static int
tdfx_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
int nprot, vm_memattr_t *memattr)
{
/*
* mmap(2) is called by a user process to request that an area of memory
* associated with this device be mapped for the process to work with. Nprot
* holds the protections requested, PROT_READ, PROT_WRITE, or both.
*/
/**** OLD GET CONFIG ****/
/* struct tdfx_softc* tdfx_info; */
/* Get the configuration for our card XXX*/
/*tdfx_info = dev->si_drv1; */
/************************/
struct tdfx_softc* tdfx_info[2];
tdfx_info[0] = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass, 0);
/* If, for some reason, its not configured, we bail out */
if(tdfx_info[0] == NULL) {
#ifdef DEBUG
printf("tdfx: tdfx_info (softc) is NULL\n");
#endif
return -1;
}
/* We must stay within the bound of our address space */
if((offset & 0xff000000) == tdfx_info[0]->addr0) {
offset &= 0xffffff;
*paddr = rman_get_start(tdfx_info[0]->memrange) + offset;
return 0;
}
if(tdfx_count > 1) {
tdfx_info[1] = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass, 1);
if((offset & 0xff000000) == tdfx_info[1]->addr0) {
offset &= 0xffffff;
*paddr = rman_get_start(tdfx_info[1]->memrange) +
offset;
return 0;
}
}
/* See if the Banshee/V3 LFB is being requested */
/*if(tdfx_info->memrange2 != NULL && (offset & 0xff000000) ==
tdfx_info->addr1) {
offset &= 0xffffff;
return atop(rman_get_start(tdfx_info[1]->memrange2) + offset);
}*/ /* VoodooNG code */
/* The ret call */
/* atop -> address to page
* rman_get_start, get the (struct resource*)->r_start member,
* the mapping base address.
*/
return -1;
}
static int
smapi_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
{
struct smapi_softc *sc;
int error;
error = 0;
sc = devclass_get_softc(smapi_devclass, dev2unit(dev));
if (sc == NULL) {
error = ENXIO;
goto fail;
}
switch (cmd) {
case SMAPIOGHEADER:
bcopy((caddr_t)sc->header, data,
sizeof(struct smapi_bios_header));
error = 0;
break;
case SMAPIOCGFUNCTION:
smapi32_offset = sc->smapi32_entry;
error = smapi32((struct smapi_bios_parameter *)data,
(struct smapi_bios_parameter *)data);
break;
default:
error = ENOTTY;
}
fail:
return (error);
}
static int
tdfx_do_pio_wt(struct tdfx_pio_data *piod)
{
/* return val */
u_int8_t ret_byte;
u_int workport;
struct tdfx_softc *tdfx_info = (struct
tdfx_softc*)devclass_get_softc(tdfx_devclass, piod->device);
/* Replace old switch w/ massive if(...) */
/* Restricts the access of ports other than those we use */
if(((piod->port != SC_INDEX) && (piod->port != SC_DATA) &&
(piod->port != VGA_MISC_OUTPUT_READ)) /* Can't write VGA_ST_1C */ &&
(piod->port < tdfx_info->pio0) && (piod->port > tdfx_info->pio0max))
return -EPERM;
/* All VGA STATUS REGS are byte registers, size should never be > 1 */
if(piod->size != 1) {
return -EINVAL;
}
/* Write the data to the intended port */
copyin(piod->value, &ret_byte, sizeof(u_int8_t));
workport = piod->port;
outb(workport, ret_byte);
return 0;
}
/* For both of these, I added a variable named workport of type u_int so
* that I could eliminate the warning about my data type size. The
* applications expect the port to be of type short, so I needed to change
* this within the function */
static int
tdfx_do_pio_rd(struct tdfx_pio_data *piod)
{
/* Return val */
u_int8_t ret_byte;
u_int workport;
struct tdfx_softc *tdfx_info =
(struct tdfx_softc*)devclass_get_softc(tdfx_devclass, piod->device);
/* Restricts the access of ports other than those we use */
if(((piod->port != VGA_INPUT_STATUS_1C) || (piod->port != SC_INDEX) ||
(piod->port != SC_DATA) || (piod->port != VGA_MISC_OUTPUT_READ)) &&
(piod->port < tdfx_info->pio0) && (piod->port > tdfx_info->pio0max))
return -EPERM;
/* All VGA STATUS REGS are byte registers, size should never be > 1 */
if(piod->size != 1) {
return -EINVAL;
}
/* Write the data to the intended port */
workport = piod->port;
ret_byte = inb(workport);
copyout(&ret_byte, piod->value, sizeof(u_int8_t));
return 0;
}
static void
mpt_link_peer(struct mpt_softc *mpt)
{
struct mpt_softc *mpt2;
