summaryrefslogtreecommitdiff
path: root/drivers/platform/chrome/cros_ec_lpc_mec.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/chrome/cros_ec_lpc_mec.h')
-rw-r--r--drivers/platform/chrome/cros_ec_lpc_mec.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_lpc_mec.h b/drivers/platform/chrome/cros_ec_lpc_mec.h
index 9d0521b23e8a..3f3af37e58a5 100644
--- a/drivers/platform/chrome/cros_ec_lpc_mec.h
+++ b/drivers/platform/chrome/cros_ec_lpc_mec.h
@@ -8,6 +8,8 @@
#ifndef __CROS_EC_LPC_MEC_H
#define __CROS_EC_LPC_MEC_H
+#include <linux/acpi.h>
+
enum cros_ec_lpc_mec_emi_access_mode {
/* 8-bit access */
ACCESS_TYPE_BYTE = 0x0,
@@ -46,6 +48,15 @@ enum cros_ec_lpc_mec_io_type {
void cros_ec_lpc_mec_init(unsigned int base, unsigned int end);
/**
+ * cros_ec_lpc_mec_acpi_mutex() - Find and set ACPI mutex for MEC
+ *
+ * @adev: Parent ACPI device
+ * @pathname: Name of AML mutex
+ * @return: Negative error code, or zero for success
+ */
+int cros_ec_lpc_mec_acpi_mutex(struct acpi_device *adev, const char *pathname);
+
+/**
* cros_ec_lpc_mec_in_range() - Determine if addresses are in MEC EMI range.
*
* @offset: Address offset