1/* Copyright 2012-15 Advanced Micro Devices, Inc.
 2 *
 3 * Permission is hereby granted, free of charge, to any person obtaining a
 4 * copy of this software and associated documentation files (the "Software"),
 5 * to deal in the Software without restriction, including without limitation
 6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 7 * and/or sell copies of the Software, and to permit persons to whom the
 8 * Software is furnished to do so, subject to the following conditions:
 9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 * OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Authors: AMD
22 *
23 */
24
25#ifndef __DC_DMCU_H__
26#define __DC_DMCU_H__
27
28#include "dm_services_types.h"
29
30enum dmcu_state {
31	DMCU_NOT_INITIALIZED = 0,
32	DMCU_RUNNING = 1
33};
34
35struct dmcu {
36	struct dc_context *ctx;
37	const struct dmcu_funcs *funcs;
38
39	enum dmcu_state dmcu_state;
40	struct dmcu_version dmcu_version;
41	unsigned int cached_wait_loop_number;
42};
43
44struct dmcu_funcs {
45	bool (*dmcu_init)(struct dmcu *dmcu);
46	bool (*load_iram)(struct dmcu *dmcu,
47			unsigned int start_offset,
48			const char *src,
49			unsigned int bytes);
50	void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait);
51	void (*setup_psr)(struct dmcu *dmcu,
52			struct dc_link *link,
53			struct psr_context *psr_context);
54	void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state);
55	void (*set_psr_wait_loop)(struct dmcu *dmcu,
56			unsigned int wait_loop_number);
57	void (*get_psr_wait_loop)(struct dmcu *dmcu,
58			unsigned int *psr_wait_loop_number);
59	bool (*is_dmcu_initialized)(struct dmcu *dmcu);
60};
61
62#endif