1 /*
2     ivtv driver initialization and card probing
3     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
4     Copyright (C) 2004  Chris Kennedy <c@groovy.org>
5     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
6 
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11 
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.
16 
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21 
22 /* Main Driver file for the ivtv project:
23  * Driver for the Conexant CX23415/CX23416 chip.
24  * Author: Kevin Thayer (nufan_wfk at yahoo.com)
25  * License: GPL
26  * http://www.ivtvdriver.org
27  *
28  * -----
29  * MPG600/MPG160 support by  T.Adachi <tadachi@tadachi-net.com>
30  *                      and Takeru KOMORIYA<komoriya@paken.org>
31  *
32  * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
33  *                using information provided by Jiun-Kuei Jung @ AVerMedia.
34  *
35  * Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
36  *                using information from T.Adachi,Takeru KOMORIYA and others :-)
37  *
38  * Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
39  *                version by T.Adachi. Special thanks  Mr.Suzuki
40  */
41 
42 #include "ivtv-driver.h"
43 #include "ivtv-version.h"
44 #include "ivtv-fileops.h"
45 #include "ivtv-i2c.h"
46 #include "ivtv-firmware.h"
47 #include "ivtv-queue.h"
48 #include "ivtv-udma.h"
49 #include "ivtv-irq.h"
50 #include "ivtv-mailbox.h"
51 #include "ivtv-streams.h"
52 #include "ivtv-ioctl.h"
53 #include "ivtv-cards.h"
54 #include "ivtv-vbi.h"
55 #include "ivtv-routing.h"
56 #include "ivtv-controls.h"
57 #include "ivtv-gpio.h"
58 #include <linux/dma-mapping.h>
59 #include <media/tveeprom.h>
60 #include <media/i2c/saa7115.h>
61 #include "tuner-xc2028.h"
62 
63 /* If you have already X v4l cards, then set this to X. This way
64    the device numbers stay matched. Example: you have a WinTV card
65    without radio and a PVR-350 with. Normally this would give a
66    video1 device together with a radio0 device for the PVR. By
67    setting this to 1 you ensure that radio0 is now also radio1. */
68 int ivtv_first_minor;
69 
70 /* Callback for registering extensions */
71 int (*ivtv_ext_init)(struct ivtv *);
72 EXPORT_SYMBOL(ivtv_ext_init);
73 
74 /* add your revision and whatnot here */
75 static struct pci_device_id ivtv_pci_tbl[] = {
76 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
77 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
78 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
79 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
80 	{0,}
81 };
82 
83 MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
84 
85 /* ivtv instance counter */
86 static atomic_t ivtv_instance = ATOMIC_INIT(0);
87 
88 /* Parameter declarations */
89 static int cardtype[IVTV_MAX_CARDS];
90 static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
91 				     -1, -1, -1, -1, -1, -1, -1, -1,
92 				     -1, -1, -1, -1, -1, -1, -1, -1,
93 				     -1, -1, -1, -1, -1, -1, -1, -1 };
94 static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
95 				     -1, -1, -1, -1, -1, -1, -1, -1,
96 				     -1, -1, -1, -1, -1, -1, -1, -1,
97 				     -1, -1, -1, -1, -1, -1, -1, -1 };
98 static int i2c_clock_period[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
99 					       -1, -1, -1, -1, -1, -1, -1, -1,
100 					       -1, -1, -1, -1, -1, -1, -1, -1,
101 					       -1, -1, -1, -1, -1, -1, -1, -1 };
102 
103 static unsigned int cardtype_c = 1;
104 static unsigned int tuner_c = 1;
105 static int radio_c = 1;
106 static unsigned int i2c_clock_period_c = 1;
107 static char pal[] = "---";
108 static char secam[] = "--";
109 static char ntsc[] = "-";
110 
111 /* Buffers */
112 
113 /* DMA Buffers, Default size in MB allocated */
114 #define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
115 #define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
116 #define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
117 /* Exception: size in kB for this stream (MB is overkill) */
118 #define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
119 #define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
120 #define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
121 /* Exception: size in kB for this stream (MB is way overkill) */
122 #define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
123 
124 static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
125 static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
126 static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
127 static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
128 static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
129 static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
130 static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
131 
132 static int ivtv_yuv_mode;
133 static int ivtv_yuv_threshold = -1;
134 static int ivtv_pci_latency = 1;
135 
136 int ivtv_debug;
137 #ifdef CONFIG_VIDEO_ADV_DEBUG
138 int ivtv_fw_debug;
139 #endif
140 
141 static int tunertype = -1;
142 static int newi2c = -1;
143 
144 module_param_array(tuner, int, &tuner_c, 0644);
145 module_param_array(radio, int, &radio_c, 0644);
146 module_param_array(cardtype, int, &cardtype_c, 0644);
147 module_param_string(pal, pal, sizeof(pal), 0644);
148 module_param_string(secam, secam, sizeof(secam), 0644);
149 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
150 module_param_named(debug,ivtv_debug, int, 0644);
151 #ifdef CONFIG_VIDEO_ADV_DEBUG
152 module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
153 #endif
154 module_param(ivtv_pci_latency, int, 0644);
155 module_param(ivtv_yuv_mode, int, 0644);
156 module_param(ivtv_yuv_threshold, int, 0644);
157 module_param(ivtv_first_minor, int, 0644);
158 
159 module_param(enc_mpg_buffers, int, 0644);
160 module_param(enc_yuv_buffers, int, 0644);
161 module_param(enc_vbi_buffers, int, 0644);
162 module_param(enc_pcm_buffers, int, 0644);
163 module_param(dec_mpg_buffers, int, 0644);
164 module_param(dec_yuv_buffers, int, 0644);
165 module_param(dec_vbi_buffers, int, 0644);
166 
167 module_param(tunertype, int, 0644);
168 module_param(newi2c, int, 0644);
169 module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
170 
171 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
172 			"\t\t\tsee tuner.h for values");
