1 /* 2 * $FreeBSD$ 3 */ 4 5 struct scd_mbx { 6 short retry; 7 short nblk; 8 int sz; 9 u_long skip; 10 struct bio * bp; 11 short count; 12 }; 13 14 struct scd_data { 15 char double_speed; 16 char * name; 17 short flags; 18 int blksize; 19 u_long disksize; 20 int openflag; 21 struct { 22 unsigned int adr :4; 23 unsigned int ctl :4; /* xcdplayer needs this */ 24 unsigned char start_msf[3]; 25 } toc[MAX_TRACKS]; 26 short first_track; 27 short last_track; 28 struct ioc_play_msf last_play; 29 30 short audio_status; 31 struct bio_queue_head head; /* head of bio queue */ 32 struct scd_mbx mbx; 33 }; 34 35 struct scd_softc { 36 device_t dev; 37 struct cdev *scd_dev_t; 38 int debug; 39 40 struct resource * port; 41 int port_rid; 42 int port_type; 43 44 struct mtx mtx; 45 46 struct callout timer; 47 int ch_state; 48 struct scd_mbx * ch_mbxsave; 49 50 struct scd_data data; 51 }; 52 53 #define SCD_LOCK(_sc) mtx_lock(&_sc->mtx) 54 #define SCD_UNLOCK(_sc) mtx_unlock(&_sc->mtx) 55 #define SCD_ASSERT_LOCKED(_sc) mtx_assert(&_sc->mtx, MA_OWNED) 56 57 #define SCD_READ(_sc, _reg) \ 58 bus_read_1(_sc->port, _reg) 59 #define SCD_READ_MULTI(_sc, _reg, _addr, _count) \ 60 bus_read_multi_1(_sc->port, _reg, _addr, _count) 61 #define SCD_WRITE(_sc, _reg, _val) \ 62 bus_write_1(_sc->port, _reg, _val) 63 64 int scd_probe (struct scd_softc *); 65 int scd_attach (struct scd_softc *); 66