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yaml
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r: 273596
b: refs/heads/master
c: 41b44e0
h: refs/heads/master
v: v3
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Pierrick Hascoet authored and Mauro Carvalho Chehab committed Nov 3, 2011
1 parent 5c31eef commit 181a9c1
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 539b469518b45c0b5915bec3e258e21e03667084
refs/heads/master: 41b44e0418112e694f9b7beb8088efbb8c9c0053
7 changes: 7 additions & 0 deletions trunk/drivers/staging/media/as102/Kconfig
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config DVB_AS102
tristate "Abilis AS102 DVB receiver"
depends on DVB_CORE && USB && I2C && INPUT
help
Choose Y or M here if you have a device containing an AS102

To compile this driver as a module, choose M here
5 changes: 5 additions & 0 deletions trunk/drivers/staging/media/as102/Makefile
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dvb-as102-objs := as102_drv.o as102_fw.o as10x_cmd.o as10x_cmd_stream.o as102_fe.o as102_usb_drv.o as10x_cmd_cfg.o

obj-$(CONFIG_DVB_AS102) += dvb-as102.o

EXTRA_CFLAGS += -DLINUX -DCONFIG_AS102_USB -Idrivers/media/dvb/dvb-core
356 changes: 356 additions & 0 deletions trunk/drivers/staging/media/as102/as102_drv.c
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/*
* Abilis Systems Single DVB-T Receiver
* Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
*
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/kref.h>
#include <asm/uaccess.h>
#include <linux/usb.h>

/* header file for Usb device driver*/
#include "as102_drv.h"
#include "as102_fw.h"

#if defined(CONFIG_DVB_CORE) || defined(CONFIG_DVB_CORE_MODULE)
#include "dvbdev.h"
#else
#warning >>> DVB_CORE not defined !!! <<<
#endif

int debug = 0;
module_param_named(debug, debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)");

int dual_tuner = 0;
module_param_named(dual_tuner, dual_tuner, int, 0644);
MODULE_PARM_DESC(dual_tuner, "Activate Dual-Tuner configuration (default: off)");

static int fw_upload = 1;
module_param_named(fw_upload, fw_upload, int, 0644);
MODULE_PARM_DESC(fw_upload, "Turn on/off default FW upload (default: on)");

static int pid_filtering = 0;
module_param_named(pid_filtering, pid_filtering, int, 0644);
MODULE_PARM_DESC(pid_filtering, "Activate HW PID filtering (default: off)");

static int ts_auto_disable = 0;
module_param_named(ts_auto_disable, ts_auto_disable, int, 0644);
MODULE_PARM_DESC(ts_auto_disable, "Stream Auto Enable on FW (default: off)");

int elna_enable = 1;
module_param_named(elna_enable, elna_enable, int, 0644);
MODULE_PARM_DESC(elna_enable, "Activate eLNA (default: on)");

#ifdef DVB_DEFINE_MOD_OPT_ADAPTER_NR
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#endif

#if defined(CONFIG_DVB_CORE) || defined(CONFIG_DVB_CORE_MODULE)
static void as102_stop_stream(struct as102_dev_t *dev) {
struct as102_bus_adapter_t *bus_adap;

if (dev != NULL)
bus_adap = &dev->bus_adap;
else
return;

if (bus_adap->ops->stop_stream != NULL)
bus_adap->ops->stop_stream(dev);

if (ts_auto_disable) {
if (mutex_lock_interruptible(&dev->bus_adap.lock))
return;

if (as10x_cmd_stop_streaming(bus_adap) < 0) {
dprintk(debug, "as10x_cmd_stop_streaming failed\n");
}

mutex_unlock(&dev->bus_adap.lock);
}
}

static int as102_start_stream(struct as102_dev_t *dev) {

struct as102_bus_adapter_t *bus_adap;
int ret = -EFAULT;

if (dev != NULL)
bus_adap = &dev->bus_adap;
else
return ret;

if (bus_adap->ops->start_stream != NULL) {
ret = bus_adap->ops->start_stream(dev);
}

if (ts_auto_disable) {
if (mutex_lock_interruptible(&dev->bus_adap.lock))
return -EFAULT;

ret = as10x_cmd_start_streaming(bus_adap);

mutex_unlock(&dev->bus_adap.lock);
}

return ret;
}

static int as10x_pid_filter(struct as102_dev_t *dev,
int index, u16 pid, int onoff) {

struct as102_bus_adapter_t *bus_adap = &dev->bus_adap;
int ret = -EFAULT;

