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ivtv: use kthread_worker instead of workqueue
[net-next-2.6.git] / drivers / media / video / ivtv / ivtv-driver.c
CommitLineData
1a0adaf3
HV		 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"
33c0fcad 55#include "ivtv-routing.h"
1a0adaf3 56#include "ivtv-gpio.h"
1a0adaf3 57
1a0adaf3 58#include <media/tveeprom.h>
469ba047 59#include <media/saa7115.h>
1a0adaf3 60#include <media/v4l2-chip-ident.h>
0e614cd1 61#include "tuner-xc2028.h"
1a0adaf3 62
1a0adaf3
HV		 63/* If you have already X v4l cards, then set this to X. This way
64 the device numbers stay matched. Example: you have a WinTV card
65 without radio and a PVR-350 with. Normally this would give a
66 video1 device together with a radio0 device for the PVR. By
67 setting this to 1 you ensure that radio0 is now also radio1. */
dd89601d 68int ivtv_first_minor;
1a0adaf3 69
1a0adaf3
HV		 70/* add your revision and whatnot here */
71static struct pci_device_id ivtv_pci_tbl[] __devinitdata = {
72 {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
73 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
74 {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
75 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
76 {0,}
77};
78
79MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
80
67ec09fd
HV		 81/* ivtv instance counter */
82static atomic_t ivtv_instance = ATOMIC_INIT(0);
83
1a0adaf3
HV		 84/* Parameter declarations */
85static int cardtype[IVTV_MAX_CARDS];
32db7754
HV		 86static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
87 -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 };
90static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
91 -1, -1, -1, -1, -1, -1, -1, -1,
92 -1, -1, -1, -1, -1, -1, -1, -1,
93 -1, -1, -1, -1, -1, -1, -1, -1 };
f412d36a
AW		 94static int i2c_clock_period[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
95 -1, -1, -1, -1, -1, -1, -1, -1,
96 -1, -1, -1, -1, -1, -1, -1, -1,
97 -1, -1, -1, -1, -1, -1, -1, -1 };
1a0adaf3 98
64a6f950
AV		 99static unsigned int cardtype_c = 1;
100static unsigned int tuner_c = 1;
101static unsigned int radio_c = 1;
f412d36a 102static unsigned int i2c_clock_period_c = 1;
c0038ce0 103static char pal[] = "---";
1a0adaf3
HV		 104static char secam[] = "--";
105static char ntsc[] = "-";
106
107/* Buffers */
33c0fcad
HV		 108
109/* DMA Buffers, Default size in MB allocated */
110#define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
111#define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
112#define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
113/* Exception: size in kB for this stream (MB is overkill) */
114#define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
115#define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
116#define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
117/* Exception: size in kB for this stream (MB is way overkill) */
118#define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
119
1a0adaf3
HV		 120static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
121static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
122static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
123static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
124static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
125static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
126static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
127
ff699e6b
DSL		 128static int ivtv_yuv_mode;
129static int ivtv_yuv_threshold = -1;
1a0adaf3
HV		 130static int ivtv_pci_latency = 1;
131
ff699e6b 132int ivtv_debug;
1a0adaf3 133
11305d59 134static int tunertype = -1;
31ec1356 135static int newi2c = -1;
1a0adaf3
HV		 136
137module_param_array(tuner, int, &tuner_c, 0644);
138module_param_array(radio, bool, &radio_c, 0644);
139module_param_array(cardtype, int, &cardtype_c, 0644);
140module_param_string(pal, pal, sizeof(pal), 0644);
141module_param_string(secam, secam, sizeof(secam), 0644);
142module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
143module_param_named(debug,ivtv_debug, int, 0644);
144module_param(ivtv_pci_latency, int, 0644);
145module_param(ivtv_yuv_mode, int, 0644);
146module_param(ivtv_yuv_threshold, int, 0644);
147module_param(ivtv_first_minor, int, 0644);
148
149module_param(enc_mpg_buffers, int, 0644);
150module_param(enc_yuv_buffers, int, 0644);
151module_param(enc_vbi_buffers, int, 0644);
152module_param(enc_pcm_buffers, int, 0644);
153module_param(dec_mpg_buffers, int, 0644);
154module_param(dec_yuv_buffers, int, 0644);
155module_param(dec_vbi_buffers, int, 0644);
156
11305d59 157module_param(tunertype, int, 0644);
1a0adaf3 158module_param(newi2c, int, 0644);
f412d36a 159module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
1a0adaf3
HV		 160
161MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
162 "\t\t\tsee tuner.h for values");
163MODULE_PARM_DESC(radio,
164 "Enable or disable the radio. Use only if autodetection\n"
165 "\t\t\tfails. 0 = disable, 1 = enable");
166MODULE_PARM_DESC(cardtype,
167 "Only use this option if your card is not detected properly.\n"
168 "\t\tSpecify card type:\n"
169 "\t\t\t 1 = WinTV PVR 250\n"
170 "\t\t\t 2 = WinTV PVR 350\n"
171 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
172 "\t\t\t 4 = AVerMedia M179\n"
173 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
174 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
175 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
176 "\t\t\t 8 = Adaptec AVC-2410\n"
177 "\t\t\t 9 = Adaptec AVC-2010\n"
178 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
179 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
180 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
181 "\t\t\t13 = I/O Data GV-MVP/RX\n"
182 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
183 "\t\t\t15 = GOTVIEW PCI DVD\n"
184 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
185 "\t\t\t17 = Yuan MPC622\n"
186 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
37297805
HV		 187 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
188 "\t\t\t20 = Club3D ZAP-TV1x01\n"
189 "\t\t\t21 = AverTV MCE 116 Plus\n"
e2a1774d 190 "\t\t\t22 = ASUS Falcon2\n"
fdef464a 191 "\t\t\t23 = AverMedia PVR-150 Plus\n"
e08323f0 192 "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
22f23fcc 193 "\t\t\t25 = AverMedia M104 (not yet working)\n"
d56eebfb 194 "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
50364593 195 "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
7c12167b 196 "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
1a0adaf3
HV		 197 "\t\t\t 0 = Autodetect (default)\n"
198 "\t\t\t-1 = Ignore this card\n\t\t");
c0038ce0
HV		 199MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
200MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
201MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
11305d59 202MODULE_PARM_DESC(tunertype,
c0038ce0 203 "Specify tuner type:\n"
11305d59
HV		 204 "\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
205 "\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
206 "\t\t\t-1 = Autodetect (default)\n");
