xref: /linux/drivers/media/pci/zoran/zoran_card.c (revision a2cce7a9f1b8cc3d4edce106fb971529f1d4d9ce)
1 /*
2  * Zoran zr36057/zr36067 PCI controller driver, for the
3  * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
4  * Media Labs LML33/LML33R10.
5  *
6  * This part handles card-specific data and detection
7  *
8  * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
9  *
10  * Currently maintained by:
11  *   Ronald Bultje    <rbultje@ronald.bitfreak.net>
12  *   Laurent Pinchart <laurent.pinchart@skynet.be>
13  *   Mailinglist      <mjpeg-users@lists.sf.net>
14  *
15  * This program is free software; you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License as published by
17  * the Free Software Foundation; either version 2 of the License, or
18  * (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, write to the Free Software
27  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28  */
29 
30 #include <linux/delay.h>
31 
32 #include <linux/types.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/vmalloc.h>
37 #include <linux/slab.h>
38 
39 #include <linux/proc_fs.h>
40 #include <linux/i2c.h>
41 #include <linux/i2c-algo-bit.h>
42 #include <linux/videodev2.h>
43 #include <linux/spinlock.h>
44 #include <linux/sem.h>
45 #include <linux/kmod.h>
46 #include <linux/wait.h>
47 
48 #include <linux/pci.h>
49 #include <linux/interrupt.h>
50 #include <linux/mutex.h>
51 #include <linux/io.h>
52 #include <media/v4l2-common.h>
53 #include <media/bt819.h>
54 
55 #include "videocodec.h"
56 #include "zoran.h"
57 #include "zoran_card.h"
58 #include "zoran_device.h"
59 #include "zoran_procfs.h"
60 
61 extern const struct zoran_format zoran_formats[];
62 
63 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
64 module_param_array(card, int, NULL, 0444);
65 MODULE_PARM_DESC(card, "Card type");
66 
67 /*
68    The video mem address of the video card.
69    The driver has a little database for some videocards
70    to determine it from there. If your video card is not in there
71    you have either to give it to the driver as a parameter
72    or set in in a VIDIOCSFBUF ioctl
73  */
74 
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");
78 
79 /*
80    Default input and video norm at startup of the driver.
81 */
82 
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)");
87 
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)");
92 
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)");
96 
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)");
101 
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)");
108 
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)");
115 
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");
121 
122 int zr36067_debug = 1;
123 module_param_named(debug, zr36067_debug, int, 0644);
124 MODULE_PARM_DESC(debug, "Debug level (0-5)");
125 
126 #define ZORAN_VERSION "0.10.1"
127 
128 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
129 MODULE_AUTHOR("Serguei Miridonov");
130 MODULE_LICENSE("GPL");
131 MODULE_VERSION(ZORAN_VERSION);
132 
133 #define ZR_DEVICE(subven, subdev, data)	{ \
134 	.vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
135 	.subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
136 
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),
143 	{0}
144 };
145 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
146 
147 static unsigned int zoran_num;		/* number of cards found */
148 
149 /* videocodec bus functions ZR36060 */
150 static u32
151 zr36060_read (struct videocodec *codec,
152 	      u16                reg)
153 {
154 	struct zoran *zr = (struct zoran *) codec->master_data->data;
155 	__u32 data;
156 
157 	if (post_office_wait(zr)
158 	    || post_office_write(zr, 0, 1, reg >> 8)
159 	    || post_office_write(zr, 0, 2, reg & 0xff)) {
160 		return -1;
161 	}
162 
163 	data = post_office_read(zr, 0, 3) & 0xff;
164 	return data;
165 }
166 
167 static void
168 zr36060_write (struct videocodec *codec,
169 	       u16                reg,
170 	       u32                val)
171 {
172 	struct zoran *zr = (struct zoran *) codec->master_data->data;
173 
174 	if (post_office_wait(zr)
175 	    || post_office_write(zr, 0, 1, reg >> 8)
176 	    || post_office_write(zr, 0, 2, reg & 0xff)) {
177 		return;
178 	}
179 
180 	post_office_write(zr, 0, 3, val & 0xff);
181 }
182 
183 /* videocodec bus functions ZR36050 */
184 static u32
185 zr36050_read (struct videocodec *codec,
186 	      u16                reg)
187 {
188 	struct zoran *zr = (struct zoran *) codec->master_data->data;
189 	__u32 data;
190 
191 	if (post_office_wait(zr)
192 	    || post_office_write(zr, 1, 0, reg >> 2)) {	// reg. HIGHBYTES
193 		return -1;
194 	}
195 
196 	data = post_office_read(zr, 0, reg & 0x03) & 0xff;	// reg. LOWBYTES + read
197 	return data;
198 }
199 
200 static void
201 zr36050_write (struct videocodec *codec,
202 	       u16                reg,
203 	       u32                val)
204 {
205 	struct zoran *zr = (struct zoran *) codec->master_data->data;
206 
207 	if (post_office_wait(zr)
208 	    || post_office_write(zr, 1, 0, reg >> 2)) {	// reg. HIGHBYTES
209 		return;
210 	}
211 
212 	post_office_write(zr, 0, reg & 0x03, val & 0xff);	// reg. LOWBYTES + wr. data
213 }
214 
215 /* videocodec bus functions ZR36016 */
216 static u32
217 zr36016_read (struct videocodec *codec,
218 	      u16                reg)
219 {
220 	struct zoran *zr = (struct zoran *) codec->master_data->data;
221 	__u32 data;
222 
223 	if (post_office_wait(zr)) {
224 		return -1;
225 	}
226 
227 	data = post_office_read(zr, 2, reg & 0x03) & 0xff;	// read
228 	return data;
229 }
230 
231 /* hack for in zoran_device.c */
232 void
233 zr36016_write (struct videocodec *codec,
234 	       u16                reg,
235 	       u32                val)
236 {
237 	struct zoran *zr = (struct zoran *) codec->master_data->data;
238 
239 	if (post_office_wait(zr)) {
240 		return;
241 	}
242 
243 	post_office_write(zr, 2, reg & 0x03, val & 0x0ff);	// wr. data
244 }
245 
246 /*
247  * Board specific information
248  */
249 
250 static void
251 dc10_init (struct zoran *zr)
252 {
253 	dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
254 
255 	/* Pixel clock selection */
256 	GPIO(zr, 4, 0);
257 	GPIO(zr, 5, 1);
258 	/* Enable the video bus sync signals */
259 	GPIO(zr, 7, 0);
260 }
261 
262 static void
263 dc10plus_init (struct zoran *zr)
264 {
265 	dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
266 }
267 
268 static void
269 buz_init (struct zoran *zr)
270 {
271 	dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
272 
273 	/* some stuff from Iomega */
274 	pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
275 	pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
276 	pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
277 }
278 
279 static void
280 lml33_init (struct zoran *zr)
281 {
282 	dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
283 
284 	GPIO(zr, 2, 1);		// Set Composite input/output
285 }
286 
287 static void
288 avs6eyes_init (struct zoran *zr)
289 {
290 	// AverMedia 6-Eyes original driver by Christer Weinigel
291 
292 	// Lifted straight from Christer's old driver and
293 	// modified slightly by Martin Samuelsson.
