usbvision-video.c revision b530a447bb588fdf43fdf4eb909e4ee1921d47ac
1483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 23ff4ad815c5824ab35375d72ea8fe14fb3230daaHans Verkuil * USB USBVISION Video device driver 0.9.10 3483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 4483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 5483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 6483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> 7483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 8483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This module is part of usbvision driver project. 9483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 10483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This program is free software; you can redistribute it and/or modify 11483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * it under the terms of the GNU General Public License as published by 12483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * the Free Software Foundation; either version 2 of the License, or 13483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * (at your option) any later version. 14483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 15483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This program is distributed in the hope that it will be useful, 16483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * but WITHOUT ANY WARRANTY; without even the implied warranty of 17483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * GNU General Public License for more details. 19483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 20483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * You should have received a copy of the GNU General Public License 21483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * along with this program; if not, write to the Free Software 22483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 24483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Let's call the version 0.... until compression decoding is completely 25483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * implemented. 26483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 27483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach. 28483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * It was based on USB CPiA driver written by Peter Pregler, 29483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Scott J. Bertin and Johannes Erdfelt 30483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler & 31483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink 32483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Updates to driver completed by Dwaine P. Garden 33483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 34483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 35483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * TODO: 36483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - use submit_urb for all setup packets 37483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - Fix memory settings for nt1004. It is 4 times as big as the 38483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * nt1003 memory. 39c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE * - Add audio on endpoint 3 for nt1004 chip. 40c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE * Seems impossible, needs a codec interface. Which one? 41483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - Clean up the driver. 42483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - optimization for performance. 43483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - Add Videotext capability (VBI). Working on it..... 44483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * - Check audio for other devices 45483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 46483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 47483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 48483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/kernel.h> 49483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/list.h> 50483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/timer.h> 51483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/slab.h> 52483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/mm.h> 53483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/highmem.h> 54483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/vmalloc.h> 55483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/module.h> 56483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/init.h> 57483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/spinlock.h> 586d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#include <linux/io.h> 59483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/videodev2.h> 60483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <linux/i2c.h> 61483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 62483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <media/saa7115.h> 63483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <media/v4l2-common.h> 6435ea11ff84719b1bfab2909903a9640a86552fd1Hans Verkuil#include <media/v4l2-ioctl.h> 65483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include <media/tuner.h> 66483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 67a1ed551cdb4f29157466340760fde68bcda704a9Mauro Carvalho Chehab#include <linux/workqueue.h> 68483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 69483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#include "usbvision.h" 70659ae56dcd5a50e4560cb526a0e0dc881418dad4Mauro Carvalho Chehab#include "usbvision-cards.h" 71483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 7285ee7a1d39d75d23d21f3871f6dc9b87d572747aJoe Perches#define DRIVER_AUTHOR \ 7385ee7a1d39d75d23d21f3871f6dc9b87d572747aJoe Perches "Joerg Heckenbach <joerg@heckenbach-aw.de>, " \ 7485ee7a1d39d75d23d21f3871f6dc9b87d572747aJoe Perches "Dwaine Garden <DwaineGarden@rogers.com>" 75483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define DRIVER_NAME "usbvision" 76483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define DRIVER_ALIAS "USBVision" 77483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define DRIVER_DESC "USBVision USB Video Device Driver for Linux" 78483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define DRIVER_LICENSE "GPL" 791990d50b58bef127a647005fdcada6d07081d3efMauro Carvalho Chehab#define USBVISION_VERSION_STRING "0.9.11" 80483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 81483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define ENABLE_HEXDUMP 0 /* Enable if you need it */ 82483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 83483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 84483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#ifdef USBVISION_DEBUG 85df18c3196a1ec1db7a20997d3246a5a8cf535a77Thierry MERLE #define PDEBUG(level, fmt, args...) { \ 86c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (video_debug & (level)) \ 87a482f327ff56bc3cf53176a7eb736cea47291a1dGreg Kroah-Hartman printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \ 88a482f327ff56bc3cf53176a7eb736cea47291a1dGreg Kroah-Hartman __func__, __LINE__ , ## args); \ 89df18c3196a1ec1db7a20997d3246a5a8cf535a77Thierry MERLE } 90483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#else 916d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil #define PDEBUG(level, fmt, args...) do {} while (0) 92483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#endif 93483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 946d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#define DBG_IO (1 << 1) 956d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#define DBG_PROBE (1 << 2) 966d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#define DBG_MMAP (1 << 3) 97483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 9852cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* String operations */ 996d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#define rmspace(str) while (*str == ' ') str++; 1006d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil#define goto2next(str) while (*str != ' ') str++; while (*str == ' ') str++; 101483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 102483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 103c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* sequential number of usbvision device */ 104ff699e6bd02eb1c6d02c7c2b576c2ee6caab201cDouglas Schilling Landgrafstatic int usbvision_nr; 105483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 106483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic struct usbvision_v4l2_format_st usbvision_v4l2_format[] = { 107483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 1, 8, V4L2_PIX_FMT_GREY , "GREY" }, 108483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 2, 16, V4L2_PIX_FMT_RGB565 , "RGB565" }, 109483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 3, 24, V4L2_PIX_FMT_RGB24 , "RGB24" }, 110483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 4, 32, V4L2_PIX_FMT_RGB32 , "RGB32" }, 111483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 2, 16, V4L2_PIX_FMT_RGB555 , "RGB555" }, 112483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 2, 16, V4L2_PIX_FMT_YUYV , "YUV422" }, 11352cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil { 1, 2, 12, V4L2_PIX_FMT_YVU420 , "YUV420P" }, /* 1.5 ! */ 114483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE { 1, 2, 16, V4L2_PIX_FMT_YUV422P , "YUV422P" } 115483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 116483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 117c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Function prototypes */ 118483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_release(struct usb_usbvision *usbvision); 119483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 120c84e6036ba7177a404cc860cb5a440e06fad92ddJoe Perches/* Default initialization of device driver parameters */ 121c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Set the default format for ISOC endpoint */ 1225490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuilstatic int isoc_mode = ISOC_MODE_COMPRESS; 123c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Set the default Debug Mode of the device driver */ 124ff699e6bd02eb1c6d02c7c2b576c2ee6caab201cDouglas Schilling Landgrafstatic int video_debug; 125c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Set the default device to power on at startup */ 1265490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuilstatic int power_on_at_open = 1; 127c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Sequential Number of Video Device */ 128c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLEstatic int video_nr = -1; 129c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Sequential Number of Radio Device */ 130c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLEstatic int radio_nr = -1; 131c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 132c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Grab parameters for the device driver */ 133c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 134c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Showing parameters under SYSFS */ 1355490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuilmodule_param(isoc_mode, int, 0444); 136483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEmodule_param(video_debug, int, 0444); 1375490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuilmodule_param(power_on_at_open, int, 0444); 138483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEmodule_param(video_nr, int, 0444); 139483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEmodule_param(radio_nr, int, 0444); 140483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1415490a7cbe65d63c6ec45f1013287af1e390c95d7Hans VerkuilMODULE_PARM_DESC(isoc_mode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); 142483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); 1435490a7cbe65d63c6ec45f1013287af1e390c95d7Hans VerkuilMODULE_PARM_DESC(power_on_at_open, " Set the default device to power on when device is opened. Default: 1 (On)"); 144483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)"); 145483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)"); 146483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 147483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14852cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* Misc stuff */ 149483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_AUTHOR(DRIVER_AUTHOR); 150483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_DESCRIPTION(DRIVER_DESC); 151483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEMODULE_LICENSE(DRIVER_LICENSE); 152a1ed551cdb4f29157466340760fde68bcda704a9Mauro Carvalho ChehabMODULE_VERSION(USBVISION_VERSION_STRING); 153a1ed551cdb4f29157466340760fde68bcda704a9Mauro Carvalho ChehabMODULE_ALIAS(DRIVER_ALIAS); 154483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 155483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 156c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/*****************************************************************************/ 157c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* SYSFS Code - Copied from the stv680.c usb module. */ 158c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Device information is located at /sys/class/video4linux/video0 */ 159c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Device parameters information is located at /sys/module/usbvision */ 160c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* Device USB Information is located at */ 161c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/* /sys/bus/usb/drivers/USBVision Video Grabber */ 162c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/*****************************************************************************/ 163483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 164483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#define YES_NO(x) ((x) ? "Yes" : "No") 165483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 16654bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic inline struct usb_usbvision *cd_to_usbvision(struct device *cd) 167483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 168c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 16922a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 170483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return video_get_drvdata(vdev); 171483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 172483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 17354bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_version(struct device *cd, 17454bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 175483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 176483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return sprintf(buf, "%s\n", USBVISION_VERSION_STRING); 177483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 17854bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(version, S_IRUGO, show_version, NULL); 179483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 18054bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_model(struct device *cd, 18154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 182483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 183c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 18422a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 185483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 186c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return sprintf(buf, "%s\n", 1875490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_device_data[usbvision->dev_model].model_string); 188483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 18954bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(model, S_IRUGO, show_model, NULL); 190483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 19154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_hue(struct device *cd, 19254bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 193483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 194c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 19522a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 196483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 197483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct v4l2_control ctrl; 198483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.id = V4L2_CID_HUE; 199483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.value = 0; 2006d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->user) 2011df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, core, g_ctrl, &ctrl); 2022a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE return sprintf(buf, "%d\n", ctrl.value); 203483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 20454bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); 