1a0adaf3 207MODULE_PARM_DESC(debug,
1aa32c2f
HV		 208 "Debug level (bitmask). Default: 0\n"
209 "\t\t\t 1/0x0001: warning\n"
210 "\t\t\t 2/0x0002: info\n"
211 "\t\t\t 4/0x0004: mailbox\n"
212 "\t\t\t 8/0x0008: ioctl\n"
213 "\t\t\t 16/0x0010: file\n"
214 "\t\t\t 32/0x0020: dma\n"
215 "\t\t\t 64/0x0040: irq\n"
216 "\t\t\t 128/0x0080: decoder\n"
217 "\t\t\t 256/0x0100: yuv\n"
218 "\t\t\t 512/0x0200: i2c\n"
219 "\t\t\t1024/0x0400: high volume\n");
1a0adaf3
HV		 220MODULE_PARM_DESC(ivtv_pci_latency,
221 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
222 "\t\t\tDefault: Yes");
223MODULE_PARM_DESC(ivtv_yuv_mode,
224 "Specify the yuv playback mode:\n"
225 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
226 "\t\t\tDefault: 0 (interlaced)");
227MODULE_PARM_DESC(ivtv_yuv_threshold,
228 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
ce27cd3b 229 "\t\t\tDefault: 480");
1a0adaf3
HV		 230MODULE_PARM_DESC(enc_mpg_buffers,
231 "Encoder MPG Buffers (in MB)\n"
232 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
233MODULE_PARM_DESC(enc_yuv_buffers,
234 "Encoder YUV Buffers (in MB)\n"
235 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
236MODULE_PARM_DESC(enc_vbi_buffers,
237 "Encoder VBI Buffers (in MB)\n"
238 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
239MODULE_PARM_DESC(enc_pcm_buffers,
313e91e8 240 "Encoder PCM buffers (in kB)\n"
1a0adaf3
HV		 241 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
242MODULE_PARM_DESC(dec_mpg_buffers,
243 "Decoder MPG buffers (in MB)\n"
244 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
245MODULE_PARM_DESC(dec_yuv_buffers,
246 "Decoder YUV buffers (in MB)\n"
247 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
248MODULE_PARM_DESC(dec_vbi_buffers,
313e91e8 249 "Decoder VBI buffers (in kB)\n"
1a0adaf3
HV		 250 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
251MODULE_PARM_DESC(newi2c,
252 "Use new I2C implementation\n"
253 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
254 "\t\t\tDefault is autodetect");
f412d36a
AW		 255MODULE_PARM_DESC(i2c_clock_period,
256 "Period of SCL for the I2C bus controlled by the CX23415/6\n"
257 "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
258 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
1a0adaf3 259
581644d9 260MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
1a0adaf3
HV		 261
262MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
263MODULE_DESCRIPTION("CX23415/CX23416 driver");
264MODULE_SUPPORTED_DEVICE
265 ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
266 "\t\t\tYuan MPG series and similar)");
267MODULE_LICENSE("GPL");
268
269MODULE_VERSION(IVTV_VERSION);
270
271void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
272{
273 itv->irqmask &= ~mask;
274 write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
275}
276
277void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
278{
279 itv->irqmask |= mask;
280 write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
281}
282
283int ivtv_set_output_mode(struct ivtv *itv, int mode)
284{
285 int old_mode;
286
287 spin_lock(&itv->lock);
288 old_mode = itv->output_mode;
289 if (old_mode == 0)
290 itv->output_mode = old_mode = mode;
291 spin_unlock(&itv->lock);
292 return old_mode;
293}
294
295struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
296{
297 switch (itv->output_mode) {
298 case OUT_MPG:
299 return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
300 case OUT_YUV:
301 return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
302 default:
303 return NULL;
304 }
305}
306
307int ivtv_waitq(wait_queue_head_t *waitq)
308{
309 DEFINE_WAIT(wait);
310
311 prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
312 schedule();
313 finish_wait(waitq, &wait);
314 return signal_pending(current) ? -EINTR : 0;
315}
316
317/* Generic utility functions */
201700d3 318int ivtv_msleep_timeout(unsigned int msecs, int intr)
1a0adaf3 319{
201700d3 320 int timeout = msecs_to_jiffies(msecs);
1a0adaf3
HV		 321
322 do {
323 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
324 timeout = schedule_timeout(timeout);
34a7864d
HV		 325 if (intr) {
326 int ret = signal_pending(current);
327
328 if (ret)
329 return ret;
330 }
1a0adaf3
HV		 331 } while (timeout);
332 return 0;
333}
334
335/* Release ioremapped memory */
336static void ivtv_iounmap(struct ivtv *itv)
337{
338 if (itv == NULL)
339 return;
340
341 /* Release registers memory */
342 if (itv->reg_mem != NULL) {
343 IVTV_DEBUG_INFO("releasing reg_mem\n");
344 iounmap(itv->reg_mem);
345 itv->reg_mem = NULL;
346 }
347 /* Release io memory */
348 if (itv->has_cx23415 && itv->dec_mem != NULL) {
349 IVTV_DEBUG_INFO("releasing dec_mem\n");
350 iounmap(itv->dec_mem);
351 }
352 itv->dec_mem = NULL;
353
354 /* Release io memory */
355 if (itv->enc_mem != NULL) {
356 IVTV_DEBUG_INFO("releasing enc_mem\n");
357 iounmap(itv->enc_mem);
358 itv->enc_mem = NULL;
359 }
360}
361
362/* Hauppauge card? get values from tveeprom */
363void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
364{
365 u8 eedata[256];
366
367 itv->i2c_client.addr = 0xA0 >> 1;
368 tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
369 tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
370}
371
372static void ivtv_process_eeprom(struct ivtv *itv)
373{
374 struct tveeprom tv;
8ac05ae3 375 int pci_slot = PCI_SLOT(itv->pdev->devfn);
1a0adaf3
HV		 376
377 ivtv_read_eeprom(itv, &tv);
378
379 /* Many thanks to Steven Toth from Hauppauge for providing the
380 model numbers */
381 switch (tv.model) {
382 /* In a few cases the PCI subsystem IDs do not correctly
383 identify the card. A better method is to check the
384 model number from the eeprom instead. */
1b9d313c 385 case 30012 ... 30039: /* Low profile PVR250 */
1a0adaf3
HV		 386 case 32000 ... 32999:
387 case 48000 ... 48099: /* 48??? range are PVR250s with a cx23415 */
388 case 48400 ... 48599:
389 itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
390 break;
391 case 48100 ... 48399:
392 case 48600 ... 48999:
393 itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
394 break;
395 case 23000 ... 23999: /* PVR500 */
396 case 25000 ... 25999: /* Low profile PVR150 */
397 case 26000 ... 26999: /* Regular PVR150 */
398 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
399 break;
400 case 0:
401 IVTV_ERR("Invalid EEPROM\n");
402 return;
403 default:
404 IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
405 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
406 break;
407 }
408
409 switch (tv.model) {
410 /* Old style PVR350 (with an saa7114) uses this input for
411 the tuner. */
412 case 48254:
413 itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
414 break;
415 default:
416 break;
417 }
418
419 itv->v4l2_cap = itv->card->v4l2_capabilities;
420 itv->card_name = itv->card->name;
d9009201 421 itv->card_i2c = itv->card->i2c;
1a0adaf3
HV		 422
423 /* If this is a PVR500 then it should be possible to detect whether it is the
424 first or second unit by looking at the subsystem device ID: is bit 4 is
425 set, then it is the second unit (according to info from Hauppauge).
