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V4L/DVB (4631): Av7110: remove V4L2_CAP_VBI_CAPTURE flag
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / zoran_card.c
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1da177e4
LT		 1/*
2 * Zoran zr36057/zr36067 PCI controller driver, for the
3 * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
4 * Media Labs LML33/LML33R10.
5 *
6 * This part handles card-specific data and detection
d56410e0 7 *
1da177e4
LT		 8 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
9 *
10 * Currently maintained by:
11 * Ronald Bultje <rbultje@ronald.bitfreak.net>
12 * Laurent Pinchart <laurent.pinchart@skynet.be>
13 * Mailinglist <mjpeg-users@lists.sf.net>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29
fbe60daa
MS		 30#include <linux/delay.h>
31
1da177e4
LT		 32#include <linux/types.h>
33#include <linux/kernel.h>
34#include <linux/module.h>
35#include <linux/init.h>
36#include <linux/vmalloc.h>
37
38#include <linux/proc_fs.h>
39#include <linux/i2c.h>
40#include <linux/i2c-algo-bit.h>
41#include <linux/videodev.h>
5e87efa3 42#include <media/v4l2-common.h>
1da177e4
LT		 43#include <linux/spinlock.h>
44#include <linux/sem.h>
45#include <linux/kmod.h>
46#include <linux/wait.h>
47
48#include <linux/pci.h>
49#include <linux/interrupt.h>
50#include <linux/video_decoder.h>
51#include <linux/video_encoder.h>
384c3689 52#include <linux/mutex.h>
1da177e4
LT		 53
54#include <asm/io.h>
55
56#include "videocodec.h"
57#include "zoran.h"
58#include "zoran_card.h"
59#include "zoran_device.h"
60#include "zoran_procfs.h"
61
62#define I2C_NAME(x) (x)->name
63
64extern const struct zoran_format zoran_formats[];
65
66static int card[BUZ_MAX] = { -1, -1, -1, -1 };
67module_param_array(card, int, NULL, 0);
68MODULE_PARM_DESC(card, "The type of card");
69
70static int encoder[BUZ_MAX] = { -1, -1, -1, -1 };
71module_param_array(encoder, int, NULL, 0);
72MODULE_PARM_DESC(encoder, "i2c TV encoder");
73
74static int decoder[BUZ_MAX] = { -1, -1, -1, -1 };
75module_param_array(decoder, int, NULL, 0);
76MODULE_PARM_DESC(decoder, "i2c TV decoder");
77
78/*
79 The video mem address of the video card.
80 The driver has a little database for some videocards
81 to determine it from there. If your video card is not in there
82 you have either to give it to the driver as a parameter
83 or set in in a VIDIOCSFBUF ioctl
84 */
85
86static unsigned long vidmem = 0; /* Video memory base address */
87module_param(vidmem, ulong, 0);
88
89/*
90 Default input and video norm at startup of the driver.
91*/
92
93static int default_input = 0; /* 0=Composite, 1=S-Video */
94module_param(default_input, int, 0);
95MODULE_PARM_DESC(default_input,
96 "Default input (0=Composite, 1=S-Video, 2=Internal)");
97
fbe60daa
MS		 98static int default_mux = 1; /* 6 Eyes input selection */
99module_param(default_mux, int, 0);
100MODULE_PARM_DESC(default_mux,
101 "Default 6 Eyes mux setting (Input selection)");
102
1da177e4
LT		 103static int default_norm = 0; /* 0=PAL, 1=NTSC 2=SECAM */
104module_param(default_norm, int, 0);
105MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
106
107static int video_nr = -1; /* /dev/videoN, -1 for autodetect */
108module_param(video_nr, int, 0);
109MODULE_PARM_DESC(video_nr, "video device number");
110
111/*
112 Number and size of grab buffers for Video 4 Linux
113 The vast majority of applications should not need more than 2,
114 the very popular BTTV driver actually does ONLY have 2.
115 Time sensitive applications might need more, the maximum
116 is VIDEO_MAX_FRAME (defined in <linux/videodev.h>).
117
118 The size is set so that the maximum possible request
119 can be satisfied. Decrease it, if bigphys_area alloc'd
120 memory is low. If you don't have the bigphys_area patch,
121 set it to 128 KB. Will you allow only to grab small
122 images with V4L, but that's better than nothing.
123
124 v4l_bufsize has to be given in KB !
125
126*/
127
128int v4l_nbufs = 2;
129int v4l_bufsize = 128; /* Everybody should be able to work with this setting */
130module_param(v4l_nbufs, int, 0);
131MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
132module_param(v4l_bufsize, int, 0);
133MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
134
135int jpg_nbufs = 32;
136int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
137module_param(jpg_nbufs, int, 0);
138MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
139module_param(jpg_bufsize, int, 0);
140MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
141
142int pass_through = 0; /* 1=Pass through TV signal when device is not used */
143 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
144module_param(pass_through, int, 0);
145MODULE_PARM_DESC(pass_through,
146 "Pass TV signal through to TV-out when idling");
147
148static int debug = 1;
149int *zr_debug = &debug;
150module_param(debug, int, 0);
151MODULE_PARM_DESC(debug, "Debug level (0-4)");
152
153MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
154MODULE_AUTHOR("Serguei Miridonov");
155MODULE_LICENSE("GPL");
156
157static struct pci_device_id zr36067_pci_tbl[] = {
158 {PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057,
159 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
160 {0}
161};
162MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
163
164#define dprintk(num, format, args...) \
165 do { \
166 if (*zr_debug >= num) \
167 printk(format, ##args); \
168 } while (0)
169
170int zoran_num; /* number of Buzs in use */
171struct zoran zoran[BUZ_MAX];
172
173/* videocodec bus functions ZR36060 */
174static u32
175zr36060_read (struct videocodec *codec,
176 u16 reg)
177{
178 struct zoran *zr = (struct zoran *) codec->master_data->data;
179 __u32 data;
180
181 if (post_office_wait(zr)
182 || post_office_write(zr, 0, 1, reg >> 8)
183 || post_office_write(zr, 0, 2, reg & 0xff)) {
184 return -1;
185 }
186
187 data = post_office_read(zr, 0, 3) & 0xff;
