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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / media / video / zoran / zoran_card.c
blobbe70574870de4f5eeda5ed13d6c634c6c7322065
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
38 #include <linux/proc_fs.h>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
41 #include <linux/videodev2.h>
42 #include <linux/spinlock.h>
43 #include <linux/sem.h>
44 #include <linux/kmod.h>
45 #include <linux/wait.h>
46
47 #include <linux/pci.h>
48 #include <linux/interrupt.h>
49 #include <linux/mutex.h>
50 #include <linux/io.h>
51 #include <media/v4l2-common.h>
52 #include <media/bt819.h>
53
54 #include "videocodec.h"
55 #include "zoran.h"
56 #include "zoran_card.h"
57 #include "zoran_device.h"
58 #include "zoran_procfs.h"
59
60 extern const struct zoran_format zoran_formats[];
61
62 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
63 module_param_array(card, int, NULL, 0444);
64 MODULE_PARM_DESC(card, "Card type");
65
66 static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
67 module_param_array(encoder, int, NULL, 0444);
68 MODULE_PARM_DESC(encoder, "Video encoder chip");
69
70 static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
71 module_param_array(decoder, int, NULL, 0444);
72 MODULE_PARM_DESC(decoder, "Video decoder chip");
73
74 /*
75 The video mem address of the video card.
76 The driver has a little database for some videocards
77 to determine it from there. If your video card is not in there
78 you have either to give it to the driver as a parameter
79 or set in in a VIDIOCSFBUF ioctl
80 */
81
82 static unsigned long vidmem; /* default = 0 - Video memory base address */
83 module_param(vidmem, ulong, 0444);
84 MODULE_PARM_DESC(vidmem, "Default video memory base address");
85
86 /*
87 Default input and video norm at startup of the driver.
88 */
89
90 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
91 module_param(default_input, uint, 0444);
92 MODULE_PARM_DESC(default_input,
93 "Default input (0=Composite, 1=S-Video, 2=Internal)");
94
95 static int default_mux = 1; /* 6 Eyes input selection */
96 module_param(default_mux, int, 0644);
97 MODULE_PARM_DESC(default_mux,
98 "Default 6 Eyes mux setting (Input selection)");
99
100 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
101 module_param(default_norm, int, 0444);
102 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
103
104 /* /dev/videoN, -1 for autodetect */
105 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
106 module_param_array(video_nr, int, NULL, 0444);
107 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
108
109 int v4l_nbufs = 4;
110 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
111 module_param(v4l_nbufs, int, 0644);
112 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
113 module_param(v4l_bufsize, int, 0644);
114 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
115
116 int jpg_nbufs = 32;
117 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
118 module_param(jpg_nbufs, int, 0644);
119 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
120 module_param(jpg_bufsize, int, 0644);
121 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
122
123 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
124 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
125 module_param(pass_through, int, 0644);
126 MODULE_PARM_DESC(pass_through,
127 "Pass TV signal through to TV-out when idling");
128
129 int zr36067_debug = 1;
130 module_param_named(debug, zr36067_debug, int, 0644);
131 MODULE_PARM_DESC(debug, "Debug level (0-5)");
132
133 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
134 MODULE_AUTHOR("Serguei Miridonov");
135 MODULE_LICENSE("GPL");
136
137 #define ZR_DEVICE(subven, subdev, data) { \
138 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
139 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
140
141 static struct pci_device_id zr36067_pci_tbl[] = {
142 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
143 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
144 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
145 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
146 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
147 {0}
148 };
149 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
150
151 static unsigned int zoran_num; /* number of cards found */
152
153 /* videocodec bus functions ZR36060 */
154 static u32
155 zr36060_read (struct videocodec *codec,
156 u16 reg)
157 {
158 struct zoran *zr = (struct zoran *) codec->master_data->data;
159 __u32 data;
160
161 if (post_office_wait(zr)
162 || post_office_write(zr, 0, 1, reg >> 8)
163 || post_office_write(zr, 0, 2, reg & 0xff)) {
164 return -1;
165 }
166
167 data = post_office_read(zr, 0, 3) & 0xff;
168 return data;
169 }
170
171 static void
172 zr36060_write (struct videocodec *codec,
173 u16 reg,
174 u32 val)
175 {
176 struct zoran *zr = (struct zoran *) codec->master_data->data;
177
178 if (post_office_wait(zr)
179 || post_office_write(zr, 0, 1, reg >> 8)
180 || post_office_write(zr, 0, 2, reg & 0xff)) {
181 return;
182 }
183
184 post_office_write(zr, 0, 3, val & 0xff);
185 }
186
187 /* videocodec bus functions ZR36050 */
188 static u32
189 zr36050_read (struct videocodec *codec,
190 u16 reg)
191 {
192 struct zoran *zr = (struct zoran *) codec->master_data->data;
193 __u32 data;
194
195 if (post_office_wait(zr)
196 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
197 return -1;
198 }
199
200 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
201 return data;
202 }
203
204 static void
205 zr36050_write (struct videocodec *codec,
206 u16 reg,
207 u32 val)
208 {
209 struct zoran *zr = (struct zoran *) codec->master_data->data;
210
211 if (post_office_wait(zr)
212 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
213 return;
214 }
215
216 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
217 }
218
219 /* videocodec bus functions ZR36016 */
220 static u32
221 zr36016_read (struct videocodec *codec,
222 u16 reg)
223 {
224 struct zoran *zr = (struct zoran *) codec->master_data->data;
225 __u32 data;
226
227 if (post_office_wait(zr)) {
228 return -1;
229 }
230
231 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
232 return data;
233 }
234
235 /* hack for in zoran_device.c */
236 void
237 zr36016_write (struct videocodec *codec,
238 u16 reg,
239 u32 val)
240 {
241 struct zoran *zr = (struct zoran *) codec->master_data->data;
242
243 if (post_office_wait(zr)) {
244 return;
245 }
246
247 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
248 }
249
250 /*
251 * Board specific information
252 */
253
254 static void
255 dc10_init (struct zoran *zr)
256 {
257 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
258
259 /* Pixel clock selection */
260 GPIO(zr, 4, 0);
261 GPIO(zr, 5, 1);
262 /* Enable the video bus sync signals */
263 GPIO(zr, 7, 0);
264 }
265
266 static void
267 dc10plus_init (struct zoran *zr)
268 {
269 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
270 }
271
272 static void
273 buz_init (struct zoran *zr)
274 {
275 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
276
277 /* some stuff from Iomega */
278 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
279 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
280 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
281 }
282
283 static void
284 lml33_init (struct zoran *zr)
285 {
286 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
287
288 GPIO(zr, 2, 1); // Set Composite input/output
289 }
290
291 static void
292 avs6eyes_init (struct zoran *zr)
293 {
294 // AverMedia 6-Eyes original driver by Christer Weinigel
295
296 // Lifted straight from Christer's old driver and
297 // modified slightly by Martin Samuelsson.