205483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 20654bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_contrast(struct device *cd, 20754bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 208483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 209c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 21022a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 211483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 212483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct v4l2_control ctrl; 213483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.id = V4L2_CID_CONTRAST; 214483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.value = 0; 2156d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->user) 2161df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, core, g_ctrl, &ctrl); 2172a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE return sprintf(buf, "%d\n", ctrl.value); 218483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 21954bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); 220483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 22154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_brightness(struct device *cd, 22254bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 223483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 224c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 22522a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 226483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 227483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct v4l2_control ctrl; 228483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.id = V4L2_CID_BRIGHTNESS; 229483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.value = 0; 2306d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->user) 2311df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, core, g_ctrl, &ctrl); 2322a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE return sprintf(buf, "%d\n", ctrl.value); 233483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 23454bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); 235483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 23654bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_saturation(struct device *cd, 23754bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 238483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 239c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 24022a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 241483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 242483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct v4l2_control ctrl; 243483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.id = V4L2_CID_SATURATION; 244483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ctrl.value = 0; 2456d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->user) 2461df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, core, g_ctrl, &ctrl); 2472a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE return sprintf(buf, "%d\n", ctrl.value); 248483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 24954bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); 250483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 25154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_streaming(struct device *cd, 25254bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 253483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 254c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 25522a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 256483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 257c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return sprintf(buf, "%s\n", 2586d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil YES_NO(usbvision->streaming == stream_on ? 1 : 0)); 259483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 26054bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL); 261483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 26254bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_compression(struct device *cd, 26354bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 264483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 265c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 26622a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 267483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 268c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return sprintf(buf, "%s\n", 2696d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil YES_NO(usbvision->isoc_mode == ISOC_MODE_COMPRESS)); 270483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 27154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL); 272483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 27354bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic ssize_t show_device_bridge(struct device *cd, 27454bd5b66c87d14e250f108aad1228b905d6882f6Kay Sievers struct device_attribute *attr, char *buf) 275483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 276c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct video_device *vdev = 27722a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil container_of(cd, struct video_device, dev); 278483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = video_get_drvdata(vdev); 2795490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return sprintf(buf, "%d\n", usbvision->bridge_type); 280483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 28154bd5b66c87d14e250f108aad1228b905d6882f6Kay Sieversstatic DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL); 282483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 283483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_create_sysfs(struct video_device *vdev) 284483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 285483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE int res; 2866d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil 287ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden if (!vdev) 288ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden return; 289ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden do { 29022a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_version); 2916d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 292ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 29322a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_model); 2946d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 295ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 29622a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_hue); 2976d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 298ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 29922a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_contrast); 3006d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 301ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 30222a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_brightness); 3036d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 304ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 30522a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_saturation); 3066d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 307ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 30822a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_streaming); 3096d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 310ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 31122a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_compression); 3126d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res < 0) 313ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden break; 31422a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil res = device_create_file(&vdev->dev, &dev_attr_bridge); 3156d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (res >= 0) 316ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden return; 317ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden } while (0); 318ed00b41dc8bc286682d31ad64060ccc70513e90bDwaine Garden 319be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&vdev->dev, "%s error: %d\n", __func__, res); 320483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 321483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 322483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_remove_sysfs(struct video_device *vdev) 323483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 324483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (vdev) { 32522a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_version); 32622a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_model); 32722a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_hue); 32822a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_contrast); 32922a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_brightness); 33022a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_saturation); 33122a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_streaming); 33222a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_compression); 33322a04f106346c3af019135f2de3cabf9ac41c3baHans Verkuil device_remove_file(&vdev->dev, &dev_attr_bridge); 334483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 335483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 336483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 337483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 338483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_open() 339483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 340483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This is part of Video 4 Linux API. The driver can be opened by one 341483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * client only (checks internal counter 'usbvision->user'). The procedure 342483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * then allocates buffers needed for video processing. 343483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 344483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 345bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic int usbvision_v4l2_open(struct file *file) 346483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 347c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 3485490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code = 0; 349483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 350483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "open"); 351483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 3524d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil if (mutex_lock_interruptible(&usbvision->v4l2_lock)) 3534d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return -ERESTARTSYS; 3545490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_reset_power_off_timer(usbvision); 355483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 356483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->user) 3575490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = -EBUSY; 358483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE else { 3596f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE /* Allocate memory for the scratch ring buffer */ 3605490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usbvision_scratch_alloc(usbvision); 3616d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (isoc_mode == ISOC_MODE_COMPRESS) { 362c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Allocate intermediate decompression buffers 363c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE only if needed */ 3645490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usbvision_decompress_alloc(usbvision); 365483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 3665490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code) { 367483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* Deallocate all buffers if trouble */ 368483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_scratch_free(usbvision); 369483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_decompress_free(usbvision); 370483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 371483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 372483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 373483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* If so far no errors then we shall start the camera */ 3745490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (!err_code) { 375483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->power == 0) { 376483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_power_on(usbvision); 3771ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_register(usbvision); 378483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 379483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 380483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* Send init sequence only once, it's large! */ 381483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (!usbvision->initialized) { 382483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE int setup_ok = 0; 3836d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil setup_ok = usbvision_setup(usbvision, isoc_mode); 384483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (setup_ok) 385483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 1; 386483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE else 3875490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = -EBUSY; 388483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 389483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 3905490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (!err_code) { 391483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_begin_streaming(usbvision); 3925490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usbvision_init_isoc(usbvision); 393c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* device must be initialized before isoc transfer */ 3946d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision_muxsel(usbvision, 0); 395483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->user++; 396c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } else { 3975490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (power_on_at_open) { 3981ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_unregister(usbvision); 399483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_power_off(usbvision); 400483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 0; 401483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 402483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 403483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 404483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 405483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* prepare queues */ 406483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_empty_framequeues(usbvision); 4074d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 408483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 409483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "success"); 4105490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 411483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 412483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 413483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 414483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_v4l2_close() 415483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 416483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This is part of Video 4 Linux API. The procedure 417483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * stops streaming and deallocates all buffers that were earlier 418483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * allocated in usbvision_v4l2_open(). 