[linux-2.6-block.git] / drivers / media / dvb-frontends / cx24110.h

/*
    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
Commit	Line	Data
1da177e4 LT	1	/*
	2	cx24110 - Single Chip Satellite Channel Receiver driver module
	3
a8d995c9	4	Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
1da177e4 LT	5	work
	6	Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	22
	23	*/
	24
	25	#ifndef CX24110_H
	26	#define CX24110_H
	27
	28	#include <linux/dvb/frontend.h>
	29
	30	struct cx24110_config
	31	{
	32	/* the demodulator's i2c address */
	33	u8 demod_address;
1da177e4 LT	34	};
1da177e4 LT	35
d45b9b8a HV	36	static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
	37	{
	38	u8 buf[] = {
	39	(u8)((val >> 24) & 0xff),
	40	(u8)((val >> 16) & 0xff),
	41	(u8)((val >> 8) & 0xff)
	42	};
	43
c10d14d6	44	if (fe->ops.write)
d45b9b8a HV	45	return fe->ops.write(fe, buf, 3);
d45b9b8a HV	46	return 0;
c10d14d6	47	}
1da177e4	48
7b34be71	49	#if IS_ENABLED(CONFIG_DVB_CX24110)
102a342b AQ	50	extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
	51	struct i2c_adapter* i2c);
	52	#else
	53	static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
	54	struct i2c_adapter* i2c)
	55	{
271ddbf7	56	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
102a342b AQ	57	return NULL;
	58	}
	59	#endif // CONFIG_DVB_CX24110
	60
1da177e4	61	#endif // CX24110_H