188 return data;
189}
190
191static void
192zr36060_write (struct videocodec *codec,
193 u16 reg,
194 u32 val)
195{
196 struct zoran *zr = (struct zoran *) codec->master_data->data;
197
198 if (post_office_wait(zr)
199 || post_office_write(zr, 0, 1, reg >> 8)
200 || post_office_write(zr, 0, 2, reg & 0xff)) {
201 return;
202 }
203
204 post_office_write(zr, 0, 3, val & 0xff);
205}
206
207/* videocodec bus functions ZR36050 */
208static u32
209zr36050_read (struct videocodec *codec,
210 u16 reg)
211{
212 struct zoran *zr = (struct zoran *) codec->master_data->data;
213 __u32 data;
214
215 if (post_office_wait(zr)
216 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
217 return -1;
218 }
219
220 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
221 return data;
222}
223
224static void
225zr36050_write (struct videocodec *codec,
226 u16 reg,
227 u32 val)
228{
229 struct zoran *zr = (struct zoran *) codec->master_data->data;
230
231 if (post_office_wait(zr)
232 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
233 return;
234 }
235
236 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
237}
238
239/* videocodec bus functions ZR36016 */
240static u32
241zr36016_read (struct videocodec *codec,
242 u16 reg)
243{
244 struct zoran *zr = (struct zoran *) codec->master_data->data;
245 __u32 data;
246
247 if (post_office_wait(zr)) {
248 return -1;
249 }
250
251 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
252 return data;
253}
254
255/* hack for in zoran_device.c */
256void
257zr36016_write (struct videocodec *codec,
258 u16 reg,
259 u32 val)
260{
261 struct zoran *zr = (struct zoran *) codec->master_data->data;
262
263 if (post_office_wait(zr)) {
264 return;
265 }
266
267 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
268}
269
270/*
271 * Board specific information
272 */
273
274static void
275dc10_init (struct zoran *zr)
276{
277 dprintk(3, KERN_DEBUG "%s: dc10_init()\n", ZR_DEVNAME(zr));
278
279 /* Pixel clock selection */
280 GPIO(zr, 4, 0);
281 GPIO(zr, 5, 1);
282 /* Enable the video bus sync signals */
283 GPIO(zr, 7, 0);
284}
285
286static void
287dc10plus_init (struct zoran *zr)
288{
289 dprintk(3, KERN_DEBUG "%s: dc10plus_init()\n", ZR_DEVNAME(zr));
290}
291
292static void
293buz_init (struct zoran *zr)
294{
295 dprintk(3, KERN_DEBUG "%s: buz_init()\n", ZR_DEVNAME(zr));
296
297 /* some stuff from Iomega */
298 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
299 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
300 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
301}
302
303static void
304lml33_init (struct zoran *zr)
305{
306 dprintk(3, KERN_DEBUG "%s: lml33_init()\n", ZR_DEVNAME(zr));
307
308 GPIO(zr, 2, 1); // Set Composite input/output
309}
310
fbe60daa
MS		 311static void
312avs6eyes_init (struct zoran *zr)
313{
314 // AverMedia 6-Eyes original driver by Christer Weinigel
315
316 // Lifted straight from Christer's old driver and
317 // modified slightly by Martin Samuelsson.
318
319 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
320
321 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
322 udelay(2);
323
324 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
325 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
326 GPIO(zr, 2, mux & 1); /* MUX S0 */
327 GPIO(zr, 3, 0); /* /FRAME on */
328 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
329 GPIO(zr, 5, mux & 2); /* MUX S1 */
330 GPIO(zr, 6, 0); /* ? */
331 GPIO(zr, 7, mux & 4); /* MUX S2 */
332
333}
334
1da177e4
LT		 335static char *
336i2cid_to_modulename (u16 i2c_id)
337{
338 char *name = NULL;
339
340 switch (i2c_id) {
341 case I2C_DRIVERID_SAA7110:
342 name = "saa7110";
343 break;
344 case I2C_DRIVERID_SAA7111A:
345 name = "saa7111";
346 break;
347 case I2C_DRIVERID_SAA7114:
348 name = "saa7114";
349 break;
350 case I2C_DRIVERID_SAA7185B:
351 name = "saa7185";
352 break;
353 case I2C_DRIVERID_ADV7170:
354 name = "adv7170";
355 break;
356 case I2C_DRIVERID_ADV7175:
357 name = "adv7175";
358 break;
359 case I2C_DRIVERID_BT819:
360 name = "bt819";
361 break;
362 case I2C_DRIVERID_BT856:
363 name = "bt856";
364 break;
365 case I2C_DRIVERID_VPX3220:
366 name = "vpx3220";
367 break;
368/* case I2C_DRIVERID_VPX3224:
369 name = "vpx3224";
370 break;
371 case I2C_DRIVERID_MSE3000:
372 name = "mse3000";
373 break;*/
374 default:
375 break;
376 }
377
378 return name;
379}
380
381static char *
382codecid_to_modulename (u16 codecid)
383{
384 char *name = NULL;
385
386 switch (codecid) {
387 case CODEC_TYPE_ZR36060:
388 name = "zr36060";
389 break;
390 case CODEC_TYPE_ZR36050:
391 name = "zr36050";
392 break;
393 case CODEC_TYPE_ZR36016:
394 name = "zr36016";
395 break;
396 default:
397 break;
398 }
399
400 return name;
401}
402
403// struct tvnorm {
404// u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
405// };
406
407static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
408static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
409static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
410static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
411
412static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
413static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
414
415/* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
416static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
417static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
418
419/* FIXME: I cannot swap U and V in saa7114, so i do one
420 * pixel left shift in zoran (75 -> 74)
421 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
422static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
423static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
424
fbe60daa
MS		 425/* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
426 * copy Maxim's left shift hack for the 6 Eyes.
427 *
428 * Christer's driver used the unshifted norms, though...
