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 /* add your revision and whatnot here */
72 static struct pci_device_id ivtv_pci_tbl[] __devinitdata = {
73 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
74 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
75 	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
76 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
77 	{0,}
78 };
79 
80 MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
81 
82 /* ivtv instance counter */
83 static atomic_t ivtv_instance = ATOMIC_INIT(0);
84 
85 /* Parameter declarations */
86 static int cardtype[IVTV_MAX_CARDS];
87 static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
88 				     -1, -1, -1, -1, -1, -1, -1, -1,
89 				     -1, -1, -1, -1, -1, -1, -1, -1,
90 				     -1, -1, -1, -1, -1, -1, -1, -1 };
91 static int radio[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 i2c_clock_period[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 
100 static unsigned int cardtype_c = 1;
101 static unsigned int tuner_c = 1;
102 static int radio_c = 1;
103 static unsigned int i2c_clock_period_c = 1;
104 static char pal[] = "---";
105 static char secam[] = "--";
106 static char ntsc[] = "-";
107 
108 /* Buffers */
109 
110 /* DMA Buffers, Default size in MB allocated */
111 #define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
112 #define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
113 #define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
114 /* Exception: size in kB for this stream (MB is overkill) */
115 #define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
116 #define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
117 #define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
118 /* Exception: size in kB for this stream (MB is way overkill) */
119 #define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
120 
121 static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
122 static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
123 static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
124 static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
125 static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
126 static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
127 static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
128 
129 static int ivtv_yuv_mode;
130 static int ivtv_yuv_threshold = -1;
131 static int ivtv_pci_latency = 1;
132 
133 int ivtv_debug;
134 #ifdef CONFIG_VIDEO_ADV_DEBUG
135 int ivtv_fw_debug;
136 #endif
137 
138 static int tunertype = -1;
139 static int newi2c = -1;
140 
141 module_param_array(tuner, int, &tuner_c, 0644);
142 module_param_array(radio, int, &radio_c, 0644);
143 module_param_array(cardtype, int, &cardtype_c, 0644);
144 module_param_string(pal, pal, sizeof(pal), 0644);
145 module_param_string(secam, secam, sizeof(secam), 0644);
146 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
147 module_param_named(debug,ivtv_debug, int, 0644);
148 #ifdef CONFIG_VIDEO_ADV_DEBUG
149 module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
150 #endif
151 module_param(ivtv_pci_latency, int, 0644);
152 module_param(ivtv_yuv_mode, int, 0644);
153 module_param(ivtv_yuv_threshold, int, 0644);
154 module_param(ivtv_first_minor, int, 0644);
155 
156 module_param(enc_mpg_buffers, int, 0644);
157 module_param(enc_yuv_buffers, int, 0644);
158 module_param(enc_vbi_buffers, int, 0644);
159 module_param(enc_pcm_buffers, int, 0644);
160 module_param(dec_mpg_buffers, int, 0644);
161 module_param(dec_yuv_buffers, int, 0644);
162 module_param(dec_vbi_buffers, int, 0644);
163 
164 module_param(tunertype, int, 0644);
165 module_param(newi2c, int, 0644);
166 module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
167 
168 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
169 			"\t\t\tsee tuner.h for values");
170 MODULE_PARM_DESC(radio,
171 		 "Enable or disable the radio. Use only if autodetection\n"
172 		 "\t\t\tfails. 0 = disable, 1 = enable");
173 MODULE_PARM_DESC(cardtype,
174 		 "Only use this option if your card is not detected properly.\n"
175 		 "\t\tSpecify card type:\n"
176 		 "\t\t\t 1 = WinTV PVR 250\n"
177 		 "\t\t\t 2 = WinTV PVR 350\n"
178 		 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
179 		 "\t\t\t 4 = AVerMedia M179\n"
180 		 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
181 		 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
182 		 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
183 		 "\t\t\t 8 = Adaptec AVC-2410\n"
184 		 "\t\t\t 9 = Adaptec AVC-2010\n"
185 		 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
186 		 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
187 		 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
188 		 "\t\t\t13 = I/O Data GV-MVP/RX\n"
189 		 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
190 		 "\t\t\t15 = GOTVIEW PCI DVD\n"
191 		 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
192 		 "\t\t\t17 = Yuan MPC622\n"
193 		 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
194 		 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
195 		 "\t\t\t20 = Club3D ZAP-TV1x01\n"
196 		 "\t\t\t21 = AverTV MCE 116 Plus\n"
197 		 "\t\t\t22 = ASUS Falcon2\n"
198 		 "\t\t\t23 = AverMedia PVR-150 Plus\n"
199 		 "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
200 		 "\t\t\t25 = AverMedia M104 (not yet working)\n"
201 		 "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
202 		 "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
203 		 "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
204 		 "\t\t\t 0 = Autodetect (default)\n"
205 		 "\t\t\t-1 = Ignore this card\n\t\t");
206 MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
207 MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
208 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
209 MODULE_PARM_DESC(tunertype,
210 		"Specify tuner type:\n"
211 		"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
212 		"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
213 		"\t\t\t-1 = Autodetect (default)\n");
214 MODULE_PARM_DESC(debug,
215 		 "Debug level (bitmask). Default: 0\n"
216 		 "\t\t\t   1/0x0001: warning\n"
217 		 "\t\t\t   2/0x0002: info\n"
218 		 "\t\t\t   4/0x0004: mailbox\n"
219 		 "\t\t\t   8/0x0008: ioctl\n"
220 		 "\t\t\t  16/0x0010: file\n"
221 		 "\t\t\t  32/0x0020: dma\n"
222 		 "\t\t\t  64/0x0040: irq\n"
223 		 "\t\t\t 128/0x0080: decoder\n"
224 		 "\t\t\t 256/0x0100: yuv\n"
225 		 "\t\t\t 512/0x0200: i2c\n"
226 		 "\t\t\t1024/0x0400: high volume\n");
227 #ifdef CONFIG_VIDEO_ADV_DEBUG
228 MODULE_PARM_DESC(fw_debug,
229 		 "Enable code for debugging firmware problems.  Default: 0\n");
230 #endif
231 MODULE_PARM_DESC(ivtv_pci_latency,
232 		 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
233 		 "\t\t\tDefault: Yes");
234 MODULE_PARM_DESC(ivtv_yuv_mode,
235 		 "Specify the yuv playback mode:\n"