173 MODULE_PARM_DESC(radio,
174 		 "Enable or disable the radio. Use only if autodetection\n"
175 		 "\t\t\tfails. 0 = disable, 1 = enable");
176 MODULE_PARM_DESC(cardtype,
177 		 "Only use this option if your card is not detected properly.\n"
178 		 "\t\tSpecify card type:\n"
179 		 "\t\t\t 1 = WinTV PVR 250\n"
180 		 "\t\t\t 2 = WinTV PVR 350\n"
181 		 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
182 		 "\t\t\t 4 = AVerMedia M179\n"
183 		 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
184 		 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
185 		 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
186 		 "\t\t\t 8 = Adaptec AVC-2410\n"
187 		 "\t\t\t 9 = Adaptec AVC-2010\n"
188 		 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
189 		 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
190 		 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
191 		 "\t\t\t13 = I/O Data GV-MVP/RX\n"
192 		 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
193 		 "\t\t\t15 = GOTVIEW PCI DVD\n"
194 		 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
195 		 "\t\t\t17 = Yuan MPC622\n"
196 		 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
197 		 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
198 		 "\t\t\t20 = Club3D ZAP-TV1x01\n"
199 		 "\t\t\t21 = AverTV MCE 116 Plus\n"
200 		 "\t\t\t22 = ASUS Falcon2\n"
201 		 "\t\t\t23 = AverMedia PVR-150 Plus\n"
202 		 "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
203 		 "\t\t\t25 = AverMedia M104 (not yet working)\n"
204 		 "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
205 		 "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
206 		 "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
207 		 "\t\t\t 0 = Autodetect (default)\n"
208 		 "\t\t\t-1 = Ignore this card\n\t\t");
209 MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
210 MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
211 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
212 MODULE_PARM_DESC(tunertype,
213 		"Specify tuner type:\n"
214 		"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
215 		"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
216 		"\t\t\t-1 = Autodetect (default)\n");
217 MODULE_PARM_DESC(debug,
218 		 "Debug level (bitmask). Default: 0\n"
219 		 "\t\t\t   1/0x0001: warning\n"
220 		 "\t\t\t   2/0x0002: info\n"
221 		 "\t\t\t   4/0x0004: mailbox\n"
222 		 "\t\t\t   8/0x0008: ioctl\n"
223 		 "\t\t\t  16/0x0010: file\n"
224 		 "\t\t\t  32/0x0020: dma\n"
225 		 "\t\t\t  64/0x0040: irq\n"
226 		 "\t\t\t 128/0x0080: decoder\n"
227 		 "\t\t\t 256/0x0100: yuv\n"
228 		 "\t\t\t 512/0x0200: i2c\n"
229 		 "\t\t\t1024/0x0400: high volume\n");
230 #ifdef CONFIG_VIDEO_ADV_DEBUG
231 MODULE_PARM_DESC(fw_debug,
232 		 "Enable code for debugging firmware problems.  Default: 0\n");
233 #endif
234 MODULE_PARM_DESC(ivtv_pci_latency,
235 		 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
236 		 "\t\t\tDefault: Yes");
237 MODULE_PARM_DESC(ivtv_yuv_mode,
238 		 "Specify the yuv playback mode:\n"
239 		 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
240 		 "\t\t\tDefault: 0 (interlaced)");
241 MODULE_PARM_DESC(ivtv_yuv_threshold,
242 		 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
243 		 "\t\t\tDefault: 480");
244 MODULE_PARM_DESC(enc_mpg_buffers,
245 		 "Encoder MPG Buffers (in MB)\n"
246 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
247 MODULE_PARM_DESC(enc_yuv_buffers,
248 		 "Encoder YUV Buffers (in MB)\n"
249 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
250 MODULE_PARM_DESC(enc_vbi_buffers,
251 		 "Encoder VBI Buffers (in MB)\n"
252 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
253 MODULE_PARM_DESC(enc_pcm_buffers,
254 		 "Encoder PCM buffers (in kB)\n"
255 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
256 MODULE_PARM_DESC(dec_mpg_buffers,
257 		 "Decoder MPG buffers (in MB)\n"
258 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
259 MODULE_PARM_DESC(dec_yuv_buffers,
260 		 "Decoder YUV buffers (in MB)\n"
261 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
262 MODULE_PARM_DESC(dec_vbi_buffers,
263 		 "Decoder VBI buffers (in kB)\n"
264 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
265 MODULE_PARM_DESC(newi2c,
266 		 "Use new I2C implementation\n"
267 		 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
268 		 "\t\t\tDefault is autodetect");
269 MODULE_PARM_DESC(i2c_clock_period,
270 		 "Period of SCL for the I2C bus controlled by the CX23415/6\n"
271 		 "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
272 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
273 
274 MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
275 
276 MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
277 MODULE_DESCRIPTION("CX23415/CX23416 driver");
278 MODULE_SUPPORTED_DEVICE
279     ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
280 		"\t\t\tYuan MPG series and similar)");
281 MODULE_LICENSE("GPL");
282 
283 MODULE_VERSION(IVTV_VERSION);
284 
285 #if defined(CONFIG_MODULES) && defined(MODULE)
286 static void request_module_async(struct work_struct *work)
287 {
288 	struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
289 
290 	/* Make sure ivtv-alsa module is loaded */
291 	request_module("ivtv-alsa");
292 
293 	/* Initialize ivtv-alsa for this instance of the cx18 device */
294 	if (ivtv_ext_init != NULL)
295 		ivtv_ext_init(dev);
296 }
297 
298 static void request_modules(struct ivtv *dev)
299 {
300 	INIT_WORK(&dev->request_module_wk, request_module_async);
301 	schedule_work(&dev->request_module_wk);
302 }
303 
304 static void flush_request_modules(struct ivtv *dev)
305 {
306 	flush_work(&dev->request_module_wk);
307 }
308 #else
309 #define request_modules(dev)
310 #define flush_request_modules(dev)
311 #endif /* CONFIG_MODULES */
312 
313 void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
314 {
315 	itv->irqmask &= ~mask;
316 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
317 }
318 
319 void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
320 {
321 	itv->irqmask |= mask;
322 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
323 }
324 
325 int ivtv_set_output_mode(struct ivtv *itv, int mode)
326 {
327     int old_mode;
328 
329     spin_lock(&itv->lock);
330     old_mode = itv->output_mode;
331     if (old_mode == 0)
