sys/dev/mcd/mcdvar.h

   1 /*
   2  * $FreeBSD$
   3  */
   4
   5 struct mcd_mbx {
   6         short           retry;
   7         short           nblk;
   8         int             sz;
   9         u_long          skip;
  10         struct bio *    bp;
  11         short           count;
  12         short           mode;
  13 };
  14
  15 struct mcd_data {
  16         short                   type;
  17         char *                  name;
  18         short                   config;
  19         short                   flags;
  20         u_char                  read_command;
  21         short                   status;
  22         int                     blksize;
  23         u_long                  disksize;
  24         int                     partflags;
  25         int                     openflags;
  26         struct mcd_volinfo      volinfo;
  27         struct mcd_qchninfo     toc[MCD_MAXTOCS];
  28         short                   audio_status;
  29         short                   curr_mode;
  30         struct mcd_read2        lastpb;
  31         short                   debug;
  32         struct bio_queue_head   head;        /* head of bio queue */
  33         struct mcd_mbx          mbx;
  34 };
  35
  36 struct mcd_softc {
  37         device_t                dev;
  38         struct cdev *mcd_dev_t;
  39         int                     debug;
  40
  41         struct resource *       port;
  42         int                     port_rid;
  43         int                     port_type;
  44         bus_space_tag_t         port_bst;
  45         bus_space_handle_t      port_bsh;
  46
  47         struct resource *       irq;
  48         int                     irq_rid;
  49         int                     irq_type;
  50         void *                  irq_ih;
  51
  52         struct resource *       drq;
  53         int                     drq_rid;
  54         int                     drq_type;
  55
  56         struct mtx              mtx;
  57
  58         struct callout_handle   ch;
  59         int                     ch_state;
  60         struct mcd_mbx *        ch_mbxsave;
  61
  62         struct mcd_data         data;
  63 };
  64
  65 #define MCD_LOCK(_sc)           splx(&(_sc)->mtx
  66 #define MCD_UNLOCK(_sc)         splx(&(_sc)->mtx
  67
  68 #define MCD_READ(_sc, _reg) \
  69         bus_space_read_1(_sc->port_bst, _sc->port_bsh, _reg)
  70 #define MCD_WRITE(_sc, _reg, _val) \
  71         bus_space_write_1(_sc->port_bst, _sc->port_bsh, _reg, _val)
  72
  73 int     mcd_probe       (struct mcd_softc *);
  74 int     mcd_attach      (struct mcd_softc *);