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Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
[linux/fpc-iii.git] / drivers / media / video / zoran / zoran_card.c
blob03dc2f3cf84af17d33530a3a6b6cc941764dbdd2
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 zr->i2c_adapter.id = I2C_HW_B_ZR36067;
736 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
737 sizeof(zr->i2c_adapter.name));
738 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
739 zr->i2c_adapter.algo_data = &zr->i2c_algo;
740 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
741 return i2c_bit_add_bus(&zr->i2c_adapter);
742 }
743
744 static void
745 zoran_unregister_i2c (struct zoran *zr)
746 {
747 i2c_del_adapter(&zr->i2c_adapter);
748 }
749
750 /* Check a zoran_params struct for correctness, insert default params */
751
752 int
753 zoran_check_jpg_settings (struct zoran *zr,
754 struct zoran_jpg_settings *settings,
755 int try)
756 {
757 int err = 0, err0 = 0;
758
759 dprintk(4,
760 KERN_DEBUG
761 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
762 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
763 settings->VerDcm, settings->TmpDcm);
764 dprintk(4,
765 KERN_DEBUG
766 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
767 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
768 settings->img_width, settings->img_height);
769 /* Check decimation, set default values for decimation = 1, 2, 4 */
770 switch (settings->decimation) {
771 case 1:
772
773 settings->HorDcm = 1;
774 settings->VerDcm = 1;
775 settings->TmpDcm = 1;
776 settings->field_per_buff = 2;
777 settings->img_x = 0;
778 settings->img_y = 0;
779 settings->img_width = BUZ_MAX_WIDTH;
780 settings->img_height = BUZ_MAX_HEIGHT / 2;
781 break;
782 case 2:
783
784 settings->HorDcm = 2;
785 settings->VerDcm = 1;
786 settings->TmpDcm = 2;
787 settings->field_per_buff = 1;
788 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
789 settings->img_y = 0;
790 settings->img_width =
791 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
792 settings->img_height = BUZ_MAX_HEIGHT / 2;
793 break;
794 case 4:
795
796 if (zr->card.type == DC10_new) {
797 dprintk(1,
798 KERN_DEBUG
799 "%s: %s - HDec by 4 is not supported on the DC10\n",
800 ZR_DEVNAME(zr), __func__);
801 err0++;
802 break;
803 }
804
805 settings->HorDcm = 4;
806 settings->VerDcm = 2;
807 settings->TmpDcm = 2;
808 settings->field_per_buff = 1;
809 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
810 settings->img_y = 0;
811 settings->img_width =
812 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
813 settings->img_height = BUZ_MAX_HEIGHT / 2;
814 break;
815 case 0:
816
817 /* We have to check the data the user has set */
818
819 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
820 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
821 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
822 err0++;
823 }
824 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
825 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
826 err0++;
827 }
828 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
829 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
830 err0++;
831 }
832 if (settings->field_per_buff != 1 &&
833 settings->field_per_buff != 2) {
834 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
835 err0++;
836 }
837 if (settings->img_x < 0) {
838 settings->img_x = 0;
839 err0++;
840 }
841 if (settings->img_y < 0) {
842 settings->img_y = 0;
843 err0++;
844 }
845 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
846 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
847 err0++;
848 }
849 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
850 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
851 err0++;
852 }
853 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
854 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
855 err0++;
856 }
857 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
858 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
859 err0++;
860 }
861 if (settings->img_width % (16 * settings->HorDcm) != 0) {
862 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
863 if (settings->img_width == 0)
864 settings->img_width = 16 * settings->HorDcm;
865 err0++;
866 }
867 if (settings->img_height % (8 * settings->VerDcm) != 0) {