332 	itv->output_mode = old_mode = mode;
333     spin_unlock(&itv->lock);
334     return old_mode;
335 }
336 
337 struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
338 {
339 	switch (itv->output_mode) {
340 	case OUT_MPG:
341 		return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
342 	case OUT_YUV:
343 		return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
344 	default:
345 		return NULL;
346 	}
347 }
348 
349 int ivtv_waitq(wait_queue_head_t *waitq)
350 {
351 	DEFINE_WAIT(wait);
352 
353 	prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
354 	schedule();
355 	finish_wait(waitq, &wait);
356 	return signal_pending(current) ? -EINTR : 0;
357 }
358 
359 /* Generic utility functions */
360 int ivtv_msleep_timeout(unsigned int msecs, int intr)
361 {
362 	int timeout = msecs_to_jiffies(msecs);
363 
364 	do {
365 		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
366 		timeout = schedule_timeout(timeout);
367 		if (intr) {
368 			int ret = signal_pending(current);
369 
370 			if (ret)
371 				return ret;
372 		}
373 	} while (timeout);
374 	return 0;
375 }
376 
377 /* Release ioremapped memory */
378 static void ivtv_iounmap(struct ivtv *itv)
379 {
380 	if (itv == NULL)
381 		return;
382 
383 	/* Release registers memory */
384 	if (itv->reg_mem != NULL) {
385 		IVTV_DEBUG_INFO("releasing reg_mem\n");
386 		iounmap(itv->reg_mem);
387 		itv->reg_mem = NULL;
388 	}
389 	/* Release io memory */
390 	if (itv->has_cx23415 && itv->dec_mem != NULL) {
391 		IVTV_DEBUG_INFO("releasing dec_mem\n");
392 		iounmap(itv->dec_mem);
393 	}
394 	itv->dec_mem = NULL;
395 
396 	/* Release io memory */
397 	if (itv->enc_mem != NULL) {
398 		IVTV_DEBUG_INFO("releasing enc_mem\n");
399 		iounmap(itv->enc_mem);
400 		itv->enc_mem = NULL;
401 	}
402 }
403 
404 /* Hauppauge card? get values from tveeprom */
405 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
406 {
407 	u8 eedata[256];
408 
409 	itv->i2c_client.addr = 0xA0 >> 1;
410 	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
411 	tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
412 }
413 
414 static void ivtv_process_eeprom(struct ivtv *itv)
415 {
416 	struct tveeprom tv;
417 	int pci_slot = PCI_SLOT(itv->pdev->devfn);
418 
419 	ivtv_read_eeprom(itv, &tv);
420 
421 	/* Many thanks to Steven Toth from Hauppauge for providing the
422 	   model numbers */
423 	switch (tv.model) {
424 		/* In a few cases the PCI subsystem IDs do not correctly
425 		   identify the card. A better method is to check the
426 		   model number from the eeprom instead. */
427 		case 30012 ... 30039:  /* Low profile PVR250 */
428 		case 32000 ... 32999:
429 		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */
430 		case 48400 ... 48599:
431 			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
432 			break;
433 		case 48100 ... 48399:
434 		case 48600 ... 48999:
435 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
436 			break;
437 		case 23000 ... 23999:  /* PVR500 */
438 		case 25000 ... 25999:  /* Low profile PVR150 */
439 		case 26000 ... 26999:  /* Regular PVR150 */
440 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
441 			break;
442 		case 0:
443 			IVTV_ERR("Invalid EEPROM\n");
444 			return;
445 		default:
446 			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
447 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
448 			break;
449 	}
450 
451 	switch (tv.model) {
452 		/* Old style PVR350 (with an saa7114) uses this input for
453 		   the tuner. */
454 		case 48254:
455 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
456 			break;
457 		default:
458 			break;
459 	}
460 
461 	itv->v4l2_cap = itv->card->v4l2_capabilities;
462 	itv->card_name = itv->card->name;
463 	itv->card_i2c = itv->card->i2c;
464 
465 	/* If this is a PVR500 then it should be possible to detect whether it is the
466 	   first or second unit by looking at the subsystem device ID: is bit 4 is
467 	   set, then it is the second unit (according to info from Hauppauge).
468 
469 	   However, while this works for most cards, I have seen a few PVR500 cards
470 	   where both units have the same subsystem ID.
471 
472 	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
473 	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
474 	   it is the second unit. It is possible that it is a different slot when ivtv is
475 	   used in Xen, in that case I ignore this card here. The worst that can happen
476 	   is that the card presents itself with a non-working radio device.
477 
478 	   This detection is needed since the eeprom reports incorrectly that a radio is
479 	   present on the second unit. */
480 	if (tv.model / 1000 == 23) {
481 		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
482 			.radio = { 0x60, I2C_CLIENT_END },
483 			.demod = { 0x43, I2C_CLIENT_END },
484 			.tv = { 0x61, I2C_CLIENT_END },
485 		};
486 
487 		itv->card_name = "WinTV PVR 500";
488 		itv->card_i2c = &ivtv_i2c_radio;
489 		if (pci_slot == 8 || pci_slot == 9) {
490 			int is_first = (pci_slot & 1) == 0;
491 
492 			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
493 						    "WinTV PVR 500 (unit #2)";
494 			if (!is_first) {
495 				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
496 				tv.has_radio = 0;
497 			}
498 		}
499 	}
500 	IVTV_INFO("Autodetected %s\n", itv->card_name);
501 
502 	switch (tv.tuner_hauppauge_model) {
503 		case 85:
504 		case 99:
505 		case 112:
506 			itv->pvr150_workaround = 1;
507 			break;
508 		default:
509 			break;
510 	}
511 	if (tv.tuner_type == TUNER_ABSENT)
512 		IVTV_ERR("tveeprom cannot autodetect tuner!\n");
513 
514 	if (itv->options.tuner == -1)
515 		itv->options.tuner = tv.tuner_type;
516 	if (itv->options.radio == -1)
517 		itv->options.radio = (tv.has_radio != 0);
518 	/* only enable newi2c if an IR blaster is present */
519 	if (itv->options.newi2c == -1 && tv.has_ir) {
520 		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
521 		if (itv->options.newi2c) {
522 		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
523 		    exit_ivtv_i2c(itv);
524 		    init_ivtv_i2c(itv);
525 		}
526 	}
527 
528 	if (itv->std != 0)
529 		/* user specified tuner standard */
530 		return;
531 
532 	/* autodetect tuner standard */
533 	if (tv.tuner_formats & V4L2_STD_PAL) {
534 		IVTV_DEBUG_INFO("PAL tuner detected\n");
