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path: root/drivers/media/dvb/dvb-core
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Diffstat (limited to 'drivers/media/dvb/dvb-core')
-rw-r--r--drivers/media/dvb/dvb-core/dmxdev.c19
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c51
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.h22
-rw-r--r--drivers/media/dvb/dvb-core/dvbdev.c13
4 files changed, 55 insertions, 50 deletions
diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index c225de7ffd8..68050cd527c 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -42,12 +42,6 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
#define dprintk if (debug) printk
-static inline struct dmxdev_filter *
-dvb_dmxdev_file_to_filter(struct file *file)
-{
- return (struct dmxdev_filter *) file->private_data;
-}
-
static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer)
{
buffer->data=NULL;
@@ -669,8 +663,10 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
ret = filter->feed.ts->start_filtering(filter->feed.ts);
- if (ret < 0)
+ if (ret < 0) {
+ dmxdev->demux->release_ts_feed(dmxdev->demux, *tsfeed);
return ret;
+ }
break;
}
@@ -842,7 +838,7 @@ static ssize_t dvb_dmxdev_read_sec(struct dmxdev_filter *dfil,
static ssize_t
dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
- struct dmxdev_filter *dmxdevfilter=dvb_dmxdev_file_to_filter(file);
+ struct dmxdev_filter *dmxdevfilter= file->private_data;
int ret=0;
if (down_interruptible(&dmxdevfilter->mutex))
@@ -863,7 +859,7 @@ dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *parg)
{
- struct dmxdev_filter *dmxdevfilter=dvb_dmxdev_file_to_filter(file);
+ struct dmxdev_filter *dmxdevfilter = file->private_data;
struct dmxdev *dmxdev=dmxdevfilter->dev;
unsigned long arg=(unsigned long) parg;
int ret=0;
@@ -960,7 +956,7 @@ static int dvb_demux_ioctl(struct inode *inode, struct file *file,
static unsigned int dvb_demux_poll (struct file *file, poll_table *wait)
{
- struct dmxdev_filter *dmxdevfilter = dvb_dmxdev_file_to_filter(file);
+ struct dmxdev_filter *dmxdevfilter = file->private_data;
unsigned int mask = 0;
if (!dmxdevfilter)
@@ -985,7 +981,7 @@ static unsigned int dvb_demux_poll (struct file *file, poll_table *wait)
static int dvb_demux_release(struct inode *inode, struct file *file)
{
- struct dmxdev_filter *dmxdevfilter = dvb_dmxdev_file_to_filter(file);
+ struct dmxdev_filter *dmxdevfilter = file->private_data;
struct dmxdev *dmxdev = dmxdevfilter->dev;
return dvb_dmxdev_filter_free(dmxdev, dmxdevfilter);
@@ -1109,7 +1105,6 @@ dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
dvb_dmxdev_filter_state_set(&dmxdev->filter[i], DMXDEV_STATE_FREE);
dmxdev->dvr[i].dev=dmxdev;
dmxdev->dvr[i].buffer.data=NULL;
- dvb_dmxdev_filter_state_set(&dmxdev->filter[i], DMXDEV_STATE_FREE);
dvb_dmxdev_dvr_state_set(&dmxdev->dvr[i], DMXDEV_STATE_FREE);
}
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index d19301d90a0..a8bc84240b5 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -35,12 +35,15 @@
#include <linux/moduleparam.h>
#include <linux/list.h>
#include <linux/suspend.h>
+#include <linux/jiffies.h>
#include <asm/processor.h>
#include <asm/semaphore.h>
#include "dvb_frontend.h"
#include "dvbdev.h"
+// #define DEBUG_LOCKLOSS 1
+
static int dvb_frontend_debug;
static int dvb_shutdown_timeout = 5;
static int dvb_force_auto_inversion;
@@ -112,6 +115,7 @@ struct dvb_frontend_private {
int exit;
int wakeup;
fe_status_t status;
+ fe_sec_tone_mode_t tone;
};
@@ -327,7 +331,8 @@ static int dvb_frontend_is_exiting(struct dvb_frontend *fe)
return 1;
if (fepriv->dvbdev->writers == 1)
- if (jiffies - fepriv->release_jiffies > dvb_shutdown_timeout * HZ)
+ if (time_after(jiffies, fepriv->release_jiffies +
+ dvb_shutdown_timeout * HZ))
return 1;
return 0;
@@ -389,8 +394,7 @@ static int dvb_frontend_thread(void *data)
break;
}
- if (current->flags & PF_FREEZE)
- refrigerator(PF_FREEZE);
+ try_to_freeze();
if (down_interruptible(&fepriv->sem))
break;
@@ -433,9 +437,26 @@ static int dvb_frontend_thread(void *data)
/* we're tuned, and the lock is still good... */
if (s & FE_HAS_LOCK)
continue;
- else {
- /* if we _WERE_ tuned, but now don't have a lock,
- * need to zigzag */
+ else { /* if we _WERE_ tuned, but now don't have a lock */
+#ifdef DEBUG_LOCKLOSS
+ /* first of all try setting the tone again if it was on - this
+ * sometimes works around problems with noisy power supplies */
+ if (fe->ops->set_tone && (fepriv->tone == SEC_TONE_ON)) {
+ fe->ops->set_tone(fe, fepriv->tone);
+ mdelay(100);
+ s = 0;
+ fe->ops->read_status(fe, &s);
+ if (s & FE_HAS_LOCK) {
+ printk("DVB%i: Lock was lost, but regained by setting "
+ "the tone. This may indicate your power supply "
