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[media] v4l: kill the BKL
[linux-2.6-xlnx.git] / drivers / media / video / zoran / zoran_card.c
blob7e6d62467eaaa7bd1e913d5ce104608005ccbc58
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
61 extern const struct zoran_format zoran_formats[];
62
63 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
64 module_param_array(card, int, NULL, 0444);
65 MODULE_PARM_DESC(card, "Card type");
66
67 static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
68 module_param_array(encoder, int, NULL, 0444);
69 MODULE_PARM_DESC(encoder, "Video encoder chip");
70
71 static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
72 module_param_array(decoder, int, NULL, 0444);
73 MODULE_PARM_DESC(decoder, "Video decoder chip");
74
75 /*
76 The video mem address of the video card.
77 The driver has a little database for some videocards
78 to determine it from there. If your video card is not in there
79 you have either to give it to the driver as a parameter
80 or set in in a VIDIOCSFBUF ioctl
81 */
82
83 static unsigned long vidmem; /* default = 0 - Video memory base address */
84 module_param(vidmem, ulong, 0444);
85 MODULE_PARM_DESC(vidmem, "Default video memory base address");
86
87 /*
88 Default input and video norm at startup of the driver.
89 */
90
91 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
92 module_param(default_input, uint, 0444);
93 MODULE_PARM_DESC(default_input,
94 "Default input (0=Composite, 1=S-Video, 2=Internal)");
95
96 static int default_mux = 1; /* 6 Eyes input selection */
97 module_param(default_mux, int, 0644);
98 MODULE_PARM_DESC(default_mux,
99 "Default 6 Eyes mux setting (Input selection)");
100
101 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
102 module_param(default_norm, int, 0444);
103 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
104
105 /* /dev/videoN, -1 for autodetect */
106 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
107 module_param_array(video_nr, int, NULL, 0444);
108 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
109
110 int v4l_nbufs = 4;
111 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
112 module_param(v4l_nbufs, int, 0644);
113 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
114 module_param(v4l_bufsize, int, 0644);
115 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
116
117 int jpg_nbufs = 32;
118 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
119 module_param(jpg_nbufs, int, 0644);
120 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
121 module_param(jpg_bufsize, int, 0644);
122 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
123
124 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
125 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
126 module_param(pass_through, int, 0644);
127 MODULE_PARM_DESC(pass_through,
128 "Pass TV signal through to TV-out when idling");
129
130 int zr36067_debug = 1;
131 module_param_named(debug, zr36067_debug, int, 0644);
132 MODULE_PARM_DESC(debug, "Debug level (0-5)");
133
134 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
135 MODULE_AUTHOR("Serguei Miridonov");
136 MODULE_LICENSE("GPL");
137
138 #define ZR_DEVICE(subven, subdev, data) { \
139 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
140 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
141
142 static struct pci_device_id zr36067_pci_tbl[] = {
143 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
144 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
145 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
146 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
147 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
148 {0}
149 };
150 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
151
152 static unsigned int zoran_num; /* number of cards found */
153
154 /* videocodec bus functions ZR36060 */
155 static u32
156 zr36060_read (struct videocodec *codec,
157 u16 reg)
158 {
159 struct zoran *zr = (struct zoran *) codec->master_data->data;
160 __u32 data;
161
162 if (post_office_wait(zr)
163 || post_office_write(zr, 0, 1, reg >> 8)
164 || post_office_write(zr, 0, 2, reg & 0xff)) {
165 return -1;
166 }
167
168 data = post_office_read(zr, 0, 3) & 0xff;
169 return data;
170 }
171
172 static void
173 zr36060_write (struct videocodec *codec,
174 u16 reg,
175 u32 val)
176 {
177 struct zoran *zr = (struct zoran *) codec->master_data->data;
178
179 if (post_office_wait(zr)
180 || post_office_write(zr, 0, 1, reg >> 8)
181 || post_office_write(zr, 0, 2, reg & 0xff)) {
182 return;
183 }
184
185 post_office_write(zr, 0, 3, val & 0xff);
186 }
187
188 /* videocodec bus functions ZR36050 */
189 static u32
190 zr36050_read (struct videocodec *codec,
191 u16 reg)
192 {
193 struct zoran *zr = (struct zoran *) codec->master_data->data;
194 __u32 data;
195
196 if (post_office_wait(zr)
197 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
198 return -1;
199 }
200
201 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
202 return data;
203 }
204
205 static void
206 zr36050_write (struct videocodec *codec,
207 u16 reg,
208 u32 val)
209 {
210 struct zoran *zr = (struct zoran *) codec->master_data->data;
211
212 if (post_office_wait(zr)
213 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
214 return;
215 }
216
217 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
218 }
219
220 /* videocodec bus functions ZR36016 */
221 static u32
222 zr36016_read (struct videocodec *codec,
223 u16 reg)
224 {
225 struct zoran *zr = (struct zoran *) codec->master_data->data;
226 __u32 data;
227
228 if (post_office_wait(zr)) {
229 return -1;
230 }
231
232 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
233 return data;
234 }
235
236 /* hack for in zoran_device.c */
237 void
238 zr36016_write (struct videocodec *codec,
239 u16 reg,
240 u32 val)
241 {
242 struct zoran *zr = (struct zoran *) codec->master_data->data;
243
244 if (post_office_wait(zr)) {
245 return;
246 }
247
248 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
249 }
250
251 /*
252 * Board specific information
253 */
254
255 static void
256 dc10_init (struct zoran *zr)
257 {
258 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
259
260 /* Pixel clock selection */
261 GPIO(zr, 4, 0);
262 GPIO(zr, 5, 1);
263 /* Enable the video bus sync signals */
264 GPIO(zr, 7, 0);
265 }
266
267 static void
268 dc10plus_init (struct zoran *zr)
269 {
270 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
271 }
272
273 static void
274 buz_init (struct zoran *zr)
275 {
276 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
277
278 /* some stuff from Iomega */
279 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
280 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
281 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
282 }
283
284 static void
285 lml33_init (struct zoran *zr)
286 {
287 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
288
289 GPIO(zr, 2, 1); // Set Composite input/output
290 }
291
292 static void
293 avs6eyes_init (struct zoran *zr)
294 {
295 // AverMedia 6-Eyes original driver by Christer Weinigel
296
297 // Lifted straight from Christer's old driver and
298 // modified slightly by Martin Samuelsson.
