1/*
2    ivtv driver initialization and card probing
3    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
4    Copyright (C) 2004  Chris Kennedy <c@groovy.org>
5    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program; if not, write to the Free Software
19    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20 */
21
22/* Main Driver file for the ivtv project:
23 * Driver for the Conexant CX23415/CX23416 chip.
24 * Author: Kevin Thayer (nufan_wfk at yahoo.com)
25 * License: GPL
26 * http://www.ivtvdriver.org
27 *
28 * -----
29 * MPG600/MPG160 support by  T.Adachi <tadachi@tadachi-net.com>
30 *                      and Takeru KOMORIYA<komoriya@paken.org>
31 *
32 * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
33 *                using information provided by Jiun-Kuei Jung @ AVerMedia.
34 *
35 * Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
36 *                using information from T.Adachi,Takeru KOMORIYA and others :-)
37 *
38 * Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
39 *                version by T.Adachi. Special thanks  Mr.Suzuki
40 */
41
42#include "ivtv-driver.h"
43#include "ivtv-version.h"
44#include "ivtv-fileops.h"
45#include "ivtv-i2c.h"
46#include "ivtv-firmware.h"
47#include "ivtv-queue.h"
48#include "ivtv-udma.h"
49#include "ivtv-irq.h"
50#include "ivtv-mailbox.h"
51#include "ivtv-streams.h"
52#include "ivtv-ioctl.h"
53#include "ivtv-cards.h"
54#include "ivtv-vbi.h"
55#include "ivtv-routing.h"
56#include "ivtv-controls.h"
57#include "ivtv-gpio.h"
58#include <linux/dma-mapping.h>
59#include <media/tveeprom.h>
60#include <media/saa7115.h>
61#include "tuner-xc2028.h"
62
63/* If you have already X v4l cards, then set this to X. This way
64   the device numbers stay matched. Example: you have a WinTV card
65   without radio and a PVR-350 with. Normally this would give a
66   video1 device together with a radio0 device for the PVR. By
67   setting this to 1 you ensure that radio0 is now also radio1. */
68int ivtv_first_minor;
69
70/* Callback for registering extensions */
71int (*ivtv_ext_init)(struct ivtv *);
72EXPORT_SYMBOL(ivtv_ext_init);
73
74/* add your revision and whatnot here */
75static struct pci_device_id ivtv_pci_tbl[] = {
76	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
77	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
78	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
79	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
80	{0,}
81};
82
83MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
84
85/* ivtv instance counter */
86static atomic_t ivtv_instance = ATOMIC_INIT(0);
87
88/* Parameter declarations */
89static int cardtype[IVTV_MAX_CARDS];
90static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
91				     -1, -1, -1, -1, -1, -1, -1, -1,
92				     -1, -1, -1, -1, -1, -1, -1, -1,
93				     -1, -1, -1, -1, -1, -1, -1, -1 };
94static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
95				     -1, -1, -1, -1, -1, -1, -1, -1,
96				     -1, -1, -1, -1, -1, -1, -1, -1,
97				     -1, -1, -1, -1, -1, -1, -1, -1 };
98static int i2c_clock_period[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 };
102
103static unsigned int cardtype_c = 1;
104static unsigned int tuner_c = 1;
105static int radio_c = 1;
106static unsigned int i2c_clock_period_c = 1;
107static char pal[] = "---";
108static char secam[] = "--";
109static char ntsc[] = "-";
110
111/* Buffers */
112
113/* DMA Buffers, Default size in MB allocated */
114#define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
115#define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
116#define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
117/* Exception: size in kB for this stream (MB is overkill) */
118#define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
119#define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
120#define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
121/* Exception: size in kB for this stream (MB is way overkill) */
122#define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
123
124static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
125static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
126static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
127static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
128static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
129static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
130static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
131
132static int ivtv_yuv_mode;
133static int ivtv_yuv_threshold = -1;
134static int ivtv_pci_latency = 1;
135
136int ivtv_debug;
137#ifdef CONFIG_VIDEO_ADV_DEBUG
138int ivtv_fw_debug;
139#endif
140
141static int tunertype = -1;
142static int newi2c = -1;
143
144module_param_array(tuner, int, &tuner_c, 0644);
145module_param_array(radio, int, &radio_c, 0644);
146module_param_array(cardtype, int, &cardtype_c, 0644);
147module_param_string(pal, pal, sizeof(pal), 0644);
148module_param_string(secam, secam, sizeof(secam), 0644);
149module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
150module_param_named(debug,ivtv_debug, int, 0644);
151#ifdef CONFIG_VIDEO_ADV_DEBUG
152module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
153#endif
154module_param(ivtv_pci_latency, int, 0644);
155module_param(ivtv_yuv_mode, int, 0644);
156module_param(ivtv_yuv_threshold, int, 0644);
157module_param(ivtv_first_minor, int, 0644);
158
159module_param(enc_mpg_buffers, int, 0644);
160module_param(enc_yuv_buffers, int, 0644);
161module_param(enc_vbi_buffers, int, 0644);
162module_param(enc_pcm_buffers, int, 0644);
163module_param(dec_mpg_buffers, int, 0644);
164module_param(dec_yuv_buffers, int, 0644);
165module_param(dec_vbi_buffers, int, 0644);
166
167module_param(tunertype, int, 0644);
168module_param(newi2c, int, 0644);
169module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
170
171MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
172			"\t\t\tsee tuner.h for values");
173MODULE_PARM_DESC(radio,
174		 "Enable or disable the radio. Use only if autodetection\n"
175		 "\t\t\tfails. 0 = disable, 1 = enable");
