diff options
Diffstat (limited to 'drivers/media/video/usbvision/usbvision-video.c')
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-video.c | 1871 |
1 files changed, 0 insertions, 1871 deletions
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c deleted file mode 100644 index d185b57fdcd..00000000000 --- a/drivers/media/video/usbvision/usbvision-video.c +++ /dev/null @@ -1,1871 +0,0 @@ -/* - * USB USBVISION Video device driver 0.9.9 - * - * - * - * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> - * - * This module is part of usbvision driver project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Let's call the version 0.... until compression decoding is completely - * implemented. - * - * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach. - * It was based on USB CPiA driver written by Peter Pregler, - * Scott J. Bertin and Johannes Erdfelt - * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler & - * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink - * Updates to driver completed by Dwaine P. Garden - * - * - * TODO: - * - use submit_urb for all setup packets - * - Fix memory settings for nt1004. It is 4 times as big as the - * nt1003 memory. - * - Add audio on endpoint 3 for nt1004 chip. - * Seems impossible, needs a codec interface. Which one? - * - Clean up the driver. - * - optimization for performance. - * - Add Videotext capability (VBI). Working on it..... - * - Check audio for other devices - * - */ - -#include <linux/version.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/timer.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/utsname.h> -#include <linux/highmem.h> -#include <linux/vmalloc.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <asm/io.h> -#include <linux/videodev2.h> -#include <linux/video_decoder.h> -#include <linux/i2c.h> - -#include <media/saa7115.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <media/tuner.h> - -#include <linux/workqueue.h> - -#include "usbvision.h" -#include "usbvision-cards.h" - -#define DRIVER_AUTHOR "Joerg Heckenbach <joerg@heckenbach-aw.de>,\ - Dwaine Garden <DwaineGarden@rogers.com>" -#define DRIVER_NAME "usbvision" -#define DRIVER_ALIAS "USBVision" -#define DRIVER_DESC "USBVision USB Video Device Driver for Linux" -#define DRIVER_LICENSE "GPL" -#define USBVISION_DRIVER_VERSION_MAJOR 0 -#define USBVISION_DRIVER_VERSION_MINOR 9 -#define USBVISION_DRIVER_VERSION_PATCHLEVEL 9 -#define USBVISION_DRIVER_VERSION KERNEL_VERSION(USBVISION_DRIVER_VERSION_MAJOR,\ -USBVISION_DRIVER_VERSION_MINOR,\ -USBVISION_DRIVER_VERSION_PATCHLEVEL) -#define USBVISION_VERSION_STRING __stringify(USBVISION_DRIVER_VERSION_MAJOR)\ - "." __stringify(USBVISION_DRIVER_VERSION_MINOR)\ - "." __stringify(USBVISION_DRIVER_VERSION_PATCHLEVEL) - -#define ENABLE_HEXDUMP 0 /* Enable if you need it */ - - -#ifdef USBVISION_DEBUG - #define PDEBUG(level, fmt, args...) { \ - if (video_debug & (level)) \ - printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \ - __func__, __LINE__ , ## args); \ - } -#else - #define PDEBUG(level, fmt, args...) do {} while(0) -#endif - -#define DBG_IO 1<<1 -#define DBG_PROBE 1<<2 -#define DBG_MMAP 1<<3 - -//String operations -#define rmspace(str) while(*str==' ') str++; -#define goto2next(str) while(*str!=' ') str++; while(*str==' ') str++; - - -/* sequential number of usbvision device */ -static int usbvision_nr; - -static struct usbvision_v4l2_format_st usbvision_v4l2_format[] = { - { 1, 1, 8, V4L2_PIX_FMT_GREY , "GREY" }, - { 1, 2, 16, V4L2_PIX_FMT_RGB565 , "RGB565" }, - { 1, 3, 24, V4L2_PIX_FMT_RGB24 , "RGB24" }, - { 1, 4, 32, V4L2_PIX_FMT_RGB32 , "RGB32" }, - { 1, 2, 16, V4L2_PIX_FMT_RGB555 , "RGB555" }, - { 1, 2, 16, V4L2_PIX_FMT_YUYV , "YUV422" }, - { 1, 2, 12, V4L2_PIX_FMT_YVU420 , "YUV420P" }, // 1.5 ! - { 1, 2, 16, V4L2_PIX_FMT_YUV422P , "YUV422P" } -}; - -/* Function prototypes */ -static void usbvision_release(struct usb_usbvision *usbvision); - -/* Default initialization of device driver parameters */ -/* Set the default format for ISOC endpoint */ -static int isocMode = ISOC_MODE_COMPRESS; -/* Set the default Debug Mode of the device driver */ -static int video_debug; -/* Set the default device to power on at startup */ -static int PowerOnAtOpen = 1; -/* Sequential Number of Video Device */ -static int video_nr = -1; -/* Sequential Number of Radio Device */ -static int radio_nr = -1; -/* Sequential Number of VBI Device */ -static int vbi_nr = -1; - -/* Grab parameters for the device driver */ - -/* Showing parameters under SYSFS */ -module_param(isocMode, int, 0444); -module_param(video_debug, int, 0444); -module_param(PowerOnAtOpen, int, 0444); -module_param(video_nr, int, 0444); -module_param(radio_nr, int, 0444); -module_param(vbi_nr, int, 0444); - -MODULE_PARM_DESC(isocMode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); -MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); -MODULE_PARM_DESC(PowerOnAtOpen, " Set the default device to power on when device is opened. Default: 1 (On)"); -MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)"); -MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)"); -MODULE_PARM_DESC(vbi_nr, "Set vbi device number (/dev/vbiX). Default: -1 (autodetect)"); - - -// Misc stuff -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE(DRIVER_LICENSE); -MODULE_VERSION(USBVISION_VERSION_STRING); -MODULE_ALIAS(DRIVER_ALIAS); - - -/*****************************************************************************/ -/* SYSFS Code - Copied from the stv680.c usb module. */ -/* Device information is located at /sys/class/video4linux/video0 */ -/* Device parameters information is located at /sys/module/usbvision */ -/* Device USB Information is located at */ -/* /sys/bus/usb/drivers/USBVision Video Grabber */ -/*****************************************************************************/ - -#define YES_NO(x) ((x) ? "Yes" : "No") - -static inline struct usb_usbvision *cd_to_usbvision(struct device *cd) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - return video_get_drvdata(vdev); -} - -static ssize_t show_version(struct device *cd, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%s\n", USBVISION_VERSION_STRING); -} -static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); - -static ssize_t show_model(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", - usbvision_device_data[usbvision->DevModel].ModelString); -} -static DEVICE_ATTR(model, S_IRUGO, show_model, NULL); - -static ssize_t show_hue(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - struct v4l2_control ctrl; - ctrl.id = V4L2_CID_HUE; - ctrl.value = 0; - if(usbvision->user) - call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); - return sprintf(buf, "%d\n", ctrl.value); -} -static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); - -static ssize_t show_contrast(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - struct v4l2_control ctrl; - ctrl.id = V4L2_CID_CONTRAST; - ctrl.value = 0; - if(usbvision->user) - call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); - return sprintf(buf, "%d\n", ctrl.value); -} -static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); - -static ssize_t show_brightness(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - struct v4l2_control ctrl; - ctrl.id = V4L2_CID_BRIGHTNESS; - ctrl.value = 0; - if(usbvision->user) - call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); - return sprintf(buf, "%d\n", ctrl.value); -} -static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); - -static ssize_t show_saturation(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - struct v4l2_control ctrl; - ctrl.id = V4L2_CID_SATURATION; - ctrl.value = 0; - if(usbvision->user) - call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); - return sprintf(buf, "%d\n", ctrl.value); -} -static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); - -static ssize_t show_streaming(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", - YES_NO(usbvision->streaming==Stream_On?1:0)); -} -static DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL); - -static ssize_t show_compression(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", - YES_NO(usbvision->isocMode==ISOC_MODE_COMPRESS)); -} -static DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL); - -static ssize_t show_device_bridge(struct device *cd, - struct device_attribute *attr, char *buf) -{ - struct video_device *vdev = - container_of(cd, struct video_device, dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->bridgeType); -} -static DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL); - -static void usbvision_create_sysfs(struct video_device *vdev) -{ - int res; - if (!vdev) - return; - do { - res = device_create_file(&vdev->dev, &dev_attr_version); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_model); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_hue); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_contrast); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_brightness); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_saturation); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_streaming); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_compression); - if (res<0) - break; - res = device_create_file(&vdev->dev, &dev_attr_bridge); - if (res>=0) - return; - } while (0); - - err("%s error: %d\n", __func__, res); -} - -static void usbvision_remove_sysfs(struct video_device *vdev) -{ - if (vdev) { - device_remove_file(&vdev->dev, &dev_attr_version); - device_remove_file(&vdev->dev, &dev_attr_model); - device_remove_file(&vdev->dev, &dev_attr_hue); - device_remove_file(&vdev->dev, &dev_attr_contrast); - device_remove_file(&vdev->dev, &dev_attr_brightness); - device_remove_file(&vdev->dev, &dev_attr_saturation); - device_remove_file(&vdev->dev, &dev_attr_streaming); - device_remove_file(&vdev->dev, &dev_attr_compression); - device_remove_file(&vdev->dev, &dev_attr_bridge); - } -} - -/* - * usbvision_open() - * - * This is part of Video 4 Linux API. The driver can be opened by one - * client only (checks internal counter 'usbvision->user'). The procedure - * then allocates buffers needed for video processing. - * - */ -static int usbvision_v4l2_open(struct inode *inode, struct file *file) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int errCode = 0; - - PDEBUG(DBG_IO, "open"); - - lock_kernel(); - usbvision_reset_powerOffTimer(usbvision); - - if (usbvision->user) - errCode = -EBUSY; - else { - /* Allocate memory for the scratch ring buffer */ - errCode = usbvision_scratch_alloc(usbvision); - if (isocMode==ISOC_MODE_COMPRESS) { - /* Allocate intermediate decompression buffers - only if needed */ - errCode = usbvision_decompress_alloc(usbvision); - } - if (errCode) { - /* Deallocate all buffers if trouble */ - usbvision_scratch_free(usbvision); - usbvision_decompress_free(usbvision); - } - } - - /* If so far no errors then we shall start the camera */ - if (!errCode) { - mutex_lock(&usbvision->lock); - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } - - /* Send init sequence only once, it's large! */ - if (!usbvision->initialized) { - int setup_ok = 0; - setup_ok = usbvision_setup(usbvision,isocMode); - if (setup_ok) - usbvision->initialized = 1; - else - errCode = -EBUSY; - } - - if (!errCode) { - usbvision_begin_streaming(usbvision); - errCode = usbvision_init_isoc(usbvision); - /* device must be initialized before isoc transfer */ - usbvision_muxsel(usbvision,0); - usbvision->user++; - } else { - if (PowerOnAtOpen) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - mutex_unlock(&usbvision->lock); - } - - /* prepare queues */ - usbvision_empty_framequeues(usbvision); - - PDEBUG(DBG_IO, "success"); - unlock_kernel(); - return errCode; -} - -/* - * usbvision_v4l2_close() - * - * This is part of Video 4 Linux API. The procedure - * stops streaming and deallocates all buffers that were earlier - * allocated in usbvision_v4l2_open(). - * - */ -static int usbvision_v4l2_close(struct inode *inode, struct file *file) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - PDEBUG(DBG_IO, "close"); - mutex_lock(&usbvision->lock); - - usbvision_audio_off(usbvision); - usbvision_restart_isoc(usbvision); - usbvision_stop_isoc(usbvision); - - usbvision_decompress_free(usbvision); - usbvision_frames_free(usbvision); - usbvision_empty_framequeues(usbvision); - usbvision_scratch_free(usbvision); - - usbvision->user--; - - if (PowerOnAtOpen) { - /* power off in a little while - to avoid off/on every close/open short sequences */ - usbvision_set_powerOffTimer(usbvision); - usbvision->initialized = 0; - } - - mutex_unlock(&usbvision->lock); - - if (usbvision->remove_pending) { - printk(KERN_INFO "%s: Final disconnect\n", __func__); - usbvision_release(usbvision); - } - - PDEBUG(DBG_IO, "success"); - return 0; -} - - -/* - * usbvision_ioctl() - * - * This is part of Video 4 Linux API. The procedure handles ioctl() calls. - * - */ -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int vidioc_g_register (struct file *file, void *priv, - struct v4l2_register *reg) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int errCode; - - if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) - return -EINVAL; - /* NT100x has a 8-bit register space */ - errCode = usbvision_read_reg(usbvision, reg->reg&0xff); - if (errCode < 0) { - err("%s: VIDIOC_DBG_G_REGISTER failed: error %d", - __func__, errCode); - return errCode; - } - reg->val = errCode; - return 0; -} - -static int vidioc_s_register (struct file *file, void *priv, - struct v4l2_register *reg) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int errCode; - - if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) - return -EINVAL; - /* NT100x has a 8-bit register space */ - errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val); - if (errCode < 0) { - err("%s: VIDIOC_DBG_S_REGISTER failed: error %d", - __func__, errCode); - return errCode; - } - return 0; -} -#endif - -static int vidioc_querycap (struct file *file, void *priv, - struct v4l2_capability *vc) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - strlcpy(vc->driver, "USBVision", sizeof(vc->driver)); - strlcpy(vc->card, - usbvision_device_data[usbvision->DevModel].ModelString, - sizeof(vc->card)); - strlcpy(vc->bus_info, usbvision->dev->dev.bus_id, - sizeof(vc->bus_info)); - vc->version = USBVISION_DRIVER_VERSION; - vc->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_AUDIO | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING | - (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); - return 0; -} - -static int vidioc_enum_input (struct file *file, void *priv, - struct v4l2_input *vi) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int chan; - - if ((vi->index >= usbvision->video_inputs) || (vi->index < 0) ) - return -EINVAL; - if (usbvision->have_tuner) { - chan = vi->index; - } else { - chan = vi->index + 1; /*skip Television string*/ - } - /* Determine the requested input characteristics - specific for each usbvision card model */ - switch(chan) { - case 0: - if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { - strcpy(vi->name, "White Video Input"); - } else { - strcpy(vi->name, "Television"); - vi->type = V4L2_INPUT_TYPE_TUNER; - vi->audioset = 1; - vi->tuner = chan; - vi->std = USBVISION_NORMS; - } - break; - case 1: - vi->type = V4L2_INPUT_TYPE_CAMERA; - if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { - strcpy(vi->name, "Green Video Input"); - } else { - strcpy(vi->name, "Composite Video Input"); - } - vi->std = V4L2_STD_PAL; - break; - case 2: - vi->type = V4L2_INPUT_TYPE_CAMERA; - if (usbvision_device_data[usbvision->DevModel].VideoChannels == 4) { - strcpy(vi->name, "Yellow Video Input"); - } else { - strcpy(vi->name, "S-Video Input"); - } - vi->std = V4L2_STD_PAL; - break; - case 3: - vi->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(vi->name, "Red Video Input"); - vi->std = V4L2_STD_PAL; - break; - } - return 0; -} - -static int vidioc_g_input (struct file *file, void *priv, unsigned int *input) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - *input = usbvision->ctl_input; - return 0; -} - -static int vidioc_s_input (struct file *file, void *priv, unsigned int input) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - if ((input >= usbvision->video_inputs) || (input < 0) ) - return -EINVAL; - - mutex_lock(&usbvision->lock); - usbvision_muxsel(usbvision, input); - usbvision_set_input(usbvision); - usbvision_set_output(usbvision, - usbvision->curwidth, - usbvision->curheight); - mutex_unlock(&usbvision->lock); - return 0; -} - -static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - usbvision->tvnormId=*id; - - mutex_lock(&usbvision->lock); - call_i2c_clients(usbvision, VIDIOC_S_STD, - &usbvision->tvnormId); - mutex_unlock(&usbvision->lock); - /* propagate the change to the decoder */ - usbvision_muxsel(usbvision, usbvision->ctl_input); - - return 0; -} - -static int vidioc_g_tuner (struct file *file, void *priv, - struct v4l2_tuner *vt) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - if (!usbvision->have_tuner || vt->index) // Only tuner 0 - return -EINVAL; - if(usbvision->radio) { - strcpy(vt->name, "Radio"); - vt->type = V4L2_TUNER_RADIO; - } else { - strcpy(vt->name, "Television"); - } - /* Let clients fill in the remainder of this struct */ - call_i2c_clients(usbvision,VIDIOC_G_TUNER,vt); - - return 0; -} - -static int vidioc_s_tuner (struct file *file, void *priv, - struct v4l2_tuner *vt) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - // Only no or one tuner for now - if (!usbvision->have_tuner || vt->index) - return -EINVAL; - /* let clients handle this */ - call_i2c_clients(usbvision,VIDIOC_S_TUNER,vt); - - return 0; -} - -static int vidioc_g_frequency (struct file *file, void *priv, - struct v4l2_frequency *freq) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - freq->tuner = 0; // Only one tuner - if(usbvision->radio) { - freq->type = V4L2_TUNER_RADIO; - } else { - freq->type = V4L2_TUNER_ANALOG_TV; - } - freq->frequency = usbvision->freq; - - return 0; -} - -static int vidioc_s_frequency (struct file *file, void *priv, - struct v4l2_frequency *freq) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - // Only no or one tuner for now - if (!usbvision->have_tuner || freq->tuner) - return -EINVAL; - - usbvision->freq = freq->frequency; - call_i2c_clients(usbvision, VIDIOC_S_FREQUENCY, freq); - - return 0; -} - -static int vidioc_g_audio (struct file *file, void *priv, struct v4l2_audio *a) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - - memset(a,0,sizeof(*a)); - if(usbvision->radio) { - strcpy(a->name,"Radio"); - } else { - strcpy(a->name, "TV"); - } - - return 0; -} - -static int vidioc_s_audio (struct file *file, void *fh, - struct v4l2_audio *a) -{ - if(a->index) { - return -EINVAL; - } - - return 0; -} - -static int vidioc_queryctrl (struct file *file, void *priv, - struct v4l2_queryctrl *ctrl) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int id=ctrl->id; - - memset(ctrl,0,sizeof(*ctrl)); - ctrl->id=id; - - call_i2c_clients(usbvision, VIDIOC_QUERYCTRL, ctrl); - - if (!ctrl->type) - return -EINVAL; - - return 0; -} - -static int vidioc_g_ctrl (struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); - - return 0; -} - -static int vidioc_s_ctrl (struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); - - return 0; -} - -static int vidioc_reqbufs (struct file *file, - void *priv, struct v4l2_requestbuffers *vr) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int ret; - - RESTRICT_TO_RANGE(vr->count,1,USBVISION_NUMFRAMES); - - /* Check input validity: - the user must do a VIDEO CAPTURE and MMAP method. */ - if((vr->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) || - (vr->memory != V4L2_MEMORY_MMAP)) - return -EINVAL; - - if(usbvision->streaming == Stream_On) { - if ((ret = usbvision_stream_interrupt(usbvision))) - return ret; - } - - usbvision_frames_free(usbvision); - usbvision_empty_framequeues(usbvision); - vr->count = usbvision_frames_alloc(usbvision,vr->count); - - usbvision->curFrame = NULL; - - return 0; -} - -static int vidioc_querybuf (struct file *file, - void *priv, struct v4l2_buffer *vb) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - struct usbvision_frame *frame; - - /* FIXME : must control - that buffers are mapped (VIDIOC_REQBUFS has been called) */ - if(vb->type != V4L2_CAP_VIDEO_CAPTURE) { - return -EINVAL; - } - if(vb->index>=usbvision->num_frames) { - return -EINVAL; - } - /* Updating the corresponding frame state */ - vb->flags = 0; - frame = &usbvision->frame[vb->index]; - if(frame->grabstate >= FrameState_Ready) - vb->flags |= V4L2_BUF_FLAG_QUEUED; - if(frame->grabstate >= FrameState_Done) - vb->flags |= V4L2_BUF_FLAG_DONE; - if(frame->grabstate == FrameState_Unused) - vb->flags |= V4L2_BUF_FLAG_MAPPED; - vb->memory = V4L2_MEMORY_MMAP; - - vb->m.offset = vb->index*PAGE_ALIGN(usbvision->max_frame_size); - - vb->memory = V4L2_MEMORY_MMAP; - vb->field = V4L2_FIELD_NONE; - vb->length = usbvision->curwidth* - usbvision->curheight* - usbvision->palette.bytes_per_pixel; - vb->timestamp = usbvision->frame[vb->index].timestamp; - vb->sequence = usbvision->frame[vb->index].sequence; - return 0; -} - -static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *vb) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - struct usbvision_frame *frame; - unsigned long lock_flags; - - /* FIXME : works only on VIDEO_CAPTURE MODE, MMAP. */ - if(vb->type != V4L2_CAP_VIDEO_CAPTURE) { - return -EINVAL; - } - if(vb->index>=usbvision->num_frames) { - return -EINVAL; - } - - frame = &usbvision->frame[vb->index]; - - if (frame->grabstate != FrameState_Unused) { - return -EAGAIN; - } - - /* Mark it as ready and enqueue frame */ - frame->grabstate = FrameState_Ready; - frame->scanstate = ScanState_Scanning; - frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */ - - vb->flags &= ~V4L2_BUF_FLAG_DONE; - - /* set v4l2_format index */ - frame->v4l2_format = usbvision->palette; - - spin_lock_irqsave(&usbvision->queue_lock, lock_flags); - list_add_tail(&usbvision->frame[vb->index].frame, &usbvision->inqueue); - spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); - - return 0; -} - -static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *vb) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int ret; - struct usbvision_frame *f; - unsigned long lock_flags; - - if (vb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (list_empty(&(usbvision->outqueue))) { - if (usbvision->streaming == Stream_Idle) - return -EINVAL; - ret = wait_event_interruptible - (usbvision->wait_frame, - !list_empty(&(usbvision->outqueue))); - if (ret) - return ret; - } - - spin_lock_irqsave(&usbvision->queue_lock, lock_flags); - f = list_entry(usbvision->outqueue.next, - struct usbvision_frame, frame); - list_del(usbvision->outqueue.next); - spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); - - f->grabstate = FrameState_Unused; - - vb->memory = V4L2_MEMORY_MMAP; - vb->flags = V4L2_BUF_FLAG_MAPPED | - V4L2_BUF_FLAG_QUEUED | - V4L2_BUF_FLAG_DONE; - vb->index = f->index; - vb->sequence = f->sequence; - vb->timestamp = f->timestamp; - vb->field = V4L2_FIELD_NONE; - vb->bytesused = f->scanlength; - - return 0; -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; - - usbvision->streaming = Stream_On; - call_i2c_clients(usbvision,VIDIOC_STREAMON , &b); - - return 0; -} - -static int vidioc_streamoff(struct file *file, - void *priv, enum v4l2_buf_type type) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; - - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if(usbvision->streaming == Stream_On) { - usbvision_stream_interrupt(usbvision); - /* Stop