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 *
27 * -----
28 * MPG600/MPG160 support by  T.Adachi <tadachi@tadachi-net.com>
29 *                      and Takeru KOMORIYA<komoriya@paken.org>
30 *
31 * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
32 *                using information provided by Jiun-Kuei Jung @ AVerMedia.
33 *
34 * Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
35 *                using information from T.Adachi,Takeru KOMORIYA and others :-)
36 *
37 * Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
38 *                version by T.Adachi. Special thanks  Mr.Suzuki
39 */
40
41#include "ivtv-driver.h"
42#include "ivtv-version.h"
43#include "ivtv-fileops.h"
44#include "ivtv-i2c.h"
45#include "ivtv-firmware.h"
46#include "ivtv-queue.h"
47#include "ivtv-udma.h"
48#include "ivtv-irq.h"
49#include "ivtv-mailbox.h"
50#include "ivtv-streams.h"
51#include "ivtv-ioctl.h"
52#include "ivtv-cards.h"
53#include "ivtv-vbi.h"
54#include "ivtv-routing.h"
55#include "ivtv-controls.h"
56#include "ivtv-gpio.h"
57#include <linux/dma-mapping.h>
58#include <media/tveeprom.h>
59#include <media/i2c/saa7115.h>
60#include "xc2028.h"
61#include <uapi/linux/sched/types.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 const 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_LICENSE("GPL");
279
280MODULE_VERSION(IVTV_VERSION);
281
282#if defined(CONFIG_MODULES) && defined(MODULE)
283static void request_module_async(struct work_struct *work)
284{
285	struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
286
287	/* Make sure ivtv-alsa module is loaded */
288	request_module("ivtv-alsa");
289
290	/* Initialize ivtv-alsa for this instance of the cx18 device */
291	if (ivtv_ext_init != NULL)
292		ivtv_ext_init(dev);
293}
294
295static void request_modules(struct ivtv *dev)
296{
297	INIT_WORK(&dev->request_module_wk, request_module_async);
298	schedule_work(&dev->request_module_wk);
299}
300
301static void flush_request_modules(struct ivtv *dev)
302{
303	flush_work(&dev->request_module_wk);
304}
305#else
306#define request_modules(dev)
307#define flush_request_modules(dev)
308#endif /* CONFIG_MODULES */
309
310void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
311{
312	itv->irqmask &= ~mask;
313	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
314}
315
316void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
317{
318	itv->irqmask |= mask;
319	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
320}
321
322int ivtv_set_output_mode(struct ivtv *itv, int mode)
323{
324    int old_mode;
325
326    spin_lock(&itv->lock);
327    old_mode = itv->output_mode;
328    if (old_mode == 0)
329	itv->output_mode = old_mode = mode;
330    spin_unlock(&itv->lock);
331    return old_mode;
332}
333
334struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
335{
336	switch (itv->output_mode) {
337	case OUT_MPG:
338		return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
339	case OUT_YUV:
340		return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
341	default:
342		return NULL;
343	}
344}
345
346int ivtv_waitq(wait_queue_head_t *waitq)
347{
348	DEFINE_WAIT(wait);
349
350	prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
351	schedule();
352	finish_wait(waitq, &wait);
353	return signal_pending(current) ? -EINTR : 0;
354}
355
356/* Generic utility functions */
357int ivtv_msleep_timeout(unsigned int msecs, int intr)
358{
359	int timeout = msecs_to_jiffies(msecs);
360
361	do {
362		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
363		timeout = schedule_timeout(timeout);
364		if (intr) {
365			int ret = signal_pending(current);
366
367			if (ret)
368				return ret;
369		}
370	} while (timeout);
371	return 0;
372}
373
374/* Release ioremapped memory */
375static void ivtv_iounmap(struct ivtv *itv)
376{
377	if (itv == NULL)
378		return;
379
380	/* Release registers memory */
381	if (itv->reg_mem != NULL) {
382		IVTV_DEBUG_INFO("releasing reg_mem\n");
383		iounmap(itv->reg_mem);
384		itv->reg_mem = NULL;
385	}
386	/* Release io memory */
387	if (itv->has_cx23415 && itv->dec_mem != NULL) {
388		IVTV_DEBUG_INFO("releasing dec_mem\n");
389		iounmap(itv->dec_mem);
390	}
391	itv->dec_mem = NULL;
392
393	/* Release io memory */
394	if (itv->enc_mem != NULL) {
395		IVTV_DEBUG_INFO("releasing enc_mem\n");
396		iounmap(itv->enc_mem);
397		itv->enc_mem = NULL;
398	}
399}
400
401/* Hauppauge card? get values from tveeprom */
402void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
403{
404	u8 eedata[256];
405
406	itv->i2c_client.addr = 0xA0 >> 1;
407	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
408	tveeprom_hauppauge_analog(tv, eedata);
409}
410
411static void ivtv_process_eeprom(struct ivtv *itv)
412{
413	struct tveeprom tv;
414	int pci_slot = PCI_SLOT(itv->pdev->devfn);
415
416	ivtv_read_eeprom(itv, &tv);
417
418	/* Many thanks to Steven Toth from Hauppauge for providing the
419	   model numbers */
420	switch (tv.model) {
421		/* In a few cases the PCI subsystem IDs do not correctly
