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Commit b7eee616 authored by Antoine Jacquet's avatar Antoine Jacquet Committed by Mauro Carvalho Chehab
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V4L/DVB (5257): USB: add zr364xx V4L2 driver 

This patch adds a V4L2 driver giving support for USB webcams based on the
zr364xx chipsets.
Signed-off-by: default avatarAntoine Jacquet <royale@zerezo.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent a205752d
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Documentation/video4linux/zr364xx.txt 0 → 100644
View file @ b7eee616
Zoran 364xx based USB webcam module version 0.72
site: http://royale.zerezo.com/zr364xx/
mail: royale@zerezo.com
introduction:
This brings support under Linux for the Aiptek PocketDV 3300 in webcam mode.
If you just want to get on your PC the pictures and movies on the camera, you should use the usb-storage module instead.
The driver works with several other cameras in webcam mode (see the list below).
Maybe this code can work for other JPEG/USB cams based on the Coach chips from Zoran?
Possible chipsets are : ZR36430 (ZR36430BGC) and maybe ZR36431, ZR36440, ZR36442...
You can try the experience changing the vendor/product ID values (look at the source code).
You can get these values by looking at /var/log/messages when you plug your camera, or by typing : cat /proc/bus/usb/devices.
If you manage to use your cam with this code, you can send me a mail (royale@zerezo.com) with the name of your cam and a patch if needed.
This is a beta release of the driver.
Since version 0.70, this driver is only compatible with V4L2 API and 2.6.x kernels.
If you need V4L1 or 2.4x kernels support, please use an older version, but the code is not maintained anymore.
Good luck!
install:
In order to use this driver, you must compile it with your kernel.
Location: Device Drivers -> Multimedia devices -> Video For Linux -> Video Capture Adapters -> V4L USB devices
usage:
modprobe zr364xx debug=X mode=Y
- debug : set to 1 to enable verbose debug messages
- mode : 0 = 320x240, 1 = 160x120, 2 = 640x480
You can then use the camera with V4L2 compatible applications, for example Ekiga.
To capture a single image, try this: dd if=/dev/video0 of=test.jpg bs=1 count=1
links :
http://mxhaard.free.fr/ (support for many others cams including some Aiptek PocketDV)
http://www.harmwal.nl/pccam880/ (this project also supports cameras based on this chipset)
supported devices:
------ ------- ----------- -----
Vendor Product Distributor Model
------ ------- ----------- -----
0x08ca 0x0109 Aiptek PocketDV 3300
0x08ca 0x0109 Maxell Maxcam PRO DV3
0x041e 0x4024 Creative PC-CAM 880
0x0d64 0x0108 Aiptek Fidelity 3200
0x0d64 0x0108 Praktica DCZ 1.3 S
0x0d64 0x0108 Genius Digital Camera (?)
0x0d64 0x0108 DXG Technology Fashion Cam
0x0546 0x3187 Polaroid iON 230
0x0d64 0x3108 Praktica Exakta DC 2200
0x0d64 0x3108 Genius G-Shot D211
0x0595 0x4343 Concord Eye-Q Duo 1300
0x0595 0x4343 Concord Eye-Q Duo 2000
0x0595 0x4343 Fujifilm EX-10
0x0595 0x4343 Ricoh RDC-6000
0x0595 0x4343 Digitrex DSC 1300
0x0595 0x4343 Firstline FDC 2000
0x0bb0 0x500d Concord EyeQ Go Wireless
0x0feb 0x2004 CRS Electronic 3.3 Digital Camera
0x0feb 0x2004 Packard Bell DSC-300
0x055f 0xb500 Mustek MDC 3000
0x08ca 0x2062 Aiptek PocketDV 5700
0x052b 0x1a18 Chiphead Megapix V12
0x04c8 0x0729 Konica Revio 2
0x04f2 0xa208 Creative PC-CAM 850
0x0784 0x0040 Traveler Slimline X5
0x06d6 0x0034 Trust Powerc@m 750
0x0a17 0x0062 Pentax Optio 50L
MAINTAINERS
View file @ b7eee616
...@@ -55,7 +55,7 @@ trivial patch so apply some common sense. ...@@ -55,7 +55,7 @@ trivial patch so apply some common sense.