426
427 However, while this works for most cards, I have seen a few PVR500 cards
428 where both units have the same subsystem ID.
429
430 So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
431 PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
432 it is the second unit. It is possible that it is a different slot when ivtv is
433 used in Xen, in that case I ignore this card here. The worst that can happen
434 is that the card presents itself with a non-working radio device.
435
436 This detection is needed since the eeprom reports incorrectly that a radio is
437 present on the second unit. */
438 if (tv.model / 1000 == 23) {
d9009201
HV		 439 static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
440 .radio = { 0x60, I2C_CLIENT_END },
441 .demod = { 0x43, I2C_CLIENT_END },
442 .tv = { 0x61, I2C_CLIENT_END },
443 };
444
1a0adaf3 445 itv->card_name = "WinTV PVR 500";
d9009201 446 itv->card_i2c = &ivtv_i2c_radio;
1a0adaf3
HV		 447 if (pci_slot == 8 || pci_slot == 9) {
448 int is_first = (pci_slot & 1) == 0;
449
450 itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
451 "WinTV PVR 500 (unit #2)";
452 if (!is_first) {
453 IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
454 tv.has_radio = 0;
455 }
456 }
457 }
458 IVTV_INFO("Autodetected %s\n", itv->card_name);
459
460 switch (tv.tuner_hauppauge_model) {
461 case 85:
462 case 99:
463 case 112:
464 itv->pvr150_workaround = 1;
465 break;
466 default:
467 break;
468 }
469 if (tv.tuner_type == TUNER_ABSENT)
7360055a 470 IVTV_ERR("tveeprom cannot autodetect tuner!\n");
1a0adaf3
HV		 471
472 if (itv->options.tuner == -1)
473 itv->options.tuner = tv.tuner_type;
474 if (itv->options.radio == -1)
475 itv->options.radio = (tv.has_radio != 0);
476 /* only enable newi2c if an IR blaster is present */
b654fcdc
HV		 477 if (itv->options.newi2c == -1 && tv.has_ir) {
478 itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
1a0adaf3 479 if (itv->options.newi2c) {
ae38d93b 480 IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
1a0adaf3
HV		 481 exit_ivtv_i2c(itv);
482 init_ivtv_i2c(itv);
483 }
484 }
485
486 if (itv->std != 0)
487 /* user specified tuner standard */
488 return;
489
490 /* autodetect tuner standard */
491 if (tv.tuner_formats & V4L2_STD_PAL) {
492 IVTV_DEBUG_INFO("PAL tuner detected\n");
493 itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
494 } else if (tv.tuner_formats & V4L2_STD_NTSC) {
495 IVTV_DEBUG_INFO("NTSC tuner detected\n");
496 itv->std |= V4L2_STD_NTSC_M;
497 } else if (tv.tuner_formats & V4L2_STD_SECAM) {
498 IVTV_DEBUG_INFO("SECAM tuner detected\n");
499 itv->std |= V4L2_STD_SECAM_L;
500 } else {
501 IVTV_INFO("No tuner detected, default to NTSC-M\n");
502 itv->std |= V4L2_STD_NTSC_M;
503 }
504}
505
506static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
507{
508 switch (pal[0]) {
509 case '6':
11305d59 510 tunertype = 0;
1a0adaf3
HV		 511 return V4L2_STD_PAL_60;
512 case 'b':
513 case 'B':
514 case 'g':
515 case 'G':
1a0adaf3
HV		 516 case 'h':
517 case 'H':
11305d59 518 tunertype = 0;
c0038ce0 519 return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1a0adaf3
HV		 520 case 'n':
521 case 'N':
11305d59 522 tunertype = 1;
1a0adaf3
HV		 523 if (pal[1] == 'c' || pal[1] == 'C')
524 return V4L2_STD_PAL_Nc;
525 return V4L2_STD_PAL_N;
526 case 'i':
527 case 'I':
11305d59 528 tunertype = 0;
1a0adaf3
HV		 529 return V4L2_STD_PAL_I;
530 case 'd':
531 case 'D':
532 case 'k':
533 case 'K':
11305d59 534 tunertype = 0;
1a0adaf3
HV		 535 return V4L2_STD_PAL_DK;
536 case 'M':
537 case 'm':
11305d59 538 tunertype = 1;
1a0adaf3
HV		 539 return V4L2_STD_PAL_M;
540 case '-':
541 break;
542 default:
543 IVTV_WARN("pal= argument not recognised\n");
544 return 0;
545 }
546
547 switch (secam[0]) {
548 case 'b':
549 case 'B':
550 case 'g':
551 case 'G':
552 case 'h':
553 case 'H':
11305d59 554 tunertype = 0;
1a0adaf3
HV		 555 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
556 case 'd':
557 case 'D':
558 case 'k':
559 case 'K':
11305d59 560 tunertype = 0;
1a0adaf3
HV		 561 return V4L2_STD_SECAM_DK;
562 case 'l':
563 case 'L':
11305d59 564 tunertype = 0;
1a0adaf3
HV		 565 if (secam[1] == 'C' || secam[1] == 'c')
566 return V4L2_STD_SECAM_LC;
567 return V4L2_STD_SECAM_L;
568 case '-':
569 break;
570 default:
571 IVTV_WARN("secam= argument not recognised\n");
572 return 0;
573 }
574
575 switch (ntsc[0]) {
576 case 'm':
577 case 'M':
11305d59 578 tunertype = 1;
1a0adaf3
HV		 579 return V4L2_STD_NTSC_M;
580 case 'j':
581 case 'J':
11305d59 582 tunertype = 1;
1a0adaf3
HV		 583 return V4L2_STD_NTSC_M_JP;
584 case 'k':
585 case 'K':
11305d59 586 tunertype = 1;
1a0adaf3
HV		 587 return V4L2_STD_NTSC_M_KR;
588 case '-':
589 break;
590 default:
591 IVTV_WARN("ntsc= argument not recognised\n");
592 return 0;
593 }
594
595 /* no match found */
596 return 0;
597}
598
599static void ivtv_process_options(struct ivtv *itv)
600{
601 const char *chipname;
602 int i, j;
603
313e91e8
HV		 604 itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
605 itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
606 itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
607 itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
608 itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
609 itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
610 itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
67ec09fd
HV		 611 itv->options.cardtype = cardtype[itv->instance];
612 itv->options.tuner = tuner[itv->instance];
613 itv->options.radio = radio[itv->instance];
f412d36a
AW		 614
615 itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
616 if (itv->options.i2c_clock_period == -1)
617 itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
618 else if (itv->options.i2c_clock_period < 10)
619 itv->options.i2c_clock_period = 10;
620 else if (itv->options.i2c_clock_period > 4500)
621 itv->options.i2c_clock_period = 4500;
622
1a0adaf3 623 itv->options.newi2c = newi2c;
11305d59
HV		 624 if (tunertype < -1 || tunertype > 1) {
625 IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
626 tunertype = -1;
c0038ce0 627 }
1a0adaf3 628 itv->std = ivtv_parse_std(itv);
