STATIC void
cardslotattach(struct device *parent, struct device *self, void *aux)
{
struct cardslot_softc *sc = (struct cardslot_softc *)self;
struct cardslot_attach_args *caa = aux;
struct cbslot_attach_args *cba = caa->caa_cb_attach;
struct pcmciabus_attach_args *pa = caa->caa_16_attach;
struct cardbus_softc *csc;
struct pcmcia_softc *psc;
sc->sc_slot = sc->sc_dev.dv_unit;
sc->sc_cb_softc = NULL;
sc->sc_16_softc = NULL;
SIMPLEQ_INIT(&sc->sc_events);
sc->sc_th_enable = 0;
printf(" slot %d flags %x\n", sc->sc_slot,
sc->sc_dev.dv_cfdata->cf_flags);
DPRINTF(("%s attaching CardBus bus...\n", sc->sc_dev.dv_xname));
if (cba != NULL) {
if ((csc = (void *)config_found(self, cba,
cardslot_cb_print)) != NULL) {
/* cardbus found */
DPRINTF(("cardslotattach: found cardbus on %s\n",
sc->sc_dev.dv_xname));
sc->sc_cb_softc = csc;
}
}
if (pa != NULL) {
if ((psc = (void *)config_found_sm(self, pa, cardslot_16_print,
cardslot_16_submatch)) != NULL) {
/* pcmcia 16-bit bus found */
DPRINTF(("cardslotattach: found 16-bit pcmcia bus\n"));
sc->sc_16_softc = psc;
/* XXX: dirty. This code should be removed
* to achieve MI
*/
caa->caa_ph->pcmcia = (struct device *)psc;
}
}
if (csc != NULL || psc != NULL)
kthread_create_deferred(create_slot_manager, (void *)sc);
if (csc && (csc->sc_cf->cardbus_ctrl)(csc->sc_cc, CARDBUS_CD)) {
DPRINTF(("cardslotattach: CardBus card found\n"));
/* attach deferred */
cardslot_event_throw(sc, CARDSLOT_EVENT_INSERTION_CB);
}
if (psc && (psc->pct->card_detect)(psc->pch)) {
DPRINTF(("cardbusattach: 16-bit card found\n"));
/* attach deferred */
cardslot_event_throw(sc, CARDSLOT_EVENT_INSERTION_16);
}
}
void
pxapcic_attach(struct pxapcic_softc *sc,
void (*socket_setup_hook)(struct pxapcic_socket *))
{
struct pcmciabus_attach_args paa;
struct pxapcic_socket *so;
int i;
printf(": %d slot%s\n", sc->sc_nslots, sc->sc_nslots==1 ? "" : "s");
if (bus_space_map(sc->sc_iot, PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE,
0, &sc->sc_memctl_ioh)) {
printf("%s: failed to map MEMCTL\n", sc->sc_dev.dv_xname);
return;
}
/* Clear CIT (card present) and set NOS correctly. */
bus_space_write_4(sc->sc_iot, sc->sc_memctl_ioh, MEMCTL_MECR,
sc->sc_nslots == 2 ? MECR_NOS : 0);
/* zaurus: configure slot 1 first to make internal drive be wd0. */
for (i = sc->sc_nslots-1; i >= 0; i--) {
so = &sc->sc_socket[i];
so->sc = sc;
so->socket = i;
so->flags = 0;
socket_setup_hook(so);
paa.paa_busname = "pcmcia";
paa.pct = (pcmcia_chipset_tag_t)&pxapcic_pcmcia_functions;
paa.pch = (pcmcia_chipset_handle_t)so;
paa.iobase = 0;
paa.iosize = 0x4000000;
so->pcmcia = config_found_sm(&sc->sc_dev, &paa,
pxapcic_print, pxapcic_submatch);
pxa2x0_gpio_set_function(sc->sc_irqpin[i], GPIO_IN);
pxa2x0_gpio_set_function(sc->sc_irqcfpin[i], GPIO_IN);
/* Card slot interrupt */
so->irq = pxa2x0_gpio_intr_establish(sc->sc_irqcfpin[i],
IST_EDGE_BOTH, IPL_BIO /* XXX */, pxapcic_intr, so,
sc->sc_dev.dv_xname);
/* GPIO pin for interrupt */
so->irqpin = sc->sc_irqpin[i];
#ifdef DO_CONFIG_PENDING
config_pending_incr();
#endif
kthread_create_deferred(pxapcic_create_event_thread, so);
}
}
void
wskbd_hotkey_init(void)
{
if (wskbd_hotkey_initted == 0) {
simple_lock_init(&queue_lock);
queue_head = queue_tail = 0;
kthread_create_deferred(init_hotkey_thread, NULL);
