# HG changeset patch # User Mauro Carvalho Chehab # Node ID ec6e4fff8839c275b852d12a05fdb1d0765cc5e8 # Parent bc5e81e34bb50074fab48b2fd9d43fb0d9fd3b8f Usbvision cleanup and code reorganization From: Thierry MERLE - removal of overlay stuff - reorganization of functions in 3 files: * usbvision-i2c for I2C-related stuff * usbvision-video for v4l2 entry points * usbvision-core for all peripheral controls and utilities Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab diff -r bc5e81e34bb5 -r ec6e4fff8839 linux/drivers/media/video/usbvision/Makefile --- a/linux/drivers/media/video/usbvision/Makefile Wed Nov 22 20:34:54 2006 -0200 +++ b/linux/drivers/media/video/usbvision/Makefile Sun Dec 03 22:32:36 2006 -0200 @@ -1,4 +1,4 @@ usbvision-objs := usbvision-core.o usbv -usbvision-objs := usbvision-core.o usbvision-i2c.o usbvision-cards.o +usbvision-objs := usbvision-core.o usbvision-video.o usbvision-i2c.o usbvision-cards.o obj-$(CONFIG_VIDEO_USBVISION) += usbvision.o diff -r bc5e81e34bb5 -r ec6e4fff8839 linux/drivers/media/video/usbvision/usbvision-cards.c --- a/linux/drivers/media/video/usbvision/usbvision-cards.c Wed Nov 22 20:34:54 2006 -0200 +++ b/linux/drivers/media/video/usbvision/usbvision-cards.c Sun Dec 03 22:32:36 2006 -0200 @@ -31,7 +31,6 @@ #include "usbvision.h" /* Supported Devices: A table for usbvision.c*/ - struct usbvision_device_data_st usbvision_device_data[] = { {0xFFF0, 0xFFF0, -1, CODEC_SAA7111, 3, V4L2_STD_NTSC, 1, 1, 1, 1, TUNER_PHILIPS_NTSC_M, -1, -1, -1, -1, -1, "Custom Dummy USBVision Device"}, {0x0A6F, 0x0400, -1, CODEC_SAA7113, 4, V4L2_STD_NTSC, 1, 0, 1, 0, 0, -1, -1, -1, -1, -1, "Xanboo"}, diff -r bc5e81e34bb5 -r ec6e4fff8839 linux/drivers/media/video/usbvision/usbvision-core.c --- a/linux/drivers/media/video/usbvision/usbvision-core.c Wed Nov 22 20:34:54 2006 -0200 +++ b/linux/drivers/media/video/usbvision/usbvision-core.c Sun Dec 03 22:32:36 2006 -0200 @@ -1,11 +1,12 @@ /* - * USB USBVISION Video device driver 0.9.8.3cvs (For Kernel 2.4.19-2.4.32 + 2.6.0-2.6.16) - * - * + * usbvision-core.c - driver for NT100x USB video capture devices + * * * Copyright (c) 1999-2005 Joerg Heckenbach + * Dwaine Garden * * This module is part of usbvision driver project. + * Updates to driver completed by Dwaine P. Garden * * 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 @@ -20,309 +21,6 @@ * 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 - * - * History: - * - * Mar. 2000 - 15.12.2000: (0.0.0 - 0.2.0) - * Several alpha drivers and the first beta. - * - * Since Dec. 2000: (0.2.1) or (v2.1) - * Code changes or updates by Dwaine Garden and every other person. - * - * Added: New Hauppauge TV device Vendor ID: 0x0573 - * Product ID: 0x4D01 - * (Thanks to Giovanni Garberoglio) - * - * Added: UK Hauppauge WinTV-USB Vendor ID: 0x0573 - * Product ID: 0x4D02 - * (Thanks to Derek Freeman-Jones) - * - * Feb, 2001 - Apr 08, 2001: (0.3.0) - * - Some fixes. Driver is now more stable. - * - Scratch is organized as ring-buffer now for better performance - * - DGA (overlay) is now supported. - * !!!!Danger!!!! Clipping is not yet implemented. Your system will - * crash if your video window leaves the screen!!! - * - Max. Framesize is set to 320x240. There isn't more memory on the - * nt1003 video device for the FIFO. - * - Supported video palettes: RGB565, RGB555, RGB24, RGB32 - * - * - * Apr 15, 2001: (0.3.1-test...) - * - Clipping is implemented - * - NTSC is now coloured (Thanks to Dwaine Garden) - * - Added SECAM colour detection in saa7111-new - * - Added: French Hauppauge WinTV USB Vendor ID: 0x0573 - * Product ID: 0x4D03 - * (Thanks to Julius Hrivnac) - * - Added: US Hauppauge WINTV USB Vendor ID: 0x0573 - * Product ID: 0x4D00 - * (Thanks to Derrick J Brashear) - * - Changes for adding new devices. There's now a table in usbvision.h. - * Adding your devices data to the usbvision_device_data table is all - * you need to add a new device. - * - * May 11, 2001: (0.3.2-test...) (Thanks to Derek Freeman-Jones) - * - Support YUV422 raw format for people with hardware scaling. - * - Only power on the device when opened (use option PowerOnAtOpen=0 to disable it). - * - Turn off audio so we can listen to Line In. - * - * July 5, 2001 - (Patch the driver to run with Kernel 2.4.6) - * - Fixed a problem with the number of parameters passed to video_register_device. - * - * July 6, 2001 - Added: HAUPPAUGE WINTV-USB FM USA Vendor ID: 0x0573 - * Product ID: 0x4D10 - * (Thanks to Braddock Gaskill) - * Added: USBGear USBG-V1 resp. HAMA USB - * Vendor ID: 0x0573 - * Product ID: 0x0003 - * (Thanks to Bradley A. Singletary and Juergen Weigert) - * - * Jan 24, 2002 - (0.3.3-test...) - * - Moved all global variables that are device specific the usb_usbvision struct - * - Fixed the 64x48 unchangable image in xawtv when starting it with overlay - * - Add VideoNorm and TunerType to the usb_device_data table - * - Checked the audio channels and mute for HAUPPAUGE WinTV USB FM - * - Implemented the power on when opening the device. But some software opens - * the device several times when starting. So the i2c parts are just registered - * by an open, when they become deregistered by the next close. You can speed - * up tuner detection, when adding "options tuner addr=your_addr" to /etc/modules.conf - * - Begin to resize the frame in width and height. So it will be possible to watch i.e. - * 384x288 pixels at 23 fps. - * - * Feb 10, 2002 - * - Added radio device - * - * - * Jul 30, 2002 - (Thanks Cameron Maxwell) - * - Changes to usbvision.h --fixed usbvision device data structure, incorrectly had (0x0573, 0x4d21) for WinTV-USB II, should be 0x4d20. - * - Changes for device WinTV-USB II (0x0573. 0x4D21). It does not have a FM tuner. - * - Added the real device HAUPPAUGE WINTV-USB II (PAL) to the device structure in usbvision.h. - * - Changes to saa7113-new, the video is 8 bit data for the Phillips SAA7113 not 16bit like SAA7111. - * - Tuned lots of setup registers for the Phillips SAA7113 video chipset. - * - Changes to the supplied makefile. (Dwaine Garden) Still needs to be fixed so it will compile modules on different distrubutions. - * - * - * Aug 10, 2002 - (Thanks Mike Klinke) - * - Changes to usbvision.txt -- Fixed instructions on the location to copy the contents of the tgz file. - * - Added device WinTV-USB FM Model 621 (0x0573. 0x4D30). There is another device which carries the same name. Kept that device in the device structure. - * - * Aug 12, 2002 - Dwaine Garden - * - Added the ability to read the NT100x chip for the MaxISOPacketLength and USB Bandwidth - * Setting of the video device. - * - Adjustments to the SAA7113H code for proper video output. - * - Changes to usbvision.h, so all the devices with FM tuners are working. - * - * Feb 10, 2003 - Joerg Heckenbach - * - fixed endian bug for Motorola PPC - * - * Feb 13, 2003 - Joerg Heckenbach - * - fixed Vin_Reg setting and presetting from usbvision_device_data() - * - * Apr 19, 2003 - Dwaine Garden - * - Fixed compiling errors under RedHat v9.0. from uvirt_to_kva and usbvision_mmap. (Thanks Cameron Maxwell) - * - Changed pte_offset to pte_offset_kernel. - * - Changed remap_page_range and added additional parameter to function. - * - Change setup parameters for the D-Link V100 USB device - * - Added a new device to the usbvision driver. Pinnacle Studio PCTV USB (PAL) 0x2304 0x0110 - * - Screwed up the sourceforge.net cvs respository! 8*) - * - * Apr 22, 2002 - Dwaine Garden - * - Added a new device to the usbvision driver. Dazzle DVC-80 (PAL) 0x07d0 0x0004. (Thanks Carl Anderson) - * - Changes to some of the comments. - * - * June 06, 2002 - Ivan, Dwaine Garden - * - Ivan updates for fine tuning device parameters without driver recompiling. (Ivan) - * - Changes to some of the comments. (Dwaine Garden) - * - Changes to the makefile - Better CPU settings. (Ivan) - * - Changes to device Hauppauge WinTv-USB III (PAL) FM Model 568 - Fine tuning parameters (Ivan) - * - * - * Oct 16, 2003 - 0.9.0 - Joerg Heckenbach - * - Implementation of the first part of the decompression algorithm for intra frames. - * The resolution has to be 320x240. A dynamic adaption of compression deepth is - * missing yet. - * - * Oct 22, 2003 - 0.9.1 - Joerg Heckenbach - * - Implementation of the decompression algorithm for inter frames. - * The resolution still has to be 320x240. - * - * Nov 2003 - Feb 2004 - 0.9.2 to 0.9.3 - Joerg Heckenbach - * - Implement last unknown compressed block type. But color is still noisy. - * - Finding criteria for adaptive compression adjustment. - * - Porting to 2.6 kernels, but still working under 2.4 - * - * Feb 04, 2004 - 0.9.4 Joerg Heckenbach - * - Found bug in color decompression. Color is OK now. - * - * Feb 09, 2004 - 0.9.5 Joerg Heckenbach - * - Add auto-recognition of chip type NT1003 or NT1004. - * - Add adaptive compression adjustment. - * - Patched saa7113 multiplexer switching (Thanks to Orlando F.S. Bordoni) - * - * Feb 24, 2004 - 0.9.6 Joerg Heckenbach - * - Add a timer to wait before poweroff at close, to save start time in - * some video applications - * - * Mar 4, 2004 - 0.9.6 Dwaine Garden - * - Added device Global Village GV-007 (NTSC) to usbvision.h (Thanks to Abe Skolnik) - * - Forgot to add this device to the driver. 8*) - * - * June 2, 2004 - 0.9.6 Dwaine Garden - * - Fixed sourceforge.net cvs repository. - * - Added #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,26) for .owner to help compiling under kernels 2.4.x which do not have the i2c v2.8.x updates. - * - Added device Hauppauge WinTv-USB III (PAL) FM Model 597 to usbvision.h - * - * July 1, 2004 -0.9.6 Dwaine Garden - * - Patch was submitted by Hal Finkel to fix the problem with the tuner not working under kernel 2.6.7. - * - Thanks Hal..... - * - * July 30, 2004 - 0.9.6 Dwaine Garden - * - Patch was submitted by Tobias Diaz to fix Model ID mismatch in usbvision.h. - * - Thanks..... - * - * August 12, 2004 - 0.9.6 Dwaine Garden - * - Updated the readme file so people could install the driver under the configuration file for kernel 2.6.x recompiles. Now people can use make xconfig! - * - Added new device "Camtel Technology Corp TVB330-USB FM". - * - Sourceforge.net CVS has been updated with all the changes. - * - * August 20, 2004 - 0.9.7 Dwaine Garden - * - Added Device "Hauppauge USB Live Model 600" - * - Fixed up all the devices which did not have a default tuner type in usbvision.h. It's best guess, at least until someone with the device tells me otherwise. - * - Sourceforge.net CVS has been updated with all the changes. - * - Clean up the driver. - * - * September 13, 2004 - 0.9.8 Dwaine Garden - * - Changed usbvision_muxsel to address the problem with black & white s-video output for NT1004 devices with saa7114 video decoder. Thanks to Emmanuel for the patch and testing. - * - Fixed up SECAM devices which could not properly output video. Changes to usbmuxsel. Thanks to Emmanuel for the patch and everyone with a SECAM device which help test. - * - Removed some commented out code. Clean up. - * - Tried to fix up the annoying empty directories in the sourceforge.net cvs. Fuck it up again. 8*( - * - * November 15, 2004 - 0.9.8 Dwaine Garden - * - Release new tar - 0.9.8 on sourceforge.net - * - Added some new devices to usbvision.h WinTV USB Model 602 40201 Rev B282, Hauppague WinTV USB Model 602 40201 Rev B285 - * - Added better compatibility for 2.6.x kernels. - * - Hardware full screen scaling in grabdisplay mode. - * - Better support for sysfs. More code to follow for both video device and radio device. Device information is located at /sys/class/video4linux/video0 - * - Added module_param so loaded module parameters are displayed in sysfs. Driver parameters should show up in /sys/module/usbvision - * - Adjusted the SAA7111 registers to match the 2.6.x kernel SAA7111 code. Thanks to the person which helped test. - * - Changed to wait_event_interruptible. For all the people running Fedora 2. - * - Added some screenshots of actual video captures on sourceforge.net. - * - * November 24, 2004 - 0.9.8.1cvs Dwaine Garden - * - Added patch to check for palette and format in VIDIOCSPICT. Helix Producer should work fine with the driver now. Thanks Jason Simpson - * - Two device description changes and two additions for the maintainer of usb.ids. - * - * December 2, 2004 - 0.9.8.1cvs Dwaine Garden - * - Added patch for YUV420P and YUV422P video output. Thanks to Alex Smith. - * - Better support for mythtv. - * - * January 2, 2005 - 0.9.8.1cvs Dwaine Garden - * - Setup that you can specify which device is used for video. Default is auto detect next available device number eg. /dev/videoX - * - Setup that you can specify which device is used for radio. Default is auto detect next available device number eg. /dev/radioX - * - usb_unlink_urb() is deprecated for synchronous unlinks. Using usb_kill_urb instead. - * - usbvision_kvirt_to_pa is deprecated. Removed. - * - Changes are related to kernel changes for 2.6.10. (Fedora 4) - * - * February 2, 2005 - 0.9.8.1cvs Dwaine Garden - * - Added a new device to usbvision.h Dazzle DVC 50. Thanks to Luiz S. - * - * March 29, 2005 - 0.9.8.1cvs Dwaine Garden - * - Fixed compile error with saa7113 under kernels 2.6.11+ - * - Added module parameter to help people with Black and White output with using s-video input. Some cables and input device are wired differently. - * - Removed the .id from the i2c usbvision template. There was a change to the i2c with kernels 2.6.11+. - * - * April 9, 2005 - 0.9.8.1cvs Dwaine Garden - * - Added in the 2.4 and 2.6 readme files the SwitchSVideoInput parameter information. This will help people setup the right values for the parameter. - * If your device experiences Black and White images with the S-Video Input. Set this parameter to 1 when loading the module. - * - Replaced the wrong 2.6 readme file. I lost the right version. Someone sent me the right version by e-mail. Thanks. - * - Released new module version on sourceforge.net. So everyone can enjoy all the fixes and additional device support. - * - * April 20, 2005 - 0.9.8.2cvs Dwaine Garden - * - Release lock in usbvision_v4l_read_done. -Thanks to nplanel for the patch. - * - Additional comments to the driver. - * - Fixed some spelling mistakes. 