Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / media / video / zoran / zoran_card.c
blobc3602d6cd48e839f9fa1cadbad9e8ab9e4e9bcc6
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.
6 * This part handles card-specific data and detection
8 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
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>
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.
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.
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.
30 #include <linux/delay.h>
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>
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>
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>
55 #include "videocodec.h"
56 #include "zoran.h"
57 #include "zoran_card.h"
58 #include "zoran_device.h"
59 #include "zoran_procfs.h"
61 extern const struct zoran_format zoran_formats[];
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");
68 The video mem address of the video card.
69 The driver has a little database for some videocards
70 to determine it from there. If your video card is not in there
71 you have either to give it to the driver as a parameter
72 or set in in a VIDIOCSFBUF ioctl
75 static unsigned long vidmem; /* default = 0 - Video memory base address */
76 module_param(vidmem, ulong, 0444);
77 MODULE_PARM_DESC(vidmem, "Default video memory base address");
80 Default input and video norm at startup of the driver.
83 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
84 module_param(default_input, uint, 0444);
85 MODULE_PARM_DESC(default_input,
86 "Default input (0=Composite, 1=S-Video, 2=Internal)");
88 static int default_mux = 1; /* 6 Eyes input selection */
89 module_param(default_mux, int, 0644);
90 MODULE_PARM_DESC(default_mux,
91 "Default 6 Eyes mux setting (Input selection)");
93 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
94 module_param(default_norm, int, 0444);
95 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
97 /* /dev/videoN, -1 for autodetect */
98 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
99 module_param_array(video_nr, int, NULL, 0444);
100 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
102 int v4l_nbufs = 4;
103 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
104 module_param(v4l_nbufs, int, 0644);
105 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
106 module_param(v4l_bufsize, int, 0644);
107 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
109 int jpg_nbufs = 32;
110 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
111 module_param(jpg_nbufs, int, 0644);
112 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
113 module_param(jpg_bufsize, int, 0644);
114 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
116 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
117 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
118 module_param(pass_through, int, 0644);
119 MODULE_PARM_DESC(pass_through,
120 "Pass TV signal through to TV-out when idling");
122 int zr36067_debug = 1;
123 module_param_named(debug, zr36067_debug, int, 0644);
124 MODULE_PARM_DESC(debug, "Debug level (0-5)");
126 #define ZORAN_VERSION "0.10.1"
128 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
129 MODULE_AUTHOR("Serguei Miridonov");
130 MODULE_LICENSE("GPL");
131 MODULE_VERSION(ZORAN_VERSION);
133 #define ZR_DEVICE(subven, subdev, data) { \
134 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
135 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
137 static struct pci_device_id zr36067_pci_tbl[] = {
138 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
139 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
140 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
141 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
142 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
145 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
147 static unsigned int zoran_num; /* number of cards found */
149 /* videocodec bus functions ZR36060 */
150 static u32
151 zr36060_read (struct videocodec *codec,
152 u16 reg)
154 struct zoran *zr = (struct zoran *) codec->master_data->data;
155 __u32 data;
157 if (post_office_wait(zr)
158 || post_office_write(zr, 0, 1, reg >> 8)
159 || post_office_write(zr, 0, 2, reg & 0xff)) {
160 return -1;
163 data = post_office_read(zr, 0, 3) & 0xff;
164 return data;
167 static void
168 zr36060_write (struct videocodec *codec,
169 u16 reg,
170 u32 val)
172 struct zoran *zr = (struct zoran *) codec->master_data->data;
174 if (post_office_wait(zr)
175 || post_office_write(zr, 0, 1, reg >> 8)
176 || post_office_write(zr, 0, 2, reg & 0xff)) {
177 return;
180 post_office_write(zr, 0, 3, val & 0xff);
183 /* videocodec bus functions ZR36050 */
184 static u32
185 zr36050_read (struct videocodec *codec,
186 u16 reg)
188 struct zoran *zr = (struct zoran *) codec->master_data->data;
189 __u32 data;
191 if (post_office_wait(zr)
192 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
193 return -1;
196 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
197 return data;
200 static void
201 zr36050_write (struct videocodec *codec,
202 u16 reg,
203 u32 val)
205 struct zoran *zr = (struct zoran *) codec->master_data->data;
207 if (post_office_wait(zr)
208 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
209 return;
212 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
215 /* videocodec bus functions ZR36016 */
216 static u32
217 zr36016_read (struct videocodec *codec,
218 u16 reg)
220 struct zoran *zr = (struct zoran *) codec->master_data->data;
221 __u32 data;
223 if (post_office_wait(zr)) {
224 return -1;
227 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
228 return data;
231 /* hack for in zoran_device.c */
232 void
233 zr36016_write (struct videocodec *codec,
234 u16 reg,
235 u32 val)
237 struct zoran *zr = (struct zoran *) codec->master_data->data;
239 if (post_office_wait(zr)) {
240 return;
243 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
247 * Board specific information
250 static void
251 dc10_init (struct zoran *zr)
253 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
255 /* Pixel clock selection */
256 GPIO(zr, 4, 0);
257 GPIO(zr, 5, 1);
258 /* Enable the video bus sync signals */
259 GPIO(zr, 7, 0);
262 static void
263 dc10plus_init (struct zoran *zr)
265 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
268 static void
269 buz_init (struct zoran *zr)
271 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
273 /* some stuff from Iomega */
274 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
275 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
276 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
279 static void
280 lml33_init (struct zoran *zr)
282 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
284 GPIO(zr, 2, 1); // Set Composite input/output
287 static void
288 avs6eyes_init (struct zoran *zr)
290 // AverMedia 6-Eyes original driver by Christer Weinigel
292 // Lifted straight from Christer's old driver and
293 // modified slightly by Martin Samuelsson.
