tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef _EVENTMGR_H_
25#define _EVENTMGR_H_
26
27#include <linux/mutex.h>
28#include "pp_instance.h"
29#include "hardwaremanager.h"
30#include "eventmanager.h"
31#include "pp_feature.h"
32#include "pp_power_source.h"
33#include "power_state.h"
34
35typedef int (*pem_event_action)(struct pp_eventmgr *eventmgr,
36 struct pem_event_data *event_data);
37
38struct action_chain {
39 const char *description; /* action chain description for debugging purpose */
40 const pem_event_action * const *action_chain; /* pointer to chain of event actions */
41};
42
43struct pem_power_source_ui_state_info {
44 enum PP_StateUILabel current_ui_label;
45 enum PP_StateUILabel default_ui_lable;
46 unsigned long configurable_ui_mapping;
47};
48
49struct pp_clock_range {
50 uint32_t min_sclk_khz;
51 uint32_t max_sclk_khz;
52
53 uint32_t min_mclk_khz;
54 uint32_t max_mclk_khz;
55
56 uint32_t min_vclk_khz;
57 uint32_t max_vclk_khz;
58
59 uint32_t min_dclk_khz;
60 uint32_t max_dclk_khz;
61
62 uint32_t min_aclk_khz;
63 uint32_t max_aclk_khz;
64
65 uint32_t min_eclk_khz;
66 uint32_t max_eclk_khz;
67};
68
69enum pp_state {
70 UNINITIALIZED,
71 INACTIVE,
72 ACTIVE
73};
74
75enum pp_ring_index {
76 PP_RING_TYPE_GFX_INDEX = 0,
77 PP_RING_TYPE_DMA_INDEX,
78 PP_RING_TYPE_DMA1_INDEX,
79 PP_RING_TYPE_UVD_INDEX,
80 PP_RING_TYPE_VCE0_INDEX,
81 PP_RING_TYPE_VCE1_INDEX,
82 PP_RING_TYPE_CP1_INDEX,
83 PP_RING_TYPE_CP2_INDEX,
84 PP_NUM_RINGS,
85};
86
87struct pp_request {
88 uint32_t flags;
89 uint32_t sclk;
90 uint32_t sclk_throttle;
91 uint32_t mclk;
92 uint32_t vclk;
93 uint32_t dclk;
94 uint32_t eclk;
95 uint32_t aclk;
96 uint32_t iclk;
97 uint32_t vp8clk;
98 uint32_t rsv[32];
99};
100
101struct pp_eventmgr {
102 struct pp_hwmgr *hwmgr;
103 struct pp_smumgr *smumgr;
104
105 struct pp_feature_info features[PP_Feature_Max];
106 const struct action_chain *event_chain[AMD_PP_EVENT_MAX];
107 struct phm_platform_descriptor *platform_descriptor;
108 struct pp_clock_range clock_range;
109 enum pp_power_source current_power_source;
110 struct pem_power_source_ui_state_info ui_state_info[PP_PowerSource_Max];
111 enum pp_state states[PP_NUM_RINGS];
112 struct pp_request hi_req;
113 struct list_head context_list;
114 struct mutex lock;
115 bool block_adjust_power_state;
116 bool enable_cg;
117 bool enable_gfx_cgpg;
118 int (*pp_eventmgr_init)(struct pp_eventmgr *eventmgr);
119 void (*pp_eventmgr_fini)(struct pp_eventmgr *eventmgr);
120};
121
122int eventmgr_init(struct pp_instance *handle);
123int eventmgr_fini(struct pp_eventmgr *eventmgr);
124
125#endif /* _EVENTMGR_H_ */