8*) - * - * April 23, 2005 - 0.9.8.2cvs Joerg Heckenbach - * - Found bug in usbvision line counting. Now there should be no spurious lines in the image any longer. - * - Swapped usbvision_register_video and usbvision_configure_video to fix problem with PowerOnAtOpen=0. - * Thanks to Erwan Velu - * - * April 26, 2005 - 0.9.8.2cvs Joerg Heckenbach - * - Fixed problem with rmmod module and oppses. Replaced vfree(usbvision->overlay_base) with iounmap(usbvision->overlay_base). - * - Added function usb_get_dev(dev) and ; To help with unloading the module multiple times without crashing. - * (Keep the reference count in kobjects correct) - * - * June 14, 2005 - 0.9.8.2cvs Dwaine - * - Missed a change in saa7113.c for checking kernel version. Added conditional if's. - * - * June 15, 2005 - 0.9.8.2cvs Dwaine - * - Added new device WinTV device VendorId 0573 and ProductId 4d29. - * - Hacked some support for newer NT1005 devices. This devices only seem to have one configuration, not multiple configurations like the NT1004. - * - * June 29, 2005 - 0.9.8.2cvs Dwaine - * - Added new device WinTV device VendorId 0573 and ProductId 4d37. - * - Because of the first empty entry in usbvision_table, modutils failed to create the necessary entries for modules.usbmap. - * This means hotplug won't work for usbvision. Thanks to Gary Ng. - * - Sent an e-mail to the maintainer of usb.ids. New devices identified need to be added. - * - Fixed compile error with saa7113 under kernel 2.6.12. - * - * July 6, 2005 - 0.9.8.2cvs Dwaine - * - Patch submitted by Gary Ng for two additional procfs entries. Device Input and Frequency setting. - * - * July 12, 2005 - 0.9.8.2cvs Dwaine - * - New tuner identified for some devices it's called TCL_MFPE05. This tuner uses the same API as tuner 38 in tuner.c. - * - Thanks to lynx31 for contacting Hauppage and asking them. - * - I have no clue as to which devices use this new tuner, so people will have to contact me and tell me. - * - * July 21, 2005 - 0.9.8.2cvs Dwaine - * - Patched usbvision.c with missing ifdef kernversion statement so the module will compile with older kernels and v4l. - * - Thanks to cipe007...... - * - * May 19, 2006 - 0.9.8.3cvs Dwaine - * - Patched usbvision.c and i2c-algo.c so they will compile with kernel 2.6.16 - * - Adjust device "Pinnacle Studio PCTV USB (PAL) FM" values in usbvision.h - * - * May 24, 2006 - 0.9.8.3cvs Dwaine - * -Pinnacle Studio PCTV USB (NTSC) FM uses saa7111, not saa7113 like first thought. - * -Updated usbvision.h - * - * Aug 15, 2006 - 0.9.8.3cvs Dwaine - * -Added saa711x module into cvs, since the newer saa7115 module in newer kernels is v4l2. The usbvision driver is only v4l. - * -Updated makefile to put compiled modules into correct location. - * - * Aug 21, 2006 - 0.9.8.3cvs Dwaine - * -Changed number of bytes for i2c write to 4 as per the NT100X spec sheet. Thanks to Merlum for finding it. - * -Remove the radio option for device Hauppauge WinTV USB device Model 40219 Rev E189. This device does not have a FM radio. Thanks to Shadwell. - * -Added radio option for device Hauppauge WinTV USB device Model 40219 Rev E189 again. Just got an e-mail indicating their device has one. 8*) - * - * Aug 27, 2006 - 0.9.8.3cvs Dwaine - * -Changed ifdef statement so the usbvision driver will compile with kernels at 2.6.12. - * -Updated readme files for new updated tuner list for v4l devices. - * - * - * - * 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 - * - Add v4l2 interface - * */ #include @@ -345,13 +43,6 @@ #include #include -#define USBVISION_DRIVER_VERSION_MAJOR 0 -#define USBVISION_DRIVER_VERSION_MINOR 8 -#define USBVISION_DRIVER_VERSION_PATCHLEVEL 0 - -#define USBVISION_VERSION __stringify(USBVISION_DRIVER_VERSION_MAJOR) "." __stringify(USBVISION_DRIVER_VERSION_MINOR) "." __stringify(USBVISION_DRIVER_VERSION_PATCHLEVEL) " " USBVISION_DRIVER_VERSION_COMMENT -#define USBVISION_DRIVER_VERSION KERNEL_VERSION(USBVISION_DRIVER_VERSION_MAJOR,USBVISION_DRIVER_VERSION_MINOR,USBVISION_DRIVER_VERSION_PATCHLEVEL) - #include #include #include @@ -372,99 +63,44 @@ #include "usbvision.h" -#define DRIVER_VERSION "0.9.8.3cvs for Linux kernels 2.4.19-2.4.32 + 2.6.0-2.6.17, compiled at "__DATE__", "__TIME__ -#define EMAIL "joerg@heckenbach-aw.de" -#define DRIVER_AUTHOR "Joerg Heckenbach , Dwaine Garden " -#define DRIVER_DESC "USBVision USB Video Device Driver for Linux" -#define DRIVER_LICENSE "GPL" -#define DRIVER_ALIAS "USBVision" +static unsigned int core_debug = 0; +module_param(core_debug,int,0644); +MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); + +static unsigned int force_testpattern = 0; +module_param(force_testpattern,int,0644); +MODULE_PARM_DESC(force_testpattern,"enable test pattern display [core]"); + +static int adjustCompression = 1; // Set the compression to be adaptive +module_param(adjustCompression, int, 0444); +MODULE_PARM_DESC(adjustCompression, " Set the ADPCM compression for the device. Default: 1 (On)"); + +static int SwitchSVideoInput = 0; // To help people with Black and White output with using s-video input. Some cables and input device are wired differently. +module_param(SwitchSVideoInput, int, 0444); +MODULE_PARM_DESC(SwitchSVideoInput, " Set the S-Video input. Some cables and input device are wired differently. Default: 0 (Off)"); #define ENABLE_HEXDUMP 0 /* Enable if you need it */ - -#define USBVISION_DEBUG /* Turn on debug messages */ #ifdef USBVISION_DEBUG #define PDEBUG(level, fmt, args...) \ - if (debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args) + if (core_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args) #else #define PDEBUG(level, fmt, args...) do {} while(0) #endif -#define DBG_IOCTL 1<<3 -#define DBG_IO 1<<4 -#define DBG_RIO 1<<5 -#define DBG_HEADER 1<<7 -#define DBG_PROBE 1<<8 -#define DBG_IRQ 1<<9 -#define DBG_ISOC 1<<10 -#define DBG_PARSE 1<<11 -#define DBG_SCRATCH 1<<12 -#define DBG_FUNC 1<<13 -#define DBG_I2C 1<<14 - -#define DEBUG(x...) /* General Debug */ -#define IODEBUG(x...) /* Debug IO */ -#define OVDEBUG(x...) /* Debug overlay */ -#define MDEBUG(x...) /* Debug memory management */ - -//String operations -#define rmspace(str) while(*str==' ') str++; -#define goto2next(str) while(*str!=' ') str++; while(*str==' ') str++; - - -static int usbvision_nr = 0; // sequential number of usbvision device -static unsigned long usbvision_timestamp = 0; // timestamp in jiffies of a hundred frame -static unsigned long usbvision_counter = 0; // frame counter +#define DBG_HEADER 1<<0 +#define DBG_IRQ 1<<1 +#define DBG_ISOC 1<<2 +#define DBG_PARSE 1<<3 +#define DBG_SCRATCH 1<<4 static const int max_imgwidth = MAX_FRAME_WIDTH; static const int max_imgheight = MAX_FRAME_HEIGHT; static const int min_imgwidth = MIN_FRAME_WIDTH; static const int min_imgheight = MIN_FRAME_HEIGHT; -#define FRAMERATE_MIN 0 -#define FRAMERATE_MAX 31 - - -enum { - ISOC_MODE_YUV422 = 0x03, - ISOC_MODE_YUV420 = 0x14, - ISOC_MODE_COMPRESS = 0x60, -}; - -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" } -}; - -/* supported tv norms */ -static struct usbvision_tvnorm tvnorms[] = { - { - .name = "PAL", - .id = V4L2_STD_PAL, - }, { - .name = "NTSC", - .id = V4L2_STD_NTSC, - }, { - .name = "SECAM", - .id = V4L2_STD_SECAM, - }, { - .name = "PAL-M", - .id = V4L2_STD_PAL_M, - } -}; - -#define TVNORMS ARRAY_SIZE(tvnorms) - - -/* - * The value of 'scratch_buf_size' affects quality of the picture +/* The value of 'scratch_buf_size' affects quality of the picture * in many ways. Shorter buffers may cause loss of data when client * is too slow. Larger buffers are memory-consuming and take longer * to work with. This setting can be adjusted, but the default value @@ -474,233 +110,10 @@ static const int scratch_buf_size = DEFA static const int scratch_buf_size = DEFAULT_SCRATCH_BUF_SIZE; // Function prototypes -static int usbvision_restart_isoc(struct usb_usbvision *usbvision); -static int usbvision_begin_streaming(struct usb_usbvision *usbvision); -static int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); -static int usbvision_i2c_write(void *data, unsigned char addr, char *buf, short len); -static int usbvision_i2c_read(void *data, unsigned char addr, char *buf, short len); -static int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); -static int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, unsigned char value); static int usbvision_request_intra (struct usb_usbvision *usbvision); static int usbvision_unrequest_intra (struct usb_usbvision *usbvision); static int usbvision_adjust_compression (struct usb_usbvision *usbvision); static int usbvision_measure_bandwidth (struct usb_usbvision *usbvision); -static void usbvision_release(struct usb_usbvision *usbvision); -static int usbvision_set_input(struct usb_usbvision *usbvision); -static int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); -static void usbvision_empty_framequeues(struct usb_usbvision *dev); -static int usbvision_stream_interrupt(struct usb_usbvision *dev); -static void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd, void *arg); - - -// Bit flags (options) -#define FLAGS_RETRY_VIDIOCSYNC (1 << 0) -#define FLAGS_MONOCHROME (1 << 1) -#define FLAGS_DISPLAY_HINTS (1 << 2) -#define FLAGS_OSD_STATS (1 << 3) -#define FLAGS_FORCE_TESTPATTERN (1 << 4) -#define FLAGS_SEPARATE_FRAMES (1 << 5) -#define FLAGS_CLEAN_FRAMES (1 << 6) - -// Default initalization of device driver parameters -static int flags = 0; // Set the default Overlay Display mode of the device driver -static int debug = 0; // Set the default Debug Mode of the device driver -static int isocMode = ISOC_MODE_COMPRESS; // Set the default format for ISOC endpoint -static int adjustCompression = 1; // Set the compression to be adaptive -static int dga = 1; // Set the default Direct Graphic Access -static int PowerOnAtOpen = 1; // Set the default device to power on at startup -static int SwitchSVideoInput = 0; // To help people with Black and White output with using s-video input. Some cables and input device are wired differently. -static int video_nr = -1; // Sequential Number of Video Device -static int radio_nr = -1; // Sequential Number of Radio Device -static int vbi_nr = -1; // Sequential Number of VBI Device -static char *CustomDevice=NULL; // Set as nothing.... - -// Grab parameters for the device driver - -#if defined(module_param) // Showing parameters under SYSFS -module_param(flags, int, 0444); -module_param(debug, int, 0444); -module_param(isocMode, int, 0444); -module_param(adjustCompression, int, 0444); -module_param(dga, int, 0444); -module_param(PowerOnAtOpen, int, 0444); -module_param(SwitchSVideoInput, int, 0444); -module_param(video_nr, int, 0444); -module_param(radio_nr, int, 0444); -module_param(vbi_nr, int, 0444); -module_param(CustomDevice, charp, 0444); -#else // Old Style -MODULE_PARM(flags, "i"); // Grab the Overlay Display mode of the device driver -MODULE_PARM(debug, "i"); // Grab the Debug Mode of the device driver -MODULE_PARM(isocMode, "i"); // Grab the video format of the video device -MODULE_PARM(adjustCompression, "i"); // Grab the compression to be adaptive -MODULE_PARM(dga, "i"); // Grab the Direct Graphic Access -MODULE_PARM(PowerOnAtOpen, "i"); // Grab the device to power on at startup -MODULE_PARM(SwitchSVideoInput, "i"); // To help people with Black and White output with using s-video input. Some cables and input device are wired differently. -MODULE_PARM(video_nr, "i"); // video_nr option allows to specify a certain /dev/videoX device (like /dev/video0 or /dev/video1 ...) -MODULE_PARM(radio_nr, "i"); // radio_nr option allows to specify a certain /dev/radioX device (like /dev/radio0 or /dev/radio1 ...) -MODULE_PARM(vbi_nr, "i"); // vbi_nr option allows to specify a certain /dev/vbiX device (like /dev/vbi0 or /dev/vbi1 ...) -MODULE_PARM(CustomDevice, "s"); // .... CustomDevice -#endif - -MODULE_PARM_DESC(flags, " Set the default Overlay Display mode of the device driver. Default: 0 (Off)"); -MODULE_PARM_DESC(debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); -MODULE_PARM_DESC(isocMode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); -MODULE_PARM_DESC(adjustCompression, " Set the ADPCM compression for the device. Default: 1 (On)"); -MODULE_PARM_DESC(dga, " Set the Direct Graphic Access for the device. Default: 1 (On)"); -MODULE_PARM_DESC(PowerOnAtOpen, " Set the default device to power on when device is opened. Default: 1 (On)"); -MODULE_PARM_DESC(SwitchSVideoInput, " Set the S-Video input. Some cables and input device are wired differently. Default: 0 (Off)"); -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)"); -MODULE_PARM_DESC(CustomDevice, " Define the fine tuning parameters for the device. Default: null"); - - -// Misc stuff -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE(DRIVER_LICENSE); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) - MODULE_VERSION(DRIVER_VERSION); - MODULE_ALIAS(DRIVER_ALIAS); -#endif - -#ifdef MODULE -static unsigned int autoload = 1; -#else -static unsigned int autoload = 0; -#endif - - -/****************************************************************************************/ -/* 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 */ -/****************************************************************************************/ - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) - -#define YES_NO(x) ((x) ? "Yes" : "No") - -static inline struct usb_usbvision *cd_to_usbvision(struct class_device *cd) -{ - struct video_device *vdev = to_video_device(cd); - return video_get_drvdata(vdev); -} - -static ssize_t show_version(struct class_device *cd, char *buf) -{ - return sprintf(buf, "%s\n", DRIVER_VERSION); -} -static CLASS_DEVICE_ATTR(version, S_IRUGO, show_version, NULL); - -static ssize_t show_model(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", usbvision_device_data[usbvision->DevModel].ModelString); -} -static CLASS_DEVICE_ATTR(model, S_IRUGO, show_model, NULL); - -static ssize_t show_hue(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->hue >> 8); -} -static CLASS_DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); - -static ssize_t show_contrast(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->contrast >> 8); -} -static CLASS_DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); - -static ssize_t show_brightness(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->brightness >> 8); -} -static CLASS_DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); - -static ssize_t show_saturation(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->saturation >> 8); -} -static CLASS_DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); - -static ssize_t show_streaming(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", YES_NO(usbvision->streaming==Stream_On?1:0)); -} -static CLASS_DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL); - -static ssize_t show_overlay(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", YES_NO(usbvision->overlay)); -} -static CLASS_DEVICE_ATTR(overlay, S_IRUGO, show_overlay, NULL); - -static ssize_t show_compression(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%s\n", YES_NO(usbvision->isocMode==ISOC_MODE_COMPRESS)); -} -static CLASS_DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL); - -static ssize_t show_device_bridge(struct class_device *class_dev, char *buf) -{ - struct video_device *vdev = to_video_device(class_dev); - struct usb_usbvision *usbvision = video_get_drvdata(vdev); - return sprintf(buf, "%d\n", usbvision->bridgeType); -} -static CLASS_DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL); - -static void usbvision_create_sysfs(struct video_device *vdev) -{ - int res; - if (vdev) { - res=video_device_create_file(vdev, &class_device_attr_version); - res=video_device_create_file(vdev, &class_device_attr_model); - res=video_device_create_file(vdev, &class_device_attr_hue); - res=video_device_create_file(vdev, &class_device_attr_contrast); - res=video_device_create_file(vdev, &class_device_attr_brightness); - res=video_device_create_file(vdev, &class_device_attr_saturation); - res=video_device_create_file(vdev, &class_device_attr_streaming); - res=video_device_create_file(vdev, &class_device_attr_overlay); - res=video_device_create_file(vdev, &class_device_attr_compression); - res=video_device_create_file(vdev, &class_device_attr_bridge); - } -} - -static void usbvision_remove_sysfs(struct video_device *vdev) -{ - if (vdev) { - video_device_remove_file(vdev, &class_device_attr_version); - video_device_remove_file(vdev, &class_device_attr_model); - video_device_remove_file(vdev, &class_device_attr_hue); - video_device_remove_file(vdev, &class_device_attr_contrast); - video_device_remove_file(vdev, &class_device_attr_brightness); - video_device_remove_file(vdev, &class_device_attr_saturation); - video_device_remove_file(vdev, &class_device_attr_streaming); - video_device_remove_file(vdev, &class_device_attr_overlay); - video_device_remove_file(vdev, &class_device_attr_compression); - video_device_remove_file(vdev, &class_device_attr_bridge); - } -} - -#endif /*******************************/ /* Memory management functions */ @@ -710,18 +123,6 @@ static void usbvision_remove_sysfs(struc * Here we want the physical address of the memory. * This is used when initializing the contents of the area. */ - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) -unsigned long usbvision_kvirt_to_pa(unsigned long adr) -{ - unsigned long kva, ret; - - kva = (unsigned long) page_address(vmalloc_to_page((void *)adr)); - kva |= adr & (PAGE_SIZE-1); /* restore the offset */ - ret = __pa(kva); - return ret; -} -#endif void *usbvision_rvmalloc(unsigned long size) { @@ -734,98 +135,91 @@ void *usbvision_rvmalloc(unsigned long s return NULL; memset(mem, 0, size); /* Clear the ram out, no junk to the user */ - adr = (unsigned long) mem; - while (size > 0) { - #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - mem_map_reserve(vmalloc_to_page((void *)adr)); - #else - SetPageReserved(vmalloc_to_page((void *)adr)); - #endif - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return mem; + adr = (unsigned long) mem; + while (size > 0) { + SetPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + return mem; } void usbvision_rvfree(void *mem, unsigned long size) { - unsigned long adr; - - if (!mem) - return; - - adr = (unsigned long) mem; - while ((long) size > 0) { - #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - mem_map_unreserve(vmalloc_to_page((void *)adr)); - #else - ClearPageReserved(vmalloc_to_page((void *)adr)); - #endif - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - vfree(mem); -} - + unsigned long adr; + + if (!mem) + return; + + size = PAGE_ALIGN(size); + + adr = (unsigned long) mem; + while ((long) size > 0) { + ClearPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + vfree(mem); +} #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,24) /* helper functions to access driver private data. */ static inline void *video_get_drvdata(struct video_device *dev) { - return dev->priv; + return dev->priv; } static inline void video_set_drvdata(struct video_device *dev, void *data) { - dev->priv = data; + dev->priv = data; } struct video_device *video_device_alloc(void) { - struct video_device *vfd; + struct video_device *vfd; #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) - vfd = kmalloc(sizeof(*vfd),GFP_KERNEL); - if (NULL == vfd) - return NULL; - memset(vfd,0,sizeof(*vfd)); + vfd = kmalloc(sizeof(*vfd),GFP_KERNEL); + if (NULL == vfd) + return NULL; + memset(vfd,0,sizeof(*vfd)); #else -vfd = kzalloc(sizeof(*vfd),GFP_KERNEL); - if (NULL == vfd) - return NULL; + vfd = kzalloc(sizeof(*vfd),GFP_KERNEL); + if (NULL == vfd) + return NULL; #endif - return vfd; + return vfd; } void video_device_release(struct video_device *vfd) { - kfree(vfd); + kfree(vfd); } #endif - - #if ENABLE_HEXDUMP static void usbvision_hexdump(const unsigned char *data, int len) { - char tmp[80]; - int i, k; - - for (i = k = 0; len > 0; i++, len--) { - if (i > 0 && (i % 16 == 0)) { - printk("%s\n", tmp); - k = 0; - } - k += sprintf(&tmp[k], "%02x ", data[i]); - } - if (k > 0) - printk("%s\n", tmp); + char tmp[80]; + int i, k; + + for (i = k = 0; len > 0; i++, len--) { + if (i > 0 && (i % 16 == 0)) { + printk("%s\n", tmp); + k = 0; + } + k += sprintf(&tmp[k], "%02x ", data[i]); + } + if (k > 0) + printk("%s\n", tmp); } #endif - -/* These procedures handle the scratch ring buffer */ +/******************************** + * scratch ring buffer handling + ********************************/ int scratch_len(struct usb_usbvision *usbvision) /*This returns the amount of data actually in the buffer */ { int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr; @@ -852,13 +246,6 @@ int scratch_free(struct usb_usbvision *u PDEBUG(DBG_SCRATCH, "return %d\n", free); return free; -} - - -void *debug_memcpy(void *dest, void *src, size_t len) -{ - printk(KERN_DEBUG "memcpy(%p, %p, %d);\n", dest, src, len); - return memcpy(dest, src, len); } @@ -1019,244 +406,24 @@ void scratch_reset(struct usb_usbvision usbvision->isocstate = IsocState_NoFrame; } - - -/* Here comes the OVERLAY stuff */ - -/* Tell the interrupt handler what to to. */ -static -void usbvision_cap(struct usb_usbvision* usbvision, int on) -{ - DEBUG(printk(KERN_DEBUG "usbvision_cap: overlay was %d, set it to %d\n", usbvision->overlay, on);) - - if (on) { - usbvision->overlay = 1; - } - else { - usbvision->overlay = 0; - } -} - - - - -/* append a new clipregion to the vector of video_clips */ -static -void usbvision_new_clip(struct v4l2_format* vf, struct v4l2_clip* vcp, int x, int y, int w, int h) -{ - vcp[vf->fmt.win.clipcount].c.left = x; - vcp[vf->fmt.win.clipcount].c.top = y; - vcp[vf->fmt.win.clipcount].c.width = w; - vcp[vf->fmt.win.clipcount].c.height = h; - vf->fmt.win.clipcount++; -} - - -#define mark_pixel(x,y) usbvision->clipmask[((x) + (y) * MAX_FRAME_WIDTH)/32] |= 0x00000001<<((x)%32) -#define clipped_pixel(index) usbvision->clipmask[(index)/32] & (0x00000001<<((index)%32)) - -static -void usbvision_built_overlay(struct usb_usbvision* usbvision, int count, struct v4l2_clip *vcp) -{ - usbvision->overlay_win = usbvision->overlay_base + - (signed int)usbvision->vid_win.fmt.win.w.left * usbvision->depth / 8 + - (signed int)usbvision->vid_win.fmt.win.w.top * usbvision->vid_buf.fmt.bytesperline; - - IODEBUG(printk(KERN_DEBUG "built_overlay base=%p, win=%p, bpl=%d, clips=%d, size=%dx%d\n", - usbvision->overlay_base, usbvision->overlay_win, - usbvision->vid_buf.fmt.bytesperline, count, - usbvision->vid_win.fmt.win.w.width, usbvision->vid_win.fmt.win.w.height);) - - - /* Add here generation of clipping mask */ -{ - int x_start, x_end, y_start, y_end; - int clip_index, x, y; - - memset(usbvision->clipmask, 0, USBVISION_CLIPMASK_SIZE); - - OVDEBUG(printk(KERN_DEBUG "clips = %d\n", count);) - - for(clip_index = 0; clip_index < count; clip_index++) { - OVDEBUG(printk(KERN_DEBUG "clip: %d,%d,%d,%d\n", vcp[clip_index].x, - vcp[clip_index].y, - vcp[clip_index].width, - vcp[clip_index].height);) - - x_start = vcp[clip_index].c.left; - if(x_start >= (int)usbvision->vid_win.fmt.win.w.width) { - OVDEBUG(printk(KERN_DEBUG "x_start=%d\n", x_start);) - continue; //clipping window is right of overlay window - } - x_end = x_start + vcp[clip_index].c.width; - if(x_end <= 0) { - OVDEBUG(printk(KERN_DEBUG "x_end=%d\n", x_end);) - continue; //clipping window is left of overlay window - } - - y_start = vcp[clip_index].c.top; - if(y_start >= (int)usbvision->vid_win.fmt.win.w.height) { - OVDEBUG(printk(KERN_DEBUG "y_start=%d\n", y_start);) - continue; //clipping window is below overlay window - } - y_end = y_start + vcp[clip_index].c.height; - if(y_end <= 0) { - OVDEBUG(printk(KERN_DEBUG "y_end=%d\n", y_end);) - continue; //clipping window is above overlay window - } - - //clip the clipping window - if (x_start < 0) { - x_start = 0; - } - if (x_end > (int)usbvision->vid_win.fmt.win.w.width) { - x_end = (int)usbvision->vid_win.fmt.win.w.width; - } - if (y_start < 0) { - y_start = 0; - } - if (y_end > (int)usbvision->vid_win.fmt.win.w.height) { - y_end = (int)usbvision->vid_win.fmt.win.w.height; - } - - OVDEBUG(printk(KERN_DEBUG "clip_o: %d,%d,%d,%d\n", x_start, y_start, x_end, y_end);) - - - - for(y = y_start; y < y_end; y++) { - for(x = x_start; x < x_end; x++) { - mark_pixel(x,y); - } - } - } -} - -} - - - -void usbvision_osd_char(struct usb_usbvision *usbvision, - struct usbvision_frame *frame, int x, int y, int ch) -{ - static const unsigned short digits[16] = { - 0xF6DE, /* 0 */ - 0x2492, /* 1 */ - 0xE7CE, /* 2 */ - 0xE79E, /* 3 */ - 0xB792, /* 4 */ - 0xF39E, /* 5 */ - 0xF3DE, /* 6 */ - 0xF492, /* 7 */ - 0xF7DE, /* 8 */ - 0xF79E, /* 9 */ - 0x77DA, /* a */ - 0xD75C, /* b */ - 0xF24E, /* c */ - 0xD6DC, /* d */ - 0xF34E, /* e */ - 0xF348 /* f */ - }; - unsigned short digit; - int ix, iy; - - if ((usbvision == NULL) || (frame == NULL)) - return; - - if (ch >= '0' && ch <= '9') - ch -= '0'; - else if (ch >= 'A' && ch <= 'F') - ch = 10 + (ch - 'A'); - else if (ch >= 'a' && ch <= 'f') - ch = 10 + (ch - 'a'); - else - return; - digit = digits[ch]; - - for (iy = 0; iy < 5; iy++) { - for (ix = 0; ix < 3; ix++) { - if (digit & 0x8000) { - // USBVISION_PUTPIXEL(frame, x + ix, y + iy, - // 0xFF, 0xFF, 0xFF); - } - digit = digit << 1; - } - } -} - - -void usbvision_osd_string(struct usb_usbvision *usbvision, - struct usbvision_frame *frame, - int x, int y, const char *str) -{ - while (*str) { - usbvision_osd_char(usbvision, frame, x, y, *str); - str++; - x += 4; /* 3 pixels character + 1 space */ - } -} - -/* - * usb_usbvision_osd_stats() - * - * On screen display of important debugging information. - * - */ -void usbvision_osd_stats(struct usb_usbvision *usbvision, - struct usbvision_frame *frame) -{ - const int y_diff = 8; - char tmp[16]; - int x = 10; - int y = 10; - - sprintf(tmp, "%8x", usbvision->frame_num); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->isocUrbCount); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->urb_length); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->isocDataCount); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->header_count); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->scratch_ovf_count); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->isocSkipCount); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8lx", usbvision->isocErrCount); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8x", usbvision->saturation); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8x", usbvision->hue); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8x", usbvision->brightness >> 8); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - - sprintf(tmp, "%8x", usbvision->contrast >> 12); - usbvision_osd_string(usbvision, frame, x, y, tmp); - y += y_diff; - +int usbvision_scratch_alloc(struct usb_usbvision *usbvision) +{ + usbvision->scratch = vmalloc(scratch_buf_size); + scratch_reset(usbvision); + if(usbvision->scratch == NULL) { + err("%s: unable to allocate %d bytes for