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V4L/DVB (5902): Add ivtv-fb framebuffer driver.
[linux-2.6-block.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"
55#include "ivtv-audio.h"
56#include "ivtv-gpio.h"
57#include "ivtv-yuv.h"
58
1a0adaf3
HV		 59#include <media/tveeprom.h>
60#include <media/v4l2-chip-ident.h>
61
62/* var to keep track of the number of array elements in use */
63int ivtv_cards_active = 0;
64
65/* If you have already X v4l cards, then set this to X. This way
66 the device numbers stay matched. Example: you have a WinTV card
67 without radio and a PVR-350 with. Normally this would give a
68 video1 device together with a radio0 device for the PVR. By
69 setting this to 1 you ensure that radio0 is now also radio1. */
70int ivtv_first_minor = 0;
71
72/* Master variable for all ivtv info */
73struct ivtv *ivtv_cards[IVTV_MAX_CARDS];
74
75/* Protects ivtv_cards_active */
b71ed5cf 76DEFINE_SPINLOCK(ivtv_cards_lock);
1a0adaf3
HV		 77
78/* add your revision and whatnot here */
79static struct pci_device_id ivtv_pci_tbl[] __devinitdata = {
80 {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
81 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
82 {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
83 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
84 {0,}
85};
86
87MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
88
89const u32 yuv_offset[4] = {
90 IVTV_YUV_BUFFER_OFFSET,
91 IVTV_YUV_BUFFER_OFFSET_1,
92 IVTV_YUV_BUFFER_OFFSET_2,
93 IVTV_YUV_BUFFER_OFFSET_3
94};
95
96/* Parameter declarations */
97static int cardtype[IVTV_MAX_CARDS];
32db7754
HV		 98static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
99 -1, -1, -1, -1, -1, -1, -1, -1,
100 -1, -1, -1, -1, -1, -1, -1, -1,
101 -1, -1, -1, -1, -1, -1, -1, -1 };
102static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
103 -1, -1, -1, -1, -1, -1, -1, -1,
104 -1, -1, -1, -1, -1, -1, -1, -1,
105 -1, -1, -1, -1, -1, -1, -1, -1 };
1a0adaf3
HV		 106
107static int cardtype_c = 1;
108static int tuner_c = 1;
109static int radio_c = 1;
110static char pal[] = "--";
111static char secam[] = "--";
112static char ntsc[] = "-";
113
114/* Buffers */
115static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
116static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
117static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
118static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
119static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
120static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
121static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
122
123static int ivtv_yuv_mode = 0;
9e0df402 124static int ivtv_yuv_threshold=-1;
1a0adaf3
HV		 125static int ivtv_pci_latency = 1;
126
127int ivtv_debug = 0;
128
31ec1356 129static int newi2c = -1;
1a0adaf3
HV		 130
131module_param_array(tuner, int, &tuner_c, 0644);
132module_param_array(radio, bool, &radio_c, 0644);
133module_param_array(cardtype, int, &cardtype_c, 0644);
134module_param_string(pal, pal, sizeof(pal), 0644);
135module_param_string(secam, secam, sizeof(secam), 0644);
136module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
137module_param_named(debug,ivtv_debug, int, 0644);
138module_param(ivtv_pci_latency, int, 0644);
139module_param(ivtv_yuv_mode, int, 0644);
140module_param(ivtv_yuv_threshold, int, 0644);
141module_param(ivtv_first_minor, int, 0644);
142
143module_param(enc_mpg_buffers, int, 0644);
144module_param(enc_yuv_buffers, int, 0644);
145module_param(enc_vbi_buffers, int, 0644);
146module_param(enc_pcm_buffers, int, 0644);
147module_param(dec_mpg_buffers, int, 0644);
148module_param(dec_yuv_buffers, int, 0644);
149module_param(dec_vbi_buffers, int, 0644);
150
151module_param(newi2c, int, 0644);
152
153MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
154 "\t\t\tsee tuner.h for values");
155MODULE_PARM_DESC(radio,
156 "Enable or disable the radio. Use only if autodetection\n"
157 "\t\t\tfails. 0 = disable, 1 = enable");
158MODULE_PARM_DESC(cardtype,
159 "Only use this option if your card is not detected properly.\n"
160 "\t\tSpecify card type:\n"
161 "\t\t\t 1 = WinTV PVR 250\n"
162 "\t\t\t 2 = WinTV PVR 350\n"
163 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
164 "\t\t\t 4 = AVerMedia M179\n"
165 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
166 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
167 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
168 "\t\t\t 8 = Adaptec AVC-2410\n"
169 "\t\t\t 9 = Adaptec AVC-2010\n"
170 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
171 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
172 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
173 "\t\t\t13 = I/O Data GV-MVP/RX\n"
174 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
175 "\t\t\t15 = GOTVIEW PCI DVD\n"
176 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
177 "\t\t\t17 = Yuan MPC622\n"
178 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
179#ifdef HAVE_XC3028
180 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite/Club3D ZAP-TV1x01\n"
181#endif
182 "\t\t\t 0 = Autodetect (default)\n"
183 "\t\t\t-1 = Ignore this card\n\t\t");
184MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
185MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
186MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
187MODULE_PARM_DESC(debug,
188 "Debug level (bitmask). Default: errors only\n"
bd58df6d 189 "\t\t\t(debug = 1023 gives full debugging)");
1a0adaf3
HV		 190MODULE_PARM_DESC(ivtv_pci_latency,
191 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
192 "\t\t\tDefault: Yes");
193MODULE_PARM_DESC(ivtv_yuv_mode,
194 "Specify the yuv playback mode:\n"
195 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
196 "\t\t\tDefault: 0 (interlaced)");
197MODULE_PARM_DESC(ivtv_yuv_threshold,
198 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
199 "\t\t\tDefault: 480");;
200MODULE_PARM_DESC(enc_mpg_buffers,
201 "Encoder MPG Buffers (in MB)\n"
202 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
203MODULE_PARM_DESC(enc_yuv_buffers,
204 "Encoder YUV Buffers (in MB)\n"
205 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
206MODULE_PARM_DESC(enc_vbi_buffers,
207 "Encoder VBI Buffers (in MB)\n"
208 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
209MODULE_PARM_DESC(enc_pcm_buffers,
210 "Encoder PCM buffers (in MB)\n"
211 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
212MODULE_PARM_DESC(dec_mpg_buffers,
213 "Decoder MPG buffers (in MB)\n"
214 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
215MODULE_PARM_DESC(dec_yuv_buffers,
216 "Decoder YUV buffers (in MB)\n"
217 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
218MODULE_PARM_DESC(dec_vbi_buffers,
219 "Decoder VBI buffers (in MB)\n"
220 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
221MODULE_PARM_DESC(newi2c,
222 "Use new I2C implementation\n"
223 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
224 "\t\t\tDefault is autodetect");
225
226MODULE_PARM_DESC(ivtv_first_minor, "Set minor assigned to first card");
227
228MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
229MODULE_DESCRIPTION("CX23415/CX23416 driver");
230MODULE_SUPPORTED_DEVICE
231 ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
232 "\t\t\tYuan MPG series and similar)");
233MODULE_LICENSE("GPL");
234
235MODULE_VERSION(IVTV_VERSION);
236
237void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
238{
239 itv->irqmask &= ~mask;
240 write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
241}
242
243void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
244{
245 itv->irqmask |= mask;
246 write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
247}
248
249int ivtv_set_output_mode(struct ivtv *itv, int mode)
250{
251 int old_mode;
252
253 spin_lock(&itv->lock);
254 old_mode = itv->output_mode;
255 if (old_mode == 0)
256 itv->output_mode = old_mode = mode;
257 spin_unlock(&itv->lock);
258 return old_mode;
259}
260
261struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
262{
263 switch (itv->output_mode) {
264 case OUT_MPG:
265 return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
266 case OUT_YUV:
267 return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
268 default:
269 return NULL;
270 }
271}
272
273int ivtv_waitq(wait_queue_head_t *waitq)
274{
275 DEFINE_WAIT(wait);
276
277 prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
278 schedule();
279 finish_wait(waitq, &wait);
280 return signal_pending(current) ? -EINTR : 0;
281}
282
283/* Generic utility functions */
201700d3 284int ivtv_msleep_timeout(unsigned int msecs, int intr)
1a0adaf3
HV		 285{
286 int ret;
201700d3 287 int timeout = msecs_to_jiffies(msecs);
1a0adaf3
HV		 288
289 do {
290 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
291 timeout = schedule_timeout(timeout);
292 if (intr && (ret = signal_pending(current)))
293 return ret;
294 } while (timeout);
295 return 0;
296}
297
298/* Release ioremapped memory */
299static void ivtv_iounmap(struct ivtv *itv)
300{
301 if (itv == NULL)
302 return;
303
304 /* Release registers memory */
305 if (itv->reg_mem != NULL) {
306 IVTV_DEBUG_INFO("releasing reg_mem\n");
307 iounmap(itv->reg_mem);
308 itv->reg_mem = NULL;
309 }
310 /* Release io memory */
311 if (itv->has_cx23415 && itv->dec_mem != NULL) {
312 IVTV_DEBUG_INFO("releasing dec_mem\n");
313 iounmap(itv->dec_mem);
314 }
315 itv->dec_mem = NULL;
316
317 /* Release io memory */
318 if (itv->enc_mem != NULL) {
319 IVTV_DEBUG_INFO("releasing enc_mem\n");
320 iounmap(itv->enc_mem);
321 itv->enc_mem = NULL;
322 }
323}
324
325/* Hauppauge card? get values from tveeprom */
326void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
327{
328 u8 eedata[256];
329
330 itv->i2c_client.addr = 0xA0 >> 1;
331 tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
332 tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
333}
334
335static void ivtv_process_eeprom(struct ivtv *itv)
336{
337 struct tveeprom tv;
338 int pci_slot = PCI_SLOT(itv->dev->devfn);
339
340 ivtv_read_eeprom(itv, &tv);
341
342 /* Many thanks to Steven Toth from Hauppauge for providing the
343 model numbers */
344 switch (tv.model) {
345 /* In a few cases the PCI subsystem IDs do not correctly
346 identify the card. A better method is to check the
347 model number from the eeprom instead. */
1b9d313c 348 case 30012 ... 30039: /* Low profile PVR250 */
1a0adaf3
HV		 349 case 32000 ... 32999:
350 case 48000 ... 48099: /* 48??? range are PVR250s with a cx23415 */
351 case 48400 ... 48599:
352 itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
353 break;
354 case 48100 ... 48399:
355 case 48600 ... 48999:
356 itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
357 break;
358 case 23000 ... 23999: /* PVR500 */
359 case 25000 ... 25999: /* Low profile PVR150 */
360 case 26000 ... 26999: /* Regular PVR150 */
361 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
362 break;
363 case 0:
364 IVTV_ERR("Invalid EEPROM\n");
365 return;
366 default:
367 IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
368 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
369 break;
370 }
371
372 switch (tv.model) {
373 /* Old style PVR350 (with an saa7114) uses this input for
374 the tuner. */
375 case 48254:
376 itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
377 break;
378 default:
379 break;
380 }
381
382 itv->v4l2_cap = itv->card->v4l2_capabilities;
383 itv->card_name = itv->card->name;
384
385 /* If this is a PVR500 then it should be possible to detect whether it is the
386 first or second unit by looking at the subsystem device ID: is bit 4 is
387 set, then it is the second unit (according to info from Hauppauge).
388
389 However, while this works for most cards, I have seen a few PVR500 cards
390 where both units have the same subsystem ID.
391
392 So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
393 PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
394 it is the second unit. It is possible that it is a different slot when ivtv is
395 used in Xen, in that case I ignore this card here. The worst that can happen
396 is that the card presents itself with a non-working radio device.