8. Happy hacking. 8. Happy hacking.
----------------------------------- -----------------------------------
Maintainers List (try to look for most precise areas first) Maintainers List (try to look for most precise areas first)
...@@ -907,7 +907,7 @@ L: linux-cifs-client@lists.samba.org ...@@ -907,7 +907,7 @@ L: linux-cifs-client@lists.samba.org
L: samba-technical@lists.samba.org L: samba-technical@lists.samba.org
W: http://us1.samba.org/samba/Linux_CIFS_client.html W: http://us1.samba.org/samba/Linux_CIFS_client.html
T: git kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6.git T: git kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6.git
S: Supported S: Supported
CONFIGFS CONFIGFS
P: Joel Becker P: Joel Becker
...@@ -1549,19 +1549,19 @@ P: Chirag Kantharia ...@@ -1549,19 +1549,19 @@ P: Chirag Kantharia
M: chirag.kantharia@hp.com M: chirag.kantharia@hp.com
L: iss_storagedev@hp.com L: iss_storagedev@hp.com
S: Maintained S: Maintained
HEWLETT-PACKARD SMART2 RAID DRIVER HEWLETT-PACKARD SMART2 RAID DRIVER
P: Chirag Kantharia P: Chirag Kantharia
M: chirag.kantharia@hp.com M: chirag.kantharia@hp.com
L: iss_storagedev@hp.com L: iss_storagedev@hp.com
S: Maintained S: Maintained
HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss) HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss)
P: Mike Miller P: Mike Miller
M: mike.miller@hp.com M: mike.miller@hp.com
L: iss_storagedev@hp.com L: iss_storagedev@hp.com
S: Supported S: Supported
HOST AP DRIVER HOST AP DRIVER
P: Jouni Malinen P: Jouni Malinen
M: jkmaline@cc.hut.fi M: jkmaline@cc.hut.fi
...@@ -1673,7 +1673,7 @@ P: Jack Hammer ...@@ -1673,7 +1673,7 @@ P: Jack Hammer
P: Dave Jeffery P: Dave Jeffery
M: ipslinux@adaptec.com M: ipslinux@adaptec.com
W: http://www.developer.ibm.com/welcome/netfinity/serveraid.html W: http://www.developer.ibm.com/welcome/netfinity/serveraid.html
S: Supported S: Supported
IDE SUBSYSTEM IDE SUBSYSTEM
P: Bartlomiej Zolnierkiewicz P: Bartlomiej Zolnierkiewicz
...@@ -1975,7 +1975,7 @@ M: kai@germaschewski.name ...@@ -1975,7 +1975,7 @@ M: kai@germaschewski.name
P: Sam Ravnborg P: Sam Ravnborg
M: sam@ravnborg.org M: sam@ravnborg.org
T: git kernel.org:/pub/scm/linux/kernel/git/sam/kbuild.git T: git kernel.org:/pub/scm/linux/kernel/git/sam/kbuild.git
S: Maintained S: Maintained
KERNEL JANITORS KERNEL JANITORS
P: Several P: Several
...@@ -2155,7 +2155,7 @@ S: Maintained ...@@ -2155,7 +2155,7 @@ S: Maintained
LOGICAL DISK MANAGER SUPPORT (LDM, Windows 2000/XP Dynamic Disks) LOGICAL DISK MANAGER SUPPORT (LDM, Windows 2000/XP Dynamic Disks)
P: Richard Russon (FlatCap) P: Richard Russon (FlatCap)
M: ldm@flatcap.org M: ldm@flatcap.org
L: ldm-devel@lists.sourceforge.net L: ldm-devel@lists.sourceforge.net
W: http://ldm.sourceforge.net W: http://ldm.sourceforge.net
S: Maintained S: Maintained
...@@ -2504,13 +2504,13 @@ P: Kurt Hackel ...@@ -2504,13 +2504,13 @@ P: Kurt Hackel
M: kurt.hackel@oracle.com M: kurt.hackel@oracle.com
L: ocfs2-devel@oss.oracle.com L: ocfs2-devel@oss.oracle.com
W: http://oss.oracle.com/projects/ocfs2/ W: http://oss.oracle.com/projects/ocfs2/
S: Supported S: Supported
OLYMPIC NETWORK DRIVER OLYMPIC NETWORK DRIVER
P: Peter De Shrijver P: Peter De Shrijver