298
299 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
300
301 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
302 udelay(2);
303
304 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
305 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
306 GPIO(zr, 2, mux & 1); /* MUX S0 */
307 GPIO(zr, 3, 0); /* /FRAME on */
308 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
309 GPIO(zr, 5, mux & 2); /* MUX S1 */
310 GPIO(zr, 6, 0); /* ? */
311 GPIO(zr, 7, mux & 4); /* MUX S2 */
312
313 }
314
315 static char *
316 codecid_to_modulename (u16 codecid)
317 {
318 char *name = NULL;
319
320 switch (codecid) {
321 case CODEC_TYPE_ZR36060:
322 name = "zr36060";
323 break;
324 case CODEC_TYPE_ZR36050:
325 name = "zr36050";
326 break;
327 case CODEC_TYPE_ZR36016:
328 name = "zr36016";
329 break;
330 }
331
332 return name;
333 }
334
335 // struct tvnorm {
336 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
337 // };
338
339 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
340 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
341 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
342 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
343
344 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
345 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
346
347 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
348 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
349 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
350
351 /* FIXME: I cannot swap U and V in saa7114, so i do one
352 * pixel left shift in zoran (75 -> 74)
353 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
354 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
355 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
356
357 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
358 * copy Maxim's left shift hack for the 6 Eyes.
359 *
360 * Christer's driver used the unshifted norms, though...
361 * /Sam */
362 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
363 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
364
365 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
366 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
367 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
368 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
369 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
370 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
371 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
372 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
373 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
374 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
375
376 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
377 {
378 .type = DC10_old,
379 .name = "DC10(old)",
380 .i2c_decoder = "vpx3220a",
381 .mod_decoder = "vpx3220",
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 .mod_decoder = "saa7110",
412 .addrs_decoder = saa7110_addrs,
413 .i2c_encoder = "adv7175",
414 .mod_encoder = "adv7175",
415 .addrs_encoder = adv717x_addrs,
416 .video_codec = CODEC_TYPE_ZR36060,
417
418 .inputs = 3,
419 .input = {
420 { 0, "Composite" },
421 { 7, "S-Video" },
422 { 5, "Internal/comp" }
423 },
424 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
425 .tvn = {
426 &f50sqpixel,
427 &f60sqpixel,
428 &f50sqpixel},
429 .jpeg_int = ZR36057_ISR_GIRQ0,
430 .vsync_int = ZR36057_ISR_GIRQ1,
431 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
432 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
433 .gpcs = { -1, 1},
434 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
435 .gws_not_connected = 0,
436 .input_mux = 0,
437 .init = &dc10plus_init,
438 }, {
439 .type = DC10plus,
440 .name = "DC10plus",
441 .i2c_decoder = "saa7110",
442 .mod_decoder = "saa7110",
443 .addrs_decoder = saa7110_addrs,
444 .i2c_encoder = "adv7175",
445 .mod_encoder = "adv7175",
446 .addrs_encoder = adv717x_addrs,
447 .video_codec = CODEC_TYPE_ZR36060,
448
449 .inputs = 3,
450 .input = {
451 { 0, "Composite" },
452 { 7, "S-Video" },
453 { 5, "Internal/comp" }
454 },
455 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
456 .tvn = {
457 &f50sqpixel,
458 &f60sqpixel,
459 &f50sqpixel
460 },
461 .jpeg_int = ZR36057_ISR_GIRQ0,
462 .vsync_int = ZR36057_ISR_GIRQ1,
463 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
464 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
465 .gpcs = { -1, 1 },
466 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
467 .gws_not_connected = 0,
468 .input_mux = 0,
469 .init = &dc10plus_init,
470 }, {
471 .type = DC30,
472 .name = "DC30",
473 .i2c_decoder = "vpx3220a",
474 .mod_decoder = "vpx3220",
475 .addrs_decoder = vpx3220_addrs,
476 .i2c_encoder = "adv7175",
477 .mod_encoder = "adv7175",
478 .addrs_encoder = adv717x_addrs,
479 .video_codec = CODEC_TYPE_ZR36050,
480 .video_vfe = CODEC_TYPE_ZR36016,
481
482 .inputs = 3,
483 .input = {
484 { 1, "Composite" },
485 { 2, "S-Video" },
486 { 0, "Internal/comp" }
487 },
488 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
489 .tvn = {
490 &f50sqpixel_dc10,
491 &f60sqpixel_dc10,
492 &f50sqpixel_dc10
493 },
494 .jpeg_int = 0,
495 .vsync_int = ZR36057_ISR_GIRQ1,
496 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
497 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
498 .gpcs = { -1, 0 },
