2008-04-19 08:34:00 +08:00
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|
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/*
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* Driver for the Auvitek USB bridge
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*
|
2008-09-04 04:12:12 +08:00
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* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
|
2008-04-19 08:34:00 +08:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
|
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 16:04:11 +08:00
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#include <linux/slab.h>
|
2008-04-19 08:34:00 +08:00
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <linux/mutex.h>
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#include "au0828.h"
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|
2008-04-19 08:39:11 +08:00
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/*
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* 1 = General debug messages
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* 2 = USB handling
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* 4 = I2C related
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* 8 = Bridge related
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*/
|
2008-04-26 06:06:03 +08:00
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int au0828_debug;
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module_param_named(debug, au0828_debug, int, 0644);
|
2008-04-19 08:34:00 +08:00
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MODULE_PARM_DESC(debug, "enable debug messages");
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|
2009-05-28 10:46:17 +08:00
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static unsigned int disable_usb_speed_check;
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module_param(disable_usb_speed_check, int, 0444);
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MODULE_PARM_DESC(disable_usb_speed_check,
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"override min bandwidth requirement of 480M bps");
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|
2008-04-19 08:34:00 +08:00
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#define _AU0828_BULKPIPE 0x03
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#define _BULKPIPESIZE 0xffff
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static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
|
2012-08-07 09:47:05 +08:00
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u16 index);
|
2008-04-19 08:34:00 +08:00
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static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
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u16 index, unsigned char *cp, u16 size);
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/* USB Direction */
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#define CMD_REQUEST_IN 0x00
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#define CMD_REQUEST_OUT 0x01
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u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
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{
|
2012-08-07 09:47:07 +08:00
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u8 result = 0;
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recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, &result, 1);
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dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, result);
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return result;
|
2008-04-19 08:34:00 +08:00
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|
}
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u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val)
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{
|
2009-03-11 14:00:57 +08:00
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dprintk(8, "%s(0x%04x, 0x%02x)\n", __func__, reg, val);
|
2012-08-07 09:47:05 +08:00
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return send_control_msg(dev, CMD_REQUEST_OUT, val, reg);
|
2008-04-19 08:34:00 +08:00
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}
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static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
|
2012-08-07 09:47:05 +08:00
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u16 index)
|
2008-04-19 08:34:00 +08:00
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{
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int status = -ENODEV;
|
2012-08-07 09:47:05 +08:00
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|
2008-04-19 08:34:00 +08:00
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if (dev->usbdev) {
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/* cp must be memory that has been allocated by kmalloc */
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status = usb_control_msg(dev->usbdev,
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usb_sndctrlpipe(dev->usbdev, 0),
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request,
|
2008-10-17 07:19:41 +08:00
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USB_DIR_OUT | USB_TYPE_VENDOR |
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USB_RECIP_DEVICE,
|
2012-08-07 09:47:05 +08:00
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value, index, NULL, 0, 1000);
|
2008-04-19 08:34:00 +08:00
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status = min(status, 0);
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if (status < 0) {
|
2008-04-19 08:39:11 +08:00
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printk(KERN_ERR "%s() Failed sending control message, error %d.\n",
|
2008-04-19 08:42:30 +08:00
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__func__, status);
|
2008-04-19 08:34:00 +08:00
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}
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}
|
2012-08-07 09:47:05 +08:00
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|
2008-04-19 08:34:00 +08:00
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return status;
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}
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static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
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u16 index, unsigned char *cp, u16 size)
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{
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int status = -ENODEV;
