1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.h b/drivers/gpu/drm/i915/display/intel_pps.h
new file mode 100644
index 000000000000..c83007152f07
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_pps.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef __INTEL_PPS_H__
+#define __INTEL_PPS_H__
+
+#include <linux/types.h>
+
+#include "intel_wakeref.h"
+
+enum pipe;
+struct intel_connector;
+struct intel_crtc_state;
+struct intel_display;
+struct intel_dp;
+struct intel_encoder;
+
+intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp);
+intel_wakeref_t intel_pps_unlock(struct intel_dp *intel_dp, intel_wakeref_t wakeref);
+
+#define with_intel_pps_lock(dp, wf)						\
+	for ((wf) = intel_pps_lock(dp); (wf); (wf) = intel_pps_unlock((dp), (wf)))
+
+void intel_pps_backlight_on(struct intel_dp *intel_dp);
+void intel_pps_backlight_off(struct intel_dp *intel_dp);
+void intel_pps_backlight_power(struct intel_connector *connector, bool enable);
+
+bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp);
+void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync);
+void intel_pps_on_unlocked(struct intel_dp *intel_dp);
+void intel_pps_off_unlocked(struct intel_dp *intel_dp);
+void intel_pps_check_power_unlocked(struct intel_dp *intel_dp);
+
+void intel_pps_vdd_on(struct intel_dp *intel_dp);
+void intel_pps_vdd_off(struct intel_dp *intel_dp);
+void intel_pps_on(struct intel_dp *intel_dp);
+void intel_pps_off(struct intel_dp *intel_dp);
+void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
+bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp);
+void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
+
+bool intel_pps_init(struct intel_dp *intel_dp);
+void intel_pps_init_late(struct intel_dp *intel_dp);
+void intel_pps_encoder_reset(struct intel_dp *intel_dp);
+
+void vlv_pps_pipe_init(struct intel_dp *intel_dp);
+void vlv_pps_pipe_reset(struct intel_dp *intel_dp);
+enum pipe vlv_pps_backlight_initial_pipe(struct intel_dp *intel_dp);
+void vlv_pps_port_enable_unlocked(struct intel_encoder *encoder,
+				  const struct intel_crtc_state *crtc_state);
+void vlv_pps_port_disable(struct intel_encoder *encoder,
+			  const struct intel_crtc_state *crtc_state);
+void vlv_pps_reset_all(struct intel_display *display);
+void bxt_pps_reset_all(struct intel_display *display);
+
+void intel_pps_unlock_regs_wa(struct intel_display *display);
+void intel_pps_setup(struct intel_display *display);
+
+void intel_pps_connector_debugfs_add(struct intel_connector *connector);
+
+void assert_pps_unlocked(struct intel_display *display, enum pipe pipe);
+
+#endif /* __INTEL_PPS_H__ */