scratch", + __FUNCTION__, scratch_buf_size); + return -ENOMEM; + } + return 0; +} + +void usbvision_scratch_free(struct usb_usbvision *usbvision) +{ + if (usbvision->scratch != NULL) { + vfree(usbvision->scratch); + usbvision->scratch = NULL; + } } /* @@ -1342,14 +509,40 @@ void usbvision_testpattern(struct usb_us frame->scanlength += scan_length; ++num_pass; - /* We do this unconditionally, regardless of FLAGS_OSD_STATS */ - usbvision_osd_stats(usbvision, frame); -} - -/* +} + +/* + * usbvision_decompress_alloc() + * + * allocates intermediate buffer for decompression + */ +int usbvision_decompress_alloc(struct usb_usbvision *usbvision) +{ + int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2; + usbvision->IntraFrameBuffer = vmalloc(IFB_size); + if (usbvision->IntraFrameBuffer == NULL) { + err("%s: unable to allocate %d for compr. frame buffer", __FUNCTION__, IFB_size); + return -ENOMEM; + } + return 0; +} + +/* + * usbvision_decompress_free() + * + * frees intermediate buffer for decompression + */ +void usbvision_decompress_free(struct usb_usbvision *usbvision) +{ + if (usbvision->IntraFrameBuffer != NULL) { + vfree(usbvision->IntraFrameBuffer); + usbvision->IntraFrameBuffer = NULL; + } +} + +/************************************************************ * Here comes the data parsing stuff that is run as interrupt - */ - + ************************************************************/ /* * usbvision_find_header() * @@ -1360,12 +553,7 @@ static enum ParseState usbvision_find_he struct usbvision_frame *frame; int foundHeader = 0; - if (usbvision->overlay) { - frame = &usbvision->overlay_frame; - } - else { - frame = usbvision->curFrame; - } + frame = usbvision->curFrame; while (scratch_get_header(usbvision, &frame->isocHeader) == USBVISION_HEADER_LENGTH) { // found header in scratch @@ -1423,7 +611,7 @@ static enum ParseState usbvision_find_he frame->scanstate = ScanState_Lines; frame->curline = 0; - if (flags & FLAGS_FORCE_TESTPATTERN) { + if (force_testpattern) { usbvision_testpattern(usbvision, 1, 1); return ParseState_NextFrame; } @@ -1440,22 +628,10 @@ static enum ParseState usbvision_parse_l unsigned char yuyv[4]={180, 128, 10, 128}; // YUV components unsigned char rv, gv, bv; // RGB components int clipmask_index, bytes_per_pixel; - int overlay = usbvision->overlay; int stretch_bytes, clipmask_add; - if (overlay) { - frame = &usbvision->overlay_frame; - if (usbvision->overlay_base == NULL) { - //video_buffer is not set yet - return ParseState_NextFrame; - } - f = usbvision->overlay_win + frame->curline * - usbvision->vid_buf.fmt.bytesperline; - } - else { - frame = usbvision->curFrame; - f = frame->data + (frame->v4l2_linesize * frame->curline); - } + frame = usbvision->curFrame; + f = frame->data + (frame->v4l2_linesize * frame->curline); /* Make sure there's enough data for the entire line */ len = (frame->isocHeader.frameWidth * 2)+5; @@ -1477,10 +653,7 @@ static enum ParseState usbvision_parse_l scratch_get(usbvision, &yuyv[0], 4); - if((overlay) && (clipped_pixel(clipmask_index))) { - f += bytes_per_pixel; - } - else if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f++ = yuyv[0]; // Y *f++ = yuyv[3]; // U } @@ -1512,10 +685,7 @@ static enum ParseState usbvision_parse_l clipmask_index += clipmask_add; f += stretch_bytes; - if((overlay) && (clipped_pixel(clipmask_index))) { - f += bytes_per_pixel; - } - else if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f++ = yuyv[2]; // Y *f++ = yuyv[1]; // V } @@ -1559,7 +729,7 @@ static enum ParseState usbvision_parse_l } } - +/* The decompression routine */ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *Compressed, unsigned char *Decompressed, int *StartPos, int *BlockTypeStartPos, int Len) @@ -1669,45 +839,31 @@ static enum ParseState usbvision_parse_c unsigned char StripHeader[USBVISION_STRIP_HEADER_LEN]; int Idx, IdxEnd, StripLen, StripPtr, StartBlockPos, BlockPos, BlockTypePos; int clipmask_index, bytes_per_pixel, rc; - int overlay = usbvision->overlay; int imageSize; unsigned char rv, gv, bv; static unsigned char *Y, *U, *V; - if (overlay) { - frame = &usbvision->overlay_frame; - imageSize = frame->frmwidth * frame->frmheight; - if (usbvision->overlay_base == NULL) { - //video_buffer is not set yet - return ParseState_NextFrame; - } - f = usbvision->overlay_win + frame->curline * - usbvision->vid_buf.fmt.bytesperline; - } - else { - frame = usbvision->curFrame; - imageSize = frame->frmwidth * frame->frmheight; - if ( (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) || - (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) ) - { // this is a planar format - //... v4l2_linesize not used here. - f = frame->data + (frame->width * frame->curline); - } else - f = frame->data + (frame->v4l2_linesize * frame->curline); - - if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV){ //initialise u and v pointers - // get base of u and b planes add halfoffset - - u = frame->data - + imageSize - + (frame->frmwidth >>1) * frame->curline ; - v = u + (imageSize >>1 ); - - } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420){ - - v = frame->data + imageSize + ((frame->curline* (frame->width))>>2) ; - u = v + (imageSize >>2) ; - } + frame = usbvision->curFrame; + imageSize = frame->frmwidth * frame->frmheight; + if ( (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) || + (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) ) { // this is a planar format + //... v4l2_linesize not used here. + f = frame->data + (frame->width * frame->curline); + } else + f = frame->data + (frame->v4l2_linesize * frame->curline); + + if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV){ //initialise u and v pointers + // get base of u and b planes add halfoffset + + u = frame->data + + imageSize + + (frame->frmwidth >>1) * frame->curline ; + v = u + (imageSize >>1 ); + + } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420){ + + v = frame->data + imageSize + ((frame->curline* (frame->width))>>2) ; + u = v + (imageSize >>2) ; } if (frame->curline == 0) { @@ -1793,10 +949,7 @@ static enum ParseState usbvision_parse_c } for (Idx = 0; Idx < IdxEnd; Idx++) { - if((overlay) && (clipped_pixel(clipmask_index))) { - f += bytes_per_pixel; - } - else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f++ = Y[Idx]; *f++ = Idx & 0x01 ? U[Idx/2] : V[Idx/2]; } @@ -1893,23 +1046,10 @@ static enum ParseState usbvision_parse_l unsigned char g; int clipmask_even_index, clipmask_odd_index, bytes_per_pixel; int clipmask_add, stretch_bytes; - int overlay = usbvision->overlay; - - if (overlay) { - frame = &usbvision->overlay_frame; - if (usbvision->overlay_base == NULL) { - //video_buffer is not set yet - return ParseState_NextFrame; - } - f_even = usbvision->overlay_win + frame->curline * - usbvision->vid_buf.fmt.bytesperline; - f_odd = f_even + usbvision->vid_buf.fmt.bytesperline * usbvision->stretch_height; - } - else { - frame = usbvision->curFrame; - f_even = frame->data + (frame->v4l2_linesize * frame->curline); - f_odd = f_even + frame->v4l2_linesize * usbvision->stretch_height; - } + + frame = usbvision->curFrame; + f_even = frame->data + (frame->v4l2_linesize * frame->curline); + f_odd = f_even + frame->v4l2_linesize * usbvision->stretch_height; /* Make sure there's enough data for the entire line */ /* In this mode usbvision transfer 3 bytes for every 2 pixels */ @@ -1956,10 +1096,7 @@ static enum ParseState usbvision_parse_l uvg= -53281 * u_ - 25625 * v_; ur = 104595 * u_; - if((overlay) && (clipped_pixel(clipmask_even_index))) { - f_even += bytes_per_pixel; - } - else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f_even++ = y[0]; *f_even++ = v; } @@ -1998,10 +1135,7 @@ static enum ParseState usbvision_parse_l clipmask_even_index += clipmask_add; f_even += stretch_bytes; - if((overlay) && (clipped_pixel(clipmask_even_index))) { - f_even += bytes_per_pixel; - } - else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f_even++ = y[1]; *f_even++ = u; } @@ -2042,10 +1176,7 @@ static enum ParseState usbvision_parse_l scratch_get_extra(usbvision, &y[0], &y_ptr, 2); - if ((overlay) && (clipped_pixel(clipmask_odd_index))) { - f_odd += bytes_per_pixel; - } - else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f_odd++ = y[0]; *f_odd++ = v; } @@ -2084,10 +1215,7 @@ static enum ParseState usbvision_parse_l clipmask_odd_index += clipmask_add; f_odd += stretch_bytes; - if((overlay) && (clipped_pixel(clipmask_odd_index))) { - f_odd += bytes_per_pixel; - } - else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { + if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { *f_odd++ = y[1]; *f_odd++ = u; } @@ -2163,12 +1291,7 @@ static void usbvision_parse_data(struct long copylen = 0; unsigned long lock_flags; - if (usbvision->overlay) { - frame = &usbvision->overlay_frame; - } - else { - frame = usbvision->curFrame; - } + frame = usbvision->curFrame; PDEBUG(DBG_PARSE, "parsing len=%d\n", scratch_len(usbvision)); @@ -2207,23 +1330,13 @@ static void usbvision_parse_data(struct frame->grabstate = FrameState_Done; do_gettimeofday(&(frame->timestamp)); frame->sequence = usbvision->frame_num; - if (usbvision->overlay) { - frame->grabstate = FrameState_Grabbing; - frame->scanstate = ScanState_Scanning; - frame->scanlength = 0; - copylen = 0; - } - else { - spin_lock_irqsave(&usbvision->queue_lock, lock_flags); - list_move_tail(&(frame->frame), &usbvision->outqueue); - usbvision->curFrame = NULL; - spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); - } + + spin_lock_irqsave(&usbvision->queue_lock, lock_flags); + list_move_tail(&(frame->frame), &usbvision->outqueue); + usbvision->curFrame = NULL; + spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags); + usbvision->frame_num++; - - /* Optionally display statistics on the screen */ - if (flags & FLAGS_OSD_STATS) - usbvision_osd_stats(usbvision, frame); /* This will cause the process to request another frame. */ if (waitqueue_active(&usbvision->wait_frame)) { @@ -2366,7 +1479,7 @@ static void usbvision_isocIrq(struct urb /* If we collected enough data let's parse! */ if (scratch_len(usbvision) > USBVISION_HEADER_LENGTH) { /* 12 == header_length */ /*If we don't have a frame we're current working on, complain */ - if((!list_empty(&(usbvision->inqueue))) || (usbvision->overlay)) { + if(!list_empty(&(usbvision->inqueue))) { if (!(*f)) { (*f) = list_entry(usbvision->inqueue.next,struct usbvision_frame, frame); } @@ -2415,7 +1528,7 @@ static void usbvision_isocIrq(struct urb * >= 0 -> Data */ -static int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg) +int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg) { int errCode = 0; unsigned char buffer[1]; @@ -2443,7 +1556,7 @@ static int usbvision_read_reg(struct usb * -1 -> Something went wrong */ -static int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, +int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, unsigned char value) { int errCode = 0; @@ -2532,59 +1645,6 @@ static int usbvision_write_reg_irq(struc } -#if 0 -static int usbvision_read_reg_irq(struct usb_usbvision *usbvision,int address, - unsigned char *data, int len) -{ - int errCode = 0; - - PDEBUG(DBG_IRQ, ""); - if (len > 8) { - return -EFAULT; - } - - down(&usbvision->ctrlUrbLock); - if (usbvision->ctrlUrbBusy) { - up(&usbvision->ctrlUrbLock); - return -EBUSY; - } - - usbvision->ctrlUrbBusy = 1; - up(&usbvision->ctrlUrbLock); - - usbvision->ctrlUrbSetup.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT; - usbvision->ctrlUrbSetup.bRequest = USBVISION_OP_CODE; - usbvision->ctrlUrbSetup.wValue = 0; - usbvision->ctrlUrbSetup.wIndex = cpu_to_le16(address); - usbvision->ctrlUrbSetup.wLength = cpu_to_le16(len); - - usb_fill_control_urb (usbvision->ctrlUrb, usbvision->dev, - usb_rcvctrlpipe(usbvision->dev, 1), - (unsigned char *)&usbvision->ctrlUrbSetup, - (void *)usbvision->ctrlUrbBuffer, len, - usbvision_ctrlUrb_complete, - (void *)usbvision); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - errCode = usb_submit_urb(usbvision->ctrlUrb); -#else - errCode = usb_submit_urb(usbvision->ctrlUrb, GFP_ATOMIC); -#endif - if (errCode < 0) { - // error in usb_submit_urb() - usbvision->ctrlUrbBusy = 0; - } - else { - wait_event_interruptible(usbvision->ctrlUrb_wq, usbvision->ctrlUrbBusy == 0); - memcpy(data, usbvision->ctrlUrbBuffer, len); - } - - PDEBUG(DBG_IRQ, "read %d byte: error %d", len, errCode); - return errCode; -} -#endif - - static int usbvision_init_compression(struct usb_usbvision *usbvision) { int errCode = 0; @@ -2692,342 +1752,11 @@ static int usbvision_unrequest_intra (st return errCode; } -/* ----------------------------------------------------------------------- */ -/* I2C functions */ -/* ----------------------------------------------------------------------- */ - -static void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd, - void *arg) -{ - BUG_ON(NULL == usbvision->i2c_adap.algo_data); - i2c_clients_command(&usbvision->i2c_adap, cmd, arg); -} - -static int attach_inform(struct i2c_client *client) -{ - struct usb_usbvision *usbvision; - - usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter); - - switch (client->addr << 1) { - case 0x43: - case 0x4b: - { - struct tuner_setup tun_setup; - - tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; - tun_setup.type = TUNER_TDA9887; - tun_setup.addr = client->addr; - - call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup); - - break; - } - case 0x42: - PDEBUG(DBG_I2C,"attach_inform: saa7114 detected.\n"); - break; - case 0x4a: - PDEBUG(DBG_I2C,"attach_inform: saa7113 detected.\n"); - break; - case 0xa0: - PDEBUG(DBG_I2C,"attach_inform: eeprom detected.