422		   identify the card. A better method is to check the
423		   model number from the eeprom instead. */
424		case 30012 ... 30039:  /* Low profile PVR250 */
425		case 32000 ... 32999:
426		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */
427		case 48400 ... 48599:
428			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
429			break;
430		case 48100 ... 48399:
431		case 48600 ... 48999:
432			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
433			break;
434		case 23000 ... 23999:  /* PVR500 */
435		case 25000 ... 25999:  /* Low profile PVR150 */
436		case 26000 ... 26999:  /* Regular PVR150 */
437			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
438			break;
439		case 0:
440			IVTV_ERR("Invalid EEPROM\n");
441			return;
442		default:
443			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
444			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
445			break;
446	}
447
448	switch (tv.model) {
449		/* Old style PVR350 (with an saa7114) uses this input for
450		   the tuner. */
451		case 48254:
452			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
453			break;
454		default:
455			break;
456	}
457
458	itv->v4l2_cap = itv->card->v4l2_capabilities;
459	itv->card_name = itv->card->name;
460	itv->card_i2c = itv->card->i2c;
461
462	/* If this is a PVR500 then it should be possible to detect whether it is the
463	   first or second unit by looking at the subsystem device ID: is bit 4 is
464	   set, then it is the second unit (according to info from Hauppauge).
465
466	   However, while this works for most cards, I have seen a few PVR500 cards
467	   where both units have the same subsystem ID.
468
469	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
470	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
471	   it is the second unit. It is possible that it is a different slot when ivtv is
472	   used in Xen, in that case I ignore this card here. The worst that can happen
473	   is that the card presents itself with a non-working radio device.
474
475	   This detection is needed since the eeprom reports incorrectly that a radio is
476	   present on the second unit. */
477	if (tv.model / 1000 == 23) {
478		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
479			.radio = { 0x60, I2C_CLIENT_END },
480			.demod = { 0x43, I2C_CLIENT_END },
481			.tv = { 0x61, I2C_CLIENT_END },
482		};
483
484		itv->card_name = "WinTV PVR 500";
485		itv->card_i2c = &ivtv_i2c_radio;
486		if (pci_slot == 8 || pci_slot == 9) {
487			int is_first = (pci_slot & 1) == 0;
488
489			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
490						    "WinTV PVR 500 (unit #2)";
491			if (!is_first) {
492				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
493				tv.has_radio = 0;
494			}
495		}
496	}
497	IVTV_INFO("Autodetected %s\n", itv->card_name);
498
499	switch (tv.tuner_hauppauge_model) {
500		case 85:
501		case 99:
502		case 112:
503			itv->pvr150_workaround = 1;
504			break;
505		default:
506			break;
507	}
508	if (tv.tuner_type == TUNER_ABSENT)
509		IVTV_ERR("tveeprom cannot autodetect tuner!\n");
510
511	if (itv->options.tuner == -1)
512		itv->options.tuner = tv.tuner_type;
513	if (itv->options.radio == -1)
514		itv->options.radio = (tv.has_radio != 0);
515	/* only enable newi2c if an IR blaster is present */
516	if (itv->options.newi2c == -1 && tv.has_ir) {
517		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
518		if (itv->options.newi2c) {
519		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
520		    exit_ivtv_i2c(itv);
521		    init_ivtv_i2c(itv);
522		}
523	}
524
525	if (itv->std != 0)
526		/* user specified tuner standard */
527		return;
528
529	/* autodetect tuner standard */
530	if (tv.tuner_formats & V4L2_STD_PAL) {
531		IVTV_DEBUG_INFO("PAL tuner detected\n");
532		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
533	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
534		IVTV_DEBUG_INFO("NTSC tuner detected\n");
535		itv->std |= V4L2_STD_NTSC_M;
536	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
537		IVTV_DEBUG_INFO("SECAM tuner detected\n");
538		itv->std |= V4L2_STD_SECAM_L;
539	} else {
540		IVTV_INFO("No tuner detected, default to NTSC-M\n");
541		itv->std |= V4L2_STD_NTSC_M;
542	}
543}
544
545static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
546{
547	switch (pal[0]) {
548		case '6':
549			tunertype = 0;
550			return V4L2_STD_PAL_60;
551		case 'b':
552		case 'B':
553		case 'g':
554		case 'G':
555		case 'h':
556		case 'H':
557			tunertype = 0;
558			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
559		case 'n':
560		case 'N':
561			tunertype = 1;
562			if (pal[1] == 'c' || pal[1] == 'C')
563				return V4L2_STD_PAL_Nc;
564			return V4L2_STD_PAL_N;
565		case 'i':
566		case 'I':
567			tunertype = 0;
568			return V4L2_STD_PAL_I;
569		case 'd':
570		case 'D':
571		case 'k':
572		case 'K':
573			tunertype = 0;
574			return V4L2_STD_PAL_DK;
575		case 'M':
576		case 'm':
577			tunertype = 1;
