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提交 3169c9b2 编写于 作者: M Michel Ludwig 提交者： Mauro Carvalho Chehab
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V4L/DVB (12788): tm6000: Add initial DVB-T support 

Signed-off-by: NMichel Ludwig <michel.ludwig@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 a4cf976c
隐藏空白更改
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drivers/staging/tm6000/Makefile
浏览文件 @ 3169c9b2
tm6000-objs := tm6000-cards.o \
tm6000-core.o \
tm6000-i2c.o \
tm6000-video.o
tm6000-video.o \
tm6000-dvb.o \
hack.o \
obj-$(CONFIG_VIDEO_TM6000) += tm6000.o
......
drivers/staging/tm6000/hack.c 0 → 100644
浏览文件 @ 3169c9b2
/*
hack.h - hackish code that needs to be improved (or removed) at a
later point
Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.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 version 2
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 "hack.h"
#include "tm6000.h"
#include <linux/usb.h>
static inline int tm6000_snd_control_msg(struct tm6000_core *dev, __u8 request, __u16 value, __u16 index, void *data, __u16 size)
{
return tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, request, value, index, data, size);
}
static int pseudo_zl10353_pll(struct tm6000_core *tm6000_dev, struct dvb_frontend_parameters *p)
{
int ret;
u8 *data = kzalloc(50*sizeof(u8), GFP_KERNEL);
printk(KERN_ALERT "should set frequency %u\n", p->frequency);
printk(KERN_ALERT "and bandwith %u\n", p->u.ofdm.bandwidth);
if(tm6000_dev->dvb->frontend->ops.tuner_ops.set_params) {
tm6000_dev->dvb->frontend->ops.tuner_ops.set_params(tm6000_dev->dvb->frontend, p);
}
else {
printk(KERN_ALERT "pseudo zl10353: couldn't set tuner parameters\n");
}
// init ZL10353
data[0] = 0x0b;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x501e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x80;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x551e, 0x00, data, 0x1);
msleep(100);
data[0] = 0x01;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0xea1e, 0x00, data, 0x1);
msleep(100);
data[0] = 0x00;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0xea1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x1c;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x561e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x40;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x5e1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x36;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x641e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x67;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x651e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe5;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x661e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x19;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe9;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6d1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x44;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x511e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x46;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x521e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x15;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x531e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x0f;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x541e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x75;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x5c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x01;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x00;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
msleep(50);
switch(p->u.ofdm.bandwidth) {
case BANDWIDTH_8_MHZ:
data[0] = 0x00;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x36;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x641e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x67;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x651e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe5;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x661e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x19;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe9;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6d1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x44;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x511e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x46;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x521e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x15;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x531e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x0f;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x541e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x75;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x5c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x01;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
break;
default:
printk(KERN_ALERT "tm6000: bandwidth not supported\n");
case BANDWIDTH_7_MHZ:
data[0] = 0x00;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x35;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x641e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x5a;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x651e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe9;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x661e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x19;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0xe9;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x6d1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x44;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x511e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x46;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x521e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x15;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x531e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x0f;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x541e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x86;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x5c1e, 0x00, data, 0x1);
msleep(15);
data[0] = 0x01;
ret = tm6000_snd_control_msg(tm6000_dev, 0x10, 0x701e, 0x00, data, 0x1);
msleep(15);
break;
}
kfree(data);
return 0;
};
int pseudo_zl10353_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct tm6000_core *tm6000_dev = fe->dvb->priv;
u32 status;
if(p != NULL) {
// mutex_lock(&tm6000_dev->mutex);
pseudo_zl10353_pll(tm6000_dev, p);
// mutex_unlock(&tm6000_dev->mutex);
}
if(tm6000_dev->dvb->frontend->ops.read_status) {
tm6000_dev->dvb->frontend->ops.read_status(tm6000_dev->dvb->frontend, &status);
printk(KERN_ALERT "demodulator status: FE_HAS_CARRIER %i \n", (status & FE_HAS_CARRIER));
printk(KERN_ALERT "demodulator status: FE_HAS_VITERBI %i \n", (status & FE_HAS_VITERBI));
printk(KERN_ALERT "demodulator status: FE_HAS_LOCK %i \n", (status & FE_HAS_LOCK));
printk(KERN_ALERT "demodulator status: FE_HAS_SYNC %i \n", (status & FE_HAS_SYNC));
printk(KERN_ALERT "demodulator status: FE_HAS_SIGNAL %i \n", (status & FE_HAS_SIGNAL));
}
else {
printk(KERN_ALERT "pseudo zl10353: couldn't read demodulator status\n");
}
return 0;
}
int pseudo_zl10353_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
*status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK | FE_HAS_SIGNAL;
return 0;
}
struct dvb_frontend* pseudo_zl10353_attach(struct tm6000_core *dev,
const struct zl10353_config *config,
struct i2c_adapter *i2c)
{
struct tm6000_dvb *dvb = dev->dvb;
dvb->frontend = zl10353_attach(config, i2c);
if(!dvb->frontend) {
return NULL;
}
/* override some functions with our implementations */
dvb->frontend->ops.set_frontend = pseudo_zl10353_set_frontend;
dvb->frontend->ops.read_status = pseudo_zl10353_read_status;
dvb->frontend->frontend_priv = dev;
return dvb->frontend;
}
drivers/staging/tm6000/hack.h 0 → 100644
浏览文件 @ 3169c9b2
/*
hack.h - hackish code that needs to be improved (or removed) at a
later point
Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.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 version 2
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.
