | static |
| 940 | unsigned int zoran_poll(struct video_device *dev, struct file *file, poll_table *wait) |
| 941 | { |
| 942 | struct zoran *ztv = (struct zoran *)dev; |
| 943 | struct vidinfo* item; |
| 944 | unsigned int mask = 0; |
| 945 | |
| 946 | poll_wait(file, &ztv->grabq, wait); |
| 947 | |
| 948 | for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) |
| 949 | if (item->status == FBUFFER_DONE) |
| 950 | { |
| 951 | mask |= (POLLIN | POLLRDNORM); |
| 952 | break; |
| 953 | } |
| 954 | |
| 955 | DEBUG(printk(CARD_DEBUG "zoran_poll()=%x\n",CARD,mask)); |
| 956 | |
| 957 | return mask; |
| 958 | } |
| 959 | |
| 960 | /* append a new clipregion to the vector of video_clips */ |
| 961 | static |
| 962 | void new_clip(struct video_window* vw, struct video_clip* vcp, int x, int y, int w, int h) |
| 963 | { |
| 964 | vcp[vw->clipcount].x = x; |
| 965 | vcp[vw->clipcount].y = y; |
| 966 | vcp[vw->clipcount].width = w; |
| 967 | vcp[vw->clipcount].height = h; |
| 968 | vw->clipcount++; |
| 969 | } |
| 970 | |
| 971 | static |
| 972 | int zoran_ioctl(struct video_device* dev, unsigned int cmd, void *arg) |
| 973 | { |
| 974 | struct zoran* ztv = (struct zoran*)dev; |
| 975 | |
| 976 | switch (cmd) { |
| 977 | case VIDIOCGCAP: |
| 978 | { |
| 979 | struct video_capability c; |
| 980 | DEBUG(printk(CARD_DEBUG "VIDIOCGCAP\n",CARD)); |
| 981 | |
| 982 | strcpy(c.name,ztv->video_dev.name); |
| 983 | c.type = VID_TYPE_CAPTURE| |
| 984 | VID_TYPE_OVERLAY| |
| 985 | VID_TYPE_CLIPPING| |
| 986 | VID_TYPE_FRAMERAM| |
| 987 | VID_TYPE_SCALES; |
| 988 | if (ztv->have_tuner) |
| 989 | c.type |= VID_TYPE_TUNER; |
Alan Cox | 13f1371 | 2006-09-14 11:53:09 -0300 | [diff] [blame] | 990 | if (pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) |
| 991 | c.type &= ~VID_TYPE_OVERLAY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | if (ztv->have_decoder) { |
| 993 | c.channels = ztv->card->video_inputs; |
| 994 | c.audios = ztv->card->audio_inputs; |
| 995 | } else |
| 996 | /* no decoder -> no channels */ |
| 997 | c.channels = c.audios = 0; |
| 998 | c.maxwidth = 768; |
| 999 | c.maxheight = 576; |
| 1000 | c.minwidth = 32; |
| 1001 | c.minheight = 32; |
| 1002 | if (copy_to_user(arg,&c,sizeof(c))) |
| 1003 | return -EFAULT; |
| 1004 | break; |
| 1005 | } |
| 1006 | |
| 1007 | case VIDIOCGCHAN: |
| 1008 | { |
| 1009 | struct video_channel v; |
| 1010 | int mux; |
| 1011 | if (copy_from_user(&v, arg,sizeof(v))) |
| 1012 | return -EFAULT; |
| 1013 | DEBUG(printk(CARD_DEBUG "VIDIOCGCHAN(%d)\n",CARD,v.channel)); |
| 1014 | v.flags=VIDEO_VC_AUDIO |
| 1015 | #ifdef VIDEO_VC_NORM |
| 1016 | |VIDEO_VC_NORM |
| 1017 | #endif |
| 1018 | ; |
| 1019 | v.tuners=0; |
| 1020 | v.type=VIDEO_TYPE_CAMERA; |
| 1021 | #ifdef I_EXPECT_POSSIBLE_NORMS_IN_THE_API |
| 1022 | v.norm=VIDEO_MODE_PAL| |
| 1023 | VIDEO_MODE_NTSC| |
| 1024 | VIDEO_MODE_SECAM; |
| 1025 | #else |
| 1026 | v.norm=VIDEO_MODE_PAL; |
| 1027 | #endif |
| 1028 | /* too many inputs? no decoder -> no channels */ |
| 1029 | if (!ztv->have_decoder || v.channel < 0 || v.channel >= ztv->card->video_inputs) |
| 1030 | return -EINVAL; |
| 1031 | |
| 1032 | /* now determine the name of the channel */ |
| 1033 | mux = ztv->card->video_mux[v.channel]; |
| 1034 | if (mux & IS_TUNER) { |
| 1035 | /* lets assume only one tuner, yes? */ |
| 1036 | strcpy(v.name,"Television"); |
| 1037 | v.type = VIDEO_TYPE_TV; |
| 1038 | if (ztv->have_tuner) { |
| 1039 | v.flags |= VIDEO_VC_TUNER; |
| 1040 | v.tuners = 1; |
| 1041 | } |
| 1042 | } |
| 1043 | else if (mux & IS_SVHS) |
| 1044 | sprintf(v.name,"S-Video-%d",v.channel); |
| 1045 | else |
| 1046 | sprintf(v.name,"CVBS-%d",v.channel); |
| 1047 | |
| 1048 | if (copy_to_user(arg,&v,sizeof(v))) |
| 1049 | return -EFAULT; |
| 1050 | break; |
| 1051 | } |
| 1052 | case VIDIOCSCHAN: |
| 1053 | { /* set video channel */ |
| 1054 | struct video_channel v; |
| 1055 | if (copy_from_user(&v, arg,sizeof(v))) |
| 1056 | return -EFAULT; |
| 1057 | DEBUG(printk(CARD_DEBUG "VIDIOCSCHAN(%d,%d)\n",CARD,v.channel,v.norm)); |
| 1058 | |
| 1059 | /* too many inputs? no decoder -> no channels */ |
| 1060 | if (!ztv->have_decoder || v.channel >= ztv->card->video_inputs || v.channel < 0) |
| 1061 | return -EINVAL; |
| 1062 | |
| 1063 | if (v.norm != VIDEO_MODE_PAL && |
| 1064 | v.norm != VIDEO_MODE_NTSC && |
| 1065 | v.norm != VIDEO_MODE_SECAM && |
| 1066 | v.norm != VIDEO_MODE_AUTO) |
| 1067 | return -EOPNOTSUPP; |
| 1068 | |
| 1069 | /* make it happen, nr1! */ |
| 1070 | return zoran_muxsel(ztv,v.channel,v.norm); |
| 1071 | } |
| 1072 | |
| 1073 | case VIDIOCGTUNER: |
| 1074 | { |
| 1075 | struct video_tuner v; |
| 1076 | if (copy_from_user(&v, arg,sizeof(v))) |
| 1077 | return -EFAULT; |
| 1078 | DEBUG(printk(CARD_DEBUG "VIDIOCGTUNER(%d)\n",CARD,v.tuner)); |
| 1079 | |
| 1080 | /* Only no or one tuner for now */ |
| 1081 | if (!ztv->have_tuner || v.tuner) |
| 1082 | return -EINVAL; |
| 1083 | |
| 1084 | strcpy(v.name,"Television"); |
| 1085 | v.rangelow = 0; |
| 1086 | v.rangehigh = ~0; |
| 1087 | v.flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; |