295 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
297 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
298 udelay(2);
300 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
301 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
302 GPIO(zr, 2, mux & 1); /* MUX S0 */
303 GPIO(zr, 3, 0); /* /FRAME on */
304 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
305 GPIO(zr, 5, mux & 2); /* MUX S1 */
306 GPIO(zr, 6, 0); /* ? */
307 GPIO(zr, 7, mux & 4); /* MUX S2 */
311 static char *
312 codecid_to_modulename (u16 codecid)
314 char *name = NULL;
316 switch (codecid) {
317 case CODEC_TYPE_ZR36060:
318 name = "zr36060";
319 break;
320 case CODEC_TYPE_ZR36050:
321 name = "zr36050";
322 break;
323 case CODEC_TYPE_ZR36016:
324 name = "zr36016";
325 break;
328 return name;
331 // struct tvnorm {
332 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
333 // };
335 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
336 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
337 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
338 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
340 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
341 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
343 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
344 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
345 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
347 /* FIXME: I cannot swap U and V in saa7114, so i do one
348 * pixel left shift in zoran (75 -> 74)
349 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
350 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
351 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
353 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
354 * copy Maxim's left shift hack for the 6 Eyes.
356 * Christer's driver used the unshifted norms, though...
357 * /Sam */
358 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
359 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
361 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
362 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
363 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
364 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
365 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
366 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
367 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
368 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
369 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
370 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
372 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
374 .type = DC10_old,
375 .name = "DC10(old)",
376 .i2c_decoder = "vpx3220a",
377 .addrs_decoder = vpx3220_addrs,
378 .video_codec = CODEC_TYPE_ZR36050,
379 .video_vfe = CODEC_TYPE_ZR36016,
381 .inputs = 3,
382 .input = {
383 { 1, "Composite" },
384 { 2, "S-Video" },
385 { 0, "Internal/comp" }
387 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
388 .tvn = {
389 &f50sqpixel_dc10,
390 &f60sqpixel_dc10,
391 &f50sqpixel_dc10
393 .jpeg_int = 0,
394 .vsync_int = ZR36057_ISR_GIRQ1,
395 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
396 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
397 .gpcs = { -1, 0 },
398 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
399 .gws_not_connected = 0,
400 .input_mux = 0,
401 .init = &dc10_init,
402 }, {
403 .type = DC10_new,
404 .name = "DC10(new)",
405 .i2c_decoder = "saa7110",
406 .addrs_decoder = saa7110_addrs,
407 .i2c_encoder = "adv7175",
408 .addrs_encoder = adv717x_addrs,
409 .video_codec = CODEC_TYPE_ZR36060,
411 .inputs = 3,
412 .input = {
413 { 0, "Composite" },
414 { 7, "S-Video" },
415 { 5, "Internal/comp" }
417 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
418 .tvn = {
419 &f50sqpixel,
420 &f60sqpixel,
421 &f50sqpixel},
422 .jpeg_int = ZR36057_ISR_GIRQ0,
423 .vsync_int = ZR36057_ISR_GIRQ1,
424 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
425 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
426 .gpcs = { -1, 1},
427 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
428 .gws_not_connected = 0,
429 .input_mux = 0,
430 .init = &dc10plus_init,
431 }, {
432 .type = DC10plus,
433 .name = "DC10plus",
434 .i2c_decoder = "saa7110",
435 .addrs_decoder = saa7110_addrs,
436 .i2c_encoder = "adv7175",
437 .addrs_encoder = adv717x_addrs,
438 .video_codec = CODEC_TYPE_ZR36060,
440 .inputs = 3,
441 .input = {
442 { 0, "Composite" },
443 { 7, "S-Video" },
444 { 5, "Internal/comp" }
446 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
447 .tvn = {
448 &f50sqpixel,
449 &f60sqpixel,
450 &f50sqpixel
452 .jpeg_int = ZR36057_ISR_GIRQ0,
453 .vsync_int = ZR36057_ISR_GIRQ1,
454 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
455 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
456 .gpcs = { -1, 1 },
457 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
458 .gws_not_connected = 0,
459 .input_mux = 0,
460 .init = &dc10plus_init,
461 }, {
462 .type = DC30,
463 .name = "DC30",
464 .i2c_decoder = "vpx3220a",
465 .addrs_decoder = vpx3220_addrs,
466 .i2c_encoder = "adv7175",
467 .addrs_encoder = adv717x_addrs,
468 .video_codec = CODEC_TYPE_ZR36050,
469 .video_vfe = CODEC_TYPE_ZR36016,
471 .inputs = 3,
472 .input = {
