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/saa7115.h>
61 #include <media/v4l2-chip-ident.h>
62 #include "tuner-xc2028.h"
63 
64 /* If you have already X v4l cards, then set this to X. This way
65    the device numbers stay matched. Example: you have a WinTV card
66    without radio and a PVR-350 with. Normally this would give a
67    video1 device together with a radio0 device for the PVR. By
68    setting this to 1 you ensure that radio0 is now also radio1. */
69 int ivtv_first_minor;
70 
71 /* Callback for registering extensions */
72 int (*ivtv_ext_init)(struct ivtv *);
73 EXPORT_SYMBOL(ivtv_ext_init);
74 
75 /* add your revision and whatnot here */
76 static struct pci_device_id ivtv_pci_tbl[] __devinitdata = {
77 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
78 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
79 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
80 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
81 	{0,}
82 };
83 
84 MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
85 
86 /* ivtv instance counter */
87 static atomic_t ivtv_instance = ATOMIC_INIT(0);
88 
89 /* Parameter declarations */
90 static int cardtype[IVTV_MAX_CARDS];
91 static int tuner[IVTV_MAX_CARDS] = { -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 				     -1, -1, -1, -1, -1, -1, -1, -1 };
95 static int radio[IVTV_MAX_CARDS] = { -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 				     -1, -1, -1, -1, -1, -1, -1, -1 };
99 static int i2c_clock_period[IVTV_MAX_CARDS] = { -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 					       -1, -1, -1, -1, -1, -1, -1, -1 };
103 
104 static unsigned int cardtype_c = 1;
105 static unsigned int tuner_c = 1;
106 static int radio_c = 1;
107 static unsigned int i2c_clock_period_c = 1;
108 static char pal[] = "---";
109 static char secam[] = "--";
110 static char ntsc[] = "-";
111 
112 /* Buffers */
113 
114 /* DMA Buffers, Default size in MB allocated */
115 #define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
116 #define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
117 #define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
118 /* Exception: size in kB for this stream (MB is overkill) */
119 #define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
120 #define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
121 #define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
122 /* Exception: size in kB for this stream (MB is way overkill) */
123 #define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
124 
125 static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
126 static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
127 static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
128 static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
129 static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
130 static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
131 static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
132 
133 static int ivtv_yuv_mode;
134 static int ivtv_yuv_threshold = -1;
135 static int ivtv_pci_latency = 1;
136 
137 int ivtv_debug;
138 #ifdef CONFIG_VIDEO_ADV_DEBUG
139 int ivtv_fw_debug;
140 #endif
141 
142 static int tunertype = -1;
143 static int newi2c = -1;
144 
145 module_param_array(tuner, int, &tuner_c, 0644);
146 module_param_array(radio, int, &radio_c, 0644);
147 module_param_array(cardtype, int, &cardtype_c, 0644);
148 module_param_string(pal, pal, sizeof(pal), 0644);
149 module_param_string(secam, secam, sizeof(secam), 0644);
150 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
151 module_param_named(debug,ivtv_debug, int, 0644);
152 #ifdef CONFIG_VIDEO_ADV_DEBUG
153 module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
154 #endif
155 module_param(ivtv_pci_latency, int, 0644);
156 module_param(ivtv_yuv_mode, int, 0644);
157 module_param(ivtv_yuv_threshold, int, 0644);
158 module_param(ivtv_first_minor, int, 0644);
159 
160 module_param(enc_mpg_buffers, int, 0644);
161 module_param(enc_yuv_buffers, int, 0644);
162 module_param(enc_vbi_buffers, int, 0644);
163 module_param(enc_pcm_buffers, int, 0644);
164 module_param(dec_mpg_buffers, int, 0644);
165 module_param(dec_yuv_buffers, int, 0644);
166 module_param(dec_vbi_buffers, int, 0644);
167 
168 module_param(tunertype, int, 0644);
169 module_param(newi2c, int, 0644);
170 module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
171 
172 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
173 			"\t\t\tsee tuner.h for values");
174 MODULE_PARM_DESC(radio,
175 		 "Enable or disable the radio. Use only if autodetection\n"
176 		 "\t\t\tfails. 0 = disable, 1 = enable");
177 MODULE_PARM_DESC(cardtype,
178 		 "Only use this option if your card is not detected properly.\n"
179 		 "\t\tSpecify card type:\n"
180 		 "\t\t\t 1 = WinTV PVR 250\n"
181 		 "\t\t\t 2 = WinTV PVR 350\n"
182 		 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
183 		 "\t\t\t 4 = AVerMedia M179\n"
184 		 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
185 		 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
186 		 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
187 		 "\t\t\t 8 = Adaptec AVC-2410\n"
188 		 "\t\t\t 9 = Adaptec AVC-2010\n"
189 		 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
190 		 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
191 		 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
192 		 "\t\t\t13 = I/O Data GV-MVP/RX\n"
193 		 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
194 		 "\t\t\t15 = GOTVIEW PCI DVD\n"
195 		 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
196 		 "\t\t\t17 = Yuan MPC622\n"
197 		 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
198 		 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
199 		 "\t\t\t20 = Club3D ZAP-TV1x01\n"
200 		 "\t\t\t21 = AverTV MCE 116 Plus\n"