578			return V4L2_STD_PAL_M;
579		case '-':
580			break;
581		default:
582			IVTV_WARN("pal= argument not recognised\n");
583			return 0;
584	}
585
586	switch (secam[0]) {
587		case 'b':
588		case 'B':
589		case 'g':
590		case 'G':
591		case 'h':
592		case 'H':
593			tunertype = 0;
594			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
595		case 'd':
596		case 'D':
597		case 'k':
598		case 'K':
599			tunertype = 0;
600			return V4L2_STD_SECAM_DK;
601		case 'l':
602		case 'L':
603			tunertype = 0;
604			if (secam[1] == 'C' || secam[1] == 'c')
605				return V4L2_STD_SECAM_LC;
606			return V4L2_STD_SECAM_L;
607		case '-':
608			break;
609		default:
610			IVTV_WARN("secam= argument not recognised\n");
611			return 0;
612	}
613
614	switch (ntsc[0]) {
615		case 'm':
616		case 'M':
617			tunertype = 1;
618			return V4L2_STD_NTSC_M;
619		case 'j':
620		case 'J':
621			tunertype = 1;
622			return V4L2_STD_NTSC_M_JP;
623		case 'k':
624		case 'K':
625			tunertype = 1;
626			return V4L2_STD_NTSC_M_KR;
627		case '-':
628			break;
629		default:
630			IVTV_WARN("ntsc= argument not recognised\n");
631			return 0;
632	}
633
634	/* no match found */
635	return 0;
636}
637
638static void ivtv_process_options(struct ivtv *itv)
639{
640	const char *chipname;
641	int i, j;
642
643	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
644	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
645	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
646	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
647	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
648	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
649	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
650	itv->options.cardtype = cardtype[itv->instance];
651	itv->options.tuner = tuner[itv->instance];
652	itv->options.radio = radio[itv->instance];
653
654	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
655	if (itv->options.i2c_clock_period == -1)
656		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
657	else if (itv->options.i2c_clock_period < 10)
658		itv->options.i2c_clock_period = 10;
659	else if (itv->options.i2c_clock_period > 4500)
660		itv->options.i2c_clock_period = 4500;
661
662	itv->options.newi2c = newi2c;
663	if (tunertype < -1 || tunertype > 1) {
664		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
665		tunertype = -1;
666	}
667	itv->std = ivtv_parse_std(itv);
668	if (itv->std == 0 && tunertype >= 0)
669		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
670	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
671	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
672	if (itv->options.cardtype == -1) {
673		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
674		return;
675	}
676	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
677		IVTV_INFO("User specified %s card (detected %s based chip)\n",
678				itv->card->name, chipname);
679	} else if (itv->options.cardtype != 0) {
680		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
681	}
682	if (itv->card == NULL) {
683		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
684		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
685		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
686			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
687			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
688					chipname);
689		}
690	}
691	if (itv->card == NULL) {
692		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
693			if (itv->card->pci_list == NULL)
694				continue;
695			for (j = 0; itv->card->pci_list[j].device; j++) {
696				if (itv->pdev->device !=
697				    itv->card->pci_list[j].device)
698					continue;
699				if (itv->pdev->subsystem_vendor !=
700				    itv->card->pci_list[j].subsystem_vendor)
701					continue;
702				if (itv->pdev->subsystem_device !=
703				    itv->card->pci_list[j].subsystem_device)
704					continue;
705				IVTV_INFO("Autodetected %s card (%s based)\n",
706						itv->card->name, chipname);
707				goto done;
708			}
709		}
710	}
711done:
712
713	if (itv->card == NULL) {
714		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
715		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
716		     itv->pdev->vendor, itv->pdev->device);
717		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",
718		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
719		IVTV_ERR("              %s based\n", chipname);
720		IVTV_ERR("Defaulting to %s card\n", itv->card->name);
721		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
722		IVTV_ERR("card you have to the linux-media mailinglist (www.linuxtv.org)\n");
723		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
724	}
725	itv->v4l2_cap = itv->card->v4l2_capabilities;
726	itv->card_name = itv->card->name;
727	itv->card_i2c = itv->card->i2c;
728}
729
730/* Precondition: the ivtv structure has been memset to 0. Only
731   the dev and num fields have been filled in.
732   No assumptions on the card type may be made here (see ivtv_init_struct2
733   for that).