473 { 1, "Composite" },
474 { 2, "S-Video" },
475 { 0, "Internal/comp" }
477 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
478 .tvn = {
479 &f50sqpixel_dc10,
480 &f60sqpixel_dc10,
481 &f50sqpixel_dc10
483 .jpeg_int = 0,
484 .vsync_int = ZR36057_ISR_GIRQ1,
485 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
486 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
487 .gpcs = { -1, 0 },
488 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
489 .gws_not_connected = 0,
490 .input_mux = 0,
491 .init = &dc10_init,
492 }, {
493 .type = DC30plus,
494 .name = "DC30plus",
495 .i2c_decoder = "vpx3220a",
496 .addrs_decoder = vpx3220_addrs,
497 .i2c_encoder = "adv7175",
498 .addrs_encoder = adv717x_addrs,
499 .video_codec = CODEC_TYPE_ZR36050,
500 .video_vfe = CODEC_TYPE_ZR36016,
502 .inputs = 3,
503 .input = {
504 { 1, "Composite" },
505 { 2, "S-Video" },
506 { 0, "Internal/comp" }
508 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
509 .tvn = {
510 &f50sqpixel_dc10,
511 &f60sqpixel_dc10,
512 &f50sqpixel_dc10
514 .jpeg_int = 0,
515 .vsync_int = ZR36057_ISR_GIRQ1,
516 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
517 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
518 .gpcs = { -1, 0 },
519 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
520 .gws_not_connected = 0,
521 .input_mux = 0,
522 .init = &dc10_init,
523 }, {
524 .type = LML33,
525 .name = "LML33",
526 .i2c_decoder = "bt819a",
527 .addrs_decoder = bt819_addrs,
528 .i2c_encoder = "bt856",
529 .addrs_encoder = bt856_addrs,
530 .video_codec = CODEC_TYPE_ZR36060,
532 .inputs = 2,
533 .input = {
534 { 0, "Composite" },
535 { 7, "S-Video" }
537 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
538 .tvn = {
539 &f50ccir601_lml33,
540 &f60ccir601_lml33,
541 NULL
543 .jpeg_int = ZR36057_ISR_GIRQ1,
544 .vsync_int = ZR36057_ISR_GIRQ0,
545 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
546 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
547 .gpcs = { 3, 1 },
548 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
549 .gws_not_connected = 1,
550 .input_mux = 0,
551 .init = &lml33_init,
552 }, {
553 .type = LML33R10,
554 .name = "LML33R10",
555 .i2c_decoder = "saa7114",
556 .addrs_decoder = saa7114_addrs,
557 .i2c_encoder = "adv7170",
558 .addrs_encoder = adv717x_addrs,
559 .video_codec = CODEC_TYPE_ZR36060,
561 .inputs = 2,
562 .input = {
563 { 0, "Composite" },
564 { 7, "S-Video" }
566 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
567 .tvn = {
568 &f50ccir601_lm33r10,
569 &f60ccir601_lm33r10,
570 NULL
572 .jpeg_int = ZR36057_ISR_GIRQ1,
573 .vsync_int = ZR36057_ISR_GIRQ0,
574 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
575 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
576 .gpcs = { 3, 1 },
577 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
578 .gws_not_connected = 1,
579 .input_mux = 0,
580 .init = &lml33_init,
581 }, {
582 .type = BUZ,
583 .name = "Buz",
584 .i2c_decoder = "saa7111",
585 .addrs_decoder = saa7111_addrs,
586 .i2c_encoder = "saa7185",
587 .addrs_encoder = saa7185_addrs,
588 .video_codec = CODEC_TYPE_ZR36060,
590 .inputs = 2,
591 .input = {
592 { 3, "Composite" },
593 { 7, "S-Video" }
595 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
596 .tvn = {
597 &f50ccir601,
598 &f60ccir601,
599 &f50ccir601
601 .jpeg_int = ZR36057_ISR_GIRQ1,
602 .vsync_int = ZR36057_ISR_GIRQ0,
603 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
604 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
605 .gpcs = { 3, 1 },
606 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
607 .gws_not_connected = 1,
608 .input_mux = 0,
609 .init = &buz_init,
610 }, {
611 .type = AVS6EYES,
612 .name = "6-Eyes",
613 /* AverMedia chose not to brand the 6-Eyes. Thus it
614 can't be autodetected, and requires card=x. */
615 .i2c_decoder = "ks0127",
616 .addrs_decoder = ks0127_addrs,
617 .i2c_encoder = "bt866",
618 .addrs_encoder = bt866_addrs,
619 .video_codec = CODEC_TYPE_ZR36060,
621 .inputs = 10,
622 .input = {
623 { 0, "Composite 1" },
624 { 1, "Composite 2" },
625 { 2, "Composite 3" },
626 { 4, "Composite 4" },
627 { 5, "Composite 5" },
628 { 6, "Composite 6" },
629 { 8, "S-Video 1" },
630 { 9, "S-Video 2" },
631 {10, "S-Video 3" },
632 {15, "YCbCr" }
634 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
635 .tvn = {
636 &f50ccir601_avs6eyes,
637 &f60ccir601_avs6eyes,
638 NULL
640 .jpeg_int = ZR36057_ISR_GIRQ1,
641 .vsync_int = ZR36057_ISR_GIRQ0,
642 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
643 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
644 .gpcs = { 3, 1 }, // Validity unknown /Sam
645 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
646 .gws_not_connected = 1,
647 .input_mux = 1,
648 .init = &avs6eyes_init,
654 * I2C functions
656 /* software I2C functions */
657 static int
658 zoran_i2c_getsda (void *data)
660 struct zoran *zr = (struct zoran *) data;
662 return (btread(ZR36057_I2CBR) >> 1) & 1;
665 static int
666 zoran_i2c_getscl (void *data)
668 struct zoran *zr = (struct zoran *) data;
670 return btread(ZR36057_I2CBR) & 1;
673 static void
674 zoran_i2c_setsda (void *data,
675 int state)
677 struct zoran *zr = (struct zoran *) data;
679 if (state)
680 zr->i2cbr |= 2;
681 else
682 zr->i2cbr &= ~2;
