/*
* Get the current temperature.
*/
static int
acpi_tz_get_temperature(struct acpi_tz_softc *sc)
{
int temp;
ACPI_STATUS status;
ACPI_FUNCTION_NAME ("acpi_tz_get_temperature");
/* Evaluate the thermal zone's _TMP method. */
status = acpi_GetInteger(sc->tz_handle, acpi_tz_tmp_name, &temp);
if (ACPI_FAILURE(status)) {
ACPI_VPRINT(sc->tz_dev, acpi_device_get_parent_softc(sc->tz_dev),
"error fetching current temperature -- %s\n",
AcpiFormatException(status));
return (FALSE);
}
/* Check it for validity. */
acpi_tz_sanity(sc, &temp, acpi_tz_tmp_name);
if (temp == -1)
return (FALSE);
ACPI_DEBUG_PRINT((ACPI_DB_VALUES, "got %d.%dC\n", TZ_KELVTOC(temp)));
sc->tz_temperature = temp;
return (TRUE);
}
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);
}
static int
acpi_sony_attach(device_t dev)
{
struct acpi_sony_softc *sc;
int i;
sc = device_get_softc(dev);
acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid);
device_printf(dev, "PID %x\n", sc->pid);
for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++) {
if (acpi_sony_oids[i].setmethod != NULL) {
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
i, acpi_sony_oids[i].nodename ,
CTLTYPE_INT | CTLFLAG_RW,
dev, i, sysctl_acpi_sony_gen_handler, "I",
acpi_sony_oids[i].comment);
} else {
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
i, acpi_sony_oids[i].nodename ,
CTLTYPE_INT | CTLFLAG_RD,
dev, i, sysctl_acpi_sony_gen_handler, "I",
acpi_sony_oids[i].comment);
}
}
return (0);
}
static int
acpi_smbat_attach(device_t dev)
{
struct acpi_smbat_softc *sc;
uint32_t base;
sc = device_get_softc(dev);
if (ACPI_FAILURE(acpi_GetInteger(acpi_get_handle(dev), "_EC", &base))) {
device_printf(dev, "cannot get EC base address\n");
return (ENXIO);
}
sc->sb_base_addr = (base >> 8) & 0xff;
/* XXX Only works with one EC, but nearly all systems only have one. */
sc->ec_dev = devclass_get_device(devclass_find("acpi_ec"), 0);
if (sc->ec_dev == NULL) {
device_printf(dev, "cannot find EC device\n");
return (ENXIO);
}
timespecclear(&sc->bif_lastupdated);
timespecclear(&sc->bst_lastupdated);
if (acpi_battery_register(dev) != 0) {
device_printf(dev, "cannot register battery\n");
return (ENXIO);
}
return (0);
}
static ACPI_STATUS
acpi_pci_save_handle(ACPI_HANDLE handle, UINT32 level, void *context,
void **status)
{
struct acpi_pci_devinfo *dinfo;
device_t *devlist;
int devcount, i, func, slot;
UINT32 address;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
if (ACPI_FAILURE(acpi_GetInteger(handle, "_ADR", &address)))
return_ACPI_STATUS (AE_OK);
slot = ACPI_ADR_PCI_SLOT(address);
func = ACPI_ADR_PCI_FUNC(address);
if (device_get_children((device_t)context, &devlist, &devcount) != 0)
return_ACPI_STATUS (AE_OK);
for (i = 0; i < devcount; i++) {
dinfo = device_get_ivars(devlist[i]);
if (dinfo->ap_dinfo.cfg.func == func &&
dinfo->ap_dinfo.cfg.slot == slot) {
dinfo->ap_handle = handle;
acpi_pci_update_device(handle, devlist[i]);
break;
}
}
free(devlist, M_TEMP);
return_ACPI_STATUS (AE_OK);
}
/*
* Look for an ECDT and if we find one, set up default GPE and
* space handlers to catch attempts to access EC space before
* we have a real driver instance in place.
*
* TODO: Some old Gateway laptops need us to fake up an ECDT or
* otherwise attach early so that _REG methods can run.