| 1088 | v.mode = ztv->norm; |
| 1089 | v.signal = 0xFFFF; /* unknown */ |
| 1090 | |
| 1091 | if (copy_to_user(arg,&v,sizeof(v))) |
| 1092 | return -EFAULT; |
| 1093 | break; |
| 1094 | } |
| 1095 | case VIDIOCSTUNER: |
| 1096 | { |
| 1097 | struct video_tuner v; |
| 1098 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1099 | return -EFAULT; |
| 1100 | DEBUG(printk(CARD_DEBUG "VIDIOCSTUNER(%d,%d)\n",CARD,v.tuner,v.mode)); |
| 1101 | |
| 1102 | /* Only no or one tuner for now */ |
| 1103 | if (!ztv->have_tuner || v.tuner) |
| 1104 | return -EINVAL; |
| 1105 | |
| 1106 | /* and it only has certain valid modes */ |
| 1107 | if( v.mode != VIDEO_MODE_PAL && |
| 1108 | v.mode != VIDEO_MODE_NTSC && |
| 1109 | v.mode != VIDEO_MODE_SECAM) |
| 1110 | return -EOPNOTSUPP; |
| 1111 | |
| 1112 | /* engage! */ |
| 1113 | return zoran_muxsel(ztv,v.tuner,v.mode); |
| 1114 | } |
| 1115 | |
| 1116 | case VIDIOCGPICT: |
| 1117 | { |
| 1118 | struct video_picture p = ztv->picture; |
| 1119 | DEBUG(printk(CARD_DEBUG "VIDIOCGPICT\n",CARD)); |
| 1120 | p.depth = ztv->depth; |
| 1121 | switch (p.depth) { |
| 1122 | case 8: p.palette=VIDEO_PALETTE_YUV422; |
| 1123 | break; |
| 1124 | case 15: p.palette=VIDEO_PALETTE_RGB555; |
| 1125 | break; |
| 1126 | case 16: p.palette=VIDEO_PALETTE_RGB565; |
| 1127 | break; |
| 1128 | case 24: p.palette=VIDEO_PALETTE_RGB24; |
| 1129 | break; |
| 1130 | case 32: p.palette=VIDEO_PALETTE_RGB32; |
| 1131 | break; |
| 1132 | } |
| 1133 | if (copy_to_user(arg, &p, sizeof(p))) |
| 1134 | return -EFAULT; |
| 1135 | break; |
| 1136 | } |
| 1137 | case VIDIOCSPICT: |
| 1138 | { |
| 1139 | struct video_picture p; |
| 1140 | if (copy_from_user(&p, arg,sizeof(p))) |
| 1141 | return -EFAULT; |
| 1142 | DEBUG(printk(CARD_DEBUG "VIDIOCSPICT(%d,%d,%d,%d,%d,%d,%d)\n",CARD,p.brightness,p.hue,p.colour,p.contrast,p.whiteness,p.depth,p.palette)); |
| 1143 | |
| 1144 | /* depth must match with framebuffer */ |
| 1145 | if (p.depth != ztv->depth) |
| 1146 | return -EINVAL; |
| 1147 | |
| 1148 | /* check if palette matches this bpp */ |
| 1149 | if (p.palette>NRPALETTES || |
| 1150 | palette2fmt[p.palette].bpp != ztv->overinfo.bpp) |
| 1151 | return -EINVAL; |
| 1152 | |
| 1153 | write_lock_irq(&ztv->lock); |
| 1154 | ztv->overinfo.format = p.palette; |
| 1155 | ztv->picture = p; |
| 1156 | write_unlock_irq(&ztv->lock); |
| 1157 | |
| 1158 | /* tell the decoder */ |
| 1159 | i2c_control_device(&ztv->i2c, I2C_DRIVERID_VIDEODECODER, DECODER_SET_PICTURE, &p); |
| 1160 | break; |
| 1161 | } |
| 1162 | |
| 1163 | case VIDIOCGWIN: |
| 1164 | { |
| 1165 | struct video_window vw; |
| 1166 | DEBUG(printk(CARD_DEBUG "VIDIOCGWIN\n",CARD)); |
| 1167 | read_lock(&ztv->lock); |
| 1168 | vw.x = ztv->overinfo.x; |
| 1169 | vw.y = ztv->overinfo.y; |
| 1170 | vw.width = ztv->overinfo.w; |
| 1171 | vw.height = ztv->overinfo.h; |
| 1172 | vw.chromakey= 0; |
| 1173 | vw.flags = 0; |
| 1174 | if (ztv->vidInterlace) |
| 1175 | vw.flags|=VIDEO_WINDOW_INTERLACE; |
| 1176 | read_unlock(&ztv->lock); |
| 1177 | if (copy_to_user(arg,&vw,sizeof(vw))) |
| 1178 | return -EFAULT; |
| 1179 | break; |
| 1180 | } |
| 1181 | case VIDIOCSWIN: |
| 1182 | { |
| 1183 | struct video_window vw; |
| 1184 | struct video_clip *vcp; |
| 1185 | int on; |
| 1186 | if (copy_from_user(&vw,arg,sizeof(vw))) |
| 1187 | return -EFAULT; |
| 1188 | DEBUG(printk(CARD_DEBUG "VIDIOCSWIN(%d,%d,%d,%d,%x,%d)\n",CARD,vw.x,vw.y,vw.width,vw.height,vw.flags,vw.clipcount)); |
| 1189 | |
| 1190 | if (vw.flags) |
| 1191 | return -EINVAL; |
| 1192 | |
| 1193 | if (vw.clipcount <0 || vw.clipcount>256) |
| 1194 | return -EDOM; /* Too many! */ |
| 1195 | |
| 1196 | /* |
| 1197 | * Do any clips. |
| 1198 | */ |
| 1199 | vcp = vmalloc(sizeof(struct video_clip)*(vw.clipcount+4)); |
| 1200 | if (vcp==NULL) |
| 1201 | return -ENOMEM; |
| 1202 | if (vw.clipcount && copy_from_user(vcp,vw.clips,sizeof(struct video_clip)*vw.clipcount)) { |
| 1203 | vfree(vcp); |
| 1204 | return -EFAULT; |
| 1205 | } |
| 1206 | |
| 1207 | on = ztv->running; |
| 1208 | if (on) |
| 1209 | zoran_cap(ztv, 0); |
| 1210 | |
| 1211 | /* |
| 1212 | * strange, it seems xawtv sometimes calls us with 0 |
| 1213 | * width and/or height. Ignore these values |
| 1214 | */ |
| 1215 | if (vw.x == 0) |
| 1216 | vw.x = ztv->overinfo.x; |
| 1217 | if (vw.y == 0) |
| 1218 | vw.y = ztv->overinfo.y; |
| 1219 | |
| 1220 | /* by now we are committed to the new data... */ |
| 1221 | write_lock_irq(&ztv->lock); |
| 1222 | ztv->overinfo.x = vw.x; |
| 1223 | ztv->overinfo.y = vw.y; |
| 1224 | ztv->overinfo.w = vw.width; |
| 1225 | ztv->overinfo.h = vw.height; |
| 1226 | write_unlock_irq(&ztv->lock); |
| 1227 | |
| 1228 | /* |
| 1229 | * Impose display clips |
| 1230 | */ |
| 1231 | if (vw.x+vw.width > ztv->swidth) |
| 1232 | new_clip(&vw, vcp, ztv->swidth-vw.x, 0, vw.width-1, vw.height-1); |
| 1233 | if (vw.y+vw.height > ztv->sheight) |
| 1234 | new_clip(&vw, vcp, 0, ztv->sheight-vw.y, vw.width-1, vw.height-1); |
| 1235 | |
| 1236 | /* built the requested clipping zones */ |
| 1237 | zoran_set_geo(ztv, &ztv->overinfo); |