wskbd_hotkey_initted = 1;
}
}
void
usbf_attach(struct device *parent, struct device *self, void *aux)
{
struct usbf_softc *sc = (struct usbf_softc *)self;
int usbrev;
int speed;
usbf_status err;
/* Continue to set up the bus struct. */
sc->sc_bus = aux;
sc->sc_bus->usbfctl = sc;
usbrev = sc->sc_bus->usbrev;
printf(": USB revision %s", usbrev_str[usbrev]);
switch (usbrev) {
case USBREV_2_0:
speed = USB_SPEED_HIGH;
break;
case USBREV_1_1:
case USBREV_1_0:
speed = USB_SPEED_FULL;
break;
default:
printf(", not supported\n");
sc->sc_dying = 1;
return;
}
printf("\n");
/* Initialize the usbf struct. */
TAILQ_INIT(&sc->sc_tskq);
/* Establish the software interrupt. */
if (usbf_softintr_establish(sc->sc_bus)) {
printf("%s: can't establish softintr\n", DEVNAME(sc));
sc->sc_dying = 1;
return;
}
/* Attach the function driver. */
err = usbf_new_device(self, sc->sc_bus, 0, speed, 0, &sc->sc_port);
if (err) {
printf("%s: usbf_new_device failed, %s\n", DEVNAME(sc),
usbf_errstr(err));
sc->sc_dying = 1;
return;
}
/* Create a process context for asynchronous tasks. */
config_pending_incr();
kthread_create_deferred(usbf_create_thread, sc);
}
void
pxa2x0_apm_attach_sub(struct pxa2x0_apm_softc *sc)
{
sc->sc_iot = &pxa2x0_bs_tag;
if (bus_space_map(sc->sc_iot, PXA2X0_POWMAN_BASE,
PXA2X0_POWMAN_SIZE, 0, &sc->sc_pm_ioh)) {
printf("pxa2x0_apm_attach_sub: failed to map POWMAN\n");
return;
}
rw_init(&sc->sc_lock, "apmlk");
kthread_create_deferred(apm_thread_create, sc);
printf("\n");
if (bus_space_map(sc->sc_iot, PXA2X0_CLKMAN_BASE, PXA2X0_CLKMAN_SIZE,
0, &pxa2x0_clkman_ioh)) {
printf("%s: failed to map CLKMAN\n", sc->sc_dev.dv_xname);
return;
}
if (bus_space_map(sc->sc_iot, PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE,
0, &pxa2x0_memctl_ioh)) {
printf("%s: failed to map MEMCTL\n", sc->sc_dev.dv_xname);
return;
}
sc->sc_memctl_ioh = pxa2x0_memctl_ioh;
if (bus_space_map(sc->sc_iot, PXA2X0_GPIO_BASE, PXA2X0_GPIO_SIZE,
0, &pxa2x0_gpio_ioh)) {
printf("%s: can't map GPIO\n", sc->sc_dev.dv_xname);
return;
}
/* Clear all reset status flags. */
bus_space_write_4(sc->sc_iot, sc->sc_pm_ioh, POWMAN_RCSR,
RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR);
}
struct taskq *
taskq_create(const char *name, unsigned int nthreads, int ipl,
unsigned int flags)
{
struct taskq *tq;
tq = malloc(sizeof(*tq), M_DEVBUF, M_WAITOK);
if (tq == NULL)
return (NULL);
tq->tq_state = TQ_S_CREATED;
tq->tq_running = 0;
tq->tq_nthreads = nthreads;
tq->tq_name = name;
tq->tq_flags = flags;
mtx_init(&tq->tq_mtx, ipl);
TAILQ_INIT(&tq->tq_worklist);
/* try to create a thread to guarantee that tasks will be serviced */
kthread_create_deferred(taskq_create_thread, tq);
return (tq);
}
void
taskq_init(void)
{
kthread_create_deferred(taskq_create_thread, systq);
kthread_create_deferred(taskq_create_thread, systqmp);
}
void
uvm_init()
{
vaddr_t kvm_start, kvm_end;
/*
* step 0: ensure that the hardware set the page size
*/
if (uvmexp.pagesize == 0) {
panic("uvm_init: page size not set");
}
/*
* step 1: zero the uvm structure
*/
memset(&uvm, 0, sizeof(uvm));
averunnable.fscale = FSCALE;
/*
* step 2: init the page sub-system. this includes allocating the
* vm_page structures, and setting up all the page queues (and
* locks). available memory will be put in the "free" queue.
