Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
#include <media/saa7146.h>
LIST_HEAD(saa7146_devices);
-DECLARE_MUTEX(saa7146_devices_lock);
+DEFINE_MUTEX(saa7146_devices_lock);
static int saa7146_num;
pci_set_drvdata(pci, dev);
- init_MUTEX(&dev->lock);
+ mutex_init(&dev->lock);
spin_lock_init(&dev->int_slock);
spin_lock_init(&dev->slock);
- init_MUTEX(&dev->i2c_lock);
+ mutex_init(&dev->i2c_lock);
dev->module = THIS_MODULE;
init_waitqueue_head(&dev->i2c_wq);
}
/* is it free? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (vv->resources & bit) {
DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit));
/* no, someone else uses it */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
vv->resources |= bit;
DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 1;
}
if ((fh->resources & bits) != bits)
BUG();
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->resources &= ~bits;
vv->resources &= ~bits;
DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
DEB_EE(("inode:%p, file:%p, minor:%d\n",inode,file,minor));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
list_for_each(list,&saa7146_devices) {
kfree(fh);
file->private_data = NULL;
}
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return result;
}
DEB_EE(("inode:%p, file:%p\n",inode,file));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
file->private_data = NULL;
kfree(fh);
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return 0;
}
int address_err = 0;
int short_delay = 0;
- if (down_interruptible (&dev->i2c_lock))
+ if (mutex_lock_interruptible(&dev->i2c_lock))
return -ERESTARTSYS;
for(i=0;i<num;i++) {
}
}
- up(&dev->i2c_lock);
+ mutex_unlock(&dev->i2c_lock);
return err;
}
V4L2_FIELD_SEQ_TB, // FIXME: does this really work?
sizeof(struct saa7146_buf),
file);
- init_MUTEX(&fh->vbi_q.lock);
+ mutex_init(&fh->vbi_q.lock);
init_timer(&fh->vbi_read_timeout);
fh->vbi_read_timeout.function = vbi_read_timeout;
err = try_win(dev,&f->fmt.win);
if (0 != err)
return err;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->ov.win = f->fmt.win;
fh->ov.nclips = f->fmt.win.clipcount;
if (fh->ov.nclips > 16)
fh->ov.nclips = 16;
if (copy_from_user(fh->ov.clips,f->fmt.win.clips,sizeof(struct v4l2_clip)*fh->ov.nclips)) {
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return -EFAULT;
}
/* fh->ov.fh is used to indicate that we have valid overlay informations, too */
fh->ov.fh = fh;
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
/* check if our current overlay is active */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
return -EINVAL;
}
- down(&dev->lock);
+ mutex_lock(&dev->lock);
switch (ctrl->type) {
case V4L2_CTRL_TYPE_BOOLEAN:
/* fixme: we can support changing VFLIP and HFLIP here... */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D(("V4L2_CID_HFLIP while active capture.\n"));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return -EINVAL;
}
vv->hflip = c->value;
case V4L2_CID_VFLIP:
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D(("V4L2_CID_VFLIP while active capture.\n"));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return -EINVAL;
}
vv->vflip = c->value;
return -EINVAL;
}
}
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if (IS_OVERLAY_ACTIVE(fh) != 0) {
saa7146_stop_preview(fh);
}
}
- down(&dev->lock);
+ mutex_lock(&dev->lock);
/* ok, accept it */
vv->ov_fb = *fb;
vv->ov_fb.fmt.bytesperline =
vv->ov_fb.fmt.width*fmt->depth/8;
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
}
}
- down(&dev->lock);
+ mutex_lock(&dev->lock);
for(i = 0; i < dev->ext_vv_data->num_stds; i++)
if (*id & dev->ext_vv_data->stds[i].id)
found = 1;
}
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
DEB_D(("VIDIOCGMBUF \n"));
q = &fh->video_q;
- down(&q->lock);
+ mutex_lock(&q->lock);
err = videobuf_mmap_setup(q,gbuffers,gbufsize,
V4L2_MEMORY_MMAP);
if (err < 0) {
- up(&q->lock);
+ mutex_unlock(&q->lock);
return err;
}
memset(mbuf,0,sizeof(*mbuf));
mbuf->size = gbuffers * gbufsize;
for (i = 0; i < gbuffers; i++)
mbuf->offsets[i] = i * gbufsize;
- up(&q->lock);
+ mutex_unlock(&q->lock);
return 0;
}
default:
sizeof(struct saa7146_buf),
file);
- init_MUTEX(&fh->video_q.lock);
+ mutex_init(&fh->video_q.lock);
return 0;
}
#include <linux/config.h>
#include <linux/pci.h>
+#include <linux/mutex.h>
#include "flexcop-reg.h"
int (*fe_sleep) (struct dvb_frontend *);
struct i2c_adapter i2c_adap;
- struct semaphore i2c_sem;
-
+ struct mutex i2c_mutex;
struct module *owner;
/* options and status */
struct flexcop_device *fc = i2c_get_adapdata(i2c_adap);
int i, ret = 0;
- if (down_interruptible(&fc->i2c_sem))
+ if (mutex_lock_interruptible(&fc->i2c_mutex))
return -ERESTARTSYS;
/* reading */
else
ret = num;
- up(&fc->i2c_sem);
+ mutex_unlock(&fc->i2c_mutex);
return ret;
}
{
int ret;
- sema_init(&fc->i2c_sem,1);
+ mutex_init(&fc->i2c_mutex);
memset(&fc->i2c_adap, 0, sizeof(struct i2c_adapter));
strncpy(fc->i2c_adap.name, "B2C2 FlexCop device",I2C_NAME_SIZE);
int retval;
retval = 0;
- if (down_interruptible (&bt->gpio_lock))
+ if (mutex_lock_interruptible(&bt->gpio_lock))
return -ERESTARTSYS;
/* special gpio signal */
switch (cmd) {
retval = -EINVAL;
break;
}
- up(&bt->gpio_lock);
+ mutex_unlock(&bt->gpio_lock);
return retval;
}
#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
+
#include "bt848.h"
#include "bttv.h"
extern int bt878_num;
struct bt878 {
- struct semaphore gpio_lock;
+ struct mutex gpio_lock;
unsigned int nr;
unsigned int bttv_nr;
struct i2c_adapter *adapter;
static int dst_probe(struct dst_state *state)
{
- sema_init(&state->dst_mutex, 1);
+ mutex_init(&state->dst_mutex);
if ((rdc_8820_reset(state)) < 0) {
dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
return -1;
{
u8 reply;
- down(&state->dst_mutex);
+ mutex_lock(&state->dst_mutex);
if ((dst_comm_init(state)) < 0) {
dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
goto error;
dprintk(verbose, DST_INFO, 1, "checksum failure");
goto error;
}
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return 0;
error:
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return -EIO;
}
dst_set_voltage(fe, SEC_VOLTAGE_13);
}
state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
- down(&state->dst_mutex);
+ mutex_lock(&state->dst_mutex);
if ((dst_comm_init(state)) < 0) {
dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
goto error;
state->diseq_flags |= ATTEMPT_TUNE;
retval = dst_get_tuna(state);
werr:
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return retval;
error:
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return -EIO;
}
{
u8 reply;
- down(&state->dst_mutex);
+ mutex_lock(&state->dst_mutex);
dst_comm_init(state);
msleep(65);
goto error;
}
}
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return 0;
error:
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return -EIO;
}
#include <linux/smp_lock.h>
#include <linux/dvb/frontend.h>
#include <linux/device.h>
+#include <linux/mutex.h>
#include "bt878.h"
#include "dst_ca.h"
u8 vendor[8];
u8 board_info[8];
- struct semaphore dst_mutex;
+ struct mutex dst_mutex;
};
struct dst_types {
if (!dvbdmx->dmx.frontend)
return -EINVAL;
- down(&card->lock);
+ mutex_lock(&card->lock);
card->nfeeds++;
rc = card->nfeeds;
if (card->nfeeds == 1)
bt878_start(card->bt, card->gpio_mode,
card->op_sync_orin, card->irq_err_ignore);
- up(&card->lock);
+ mutex_unlock(&card->lock);
return rc;
}
if (!dvbdmx->dmx.frontend)
return -EINVAL;
- down(&card->lock);
+ mutex_lock(&card->lock);
card->nfeeds--;
if (card->nfeeds == 0)
bt878_stop(card->bt);
- up(&card->lock);
+ mutex_unlock(&card->lock);
return 0;
}
if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
return -ENOMEM;
- init_MUTEX(&card->lock);
+ mutex_init(&card->lock);
card->bttv_nr = sub->core->nr;
strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
card->i2c_adapter = &sub->core->i2c_adap;
return -EFAULT;
}
- init_MUTEX(&card->bt->gpio_lock);
+ mutex_init(&card->bt->gpio_lock);
card->bt->bttv_nr = sub->core->nr;
if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
#define DVB_BT8XX_H
#include <linux/i2c.h>
+#include <linux/mutex.h>
#include "dvbdev.h"
#include "dvb_net.h"
#include "bttv.h"
#include "lgdt330x.h"
struct dvb_bt8xx_card {
- struct semaphore lock;
+ struct mutex lock;
int nfeeds;
char card_name[32];
struct dvb_adapter dvb_adapter;
#include <linux/pci.h>
#include <linux/input.h>
#include <linux/dvb/frontend.h>
+#include <linux/mutex.h>
#include "dmxdev.h"
#include "dvb_demux.h"
struct cinergyt2 {
struct dvb_demux demux;
struct usb_device *udev;
- struct semaphore sem;
+ struct mutex sem;
struct dvb_adapter adapter;
struct dvb_device *fedev;
struct dmxdev dmxdev;
struct dvb_demux *demux = dvbdmxfeed->demux;
struct cinergyt2 *cinergyt2 = demux->priv;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if (cinergyt2->streaming == 0)
cinergyt2_start_stream_xfer(cinergyt2);
cinergyt2->streaming++;
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return 0;
}
struct dvb_demux *demux = dvbdmxfeed->demux;
struct cinergyt2 *cinergyt2 = demux->priv;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if (--cinergyt2->streaming == 0)
cinergyt2_stop_stream_xfer(cinergyt2);
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return 0;
}
struct cinergyt2 *cinergyt2 = dvbdev->priv;
int err = -ERESTARTSYS;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if ((err = dvb_generic_open(inode, file))) {
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return err;
}
atomic_inc(&cinergyt2->inuse);
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return 0;
}
struct dvb_device *dvbdev = file->private_data;
struct cinergyt2 *cinergyt2 = dvbdev->priv;
- if (down_interruptible(&cinergyt2->sem))
+ if (mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
cinergyt2_sleep(cinergyt2, 1);
}
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
warn("delayed unregister in release");
struct dvb_device *dvbdev = file->private_data;
struct cinergyt2 *cinergyt2 = dvbdev->priv;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
poll_wait(file, &cinergyt2->poll_wq, wait);
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return (POLLIN | POLLRDNORM | POLLPRI);
}
if (copy_from_user(&p, (void __user*) arg, sizeof(p)))
return -EFAULT;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
(char *) param, sizeof(*param),
NULL, 0);
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return (err < 0) ? err : 0;
}
struct cinergyt2_rc_event rc_events[12];
int n, len, i;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return;
len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
schedule_delayed_work(&cinergyt2->rc_query_work,
msecs_to_jiffies(RC_QUERY_INTERVAL));
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
}
static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
uint8_t lock_bits;
uint32_t unc;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return;
unc = s->uncorrected_block_count;
schedule_delayed_work(&cinergyt2->query_work,
msecs_to_jiffies(QUERY_INTERVAL));
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
}
static int cinergyt2_probe (struct usb_interface *intf,
memset (cinergyt2, 0, sizeof (struct cinergyt2));
usb_set_intfdata (intf, (void *) cinergyt2);
- init_MUTEX(&cinergyt2->sem);
+ mutex_init(&cinergyt2->sem);
init_waitqueue_head (&cinergyt2->poll_wq);
INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
{
struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if (state.event > PM_EVENT_ON) {
cinergyt2_sleep(cinergyt2, 1);
}
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return 0;
}
struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
struct dvbt_set_parameters_msg *param = &cinergyt2->param;
- if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+ if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
return -ERESTARTSYS;
if (!cinergyt2->sleeping) {
cinergyt2_resume_rc(cinergyt2);
- up(&cinergyt2->sem);
+ mutex_unlock(&cinergyt2->sem);
return 0;
}
dprintk ("function : %s\n", __FUNCTION__);
- if (down_interruptible (&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
if ((file->f_flags&O_ACCMODE)==O_RDWR) {
if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) {
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return -EOPNOTSUPP;
