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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* $FreeBSD$
*/
struct scd_mbx {
short retry;
short nblk;
int sz;
u_long skip;
struct bio * bp;
short count;
};
struct scd_data {
char double_speed;
char * name;
short flags;
int blksize;
u_long disksize;
int openflag;
struct {
unsigned int adr :4;
unsigned int ctl :4; /* xcdplayer needs this */
unsigned char start_msf[3];
} toc[MAX_TRACKS];
short first_track;
short last_track;
struct ioc_play_msf last_play;
short audio_status;
struct bio_queue_head head; /* head of bio queue */
struct scd_mbx mbx;
};
struct scd_softc {
device_t dev;
dev_t scd_dev_t;
int debug;
struct resource * port;
int port_rid;
int port_type;
bus_space_tag_t port_bst;
bus_space_handle_t port_bsh;
struct mtx mtx;
struct callout_handle ch;
int ch_state;
struct scd_mbx * ch_mbxsave;
struct scd_data data;
};
#define SCD_LOCK(_sc) splx(&(_sc)->mtx
#define SCD_UNLOCK(_sc) splx(&(_sc)->mtx
#define SCD_READ(_sc, _reg) \
bus_space_read_1(_sc->port_bst, _sc->port_bsh, _reg)
#define SCD_READ_MULTI(_sc, _reg, _addr, _count) \
bus_space_read_multi_1(_sc->port_bst, _sc->port_bsh, _reg, _addr, _count)
#define SCD_WRITE(_sc, _reg, _val) \
bus_space_write_1(_sc->port_bst, _sc->port_bsh, _reg, _val)
int scd_probe (struct scd_softc *);
int scd_attach (struct scd_softc *);
|