* kvm_start and kvm_end will be set to the area of kernel virtual
* memory which is available for general use.
*/
uvm_page_init(&kvm_start, &kvm_end);
/*
* step 3: init the map sub-system. allocates the static pool of
* vm_map_entry structures that are used for "special" kernel maps
* (e.g. kernel_map, kmem_map, etc...).
*/
uvm_map_init();
/*
* step 4: setup the kernel's virtual memory data structures. this
* includes setting up the kernel_map/kernel_object and the kmem_map/
* kmem_object.
*/
uvm_km_init(kvm_start, kvm_end);
/*
* step 5: init the pmap module. the pmap module is free to allocate
* memory for its private use (e.g. pvlists).
*/
pmap_init();
/*
* step 6: init the kernel memory allocator. after this call the
* kernel memory allocator (malloc) can be used.
*/
uvm_km_page_init();
kmeminit();
#if !defined(__HAVE_PMAP_DIRECT)
kthread_create_deferred(uvm_km_createthread, NULL);
#endif
/*
* step 7: init all pagers and the pager_map.
*/
uvm_pager_init();
/*
* step 8: init anonymous memory system
*/
amap_init(); /* init amap module */
/*
* the VM system is now up! now that malloc is up we can resize the
* <obj,off> => <page> hash table for general use and enable paging
* of kernel objects.
*/
uvm_page_rehash();
uao_create(VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS,
UAO_FLAG_KERNSWAP);
/*
* reserve some unmapped space for malloc/pool use after free usage
*/
#ifdef DEADBEEF0
kvm_start = trunc_page(DEADBEEF0) - PAGE_SIZE;
if (uvm_map(kernel_map, &kvm_start, 3 * PAGE_SIZE,
NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_NONE,
UVM_PROT_NONE, UVM_INH_NONE, UVM_ADV_RANDOM, UVM_FLAG_FIXED)))
panic("uvm_init: cannot reserve dead beef @0x%x\n", DEADBEEF0);
#endif
#ifdef DEADBEEF1
kvm_start = trunc_page(DEADBEEF1) - PAGE_SIZE;
if (uvm_map(kernel_map, &kvm_start, 3 * PAGE_SIZE,
NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_NONE,
UVM_PROT_NONE, UVM_INH_NONE, UVM_ADV_RANDOM, UVM_FLAG_FIXED)))
panic("uvm_init: cannot reserve dead beef @0x%x\n", DEADBEEF1);
#endif
/*
* init anonymous memory systems
*/
uvm_anon_init();
}
void
tslot_attach(struct device *parent, struct device *self, void *args)
{
struct confargs *ca = args;
struct tslot_softc *sc = (struct tslot_softc *)self;
struct romaux *ra;
struct rom_range ranges[TS102_NUM_RANGES], *range;
struct tslot_data *td;
volatile u_int8_t *regs;
int node, nranges, slot, rnum;
ra = &ca->ca_ra;
node = ra->ra_node;
regs = mapiodev(&ra->ra_reg[0], 0, ra->ra_len);
/*
* Find memory ranges
*/
nranges = getproplen(node, "ranges") / sizeof(struct rom_range);
if (nranges < TS102_NUM_RANGES) {
printf(": expected %d memory ranges, got %d\n",
TS102_NUM_RANGES, nranges);
return;
}
getprop(node, "ranges", ranges, sizeof ranges);
/*
* Ranges being relative to this sbus slot, turn them into absolute
* addresses.