397
398 This detection is needed since the eeprom reports incorrectly that a radio is
399 present on the second unit. */
400 if (tv.model / 1000 == 23) {
401 itv->card_name = "WinTV PVR 500";
402 if (pci_slot == 8 || pci_slot == 9) {
403 int is_first = (pci_slot & 1) == 0;
404
405 itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
406 "WinTV PVR 500 (unit #2)";
407 if (!is_first) {
408 IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
409 tv.has_radio = 0;
410 }
411 }
412 }
413 IVTV_INFO("Autodetected %s\n", itv->card_name);
414
415 switch (tv.tuner_hauppauge_model) {
416 case 85:
417 case 99:
418 case 112:
419 itv->pvr150_workaround = 1;
420 break;
421 default:
422 break;
423 }
424 if (tv.tuner_type == TUNER_ABSENT)
425 IVTV_ERR("tveeprom cannot autodetect tuner!");
426
427 if (itv->options.tuner == -1)
428 itv->options.tuner = tv.tuner_type;
429 if (itv->options.radio == -1)
430 itv->options.radio = (tv.has_radio != 0);
431 /* only enable newi2c if an IR blaster is present */
432 /* FIXME: for 2.6.20 the test against 2 should be removed */
433 if (itv->options.newi2c == -1 && tv.has_ir != -1 && tv.has_ir != 2) {
434 itv->options.newi2c = (tv.has_ir & 2) ? 1 : 0;
435 if (itv->options.newi2c) {
ae38d93b 436 IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
1a0adaf3
HV		 437 exit_ivtv_i2c(itv);
438 init_ivtv_i2c(itv);
439 }
440 }
441
442 if (itv->std != 0)
443 /* user specified tuner standard */
444 return;
445
446 /* autodetect tuner standard */
447 if (tv.tuner_formats & V4L2_STD_PAL) {
448 IVTV_DEBUG_INFO("PAL tuner detected\n");
449 itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
450 } else if (tv.tuner_formats & V4L2_STD_NTSC) {
451 IVTV_DEBUG_INFO("NTSC tuner detected\n");
452 itv->std |= V4L2_STD_NTSC_M;
453 } else if (tv.tuner_formats & V4L2_STD_SECAM) {
454 IVTV_DEBUG_INFO("SECAM tuner detected\n");
455 itv->std |= V4L2_STD_SECAM_L;
456 } else {
457 IVTV_INFO("No tuner detected, default to NTSC-M\n");
458 itv->std |= V4L2_STD_NTSC_M;
459 }
460}
461
462static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
463{
464 switch (pal[0]) {
465 case '6':
466 return V4L2_STD_PAL_60;
467 case 'b':
468 case 'B':
469 case 'g':
470 case 'G':
471 return V4L2_STD_PAL_BG;
472 case 'h':
473 case 'H':
474 return V4L2_STD_PAL_H;
475 case 'n':
476 case 'N':
477 if (pal[1] == 'c' || pal[1] == 'C')
478 return V4L2_STD_PAL_Nc;
479 return V4L2_STD_PAL_N;
480 case 'i':
481 case 'I':
482 return V4L2_STD_PAL_I;
483 case 'd':
484 case 'D':
485 case 'k':
486 case 'K':
487 return V4L2_STD_PAL_DK;
488 case 'M':
489 case 'm':
490 return V4L2_STD_PAL_M;
491 case '-':
492 break;
493 default:
494 IVTV_WARN("pal= argument not recognised\n");
495 return 0;
496 }
497
498 switch (secam[0]) {
499 case 'b':
500 case 'B':
501 case 'g':
502 case 'G':
503 case 'h':
504 case 'H':
505 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
506 case 'd':
507 case 'D':
508 case 'k':
509 case 'K':
510 return V4L2_STD_SECAM_DK;
511 case 'l':
512 case 'L':
513 if (secam[1] == 'C' || secam[1] == 'c')
514 return V4L2_STD_SECAM_LC;
515 return V4L2_STD_SECAM_L;
516 case '-':
517 break;
518 default:
519 IVTV_WARN("secam= argument not recognised\n");
520 return 0;
521 }
522
523 switch (ntsc[0]) {
524 case 'm':
525 case 'M':
526 return V4L2_STD_NTSC_M;
527 case 'j':
528 case 'J':
529 return V4L2_STD_NTSC_M_JP;
530 case 'k':
531 case 'K':
532 return V4L2_STD_NTSC_M_KR;
533 case '-':
534 break;
535 default:
536 IVTV_WARN("ntsc= argument not recognised\n");
537 return 0;
538 }
539
540 /* no match found */
541 return 0;
542}
543
544static void ivtv_process_options(struct ivtv *itv)
545{
546 const char *chipname;
547 int i, j;
548
549 itv->options.megabytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
550 itv->options.megabytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
551 itv->options.megabytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
552 itv->options.megabytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
553 itv->options.megabytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers;
554 itv->options.megabytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers;
555 itv->options.megabytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
556 itv->options.cardtype = cardtype[itv->num];
557 itv->options.tuner = tuner[itv->num];
558 itv->options.radio = radio[itv->num];
559 itv->options.newi2c = newi2c;
560
561 itv->std = ivtv_parse_std(itv);
562 itv->has_cx23415 = (itv->dev->device == PCI_DEVICE_ID_IVTV15);
563 chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
564 if (itv->options.cardtype == -1) {
565 IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
566 return;
567 }
568 if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
569 IVTV_INFO("User specified %s card (detected %s based chip)\n",
570 itv->card->name, chipname);
571 } else if (itv->options.cardtype != 0) {
572 IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
573 }
574 if (itv->card == NULL) {
575 if (itv->dev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
576 itv->dev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
577 itv->dev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
578 itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
579 IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
580 chipname);
581 }
582 }
583 if (itv->card == NULL) {
584 for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
585 if (itv->card->pci_list == NULL)
586 continue;
587 for (j = 0; itv->card->pci_list[j].device; j++) {
588 if (itv->dev->device !=
589 itv->card->pci_list[j].device)
590 continue;
591 if (itv->dev->subsystem_vendor !=
592 itv->card->pci_list[j].subsystem_vendor)
593 continue;
594 if (itv->dev->subsystem_device !=
595 itv->card->pci_list[j].subsystem_device)
596 continue;
597 IVTV_INFO("Autodetected %s card (%s based)\n",
598 itv->card->name, chipname);
599 goto done;
600 }
601 }
602 }
603done:
604
605 if (itv->card == NULL) {
606 itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
607 IVTV_ERR("Unknown card: vendor/device: %04x/%04x\n",
608 itv->dev->vendor, itv->dev->device);
609 IVTV_ERR(" subsystem vendor/device: %04x/%04x\n",
610 itv->dev->subsystem_vendor, itv->dev->subsystem_device);
611 IVTV_ERR(" %s based\n", chipname);
612 IVTV_ERR("Defaulting to %s card\n", itv->card->name);
613 IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
614 IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
615 IVTV_ERR("Prefix your subject line with [UNKNOWN CARD].\n");
616 }
617 itv->v4l2_cap = itv->card->v4l2_capabilities;
618 itv->card_name = itv->card->name;
619}
620
621/* Precondition: the ivtv structure has been memset to 0. Only
622 the dev and num fields have been filled in.