734 */
735static int ivtv_init_struct1(struct ivtv *itv)
736{
737	itv->base_addr = pci_resource_start(itv->pdev, 0);
738	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
739	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
740
741	mutex_init(&itv->serialize_lock);
742	mutex_init(&itv->i2c_bus_lock);
743	mutex_init(&itv->udma.lock);
744
745	spin_lock_init(&itv->lock);
746	spin_lock_init(&itv->dma_reg_lock);
747
748	kthread_init_worker(&itv->irq_worker);
749	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
750					   "%s", itv->v4l2_dev.name);
751	if (IS_ERR(itv->irq_worker_task)) {
752		IVTV_ERR("Could not create ivtv task\n");
753		return -1;
754	}
755	/* must use the FIFO scheduler as it is realtime sensitive */
756	sched_set_fifo(itv->irq_worker_task);
757
758	kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);
759
760	/* Initial settings */
761	itv->cxhdl.port = CX2341X_PORT_MEMORY;
762	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
763	init_waitqueue_head(&itv->eos_waitq);
764	init_waitqueue_head(&itv->event_waitq);
765	init_waitqueue_head(&itv->vsync_waitq);
766	init_waitqueue_head(&itv->dma_waitq);
767	timer_setup(&itv->dma_timer, ivtv_unfinished_dma, 0);
768
769	itv->cur_dma_stream = -1;
770	itv->cur_pio_stream = -1;
771
772	/* Ctrls */
773	itv->speed = 1000;
774
775	/* VBI */
776	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
777	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
778
779	/* Init the sg table for osd/yuv output */
780	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
781
782	/* OSD */
783	itv->osd_global_alpha_state = 1;
784	itv->osd_global_alpha = 255;
785
786	/* YUV */
787	atomic_set(&itv->yuv_info.next_dma_frame, -1);
788	itv->yuv_info.lace_mode = ivtv_yuv_mode;
789	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
790	itv->yuv_info.max_frames_buffered = 3;
791	itv->yuv_info.track_osd = 1;
792	return 0;
793}
794
795/* Second initialization part. Here the card type has been
796   autodetected. */
797static void ivtv_init_struct2(struct ivtv *itv)
798{
799	int i;
800
801	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
802		if (itv->card->video_inputs[i].video_type == 0)
803			break;
804	itv->nof_inputs = i;
805	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
806		if (itv->card->audio_inputs[i].audio_type == 0)
807			break;
808	itv->nof_audio_inputs = i;
809
810	if (itv->card->hw_all & IVTV_HW_CX25840) {
811		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */
812	} else {
813		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */
814	}
815
816	/* Find tuner input */
817	for (i = 0; i < itv->nof_inputs; i++) {
818		if (itv->card->video_inputs[i].video_type ==
819				IVTV_CARD_INPUT_VID_TUNER)
820			break;
821	}
822	if (i >= itv->nof_inputs)
823		i = 0;
824	itv->active_input = i;
825	itv->audio_input = itv->card->video_inputs[i].audio_index;
826}
827
828static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
829			  const struct pci_device_id *pci_id)
830{
831	u16 cmd;
832	unsigned char pci_latency;
833
834	IVTV_DEBUG_INFO("Enabling pci device\n");
835
836	if (pci_enable_device(pdev)) {
837		IVTV_ERR("Can't enable device!\n");
838		return -EIO;
839	}
840	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
841		IVTV_ERR("No suitable DMA available.\n");
842		return -EIO;
843	}
844	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
845		IVTV_ERR("Cannot request encoder memory region.\n");
846		return -EIO;
847	}
848
849	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
850				IVTV_REG_SIZE, "ivtv registers")) {
851		IVTV_ERR("Cannot request register memory region.\n");
852		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
853		return -EIO;
854	}
855
856	if (itv->has_cx23415 &&
857	    !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
858				IVTV_DECODER_SIZE, "ivtv decoder")) {
859		IVTV_ERR("Cannot request decoder memory region.\n");
860		release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
861		release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
862		return -EIO;
863	}
864
865	/* Check for bus mastering */
866	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
867	if (!(cmd & PCI_COMMAND_MASTER)) {
868		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
869		pci_set_master(pdev);
870		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
871		if (!(cmd & PCI_COMMAND_MASTER)) {
872			IVTV_ERR("Bus Mastering is not enabled\n");
873			if (itv->has_cx23415)
874				release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
875						   IVTV_DECODER_SIZE);
876			release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
877			release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
878			return -ENXIO;
879		}
880	}
881	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
882
883	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
884
885	if (pci_latency < 64 && ivtv_pci_latency) {
886		IVTV_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
887			  pci_latency);
888		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
889		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
890	}
891	/* This config space value relates to DMA latencies. The
892	   default value 0x8080 is too low however and will lead
893	   to DMA errors. 0xffff is the max value which solves
894	   these problems. */
895	pci_write_config_dword(pdev, 0x40, 0xffff);
896
897	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
898		   pdev->device, pdev->revision, pdev->bus->number,
899		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
900		   pdev->irq, pci_latency, (u64)itv->base_addr);
901
902	return 0;
903}
904
905static void ivtv_load_and_init_modules(struct ivtv *itv)
906{
907	u32 hw = itv->card->hw_all;
908	unsigned i;
909
910	/* check which i2c devices are actually found */
911	for (i = 0; i < 32; i++) {
912		u32 device = BIT(i);
913
914		if (!(device & hw))
915			continue;
916		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
917			/* GPIO and TVEEPROM do not use i2c probing */
918			itv->hw_flags |= device;
919			continue;
920		}
921		if (ivtv_i2c_register(itv, i) == 0)
922			itv->hw_flags |= device;
923	}
924
