diff options
Diffstat (limited to 'drivers/media/dvb-frontends/cx24110.h')
| -rw-r--r-- | drivers/media/dvb-frontends/cx24110.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/cx24110.h b/drivers/media/dvb-frontends/cx24110.h new file mode 100644 index 00000000000..527aff1f272 --- /dev/null +++ b/drivers/media/dvb-frontends/cx24110.h @@ -0,0 +1,61 @@ +/* + cx24110 - Single Chip Satellite Channel Receiver driver module + + Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on + work + Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> + + 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 CX24110_H +#define CX24110_H + +#include <linux/dvb/frontend.h> + +struct cx24110_config +{ + /* the demodulator's i2c address */ + u8 demod_address; +}; + +static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) +{ + u8 buf[] = { + (u8)((val >> 24) & 0xff), + (u8)((val >> 16) & 0xff), + (u8)((val >> 8) & 0xff) + }; + + if (fe->ops.write) + return fe->ops.write(fe, buf, 3); + return 0; +} + +#if IS_ENABLED(CONFIG_DVB_CX24110) +extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, + struct i2c_adapter* i2c); +#else +static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, + struct i2c_adapter* i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif // CONFIG_DVB_CX24110 + +#endif // CX24110_H |