DVB device driver for cx231xx
Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
- Based on em28xx driver
+ Based on em28xx driver
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
#include "xc5000.h"
#include "dvb_dummy_fe.h"
-
MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
MODULE_LICENSE("GPL");
#define CX231XX_DVB_MAX_PACKETS 64
struct cx231xx_dvb {
- struct dvb_frontend *frontend;
+ struct dvb_frontend *frontend;
/* feed count management */
- struct mutex lock;
- int nfeeds;
+ struct mutex lock;
+ int nfeeds;
/* general boilerplate stuff */
- struct dvb_adapter adapter;
- struct dvb_demux demux;
- struct dmxdev dmxdev;
- struct dmx_frontend fe_hw;
- struct dmx_frontend fe_mem;
- struct dvb_net net;
+ struct dvb_adapter adapter;
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
};
-
-static inline void print_err_status(struct cx231xx *dev,
- int packet, int status)
+static inline void print_err_status(struct cx231xx *dev, int packet, int status)
{
char *errmsg = "Unknown";
return rc;
return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
- CX231XX_DVB_NUM_BUFS, CX231XX_DVB_MAX_PACKETSIZE,
- dvb_isoc_copy);
+ CX231XX_DVB_NUM_BUFS,
+ CX231XX_DVB_MAX_PACKETSIZE, dvb_isoc_copy);
}
static int stop_streaming(struct cx231xx_dvb *dvb)
static int start_feed(struct dvb_demux_feed *feed)
{
- struct dvb_demux *demux = feed->demux;
+ struct dvb_demux *demux = feed->demux;
struct cx231xx_dvb *dvb = demux->priv;
int rc, ret;
static int stop_feed(struct dvb_demux_feed *feed)
{
- struct dvb_demux *demux = feed->demux;
+ struct dvb_demux *demux = feed->demux;
struct cx231xx_dvb *dvb = demux->priv;
int err = 0;
return err;
}
-
-
/* ------------------------------------------------------------------ */
static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
{
/* ------------------------------------------------------------------ */
-
static struct xc5000_config cnxt_rde250_tunerconfig = {
- .i2c_address = 0x61,
- .if_khz = 5380,
+ .i2c_address = 0x61,
+ .if_khz = 5380,
};
-
/* ------------------------------------------------------------------ */
#if 0
static int attach_xc5000(u8 addr, struct cx231xx *dev)
struct xc5000_config cfg;
memset(&cfg, 0, sizeof(cfg));
- cfg.i2c_adap = &dev->i2c_bus[1].i2c_adap;
- cfg.i2c_addr = addr;
+ cfg.i2c_adap = &dev->i2c_bus[1].i2c_adap;
+ cfg.i2c_addr = addr;
if (!dev->dvb->frontend) {
printk(KERN_ERR "%s/2: dvb frontend not attached. "
- "Can't attach xc5000\n",
- dev->name);
+ "Can't attach xc5000\n", dev->name);
return -EINVAL;
}
}
#endif
-int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq )
+int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
{
int status = 0;
- if( (dev->dvb != NULL) && (dev->dvb->frontend != NULL) ){
+ if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
- struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
+ struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
- if(dops->set_analog_params != NULL) {
- struct analog_parameters params;
+ if (dops->set_analog_params != NULL) {
+ struct analog_parameters params;
- params.frequency = freq;
- params.std = dev->norm;
- params.mode = 0 ; /* 0- Air; 1 - cable */
- /*params.audmode = ; */
-
- /* Set the analog parameters to set the frequency */
- cx231xx_info("Setting Frequency for XC5000\n");
- dops->set_analog_params(dev->dvb->frontend, ¶ms);
- }
+ params.frequency = freq;
+ params.std = dev->norm;
+ params.mode = 0; /* 0- Air; 1 - cable */
+ /*params.audmode = ; */
+ /* Set the analog parameters to set the frequency */