201 		 "\t\t\t22 = ASUS Falcon2\n"
202 		 "\t\t\t23 = AverMedia PVR-150 Plus\n"
203 		 "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
204 		 "\t\t\t25 = AverMedia M104 (not yet working)\n"
205 		 "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
206 		 "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
207 		 "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
208 		 "\t\t\t 0 = Autodetect (default)\n"
209 		 "\t\t\t-1 = Ignore this card\n\t\t");
210 MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
211 MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
212 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
213 MODULE_PARM_DESC(tunertype,
214 		"Specify tuner type:\n"
215 		"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
216 		"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
217 		"\t\t\t-1 = Autodetect (default)\n");
218 MODULE_PARM_DESC(debug,
219 		 "Debug level (bitmask). Default: 0\n"
220 		 "\t\t\t   1/0x0001: warning\n"
221 		 "\t\t\t   2/0x0002: info\n"
222 		 "\t\t\t   4/0x0004: mailbox\n"
223 		 "\t\t\t   8/0x0008: ioctl\n"
224 		 "\t\t\t  16/0x0010: file\n"
225 		 "\t\t\t  32/0x0020: dma\n"
226 		 "\t\t\t  64/0x0040: irq\n"
227 		 "\t\t\t 128/0x0080: decoder\n"
228 		 "\t\t\t 256/0x0100: yuv\n"
229 		 "\t\t\t 512/0x0200: i2c\n"
230 		 "\t\t\t1024/0x0400: high volume\n");
231 #ifdef CONFIG_VIDEO_ADV_DEBUG
232 MODULE_PARM_DESC(fw_debug,
233 		 "Enable code for debugging firmware problems.  Default: 0\n");
234 #endif
235 MODULE_PARM_DESC(ivtv_pci_latency,
236 		 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
237 		 "\t\t\tDefault: Yes");
238 MODULE_PARM_DESC(ivtv_yuv_mode,
239 		 "Specify the yuv playback mode:\n"
240 		 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
241 		 "\t\t\tDefault: 0 (interlaced)");
242 MODULE_PARM_DESC(ivtv_yuv_threshold,
243 		 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
244 		 "\t\t\tDefault: 480");
245 MODULE_PARM_DESC(enc_mpg_buffers,
246 		 "Encoder MPG Buffers (in MB)\n"
247 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
248 MODULE_PARM_DESC(enc_yuv_buffers,
249 		 "Encoder YUV Buffers (in MB)\n"
250 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
251 MODULE_PARM_DESC(enc_vbi_buffers,
252 		 "Encoder VBI Buffers (in MB)\n"
253 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
254 MODULE_PARM_DESC(enc_pcm_buffers,
255 		 "Encoder PCM buffers (in kB)\n"
256 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
257 MODULE_PARM_DESC(dec_mpg_buffers,
258 		 "Decoder MPG buffers (in MB)\n"
259 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
260 MODULE_PARM_DESC(dec_yuv_buffers,
261 		 "Decoder YUV buffers (in MB)\n"
262 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
263 MODULE_PARM_DESC(dec_vbi_buffers,
264 		 "Decoder VBI buffers (in kB)\n"
265 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
266 MODULE_PARM_DESC(newi2c,
267 		 "Use new I2C implementation\n"
268 		 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
269 		 "\t\t\tDefault is autodetect");
270 MODULE_PARM_DESC(i2c_clock_period,
271 		 "Period of SCL for the I2C bus controlled by the CX23415/6\n"
272 		 "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
273 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
274 
275 MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
276 
277 MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
278 MODULE_DESCRIPTION("CX23415/CX23416 driver");
279 MODULE_SUPPORTED_DEVICE
280     ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
281 		"\t\t\tYuan MPG series and similar)");
282 MODULE_LICENSE("GPL");
283 
284 MODULE_VERSION(IVTV_VERSION);
285 
286 #if defined(CONFIG_MODULES) && defined(MODULE)
287 static void request_module_async(struct work_struct *work)
288 {
289 	struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
290 
291 	/* Make sure ivtv-alsa module is loaded */
292 	request_module("ivtv-alsa");
293 
294 	/* Initialize ivtv-alsa for this instance of the cx18 device */
295 	if (ivtv_ext_init != NULL)
296 		ivtv_ext_init(dev);
297 }
298 
299 static void request_modules(struct ivtv *dev)
300 {
301 	INIT_WORK(&dev->request_module_wk, request_module_async);
302 	schedule_work(&dev->request_module_wk);
303 }
304 
305 static void flush_request_modules(struct ivtv *dev)
306 {
307 	flush_work_sync(&dev->request_module_wk);
308 }
309 #else
310 #define request_modules(dev)
311 #define flush_request_modules(dev)
312 #endif /* CONFIG_MODULES */
313 
314 void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
315 {
316 	itv->irqmask &= ~mask;
317 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
318 }
319 
320 void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
321 {
322 	itv->irqmask |= mask;
323 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
324 }
325 
326 int ivtv_set_output_mode(struct ivtv *itv, int mode)
327 {
328     int old_mode;
329 
330     spin_lock(&itv->lock);
331     old_mode = itv->output_mode;
332     if (old_mode == 0)
333 	itv->output_mode = old_mode = mode;
334     spin_unlock(&itv->lock);
335     return old_mode;
336 }
337 
338 struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
339 {
340 	switch (itv->output_mode) {
341 	case OUT_MPG:
342 		return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
343 	case OUT_YUV:
344 		return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
345 	default:
346 		return NULL;
347 	}
348 }
349 
350 int ivtv_waitq(wait_queue_head_t *waitq)
351 {
352 	DEFINE_WAIT(wait);
353 
354 	prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
355 	schedule();
356 	finish_wait(waitq, &wait);
357 	return signal_pending(current) ? -EINTR : 0;
358 }
359 
360 /* Generic utility functions */
361 int ivtv_msleep_timeout(unsigned int msecs, int intr)
362 {
363 	int timeout = msecs_to_jiffies(msecs);
364 
365 	do {
366 		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
