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V4L/DVB (5063): ZC0301 driver updates.

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- Implement audio ioctl's and VIDIOC_ENUM_FRAMESIZES
- Documentation updates
- Generic improvements

Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Luca Risolia 2007-01-08 11:34:35 -03:00 committed by Mauro Carvalho Chehab
parent f327ebbd00
commit 7e3a066070
6 changed files with 64 additions and 25 deletions
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10
Documentation/video4linux/zc0301.txt
View File

@ -23,7 +23,7 @@ Index
1. Copyright
============
Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>
Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>
2. Disclaimer
@ -125,8 +125,9 @@ And finally:
6. Module loading
=================
To use the driver, it is necessary to load the "zc0301" module into memory
after every other module required: "videodev", "usbcore" and, depending on
the USB host controller you have, "ehci-hcd", "uhci-hcd" or "ohci-hcd".
after every other module required: "videodev", "v4l2_common", "compat_ioctl32",
"usbcore" and, depending on the USB host controller you have, "ehci-hcd",
"uhci-hcd" or "ohci-hcd".
Loading can be done as shown below:
@ -211,12 +212,11 @@ Vendor ID Product ID
0x041e 0x4036
0x041e 0x403a
0x0458 0x7007
0x0458 0x700C
0x0458 0x700c
0x0458 0x700f
0x046d 0x08ae
0x055f 0xd003
0x055f 0xd004
0x046d 0x08ae
0x0ac8 0x0301
0x0ac8 0x301b
0x0ac8 0x303b

4
drivers/media/video/zc0301/zc0301.h
View File

@ -1,7 +1,7 @@
/***************************************************************************
* V4L2 driver for ZC0301 Image Processor and Control Chip *
* V4L2 driver for ZC0301[P] Image Processor and Control Chip *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* 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 *

55
drivers/media/video/zc0301/zc0301_core.c
View File

@ -1,7 +1,7 @@
/***************************************************************************
* Video4Linux2 driver for ZC0301[P] Image Processor and Control Chip *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* Informations about the chip internals needed to enable the I2C protocol *
* have been taken from the documentation of the ZC030x Video4Linux1 *
@ -52,8 +52,8 @@
#define ZC0301_MODULE_AUTHOR "(C) 2006 Luca Risolia"
#define ZC0301_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>"
#define ZC0301_MODULE_LICENSE "GPL"
#define ZC0301_MODULE_VERSION "1:1.05"
#define ZC0301_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 5)
#define ZC0301_MODULE_VERSION "1:1.07"
#define ZC0301_MODULE_VERSION_CODE KERNEL_VERSION(1, 1, 7)
/*****************************************************************************/
@ -89,7 +89,7 @@ MODULE_PARM_DESC(force_munmap,
"\ndetected camera."
"\n 0 = do not force memory unmapping"
"\n 1 = force memory unmapping (save memory)"
"\nDefault value is "__MODULE_STRING(SN9C102_FORCE_MUNMAP)"."
"\nDefault value is "__MODULE_STRING(ZC0301_FORCE_MUNMAP)"."
"\n");
static unsigned int frame_timeout[] = {[0 ... ZC0301_MAX_DEVICES-1] =
@ -136,7 +136,8 @@ zc0301_request_buffers(struct zc0301_device* cam, u32 count,
cam->nbuffers = count;
while (cam->nbuffers > 0) {
if ((buff = vmalloc_32(cam->nbuffers * PAGE_ALIGN(imagesize))))
if ((buff = vmalloc_32_user(cam->nbuffers *
PAGE_ALIGN(imagesize))))
break;
cam->nbuffers--;
}
@ -430,7 +431,8 @@ static int zc0301_start_transfer(struct zc0301_device* cam)
struct usb_host_interface* altsetting = usb_altnum_to_altsetting(
usb_ifnum_to_if(udev, 0),
ZC0301_ALTERNATE_SETTING);
const unsigned int psz = altsetting->endpoint[0].desc.wMaxPacketSize;
const unsigned int psz = le16_to_cpu(altsetting->
endpoint[0].desc.wMaxPacketSize);
struct urb* urb;
s8 i, j;
int err = 0;
@ -489,7 +491,7 @@ static int zc0301_start_transfer(struct zc0301_device* cam)
return 0;
free_urbs:
for (i = 0; i < ZC0301_URBS; i++)
for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++)
usb_free_urb(cam->urb[i]);
free_buffers:
@ -1287,6 +1289,35 @@ zc0301_vidioc_s_crop(struct zc0301_device* cam, void __user * arg)
}
static int
zc0301_vidioc_enum_framesizes(struct zc0301_device* cam, void __user * arg)
{
struct v4l2_frmsizeenum frmsize;
if (copy_from_user(&frmsize, arg, sizeof(frmsize)))
return -EFAULT;
if (frmsize.index != 0 && frmsize.index != 1)
return -EINVAL;
if (frmsize.pixel_format != V4L2_PIX_FMT_JPEG)
return -EINVAL;
frmsize.type = V4L2_FRMSIZE_TYPE_DISCRETE;
if (frmsize.index == 1) {
frmsize.discrete.width = cam->sensor.cropcap.defrect.width;
frmsize.discrete.height = cam->sensor.cropcap.defrect.height;
}
memset(&frmsize.reserved, 0, sizeof(frmsize.reserved));
if (copy_to_user(arg, &frmsize, sizeof(frmsize)))
return -EFAULT;
return 0;
}
static int
zc0301_vidioc_enum_fmt(struct zc0301_device* cam, void __user * arg)
{
@ -1295,6 +1326,9 @@ zc0301_vidioc_enum_fmt(struct zc0301_device* cam, void __user * arg)
if (copy_from_user(&fmtd, arg, sizeof(fmtd)))
return -EFAULT;
if (fmtd.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (fmtd.index == 0) {
strcpy(fmtd.description, "JPEG");
fmtd.pixelformat = V4L2_PIX_FMT_JPEG;
@ -1795,6 +1829,9 @@ static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp,
case VIDIOC_S_FMT:
return zc0301_vidioc_try_s_fmt(cam, cmd, arg);
case VIDIOC_ENUM_FRAMESIZES:
return zc0301_vidioc_enum_framesizes(cam, arg);
case VIDIOC_G_JPEGCOMP:
return zc0301_vidioc_g_jpegcomp(cam, arg);
@ -1830,6 +1867,7 @@ static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp,
case VIDIOC_QUERYSTD:
case VIDIOC_ENUMSTD:
case VIDIOC_QUERYMENU:
case VIDIOC_ENUM_FRAMEINTERVALS:
return -EINVAL;
default:
@ -1876,6 +1914,7 @@ static const struct file_operations zc0301_fops = {
.open = zc0301_open,
.release = zc0301_release,
.ioctl = zc0301_ioctl,
.compat_ioctl = v4l_compat_ioctl32,
.read = zc0301_read,
.poll = zc0301_poll,
.mmap = zc0301_mmap,
@ -1913,7 +1952,7 @@ zc0301_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
mutex_init(&cam->dev_mutex);
DBG(2, "ZC0301[P] Image Processor and Control Chip detected "
"(vid/pid 0x%04X/0x%04X)",id->idVendor, id->idProduct);
"(vid/pid 0x%04X:0x%04X)",id->idVendor, id->idProduct);
for (i = 0; zc0301_sensor_table[i]; i++) {
err = zc0301_sensor_table[i](cam);