*/
void
acpi_ec_ecdt_probe(device_t parent)
{
ACPI_TABLE_ECDT *ecdt;
ACPI_STATUS status;
device_t child;
ACPI_HANDLE h;
struct acpi_ec_params *params;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
/* Find and validate the ECDT. */
status = AcpiGetTable(ACPI_SIG_ECDT, 1, (ACPI_TABLE_HEADER **)&ecdt);
if (ACPI_FAILURE(status) ||
ecdt->Control.BitWidth != 8 ||
ecdt->Data.BitWidth != 8) {
return;
}
/* Create the child device with the given unit number. */
child = BUS_ADD_CHILD(parent, parent, 0, "acpi_ec", ecdt->Uid);
if (child == NULL) {
kprintf("%s: can't add child\n", __func__);
return;
}
/* Find and save the ACPI handle for this device. */
status = AcpiGetHandle(NULL, ecdt->Id, &h);
if (ACPI_FAILURE(status)) {
device_delete_child(parent, child);
kprintf("%s: can't get handle\n", __func__);
return;
}
acpi_set_handle(child, h);
/* Set the data and CSR register addresses. */
bus_set_resource(child, SYS_RES_IOPORT, 0, ecdt->Data.Address,
/*count*/1, -1);
bus_set_resource(child, SYS_RES_IOPORT, 1, ecdt->Control.Address,
/*count*/1, -1);
/*
* Store values for the probe/attach routines to use. Store the
* ECDT GPE bit and set the global lock flag according to _GLK.
* Note that it is not perfectly correct to be evaluating a method
* before initializing devices, but in practice this function
* should be safe to call at this point.
*/
params = kmalloc(sizeof(struct acpi_ec_params), M_TEMP, M_WAITOK | M_ZERO);
params->gpe_handle = NULL;
params->gpe_bit = ecdt->Gpe;
params->uid = ecdt->Uid;
acpi_GetInteger(h, "_GLK", ¶ms->glk);
acpi_set_private(child, params);
/* Finish the attach process. */
if (device_probe_and_attach(child) != 0)
device_delete_child(parent, child);
}
/*
* Query the get methods to determine what functionality is available
* from the hardware function hotkeys.
*/
static uint8_t
acpi_fujitsu_check_hardware(struct acpi_fujitsu_softc *sc)
{
int val;
ACPI_SERIAL_ASSERT(fujitsu);
/* save the hotkey bitmask */
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gsif.name, &(sc->gsif.value)))) {
sc->gsif.exists = 0;
device_printf(sc->dev, "Couldn't query bitmask value\n");
} else {
sc->gsif.exists = 1;
}
/* System Volume Level */
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gvol.name, &val))) {
sc->gvol.exists = 0;
} else {
sc->gvol.exists = 1;
}
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gbll.name, &val))) {
sc->gbll.exists = 0;
} else {
sc->gbll.exists = 1;
}
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->ghks.name, &val))) {
sc->ghks.exists = 0;
} else {
sc->ghks.exists = 1;
}
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gmou.name, &val))) {
sc->gmou.exists = 0;
} else {
sc->gmou.exists = 1;
}
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->rbll.name, &val))) {
sc->rbll.exists = 0;
} else {
sc->rbll.exists = 1;
}
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->rvol.name, &val))) {
sc->rvol.exists = 0;
} else {
sc->rvol.exists = 1;
}
return (TRUE);
}
static void
acpi_dock_get_info(device_t dev)
{
struct acpi_dock_softc *sc;
ACPI_HANDLE h;
sc = device_get_softc(dev);
h = acpi_get_handle(dev);
if (ACPI_FAILURE(acpi_GetInteger(h, "_STA", &sc->_sta)))
sc->_sta = ACPI_DOCK_STATUS_UNKNOWN;
if (ACPI_FAILURE(acpi_GetInteger(h, "_BDN", &sc->_bdn)))
