Loading...
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
7 *
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
30#include <linux/delay.h>
31
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#include <linux/slab.h>
38
39#include <linux/proc_fs.h>
40#include <linux/i2c.h>
41#include <linux/i2c-algo-bit.h>
42#include <linux/videodev2.h>
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/mutex.h>
51#include <linux/io.h>
52#include <media/v4l2-common.h>
53#include <media/bt819.h>
54
55#include "videocodec.h"
56#include "zoran.h"
57#include "zoran_card.h"
58#include "zoran_device.h"
59#include "zoran_procfs.h"
60
61extern const struct zoran_format zoran_formats[];
62
63static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
64module_param_array(card, int, NULL, 0444);
65MODULE_PARM_DESC(card, "Card type");
66
67/*
68 The video mem address of the video card.
69 The driver has a little database for some videocards
70 to determine it from there. If your video card is not in there
71 you have either to give it to the driver as a parameter
72 or set in in a VIDIOCSFBUF ioctl
73 */
74
75static unsigned long vidmem; /* default = 0 - Video memory base address */
76module_param(vidmem, ulong, 0444);
77MODULE_PARM_DESC(vidmem, "Default video memory base address");
78
79/*
80 Default input and video norm at startup of the driver.
81*/
82
83static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
84module_param(default_input, uint, 0444);
85MODULE_PARM_DESC(default_input,
86 "Default input (0=Composite, 1=S-Video, 2=Internal)");
87
88static int default_mux = 1; /* 6 Eyes input selection */
89module_param(default_mux, int, 0644);
90MODULE_PARM_DESC(default_mux,
91 "Default 6 Eyes mux setting (Input selection)");
92
93static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
94module_param(default_norm, int, 0444);
95MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
96
97/* /dev/videoN, -1 for autodetect */
98static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
99module_param_array(video_nr, int, NULL, 0444);
100MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
101
102int v4l_nbufs = 4;
103int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
104module_param(v4l_nbufs, int, 0644);
105MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
106module_param(v4l_bufsize, int, 0644);
107MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
108
109int jpg_nbufs = 32;
110int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
111module_param(jpg_nbufs, int, 0644);
112MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
113module_param(jpg_bufsize, int, 0644);
114MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
115
116int pass_through = 0; /* 1=Pass through TV signal when device is not used */
117 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
118module_param(pass_through, int, 0644);
119MODULE_PARM_DESC(pass_through,
120 "Pass TV signal through to TV-out when idling");
121
122int zr36067_debug = 1;
123module_param_named(debug, zr36067_debug, int, 0644);
124MODULE_PARM_DESC(debug, "Debug level (0-5)");
125
126#define ZORAN_VERSION "0.10.1"
127
128MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
129MODULE_AUTHOR("Serguei Miridonov");
130MODULE_LICENSE("GPL");
131MODULE_VERSION(ZORAN_VERSION);
132
133#define ZR_DEVICE(subven, subdev, data) { \
134 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
135 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
136
137static struct pci_device_id zr36067_pci_tbl[] = {
138 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
139 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
140 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
141 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
142 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
143 {0}
144};
145MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
146
147static unsigned int zoran_num; /* number of cards found */
148
149/* videocodec bus functions ZR36060 */
150static u32
151zr36060_read (struct videocodec *codec,
152 u16 reg)
153{
154 struct zoran *zr = (struct zoran *) codec->master_data->data;
155 __u32 data;
156
157 if (post_office_wait(zr)
158 || post_office_write(zr, 0, 1, reg >> 8)
159 || post_office_write(zr, 0, 2, reg & 0xff)) {
160 return -1;
161 }
162
163 data = post_office_read(zr, 0, 3) & 0xff;
164 return data;
165}
166
167static void
168zr36060_write (struct videocodec *codec,
169 u16 reg,
170 u32 val)
171{
172 struct zoran *zr = (struct zoran *) codec->master_data->data;
173
174 if (post_office_wait(zr)
175 || post_office_write(zr, 0, 1, reg >> 8)
176 || post_office_write(zr, 0, 2, reg & 0xff)) {
177 return;
178 }
179
180 post_office_write(zr, 0, 3, val & 0xff);
181}
182
183/* videocodec bus functions ZR36050 */
184static u32
185zr36050_read (struct videocodec *codec,
186 u16 reg)
187{
188 struct zoran *zr = (struct zoran *) codec->master_data->data;
189 __u32 data;
190
191 if (post_office_wait(zr)
192 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
193 return -1;
194 }
195
196 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
197 return data;
198}
199
200static void
201zr36050_write (struct videocodec *codec,
202 u16 reg,
203 u32 val)
204{
205 struct zoran *zr = (struct zoran *) codec->master_data->data;
206
207 if (post_office_wait(zr)
208 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
209 return;
210 }
211
212 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
213}
214
215/* videocodec bus functions ZR36016 */
216static u32
217zr36016_read (struct videocodec *codec,
218 u16 reg)
219{
220 struct zoran *zr = (struct zoran *) codec->master_data->data;
221 __u32 data;
222
223 if (post_office_wait(zr)) {
224 return -1;
225 }
226
227 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
228 return data;
229}
230
231/* hack for in zoran_device.c */
232void
233zr36016_write (struct videocodec *codec,
234 u16 reg,
235 u32 val)
236{
237 struct zoran *zr = (struct zoran *) codec->master_data->data;
238
239 if (post_office_wait(zr)) {
240 return;
241 }
242
243 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
244}
245
246/*
247 * Board specific information
248 */
249
250static void
251dc10_init (struct zoran *zr)
252{
253 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
254
255 /* Pixel clock selection */
256 GPIO(zr, 4, 0);
257 GPIO(zr, 5, 1);
258 /* Enable the video bus sync signals */
259 GPIO(zr, 7, 0);
260}
261
262static void
263dc10plus_init (struct zoran *zr)
264{
265 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
266}
267
268static void
269buz_init (struct zoran *zr)
270{
271 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
272
273 /* some stuff from Iomega */
274 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
275 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
276 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
277}
278
279static void
280lml33_init (struct zoran *zr)
281{
282 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
283
284 GPIO(zr, 2, 1); // Set Composite input/output
285}
286
287static void
288avs6eyes_init (struct zoran *zr)
289{
290 // AverMedia 6-Eyes original driver by Christer Weinigel
291
292 // Lifted straight from Christer's old driver and
293 // modified slightly by Martin Samuelsson.
