diff options
Diffstat (limited to 'linux/drivers/media/dvb/frontends')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/Kconfig | 6 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/Makefile | 1 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/dvb_dummy_fe.c | 7 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/tdhd1.h | 73 |
4 files changed, 84 insertions, 3 deletions
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig index 774f5c2a7..e2444f270 100644 --- a/linux/drivers/media/dvb/frontends/Kconfig +++ b/linux/drivers/media/dvb/frontends/Kconfig @@ -392,4 +392,10 @@ config DVB_LGS8GL5 help A DMB-TH tuner module. Say Y when you want to support this frontend. +comment "Tools to develop new frontends" + +config DVB_DUMMY_FE + tristate "Dummy frontend driver" + default n + endmenu diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile index 262eaa429..ca24618d5 100644 --- a/linux/drivers/media/dvb/frontends/Makefile +++ b/linux/drivers/media/dvb/frontends/Makefile @@ -49,3 +49,4 @@ obj-$(CONFIG_DVB_AU8522) += au8522.o obj-$(CONFIG_DVB_TDA10048) += tda10048.o obj-$(CONFIG_DVB_S5H1411) += s5h1411.o obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o +obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o diff --git a/linux/drivers/media/dvb/frontends/dvb_dummy_fe.c b/linux/drivers/media/dvb/frontends/dvb_dummy_fe.c index fed09dfb2..cb4d8a3b9 100644 --- a/linux/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/linux/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -75,9 +75,10 @@ static int dvb_dummy_fe_get_frontend(struct dvb_frontend* fe, struct dvb_fronten static int dvb_dummy_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { - if (fe->ops->tuner_ops->set_params) { - fe->ops->tuner_ops->set_params(fe, p); - if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); } return 0; diff --git a/linux/drivers/media/dvb/frontends/tdhd1.h b/linux/drivers/media/dvb/frontends/tdhd1.h new file mode 100644 index 000000000..51f170678 --- /dev/null +++ b/linux/drivers/media/dvb/frontends/tdhd1.h @@ -0,0 +1,73 @@ +/* + * tdhd1.h - ALPS TDHD1-204A tuner support + * + * Copyright (C) 2008 Oliver Endriss <o.endriss@gmx.de> + * + * + * 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 + * + * + * The project's page is at http://www.linuxtv.org + */ + +#ifndef TDHD1_H +#define TDHD1_H + +#include "tda1004x.h" + +static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name); + +static struct tda1004x_config alps_tdhd1_204a_config = { + .demod_address = 0x8, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_4M, + .agc_config = TDA10046_AGC_DEFAULT, + .if_freq = TDA10046_FREQ_3617, + .request_firmware = alps_tdhd1_204_request_firmware +}; + +static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct i2c_adapter *i2c = fe->tuner_priv; + u8 data[4]; + struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; + u32 div; + + div = (params->frequency + 36166666) / 166666; + + data[0] = (div >> 8) & 0x7f; + data[1] = div & 0xff; + data[2] = 0x85; + + if (params->frequency >= 174000000 && params->frequency <= 230000000) + data[3] = 0x02; + else if (params->frequency >= 470000000 && params->frequency <= 823000000) + data[3] = 0x0C; + else if (params->frequency > 823000000 && params->frequency <= 862000000) + data[3] = 0x8C; + else + return -EINVAL; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(i2c, &msg, 1) != 1) + return -EIO; + + return 0; +} + +#endif /* TDHD1_H */ |