M: p2@ace.ulyssis.student.kuleuven.ac.be M: p2@ace.ulyssis.student.kuleuven.ac.be
P: Mike Phillips P: Mike Phillips
M: mikep@linuxtr.net M: mikep@linuxtr.net
L: netdev@vger.kernel.org L: netdev@vger.kernel.org
L: linux-tr@linuxtr.net L: linux-tr@linuxtr.net
W: http://www.linuxtr.net W: http://www.linuxtr.net
...@@ -3045,7 +3045,7 @@ SIS FRAMEBUFFER DRIVER ...@@ -3045,7 +3045,7 @@ SIS FRAMEBUFFER DRIVER
P: Thomas Winischhofer P: Thomas Winischhofer
M: thomas@winischhofer.net M: thomas@winischhofer.net
W: http://www.winischhofer.net/linuxsisvga.shtml W: http://www.winischhofer.net/linuxsisvga.shtml
S: Maintained S: Maintained
SIS USB2VGA DRIVER SIS USB2VGA DRIVER
P: Thomas Winischhofer P: Thomas Winischhofer
...@@ -3649,6 +3649,14 @@ L: linux-usb-devel@lists.sourceforge.net ...@@ -3649,6 +3649,14 @@ L: linux-usb-devel@lists.sourceforge.net
W: http://linux-lc100020.sourceforge.net W: http://linux-lc100020.sourceforge.net
S: Maintained S: Maintained
USB ZR364XX DRIVER
P: Antoine Jacquet
M: royale@zerezo.com
L: linux-usb-devel@lists.sourceforge.net
L: video4linux-list@redhat.com
W: http://royale.zerezo.com/zr364xx/
S: Maintained
USER-MODE LINUX USER-MODE LINUX
P: Jeff Dike P: Jeff Dike
M: jdike@karaya.com M: jdike@karaya.com
...@@ -3656,7 +3664,7 @@ L: user-mode-linux-devel@lists.sourceforge.net ...@@ -3656,7 +3664,7 @@ L: user-mode-linux-devel@lists.sourceforge.net
L: user-mode-linux-user@lists.sourceforge.net L: user-mode-linux-user@lists.sourceforge.net
W: http://user-mode-linux.sourceforge.net W: http://user-mode-linux.sourceforge.net
S: Maintained S: Maintained
FAT/VFAT/MSDOS FILESYSTEM: FAT/VFAT/MSDOS FILESYSTEM:
P: OGAWA Hirofumi P: OGAWA Hirofumi
M: hirofumi@mail.parknet.co.jp M: hirofumi@mail.parknet.co.jp
......
drivers/media/video/Kconfig
View file @ b7eee616
...@@ -761,6 +761,18 @@ source "drivers/media/video/zc0301/Kconfig" ...@@ -761,6 +761,18 @@ source "drivers/media/video/zc0301/Kconfig"
source "drivers/media/video/pwc/Kconfig" source "drivers/media/video/pwc/Kconfig"
config USB_ZR364XX
tristate "USB ZR364XX Camera support"
depends on USB && VIDEO_V4L2
---help---
Say Y here if you want to connect this type of camera to your
computer's USB port.
See <file:Documentation/video4linux/zr364xx.txt> for more info
and list of supported cameras.
To compile this driver as a module, choose M here: the
module will be called zr364xx.
endmenu # V4L USB devices endmenu # V4L USB devices
endmenu endmenu
drivers/media/video/Makefile
View file @ b7eee616
...@@ -99,6 +99,7 @@ obj-$(CONFIG_USB_OV511) += ov511.o ...@@ -99,6 +99,7 @@ obj-$(CONFIG_USB_OV511) += ov511.o
obj-$(CONFIG_USB_SE401) += se401.o obj-$(CONFIG_USB_SE401) += se401.o
obj-$(CONFIG_USB_STV680) += stv680.o obj-$(CONFIG_USB_STV680) += stv680.o
obj-$(CONFIG_USB_W9968CF) += w9968cf.o obj-$(CONFIG_USB_W9968CF) += w9968cf.o
obj-$(CONFIG_USB_ZR364XX) += zr364xx.o
obj-$(CONFIG_USB_SN9C102) += sn9c102/ obj-$(CONFIG_USB_SN9C102) += sn9c102/
obj-$(CONFIG_USB_ET61X251) += et61x251/ obj-$(CONFIG_USB_ET61X251) += et61x251/
......
drivers/media/video/zr364xx.c 0 → 100644
View file @ b7eee616
/*
* Zoran 364xx based USB webcam module version 0.72
*
* Allows you to use your USB webcam with V4L2 applications
* This is still in heavy developpement !