429 * /Sam */
430static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
431static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
432
1da177e4
LT		 433static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
434 {
435 .type = DC10_old,
436 .name = "DC10(old)",
437 .i2c_decoder = I2C_DRIVERID_VPX3220,
438 /*.i2c_encoder = I2C_DRIVERID_MSE3000,*/
439 .video_codec = CODEC_TYPE_ZR36050,
440 .video_vfe = CODEC_TYPE_ZR36016,
441
442 .inputs = 3,
443 .input = {
444 { 1, "Composite" },
445 { 2, "S-Video" },
446 { 0, "Internal/comp" }
447 },
448 .norms = 3,
449 .tvn = {
450 &f50sqpixel_dc10,
451 &f60sqpixel_dc10,
452 &f50sqpixel_dc10
453 },
454 .jpeg_int = 0,
455 .vsync_int = ZR36057_ISR_GIRQ1,
456 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
457 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
458 .gpcs = { -1, 0 },
459 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
460 .gws_not_connected = 0,
fbe60daa 461 .input_mux = 0,
1da177e4
LT		 462 .init = &dc10_init,
463 }, {
464 .type = DC10_new,
465 .name = "DC10(new)",
466 .i2c_decoder = I2C_DRIVERID_SAA7110,
467 .i2c_encoder = I2C_DRIVERID_ADV7175,
468 .video_codec = CODEC_TYPE_ZR36060,
469
470 .inputs = 3,
471 .input = {
472 { 0, "Composite" },
473 { 7, "S-Video" },
474 { 5, "Internal/comp" }
475 },
476 .norms = 3,
477 .tvn = {
478 &f50sqpixel,
479 &f60sqpixel,
480 &f50sqpixel},
481 .jpeg_int = ZR36057_ISR_GIRQ0,
482 .vsync_int = ZR36057_ISR_GIRQ1,
483 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
484 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
485 .gpcs = { -1, 1},
486 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
487 .gws_not_connected = 0,
fbe60daa 488 .input_mux = 0,
1da177e4
LT		 489 .init = &dc10plus_init,
490 }, {
491 .type = DC10plus,
492 .name = "DC10plus",
493 .vendor_id = PCI_VENDOR_ID_MIRO,
494 .device_id = PCI_DEVICE_ID_MIRO_DC10PLUS,
495 .i2c_decoder = I2C_DRIVERID_SAA7110,
496 .i2c_encoder = I2C_DRIVERID_ADV7175,
497 .video_codec = CODEC_TYPE_ZR36060,
498
499 .inputs = 3,
500 .input = {
501 { 0, "Composite" },
502 { 7, "S-Video" },
503 { 5, "Internal/comp" }
504 },
505 .norms = 3,
506 .tvn = {
507 &f50sqpixel,
508 &f60sqpixel,
509 &f50sqpixel
510 },
511 .jpeg_int = ZR36057_ISR_GIRQ0,
512 .vsync_int = ZR36057_ISR_GIRQ1,
513 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
514 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
515 .gpcs = { -1, 1 },
516 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
517 .gws_not_connected = 0,
fbe60daa 518 .input_mux = 0,
1da177e4
LT		 519 .init = &dc10plus_init,
520 }, {
521 .type = DC30,
522 .name = "DC30",
523 .i2c_decoder = I2C_DRIVERID_VPX3220,
524 .i2c_encoder = I2C_DRIVERID_ADV7175,
525 .video_codec = CODEC_TYPE_ZR36050,
526 .video_vfe = CODEC_TYPE_ZR36016,
527
528 .inputs = 3,
529 .input = {
530 { 1, "Composite" },
531 { 2, "S-Video" },
532 { 0, "Internal/comp" }
533 },
534 .norms = 3,
535 .tvn = {
536 &f50sqpixel_dc10,
537 &f60sqpixel_dc10,
538 &f50sqpixel_dc10
539 },
540 .jpeg_int = 0,
541 .vsync_int = ZR36057_ISR_GIRQ1,
542 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
543 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
544 .gpcs = { -1, 0 },
545 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
546 .gws_not_connected = 0,
fbe60daa 547 .input_mux = 0,
1da177e4
LT		 548 .init = &dc10_init,
549 }, {
550 .type = DC30plus,
551 .name = "DC30plus",
552 .vendor_id = PCI_VENDOR_ID_MIRO,
553 .device_id = PCI_DEVICE_ID_MIRO_DC30PLUS,
554 .i2c_decoder = I2C_DRIVERID_VPX3220,
555 .i2c_encoder = I2C_DRIVERID_ADV7175,
556 .video_codec = CODEC_TYPE_ZR36050,
557 .video_vfe = CODEC_TYPE_ZR36016,
558
559 .inputs = 3,
560 .input = {
561 { 1, "Composite" },
562 { 2, "S-Video" },
563 { 0, "Internal/comp" }
564 },
565 .norms = 3,
566 .tvn = {
567 &f50sqpixel_dc10,
568 &f60sqpixel_dc10,
569 &f50sqpixel_dc10
570 },
571 .jpeg_int = 0,
572 .vsync_int = ZR36057_ISR_GIRQ1,
573 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
574 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
575 .gpcs = { -1, 0 },
576 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
577 .gws_not_connected = 0,
fbe60daa 578 .input_mux = 0,
1da177e4
LT		 579 .init = &dc10_init,
580 }, {
581 .type = LML33,
582 .name = "LML33",
583 .i2c_decoder = I2C_DRIVERID_BT819,
584 .i2c_encoder = I2C_DRIVERID_BT856,
585 .video_codec = CODEC_TYPE_ZR36060,
586
587 .inputs = 2,
588 .input = {
589 { 0, "Composite" },
590 { 7, "S-Video" }
591 },
592 .norms = 2,
593 .tvn = {
594 &f50ccir601_lml33,
595 &f60ccir601_lml33,
596 NULL
597 },
598 .jpeg_int = ZR36057_ISR_GIRQ1,
599 .vsync_int = ZR36057_ISR_GIRQ0,
600 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
601 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
602 .gpcs = { 3, 1 },
603 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
604 .gws_not_connected = 1,
fbe60daa 605 .input_mux = 0,
1da177e4
LT		 606 .init = &lml33_init,
607 }, {
608 .type = LML33R10,
609 .name = "LML33R10",
610 .vendor_id = PCI_VENDOR_ID_ELECTRONICDESIGNGMBH,
611 .device_id = PCI_DEVICE_ID_LML_33R10,
612 .i2c_decoder = I2C_DRIVERID_SAA7114,
613 .i2c_encoder = I2C_DRIVERID_ADV7170,
614 .video_codec = CODEC_TYPE_ZR36060,
615
616 .inputs = 2,
617 .input = {
618 { 0, "Composite" },
619 { 7, "S-Video" }
620 },
621 .norms = 2,
622 .tvn = {
623 &f50ccir601_lm33r10,
624 &f60ccir601_lm33r10,
625 NULL
626 },
627 .jpeg_int = ZR36057_ISR_GIRQ1,
628 .vsync_int = ZR36057_ISR_GIRQ0,
629 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
630 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
631 .gpcs = { 3, 1 },
632 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
633 .gws_not_connected = 1,
fbe60daa 634 .input_mux = 0,
1da177e4
LT		 635 .init = &lml33_init,
636 }, {
637 .type = BUZ,
638 .name = "Buz",