if (mpt->unit == 0) {
return;
}
/*
* XXX: depends on probe order
*/
mpt2 = (struct mpt_softc *)devclass_get_softc(mpt_devclass,mpt->unit-1);
if (mpt2 == NULL) {
return;
}
if (pci_get_vendor(mpt2->dev) != pci_get_vendor(mpt->dev)) {
return;
}
if (pci_get_device(mpt2->dev) != pci_get_device(mpt->dev)) {
return;
}
mpt->mpt2 = mpt2;
mpt2->mpt2 = mpt;
if (mpt->verbose >= MPT_PRT_DEBUG) {
mpt_prt(mpt, "linking with peer (mpt%d)\n",
device_get_unit(mpt2->dev));
}
}
static int
ucom_dev_write(struct dev_write_args *ap)
{
cdev_t dev = ap->a_head.a_dev;
struct ucom_softc *sc;
struct tty *tp;
int error;
sc = devclass_get_softc(ucom_devclass, minor(dev));
lwkt_gettoken(&tty_token);
tp = sc->sc_tty;
DPRINTF("ucomwrite: tp = %p, flag = 0x%x\n", tp, ap->a_ioflag);
#if 0 /* XXXDF */
if (sc->sc_dying) {
lwkt_reltoken(&tty_token);
return (EIO);
}
#endif
error = (*linesw[tp->t_line].l_write)(tp, ap->a_uio, ap->a_ioflag);
DPRINTF("ucomwrite: error = %d\n", error);
lwkt_reltoken(&tty_token);
return (error);
}
ACPI_STATUS
AcpiOsRemoveInterruptHandler(UINT32 InterruptNumber, ACPI_OSD_HANDLER ServiceRoutine)
{
struct acpi_softc *sc;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
if (!acpi_sci_enabled())
return_ACPI_STATUS (AE_OK);
if (InterruptNumber > 255 || ServiceRoutine == NULL)
return_ACPI_STATUS (AE_BAD_PARAMETER);
if ((sc = devclass_get_softc(devclass_find("acpi"), 0)) == NULL)
panic("can't find ACPI device to deregister interrupt");
if (sc->acpi_irq == NULL)
return_ACPI_STATUS (AE_NOT_EXIST);
bus_teardown_intr(sc->acpi_dev, sc->acpi_irq, sc->acpi_irq_handle);
bus_release_resource(sc->acpi_dev, SYS_RES_IRQ, 0, sc->acpi_irq);
bus_delete_resource(sc->acpi_dev, SYS_RES_IRQ, 0);
sc->acpi_irq = NULL;
InterruptHandler = NULL;
return_ACPI_STATUS (AE_OK);
}
/*
* Print the command queue states for controller 0 (callable from DDB)
*/
void
aac_printstate0(void)
{
struct aac_softc *sc;
sc = devclass_get_softc(devclass_find("aac"), 0);
aac_print_queues(sc);
switch (sc->aac_hwif) {
case AAC_HWIF_I960RX:
case AAC_HWIF_NARK:
device_printf(sc->aac_dev, "IDBR 0x%08x IIMR 0x%08x "
"IISR 0x%08x\n", AAC_MEM0_GETREG4(sc, AAC_RX_IDBR),
AAC_MEM0_GETREG4(sc, AAC_RX_IIMR), AAC_MEM0_GETREG4(sc, AAC_RX_IISR));
device_printf(sc->aac_dev, "ODBR 0x%08x OIMR 0x%08x "
"OISR 0x%08x\n", AAC_MEM0_GETREG4(sc, AAC_RX_ODBR),
AAC_MEM0_GETREG4(sc, AAC_RX_OIMR), AAC_MEM0_GETREG4(sc, AAC_RX_OISR));
AAC_MEM0_SETREG4(sc, AAC_RX_OIMR, 0/*~(AAC_DB_COMMAND_READY |
AAC_DB_RESPONSE_READY | AAC_DB_PRINTF)*/);
device_printf(sc->aac_dev, "ODBR 0x%08x OIMR 0x%08x "
"OISR 0x%08x\n", AAC_MEM0_GETREG4(sc, AAC_RX_ODBR),
AAC_MEM0_GETREG4(sc, AAC_RX_OIMR), AAC_MEM0_GETREG4(sc, AAC_RX_OISR));
break;
case AAC_HWIF_STRONGARM:
/* XXX implement */
break;
}
}
/*
* Kevent handler. Writing is always possible, reading is only possible
* if BSR_BULK_IN_FULL is set. Will start the cmx_tick callout and
* set sc->polling.
*/
static int
cmx_kqfilter(struct dev_kqfilter_args *ap)
{
cdev_t dev = ap->a_head.a_dev;
struct knote *kn = ap->a_kn;
struct cmx_softc *sc;
struct klist *klist;
ap->a_result = 0;
sc = devclass_get_softc(cmx_devclass, minor(dev));
switch (kn->kn_filter) {
case EVFILT_READ:
kn->kn_fop = &cmx_read_filterops;
kn->kn_hook = (caddr_t)sc;
break;
case EVFILT_WRITE:
kn->kn_fop = &cmx_write_filterops;
kn->kn_hook = (caddr_t)sc;
break;
default:
ap->a_result = EOPNOTSUPP;
return (0);
}
klist = &sc->kq.ki_note;
knote_insert(klist, kn);
return (0);
}
/*
* Close the character device.
*/
static int
cmx_close(struct dev_close_args *ap)
{
cdev_t dev = ap->a_head.a_dev;
struct cmx_softc *sc;
sc = devclass_get_softc(cmx_devclass, minor(dev));
if (sc == NULL || sc->dying)
return ENXIO;
CMX_LOCK(sc);
if (!sc->open) {
CMX_UNLOCK(sc);
return EINVAL;
}
if (sc->polling) {
DEBUG_printf(sc->dev, "disabling polling\n");
callout_stop(&sc->ch);
sc->polling = 0;
CMX_UNLOCK(sc);
KNOTE(&sc->kq.ki_note, 0);
CMX_LOCK(sc);
}
sc->open = 0;
CMX_UNLOCK(sc);
DEBUG_printf(sc->dev, "close (flags=%b thread=%p)\n",
ap->a_fflag, MODEBITS, curthread);
return 0;
}