176MODULE_PARM_DESC(cardtype,
177		 "Only use this option if your card is not detected properly.\n"
178		 "\t\tSpecify card type:\n"
179		 "\t\t\t 1 = WinTV PVR 250\n"
180		 "\t\t\t 2 = WinTV PVR 350\n"
181		 "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
182		 "\t\t\t 4 = AVerMedia M179\n"
183		 "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
184		 "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
185		 "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
186		 "\t\t\t 8 = Adaptec AVC-2410\n"
187		 "\t\t\t 9 = Adaptec AVC-2010\n"
188		 "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
189		 "\t\t\t11 = AOpen VA2000MAX-STN6\n"
190		 "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
191		 "\t\t\t13 = I/O Data GV-MVP/RX\n"
192		 "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
193		 "\t\t\t15 = GOTVIEW PCI DVD\n"
194		 "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
195		 "\t\t\t17 = Yuan MPC622\n"
196		 "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
197		 "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
198		 "\t\t\t20 = Club3D ZAP-TV1x01\n"
199		 "\t\t\t21 = AverTV MCE 116 Plus\n"
200		 "\t\t\t22 = ASUS Falcon2\n"
201		 "\t\t\t23 = AverMedia PVR-150 Plus\n"
202		 "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
203		 "\t\t\t25 = AverMedia M104 (not yet working)\n"
204		 "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
205		 "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
206		 "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
207		 "\t\t\t 0 = Autodetect (default)\n"
208		 "\t\t\t-1 = Ignore this card\n\t\t");
209MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
210MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
211MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
212MODULE_PARM_DESC(tunertype,
213		"Specify tuner type:\n"
214		"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
215		"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
216		"\t\t\t-1 = Autodetect (default)\n");
217MODULE_PARM_DESC(debug,
218		 "Debug level (bitmask). Default: 0\n"
219		 "\t\t\t   1/0x0001: warning\n"
220		 "\t\t\t   2/0x0002: info\n"
221		 "\t\t\t   4/0x0004: mailbox\n"
222		 "\t\t\t   8/0x0008: ioctl\n"
223		 "\t\t\t  16/0x0010: file\n"
224		 "\t\t\t  32/0x0020: dma\n"
225		 "\t\t\t  64/0x0040: irq\n"
226		 "\t\t\t 128/0x0080: decoder\n"
227		 "\t\t\t 256/0x0100: yuv\n"
228		 "\t\t\t 512/0x0200: i2c\n"
229		 "\t\t\t1024/0x0400: high volume\n");
230#ifdef CONFIG_VIDEO_ADV_DEBUG
231MODULE_PARM_DESC(fw_debug,
232		 "Enable code for debugging firmware problems.  Default: 0\n");
233#endif
234MODULE_PARM_DESC(ivtv_pci_latency,
235		 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
236		 "\t\t\tDefault: Yes");
237MODULE_PARM_DESC(ivtv_yuv_mode,
238		 "Specify the yuv playback mode:\n"
239		 "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
240		 "\t\t\tDefault: 0 (interlaced)");
241MODULE_PARM_DESC(ivtv_yuv_threshold,
242		 "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
243		 "\t\t\tDefault: 480");
244MODULE_PARM_DESC(enc_mpg_buffers,
245		 "Encoder MPG Buffers (in MB)\n"
246		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
247MODULE_PARM_DESC(enc_yuv_buffers,
248		 "Encoder YUV Buffers (in MB)\n"
249		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
250MODULE_PARM_DESC(enc_vbi_buffers,
251		 "Encoder VBI Buffers (in MB)\n"
252		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
253MODULE_PARM_DESC(enc_pcm_buffers,
254		 "Encoder PCM buffers (in kB)\n"
255		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
256MODULE_PARM_DESC(dec_mpg_buffers,
257		 "Decoder MPG buffers (in MB)\n"
258		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
259MODULE_PARM_DESC(dec_yuv_buffers,
260		 "Decoder YUV buffers (in MB)\n"
261		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
262MODULE_PARM_DESC(dec_vbi_buffers,
263		 "Decoder VBI buffers (in kB)\n"
264		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
265MODULE_PARM_DESC(newi2c,
266		 "Use new I2C implementation\n"
267		 "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
268		 "\t\t\tDefault is autodetect");
269MODULE_PARM_DESC(i2c_clock_period,
270		 "Period of SCL for the I2C bus controlled by the CX23415/6\n"
271		 "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
272		 "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
273
274MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
275
276MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
277MODULE_DESCRIPTION("CX23415/CX23416 driver");
278MODULE_SUPPORTED_DEVICE
279    ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
280		"\t\t\tYuan MPG series and similar)");
281MODULE_LICENSE("GPL");
282
283MODULE_VERSION(IVTV_VERSION);
284
285#if defined(CONFIG_MODULES) && defined(MODULE)
286static void request_module_async(struct work_struct *work)
287{
288	struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
289
290	/* Make sure ivtv-alsa module is loaded */
291	request_module("ivtv-alsa");
292
293	/* Initialize ivtv-alsa for this instance of the cx18 device */
294	if (ivtv_ext_init != NULL)
295		ivtv_ext_init(dev);
296}
297
298static void request_modules(struct ivtv *dev)
299{
300	INIT_WORK(&dev->request_module_wk, request_module_async);
301	schedule_work(&dev->request_module_wk);
302}
303
304static void flush_request_modules(struct ivtv *dev)
305{
306	flush_work(&dev->request_module_wk);
307}
308#else
309#define request_modules(dev)
310#define flush_request_modules(dev)
311#endif /* CONFIG_MODULES */
312
313void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
314{
315	itv->irqmask &= ~mask;
316	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
317}
318
319void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
320{
321	itv->irqmask |= mask;
322	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
323}
324
325int ivtv_set_output_mode(struct ivtv *itv, int mode)
326{
327    int old_mode;
328
329    spin_lock(&itv->lock);
330    old_mode = itv->output_mode;
331    if (old_mode == 0)
332	itv->output_mode = old_mode = mode;