11305d59
HV		 629 if (itv->std == 0 && tunertype >= 0)
630 itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
8ac05ae3 631 itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
1a0adaf3
HV		 632 chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
633 if (itv->options.cardtype == -1) {
634 IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
635 return;
636 }
637 if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
638 IVTV_INFO("User specified %s card (detected %s based chip)\n",
639 itv->card->name, chipname);
640 } else if (itv->options.cardtype != 0) {
641 IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
642 }
643 if (itv->card == NULL) {
8ac05ae3
HV		 644 if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
645 itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
646 itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
1a0adaf3
HV		 647 itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
648 IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
649 chipname);
650 }
651 }
652 if (itv->card == NULL) {
653 for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
654 if (itv->card->pci_list == NULL)
655 continue;
656 for (j = 0; itv->card->pci_list[j].device; j++) {
8ac05ae3 657 if (itv->pdev->device !=
1a0adaf3
HV		 658 itv->card->pci_list[j].device)
659 continue;
8ac05ae3 660 if (itv->pdev->subsystem_vendor !=
1a0adaf3
HV		 661 itv->card->pci_list[j].subsystem_vendor)
662 continue;
8ac05ae3 663 if (itv->pdev->subsystem_device !=
1a0adaf3
HV		 664 itv->card->pci_list[j].subsystem_device)
665 continue;
666 IVTV_INFO("Autodetected %s card (%s based)\n",
667 itv->card->name, chipname);
668 goto done;
669 }
670 }
671 }
672done:
673
674 if (itv->card == NULL) {
675 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
29e66a6c 676 IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
8ac05ae3 677 itv->pdev->vendor, itv->pdev->device);
29e66a6c 678 IVTV_ERR(" subsystem vendor/device: [%04x:%04x]\n",
8ac05ae3 679 itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
1a0adaf3
HV		 680 IVTV_ERR(" %s based\n", chipname);
681 IVTV_ERR("Defaulting to %s card\n", itv->card->name);
682 IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
683 IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
3e509c76 684 IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
1a0adaf3
HV		 685 }
686 itv->v4l2_cap = itv->card->v4l2_capabilities;
687 itv->card_name = itv->card->name;
d9009201 688 itv->card_i2c = itv->card->i2c;
1a0adaf3
HV		 689}
690
691/* Precondition: the ivtv structure has been memset to 0. Only
692 the dev and num fields have been filled in.
693 No assumptions on the card type may be made here (see ivtv_init_struct2
694 for that).
695 */
696static int __devinit ivtv_init_struct1(struct ivtv *itv)
697{
7bc46560
TH		 698 struct sched_param param = { .sched_priority = 99 };
699
8ac05ae3 700 itv->base_addr = pci_resource_start(itv->pdev, 0);
1a0adaf3
HV		 701 itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
702 itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
703
f8859691 704 mutex_init(&itv->serialize_lock);
1a0adaf3
HV		 705 mutex_init(&itv->i2c_bus_lock);
706 mutex_init(&itv->udma.lock);
707
d6102900
HV		 708 spin_lock_init(&itv->lock);
709 spin_lock_init(&itv->dma_reg_lock);
1a0adaf3 710
7bc46560
TH		 711 init_kthread_worker(&itv->irq_worker);
712 itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
713 itv->v4l2_dev.name);
714 if (IS_ERR(itv->irq_worker_task)) {
715 IVTV_ERR("Could not create ivtv task\n");
1a0adaf3
HV		 716 return -1;
717 }
7bc46560
TH		 718 /* must use the FIFO scheduler as it is realtime sensitive */
719 sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
1a0adaf3 720
7bc46560 721 init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
1a0adaf3
HV		 722
723 /* start counting open_id at 1 */
724 itv->open_id = 1;
725
726 /* Initial settings */
727 cx2341x_fill_defaults(&itv->params);
728 itv->params.port = CX2341X_PORT_MEMORY;
729 itv->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
fd8b281a 730 init_waitqueue_head(&itv->eos_waitq);
1a0adaf3
HV		 731 init_waitqueue_head(&itv->event_waitq);
732 init_waitqueue_head(&itv->vsync_waitq);
733 init_waitqueue_head(&itv->dma_waitq);
734 init_timer(&itv->dma_timer);
735 itv->dma_timer.function = ivtv_unfinished_dma;
736 itv->dma_timer.data = (unsigned long)itv;
737
738 itv->cur_dma_stream = -1;
dc02d50a 739 itv->cur_pio_stream = -1;
1a0adaf3
HV		 740 itv->audio_stereo_mode = AUDIO_STEREO;
741 itv->audio_bilingual_mode = AUDIO_MONO_LEFT;
742
743 /* Ctrls */
744 itv->speed = 1000;
745
746 /* VBI */
a8b86435 747 itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
1a0adaf3
HV		 748 itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
749
165e1213
IA		 750 /* Init the sg table for osd/yuv output */
751 sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
752
1a0adaf3
HV		 753 /* OSD */
754 itv->osd_global_alpha_state = 1;
755 itv->osd_global_alpha = 255;
756
757 /* YUV */
758 atomic_set(&itv->yuv_info.next_dma_frame, -1);
759 itv->yuv_info.lace_mode = ivtv_yuv_mode;
760 itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
a3e5f5e2 761 itv->yuv_info.max_frames_buffered = 3;
88ab075a 762 itv->yuv_info.track_osd = 1;
1a0adaf3
HV		 763 return 0;
764}
765
766/* Second initialization part. Here the card type has been
767 autodetected. */
768static void __devinit ivtv_init_struct2(struct ivtv *itv)
769{
770 int i;
771
772 for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
773 if (itv->card->video_inputs[i].video_type == 0)
774 break;
775 itv->nof_inputs = i;
776 for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
777 if (itv->card->audio_inputs[i].audio_type == 0)
778 break;
779 itv->nof_audio_inputs = i;
780
1a0adaf3
HV		 781 if (itv->card->hw_all & IVTV_HW_CX25840) {
782 itv->vbi.sliced_size = 288; /* multiple of 16, real size = 284 */
783 } else {
784 itv->vbi.sliced_size = 64; /* multiple of 16, real size = 52 */
785 }
786
787 /* Find tuner input */
788 for (i = 0; i < itv->nof_inputs; i++) {
789 if (itv->card->video_inputs[i].video_type ==
790 IVTV_CARD_INPUT_VID_TUNER)
