diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
commit | 9a0bf528b4d66b605f02634236da085595c22101 (patch) | |
tree | e9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb-frontends/lgdt3305.h | |
parent | 3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff) |
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt3305.h')
-rw-r--r-- | drivers/media/dvb-frontends/lgdt3305.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3305.h b/drivers/media/dvb-frontends/lgdt3305.h new file mode 100644 index 000000000000..02172eca4d47 --- /dev/null +++ b/drivers/media/dvb-frontends/lgdt3305.h @@ -0,0 +1,91 @@ +/* + * Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM + * + * Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org> + * + * 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 _LGDT3305_H_ +#define _LGDT3305_H_ + +#include <linux/i2c.h> +#include "dvb_frontend.h" + + +enum lgdt3305_mpeg_mode { + LGDT3305_MPEG_PARALLEL = 0, + LGDT3305_MPEG_SERIAL = 1, +}; + +enum lgdt3305_tp_clock_edge { + LGDT3305_TPCLK_RISING_EDGE = 0, + LGDT3305_TPCLK_FALLING_EDGE = 1, +}; + +enum lgdt3305_tp_valid_polarity { + LGDT3305_TP_VALID_LOW = 0, + LGDT3305_TP_VALID_HIGH = 1, +}; + +enum lgdt_demod_chip_type { + LGDT3305 = 0, + LGDT3304 = 1, +}; + +struct lgdt3305_config { + u8 i2c_addr; + + /* user defined IF frequency in KHz */ + u16 qam_if_khz; + u16 vsb_if_khz; + + /* AGC Power reference - defaults are used if left unset */ + u16 usref_8vsb; /* default: 0x32c4 */ + u16 usref_qam64; /* default: 0x5400 */ + u16 usref_qam256; /* default: 0x2a80 */ + + /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ + unsigned int deny_i2c_rptr:1; + + /* spectral inversion - 0:disabled 1:enabled */ + unsigned int spectral_inversion:1; + + /* use RF AGC loop - 0:disabled 1:enabled */ + unsigned int rf_agc_loop:1; + + enum lgdt3305_mpeg_mode mpeg_mode; + enum lgdt3305_tp_clock_edge tpclk_edge; + enum lgdt3305_tp_valid_polarity tpvalid_polarity; + enum lgdt_demod_chip_type demod_chip; +}; + +#if defined(CONFIG_DVB_LGDT3305) || (defined(CONFIG_DVB_LGDT3305_MODULE) && \ + defined(MODULE)) +extern +struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, + struct i2c_adapter *i2c_adap); +#else +static inline +struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, + struct i2c_adapter *i2c_adap) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LGDT3305 */ + +#endif /* _LGDT3305_H_ */ |