diff options
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/usbvision/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-cards.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-core.c | 3846 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-i2c.c | 382 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-i2c.h | 58 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-video.c | 2060 | ||||
| -rw-r--r-- | drivers/media/video/usbvision/usbvision.h | 135 |
7 files changed, 2796 insertions, 3688 deletions
diff --git a/drivers/media/video/usbvision/Makefile b/drivers/media/video/usbvision/Makefile index ebdf78a19280..9ac92a80c645 100644 --- a/drivers/media/video/usbvision/Makefile +++ b/drivers/media/video/usbvision/Makefile @@ -1,4 +1,4 @@ -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 --git a/drivers/media/video/usbvision/usbvision-cards.c b/drivers/media/video/usbvision/usbvision-cards.c index 16c8890bf9bb..f1fb9e752b5d 100644 --- a/drivers/media/video/usbvision/usbvision-cards.c +++ b/drivers/media/video/usbvision/usbvision-cards.c @@ -30,7 +30,6 @@ #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 --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index 0eb3ddcd0f3e..cf787d8ab6d3 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -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 <joerg@heckenbach-aw.de> + * Dwaine Garden <dwainegarden@rogers.com> * * 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 <linux/kernel.h> @@ -344,13 +42,6 @@ #include <linux/video_decoder.h> #include <linux/i2c.h> -#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 <media/saa7115.h> #include <media/v4l2-common.h> #include <media/tuner.h> @@ -365,99 +56,44 @@ #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 <joerg@heckenbach-aw.de>, Dwaine Garden <DwaineGarden@rogers.com>" -#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]"); -#define ENABLE_HEXDUMP 0 /* Enable if you need it */ +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 @@ -467,229 +103,10 @@ static struct usbvision_tvnorm tvnorms[] = { 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); - MODULE_VERSION(DRIVER_VERSION); - MODULE_ALIAS(DRIVER_ALIAS); - -#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 */ -/****************************************************************************************/ - - -#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); - } -} - /*******************************/ /* Memory management functions */ @@ -700,7 +117,6 @@ static void usbvision_remove_sysfs(struct video_device *vdev) * This is used when initializing the contents of the area. */ - void *usbvision_rvmalloc(unsigned long size) { void *mem; @@ -712,65 +128,58 @@ void *usbvision_rvmalloc(unsigned long size) 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 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; @@ -800,13 +209,6 @@ int scratch_free(struct usb_usbvision *usbvision) } -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); -} - - /* This puts data into the buffer */ int scratch_put(struct usb_usbvision *usbvision, unsigned char *data, int len) { @@ -964,247 +366,27 @@ void scratch_reset(struct usb_usbvision *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) +int usbvision_scratch_alloc(struct usb_usbvision *usbvision) { - 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; - } + 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_osd_string(struct usb_usbvision *usbvision, - struct usbvision_frame *frame, - int x, int y, const char *str) +void usbvision_scratch_free(struct usb_usbvision *usbvision) { - while (*str) { - usbvision_osd_char(usbvision, frame, x, y, *str); - str++; - x += 4; /* 3 pixels character + 1 space */ + if (usbvision->scratch != NULL) { + vfree(usbvision->scratch); + usbvision->scratch = NULL; } } /* - * 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; - -} - -/* * usbvision_testpattern() * * Procedure forms a test pattern (yellow grid on blue background). @@ -1287,14 +469,40 @@ void usbvision_testpattern(struct usb_usbvision *usbvision, int fullframe, frame->scanlength += scan_length; ++num_pass; - /* We do this unconditionally, regardless of FLAGS_OSD_STATS */ - usbvision_osd_stats(usbvision, frame); } /* - * Here comes the data parsing stuff that is run as interrupt + * 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() * @@ -1305,12 +513,7 @@ static enum ParseState usbvision_find_header(struct usb_usbvision *usbvision) 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 @@ -1368,7 +571,7 @@ static enum ParseState usbvision_find_header(struct usb_usbvision *usbvision) frame->scanstate = ScanState_Lines; frame->curline = 0; - if (flags & FLAGS_FORCE_TESTPATTERN) { + if (force_testpattern) { usbvision_testpattern(usbvision, 1, 1); return ParseState_NextFrame; } @@ -1385,22 +588,10 @@ static enum ParseState usbvision_parse_lines_422(struct usb_usbvision *usbvision 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; @@ -1422,10 +613,7 @@ static enum ParseState usbvision_parse_lines_422(struct usb_usbvision *usbvision 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 } @@ -1457,10 +645,7 @@ static enum ParseState usbvision_parse_lines_422(struct usb_usbvision *usbvision 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 } @@ -1504,7 +689,7 @@ static enum ParseState usbvision_parse_lines_422(struct usb_usbvision *usbvision } } - +/* The decompression routine */ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *Compressed, unsigned char *Decompressed, int *StartPos, int *BlockTypeStartPos, int Len) @@ -1614,45 +799,31 @@ static enum ParseState usbvision_parse_compress(struct usb_usbvision *usbvision, 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) { @@ -1738,10 +909,7 @@ static enum ParseState usbvision_parse_compress(struct usb_usbvision *usbvision, } 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]; } @@ -1838,23 +1006,10 @@ static enum ParseState usbvision_parse_lines_420(struct usb_usbvision *usbvision 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 */ @@ -1901,10 +1056,7 @@ static enum ParseState usbvision_parse_lines_420(struct usb_usbvision *usbvision 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; } @@ -1943,10 +1095,7 @@ static enum ParseState usbvision_parse_lines_420(struct usb_usbvision *usbvision 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; } @@ -1987,10 +1136,7 @@ static enum ParseState usbvision_parse_lines_420(struct usb_usbvision *usbvision 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; } @@ -2029,10 +1175,7 @@ static enum ParseState usbvision_parse_lines_420(struct usb_usbvision *usbvision 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; } @@ -2108,12 +1251,7 @@ static void usbvision_parse_data(struct usb_usbvision *usbvision) 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)); @@ -2152,23 +1290,13 @@ static void usbvision_parse_data(struct usb_usbvision *usbvision) 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); - } - usbvision->frame_num++; - /* Optionally display statistics on the screen */ - if (flags & FLAGS_OSD_STATS) - usbvision_osd_stats(usbvision, frame); + 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++; /* This will cause the process to request another frame. */ if (waitqueue_active(&usbvision->wait_frame)) { @@ -2306,7 +1434,7 @@ static void usbvision_isocIrq(struct urb *urb, struct pt_regs *regs) /* 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); } @@ -2353,7 +1481,7 @@ static void usbvision_isocIrq(struct urb *urb, struct pt_regs *regs) * >= 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]; @@ -2381,7 +1509,7 @@ static int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg * -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; @@ -2454,8 +1582,6 @@ static int usbvision_write_reg_irq(struct usb_usbvision *usbvision,int address, } - - static int usbvision_init_compression(struct usb_usbvision *usbvision) { int errCode = 0; @@ -2563,334 +1689,11 @@ static int usbvision_unrequest_intra (struct usb_usbvision *usbvision) return errCode; } -/* ----------------------------------------------------------------------- */ -/* I2C functions */ -/* ----------------------------------------------------------------------- */ +/******************************* + * usbvision utility 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 = { - .owner = THIS_MODULE, - .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 -}; - -static struct i2c_client i2c_client_template = { - .name = "usbvision internal", - .