}
}
dmxdev->dvr_buffer.size=DVR_BUFFER_SIZE;
dmxdev->dvr_buffer.data=vmalloc(DVR_BUFFER_SIZE);
if (!dmxdev->dvr_buffer.data) {
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return -ENOMEM;
}
}
dmxdev->dvr_orig_fe=dmxdev->demux->frontend;
if (!dmxdev->demux->write) {
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return -EOPNOTSUPP;
}
front=get_fe(dmxdev->demux, DMX_MEMORY_FE);
if (!front) {
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return -EINVAL;
}
dmxdev->demux->disconnect_frontend(dmxdev->demux);
dmxdev->demux->connect_frontend(dmxdev->demux, front);
}
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return 0;
}
struct dvb_device *dvbdev = file->private_data;
struct dmxdev *dmxdev = dvbdev->priv;
- if (down_interruptible (&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
vfree(mem);
}
}
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return 0;
}
return -EOPNOTSUPP;
if ((file->f_flags&O_ACCMODE)!=O_WRONLY)
return -EINVAL;
- if (down_interruptible (&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
ret=dmxdev->demux->write(dmxdev->demux, buf, count);
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return ret;
}
struct dmxdev *dmxdev = dvbdev->priv;
int ret;
- //down(&dmxdev->mutex);
+ //mutex_lock(&dmxdev->mutex);
ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
file->f_flags&O_NONBLOCK,
buf, count, ppos);
- //up(&dmxdev->mutex);
+ //mutex_unlock(&dmxdev->mutex);
return ret;
}
if (!dmxdev->filter)
return -EINVAL;
- if (down_interruptible(&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
for (i=0; i<dmxdev->filternum; i++)
break;
if (i==dmxdev->filternum) {
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return -EMFILE;
}
dmxdevfilter=&dmxdev->filter[i];
- sema_init(&dmxdevfilter->mutex, 1);
+ mutex_init(&dmxdevfilter->mutex);
dmxdevfilter->dvbdev=dmxdev->dvbdev;
file->private_data=dmxdevfilter;
dmxdevfilter->feed.ts=NULL;
init_timer(&dmxdevfilter->timer);
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return 0;
}
static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *dmxdevfilter)
{
- if (down_interruptible(&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_FREE);
wake_up(&dmxdevfilter->buffer.queue);
- up(&dmxdevfilter->mutex);
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdev->mutex);
return 0;
}
struct dmxdev_filter *dmxdevfilter= file->private_data;
int ret=0;
- if (down_interruptible(&dmxdevfilter->mutex))
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex))
return -ERESTARTSYS;
if (dmxdevfilter->type==DMXDEV_TYPE_SEC)
file->f_flags&O_NONBLOCK,
buf, count, ppos);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
return ret;
}
unsigned long arg=(unsigned long) parg;
int ret=0;
- if (down_interruptible (&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
switch (cmd) {
case DMX_START:
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
if (dmxdevfilter->state<DMXDEV_STATE_SET)
ret = -EINVAL;
else
ret = dvb_dmxdev_filter_start(dmxdevfilter);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
break;
case DMX_STOP:
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
ret=dvb_dmxdev_filter_stop(dmxdevfilter);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
break;
case DMX_SET_FILTER:
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
(struct dmx_sct_filter_params *)parg);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
break;
case DMX_SET_PES_FILTER:
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
(struct dmx_pes_filter_params *)parg);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
break;
case DMX_SET_BUFFER_SIZE:
- if (down_interruptible(&dmxdevfilter->mutex)) {
- up(&dmxdev->mutex);
+ if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+ mutex_unlock(&dmxdev->mutex);
return -ERESTARTSYS;
}
ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
- up(&dmxdevfilter->mutex);
+ mutex_unlock(&dmxdevfilter->mutex);
break;
case DMX_GET_EVENT:
default:
ret=-EINVAL;
}
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return ret;
}
int ret=0;
- if (down_interruptible (&dmxdev->mutex))
+ if (mutex_lock_interruptible(&dmxdev->mutex))
return -ERESTARTSYS;
switch (cmd) {
default:
ret=-EINVAL;
}
- up(&dmxdev->mutex);
+ mutex_unlock(&dmxdev->mutex);
return ret;
}
return -ENOMEM;
}
- sema_init(&dmxdev->mutex, 1);
+ mutex_init(&dmxdev->mutex);
spin_lock_init(&dmxdev->lock);
for (i=0; i<dmxdev->filternum; i++) {
dmxdev->filter[i].dev=dmxdev;
#include <linux/wait.h>
#include <linux/fs.h>
#include <linux/string.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include <linux/dvb/dmx.h>
struct dmxdev *dev;
struct dmxdev_buffer buffer;
- struct semaphore mutex;
+ struct mutex mutex;
/* only for sections */
struct timer_list timer;
struct dmxdev_buffer dvr_buffer;
#define DVR_BUFFER_SIZE (10*188*1024)
- struct semaphore mutex;
+ struct mutex mutex;
spinlock_t lock;
};
if (pid > DMX_MAX_PID)
return -EINVAL;
- if (down_interruptible(&demux->mutex))
+ if (mutex_lock_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (ts_type & TS_DECODER) {
if (pes_type >= DMX_TS_PES_OTHER) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EINVAL;
}
if (demux->pesfilter[pes_type] &&
demux->pesfilter[pes_type] != feed) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EINVAL;
}
#else
feed->buffer = vmalloc(feed->buffer_size);
if (!feed->buffer) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -ENOMEM;
}
#endif
}
feed->state = DMX_STATE_READY;
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return 0;
}
struct dvb_demux *demux = feed->demux;
int ret;
- if (down_interruptible(&demux->mutex))
+ if (mutex_lock_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state != DMX_STATE_READY || feed->type != DMX_TYPE_TS) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EINVAL;
}
if (!demux->start_feed) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -ENODEV;
}
if ((ret = demux->start_feed(feed)) < 0) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return ret;
}
ts_feed->is_filtering = 1;
feed->state = DMX_STATE_GO;
spin_unlock_irq(&demux->lock);
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return 0;
}
struct dvb_demux *demux = feed->demux;
int ret;
- if (down_interruptible(&demux->mutex))
+ if (mutex_lock_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state < DMX_STATE_GO) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EINVAL;
}
if (!demux->stop_feed) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -ENODEV;
}
ts_feed->is_filtering = 0;
feed->state = DMX_STATE_ALLOCATED;
spin_unlock_irq(&demux->lock);
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return ret;
}
struct dvb_demux *demux = (struct dvb_demux *)dmx;
struct dvb_demux_feed *feed;
- if (down_interruptible(&demux->mutex))
+ if (mutex_lock_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (!(feed = dvb_dmx_feed_alloc(demux))) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EBUSY;
}
if (!(feed->filter = dvb_dmx_filter_alloc(demux))) {
feed->state = DMX_STATE_FREE;
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EBUSY;
}
feed->filter->feed = feed;
feed->filter->state = DMX_STATE_READY;
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return 0;
}
struct dvb_demux *demux = (struct dvb_demux *)dmx;
struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
- if (down_interruptible(&demux->mutex))
+ if (mutex_lock_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state == DMX_STATE_FREE) {
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return -EINVAL;
}
#ifndef NOBUFS
if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_TS_PES_OTHER)
demux->pesfilter[feed->pes_type] = NULL;
- up(&demux->mutex);
+ mutex_unlock(&demux->mutex);
return 0;
}
struct dvb_demux *dvbdemux = dvbdmxfeed->demux;
struct dvb_demux_filter *dvbdmxfilter;
- if (down_interruptible(&dvbdemux->mutex))
+ if (mutex_lock_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
dvbdmxfilter = dvb_dmx_filter_alloc(dvbdemux);
if (!dvbdmxfilter) {
- up(&dvbdemux->mutex);
+ mutex_unlock(&dvbdemux->mutex);
return -EBUSY;
}
dvbdmxfeed->filter = dvbdmxfilter;
spin_unlock_irq(&dvbdemux->lock);
- up(&dvbdemux->mutex);
+ mutex_unlock(&dvbdemux->mutex);
return 0;
}
if (pid > 0x1fff)
return -EINVAL;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
dvb_demux_feed_add(dvbdmxfeed);
#else
dvbdmxfeed->buffer = vmalloc(dvbdmxfeed->buffer_size);
if (!dvbdmxfeed->buffer) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -ENOMEM;
}
#endif
dvbdmxfeed->state = DMX_STATE_READY;
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return 0;
}
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
int ret;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (feed->is_filtering) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -EBUSY;
}
if (!dvbdmxfeed->filter) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -EINVAL;
}
dvbdmxfeed->feed.sec.seclen = 0;
if (!dvbdmx->start_feed) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -ENODEV;
}
prepare_secfilters(dvbdmxfeed);
if ((ret = dvbdmx->start_feed(dvbdmxfeed)) < 0) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return ret;
}
dvbdmxfeed->state = DMX_STATE_GO;
spin_unlock_irq(&dvbdmx->lock);
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return 0;
}
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
int ret;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (!dvbdmx->stop_feed) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -ENODEV;
}
feed->is_filtering = 0;
spin_unlock_irq(&dvbdmx->lock);
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return ret;
}
struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (dvbdmxfilter->feed != dvbdmxfeed) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -EINVAL;
}
dvbdmxfilter->state = DMX_STATE_FREE;
spin_unlock_irq(&dvbdmx->lock);
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return 0;
}
struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
struct dvb_demux_feed *dvbdmxfeed;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (!(dvbdmxfeed = dvb_dmx_feed_alloc(dvbdmx))) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -EBUSY;
}
(*feed)->stop_filtering = dmx_section_feed_stop_filtering;
(*feed)->release_filter = dmx_section_feed_release_filter;
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return 0;
}
struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
- if (down_interruptible(&dvbdmx->mutex))
+ if (mutex_lock_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (dvbdmxfeed->state == DMX_STATE_FREE) {
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return -EINVAL;
}
#ifndef NOBUFS
dvbdmxfeed->pid = 0xffff;
- up(&dvbdmx->mutex);
+ mutex_unlock(&dvbdmx->mutex);
return 0;
}
if ((!demux->frontend) || (demux->frontend->source != DMX_MEMORY_FE))
return -EINVAL;
- if (down_interruptible(&dvbdemux->mutex))
+ if (mutex_lock_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
dvb_dmx_swfilter(dvbdemux, buf, count);
- up(&dvbdemux->mutex);
+ mutex_unlock(&dvbdemux->mutex);
if (signal_pending(current))
return -EINTR;
if (demux->frontend)
return -EINVAL;
- if (down_interruptible(&dvbdemux->mutex))
+ if (mutex_lock_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
demux->frontend = frontend;
- up(&dvbdemux->mutex);
+ mutex_unlock(&dvbdemux->mutex);
return 0;
}
{
struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
- if (down_interruptible(&dvbdemux->mutex))
+ if (mutex_lock_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
demux->frontend = NULL;
- up(&dvbdemux->mutex);
+ mutex_unlock(&dvbdemux->mutex);
return 0;
}
dmx->disconnect_frontend = dvbdmx_disconnect_frontend;
dmx->get_pes_pids = dvbdmx_get_pes_pids;
- sema_init(&dvbdemux->mutex, 1);
+ mutex_init(&dvbdemux->mutex);
spin_lock_init(&dvbdemux->lock);
return 0;
#include <linux/time.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include "demux.h"
u8 tsbuf[204];
int tsbufp;
- struct semaphore mutex;
+ struct mutex mutex;
spinlock_t lock;
};
#include <linux/suspend.h>
#include <linux/jiffies.h>
#include <asm/processor.h>
-#include <asm/semaphore.h>
#include "dvb_frontend.h"
#include "dvbdev.h"
* FESTATE_LOSTLOCK. When the lock has been lost, and we're searching it again.
