intel_guc_slpc_types.h revision 1.2 
1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright �� 2021 Intel Corporation
4 */
5
6#ifndef _INTEL_GUC_SLPC_TYPES_H_
7#define _INTEL_GUC_SLPC_TYPES_H_
8
9#include <linux/atomic.h>
10#include <linux/workqueue.h>
11#include <linux/mutex.h>
12#include <linux/types.h>
13
14#define SLPC_RESET_TIMEOUT_MS 5
15
16struct intel_guc_slpc {
17	struct i915_vma *vma;
18	struct slpc_shared_data *vaddr;
19	bool supported;
20	bool selected;
21
22	/* platform frequency limits */
23	u32 min_freq;
24	u32 rp0_freq;
25	u32 rp1_freq;
26	u32 boost_freq;
27
28	/* frequency softlimits */
29	u32 min_freq_softlimit;
30	u32 max_freq_softlimit;
31
32	/* cached media ratio mode */
33	u32 media_ratio_mode;
34
35	/* Protects set/reset of boost freq
36	 * and value of num_waiters
37	 */
38	struct rwlock lock;
39
40	struct work_struct boost_work;
41	atomic_t num_waiters;
42	u32 num_boosts;
43};
44
45#endif
46