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