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mutex_lock(&dev->mutex);
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if (dev->usbdev) {
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status = usb_control_msg(dev->usbdev,
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usb_rcvctrlpipe(dev->usbdev, 0),
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request,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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value, index,
|
2012-08-07 09:47:07 +08:00
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dev->ctrlmsg, size, 1000);
|
2008-04-19 08:34:00 +08:00
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status = min(status, 0);
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if (status < 0) {
|
2008-04-19 08:39:11 +08:00
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printk(KERN_ERR "%s() Failed receiving control message, error %d.\n",
|
2008-04-19 08:42:30 +08:00
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__func__, status);
|
2012-08-07 09:47:07 +08:00
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}
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/* the host controller requires heap allocated memory, which
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is why we didn't just pass "cp" into usb_control_msg */
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memcpy(cp, dev->ctrlmsg, size);
|
2008-04-19 08:34:00 +08:00
|
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}
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mutex_unlock(&dev->mutex);
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return status;
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}
|
2008-04-18 08:41:28 +08:00
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|
2013-03-11 21:16:45 +08:00
|
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static void au0828_usb_release(struct au0828_dev *dev)
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2008-04-19 08:34:00 +08:00
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{
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/* I2C */
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au0828_i2c_unregister(dev);
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|
2013-03-11 21:16:45 +08:00
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kfree(dev);
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}
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|
2012-12-04 22:30:00 +08:00
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#ifdef CONFIG_VIDEO_AU0828_V4L2
|
2013-03-11 21:16:45 +08:00
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static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev)
|
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|
|
{
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struct au0828_dev *dev =
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container_of(v4l2_dev, struct au0828_dev, v4l2_dev);
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|
|
2013-02-15 19:55:41 +08:00
|
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v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl);
|
2009-03-11 14:01:04 +08:00
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|
v4l2_device_unregister(&dev->v4l2_dev);
|
2013-03-11 21:16:45 +08:00
|
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|
au0828_usb_release(dev);
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|
}
|
2012-12-04 22:30:00 +08:00
|
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|
#endif
|
2009-03-11 14:01:04 +08:00
|
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|
2013-03-11 21:16:45 +08:00
|
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|
static void au0828_usb_disconnect(struct usb_interface *interface)
|
|
|
|
{
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|
struct au0828_dev *dev = usb_get_intfdata(interface);
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dprintk(1, "%s()\n", __func__);
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/* Digital TV */
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au0828_dvb_unregister(dev);
|
2008-04-19 08:34:00 +08:00
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|
2013-03-11 21:16:45 +08:00
|
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|
usb_set_intfdata(interface, NULL);
|
2008-04-19 08:34:00 +08:00
|
|
|
mutex_lock(&dev->mutex);
|
|
|
|
dev->usbdev = NULL;
|
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|
|
mutex_unlock(&dev->mutex);
|
2013-03-11 21:16:45 +08:00
|
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
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|
|
if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
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|
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|
au0828_analog_unregister(dev);
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|
v4l2_device_disconnect(&dev->v4l2_dev);
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|
v4l2_device_put(&dev->v4l2_dev);
|
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|
return;
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|
|
|
}
|
|
|
|
#endif
|
|
|
|
au0828_usb_release(dev);
|
2008-04-19 08:34:00 +08:00
|
|
|
}
|
|
|
|
|
2008-04-19 09:12:52 +08:00
|
|
|
static int au0828_usb_probe(struct usb_interface *interface,
|
2008-04-19 08:34:00 +08:00
|
|
|
const struct usb_device_id *id)
|
|
|
|
{
|
2012-12-04 22:30:00 +08:00
|
|
|
int ifnum;
|
|
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
|
|
|
|
int retval;
|
|
|
|
#endif
|
2008-04-19 08:34:00 +08:00
|
|
|
struct au0828_dev *dev;
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|
|
|
struct usb_device *usbdev = interface_to_usbdev(interface);
|
|
|
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|
|
ifnum = interface->altsetting->desc.bInterfaceNumber;
|
|
|
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|
|
|
if (ifnum != 0)
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|
|
|
return -ENODEV;
|
|
|
|
|
2008-04-18 08:41:28 +08:00
|
|
|
dprintk(1, "%s() vendor id 0x%x device id 0x%x ifnum:%d\n", __func__,
|
2008-04-19 08:34:00 +08:00
|
|
|
le16_to_cpu(usbdev->descriptor.idVendor),
|
|
|
|
le16_to_cpu(usbdev->descriptor.idProduct),
|
|
|
|
ifnum);
|
|
|
|
|
2009-05-28 10:25:36 +08:00
|
|
|
/*
|
|
|
|
* Make sure we have 480 Mbps of bandwidth, otherwise things like
|
|
|
|
* video stream wouldn't likely work, since 12 Mbps is generally
|
|
|
|
* not enough even for most Digital TV streams.