299
300 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
301
302 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
303 udelay(2);
304
305 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
306 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
307 GPIO(zr, 2, mux & 1); /* MUX S0 */
308 GPIO(zr, 3, 0); /* /FRAME on */
309 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
310 GPIO(zr, 5, mux & 2); /* MUX S1 */
311 GPIO(zr, 6, 0); /* ? */
312 GPIO(zr, 7, mux & 4); /* MUX S2 */
313
314 }
315
316 static char *
317 codecid_to_modulename (u16 codecid)
318 {
319 char *name = NULL;
320
321 switch (codecid) {
322 case CODEC_TYPE_ZR36060:
323 name = "zr36060";
324 break;
325 case CODEC_TYPE_ZR36050:
326 name = "zr36050";
327 break;
328 case CODEC_TYPE_ZR36016:
329 name = "zr36016";
330 break;
331 }
332
333 return name;
334 }
335
336 // struct tvnorm {
337 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
338 // };
339
340 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
341 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
342 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
343 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
344
345 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
346 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
347
348 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
349 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
350 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
351
352 /* FIXME: I cannot swap U and V in saa7114, so i do one
353 * pixel left shift in zoran (75 -> 74)
354 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
355 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
356 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
357
358 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
359 * copy Maxim's left shift hack for the 6 Eyes.
360 *
361 * Christer's driver used the unshifted norms, though...
362 * /Sam */
363 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
364 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
365
366 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
367 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
368 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
369 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
370 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
371 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
372 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
373 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
374 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
375 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
376
377 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
378 {
379 .type = DC10_old,
380 .name = "DC10(old)",
381 .i2c_decoder = "vpx3220a",
382 .addrs_decoder = vpx3220_addrs,
383 .video_codec = CODEC_TYPE_ZR36050,
384 .video_vfe = CODEC_TYPE_ZR36016,
385
386 .inputs = 3,
387 .input = {
388 { 1, "Composite" },
389 { 2, "S-Video" },
390 { 0, "Internal/comp" }
391 },
392 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
393 .tvn = {
394 &f50sqpixel_dc10,
395 &f60sqpixel_dc10,
396 &f50sqpixel_dc10
397 },
398 .jpeg_int = 0,
399 .vsync_int = ZR36057_ISR_GIRQ1,
400 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
401 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
402 .gpcs = { -1, 0 },
403 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
404 .gws_not_connected = 0,
405 .input_mux = 0,
406 .init = &dc10_init,
407 }, {
408 .type = DC10_new,
409 .name = "DC10(new)",
410 .i2c_decoder = "saa7110",
411 .addrs_decoder = saa7110_addrs,
412 .i2c_encoder = "adv7175",
413 .addrs_encoder = adv717x_addrs,
414 .video_codec = CODEC_TYPE_ZR36060,
415
416 .inputs = 3,
417 .input = {
418 { 0, "Composite" },
419 { 7, "S-Video" },
420 { 5, "Internal/comp" }
421 },
422 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
423 .tvn = {
424 &f50sqpixel,
425 &f60sqpixel,
426 &f50sqpixel},
427 .jpeg_int = ZR36057_ISR_GIRQ0,
428 .vsync_int = ZR36057_ISR_GIRQ1,
429 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
430 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
431 .gpcs = { -1, 1},
432 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
433 .gws_not_connected = 0,
434 .input_mux = 0,
435 .init = &dc10plus_init,
436 }, {
437 .type = DC10plus,
438 .name = "DC10plus",
439 .i2c_decoder = "saa7110",
440 .addrs_decoder = saa7110_addrs,
441 .i2c_encoder = "adv7175",
442 .addrs_encoder = adv717x_addrs,
443 .video_codec = CODEC_TYPE_ZR36060,
444
445 .inputs = 3,
446 .input = {
447 { 0, "Composite" },
448 { 7, "S-Video" },
449 { 5, "Internal/comp" }
450 },
451 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
452 .tvn = {
453 &f50sqpixel,
454 &f60sqpixel,
455 &f50sqpixel
456 },
457 .jpeg_int = ZR36057_ISR_GIRQ0,
458 .vsync_int = ZR36057_ISR_GIRQ1,
459 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
460 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
461 .gpcs = { -1, 1 },
462 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
463 .gws_not_connected = 0,
464 .input_mux = 0,
465 .init = &dc10plus_init,
466 }, {
467 .type = DC30,
468 .name = "DC30",
469 .i2c_decoder = "vpx3220a",
470 .addrs_decoder = vpx3220_addrs,
471 .i2c_encoder = "adv7175",
472 .addrs_encoder = adv717x_addrs,
473 .video_codec = CODEC_TYPE_ZR36050,
474 .video_vfe = CODEC_TYPE_ZR36016,
475
476 .inputs = 3,
477 .input = {
478 { 1, "Composite" },
