diff options
author | Malcolm Priestley <tvboxspy@gmail.com> | 2010-08-28 18:07:37 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:04:53 -0200 |
commit | 1ae2c5893d091bdfa382cbcfa3e09461f3a6c884 (patch) | |
tree | 4d020cf4841c852eb8f1d97ea1b774ab42ad96ec /drivers/media/dvb/frontends/ix2505v.h | |
parent | f78729b40a01a72b189a0618e1cf58facb68c129 (diff) | |
download | blackbird-op-linux-1ae2c5893d091bdfa382cbcfa3e09461f3a6c884.tar.gz blackbird-op-linux-1ae2c5893d091bdfa382cbcfa3e09461f3a6c884.zip |
V4L/DVB: Support for Sharp IX2505V (marked B0017) DVB-S silicon tuner
Tuner used in Sharp BS2F7VZ7395 dvbs module.
When ix2505v tuner is attached to stv0288 form this module.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/ix2505v.h')
-rw-r--r-- | drivers/media/dvb/frontends/ix2505v.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/ix2505v.h b/drivers/media/dvb/frontends/ix2505v.h new file mode 100644 index 000000000000..67e89d616d50 --- /dev/null +++ b/drivers/media/dvb/frontends/ix2505v.h @@ -0,0 +1,64 @@ +/** + * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner + * + * Copyright (C) 2010 Malcolm Priestley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License Version 2, as + * published by the Free Software Foundation. + * + * 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 DVB_IX2505V_H +#define DVB_IX2505V_H + +#include <linux/i2c.h> +#include "dvb_frontend.h" + +/** + * Attach a ix2505v tuner to the supplied frontend structure. + * + * @param fe Frontend to attach to. + * @param config ix2505v_config structure + * @return FE pointer on success, NULL on failure. + */ + +struct ix2505v_config { + u8 tuner_address; + + /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */ + u8 tuner_gain; + + /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */ + u8 tuner_chargepump; + + /* delay after tune */ + int min_delay_ms; + + /* disables reads*/ + u8 tuner_write_only; + +}; + +#if defined(CONFIG_DVB_IX2505V) || \ + (defined(CONFIG_DVB_IX2505V_MODULE) && defined(MODULE)) +extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* DVB_IX2505V_H */ |