#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/firmware.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <asm/system.h>
#include <linux/videodev2.h>
{
int ret;
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
ret = go7007_load_encoder(go);
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
if (ret < 0)
return -1;
if (!init_i2c)
printk(KERN_INFO "go7007: registering new %s\n", go->name);
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
ret = go7007_init_encoder(go);
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
if (ret < 0)
return -1;
go->tuner_type = -1;
go->channel_number = 0;
go->name[0] = 0;
- init_MUTEX(&go->hw_lock);
+ mutex_init(&go->hw_lock);
init_waitqueue_head(&go->frame_waitq);
spin_lock_init(&go->spinlock);
go->video_dev = NULL;
#include <linux/time.h>
#include <linux/device.h>
#include <linux/i2c.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <asm/system.h>
/* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs
* on the Adlink PCI-MPG24, so access is shared between all of them. */
-static DECLARE_MUTEX(adlink_mpg24_i2c_lock);
+static DEFINE_MUTEX(adlink_mpg24_i2c_lock);
static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
u16 command, int flags, u8 *data)
*data, command, addr);
#endif
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
/* Bridge the I2C port on this GO7007 to the shared bus */
- down(&adlink_mpg24_i2c_lock);
+ mutex_lock(&adlink_mpg24_i2c_lock);
go7007_write_addr(go, 0x3c82, 0x0020);
}
if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
/* Isolate the I2C port on this GO7007 from the shared bus */
go7007_write_addr(go, 0x3c82, 0x0000);
- up(&adlink_mpg24_i2c_lock);
+ mutex_unlock(&adlink_mpg24_i2c_lock);
}
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
return ret;
}
struct go7007_file {
struct go7007 *go;
- struct semaphore lock;
+ struct mutex lock;
int buf_count;
struct go7007_buffer *bufs;
};
int ref_count;
enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
spinlock_t spinlock;
- struct semaphore hw_lock;
+ struct mutex hw_lock;
int streaming;
int in_use;
int audio_enabled;
unsigned short interrupt_data;
};
-/* All of these must be called with the hpi_lock semaphore held! */
+/* All of these must be called with the hpi_lock mutex held! */
#define go7007_interface_reset(go) \
((go)->hpi_ops->interface_reset(go))
#define go7007_write_interrupt(go, x, y) \
struct go7007_usb {
struct go7007_usb_board *board;
- struct semaphore i2c_lock;
+ struct mutex i2c_lock;
struct usb_device *usbdev;
struct urb *video_urbs[8];
struct urb *audio_urbs[8];
static void go7007_usb_read_video_pipe_complete(struct urb *urb)
{
struct go7007 *go = (struct go7007 *)urb->context;
- int r, status = urb-> status;
+ int r, status = urb->status;
if (!go->streaming) {
wake_up_interruptible(&go->frame_waitq);
if (go->status == STATUS_SHUTDOWN)
return -1;
- down(&usb->i2c_lock);
+ mutex_lock(&usb->i2c_lock);
for (i = 0; i < num; ++i) {
/* The hardware command is "write some bytes then read some
ret = 0;
i2c_done:
- up(&usb->i2c_lock);
+ mutex_unlock(&usb->i2c_lock);
return ret;
}
if (board->flags & GO7007_USB_EZUSB_I2C) {
memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
sizeof(go7007_usb_adap_templ));
- init_MUTEX(&usb->i2c_lock);
+ mutex_init(&usb->i2c_lock);
go->i2c_adapter.dev.parent = go->dev;
i2c_set_adapdata(&go->i2c_adapter, go);
if (i2c_add_adapter(&go->i2c_adapter) < 0) {
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <linux/i2c.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <asm/system.h>
int retval = -EINVAL;
unsigned long flags;
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
if (go->streaming) {
go->streaming = 0;
go7007_stream_stop(go);
go7007_reset_encoder(go);
retval = 0;
}
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
return 0;
}
return -ENOMEM;
++go->ref_count;
gofh->go = go;
- init_MUTEX(&gofh->lock);
+ mutex_init(&gofh->lock);
gofh->buf_count = 0;
file->private_data = gofh;
return 0;
req->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
for (i = 0; i < gofh->buf_count; ++i)
if (gofh->bufs[i].mapped > 0)
goto unlock_and_return;
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
if (go->in_use > 0 && gofh->buf_count == 0) {
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
goto unlock_and_return;
}
GFP_KERNEL);
if (!gofh->bufs) {
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
goto unlock_and_return;
}
}
gofh->buf_count = count;
- up(&go->hw_lock);
- up(&gofh->lock);
+ mutex_unlock(&go->hw_lock);
+ mutex_unlock(&gofh->lock);
memset(req, 0, sizeof(*req));
return 0;
unlock_and_return:
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return retval;
}
index = buf->index;
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
if (index >= gofh->buf_count)
goto unlock_and_return;
buf->memory = V4L2_MEMORY_MMAP;
buf->m.offset = index * GO7007_BUF_SIZE;
buf->length = GO7007_BUF_SIZE;
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return 0;
unlock_and_return:
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return retval;
}
buf->memory != V4L2_MEMORY_MMAP)
return retval;
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
if (buf->index < 0 || buf->index >= gofh->buf_count)
goto unlock_and_return;
spin_lock_irqsave(&go->spinlock, flags);
list_add_tail(&gobuf->stream, &go->stream);
spin_unlock_irqrestore(&go->spinlock, flags);