419483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 420483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 421bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic int usbvision_v4l2_close(struct file *file) 422483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 423c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 424483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 425483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "close"); 426483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 4274d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_lock(&usbvision->v4l2_lock); 428483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_audio_off(usbvision); 429483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_restart_isoc(usbvision); 430483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_stop_isoc(usbvision); 431483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 432483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_decompress_free(usbvision); 43338284ba361d69eca34a3bfc553ebfac81fea2698Thierry MERLE usbvision_frames_free(usbvision); 4346f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE usbvision_empty_framequeues(usbvision); 435483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_scratch_free(usbvision); 436483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 437483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->user--; 438483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 4395490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (power_on_at_open) { 440c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* power off in a little while 441c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE to avoid off/on every close/open short sequences */ 4425490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_set_power_off_timer(usbvision); 443483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 0; 444483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 445483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 446483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->remove_pending) { 447d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison printk(KERN_INFO "%s: Final disconnect\n", __func__); 448483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_release(usbvision); 449483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 4504d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 451483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 452483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "success"); 453483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 454483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 455483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 456483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 457483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 458483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_ioctl() 459483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 460483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This is part of Video 4 Linux API. The procedure handles ioctl() calls. 461483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 462483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 463c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE#ifdef CONFIG_VIDEO_ADV_DEBUG 4646d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_register(struct file *file, void *priv, 465aecde8b53b8ee1330a5a8206200f0d6b8845a6e0Hans Verkuil struct v4l2_dbg_register *reg) 466483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 467c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 4685490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code; 469483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 470aecde8b53b8ee1330a5a8206200f0d6b8845a6e0Hans Verkuil if (!v4l2_chip_match_host(®->match)) 471c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 472c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* NT100x has a 8-bit register space */ 4735490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usbvision_read_reg(usbvision, reg->reg&0xff); 4745490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code < 0) { 475be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&usbvision->vdev->dev, 476be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab "%s: VIDIOC_DBG_G_REGISTER failed: error %d\n", 4775490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil __func__, err_code); 4785490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 479c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 4805490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil reg->val = err_code; 481aecde8b53b8ee1330a5a8206200f0d6b8845a6e0Hans Verkuil reg->size = 1; 482c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 483c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 484483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 4856d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_register(struct file *file, void *priv, 486aecde8b53b8ee1330a5a8206200f0d6b8845a6e0Hans Verkuil struct v4l2_dbg_register *reg) 487c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 488c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 4895490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code; 49062d50addf0774115adaa9e01e09099c3d7daa13dTrent Piepho 491aecde8b53b8ee1330a5a8206200f0d6b8845a6e0Hans Verkuil if (!v4l2_chip_match_host(®->match)) 492c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 493c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* NT100x has a 8-bit register space */ 4946d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil err_code = usbvision_write_reg(usbvision, reg->reg & 0xff, reg->val); 4955490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code < 0) { 496be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&usbvision->vdev->dev, 497be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab "%s: VIDIOC_DBG_S_REGISTER failed: error %d\n", 4985490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil __func__, err_code); 4995490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 500c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 501c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 502c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 503483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE#endif 504c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 5056d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_querycap(struct file *file, void *priv, 506c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_capability *vc) 507c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 508c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 509c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 510c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strlcpy(vc->driver, "USBVision", sizeof(vc->driver)); 511c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strlcpy(vc->card, 5125490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_device_data[usbvision->dev_model].model_string, 513c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE sizeof(vc->card)); 5146f2a278171bf7fc8153a42baa26b51d1ecb4c83fThierry MERLE usb_make_path(usbvision->dev, vc->bus_info, sizeof(vc->bus_info)); 515c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vc->capabilities = V4L2_CAP_VIDEO_CAPTURE | 516c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE V4L2_CAP_AUDIO | 517c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE V4L2_CAP_READWRITE | 518c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE V4L2_CAP_STREAMING | 519c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); 520c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 521c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 522c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 5236d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_enum_input(struct file *file, void *priv, 524c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_input *vi) 525c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 526c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 527c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE int chan; 528c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 529223ffe5f8270ba9d069f1cbff9acec095a6f58b1Roel Kluin if (vi->index >= usbvision->video_inputs) 530c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 5316d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->have_tuner) 532c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE chan = vi->index; 5336d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 53452cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil chan = vi->index + 1; /* skip Television string*/ 5356d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil 536c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Determine the requested input characteristics 537c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE specific for each usbvision card model */ 5386d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil switch (chan) { 539c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE case 0: 5405490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (usbvision_device_data[usbvision->dev_model].video_channels == 4) { 541c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "White Video Input"); 542c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } else { 543c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "Television"); 544c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->type = V4L2_INPUT_TYPE_TUNER; 545c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->audioset = 1; 546c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->tuner = chan; 547c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->std = USBVISION_NORMS; 548483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 549c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE break; 550c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE case 1: 551c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->type = V4L2_INPUT_TYPE_CAMERA; 5526d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision_device_data[usbvision->dev_model].video_channels == 4) 553c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "Green Video Input"); 5546d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 555c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "Composite Video Input"); 556c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->std = V4L2_STD_PAL; 557c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE break; 558c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE case 2: 559c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->type = V4L2_INPUT_TYPE_CAMERA; 5606d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision_device_data[usbvision->dev_model].video_channels == 4) 561c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "Yellow Video Input"); 5626d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 563c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "S-Video Input"); 564c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->std = V4L2_STD_PAL; 565c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE break; 566c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE case 3: 567c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->type = V4L2_INPUT_TYPE_CAMERA; 568c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vi->name, "Red Video Input"); 569c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vi->std = V4L2_STD_PAL; 570c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE break; 571c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 572c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 573c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 574483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 5756d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_input(struct file *file, void *priv, unsigned int *input) 576c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 577c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 578483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 579c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE *input = usbvision->ctl_input; 580c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 581c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 582483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 5836d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_input(struct file *file, void *priv, unsigned int input) 584c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 585c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 586483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 587f14a2972e40dbfbe7077ec7ab21cc2729f7e7d6dRoel Kluin if (input >= usbvision->video_inputs) 588c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 589483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 59066a17879e9f18a38c4ca5e6ba600a3f5b1b51188Thierry MERLE usbvision_muxsel(usbvision, input); 591c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_set_input(usbvision); 592c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_set_output(usbvision, 593c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->curwidth, 594c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->curheight); 595c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 596c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 597483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 5986d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id) 599c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 600c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 601c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil 6026d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->tvnorm_id = *id; 603483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6045490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil call_all(usbvision, core, s_std, usbvision->tvnorm_id); 60566a17879e9f18a38c4ca5e6ba600a3f5b1b51188Thierry MERLE /* propagate the change to the decoder */ 60666a17879e9f18a38c4ca5e6ba600a3f5b1b51188Thierry MERLE usbvision_muxsel(usbvision, usbvision->ctl_input); 607483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 608c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 609c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 610483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6116d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_tuner(struct file *file, void *priv, 612c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_tuner *vt) 613c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 614c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 615483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 61652cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil if (!usbvision->have_tuner || vt->index) /* Only tuner 0 */ 617c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 6186d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->radio) { 619c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vt->name, "Radio"); 620c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vt->type = V4L2_TUNER_RADIO; 621c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } else { 622c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(vt->name, "Television"); 623c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 624c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Let clients fill in the remainder of this struct */ 6251df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, tuner, g_tuner, vt); 626483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 627c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 628c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 629483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6306d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_tuner(struct file *file, void *priv, 631c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_tuner *vt) 632c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 633c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 634483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 63552cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Only no or one tuner for now */ 636c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (!usbvision->have_tuner || vt->index) 637c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 638c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* let clients handle this */ 6391df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, tuner, s_tuner, vt); 640483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 641c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 642c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 643483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6446d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_frequency(struct file *file, void *priv, 645c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_frequency *freq) 646c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 647c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 648483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 64952cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil freq->tuner = 0; /* Only one tuner */ 6506d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->radio) 651c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE freq->type = V4L2_TUNER_RADIO; 6526d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 653c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE freq->type = V4L2_TUNER_ANALOG_TV; 654c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE freq->frequency = usbvision->freq; 655483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 656c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 657c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 658483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6596d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_frequency(struct file *file, void *priv, 660b530a447bb588fdf43fdf4eb909e4ee1921d47acHans Verkuil const struct v4l2_frequency *freq) 661c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 662c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 