623 No assumptions on the card type may be made here (see ivtv_init_struct2
624 for that).
625 */
626static int __devinit ivtv_init_struct1(struct ivtv *itv)
627{
628 itv->base_addr = pci_resource_start(itv->dev, 0);
629 itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
630 itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
631
f8859691 632 mutex_init(&itv->serialize_lock);
1a0adaf3
HV		 633 mutex_init(&itv->i2c_bus_lock);
634 mutex_init(&itv->udma.lock);
635
d6102900
HV		 636 spin_lock_init(&itv->lock);
637 spin_lock_init(&itv->dma_reg_lock);
1a0adaf3 638
1e13f9e3
HV		 639 itv->irq_work_queues = create_workqueue(itv->name);
640 if (itv->irq_work_queues == NULL) {
641 IVTV_ERR("Could not create ivtv workqueue\n");
1a0adaf3
HV		 642 return -1;
643 }
644
1e13f9e3 645 INIT_WORK(&itv->irq_work_queue, ivtv_irq_work_handler);
1a0adaf3
HV		 646
647 /* start counting open_id at 1 */
648 itv->open_id = 1;
649
650 /* Initial settings */
651 cx2341x_fill_defaults(&itv->params);
652 itv->params.port = CX2341X_PORT_MEMORY;
653 itv->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
654 init_waitqueue_head(&itv->cap_w);
655 init_waitqueue_head(&itv->event_waitq);
656 init_waitqueue_head(&itv->vsync_waitq);
657 init_waitqueue_head(&itv->dma_waitq);
658 init_timer(&itv->dma_timer);
659 itv->dma_timer.function = ivtv_unfinished_dma;
660 itv->dma_timer.data = (unsigned long)itv;
661
662 itv->cur_dma_stream = -1;
dc02d50a 663 itv->cur_pio_stream = -1;
1a0adaf3
HV		 664 itv->audio_stereo_mode = AUDIO_STEREO;
665 itv->audio_bilingual_mode = AUDIO_MONO_LEFT;
666
667 /* Ctrls */
668 itv->speed = 1000;
669
670 /* VBI */
671 itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
672 itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
673
674 /* OSD */
675 itv->osd_global_alpha_state = 1;
676 itv->osd_global_alpha = 255;
677
678 /* YUV */
679 atomic_set(&itv->yuv_info.next_dma_frame, -1);
680 itv->yuv_info.lace_mode = ivtv_yuv_mode;
681 itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
682 return 0;
683}
684
685/* Second initialization part. Here the card type has been
686 autodetected. */
687static void __devinit ivtv_init_struct2(struct ivtv *itv)
688{
689 int i;
690
691 for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
692 if (itv->card->video_inputs[i].video_type == 0)
693 break;
694 itv->nof_inputs = i;
695 for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
696 if (itv->card->audio_inputs[i].audio_type == 0)
697 break;
698 itv->nof_audio_inputs = i;
699
700 /* 0x00EF = saa7114(239) 0x00F0 = saa7115(240) 0x0106 = micro */
701 if (itv->card->hw_all & (IVTV_HW_SAA7115 | IVTV_HW_SAA717X))
702 itv->digitizer = 0xF1;
703 else if (itv->card->hw_all & IVTV_HW_SAA7114)
704 itv->digitizer = 0xEF;
705 else /* cx25840 */
706 itv->digitizer = 0x140;
707
708 if (itv->card->hw_all & IVTV_HW_CX25840) {
709 itv->vbi.sliced_size = 288; /* multiple of 16, real size = 284 */
710 } else {
711 itv->vbi.sliced_size = 64; /* multiple of 16, real size = 52 */
712 }
713
714 /* Find tuner input */
715 for (i = 0; i < itv->nof_inputs; i++) {
716 if (itv->card->video_inputs[i].video_type ==
717 IVTV_CARD_INPUT_VID_TUNER)
718 break;
719 }
720 if (i == itv->nof_inputs)
721 i = 0;
722 itv->active_input = i;
723 itv->audio_input = itv->card->video_inputs[i].audio_index;
724 if (itv->card->hw_all & IVTV_HW_CX25840)
725 itv->video_dec_func = ivtv_cx25840;
726 else if (itv->card->hw_all & IVTV_HW_SAA717X)
727 itv->video_dec_func = ivtv_saa717x;
728 else
729 itv->video_dec_func = ivtv_saa7115;
730}
731
732static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev,
733 const struct pci_device_id *pci_id)
734{
735 u16 cmd;
736 unsigned char pci_latency;
737
738 IVTV_DEBUG_INFO("Enabling pci device\n");
739
740 if (pci_enable_device(dev)) {
741 IVTV_ERR("Can't enable device %d!\n", itv->num);
742 return -EIO;
743 }
744 if (pci_set_dma_mask(dev, 0xffffffff)) {
745 IVTV_ERR("No suitable DMA available on card %d.\n", itv->num);
746 return -EIO;
747 }
748 if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
749 IVTV_ERR("Cannot request encoder memory region on card %d.\n", itv->num);
750 return -EIO;
751 }
752
753 if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
754 IVTV_REG_SIZE, "ivtv registers")) {
755 IVTV_ERR("Cannot request register memory region on card %d.\n", itv->num);
756 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
757 return -EIO;
758 }
759
760 if (itv->has_cx23415 &&
761 !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
762 IVTV_DECODER_SIZE, "ivtv decoder")) {
763 IVTV_ERR("Cannot request decoder memory region on card %d.\n", itv->num);
764 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
765 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
766 return -EIO;
767 }
768
769 /* Check for bus mastering */