sc->_bdn = ACPI_DOCK_STATUS_UNKNOWN;
if (ACPI_FAILURE(acpi_GetInteger(h, "_UID", &sc->_uid)))
sc->_uid = ACPI_DOCK_STATUS_UNKNOWN;
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"_STA: %04x, _BDN: %04x, _UID: %04x\n", sc->_sta,
sc->_bdn, sc->_uid);
}
static int
acpi_fujitsu_method_get(struct acpi_fujitsu_softc *sc, int method)
{
struct int_nameval nv;
ACPI_STATUS status;
ACPI_SERIAL_ASSERT(fujitsu);
switch (method) {
case METHOD_GBLL:
nv = sc->gbll;
break;
case METHOD_GBLS:
nv = sc->gbls;
break;
case METHOD_GMOU:
nv = sc->gmou;
break;
case METHOD_GVOL:
case METHOD_MUTE:
nv = sc->gvol;
break;
case METHOD_GHKS:
nv = sc->ghks;
break;
case METHOD_GSIF:
nv = sc->gsif;
break;
case METHOD_RBLL:
nv = sc->rbll;
break;
case METHOD_RVOL:
nv = sc->rvol;
break;
default:
return (FALSE);
}
if(!nv.exists)
return (EINVAL);
status = acpi_GetInteger(sc->handle, nv.name, &nv.value);
if (ACPI_FAILURE(status)) {
device_printf(sc->dev, "Couldn't query method (%s)\n", nv.name);
return (FALSE);
}
if (method == METHOD_MUTE) {
sc->bIsMuted = (uint8_t)((nv.value & VOLUME_MUTE_BIT) != 0);
return (sc->bIsMuted);
}
nv.value &= GENERAL_SETTING_BITS;
return (nv.value);
}
/*
* Read/debug-print a parameter, default it to -1.
*/
static void
acpi_tz_getparam(struct acpi_tz_softc *sc, char *node, int *data)
{
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
if (ACPI_FAILURE(acpi_GetInteger(sc->tz_handle, node, data))) {
*data = -1;
} else {
ACPI_DEBUG_PRINT((ACPI_DB_VALUES, "%s.%s = %d\n",
acpi_name(sc->tz_handle), node, *data));
}
return_VOID;
}
static int
sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)
{
device_t dev = arg1;
int function = oidp->oid_arg2;
int error = 0, val;
acpi_GetInteger(acpi_get_handle(dev),
acpi_sony_oids[function].getmethod, &val);
error = sysctl_handle_int(oidp, &val, 0, req);
if (error || !req->newptr || !acpi_sony_oids[function].setmethod)
return (error);
acpi_SetInteger(acpi_get_handle(dev),
acpi_sony_oids[function].setmethod, val);
return (0);
}
/*
* Find the highest currently-supported performance state.
* This can be called at runtime (e.g., due to a docking event) at
* the request of a Notify on the processor object.
*/
static void
acpi_px_available(struct acpi_perf_softc *sc)
{
ACPI_STATUS status;
struct cf_setting set;
status = acpi_GetInteger(sc->handle, "_PPC", &sc->px_max_avail);
/* If the old state is too high, set current state to the new max. */
if (ACPI_SUCCESS(status)) {
if (sc->px_curr_state != CPUFREQ_VAL_UNKNOWN &&
sc->px_curr_state > sc->px_max_avail) {
acpi_px_to_set(sc->dev,
&sc->px_states[sc->px_max_avail], &set);
acpi_px_set(sc->dev, &set);
}
} else
sc->px_max_avail = 0;
}
static int
acpi_pci_child_location_str_method(device_t cbdev, device_t child, char *buf,
size_t buflen)
{
struct acpi_pci_devinfo *dinfo = device_get_ivars(child);
int pxm;
char buf2[32];
pci_child_location_str_method(cbdev, child, buf, buflen);
if (dinfo->ap_handle) {
strlcat(buf, " handle=", buflen);
strlcat(buf, acpi_name(dinfo->ap_handle), buflen);
if (ACPI_SUCCESS(acpi_GetInteger(dinfo->ap_handle, "_PXM", &pxm))) {
snprintf(buf2, 32, " _PXM=%d", pxm);
strlcat(buf, buf2, buflen);
}
}
return (0);
}
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
ipmi_acpi_attach(device_t dev)
{
ACPI_HANDLE devh;