+ "is noisy/slightly incompatable with this DVB-S "
+ "adapter\n", fe->dvb->num);
+ fepriv->state = FESTATE_TUNED;
+ continue;
+ }
+ }
+#endif
+ /* some other reason for losing the lock - start zigzagging */
fepriv->state = FESTATE_ZIGZAG_FAST;
fepriv->started_auto_step = fepriv->auto_step;
check_wrapped = 0;
@@ -625,11 +646,21 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
break;
}
- case FE_READ_STATUS:
+ case FE_READ_STATUS: {
+ fe_status_t* status = parg;
+
+ /* if retune was requested but hasn't occured yet, prevent
+ * that user get signal state from previous tuning */
+ if(fepriv->state == FESTATE_RETUNE) {
+ err=0;
+ *status = 0;
+ break;
+ }
+
if (fe->ops->read_status)
- err = fe->ops->read_status(fe, (fe_status_t*) parg);
+ err = fe->ops->read_status(fe, status);
break;
-
+ }
case FE_READ_BER:
if (fe->ops->read_ber)
err = fe->ops->read_ber(fe, (__u32*) parg);
@@ -680,6 +711,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
err = fe->ops->set_tone(fe, (fe_sec_tone_mode_t) parg);
fepriv->state = FESTATE_DISEQC;
fepriv->status = 0;
+ fepriv->tone = (fe_sec_tone_mode_t) parg;
}
break;
@@ -882,6 +914,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
init_MUTEX (&fepriv->events.sem);
fe->dvb = dvb;
fepriv->inversion = INVERSION_OFF;
+ fepriv->tone = SEC_TONE_OFF;
printk ("DVB: registering frontend %i (%s)...\n",
fe->dvb->num,
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index d2b02179279..9c2c1d1136b 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -40,28 +40,6 @@
#include "dvbdev.h"
-/* FIXME: Move to i2c-id.h */
-#define I2C_DRIVERID_DVBFE_SP8870 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_CX22700 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_AT76C651 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_CX24110 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_CX22702 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_DIB3000MB I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_DST I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_DUMMY I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_L64781 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_MT312 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_MT352 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_NXT6000 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_SP887X I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_STV0299 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_TDA1004X I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_TDA8083 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_VES1820 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_VES1X93 I2C_DRIVERID_EXP2
-#define I2C_DRIVERID_DVBFE_TDA80XX I2C_DRIVERID_EXP2
-
-
struct dvb_frontend_tune_settings {
int min_delay_ms;
int step_size;
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 9d9662f4b8e..4b7adca3e28 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -56,8 +56,7 @@ static const char * const dnames[] = {
#define nums2minor(num,type,id) ((num << 6) | (id << 4) | type)
#define MAX_DVB_MINORS (DVB_MAX_ADAPTERS*64)
-struct class_simple *dvb_class;
-EXPORT_SYMBOL(dvb_class);
+static struct class *dvb_class;
static struct dvb_device* dvbdev_find_device (int minor)
{
@@ -236,8 +235,8 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
S_IFCHR | S_IRUSR | S_IWUSR,
"dvb/adapter%d/%s%d", adap->num, dnames[type], id);
- class_simple_device_add(dvb_class, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)),
- NULL, "dvb%d.%s%d", adap->num, dnames[type], id);
+ class_device_create(dvb_class, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)),
+ NULL, "dvb%d.%s%d", adap->num, dnames[type], id);
dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",
adap->num, dnames[type], id, nums2minor(adap->num, type, id),
@@ -256,7 +255,7 @@ void dvb_unregister_device(struct dvb_device *dvbdev)
devfs_remove("dvb/adapter%d/%s%d", dvbdev->adapter->num,
dnames[dvbdev->type], dvbdev->id);
- class_simple_device_remove(MKDEV(DVB_MAJOR, nums2minor(dvbdev->adapter->num,
+ class_device_destroy(dvb_class, MKDEV(DVB_MAJOR, nums2minor(dvbdev->adapter->num,
dvbdev->type, dvbdev->id)));
list_del (&dvbdev->list_head);
@@ -412,7 +411,7 @@ static int __init init_dvbdev(void)
devfs_mk_dir("dvb");
- dvb_class = class_simple_create(THIS_MODULE, "dvb");
+ dvb_class = class_create(THIS_MODULE, "dvb");
if (IS_ERR(dvb_class)) {
retval = PTR_ERR(dvb_class);
goto error;
@@ -429,7 +428,7 @@ error:
static void __exit exit_dvbdev(void)
{
devfs_remove("dvb");
- class_simple_destroy(dvb_class);
+ class_destroy(dvb_class);
cdev_del(&dvb_device_cdev);
unregister_chrdev_region(MKDEV(DVB_MAJOR, 0), MAX_DVB_MINORS);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-16 17:12:36 +0000