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1/*2    ivtv driver initialization and card probing3    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 modify8    it under the terms of the GNU General Public License as published by9    the Free Software Foundation; either version 2 of the License, or10    (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 of14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the15    GNU General Public License for more details.16 17    You should have received a copy of the GNU General Public License18    along with this program; if not, write to the Free Software19    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA20 */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: GPL26 *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/RX38 *                version by T.Adachi. Special thanks  Mr.Suzuki39 */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 way64   the device numbers stay matched. Example: you have a WinTV card65   without radio and a PVR-350 with. Normally this would give a66   video1 device together with a radio0 device for the PVR. By67   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 4115#define IVTV_DEFAULT_ENC_YUV_BUFFERS 2116#define IVTV_DEFAULT_ENC_VBI_BUFFERS 1117/* Exception: size in kB for this stream (MB is overkill) */118#define IVTV_DEFAULT_ENC_PCM_BUFFERS 320119#define IVTV_DEFAULT_DEC_MPG_BUFFERS 1120#define IVTV_DEFAULT_DEC_YUV_BUFFERS 1121/* Exception: size in kB for this stream (MB is way overkill) */122#define IVTV_DEFAULT_DEC_VBI_BUFFERS 64123 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_DEBUG138int ivtv_fw_debug;139#endif140 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_DEBUG152module_param_named(fw_debug, ivtv_fw_debug, int, 0644);153#endif154module_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_DEBUG231MODULE_PARM_DESC(fw_debug,232		 "Enable code for debugging firmware problems.  Default: 0\n");233#endif234MODULE_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#else306#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/* Hauppauge card? get values from tveeprom */375void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)376{377	u8 eedata[256];378 379	itv->i2c_client.addr = 0xA0 >> 1;380	tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));381	tveeprom_hauppauge_analog(tv, eedata);382}383 384static void ivtv_process_eeprom(struct ivtv *itv)385{386	struct tveeprom tv;387	int pci_slot = PCI_SLOT(itv->pdev->devfn);388 389	ivtv_read_eeprom(itv, &tv);390 391	/* Many thanks to Steven Toth from Hauppauge for providing the392	   model numbers */393	switch (tv.model) {394		/* In a few cases the PCI subsystem IDs do not correctly395		   identify the card. A better method is to check the396		   model number from the eeprom instead. */397		case 30012 ... 30039:  /* Low profile PVR250 */398		case 32000 ... 32999:399		case 48000 ... 48099:  /* 48??? range are PVR250s with a cx23415 */400		case 48400 ... 48599:401			itv->card = ivtv_get_card(IVTV_CARD_PVR_250);402			break;403		case 48100 ... 48399:404		case 48600 ... 48999:405			itv->card = ivtv_get_card(IVTV_CARD_PVR_350);406			break;407		case 23000 ... 23999:  /* PVR500 */408		case 25000 ... 25999:  /* Low profile PVR150 */409		case 26000 ... 26999:  /* Regular PVR150 */410			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);411			break;412		case 0:413			IVTV_ERR("Invalid EEPROM\n");414			return;415		default:416			IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);417			itv->card = ivtv_get_card(IVTV_CARD_PVR_150);418			break;419	}420 421	switch (tv.model) {422		/* Old style PVR350 (with an saa7114) uses this input for423		   the tuner. */424		case 48254:425			itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);426			break;427		default:428			break;429	}430 431	itv->v4l2_cap = itv->card->v4l2_capabilities;432	itv->card_name = itv->card->name;433	itv->card_i2c = itv->card->i2c;434 435	/* If this is a PVR500 then it should be possible to detect whether it is the436	   first or second unit by looking at the subsystem device ID: is bit 4 is437	   set, then it is the second unit (according to info from Hauppauge).438 439	   However, while this works for most cards, I have seen a few PVR500 cards440	   where both units have the same subsystem ID.441 442	   So instead I look at the reported 'PCI slot' (which is the slot on the PVR500443	   PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise444	   it is the second unit. It is possible that it is a different slot when ivtv is445	   used in Xen, in that case I ignore this card here. The worst that can happen446	   is that the card presents itself with a non-working radio