const char *mode;
struct ipmi_get_info info;
struct ipmi_softc *sc = device_get_softc(dev);
int count, error, flags, i, type;
int interface_type = 0, interface_version = 0;
error = 0;
devh = acpi_get_handle(dev);
if (ACPI_FAILURE(acpi_GetInteger(devh, "_IFT", &interface_type)))
return (ENXIO);
if (ACPI_FAILURE(acpi_GetInteger(devh, "_SRV", &interface_version)))
return (ENXIO);
switch (interface_type) {
case KCS_MODE:
count = 2;
mode = "KCS";
break;
case SMIC_MODE:
count = 3;
mode = "SMIC";
break;
case BT_MODE:
device_printf(dev, "BT interface not supported\n");
return (ENXIO);
case SSIF_MODE:
if (ACPI_FAILURE(acpi_GetInteger(devh, "_ADR", &flags)))
return (ENXIO);
info.address = flags;
device_printf(dev, "SSIF interface not supported on ACPI\n");
return (0);
default:
return (ENXIO);
}
if (bus_get_resource(dev, SYS_RES_IOPORT, 0, NULL, NULL) == 0)
type = SYS_RES_IOPORT;
else if (bus_get_resource(dev, SYS_RES_MEMORY, 0, NULL, NULL) == 0)
type = SYS_RES_MEMORY;
else {
device_printf(dev, "unknown resource type\n");
return (ENXIO);
}
sc->ipmi_io_rid = 0;
sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
&sc->ipmi_io_rid, RF_ACTIVE);
sc->ipmi_io_type = type;
sc->ipmi_io_spacing = 1;
if (sc->ipmi_io_res[0] == NULL) {
device_printf(dev, "couldn't configure I/O resource\n");
return (ENXIO);
}
/* If we have multiple resources, allocate up to MAX_RES. */
for (i = 1; i < MAX_RES; i++) {
sc->ipmi_io_rid = i;
sc->ipmi_io_res[i] = bus_alloc_resource_any(dev, type,
&sc->ipmi_io_rid, RF_ACTIVE);
if (sc->ipmi_io_res[i] == NULL)
break;
}
sc->ipmi_io_rid = 0;
/* If we have multiple resources, make sure we have enough of them. */
if (sc->ipmi_io_res[1] != NULL && sc->ipmi_io_res[count - 1] == NULL) {
device_printf(dev, "too few I/O resources\n");
error = ENXIO;
goto bad;
}
device_printf(dev, "%s mode found at %s 0x%jx on %s\n",
mode, type == SYS_RES_IOPORT ? "io" : "mem",
(uintmax_t)rman_get_start(sc->ipmi_io_res[0]),
device_get_name(device_get_parent(dev)));
sc->ipmi_dev = dev;
/*
* Setup an interrupt if we have an interrupt resource. We
* don't support GPE interrupts via _GPE yet.
*/
sc->ipmi_irq_rid = 0;
sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
/* Warn if _GPE exists. */
if (ACPI_SUCCESS(AcpiEvaluateObject(devh, "_GPE", NULL, NULL)))
device_printf(dev, "_GPE support not implemented\n");
/*
* We assume an alignment of 1 byte as currently the IPMI spec
* doesn't provide any way to determine the alignment via ACPI.
*/
switch (interface_type) {
case KCS_MODE:
error = ipmi_kcs_attach(sc);
if (error)
goto bad;
break;
case SMIC_MODE:
error = ipmi_smic_attach(sc);
if (error)
goto bad;
break;
}
error = ipmi_attach(dev);
if (error)
goto bad;
return (0);
bad:
ipmi_release_resources(dev);
return (error);
}
static int
acpi_ec_probe(device_t dev)
{
ACPI_BUFFER buf;
ACPI_HANDLE h;
ACPI_OBJECT *obj;
ACPI_STATUS status;
device_t peer;
char desc[64];
int ecdt;
int ret;
struct acpi_ec_params *params;
static char *ec_ids[] = { "PNP0C09", NULL };
/* Check that this is a device and that EC is not disabled. */
if (acpi_get_type(dev) != ACPI_TYPE_DEVICE || acpi_disabled("ec"))
return (ENXIO);
/*
* If probed via ECDT, set description and continue. Otherwise,
* we can access the namespace and make sure this is not a
* duplicate probe.