663483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 66452cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Only no or one tuner for now */ 665c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (!usbvision->have_tuner || freq->tuner) 666c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 667483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 668c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->freq = freq->frequency; 6691df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, tuner, s_frequency, freq); 670483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 671c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 672c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 673483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6746d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 675c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 676c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 677483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6786d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->radio) 6796d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil strcpy(a->name, "Radio"); 6806d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 681c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE strcpy(a->name, "TV"); 682483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 683c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 684c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 685483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6866d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_audio(struct file *file, void *fh, 6870e8025b9f6011a6bd69d01080d584bc95a89d02eHans Verkuil const struct v4l2_audio *a) 688c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 6896d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (a->index) 690c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 691c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 692c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 693483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6946d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_queryctrl(struct file *file, void *priv, 695c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_queryctrl *ctrl) 696c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 697c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 698483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 6991df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, core, queryctrl, ctrl); 700483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 701c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (!ctrl->type) 702c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 703483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 704c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 705c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 706483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 7076d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_ctrl(struct file *file, void *priv, 708c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_control *ctrl) 709c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 710c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 711483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 7126d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil call_all(usbvision, core, g_ctrl, ctrl); 713c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 714c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 715c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7166d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_s_ctrl(struct file *file, void *priv, 717c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_control *ctrl) 718c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 719c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 720c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7216d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil call_all(usbvision, core, s_ctrl, ctrl); 722c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 723c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 724c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7256d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_reqbufs(struct file *file, 726c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE void *priv, struct v4l2_requestbuffers *vr) 727c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 728c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 729c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE int ret; 730c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7316d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil RESTRICT_TO_RANGE(vr->count, 1, USBVISION_NUMFRAMES); 732c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 733c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Check input validity: 734c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE the user must do a VIDEO CAPTURE and MMAP method. */ 735975f5766be048fb65eae6dbf423db129cd641124Trent Piepho if (vr->memory != V4L2_MEMORY_MMAP) 736c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 737c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7386d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->streaming == stream_on) { 7396d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil ret = usbvision_stream_interrupt(usbvision); 7406d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (ret) 741c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return ret; 742483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 743c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 744c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_frames_free(usbvision); 745c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_empty_framequeues(usbvision); 7466d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil vr->count = usbvision_frames_alloc(usbvision, vr->count); 747c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7485490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->cur_frame = NULL; 749c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 750483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 751483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 752483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 7536d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_querybuf(struct file *file, 754c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE void *priv, struct v4l2_buffer *vb) 755483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 756c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 757c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct usbvision_frame *frame; 758c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 759c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* FIXME : must control 760c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE that buffers are mapped (VIDIOC_REQBUFS has been called) */ 7616d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (vb->index >= usbvision->num_frames) 762c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 763c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Updating the corresponding frame state */ 7641b18e7a0be859911b22138ce27258687efc528b8Sakari Ailus vb->flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 765c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame = &usbvision->frame[vb->index]; 7666d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (frame->grabstate >= frame_state_ready) 767c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->flags |= V4L2_BUF_FLAG_QUEUED; 7686d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (frame->grabstate >= frame_state_done) 769c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->flags |= V4L2_BUF_FLAG_DONE; 7706d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (frame->grabstate == frame_state_unused) 771c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->flags |= V4L2_BUF_FLAG_MAPPED; 772c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->memory = V4L2_MEMORY_MMAP; 773c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7746d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil vb->m.offset = vb->index * PAGE_ALIGN(usbvision->max_frame_size); 775c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 776c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->memory = V4L2_MEMORY_MMAP; 777c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->field = V4L2_FIELD_NONE; 7786d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil vb->length = usbvision->curwidth * 7796d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->curheight * 780c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->palette.bytes_per_pixel; 781c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->timestamp = usbvision->frame[vb->index].timestamp; 782c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->sequence = usbvision->frame[vb->index].sequence; 783c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 784483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 785483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 7866d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *vb) 787c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 788c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 789c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct usbvision_frame *frame; 790c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE unsigned long lock_flags; 791c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 792c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* FIXME : works only on VIDEO_CAPTURE MODE, MMAP. */ 7936d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (vb->index >= usbvision->num_frames) 794c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 795c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 796c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame = &usbvision->frame[vb->index]; 797c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 7986d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (frame->grabstate != frame_state_unused) 799c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EAGAIN; 800c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 801c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Mark it as ready and enqueue frame */ 8025490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil frame->grabstate = frame_state_ready; 8035490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil frame->scanstate = scan_state_scanning; 804c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */ 805c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 806c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->flags &= ~V4L2_BUF_FLAG_DONE; 807c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 808c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* set v4l2_format index */ 809c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame->v4l2_format = usbvision->palette; 810c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 811c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 812c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE list_add_tail(&usbvision->frame[vb->index].frame, &usbvision->inqueue); 813c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 814c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 815c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 816c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 817c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8186d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *vb) 819c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 820c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 821c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE int ret; 822c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct usbvision_frame *f; 823c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE unsigned long lock_flags; 824c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 825c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (list_empty(&(usbvision->outqueue))) { 8265490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (usbvision->streaming == stream_idle) 827c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 828c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE ret = wait_event_interruptible 829c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE (usbvision->wait_frame, 830c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE !list_empty(&(usbvision->outqueue))); 831c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (ret) 832c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return ret; 833c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 834c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 835c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 836c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE f = list_entry(usbvision->outqueue.next, 837c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct usbvision_frame, frame); 838c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE list_del(usbvision->outqueue.next); 839c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 840c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8415490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil f->grabstate = frame_state_unused; 842c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 843c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->memory = V4L2_MEMORY_MMAP; 844c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->flags = V4L2_BUF_FLAG_MAPPED | 845c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE V4L2_BUF_FLAG_QUEUED | 8461b18e7a0be859911b22138ce27258687efc528b8Sakari Ailus V4L2_BUF_FLAG_DONE | 8471b18e7a0be859911b22138ce27258687efc528b8Sakari Ailus V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 848c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->index = f->index; 849c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->sequence = f->sequence; 850c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->timestamp = f->timestamp; 851c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->field = V4L2_FIELD_NONE; 852c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vb->bytesused = f->scanlength; 853c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 854c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 855c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 856c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 857c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLEstatic int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 858c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 859c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 860c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8615490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->streaming = stream_on; 8621df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, video, s_stream, 1); 863c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 864c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 865c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 866c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 867c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLEstatic int vidioc_streamoff(struct file *file, 868c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE void *priv, enum v4l2_buf_type type) 869c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 870c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 871c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 872c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 873c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 874c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8756d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->streaming == stream_on) { 876c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_stream_interrupt(usbvision); 877c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Stop all video streamings */ 8781df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, video, s_stream, 0); 879c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 880c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_empty_framequeues(usbvision); 881c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 882c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 883c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 884c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8856d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 886c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_fmtdesc *vfd) 887c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 8886d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (vfd->index >= USBVISION_SUPPORTED_PALETTES - 1) 889c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 8906d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil strcpy(vfd->description, usbvision_v4l2_format[vfd->index].desc); 891c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vfd->pixelformat = usbvision_v4l2_format[vfd->index].format; 892c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 893c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 894c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 8956d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 896c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_format *vf) 897c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 898c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 899c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.width = usbvision->curwidth; 900c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.height = usbvision->curheight; 901c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.pixelformat = usbvision->palette.format; 902c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.bytesperline = 9036d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->curwidth * usbvision->palette.bytes_per_pixel; 9046d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline * usbvision->curheight; 905c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 906c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */ 907c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 908c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 909c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 910c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 9116d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuilstatic int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 912c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_format *vf) 913c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 914c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 9155490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int format_idx; 916c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 917c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Find requested format in available ones */ 9186d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil for (format_idx = 0; format_idx < USBVISION_SUPPORTED_PALETTES; format_idx++) { 9196d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (vf->fmt.pix.pixelformat == 9205490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_v4l2_format[format_idx].format) { 9215490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->palette = usbvision_v4l2_format[format_idx]; 922c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE break; 923c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 924c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 925c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* robustness */ 9266d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (format_idx == USBVISION_SUPPORTED_PALETTES) 927c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return -EINVAL; 928c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); 929c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); 930c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 931c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.bytesperline = vf->fmt.pix.width* 932c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->palette.bytes_per_pixel; 933c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height; 934c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 935c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 936c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 937c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 93878b526a43561d7e5e702ba27948e422dfbc4bea1Hans Verkuilstatic int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 939c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE struct v4l2_format *vf) 940c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE{ 941c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 942c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE int ret; 943c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 9446d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil ret = vidioc_try_fmt_vid_cap(file, priv, vf); 9456d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (ret) 946c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return ret; 947c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 948c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* stop io in case it is already in progress */ 9496d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->streaming == stream_on) { 9506d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil ret = usbvision_stream_interrupt(usbvision); 9516d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (ret) 952c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return ret; 953c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } 954c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_frames_free(usbvision); 955c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_empty_framequeues(usbvision); 956c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 9575490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->cur_frame = NULL; 958c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 959c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* by now we are committed to the new data... */ 960c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height); 961c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 962c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE return 0; 963c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE} 964483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 9654d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuilstatic ssize_t usbvision_read(struct file *file, char __user *buf, 966483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE size_t count, loff_t *ppos) 967483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 968c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 969483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE int noblock = file->f_flags & O_NONBLOCK; 970483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE unsigned long lock_flags; 9716d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil int ret, i; 972483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usbvision_frame *frame; 973483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 974d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __func__, 975c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE (unsigned long)count, noblock); 976483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 977483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (!USBVISION_IS_OPERATIONAL(usbvision) || (buf == NULL)) 978483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EFAULT; 979483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 980c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* This entry point is compatible with the mmap routines 981c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE so that a user can do either VIDIOC_QBUF/VIDIOC_DQBUF 982c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE to get frames or call read on the device. */ 9836d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (!usbvision->num_frames) { 984c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* First, allocate some frames to work with 985c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if this has not been done with VIDIOC_REQBUF */ 9866f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE usbvision_frames_free(usbvision); 9876f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE usbvision_empty_framequeues(usbvision); 9886d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision_frames_alloc(usbvision, USBVISION_NUMFRAMES); 9896f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE } 9906f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE 9916d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->streaming != stream_on) { 9926f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE /* no stream is running, make it running ! */ 9935490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->streaming = stream_on; 9941df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, video, s_stream, 1); 9956f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE } 996483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 997c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Then, enqueue as many frames as possible 998c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE (like a user of VIDIOC_QBUF would do) */ 9996d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil for (i = 0; i < usbvision->num_frames; i++) { 1000483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame = &usbvision->frame[i]; 10016d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (frame->grabstate == frame_state_unused) { 1002483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* Mark it as ready and enqueue frame */ 10035490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil frame->grabstate = frame_state_ready; 10045490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil frame->scanstate = scan_state_scanning; 1005c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* Accumulated in usbvision_parse_data() */ 1006c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame->scanlength = 0; 1007483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1008483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* set v4l2_format index */ 1009483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame->v4l2_format = usbvision->palette; 1010483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1011483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 1012483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE list_add_tail(&frame->frame, &usbvision->inqueue); 1013c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE spin_unlock_irqrestore(&usbvision->queue_lock, 1014c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE lock_flags); 1015483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1016483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1017483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1018483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* Then try to steal a frame (like a VIDIOC_DQBUF would do) */ 1019483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (list_empty(&(usbvision->outqueue))) { 10206d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (noblock) 1021483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EAGAIN; 1022483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1023483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE ret = wait_event_interruptible 1024483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE (usbvision->wait_frame, 1025483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE !list_empty(&(usbvision->outqueue))); 1026483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (ret) 1027483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return ret; 1028483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1029483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1030483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE spin_lock_irqsave(&usbvision->queue_lock, lock_flags); 1031483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame = list_entry(usbvision->outqueue.next, 1032483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usbvision_frame, frame); 1033483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE list_del(usbvision->outqueue.next); 1034483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); 1035483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1036483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* An error returns an empty frame */ 10375490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (frame->grabstate == frame_state_error) { 1038483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame->bytes_read = 0; 1039483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 1040483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1041483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1042c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE PDEBUG(DBG_IO, "%s: frmx=%d, bytes_read=%ld, scanlength=%ld", 1043d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__, 1044c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE frame->index, frame->bytes_read, frame->scanlength); 1045483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1046483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* copy bytes to user space; we allow for partials reads */ 1047483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if ((count + frame->bytes_read) > (unsigned long)frame->scanlength) 1048483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE count = frame->scanlength - frame->bytes_read; 1049483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 10506d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (copy_to_user(buf, frame->data + frame->bytes_read, count)) 1051483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EFAULT; 1052483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1053483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame->bytes_read += count; 1054c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE PDEBUG(DBG_IO, "%s: {copy} count used=%ld, new bytes_read=%ld", 1055d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__, 1056c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE (unsigned long)count, frame->bytes_read); 1057483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1058c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* For now, forget the frame if it has not been read in one shot. */ 10596d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil/* if (frame->bytes_read >= frame->scanlength) {*/ /* All data has been read */ 1060483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE frame->bytes_read = 0; 1061483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1062483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* Mark it as available to be used again. */ 10635490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil frame->grabstate = frame_state_unused; 10646d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil/* } */ 1065483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1066483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return count; 1067483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1068483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 10694d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuilstatic ssize_t usbvision_v4l2_read(struct file *file, char __user *buf, 10704d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil size_t count, loff_t *ppos) 10714d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil{ 10724d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 10734d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil int res; 10744d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil 10754d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil if (mutex_lock_interruptible(&usbvision->v4l2_lock)) 10764d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return -ERESTARTSYS; 10774d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil res = usbvision_read(file, buf, count, ppos); 10784d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 10794d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return res; 10804d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil} 10814d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil 10824d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuilstatic int usbvision_mmap(struct file *file, struct vm_area_struct *vma) 1083483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1084483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE unsigned long size = vma->vm_end - vma->vm_start, 1085483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE start = vma->vm_start; 1086483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE void *pos; 1087483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE u32 i; 1088c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 1089483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 10906f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE PDEBUG(DBG_MMAP, "mmap"); 10916f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE 10926d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (!USBVISION_IS_OPERATIONAL(usbvision)) 1093483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EFAULT; 1094483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1095483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (!(vma->vm_flags & VM_WRITE) || 10966f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE size != PAGE_ALIGN(usbvision->max_frame_size)) { 1097483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EINVAL; 1098483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1099483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 11006f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE for (i = 0; i < usbvision->num_frames; i++) { 1101c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE if (((PAGE_ALIGN(usbvision->max_frame_size)*i) >> PAGE_SHIFT) == 1102c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE vma->vm_pgoff) 1103483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE break; 1104483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 11056f78e186fe5d29dbff5e34f950adb573c4808de4Thierry MERLE if (i == usbvision->num_frames) { 1106c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE PDEBUG(DBG_MMAP, 1107c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE "mmap: user supplied mapping address is out of range"); 1108483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EINVAL; 1109483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1110483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1111483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* VM_IO is eventually going to replace PageReserved altogether */ 1112314e51b9851b4f4e8ab302243ff5a6fc6147f379Konstantin Khlebnikov vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; 1113483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1114483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE pos = usbvision->frame[i].data; 1115483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE while (size > 0) { 1116483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { 1117c876a3468d0f136710af81595177889953d1ff71Thierry MERLE PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed"); 1118483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -EAGAIN; 1119483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1120483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE start += PAGE_SIZE; 1121483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE pos += PAGE_SIZE; 1122483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE size -= PAGE_SIZE; 1123483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1124483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1125483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 1126483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1127483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 11284d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuilstatic int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma) 11294d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil{ 11304d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 11314d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil int res; 11324d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil 11334d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil if (mutex_lock_interruptible(&usbvision->v4l2_lock)) 11344d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return -ERESTARTSYS; 11354d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil res = usbvision_mmap(file, vma); 11364d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 11374d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return res; 11384d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil} 1139483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1140483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1141483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Here comes the stuff for radio on usbvision based devices 1142483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1143483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 1144bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic int usbvision_radio_open(struct file *file) 1145483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1146c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 11475490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code = 0; 1148483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1149d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison PDEBUG(DBG_IO, "%s:", __func__); 1150483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 11514d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil if (mutex_lock_interruptible(&usbvision->v4l2_lock)) 11524d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil return -ERESTARTSYS; 1153483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->user) { 1154be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&usbvision->rdev->dev, 1155be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab "%s: Someone tried to open an already opened USBVision Radio!\n", 1156be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab __func__); 11575490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = -EBUSY; 11586d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil } else { 11596d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (power_on_at_open) { 11605490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_reset_power_off_timer(usbvision); 1161483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->power == 0) { 1162483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_power_on(usbvision); 11631ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_register(usbvision); 1164483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1165483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1166483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 11672a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE /* Alternate interface 1 is is the biggest frame size */ 11685490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usbvision_set_alternate(usbvision); 11695490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code < 0) { 11705490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->last_error = err_code; 11715490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = -EBUSY; 1172544e6175330c86ad87abeeb1b048f56bafd96c31Andrew Morton goto out; 11732a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE } 11742a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 117552cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* If so far no errors then we shall start the radio */ 1176483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->radio = 1; 11771df795370c1392a026c63816368108187aec2ec1Hans Verkuil call_all(usbvision, tuner, s_radio); 1178483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); 1179483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->user++; 1180483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1181483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 11825490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code) { 11835490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (power_on_at_open) { 11841ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_unregister(usbvision); 1185483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_power_off(usbvision); 1186483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 0; 1187483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1188483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1189544e6175330c86ad87abeeb1b048f56bafd96c31Andrew Mortonout: 11904d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 11915490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 1192483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1193483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1194483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1195bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic int usbvision_radio_close(struct file *file) 1196483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1197c170ecf434bceb0e188b14a6deb3bfa3ec9ef699Hans Verkuil struct usb_usbvision *usbvision = video_drvdata(file); 11985490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code = 0; 1199483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1200483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, ""); 1201483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 12024d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_lock(&usbvision->v4l2_lock); 12032a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE /* Set packet size to 0 */ 12046d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->iface_alt = 0; 12055490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usb_set_interface(usbvision->dev, usbvision->iface, 12065490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->iface_alt); 12072a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 1208483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_audio_off(usbvision); 12096d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->radio = 0; 1210483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->user--; 1211483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 12125490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (power_on_at_open) { 12135490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_set_power_off_timer(usbvision); 1214483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 0; 1215483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1216483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1217483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->remove_pending) { 1218d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison printk(KERN_INFO "%s: Final disconnect\n", __func__); 1219483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_release(usbvision); 1220483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1221483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 12224d345708ca2688a06ca22e758d3eecc0352f5461Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 1223483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "success"); 12245490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 1225483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1226483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 122752cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* Video registration stuff */ 1228483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 122952cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* Video template */ 1230bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic const struct v4l2_file_operations usbvision_fops = { 1231483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .owner = THIS_MODULE, 1232483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .open = usbvision_v4l2_open, 1233483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .release = usbvision_v4l2_close, 1234483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .read = usbvision_v4l2_read, 1235483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .mmap = usbvision_v4l2_mmap, 1236c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil .unlocked_ioctl = video_ioctl2, 12376d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil/* .poll = video_poll, */ 1238483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 1239a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil 1240a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuilstatic const struct v4l2_ioctl_ops usbvision_ioctl_ops = { 1241c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_querycap = vidioc_querycap, 124278b526a43561d7e5e702ba27948e422dfbc4bea1Hans Verkuil .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 124378b526a43561d7e5e702ba27948e422dfbc4bea1Hans Verkuil .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 124478b526a43561d7e5e702ba27948e422dfbc4bea1Hans Verkuil .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 124578b526a43561d7e5e702ba27948e422dfbc4bea1Hans Verkuil .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1246c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_reqbufs = vidioc_reqbufs, 1247c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_querybuf = vidioc_querybuf, 1248c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_qbuf = vidioc_qbuf, 1249c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_dqbuf = vidioc_dqbuf, 1250c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_std = vidioc_s_std, 1251c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_enum_input = vidioc_enum_input, 1252c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_input = vidioc_g_input, 1253c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_input = vidioc_s_input, 1254c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_queryctrl = vidioc_queryctrl, 1255c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_audio = vidioc_g_audio, 1256ed4d6375a1498009a9e68d93661207351d36874fAl Viro .vidioc_s_audio = vidioc_s_audio, 1257c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_ctrl = vidioc_g_ctrl, 1258c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_ctrl = vidioc_s_ctrl, 1259c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_streamon = vidioc_streamon, 1260c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_streamoff = vidioc_streamoff, 1261c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_tuner = vidioc_g_tuner, 1262c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_tuner = vidioc_s_tuner, 1263c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_frequency = vidioc_g_frequency, 1264c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_frequency = vidioc_s_frequency, 1265c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE#ifdef CONFIG_VIDEO_ADV_DEBUG 1266c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_register = vidioc_g_register, 1267c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_register = vidioc_s_register, 1268c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE#endif 1269a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil}; 1270a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil 1271a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuilstatic struct video_device usbvision_video_template = { 1272a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil .fops = &usbvision_fops, 12736d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil .ioctl_ops = &usbvision_ioctl_ops, 1274a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil .name = "usbvision-video", 1275a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil .release = video_device_release, 12766d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil .tvnorms = USBVISION_NORMS, 12776d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil .current_norm = V4L2_STD_PAL 1278483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 1279483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1280483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 128152cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* Radio template */ 1282bec43661b1dc0075b7445223ba775674133b164dHans Verkuilstatic const struct v4l2_file_operations usbvision_radio_fops = { 1283483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .owner = THIS_MODULE, 1284483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .open = usbvision_radio_open, 1285483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .release = usbvision_radio_close, 1286c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil .unlocked_ioctl = video_ioctl2, 1287483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 1288483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1289a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuilstatic const struct v4l2_ioctl_ops usbvision_radio_ioctl_ops = { 1290c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_querycap = vidioc_querycap, 1291c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_enum_input = vidioc_enum_input, 1292c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_input = vidioc_g_input, 1293c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_input = vidioc_s_input, 1294c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_queryctrl = vidioc_queryctrl, 1295c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_audio = vidioc_g_audio, 1296ed4d6375a1498009a9e68d93661207351d36874fAl Viro .vidioc_s_audio = vidioc_s_audio, 1297c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_ctrl = vidioc_g_ctrl, 1298c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_ctrl = vidioc_s_ctrl, 1299c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_tuner = vidioc_g_tuner, 1300c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_tuner = vidioc_s_tuner, 1301c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_g_frequency = vidioc_g_frequency, 1302c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .vidioc_s_frequency = vidioc_s_frequency, 1303a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil}; 1304a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil 1305a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuilstatic struct video_device usbvision_radio_template = { 1306a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil .fops = &usbvision_radio_fops, 13076d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil .name = "usbvision-radio", 1308a399810ca69d9d4bd30ab8c1678c7439e567f90bHans Verkuil .release = video_device_release, 13096d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil .ioctl_ops = &usbvision_radio_ioctl_ops, 1310c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE 1311c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .tvnorms = USBVISION_NORMS, 