device.447 448	   This detection is needed since the eeprom reports incorrectly that a radio is449	   present on the second unit. */450	if (tv.model / 1000 == 23) {451		static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {452			.radio = { 0x60, I2C_CLIENT_END },453			.demod = { 0x43, I2C_CLIENT_END },454			.tv = { 0x61, I2C_CLIENT_END },455		};456 457		itv->card_name = "WinTV PVR 500";458		itv->card_i2c = &ivtv_i2c_radio;459		if (pci_slot == 8 || pci_slot == 9) {460			int is_first = (pci_slot & 1) == 0;461 462			itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :463						    "WinTV PVR 500 (unit #2)";464			if (!is_first) {465				IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");466				tv.has_radio = 0;467			}468		}469	}470	IVTV_INFO("Autodetected %s\n", itv->card_name);471 472	switch (tv.tuner_hauppauge_model) {473		case 85:474		case 99:475		case 112:476			itv->pvr150_workaround = 1;477			break;478		default:479			break;480	}481	if (tv.tuner_type == TUNER_ABSENT)482		IVTV_ERR("tveeprom cannot autodetect tuner!\n");483 484	if (itv->options.tuner == -1)485		itv->options.tuner = tv.tuner_type;486	if (itv->options.radio == -1)487		itv->options.radio = (tv.has_radio != 0);488	/* only enable newi2c if an IR blaster is present */489	if (itv->options.newi2c == -1 && tv.has_ir) {490		itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;491		if (itv->options.newi2c) {492		    IVTV_INFO("Reopen i2c bus for IR-blaster support\n");493		    exit_ivtv_i2c(itv);494		    init_ivtv_i2c(itv);495		}496	}497 498	if (itv->std != 0)499		/* user specified tuner standard */500		return;501 502	/* autodetect tuner standard */503	if (tv.tuner_formats & V4L2_STD_PAL) {504		IVTV_DEBUG_INFO("PAL tuner detected\n");505		itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;506	} else if (tv.tuner_formats & V4L2_STD_NTSC) {507		IVTV_DEBUG_INFO("NTSC tuner detected\n");508		itv->std |= V4L2_STD_NTSC_M;509	} else if (tv.tuner_formats & V4L2_STD_SECAM) {510		IVTV_DEBUG_INFO("SECAM tuner detected\n");511		itv->std |= V4L2_STD_SECAM_L;512	} else {513		IVTV_INFO("No tuner detected, default to NTSC-M\n");514		itv->std |= V4L2_STD_NTSC_M;515	}516}517 518static v4l2_std_id ivtv_parse_std(struct ivtv *itv)519{520	switch (pal[0]) {521		case '6':522			tunertype = 0;523			return V4L2_STD_PAL_60;524		case 'b':525		case 'B':526		case 'g':527		case 'G':528		case 'h':529		case 'H':530			tunertype = 0;531			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;532		case 'n':533		case 'N':534			tunertype = 1;535			if (pal[1] == 'c' || pal[1] == 'C')536				return V4L2_STD_PAL_Nc;537			return V4L2_STD_PAL_N;538		case 'i':539		case 'I':540			tunertype = 0;541			return V4L2_STD_PAL_I;542		case 'd':543		case 'D':544		case 'k':545		case 'K':546			tunertype = 0;547			return V4L2_STD_PAL_DK;548		case 'M':549		case 'm':550			tunertype = 1;551			return V4L2_STD_PAL_M;552		case '-':553			break;554		default:555			IVTV_WARN("pal= argument not recognised\n");556			return 0;557	}558 559	switch (secam[0]) {560		case 'b':561		case 'B':562		case 'g':563		case 'G':564		case 'h':565		case 'H':566			tunertype = 0;567			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;568		case 'd':569		case 'D':570		case 'k':571		case 'K':572			tunertype = 0;573			return V4L2_STD_SECAM_DK;574		case 'l':575		case 'L':576			tunertype = 0;577			if (secam[1] == 'C' || secam[1] == 'c')578				return V4L2_STD_SECAM_LC;579			return V4L2_STD_SECAM_L;580		case '-':581			break;582		default:583			IVTV_WARN("secam= argument not recognised\n");584			return 0;585	}586 587	switch (ntsc[0]) {588		case 'm':589		case 'M':590			tunertype = 1;591			return V4L2_STD_NTSC_M;592		case 'j':593		case 'J':594			tunertype = 1;595			return V4L2_STD_NTSC_M_JP;596		case 'k':597		case 'K':598			tunertype = 1;599			return V4L2_STD_NTSC_M_KR;600		case '-':601			break;602		default:603			IVTV_WARN("ntsc= argument not recognised\n");604			return 0;605	}606 607	/* no match found */608	return 0;609}610 611static void ivtv_process_options(struct ivtv *itv)612{613	const char *chipname;614	int i, j;615 616	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;617	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;618	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;619	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;620	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;621	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;622	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;623	itv->options.cardtype = cardtype[itv->instance];624	itv->options.tuner = tuner[itv->instance];625	itv->options.radio = radio[itv->instance];626 627	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];628	if (itv->options.i2c_clock_period == -1)629		itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;630	else if (itv->options.i2c_clock_period < 10)631		itv->options.i2c_clock_period = 10;632	else if (itv->options.i2c_clock_period > 4500)633		itv->options.i2c_clock_period = 4500;634 635	itv->options.newi2c = newi2c;636	if (tunertype < -1 || tunertype > 1) {637		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");638		tunertype = -1;639	}640	itv->std = ivtv_parse_std(itv);641	if (itv->std == 0 && tunertype >= 0)642		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);643	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);644	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";645	if (itv->options.cardtype == -1) {646		IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);647		return;648	}649	if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {650		IVTV_INFO("User specified %s card (detected %s based chip)\n",651				itv->card->name, chipname);652	} else if (itv->options.cardtype != 0) {653		IVTV_ERR("Unknown user specified type, trying to autodetect card\n");654	}655	if (itv->card == NULL) {656		if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||657		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||658		    itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {659			itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);660			IVTV_INFO("Autodetected Hauppauge card (%s based)\n",661					chipname);662		}663	}664	if (itv->card == NULL) {665		for (i = 0; (itv->card = ivtv_get_card(i)); i++) {666			if (itv->card->pci_list == NULL)667				continue;668			for (j = 0; itv->card->pci_list[j].device; j++) {669				if (itv->pdev->device !=670				    itv->card->pci_list[j].device)671					continue;672				if (itv->pdev->subsystem_vendor !=673				    itv->card->pci_list[j].subsystem_vendor)674					continue;675				if (itv->pdev->subsystem_device !=676				    itv->card->pci_list[j].subsystem_device)677					continue;678				IVTV_INFO("Autodetected %s card (%s based)\n",679						itv->card->name, chipname);680				goto done;681			}682		}683	}684done:685 686	if (itv->card == NULL) {687		itv->card = ivtv_get_card(IVTV_CARD_PVR_150);688		IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",689		     itv->pdev->vendor, itv->pdev->device);690		IVTV_ERR("              subsystem vendor/device: [%04x:%04x]\n",691		     itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);692		IVTV_ERR("              %s based\n", chipname);693		IVTV_ERR("Defaulting to %s card\n", itv->card->name);694		IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");695		IVTV_ERR("card you have to the linux-media mailinglist (www.linuxtv.org)\n");696		IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");697	}698	itv->v4l2_cap = itv->card->v4l2_capabilities;699	itv->card_name = itv->card->name;700	itv->card_i2c = itv->card->i2c;701}702 703/* Precondition: the ivtv structure has been memset to 0. Only704   the dev and num fields have been filled in.705   No assumptions on the card type may be made here (see ivtv_init_struct2706   for that).707 */708static int ivtv_init_struct1(struct ivtv *itv)709{710	itv->base_addr = pci_resource_start(itv->pdev, 0);711	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */712	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */713 714	mutex_init(&itv->serialize_lock);715	mutex_init(&itv->i2c_bus_lock);716	mutex_init(&itv->udma.lock);717 718	spin_lock_init(&itv->lock);719	spin_lock_init(&itv->dma_reg_lock);720 721	kthread_init_worker(&itv->irq_worker);722	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,723					   "%s", itv->v4l2_dev.name);724	if (IS_ERR(itv->irq_worker_task)) {725		IVTV_ERR("Could not create ivtv task\n");726		return -1;727	}728	/* must use the FIFO scheduler as it is realtime sensitive */729	sched_set_fifo(itv->irq_worker_task);730 731	kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);732 733	/* Initial settings */734	itv->cxhdl.port = CX2341X_PORT_MEMORY;735	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;736	init_waitqueue_head(&itv->eos_waitq);737	init_waitqueue_head(&itv->event_waitq);738	init_waitqueue_head(&itv->vsync_waitq);739	init_waitqueue_head(&itv->dma_waitq);740	timer_setup(&itv->dma_timer, ivtv_unfinished_dma, 0);741 742	itv->cur_dma_stream = -1;743	itv->cur_pio_stream = -1;744 745	/* Ctrls */746	itv->speed = 1000;747 748	/* VBI */749	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;750	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;751 752	/* Init the sg table for osd/yuv output */753	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);754 755	/* OSD */756	itv->osd_global_alpha_state = 1;757	itv->osd_global_alpha = 255;758 759	