791 break;
792 }
793 if (i == itv->nof_inputs)
794 i = 0;
795 itv->active_input = i;
796 itv->audio_input = itv->card->video_inputs[i].audio_index;
1a0adaf3
HV		 797}
798
8ac05ae3 799static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
1a0adaf3
HV		 800 const struct pci_device_id *pci_id)
801{
802 u16 cmd;
fd8b281a 803 u8 card_rev;
1a0adaf3
HV		 804 unsigned char pci_latency;
805
806 IVTV_DEBUG_INFO("Enabling pci device\n");
807
8ac05ae3 808 if (pci_enable_device(pdev)) {
67ec09fd 809 IVTV_ERR("Can't enable device!\n");
1a0adaf3
HV		 810 return -EIO;
811 }
8ac05ae3 812 if (pci_set_dma_mask(pdev, 0xffffffff)) {
67ec09fd 813 IVTV_ERR("No suitable DMA available.\n");
1a0adaf3
HV		 814 return -EIO;
815 }
816 if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
67ec09fd 817 IVTV_ERR("Cannot request encoder memory region.\n");
1a0adaf3
HV		 818 return -EIO;
819 }
820
821 if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
822 IVTV_REG_SIZE, "ivtv registers")) {
67ec09fd 823 IVTV_ERR("Cannot request register memory region.\n");
1a0adaf3
HV		 824 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
825 return -EIO;
826 }
827
828 if (itv->has_cx23415 &&
829 !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
830 IVTV_DECODER_SIZE, "ivtv decoder")) {
67ec09fd 831 IVTV_ERR("Cannot request decoder memory region.\n");
1a0adaf3
HV		 832 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
833 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
834 return -EIO;
835 }
836
837 /* Check for bus mastering */
8ac05ae3 838 pci_read_config_word(pdev, PCI_COMMAND, &cmd);
1a0adaf3
HV		 839 if (!(cmd & PCI_COMMAND_MASTER)) {
840 IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
8ac05ae3
HV		 841 pci_set_master(pdev);
842 pci_read_config_word(pdev, PCI_COMMAND, &cmd);
1a0adaf3
HV		 843 if (!(cmd & PCI_COMMAND_MASTER)) {
844 IVTV_ERR("Bus Mastering is not enabled\n");
845 return -ENXIO;
846 }
847 }
848 IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
849
8ac05ae3
HV		 850 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &card_rev);
851 pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
1a0adaf3
HV		 852
853 if (pci_latency < 64 && ivtv_pci_latency) {
854 IVTV_INFO("Unreasonably low latency timer, "
855 "setting to 64 (was %d)\n", pci_latency);
8ac05ae3
HV		 856 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
857 pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
1a0adaf3
HV		 858 }
859 /* This config space value relates to DMA latencies. The
860 default value 0x8080 is too low however and will lead
861 to DMA errors. 0xffff is the max value which solves
862 these problems. */
8ac05ae3 863 pci_write_config_dword(pdev, 0x40, 0xffff);
1a0adaf3
HV		 864
865 IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
866 "irq: %d, latency: %d, memory: 0x%lx\n",
8ac05ae3
HV		 867 pdev->device, card_rev, pdev->bus->number,
868 PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
869 pdev->irq, pci_latency, (unsigned long)itv->base_addr);
1a0adaf3
HV		 870
871 return 0;
872}
873
1a0adaf3
HV		 874static void ivtv_load_and_init_modules(struct ivtv *itv)
875{
1a0adaf3 876 u32 hw = itv->card->hw_all;
d9009201 877 unsigned i;
1a0adaf3 878
1a0adaf3
HV		 879 /* check which i2c devices are actually found */
880 for (i = 0; i < 32; i++) {
881 u32 device = 1 << i;
882
883 if (!(device & hw))
884 continue;
d9009201
HV		 885 if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
886 /* GPIO and TVEEPROM do not use i2c probing */
887 itv->hw_flags |= device;
1a0adaf3
HV		 888 continue;
889 }
67ec09fd 890 if (ivtv_i2c_register(itv, i) == 0)
1a0adaf3
HV		 891 itv->hw_flags |= device;
892 }
893
bfbde8ee 894 /* probe for legacy IR controllers that aren't in card definitions */
7ce5c41d
AW		 895 if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
896 ivtv_i2c_new_ir_legacy(itv);
bfbde8ee 897
67ec09fd
HV		 898 if (itv->card->hw_all & IVTV_HW_CX25840)
899 itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
900 else if (itv->card->hw_all & IVTV_HW_SAA717X)
901 itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
902 else if (itv->card->hw_all & IVTV_HW_SAA7114)
903 itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
904 else
905 itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
906 itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
907 itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
908
1a0adaf3
HV		 909 hw = itv->hw_flags;
910
911 if (itv->card->type == IVTV_CARD_CX23416GYC) {
912 /* Several variations of this card exist, detect which card
913 type should be used. */
914 if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
915 itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
916 else if ((hw & IVTV_HW_UPD64031A) == 0)
917 itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
918 }
469ba047
HV		 919 else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
920 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
469ba047 921 /* The crystal frequency of GVMVPRX is 24.576MHz */
3ff4ad81
HV		 922 v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
923 SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
469ba047 924 }
1a0adaf3
HV		 925
926 if (hw & IVTV_HW_CX25840) {
1a0adaf3
HV		 927 itv->vbi.raw_decoder_line_size = 1444;
928 itv->vbi.raw_decoder_sav_odd_field = 0x20;
929 itv->vbi.raw_decoder_sav_even_field = 0x60;
930 itv->vbi.sliced_decoder_line_size = 272;
931 itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
932 itv->vbi.sliced_decoder_sav_even_field = 0xF0;
933 }
934
935 if (hw & IVTV_HW_SAA711X) {
aecde8b5 936 struct v4l2_dbg_chip_ident v;
1a0adaf3
HV		 937
938 /* determine the exact saa711x model */
939 itv->hw_flags &= ~IVTV_HW_SAA711X;
940
aecde8b5
HV		 941 v.match.type = V4L2_CHIP_MATCH_I2C_DRIVER;
942 strlcpy(v.match.name, "saa7115", sizeof(v.match.name));
67ec09fd 943 ivtv_call_hw(itv, IVTV_HW_SAA711X, core, g_chip_ident, &v);
1a0adaf3
HV		 944 if (v.ident == V4L2_IDENT_SAA7114) {
945 itv->hw_flags |= IVTV_HW_SAA7114;
946 /* VBI is not yet supported by the saa7114 driver. */
947 itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
aecde8b5 948 } else {