all video streamings */ - call_i2c_clients(usbvision,VIDIOC_STREAMOFF , &b); - } - usbvision_empty_framequeues(usbvision); - - return 0; -} - -static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_fmtdesc *vfd) -{ - if(vfd->index>=USBVISION_SUPPORTED_PALETTES-1) { - return -EINVAL; - } - vfd->flags = 0; - vfd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - strcpy(vfd->description,usbvision_v4l2_format[vfd->index].desc); - vfd->pixelformat = usbvision_v4l2_format[vfd->index].format; - memset(vfd->reserved, 0, sizeof(vfd->reserved)); - return 0; -} - -static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_format *vf) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - vf->fmt.pix.width = usbvision->curwidth; - vf->fmt.pix.height = usbvision->curheight; - vf->fmt.pix.pixelformat = usbvision->palette.format; - vf->fmt.pix.bytesperline = - usbvision->curwidth*usbvision->palette.bytes_per_pixel; - vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*usbvision->curheight; - vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */ - - return 0; -} - -static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_format *vf) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int formatIdx; - - /* Find requested format in available ones */ - for(formatIdx=0;formatIdx<USBVISION_SUPPORTED_PALETTES;formatIdx++) { - if(vf->fmt.pix.pixelformat == - usbvision_v4l2_format[formatIdx].format) { - usbvision->palette = usbvision_v4l2_format[formatIdx]; - break; - } - } - /* robustness */ - if(formatIdx == USBVISION_SUPPORTED_PALETTES) { - return -EINVAL; - } - RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); - RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); - - vf->fmt.pix.bytesperline = vf->fmt.pix.width* - usbvision->palette.bytes_per_pixel; - vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height; - - return 0; -} - -static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *vf) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int ret; - - if( 0 != (ret=vidioc_try_fmt_vid_cap (file, priv, vf)) ) { - return ret; - } - - /* stop io in case it is already in progress */ - if(usbvision->streaming == Stream_On) { - if ((ret = usbvision_stream_interrupt(usbvision))) - return ret; - } - usbvision_frames_free(usbvision); - usbvision_empty_framequeues(usbvision); - - usbvision->curFrame = NULL; - - /* by now we are committed to the new data... */ - mutex_lock(&usbvision->lock); - usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height); - mutex_unlock(&usbvision->lock); - - return 0; -} - -static ssize_t usbvision_v4l2_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int noblock = file->f_flags & O_NONBLOCK; - unsigned long lock_flags; - - int ret,i; - struct usbvision_frame *frame; - - PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __func__, - (unsigned long)count, noblock); - - if (!USBVISION_IS_OPERATIONAL(usbvision) || (buf == NULL)) - return -EFAULT; - - /* This entry point is compatible with the mmap routines - so that a user can do either VIDIOC_QBUF/VIDIOC_DQBUF - to get frames or call read on the device. */ - if(!usbvision->num_frames) { - /* First, allocate some frames to work with - if this has not been done with VIDIOC_REQBUF */ - usbvision_frames_free(usbvision); - usbvision_empty_framequeues(usbvision); - usbvision_frames_alloc(usbvision,USBVISION_NUMFRAMES); - } - - if(usbvision->streaming != Stream_On) { - /* no stream is running, make it running ! */ - usbvision->streaming = Stream_On; - call_i2c_clients(usbvision,VIDIOC_STREAMON , NULL); - } - - /* Then, enqueue as many frames as possible - (like a user of VIDIOC_QBUF would do) */ - for(i=0;i<usbvision->num_frames;i++) { - frame = &usbvision->frame[i]; - if(frame->grabstate == FrameState_Unused) { - /* Mark it as ready and enqueue frame */ - frame->grabstate = FrameState_Ready; - frame->scanstate = ScanState_Scanning; - /* Accumulated in usbvision_parse_data() */ - frame->scanlength = 0; - - /* set v4l2_format index */ - frame->v4l2_format = usbvision->palette; - - spin_lock_irqsave(&usbvision->queue_lock, lock_flags); - list_add_tail(&frame->frame, &usbvision->inqueue); - spin_unlock_irqrestore(&usbvision->queue_lock, - lock_flags); - } - } - - /* Then try to steal a frame (like a VIDIOC_DQBUF would do) */ - if (list_empty(&(usbvision->outqueue))) { - if(noblock) - return -EAGAIN; - - ret = wait_event_interruptible - (usbvision->wait_frame, - !list_empty(&(usbvision->outqueue))); - if (ret) - return ret; - } - - spin_lock_irqsave(&usbvision->queue_lock, lock_flags); - frame = list_entry(usbvision->outqueue.next, - struct usbvision_frame, frame); - list_del(usbvision->outqueue.next); - spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); - - /* An error returns an empty frame */ - if (frame->grabstate == FrameState_Error) { - frame->bytes_read = 0; - return 0; - } - - PDEBUG(DBG_IO, "%s: frmx=%d, bytes_read=%ld, scanlength=%ld", - __func__, - frame->index, frame->bytes_read, frame->scanlength); - - /* copy bytes to user space; we allow for partials reads */ - if ((count + frame->bytes_read) > (unsigned long)frame->scanlength) - count = frame->scanlength - frame->bytes_read; - - if (copy_to_user(buf, frame->data + frame->bytes_read, count)) { - return -EFAULT; - } - - frame->bytes_read += count; - PDEBUG(DBG_IO, "%s: {copy} count used=%ld, new bytes_read=%ld", - __func__, - (unsigned long)count, frame->bytes_read); - - /* For now, forget the frame if it has not been read in one shot. */ -/* if (frame->bytes_read >= frame->scanlength) {// All data has been read */ - frame->bytes_read = 0; - - /* Mark it as available to be used again. */ - frame->grabstate = FrameState_Unused; -/* } */ - - return count; -} - -static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma) -{ - unsigned long size = vma->vm_end - vma->vm_start, - start = vma->vm_start; - void *pos; - u32 i; - struct usb_usbvision *usbvision = video_drvdata(file); - - PDEBUG(DBG_MMAP, "mmap"); - - mutex_lock(&usbvision->lock); - - if (!USBVISION_IS_OPERATIONAL(usbvision)) { - mutex_unlock(&usbvision->lock); - return -EFAULT; - } - - if (!