236 		 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
237 		 "\t\t\tDefault: 0 (interlaced)");
238 MODULE_PARM_DESC(ivtv_yuv_threshold,
239 		 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
240 		 "\t\t\tDefault: 480");
241 MODULE_PARM_DESC(enc_mpg_buffers,
242 		 "Encoder MPG Buffers (in MB)\n"
243 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
244 MODULE_PARM_DESC(enc_yuv_buffers,
245 		 "Encoder YUV Buffers (in MB)\n"
246 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
247 MODULE_PARM_DESC(enc_vbi_buffers,
248 		 "Encoder VBI Buffers (in MB)\n"
249 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
250 MODULE_PARM_DESC(enc_pcm_buffers,
251 		 "Encoder PCM buffers (in kB)\n"
252 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
253 MODULE_PARM_DESC(dec_mpg_buffers,
254 		 "Decoder MPG buffers (in MB)\n"
255 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
256 MODULE_PARM_DESC(dec_yuv_buffers,
257 		 "Decoder YUV buffers (in MB)\n"
258 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
259 MODULE_PARM_DESC(dec_vbi_buffers,
260 		 "Decoder VBI buffers (in kB)\n"
261 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
262 MODULE_PARM_DESC(newi2c,
263 		 "Use new I2C implementation\n"
264 		 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
265 		 "\t\t\tDefault is autodetect");
266 MODULE_PARM_DESC(i2c_clock_period,
267 		 "Period of SCL for the I2C bus controlled by the CX23415/6\n"
268 		 "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
269 		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
270 
271 MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
272 
273 MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
274 MODULE_DESCRIPTION("CX23415/CX23416 driver");
275 MODULE_SUPPORTED_DEVICE
276     ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
277 		"\t\t\tYuan MPG series and similar)");
278 MODULE_LICENSE("GPL");
279 
280 MODULE_VERSION(IVTV_VERSION);
281 
ivtv_clear_irq_mask(struct ivtv * itv,u32 mask)282 void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
283 {
284 	itv->irqmask &= ~mask;
285 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
286 }
287 
ivtv_set_irq_mask(struct ivtv * itv,u32 mask)288 void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
289 {
290 	itv->irqmask |= mask;
291 	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
292 }
293 
ivtv_set_output_mode(struct ivtv * itv,int mode)294 int ivtv_set_output_mode(struct ivtv *itv, int mode)
295 {
296     int old_mode;
297 
298     spin_lock(&itv->lock);
299     old_mode = itv->output_mode;
300     if (old_mode == 0)
301 	itv->output_mode = old_mode = mode;
302     spin_unlock(&itv->lock);
303     return old_mode;
304 }
305 
ivtv_get_output_stream(struct ivtv * itv)306 struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
307 {
308 	switch (itv->output_mode) {
309 	case OUT_MPG:
310 		return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
311 	case OUT_YUV:
312 		return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
313 	default:
314 		return NULL;
315 	}
316 }
317 
ivtv_waitq(wait_queue_head_t * waitq)318 int ivtv_waitq(wait_queue_head_t *waitq)
319 {
320 	DEFINE_WAIT(wait);
321 
322 	prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
323 	schedule();
324 	finish_wait(waitq, &wait);
325 	return signal_pending(current) ? -EINTR : 0;
326 }
327 
328 /* Generic utility functions */
ivtv_msleep_timeout(unsigned int msecs,int intr)329 int ivtv_msleep_timeout(unsigned int msecs, int intr)
330 {
331 	int timeout = msecs_to_jiffies(msecs);
332 
333 	do {
334 		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
335 		timeout = schedule_timeout(timeout);
336 		if (intr) {
337 			int ret = signal_pending(current);
338 
339 			if (ret)
340 				return ret;
341 		}
342 	} while (timeout);
343 	return 0;
344 }
345 
346 /* Release ioremapped memory */
ivtv_iounmap(struct ivtv * itv)347 static void ivtv_iounmap(struct ivtv *itv)
348 {
349 	if (itv == NULL)
350 		return;
351 
352 	/* Release registers memory */
353 	if (itv->reg_mem != NULL) {
354 		IVTV_DEBUG_INFO("releasing reg_mem\n");
355 		iounmap(itv->reg_mem);
356 		itv->reg_mem = NULL;
357 	}
358 	/* Release io memory */
359 	if (itv->has_cx23415 && itv->dec_mem != NULL) {
360 		IVTV_DEBUG_INFO("releasing dec_mem\n");
361 		iounmap(itv->dec_mem);
362 	}
363 	itv->dec_mem = NULL;
364 
365 	/* Release io memory */
366 	if (itv->enc_mem != NULL) {
367 		IVTV_DEBUG_INFO("releasing enc_mem\n");
368 		iounmap(itv->enc_mem);
369 		itv->enc_mem = NULL;
370 	}
371 }
372 
373 /* Hauppauge card? get values from tveeprom */
ivtv_read_eeprom(struct ivtv * itv,struct tveeprom * tv)374 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
375 {
376 	u8 eedata[256];
377 
378 	itv->i2c_client.addr = 0xA0 >> 1;
379 	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
380 	tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
381 }
382 
ivtv_process_eeprom(struct ivtv * itv)383 static void ivtv_process_eeprom(struct ivtv *itv)
384 {
385 	struct tveeprom tv;
386 	int pci_slot = PCI_SLOT(itv->pdev->devfn);
387 
388 	ivtv_read_eeprom(itv, &tv);
389 
390 	/* Many thanks to Steven Toth from Hauppauge for providing the
391 	   model numbers */
392 	switch (tv.model) {
393 		/* In a few cases the PCI subsystem IDs do not correctly
394 		   identify the card. A better method is to check the
395 		   model number from the eeprom instead. */
396 		case 30012 ... 30039:  /* Low profile PVR250 */
397 		case 32000 ... 32999:
398 		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */
399 		case 48400 ... 48599:
400 			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
401 			break;
402 		case 48100 ... 48399:
403 		case 48600 ... 48999:
404 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
405 			break;
406 		case 23000 ... 23999:  /* PVR500 */
407 		case 25000 ... 25999:  /* Low profile PVR150 */
408 		case 26000 ... 26999:  /* Regular PVR150 */
409 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
410 			break;
411 		case 0:
412 			IVTV_ERR("Invalid EEPROM\n");
413 			return;
414 		default:
415 			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
416 			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
417 			break;
418 	}
419 
420 	switch (tv.model) {
421 		/* Old style PVR350 (with an saa7114) uses this input for
422 		   the tuner. */
423 		case 48254:
424 			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
425 			break;
426 		default:
427 			break;
428 	}
429 
430 	itv->v4l2_cap = itv->card->v4l2_capabilities;
431 	itv->card_name = itv->card->name;
432 	itv->card_i2c = itv->card->i2c;
433 
434 	/* If this is a PVR500 then it should be possible to detect whether it is the
435 	   first or second unit by looking at the subsystem device ID: is bit 4 is
436 	   set, then it is the second unit (according to info from Hauppauge).
