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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-14 19:35:59 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 02:40:28 (GMT) |
commit | ccae7af2bf07dfef69cc2eb6ebc9e1ff15addfbd (patch) | |
tree | f33391cf2efe9038c13b88ca4049317728a7ebf0 /drivers/media/tuners/tda827x.h | |
parent | 3785bc170f79ef04129731582b468c28e1326d6d (diff) | |
download | linux-ccae7af2bf07dfef69cc2eb6ebc9e1ff15addfbd.tar.xz |
[media] common: move media/common/tuners to media/tuners
Move the tuners one level up, as the "common" directory will be used
by drivers that are shared between more than one driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/tuners/tda827x.h')
-rw-r--r-- | drivers/media/tuners/tda827x.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/media/tuners/tda827x.h b/drivers/media/tuners/tda827x.h new file mode 100644 index 0000000..7d72ce0 --- /dev/null +++ b/drivers/media/tuners/tda827x.h @@ -0,0 +1,68 @@ + /* + DVB Driver for Philips tda827x / tda827xa Silicon tuners + + (c) 2005 Hartmut Hackmann + (c) 2007 Michael Krufky + + 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 __DVB_TDA827X_H__ +#define __DVB_TDA827X_H__ + +#include <linux/i2c.h> +#include "dvb_frontend.h" + +struct tda827x_config +{ + /* saa7134 - provided callbacks */ + int (*init) (struct dvb_frontend *fe); + int (*sleep) (struct dvb_frontend *fe); + + /* interface to tda829x driver */ + unsigned int config; + int switch_addr; + + void (*agcf)(struct dvb_frontend *fe); +}; + + +/** + * Attach a tda827x tuner to the supplied frontend structure. + * + * @param fe Frontend to attach to. + * @param addr i2c address of the tuner. + * @param i2c i2c adapter to use. + * @param cfg optional callback function pointers. + * @return FE pointer on success, NULL on failure. + */ +#if defined(CONFIG_MEDIA_TUNER_TDA827X) || (defined(CONFIG_MEDIA_TUNER_TDA827X_MODULE) && defined(MODULE)) +extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr, + struct i2c_adapter *i2c, + struct tda827x_config *cfg); +#else +static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, + int addr, + struct i2c_adapter *i2c, + struct tda827x_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif // CONFIG_MEDIA_TUNER_TDA827X + +#endif // __DVB_TDA827X_H__ |