/* YUV */760	atomic_set(&itv->yuv_info.next_dma_frame, -1);761	itv->yuv_info.lace_mode = ivtv_yuv_mode;762	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;763	itv->yuv_info.max_frames_buffered = 3;764	itv->yuv_info.track_osd = 1;765	return 0;766}767 768/* Second initialization part. Here the card type has been769   autodetected. */770static void ivtv_init_struct2(struct ivtv *itv)771{772	int i;773 774	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)775		if (itv->card->video_inputs[i].video_type == 0)776			break;777	itv->nof_inputs = i;778	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)779		if (itv->card->audio_inputs[i].audio_type == 0)780			break;781	itv->nof_audio_inputs = i;782 783	if (itv->card->hw_all & IVTV_HW_CX25840) {784		itv->vbi.sliced_size = 288;  /* multiple of 16, real size = 284 */785	} else {786		itv->vbi.sliced_size = 64;   /* multiple of 16, real size = 52 */787	}788 789	/* Find tuner input */790	for (i = 0; i < itv->nof_inputs; i++) {791		if (itv->card->video_inputs[i].video_type ==792				IVTV_CARD_INPUT_VID_TUNER)793			break;794	}795	if (i >= itv->nof_inputs)796		i = 0;797	itv->active_input = i;798	itv->audio_input = itv->card->video_inputs[i].audio_index;799}800 801static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,802			  const struct pci_device_id *pci_id)803{804	u16 cmd;805	unsigned char pci_latency;806 807	IVTV_DEBUG_INFO("Enabling pci device\n");808 809	if (pcim_enable_device(pdev)) {810		IVTV_ERR("Can't enable device!\n");811		return -EIO;812	}813	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {814		IVTV_ERR("No suitable DMA available.\n");815		return -EIO;816	}817	if (!devm_request_mem_region(&pdev->dev, itv->base_addr,818				     IVTV_ENCODER_SIZE, "ivtv encoder")) {819		IVTV_ERR("Cannot request encoder memory region.\n");820		return -EIO;821	}822 823	if (!devm_request_mem_region(&pdev->dev,824				     itv->base_addr + IVTV_REG_OFFSET,825				     IVTV_REG_SIZE, "ivtv registers")) {826		IVTV_ERR("Cannot request register memory region.\n");827		return -EIO;828	}829 830	if (itv->has_cx23415 &&831	    !devm_request_mem_region(&pdev->dev,832				     itv->base_addr + IVTV_DECODER_OFFSET,833				     IVTV_DECODER_SIZE, "ivtv decoder")) {834		IVTV_ERR("Cannot request decoder memory region.\n");835		return -EIO;836	}837 838	/* Check for bus mastering */839	pci_read_config_word(pdev, PCI_COMMAND, &cmd);840	if (!(cmd & PCI_COMMAND_MASTER)) {841		IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");842		pci_set_master(pdev);843		pci_read_config_word(pdev, PCI_COMMAND, &cmd);844		if (!(cmd & PCI_COMMAND_MASTER)) {845			IVTV_ERR("Bus Mastering is not enabled\n");846			return -ENXIO;847		}848	}849	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");850 851	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);852 853	if (pci_latency < 64 && ivtv_pci_latency) {854		IVTV_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",855			  pci_latency);856		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);857		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);858	}859	/* This config space value relates to DMA latencies. The860	   default value 0x8080 is too low however and will lead861	   to DMA errors. 0xffff is the max value which solves862	   these problems. */863	pci_write_config_dword(pdev, 0x40, 0xffff);864 865	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",866		   pdev->device, pdev->revision, pdev->bus->number,867		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),868		   pdev->irq, pci_latency, (u64)itv->base_addr);869 870	return 0;871}872 873static void ivtv_load_and_init_modules(struct ivtv *itv)874{875	u32 hw = itv->card->hw_all;876	unsigned i;877 878	/* check which i2c devices are actually found */879	for (i = 0; i < 32; i++) {880		u32 device = BIT(i);881 882		if (!(device & hw))883			continue;884		if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {885			/* GPIO and TVEEPROM do not use i2c probing */886			itv->hw_flags |= device;887			continue;888		}889		if (ivtv_i2c_register(itv, i) == 0)890			itv->hw_flags |= device;891	}892 893	/* probe for legacy IR controllers that aren't in card definitions */894	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)895		ivtv_i2c_new_ir_legacy(itv);896 897	if (itv->card->hw_all & IVTV_HW_CX25840)898		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);899	else if (itv->card->hw_all & IVTV_HW_SAA717X)900		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);901	else if (itv->card->hw_all & IVTV_HW_SAA7114)902		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);903	else904		itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);905	itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);906	itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);907 908	hw = itv->hw_flags;909 910	if (itv->card->type == IVTV_CARD_CX23416GYC) {911		/* Several variations of this card exist, detect which card912		   type should be used. */913		if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)914			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);915		else if ((hw & IVTV_HW_UPD64031A) == 0)916			itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);917	}918	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||919		 itv->card->type == IVTV_CARD_GV_MVPRX2E) {920		/* The crystal frequency of GVMVPRX is 24.576MHz */921		v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,922			SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);923	}924 925	if (hw & IVTV_HW_CX25840) {926		itv->vbi.raw_decoder_line_size = 1444;927		itv->vbi.raw_decoder_sav_odd_field = 0x20;928		itv->vbi.raw_decoder_sav_even_field = 0x60;929		itv->vbi.sliced_decoder_line_size = 272;930		itv->vbi.sliced_decoder_sav_odd_field = 0xB0;931		itv->vbi.sliced_decoder_sav_even_field = 0xF0;932	}933 934	if (hw & IVTV_HW_SAA711X) {935		/* determine the exact saa711x model */936		itv->hw_flags &= ~IVTV_HW_SAA711X;937 938		if (strstr(itv->sd_video->name, "saa7114")) {939			itv->hw_flags |= IVTV_HW_SAA7114;940			/* VBI is not yet supported by the saa7114 driver. */941			itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);942		} else {943			itv->hw_flags |= IVTV_HW_SAA7115;944		}945		itv->vbi.raw_decoder_line_size = 1443;946		itv->vbi.raw_decoder_sav_odd_field = 0x25;947		itv->vbi.raw_decoder_sav_even_field = 0x62;948		itv->vbi.sliced_decoder_line_size = 51;949		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;950		itv->vbi.sliced_decoder_sav_even_field = 0xEC;951	}952 953	if (hw & IVTV_HW_SAA717X) {954		itv->vbi.raw_decoder_line_size = 1443;955		itv->vbi.raw_decoder_sav_odd_field = 0x25;956		itv->vbi.raw_decoder_sav_even_field = 0x62;957		itv->vbi.sliced_decoder_line_size = 51;958		itv->vbi.sliced_decoder_sav_odd_field = 0xAB;959		itv->vbi.sliced_decoder_sav_even_field = 0xEC;960	}961}962 963static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)964{965	int retval = 0;966	int vbi_buf_size;967	struct ivtv *itv;968 969	itv = kzalloc(sizeof(struct ivtv), GFP_KERNEL);970	if (itv == NULL)971		return -ENOMEM;972	itv->pdev = pdev;973	itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",974						&ivtv_instance);975 976	retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);977	if (retval) {978		kfree(itv);979		return retval;980	}981	IVTV_INFO("Initializing card %d\n", itv->instance);982 983	ivtv_process_options(itv);984	if (itv->options.cardtype == -1) {985		retval = -ENODEV;986		goto err;987	}988	if (ivtv_init_struct1(itv)) {989		retval = -ENOMEM;990		goto err;991	}992	retval = cx2341x_handler_init(&itv->cxhdl, 50);993	if (retval)994		goto err;995	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;996	itv->cxhdl.ops = &ivtv_cxhdl_ops;997	itv->cxhdl.priv = itv;998	itv->cxhdl.func = ivtv_api_func;999 1000	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);1001 1002	/* PCI Device Setup */1003	retval = ivtv_setup_pci(itv, pdev, pci_id);1004	if (retval == -EIO || retval == -ENXIO)1005		goto free_worker;1006 1007	/* map io memory */1008	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",1009		   (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);1010	itv->enc_mem = devm_ioremap(&pdev->dev,1011				    itv->base_addr + IVTV_ENCODER_OFFSET,1012				    IVTV_ENCODER_SIZE);1013	if (!itv->enc_mem) {1014		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 encoder memory\n");1015		IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");1016		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");1017		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");1018		retval = -ENOMEM;1019		goto free_worker;1020	}1021 1022	if (itv->has_cx23415) {1023		IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",1024				(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);1025		itv->dec_mem = devm_ioremap(&pdev->dev,1026					    itv->base_addr + IVTV_DECODER_OFFSET,1027					    IVTV_DECODER_SIZE);1028		if (!itv->dec_mem) {1029			IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");1030			IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");1031			IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");1032			IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");1033			retval = -ENOMEM;1034			goto free_worker;1035		}1036	}1037	else {1038		itv->dec_mem = itv->enc_mem;1039	}1040 1041	/* map registers memory */1042	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",1043		   (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);1044	itv->reg_mem = devm_ioremap(&pdev->dev,1045				    itv->base_addr + IVTV_REG_OFFSET,1046				    IVTV_REG_SIZE);1047	if (!itv->reg_mem) {1048		IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");1049		IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");1050		IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");1051		IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");1052		retval = -ENOMEM;1053		goto free_worker;1054	}1055 1056	retval = ivtv_gpio_init(itv);1057	if (retval)1058		goto free_worker;1059 1060	/* active i2c  */1061	IVTV_DEBUG_INFO("activating i2c...