683 btwrite(zr->i2cbr, ZR36057_I2CBR);
686 static void
687 zoran_i2c_setscl (void *data,
688 int state)
690 struct zoran *zr = (struct zoran *) data;
692 if (state)
693 zr->i2cbr |= 1;
694 else
695 zr->i2cbr &= ~1;
696 btwrite(zr->i2cbr, ZR36057_I2CBR);
699 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
700 .setsda = zoran_i2c_setsda,
701 .setscl = zoran_i2c_setscl,
702 .getsda = zoran_i2c_getsda,
703 .getscl = zoran_i2c_getscl,
704 .udelay = 10,
705 .timeout = 100,
708 static int
709 zoran_register_i2c (struct zoran *zr)
711 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
712 sizeof(struct i2c_algo_bit_data));
713 zr->i2c_algo.data = zr;
714 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
715 sizeof(zr->i2c_adapter.name));
716 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
717 zr->i2c_adapter.algo_data = &zr->i2c_algo;
718 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
719 return i2c_bit_add_bus(&zr->i2c_adapter);
722 static void
723 zoran_unregister_i2c (struct zoran *zr)
725 i2c_del_adapter(&zr->i2c_adapter);
728 /* Check a zoran_params struct for correctness, insert default params */
731 zoran_check_jpg_settings (struct zoran *zr,
732 struct zoran_jpg_settings *settings,
733 int try)
735 int err = 0, err0 = 0;
737 dprintk(4,
738 KERN_DEBUG
739 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
740 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
741 settings->VerDcm, settings->TmpDcm);
742 dprintk(4,
743 KERN_DEBUG
744 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
745 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
746 settings->img_width, settings->img_height);
747 /* Check decimation, set default values for decimation = 1, 2, 4 */
748 switch (settings->decimation) {
749 case 1:
751 settings->HorDcm = 1;
752 settings->VerDcm = 1;
753 settings->TmpDcm = 1;
754 settings->field_per_buff = 2;
755 settings->img_x = 0;
756 settings->img_y = 0;
757 settings->img_width = BUZ_MAX_WIDTH;
758 settings->img_height = BUZ_MAX_HEIGHT / 2;
759 break;
760 case 2:
762 settings->HorDcm = 2;
763 settings->VerDcm = 1;
764 settings->TmpDcm = 2;
765 settings->field_per_buff = 1;
766 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
767 settings->img_y = 0;
768 settings->img_width =
769 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
770 settings->img_height = BUZ_MAX_HEIGHT / 2;
771 break;
772 case 4:
774 if (zr->card.type == DC10_new) {
775 dprintk(1,
776 KERN_DEBUG
777 "%s: %s - HDec by 4 is not supported on the DC10\n",
778 ZR_DEVNAME(zr), __func__);
779 err0++;
780 break;
783 settings->HorDcm = 4;
784 settings->VerDcm = 2;
785 settings->TmpDcm = 2;
786 settings->field_per_buff = 1;
787 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
788 settings->img_y = 0;
789 settings->img_width =
790 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
791 settings->img_height = BUZ_MAX_HEIGHT / 2;
792 break;
793 case 0:
795 /* We have to check the data the user has set */
797 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
798 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
799 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
800 err0++;
802 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
803 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
804 err0++;
806 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
807 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
808 err0++;
810 if (settings->field_per_buff != 1 &&
811 settings->field_per_buff != 2) {
812 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
813 err0++;
815 if (settings->img_x < 0) {
816 settings->img_x = 0;
817 err0++;
819 if (settings->img_y < 0) {
820 settings->img_y = 0;
821 err0++;
823 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
824 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
825 err0++;
827 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
828 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
829 err0++;
831 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
832 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
833 err0++;
835 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
836 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
837 err0++;
839 if (settings->img_width % (16 * settings->HorDcm) != 0) {
840 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
841 if (settings->img_width == 0)
842 settings->img_width = 16 * settings->HorDcm;
843 err0++;
845 if (settings->img_height % (8 * settings->VerDcm) != 0) {
846 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
847 if (settings->img_height == 0)
848 settings->img_height = 8 * settings->VerDcm;
849 err0++;
852 if (!try && err0) {
853 dprintk(1,
854 KERN_ERR
855 "%s: %s - error in params for decimation = 0\n",
856 ZR_DEVNAME(zr), __func__);
857 err++;
859 break;
860 default:
861 dprintk(1,
862 KERN_ERR
863 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
864 ZR_DEVNAME(zr), __func__, settings->decimation);
865 err++;
866 break;
869 if (settings->jpg_comp.quality > 100)
870 settings->jpg_comp.quality = 100;
871 if (settings->jpg_comp.quality < 5)
872 settings->jpg_comp.quality = 5;
873 if (settings->jpg_comp.APPn < 0)
874 settings->jpg_comp.APPn = 0;
875 if (settings->jpg_comp.APPn > 15)