437 
438 	   However, while this works for most cards, I have seen a few PVR500 cards
439 	   where both units have the same subsystem ID.
440 
441 	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
442 	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
443 	   it is the second unit. It is possible that it is a different slot when ivtv is
444 	   used in Xen, in that case I ignore this card here. The worst that can happen
445 	   is that the card presents itself with a non-working radio device.
446 
447 	   This detection is needed since the eeprom reports incorrectly that a radio is
448 	   present on the second unit. */
449 	if (tv.model / 1000 == 23) {
450 		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
451 			.radio = { 0x60, I2C_CLIENT_END },
452 			.demod = { 0x43, I2C_CLIENT_END },
453 			.tv = { 0x61, I2C_CLIENT_END },
454 		};
455 
456 		itv->card_name = "WinTV PVR 500";
457 		itv->card_i2c = &ivtv_i2c_radio;
458 		if (pci_slot == 8 || pci_slot == 9) {
459 			int is_first = (pci_slot & 1) == 0;
460 
461 			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
462 						    "WinTV PVR 500 (unit #2)";
463 			if (!is_first) {
464 				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
465 				tv.has_radio = 0;
466 			}
467 		}
468 	}
469 	IVTV_INFO("Autodetected %s\n", itv->card_name);
470 
471 	switch (tv.tuner_hauppauge_model) {
472 		case 85:
473 		case 99:
474 		case 112:
475 			itv->pvr150_workaround = 1;
476 			break;
477 		default:
478 			break;
479 	}
480 	if (tv.tuner_type == TUNER_ABSENT)
481 		IVTV_ERR("tveeprom cannot autodetect tuner!\n");
482 
483 	if (itv->options.tuner == -1)
484 		itv->options.tuner = tv.tuner_type;
485 	if (itv->options.radio == -1)
486 		itv->options.radio = (tv.has_radio != 0);
487 	/* only enable newi2c if an IR blaster is present */
488 	if (itv->options.newi2c == -1 && tv.has_ir) {
489 		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
490 		if (itv->options.newi2c) {
491 		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
492 		    exit_ivtv_i2c(itv);
493 		    init_ivtv_i2c(itv);
494 		}
495 	}
496 
497 	if (itv->std != 0)
498 		/* user specified tuner standard */
499 		return;
500 
501 	/* autodetect tuner standard */
502 	if (tv.tuner_formats & V4L2_STD_PAL) {
503 		IVTV_DEBUG_INFO("PAL tuner detected\n");
504 		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
505 	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
506 		IVTV_DEBUG_INFO("NTSC tuner detected\n");
507 		itv->std |= V4L2_STD_NTSC_M;
508 	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
509 		IVTV_DEBUG_INFO("SECAM tuner detected\n");
510 		itv->std |= V4L2_STD_SECAM_L;
511 	} else {
512 		IVTV_INFO("No tuner detected, default to NTSC-M\n");
513 		itv->std |= V4L2_STD_NTSC_M;
514 	}
515 }
516 
ivtv_parse_std(struct ivtv * itv)517 static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
518 {
519 	switch (pal[0]) {
520 		case '6':
521 			tunertype = 0;
522 			return V4L2_STD_PAL_60;
523 		case 'b':
524 		case 'B':
525 		case 'g':
526 		case 'G':
527 		case 'h':
528 		case 'H':
529 			tunertype = 0;
530 			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
531 		case 'n':
532 		case 'N':
533 			tunertype = 1;
534 			if (pal[1] == 'c' || pal[1] == 'C')
535 				return V4L2_STD_PAL_Nc;
536 			return V4L2_STD_PAL_N;
537 		case 'i':
538 		case 'I':
539 			tunertype = 0;
540 			return V4L2_STD_PAL_I;
541 		case 'd':
542 		case 'D':
543 		case 'k':
544 		case 'K':
545 			tunertype = 0;
546 			return V4L2_STD_PAL_DK;
547 		case 'M':
548 		case 'm':
549 			tunertype = 1;
550 			return V4L2_STD_PAL_M;
551 		case '-':
552 			break;
553 		default:
554 			IVTV_WARN("pal= argument not recognised\n");
555 			return 0;
556 	}
557 
558 	switch (secam[0]) {
559 		case 'b':
560 		case 'B':
561 		case 'g':
562 		case 'G':
563 		case 'h':
564 		case 'H':
565 			tunertype = 0;
566 			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
567 		case 'd':
568 		case 'D':
569 		case 'k':
570 		case 'K':
571 			tunertype = 0;
572 			return V4L2_STD_SECAM_DK;
573 		case 'l':
574 		case 'L':
575 			tunertype = 0;
576 			if (secam[1] == 'C' || secam[1] == 'c')
577 				return V4L2_STD_SECAM_LC;
578 			return V4L2_STD_SECAM_L;
579 		case '-':
580 			break;
581 		default:
582 			IVTV_WARN("secam= argument not recognised\n");
583 			return 0;
584 	}
585 
586 	switch (ntsc[0]) {
587 		case 'm':
588 		case 'M':
589 			tunertype = 1;
590 			return V4L2_STD_NTSC_M;
591 		case 'j':
592 		case 'J':
593 			tunertype = 1;
594 			return V4L2_STD_NTSC_M_JP;
595 		case 'k':
596 		case 'K':
597 			tunertype = 1;
598 			return V4L2_STD_NTSC_M_KR;
599 		case '-':
600 			break;
601 		default:
602 			IVTV_WARN("ntsc= argument not recognised\n");
603 			return 0;
604 	}
605 
606 	/* no match found */
607 	return 0;
608 }
609 
ivtv_process_options(struct ivtv * itv)610 static void ivtv_process_options(struct ivtv *itv)
611 {
612 	const char *chipname;
613 	int i, j;
614 
615 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
616 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
617 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
618 	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
619 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
620 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
621 	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
622 	itv->options.cardtype = cardtype[itv->instance];
623 	itv->options.tuner = tuner[itv->instance];
624 	itv->options.radio = radio[itv->instance];
625 
626 	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
627 	if (itv->options.i2c_clock_period == -1)
628 		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
629 	else if (itv->options.i2c_clock_period < 10)
630 		itv->options.i2c_clock_period = 10;
631 	else if (itv->options.i2c_clock_period > 4500)
632 		itv->options.i2c_clock_period = 4500;
633 
634 	itv->options.newi2c = newi2c;
635 	if (tunertype < -1 || tunertype > 1) {
636 		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
637 		tunertype = -1;
638 	}
639 	itv->std = ivtv_parse_std(itv);
640 	if (itv->std == 0 && tunertype >= 0)
641 		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
642 	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