925	/* probe for legacy IR controllers that aren't in card definitions */
926	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
927		ivtv_i2c_new_ir_legacy(itv);
928
929	if (itv->card->hw_all & IVTV_HW_CX25840)
930		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
931	else if (itv->card->hw_all & IVTV_HW_SAA717X)
932		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
933	else if (itv->card->hw_all & IVTV_HW_SAA7114)
934		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
935	else
936		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
937	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
938	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
939
940	hw = itv->hw_flags;
941
942	if (itv->card->type == IVTV_CARD_CX23416GYC) {
943		/* Several variations of this card exist, detect which card
944		   type should be used. */
945		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
946			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
947		else if ((hw & IVTV_HW_UPD64031A) == 0)
948			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
949	}
950	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
951		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {
952		/* The crystal frequency of GVMVPRX is 24.576MHz */
953		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
954			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
955	}
956
957	if (hw & IVTV_HW_CX25840) {
958		itv->vbi.raw_decoder_line_size = 1444;
959		itv->vbi.raw_decoder_sav_odd_field = 0x20;
960		itv->vbi.raw_decoder_sav_even_field = 0x60;
961		itv->vbi.sliced_decoder_line_size = 272;
962		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
963		itv->vbi.sliced_decoder_sav_even_field = 0xF0;
964	}
965
966	if (hw & IVTV_HW_SAA711X) {
967		/* determine the exact saa711x model */
968		itv->hw_flags &= ~IVTV_HW_SAA711X;
969
970		if (strstr(itv->sd_video->name, "saa7114")) {
971			itv->hw_flags |= IVTV_HW_SAA7114;
972			/* VBI is not yet supported by the saa7114 driver. */
973			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
974		} else {
975			itv->hw_flags |= IVTV_HW_SAA7115;
976		}
977		itv->vbi.raw_decoder_line_size = 1443;
978		itv->vbi.raw_decoder_sav_odd_field = 0x25;
979		itv->vbi.raw_decoder_sav_even_field = 0x62;
980		itv->vbi.sliced_decoder_line_size = 51;
981		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
982		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
983	}
984
985	if (hw & IVTV_HW_SAA717X) {
986		itv->vbi.raw_decoder_line_size = 1443;
987		itv->vbi.raw_decoder_sav_odd_field = 0x25;
988		itv->vbi.raw_decoder_sav_even_field = 0x62;
989		itv->vbi.sliced_decoder_line_size = 51;
990		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
991		itv->vbi.sliced_decoder_sav_even_field = 0xEC;
992	}
993}
994
995static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
996{
997	int retval = 0;
998	int vbi_buf_size;
999	struct ivtv *itv;
1000
1001	itv = kzalloc(sizeof(struct ivtv), GFP_KERNEL);
1002	if (itv == NULL)
1003		return -ENOMEM;
1004	itv->pdev = pdev;
1005	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
1006						&ivtv_instance);
1007
1008	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
1009	if (retval) {
1010		kfree(itv);
1011		return retval;
1012	}
1013	IVTV_INFO("Initializing card %d\n", itv->instance);
1014
1015	ivtv_process_options(itv);
1016	if (itv->options.cardtype == -1) {
1017		retval = -ENODEV;
1018		goto err;
1019	}
1020	if (ivtv_init_struct1(itv)) {
1021		retval = -ENOMEM;
1022		goto err;
1023	}
1024	retval = cx2341x_handler_init(&itv->cxhdl, 50);
1025	if (retval)
1026		goto err;
1027	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1028	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1029	itv->cxhdl.priv = itv;
1030	itv->cxhdl.func = ivtv_api_func;
1031
1032	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
1033
1034	/* PCI Device Setup */
1035	retval = ivtv_setup_pci(itv, pdev, pci_id);
1036	if (retval == -EIO)
1037		goto free_worker;
1038	if (retval == -ENXIO)
1039		goto free_mem;
1040
1041	/* map io memory */
1042	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1043		   (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1044	itv->enc_mem = ioremap(itv->base_addr + IVTV_ENCODER_OFFSET,
1045				       IVTV_ENCODER_SIZE);
1046	if (!itv->enc_mem) {
1047		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 encoder memory\n");
1048		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");
1049		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1050		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1051		retval = -ENOMEM;
1052		goto free_mem;
1053	}
1054
1055	if (itv->has_cx23415) {
1056		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1057				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1058		itv->dec_mem = ioremap(itv->base_addr + IVTV_DECODER_OFFSET,
1059				IVTV_DECODER_SIZE);
1060		if (!itv->dec_mem) {
1061			IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");
1062			IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");
1063			IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1064			IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1065			retval = -ENOMEM;
1066			goto free_mem;
1067		}
1068	}
1069	else {
1070		itv->dec_mem = itv->enc_mem;
1071	}
1072
1073	/* map registers memory */
1074	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1075		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1076	itv->reg_mem =
1077	    ioremap(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1078	if (!itv->reg_mem) {
1079		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");
1080		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");
1081		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1082		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1083		retval = -ENOMEM;
1084		goto free_io;
1085	}
1086
1087	retval = ivtv_gpio_init(itv);
1088	if (retval)
1089		goto free_io;
1090
1091	/* active i2c  */
1092	IVTV_DEBUG_INFO("activating i2c...\n");
1093	if (init_ivtv_i2c(itv)) {
1094		IVTV_ERR("Could not initialize i2c\n");
1095		goto free_io;
1096	}
1097
1098	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1099		/* Based on the model number the cardtype may be changed.