367 		timeout = schedule_timeout(timeout);
368 		if (intr) {
369 			int ret = signal_pending(current);
370 
371 			if (ret)
372 				return ret;
373 		}
374 	} while (timeout);
375 	return 0;
376 }
377 
378 /* Release ioremapped memory */
379 static void ivtv_iounmap(struct ivtv *itv)
380 {
381 	if (itv == NULL)
382 		return;
383 
384 	/* Release registers memory */
385 	if (itv->reg_mem != NULL) {
386 		IVTV_DEBUG_INFO("releasing reg_mem\n");
387 		iounmap(itv->reg_mem);
388 		itv->reg_mem = NULL;
389 	}
390 	/* Release io memory */
391 	if (itv->has_cx23415 && itv->dec_mem != NULL) {
392 		IVTV_DEBUG_INFO("releasing dec_mem\n");
393 		iounmap(itv->dec_mem);
394 	}
395 	itv->dec_mem = NULL;
396 
397 	/* Release io memory */
398 	if (itv->enc_mem != NULL) {
399 		IVTV_DEBUG_INFO("releasing enc_mem\n");
400 		iounmap(itv->enc_mem);
401 		itv->enc_mem = NULL;
402 	}
403 }
404 
405 /* Hauppauge card? get values from tveeprom */
406 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
407 {
408 	u8 eedata[256];
409 
410 	itv->i2c_client.addr = 0xA0 >> 1;
411 	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
412 	tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
413 }
414 
415 static void ivtv_process_eeprom(struct ivtv *itv)
416 {
417 	struct tveeprom tv;
418 	int pci_slot = PCI_SLOT(itv->pdev->devfn);
419 
420 	ivtv_read_eeprom(itv, &tv);
421 
422 	/* Many thanks to Steven Toth from Hauppauge for providing the
423 	   model numbers */
424 	switch (tv.model) {
425 		/* In a few cases the PCI subsystem IDs do not correctly
426 		   identify the card. A better method is to check the
427 		   model number from the eeprom instead. */
428 		case 30012 ... 30039:  /* Low profile PVR250 */
429 		case 32000 ... 32999:
430 		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */
431 		case 48400 ... 48599:
432 			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
433 			break;
434 		case 48100 ... 48399:
435 		case 48600 ... 48999:
436 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
437 			break;
438 		case 23000 ... 23999:  /* PVR500 */
439 		case 25000 ... 25999:  /* Low profile PVR150 */
440 		case 26000 ... 26999:  /* Regular PVR150 */
441 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
442 			break;
443 		case 0:
444 			IVTV_ERR("Invalid EEPROM\n");
445 			return;
446 		default:
447 			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
448 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
449 			break;
450 	}
451 
452 	switch (tv.model) {
453 		/* Old style PVR350 (with an saa7114) uses this input for
454 		   the tuner. */
455 		case 48254:
456 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
457 			break;
458 		default:
459 			break;
460 	}
461 
462 	itv->v4l2_cap = itv->card->v4l2_capabilities;
463 	itv->card_name = itv->card->name;
464 	itv->card_i2c = itv->card->i2c;
465 
466 	/* If this is a PVR500 then it should be possible to detect whether it is the
467 	   first or second unit by looking at the subsystem device ID: is bit 4 is
468 	   set, then it is the second unit (according to info from Hauppauge).
469 
470 	   However, while this works for most cards, I have seen a few PVR500 cards
471 	   where both units have the same subsystem ID.
472 
473 	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
474 	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
475 	   it is the second unit. It is possible that it is a different slot when ivtv is
476 	   used in Xen, in that case I ignore this card here. The worst that can happen
477 	   is that the card presents itself with a non-working radio device.
478 
479 	   This detection is needed since the eeprom reports incorrectly that a radio is
480 	   present on the second unit. */
481 	if (tv.model / 1000 == 23) {
482 		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
483 			.radio = { 0x60, I2C_CLIENT_END },
484 			.demod = { 0x43, I2C_CLIENT_END },
485 			.tv = { 0x61, I2C_CLIENT_END },
486 		};
487 
488 		itv->card_name = "WinTV PVR 500";
489 		itv->card_i2c = &ivtv_i2c_radio;
490 		if (pci_slot == 8 || pci_slot == 9) {
491 			int is_first = (pci_slot & 1) == 0;
492 
493 			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
494 						    "WinTV PVR 500 (unit #2)";
495 			if (!is_first) {
496 				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
497 				tv.has_radio = 0;
498 			}
499 		}
500 	}
501 	IVTV_INFO("Autodetected %s\n", itv->card_name);
502 
503 	switch (tv.tuner_hauppauge_model) {
504 		case 85:
505 		case 99:
506 		case 112:
507 			itv->pvr150_workaround = 1;
508 			break;
509 		default:
510 			break;
511 	}
512 	if (tv.tuner_type == TUNER_ABSENT)
513 		IVTV_ERR("tveeprom cannot autodetect tuner!\n");
514 
515 	if (itv->options.tuner == -1)
516 		itv->options.tuner = tv.tuner_type;
517 	if (itv->options.radio == -1)
518 		itv->options.radio = (tv.has_radio != 0);
519 	/* only enable newi2c if an IR blaster is present */
520 	if (itv->options.newi2c == -1 && tv.has_ir) {
521 		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
522 		if (itv->options.newi2c) {
523 		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
524 		    exit_ivtv_i2c(itv);
525 		    init_ivtv_i2c(itv);
526 		}
527 	}
528 
529 	if (itv->std != 0)
530 		/* user specified tuner standard */
531 		return;
532 
533 	/* autodetect tuner standard */
534 	if (tv.tuner_formats & V4L2_STD_PAL) {
535 		IVTV_DEBUG_INFO("PAL tuner detected\n");
536 		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
537 	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
538 		IVTV_DEBUG_INFO("NTSC tuner detected\n");
539 		itv->std |= V4L2_STD_NTSC_M;
540 	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
541 		IVTV_DEBUG_INFO("SECAM tuner detected\n");
542 		itv->std |= V4L2_STD_SECAM_L;
543 	} else {
544 		IVTV_INFO("No tuner detected, default to NTSC-M\n");
545 		itv->std |= V4L2_STD_NTSC_M;
