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path: root/drivers/gpu/drm/i915/display/intel_dsb_buffer.h
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/* SPDX-License-Identifier: MIT
 *
 * Copyright © 2023 Intel Corporation
 */

#ifndef _INTEL_DSB_BUFFER_H
#define _INTEL_DSB_BUFFER_H

#include <linux/types.h>

struct intel_crtc;
struct i915_vma;

struct intel_dsb_buffer {
	u32 *cmd_buf;
	struct i915_vma *vma;
	size_t buf_size;
};

u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf);
void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val);
u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx);
void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size);
bool intel_dsb_buffer_create(struct intel_crtc *crtc, struct intel_dsb_buffer *dsb_buf,
			     size_t size);
void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf);
void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf);

#endif