294
295 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
296
297 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
298 udelay(2);
299
300 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
301 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
302 GPIO(zr, 2, mux & 1); /* MUX S0 */
303 GPIO(zr, 3, 0); /* /FRAME on */
304 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
305 GPIO(zr, 5, mux & 2); /* MUX S1 */
306 GPIO(zr, 6, 0); /* ? */
307 GPIO(zr, 7, mux & 4); /* MUX S2 */
308
309}
310
311static char *
312codecid_to_modulename (u16 codecid)
313{
314 char *name = NULL;
315
316 switch (codecid) {
317 case CODEC_TYPE_ZR36060:
318 name = "zr36060";
319 break;
320 case CODEC_TYPE_ZR36050:
321 name = "zr36050";
322 break;
323 case CODEC_TYPE_ZR36016:
324 name = "zr36016";
325 break;
326 }
327
328 return name;
329}
330
331// struct tvnorm {
332// u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
333// };
334
335static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
336static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
337static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
338static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
339
340static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
341static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
342
343/* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
344static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
345static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
346
347/* FIXME: I cannot swap U and V in saa7114, so i do one
348 * pixel left shift in zoran (75 -> 74)
349 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
350static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
351static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
352
353/* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
354 * copy Maxim's left shift hack for the 6 Eyes.
355 *
356 * Christer's driver used the unshifted norms, though...
357 * /Sam */
358static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
359static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
360
361static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
362static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
363static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
364static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
365static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
366static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
367static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
368static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
369static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
370static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
371
372static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
373 {
374 .type = DC10_old,
375 .name = "DC10(old)",
376 .i2c_decoder = "vpx3220a",
377 .addrs_decoder = vpx3220_addrs,
378 .video_codec = CODEC_TYPE_ZR36050,
379 .video_vfe = CODEC_TYPE_ZR36016,
380
381 .inputs = 3,
382 .input = {
383 { 1, "Composite" },
384 { 2, "S-Video" },
385 { 0, "Internal/comp" }
386 },
387 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
388 .tvn = {
389 &f50sqpixel_dc10,
390 &f60sqpixel_dc10,
391 &f50sqpixel_dc10
392 },
393 .jpeg_int = 0,
394 .vsync_int = ZR36057_ISR_GIRQ1,
395 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
396 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
397 .gpcs = { -1, 0 },
398 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
399 .gws_not_connected = 0,
400 .input_mux = 0,
401 .init = &dc10_init,
402 }, {
403 .type = DC10_new,
404 .name = "DC10(new)",
405 .i2c_decoder = "saa7110",
406 .addrs_decoder = saa7110_addrs,
407 .i2c_encoder = "adv7175",
408 .addrs_encoder = adv717x_addrs,
409 .video_codec = CODEC_TYPE_ZR36060,
410
411 .inputs = 3,
412 .input = {
413 { 0, "Composite" },
414 { 7, "S-Video" },
415 { 5, "Internal/comp" }
416 },
417 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
418 .tvn = {
419 &f50sqpixel,
420 &f60sqpixel,
421 &f50sqpixel},
422 .jpeg_int = ZR36057_ISR_GIRQ0,
423 .vsync_int = ZR36057_ISR_GIRQ1,
424 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
425 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
426 .gpcs = { -1, 1},
427 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
428 .gws_not_connected = 0,
429 .input_mux = 0,
430 .init = &dc10plus_init,
431 }, {
432 .type = DC10plus,
433 .name = "DC10plus",
434 .i2c_decoder = "saa7110",
435 .addrs_decoder = saa7110_addrs,
436 .i2c_encoder = "adv7175",
437 .addrs_encoder = adv717x_addrs,
438 .video_codec = CODEC_TYPE_ZR36060,
439
440 .inputs = 3,
441 .input = {
442 { 0, "Composite" },
443 { 7, "S-Video" },
444 { 5, "Internal/comp" }
445 },
446 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
447 .tvn = {
448 &f50sqpixel,
449 &f60sqpixel,
450 &f50sqpixel
451 },
452 .jpeg_int = ZR36057_ISR_GIRQ0,
453 .vsync_int = ZR36057_ISR_GIRQ1,
454 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
455 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
456 .gpcs = { -1, 1 },
457 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
458 .gws_not_connected = 0,
459 .input_mux = 0,
460 .init = &dc10plus_init,
461 }, {
462 .type = DC30,
463 .name = "DC30",
464 .i2c_decoder = "vpx3220a",
465 .addrs_decoder = vpx3220_addrs,
466 .i2c_encoder = "adv7175",
467 .addrs_encoder = adv717x_addrs,
468 .video_codec = CODEC_TYPE_ZR36050,