+ cx231xx_info("Setting Frequency for XC5000\n");
+ dops->set_analog_params(dev->dvb->frontend, ¶ms);
}
+ }
+
return status;
}
int cx231xx_reset_analog_tuner(struct cx231xx *dev)
{
- int status = 0;
+ int status = 0;
- if( (dev->dvb != NULL) && (dev->dvb->frontend != NULL) ){
+ if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
- struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
+ struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
- if(dops->init != NULL && !dev->xc_fw_load_done) {
+ if (dops->init != NULL && !dev->xc_fw_load_done) {
- cx231xx_info("Reloading firmware for XC5000\n");
- status = dops->init(dev->dvb->frontend);
- if(status == 0 ) {
- dev->xc_fw_load_done = 1;
- cx231xx_info("XC5000 firmware download completed\n");
- } else {
- dev->xc_fw_load_done = 0;
- cx231xx_info("XC5000 firmware download failed !!!\n");
- }
+ cx231xx_info("Reloading firmware for XC5000\n");
+ status = dops->init(dev->dvb->frontend);
+ if (status == 0) {
+ dev->xc_fw_load_done = 1;
+ cx231xx_info
+ ("XC5000 firmware download completed\n");
+ } else {
+ dev->xc_fw_load_done = 0;
+ cx231xx_info
+ ("XC5000 firmware download failed !!!\n");
}
-
}
+ }
+
return status;
}
-
/* ------------------------------------------------------------------ */
static int register_dvb(struct cx231xx_dvb *dvb,
- struct module *module,
- struct cx231xx *dev,
- struct device *device)
+ struct module *module,
+ struct cx231xx *dev, struct device *device)
{
int result;
result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
adapter_nr);
if (result < 0) {
- printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
+ printk(KERN_WARNING
+ "%s: dvb_register_adapter failed (errno = %d)\n",
dev->name, result);
goto fail_adapter;
}
/* register frontend */
result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
if (result < 0) {
- printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
+ printk(KERN_WARNING
+ "%s: dvb_register_frontend failed (errno = %d)\n",
dev->name, result);
goto fail_frontend;
}
/* register demux stuff */
dvb->demux.dmx.capabilities =
- DMX_TS_FILTERING | DMX_SECTION_FILTERING |
- DMX_MEMORY_BASED_FILTERING;
- dvb->demux.priv = dvb;
- dvb->demux.filternum = 256;
- dvb->demux.feednum = 256;
+ DMX_TS_FILTERING | DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ dvb->demux.priv = dvb;
+ dvb->demux.filternum = 256;
+ dvb->demux.feednum = 256;
dvb->demux.start_feed = start_feed;
- dvb->demux.stop_feed = stop_feed;
+ dvb->demux.stop_feed = stop_feed;
result = dvb_dmx_init(&dvb->demux);
if (result < 0) {
goto fail_dmx;
}
- dvb->dmxdev.filternum = 256;
- dvb->dmxdev.demux = &dvb->demux.dmx;
+ dvb->dmxdev.filternum = 256;
+ dvb->dmxdev.demux = &dvb->demux.dmx;
dvb->dmxdev.capabilities = 0;
result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
if (result < 0) {
dvb->fe_hw.source = DMX_FRONTEND_0;
result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
if (result < 0) {
- printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+ printk(KERN_WARNING
+ "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
dev->name, result);
goto fail_fe_hw;
}
dvb->fe_mem.source = DMX_MEMORY_FE;
result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
if (result < 0) {
- printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+ printk(KERN_WARNING
+ "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
dev->name, result);
goto fail_fe_mem;
}
result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
if (result < 0) {
- printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
- dev->name, result);
+ printk(KERN_WARNING
+ "%s: connect_frontend failed (errno = %d)\n", dev->name,
+ result);
goto fail_fe_conn;
}
dvb_unregister_adapter(&dvb->adapter);
}
-
static int dvb_init(struct cx231xx *dev)
{
int result = 0;
}
dev->dvb = dvb;
dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
- dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
+ dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
/* init frontend */
switch (dev->model) {
- case CX231XX_BOARD_CNXT_RDE_250:
-
- /* dev->dvb->frontend = dvb_attach(s5h1411_attach,
- &dvico_s5h1411_config,
- &dev->i2c_bus[1].i2c_adap);*/
- dev->dvb->frontend = dvb_attach(dvb_dummy_fe_ofdm_attach);
-
- if(dev->dvb->frontend == NULL) {
- printk(DRIVER_NAME ": Failed to attach dummy front end\n");
- result = -EINVAL;
- goto out_free;
- }
-
- /* define general-purpose callback pointer */
- dvb->frontend->callback = cx231xx_tuner_callback;
-
- if(dvb_attach(xc5000_attach, dev->dvb->frontend,
- &dev->i2c_bus[1].i2c_adap,
- &cnxt_rde250_tunerconfig) < 0) {
- result = -EINVAL;
- goto out_free;
- }
-
- break;
- case CX231XX_BOARD_CNXT_RDU_250:
-
- dev->dvb->frontend = dvb_attach(dvb_dummy_fe_ofdm_attach);
-
- if(dev->dvb->frontend == NULL) {
- printk(DRIVER_NAME ": Failed to attach dummy front end\n");
- result = -EINVAL;
- goto out_free;
- }
-
- /* define general-purpose callback pointer */
- dvb->frontend->callback = cx231xx_tuner_callback;
-
- if(dvb_attach(xc5000_attach, dev->dvb->frontend,
- &dev->i2c_bus[1].i2c_adap,
- &cnxt_rde250_tunerconfig) < 0) {
- result = -EINVAL;
- goto out_free;
- }
- break;
+ case CX231XX_BOARD_CNXT_RDE_250:
+
+ /* dev->dvb->frontend = dvb_attach(s5h1411_attach,
+ &dvico_s5h1411_config,
+ &dev->i2c_bus[1].i2c_adap); */
+ dev->dvb->frontend = dvb_attach(dvb_dummy_fe_ofdm_attach);
+
+ if (dev->dvb->frontend == NULL) {
+ printk(DRIVER_NAME
+ ": Failed to attach dummy front end\n");
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ /* define general-purpose callback pointer */
+ dvb->frontend->callback = cx231xx_tuner_callback;
+
+ if (dvb_attach(xc5000_attach, dev->dvb->frontend,
+ &dev->i2c_bus[1].i2c_adap,
+ &cnxt_rde250_tunerconfig) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ break;
+ case CX231XX_BOARD_CNXT_RDU_250:
+
+ dev->dvb->frontend = dvb_attach(dvb_dummy_fe_ofdm_attach);
+
+ if (dev->dvb->frontend == NULL) {
+ printk(DRIVER_NAME
+ ": Failed to attach dummy front end\n");
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ /* define general-purpose callback pointer */
+ dvb->frontend->callback = cx231xx_tuner_callback;
+
+ if (dvb_attach(xc5000_attach, dev->dvb->frontend,
+ &dev->i2c_bus[1].i2c_adap,
+ &cnxt_rde250_tunerconfig) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
default:
printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card"
- " isn't supported yet\n",
- dev->name);
+ " isn't supported yet\n", dev->name);
break;
}
if (NULL == dvb->frontend) {
printk(KERN_ERR
- "%s/2: frontend initialization failed\n",
- dev->name);
+ "%s/2: frontend initialization failed\n", dev->name);
result = -EINVAL;
goto out_free;
}
-
/* register everything */
result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
}
static struct cx231xx_ops dvb_ops = {
- .id = CX231XX_DVB,
+ .id = CX231XX_DVB,
.name = "Cx231xx dvb Extension",
.init = dvb_init,
.fini = dvb_fini,
module_init(cx231xx_dvb_register);
module_exit(cx231xx_dvb_unregister);
-
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