639 .vendor_id = PCI_VENDOR_ID_IOMEGA,
640 .device_id = PCI_DEVICE_ID_IOMEGA_BUZ,
641 .i2c_decoder = I2C_DRIVERID_SAA7111A,
642 .i2c_encoder = I2C_DRIVERID_SAA7185B,
643 .video_codec = CODEC_TYPE_ZR36060,
644
645 .inputs = 2,
646 .input = {
647 { 3, "Composite" },
648 { 7, "S-Video" }
649 },
650 .norms = 3,
651 .tvn = {
652 &f50ccir601,
653 &f60ccir601,
654 &f50ccir601
655 },
656 .jpeg_int = ZR36057_ISR_GIRQ1,
657 .vsync_int = ZR36057_ISR_GIRQ0,
658 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
659 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
660 .gpcs = { 3, 1 },
661 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
662 .gws_not_connected = 1,
fbe60daa 663 .input_mux = 0,
1da177e4 664 .init = &buz_init,
fbe60daa
MS		 665 }, {
666 .type = AVS6EYES,
667 .name = "6-Eyes",
668 /* AverMedia chose not to brand the 6-Eyes. Thus it
669 can't be autodetected, and requires card=x. */
670 .vendor_id = -1,
671 .device_id = -1,
672 .i2c_decoder = I2C_DRIVERID_KS0127,
673 .i2c_encoder = I2C_DRIVERID_BT866,
674 .video_codec = CODEC_TYPE_ZR36060,
675
676 .inputs = 10,
677 .input = {
678 { 0, "Composite 1" },
679 { 1, "Composite 2" },
680 { 2, "Composite 3" },
681 { 4, "Composite 4" },
682 { 5, "Composite 5" },
683 { 6, "Composite 6" },
684 { 8, "S-Video 1" },
685 { 9, "S-Video 2" },
686 {10, "S-Video 3" },
687 {15, "YCbCr" }
688 },
689 .norms = 2,
690 .tvn = {
691 &f50ccir601_avs6eyes,
692 &f60ccir601_avs6eyes,
693 NULL
694 },
695 .jpeg_int = ZR36057_ISR_GIRQ1,
696 .vsync_int = ZR36057_ISR_GIRQ0,
697 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
698 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
699 .gpcs = { 3, 1 }, // Validity unknown /Sam
700 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
701 .gws_not_connected = 1,
702 .input_mux = 1,
703 .init = &avs6eyes_init,
1da177e4 704 }
fbe60daa 705
1da177e4
LT		 706};
707
708/*
709 * I2C functions
710 */
711/* software I2C functions */
712static int
713zoran_i2c_getsda (void *data)
714{
715 struct zoran *zr = (struct zoran *) data;
716
717 return (btread(ZR36057_I2CBR) >> 1) & 1;
718}
719
720static int
721zoran_i2c_getscl (void *data)
722{
723 struct zoran *zr = (struct zoran *) data;
724
725 return btread(ZR36057_I2CBR) & 1;
726}
727
728static void
729zoran_i2c_setsda (void *data,
730 int state)
731{
732 struct zoran *zr = (struct zoran *) data;
733
734 if (state)
735 zr->i2cbr |= 2;
736 else
737 zr->i2cbr &= ~2;
738 btwrite(zr->i2cbr, ZR36057_I2CBR);
739}
740
741static void
742zoran_i2c_setscl (void *data,
743 int state)
744{
745 struct zoran *zr = (struct zoran *) data;
746
747 if (state)
748 zr->i2cbr |= 1;
749 else
750 zr->i2cbr &= ~1;
751 btwrite(zr->i2cbr, ZR36057_I2CBR);
752}
753
754static int
755zoran_i2c_client_register (struct i2c_client *client)
756{
757 struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter);
758 int res = 0;
759
760 dprintk(2,
761 KERN_DEBUG "%s: i2c_client_register() - driver id = %d\n",
762 ZR_DEVNAME(zr), client->driver->id);
763
384c3689 764 mutex_lock(&zr->resource_lock);
1da177e4
LT		 765
766 if (zr->user > 0) {
767 /* we're already busy, so we keep a reference to
768 * them... Could do a lot of stuff here, but this
769 * is easiest. (Did I ever mention I'm a lazy ass?)
770 */
771 res = -EBUSY;
772 goto clientreg_unlock_and_return;
773 }
774
775 if (client->driver->id == zr->card.i2c_decoder)
776 zr->decoder = client;
777 else if (client->driver->id == zr->card.i2c_encoder)
778 zr->encoder = client;
779 else {
780 res = -ENODEV;
781 goto clientreg_unlock_and_return;
782 }
783
784clientreg_unlock_and_return:
384c3689 785 mutex_unlock(&zr->resource_lock);
1da177e4
LT		 786
787 return res;
788}
789
790static int
791zoran_i2c_client_unregister (struct i2c_client *client)
792{
793 struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter);
794 int res = 0;
795
796 dprintk(2, KERN_DEBUG "%s: i2c_client_unregister()\n", ZR_DEVNAME(zr));
797
384c3689 798 mutex_lock(&zr->resource_lock);
1da177e4
LT		 799
800 if (zr->user > 0) {
801 res = -EBUSY;
802 goto clientunreg_unlock_and_return;
803 }
804
805 /* try to locate it */
806 if (client == zr->encoder) {
807 zr->encoder = NULL;
808 } else if (client == zr->decoder) {
809 zr->decoder = NULL;
810 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%d]", zr->id);
811 }
812clientunreg_unlock_and_return:
384c3689 813 mutex_unlock(&zr->resource_lock);
1da177e4
LT		 814 return res;
815}
816
817static struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
818 .setsda = zoran_i2c_setsda,
819 .setscl = zoran_i2c_setscl,
820 .getsda = zoran_i2c_getsda,
821 .getscl = zoran_i2c_getscl,
822 .udelay = 10,
823 .mdelay = 0,
824 .timeout = 100,
825};
826
827static struct i2c_adapter zoran_i2c_adapter_template = {
fae91e72 828 .name = "zr36057",
1da177e4
LT		 829 .id = I2C_HW_B_ZR36067,
830 .algo = NULL,
831 .client_register = zoran_i2c_client_register,
832 .client_unregister = zoran_i2c_client_unregister,
833};
834
835static int
836zoran_register_i2c (struct zoran *zr)
837{
838 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
839 sizeof(struct i2c_algo_bit_data));
840 zr->i2c_algo.data = zr;
841 memcpy(&zr->i2c_adapter, &zoran_i2c_adapter_template,
842 sizeof(struct i2c_adapter));
843 strncpy(I2C_NAME(&zr->i2c_adapter), ZR_DEVNAME(zr),
844 sizeof(I2C_NAME(&zr->i2c_adapter)) - 1);
845 i2c_set_adapdata(&zr->i2c_adapter, zr);
846 zr->i2c_adapter.algo_data = &zr->i2c_algo;
847 return i2c_bit_add_bus(&zr->i2c_adapter);
848}
849
850static void
851zoran_unregister_i2c (struct zoran *zr)
852{
853 i2c_bit_del_bus((&zr->i2c_adapter));
854}
855
856/* Check a zoran_params struct for correctness, insert default params */
857
858int
859zoran_check_jpg_settings (struct zoran *zr,
860 struct zoran_jpg_settings *settings)
