#
dvb-core-objs = dvbdev.o dmxdev.o dvb_demux.o dvb_filter.o \
- dvb_ca_en50221.o dvb_functions.o dvb_frontend.o \
- dvb_i2c.o dvb_net.o dvb_ksyms.o dvb_ringbuffer.o
+ dvb_ca_en50221.o dvb_frontend.o \
+ dvb_net.o dvb_ksyms.o dvb_ringbuffer.o
obj-$(CONFIG_DVB_CORE) += dvb-core.o
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/sched.h>
#include <linux/poll.h>
#include <linux/ioctl.h>
#include <asm/system.h>
#include "dmxdev.h"
-#include "dvb_functions.h"
-MODULE_PARM(debug,"i");
-static int debug = 0;
+static int debug;
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
#define dprintk if (debug) printk
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
-#include <asm/semaphore.h>
-#include <asm/atomic.h>
+#include <linux/rwsem.h>
#include "dvb_ca_en50221.h"
-#include "dvb_functions.h"
#include "dvb_ringbuffer.h"
-static int dvb_ca_en50221_debug = 0;
+static int dvb_ca_en50221_debug;
+
+module_param_named(cam_debug, dvb_ca_en50221_debug, int, 0644);
+MODULE_PARM_DESC(cam_debug, "enable verbose debug messages");
+
#define dprintk if (dvb_ca_en50221_debug) printk
#define INIT_TIMEOUT_SECS 5
int link_buf_size;
/* semaphore for syncing access to slot structure */
- struct semaphore sem;
+ struct rw_semaphore sem;
/* buffer for incoming packets */
struct dvb_ringbuffer rx_buffer;
static int dvb_ca_en50221_check_camstatus(struct dvb_ca_private* ca, int slot)
{
int slot_status;
- int status;
int cam_present_now;
int cam_changed;
}
/* poll mode */
- if ((status = down_interruptible(&ca->slot_info[slot].sem)) != 0) return status;
slot_status = ca->pub->poll_slot_status(ca->pub, slot);
- up(&ca->slot_info[slot].sem);
cam_present_now = (slot_status & DVB_CA_EN50221_POLL_CAM_PRESENT) ? 1: 0;
cam_changed = (slot_status & DVB_CA_EN50221_POLL_CAM_CHANGED) ? 1: 0;
}
/* wait for a bit */
- dvb_delay(1);
+ msleep(1);
}
dprintk("%s failed timeout:%lu\n", __FUNCTION__, jiffies - start);
/* we'll be determining these during this function */
ca->slot_info[slot].da_irq_supported = 0;
- /* reset the link interface. Note CAM IRQs are disabled */
- if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, CMDREG_RS)) != 0) return ret;
- if ((ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ/10)) != 0) return ret;
-
/* set the host link buffer size temporarily. it will be overwritten with the
* real negotiated size later. */
ca->slot_info[slot].link_buf_size = 2;
/* grab the next tuple length and type */
if ((_tupleType = ca->pub->read_attribute_mem(ca->pub, slot, _address)) < 0) return _tupleType;
+ if (_tupleType == 0xff) {
+ dprintk("END OF CHAIN TUPLE type:0x%x\n", _tupleType);
+ *address += 2;
+ *tupleType = _tupleType;
+ *tupleLength = 0;
+ return 0;
+ }
if ((_tupleLength = ca->pub->read_attribute_mem(ca->pub, slot, _address+2)) < 0) return _tupleLength;
_address += 4;
/* is it a version we support? */
if (strncmp(dvb_str + 8, "1.00", 4)) {
- printk("dvb_ca: Unsupported DVB CAM module version %c%c%c%c\n",
- dvb_str[8], dvb_str[9], dvb_str[10], dvb_str[11]);
+ printk("dvb_ca adapter %d: Unsupported DVB CAM module version %c%c%c%c\n",
+ ca->dvbdev->adapter->num, dvb_str[8], dvb_str[9], dvb_str[10], dvb_str[11]);
return -EINVAL;
}
dprintk ("%s\n", __FUNCTION__);
- /* acquire the slot */
- if ((status = down_interruptible(&ca->slot_info[slot].sem)) != 0) return status;
-
/* check if we have space for a link buf in the rx_buffer */
if (ebuf == NULL) {
- if (dvb_ringbuffer_free(&ca->slot_info[slot].rx_buffer) <
- (ca->slot_info[slot].link_buf_size + DVB_RINGBUFFER_PKTHDRSIZE)) {
+ int buf_free;
+
+ down_read(&ca->slot_info[slot].sem);
+ buf_free = dvb_ringbuffer_free(&ca->slot_info[slot].rx_buffer);
+ up_read(&ca->slot_info[slot].sem);
+
+ if (buf_free < (ca->slot_info[slot].link_buf_size + DVB_RINGBUFFER_PKTHDRSIZE)) {
status = -EAGAIN;
goto exit;
}
}
- /* reset the interface if there's been a tx error */
+ /* check if there is data available */
if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) goto exit;
- if (status & STATUSREG_TXERR) {
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
- status = -EIO;
- goto exit;
- }
if (!(status & STATUSREG_DA)) {
/* no data */
status = 0;
/* check it will fit */
if (ebuf == NULL) {
if (bytes_read > ca->slot_info[slot].link_buf_size) {
- printk("dvb_ca: CAM tried to send a buffer larger than the link buffer size!\n");
+ printk("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size!\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
status = -EIO;
goto exit;
}
if (bytes_read < 2) {
- printk("dvb_ca: CAM sent a buffer that was less than 2 bytes!\n");
+ printk("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
status = -EIO;
goto exit;
}
} else {
if (bytes_read > ecount) {
- printk("dvb_ca: CAM tried to send a buffer larger than the ecount size!\n");
+ printk("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n", ca->dvbdev->adapter->num);
status = -EIO;
goto exit;
}
buf[i] = status;
}
- /* check for read error (RE should now go to 0) */
+ /* check for read error (RE should now be 0) */
if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) goto exit;
if (status & STATUSREG_RE) {
+ ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
status = -EIO;
goto exit;
}
/* OK, add it to the receive buffer, or copy into external buffer if supplied */
if (ebuf == NULL) {
+ down_read(&ca->slot_info[slot].sem);
dvb_ringbuffer_pkt_write(&ca->slot_info[slot].rx_buffer, buf, bytes_read);
+ up_read(&ca->slot_info[slot].sem);
} else {
memcpy(ebuf, buf, bytes_read);
}
+ dprintk("Received CA packet for slot %i connection id 0x%x last_frag:%i size:0x%x\n", slot, buf[0], (buf[1] & 0x80) == 0, bytes_read);
+
/* wake up readers when a last_fragment is received */
if ((buf[1] & 0x80) == 0x00) {
wake_up_interruptible(&ca->wait_queue);
status = bytes_read;
exit:
- up(&ca->slot_info[slot].sem);
return status;
}
// sanity check
if (bytes_write > ca->slot_info[slot].link_buf_size) return -EINVAL;
- /* acquire the slot */
- if ((status = down_interruptible(&ca->slot_info[slot].sem)) != 0) return status;
-
- /* reset the interface if there's been a tx error */
+ /* check if interface is actually waiting for us to read from it, or if a read is in progress */
if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) goto exitnowrite;
- if (status & STATUSREG_TXERR) {