*/
-static DECLARE_MUTEX(frontend_mutex);
+static DEFINE_MUTEX(frontend_mutex);
struct dvb_frontend_private {
dprintk ("%s\n", __FUNCTION__);
- if (down_interruptible (&frontend_mutex))
+ if (mutex_lock_interruptible(&frontend_mutex))
return -ERESTARTSYS;
fe->frontend_priv = kzalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL);
if (fe->frontend_priv == NULL) {
- up(&frontend_mutex);
+ mutex_unlock(&frontend_mutex);
return -ENOMEM;
}
fepriv = fe->frontend_priv;
dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template,
fe, DVB_DEVICE_FRONTEND);
- up (&frontend_mutex);
+ mutex_unlock(&frontend_mutex);
return 0;
}
EXPORT_SYMBOL(dvb_register_frontend);
struct dvb_frontend_private *fepriv = fe->frontend_priv;
dprintk ("%s\n", __FUNCTION__);
- down (&frontend_mutex);
+ mutex_lock(&frontend_mutex);
dvb_unregister_device (fepriv->dvbdev);
dvb_frontend_stop (fe);
if (fe->ops->release)
printk("dvb_frontend: Demodulator (%s) does not have a release callback!\n", fe->ops->info.name);
/* fe is invalid now */
kfree(fepriv);
- up (&frontend_mutex);
+ mutex_unlock(&frontend_mutex);
return 0;
}
EXPORT_SYMBOL(dvb_unregister_frontend);
#include <linux/uio.h>
#include <asm/uaccess.h>
#include <linux/crc32.h>
+#include <linux/mutex.h>
#include "dvb_demux.h"
#include "dvb_net.h"
unsigned char ule_bridged; /* Whether the ULE_BRIDGED extension header was found. */
int ule_sndu_remain; /* Nr. of bytes still required for current ULE SNDU. */
unsigned long ts_count; /* Current ts cell counter. */
-
- struct semaphore mutex;
+ struct mutex mutex;
};
unsigned char *mac = (unsigned char *) dev->dev_addr;
dprintk("%s: rx_mode %i\n", __FUNCTION__, priv->rx_mode);
- down(&priv->mutex);
+ mutex_lock(&priv->mutex);
if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
printk("%s: BUG %d\n", __FUNCTION__, __LINE__);
ret = -EINVAL;
error:
- up(&priv->mutex);
+ mutex_unlock(&priv->mutex);
return ret;
}
int i, ret = 0;
dprintk("%s\n", __FUNCTION__);
- down(&priv->mutex);
+ mutex_lock(&priv->mutex);
if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
if (priv->secfeed) {
if (priv->secfeed->is_filtering) {
printk("%s: no ts feed to stop\n", dev->name);
} else
ret = -EINVAL;
- up(&priv->mutex);
+ mutex_unlock(&priv->mutex);
return ret;
}
INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list, net);
INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed, net);
- init_MUTEX(&priv->mutex);
+ mutex_init(&priv->mutex);
net->base_addr = pid;
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
}
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
break;
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
break;
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
{
int ret = 0;
- sema_init(&d->usb_sem, 1);
- sema_init(&d->i2c_sem, 1);
+ mutex_init(&d->usb_mutex);
+ mutex_init(&d->i2c_mutex);
d->state = DVB_USB_STATE_INIT;
if (wbuf == NULL || wlen == 0)
return -EINVAL;
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
deb_xfer(">>> ");
}
}
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
EXPORT_SYMBOL(dvb_usb_generic_rw);
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "dvb_demux.h"
* @feedcount: number of reqested feeds (used for streaming-activation)
* @pid_filtering: is hardware pid_filtering used or not.
*
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
*
* @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
* @pll_addr: I2C address of the tuner for programming
int pid_filtering;
/* locking */
- struct semaphore usb_sem;
+ struct mutex usb_mutex;
/* i2c */
- struct semaphore i2c_sem;
+ struct mutex i2c_mutex;
struct i2c_adapter i2c_adap;
/* tuner programming information */
{
int ret;
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
unlock:
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
deb_xfer("out buffer: ");
debug_dump(outbuf,outlen+1,deb_xfer);
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
if (usb_control_msg(d->udev,
memcpy(in,&inbuf[1],inlen);
unlock:
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
#include <linux/jiffies.h>
#include <linux/string.h>
#include <linux/slab.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "bcm3510.h"
struct dvb_frontend frontend;
/* demodulator private data */
- struct semaphore hab_sem;
+ struct mutex hab_mutex;
u8 firmware_loaded:1;
unsigned long next_status_check;
dbufout(ob,olen+2,deb_hab);
deb_hab("\n");
- if (down_interruptible(&st->hab_sem) < 0)
+ if (mutex_lock_interruptible(&st->hab_mutex) < 0)
return -EAGAIN;
if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 ||
memcpy(ibuf,&ib[2],ilen);
error:
- up(&st->hab_sem);
+ mutex_unlock(&st->hab_mutex);
return ret;
}
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
- sema_init(&state->hab_sem, 1);
+ mutex_init(&state->hab_mutex);
if ((ret = bcm3510_readB(state,0xe0,&v)) < 0)
goto error;
#include <linux/i2c.h>
#include <asm/system.h>
-#include <asm/semaphore.h>
#include <linux/dvb/frontend.h>
if (!av7110->arm_ready)
continue;
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
break;
newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
if (newloops == av7110->arm_loops || av7110->arm_errors > 3) {
printk(KERN_ERR "dvb-ttpci: ARM crashed @ card %d\n",
recover_arm(av7110);
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
break;
newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2) - 1;
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
}
av7110->arm_loops = newloops;
av7110->arm_errors = 0;
int ret = 0;
dprintk(4, "%p\n", av7110);
- if (down_interruptible(&av7110->pid_mutex))
+ if (mutex_lock_interruptible(&av7110->pid_mutex))
return -ERESTARTSYS;
if (!(vpid & 0x8000))
ret = SetPIDs(av7110, vpid, apid, ttpid, subpid, pcrpid);
}
- up(&av7110->pid_mutex);
+ mutex_unlock(&av7110->pid_mutex);
return ret;
}
if (av7110->playing)
return 0;
- if (down_interruptible(&av7110->pid_mutex))
+ if (mutex_lock_interruptible(&av7110->pid_mutex))
return -ERESTARTSYS;
if (synced) {
if (!ret)
av7110->fe_synced = synced;
- up(&av7110->pid_mutex);
+ mutex_unlock(&av7110->pid_mutex);
return ret;
}
tasklet_init (&av7110->debi_tasklet, debiirq, (unsigned long) av7110);
tasklet_init (&av7110->gpio_tasklet, gpioirq, (unsigned long) av7110);
- sema_init(&av7110->pid_mutex, 1);
+ mutex_init(&av7110->pid_mutex);
/* locks for data transfers from/to AV7110 */
spin_lock_init(&av7110->debilock);
- sema_init(&av7110->dcomlock, 1);
+ mutex_init(&av7110->dcomlock);
av7110->debitype = -1;
/* default OSD window */
av7110->osdwin = 1;
- sema_init(&av7110->osd_sema, 1);
+ mutex_init(&av7110->osd_mutex);
/* ARM "watchdog" */
init_waitqueue_head(&av7110->arm_wait);
#include <linux/dvb/ca.h>
#include <linux/dvb/osd.h>
#include <linux/dvb/net.h>
+#include <linux/mutex.h>
#include "dvbdev.h"
#include "demux.h"
/* DEBI and polled command interface */
spinlock_t debilock;
- struct semaphore dcomlock;
+ struct mutex dcomlock;
volatile int debitype;
volatile int debilen;
int osdwin; /* currently active window */
u16 osdbpp[8];
- struct semaphore osd_sema;
+ struct mutex osd_mutex;
/* CA */
struct tasklet_struct vpe_tasklet;
int fe_synced;
- struct semaphore pid_mutex;
+ struct mutex pid_mutex;
int video_blank;
struct video_status videostate;
start = jiffies;
for (;;) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
if ((stat & flags) == 0)
break;
if (err) {
dprintk(1, "arm not ready.\n");
return -1;
}
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
ret = __av7110_send_fw_cmd(av7110, buf, length);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
if (ret && ret!=-ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
__FUNCTION__, ret);
return -1;
}
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
return err;
}
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
#ifdef _NOHANDSHAKE
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
if (stat & GPMQOver) {
printk(KERN_ERR "%s: GPMQOver\n", __FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -1;
}
else if (stat & OSDQOver) {
printk(KERN_ERR "%s: OSDQOver\n", __FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -1;
}
#endif
for (i = 0; i < reply_buf_len; i++)
reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return 0;
}
unsigned long start;
int err;
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
start = jiffies;
while (1) {
if (err) {
printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
__FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
}
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return 0;
}
int length = strlen(buf) + 1;
u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
- if (down_interruptible(&av7110->dcomlock))
+ if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
start = jiffies;
if (ret) {
printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
__FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
if (ret) {
printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
__FUNCTION__);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
if (length & 1)
wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
- up(&av7110->dcomlock);
+ mutex_unlock(&av7110->dcomlock);
if (ret && ret!=-ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
return ret;
{
int ret;
- if (down_interruptible(&av7110->osd_sema))
+ if (mutex_lock_interruptible(&av7110->osd_mutex))
return -ERESTARTSYS;
switch (dc->cmd) {
break;
}
- up(&av7110->osd_sema);
+ mutex_unlock(&av7110->osd_mutex);
if (ret==-ERESTARTSYS)
dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
else if (ret)
#include "dvb_net.h"
#include <linux/module.h>
+#include <linux/mutex.h>
+
#include <media/saa7146.h>
extern int budget_debug;
struct dmx_frontend mem_frontend;
int fe_synced;
- struct semaphore pid_mutex;
+ struct mutex pid_mutex;
int ci_present;
int video_port;
#include <linux/time.h>
#include <linux/errno.h>
#include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "dmxdev.h"
#include <linux/dvb/dmx.h>
#include <linux/pci.h>
-
/*
TTUSB_HWSECTIONS:
the DSP supports filtering in hardware, however, since the "muxstream"
struct dvb_net dvbnet;
/* and one for USB access. */
- struct semaphore semi2c;
- struct semaphore semusb;
+ struct mutex semi2c;
+ struct mutex semusb;
struct dvb_adapter adapter;
struct usb_device *dev;
printk("\n");
#endif
- if (down_interruptible(&ttusb->semusb) < 0)
+ if (mutex_lock_interruptible(&ttusb->semusb) < 0)
return -EAGAIN;
err = usb_bulk_msg(ttusb->dev, ttusb->bulk_out_pipe,
if (err != 0) {
dprintk("%s: usb_bulk_msg(send) failed, err == %i!\n",
__FUNCTION__, err);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return err;
}
if (actual_len != len) {
dprintk("%s: only wrote %d of %d bytes\n", __FUNCTION__,
actual_len, len);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return -1;
}
if (err != 0) {
printk("%s: failed, receive error %d\n", __FUNCTION__,
err);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return err;
}
#if DEBUG >= 3
printk("\n");
#endif
if (!needresult)
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return 0;
}
static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
{
memcpy(data, ttusb->last_result, len);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return 0;
}
int i = 0;
int inc;
- if (down_interruptible(&ttusb->semi2c) < 0)
+ if (mutex_lock_interruptible(&ttusb->semi2c) < 0)
return -EAGAIN;
while (i < num) {
i += inc;
}
- up(&ttusb->semi2c);
+ mutex_unlock(&ttusb->semi2c);
return i;
}
ttusb->dev = udev;
ttusb->c = 0;
ttusb->mux_state = 0;
- sema_init(&ttusb->semi2c, 0);
- sema_init(&ttusb->semusb, 1);
+ mutex_init(&ttusb->semi2c);
+
+ mutex_lock(&ttusb->semi2c);
+
+ mutex_init(&ttusb->semusb);
ttusb_setup_interfaces(ttusb);
if (ttusb_init_controller(ttusb))
printk("ttusb_init_controller: error\n");
- up(&ttusb->semi2c);
+ mutex_unlock(&ttusb->semi2c);
dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
ttusb->adapter.priv = ttusb;
*
*/
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <linux/list.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
unsigned int out_pipe;
unsigned int irq_pipe;
enum ttusb_dec_interface interface;
- struct semaphore usb_sem;
+ struct mutex usb_mutex;
void *irq_buffer;
struct urb *irq_urb;
dma_addr_t iso_dma_handle;
struct urb *iso_urb[ISO_BUF_COUNT];
int iso_stream_count;
- struct semaphore iso_sem;
+ struct mutex iso_mutex;
u8 packet[MAX_PVA_LENGTH + 4];
enum ttusb_dec_packet_type packet_type;
if (!b)
return -ENOMEM;
- if ((result = down_interruptible(&dec->usb_sem))) {
+ if ((result = mutex_lock_interruptible(&dec->usb_mutex))) {
kfree(b);
- printk("%s: Failed to down usb semaphore.\n", __FUNCTION__);