*
* Copyright (C) 2004 Antoine Jacquet <royale@zerezo.com>
* http://royale.zerezo.com/zr364xx/
*
* Heavily inspired by usb-skeleton.c, vicam.c, cpia.c and spca50x.c drivers
* V4L2 version inspired by meye.c driver
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <media/v4l2-common.h>
/* Version Information */
#define DRIVER_VERSION "v0.72"
#define DRIVER_AUTHOR "Antoine Jacquet, http://royale.zerezo.com/"
#define DRIVER_DESC "Zoran 364xx"
/* Camera */
#define FRAMES 2
#define MAX_FRAME_SIZE 100000
#define BUFFER_SIZE 0x1000
#define CTRL_TIMEOUT 500
/* Debug macro */
#define DBG(x...) if (debug) info(x)
/* Init methods, need to find nicer names for these
* the exact names of the chipsets would be the best if someone finds it */
#define METHOD0 0
#define METHOD1 1
#define METHOD2 2
/* Module parameters */
static int debug = 0;
static int mode = 0;
/* Module parameters interface */
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level");
module_param(mode, int, 0644);
MODULE_PARM_DESC(mode, "0 = 320x240, 1 = 160x120, 2 = 640x480");
/* Devices supported by this driver
* .driver_info contains the init method used by the camera */
static struct usb_device_id device_table[] = {
{USB_DEVICE(0x08ca, 0x0109), .driver_info = METHOD0 },
{USB_DEVICE(0x041e, 0x4024), .driver_info = METHOD0 },
{USB_DEVICE(0x0d64, 0x0108), .driver_info = METHOD0 },
{USB_DEVICE(0x0546, 0x3187), .driver_info = METHOD0 },
{USB_DEVICE(0x0d64, 0x3108), .driver_info = METHOD0 },
{USB_DEVICE(0x0595, 0x4343), .driver_info = METHOD0 },
{USB_DEVICE(0x0bb0, 0x500d), .driver_info = METHOD0 },
{USB_DEVICE(0x0feb, 0x2004), .driver_info = METHOD0 },
{USB_DEVICE(0x055f, 0xb500), .driver_info = METHOD0 },
{USB_DEVICE(0x08ca, 0x2062), .driver_info = METHOD2 },
{USB_DEVICE(0x052b, 0x1a18), .driver_info = METHOD1 },
{USB_DEVICE(0x04c8, 0x0729), .driver_info = METHOD0 },
{USB_DEVICE(0x04f2, 0xa208), .driver_info = METHOD0 },
{USB_DEVICE(0x0784, 0x0040), .driver_info = METHOD1 },
{USB_DEVICE(0x06d6, 0x0034), .driver_info = METHOD0 },
{USB_DEVICE(0x0a17, 0x0062), .driver_info = METHOD2 },
{} /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, device_table);
/* Camera stuff */
struct zr364xx_camera {
struct usb_device *udev; /* save off the usb device pointer */
struct usb_interface *interface;/* the interface for this device */
struct video_device *vdev; /* v4l video device */
u8 *framebuf;
int nb;
unsigned char *buffer;
int skip;
int brightness;
int width;
int height;
int method;
struct mutex lock;
};
/* function used to send initialisation commands to the camera */
static int send_control_msg(struct usb_device *udev, u8 request, u16 value,
u16 index, unsigned char *cp, u16 size)
{
int status;
unsigned char *transfer_buffer = kmalloc(size, GFP_KERNEL);
if (!transfer_buffer) {
info("kmalloc(%d) failed", size);
return -ENOMEM;
}
memcpy(transfer_buffer, cp, size);
status = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
request,
USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index,
transfer_buffer, size, CTRL_TIMEOUT);
kfree(transfer_buffer);
if (status < 0)
info("Failed sending control message, error %d.", status);
return status;
}
/* Control messages sent to the camera to initialize it
* and launch the capture */
typedef struct {
unsigned int value;
unsigned int size;
unsigned char *bytes;
} message;
/* method 0 */
static unsigned char m0d1[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char m0d2[] = { 0, 0, 0, 0, 0, 0 };
static unsigned char m0d3[] = { 0, 0 };
static message m0[] = {
{0x1f30, 0, NULL},
{0xd000, 0, NULL},
{0x3370, sizeof(m0d1), m0d1},
{0x2000, 0, NULL},
{0x2f0f, 0, NULL},
{0x2610, sizeof(m0d2), m0d2},
{0xe107, 0, NULL},
{0x2502, 0, NULL},
{0x1f70, 0, NULL},
{0xd000, 0, NULL},
{0x9a01, sizeof(m0d3), m0d3},
{-1, -1, NULL}
};
/* method 1 */
static unsigned char m1d1[] = { 0xff, 0xff };
