/*
- * 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
* 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>
#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>
#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
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 */
* This is used when initializing the contents of the area.
*/
-
void *usbvision_rvmalloc(unsigned long size)
{
void *mem;
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;
}
-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)
{
usbvision->isocstate = IsocState_NoFrame;
}
-
-
-/* Here comes the OVERLAY stuff */
-
-/* Tell the interrupt handler what to to. */
-static
-void usbvision_cap(struct usb_usbvision* usbvision, int on)
-{
- DEBUG(printk(KERN_DEBUG "usbvision_cap: overlay was %d, set it to %d\n", usbvision->overlay, on);)
-
- if (on) {
- usbvision->overlay = 1;
- }
- else {
- usbvision->overlay = 0;
- }
-}
-
-
-
-
-/* append a new clipregion to the vector of video_clips */
-static
-void usbvision_new_clip(struct v4l2_format* vf, struct v4l2_clip* vcp, int x, int y, int w, int h)
-{
- vcp[vf->fmt.win.clipcount].c.left = x;
- vcp[vf->fmt.win.clipcount].c.top = y;
- vcp[vf->fmt.win.clipcount].c.width = w;
- vcp[vf->fmt.win.clipcount].c.height = h;
- vf->fmt.win.clipcount++;
-}
-
-
-#define mark_pixel(x,y) usbvision->clipmask[((x) + (y) * MAX_FRAME_WIDTH)/32] |= 0x00000001<<((x)%32)
-#define clipped_pixel(index) usbvision->clipmask[(index)/32] & (0x00000001<<((index)%32))
-
-static
-void usbvision_built_overlay(struct usb_usbvision* usbvision, int count, struct v4l2_clip *vcp)
-{
- usbvision->overlay_win = usbvision->overlay_base +
- (signed int)usbvision->vid_win.fmt.win.w.left * usbvision->depth / 8 +
- (signed int)usbvision->vid_win.fmt.win.w.top * usbvision->vid_buf.fmt.bytesperline;
-
- IODEBUG(printk(KERN_DEBUG "built_overlay base=%p, win=%p, bpl=%d, clips=%d, size=%dx%d\n",
- usbvision->overlay_base, usbvision->overlay_win,
- usbvision->vid_buf.fmt.bytesperline, count,
- usbvision->vid_win.fmt.win.w.width, usbvision->vid_win.fmt.win.w.height);)
-
-
- /* Add here generation of clipping mask */
-{
- int x_start, x_end, y_start, y_end;
- int clip_index, x, y;
-
- memset(usbvision->clipmask, 0, USBVISION_CLIPMASK_SIZE);
-
- OVDEBUG(printk(KERN_DEBUG "clips = %d\n", count);)
-
- for(clip_index = 0; clip_index < count; clip_index++) {
- OVDEBUG(printk(KERN_DEBUG "clip: %d,%d,%d,%d\n", vcp[clip_index].x,
- vcp[clip_index].y,
- vcp[clip_index].width,
- vcp[clip_index].height);)
-
- x_start = vcp[clip_index].c.left;
- if(x_start >= (int)usbvision->vid_win.fmt.win.w.width) {
- OVDEBUG(printk(KERN_DEBUG "x_start=%d\n", x_start);)
- continue; //clipping window is right of overlay window
- }
- x_end = x_start + vcp[clip_index].c.width;
- if(x_end <= 0) {
- OVDEBUG(printk(KERN_DEBUG "x_end=%d\n", x_end);)
- continue; //clipping window is left of overlay window
- }
-
- y_start = vcp[clip_index].c.top;
- if(y_start >= (int)usbvision->vid_win.fmt.win.w.height) {
- OVDEBUG(printk(KERN_DEBUG "y_start=%d\n", y_start);)
- continue; //clipping window is below overlay window
- }
- y_end = y_start + vcp[clip_index].c.height;
- if(y_end <= 0) {
- OVDEBUG(printk(KERN_DEBUG "y_end=%d\n", y_end);)
- continue; //clipping window is above overlay window
- }
-
- //clip the clipping window
- if (x_start < 0) {
- x_start = 0;
- }
- if (x_end > (int)usbvision->vid_win.fmt.win.w.width) {
- x_end = (int)usbvision->vid_win.fmt.win.w.width;
- }
- if (y_start < 0) {
- y_start = 0;
- }
- if (y_end > (int)usbvision->vid_win.fmt.win.w.height) {
- y_end = (int)usbvision->vid_win.fmt.win.w.height;
- }
-
- OVDEBUG(printk(KERN_DEBUG "clip_o: %d,%d,%d,%d\n", x_start, y_start, x_end, y_end);)
-
-
-
- for(y = y_start; y < y_end; y++) {
- for(x = x_start; x < x_end; x++) {
- mark_pixel(x,y);
- }
- }
- }
-}
-
-}
-
-
-
-void usbvision_osd_char(struct usb_usbvision *usbvision,
- struct usbvision_frame *frame, int x, int y, int ch)
+int usbvision_scratch_alloc(struct usb_usbvision *usbvision)
{
- 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()
*
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()
*
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
frame->scanstate = ScanState_Lines;
frame->curline = 0;
- if (flags & FLAGS_FORCE_TESTPATTERN) {
+ if (force_testpattern) {
usbvision_testpattern(usbvision, 1, 1);
return ParseState_NextFrame;
}
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;
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
}
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
}
}
}
-
+/* The decompression routine */
static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *Compressed,
unsigned char *Decompressed, int *StartPos,
int *BlockTypeStartPos, int Len)
