rv6xx_dpm.h revision 1.1.1.1.30.1 1 /* $NetBSD: rv6xx_dpm.h,v 1.1.1.1.30.1 2018/09/06 06:56:33 pgoyette Exp $ */
2
3 /*
4 * Copyright 2011 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Alex Deucher
25 */
26
27 #ifndef __RV6XX_DPM_H__
28 #define __RV6XX_DPM_H__
29
30 #include "r600_dpm.h"
31
32 /* Represents a single SCLK step. */
33 struct rv6xx_sclk_stepping
34 {
35 u32 vco_frequency;
36 u32 post_divider;
37 };
38
39 struct rv6xx_pm_hw_state {
40 u32 sclks[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
41 u32 mclks[R600_PM_NUMBER_OF_MCLKS];
42 u16 vddc[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
43 bool backbias[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
44 bool pcie_gen2[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
45 u8 high_sclk_index;
46 u8 medium_sclk_index;
47 u8 low_sclk_index;
48 u8 high_mclk_index;
49 u8 medium_mclk_index;
50 u8 low_mclk_index;
51 u8 high_vddc_index;
52 u8 medium_vddc_index;
53 u8 low_vddc_index;
54 u8 rp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
55 u8 lp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
56 };
57
58 struct rv6xx_power_info {
59 /* flags */
60 bool voltage_control;
61 bool sclk_ss;
62 bool mclk_ss;
63 bool dynamic_ss;
64 bool dynamic_pcie_gen2;
65 bool thermal_protection;
66 bool display_gap;
67 bool gfx_clock_gating;
68 /* clk values */
69 u32 fb_div_scale;
70 u32 spll_ref_div;
71 u32 mpll_ref_div;
72 u32 bsu;
73 u32 bsp;
74 /* */
75 u32 active_auto_throttle_sources;
76 /* current power state */
77 u32 restricted_levels;
78 struct rv6xx_pm_hw_state hw;
79 };
80
81 struct rv6xx_pl {
82 u32 sclk;
83 u32 mclk;
84 u16 vddc;
85 u32 flags;
86 };
87
88 struct rv6xx_ps {
89 struct rv6xx_pl high;
90 struct rv6xx_pl medium;
91 struct rv6xx_pl low;
92 };
93
94 #define RV6XX_DEFAULT_VCLK_FREQ 40000 /* 10 khz */
95 #define RV6XX_DEFAULT_DCLK_FREQ 30000 /* 10 khz */
96
97 #endif
98