static unsigned char m1d2[] = { 0x00, 0x00 };
static message m1[] = {
{0x1f30, 0, NULL},
{0xd000, 0, NULL},
{0xf000, 0, NULL},
{0x2000, 0, NULL},
{0x2f0f, 0, NULL},
{0x2650, 0, NULL},
{0xe107, 0, NULL},
{0x2502, sizeof(m1d1), m1d1},
{0x1f70, 0, NULL},
{0xd000, 0, NULL},
{0xd000, 0, NULL},
{0xd000, 0, NULL},
{0x9a01, sizeof(m1d2), m1d2},
{-1, -1, NULL}
};
/* method 2 */
static unsigned char m2d1[] = { 0xff, 0xff };
static message m2[] = {
{0x1f30, 0, NULL},
{0xf000, 0, NULL},
{0x2000, 0, NULL},
{0x2f0f, 0, NULL},
{0x2650, 0, NULL},
{0xe107, 0, NULL},
{0x2502, sizeof(m2d1), m2d1},
{0x1f70, 0, NULL},
{-1, -1, NULL}
};
/* init table */
static message *init[3] = { m0, m1, m2 };
/* JPEG static data in header (Huffman table, etc) */
static unsigned char header1[] = {
0xFF, 0xD8,
/*
0xFF, 0xE0, 0x00, 0x10, 'J', 'F', 'I', 'F',
0x00, 0x01, 0x01, 0x00, 0x33, 0x8A, 0x00, 0x00, 0x33, 0x88,
*/
0xFF, 0xDB, 0x00, 0x84
};
static unsigned char header2[] = {
0xFF, 0xC4, 0x00, 0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02,
0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D, 0x01,
0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06,
0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1,
0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33,
0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25,
0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54,
0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A,
0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94,
0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8,
0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA,
0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3,
0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xC4, 0x00, 0x1F,
0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5,
0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05,
0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11,
0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1,
0x09, 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16,
0x24, 0x34, 0xE1, 0x25, 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27,
0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44,
0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84,
0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96,
0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8,
0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA,
0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3,
0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5,
0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
0xF8, 0xF9, 0xFA, 0xFF, 0xC0, 0x00, 0x11, 0x08, 0x00, 0xF0, 0x01,
0x40, 0x03, 0x01, 0x21, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11, 0x01,
0xFF, 0xDA, 0x00, 0x0C, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11,
0x00, 0x3F, 0x00
};
static unsigned char header3;
/********************/
/* V4L2 integration */
/********************/
/* this function reads a full JPEG picture synchronously
* TODO: do it asynchronously... */
static int read_frame(struct zr364xx_camera *cam, int framenum)
{
int i, n, temp, head, size, actual_length;
unsigned char *ptr = NULL, *jpeg, swap;
redo:
/* hardware brightness */
n = send_control_msg(cam->udev, 1, 0x2001, 0, NULL, 0);
temp = (0x60 << 8) + 127 - cam->brightness;
n = send_control_msg(cam->udev, 1, temp, 0, NULL, 0);
/* during the first loop we are going to insert JPEG header */
head = 0;
/* this is the place in memory where we are going to build
* the JPEG image */
jpeg = cam->framebuf + framenum * MAX_FRAME_SIZE;
/* read data... */
do {
n = usb_bulk_msg(cam->udev,
usb_rcvbulkpipe(cam->udev, 0x81),
cam->buffer, BUFFER_SIZE, &actual_length,
CTRL_TIMEOUT);
DBG("buffer : %d %d", cam->buffer[0], cam->buffer[1]);
DBG("bulk : n=%d size=%d", n, actual_length);
if (n < 0) {
info("error reading bulk msg");
return 0;