\n");1062	if (init_ivtv_i2c(itv)) {1063		IVTV_ERR("Could not initialize i2c\n");1064		goto free_worker;1065	}1066 1067	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {1068		/* Based on the model number the cardtype may be changed.1069		   The PCI IDs are not always reliable. */1070		ivtv_process_eeprom(itv);1071	}1072	if (itv->card->comment)1073		IVTV_INFO("%s", itv->card->comment);1074	if (itv->card->v4l2_capabilities == 0) {1075		/* card was detected but is not supported */1076		retval = -ENODEV;1077		goto free_i2c;1078	}1079 1080	if (itv->std == 0) {1081		itv->std = V4L2_STD_NTSC_M;1082	}1083 1084	if (itv->options.tuner == -1) {1085		int i;1086 1087		for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {1088			if ((itv->std & itv->card->tuners[i].std) == 0)1089				continue;1090			itv->options.tuner = itv->card->tuners[i].tuner;1091			break;1092		}1093	}1094	/* if no tuner was found, then pick the first tuner in the card list */1095	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {1096		itv->std = itv->card->tuners[0].std;1097		if (itv->std & V4L2_STD_PAL)1098			itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;1099		else if (itv->std & V4L2_STD_NTSC)1100			itv->std = V4L2_STD_NTSC_M;1101		else if (itv->std & V4L2_STD_SECAM)1102			itv->std = V4L2_STD_SECAM_L;1103		itv->options.tuner = itv->card->tuners[0].tuner;1104	}1105	if (itv->options.radio == -1)1106		itv->options.radio = (itv->card->radio_input.audio_type != 0);1107 1108	/* The card is now fully identified, continue with card-specific1109	   initialization. */1110	ivtv_init_struct2(itv);1111 1112	ivtv_load_and_init_modules(itv);1113 1114	if (itv->std & V4L2_STD_525_60) {1115		itv->is_60hz = 1;1116		itv->is_out_60hz = 1;1117	} else {1118		itv->is_50hz = 1;1119		itv->is_out_50hz = 1;1120	}1121 1122	itv->yuv_info.osd_full_w = 720;1123	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;1124	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;1125	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;1126 1127	cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);1128 1129	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;1130	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;1131	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;1132	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;1133	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;1134 1135	/* Setup VBI Raw Size. Should be big enough to hold PAL.1136	   It is possible to switch between PAL and NTSC, so we need to1137	   take the largest size here. */1138	/* 1456 is multiple of 16, real size = 1444 */1139	itv->vbi.raw_size = 1456;1140	/* We use a buffer size of 1/2 of the total size needed for a1141	   frame. This is actually very useful, since we now receive1142	   a field at a time and that makes 'compressing' the raw data1143	   down to size by stripping off the SAV codes a lot easier.1144	   Note: having two different buffer sizes prevents standard1145	   switching on the fly. We need to find a better solution... */1146	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;1147	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;1148	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;1149 1150	if (itv->options.radio > 0)1151		itv->v4l2_cap |= V4L2_CAP_RADIO;1152 1153	if (itv->options.tuner > -1) {1154		struct tuner_setup setup;1155 1156		setup.addr = ADDR_UNSET;1157		setup.type = itv->options.tuner;1158		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */1159		if (itv->options.radio > 0)1160			setup.mode_mask |= T_RADIO;1161		setup.tuner_callback = (setup.type == TUNER_XC2028) ?1162			ivtv_reset_tuner_gpio : NULL;1163		ivtv_call_all(itv, tuner, s_type_addr, &setup);1164		if (setup.type == TUNER_XC2028) {1165			static struct xc2028_ctrl ctrl = {1166				.fname = XC2028_DEFAULT_FIRMWARE,1167				.max_len = 64,1168			};1169			struct v4l2_priv_tun_config cfg = {1170				.tuner = itv->options.tuner,1171				.priv = &ctrl,1172			};1173			ivtv_call_all(itv, tuner, s_config, &cfg);1174		}1175	}1176 1177	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)1178	   