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
- status = -EIO;
- goto exitnowrite;
- }
-
- /* check if interface is actually waiting for us to read from it */
- if (status & STATUSREG_DA) {
+ if (status & (STATUSREG_DA|STATUSREG_RE)) {
status = -EAGAIN;
goto exitnowrite;
}
/* check for write error (WE should now be 0) */
if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) goto exit;
if (status & STATUSREG_WE) {
+ ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
status = -EIO;
goto exit;
}
status = bytes_write;
+ dprintk("Wrote CA packet for slot %i, connection id 0x%x last_frag:%i size:0x%x\n", slot, buf[0], (buf[1] & 0x80) == 0, bytes_write);
+
exit:
ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);
exitnowrite:
- up(&ca->slot_info[slot].sem);
return status;
}
*/
static int dvb_ca_en50221_slot_shutdown(struct dvb_ca_private* ca, int slot)
{
- int status;
-
dprintk ("%s\n", __FUNCTION__);
- if ((status = down_interruptible(&ca->slot_info[slot].sem)) != 0) return status;
+ down_write(&ca->slot_info[slot].sem);
ca->pub->slot_shutdown(ca->pub, slot);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;
if (ca->slot_info[slot].rx_buffer.data) vfree(ca->slot_info[slot].rx_buffer.data);
ca->slot_info[slot].rx_buffer.data = NULL;
- up(&ca->slot_info[slot].sem);
+ up_write(&ca->slot_info[slot].sem);
/* need to wake up all processes to check if they're now
trying to write to a defunct CAM */
break;
case DVB_CA_SLOTSTATE_RUNNING:
- flags = ca->pub->read_cam_control(pubca, slot, CTRLIF_STATUS);
- if (flags & STATUSREG_DA) {
- dvb_ca_en50221_thread_wakeup(ca);
- }
+ if (ca->open) dvb_ca_en50221_read_data(ca, slot, NULL, 0);
break;
}
}
/* setup kernel thread */
snprintf(name, sizeof(name), "kdvb-ca-%i:%i", ca->dvbdev->adapter->num, ca->dvbdev->id);
- dvb_kernel_thread_setup(name);
+
+ lock_kernel ();
+ daemonize (name);
+ sigfillset (¤t->blocked);
+ unlock_kernel ();
/* choose the correct initial delay */
dvb_ca_en50221_thread_update_delay(ca);
case DVB_CA_SLOTSTATE_WAITREADY:
if (time_after(jiffies, ca->slot_info[slot].timeout)) {
- printk("dvb_ca: PC card did not respond :(\n");
+ printk("dvb_ca adaptor %d: PC card did not respond :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);
break;
case DVB_CA_SLOTSTATE_VALIDATE:
if (dvb_ca_en50221_parse_attributes(ca, slot) != 0) {
- printk("dvb_ca: Invalid PC card inserted :(\n");
+ printk("dvb_ca adapter %d: Invalid PC card inserted :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
- dvb_ca_en50221_thread_update_delay(ca);
+ dvb_ca_en50221_thread_update_delay(ca);
break;
}
if (dvb_ca_en50221_set_configoption(ca, slot) != 0) {
- printk("dvb_ca: Unable to initialise CAM :(\n");
+ printk("dvb_ca adapter %d: Unable to initialise CAM :(\n", ca->dvbdev->adapter->num);
+ ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
+ dvb_ca_en50221_thread_update_delay(ca);
+ break;
+ }
+ if (ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, CMDREG_RS) != 0) {
+ printk("dvb_ca adapter %d: Unable to reset CAM IF\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);
break;
case DVB_CA_SLOTSTATE_WAITFR:
if (time_after(jiffies, ca->slot_info[slot].timeout)) {
- printk("dvb_ca: DVB CAM did not respond :(\n");
+ printk("dvb_ca adapter %d: DVB CAM did not respond :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);
break;
case DVB_CA_SLOTSTATE_LINKINIT:
if (dvb_ca_en50221_link_init(ca, slot) != 0) {
- printk("dvb_ca: DVB CAM link initialisation failed :(\n");
+ printk("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);
break;
rxbuf = vmalloc(RX_BUFFER_SIZE);
if (rxbuf == NULL) {
- printk("dvb_ca: Unable to allocate CAM rx buffer :(\n");
+ printk("dvb_ca adapter %d: Unable to allocate CAM rx buffer :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);
break;
ca->pub->slot_ts_enable(ca->pub, slot);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_RUNNING;
dvb_ca_en50221_thread_update_delay(ca);
- printk("dvb_ca: DVB CAM detected and initialised successfully\n");
+ printk("dvb_ca adapter %d: DVB CAM detected and initialised successfully\n", ca->dvbdev->adapter->num);
break;
case DVB_CA_SLOTSTATE_RUNNING:
if (!ca->open) break;
+ // no need to poll if the CAM supports IRQs
+ if (ca->slot_info[slot].da_irq_supported) break;
+
+ // poll mode
pktcount = 0;
while(dvb_ca_en50221_read_data(ca, slot, NULL, 0) > 0) {
if (!ca->open) break;
int status;
char fragbuf[HOST_LINK_BUF_SIZE];
int fragpos = 0;
- size_t fraglen;
+ int fraglen;
unsigned long timeout;
int written;
}
if (status != -EAGAIN) goto exit;
- dvb_delay(1);
+ msleep(1);
}
if (!written) {
status = -EIO;
int slot;
int slot_count = 0;
int idx;
- size_t fraglen;
+ int fraglen;
int connection_id = -1;
int found = 0;
u8 hdr[2];
while((slot_count < ca->slot_count) && (!found)) {
if (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_RUNNING) goto nextslot;
- if ((*result = down_interruptible(&ca->slot_info[slot].sem)) != 0) return 1;
+ down_read(&ca->slot_info[slot].sem);
idx = dvb_ringbuffer_pkt_next(&ca->slot_info[slot].rx_buffer, -1, &fraglen);
while(idx != -1) {
idx = dvb_ringbuffer_pkt_next(&ca->slot_info[slot].rx_buffer, idx, &fraglen);
}
- if (!found) up(&ca->slot_info[slot].sem);
+ if (!found) up_read(&ca->slot_info[slot].sem);
nextslot:
slot = (slot + 1) % ca->slot_count;
pktlen = 2;
do {
if (idx == -1) {
- printk("dvb_ca: BUG: read packet ended before last_fragment encountered\n");
+ printk("dvb_ca adapter %d: BUG: read packet ended before last_fragment encountered\n", ca->dvbdev->adapter->num);
status = -EIO;
goto exit;
}
status = pktlen;
exit:
- up(&ca->slot_info[slot].sem);
+ up_read(&ca->slot_info[slot].sem);
return status;
}
for(i=0; i< ca->slot_count; i++) {
if (ca->slot_info[i].slot_state == DVB_CA_SLOTSTATE_RUNNING) {
+ down_write(&ca->slot_info[i].sem);
dvb_ringbuffer_flush(&ca->slot_info[i].rx_buffer);
+ up_write(&ca->slot_info[i].sem);
}
}
dprintk ("%s\n", __FUNCTION__);
if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1) {
- up(&ca->slot_info[slot].sem);
+ up_read(&ca->slot_info[slot].sem);
mask |= POLLIN;
}
poll_wait(file, &ca->wait_queue, wait);
if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1) {
- up(&ca->slot_info[slot].sem);
+ up_read(&ca->slot_info[slot].sem);
mask |= POLLIN;
}
return mask;
}
-
static struct file_operations dvb_ca_fops = {