+ printk("%s: Failed to lock usb mutex.\n", __FUNCTION__);
return result;
}
if (result) {
printk("%s: command bulk message failed: error %d\n",
__FUNCTION__, result);
- up(&dec->usb_sem);
+ mutex_unlock(&dec->usb_mutex);
kfree(b);
return result;
}
if (result) {
printk("%s: result bulk message failed: error %d\n",
__FUNCTION__, result);
- up(&dec->usb_sem);
+ mutex_unlock(&dec->usb_mutex);
kfree(b);
return result;
} else {
if (cmd_result && b[3] > 0)
memcpy(cmd_result, &b[4], b[3]);
- up(&dec->usb_sem);
+ mutex_unlock(&dec->usb_mutex);
kfree(b);
return 0;
dprintk("%s\n", __FUNCTION__);
- if (down_interruptible(&dec->iso_sem))
+ if (mutex_lock_interruptible(&dec->iso_mutex))
return;
dec->iso_stream_count--;
usb_kill_urb(dec->iso_urb[i]);
}
- up(&dec->iso_sem);
+ mutex_unlock(&dec->iso_mutex);
}
/* Setting the interface of the DEC tends to take down the USB communications
dprintk("%s\n", __FUNCTION__);
- if (down_interruptible(&dec->iso_sem))
+ if (mutex_lock_interruptible(&dec->iso_mutex))
return -EAGAIN;
if (!dec->iso_stream_count) {
i--;
}
- up(&dec->iso_sem);
+ mutex_unlock(&dec->iso_mutex);
return result;
}
}
dec->iso_stream_count++;
- up(&dec->iso_sem);
+ mutex_unlock(&dec->iso_mutex);
return 0;
}
{
dprintk("%s\n", __FUNCTION__);
- sema_init(&dec->usb_sem, 1);
- sema_init(&dec->iso_sem, 1);
+ mutex_init(&dec->usb_mutex);
+ mutex_init(&dec->iso_mutex);
dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE);
dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);
#include <linux/string.h>
#include <linux/init.h>
#include <linux/slab.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <asm/io.h>
#include "../../../sound/oss/aci.h"
#include "miropcm20-rds-core.h"
#define DEBUG 0
-static struct semaphore aci_rds_sem;
+static struct mutex aci_rds_mutex;
#define RDS_DATASHIFT 2 /* Bit 2 */
#define RDS_DATAMASK (1 << RDS_DATASHIFT)
{
int ret;
- if (down_interruptible(&aci_rds_sem))
+ if (mutex_lock_interruptible(&aci_rds_mutex))
return -EINTR;
rds_write(cmd);
else
ret = 0;
- up(&aci_rds_sem);
+ mutex_unlock(&aci_rds_mutex);
return ret;
}
int __init attach_aci_rds(void)
{
- init_MUTEX(&aci_rds_sem);
+ mutex_init(&aci_rds_mutex);
return 0;
}
static int io = CONFIG_RADIO_RTRACK_PORT;
static int radio_nr = -1;
-static struct semaphore lock;
+static struct mutex lock;
struct rt_device
{
static void rt_mute(struct rt_device *dev)
{
dev->muted = 1;
- down(&lock);
+ mutex_lock(&lock);
outb(0xd0, io); /* volume steady, off */
- up(&lock);
+ mutex_unlock(&lock);
}
static int rt_setvol(struct rt_device *dev, int vol)
{
int i;
- down(&lock);
+ mutex_lock(&lock);
if(vol == dev->curvol) { /* requested volume = current */
if (dev->muted) { /* user is unmuting the card */
dev->muted = 0;
outb (0xd8, io); /* enable card */
}
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
sleep_delay(2000000); /* make sure it's totally down */
outb(0xd0, io); /* volume steady, off */
dev->curvol = 0; /* track the volume state! */
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
rt_decvol();
dev->curvol = vol;
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
- down(&lock); /* Stop other ops interfering */
+ mutex_lock(&lock); /* Stop other ops interfering */
send_0_byte (io, dev); /* 0: LSB of frequency */
else
outb (0xd8, io); /* volume steady + sigstr + on */
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
/* Set up the I/O locking */
- init_MUTEX(&lock);
+ mutex_init(&lock);
/* mute card - prevents noisy bootups */
static int io = CONFIG_RADIO_AZTECH_PORT;
static int radio_nr = -1;
static int radio_wait_time = 1000;
-static struct semaphore lock;
+static struct mutex lock;
struct az_device
{
static int az_setvol(struct az_device *dev, int vol)
{
- down(&lock);
+ mutex_lock(&lock);
outb (volconvert(vol), io);
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
frequency += 171200; /* Add 10.7 MHz IF */
frequency /= 800; /* Convert to 50 kHz units */
- down(&lock);
+ mutex_lock(&lock);
send_0_byte (dev); /* 0: LSB of frequency */
udelay (radio_wait_time);
outb_p(128+64+volconvert(dev->curvol), io);
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
return -EBUSY;
}
- init_MUTEX(&lock);
+ mutex_init(&lock);
aztech_radio.priv=&aztech_unit;
if(video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr)==-1)
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/videodev.h>
+
#define DRIVER_VERSION "0.05"
#define GPIO_DATA 0x60 /* port offset from ESS_IO_BASE */
muted, /* VIDEO_AUDIO_MUTE */
stereo, /* VIDEO_TUNER_STEREO_ON */
tuned; /* signal strength (0 or 0xffff) */
- struct semaphore lock;
+ struct mutex lock;
};
static u32 radio_bits_get(struct radio_device *dev)
struct radio_device *card = video_get_drvdata(dev);
int ret;
- down(&card->lock);
+ mutex_lock(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function);
- up(&card->lock);
+ mutex_unlock(&card->lock);
return ret;
}
}
radio_unit->io = pci_resource_start(pdev, 0) + GPIO_DATA;
- init_MUTEX(&radio_unit->lock);
+ mutex_init(&radio_unit->lock);
maestro_radio_inst = video_device_alloc();
if (maestro_radio_inst == NULL) {
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <linux/pci.h>
#include <linux/videodev.h>
unsigned long freq;
- struct semaphore lock;
+ struct mutex lock;
} radio_unit = {0, 0, 0, 0, };
struct radio_device *card=dev->priv;
int ret;
- down(&card->lock);
+ mutex_lock(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function);
- up(&card->lock);
+ mutex_unlock(&card->lock);
return ret;
}
goto err_out_free_region;
radio_unit.io = pci_resource_start(pdev, 0);
- init_MUTEX(&radio_unit.lock);
+ mutex_init(&radio_unit.lock);
maxiradio_radio.priv = &radio_unit;
if(video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr)==-1) {
#include <linux/isapnp.h>
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
struct fmi_device
{
static int io = -1;
static int radio_nr = -1;
static struct pnp_dev *dev = NULL;
-static struct semaphore lock;
+static struct mutex lock;
/* freq is in 1/16 kHz to internal number, hw precision is 50 kHz */
/* It is only useful to give freq in intervall of 800 (=0.05Mhz),
static inline void fmi_mute(int port)
{
- down(&lock);
+ mutex_lock(&lock);
outb(0x00, port);
- up(&lock);
+ mutex_unlock(&lock);
}
static inline void fmi_unmute(int port)
{
- down(&lock);
+ mutex_lock(&lock);
outb(0x08, port);
- up(&lock);
+ mutex_unlock(&lock);
}
static inline int fmi_setfreq(struct fmi_device *dev)
int myport = dev->port;
unsigned long freq = dev->curfreq;
- down(&lock);
+ mutex_lock(&lock);
outbits(16, RSF16_ENCODE(freq), myport);
outbits(8, 0xC0, myport);
msleep(143); /* was schedule_timeout(HZ/7) */
- up(&lock);
+ mutex_unlock(&lock);
if (dev->curvol) fmi_unmute(myport);
return 0;
}
int myport = dev->port;
- down(&lock);
+ mutex_lock(&lock);
val = dev->curvol ? 0x08 : 0x00; /* unmute/mute */
outb(val, myport);
outb(val | 0x10, myport);
res = (int)inb(myport+1);
outb(val, myport);
- up(&lock);
+ mutex_unlock(&lock);
return (res & 2) ? 0 : 0xFFFF;
}
fmi_unit.flags = VIDEO_TUNER_LOW;
fmi_radio.priv = &fmi_unit;
- init_MUTEX(&lock);
+ mutex_init(&lock);
if (video_register_device(&fmi_radio, VFL_TYPE_RADIO, radio_nr) == -1) {
release_region(io, 2);
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev.h> /* kernel radio structs */
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
-static struct semaphore lock;
+static struct mutex lock;
#undef DEBUG
//#define DEBUG 1
if (fmr2->mute)
v->flags |= VIDEO_AUDIO_MUTE;
v->mode=VIDEO_MODE_AUTO;
- down(&lock);
+ mutex_lock(&lock);
v->signal = fmr2_getsigstr(fmr2);
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
case VIDIOCSTUNER:
/* set card freq (if not muted) */
if (fmr2->curvol && !fmr2->mute)
{
- down(&lock);
+ mutex_lock(&lock);
fmr2_setfreq(fmr2);
- up(&lock);
+ mutex_unlock(&lock);
}
return 0;
}
else
printk(KERN_DEBUG "mute\n");
#endif
- down(&lock);
+ mutex_lock(&lock);
if (fmr2->curvol && !fmr2->mute)
{
fmr2_setvolume(fmr2);
fmr2_setfreq(fmr2);
}
else fmr2_mute(fmr2->port);
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
case VIDIOCGUNIT:
fmr2_unit.card_type = 0;
fmr2_radio.priv = &fmr2_unit;
- init_MUTEX(&lock);
+ mutex_init(&lock);
if (request_region(io, 2, "sf16fmr2"))
{
printk(KERN_INFO "SF16FMR2 radio card driver at 0x%x.\n", io);
debug_print((KERN_DEBUG "Mute %d Low %d\n",VIDEO_AUDIO_MUTE,VIDEO_TUNER_LOW));
/* mute card - prevents noisy bootups */
- down(&lock);
+ mutex_lock(&lock);
fmr2_mute(io);
fmr2_product_info(&fmr2_unit);
- up(&lock);
+ mutex_unlock(&lock);
debug_print((KERN_DEBUG "card_type %d\n", fmr2_unit.card_type));
return 0;
}
int muted;
unsigned long curfreq;
unsigned long mutefreq;
- struct semaphore lock;
+ struct mutex lock;
};
static void typhoon_setvol_generic(struct typhoon_device *dev, int vol);
static void typhoon_setvol_generic(struct typhoon_device *dev, int vol)
{
- down(&dev->lock);
+ mutex_lock(&dev->lock);
vol >>= 14; /* Map 16 bit to 2 bit */
vol &= 3;
outb_p(vol / 2, dev->iobase); /* Set the volume, high bit. */
outb_p(vol % 2, dev->iobase + 2); /* Set the volume, low bit. */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
static int typhoon_setfreq_generic(struct typhoon_device *dev,
*
*/
- down(&dev->lock);
+ mutex_lock(&dev->lock);
x = frequency / 160;
outval = (x * x + 2500) / 5000;
outval = (outval * x + 5000) / 10000;
outb_p((outval >> 8) & 0x01, dev->iobase + 4);
outb_p(outval >> 9, dev->iobase + 6);
outb_p(outval & 0xff, dev->iobase + 8);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
#endif /* MODULE */
printk(KERN_INFO BANNER);
- init_MUTEX(&typhoon_unit.lock);
+ mutex_init(&typhoon_unit.lock);
io = typhoon_unit.iobase;
if (!request_region(io, 8, "typhoon")) {
printk(KERN_ERR "radio-typhoon: port 0x%x already in use\n",
unsigned long curfreq;
int muted;
unsigned int stereo;
- struct semaphore lock;
+ struct mutex lock;
};
static int zol_setvol(struct zol_device *dev, int vol)
if (dev->muted)
return 0;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (vol == 0) {
outb(0, io);
outb(0, io);
inb(io + 3); /* Zoltrix needs to be read to confirm */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
outb(dev->curvol-1, io);
msleep(10);
inb(io + 2);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
static void zol_mute(struct zol_device *dev)
{
dev->muted = 1;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
outb(0, io);
outb(0, io);
inb(io + 3); /* Zoltrix needs to be read to confirm */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
static void zol_unmute(struct zol_device *dev)
bitmask = 0xc480402c10080000ull;
i = 45;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
outb(0, io);
outb(0, io);
udelay(1000);
}
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if(!dev->muted)
{
{
int a, b;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
outb(0x00, io); /* This stuff I found to do nothing */
outb(dev->curvol, io);
msleep(20);
msleep(10);
b = inb(io);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if (a != b)
return (0);
{
int x1, x2;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
outb(0x00, io);
outb(dev->curvol, io);
msleep(10);
x2 = inb(io);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if ((x1 == x2) && (x1 == 0xcf))
return 1;
}
printk(KERN_INFO "Zoltrix Radio Plus card driver.\n");
- init_MUTEX(&zoltrix_unit.lock);
+ mutex_init(&zoltrix_unit.lock);
/* mute card - prevents noisy bootups */
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/videodev.h>
+#include <linux/mutex.h>
-#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <asm/m32r.h>
#include <asm/io.h>
int width, height;
int frame_bytes, line_bytes;
wait_queue_head_t wait;
- struct semaphore lock;
+ struct mutex lock;
};
static int video_nr = -1; /* video device number (first free) */
if (ar->mode == AR_MODE_NORMAL)
arvcr1 |= ARVCR1_NORMAL;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
#if USE_INT
local_irq_save(flags);
}
DEBUG(1, "ret = %d\n", ret);
out_up:
- up(&ar->lock);
+ mutex_unlock(&ar->lock);
return ret;
}
(w->width != AR_WIDTH_QVGA || w->height != AR_HEIGHT_QVGA))
return -EINVAL;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
ar->width = w->width;
ar->height = w->height;
if (ar->width == AR_WIDTH_VGA) {
ar->line_bytes = AR_LINE_BYTES_QVGA;
ar->mode = AR_MODE_INTERLACE;
}
- up(&ar->lock);
+ mutex_unlock(&ar->lock);
return 0;
}
case VIDIOCGFBUF:
void ar_release(struct video_device *vfd)
{
struct ar_device *ar = vfd->priv;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
video_device_release(vfd);
}
ar->line_bytes = AR_LINE_BYTES_QVGA;
ar->mode = AR_MODE_INTERLACE;
}
- init_MUTEX(&ar->lock);
+ mutex_init(&ar->lock);