469 .video_vfe = CODEC_TYPE_ZR36016,
470
471 .inputs = 3,
472 .input = {
473 { 1, "Composite" },
474 { 2, "S-Video" },
475 { 0, "Internal/comp" }
476 },
477 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
478 .tvn = {
479 &f50sqpixel_dc10,
480 &f60sqpixel_dc10,
481 &f50sqpixel_dc10
482 },
483 .jpeg_int = 0,
484 .vsync_int = ZR36057_ISR_GIRQ1,
485 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
486 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
487 .gpcs = { -1, 0 },
488 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
489 .gws_not_connected = 0,
490 .input_mux = 0,
491 .init = &dc10_init,
492 }, {
493 .type = DC30plus,
494 .name = "DC30plus",
495 .i2c_decoder = "vpx3220a",
496 .addrs_decoder = vpx3220_addrs,
497 .i2c_encoder = "adv7175",
498 .addrs_encoder = adv717x_addrs,
499 .video_codec = CODEC_TYPE_ZR36050,
500 .video_vfe = CODEC_TYPE_ZR36016,
501
502 .inputs = 3,
503 .input = {
504 { 1, "Composite" },
505 { 2, "S-Video" },
506 { 0, "Internal/comp" }
507 },
508 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
509 .tvn = {
510 &f50sqpixel_dc10,
511 &f60sqpixel_dc10,
512 &f50sqpixel_dc10
513 },
514 .jpeg_int = 0,
515 .vsync_int = ZR36057_ISR_GIRQ1,
516 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
517 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
518 .gpcs = { -1, 0 },
519 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
520 .gws_not_connected = 0,
521 .input_mux = 0,
522 .init = &dc10_init,
523 }, {
524 .type = LML33,
525 .name = "LML33",
526 .i2c_decoder = "bt819a",
527 .addrs_decoder = bt819_addrs,
528 .i2c_encoder = "bt856",
529 .addrs_encoder = bt856_addrs,
530 .video_codec = CODEC_TYPE_ZR36060,
531
532 .inputs = 2,
533 .input = {
534 { 0, "Composite" },
535 { 7, "S-Video" }
536 },
537 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
538 .tvn = {
539 &f50ccir601_lml33,
540 &f60ccir601_lml33,
541 NULL
542 },
543 .jpeg_int = ZR36057_ISR_GIRQ1,
544 .vsync_int = ZR36057_ISR_GIRQ0,
545 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
546 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
547 .gpcs = { 3, 1 },
548 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
549 .gws_not_connected = 1,
550 .input_mux = 0,
551 .init = &lml33_init,
552 }, {
553 .type = LML33R10,
554 .name = "LML33R10",
555 .i2c_decoder = "saa7114",
556 .addrs_decoder = saa7114_addrs,
557 .i2c_encoder = "adv7170",
558 .addrs_encoder = adv717x_addrs,
559 .video_codec = CODEC_TYPE_ZR36060,
560
561 .inputs = 2,
562 .input = {
563 { 0, "Composite" },
564 { 7, "S-Video" }
565 },
566 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
567 .tvn = {
568 &f50ccir601_lm33r10,
569 &f60ccir601_lm33r10,
570 NULL
571 },
572 .jpeg_int = ZR36057_ISR_GIRQ1,
573 .vsync_int = ZR36057_ISR_GIRQ0,
574 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
575 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
576 .gpcs = { 3, 1 },
577 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
578 .gws_not_connected = 1,
579 .input_mux = 0,
580 .init = &lml33_init,
581 }, {
582 .type = BUZ,
583 .name = "Buz",
584 .i2c_decoder = "saa7111",
585 .addrs_decoder = saa7111_addrs,
586 .i2c_encoder = "saa7185",
587 .addrs_encoder = saa7185_addrs,
588 .video_codec = CODEC_TYPE_ZR36060,
589
590 .inputs = 2,
591 .input = {
592 { 3, "Composite" },
593 { 7, "S-Video" }
594 },
595 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
596 .tvn = {
597 &f50ccir601,
598 &f60ccir601,
599 &f50ccir601
600 },
601 .jpeg_int = ZR36057_ISR_GIRQ1,
602 .vsync_int = ZR36057_ISR_GIRQ0,
603 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
604 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
605 .gpcs = { 3, 1 },
606 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
607 .gws_not_connected = 1,
608 .input_mux = 0,
609 .init = &buz_init,
610 }, {
611 .type = AVS6EYES,
612 .name = "6-Eyes",
613 /* AverMedia chose not to brand the 6-Eyes. Thus it
614 can't be autodetected, and requires card=x. */
615 .i2c_decoder = "ks0127",
616 .addrs_decoder = ks0127_addrs,
617 .i2c_encoder = "bt866",
618 .addrs_encoder = bt866_addrs,
619 .video_codec = CODEC_TYPE_ZR36060,
620
621 .inputs = 10,
622 .input = {
623 { 0, "Composite 1" },
624 { 1, "Composite 2" },
625 { 2, "Composite 3" },
626 { 4, "Composite 4" },
627 { 5, "Composite 5" },
628 { 6, "Composite 6" },
629 { 8, "S-Video 1" },
630 { 9, "S-Video 2" },
631 {10, "S-Video 3" },
632 {15, "YCbCr" }
633 },
634 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
635 .tvn = {
636 &f50ccir601_avs6eyes,
637 &f60ccir601_avs6eyes,
638 NULL
639 },
640 .jpeg_int = ZR36057_ISR_GIRQ1,
641 .vsync_int = ZR36057_ISR_GIRQ0,
642 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
643 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
644 .gpcs = { 3, 1 }, // Validity unknown /Sam
645 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
646 .gws_not_connected = 1,
647 .input_mux = 1,
648 .init = &avs6eyes_init,
649 }
650
651};
652
653/*
654 * I2C functions
655 */
656/* software I2C functions */
657static int
658zoran_i2c_getsda (void *data)
659{
660 struct zoran *zr = (struct zoran *) data;
661
662 return (btread(ZR36057_I2CBR) >> 1) & 1;
663}
664
665static int
666zoran_i2c_getscl (void *data)
667{
668 struct zoran *zr = (struct zoran *) data;
669
670 return btread(ZR36057_I2CBR) & 1;
671}
672
673static void
674zoran_i2c_setsda (void *data,
675 int state)
676{
677 struct zoran *zr = (struct zoran *) data;
678
679 if (state)
680 zr->i2cbr |= 2;