868 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
869 if (settings->img_height == 0)
870 settings->img_height = 8 * settings->VerDcm;
871 err0++;
872 }
873
874 if (!try && err0) {
875 dprintk(1,
876 KERN_ERR
877 "%s: %s - error in params for decimation = 0\n",
878 ZR_DEVNAME(zr), __func__);
879 err++;
880 }
881 break;
882 default:
883 dprintk(1,
884 KERN_ERR
885 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
886 ZR_DEVNAME(zr), __func__, settings->decimation);
887 err++;
888 break;
889 }
890
891 if (settings->jpg_comp.quality > 100)
892 settings->jpg_comp.quality = 100;
893 if (settings->jpg_comp.quality < 5)
894 settings->jpg_comp.quality = 5;
895 if (settings->jpg_comp.APPn < 0)
896 settings->jpg_comp.APPn = 0;
897 if (settings->jpg_comp.APPn > 15)
898 settings->jpg_comp.APPn = 15;
899 if (settings->jpg_comp.APP_len < 0)
900 settings->jpg_comp.APP_len = 0;
901 if (settings->jpg_comp.APP_len > 60)
902 settings->jpg_comp.APP_len = 60;
903 if (settings->jpg_comp.COM_len < 0)
904 settings->jpg_comp.COM_len = 0;
905 if (settings->jpg_comp.COM_len > 60)
906 settings->jpg_comp.COM_len = 60;
907 if (err)
908 return -EINVAL;
909 return 0;
910 }
911
912 void
913 zoran_open_init_params (struct zoran *zr)
914 {
915 int i;
916
917 /* User must explicitly set a window */
918 zr->overlay_settings.is_set = 0;
919 zr->overlay_mask = NULL;
920 zr->overlay_active = ZORAN_FREE;
921
922 zr->v4l_memgrab_active = 0;
923 zr->v4l_overlay_active = 0;
924 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
925 zr->v4l_grab_seq = 0;
926 zr->v4l_settings.width = 192;
927 zr->v4l_settings.height = 144;
928 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
929 zr->v4l_settings.bytesperline =
930 zr->v4l_settings.width *
931 ((zr->v4l_settings.format->depth + 7) / 8);
932
933 /* DMA ring stuff for V4L */
934 zr->v4l_pend_tail = 0;
935 zr->v4l_pend_head = 0;
936 zr->v4l_sync_tail = 0;
937 zr->v4l_buffers.active = ZORAN_FREE;
938 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
939 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
940 }
941 zr->v4l_buffers.allocated = 0;
942
943 for (i = 0; i < BUZ_MAX_FRAME; i++) {
944 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
945 }
946 zr->jpg_buffers.active = ZORAN_FREE;
947 zr->jpg_buffers.allocated = 0;
948 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
949 zr->jpg_settings.decimation = 1;
950 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
951 if (zr->card.type != BUZ)
952 zr->jpg_settings.odd_even = 1;
953 else
954 zr->jpg_settings.odd_even = 0;
955 zr->jpg_settings.jpg_comp.APPn = 0;
956 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
957 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
958 sizeof(zr->jpg_settings.jpg_comp.APP_data));
959 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
960 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
961 sizeof(zr->jpg_settings.jpg_comp.COM_data));
962 zr->jpg_settings.jpg_comp.jpeg_markers =
963 JPEG_MARKER_DHT | JPEG_MARKER_DQT;
964 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
965 if (i)
966 dprintk(1, KERN_ERR "%s: %s internal error\n",
967 ZR_DEVNAME(zr), __func__);
968
969 clear_interrupt_counters(zr);
970 zr->testing = 0;
971 }
972
973 static void __devinit
974 test_interrupts (struct zoran *zr)
975 {
976 DEFINE_WAIT(wait);
977 int timeout, icr;
978
979 clear_interrupt_counters(zr);
980
981 zr->testing = 1;
982 icr = btread(ZR36057_ICR);
983 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
984 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
985 timeout = schedule_timeout(HZ);
986 finish_wait(&zr->test_q, &wait);
987 btwrite(0, ZR36057_ICR);
988 btwrite(0x78000000, ZR36057_ISR);
989 zr->testing = 0;
990 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
991 if (timeout) {
992 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
993 }
994 if (zr36067_debug > 1)
995 print_interrupts(zr);
996 btwrite(icr, ZR36057_ICR);
997 }
998
999 static int __devinit
1000 zr36057_init (struct zoran *zr)
1001 {
1002 int j, err;
1003
1004 dprintk(1,
1005 KERN_INFO
1006 "%s: %s - initializing card[%d], zr=%p\n",
1007 ZR_DEVNAME(zr), __func__, zr->id, zr);
1008
1009 /* default setup of all parameters which will persist between opens */
1010 zr->user = 0;
1011
1012 init_waitqueue_head(&zr->v4l_capq);
