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  *
27  * -----
28  * MPG600/MPG160 support by  T.Adachi <tadachi@tadachi-net.com>
29  *                      and Takeru KOMORIYA<komoriya@paken.org>
30  *
31  * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
32  *                using information provided by Jiun-Kuei Jung @ AVerMedia.
33  *
34  * Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
35  *                using information from T.Adachi,Takeru KOMORIYA and others :-)
36  *
37  * Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
38  *                version by T.Adachi. Special thanks  Mr.Suzuki
39  */
40 
41 #include "ivtv-driver.h"
42 #include "ivtv-version.h"
43 #include "ivtv-fileops.h"
44 #include "ivtv-i2c.h"
45 #include "ivtv-firmware.h"
46 #include "ivtv-queue.h"
47 #include "ivtv-udma.h"
48 #include "ivtv-irq.h"
49 #include "ivtv-mailbox.h"
50 #include "ivtv-streams.h"
51 #include "ivtv-ioctl.h"
52 #include "ivtv-cards.h"
53 #include "ivtv-vbi.h"
54 #include "ivtv-routing.h"
55 #include "ivtv-controls.h"
56 #include "ivtv-gpio.h"
57 #include <linux/dma-mapping.h>
58 #include <media/tveeprom.h>
59 #include <media/i2c/saa7115.h>
60 #include "tuner-xc2028.h"
61 #include <uapi/linux/sched/types.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 const 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(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 linux-media mailinglist (www.linuxtv.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 	itv->base_addr = pci_resource_start(itv->pdev, 0);
741 	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
742 	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
743 
744 	mutex_init(&itv->serialize_lock);
745 	mutex_init(&itv->i2c_bus_lock);
746 	mutex_init(&itv->udma.lock);
747 
748 	spin_lock_init(&itv->lock);
749 	spin_lock_init(&itv->dma_reg_lock);
750 
751 	kthread_init_worker(&itv->irq_worker);
752 	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
753 					   "%s", itv->v4l2_dev.name);
754 	if (IS_ERR(itv->irq_worker_task)) {
755 		IVTV_ERR("Could not create ivtv task\n");
756 		return -1;
757 	}
758 	/* must use the FIFO scheduler as it is realtime sensitive */
759 	sched_set_fifo(itv->irq_worker_task);
760 
761 	kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);
762 
763 	/* Initial settings */
764 	itv->cxhdl.port = CX2341X_PORT_MEMORY;
765 	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
766 	init_waitqueue_head(&itv->eos_waitq);
767 	init_waitqueue_head(&itv->event_waitq);
768 	init_waitqueue_head(&itv->vsync_waitq);
769 	init_waitqueue_head(&itv->dma_waitq);
770 	timer_setup(&itv->dma_timer, ivtv_unfinished_dma, 0);
771 
772 	itv->cur_dma_stream = -1;
773 	itv->cur_pio_stream = -1;
774 
775 	/* Ctrls */
776 	itv->speed = 1000;
777 
778 	/* VBI */
779 	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
780 	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
781 
782 	/* Init the sg table for osd/yuv output */
783 	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
784 
785 	/* OSD */
786 	itv->osd_global_alpha_state = 1;
787 	itv->osd_global_alpha = 255;
788 
789 	/* YUV */
790 	atomic_set(&itv->yuv_info.next_dma_frame, -1);
791 	itv->yuv_info.lace_mode = ivtv_yuv_mode;
792 	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
793 	itv->yuv_info.max_frames_buffered = 3;
794 	itv->yuv_info.track_osd = 1;
795 	return 0;
796 }
797 
798 /* Second initialization part. Here the card type has been
799    autodetected. */
800 static void ivtv_init_struct2(struct ivtv *itv)
801 {
802 	int i;
803 
804 	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
805 		if (itv->card->video_inputs[i].video_type == 0)
806 			break;
807 	itv->nof_inputs = i;
808 	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
809 		if (itv->card->audio_inputs[i].audio_type == 0)
810 			break;
811 	itv->nof_audio_inputs = i;
812 
813 	if (itv->card->hw_all & IVTV_HW_CX25840) {
814 		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
815 	} else {
816 		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
817 	}
818 
819 	/* Find tuner input */
820 	for (i = 0; i < itv->nof_inputs; i++) {
821 		if (itv->card->video_inputs[i].video_type ==
822 				IVTV_CARD_INPUT_VID_TUNER)
823 			break;
824 	}
825 	if (i >= itv->nof_inputs)
826 		i = 0;
827 	itv->active_input = i;
828 	itv->audio_input = itv->card->video_inputs[i].audio_index;
829 }
830 
831 static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
832 			  const struct pci_device_id *pci_id)
833 {
834 	u16 cmd;
835 	unsigned char pci_latency;