init_waitqueue_head(&ar->wait);
#if USE_INT
BUG();
}
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
kfree(fh->ov.clips);
fh->ov.clips = clips;
fh->ov.nclips = n;
bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
retval = bttv_switch_overlay(btv,fh,new);
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
/* update our state informations */
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
fh->fmt = fmt;
fh->cap.field = f->fmt.pix.field;
fh->cap.last = V4L2_FIELD_NONE;
btv->init.fmt = fmt;
btv->init.width = f->fmt.pix.width;
btv->init.height = f->fmt.pix.height;
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return 0;
}
fmt = format_by_palette(pic->palette);
if (NULL == fmt)
return -EINVAL;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
if (fmt->depth != pic->depth) {
retval = -EINVAL;
goto fh_unlock_and_return;
bt848_contrast(btv,pic->contrast);
bt848_hue(btv,pic->hue);
bt848_sat(btv,pic->colour);
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return 0;
}
return -EPERM;
end = (unsigned long)fbuf->base +
fbuf->height * fbuf->bytesperline;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
retval = -EINVAL;
switch (fbuf->depth) {
btv->fbuf.fmt.bytesperline = fbuf->bytesperline;
else
btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8;
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return 0;
}
if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY))
return -EBUSY;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
if (*on) {
fh->ov.tvnorm = btv->tvnorm;
new = videobuf_alloc(sizeof(*new));
/* switch over */
retval = bttv_switch_overlay(btv,fh,new);
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
struct video_mbuf *mbuf = arg;
unsigned int i;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize,
V4L2_MEMORY_MMAP);
if (retval < 0)
mbuf->size = gbuffers * gbufsize;
for (i = 0; i < gbuffers; i++)
mbuf->offsets[i] = i * gbufsize;
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return 0;
}
case VIDIOCMCAPTURE:
if (vm->frame >= VIDEO_MAX_FRAME)
return -EINVAL;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
retval = -EINVAL;
buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame];
if (NULL == buf)
spin_lock_irqsave(&btv->s_lock,flags);
buffer_queue(&fh->cap,&buf->vb);
spin_unlock_irqrestore(&btv->s_lock,flags);
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return 0;
}
case VIDIOCSYNC:
if (*frame >= VIDEO_MAX_FRAME)
return -EINVAL;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
retval = -EINVAL;
buf = (struct bttv_buffer *)fh->cap.bufs[*frame];
if (NULL == buf)
retval = -EINVAL;
break;
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
return -EINVAL;
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
retval = -EINVAL;
if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth)
retval = bttv_switch_overlay(btv,fh,new);
}
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
return 0;
fh_unlock_and_return:
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
} else {
/* read() capture */
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
if (NULL == fh->cap.read_buf) {
/* need to capture a new frame */
if (locked_btres(fh->btv,RESOURCE_VIDEO)) {
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return POLLERR;
}
fh->cap.read_buf = videobuf_alloc(fh->cap.msize);
if (NULL == fh->cap.read_buf) {
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return POLLERR;
}
fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
kfree (fh->cap.read_buf);
fh->cap.read_buf = NULL;
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return POLLERR;
}
fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
fh->cap.read_off = 0;
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
buf = (struct bttv_buffer*)fh->cap.read_buf;
}
#include <linux/parport.h>
#include <linux/sched.h>
#include <linux/videodev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include "bw-qcam.h"
memcpy(&q->vdev, &qcam_template, sizeof(qcam_template));
- init_MUTEX(&q->lock);
+ mutex_init(&q->lock);
q->port_mode = (QC_ANY | QC_NOTSET);
q->width = 320;
qcam->whitebal = p->whiteness>>8;
qcam->bpp = p->depth;
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
qc_setscanmode(qcam);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
qcam->status |= QC_PARAM_CHANGE;
return 0;
qcam->height = 240;
qcam->transfer_scale = 1;
}
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
qc_setscanmode(qcam);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
/* We must update the camera before we grab. We could
just have changed the grab size */
int len;
parport_claim_or_block(qcam->pdev);
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
qc_reset(qcam);
len=qc_capture(qcam, buf,count);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
parport_release(qcam->pdev);
return len;
struct video_device vdev;
struct pardevice *pdev;
struct parport *pport;
- struct semaphore lock;
+ struct mutex lock;
int width, height;
int bpp;
int mode;
#include <linux/parport.h>
#include <linux/sched.h>
#include <linux/videodev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <asm/uaccess.h>
struct qcam_device {
int contrast, brightness, whitebal;
int top, left;
unsigned int bidirectional;
- struct semaphore lock;
+ struct mutex lock;
};
/* cameras maximum */
qcam->contrast = p->contrast>>8;
qcam->whitebal = p->whiteness>>8;
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
qc_setup(qcam);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return 0;
}
case VIDIOCSWIN:
#endif
/* Ok we figured out what to use from our
wide choice */
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
qc_setup(qcam);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return 0;
}
case VIDIOCGWIN:
struct qcam_device *qcam=(struct qcam_device *)v;
int len;
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
/* Probably should have a semaphore against multiple users */
len = qc_capture(qcam, buf,count);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return len;
}
memcpy(&q->vdev, &qcam_template, sizeof(qcam_template));
- init_MUTEX(&q->lock);
+ mutex_init(&q->lock);
q->width = q->ccd_width = 320;
q->height = q->ccd_height = 240;
q->mode = QC_MILLIONS | QC_DECIMATION_1;
#include <linux/pagemap.h>
#include <linux/delay.h>
#include <asm/io.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#ifdef CONFIG_KMOD
#include <linux/kmod.h>
buffer = page;
- if (down_interruptible(&cam->param_lock))
+ if (mutex_lock_interruptible(&cam->param_lock))
return -ERESTARTSYS;
/*
} else
DBG("error: %d\n", retval);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
out:
free_page((unsigned long)page);
case CPIA_COMMAND_GetColourParams:
case CPIA_COMMAND_GetColourBalance:
case CPIA_COMMAND_GetExposure:
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
datasize=8;
break;
case CPIA_COMMAND_ReadMCPorts:
if (command == CPIA_COMMAND_GetColourParams ||
command == CPIA_COMMAND_GetColourBalance ||
command == CPIA_COMMAND_GetExposure)
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
} else {
switch(command) {
case CPIA_COMMAND_GetCPIAVersion:
cam->params.colourParams.brightness = data[0];
cam->params.colourParams.contrast = data[1];
cam->params.colourParams.saturation = data[2];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
case CPIA_COMMAND_GetColourBalance:
cam->params.colourBalance.redGain = data[0];
cam->params.colourBalance.greenGain = data[1];
cam->params.colourBalance.blueGain = data[2];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
case CPIA_COMMAND_GetExposure:
cam->params.exposure.gain = data[0];
cam->params.exposure.green1Comp = data[5];
cam->params.exposure.green2Comp = data[6];
cam->params.exposure.blueComp = data[7];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
case CPIA_COMMAND_ReadMCPorts:
int rows, cols, linesize, subsample_422;
/* make sure params don't change while we are decoding */
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
obuf = cam->decompressed_frame.data;
end_obuf = obuf+CPIA_MAX_FRAME_SIZE;
if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) {
LOG("header not found\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) {
LOG("wrong video size\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) {
LOG("illegal subtype %d\n",ibuf[17]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
subsample_422 = ibuf[17] == SUBSAMPLE_422;
if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) {
LOG("illegal yuvorder %d\n",ibuf[18]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
in_uyvy = ibuf[18] == YUVORDER_UYVY;
(ibuf[26] != cam->params.roi.rowStart) ||
(ibuf[27] != cam->params.roi.rowEnd)) {
LOG("ROI mismatch\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
cols = 8*(ibuf[25] - ibuf[24]);
if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) {
LOG("illegal compression %d\n",ibuf[28]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
compressed = (ibuf[28] == COMPRESSED);
if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) {
LOG("illegal decimation %d\n",ibuf[29]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
decimation = (ibuf[29] == DECIMATION_ENAB);
cam->params.status.vpStatus = ibuf[38];
cam->params.status.errorCode = ibuf[39];
cam->fps = ibuf[41];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
linesize = skipcount(cols, out_fmt);
ibuf += FRAME_HEADER_SIZE;
/* update various camera modes and settings */
static void dispatch_commands(struct cam_data *cam)
{
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if (cam->cmd_queue==COMMAND_NONE) {
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
DEB_BYTE(cam->cmd_queue);
}
cam->cmd_queue = COMMAND_NONE;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
gain = data[2];
coarseL = data[3];
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
light_exp = cam->params.colourParams.brightness +
TC - 50 + EXP_ACC_LIGHT;
if(light_exp > 255)
LOG("Automatically increasing sensor_fps\n");
}
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
/*-----------------------------------------------------------------*/
int cam_exposure, old_exp;
if(!FIRMWARE_VERSION(1,2))
return;
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if(cam->params.flickerControl.flickerMode == 0 ||
cam->raw_image[39] == 0) {
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
cam_exposure = cam->raw_image[39]*2;
cam->exposure_status = EXPOSURE_NORMAL;
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
#undef FIRMWARE_VERSION
if (!try_module_get(cam->ops->owner))
return -ENODEV;
- down(&cam->busy_lock);
+ mutex_lock(&cam->busy_lock);
err = -ENOMEM;
if (!cam->raw_image) {
cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE);
++cam->open_count;
file->private_data = dev;
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
oops:
rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE);
cam->raw_image = NULL;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
put_cam(cam->ops);
return err;
}
int err;
/* make this _really_ smp and multithread-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
if (!buf) {
DBG("buf NULL\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EINVAL;
}
if (!count) {
DBG("count 0\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
}
if (!cam->ops) {
DBG("ops NULL\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -ENODEV;
}
cam->mmap_kludge=0;
if((err = fetch_frame(cam)) != 0) {
DBG("ERROR from fetch_frame: %d\n", err);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return err;
}
cam->decompressed_frame.state = FRAME_UNUSED;
if (cam->decompressed_frame.count > count) {
DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count,
(unsigned long) count);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EFAULT;
}
if (copy_to_user(buf, cam->decompressed_frame.data,
cam->decompressed_frame.count)) {
DBG("copy_to_user failed\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EFAULT;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return cam->decompressed_frame.count;
}
return -ENODEV;
/* make this _really_ smp-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
//DBG("cpia_ioctl: %u\n", ioctlnr);
break;
}
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
/* brightness, colour, contrast need no check 0-65535 */
cam->vp = *vp;
/* update cam->params.colourParams */
/* queue command to update camera */
cam->cmd_queue |= COMMAND_SETCOLOURPARAMS;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n",
vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour,
vp->contrast);
/* we set the video window to something smaller or equal to what
* is requested by the user???