333    spin_unlock(&itv->lock);
334    return old_mode;
335}
336
337struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
338{
339	switch (itv->output_mode) {
340	case OUT_MPG:
341		return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
342	case OUT_YUV:
343		return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
344	default:
345		return NULL;
346	}
347}
348
349int ivtv_waitq(wait_queue_head_t *waitq)
350{
351	DEFINE_WAIT(wait);
352
353	prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
354	schedule();
355	finish_wait(waitq, &wait);
356	return signal_pending(current) ? -EINTR : 0;
357}
358
359/* Generic utility functions */
360int ivtv_msleep_timeout(unsigned int msecs, int intr)
361{
362	int timeout = msecs_to_jiffies(msecs);
363
364	do {
365		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
366		timeout = schedule_timeout(timeout);
367		if (intr) {
368			int ret = signal_pending(current);
369
370			if (ret)
371				return ret;
372		}
373	} while (timeout);
374	return 0;
375}
376
377/* Release ioremapped memory */
378static void ivtv_iounmap(struct ivtv *itv)
379{
380	if (itv == NULL)
381		return;
382
383	/* Release registers memory */
384	if (itv->reg_mem != NULL) {
385		IVTV_DEBUG_INFO("releasing reg_mem\n");
386		iounmap(itv->reg_mem);
387		itv->reg_mem = NULL;
388	}
389	/* Release io memory */
390	if (itv->has_cx23415 && itv->dec_mem != NULL) {
391		IVTV_DEBUG_INFO("releasing dec_mem\n");
392		iounmap(itv->dec_mem);
393	}
394	itv->dec_mem = NULL;
395
396	/* Release io memory */
397	if (itv->enc_mem != NULL) {
398		IVTV_DEBUG_INFO("releasing enc_mem\n");
399		iounmap(itv->enc_mem);
400		itv->enc_mem = NULL;
401	}
402}
403
404/* Hauppauge card? get values from tveeprom */
405void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
406{
407	u8 eedata[256];
408
409	itv->i2c_client.addr = 0xA0 >> 1;
410	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
411	tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
412}
413
414static void ivtv_process_eeprom(struct ivtv *itv)
415{
416	struct tveeprom tv;
417	int pci_slot = PCI_SLOT(itv->pdev->devfn);
418
419	ivtv_read_eeprom(itv, &tv);
420
421	/* Many thanks to Steven Toth from Hauppauge for providing the
422	   model numbers */
423	switch (tv.model) {
424		/* In a few cases the PCI subsystem IDs do not correctly
425		   identify the card. A better method is to check the
426		   model number from the eeprom instead. */
427		case 30012 ... 30039:  /* Low profile PVR250 */
428		case 32000 ... 32999:
429		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */
430		case 48400 ... 48599:
431			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
432			break;
433		case 48100 ... 48399:
434		case 48600 ... 48999:
435			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
436			break;
437		case 23000 ... 23999:  /* PVR500 */
438		case 25000 ... 25999:  /* Low profile PVR150 */
439		case 26000 ... 26999:  /* Regular PVR150 */
440			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
441			break;
442		case 0:
443			IVTV_ERR("Invalid EEPROM\n");
444			return;
445		default:
446			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
447			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
448			break;
449	}
450
451	switch (tv.model) {
452		/* Old style PVR350 (with an saa7114) uses this input for
453		   the tuner. */
454		case 48254:
455			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
456			break;
457		default:
458			break;
459	}
460
461	itv->v4l2_cap = itv->card->v4l2_capabilities;
462	itv->card_name = itv->card->name;
463	itv->card_i2c = itv->card->i2c;
464
465	/* If this is a PVR500 then it should be possible to detect whether it is the
466	   first or second unit by looking at the subsystem device ID: is bit 4 is
467	   set, then it is the second unit (according to info from Hauppauge).
468
469	   However, while this works for most cards, I have seen a few PVR500 cards
470	   where both units have the same subsystem ID.
471
472	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
473	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
474	   it is the second unit. It is possible that it is a different slot when ivtv is
475	   used in Xen, in that case I ignore this card here. The worst that can happen
476	   is that the card presents itself with a non-working radio device.
477
478	   This detection is needed since the eeprom reports incorrectly that a radio is
479	   present on the second unit. */
480	if (tv.model / 1000 == 23) {
481		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
482			.radio = { 0x60, I2C_CLIENT_END },
483			.demod = { 0x43, I2C_CLIENT_END },
484			.tv = { 0x61, I2C_CLIENT_END },
485		};
486
487		itv->card_name = "WinTV PVR 500";
488		itv->card_i2c = &ivtv_i2c_radio;
489		if (pci_slot == 8 || pci_slot == 9) {
490			int is_first = (pci_slot & 1) == 0;
491
492			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
493						    "WinTV PVR 500 (unit #2)";
494			if (!is_first) {
495				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
496				tv.has_radio = 0;
497			}
498		}
499	}
500	IVTV_INFO("Autodetected %s\n", itv->card_name);
501
502	switch (tv.tuner_hauppauge_model) {
503		case 85:
504		case 99:
505		case 112:
506			itv->pvr150_workaround = 1;
507			break;
508		default:
509			break;
510	}
511	if (tv.tuner_type == TUNER_ABSENT)
512		IVTV_ERR("tveeprom cannot autodetect tuner!\n");
513
514	if (itv->options.tuner == -1)
515		itv->options.tuner = tv.tuner_type;
516	if (itv->options.radio == -1)
517		itv->options.radio = (tv.has_radio != 0);
518	/* only enable newi2c if an IR blaster is present */
519	if (itv->options.newi2c == -1 && tv.has_ir) {
520		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
521		if (itv->options.newi2c) {
522		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
523		    exit_ivtv_i2c(itv);
524		    init_ivtv_i2c(itv);
525		}
526	}
527
528	if (itv->std != 0)
529		/* user specified tuner standard */
530		return;
531
532	/* autodetect tuner standard */
533	if (tv.tuner_formats & V4L2_STD_PAL) {
534		IVTV_DEBUG_INFO("PAL tuner detected\n");
535		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