876 settings->jpg_comp.APPn = 15;
877 if (settings->jpg_comp.APP_len < 0)
878 settings->jpg_comp.APP_len = 0;
879 if (settings->jpg_comp.APP_len > 60)
880 settings->jpg_comp.APP_len = 60;
881 if (settings->jpg_comp.COM_len < 0)
882 settings->jpg_comp.COM_len = 0;
883 if (settings->jpg_comp.COM_len > 60)
884 settings->jpg_comp.COM_len = 60;
885 if (err)
886 return -EINVAL;
887 return 0;
890 void
891 zoran_open_init_params (struct zoran *zr)
893 int i;
895 /* User must explicitly set a window */
896 zr->overlay_settings.is_set = 0;
897 zr->overlay_mask = NULL;
898 zr->overlay_active = ZORAN_FREE;
900 zr->v4l_memgrab_active = 0;
901 zr->v4l_overlay_active = 0;
902 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
903 zr->v4l_grab_seq = 0;
904 zr->v4l_settings.width = 192;
905 zr->v4l_settings.height = 144;
906 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
907 zr->v4l_settings.bytesperline =
908 zr->v4l_settings.width *
909 ((zr->v4l_settings.format->depth + 7) / 8);
911 /* DMA ring stuff for V4L */
912 zr->v4l_pend_tail = 0;
913 zr->v4l_pend_head = 0;
914 zr->v4l_sync_tail = 0;
915 zr->v4l_buffers.active = ZORAN_FREE;
916 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
917 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
919 zr->v4l_buffers.allocated = 0;
921 for (i = 0; i < BUZ_MAX_FRAME; i++) {
922 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
924 zr->jpg_buffers.active = ZORAN_FREE;
925 zr->jpg_buffers.allocated = 0;
926 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
927 zr->jpg_settings.decimation = 1;
928 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
929 if (zr->card.type != BUZ)
930 zr->jpg_settings.odd_even = 1;
931 else
932 zr->jpg_settings.odd_even = 0;
933 zr->jpg_settings.jpg_comp.APPn = 0;
934 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
935 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
936 sizeof(zr->jpg_settings.jpg_comp.APP_data));
937 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
938 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
939 sizeof(zr->jpg_settings.jpg_comp.COM_data));
940 zr->jpg_settings.jpg_comp.jpeg_markers =
941 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
942 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
943 if (i)
944 dprintk(1, KERN_ERR "%s: %s internal error\n",
945 ZR_DEVNAME(zr), __func__);
947 clear_interrupt_counters(zr);
948 zr->testing = 0;
951 static void __devinit
952 test_interrupts (struct zoran *zr)
954 DEFINE_WAIT(wait);
955 int timeout, icr;
957 clear_interrupt_counters(zr);
959 zr->testing = 1;
960 icr = btread(ZR36057_ICR);
961 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
962 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
963 timeout = schedule_timeout(HZ);
964 finish_wait(&zr->test_q, &wait);
965 btwrite(0, ZR36057_ICR);
966 btwrite(0x78000000, ZR36057_ISR);
967 zr->testing = 0;
968 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
969 if (timeout) {
970 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
972 if (zr36067_debug > 1)
973 print_interrupts(zr);
974 btwrite(icr, ZR36057_ICR);
977 static int __devinit
978 zr36057_init (struct zoran *zr)
980 int j, err;
982 dprintk(1,
983 KERN_INFO
984 "%s: %s - initializing card[%d], zr=%p\n",
985 ZR_DEVNAME(zr), __func__, zr->id, zr);
987 /* default setup of all parameters which will persist between opens */
988 zr->user = 0;
990 init_waitqueue_head(&zr->v4l_capq);
991 init_waitqueue_head(&zr->jpg_capq);
992 init_waitqueue_head(&zr->test_q);
993 zr->jpg_buffers.allocated = 0;
994 zr->v4l_buffers.allocated = 0;
996 zr->vbuf_base = (void *) vidmem;
997 zr->vbuf_width = 0;
998 zr->vbuf_height = 0;
999 zr->vbuf_depth = 0;
1000 zr->vbuf_bytesperline = 0;
1002 /* Avoid nonsense settings from user for default input/norm */
1003 if (default_norm < 0 || default_norm > 2)
1004 default_norm = 0;
1005 if (default_norm == 0) {
1006 zr->norm = V4L2_STD_PAL;
1007 zr->timing = zr->card.tvn[0];
1008 } else if (default_norm == 1) {
1009 zr->norm = V4L2_STD_NTSC;
1010 zr->timing = zr->card.tvn[1];
1011 } else {
1012 zr->norm = V4L2_STD_SECAM;
1013 zr->timing = zr->card.tvn[2];
1015 if (zr->timing == NULL) {
1016 dprintk(1,
1017 KERN_WARNING
1018 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1019 ZR_DEVNAME(zr), __func__);
1020 zr->norm = V4L2_STD_PAL;
1021 zr->timing = zr->card.tvn[0];
1024 if (default_input > zr->card.inputs-1) {
1025 dprintk(1,
1026 KERN_WARNING
1027 "%s: default_input value %d out of range (0-%d)\n",
1028 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1029 default_input = 0;
1031 zr->input = default_input;
1033 /* default setup (will be repeated at every open) */
1034 zoran_open_init_params(zr);
1036 /* allocate memory *before* doing anything to the hardware
1037 * in case allocation fails */
1038 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1039 zr->video_dev = video_device_alloc();
1040 if (!zr->stat_com || !zr->video_dev) {
1041 dprintk(1,
1042 KERN_ERR
1043 "%s: %s - kmalloc (STAT_COM) failed\n",
1044 ZR_DEVNAME(zr), __func__);
1045 err = -ENOMEM;
1046 goto exit_free;
1048 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1049 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1053 * Now add the template and register the device unit.