- .owner = THIS_MODULE,
- .read = dvb_ca_en50221_io_read,
- .write = dvb_ca_en50221_io_write,
- .ioctl = dvb_ca_en50221_io_ioctl,
- .open = dvb_ca_en50221_io_open,
- .release = dvb_ca_en50221_io_release,
- .poll = dvb_ca_en50221_io_poll,
+ .owner = THIS_MODULE,
+ .read = dvb_ca_en50221_io_read,
+ .write = dvb_ca_en50221_io_write,
+ .ioctl = dvb_ca_en50221_io_ioctl,
+ .open = dvb_ca_en50221_io_open,
+ .release= dvb_ca_en50221_io_release,
+ .poll = dvb_ca_en50221_io_poll,
};
static struct dvb_device dvbdev_ca = {
- .users = 1,
- .readers = 1,
- .writers = 1,
- .fops = &dvb_ca_fops,
+ .users = 1,
+ .readers= 1,
+ .writers= 1,
+ .fops = &dvb_ca_fops,
};
-
/* ******************************************************************************** */
/* Initialisation/shutdown functions */
ca->slot_info[i].slot_state = DVB_CA_SLOTSTATE_NONE;
atomic_set(&ca->slot_info[i].camchange_count, 0);
ca->slot_info[i].camchange_type = DVB_CA_EN50221_CAMCHANGE_REMOVED;
- init_MUTEX(&ca->slot_info[i].sem);
+ init_rwsem(&ca->slot_info[i].sem);
}
if (signal_pending(current)) {
/* shutdown the thread if there was one */
if (ca->thread_pid) {
if (kill_proc(ca->thread_pid, 0, 1) == -ESRCH) {
- printk("dvb_ca_release: thread PID %d already died\n", ca->thread_pid);
+ printk("dvb_ca_release adapter %d: thread PID %d already died\n", ca->dvbdev->adapter->num, ca->thread_pid);
} else {
ca->exit = 1;
mb();
pubca->private = NULL;
}
-MODULE_PARM(dvb_ca_en50221_debug,"i");
-
-MODULE_PARM_DESC(dvb_ca_en50221_debug, "enable verbose debug messages");
/* Structure describing a CA interface */
struct dvb_ca_en50221 {
+ /* NOTE: the read_*, write_* and poll_slot_status functions must use locks as
+ * they may be called from several threads at once */
+
/* functions for accessing attribute memory on the CAM */
int (*read_attribute_mem)(struct dvb_ca_en50221* ca, int slot, int address);
int (*write_attribute_mem)(struct dvb_ca_en50221* ca, int slot, int address, u8 value);
#include <asm/uaccess.h>
#include "dvb_demux.h"
-#include "dvb_functions.h"
#define NOBUFS
/*
static void dvb_demux_feed_add(struct dvb_demux_feed *feed)
{
+ spin_lock_irq(&feed->demux->lock);
if (dvb_demux_feed_find(feed)) {
printk(KERN_ERR "%s: feed already in list (type=%x state=%x pid=%x)\n",
__FUNCTION__, feed->type, feed->state, feed->pid);
- return;
+ goto out;
}
list_add(&feed->list_head, &feed->demux->feed_list);
+out:
+ spin_unlock_irq(&feed->demux->lock);
}
static void dvb_demux_feed_del(struct dvb_demux_feed *feed)
{
+ spin_lock_irq(&feed->demux->lock);
if (!(dvb_demux_feed_find(feed))) {
printk(KERN_ERR "%s: feed not in list (type=%x state=%x pid=%x)\n",
__FUNCTION__, feed->type, feed->state, feed->pid);
- return;
+ goto out;
}
list_del(&feed->list_head);
+out:
+ spin_unlock_irq(&feed->demux->lock);
}
static int dmx_ts_feed_set (struct dmx_ts_feed* ts_feed, u16 pid, int ts_type,
feed->pid = 0xffff;
- if (feed->ts_type & TS_DECODER)
+ if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_TS_PES_OTHER)
demux->pesfilter[feed->pes_type] = NULL;
up(&demux->mutex);
/*
- * dvb-core.c: DVB core driver
+ * dvb_frontend.c: DVB frontend tuning interface/thread
+ *
*
* Copyright (C) 1999-2001 Ralph Metzler
* Marcus Metzler
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/list.h>
#include <asm/processor.h>
#include <asm/semaphore.h>
#include "dvb_frontend.h"
#include "dvbdev.h"
-#include "dvb_functions.h"
+
+static int dvb_frontend_debug;
+static int dvb_shutdown_timeout = 5;
+static int dvb_override_frequency_bending;
+static int dvb_force_auto_inversion;
+static int dvb_override_tune_delay;
+static int do_frequency_bending;
+
+module_param_named(frontend_debug, dvb_frontend_debug, int, 0644);
+MODULE_PARM_DESC(dvb_frontend_debug, "Turn on/off frontend core debugging (default:off).");
+module_param(dvb_shutdown_timeout, int, 0444);
+MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware");
+module_param(dvb_override_frequency_bending, int, 0444);
+MODULE_PARM_DESC(dvb_override_frequency_bending, "0: normal (default), 1: never use frequency bending, 2: always use frequency bending");
+module_param(dvb_force_auto_inversion, int, 0444);
+MODULE_PARM_DESC(dvb_force_auto_inversion, "0: normal (default), 1: INVERSION_AUTO forced always");
+module_param(dvb_override_tune_delay, int, 0444);
+MODULE_PARM_DESC(dvb_override_tune_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
+
+#define dprintk if (dvb_frontend_debug) printk
#define FESTATE_IDLE 1
#define FESTATE_RETUNE 2
* FESTATE_LOSTLOCK. When the lock has been lost, and we're searching it again.
*/
-
-static int dvb_frontend_debug = 0;
-static int dvb_shutdown_timeout = 5;
-static int dvb_override_frequency_bending = 0;
-static int dvb_force_auto_inversion = 0;
-static int dvb_override_tune_delay = 0;
-
-static int do_frequency_bending = 0;
-
-#define dprintk if (dvb_frontend_debug) printk
-
#define MAX_EVENT 8
struct dvb_fe_events {
struct dvb_device *dvbdev;
struct dvb_frontend_parameters parameters;
struct dvb_fe_events events;
+ struct module *module;
struct semaphore sem;
struct list_head list_head;
wait_queue_head_t wait_queue;
{
struct list_head *entry;
int stepsize = this_fe->info->frequency_stepsize;
- int this_fe_adap_num = this_fe->frontend.i2c->adapter->num;
+ int this_fe_adap_num = this_fe->frontend.dvb_adapter->num;
int frequency;
if (!stepsize || recursive > 10) {
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.i2c->adapter->num != this_fe_adap_num)
+ if (fe->frontend.dvb_adapter->num != this_fe_adap_num)
continue;
f = fe->parameters.frequency;
dprintk ("%s\n", __FUNCTION__);
if (((s ^ fe->status) & FE_HAS_LOCK) && (s & FE_HAS_LOCK))
- dvb_delay (fe->info->notifier_delay);
+ msleep (fe->info->notifier_delay);
fe->status = s;
- if (!(s & FE_HAS_LOCK) && (fe->info->caps & FE_CAN_MUTE_TS))
- return;
-
/**
* now tell the Demux about the TS status changes...
*/
{
struct dvb_frontend *frontend = &fe->frontend;
- dprintk ("DVB: initialising frontend %i:%i (%s)...\n",
- frontend->i2c->adapter->num, frontend->i2c->id,
+ dprintk ("DVB: initialising frontend %i (%s)...\n",
+ frontend->dvb_adapter->num,
fe->info->name);
dvb_frontend_internal_ioctl (frontend, FE_INIT, NULL);
int original_inversion = fe->parameters.inversion;
u32 original_frequency = fe->parameters.frequency;
- // are we using autoinversion?