|
|
|
|
*/
|
2009-05-28 10:46:17 +08:00
|
|
|
if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
|
2009-05-28 10:25:36 +08:00
|
|
|
printk(KERN_ERR "au0828: Device initialization failed.\n");
|
|
|
|
printk(KERN_ERR "au0828: Device must be connected to a "
|
|
|
|
"high-speed USB 2.0 port.\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
2008-04-19 08:34:00 +08:00
|
|
|
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
|
|
|
if (dev == NULL) {
|
2008-04-19 08:42:30 +08:00
|
|
|
printk(KERN_ERR "%s() Unable to allocate memory\n", __func__);
|
2008-04-19 08:34:00 +08:00
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2012-08-07 09:46:58 +08:00
|
|
|
mutex_init(&dev->lock);
|
|
|
|
mutex_lock(&dev->lock);
|
2008-04-19 08:34:00 +08:00
|
|
|
mutex_init(&dev->mutex);
|
|
|
|
mutex_init(&dev->dvb.lock);
|
|
|
|
dev->usbdev = usbdev;
|
2009-03-11 14:00:47 +08:00
|
|
|
dev->boardnr = id->driver_info;
|
2008-04-19 08:34:00 +08:00
|
|
|
|
2012-12-04 22:30:00 +08:00
|
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
|
2013-03-11 21:16:45 +08:00
|
|
|
dev->v4l2_dev.release = au0828_usb_v4l2_release;
|
|
|
|
|
2009-03-11 14:01:04 +08:00
|
|
|
/* Create the v4l2_device */
|
2009-04-01 19:47:35 +08:00
|
|
|
retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
|
2009-03-11 14:01:04 +08:00
|
|
|
if (retval) {
|
2013-02-15 19:55:41 +08:00
|
|
|
pr_err("%s() v4l2_device_register failed\n",
|
2009-03-11 14:01:04 +08:00
|
|
|
__func__);
|
2012-08-07 09:46:58 +08:00
|
|
|
mutex_unlock(&dev->lock);
|
2009-03-11 14:01:04 +08:00
|
|
|
kfree(dev);
|
2013-02-15 19:55:41 +08:00
|
|
|
return retval;
|
2009-03-11 14:01:04 +08:00
|
|
|
}
|
2013-02-15 19:55:41 +08:00
|
|
|
/* This control handler will inherit the controls from au8522 */
|
|
|
|
retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4);
|
|
|
|
if (retval) {
|
|
|
|
pr_err("%s() v4l2_ctrl_handler_init failed\n",
|
|
|
|
__func__);
|
|
|
|
mutex_unlock(&dev->lock);
|
|
|
|
kfree(dev);
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl;
|
2012-12-04 22:30:00 +08:00
|
|
|
#endif
|
2009-03-11 14:01:04 +08:00
|
|
|
|
2008-04-19 08:34:00 +08:00
|
|
|
/* Power Up the bridge */
|
|
|
|
au0828_write(dev, REG_600, 1 << 4);
|
|
|
|
|
|
|
|
/* Bring up the GPIO's and supporting devices */
|
|
|
|
au0828_gpio_setup(dev);
|
|
|
|
|
|
|
|
/* I2C */
|
|
|
|
au0828_i2c_register(dev);
|
|
|
|
|
2008-03-30 06:53:07 +08:00
|
|
|
/* Setup */
|
|
|
|
au0828_card_setup(dev);
|
|
|
|
|
2012-12-04 22:30:00 +08:00
|
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
|
2009-03-11 14:00:40 +08:00
|
|
|
/* Analog TV */
|
2009-03-11 14:01:01 +08:00
|
|
|
if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED)
|
2009-03-11 14:01:00 +08:00
|
|
|
au0828_analog_register(dev, interface);
|
2012-12-04 22:30:00 +08:00
|
|
|
#endif
|
2009-03-11 14:00:40 +08:00
|
|
|
|
2008-04-19 08:34:00 +08:00
|
|
|
/* Digital TV */
|
|
|
|
au0828_dvb_register(dev);
|
|
|
|
|
2009-04-29 00:14:07 +08:00
|
|
|
/* Store the pointer to the au0828_dev so it can be accessed in
|
|
|
|
au0828_usb_disconnect */
|
|
|
|
usb_set_intfdata(interface, dev);
|
|
|
|
|
2008-04-19 08:39:11 +08:00
|
|
|
printk(KERN_INFO "Registered device AU0828 [%s]\n",
|
2009-03-11 14:00:47 +08:00
|
|
|