643 	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
644 	if (itv->options.cardtype == -1) {
645 		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
646 		return;
647 	}
648 	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
649 		IVTV_INFO("User specified %s card (detected %s based chip)\n",
650 				itv->card->name, chipname);
651 	} else if (itv->options.cardtype != 0) {
652 		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
653 	}
654 	if (itv->card == NULL) {
655 		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
656 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
657 		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
658 			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
659 			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
660 					chipname);
661 		}
662 	}
663 	if (itv->card == NULL) {
664 		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
665 			if (itv->card->pci_list == NULL)
666 				continue;
667 			for (j = 0; itv->card->pci_list[j].device; j++) {
668 				if (itv->pdev->device !=
669 				    itv->card->pci_list[j].device)
670 					continue;
671 				if (itv->pdev->subsystem_vendor !=
672 				    itv->card->pci_list[j].subsystem_vendor)
673 					continue;
674 				if (itv->pdev->subsystem_device !=
675 				    itv->card->pci_list[j].subsystem_device)
676 					continue;
677 				IVTV_INFO("Autodetected %s card (%s based)\n",
678 						itv->card->name, chipname);
679 				goto done;
680 			}
681 		}
682 	}
683 done:
684 
685 	if (itv->card == NULL) {
686 		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
687 		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
688 		     itv->pdev->vendor, itv->pdev->device);
689 		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",
690 		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
691 		IVTV_ERR("              %s based\n", chipname);
692 		IVTV_ERR("Defaulting to %s card\n", itv->card->name);
693 		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
694 		IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
695 		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
696 	}
697 	itv->v4l2_cap = itv->card->v4l2_capabilities;
698 	itv->card_name = itv->card->name;
699 	itv->card_i2c = itv->card->i2c;
700 }
701 
702 /* Precondition: the ivtv structure has been memset to 0. Only
703    the dev and num fields have been filled in.
704    No assumptions on the card type may be made here (see ivtv_init_struct2
705    for that).
706  */
ivtv_init_struct1(struct ivtv * itv)707 static int __devinit ivtv_init_struct1(struct ivtv *itv)
708 {
709 	struct sched_param param = { .sched_priority = 99 };
710 
711 	itv->base_addr = pci_resource_start(itv->pdev, 0);
712 	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
713 	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
714 
715 	mutex_init(&itv->serialize_lock);
716 	mutex_init(&itv->i2c_bus_lock);
717 	mutex_init(&itv->udma.lock);
718 
719 	spin_lock_init(&itv->lock);
720 	spin_lock_init(&itv->dma_reg_lock);
721 
722 	init_kthread_worker(&itv->irq_worker);
723 	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
724 					   itv->v4l2_dev.name);
725 	if (IS_ERR(itv->irq_worker_task)) {
726 		IVTV_ERR("Could not create ivtv task\n");
727 		return -1;
728 	}
729 	/* must use the FIFO scheduler as it is realtime sensitive */
730 	sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
731 
732 	init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
733 
734 	/* Initial settings */
735 	itv->cxhdl.port = CX2341X_PORT_MEMORY;
736 	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
737 	init_waitqueue_head(&itv->eos_waitq);
738 	init_waitqueue_head(&itv->event_waitq);
739 	init_waitqueue_head(&itv->vsync_waitq);
740 	init_waitqueue_head(&itv->dma_waitq);
741 	init_timer(&itv->dma_timer);
742 	itv->dma_timer.function = ivtv_unfinished_dma;
743 	itv->dma_timer.data = (unsigned long)itv;
744 
745 	itv->cur_dma_stream = -1;
746 	itv->cur_pio_stream = -1;
747 
748 	/* Ctrls */
749 	itv->speed = 1000;
750 
751 	/* VBI */
752 	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
753 	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
754 
755 	/* Init the sg table for osd/yuv output */
756 	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
757 
758 	/* OSD */
759 	itv->osd_global_alpha_state = 1;
760 	itv->osd_global_alpha = 255;
761 
762 	/* YUV */
763 	atomic_set(&itv->yuv_info.next_dma_frame, -1);
764 	itv->yuv_info.lace_mode = ivtv_yuv_mode;
765 	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
766 	itv->yuv_info.max_frames_buffered = 3;
767 	itv->yuv_info.track_osd = 1;
768 	return 0;
769 }
770 
771 /* Second initialization part. Here the card type has been
772    autodetected. */
ivtv_init_struct2(struct ivtv * itv)773 static void __devinit ivtv_init_struct2(struct ivtv *itv)
774 {
775 	int i;
776 
777 	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
778 		if (itv->card->video_inputs[i].video_type == 0)
779 			break;
780 	itv->nof_inputs = i;
781 	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
782 		if (itv->card->audio_inputs[i].audio_type == 0)
783 			break;
784 	itv->nof_audio_inputs = i;
785 
786 	if (itv->card->hw_all & IVTV_HW_CX25840) {
787 		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
788 	} else {
789 		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
790 	}
791 
792 	/* Find tuner input */
793 	for (i = 0; i < itv->nof_inputs; i++) {
794 		if (itv->card->video_inputs[i].video_type ==
795 				IVTV_CARD_INPUT_VID_TUNER)
796 			break;
797 	}
798 	if (i == itv->nof_inputs)
799 		i = 0;
800 	itv->active_input = i;
801 	itv->audio_input = itv->card->video_inputs[i].audio_index;
802 }
803 
ivtv_setup_pci(struct ivtv * itv,struct pci_dev * pdev,const struct pci_device_id * pci_id)804 static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
805 			  const struct pci_device_id *pci_id)
806 {
807 	u16 cmd;
808 	unsigned char pci_latency;
809 
810 	IVTV_DEBUG_INFO("Enabling pci device\n");
811 
812 	if (pci_enable_device(pdev)) {
813 		IVTV_ERR("Can't enable device!\n");
814 		return -EIO;
815 	}
816 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
817 		IVTV_ERR("No suitable DMA available.\n");
818 		return -EIO;
819 	}
820 	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