- autoinversion = ((!(fe->info->caps & FE_CAN_INVERSION_AUTO)) && (fe->parameters.inversion == INVERSION_AUTO));
+ /* are we using autoinversion? */
+ autoinversion = ((!(fe->info->caps & FE_CAN_INVERSION_AUTO)) &&
+ (fe->parameters.inversion == INVERSION_AUTO));
- // setup parameters correctly
+ /* setup parameters correctly */
while(!ready) {
- // calculate the lnb_drift
+ /* calculate the lnb_drift */
fe->lnb_drift = fe->auto_step * fe->step_size;
- // wrap the auto_step if we've exceeded the maximum drift
+ /* wrap the auto_step if we've exceeded the maximum drift */
if (fe->lnb_drift > fe->max_drift) {
fe->auto_step = 0;
fe->auto_sub_step = 0;
fe->lnb_drift = 0;
}
- // perform inversion and +/- zigzag
+ /* perform inversion and +/- zigzag */
switch(fe->auto_sub_step) {
case 0:
- // try with the current inversion and current drift setting
+ /* try with the current inversion and current drift setting */
ready = 1;
break;
default:
fe->auto_step++;
- fe->auto_sub_step = -1; // it'll be incremented to 0 in a moment
+ fe->auto_sub_step = -1; /* it'll be incremented to 0 in a moment */
break;
}
if (!ready) fe->auto_sub_step++;
}
- // if this attempt would hit where we started, indicate a complete iteration has occurred
- if ((fe->auto_step == fe->started_auto_step) && (fe->auto_sub_step == 0) && check_wrapped) {
+ /* if this attempt would hit where we started, indicate a complete
+ * iteration has occurred */
+ if ((fe->auto_step == fe->started_auto_step) &&
+ (fe->auto_sub_step == 0) && check_wrapped) {
return 1;
}
- // perform frequency bending if necessary
+ /* perform frequency bending if necessary */
if ((dvb_override_frequency_bending != 1) && do_frequency_bending)
dvb_bend_frequency(fe, 0);
- // instrumentation
- dprintk("%s: drift:%i bending:%i inversion:%i auto_step:%i auto_sub_step:%i started_auto_step:%i\n",
- __FUNCTION__, fe->lnb_drift, fe->bending, fe->inversion, fe->auto_step, fe->auto_sub_step,
- fe->started_auto_step);
+ dprintk("%s: drift:%i bending:%i inversion:%i auto_step:%i "
+ "auto_sub_step:%i started_auto_step:%i\n",
+ __FUNCTION__, fe->lnb_drift, fe->bending, fe->inversion,
+ fe->auto_step, fe->auto_sub_step, fe->started_auto_step);
- // set the frontend itself
+ /* set the frontend itself */
fe->parameters.frequency += fe->lnb_drift + fe->bending;
if (autoinversion) fe->parameters.inversion = fe->inversion;
dvb_frontend_internal_ioctl (&fe->frontend, FE_SET_FRONTEND, &fe->parameters);
fe->parameters.frequency = original_frequency;
fe->parameters.inversion = original_inversion;
- // normal return
fe->auto_sub_step++;
return 0;
}
dprintk ("%s\n", __FUNCTION__);
- snprintf (name, sizeof(name), "kdvb-fe-%i:%i",
- fe->frontend.i2c->adapter->num, fe->frontend.i2c->id);
+ snprintf (name, sizeof(name), "kdvb-fe-%i",
+ fe->frontend.dvb_adapter->num);
- dvb_kernel_thread_setup (name);
+ lock_kernel ();
+ daemonize (name);
+ sigfillset (¤t->blocked);
+ unlock_kernel ();
dvb_call_frontend_notifiers (fe, 0);
dvb_frontend_init (fe);
if (down_interruptible (&fe->sem))
break;
- // if we've got no parameters, just keep idling
+ /* if we've got no parameters, just keep idling */
if (fe->state & FESTATE_IDLE) {
delay = 3*HZ;
quality = 0;
continue;
}
- // get the frontend status
+ /* get the frontend status */
+ if (fe->state & FESTATE_RETUNE) {
+ s = 0;
+ } else {
dvb_frontend_internal_ioctl (&fe->frontend, FE_READ_STATUS, &s);
- if (s != fe->status)
+ if (s != fe->status) {
dvb_frontend_add_event (fe, s);
-
- // if we're not tuned, and we have a lock, move to the TUNED state
+ }
+ }
+ /* if we're not tuned, and we have a lock, move to the TUNED state */
if ((fe->state & FESTATE_WAITFORLOCK) && (s & FE_HAS_LOCK)) {
update_delay(&quality, &delay, fe->min_delay, s & FE_HAS_LOCK);
fe->state = FESTATE_TUNED;
- // if we're tuned, then we have determined the correct inversion
- if ((!(fe->info->caps & FE_CAN_INVERSION_AUTO)) && (fe->parameters.inversion == INVERSION_AUTO)) {
+ /* if we're tuned, then we have determined the correct inversion */
+ if ((!(fe->info->caps & FE_CAN_INVERSION_AUTO)) &&
+ (fe->parameters.inversion == INVERSION_AUTO)) {
fe->parameters.inversion = fe->inversion;
}
continue;
}
- // if we are tuned already, check we're still locked
+ /* if we are tuned already, check we're still locked */
if (fe->state & FESTATE_TUNED) {
update_delay(&quality, &delay, fe->min_delay, s & FE_HAS_LOCK);
- // we're tuned, and the lock is still good...
- if (s & FE_HAS_LOCK) {
+ /* 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,
+ * need to zigzag */
fe->state = FESTATE_ZIGZAG_FAST;
fe->started_auto_step = fe->auto_step;
check_wrapped = 0;
- // fallthrough
}
}
- // don't actually do anything if we're in the LOSTLOCK state, the frontend is set to
- // FE_CAN_RECOVER, and the max_drift is 0
+ /* don't actually do anything if we're in the LOSTLOCK state,
+ * the frontend is set to FE_CAN_RECOVER, and the max_drift is 0 */
if ((fe->state & FESTATE_LOSTLOCK) &&
(fe->info->caps & FE_CAN_RECOVER) && (fe->max_drift == 0)) {
update_delay(&quality, &delay, fe->min_delay, s & FE_HAS_LOCK);
continue;
}
- // don't do anything if we're in the DISEQC state, since this might be someone
- // with a motorized dish controlled by DISEQC. If its actually a re-tune, there will
- // be a SET_FRONTEND soon enough.
+ /* don't do anything if we're in the DISEQC state, since this
+ * might be someone with a motorized dish controlled by DISEQC.
+ * If its actually a re-tune, there will be a SET_FRONTEND soon enough. */
if (fe->state & FESTATE_DISEQC) {
update_delay(&quality, &delay, fe->min_delay, s & FE_HAS_LOCK);
continue;
}
- // if we're in the RETUNE state, set everything up for a brand new scan,
- // keeping the current inversion setting, as the next tune is _very_ likely
- // to require the same
+ /* if we're in the RETUNE state, set everything up for a brand
+ * new scan, keeping the current inversion setting, as the next
+ * tune is _very_ likely to require the same */
if (fe->state & FESTATE_RETUNE) {
fe->lnb_drift = 0;
fe->auto_step = 0;
check_wrapped = 0;
}
- // fast zigzag.
+ /* fast zigzag. */
if ((fe->state & FESTATE_SEARCHING_FAST) || (fe->state & FESTATE_RETUNE)) {
delay = fe->min_delay;
- // peform a tune
+ /* peform a tune */
if (dvb_frontend_autotune(fe, check_wrapped)) {
- // OK, if we've run out of trials at the fast speed. Drop back to
- // slow for the _next_ attempt
+ /* OK, if we've run out of trials at the fast speed.
+ * Drop back to slow for the _next_ attempt */
fe->state = FESTATE_SEARCHING_SLOW;
fe->started_auto_step = fe->auto_step;
continue;
}
check_wrapped = 1;
- // if we've just retuned, enter the ZIGZAG_FAST state. This ensures
- // we cannot return from an FE_SET_FRONTEND ioctl before the first frontend
- // tune occurs
+ /* if we've just retuned, enter the ZIGZAG_FAST state.