*/
#ifndef HACK_H
#define HACK_H
#include <linux/i2c.h>
#include "zl10353.h"
#include "dvb_frontend.h"
struct tm6000_core;
int pseudo_zl103530_init(struct dvb_frontend *fe);
int pseudo_zl10353_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
int pseudo_zl10353_read_status(struct dvb_frontend *fe, fe_status_t *status);
int pseudo_zl10353_read_signal_strength(struct dvb_frontend* fe, u16* strength);
int pseudo_zl10353_read_snr(struct dvb_frontend *fe, u16 *snr);
struct dvb_frontend* pseudo_zl10353_attach(struct tm6000_core *dev,
const struct zl10353_config *config,
struct i2c_adapter *i2c);
#endif
drivers/staging/tm6000/tm6000-cards.c
浏览文件 @ 3169c9b2
......@@ -185,7 +185,19 @@ static int tm6000_init_dev(struct tm6000_core *dev)
dev->freq = f.frequency;
tm6000_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
if(dev->caps.has_dvb) {
dev->dvb = kzalloc(sizeof(*(dev->dvb)), GFP_KERNEL);
if(!dev->dvb) {
rc = -ENOMEM;
goto err;
}
rc = tm6000_dvb_register(dev);
if(rc < 0) {
kfree(dev->dvb);
dev->dvb = NULL;
goto err;
}
}
err:
mutex_unlock(&dev->lock);
return rc;
......@@ -389,6 +401,11 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
mutex_lock(&dev->lock);
if(dev->dvb) {
tm6000_dvb_unregister(dev);
kfree(dev->dvb);
}
tm6000_v4l2_unregister(dev);
tm6000_i2c_unregister(dev);
......
drivers/staging/tm6000/tm6000-core.c
浏览文件 @ 3169c9b2
......@@ -3,6 +3,9 @@
Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
- DVB-T support
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 version 2
......@@ -207,6 +210,32 @@ int tm6000_init_analog_mode (struct tm6000_core *dev)
return 0;
}
int tm6000_init_digital_mode (struct tm6000_core *dev)
{
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00ff, 0x08);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00ff, 0x00);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x003f, 0x01);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00df, 0x08);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00e2, 0x0c);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00e8, 0xff);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00eb, 0xd8);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00c0, 0x40);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00c1, 0xd0);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00c3, 0x09);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00da, 0x37);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00d1, 0xd8);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00d2, 0xc0);
tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x00d6, 0x60);
msleep(50);
tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT, 0x0020, 0x00);
tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT, 0x0020, 0x01);
tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT, 0x0020, 0x00);
msleep(100);
return 0;
}
/* The meaning of those initializations are unknown */
u8 init_tab[][2] = {
......
