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path: root/src/drivers/wifi/generic/acpi.c
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Diffstat (limited to 'src/drivers/wifi/generic/acpi.c')
-rw-r--r--src/drivers/wifi/generic/acpi.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/drivers/wifi/generic/acpi.c b/src/drivers/wifi/generic/acpi.c
index 4be43ffe43..8bfce816fb 100644
--- a/src/drivers/wifi/generic/acpi.c
+++ b/src/drivers/wifi/generic/acpi.c
@@ -736,6 +736,41 @@ static void sar_emit_bbfb(const struct bbfb_profile *bbfb)
acpigen_write_package_end();
}
+static void sar_emit_bdcm(const struct bdcm_profile *bdcm)
+{
+ if (bdcm == NULL)
+ return;
+
+ /*
+ * Name ("BDCM", Package () {
+ * Revision,
+ * Package () {
+ * Domain Type, // 0x12:Bluetooth
+ * Dual Chain Mode
+ * }
+ * })
+ */
+ if (bdcm->revision != BDCM_REVISION) {
+ printk(BIOS_ERR, "Unsupported BDCM table revision: %d\n",
+ bdcm->revision);
+ return;
+ }
+
+ acpigen_write_name("BDCM");
+ acpigen_write_package(2);
+ acpigen_write_dword(bdcm->revision);
+
+ /*
+ * Emit 'Domain Type' + 'Dual Chain Mode'
+ */
+ acpigen_write_package(2);
+ acpigen_write_dword(DOMAIN_TYPE_BLUETOOTH);
+ acpigen_write_dword(bdcm->dual_chain_mode);
+
+ acpigen_write_package_end();
+ acpigen_write_package_end();
+}
+
static void emit_wifi_sar_acpi_structures(const struct device *dev,
union wifi_sar_limits *sar_limits)
{
@@ -870,6 +905,7 @@ static void wifi_ssdt_write_properties(const struct device *dev, const char *sco
sar_emit_brds(sar_limits.bsar);
sar_emit_bpag(sar_limits.bpag);
sar_emit_bbfb(sar_limits.bbfb);
+ sar_emit_bdcm(sar_limits.bdcm);
acpigen_write_scope_end();
} else {
printk(BIOS_ERR, "Failed to get %s Bluetooth companion ACPI path\n",