+ * This ensures we cannot return from an
+ * FE_SET_FRONTEND ioctl before the first frontend tune
+ * occurs */
if (fe->state & FESTATE_RETUNE) {
fe->state = FESTATE_TUNING_FAST;
wake_up_interruptible(&fe->wait_queue);
}
}
- // slow zigzag
+ /* slow zigzag */
if (fe->state & FESTATE_SEARCHING_SLOW) {
update_delay(&quality, &delay, fe->min_delay, s & FE_HAS_LOCK);
- // Note: don't bother checking for wrapping; we stay in this state
- // until we get a lock
+ /* Note: don't bother checking for wrapping; we stay in this
+ * state until we get a lock */
dvb_frontend_autotune(fe, 0);
}
};
if (dvb_shutdown_timeout)
dvb_frontend_internal_ioctl (&fe->frontend, FE_SLEEP, NULL);
- up (&fe->sem);
-
fe->thread_pid = 0;
mb();
if (!fe || !fe->frontend.ioctl || fe->exit)
return -ENODEV;
+ if ((file->f_flags & O_ACCMODE) == O_RDONLY &&
+ (_IOC_DIR(cmd) != _IOC_READ || cmd == FE_GET_EVENT ||
+ cmd == FE_DISEQC_RECV_SLAVE_REPLY))
+ return -EPERM;
+
if (down_interruptible (&fe->sem))
return -ERESTARTSYS;
case FE_DISEQC_SEND_MASTER_CMD:
case FE_DISEQC_SEND_BURST:
case FE_SET_TONE:
+ case FE_SET_VOLTAGE:
if (fe->status)
dvb_call_frontend_notifiers (fe, 0);
dvb_frontend_internal_ioctl (&fe->frontend, cmd, parg);
memcpy(&fetunesettings.parameters, parg,
sizeof (struct dvb_frontend_parameters));
- // force auto frequency inversion if requested
+ /* force auto frequency inversion if requested */
if (dvb_force_auto_inversion) {
fe->parameters.inversion = INVERSION_AUTO;
fetunesettings.parameters.inversion = INVERSION_AUTO;
}
- // get frontend-specific tuning settings
- if (dvb_frontend_internal_ioctl(&fe->frontend, FE_GET_TUNE_SETTINGS, &fetunesettings) == 0) {
+ /* get frontend-specific tuning settings */
+ if (dvb_frontend_internal_ioctl(&fe->frontend, FE_GET_TUNE_SETTINGS,
+ &fetunesettings) == 0) {
fe->min_delay = (fetunesettings.min_delay_ms * HZ) / 1000;
fe->max_drift = fetunesettings.max_drift;
fe->step_size = fetunesettings.step_size;
} else {
- // default values
+ /* default values */
switch(fe->info->type) {
case FE_QPSK:
- fe->min_delay = HZ/20; // default mindelay of 50ms
+ fe->min_delay = HZ/20;
fe->step_size = fe->parameters.u.qpsk.symbol_rate / 16000;
fe->max_drift = fe->parameters.u.qpsk.symbol_rate / 2000;
break;
case FE_QAM:
- fe->min_delay = HZ/20; // default mindelay of 50ms
- fe->step_size = 0;
- fe->max_drift = 0; // don't want any zigzagging under DVB-C frontends
+ fe->min_delay = HZ/20;
+ fe->step_size = 0; /* no zigzag */
+ fe->max_drift = 0;
break;
case FE_OFDM:
- fe->min_delay = HZ/20; // default mindelay of 50ms
+ fe->min_delay = HZ/20;
fe->step_size = fe->info->frequency_stepsize * 2;
fe->max_drift = (fe->info->frequency_stepsize * 2) + 1;
break;
+ case FE_ATSC:
+ printk("dvb-core: FE_ATSC not handled yet.\n");
+ break;
}
}
if (dvb_override_tune_delay > 0) {
fe->min_delay = (dvb_override_tune_delay * HZ) / 1000;
}
+ dvb_frontend_wakeup(fe);
dvb_frontend_add_event (fe, 0);
break;
if (err < 0)
return err;
- // Force the CAN_INVERSION_AUTO bit on. If the frontend doesn't do it, it is done for it.
+ /* Force the CAN_INVERSION_AUTO bit on. If the frontend doesn't
+ * do it, it is done for it. */
if ((cmd == FE_GET_INFO) && (err == 0)) {
struct dvb_frontend_info* tmp = (struct dvb_frontend_info*) parg;
tmp->caps |= FE_CAN_INVERSION_AUTO;
}
- // if the frontend has just been set, wait until the first tune has finished.
- // This ensures the app doesn't start reading data too quickly, perhaps from the
- // previous lock, which is REALLY CONFUSING TO DEBUG!
- if ((cmd == FE_SET_FRONTEND) && (err == 0)) {
- dvb_frontend_wakeup(fe);
- err = wait_event_interruptible(fe->wait_queue, fe->state & ~FESTATE_RETUNE);
- }
-
return err;
}
fe->events.eventr = fe->events.eventw = 0;
}
+ if (!ret && fe->module) {
+ if (!try_module_get(fe->module))
+ return -EINVAL;
+ }
+
return ret;
}
{
struct dvb_device *dvbdev = file->private_data;
struct dvb_frontend_data *fe = dvbdev->priv;
+ int ret = 0;
dprintk ("%s\n", __FUNCTION__);
if ((file->f_flags & O_ACCMODE) != O_RDONLY)
fe->release_jiffies = jiffies;
- return dvb_generic_release (inode, file);
+ ret = dvb_generic_release (inode, file);
+
+ if (!ret && fe->module)
+ module_put(fe->module);
+
+ return ret;
}
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.i2c->adapter == adapter &&
+ if (fe->frontend.dvb_adapter == adapter &&
fe->frontend.before_ioctl == NULL &&
fe->frontend.after_ioctl == NULL)
{
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.i2c->adapter == adapter &&
+ if (fe->frontend.dvb_adapter == adapter &&
fe->frontend.before_ioctl == before_ioctl &&
fe->frontend.after_ioctl == after_ioctl)
{
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.i2c->adapter == adapter &&
+ if (fe->frontend.dvb_adapter == adapter &&
fe->frontend.notifier_callback == NULL)
{
fe->frontend.notifier_callback = callback;
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.i2c->adapter == adapter &&
+ if (fe->frontend.dvb_adapter == adapter &&
fe->frontend.notifier_callback == callback)
{
fe->frontend.notifier_callback = NULL;
int
dvb_register_frontend (int (*ioctl) (struct dvb_frontend *frontend,
unsigned int cmd, void *arg),
- struct dvb_i2c_bus *i2c,
+ struct dvb_adapter *dvb_adapter,
void *data,
- struct dvb_frontend_info *info)
+ struct dvb_frontend_info *info,
+ struct module *module)
{
struct list_head *entry;
struct dvb_frontend_data *fe;
init_MUTEX (&fe->events.sem);
fe->events.eventw = fe->events.eventr = 0;
fe->events.overflow = 0;
+ fe->module = module;
fe->frontend.ioctl = ioctl;
- fe->frontend.i2c = i2c;
+ fe->frontend.dvb_adapter = dvb_adapter;
fe->frontend.data = data;
fe->info = info;
fe->inversion = INVERSION_OFF;
struct dvb_frontend_ioctl_data,
list_head);
- if (ioctl->adapter == i2c->adapter) {
+ if (ioctl->adapter == dvb_adapter) {
fe->frontend.before_ioctl = ioctl->before_ioctl;
fe->frontend.after_ioctl = ioctl->after_ioctl;
fe->frontend.before_after_data = ioctl->before_after_data;
struct dvb_frontend_notifier_data,
list_head);
- if (notifier->adapter == i2c->adapter) {
+ if (notifier->adapter == dvb_adapter) {
fe->frontend.notifier_callback = notifier->callback;
fe->frontend.notifier_data = notifier->data;
break;
list_add_tail (&fe->list_head, &frontend_list);
- printk ("DVB: registering frontend %i:%i (%s)...\n",
