diff options
| author | Igor M. Liplianin <liplianin@me.by> | 2008-09-16 18:21:11 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:37:06 -0200 |
| commit | 04ad28c9916da709f38b1d43817892142c2c3508 (patch) | |
| tree | 1ae338bce55ef7322dd96237a601f322639e4dac /drivers/media/dvb/frontends/si21xx.h | |
| parent | 34c080295af9b3ed9f704a881e07eb5ac128e1ed (diff) | |
V4L/DVB (9017): Add support for Silicon Laboratories SI2109/2110 demodulators.
Add support for Silicon Laboratories SI2109/2110 demodulator
and cards with it, such as DvbWorld PCI2002.
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/si21xx.h')
| -rw-r--r-- | drivers/media/dvb/frontends/si21xx.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/si21xx.h b/drivers/media/dvb/frontends/si21xx.h new file mode 100644 index 000000000000..141b5b8a5f63 --- /dev/null +++ b/drivers/media/dvb/frontends/si21xx.h @@ -0,0 +1,37 @@ +#ifndef SI21XX_H +#define SI21XX_H + +#include <linux/dvb/frontend.h> +#include "dvb_frontend.h" + +struct si21xx_config { + /* the demodulator's i2c address */ + u8 demod_address; + + /* minimum delay before retuning */ + int min_delay_ms; +}; + +#if defined(CONFIG_DVB_SI21XX) || \ + (defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE)) +extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *si21xx_attach( + const struct si21xx_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val) +{ + int r = 0; + u8 buf[] = {reg, val}; + if (fe->ops.write) + r = fe->ops.write(fe, buf, 2); + return r; +} + +#endif |