770 pci_read_config_word(dev, PCI_COMMAND, &cmd);
771 if (!(cmd & PCI_COMMAND_MASTER)) {
772 IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
773 pci_set_master(dev);
774 pci_read_config_word(dev, PCI_COMMAND, &cmd);
775 if (!(cmd & PCI_COMMAND_MASTER)) {
776 IVTV_ERR("Bus Mastering is not enabled\n");
777 return -ENXIO;
778 }
779 }
780 IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
781
782 pci_read_config_byte(dev, PCI_CLASS_REVISION, &itv->card_rev);
783 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
784
785 if (pci_latency < 64 && ivtv_pci_latency) {
786 IVTV_INFO("Unreasonably low latency timer, "
787 "setting to 64 (was %d)\n", pci_latency);
788 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64);
789 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
790 }
791 /* This config space value relates to DMA latencies. The
792 default value 0x8080 is too low however and will lead
793 to DMA errors. 0xffff is the max value which solves
794 these problems. */
795 pci_write_config_dword(dev, 0x40, 0xffff);
796
797 IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
798 "irq: %d, latency: %d, memory: 0x%lx\n",
799 itv->dev->device, itv->card_rev, dev->bus->number,
800 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn),
801 itv->dev->irq, pci_latency, (unsigned long)itv->base_addr);
802
803 return 0;
804}
805
806static void ivtv_request_module(struct ivtv *itv, const char *name)
807{
808 if (request_module(name) != 0) {
809 IVTV_ERR("Failed to load module %s\n", name);
810 } else {
811 IVTV_DEBUG_INFO("Loaded module %s\n", name);
812 }
813}
814
815static void ivtv_load_and_init_modules(struct ivtv *itv)
816{
817 struct v4l2_control ctrl;
818 u32 hw = itv->card->hw_all;
819 int i;
820
821 /* load modules */
822#ifndef CONFIG_VIDEO_TUNER
823 if (hw & IVTV_HW_TUNER) {
824 ivtv_request_module(itv, "tuner");
825#ifdef HAVE_XC3028
826 if (itv->options.tuner == TUNER_XCEIVE_XC3028)
827 ivtv_request_module(itv, "xc3028-tuner");
828#endif
829 }
830#endif
831#ifndef CONFIG_VIDEO_CX25840
832 if (hw & IVTV_HW_CX25840)
833 ivtv_request_module(itv, "cx25840");
834#endif
835#ifndef CONFIG_VIDEO_SAA711X
836 if (hw & IVTV_HW_SAA711X)
837 ivtv_request_module(itv, "saa7115");
838#endif
839#ifndef CONFIG_VIDEO_SAA7127
840 if (hw & IVTV_HW_SAA7127)
841 ivtv_request_module(itv, "saa7127");
842#endif
843 if (hw & IVTV_HW_SAA717X)
844 ivtv_request_module(itv, "saa717x");
845#ifndef CONFIG_VIDEO_UPD64031A
846 if (hw & IVTV_HW_UPD64031A)
847 ivtv_request_module(itv, "upd64031a");
848#endif
849#ifndef CONFIG_VIDEO_UPD64083
850 if (hw & IVTV_HW_UPD6408X)
851 ivtv_request_module(itv, "upd64083");
852#endif
853#ifndef CONFIG_VIDEO_MSP3400
854 if (hw & IVTV_HW_MSP34XX)
855 ivtv_request_module(itv, "msp3400");
856#endif
857 if (hw & IVTV_HW_TVAUDIO)
858 ivtv_request_module(itv, "tvaudio");
859#ifndef CONFIG_VIDEO_WM8775
860 if (hw & IVTV_HW_WM8775)
861 ivtv_request_module(itv, "wm8775");
862#endif
863#ifndef CONFIG_VIDEO_WM8739
864 if (hw & IVTV_HW_WM8739)
865 ivtv_request_module(itv, "wm8739");
866#endif
867#ifndef CONFIG_VIDEO_CS53L32A
868 if (hw & IVTV_HW_CS53L32A)
869 ivtv_request_module(itv, "cs53l32a");
870#endif
871
872 /* check which i2c devices are actually found */
873 for (i = 0; i < 32; i++) {
874 u32 device = 1 << i;
875
876 if (!(device & hw))
877 continue;
878 if (device == IVTV_HW_GPIO) {
879 /* GPIO is always available */
880 itv->hw_flags |= IVTV_HW_GPIO;
881 continue;
882 }
883 if (ivtv_i2c_hw_addr(itv, device) > 0)
884 itv->hw_flags |= device;
885 }
886
887 hw = itv->hw_flags;
888
889 if (itv->card->type == IVTV_CARD_CX23416GYC) {
890 /* Several variations of this card exist, detect which card
891 type should be used. */
892 if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
893 itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
894 else if ((hw & IVTV_HW_UPD64031A) == 0)
895 itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
896 }
897
898 if (hw & IVTV_HW_CX25840) {
899 /* CX25840_CID_ENABLE_PVR150_WORKAROUND */
900 ctrl.id = V4L2_CID_PRIVATE_BASE;
901 ctrl.value = itv->pvr150_workaround;
902 itv->video_dec_func(itv, VIDIOC_S_CTRL, &ctrl);
903
904 itv->vbi.raw_decoder_line_size = 1444;
905 itv->vbi.raw_decoder_sav_odd_field = 0x20;
906 itv->vbi.raw_decoder_sav_even_field = 0x60;
907 itv->vbi.sliced_decoder_line_size = 272;
908 itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
909 itv->vbi.sliced_decoder_sav_even_field = 0xF0;
910 }
911
912 if (hw & IVTV_HW_SAA711X) {
913 struct v4l2_chip_ident v = { V4L2_CHIP_MATCH_I2C_DRIVER, I2C_DRIVERID_SAA711X };
914
915 /* determine the exact saa711x model */
916 itv->hw_flags &= ~IVTV_HW_SAA711X;
917
918 ivtv_saa7115(itv, VIDIOC_G_CHIP_IDENT, &v);
919 if (v.ident == V4L2_IDENT_SAA7114) {
920 itv->hw_flags |= IVTV_HW_SAA7114;