- fe->frontend.i2c->adapter->num, fe->frontend.i2c->id,
+ printk ("DVB: registering frontend %i (%s)...\n",
+ fe->frontend.dvb_adapter->num,
fe->info->name);
- dvb_register_device (i2c->adapter, &fe->dvbdev, &dvbdev_template,
+ dvb_register_device (dvb_adapter, &fe->dvbdev, &dvbdev_template,
fe, DVB_DEVICE_FRONTEND);
if ((info->caps & FE_NEEDS_BENDING) || (dvb_override_frequency_bending == 2))
return 0;
}
-
-int dvb_unregister_frontend (int (*ioctl) (struct dvb_frontend *frontend,
+int dvb_unregister_frontend_new (int (*ioctl) (struct dvb_frontend *frontend,
unsigned int cmd, void *arg),
- struct dvb_i2c_bus *i2c)
+ struct dvb_adapter *dvb_adapter)
{
struct list_head *entry, *n;
fe = list_entry (entry, struct dvb_frontend_data, list_head);
- if (fe->frontend.ioctl == ioctl && fe->frontend.i2c == i2c) {
+ if (fe->frontend.ioctl == ioctl && fe->frontend.dvb_adapter == dvb_adapter) {
dvb_unregister_device (fe->dvbdev);
list_del (entry);
up (&frontend_mutex);
return -EINVAL;
}
-MODULE_PARM(dvb_frontend_debug,"i");
-MODULE_PARM(dvb_shutdown_timeout,"i");
-MODULE_PARM(dvb_override_frequency_bending,"i");
-MODULE_PARM(dvb_force_auto_inversion,"i");
-MODULE_PARM(dvb_override_tune_delay,"i");
-
-MODULE_PARM_DESC(dvb_frontend_debug, "enable verbose debug messages");
-MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware");
-MODULE_PARM_DESC(dvb_override_frequency_bending, "0: normal (default), 1: never use frequency bending, 2: always use frequency bending");
-MODULE_PARM_DESC(dvb_force_auto_inversion, "0: normal (default), 1: INVERSION_AUTO forced always");
-MODULE_PARM_DESC(dvb_override_tune_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/delay.h>
#include <linux/dvb/frontend.h>
-#include "dvb_i2c.h"
#include "dvbdev.h"
-
-
+/* FIXME: Move to i2c-id.h */
+#define I2C_DRIVERID_DVBFE_ALPS_TDLB7 I2C_DRIVERID_EXP2
+#define I2C_DRIVERID_DVBFE_ALPS_TDMB7 I2C_DRIVERID_EXP2
+#define I2C_DRIVERID_DVBFE_AT76C651 I2C_DRIVERID_EXP2
+#define I2C_DRIVERID_DVBFE_CX24110 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
/**
* when before_ioctl is registered and returns value 0, ioctl and after_ioctl
int (*ioctl) (struct dvb_frontend *frontend, unsigned int cmd, void *arg);
int (*after_ioctl) (struct dvb_frontend *frontend, unsigned int cmd, void *arg);
void (*notifier_callback) (fe_status_t s, void *data);
- struct dvb_i2c_bus *i2c;
+ struct dvb_adapter *dvb_adapter;
void *before_after_data; /* can be used by hardware module... */
void *notifier_data; /* can be used by hardware module... */
void *data; /* can be used by hardware module... */
#define FE_SLEEP _IO('v', 80)
#define FE_INIT _IO('v', 81)
#define FE_GET_TUNE_SETTINGS _IOWR('v', 83, struct dvb_frontend_tune_settings)
-
+#define FE_REGISTER _IO ('v', 84)
+#define FE_UNREGISTER _IO ('v', 85)
extern int
dvb_register_frontend (int (*ioctl) (struct dvb_frontend *frontend,
unsigned int cmd, void *arg),
- struct dvb_i2c_bus *i2c,
+ struct dvb_adapter *dvb_adapter,
void *data,
- struct dvb_frontend_info *info);
+ struct dvb_frontend_info *info,
+ struct module *module);
extern int
-dvb_unregister_frontend (int (*ioctl) (struct dvb_frontend *frontend,
+dvb_unregister_frontend_new (int (*ioctl) (struct dvb_frontend *frontend,
unsigned int cmd, void *arg),
- struct dvb_i2c_bus *i2c);
+ struct dvb_adapter *dvb_adapter);
/**
+++ /dev/null
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/ioctl.h>
-#include <linux/slab.h>
-#include <linux/smp_lock.h>
-#include <asm/uaccess.h>
-
-void dvb_kernel_thread_setup (const char *thread_name)
-{
- lock_kernel ();
-
- daemonize (thread_name);
-
- sigfillset (¤t->blocked);
-
- unlock_kernel ();
-}
-
-/* if the miracle happens and "generic_usercopy()" is included into
- the kernel, then this can vanish. please don't make the mistake and
- define this as video_usercopy(). this will introduce a dependecy
- to the v4l "videodev.o" module, which is unnecessary for some
- cards (ie. the budget dvb-cards don't need the v4l module...) */
-int dvb_usercopy(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg,
- int (*func)(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg))
-{
- char sbuf[128];
- void *mbuf = NULL;
- void *parg = NULL;
- int err = -EINVAL;
-
- /* Copy arguments into temp kernel buffer */
- switch (_IOC_DIR(cmd)) {
- case _IOC_NONE:
- /*
- * For this command, the pointer is actually an integer
- * argument.
- */
- parg = (void *) arg;
- break;
- case _IOC_READ: /* some v4l ioctls are marked wrong ... */
- case _IOC_WRITE:
- case (_IOC_WRITE | _IOC_READ):
- if (_IOC_SIZE(cmd) <= sizeof(sbuf)) {
- parg = sbuf;
- } else {
- /* too big to allocate from stack */
- mbuf = kmalloc(_IOC_SIZE(cmd),GFP_KERNEL);
- if (NULL == mbuf)
- return -ENOMEM;
- parg = mbuf;
- }
-
- err = -EFAULT;
- if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
- goto out;
- break;
- }
-
- /* call driver */
- if ((err = func(inode, file, cmd, parg)) == -ENOIOCTLCMD)
- err = -EINVAL;
-
- if (err < 0)
- goto out;
-
- /* Copy results into user buffer */
- switch (_IOC_DIR(cmd))
- {
- case _IOC_READ:
- case (_IOC_WRITE | _IOC_READ):
- if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
- err = -EFAULT;
- break;
- }
-
-out:
- if (mbuf)
- kfree(mbuf);
-
- return err;
-}
-
-EXPORT_SYMBOL(dvb_usercopy);
-EXPORT_SYMBOL(dvb_kernel_thread_setup);
+++ /dev/null
-/*
- * dvb_functions.h: isolate some Linux specific stuff from the dvb-core
- * that can't be expressed as a one-liner
- * in order to make porting to other environments easier
- *
- * Copyright (C) 2003 Convergence GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Lesser Public License
- * as published by the Free Software Foundation; either version 2.1
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
-#ifndef __DVB_FUNCTIONS_H__
-#define __DVB_FUNCTIONS_H__
-
-/**
- * a sleeping delay function, waits i ms
- *
- */
-static inline
-void dvb_delay(int i)
-{
- current->state=TASK_INTERRUPTIBLE;
- schedule_timeout((HZ*i)/1000);
-}
-
-/* we don't mess with video_usercopy() any more,
-we simply define out own dvb_usercopy(), which will hopefull become
-generic_usercopy() someday... */
-
-extern int dvb_usercopy(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg,
- int (*func)(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg));
-