drivers/staging/tm6000/tm6000-dvb.c 0 → 100644
浏览文件 @ 3169c9b2
/*
tm6000-dvb.c - dvb-t support for TM5600/TM6000 USB video capture devices
Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.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 version 2
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/usb.h>
#include "tm6000.h"
#include "tm6000-regs.h"
#include "hack.h"
#include "zl10353.h"
#include <media/tuner.h>
static void tm6000_urb_received(struct urb *urb)
{
int ret;
struct tm6000_core* dev = urb->context;
if(urb->status != 0){
printk(KERN_ERR "tm6000: status != 0\n");
}
else if(urb->actual_length>0){
dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
urb->actual_length);
}
if(dev->dvb->streams > 0) {
ret = usb_submit_urb(urb, GFP_ATOMIC);
if(ret < 0) {
printk(KERN_ERR "tm6000: error %s\n", __FUNCTION__);
kfree(urb->transfer_buffer);
usb_free_urb(urb);
}
}
}
int tm6000_start_stream(struct tm6000_core *dev)
{
int ret;
unsigned int pipe, maxPaketSize;
struct tm6000_dvb *dvb = dev->dvb;
printk(KERN_INFO "tm6000: got start stream request %s\n",__FUNCTION__);
tm6000_init_digital_mode(dev);
// ret = usb_set_interface(dev->udev, 0, 1);
// if (ret<0)
// return ret;
/*
ret = tm6000_set_led_status(tm6000_dev, 0x1);
if(ret < 0) {
return -1;
}
*/
dvb->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
if(dvb->bulk_urb == NULL) {
printk(KERN_ERR "tm6000: couldn't allocate urb\n");
return -ENOMEM;
}
maxPaketSize = dev->bulk_in->desc.wMaxPacketSize;
dvb->bulk_urb->transfer_buffer = kzalloc(maxPaketSize, GFP_KERNEL);
if(dvb->bulk_urb->transfer_buffer == NULL) {
usb_free_urb(dvb->bulk_urb);
printk(KERN_ERR "tm6000: couldn't allocate transfer buffer!\n");
return -ENOMEM;
}
pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in->desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK);
usb_fill_bulk_urb(dvb->bulk_urb, dev->udev, pipe,
dvb->bulk_urb->transfer_buffer,
maxPaketSize,
tm6000_urb_received, dev);
ret = usb_clear_halt(dev->udev, pipe);
if(ret < 0) {
printk(KERN_ERR "tm6000: error %i in %s during pipe reset\n",ret,__FUNCTION__);
// return ret;
}
else {
printk(KERN_ERR "tm6000: pipe resetted\n");
}
// mutex_lock(&tm6000_driver.open_close_mutex);
ret = usb_submit_urb(dvb->bulk_urb, GFP_KERNEL);
// mutex_unlock(&tm6000_driver.open_close_mutex);
if (ret) {
printk(KERN_ERR "tm6000: submit of urb failed (error=%i)\n",ret);
kfree(dvb->bulk_urb->transfer_buffer);
usb_free_urb(dvb->bulk_urb);
return ret;
}
return 0;
}
void tm6000_stop_stream(struct tm6000_core *dev)
{
struct tm6000_dvb *dvb = dev->dvb;
// tm6000_set_led_status(tm6000_dev, 0x0);
if(dvb->bulk_urb) {
usb_kill_urb(dvb->bulk_urb);
kfree(dvb->bulk_urb->transfer_buffer);
usb_free_urb(dvb->bulk_urb);
dvb->bulk_urb = NULL;
}
}
int tm6000_start_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct tm6000_core *dev = demux->priv;
struct tm6000_dvb *dvb = dev->dvb;
printk(KERN_INFO "tm6000: got start feed request %s\n",__FUNCTION__);
mutex_lock(&dvb->mutex);
if(dvb->streams == 0) {
dvb->streams = 1;
// mutex_init(&tm6000_dev->streaming_mutex);
tm6000_start_stream(dev);
}
else {
++(dvb->streams);
}
mutex_unlock(&dvb->mutex);
return 0;
}
int tm6000_stop_feed(struct dvb_demux_feed *feed) {
struct dvb_demux *demux = feed->demux;
struct tm6000_core *dev = demux->priv;
struct tm6000_dvb *dvb = dev->dvb;
printk(KERN_INFO "tm6000: got stop feed request %s\n",__FUNCTION__);
mutex_lock(&dvb->mutex);
--dvb->streams;
if(0 == dvb->streams) {
tm6000_stop_stream(dev);
// mutex_destroy(&tm6000_dev->streaming_mutex);
}
mutex_unlock(&dvb->mutex);
// mutex_destroy(&tm6000_dev->streaming_mutex);
return 0;
}
int tm6000_dvb_attach_frontend(struct tm6000_core *dev)
{
struct tm6000_dvb *dvb = dev->dvb;
if(dev->caps.has_zl10353) {
struct zl10353_config config =
{.demod_address = dev->demod_addr >> 1,
.no_tuner = 1,
// .input_frequency = 0x19e9,
// .r56_agc_targets = 0x1c,
};
dvb->frontend = pseudo_zl10353_attach(dev, &config,
&dev->i2c_adap);
}
else {
printk(KERN_ERR "tm6000: no frontend defined for the device!\n");