535 		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
536 	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
537 		IVTV_DEBUG_INFO("NTSC tuner detected\n");
538 		itv->std |= V4L2_STD_NTSC_M;
539 	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
540 		IVTV_DEBUG_INFO("SECAM tuner detected\n");
541 		itv->std |= V4L2_STD_SECAM_L;
542 	} else {
543 		IVTV_INFO("No tuner detected, default to NTSC-M\n");
544 		itv->std |= V4L2_STD_NTSC_M;
545 	}
546 }
547 
548 static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
549 {
550 	switch (pal[0]) {
551 		case '6':
552 			tunertype = 0;
553 			return V4L2_STD_PAL_60;
554 		case 'b':
555 		case 'B':
556 		case 'g':
557 		case 'G':
558 		case 'h':
559 		case 'H':
560 			tunertype = 0;
561 			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
562 		case 'n':
563 		case 'N':
564 			tunertype = 1;
565 			if (pal[1] == 'c' || pal[1] == 'C')
566 				return V4L2_STD_PAL_Nc;
567 			return V4L2_STD_PAL_N;
568 		case 'i':
569 		case 'I':
570 			tunertype = 0;
571 			return V4L2_STD_PAL_I;
572 		case 'd':
573 		case 'D':
574 		case 'k':
575 		case 'K':
576 			tunertype = 0;
577 			return V4L2_STD_PAL_DK;
578 		case 'M':
579 		case 'm':
580 			tunertype = 1;
581 			return V4L2_STD_PAL_M;
582 		case '-':
583 			break;
584 		default:
585 			IVTV_WARN("pal= argument not recognised\n");
586 			return 0;
587 	}
588 
589 	switch (secam[0]) {
590 		case 'b':
591 		case 'B':
592 		case 'g':
593 		case 'G':
594 		case 'h':
595 		case 'H':
596 			tunertype = 0;
597 			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
598 		case 'd':
599 		case 'D':
600 		case 'k':
601 		case 'K':
602 			tunertype = 0;
603 			return V4L2_STD_SECAM_DK;
604 		case 'l':
605 		case 'L':
606 			tunertype = 0;
607 			if (secam[1] == 'C' || secam[1] == 'c')
608 				return V4L2_STD_SECAM_LC;
609 			return V4L2_STD_SECAM_L;
610 		case '-':
611 			break;
612 		default:
613 			IVTV_WARN("secam= argument not recognised\n");
614 			return 0;
615 	}
616 
617 	switch (ntsc[0]) {
618 		case 'm':
619 		case 'M':
620 			tunertype = 1;
621 			return V4L2_STD_NTSC_M;
622 		case 'j':
623 		case 'J':
624 			tunertype = 1;
625 			return V4L2_STD_NTSC_M_JP;
626 		case 'k':
627 		case 'K':
628 			tunertype = 1;
629 			return V4L2_STD_NTSC_M_KR;
630 		case '-':
631 			break;
632 		default:
633 			IVTV_WARN("ntsc= argument not recognised\n");
634 			return 0;
635 	}
636 
637 	/* no match found */
638 	return 0;
639 }
640 
641 static void ivtv_process_options(struct ivtv *itv)
642 {
643 	const char *chipname;
644 	int i, j;
645 
646 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
647 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
648 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
649 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
650 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
651 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
652 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
653 	itv->options.cardtype = cardtype[itv->instance];
654 	itv->options.tuner = tuner[itv->instance];
655 	itv->options.radio = radio[itv->instance];
656 
657 	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
658 	if (itv->options.i2c_clock_period == -1)
659 		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
660 	else if (itv->options.i2c_clock_period < 10)
661 		itv->options.i2c_clock_period = 10;
662 	else if (itv->options.i2c_clock_period > 4500)
663 		itv->options.i2c_clock_period = 4500;
664 
665 	itv->options.newi2c = newi2c;
666 	if (tunertype < -1 || tunertype > 1) {
667 		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
668 		tunertype = -1;
669 	}
670 	itv->std = ivtv_parse_std(itv);
671 	if (itv->std == 0 && tunertype >= 0)
672 		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
673 	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
674 	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
675 	if (itv->options.cardtype == -1) {
676 		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
677 		return;
678 	}
679 	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
680 		IVTV_INFO("User specified %s card (detected %s based chip)\n",
681 				itv->card->name, chipname);
682 	} else if (itv->options.cardtype != 0) {
683 		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
684 	}
685 	if (itv->card == NULL) {
686 		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
687 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
688 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
689 			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
690 			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
691 					chipname);
692 		}
693 	}
694 	if (itv->card == NULL) {
695 		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
696 			if (itv->card->pci_list == NULL)
697 				continue;
698 			for (j = 0; itv->card->pci_list[j].device; j++) {
699 				if (itv->pdev->device !=
700 				    itv->card->pci_list[j].device)
701 					continue;
702 				if (itv->pdev->subsystem_vendor !=
703 				    itv->card->pci_list[j].subsystem_vendor)
704 					continue;
705 				if (itv->pdev->subsystem_device !=
706 				    itv->card->pci_list[j].subsystem_device)
707 					continue;
708 				IVTV_INFO("Autodetected %s card (%s based)\n",
709 						itv->card->name, chipname);
710 				goto done;
711 			}
712 		}
713 	}
714 done:
715 
716 	if (itv->card == NULL) {
717 		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
718 		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
719 		     itv->pdev->vendor, itv->pdev->device);
720 		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",
721 		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
722 		IVTV_ERR("              %s based\n", chipname);
723 		IVTV_ERR("Defaulting to %s card\n", itv->card->name);
724 		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
725 		IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
726 		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
727 	}
728 	itv->v4l2_cap = itv->card->v4l2_capabilities;
729 	itv->card_name = itv->card->name;
730 	itv->card_i2c = itv->card->i2c;
731 }
732 
733 /* Precondition: the ivtv structure has been memset to 0. Only
734    the dev and num fields have been filled in.
735    No assumptions on the card type may be made here (see ivtv_init_struct2
736    for that).