821 		IVTV_ERR("Cannot request encoder memory region.\n");
822 		return -EIO;
823 	}
824 
825 	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
826 				IVTV_REG_SIZE, "ivtv registers")) {
827 		IVTV_ERR("Cannot request register memory region.\n");
828 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
829 		return -EIO;
830 	}
831 
832 	if (itv->has_cx23415 &&
833 	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
834 				IVTV_DECODER_SIZE, "ivtv decoder")) {
835 		IVTV_ERR("Cannot request decoder memory region.\n");
836 		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
837 		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
838 		return -EIO;
839 	}
840 
841 	/* Check for bus mastering */
842 	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
843 	if (!(cmd & PCI_COMMAND_MASTER)) {
844 		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
845 		pci_set_master(pdev);
846 		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
847 		if (!(cmd & PCI_COMMAND_MASTER)) {
848 			IVTV_ERR("Bus Mastering is not enabled\n");
849 			return -ENXIO;
850 		}
851 	}
852 	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
853 
854 	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
855 
856 	if (pci_latency < 64 && ivtv_pci_latency) {
857 		IVTV_INFO("Unreasonably low latency timer, "
858 			       "setting to 64 (was %d)\n", pci_latency);
859 		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
860 		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
861 	}
862 	/* This config space value relates to DMA latencies. The
863 	   default value 0x8080 is too low however and will lead
864 	   to DMA errors. 0xffff is the max value which solves
865 	   these problems. */
866 	pci_write_config_dword(pdev, 0x40, 0xffff);
867 
868 	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
869 		   "irq: %d, latency: %d, memory: 0x%lx\n",
870 		   pdev->device, pdev->revision, pdev->bus->number,
871 		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
872 		   pdev->irq, pci_latency, (unsigned long)itv->base_addr);
873 
874 	return 0;
875 }
876 
ivtv_load_and_init_modules(struct ivtv * itv)877 static void ivtv_load_and_init_modules(struct ivtv *itv)
878 {
879 	u32 hw = itv->card->hw_all;
880 	unsigned i;
881 
882 	/* check which i2c devices are actually found */
883 	for (i = 0; i < 32; i++) {
884 		u32 device = 1 << i;
885 
886 		if (!(device & hw))
887 			continue;
888 		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
889 			/* GPIO and TVEEPROM do not use i2c probing */
890 			itv->hw_flags |= device;
891 			continue;
892 		}
893 		if (ivtv_i2c_register(itv, i) == 0)
894 			itv->hw_flags |= device;
895 	}
896 
897 	/* probe for legacy IR controllers that aren't in card definitions */
898 	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
899 		ivtv_i2c_new_ir_legacy(itv);
900 
901 	if (itv->card->hw_all & IVTV_HW_CX25840)
902 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
903 	else if (itv->card->hw_all & IVTV_HW_SAA717X)
904 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
905 	else if (itv->card->hw_all & IVTV_HW_SAA7114)
906 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
907 	else
908 		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
909 	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
910 	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
911 
912 	hw = itv->hw_flags;
913 
914 	if (itv->card->type == IVTV_CARD_CX23416GYC) {
915 		/* Several variations of this card exist, detect which card
916 		   type should be used. */
917 		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
918 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
919 		else if ((hw & IVTV_HW_UPD64031A) == 0)
920 			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
921 	}
922 	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
923 		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
924 		/* The crystal frequency of GVMVPRX is 24.576MHz */
925 		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
926 			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
927 	}
928 
929 	if (hw & IVTV_HW_CX25840) {
930 		itv->vbi.raw_decoder_line_size = 1444;
931 		itv->vbi.raw_decoder_sav_odd_field = 0x20;
932 		itv->vbi.raw_decoder_sav_even_field = 0x60;
933 		itv->vbi.sliced_decoder_line_size = 272;
934 		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
935 		itv->vbi.sliced_decoder_sav_even_field = 0xF0;
936 	}
937 
938 	if (hw & IVTV_HW_SAA711X) {
939 		struct v4l2_dbg_chip_ident v;
940 
941 		/* determine the exact saa711x model */
942 		itv->hw_flags &= ~IVTV_HW_SAA711X;
943 
944 		v.match.type = V4L2_CHIP_MATCH_I2C_DRIVER;
945 		strlcpy(v.match.name, "saa7115", sizeof(v.match.name));
946 		ivtv_call_hw(itv, IVTV_HW_SAA711X, core, g_chip_ident, &v);
947 		if (v.ident == V4L2_IDENT_SAA7114) {
948 			itv->hw_flags |= IVTV_HW_SAA7114;
949 			/* VBI is not yet supported by the saa7114 driver. */
950 			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
951 		} else {
952 			itv->hw_flags |= IVTV_HW_SAA7115;
953 		}
954 		itv->vbi.raw_decoder_line_size = 1443;
955 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
956 		itv->vbi.raw_decoder_sav_even_field = 0x62;
957 		itv->vbi.sliced_decoder_line_size = 51;
958 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
959 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
960 	}
961 
962 	if (hw & IVTV_HW_SAA717X) {
963 		itv->vbi.raw_decoder_line_size = 1443;
964 		itv->vbi.raw_decoder_sav_odd_field = 0x25;
965 		itv->vbi.raw_decoder_sav_even_field = 0x62;
966 		itv->vbi.sliced_decoder_line_size = 51;
967 		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
968 		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
969 	}
970 }
971 
ivtv_probe(struct pci_dev * pdev,const struct pci_device_id * pci_id)972 static int __devinit ivtv_probe(struct pci_dev *pdev,
973 				const struct pci_device_id *pci_id)
974 {
975 	int retval = 0;
976 	int vbi_buf_size;
977 	struct ivtv *itv;
978 
979 	itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
980 	if (itv == NULL)
981 		return -ENOMEM;
982 	itv->pdev = pdev;
983 	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
984 						&ivtv_instance);
985 
986 	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
987 	if (retval) {
988 		kfree(itv);
989 		return retval;
990 	}
991 	IVTV_INFO("Initializing card %d\n", itv->instance);
992 
993 	ivtv_process_options(itv);
994 	if (itv->options.cardtype == -1) {
995 		retval = -ENODEV;
996 		goto err;
997 	}
998 	if (ivtv_init_struct1(itv)) {
999 		retval = -ENOMEM;
1000 		goto err;
1001 	}
1002 	retval = cx2341x_handler_init(&itv->cxhdl, 50);
1003 	if (retval)
1004 		goto err;
1005 	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1006 	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1007 	itv->cxhdl.priv = itv;
1008 	itv->cxhdl.func = ivtv_api_func;
1009 
1010 	IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr);
1011 
1012 	/* PCI Device Setup */
1013 	retval = ivtv_setup_pci(itv, pdev, pci_id);
1014 	if (retval == -EIO)
1015 		goto free_worker;
1016 	if (retval == -ENXIO)
1017 		goto free_mem;
1018 
1019 	/* map io memory */
1020 	IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1021 		   itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1022 	itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1023 				       IVTV_ENCODER_SIZE);
1024 	if (!itv->enc_mem) {
1025 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1026 			 "encoder memory\n");
1027 		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
1028 			 "vmalloc address space for this window\n");
1029 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1030 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1031 			 "VmallocTotal to a larger value\n");
1032 		retval = -ENOMEM;
1033 		goto free_mem;
1034 	}
1035 
1036 	if (itv->has_cx23415) {
1037 		IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1038 				itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1039 		itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1040 				IVTV_DECODER_SIZE);
1041 		if (!itv->dec_mem) {
1042 			IVTV_ERR("ioremap failed. Can't get a window into "
1043 				 "CX23415 decoder memory\n");
1044 			IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
1045 				 "of vmalloc address space for this window\n");
1046 			IVTV_ERR("Check the output of 'grep Vmalloc "
1047 				 "/proc/meminfo'\n");
1048 			IVTV_ERR("Use the vmalloc= kernel command line option "
1049 				 "to set VmallocTotal to a larger value\n");
1050 			retval = -ENOMEM;
1051 			goto free_mem;
1052 		}
1053 	}
1054 	else {
1055 		itv->dec_mem = itv->enc_mem;
1056 	}
1057 
1058 	/* map registers memory */
1059 	IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1060 		   itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1061 	itv->reg_mem =
1062 	    ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1063 	if (!itv->reg_mem) {
1064 		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1065 			 "register space\n");
1066 		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
1067 			 "vmalloc address space for this window\n");
1068 		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1069 		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1070 			 "VmallocTotal to a larger value\n");
1071 		retval = -ENOMEM;
1072 		goto free_io;
1073 	}
1074 
1075 	retval = ivtv_gpio_init(itv);
1076 	if (retval)
1077 		goto free_io;
1078 
1079 	/* active i2c  */
1080 	IVTV_DEBUG_INFO("activating i2c...\n");
1081 	if (init_ivtv_i2c(itv)) {
1082 		IVTV_ERR("Could not initialize i2c\n");
1083 		goto free_io;
1084 	}
1085 
1086 	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1087 		/* Based on the model number the cardtype may be changed.
1088 		   The PCI IDs are not always reliable. */
1089 		ivtv_process_eeprom(itv);
1090 	}
1091 	if (itv->card->comment)
1092 		IVTV_INFO("%s", itv->card->comment);
1093 	if (itv->card->v4l2_capabilities == 0) {
1094 		/* card was detected but is not supported */
1095 		retval = -ENODEV;
1096 		goto free_i2c;
1097 	}
1098 
1099 	if (itv->std == 0) {
1100 		itv->std = V4L2_STD_NTSC_M;
1101 	}
1102 
1103 	if (itv->options.tuner == -1) {
1104 		int i;
1105 
1106 		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1107 			if ((itv->std & itv->card->tuners[i].std) == 0)
1108 				continue;
1109 			itv->options.tuner = itv->card->tuners[i].tuner;
1110 			break;
1111 		}
1112 	}
1113 	/* if no tuner was found, then pick the first tuner in the card list */
1114 	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1115 		itv->std = itv->card->tuners[0].std;
1116 		if (itv->std & V4L2_STD_PAL)
1117 			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1118 		else if (itv->std & V4L2_STD_NTSC)
1119 			itv->std = V4L2_STD_NTSC_M;
1120 		else if (itv->std & V4L2_STD_SECAM)
1121 			itv->std = V4L2_STD_SECAM_L;
1122 		itv->options.tuner = itv->card->tuners[0].tuner;
1123 	}
1124 	if (itv->options.radio == -1)
1125 		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1126 
1127 	/* The card is now fully identified, continue with card-specific
1128 	   initialization. */
1129 	ivtv_init_struct2(itv);
1130 
1131 	ivtv_load_and_init_modules(itv);
1132 
1133 	if (itv->std & V4L2_STD_525_60) {
1134 		itv->is_60hz = 1;
1135 		itv->is_out_60hz = 1;
1136 	} else {
1137 		itv->is_50hz = 1;
1138 		itv->is_out_50hz = 1;
1139 	}
1140 
1141 	itv->yuv_info.osd_full_w = 720;
1142 	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1143 	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1144 	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1145 
1146 	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1147 
1148 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1149 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1150 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1151 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1152 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1153 
1154 	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1155 	   It is possible to switch between PAL and NTSC, so we need to
1156 	   take the largest size here. */
1157 	/* 1456 is multiple of 16, real size = 1444 */
1158 	itv->vbi.raw_size = 1456;
1159 	/* We use a buffer size of 1/2 of the total size needed for a
1160 	   frame. This is actually very useful, since we now receive
1161 	   a field at a time and that makes 'compressing' the raw data
1162 	   down to size by stripping off the SAV codes a lot easier.
1163 	   Note: having two different buffer sizes prevents standard
1164 	   switching on the fly. We need to find a better solution... */
1165 	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1166 	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1167 	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1168 
1169 	if (itv->options.radio > 0)
1170 		itv->v4l2_cap |= V4L2_CAP_RADIO;
1171 
1172 	if (itv->options.tuner > -1) {
1173 		struct tuner_setup setup;
1174 
1175 		setup.addr = ADDR_UNSET;
1176 		setup.type = itv->options.tuner;
1177 		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1178 		if (itv->options.radio > 0)
1179 			setup.mode_mask |= T_RADIO;
1180 		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1181 			ivtv_reset_tuner_gpio : NULL;
1182 		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1183 		if (setup.type == TUNER_XC2028) {
1184 			static struct xc2028_ctrl ctrl = {
1185 				.fname = XC2028_DEFAULT_FIRMWARE,
1186 				.max_len = 64,
1187 			};
1188 			struct v4l2_priv_tun_config cfg = {
1189 				.tuner = itv->options.tuner,
1190 				.priv = &ctrl,
1191 			};
1192 			ivtv_call_all(itv, tuner, s_config, &cfg);
1193 		}
1194 	}
1195 
1196 	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1197 	   are not. */
1198 	itv->tuner_std = itv->std;
1199 
1200 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1201 		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1202 
1203 		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1204 				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 1, 0);
1205 		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1206 				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0x7fffffff, 1, 0);
1207 		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1208 		   mask that menu item. */
1209 		itv->ctrl_audio_playback =
1210 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1211 				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1212 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1213 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1214 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1215 		itv->ctrl_audio_multilingual_playback =
1216 			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1217 				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1218 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1219 				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1220 				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1221 		if (hdl->error) {
1222 			retval = hdl->error;
1223 			goto free_i2c;
1224 		}
1225 		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1226 		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1227 		ivtv_call_all(itv, video, s_std_output, itv->std);
1228 		/* Turn off the output signal. The mpeg decoder is not yet
1229 		   active so without this you would get a green image until the
1230 		   mpeg decoder becomes active. */
1231 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1232 	}
1233 
1234 	/* clear interrupt mask, effectively disabling interrupts */
1235 	ivtv_set_irq_mask(itv, 0xffffffff);
1236 
1237 	/* Register IRQ */
1238 	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1239 	     IRQF_SHARED | IRQF_DISABLED, itv->v4l2_dev.name, (void *)itv);
1240 	if (retval) {
1241 		IVTV_ERR("Failed to register irq %d\n", retval);
1242 		goto free_i2c;
1243 	}
1244 
1245 	retval = ivtv_streams_setup(itv);
1246 	if (retval) {
1247 		IVTV_ERR("Error %d setting up streams\n", retval);
1248 		goto free_irq;
1249 	}
1250 	retval = ivtv_streams_register(itv);
1251 	if (retval) {
1252 		IVTV_ERR("Error %d registering devices\n", retval);
1253 		goto free_streams;
1254 	}
1255 	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1256 	return 0;
1257 
1258 free_streams:
1259 	ivtv_streams_cleanup(itv, 1);
1260 free_irq:
1261 	free_irq(itv->pdev->irq, (void *)itv);
1262 free_i2c:
1263 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1264 	exit_ivtv_i2c(itv);
1265 free_io:
1266 	ivtv_iounmap(itv);
1267 free_mem:
1268 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1269 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1270 	if (itv->has_cx23415)
1271 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1272 free_worker:
1273 	kthread_stop(itv->irq_worker_task);
1274 err:
1275 	if (retval == 0)
1276 		retval = -ENODEV;
1277 	IVTV_ERR("Error %d on initialization\n", retval);
1278 
1279 	v4l2_device_unregister(&itv->v4l2_dev);
1280 	kfree(itv);
1281 	return retval;
1282 }
1283 
ivtv_init_on_first_open(struct ivtv * itv)1284 int ivtv_init_on_first_open(struct ivtv *itv)
1285 {
1286 	struct v4l2_frequency vf;
1287 	/* Needed to call ioctls later */
1288 	struct ivtv_open_id fh;
1289 	int fw_retry_count = 3;
1290 	int video_input;
1291 
1292 	fh.itv = itv;
1293 
1294 	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1295 		return -ENXIO;
1296 
1297 	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1298 		return 0;
1299 
1300 	while (--fw_retry_count > 0) {
1301 		/* load firmware */
1302 		if (ivtv_firmware_init(itv) == 0)
1303 			break;
1304 		if (fw_retry_count > 1)
1305 			IVTV_WARN("Retry loading firmware\n");
1306 	}
1307 
1308 	if (fw_retry_count == 0) {
1309 		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1310 		return -ENXIO;
1311 	}
1312 
1313 	/* Try and get firmware versions */
1314 	IVTV_DEBUG_INFO("Getting firmware version..\n");
1315 	ivtv_firmware_versions(itv);
1316 
1317 	if (itv->card->hw_all & IVTV_HW_CX25840)
1318 		v4l2_subdev_call(itv->sd_video, core, load_fw);
1319 
1320 	vf.tuner = 0;
1321 	vf.type = V4L2_TUNER_ANALOG_TV;
1322 	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1323 
1324 	/* Set initial frequency. For PAL/SECAM broadcasts no
1325 	   'default' channel exists AFAIK. */
1326 	if (itv->std == V4L2_STD_NTSC_M_JP) {
1327 		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1328 	}
1329 	else if (itv->std & V4L2_STD_NTSC_M) {
1330 		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1331 	}
1332 
1333 	video_input = itv->active_input;
1334 	itv->active_input++;	/* Force update of input */
1335 	ivtv_s_input(NULL, &fh, video_input);
1336 
1337 	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1338 	   in one place. */
1339 	itv->std++;		/* Force full standard initialization */
1340 	itv->std_out = itv->std;
1341 	ivtv_s_frequency(NULL, &fh, &vf);
1342 
1343 	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1344 		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1345 		   the mpeg decoder so now the saa7127 receives a proper
1346 		   signal. */
1347 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1348 		ivtv_init_mpeg_decoder(itv);
1349 	}
1350 
1351 	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1352 	if (!itv->has_cx23415)
1353 		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1354 
1355 	ivtv_s_std_enc(itv, &itv->tuner_std);
1356 
1357 	/* Default interrupts enabled. For the PVR350 this includes the
1358 	   decoder VSYNC interrupt, which is always on. It is not only used
1359 	   during decoding but also by the OSD.