| 1238 | zoran_built_overlay(ztv, vw.clipcount, vcp); |
| 1239 | vfree(vcp); |
| 1240 | |
| 1241 | /* if we were on, restart the video engine */ |
| 1242 | if (on) |
| 1243 | zoran_cap(ztv, 1); |
| 1244 | break; |
| 1245 | } |
| 1246 | |
| 1247 | case VIDIOCCAPTURE: |
| 1248 | { |
| 1249 | int v; |
| 1250 | if (get_user(v, (int *)arg)) |
| 1251 | return -EFAULT; |
| 1252 | DEBUG(printk(CARD_DEBUG "VIDIOCCAPTURE(%d)\n",CARD,v)); |
| 1253 | |
| 1254 | if (v==0) { |
| 1255 | clear_bit(STATE_OVERLAY, &ztv->state); |
| 1256 | zoran_cap(ztv, 1); |
| 1257 | } |
| 1258 | else { |
| 1259 | /* is VIDIOCSFBUF, VIDIOCSWIN done? */ |
| 1260 | if (ztv->overinfo.busadr==0 || ztv->overinfo.w==0 || ztv->overinfo.h==0) |
| 1261 | return -EINVAL; |
| 1262 | |
| 1263 | set_bit(STATE_OVERLAY, &ztv->state); |
| 1264 | zoran_cap(ztv, 1); |
| 1265 | } |
| 1266 | break; |
| 1267 | } |
| 1268 | |
| 1269 | case VIDIOCGFBUF: |
| 1270 | { |
| 1271 | struct video_buffer v; |
| 1272 | DEBUG(printk(CARD_DEBUG "VIDIOCGFBUF\n",CARD)); |
| 1273 | read_lock(&ztv->lock); |
| 1274 | v.base = (void *)ztv->overinfo.busadr; |
| 1275 | v.height = ztv->sheight; |
| 1276 | v.width = ztv->swidth; |
| 1277 | v.depth = ztv->depth; |
| 1278 | v.bytesperline = ztv->overinfo.bpl; |
| 1279 | read_unlock(&ztv->lock); |
| 1280 | if(copy_to_user(arg, &v,sizeof(v))) |
| 1281 | return -EFAULT; |
| 1282 | break; |
| 1283 | } |
| 1284 | case VIDIOCSFBUF: |
| 1285 | { |
| 1286 | struct video_buffer v; |
| 1287 | if(!capable(CAP_SYS_ADMIN)) |
| 1288 | return -EPERM; |
Alan Cox | 13f1371 | 2006-09-14 11:53:09 -0300 | [diff] [blame] | 1289 | if (pcipci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) |
| 1290 | return -ENXIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | if (copy_from_user(&v, arg,sizeof(v))) |
| 1292 | return -EFAULT; |
| 1293 | DEBUG(printk(CARD_DEBUG "VIDIOCSFBUF(%p,%d,%d,%d,%d)\n",CARD,v.base, v.width,v.height,v.depth,v.bytesperline)); |
| 1294 | |
| 1295 | if (v.depth!=15 && v.depth!=16 && v.depth!=24 && v.depth!=32) |
| 1296 | return -EINVAL; |
| 1297 | if (v.bytesperline<1) |
| 1298 | return -EINVAL; |
| 1299 | if (ztv->running) |
| 1300 | return -EBUSY; |
| 1301 | write_lock_irq(&ztv->lock); |
| 1302 | ztv->overinfo.busadr = (ulong)v.base; |
| 1303 | ztv->sheight = v.height; |
| 1304 | ztv->swidth = v.width; |
| 1305 | ztv->depth = v.depth; /* bits per pixel */ |
| 1306 | ztv->overinfo.bpp = ((v.depth+1)&0x38)/8;/* bytes per pixel */ |
| 1307 | ztv->overinfo.bpl = v.bytesperline; /* bytes per line */ |
| 1308 | write_unlock_irq(&ztv->lock); |
| 1309 | break; |
| 1310 | } |
| 1311 | |
| 1312 | case VIDIOCKEY: |
| 1313 | { |
| 1314 | /* Will be handled higher up .. */ |
| 1315 | break; |
| 1316 | } |
| 1317 | |
| 1318 | case VIDIOCSYNC: |
| 1319 | { |
| 1320 | int i; |
| 1321 | if (get_user(i, (int *) arg)) |
| 1322 | return -EFAULT; |
| 1323 | DEBUG(printk(CARD_DEBUG "VIDEOCSYNC(%d)\n",CARD,i)); |
| 1324 | if (i<0 || i>ZORAN_MAX_FBUFFERS) |
| 1325 | return -EINVAL; |
| 1326 | switch (ztv->grabinfo[i].status) { |
| 1327 | case FBUFFER_FREE: |
| 1328 | return -EINVAL; |
| 1329 | case FBUFFER_BUSY: |
| 1330 | /* wait till this buffer gets grabbed */ |
| 1331 | wait_event_interruptible(ztv->grabq, |
| 1332 | (ztv->grabinfo[i].status != FBUFFER_BUSY)); |
| 1333 | /* see if a signal did it */ |
| 1334 | if (signal_pending(current)) |
| 1335 | return -EINTR; |
| 1336 | /* don't fall through; a DONE buffer is not UNUSED */ |
| 1337 | break; |
| 1338 | case FBUFFER_DONE: |
| 1339 | ztv->grabinfo[i].status = FBUFFER_FREE; |
| 1340 | /* tell ppl we have a spare buffer */ |
| 1341 | wake_up_interruptible(&ztv->grabq); |
| 1342 | break; |
| 1343 | } |
| 1344 | DEBUG(printk(CARD_DEBUG "VIDEOCSYNC(%d) returns\n",CARD,i)); |
| 1345 | break; |
| 1346 | } |
| 1347 | |
| 1348 | case VIDIOCMCAPTURE: |
| 1349 | { |
| 1350 | struct video_mmap vm; |
| 1351 | struct vidinfo* frame; |
| 1352 | if (copy_from_user(&vm,arg,sizeof(vm))) |
| 1353 | return -EFAULT; |
| 1354 | DEBUG(printk(CARD_DEBUG "VIDIOCMCAPTURE(%d,(%d,%d),%d)\n",CARD,vm.frame,vm.width,vm.height,vm.format)); |
| 1355 | if (vm.frame<0 || vm.frame>ZORAN_MAX_FBUFFERS || |
| 1356 | vm.width<32 || vm.width>768 || |
| 1357 | vm.height<32 || vm.height>576 || |
| 1358 | vm.format>NRPALETTES || |
| 1359 | palette2fmt[vm.format].mode == 0) |
| 1360 | return -EINVAL; |
| 1361 | |
| 1362 | /* we are allowed to take over UNUSED and DONE buffers */ |
| 1363 | frame = &ztv->grabinfo[vm.frame]; |
| 1364 | if (frame->status == FBUFFER_BUSY) |
| 1365 | return -EBUSY; |
| 1366 | |
| 1367 | /* setup the other parameters if they are given */ |
| 1368 | write_lock_irq(&ztv->lock); |
| 1369 | frame->w = vm.width; |
| 1370 | frame->h = vm.height; |
| 1371 | frame->format = vm.format; |
| 1372 | frame->bpp = palette2fmt[frame->format].bpp; |
| 1373 | frame->bpl = frame->w*frame->bpp; |
| 1374 | frame->status = FBUFFER_BUSY; |
| 1375 | frame->next = 0; |
| 1376 | { /* add to tail of queue */ |
| 1377 | struct vidinfo* oldframe = ztv->workqueue; |
| 1378 | if (!oldframe) ztv->workqueue = frame; |
| 1379 | else { |