return -1;
}
if(dvb->frontend) {
return 0;
}
else {
return -1;
}
}
int tm6000_dvb_register(struct tm6000_core *dev)
{
int ret = -1;
struct tm6000_dvb *dvb = dev->dvb;
mutex_init(&dvb->mutex);
dvb->streams = 0;
/* attach the frontend */
ret = tm6000_dvb_attach_frontend(dev);
if(ret < 0) {
printk(KERN_ERR "tm6000: couldn't attach the frontend!\n");
// goto err;
}
ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T",
THIS_MODULE, &dev->udev->dev);
dvb->adapter.priv = dev;
if(dvb->frontend) {
ret = dvb_register_frontend(&dvb->adapter, dvb->frontend);
if(ret < 0) {
printk("tm6000: couldn't register frontend\n");
goto adapter_err;
}
// attach the tuner like this for now
tm6000_i2c_call_clients(dev, VIDIOC_INT_DVB_TUNER_ATTACH, dvb->frontend);
printk("tm6000: XC2028/3028 asked to be attached to frontend!\n");
}
else {
printk("tm6000: no frontend found\n");
}
dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING
| DMX_MEMORY_BASED_FILTERING;
dvb->demux.priv = dev;
dvb->demux.filternum = 256;
dvb->demux.feednum = 256;
dvb->demux.start_feed = tm6000_start_feed;
dvb->demux.stop_feed = tm6000_stop_feed;
dvb->demux.write_to_decoder = NULL;
ret = dvb_dmx_init(&dvb->demux);
if(ret < 0) {
printk("tm6000: dvb_dmx_init failed (errno = %d)\n", ret);
goto frontend_err;
}
dvb->dmxdev.filternum = dev->dvb->demux.filternum;
dvb->dmxdev.demux = &dev->dvb->demux.dmx;
dvb->dmxdev.capabilities = 0;
ret = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
if(ret < 0) {
printk("tm6000: dvb_dmxdev_init failed (errno = %d)\n", ret);
goto dvb_dmx_err;
}
return 0;
dvb_dmx_err:
dvb_dmx_release(&dvb->demux);
frontend_err:
if(dvb->frontend) {
dvb_unregister_frontend(dvb->frontend);
}
adapter_err:
dvb_unregister_adapter(&dvb->adapter);
err:
return ret;
}
void tm6000_dvb_unregister(struct tm6000_core *dev)
{
struct tm6000_dvb *dvb = dev->dvb;
if(dvb->bulk_urb != NULL) {
struct urb *bulk_urb = dvb->bulk_urb;
kfree(bulk_urb->transfer_buffer);
bulk_urb->transfer_buffer = NULL;
usb_unlink_urb(bulk_urb);
usb_free_urb(bulk_urb);
}
// mutex_lock(&tm6000_driver.open_close_mutex);
if(dvb->frontend) {
dvb_unregister_frontend(dvb->frontend);
}
dvb_dmxdev_release(&dvb->dmxdev);
dvb_dmx_release(&dvb->demux);
dvb_unregister_adapter(&dvb->adapter);
mutex_destroy(&dvb->mutex);
// mutex_unlock(&tm6000_driver.open_close_mutex);
}
drivers/staging/tm6000/tm6000.h
浏览文件 @ 3169c9b2
......@@ -3,6 +3,9 @@
Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
- DVB-T support
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 version 2
......@@ -27,6 +30,11 @@
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/dvb/frontend.h>
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dmxdev.h"
#define TM6000_VERSION KERNEL_VERSION(0, 0, 1)
/* Inputs */
......@@ -97,12 +105,23 @@ struct tm6000_capabilities {
unsigned int has_eeprom:1;
};
struct tm6000_dvb {
struct dvb_adapter adapter;
struct dvb_demux demux;
struct dvb_frontend *frontend;
struct dmxdev dmxdev;
unsigned int streams;
struct urb *bulk_urb;
struct mutex mutex;
};
struct tm6000_core {
/* generic device properties */
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
v4l2_std_id norm; /* Current norm */
v4l2_std_id norm; /* Current norm */
enum tm6000_core_state state;
......@@ -136,6 +155,9 @@ struct tm6000_core {
enum tm6000_mode mode;
/* DVB-T support */
struct tm6000_dvb *dvb;
/* locks */
struct mutex lock;
......@@ -181,9 +203,13 @@ int tm6000_init (struct tm6000_core *dev);
int tm6000_init_after_firmware (struct tm6000_core *dev);
int tm6000_init_analog_mode (struct tm6000_core *dev);
int tm6000_init_digital_mode (struct tm6000_core *dev);
int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);
int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);
int tm6000_dvb_register(struct tm6000_core *dev);
void tm6000_dvb_unregister(struct tm6000_core *dev);
int tm6000_v4l2_register(struct tm6000_core *dev);
int tm6000_v4l2_unregister(struct tm6000_core *dev);
int tm6000_v4l2_exit(void);
......
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