499 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
500 .gws_not_connected = 0,
501 .input_mux = 0,
502 .init = &dc10_init,
503 }, {
504 .type = DC30plus,
505 .name = "DC30plus",
506 .i2c_decoder = "vpx3220a",
507 .mod_decoder = "vpx3220",
508 .addrs_decoder = vpx3220_addrs,
509 .i2c_encoder = "adv7175",
510 .mod_encoder = "adv7175",
511 .addrs_encoder = adv717x_addrs,
512 .video_codec = CODEC_TYPE_ZR36050,
513 .video_vfe = CODEC_TYPE_ZR36016,
514
515 .inputs = 3,
516 .input = {
517 { 1, "Composite" },
518 { 2, "S-Video" },
519 { 0, "Internal/comp" }
520 },
521 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
522 .tvn = {
523 &f50sqpixel_dc10,
524 &f60sqpixel_dc10,
525 &f50sqpixel_dc10
526 },
527 .jpeg_int = 0,
528 .vsync_int = ZR36057_ISR_GIRQ1,
529 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
530 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
531 .gpcs = { -1, 0 },
532 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
533 .gws_not_connected = 0,
534 .input_mux = 0,
535 .init = &dc10_init,
536 }, {
537 .type = LML33,
538 .name = "LML33",
539 .i2c_decoder = "bt819a",
540 .mod_decoder = "bt819",
541 .addrs_decoder = bt819_addrs,
542 .i2c_encoder = "bt856",
543 .mod_encoder = "bt856",
544 .addrs_encoder = bt856_addrs,
545 .video_codec = CODEC_TYPE_ZR36060,
546
547 .inputs = 2,
548 .input = {
549 { 0, "Composite" },
550 { 7, "S-Video" }
551 },
552 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
553 .tvn = {
554 &f50ccir601_lml33,
555 &f60ccir601_lml33,
556 NULL
557 },
558 .jpeg_int = ZR36057_ISR_GIRQ1,
559 .vsync_int = ZR36057_ISR_GIRQ0,
560 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
561 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
562 .gpcs = { 3, 1 },
563 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
564 .gws_not_connected = 1,
565 .input_mux = 0,
566 .init = &lml33_init,
567 }, {
568 .type = LML33R10,
569 .name = "LML33R10",
570 .i2c_decoder = "saa7114",
571 .mod_decoder = "saa7115",
572 .addrs_decoder = saa7114_addrs,
573 .i2c_encoder = "adv7170",
574 .mod_encoder = "adv7170",
575 .addrs_encoder = adv717x_addrs,
576 .video_codec = CODEC_TYPE_ZR36060,
577
578 .inputs = 2,
579 .input = {
580 { 0, "Composite" },
581 { 7, "S-Video" }
582 },
583 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
584 .tvn = {
585 &f50ccir601_lm33r10,
586 &f60ccir601_lm33r10,
587 NULL
588 },
589 .jpeg_int = ZR36057_ISR_GIRQ1,
590 .vsync_int = ZR36057_ISR_GIRQ0,
591 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
592 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
593 .gpcs = { 3, 1 },
594 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
595 .gws_not_connected = 1,
596 .input_mux = 0,
597 .init = &lml33_init,
598 }, {
599 .type = BUZ,
600 .name = "Buz",
601 .i2c_decoder = "saa7111",
602 .mod_decoder = "saa7115",
603 .addrs_decoder = saa7111_addrs,
604 .i2c_encoder = "saa7185",
605 .mod_encoder = "saa7185",
606 .addrs_encoder = saa7185_addrs,
607 .video_codec = CODEC_TYPE_ZR36060,
608
609 .inputs = 2,
610 .input = {
611 { 3, "Composite" },
612 { 7, "S-Video" }
613 },
614 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
615 .tvn = {
616 &f50ccir601,
617 &f60ccir601,
618 &f50ccir601
619 },
620 .jpeg_int = ZR36057_ISR_GIRQ1,
621 .vsync_int = ZR36057_ISR_GIRQ0,
622 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
623 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
624 .gpcs = { 3, 1 },
625 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
626 .gws_not_connected = 1,
627 .input_mux = 0,
628 .init = &buz_init,
629 }, {
630 .type = AVS6EYES,
631 .name = "6-Eyes",
632 /* AverMedia chose not to brand the 6-Eyes. Thus it
633 can't be autodetected, and requires card=x. */
634 .i2c_decoder = "ks0127",
635 .mod_decoder = "ks0127",
636 .addrs_decoder = ks0127_addrs,
637 .i2c_encoder = "bt866",
638 .mod_encoder = "bt866",
639 .addrs_encoder = bt866_addrs,
640 .video_codec = CODEC_TYPE_ZR36060,
641
642 .inputs = 10,
643 .input = {
644 { 0, "Composite 1" },
645 { 1, "Composite 2" },
646 { 2, "Composite 3" },
647 { 4, "Composite 4" },
648 { 5, "Composite 5" },
649 { 6, "Composite 6" },
650 { 8, "S-Video 1" },
651 { 9, "S-Video 2" },
652 {10, "S-Video 3" },
653 {15, "YCbCr" }
654 },
655 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
656 .tvn = {
657 &f50ccir601_avs6eyes,
658 &f60ccir601_avs6eyes,
659 NULL
660 },
661 .jpeg_int = ZR36057_ISR_GIRQ1,
662 .vsync_int = ZR36057_ISR_GIRQ0,
663 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
664 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
665 .gpcs = { 3, 1 }, // Validity unknown /Sam
666 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
667 .gws_not_connected = 1,
668 .input_mux = 1,
669 .init = &avs6eyes_init,
670 }
671
672 };
673
674 /*
675 * I2C functions
676 */
677 /* software I2C functions */
678 static int
679 zoran_i2c_getsda (void *data)
680 {
681 struct zoran *zr = (struct zoran *) data;
682
683 return (btread(ZR36057_I2CBR) >> 1) & 1;
684 }
685
686 static int
687 zoran_i2c_getscl (void *data)
688 {
689 struct zoran *zr = (struct zoran *) data;
690
691 return btread(ZR36057_I2CBR) & 1;
692 }
693
694 static void
695 zoran_i2c_setsda (void *data,
696 int state)
697 {
698 struct zoran *zr = (struct zoran *) data;
699
700 if (state)
701 zr->i2cbr |= 2;
702 else
703 zr->i2cbr &= ~2;
704 btwrite(zr->i2cbr, ZR36057_I2CBR);