737  */
738 static int ivtv_init_struct1(struct ivtv *itv)
739 {
740 	struct sched_param param = { .sched_priority = 99 };
741 
742 	itv->base_addr = pci_resource_start(itv->pdev, 0);
743 	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
744 	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
745 
746 	mutex_init(&itv->serialize_lock);
747 	mutex_init(&itv->i2c_bus_lock);
748 	mutex_init(&itv->udma.lock);
749 
750 	spin_lock_init(&itv->lock);
751 	spin_lock_init(&itv->dma_reg_lock);
752 
753 	kthread_init_worker(&itv->irq_worker);
754 	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
755 					   "%s", itv->v4l2_dev.name);
756 	if (IS_ERR(itv->irq_worker_task)) {
757 		IVTV_ERR("Could not create ivtv task\n");
758 		return -1;
759 	}
760 	/* must use the FIFO scheduler as it is realtime sensitive */
761 	sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
762 
763 	kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);
764 
765 	/* Initial settings */
766 	itv->cxhdl.port = CX2341X_PORT_MEMORY;
767 	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
768 	init_waitqueue_head(&itv->eos_waitq);
769 	init_waitqueue_head(&itv->event_waitq);
770 	init_waitqueue_head(&itv->vsync_waitq);
771 	init_waitqueue_head(&itv->dma_waitq);
772 	init_timer(&itv->dma_timer);
773 	itv->dma_timer.function = ivtv_unfinished_dma;
774 	itv->dma_timer.data = (unsigned long)itv;
775 
776 	itv->cur_dma_stream = -1;
777 	itv->cur_pio_stream = -1;
778 
779 	/* Ctrls */
780 	itv->speed = 1000;
781 
782 	/* VBI */
783 	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
784 	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
785 
786 	/* Init the sg table for osd/yuv output */
787 	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
788 
789 	/* OSD */
790 	itv->osd_global_alpha_state = 1;
791 	itv->osd_global_alpha = 255;
792 
793 	/* YUV */
794 	atomic_set(&itv->yuv_info.next_dma_frame, -1);
795 	itv->yuv_info.lace_mode = ivtv_yuv_mode;
796 	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
797 	itv->yuv_info.max_frames_buffered = 3;
798 	itv->yuv_info.track_osd = 1;
799 	return 0;
800 }
801 
802 /* Second initialization part. Here the card type has been
803    autodetected. */
804 static void ivtv_init_struct2(struct ivtv *itv)
805 {
806 	int i;
807 
808 	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
809 		if (itv->card->video_inputs[i].video_type == 0)
810 			break;
811 	itv->nof_inputs = i;
812 	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
813 		if (itv->card->audio_inputs[i].audio_type == 0)
814 			break;
815 	itv->nof_audio_inputs = i;
816 
817 	if (itv->card->hw_all & IVTV_HW_CX25840) {
818 		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
819 	} else {
820 		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
821 	}
822 
823 	/* Find tuner input */
824 	for (i = 0; i < itv->nof_inputs; i++) {
825 		if (itv->card->video_inputs[i].video_type ==
826 				IVTV_CARD_INPUT_VID_TUNER)
827 			break;
828 	}
829 	if (i >= itv->nof_inputs)
830 		i = 0;
831 	itv->active_input = i;
832 	itv->audio_input = itv->card->video_inputs[i].audio_index;
833 }
834 
835 static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
836 			  const struct pci_device_id *pci_id)
837 {
838 	u16 cmd;
839 	unsigned char pci_latency;
840 
841 	IVTV_DEBUG_INFO("Enabling pci device\n");
842 
843 	if (pci_enable_device(pdev)) {
844 		IVTV_ERR("Can't enable device!\n");
845 		return -EIO;
846 	}
847 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
848 		IVTV_ERR("No suitable DMA available.\n");
849 		return -EIO;
850 	}
851 	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
852 		IVTV_ERR("Cannot request encoder memory region.\n");
853 		return -EIO;
854 	}
855 
856 	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
857 				IVTV_REG_SIZE, "ivtv registers")) {
858 		IVTV_ERR("Cannot request register memory region.\n");
859 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
860 		return -EIO;
861 	}
862 
863 	if (itv->has_cx23415 &&
864 	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
865 				IVTV_DECODER_SIZE, "ivtv decoder")) {
866 		IVTV_ERR("Cannot request decoder memory region.\n");
867 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
868 		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
869 		return -EIO;
870 	}
871 
872 	/* Check for bus mastering */
873 	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
874 	if (!(cmd & PCI_COMMAND_MASTER)) {
875 		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
876 		pci_set_master(pdev);
877 		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
878 		if (!(cmd & PCI_COMMAND_MASTER)) {
879 			IVTV_ERR("Bus Mastering is not enabled\n");
880 			return -ENXIO;
881 		}
882 	}
883 	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
884 
885 	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
886 
887 	if (pci_latency < 64 && ivtv_pci_latency) {
888 		IVTV_INFO("Unreasonably low latency timer, "
889 			       "setting to 64 (was %d)\n", pci_latency);
890 		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
891 		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
892 	}
893 	/* This config space value relates to DMA latencies. The
894 	   default value 0x8080 is too low however and will lead
895 	   to DMA errors. 0xffff is the max value which solves
896 	   these problems. */
897 	pci_write_config_dword(pdev, 0x40, 0xffff);
898 
899 	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
900 		   "irq: %d, latency: %d, memory: 0x%llx\n",
901 		   pdev->device, pdev->revision, pdev->bus->number,
902 		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
903 		   pdev->irq, pci_latency, (u64)itv->base_addr);
904 
905 	return 0;
906 }
907 
908 static void ivtv_load_and_init_modules(struct ivtv *itv)
909 {
910 	u32 hw = itv->card->hw_all;
911 	unsigned i;
912 
913 	/* check which i2c devices are actually found */
914 	for (i = 0; i < 32; i++) {
915 		u32 device = 1 << i;
916 
917 		if (!(device & hw))
918 			continue;
919 		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
920 			/* GPIO and TVEEPROM do not use i2c probing */
921 			itv->hw_flags |= device;
922 			continue;
923 		}
924 		if (ivtv_i2c_register(itv, i) == 0)
925 			itv->hw_flags |= device;
926 	}
927 
928 	/* probe for legacy IR controllers that aren't in card definitions */
929 	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
930 		ivtv_i2c_new_ir_legacy(itv);
931 
932 	if (itv->card->hw_all & IVTV_HW_CX25840)