861{
862 int err = 0, err0 = 0;
863
864 dprintk(4,
865 KERN_DEBUG
866 "%s: check_jpg_settings() - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
867 ZR_DEVNAME(zr), settings->decimation, settings->HorDcm,
868 settings->VerDcm, settings->TmpDcm);
869 dprintk(4,
870 KERN_DEBUG
871 "%s: check_jpg_settings() - x: %d, y: %d, w: %d, y: %d\n",
872 ZR_DEVNAME(zr), settings->img_x, settings->img_y,
873 settings->img_width, settings->img_height);
874 /* Check decimation, set default values for decimation = 1, 2, 4 */
875 switch (settings->decimation) {
876 case 1:
877
878 settings->HorDcm = 1;
879 settings->VerDcm = 1;
880 settings->TmpDcm = 1;
881 settings->field_per_buff = 2;
882 settings->img_x = 0;
883 settings->img_y = 0;
884 settings->img_width = BUZ_MAX_WIDTH;
885 settings->img_height = BUZ_MAX_HEIGHT / 2;
886 break;
887 case 2:
888
889 settings->HorDcm = 2;
890 settings->VerDcm = 1;
891 settings->TmpDcm = 2;
892 settings->field_per_buff = 1;
893 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
894 settings->img_y = 0;
895 settings->img_width =
896 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
897 settings->img_height = BUZ_MAX_HEIGHT / 2;
898 break;
899 case 4:
900
901 if (zr->card.type == DC10_new) {
902 dprintk(1,
903 KERN_DEBUG
904 "%s: check_jpg_settings() - HDec by 4 is not supported on the DC10\n",
905 ZR_DEVNAME(zr));
906 err0++;
907 break;
908 }
909
910 settings->HorDcm = 4;
911 settings->VerDcm = 2;
912 settings->TmpDcm = 2;
913 settings->field_per_buff = 1;
914 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
915 settings->img_y = 0;
916 settings->img_width =
917 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
918 settings->img_height = BUZ_MAX_HEIGHT / 2;
919 break;
920 case 0:
921
922 /* We have to check the data the user has set */
923
924 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
925 (zr->card.type == DC10_new || settings->HorDcm != 4))
926 err0++;
927 if (settings->VerDcm != 1 && settings->VerDcm != 2)
928 err0++;
929 if (settings->TmpDcm != 1 && settings->TmpDcm != 2)
930 err0++;
931 if (settings->field_per_buff != 1 &&
932 settings->field_per_buff != 2)
933 err0++;
934 if (settings->img_x < 0)
935 err0++;
936 if (settings->img_y < 0)
937 err0++;
938 if (settings->img_width < 0)
939 err0++;
940 if (settings->img_height < 0)
941 err0++;
942 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH)
943 err0++;
944 if (settings->img_y + settings->img_height >
945 BUZ_MAX_HEIGHT / 2)
946 err0++;
947 if (settings->HorDcm && settings->VerDcm) {
948 if (settings->img_width %
949 (16 * settings->HorDcm) != 0)
950 err0++;
951 if (settings->img_height %
952 (8 * settings->VerDcm) != 0)
953 err0++;
954 }
955
956 if (err0) {
957 dprintk(1,
958 KERN_ERR
959 "%s: check_jpg_settings() - error in params for decimation = 0\n",
960 ZR_DEVNAME(zr));
961 err++;
962 }
963 break;
964 default:
965 dprintk(1,
966 KERN_ERR
967 "%s: check_jpg_settings() - decimation = %d, must be 0, 1, 2 or 4\n",
968 ZR_DEVNAME(zr), settings->decimation);
969 err++;
970 break;
971 }
972
973 if (settings->jpg_comp.quality > 100)
974 settings->jpg_comp.quality = 100;
975 if (settings->jpg_comp.quality < 5)
976 settings->jpg_comp.quality = 5;
977 if (settings->jpg_comp.APPn < 0)
978 settings->jpg_comp.APPn = 0;
979 if (settings->jpg_comp.APPn > 15)
980 settings->jpg_comp.APPn = 15;
981 if (settings->jpg_comp.APP_len < 0)
982 settings->jpg_comp.APP_len = 0;
983 if (settings->jpg_comp.APP_len > 60)
984 settings->jpg_comp.APP_len = 60;
985 if (settings->jpg_comp.COM_len < 0)
986 settings->jpg_comp.COM_len = 0;
987 if (settings->jpg_comp.COM_len > 60)
988 settings->jpg_comp.COM_len = 60;
989 if (err)
990 return -EINVAL;
991 return 0;
992}
993
994void
995zoran_open_init_params (struct zoran *zr)
996{
997 int i;
998
999 /* User must explicitly set a window */
1000 zr->overlay_settings.is_set = 0;
1001 zr->overlay_mask = NULL;
1002 zr->overlay_active = ZORAN_FREE;
1003
1004 zr->v4l_memgrab_active = 0;
1005 zr->v4l_overlay_active = 0;
1006 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
1007 zr->v4l_grab_seq = 0;
1008 zr->v4l_settings.width = 192;
1009 zr->v4l_settings.height = 144;
1010 zr->v4l_settings.format = &zoran_formats[4]; /* YUY2 - YUV-4:2:2 packed */
1011 zr->v4l_settings.bytesperline =
1012 zr->v4l_settings.width *
1013 ((zr->v4l_settings.format->depth + 7) / 8);
1014
1015 /* DMA ring stuff for V4L */
1016 zr->v4l_pend_tail = 0;
1017 zr->v4l_pend_head = 0;
1018 zr->v4l_sync_tail = 0;
1019 zr->v4l_buffers.active = ZORAN_FREE;
1020 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
1021 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
1022 }
1023 zr->v4l_buffers.allocated = 0;
1024
1025 for (i = 0; i < BUZ_MAX_FRAME; i++) {
1026 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
1027 }
1028 zr->jpg_buffers.active = ZORAN_FREE;
1029 zr->jpg_buffers.allocated = 0;
1030 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
1031 zr->jpg_settings.decimation = 1;
1032 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
1033 if (zr->card.type != BUZ)
1034 zr->jpg_settings.odd_even = 1;
1035 else
1036 zr->jpg_settings.odd_even = 0;
1037 zr->jpg_settings.jpg_comp.APPn = 0;
1038 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
1039 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
1040 sizeof(zr->jpg_settings.jpg_comp.APP_data));
1041 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
1042 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
1043 sizeof(zr->jpg_settings.jpg_comp.COM_data));
1044 zr->jpg_settings.jpg_comp.jpeg_markers =
1045 JPEG_MARKER_DHT | JPEG_MARKER_DQT;
1046 i = zoran_check_jpg_settings(zr, &zr->jpg_settings);
1047 if (i)
1048 dprintk(1,
1049 KERN_ERR
1050 "%s: zoran_open_init_params() internal error\n",