479 { 2, "S-Video" },
480 { 0, "Internal/comp" }
481 },
482 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
483 .tvn = {
484 &f50sqpixel_dc10,
485 &f60sqpixel_dc10,
486 &f50sqpixel_dc10
487 },
488 .jpeg_int = 0,
489 .vsync_int = ZR36057_ISR_GIRQ1,
490 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
491 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
492 .gpcs = { -1, 0 },
493 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
494 .gws_not_connected = 0,
495 .input_mux = 0,
496 .init = &dc10_init,
497 }, {
498 .type = DC30plus,
499 .name = "DC30plus",
500 .i2c_decoder = "vpx3220a",
501 .addrs_decoder = vpx3220_addrs,
502 .i2c_encoder = "adv7175",
503 .addrs_encoder = adv717x_addrs,
504 .video_codec = CODEC_TYPE_ZR36050,
505 .video_vfe = CODEC_TYPE_ZR36016,
506
507 .inputs = 3,
508 .input = {
509 { 1, "Composite" },
510 { 2, "S-Video" },
511 { 0, "Internal/comp" }
512 },
513 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
514 .tvn = {
515 &f50sqpixel_dc10,
516 &f60sqpixel_dc10,
517 &f50sqpixel_dc10
518 },
519 .jpeg_int = 0,
520 .vsync_int = ZR36057_ISR_GIRQ1,
521 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
522 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
523 .gpcs = { -1, 0 },
524 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
525 .gws_not_connected = 0,
526 .input_mux = 0,
527 .init = &dc10_init,
528 }, {
529 .type = LML33,
530 .name = "LML33",
531 .i2c_decoder = "bt819a",
532 .addrs_decoder = bt819_addrs,
533 .i2c_encoder = "bt856",
534 .addrs_encoder = bt856_addrs,
535 .video_codec = CODEC_TYPE_ZR36060,
536
537 .inputs = 2,
538 .input = {
539 { 0, "Composite" },
540 { 7, "S-Video" }
541 },
542 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
543 .tvn = {
544 &f50ccir601_lml33,
545 &f60ccir601_lml33,
546 NULL
547 },
548 .jpeg_int = ZR36057_ISR_GIRQ1,
549 .vsync_int = ZR36057_ISR_GIRQ0,
550 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
551 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
552 .gpcs = { 3, 1 },
553 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
554 .gws_not_connected = 1,
555 .input_mux = 0,
556 .init = &lml33_init,
557 }, {
558 .type = LML33R10,
559 .name = "LML33R10",
560 .i2c_decoder = "saa7114",
561 .addrs_decoder = saa7114_addrs,
562 .i2c_encoder = "adv7170",
563 .addrs_encoder = adv717x_addrs,
564 .video_codec = CODEC_TYPE_ZR36060,
565
566 .inputs = 2,
567 .input = {
568 { 0, "Composite" },
569 { 7, "S-Video" }
570 },
571 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
572 .tvn = {
573 &f50ccir601_lm33r10,
574 &f60ccir601_lm33r10,
575 NULL
576 },
577 .jpeg_int = ZR36057_ISR_GIRQ1,
578 .vsync_int = ZR36057_ISR_GIRQ0,
579 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
580 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
581 .gpcs = { 3, 1 },
582 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
583 .gws_not_connected = 1,
584 .input_mux = 0,
585 .init = &lml33_init,
586 }, {
587 .type = BUZ,
588 .name = "Buz",
589 .i2c_decoder = "saa7111",
590 .addrs_decoder = saa7111_addrs,
591 .i2c_encoder = "saa7185",
592 .addrs_encoder = saa7185_addrs,
593 .video_codec = CODEC_TYPE_ZR36060,
594
595 .inputs = 2,
596 .input = {
597 { 3, "Composite" },
598 { 7, "S-Video" }
599 },
600 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
601 .tvn = {
602 &f50ccir601,
603 &f60ccir601,
604 &f50ccir601
605 },
606 .jpeg_int = ZR36057_ISR_GIRQ1,
607 .vsync_int = ZR36057_ISR_GIRQ0,
608 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
609 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
610 .gpcs = { 3, 1 },
611 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
612 .gws_not_connected = 1,
613 .input_mux = 0,
614 .init = &buz_init,
615 }, {
616 .type = AVS6EYES,
617 .name = "6-Eyes",
618 /* AverMedia chose not to brand the 6-Eyes. Thus it
619 can't be autodetected, and requires card=x. */
620 .i2c_decoder = "ks0127",
621 .addrs_decoder = ks0127_addrs,
622 .i2c_encoder = "bt866",
623 .addrs_encoder = bt866_addrs,
624 .video_codec = CODEC_TYPE_ZR36060,
625
626 .inputs = 10,
627 .input = {
628 { 0, "Composite 1" },
629 { 1, "Composite 2" },
630 { 2, "Composite 3" },
631 { 4, "Composite 4" },
632 { 5, "Composite 5" },
633 { 6, "Composite 6" },
634 { 8, "S-Video 1" },
635 { 9, "S-Video 2" },
636 {10, "S-Video 3" },
637 {15, "YCbCr" }
638 },
639 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
640 .tvn = {
641 &f50ccir601_avs6eyes,
642 &f60ccir601_avs6eyes,
643 NULL
644 },
645 .jpeg_int = ZR36057_ISR_GIRQ1,
646 .vsync_int = ZR36057_ISR_GIRQ0,
647 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
648 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
649 .gpcs = { 3, 1 }, // Validity unknown /Sam
650 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
651 .gws_not_connected = 1,
652 .input_mux = 1,
653 .init = &avs6eyes_init,
654 }
655
656 };
657
658 /*
659 * I2C functions
660 */
661 /* software I2C functions */
662 static int
663 zoran_i2c_getsda (void *data)
664 {
665 struct zoran *zr = (struct zoran *) data;
666
667 return (btread(ZR36057_I2CBR) >> 1) & 1;
668 }
669
670 static int
671 zoran_i2c_getscl (void *data)
672 {
673 struct zoran *zr = (struct zoran *) data;
674
675 return btread(ZR36057_I2CBR) & 1;
676 }
677
678 static void
679 zoran_i2c_setsda (void *data,
680 int state)
681 {
682 struct zoran *zr = (struct zoran *) data;
683
684 if (state)
685 zr->i2cbr |= 2;
686 else
687 zr->i2cbr &= ~2;
688 btwrite(zr->i2cbr, ZR36057_I2CBR);
