atasound.c (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) atasound.c (a3b2004a2671455ee7aef1d9aee5a24381999ddb)
1/*
2 * linux/arch/m68k/atari/atasound.c
3 *
4 * ++Geert: Moved almost all stuff to linux/drivers/sound/
5 *
6 * The author of atari_nosound, atari_mksound and atari_microwire_cmd is
7 * unknown. (++roman: That's me... :-)
8 *

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17
18
19#include <linux/sched.h>
20#include <linux/timer.h>
21#include <linux/major.h>
22#include <linux/fcntl.h>
23#include <linux/errno.h>
24#include <linux/mm.h>
1/*
2 * linux/arch/m68k/atari/atasound.c
3 *
4 * ++Geert: Moved almost all stuff to linux/drivers/sound/
5 *
6 * The author of atari_nosound, atari_mksound and atari_microwire_cmd is
7 * unknown. (++roman: That's me... :-)
8 *

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17
18
19#include <linux/sched.h>
20#include <linux/timer.h>
21#include <linux/major.h>
22#include <linux/fcntl.h>
23#include <linux/errno.h>
24#include <linux/mm.h>
25#include <linux/module.h>
25
26#include <asm/atarihw.h>
27#include <asm/system.h>
28#include <asm/irq.h>
29#include <asm/pgtable.h>
30#include <asm/atariints.h>
31
32

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38{
39 tt_microwire.mask = 0x7ff;
40 tt_microwire.data = MW_LM1992_ADDR | cmd;
41
42 /* Busy wait for data being completely sent :-( */
43 while( tt_microwire.mask != 0x7ff)
44 ;
45}
26
27#include <asm/atarihw.h>
28#include <asm/system.h>
29#include <asm/irq.h>
30#include <asm/pgtable.h>
31#include <asm/atariints.h>
32
33

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39{
40 tt_microwire.mask = 0x7ff;
41 tt_microwire.data = MW_LM1992_ADDR | cmd;
42
43 /* Busy wait for data being completely sent :-( */
44 while( tt_microwire.mask != 0x7ff)
45 ;
46}
47EXPORT_SYMBOL(atari_microwire_cmd);
46
47
48/* PSG base frequency */
49#define PSG_FREQ 125000
50/* PSG envelope base frequency times 10 */
51#define PSG_ENV_FREQ_10 78125
52
53void atari_mksound (unsigned int hz, unsigned int ticks)

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49
50/* PSG base frequency */
51#define PSG_FREQ 125000
52/* PSG envelope base frequency times 10 */
53#define PSG_ENV_FREQ_10 78125
54
55void atari_mksound (unsigned int hz, unsigned int ticks)

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