1051 ZR_DEVNAME(zr));
1052
1053 clear_interrupt_counters(zr);
1054 zr->testing = 0;
1055}
1056
1057static void __devinit
1058test_interrupts (struct zoran *zr)
1059{
1060 DEFINE_WAIT(wait);
1061 int timeout, icr;
1062
1063 clear_interrupt_counters(zr);
1064
1065 zr->testing = 1;
1066 icr = btread(ZR36057_ICR);
1067 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
1068 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
1069 timeout = schedule_timeout(HZ);
1070 finish_wait(&zr->test_q, &wait);
1071 btwrite(0, ZR36057_ICR);
1072 btwrite(0x78000000, ZR36057_ISR);
1073 zr->testing = 0;
1074 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
1075 if (timeout) {
1076 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
1077 }
1078 if (*zr_debug > 1)
1079 print_interrupts(zr);
1080 btwrite(icr, ZR36057_ICR);
1081}
1082
1083static int __devinit
1084zr36057_init (struct zoran *zr)
1085{
daf72f40 1086 int j, err;
1da177e4
LT		 1087 int two = 2;
1088 int zero = 0;
1089
1090 dprintk(1,
1091 KERN_INFO
1092 "%s: zr36057_init() - initializing card[%d], zr=%p\n",
1093 ZR_DEVNAME(zr), zr->id, zr);
1094
1095 /* default setup of all parameters which will persist between opens */
1096 zr->user = 0;
1097
1098 init_waitqueue_head(&zr->v4l_capq);
1099 init_waitqueue_head(&zr->jpg_capq);
1100 init_waitqueue_head(&zr->test_q);
1101 zr->jpg_buffers.allocated = 0;
1102 zr->v4l_buffers.allocated = 0;
1103
1104 zr->buffer.base = (void *) vidmem;
1105 zr->buffer.width = 0;
1106 zr->buffer.height = 0;
1107 zr->buffer.depth = 0;
1108 zr->buffer.bytesperline = 0;
1109
1110 /* Avoid nonsense settings from user for default input/norm */
1111 if (default_norm < VIDEO_MODE_PAL &&
1112 default_norm > VIDEO_MODE_SECAM)
1113 default_norm = VIDEO_MODE_PAL;
1114 zr->norm = default_norm;
1115 if (!(zr->timing = zr->card.tvn[zr->norm])) {
1116 dprintk(1,
1117 KERN_WARNING
1118 "%s: zr36057_init() - default TV standard not supported by hardware. PAL will be used.\n",
1119 ZR_DEVNAME(zr));
1120 zr->norm = VIDEO_MODE_PAL;
1121 zr->timing = zr->card.tvn[zr->norm];
1122 }
1123
1124 zr->input = default_input = (default_input ? 1 : 0);
1125
1126 /* Should the following be reset at every open ? */
1127 zr->hue = 32768;
1128 zr->contrast = 32768;
1129 zr->saturation = 32768;
1130 zr->brightness = 32768;
1131
1132 /* default setup (will be repeated at every open) */
1133 zoran_open_init_params(zr);
1134
1135 /* allocate memory *before* doing anything to the hardware
1136 * in case allocation fails */
daf72f40
JD		 1137 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1138 zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1139 if (!zr->stat_com || !zr->video_dev) {
1da177e4
LT		 1140 dprintk(1,
1141 KERN_ERR
1142 "%s: zr36057_init() - kmalloc (STAT_COM) failed\n",
1143 ZR_DEVNAME(zr));
daf72f40
JD		 1144 err = -ENOMEM;
1145 goto exit_free;
1da177e4 1146 }
1da177e4
LT		 1147 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1148 zr->stat_com[j] = 1; /* mark as unavailable to zr36057 */
1149 }
1150
1151 /*
1152 * Now add the template and register the device unit.
1153 */
1da177e4
LT		 1154 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1155 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
daf72f40
JD		 1156 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr);
1157 if (err < 0)
1158 goto exit_unregister;
1da177e4
LT		 1159
1160 zoran_init_hardware(zr);
1161 if (*zr_debug > 2)
1162 detect_guest_activity(zr);
1163 test_interrupts(zr);
1164 if (!pass_through) {
1165 decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero);
1166 encoder_command(zr, ENCODER_SET_INPUT, &two);
1167 }
1168
1169 zr->zoran_proc = NULL;
1170 zr->initialized = 1;
1171 return 0;
daf72f40
JD		 1172
1173exit_unregister:
1174 zoran_unregister_i2c(zr);
1175exit_free:
1176 kfree(zr->stat_com);
1177 kfree(zr->video_dev);
1178 return err;
1da177e4
LT		 1179}
1180
1181static void
1182zoran_release (struct zoran *zr)
1183{
1184 if (!zr->initialized)
1185 return;
1186 /* unregister videocodec bus */
1187 if (zr->codec) {
1188 struct videocodec_master *master = zr->codec->master_data;
2ea75330 1189
1da177e4 1190 videocodec_detach(zr->codec);
2ea75330 1191 kfree(master);
1da177e4
LT		 1192 }
1193 if (zr->vfe) {
1194 struct videocodec_master *master = zr->vfe->master_data;
2ea75330 1195
1da177e4 1196 videocodec_detach(zr->vfe);
2ea75330 1197 kfree(master);
1da177e4
LT		 1198 }
1199
1200 /* unregister i2c bus */
1201 zoran_unregister_i2c(zr);
1202 /* disable PCI bus-mastering */
1203 zoran_set_pci_master(zr, 0);
1204 /* put chip into reset */
1205 btwrite(0, ZR36057_SPGPPCR);
1206 free_irq(zr->pci_dev->irq, zr);
1207 /* unmap and free memory */
daf72f40 1208 kfree(zr->stat_com);
1da177e4
LT		 1209 zoran_proc_cleanup(zr);
1210 iounmap(zr->zr36057_mem);
1211 pci_disable_device(zr->pci_dev);
1212 video_unregister_device(zr->video_dev);
1213}
1214
1215void
1216zoran_vdev_release (struct video_device *vdev)
1217{
1218 kfree(vdev);
1219}
1220
1221static struct videocodec_master * __devinit
1222zoran_setup_videocodec (struct zoran *zr,
1223 int type)
1224{
1225 struct videocodec_master *m = NULL;
1226
1227 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1228 if (!m) {
1229 dprintk(1,
1230 KERN_ERR
1231 "%s: zoran_setup_videocodec() - no memory\n",
1232 ZR_DEVNAME(zr));
1233 return m;
1234 }
1235
1236 m->magic = 0L; /* magic not used */
1237 m->type = VID_HARDWARE_ZR36067;
1238 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1239 strncpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1240 m->data = zr;
1241
1242 switch (type)
1243 {
1244 case CODEC_TYPE_ZR36060:
1245 m->readreg = zr36060_read;
1246 m->writereg = zr36060_write;
1247 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1248 break;