1100		   The PCI IDs are not always reliable. */
1101		ivtv_process_eeprom(itv);
1102	}
1103	if (itv->card->comment)
1104		IVTV_INFO("%s", itv->card->comment);
1105	if (itv->card->v4l2_capabilities == 0) {
1106		/* card was detected but is not supported */
1107		retval = -ENODEV;
1108		goto free_i2c;
1109	}
1110
1111	if (itv->std == 0) {
1112		itv->std = V4L2_STD_NTSC_M;
1113	}
1114
1115	if (itv->options.tuner == -1) {
1116		int i;
1117
1118		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1119			if ((itv->std & itv->card->tuners[i].std) == 0)
1120				continue;
1121			itv->options.tuner = itv->card->tuners[i].tuner;
1122			break;
1123		}
1124	}
1125	/* if no tuner was found, then pick the first tuner in the card list */
1126	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1127		itv->std = itv->card->tuners[0].std;
1128		if (itv->std & V4L2_STD_PAL)
1129			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1130		else if (itv->std & V4L2_STD_NTSC)
1131			itv->std = V4L2_STD_NTSC_M;
1132		else if (itv->std & V4L2_STD_SECAM)
1133			itv->std = V4L2_STD_SECAM_L;
1134		itv->options.tuner = itv->card->tuners[0].tuner;
1135	}
1136	if (itv->options.radio == -1)
1137		itv->options.radio = (itv->card->radio_input.audio_type != 0);
1138
1139	/* The card is now fully identified, continue with card-specific
1140	   initialization. */
1141	ivtv_init_struct2(itv);
1142
1143	ivtv_load_and_init_modules(itv);
1144
1145	if (itv->std & V4L2_STD_525_60) {
1146		itv->is_60hz = 1;
1147		itv->is_out_60hz = 1;
1148	} else {
1149		itv->is_50hz = 1;
1150		itv->is_out_50hz = 1;
1151	}
1152
1153	itv->yuv_info.osd_full_w = 720;
1154	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1155	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1156	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1157
1158	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
1159
1160	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1161	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1162	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1163	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1164	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1165
1166	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1167	   It is possible to switch between PAL and NTSC, so we need to
1168	   take the largest size here. */
1169	/* 1456 is multiple of 16, real size = 1444 */
1170	itv->vbi.raw_size = 1456;
1171	/* We use a buffer size of 1/2 of the total size needed for a
1172	   frame. This is actually very useful, since we now receive
1173	   a field at a time and that makes 'compressing' the raw data
1174	   down to size by stripping off the SAV codes a lot easier.