536	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
537		IVTV_DEBUG_INFO("NTSC tuner detected\n");
538		itv->std |= V4L2_STD_NTSC_M;
539	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
540		IVTV_DEBUG_INFO("SECAM tuner detected\n");
541		itv->std |= V4L2_STD_SECAM_L;
542	} else {
543		IVTV_INFO("No tuner detected, default to NTSC-M\n");
544		itv->std |= V4L2_STD_NTSC_M;
545	}
546}
547
548static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
549{
550	switch (pal[0]) {
551		case '6':
552			tunertype = 0;
553			return V4L2_STD_PAL_60;
554		case 'b':
555		case 'B':
556		case 'g':
557		case 'G':
558		case 'h':
559		case 'H':
560			tunertype = 0;
561			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
562		case 'n':
563		case 'N':
564			tunertype = 1;
565			if (pal[1] == 'c' || pal[1] == 'C')
566				return V4L2_STD_PAL_Nc;
567			return V4L2_STD_PAL_N;
568		case 'i':
569		case 'I':
570			tunertype = 0;
571			return V4L2_STD_PAL_I;
572		case 'd':
573		case 'D':
574		case 'k':
575		case 'K':
576			tunertype = 0;
577			return V4L2_STD_PAL_DK;
578		case 'M':
579		case 'm':
580			tunertype = 1;
581			return V4L2_STD_PAL_M;
582		case '-':
583			break;
584		default:
585			IVTV_WARN("pal= argument not recognised\n");
586			return 0;
587	}
588
589	switch (secam[0]) {
590		case 'b':
591		case 'B':
592		case 'g':
593		case 'G':
594		case 'h':
595		case 'H':
596			tunertype = 0;
597			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
598		case 'd':
599		case 'D':
600		case 'k':
601		case 'K':
602			tunertype = 0;
603			return V4L2_STD_SECAM_DK;
604		case 'l':
605		case 'L':
606			tunertype = 0;
607			if (secam[1] == 'C' || secam[1] == 'c')
608				return V4L2_STD_SECAM_LC;
609			return V4L2_STD_SECAM_L;
610		case '-':
611			break;
612		default:
613			IVTV_WARN("secam= argument not recognised\n");
614			return 0;
615	}
616
617	switch (ntsc[0]) {
618		case 'm':
619		case 'M':
620			tunertype = 1;
621			return V4L2_STD_NTSC_M;
622		case 'j':
623		case 'J':
624			tunertype = 1;
625			return V4L2_STD_NTSC_M_JP;
626		case 'k':
627		case 'K':
628			tunertype = 1;
629			return V4L2_STD_NTSC_M_KR;
630		case '-':
631			break;
632		default:
633			IVTV_WARN("ntsc= argument not recognised\n");
634			return 0;
635	}
636
637	/* no match found */
638	return 0;
639}
640
641static void ivtv_process_options(struct ivtv *itv)
642{
643	const char *chipname;
644	int i, j;
645
646	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
647	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
648	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
649	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
650	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
651	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
652	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
653	itv->options.cardtype = cardtype[itv->instance];
654	itv->options.tuner = tuner[itv->instance];
655	itv->options.radio = radio[itv->instance];
656
657	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
658	if (itv->options.i2c_clock_period == -1)
659		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
660	else if (itv->options.i2c_clock_period < 10)
661		itv->options.i2c_clock_period = 10;
662	else if (itv->options.i2c_clock_period > 4500)
663		itv->options.i2c_clock_period = 4500;
664
665	itv->options.newi2c = newi2c;
666	if (tunertype < -1 || tunertype > 1) {
667		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
668		tunertype = -1;
669	}
670	itv->std = ivtv_parse_std(itv);
671	if (itv->std == 0 && tunertype >= 0)
672		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
673	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
674	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
675	if (itv->options.cardtype == -1) {
676		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
677		return;
678	}
679	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
680		IVTV_INFO("User specified %s card (detected %s based chip)\n",
681				itv->card->name, chipname);
682	} else if (itv->options.cardtype != 0) {
683		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
684	}
685	if (itv->card == NULL) {
686		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
687		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
688		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
689			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
690			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
691					chipname);
692		}
693	}
694	if (itv->card == NULL) {
695		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
696			if (itv->card->pci_list == NULL)
697				continue;
698			for (j = 0; itv->card->pci_list[j].device; j++) {
699				if (itv->pdev->device !=
700				    itv->card->pci_list[j].device)
701					continue;
702				if (itv->pdev->subsystem_vendor !=
703				    itv->card->pci_list[j].subsystem_vendor)
704					continue;
705				if (itv->pdev->subsystem_device !=
706				    itv->card->pci_list[j].subsystem_device)
707					continue;
708				IVTV_INFO("Autodetected %s card (%s based)\n",
709						itv->card->name, chipname);
710				goto done;
711			}
712		}
713	}
714done:
715
716	if (itv->card == NULL) {
717		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
718		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
719		     itv->pdev->vendor, itv->pdev->device);
720		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",
721		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
722		IVTV_ERR("              %s based\n", chipname);
723		IVTV_ERR("Defaulting to %s card\n", itv->card->name);
724		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
725		IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
726		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
727	}
728	itv->v4l2_cap = itv->card->v4l2_capabilities;
729	itv->card_name = itv->card->name;
730	itv->card_i2c = itv->card->i2c;
731}
732
733/* Precondition: the ivtv structure has been memset to 0. Only
734   the dev and num fields have been filled in.
735   No assumptions on the card type may be made here (see ivtv_init_struct2
736   for that).