681 else
682 zr->i2cbr &= ~2;
683 btwrite(zr->i2cbr, ZR36057_I2CBR);
684}
685
686static void
687zoran_i2c_setscl (void *data,
688 int state)
689{
690 struct zoran *zr = (struct zoran *) data;
691
692 if (state)
693 zr->i2cbr |= 1;
694 else
695 zr->i2cbr &= ~1;
696 btwrite(zr->i2cbr, ZR36057_I2CBR);
697}
698
699static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
700 .setsda = zoran_i2c_setsda,
701 .setscl = zoran_i2c_setscl,
702 .getsda = zoran_i2c_getsda,
703 .getscl = zoran_i2c_getscl,
704 .udelay = 10,
705 .timeout = 100,
706};
707
708static int
709zoran_register_i2c (struct zoran *zr)
710{
711 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
712 sizeof(struct i2c_algo_bit_data));
713 zr->i2c_algo.data = zr;
714 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
715 sizeof(zr->i2c_adapter.name));
716 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
717 zr->i2c_adapter.algo_data = &zr->i2c_algo;
718 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
719 return i2c_bit_add_bus(&zr->i2c_adapter);
720}
721
722static void
723zoran_unregister_i2c (struct zoran *zr)
724{
725 i2c_del_adapter(&zr->i2c_adapter);
726}
727
728/* Check a zoran_params struct for correctness, insert default params */
729
730int
731zoran_check_jpg_settings (struct zoran *zr,
732 struct zoran_jpg_settings *settings,
733 int try)
734{
735 int err = 0, err0 = 0;
736
737 dprintk(4,
738 KERN_DEBUG
739 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
740 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
741 settings->VerDcm, settings->TmpDcm);
742 dprintk(4,
743 KERN_DEBUG
744 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
745 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
746 settings->img_width, settings->img_height);
747 /* Check decimation, set default values for decimation = 1, 2, 4 */
748 switch (settings->decimation) {
749 case 1:
750
751 settings->HorDcm = 1;
752 settings->VerDcm = 1;
753 settings->TmpDcm = 1;
754 settings->field_per_buff = 2;
755 settings->img_x = 0;
756 settings->img_y = 0;
757 settings->img_width = BUZ_MAX_WIDTH;
758 settings->img_height = BUZ_MAX_HEIGHT / 2;
759 break;
760 case 2:
761
762 settings->HorDcm = 2;
763 settings->VerDcm = 1;
764 settings->TmpDcm = 2;
765 settings->field_per_buff = 1;
766 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
767 settings->img_y = 0;
768 settings->img_width =
769 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
770 settings->img_height = BUZ_MAX_HEIGHT / 2;
771 break;
772 case 4:
773
774 if (zr->card.type == DC10_new) {
775 dprintk(1,
776 KERN_DEBUG
777 "%s: %s - HDec by 4 is not supported on the DC10\n",
778 ZR_DEVNAME(zr), __func__);
779 err0++;
780 break;
781 }
782
783 settings->HorDcm = 4;
784 settings->VerDcm = 2;
785 settings->TmpDcm = 2;
786 settings->field_per_buff = 1;
787 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
788 settings->img_y = 0;
789 settings->img_width =
790 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
791 settings->img_height = BUZ_MAX_HEIGHT / 2;
792 break;
793 case 0:
794
795 /* We have to check the data the user has set */
796
797 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
798 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
799 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
800 err0++;
801 }
802 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
803 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
804 err0++;
805 }
806 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
807 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
808 err0++;
809 }
810 if (settings->field_per_buff != 1 &&
811 settings->field_per_buff != 2) {
812 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
813 err0++;
814 }
815 if (settings->img_x < 0) {
816 settings->img_x = 0;
817 err0++;
818 }
819 if (settings->img_y < 0) {
820 settings->img_y = 0;
821 err0++;
822 }
823 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
824 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
825 err0++;
826 }
827 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
828 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
829 err0++;
830 }
831 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
832 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
833 err0++;
834 }
835 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
836 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
837 err0++;
838 }
839 if (settings->img_width % (16 * settings->HorDcm) != 0) {
840 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
841 if (settings->img_width == 0)
842 settings->img_width = 16 * settings->HorDcm;
843 err0++;
844 }
845 if (settings->img_height % (8 * settings->VerDcm) != 0) {
846 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
847 if (settings->img_height == 0)
848 settings->img_height = 8 * settings->VerDcm;
849 err0++;
850 }
851
852 if (!try && err0) {
853 dprintk(1,
854 KERN_ERR
855 "%s: %s - error in params for decimation = 0\n",
856 ZR_DEVNAME(zr), __func__);
857 err++;
858 }
859 break;
860 default:
861 dprintk(1,
862 KERN_ERR
863 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
864 ZR_DEVNAME(zr), __func__, settings->decimation);
865 err++;
866 break;
867 }
868
869 if (settings->jpg_comp.quality > 100)
870 settings->jpg_comp.quality = 100;
871 if (settings->jpg_comp.quality < 5)
872 settings->jpg_comp.quality = 5;
873 if (settings->jpg_comp.APPn < 0)
874 settings->jpg_comp.APPn = 0;
875 if (settings->jpg_comp.APPn > 15)