921 /* VBI is not yet supported by the saa7114 driver. */
922 itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
923 }
924 else {
925 itv->hw_flags |= IVTV_HW_SAA7115;
926 }
927 itv->vbi.raw_decoder_line_size = 1443;
928 itv->vbi.raw_decoder_sav_odd_field = 0x25;
929 itv->vbi.raw_decoder_sav_even_field = 0x62;
930 itv->vbi.sliced_decoder_line_size = 51;
931 itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
932 itv->vbi.sliced_decoder_sav_even_field = 0xEC;
933 }
934
935 if (hw & IVTV_HW_SAA717X) {
936 itv->vbi.raw_decoder_line_size = 1443;
937 itv->vbi.raw_decoder_sav_odd_field = 0x25;
938 itv->vbi.raw_decoder_sav_even_field = 0x62;
939 itv->vbi.sliced_decoder_line_size = 51;
940 itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
941 itv->vbi.sliced_decoder_sav_even_field = 0xEC;
942 }
943}
944
945static int __devinit ivtv_probe(struct pci_dev *dev,
946 const struct pci_device_id *pci_id)
947{
948 int retval = 0;
949 int video_input;
950 int yuv_buf_size;
951 int vbi_buf_size;
952 int fw_retry_count = 3;
953 struct ivtv *itv;
954 struct v4l2_frequency vf;
955
956 spin_lock(&ivtv_cards_lock);
957
958 /* Make sure we've got a place for this card */
959 if (ivtv_cards_active == IVTV_MAX_CARDS) {
ae38d93b 960 printk(KERN_ERR "ivtv: Maximum number of cards detected (%d)\n",
1a0adaf3
HV		 961 ivtv_cards_active);
962 spin_unlock(&ivtv_cards_lock);
963 return -ENOMEM;
964 }
965
966 itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
967 if (itv == 0) {
968 spin_unlock(&ivtv_cards_lock);
969 return -ENOMEM;
970 }
971 ivtv_cards[ivtv_cards_active] = itv;
972 itv->dev = dev;
973 itv->num = ivtv_cards_active++;
974 snprintf(itv->name, sizeof(itv->name) - 1, "ivtv%d", itv->num);
ae38d93b 975 IVTV_INFO("Initializing card #%d\n", itv->num);
1a0adaf3
HV		 976
977 spin_unlock(&ivtv_cards_lock);
978
979 ivtv_process_options(itv);
980 if (itv->options.cardtype == -1) {
981 retval = -ENODEV;
982 goto err;
983 }
984 if (ivtv_init_struct1(itv)) {
985 retval = -ENOMEM;
986 goto err;
987 }
988
989 IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr);
990
991 /* PCI Device Setup */
992 if ((retval = ivtv_setup_pci(itv, dev, pci_id)) != 0) {
993 if (retval == -EIO)
994 goto free_workqueue;
995 else if (retval == -ENXIO)
996 goto free_mem;
997 }
998 /* save itv in the pci struct for later use */
999 pci_set_drvdata(dev, itv);
1000
1001 /* map io memory */
1002 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1003 itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1004 itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1005 IVTV_ENCODER_SIZE);
1006 if (!itv->enc_mem) {
1007 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
1008 IVTV_ERR("or disabling CONFIG_HIMEM4G into the kernel would help\n");
1009 retval = -ENOMEM;
1010 goto free_mem;
1011 }
1012
1013 if (itv->has_cx23415) {
1014 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1015 itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1016 itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1017 IVTV_DECODER_SIZE);
1018 if (!itv->dec_mem) {
1019 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
1020 IVTV_ERR("or disabling CONFIG_HIMEM4G into the kernel would help\n");
1021 retval = -ENOMEM;
1022 goto free_mem;
1023 }
1024 }
1025 else {
1026 itv->dec_mem = itv->enc_mem;
1027 }
1028
1029 /* map registers memory */
1030 IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
1031 itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1032 itv->reg_mem =
1033 ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1034 if (!itv->reg_mem) {
1035 IVTV_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
1036 IVTV_ERR("or disabling CONFIG_HIMEM4G into the kernel would help\n");
1037 retval = -ENOMEM;
1038 goto free_io;
1039 }
1040
1041 while (--fw_retry_count > 0) {
1042 /* load firmware */
1043 if (ivtv_firmware_init(itv) == 0)
1044 break;
1045 if (fw_retry_count > 1)
1046 IVTV_WARN("Retry loading firmware\n");
1047 }
1048 if (fw_retry_count == 0) {
1049 IVTV_ERR("Error initializing firmware\n");
1050 goto free_i2c;
1051 }
1052
1053 /* Try and get firmware versions */
1054 IVTV_DEBUG_INFO("Getting firmware version..\n");
1055 ivtv_firmware_versions(itv);
1056
1057 /* Check yuv output filter table */
1058 if (itv->has_cx23415) ivtv_yuv_filter_check(itv);
1059
1060 ivtv_gpio_init(itv);
1061
1062 /* active i2c */
1063 IVTV_DEBUG_INFO("activating i2c...\n");
1064 if (init_ivtv_i2c(itv)) {
1065 IVTV_ERR("Could not initialize i2c\n");
1066 goto free_irq;
1067 }
1068
1069 IVTV_DEBUG_INFO("Active card count: %d.\n", ivtv_cards_active);
1070
1071 if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1072#ifdef CONFIG_VIDEO_TVEEPROM_MODULE
1073 ivtv_request_module(itv, "tveeprom");
1074#endif
1075 /* Based on the model number the cardtype may be changed.