546 	}
547 }
548 
549 static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
550 {
551 	switch (pal[0]) {
552 		case '6':
553 			tunertype = 0;
554 			return V4L2_STD_PAL_60;
555 		case 'b':
556 		case 'B':
557 		case 'g':
558 		case 'G':
559 		case 'h':
560 		case 'H':
561 			tunertype = 0;
562 			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
563 		case 'n':
564 		case 'N':
565 			tunertype = 1;
566 			if (pal[1] == 'c' || pal[1] == 'C')
567 				return V4L2_STD_PAL_Nc;
568 			return V4L2_STD_PAL_N;
569 		case 'i':
570 		case 'I':
571 			tunertype = 0;
572 			return V4L2_STD_PAL_I;
573 		case 'd':
574 		case 'D':
575 		case 'k':
576 		case 'K':
577 			tunertype = 0;
578 			return V4L2_STD_PAL_DK;
579 		case 'M':
580 		case 'm':
581 			tunertype = 1;
582 			return V4L2_STD_PAL_M;
583 		case '-':
584 			break;
585 		default:
586 			IVTV_WARN("pal= argument not recognised\n");
587 			return 0;
588 	}
589 
590 	switch (secam[0]) {
591 		case 'b':
592 		case 'B':
593 		case 'g':
594 		case 'G':
595 		case 'h':
596 		case 'H':
597 			tunertype = 0;
598 			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
599 		case 'd':
600 		case 'D':
601 		case 'k':
602 		case 'K':
603 			tunertype = 0;
604 			return V4L2_STD_SECAM_DK;
605 		case 'l':
606 		case 'L':
607 			tunertype = 0;
608 			if (secam[1] == 'C' || secam[1] == 'c')
609 				return V4L2_STD_SECAM_LC;
610 			return V4L2_STD_SECAM_L;
611 		case '-':
612 			break;
613 		default:
614 			IVTV_WARN("secam= argument not recognised\n");
615 			return 0;
616 	}
617 
618 	switch (ntsc[0]) {
619 		case 'm':
620 		case 'M':
621 			tunertype = 1;
622 			return V4L2_STD_NTSC_M;
623 		case 'j':
624 		case 'J':
625 			tunertype = 1;
626 			return V4L2_STD_NTSC_M_JP;
627 		case 'k':
628 		case 'K':
629 			tunertype = 1;
630 			return V4L2_STD_NTSC_M_KR;
631 		case '-':
632 			break;
633 		default:
634 			IVTV_WARN("ntsc= argument not recognised\n");
635 			return 0;
636 	}
637 
638 	/* no match found */
639 	return 0;
640 }
641 
642 static void ivtv_process_options(struct ivtv *itv)
643 {
644 	const char *chipname;
645 	int i, j;
646 
647 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
648 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
649 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
650 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
651 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
652 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
653 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
654 	itv->options.cardtype = cardtype[itv->instance];
655 	itv->options.tuner = tuner[itv->instance];
656 	itv->options.radio = radio[itv->instance];
657 
658 	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
659 	if (itv->options.i2c_clock_period == -1)
660 		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
661 	else if (itv->options.i2c_clock_period < 10)
662 		itv->options.i2c_clock_period = 10;
663 	else if (itv->options.i2c_clock_period > 4500)
664 		itv->options.i2c_clock_period = 4500;
665 
666 	itv->options.newi2c = newi2c;
667 	if (tunertype < -1 || tunertype > 1) {
668 		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
669 		tunertype = -1;
670 	}
671 	itv->std = ivtv_parse_std(itv);
672 	if (itv->std == 0 && tunertype >= 0)
673 		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
674 	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
675 	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
676 	if (itv->options.cardtype == -1) {
677 		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
678 		return;
679 	}
680 	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
681 		IVTV_INFO("User specified %s card (detected %s based chip)\n",
682 				itv->card->name, chipname);
683 	} else if (itv->options.cardtype != 0) {
684 		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
685 	}
686 	if (itv->card == NULL) {
687 		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
688 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
689 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
690 			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
691 			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
692 					chipname);
693 		}
694 	}
695 	if (itv->card == NULL) {
696 		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
697 			if (itv->card->pci_list == NULL)
698 				continue;
699 			for (j = 0; itv->card->pci_list[j].device; j++) {
700 				if (itv->pdev->device !=
701 				    itv->card->pci_list[j].device)
702 					continue;
703 				if (itv->pdev->subsystem_vendor !=
704 				    itv->card->pci_list[j].subsystem_vendor)
705 					continue;
706 				if (itv->pdev->subsystem_device !=
707 				    itv->card->pci_list[j].subsystem_device)
708 					continue;
709 				IVTV_INFO("Autodetected %s card (%s based)\n",
710 						itv->card->name, chipname);
711 				goto done;
712 			}
713 		}
714 	}
715 done:
716 
717 	if (itv->card == NULL) {
718 		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
719 		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
720 		     itv->pdev->vendor, itv->pdev->device);
721 		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",
722 		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
723 		IVTV_ERR("              %s based\n", chipname);
724 		IVTV_ERR("Defaulting to %s card\n", itv->card->name);
725 		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
726 		IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
727 		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
728 	}
729 	itv->v4l2_cap = itv->card->v4l2_capabilities;
730 	itv->card_name = itv->card->name;
731 	itv->card_i2c = itv->card->i2c;
732 }
733 
734 /* Precondition: the ivtv structure has been memset to 0. Only
735    the dev and num fields have been filled in.
736    No assumptions on the card type may be made here (see ivtv_init_struct2
737    for that).