-extern void dvb_kernel_thread_setup (const char *thread_name);
-
-#endif
-
+++ /dev/null
-/*
- * dvb_i2c.h: simplified i2c interface for DVB adapters to get rid of i2c-core.c
- *
- * Copyright (C) 2002 Holger Waechtler for convergence integrated media GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <asm/semaphore.h>
-
-#include "dvb_i2c.h"
-#include "dvb_functions.h"
-
-
-struct dvb_i2c_device {
- struct list_head list_head;
- struct module *owner;
- int (*attach) (struct dvb_i2c_bus *i2c, void **data);
- void (*detach) (struct dvb_i2c_bus *i2c, void *data);
- void *data;
-};
-
-LIST_HEAD(dvb_i2c_buslist);
-LIST_HEAD(dvb_i2c_devicelist);
-
-DECLARE_MUTEX(dvb_i2c_mutex);
-
-static int register_i2c_client (struct dvb_i2c_bus *i2c, struct dvb_i2c_device *dev)
-{
- struct dvb_i2c_device *client;
-
- if (!(client = kmalloc (sizeof (struct dvb_i2c_device), GFP_KERNEL)))
- return -ENOMEM;
-
- client->detach = dev->detach;
- client->owner = dev->owner;
- client->data = dev->data;
-
- INIT_LIST_HEAD(&client->list_head);
-
- list_add_tail (&client->list_head, &i2c->client_list);
-
- return 0;
-}
-
-
-static void try_attach_device (struct dvb_i2c_bus *i2c, struct dvb_i2c_device *dev)
-{
- if (dev->owner) {
- if (!try_module_get(dev->owner))
- return;
- }
-
- if (dev->attach (i2c, &dev->data) == 0) {
- register_i2c_client (i2c, dev);
- } else {
- if (dev->owner)
- module_put (dev->owner);
- }
-}
-
-
-static void detach_device (struct dvb_i2c_bus *i2c, struct dvb_i2c_device *dev)
-{
- dev->detach (i2c, dev->data);
-
- if (dev->owner)
- module_put (dev->owner);
-}
-
-
-static void unregister_i2c_client_from_bus (struct dvb_i2c_device *dev,
- struct dvb_i2c_bus *i2c)
-{
- struct list_head *entry, *n;
-
- list_for_each_safe (entry, n, &i2c->client_list) {
- struct dvb_i2c_device *client;
-
- client = list_entry (entry, struct dvb_i2c_device, list_head);
-
- if (client->detach == dev->detach) {
- list_del (entry);
- detach_device (i2c, dev);
- }
- }
-}
-
-
-static void unregister_i2c_client_from_all_busses (struct dvb_i2c_device *dev)
-{
- struct list_head *entry, *n;
-
- list_for_each_safe (entry, n, &dvb_i2c_buslist) {
- struct dvb_i2c_bus *i2c;
-
- i2c = list_entry (entry, struct dvb_i2c_bus, list_head);
-
- unregister_i2c_client_from_bus (dev, i2c);
- }
-}
-
-
-static void unregister_all_clients_from_bus (struct dvb_i2c_bus *i2c)
-{
- struct list_head *entry, *n;
-
- list_for_each_safe (entry, n, &(i2c->client_list)) {
- struct dvb_i2c_device *dev;
-
- dev = list_entry (entry, struct dvb_i2c_device, list_head);
-
- unregister_i2c_client_from_bus (dev, i2c);
- }
-}
-
-
-static void probe_device_on_all_busses (struct dvb_i2c_device *dev)
-{
- struct list_head *entry;
-
- list_for_each (entry, &dvb_i2c_buslist) {
- struct dvb_i2c_bus *i2c;
-
- i2c = list_entry (entry, struct dvb_i2c_bus, list_head);
-
- try_attach_device (i2c, dev);
- }
-}
-
-
-static void probe_devices_on_bus (struct dvb_i2c_bus *i2c)
-{
- struct list_head *entry;
-
- list_for_each (entry, &dvb_i2c_devicelist) {
- struct dvb_i2c_device *dev;
-
- dev = list_entry (entry, struct dvb_i2c_device, list_head);
-
- try_attach_device (i2c, dev);
- }
-}
-
-
-static struct dvb_i2c_bus* dvb_find_i2c_bus (int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg msgs[],
- int num),
- struct dvb_adapter *adapter,
- int id)
-{
- struct list_head *entry;
-
- list_for_each (entry, &dvb_i2c_buslist) {
- struct dvb_i2c_bus *i2c;
-
- i2c = list_entry (entry, struct dvb_i2c_bus, list_head);
-
- if (i2c->xfer == xfer && i2c->adapter == adapter && i2c->id == id)
- return i2c;
- }
-
- return NULL;
-}
-
-
-struct dvb_i2c_bus*
-dvb_register_i2c_bus (int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg *msgs, int num),
- void *data, struct dvb_adapter *adapter, int id)
-{
- struct dvb_i2c_bus *i2c;
-
- if (down_interruptible (&dvb_i2c_mutex))
- return NULL;
-
- if (!(i2c = kmalloc (sizeof (struct dvb_i2c_bus), GFP_KERNEL))) {
- up (&dvb_i2c_mutex);
- return NULL;
- }
-
- INIT_LIST_HEAD(&i2c->list_head);
- INIT_LIST_HEAD(&i2c->client_list);
-
- i2c->xfer = xfer;
- i2c->data = data;
- i2c->adapter = adapter;
- i2c->id = id;
-
- probe_devices_on_bus (i2c);
-
- list_add_tail (&i2c->list_head, &dvb_i2c_buslist);
-
- up (&dvb_i2c_mutex);
-
- return i2c;
-}
-
-
-void dvb_unregister_i2c_bus (int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg msgs[], int num),
- struct dvb_adapter *adapter, int id)
-{
- struct dvb_i2c_bus *i2c;
-
- down (&dvb_i2c_mutex);
-
- if ((i2c = dvb_find_i2c_bus (xfer, adapter, id))) {
- unregister_all_clients_from_bus (i2c);
- list_del (&i2c->list_head);
- kfree (i2c);
- }
-
- up (&dvb_i2c_mutex);
-}
-
-
-int dvb_register_i2c_device (struct module *owner,
- int (*attach) (struct dvb_i2c_bus *i2c, void **data),
- void (*detach) (struct dvb_i2c_bus *i2c, void *data))
-{
- struct dvb_i2c_device *entry;
-
- if (down_interruptible (&dvb_i2c_mutex))
- return -ERESTARTSYS;
-
- if (!(entry = kmalloc (sizeof (struct dvb_i2c_device), GFP_KERNEL))) {
- up(&dvb_i2c_mutex);
- return -ENOMEM;
- }
-
- entry->owner = owner;
- entry->attach = attach;
- entry->detach = detach;
-
- INIT_LIST_HEAD(&entry->list_head);
-
- probe_device_on_all_busses (entry);
-
- list_add_tail (&entry->list_head, &dvb_i2c_devicelist);
-
- up (&dvb_i2c_mutex);
-
- return 0;
-}
-
-
-int dvb_unregister_i2c_device (int (*attach) (struct dvb_i2c_bus *i2c, void **data))
-{
- struct list_head *entry, *n;
-
- down (&dvb_i2c_mutex);
-
- list_for_each_safe (entry, n, &dvb_i2c_devicelist) {
- struct dvb_i2c_device *dev;
-
- dev = list_entry (entry, struct dvb_i2c_device, list_head);
-
- if (dev->attach == attach) {
- list_del (entry);
- unregister_i2c_client_from_all_busses (dev);
- kfree (entry);
- up (&dvb_i2c_mutex);
- return 0;
- }
- }
-
- up (&dvb_i2c_mutex);
-
- return -EINVAL;
-}
-
-
+++ /dev/null
-/*
- * dvb_i2c.h: i2c interface to get rid of i2c-core.c
- *
- * Copyright (C) 2002 Holger Waechtler for convergence integrated media GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _DVB_I2C_H_
-#define _DVB_I2C_H_
-
-#include <linux/list.h>
-#include <linux/i2c.h>
-
-#include "dvbdev.h"
-
-
-struct dvb_i2c_bus {
- struct list_head list_head;
- int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg msgs[],
- int num);
- void *data;
- struct dvb_adapter *adapter;
- int id;