1076 The PCI IDs are not always reliable. */
1077 ivtv_process_eeprom(itv);
1078 }
1079
1080 if (itv->std == 0) {
1081 itv->std = V4L2_STD_NTSC_M;
1082 }
1083
1084 if (itv->options.tuner == -1) {
1085 int i;
1086
1087 for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1088 if ((itv->std & itv->card->tuners[i].std) == 0)
1089 continue;
1090 itv->options.tuner = itv->card->tuners[i].tuner;
1091 break;
1092 }
1093 }
1094 /* if no tuner was found, then pick the first tuner in the card list */
1095 if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1096 itv->std = itv->card->tuners[0].std;
1097 itv->options.tuner = itv->card->tuners[0].tuner;
1098 }
1099 if (itv->options.radio == -1)
1100 itv->options.radio = (itv->card->radio_input.audio_type != 0);
1101
1102 /* The card is now fully identified, continue with card-specific
1103 initialization. */
1104 ivtv_init_struct2(itv);
1105
1106 ivtv_load_and_init_modules(itv);
1107
1108 if (itv->std & V4L2_STD_525_60) {
1109 itv->is_60hz = 1;
1110 itv->is_out_60hz = 1;
1111 } else {
1112 itv->is_50hz = 1;
1113 itv->is_out_50hz = 1;
1114 }
1115 itv->params.video_gop_size = itv->is_60hz ? 15 : 12;
1116
1117 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1118 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1119 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1120
1121 /* 0x15180 == 720 * 480 / 4, 0x19500 == 720 * 576 / 4 */
1122 yuv_buf_size = itv->is_60hz ? 0x15180 : 0x19500;
1123 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = yuv_buf_size / 2;
1124 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = yuv_buf_size / 8;
1125
1126 /* Setup VBI Raw Size. Should be big enough to hold PAL.
1127 It is possible to switch between PAL and NTSC, so we need to
1128 take the largest size here. */
1129 /* 1456 is multiple of 16, real size = 1444 */
1130 itv->vbi.raw_size = 1456;
1131 /* We use a buffer size of 1/2 of the total size needed for a
1132 frame. This is actually very useful, since we now receive
1133 a field at a time and that makes 'compressing' the raw data
1134 down to size by stripping off the SAV codes a lot easier.
1135 Note: having two different buffer sizes prevents standard
1136 switching on the fly. We need to find a better solution... */
1137 vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1138 itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1139 itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1140
1141 if (itv->options.radio > 0)
1142 itv->v4l2_cap |= V4L2_CAP_RADIO;
1143
1a0adaf3
HV		 1144 if (itv->options.tuner > -1) {
1145 struct tuner_setup setup;
1146
1147 setup.addr = ADDR_UNSET;
1148 setup.type = itv->options.tuner;
1149 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
1150#ifdef HAVE_XC3028
1151 setup.initmode = V4L2_TUNER_ANALOG_TV;
1152 if (itv->options.tuner == TUNER_XCEIVE_XC3028) {
1153 setup.gpio_write = ivtv_reset_tuner_gpio;
1154 setup.gpio_priv = itv;
1155 }
1156#endif
1157 ivtv_call_i2c_clients(itv, TUNER_SET_TYPE_ADDR, &setup);
1158 }
1159
1160 vf.tuner = 0;
1161 vf.type = V4L2_TUNER_ANALOG_TV;
1162 vf.frequency = 6400; /* the tuner 'baseline' frequency */
baa05e4b
HV		 1163
1164 /* Set initial frequency. For PAL/SECAM broadcasts no
1165 'default' channel exists AFAIK. */
1166 if (itv->std == V4L2_STD_NTSC_M_JP) {
1167 vf.frequency = 1460; /* ch. 1 91250*16/1000 */
1168 }
1169 else if (itv->std & V4L2_STD_NTSC_M) {
1a0adaf3
HV		 1170 vf.frequency = 1076; /* ch. 4 67250*16/1000 */
1171 }
1172
1173 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1174 are not. */
1175 itv->tuner_std = itv->std;
1176
1177 video_input = itv->active_input;
1178 itv->active_input++; /* Force update of input */
1179 ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_INPUT, &video_input);
1180
1181 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1182 in one place. */
1183 itv->std++; /* Force full standard initialization */
1184 itv->std_out = itv->std;
1a0adaf3 1185 ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_FREQUENCY, &vf);
fee73165
HV		 1186
1187 retval = ivtv_streams_setup(itv);
1188 if (retval) {
1189 IVTV_ERR("Error %d setting up streams\n", retval);
1190 goto free_i2c;
1191 }
1192
1193 if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1194 ivtv_init_mpeg_decoder(itv);
1195 }
31a7c549 1196 ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_STD, &itv->tuner_std);
fee73165
HV		 1197
1198 IVTV_DEBUG_IRQ("Masking interrupts\n");
1199 /* clear interrupt mask, effectively disabling interrupts */
1200 ivtv_set_irq_mask(itv, 0xffffffff);
1201
1202 /* Register IRQ */
1203 retval = request_irq(itv->dev->irq, ivtv_irq_handler,
1204 IRQF_SHARED | IRQF_DISABLED, itv->name, (void *)itv);
1205 if (retval) {
1206 IVTV_ERR("Failed to register irq %d\n", retval);
1207 goto free_streams;
1208 }
1209
1210 /* On a cx23416 this seems to be able to enable DMA to the chip? */
1211 if (!itv->has_cx23415)
1212 write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1213
1214 /* Default interrupts enabled. For the PVR350 this includes the
1215 decoder VSYNC interrupt, which is always on. It is not only used
1216 during decoding but also by the OSD.
