summaryrefslogtreecommitdiff
path: root/src/drivers/wifi/generic/acpi.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/drivers/wifi/generic/acpi.c')
-rw-r--r--src/drivers/wifi/generic/acpi.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c
index e303589660..13120d4acf 100644
--- a/src/drivers/wifi/generic/acpi.c
+++ b/src/drivers/wifi/generic/acpi.c
@@ -539,6 +539,43 @@ static void sar_emit_brds(const struct bsar_profile *bsar)
acpigen_write_package_end();
}
+static void sar_emit_wbem(const struct wbem_profile *wbem)
+{
+ if (wbem == NULL)
+ return;
+
+ /*
+ * Name ("WBEM", Package() {
+ * {
+ * Revision,
+ * Package()
+ * {
+ * DomainType, // 0x7:WiFi
+ * bandwidth_320mhz_country_enablement // 0 Disabled
+ * // 1 Japan Enabled
+ * // 2 South Korea Enabled
+ * // 3 Japan + South Korea Enabled
+ * }
+ } })
+ */
+ if (wbem->revision != WBEM_REVISION) {
+ printk(BIOS_ERR, "Unsupported WBEM table revision: %d\n",
+ wbem->revision);
+ return;
+ }
+
+ acpigen_write_name("WBEM");
+ acpigen_write_package(2);
+ acpigen_write_dword(wbem->revision);
+
+ acpigen_write_package(2);
+ acpigen_write_dword(DOMAIN_TYPE_WIFI);
+ acpigen_write_dword(wbem->bandwidth_320mhz_country_enablement);
+
+ acpigen_write_package_end();
+ acpigen_write_package_end();
+}
+
static void emit_sar_acpi_structures(const struct device *dev, struct dsm_profile *dsm,
struct bsar_profile *bsar, bool *bsar_loaded)
{
@@ -562,6 +599,7 @@ static void emit_sar_acpi_structures(const struct device *dev, struct dsm_profil
sar_emit_wgds(sar_limits.wgds);
sar_emit_ppag(sar_limits.ppag);
sar_emit_wtas(sar_limits.wtas);
+ sar_emit_wbem(sar_limits.wbem);
/* copy the dsm data to be later used for creating _DSM function */
if (sar_limits.dsm != NULL)