689 }
690
691 static void
692 zoran_i2c_setscl (void *data,
693 int state)
694 {
695 struct zoran *zr = (struct zoran *) data;
696
697 if (state)
698 zr->i2cbr |= 1;
699 else
700 zr->i2cbr &= ~1;
701 btwrite(zr->i2cbr, ZR36057_I2CBR);
702 }
703
704 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
705 .setsda = zoran_i2c_setsda,
706 .setscl = zoran_i2c_setscl,
707 .getsda = zoran_i2c_getsda,
708 .getscl = zoran_i2c_getscl,
709 .udelay = 10,
710 .timeout = 100,
711 };
712
713 static int
714 zoran_register_i2c (struct zoran *zr)
715 {
716 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
717 sizeof(struct i2c_algo_bit_data));
718 zr->i2c_algo.data = zr;
719 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
720 sizeof(zr->i2c_adapter.name));
721 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
722 zr->i2c_adapter.algo_data = &zr->i2c_algo;
723 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
724 return i2c_bit_add_bus(&zr->i2c_adapter);
725 }
726
727 static void
728 zoran_unregister_i2c (struct zoran *zr)
729 {
730 i2c_del_adapter(&zr->i2c_adapter);
731 }
732
733 /* Check a zoran_params struct for correctness, insert default params */
734
735 int
736 zoran_check_jpg_settings (struct zoran *zr,
737 struct zoran_jpg_settings *settings,
738 int try)
739 {
740 int err = 0, err0 = 0;
741
742 dprintk(4,
743 KERN_DEBUG
744 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
745 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
746 settings->VerDcm, settings->TmpDcm);
747 dprintk(4,
748 KERN_DEBUG
749 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
750 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
751 settings->img_width, settings->img_height);
752 /* Check decimation, set default values for decimation = 1, 2, 4 */
753 switch (settings->decimation) {
754 case 1:
755
756 settings->HorDcm = 1;
757 settings->VerDcm = 1;
758 settings->TmpDcm = 1;
759 settings->field_per_buff = 2;
760 settings->img_x = 0;
761 settings->img_y = 0;
762 settings->img_width = BUZ_MAX_WIDTH;
763 settings->img_height = BUZ_MAX_HEIGHT / 2;
764 break;
765 case 2:
766
767 settings->HorDcm = 2;
768 settings->VerDcm = 1;
769 settings->TmpDcm = 2;
770 settings->field_per_buff = 1;
771 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
772 settings->img_y = 0;
773 settings->img_width =
774 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
775 settings->img_height = BUZ_MAX_HEIGHT / 2;
776 break;
777 case 4:
778
779 if (zr->card.type == DC10_new) {
780 dprintk(1,
781 KERN_DEBUG
782 "%s: %s - HDec by 4 is not supported on the DC10\n",
783 ZR_DEVNAME(zr), __func__);
784 err0++;
785 break;
786 }
787
788 settings->HorDcm = 4;
789 settings->VerDcm = 2;
790 settings->TmpDcm = 2;
791 settings->field_per_buff = 1;
792 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
793 settings->img_y = 0;
794 settings->img_width =
795 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
796 settings->img_height = BUZ_MAX_HEIGHT / 2;
797 break;
798 case 0:
799
800 /* We have to check the data the user has set */
801
802 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
803 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
804 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
805 err0++;
806 }
807 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
808 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
809 err0++;
810 }
811 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
812 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
813 err0++;
814 }
815 if (settings->field_per_buff != 1 &&
816 settings->field_per_buff != 2) {
817 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
818 err0++;
819 }
820 if (settings->img_x < 0) {
821 settings->img_x = 0;
822 err0++;
823 }
824 if (settings->img_y < 0) {
825 settings->img_y = 0;
826 err0++;
827 }
828 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
829 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
830 err0++;
831 }
832 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
833 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
834 err0++;
835 }
836 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
837 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
838 err0++;
839 }
840 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
841 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
842 err0++;
843 }
844 if (settings->img_width % (16 * settings->HorDcm) != 0) {
845 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
846 if (settings->img_width == 0)
847 settings->img_width = 16 * settings->HorDcm;
848 err0++;
849 }
850 if (settings->img_height % (8 * settings->VerDcm) != 0) {
851 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
852 if (settings->img_height == 0)
853 settings->img_height = 8 * settings->VerDcm;
854 err0++;
855 }
856
857 if (!try && err0) {
858 dprintk(1,
859 KERN_ERR
860 "%s: %s - error in params for decimation = 0\n",
861 ZR_DEVNAME(zr), __func__);
862 err++;
863 }
864 break;
865 default:
866 dprintk(1,
867 KERN_ERR
868 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
869 ZR_DEVNAME(zr), __func__, settings->decimation);
870 err++;
871 break;
872 }
873
874 if (settings->jpg_comp.quality > 100)
875 settings->jpg_comp.quality = 100;
876 if (settings->jpg_comp.quality < 5)
877 settings->jpg_comp.quality = 5;
878 if (settings->jpg_comp.APPn < 0)
879 settings->jpg_comp.APPn = 0;
880 if (settings->jpg_comp.APPn > 15)