1217 Some old PVR250 cards had a cx23415, so testing for that is too
1218 general. Instead test if the card has video output capability. */
1219 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1220 ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1221 else
1222 ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1223
1a0adaf3
HV		 1224 if (itv->has_cx23415)
1225 ivtv_set_osd_alpha(itv);
1226
ae38d93b 1227 IVTV_INFO("Initialized card #%d: %s\n", itv->num, itv->card_name);
1a0adaf3
HV		 1228
1229 return 0;
1230
1231 free_irq:
1232 free_irq(itv->dev->irq, (void *)itv);
1233 free_streams:
1234 ivtv_streams_cleanup(itv);
1235 free_i2c:
1236 exit_ivtv_i2c(itv);
1237 free_io:
1238 ivtv_iounmap(itv);
1239 free_mem:
1240 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1241 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1242 if (itv->has_cx23415)
1243 release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1244 free_workqueue:
1e13f9e3 1245 destroy_workqueue(itv->irq_work_queues);
1a0adaf3
HV		 1246 err:
1247 if (retval == 0)
1248 retval = -ENODEV;
1249 IVTV_ERR("Error %d on initialization\n", retval);
1250
32db7754 1251 spin_lock(&ivtv_cards_lock);
1a0adaf3
HV		 1252 kfree(ivtv_cards[ivtv_cards_active]);
1253 ivtv_cards[ivtv_cards_active] = NULL;
32db7754 1254 spin_unlock(&ivtv_cards_lock);
1a0adaf3
HV		 1255 return retval;
1256}
1257
1258static void ivtv_remove(struct pci_dev *pci_dev)
1259{
1260 struct ivtv *itv = pci_get_drvdata(pci_dev);
1261
ae38d93b 1262 IVTV_DEBUG_INFO("Removing Card #%d\n", itv->num);
1a0adaf3
HV		 1263
1264 /* Stop all captures */
ae38d93b 1265 IVTV_DEBUG_INFO("Stopping all streams\n");
1a0adaf3
HV		 1266 if (atomic_read(&itv->capturing) > 0)
1267 ivtv_stop_all_captures(itv);
1268
1269 /* Stop all decoding */
ae38d93b 1270 IVTV_DEBUG_INFO("Stopping decoding\n");
1a0adaf3
HV		 1271 if (atomic_read(&itv->decoding) > 0) {
1272 int type;
1273
1274 if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1275 type = IVTV_DEC_STREAM_TYPE_YUV;
1276 else
1277 type = IVTV_DEC_STREAM_TYPE_MPG;
1278 ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1279 VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
1280 }
1281
1282 /* Interrupts */
ae38d93b 1283 IVTV_DEBUG_INFO("Disabling interrupts\n");
1a0adaf3
HV		 1284 ivtv_set_irq_mask(itv, 0xffffffff);
1285 del_timer_sync(&itv->dma_timer);
1286
1287 /* Stop all Work Queues */
ae38d93b 1288 IVTV_DEBUG_INFO("Stop Work Queues\n");
1e13f9e3
HV		 1289 flush_workqueue(itv->irq_work_queues);
1290 destroy_workqueue(itv->irq_work_queues);
1a0adaf3 1291
ae38d93b 1292 IVTV_DEBUG_INFO("Stopping Firmware\n");
1a0adaf3
HV		 1293 ivtv_halt_firmware(itv);
1294
ae38d93b 1295 IVTV_DEBUG_INFO("Unregistering v4l devices\n");
1a0adaf3 1296 ivtv_streams_cleanup(itv);
ae38d93b 1297 IVTV_DEBUG_INFO("Freeing dma resources\n");
1a0adaf3
HV		 1298 ivtv_udma_free(itv);
1299
1300 exit_ivtv_i2c(itv);
1301
ae38d93b 1302 IVTV_DEBUG_INFO(" Releasing irq\n");
1a0adaf3 1303 free_irq(itv->dev->irq, (void *)itv);
27b5a395 1304 ivtv_iounmap(itv);
1a0adaf3 1305
ae38d93b 1306 IVTV_DEBUG_INFO(" Releasing mem\n");
1a0adaf3
HV		 1307 release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1308 release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1309 if (itv->has_cx23415)
1310 release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1311
1312 pci_disable_device(itv->dev);
1313
1314 IVTV_INFO("Removed %s, card #%d\n", itv->card_name, itv->num);
1315}
1316
1317/* define a pci_driver for card detection */
1318static struct pci_driver ivtv_pci_driver = {
1319 .name = "ivtv",
1320 .id_table = ivtv_pci_tbl,
1321 .probe = ivtv_probe,
1322 .remove = ivtv_remove,
1323};
1324
1325static int module_start(void)
1326{
ae38d93b 1327 printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1a0adaf3
HV		 1328
1329 memset(ivtv_cards, 0, sizeof(ivtv_cards));
1330
1331 /* Validate parameters */
1332 if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
ae38d93b 1333 printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1a0adaf3
HV		 1334 IVTV_MAX_CARDS - 1);
1335 return -1;
1336 }
1337
bd58df6d 1338 if (ivtv_debug < 0 || ivtv_debug > 1023) {
1a0adaf3 1339 ivtv_debug = 0;
ae38d93b 1340 printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 1023\n");
1a0adaf3
HV		 1341 }
1342
6773c1c2 1343 if (pci_register_driver(&ivtv_pci_driver)) {
1a0adaf3
HV		 1344 printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1345 return -ENODEV;
1346 }
ae38d93b 1347 printk(KERN_INFO "ivtv: End initialization\n");
1a0adaf3
HV		 1348 return 0;
1349}
1350
1351static void module_cleanup(void)
1352{
1353 int i, j;
1354
f40a2916
HV		 1355 pci_unregister_driver(&ivtv_pci_driver);
1356
32db7754 1357 spin_lock(&ivtv_cards_lock);
1a0adaf3
HV		 1358 for (i = 0; i < ivtv_cards_active; i++) {
1359 if (ivtv_cards[i] == NULL)
1360 continue;
1361 for (j = 0; j < IVTV_VBI_FRAMES; j++) {
1362 kfree(ivtv_cards[i]->vbi.sliced_mpeg_data[j]);
1363 }
1364 kfree(ivtv_cards[i]);
1365 }
32db7754 1366 spin_unlock(&ivtv_cards_lock);
1a0adaf3
HV		 1367}
1368
b6735ac2
HV		 1369/* Note: These symbols are exported because they are used by the ivtv-fb
1370 framebuffer module and an infrared module for the IR-blaster. */
1a0adaf3
HV		 1371EXPORT_SYMBOL(ivtv_set_irq_mask);
1372EXPORT_SYMBOL(ivtv_cards_active);
1373EXPORT_SYMBOL(ivtv_cards);
32db7754 1374EXPORT_SYMBOL(ivtv_cards_lock);
1a0adaf3
HV		 1375EXPORT_SYMBOL(ivtv_api);
1376EXPORT_SYMBOL(ivtv_vapi);
1377EXPORT_SYMBOL(ivtv_vapi_result);
1378EXPORT_SYMBOL(ivtv_clear_irq_mask);
1379EXPORT_SYMBOL(ivtv_debug);
1380EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1381EXPORT_SYMBOL(ivtv_udma_setup);
1382EXPORT_SYMBOL(ivtv_udma_unmap);
1383EXPORT_SYMBOL(ivtv_udma_alloc);
1384EXPORT_SYMBOL(ivtv_udma_prepare);
1385
1386module_init(module_start);
1387module_exit(module_cleanup);
Linux 6.x block layer and io_uring tree(s)