mirror of
https://github.com/adulau/aha.git
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V4L/DVB (12859): go7007: semaphore -> mutex conversion
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
028d4c989a
commit
fd9a40da1d
9 changed files with 68 additions and 70 deletions
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@ -27,7 +27,7 @@
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/firmware.h>
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#include <linux/semaphore.h>
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#include <linux/mutex.h>
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#include <linux/uaccess.h>
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#include <asm/system.h>
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#include <linux/videodev2.h>
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@ -140,9 +140,9 @@ int go7007_boot_encoder(struct go7007 *go, int init_i2c)
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{
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int ret;
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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ret = go7007_load_encoder(go);
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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if (ret < 0)
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return -1;
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if (!init_i2c)
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@ -257,9 +257,9 @@ int go7007_register_encoder(struct go7007 *go)
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printk(KERN_INFO "go7007: registering new %s\n", go->name);
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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ret = go7007_init_encoder(go);
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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if (ret < 0)
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return -1;
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@ -604,7 +604,7 @@ struct go7007 *go7007_alloc(struct go7007_board_info *board, struct device *dev)
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go->tuner_type = -1;
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go->channel_number = 0;
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go->name[0] = 0;
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init_MUTEX(&go->hw_lock);
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mutex_init(&go->hw_lock);
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init_waitqueue_head(&go->frame_waitq);
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spin_lock_init(&go->spinlock);
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go->video_dev = NULL;
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@ -24,7 +24,7 @@
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#include <linux/time.h>
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/semaphore.h>
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#include <linux/mutex.h>
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#include <linux/uaccess.h>
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#include <asm/system.h>
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@ -48,7 +48,7 @@
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/* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs
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* on the Adlink PCI-MPG24, so access is shared between all of them. */
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static DECLARE_MUTEX(adlink_mpg24_i2c_lock);
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static DEFINE_MUTEX(adlink_mpg24_i2c_lock);
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static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
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u16 command, int flags, u8 *data)
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@ -69,11 +69,11 @@ static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
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*data, command, addr);
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#endif
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
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/* Bridge the I2C port on this GO7007 to the shared bus */
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down(&adlink_mpg24_i2c_lock);
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mutex_lock(&adlink_mpg24_i2c_lock);
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go7007_write_addr(go, 0x3c82, 0x0020);
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}
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@ -134,9 +134,9 @@ i2c_done:
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if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
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/* Isolate the I2C port on this GO7007 from the shared bus */
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go7007_write_addr(go, 0x3c82, 0x0000);
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up(&adlink_mpg24_i2c_lock);
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mutex_unlock(&adlink_mpg24_i2c_lock);
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}
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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return ret;
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}
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@ -132,7 +132,7 @@ struct go7007_buffer {
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struct go7007_file {
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struct go7007 *go;
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struct semaphore lock;
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struct mutex lock;
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int buf_count;
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struct go7007_buffer *bufs;
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};
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@ -170,7 +170,7 @@ struct go7007 {
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int ref_count;
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enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
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spinlock_t spinlock;
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struct semaphore hw_lock;
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struct mutex hw_lock;
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int streaming;
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int in_use;
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int audio_enabled;
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@ -240,7 +240,7 @@ struct go7007 {
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unsigned short interrupt_data;
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};
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/* All of these must be called with the hpi_lock semaphore held! */
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/* All of these must be called with the hpi_lock mutex held! */
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#define go7007_interface_reset(go) \
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((go)->hpi_ops->interface_reset(go))
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#define go7007_write_interrupt(go, x, y) \
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@ -62,7 +62,7 @@ struct go7007_usb_board {
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struct go7007_usb {
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struct go7007_usb_board *board;
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struct semaphore i2c_lock;
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struct mutex i2c_lock;
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struct usb_device *usbdev;
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struct urb *video_urbs[8];
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struct urb *audio_urbs[8];
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@ -734,7 +734,7 @@ static int go7007_usb_read_interrupt(struct go7007 *go)
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static void go7007_usb_read_video_pipe_complete(struct urb *urb)
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{
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struct go7007 *go = (struct go7007 *)urb->context;
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int r, status = urb-> status;
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int r, status = urb->status;
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if (!go->streaming) {
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wake_up_interruptible(&go->frame_waitq);
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@ -877,7 +877,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
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if (go->status == STATUS_SHUTDOWN)
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return -1;
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down(&usb->i2c_lock);
