1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
new file mode 100644
index 000000000000..b026157a2eea
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2012-16 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 _DCE_DMCU_H_
+#define _DCE_DMCU_H_
+
+#include "dmcu.h"
+
+#define DMCU_COMMON_REG_LIST_DCE_BASE() \
+	SR(DMCU_RAM_ACCESS_CTRL), \
+	SR(DMCU_IRAM_WR_CTRL), \
+	SR(DMCU_IRAM_WR_DATA)
+
+#define DMCU_DCE110_COMMON_REG_LIST() \
+	DMCU_COMMON_REG_LIST_DCE_BASE(), \
+	SR(DCI_MEM_PWR_STATUS)
+
+#define DMCU_SF(reg_name, field_name, post_fix)\
+	.field_name = reg_name ## __ ## field_name ## post_fix
+
+#define DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
+	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
+			IRAM_HOST_ACCESS_EN, mask_sh), \
+	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
+			IRAM_WR_ADDR_AUTO_INC, mask_sh)
+
+#define DMCU_MASK_SH_LIST_DCE110(mask_sh) \
+	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
+	DMCU_SF(DCI_MEM_PWR_STATUS, \
+			DMCU_IRAM_MEM_PWR_STATE, mask_sh)
+
+#define DMCU_REG_FIELD_LIST(type) \
+	type DMCU_IRAM_MEM_PWR_STATE; \
+	type IRAM_HOST_ACCESS_EN; \
+	type IRAM_WR_ADDR_AUTO_INC
+
+struct dce_dmcu_shift {
+	DMCU_REG_FIELD_LIST(uint8_t);
+};
+
+struct dce_dmcu_mask {
+	DMCU_REG_FIELD_LIST(uint32_t);
+};
+
+struct dce_dmcu_registers {
+	uint32_t DMCU_RAM_ACCESS_CTRL;
+	uint32_t DCI_MEM_PWR_STATUS;
+	uint32_t DMU_MEM_PWR_CNTL;
+	uint32_t DMCU_IRAM_WR_CTRL;
+	uint32_t DMCU_IRAM_WR_DATA;
+};
+
+struct dce_dmcu {
+	struct dmcu base;
+	const struct dce_dmcu_registers *regs;
+	const struct dce_dmcu_shift *dmcu_shift;
+	const struct dce_dmcu_mask *dmcu_mask;
+};
+
+struct dmcu *dce_dmcu_create(
+	struct dc_context *ctx,
+	const struct dce_dmcu_registers *regs,
+	const struct dce_dmcu_shift *dmcu_shift,
+	const struct dce_dmcu_mask *dmcu_mask);
+
+void dce_dmcu_destroy(struct dmcu **dmcu);
+
+#endif /* _DCE_ABM_H_ */