294 
295 	int mux = default_mux; /* 1 = BT866, 7 = VID1 */
296 
297 	GPIO(zr, 4, 1); /* Bt866 SLEEP on */
298 	udelay(2);
299 
300 	GPIO(zr, 0, 1); /* ZR36060 /RESET on */
301 	GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
302 	GPIO(zr, 2, mux & 1);   /* MUX S0 */
303 	GPIO(zr, 3, 0); /* /FRAME on */
304 	GPIO(zr, 4, 0); /* Bt866 SLEEP off */
305 	GPIO(zr, 5, mux & 2);   /* MUX S1 */
306 	GPIO(zr, 6, 0); /* ? */
307 	GPIO(zr, 7, mux & 4);   /* MUX S2 */
308 
309 }
310 
311 static char *
312 codecid_to_modulename (u16 codecid)
313 {
314 	char *name = NULL;
315 
316 	switch (codecid) {
317 	case CODEC_TYPE_ZR36060:
318 		name = "zr36060";
319 		break;
320 	case CODEC_TYPE_ZR36050:
321 		name = "zr36050";
322 		break;
323 	case CODEC_TYPE_ZR36016:
324 		name = "zr36016";
325 		break;
326 	}
327 
328 	return name;
329 }
330 
331 // struct tvnorm {
332 //      u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
333 // };
334 
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 };
339 
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 };
342 
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 };
346 
347 /* FIXME: I cannot swap U and V in saa7114, so i do one
348  * pixel left shift in zoran (75 -> 74)
349  * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
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 };
352 
353 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
354  * copy Maxim's left shift hack for the 6 Eyes.
355  *
356  * Christer's driver used the unshifted norms, though...
357  * /Sam  */
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 };
360 
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 };
371 
372 static struct card_info zoran_cards[NUM_CARDS] = {
373 	{
374 		.type = DC10_old,
375 		.name = "DC10(old)",
376 		.i2c_decoder = "vpx3220a",
377 		.addrs_decoder = vpx3220_addrs,
378 		.video_codec = CODEC_TYPE_ZR36050,
379 		.video_vfe = CODEC_TYPE_ZR36016,
380 
381 		.inputs = 3,
382 		.input = {
383 			{ 1, "Composite" },
384 			{ 2, "S-Video" },
385 			{ 0, "Internal/comp" }
386 		},
387 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
388 		.tvn = {
389 			&f50sqpixel_dc10,
390 			&f60sqpixel_dc10,
391 			&f50sqpixel_dc10
392 		},
393 		.jpeg_int = 0,
394 		.vsync_int = ZR36057_ISR_GIRQ1,
395 		.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
396 		.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
397 		.gpcs = { -1, 0 },
398 		.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
399 		.gws_not_connected = 0,
400 		.input_mux = 0,
401 		.init = &dc10_init,
402 	}, {
403 		.type = DC10_new,
404 		.name = "DC10(new)",
405 		.i2c_decoder = "saa7110",
406 		.addrs_decoder = saa7110_addrs,
407 		.i2c_encoder = "adv7175",
408 		.addrs_encoder = adv717x_addrs,
409 		.video_codec = CODEC_TYPE_ZR36060,
410 
411 		.inputs = 3,
412 		.input = {
413 				{ 0, "Composite" },
414 				{ 7, "S-Video" },
415 				{ 5, "Internal/comp" }
416 			},
417 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
418 		.tvn = {
419 				&f50sqpixel,
420 				&f60sqpixel,
421 				&f50sqpixel},
422 		.jpeg_int = ZR36057_ISR_GIRQ0,
423 		.vsync_int = ZR36057_ISR_GIRQ1,
424 		.gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
425 		.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
426 		.gpcs = { -1, 1},
427 		.vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
428 		.gws_not_connected = 0,
429 		.input_mux = 0,
430 		.init = &dc10plus_init,
431 	}, {
432 		.type = DC10plus,
433 		.name = "DC10plus",
434 		.i2c_decoder = "saa7110",
435 		.addrs_decoder = saa7110_addrs,
436 		.i2c_encoder = "adv7175",
437 		.addrs_encoder = adv717x_addrs,
438 		.video_codec = CODEC_TYPE_ZR36060,
439 
440 		.inputs = 3,
441 		.input = {
442 			{ 0, "Composite" },
443 			{ 7, "S-Video" },
444 			{ 5, "Internal/comp" }
445 		},
446 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
447 		.tvn = {
448 			&f50sqpixel,
449 			&f60sqpixel,
450 			&f50sqpixel
451 		},
452 		.jpeg_int = ZR36057_ISR_GIRQ0,
453 		.vsync_int = ZR36057_ISR_GIRQ1,
454 		.gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
455 		.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
456 		.gpcs = { -1, 1 },
457 		.vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
458 		.gws_not_connected = 0,
459 		.input_mux = 0,
460 		.init = &dc10plus_init,
461 	}, {
462 		.type = DC30,
463 		.name = "DC30",
464 		.i2c_decoder = "vpx3220a",
465 		.addrs_decoder = vpx3220_addrs,
466 		.i2c_encoder = "adv7175",
467 		.addrs_encoder = adv717x_addrs,
468 		.video_codec = CODEC_TYPE_ZR36050,
469 		.video_vfe = CODEC_TYPE_ZR36016,
470 
471 		.inputs = 3,
472 		.input = {
473 			{ 1, "Composite" },
474 			{ 2, "S-Video" },
475 			{ 0, "Internal/comp" }
476 		},
477 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
478 		.tvn = {
479 			&f50sqpixel_dc10,
480 			&f60sqpixel_dc10,
481 			&f50sqpixel_dc10
482 		},
483 		.jpeg_int = 0,
484 		.vsync_int = ZR36057_ISR_GIRQ1,
485 		.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
486 		.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
487 		.gpcs = { -1, 0 },
488 		.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
489 		.gws_not_connected = 0,
490 		.input_mux = 0,
491 		.init = &dc10_init,
492 	}, {
493 		.type = DC30plus,
494 		.name = "DC30plus",
495 		.i2c_decoder = "vpx3220a",
496 		.addrs_decoder = vpx3220_addrs,
497 		.i2c_encoder = "adv7175",
498 		.addrs_encoder = adv717x_addrs,
499 		.video_codec = CODEC_TYPE_ZR36050,
