int
ppc_attach(device_t dev)
{
struct ppc_data *ppc = DEVTOSOFTC(dev);
device_t ppbus;
device_t parent = device_get_parent(dev);
device_printf(dev, "%s chipset (%s) in %s mode%s\n",
ppc_models[ppc->ppc_model], ppc_avms[ppc->ppc_avm],
ppc_modes[ppc->ppc_mode], (PPB_IS_EPP(ppc->ppc_mode)) ?
ppc_epp_protocol[ppc->ppc_epp] : "");
if (ppc->ppc_fifo)
device_printf(dev, "FIFO with %d/%d/%d bytes threshold\n",
ppc->ppc_fifo, ppc->ppc_wthr, ppc->ppc_rthr);
if ((ppc->ppc_avm & PPB_ECP) && (ppc->ppc_dmachan > 0)) {
/* acquire the DMA channel forever */ /* XXX */
isa_dma_acquire(ppc->ppc_dmachan);
isa_dmainit(ppc->ppc_dmachan, 1024); /* nlpt.BUFSIZE */
}
/* add ppbus as a child of this isa to parallel bridge */
ppbus = device_add_child(dev, "ppbus", -1);
/*
* Probe the ppbus and attach devices found.
*/
device_probe_and_attach(ppbus);
/* register the ppc interrupt handler as default */
if (ppc->res_irq) {
/* default to the tty mask for registration */ /* XXX */
if (BUS_SETUP_INTR(parent, dev, ppc->res_irq, INTR_TYPE_TTY,
ppcintr, dev, &ppc->intr_cookie) == 0) {
/* remember the ppcintr is registered */
ppc->ppc_registered = 1;
}
}
return (0);
}
int
ppc_attach(device_t dev)
{
struct ppc_data *ppc = DEVTOSOFTC(dev);
int error;
mtx_init(&ppc->ppc_lock, device_get_nameunit(dev), "ppc", MTX_DEF);
device_printf(dev, "%s chipset (%s) in %s mode%s\n",
ppc_models[ppc->ppc_model], ppc_avms[ppc->ppc_avm],
ppc_modes[ppc->ppc_mode], (PPB_IS_EPP(ppc->ppc_mode)) ?
ppc_epp_protocol[ppc->ppc_epp] : "");
if (ppc->ppc_fifo)
device_printf(dev, "FIFO with %d/%d/%d bytes threshold\n",
ppc->ppc_fifo, ppc->ppc_wthr, ppc->ppc_rthr);
if (ppc->res_irq) {
/* default to the tty mask for registration */ /* XXX */
error = bus_setup_intr(dev, ppc->res_irq, INTR_TYPE_TTY |
INTR_MPSAFE, NULL, ppcintr, ppc, &ppc->intr_cookie);
if (error) {
device_printf(dev,
"failed to register interrupt handler: %d\n",
error);
mtx_destroy(&ppc->ppc_lock);
return (error);
}
}
/* add ppbus as a child of this isa to parallel bridge */
ppc->ppbus = device_add_child(dev, "ppbus", -1);
/*
* Probe the ppbus and attach devices found.
*/
device_probe_and_attach(ppc->ppbus);
return (0);
}