*/
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if (vw->width != cam->vw.width || vw->height != cam->vw.height) {
int video_size = match_videosize(vw->width, vw->height);
if (video_size < 0) {
retval = -EINVAL;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
}
cam->video_size = video_size;
cam->cmd_queue |= COMMAND_SETFORMAT;
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
/* setformat ignored by camera during streaming,
* so stop/dispatch/start */
DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height);
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
cam->vc.x = vc->x;
cam->vc.y = vc->y;
set_vw_size(cam);
cam->cmd_queue |= COMMAND_SETFORMAT;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
/* setformat ignored by camera during streaming,
* so stop/dispatch/start */
break;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return retval;
}
return -ENODEV;
/* make this _really_ smp-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
if (!cam->frame_buf) { /* we do lazy allocation */
if ((retval = allocate_frame_buf(cam))) {
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return retval;
}
}
while (size > 0) {
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EAGAIN;
}
start += PAGE_SIZE;
}
DBG("cpia_mmap: %ld\n", size);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
}
memset(cam, 0, sizeof(struct cam_data));
cam->ops = ops;
- init_MUTEX(&cam->param_lock);
- init_MUTEX(&cam->busy_lock);
+ mutex_init(&cam->param_lock);
+ mutex_init(&cam->busy_lock);
reset_camera_struct(cam);
#include <linux/videodev.h>
#include <linux/list.h>
#include <linux/smp_lock.h>
+#include <linux/mutex.h>
struct cpia_camera_ops
{
struct cam_data {
struct list_head cam_data_list;
- struct semaphore busy_lock; /* guard against SMP multithreading */
+ struct mutex busy_lock; /* guard against SMP multithreading */
struct cpia_camera_ops *ops; /* lowlevel driver operations */
void *lowlevel_data; /* private data for lowlevel driver */
u8 *raw_image; /* buffer for raw image data */
u8 mainsFreq; /* for flicker control */
/* proc interface */
- struct semaphore param_lock; /* params lock for this camera */
+ struct mutex param_lock; /* params lock for this camera */
struct cam_params params; /* camera settings */
struct proc_dir_entry *proc_entry; /* /proc/cpia/videoX */
core->pci_bus = pci->bus->number;
core->pci_slot = PCI_SLOT(pci->devfn);
core->pci_irqmask = 0x00fc00;
- init_MUTEX(&core->lock);
+ mutex_init(&core->lock);
core->nr = cx88_devcount++;
sprintf(core->name,"cx88[%d]",core->nr);
return 1;
/* is it free? */
- down(&core->lock);
+ mutex_lock(&core->lock);
if (dev->resources & bit) {
/* no, someone else uses it */
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
dev->resources |= bit;
dprintk(1,"res: get %d\n",bit);
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 1;
}
if ((fh->resources & bits) != bits)
BUG();
- down(&core->lock);
+ mutex_lock(&core->lock);
fh->resources &= ~bits;
dev->resources &= ~bits;
dprintk(1,"res: put %d\n",bits);
- up(&core->lock);
+ mutex_unlock(&core->lock);
}
/* ------------------------------------------------------------------ */
if (i == ARRAY_SIZE(tvnorms))
return -EINVAL;
- down(&core->lock);
+ mutex_lock(&core->lock);
cx88_set_tvnorm(core,&tvnorms[i]);
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 0;
}
if (*i >= 4)
return -EINVAL;
- down(&core->lock);
+ mutex_lock(&core->lock);
cx88_newstation(core);
video_mux(core,*i);
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 0;
}
return -EINVAL;
if (1 == radio && f->type != V4L2_TUNER_RADIO)
return -EINVAL;
- down(&core->lock);
+ mutex_lock(&core->lock);
core->freq = f->frequency;
cx88_newstation(core);
cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
msleep (10);
cx88_set_tvaudio(core);
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 0;
}
pci_set_drvdata(pci_dev,dev);
/* initial device configuration */
- down(&core->lock);
+ mutex_lock(&core->lock);
cx88_set_tvnorm(core,tvnorms);
init_controls(core);
video_mux(core,0);
- up(&core->lock);
+ mutex_unlock(&core->lock);
/* start tvaudio thread */
if (core->tuner_type != TUNER_ABSENT)
#include "cx88-reg.h"
#include <linux/version.h>
+#include <linux/mutex.h>
#define CX88_VERSION_CODE KERNEL_VERSION(0,0,5)
#ifndef TRUE
/* IR remote control state */
struct cx88_IR *ir;
- struct semaphore lock;
-
+ struct mutex lock;
/* various v4l controls */
u32 freq;
return -EBUSY;
}
- init_MUTEX(&dev->fileop_lock); /* to 1 == available */
+ mutex_init(&dev->fileop_lock); /* to 1 == available */
spin_lock_init(&dev->queue_lock);
init_waitqueue_head(&dev->wait_frame);
init_waitqueue_head(&dev->wait_stream);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
em28xx_set_alternate(dev);
dev->state |= DEV_INITIALIZED;
- err:
- up(&dev->lock);
+err:
+ mutex_unlock(&dev->lock);
up_read(&em28xx_disconnect);
return errCode;
}
em28xx_videodbg("users=%d\n", dev->users);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_uninit_isoc(dev);
/* the device is already disconnect, free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
em28xx_release_resources(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
kfree(dev);
return 0;
}
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
em28xx_videodbg("V4L2_BUF_TYPE_VBI_CAPTURE is set\n");
em28xx_videodbg("not supported yet! ...\n");
if (copy_to_user(buf, "", 1)) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EFAULT;
}
return (1);
em28xx_videodbg("V4L2_BUF_TYPE_SLICED_VBI_CAPTURE is set\n");
em28xx_videodbg("not supported yet! ...\n");
if (copy_to_user(buf, "", 1)) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EFAULT;
}
return (1);
}
- if (down_interruptible(&dev->fileop_lock))
+ if (mutex_lock_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em28xx_videodbg("device not present\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_videodbg("device misconfigured; close and open it again\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EIO;
}
if (dev->io == IO_MMAP) {
em28xx_videodbg ("IO method is set to mmap; close and open"
" the device again to choose the read method\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EINVAL;
}
if (dev->io == IO_NONE) {
if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) {
em28xx_errdev("read failed, not enough memory\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -ENOMEM;
}
dev->io = IO_READ;
}
if (!count) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return 0;
}
if (list_empty(&dev->outqueue)) {
if (filp->f_flags & O_NONBLOCK) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EAGAIN;
}
ret = wait_event_interruptible
(!list_empty(&dev->outqueue)) ||
(dev->state & DEV_DISCONNECTED));
if (ret) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return ret;
}
if (dev->state & DEV_DISCONNECTED) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -ENODEV;
}
}
count = f->buf.length;
if (copy_to_user(buf, f->bufmem, count)) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EFAULT;
}
*f_pos += count;
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return count;
}
unsigned int mask = 0;
struct em28xx *dev = filp->private_data;
- if (down_interruptible(&dev->fileop_lock))
+ if (mutex_lock_interruptible(&dev->fileop_lock))
return POLLERR;
if (dev->state & DEV_DISCONNECTED) {
if (!list_empty(&dev->outqueue))
mask |= POLLIN | POLLRDNORM;
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return mask;
}
}
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return POLLERR;
}
struct em28xx *dev = filp->private_data;
- if (down_interruptible(&dev->fileop_lock))
+ if (mutex_lock_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em28xx_videodbg("mmap: device not present\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_videodbg ("mmap: Device is misconfigured; close and "
"open it again\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EIO;
}
if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) ||
size != PAGE_ALIGN(dev->frame[0].buf.length)) {
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EINVAL;
}
}
if (i == dev->num_frames) {
em28xx_videodbg("mmap: user supplied mapping address is out of range\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EINVAL;
}
while (size > 0) { /* size is page-aligned */
if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
em28xx_videodbg("mmap: vm_insert_page failed\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EAGAIN;
}
start += PAGE_SIZE;
vma->vm_private_data = &dev->frame[i];
em28xx_vm_open(vma);
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return 0;
}
if (i == TVNORMS)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
dev->tvnorm = &tvnorms[i];
em28xx_set_norm(dev, dev->width, dev->height);
em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
&dev->tvnorm->id);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
if (0 == INPUT(*index)->type)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
video_mux(dev, *index);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* t->signal = 0xffff;*/
/* em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
/* No way to get signal strength? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
&status);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
t->signal =
(status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
/* t->signal = 0xffff; */
/* No way to get signal strength? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
&status);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
t->signal =
(status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
if (V4L2_TUNER_ANALOG_TV != f->type)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
dev->ctl_freq = f->frequency;
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
case VIDIOC_CROPCAP:
int ret = 0;
struct em28xx *dev = filp->private_data;
- if (down_interruptible(&dev->fileop_lock))
+ if (mutex_lock_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em28xx_errdev("v4l2 ioctl: device not present\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_errdev
("v4l2 ioctl: device is misconfigured; close and open it again\n");
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return -EIO;
}
ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl);
- up(&dev->fileop_lock);
+ mutex_unlock(&dev->fileop_lock);
return ret;
}
dev->udev = udev;
dev->model = model;
- init_MUTEX(&dev->lock);
+ mutex_init(&dev->lock);
init_waitqueue_head(&dev->open);
dev->em28xx_write_regs = em28xx_write_regs;
return -ENOMEM;
}
- down(&dev->lock);
+ mutex_lock(&dev->lock);
/* register i2c bus */
em28xx_i2c_register(dev);
/* configure the device */
em28xx_config_i2c(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
errCode = em28xx_config(dev);
list_add_tail(&dev->devlist,&em28xx_devlist);
/* register v4l2 device */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
video_nr[dev->devno]))) {
em28xx_errdev("unable to register video device (error=%i).\n",
retval);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
list_del(&dev->devlist);
video_device_release(dev->vdev);
kfree(dev);
if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
vbi_nr[dev->devno]) < 0) {
printk("unable to register vbi device\n");
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
list_del(&dev->devlist);
video_device_release(dev->vbi_dev);
video_device_release(dev->vdev);
}
video_mux(dev, 0);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN,
down_write(&em28xx_disconnect);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_info("disconnecting %s\n", dev->vdev->name);
em28xx_release_resources(dev);
}
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
if (!dev->users) {
kfree(dev->alt_max_pkt_size);
#include <linux/videodev.h>
#include <linux/i2c.h>
+#include <linux/mutex.h>
#include <media/ir-kbd-i2c.h>
/* Boards supported by driver */
enum em28xx_stream_state stream;
enum em28xx_io_method io;
/* locks */
- struct semaphore lock, fileop_lock;
+ struct mutex lock, fileop_lock;
spinlock_t queue_lock;
struct list_head inqueue, outqueue;
wait_queue_head_t open, wait_frame, wait_stream;
return -EINVAL;
if (p->palette != VIDEO_PALETTE_YUV422)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
sonypi_camera_command(SONYPI_COMMAND_SETCAMERABRIGHTNESS,
p->brightness >> 10);
sonypi_camera_command(SONYPI_COMMAND_SETCAMERAHUE,
sonypi_camera_command(SONYPI_COMMAND_SETCAMERACONTRAST,
p->contrast >> 10);
meye.picture = *p;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
if (*i < 0 || *i >= gbuffers)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
switch (meye.grab_buffer[*i].state) {
case MEYE_BUF_UNUSED:
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
case MEYE_BUF_USING:
if (file->f_flags & O_NONBLOCK) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EAGAIN;
}
if (wait_event_interruptible(meye.proc_list,
(meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINTR;
}
/* fall through */
meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
}