876 settings->jpg_comp.APPn = 15;
877 if (settings->jpg_comp.APP_len < 0)
878 settings->jpg_comp.APP_len = 0;
879 if (settings->jpg_comp.APP_len > 60)
880 settings->jpg_comp.APP_len = 60;
881 if (settings->jpg_comp.COM_len < 0)
882 settings->jpg_comp.COM_len = 0;
883 if (settings->jpg_comp.COM_len > 60)
884 settings->jpg_comp.COM_len = 60;
885 if (err)
886 return -EINVAL;
887 return 0;
888}
889
890void
891zoran_open_init_params (struct zoran *zr)
892{
893 int i;
894
895 /* User must explicitly set a window */
896 zr->overlay_settings.is_set = 0;
897 zr->overlay_mask = NULL;
898 zr->overlay_active = ZORAN_FREE;
899
900 zr->v4l_memgrab_active = 0;
901 zr->v4l_overlay_active = 0;
902 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
903 zr->v4l_grab_seq = 0;
904 zr->v4l_settings.width = 192;
905 zr->v4l_settings.height = 144;
906 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
907 zr->v4l_settings.bytesperline =
908 zr->v4l_settings.width *
909 ((zr->v4l_settings.format->depth + 7) / 8);
910
911 /* DMA ring stuff for V4L */
912 zr->v4l_pend_tail = 0;
913 zr->v4l_pend_head = 0;
914 zr->v4l_sync_tail = 0;
915 zr->v4l_buffers.active = ZORAN_FREE;
916 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
917 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
918 }
919 zr->v4l_buffers.allocated = 0;
920
921 for (i = 0; i < BUZ_MAX_FRAME; i++) {
922 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
923 }
924 zr->jpg_buffers.active = ZORAN_FREE;
925 zr->jpg_buffers.allocated = 0;
926 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
927 zr->jpg_settings.decimation = 1;
928 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
929 if (zr->card.type != BUZ)
930 zr->jpg_settings.odd_even = 1;
931 else
932 zr->jpg_settings.odd_even = 0;
933 zr->jpg_settings.jpg_comp.APPn = 0;
934 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
935 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
936 sizeof(zr->jpg_settings.jpg_comp.APP_data));
937 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
938 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
939 sizeof(zr->jpg_settings.jpg_comp.COM_data));
940 zr->jpg_settings.jpg_comp.jpeg_markers =
941 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
942 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
943 if (i)
944 dprintk(1, KERN_ERR "%s: %s internal error\n",
945 ZR_DEVNAME(zr), __func__);
946
947 clear_interrupt_counters(zr);
948 zr->testing = 0;
949}
950
951static void __devinit
952test_interrupts (struct zoran *zr)
953{
954 DEFINE_WAIT(wait);
955 int timeout, icr;
956
957 clear_interrupt_counters(zr);
958
959 zr->testing = 1;
960 icr = btread(ZR36057_ICR);
961 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
962 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
963 timeout = schedule_timeout(HZ);
964 finish_wait(&zr->test_q, &wait);
965 btwrite(0, ZR36057_ICR);
966 btwrite(0x78000000, ZR36057_ISR);
967 zr->testing = 0;
968 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
969 if (timeout) {
970 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
971 }
972 if (zr36067_debug > 1)
973 print_interrupts(zr);
974 btwrite(icr, ZR36057_ICR);
975}
976
977static int __devinit
978zr36057_init (struct zoran *zr)
979{
980 int j, err;
981
982 dprintk(1,
983 KERN_INFO
984 "%s: %s - initializing card[%d], zr=%p\n",
985 ZR_DEVNAME(zr), __func__, zr->id, zr);
986
987 /* default setup of all parameters which will persist between opens */
988 zr->user = 0;
989
990 init_waitqueue_head(&zr->v4l_capq);
991 init_waitqueue_head(&zr->jpg_capq);
992 init_waitqueue_head(&zr->test_q);
993 zr->jpg_buffers.allocated = 0;
994 zr->v4l_buffers.allocated = 0;
995
996 zr->vbuf_base = (void *) vidmem;
997 zr->vbuf_width = 0;
998 zr->vbuf_height = 0;
999 zr->vbuf_depth = 0;
1000 zr->vbuf_bytesperline = 0;
1001
1002 /* Avoid nonsense settings from user for default input/norm */
1003 if (default_norm < 0 || default_norm > 2)
1004 default_norm = 0;
1005 if (default_norm == 0) {
1006 zr->norm = V4L2_STD_PAL;
1007 zr->timing = zr->card.tvn[0];
1008 } else if (default_norm == 1) {
1009 zr->norm = V4L2_STD_NTSC;
1010 zr->timing = zr->card.tvn[1];
1011 } else {
1012 zr->norm = V4L2_STD_SECAM;
1013 zr->timing = zr->card.tvn[2];
1014 }
1015 if (zr->timing == NULL) {
1016 dprintk(1,
1017 KERN_WARNING
1018 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1019 ZR_DEVNAME(zr), __func__);
1020 zr->norm = V4L2_STD_PAL;
1021 zr->timing = zr->card.tvn[0];
1022 }
1023
1024 if (default_input > zr->card.inputs-1) {
1025 dprintk(1,
1026 KERN_WARNING
1027 "%s: default_input value %d out of range (0-%d)\n",
1028 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1029 default_input = 0;
1030 }
1031 zr->input = default_input;
1032
1033 /* default setup (will be repeated at every open) */
1034 zoran_open_init_params(zr);
1035
1036 /* allocate memory *before* doing anything to the hardware
1037 * in case allocation fails */
1038 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1039 zr->video_dev = video_device_alloc();
1040 if (!zr->stat_com || !zr->video_dev) {
1041 dprintk(1,
1042 KERN_ERR
1043 "%s: %s - kmalloc (STAT_COM) failed\n",
1044 ZR_DEVNAME(zr), __func__);
1045 err = -ENOMEM;
1046 goto exit_free;
1047 }
1048 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1049 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1050 }
1051
1052 /*
1053 * Now add the template and register the device unit.
