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Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h')
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h
new file mode 100644
index 000000000000..9be94f567fbd
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2017 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MDP5_LM_H__
+#define __MDP5_LM_H__
+
+/* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */
+struct mdp5_hw_mixer {
+ int idx;
+
+ const char *name;
+
+ int lm; /* the LM instance # */
+ uint32_t caps;
+ int pp;
+ int dspp;
+
+ uint32_t flush_mask; /* used to commit LM registers */
+};
+
+/* global atomic state of assignment between CRTCs and Layer Mixers: */
+struct mdp5_hw_mixer_state {
+ struct drm_crtc *hwmixer_to_crtc[8];
+};
+
+struct mdp5_hw_mixer *mdp5_mixer_init(const struct mdp5_lm_instance *lm);
+void mdp5_mixer_destroy(struct mdp5_hw_mixer *lm);
+int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc,
+ uint32_t caps, struct mdp5_hw_mixer **mixer,
+ struct mdp5_hw_mixer **r_mixer);
+void mdp5_mixer_release(struct drm_atomic_state *s,
+ struct mdp5_hw_mixer *mixer);
+
+#endif /* __MDP5_LM_H__ */