705 }
706
707 static void
708 zoran_i2c_setscl (void *data,
709 int state)
710 {
711 struct zoran *zr = (struct zoran *) data;
712
713 if (state)
714 zr->i2cbr |= 1;
715 else
716 zr->i2cbr &= ~1;
717 btwrite(zr->i2cbr, ZR36057_I2CBR);
718 }
719
720 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
721 .setsda = zoran_i2c_setsda,
722 .setscl = zoran_i2c_setscl,
723 .getsda = zoran_i2c_getsda,
724 .getscl = zoran_i2c_getscl,
725 .udelay = 10,
726 .timeout = 100,
727 };
728
729 static int
730 zoran_register_i2c (struct zoran *zr)
731 {
732 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
733 sizeof(struct i2c_algo_bit_data));
734 zr->i2c_algo.data = zr;
735 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
736 sizeof(zr->i2c_adapter.name));
737 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
738 zr->i2c_adapter.algo_data = &zr->i2c_algo;
739 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
740 return i2c_bit_add_bus(&zr->i2c_adapter);
741 }
742
743 static void
744 zoran_unregister_i2c (struct zoran *zr)
745 {
746 i2c_del_adapter(&zr->i2c_adapter);
747 }
748
749 /* Check a zoran_params struct for correctness, insert default params */
750
751 int
752 zoran_check_jpg_settings (struct zoran *zr,
753 struct zoran_jpg_settings *settings,
754 int try)
755 {
756 int err = 0, err0 = 0;
757
758 dprintk(4,
759 KERN_DEBUG
760 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
761 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
762 settings->VerDcm, settings->TmpDcm);
763 dprintk(4,
764 KERN_DEBUG
765 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
766 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
767 settings->img_width, settings->img_height);
768 /* Check decimation, set default values for decimation = 1, 2, 4 */
769 switch (settings->decimation) {
770 case 1:
771
772 settings->HorDcm = 1;
773 settings->VerDcm = 1;
774 settings->TmpDcm = 1;
775 settings->field_per_buff = 2;
776 settings->img_x = 0;
777 settings->img_y = 0;
778 settings->img_width = BUZ_MAX_WIDTH;
779 settings->img_height = BUZ_MAX_HEIGHT / 2;
780 break;
781 case 2:
782
783 settings->HorDcm = 2;
784 settings->VerDcm = 1;
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 4:
794
795 if (zr->card.type == DC10_new) {
796 dprintk(1,
797 KERN_DEBUG
798 "%s: %s - HDec by 4 is not supported on the DC10\n",
799 ZR_DEVNAME(zr), __func__);
800 err0++;
801 break;
802 }
803
804 settings->HorDcm = 4;
805 settings->VerDcm = 2;
806 settings->TmpDcm = 2;
807 settings->field_per_buff = 1;
808 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
809 settings->img_y = 0;
810 settings->img_width =
811 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
812 settings->img_height = BUZ_MAX_HEIGHT / 2;
813 break;
814 case 0:
815
816 /* We have to check the data the user has set */
817
818 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
819 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
820 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
821 err0++;
822 }
823 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
824 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
825 err0++;
826 }
827 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
828 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
829 err0++;
830 }
831 if (settings->field_per_buff != 1 &&
832 settings->field_per_buff != 2) {
833 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
834 err0++;
835 }
836 if (settings->img_x < 0) {
837 settings->img_x = 0;
838 err0++;
839 }
840 if (settings->img_y < 0) {
841 settings->img_y = 0;
842 err0++;
843 }
844 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
845 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
846 err0++;
847 }
848 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
849 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
850 err0++;
851 }
852 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
853 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
854 err0++;
855 }
856 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
857 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
858 err0++;
859 }
860 if (settings->img_width % (16 * settings->HorDcm) != 0) {
861 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
862 if (settings->img_width == 0)
863 settings->img_width = 16 * settings->HorDcm;
864 err0++;
865 }
866 if (settings->img_height % (8 * settings->VerDcm) != 0) {
867 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
868 if (settings->img_height == 0)
869 settings->img_height = 8 * settings->VerDcm;
870 err0++;
871 }
872
873 if (!try && err0) {
874 dprintk(1,
875 KERN_ERR
876 "%s: %s - error in params for decimation = 0\n",
877 ZR_DEVNAME(zr), __func__);
878 err++;
879 }
880 break;
881 default:
882 dprintk(1,
883 KERN_ERR
884 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
885 ZR_DEVNAME(zr), __func__, settings->decimation);
886 err++;
887 break;
888 }
889
890 if (settings->jpg_comp.quality > 100)
891 settings->jpg_comp.quality = 100;
892 if (settings->jpg_comp.quality < 5)
893 settings->jpg_comp.quality = 5;
894 if (settings->jpg_comp.APPn < 0)
895 settings->jpg_comp.APPn = 0;
896 if (settings->jpg_comp.APPn > 15)
897 settings->jpg_comp.APPn = 15;
898 if (settings->jpg_comp.APP_len < 0)
899 settings->jpg_comp.APP_len = 0;
900 if (settings->jpg_comp.APP_len > 60)