836 
837 	IVTV_DEBUG_INFO("Enabling pci device\n");
838 
839 	if (pci_enable_device(pdev)) {
840 		IVTV_ERR("Can't enable device!\n");
841 		return -EIO;
842 	}
843 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
844 		IVTV_ERR("No suitable DMA available.\n");
845 		return -EIO;
846 	}
847 	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
848 		IVTV_ERR("Cannot request encoder memory region.\n");
849 		return -EIO;
850 	}
851 
852 	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
853 				IVTV_REG_SIZE, "ivtv registers")) {
854 		IVTV_ERR("Cannot request register memory region.\n");
855 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
856 		return -EIO;
857 	}
858 
859 	if (itv->has_cx23415 &&
860 	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
861 				IVTV_DECODER_SIZE, "ivtv decoder")) {
862 		IVTV_ERR("Cannot request decoder memory region.\n");
863 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
864 		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
865 		return -EIO;
866 	}
867 
868 	/* Check for bus mastering */
869 	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
870 	if (!(cmd & PCI_COMMAND_MASTER)) {
871 		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
872 		pci_set_master(pdev);
873 		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
874 		if (!(cmd & PCI_COMMAND_MASTER)) {
875 			IVTV_ERR("Bus Mastering is not enabled\n");
876 			if (itv->has_cx23415)
877 				release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
878 						   IVTV_DECODER_SIZE);
879 			release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
880 			release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
881 			return -ENXIO;
882 		}
883 	}
884 	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
885 
886 	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
887 
888 	if (pci_latency < 64 && ivtv_pci_latency) {
889 		IVTV_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
890 			  pci_latency);
891 		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
892 		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
893 	}
894 	/* This config space value relates to DMA latencies. The
895 	   default value 0x8080 is too low however and will lead
896 	   to DMA errors. 0xffff is the max value which solves
897 	   these problems. */
898 	pci_write_config_dword(pdev, 0x40, 0xffff);
899 
900 	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, 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 = BIT(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_KERNEL);
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(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 encoder memory\n");
1051 		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");
1052 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1053 		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1054 		retval = -ENOMEM;
1055 		goto free_mem;
1056 	}
1057 
1058 	if (itv->has_cx23415) {
1059 		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1060 				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1061 		itv->dec_mem = ioremap(itv->base_addr + IVTV_DECODER_OFFSET,
1062 				IVTV_DECODER_SIZE);
1063 		if (!itv->dec_mem) {
1064 			IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");
1065 			IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");
1066 			IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1067 			IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1068 			retval = -ENOMEM;
1069 			goto free_mem;
1070 		}
1071 	}
1072 	else {
1073 		itv->dec_mem = itv->enc_mem;
1074 	}
1075 
1076 	/* map registers memory */
1077 	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1078 		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1079 	itv->reg_mem =
1080 	    ioremap(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1081 	if (!itv->reg_mem) {
1082 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");
1083 		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");
1084 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1085 		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1086 		retval = -ENOMEM;
1087 		goto free_io;
1088 	}
1089 
1090 	retval = ivtv_gpio_init(itv);
1091 	if (retval)
1092 		goto free_io;
1093 
1094 	/* active i2c  */
1095 	IVTV_DEBUG_INFO("activating i2c...\n");
1096 	if (init_ivtv_i2c(itv)) {
1097 		IVTV_ERR("Could not initialize i2c\n");
1098 		goto free_io;
1099 	}
1100 
1101 	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1102 		/* Based on the model number the cardtype may be changed.