500 		.video_vfe = CODEC_TYPE_ZR36016,
501 
502 		.inputs = 3,
503 		.input = {
504 			{ 1, "Composite" },
505 			{ 2, "S-Video" },
506 			{ 0, "Internal/comp" }
507 		},
508 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
509 		.tvn = {
510 			&f50sqpixel_dc10,
511 			&f60sqpixel_dc10,
512 			&f50sqpixel_dc10
513 		},
514 		.jpeg_int = 0,
515 		.vsync_int = ZR36057_ISR_GIRQ1,
516 		.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
517 		.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
518 		.gpcs = { -1, 0 },
519 		.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
520 		.gws_not_connected = 0,
521 		.input_mux = 0,
522 		.init = &dc10_init,
523 	}, {
524 		.type = LML33,
525 		.name = "LML33",
526 		.i2c_decoder = "bt819a",
527 		.addrs_decoder = bt819_addrs,
528 		.i2c_encoder = "bt856",
529 		.addrs_encoder = bt856_addrs,
530 		.video_codec = CODEC_TYPE_ZR36060,
531 
532 		.inputs = 2,
533 		.input = {
534 			{ 0, "Composite" },
535 			{ 7, "S-Video" }
536 		},
537 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL,
538 		.tvn = {
539 			&f50ccir601_lml33,
540 			&f60ccir601_lml33,
541 			NULL
542 		},
543 		.jpeg_int = ZR36057_ISR_GIRQ1,
544 		.vsync_int = ZR36057_ISR_GIRQ0,
545 		.gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
546 		.gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
547 		.gpcs = { 3, 1 },
548 		.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
549 		.gws_not_connected = 1,
550 		.input_mux = 0,
551 		.init = &lml33_init,
552 	}, {
553 		.type = LML33R10,
554 		.name = "LML33R10",
555 		.i2c_decoder = "saa7114",
556 		.addrs_decoder = saa7114_addrs,
557 		.i2c_encoder = "adv7170",
558 		.addrs_encoder = adv717x_addrs,
559 		.video_codec = CODEC_TYPE_ZR36060,
560 
561 		.inputs = 2,
562 		.input = {
563 			{ 0, "Composite" },
564 			{ 7, "S-Video" }
565 		},
566 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL,
567 		.tvn = {
568 			&f50ccir601_lm33r10,
569 			&f60ccir601_lm33r10,
570 			NULL
571 		},
572 		.jpeg_int = ZR36057_ISR_GIRQ1,
573 		.vsync_int = ZR36057_ISR_GIRQ0,
574 		.gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
575 		.gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
576 		.gpcs = { 3, 1 },
577 		.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
578 		.gws_not_connected = 1,
579 		.input_mux = 0,
580 		.init = &lml33_init,
581 	}, {
582 		.type = BUZ,
583 		.name = "Buz",
584 		.i2c_decoder = "saa7111",
585 		.addrs_decoder = saa7111_addrs,
586 		.i2c_encoder = "saa7185",
587 		.addrs_encoder = saa7185_addrs,
588 		.video_codec = CODEC_TYPE_ZR36060,
589 
590 		.inputs = 2,
591 		.input = {
592 			{ 3, "Composite" },
593 			{ 7, "S-Video" }
594 		},
595 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
596 		.tvn = {
597 			&f50ccir601,
598 			&f60ccir601,
599 			&f50ccir601
600 		},
601 		.jpeg_int = ZR36057_ISR_GIRQ1,
602 		.vsync_int = ZR36057_ISR_GIRQ0,
603 		.gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
604 		.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
605 		.gpcs = { 3, 1 },
606 		.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
607 		.gws_not_connected = 1,
608 		.input_mux = 0,
609 		.init = &buz_init,
610 	}, {
611 		.type = AVS6EYES,
612 		.name = "6-Eyes",
613 		/* AverMedia chose not to brand the 6-Eyes. Thus it
614 		   can't be autodetected, and requires card=x. */
615 		.i2c_decoder = "ks0127",
616 		.addrs_decoder = ks0127_addrs,
617 		.i2c_encoder = "bt866",
618 		.addrs_encoder = bt866_addrs,
619 		.video_codec = CODEC_TYPE_ZR36060,
620 
621 		.inputs = 10,
622 		.input = {
623 			{ 0, "Composite 1" },
624 			{ 1, "Composite 2" },
625 			{ 2, "Composite 3" },
626 			{ 4, "Composite 4" },
627 			{ 5, "Composite 5" },
628 			{ 6, "Composite 6" },
629 			{ 8, "S-Video 1" },
630 			{ 9, "S-Video 2" },
631 			{10, "S-Video 3" },
632 			{15, "YCbCr" }
633 		},
634 		.norms = V4L2_STD_NTSC|V4L2_STD_PAL,
635 		.tvn = {
636 			&f50ccir601_avs6eyes,
637 			&f60ccir601_avs6eyes,
638 			NULL
639 		},
640 		.jpeg_int = ZR36057_ISR_GIRQ1,
641 		.vsync_int = ZR36057_ISR_GIRQ0,
642 		.gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
643 		.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
644 		.gpcs = { 3, 1 },			// Validity unknown /Sam
645 		.vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 },  // Validity unknown /Sam
646 		.gws_not_connected = 1,
647 		.input_mux = 1,
648 		.init = &avs6eyes_init,
649 	}
650 
651 };
652 
653 /*
654  * I2C functions
655  */
656 /* software I2C functions */
657 static int
658 zoran_i2c_getsda (void *data)
659 {
660 	struct zoran *zr = (struct zoran *) data;
661 
662 	return (btread(ZR36057_I2CBR) >> 1) & 1;
663 }
664 
665 static int
666 zoran_i2c_getscl (void *data)
667 {
668 	struct zoran *zr = (struct zoran *) data;
669 
670 	return btread(ZR36057_I2CBR) & 1;
671 }
672 
673 static void
674 zoran_i2c_setsda (void *data,
675 		  int   state)
676 {
677 	struct zoran *zr = (struct zoran *) data;
678 
679 	if (state)
680 		zr->i2cbr |= 2;
681 	else
682 		zr->i2cbr &= ~2;
683 	btwrite(zr->i2cbr, ZR36057_I2CBR);
684 }
685 
686 static void
687 zoran_i2c_setscl (void *data,
688 		  int   state)
689 {
690 	struct zoran *zr = (struct zoran *) data;
691 
692 	if (state)
693 		zr->i2cbr |= 1;
694 	else
695 		zr->i2cbr &= ~1;
696 	btwrite(zr->i2cbr, ZR36057_I2CBR);
697 }
698 
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,
706 };
707 
708 static int
709 zoran_register_i2c (struct zoran *zr)
710 {
711 	zr->i2c_algo = zoran_i2c_bit_data_template;
