From f59d306e416b8bfd707417c9a8c1d77e2e87f173 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 1 Apr 2009 07:35:10 +0000 Subject: Support for Legend Silicon LGS8913/LGS8GL5/LGS8GXX China DMB-TH digital demodulator From: David Wong This patch contains the unified driver for Legend Silicon LGS8913 and LGS8GL5. It should replace lgs8gl5.c in media/dvb/frontends in the future. Signed-off-by: David T.L. Wong Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/frontends/lgs8gxx.h | 90 +++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 linux/drivers/media/dvb/frontends/lgs8gxx.h (limited to 'linux/drivers/media/dvb/frontends/lgs8gxx.h') diff --git a/linux/drivers/media/dvb/frontends/lgs8gxx.h b/linux/drivers/media/dvb/frontends/lgs8gxx.h new file mode 100644 index 000000000..321d366a8 --- /dev/null +++ b/linux/drivers/media/dvb/frontends/lgs8gxx.h @@ -0,0 +1,90 @@ +/* + * Support for Legend Silicon DMB-TH demodulator + * LGS8913, LGS8GL5 + * experimental support LGS8G42, LGS8G52 + * + * Copyright (C) 2007,2008 David T.L. Wong + * Copyright (C) 2008 Sirius International (Hong Kong) Limited + * Timothy Lee (for initial work on LGS8GL5) + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LGS8GXX_H__ +#define __LGS8GXX_H__ + +#include +#include + +#define LGS8GXX_PROD_LGS8913 0 +#define LGS8GXX_PROD_LGS8GL5 1 +#define LGS8GXX_PROD_LGS8G42 3 +#define LGS8GXX_PROD_LGS8G52 4 +#define LGS8GXX_PROD_LGS8G54 5 + +struct lgs8gxx_config { + + /* product type */ + u8 prod; + + /* the demodulator's i2c address */ + u8 demod_address; + + /* parallel or serial transport stream */ + u8 serial_ts; + + /* transport stream polarity*/ + u8 ts_clk_pol; + + /* transport stream clock gated by ts_valid */ + u8 ts_clk_gated; + + /* A/D Clock frequency */ + u32 if_clk_freq; /* in kHz */ + + /* IF frequency */ + u32 if_freq; /* in kHz */ + + /*Use External ADC*/ + u8 ext_adc; + + /*External ADC output two's complement*/ + u8 adc_signed; + + /*Sample IF data at falling edge of IF_CLK*/ + u8 if_neg_edge; + + /*IF use Negative center frequency*/ + u8 if_neg_center; + + /* slave address and configuration of the tuner */ + u8 tuner_address; +}; + +#if defined(CONFIG_DVB_LGS8GXX) || \ + (defined(CONFIG_DVB_LGS8GXX_MODULE) && defined(MODULE)) +extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, + struct i2c_adapter *i2c); +#else +static inline +struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, + struct i2c_adapter *i2c) { + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LGS8GXX */ + +#endif /* __LGS8GXX_H__ */ -- cgit v1.2.3