1103 		   The PCI IDs are not always reliable. */
1104 		ivtv_process_eeprom(itv);
1105 	}
1106 	if (itv->card->comment)
1107 		IVTV_INFO("%s", itv->card->comment);
1108 	if (itv->card->v4l2_capabilities == 0) {
1109 		/* card was detected but is not supported */
1110 		retval = -ENODEV;
1111 		goto free_i2c;
1112 	}
1113 
1114 	if (itv->std == 0) {
1115 		itv->std = V4L2_STD_NTSC_M;
1116 	}
1117 
1118 	if (itv->options.tuner == -1) {
1119 		int i;
1120 
1121 		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1122 			if ((itv->std & itv->card->tuners[i].std) == 0)
1123 				continue;
1124 			itv->options.tuner = itv->card->tuners[i].tuner;
1125 			break;
1126 		}
1127 	}
1128 	/* if no tuner was found, then pick the first tuner in the card list */
1129 	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1130 		itv->std = itv->card->tuners[0].std;
1131 		if (itv->std & V4L2_STD_PAL)
1132 			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1133 		else if (itv->std & V4L2_STD_NTSC)
1134 			itv->std = V4L2_STD_NTSC_M;
1135 		else if (itv->std & V4L2_STD_SECAM)
1136 			itv->std = V4L2_STD_SECAM_L;
1137 		itv->options.tuner = itv->card->tuners[0].tuner;
1138 	}
1139 	if (itv->options.radio == -1)
1140 		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1141 
1142 	/* The card is now fully identified, continue with card-specific
1143 	   initialization. */
1144 	ivtv_init_struct2(itv);
1145 
1146 	ivtv_load_and_init_modules(itv);
1147 
1148 	if (itv->std & V4L2_STD_525_60) {
1149 		itv->is_60hz = 1;
1150 		itv->is_out_60hz = 1;
1151 	} else {
1152 		itv->is_50hz = 1;
1153 		itv->is_out_50hz = 1;
1154 	}
1155 
1156 	itv->yuv_info.osd_full_w = 720;
1157 	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1158 	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1159 	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1160 
1161 	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1162 
1163 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1164 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1165 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1166 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1167 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1168 
1169 	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1170 	   It is possible to switch between PAL and NTSC, so we need to
1171 	   take the largest size here. */
1172 	/* 1456 is multiple of 16, real size = 1444 */
1173 	itv->vbi.raw_size = 1456;
1174 	/* We use a buffer size of 1/2 of the total size needed for a
1175 	   frame. This is actually very useful, since we now receive
1176 	   a field at a time and that makes 'compressing' the raw data
1177 	   down to size by stripping off the SAV codes a lot easier.
1178 	   Note: having two different buffer sizes prevents standard
1179 	   switching on the fly. We need to find a better solution... */
1180 	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1181 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1182 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1183 
1184 	if (itv->options.radio > 0)
1185 		itv->v4l2_cap |= V4L2_CAP_RADIO;
1186 
1187 	if (itv->options.tuner > -1) {
1188 		struct tuner_setup setup;
1189 
1190 		setup.addr = ADDR_UNSET;
1191 		setup.type = itv->options.tuner;
1192 		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1193 		if (itv->options.radio > 0)
1194 			setup.mode_mask |= T_RADIO;
1195 		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1196 			ivtv_reset_tuner_gpio : NULL;
1197 		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1198 		if (setup.type == TUNER_XC2028) {
1199 			static struct xc2028_ctrl ctrl = {
1200 				.fname = XC2028_DEFAULT_FIRMWARE,
1201 				.max_len = 64,
1202 			};
1203 			struct v4l2_priv_tun_config cfg = {
1204 				.tuner = itv->options.tuner,
1205 				.priv = &ctrl,
1206 			};
1207 			ivtv_call_all(itv, tuner, s_config, &cfg);
1208 		}
1209 	}
1210 
1211 	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1212 	   are not. */
1213 	itv->tuner_std = itv->std;
1214 
1215 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1216 		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1217 
1218 		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1219 				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
1220 		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1221 				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
1222 		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1223 		   mask that menu item. */
1224 		itv->ctrl_audio_playback =
1225 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1226 				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1227 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1228 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1229 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1230 		itv->ctrl_audio_multilingual_playback =