881 settings->jpg_comp.APPn = 15;
882 if (settings->jpg_comp.APP_len < 0)
883 settings->jpg_comp.APP_len = 0;
884 if (settings->jpg_comp.APP_len > 60)
885 settings->jpg_comp.APP_len = 60;
886 if (settings->jpg_comp.COM_len < 0)
887 settings->jpg_comp.COM_len = 0;
888 if (settings->jpg_comp.COM_len > 60)
889 settings->jpg_comp.COM_len = 60;
890 if (err)
891 return -EINVAL;
892 return 0;
893 }
894
895 void
896 zoran_open_init_params (struct zoran *zr)
897 {
898 int i;
899
900 /* User must explicitly set a window */
901 zr->overlay_settings.is_set = 0;
902 zr->overlay_mask = NULL;
903 zr->overlay_active = ZORAN_FREE;
904
905 zr->v4l_memgrab_active = 0;
906 zr->v4l_overlay_active = 0;
907 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
908 zr->v4l_grab_seq = 0;
909 zr->v4l_settings.width = 192;
910 zr->v4l_settings.height = 144;
911 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
912 zr->v4l_settings.bytesperline =
913 zr->v4l_settings.width *
914 ((zr->v4l_settings.format->depth + 7) / 8);
915
916 /* DMA ring stuff for V4L */
917 zr->v4l_pend_tail = 0;
918 zr->v4l_pend_head = 0;
919 zr->v4l_sync_tail = 0;
920 zr->v4l_buffers.active = ZORAN_FREE;
921 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
922 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
923 }
924 zr->v4l_buffers.allocated = 0;
925
926 for (i = 0; i < BUZ_MAX_FRAME; i++) {
927 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
928 }
929 zr->jpg_buffers.active = ZORAN_FREE;
930 zr->jpg_buffers.allocated = 0;
931 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
932 zr->jpg_settings.decimation = 1;
933 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
934 if (zr->card.type != BUZ)
935 zr->jpg_settings.odd_even = 1;
936 else
937 zr->jpg_settings.odd_even = 0;
938 zr->jpg_settings.jpg_comp.APPn = 0;
939 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
940 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
941 sizeof(zr->jpg_settings.jpg_comp.APP_data));
942 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
943 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
944 sizeof(zr->jpg_settings.jpg_comp.COM_data));
945 zr->jpg_settings.jpg_comp.jpeg_markers =
946 JPEG_MARKER_DHT | JPEG_MARKER_DQT;
947 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
948 if (i)
949 dprintk(1, KERN_ERR "%s: %s internal error\n",
950 ZR_DEVNAME(zr), __func__);
951
952 clear_interrupt_counters(zr);
953 zr->testing = 0;
954 }
955
956 static void __devinit
957 test_interrupts (struct zoran *zr)
958 {
959 DEFINE_WAIT(wait);
960 int timeout, icr;
961
962 clear_interrupt_counters(zr);
963
964 zr->testing = 1;
965 icr = btread(ZR36057_ICR);
966 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
967 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
968 timeout = schedule_timeout(HZ);
969 finish_wait(&zr->test_q, &wait);
970 btwrite(0, ZR36057_ICR);
971 btwrite(0x78000000, ZR36057_ISR);
972 zr->testing = 0;
973 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
974 if (timeout) {
975 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
976 }
977 if (zr36067_debug > 1)
978 print_interrupts(zr);
979 btwrite(icr, ZR36057_ICR);
980 }
981
982 static int __devinit
983 zr36057_init (struct zoran *zr)
984 {
985 int j, err;
986
987 dprintk(1,
988 KERN_INFO
989 "%s: %s - initializing card[%d], zr=%p\n",
990 ZR_DEVNAME(zr), __func__, zr->id, zr);
991
992 /* default setup of all parameters which will persist between opens */
993 zr->user = 0;
994
995 init_waitqueue_head(&zr->v4l_capq);
996 init_waitqueue_head(&zr->jpg_capq);
997 init_waitqueue_head(&zr->test_q);
998 zr->jpg_buffers.allocated = 0;
999 zr->v4l_buffers.allocated = 0;
1000
1001 zr->vbuf_base = (void *) vidmem;
1002 zr->vbuf_width = 0;
1003 zr->vbuf_height = 0;
1004 zr->vbuf_depth = 0;
1005 zr->vbuf_bytesperline = 0;
1006
1007 /* Avoid nonsense settings from user for default input/norm */
1008 if (default_norm < 0 || default_norm > 2)
1009 default_norm = 0;
1010 if (default_norm == 0) {
1011 zr->norm = V4L2_STD_PAL;
1012 zr->timing = zr->card.tvn[0];
1013 } else if (default_norm == 1) {
1014 zr->norm = V4L2_STD_NTSC;
1015 zr->timing = zr->card.tvn[1];
1016 } else {
1017 zr->norm = V4L2_STD_SECAM;
1018 zr->timing = zr->card.tvn[2];
1019 }
1020 if (zr->timing == NULL) {
1021 dprintk(1,
1022 KERN_WARNING
1023 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1024 ZR_DEVNAME(zr), __func__);
1025 zr->norm = V4L2_STD_PAL;
1026 zr->timing = zr->card.tvn[0];
1027 }
1028
1029 if (default_input > zr->card.inputs-1) {
1030 dprintk(1,
1031 KERN_WARNING
1032 "%s: default_input value %d out of range (0-%d)\n",
1033 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1034 default_input = 0;
1035 }
1036 zr->input = default_input;
1037
1038 /* default setup (will be repeated at every open) */
1039 zoran_open_init_params(zr);
1040
1041 /* allocate memory *before* doing anything to the hardware
1042 * in case allocation fails */
1043 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1044 zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1045 if (!zr->stat_com || !zr->video_dev) {
1046 dprintk(1,
1047 KERN_ERR
1048 "%s: %s - kmalloc (STAT_COM) failed\n",
1049 ZR_DEVNAME(zr), __func__);
1050 err = -ENOMEM;
1051 goto exit_free;
1052 }
1053 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1054 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1055 }
1056
1057 /*
1058 * Now add the template and register the device unit.