738  */
739 static int __devinit ivtv_init_struct1(struct ivtv *itv)
740 {
741 	struct sched_param param = { .sched_priority = 99 };
742 
743 	itv->base_addr = pci_resource_start(itv->pdev, 0);
744 	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
745 	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
746 
747 	mutex_init(&itv->serialize_lock);
748 	mutex_init(&itv->i2c_bus_lock);
749 	mutex_init(&itv->udma.lock);
750 
751 	spin_lock_init(&itv->lock);
752 	spin_lock_init(&itv->dma_reg_lock);
753 
754 	init_kthread_worker(&itv->irq_worker);
755 	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
756 					   itv->v4l2_dev.name);
757 	if (IS_ERR(itv->irq_worker_task)) {
758 		IVTV_ERR("Could not create ivtv task\n");
759 		return -1;
760 	}
761 	/* must use the FIFO scheduler as it is realtime sensitive */
762 	sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
763 
764 	init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
765 
766 	/* Initial settings */
767 	itv->cxhdl.port = CX2341X_PORT_MEMORY;
768 	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
769 	init_waitqueue_head(&itv->eos_waitq);
770 	init_waitqueue_head(&itv->event_waitq);
771 	init_waitqueue_head(&itv->vsync_waitq);
772 	init_waitqueue_head(&itv->dma_waitq);
773 	init_timer(&itv->dma_timer);
774 	itv->dma_timer.function = ivtv_unfinished_dma;
775 	itv->dma_timer.data = (unsigned long)itv;
776 
777 	itv->cur_dma_stream = -1;
778 	itv->cur_pio_stream = -1;
779 
780 	/* Ctrls */
781 	itv->speed = 1000;
782 
783 	/* VBI */
784 	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
785 	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
786 
787 	/* Init the sg table for osd/yuv output */
788 	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
789 
790 	/* OSD */
791 	itv->osd_global_alpha_state = 1;
792 	itv->osd_global_alpha = 255;
793 
794 	/* YUV */
795 	atomic_set(&itv->yuv_info.next_dma_frame, -1);
796 	itv->yuv_info.lace_mode = ivtv_yuv_mode;
797 	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
798 	itv->yuv_info.max_frames_buffered = 3;
799 	itv->yuv_info.track_osd = 1;
800 	return 0;
801 }
802 
803 /* Second initialization part. Here the card type has been
804    autodetected. */
805 static void __devinit ivtv_init_struct2(struct ivtv *itv)
806 {
807 	int i;
808 
809 	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
810 		if (itv->card->video_inputs[i].video_type == 0)
811 			break;
812 	itv->nof_inputs = i;
813 	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
814 		if (itv->card->audio_inputs[i].audio_type == 0)
815 			break;
816 	itv->nof_audio_inputs = i;
817 
818 	if (itv->card->hw_all & IVTV_HW_CX25840) {
819 		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
820 	} else {
821 		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
822 	}
823 
824 	/* Find tuner input */
825 	for (i = 0; i < itv->nof_inputs; i++) {
826 		if (itv->card->video_inputs[i].video_type ==
827 				IVTV_CARD_INPUT_VID_TUNER)
828 			break;
829 	}
830 	if (i == itv->nof_inputs)
831 		i = 0;
832 	itv->active_input = i;
833 	itv->audio_input = itv->card->video_inputs[i].audio_index;
834 }
835 
836 static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
837 			  const struct pci_device_id *pci_id)
838 {
839 	u16 cmd;
840 	unsigned char pci_latency;
841 
842 	IVTV_DEBUG_INFO("Enabling pci device\n");
843 
844 	if (pci_enable_device(pdev)) {
845 		IVTV_ERR("Can't enable device!\n");
846 		return -EIO;
847 	}
848 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
849 		IVTV_ERR("No suitable DMA available.\n");
850 		return -EIO;
851 	}
852 	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
853 		IVTV_ERR("Cannot request encoder memory region.\n");
854 		return -EIO;
855 	}
856 
857 	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
858 				IVTV_REG_SIZE, "ivtv registers")) {
859 		IVTV_ERR("Cannot request register memory region.\n");
860 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
861 		return -EIO;
862 	}
863 
864 	if (itv->has_cx23415 &&
865 	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
866 				IVTV_DECODER_SIZE, "ivtv decoder")) {
867 		IVTV_ERR("Cannot request decoder memory region.\n");
868 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
869 		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
870 		return -EIO;
871 	}
872 
873 	/* Check for bus mastering */
874 	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
875 	if (!(cmd & PCI_COMMAND_MASTER)) {
876 		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
877 		pci_set_master(pdev);
878 		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
879 		if (!(cmd & PCI_COMMAND_MASTER)) {
880 			IVTV_ERR("Bus Mastering is not enabled\n");
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, "
890 			       "setting to 64 (was %d)\n", 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, "
901 		   "irq: %d, latency: %d, memory: 0x%llx\n",
902 		   pdev->device, pdev->revision, pdev->bus->number,
903 		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
904 		   pdev->irq, pci_latency, (u64)itv->base_addr);
905 
906 	return 0;
907 }
908 
909 static void ivtv_load_and_init_modules(struct ivtv *itv)
910 {
911 	u32 hw = itv->card->hw_all;
912 	unsigned i;
913 
914 	/* check which i2c devices are actually found */
915 	for (i = 0; i < 32; i++) {
916 		u32 device = 1 << i;
917 
918 		if (!(device & hw))
919 			continue;
920 		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
921 			/* GPIO and TVEEPROM do not use i2c probing */
922 			itv->hw_flags |= device;
923 			continue;
924 		}
925 		if (ivtv_i2c_register(itv, i) == 0)
926 			itv->hw_flags |= device;
927 	}
928 
929 	/* probe for legacy IR controllers that aren't in card definitions */
930 	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
931 		ivtv_i2c_new_ir_legacy(itv);
932 
933 	if (itv->card->hw_all & IVTV_HW_CX25840)
934 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
935 	else if (itv->card->hw_all & IVTV_HW_SAA717X)
936 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
937 	else if (itv->card->hw_all & IVTV_HW_SAA7114)
938 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
939 	else
940 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
941 	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
942 	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
943 
944 	hw = itv->hw_flags;
945 
946 	if (itv->card->type == IVTV_CARD_CX23416GYC) {
947 		/* Several variations of this card exist, detect which card
948 		   type should be used. */
949 		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
950 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
951 		else if ((hw & IVTV_HW_UPD64031A) == 0)
952 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
953 	}
954 	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
955 		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
956 		/* The crystal frequency of GVMVPRX is 24.576MHz */
957 		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
958 			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
959 	}
960 
961 	if (hw & IVTV_HW_CX25840) {
962 		itv->vbi.raw_decoder_line_size = 1444;
963 		itv->vbi.raw_decoder_sav_odd_field = 0x20;
964 		itv->vbi.raw_decoder_sav_even_field = 0x60;
965 		itv->vbi.sliced_decoder_line_size = 272;
966 		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
967 		itv->vbi.sliced_decoder_sav_even_field = 0xF0;
968 	}
969 
970 	if (hw & IVTV_HW_SAA711X) {
971 		struct v4l2_dbg_chip_ident v;
972 
973 		/* determine the exact saa711x model */
974 		itv->hw_flags &= ~IVTV_HW_SAA711X;
975 
976 		v.match.type = V4L2_CHIP_MATCH_I2C_DRIVER;
977 		strlcpy(v.match.name, "saa7115", sizeof(v.match.name));