1055 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1056 zr->video_dev->parent = &zr->pci_dev->dev;
1057 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1058 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1059 if (err < 0)
1060 goto exit_free;
1061 video_set_drvdata(zr->video_dev, zr);
1063 zoran_init_hardware(zr);
1064 if (zr36067_debug > 2)
1065 detect_guest_activity(zr);
1066 test_interrupts(zr);
1067 if (!pass_through) {
1068 decoder_call(zr, video, s_stream, 0);
1069 encoder_call(zr, video, s_routing, 2, 0, 0);
1072 zr->zoran_proc = NULL;
1073 zr->initialized = 1;
1074 return 0;
1076 exit_free:
1077 kfree(zr->stat_com);
1078 kfree(zr->video_dev);
1079 return err;
1082 static void __devexit zoran_remove(struct pci_dev *pdev)
1084 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1085 struct zoran *zr = to_zoran(v4l2_dev);
1087 if (!zr->initialized)
1088 goto exit_free;
1090 /* unregister videocodec bus */
1091 if (zr->codec) {
1092 struct videocodec_master *master = zr->codec->master_data;
1094 videocodec_detach(zr->codec);
1095 kfree(master);
1097 if (zr->vfe) {
1098 struct videocodec_master *master = zr->vfe->master_data;
1100 videocodec_detach(zr->vfe);
1101 kfree(master);
1104 /* unregister i2c bus */
1105 zoran_unregister_i2c(zr);
1106 /* disable PCI bus-mastering */
1107 zoran_set_pci_master(zr, 0);
1108 /* put chip into reset */
1109 btwrite(0, ZR36057_SPGPPCR);
1110 free_irq(zr->pci_dev->irq, zr);
1111 /* unmap and free memory */
1112 kfree(zr->stat_com);
1113 zoran_proc_cleanup(zr);
1114 iounmap(zr->zr36057_mem);
1115 pci_disable_device(zr->pci_dev);
1116 video_unregister_device(zr->video_dev);
1117 exit_free:
1118 v4l2_device_unregister(&zr->v4l2_dev);
1119 kfree(zr);
1122 void
1123 zoran_vdev_release (struct video_device *vdev)
1125 kfree(vdev);
1128 static struct videocodec_master * __devinit
1129 zoran_setup_videocodec (struct zoran *zr,
1130 int type)
1132 struct videocodec_master *m = NULL;
1134 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1135 if (!m) {
1136 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1137 ZR_DEVNAME(zr), __func__);
1138 return m;
1141 /* magic and type are unused for master struct. Makes sense only at
1142 codec structs.