\n"); - break; - - default: - PDEBUG(DBG_I2C,"attach inform: detected I2C address %x\n", client->addr << 1); - { - struct tuner_setup tun_setup; - - usbvision->tuner_addr = client->addr; - - if ((usbvision->have_tuner) && (usbvision->tuner_type != -1)) { - tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; - tun_setup.type = usbvision->tuner_type; - tun_setup.addr = usbvision->tuner_addr; - call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup); - } - } - break; - } - return 0; -} - -static int detach_inform(struct i2c_client *client) -{ - struct usb_usbvision *usbvision; - - #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - usbvision = (struct usb_usbvision *)client->adapter->data; - #else - usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter); - #endif - - PDEBUG(DBG_I2C, "usbvision[%d] detaches %s", usbvision->nr, client->name); - return 0; -} - -static int -usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr, - char *buf, short len) -{ - int rc, retries; - - for (retries = 5;;) { - rc = usbvision_write_reg(usbvision, USBVISION_SER_ADRS, addr); - if (rc < 0) - return rc; - - /* Initiate byte read cycle */ - /* USBVISION_SER_CONT <- d0-d2 n. of bytes to r/w */ - /* d3 0=Wr 1=Rd */ - rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, - (len & 0x07) | 0x18); - if (rc < 0) - return rc; - - /* Test for Busy and ACK */ - do { - /* USBVISION_SER_CONT -> d4 == 0 busy */ - rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT); - } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */ - if (rc < 0) - return rc; - - /* USBVISION_SER_CONT -> d5 == 1 Not ack */ - if ((rc & 0x20) == 0) /* Ack? */ - break; - - /* I2C abort */ - rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00); - if (rc < 0) - return rc; - - if (--retries < 0) - return -1; - } - - switch (len) { - case 4: - buf[3] = usbvision_read_reg(usbvision, USBVISION_SER_DAT4); - case 3: - buf[2] = usbvision_read_reg(usbvision, USBVISION_SER_DAT3); - case 2: - buf[1] = usbvision_read_reg(usbvision, USBVISION_SER_DAT2); - case 1: - buf[0] = usbvision_read_reg(usbvision, USBVISION_SER_DAT1); - break; - default: - printk(KERN_ERR - "usbvision_i2c_read_max4: buffer length > 4\n"); - } - - if (debug & DBG_I2C) { - int idx; - for (idx = 0; idx < len; idx++) { - PDEBUG(DBG_I2C, "read %x from address %x", (unsigned char)buf[idx], addr); - } - } - return len; -} - - -static int usbvision_i2c_write_max4(struct usb_usbvision *usbvision, - unsigned char addr, const char *buf, - short len) -{ - int rc, retries; - int i; - unsigned char value[6]; - unsigned char ser_cont; - - ser_cont = (len & 0x07) | 0x10; - - value[0] = addr; - value[1] = ser_cont; - for (i = 0; i < len; i++) - value[i + 2] = buf[i]; - - for (retries = 5;;) { - rc = usb_control_msg(usbvision->dev, - usb_sndctrlpipe(usbvision->dev, 1), - USBVISION_OP_CODE, - USB_DIR_OUT | USB_TYPE_VENDOR | - USB_RECIP_ENDPOINT, 0, - (__u16) USBVISION_SER_ADRS, value, - len + 2, HZ); - - if (rc < 0) - return rc; - - rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, - (len & 0x07) | 0x10); - if (rc < 0) - return rc; - - /* Test for Busy and ACK */ - do { - rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT); - } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */ - if (rc < 0) - return rc; - - if ((rc & 0x20) == 0) /* Ack? */ - break; - - /* I2C abort */ - usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00); - - if (--retries < 0) - return -1; - - } - - if (debug & DBG_I2C) { - int idx; - for (idx = 0; idx < len; idx++) { - PDEBUG(DBG_I2C, "wrote %x at address %x", (unsigned char)buf[idx], addr); - } - } - return len; -} - -static int usbvision_i2c_write(void *data, unsigned char addr, char *buf, - short len) -{ - char *bufPtr = buf; - int retval; - int wrcount = 0; - int count; - int maxLen = 4; - struct usb_usbvision *usbvision = (struct usb_usbvision *) data; - - while (len > 0) { - count = (len > maxLen) ? maxLen : len; - retval = usbvision_i2c_write_max4(usbvision, addr, bufPtr, count); - if (retval > 0) { - len -= count; - bufPtr += count; - wrcount += count; - } else - return (retval < 0) ? retval : -EFAULT; - } - return wrcount; -} - -static int usbvision_i2c_read(void *data, unsigned char addr, char *buf, - short len) -{ - char temp[4]; - int retval, i; - int rdcount = 0; - int count; - struct usb_usbvision *usbvision = (struct usb_usbvision *) data; - - while (len > 0) { - count = (len > 3) ? 4 : len; - retval = usbvision_i2c_read_max4(usbvision, addr, temp, count); - if (retval > 0) { - for (i = 0; i < len; i++) - buf[rdcount + i] = temp[i]; - len -= count; - rdcount += count; - } else - return (retval < 0) ? retval : -EFAULT; - } - return rdcount; -} - -static struct i2c_algo_usb_data i2c_algo_template = { - .data = NULL, - .inb = usbvision_i2c_read, - .outb = usbvision_i2c_write, - .udelay = 10, - .mdelay = 10, - .timeout = 100, -}; - -static struct i2c_adapter i2c_adap_template = { -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, -#endif - .name = "usbvision", - .id = I2C_HW_B_BT848, /* FIXME */ - .algo = NULL, - .algo_data = NULL, - .client_register = attach_inform, - .client_unregister = detach_inform, -#if defined (I2C_ADAP_CLASS_TV_ANALOG) - .class = I2C_ADAP_CLASS_TV_ANALOG, -#elif defined (I2C_CLASS_TV_ANALOG) - .class = I2C_CLASS_TV_ANALOG, -#endif -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - .data = NULL, -#endif -}; - -static struct i2c_client i2c_client_template = { - .name = "usbvision internal", -#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 11) - .id = -1, -#endif - .flags = 0, - .addr = 0, - .adapter = NULL, - .driver = NULL, -}; - -static int usbvision_init_i2c(struct usb_usbvision *usbvision) -{ - memcpy(&usbvision->i2c_adap, &i2c_adap_template, - sizeof(struct i2c_adapter)); - memcpy(&usbvision->i2c_algo, &i2c_algo_template, - sizeof(struct i2c_algo_usb_data)); - memcpy(&usbvision->i2c_client, &i2c_client_template, - sizeof(struct i2c_client)); - - sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name), - " #%d", usbvision->vdev->minor & 0x1f); - PDEBUG(DBG_I2C, "Adaptername: %s", usbvision->i2c_adap.name); - - i2c_set_adapdata(&usbvision->i2c_adap, usbvision); - i2c_set_clientdata(&usbvision->i2c_client, usbvision); - i2c_set_algo_usb_data(&usbvision->i2c_algo, usbvision); - - usbvision->i2c_adap.algo_data = &usbvision->i2c_algo; - usbvision->i2c_client.adapter = &usbvision->i2c_adap; - - if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) { - printk(KERN_ERR "usbvision_init_i2c: can't wirte reg\n"); - return -EBUSY; - } - -#ifdef CONFIG_KMOD - /* Request the load of the i2c modules we need */ - if (autoload) { - switch (usbvision_device_data[usbvision->DevModel].Codec) { - case CODEC_SAA7113: - request_module("saa7115"); - break; - case CODEC_SAA7111: - request_module("saa7115"); - break; - } - if (usbvision_device_data[usbvision->DevModel].Tuner == 1) { - request_module("tuner"); - } - } -#endif - - return usbvision_i2c_usb_add_bus(&usbvision->i2c_adap); -} - - -/****************************/ -/* usbvision utility functions */ -/****************************/ - -static int usbvision_power_off(struct usb_usbvision *usbvision) +/******************************* + * usbvision utility functions + *******************************/ + +int usbvision_power_off(struct usb_usbvision *usbvision) { int errCode = 0; @@ -3039,22 +1768,6 @@ static int usbvision_power_off(struct us } PDEBUG(DBG_FUNC, "%s: errCode %d", (errCode!=1)?"ERROR":"power is off", errCode); return errCode; -} - - -// to call usbvision_power_off from task queue -static void call_usbvision_power_off(void *_usbvision) -{ - struct usb_usbvision *usbvision = _usbvision; - - PDEBUG(DBG_FUNC, ""); - down_interruptible(&usbvision->lock); - if(usbvision->user == 0) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - up(&usbvision->lock); } @@ -3101,8 +1814,8 @@ static int usbvision_set_video_format(st * */ -static int usbvision_set_output(struct usb_usbvision *usbvision, int width, - int height) +int usbvision_set_output(struct usb_usbvision *usbvision, int width, + int height) { int errCode = 0; int UsbWidth, UsbHeight; @@ -3197,10 +1910,62 @@ static int usbvision_set_output(struct u /* + * usbvision_frames_alloc + * allocate the maximum frames this driver can manage + */ +int usbvision_frames_alloc(struct usb_usbvision *usbvision) +{ + int i; + + /* Allocate memory for the frame buffers */ + usbvision->max_frame_size = MAX_FRAME_SIZE; + usbvision->fbuf_size = USBVISION_NUMFRAMES * usbvision->max_frame_size; + usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size); + + if(usbvision->fbuf == NULL) { + err("%s: unable to allocate %d bytes for fbuf ", + __FUNCTION__, usbvision->fbuf_size); + return -ENOMEM; + } + spin_lock_init(&usbvision->queue_lock); + init_waitqueue_head(&usbvision->wait_frame); + init_waitqueue_head(&usbvision->wait_stream); + + /* Allocate all buffers */ + for (i = 0; i < USBVISION_NUMFRAMES; i++) { + usbvision->frame[i].index = i; + usbvision->frame[i].grabstate = FrameState_Unused; + usbvision->frame[i].data = usbvision->fbuf + + i * usbvision->max_frame_size; + /* + * Set default sizes for read operation. + */ + usbvision->stretch_width = 1; + usbvision->stretch_height = 1; + usbvision->frame[i].width = usbvision->curwidth; + usbvision->frame[i].height = usbvision->curheight; + usbvision->frame[i].bytes_read = 0; + } + return 0; +} + +/* + * usbvision_frames_free + * frees memory allocated for the frames + */ +void usbvision_frames_free(struct usb_usbvision *usbvision) +{ + /* Have to free all that memory */ + if (usbvision->fbuf != NULL) { + usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); + usbvision->fbuf = NULL; + } +} +/* * usbvision_empty_framequeues() * prepare queues for incoming and outgoing frames */ -static void usbvision_empty_framequeues(struct usb_usbvision *usbvision) +void usbvision_empty_framequeues(struct usb_usbvision *usbvision) { u32 i; @@ -3217,7 +1982,7 @@ static void usbvision_empty_framequeues( * usbvision_stream_interrupt() * stops streaming */ -static int usbvision_stream_interrupt(struct usb_usbvision *usbvision) +int usbvision_stream_interrupt(struct usb_usbvision *usbvision) { int ret = 0; @@ -3313,7 +2078,7 @@ static int usbvision_set_compress_params * I've no idea if this parameters are right * */ -static int usbvision_set_input(struct usb_usbvision *usbvision) +int usbvision_set_input(struct usb_usbvision *usbvision) { static const char proc[] = "usbvision_set_input: "; int rc; @@ -3488,7 +2253,7 @@ static int usbvision_set_dram_settings(s * */ -static int usbvision_power_on(struct usb_usbvision *usbvision) +int usbvision_power_on(struct usb_usbvision *usbvision) { int errCode = 0; @@ -3511,17 +2276,6 @@ static int usbvision_power_on(struct usb #endif usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN | USBVISION_PWR_VID); -#if 0 -#define ajblah(x) ((flags & (x)) ? #x : "") - printk(KERN_DEBUG "usbvision_power_on (%s,%s,%s,%s,%s,%s,%s)\n", - ajblah(FLAGS_RETRY_VIDIOCSYNC), - ajblah(FLAGS_MONOCHROME), - ajblah(FLAGS_DISPLAY_HINTS), - ajblah(FLAGS_OSD_STATS), - ajblah(FLAGS_FORCE_TESTPATTERN), - ajblah(FLAGS_SEPARATE_FRAMES), - ajblah(FLAGS_CLEAN_FRAMES)); -#endif errCode = usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN | USBVISION_PWR_VID | USBVISION_RES2); if (errCode == 1) { @@ -3531,6 +2285,25 @@ static int usbvision_power_on(struct usb return errCode; } + +/* + * usbvision timer stuff + */ + +// to call usbvision_power_off from task queue +static void call_usbvision_power_off(void *_usbvision) +{ + struct usb_usbvision *usbvision = _usbvision; + + PDEBUG(DBG_FUNC, ""); + down_interruptible(&usbvision->lock); + if(usbvision->user == 0) { + usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); + usbvision_power_off(usbvision); + usbvision->initialized = 0; + } + up(&usbvision->lock); +} static void usbvision_powerOffTimer(unsigned long data) { @@ -3548,13 +2321,31 @@ static void usbvision_powerOffTimer(unsi } +void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision) +{ + init_timer(&usbvision->powerOffTimer); + usbvision->powerOffTimer.data = (long) usbvision; + usbvision->powerOffTimer.function = usbvision_powerOffTimer; +} + +void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision) +{ + mod_timer(&usbvision->powerOffTimer, jiffies + USBVISION_POWEROFF_TIME); +} + +void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision) +{ + if (timer_pending(&usbvision->powerOffTimer)) { + del_timer(&usbvision->powerOffTimer); + } +} /* * usbvision_begin_streaming() * Sure you have to put bit 7 to 0, if not incoming frames are droped, but no * idea about the rest */ -static int usbvision_begin_streaming(struct usb_usbvision *usbvision) +int usbvision_begin_streaming(struct usb_usbvision *usbvision) { int errCode = 0; @@ -3571,7 +2362,7 @@ static int usbvision_begin_streaming(str * Not sure yet if touching here PWR_REG make loose the config */ -static int usbvision_restart_isoc(struct usb_usbvision *usbvision) +int usbvision_restart_isoc(struct usb_usbvision *usbvision) { int ret; @@ -3598,41 +2389,18 @@ static int usbvision_restart_isoc(struct return 0; } -static int usbvision_audio_on(struct usb_usbvision *usbvision) -{ - if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, usbvision->AudioChannel) < 0) { - printk(KERN_ERR "usbvision_audio_on: can't wirte reg\n"); - return -1; - } - DEBUG(printk(KERN_DEBUG "usbvision_audio_on: channel %d\n", usbvision->AudioChannel)); - usbvision->AudioMute = 0; - return 0; -} - -static int usbvision_audio_mute(struct usb_usbvision *usbvision) -{ - if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0x03) < 0) { - printk(KERN_ERR "usbvision_audio_mute: can't wirte reg\n"); - return -1; - } - DEBUG(printk(KERN_DEBUG "usbvision_audio_mute: audio mute\n")); - usbvision->AudioMute = 1; - return 0; -} - -static int usbvision_audio_off(struct usb_usbvision *usbvision) +int