(vma->vm_flags & VM_WRITE) || - size != PAGE_ALIGN(usbvision->max_frame_size)) { - mutex_unlock(&usbvision->lock); - return -EINVAL; - } - - for (i = 0; i < usbvision->num_frames; i++) { - if (((PAGE_ALIGN(usbvision->max_frame_size)*i) >> PAGE_SHIFT) == - vma->vm_pgoff) - break; - } - if (i == usbvision->num_frames) { - PDEBUG(DBG_MMAP, - "mmap: user supplied mapping address is out of range"); - mutex_unlock(&usbvision->lock); - return -EINVAL; - } - - /* VM_IO is eventually going to replace PageReserved altogether */ - vma->vm_flags |= VM_IO; - vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ - - pos = usbvision->frame[i].data; - while (size > 0) { - - if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { - PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed"); - mutex_unlock(&usbvision->lock); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - size -= PAGE_SIZE; - } - - mutex_unlock(&usbvision->lock); - return 0; -} - - -/* - * Here comes the stuff for radio on usbvision based devices - * - */ -static int usbvision_radio_open(struct inode *inode, struct file *file) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int errCode = 0; - - PDEBUG(DBG_IO, "%s:", __func__); - - mutex_lock(&usbvision->lock); - - if (usbvision->user) { - err("%s: Someone tried to open an already opened USBVision Radio!", __func__); - errCode = -EBUSY; - } - else { - if(PowerOnAtOpen) { - usbvision_reset_powerOffTimer(usbvision); - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } - } - - /* Alternate interface 1 is is the biggest frame size */ - errCode = usbvision_set_alternate(usbvision); - if (errCode < 0) { - usbvision->last_error = errCode; - errCode = -EBUSY; - goto out; - } - - // If so far no errors then we shall start the radio - usbvision->radio = 1; - call_i2c_clients(usbvision,AUDC_SET_RADIO,&usbvision->tuner_type); - usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); - usbvision->user++; - } - - if (errCode) { - if (PowerOnAtOpen) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } -out: - mutex_unlock(&usbvision->lock); - return errCode; -} - - -static int usbvision_radio_close(struct inode *inode, struct file *file) -{ - struct usb_usbvision *usbvision = video_drvdata(file); - int errCode = 0; - - PDEBUG(DBG_IO, ""); - - mutex_lock(&usbvision->lock); - - /* Set packet size to 0 */ - usbvision->ifaceAlt=0; - errCode = usb_set_interface(usbvision->dev, usbvision->iface, - usbvision->ifaceAlt); - - usbvision_audio_off(usbvision); - usbvision->radio=0; - usbvision->user--; - - if (PowerOnAtOpen) { - usbvision_set_powerOffTimer(usbvision); - usbvision->initialized = 0; - } - - mutex_unlock(&usbvision->lock); - - if (usbvision->remove_pending) { - printk(KERN_INFO "%s: Final disconnect\n", __func__); - usbvision_release(usbvision); - } - - PDEBUG(DBG_IO, "success"); - return errCode; -} - -/* - * Here comes the stuff for vbi on usbvision based devices - * - */ -static int usbvision_vbi_open(struct inode *inode, struct file *file) -{ - /* TODO */ - return -ENODEV; -} - -static int usbvision_vbi_close(struct inode *inode, struct file *file) -{ - /* TODO */ - return -ENODEV; -} - -static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - /* TODO */ - return -ENOIOCTLCMD; -} - -static int usbvision_vbi_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(inode, file, cmd, arg, usbvision_do_vbi_ioctl); -} - - -// -// Video registration stuff -// - -// Video template -static const struct file_operations usbvision_fops = { - .owner = THIS_MODULE, - .open = usbvision_v4l2_open, - .release = usbvision_v4l2_close, - .read = usbvision_v4l2_read, - .mmap = usbvision_v4l2_mmap, - .ioctl = video_ioctl2, - .llseek = no_llseek, -/* .poll = video_poll, */ - .compat_ioctl = v4l_compat_ioctl32, -}; - -static const struct v4l2_ioctl_ops usbvision_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_s_std = vidioc_s_std, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_audio = vidioc_g_audio, - .vidioc_s_audio = vidioc_s_audio, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, -#ifdef CONFIG_VIDEO_V4L1_COMPAT -/* .vidiocgmbuf = vidiocgmbuf, */ -#endif - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .vidioc_g_register = vidioc_g_register, - .vidioc_s_register = vidioc_s_register, -#endif -}; - -static struct video_device usbvision_video_template = { - .fops = &usbvision_fops, - .ioctl_ops = &usbvision_ioctl_ops, - .name = "usbvision-video", - .release = video_device_release, - .minor = -1, - .tvnorms = USBVISION_NORMS, - .current_norm = V4L2_STD_PAL -}; - - -// Radio template -static const struct file_operations usbvision_radio_fops = { - .owner = THIS_MODULE, - .open = usbvision_radio_open, - .release = usbvision_radio_close, - .ioctl = video_ioctl2, - .llseek = no_llseek, - .compat_ioctl = v4l_compat_ioctl32, -}; - -static const struct v4l2_ioctl_ops usbvision_radio_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_audio = vidioc_g_audio, - .vidioc_s_audio = vidioc_s_audio, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, -}; - -static struct video_device usbvision_radio_template = { - .fops = &usbvision_radio_fops, - .name = "usbvision-radio", - .release = video_device_release, - .minor = -1, - .ioctl_ops = &usbvision_radio_ioctl_ops, - - .tvnorms = USBVISION_NORMS, - .current_norm = V4L2_STD_PAL -}; - -// vbi template -static const struct file_operations usbvision_vbi_fops = { - .owner = THIS_MODULE, - .open = usbvision_vbi_open, - .release = usbvision_vbi_close, - .ioctl = usbvision_vbi_ioctl, - .llseek = no_llseek, - .compat_ioctl = v4l_compat_ioctl32, -}; - -static struct video_device usbvision_vbi_template= -{ - .fops = &usbvision_vbi_fops, - .release = video_device_release, - .name = "usbvision-vbi", - .minor = -1, -}; - - -static struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision, - struct video_device *vdev_template, - char *name) -{ - struct usb_device *usb_dev = usbvision->dev; - struct video_device *vdev; - - if (usb_dev == NULL) { - err("%s: usbvision->dev is not set", __func__); - return NULL; - } - - vdev = video_device_alloc(); - if (NULL == vdev) { - return NULL; - } - *vdev = *vdev_template; -// vdev->minor = -1; - vdev->parent = &usb_dev->dev; - snprintf(vdev->name, sizeof(vdev->name), "%s", name); - video_set_drvdata(vdev, usbvision); - return vdev; -} - -// unregister video4linux devices -static void usbvision_unregister_video(struct usb_usbvision *usbvision) -{ - // vbi Device: - if (usbvision->vbi) { - PDEBUG(DBG_PROBE, "unregister /dev/vbi%d [v4l2]", - usbvision->vbi->num); - if (usbvision->vbi->minor != -1) { - video_unregister_device(usbvision->vbi); - } else { - video_device_release(usbvision->vbi); - } - usbvision->vbi = NULL; - } - - // Radio Device: - if (usbvision->rdev) { - PDEBUG(DBG_PROBE, "unregister /dev/radio%d [v4l2]", - usbvision->rdev->num); - if (usbvision->rdev->minor != -1) { - video_unregister_device(usbvision->rdev); - } else { - video_device_release(usbvision->rdev); - } - usbvision->rdev = NULL; - } - - // Video Device: - if (usbvision->vdev) { - PDEBUG(DBG_PROBE, "unregister /dev/video%d [v4l2]", - usbvision->vdev->num); - if (usbvision->vdev->minor != -1) { - video_unregister_device(usbvision->vdev); - } else { - video_device_release(usbvision->vdev); - } - usbvision->vdev = NULL; - } -} - -// register video4linux devices -static int __devinit usbvision_register_video(struct usb_usbvision *usbvision) -{ - // Video Device: - usbvision->vdev = usbvision_vdev_init(usbvision, - &usbvision_video_template, - "USBVision Video"); - if (usbvision->vdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->vdev, - VFL_TYPE_GRABBER, - video_nr)<0) { - goto err_exit; - } - printk(KERN_INFO "USBVision[%d]: registered USBVision Video device /dev/video%d [v4l2]\n", - usbvision->nr, usbvision->vdev->num); - - // Radio Device: - if (usbvision_device_data[usbvision->DevModel].Radio) { - // usbvision has radio - usbvision->rdev = usbvision_vdev_init(usbvision, - &usbvision_radio_template, - "USBVision Radio"); - if (usbvision->rdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->rdev, - VFL_TYPE_RADIO, - radio_nr)<0) { - goto err_exit; - } - printk(KERN_INFO "USBVision[%d]: registered USBVision Radio device /dev/radio%d [v4l2]\n", - usbvision->nr, usbvision->rdev->num); - } - // vbi Device: - if (usbvision_device_data[usbvision->DevModel].vbi) { - usbvision->vbi = usbvision_vdev_init(usbvision, - &usbvision_vbi_template, - "USBVision VBI"); - if (usbvision->vdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->vbi, - VFL_TYPE_VBI, - vbi_nr)<0) { - goto err_exit; - } - printk(KERN_INFO "USBVision[%d]: registered USBVision VBI device /dev/vbi%d [v4l2] (Not Working Yet!)\n", - usbvision->nr, usbvision->vbi->num); - } - // all done - return 0; - - err_exit: - err("USBVision[%d]: video_register_device() failed", usbvision->nr); - usbvision_unregister_video(usbvision); - return -1; -} - -/* - * usbvision_alloc() - * - * This code allocates the struct usb_usbvision. - * It is filled with default values. - * - * Returns NULL on error, a pointer to usb_usbvision else. - * - */ -static struct usb_usbvision *usbvision_alloc(struct usb_device *dev) -{ - struct usb_usbvision *usbvision; - - if ((usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL)) == - NULL) { - goto err_exit; - } - - usbvision->dev = dev; - - mutex_init(&usbvision->lock); /* available */ - - // prepare control urb for control messages during interrupts - usbvision->ctrlUrb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); - if (usbvision->ctrlUrb == NULL) { - goto err_exit; - } - init_waitqueue_head(&usbvision->ctrlUrb_wq); - - usbvision_init_powerOffTimer(usbvision); - - return usbvision; - -err_exit: - if (usbvision && usbvision->ctrlUrb) { - usb_free_urb(usbvision->ctrlUrb); - } - if (usbvision) { - kfree(usbvision); - } - return NULL; -} - -/* - * usbvision_release() - * - * This code does final release of struct usb_usbvision. This happens - * after the device is disconnected -and- all clients closed their files. - * - */ -static void usbvision_release(struct usb_usbvision *usbvision) -{ - PDEBUG(DBG_PROBE, ""); - - mutex_lock(&usbvision->lock); - - usbvision_reset_powerOffTimer(usbvision); - - usbvision->initialized = 0; - - mutex_unlock(&usbvision->lock); - - usbvision_remove_sysfs(usbvision->vdev); - usbvision_unregister_video(usbvision); - - if (usbvision->ctrlUrb) { - usb_free_urb(usbvision->ctrlUrb); - } - - kfree(usbvision); - - PDEBUG(DBG_PROBE, "success"); -} - - -/*********************** usb interface **********************************/ - -static void usbvision_configure_video(struct usb_usbvision *usbvision) -{ - int model; - - if (usbvision == NULL) - return; - - model = usbvision->DevModel; - usbvision->palette = usbvision_v4l2_format[2]; // V4L2_PIX_FMT_RGB24; - - if (usbvision_device_data[usbvision->DevModel].Vin_Reg2_override) { - usbvision->Vin_Reg2_Preset = - usbvision_device_data[usbvision->DevModel].Vin_Reg2; - } else { - usbvision->Vin_Reg2_Preset = 0; - } - - usbvision->tvnormId = usbvision_device_data[model].VideoNorm; - - usbvision->video_inputs = usbvision_device_data[model].VideoChannels; - usbvision->ctl_input = 0; - - /* This should be here to make i2c clients to be able to register */ - /* first switch off audio */ - usbvision_audio_off(usbvision); - if (!PowerOnAtOpen) { - /* and then power up the noisy tuner */ - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } -} - -/* - * usbvision_probe() - * - * This procedure queries device descriptor and accepts the interface - * if it looks like USBVISION video device - * - */ -static