1a0adaf3
HV		 949 itv->hw_flags |= IVTV_HW_SAA7115;
950 }
951 itv->vbi.raw_decoder_line_size = 1443;
952 itv->vbi.raw_decoder_sav_odd_field = 0x25;
953 itv->vbi.raw_decoder_sav_even_field = 0x62;
954 itv->vbi.sliced_decoder_line_size = 51;
955 itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
956 itv->vbi.sliced_decoder_sav_even_field = 0xEC;
957 }
958
959 if (hw & IVTV_HW_SAA717X) {
960 itv->vbi.raw_decoder_line_size = 1443;
961 itv->vbi.raw_decoder_sav_odd_field = 0x25;
962 itv->vbi.raw_decoder_sav_even_field = 0x62;
963 itv->vbi.sliced_decoder_line_size = 51;
964 itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
965 itv->vbi.sliced_decoder_sav_even_field = 0xEC;
966 }
967}
968
8ac05ae3 969static int __devinit ivtv_probe(struct pci_dev *pdev,
1a0adaf3
HV		 970 const struct pci_device_id *pci_id)
971{
972 int retval = 0;
1a0adaf3 973 int vbi_buf_size;
1a0adaf3 974 struct ivtv *itv;
1a0adaf3 975
1a0adaf3 976 itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
67ec09fd 977 if (itv == NULL)
1a0adaf3 978 return -ENOMEM;
8ac05ae3 979 itv->pdev = pdev;
a79b11c0
HV		 980 itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
981 &ivtv_instance);
1a0adaf3 982
8ac05ae3 983 retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
2c1a3c97
HV		 984 if (retval) {
985 kfree(itv);
67ec09fd 986 return retval;
2c1a3c97 987 }
67ec09fd 988 IVTV_INFO("Initializing card %d\n", itv->instance);
1a0adaf3
HV		 989
990 ivtv_process_options(itv);
991 if (itv->options.cardtype == -1) {
992 retval = -ENODEV;
993 goto err;
994 }
995 if (ivtv_init_struct1(itv)) {
996 retval = -ENOMEM;
997 goto err;
998 }
999
1000 IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr);
1001
1002 /* PCI Device Setup */
8ac05ae3
HV		 1003 retval = ivtv_setup_pci(itv, pdev, pci_id);
1004 if (retval == -EIO)
7bc46560 1005 goto free_worker;
8ac05ae3
HV		 1006 if (retval == -ENXIO)
1007 goto free_mem;
1a0adaf3
HV		 1008
1009 /* map io memory */
1010 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1011 itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1012 itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1013 IVTV_ENCODER_SIZE);
1014 if (!itv->enc_mem) {
1015 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
dab2ea48 1016 IVTV_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
1a0adaf3
HV		 1017 retval = -ENOMEM;
1018 goto free_mem;
1019 }
1020
1021 if (itv->has_cx23415) {
1022 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1023 itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1024 itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1025 IVTV_DECODER_SIZE);
1026 if (!itv->dec_mem) {
1027 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
dab2ea48 1028 IVTV_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
1a0adaf3
HV		 1029 retval = -ENOMEM;
1030 goto free_mem;
1031 }
1032 }
1033 else {
1034 itv->dec_mem = itv->enc_mem;
1035 }
1036
1037 /* map registers memory */
1038 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1039 itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1040 itv->reg_mem =
1041 ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1042 if (!itv->reg_mem) {
1043 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
dab2ea48 1044 IVTV_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
1a0adaf3
HV		 1045 retval = -ENOMEM;
1046 goto free_io;
1047 }
1048
67ec09fd
HV		 1049 retval = ivtv_gpio_init(itv);
1050 if (retval)
1051 goto free_io;
1a0adaf3
HV		 1052
1053 /* active i2c */
1054 IVTV_DEBUG_INFO("activating i2c...\n");
1055 if (init_ivtv_i2c(itv)) {
1056 IVTV_ERR("Could not initialize i2c\n");
18e16f9c 1057 goto free_io;
1a0adaf3
HV		 1058 }
1059
1a0adaf3 1060 if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1a0adaf3
HV		 1061 /* Based on the model number the cardtype may be changed.
1062 The PCI IDs are not always reliable. */
1063 ivtv_process_eeprom(itv);
1064 }
ecfcc83b
HV		 1065 if (itv->card->comment)
1066 IVTV_INFO("%s", itv->card->comment);
1067 if (itv->card->v4l2_capabilities == 0) {
1068 /* card was detected but is not supported */
1069 retval = -ENODEV;
1070 goto free_i2c;
1071 }
1a0adaf3
HV		 1072
1073 if (itv->std == 0) {
1074 itv->std = V4L2_STD_NTSC_M;
1075 }
1076
1077 if (itv->options.tuner == -1) {
1078 int i;
1079
1080 for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1081 if ((itv->std & itv->card->tuners[i].std) == 0)
1082 continue;
1083 itv->options.tuner = itv->card->tuners[i].tuner;
1084 break;
1085 }
1086 }
1087 /* if no tuner was found, then pick the first tuner in the card list */
1088 if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1089 itv->std = itv->card->tuners[0].std;
c3cb4d95
HV		 1090 if (itv->std & V4L2_STD_PAL)
1091 itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1092 else if (itv->std & V4L2_STD_NTSC)
1093 itv->std = V4L2_STD_NTSC_M;
1094 else if (itv->std & V4L2_STD_SECAM)
1095 itv->std = V4L2_STD_SECAM_L;
1a0adaf3
HV		 1096 itv->options.tuner = itv->card->tuners[0].tuner;
1097 }
1098 if (itv->options.radio == -1)
1099 itv->options.radio = (itv->card->radio_input.audio_type != 0);
1100
1101 /* The card is now fully identified, continue with card-specific
1102 initialization. */
1103 ivtv_init_struct2(itv);
1104
1105 ivtv_load_and_init_modules(itv);
1106
1107 if (itv->std & V4L2_STD_525_60) {
1108 itv->is_60hz = 1;
1109 itv->is_out_60hz = 1;
1110 } else {
1111 itv->is_50hz = 1;
1112 itv->is_out_50hz = 1;
1113 }
77aded6b
IA		 1114
1115 itv->yuv_info.osd_full_w = 720;
1116 itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1117 itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1118 itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1119
1a0adaf3
HV		 1120 itv->params.video_gop_size = itv->is_60hz ? 15 : 12;
1121
1122 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1123 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1124 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
c240ad00
IA		 1125 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1126 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1a0adaf3
HV		 1127
1128 /* Setup VBI Raw Size. Should be big enough to hold PAL.
1129 It is possible to switch between PAL and NTSC, so we need to
1130 take the largest size here. */
1131 /* 1456 is multiple of 16, real size = 1444 */
1132 itv->vbi.raw_size = 1456;
1133 /* We use a buffer size of 1/2 of the total size needed for a
1134 frame. This is actually very useful, since we now receive
1135 a field at a time and that makes 'compressing' the raw data
1136 down to size by stripping off the SAV codes a lot easier.
1137 Note: having two different buffer sizes prevents standard
1138 switching on the fly. We need to find a better solution... */
1139 vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1140 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1141 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1142
1143 if (itv->options.radio > 0)
1144 itv->v4l2_cap |= V4L2_CAP_RADIO;
1145
d9009201 1146 if (itv->options.tuner > -1) {
1a0adaf3
HV		 1147 struct tuner_setup setup;
1148
1149 setup.addr = ADDR_UNSET;
1150 setup.type = itv->options.tuner;
1151 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
0e614cd1
HV		 1152 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1153 ivtv_reset_tuner_gpio : NULL;
67ec09fd 1154 ivtv_call_all(itv, tuner, s_type_addr, &setup);
0e614cd1
HV		 1155 if (setup.type == TUNER_XC2028) {
1156 static struct xc2028_ctrl ctrl = {
1157 .fname = XC2028_DEFAULT_FIRMWARE,
1158 .max_len = 64,
1159 };
1160 struct v4l2_priv_tun_config cfg = {
1161 .tuner = itv->options.tuner,
1162 .priv = &ctrl,
1163 };
67ec09fd 1164 ivtv_call_all(itv, tuner, s_config, &cfg);
0e614cd1 1165 }
1a0adaf3
HV		 1166 }
1167
1a0adaf3
HV		 1168 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1169 are not. */
1170 itv->tuner_std = itv->std;
1171
2ce55b60 1172 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
67ec09fd 1173 ivtv_call_all(itv, video, s_std_output, itv->std);
323a491a
MD		 1174 /* Turn off the output signal. The mpeg decoder is not yet
1175 active so without this you would get a green image until the
1176 mpeg decoder becomes active. */
67ec09fd 1177 ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
2ce55b60
HV		 1178 }
1179
fee73165
HV		 1180 /* clear interrupt mask, effectively disabling interrupts */
1181 ivtv_set_irq_mask(itv, 0xffffffff);
1182
1183 /* Register IRQ */
8ac05ae3
HV		 1184 retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1185 IRQF_SHARED | IRQF_DISABLED, itv->v4l2_dev.name, (void *)itv);
fee73165
HV		 1186 if (retval) {
1187 IVTV_ERR("Failed to register irq %d\n", retval);
d86e2ee9
HV		 1188 goto free_i2c;
1189 }
1190
1191 retval = ivtv_streams_setup(itv);
1192 if (retval) {
1193 IVTV_ERR("Error %d setting up streams\n", retval);
1194 goto free_irq;
fee73165 1195 }
18e16f9c
HV		 1196 retval = ivtv_streams_register(itv);
1197 if (retval) {
1198 IVTV_ERR("Error %d registering devices\n", retval);
d86e2ee9 1199 goto free_streams;
18e16f9c 1200 }
67ec09fd 1201 IVTV_INFO("Initialized card: %s\n", itv->card_name);
1a0adaf3
HV		 1202 return 0;
1203
d86e2ee9 1204free_streams:
3f98387e 1205 ivtv_streams_cleanup(itv, 1);
d86e2ee9 1206free_irq:
8ac05ae3 1207 free_irq(itv->pdev->irq, (void *)itv);
d86e2ee9 1208free_i2c:
1a0adaf3 1209 exit_ivtv_i2c(itv);
d86e2ee9 1210free_io:
1a0adaf3 1211 ivtv_iounmap(itv);
d86e2ee9 1212free_mem:
1a0adaf3
HV		 1213 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1214 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1215 if (itv->has_cx23415)
1216 release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
7bc46560
TH		 1217free_worker:
1218 kthread_stop(itv->irq_worker_task);
d86e2ee9 1219err:
1a0adaf3
HV		 1220 if (retval == 0)
1221 retval = -ENODEV;
1222 IVTV_ERR("Error %d on initialization\n", retval);
1223
8ac05ae3 1224 v4l2_device_unregister(&itv->v4l2_dev);
67ec09fd 1225 kfree(itv);
1a0adaf3
HV		 1226 return retval;
1227}
1228
c976bc82
HV		 1229int ivtv_init_on_first_open(struct ivtv *itv)
1230{
1231 struct v4l2_frequency vf;
3f038d80
HV		 1232 /* Needed to call ioctls later */
1233 struct ivtv_open_id fh;
c976bc82
HV		 1234 int fw_retry_count = 3;
1235 int video_input;
1236
3f038d80
HV		 1237 fh.itv = itv;
1238
6e5eb591
HV		 1239 if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1240 return -ENXIO;
1241
1242 if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1243 return 0;
1244
c976bc82
HV		 1245 while (--fw_retry_count > 0) {
1246 /* load firmware */
1247 if (ivtv_firmware_init(itv) == 0)
1248 break;
1249 if (fw_retry_count > 1)
1250 IVTV_WARN("Retry loading firmware\n");
1251 }
6e5eb591 1252
c976bc82 1253 if (fw_retry_count == 0) {
6e5eb591
HV		 1254 set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1255 return -ENXIO;
c976bc82
HV		 1256 }
1257
1258 /* Try and get firmware versions */
1259 IVTV_DEBUG_INFO("Getting firmware version..\n");
1260 ivtv_firmware_versions(itv);
1261
1262 if (itv->card->hw_all & IVTV_HW_CX25840) {
1263 struct v4l2_control ctrl;
1264
cc26b076 1265 v4l2_subdev_call(itv->sd_video, core, load_fw);
c976bc82
HV		 1266 /* CX25840_CID_ENABLE_PVR150_WORKAROUND */
1267 ctrl.id = V4L2_CID_PRIVATE_BASE;
1268 ctrl.value = itv->pvr150_workaround;
67ec09fd 1269 v4l2_subdev_call(itv->sd_video, core, s_ctrl, &ctrl);
c976bc82
HV		 1270 }
1271
1272 vf.tuner = 0;
1273 vf.type = V4L2_TUNER_ANALOG_TV;
1274 vf.frequency = 6400; /* the tuner 'baseline' frequency */
1275
1276 /* Set initial frequency. For PAL/SECAM broadcasts no
1277 'default' channel exists AFAIK. */
1278 if (itv->std == V4L2_STD_NTSC_M_JP) {
1279 vf.frequency = 1460; /* ch. 1 91250*16/1000 */
1280 }
1281 else if (itv->std & V4L2_STD_NTSC_M) {
1282 vf.frequency = 1076; /* ch. 4 67250*16/1000 */
1283 }
1284
1285 video_input = itv->active_input;
1286 itv->active_input++; /* Force update of input */
3f038d80 1287 ivtv_s_input(NULL, &fh, video_input);
c976bc82
HV		 1288
1289 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1290 in one place. */
1291 itv->std++; /* Force full standard initialization */
1292 itv->std_out = itv->std;
3f038d80 1293 ivtv_s_frequency(NULL, &fh, &vf);
c976bc82
HV		 1294
1295 if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
323a491a
MD		 1296 /* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1297 the mpeg decoder so now the saa7127 receives a proper
1298 signal. */
67ec09fd 1299 ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
c976bc82
HV		 1300 ivtv_init_mpeg_decoder(itv);
1301 }
c976bc82
HV		 1302
1303 /* On a cx23416 this seems to be able to enable DMA to the chip? */
1304 if (!itv->has_cx23415)
1305 write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1306
1307 /* Default interrupts enabled. For the PVR350 this includes the
1308 decoder VSYNC interrupt, which is always on. It is not only used
1309 during decoding but also by the OSD.