1249 case CODEC_TYPE_ZR36050:
1250 m->readreg = zr36050_read;
1251 m->writereg = zr36050_write;
1252 m->flags |= CODEC_FLAG_JPEG;
1253 break;
1254 case CODEC_TYPE_ZR36016:
1255 m->readreg = zr36016_read;
1256 m->writereg = zr36016_write;
1257 m->flags |= CODEC_FLAG_VFE;
1258 break;
1259 }
1260
1261 return m;
1262}
1263
1264/*
1265 * Scan for a Buz card (actually for the PCI contoler ZR36057),
1266 * request the irq and map the io memory
1267 */
1268static int __devinit
1269find_zr36057 (void)
1270{
1271 unsigned char latency, need_latency;
1272 struct zoran *zr;
1273 struct pci_dev *dev = NULL;
1274 int result;
1275 struct videocodec_master *master_vfe = NULL;
1276 struct videocodec_master *master_codec = NULL;
1277 int card_num;
1278 char *i2c_enc_name, *i2c_dec_name, *codec_name, *vfe_name;
1279
1280 zoran_num = 0;
1281 while (zoran_num < BUZ_MAX &&
1282 (dev =
1283 pci_find_device(PCI_VENDOR_ID_ZORAN,
1284 PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) {
1285 card_num = card[zoran_num];
1286 zr = &zoran[zoran_num];
1287 memset(zr, 0, sizeof(struct zoran)); // Just in case if previous cycle failed
1288 zr->pci_dev = dev;
1289 //zr->zr36057_mem = NULL;
1290 zr->id = zoran_num;
1291 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1292 spin_lock_init(&zr->spinlock);
384c3689 1293 mutex_init(&zr->resource_lock);
1da177e4
LT		 1294 if (pci_enable_device(dev))
1295 continue;
1296 zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0);
1297 pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION,
1298 &zr->revision);
1299 if (zr->revision < 2) {
1300 dprintk(1,
1301 KERN_INFO
1302 "%s: Zoran ZR36057 (rev %d) irq: %d, memory: 0x%08x.\n",
1303 ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq,
1304 zr->zr36057_adr);
1305
1306 if (card_num == -1) {
1307 dprintk(1,
1308 KERN_ERR
1309 "%s: find_zr36057() - no card specified, please use the card=X insmod option\n",
1310 ZR_DEVNAME(zr));
1311 continue;
1312 }
1313 } else {
1314 int i;
1315 unsigned short ss_vendor, ss_device;
1316
1317 ss_vendor = zr->pci_dev->subsystem_vendor;
1318 ss_device = zr->pci_dev->subsystem_device;
1319 dprintk(1,
1320 KERN_INFO
1321 "%s: Zoran ZR36067 (rev %d) irq: %d, memory: 0x%08x\n",
1322 ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq,
1323 zr->zr36057_adr);
1324 dprintk(1,
1325 KERN_INFO
1326 "%s: subsystem vendor=0x%04x id=0x%04x\n",
1327 ZR_DEVNAME(zr), ss_vendor, ss_device);
1328 if (card_num == -1) {
1329 dprintk(3,
1330 KERN_DEBUG
1331 "%s: find_zr36057() - trying to autodetect card type\n",
1332 ZR_DEVNAME(zr));
1333 for (i=0;i<NUM_CARDS;i++) {
1334 if (ss_vendor == zoran_cards[i].vendor_id &&
1335 ss_device == zoran_cards[i].device_id) {
1336 dprintk(3,
1337 KERN_DEBUG
1338 "%s: find_zr36057() - card %s detected\n",
1339 ZR_DEVNAME(zr),
1340 zoran_cards[i].name);
1341 card_num = i;
1342 break;
1343 }
1344 }
1345 if (i == NUM_CARDS) {
1346 dprintk(1,
1347 KERN_ERR
1348 "%s: find_zr36057() - unknown card\n",
1349 ZR_DEVNAME(zr));
1350 continue;
1351 }
1352 }
1353 }
1354
1355 if (card_num < 0 || card_num >= NUM_CARDS) {
1356 dprintk(2,
1357 KERN_ERR
1358 "%s: find_zr36057() - invalid cardnum %d\n",
1359 ZR_DEVNAME(zr), card_num);
1360 continue;
1361 }
1362
1363 /* even though we make this a non pointer and thus
1364 * theoretically allow for making changes to this struct
1365 * on a per-individual card basis at runtime, this is
1366 * strongly discouraged. This structure is intended to
1367 * keep general card information, no settings or anything */
1368 zr->card = zoran_cards[card_num];
1369 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1370 "%s[%u]", zr->card.name, zr->id);
1371
1372 zr->zr36057_mem = ioremap_nocache(zr->zr36057_adr, 0x1000);
1373 if (!zr->zr36057_mem) {
1374 dprintk(1,
1375 KERN_ERR
1376 "%s: find_zr36057() - ioremap failed\n",
1377 ZR_DEVNAME(zr));
1378 continue;
1379 }
1380
1381 result = request_irq(zr->pci_dev->irq,
1382 zoran_irq,
8076fe32 1383 IRQF_SHARED | IRQF_DISABLED,
1da177e4
LT		 1384 ZR_DEVNAME(zr),
1385 (void *) zr);
1386 if (result < 0) {
1387 if (result == -EINVAL) {
1388 dprintk(1,
1389 KERN_ERR
1390 "%s: find_zr36057() - bad irq number or handler\n",
1391 ZR_DEVNAME(zr));
1392 } else if (result == -EBUSY) {
1393 dprintk(1,
1394 KERN_ERR
1395 "%s: find_zr36057() - IRQ %d busy, change your PnP config in BIOS\n",
1396 ZR_DEVNAME(zr), zr->pci_dev->irq);
1397 } else {
1398 dprintk(1,
1399 KERN_ERR
1400 "%s: find_zr36057() - can't assign irq, error code %d\n",
1401 ZR_DEVNAME(zr), result);
1402 }
1403 goto zr_unmap;
1404 }
1405
1406 /* set PCI latency timer */
1407 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1408 &latency);
1409 need_latency = zr->revision > 1 ? 32 : 48;
1410 if (latency != need_latency) {
1411 dprintk(2,
1412 KERN_INFO
1413 "%s: Changing PCI latency from %d to %d.\n",
1414 ZR_DEVNAME(zr), latency, need_latency);
1415 pci_write_config_byte(zr->pci_dev,
1416 PCI_LATENCY_TIMER,
1417 need_latency);
1418 }
1419
1420 zr36057_restart(zr);
1421 /* i2c */
1422 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1423 ZR_DEVNAME(zr));
1424
1425 /* i2c decoder */
1426 if (decoder[zr->id] != -1) {
1427 i2c_dec_name = i2cid_to_modulename(decoder[zr->id]);
1428 zr->card.i2c_decoder = decoder[zr->id];
1429 } else if (zr->card.i2c_decoder != 0) {
1430 i2c_dec_name =
1431 i2cid_to_modulename(zr->card.i2c_decoder);
1432 } else {
1433 i2c_dec_name = NULL;
1434 }
1435
1436 if (i2c_dec_name) {
1437 if ((result = request_module(i2c_dec_name)) < 0) {
1438 dprintk(1,
1439 KERN_ERR
1440 "%s: failed to load module %s: %d\n",
1441 ZR_DEVNAME(zr), i2c_dec_name, result);
1442 }
1443 }
1444
1445 /* i2c encoder */
1446 if (encoder[zr->id] != -1) {
1447 i2c_enc_name = i2cid_to_modulename(encoder[zr->id]);
