xref: /linux/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.h (revision 9e56ff53b4115875667760445b028357848b4748)
1 /*
2  * Copyright 2013 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 __KV_DPM_H__
24 #define __KV_DPM_H__
25 
26 #define SMU__NUM_SCLK_DPM_STATE  8
27 #define SMU__NUM_MCLK_DPM_LEVELS 4
28 #define SMU__NUM_LCLK_DPM_LEVELS 8
29 #define SMU__NUM_PCIE_DPM_LEVELS 0 /* ??? */
30 #include "smu7_fusion.h"
31 #include "ppsmc.h"
32 
33 #define SUMO_MAX_HARDWARE_POWERLEVELS 5
34 
35 #define SUMO_MAX_NUMBER_VOLTAGES    4
36 
37 struct sumo_vid_mapping_entry {
38 	u16 vid_2bit;
39 	u16 vid_7bit;
40 };
41 
42 struct sumo_vid_mapping_table {
43 	u32 num_entries;
44 	struct sumo_vid_mapping_entry entries[SUMO_MAX_NUMBER_VOLTAGES];
45 };
46 
47 struct sumo_sclk_voltage_mapping_entry {
48 	u32 sclk_frequency;
49 	u16 vid_2bit;
50 	u16 rsv;
51 };
52 
53 struct sumo_sclk_voltage_mapping_table {
54 	u32 num_max_dpm_entries;
55 	struct sumo_sclk_voltage_mapping_entry entries[SUMO_MAX_HARDWARE_POWERLEVELS];
56 };
57 
58 #define TRINITY_AT_DFLT            30
59 
60 #define KV_NUM_NBPSTATES   4
61 
62 enum kv_pt_config_reg_type {
63 	KV_CONFIGREG_MMR = 0,
64 	KV_CONFIGREG_SMC_IND,
65 	KV_CONFIGREG_DIDT_IND,
66 	KV_CONFIGREG_CACHE,
67 	KV_CONFIGREG_MAX
68 };
69 
70 struct kv_pt_config_reg {
71 	u32 offset;
72 	u32 mask;
73 	u32 shift;
74 	u32 value;
75 	enum kv_pt_config_reg_type type;
76 };
77 
78 struct kv_lcac_config_values {
79 	u32 block_id;
80 	u32 signal_id;
81 	u32 t;
82 };
83 
84 struct kv_lcac_config_reg {
85 	u32 cntl;
86 	u32 block_mask;
87 	u32 block_shift;
88 	u32 signal_mask;
89 	u32 signal_shift;
90 	u32 t_mask;
91 	u32 t_shift;
92 	u32 enable_mask;
93 	u32 enable_shift;
94 };
95 
96 struct kv_pl {
97 	u32 sclk;
98 	u8 vddc_index;
99 	u8 ds_divider_index;
100 	u8 ss_divider_index;
101 	u8 allow_gnb_slow;
102 	u8 force_nbp_state;
103 	u8 display_wm;
104 	u8 vce_wm;
105 };
106 
107 struct kv_ps {
108 	struct kv_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS];
109 	u32 num_levels;
110 	bool need_dfs_bypass;
111 	u8 dpm0_pg_nb_ps_lo;
112 	u8 dpm0_pg_nb_ps_hi;
113 	u8 dpmx_nb_ps_lo;
114 	u8 dpmx_nb_ps_hi;
115 };
116 
117 struct kv_sys_info {
118 	u32 bootup_uma_clk;
119 	u32 bootup_sclk;
120 	u32 dentist_vco_freq;
121 	u32 nb_dpm_enable;
122 	u32 nbp_memory_clock[KV_NUM_NBPSTATES];
123 	u32 nbp_n_clock[KV_NUM_NBPSTATES];
124 	u16 bootup_nb_voltage_index;
125 	u8 htc_tmp_lmt;
126 	u8 htc_hyst_lmt;
127 	struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table;
128 	struct sumo_vid_mapping_table vid_mapping_table;
129 	u32 uma_channel_number;
130 };
131 
132 struct kv_power_info {
133 	u32 at[SUMO_MAX_HARDWARE_POWERLEVELS];
134 	u32 voltage_drop_t;
135 	struct kv_sys_info sys_info;
136 	struct kv_pl boot_pl;
137 	bool enable_nb_ps_policy;
138 	bool disable_nb_ps3_in_battery;
139 	bool video_start;
140 	bool battery_state;
141 	u32 lowest_valid;
142 	u32 highest_valid;
143 	u16 high_voltage_t;
144 	bool cac_enabled;
145 	bool bapm_enable;
146 	/* smc offsets */
147 	u32 sram_end;
148 	u32 dpm_table_start;
149 	u32 soft_regs_start;
150 	/* dpm SMU tables */
151 	u8 graphics_dpm_level_count;
152 	u8 uvd_level_count;
153 	u8 vce_level_count;
154 	u8 acp_level_count;
155 	u8 samu_level_count;
156 	u16 fps_high_t;
157 	SMU7_Fusion_GraphicsLevel graphics_level[SMU__NUM_SCLK_DPM_STATE];
158 	SMU7_Fusion_ACPILevel acpi_level;
159 	SMU7_Fusion_UvdLevel uvd_level[SMU7_MAX_LEVELS_UVD];
160 	SMU7_Fusion_ExtClkLevel vce_level[SMU7_MAX_LEVELS_VCE];
161 	SMU7_Fusion_ExtClkLevel acp_level[SMU7_MAX_LEVELS_ACP];
162 	SMU7_Fusion_ExtClkLevel samu_level[SMU7_MAX_LEVELS_SAMU];
163 	u8 uvd_boot_level;
164 	u8 vce_boot_level;
165 	u8 acp_boot_level;
166 	u8 samu_boot_level;
167 	u8 uvd_interval;
168 	u8 vce_interval;
169 	u8 acp_interval;
170 	u8 samu_interval;
171 	u8 graphics_boot_level;
172 	u8 graphics_interval;
173 	u8 graphics_therm_throttle_enable;
174 	u8 graphics_voltage_change_enable;
175 	u8 graphics_clk_slow_enable;
176 	u8 graphics_clk_slow_divider;
177 	u8 fps_low_t;
178 	u32 low_sclk_interrupt_t;
179 	bool uvd_power_gated;
180 	bool vce_power_gated;
181 	bool acp_power_gated;
182 	bool samu_power_gated;
183 	bool nb_dpm_enabled;
184 	/* flags */
185 	bool enable_didt;
186 	bool enable_dpm;
187 	bool enable_auto_thermal_throttling;
188 	bool enable_nb_dpm;
189 	/* caps */
190 	bool caps_cac;
191 	bool caps_power_containment;
192 	bool caps_sq_ramping;
193 	bool caps_db_ramping;
194 	bool caps_td_ramping;
195 	bool caps_tcp_ramping;
196 	bool caps_sclk_throttle_low_notification;
197 	bool caps_fps;
198 	bool caps_uvd_dpm;
199 	bool caps_uvd_pg;
200 	bool caps_vce_pg;
201 	bool caps_samu_pg;
202 	bool caps_acp_pg;
203 	bool caps_stable_p_state;
204 	bool caps_enable_dfs_bypass;
205 	bool caps_sclk_ds;
206 	struct amdgpu_ps current_rps;
207 	struct kv_ps current_ps;
208 	struct amdgpu_ps requested_rps;
209 	struct kv_ps requested_ps;
210 };
211 
212 /* XXX are these ok? */
213 #define KV_TEMP_RANGE_MIN (90 * 1000)
214 #define KV_TEMP_RANGE_MAX (120 * 1000)
215 
216 /* kv_smc.c */
217 int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id);
218 int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask);
219 int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
220 				      PPSMC_Msg msg, u32 parameter);
221 int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
222 			   u32 *value, u32 limit);
223 int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable);
224 int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable);
225 int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev,
226 			 u32 smc_start_address,
227 			 const u8 *src, u32 byte_count, u32 limit);
228 
229 #endif
230