978 		ivtv_call_hw(itv, IVTV_HW_SAA711X, core, g_chip_ident, &v);
979 		if (v.ident == V4L2_IDENT_SAA7114) {
980 			itv->hw_flags |= IVTV_HW_SAA7114;
981 			/* VBI is not yet supported by the saa7114 driver. */
982 			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
983 		} else {
984 			itv->hw_flags |= IVTV_HW_SAA7115;
985 		}
986 		itv->vbi.raw_decoder_line_size = 1443;
987 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
988 		itv->vbi.raw_decoder_sav_even_field = 0x62;
989 		itv->vbi.sliced_decoder_line_size = 51;
990 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
991 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
992 	}
993 
994 	if (hw & IVTV_HW_SAA717X) {
995 		itv->vbi.raw_decoder_line_size = 1443;
996 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
997 		itv->vbi.raw_decoder_sav_even_field = 0x62;
998 		itv->vbi.sliced_decoder_line_size = 51;
999 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
1000 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
1001 	}
1002 }
1003 
1004 static int __devinit ivtv_probe(struct pci_dev *pdev,
1005 				const struct pci_device_id *pci_id)
1006 {
1007 	int retval = 0;
1008 	int vbi_buf_size;
1009 	struct ivtv *itv;
1010 
1011 	itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
1012 	if (itv == NULL)
1013 		return -ENOMEM;
1014 	itv->pdev = pdev;
1015 	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
1016 						&ivtv_instance);
1017 
1018 	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
1019 	if (retval) {
1020 		kfree(itv);
1021 		return retval;
1022 	}
1023 	IVTV_INFO("Initializing card %d\n", itv->instance);
1024 
1025 	ivtv_process_options(itv);
1026 	if (itv->options.cardtype == -1) {
1027 		retval = -ENODEV;
1028 		goto err;
1029 	}
1030 	if (ivtv_init_struct1(itv)) {
1031 		retval = -ENOMEM;
1032 		goto err;
1033 	}
1034 	retval = cx2341x_handler_init(&itv->cxhdl, 50);
1035 	if (retval)
1036 		goto err;
1037 	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1038 	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1039 	itv->cxhdl.priv = itv;
1040 	itv->cxhdl.func = ivtv_api_func;
1041 
1042 	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
1043 
1044 	/* PCI Device Setup */
1045 	retval = ivtv_setup_pci(itv, pdev, pci_id);
1046 	if (retval == -EIO)
1047 		goto free_worker;
1048 	if (retval == -ENXIO)
1049 		goto free_mem;
1050 
1051 	/* map io memory */
1052 	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1053 		   (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1054 	itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1055 				       IVTV_ENCODER_SIZE);
1056 	if (!itv->enc_mem) {
1057 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1058 			 "encoder memory\n");
1059 		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
1060 			 "vmalloc address space for this window\n");
1061 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1062 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1063 			 "VmallocTotal to a larger value\n");
1064 		retval = -ENOMEM;
1065 		goto free_mem;
1066 	}
1067 
1068 	if (itv->has_cx23415) {
1069 		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1070 				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1071 		itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1072 				IVTV_DECODER_SIZE);
1073 		if (!itv->dec_mem) {
1074 			IVTV_ERR("ioremap failed. Can't get a window into "
1075 				 "CX23415 decoder memory\n");
1076 			IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
1077 				 "of vmalloc address space for this window\n");
1078 			IVTV_ERR("Check the output of 'grep Vmalloc "
1079 				 "/proc/meminfo'\n");
1080 			IVTV_ERR("Use the vmalloc= kernel command line option "
1081 				 "to set VmallocTotal to a larger value\n");
1082 			retval = -ENOMEM;
1083 			goto free_mem;
1084 		}
1085 	}
1086 	else {
1087 		itv->dec_mem = itv->enc_mem;
1088 	}
1089 
1090 	/* map registers memory */
1091 	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1092 		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1093 	itv->reg_mem =
1094 	    ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1095 	if (!itv->reg_mem) {
1096 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1097 			 "register space\n");
1098 		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
1099 			 "vmalloc address space for this window\n");
1100 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1101 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1102 			 "VmallocTotal to a larger value\n");
1103 		retval = -ENOMEM;
1104 		goto free_io;
1105 	}
1106 
1107 	retval = ivtv_gpio_init(itv);
1108 	if (retval)
1109 		goto free_io;
1110 
1111 	/* active i2c  */
1112 	IVTV_DEBUG_INFO("activating i2c...\n");
1113 	if (init_ivtv_i2c(itv)) {
1114 		IVTV_ERR("Could not initialize i2c\n");
1115 		goto free_io;
1116 	}
1117 
1118 	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1119 		/* Based on the model number the cardtype may be changed.
1120 		   The PCI IDs are not always reliable. */
1121 		ivtv_process_eeprom(itv);
1122 	}
1123 	if (itv->card->comment)
1124 		IVTV_INFO("%s", itv->card->comment);
1125 	if (itv->card->v4l2_capabilities == 0) {
1126 		/* card was detected but is not supported */
1127 		retval = -ENODEV;
1128 		goto free_i2c;
1129 	}
1130 
1131 	if (itv->std == 0) {
1132 		itv->std = V4L2_STD_NTSC_M;
1133 	}
1134 
1135 	if (itv->options.tuner == -1) {
1136 		int i;
1137 
1138 		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1139 			if ((itv->std & itv->card->tuners[i].std) == 0)
1140 				continue;
1141 			itv->options.tuner = itv->card->tuners[i].tuner;
1142 			break;
1143 		}
1144 	}
1145 	/* if no tuner was found, then pick the first tuner in the card list */
1146 	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1147 		itv->std = itv->card->tuners[0].std;
1148 		if (itv->std & V4L2_STD_PAL)
1149 			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1150 		else if (itv->std & V4L2_STD_NTSC)
1151 			itv->std = V4L2_STD_NTSC_M;
1152 		else if (itv->std & V4L2_STD_SECAM)
1153 			itv->std = V4L2_STD_SECAM_L;
1154 		itv->options.tuner = itv->card->tuners[0].tuner;
1155 	}
1156 	if (itv->options.radio == -1)
1157 		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1158 
1159 	/* The card is now fully identified, continue with card-specific
1160 	   initialization. */
1161 	ivtv_init_struct2(itv);
1162 
1163 	ivtv_load_and_init_modules(itv);
1164 
1165 	if (itv->std & V4L2_STD_525_60) {
1166 		itv->is_60hz = 1;
1167 		itv->is_out_60hz = 1;
1168 	} else {
1169 		itv->is_50hz = 1;
1170 		itv->is_out_50hz = 1;
1171 	}
1172 
1173 	itv->yuv_info.osd_full_w = 720;
1174 	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1175 	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1176 	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1177 
1178 	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1179 
1180 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1181 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1182 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1183 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1184 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1185 
1186 	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1187 	   It is possible to switch between PAL and NTSC, so we need to
1188 	   take the largest size here. */
1189 	/* 1456 is multiple of 16, real size = 1444 */
1190 	itv->vbi.raw_size = 1456;
1191 	/* We use a buffer size of 1/2 of the total size needed for a
1192 	   frame. This is actually very useful, since we now receive
1193 	   a field at a time and that makes 'compressing' the raw data
1194 	   down to size by stripping off the SAV codes a lot easier.