| 1380 | while (oldframe->next) oldframe = oldframe->next; |
| 1381 | oldframe->next = frame; |
| 1382 | } |
| 1383 | } |
| 1384 | write_unlock_irq(&ztv->lock); |
| 1385 | zoran_cap(ztv, 1); |
| 1386 | break; |
| 1387 | } |
| 1388 | |
| 1389 | case VIDIOCGMBUF: |
| 1390 | { |
| 1391 | struct video_mbuf mb; |
| 1392 | int i; |
| 1393 | DEBUG(printk(CARD_DEBUG "VIDIOCGMBUF\n",CARD)); |
| 1394 | mb.size = ZORAN_MAX_FBUFSIZE; |
| 1395 | mb.frames = ZORAN_MAX_FBUFFERS; |
| 1396 | for (i=0; i<ZORAN_MAX_FBUFFERS; i++) |
| 1397 | mb.offsets[i] = i*ZORAN_MAX_FBUFFER; |
| 1398 | if(copy_to_user(arg, &mb,sizeof(mb))) |
| 1399 | return -EFAULT; |
| 1400 | break; |
| 1401 | } |
| 1402 | |
| 1403 | case VIDIOCGUNIT: |
| 1404 | { |
| 1405 | struct video_unit vu; |
| 1406 | DEBUG(printk(CARD_DEBUG "VIDIOCGUNIT\n",CARD)); |
| 1407 | vu.video = ztv->video_dev.minor; |
| 1408 | vu.vbi = ztv->vbi_dev.minor; |
| 1409 | vu.radio = VIDEO_NO_UNIT; |
| 1410 | vu.audio = VIDEO_NO_UNIT; |
| 1411 | vu.teletext = VIDEO_NO_UNIT; |
| 1412 | if(copy_to_user(arg, &vu,sizeof(vu))) |
| 1413 | return -EFAULT; |
| 1414 | break; |
| 1415 | } |
| 1416 | |
| 1417 | case VIDIOCGFREQ: |
| 1418 | { |
| 1419 | unsigned long v = ztv->tuner_freq; |
| 1420 | if (copy_to_user(arg,&v,sizeof(v))) |
| 1421 | return -EFAULT; |
| 1422 | DEBUG(printk(CARD_DEBUG "VIDIOCGFREQ\n",CARD)); |
| 1423 | break; |
| 1424 | } |
| 1425 | case VIDIOCSFREQ: |
| 1426 | { |
| 1427 | unsigned long v; |
| 1428 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1429 | return -EFAULT; |
| 1430 | DEBUG(printk(CARD_DEBUG "VIDIOCSFREQ\n",CARD)); |
| 1431 | |
| 1432 | if (ztv->have_tuner) { |
| 1433 | int fixme = v; |
| 1434 | if (i2c_control_device(&(ztv->i2c), I2C_DRIVERID_TUNER, TUNER_SET_TVFREQ, &fixme) < 0) |
| 1435 | return -EAGAIN; |
| 1436 | } |
| 1437 | ztv->tuner_freq = v; |
| 1438 | break; |
| 1439 | } |
| 1440 | |
| 1441 | /* Why isn't this in the API? |
| 1442 | * And why doesn't it take a buffer number? |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1443 | case BTTV_FIELDNR: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | { |
| 1445 | unsigned long v = ztv->lastfieldnr; |
| 1446 | if (copy_to_user(arg,&v,sizeof(v))) |
| 1447 | return -EFAULT; |
| 1448 | DEBUG(printk(CARD_DEBUG "BTTV_FIELDNR\n",CARD)); |
| 1449 | break; |
| 1450 | } |
| 1451 | */ |
| 1452 | |
| 1453 | default: |
| 1454 | return -ENOIOCTLCMD; |
| 1455 | } |
| 1456 | return 0; |
| 1457 | } |
| 1458 | |
| 1459 | static |
| 1460 | int zoran_mmap(struct vm_area_struct *vma, struct video_device* dev, const char* adr, unsigned long size) |
| 1461 | { |
| 1462 | struct zoran* ztv = (struct zoran*)dev; |
| 1463 | unsigned long start = (unsigned long)adr; |
| 1464 | unsigned long pos; |
| 1465 | |
| 1466 | DEBUG(printk(CARD_DEBUG "zoran_mmap(0x%p,%ld)\n",CARD,adr,size)); |
| 1467 | |
| 1468 | /* sanity checks */ |
| 1469 | if (size > ZORAN_MAX_FBUFSIZE || !ztv->fbuffer) |
| 1470 | return -EINVAL; |
| 1471 | |
| 1472 | /* start mapping the whole shabang to user memory */ |
| 1473 | pos = (unsigned long)ztv->fbuffer; |
| 1474 | while (size>0) { |
| 1475 | unsigned long pfn = virt_to_phys((void*)pos) >> PAGE_SHIFT; |
| 1476 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, PAGE_SHARED)) |
| 1477 | return -EAGAIN; |
| 1478 | start += PAGE_SIZE; |
| 1479 | pos += PAGE_SIZE; |
| 1480 | size -= PAGE_SIZE; |
| 1481 | } |
| 1482 | return 0; |
| 1483 | } |
| 1484 | |
| 1485 | static struct video_device zr36120_template= |
| 1486 | { |
| 1487 | .owner = THIS_MODULE, |
| 1488 | .name = "UNSET", |
| 1489 | .type = VID_TYPE_TUNER|VID_TYPE_CAPTURE|VID_TYPE_OVERLAY, |
| 1490 | .hardware = VID_HARDWARE_ZR36120, |
| 1491 | .open = zoran_open, |
| 1492 | .close = zoran_close, |
| 1493 | .read = zoran_read, |
| 1494 | .write = zoran_write, |
| 1495 | .poll = zoran_poll, |
| 1496 | .ioctl = zoran_ioctl, |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1497 | .compat_ioctl = v4l_compat_ioctl32, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1498 | .mmap = zoran_mmap, |
| 1499 | .minor = -1, |
| 1500 | }; |
| 1501 | |
| 1502 | static |
| 1503 | int vbi_open(struct video_device *dev, int flags) |
| 1504 | { |
| 1505 | struct zoran *ztv = dev->priv; |
| 1506 | struct vidinfo* item; |
| 1507 | |
| 1508 | DEBUG(printk(CARD_DEBUG "vbi_open(dev,%d)\n",CARD,flags)); |
| 1509 | |
| 1510 | /* |
| 1511 | * During VBI device open, we continiously grab VBI-like |
| 1512 | * data in the vbi buffer when we have nothing to do. |
| 1513 | * Only when there is an explicit request for VBI data |
| 1514 | * (read call) we /force/ a read. |
| 1515 | */ |
| 1516 | |
| 1517 | /* allocate buffers */ |
| 1518 | for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| 1519 | { |
| 1520 | item->status = FBUFFER_FREE; |
| 1521 | |
| 1522 | /* alloc */ |
| 1523 | if (!item->memadr) { |
| 1524 | item->memadr = bmalloc(ZORAN_VBI_BUFSIZE); |
| 1525 | if (!item->memadr) { |
| 1526 | /* could not get a buffer, bail out */ |
| 1527 | while (item != ztv->readinfo) { |
| 1528 | item--; |
| 1529 | bfree(item->memadr, ZORAN_VBI_BUFSIZE); |