1312c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE .current_norm = V4L2_STD_PAL 1313483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 1314483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1315483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1316483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision, 1317483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct video_device *vdev_template, 1318483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE char *name) 1319483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1320483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_device *usb_dev = usbvision->dev; 1321483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct video_device *vdev; 1322483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1323483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usb_dev == NULL) { 1324be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&usbvision->dev->dev, 1325be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab "%s: usbvision->dev is not set\n", __func__); 1326483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return NULL; 1327483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1328483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1329483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE vdev = video_device_alloc(); 13306d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (NULL == vdev) 1331483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return NULL; 1332483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE *vdev = *vdev_template; 1333c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil vdev->lock = &usbvision->v4l2_lock; 13341df795370c1392a026c63816368108187aec2ec1Hans Verkuil vdev->v4l2_dev = &usbvision->v4l2_dev; 1335483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE snprintf(vdev->name, sizeof(vdev->name), "%s", name); 1336483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE video_set_drvdata(vdev, usbvision); 1337483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return vdev; 1338483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1339483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 134052cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* unregister video4linux devices */ 1341483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_unregister_video(struct usb_usbvision *usbvision) 1342483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 134352cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Radio Device: */ 1344483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->rdev) { 134538c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart PDEBUG(DBG_PROBE, "unregister %s [v4l2]", 134638c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart video_device_node_name(usbvision->rdev)); 13476d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (video_is_registered(usbvision->rdev)) 1348483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE video_unregister_device(usbvision->rdev); 13496d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 1350483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE video_device_release(usbvision->rdev); 1351483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->rdev = NULL; 1352483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1353483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 135452cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Video Device: */ 1355483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->vdev) { 135638c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart PDEBUG(DBG_PROBE, "unregister %s [v4l2]", 135738c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart video_device_node_name(usbvision->vdev)); 13586d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (video_is_registered(usbvision->vdev)) 1359483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE video_unregister_device(usbvision->vdev); 13606d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 1361483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE video_device_release(usbvision->vdev); 1362483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->vdev = NULL; 1363483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1364483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1365483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 136652cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil/* register video4linux devices */ 13674c62e9764ab403d42f9b8871b1241fe7812f19d4Greg Kroah-Hartmanstatic int usbvision_register_video(struct usb_usbvision *usbvision) 1368483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 136952cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Video Device: */ 1370c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->vdev = usbvision_vdev_init(usbvision, 1371c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE &usbvision_video_template, 1372c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE "USBVision Video"); 13736d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->vdev == NULL) 1374483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE goto err_exit; 13756d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (video_register_device(usbvision->vdev, VFL_TYPE_GRABBER, video_nr) < 0) 1376483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE goto err_exit; 137738c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart printk(KERN_INFO "USBVision[%d]: registered USBVision Video device %s [v4l2]\n", 137838c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart usbvision->nr, video_device_node_name(usbvision->vdev)); 1379483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 138052cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* Radio Device: */ 13815490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (usbvision_device_data[usbvision->dev_model].radio) { 138252cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* usbvision has radio */ 1383c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision->rdev = usbvision_vdev_init(usbvision, 1384c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE &usbvision_radio_template, 1385c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE "USBVision Radio"); 13866d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->rdev == NULL) 1387483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE goto err_exit; 13886d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (video_register_device(usbvision->rdev, VFL_TYPE_RADIO, radio_nr) < 0) 1389483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE goto err_exit; 139038c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart printk(KERN_INFO "USBVision[%d]: registered USBVision Radio device %s [v4l2]\n", 139138c7c036036c6260606a2a833aaad3794ca22499Laurent Pinchart usbvision->nr, video_device_node_name(usbvision->rdev)); 1392483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 139352cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* all done */ 1394483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 1395483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1396483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE err_exit: 1397be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&usbvision->dev->dev, 1398be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab "USBVision[%d]: video_register_device() failed\n", 1399be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab usbvision->nr); 1400483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_unregister_video(usbvision); 1401483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -1; 1402483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1403483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1404483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1405483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_alloc() 1406483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1407c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE * This code allocates the struct usb_usbvision. 1408c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE * It is filled with default values. 1409483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1410483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Returns NULL on error, a pointer to usb_usbvision else. 1411483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1412483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 1413a878440d994e11bc3e4eb81d378b32fa32e9d80cJanne Grunaustatic struct usb_usbvision *usbvision_alloc(struct usb_device *dev, 1414a878440d994e11bc3e4eb81d378b32fa32e9d80cJanne Grunau struct usb_interface *intf) 1415483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1416483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision; 1417483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14181df795370c1392a026c63816368108187aec2ec1Hans Verkuil usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL); 14191df795370c1392a026c63816368108187aec2ec1Hans Verkuil if (usbvision == NULL) 14201df795370c1392a026c63816368108187aec2ec1Hans Verkuil return NULL; 1421483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1422483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->dev = dev; 1423a878440d994e11bc3e4eb81d378b32fa32e9d80cJanne Grunau if (v4l2_device_register(&intf->dev, &usbvision->v4l2_dev)) 14241df795370c1392a026c63816368108187aec2ec1Hans Verkuil goto err_free; 1425483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1426c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil mutex_init(&usbvision->v4l2_lock); 1427483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 142852cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* prepare control urb for control messages during interrupts */ 14295490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); 14305490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (usbvision->ctrl_urb == NULL) 14311df795370c1392a026c63816368108187aec2ec1Hans Verkuil goto err_unreg; 14325490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil init_waitqueue_head(&usbvision->ctrl_urb_wq); 1433483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14345490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_init_power_off_timer(usbvision); 1435483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1436483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return usbvision; 1437483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14381df795370c1392a026c63816368108187aec2ec1Hans Verkuilerr_unreg: 14391df795370c1392a026c63816368108187aec2ec1Hans Verkuil v4l2_device_unregister(&usbvision->v4l2_dev); 14401df795370c1392a026c63816368108187aec2ec1Hans Verkuilerr_free: 14411df795370c1392a026c63816368108187aec2ec1Hans Verkuil kfree(usbvision); 1442483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return NULL; 1443483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1444483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1445483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1446483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_release() 1447483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1448483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This code does final release of struct usb_usbvision. This happens 1449483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * after the device is disconnected -and- all clients closed their files. 1450483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1451483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 1452483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_release(struct usb_usbvision *usbvision) 1453483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1454483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, ""); 1455483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14565490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_reset_power_off_timer(usbvision); 1457483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1458483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->initialized = 0; 1459483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1460483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_remove_sysfs(usbvision->vdev); 1461483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_unregister_video(usbvision); 1462483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14636d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usb_free_urb(usbvision->ctrl_urb); 1464483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14651df795370c1392a026c63816368108187aec2ec1Hans Verkuil v4l2_device_unregister(&usbvision->v4l2_dev); 1466483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE kfree(usbvision); 1467483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1468483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "success"); 1469483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1470483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1471483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1472c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE/*********************** usb interface **********************************/ 1473483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1474483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void usbvision_configure_video(struct usb_usbvision *usbvision) 1475483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1476c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE int model; 1477483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1478483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision == NULL) 1479483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return; 1480483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14815490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil model = usbvision->dev_model; 148252cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil usbvision->palette = usbvision_v4l2_format[2]; /* V4L2_PIX_FMT_RGB24; */ 1483483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14845490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (usbvision_device_data[usbvision->dev_model].vin_reg2_override) { 14855490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->vin_reg2_preset = 14865490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_device_data[usbvision->dev_model].vin_reg2; 1487483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } else { 14885490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->vin_reg2_preset = 0; 1489483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1490483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14915490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->tvnorm_id = usbvision_device_data[model].video_norm; 1492483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 14935490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->video_inputs = usbvision_device_data[model].video_channels; 1494483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->ctl_input = 0; 1495483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1496483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* This should be here to make i2c clients to be able to register */ 1497c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* first switch off audio */ 1498240d57bb8238d6998644c7f696c27076956ff653Ondrej Zary if (usbvision_device_data[model].audio_channels > 0) 1499240d57bb8238d6998644c7f696c27076956ff653Ondrej Zary usbvision_audio_off(usbvision); 15005490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (!power_on_at_open) { 1501c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE /* and then power up the noisy tuner */ 1502c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE usbvision_power_on(usbvision); 15031ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_register(usbvision); 1504483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1505483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1506483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1507483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1508483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_probe() 1509483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1510483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This procedure queries device descriptor and accepts the interface 1511483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * if it looks like USBVISION video device 1512483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1513483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 15144c62e9764ab403d42f9b8871b1241fe7812f19d4Greg Kroah-Hartmanstatic int usbvision_probe(struct usb_interface *intf, 15154c62e9764ab403d42f9b8871b1241fe7812f19d4Greg Kroah-Hartman const struct usb_device_id *devid) 1516483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 15172a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE struct usb_device *dev = usb_get_dev(interface_to_usbdev(intf)); 15182a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE struct usb_interface *uif; 1519483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE __u8 ifnum = intf->altsetting->desc.bInterfaceNumber; 1520483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE const struct usb_host_interface *interface; 1521483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE struct usb_usbvision *usbvision = NULL; 1522483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE const struct usb_endpoint_descriptor *endpoint; 15236d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil int model, i; 1524483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1525483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u", 1526659ae56dcd5a50e4560cb526a0e0dc881418dad4Mauro Carvalho Chehab dev->descriptor.idVendor, 1527659ae56dcd5a50e4560cb526a0e0dc881418dad4Mauro Carvalho Chehab dev->descriptor.idProduct, ifnum); 15282a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 1529659ae56dcd5a50e4560cb526a0e0dc881418dad4Mauro Carvalho Chehab model = devid->driver_info; 15306d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (model < 0 || model >= usbvision_device_data_size) { 15316d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil PDEBUG(DBG_PROBE, "model out of bounds %d", model); 1532f8a389db502f7b287903b209f925df5570ff5478Mauro Carvalho Chehab return -ENODEV; 1533f8a389db502f7b287903b209f925df5570ff5478Mauro Carvalho Chehab } 1534d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison printk(KERN_INFO "%s: %s found\n", __func__, 15355490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision_device_data[model].model_string); 1536483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 15376d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision_device_data[model].interface >= 0) 15385490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0]; 15396d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 1540483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE interface = &dev->actconfig->interface[ifnum]->altsetting[0]; 1541483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE endpoint = &interface->endpoint[1].desc; 15422230c3c803a5f3a84f7c3bd86b8159a551edc8caJulia Lawall if (!usb_endpoint_xfer_isoc(endpoint)) { 1543be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&intf->dev, "%s: interface %d. has non-ISO endpoint!