1310 Some old PVR250 cards had a cx23415, so testing for that is too
1311 general. Instead test if the card has video output capability. */
1312 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1313 ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1314 ivtv_set_osd_alpha(itv);
1315 }
1316 else
1317 ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
2443baea
IA		 1318
1319 /* For cards with video out, this call needs interrupts enabled */
1320 ivtv_s_std(NULL, &fh, &itv->tuner_std);
1321
c976bc82
HV		 1322 return 0;
1323}
1324
8ac05ae3 1325static void ivtv_remove(struct pci_dev *pdev)
1a0adaf3 1326{
8ac05ae3
HV		 1327 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1328 struct ivtv *itv = to_ivtv(v4l2_dev);
67ec09fd 1329 int i;
1a0adaf3 1330
67ec09fd 1331 IVTV_DEBUG_INFO("Removing card\n");
1a0adaf3 1332
c976bc82
HV		 1333 if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1334 /* Stop all captures */
1335 IVTV_DEBUG_INFO("Stopping all streams\n");
1336 if (atomic_read(&itv->capturing) > 0)
1337 ivtv_stop_all_captures(itv);
1338
1339 /* Stop all decoding */
1340 IVTV_DEBUG_INFO("Stopping decoding\n");
323a491a
MD		 1341
1342 /* Turn off the TV-out */
1343 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
67ec09fd 1344 ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
c976bc82
HV		 1345 if (atomic_read(&itv->decoding) > 0) {
1346 int type;
1347
1348 if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1349 type = IVTV_DEC_STREAM_TYPE_YUV;
1350 else
1351 type = IVTV_DEC_STREAM_TYPE_MPG;
1352 ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1353 VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
1354 }
1355 ivtv_halt_firmware(itv);
1a0adaf3
HV		 1356 }
1357
1358 /* Interrupts */
1a0adaf3
HV		 1359 ivtv_set_irq_mask(itv, 0xffffffff);
1360 del_timer_sync(&itv->dma_timer);
1361
7bc46560
TH		 1362 /* Kill irq worker */
1363 flush_kthread_worker(&itv->irq_worker);
1364 kthread_stop(itv->irq_worker_task);
1a0adaf3 1365
3f98387e 1366 ivtv_streams_cleanup(itv, 1);
1a0adaf3
HV		 1367 ivtv_udma_free(itv);
1368
1369 exit_ivtv_i2c(itv);
1370
8ac05ae3 1371 free_irq(itv->pdev->irq, (void *)itv);
27b5a395 1372 ivtv_iounmap(itv);
1a0adaf3 1373
1a0adaf3
HV		 1374 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1375 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1376 if (itv->has_cx23415)
1377 release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1378
8ac05ae3 1379 pci_disable_device(itv->pdev);
67ec09fd
HV		 1380 for (i = 0; i < IVTV_VBI_FRAMES; i++)
1381 kfree(itv->vbi.sliced_mpeg_data[i]);
1a0adaf3 1382
67ec09fd 1383 printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
8ac05ae3
HV		 1384
1385 v4l2_device_unregister(&itv->v4l2_dev);
67ec09fd 1386 kfree(itv);
1a0adaf3
HV		 1387}
1388
1389/* define a pci_driver for card detection */
1390static struct pci_driver ivtv_pci_driver = {
1391 .name = "ivtv",
1392 .id_table = ivtv_pci_tbl,
1393 .probe = ivtv_probe,
1394 .remove = ivtv_remove,
1395};
1396
9710e7a7 1397static int __init module_start(void)
1a0adaf3 1398{
67ec09fd 1399 printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1a0adaf3
HV		 1400
1401 /* Validate parameters */
1402 if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
67ec09fd 1403 printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1a0adaf3
HV		 1404 IVTV_MAX_CARDS - 1);
1405 return -1;
1406 }
1407
1aa32c2f 1408 if (ivtv_debug < 0 || ivtv_debug > 2047) {
1a0adaf3 1409 ivtv_debug = 0;
67ec09fd 1410 printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
1a0adaf3
HV		 1411 }
1412
6773c1c2 1413 if (pci_register_driver(&ivtv_pci_driver)) {
67ec09fd 1414 printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1a0adaf3
HV		 1415 return -ENODEV;
1416 }
67ec09fd 1417 printk(KERN_INFO "ivtv: End initialization\n");
1a0adaf3
HV		 1418 return 0;
1419}
1420
9710e7a7 1421static void __exit module_cleanup(void)
1a0adaf3 1422{
f40a2916 1423 pci_unregister_driver(&ivtv_pci_driver);
1a0adaf3
HV		 1424}
1425
7b3a0d49 1426/* Note: These symbols are exported because they are used by the ivtvfb
b6735ac2 1427 framebuffer module and an infrared module for the IR-blaster. */
1a0adaf3 1428EXPORT_SYMBOL(ivtv_set_irq_mask);
1a0adaf3
HV		 1429EXPORT_SYMBOL(ivtv_api);
1430EXPORT_SYMBOL(ivtv_vapi);
1431EXPORT_SYMBOL(ivtv_vapi_result);
1432EXPORT_SYMBOL(ivtv_clear_irq_mask);
1433EXPORT_SYMBOL(ivtv_debug);
1434EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1435EXPORT_SYMBOL(ivtv_udma_setup);
1436EXPORT_SYMBOL(ivtv_udma_unmap);
1437EXPORT_SYMBOL(ivtv_udma_alloc);
1438EXPORT_SYMBOL(ivtv_udma_prepare);
6e5eb591 1439EXPORT_SYMBOL(ivtv_init_on_first_open);
1a0adaf3
HV		 1440
1441module_init(module_start);
1442module_exit(module_cleanup);
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