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67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
/*
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* $FreeBSD$
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*/
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struct scd_mbx {
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short retry;
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short nblk;
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int sz;
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u_long skip;
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struct bio * bp;
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short count;
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};
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struct scd_data {
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char double_speed;
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char * name;
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short flags;
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int blksize;
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u_long disksize;
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int openflag;
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struct {
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unsigned int adr :4;
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unsigned int ctl :4; /* xcdplayer needs this */
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unsigned char start_msf[3];
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} toc[MAX_TRACKS];
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short first_track;
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short last_track;
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struct ioc_play_msf last_play;
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short audio_status;
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struct bio_queue_head head; /* head of bio queue */
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struct scd_mbx mbx;
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};
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struct scd_softc {
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device_t dev;
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struct cdev *scd_dev_t;
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int debug;
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struct resource * port;
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int port_rid;
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int port_type;
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bus_space_tag_t port_bst;
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bus_space_handle_t port_bsh;
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struct mtx mtx;
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struct callout_handle ch;
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int ch_state;
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struct scd_mbx * ch_mbxsave;
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struct scd_data data;
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};
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#define SCD_LOCK(_sc) splx(&(_sc)->mtx
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#define SCD_UNLOCK(_sc) splx(&(_sc)->mtx
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#define SCD_READ(_sc, _reg) \
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bus_space_read_1(_sc->port_bst, _sc->port_bsh, _reg)
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#define SCD_READ_MULTI(_sc, _reg, _addr, _count) \
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bus_space_read_multi_1(_sc->port_bst, _sc->port_bsh, _reg, _addr, _count)
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#define SCD_WRITE(_sc, _reg, _val) \
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bus_space_write_1(_sc->port_bst, _sc->port_bsh, _reg, _val)
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int scd_probe (struct scd_softc *);
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int scd_attach (struct scd_softc *);
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