| 1530 | item->memadr = 0; |
| 1531 | item->busadr = 0; |
| 1532 | } |
| 1533 | return -ENOBUFS; |
| 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | /* determine the DMAable address */ |
| 1538 | item->busadr = virt_to_bus(item->memadr); |
| 1539 | } |
| 1540 | |
| 1541 | /* do the common part of all open's */ |
| 1542 | zoran_common_open(ztv, flags); |
| 1543 | |
| 1544 | set_bit(STATE_VBI, &ztv->state); |
| 1545 | /* start read-ahead */ |
| 1546 | zoran_cap(ztv, 1); |
| 1547 | |
| 1548 | return 0; |
| 1549 | } |
| 1550 | |
| 1551 | static |
| 1552 | void vbi_close(struct video_device *dev) |
| 1553 | { |
| 1554 | struct zoran *ztv = dev->priv; |
| 1555 | struct vidinfo* item; |
| 1556 | |
| 1557 | DEBUG(printk(CARD_DEBUG "vbi_close(dev)\n",CARD)); |
| 1558 | |
| 1559 | /* driver specific closure */ |
| 1560 | clear_bit(STATE_VBI, &ztv->state); |
| 1561 | |
| 1562 | zoran_common_close(ztv); |
| 1563 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1564 | /* |
| 1565 | * This is sucky but right now I can't find a good way to |
| 1566 | * be sure its safe to free the buffer. We wait 5-6 fields |
| 1567 | * which is more than sufficient to be sure. |
| 1568 | */ |
| 1569 | msleep(100); /* Wait 1/10th of a second */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1570 | |
| 1571 | for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| 1572 | { |
| 1573 | if (item->memadr) |
| 1574 | bfree(item->memadr, ZORAN_VBI_BUFSIZE); |
| 1575 | item->memadr = 0; |
| 1576 | } |
| 1577 | |
| 1578 | } |
| 1579 | |
| 1580 | /* |
| 1581 | * This read function could be used reentrant in a SMP situation. |
| 1582 | * |
| 1583 | * This is made possible by the spinlock which is kept till we |
| 1584 | * found and marked a buffer for our own use. The lock must |
| 1585 | * be released as soon as possible to prevent lock contention. |
| 1586 | */ |
| 1587 | static |
| 1588 | long vbi_read(struct video_device* dev, char* buf, unsigned long count, int nonblock) |
| 1589 | { |
| 1590 | struct zoran *ztv = dev->priv; |
| 1591 | unsigned long max; |
| 1592 | struct vidinfo* unused = 0; |
| 1593 | struct vidinfo* done = 0; |
| 1594 | |
| 1595 | DEBUG(printk(CARD_DEBUG "vbi_read(0x%p,%ld,%d)\n",CARD,buf,count,nonblock)); |
| 1596 | |
| 1597 | /* find ourself a free or completed buffer */ |
| 1598 | for (;;) { |
| 1599 | struct vidinfo* item; |
| 1600 | |
| 1601 | write_lock_irq(&ztv->lock); |
| 1602 | for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) { |
| 1603 | if (!unused && item->status == FBUFFER_FREE) |
| 1604 | unused = item; |
| 1605 | if (!done && item->status == FBUFFER_DONE) |
| 1606 | done = item; |
| 1607 | } |
| 1608 | if (done || unused) |
| 1609 | break; |
| 1610 | |
| 1611 | /* no more free buffers, wait for them. */ |
| 1612 | write_unlock_irq(&ztv->lock); |
| 1613 | if (nonblock) |
| 1614 | return -EWOULDBLOCK; |
| 1615 | interruptible_sleep_on(&ztv->vbiq); |
| 1616 | if (signal_pending(current)) |
| 1617 | return -EINTR; |
| 1618 | } |
| 1619 | |
| 1620 | /* Do we have 'ready' data? */ |
| 1621 | if (!done) { |
| 1622 | /* no? than this will take a while... */ |
| 1623 | if (nonblock) { |
| 1624 | write_unlock_irq(&ztv->lock); |
| 1625 | return -EWOULDBLOCK; |
| 1626 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1627 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | /* mark the unused buffer as wanted */ |
| 1629 | unused->status = FBUFFER_BUSY; |
| 1630 | unused->next = 0; |
| 1631 | { /* add to tail of queue */ |
| 1632 | struct vidinfo* oldframe = ztv->workqueue; |
| 1633 | if (!oldframe) ztv->workqueue = unused; |
| 1634 | else { |
| 1635 | while (oldframe->next) oldframe = oldframe->next; |
| 1636 | oldframe->next = unused; |
| 1637 | } |
| 1638 | } |
| 1639 | write_unlock_irq(&ztv->lock); |
| 1640 | |
| 1641 | /* tell the state machine we want it filled /NOW/ */ |
| 1642 | zoran_cap(ztv, 1); |
| 1643 | |
| 1644 | /* wait till this buffer gets grabbed */ |
| 1645 | wait_event_interruptible(ztv->vbiq, |
| 1646 | (unused->status != FBUFFER_BUSY)); |
| 1647 | /* see if a signal did it */ |
| 1648 | if (signal_pending(current)) |
| 1649 | return -EINTR; |
| 1650 | done = unused; |
| 1651 | } |
| 1652 | else |
| 1653 | write_unlock_irq(&ztv->lock); |
| 1654 | |
| 1655 | /* Yes! we got data! */ |
| 1656 | max = done->bpl * -done->h; |
| 1657 | if (count > max) |
| 1658 | count = max; |
| 1659 | |
| 1660 | /* check if the user gave us enough room to write the data */ |
| 1661 | if (!access_ok(VERIFY_WRITE, buf, count)) { |
| 1662 | count = -EFAULT; |
| 1663 | goto out; |
| 1664 | } |
| 1665 | |
| 1666 | /* |
| 1667 | * Now transform/strip the data from YUV to Y-only |
| 1668 | * NB. Assume the Y is in the LSB of the YUV data. |
| 1669 | */ |
| 1670 | { |
| 1671 | unsigned char* optr = buf; |
| 1672 | unsigned char* eptr = buf+count; |
| 1673 | |
| 1674 | /* are we beeing accessed from an old driver? */ |
| 1675 | if (count == 2*19*2048) { |
| 1676 | /* |
| 1677 | * Extreme HACK, old VBI programs expect 2048 points |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1678 | * of data, and we only got 864 orso. Double each |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1679 | * datapoint and clear the rest of the line. |