1195 	   Note: having two different buffer sizes prevents standard
1196 	   switching on the fly. We need to find a better solution... */
1197 	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1198 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1199 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1200 
1201 	if (itv->options.radio > 0)
1202 		itv->v4l2_cap |= V4L2_CAP_RADIO;
1203 
1204 	if (itv->options.tuner > -1) {
1205 		struct tuner_setup setup;
1206 
1207 		setup.addr = ADDR_UNSET;
1208 		setup.type = itv->options.tuner;
1209 		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1210 		if (itv->options.radio > 0)
1211 			setup.mode_mask |= T_RADIO;
1212 		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1213 			ivtv_reset_tuner_gpio : NULL;
1214 		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1215 		if (setup.type == TUNER_XC2028) {
1216 			static struct xc2028_ctrl ctrl = {
1217 				.fname = XC2028_DEFAULT_FIRMWARE,
1218 				.max_len = 64,
1219 			};
1220 			struct v4l2_priv_tun_config cfg = {
1221 				.tuner = itv->options.tuner,
1222 				.priv = &ctrl,
1223 			};
1224 			ivtv_call_all(itv, tuner, s_config, &cfg);
1225 		}
1226 	}
1227 
1228 	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1229 	   are not. */
1230 	itv->tuner_std = itv->std;
1231 
1232 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1233 		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1234 
1235 		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1236 				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
1237 		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1238 				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
1239 		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1240 		   mask that menu item. */
1241 		itv->ctrl_audio_playback =
1242 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1243 				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1244 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1245 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1246 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1247 		itv->ctrl_audio_multilingual_playback =
1248 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1249 				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1250 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1251 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1252 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1253 		if (hdl->error) {
1254 			retval = hdl->error;
1255 			goto free_i2c;
1256 		}
1257 		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1258 		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1259 		ivtv_call_all(itv, video, s_std_output, itv->std);
1260 		/* Turn off the output signal. The mpeg decoder is not yet
1261 		   active so without this you would get a green image until the
1262 		   mpeg decoder becomes active. */
1263 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1264 	}
1265 
1266 	/* clear interrupt mask, effectively disabling interrupts */
1267 	ivtv_set_irq_mask(itv, 0xffffffff);
1268 
1269 	/* Register IRQ */
1270 	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1271 	     IRQF_SHARED | IRQF_DISABLED, itv->v4l2_dev.name, (void *)itv);
1272 	if (retval) {
1273 		IVTV_ERR("Failed to register irq %d\n", retval);
1274 		goto free_i2c;
1275 	}
1276 
1277 	retval = ivtv_streams_setup(itv);
1278 	if (retval) {
1279 		IVTV_ERR("Error %d setting up streams\n", retval);
1280 		goto free_irq;
1281 	}
1282 	retval = ivtv_streams_register(itv);
1283 	if (retval) {
1284 		IVTV_ERR("Error %d registering devices\n", retval);
1285 		goto free_streams;
1286 	}
1287 	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1288 
1289 	/* Load ivtv submodules (ivtv-alsa) */
1290 	request_modules(itv);
1291 	return 0;
1292 
1293 free_streams:
1294 	ivtv_streams_cleanup(itv, 1);
1295 free_irq:
1296 	free_irq(itv->pdev->irq, (void *)itv);
1297 free_i2c:
1298 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1299 	exit_ivtv_i2c(itv);
1300 free_io:
1301 	ivtv_iounmap(itv);
1302 free_mem:
1303 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1304 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1305 	if (itv->has_cx23415)
1306 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1307 free_worker:
1308 	kthread_stop(itv->irq_worker_task);
1309 err:
1310 	if (retval == 0)
1311 		retval = -ENODEV;
1312 	IVTV_ERR("Error %d on initialization\n", retval);
1313 
1314 	v4l2_device_unregister(&itv->v4l2_dev);
1315 	kfree(itv);
1316 	return retval;
1317 }
1318 
1319 int ivtv_init_on_first_open(struct ivtv *itv)
1320 {
1321 	struct v4l2_frequency vf;
1322 	/* Needed to call ioctls later */
1323 	struct ivtv_open_id fh;
1324 	int fw_retry_count = 3;
1325 	int video_input;
1326 
1327 	fh.itv = itv;
1328 	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1329 
1330 	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1331 		return -ENXIO;
1332 
1333 	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1334 		return 0;
1335 
1336 	while (--fw_retry_count > 0) {
1337 		/* load firmware */
1338 		if (ivtv_firmware_init(itv) == 0)
1339 			break;
1340 		if (fw_retry_count > 1)
1341 			IVTV_WARN("Retry loading firmware\n");
1342 	}
1343 
1344 	if (fw_retry_count == 0) {
1345 		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1346 		return -ENXIO;
1347 	}
1348 
1349 	/* Try and get firmware versions */
1350 	IVTV_DEBUG_INFO("Getting firmware version..\n");
1351 	ivtv_firmware_versions(itv);
1352 
1353 	if (itv->card->hw_all & IVTV_HW_CX25840)
1354 		v4l2_subdev_call(itv->sd_video, core, load_fw);
1355 
1356 	vf.tuner = 0;
1357 	vf.type = V4L2_TUNER_ANALOG_TV;
1358 	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1359 
1360 	/* Set initial frequency. For PAL/SECAM broadcasts no
1361 	   'default' channel exists AFAIK. */
1362 	if (itv->std == V4L2_STD_NTSC_M_JP) {
1363 		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1364 	}
1365 	else if (itv->std & V4L2_STD_NTSC_M) {
1366 		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1367 	}
1368 
1369 	video_input = itv->active_input;
1370 	itv->active_input++;	/* Force update of input */
1371 	ivtv_s_input(NULL, &fh, video_input);
1372 
1373 	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1374 	   in one place. */
1375 	itv->std++;		/* Force full standard initialization */
1376 	itv->std_out = itv->std;
1377 	ivtv_s_frequency(NULL, &fh, &vf);
1378 
1379 	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1380 		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1381 		   the mpeg decoder so now the saa7127 receives a proper
1382 		   signal. */
1383 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1384 		ivtv_init_mpeg_decoder(itv);
1385 	}
1386 
1387 	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1388 	if (!itv->has_cx23415)
1389 		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1390 
1391 	ivtv_s_std_enc(itv, &itv->tuner_std);
1392 
1393 	/* Default interrupts enabled. For the PVR350 this includes the
1394 	   decoder VSYNC interrupt, which is always on. It is not only used
1395 	   during decoding but also by the OSD.