737 */
738static int ivtv_init_struct1(struct ivtv *itv)
739{
740	struct sched_param param = { .sched_priority = 99 };
741
742	itv->base_addr = pci_resource_start(itv->pdev, 0);
743	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
744	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
745
746	mutex_init(&itv->serialize_lock);
747	mutex_init(&itv->i2c_bus_lock);
748	mutex_init(&itv->udma.lock);
749
750	spin_lock_init(&itv->lock);
751	spin_lock_init(&itv->dma_reg_lock);
752
753	init_kthread_worker(&itv->irq_worker);
754	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
755					   "%s", itv->v4l2_dev.name);
756	if (IS_ERR(itv->irq_worker_task)) {
757		IVTV_ERR("Could not create ivtv task\n");
758		return -1;
759	}
760	/* must use the FIFO scheduler as it is realtime sensitive */
761	sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
762
763	init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
764
765	/* Initial settings */
766	itv->cxhdl.port = CX2341X_PORT_MEMORY;
767	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
768	init_waitqueue_head(&itv->eos_waitq);
769	init_waitqueue_head(&itv->event_waitq);
770	init_waitqueue_head(&itv->vsync_waitq);
771	init_waitqueue_head(&itv->dma_waitq);
772	init_timer(&itv->dma_timer);
773	itv->dma_timer.function = ivtv_unfinished_dma;
774	itv->dma_timer.data = (unsigned long)itv;
775
776	itv->cur_dma_stream = -1;
777	itv->cur_pio_stream = -1;
778
779	/* Ctrls */
780	itv->speed = 1000;
781
782	/* VBI */
783	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
784	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
785
786	/* Init the sg table for osd/yuv output */
787	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
788
789	/* OSD */
790	itv->osd_global_alpha_state = 1;
791	itv->osd_global_alpha = 255;
792
793	/* YUV */
794	atomic_set(&itv->yuv_info.next_dma_frame, -1);
795	itv->yuv_info.lace_mode = ivtv_yuv_mode;
796	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
797	itv->yuv_info.max_frames_buffered = 3;
798	itv->yuv_info.track_osd = 1;
799	return 0;
800}
801
802/* Second initialization part. Here the card type has been
803   autodetected. */
804static void ivtv_init_struct2(struct ivtv *itv)
805{
806	int i;
807
808	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
809		if (itv->card->video_inputs[i].video_type == 0)
810			break;
811	itv->nof_inputs = i;
812	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
813		if (itv->card->audio_inputs[i].audio_type == 0)
814			break;
815	itv->nof_audio_inputs = i;
816
817	if (itv->card->hw_all & IVTV_HW_CX25840) {
818		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
819	} else {
820		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
821	}
822
823	/* Find tuner input */
824	for (i = 0; i < itv->nof_inputs; i++) {
825		if (itv->card->video_inputs[i].video_type ==
826				IVTV_CARD_INPUT_VID_TUNER)
827			break;
828	}
829	if (i == itv->nof_inputs)
830		i = 0;
831	itv->active_input = i;
832	itv->audio_input = itv->card->video_inputs[i].audio_index;
833}
834
835static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
836			  const struct pci_device_id *pci_id)
837{
838	u16 cmd;
839	unsigned char pci_latency;
840
841	IVTV_DEBUG_INFO("Enabling pci device\n");
842
843	if (pci_enable_device(pdev)) {
844		IVTV_ERR("Can't enable device!\n");
845		return -EIO;
846	}
847	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
848		IVTV_ERR("No suitable DMA available.\n");
849		return -EIO;
850	}
851	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
852		IVTV_ERR("Cannot request encoder memory region.\n");
853		return -EIO;
854	}
855
856	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
857				IVTV_REG_SIZE, "ivtv registers")) {
858		IVTV_ERR("Cannot request register memory region.\n");
859		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
860		return -EIO;
861	}
862
863	if (itv->has_cx23415 &&
864	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
865				IVTV_DECODER_SIZE, "ivtv decoder")) {
866		IVTV_ERR("Cannot request decoder memory region.\n");
867		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
868		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
869		return -EIO;
870	}
871
872	/* Check for bus mastering */
873	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
874	if (!(cmd & PCI_COMMAND_MASTER)) {
875		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
876		pci_set_master(pdev);
877		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
878		if (!(cmd & PCI_COMMAND_MASTER)) {
879			IVTV_ERR("Bus Mastering is not enabled\n");
880			return -ENXIO;
881		}
882	}
883	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
884
885	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
886
887	if (pci_latency < 64 && ivtv_pci_latency) {
888		IVTV_INFO("Unreasonably low latency timer, "
889			       "setting to 64 (was %d)\n", pci_latency);
890		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
891		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
892	}
893	/* This config space value relates to DMA latencies. The
894	   default value 0x8080 is too low however and will lead
895	   to DMA errors. 0xffff is the max value which solves
896	   these problems. */
897	pci_write_config_dword(pdev, 0x40, 0xffff);
898
899	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
900		   "irq: %d, latency: %d, memory: 0x%llx\n",
901		   pdev->device, pdev->revision, pdev->bus->number,
902		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
903		   pdev->irq, pci_latency, (u64)itv->base_addr);
904
905	return 0;
906}
907
908static void ivtv_load_and_init_modules(struct ivtv *itv)
909{
910	u32 hw = itv->card->hw_all;
911	unsigned i;
912
913	/* check which i2c devices are actually found */
914	for (i = 0; i < 32; i++) {
915		u32 device = 1 << i;
916
917		if (!(device & hw))
918			continue;
919		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
920			/* GPIO and TVEEPROM do not use i2c probing */
921			itv->hw_flags |= device;
922			continue;
923		}
924		if (ivtv_i2c_register(itv, i) == 0)
925			itv->hw_flags |= device;
926	}
927
928	/* probe for legacy IR controllers that aren't in card definitions */
929	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
930		ivtv_i2c_new_ir_legacy(itv);
931
932	if (itv->card->hw_all & IVTV_HW_CX25840)
933		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