- struct list_head client_list;
-};
-
-
-extern struct dvb_i2c_bus*
-dvb_register_i2c_bus (int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg *msgs, int num),
- void *data,
- struct dvb_adapter *adapter,
- int id);
-
-extern
-void dvb_unregister_i2c_bus (int (*xfer) (struct dvb_i2c_bus *i2c,
- const struct i2c_msg msgs[], int num),
- struct dvb_adapter *adapter,
- int id);
-
-
-extern int dvb_register_i2c_device (struct module *owner,
- int (*attach) (struct dvb_i2c_bus *i2c, void **data),
- void (*detach) (struct dvb_i2c_bus *i2c, void *data));
-
-extern int dvb_unregister_i2c_device (int (*attach) (struct dvb_i2c_bus *i2c, void **data));
-
-#endif
-
EXPORT_SYMBOL(dvbdmx_disconnect_frontend);
EXPORT_SYMBOL(dvb_register_frontend);
-EXPORT_SYMBOL(dvb_unregister_frontend);
+EXPORT_SYMBOL(dvb_unregister_frontend_new);
EXPORT_SYMBOL(dvb_add_frontend_ioctls);
EXPORT_SYMBOL(dvb_remove_frontend_ioctls);
EXPORT_SYMBOL(dvb_add_frontend_notifier);
EXPORT_SYMBOL(dvb_remove_frontend_notifier);
-EXPORT_SYMBOL(dvb_register_i2c_bus);
-EXPORT_SYMBOL(dvb_unregister_i2c_bus);
-EXPORT_SYMBOL(dvb_register_i2c_device);
-EXPORT_SYMBOL(dvb_unregister_i2c_device);
-
EXPORT_SYMBOL(dvb_net_init);
EXPORT_SYMBOL(dvb_net_release);
#include "dvb_demux.h"
#include "dvb_net.h"
-#include "dvb_functions.h"
-
static inline __u32 iov_crc32( __u32 c, struct kvec *iov, unsigned int cnt )
{
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/device.h>
#include "dvbdev.h"
-#include "dvb_functions.h"
-static int dvbdev_debug = 0;
+static int dvbdev_debug;
+
+module_param(dvbdev_debug, int, 0644);
+MODULE_PARM_DESC(dvbdev_debug, "Turn on/off device debugging (default:off).");
+
#define dprintk if (dvbdev_debug) printk
static LIST_HEAD(dvb_adapter_list);
static DECLARE_MUTEX(dvbdev_register_lock);
-
-static char *dnames[] = {
+static const char * const dnames[] = {
"video", "audio", "sec", "frontend", "demux", "dvr", "ca",
"net", "osd"
};
#define DVB_MAX_IDS 4
#define nums2minor(num,type,id) ((num << 6) | (id << 4) | type)
+struct class_simple *dvb_class;
+EXPORT_SYMBOL(dvb_class);
+
static struct dvb_device* dvbdev_find_device (int minor)
{
struct list_head *entry;
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);
+
dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",
adap->num, dnames[type], id, nums2minor(adap->num, type, id),
nums2minor(adap->num, type, id));
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,
+ dvbdev->type, dvbdev->id)));
+
list_del(&dvbdev->list_head);
kfree(dvbdev);
}
int dvb_unregister_adapter(struct dvb_adapter *adap)
{
+ devfs_remove("dvb/adapter%d", adap->num);
+
if (down_interruptible (&dvbdev_register_lock))
return -ERESTARTSYS;
- devfs_remove("dvb/adapter%d", adap->num);
list_del (&adap->list_head);
up (&dvbdev_register_lock);
kfree (adap);
return 0;
}
+/* if the miracle happens and "generic_usercopy()" is included into
+ the kernel, then this can vanish. please don't make the mistake and
+ define this as video_usercopy(). this will introduce a dependecy
+ to the v4l "videodev.o" module, which is unnecessary for some
+ cards (ie. the budget dvb-cards don't need the v4l module...) */
+int dvb_usercopy(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg,
+ int (*func)(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg))
+{
+ char sbuf[128];
+ void *mbuf = NULL;
+ void *parg = NULL;
+ int err = -EINVAL;
+
+ /* Copy arguments into temp kernel buffer */
+ switch (_IOC_DIR(cmd)) {
+ case _IOC_NONE:
+ /*
+ * For this command, the pointer is actually an integer
+ * argument.
+ */
+ parg = (void *) arg;
+ break;
+ case _IOC_READ: /* some v4l ioctls are marked wrong ... */
+ case _IOC_WRITE:
+ case (_IOC_WRITE | _IOC_READ):
+ if (_IOC_SIZE(cmd) <= sizeof(sbuf)) {
+ parg = sbuf;
+ } else {
+ /* too big to allocate from stack */
+ mbuf = kmalloc(_IOC_SIZE(cmd),GFP_KERNEL);
+ if (NULL == mbuf)
+ return -ENOMEM;
+ parg = mbuf;
+ }
+
+ err = -EFAULT;
+ if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
+ goto out;
+ break;
+ }
+
+ /* call driver */
+ if ((err = func(inode, file, cmd, parg)) == -ENOIOCTLCMD)
+ err = -EINVAL;
+
+ if (err < 0)
+ goto out;
+
+ /* Copy results into user buffer */
+ switch (_IOC_DIR(cmd))
+ {
+ case _IOC_READ:
+ case (_IOC_WRITE | _IOC_READ):
+ if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
+ err = -EFAULT;
+ break;
+ }
+
+out:
+ if (mbuf)
+ kfree(mbuf);
+
+ return err;
+}
static int __init init_dvbdev(void)
{
int retval;
+
+ if ((retval = register_chrdev(DVB_MAJOR,"DVB", &dvb_device_fops)))
+ printk("dvb-core: unable to get major %d\n", DVB_MAJOR);
+
devfs_mk_dir("dvb");
- retval = register_chrdev(DVB_MAJOR,"DVB", &dvb_device_fops);
- if (retval)
- printk("video_dev: unable to get major %d\n", DVB_MAJOR);
+ dvb_class = class_simple_create(THIS_MODULE, "dvb");
+ if (IS_ERR(dvb_class))
+ return PTR_ERR(dvb_class);
return retval;
}
{
unregister_chrdev(DVB_MAJOR, "DVB");
devfs_remove("dvb");
+ class_simple_destroy(dvb_class);
}
module_init(init_dvbdev);
MODULE_AUTHOR("Marcus Metzler, Ralph Metzler, Holger Waechtler");
MODULE_LICENSE("GPL");
-MODULE_PARM(dvbdev_debug,"i");
-MODULE_PARM_DESC(dvbdev_debug, "enable verbose debug messages");
-
#include <linux/fs.h>
#include <linux/list.h>
#include <linux/devfs_fs_kernel.h>
+#include <linux/smp_lock.h>
#define DVB_MAJOR 212
extern int dvb_generic_release (struct inode *inode, struct file *file);
extern int dvb_generic_ioctl (struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);
+
+/* we don't mess with video_usercopy() any more,
+we simply define out own dvb_usercopy(), which will hopefully become
+generic_usercopy() someday... */
+
+extern int dvb_usercopy(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg,
+ int (*func)(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg));
+
#endif /* #ifndef _DVBDEV_H_ */
typedef enum fe_type {
FE_QPSK,
FE_QAM,
- FE_OFDM
+ FE_OFDM,
+ FE_ATSC
} fe_type_t;
FE_CAN_BANDWIDTH_AUTO = 0x40000,
FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
FE_CAN_HIERARCHY_AUTO = 0x100000,
+ FE_CAN_8VSB = 0x200000,
+ FE_CAN_16VSB = 0x400000,
FE_NEEDS_BENDING = 0x20000000, // frontend requires frequency bending
FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically
FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output
projects / linux / commitdiff