1175	   Note: having two different buffer sizes prevents standard
1176	   switching on the fly. We need to find a better solution... */
1177	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1178	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1179	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1180
1181	if (itv->options.radio > 0)
1182		itv->v4l2_cap |= V4L2_CAP_RADIO;
1183
1184	if (itv->options.tuner > -1) {
1185		struct tuner_setup setup;
1186
1187		setup.addr = ADDR_UNSET;
1188		setup.type = itv->options.tuner;
1189		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1190		if (itv->options.radio > 0)
1191			setup.mode_mask |= T_RADIO;
1192		setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1193			ivtv_reset_tuner_gpio : NULL;
1194		ivtv_call_all(itv, tuner, s_type_addr, &setup);
1195		if (setup.type == TUNER_XC2028) {
1196			static struct xc2028_ctrl ctrl = {
1197				.fname = XC2028_DEFAULT_FIRMWARE,
1198				.max_len = 64,
1199			};
1200			struct v4l2_priv_tun_config cfg = {
1201				.tuner = itv->options.tuner,
1202				.priv = &ctrl,
1203			};
1204			ivtv_call_all(itv, tuner, s_config, &cfg);
1205		}
1206	}
1207
1208	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1209	   are not. */
1210	itv->tuner_std = itv->std;
1211
1212	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1213		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1214
1215		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1216				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
1217		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
1218				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
1219		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1220		   mask that menu item. */
1221		itv->ctrl_audio_playback =
1222			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1223				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1224				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1225				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1226				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1227		itv->ctrl_audio_multilingual_playback =
1228			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
1229				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1230				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1231				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1232				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1233		if (hdl->error) {
1234			retval = hdl->error;
1235			goto free_i2c;
1236		}
1237		v4l2_ctrl_cluster(2, &itv->ctrl_pts);
1238		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
1239		ivtv_call_all(itv, video, s_std_output, itv->std);
1240		/* Turn off the output signal. The mpeg decoder is not yet
1241		   active so without this you would get a green image until the
1242		   mpeg decoder becomes active. */
1243		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1244	}
1245
1246	/* clear interrupt mask, effectively disabling interrupts */
1247	ivtv_set_irq_mask(itv, 0xffffffff);
1248
1249	/* Register IRQ */
1250	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
1251	     IRQF_SHARED, itv->v4l2_dev.name, (void *)itv);
1252	if (retval) {
1253		IVTV_ERR("Failed to register irq %d\n", retval);
1254		goto free_i2c;
1255	}
1256
1257	retval = ivtv_streams_setup(itv);
1258	if (retval) {
1259		IVTV_ERR("Error %d setting up streams\n", retval);
1260		goto free_irq;
1261	}
1262	retval = ivtv_streams_register(itv);
1263	if (retval) {
1264		IVTV_ERR("Error %d registering devices\n", retval);
1265		goto free_streams;
1266	}
1267	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1268
1269	/* Load ivtv submodules (ivtv-alsa) */
1270	request_modules(itv);
1271	return 0;
1272
1273free_streams:
1274	ivtv_streams_cleanup(itv);
1275free_irq:
1276	free_irq(itv->pdev->irq, (void *)itv);
1277free_i2c:
1278	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1279	exit_ivtv_i2c(itv);
1280free_io:
1281	ivtv_iounmap(itv);
1282free_mem:
1283	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1284	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1285	if (itv->has_cx23415)
1286		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1287free_worker:
1288	kthread_stop(itv->irq_worker_task);
1289err:
1290	if (retval == 0)
1291		retval = -ENODEV;
1292	IVTV_ERR("Error %d on initialization\n", retval);
1293
1294	v4l2_device_unregister(&itv->v4l2_dev);
1295	kfree(itv);
1296	return retval;
1297}
1298
1299int ivtv_init_on_first_open(struct ivtv *itv)
1300{
1301	struct v4l2_frequency vf;
1302	/* Needed to call ioctls later */
1303	struct ivtv_open_id fh;
1304	int fw_retry_count = 3;
1305	int video_input;
1306
1307	fh.itv = itv;
1308	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1309
1310	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1311		return -ENXIO;
1312
1313	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
1314		return 0;
1315
1316	while (--fw_retry_count > 0) {
1317		/* load firmware */
1318		if (ivtv_firmware_init(itv) == 0)
1319			break;
1320		if (fw_retry_count > 1)
1321			IVTV_WARN("Retry loading firmware\n");
1322	}
1323
1324	if (fw_retry_count == 0) {
1325		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
1326		return -ENXIO;
1327	}
1328
1329	/* Try and get firmware versions */
1330	IVTV_DEBUG_INFO("Getting firmware version..\n");
1331	ivtv_firmware_versions(itv);
1332
1333	if (itv->card->hw_all & IVTV_HW_CX25840)
1334		v4l2_subdev_call(itv->sd_video, core, load_fw);
1335
1336	vf.tuner = 0;
1337	vf.type = V4L2_TUNER_ANALOG_TV;
1338	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1339
1340	/* Set initial frequency. For PAL/SECAM broadcasts no
1341	   'default' channel exists AFAIK. */
1342	if (itv->std == V4L2_STD_NTSC_M_JP) {
1343		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
1344	}
1345	else if (itv->std & V4L2_STD_NTSC_M) {
1346		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
1347	}
1348
1349	video_input = itv->active_input;
1350	itv->active_input++;	/* Force update of input */
1351	ivtv_s_input(NULL, &fh, video_input);
1352
1353	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1354	   in one place. */
1355	itv->std++;		/* Force full standard initialization */
1356	itv->std_out = itv->std;
1357	ivtv_s_frequency(NULL, &fh, &vf);
1358
1359	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1360		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1361		   the mpeg decoder so now the saa7127 receives a proper
1362		   signal. */
1363		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1364		ivtv_init_mpeg_decoder(itv);
1365	}
1366
1367	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1368	if (!itv->has_cx23415)
1369		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1370
1371	ivtv_s_std_enc(itv, itv->tuner_std);
1372
1373	/* Default interrupts enabled. For the PVR350 this includes the
1374	   decoder VSYNC interrupt, which is always on. It is not only used
1375	   during decoding but also by the OSD.