ENTER();

if (mutex_lock_interruptible(&dev->bus_adap.lock)) {
dprintk(debug, "mutex_lock_interruptible(lock) failed !\n");
return -EBUSY;
}

switch(onoff) {
case 0:
ret = as10x_cmd_del_PID_filter(bus_adap, (uint16_t) pid);
dprintk(debug, "DEL_PID_FILTER([%02d] 0x%04x) ret = %d\n",
index, pid, ret);
break;
case 1:
{
struct as10x_ts_filter filter;

filter.type = TS_PID_TYPE_TS;
filter.idx = 0xFF;
filter.pid = pid;

ret = as10x_cmd_add_PID_filter(bus_adap, &filter);
dprintk(debug, "ADD_PID_FILTER([%02d -> %02d], 0x%04x) ret = %d\n",
index, filter.idx, filter.pid, ret);
break;
}
}

mutex_unlock(&dev->bus_adap.lock);

LEAVE();
return ret;
}

static int as102_dvb_dmx_start_feed(struct dvb_demux_feed *dvbdmxfeed) {
int ret = 0;
struct dvb_demux *demux = dvbdmxfeed->demux;
struct as102_dev_t *as102_dev = demux->priv;

ENTER();

if (mutex_lock_interruptible(&as102_dev->sem))
return -ERESTARTSYS;

if (pid_filtering) {
as10x_pid_filter(as102_dev,
dvbdmxfeed->index, dvbdmxfeed->pid, 1);
}

if (as102_dev->streaming++ == 0) {
ret = as102_start_stream(as102_dev);
}

mutex_unlock(&as102_dev->sem);
LEAVE();
return ret;
}

static int as102_dvb_dmx_stop_feed(struct dvb_demux_feed *dvbdmxfeed) {
struct dvb_demux *demux = dvbdmxfeed->demux;
struct as102_dev_t *as102_dev = demux->priv;

ENTER();

if (mutex_lock_interruptible(&as102_dev->sem))
return -ERESTARTSYS;

if (--as102_dev->streaming == 0) {
as102_stop_stream(as102_dev);
}

if (pid_filtering) {
as10x_pid_filter(as102_dev,
dvbdmxfeed->index, dvbdmxfeed->pid, 0);
}

mutex_unlock(&as102_dev->sem);
LEAVE();
return 0;
}
#endif

int as102_dvb_register(struct as102_dev_t *as102_dev) {
int ret = 0;
ENTER();

#if defined(CONFIG_DVB_CORE) || defined(CONFIG_DVB_CORE_MODULE)
ret = dvb_register_adapter(&as102_dev->dvb_adap,
DEVICE_FULL_NAME,
THIS_MODULE,
#if defined(CONFIG_AS102_USB)
&as102_dev->bus_adap.usb_dev->dev
#elif defined(CONFIG_AS102_SPI)
&as102_dev->bus_adap.spi_dev->dev
#else
#error >>> dvb_register_adapter <<<
#endif
#ifdef DVB_DEFINE_MOD_OPT_ADAPTER_NR
, adapter_nr
#endif
);
if (ret < 0) {
err("%s: dvb_register_adapter() failed (errno = %d)",
__FUNCTION__, ret);
goto failed;
}