1054 */
1055 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1056 zr->video_dev->parent = &zr->pci_dev->dev;
1057 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1058 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1059 if (err < 0)
1060 goto exit_free;
1061 video_set_drvdata(zr->video_dev, zr);
1062
1063 zoran_init_hardware(zr);
1064 if (zr36067_debug > 2)
1065 detect_guest_activity(zr);
1066 test_interrupts(zr);
1067 if (!pass_through) {
1068 decoder_call(zr, video, s_stream, 0);
1069 encoder_call(zr, video, s_routing, 2, 0, 0);
1070 }
1071
1072 zr->zoran_proc = NULL;
1073 zr->initialized = 1;
1074 return 0;
1075
1076exit_free:
1077 kfree(zr->stat_com);
1078 kfree(zr->video_dev);
1079 return err;
1080}
1081
1082static void __devexit zoran_remove(struct pci_dev *pdev)
1083{
1084 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1085 struct zoran *zr = to_zoran(v4l2_dev);
1086
1087 if (!zr->initialized)
1088 goto exit_free;
1089
1090 /* unregister videocodec bus */
1091 if (zr->codec) {
1092 struct videocodec_master *master = zr->codec->master_data;
1093
1094 videocodec_detach(zr->codec);
1095 kfree(master);
1096 }
1097 if (zr->vfe) {
1098 struct videocodec_master *master = zr->vfe->master_data;
1099
1100 videocodec_detach(zr->vfe);
1101 kfree(master);
1102 }
1103
1104 /* unregister i2c bus */
1105 zoran_unregister_i2c(zr);
1106 /* disable PCI bus-mastering */
1107 zoran_set_pci_master(zr, 0);
1108 /* put chip into reset */
1109 btwrite(0, ZR36057_SPGPPCR);
1110 free_irq(zr->pci_dev->irq, zr);
1111 /* unmap and free memory */
1112 kfree(zr->stat_com);
1113 zoran_proc_cleanup(zr);
1114 iounmap(zr->zr36057_mem);
1115 pci_disable_device(zr->pci_dev);
1116 video_unregister_device(zr->video_dev);
1117exit_free:
1118 v4l2_device_unregister(&zr->v4l2_dev);
1119 kfree(zr);
1120}
1121
1122void
1123zoran_vdev_release (struct video_device *vdev)
1124{
1125 kfree(vdev);
1126}
1127
1128static struct videocodec_master * __devinit
1129zoran_setup_videocodec (struct zoran *zr,
1130 int type)
1131{
1132 struct videocodec_master *m = NULL;
1133
1134 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1135 if (!m) {
1136 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1137 ZR_DEVNAME(zr), __func__);
1138 return m;
1139 }
1140
1141 /* magic and type are unused for master struct. Makes sense only at
1142 codec structs.