*/
for (rnum = 0; rnum < TS102_NUM_RANGES; rnum++) {
ranges[rnum].poffset -= TS102_OFFSET_REGISTERS;
}
sc->sc_ih.ih_fun = tslot_intr;
sc->sc_ih.ih_arg = sc;
intr_establish(ra->ra_intr[0].int_pri, &sc->sc_ih, -1, self->dv_xname);
printf(" pri %d", ra->ra_intr[0].int_pri);
printf(": %d slots\n", TS102_NUM_SLOTS);
/*
* Setup asynchronous event handler
*/
sc->sc_events = 0;
kthread_create_deferred(tslot_create_event_thread, sc);
sc->sc_pct = (pcmcia_chipset_tag_t)&tslot_functions;
/*
* Setup slots
*/
for (slot = 0; slot < TS102_NUM_SLOTS; slot++) {
td = &sc->sc_slot[slot];
for (rnum = 0; rnum < TS102_RANGE_CNT; rnum++) {
range = ranges + (slot * TS102_RANGE_CNT + rnum);
td->td_rr = ra->ra_reg[0];
td->td_rr.rr_iospace = range->pspace;
td->td_rr.rr_paddr = (void *)
((u_int32_t)td->td_rr.rr_paddr + range->poffset);
td->td_space[rnum] = (vaddr_t)mapiodev(&td->td_rr, 0,
TS102_ARBITRARY_MAP_SIZE);
}
td->td_parent = sc;
td->td_regs = regs +
slot * (TS102_REG_CARD_B_INT - TS102_REG_CARD_A_INT);
td->td_slot = slot;
SET_TAG_LITTLE_ENDIAN(&td->td_rr);
tslot_reset(td, TS102_ARBITRARY_MAP_SIZE);
}
}
/*
* Attach the interface. Allocate softc structures, do ifmedia
* setup and ethernet/BPF attach.
*/
void
wi_usb_attach(struct device *parent, struct device *self, void *aux)
{
struct wi_usb_softc *sc = (struct wi_usb_softc *)self;
struct usb_attach_arg *uaa = aux;
/* int s; */
struct usbd_device *dev = uaa->device;
struct usbd_interface *iface;
usbd_status err;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i;
DPRINTFN(5,(" : wi_usb_attach: sc=%p", sc));
err = usbd_set_config_no(dev, WI_USB_CONFIG_NO, 1);
if (err) {
printf("%s: setting config no failed\n", sc->wi_usb_dev.dv_xname);
return;
}
/* XXX - any tasks? */
err = usbd_device2interface_handle(dev, WI_USB_IFACE_IDX, &iface);
if (err) {
printf("%s: getting interface handle failed\n",
sc->wi_usb_dev.dv_xname);
return;
}
/* XXX - flags? */
sc->wi_usb_udev = dev;
sc->wi_usb_iface = iface;
sc->wi_usb_product = uaa->product;
sc->wi_usb_vendor = uaa->vendor;
sc->sc_wi.wi_usb_cdata = sc;
sc->sc_wi.wi_flags |= WI_FLAGS_BUS_USB;
sc->wi_lock = 0;
sc->wi_lockwait = 0;
sc->wi_resetonce = 0;
id = usbd_get_interface_descriptor(iface);
/* Find endpoints. */
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: couldn't get endpoint descriptor %d\n",
sc->wi_usb_dev.dv_xname, i);
return;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
sc->wi_usb_ed[WI_USB_ENDPT_RX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
sc->wi_usb_ed[WI_USB_ENDPT_TX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
sc->wi_usb_ed[WI_USB_ENDPT_INTR] = ed->bEndpointAddress;
}
}
sc->wi_usb_nummem = 0;
/* attach wi device */
if (wi_usb_rx_list_init(sc)) {
printf("%s: rx list init failed\n",
sc->wi_usb_dev.dv_xname);
return;
}
if (wi_usb_tx_list_init(sc)) {
printf("%s: tx list init failed\n",
sc->wi_usb_dev.dv_xname);
return;
}
if (wi_usb_open_pipes(sc)){
printf("%s: open pipes failed\n",
sc->wi_usb_dev.dv_xname);
return;
}
sc->wi_usb_attached = 1;
kthread_create_deferred(wi_usb_start_thread, sc);
}