901 settings->jpg_comp.APP_len = 60;
902 if (settings->jpg_comp.COM_len < 0)
903 settings->jpg_comp.COM_len = 0;
904 if (settings->jpg_comp.COM_len > 60)
905 settings->jpg_comp.COM_len = 60;
906 if (err)
907 return -EINVAL;
908 return 0;
909 }
910
911 void
912 zoran_open_init_params (struct zoran *zr)
913 {
914 int i;
915
916 /* User must explicitly set a window */
917 zr->overlay_settings.is_set = 0;
918 zr->overlay_mask = NULL;
919 zr->overlay_active = ZORAN_FREE;
920
921 zr->v4l_memgrab_active = 0;
922 zr->v4l_overlay_active = 0;
923 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
924 zr->v4l_grab_seq = 0;
925 zr->v4l_settings.width = 192;
926 zr->v4l_settings.height = 144;
927 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
928 zr->v4l_settings.bytesperline =
929 zr->v4l_settings.width *
930 ((zr->v4l_settings.format->depth + 7) / 8);
931
932 /* DMA ring stuff for V4L */
933 zr->v4l_pend_tail = 0;
934 zr->v4l_pend_head = 0;
935 zr->v4l_sync_tail = 0;
936 zr->v4l_buffers.active = ZORAN_FREE;
937 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
938 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
939 }
940 zr->v4l_buffers.allocated = 0;
941
942 for (i = 0; i < BUZ_MAX_FRAME; i++) {
943 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
944 }
945 zr->jpg_buffers.active = ZORAN_FREE;
946 zr->jpg_buffers.allocated = 0;
947 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
948 zr->jpg_settings.decimation = 1;
949 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
950 if (zr->card.type != BUZ)
951 zr->jpg_settings.odd_even = 1;
952 else
953 zr->jpg_settings.odd_even = 0;
954 zr->jpg_settings.jpg_comp.APPn = 0;
955 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
956 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
957 sizeof(zr->jpg_settings.jpg_comp.APP_data));
958 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
959 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
960 sizeof(zr->jpg_settings.jpg_comp.COM_data));
961 zr->jpg_settings.jpg_comp.jpeg_markers =
962 JPEG_MARKER_DHT | JPEG_MARKER_DQT;
963 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
964 if (i)
965 dprintk(1, KERN_ERR "%s: %s internal error\n",
966 ZR_DEVNAME(zr), __func__);
967
968 clear_interrupt_counters(zr);
969 zr->testing = 0;
970 }
971
972 static void __devinit
973 test_interrupts (struct zoran *zr)
974 {
975 DEFINE_WAIT(wait);
976 int timeout, icr;
977
978 clear_interrupt_counters(zr);
979
980 zr->testing = 1;
981 icr = btread(ZR36057_ICR);
982 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
983 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
984 timeout = schedule_timeout(HZ);
985 finish_wait(&zr->test_q, &wait);
986 btwrite(0, ZR36057_ICR);
987 btwrite(0x78000000, ZR36057_ISR);
988 zr->testing = 0;
989 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
990 if (timeout) {
991 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
992 }
993 if (zr36067_debug > 1)
994 print_interrupts(zr);
995 btwrite(icr, ZR36057_ICR);
996 }
997
998 static int __devinit
999 zr36057_init (struct zoran *zr)
1000 {
1001 int j, err;
1002
1003 dprintk(1,
1004 KERN_INFO
1005 "%s: %s - initializing card[%d], zr=%p\n",
1006 ZR_DEVNAME(zr), __func__, zr->id, zr);
1007
1008 /* default setup of all parameters which will persist between opens */
1009 zr->user = 0;
1010
1011 init_waitqueue_head(&zr->v4l_capq);
1012 init_waitqueue_head(&zr->jpg_capq);
1013 init_waitqueue_head(&zr->test_q);
1014 zr->jpg_buffers.allocated = 0;
1015 zr->v4l_buffers.allocated = 0;
1016
1017 zr->vbuf_base = (void *) vidmem;
1018 zr->vbuf_width = 0;
1019 zr->vbuf_height = 0;
1020 zr->vbuf_depth = 0;
1021 zr->vbuf_bytesperline = 0;
1022
1023 /* Avoid nonsense settings from user for default input/norm */
1024 if (default_norm < 0 || default_norm > 2)
1025 default_norm = 0;
1026 if (default_norm == 0) {
1027 zr->norm = V4L2_STD_PAL;
1028 zr->timing = zr->card.tvn[0];
1029 } else if (default_norm == 1) {
1030 zr->norm = V4L2_STD_NTSC;
1031 zr->timing = zr->card.tvn[1];
1032 } else {
1033 zr->norm = V4L2_STD_SECAM;
1034 zr->timing = zr->card.tvn[2];
1035 }
1036 if (zr->timing == NULL) {
1037 dprintk(1,
1038 KERN_WARNING
1039 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1040 ZR_DEVNAME(zr), __func__);
1041 zr->norm = V4L2_STD_PAL;
1042 zr->timing = zr->card.tvn[0];
1043 }
1044
1045 if (default_input > zr->card.inputs-1) {
1046 dprintk(1,
1047 KERN_WARNING
1048 "%s: default_input value %d out of range (0-%d)\n",
1049 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1050 default_input = 0;
1051 }
1052 zr->input = default_input;
1053
1054 /* default setup (will be repeated at every open) */
1055 zoran_open_init_params(zr);
1056
1057 /* allocate memory *before* doing anything to the hardware
1058 * in case allocation fails */
1059 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1060 zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1061 if (!zr->stat_com || !zr->video_dev) {
1062 dprintk(1,
1063 KERN_ERR
1064 "%s: %s - kmalloc (STAT_COM) failed\n",
1065 ZR_DEVNAME(zr), __func__);
1066 err = -ENOMEM;
1067 goto exit_free;
1068 }
1069 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1070 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1071 }
1072
1073 /*
1074 * Now add the template and register the device unit.
