mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 13:05:03 +08:00
857011e4d9
Add pr_fmt and convert printks to pr_<level> Remove explicit prefixes from logging messages. One of the prefixes was defective, a copy/paste error. Use ##__VA_ARGS__ for variadic macros. Whitespace neatening. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
214 lines
6.0 KiB
C
214 lines
6.0 KiB
C
/***************************************************************************
|
|
* V4L2 driver for ET61X[12]51 PC Camera Controllers *
|
|
* *
|
|
* Copyright (C) 2006 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 *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the Free Software *
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
|
|
***************************************************************************/
|
|
|
|
#ifndef _ET61X251_H_
|
|
#define _ET61X251_H_
|
|
|
|
#include <linux/usb.h>
|
|
#include <linux/videodev2.h>
|
|
#include <media/v4l2-common.h>
|
|
#include <linux/device.h>
|
|
#include <linux/list.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/time.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/types.h>
|
|
#include <linux/param.h>
|
|
#include <linux/rwsem.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/string.h>
|
|
#include <linux/kref.h>
|
|
|
|
#include "et61x251_sensor.h"
|
|
|
|
/*****************************************************************************/
|
|
|
|
#define ET61X251_DEBUG
|
|
#define ET61X251_DEBUG_LEVEL 2
|
|
#define ET61X251_MAX_DEVICES 64
|
|
#define ET61X251_PRESERVE_IMGSCALE 0
|
|
#define ET61X251_FORCE_MUNMAP 0
|
|
#define ET61X251_MAX_FRAMES 32
|
|
#define ET61X251_COMPRESSION_QUALITY 0
|
|
#define ET61X251_URBS 2
|
|
#define ET61X251_ISO_PACKETS 7
|
|
#define ET61X251_ALTERNATE_SETTING 13
|
|
#define ET61X251_URB_TIMEOUT msecs_to_jiffies(2 * ET61X251_ISO_PACKETS)
|
|
#define ET61X251_CTRL_TIMEOUT 100
|
|
#define ET61X251_FRAME_TIMEOUT 2
|
|
|
|
/*****************************************************************************/
|
|
|
|
static const struct usb_device_id et61x251_id_table[] = {
|
|
{ USB_DEVICE(0x102c, 0x6251), },
|
|
{ }
|
|
};
|
|
|
|
ET61X251_SENSOR_TABLE
|
|
|
|
/*****************************************************************************/
|
|
|
|
enum et61x251_frame_state {
|
|
F_UNUSED,
|
|
F_QUEUED,
|
|
F_GRABBING,
|
|
F_DONE,
|
|
F_ERROR,
|
|
};
|
|
|
|
struct et61x251_frame_t {
|
|
void* bufmem;
|
|
struct v4l2_buffer buf;
|
|
enum et61x251_frame_state state;
|
|
struct list_head frame;
|
|
unsigned long vma_use_count;
|
|
};
|
|
|
|
enum et61x251_dev_state {
|
|
DEV_INITIALIZED = 0x01,
|
|
DEV_DISCONNECTED = 0x02,
|
|
DEV_MISCONFIGURED = 0x04,
|
|
};
|
|
|
|
enum et61x251_io_method {
|
|
IO_NONE,
|
|
IO_READ,
|
|
IO_MMAP,
|
|
};
|
|
|
|
enum et61x251_stream_state {
|
|
STREAM_OFF,
|
|
STREAM_INTERRUPT,
|
|
STREAM_ON,
|
|
};
|
|
|
|
struct et61x251_sysfs_attr {
|
|
u8 reg, i2c_reg;
|
|
};
|
|
|
|
struct et61x251_module_param {
|
|
u8 force_munmap;
|
|
u16 frame_timeout;
|
|
};
|
|
|
|
static DEFINE_MUTEX(et61x251_sysfs_lock);
|
|
static DECLARE_RWSEM(et61x251_dev_lock);
|
|
|
|
struct et61x251_device {
|
|
struct video_device* v4ldev;
|
|
|
|
struct et61x251_sensor sensor;
|
|
|
|
struct usb_device* usbdev;
|
|
struct urb* urb[ET61X251_URBS];
|
|
void* transfer_buffer[ET61X251_URBS];
|
|
u8* control_buffer;
|
|
|
|
struct et61x251_frame_t *frame_current, frame[ET61X251_MAX_FRAMES];
|
|
struct list_head inqueue, outqueue;
|
|
u32 frame_count, nbuffers, nreadbuffers;
|
|
|
|
enum et61x251_io_method io;
|
|
enum et61x251_stream_state stream;
|
|
|
|
struct v4l2_jpegcompression compression;
|
|
|
|
struct et61x251_sysfs_attr sysfs;
|
|
struct et61x251_module_param module_param;
|
|
|
|
struct kref kref;
|
|
enum et61x251_dev_state state;
|
|
u8 users;
|
|
|
|
struct completion probe;
|
|
struct mutex open_mutex, fileop_mutex;
|
|
spinlock_t queue_lock;
|
|
wait_queue_head_t wait_open, wait_frame, wait_stream;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
struct et61x251_device*
|
|
et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id)
|
|
{
|
|
return usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id) ? cam : NULL;
|
|
}
|
|
|
|
|
|
void
|
|
et61x251_attach_sensor(struct et61x251_device* cam,
|
|
const struct et61x251_sensor* sensor)
|
|
{
|
|
memcpy(&cam->sensor, sensor, sizeof(struct et61x251_sensor));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
#undef DBG
|
|
#undef KDBG
|
|
#ifdef ET61X251_DEBUG
|
|
#define DBG(level, fmt, ...) \
|
|
do { \
|
|
if (debug >= (level)) { \
|
|
if ((level) == 1) \
|
|
dev_err(&cam->usbdev->dev, fmt "\n", \
|
|
##__VA_ARGS__); \
|
|
else if ((level) == 2) \
|
|
dev_info(&cam->usbdev->dev, fmt "\n", \
|
|
##__VA_ARGS__); \
|
|
else if ((level) >= 3) \
|
|
dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", \
|
|
__FILE__, __func__, __LINE__, \
|
|
##__VA_ARGS__); \
|
|
} \
|
|
} while (0)
|
|
#define KDBG(level, fmt, ...) \
|
|
do { \
|
|
if (debug >= (level)) { \
|
|
if ((level) == 1 || (level) == 2) \
|
|
pr_info(fmt "\n", ##__VA_ARGS__); \
|
|
else if ((level) == 3) \
|
|
pr_debug("[%s:%s:%d] " fmt "\n", \
|
|
__FILE__, __func__, __LINE__, \
|
|
##__VA_ARGS__); \
|
|
} \
|
|
} while (0)
|
|
#define V4LDBG(level, name, cmd) \
|
|
do { \
|
|
if (debug >= (level)) \
|
|
v4l_print_ioctl(name, cmd); \
|
|
} while (0)
|
|
#else
|
|
#define DBG(level, fmt, ...) do {;} while(0)
|
|
#define KDBG(level, fmt, ...) do {;} while(0)
|
|
#define V4LDBG(level, name, cmd) do {;} while(0)
|
|
#endif
|
|
|
|
#undef PDBG
|
|
#define PDBG(fmt, ...) \
|
|
dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", \
|
|
__FILE__, __func__, __LINE__, ##__VA_ARGS__)
|
|
|
|
#undef PDBGG
|
|
#define PDBGG(fmt, args...) do {;} while (0) /* placeholder */
|
|
|
|
#endif /* _ET61X251_H_ */
|