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-rw-r--r--src/drivers/intel/wifi/chip.h3
-rw-r--r--src/drivers/intel/wifi/wifi.c106
2 files changed, 96 insertions, 13 deletions
diff --git a/src/drivers/intel/wifi/chip.h b/src/drivers/intel/wifi/chip.h
new file mode 100644
index 0000000000..117d39caf0
--- /dev/null
+++ b/src/drivers/intel/wifi/chip.h
@@ -0,0 +1,3 @@
+struct drivers_intel_wifi_config {
+ unsigned wake; /* Wake pin for ACPI _PRW */
+};
diff --git a/src/drivers/intel/wifi/wifi.c b/src/drivers/intel/wifi/wifi.c
index 5ae5498c27..5661bf46dc 100644
--- a/src/drivers/intel/wifi/wifi.c
+++ b/src/drivers/intel/wifi/wifi.c
@@ -14,12 +14,16 @@
* GNU General Public License for more details.
*/
+#include <arch/acpi_device.h>
+#include <arch/acpigen.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <smbios.h>
#include <string.h>
+#include <wrdd.h>
+#include "chip.h"
static int smbios_write_wifi(struct device *dev, int *handle,
unsigned long *current)
@@ -32,15 +36,17 @@ static int smbios_write_wifi(struct device *dev, int *handle,
char eos[2];
} __attribute__((packed));
- struct smbios_type_intel_wifi *t = (struct smbios_type_intel_wifi *)*current;
+ struct smbios_type_intel_wifi *t =
+ (struct smbios_type_intel_wifi *)*current;
int len = sizeof(struct smbios_type_intel_wifi);
memset(t, 0, sizeof(struct smbios_type_intel_wifi));
t->type = 0x85;
t->length = len - 2;
t->handle = *handle;
- /* Intel wifi driver expects this string to be in the table 0x85
- with PCI IDs enumerated below.
+ /*
+ * Intel wifi driver expects this string to be in the table 0x85
+ * with PCI IDs enumerated below.
*/
t->str = smbios_add_string(t->eos, "KHOIHGIUCCHHII");
@@ -50,30 +56,104 @@ static int smbios_write_wifi(struct device *dev, int *handle,
return len;
}
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+static void intel_wifi_fill_ssdt(struct device *dev)
+{
+ struct drivers_intel_wifi_config *config = dev->chip_info;
+ const char *path = acpi_device_path(dev->bus->dev);
+ u32 address;
+
+ if (!path)
+ return;
+
+ /* Device */
+ acpigen_write_scope(path);
+ acpigen_write_device(acpi_device_name(dev));
+ acpigen_write_name_integer("_UID", 0);
+ acpigen_write_name_string("_DDN", dev->chip_ops->name);
+
+ /* Address */
+ address = PCI_SLOT(dev->path.pci.devfn) & 0xffff;
+ address <<= 16;
+ address |= PCI_FUNC(dev->path.pci.devfn) & 0xffff;
+ acpigen_write_name_dword("_ADR", address);
+
+ /* Wake capabilities */
+ if (config && config->wake)
+ acpigen_write_PRW(config->wake, 3);
+
+ /* Fill regulatory domain structure */
+ if (IS_ENABLED(CONFIG_HAVE_REGULATORY_DOMAIN)) {
+ /*
+ * Name ("WRDD", Package () {
+ * WRDD_REVISION, // Revision
+ * Package () {
+ * WRDD_DOMAIN_TYPE_WIFI, // Domain Type, 7:WiFi
+ * wifi_regulatory_domain() // Country Identifier
+ * }
+ * })
+ */
+ acpigen_write_name("WRDD");
+ acpigen_write_package(2);
+ acpigen_write_integer(WRDD_REVISION);
+ acpigen_write_package(2);
+ acpigen_write_dword(WRDD_DOMAIN_TYPE_WIFI);
+ acpigen_write_dword(wifi_regulatory_domain());
+ acpigen_pop_len();
+ acpigen_pop_len();
+ }
+
+ acpigen_pop_len(); /* Device */
+ acpigen_pop_len(); /* Scope */
+
+ printk(BIOS_INFO, "%s.%s: %s %s\n", path, acpi_device_name(dev),
+ dev->chip_ops->name, dev_path(dev));
+}
+
+static const char *intel_wifi_acpi_name(struct device *dev)
+{
+ return "WIFI";
+}
+#endif
+
static struct pci_operations pci_ops = {
.set_subsystem = pci_dev_set_subsystem,
};
struct device_operations device_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = pci_dev_init,
- .scan_bus = 0,
- .enable = 0,
- .get_smbios_data = smbios_write_wifi,
- .ops_pci = &pci_ops,
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = pci_dev_init,
+ .get_smbios_data = smbios_write_wifi,
+ .ops_pci = &pci_ops,
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+ .acpi_name = &intel_wifi_acpi_name,
+ .acpi_fill_ssdt_generator = &intel_wifi_fill_ssdt,
+#endif
};
-
static const unsigned short pci_device_ids[] = {
0x0084, 0x0085, 0x0089, 0x008b, 0x008e, 0x0090,
0x0886, 0x0888, 0x0891, 0x0893, 0x0895, 0x088f,
0x4236, 0x4237, 0x4238, 0x4239, 0x423b, 0x423d,
- 0 };
+ 0x08b1, 0x08b2, /* Wilkins Peak 2 */
+ 0x095a, 0x095b, /* Stone Peak 2 */
+ 0
+};
static const struct pci_driver pch_intel_wifi __pci_driver = {
.ops = &device_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
+
+static void intel_wifi_enable(struct device *dev)
+{
+ dev->ops = &device_ops;
+}
+
+struct chip_operations drivers_intel_wifi_ops = {
+ CHIP_NAME("Intel WiFi")
+ .enable_dev = &intel_wifi_enable
+};