1075 */
1076 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1077 zr->video_dev->parent = &zr->pci_dev->dev;
1078 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1079 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1080 if (err < 0)
1081 goto exit_free;
1082 video_set_drvdata(zr->video_dev, zr);
1083
1084 zoran_init_hardware(zr);
1085 if (zr36067_debug > 2)
1086 detect_guest_activity(zr);
1087 test_interrupts(zr);
1088 if (!pass_through) {
1089 decoder_call(zr, video, s_stream, 0);
1090 encoder_call(zr, video, s_routing, 2, 0, 0);
1091 }
1092
1093 zr->zoran_proc = NULL;
1094 zr->initialized = 1;
1095 return 0;
1096
1097 exit_free:
1098 kfree(zr->stat_com);
1099 kfree(zr->video_dev);
1100 return err;
1101 }
1102
1103 static void __devexit zoran_remove(struct pci_dev *pdev)
1104 {
1105 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1106 struct zoran *zr = to_zoran(v4l2_dev);
1107
1108 if (!zr->initialized)
1109 goto exit_free;
1110
1111 /* unregister videocodec bus */
1112 if (zr->codec) {
1113 struct videocodec_master *master = zr->codec->master_data;
1114
1115 videocodec_detach(zr->codec);
1116 kfree(master);
1117 }
1118 if (zr->vfe) {
1119 struct videocodec_master *master = zr->vfe->master_data;
1120
1121 videocodec_detach(zr->vfe);
1122 kfree(master);
1123 }
1124
1125 /* unregister i2c bus */
1126 zoran_unregister_i2c(zr);
1127 /* disable PCI bus-mastering */
1128 zoran_set_pci_master(zr, 0);
1129 /* put chip into reset */
1130 btwrite(0, ZR36057_SPGPPCR);
1131 free_irq(zr->pci_dev->irq, zr);
1132 /* unmap and free memory */
1133 kfree(zr->stat_com);
1134 zoran_proc_cleanup(zr);
1135 iounmap(zr->zr36057_mem);
1136 pci_disable_device(zr->pci_dev);
1137 video_unregister_device(zr->video_dev);
1138 exit_free:
1139 v4l2_device_unregister(&zr->v4l2_dev);
1140 kfree(zr);
1141 }
1142
1143 void
1144 zoran_vdev_release (struct video_device *vdev)
1145 {
1146 kfree(vdev);
1147 }
1148
1149 static struct videocodec_master * __devinit
1150 zoran_setup_videocodec (struct zoran *zr,
1151 int type)
1152 {
1153 struct videocodec_master *m = NULL;
1154
1155 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1156 if (!m) {
1157 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1158 ZR_DEVNAME(zr), __func__);
1159 return m;
1160 }
1161
1162 /* magic and type are unused for master struct. Makes sense only at
1163 codec structs.