1143 In the past, .type were initialized to the old V4L1 .hardware
1144 value, as VID_HARDWARE_ZR36067
1146 m->magic = 0L;
1147 m->type = 0;
1149 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1150 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1151 m->data = zr;
1153 switch (type)
1155 case CODEC_TYPE_ZR36060:
1156 m->readreg = zr36060_read;
1157 m->writereg = zr36060_write;
1158 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1159 break;
1160 case CODEC_TYPE_ZR36050:
1161 m->readreg = zr36050_read;
1162 m->writereg = zr36050_write;
1163 m->flags |= CODEC_FLAG_JPEG;
1164 break;
1165 case CODEC_TYPE_ZR36016:
1166 m->readreg = zr36016_read;
1167 m->writereg = zr36016_write;
1168 m->flags |= CODEC_FLAG_VFE;
1169 break;
1172 return m;
1175 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1177 struct zoran *zr = to_zoran(sd->v4l2_dev);
1179 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1180 LML33 card uses GPIO(7) for that. */
1181 if (cmd == BT819_FIFO_RESET_LOW)
1182 GPIO(zr, 7, 0);
1183 else if (cmd == BT819_FIFO_RESET_HIGH)
1184 GPIO(zr, 7, 1);
1188 * Scan for a Buz card (actually for the PCI controller ZR36057),
1189 * request the irq and map the io memory
1191 static int __devinit zoran_probe(struct pci_dev *pdev,
1192 const struct pci_device_id *ent)
1194 unsigned char latency, need_latency;
1195 struct zoran *zr;
1196 int result;
1197 struct videocodec_master *master_vfe = NULL;
1198 struct videocodec_master *master_codec = NULL;
1199 int card_num;
1200 char *codec_name, *vfe_name;
1201 unsigned int nr;
1204 nr = zoran_num++;
1205 if (nr >= BUZ_MAX) {
1206 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1207 ZORAN_NAME, BUZ_MAX);
1208 return -ENOENT;
1211 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1212 if (!zr) {
1213 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1214 ZORAN_NAME, __func__);
1215 return -ENOMEM;
1217 zr->v4l2_dev.notify = zoran_subdev_notify;
1218 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1219 goto zr_free_mem;
1220 zr->pci_dev = pdev;
1221 zr->id = nr;
1222 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1223 spin_lock_init(&zr->spinlock);
1224 mutex_init(&zr->resource_lock);
1225 mutex_init(&zr->other_lock);
1226 if (pci_enable_device(pdev))
1227 goto zr_unreg;
1228 zr->revision = zr->pci_dev->revision;
1230 dprintk(1,
1231 KERN_INFO
1232 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1233 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1234 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1235 if (zr->revision >= 2) {
1236 dprintk(1,
1237 KERN_INFO
1238 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1239 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1240 zr->pci_dev->subsystem_device);
1243 /* Use auto-detected card type? */
1244 if (card[nr] == -1) {
1245 if (zr->revision < 2) {
1246 dprintk(1,
1247 KERN_ERR
1248 "%s: No card type specified, please use the card=X module parameter\n",
1249 ZR_DEVNAME(zr));
1250 dprintk(1,
1251 KERN_ERR
1252 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1253 ZR_DEVNAME(zr));
1254 goto zr_unreg;
1257 card_num = ent->driver_data;
1258 if (card_num >= NUM_CARDS) {
1259 dprintk(1,
1260 KERN_ERR
1261 "%s: Unknown card, try specifying card=X module parameter\n",
1262 ZR_DEVNAME(zr));
1263 goto zr_unreg;
1265 dprintk(3,
1266 KERN_DEBUG
1267 "%s: %s() - card %s detected\n",
1268 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1269 } else {
1270 card_num = card[nr];
1271 if (card_num >= NUM_CARDS || card_num < 0) {
1272 dprintk(1,
1273 KERN_ERR
1274 "%s: User specified card type %d out of range (0 .. %d)\n",
1275 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1276 goto zr_unreg;
1280 /* even though we make this a non pointer and thus
1281 * theoretically allow for making changes to this struct
1282 * on a per-individual card basis at runtime, this is
1283 * strongly discouraged. This structure is intended to
1284 * keep general card information, no settings or anything */
1285 zr->card = zoran_cards[card_num];
1286 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1287 "%s[%u]", zr->card.name, zr->id);
1289 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1290 if (!zr->zr36057_mem) {
1291 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1292 ZR_DEVNAME(zr), __func__);
1293 goto zr_unreg;
1296 result = request_irq(zr->pci_dev->irq, zoran_irq,
1297 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1298 if (result < 0) {
1299 if (result == -EINVAL) {
1300 dprintk(1,
1301 KERN_ERR
1302 "%s: %s - bad irq number or handler\n",
1303 ZR_DEVNAME(zr), __func__);
1304 } else if (result == -EBUSY) {
1305 dprintk(1,
1306 KERN_ERR
1307 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1308 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1309 } else {
1310 dprintk(1,
1311 KERN_ERR
1312 "%s: %s - can't assign irq, error code %d\n",
1313 ZR_DEVNAME(zr), __func__, result);
1315 goto zr_unmap;
1318 /* set PCI latency timer */
1319 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1320 &latency);
1321 need_latency = zr->revision > 1 ? 32 : 48;
1322 if (latency != need_latency) {
1323 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1324 ZR_DEVNAME(zr), latency, need_latency);