712 	zr->i2c_algo.data = zr;
713 	strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
714 		sizeof(zr->i2c_adapter.name));
715 	i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
716 	zr->i2c_adapter.algo_data = &zr->i2c_algo;
717 	zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
718 	return i2c_bit_add_bus(&zr->i2c_adapter);
719 }
720 
721 static void
722 zoran_unregister_i2c (struct zoran *zr)
723 {
724 	i2c_del_adapter(&zr->i2c_adapter);
725 }
726 
727 /* Check a zoran_params struct for correctness, insert default params */
728 
729 int
730 zoran_check_jpg_settings (struct zoran              *zr,
731 			  struct zoran_jpg_settings *settings,
732 			  int try)
733 {
734 	int err = 0, err0 = 0;
735 
736 	dprintk(4,
737 		KERN_DEBUG
738 		"%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
739 		ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
740 		settings->VerDcm, settings->TmpDcm);
741 	dprintk(4,
742 		KERN_DEBUG
743 		"%s: %s - x: %d, y: %d, w: %d, y: %d\n",
744 		ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
745 		settings->img_width, settings->img_height);
746 	/* Check decimation, set default values for decimation = 1, 2, 4 */
747 	switch (settings->decimation) {
748 	case 1:
749 
750 		settings->HorDcm = 1;
751 		settings->VerDcm = 1;
752 		settings->TmpDcm = 1;
753 		settings->field_per_buff = 2;
754 		settings->img_x = 0;
755 		settings->img_y = 0;
756 		settings->img_width = BUZ_MAX_WIDTH;
757 		settings->img_height = BUZ_MAX_HEIGHT / 2;
758 		break;
759 	case 2:
760 
761 		settings->HorDcm = 2;
762 		settings->VerDcm = 1;
763 		settings->TmpDcm = 2;
764 		settings->field_per_buff = 1;
765 		settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
766 		settings->img_y = 0;
767 		settings->img_width =
768 		    (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
769 		settings->img_height = BUZ_MAX_HEIGHT / 2;
770 		break;
771 	case 4:
772 
773 		if (zr->card.type == DC10_new) {
774 			dprintk(1,
775 				KERN_DEBUG
776 				"%s: %s - HDec by 4 is not supported on the DC10\n",
777 				ZR_DEVNAME(zr), __func__);
778 			err0++;
779 			break;
780 		}
781 
782 		settings->HorDcm = 4;
783 		settings->VerDcm = 2;
784 		settings->TmpDcm = 2;
785 		settings->field_per_buff = 1;
786 		settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
787 		settings->img_y = 0;
788 		settings->img_width =
789 		    (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
790 		settings->img_height = BUZ_MAX_HEIGHT / 2;
791 		break;
792 	case 0:
793 
794 		/* We have to check the data the user has set */
795 
796 		if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
797 		    (zr->card.type == DC10_new || settings->HorDcm != 4)) {
798 			settings->HorDcm = clamp(settings->HorDcm, 1, 2);
799 			err0++;
800 		}
801 		if (settings->VerDcm != 1 && settings->VerDcm != 2) {
802 			settings->VerDcm = clamp(settings->VerDcm, 1, 2);
803 			err0++;
804 		}
805 		if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
806 			settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
807 			err0++;
808 		}
809 		if (settings->field_per_buff != 1 &&
810 		    settings->field_per_buff != 2) {
811 			settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
812 			err0++;
813 		}
814 		if (settings->img_x < 0) {
815 			settings->img_x = 0;
816 			err0++;
817 		}
818 		if (settings->img_y < 0) {
819 			settings->img_y = 0;
820 			err0++;
821 		}
822 		if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
823 			settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
824 			err0++;
825 		}
826 		if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
827 			settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
828 			err0++;
829 		}
830 		if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
831 			settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
832 			err0++;
833 		}
834 		if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
835 			settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
836 			err0++;
837 		}
838 		if (settings->img_width % (16 * settings->HorDcm) != 0) {
839 			settings->img_width -= settings->img_width % (16 * settings->HorDcm);
840 			if (settings->img_width == 0)
841 				settings->img_width = 16 * settings->HorDcm;
842 			err0++;
843 		}
844 		if (settings->img_height % (8 * settings->VerDcm) != 0) {
845 			settings->img_height -= settings->img_height % (8 * settings->VerDcm);
846 			if (settings->img_height == 0)
847 				settings->img_height = 8 * settings->VerDcm;
848 			err0++;
849 		}
850 
851 		if (!try && err0) {
852 			dprintk(1,
853 				KERN_ERR
854 				"%s: %s - error in params for decimation = 0\n",
855 				ZR_DEVNAME(zr), __func__);
856 			err++;
857 		}
858 		break;
859 	default:
860 		dprintk(1,
861 			KERN_ERR
862 			"%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
863 			ZR_DEVNAME(zr), __func__, settings->decimation);
864 		err++;
865 		break;
866 	}
867 
868 	if (settings->jpg_comp.quality > 100)
869 		settings->jpg_comp.quality = 100;
870 	if (settings->jpg_comp.quality < 5)
871 		settings->jpg_comp.quality = 5;
872 	if (settings->jpg_comp.APPn < 0)
873 		settings->jpg_comp.APPn = 0;
874 	if (settings->jpg_comp.APPn > 15)
875 		settings->jpg_comp.APPn = 15;
876 	if (settings->jpg_comp.APP_len < 0)
877 		settings->jpg_comp.APP_len = 0;
878 	if (settings->jpg_comp.APP_len > 60)
879 		settings->jpg_comp.APP_len = 60;
880 	if (settings->jpg_comp.COM_len < 0)
881 		settings->jpg_comp.COM_len = 0;