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) +int usbvision_power_off(struct usb_usbvision *usbvision) { int errCode = 0; @@ -2905,22 +1708,6 @@ static int usbvision_power_off(struct usb_usbvision *usbvision) } -// 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); -} - - /* * usbvision_set_video_format() * @@ -2964,8 +1751,8 @@ static int usbvision_set_video_format(struct usb_usbvision *usbvision, int forma * */ -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; @@ -3060,10 +1847,62 @@ static int usbvision_set_output(struct usb_usbvision *usbvision, int width, /* + * 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; @@ -3080,7 +1919,7 @@ static void usbvision_empty_framequeues(struct usb_usbvision *usbvision) * 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; @@ -3176,7 +2015,7 @@ static int usbvision_set_compress_params(struct usb_usbvision *usbvision) * 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; @@ -3351,7 +2190,7 @@ static int usbvision_set_dram_settings(struct usb_usbvision *usbvision) * */ -static int usbvision_power_on(struct usb_usbvision *usbvision) +int usbvision_power_on(struct usb_usbvision *usbvision) { int errCode = 0; @@ -3372,6 +2211,25 @@ static int usbvision_power_on(struct usb_usbvision *usbvision) } +/* + * 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) { struct usb_usbvision *usbvision = (void *) data; @@ -3383,13 +2241,31 @@ static void usbvision_powerOffTimer(unsigned long data) } +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; @@ -3406,7 +2282,7 @@ static int usbvision_begin_streaming(struct usb_usbvision *usbvision) * 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; @@ -3433,41 +2309,18 @@ static int usbvision_restart_isoc(struct usb_usbvision *usbvision) 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) { @@ -3475,14 +2328,13 @@ static int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel 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) +int usbvision_setup(struct usb_usbvision *usbvision,int format) { - usbvision_set_video_format(usbvision, isocMode); + usbvision_set_video_format(usbvision, format); usbvision_set_dram_settings(usbvision); usbvision_set_compress_params(usbvision); usbvision_set_input(usbvision); @@ -3494,11 +2346,44 @@ static int usbvision_setup(struct usb_usbvision *usbvision) } +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; + + 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; + } + } + 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; @@ -3587,7 +2472,7 @@ static int usbvision_init_isoc(struct usb_usbvision *usbvision) * 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; @@ -3623,7 +2508,7 @@ static void usbvision_stop_isoc(struct usb_usbvision *usbvision) } } -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}; @@ -3671,2157 +2556,6 @@ static int usbvision_muxsel(struct usb_usbvision *usbvision, int channel) 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. - * - */ -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); - const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE; - int i, errCode = 0; - - PDEBUG(DBG_IO, "open"); - - - 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; - } - 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; - } - - } - 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) { - } - - /* 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(). - * - */ -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); - 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"); - - - return 0; -} - - -/* - * usbvision_ioctl() - * - * This is part of Video 4 Linux API. The procedure handles ioctl() calls. - * - */ -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); - - 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;formatIdx<USBVISION_SUPPORTED_PALETTES;formatIdx++) { - if(vf->fmt.pix.pixelformat == usbvision_v4l2_format[formatIdx].format) { - usbvision->palette = usbvision_v4l2_format[formatIdx]; - break; - } - } - /* robustness */ - if(formatIdx == USBVISION_SUPPORTED_PALETTES) { - return -EINVAL; - } - RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); - RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); - // 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; -} - -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); -} - - -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; - 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;i<USBVISION_NUMFRAMES;i++) { - frame = &usbvision->frame[i]; - if(frame->grabstate == FrameState_Unused) { - /* Mark it as ready and enqueue frame */ - frame->grabstate = FrameState_Ready; - frame->scanstate = ScanState_Scanning; - 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 (vm_insert_page(vma, start, vmalloc_to_page(pos))) { - PDEBUG(DBG_FUNC, "mmap: vm_insert_page failed"); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return 0; -} - - -/* - * Here comes the stuff for radio on usbvision based devices - * - */ -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); - struct v4l2_frequency freq; - int errCode = 0; - - PDEBUG(DBG_RIO, "%s:", __FUNCTION__); - - 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 (PowerOnAtOpen) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - up(&usbvision->lock); - return errCode; -} - - -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; - - 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); - } - - - PDEBUG(DBG_RIO, "success"); - - return errCode; -} - -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 - * - */ -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); - unsigned long freq; - int errCode = 0; - - PDEBUG(DBG_RIO, "%s:", __FUNCTION__); - - 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 (PowerOnAtOpen) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } - up(&usbvision->lock); - return errCode; -} - -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; - - 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); - } - - - PDEBUG(DBG_RIO, "success"); - - return errCode; -} - -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 -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, -}; - - -// Radio template -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, -}; - - -// vbi template -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 = &usbvision_vbi_fops, - #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .release = video_device_release, - .name = "usbvision-vbi", - #endif - .minor = -1, -}; - - -static struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision, - struct video_device *vdev_template, - char *name) -{ - struct usb_device *usb_dev = usbvision->dev; - struct video_device *vdev; - - if (usb_dev == NULL) { - err("%s: usbvision->dev is not set", __FUNCTION__); - return NULL; - } - - vdev = video_device_alloc(); - if (NULL == vdev) { - return NULL; - } - *vdev = *vdev_template; -// vdev->minor = -1; - vdev->dev = &usb_dev->dev; - snprintf(vdev->name, sizeof(vdev->name), "%s", name); - video_set_drvdata(vdev, usbvision); - return vdev; -} - -// unregister video4linux devices -static void usbvision_unregister_video(struct usb_usbvision *usbvision) -{ - // vbi Device: - if (usbvision->vbi) { - PDEBUG(DBG_PROBE, "unregister /dev/vbi%d [v4l2]", usbvision->vbi->minor & 0x1f); - if (usbvision->vbi->minor != -1) { - video_unregister_device(usbvision->vbi); - } - else { - video_device_release(usbvision->vbi); - } - usbvision->vbi = NULL; - } - - // Radio Device: - if (usbvision->rdev) { - PDEBUG(DBG_PROBE, "unregister /dev/radio%d [v4l2]", usbvision->rdev->minor & 0x1f); - if (usbvision->rdev->minor != -1) { - video_unregister_device(usbvision->rdev); - } - else { - video_device_release(usbvision->rdev); - } - usbvision->rdev = NULL; - } - - // Video Device: - if (usbvision->vdev) { - PDEBUG(DBG_PROBE, "unregister /dev/video%d [v4l2]", usbvision->vdev->minor & 0x1f); - if (usbvision->vdev->minor != -1) { - video_unregister_device(usbvision->vdev); - } - else { - video_device_release(usbvision->vdev); - } - usbvision->vdev = NULL; - } -} - -// register video4linux devices -static int __devinit usbvision_register_video(struct usb_usbvision *usbvision) -{ - // Video Device: - usbvision->vdev = usbvision_vdev_init(usbvision, &usbvision_video_template, "USBVision Video"); - if (usbvision->vdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->vdev, VFL_TYPE_GRABBER, video_nr)<0) { - goto err_exit; - } - info("USBVision[%d]: registered USBVision Video device /dev/video%d [v4l2]", usbvision->nr,usbvision->vdev->minor & 0x1f); - - // Radio Device: - if (usbvision_device_data[usbvision->DevModel].Radio) { - // usbvision has radio - usbvision->rdev = usbvision_vdev_init(usbvision, &usbvision_radio_template, "USBVision Radio"); - if (usbvision->rdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->rdev, VFL_TYPE_RADIO, radio_nr)<0) { - goto err_exit; - } - info("USBVision[%d]: registered USBVision Radio device /dev/radio%d [v4l2]", usbvision->nr, usbvision->rdev->minor & 0x1f); - } - // vbi Device: - if (usbvision_device_data[usbvision->DevModel].vbi) { - usbvision->vbi = usbvision_vdev_init(usbvision, &usbvision_vbi_template, "USBVision VBI"); - if (usbvision->vdev == NULL) { - goto err_exit; - } - if (video_register_device(usbvision->vbi, VFL_TYPE_VBI, vbi_nr)<0) { - goto err_exit; - } - info("USBVision[%d]: registered USBVision VBI device /dev/vbi%d [v4l2] (Not Working Yet!)", usbvision->nr,usbvision->vbi->minor & 0x1f); - } - // all done - return 0; - - err_exit: - err("USBVision[%d]: video_register_device() failed", usbvision->nr); - usbvision_unregister_video(usbvision); - return -1; -} - -/* - * usbvision_alloc() - * - * This code allocates the struct usb_usbvision. It is filled with default values. - * - * Returns NULL on error, a pointer to usb_usbvision else. - * - */ -static struct usb_usbvision *usbvision_alloc(struct usb_device *dev) -{ - struct usb_usbvision *usbvision; - - if ((usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL)) == NULL) { - goto err_exit; - } - - usbvision->dev = dev; - - init_MUTEX(&usbvision->lock); /* to 1 == available */ - - // prepare control urb for control messages during interrupts - usbvision->ctrlUrb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); - if (usbvision->ctrlUrb == NULL) { - goto err_exit; - } - init_waitqueue_head(&usbvision->ctrlUrb_wq); - init_MUTEX(&usbvision->ctrlUrbLock); /* to 1 == available */ - - init_timer(&usbvision->powerOffTimer); - usbvision->powerOffTimer.data = (long) usbvision; - usbvision->powerOffTimer.function = usbvision_powerOffTimer; - - return usbvision; - -err_exit: - if (usbvision && usbvision->ctrlUrb) { - usb_free_urb(usbvision->ctrlUrb); - } - if (usbvision) { - kfree(usbvision); - } - return NULL; -} - -/* - * usbvision_release() - * - * This code does final release of struct usb_usbvision. This happens - * after the device is disconnected -and- all clients closed their files. - * - */ -static void usbvision_release(struct usb_usbvision *usbvision) -{ - PDEBUG(DBG_PROBE, ""); - - down(&usbvision->lock); - - if (timer_pending(&usbvision->powerOffTimer)) { - del_timer(&usbvision->powerOffTimer); - } - - usbvision->usbvision_used = 0; - usbvision->initialized = 0; - - up(&usbvision->lock); - - usbvision_remove_sysfs(usbvision->vdev); - usbvision_unregister_video(usbvision); - if(dga) { - if (usbvision->overlay_base) { - iounmap(usbvision->overlay_base); - } - } - - if (usbvision->ctrlUrb) { - usb_free_urb(usbvision->ctrlUrb); - } - - kfree(usbvision); - - PDEBUG(DBG_PROBE, "success"); -} - - -/* - * usbvision_probe() - * - * This procedure queries device descriptor and accepts the interface - * if it looks like USBVISION video device - * - */ -static int __devinit usbvision_probe(struct usb_interface *intf, const struct usb_device_id *devid) -{ - struct usb_device *dev = interface_to_usbdev(intf); - __u8 ifnum = intf->altsetting->desc.bInterfaceNumber; - const struct usb_host_interface *interface; - struct usb_usbvision *usbvision = NULL; - const struct usb_endpoint_descriptor *endpoint; - int model; - - PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u", - dev->descriptor.idVendor, dev->descriptor.idProduct, ifnum); - /* Is it an USBVISION video dev? */ - model = 0; - for(model = 0; usbvision_device_data[model].idVendor; model++) { - if (le16_to_cpu(dev->descriptor.idVendor) != usbvision_device_data[model].idVendor) { - continue; - } - if (le16_to_cpu(dev->descriptor.idProduct) != usbvision_device_data[model].idProduct) { - continue; - } - - info("%s: %s found", __FUNCTION__, usbvision_device_data[model].ModelString); - break; - } - - if (usbvision_device_data[model].idVendor == 0) { - return -ENODEV; //no matching device - } - if (usbvision_device_data[model].Interface >= 0) { - interface = &dev->actconfig->interface[usbvision_device_data[model].Interface]->altsetting[0]; - } - else { - interface = &dev->actconfig->interface[ifnum]->altsetting[0]; - } - endpoint = &interface->endpoint[1].desc; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { - err("%s: interface %d. has non-ISO endpoint!", __FUNCTION__, ifnum); - err("%s: Endpoint attribures %d", __FUNCTION__, endpoint->bmAttributes); - return -ENODEV; - } - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { - err("%s: interface %d. has ISO OUT endpoint!", __FUNCTION__, ifnum); - return -ENODEV; - } - - usb_get_dev(dev); - - if ((usbvision = usbvision_alloc(dev)) == NULL) { - err("%s: couldn't allocate USBVision struct", __FUNCTION__); - return -ENOMEM; - } - if (dev->descriptor.bNumConfigurations > 1) { - usbvision->bridgeType = BRIDGE_NT1004; - } - else if (usbvision_device_data[model].ModelString == "Dazzle Fusion Model DVC-90 Rev 1 (SECAM)") { - usbvision->bridgeType = BRIDGE_NT1005; - } - else { - usbvision->bridgeType = BRIDGE_NT1003; - } - PDEBUG(DBG_PROBE, "bridgeType %d", usbvision->bridgeType); - - down(&usbvision->lock); - - usbvision->nr = usbvision_nr++; - - usbvision->have_tuner = usbvision_device_data[model].Tuner; - if (usbvision->have_tuner) { - usbvision->tuner_type = usbvision_device_data[model].TunerType; - } - - usbvision->tuner_addr = ADDR_UNSET; - - usbvision->DevModel = model; - usbvision->remove_pending = 0; - usbvision->last_error = 0; - usbvision->iface = ifnum; - usbvision->ifaceAltInactive = 0; - usbvision->ifaceAltActive = 1; - usbvision->video_endp = endpoint->bEndpointAddress; - usbvision->isocPacketSize = 0; - usbvision->usb_bandwidth = 0; - usbvision->user = 0; - usbvision->streaming = Stream_Off; - usbvision_register_video(usbvision); - usbvision_configure_video(usbvision); - up(&usbvision->lock); - - - usb_set_intfdata (intf, usbvision); - usbvision_create_sysfs(usbvision->vdev); - - PDEBUG(DBG_PROBE, "success"); - return 0; -} - - -/* - * usbvision_disconnect() - * - * This procedure stops all driver activity, deallocates interface-private - * structure (pointed by 'ptr') and after that driver should be removable - * with no ill consequences. - * - */ -static void __devexit usbvision_disconnect(struct usb_interface *intf) -{ - struct usb_usbvision *usbvision = usb_get_intfdata(intf); - - PDEBUG(DBG_PROBE, ""); - - if (usbvision == NULL) { - err("%s: usb_get_intfdata() failed", __FUNCTION__); - return; - } - usb_set_intfdata (intf, NULL); - - down(&usbvision->lock); - - // At this time we ask to cancel outstanding URBs - usbvision_stop_isoc(usbvision); - - if (usbvision->power) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); - usbvision_power_off(usbvision); - } - usbvision->remove_pending = 1; // Now all ISO data will be ignored - - usb_put_dev(usbvision->dev); - usbvision->dev = NULL; // USB device is no more - - up(&usbvision->lock); - - if (usbvision->user) { - info("%s: In use, disconnect pending", __FUNCTION__); - wake_up_interruptible(&usbvision->wait_frame); - wake_up_interruptible(&usbvision->wait_stream); - } - else { - usbvision_release(usbvision); - } - - PDEBUG(DBG_PROBE, "success"); - -} - -static struct usb_driver usbvision_driver = { - .name = "usbvision", - .id_table = usbvision_table, - .probe = usbvision_probe, - .disconnect = usbvision_disconnect -}; - -/* - * customdevice_process() - * - * This procedure preprocesses CustomDevice parameter if any - * - */ -void customdevice_process(void) -{ - usbvision_device_data[0]=usbvision_device_data[1]; - usbvision_table[0]=usbvision_table[1]; - - if(CustomDevice) - { - char *parse=CustomDevice; - - PDEBUG(DBG_PROBE, "CustomDevide=%s", CustomDevice); - - /*format is CustomDevice="0x0573 0x4D31 0 7113 3 PAL 1 1 1 5 -1 -1 -1 -1 -1" - usbvision_device_data[0].idVendor; - usbvision_device_data[0].idProduct; - usbvision_device_data[0].Interface; - usbvision_device_data[0].Codec; - usbvision_device_data[0].VideoChannels; - usbvision_device_data[0].VideoNorm; - usbvision_device_data[0].AudioChannels; - usbvision_device_data[0].Radio; - usbvision_device_data[0].Tuner; - usbvision_device_data[0].TunerType; - usbvision_device_data[0].Vin_Reg1; - usbvision_device_data[0].Vin_Reg2; - usbvision_device_data[0].X_Offset; - usbvision_device_data[0].Y_Offset; - usbvision_device_data[0].Dvi_yuv; - usbvision_device_data[0].ModelString; - */ - - rmspace(parse); - usbvision_device_data[0].ModelString="USBVISION Custom Device"; - - parse+=2; - sscanf(parse,"%x",&usbvision_device_data[0].idVendor); - goto2next(parse); - PDEBUG(DBG_PROBE, "idVendor=0x%.4X", usbvision_device_data[0].idVendor); - parse+=2; - sscanf(parse,"%x",&usbvision_device_data[0].idProduct); - goto2next(parse); - PDEBUG(DBG_PROBE, "idProduct=0x%.4X", usbvision_device_data[0].idProduct); - sscanf(parse,"%d",&usbvision_device_data[0].Interface); - goto2next(parse); - PDEBUG(DBG_PROBE, "Interface=%d", usbvision_device_data[0].Interface); - sscanf(parse,"%d",&usbvision_device_data[0].Codec); - goto2next(parse); - PDEBUG(DBG_PROBE, "Codec=%d", usbvision_device_data[0].Codec); - sscanf(parse,"%d",&usbvision_device_data[0].VideoChannels); - goto2next(parse); - PDEBUG(DBG_PROBE, "VideoChannels=%d", usbvision_device_data[0].VideoChannels); - - switch(*parse) - { - case 'P': - PDEBUG(DBG_PROBE, "VideoNorm=PAL"); - usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; - break; - - case 'S': - PDEBUG(DBG_PROBE, "VideoNorm=SECAM"); - usbvision_device_data[0].VideoNorm=VIDEO_MODE_SECAM; - break; - - case 'N': - PDEBUG(DBG_PROBE, "VideoNorm=NTSC"); - usbvision_device_data[0].VideoNorm=VIDEO_MODE_NTSC; - break; - - default: - PDEBUG(DBG_PROBE, "VideoNorm=PAL (by default)"); - usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; - break; - } - goto2next(parse); - - sscanf(parse,"%d",&usbvision_device_data[0].AudioChannels); - goto2next(parse); - PDEBUG(DBG_PROBE, "AudioChannels=%d", usbvision_device_data[0].AudioChannels); - sscanf(parse,"%d",&usbvision_device_data[0].Radio); - goto2next(parse); - PDEBUG(DBG_PROBE, "Radio=%d", usbvision_device_data[0].Radio); - sscanf(parse,"%d",&usbvision_device_data[0].Tuner); - goto2next(parse); - PDEBUG(DBG_PROBE, "Tuner=%d", usbvision_device_data[0].Tuner); - sscanf(parse,"%d",&usbvision_device_data[0].TunerType); - goto2next(parse); - PDEBUG(DBG_PROBE, "TunerType=%d", usbvision_device_data[0].TunerType); - sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg1); - goto2next(parse); - PDEBUG(DBG_PROBE, "Vin_Reg1=%d", usbvision_device_data[0].Vin_Reg1); - sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg2); - goto2next(parse); - PDEBUG(DBG_PROBE, "Vin_Reg2=%d", usbvision_device_data[0].Vin_Reg2); - sscanf(parse,"%d",&usbvision_device_data[0].X_Offset); - goto2next(parse); - PDEBUG(DBG_PROBE, "X_Offset=%d", usbvision_device_data[0].X_Offset); - sscanf(parse,"%d",&usbvision_device_data[0].Y_Offset); - goto2next(parse); - PDEBUG(DBG_PROBE, "Y_Offset=%d", usbvision_device_data[0].Y_Offset); - sscanf(parse,"%d",&usbvision_device_data[0].Dvi_yuv); - PDEBUG(DBG_PROBE, "Dvi_yuv=%d", usbvision_device_data[0].Dvi_yuv); - - //add