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) {
}
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];
}
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 */
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;
}
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;
}
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;
}
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;
}
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));
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)) {
/* 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);
}
* >= 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];
* -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;
}
-
-
static int usbvision_init_compression(struct usb_usbvision *usbvision)
{
int errCode = 0;
return errCode;
}
-/* ----------------------------------------------------------------------- */
-/* I2C functions */
-/* ----------------------------------------------------------------------- */
-
-static void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,
- void *arg)
-{
- BUG_ON(NULL == usbvision->i2c_adap.algo_data);
- i2c_clients_command(&usbvision->i2c_adap, cmd, arg);
-}
-
-static int attach_inform(struct i2c_client *client)
-{
- struct usb_usbvision *usbvision;
-
- usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
-
- switch (client->addr << 1) {
- case 0x43:
- case 0x4b:
- {
- struct tuner_setup tun_setup;
-
- tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
- tun_setup.type = TUNER_TDA9887;
- tun_setup.addr = client->addr;
-
- call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup);
-
- break;
- }
- case 0x42:
- PDEBUG(DBG_I2C,"attach_inform: saa7114 detected.\n");
- break;
- case 0x4a:
- PDEBUG(DBG_I2C,"attach_inform: saa7113 detected.\n");
- break;
- case 0xa0:
- PDEBUG(DBG_I2C,"attach_inform: eeprom detected.\n");
- break;
-
- default:
- PDEBUG(DBG_I2C,"attach inform: detected I2C address %x\n", client->addr << 1);
- {
- struct tuner_setup tun_setup;
-
- usbvision->tuner_addr = client->addr;
-
- if ((usbvision->have_tuner) && (usbvision->tuner_type != -1)) {
- tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
- tun_setup.type = usbvision->tuner_type;
- tun_setup.addr = usbvision->tuner_addr;
- call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup);
- }
- }
- break;
- }
- return 0;
-}
-
-static int detach_inform(struct i2c_client *client)
-{
- struct usb_usbvision *usbvision;
-
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- usbvision = (struct usb_usbvision *)client->adapter->data;
- #else
- usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
- #endif
-
- PDEBUG(DBG_I2C, "usbvision[%d] detaches %s", usbvision->nr, client->name);
- return 0;
-}
-
-static int
-usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
- char *buf, short len)
-{
- int rc, retries;
-
- for (retries = 5;;) {
- rc = usbvision_write_reg(usbvision, USBVISION_SER_ADRS, addr);
- if (rc < 0)
- return rc;
-
- /* Initiate byte read cycle */
- /* USBVISION_SER_CONT <- d0-d2 n. of bytes to r/w */
- /* d3 0=Wr 1=Rd */
- rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
- (len & 0x07) | 0x18);
- if (rc < 0)
- return rc;
-
- /* Test for Busy and ACK */
- do {
- /* USBVISION_SER_CONT -> d4 == 0 busy */
- rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
- } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
- if (rc < 0)
- return rc;
-
- /* USBVISION_SER_CONT -> d5 == 1 Not ack */
- if ((rc & 0x20) == 0) /* Ack? */
- break;
-
- /* I2C abort */
- rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
- if (rc < 0)
- return rc;
-
- if (--retries < 0)
- return -1;
- }
-
- switch (len) {
- case 4:
- buf[3] = usbvision_read_reg(usbvision, USBVISION_SER_DAT4);
- case 3:
- buf[2] = usbvision_read_reg(usbvision, USBVISION_SER_DAT3);
- case 2:
- buf[1] = usbvision_read_reg(usbvision, USBVISION_SER_DAT2);
- case 1:
- buf[0] = usbvision_read_reg(usbvision, USBVISION_SER_DAT1);
- break;
- default:
- printk(KERN_ERR
- "usbvision_i2c_read_max4: buffer length > 4\n");
- }
-
- if (debug & DBG_I2C) {
- int idx;
- for (idx = 0; idx < len; idx++) {
- PDEBUG(DBG_I2C, "read %x from address %x", (unsigned char)buf[idx], addr);
- }
- }
- return len;
-}
-
-
-static int usbvision_i2c_write_max4(struct usb_usbvision *usbvision,
- unsigned char addr, const char *buf,
- short len)
-{
- int rc, retries;
- int i;
- unsigned char value[6];
- unsigned char ser_cont;
-
- ser_cont = (len & 0x07) | 0x10;
-
- value[0] = addr;
- value[1] = ser_cont;
- for (i = 0; i < len; i++)
- value[i + 2] = buf[i];
-
- for (retries = 5;;) {
- rc = usb_control_msg(usbvision->dev,
- usb_sndctrlpipe(usbvision->dev, 1),
- USBVISION_OP_CODE,
- USB_DIR_OUT | USB_TYPE_VENDOR |
