static int release_resource(sc_p scp) { int i, lid, flags; device_t dev; flags = 0; if (isa_get_vendorid(scp->dev)) lid = isa_get_logicalid(scp->dev); else { lid = LOGICALID_NOPNP; flags = device_get_flags(scp->dev); } switch(lid) { case LOGICALID_PCM: case LOGICALID_NOPNP: /* XXX Non-PnP */ for (i = 0 ; i < NELEM(scp->io) ; i++) { if (scp->io[i] != NULL) { bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); scp->io[i] = NULL; } } if (scp->irq != NULL) { bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid, scp->irq); scp->irq = NULL; } for (i = 0 ; i < NELEM(scp->drq) ; i++) { if (scp->drq[i] != NULL) { bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); scp->drq[i] = NULL; } } break; case LOGICALID_OPL: if (scp->io[0] != NULL) { bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]); scp->io[0] = NULL; } break; case LOGICALID_MIDI: if (scp->io[0] != NULL) { bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]); scp->io[0] = NULL; } if (scp->irq != NULL) { /* The irq is shared with pcm audio. */ dev = find_masterdev(scp); if (dev == NULL) return (1); BUS_RELEASE_RESOURCE(dev, NULL, SYS_RES_IOPORT, scp->irq_rid, scp->irq); scp->irq = NULL; } break; } return (0); }
static int alloc_resource(sc_p scp) { int i, base, lid, flags; device_t dev; flags = 0; if (isa_get_vendorid(scp->dev)) lid = isa_get_logicalid(scp->dev); else { lid = LOGICALID_NOPNP; flags = device_get_flags(scp->dev); } switch(lid) { case LOGICALID_PCM: case LOGICALID_NOPNP: /* XXX Non-PnP */ if (lid == LOGICALID_NOPNP) base = isa_get_port(scp->dev); else base = 0; for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) { if (scp->io[i] == NULL) { scp->io_rid[i] = i; if (base == 0) scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 0, ~0, io_range[i], RF_ACTIVE); else scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], base + io_offset[i], base + io_offset[i] + io_range[i] - 1 , io_range[i], RF_ACTIVE); if (scp->io[i] == NULL) return (1); scp->io_alloced[i] = 0; } } if (scp->irq == NULL) { scp->irq_rid = 0; scp->irq = bus_alloc_resource_any(scp->dev, SYS_RES_IRQ, &scp->irq_rid, RF_ACTIVE|RF_SHAREABLE); if (scp->irq == NULL) return (1); scp->irq_alloced = 0; } for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) { if (scp->drq[i] == NULL) { scp->drq_rid[i] = i; if (base == 0 || i == 0) scp->drq[i] = bus_alloc_resource_any( scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], RF_ACTIVE); else if ((flags & DV_F_DUAL_DMA) != 0) /* XXX The secondary drq is specified in the flag. */ scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], flags & DV_F_DRQ_MASK, flags & DV_F_DRQ_MASK, 1, RF_ACTIVE); if (scp->drq[i] == NULL) return (1); scp->drq_alloced[i] = 0; } } break; case LOGICALID_OPL: if (scp->io[0] == NULL) { scp->io_rid[0] = 0; scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0], 0, ~0, io_range[0], RF_ACTIVE); if (scp->io[0] == NULL) return (1); scp->io_alloced[0] = 0; } break; case LOGICALID_MIDI: if (scp->io[0] == NULL) { scp->io_rid[0] = 0; scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0], 0, ~0, io_range[0], RF_ACTIVE); if (scp->io[0] == NULL) return (1); scp->io_alloced[0] = 0; } if (scp->irq == NULL) { /* The irq is shared with pcm audio. */ dev = find_masterdev(scp); if (dev == NULL) return (1); scp->irq_rid = 0; scp->irq = BUS_ALLOC_RESOURCE(dev, NULL, SYS_RES_IRQ, &scp->irq_rid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); if (scp->irq == NULL) return (1); scp->irq_alloced = 0; } break; } return (0); }