as102_dev->dvb_dmx.priv = as102_dev;
as102_dev->dvb_dmx.filternum = pid_filtering ? 16 : 256;
as102_dev->dvb_dmx.feednum = 256;
as102_dev->dvb_dmx.start_feed = as102_dvb_dmx_start_feed;
as102_dev->dvb_dmx.stop_feed = as102_dvb_dmx_stop_feed;

as102_dev->dvb_dmx.dmx.capabilities = DMX_TS_FILTERING |
DMX_SECTION_FILTERING;

as102_dev->dvb_dmxdev.filternum = as102_dev->dvb_dmx.filternum;
as102_dev->dvb_dmxdev.demux = &as102_dev->dvb_dmx.dmx;
as102_dev->dvb_dmxdev.capabilities = 0;

if ((ret = dvb_dmx_init(&as102_dev->dvb_dmx)) < 0) {
err("%s: dvb_dmx_init() failed (errno = %d)",
__FUNCTION__, ret);
goto failed;
}

ret = dvb_dmxdev_init(&as102_dev->dvb_dmxdev, &as102_dev->dvb_adap);
if (ret < 0) {
err("%s: dvb_dmxdev_init() failed (errno = %d)",
__FUNCTION__, ret);
goto failed;
}

ret = as102_dvb_register_fe(as102_dev, &as102_dev->dvb_fe);
if (ret < 0) {
err("%s: as102_dvb_register_frontend() failed (errno = %d)",
__FUNCTION__, ret);
goto failed;
}
#endif

/* init bus mutex for token locking */
mutex_init(&as102_dev->bus_adap.lock);

/* init start / stop stream mutex */
mutex_init(&as102_dev->sem);

#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
/*
* try to load as102 firmware. If firmware upload failed, we'll be
* able to upload it later.
*/
if (fw_upload)
try_then_request_module(as102_fw_upload(&as102_dev->bus_adap),
"firmware_class");
#endif

failed:
LEAVE();
/* FIXME: free dvb_XXX */
return ret;
}

void as102_dvb_unregister(struct as102_dev_t *as102_dev) {
ENTER();

#if defined(CONFIG_DVB_CORE) || defined(CONFIG_DVB_CORE_MODULE)
/* unregister as102 frontend */
as102_dvb_unregister_fe(&as102_dev->dvb_fe);

/* unregister demux device */
dvb_dmxdev_release(&as102_dev->dvb_dmxdev);
dvb_dmx_release(&as102_dev->dvb_dmx);

/* unregister dvb adapter */
dvb_unregister_adapter(&as102_dev->dvb_adap);
#endif
LEAVE();
}

static int __init as102_driver_init(void) {
int ret = 0;

ENTER();

/* register this driver with the low level subsystem */
#if defined(CONFIG_AS102_USB)
ret = usb_register(&as102_usb_driver);
if (ret)
err("usb_register failed (ret = %d)", ret);
#endif
#if defined(CONFIG_AS102_SPI)
ret = spi_register_driver(&as102_spi_driver);
if (ret)
printk(KERN_ERR "spi_register failed (ret = %d)", ret);
#endif

LEAVE();
return ret;
}

/*
* Mandatory function : Adds a special section to the module indicating
* where initialisation function is defined
*/
module_init(as102_driver_init);

/**
* \brief as102 driver exit point. This function is called when device has
* to be removed.
*/
static void __exit as102_driver_exit(void) {
ENTER();
/* deregister this driver with the low level bus subsystem */
#if defined(CONFIG_AS102_USB)
usb_deregister(&as102_usb_driver);
#endif
#if defined(CONFIG_AS102_SPI)
spi_unregister_driver(&as102_spi_driver);
#endif
LEAVE();
}

/*
* required function for unload: Adds a special section to the module
* indicating where unload function is defined
*/
module_exit(as102_driver_exit);
/* modinfo details */
MODULE_DESCRIPTION(DRIVER_FULL_NAME);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Pierrick Hascoet <pierrick.hascoet@abilis.com>");

/* EOF - vim: set textwidth=80 ts=8 sw=8 sts=8 noet: */
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