1013 init_waitqueue_head(&zr->jpg_capq);
1014 init_waitqueue_head(&zr->test_q);
1015 zr->jpg_buffers.allocated = 0;
1016 zr->v4l_buffers.allocated = 0;
1017
1018 zr->vbuf_base = (void *) vidmem;
1019 zr->vbuf_width = 0;
1020 zr->vbuf_height = 0;
1021 zr->vbuf_depth = 0;
1022 zr->vbuf_bytesperline = 0;
1023
1024 /* Avoid nonsense settings from user for default input/norm */
1025 if (default_norm < 0 || default_norm > 2)
1026 default_norm = 0;
1027 if (default_norm == 0) {
1028 zr->norm = V4L2_STD_PAL;
1029 zr->timing = zr->card.tvn[0];
1030 } else if (default_norm == 1) {
1031 zr->norm = V4L2_STD_NTSC;
1032 zr->timing = zr->card.tvn[1];
1033 } else {
1034 zr->norm = V4L2_STD_SECAM;
1035 zr->timing = zr->card.tvn[2];
1036 }
1037 if (zr->timing == NULL) {
1038 dprintk(1,
1039 KERN_WARNING
1040 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1041 ZR_DEVNAME(zr), __func__);
1042 zr->norm = V4L2_STD_PAL;
1043 zr->timing = zr->card.tvn[0];
1044 }
1045
1046 if (default_input > zr->card.inputs-1) {
1047 dprintk(1,
1048 KERN_WARNING
1049 "%s: default_input value %d out of range (0-%d)\n",
1050 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1051 default_input = 0;
1052 }
1053 zr->input = default_input;
1054
1055 /* default setup (will be repeated at every open) */
1056 zoran_open_init_params(zr);
1057
1058 /* allocate memory *before* doing anything to the hardware
1059 * in case allocation fails */
1060 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1061 zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1062 if (!zr->stat_com || !zr->video_dev) {
1063 dprintk(1,
1064 KERN_ERR
1065 "%s: %s - kmalloc (STAT_COM) failed\n",
1066 ZR_DEVNAME(zr), __func__);
1067 err = -ENOMEM;
1068 goto exit_free;
1069 }
1070 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1071 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1072 }
1073
1074 /*
1075 * Now add the template and register the device unit.
1076 */
1077 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1078 zr->video_dev->parent = &zr->pci_dev->dev;
1079 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1080 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1081 if (err < 0)
1082 goto exit_free;
1083 video_set_drvdata(zr->video_dev, zr);
1084
1085 zoran_init_hardware(zr);
1086 if (zr36067_debug > 2)
1087 detect_guest_activity(zr);
1088 test_interrupts(zr);
1089 if (!pass_through) {
1090 decoder_call(zr, video, s_stream, 0);
1091 encoder_call(zr, video, s_routing, 2, 0, 0);
1092 }
1093
1094 zr->zoran_proc = NULL;
1095 zr->initialized = 1;
1096 return 0;
1097
1098 exit_free:
1099 kfree(zr->stat_com);
1100 kfree(zr->video_dev);
1101 return err;
1102 }
1103
1104 static void __devexit zoran_remove(struct pci_dev *pdev)
1105 {
1106 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1107 struct zoran *zr = to_zoran(v4l2_dev);
1108
1109 if (!zr->initialized)
1110 goto exit_free;
1111
1112 /* unregister videocodec bus */
1113 if (zr->codec) {
1114 struct videocodec_master *master = zr->codec->master_data;
1115
1116 videocodec_detach(zr->codec);
1117 kfree(master);
1118 }
1119 if (zr->vfe) {
1120 struct videocodec_master *master = zr->vfe->master_data;
1121
1122 videocodec_detach(zr->vfe);
1123 kfree(master);
1124 }
1125
1126 /* unregister i2c bus */
1127 zoran_unregister_i2c(zr);
1128 /* disable PCI bus-mastering */
1129 zoran_set_pci_master(zr, 0);
1130 /* put chip into reset */
1131 btwrite(0, ZR36057_SPGPPCR);
1132 free_irq(zr->pci_dev->irq, zr);
1133 /* unmap and free memory */
1134 kfree(zr->stat_com);
1135 zoran_proc_cleanup(zr);
1136 iounmap(zr->zr36057_mem);
1137 pci_disable_device(zr->pci_dev);
1138 video_unregister_device(zr->video_dev);
1139 exit_free:
1140 v4l2_device_unregister(&zr->v4l2_dev);
1141 kfree(zr);
1142 }
1143
1144 void
1145 zoran_vdev_release (struct video_device *vdev)
1146 {
1147 kfree(vdev);
1148 }
1149
1150 static struct videocodec_master * __devinit
1151 zoran_setup_videocodec (struct zoran *zr,
1152 int type)
1153 {
1154 struct videocodec_master *m = NULL;
1155
1156 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1157 if (!m) {
1158 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1159 ZR_DEVNAME(zr), __func__);
1160 return m;
1161 }
1162
1163 /* magic and type are unused for master struct. Makes sense only at
1164 codec structs.