1376	   Some old PVR250 cards had a cx23415, so testing for that is too
1377	   general. Instead test if the card has video output capability. */
1378	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1379		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1380		ivtv_set_osd_alpha(itv);
1381		ivtv_s_std_dec(itv, itv->tuner_std);
1382	} else {
1383		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1384	}
1385
1386	/* Setup initial controls */
1387	cx2341x_handler_setup(&itv->cxhdl);
1388	return 0;
1389}
1390
1391static void ivtv_remove(struct pci_dev *pdev)
1392{
1393	struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
1394	struct ivtv *itv = to_ivtv(v4l2_dev);
1395	int i;
1396
1397	IVTV_DEBUG_INFO("Removing card\n");
1398
1399	flush_request_modules(itv);
1400
1401	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1402		/* Stop all captures */
1403		IVTV_DEBUG_INFO("Stopping all streams\n");
1404		if (atomic_read(&itv->capturing) > 0)
1405			ivtv_stop_all_captures(itv);
1406
1407		/* Stop all decoding */
1408		IVTV_DEBUG_INFO("Stopping decoding\n");
1409
1410		/* Turn off the TV-out */
1411		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1412			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1413		if (atomic_read(&itv->decoding) > 0) {
1414			int type;
1415
1416			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1417				type = IVTV_DEC_STREAM_TYPE_YUV;
1418			else
1419				type = IVTV_DEC_STREAM_TYPE_MPG;
1420			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
1421				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
1422		}
1423		ivtv_halt_firmware(itv);
1424	}
1425
1426	/* Interrupts */
1427	ivtv_set_irq_mask(itv, 0xffffffff);
1428	timer_shutdown_sync(&itv->dma_timer);
1429
1430	/* Kill irq worker */
1431	kthread_flush_worker(&itv->irq_worker);
1432	kthread_stop(itv->irq_worker_task);
1433
1434	ivtv_streams_cleanup(itv);
1435	ivtv_udma_free(itv);
1436
1437	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
1438
1439	exit_ivtv_i2c(itv);
1440
1441	free_irq(itv->pdev->irq, (void *)itv);
1442	ivtv_iounmap(itv);
1443
1444	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1445	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1446	if (itv->has_cx23415)
1447		release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1448
1449	pci_disable_device(itv->pdev);
1450	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1451		kfree(itv->vbi.sliced_mpeg_data[i]);
1452
1453	pr_info("Removed %s\n", itv->card_name);
1454
1455	v4l2_device_unregister(&itv->v4l2_dev);
1456	kfree(itv);
1457}
1458
1459/* define a pci_driver for card detection */
1460static struct pci_driver ivtv_pci_driver = {
1461      .name =     "ivtv",
1462      .id_table = ivtv_pci_tbl,
1463      .probe =    ivtv_probe,
1464      .remove =   ivtv_remove,
1465};
1466
1467static int __init module_start(void)
1468{
1469	pr_info("Start initialization, version %s\n", IVTV_VERSION);
1470
1471	/* Validate parameters */
1472	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1473		pr_err("Exiting, ivtv_first_minor must be between 0 and %d\n",
1474		     IVTV_MAX_CARDS - 1);
1475		return -1;
1476	}
1477
1478	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1479		ivtv_debug = 0;
1480		pr_info("Debug value must be >= 0 and <= 2047\n");
1481	}
1482
1483	if (pci_register_driver(&ivtv_pci_driver)) {
1484		pr_err("Error detecting PCI card\n");
1485		return -ENODEV;
1486	}
1487	pr_info("End initialization\n");
1488	return 0;
1489}
1490
1491static void __exit module_cleanup(void)
1492{
1493	pci_unregister_driver(&ivtv_pci_driver);
1494}
1495
1496/* Note: These symbols are exported because they are used by the ivtvfb
1497   framebuffer module and an infrared module for the IR-blaster. */
1498EXPORT_SYMBOL(ivtv_set_irq_mask);
1499EXPORT_SYMBOL(ivtv_api);
1500EXPORT_SYMBOL(ivtv_vapi);
1501EXPORT_SYMBOL(ivtv_vapi_result);
1502EXPORT_SYMBOL(ivtv_clear_irq_mask);
1503EXPORT_SYMBOL(ivtv_debug);
1504#ifdef CONFIG_VIDEO_ADV_DEBUG
1505EXPORT_SYMBOL(ivtv_fw_debug);
1506#endif
1507EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1508EXPORT_SYMBOL(ivtv_udma_setup);
1509EXPORT_SYMBOL(ivtv_udma_unmap);
1510EXPORT_SYMBOL(ivtv_udma_alloc);
1511EXPORT_SYMBOL(ivtv_udma_prepare);
1512EXPORT_SYMBOL(ivtv_init_on_first_open);
1513EXPORT_SYMBOL(ivtv_firmware_check);
1514
1515module_init(module_start);
1516module_exit(module_cleanup);
1517