void
apmattach(struct device *parent, struct device *self, void *aux)
{
struct bios_attach_args *ba = aux;
bios_apminfo_t *ap = ba->ba_apmp;
struct apm_softc *sc = (void *)self;
struct apmregs regs;
u_int cbase, clen, l;
bus_space_handle_t ch16, ch32, dh;
apm_flags = ap->apm_detail;
/*
* set up GDT descriptors for APM
*/
if (apm_flags & APM_32BIT_SUPPORTED) {
/* truncate segments' limits to a page */
ap->apm_code_len -= (ap->apm_code32_base +
ap->apm_code_len + 1) & 0xfff;
ap->apm_code16_len -= (ap->apm_code16_base +
ap->apm_code16_len + 1) & 0xfff;
ap->apm_data_len -= (ap->apm_data_base +
ap->apm_data_len + 1) & 0xfff;
/* adjust version */
if ((sc->sc_dev.dv_cfdata->cf_flags & APM_VERMASK) &&
(apm_flags & APM_VERMASK) !=
(sc->sc_dev.dv_cfdata->cf_flags & APM_VERMASK))
apm_flags = (apm_flags & ~APM_VERMASK) |
(sc->sc_dev.dv_cfdata->cf_flags & APM_VERMASK);
if (sc->sc_dev.dv_cfdata->cf_flags & APM_NOCLI) {
extern int apm_cli; /* from apmcall.S */
apm_cli = 0;
}
if (sc->sc_dev.dv_cfdata->cf_flags & APM_BEBATT)
sc->be_batt = 1;
apm_ep.seg = GSEL(GAPM32CODE_SEL,SEL_KPL);
apm_ep.entry = ap->apm_entry;
cbase = min(ap->apm_code32_base, ap->apm_code16_base);
clen = max(ap->apm_code32_base + ap->apm_code_len,
ap->apm_code16_base + ap->apm_code16_len) - cbase;
if ((cbase <= ap->apm_data_base &&
cbase + clen >= ap->apm_data_base) ||
(ap->apm_data_base <= cbase &&
ap->apm_data_base + ap->apm_data_len >= cbase)) {
l = max(ap->apm_data_base + ap->apm_data_len + 1,
cbase + clen + 1) -
min(ap->apm_data_base, cbase);
bus_space_map(ba->ba_memt,
min(ap->apm_data_base, cbase),
l, 1, &dh);
ch16 = dh;
if (ap->apm_data_base < cbase)
ch16 += cbase - ap->apm_data_base;
else
dh += ap->apm_data_base - cbase;
} else {
bus_space_map(ba->ba_memt, cbase, clen + 1, 1, &ch16);
bus_space_map(ba->ba_memt, ap->apm_data_base,
ap->apm_data_len + 1, 1, &dh);
}
ch32 = ch16;
if (ap->apm_code16_base == cbase)
ch32 += ap->apm_code32_base - cbase;
else
ch16 += ap->apm_code16_base - cbase;
setgdt(GAPM32CODE_SEL, (void *)ch32, ap->apm_code_len,
SDT_MEMERA, SEL_KPL, 1, 0);
setgdt(GAPM16CODE_SEL, (void *)ch16, ap->apm_code16_len,
SDT_MEMERA, SEL_KPL, 0, 0);
setgdt(GAPMDATA_SEL, (void *)dh, ap->apm_data_len, SDT_MEMRWA,
SEL_KPL, 1, 0);
DPRINTF((": flags %x code 32:%x/%x[%x] 16:%x/%x[%x] "
"data %x/%x/%x ep %x (%x:%x)\n%s", apm_flags,
ap->apm_code32_base, ch32, ap->apm_code_len,
ap->apm_code16_base, ch16, ap->apm_code16_len,
ap->apm_data_base, dh, ap->apm_data_len,
ap->apm_entry, apm_ep.seg, ap->apm_entry+ch32,
sc->sc_dev.dv_xname));
apm_set_ver(sc);
if (apm_flags & APM_BIOS_PM_DISABLED)
apm_powmgt_enable(1);
/* Engage cooperative power management on all devices (v1.1) */
apm_powmgt_engage(1, APM_DEV_ALLDEVS);
bzero(®s, sizeof(regs));
if (apm_get_powstat(®s) != 0)
apm_perror("get power status", ®s);
apm_cpu_busy();
rw_init(&sc->sc_lock, "apmlk");
/*
* Do a check once, ignoring any errors. This avoids
* gratuitous APM disconnects on laptops where the first
* event in the queue (after a boot) is non-recognizable.
* The IBM ThinkPad 770Z is one of those.
*/
apm_periodic_check(sc);
if (apm_periodic_check(sc) == -1) {
apm_disconnect(sc);
/* Failed, nuke APM idle loop */
cpu_idle_enter_fcn = NULL;
cpu_idle_cycle_fcn = NULL;
cpu_idle_leave_fcn = NULL;
} else {
kthread_create_deferred(apm_thread_create, sc);
/* Setup APM idle loop */
if (apm_flags & APM_IDLE_SLOWS) {
cpu_idle_enter_fcn = apm_cpu_slow;
cpu_idle_cycle_fcn = NULL;
cpu_idle_leave_fcn = apm_cpu_busy;
} else {
cpu_idle_enter_fcn = NULL;
cpu_idle_cycle_fcn = apm_cpu_idle;
cpu_idle_leave_fcn = NULL;
}
/* All is well, let the rest of the world know */
acpiapm_open = apmopen;
acpiapm_close = apmclose;
acpiapm_ioctl = apmioctl;
acpiapm_kqfilter = apmkqfilter;
apm_attached = 1;
}
} else {
setgdt(GAPM32CODE_SEL, NULL, 0, 0, 0, 0, 0);
setgdt(GAPM16CODE_SEL, NULL, 0, 0, 0, 0, 0);
setgdt(GAPMDATA_SEL, NULL, 0, 0, 0, 0, 0);
}
}
void
xlights_attach(struct device *parent, struct device *self, void *aux)
{
struct xlights_softc *sc = (struct xlights_softc *)self;
struct confargs *ca = aux;
int nseg, error, intr[6];
u_int32_t reg[4];
int type;
sc->sc_node = OF_child(ca->ca_node);
OF_getprop(sc->sc_node, "reg", reg, sizeof(reg));
ca->ca_reg[0] += ca->ca_baseaddr;
ca->ca_reg[2] += ca->ca_baseaddr;
if ((sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1])) == NULL) {
printf(": cannot map registers\n");
return;
}
sc->sc_dmat = ca->ca_dmat;
if ((sc->sc_dma = mapiodev(ca->ca_reg[2], ca->ca_reg[3])) == NULL) {
printf(": cannot map DMA registers\n");
goto nodma;
}
if ((sc->sc_dbdma = dbdma_alloc(sc->sc_dmat, BL_DBDMA_CMDS)) == NULL) {
printf(": cannot alloc DMA descriptors\n");
goto nodbdma;
}
sc->sc_dmacmd = sc->sc_dbdma->d_addr;
if ((error = bus_dmamem_alloc(sc->sc_dmat, BL_BUFSZ, 0, 0,
sc->sc_bufseg, 1, &nseg, BUS_DMA_NOWAIT))) {
printf(": cannot allocate DMA mem (%d)\n", error);
goto nodmamem;
}
if ((error = bus_dmamem_map(sc->sc_dmat, sc->sc_bufseg, nseg,
BL_BUFSZ, (caddr_t *)&sc->sc_buf, BUS_DMA_NOWAIT))) {
printf(": cannot map DMA mem (%d)\n", error);
goto nodmamap;
}
sc->sc_bufpos = sc->sc_buf;
if ((error = bus_dmamap_create(sc->sc_dmat, BL_BUFSZ, 1, BL_BUFSZ, 0,
BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->sc_bufmap))) {
printf(": cannot create DMA map (%d)\n", error);
goto nodmacreate;
}
if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_bufmap, sc->sc_buf,
BL_BUFSZ, NULL, BUS_DMA_NOWAIT))) {
printf(": cannot load DMA map (%d)\n", error);
goto nodmaload;
}
/* XXX: Should probably extract this from the clock data
* property of the soundchip node */
sc->sc_freq = 16384;
OF_getprop(sc->sc_node, "interrupts", intr, sizeof(intr));
/* output interrupt */
sc->sc_intr = intr[2];
type = intr[3] ? IST_LEVEL : IST_EDGE;
printf(": irq %d\n", sc->sc_intr);
macobio_enable(I2SClockOffset, I2S0EN);
out32rb(sc->sc_reg + I2S_INT, I2S_INT_CLKSTOPPEND);
macobio_disable(I2SClockOffset, I2S0CLKEN);
for (error = 0; error < 1000; error++) {
if (in32rb(sc->sc_reg + I2S_INT) & I2S_INT_CLKSTOPPEND) {
error = 0;
break;
}
delay(1);
}
if (error) {
printf("%s: i2s timeout\n", sc->sc_dev.dv_xname);
goto nodmaload;
}
mac_intr_establish(parent, sc->sc_intr, intr[3] ? IST_LEVEL :
type, IPL_AUDIO, xlights_intr, sc, sc->sc_dev.dv_xname);
out32rb(sc->sc_reg + I2S_FORMAT, CLKSRC_VS);
macobio_enable(I2SClockOffset, I2S0CLKEN);
kthread_create_deferred(xlights_deferred, sc);
timeout_set(&sc->sc_tmo, xlights_timeout, sc);
return;
nodmaload:
bus_dmamap_destroy(sc->sc_dmat, sc->sc_bufmap);
nodmacreate:
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_buf, BL_BUFSZ);
nodmamap:
bus_dmamem_free(sc->sc_dmat, sc->sc_bufseg, nseg);
nodmamem:
dbdma_free(sc->sc_dbdma);
nodbdma:
unmapiodev((void *)sc->sc_dma, ca->ca_reg[3]);
nodma:
unmapiodev(sc->sc_reg, ca->ca_reg[1]);
}