1143 In the past, .type were initialized to the old V4L1 .hardware
1144 value, as VID_HARDWARE_ZR36067
1145 */
1146 m->magic = 0L;
1147 m->type = 0;
1148
1149 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1150 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1151 m->data = zr;
1152
1153 switch (type)
1154 {
1155 case CODEC_TYPE_ZR36060:
1156 m->readreg = zr36060_read;
1157 m->writereg = zr36060_write;
1158 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1159 break;
1160 case CODEC_TYPE_ZR36050:
1161 m->readreg = zr36050_read;
1162 m->writereg = zr36050_write;
1163 m->flags |= CODEC_FLAG_JPEG;
1164 break;
1165 case CODEC_TYPE_ZR36016:
1166 m->readreg = zr36016_read;
1167 m->writereg = zr36016_write;
1168 m->flags |= CODEC_FLAG_VFE;
1169 break;
1170 }
1171
1172 return m;
1173}
1174
1175static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1176{
1177 struct zoran *zr = to_zoran(sd->v4l2_dev);
1178
1179 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1180 LML33 card uses GPIO(7) for that. */
1181 if (cmd == BT819_FIFO_RESET_LOW)
1182 GPIO(zr, 7, 0);
1183 else if (cmd == BT819_FIFO_RESET_HIGH)
1184 GPIO(zr, 7, 1);
1185}
1186
1187/*
1188 * Scan for a Buz card (actually for the PCI controller ZR36057),
1189 * request the irq and map the io memory
1190 */
1191static int __devinit zoran_probe(struct pci_dev *pdev,
1192 const struct pci_device_id *ent)
1193{
1194 unsigned char latency, need_latency;
1195 struct zoran *zr;
1196 int result;
1197 struct videocodec_master *master_vfe = NULL;
1198 struct videocodec_master *master_codec = NULL;
1199 int card_num;
1200 char *codec_name, *vfe_name;
1201 unsigned int nr;
1202
1203
1204 nr = zoran_num++;
1205 if (nr >= BUZ_MAX) {
1206 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1207 ZORAN_NAME, BUZ_MAX);
1208 return -ENOENT;
1209 }
1210
1211 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1212 if (!zr) {
1213 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1214 ZORAN_NAME, __func__);
1215 return -ENOMEM;
1216 }
1217 zr->v4l2_dev.notify = zoran_subdev_notify;
1218 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1219 goto zr_free_mem;
1220 zr->pci_dev = pdev;
1221 zr->id = nr;
1222 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1223 spin_lock_init(&zr->spinlock);
1224 mutex_init(&zr->resource_lock);
1225 mutex_init(&zr->other_lock);
1226 if (pci_enable_device(pdev))
1227 goto zr_unreg;
1228 zr->revision = zr->pci_dev->revision;
1229
1230 dprintk(1,
1231 KERN_INFO
1232 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1233 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1234 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1235 if (zr->revision >= 2) {
1236 dprintk(1,
1237 KERN_INFO
1238 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1239 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1240 zr->pci_dev->subsystem_device);
1241 }
1242
1243 /* Use auto-detected card type? */
1244 if (card[nr] == -1) {
1245 if (zr->revision < 2) {
1246 dprintk(1,
1247 KERN_ERR
1248 "%s: No card type specified, please use the card=X module parameter\n",
1249 ZR_DEVNAME(zr));
1250 dprintk(1,
1251 KERN_ERR
1252 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1253 ZR_DEVNAME(zr));
1254 goto zr_unreg;
1255 }
1256
1257 card_num = ent->driver_data;
1258 if (card_num >= NUM_CARDS) {
1259 dprintk(1,
1260 KERN_ERR
1261 "%s: Unknown card, try specifying card=X module parameter\n",
1262 ZR_DEVNAME(zr));
1263 goto zr_unreg;
1264 }
1265 dprintk(3,
1266 KERN_DEBUG
1267 "%s: %s() - card %s detected\n",
1268 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1269 } else {
1270 card_num = card[nr];
1271 if (card_num >= NUM_CARDS || card_num < 0) {
1272 dprintk(1,
1273 KERN_ERR
1274 "%s: User specified card type %d out of range (0 .. %d)\n",
1275 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1276 goto zr_unreg;
1277 }
1278 }
1279
1280 /* even though we make this a non pointer and thus
1281 * theoretically allow for making changes to this struct
1282 * on a per-individual card basis at runtime, this is
1283 * strongly discouraged. This structure is intended to
1284 * keep general card information, no settings or anything */
1285 zr->card = zoran_cards[card_num];
1286 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1287 "%s[%u]", zr->card.name, zr->id);
1288
1289 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1290 if (!zr->zr36057_mem) {
1291 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1292 ZR_DEVNAME(zr), __func__);
1293 goto zr_unreg;
1294 }
1295
1296 result = request_irq(zr->pci_dev->irq, zoran_irq,
1297 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1298 if (result < 0) {
1299 if (result == -EINVAL) {
1300 dprintk(1,
1301 KERN_ERR
1302 "%s: %s - bad irq number or handler\n",
1303 ZR_DEVNAME(zr), __func__);
1304 } else if (result == -EBUSY) {
1305 dprintk(1,
1306 KERN_ERR
1307 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1308 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1309 } else {
1310 dprintk(1,
1311 KERN_ERR
1312 "%s: %s - can't assign irq, error code %d\n",
1313 ZR_DEVNAME(zr), __func__, result);
1314 }
1315 goto zr_unmap;
1316 }
1317
1318 /* set PCI latency timer */
1319 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1320 &latency);
1321 need_latency = zr->revision > 1 ? 32 : 48;
1322 if (latency != need_latency) {
1323 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1324 ZR_DEVNAME(zr), latency, need_latency);
