static acpi_status __init
zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
{
acpi_handle handle, parent;
acpi_status status;
struct acpi_device_info *info;
u64 lba_hpa, sba_hpa, length;
int match;
status = hp_acpi_csr_space(obj, &lba_hpa, &length);
if (ACPI_FAILURE(status))
return AE_OK; /* keep looking for another bridge */
/* Look for an enclosing IOC scope and find its CSR space */
handle = obj;
do {
status = acpi_get_object_info(handle, &info);
if (ACPI_SUCCESS(status) && (info->valid & ACPI_VALID_HID)) {
/* TBD check _CID also */
match = (strcmp(info->hardware_id.string, "HWP0001") == 0);
kfree(info);
if (match) {
status = hp_acpi_csr_space(handle, &sba_hpa, &length);
if (ACPI_SUCCESS(status))
break;
else {
printk(KERN_ERR PFX "Detected HP ZX1 "
"AGP LBA but no IOC.\n");
return AE_OK;
}
}
}
status = acpi_get_parent(handle, &parent);
handle = parent;
} while (ACPI_SUCCESS(status));
if (ACPI_FAILURE(status))
return AE_OK; /* found no enclosing IOC */
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_INFO PFX "Detected HP ZX1 %s AGP chipset "
"(ioc=%llx, lba=%llx)\n", (char *)context,
sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa);
#else
;
#endif
hp_zx1_gart_found = 1;
return AE_CTRL_TERMINATE; /* we only support one bridge; quit looking */
}
static acpi_status __init
zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
{
acpi_handle handle, parent;
acpi_status status;
struct acpi_buffer buffer;
struct acpi_device_info *info;
u64 lba_hpa, sba_hpa, length;
int match;
status = hp_acpi_csr_space(obj, &lba_hpa, &length);
if (ACPI_FAILURE(status))
return AE_OK; /* keep looking for another bridge */
/* Look for an enclosing IOC scope and find its CSR space */
handle = obj;
do {
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_object_info(handle, &buffer);
if (ACPI_SUCCESS(status)) {
/* TBD check _CID also */
info = buffer.pointer;
info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0';
match = (strcmp(info->hardware_id.value, "HWP0001") == 0);
kfree(info);
if (match) {
status = hp_acpi_csr_space(handle, &sba_hpa, &length);
if (ACPI_SUCCESS(status))
break;
else {
printk(KERN_ERR PFX "Detected HP ZX1 "
"AGP LBA but no IOC.\n");
return AE_OK;
}
}
}
status = acpi_get_parent(handle, &parent);
handle = parent;
} while (ACPI_SUCCESS(status));
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
printk(KERN_INFO PFX "Detected HP ZX1 %s AGP chipset "
"(ioc=%llx, lba=%llx)\n", (char *)context,
sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa);
hp_zx1_gart_found = 1;
return AE_CTRL_TERMINATE; /* we only support one bridge; quit looking */
}
static acpi_status __init
zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
{
acpi_handle handle, parent;
acpi_status status;
struct acpi_device_info *info;
u64 lba_hpa, sba_hpa, length;
int match;
status = hp_acpi_csr_space(obj, &lba_hpa, &length);
if (ACPI_FAILURE(status))
return AE_OK;
handle = obj;
do {
status = acpi_get_object_info(handle, &info);
if (ACPI_SUCCESS(status)) {
info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0';
match = (strcmp(info->hardware_id.string, "HWP0001") == 0);
kfree(info);
if (match) {
status = hp_acpi_csr_space(handle, &sba_hpa, &length);
if (ACPI_SUCCESS(status))
break;
else {
printk(KERN_ERR PFX "Detected HP ZX1 "
"AGP LBA but no IOC.\n");
return AE_OK;
}
}
}
status = acpi_get_parent(handle, &parent);
handle = parent;
} while (ACPI_SUCCESS(status));
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
printk(KERN_INFO PFX "Detected HP ZX1 %s AGP chipset "
"(ioc=%llx, lba=%llx)\n", (char *)context,
sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa);
hp_zx1_gart_found = 1;
return AE_CTRL_TERMINATE;
}