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
if (meye.grab_buffer[vm->frame].state != MEYE_BUF_UNUSED)
return -EBUSY;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (vm->width == 640 && vm->height == 480) {
if (meye.params.subsample) {
meye.params.subsample = 0;
restart = 1;
}
} else {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
mchip_continuous_start();
meye.grab_buffer[vm->frame].state = MEYE_BUF_USING;
kfifo_put(meye.grabq, (unsigned char *)&vm->frame, sizeof(int));
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
return -EINVAL;
if (jp->framerate > 31)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (meye.params.subsample != jp->subsample ||
meye.params.quality != jp->quality)
mchip_hic_stop(); /* need restart */
meye.params.agc);
sonypi_camera_command(SONYPI_COMMAND_SETCAMERAPICTURE,
meye.params.picture);
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
}
if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED)
return -EBUSY;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
mchip_cont_compression_start();
meye.grab_buffer[*nb].state = MEYE_BUF_USING;
kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int));
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
if (*i < 0 || *i >= gbuffers)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
switch (meye.grab_buffer[*i].state) {
case MEYE_BUF_UNUSED:
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
case MEYE_BUF_USING:
if (file->f_flags & O_NONBLOCK) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EAGAIN;
}
if (wait_event_interruptible(meye.proc_list,
(meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINTR;
}
/* fall through */
kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
}
*i = meye.grab_buffer[*i].size;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
return -EINVAL;
if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
return -EBUSY;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
meye.grab_buffer[0].state = MEYE_BUF_USING;
mchip_take_picture();
mchip_get_picture(
meye.grab_fbuffer,
mchip_hsize() * mchip_vsize() * 2);
meye.grab_buffer[0].state = MEYE_BUF_DONE;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
return -EINVAL;
if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
return -EBUSY;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
meye.grab_buffer[0].state = MEYE_BUF_USING;
*len = -1;
while (*len == -1) {
*len = mchip_compress_frame(meye.grab_fbuffer, gbufsize);
}
meye.grab_buffer[0].state = MEYE_BUF_DONE;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
case VIDIOC_S_CTRL: {
struct v4l2_control *c = arg;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
sonypi_camera_command(
meye.params.framerate = c->value;
break;
default:
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
case VIDIOC_G_CTRL: {
struct v4l2_control *c = arg;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
c->value = meye.picture.brightness >> 10;
c->value = meye.params.framerate;
break;
default:
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
f->fmt.pix.field != V4L2_FIELD_NONE)
return -EINVAL;
f->fmt.pix.field = V4L2_FIELD_NONE;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (f->fmt.pix.width <= 320) {
f->fmt.pix.width = 320;
f->fmt.pix.height = 240;
meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
break;
}
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height *
f->fmt.pix.bytesperline;
/* already allocated, no modifications */
break;
}
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (meye.grab_fbuffer) {
for (i = 0; i < gbuffers; i++)
if (meye.vma_use_count[i]) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
rvfree(meye.grab_fbuffer, gbuffers * gbufsize);
if (!meye.grab_fbuffer) {
printk(KERN_ERR "meye: v4l framebuffer allocation"
" failed\n");
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -ENOMEM;
}
for (i = 0; i < gbuffers; i++)
meye.vma_use_count[i] = 0;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
return -EINVAL;
if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
buf->flags |= V4L2_BUF_FLAG_QUEUED;
buf->flags &= ~V4L2_BUF_FLAG_DONE;
meye.grab_buffer[buf->index].state = MEYE_BUF_USING;
kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int));
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
if (buf->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EAGAIN;
}
if (wait_event_interruptible(meye.proc_list,
kfifo_len(meye.doneq) != 0) < 0) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINTR;
}
if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr,
sizeof(int))) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EBUSY;
}
if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
buf->index = reqnr;
buf->m.offset = reqnr * gbufsize;
buf->length = gbufsize;
meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
case VIDIOC_STREAMON: {
- down(&meye.lock);
+ mutex_lock(&meye.lock);
switch (meye.mchip_mode) {
case MCHIP_HIC_MODE_CONT_OUT:
mchip_continuous_start();
mchip_cont_compression_start();
break;
default:
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
case VIDIOC_STREAMOFF: {
int i;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
mchip_hic_stop();
kfifo_reset(meye.grabq);
kfifo_reset(meye.doneq);
for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
{
unsigned int res = 0;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
poll_wait(file, &meye.proc_list, wait);
if (kfifo_len(meye.doneq))
res = POLLIN | POLLRDNORM;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return res;
}
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
unsigned long page, pos;
- down(&meye.lock);
+ mutex_lock(&meye.lock);
if (size > gbuffers * gbufsize) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
if (!meye.grab_fbuffer) {
meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize);
if (!meye.grab_fbuffer) {
printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -ENOMEM;
}
for (i = 0; i < gbuffers; i++)
while (size > 0) {
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EAGAIN;
}
start += PAGE_SIZE;
vma->vm_private_data = (void *) (offset / gbufsize);
meye_vm_open(vma);
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return 0;
}
goto outvideoreg;
}
- init_MUTEX(&meye.lock);
+ mutex_init(&meye.lock);
init_waitqueue_head(&meye.proc_list);
meye.picture.depth = 16;
meye.picture.palette = VIDEO_PALETTE_YUV422;
/* private API definitions */
#include <linux/meye.h>
+#include <linux/mutex.h>
+
/* Enable jpg software correction */
#define MEYE_JPEG_CORRECTION 1
/* list of buffers */
struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
- struct semaphore lock; /* semaphore for open/mmap... */
+ struct mutex lock; /* mutex for open/mmap... */
struct kfifo *grabq; /* queue for buffers to be grabbed */
spinlock_t grabq_lock; /* lock protecting the queue */
struct kfifo *doneq; /* queue for grabbed buffers */
}
/* fixme: locke das setzen des inputs mit hilfe des mutexes
- down(&dev->lock);
+ mutex_lock(&dev->lock);
video_mux(dev,*i);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
*/
/* fixme: check if streaming capture
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/irq.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include "planb.h"
#include "saa7196.h"
static inline void planb_lock(struct planb *pb)
{
- down(&pb->lock);
+ mutex_lock(&pb->lock);
}
static inline void planb_unlock(struct planb *pb)
{
- up(&pb->lock);
+ mutex_unlock(&pb->lock);
}
/***************/
#endif
pb->tab_size = PLANB_MAXLINES + 40;
pb->suspend = 0;
- init_MUTEX(&pb->lock);
+ mutex_init(&pb->lock);
pb->ch1_cmd = 0;
pb->ch2_cmd = 0;
pb->mask = 0;
int user;
unsigned int tab_size;
int maxlines;
- struct semaphore lock;
+ struct mutex lock;
unsigned int irq; /* interrupt number */
volatile unsigned int intr_mask;
#include <asm/io.h>
#include <linux/sched.h>
#include <linux/videodev.h>
+#include <linux/mutex.h>
+
#include <asm/uaccess.h>
struct video_picture picture;
int height;
int width;
- struct semaphore lock;
+ struct mutex lock;
};
struct i2c_info
struct video_channel *v = arg;
if(v->channel<0 || v->channel>3)
return -EINVAL;
- down(&pd->lock);
+ mutex_lock(&pd->lock);
pms_videosource(v->channel&1);
pms_vcrinput(v->channel>>1);
- up(&pd->lock);
+ mutex_unlock(&pd->lock);
return 0;
}
case VIDIOCGTUNER:
struct video_tuner *v = arg;
if(v->tuner)
return -EINVAL;
- down(&pd->lock);
+ mutex_lock(&pd->lock);
switch(v->mode)
{
case VIDEO_MODE_AUTO:
pms_format(2);
break;
default:
- up(&pd->lock);
+ mutex_unlock(&pd->lock);
return -EINVAL;
}
- up(&pd->lock);
+ mutex_unlock(&pd->lock);
return 0;
}
case VIDIOCGPICT:
* Now load the card.
*/
- down(&pd->lock);
+ mutex_lock(&pd->lock);
pms_brightness(p->brightness>>8);
pms_hue(p->hue>>8);
pms_colour(p->colour>>8);
pms_contrast(p->contrast>>8);
- up(&pd->lock);
+ mutex_unlock(&pd->lock);
return 0;
}
case VIDIOCSWIN:
return -EINVAL;
pd->width=vw->width;
pd->height=vw->height;
- down(&pd->lock);
+ mutex_lock(&pd->lock);
pms_resolution(pd->width, pd->height);
- up(&pd->lock); /* Ok we figured out what to use from our wide choice */
+ mutex_unlock(&pd->lock); /* Ok we figured out what to use from our wide choice */
return 0;
}
case VIDIOCGWIN:
struct pms_device *pd=(struct pms_device *)v;
int len;
- down(&pd->lock);
+ mutex_lock(&pd->lock);
len=pms_capture(pd, buf, (pd->picture.depth==16)?0:1,count);
- up(&pd->lock);
+ mutex_unlock(&pd->lock);
return len;
}
return -ENODEV;
}
memcpy(&pms_device, &pms_template, sizeof(pms_template));
- init_MUTEX(&pms_device.lock);
+ mutex_init(&pms_device.lock);
pms_device.height=240;
pms_device.width=320;
pms_swsense(75);
#include <linux/i2c.h>
#include <linux/videotext.h>
#include <linux/videodev.h>
+#include <linux/mutex.h>
+
#include "saa5246a.h"
MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>");
u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE];
int is_searching[NUM_DAUS];
struct i2c_client *client;
- struct semaphore lock;
+ struct mutex lock;
};
static struct video_device saa_template; /* Declared near bottom */
return -ENOMEM;
}
strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
- init_MUTEX(&t->lock);
+ mutex_init(&t->lock);
/*
* Now create a video4linux device
int err;
cmd = vtx_fix_command(cmd);
- down(&t->lock);
+ mutex_lock(&t->lock);
err = video_usercopy(inode, file, cmd, arg, do_saa5246a_ioctl);
- up(&t->lock);
+ mutex_unlock(&t->lock);
return err;
}
#include <linux/i2c.h>
#include <linux/videotext.h>
#include <linux/videodev.h>
+#include <linux/mutex.h>
+
#include <asm/io.h>
#include <asm/uaccess.h>
int disp_mode;
int virtual_mode;
struct i2c_client *client;
- struct semaphore lock;
+ struct mutex lock;
};
return -ENOMEM;
}
strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
- init_MUTEX(&t->lock);
+ mutex_init(&t->lock);
/*
* Now create a video4linux device
int err;
cmd = vtx_fix_command(cmd);
- down(&t->lock);
+ mutex_lock(&t->lock);
err = video_usercopy(inode,file,cmd,arg,do_saa5249_ioctl);
- up(&t->lock);
+ mutex_unlock(&t->lock);
return err;
}
struct saa7134_dev *dev = saa7134->dev;
int err;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.read_count = 0;
dev->dmasound.read_offset = 0;
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
if (pcm == NULL)
chip->irq = dev->pci->irq;
- init_MUTEX(&dev->dmasound.lock);
+ mutex_init(&dev->dmasound.lock);
if ((err = snd_card_saa7134_new_mixer(chip)) < 0)
goto __nodev;
saa_writel(SAA7134_IRQ1, 0);
saa_writel(SAA7134_IRQ2, 0);
- init_MUTEX(&dev->lock);
+ mutex_init(&dev->lock);
spin_lock_init(&dev->slock);
saa7134_track_gpio(dev,"pre-init");
dprintk("open minor=%d\n",minor);
err = -EBUSY;
- if (down_trylock(&dev->empress_tsq.lock))
+ if (!mutex_trylock(&dev->empress_tsq.lock))
goto done;
if (dev->empress_users)
goto done_up;
err = 0;
done_up:
- up(&dev->empress_tsq.lock);
+ mutex_unlock(&dev->empress_tsq.lock);
done:
return err;
}
if (dev->empress_tsq.streaming)
videobuf_streamoff(&dev->empress_tsq);
- down(&dev->empress_tsq.lock);
+ mutex_lock(&dev->empress_tsq.lock);
if (dev->empress_tsq.reading)
videobuf_read_stop(&dev->empress_tsq);
videobuf_mmap_free(&dev->empress_tsq);
/* stop the encoder */
ts_reset_encoder(dev);
- up(&dev->empress_tsq.lock);
+ mutex_unlock(&dev->empress_tsq.lock);
return 0;
}
if (NULL == dev)
return -ENODEV;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
err = -EBUSY;
if (dev->dmasound.users_dsp)
goto fail1;
if (0 != err)
goto fail2;
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
fail2:
dev->dmasound.users_dsp--;
fail1:
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return err;
}
{
struct saa7134_dev *dev = file->private_data;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
dsp_buffer_free(dev);
dev->dmasound.users_dsp--;
file->private_data = NULL;
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
}
int err,ret = 0;
add_wait_queue(&dev->dmasound.wq, &wait);
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
while (count > 0) {
/* wait for data if needed */
if (0 == dev->dmasound.read_count) {
ret = -EAGAIN;