882 	if (settings->jpg_comp.COM_len > 60)
883 		settings->jpg_comp.COM_len = 60;
884 	if (err)
885 		return -EINVAL;
886 	return 0;
887 }
888 
889 void
890 zoran_open_init_params (struct zoran *zr)
891 {
892 	int i;
893 
894 	/* User must explicitly set a window */
895 	zr->overlay_settings.is_set = 0;
896 	zr->overlay_mask = NULL;
897 	zr->overlay_active = ZORAN_FREE;
898 
899 	zr->v4l_memgrab_active = 0;
900 	zr->v4l_overlay_active = 0;
901 	zr->v4l_grab_frame = NO_GRAB_ACTIVE;
902 	zr->v4l_grab_seq = 0;
903 	zr->v4l_settings.width = 192;
904 	zr->v4l_settings.height = 144;
905 	zr->v4l_settings.format = &zoran_formats[7];	/* YUY2 - YUV-4:2:2 packed */
906 	zr->v4l_settings.bytesperline =
907 	    zr->v4l_settings.width *
908 	    ((zr->v4l_settings.format->depth + 7) / 8);
909 
910 	/* DMA ring stuff for V4L */
911 	zr->v4l_pend_tail = 0;
912 	zr->v4l_pend_head = 0;
913 	zr->v4l_sync_tail = 0;
914 	zr->v4l_buffers.active = ZORAN_FREE;
915 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
916 		zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;	/* nothing going on */
917 	}
918 	zr->v4l_buffers.allocated = 0;
919 
920 	for (i = 0; i < BUZ_MAX_FRAME; i++) {
921 		zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER;	/* nothing going on */
922 	}
923 	zr->jpg_buffers.active = ZORAN_FREE;
924 	zr->jpg_buffers.allocated = 0;
925 	/* Set necessary params and call zoran_check_jpg_settings to set the defaults */
926 	zr->jpg_settings.decimation = 1;
927 	zr->jpg_settings.jpg_comp.quality = 50;	/* default compression factor 8 */
928 	if (zr->card.type != BUZ)
929 		zr->jpg_settings.odd_even = 1;
930 	else
931 		zr->jpg_settings.odd_even = 0;
932 	zr->jpg_settings.jpg_comp.APPn = 0;
933 	zr->jpg_settings.jpg_comp.APP_len = 0;	/* No APPn marker */
934 	memset(zr->jpg_settings.jpg_comp.APP_data, 0,
935 	       sizeof(zr->jpg_settings.jpg_comp.APP_data));
936 	zr->jpg_settings.jpg_comp.COM_len = 0;	/* No COM marker */
937 	memset(zr->jpg_settings.jpg_comp.COM_data, 0,
938 	       sizeof(zr->jpg_settings.jpg_comp.COM_data));
939 	zr->jpg_settings.jpg_comp.jpeg_markers =
940 	    V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
941 	i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
942 	if (i)
943 		dprintk(1, KERN_ERR "%s: %s internal error\n",
944 			ZR_DEVNAME(zr), __func__);
945 
946 	clear_interrupt_counters(zr);
947 	zr->testing = 0;
948 }
949 
950 static void test_interrupts (struct zoran *zr)
951 {
952 	DEFINE_WAIT(wait);
953 	int timeout, icr;
954 
955 	clear_interrupt_counters(zr);
956 
957 	zr->testing = 1;
958 	icr = btread(ZR36057_ICR);
959 	btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
960 	prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
961 	timeout = schedule_timeout(HZ);
962 	finish_wait(&zr->test_q, &wait);
963 	btwrite(0, ZR36057_ICR);
964 	btwrite(0x78000000, ZR36057_ISR);
965 	zr->testing = 0;
966 	dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
967 	if (timeout) {
968 		dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
969 	}
970 	if (zr36067_debug > 1)
971 		print_interrupts(zr);
972 	btwrite(icr, ZR36057_ICR);
973 }
974 
975 static int zr36057_init (struct zoran *zr)
976 {
977 	int j, err;
978 
979 	dprintk(1,
980 		KERN_INFO
981 		"%s: %s - initializing card[%d], zr=%p\n",
982 		ZR_DEVNAME(zr), __func__, zr->id, zr);
983 
984 	/* default setup of all parameters which will persist between opens */
985 	zr->user = 0;
986 
987 	init_waitqueue_head(&zr->v4l_capq);
988 	init_waitqueue_head(&zr->jpg_capq);
989 	init_waitqueue_head(&zr->test_q);
990 	zr->jpg_buffers.allocated = 0;
991 	zr->v4l_buffers.allocated = 0;
992 
993 	zr->vbuf_base = (void *) vidmem;
994 	zr->vbuf_width = 0;
995 	zr->vbuf_height = 0;
996 	zr->vbuf_depth = 0;
997 	zr->vbuf_bytesperline = 0;
998 
999 	/* Avoid nonsense settings from user for default input/norm */
1000 	if (default_norm < 0 || default_norm > 2)
1001 		default_norm = 0;
1002 	if (default_norm == 0) {
1003 		zr->norm = V4L2_STD_PAL;
1004 		zr->timing = zr->card.tvn[0];
1005 	} else if (default_norm == 1) {
1006 		zr->norm = V4L2_STD_NTSC;
1007 		zr->timing = zr->card.tvn[1];
1008 	} else {
1009 		zr->norm = V4L2_STD_SECAM;
1010 		zr->timing = zr->card.tvn[2];
1011 	}
1012 	if (zr->timing == NULL) {
1013 		dprintk(1,
1014 			KERN_WARNING
1015 			"%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1016 			ZR_DEVNAME(zr), __func__);
1017 		zr->norm = V4L2_STD_PAL;
1018 		zr->timing = zr->card.tvn[0];
1019 	}
1020 
1021 	if (default_input > zr->card.inputs-1) {
1022 		dprintk(1,
1023 			KERN_WARNING
1024 			"%s: default_input value %d out of range (0-%d)\n",
1025 			ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1026 		default_input = 0;
1027 	}
1028 	zr->input = default_input;
1029 
1030 	/* default setup (will be repeated at every open) */
1031 	zoran_open_init_params(zr);
1032 
1033 	/* allocate memory *before* doing anything to the hardware
1034 	 * in case allocation fails */
1035 	zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1036 	zr->video_dev = video_device_alloc();
1037 	if (!zr->stat_com || !zr->video_dev) {
1038 		dprintk(1,
1039 			KERN_ERR
1040 			"%s: %s - kmalloc (STAT_COM) failed\n",
1041 			ZR_DEVNAME(zr), __func__);
1042 		err = -ENOMEM;
1043 		goto exit_free;
1044 	}
1045 	for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1046 		zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1047 	}
1048 
1049 	/*
1050 	 *   Now add the template and register the device unit.