1325 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1326 need_latency);
1327 }
1328
1329 zr36057_restart(zr);
1330 /* i2c */
1331 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1332 ZR_DEVNAME(zr));
1333
1334 if (zoran_register_i2c(zr) < 0) {
1335 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1336 ZR_DEVNAME(zr), __func__);
1337 goto zr_free_irq;
1338 }
1339
1340 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1341 &zr->i2c_adapter, zr->card.i2c_decoder,
1342 0, zr->card.addrs_decoder);
1343
1344 if (zr->card.i2c_encoder)
1345 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346 &zr->i2c_adapter, zr->card.i2c_encoder,
1347 0, zr->card.addrs_encoder);
1348
1349 dprintk(2,
1350 KERN_INFO "%s: Initializing videocodec bus...\n",
1351 ZR_DEVNAME(zr));
1352
1353 if (zr->card.video_codec) {
1354 codec_name = codecid_to_modulename(zr->card.video_codec);
1355 if (codec_name) {
1356 result = request_module(codec_name);
1357 if (result) {
1358 dprintk(1,
1359 KERN_ERR
1360 "%s: failed to load modules %s: %d\n",
1361 ZR_DEVNAME(zr), codec_name, result);
1362 }
1363 }
1364 }
1365 if (zr->card.video_vfe) {
1366 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1367 if (vfe_name) {
1368 result = request_module(vfe_name);
1369 if (result < 0) {
1370 dprintk(1,
1371 KERN_ERR
1372 "%s: failed to load modules %s: %d\n",
1373 ZR_DEVNAME(zr), vfe_name, result);
1374 }
1375 }
1376 }
1377
1378 /* reset JPEG codec */
1379 jpeg_codec_sleep(zr, 1);
1380 jpeg_codec_reset(zr);
1381 /* video bus enabled */
1382 /* display codec revision */
1383 if (zr->card.video_codec != 0) {
1384 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1385 if (!master_codec)
1386 goto zr_unreg_i2c;
1387 zr->codec = videocodec_attach(master_codec);
1388 if (!zr->codec) {
1389 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1390 ZR_DEVNAME(zr), __func__);
1391 goto zr_free_codec;
1392 }
1393 if (zr->codec->type != zr->card.video_codec) {
1394 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1395 ZR_DEVNAME(zr), __func__);
1396 goto zr_detach_codec;
1397 }
1398 }
1399 if (zr->card.video_vfe != 0) {
1400 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1401 if (!master_vfe)
1402 goto zr_detach_codec;
1403 zr->vfe = videocodec_attach(master_vfe);
1404 if (!zr->vfe) {
1405 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1406 ZR_DEVNAME(zr), __func__);
1407 goto zr_free_vfe;
1408 }
1409 if (zr->vfe->type != zr->card.video_vfe) {
1410 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1411 ZR_DEVNAME(zr), __func__);
1412 goto zr_detach_vfe;
1413 }
1414 }
1415
1416 /* take care of Natoma chipset and a revision 1 zr36057 */
1417 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1418 zr->jpg_buffers.need_contiguous = 1;
1419 dprintk(1, KERN_INFO
1420 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1421 ZR_DEVNAME(zr));
1422 }
1423
1424 if (zr36057_init(zr) < 0)
1425 goto zr_detach_vfe;
1426
1427 zoran_proc_init(zr);
1428
1429 return 0;
1430
1431zr_detach_vfe:
1432 videocodec_detach(zr->vfe);
1433zr_free_vfe:
1434 kfree(master_vfe);
1435zr_detach_codec:
1436 videocodec_detach(zr->codec);
1437zr_free_codec:
1438 kfree(master_codec);
1439zr_unreg_i2c:
1440 zoran_unregister_i2c(zr);
1441zr_free_irq:
1442 btwrite(0, ZR36057_SPGPPCR);
1443 free_irq(zr->pci_dev->irq, zr);
1444zr_unmap:
1445 iounmap(zr->zr36057_mem);
1446zr_unreg:
1447 v4l2_device_unregister(&zr->v4l2_dev);
1448zr_free_mem:
1449 kfree(zr);
1450
1451 return -ENODEV;
1452}
1453
1454static struct pci_driver zoran_driver = {
1455 .name = "zr36067",
1456 .id_table = zr36067_pci_tbl,
1457 .probe = zoran_probe,
1458 .remove = __devexit_p(zoran_remove),
1459};
1460
1461static int __init zoran_init(void)
1462{
1463 int res;
1464
1465 printk(KERN_INFO "Zoran MJPEG board driver version %s\n",
1466 ZORAN_VERSION);
1467
1468 /* check the parameters we have been given, adjust if necessary */
1469 if (v4l_nbufs < 2)
1470 v4l_nbufs = 2;
1471 if (v4l_nbufs > VIDEO_MAX_FRAME)
1472 v4l_nbufs = VIDEO_MAX_FRAME;
1473 /* The user specfies the in KB, we want them in byte
1474 * (and page aligned) */
1475 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1476 if (v4l_bufsize < 32768)
1477 v4l_bufsize = 32768;
1478 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1479 if (v4l_bufsize > 2048 * 1024)
1480 v4l_bufsize = 2048 * 1024;
1481 if (jpg_nbufs < 4)
1482 jpg_nbufs = 4;
1483 if (jpg_nbufs > BUZ_MAX_FRAME)
1484 jpg_nbufs = BUZ_MAX_FRAME;
1485 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1486 if (jpg_bufsize < 8192)
1487 jpg_bufsize = 8192;
1488 if (jpg_bufsize > (512 * 1024))
1489 jpg_bufsize = 512 * 1024;
1490 /* Use parameter for vidmem or try to find a video card */
1491 if (vidmem) {
1492 dprintk(1,
1493 KERN_INFO
1494 "%s: Using supplied video memory base address @ 0x%lx\n",
1495 ZORAN_NAME, vidmem);
1496 }
1497
1498 /* some mainboards might not do PCI-PCI data transfer well */
1499 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1500 dprintk(1,
1501 KERN_WARNING
1502 "%s: chipset does not support reliable PCI-PCI DMA\n",
1503 ZORAN_NAME);
1504 }
1505
1506 res = pci_register_driver(&zoran_driver);
1507 if (res) {
1508 dprintk(1,
1509 KERN_ERR
1510 "%s: Unable to register ZR36057 driver\n",
1511 ZORAN_NAME);
1512 return res;
1513 }
1514
1515 return 0;
1516}
1517
1518static void __exit zoran_exit(void)
1519{
1520 pci_unregister_driver(&zoran_driver);
1521}
1522
1523module_init(zoran_init);
1524module_exit(zoran_exit);