1325 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1326 need_latency);
1329 zr36057_restart(zr);
1330 /* i2c */
1331 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1332 ZR_DEVNAME(zr));
1334 if (zoran_register_i2c(zr) < 0) {
1335 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1336 ZR_DEVNAME(zr), __func__);
1337 goto zr_free_irq;
1340 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1341 &zr->i2c_adapter, zr->card.i2c_decoder,
1342 0, zr->card.addrs_decoder);
1344 if (zr->card.i2c_encoder)
1345 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346 &zr->i2c_adapter, zr->card.i2c_encoder,
1347 0, zr->card.addrs_encoder);
1349 dprintk(2,
1350 KERN_INFO "%s: Initializing videocodec bus...\n",
1351 ZR_DEVNAME(zr));
1353 if (zr->card.video_codec) {
1354 codec_name = codecid_to_modulename(zr->card.video_codec);
1355 if (codec_name) {
1356 result = request_module(codec_name);
1357 if (result) {
1358 dprintk(1,
1359 KERN_ERR
1360 "%s: failed to load modules %s: %d\n",
1361 ZR_DEVNAME(zr), codec_name, result);
1365 if (zr->card.video_vfe) {
1366 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1367 if (vfe_name) {
1368 result = request_module(vfe_name);
1369 if (result < 0) {
1370 dprintk(1,
1371 KERN_ERR
1372 "%s: failed to load modules %s: %d\n",
1373 ZR_DEVNAME(zr), vfe_name, result);
1378 /* reset JPEG codec */
1379 jpeg_codec_sleep(zr, 1);
1380 jpeg_codec_reset(zr);
1381 /* video bus enabled */
1382 /* display codec revision */
1383 if (zr->card.video_codec != 0) {
1384 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1385 if (!master_codec)
1386 goto zr_unreg_i2c;
1387 zr->codec = videocodec_attach(master_codec);
1388 if (!zr->codec) {
1389 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1390 ZR_DEVNAME(zr), __func__);
1391 goto zr_free_codec;
1393 if (zr->codec->type != zr->card.video_codec) {
1394 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1395 ZR_DEVNAME(zr), __func__);
1396 goto zr_detach_codec;
1399 if (zr->card.video_vfe != 0) {
1400 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1401 if (!master_vfe)
1402 goto zr_detach_codec;
1403 zr->vfe = videocodec_attach(master_vfe);
1404 if (!zr->vfe) {
1405 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1406 ZR_DEVNAME(zr), __func__);
1407 goto zr_free_vfe;
1409 if (zr->vfe->type != zr->card.video_vfe) {
1410 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1411 ZR_DEVNAME(zr), __func__);
1412 goto zr_detach_vfe;
1416 /* take care of Natoma chipset and a revision 1 zr36057 */
1417 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1418 zr->jpg_buffers.need_contiguous = 1;
1419 dprintk(1, KERN_INFO
1420 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1421 ZR_DEVNAME(zr));
1424 if (zr36057_init(zr) < 0)
1425 goto zr_detach_vfe;
1427 zoran_proc_init(zr);
1429 return 0;
1431 zr_detach_vfe:
1432 videocodec_detach(zr->vfe);
1433 zr_free_vfe:
1434 kfree(master_vfe);
1435 zr_detach_codec:
1436 videocodec_detach(zr->codec);
1437 zr_free_codec:
1438 kfree(master_codec);
1439 zr_unreg_i2c:
1440 zoran_unregister_i2c(zr);
1441 zr_free_irq:
1442 btwrite(0, ZR36057_SPGPPCR);
1443 free_irq(zr->pci_dev->irq, zr);
1444 zr_unmap:
1445 iounmap(zr->zr36057_mem);
1446 zr_unreg:
1447 v4l2_device_unregister(&zr->v4l2_dev);
1448 zr_free_mem:
1449 kfree(zr);
1451 return -ENODEV;
1454 static struct pci_driver zoran_driver = {
1455 .name = "zr36067",
1456 .id_table = zr36067_pci_tbl,
1457 .probe = zoran_probe,
1458 .remove = __devexit_p(zoran_remove),
1461 static int __init zoran_init(void)
1463 int res;
1465 printk(KERN_INFO "Zoran MJPEG board driver version %s\n",
1466 ZORAN_VERSION);
1468 /* check the parameters we have been given, adjust if necessary */
1469 if (v4l_nbufs < 2)
1470 v4l_nbufs = 2;
1471 if (v4l_nbufs > VIDEO_MAX_FRAME)
1472 v4l_nbufs = VIDEO_MAX_FRAME;
1473 /* The user specfies the in KB, we want them in byte
1474 * (and page aligned) */
1475 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1476 if (v4l_bufsize < 32768)
1477 v4l_bufsize = 32768;
1478 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1479 if (v4l_bufsize > 2048 * 1024)
1480 v4l_bufsize = 2048 * 1024;
1481 if (jpg_nbufs < 4)
1482 jpg_nbufs = 4;
1483 if (jpg_nbufs > BUZ_MAX_FRAME)
1484 jpg_nbufs = BUZ_MAX_FRAME;
1485 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1486 if (jpg_bufsize < 8192)
1487 jpg_bufsize = 8192;
1488 if (jpg_bufsize > (512 * 1024))
1489 jpg_bufsize = 512 * 1024;
1490 /* Use parameter for vidmem or try to find a video card */
1491 if (vidmem) {
1492 dprintk(1,
1493 KERN_INFO
1494 "%s: Using supplied video memory base address @ 0x%lx\n",
1495 ZORAN_NAME, vidmem);
1498 /* some mainboards might not do PCI-PCI data transfer well */
1499 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1500 dprintk(1,
1501 KERN_WARNING
1502 "%s: chipset does not support reliable PCI-PCI DMA\n",
1503 ZORAN_NAME);
1506 res = pci_register_driver(&zoran_driver);
1507 if (res) {
1508 dprintk(1,
1509 KERN_ERR
1510 "%s: Unable to register ZR36057 driver\n",
1511 ZORAN_NAME);
1512 return res;
1515 return 0;
1518 static void __exit zoran_exit(void)
1520 pci_unregister_driver(&zoran_driver);
1523 module_init(zoran_init);
1524 module_exit(zoran_exit);