1051 	 */
1052 	*zr->video_dev = zoran_template;
1053 	zr->video_dev->v4l2_dev = &zr->v4l2_dev;
1054 	zr->video_dev->lock = &zr->lock;
1055 	strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1056 	/* It's not a mem2mem device, but you can both capture and output from
1057 	   one and the same device. This should really be split up into two
1058 	   device nodes, but that's a job for another day. */
1059 	zr->video_dev->vfl_dir = VFL_DIR_M2M;
1060 	err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1061 	if (err < 0)
1062 		goto exit_free;
1063 	video_set_drvdata(zr->video_dev, zr);
1064 
1065 	zoran_init_hardware(zr);
1066 	if (zr36067_debug > 2)
1067 		detect_guest_activity(zr);
1068 	test_interrupts(zr);
1069 	if (!pass_through) {
1070 		decoder_call(zr, video, s_stream, 0);
1071 		encoder_call(zr, video, s_routing, 2, 0, 0);
1072 	}
1073 
1074 	zr->zoran_proc = NULL;
1075 	zr->initialized = 1;
1076 	return 0;
1077 
1078 exit_free:
1079 	kfree(zr->stat_com);
1080 	kfree(zr->video_dev);
1081 	return err;
1082 }
1083 
1084 static void zoran_remove(struct pci_dev *pdev)
1085 {
1086 	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1087 	struct zoran *zr = to_zoran(v4l2_dev);
1088 
1089 	if (!zr->initialized)
1090 		goto exit_free;
1091 
1092 	/* unregister videocodec bus */
1093 	if (zr->codec) {
1094 		struct videocodec_master *master = zr->codec->master_data;
1095 
1096 		videocodec_detach(zr->codec);
1097 		kfree(master);
1098 	}
1099 	if (zr->vfe) {
1100 		struct videocodec_master *master = zr->vfe->master_data;
1101 
1102 		videocodec_detach(zr->vfe);
1103 		kfree(master);
1104 	}
1105 
1106 	/* unregister i2c bus */
1107 	zoran_unregister_i2c(zr);
1108 	/* disable PCI bus-mastering */
1109 	zoran_set_pci_master(zr, 0);
1110 	/* put chip into reset */
1111 	btwrite(0, ZR36057_SPGPPCR);
1112 	free_irq(zr->pci_dev->irq, zr);
1113 	/* unmap and free memory */
1114 	kfree(zr->stat_com);
1115 	zoran_proc_cleanup(zr);
1116 	iounmap(zr->zr36057_mem);
1117 	pci_disable_device(zr->pci_dev);
1118 	video_unregister_device(zr->video_dev);
1119 exit_free:
1120 	v4l2_ctrl_handler_free(&zr->hdl);
1121 	v4l2_device_unregister(&zr->v4l2_dev);
1122 	kfree(zr);
1123 }
1124 
1125 void
1126 zoran_vdev_release (struct video_device *vdev)
1127 {
1128 	kfree(vdev);
1129 }
1130 
1131 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1132 							int type)
1133 {
1134 	struct videocodec_master *m = NULL;
1135 
1136 	m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1137 	if (!m) {
1138 		dprintk(1, KERN_ERR "%s: %s - no memory\n",
1139 			ZR_DEVNAME(zr), __func__);
1140 		return m;
1141 	}
1142 
1143 	/* magic and type are unused for master struct. Makes sense only at
1144 	   codec structs.