933 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
934 	else if (itv->card->hw_all & IVTV_HW_SAA717X)
935 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
936 	else if (itv->card->hw_all & IVTV_HW_SAA7114)
937 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
938 	else
939 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
940 	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
941 	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
942 
943 	hw = itv->hw_flags;
944 
945 	if (itv->card->type == IVTV_CARD_CX23416GYC) {
946 		/* Several variations of this card exist, detect which card
947 		   type should be used. */
948 		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
949 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
950 		else if ((hw & IVTV_HW_UPD64031A) == 0)
951 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
952 	}
953 	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
954 		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
955 		/* The crystal frequency of GVMVPRX is 24.576MHz */
956 		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
957 			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
958 	}
959 
960 	if (hw & IVTV_HW_CX25840) {
961 		itv->vbi.raw_decoder_line_size = 1444;
962 		itv->vbi.raw_decoder_sav_odd_field = 0x20;
963 		itv->vbi.raw_decoder_sav_even_field = 0x60;
964 		itv->vbi.sliced_decoder_line_size = 272;
965 		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
966 		itv->vbi.sliced_decoder_sav_even_field = 0xF0;
967 	}
968 
969 	if (hw & IVTV_HW_SAA711X) {
970 		/* determine the exact saa711x model */
971 		itv->hw_flags &= ~IVTV_HW_SAA711X;
972 
973 		if (strstr(itv->sd_video->name, "saa7114")) {
974 			itv->hw_flags |= IVTV_HW_SAA7114;
975 			/* VBI is not yet supported by the saa7114 driver. */
976 			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
977 		} else {
978 			itv->hw_flags |= IVTV_HW_SAA7115;
979 		}
980 		itv->vbi.raw_decoder_line_size = 1443;
981 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
982 		itv->vbi.raw_decoder_sav_even_field = 0x62;
983 		itv->vbi.sliced_decoder_line_size = 51;
984 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
985 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
986 	}
987 
988 	if (hw & IVTV_HW_SAA717X) {
989 		itv->vbi.raw_decoder_line_size = 1443;
990 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
991 		itv->vbi.raw_decoder_sav_even_field = 0x62;
992 		itv->vbi.sliced_decoder_line_size = 51;
993 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
994 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
995 	}
996 }
997 
998 static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
999 {
1000 	int retval = 0;
1001 	int vbi_buf_size;
1002 	struct ivtv *itv;
1003 
1004 	itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
1005 	if (itv == NULL)
1006 		return -ENOMEM;
1007 	itv->pdev = pdev;
1008 	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
1009 						&ivtv_instance);
1010 
1011 	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
1012 	if (retval) {
1013 		kfree(itv);
1014 		return retval;
1015 	}
1016 	IVTV_INFO("Initializing card %d\n", itv->instance);
1017 
1018 	ivtv_process_options(itv);
1019 	if (itv->options.cardtype == -1) {
1020 		retval = -ENODEV;
1021 		goto err;
1022 	}
1023 	if (ivtv_init_struct1(itv)) {
1024 		retval = -ENOMEM;
1025 		goto err;
1026 	}
1027 	retval = cx2341x_handler_init(&itv->cxhdl, 50);
1028 	if (retval)
1029 		goto err;
1030 	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1031 	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1032 	itv->cxhdl.priv = itv;
1033 	itv->cxhdl.func = ivtv_api_func;
1034 
1035 	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
1036 
1037 	/* PCI Device Setup */
1038 	retval = ivtv_setup_pci(itv, pdev, pci_id);
1039 	if (retval == -EIO)
1040 		goto free_worker;
1041 	if (retval == -ENXIO)
1042 		goto free_mem;
1043 
1044 	/* map io memory */
1045 	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1046 		   (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1047 	itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1048 				       IVTV_ENCODER_SIZE);
1049 	if (!itv->enc_mem) {
1050 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1051 			 "encoder memory\n");
1052 		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
1053 			 "vmalloc address space for this window\n");
1054 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1055 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1056 			 "VmallocTotal to a larger value\n");
1057 		retval = -ENOMEM;
1058 		goto free_mem;
1059 	}
1060 
1061 	if (itv->has_cx23415) {
1062 		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1063 				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1064 		itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1065 				IVTV_DECODER_SIZE);
1066 		if (!itv->dec_mem) {
1067 			IVTV_ERR("ioremap failed. Can't get a window into "
1068 				 "CX23415 decoder memory\n");
1069 			IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
1070 				 "of vmalloc address space for this window\n");
1071 			IVTV_ERR("Check the output of 'grep Vmalloc "
1072 				 "/proc/meminfo'\n");
1073 			IVTV_ERR("Use the vmalloc= kernel command line option "
1074 				 "to set VmallocTotal to a larger value\n");
1075 			retval = -ENOMEM;
1076 			goto free_mem;
1077 		}
1078 	}
1079 	else {
1080 		itv->dec_mem = itv->enc_mem;
1081 	}
1082 
1083 	/* map registers memory */
1084 	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1085 		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1086 	itv->reg_mem =
1087 	    ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1088 	if (!itv->reg_mem) {
1089 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1090 			 "register space\n");
1091 		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
1092 			 "vmalloc address space for this window\n");
1093 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1094 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1095 			 "VmallocTotal to a larger value\n");
1096 		retval = -ENOMEM;
1097 		goto free_io;
1098 	}
1099 
1100 	retval = ivtv_gpio_init(itv);
1101 	if (retval)
1102 		goto free_io;
1103 
1104 	/* active i2c  */
1105 	IVTV_DEBUG_INFO("activating i2c...\n");
1106 	if (init_ivtv_i2c(itv)) {
1107 		IVTV_ERR("Could not initialize i2c\n");
1108 		goto free_io;
1109 	}
1110 
1111 	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1112 		/* Based on the model number the cardtype may be changed.