1059 */
1060 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1061 zr->video_dev->parent = &zr->pci_dev->dev;
1062 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1063 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1064 if (err < 0)
1065 goto exit_free;
1066 video_set_drvdata(zr->video_dev, zr);
1067
1068 zoran_init_hardware(zr);
1069 if (zr36067_debug > 2)
1070 detect_guest_activity(zr);
1071 test_interrupts(zr);
1072 if (!pass_through) {
1073 decoder_call(zr, video, s_stream, 0);
1074 encoder_call(zr, video, s_routing, 2, 0, 0);
1075 }
1076
1077 zr->zoran_proc = NULL;
1078 zr->initialized = 1;
1079 return 0;
1080
1081 exit_free:
1082 kfree(zr->stat_com);
1083 kfree(zr->video_dev);
1084 return err;
1085 }
1086
1087 static void __devexit zoran_remove(struct pci_dev *pdev)
1088 {
1089 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1090 struct zoran *zr = to_zoran(v4l2_dev);
1091
1092 if (!zr->initialized)
1093 goto exit_free;
1094
1095 /* unregister videocodec bus */
1096 if (zr->codec) {
1097 struct videocodec_master *master = zr->codec->master_data;
1098
1099 videocodec_detach(zr->codec);
1100 kfree(master);
1101 }
1102 if (zr->vfe) {
1103 struct videocodec_master *master = zr->vfe->master_data;
1104
1105 videocodec_detach(zr->vfe);
1106 kfree(master);
1107 }
1108
1109 /* unregister i2c bus */
1110 zoran_unregister_i2c(zr);
1111 /* disable PCI bus-mastering */
1112 zoran_set_pci_master(zr, 0);
1113 /* put chip into reset */
1114 btwrite(0, ZR36057_SPGPPCR);
1115 free_irq(zr->pci_dev->irq, zr);
1116 /* unmap and free memory */
1117 kfree(zr->stat_com);
1118 zoran_proc_cleanup(zr);
1119 iounmap(zr->zr36057_mem);
1120 pci_disable_device(zr->pci_dev);
1121 video_unregister_device(zr->video_dev);
1122 exit_free:
1123 v4l2_device_unregister(&zr->v4l2_dev);
1124 kfree(zr);
1125 }
1126
1127 void
1128 zoran_vdev_release (struct video_device *vdev)
1129 {
1130 kfree(vdev);
1131 }
1132
1133 static struct videocodec_master * __devinit
1134 zoran_setup_videocodec (struct zoran *zr,
1135 int type)
1136 {
1137 struct videocodec_master *m = NULL;
1138
1139 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1140 if (!m) {
1141 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1142 ZR_DEVNAME(zr), __func__);
1143 return m;
1144 }
1145
1146 /* magic and type are unused for master struct. Makes sense only at
1147 codec structs.