1145 	   In the past, .type were initialized to the old V4L1 .hardware
1146 	   value, as VID_HARDWARE_ZR36067
1147 	 */
1148 	m->magic = 0L;
1149 	m->type = 0;
1150 
1151 	m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1152 	strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1153 	m->data = zr;
1154 
1155 	switch (type)
1156 	{
1157 	case CODEC_TYPE_ZR36060:
1158 		m->readreg = zr36060_read;
1159 		m->writereg = zr36060_write;
1160 		m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1161 		break;
1162 	case CODEC_TYPE_ZR36050:
1163 		m->readreg = zr36050_read;
1164 		m->writereg = zr36050_write;
1165 		m->flags |= CODEC_FLAG_JPEG;
1166 		break;
1167 	case CODEC_TYPE_ZR36016:
1168 		m->readreg = zr36016_read;
1169 		m->writereg = zr36016_write;
1170 		m->flags |= CODEC_FLAG_VFE;
1171 		break;
1172 	}
1173 
1174 	return m;
1175 }
1176 
1177 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1178 {
1179 	struct zoran *zr = to_zoran(sd->v4l2_dev);
1180 
1181 	/* Bt819 needs to reset its FIFO buffer using #FRST pin and
1182 	   LML33 card uses GPIO(7) for that. */
1183 	if (cmd == BT819_FIFO_RESET_LOW)
1184 		GPIO(zr, 7, 0);
1185 	else if (cmd == BT819_FIFO_RESET_HIGH)
1186 		GPIO(zr, 7, 1);
1187 }
1188 
1189 /*
1190  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1191  *   request the irq and map the io memory
1192  */
1193 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1194 {
1195 	unsigned char latency, need_latency;
1196 	struct zoran *zr;
1197 	int result;
1198 	struct videocodec_master *master_vfe = NULL;
1199 	struct videocodec_master *master_codec = NULL;
1200 	int card_num;
1201 	char *codec_name, *vfe_name;
1202 	unsigned int nr;
1203 
1204 
1205 	nr = zoran_num++;
1206 	if (nr >= BUZ_MAX) {
1207 		dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1208 			ZORAN_NAME, BUZ_MAX);
1209 		return -ENOENT;
1210 	}
1211 
1212 	zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1213 	if (!zr) {
1214 		dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1215 			ZORAN_NAME, __func__);
1216 		return -ENOMEM;
1217 	}
1218 	zr->v4l2_dev.notify = zoran_subdev_notify;
1219 	if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1220 		goto zr_free_mem;
1221 	zr->pci_dev = pdev;
1222 	zr->id = nr;
1223 	snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1224 	if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1225 		goto zr_unreg;
1226 	zr->v4l2_dev.ctrl_handler = &zr->hdl;
1227 	spin_lock_init(&zr->spinlock);
1228 	mutex_init(&zr->lock);
1229 	if (pci_enable_device(pdev))
1230 		goto zr_unreg;
1231 	zr->revision = zr->pci_dev->revision;
1232 
1233 	dprintk(1,
1234 		KERN_INFO
1235 		"%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1236 		ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1237 		zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1238 	if (zr->revision >= 2) {
1239 		dprintk(1,
1240 			KERN_INFO
1241 			"%s: Subsystem vendor=0x%04x id=0x%04x\n",
1242 			ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1243 			zr->pci_dev->subsystem_device);
1244 	}
1245 
1246 	/* Use auto-detected card type? */
1247 	if (card[nr] == -1) {
1248 		if (zr->revision < 2) {
1249 			dprintk(1,
1250 				KERN_ERR
1251 				"%s: No card type specified, please use the card=X module parameter\n",
1252 				ZR_DEVNAME(zr));
1253 			dprintk(1,
1254 				KERN_ERR
1255 				"%s: It is not possible to auto-detect ZR36057 based cards\n",
1256 				ZR_DEVNAME(zr));
1257 			goto zr_unreg;
1258 		}
1259 
1260 		card_num = ent->driver_data;
1261 		if (card_num >= NUM_CARDS) {
1262 			dprintk(1,
1263 				KERN_ERR
1264 				"%s: Unknown card, try specifying card=X module parameter\n",
1265 				ZR_DEVNAME(zr));
1266 			goto zr_unreg;
1267 		}
1268 		dprintk(3,
1269 			KERN_DEBUG
1270 			"%s: %s() - card %s detected\n",
1271 			ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1272 	} else {
1273 		card_num = card[nr];
1274 		if (card_num >= NUM_CARDS || card_num < 0) {
1275 			dprintk(1,
1276 				KERN_ERR
1277 				"%s: User specified card type %d out of range (0 .. %d)\n",
1278 				ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1279 			goto zr_unreg;
1280 		}
1281 	}
1282 
1283 	/* even though we make this a non pointer and thus
1284 	 * theoretically allow for making changes to this struct
1285 	 * on a per-individual card basis at runtime, this is
1286 	 * strongly discouraged. This structure is intended to
1287 	 * keep general card information, no settings or anything */
1288 	zr->card = zoran_cards[card_num];
1289 	snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1290 		 "%s[%u]", zr->card.name, zr->id);
1291 
1292 	zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1293 	if (!zr->zr36057_mem) {
1294 		dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1295 			ZR_DEVNAME(zr), __func__);
1296 		goto zr_unreg;
1297 	}
1298 
1299 	result = request_irq(zr->pci_dev->irq, zoran_irq,
1300 			     IRQF_SHARED, ZR_DEVNAME(zr), zr);
1301 	if (result < 0) {
1302 		if (result == -EINVAL) {
1303 			dprintk(1,
1304 				KERN_ERR
1305 				"%s: %s - bad irq number or handler\n",
1306 				ZR_DEVNAME(zr), __func__);
1307 		} else if (result == -EBUSY) {
1308 			dprintk(1,
1309 				KERN_ERR
1310 				"%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1311 				ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1312 		} else {
1313 			dprintk(1,
1314 				KERN_ERR
1315 				"%s: %s - can't assign irq, error code %d\n",
1316 				ZR_DEVNAME(zr), __func__, result);
1317 		}
1318 		goto zr_unmap;
1319 	}
1320 
1321 	/* set PCI latency timer */
1322 	pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1323 			     &latency);
1324 	need_latency = zr->revision > 1 ? 32 : 48;
1325 	if (latency != need_latency) {
1326 		dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1327 			ZR_DEVNAME(zr), latency, need_latency);
1328 		pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1329 				      need_latency);
1330 	}
1331 
1332 	zr36057_restart(zr);
1333 	/* i2c */
1334 	dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1335 		ZR_DEVNAME(zr));
1336 
1337 	if (zoran_register_i2c(zr) < 0) {
1338 		dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1339 			ZR_DEVNAME(zr), __func__);
1340 		goto zr_free_irq;
1341 	}
1342 
1343 	zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1344 		&zr->i2c_adapter, zr->card.i2c_decoder,
1345 		0, zr->card.addrs_decoder);
1346 
1347 	if (zr->card.i2c_encoder)
1348 		zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1349 			&zr->i2c_adapter, zr->card.i2c_encoder,
1350 			0, zr->card.addrs_encoder);
1351 
1352 	dprintk(2,
1353 		KERN_INFO "%s: Initializing videocodec bus...\n",
1354 		ZR_DEVNAME(zr));
1355 
1356 	if (zr->card.video_codec) {
1357 		codec_name = codecid_to_modulename(zr->card.video_codec);
1358 		if (codec_name) {
1359 			result = request_module(codec_name);
1360 			if (result) {
1361 				dprintk(1,
1362 					KERN_ERR
1363 					"%s: failed to load modules %s: %d\n",
1364 					ZR_DEVNAME(zr), codec_name, result);
1365 			}
1366 		}
1367 	}
1368 	if (zr->card.video_vfe) {
1369 		vfe_name = codecid_to_modulename(zr->card.video_vfe);
1370 		if (vfe_name) {
1371 			result = request_module(vfe_name);
1372 			if (result < 0) {
1373 				dprintk(1,
1374 					KERN_ERR
1375 					"%s: failed to load modules %s: %d\n",
1376 					ZR_DEVNAME(zr), vfe_name, result);
1377 			}
1378 		}
1379 	}
1380 
1381 	/* reset JPEG codec */
1382 	jpeg_codec_sleep(zr, 1);
1383 	jpeg_codec_reset(zr);
1384 	/* video bus enabled */
1385 	/* display codec revision */
1386 	if (zr->card.video_codec != 0) {
1387 		master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1388 		if (!master_codec)
1389 			goto zr_unreg_i2c;
1390 		zr->codec = videocodec_attach(master_codec);
1391 		if (!zr->codec) {
1392 			dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1393 				ZR_DEVNAME(zr), __func__);
1394 			goto zr_free_codec;
1395 		}
1396 		if (zr->codec->type != zr->card.video_codec) {
1397 			dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1398 				ZR_DEVNAME(zr), __func__);
1399 			goto zr_detach_codec;
1400 		}
1401 	}
1402 	if (zr->card.video_vfe != 0) {
1403 		master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1404 		if (!master_vfe)
1405 			goto zr_detach_codec;
1406 		zr->vfe = videocodec_attach(master_vfe);
1407 		if (!zr->vfe) {
1408 			dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1409 				ZR_DEVNAME(zr), __func__);
1410 			goto zr_free_vfe;
1411 		}
1412 		if (zr->vfe->type != zr->card.video_vfe) {
1413 			dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1414 				ZR_DEVNAME(zr), __func__);
1415 			goto zr_detach_vfe;
1416 		}
1417 	}
1418 
1419 	/* take care of Natoma chipset and a revision 1 zr36057 */
1420 	if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1421 		zr->jpg_buffers.need_contiguous = 1;
1422 		dprintk(1, KERN_INFO
1423 			"%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1424 			ZR_DEVNAME(zr));
1425 	}
1426 
1427 	if (zr36057_init(zr) < 0)
1428 		goto zr_detach_vfe;
1429 
1430 	zoran_proc_init(zr);
1431 
1432 	return 0;
1433 
1434 zr_detach_vfe:
1435 	videocodec_detach(zr->vfe);
1436 zr_free_vfe:
1437 	kfree(master_vfe);
1438 zr_detach_codec:
1439 	videocodec_detach(zr->codec);
1440 zr_free_codec:
1441 	kfree(master_codec);
1442 zr_unreg_i2c:
1443 	zoran_unregister_i2c(zr);
1444 zr_free_irq:
1445 	btwrite(0, ZR36057_SPGPPCR);
1446 	free_irq(zr->pci_dev->irq, zr);
1447 zr_unmap:
1448 	iounmap(zr->zr36057_mem);
1449 zr_unreg:
1450 	v4l2_ctrl_handler_free(&zr->hdl);
1451 	v4l2_device_unregister(&zr->v4l2_dev);
1452 zr_free_mem:
1453 	kfree(zr);
1454 
1455 	return -ENODEV;
1456 }
1457 
1458 static struct pci_driver zoran_driver = {
1459 	.name = "zr36067",
1460 	.id_table = zr36067_pci_tbl,
1461 	.probe = zoran_probe,
1462 	.remove = zoran_remove,
1463 };
1464 
1465 static int __init zoran_init(void)
1466 {
1467 	int res;
1468 
1469 	printk(KERN_INFO "Zoran MJPEG board driver version %s\n",
1470 	       ZORAN_VERSION);
1471 
1472 	/* check the parameters we have been given, adjust if necessary */
1473 	if (v4l_nbufs < 2)
1474 		v4l_nbufs = 2;
1475 	if (v4l_nbufs > VIDEO_MAX_FRAME)
1476 		v4l_nbufs = VIDEO_MAX_FRAME;
1477 	/* The user specfies the in KB, we want them in byte
1478 	 * (and page aligned) */
1479 	v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1480 	if (v4l_bufsize < 32768)
1481 		v4l_bufsize = 32768;
1482 	/* 2 MB is arbitrary but sufficient for the maximum possible images */
1483 	if (v4l_bufsize > 2048 * 1024)
1484 		v4l_bufsize = 2048 * 1024;
1485 	if (jpg_nbufs < 4)
1486 		jpg_nbufs = 4;
1487 	if (jpg_nbufs > BUZ_MAX_FRAME)
1488 		jpg_nbufs = BUZ_MAX_FRAME;
1489 	jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1490 	if (jpg_bufsize < 8192)
1491 		jpg_bufsize = 8192;
1492 	if (jpg_bufsize > (512 * 1024))
1493 		jpg_bufsize = 512 * 1024;
1494 	/* Use parameter for vidmem or try to find a video card */
1495 	if (vidmem) {
1496 		dprintk(1,
1497 			KERN_INFO
1498 			"%s: Using supplied video memory base address @ 0x%lx\n",
1499 			ZORAN_NAME, vidmem);
1500 	}
1501 
1502 	/* some mainboards might not do PCI-PCI data transfer well */
1503 	if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1504 		dprintk(1,
1505 			KERN_WARNING
1506 			"%s: chipset does not support reliable PCI-PCI DMA\n",
1507 			ZORAN_NAME);
1508 	}
1509 
1510 	res = pci_register_driver(&zoran_driver);
1511 	if (res) {
1512 		dprintk(1,
1513 			KERN_ERR
1514 			"%s: Unable to register ZR36057 driver\n",
1515 			ZORAN_NAME);
1516 		return res;
1517 	}
1518 
1519 	return 0;
1520 }
1521 
1522 static void __exit zoran_exit(void)
1523 {
1524 	pci_unregister_driver(&zoran_driver);
1525 }
1526 
1527 module_init(zoran_init);
1528 module_exit(zoran_exit);
1529