dev->board.name == NULL ? "Unset" : dev->board.name);
|
2008-04-19 08:34:00 +08:00
|
|
|
|
2012-08-07 09:46:58 +08:00
|
|
|
mutex_unlock(&dev->lock);
|
|
|
|
|
2008-04-19 08:34:00 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct usb_driver au0828_usb_driver = {
|
|
|
|
.name = DRIVER_NAME,
|
|
|
|
.probe = au0828_usb_probe,
|
|
|
|
.disconnect = au0828_usb_disconnect,
|
|
|
|
.id_table = au0828_usb_id_table,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init au0828_init(void)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
2008-04-26 06:06:03 +08:00
|
|
|
if (au0828_debug & 1)
|
2008-04-19 08:42:30 +08:00
|
|
|
printk(KERN_INFO "%s() Debugging is enabled\n", __func__);
|
2008-04-19 08:39:11 +08:00
|
|
|
|
2008-04-26 06:06:03 +08:00
|
|
|
if (au0828_debug & 2)
|
2008-04-19 08:42:30 +08:00
|
|
|
printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__);
|
2008-04-19 08:39:11 +08:00
|
|
|
|
2008-04-26 06:06:03 +08:00
|
|
|
if (au0828_debug & 4)
|
2008-04-19 08:42:30 +08:00
|
|
|
printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__);
|
2008-04-19 08:39:11 +08:00
|
|
|
|
2008-04-26 06:06:03 +08:00
|
|
|
if (au0828_debug & 8)
|
2008-04-19 08:42:30 +08:00
|
|
|
printk(KERN_INFO "%s() Bridge Debugging is enabled\n",
|
|
|
|
__func__);
|
2008-04-19 08:39:11 +08:00
|
|
|
|
|
|
|
printk(KERN_INFO "au0828 driver loaded\n");
|
2008-04-19 08:34:00 +08:00
|
|
|
|
|
|
|
ret = usb_register(&au0828_usb_driver);
|
|
|
|
if (ret)
|
2008-04-19 08:39:11 +08:00
|
|
|
printk(KERN_ERR "usb_register failed, error = %d\n", ret);
|
2008-04-19 08:34:00 +08:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit au0828_exit(void)
|
|
|
|
{
|
|
|
|
usb_deregister(&au0828_usb_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(au0828_init);
|
|
|
|
module_exit(au0828_exit);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products");
|
2008-09-04 04:12:12 +08:00
|
|
|
MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
|
2008-04-19 08:34:00 +08:00
|
|
|
MODULE_LICENSE("GPL");
|
[media] Stop using linux/version.h on most video drivers
All the modified drivers didn't have any version increment since
Jan, 1 2011. Several of them didn't have any version increment
for a long time, even having new features and important bug fixes
happening.
As we're now filling the QUERYCAP version with the current Kernel
Release, we don't need to maintain a per-driver version control
anymore. So, let's just use the default.
In order to preserve the Kernel module version history, a
KERNEL_VERSION() macro were added to all modified drivers, and
the extraver number were incremented.
I opted to preserve the per-driver version control to a few
pwc, pvrusb2, s2255, s5p-fimc and sh_vou.
A few drivers are still using the legacy way to handle ioctl's.
So, we can't do such change on them, otherwise, they'll break.
Those are: uvc, et61x251 and sn9c102.
The rationale is that the per-driver version control seems to be
actively maintained on those.
Yet, I think that the better for them would be to just use the
default version numbering, instead of doing that by themselves.
While here, removed a few uneeded include linux/version.h
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-06-25 01:45:49 +08:00
|
|
|
MODULE_VERSION("0.0.2");
|