*/
ret = ENXIO;
ecdt = 0;
buf.Pointer = NULL;
buf.Length = ACPI_ALLOCATE_BUFFER;
params = acpi_get_private(dev);
if (params != NULL) {
ecdt = 1;
ret = 0;
} else if (ACPI_ID_PROBE(device_get_parent(dev), dev, ec_ids)) {
params = kmalloc(sizeof(struct acpi_ec_params), M_TEMP,
M_WAITOK | M_ZERO);
h = acpi_get_handle(dev);
/*
* Read the unit ID to check for duplicate attach and the
* global lock value to see if we should acquire it when
* accessing the EC.
*/
status = acpi_GetInteger(h, "_UID", ¶ms->uid);
if (ACPI_FAILURE(status))
params->uid = 0;
status = acpi_GetInteger(h, "_GLK", ¶ms->glk);
if (ACPI_FAILURE(status))
params->glk = 0;
/*
* Evaluate the _GPE method to find the GPE bit used by the EC to
* signal status (SCI). If it's a package, it contains a reference
* and GPE bit, similar to _PRW.
*/
status = AcpiEvaluateObject(h, "_GPE", NULL, &buf);
if (ACPI_FAILURE(status)) {
device_printf(dev, "can't evaluate _GPE - %s\n",
AcpiFormatException(status));
goto out;
}
obj = (ACPI_OBJECT *)buf.Pointer;
if (obj == NULL)
goto out;
switch (obj->Type) {
case ACPI_TYPE_INTEGER:
params->gpe_handle = NULL;
params->gpe_bit = obj->Integer.Value;
break;
case ACPI_TYPE_PACKAGE:
if (!ACPI_PKG_VALID(obj, 2))
goto out;
params->gpe_handle =
acpi_GetReference(NULL, &obj->Package.Elements[0]);
if (params->gpe_handle == NULL ||
acpi_PkgInt32(obj, 1, ¶ms->gpe_bit) != 0)
goto out;
break;
default:
device_printf(dev, "_GPE has invalid type %d\n", obj->Type);
goto out;
}
/* Store the values we got from the namespace for attach. */
acpi_set_private(dev, params);
/*
* Check for a duplicate probe. This can happen when a probe
* via ECDT succeeded already. If this is a duplicate, disable
* this device.
*/
peer = devclass_get_device(acpi_ec_devclass, params->uid);
if (peer == NULL || !device_is_alive(peer))
ret = 0;
else
device_disable(dev);
}
out:
if (ret == 0) {
ksnprintf(desc, sizeof(desc), "Embedded Controller: GPE %#x%s%s",
params->gpe_bit, (params->glk) ? ", GLK" : "",
ecdt ? ", ECDT" : "");
device_set_desc_copy(dev, desc);
}
if (ret > 0 && params)
kfree(params, M_TEMP);
if (buf.Pointer)
AcpiOsFree(buf.Pointer);
return (ret);
}
/*
* Query each of the ACPI control methods that contain information we're
* interested in. We check the return values from the control methods and
* adjust any state variables if they should be adjusted.
*/
static uint8_t
acpi_fujitsu_update(struct acpi_fujitsu_softc *sc)
{
int changed;
struct acpi_softc *acpi_sc;
acpi_sc = acpi_device_get_parent_softc(sc->dev);
ACPI_SERIAL_ASSERT(fujitsu);
if(sc->gsif.exists)
changed = sc->gsif.value & acpi_fujitsu_method_get(sc,METHOD_GHKS);
else
changed = 0;
/* System Volume Level */
if(sc->gvol.exists) {
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gvol.name, &(sc->gvol.value)))) {
device_printf(sc->dev, "Couldn't query volume level\n");
return (FALSE);
}
if (changed & VOLUME_CHANGED) {
sc->bIsMuted =
(uint8_t)((sc->gvol.value & VOLUME_MUTE_BIT) != 0);
/* Clear the modification bit */
sc->gvol.value &= VOLUME_SETTING_BITS;
if (sc->bIsMuted) {
acpi_UserNotify("FUJITSU", sc->handle, FN_MUTE);
ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now mute\n");
} else
ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now %d\n",
sc->gvol.value);
acpi_UserNotify("FUJITSU", sc->handle, FN_VOLUME);
}
}
/* Internal mouse pointer (eraserhead) */
if(sc->gmou.exists) {
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gmou.name, &(sc->gmou.value)))) {
device_printf(sc->dev, "Couldn't query pointer state\n");
return (FALSE);
}
if (changed & MOUSE_CHANGED) {
sc->bIntPtrEnabled = (uint8_t)(sc->gmou.value & 0x1);
/* Clear the modification bit */
sc->gmou.value &= MOUSE_SETTING_BITS;
/* Set the value in case it is not hardware controlled */
acpi_fujitsu_method_set(sc, METHOD_GMOU, sc->gmou.value);
acpi_UserNotify("FUJITSU", sc->handle, FN_POINTER_ENABLE);
ACPI_VPRINT(sc->dev, acpi_sc, "Internal pointer is now %s\n",
(sc->bIntPtrEnabled) ? "enabled" : "disabled");
}
}
/* Screen Brightness Level P8XXX */
if(sc->gbls.exists) {
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gbls.name, &(sc->gbls.value)))) {
device_printf(sc->dev, "Couldn't query P8XXX brightness level\n");
return (FALSE);
}
if (changed & BRIGHT_CHANGED) {
/* No state to record here. */
/* Clear the modification bit */
sc->gbls.value &= BRIGHTNESS_SETTING_BITS;
/* Set the value in case it is not hardware controlled */
acpi_fujitsu_method_set(sc, METHOD_GBLS, sc->gbls.value);
acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
ACPI_VPRINT(sc->dev, acpi_sc, "P8XXX Brightness level is now %d\n",
sc->gbls.value);
}
}
/* Screen Brightness Level */
if(sc->gbll.exists) {
if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
sc->gbll.name, &(sc->gbll.value)))) {
device_printf(sc->dev, "Couldn't query brightness level\n");
return (FALSE);
}
if (changed & BRIGHT_CHANGED) {
/* No state to record here. */
/* Clear the modification bit */
sc->gbll.value &= BRIGHTNESS_SETTING_BITS;
acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
ACPI_VPRINT(sc->dev, acpi_sc, "Brightness level is now %d\n",
sc->gbll.value);
}
}
sc->lastValChanged = changed;
return (TRUE);
}
static int
bytgpio_attach(device_t dev)
{
struct bytgpio_softc *sc;
ACPI_STATUS status;
int uid;
int pin;
uint32_t reg, val;
sc = device_get_softc(dev);
sc->sc_dev = dev;
sc->sc_handle = acpi_get_handle(dev);
status = acpi_GetInteger(sc->sc_handle, "_UID", &uid);
if (ACPI_FAILURE(status)) {
device_printf(dev, "failed to read _UID\n");
return (ENXIO);
}
BYTGPIO_LOCK_INIT(sc);
switch (uid) {
case SCORE_UID:
sc->sc_npins = SCORE_PINS;
sc->sc_bank_prefix = SCORE_BANK_PREFIX;
sc->sc_pinpad_map = bytgpio_score_pins;
break;
case NCORE_UID:
sc->sc_npins = NCORE_PINS;
sc->sc_bank_prefix = NCORE_BANK_PREFIX;
sc->sc_pinpad_map = bytgpio_ncore_pins;
break;
case SUS_UID:
sc->sc_npins = SUS_PINS;
sc->sc_bank_prefix = SUS_BANK_PREFIX;
sc->sc_pinpad_map = bytgpio_sus_pins;
break;
default:
device_printf(dev, "invalid _UID value: %d\n", uid);
goto error;
}
sc->sc_pad_funcs = malloc(sizeof(int)*sc->sc_npins, M_DEVBUF,
M_WAITOK | M_ZERO);
sc->sc_mem_rid = 0;
sc->sc_mem_res = bus_alloc_resource_any(sc->sc_dev,
SYS_RES_MEMORY, &sc->sc_mem_rid, RF_ACTIVE);
if (sc->sc_mem_res == NULL) {
device_printf(dev, "can't allocate resource\n");
goto error;
}
for (pin = 0; pin < sc->sc_npins; pin++) {
reg = BYGPIO_PIN_REGISTER(sc, pin, BYTGPIO_PCONF0);
val = bytgpio_read_4(sc, reg);
sc->sc_pad_funcs[pin] = val & BYTGPIO_PCONF0_FUNC_MASK;
}
sc->sc_busdev = gpiobus_attach_bus(dev);
if (sc->sc_busdev == NULL) {
BYTGPIO_LOCK_DESTROY(sc);
bus_release_resource(dev, SYS_RES_MEMORY,
sc->sc_mem_rid, sc->sc_mem_res);
return (ENXIO);
}
return (0);
error:
BYTGPIO_LOCK_DESTROY(sc);
return (ENXIO);
}
static int
acpi_pcib_acpi_attach(device_t dev)
{
struct acpi_hpcib_softc *sc;
ACPI_STATUS status;
static int bus0_seen = 0;
u_int addr, slot, func, busok;
uint8_t busno;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = device_get_softc(dev);
sc->ap_dev = dev;
sc->ap_handle = acpi_get_handle(dev);
/*
* Get our segment number by evaluating _SEG
* It's OK for this to not exist.