usbvision_audio_off(struct usb_usbvision *usbvision) { if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_AUDIO_MUTE) < 0) { printk(KERN_ERR "usbvision_audio_off: can't wirte reg\n"); return -1; } - DEBUG(printk(KERN_DEBUG "usbvision_audio_off: audio off\n")); usbvision->AudioMute = 0; usbvision->AudioChannel = USBVISION_AUDIO_MUTE; return 0; } -static int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel) +int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel) { if (!usbvision->AudioMute) { if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, AudioChannel) < 0) { @@ -3640,14 +2408,13 @@ static int usbvision_set_audio(struct us return -1; } } - DEBUG(printk(KERN_DEBUG "usbvision_set_audio: channel %d\n", AudioChannel)); usbvision->AudioChannel = AudioChannel; return 0; } -static int usbvision_setup(struct usb_usbvision *usbvision) -{ - usbvision_set_video_format(usbvision, isocMode); +int usbvision_setup(struct usb_usbvision *usbvision,int format) +{ + usbvision_set_video_format(usbvision, format); usbvision_set_dram_settings(usbvision); usbvision_set_compress_params(usbvision); usbvision_set_input(usbvision); @@ -3659,11 +2426,55 @@ static int usbvision_setup(struct usb_us } +int usbvision_sbuf_alloc(struct usb_usbvision *usbvision) +{ + int i, errCode = 0; + const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE; + + /* Clean pointers so we know if we allocated something */ + for (i = 0; i < USBVISION_NUMSBUF; i++) + usbvision->sbuf[i].data = NULL; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) + for (i = 0; i < USBVISION_NUMSBUF; i++) { + usbvision->sbuf[i].data = kmalloc(sb_size, GFP_KERNEL); + if (usbvision->sbuf[i].data == NULL) { + err("%s: unable to allocate %d bytes for sbuf", __FUNCTION__, sb_size); + errCode = -ENOMEM; + break; + } + } +#else + for (i = 0; i < USBVISION_NUMSBUF; i++) { + usbvision->sbuf[i].data = kzalloc(sb_size, GFP_KERNEL); + if (usbvision->sbuf[i].data == NULL) { + err("%s: unable to allocate %d bytes for sbuf", __FUNCTION__, sb_size); + errCode = -ENOMEM; + break; + } + } +#endif + return errCode; +} + + +void usbvision_sbuf_free(struct usb_usbvision *usbvision) +{ + int i; + + for (i = 0; i < USBVISION_NUMSBUF; i++) { + if (usbvision->sbuf[i].data != NULL) { + kfree(usbvision->sbuf[i].data); + usbvision->sbuf[i].data = NULL; + } + } +} + /* * usbvision_init_isoc() * */ -static int usbvision_init_isoc(struct usb_usbvision *usbvision) +int usbvision_init_isoc(struct usb_usbvision *usbvision) { struct usb_device *dev = usbvision->dev; int bufIdx, errCode, regValue; @@ -3763,7 +2574,7 @@ static int usbvision_init_isoc(struct us * activates zero-bandwidth alt. setting of the video interface. * */ -static void usbvision_stop_isoc(struct usb_usbvision *usbvision) +void usbvision_stop_isoc(struct usb_usbvision *usbvision) { int bufIdx, errCode, regValue; @@ -3811,7 +2622,7 @@ static void usbvision_stop_isoc(struct u } } -static int usbvision_muxsel(struct usb_usbvision *usbvision, int channel) +int usbvision_muxsel(struct usb_usbvision *usbvision, int channel) { int mode[4]; int audio[]= {1, 0, 0, 0}; @@ -3859,2407 +2670,6 @@ static int usbvision_muxsel(struct usb_u return 0; } - -/* - * 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. - * - */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static int usbvision_v4l2_open(struct video_device *dev, int flags) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *) dev; -#else -static int usbvision_v4l2_open(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); -#endif - const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE; - int i, errCode = 0; - - PDEBUG(DBG_IO, "open"); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_INC_USE_COUNT; -#endif - - if (timer_pending(&usbvision->powerOffTimer)) { - del_timer(&usbvision->powerOffTimer); - } - - if (usbvision->user) - errCode = -EBUSY; - else { - /* Clean pointers so we know if we allocated something */ - for (i = 0; i < USBVISION_NUMSBUF; i++) - usbvision->sbuf[i].data = NULL; - - /* Allocate memory for the frame buffers */ - usbvision->max_frame_size = MAX_FRAME_SIZE; - usbvision->fbuf_size = USBVISION_NUMFRAMES * usbvision->max_frame_size; - usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size); - usbvision->scratch = vmalloc(scratch_buf_size); - scratch_reset(usbvision); - if ((usbvision->fbuf == NULL) || (usbvision->scratch == NULL)) { - err("%s: unable to allocate %d bytes for fbuf and %d bytes for scratch", - __FUNCTION__, usbvision->fbuf_size, scratch_buf_size); - errCode = -ENOMEM; - } - else { - spin_lock_init(&usbvision->queue_lock); - init_waitqueue_head(&usbvision->wait_frame); - init_waitqueue_head(&usbvision->wait_stream); - - /* Allocate all buffers */ - for (i = 0; i < USBVISION_NUMFRAMES; i++) { - usbvision->frame[i].index = i; - usbvision->frame[i].grabstate = FrameState_Unused; - usbvision->frame[i].data = usbvision->fbuf + - i * MAX_FRAME_SIZE; - /* - * Set default sizes in case IOCTL - * (VIDIOCMCAPTURE) - * is not used (using read() instead). - */ - usbvision->stretch_width = 1; - usbvision->stretch_height = 1; - usbvision->frame[i].width = usbvision->curwidth; - usbvision->frame[i].height = usbvision->curheight; - usbvision->frame[i].bytes_read = 0; - } - if (dga) { //set default for DGA - usbvision->overlay_frame.grabstate = FrameState_Unused; - usbvision->overlay_frame.scanstate = ScanState_Scanning; - usbvision->overlay_frame.data = NULL; - usbvision->overlay_frame.width = usbvision->curwidth; - usbvision->overlay_frame.height = usbvision->curheight; - usbvision->overlay_frame.bytes_read = 0; - } -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) - for (i = 0; i < USBVISION_NUMSBUF; i++) { - usbvision->sbuf[i].data = kmalloc(sb_size, GFP_KERNEL); - if (usbvision->sbuf[i].data == NULL) { - err("%s: unable to allocate %d bytes for sbuf", __FUNCTION__, sb_size); - errCode = -ENOMEM; - break; - } - } - } - if ((!errCode) && (usbvision->isocMode==ISOC_MODE_COMPRESS)) { - int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2; - usbvision->IntraFrameBuffer = vmalloc(IFB_size); - if (usbvision->IntraFrameBuffer == NULL) { - err("%s: unable to allocate %d for compr. frame buffer", __FUNCTION__, IFB_size); - errCode = -ENOMEM; - } - else { - memset(usbvision->IntraFrameBuffer, 128, IFB_size); - } - } -#else - for (i = 0; i < USBVISION_NUMSBUF; i++) { - usbvision->sbuf[i].data = kzalloc(sb_size, GFP_KERNEL); - if (usbvision->sbuf[i].data == NULL) { - err("%s: unable to allocate %d bytes for sbuf", __FUNCTION__, sb_size); - errCode = -ENOMEM; - break; - } - } - } - if ((!errCode) && (usbvision->isocMode==ISOC_MODE_COMPRESS)) { - int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2; - usbvision->IntraFrameBuffer = vmalloc(IFB_size); - if (usbvision->IntraFrameBuffer == NULL) { - err("%s: unable to allocate %d for compr. frame buffer", __FUNCTION__, IFB_size); - errCode = -ENOMEM; - } - - } -#endif - if (errCode) { - /* Have to free all that memory */ - if (usbvision->fbuf != NULL) { - usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); - usbvision->fbuf = NULL; - } - if (usbvision->scratch != NULL) { - vfree(usbvision->scratch); - usbvision->scratch = NULL; - } - for (i = 0; i < USBVISION_NUMSBUF; i++) { - if (usbvision->sbuf[i].data != NULL) { - kfree(usbvision->sbuf[i].data); - usbvision->sbuf[i].data = NULL; - } - } - if (usbvision->IntraFrameBuffer != NULL) { - vfree(usbvision->IntraFrameBuffer); - usbvision->IntraFrameBuffer = NULL; - } - } - } - - /* If so far no errors then we shall start the camera */ - if (!errCode) { - down(&usbvision->lock); - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_init_i2c(usbvision); - } - - /* Send init sequence only once, it's large! */ - if (!usbvision->initialized) { - int setup_ok = 0; - setup_ok = usbvision_setup(usbvision); - if (setup_ok) - usbvision->initialized = 1; - else - errCode = -EBUSY; - } - - if (!errCode) { - usbvision_begin_streaming(usbvision); - errCode = usbvision_init_isoc(usbvision); - /* device needs to be initialized before isoc transfer */ - usbvision_muxsel(usbvision,0); - usbvision->user++; - } - else { - if (PowerOnAtOpen) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - up(&usbvision->lock); - } - - if (errCode) { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - } - - /* prepare queues */ - usbvision_empty_framequeues(usbvision); - - PDEBUG(DBG_IO, "success"); - 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(). - * - */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static void usbvision_v4l2_close(struct video_device *dev) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *) dev; -#else -static int usbvision_v4l2_close(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); -#endif - int i; - - PDEBUG(DBG_IO, "close"); - down(&usbvision->lock); - - usbvision_audio_off(usbvision); - usbvision_restart_isoc(usbvision); - usbvision_stop_isoc(usbvision); - - if (usbvision->IntraFrameBuffer != NULL) { - vfree(usbvision->IntraFrameBuffer); - usbvision->IntraFrameBuffer = NULL; - } - - usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); - vfree(usbvision->scratch); - for (i = 0; i < USBVISION_NUMSBUF; i++) - kfree(usbvision->sbuf[i].data); - - usbvision->user--; - - if (PowerOnAtOpen) { - mod_timer(&usbvision->powerOffTimer, jiffies + USBVISION_POWEROFF_TIME); - usbvision->initialized = 0; - } - - up(&usbvision->lock); - - if (usbvision->remove_pending) { - info("%s: Final disconnect", __FUNCTION__); - usbvision_release(usbvision); - } - - PDEBUG(DBG_IO, "success"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,19) - return 0; -#endif -} - - -/* - * usbvision_ioctl() - * - * This is part of Video 4 Linux API. The procedure handles ioctl() calls. - * - */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static int usbvision_v4l2_do_ioctl(struct video_device *dev, unsigned int cmd, void *arg) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *) dev; -#else -static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); -#endif - - if (!USBVISION_IS_OPERATIONAL(usbvision)) - return -EFAULT; - - // if (debug & DBG_IOCTL) v4l_printk_ioctl(cmd); - - switch (cmd) { - -#ifdef CONFIG_VIDEO_ADV_DEBUG - /* ioctls to allow direct acces to the NT100x registers */ - case VIDIOC_INT_G_REGISTER: - { - struct v4l2_register *reg = arg; - int errCode; - - if (reg->i2c_id != 0) - return -EINVAL; - /* NT100x has a 8-bit register space */ - errCode = usbvision_read_reg(usbvision, reg->reg&0xff); - if (errCode < 0) { - err("%s: VIDIOC_INT_G_REGISTER failed: error %d", __FUNCTION__, errCode); - } - else { - reg->val=(unsigned char)errCode; - PDEBUG(DBG_IOCTL, "VIDIOC_INT_G_REGISTER reg=0x%02X, value=0x%02X", - (unsigned int)reg->reg, reg->val); - errCode = 0; // No error - } - return errCode; - } - case VIDIOC_INT_S_REGISTER: - { - struct v4l2_register *reg = arg; - int errCode; - - if (reg->i2c_id != 0) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val); - if (errCode < 0) { - err("%s: VIDIOC_INT_S_REGISTER failed: error %d", __FUNCTION__, errCode); - } - else { - PDEBUG(DBG_IOCTL, "VIDIOC_INT_S_REGISTER reg=0x%02X, value=0x%02X", - (unsigned int)reg->reg, reg->val); - errCode = 0; - } - return 0; - } -#endif - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *vc=arg; - - memset(vc, 0, sizeof(*vc)); - 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 | - (dga ? (V4L2_FBUF_CAP_LIST_CLIPPING | V4L2_CAP_VIDEO_OVERLAY) : 0) | - (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); - PDEBUG(DBG_IOCTL, "VIDIOC_QUERYCAP"); - return 0; - } - case VIDIOC_ENUMINPUT: - { - struct v4l2_input *vi = arg; - 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 - } - 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 = V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM; - } - 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; - } - PDEBUG(DBG_IOCTL, "VIDIOC_ENUMINPUT name=%s:%d tuners=%d type=%d norm=%x", vi->name, vi->index, vi->tuner,vi->type,(int)vi->std); - return 0; - } - case VIDIOC_ENUMSTD: - { - struct v4l2_standard *e = arg; - unsigned int i; - int ret; - - i = e->index; - if (i >= TVNORMS) - return -EINVAL; - ret = v4l2_video_std_construct(e, tvnorms[e->index].id, - tvnorms[e->index].name); - e->index = i; - if (ret < 0) - return ret; - return 0; - } - case VIDIOC_G_INPUT: - { - int *input = arg; - *input = usbvision->ctl_input; - return 0; - } - case VIDIOC_S_INPUT: - { - int *input = arg; - if ((*input >= usbvision->video_inputs) || (*input < 0) ) - return -EINVAL; - usbvision->ctl_input = *input; - - down(&usbvision->lock); - usbvision_muxsel(usbvision, usbvision->ctl_input); - usbvision_set_input(usbvision); - usbvision_set_output(usbvision, usbvision->curwidth, usbvision->curheight); - up(&usbvision->lock); - return 0; - } - case VIDIOC_G_STD: - { - v4l2_std_id *id = arg; - - *id = usbvision->tvnorm->id; - - PDEBUG(DBG_IOCTL, "VIDIOC_G_STD std_id=%s", usbvision->tvnorm->name); - return 0; - } - case VIDIOC_S_STD: - { - v4l2_std_id *id = arg; - unsigned int i; - - for (i = 0; i < TVNORMS; i++) - if (*id == tvnorms[i].id) - break; - if (i == TVNORMS) - for (i = 0; i < TVNORMS; i++) - if (*id & tvnorms[i].id) - break; - if (i == TVNORMS) - return -EINVAL; - - down(&usbvision->lock); - usbvision->tvnorm = &tvnorms[i]; - - call_i2c_clients(usbvision, VIDIOC_S_STD, - &usbvision->tvnorm->id); - - up(&usbvision->lock); - - PDEBUG(DBG_IOCTL, "VIDIOC_S_STD std_id=%s", usbvision->tvnorm->name); - return 0; - } - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *vt = arg; - - if (!usbvision->have_tuner || vt->index) // Only tuner 0 - return -EINVAL; - strcpy(vt->name, "Television"); - /* Let clients fill in the remainder of this struct */ - call_i2c_clients(usbvision,VIDIOC_G_TUNER,vt); - - PDEBUG(DBG_IOCTL, "VIDIOC_G_TUNER