4
drivers/media/video/zc0301/zc0301_pas202bcb.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* Plug-in for PAS202BCB image sensor connected to the ZC0301[P] Image *
* Plug-in for PAS202BCB image sensor connected to the ZC0301 Image *
* Processor and Control Chip *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* Initialization values of the ZC0301[P] have been taken from the SPCA5XX *
* driver maintained by Michel Xhaard <mxhaard@magic.fr> *

4
drivers/media/video/zc0301/zc0301_pb0330.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* Plug-in for PB-0330 image sensor connected to the ZC0301[P] Image *
* Plug-in for PB-0330 image sensor connected to the ZC0301P Image *
* Processor and Control Chip *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* Initialization values of the ZC0301[P] have been taken from the SPCA5XX *
* driver maintained by Michel Xhaard <mxhaard@magic.fr> *

12
drivers/media/video/zc0301/zc0301_sensor.h
View File

@ -1,8 +1,8 @@
/***************************************************************************
* API for image sensors connected to the ZC0301 Image Processor and *
* API for image sensors connected to the ZC0301[P] Image Processor and *
* Control Chip *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* 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 *
@ -70,7 +70,7 @@ static const struct usb_device_id zc0301_id_table[] = { \
{ ZC0301_USB_DEVICE(0x041e, 0x4036, 0xff), }, /* HV7131 */ \
{ ZC0301_USB_DEVICE(0x041e, 0x403a, 0xff), }, /* HV7131 */ \
{ ZC0301_USB_DEVICE(0x0458, 0x7007, 0xff), }, /* TAS5130 */ \
{ ZC0301_USB_DEVICE(0x0458, 0x700C, 0xff), }, /* TAS5130 */ \
{ ZC0301_USB_DEVICE(0x0458, 0x700c, 0xff), }, /* TAS5130 */ \
{ ZC0301_USB_DEVICE(0x0458, 0x700f, 0xff), }, /* TAS5130 */ \
{ ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202 */ \
{ ZC0301_USB_DEVICE(0x055f, 0xd003, 0xff), }, /* TAS5130 */ \
@ -93,9 +93,9 @@ extern int zc0301_i2c_read(struct zc0301_device*, u16 address, u8 length);
/*****************************************************************************/
#define ZC0301_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10
#define ZC0301_V4L2_CID_DAC_MAGNITUDE V4L2_CID_PRIVATE_BASE
#define ZC0301_V4L2_CID_GREEN_BALANCE V4L2_CID_PRIVATE_BASE + 1
#define ZC0301_MAX_CTRLS (V4L2_CID_LASTP1 - V4L2_CID_BASE + 10)
#define ZC0301_V4L2_CID_DAC_MAGNITUDE (V4L2_CID_PRIVATE_BASE + 0)
#define ZC0301_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 1)
struct zc0301_sensor {
char name[32];