are not. */1179	itv->tuner_std = itv->std;1180 1181	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {1182		struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;1183 1184		itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,1185				V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);1186		itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,1187				V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);1188		/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,1189		   mask that menu item. */1190		itv->ctrl_audio_playback =1191			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,1192				V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,1193				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,1194				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,1195				V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);1196		itv->ctrl_audio_multilingual_playback =1197			v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,1198				V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,1199				V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,1200				1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,1201				V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);1202		if (hdl->error) {1203			retval = hdl->error;1204			goto free_i2c;1205		}1206		v4l2_ctrl_cluster(2, &itv->ctrl_pts);1207		v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);1208		ivtv_call_all(itv, video, s_std_output, itv->std);1209		/* Turn off the output signal. The mpeg decoder is not yet1210		   active so without this you would get a green image until the1211		   mpeg decoder becomes active. */1212		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);1213	}1214 1215	/* clear interrupt mask, effectively disabling interrupts */1216	ivtv_set_irq_mask(itv, 0xffffffff);1217 1218	/* Register IRQ */1219	retval = request_irq(itv->pdev->irq, ivtv_irq_handler,1220	     IRQF_SHARED, itv->v4l2_dev.name, (void *)itv);1221	if (retval) {1222		IVTV_ERR("Failed to register irq %d\n", retval);1223		goto free_i2c;1224	}1225 1226	retval = ivtv_streams_setup(itv);1227	if (retval) {1228		IVTV_ERR("Error %d setting up streams\n", retval);1229		goto free_irq;1230	}1231	retval = ivtv_streams_register(itv);1232	if (retval) {1233		IVTV_ERR("Error %d registering devices\n", retval);1234		goto free_streams;1235	}1236	IVTV_INFO("Initialized card: %s\n", itv->card_name);1237 1238	/* Load ivtv submodules (ivtv-alsa) */1239	request_modules(itv);1240	return 0;1241 1242free_streams:1243	ivtv_streams_cleanup(itv);1244free_irq:1245	free_irq(itv->pdev->irq, (void *)itv);1246free_i2c:1247	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);1248	exit_ivtv_i2c(itv);1249free_worker:1250	kthread_stop(itv->irq_worker_task);1251err:1252	if (retval == 0)1253		retval = -ENODEV;1254	IVTV_ERR("Error %d on initialization\n", retval);1255 1256	v4l2_device_unregister(&itv->v4l2_dev);1257	kfree(itv);1258	return retval;1259}1260 1261int ivtv_init_on_first_open(struct ivtv *itv)1262{1263	struct v4l2_frequency vf;1264	/* Needed to call ioctls later */1265	struct ivtv_open_id fh;1266	int fw_retry_count = 3;1267	int video_input;1268 1269	fh.itv = itv;1270	fh.type = IVTV_ENC_STREAM_TYPE_MPG;1271 1272	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))1273		return -ENXIO;1274 1275	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))1276		return 0;1277 1278	while (--fw_retry_count > 0) {1279		/* load firmware */1280		if (ivtv_firmware_init(itv) == 0)1281			break;1282		if (fw_retry_count > 1)1283			IVTV_WARN("Retry loading firmware\n");1284	}1285 1286	if (fw_retry_count == 0) {1287		set_bit(IVTV_F_I_FAILED, &itv->i_flags);1288		return -ENXIO;1289	}1290 1291	/* Try and get firmware versions */1292	IVTV_DEBUG_INFO("Getting firmware version..\n");1293	ivtv_firmware_versions(itv);1294 1295	if (itv->card->hw_all & IVTV_HW_CX25840)1296		v4l2_subdev_call(itv->sd_video, core, load_fw);1297 1298	vf.tuner = 0;1299	vf.type = V4L2_TUNER_ANALOG_TV;1300	vf.frequency = 6400; /* the tuner 'baseline' frequency */1301 1302	/* Set initial frequency. For PAL/SECAM broadcasts no1303	   'default' channel exists AFAIK. */1304	if (itv->std == V4L2_STD_NTSC_M_JP) {1305		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */1306	}1307	else if (itv->std & V4L2_STD_NTSC_M) {1308		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */1309	}1310 1311	video_input = itv->active_input;1312	itv->active_input++;	/* Force update of input */1313	ivtv_s_input(NULL, &fh, video_input);1314 1315	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code1316	   in one place. */1317	itv->std++;		/* Force full standard initialization */1318	itv->std_out = itv->std;1319	