}
if (actual_length < 0 || actual_length > BUFFER_SIZE) {
info("wrong number of bytes");
return 0;
}
/* swap bytes if camera needs it */
if (cam->method == METHOD0)
for (i = 0; i < BUFFER_SIZE; i += 2) {
swap = cam->buffer[i];
cam->buffer[i] = cam->buffer[i + 1];
cam->buffer[i + 1] = swap;
}
/* write the JPEG header */
if (!head) {
DBG("jpeg header");
ptr = jpeg;
memcpy(ptr, header1, sizeof(header1));
ptr += sizeof(header1);
header3 = 0;
memcpy(ptr, &header3, 1);
ptr++;
memcpy(ptr, cam->buffer, 64);
ptr += 64;
header3 = 1;
memcpy(ptr, &header3, 1);
ptr++;
memcpy(ptr, cam->buffer + 64, 64);
ptr += 64;
memcpy(ptr, header2, sizeof(header2));
ptr += sizeof(header2);
memcpy(ptr, cam->buffer + 128,
actual_length - 128);
ptr += actual_length - 128;
head = 1;
DBG("header : %d %d %d %d %d %d %d %d %d",
cam->buffer[0], cam->buffer[1], cam->buffer[2],
cam->buffer[3], cam->buffer[4], cam->buffer[5],
cam->buffer[6], cam->buffer[7], cam->buffer[8]);
} else {
memcpy(ptr, cam->buffer, actual_length);
ptr += actual_length;
}
}
/* ... until there is no more */
while (actual_length == BUFFER_SIZE);
/* we skip the 2 first frames which are usually buggy */
if (cam->skip) {
cam->skip--;
goto redo;
}
/* go back to find the JPEG EOI marker */
size = ptr - jpeg;
ptr -= 2;
while (ptr > jpeg) {
if (*ptr == 0xFF && *(ptr + 1) == 0xD9
&& *(ptr + 2) == 0xFF)
break;
ptr--;
}
if (ptr == jpeg)
DBG("No EOI marker");
/* Sometimes there is junk data in the middle of the picture,
* we want to skip this bogus frames */
while (ptr > jpeg) {
if (*ptr == 0xFF && *(ptr + 1) == 0xFF
&& *(ptr + 2) == 0xFF)
break;
ptr--;
}
if (ptr != jpeg) {
DBG("Bogus frame ? %d", cam->nb);
goto redo;
}
DBG("jpeg : %d %d %d %d %d %d %d %d",
jpeg[0], jpeg[1], jpeg[2], jpeg[3],
jpeg[4], jpeg[5], jpeg[6], jpeg[7]);
return size;
}
static ssize_t zr364xx_read(struct file *file, char *buf, size_t cnt,
loff_t * ppos)
{
unsigned long count = cnt;
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
DBG("zr364xx_read: read %d bytes.", (int) count);
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
if (!buf)
return -EINVAL;
if (!count)
return -EINVAL;
/* NoMan Sux ! */
count = read_frame(cam, 0);
if (copy_to_user(buf, cam->framebuf, count))
return -EFAULT;
return count;
}
static int zr364xx_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
memset(cap, 0, sizeof(*cap));
strcpy(cap->driver, DRIVER_DESC);
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
return 0;
}
static int zr364xx_vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
if (i->index != 0)
return -EINVAL;
memset(i, 0, sizeof(*i));
i->index = 0;
strcpy(i->name, DRIVER_DESC " Camera");
i->type = V4L2_INPUT_TYPE_CAMERA;
return 0;
}
static int zr364xx_vidioc_g_input(struct file *file, void *priv,
unsigned int *i)
{
*i = 0;
return 0;
}
static int zr364xx_vidioc_s_input(struct file *file, void *priv,
unsigned int i)
{
if (i != 0)
return -EINVAL;
return 0;
}
static int zr364xx_vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *c)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
c->type = V4L2_CTRL_TYPE_INTEGER;
strcpy(c->name, "Brightness");
c->minimum = 0;
c->maximum = 127;
c->step = 1;
c->default_value = cam->brightness;
c->flags = 0;
break;
default:
return -EINVAL;
}
return 0;
}
static int zr364xx_vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *c)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
cam->brightness = c->value;
break;
default:
return -EINVAL;
}
return 0;
}
static int zr364xx_vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *c)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
c->value = cam->brightness;
break;
default:
return -EINVAL;
}
return 0;
}
static int zr364xx_vidioc_enum_fmt_cap(struct file *file,
void *priv, struct v4l2_fmtdesc *f)
{
if (f->index > 0)
return -EINVAL;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