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return 0;
unlock_and_return:
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return retval;
}
if (buf->memory != V4L2_MEMORY_MMAP)
return retval;
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
if (list_empty(&go->stream))
goto unlock_and_return;
gobuf = list_entry(go->stream.next,
buf->length = GO7007_BUF_SIZE;
buf->reserved = gobuf->modet_active;
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return 0;
unlock_and_return:
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return retval;
}
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- down(&gofh->lock);
- down(&go->hw_lock);
+ mutex_lock(&gofh->lock);
+ mutex_lock(&go->hw_lock);
if (!go->streaming) {
go->streaming = 1;
else
retval = 0;
}
- up(&go->hw_lock);
- up(&gofh->lock);
+ mutex_unlock(&go->hw_lock);
+ mutex_unlock(&gofh->lock);
return retval;
}
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
go7007_streamoff(go);
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return 0;
}
return -EINVAL; /* only support VM_SHARED mapping */
if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE)
return -EINVAL; /* must map exactly one full buffer */
- down(&gofh->lock);
+ mutex_lock(&gofh->lock);
index = vma->vm_pgoff / GO7007_BUF_PAGES;
if (index >= gofh->buf_count) {
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return -EINVAL; /* trying to map beyond requested buffers */
}
if (index * GO7007_BUF_PAGES != vma->vm_pgoff) {
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return -EINVAL; /* offset is not aligned on buffer boundary */
}
if (gofh->bufs[index].mapped > 0) {
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return -EBUSY;
}
gofh->bufs[index].mapped = 1;
vma->vm_flags |= VM_DONTEXPAND;
vma->vm_flags &= ~VM_IO;
vma->vm_private_data = &gofh->bufs[index];
- up(&gofh->lock);
+ mutex_unlock(&gofh->lock);
return 0;
}
{
unsigned long flags;
- down(&go->hw_lock);
+ mutex_lock(&go->hw_lock);
if (go->streaming) {
go->streaming = 0;
go7007_stream_stop(go);
abort_queued(go);
spin_unlock_irqrestore(&go->spinlock, flags);
}
- up(&go->hw_lock);
+ mutex_unlock(&go->hw_lock);
if (go->video_dev)
video_unregister_device(go->video_dev);
}
Pete Eberlein <pete@sensoray.com>
-The driver was originally released under the GPL and is currently hosted at:
+The driver was orignally released under the GPL and is currently hosted at:
http://nikosapi.org/wiki/index.php/WIS_Go7007_Linux_driver
The go7007 firmware can be acquired from the package on the site above.
below.
-The README files from the original package appears below:
+The README files from the orignal package appear below:
---------------------------------------------------------------------------
WIS GO7007SB Public Linux Driver
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include "s2250-loader.h"
#include "go7007-priv.h"
#include "wis-i2c.h"
-extern int s2250loader_init(void);
-extern void s2250loader_cleanup(void);
-
#define TLV320_ADDRESS 0x34
#define VPX322_ADDR_ANALOGCONTROL1 0x02
#define VPX322_ADDR_BRIGHTNESS0 0x0127
struct go7007_usb {
struct go7007_usb_board *board;
- struct semaphore i2c_lock;
+ struct mutex i2c_lock;
struct usb_device *usbdev;
struct urb *video_urbs[8];
struct urb *audio_urbs[8];
return -ENOMEM;
usb = go->hpi_context;
- if (down_interruptible(&usb->i2c_lock) != 0) {
+ if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
printk(KERN_INFO "i2c lock failed\n");
kfree(buf);
return -EINTR;
buf,
16, 1);
- up(&usb->i2c_lock);
+ mutex_unlock(&usb->i2c_lock);
kfree(buf);
return rc;
}
memset(buf, 0xcd, 6);
usb = go->hpi_context;
- if (down_interruptible(&usb->i2c_lock) != 0) {
+ if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
printk(KERN_INFO "i2c lock failed\n");
return -EINTR;
}
if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
return -EFAULT;
- up(&usb->i2c_lock);
+ mutex_unlock(&usb->i2c_lock);
if (buf[0] == 0) {
unsigned int subaddr, val_read;
dec->audio_input = 0;
write_reg(client, 0x08, 0x02); /* Line In */
- if (down_interruptible(&usb->i2c_lock) == 0) {
+ if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
data = kzalloc(16, GFP_KERNEL);
if (data != NULL) {
int rc;
}
kfree(data);
}
- up(&usb->i2c_lock);
+ mutex_unlock(&usb->i2c_lock);
}
printk("s2250: initialized successfully\n");
#define MAX_DEVICES 256
static pdevice_extension_t s2250_dev_table[MAX_DEVICES];
-static DECLARE_MUTEX(s2250_dev_table_mutex);
+static DEFINE_MUTEX(s2250_dev_table_mutex);
#define to_s2250loader_dev_common(d) container_of(d, device_extension_t, kref)
static void s2250loader_delete(struct kref *kref)
printk(KERN_ERR "can't handle multiple config\n");
return -1;
}
- down(&s2250_dev_table_mutex);
+ mutex_lock(&s2250_dev_table_mutex);
for (minor = 0; minor < MAX_DEVICES; minor++) {
if (s2250_dev_table[minor] == NULL)
kref_init(&(s->kref));
- up(&s2250_dev_table_mutex);
+ mutex_unlock(&s2250_dev_table_mutex);
if (request_firmware(&fw, S2250_LOADER_FIRMWARE, &usbdev->dev)) {
printk(KERN_ERR
return 0;
failed:
- up(&s2250_dev_table_mutex);
+ mutex_unlock(&s2250_dev_table_mutex);
failed2:
if (s)
kref_put(&(s->kref), s2250loader_delete);
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/i2c.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <asm/system.h>
#include <sound/core.h>
projects / mv-sheeva.git / commitdiff