| 1680 | * This way we have appear to have a |
| 1681 | * sample_frequency of 29.5 Mc. |
| 1682 | */ |
| 1683 | int x,y; |
| 1684 | unsigned char* iptr = done->memadr+1; |
| 1685 | for (y=done->h; optr<eptr && y<0; y++) |
| 1686 | { |
| 1687 | /* copy to doubled data to userland */ |
| 1688 | for (x=0; optr+1<eptr && x<-done->w; x++) |
| 1689 | { |
| 1690 | unsigned char a = iptr[x*2]; |
| 1691 | __put_user(a, optr++); |
| 1692 | __put_user(a, optr++); |
| 1693 | } |
| 1694 | /* and clear the rest of the line */ |
| 1695 | for (x*=2; optr<eptr && x<done->bpl; x++) |
| 1696 | __put_user(0, optr++); |
| 1697 | /* next line */ |
| 1698 | iptr += done->bpl; |
| 1699 | } |
| 1700 | } |
| 1701 | else { |
| 1702 | /* |
| 1703 | * Other (probably newer) programs asked |
| 1704 | * us what geometry we are using, and are |
| 1705 | * reading the correct size. |
| 1706 | */ |
| 1707 | int x,y; |
| 1708 | unsigned char* iptr = done->memadr+1; |
| 1709 | for (y=done->h; optr<eptr && y<0; y++) |
| 1710 | { |
| 1711 | /* copy to doubled data to userland */ |
| 1712 | for (x=0; optr<eptr && x<-done->w; x++) |
| 1713 | __put_user(iptr[x*2], optr++); |
| 1714 | /* and clear the rest of the line */ |
| 1715 | for (;optr<eptr && x<done->bpl; x++) |
| 1716 | __put_user(0, optr++); |
| 1717 | /* next line */ |
| 1718 | iptr += done->bpl; |
| 1719 | } |
| 1720 | } |
| 1721 | |
| 1722 | /* API compliance: |
| 1723 | * place the framenumber (half fieldnr) in the last long |
| 1724 | */ |
| 1725 | __put_user(done->fieldnr/2, ((ulong*)eptr)[-1]); |
| 1726 | } |
| 1727 | |
| 1728 | /* keep the engine running */ |
| 1729 | done->status = FBUFFER_FREE; |
| 1730 | zoran_cap(ztv, 1); |
| 1731 | |
| 1732 | /* tell listeners this buffer just became free */ |
| 1733 | wake_up_interruptible(&ztv->vbiq); |
| 1734 | |
| 1735 | /* goodbye */ |
| 1736 | out: |
| 1737 | DEBUG(printk(CARD_DEBUG "vbi_read() returns %lu\n",CARD,count)); |
| 1738 | return count; |
| 1739 | } |
| 1740 | |
| 1741 | static |
| 1742 | unsigned int vbi_poll(struct video_device *dev, struct file *file, poll_table *wait) |
| 1743 | { |
| 1744 | struct zoran *ztv = dev->priv; |
| 1745 | struct vidinfo* item; |
| 1746 | unsigned int mask = 0; |
| 1747 | |
| 1748 | poll_wait(file, &ztv->vbiq, wait); |
| 1749 | |
| 1750 | for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| 1751 | if (item->status == FBUFFER_DONE) |
| 1752 | { |
| 1753 | mask |= (POLLIN | POLLRDNORM); |
| 1754 | break; |
| 1755 | } |
| 1756 | |
| 1757 | DEBUG(printk(CARD_DEBUG "vbi_poll()=%x\n",CARD,mask)); |
| 1758 | |
| 1759 | return mask; |
| 1760 | } |
| 1761 | |
| 1762 | static |
| 1763 | int vbi_ioctl(struct video_device *dev, unsigned int cmd, void *arg) |
| 1764 | { |
| 1765 | struct zoran* ztv = dev->priv; |
| 1766 | |
| 1767 | switch (cmd) { |
| 1768 | case VIDIOCGVBIFMT: |
| 1769 | { |
| 1770 | struct vbi_format f; |
| 1771 | DEBUG(printk(CARD_DEBUG "VIDIOCGVBIINFO\n",CARD)); |
| 1772 | f.sampling_rate = 14750000UL; |
| 1773 | f.samples_per_line = -ztv->readinfo[0].w; |
| 1774 | f.sample_format = VIDEO_PALETTE_RAW; |
| 1775 | f.start[0] = f.start[1] = ztv->readinfo[0].y; |
| 1776 | f.start[1] += 312; |
| 1777 | f.count[0] = f.count[1] = -ztv->readinfo[0].h; |
| 1778 | f.flags = VBI_INTERLACED; |
| 1779 | if (copy_to_user(arg,&f,sizeof(f))) |
| 1780 | return -EFAULT; |
| 1781 | break; |
| 1782 | } |
| 1783 | case VIDIOCSVBIFMT: |
| 1784 | { |
| 1785 | struct vbi_format f; |
| 1786 | int i; |
| 1787 | if (copy_from_user(&f, arg,sizeof(f))) |
| 1788 | return -EFAULT; |
| 1789 | DEBUG(printk(CARD_DEBUG "VIDIOCSVBIINFO(%d,%d,%d,%d,%d,%d,%d,%x)\n",CARD,f.sampling_rate,f.samples_per_line,f.sample_format,f.start[0],f.start[1],f.count[0],f.count[1],f.flags)); |
| 1790 | |
| 1791 | /* lots of parameters are fixed... (PAL) */ |
| 1792 | if (f.sampling_rate != 14750000UL || |
| 1793 | f.samples_per_line > 864 || |
| 1794 | f.sample_format != VIDEO_PALETTE_RAW || |
| 1795 | f.start[0] < 0 || |
| 1796 | f.start[0] != f.start[1]-312 || |
| 1797 | f.count[0] != f.count[1] || |
| 1798 | f.start[0]+f.count[0] >= 288 || |
| 1799 | f.flags != VBI_INTERLACED) |
| 1800 | return -EINVAL; |
| 1801 | |
| 1802 | write_lock_irq(&ztv->lock); |
| 1803 | ztv->readinfo[0].y = f.start[0]; |
| 1804 | ztv->readinfo[0].w = -f.samples_per_line; |
| 1805 | ztv->readinfo[0].h = -f.count[0]; |
| 1806 | ztv->readinfo[0].bpl = f.samples_per_line*ztv->readinfo[0].bpp; |
| 1807 | for (i=1; i<ZORAN_VBI_BUFFERS; i++) |
| 1808 | ztv->readinfo[i] = ztv->readinfo[i]; |
| 1809 | write_unlock_irq(&ztv->lock); |
| 1810 | break; |
| 1811 | } |
| 1812 | default: |
| 1813 | return -ENOIOCTLCMD; |
| 1814 | } |
| 1815 | return 0; |
| 1816 | } |
| 1817 | |
| 1818 | static struct video_device vbi_template= |
| 1819 | { |
| 1820 | .owner = THIS_MODULE, |
| 1821 | .name = "UNSET", |
| 1822 | .type = VID_TYPE_CAPTURE|VID_TYPE_TELETEXT, |
| 1823 | .hardware = VID_HARDWARE_ZR36120, |
| 1824 | .open = vbi_open, |