signal=%x, afc=%x",vt->signal,vt->afc); - return 0; - } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *vt = arg; - - // 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); - - PDEBUG(DBG_IOCTL, "VIDIOC_S_TUNER"); - return 0; - } - case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *freq = arg; - - freq->tuner = 0; // Only one tuner - freq->type = V4L2_TUNER_ANALOG_TV; - freq->frequency = usbvision->freq; - PDEBUG(DBG_IOCTL, "VIDIOC_G_FREQUENCY freq=0x%X", (unsigned)freq->frequency); - return 0; - } - case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *freq = arg; - - // Only no or one tuner for now - if (!usbvision->have_tuner || freq->tuner) - return -EINVAL; - - usbvision->freq = freq->frequency; - call_i2c_clients(usbvision, cmd, freq); - PDEBUG(DBG_IOCTL, "VIDIOC_S_FREQUENCY freq=0x%X", (unsigned)freq->frequency); - return 0; - } - case VIDIOC_G_AUDIO: - { - struct v4l2_audio *v = arg; - memset(v,0, sizeof(v)); - strcpy(v->name, "TV"); - PDEBUG(DBG_IOCTL, "VIDIOC_G_AUDIO"); - // FIXME: no more processings ??? - return 0; - } - case VIDIOC_S_AUDIO: - { - struct v4l2_audio *v = arg; - if(v->index) { - return -EINVAL; - } - PDEBUG(DBG_IOCTL, "VIDIOC_S_AUDIO"); - // FIXME: void function ??? - return 0; - } - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *ctrl = arg; - int id=ctrl->id; - - memset(ctrl,0,sizeof(*ctrl)); - ctrl->id=id; - - call_i2c_clients(usbvision, cmd, arg); - - if (ctrl->type) - return 0; - else - return -EINVAL; - - PDEBUG(DBG_IOCTL,"VIDIOC_QUERYCTRL id=%x value=%x",ctrl->id,ctrl->type); - } - case VIDIOC_G_CTRL: - { - struct v4l2_control *ctrl = arg; - - PDEBUG(DBG_IOCTL,"VIDIOC_G_CTRL id=%x value=%x",ctrl->id,ctrl->value); - call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); - return 0; - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - - PDEBUG(DBG_IOCTL, "VIDIOC_S_CTRL id=%x value=%x",ctrl->id,ctrl->value); - call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); - return 0; - } - case VIDIOC_REQBUFS: - { - struct v4l2_requestbuffers *vr = arg; - 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; - - // FIXME : before this, we must control if buffers are still mapped. - // Then interrupt streaming if so... - if(usbvision->streaming == Stream_On) { - if ((ret = usbvision_stream_interrupt(usbvision))) - return ret; - } - - usbvision_empty_framequeues(usbvision); - - usbvision->curFrame = NULL; - - PDEBUG(DBG_IOCTL, "VIDIOC_REQBUFS count=%d",vr->count); - return 0; - } - case VIDIOC_QUERYBUF: - { - struct v4l2_buffer *vb = arg; - 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_NUMFRAMES) { - 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*MAX_FRAME_SIZE; - - vb->memory = V4L2_MEMORY_MMAP; - vb->field = V4L2_FIELD_NONE; - vb->length = MAX_FRAME_SIZE; - vb->timestamp = usbvision->frame[vb->index].timestamp; - vb->sequence = usbvision->frame[vb->index].sequence; - return 0; - } - case VIDIOC_QBUF: - { - struct v4l2_buffer *vb = arg; - 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_NUMFRAMES) { - 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); - - PDEBUG(DBG_IOCTL, "VIDIOC_QBUF frame #%d",vb->index); - return 0; - } - case VIDIOC_DQBUF: - { - struct v4l2_buffer *vb = arg; - 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; - - if(debug & DBG_IOCTL) { // do not spend computing time for debug stuff if not needed ! - if(usbvision_counter == 100) { - PDEBUG(DBG_IOCTL, "VIDIOC_DQBUF delta=%d",(unsigned)(jiffies-usbvision_timestamp)); - usbvision_counter = 0; - usbvision_timestamp = jiffies; - } - else { - usbvision_counter++; - } - PDEBUG(DBG_IOCTL, "VIDIOC_DQBUF frame #%d",vb->index); - } - return 0; - } - case VIDIOC_STREAMON: - { - int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; - - usbvision->streaming = Stream_On; - - if(debug & DBG_IOCTL) usbvision_timestamp = jiffies; - - call_i2c_clients(usbvision,VIDIOC_STREAMON , &b); - - PDEBUG(DBG_IOCTL, "VIDIOC_STREAMON"); - - return 0; - } - case VIDIOC_STREAMOFF: - { - int *type = arg; - 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); - - PDEBUG(DBG_IOCTL, "VIDIOC_STREAMOFF"); - return 0; - } - case VIDIOC_G_FBUF: - { - struct v4l2_framebuffer *vb = arg; - - if (dga) { - *vb = usbvision->vid_buf; - } - else { - memset(vb, 0, sizeof(vb)); //dga not supported, not used - } - PDEBUG(DBG_IOCTL, "VIDIOC_G_FBUF base=%p, width=%d, height=%d, pixelformat=%d, bpl=%d", - vb->base, vb->fmt.width, vb->fmt.height, vb->fmt.pixelformat,vb->fmt.bytesperline); - return 0; - } - case VIDIOC_S_FBUF: - { - struct v4l2_framebuffer *vb = arg; - int formatIdx; - - if (dga == 0) { - return -EINVAL; - } - - if(!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_ADMIN)) { - return -EPERM; - } - - PDEBUG(DBG_IOCTL, "VIDIOC_S_FBUF base=%p, width=%d, height=%d, pixelformat=%d, bpl=%d", - vb->base, vb->fmt.width, vb->fmt.height, vb->fmt.pixelformat,vb->fmt.bytesperline); - - for (formatIdx=0; formatIdx <= USBVISION_SUPPORTED_PALETTES; formatIdx++) { - if (formatIdx == USBVISION_SUPPORTED_PALETTES) { - return -EINVAL; // no matching video_format - } - if ((vb->fmt.pixelformat == usbvision_v4l2_format[formatIdx].format) && - (usbvision_v4l2_format[formatIdx].supported)) { - break; //found matching video_format - } - } - - if (vb->fmt.bytesperline<1) { - return -EINVAL; - } - if (usbvision->overlay) { - return -EBUSY; - } - down(&usbvision->lock); - if (usbvision->overlay_base) { - iounmap(usbvision->overlay_base); - usbvision->vid_buf_valid = 0; - } - usbvision->overlay_base = ioremap((ulong)vb->base, vb->fmt.height * vb->fmt.bytesperline); - if (usbvision->overlay_base) { - usbvision->vid_buf_valid = 1; - } - usbvision->vid_buf = *vb; - usbvision->overlay_frame.v4l2_format = usbvision_v4l2_format[formatIdx]; - up(&usbvision->lock); - return 0; - } - case VIDIOC_ENUM_FMT: - { - struct v4l2_fmtdesc *vfd = arg; - - 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; - } - case VIDIOC_G_FMT: - { - struct v4l2_format *vf = arg; - - switch (vf->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - { - 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; - default: - PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT invalid type %d",vf->type); - return -EINVAL; - } - PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d",vf->fmt.win.w.width, vf->fmt.win.w.height); - return 0; - } - case VIDIOC_TRY_FMT: - case VIDIOC_S_FMT: - { - struct v4l2_format *vf = arg; - struct v4l2_clip *vc=NULL; - int on,formatIdx; - - switch(vf->type) { - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - { - if (vf->fmt.win.clipcount>256) { - return -EDOM; /* Too many clips! */ - } - // Do every clips. - vc = vmalloc(sizeof(struct v4l2_clip)*(vf->fmt.win.clipcount+4)); - if (vc == NULL) { - return -ENOMEM; - } - if (vf->fmt.win.clipcount && copy_from_user(vc,vf->fmt.win.clips,sizeof(struct v4l2_clip)*vf->fmt.win.clipcount)) { - return -EFAULT; - } - on = usbvision->overlay; // Save overlay state - if (on) { - usbvision_cap(usbvision, 0); - } - - // strange, it seems xawtv sometimes calls us with 0 - // width and/or height. Ignore these values - if (vf->fmt.win.w.left == 0) { - vf->fmt.win.w.left = usbvision->vid_win.fmt.win.w.left; - } - if (vf->fmt.win.w.top == 0) { - vf->fmt.win.w.top = usbvision->vid_win.fmt.win.w.top; - } - - // by now we are committed to the new data... - down(&usbvision->lock); - RESTRICT_TO_RANGE(vf->fmt.win.w.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); - RESTRICT_TO_RANGE(vf->fmt.win.w.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); - usbvision->vid_win = *vf; - usbvision->overlay_frame.width = vf->fmt.win.w.width; - usbvision->overlay_frame.height = vf->fmt.win.w.height; - usbvision_set_output(usbvision, vf->fmt.win.w.width, vf->fmt.win.w.height); - up(&usbvision->lock); - - // Impose display clips - if (vf->fmt.win.w.left+vf->fmt.win.w.width > (unsigned int)usbvision->vid_buf.fmt.width) { - usbvision_new_clip(vf, vc, usbvision->vid_buf.fmt.width-vf->fmt.win.w.left, 0, vf->fmt.win.w.width-1, vf->fmt.win.w.height-1); - } - if (vf->fmt.win.w.top+vf->fmt.win.w.height > (unsigned int)usbvision->vid_buf.fmt.height) { - usbvision_new_clip(vf, vc, 0, usbvision->vid_buf.fmt.height-vf->fmt.win.w.top, vf->fmt.win.w.width-1, vf->fmt.win.w.height-1); - } - - // built the requested clipping zones - usbvision_built_overlay(usbvision, vf->fmt.win.clipcount, vc); - vfree(vc); - - // restore overlay state - if (on) { - usbvision_cap(usbvision, 1); - } - usbvision->vid_win_valid = 1; - PDEBUG(DBG_IOCTL, "VIDIOC_S_FMT overlay x=%d, y=%d, w=%d, h=%d, chroma=%x, clips=%d", - vf->fmt.win.w.left, vf->fmt.win.w.top, vf->fmt.win.w.width, vf->fmt.win.w.height, vf->fmt.win.chromakey, vf->fmt.win.clipcount); - return 0; - } - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - { - /* Find requested format in available ones */ - for(formatIdx=0;formatIdxfmt.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); - // by now we are committed to the new data... - down(&usbvision->lock); - usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height); - up(&usbvision->lock); - - PDEBUG(DBG_IOCTL, "VIDIOC_S_FMT grabdisplay w=%d, h=%d, format=%s", - vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc); - return 0; - } - default: - return -EINVAL; - } - } - case VIDIOC_OVERLAY: - { - int *v = arg; - - if ( (dga == 0) && - (usbvision->palette.format != V4L2_PIX_FMT_YVU420) && - (usbvision->palette.format != V4L2_PIX_FMT_YUV422P) ) { - PDEBUG(DBG_IOCTL, "VIDIOC_OVERLAY DGA disabled"); - return -EINVAL; - } - - if (*v == 0) { - usbvision_cap(usbvision, 0); - } - else { - // are VIDIOCSFBUF and VIDIOCSWIN done? - if ((usbvision->vid_buf_valid == 0) || (usbvision->vid_win_valid == 0)) { - PDEBUG(DBG_IOCTL, "VIDIOC_OVERLAY vid_buf_valid %d; vid_win_valid %d", - usbvision->vid_buf_valid, usbvision->vid_win_valid); - return -EINVAL; - } - usbvision_cap(usbvision, 1); - } - PDEBUG(DBG_IOCTL, "VIDIOC_OVERLAY %s", (*v)?"on":"off"); - return 0; - } - default: - return -ENOIOCTLCMD; - } - return 0; -} - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static int usbvision_v4l2_ioctl(struct video_device *dev, unsigned int cmd, void *arg) -{ - return video_usercopy(inode, file, cmd, arg, usbvision_v4l2_do_ioctl); -} -#else -static int usbvision_v4l2_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(inode, file, cmd, arg, usbvision_v4l2_do_ioctl); -} -#endif - - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static long usbvision_v4l2_read(struct video_device *dev, char *buf, - unsigned long count, int noblock) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *) dev; -#else -static ssize_t usbvision_v4l2_read(struct file *file, char *buf, - size_t count, loff_t *ppos) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - int noblock = file->f_flags & O_NONBLOCK; -#endif - unsigned long lock_flags; - - int frmx = -1; - int ret,i; - struct usbvision_frame *frame; - - PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __FUNCTION__, (unsigned long)count, noblock); - - if (!USBVISION_IS_OPERATIONAL(usbvision) || (buf == NULL)) - return -EFAULT; - - /* no stream is running, make it running ! */ - usbvision->streaming = Stream_On; - call_i2c_clients(usbvision,VIDIOC_STREAMON , NULL); - - /* First, enqueue as many frames as possible (like a user of VIDIOC_QBUF would do) */ - for(i=0;iframe[i]; - if(frame->grabstate == FrameState_Unused) { - /* Mark it as ready and enqueue frame */ - frame->grabstate = FrameState_Ready; - frame->scanstate = ScanState_Scanning; - frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */ - - /* 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); - - if(debug & DBG_IOCTL) { // do not spend computing time for debug stuff if not needed ! - if(usbvision_counter == 100) { - PDEBUG(DBG_IOCTL, "VIDIOC_DQBUF delta=%d",(unsigned)(jiffies-usbvision_timestamp)); - usbvision_counter = 0; - usbvision_timestamp = jiffies; - } - else { - usbvision_counter++; - } - } - - /* 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", __FUNCTION__, - 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", __FUNCTION__, - (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. */ - usbvision->frame[frmx].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 video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - - if (!USBVISION_IS_OPERATIONAL(usbvision)) - return -EFAULT; - - if (!