934	else if (itv->card->hw_all & IVTV_HW_SAA717X)
935		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
936	else if (itv->card->hw_all & IVTV_HW_SAA7114)
937		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
938	else
939		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
940	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
941	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
942
943	hw = itv->hw_flags;
944
945	if (itv->card->type == IVTV_CARD_CX23416GYC) {
946		/* Several variations of this card exist, detect which card
947		   type should be used. */
948		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
949			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
950		else if ((hw & IVTV_HW_UPD64031A) == 0)
951			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
952	}
953	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
954		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
955		/* The crystal frequency of GVMVPRX is 24.576MHz */
956		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
957			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
958	}
959
960	if (hw & IVTV_HW_CX25840) {
961		itv->vbi.raw_decoder_line_size = 1444;
962		itv->vbi.raw_decoder_sav_odd_field = 0x20;
963		itv->vbi.raw_decoder_sav_even_field = 0x60;
964		itv->vbi.sliced_decoder_line_size = 272;
965		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
966		itv->vbi.sliced_decoder_sav_even_field = 0xF0;
967	}
968
969	if (hw & IVTV_HW_SAA711X) {
970		/* determine the exact saa711x model */
971		itv->hw_flags &= ~IVTV_HW_SAA711X;
972
973		if (strstr(itv->sd_video->name, "saa7114")) {
974			itv->hw_flags |= IVTV_HW_SAA7114;
975			/* VBI is not yet supported by the saa7114 driver. */
976			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
977		} else {
978			itv->hw_flags |= IVTV_HW_SAA7115;
979		}
980		itv->vbi.raw_decoder_line_size = 1443;
981		itv->vbi.raw_decoder_sav_odd_field = 0x25;
982		itv->vbi.raw_decoder_sav_even_field = 0x62;
983		itv->vbi.sliced_decoder_line_size = 51;
984		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
985		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
986	}
987
988	if (hw & IVTV_HW_SAA717X) {
989		itv->vbi.raw_decoder_line_size = 1443;
990		itv->vbi.raw_decoder_sav_odd_field = 0x25;
991		itv->vbi.raw_decoder_sav_even_field = 0x62;
992		itv->vbi.sliced_decoder_line_size = 51;
993		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
994		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
995	}
996}
997
998static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
999{
1000	int retval = 0;
1001	int vbi_buf_size;
1002	struct ivtv *itv;
1003
1004	itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
1005	if (itv == NULL)
1006		return -ENOMEM;
1007	itv->pdev = pdev;
1008	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
1009						&ivtv_instance);
1010
1011	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
1012	if (retval) {
1013		kfree(itv);
1014		return retval;
1015	}
1016	IVTV_INFO("Initializing card %d\n", itv->instance);
1017
1018	ivtv_process_options(itv);
1019	if (itv->options.cardtype == -1) {
1020		retval = -ENODEV;
1021		goto err;
1022	}
1023	if (ivtv_init_struct1(itv)) {
1024		retval = -ENOMEM;
1025		goto err;
1026	}
1027	retval = cx2341x_handler_init(&itv->cxhdl, 50);
1028	if (retval)
1029		goto err;
1030	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1031	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1032	itv->cxhdl.priv = itv;
1033	itv->cxhdl.func = ivtv_api_func;
1034
1035	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
1036
1037	/* PCI Device Setup */
1038	retval = ivtv_setup_pci(itv, pdev, pci_id);
1039	if (retval == -EIO)
1040		goto free_worker;
1041	if (retval == -ENXIO)
1042		goto free_mem;
1043
1044	/* map io memory */
1045	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1046		   (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1047	itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
1048				       IVTV_ENCODER_SIZE);
1049	if (!itv->enc_mem) {
1050		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1051			 "encoder memory\n");
1052		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
1053			 "vmalloc address space for this window\n");
1054		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1055		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1056			 "VmallocTotal to a larger value\n");
1057		retval = -ENOMEM;
1058		goto free_mem;
1059	}
1060
1061	if (itv->has_cx23415) {
1062		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1063				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1064		itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
1065				IVTV_DECODER_SIZE);
1066		if (!itv->dec_mem) {
1067			IVTV_ERR("ioremap failed. Can't get a window into "
1068				 "CX23415 decoder memory\n");
1069			IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
1070				 "of vmalloc address space for this window\n");
1071			IVTV_ERR("Check the output of 'grep Vmalloc "
1072				 "/proc/meminfo'\n");
1073			IVTV_ERR("Use the vmalloc= kernel command line option "
1074				 "to set VmallocTotal to a larger value\n");
1075			retval = -ENOMEM;
1076			goto free_mem;
1077		}
1078	}
1079	else {
1080		itv->dec_mem = itv->enc_mem;
1081	}
1082
1083	/* map registers memory */
1084	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1085		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1086	itv->reg_mem =
1087	    ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1088	if (!itv->reg_mem) {
1089		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
1090			 "register space\n");
1091		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
1092			 "vmalloc address space for this window\n");
1093		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1094		IVTV_ERR("Use the vmalloc= kernel command line option to set "
1095			 "VmallocTotal to a larger value\n");
1096		retval = -ENOMEM;
1097		goto free_io;
1098	}
1099
1100	retval = ivtv_gpio_init(itv);
1101	if (retval)
1102		goto free_io;
1103
1104	/* active i2c  */
1105	IVTV_DEBUG_INFO("activating i2c...\n");
1106	if (init_ivtv_i2c(itv)) {
1107		IVTV_ERR("Could not initialize i2c\n");
1108		goto free_io;
1109	}
1110
1111	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1112		/* Based on the model number the cardtype may be changed.