1165 In the past, .type were initialized to the old V4L1 .hardware
1166 value, as VID_HARDWARE_ZR36067
1167 */
1168 m->magic = 0L;
1169 m->type = 0;
1170
1171 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1172 strncpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1173 m->data = zr;
1174
1175 switch (type)
1176 {
1177 case CODEC_TYPE_ZR36060:
1178 m->readreg = zr36060_read;
1179 m->writereg = zr36060_write;
1180 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1181 break;
1182 case CODEC_TYPE_ZR36050:
1183 m->readreg = zr36050_read;
1184 m->writereg = zr36050_write;
1185 m->flags |= CODEC_FLAG_JPEG;
1186 break;
1187 case CODEC_TYPE_ZR36016:
1188 m->readreg = zr36016_read;
1189 m->writereg = zr36016_write;
1190 m->flags |= CODEC_FLAG_VFE;
1191 break;
1192 }
1193
1194 return m;
1195 }
1196
1197 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1198 {
1199 struct zoran *zr = to_zoran(sd->v4l2_dev);
1200
1201 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1202 LML33 card uses GPIO(7) for that. */
1203 if (cmd == BT819_FIFO_RESET_LOW)
1204 GPIO(zr, 7, 0);
1205 else if (cmd == BT819_FIFO_RESET_HIGH)
1206 GPIO(zr, 7, 1);
1207 }
1208
1209 /*
1210 * Scan for a Buz card (actually for the PCI controller ZR36057),
1211 * request the irq and map the io memory
1212 */
1213 static int __devinit zoran_probe(struct pci_dev *pdev,
1214 const struct pci_device_id *ent)
1215 {
1216 unsigned char latency, need_latency;
1217 struct zoran *zr;
1218 int result;
1219 struct videocodec_master *master_vfe = NULL;
1220 struct videocodec_master *master_codec = NULL;
1221 int card_num;
1222 char *codec_name, *vfe_name;
1223 unsigned int nr;
1224
1225
1226 nr = zoran_num++;
1227 if (nr >= BUZ_MAX) {
1228 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1229 ZORAN_NAME, BUZ_MAX);
1230 return -ENOENT;
1231 }
1232
1233 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1234 if (!zr) {
1235 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1236 ZORAN_NAME, __func__);
1237 return -ENOMEM;
1238 }
1239 zr->v4l2_dev.notify = zoran_subdev_notify;
1240 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1241 goto zr_free_mem;
1242 zr->pci_dev = pdev;
1243 zr->id = nr;
1244 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1245 spin_lock_init(&zr->spinlock);
1246 mutex_init(&zr->resource_lock);
1247 if (pci_enable_device(pdev))
1248 goto zr_unreg;
1249 pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision);
1250
1251 dprintk(1,
1252 KERN_INFO
1253 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1254 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1255 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1256 if (zr->revision >= 2) {
1257 dprintk(1,
1258 KERN_INFO
1259 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1260 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1261 zr->pci_dev->subsystem_device);
1262 }
1263
1264 /* Use auto-detected card type? */
1265 if (card[nr] == -1) {
1266 if (zr->revision < 2) {
1267 dprintk(1,
1268 KERN_ERR
1269 "%s: No card type specified, please use the card=X module parameter\n",
1270 ZR_DEVNAME(zr));
1271 dprintk(1,
1272 KERN_ERR
1273 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1274 ZR_DEVNAME(zr));
1275 goto zr_unreg;
1276 }
1277
1278 card_num = ent->driver_data;
1279 if (card_num >= NUM_CARDS) {
1280 dprintk(1,
1281 KERN_ERR
1282 "%s: Unknown card, try specifying card=X module parameter\n",
1283 ZR_DEVNAME(zr));
1284 goto zr_unreg;
1285 }
1286 dprintk(3,
1287 KERN_DEBUG
1288 "%s: %s() - card %s detected\n",
1289 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1290 } else {
1291 card_num = card[nr];
1292 if (card_num >= NUM_CARDS || card_num < 0) {