memset(f, 0, sizeof(*f));
f->index = 0;
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->flags = V4L2_FMT_FLAG_COMPRESSED;
strcpy(f->description, "JPEG");
f->pixelformat = V4L2_PIX_FMT_JPEG;
return 0;
}
static int zr364xx_vidioc_try_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG)
return -EINVAL;
if (f->fmt.pix.field != V4L2_FIELD_ANY &&
f->fmt.pix.field != V4L2_FIELD_NONE)
return -EINVAL;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.width = cam->width;
f->fmt.pix.height = cam->height;
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = 0;
f->fmt.pix.priv = 0;
return 0;
}
static int zr364xx_vidioc_g_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_JPEG;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.width = cam->width;
f->fmt.pix.height = cam->height;
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = 0;
f->fmt.pix.priv = 0;
return 0;
}
static int zr364xx_vidioc_s_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG)
return -EINVAL;
if (f->fmt.pix.field != V4L2_FIELD_ANY &&
f->fmt.pix.field != V4L2_FIELD_NONE)
return -EINVAL;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.width = cam->width;
f->fmt.pix.height = cam->height;
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = 0;
f->fmt.pix.priv = 0;
DBG("ok!");
return 0;
}
static int zr364xx_vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
return 0;
}
static int zr364xx_vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
return 0;
}
/* open the camera */
static int zr364xx_open(struct inode *inode, struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam = video_get_drvdata(vdev);
struct usb_device *udev = cam->udev;
int i, err;
DBG("zr364xx_open");
cam->skip = 2;
err = video_exclusive_open(inode, file);
if (err < 0)
return err;
if (!cam->framebuf) {
cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES);
if (!cam->framebuf) {
info("vmalloc_32 failed!");
return -ENOMEM;
}
}
mutex_lock(&cam->lock);
for (i = 0; init[cam->method][i].size != -1; i++) {
err =
send_control_msg(udev, 1, init[cam->method][i].value,
0, init[cam->method][i].bytes,
init[cam->method][i].size);
if (err < 0) {
info("error during open sequence: %d", i);
mutex_unlock(&cam->lock);
return err;
}
}
file->private_data = vdev;
/* Added some delay here, since opening/closing the camera quickly,
* like Ekiga does during its startup, can crash the webcam
*/
mdelay(100);
mutex_unlock(&cam->lock);
return 0;
}
/* release the camera */
static int zr364xx_release(struct inode *inode, struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
struct usb_device *udev;
int i, err;
DBG("zr364xx_release");
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
udev = cam->udev;
mutex_lock(&cam->lock);
for (i = 0; i < 2; i++) {
err =
send_control_msg(udev, 1, init[cam->method][i].value,
0, init[i][cam->method].bytes,
init[cam->method][i].size);
if (err < 0) {
info("error during release sequence");
mutex_unlock(&cam->lock);
return err;
}
}
file->private_data = NULL;
video_exclusive_release(inode, file);
/* Added some delay here, since opening/closing the camera quickly,
* like Ekiga does during its startup, can crash the webcam
*/
mdelay(100);
mutex_unlock(&cam->lock);
return 0;
}
static int zr364xx_mmap(struct file *file, struct vm_area_struct *vma)
{
void *pos;
unsigned long start = vma->vm_start;
unsigned long size = vma->vm_end - vma->vm_start;
struct video_device *vdev = video_devdata(file);
struct zr364xx_camera *cam;
DBG("zr364xx_mmap: %ld\n", size);
if (vdev == NULL)
return -ENODEV;
cam = video_get_drvdata(vdev);
pos = cam->framebuf;
while (size > 0) {
if (vm_insert_page(vma, start, vmalloc_to_page(pos)))
return -EAGAIN;
start += PAGE_SIZE;
pos += PAGE_SIZE;
if (size > PAGE_SIZE)
size -= PAGE_SIZE;
else
size = 0;
}
return 0;
}
static struct file_operations zr364xx_fops = {
.owner = THIS_MODULE,
.open = zr364xx_open,