\n", 1544d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__, ifnum); 1545be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&intf->dev, "%s: Endpoint attributes %d", 1546d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__, endpoint->bmAttributes); 1547483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -ENODEV; 1548483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1549134179823b3ca9c8b98e0631906459dbb022ff9bJulia Lawall if (usb_endpoint_dir_out(endpoint)) { 1550be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&intf->dev, "%s: interface %d. has ISO OUT endpoint!\n", 1551d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__, ifnum); 1552483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -ENODEV; 1553483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1554483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1555a878440d994e11bc3e4eb81d378b32fa32e9d80cJanne Grunau usbvision = usbvision_alloc(dev, intf); 1556a878440d994e11bc3e4eb81d378b32fa32e9d80cJanne Grunau if (usbvision == NULL) { 1557be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&intf->dev, "%s: couldn't allocate USBVision struct\n", __func__); 1558483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return -ENOMEM; 1559483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1560659ae56dcd5a50e4560cb526a0e0dc881418dad4Mauro Carvalho Chehab 15616d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (dev->descriptor.bNumConfigurations > 1) 15625490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->bridge_type = BRIDGE_NT1004; 15636d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else if (model == DAZZLE_DVC_90_REV_1_SECAM) 15645490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->bridge_type = BRIDGE_NT1005; 15656d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil else 15665490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->bridge_type = BRIDGE_NT1003; 15675490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil PDEBUG(DBG_PROBE, "bridge_type %d", usbvision->bridge_type); 1568483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 15692a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE /* compute alternate max packet sizes */ 15702a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE uif = dev->actconfig->interface[0]; 15712a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 15726d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->num_alt = uif->num_altsetting; 15736d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil PDEBUG(DBG_PROBE, "Alternate settings: %i", usbvision->num_alt); 15746d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usbvision->alt_max_pkt_size = kmalloc(32 * usbvision->num_alt, GFP_KERNEL); 15752a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE if (usbvision->alt_max_pkt_size == NULL) { 1576be9ed5117d95cdc4e601f9da220ebeaaab131679Mauro Carvalho Chehab dev_err(&intf->dev, "usbvision: out of memory!\n"); 15772a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE return -ENOMEM; 15782a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE } 15792a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 15806d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil for (i = 0; i < usbvision->num_alt; i++) { 15812a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc. 15822a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE wMaxPacketSize); 15832a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE usbvision->alt_max_pkt_size[i] = 15842a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); 15856d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil PDEBUG(DBG_PROBE, "Alternate setting %i, max size= %i", i, 15862a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE usbvision->alt_max_pkt_size[i]); 15872a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE } 15882a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 15892a9f8b5d25beacd034369fca416b548cbf931561Thierry MERLE 1590483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->nr = usbvision_nr++; 1591483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 15925490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->have_tuner = usbvision_device_data[model].tuner; 15936d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (usbvision->have_tuner) 15945490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->tuner_type = usbvision_device_data[model].tuner_type; 1595483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 15965490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->dev_model = model; 1597483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->remove_pending = 0; 1598483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->iface = ifnum; 15995490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->iface_alt = 0; 1600483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->video_endp = endpoint->bEndpointAddress; 16015490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->isoc_packet_size = 0; 1602483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->usb_bandwidth = 0; 1603483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision->user = 0; 16045490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil usbvision->streaming = stream_off; 1605483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_configure_video(usbvision); 16068403472f19fea7e7cec7899e998f38b899e59604Hans Verkuil usbvision_register_video(usbvision); 1607483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1608483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_create_sysfs(usbvision->vdev); 1609483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1610483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "success"); 1611483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return 0; 1612483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1613483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1614483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1615483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1616483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_disconnect() 1617483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1618483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This procedure stops all driver activity, deallocates interface-private 1619483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * structure (pointed by 'ptr') and after that driver should be removable 1620483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * with no ill consequences. 1621483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1622483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 16234c62e9764ab403d42f9b8871b1241fe7812f19d4Greg Kroah-Hartmanstatic void usbvision_disconnect(struct usb_interface *intf) 1624483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 1625aeb506aaaa08bc1910650666463843a73c34b139Hans Verkuil struct usb_usbvision *usbvision = to_usbvision(usb_get_intfdata(intf)); 1626483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1627483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, ""); 1628483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1629483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision == NULL) { 16304202066c6995200b2755a4501ea90f5d4e163e41Julia Lawall pr_err("%s: usb_get_intfdata() failed\n", __func__); 1631483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE return; 1632483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1633483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1634c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil mutex_lock(&usbvision->v4l2_lock); 1635483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 163652cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* At this time we ask to cancel outstanding URBs */ 1637483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_stop_isoc(usbvision); 1638483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1639f1ba28c3a6e472742cbd73b05b807684e5d56b5aHans Verkuil v4l2_device_disconnect(&usbvision->v4l2_dev); 1640f1ba28c3a6e472742cbd73b05b807684e5d56b5aHans Verkuil 1641483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->power) { 16421ff16c2091a557f8080eb62c087465a87e4330e9Thierry MERLE usbvision_i2c_unregister(usbvision); 1643483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_power_off(usbvision); 1644483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 164552cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil usbvision->remove_pending = 1; /* Now all ISO data will be ignored */ 1646483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1647483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usb_put_dev(usbvision->dev); 164852cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil usbvision->dev = NULL; /* USB device is no more */ 1649483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1650c627b9d1f580f26fe99a8045d37a57f91e9aef66Hans Verkuil mutex_unlock(&usbvision->v4l2_lock); 1651483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1652483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE if (usbvision->user) { 1653c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE printk(KERN_INFO "%s: In use, disconnect pending\n", 1654d2db42dd4eb53b86a40b96b0b12a7b2d12377bddHarvey Harrison __func__); 1655483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE wake_up_interruptible(&usbvision->wait_frame); 1656483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE wake_up_interruptible(&usbvision->wait_stream); 1657c5f48367fe54c46805774eeea8e828de54a5ad7bThierry MERLE } else { 1658483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE usbvision_release(usbvision); 1659483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1660483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1661483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "success"); 1662483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1663483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1664483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic struct usb_driver usbvision_driver = { 1665483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .name = "usbvision", 1666483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .id_table = usbvision_table, 1667483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE .probe = usbvision_probe, 16684c62e9764ab403d42f9b8871b1241fe7812f19d4Greg Kroah-Hartman .disconnect = usbvision_disconnect, 1669483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE}; 1670483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1671483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1672483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * usbvision_init() 1673483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1674483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * This code is run to initialize the driver. 1675483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * 1676483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 1677483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic int __init usbvision_init(void) 1678483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 16795490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil int err_code; 1680483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1681483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, ""); 1682483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1683483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_IO, "IO debugging is enabled [video]"); 1684483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]"); 1685c876a3468d0f136710af81595177889953d1ff71Thierry MERLE PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]"); 1686483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1687483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE /* disable planar mode support unless compression enabled */ 16886d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil if (isoc_mode != ISOC_MODE_COMPRESS) { 168952cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil /* FIXME : not the right way to set supported flag */ 169052cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil usbvision_v4l2_format[6].supported = 0; /* V4L2_PIX_FMT_YVU420 */ 169152cb0bf275debe4ec8950157f11b9d9f14447a88Hans Verkuil usbvision_v4l2_format[7].supported = 0; /* V4L2_PIX_FMT_YUV422P */ 1692483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 1693483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 16945490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil err_code = usb_register(&usbvision_driver); 1695483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 16965490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil if (err_code == 0) { 1697de6a1b8edc48155249896f2600398e139f4860c6Dwaine Garden printk(KERN_INFO DRIVER_DESC " : " USBVISION_VERSION_STRING "\n"); 1698483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE PDEBUG(DBG_PROBE, "success"); 1699483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE } 17005490a7cbe65d63c6ec45f1013287af1e390c95d7Hans Verkuil return err_code; 1701483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1702483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1703483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEstatic void __exit usbvision_exit(void) 1704483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE{ 17056d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil PDEBUG(DBG_PROBE, ""); 1706483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 17076d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil usb_deregister(&usbvision_driver); 17086d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2Hans Verkuil PDEBUG(DBG_PROBE, "success"); 1709483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE} 1710483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1711483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEmodule_init(usbvision_init); 1712483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLEmodule_exit(usbvision_exit); 1713483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE 1714483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE/* 1715483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Overrides for Emacs so that we follow Linus's tabbing style. 1716483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * --------------------------------------------------------------------------- 1717483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * Local variables: 1718483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * c-basic-offset: 8 1719483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE * End: 1720483dfdb64fd4a9f240c84e0e225a90c044d65402Thierry MERLE */ 1721