break;
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
set_current_state(TASK_INTERRUPTIBLE);
if (0 == dev->dmasound.read_count)
schedule();
set_current_state(TASK_RUNNING);
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (signal_pending(current)) {
if (0 == ret)
ret = -EINTR;
if (dev->dmasound.read_offset == dev->dmasound.bufsize)
dev->dmasound.read_offset = 0;
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
remove_wait_queue(&dev->dmasound.wq, &wait);
return ret;
}
case SNDCTL_DSP_STEREO:
if (get_user(val, p))
return -EFAULT;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.channels = val ? 2 : 1;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return put_user(dev->dmasound.channels-1, p);
case SNDCTL_DSP_CHANNELS:
return -EFAULT;
if (val != 1 && val != 2)
return -EINVAL;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.channels = val;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
/* fall through */
case SOUND_PCM_READ_CHANNELS:
return put_user(dev->dmasound.channels, p);
case AFMT_U16_BE:
case AFMT_S16_LE:
case AFMT_S16_BE:
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.afmt = val;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return put_user(dev->dmasound.afmt, p);
default:
return -EINVAL;
return 0;
case SNDCTL_DSP_RESET:
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
case SNDCTL_DSP_GETBLKSIZE:
return put_user(dev->dmasound.blksize, p);
poll_wait(file, &dev->dmasound.wq, wait);
if (0 == dev->dmasound.read_count) {
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (!dev->dmasound.recording_on)
dsp_rec_start(dev);
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
} else
mask |= (POLLIN | POLLRDNORM);
return mask;
return -1;
/* general */
- init_MUTEX(&dev->dmasound.lock);
+ mutex_init(&dev->dmasound.lock);
init_waitqueue_head(&dev->dmasound.wq);
switch (dev->pci->device) {
return 1;
/* is it free? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (dev->resources & bit) {
/* no, someone else uses it */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
dev->resources |= bit;
dprintk("res: get %d\n",bit);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 1;
}
if ((fh->resources & bits) != bits)
BUG();
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->resources &= ~bits;
dev->resources &= ~bits;
dprintk("res: put %d\n",bits);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
/* ------------------------------------------------------------------ */
if (!list_empty(&fh->cap.stream))
buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
} else {
- down(&fh->cap.lock);
+ mutex_lock(&fh->cap.lock);
if (UNSET == fh->cap.read_off) {
/* need to capture a new frame */
if (res_locked(fh->dev,RESOURCE_VIDEO)) {
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return POLLERR;
}
if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return POLLERR;
}
fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
fh->cap.read_off = 0;
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
buf = fh->cap.read_buf;
}
if (0 != err)
return err;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->win = f->fmt.win;
fh->nclips = f->fmt.win.clipcount;
if (fh->nclips > 8)
fh->nclips = 8;
if (copy_from_user(fh->clips,f->fmt.win.clips,
sizeof(struct v4l2_clip)*fh->nclips)) {
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return -EFAULT;
}
start_preview(dev,fh);
spin_unlock_irqrestore(&dev->slock,flags);
}
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
case V4L2_BUF_TYPE_VBI_CAPTURE:
saa7134_vbi_fmt(dev,f);
return get_control(dev,arg);
case VIDIOC_S_CTRL:
{
- down(&dev->lock);
+ mutex_lock(&dev->lock);
err = set_control(dev,NULL,arg);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return err;
}
/* --- input switching --------------------------------------- */
return -EINVAL;
if (NULL == card_in(dev,*i).name)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
video_mux(dev,*i);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
if (i == TVNORMS)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (res_check(fh, RESOURCE_OVERLAY)) {
spin_lock_irqsave(&dev->slock,flags);
stop_preview(dev,fh);
} else
set_tvnorm(dev,&tvnorms[i]);
saa7134_tvaudio_do_scan(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
return -EINVAL;
if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
return -EINVAL;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
dev->ctl_freq = f->frequency;
saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
saa7134_tvaudio_do_scan(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
#include <linux/input.h>
#include <linux/notifier.h>
#include <linux/delay.h>
+#include <linux/mutex.h>
#include <asm/io.h>
/* dmasound dsp status */
struct saa7134_dmasound {
- struct semaphore lock;
+ struct mutex lock;
int minor_mixer;
int minor_dsp;
unsigned int users_dsp;
/* global device status */
struct saa7134_dev {
struct list_head devlist;
- struct semaphore lock;
+ struct mutex lock;
spinlock_t slock;
#ifdef VIDIOC_G_PRIORITY
struct v4l2_prio_state prio;
if (!demux->dmx.frontend)
return -EINVAL;
- down(&dvb->lock);
+ mutex_lock(&dvb->lock);
dvb->nfeeds++;
rc = dvb->nfeeds;
}
out:
- up(&dvb->lock);
+ mutex_unlock(&dvb->lock);
return rc;
}
struct videobuf_dvb *dvb = demux->priv;
int err = 0;
- down(&dvb->lock);
+ mutex_lock(&dvb->lock);
dvb->nfeeds--;
if (0 == dvb->nfeeds && NULL != dvb->thread) {
// FIXME: cx8802_cancel_buffers(dev);
err = kthread_stop(dvb->thread);
dvb->thread = NULL;
}
- up(&dvb->lock);
+ mutex_unlock(&dvb->lock);
return err;
}
{
int result;
- init_MUTEX(&dvb->lock);
+ mutex_init(&dvb->lock);
/* register adapter */
result = dvb_register_adapter(&dvb->adapter, dvb->name, module);
q->ops = ops;
q->priv_data = priv;
- init_MUTEX(&q->lock);
+ mutex_init(&q->lock);
INIT_LIST_HEAD(&q->stream);
}
if (!list_empty(&q->stream))
return -EBUSY;
- down(&q->lock);
+ mutex_lock(&q->lock);
count = req->count;
if (count > VIDEO_MAX_FRAME)
count = VIDEO_MAX_FRAME;
req->count = count;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
unsigned long flags;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->reading)
goto done;
retval = 0;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
struct videobuf_buffer *buf;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->reading)
goto done;
videobuf_status(b,buf,q->type);
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
unsigned long flags;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->reading)
goto done;
spin_unlock_irqrestore(q->irqlock,flags);
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
{
int retval = -EINVAL;
- down(&q->lock);
+ mutex_lock(&q->lock);
if (!q->streaming)
goto done;
videobuf_queue_cancel(q);
retval = 0;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
unsigned size, nbufs, bytes;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
nbufs = 1; size = 0;
q->ops->buf_setup(q,&nbufs,&size);
}
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
unsigned long flags;
dprintk(2,"%s\n",__FUNCTION__);
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->streaming)
goto done;
}
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
- down(&q->lock);
+ mutex_lock(&q->lock);
if (q->streaming) {
if (!list_empty(&q->stream))
buf = list_entry(q->stream.next,
buf->state == STATE_ERROR)
rc = POLLIN|POLLRDNORM;
}
- up(&q->lock);
+ mutex_unlock(&q->lock);
return rc;
}
map->count--;
if (0 == map->count) {
dprintk(1,"munmap %p q=%p\n",map,q);
- down(&q->lock);
+ mutex_lock(&q->lock);
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
q->bufs[i]->baddr = 0;
q->ops->buf_release(q,q->bufs[i]);
}
- up(&q->lock);
+ mutex_unlock(&q->lock);
kfree(map);
}
return;
unsigned int first,last,size,i;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EINVAL;
if (!(vma->vm_flags & VM_WRITE)) {
dprintk(1,"mmap app bug: PROT_WRITE please\n");
retval = 0;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
struct video_device *vfl = video_devdata(file);
int retval = 0;
- down(&vfl->lock);
+ mutex_lock(&vfl->lock);
if (vfl->users) {
retval = -EBUSY;
} else {
vfl->users++;
}
- up(&vfl->lock);
+ mutex_unlock(&vfl->lock);
return retval;
}
sprintf(vfd->devfs_name, "v4l/%s%d", name_base, i - base);
devfs_mk_cdev(MKDEV(VIDEO_MAJOR, vfd->minor),
S_IFCHR | S_IRUSR | S_IWUSR, vfd->devfs_name);
- init_MUTEX(&vfd->lock);
+ mutex_init(&vfd->lock);
/* sysfs class */
memset(&vfd->class_dev, 0x00, sizeof(vfd->class_dev));
#include <linux/videodev.h>
#include <linux/videodev2.h>
#include <linux/video_decoder.h>
+#include <linux/mutex.h>
#include <asm/paccess.h>
#include <asm/io.h>
struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX];
spinlock_t queue_lock;
- struct semaphore queue_sem;
+ struct mutex queue_mutex;
wait_queue_head_t frame_wait_queue;
};
/* the driver is currently processing the queue */
int capturing;
- struct semaphore sem;
+ struct mutex mutex;
spinlock_t capture_lock;
unsigned int users;
if (q->type != VINO_MEMORY_MMAP)
return;
- down(&q->queue_sem);
+ mutex_lock(&q->queue_mutex);
vino_queue_free_with_count(q, q->length);
- up(&q->queue_sem);
+ mutex_unlock(&q->queue_mutex);
}
static int vino_queue_init(struct vino_framebuffer_queue *q,
if (*length < 1)
return -EINVAL;
- down(&q->queue_sem);
+ mutex_lock(&q->queue_mutex);
if (*length > VINO_FRAMEBUFFER_COUNT_MAX)
*length = VINO_FRAMEBUFFER_COUNT_MAX;
q->magic = VINO_QUEUE_MAGIC;
}
- up(&q->queue_sem);
+ mutex_unlock(&q->queue_mutex);
return ret;
}
dprintk("open(): channel = %c\n",
(vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B');
- down(&vcs->sem);
+ mutex_lock(&vcs->mutex);
if (vcs->users) {
dprintk("open(): driver busy\n");
vcs->users++;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
dprintk("open(): %s!\n", ret ? "failed" : "complete");
struct vino_channel_settings *vcs = video_get_drvdata(dev);
dprintk("close():\n");
- down(&vcs->sem);
+ mutex_lock(&vcs->mutex);
vcs->users--;
vino_queue_free(&vcs->fb_queue);
}
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return 0;
}
// TODO: reject mmap if already mapped
- if (down_interruptible(&vcs->sem))
+ if (mutex_lock_interruptible(&vcs->mutex))
return -EINTR;
if (vcs->reading) {
vma->vm_ops = &vino_vm_ops;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return ret;
}
struct vino_channel_settings *vcs = video_get_drvdata(dev);
int ret;
- if (down_interruptible(&vcs->sem))
+ if (mutex_lock_interruptible(&vcs->mutex))
return -EINTR;
ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl);
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return ret;
}
vcs->capturing = 0;
- init_MUTEX(&vcs->sem);
+ mutex_init(&vcs->mutex);
spin_lock_init(&vcs->capture_lock);
- init_MUTEX(&vcs->fb_queue.queue_sem);
+ mutex_init(&vcs->fb_queue.queue_mutex);
spin_lock_init(&vcs->fb_queue.queue_lock);
init_waitqueue_head(&vcs->fb_queue.frame_wait_queue);
#include <linux/time.h> /* need struct timeval */
#include <linux/poll.h>
#include <linux/device.h>
+#include <linux/mutex.h>
#endif
#include <linux/compiler.h> /* need __user */
/* for videodev.c intenal usage -- please don't touch */
int users; /* video_exclusive_{open|close} ... */
- struct semaphore lock; /* ... helper function uses these */
+ struct mutex lock; /* ... helper function uses these */
char devfs_name[64]; /* devfs */
struct class_device class_dev; /* sysfs */
};
#include <linux/i2c.h> /* for i2c subsystem */
#include <asm/io.h> /* for accessing devices */
#include <linux/stringify.h>
+#include <linux/mutex.h>
+
#include <linux/vmalloc.h> /* for vmalloc() */
#include <linux/mm.h> /* for vmalloc_to_page() */
/* different device locks */
spinlock_t slock;
- struct semaphore lock;
+ struct mutex lock;
unsigned char __iomem *mem; /* pointer to mapped IO memory */
int revision; /* chip revision; needed for bug-workarounds*/
void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);
/* i2c-stuff */
- struct semaphore i2c_lock;
- u32 i2c_bitrate;
- struct saa7146_dma d_i2c; /* pointer to i2c memory */
- wait_queue_head_t i2c_wq;
- int i2c_op;
+ struct mutex i2c_lock;
+
+ u32 i2c_bitrate;
+ struct saa7146_dma d_i2c; /* pointer to i2c memory */
+ wait_queue_head_t i2c_wq;
+ int i2c_op;
/* memories */
- struct saa7146_dma d_rps0;
- struct saa7146_dma d_rps1;
+ struct saa7146_dma d_rps0;
+ struct saa7146_dma d_rps1;
};
/* from saa7146_i2c.c */
/* from saa7146_core.c */
extern struct list_head saa7146_devices;
-extern struct semaphore saa7146_devices_lock;
+extern struct mutex saa7146_devices_lock;
int saa7146_register_extension(struct saa7146_extension*);
int saa7146_unregister_extension(struct saa7146_extension*);
struct saa7146_format* format_by_fourcc(struct saa7146_dev *dev, int fourcc);
struct videobuf_queue dvbq;
/* video-buf-dvb state info */
- struct semaphore lock;
+ struct mutex lock;
struct task_struct *thread;
int nfeeds;
};
struct videobuf_queue {
- struct semaphore lock;
+ struct mutex lock;
spinlock_t *irqlock;
struct pci_dev *pci;
projects / openwrt / staging / blogic.git / commitdiff