1164 In the past, .type were initialized to the old V4L1 .hardware
1165 value, as VID_HARDWARE_ZR36067
1166 */
1167 m->magic = 0L;
1168 m->type = 0;
1169
1170 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1171 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1172 m->data = zr;
1173
1174 switch (type)
1175 {
1176 case CODEC_TYPE_ZR36060:
1177 m->readreg = zr36060_read;
1178 m->writereg = zr36060_write;
1179 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1180 break;
1181 case CODEC_TYPE_ZR36050:
1182 m->readreg = zr36050_read;
1183 m->writereg = zr36050_write;
1184 m->flags |= CODEC_FLAG_JPEG;
1185 break;
1186 case CODEC_TYPE_ZR36016:
1187 m->readreg = zr36016_read;
1188 m->writereg = zr36016_write;
1189 m->flags |= CODEC_FLAG_VFE;
1190 break;
1191 }
1192
1193 return m;
1194 }
1195
1196 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1197 {
1198 struct zoran *zr = to_zoran(sd->v4l2_dev);
1199
1200 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1201 LML33 card uses GPIO(7) for that. */
1202 if (cmd == BT819_FIFO_RESET_LOW)
1203 GPIO(zr, 7, 0);
1204 else if (cmd == BT819_FIFO_RESET_HIGH)
1205 GPIO(zr, 7, 1);
1206 }
1207
1208 /*
1209 * Scan for a Buz card (actually for the PCI controller ZR36057),
1210 * request the irq and map the io memory
1211 */
1212 static int __devinit zoran_probe(struct pci_dev *pdev,
1213 const struct pci_device_id *ent)
1214 {
1215 unsigned char latency, need_latency;
1216 struct zoran *zr;
1217 int result;
1218 struct videocodec_master *master_vfe = NULL;
1219 struct videocodec_master *master_codec = NULL;
1220 int card_num;
1221 char *codec_name, *vfe_name;
1222 unsigned int nr;
1223
1224
1225 nr = zoran_num++;
1226 if (nr >= BUZ_MAX) {
1227 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1228 ZORAN_NAME, BUZ_MAX);
1229 return -ENOENT;
1230 }
1231
1232 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1233 if (!zr) {
1234 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1235 ZORAN_NAME, __func__);
1236 return -ENOMEM;
1237 }
1238 zr->v4l2_dev.notify = zoran_subdev_notify;
1239 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1240 goto zr_free_mem;
1241 zr->pci_dev = pdev;
1242 zr->id = nr;
1243 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1244 spin_lock_init(&zr->spinlock);
1245 mutex_init(&zr->resource_lock);
1246 if (pci_enable_device(pdev))
1247 goto zr_unreg;
1248 pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision);
1249
1250 dprintk(1,
1251 KERN_INFO
1252 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1253 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1254 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1255 if (zr->revision >= 2) {
1256 dprintk(1,
1257 KERN_INFO
1258 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1259 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1260 zr->pci_dev->subsystem_device);
1261 }
1262
1263 /* Use auto-detected card type? */
1264 if (card[nr] == -1) {
1265 if (zr->revision < 2) {
1266 dprintk(1,
1267 KERN_ERR
1268 "%s: No card type specified, please use the card=X module parameter\n",
1269 ZR_DEVNAME(zr));
1270 dprintk(1,
1271 KERN_ERR
1272 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1273 ZR_DEVNAME(zr));
1274 goto zr_unreg;
1275 }
1276
1277 card_num = ent->driver_data;
1278 if (card_num >= NUM_CARDS) {
1279 dprintk(1,
1280 KERN_ERR
1281 "%s: Unknown card, try specifying card=X module parameter\n",
1282 ZR_DEVNAME(zr));
1283 goto zr_unreg;
1284 }
1285 dprintk(3,
1286 KERN_DEBUG
1287 "%s: %s() - card %s detected\n",
1288 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1289 } else {
1290 card_num = card[nr];
1291 if (card_num >= NUM_CARDS || card_num < 0) {
1292 dprintk(1,
1293 KERN_ERR
1294 "%s: User specified card type %d out of range (0 .. %d)\n",
1295 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1296 goto zr_unreg;
1297 }
1298 }
1299
1300 /* even though we make this a non pointer and thus
1301 * theoretically allow for making changes to this struct
1302 * on a per-individual card basis at runtime, this is
1303 * strongly discouraged. This structure is intended to
1304 * keep general card information, no settings or anything */
1305 zr->card = zoran_cards[card_num];
1306 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1307 "%s[%u]", zr->card.name, zr->id);
1308
1309 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1310 if (!zr->zr36057_mem) {
1311 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1312 ZR_DEVNAME(zr), __func__);
1313 goto zr_unreg;
1314 }
1315
1316 result = request_irq(zr->pci_dev->irq, zoran_irq,
1317 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1318 if (result < 0) {
1319 if (result == -EINVAL) {
1320 dprintk(1,
1321 KERN_ERR
1322 "%s: %s - bad irq number or handler\n",
1323 ZR_DEVNAME(zr), __func__);
1324 } else if (result == -EBUSY) {
1325 dprintk(1,
1326 KERN_ERR
1327 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1328 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1329 } else {
1330 dprintk(1,
1331 KERN_ERR
1332 "%s: %s - can't assign irq, error code %d\n",
1333 ZR_DEVNAME(zr), __func__, result);
1334 }
1335 goto zr_unmap;
1336 }
1337
1338 /* set PCI latency timer */
1339 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1340 &latency);
1341 need_latency = zr->revision > 1 ? 32 : 48;
1342 if (latency != need_latency) {
1343 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1344 ZR_DEVNAME(zr), latency, need_latency);
1345 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1346 need_latency);