| 1825 | .close = vbi_close, |
| 1826 | .read = vbi_read, |
| 1827 | .write = zoran_write, |
| 1828 | .poll = vbi_poll, |
| 1829 | .ioctl = vbi_ioctl, |
| 1830 | .minor = -1, |
| 1831 | }; |
| 1832 | |
| 1833 | /* |
| 1834 | * Scan for a Zoran chip, request the irq and map the io memory |
| 1835 | */ |
| 1836 | static |
| 1837 | int __init find_zoran(void) |
| 1838 | { |
| 1839 | int result; |
| 1840 | struct zoran *ztv; |
| 1841 | struct pci_dev *dev = NULL; |
| 1842 | unsigned char revision; |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1843 | int zoran_num = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1844 | |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1845 | while ((dev = pci_get_device(PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, dev))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1846 | { |
| 1847 | /* Ok, a ZR36120/ZR36125 found! */ |
| 1848 | ztv = &zorans[zoran_num]; |
| 1849 | ztv->dev = dev; |
| 1850 | |
| 1851 | if (pci_enable_device(dev)) |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1852 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | |
| 1854 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &revision); |
| 1855 | printk(KERN_INFO "zoran: Zoran %x (rev %d) ", |
| 1856 | dev->device, revision); |
| 1857 | printk("bus: %d, devfn: %d, irq: %d, ", |
| 1858 | dev->bus->number, dev->devfn, dev->irq); |
| 1859 | printk("memory: 0x%08lx.\n", ztv->zoran_adr); |
| 1860 | |
| 1861 | ztv->zoran_mem = ioremap(ztv->zoran_adr, 0x1000); |
| 1862 | DEBUG(printk(KERN_DEBUG "zoran: mapped-memory at 0x%p\n",ztv->zoran_mem)); |
| 1863 | |
| 1864 | result = request_irq(dev->irq, zoran_irq, |
Thomas Gleixner | 8076fe3 | 2006-07-01 19:29:37 -0700 | [diff] [blame] | 1865 | IRQF_SHARED|IRQF_DISABLED,"zoran", ztv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1866 | if (result==-EINVAL) |
| 1867 | { |
| 1868 | iounmap(ztv->zoran_mem); |
| 1869 | printk(KERN_ERR "zoran: Bad irq number or handler\n"); |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1870 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1871 | } |
| 1872 | if (result==-EBUSY) |
| 1873 | printk(KERN_ERR "zoran: IRQ %d busy, change your PnP config in BIOS\n",dev->irq); |
| 1874 | if (result < 0) { |
| 1875 | iounmap(ztv->zoran_mem); |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1876 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1877 | } |
| 1878 | /* Enable bus-mastering */ |
| 1879 | pci_set_master(dev); |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 1880 | /* Keep a reference */ |
| 1881 | pci_dev_get(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1882 | zoran_num++; |
| 1883 | } |
| 1884 | if(zoran_num) |
| 1885 | printk(KERN_INFO "zoran: %d Zoran card(s) found.\n",zoran_num); |
| 1886 | return zoran_num; |
| 1887 | } |
| 1888 | |
| 1889 | static |
| 1890 | int __init init_zoran(int card) |
| 1891 | { |
| 1892 | struct zoran *ztv = &zorans[card]; |
| 1893 | int i; |
| 1894 | |
| 1895 | /* if the given cardtype valid? */ |
| 1896 | if (cardtype[card]>=NRTVCARDS) { |
| 1897 | printk(KERN_INFO "invalid cardtype(%d) detected\n",cardtype[card]); |
| 1898 | return -1; |
| 1899 | } |
| 1900 | |
| 1901 | /* reset the zoran */ |
| 1902 | zrand(~ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| 1903 | udelay(10); |
| 1904 | zror(ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| 1905 | udelay(10); |
| 1906 | |
| 1907 | /* zoran chip specific details */ |
| 1908 | ztv->card = tvcards+cardtype[card]; /* point to the selected card */ |
| 1909 | ztv->norm = 0; /* PAL */ |
| 1910 | ztv->tuner_freq = 0; |
| 1911 | |
| 1912 | /* videocard details */ |
| 1913 | ztv->swidth = 800; |
| 1914 | ztv->sheight = 600; |
| 1915 | ztv->depth = 16; |
| 1916 | |
| 1917 | /* State details */ |
| 1918 | ztv->fbuffer = 0; |
| 1919 | ztv->overinfo.kindof = FBUFFER_OVERLAY; |
| 1920 | ztv->overinfo.status = FBUFFER_FREE; |
| 1921 | ztv->overinfo.x = 0; |
| 1922 | ztv->overinfo.y = 0; |
| 1923 | ztv->overinfo.w = 768; /* 640 */ |
| 1924 | ztv->overinfo.h = 576; /* 480 */ |
| 1925 | ztv->overinfo.format = VIDEO_PALETTE_RGB565; |
| 1926 | ztv->overinfo.bpp = palette2fmt[ztv->overinfo.format].bpp; |
| 1927 | ztv->overinfo.bpl = ztv->overinfo.bpp*ztv->swidth; |
| 1928 | ztv->overinfo.busadr = 0; |
| 1929 | ztv->overinfo.memadr = 0; |
| 1930 | ztv->overinfo.overlay = 0; |
| 1931 | for (i=0; i<ZORAN_MAX_FBUFFERS; i++) { |
| 1932 | ztv->grabinfo[i] = ztv->overinfo; |
| 1933 | ztv->grabinfo[i].kindof = FBUFFER_GRAB; |
| 1934 | } |
| 1935 | init_waitqueue_head(&ztv->grabq); |
| 1936 | |
| 1937 | /* VBI details */ |
| 1938 | ztv->readinfo[0] = ztv->overinfo; |
| 1939 | ztv->readinfo[0].kindof = FBUFFER_VBI; |
| 1940 | ztv->readinfo[0].w = -864; |
| 1941 | ztv->readinfo[0].h = -38; |
| 1942 | ztv->readinfo[0].format = VIDEO_PALETTE_YUV422; |
| 1943 | ztv->readinfo[0].bpp = palette2fmt[ztv->readinfo[0].format].bpp; |
| 1944 | ztv->readinfo[0].bpl = 1024*ztv->readinfo[0].bpp; |
| 1945 | for (i=1; i<ZORAN_VBI_BUFFERS; i++) |
| 1946 | ztv->readinfo[i] = ztv->readinfo[0]; |