1113		   The PCI IDs are not always reliable. */
1114		ivtv_process_eeprom(itv);
1115	}
1116	if (itv->card->comment)
1117		IVTV_INFO("%s", itv->card->comment);
1118	if (itv->card->v4l2_capabilities == 0) {
1119		/* card was detected but is not supported */
1120		retval = -ENODEV;
1121		goto free_i2c;
1122	}
1123
1124	if (itv->std == 0) {
1125		itv->std = V4L2_STD_NTSC_M;
1126	}
1127
1128	if (itv->options.tuner == -1) {
1129		int i;
1130
1131		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1132			if ((itv->std & itv->card->tuners[i].std) == 0)
1133				continue;
1134			itv->options.tuner = itv->card->tuners[i].tuner;
1135			break;
1136		}
1137	}
1138	/* if no tuner was found, then pick the first tuner in the card list */
1139	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1140		itv->std = itv->card->tuners[0].std;
1141		if (itv->std & V4L2_STD_PAL)
1142			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1143		else if (itv->std & V4L2_STD_NTSC)
1144			itv->std = V4L2_STD_NTSC_M;
1145		else if (itv->std & V4L2_STD_SECAM)
1146			itv->std = V4L2_STD_SECAM_L;
1147		itv->options.tuner = itv->card->tuners[0].tuner;
1148	}
1149	if (itv->options.radio == -1)
1150		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1151
1152	/* The card is now fully identified, continue with card-specific
1153	   initialization. */
1154	ivtv_init_struct2(itv);
1155
1156	ivtv_load_and_init_modules(itv);
1157
1158	if (itv->std & V4L2_STD_525_60) {
1159		itv->is_60hz = 1;
1160		itv->is_out_60hz = 1;
1161	} else {
1162		itv->is_50hz = 1;
1163		itv->is_out_50hz = 1;
1164	}
1165
1166	itv->yuv_info.osd_full_w = 720;
1167	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1168	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1169	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1170
1171	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1172
1173	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1174	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1175	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1176	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1177	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1178
1179	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1180	   It is possible to switch between PAL and NTSC, so we need to
1181	   take the largest size here. */
1182	/* 1456 is multiple of 16, real size = 1444 */
1183	itv->vbi.raw_size = 1456;
1184	/* We use a buffer size of 1/2 of the total size needed for a
1185	   frame. This is actually very useful, since we now receive
1186	   a field at a time and that makes 'compressing' the raw data
1187	   down to size by stripping off the SAV codes a lot easier.
1188	   Note: having two different buffer sizes prevents standard
1189	   switching on the fly. We need to find a better solution... */
1190	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1191	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1192	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1193
1194	if (itv->options.radio > 0)
1195		itv->v4l2_cap |= V4L2_CAP_RADIO;
1196
1197	if (itv->options.tuner > -1) {
1198		struct tuner_setup setup;
1199
1200		setup.addr = ADDR_UNSET;
1201		setup.type = itv->options.tuner;
1202		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1203		if (itv->options.radio > 0)
1204			setup.mode_mask |= T_RADIO;
1205		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1206			ivtv_reset_tuner_gpio : NULL;
1207		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1208		if (setup.type == TUNER_XC2028) {
1209			static struct xc2028_ctrl ctrl = {
1210				.fname = XC2028_DEFAULT_FIRMWARE,
1211				.max_len = 64,
1212			};
1213			struct v4l2_priv_tun_config cfg = {
1214				.tuner = itv->options.tuner,
1215				.priv = &ctrl,
1216			};
1217			ivtv_call_all(itv, tuner, s_config, &cfg);
1218		}
1219	}
1220
1221	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1222	   are not. */
1223	itv->tuner_std = itv->std;
1224
1225	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1226		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1227
1228		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1229				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
1230		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1231				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
1232		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1233		   mask that menu item. */
1234		itv->ctrl_audio_playback =
1235			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1236				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1237				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1238				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1239				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1240		itv->ctrl_audio_multilingual_playback =
1241			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1242				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1243				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1244				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1245				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1246		if (hdl->error) {
1247			retval = hdl->error;
1248			goto free_i2c;
1249		}
1250		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1251		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1252		ivtv_call_all(itv, video, s_std_output, itv->std);
1253		/* Turn off the output signal. The mpeg decoder is not yet
1254		   active so without this you would get a green image until the
1255		   mpeg decoder becomes active. */
1256		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1257	}
1258
1259	/* clear interrupt mask, effectively disabling interrupts */
1260	ivtv_set_irq_mask(itv, 0xffffffff);
1261
1262	/* Register IRQ */
1263	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1264	     IRQF_SHARED, itv->v4l2_dev.name, (void *)itv);
1265	if (retval) {
1266		IVTV_ERR("Failed to register irq %d\n", retval);
1267		goto free_i2c;
1268	}
1269
1270	retval = ivtv_streams_setup(itv);
1271	if (retval) {
1272		IVTV_ERR("Error %d setting up streams\n", retval);
1273		goto free_irq;
1274	}
1275	retval = ivtv_streams_register(itv);
1276	if (retval) {
1277		IVTV_ERR("Error %d registering devices\n", retval);
1278		goto free_streams;
1279	}
1280	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1281
1282	/* Load ivtv submodules (ivtv-alsa) */
1283	request_modules(itv);
1284	return 0;
1285
1286free_streams:
1287	ivtv_streams_cleanup(itv);
1288free_irq:
1289	free_irq(itv->pdev->irq, (void *)itv);
1290free_i2c:
1291	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1292	exit_ivtv_i2c(itv);
1293free_io:
1294	ivtv_iounmap(itv);
1295free_mem:
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);
1300free_worker:
1301	kthread_stop(itv->irq_worker_task);
1302err:
1303	if (retval == 0)
1304		retval = -ENODEV;
1305	IVTV_ERR("Error %d on initialization\n", retval);
1306
1307	v4l2_device_unregister(&itv->v4l2_dev);
1308	kfree(itv);
1309	return retval;
1310}
1311
1312int ivtv_init_on_first_open(struct ivtv *itv)
1313{
1314	struct v4l2_frequency vf;
1315	/* Needed to call ioctls later */
1316	struct ivtv_open_id fh;
1317	int fw_retry_count = 3;
1318	int video_input;
1319
1320	fh.itv = itv;
1321	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1322
1323	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1324		return -ENXIO;
1325
1326	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1327		return 0;
1328
1329	while (--fw_retry_count > 0) {
1330		/* load firmware */
1331		if (ivtv_firmware_init(itv) == 0)
1332			break;
1333		if (fw_retry_count > 1)
1334			IVTV_WARN("Retry loading firmware\n");
1335	}
1336
1337	if (fw_retry_count == 0) {
1338		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1339		return -ENXIO;
1340	}
1341
1342	/* Try and get firmware versions */
1343	IVTV_DEBUG_INFO("Getting firmware version..\n");
1344	ivtv_firmware_versions(itv);
1345
1346	if (itv->card->hw_all & IVTV_HW_CX25840)
1347		v4l2_subdev_call(itv->sd_video, core, load_fw);
1348
1349	vf.tuner = 0;
1350	vf.type = V4L2_TUNER_ANALOG_TV;
1351	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1352
1353	/* Set initial frequency. For PAL/SECAM broadcasts no
1354	   'default' channel exists AFAIK. */
1355	if (itv->std == V4L2_STD_NTSC_M_JP) {
1356		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1357	}
1358	else if (itv->std & V4L2_STD_NTSC_M) {
1359		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1360	}
1361
1362	video_input = itv->active_input;
1363	itv->active_input++;	/* Force update of input */
1364	ivtv_s_input(NULL, &fh, video_input);
1365
1366	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1367	   in one place. */
1368	itv->std++;		/* Force full standard initialization */
1369	itv->std_out = itv->std;
1370	ivtv_s_frequency(NULL, &fh, &vf);
1371
1372	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1373		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1374		   the mpeg decoder so now the saa7127 receives a proper
1375		   signal. */
1376		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1377		ivtv_init_mpeg_decoder(itv);
1378	}
1379
1380	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1381	if (!itv->has_cx23415)
1382		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1383
1384	ivtv_s_std_enc(itv, itv->tuner_std);
1385
1386	/* Default interrupts enabled. For the PVR350 this includes the
1387	   decoder VSYNC interrupt, which is always on. It is not only used
1388	   during decoding but also by the OSD.