1231 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1232 				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1233 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1234 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1235 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1236 		if (hdl->error) {
1237 			retval = hdl->error;
1238 			goto free_i2c;
1239 		}
1240 		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1241 		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1242 		ivtv_call_all(itv, video, s_std_output, itv->std);
1243 		/* Turn off the output signal. The mpeg decoder is not yet
1244 		   active so without this you would get a green image until the
1245 		   mpeg decoder becomes active. */
1246 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1247 	}
1248 
1249 	/* clear interrupt mask, effectively disabling interrupts */
1250 	ivtv_set_irq_mask(itv, 0xffffffff);
1251 
1252 	/* Register IRQ */
1253 	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1254 	     IRQF_SHARED, itv->v4l2_dev.name, (void *)itv);
1255 	if (retval) {
1256 		IVTV_ERR("Failed to register irq %d\n", retval);
1257 		goto free_i2c;
1258 	}
1259 
1260 	retval = ivtv_streams_setup(itv);
1261 	if (retval) {
1262 		IVTV_ERR("Error %d setting up streams\n", retval);
1263 		goto free_irq;
1264 	}
1265 	retval = ivtv_streams_register(itv);
1266 	if (retval) {
1267 		IVTV_ERR("Error %d registering devices\n", retval);
1268 		goto free_streams;
1269 	}
1270 	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1271 
1272 	/* Load ivtv submodules (ivtv-alsa) */
1273 	request_modules(itv);
1274 	return 0;
1275 
1276 free_streams:
1277 	ivtv_streams_cleanup(itv);
1278 free_irq:
1279 	free_irq(itv->pdev->irq, (void *)itv);
1280 free_i2c:
1281 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1282 	exit_ivtv_i2c(itv);
1283 free_io:
1284 	ivtv_iounmap(itv);
1285 free_mem:
1286 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1287 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1288 	if (itv->has_cx23415)
1289 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1290 free_worker:
1291 	kthread_stop(itv->irq_worker_task);
1292 err:
1293 	if (retval == 0)
1294 		retval = -ENODEV;
1295 	IVTV_ERR("Error %d on initialization\n", retval);
1296 
1297 	v4l2_device_unregister(&itv->v4l2_dev);
1298 	kfree(itv);
1299 	return retval;
1300 }
1301 
1302 int ivtv_init_on_first_open(struct ivtv *itv)
1303 {
1304 	struct v4l2_frequency vf;
1305 	/* Needed to call ioctls later */
1306 	struct ivtv_open_id fh;
1307 	int fw_retry_count = 3;
1308 	int video_input;
1309 
1310 	fh.itv = itv;
1311 	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1312 
1313 	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1314 		return -ENXIO;
1315 
1316 	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1317 		return 0;
1318 
1319 	while (--fw_retry_count > 0) {
1320 		/* load firmware */
1321 		if (ivtv_firmware_init(itv) == 0)
1322 			break;
1323 		if (fw_retry_count > 1)
1324 			IVTV_WARN("Retry loading firmware\n");
1325 	}
1326 
1327 	if (fw_retry_count == 0) {
1328 		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1329 		return -ENXIO;
1330 	}
1331 
1332 	/* Try and get firmware versions */
1333 	IVTV_DEBUG_INFO("Getting firmware version..\n");
1334 	ivtv_firmware_versions(itv);
1335 
1336 	if (itv->card->hw_all & IVTV_HW_CX25840)
1337 		v4l2_subdev_call(itv->sd_video, core, load_fw);
1338 
1339 	vf.tuner = 0;
1340 	vf.type = V4L2_TUNER_ANALOG_TV;
1341 	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1342 
1343 	/* Set initial frequency. For PAL/SECAM broadcasts no
1344 	   'default' channel exists AFAIK. */
1345 	if (itv->std == V4L2_STD_NTSC_M_JP) {
1346 		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1347 	}
1348 	else if (itv->std & V4L2_STD_NTSC_M) {
1349 		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1350 	}
1351 
1352 	video_input = itv->active_input;
1353 	itv->active_input++;	/* Force update of input */
1354 	ivtv_s_input(NULL, &fh, video_input);
1355 
1356 	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1357 	   in one place. */
1358 	itv->std++;		/* Force full standard initialization */
1359 	itv->std_out = itv->std;
1360 	ivtv_s_frequency(NULL, &fh, &vf);
1361 
1362 	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1363 		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1364 		   the mpeg decoder so now the saa7127 receives a proper
1365 		   signal. */
1366 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1367 		ivtv_init_mpeg_decoder(itv);
1368 	}
1369 
1370 	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1371 	if (!itv->has_cx23415)
1372 		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1373 
1374 	ivtv_s_std_enc(itv, itv->tuner_std);
1375 
1376 	/* Default interrupts enabled. For the PVR350 this includes the
1377 	   decoder VSYNC interrupt, which is always on. It is not only used
1378 	   during decoding but also by the OSD.