int __devinit usbvision_probe(struct usb_interface *intf, - const struct usb_device_id *devid) -{ - struct usb_device *dev = usb_get_dev(interface_to_usbdev(intf)); - struct usb_interface *uif; - __u8 ifnum = intf->altsetting->desc.bInterfaceNumber; - const struct usb_host_interface *interface; - struct usb_usbvision *usbvision = NULL; - const struct usb_endpoint_descriptor *endpoint; - int model,i; - - PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u", - dev->descriptor.idVendor, - dev->descriptor.idProduct, ifnum); - - model = devid->driver_info; - if ( (model<0) || (model>=usbvision_device_data_size) ) { - PDEBUG(DBG_PROBE, "model out of bounds %d",model); - return -ENODEV; - } - printk(KERN_INFO "%s: %s found\n", __func__, - usbvision_device_data[model].ModelString); - - if (usbvision_device_data[model].Interface >= 0) { - interface = &dev->actconfig->interface[usbvision_device_data[model].Interface]->altsetting[0]; - } else { - interface = &dev->actconfig->interface[ifnum]->altsetting[0]; - } - endpoint = &interface->endpoint[1].desc; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != - USB_ENDPOINT_XFER_ISOC) { - err("%s: interface %d. has non-ISO endpoint!", - __func__, ifnum); - err("%s: Endpoint attributes %d", - __func__, endpoint->bmAttributes); - return -ENODEV; - } - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == - USB_DIR_OUT) { - err("%s: interface %d. has ISO OUT endpoint!", - __func__, ifnum); - return -ENODEV; - } - - if ((usbvision = usbvision_alloc(dev)) == NULL) { - err("%s: couldn't allocate USBVision struct", __func__); - return -ENOMEM; - } - - if (dev->descriptor.bNumConfigurations > 1) { - usbvision->bridgeType = BRIDGE_NT1004; - } else if (model == DAZZLE_DVC_90_REV_1_SECAM) { - usbvision->bridgeType = BRIDGE_NT1005; - } else { - usbvision->bridgeType = BRIDGE_NT1003; - } - PDEBUG(DBG_PROBE, "bridgeType %d", usbvision->bridgeType); - - mutex_lock(&usbvision->lock); - - /* compute alternate max packet sizes */ - uif = dev->actconfig->interface[0]; - - usbvision->num_alt=uif->num_altsetting; - PDEBUG(DBG_PROBE, "Alternate settings: %i",usbvision->num_alt); - usbvision->alt_max_pkt_size = kmalloc(32* - usbvision->num_alt,GFP_KERNEL); - if (usbvision->alt_max_pkt_size == NULL) { - err("usbvision: out of memory!\n"); - mutex_unlock(&usbvision->lock); - return -ENOMEM; - } - - for (i = 0; i < usbvision->num_alt ; i++) { - u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc. - wMaxPacketSize); - usbvision->alt_max_pkt_size[i] = - (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); - PDEBUG(DBG_PROBE, "Alternate setting %i, max size= %i",i, - usbvision->alt_max_pkt_size[i]); - } - - - usbvision->nr = usbvision_nr++; - - usbvision->have_tuner = usbvision_device_data[model].Tuner; - if (usbvision->have_tuner) { - usbvision->tuner_type = usbvision_device_data[model].TunerType; - } - - usbvision->tuner_addr = ADDR_UNSET; - - usbvision->DevModel = model; - usbvision->remove_pending = 0; - usbvision->iface = ifnum; - usbvision->ifaceAlt = 0; - usbvision->video_endp = endpoint->bEndpointAddress; - usbvision->isocPacketSize = 0; - usbvision->usb_bandwidth = 0; - usbvision->user = 0; - usbvision->streaming = Stream_Off; - usbvision_register_video(usbvision); - usbvision_configure_video(usbvision); - mutex_unlock(&usbvision->lock); - - - usb_set_intfdata (intf, usbvision); - usbvision_create_sysfs(usbvision->vdev); - - PDEBUG(DBG_PROBE, "success"); - return 0; -} - - -/* - * usbvision_disconnect() - * - * This procedure stops all driver activity, deallocates interface-private - * structure (pointed by 'ptr') and after that driver should be removable - * with no ill consequences. - * - */ -static void __devexit usbvision_disconnect(struct usb_interface *intf) -{ - struct usb_usbvision *usbvision = usb_get_intfdata(intf); - - PDEBUG(DBG_PROBE, ""); - - if (usbvision == NULL) { - err("%s: usb_get_intfdata() failed", __func__); - return; - } - usb_set_intfdata (intf, NULL); - - mutex_lock(&usbvision->lock); - - // At this time we ask to cancel outstanding URBs - usbvision_stop_isoc(usbvision); - - if (usbvision->power) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - } - usbvision->remove_pending = 1; // Now all ISO data will be ignored - - usb_put_dev(usbvision->dev); - usbvision->dev = NULL; // USB device is no more - - mutex_unlock(&usbvision->lock); - - if (usbvision->user) { - printk(KERN_INFO "%s: In use, disconnect pending\n", - __func__); - wake_up_interruptible(&usbvision->wait_frame); - wake_up_interruptible(&usbvision->wait_stream); - } else { - usbvision_release(usbvision); - } - - PDEBUG(DBG_PROBE, "success"); -} - -static struct usb_driver usbvision_driver = { - .name = "usbvision", - .id_table = usbvision_table, - .probe = usbvision_probe, - .disconnect = usbvision_disconnect -}; - -/* - * usbvision_init() - * - * This code is run to initialize the driver. - * - */ -static int __init usbvision_init(void) -{ - int errCode; - - PDEBUG(DBG_PROBE, ""); - - PDEBUG(DBG_IO, "IO debugging is enabled [video]"); - PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]"); - PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]"); - - /* disable planar mode support unless compression enabled */ - if (isocMode != ISOC_MODE_COMPRESS ) { - // FIXME : not the right way to set supported flag - usbvision_v4l2_format[6].supported = 0; // V4L2_PIX_FMT_YVU420 - usbvision_v4l2_format[7].supported = 0; // V4L2_PIX_FMT_YUV422P - } - - errCode = usb_register(&usbvision_driver); - - if (errCode == 0) { - printk(KERN_INFO DRIVER_DESC " : " USBVISION_VERSION_STRING "\n"); - PDEBUG(DBG_PROBE, "success"); - } - return errCode; -} - -static void __exit usbvision_exit(void) -{ - PDEBUG(DBG_PROBE, ""); - - usb_deregister(&usbvision_driver); - PDEBUG(DBG_PROBE, "success"); -} - -module_init(usbvision_init); -module_exit(usbvision_exit); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |