static int
acpi_cpu_global_cx_lowest_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_cpu_softc *sc;
char state[8];
int val, error, i;
snprintf(state, sizeof(state), "C%d", cpu_cx_lowest + 1);
error = sysctl_handle_string(oidp, state, sizeof(state), req);
if (error != 0 || req->newptr == NULL)
return (error);
if (strlen(state) < 2 || toupper(state[0]) != 'C')
return (EINVAL);
val = (int) strtol(state + 1, NULL, 10) - 1;
if (val < 0 || val > cpu_cx_count - 1)
return (EINVAL);
cpu_cx_lowest = val;
/* Update the new lowest useable Cx state for all CPUs. */
ACPI_SERIAL_BEGIN(cpu);
for (i = 0; i < cpu_ndevices; i++) {
sc = device_get_softc(cpu_devices[i]);
acpi_cpu_set_cx_lowest(sc, val);
}
ACPI_SERIAL_END(cpu);
return (0);
}
static int
acpi_cmbat_bif(device_t dev, struct acpi_bif *bifp)
{
struct acpi_cmbat_softc *sc;
sc = device_get_softc(dev);
/*
* Just copy the data. The only value that should change is the
* last-full capacity, so we only update when we get a notify that says
* the info has changed. Many systems apparently take a long time to
* process a _BIF call so we avoid it if possible.
*/
ACPI_SERIAL_BEGIN(cmbat);
bifp->units = sc->bif.units;
bifp->dcap = sc->bif.dcap;
bifp->lfcap = sc->bif.lfcap;
bifp->btech = sc->bif.btech;
bifp->dvol = sc->bif.dvol;
bifp->wcap = sc->bif.wcap;
bifp->lcap = sc->bif.lcap;
bifp->gra1 = sc->bif.gra1;
bifp->gra2 = sc->bif.gra2;
strncpy(bifp->model, sc->bif.model, sizeof(sc->bif.model));
strncpy(bifp->serial, sc->bif.serial, sizeof(sc->bif.serial));
strncpy(bifp->type, sc->bif.type, sizeof(sc->bif.type));
strncpy(bifp->oeminfo, sc->bif.oeminfo, sizeof(sc->bif.oeminfo));
ACPI_SERIAL_END(cmbat);
return (0);
}
static int
acpi_fujitsu_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_fujitsu_softc *sc;
int method;
int arg;
int function_num, error = 0;
sc = (struct acpi_fujitsu_softc *)oidp->oid_arg1;
function_num = oidp->oid_arg2;
method = sysctl_table[function_num].method;
ACPI_SERIAL_BEGIN(fujitsu);
/* Get the current value */
arg = acpi_fujitsu_method_get(sc, method);
error = sysctl_handle_int(oidp, &arg, 0, req);
if (error != 0 || req->newptr == NULL)
goto out;
/* Update the value */
error = acpi_fujitsu_method_set(sc, method, arg);
out:
ACPI_SERIAL_END(fujitsu);
return (error);
}
static int
acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_panasonic_softc *sc;
UINT32 arg;
int function, error;
hkey_fn_t *handler;
sc = (struct acpi_panasonic_softc *)oidp->oid_arg1;
function = oidp->oid_arg2;
handler = sysctl_table[function].handler;
/* Get the current value from the appropriate function. */
ACPI_SERIAL_BEGIN(panasonic);
error = handler(sc->handle, HKEY_GET, &arg);
if (error != 0)
goto out;
/* Send the current value to the user and return if no new value. */
error = sysctl_handle_int(oidp, &arg, 0, req);
if (error != 0 || req->newptr == NULL)
goto out;
/* Set the new value via the appropriate function. */
error = handler(sc->handle, HKEY_SET, &arg);
out:
ACPI_SERIAL_END(panasonic);
return (error);
}
static int
acpi_pci_link_resume(device_t dev)
{
struct acpi_pci_link_softc *sc;
ACPI_STATUS status;
int i, routed;
/*
* If all of our links are routed, then restore the link via _SRS,
* otherwise, disable the link via _DIS.
*/
ACPI_SERIAL_BEGIN(pci_link);
sc = device_get_softc(dev);
routed = 0;
for (i = 0; i < sc->pl_num_links; i++)
if (sc->pl_links[i].l_routed)
routed++;
if (routed == sc->pl_num_links)
status = acpi_pci_link_route_irqs(dev);
else {
AcpiEvaluateObject(acpi_get_handle(dev), "_DIS", NULL, NULL);
status = AE_OK;
}
ACPI_SERIAL_END(pci_link);
if (ACPI_FAILURE(status))
return (ENXIO);
else
return (0);
}
static void
acpi_acad_get_status(void *context)
{
struct acpi_acad_softc *sc;
device_t dev;
ACPI_HANDLE h;
int newstatus;
dev = context;
sc = device_get_softc(dev);
h = acpi_get_handle(dev);
newstatus = -1;
acpi_GetInteger(h, "_PSR", &newstatus);
/* If status is valid and has changed, notify the system. */
ACPI_SERIAL_BEGIN(acad);
if (newstatus != -1 && sc->status != newstatus) {
sc->status = newstatus;
power_profile_set_state(newstatus ? POWER_PROFILE_PERFORMANCE :
POWER_PROFILE_ECONOMY);
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"%s Line\n", newstatus ? "On" : "Off");
acpi_UserNotify("ACAD", h, newstatus);
}
ACPI_SERIAL_END(acad);
}
/* XXX There should be a cleaner way to do this locking. */
static void
acpi_cmbat_get_bif_task(void *arg)
{
ACPI_SERIAL_BEGIN(cmbat);
acpi_cmbat_get_bif(arg);
ACPI_SERIAL_END(cmbat);
}
static void
acpi_cmbat_init_battery(void *arg)
{
struct acpi_cmbat_softc *sc;
int retry, valid;
device_t dev;
dev = (device_t)arg;
sc = device_get_softc(dev);
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization start\n");
/*
* Try repeatedly to get valid data from the battery. Since the
* embedded controller isn't always ready just after boot, we may have
* to wait a while.
*/
for (retry = 0; retry < ACPI_CMBAT_RETRY_MAX; retry++, AcpiOsSleep(10000)) {
/* batteries on DOCK can be ejected w/ DOCK during retrying */
if (!device_is_attached(dev))
return;
if (!acpi_BatteryIsPresent(dev))
continue;
/*
* Only query the battery if this is the first try or the specific
* type of info is still invalid.
*/
ACPI_SERIAL_BEGIN(cmbat);
if (retry == 0 || !acpi_battery_bst_valid(&sc->bst)) {
timespecclear(&sc->bst_lastupdated);
acpi_cmbat_get_bst(dev);
}
if (retry == 0 || !acpi_battery_bif_valid(&sc->bif))
acpi_cmbat_get_bif(dev);
valid = acpi_battery_bst_valid(&sc->bst) &&
acpi_battery_bif_valid(&sc->bif);
ACPI_SERIAL_END(cmbat);
if (valid)
break;
}
if (retry == ACPI_CMBAT_RETRY_MAX) {
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization failed, giving up\n");
} else {
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization done, tried %d times\n", retry + 1);
}
}
int
acpi_battery_register(device_t dev)
{
int error;
error = 0;
ACPI_SERIAL_BEGIN(battery);
if (!acpi_batteries_initted)
error = acpi_battery_init();
ACPI_SERIAL_END(battery);
return (error);
}
static void
acpi_panasonic_power_profile(void *arg)
{
ACPI_HANDLE handle;
UINT32 brightness;
handle = (ACPI_HANDLE)arg;
/* Reset current brightness according to new power state. */
ACPI_SERIAL_BEGIN(panasonic);
hkey_lcd_brightness(handle, HKEY_GET, &brightness);
hkey_lcd_brightness(handle, HKEY_SET, &brightness);
ACPI_SERIAL_END(panasonic);
}
static int
acpi_dock_attach(device_t dev)
{
struct acpi_dock_softc *sc;
ACPI_HANDLE h;
sc = device_get_softc(dev);
h = acpi_get_handle(dev);
if (sc == NULL || h == NULL)
return (ENXIO);
sc->status = ACPI_DOCK_STATUS_UNKNOWN;
AcpiEvaluateObject(h, "_INI", NULL, NULL);
ACPI_SERIAL_BEGIN(dock);
acpi_dock_device_check(dev);
/* Get the sysctl tree */
sc->sysctl_ctx = device_get_sysctl_ctx(dev);
sc->sysctl_tree = device_get_sysctl_tree(dev);
SYSCTL_ADD_INT(sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "_sta", CTLFLAG_RD,
&sc->_sta, 0, "Dock _STA");
SYSCTL_ADD_INT(sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "_bdn", CTLFLAG_RD,
&sc->_bdn, 0, "Dock _BDN");
SYSCTL_ADD_INT(sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "_uid", CTLFLAG_RD,
&sc->_uid, 0, "Dock _UID");
SYSCTL_ADD_PROC(sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "status",
CTLTYPE_INT|CTLFLAG_RW, dev, 0,
acpi_dock_status_sysctl, "I",
"Dock/Undock operation");
ACPI_SERIAL_END(dock);
AcpiInstallNotifyHandler(h, ACPI_ALL_NOTIFY,
acpi_dock_notify_handler, dev);
return (0);
}
static ACPI_STATUS
EcLock(struct acpi_ec_softc *sc)
{
ACPI_STATUS status;
ACPI_SERIAL_BEGIN(ec);
/* If _GLK is non-zero, acquire the global lock. */
status = AE_OK;
if (sc->ec_glk) {
status = AcpiAcquireGlobalLock(EC_LOCK_TIMEOUT, &sc->ec_glkhandle);
if (ACPI_FAILURE(status))
ACPI_SERIAL_END(ec);
}
return (status);
}
static void
acpi_fujitsu_notify_status_changed(void *arg)
{
struct acpi_fujitsu_softc *sc;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = (struct acpi_fujitsu_softc *)arg;
/*
* Since our notify function is called, we know something has
* happened. So the only reason for acpi_fujitsu_update to fail
* is if we can't find what has changed or an error occurs.
*/
ACPI_SERIAL_BEGIN(fujitsu);
acpi_fujitsu_update(sc);
ACPI_SERIAL_END(fujitsu);
}
/*
* PCI power manangement
*/
static int
acpi_pci_set_powerstate_method(device_t dev, device_t child, int state)
{
ACPI_HANDLE h;
ACPI_STATUS status;
int old_state, error;
error = 0;
if (state < ACPI_STATE_D0 || state > ACPI_STATE_D3)
return (EINVAL);
/*
* We set the state using PCI Power Management outside of setting
* the ACPI state. This means that when powering down a device, we
* first shut it down using PCI, and then using ACPI, which lets ACPI
* try to power down any Power Resources that are now no longer used.
* When powering up a device, we let ACPI set the state first so that
* it can enable any needed Power Resources before changing the PCI
* power state.
*/
ACPI_SERIAL_BEGIN(pci_powerstate);
old_state = pci_get_powerstate(child);
if (old_state < state && pci_do_power_suspend) {
error = pci_set_powerstate_method(dev, child, state);
if (error)
goto out;
}
h = acpi_get_handle(child);
status = acpi_pwr_switch_consumer(h, state);
if (ACPI_SUCCESS(status)) {
if (bootverbose)
device_printf(dev, "set ACPI power state D%d on %s\n",
state, acpi_name(h));
} else if (status != AE_NOT_FOUND)
device_printf(dev,
"failed to set ACPI power state D%d on %s: %s\n",
state, acpi_name(h), AcpiFormatException(status));
if (old_state > state && pci_do_power_resume)
error = pci_set_powerstate_method(dev, child, state);
out:
ACPI_SERIAL_END(pci_powerstate);
return (error);
}
static int
acpi_dock_status_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_dock_softc *sc;
device_t dev;
int status, err;
err = 0;
dev = (device_t)arg1;
sc = device_get_softc(dev);
status = sc->status;
ACPI_SERIAL_BEGIN(dock);
err = sysctl_handle_int(oidp, &status, 0, req);
if (err != 0 || req->newptr == NULL)
goto out;
if (status != ACPI_DOCK_STATUS_UNDOCKED &&
status != ACPI_DOCK_STATUS_DOCKED) {
err = EINVAL;
goto out;
}
if (status == sc->status)
goto out;
switch (status) {
case ACPI_DOCK_STATUS_UNDOCKED:
acpi_dock_removal(dev);
break;
case ACPI_DOCK_STATUS_DOCKED:
acpi_dock_device_check(dev);
break;
default:
err = EINVAL;
break;
}
out:
ACPI_SERIAL_END(dock);
return (err);
}
int
acpi_pci_link_route_interrupt(device_t dev, int index)
{
struct link *link;
if (acpi_disabled("pci_link"))
return (PCI_INVALID_IRQ);
ACPI_SERIAL_BEGIN(pci_link);
link = acpi_pci_link_lookup(dev, index);
if (link == NULL)
panic("%s: apparently invalid index %d", __func__, index);
/*
* If this link device is already routed to an interrupt, just return
* the interrupt it is routed to.
*/
if (link->l_routed) {
KASSERT(PCI_INTERRUPT_VALID(link->l_irq),
("%s: link is routed but has an invalid IRQ", __func__));
ACPI_SERIAL_END(pci_link);
return (link->l_irq);
}
/* Choose an IRQ if we need one. */
if (!PCI_INTERRUPT_VALID(link->l_irq)) {
link->l_irq = acpi_pci_link_choose_irq(dev, link);
/*
* Try to route the interrupt we picked. If it fails, then
* assume the interrupt is not routed.
*/
if (PCI_INTERRUPT_VALID(link->l_irq)) {
acpi_pci_link_route_irqs(dev);
if (!link->l_routed)
link->l_irq = PCI_INVALID_IRQ;
}
}
ACPI_SERIAL_END(pci_link);
return (link->l_irq);
}
static int
acpi_cmbat_bst(device_t dev, struct acpi_bst *bstp)
{
struct acpi_cmbat_softc *sc;
sc = device_get_softc(dev);
ACPI_SERIAL_BEGIN(cmbat);
if (acpi_BatteryIsPresent(dev)) {
acpi_cmbat_get_bst(dev);
bstp->state = sc->bst.state;
bstp->rate = sc->bst.rate;
bstp->cap = sc->bst.cap;
bstp->volt = sc->bst.volt;
} else
bstp->state = ACPI_BATT_STAT_NOT_PRESENT;
ACPI_SERIAL_END(cmbat);
return (0);
}
static void
acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify, void *context)
{
struct acpi_panasonic_softc *sc;
UINT32 key = 0;
sc = (struct acpi_panasonic_softc *)context;
switch (notify) {
case 0x80:
ACPI_SERIAL_BEGIN(panasonic);
if (acpi_panasonic_hkey_event(sc, h, &key) == 0) {
acpi_panasonic_hkey_action(sc, h, key);
acpi_UserNotify("Panasonic", h, (uint8_t)key);
}
ACPI_SERIAL_END(panasonic);
break;
default:
device_printf(sc->dev, "unknown notify: %#x\n", notify);
break;
}
}
static void
acpi_lid_notify_status_changed(void *arg)
{
struct acpi_lid_softc *sc;
struct acpi_softc *acpi_sc;
ACPI_STATUS status;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = (struct acpi_lid_softc *)arg;
ACPI_SERIAL_BEGIN(lid);
/*
* Evaluate _LID and check the return value, update lid status.
* Zero: The lid is closed
* Non-zero: The lid is open
*/
status = acpi_GetInteger(sc->lid_handle, "_LID", &sc->lid_status);
if (ACPI_FAILURE(status))
goto out;
acpi_sc = acpi_device_get_parent_softc(sc->lid_dev);
if (acpi_sc == NULL)
goto out;
ACPI_VPRINT(sc->lid_dev, acpi_sc, "Lid %s\n",
sc->lid_status ? "opened" : "closed");
acpi_UserNotify("Lid", sc->lid_handle, sc->lid_status);
if (sc->lid_status == 0)
EVENTHANDLER_INVOKE(acpi_sleep_event, acpi_sc->acpi_lid_switch_sx);
else
EVENTHANDLER_INVOKE(acpi_wakeup_event, acpi_sc->acpi_lid_switch_sx);
out:
ACPI_SERIAL_END(lid);
return_VOID;
}
static int
acpi_fujitsu_resume(device_t dev)
{
struct acpi_fujitsu_softc *sc;
ACPI_STATUS status;
sc = device_get_softc(dev);
/*
* The pointer needs to be re-enabled for
* some revisions of the P series (2120).
*/
ACPI_SERIAL_BEGIN(fujitsu);
if(sc->gmou.exists) {
status = acpi_SetInteger(sc->handle, "SMOU", 1);
if (ACPI_FAILURE(status))
device_printf(sc->dev, "Couldn't enable pointer\n");
}
ACPI_SERIAL_END(fujitsu);
return (0);
}
static int
acpi_fujitsu_attach(device_t dev)
{
struct acpi_fujitsu_softc *sc;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = device_get_softc(dev);
sc->dev = dev;
sc->handle = acpi_get_handle(dev);
/* Install notification handler */
AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
acpi_fujitsu_notify_handler, sc);
/* Snag our default values for the hotkeys / hotkey states. */
ACPI_SERIAL_BEGIN(fujitsu);
if (!acpi_fujitsu_init(sc))
device_printf(dev, "Couldn't initialize hotkey states!\n");
ACPI_SERIAL_END(fujitsu);
return (0);
}
static int
acpi_cpu_cx_lowest_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_cpu_softc *sc;
char state[8];
int val, error;
sc = (struct acpi_cpu_softc *) arg1;
snprintf(state, sizeof(state), "C%d", sc->cpu_cx_lowest + 1);
error = sysctl_handle_string(oidp, state, sizeof(state), req);
if (error != 0 || req->newptr == NULL)
return (error);
if (strlen(state) < 2 || toupper(state[0]) != 'C')
return (EINVAL);
val = (int) strtol(state + 1, NULL, 10) - 1;
if (val < 0 || val > sc->cpu_cx_count - 1)
return (EINVAL);
ACPI_SERIAL_BEGIN(cpu);
acpi_cpu_set_cx_lowest(sc, val);
ACPI_SERIAL_END(cpu);
return (0);
}
static void
acpi_dock_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
{
device_t dev;
dev = (device_t) context;
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"got notification %#x\n", notify);
ACPI_SERIAL_BEGIN(dock);
switch (notify) {
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
acpi_dock_device_check(dev);
break;
case ACPI_NOTIFY_EJECT_REQUEST:
acpi_dock_removal(dev);
break;
default:
device_printf(dev, "unknown notify %#x\n", notify);
break;
}
ACPI_SERIAL_END(dock);
}
/*
* Re-evaluate the _CST object when we are notified that it changed.
*
* XXX Re-evaluation disabled until locking is done.
*/
static void
acpi_cpu_notify(ACPI_HANDLE h, UINT32 notify, void *context)
{
struct acpi_cpu_softc *sc = (struct acpi_cpu_softc *)context;
struct acpi_cpu_softc *isc;
int i;
if (notify != ACPI_NOTIFY_CX_STATES)
return;
/* Update the list of Cx states. */
acpi_cpu_cx_cst(sc);
acpi_cpu_cx_list(sc);
/* Update the new lowest useable Cx state for all CPUs. */
ACPI_SERIAL_BEGIN(cpu);
cpu_cx_count = 0;
for (i = 0; i < cpu_ndevices; i++) {
isc = device_get_softc(cpu_devices[i]);
if (isc->cpu_cx_count > cpu_cx_count)
cpu_cx_count = isc->cpu_cx_count;
}
ACPI_SERIAL_END(cpu);
}
/*
* Route an interrupt for a child of the bridge.
*/
int
acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
ACPI_BUFFER *prtbuf)
{
ACPI_PCI_ROUTING_TABLE *prt;
struct prt_lookup_request pr;
ACPI_HANDLE lnkdev;
int interrupt;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
interrupt = PCI_INVALID_IRQ;
/* ACPI numbers pins 0-3, not 1-4 like the BIOS. */
pin--;
ACPI_SERIAL_BEGIN(pcib);
/* Search for a matching entry in the routing table. */
pr.pr_entry = NULL;
pr.pr_pin = pin;
pr.pr_slot = pci_get_slot(dev);
prt_walk_table(prtbuf, prt_lookup_device, &pr);
if (pr.pr_entry == NULL) {
device_printf(pcib, "no PRT entry for %d.%d.INT%c\n", pci_get_bus(dev),
pci_get_slot(dev), 'A' + pin);
goto out;
}
prt = pr.pr_entry;
if (bootverbose) {
device_printf(pcib, "matched entry for %d.%d.INT%c",
pci_get_bus(dev), pci_get_slot(dev), 'A' + pin);
if (prt->Source != NULL && prt->Source[0] != '\0')
printf(" (src %s:%u)", prt->Source, prt->SourceIndex);
printf("\n");
}
/*
* If source is empty/NULL, the source index is a global IRQ number
* and it's hard-wired so we're done.
*
* XXX: If the source index is non-zero, ignore the source device and
* assume that this is a hard-wired entry.
*/
if (prt->Source == NULL || prt->Source[0] == '\0' ||
prt->SourceIndex != 0) {
if (bootverbose)
device_printf(pcib, "slot %d INT%c hardwired to IRQ %d\n",
pci_get_slot(dev), 'A' + pin, prt->SourceIndex);
if (prt->SourceIndex) {
interrupt = prt->SourceIndex;
BUS_CONFIG_INTR(dev, interrupt, INTR_TRIGGER_LEVEL,
INTR_POLARITY_LOW);
} else
device_printf(pcib, "error: invalid hard-wired IRQ of 0\n");
goto out;
}
/*
* We have to find the source device (PCI interrupt link device).
*/
if (ACPI_FAILURE(AcpiGetHandle(ACPI_ROOT_OBJECT, prt->Source, &lnkdev))) {
device_printf(pcib, "couldn't find PCI interrupt link device %s\n",
prt->Source);
goto out;
}
interrupt = acpi_pci_link_route_interrupt(acpi_get_device(lnkdev),
prt->SourceIndex);
if (bootverbose && PCI_INTERRUPT_VALID(interrupt))
device_printf(pcib, "slot %d INT%c routed to irq %d via %s\n",
pci_get_slot(dev), 'A' + pin, interrupt, acpi_name(lnkdev));
out:
ACPI_SERIAL_END(pcib);
return_VALUE(interrupt);
}
static int
acpi_smbat_get_bst(device_t dev, struct acpi_bst *bst)
{
struct acpi_smbat_softc *sc;
int error;
uint32_t cap_units, factor;
int16_t val;
uint8_t addr;
ACPI_SERIAL_BEGIN(smbat);
addr = SMBATT_ADDRESS;
error = ENXIO;
sc = device_get_softc(dev);
if (!acpi_smbat_info_expired(&sc->bst_lastupdated)) {
error = 0;
goto out;
}
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_BATTERY_MODE, &val))
goto out;
if (val & SMBATT_BM_CAPACITY_MODE) {
factor = 10;
cap_units = ACPI_BIF_UNITS_MW;
} else {
factor = 1;
cap_units = ACPI_BIF_UNITS_MA;
}
/* get battery status */
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_BATTERY_STATUS, &val))
goto out;
sc->bst.state = 0;
if (val & SMBATT_BS_DISCHARGING)
sc->bst.state |= ACPI_BATT_STAT_DISCHARG;
if (val & SMBATT_BS_REMAINING_CAPACITY_ALARM)
sc->bst.state |= ACPI_BATT_STAT_CRITICAL;
/*
* If the rate is negative, it is discharging. Otherwise,
* it is charging.
*/
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_CURRENT, &val))
goto out;
if (val > 0) {
sc->bst.rate = val * factor;
sc->bst.state &= ~SMBATT_BS_DISCHARGING;
sc->bst.state |= ACPI_BATT_STAT_CHARGING;
} else if (val < 0)
sc->bst.rate = (-val) * factor;
else
sc->bst.rate = 0;
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_REMAINING_CAPACITY, &val))
goto out;
sc->bst.cap = val * factor;
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_VOLTAGE, &val))
goto out;
sc->bst.volt = val;
acpi_smbat_info_updated(&sc->bst_lastupdated);
error = 0;
out:
if (error == 0)
memcpy(bst, &sc->bst, sizeof(sc->bst));
ACPI_SERIAL_END(smbat);
return (error);
}
static int
aibs_sysctl(SYSCTL_HANDLER_ARGS)
{
struct aibs_softc *sc = arg1;
enum aibs_type st = arg2;
int i = oidp->oid_number;
ACPI_STATUS rs;
ACPI_OBJECT p, *bp;
ACPI_OBJECT_LIST mp;
ACPI_BUFFER b;
char *name;
struct aibs_sensor *as;
ACPI_INTEGER v, l, h;
int so[3];
switch (st) {
case AIBS_VOLT:
name = "RVLT";
as = sc->sc_asens_volt;
break;
case AIBS_TEMP:
name = "RTMP";
as = sc->sc_asens_temp;
break;
case AIBS_FAN:
name = "RFAN";
as = sc->sc_asens_fan;
break;
default:
return ENOENT;
}
if (as == NULL)
return ENOENT;
l = as[i].l;
h = as[i].h;
p.Type = ACPI_TYPE_INTEGER;
p.Integer.Value = as[i].i;
mp.Count = 1;
mp.Pointer = &p;
b.Length = ACPI_ALLOCATE_BUFFER;
ACPI_SERIAL_BEGIN(aibs);
rs = AcpiEvaluateObjectTyped(sc->sc_ah, name, &mp, &b,
ACPI_TYPE_INTEGER);
if (ACPI_FAILURE(rs)) {
ddevice_printf(sc->sc_dev,
"%s: %i: evaluation failed\n",
name, i);
ACPI_SERIAL_END(aibs);
return EIO;
}
bp = b.Pointer;
v = bp->Integer.Value;
AcpiOsFree(b.Pointer);
ACPI_SERIAL_END(aibs);
switch (st) {
case AIBS_VOLT:
break;
case AIBS_TEMP:
v += 2731;
l += 2731;
h += 2731;
break;
case AIBS_FAN:
break;
}
so[0] = v;
so[1] = l;
so[2] = h;
return sysctl_handle_opaque(oidp, &so, sizeof(so), req);
}
static int
acpi_smbat_get_bif(device_t dev, struct acpi_bif *bif)
{
struct acpi_smbat_softc *sc;
int error;
uint32_t factor;
uint16_t val;
uint8_t addr;
ACPI_SERIAL_BEGIN(smbat);
addr = SMBATT_ADDRESS;
error = ENXIO;
sc = device_get_softc(dev);
if (!acpi_smbat_info_expired(&sc->bif_lastupdated)) {
error = 0;
goto out;
}
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_BATTERY_MODE, &val))
goto out;
if (val & SMBATT_BM_CAPACITY_MODE) {
factor = 10;
sc->bif.units = ACPI_BIF_UNITS_MW;
} else {
factor = 1;
sc->bif.units = ACPI_BIF_UNITS_MA;
}
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_DESIGN_CAPACITY, &val))
goto out;
sc->bif.dcap = val * factor;
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_FULL_CHARGE_CAPACITY, &val))
goto out;
sc->bif.lfcap = val * factor;
sc->bif.btech = 1; /* secondary (rechargeable) */
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_DESIGN_VOLTAGE, &val))
goto out;
sc->bif.dvol = val;
sc->bif.wcap = sc->bif.dcap / 10;
sc->bif.lcap = sc->bif.dcap / 10;
sc->bif.gra1 = factor; /* not supported */
sc->bif.gra2 = factor; /* not supported */
if (acpi_smbus_read_multi_1(sc, addr, SMBATT_CMD_DEVICE_NAME,
sc->bif.model, sizeof(sc->bif.model)))
goto out;
if (acpi_smbus_read_2(sc, addr, SMBATT_CMD_SERIAL_NUMBER, &val))
goto out;
snprintf(sc->bif.serial, sizeof(sc->bif.serial), "0x%04x", val);
if (acpi_smbus_read_multi_1(sc, addr, SMBATT_CMD_DEVICE_CHEMISTRY,
sc->bif.type, sizeof(sc->bif.type)))
goto out;
if (acpi_smbus_read_multi_1(sc, addr, SMBATT_CMD_MANUFACTURER_DATA,
sc->bif.oeminfo, sizeof(sc->bif.oeminfo)))
goto out;
/* XXX check if device was replugged during read? */
acpi_smbat_info_updated(&sc->bif_lastupdated);
error = 0;
out:
if (error == 0)
memcpy(bif, &sc->bif, sizeof(sc->bif));
ACPI_SERIAL_END(smbat);
return (error);
}
void
acpi_pci_link_add_reference(device_t dev, int index, device_t pcib, int slot,
int pin)
{
struct link *link;
uint8_t bios_irq;
uintptr_t bus;
/*
* Look up the PCI bus for the specified PCI bridge device. Note
* that the PCI bridge device might not have any children yet.
* However, looking up its bus number doesn't require a valid child
* device, so we just pass NULL.
*/
if (BUS_READ_IVAR(pcib, NULL, PCIB_IVAR_BUS, &bus) != 0) {
device_printf(pcib, "Unable to read PCI bus number");
panic("PCI bridge without a bus number");
}
/* Bump the reference count. */
ACPI_SERIAL_BEGIN(pci_link);
link = acpi_pci_link_lookup(dev, index);
if (link == NULL) {
device_printf(dev, "apparently invalid index %d\n", index);
ACPI_SERIAL_END(pci_link);
return;
}
link->l_references++;
if (link->l_routed)
pci_link_interrupt_weights[link->l_irq]++;
/*
* The BIOS only routes interrupts via ISA IRQs using the ATPICs
* (8259As). Thus, if this link is routed via an ISA IRQ, go
* look to see if the BIOS routed an IRQ for this link at the
* indicated (bus, slot, pin). If so, we prefer that IRQ for
* this link and add that IRQ to our list of known-good IRQs.
* This provides a good work-around for link devices whose _CRS
* method is either broken or bogus. We only use the value
* returned by _CRS if we can't find a valid IRQ via this method
* in fact.
*
* If this link is not routed via an ISA IRQ (because we are using
* APIC for example), then don't bother looking up the BIOS IRQ
* as if we find one it won't be valid anyway.
*/
if (!link->l_isa_irq) {
ACPI_SERIAL_END(pci_link);
return;
}
/* Try to find a BIOS IRQ setting from any matching devices. */
bios_irq = acpi_pci_link_search_irq(bus, slot, pin);
if (!PCI_INTERRUPT_VALID(bios_irq)) {
ACPI_SERIAL_END(pci_link);
return;
}
/* Validate the BIOS IRQ. */
if (!link_valid_irq(link, bios_irq)) {
device_printf(dev, "BIOS IRQ %u for %d.%d.INT%c is invalid\n",
bios_irq, (int)bus, slot, pin + 'A');
} else if (!PCI_INTERRUPT_VALID(link->l_bios_irq)) {
link->l_bios_irq = bios_irq;
if (bios_irq < NUM_ISA_INTERRUPTS)
pci_link_bios_isa_irqs |= (1 << bios_irq);
if (bios_irq != link->l_initial_irq &&
PCI_INTERRUPT_VALID(link->l_initial_irq))
device_printf(dev,
"BIOS IRQ %u does not match initial IRQ %u\n",
bios_irq, link->l_initial_irq);
} else if (bios_irq != link->l_bios_irq)
device_printf(dev,
"BIOS IRQ %u for %d.%d.INT%c does not match previous BIOS IRQ %u\n",
bios_irq, (int)bus, slot, pin + 'A',
link->l_bios_irq);
ACPI_SERIAL_END(pci_link);
}
static int
acpi_pci_link_attach(device_t dev)
{
struct acpi_pci_link_softc *sc;
struct link_count_request creq;
struct link_res_request rreq;
ACPI_STATUS status;
int i;
sc = device_get_softc(dev);
sc->pl_dev = dev;
ACPI_SERIAL_BEGIN(pci_link);
/*
* Count the number of current resources so we know how big of
* a link array to allocate. On some systems, _CRS is broken,
* so for those systems try to derive the count from _PRS instead.
*/
creq.in_dpf = DPF_OUTSIDE;
creq.count = 0;
status = AcpiWalkResources(acpi_get_handle(dev), "_CRS",
acpi_count_irq_resources, &creq);
sc->pl_crs_bad = ACPI_FAILURE(status);
if (sc->pl_crs_bad) {
creq.in_dpf = DPF_OUTSIDE;
creq.count = 0;
status = AcpiWalkResources(acpi_get_handle(dev), "_PRS",
acpi_count_irq_resources, &creq);
if (ACPI_FAILURE(status)) {
device_printf(dev,
"Unable to parse _CRS or _PRS: %s\n",
AcpiFormatException(status));
ACPI_SERIAL_END(pci_link);
return (ENXIO);
}
}
sc->pl_num_links = creq.count;
if (creq.count == 0) {
ACPI_SERIAL_END(pci_link);
return (0);
}
sc->pl_links = malloc(sizeof(struct link) * sc->pl_num_links,
M_PCI_LINK, M_WAITOK | M_ZERO);
/* Initialize the child links. */
for (i = 0; i < sc->pl_num_links; i++) {
sc->pl_links[i].l_irq = PCI_INVALID_IRQ;
sc->pl_links[i].l_bios_irq = PCI_INVALID_IRQ;
sc->pl_links[i].l_sc = sc;
sc->pl_links[i].l_isa_irq = FALSE;
sc->pl_links[i].l_res_index = -1;
}
/* Try to read the current settings from _CRS if it is valid. */
if (!sc->pl_crs_bad) {
rreq.in_dpf = DPF_OUTSIDE;
rreq.link_index = 0;
rreq.res_index = 0;
rreq.sc = sc;
status = AcpiWalkResources(acpi_get_handle(dev), "_CRS",
link_add_crs, &rreq);
if (ACPI_FAILURE(status)) {
device_printf(dev, "Unable to parse _CRS: %s\n",
AcpiFormatException(status));
goto fail;
}
}
/*
* Try to read the possible settings from _PRS. Note that if the
* _CRS is toast, we depend on having a working _PRS. However, if
* _CRS works, then it is ok for _PRS to be missing.
*/
rreq.in_dpf = DPF_OUTSIDE;
rreq.link_index = 0;
rreq.res_index = 0;
rreq.sc = sc;
status = AcpiWalkResources(acpi_get_handle(dev), "_PRS",
link_add_prs, &rreq);
if (ACPI_FAILURE(status) &&
(status != AE_NOT_FOUND || sc->pl_crs_bad)) {
device_printf(dev, "Unable to parse _PRS: %s\n",
AcpiFormatException(status));
goto fail;
}
if (bootverbose)
acpi_pci_link_dump(sc, 1, "Initial Probe");
/* Verify initial IRQs if we have _PRS. */
if (status != AE_NOT_FOUND)
for (i = 0; i < sc->pl_num_links; i++)
if (!link_valid_irq(&sc->pl_links[i],
sc->pl_links[i].l_irq))
sc->pl_links[i].l_irq = PCI_INVALID_IRQ;
if (bootverbose)
acpi_pci_link_dump(sc, 0, "Validation");
/* Save initial IRQs. */
for (i = 0; i < sc->pl_num_links; i++)
sc->pl_links[i].l_initial_irq = sc->pl_links[i].l_irq;
/*
* Try to disable this link. If successful, set the current IRQ to
* zero and flags to indicate this link is not routed. If we can't
* run _DIS (i.e., the method doesn't exist), assume the initial
* IRQ was routed by the BIOS.
*/
if (ACPI_SUCCESS(AcpiEvaluateObject(acpi_get_handle(dev), "_DIS", NULL,
NULL)))
for (i = 0; i < sc->pl_num_links; i++)
sc->pl_links[i].l_irq = PCI_INVALID_IRQ;
else
for (i = 0; i < sc->pl_num_links; i++)
if (PCI_INTERRUPT_VALID(sc->pl_links[i].l_irq))
sc->pl_links[i].l_routed = TRUE;
if (bootverbose)
acpi_pci_link_dump(sc, 0, "After Disable");
ACPI_SERIAL_END(pci_link);
return (0);
fail:
ACPI_SERIAL_END(pci_link);
for (i = 0; i < sc->pl_num_links; i++)
if (sc->pl_links[i].l_irqs != NULL)
free(sc->pl_links[i].l_irqs, M_PCI_LINK);
free(sc->pl_links, M_PCI_LINK);
return (ENXIO);
}