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mutex_lock(&usb->i2c_lock);
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for (i = 0; i < num; ++i) {
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/* The hardware command is "write some bytes then read some
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@ -935,7 +935,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
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ret = 0;
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i2c_done:
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up(&usb->i2c_lock);
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mutex_unlock(&usb->i2c_lock);
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return ret;
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}
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@ -1065,7 +1065,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
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if (board->flags & GO7007_USB_EZUSB_I2C) {
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memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
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sizeof(go7007_usb_adap_templ));
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init_MUTEX(&usb->i2c_lock);
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mutex_init(&usb->i2c_lock);
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go->i2c_adapter.dev.parent = go->dev;
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i2c_set_adapdata(&go->i2c_adapter, go);
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if (i2c_add_adapter(&go->i2c_adapter) < 0) {
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@ -30,7 +30,7 @@
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <linux/i2c.h>
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#include <linux/semaphore.h>
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#include <linux/mutex.h>
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#include <linux/uaccess.h>
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#include <asm/system.h>
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@ -75,7 +75,7 @@ static int go7007_streamoff(struct go7007 *go)
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int retval = -EINVAL;
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unsigned long flags;
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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if (go->streaming) {
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go->streaming = 0;
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go7007_stream_stop(go);
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@ -85,7 +85,7 @@ static int go7007_streamoff(struct go7007 *go)
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go7007_reset_encoder(go);
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retval = 0;
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}
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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return 0;
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}
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@ -101,7 +101,7 @@ static int go7007_open(struct file *file)
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return -ENOMEM;
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++go->ref_count;
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gofh->go = go;
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init_MUTEX(&gofh->lock);
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mutex_init(&gofh->lock);
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gofh->buf_count = 0;
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file->private_data = gofh;
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return 0;
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@ -705,14 +705,14 @@ static int vidioc_reqbufs(struct file *file, void *priv,
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req->memory != V4L2_MEMORY_MMAP)
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return -EINVAL;
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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for (i = 0; i < gofh->buf_count; ++i)
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if (gofh->bufs[i].mapped > 0)
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goto unlock_and_return;
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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if (go->in_use > 0 && gofh->buf_count == 0) {
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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goto unlock_and_return;
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}
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@ -731,7 +731,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
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GFP_KERNEL);
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if (!gofh->bufs) {
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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goto unlock_and_return;
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}
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@ -750,8 +750,8 @@ static int vidioc_reqbufs(struct file *file, void *priv,
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}
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gofh->buf_count = count;
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up(&go->hw_lock);
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up(&gofh->lock);
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mutex_unlock(&go->hw_lock);
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mutex_unlock(&gofh->lock);
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memset(req, 0, sizeof(*req));
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@ -762,7 +762,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
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return 0;
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unlock_and_return:
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return retval;
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}
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@ -778,7 +778,7 @@ static int vidioc_querybuf(struct file *file, void *priv,
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index = buf->index;
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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if (index >= gofh->buf_count)
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goto unlock_and_return;
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@ -802,12 +802,12 @@ static int vidioc_querybuf(struct file *file, void *priv,
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buf->memory = V4L2_MEMORY_MMAP;
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buf->m.offset = index * GO7007_BUF_SIZE;
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buf->length = GO7007_BUF_SIZE;
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return 0;
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unlock_and_return:
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return retval;
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}
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@ -824,7 +824,7 @@ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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buf->memory != V4L2_MEMORY_MMAP)
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return retval;
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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if (buf->index < 0 || buf->index >= gofh->buf_count)
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goto unlock_and_return;
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@ -865,12 +865,12 @@ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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spin_lock_irqsave(&go->spinlock, flags);
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list_add_tail(&gobuf->stream, &go->stream);
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spin_unlock_irqrestore(&go->spinlock, flags);
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return 0;
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unlock_and_return:
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return retval;
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}
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@ -890,7 +890,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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if (buf->memory != V4L2_MEMORY_MMAP)
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return retval;
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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if (list_empty(&go->stream))
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goto unlock_and_return;
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gobuf = list_entry(go->stream.next,
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@ -934,11 +934,11 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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buf->length = GO7007_BUF_SIZE;