1148 In the past, .type were initialized to the old V4L1 .hardware
1149 value, as VID_HARDWARE_ZR36067
1150 */
1151 m->magic = 0L;
1152 m->type = 0;
1153
1154 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1155 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1156 m->data = zr;
1157
1158 switch (type)
1159 {
1160 case CODEC_TYPE_ZR36060:
1161 m->readreg = zr36060_read;
1162 m->writereg = zr36060_write;
1163 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1164 break;
1165 case CODEC_TYPE_ZR36050:
1166 m->readreg = zr36050_read;
1167 m->writereg = zr36050_write;
1168 m->flags |= CODEC_FLAG_JPEG;
1169 break;
1170 case CODEC_TYPE_ZR36016:
1171 m->readreg = zr36016_read;
1172 m->writereg = zr36016_write;
1173 m->flags |= CODEC_FLAG_VFE;
1174 break;
1175 }
1176
1177 return m;
1178 }
1179
1180 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1181 {
1182 struct zoran *zr = to_zoran(sd->v4l2_dev);
1183
1184 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1185 LML33 card uses GPIO(7) for that. */
1186 if (cmd == BT819_FIFO_RESET_LOW)
1187 GPIO(zr, 7, 0);
1188 else if (cmd == BT819_FIFO_RESET_HIGH)
1189 GPIO(zr, 7, 1);
1190 }
1191
1192 /*
1193 * Scan for a Buz card (actually for the PCI controller ZR36057),
1194 * request the irq and map the io memory
1195 */
1196 static int __devinit zoran_probe(struct pci_dev *pdev,
1197 const struct pci_device_id *ent)
1198 {
1199 unsigned char latency, need_latency;
1200 struct zoran *zr;
1201 int result;
1202 struct videocodec_master *master_vfe = NULL;
1203 struct videocodec_master *master_codec = NULL;
1204 int card_num;
1205 char *codec_name, *vfe_name;
1206 unsigned int nr;
1207
1208
1209 nr = zoran_num++;
1210 if (nr >= BUZ_MAX) {
1211 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1212 ZORAN_NAME, BUZ_MAX);
1213 return -ENOENT;
1214 }
1215
1216 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1217 if (!zr) {
1218 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1219 ZORAN_NAME, __func__);
1220 return -ENOMEM;
1221 }
1222 zr->v4l2_dev.notify = zoran_subdev_notify;
1223 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1224 goto zr_free_mem;
1225 zr->pci_dev = pdev;
1226 zr->id = nr;
1227 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1228 spin_lock_init(&zr->spinlock);
1229 mutex_init(&zr->resource_lock);
1230 mutex_init(&zr->other_lock);
1231 if (pci_enable_device(pdev))
1232 goto zr_unreg;
1233 pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision);
1234
1235 dprintk(1,
1236 KERN_INFO
1237 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1238 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1239 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1240 if (zr->revision >= 2) {
1241 dprintk(1,
1242 KERN_INFO
1243 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1244 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1245 zr->pci_dev->subsystem_device);
1246 }
1247
1248 /* Use auto-detected card type? */
1249 if (card[nr] == -1) {
1250 if (zr->revision < 2) {
1251 dprintk(1,
1252 KERN_ERR
1253 "%s: No card type specified, please use the card=X module parameter\n",
1254 ZR_DEVNAME(zr));
1255 dprintk(1,
1256 KERN_ERR
1257 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1258 ZR_DEVNAME(zr));
1259 goto zr_unreg;
1260 }
1261
1262 card_num = ent->driver_data;
1263 if (card_num >= NUM_CARDS) {
1264 dprintk(1,
1265 KERN_ERR
1266 "%s: Unknown card, try specifying card=X module parameter\n",
1267 ZR_DEVNAME(zr));
1268 goto zr_unreg;
1269 }
1270 dprintk(3,
1271 KERN_DEBUG
1272 "%s: %s() - card %s detected\n",
1273 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1274 } else {
1275 card_num = card[nr];
1276 if (card_num >= NUM_CARDS || card_num < 0) {
1277 dprintk(1,
1278 KERN_ERR
1279 "%s: User specified card type %d out of range (0 .. %d)\n",
1280 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1281 goto zr_unreg;
1282 }
1283 }
1284
1285 /* even though we make this a non pointer and thus
1286 * theoretically allow for making changes to this struct
1287 * on a per-individual card basis at runtime, this is
1288 * strongly discouraged. This structure is intended to
1289 * keep general card information, no settings or anything */
1290 zr->card = zoran_cards[card_num];
1291 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1292 "%s[%u]", zr->card.name, zr->id);
1293
1294 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1295 if (!zr->zr36057_mem) {
1296 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1297 ZR_DEVNAME(zr), __func__);
1298 goto zr_unreg;
1299 }
1300
1301 result = request_irq(zr->pci_dev->irq, zoran_irq,
1302 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1303 if (result < 0) {
1304 if (result == -EINVAL) {
1305 dprintk(1,
1306 KERN_ERR
1307 "%s: %s - bad irq number or handler\n",
1308 ZR_DEVNAME(zr), __func__);
1309 } else if (result == -EBUSY) {
1310 dprintk(1,
1311 KERN_ERR
1312 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1313 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1314 } else {
1315 dprintk(1,
1316 KERN_ERR
1317 "%s: %s - can't assign irq, error code %d\n",
1318 ZR_DEVNAME(zr), __func__, result);
1319 }
1320 goto zr_unmap;
1321 }
1322
1323 /* set PCI latency timer */
1324 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1325 &latency);
1326 need_latency = zr->revision > 1 ? 32 : 48;
1327 if (latency != need_latency) {
1328 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1329 ZR_DEVNAME(zr), latency, need_latency);