to usbvision_table also - usbvision_table[0].match_flags=USB_DEVICE_ID_MATCH_DEVICE; - usbvision_table[0].idVendor=usbvision_device_data[0].idVendor; - usbvision_table[0].idProduct=usbvision_device_data[0].idProduct; - - } -} - - - -/* - * usbvision_init() - * - * This code is run to initialize the driver. - * - */ -static int __init usbvision_init(void) -{ - int errCode; - - PDEBUG(DBG_PROBE, ""); - - PDEBUG(DBG_IOCTL, "IOCTL debugging is enabled"); - PDEBUG(DBG_IO, "IO debugging is enabled"); - PDEBUG(DBG_RIO, "RIO debugging is enabled"); - PDEBUG(DBG_HEADER, "HEADER debugging is enabled"); - PDEBUG(DBG_PROBE, "PROBE debugging is enabled"); - PDEBUG(DBG_IRQ, "IRQ debugging is enabled"); - PDEBUG(DBG_ISOC, "ISOC debugging is enabled"); - PDEBUG(DBG_PARSE, "PARSE debugging is enabled"); - PDEBUG(DBG_SCRATCH, "SCRATCH debugging is enabled"); - PDEBUG(DBG_FUNC, "FUNC debugging is enabled"); - PDEBUG(DBG_I2C, "I2C debugging is enabled"); - - /* disable planar mode support unless compression enabled */ - if (isocMode != ISOC_MODE_COMPRESS ) { - // FIXME : not the right way to set supported flag - usbvision_v4l2_format[6].supported = 0; // V4L2_PIX_FMT_YVU420 - usbvision_v4l2_format[7].supported = 0; // V4L2_PIX_FMT_YUV422P - } - - customdevice_process(); - - errCode = usb_register(&usbvision_driver); - - if (errCode == 0) { - info(DRIVER_DESC " : " DRIVER_VERSION); - PDEBUG(DBG_PROBE, "success"); - } - return errCode; -} - -static void __exit usbvision_exit(void) -{ - PDEBUG(DBG_PROBE, ""); - - usb_deregister(&usbvision_driver); - PDEBUG(DBG_PROBE, "success"); -} - -module_init(usbvision_init); -module_exit(usbvision_exit); - /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c index 48afcd2aca3f..2de74e48cbe5 100644 --- a/drivers/media/video/usbvision/usbvision-i2c.c +++ b/drivers/media/video/usbvision/usbvision-i2c.c @@ -37,16 +37,18 @@ #include <linux/sched.h> #include <linux/usb.h> #include <linux/i2c.h> -#include "usbvision-i2c.h" +#include "usbvision.h" -static int debug_i2c_usb = 0; +#define DBG_I2C 1<<0 +#define DBG_ALGO 1<<1 -#if defined(module_param) // Showing parameters under SYSFS -module_param (debug_i2c_usb, int, 0444); // debug_i2c_usb mode of the device driver -#else -MODULE_PARM(debug_i2c_usb, "i"); // debug_i2c_usb mode of the device driver -#endif +static int i2c_debug = 0; + +module_param (i2c_debug, int, 0644); // debug_i2c_usb mode of the device driver +MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); +#define PDEBUG(level, fmt, args...) \ + if (i2c_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args) static inline int try_write_address(struct i2c_adapter *i2c_adap, unsigned char addr, int retries) @@ -67,11 +69,9 @@ static inline int try_write_address(struct i2c_adapter *i2c_adap, break; udelay(adap->udelay); } - if (debug_i2c_usb) { - if (i) { - info("%s: Needed %d retries for address %#2x", __FUNCTION__, i, addr); - info("%s: Maybe there's no device at this address", __FUNCTION__); - } + if (i) { + PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr); + PDEBUG(DBG_ALGO,"Maybe there's no device at this address"); } return ret; } @@ -94,11 +94,9 @@ static inline int try_read_address(struct i2c_adapter *i2c_adap, break; udelay(adap->udelay); } - if (debug_i2c_usb) { - if (i) { - info("%s: Needed %d retries for address %#2x", __FUNCTION__, i, addr); - info("%s: Maybe there's no device at this address", __FUNCTION__); - } + if (i) { + PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr); + PDEBUG(DBG_ALGO,"Maybe there's no device at this address"); } return ret; } @@ -166,9 +164,7 @@ usb_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num) pmsg = &msgs[i]; ret = usb_find_address(i2c_adap, pmsg, i2c_adap->retries, &addr); if (ret != 0) { - if (debug_i2c_usb) { - info("%s: got NAK from device, message #%d\n", __FUNCTION__, i); - } + PDEBUG(DBG_ALGO,"got NAK from device, message #%d", i); return (ret < 0) ? ret : -EREMOTEIO; } @@ -215,6 +211,9 @@ static struct i2c_algorithm i2c_usb_algo = { */ int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap) { + PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]"); + PDEBUG(DBG_ALGO, "ALGO debugging is enabled [i2c]"); + /* register new adapter to i2c module... */ adap->algo = &i2c_usb_algo; @@ -222,17 +221,9 @@ int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap) adap->timeout = 100; /* default values, should */ adap->retries = 3; /* be replaced by defines */ -#ifdef MODULE - #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 21) - MOD_INC_USE_COUNT; - #endif -#endif - i2c_add_adapter(adap); - if (debug_i2c_usb) { - info("i2c bus for %s registered", adap->name); - } + PDEBUG(DBG_ALGO,"i2c bus for %s registered", adap->name); return 0; } @@ -243,17 +234,338 @@ int usbvision_i2c_usb_del_bus(struct i2c_adapter *adap) i2c_del_adapter(adap); - if (debug_i2c_usb) { - info("i2c bus for %s unregistered", adap->name); + PDEBUG(DBG_ALGO,"i2c bus for %s unregistered", adap->name); + + return 0; +} + + +/* ----------------------------------------------------------------------- */ +/* usbvision specific I2C functions */ +/* ----------------------------------------------------------------------- */ +static struct i2c_adapter i2c_adap_template; +static struct i2c_algo_usb_data i2c_algo_template; +static struct i2c_client i2c_client_template; + +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 write reg\n"); + return -EBUSY; + } + +#ifdef CONFIG_MODULES + /* Request the load of the i2c modules we need */ + 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"); } -#ifdef MODULE - #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 21) - MOD_DEC_USE_COUNT; - #endif #endif + return usbvision_i2c_usb_add_bus(&usbvision->i2c_adap); +} + +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."); + break; + case 0x4a: + PDEBUG(DBG_I2C,"attach_inform: saa7113 detected."); + break; + case 0xa0: + PDEBUG(DBG_I2C,"attach_inform: eeprom detected."); + break; + + default: + { + struct tuner_setup tun_setup; + + PDEBUG(DBG_I2C,"attach inform: detected I2C address %x", client->addr << 1); + 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 (i2c_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 (i2c_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 = { + .owner = THIS_MODULE, + .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 +}; + +static struct i2c_client i2c_client_template = { + .name = "usbvision internal", +}; + EXPORT_SYMBOL(usbvision_i2c_usb_add_bus); EXPORT_SYMBOL(usbvision_i2c_usb_del_bus); + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * --------------------------------------------------------------------------- + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/video/usbvision/usbvision-i2c.h b/drivers/media/video/usbvision/usbvision-i2c.h deleted file mode 100644 index a2df8dbdac59..000000000000 --- a/drivers/media/video/usbvision/usbvision-i2c.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * I2C_ALGO_USB.H - * i2c algorithm for USB-I2C Bridges - * - * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> - * - * 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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -#ifndef I2C_ALGO_USB_H -#define I2C_ALGO_USB_H 1 - -#include <linux/i2c.h> - -struct i2c_algo_usb_data { - void *data; /* private data for lowlevel routines */ - int (*inb) (void *data, unsigned char addr, char *buf, short len); - int (*outb) (void *data, unsigned char addr, char *buf, short len); - - /* local settings */ - int udelay; - int mdelay; - int timeout; -}; - -#define I2C_USB_ADAP_MAX 16 - -int usbvision_i2c_usb_add_bus(struct i2c_adapter *); -int usbvision_i2c_usb_del_bus(struct i2c_adapter *); - -static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev) -{ - return dev->data; -} - -static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data) -{ - dev->data = data; -} - - -#endif //I2C_ALGO_USB_H diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c new file mode 100644 index 000000000000..7e26d8336886 --- /dev/null +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -0,0 +1,2060 @@ +/* + * USB USBVISION Video device driver 0.9.9 + * + * + * + * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> + * + * This module is part of usbvision driver project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Let's call the version 0.... until compression decoding is completely + * implemented. + * + * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach. + * It was based on USB CPiA driver written by Peter Pregler, + * Scott J. Bertin and Johannes Erdfelt + * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler & + * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink + * Updates to driver completed by Dwaine P. Garden + * + * + * TODO: + * - use submit_urb for all setup packets + * - Fix memory settings for nt1004. It is 4 times as big as the + * nt1003 memory. + * - Add audio on endpoint 3 for nt1004 chip. Seems impossible, needs a codec interface. Which one? + * - Clean up the driver. + * - optimization for performance. + * - Add Videotext capability (VBI). Working on it..... + * - Check audio for other devices + * + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/slab.h> +#include <linux/mm.h> +#include <linux/utsname.h> +#include <linux/highmem.h> +#include <linux/smp_lock.h> +#include <linux/videodev.h> +#include <linux/vmalloc.