(vma->vm_flags & VM_WRITE) || - size != PAGE_ALIGN(usbvision->max_frame_size)) { - return -EINVAL; - } - - for (i = 0; i < USBVISION_NUMFRAMES; i++) { - if (((usbvision->max_frame_size*i) >> PAGE_SHIFT) == vma->vm_pgoff) - break; - } - if (i == USBVISION_NUMFRAMES) { - PDEBUG(DBG_FUNC, "mmap: user supplied mapping address is out of range"); - 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 LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) - unsigned long page = vmalloc_to_pfn(pos); - if (remap_pfn_range(vma, start, page, PAGE_SIZE, - vma->vm_page_prot)) { - PDEBUG(DBG_FUNC, "mmap: rename page map failed"); -#else - if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { - PDEBUG(DBG_FUNC, "mmap: vm_insert_page failed"); -#endif - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return 0; -} - - -/* - * Here comes the stuff for radio on usbvision based devices - * - */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static int usbvision_radio_open(struct video_device *dev, int flags) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *)dev->priv; -#else -static int usbvision_radio_open(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); -#endif - struct v4l2_frequency freq; - int errCode = 0; - - PDEBUG(DBG_RIO, "%s:", __FUNCTION__); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_INC_USE_COUNT; -#endif - down(&usbvision->lock); - - if (usbvision->user) { - err("%s: Someone tried to open an already opened USBVision Radio!", __FUNCTION__); - errCode = -EBUSY; - } - else { - if(PowerOnAtOpen) { - if (timer_pending(&usbvision->powerOffTimer)) { - del_timer(&usbvision->powerOffTimer); - } - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_init_i2c(usbvision); - } - } - - // If so far no errors then we shall start the radio - usbvision->radio = 1; - call_i2c_clients(usbvision,AUDC_SET_RADIO,&usbvision->tuner_type); - freq.frequency = 1517; //SWR3 @ 94.8MHz - call_i2c_clients(usbvision, VIDIOC_S_FREQUENCY, &freq); - usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); - usbvision->user++; - } - - if (errCode) { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - if (PowerOnAtOpen) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - up(&usbvision->lock); - return errCode; -} - - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static void usbvision_radio_close(struct video_device *dev) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *)dev->priv; -#else -static int usbvision_radio_close(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - int errCode = 0; -#endif - - PDEBUG(DBG_RIO, ""); - - down(&usbvision->lock); - - usbvision_audio_off(usbvision); - usbvision->radio=0; - usbvision->user--; - - if (PowerOnAtOpen) { - mod_timer(&usbvision->powerOffTimer, jiffies + USBVISION_POWEROFF_TIME); - usbvision->initialized = 0; - } - - up(&usbvision->lock); - - if (usbvision->remove_pending) { - info("%s: Final disconnect", __FUNCTION__); - usbvision_release(usbvision); - } - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - - PDEBUG(DBG_RIO, "success"); - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,19) - return errCode; -#endif -} - -static int usbvision_do_radio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - - if (!USBVISION_IS_OPERATIONAL(usbvision)) - return -EIO; - - switch (cmd) { - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *vc=arg; - - memset(vc, 0, sizeof(*vc)); - 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 = (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); - PDEBUG(DBG_RIO, "VIDIOC_QUERYCAP"); - return 0; - } - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *ctrl = arg; - int id=ctrl->id; - - memset(ctrl,0,sizeof(*ctrl)); - ctrl->id=id; - - call_i2c_clients(usbvision, cmd, arg); - PDEBUG(DBG_RIO,"VIDIOC_QUERYCTRL id=%x value=%x",ctrl->id,ctrl->type); - - if (ctrl->type) - return 0; - else - return -EINVAL; - - } - case VIDIOC_G_CTRL: - { - struct v4l2_control *ctrl = arg; - - call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); - PDEBUG(DBG_RIO,"VIDIOC_G_CTRL id=%x value=%x",ctrl->id,ctrl->value); - return 0; - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - - call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); - PDEBUG(DBG_RIO, "VIDIOC_S_CTRL id=%x value=%x",ctrl->id,ctrl->value); - return 0; - } - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *t = arg; - - if (t->index > 0) - return -EINVAL; - - memset(t,0,sizeof(*t)); - strcpy(t->name, "Radio"); - t->type = V4L2_TUNER_RADIO; - - /* Let clients fill in the remainder of this struct */ - call_i2c_clients(usbvision,VIDIOC_G_TUNER,t); - PDEBUG(DBG_RIO, "VIDIOC_G_TUNER signal=%x, afc=%x",t->signal,t->afc); - return 0; - } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *vt = arg; - - // 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); - - PDEBUG(DBG_RIO, "VIDIOC_S_TUNER"); - return 0; - } - case VIDIOC_G_AUDIO: - { - struct v4l2_audio *a = arg; - - memset(a,0,sizeof(*a)); - strcpy(a->name,"Radio"); - PDEBUG(DBG_RIO, "VIDIOC_G_AUDIO"); - return 0; - } - case VIDIOC_S_AUDIO: - case VIDIOC_S_INPUT: - case VIDIOC_S_STD: - return 0; - - case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *f = arg; - - memset(f,0,sizeof(*f)); - - f->type = V4L2_TUNER_RADIO; - f->frequency = usbvision->freq; - call_i2c_clients(usbvision, cmd, f); - PDEBUG(DBG_RIO, "VIDIOC_G_FREQUENCY freq=0x%X", (unsigned)f->frequency); - - return 0; - } - case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *f = arg; - - if (f->tuner != 0) - return -EINVAL; - usbvision->freq = f->frequency; - call_i2c_clients(usbvision, cmd, f); - PDEBUG(DBG_RIO, "VIDIOC_S_FREQUENCY freq=0x%X", (unsigned)f->frequency); - - return 0; - } - default: - { - PDEBUG(DBG_RIO, "%s: Unknown command %x", __FUNCTION__, cmd); - return -ENOIOCTLCMD; - } - } - return 0; -} - - -static int usbvision_radio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(inode, file, cmd, arg, usbvision_do_radio_ioctl); -} - - -/* - * Here comes the stuff for vbi on usbvision based devices - * - */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static int usbvision_vbi_open(struct video_device *dev, int flags) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *)dev->priv; -#else -static int usbvision_vbi_open(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); -#endif - unsigned long freq; - int errCode = 0; - - PDEBUG(DBG_RIO, "%s:", __FUNCTION__); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_INC_USE_COUNT; -#endif - down(&usbvision->lock); - - if (usbvision->user) { - err("%s: Someone tried to open an already opened USBVision VBI!", __FUNCTION__); - errCode = -EBUSY; - } - else { - if(PowerOnAtOpen) { - if (timer_pending(&usbvision->powerOffTimer)) { - del_timer(&usbvision->powerOffTimer); - } - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_init_i2c(usbvision); - } - } - - // If so far no errors then we shall start the vbi device - //usbvision->vbi = 1; - call_i2c_clients(usbvision,AUDC_SET_RADIO,&usbvision->tuner_type); - freq = 1517; //SWR3 @ 94.8MHz - call_i2c_clients(usbvision, VIDIOC_S_FREQUENCY, &freq); - usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); - usbvision->user++; - } - - if (errCode) { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - if (PowerOnAtOpen) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - up(&usbvision->lock); - return errCode; -} - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static void usbvision_vbi_close(struct video_device *dev) -{ - struct usb_usbvision *usbvision = (struct usb_usbvision *)dev->priv; -#else -static int usbvision_vbi_close(struct inode *inode, struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - int errCode = 0; -#endif - - PDEBUG(DBG_RIO, ""); - - down(&usbvision->lock); - - usbvision_audio_off(usbvision); - usbvision->vbi=0; - usbvision->user--; - - if (PowerOnAtOpen) { - mod_timer(&usbvision->powerOffTimer, jiffies + USBVISION_POWEROFF_TIME); - usbvision->initialized = 0; - } - - up(&usbvision->lock); - - if (usbvision->remove_pending) { - info("%s: Final disconnect", __FUNCTION__); - usbvision_release(usbvision); - } - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - MOD_DEC_USE_COUNT; -#endif - - PDEBUG(DBG_RIO, "success"); - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,19) - return errCode; -#endif -} - -static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); - - if (!USBVISION_IS_OPERATIONAL(usbvision)) - return -EIO; - - switch (cmd) { - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *vc=arg; - memset(vc, 0, sizeof(struct v4l2_capability)); - strcpy(vc->driver,"usbvision vbi"); - strcpy(vc->card,usbvision->vcap.card); - strcpy(vc->bus_info,"usb"); - vc->version = USBVISION_DRIVER_VERSION; /* version */ - vc->capabilities = V4L2_CAP_VBI_CAPTURE; /* capabilities */ - PDEBUG(DBG_RIO, "%s: VIDIOC_QUERYCAP", __FUNCTION__); - return 0; - } - case VIDIOCGTUNER: - { - struct video_tuner *vt = arg; - - if((vt->tuner) || (usbvision->channel)) { /* Only tuner 0 */ - return -EINVAL; - } - strcpy(vt->name, "vbi"); - // japan: 76.0 MHz - 89.9 MHz - // western europe: 87.5 MHz - 108.0 MHz - // russia: 65.0 MHz - 108.0 MHz - vt->rangelow=(int)(65*16); - vt->rangehigh=(int)(108*16); - vt->flags= 0; - vt->mode = 0; - call_i2c_clients(usbvision,cmd,vt); - PDEBUG(DBG_RIO, "%s: VIDIOCGTUNER signal=%d", __FUNCTION__, vt->signal); - return 0; - } - case VIDIOCSTUNER: - { - struct video_tuner *vt = arg; - - // Only channel 0 has a tuner - if((vt->tuner) || (usbvision->channel)) { - return -EINVAL; - } - PDEBUG(DBG_RIO, "%s: VIDIOCSTUNER", __FUNCTION__); - return 0; - } - case VIDIOCGAUDIO: - { - struct video_audio *va = arg; - memset(va,0, sizeof(struct video_audio)); - call_i2c_clients(usbvision, cmd, va); - va->flags|=VIDEO_AUDIO_MUTABLE; - va->volume=1; - va->step=1; - strcpy(va->name, "vbi"); - PDEBUG(DBG_RIO, "%s: VIDIOCGAUDIO", __FUNCTION__); - return 0; - } - case VIDIOCSAUDIO: - { - struct video_audio *va = arg; - if(va->audio) { - return -EINVAL; - } - - if(va->flags & VIDEO_AUDIO_MUTE) { - if (usbvision_audio_mute(usbvision)) { - return -EFAULT; - } - } - else { - if (usbvision_audio_on(usbvision)) { - return -EFAULT; - } - } - PDEBUG(DBG_RIO, "%s: VIDIOCSAUDIO flags=0x%x)", __FUNCTION__, va->flags); - return 0; - } - case VIDIOCGFREQ: - { - unsigned long *freq = arg; - - *freq = usbvision->freq; - PDEBUG(DBG_RIO, "%s: VIDIOCGFREQ freq = %ld00 kHz", __FUNCTION__, (*freq * 10)>>4); - return 0; - } - case VIDIOCSFREQ: - { - unsigned long *freq = arg; - - usbvision->freq = *freq; - call_i2c_clients(usbvision, cmd, freq); - PDEBUG(DBG_RIO, "%s: VIDIOCSFREQ freq = %ld00 kHz", __FUNCTION__, (*freq * 10)>>4); - return 0; - } - default: - { - PDEBUG(DBG_RIO, "%s: Unknown command %d", __FUNCTION__, cmd); - return -ENOIOCTLCMD; - } - } - return 0; -} - -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); -} - - - -static void usbvision_configure_video(struct usb_usbvision *usbvision) -{ - int model,i; - - if (usbvision == NULL) - return; - - model = usbvision->DevModel; - usbvision->depth = 24; - usbvision->palette = usbvision_v4l2_format[2]; // V4L2_PIX_FMT_RGB24; - - if (usbvision_device_data[usbvision->DevModel].Vin_Reg2 >= 0) { - usbvision->Vin_Reg2_Preset = usbvision_device_data[usbvision->DevModel].Vin_Reg2 & 0xff; - } else { - usbvision->Vin_Reg2_Preset = 0; - } - - memset(&usbvision->vcap, 0, sizeof(usbvision->vcap)); - strcpy(usbvision->vcap.driver, "USBVision"); - strlcpy(usbvision->vcap.bus_info, usbvision->dev->dev.bus_id, - sizeof(usbvision->vcap.bus_info)); - usbvision->vcap.capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | - (dga ? (V4L2_FBUF_CAP_LIST_CLIPPING | V4L2_CAP_VIDEO_OVERLAY) : 0) | - (usbvision->have_tuner ? V4L2_CAP_TUNER : 0); - usbvision->vcap.version = USBVISION_DRIVER_VERSION; /* version */ - - for (i = 0; i < TVNORMS; i++) - if (usbvision_device_data[model].VideoNorm == tvnorms[i].mode) - break; - if (i == TVNORMS) - i = 0; - usbvision->tvnorm = &tvnorms[i]; /* set default norm */ - - 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 */ - usbvision_audio_off(usbvision); //first switch off audio - if (!PowerOnAtOpen) { - usbvision_power_on(usbvision); //and then power up the noisy tuner - usbvision_init_i2c(usbvision); - } -} - -// -// Video registration stuff -// - -// Video template -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static struct video_device usbvision_video_template = { - .type = VID_TYPE_TUNER | VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_USBVISION, - .open = usbvision_v4l2_open, - .close = usbvision_v4l2_close, - .read = usbvision_v4l2_read, - .mmap = usbvision_v4l2_mmap, - .ioctl = usbvision_v4l2_ioctl, - .minor = -1, -}; -#else -static struct file_operations usbvision_fops = { - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .open = usbvision_v4l2_open, - .release = usbvision_v4l2_close, - .read = usbvision_v4l2_read, - .mmap = usbvision_v4l2_mmap, - .ioctl = usbvision_v4l2_ioctl, - .llseek = no_llseek, -}; -static struct video_device usbvision_video_template = { - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .type = VID_TYPE_TUNER | VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_USBVISION, - .fops = &usbvision_fops, - #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .name = "usbvision-video", - .release = video_device_release, - #endif - .minor = -1, -}; -#endif - - -// Radio template -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static struct video_device usbvision_radio_template= -{ - type: VID_TYPE_TUNER, - hardware: VID_HARDWARE_USBVISION, - open: usbvision_radio_open, - close: usbvision_radio_close, - read: usbvision_radio_read, // just returns -EINVAL - write: usbvision_radio_write, // just returns -EINVAL - ioctl: usbvision_radio_ioctl, - minor: -1, -}; -#else -static struct file_operations usbvision_radio_fops = { - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .open = usbvision_radio_open, - .release = usbvision_radio_close, - .ioctl = usbvision_radio_ioctl, - .llseek = no_llseek, -}; - -static struct video_device usbvision_radio_template= -{ - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_USBVISION, - .fops = &usbvision_radio_fops, - #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .release = video_device_release, - .name = "usbvision-radio", - #endif - .minor = -1, -}; -#endif - - -// vbi template -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) -static struct video_device usbvision_vbi_template= -{ - type: VID_TYPE_TELETEXT, - hardware: VID_HARDWARE_USBVISION, - open: usbvision_vbi_open, - close: usbvision_vbi_close, - read: usbvision_vbi_read, // just returns -EINVAL - write: usbvision_vbi_write, // just returns -EINVAL - ioctl: usbvision_vbi_ioctl, - minor: -1, -}; -#else -static struct file_operations usbvision_vbi_fops = { - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .open = usbvision_vbi_open, - .release = usbvision_vbi_close, - .ioctl = usbvision_vbi_ioctl, - .llseek = no_llseek, -}; - -static struct video_device usbvision_vbi_template= -{ - #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,31) - .owner = THIS_MODULE, - #endif - .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_USBVISION, - .fops