1330 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1331 need_latency);
1332 }
1333
1334 zr36057_restart(zr);
1335 /* i2c */
1336 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1337 ZR_DEVNAME(zr));
1338
1339 if (zoran_register_i2c(zr) < 0) {
1340 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1341 ZR_DEVNAME(zr), __func__);
1342 goto zr_free_irq;
1343 }
1344
1345 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346 &zr->i2c_adapter, NULL, zr->card.i2c_decoder,
1347 0, zr->card.addrs_decoder);
1348
1349 if (zr->card.i2c_encoder)
1350 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1351 &zr->i2c_adapter,
1352 NULL, zr->card.i2c_encoder,
1353 0, zr->card.addrs_encoder);
1354
1355 dprintk(2,
1356 KERN_INFO "%s: Initializing videocodec bus...\n",
1357 ZR_DEVNAME(zr));
1358
1359 if (zr->card.video_codec) {
1360 codec_name = codecid_to_modulename(zr->card.video_codec);
1361 if (codec_name) {
1362 result = request_module(codec_name);
1363 if (result) {
1364 dprintk(1,
1365 KERN_ERR
1366 "%s: failed to load modules %s: %d\n",
1367 ZR_DEVNAME(zr), codec_name, result);
1368 }
1369 }
1370 }
1371 if (zr->card.video_vfe) {
1372 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1373 if (vfe_name) {
1374 result = request_module(vfe_name);
1375 if (result < 0) {
1376 dprintk(1,
1377 KERN_ERR
1378 "%s: failed to load modules %s: %d\n",
1379 ZR_DEVNAME(zr), vfe_name, result);
1380 }
1381 }
1382 }
1383
1384 /* reset JPEG codec */
1385 jpeg_codec_sleep(zr, 1);
1386 jpeg_codec_reset(zr);
1387 /* video bus enabled */
1388 /* display codec revision */
1389 if (zr->card.video_codec != 0) {
1390 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1391 if (!master_codec)
1392 goto zr_unreg_i2c;
1393 zr->codec = videocodec_attach(master_codec);
1394 if (!zr->codec) {
1395 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1396 ZR_DEVNAME(zr), __func__);
1397 goto zr_free_codec;
1398 }
1399 if (zr->codec->type != zr->card.video_codec) {
1400 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1401 ZR_DEVNAME(zr), __func__);
1402 goto zr_detach_codec;
1403 }
1404 }
1405 if (zr->card.video_vfe != 0) {
1406 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1407 if (!master_vfe)
1408 goto zr_detach_codec;
1409 zr->vfe = videocodec_attach(master_vfe);
1410 if (!zr->vfe) {
1411 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1412 ZR_DEVNAME(zr), __func__);
1413 goto zr_free_vfe;
1414 }
1415 if (zr->vfe->type != zr->card.video_vfe) {
1416 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1417 ZR_DEVNAME(zr), __func__);
1418 goto zr_detach_vfe;
1419 }
1420 }
1421
1422 /* take care of Natoma chipset and a revision 1 zr36057 */
1423 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1424 zr->jpg_buffers.need_contiguous = 1;
1425 dprintk(1, KERN_INFO
1426 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1427 ZR_DEVNAME(zr));
1428 }
1429
1430 if (zr36057_init(zr) < 0)
1431 goto zr_detach_vfe;
1432
1433 zoran_proc_init(zr);
1434
1435 return 0;
1436
1437 zr_detach_vfe:
1438 videocodec_detach(zr->vfe);
1439 zr_free_vfe:
1440 kfree(master_vfe);
1441 zr_detach_codec:
1442 videocodec_detach(zr->codec);
1443 zr_free_codec:
1444 kfree(master_codec);
1445 zr_unreg_i2c:
1446 zoran_unregister_i2c(zr);
1447 zr_free_irq:
1448 btwrite(0, ZR36057_SPGPPCR);
1449 free_irq(zr->pci_dev->irq, zr);
1450 zr_unmap:
1451 iounmap(zr->zr36057_mem);
1452 zr_unreg:
1453 v4l2_device_unregister(&zr->v4l2_dev);
1454 zr_free_mem:
1455 kfree(zr);
1456
1457 return -ENODEV;
1458 }
1459
1460 static struct pci_driver zoran_driver = {
1461 .name = "zr36067",
1462 .id_table = zr36067_pci_tbl,
1463 .probe = zoran_probe,
1464 .remove = __devexit_p(zoran_remove),
1465 };
1466
1467 static int __init zoran_init(void)
1468 {
1469 int res;
1470
1471 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1472 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1473
1474 /* check the parameters we have been given, adjust if necessary */
1475 if (v4l_nbufs < 2)
1476 v4l_nbufs = 2;
1477 if (v4l_nbufs > VIDEO_MAX_FRAME)
1478 v4l_nbufs = VIDEO_MAX_FRAME;
1479 /* The user specfies the in KB, we want them in byte
1480 * (and page aligned) */
1481 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1482 if (v4l_bufsize < 32768)
1483 v4l_bufsize = 32768;
1484 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1485 if (v4l_bufsize > 2048 * 1024)
1486 v4l_bufsize = 2048 * 1024;
1487 if (jpg_nbufs < 4)
1488 jpg_nbufs = 4;
1489 if (jpg_nbufs > BUZ_MAX_FRAME)
1490 jpg_nbufs = BUZ_MAX_FRAME;
1491 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1492 if (jpg_bufsize < 8192)
1493 jpg_bufsize = 8192;
1494 if (jpg_bufsize > (512 * 1024))
1495 jpg_bufsize = 512 * 1024;
1496 /* Use parameter for vidmem or try to find a video card */
1497 if (vidmem) {
1498 dprintk(1,
1499 KERN_INFO
1500 "%s: Using supplied video memory base address @ 0x%lx\n",
1501 ZORAN_NAME, vidmem);
1502 }
1503
1504 /* some mainboards might not do PCI-PCI data transfer well */
1505 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1506 dprintk(1,
1507 KERN_WARNING
1508 "%s: chipset does not support reliable PCI-PCI DMA\n",
1509 ZORAN_NAME);
1510 }
1511
1512 res = pci_register_driver(&zoran_driver);
1513 if (res) {
1514 dprintk(1,
1515 KERN_ERR
1516 "%s: Unable to register ZR36057 driver\n",
1517 ZORAN_NAME);
1518 return res;
1519 }
1520
1521 return 0;
1522 }
1523
1524 static void __exit zoran_exit(void)
1525 {
1526 pci_unregister_driver(&zoran_driver);
1527 }
1528
1529 module_init(zoran_init);
1530 module_exit(zoran_exit);