1360 	   Some old PVR250 cards had a cx23415, so testing for that is too
1361 	   general. Instead test if the card has video output capability. */
1362 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1363 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1364 		ivtv_set_osd_alpha(itv);
1365 		ivtv_s_std_dec(itv, &itv->tuner_std);
1366 	} else {
1367 		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1368 	}
1369 
1370 	/* Setup initial controls */
1371 	cx2341x_handler_setup(&itv->cxhdl);
1372 	return 0;
1373 }
1374 
ivtv_remove(struct pci_dev * pdev)1375 static void ivtv_remove(struct pci_dev *pdev)
1376 {
1377 	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1378 	struct ivtv *itv = to_ivtv(v4l2_dev);
1379 	int i;
1380 
1381 	IVTV_DEBUG_INFO("Removing card\n");
1382 
1383 	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1384 		/* Stop all captures */
1385 		IVTV_DEBUG_INFO("Stopping all streams\n");
1386 		if (atomic_read(&itv->capturing) > 0)
1387 			ivtv_stop_all_captures(itv);
1388 
1389 		/* Stop all decoding */
1390 		IVTV_DEBUG_INFO("Stopping decoding\n");
1391 
1392 		/* Turn off the TV-out */
1393 		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1394 			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1395 		if (atomic_read(&itv->decoding) > 0) {
1396 			int type;
1397 
1398 			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1399 				type = IVTV_DEC_STREAM_TYPE_YUV;
1400 			else
1401 				type = IVTV_DEC_STREAM_TYPE_MPG;
1402 			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1403 				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1404 		}
1405 		ivtv_halt_firmware(itv);
1406 	}
1407 
1408 	/* Interrupts */
1409 	ivtv_set_irq_mask(itv, 0xffffffff);
1410 	del_timer_sync(&itv->dma_timer);
1411 
1412 	/* Kill irq worker */
1413 	flush_kthread_worker(&itv->irq_worker);
1414 	kthread_stop(itv->irq_worker_task);
1415 
1416 	ivtv_streams_cleanup(itv, 1);
1417 	ivtv_udma_free(itv);
1418 
1419 	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1420 
1421 	exit_ivtv_i2c(itv);
1422 
1423 	free_irq(itv->pdev->irq, (void *)itv);
1424 	ivtv_iounmap(itv);
1425 
1426 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1427 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1428 	if (itv->has_cx23415)
1429 		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1430 
1431 	pci_disable_device(itv->pdev);
1432 	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1433 		kfree(itv->vbi.sliced_mpeg_data[i]);
1434 
1435 	printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
1436 
1437 	v4l2_device_unregister(&itv->v4l2_dev);
1438 	kfree(itv);
1439 }
1440 
1441 /* define a pci_driver for card detection */
1442 static struct pci_driver ivtv_pci_driver = {
1443       .name =     "ivtv",
1444       .id_table = ivtv_pci_tbl,
1445       .probe =    ivtv_probe,
1446       .remove =   ivtv_remove,
1447 };
1448 
module_start(void)1449 static int __init module_start(void)
1450 {
1451 	printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1452 
1453 	/* Validate parameters */
1454 	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1455 		printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1456 		     IVTV_MAX_CARDS - 1);
1457 		return -1;
1458 	}
1459 
1460 	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1461 		ivtv_debug = 0;
1462 		printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
1463 	}
1464 
1465 	if (pci_register_driver(&ivtv_pci_driver)) {
1466 		printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1467 		return -ENODEV;
1468 	}
1469 	printk(KERN_INFO "ivtv: End initialization\n");
1470 	return 0;
1471 }
1472 
module_cleanup(void)1473 static void __exit module_cleanup(void)
1474 {
1475 	pci_unregister_driver(&ivtv_pci_driver);
1476 }
1477 
1478 /* Note: These symbols are exported because they are used by the ivtvfb
1479    framebuffer module and an infrared module for the IR-blaster. */
1480 EXPORT_SYMBOL(ivtv_set_irq_mask);
1481 EXPORT_SYMBOL(ivtv_api);
1482 EXPORT_SYMBOL(ivtv_vapi);
1483 EXPORT_SYMBOL(ivtv_vapi_result);
1484 EXPORT_SYMBOL(ivtv_clear_irq_mask);
1485 EXPORT_SYMBOL(ivtv_debug);
1486 #ifdef CONFIG_VIDEO_ADV_DEBUG
1487 EXPORT_SYMBOL(ivtv_fw_debug);
1488 #endif
1489 EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1490 EXPORT_SYMBOL(ivtv_udma_setup);
1491 EXPORT_SYMBOL(ivtv_udma_unmap);
1492 EXPORT_SYMBOL(ivtv_udma_alloc);
1493 EXPORT_SYMBOL(ivtv_udma_prepare);
1494 EXPORT_SYMBOL(ivtv_init_on_first_open);
1495 EXPORT_SYMBOL(ivtv_firmware_check);
1496 
1497 module_init(module_start);
1498 module_exit(module_cleanup);
1499