1389	   Some old PVR250 cards had a cx23415, so testing for that is too
1390	   general. Instead test if the card has video output capability. */
1391	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1392		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1393		ivtv_set_osd_alpha(itv);
1394		ivtv_s_std_dec(itv, itv->tuner_std);
1395	} else {
1396		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1397	}
1398
1399	/* Setup initial controls */
1400	cx2341x_handler_setup(&itv->cxhdl);
1401	return 0;
1402}
1403
1404static void ivtv_remove(struct pci_dev *pdev)
1405{
1406	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1407	struct ivtv *itv = to_ivtv(v4l2_dev);
1408	int i;
1409
1410	IVTV_DEBUG_INFO("Removing card\n");
1411
1412	flush_request_modules(itv);
1413
1414	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1415		/* Stop all captures */
1416		IVTV_DEBUG_INFO("Stopping all streams\n");
1417		if (atomic_read(&itv->capturing) > 0)
1418			ivtv_stop_all_captures(itv);
1419
1420		/* Stop all decoding */
1421		IVTV_DEBUG_INFO("Stopping decoding\n");
1422
1423		/* Turn off the TV-out */
1424		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1425			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1426		if (atomic_read(&itv->decoding) > 0) {
1427			int type;
1428
1429			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1430				type = IVTV_DEC_STREAM_TYPE_YUV;
1431			else
1432				type = IVTV_DEC_STREAM_TYPE_MPG;
1433			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1434				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1435		}
1436		ivtv_halt_firmware(itv);
1437	}
1438
1439	/* Interrupts */
1440	ivtv_set_irq_mask(itv, 0xffffffff);
1441	del_timer_sync(&itv->dma_timer);
1442
1443	/* Kill irq worker */
1444	flush_kthread_worker(&itv->irq_worker);
1445	kthread_stop(itv->irq_worker_task);
1446
1447	ivtv_streams_cleanup(itv);
1448	ivtv_udma_free(itv);
1449
1450	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1451
1452	exit_ivtv_i2c(itv);
1453
1454	free_irq(itv->pdev->irq, (void *)itv);
1455	ivtv_iounmap(itv);
1456
1457	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1458	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1459	if (itv->has_cx23415)
1460		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1461
1462	pci_disable_device(itv->pdev);
1463	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1464		kfree(itv->vbi.sliced_mpeg_data[i]);
1465
1466	printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
1467
1468	v4l2_device_unregister(&itv->v4l2_dev);
1469	kfree(itv);
1470}
1471
1472/* define a pci_driver for card detection */
1473static struct pci_driver ivtv_pci_driver = {
1474      .name =     "ivtv",
1475      .id_table = ivtv_pci_tbl,
1476      .probe =    ivtv_probe,
1477      .remove =   ivtv_remove,
1478};
1479
1480static int __init module_start(void)
1481{
1482	printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
1483
1484	/* Validate parameters */
1485	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1486		printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
1487		     IVTV_MAX_CARDS - 1);
1488		return -1;
1489	}
1490
1491	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1492		ivtv_debug = 0;
1493		printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
1494	}
1495
1496	if (pci_register_driver(&ivtv_pci_driver)) {
1497		printk(KERN_ERR "ivtv: Error detecting PCI card\n");
1498		return -ENODEV;
1499	}
1500	printk(KERN_INFO "ivtv: End initialization\n");
1501	return 0;
1502}
1503
1504static void __exit module_cleanup(void)
1505{
1506	pci_unregister_driver(&ivtv_pci_driver);
1507}
1508
1509/* Note: These symbols are exported because they are used by the ivtvfb
1510   framebuffer module and an infrared module for the IR-blaster. */
1511EXPORT_SYMBOL(ivtv_set_irq_mask);
1512EXPORT_SYMBOL(ivtv_api);
1513EXPORT_SYMBOL(ivtv_vapi);
1514EXPORT_SYMBOL(ivtv_vapi_result);
1515EXPORT_SYMBOL(ivtv_clear_irq_mask);
1516EXPORT_SYMBOL(ivtv_debug);
1517#ifdef CONFIG_VIDEO_ADV_DEBUG
1518EXPORT_SYMBOL(ivtv_fw_debug);
1519#endif
1520EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1521EXPORT_SYMBOL(ivtv_udma_setup);
1522EXPORT_SYMBOL(ivtv_udma_unmap);
1523EXPORT_SYMBOL(ivtv_udma_alloc);
1524EXPORT_SYMBOL(ivtv_udma_prepare);
1525EXPORT_SYMBOL(ivtv_init_on_first_open);
1526EXPORT_SYMBOL(ivtv_firmware_check);
1527
1528module_init(module_start);
1529module_exit(module_cleanup);
1530