1/*
2 * Copyright 2012 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#ifndef __TRINITY_DPM_H__
24#define __TRINITY_DPM_H__
25
26#include "sumo_dpm.h"
27
28#define TRINITY_SIZEOF_DPM_STATE_TABLE (SMU_SCLK_DPM_STATE_1_CNTL_0 - SMU_SCLK_DPM_STATE_0_CNTL_0)
29
30struct trinity_pl {
31 u32 sclk;
32 u8 vddc_index;
33 u8 ds_divider_index;
34 u8 ss_divider_index;
35 u8 allow_gnb_slow;
36 u8 force_nbp_state;
37 u8 display_wm;
38 u8 vce_wm;
39};
40
41#define TRINITY_POWERSTATE_FLAGS_NBPS_FORCEHIGH (1 << 0)
42#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOHIGH (1 << 1)
43#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOLOW (1 << 2)
44
45#define TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE (1 << 0)
46
47struct trinity_ps {
48 u32 num_levels;
49 struct trinity_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS];
50
51 u32 nbps_flags;
52 u32 bapm_flags;
53
54 u8 Dpm0PgNbPsLo;
55 u8 Dpm0PgNbPsHi;
56 u8 DpmXNbPsLo;
57 u8 DpmXNbPsHi;
58
59 u32 vclk_low_divider;
60 u32 vclk_high_divider;
61 u32 dclk_low_divider;
62 u32 dclk_high_divider;
63};
64
65#define TRINITY_NUM_NBPSTATES 4
66
67struct trinity_uvd_clock_table_entry {
68 u32 vclk;
69 u32 dclk;
70 u8 vclk_did;
71 u8 dclk_did;
72 u8 rsv[2];
73};
74
75struct trinity_sys_info {
76 u32 bootup_uma_clk;
77 u32 bootup_sclk;
78 u32 min_sclk;
79 u32 dentist_vco_freq;
80 u32 nb_dpm_enable;
81 u32 nbp_mclk[TRINITY_NUM_NBPSTATES];
82 u32 nbp_nclk[TRINITY_NUM_NBPSTATES];
83 u16 nbp_voltage_index[TRINITY_NUM_NBPSTATES];
84 u16 bootup_nb_voltage_index;
85 u8 htc_tmp_lmt;
86 u8 htc_hyst_lmt;
87 struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table;
88 struct sumo_vid_mapping_table vid_mapping_table;
89 u32 uma_channel_number;
90 struct trinity_uvd_clock_table_entry uvd_clock_table_entries[4];
91};
92
93struct trinity_power_info {
94 u32 at[SUMO_MAX_HARDWARE_POWERLEVELS];
95 u32 dpm_interval;
96 u32 thermal_auto_throttling;
97 struct trinity_sys_info sys_info;
98 struct trinity_pl boot_pl;
99 u32 min_sclk_did;
100 bool enable_nbps_policy;
101 bool voltage_drop_in_dce;
102 bool override_dynamic_mgpg;
103 bool enable_gfx_clock_gating;
104 bool enable_gfx_power_gating;
105 bool enable_mg_clock_gating;
106 bool enable_gfx_dynamic_mgpg;
107 bool enable_auto_thermal_throttling;
108 bool enable_dpm;
109 bool enable_sclk_ds;
110 bool enable_bapm;
111 bool uvd_dpm;
112 struct radeon_ps current_rps;
113 struct trinity_ps current_ps;
114 struct radeon_ps requested_rps;
115 struct trinity_ps requested_ps;
116};
117
118#define TRINITY_AT_DFLT 30
119
120/* trinity_smc.c */
121int trinity_dpm_bapm_enable(struct radeon_device *rdev, bool enable);
122int trinity_dpm_config(struct radeon_device *rdev, bool enable);
123int trinity_uvd_dpm_config(struct radeon_device *rdev);
124int trinity_dpm_force_state(struct radeon_device *rdev, u32 n);
125int trinity_dpm_n_levels_disabled(struct radeon_device *rdev, u32 n);
126int trinity_dpm_no_forced_level(struct radeon_device *rdev);
127int trinity_dce_enable_voltage_adjustment(struct radeon_device *rdev,
128 bool enable);
129int trinity_gfx_dynamic_mgpg_config(struct radeon_device *rdev);
130void trinity_acquire_mutex(struct radeon_device *rdev);
131void trinity_release_mutex(struct radeon_device *rdev);
132
133#endif
134

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source code of linux/drivers/gpu/drm/radeon/trinity_dpm.h