1448 zr->card.i2c_encoder = encoder[zr->id];
1449 } else if (zr->card.i2c_encoder != 0) {
1450 i2c_enc_name =
1451 i2cid_to_modulename(zr->card.i2c_encoder);
1452 } else {
1453 i2c_enc_name = NULL;
1454 }
1455
1456 if (i2c_enc_name) {
1457 if ((result = request_module(i2c_enc_name)) < 0) {
1458 dprintk(1,
1459 KERN_ERR
1460 "%s: failed to load module %s: %d\n",
1461 ZR_DEVNAME(zr), i2c_enc_name, result);
1462 }
1463 }
1464
1465 if (zoran_register_i2c(zr) < 0) {
1466 dprintk(1,
1467 KERN_ERR
1468 "%s: find_zr36057() - can't initialize i2c bus\n",
1469 ZR_DEVNAME(zr));
1470 goto zr_free_irq;
1471 }
1472
1473 dprintk(2,
1474 KERN_INFO "%s: Initializing videocodec bus...\n",
1475 ZR_DEVNAME(zr));
1476
1477 if (zr->card.video_codec != 0 &&
1478 (codec_name =
1479 codecid_to_modulename(zr->card.video_codec)) != NULL) {
1480 if ((result = request_module(codec_name)) < 0) {
1481 dprintk(1,
1482 KERN_ERR
1483 "%s: failed to load modules %s: %d\n",
1484 ZR_DEVNAME(zr), codec_name, result);
1485 }
1486 }
1487 if (zr->card.video_vfe != 0 &&
1488 (vfe_name =
1489 codecid_to_modulename(zr->card.video_vfe)) != NULL) {
1490 if ((result = request_module(vfe_name)) < 0) {
1491 dprintk(1,
1492 KERN_ERR
1493 "%s: failed to load modules %s: %d\n",
1494 ZR_DEVNAME(zr), vfe_name, result);
1495 }
1496 }
1497
1498 /* reset JPEG codec */
1499 jpeg_codec_sleep(zr, 1);
1500 jpeg_codec_reset(zr);
1501 /* video bus enabled */
1502 /* display codec revision */
1503 if (zr->card.video_codec != 0) {
1504 master_codec = zoran_setup_videocodec(zr,
1505 zr->card.video_codec);
1506 if (!master_codec)
1507 goto zr_unreg_i2c;
1508 zr->codec = videocodec_attach(master_codec);
1509 if (!zr->codec) {
1510 dprintk(1,
1511 KERN_ERR
1512 "%s: find_zr36057() - no codec found\n",
1513 ZR_DEVNAME(zr));
1514 goto zr_free_codec;
1515 }
1516 if (zr->codec->type != zr->card.video_codec) {
1517 dprintk(1,
1518 KERN_ERR
1519 "%s: find_zr36057() - wrong codec\n",
1520 ZR_DEVNAME(zr));
1521 goto zr_detach_codec;
1522 }
1523 }
1524 if (zr->card.video_vfe != 0) {
1525 master_vfe = zoran_setup_videocodec(zr,
1526 zr->card.video_vfe);
1527 if (!master_vfe)
1528 goto zr_detach_codec;
1529 zr->vfe = videocodec_attach(master_vfe);
1530 if (!zr->vfe) {
1531 dprintk(1,
1532 KERN_ERR
1533 "%s: find_zr36057() - no VFE found\n",
1534 ZR_DEVNAME(zr));
1535 goto zr_free_vfe;
1536 }
1537 if (zr->vfe->type != zr->card.video_vfe) {
1538 dprintk(1,
1539 KERN_ERR
1540 "%s: find_zr36057() = wrong VFE\n",
1541 ZR_DEVNAME(zr));
1542 goto zr_detach_vfe;
1543 }
1544 }
1545
1546 zoran_num++;
1547 continue;
1548
1549 // Init errors
1550 zr_detach_vfe:
1551 videocodec_detach(zr->vfe);
1552 zr_free_vfe:
1553 kfree(master_vfe);
1554 zr_detach_codec:
1555 videocodec_detach(zr->codec);
1556 zr_free_codec:
1557 kfree(master_codec);
1558 zr_unreg_i2c:
1559 zoran_unregister_i2c(zr);
1560 zr_free_irq:
1561 btwrite(0, ZR36057_SPGPPCR);
1562 free_irq(zr->pci_dev->irq, zr);
1563 zr_unmap:
1564 iounmap(zr->zr36057_mem);
1565 continue;
1566 }
1567 if (zoran_num == 0) {
1568 dprintk(1, KERN_INFO "No known MJPEG cards found.\n");
1569 }
1570 return zoran_num;
1571}
1572
1573static int __init
1574init_dc10_cards (void)
1575{
1576 int i;
1577
1578 memset(zoran, 0, sizeof(zoran));
1579 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1580 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1581
1582 /* Look for cards */
1583 if (find_zr36057() < 0) {
1584 return -EIO;
1585 }
1586 if (zoran_num == 0)
1587 return -ENODEV;
1588 dprintk(1, KERN_INFO "%s: %d card(s) found\n", ZORAN_NAME,
1589 zoran_num);
1590 /* check the parameters we have been given, adjust if necessary */
1591 if (v4l_nbufs < 2)
1592 v4l_nbufs = 2;
1593 if (v4l_nbufs > VIDEO_MAX_FRAME)
1594 v4l_nbufs = VIDEO_MAX_FRAME;
1595 /* The user specfies the in KB, we want them in byte
1596 * (and page aligned) */
1597 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1598 if (v4l_bufsize < 32768)
1599 v4l_bufsize = 32768;
1600 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1601 if (v4l_bufsize > 2048 * 1024)
1602 v4l_bufsize = 2048 * 1024;
1603 if (jpg_nbufs < 4)
1604 jpg_nbufs = 4;
1605 if (jpg_nbufs > BUZ_MAX_FRAME)
1606 jpg_nbufs = BUZ_MAX_FRAME;
1607 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1608 if (jpg_bufsize < 8192)
1609 jpg_bufsize = 8192;
1610 if (jpg_bufsize > (512 * 1024))
1611 jpg_bufsize = 512 * 1024;
1612 /* Use parameter for vidmem or try to find a video card */
1613 if (vidmem) {
1614 dprintk(1,
1615 KERN_INFO
1616 "%s: Using supplied video memory base address @ 0x%lx\n",
1617 ZORAN_NAME, vidmem);
1618 }
1619
1620 /* random nonsense */
1621 dprintk(5, KERN_DEBUG "Jotti is een held!\n");
1622
1623 /* some mainboards might not do PCI-PCI data transfer well */
1624 if (pci_pci_problems & PCIPCI_FAIL) {
1625 dprintk(1,
1626 KERN_WARNING
1627 "%s: chipset may not support reliable PCI-PCI DMA\n",
1628 ZORAN_NAME);
1629 }
1630
1631 /* take care of Natoma chipset and a revision 1 zr36057 */
1632 for (i = 0; i < zoran_num; i++) {
1633 struct zoran *zr = &zoran[i];
1634
1635 if (pci_pci_problems & PCIPCI_NATOMA && zr->revision <= 1) {
1636 zr->jpg_buffers.need_contiguous = 1;
1637 dprintk(1,
1638 KERN_INFO
1639 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1640 ZR_DEVNAME(zr));
1641 }
1642
1643 if (zr36057_init(zr) < 0) {
1644 for (i = 0; i < zoran_num; i++)
1645 zoran_release(&zoran[i]);
1646 return -EIO;
1647 }
1648 zoran_proc_init(zr);
1649 }
1650
1651 return 0;
1652}
1653
1654static void __exit
1655unload_dc10_cards (void)
1656{
1657 int i;
1658
1659 for (i = 0; i < zoran_num; i++)
1660 zoran_release(&zoran[i]);
1661}
1662
1663module_init(init_dc10_cards);
1664module_exit(unload_dc10_cards);
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