1113 		   The PCI IDs are not always reliable. */
1114 		ivtv_process_eeprom(itv);
1115 	}
1116 	if (itv->card->comment)
1117 		IVTV_INFO("%s", itv->card->comment);
1118 	if (itv->card->v4l2_capabilities == 0) {
1119 		/* card was detected but is not supported */
1120 		retval = -ENODEV;
1121 		goto free_i2c;
1122 	}
1123 
1124 	if (itv->std == 0) {
1125 		itv->std = V4L2_STD_NTSC_M;
1126 	}
1127 
1128 	if (itv->options.tuner == -1) {
1129 		int i;
1130 
1131 		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1132 			if ((itv->std & itv->card->tuners[i].std) == 0)
1133 				continue;
1134 			itv->options.tuner = itv->card->tuners[i].tuner;
1135 			break;
1136 		}
1137 	}
1138 	/* if no tuner was found, then pick the first tuner in the card list */
1139 	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1140 		itv->std = itv->card->tuners[0].std;
1141 		if (itv->std & V4L2_STD_PAL)
1142 			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1143 		else if (itv->std & V4L2_STD_NTSC)
1144 			itv->std = V4L2_STD_NTSC_M;
1145 		else if (itv->std & V4L2_STD_SECAM)
1146 			itv->std = V4L2_STD_SECAM_L;
1147 		itv->options.tuner = itv->card->tuners[0].tuner;
1148 	}
1149 	if (itv->options.radio == -1)
1150 		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1151 
1152 	/* The card is now fully identified, continue with card-specific
1153 	   initialization. */
1154 	ivtv_init_struct2(itv);
1155 
1156 	ivtv_load_and_init_modules(itv);
1157 
1158 	if (itv->std & V4L2_STD_525_60) {
1159 		itv->is_60hz = 1;
1160 		itv->is_out_60hz = 1;
1161 	} else {
1162 		itv->is_50hz = 1;
1163 		itv->is_out_50hz = 1;
1164 	}
1165 
1166 	itv->yuv_info.osd_full_w = 720;
1167 	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1168 	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1169 	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1170 
1171 	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1172 
1173 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1174 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1175 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1176 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1177 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1178 
1179 	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1180 	   It is possible to switch between PAL and NTSC, so we need to
1181 	   take the largest size here. */
1182 	/* 1456 is multiple of 16, real size = 1444 */
1183 	itv->vbi.raw_size = 1456;
1184 	/* We use a buffer size of 1/2 of the total size needed for a
1185 	   frame. This is actually very useful, since we now receive
1186 	   a field at a time and that makes 'compressing' the raw data
1187 	   down to size by stripping off the SAV codes a lot easier.
1188 	   Note: having two different buffer sizes prevents standard
1189 	   switching on the fly. We need to find a better solution... */
1190 	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1191 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1192 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1193 
1194 	if (itv->options.radio > 0)
1195 		itv->v4l2_cap |= V4L2_CAP_RADIO;
1196 
1197 	if (itv->options.tuner > -1) {
1198 		struct tuner_setup setup;
1199 
1200 		setup.addr = ADDR_UNSET;
1201 		setup.type = itv->options.tuner;
1202 		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1203 		if (itv->options.radio > 0)
1204 			setup.mode_mask |= T_RADIO;
1205 		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1206 			ivtv_reset_tuner_gpio : NULL;
1207 		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1208 		if (setup.type == TUNER_XC2028) {
1209 			static struct xc2028_ctrl ctrl = {
1210 				.fname = XC2028_DEFAULT_FIRMWARE,
1211 				.max_len = 64,
1212 			};
1213 			struct v4l2_priv_tun_config cfg = {
1214 				.tuner = itv->options.tuner,
1215 				.priv = &ctrl,
1216 			};
1217 			ivtv_call_all(itv, tuner, s_config, &cfg);
1218 		}
1219 	}
1220 
1221 	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1222 	   are not. */
1223 	itv->tuner_std = itv->std;
1224 
1225 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1226 		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1227 
1228 		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1229 				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
1230 		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1231 				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
1232 		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1233 		   mask that menu item. */
1234 		itv->ctrl_audio_playback =
1235 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1236 				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1237 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1238 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1239 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1240 		itv->ctrl_audio_multilingual_playback =
1241 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1242 				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1243 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1244 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1245 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1246 		if (hdl->error) {
1247 			retval = hdl->error;
1248 			goto free_i2c;
1249 		}
1250 		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1251 		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1252 		ivtv_call_all(itv, video, s_std_output, itv->std);
1253 		/* Turn off the output signal. The mpeg decoder is not yet
1254 		   active so without this you would get a green image until the
1255 		   mpeg decoder becomes active. */
1256 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1257 	}
1258 
1259 	/* clear interrupt mask, effectively disabling interrupts */
1260 	ivtv_set_irq_mask(itv, 0xffffffff);
1261 
1262 	/* Register IRQ */
1263 	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1264 	     IRQF_SHARED, itv->v4l2_dev.name, (void *)itv);
1265 	if (retval) {
1266 		IVTV_ERR("Failed to register irq %d\n", retval);
1267 		goto free_i2c;
1268 	}
1269 
1270 	retval = ivtv_streams_setup(itv);
1271 	if (retval) {
1272 		IVTV_ERR("Error %d setting up streams\n", retval);
1273 		goto free_irq;
1274 	}
1275 	retval = ivtv_streams_register(itv);
1276 	if (retval) {
1277 		IVTV_ERR("Error %d registering devices\n", retval);
1278 		goto free_streams;
1279 	}
1280 	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1281 
1282 	/* Load ivtv submodules (ivtv-alsa) */
1283 	request_modules(itv);
1284 	return 0;
1285 
1286 free_streams:
1287 	ivtv_streams_cleanup(itv);
1288 free_irq:
1289 	free_irq(itv->pdev->irq, (void *)itv);
1290 free_i2c:
1291 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1292 	exit_ivtv_i2c(itv);
1293 free_io:
1294 	ivtv_iounmap(itv);
1295 free_mem:
1296 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1297 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1298 	if (itv->has_cx23415)
1299 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1300 free_worker:
1301 	kthread_stop(itv->irq_worker_task);
1302 err:
1303 	if (retval == 0)
1304 		retval = -ENODEV;
1305 	IVTV_ERR("Error %d on initialization\n", retval);
1306 
1307 	v4l2_device_unregister(&itv->v4l2_dev);
1308 	kfree(itv);
1309 	return retval;
1310 }
1311 
1312 int ivtv_init_on_first_open(struct ivtv *itv)
1313 {
1314 	struct v4l2_frequency vf;
1315 	/* Needed to call ioctls later */
1316 	struct ivtv_open_id fh;
1317 	int fw_retry_count = 3;
1318 	int video_input;
1319 
1320 	fh.itv = itv;
1321 	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1322 
1323 	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1324 		return -ENXIO;
1325 
1326 	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1327 		return 0;
1328 
1329 	while (--fw_retry_count > 0) {
1330 		/* load firmware */
1331 		if (ivtv_firmware_init(itv) == 0)
1332 			break;
1333 		if (fw_retry_count > 1)
1334 			IVTV_WARN("Retry loading firmware\n");
1335 	}
1336 
1337 	if (fw_retry_count == 0) {
1338 		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1339 		return -ENXIO;
1340 	}
1341 
1342 	/* Try and get firmware versions */
1343 	IVTV_DEBUG_INFO("Getting firmware version..\n");
1344 	ivtv_firmware_versions(itv);
1345 
1346 	if (itv->card->hw_all & IVTV_HW_CX25840)
1347 		v4l2_subdev_call(itv->sd_video, core, load_fw);
1348 
1349 	vf.tuner = 0;
1350 	vf.type = V4L2_TUNER_ANALOG_TV;
1351 	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1352 
1353 	/* Set initial frequency. For PAL/SECAM broadcasts no
1354 	   'default' channel exists AFAIK. */
1355 	if (itv->std == V4L2_STD_NTSC_M_JP) {
1356 		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1357 	}
1358 	else if (itv->std & V4L2_STD_NTSC_M) {
1359 		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1360 	}
1361 
1362 	video_input = itv->active_input;
1363 	itv->active_input++;	/* Force update of input */
1364 	ivtv_s_input(NULL, &fh, video_input);
1365 
1366 	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1367 	   in one place. */
1368 	itv->std++;		/* Force full standard initialization */
1369 	itv->std_out = itv->std;
1370 	ivtv_s_frequency(NULL, &fh, &vf);
1371 
1372 	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1373 		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1374 		   the mpeg decoder so now the saa7127 receives a proper
1375 		   signal. */
1376 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1377 		ivtv_init_mpeg_decoder(itv);
1378 	}
1379 
1380 	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1381 	if (!itv->has_cx23415)
1382 		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1383 
1384 	ivtv_s_std_enc(itv, itv->tuner_std);
1385 
1386 	/* Default interrupts enabled. For the PVR350 this includes the
1387 	   decoder VSYNC interrupt, which is always on. It is not only used
1388 	   during decoding but also by the OSD.