1396 	   Some old PVR250 cards had a cx23415, so testing for that is too
1397 	   general. Instead test if the card has video output capability. */
1398 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1399 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1400 		ivtv_set_osd_alpha(itv);
1401 		ivtv_s_std_dec(itv, &itv->tuner_std);
1402 	} else {
1403 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1404 	}
1405 
1406 	/* Setup initial controls */
1407 	cx2341x_handler_setup(&itv->cxhdl);
1408 	return 0;
1409 }
1410 
1411 static void ivtv_remove(struct pci_dev *pdev)
1412 {
1413 	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1414 	struct ivtv *itv = to_ivtv(v4l2_dev);
1415 	int i;
1416 
1417 	IVTV_DEBUG_INFO("Removing card\n");
1418 
1419 	flush_request_modules(itv);
1420 
1421 	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1422 		/* Stop all captures */
1423 		IVTV_DEBUG_INFO("Stopping all streams\n");
1424 		if (atomic_read(&itv->capturing) > 0)
1425 			ivtv_stop_all_captures(itv);
1426 
1427 		/* Stop all decoding */
1428 		IVTV_DEBUG_INFO("Stopping decoding\n");
1429 
1430 		/* Turn off the TV-out */
1431 		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1432 			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1433 		if (atomic_read(&itv->decoding) > 0) {
1434 			int type;
1435 
1436 			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1437 				type = IVTV_DEC_STREAM_TYPE_YUV;
1438 			else
1439 				type = IVTV_DEC_STREAM_TYPE_MPG;
1440 			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1441 				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1442 		}
1443 		ivtv_halt_firmware(itv);
1444 	}
1445 
1446 	/* Interrupts */
1447 	ivtv_set_irq_mask(itv, 0xffffffff);
1448 	del_timer_sync(&itv->dma_timer);
1449 
1450 	/* Kill irq worker */
1451 	flush_kthread_worker(&itv->irq_worker);
1452 	kthread_stop(itv->irq_worker_task);
1453 
1454 	ivtv_streams_cleanup(itv, 1);
1455 	ivtv_udma_free(itv);
1456 
1457 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1458 
1459 	exit_ivtv_i2c(itv);
1460 
1461 	free_irq(itv->pdev->irq, (void *)itv);
1462 	ivtv_iounmap(itv);
1463 
1464 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1465 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1466 	if (itv->has_cx23415)
1467 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1468 
1469 	pci_disable_device(itv->pdev);
1470 	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1471 		kfree(itv->vbi.sliced_mpeg_data[i]);
1472 
1473 	printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
1474 
1475 	v4l2_device_unregister(&itv->v4l2_dev);
1476 	kfree(itv);
1477 }
1478 
1479 /* define a pci_driver for card detection */
1480 static struct pci_driver ivtv_pci_driver = {
1481       .name =     "ivtv",
1482       .id_table = ivtv_pci_tbl,
1483       .probe =    ivtv_probe,
1484       .remove =   ivtv_remove,
1485 };
1486 
1487 static int __init module_start(void)
1488 {
1489 	printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1490 
1491 	/* Validate parameters */
1492 	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1493 		printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1494 		     IVTV_MAX_CARDS - 1);
1495 		return -1;
1496 	}
1497 
1498 	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1499 		ivtv_debug = 0;
1500 		printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
1501 	}
1502 
1503 	if (pci_register_driver(&ivtv_pci_driver)) {
1504 		printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1505 		return -ENODEV;
1506 	}
1507 	printk(KERN_INFO "ivtv: End initialization\n");
1508 	return 0;
1509 }
1510 
1511 static void __exit module_cleanup(void)
1512 {
1513 	pci_unregister_driver(&ivtv_pci_driver);
1514 }
1515 
1516 /* Note: These symbols are exported because they are used by the ivtvfb
1517    framebuffer module and an infrared module for the IR-blaster. */
1518 EXPORT_SYMBOL(ivtv_set_irq_mask);
1519 EXPORT_SYMBOL(ivtv_api);
1520 EXPORT_SYMBOL(ivtv_vapi);
1521 EXPORT_SYMBOL(ivtv_vapi_result);
1522 EXPORT_SYMBOL(ivtv_clear_irq_mask);
1523 EXPORT_SYMBOL(ivtv_debug);
1524 #ifdef CONFIG_VIDEO_ADV_DEBUG
1525 EXPORT_SYMBOL(ivtv_fw_debug);
1526 #endif
1527 EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1528 EXPORT_SYMBOL(ivtv_udma_setup);
1529 EXPORT_SYMBOL(ivtv_udma_unmap);
1530 EXPORT_SYMBOL(ivtv_udma_alloc);
1531 EXPORT_SYMBOL(ivtv_udma_prepare);
1532 EXPORT_SYMBOL(ivtv_init_on_first_open);
1533 EXPORT_SYMBOL(ivtv_firmware_check);
1534 
1535 module_init(module_start);
1536 module_exit(module_cleanup);
1537