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <asm/io.h> +#include <linux/videodev2.h> +#include <linux/video_decoder.h> +#include <linux/i2c.h> + +#include <media/saa7115.h> +#include <media/v4l2-common.h> +#include <media/tuner.h> +#include <media/audiochip.h> + + #include <linux/moduleparam.h> + #include <linux/workqueue.h> + +#ifdef CONFIG_KMOD +#include <linux/kmod.h> +#endif + +#include "usbvision.h" + +#define DRIVER_AUTHOR "Joerg Heckenbach <joerg@heckenbach-aw.de>, Dwaine Garden <DwaineGarden@rogers.com>" +#define DRIVER_NAME "usbvision" +#define DRIVER_ALIAS "USBVision" +#define DRIVER_DESC "USBVision USB Video Device Driver for Linux" +#define DRIVER_LICENSE "GPL" +#define USBVISION_DRIVER_VERSION_MAJOR 0 +#define USBVISION_DRIVER_VERSION_MINOR 9 +#define USBVISION_DRIVER_VERSION_PATCHLEVEL 9 +#define USBVISION_DRIVER_VERSION KERNEL_VERSION(USBVISION_DRIVER_VERSION_MAJOR,USBVISION_DRIVER_VERSION_MINOR,USBVISION_DRIVER_VERSION_PATCHLEVEL) +#define USBVISION_VERSION_STRING __stringify(USBVISION_DRIVER_VERSION_MAJOR) "." __stringify(USBVISION_DRIVER_VERSION_MINOR) "." __stringify(USBVISION_DRIVER_VERSION_PATCHLEVEL) + +#define ENABLE_HEXDUMP 0 /* Enable if you need it */ + + +#define USBVISION_DEBUG /* Turn on debug messages */ + +#ifdef USBVISION_DEBUG + #define PDEBUG(level, fmt, args...) \ + if (video_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args) +#else + #define PDEBUG(level, fmt, args...) do {} while(0) +#endif + +#define DBG_IOCTL 1<<0 +#define DBG_IO 1<<1 +#define DBG_PROBE 1<<2 +#define DBG_FUNC 1<<3 + +//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 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) + +// Function prototypes +static void usbvision_release(struct usb_usbvision *usbvision); + +// Default initalization of device driver parameters +static int isocMode = ISOC_MODE_COMPRESS; // Set the default format for ISOC endpoint +static int video_debug = 0; // Set the default Debug Mode of the device driver +static int PowerOnAtOpen = 1; // Set the default device to power on at startup +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(isocMode, int, 0444); +module_param(video_debug, int, 0444); +module_param(PowerOnAtOpen, int, 0444); +module_param(video_nr, int, 0444); +module_param(radio_nr, int, 0444); +module_param(vbi_nr, int, 0444); +module_param(CustomDevice, charp, 0444); +#else // Old Style +MODULE_PARAM(isocMode, "i"); +MODULE_PARM(video_debug, "i"); // Grab the Debug Mode of the device driver +MODULE_PARM(adjustCompression, "i"); // Grab the compression to be adaptive +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(isocMode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); +MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); +MODULE_PARM_DESC(PowerOnAtOpen, " Set the default device to power on when device is opened. Default: 1 (On)"); +MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)"); +MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)"); +MODULE_PARM_DESC(vbi_nr, "Set vbi device number (/dev/vbiX). Default: -1 (autodetect)"); +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); + MODULE_VERSION(USBVISION_VERSION_STRING); + MODULE_ALIAS(DRIVER_ALIAS); + + +/****************************************************************************************/ +/* SYSFS Code - Copied from the stv680.c usb module. */ +/* Device information is located at /sys/class/video4linux/video0 */ +/* Device parameters information is located at /sys/module/usbvision */ +/* Device USB Information is located at /sys/bus/usb/drivers/USBVision Video Grabber */ +/****************************************************************************************/ + + +#define YES_NO(x) ((x) ? "Yes" : "No") + +static inline struct usb_usbvision *cd_to_usbvision(struct 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", USBVISION_VERSION_STRING); +} +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); + struct v4l2_control ctrl; + ctrl.id = V4L2_CID_HUE; + ctrl.value = 0; + call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); + return sprintf(buf, "%d\n", ctrl.value >> 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); + struct v4l2_control ctrl; + ctrl.id = V4L2_CID_CONTRAST; + ctrl.value = 0; + call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); + return sprintf(buf, "%d\n", ctrl.value >> 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); + struct v4l2_control ctrl; + ctrl.id = V4L2_CID_BRIGHTNESS; + ctrl.value = 0; + call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); + return sprintf(buf, "%d\n", ctrl.value >> 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); + struct v4l2_control ctrl; + ctrl.id = V4L2_CID_SATURATION; + ctrl.value = 0; + call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl); + return sprintf(buf, "%d\n", ctrl.value >> 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_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_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_compression); + video_device_remove_file(vdev, &class_device_attr_bridge); + } +} + + +/* + * usbvision_open() + * + * This is part of Video 4 Linux API. The driver can be opened by one + * client only (checks internal counter 'usbvision->user'). The procedure + * then allocates buffers needed for video processing. + * + */ +static int usbvision_v4l2_open(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); + int errCode = 0; + + PDEBUG(DBG_IO, "open"); + + + usbvision_reset_powerOffTimer(usbvision); + + if (usbvision->user) + errCode = -EBUSY; + else { + /* Allocate memory for the frame buffers */ + errCode = usbvision_frames_alloc(usbvision); + if(!errCode) { + /* Allocate memory for the scratch ring buffer */ + errCode = usbvision_scratch_alloc(usbvision); + if(!errCode) { + /* Allocate memory for the USB S buffers */ + errCode = usbvision_sbuf_alloc(usbvision); + if ((!errCode) && (usbvision->isocMode==ISOC_MODE_COMPRESS)) { + /* Allocate intermediate decompression buffers only if needed */ + errCode = usbvision_decompress_alloc(usbvision); + } + } + } + if (errCode) { + /* Deallocate all buffers if trouble */ + usbvision_frames_free(usbvision); + usbvision_scratch_free(usbvision); + usbvision_sbuf_free(usbvision); + usbvision_decompress_free(usbvision); + } + } + + /* 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,isocMode); + 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) { + } + + /* 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(). + * + */ +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); + + PDEBUG(DBG_IO, "close"); + down(&usbvision->lock); + + usbvision_audio_off(usbvision); + usbvision_restart_isoc(usbvision); + usbvision_stop_isoc(usbvision); + + usbvision_decompress_free(usbvision); + usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); + usbvision_scratch_free(usbvision); + usbvision_sbuf_free(usbvision); + + usbvision->user--; + + if (PowerOnAtOpen) { + /* power off in a little while to avoid off/on every close/open short sequences */ + usbvision_set_powerOffTimer(usbvision); + usbvision->initialized = 0; + } + + up(&usbvision->lock); + + if (usbvision->remove_pending) { + info("%s: Final disconnect", __FUNCTION__); + usbvision_release(usbvision); + } + + PDEBUG(DBG_IO, "success"); + + + return 0; +} + + +/* + * usbvision_ioctl() + * + * This is part of Video 4 Linux API. The procedure handles ioctl() calls. + * + */ +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); + + if (!USBVISION_IS_OPERATIONAL(usbvision)) + return -EFAULT; + + 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 | + (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"); + return 0; + } + case VIDIOC_S_AUDIO: + { + struct v4l2_audio *v = arg; + if(v->index) { + return -EINVAL; + } + PDEBUG(DBG_IOCTL, "VIDIOC_S_AUDIO"); + 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; + + 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*usbvision->max_frame_size; + + vb->memory = V4L2_MEMORY_MMAP; + vb->field = V4L2_FIELD_NONE; + vb->length = usbvision->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; + + return 0; + } + case VIDIOC_STREAMON: + { + int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; + + usbvision->streaming = Stream_On; + + 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_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; + int formatIdx,ret; + + switch(vf->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + { + /* Find requested format in available ones */ + for(formatIdx=0;formatIdx<USBVISION_SUPPORTED_PALETTES;formatIdx++) { + if(vf->fmt.pix.pixelformat == usbvision_v4l2_format[formatIdx].format) { + usbvision->palette = usbvision_v4l2_format[formatIdx]; + break; + } + } + /* robustness */ + if(formatIdx == USBVISION_SUPPORTED_PALETTES) { + return -EINVAL; + } + RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH); + RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT); + + /* stop io in case it is already in progress */ + if(usbvision->streaming == Stream_On) { + if ((ret = usbvision_stream_interrupt(usbvision))) + return ret; + } + usbvision_empty_framequeues(usbvision); + + usbvision->curFrame = NULL; + + // 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; + } + } + default: + return -ENOIOCTLCMD; + } + return 0; +} + +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); +} + + +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; + 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;i<USBVISION_NUMFRAMES;i++) { + frame = &usbvision->frame[i]; + if(frame->grabstate == FrameState_Unused) { + /* Mark it as ready and enqueue frame */ + frame->grabstate = FrameState_Ready; + frame->scanstate = ScanState_Scanning; + 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); + + /* 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); + + down(&usbvision->lock); + + if (!USBVISION_IS_OPERATIONAL(usbvision)) { + up(&usbvision->lock); + return -EFAULT; + } + + if (!