1389 	   Some old PVR250 cards had a cx23415, so testing for that is too
1390 	   general. Instead test if the card has video output capability. */
1391 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1392 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1393 		ivtv_set_osd_alpha(itv);
1394 		ivtv_s_std_dec(itv, itv->tuner_std);
1395 	} else {
1396 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1397 	}
1398 
1399 	/* Setup initial controls */
1400 	cx2341x_handler_setup(&itv->cxhdl);
1401 	return 0;
1402 }
1403 
1404 static void ivtv_remove(struct pci_dev *pdev)
1405 {
1406 	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1407 	struct ivtv *itv = to_ivtv(v4l2_dev);
1408 	int i;
1409 
1410 	IVTV_DEBUG_INFO("Removing card\n");
1411 
1412 	flush_request_modules(itv);
1413 
1414 	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1415 		/* Stop all captures */
1416 		IVTV_DEBUG_INFO("Stopping all streams\n");
1417 		if (atomic_read(&itv->capturing) > 0)
1418 			ivtv_stop_all_captures(itv);
1419 
1420 		/* Stop all decoding */
1421 		IVTV_DEBUG_INFO("Stopping decoding\n");
1422 
1423 		/* Turn off the TV-out */
1424 		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1425 			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1426 		if (atomic_read(&itv->decoding) > 0) {
1427 			int type;
1428 
1429 			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1430 				type = IVTV_DEC_STREAM_TYPE_YUV;
1431 			else
1432 				type = IVTV_DEC_STREAM_TYPE_MPG;
1433 			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1434 				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1435 		}
1436 		ivtv_halt_firmware(itv);
1437 	}
1438 
1439 	/* Interrupts */
1440 	ivtv_set_irq_mask(itv, 0xffffffff);
1441 	del_timer_sync(&itv->dma_timer);
1442 
1443 	/* Kill irq worker */
1444 	kthread_flush_worker(&itv->irq_worker);
1445 	kthread_stop(itv->irq_worker_task);
1446 
1447 	ivtv_streams_cleanup(itv);
1448 	ivtv_udma_free(itv);
1449 
1450 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1451 
1452 	exit_ivtv_i2c(itv);
1453 
1454 	free_irq(itv->pdev->irq, (void *)itv);
1455 	ivtv_iounmap(itv);
1456 
1457 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1458 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1459 	if (itv->has_cx23415)
1460 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1461 
1462 	pci_disable_device(itv->pdev);
1463 	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1464 		kfree(itv->vbi.sliced_mpeg_data[i]);
1465 
1466 	printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
1467 
1468 	v4l2_device_unregister(&itv->v4l2_dev);
1469 	kfree(itv);
1470 }
1471 
1472 /* define a pci_driver for card detection */
1473 static struct pci_driver ivtv_pci_driver = {
1474       .name =     "ivtv",
1475       .id_table = ivtv_pci_tbl,
1476       .probe =    ivtv_probe,
1477       .remove =   ivtv_remove,
1478 };
1479 
1480 static int __init module_start(void)
1481 {
1482 	printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1483 
1484 	/* Validate parameters */
1485 	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1486 		printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1487 		     IVTV_MAX_CARDS - 1);
1488 		return -1;
1489 	}
1490 
1491 	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1492 		ivtv_debug = 0;
1493 		printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
1494 	}
1495 
1496 	if (pci_register_driver(&ivtv_pci_driver)) {
1497 		printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1498 		return -ENODEV;
1499 	}
1500 	printk(KERN_INFO "ivtv: End initialization\n");
1501 	return 0;
1502 }
1503 
1504 static void __exit module_cleanup(void)
1505 {
1506 	pci_unregister_driver(&ivtv_pci_driver);
1507 }
1508 
1509 /* Note: These symbols are exported because they are used by the ivtvfb
1510    framebuffer module and an infrared module for the IR-blaster. */
1511 EXPORT_SYMBOL(ivtv_set_irq_mask);
1512 EXPORT_SYMBOL(ivtv_api);
1513 EXPORT_SYMBOL(ivtv_vapi);
1514 EXPORT_SYMBOL(ivtv_vapi_result);
1515 EXPORT_SYMBOL(ivtv_clear_irq_mask);
1516 EXPORT_SYMBOL(ivtv_debug);
1517 #ifdef CONFIG_VIDEO_ADV_DEBUG
1518 EXPORT_SYMBOL(ivtv_fw_debug);
1519 #endif
1520 EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1521 EXPORT_SYMBOL(ivtv_udma_setup);
1522 EXPORT_SYMBOL(ivtv_udma_unmap);
1523 EXPORT_SYMBOL(ivtv_udma_alloc);
1524 EXPORT_SYMBOL(ivtv_udma_prepare);
1525 EXPORT_SYMBOL(ivtv_init_on_first_open);
1526 EXPORT_SYMBOL(ivtv_firmware_check);
1527 
1528 module_init(module_start);
1529 module_exit(module_cleanup);
1530