ivtv_s_frequency(NULL, &fh, &vf);1320 1321	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {1322		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes1323		   the mpeg decoder so now the saa7127 receives a proper1324		   signal. */1325		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);1326		ivtv_init_mpeg_decoder(itv);1327	}1328 1329	/* On a cx23416 this seems to be able to enable DMA to the chip? */1330	if (!itv->has_cx23415)1331		write_reg_sync(0x03, IVTV_REG_DMACONTROL);1332 1333	ivtv_s_std_enc(itv, itv->tuner_std);1334 1335	/* Default interrupts enabled. For the PVR350 this includes the1336	   decoder VSYNC interrupt, which is always on. It is not only used1337	   during decoding but also by the OSD.1338	   Some old PVR250 cards had a cx23415, so testing for that is too1339	   general. Instead test if the card has video output capability. */1340	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {1341		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);1342		ivtv_set_osd_alpha(itv);1343		ivtv_s_std_dec(itv, itv->tuner_std);1344	} else {1345		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);1346	}1347 1348	/* Setup initial controls */1349	cx2341x_handler_setup(&itv->cxhdl);1350	return 0;1351}1352 1353static void ivtv_remove(struct pci_dev *pdev)1354{1355	struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);1356	struct ivtv *itv = to_ivtv(v4l2_dev);1357	int i;1358 1359	IVTV_DEBUG_INFO("Removing card\n");1360 1361	flush_request_modules(itv);1362 1363	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {1364		/* Stop all captures */1365		IVTV_DEBUG_INFO("Stopping all streams\n");1366		if (atomic_read(&itv->capturing) > 0)1367			ivtv_stop_all_captures(itv);1368 1369		/* Stop all decoding */1370		IVTV_DEBUG_INFO("Stopping decoding\n");1371 1372		/* Turn off the TV-out */1373		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)1374			ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);1375		if (atomic_read(&itv->decoding) > 0) {1376			int type;1377 1378			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))1379				type = IVTV_DEC_STREAM_TYPE_YUV;1380			else1381				type = IVTV_DEC_STREAM_TYPE_MPG;1382			ivtv_stop_v4l2_decode_stream(&itv->streams[type],1383				V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);1384		}1385		ivtv_halt_firmware(itv);1386	}1387 1388	/* Interrupts */1389	ivtv_set_irq_mask(itv, 0xffffffff);1390	timer_shutdown_sync(&itv->dma_timer);1391 1392	/* Kill irq worker */1393	kthread_flush_worker(&itv->irq_worker);1394	kthread_stop(itv->irq_worker_task);1395 1396	ivtv_streams_cleanup(itv);1397	ivtv_udma_free(itv);1398 1399	v4l2_ctrl_handler_free(&itv->cxhdl.hdl);1400 1401	exit_ivtv_i2c(itv);1402 1403	free_irq(itv->pdev->irq, (void *)itv);1404 1405	for (i = 0; i < IVTV_VBI_FRAMES; i++)1406		kfree(itv->vbi.sliced_mpeg_data[i]);1407 1408	pr_info("Removed %s\n", itv->card_name);1409 1410	v4l2_device_unregister(&itv->v4l2_dev);1411	kfree(itv);1412}1413 1414/* define a pci_driver for card detection */1415static struct pci_driver ivtv_pci_driver = {1416      .name =     "ivtv",1417      .id_table = ivtv_pci_tbl,1418      .probe =    ivtv_probe,1419      .remove =   ivtv_remove,1420};1421 1422static int __init module_start(void)1423{1424	pr_info("Start initialization, version %s\n", IVTV_VERSION);1425 1426	/* Validate parameters */1427	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {1428		pr_err("Exiting, ivtv_first_minor must be between 0 and %d\n",1429		     IVTV_MAX_CARDS - 1);1430		return -1;1431	}1432 1433	if (ivtv_debug < 0 || ivtv_debug > 2047) {1434		ivtv_debug = 0;1435		pr_info("Debug value must be >= 0 and <= 2047\n");1436	}1437 1438	if (pci_register_driver(&ivtv_pci_driver)) {1439		pr_err("Error detecting PCI card\n");1440		return -ENODEV;1441	}1442	pr_info("End initialization\n");1443	return 0;1444}1445 1446static void __exit module_cleanup(void)1447{1448	pci_unregister_driver(&ivtv_pci_driver);1449}1450 1451/* Note: These symbols are exported because they are used by the ivtvfb1452   framebuffer module and an infrared module for the IR-blaster. */1453EXPORT_SYMBOL(ivtv_set_irq_mask);1454EXPORT_SYMBOL(ivtv_api);1455EXPORT_SYMBOL(ivtv_vapi);1456EXPORT_SYMBOL(ivtv_vapi_result);1457EXPORT_SYMBOL(ivtv_clear_irq_mask);1458EXPORT_SYMBOL(ivtv_debug);1459#ifdef CONFIG_VIDEO_ADV_DEBUG1460EXPORT_SYMBOL(ivtv_fw_debug);1461#endif1462EXPORT_SYMBOL(ivtv_reset_ir_gpio);1463EXPORT_SYMBOL(ivtv_udma_setup);1464EXPORT_SYMBOL(ivtv_udma_unmap);1465EXPORT_SYMBOL(ivtv_udma_alloc);1466EXPORT_SYMBOL(ivtv_udma_prepare);1467EXPORT_SYMBOL(ivtv_init_on_first_open);1468EXPORT_SYMBOL(ivtv_firmware_check);1469 1470module_init(module_start);1471module_exit(module_cleanup);1472