1379 	   Some old PVR250 cards had a cx23415, so testing for that is too
1380 	   general. Instead test if the card has video output capability. */
1381 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1382 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1383 		ivtv_set_osd_alpha(itv);
1384 		ivtv_s_std_dec(itv, itv->tuner_std);
1385 	} else {
1386 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1387 	}
1388 
1389 	/* Setup initial controls */
1390 	cx2341x_handler_setup(&itv->cxhdl);
1391 	return 0;
1392 }
1393 
1394 static void ivtv_remove(struct pci_dev *pdev)
1395 {
1396 	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1397 	struct ivtv *itv = to_ivtv(v4l2_dev);
1398 	int i;
1399 
1400 	IVTV_DEBUG_INFO("Removing card\n");
1401 
1402 	flush_request_modules(itv);
1403 
1404 	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1405 		/* Stop all captures */
1406 		IVTV_DEBUG_INFO("Stopping all streams\n");
1407 		if (atomic_read(&itv->capturing) > 0)
1408 			ivtv_stop_all_captures(itv);
1409 
1410 		/* Stop all decoding */
1411 		IVTV_DEBUG_INFO("Stopping decoding\n");
1412 
1413 		/* Turn off the TV-out */
1414 		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1415 			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1416 		if (atomic_read(&itv->decoding) > 0) {
1417 			int type;
1418 
1419 			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1420 				type = IVTV_DEC_STREAM_TYPE_YUV;
1421 			else
1422 				type = IVTV_DEC_STREAM_TYPE_MPG;
1423 			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1424 				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1425 		}
1426 		ivtv_halt_firmware(itv);
1427 	}
1428 
1429 	/* Interrupts */
1430 	ivtv_set_irq_mask(itv, 0xffffffff);
1431 	del_timer_sync(&itv->dma_timer);
1432 
1433 	/* Kill irq worker */
1434 	kthread_flush_worker(&itv->irq_worker);
1435 	kthread_stop(itv->irq_worker_task);
1436 
1437 	ivtv_streams_cleanup(itv);
1438 	ivtv_udma_free(itv);
1439 
1440 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1441 
1442 	exit_ivtv_i2c(itv);
1443 
1444 	free_irq(itv->pdev->irq, (void *)itv);
1445 	ivtv_iounmap(itv);
1446 
1447 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1448 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1449 	if (itv->has_cx23415)
1450 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1451 
1452 	pci_disable_device(itv->pdev);
1453 	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1454 		kfree(itv->vbi.sliced_mpeg_data[i]);
1455 
1456 	pr_info("Removed %s\n", itv->card_name);
1457 
1458 	v4l2_device_unregister(&itv->v4l2_dev);
1459 	kfree(itv);
1460 }
1461 
1462 /* define a pci_driver for card detection */
1463 static struct pci_driver ivtv_pci_driver = {
1464       .name =     "ivtv",
1465       .id_table = ivtv_pci_tbl,
1466       .probe =    ivtv_probe,
1467       .remove =   ivtv_remove,
1468 };
1469 
1470 static int __init module_start(void)
1471 {
1472 	pr_info("Start initialization, version %s\n", IVTV_VERSION);
1473 
1474 	/* Validate parameters */
1475 	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1476 		pr_err("Exiting, ivtv_first_minor must be between 0 and %d\n",
1477 		     IVTV_MAX_CARDS - 1);
1478 		return -1;
1479 	}
1480 
1481 	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1482 		ivtv_debug = 0;
1483 		pr_info("Debug value must be >= 0 and <= 2047\n");
1484 	}
1485 
1486 	if (pci_register_driver(&ivtv_pci_driver)) {
1487 		pr_err("Error detecting PCI card\n");
1488 		return -ENODEV;
1489 	}
1490 	pr_info("End initialization\n");
1491 	return 0;
1492 }
1493 
1494 static void __exit module_cleanup(void)
1495 {
1496 	pci_unregister_driver(&ivtv_pci_driver);
1497 }
1498 
1499 /* Note: These symbols are exported because they are used by the ivtvfb
1500    framebuffer module and an infrared module for the IR-blaster. */
1501 EXPORT_SYMBOL(ivtv_set_irq_mask);
1502 EXPORT_SYMBOL(ivtv_api);
1503 EXPORT_SYMBOL(ivtv_vapi);
1504 EXPORT_SYMBOL(ivtv_vapi_result);
1505 EXPORT_SYMBOL(ivtv_clear_irq_mask);
1506 EXPORT_SYMBOL(ivtv_debug);
1507 #ifdef CONFIG_VIDEO_ADV_DEBUG
1508 EXPORT_SYMBOL(ivtv_fw_debug);
1509 #endif
1510 EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1511 EXPORT_SYMBOL(ivtv_udma_setup);
1512 EXPORT_SYMBOL(ivtv_udma_unmap);
1513 EXPORT_SYMBOL(ivtv_udma_alloc);
1514 EXPORT_SYMBOL(ivtv_udma_prepare);
1515 EXPORT_SYMBOL(ivtv_init_on_first_open);
1516 EXPORT_SYMBOL(ivtv_firmware_check);
1517 
1518 module_init(module_start);
1519 module_exit(module_cleanup);
1520