1293 dprintk(1,
1294 KERN_ERR
1295 "%s: User specified card type %d out of range (0 .. %d)\n",
1296 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1297 goto zr_unreg;
1298 }
1299 }
1300
1301 /* even though we make this a non pointer and thus
1302 * theoretically allow for making changes to this struct
1303 * on a per-individual card basis at runtime, this is
1304 * strongly discouraged. This structure is intended to
1305 * keep general card information, no settings or anything */
1306 zr->card = zoran_cards[card_num];
1307 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1308 "%s[%u]", zr->card.name, zr->id);
1309
1310 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1311 if (!zr->zr36057_mem) {
1312 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1313 ZR_DEVNAME(zr), __func__);
1314 goto zr_unreg;
1315 }
1316
1317 result = request_irq(zr->pci_dev->irq, zoran_irq,
1318 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1319 if (result < 0) {
1320 if (result == -EINVAL) {
1321 dprintk(1,
1322 KERN_ERR
1323 "%s: %s - bad irq number or handler\n",
1324 ZR_DEVNAME(zr), __func__);
1325 } else if (result == -EBUSY) {
1326 dprintk(1,
1327 KERN_ERR
1328 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1329 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1330 } else {
1331 dprintk(1,
1332 KERN_ERR
1333 "%s: %s - can't assign irq, error code %d\n",
1334 ZR_DEVNAME(zr), __func__, result);
1335 }
1336 goto zr_unmap;
1337 }
1338
1339 /* set PCI latency timer */
1340 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1341 &latency);
1342 need_latency = zr->revision > 1 ? 32 : 48;
1343 if (latency != need_latency) {
1344 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1345 ZR_DEVNAME(zr), latency, need_latency);
1346 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1347 need_latency);
1348 }
1349
1350 zr36057_restart(zr);
1351 /* i2c */
1352 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1353 ZR_DEVNAME(zr));
1354
1355 if (zoran_register_i2c(zr) < 0) {
1356 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1357 ZR_DEVNAME(zr), __func__);
1358 goto zr_free_irq;
1359 }
1360
1361 zr->decoder = v4l2_i2c_new_probed_subdev(&zr->v4l2_dev,
1362 &zr->i2c_adapter, zr->card.mod_decoder, zr->card.i2c_decoder,
1363 zr->card.addrs_decoder);
1364
1365 if (zr->card.mod_encoder)
1366 zr->encoder = v4l2_i2c_new_probed_subdev(&zr->v4l2_dev,
1367 &zr->i2c_adapter,
1368 zr->card.mod_encoder, zr->card.i2c_encoder,
1369 zr->card.addrs_encoder);
1370
1371 dprintk(2,
1372 KERN_INFO "%s: Initializing videocodec bus...\n",
1373 ZR_DEVNAME(zr));
1374
1375 if (zr->card.video_codec) {
1376 codec_name = codecid_to_modulename(zr->card.video_codec);
1377 if (codec_name) {
1378 result = request_module(codec_name);
1379 if (result) {
1380 dprintk(1,
1381 KERN_ERR
1382 "%s: failed to load modules %s: %d\n",
1383 ZR_DEVNAME(zr), codec_name, result);
1384 }
1385 }
1386 }
1387 if (zr->card.video_vfe) {
1388 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1389 if (vfe_name) {
1390 result = request_module(vfe_name);
1391 if (result < 0) {
1392 dprintk(1,
1393 KERN_ERR
1394 "%s: failed to load modules %s: %d\n",
1395 ZR_DEVNAME(zr), vfe_name, result);
1396 }
1397 }
1398 }
1399
1400 /* reset JPEG codec */
1401 jpeg_codec_sleep(zr, 1);
1402 jpeg_codec_reset(zr);
1403 /* video bus enabled */
1404 /* display codec revision */
1405 if (zr->card.video_codec != 0) {
1406 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1407 if (!master_codec)
1408 goto zr_unreg_i2c;
1409 zr->codec = videocodec_attach(master_codec);
1410 if (!zr->codec) {
1411 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1412 ZR_DEVNAME(zr), __func__);