- USB_RECIP_ENDPOINT, 0,
- (__u16) USBVISION_SER_ADRS, value,
- len + 2, HZ);
-
- if (rc < 0)
- return rc;
-
- rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
- (len & 0x07) | 0x10);
- if (rc < 0)
- return rc;
-
- /* Test for Busy and ACK */
- do {
- rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
- } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
- if (rc < 0)
- return rc;
-
- if ((rc & 0x20) == 0) /* Ack? */
- break;
-
- /* I2C abort */
- usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
-
- if (--retries < 0)
- return -1;
-
- }
-
- if (debug & DBG_I2C) {
- int idx;
- for (idx = 0; idx < len; idx++) {
- PDEBUG(DBG_I2C, "wrote %x at address %x", (unsigned char)buf[idx], addr);
- }
- }
- return len;
-}
-
-static int usbvision_i2c_write(void *data, unsigned char addr, char *buf,
- short len)
-{
- char *bufPtr = buf;
- int retval;
- int wrcount = 0;
- int count;
- int maxLen = 4;
- struct usb_usbvision *usbvision = (struct usb_usbvision *) data;
-
- while (len > 0) {
- count = (len > maxLen) ? maxLen : len;
- retval = usbvision_i2c_write_max4(usbvision, addr, bufPtr, count);
- if (retval > 0) {
- len -= count;
- bufPtr += count;
- wrcount += count;
- } else
- return (retval < 0) ? retval : -EFAULT;
- }
- return wrcount;
-}
-
-static int usbvision_i2c_read(void *data, unsigned char addr, char *buf,
- short len)
-{
- char temp[4];
- int retval, i;
- int rdcount = 0;
- int count;
- struct usb_usbvision *usbvision = (struct usb_usbvision *) data;
-
- while (len > 0) {
- count = (len > 3) ? 4 : len;
- retval = usbvision_i2c_read_max4(usbvision, addr, temp, count);
- if (retval > 0) {
- for (i = 0; i < len; i++)
- buf[rdcount + i] = temp[i];
- len -= count;
- rdcount += count;
- } else
- return (retval < 0) ? retval : -EFAULT;
- }
- return rdcount;
-}
-
-static struct i2c_algo_usb_data i2c_algo_template = {
- .data = NULL,
- .inb = usbvision_i2c_read,
- .outb = usbvision_i2c_write,
- .udelay = 10,
- .mdelay = 10,
- .timeout = 100,
-};
-
-static struct i2c_adapter i2c_adap_template = {
- .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
+ *******************************/
-
-/****************************/
-/* usbvision utility functions */
-/****************************/
-
-static int usbvision_power_off(struct usb_usbvision *usbvision)
+int usbvision_power_off(struct usb_usbvision *usbvision)
{
int errCode = 0;
}
-// 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()
*
*
*/
-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;
}
+/*
+ * 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;
* 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;
* 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;
*
*/
-static int usbvision_power_on(struct usb_usbvision *usbvision)
+int usbvision_power_on(struct usb_usbvision *usbvision)
{
int errCode = 0;
}
+/*
+ * 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;
}
+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;
* 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;
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) {
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);
}
-/*
- * usbvision_init_isoc()
- *
- */
-static int usbvision_init_isoc(struct usb_usbvision *usbvision)
+int usbvision_sbuf_alloc(struct usb_usbvision *usbvision)
{
- struct usb_device *dev = usbvision->dev;
- int bufIdx, errCode, regValue;
+ int i, errCode = 0;
+ const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE;
- if (!USBVISION_IS_OPERATIONAL(usbvision))
- return -EFAULT;
+ /* Clean pointers so we know if we allocated something */
+ for (i = 0; i < USBVISION_NUMSBUF; i++)
+ usbvision->sbuf[i].data = NULL;
- usbvision->curFrame = NULL;
- scratch_reset(usbvision);
+ 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;
+}
- /* Alternate interface 1 is is the biggest frame size */
+
+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()
+ *
+ */
+int usbvision_init_isoc(struct usb_usbvision *usbvision)
+{
+ struct usb_device *dev = usbvision->dev;
+ int bufIdx, errCode, regValue;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return -EFAULT;
+
+ usbvision->curFrame = NULL;
+ scratch_reset(usbvision);
+
+ /* Alternate interface 1 is is the biggest frame size */
errCode = usb_set_interface(dev, usbvision->iface, usbvision->ifaceAltActive);
if (errCode < 0) {
usbvision->last_error = errCode;
* 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;
}
}
-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};
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.
* ---------------------------------------------------------------------------
--- /dev/null
+/*
+ * 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:
+ */
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff