blob: b5a9bc1247a2a63e836132c84f087b8750f60ff5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
/* RadioTrack (RadioReveal) include file.
* (c) 1997 M. Kirkwood
*
* Not in include/linux/ because there's no need for anyone
* to know about these details, I reckon.
*/
#ifndef __RTRACK_H
#define __RTRACK_H
#include <linux/radio.h>
void radiotrack_init(void);
int rt_setvol(struct radio_device *dev, int vol);
int rt_setband(struct radio_device *dev, int vol);
int rt_setfreq(struct radio_device *dev, int vol);
int rt_getsigstr(struct radio_device *dev);
/* frequency encoding stuff... */
/* we have to careful not to introduce fp stuff here */
#define RTRACK_ENCODE(x) (((((x)*2)/5)-(40*88))+0xf6c)
#define RTRACK_DECODE(x) (((((x)-0xf6c)+(40*88))*5)/2)
/* we shouldn't actually need the decode macro (or the excessive bracketing :-) */
#endif /* __RTRACK_H */
|