1347 }
1348
1349 zr36057_restart(zr);
1350 /* i2c */
1351 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1352 ZR_DEVNAME(zr));
1353
1354 if (zoran_register_i2c(zr) < 0) {
1355 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1356 ZR_DEVNAME(zr), __func__);
1357 goto zr_free_irq;
1358 }
1359
1360 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1361 &zr->i2c_adapter, zr->card.mod_decoder, zr->card.i2c_decoder,
1362 0, zr->card.addrs_decoder);
1363
1364 if (zr->card.mod_encoder)
1365 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1366 &zr->i2c_adapter,
1367 zr->card.mod_encoder, zr->card.i2c_encoder,
1368 0, zr->card.addrs_encoder);
1369
1370 dprintk(2,
1371 KERN_INFO "%s: Initializing videocodec bus...\n",
1372 ZR_DEVNAME(zr));
1373
1374 if (zr->card.video_codec) {
1375 codec_name = codecid_to_modulename(zr->card.video_codec);
1376 if (codec_name) {
1377 result = request_module(codec_name);
1378 if (result) {
1379 dprintk(1,
1380 KERN_ERR
1381 "%s: failed to load modules %s: %d\n",
1382 ZR_DEVNAME(zr), codec_name, result);
1383 }
1384 }
1385 }
1386 if (zr->card.video_vfe) {
1387 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1388 if (vfe_name) {
1389 result = request_module(vfe_name);
1390 if (result < 0) {
1391 dprintk(1,
1392 KERN_ERR
1393 "%s: failed to load modules %s: %d\n",
1394 ZR_DEVNAME(zr), vfe_name, result);
1395 }
1396 }
1397 }
1398
1399 /* reset JPEG codec */
1400 jpeg_codec_sleep(zr, 1);
1401 jpeg_codec_reset(zr);
1402 /* video bus enabled */
1403 /* display codec revision */
1404 if (zr->card.video_codec != 0) {
1405 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1406 if (!master_codec)
1407 goto zr_unreg_i2c;
1408 zr->codec = videocodec_attach(master_codec);
1409 if (!zr->codec) {
1410 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1411 ZR_DEVNAME(zr), __func__);
1412 goto zr_free_codec;
1413 }
1414 if (zr->codec->type != zr->card.video_codec) {
1415 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1416 ZR_DEVNAME(zr), __func__);
1417 goto zr_detach_codec;
1418 }
1419 }
1420 if (zr->card.video_vfe != 0) {
1421 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1422 if (!master_vfe)
1423 goto zr_detach_codec;
1424 zr->vfe = videocodec_attach(master_vfe);
1425 if (!zr->vfe) {
1426 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1427 ZR_DEVNAME(zr), __func__);
1428 goto zr_free_vfe;
1429 }
1430 if (zr->vfe->type != zr->card.video_vfe) {
1431 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1432 ZR_DEVNAME(zr), __func__);
1433 goto zr_detach_vfe;
1434 }
1435 }
1436
1437 /* take care of Natoma chipset and a revision 1 zr36057 */
1438 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1439 zr->jpg_buffers.need_contiguous = 1;
1440 dprintk(1, KERN_INFO
1441 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1442 ZR_DEVNAME(zr));
1443 }
1444
1445 if (zr36057_init(zr) < 0)
1446 goto zr_detach_vfe;
1447
1448 zoran_proc_init(zr);
1449
1450 return 0;
1451
1452 zr_detach_vfe:
1453 videocodec_detach(zr->vfe);
1454 zr_free_vfe:
1455 kfree(master_vfe);
1456 zr_detach_codec:
1457 videocodec_detach(zr->codec);
1458 zr_free_codec:
1459 kfree(master_codec);
1460 zr_unreg_i2c:
1461 zoran_unregister_i2c(zr);
1462 zr_free_irq:
1463 btwrite(0, ZR36057_SPGPPCR);
1464 free_irq(zr->pci_dev->irq, zr);
1465 zr_unmap:
1466 iounmap(zr->zr36057_mem);
1467 zr_unreg:
1468 v4l2_device_unregister(&zr->v4l2_dev);
1469 zr_free_mem:
1470 kfree(zr);
1471
1472 return -ENODEV;
1473 }
1474
1475 static struct pci_driver zoran_driver = {
1476 .name = "zr36067",
1477 .id_table = zr36067_pci_tbl,
1478 .probe = zoran_probe,
1479 .remove = __devexit_p(zoran_remove),
1480 };
1481
1482 static int __init zoran_init(void)
1483 {
1484 int res;
1485
1486 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1487 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1488
1489 /* check the parameters we have been given, adjust if necessary */
1490 if (v4l_nbufs < 2)
1491 v4l_nbufs = 2;
1492 if (v4l_nbufs > VIDEO_MAX_FRAME)
1493 v4l_nbufs = VIDEO_MAX_FRAME;
1494 /* The user specfies the in KB, we want them in byte
1495 * (and page aligned) */
1496 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1497 if (v4l_bufsize < 32768)
1498 v4l_bufsize = 32768;
1499 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1500 if (v4l_bufsize > 2048 * 1024)
1501 v4l_bufsize = 2048 * 1024;
1502 if (jpg_nbufs < 4)
1503 jpg_nbufs = 4;
1504 if (jpg_nbufs > BUZ_MAX_FRAME)
1505 jpg_nbufs = BUZ_MAX_FRAME;
1506 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1507 if (jpg_bufsize < 8192)
1508 jpg_bufsize = 8192;
1509 if (jpg_bufsize > (512 * 1024))
1510 jpg_bufsize = 512 * 1024;
1511 /* Use parameter for vidmem or try to find a video card */
1512 if (vidmem) {
1513 dprintk(1,
1514 KERN_INFO
1515 "%s: Using supplied video memory base address @ 0x%lx\n",
1516 ZORAN_NAME, vidmem);
1517 }
1518
1519 /* some mainboards might not do PCI-PCI data transfer well */
1520 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1521 dprintk(1,
1522 KERN_WARNING
1523 "%s: chipset does not support reliable PCI-PCI DMA\n",
1524 ZORAN_NAME);
1525 }
1526
1527 res = pci_register_driver(&zoran_driver);
1528 if (res) {
1529 dprintk(1,
1530 KERN_ERR
1531 "%s: Unable to register ZR36057 driver\n",
1532 ZORAN_NAME);
1533 return res;
1534 }
1535
1536 return 0;
1537 }
1538
1539 static void __exit zoran_exit(void)
1540 {
1541 pci_unregister_driver(&zoran_driver);
1542 }
1543
1544 module_init(zoran_init);
1545 module_exit(zoran_exit);