| 1947 | init_waitqueue_head(&ztv->vbiq); |
| 1948 | |
| 1949 | /* maintenance data */ |
| 1950 | ztv->have_decoder = 0; |
| 1951 | ztv->have_tuner = 0; |
| 1952 | ztv->tuner_type = 0; |
| 1953 | ztv->running = 0; |
| 1954 | ztv->users = 0; |
| 1955 | rwlock_init(&ztv->lock); |
| 1956 | ztv->workqueue = 0; |
| 1957 | ztv->fieldnr = 0; |
| 1958 | ztv->lastfieldnr = 0; |
| 1959 | |
| 1960 | if (triton1) |
| 1961 | zrand(~ZORAN_VDC_TRICOM, ZORAN_VDC); |
| 1962 | |
| 1963 | /* external FL determines TOP frame */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1964 | zror(ZORAN_VFEC_EXTFL, ZORAN_VFEC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1965 | |
| 1966 | /* set HSpol */ |
| 1967 | if (ztv->card->hsync_pos) |
| 1968 | zrwrite(ZORAN_VFEH_HSPOL, ZORAN_VFEH); |
| 1969 | /* set VSpol */ |
| 1970 | if (ztv->card->vsync_pos) |
| 1971 | zrwrite(ZORAN_VFEV_VSPOL, ZORAN_VFEV); |
| 1972 | |
| 1973 | /* Set the proper General Purpuse register bits */ |
| 1974 | /* implicit: no softreset, 0 waitstates */ |
| 1975 | zrwrite(ZORAN_PCI_SOFTRESET|(ztv->card->gpdir<<0),ZORAN_PCI); |
| 1976 | /* implicit: 3 duration and recovery PCI clocks on guest 0-3 */ |
| 1977 | zrwrite(ztv->card->gpval<<24,ZORAN_GUEST); |
| 1978 | |
| 1979 | /* clear interrupt status */ |
| 1980 | zrwrite(~0, ZORAN_ISR); |
| 1981 | |
| 1982 | /* |
| 1983 | * i2c template |
| 1984 | */ |
| 1985 | ztv->i2c = zoran_i2c_bus_template; |
| 1986 | sprintf(ztv->i2c.name,"zoran-%d",card); |
| 1987 | ztv->i2c.data = ztv; |
| 1988 | |
| 1989 | /* |
| 1990 | * Now add the template and register the device unit |
| 1991 | */ |
| 1992 | ztv->video_dev = zr36120_template; |
| 1993 | strcpy(ztv->video_dev.name, ztv->i2c.name); |
| 1994 | ztv->video_dev.priv = ztv; |
| 1995 | if (video_register_device(&ztv->video_dev, VFL_TYPE_GRABBER, video_nr) < 0) |
| 1996 | return -1; |
| 1997 | |
| 1998 | ztv->vbi_dev = vbi_template; |
| 1999 | strcpy(ztv->vbi_dev.name, ztv->i2c.name); |
| 2000 | ztv->vbi_dev.priv = ztv; |
| 2001 | if (video_register_device(&ztv->vbi_dev, VFL_TYPE_VBI, vbi_nr) < 0) { |
| 2002 | video_unregister_device(&ztv->video_dev); |
| 2003 | return -1; |
| 2004 | } |
| 2005 | i2c_register_bus(&ztv->i2c); |
| 2006 | |
| 2007 | /* set interrupt mask - the PIN enable will be set later */ |
| 2008 | zrwrite(ZORAN_ICR_GIRQ0|ZORAN_ICR_GIRQ1|ZORAN_ICR_CODE, ZORAN_ICR); |
| 2009 | |
| 2010 | printk(KERN_INFO "%s: installed %s\n",ztv->i2c.name,ztv->card->name); |
| 2011 | return 0; |
| 2012 | } |
| 2013 | |
| 2014 | static |
| 2015 | void release_zoran(int max) |
| 2016 | { |
| 2017 | struct zoran *ztv; |
| 2018 | int i; |
| 2019 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2020 | for (i=0;i<max; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2021 | { |
| 2022 | ztv = &zorans[i]; |
| 2023 | |
| 2024 | /* turn off all capturing, DMA and IRQs */ |
| 2025 | /* reset the zoran */ |
| 2026 | zrand(~ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| 2027 | udelay(10); |
| 2028 | zror(ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| 2029 | udelay(10); |
| 2030 | |
| 2031 | /* first disable interrupts before unmapping the memory! */ |
| 2032 | zrwrite(0, ZORAN_ICR); |
| 2033 | zrwrite(0xffffffffUL,ZORAN_ISR); |
| 2034 | |
| 2035 | /* free it */ |
| 2036 | free_irq(ztv->dev->irq,ztv); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2037 | |
Alan Cox | 13f1371 | 2006-09-14 11:53:09 -0300 | [diff] [blame] | 2038 | /* unregister i2c_bus */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2039 | i2c_unregister_bus((&ztv->i2c)); |
| 2040 | |
| 2041 | /* unmap and free memory */ |
| 2042 | if (ztv->zoran_mem) |
| 2043 | iounmap(ztv->zoran_mem); |
| 2044 | |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 2045 | /* Drop PCI device */ |
| 2046 | pci_dev_put(ztv->dev); |
| 2047 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2048 | video_unregister_device(&ztv->video_dev); |
| 2049 | video_unregister_device(&ztv->vbi_dev); |
| 2050 | } |
| 2051 | } |
| 2052 | |
| 2053 | void __exit zr36120_exit(void) |
| 2054 | { |
| 2055 | release_zoran(zoran_cards); |
| 2056 | } |
| 2057 | |
| 2058 | int __init zr36120_init(void) |
| 2059 | { |
| 2060 | int card; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2061 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2062 | handle_chipset(); |
| 2063 | zoran_cards = find_zoran(); |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 2064 | if (zoran_cards <= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | return -EIO; |
| 2066 | |
| 2067 | /* initialize Zorans */ |
| 2068 | for (card=0; card<zoran_cards; card++) { |
Alan Cox | e491cbc | 2006-10-03 20:44:12 -0300 | [diff] [blame] | 2069 | if (init_zoran(card) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2070 | /* only release the zorans we have registered */ |
| 2071 | release_zoran(card); |
| 2072 | return -EIO; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2073 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2074 | } |
| 2075 | return 0; |
| 2076 | } |
| 2077 | |
| 2078 | module_init(zr36120_init); |
| 2079 | module_exit(zr36120_exit); |