.release = zr364xx_release,
.read = zr364xx_read,
.mmap = zr364xx_mmap,
.ioctl = video_ioctl2,
.llseek = no_llseek,
};
static struct video_device zr364xx_template = {
.owner = THIS_MODULE,
.name = DRIVER_DESC,
.type = VID_TYPE_CAPTURE,
.fops = &zr364xx_fops,
.release = video_device_release,
.minor = -1,
.vidioc_querycap = zr364xx_vidioc_querycap,
.vidioc_enum_fmt_cap = zr364xx_vidioc_enum_fmt_cap,
.vidioc_try_fmt_cap = zr364xx_vidioc_try_fmt_cap,
.vidioc_s_fmt_cap = zr364xx_vidioc_s_fmt_cap,
.vidioc_g_fmt_cap = zr364xx_vidioc_g_fmt_cap,
.vidioc_enum_input = zr364xx_vidioc_enum_input,
.vidioc_g_input = zr364xx_vidioc_g_input,
.vidioc_s_input = zr364xx_vidioc_s_input,
.vidioc_streamon = zr364xx_vidioc_streamon,
.vidioc_streamoff = zr364xx_vidioc_streamoff,
.vidioc_queryctrl = zr364xx_vidioc_queryctrl,
.vidioc_g_ctrl = zr364xx_vidioc_g_ctrl,
.vidioc_s_ctrl = zr364xx_vidioc_s_ctrl,
};
/*******************/
/* USB integration */
/*******************/
static int zr364xx_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct zr364xx_camera *cam = NULL;
DBG("probing...");
info(DRIVER_DESC " compatible webcam plugged");
info("model %04x:%04x detected", udev->descriptor.idVendor,
udev->descriptor.idProduct);
if ((cam =
kmalloc(sizeof(struct zr364xx_camera), GFP_KERNEL)) == NULL) {
info("cam: out of memory !");
return -ENODEV;
}
memset(cam, 0x00, sizeof(struct zr364xx_camera));
/* save the init method used by this camera */
cam->method = id->driver_info;
cam->vdev = video_device_alloc();
if (cam->vdev == NULL) {
info("cam->vdev: out of memory !");
kfree(cam);
return -ENODEV;
}
memcpy(cam->vdev, &zr364xx_template, sizeof(zr364xx_template));
video_set_drvdata(cam->vdev, cam);
if (debug)
cam->vdev->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
cam->udev = udev;
if ((cam->buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL)) == NULL) {
info("cam->buffer: out of memory !");
video_device_release(cam->vdev);
kfree(cam);
return -ENODEV;
}
switch (mode) {
case 1:
info("160x120 mode selected");
cam->width = 160;
cam->height = 120;
break;
case 2:
info("640x480 mode selected");
cam->width = 640;
cam->height = 480;
break;
default:
info("320x240 mode selected");
cam->width = 320;
cam->height = 240;
break;
}
m0d1[0] = mode;
m1[2].value = 0xf000 + mode;
m2[1].value = 0xf000 + mode;
header2[437] = cam->height / 256;
header2[438] = cam->height % 256;
header2[439] = cam->width / 256;
header2[440] = cam->width % 256;
cam->nb = 0;
cam->brightness = 64;
mutex_init(&cam->lock);
if (video_register_device(cam->vdev, VFL_TYPE_GRABBER, -1) == -1) {
info("video_register_device failed");
video_device_release(cam->vdev);
kfree(cam->buffer);
kfree(cam);
return -ENODEV;
}
usb_set_intfdata(intf, cam);
info(DRIVER_DESC " controlling video device %d", cam->vdev->minor);
return 0;
}
static void zr364xx_disconnect(struct usb_interface *intf)
{
struct zr364xx_camera *cam = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
dev_set_drvdata(&intf->dev, NULL);
info(DRIVER_DESC " webcam unplugged");
if (cam->vdev)
video_unregister_device(cam->vdev);
cam->vdev = NULL;
kfree(cam->buffer);
if (cam->framebuf)
vfree(cam->framebuf);
kfree(cam);
}
/**********************/
/* Module integration */
/**********************/
static struct usb_driver zr364xx_driver = {
.name = "zr364xx",
.probe = zr364xx_probe,
.disconnect = zr364xx_disconnect,
.id_table = device_table
};
static int __init zr364xx_init(void)
{
int retval;
retval = usb_register(&zr364xx_driver) < 0;
if (retval)
info("usb_register failed!");
else
info(DRIVER_DESC " module loaded");
return retval;
}
static void __exit zr364xx_exit(void)
{
info(DRIVER_DESC " module unloaded");
usb_deregister(&zr364xx_driver);
}
module_init(zr364xx_init);
module_exit(zr364xx_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
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