(vma->vm_flags & VM_WRITE) || + size != PAGE_ALIGN(usbvision->max_frame_size)) { + up(&usbvision->lock); + 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"); + up(&usbvision->lock); + return -EINVAL; + } + + /* VM_IO is eventually going to replace PageReserved altogether */ + vma->vm_flags |= VM_IO; + vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ + + pos = usbvision->frame[i].data; + while (size > 0) { + + if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { + PDEBUG(DBG_FUNC, "mmap: vm_insert_page failed"); + up(&usbvision->lock); + return -EAGAIN; + } + start += PAGE_SIZE; + pos += PAGE_SIZE; + size -= PAGE_SIZE; + } + + up(&usbvision->lock); + return 0; +} + + +/* + * Here comes the stuff for radio on usbvision based devices + * + */ +static int usbvision_radio_open(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct usb_usbvision *usbvision = (struct usb_usbvision *) video_get_drvdata(dev); + struct v4l2_frequency freq; + int errCode = 0; + + PDEBUG(DBG_IO, "%s:", __FUNCTION__); + + down(&usbvision->lock); + + if (usbvision->user) { + err("%s: Someone tried to open an already opened USBVision Radio!", __FUNCTION__); + errCode = -EBUSY; + } + else { + if(PowerOnAtOpen) { + usbvision_reset_powerOffTimer(usbvision); + 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 (PowerOnAtOpen) { + usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); + usbvision_power_off(usbvision); + usbvision->initialized = 0; + } + } + up(&usbvision->lock); + return errCode; +} + + +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; + + PDEBUG(DBG_IO, ""); + + down(&usbvision->lock); + + usbvision_audio_off(usbvision); + usbvision->radio=0; + usbvision->user--; + + if (PowerOnAtOpen) { + usbvision_set_powerOffTimer(usbvision); + usbvision->initialized = 0; + } + + up(&usbvision->lock); + + if (usbvision->remove_pending) { + info("%s: Final disconnect", __FUNCTION__); + usbvision_release(usbvision); + } + + + PDEBUG(DBG_IO, "success"); + + return errCode; +} + +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_IO, "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_IO,"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_IO,"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_IO, "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_IO, "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_IO, "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_IO, "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_IO, "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_IO, "VIDIOC_S_FREQUENCY freq=0x%X", (unsigned)f->frequency); + + return 0; + } + default: + { + PDEBUG(DBG_IO, "%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 + * + */ +static int usbvision_vbi_open(struct inode *inode, struct file *file) +{ + /* TODO */ + return -EINVAL; + +} + +static int usbvision_vbi_close(struct inode *inode, struct file *file) +{ + /* TODO */ + return -EINVAL; +} + +static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + /* TODO */ + return -EINVAL; +} + +static int usbvision_vbi_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, usbvision_do_vbi_ioctl); +} + + +// +// Video registration stuff +// + +// Video template +static 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, +}; + + +// Radio template +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, +}; + + +// vbi template +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 = &usbvision_vbi_fops, + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + .release = video_device_release, + .name = "usbvision-vbi", + #endif + .minor = -1, +}; + + +static struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision, + struct video_device *vdev_template, + char *name) +{ + struct usb_device *usb_dev = usbvision->dev; + struct video_device *vdev; + + if (usb_dev == NULL) { + err("%s: usbvision->dev is not set", __FUNCTION__); + return NULL; + } + + vdev = video_device_alloc(); + if (NULL == vdev) { + return NULL; + } + *vdev = *vdev_template; +// vdev->minor = -1; + vdev->dev = &usb_dev->dev; + snprintf(vdev->name, sizeof(vdev->name), "%s", name); + video_set_drvdata(vdev, usbvision); + return vdev; +} + +// unregister video4linux devices +static void usbvision_unregister_video(struct usb_usbvision *usbvision) +{ + // vbi Device: + if (usbvision->vbi) { + PDEBUG(DBG_PROBE, "unregister /dev/vbi%d [v4l2]", usbvision->vbi->minor & 0x1f); + if (usbvision->vbi->minor != -1) { + video_unregister_device(usbvision->vbi); + } + else { + video_device_release(usbvision->vbi); + } + usbvision->vbi = NULL; + } + + // Radio Device: + if (usbvision->rdev) { + PDEBUG(DBG_PROBE, "unregister /dev/radio%d [v4l2]", usbvision->rdev->minor & 0x1f); + if (usbvision->rdev->minor != -1) { + video_unregister_device(usbvision->rdev); + } + else { + video_device_release(usbvision->rdev); + } + usbvision->rdev = NULL; + } + + // Video Device: + if (usbvision->vdev) { + PDEBUG(DBG_PROBE, "unregister /dev/video%d [v4l2]", usbvision->vdev->minor & 0x1f); + if (usbvision->vdev->minor != -1) { + video_unregister_device(usbvision->vdev); + } + else { + video_device_release(usbvision->vdev); + } + usbvision->vdev = NULL; + } +} + +// register video4linux devices +static int __devinit usbvision_register_video(struct usb_usbvision *usbvision) +{ + // Video Device: + usbvision->vdev = usbvision_vdev_init(usbvision, &usbvision_video_template, "USBVision Video"); + if (usbvision->vdev == NULL) { + goto err_exit; + } + if (video_register_device(usbvision->vdev, VFL_TYPE_GRABBER, video_nr)<0) { + goto err_exit; + } + info("USBVision[%d]: registered USBVision Video device /dev/video%d [v4l2]", usbvision->nr,usbvision->vdev->minor & 0x1f); + + // Radio Device: + if (usbvision_device_data[usbvision->DevModel].Radio) { + // usbvision has radio + usbvision->rdev = usbvision_vdev_init(usbvision, &usbvision_radio_template, "USBVision Radio"); + if (usbvision->rdev == NULL) { + goto err_exit; + } + if (video_register_device(usbvision->rdev, VFL_TYPE_RADIO, radio_nr)<0) { + goto err_exit; + } + info("USBVision[%d]: registered USBVision Radio device /dev/radio%d [v4l2]", usbvision->nr, usbvision->rdev->minor & 0x1f); + } + // vbi Device: + if (usbvision_device_data[usbvision->DevModel].vbi) { + usbvision->vbi = usbvision_vdev_init(usbvision, &usbvision_vbi_template, "USBVision VBI"); + if (usbvision->vdev == NULL) { + goto err_exit; + } + if (video_register_device(usbvision->vbi, VFL_TYPE_VBI, vbi_nr)<0) { + goto err_exit; + } + info("USBVision[%d]: registered USBVision VBI device /dev/vbi%d [v4l2] (Not Working Yet!)", usbvision->nr,usbvision->vbi->minor & 0x1f); + } + // all done + return 0; + + err_exit: + err("USBVision[%d]: video_register_device() failed", usbvision->nr); + usbvision_unregister_video(usbvision); + return -1; +} + +/* + * usbvision_alloc() + * + * This code allocates the struct usb_usbvision. It is filled with default values. + * + * Returns NULL on error, a pointer to usb_usbvision else. + * + */ +static struct usb_usbvision *usbvision_alloc(struct usb_device *dev) +{ + struct usb_usbvision *usbvision; + + if ((usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL)) == NULL) { + goto err_exit; + } + + usbvision->dev = dev; + + init_MUTEX(&usbvision->lock); /* to 1 == available */ + + // prepare control urb for control messages during interrupts + usbvision->ctrlUrb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); + if (usbvision->ctrlUrb == NULL) { + goto err_exit; + } + init_waitqueue_head(&usbvision->ctrlUrb_wq); + init_MUTEX(&usbvision->ctrlUrbLock); /* to 1 == available */ + + usbvision_init_powerOffTimer(usbvision); + + return usbvision; + +err_exit: + if (usbvision && usbvision->ctrlUrb) { + usb_free_urb(usbvision->ctrlUrb); + } + if (usbvision) { + kfree(usbvision); + } + return NULL; +} + +/* + * usbvision_release() + * + * This code does final release of struct usb_usbvision. This happens + * after the device is disconnected -and- all clients closed their files. + * + */ +static void usbvision_release(struct usb_usbvision *usbvision) +{ + PDEBUG(DBG_PROBE, ""); + + down(&usbvision->lock); + + usbvision_reset_powerOffTimer(usbvision); + + usbvision->initialized = 0; + + up(&usbvision->lock); + + usbvision_remove_sysfs(usbvision->vdev); + usbvision_unregister_video(usbvision); + + if (usbvision->ctrlUrb) { + usb_free_urb(usbvision->ctrlUrb); + } + + kfree(usbvision); + + PDEBUG(DBG_PROBE, "success"); +} + + +/******************************** usb