1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h
new file mode 100644
index 000000000000..020ad8f685ea
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h
@@ -0,0 +1,54 @@
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DSCC_TYPES_H__
+#define __DSCC_TYPES_H__
+
+#include <drm/drm_dsc.h>
+
+#ifndef NUM_BUF_RANGES
+#define NUM_BUF_RANGES 15
+#endif
+
+struct dsc_pps_rc_range {
+	int range_min_qp;
+	int range_max_qp;
+	int range_bpg_offset;
+};
+
+struct dsc_parameters {
+	struct drm_dsc_config pps;
+
+	/* Additional parameters for register programming */
+	uint32_t bytes_per_pixel; /* In u3.28 format */
+	uint32_t rc_buffer_model_size;
+};
+
+int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params);
+
+#endif
+
+#endif