*/
status = acpi_GetInteger(sc->ap_handle, "_SEG", &sc->ap_segment);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
device_printf(dev, "could not evaluate _SEG - %s\n",
AcpiFormatException(status));
return_VALUE (ENXIO);
}
/* If it's not found, assume 0. */
sc->ap_segment = 0;
}
/*
* Get our base bus number by evaluating _BBN.
* If this doesn't work, we assume we're bus number 0.
*
* XXX note that it may also not exist in the case where we are
* meant to use a private configuration space mechanism for this bus,
* so we should dig out our resources and check to see if we have
* anything like that. How do we do this?
* XXX If we have the requisite information, and if we don't think the
* default PCI configuration space handlers can deal with this bus,
* we should attach our own handler.
* XXX invoke _REG on this for the PCI config space address space?
* XXX It seems many BIOS's with multiple Host-PCI bridges do not set
* _BBN correctly. They set _BBN to zero for all bridges. Thus,
* if _BBN is zero and PCI bus 0 already exists, we try to read our
* bus number from the configuration registers at address _ADR.
* We only do this for domain/segment 0 in the hopes that this is
* only needed for old single-domain machines.
*/
status = acpi_GetInteger(sc->ap_handle, "_BBN", &sc->ap_bus);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
device_printf(dev, "could not evaluate _BBN - %s\n",
AcpiFormatException(status));
return_VALUE (ENXIO);
} else {
/* If it's not found, assume 0. */
sc->ap_bus = 0;
}
}
/*
* If this is segment 0, the bus is zero, and PCI bus 0 already
* exists, read the bus number via PCI config space.
*/
busok = 1;
if (sc->ap_segment == 0 && sc->ap_bus == 0 && bus0_seen) {
busok = 0;
status = acpi_GetInteger(sc->ap_handle, "_ADR", &addr);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
device_printf(dev, "could not evaluate _ADR - %s\n",
AcpiFormatException(status));
return_VALUE (ENXIO);
} else
device_printf(dev, "couldn't find _ADR\n");
} else {
/* XXX: We assume bus 0. */
slot = ACPI_ADR_PCI_SLOT(addr);
func = ACPI_ADR_PCI_FUNC(addr);
if (bootverbose)
device_printf(dev, "reading config registers from 0:%d:%d\n",
slot, func);
if (host_pcib_get_busno(pci_cfgregread, 0, slot, func, &busno) == 0)
device_printf(dev, "couldn't read bus number from cfg space\n");
else {
sc->ap_bus = busno;
busok = 1;
}
}
}
/*
* If nothing else worked, hope that ACPI at least lays out the
* host-PCI bridges in order and that as a result our unit number
* is actually our bus number. There are several reasons this
* might not be true.
*/
if (busok == 0) {
sc->ap_bus = device_get_unit(dev);
device_printf(dev, "trying bus number %d\n", sc->ap_bus);
}
/* If this is bus 0 on segment 0, note that it has been seen already. */
if (sc->ap_segment == 0 && sc->ap_bus == 0)
bus0_seen = 1;
return (acpi_pcib_attach(dev, &sc->ap_prt, sc->ap_bus));
}