interface *****************************************/ + +static void usbvision_configure_video(struct usb_usbvision *usbvision) +{ + int model,i; + + if (usbvision == NULL) + return; + + model = usbvision->DevModel; + usbvision->palette = usbvision_v4l2_format[2]; // V4L2_PIX_FMT_RGB24; + + if (usbvision_device_data[usbvision->DevModel].Vin_Reg2 >= 0) { + usbvision->Vin_Reg2_Preset = usbvision_device_data[usbvision->DevModel].Vin_Reg2 & 0xff; + } else { + usbvision->Vin_Reg2_Preset = 0; + } + + 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); + } +} + +/* + * usbvision_probe() + * + * This procedure queries device descriptor and accepts the interface + * if it looks like USBVISION video device + * + */ +static int __devinit usbvision_probe(struct usb_interface *intf, const struct usb_device_id *devid) +{ + struct usb_device *dev = interface_to_usbdev(intf); + __u8 ifnum = intf->altsetting->desc.bInterfaceNumber; + const struct usb_host_interface *interface; + struct usb_usbvision *usbvision = NULL; + const struct usb_endpoint_descriptor *endpoint; + int model; + + PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u", + dev->descriptor.idVendor, dev->descriptor.idProduct, ifnum); + /* Is it an USBVISION video dev? */ + model = 0; + for(model = 0; usbvision_device_data[model].idVendor; model++) { + if (le16_to_cpu(dev->descriptor.idVendor) != usbvision_device_data[model].idVendor) { + continue; + } + if (le16_to_cpu(dev->descriptor.idProduct) != usbvision_device_data[model].idProduct) { + continue; + } + + info("%s: %s found", __FUNCTION__, usbvision_device_data[model].ModelString); + break; + } + + if (usbvision_device_data[model].idVendor == 0) { + return -ENODEV; //no matching device + } + if (usbvision_device_data[model].Interface >= 0) { + interface = &dev->actconfig->interface[usbvision_device_data[model].Interface]->altsetting[0]; + } + else { + interface = &dev->actconfig->interface[ifnum]->altsetting[0]; + } + endpoint = &interface->endpoint[1].desc; + if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { + err("%s: interface %d. has non-ISO endpoint!", __FUNCTION__, ifnum); + err("%s: Endpoint attribures %d", __FUNCTION__, endpoint->bmAttributes); + return -ENODEV; + } + if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + err("%s: interface %d. has ISO OUT endpoint!", __FUNCTION__, ifnum); + return -ENODEV; + } + + usb_get_dev(dev); + + if ((usbvision = usbvision_alloc(dev)) == NULL) { + err("%s: couldn't allocate USBVision struct", __FUNCTION__); + return -ENOMEM; + } + if (dev->descriptor.bNumConfigurations > 1) { + usbvision->bridgeType = BRIDGE_NT1004; + } + else if (usbvision_device_data[model].ModelString == "Dazzle Fusion Model DVC-90 Rev 1 (SECAM)") { + usbvision->bridgeType = BRIDGE_NT1005; + } + else { + usbvision->bridgeType = BRIDGE_NT1003; + } + PDEBUG(DBG_PROBE, "bridgeType %d", usbvision->bridgeType); + + down(&usbvision->lock); + + usbvision->nr = usbvision_nr++; + + usbvision->have_tuner = usbvision_device_data[model].Tuner; + if (usbvision->have_tuner) { + usbvision->tuner_type = usbvision_device_data[model].TunerType; + } + + usbvision->tuner_addr = ADDR_UNSET; + + usbvision->DevModel = model; + usbvision->remove_pending = 0; + usbvision->iface = ifnum; + usbvision->ifaceAltInactive = 0; + usbvision->ifaceAltActive = 1; + usbvision->video_endp = endpoint->bEndpointAddress; + usbvision->isocPacketSize = 0; + usbvision->usb_bandwidth = 0; + usbvision->user = 0; + usbvision->streaming = Stream_Off; + usbvision_register_video(usbvision); + usbvision_configure_video(usbvision); + up(&usbvision->lock); + + + usb_set_intfdata (intf, usbvision); + usbvision_create_sysfs(usbvision->vdev); + + PDEBUG(DBG_PROBE, "success"); + return 0; +} + + +/* + * usbvision_disconnect() + * + * This procedure stops all driver activity, deallocates interface-private + * structure (pointed by 'ptr') and after that driver should be removable + * with no ill consequences. + * + */ +static void __devexit usbvision_disconnect(struct usb_interface *intf) +{ + struct usb_usbvision *usbvision = usb_get_intfdata(intf); + + PDEBUG(DBG_PROBE, ""); + + if (usbvision == NULL) { + err("%s: usb_get_intfdata() failed", __FUNCTION__); + return; + } + usb_set_intfdata (intf, NULL); + + down(&usbvision->lock); + + // At this time we ask to cancel outstanding URBs + usbvision_stop_isoc(usbvision); + + if (usbvision->power) { + usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); + usbvision_power_off(usbvision); + } + usbvision->remove_pending = 1; // Now all ISO data will be ignored + + usb_put_dev(usbvision->dev); + usbvision->dev = NULL; // USB device is no more + + up(&usbvision->lock); + + if (usbvision->user) { + info("%s: In use, disconnect pending", __FUNCTION__); + wake_up_interruptible(&usbvision->wait_frame); + wake_up_interruptible(&usbvision->wait_stream); + } + else { + usbvision_release(usbvision); + } + + PDEBUG(DBG_PROBE, "success"); + +} + +static struct usb_driver usbvision_driver = { + .name = "usbvision", + .id_table = usbvision_table, + .probe = usbvision_probe, + .disconnect = usbvision_disconnect +}; + +/* + * customdevice_process() + * + * This procedure preprocesses CustomDevice parameter if any + * + */ +void customdevice_process(void) +{ + usbvision_device_data[0]=usbvision_device_data[1]; + usbvision_table[0]=usbvision_table[1]; + + if(CustomDevice) + { + char *parse=CustomDevice; + + PDEBUG(DBG_PROBE, "CustomDevide=%s", CustomDevice); + + /*format is CustomDevice="0x0573 0x4D31 0 7113 3 PAL 1 1 1 5 -1 -1 -1 -1 -1" + usbvision_device_data[0].idVendor; + usbvision_device_data[0].idProduct; + usbvision_device_data[0].Interface; + usbvision_device_data[0].Codec; + usbvision_device_data[0].VideoChannels; + usbvision_device_data[0].VideoNorm; + usbvision_device_data[0].AudioChannels; + usbvision_device_data[0].Radio; + usbvision_device_data[0].Tuner; + usbvision_device_data[0].TunerType; + usbvision_device_data[0].Vin_Reg1; + usbvision_device_data[0].Vin_Reg2; + usbvision_device_data[0].X_Offset; + usbvision_device_data[0].Y_Offset; + usbvision_device_data[0].Dvi_yuv; + usbvision_device_data[0].ModelString; + */ + + rmspace(parse); + usbvision_device_data[0].ModelString="USBVISION Custom Device"; + + parse+=2; + sscanf(parse,"%x",&usbvision_device_data[0].idVendor); + goto2next(parse); + PDEBUG(DBG_PROBE, "idVendor=0x%.4X", usbvision_device_data[0].idVendor); + parse+=2; + sscanf(parse,"%x",&usbvision_device_data[0].idProduct); + goto2next(parse); + PDEBUG(DBG_PROBE, "idProduct=0x%.4X", usbvision_device_data[0].idProduct); + sscanf(parse,"%d",&usbvision_device_data[0].Interface); + goto2next(parse); + PDEBUG(DBG_PROBE, "Interface=%d", usbvision_device_data[0].Interface); + sscanf(parse,"%d",&usbvision_device_data[0].Codec); + goto2next(parse); + PDEBUG(DBG_PROBE, "Codec=%d", usbvision_device_data[0].Codec); + sscanf(parse,"%d",&usbvision_device_data[0].VideoChannels); + goto2next(parse); + PDEBUG(DBG_PROBE, "VideoChannels=%d", usbvision_device_data[0].VideoChannels); + + switch(*parse) + { + case 'P': + PDEBUG(DBG_PROBE, "VideoNorm=PAL"); + usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; + break; + + case 'S': + PDEBUG(DBG_PROBE, "VideoNorm=SECAM"); + usbvision_device_data[0].VideoNorm=VIDEO_MODE_SECAM; + break; + + case 'N': + PDEBUG(DBG_PROBE, "VideoNorm=NTSC"); + usbvision_device_data[0].VideoNorm=VIDEO_MODE_NTSC; + break; + + default: + PDEBUG(DBG_PROBE, "VideoNorm=PAL (by default)"); + usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL; + break; + } + goto2next(parse); + + sscanf(parse,"%d",&usbvision_device_data[0].AudioChannels); + goto2next(parse); + PDEBUG(DBG_PROBE, "AudioChannels=%d", usbvision_device_data[0].AudioChannels); + sscanf(parse,"%d",&usbvision_device_data[0].Radio); + goto2next(parse); + PDEBUG(DBG_PROBE, "Radio=%d", usbvision_device_data[0].Radio); + sscanf(parse,"%d",&usbvision_device_data[0].Tuner); + goto2next(parse); + PDEBUG(DBG_PROBE, "Tuner=%d", usbvision_device_data[0].Tuner); + sscanf(parse,"%d",&usbvision_device_data[0].TunerType); + goto2next(parse); + PDEBUG(DBG_PROBE, "TunerType=%d", usbvision_device_data[0].TunerType); + sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg1); + goto2next(parse); + PDEBUG(DBG_PROBE, "Vin_Reg1=%d", usbvision_device_data[0].Vin_Reg1); + sscanf(parse,"%d",&usbvision_device_data[0].Vin_Reg2); + goto2next(parse); + PDEBUG(DBG_PROBE, "Vin_Reg2=%d", usbvision_device_data[0].Vin_Reg2); + sscanf(parse,"%d",&usbvision_device_data[0].X_Offset); + goto2next(parse); + PDEBUG(DBG_PROBE, "X_Offset=%d", usbvision_device_data[0].X_Offset); + sscanf(parse,"%d",&usbvision_device_data[0].Y_Offset); + goto2next(parse); + PDEBUG(DBG_PROBE, "Y_Offset=%d", usbvision_device_data[0].Y_Offset); + sscanf(parse,"%d",&usbvision_device_data[0].Dvi_yuv); + PDEBUG(DBG_PROBE, "Dvi_yuv=%d", usbvision_device_data[0].Dvi_yuv); + + //add to usbvision_table also + usbvision_table[0].match_flags=USB_DEVICE_ID_MATCH_DEVICE; + usbvision_table[0].idVendor=usbvision_device_data[0].idVendor; + usbvision_table[0].idProduct=usbvision_device_data[0].idProduct; + + } +} + + + +/* + * usbvision_init() + * + * This code is run to initialize the driver. + * + */ +static int __init usbvision_init(void) +{ + int errCode; + + PDEBUG(DBG_PROBE, ""); + + PDEBUG(DBG_IOCTL, "IOCTL debugging is enabled [video]"); + PDEBUG(DBG_IO, "IO debugging is enabled [video]"); + PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]"); + PDEBUG(DBG_FUNC, "FUNC debugging is enabled [video]"); + + /* disable planar mode support unless compression enabled */ + if (isocMode != ISOC_MODE_COMPRESS ) { + // FIXME : not the right way to set supported flag + usbvision_v4l2_format[6].supported = 0; // V4L2_PIX_FMT_YVU420 + usbvision_v4l2_format[7].supported = 0; // V4L2_PIX_FMT_YUV422P + } + + customdevice_process(); + + errCode = usb_register(&usbvision_driver); + + if (errCode == 0) { + info(DRIVER_DESC " : " USBVISION_VERSION_STRING); + PDEBUG(DBG_PROBE, "success"); + } + return errCode; +} + +static void __exit usbvision_exit(void) +{ + PDEBUG(DBG_PROBE, ""); + + usb_deregister(&usbvision_driver); + PDEBUG(DBG_PROBE, "success"); +} + +module_init(usbvision_init); +module_exit(usbvision_exit); + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * --------------------------------------------------------------------------- + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h index f304e66b03a6..f2eeda8326ff 100644 --- a/drivers/media/video/usbvision/usbvision.h +++ b/drivers/media/video/usbvision/usbvision.h @@ -28,7 +28,9 @@ #include <linux/list.h> #include <linux/usb.h> -#include "usbvision-i2c.h" +#include <media/v4l2-common.h> +#include <media/tuner.h> +#include <linux/videodev2.h> #ifndef VID_HARDWARE_USBVISION #define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */ @@ -139,11 +141,21 @@ #define USBVISION_MAX_ISOC_PACKET_SIZE 959 // NT1003 Specs Document says 1023 #define USBVISION_NUM_HEADERMARKER 20 -#define USBVISION_NUMFRAMES 3 -#define USBVISION_NUMSBUF 2 +#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */ +#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */ #define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds + +#define FRAMERATE_MIN 0 +#define FRAMERATE_MAX 31 + +enum { + ISOC_MODE_YUV422 = 0x03, + ISOC_MODE_YUV420 = 0x14, + ISOC_MODE_COMPRESS = 0x60, +}; + /* This macro restricts an int variable to an inclusive range */ #define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } @@ -181,8 +193,6 @@ mr = LIMIT_RGB(mm_r); \ } - - /* Debugging aid */ #define USBVISION_SAY_AND_WAIT(what) { \ wait_queue_head_t wq; \ @@ -202,7 +212,23 @@ ((udevice)->last_error == 0) && \ (!(udevice)->remove_pending)) +/* I2C structures */ +struct i2c_algo_usb_data { + void *data; /* private data for lowlevel routines */ + int (*inb) (void *data, unsigned char addr, char *buf, short len); + int (*outb) (void *data, unsigned char addr, char *buf, short len); + + /* local settings */ + int udelay; + int mdelay; + int timeout; +}; +#define I2C_USB_ADAP_MAX 16 + +/* ----------------------------------------------------------------- */ +/* usbvision video structures */ +/* ----------------------------------------------------------------- */ enum ScanState { ScanState_Scanning, /* Scanning for header */ ScanState_Lines /* Parsing lines */ @@ -347,7 +373,6 @@ struct usb_usbvision { struct video_device *vdev; /* Video Device */ struct video_device *rdev; /* Radio Device */ struct video_device *vbi; /* VBI Device */ - struct video_audio audio_dev; /* Current audio params */ /* i2c Declaration Section*/ struct i2c_adapter i2c_adap; @@ -361,6 +386,7 @@ struct usb_usbvision { wait_queue_head_t ctrlUrb_wq; // Processes waiting struct semaphore ctrlUrbLock; + /* configuration part */ int have_tuner; int tuner_type; int tuner_addr; @@ -372,7 +398,7 @@ struct usb_usbvision { int AudioMute; int AudioChannel; int isocMode; // format of video data for the usb isoc-transfer - unsigned int nr; // Number of the device < MAX_USBVISION + unsigned int nr; // Number of the device /* Device structure */ struct usb_device *dev; @@ -384,7 +410,6 @@ struct usb_usbvision { struct work_struct powerOffWork; int power; /* is the device powered on? */ int user; /* user count for exclusive use */ - int usbvision_used; /* Is this structure in use? */ int initialized; /* Had we already sent init sequence? */ int DevModel; /* What type of USBVISION device we got? */ enum StreamState streaming; /* Are we streaming Isochronous? */ @@ -402,7 +427,6 @@ struct usb_usbvision { wait_queue_head_t wait_stream; /* Processes waiting */ struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer - int curSbufNum; // number of current receiving sbuf struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering volatile int remove_pending; /* If set then about to exit */ @@ -413,13 +437,7 @@ struct usb_usbvision { int scratch_headermarker[USBVISION_NUM_HEADERMARKER]; int scratch_headermarker_read_ptr; int scratch_headermarker_write_ptr; - int isocstate; - /* color controls */ - int saturation; - int hue; - int brightness; - int contrast; - int depth; + enum IsocState isocstate; struct usbvision_v4l2_format_st palette; struct v4l2_capability vcap; /* Video capabilities */ @@ -427,17 +445,6 @@ struct usb_usbvision { struct usbvision_tvnorm *tvnorm; /* selected tv norm */ unsigned char video_endp; /* 0x82 for USBVISION devices based */ - // Overlay stuff: - struct v4l2_framebuffer vid_buf; - struct v4l2_format vid_win; - int vid_buf_valid; // Status: video buffer is valid (set) - int vid_win_valid; // Status: video window is valid (set) - int overlay; /*Status: Are we overlaying? */ - unsigned int clipmask[USBVISION_CLIPMASK_SIZE / 4]; - unsigned char *overlay_base; /* Virtual base address of video buffer */ - unsigned char *overlay_win; /* virt start address of overlay window */ - struct usbvision_frame overlay_frame; - // Decompression stuff: unsigned char *IntraFrameBuffer; /* Buffer for reference frame */ int BlockPos; //for test only @@ -449,16 +456,6 @@ struct usb_usbvision { int lastComprLevel; // How strong (100) or weak (0) was compression int usb_bandwidth; /* Mbit/s */ - /* /proc entries, relative to /proc/video/usbvision/ */ - struct proc_dir_entry *proc_devdir; /* Per-device proc directory */ - struct proc_dir_entry *proc_info; /* <minor#>/info entry */ - struct proc_dir_entry *proc_register; /* <minor#>/register entry */ - struct proc_dir_entry *proc_freq; /* <minor#>/freq entry */ - struct proc_dir_entry *proc_input; /* <minor#>/input entry */ - struct proc_dir_entry *proc_frame; /* <minor#>/frame entry */ - struct proc_dir_entry *proc_button; /* <minor#>/button entry */ - struct proc_dir_entry *proc_control; /* <minor#>/control entry */ - /* Statistics that can be overlayed on the screen */ unsigned long isocUrbCount; // How many URBs we received so far unsigned long urb_length; /* Length of last URB */ @@ -479,6 +476,70 @@ struct usb_usbvision { int ComprBlockTypes[4]; }; + +/* --------------------------------------------------------------- */ +/* defined in usbvision-i2c.c */ +/* i2c-algo-usb declaration */ +/* --------------------------------------------------------------- */ + +int usbvision_i2c_usb_add_bus(struct i2c_adapter *); +int usbvision_i2c_usb_del_bus(struct i2c_adapter *); + +static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev) +{ + return dev->data; +} + +static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data) +{ + dev->data = data; +} + + +/* ----------------------------------------------------------------------- */ +/* usbvision specific I2C functions */ +/* ----------------------------------------------------------------------- */ +int usbvision_init_i2c(struct usb_usbvision *usbvision); +void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg); + +/* defined in usbvision-core.c */ +void *usbvision_rvmalloc(unsigned long size); +void usbvision_rvfree(void *mem, unsigned long size); +int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); +int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, + unsigned char value); + +int usbvision_frames_alloc(struct usb_usbvision *usbvision); +void usbvision_frames_free(struct usb_usbvision *usbvision); +int usbvision_scratch_alloc(struct usb_usbvision *usbvision); +void usbvision_scratch_free(struct usb_usbvision *usbvision); +int usbvision_sbuf_alloc(struct usb_usbvision *usbvision); +void usbvision_sbuf_free(struct usb_usbvision *usbvision); +int usbvision_decompress_alloc(struct usb_usbvision *usbvision); +void usbvision_decompress_free(struct usb_usbvision *usbvision); + +int usbvision_setup(struct usb_usbvision *usbvision,int format); +int usbvision_init_isoc(struct usb_usbvision *usbvision); +int usbvision_restart_isoc(struct usb_usbvision *usbvision); +void usbvision_stop_isoc(struct usb_usbvision *usbvision); + +int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel); +int usbvision_audio_off(struct usb_usbvision *usbvision); + +int usbvision_begin_streaming(struct usb_usbvision *usbvision); +void usbvision_empty_framequeues(struct usb_usbvision *dev); +int usbvision_stream_interrupt(struct usb_usbvision *dev); + +int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); +int usbvision_set_input(struct usb_usbvision *usbvision); +int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); + +void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision); +void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision); +void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision); +int usbvision_power_off(struct usb_usbvision *usbvision); +int usbvision_power_on(struct usb_usbvision *usbvision); + #endif /* __LINUX_USBVISION_H */ /* |