1413 goto zr_free_codec;
1414 }
1415 if (zr->codec->type != zr->card.video_codec) {
1416 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1417 ZR_DEVNAME(zr), __func__);
1418 goto zr_detach_codec;
1419 }
1420 }
1421 if (zr->card.video_vfe != 0) {
1422 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1423 if (!master_vfe)
1424 goto zr_detach_codec;
1425 zr->vfe = videocodec_attach(master_vfe);
1426 if (!zr->vfe) {
1427 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1428 ZR_DEVNAME(zr), __func__);
1429 goto zr_free_vfe;
1430 }
1431 if (zr->vfe->type != zr->card.video_vfe) {
1432 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1433 ZR_DEVNAME(zr), __func__);
1434 goto zr_detach_vfe;
1435 }
1436 }
1437
1438 /* take care of Natoma chipset and a revision 1 zr36057 */
1439 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1440 zr->jpg_buffers.need_contiguous = 1;
1441 dprintk(1, KERN_INFO
1442 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1443 ZR_DEVNAME(zr));
1444 }
1445
1446 if (zr36057_init(zr) < 0)
1447 goto zr_detach_vfe;
1448
1449 zoran_proc_init(zr);
1450
1451 return 0;
1452
1453 zr_detach_vfe:
1454 videocodec_detach(zr->vfe);
1455 zr_free_vfe:
1456 kfree(master_vfe);
1457 zr_detach_codec:
1458 videocodec_detach(zr->codec);
1459 zr_free_codec:
1460 kfree(master_codec);
1461 zr_unreg_i2c:
1462 zoran_unregister_i2c(zr);
1463 zr_free_irq:
1464 btwrite(0, ZR36057_SPGPPCR);
1465 free_irq(zr->pci_dev->irq, zr);
1466 zr_unmap:
1467 iounmap(zr->zr36057_mem);
1468 zr_unreg:
1469 v4l2_device_unregister(&zr->v4l2_dev);
1470 zr_free_mem:
1471 kfree(zr);
1472
1473 return -ENODEV;
1474 }
1475
1476 static struct pci_driver zoran_driver = {
1477 .name = "zr36067",
1478 .id_table = zr36067_pci_tbl,
1479 .probe = zoran_probe,
1480 .remove = __devexit_p(zoran_remove),
1481 };
1482
1483 static int __init zoran_init(void)
1484 {
1485 int res;
1486
1487 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1488 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1489
1490 /* check the parameters we have been given, adjust if necessary */
1491 if (v4l_nbufs < 2)
1492 v4l_nbufs = 2;
1493 if (v4l_nbufs > VIDEO_MAX_FRAME)
1494 v4l_nbufs = VIDEO_MAX_FRAME;
1495 /* The user specfies the in KB, we want them in byte
1496 * (and page aligned) */
1497 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1498 if (v4l_bufsize < 32768)
1499 v4l_bufsize = 32768;
1500 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1501 if (v4l_bufsize > 2048 * 1024)
1502 v4l_bufsize = 2048 * 1024;
1503 if (jpg_nbufs < 4)
1504 jpg_nbufs = 4;
1505 if (jpg_nbufs > BUZ_MAX_FRAME)
1506 jpg_nbufs = BUZ_MAX_FRAME;
1507 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1508 if (jpg_bufsize < 8192)
1509 jpg_bufsize = 8192;
1510 if (jpg_bufsize > (512 * 1024))
1511 jpg_bufsize = 512 * 1024;
1512 /* Use parameter for vidmem or try to find a video card */
1513 if (vidmem) {
1514 dprintk(1,
1515 KERN_INFO
1516 "%s: Using supplied video memory base address @ 0x%lx\n",
1517 ZORAN_NAME, vidmem);
1518 }
1519
1520 /* some mainboards might not do PCI-PCI data transfer well */
1521 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1522 dprintk(1,
1523 KERN_WARNING
1524 "%s: chipset does not support reliable PCI-PCI DMA\n",
1525 ZORAN_NAME);
1526 }
1527
1528 res = pci_register_driver(&zoran_driver);
1529 if (res) {
1530 dprintk(1,
1531 KERN_ERR
1532 "%s: Unable to register ZR36057 driver\n",
1533 ZORAN_NAME);
1534 return res;
1535 }
1536
1537 return 0;
1538 }
1539
1540 static void __exit zoran_exit(void)
1541 {
1542 pci_unregister_driver(&zoran_driver);
1543 }
1544
1545 module_init(zoran_init);
1546 module_exit(zoran_exit);
Linux with added FPC-III support