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buf->reserved = gobuf->modet_active;
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return 0;
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unlock_and_return:
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return retval;
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}
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@ -952,8 +952,8 @@ static int vidioc_streamon(struct file *file, void *priv,
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if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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down(&gofh->lock);
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down(&go->hw_lock);
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mutex_lock(&gofh->lock);
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mutex_lock(&go->hw_lock);
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if (!go->streaming) {
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go->streaming = 1;
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@ -964,8 +964,8 @@ static int vidioc_streamon(struct file *file, void *priv,
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else
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retval = 0;
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}
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up(&go->hw_lock);
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up(&gofh->lock);
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mutex_unlock(&go->hw_lock);
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mutex_unlock(&gofh->lock);
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return retval;
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}
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@ -978,9 +978,9 @@ static int vidioc_streamoff(struct file *file, void *priv,
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if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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go7007_streamoff(go);
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return 0;
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}
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@ -1734,18 +1734,18 @@ static int go7007_mmap(struct file *file, struct vm_area_struct *vma)
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return -EINVAL; /* only support VM_SHARED mapping */
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if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE)
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return -EINVAL; /* must map exactly one full buffer */
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down(&gofh->lock);
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mutex_lock(&gofh->lock);
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index = vma->vm_pgoff / GO7007_BUF_PAGES;
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if (index >= gofh->buf_count) {
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return -EINVAL; /* trying to map beyond requested buffers */
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}
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if (index * GO7007_BUF_PAGES != vma->vm_pgoff) {
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return -EINVAL; /* offset is not aligned on buffer boundary */
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}
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if (gofh->bufs[index].mapped > 0) {
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return -EBUSY;
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}
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gofh->bufs[index].mapped = 1;
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@ -1754,7 +1754,7 @@ static int go7007_mmap(struct file *file, struct vm_area_struct *vma)
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vma->vm_flags |= VM_DONTEXPAND;
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vma->vm_flags &= ~VM_IO;
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vma->vm_private_data = &gofh->bufs[index];
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up(&gofh->lock);
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mutex_unlock(&gofh->lock);
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return 0;
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}
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@ -1862,7 +1862,7 @@ void go7007_v4l2_remove(struct go7007 *go)
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{
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unsigned long flags;
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down(&go->hw_lock);
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mutex_lock(&go->hw_lock);
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if (go->streaming) {
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go->streaming = 0;
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go7007_stream_stop(go);
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@ -1870,7 +1870,7 @@ void go7007_v4l2_remove(struct go7007 *go)
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abort_queued(go);
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spin_unlock_irqrestore(&go->spinlock, flags);
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}
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up(&go->hw_lock);
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mutex_unlock(&go->hw_lock);
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if (go->video_dev)
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video_unregister_device(go->video_dev);
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}
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@ -2,7 +2,7 @@ This is a driver for the WIS GO7007SB multi-format video encoder.
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Pete Eberlein <pete@sensoray.com>
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The driver was originally released under the GPL and is currently hosted at:
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The driver was orignally released under the GPL and is currently hosted at:
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http://nikosapi.org/wiki/index.php/WIS_Go7007_Linux_driver
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The go7007 firmware can be acquired from the package on the site above.
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@ -24,7 +24,7 @@ These should be used instead of the non-standard GO7007 ioctls described
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below.
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The README files from the original package appears below:
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The README files from the orignal package appear below:
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---------------------------------------------------------------------------
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WIS GO7007SB Public Linux Driver
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@ -21,12 +21,10 @@
|
|||
#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
|
||||
|
|
@ -43,7 +41,7 @@ struct go7007_usb_board {
|
|||
|
||||
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];
|
||||
|
|
@ -165,7 +163,7 @@ static int write_reg(struct i2c_client *client, u8 reg, u8 value)
|
|||
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;
|
||||
|
|
@ -175,7 +173,7 @@ static int write_reg(struct i2c_client *client, u8 reg, u8 value)
|
|||
buf,
|
||||
16, 1);
|
||||
|
||||
up(&usb->i2c_lock);
|
||||
mutex_unlock(&usb->i2c_lock);
|
||||
kfree(buf);
|
||||
return rc;
|
||||
}
|
||||
|
|
@ -203,14 +201,14 @@ static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
|
|||
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;
|
||||
|
||||
|
|
@ -541,7 +539,7 @@ static int s2250_probe(struct i2c_client *client,
|
|||
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;
|
||||
|
|
@ -560,7 +558,7 @@ static int s2250_probe(struct i2c_client *client,
|
|||
}
|
||||
kfree(data);
|
||||
}
|
||||
up(&usb->i2c_lock);
|
||||
mutex_unlock(&usb->i2c_lock);
|
||||
}
|
||||
|
||||
printk("s2250: initialized successfully\n");
|
||||
|
|
|
|||
|
|
@ -35,7 +35,7 @@ typedef struct device_extension_s {
|
|||
#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)
|
||||
|
|
@ -67,7 +67,7 @@ static int s2250loader_probe(struct usb_interface *interface,
|
|||
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)
|
||||
|
|
@ -96,7 +96,7 @@ static int s2250loader_probe(struct usb_interface *interface,
|
|||
|
||||
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
|
||||
|
|
@ -128,7 +128,7 @@ static int s2250loader_probe(struct usb_interface *interface,
|
|||
return 0;
|
||||
|
||||
failed:
|
||||
up(&s2250_dev_table_mutex);
|
||||
mutex_unlock(&s2250_dev_table_mutex);
|
||||
failed2:
|
||||
if (s)
|
||||
kref_put(&(s->kref), s2250loader_delete);
|
||||
|
|
|
|||
|
|
@ -26,7 +26,7 @@
|
|||
#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>
|
||||
|
|
|
|||
Loading…
Reference in a new issue