These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / amd / amdgpu / cz_dpm.h
1 /*
2  * Copyright 2014 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 __CZ_DPM_H__
25 #define __CZ_DPM_H__
26
27 #include "smu8_fusion.h"
28
29 #define CZ_AT_DFLT                                      30
30 #define CZ_NUM_NBPSTATES                                4
31 #define CZ_NUM_NBPMEMORY_CLOCK                          2
32 #define CZ_MAX_HARDWARE_POWERLEVELS                     8
33 #define CZ_MAX_DISPLAY_CLOCK_LEVEL                      8
34 #define CZ_MAX_DISPLAYPHY_IDS                           10
35
36 #define PPCZ_VOTINGRIGHTSCLIENTS_DFLT0                  0x3FFFC102
37
38 #define SMC_RAM_END                                     0x40000
39
40 #define DPMFlags_SCLK_Enabled                           0x00000001
41 #define DPMFlags_UVD_Enabled                            0x00000002
42 #define DPMFlags_VCE_Enabled                            0x00000004
43 #define DPMFlags_ACP_Enabled                            0x00000008
44 #define DPMFlags_ForceHighestValid                      0x40000000
45 #define DPMFlags_Debug                                  0x80000000
46
47 /* Do not change the following, it is also defined in SMU8.h */
48 #define SMU_EnabledFeatureScoreboard_AcpDpmOn           0x00000001
49 #define SMU_EnabledFeatureScoreboard_SclkDpmOn          0x00200000
50 #define SMU_EnabledFeatureScoreboard_UvdDpmOn           0x00800000
51 #define SMU_EnabledFeatureScoreboard_VceDpmOn           0x01000000
52
53 /* temporary solution to SetMinDeepSleepSclk
54  * should indicate by display adaptor
55  * 10k Hz unit*/
56 #define CZ_MIN_DEEP_SLEEP_SCLK                          800
57
58 enum cz_pt_config_reg_type {
59         CZ_CONFIGREG_MMR = 0,
60         CZ_CONFIGREG_SMC_IND,
61         CZ_CONFIGREG_DIDT_IND,
62         CZ_CONFIGREG_CACHE,
63         CZ_CONFIGREG_MAX
64 };
65
66 struct cz_pt_config_reg {
67         uint32_t offset;
68         uint32_t mask;
69         uint32_t shift;
70         uint32_t value;
71         enum cz_pt_config_reg_type type;
72 };
73
74 struct cz_dpm_entry {
75         uint32_t        soft_min_clk;
76         uint32_t        hard_min_clk;
77         uint32_t        soft_max_clk;
78         uint32_t        hard_max_clk;
79 };
80
81 struct cz_pl {
82         uint32_t sclk;
83         uint8_t vddc_index;
84         uint8_t ds_divider_index;
85         uint8_t ss_divider_index;
86         uint8_t allow_gnb_slow;
87         uint8_t force_nbp_state;
88         uint8_t display_wm;
89         uint8_t vce_wm;
90 };
91
92 struct cz_ps {
93         struct cz_pl levels[CZ_MAX_HARDWARE_POWERLEVELS];
94         uint32_t num_levels;
95         bool need_dfs_bypass;
96         uint8_t dpm0_pg_nb_ps_lo;
97         uint8_t dpm0_pg_nb_ps_hi;
98         uint8_t dpmx_nb_ps_lo;
99         uint8_t dpmx_nb_ps_hi;
100         bool force_high;
101 };
102
103 struct cz_displayphy_entry {
104         uint8_t phy_present;
105         uint8_t active_lane_mapping;
106         uint8_t display_conf_type;
107         uint8_t num_active_lanes;
108 };
109
110 struct cz_displayphy_info {
111         bool phy_access_initialized;
112         struct cz_displayphy_entry entries[CZ_MAX_DISPLAYPHY_IDS];
113 };
114
115 struct cz_sys_info {
116         uint32_t bootup_uma_clk;
117         uint32_t bootup_sclk;
118         uint32_t dentist_vco_freq;
119         uint32_t nb_dpm_enable;
120         uint32_t nbp_memory_clock[CZ_NUM_NBPMEMORY_CLOCK];
121         uint32_t nbp_n_clock[CZ_NUM_NBPSTATES];
122         uint8_t nbp_voltage_index[CZ_NUM_NBPSTATES];
123         uint32_t display_clock[CZ_MAX_DISPLAY_CLOCK_LEVEL];
124         uint16_t bootup_nb_voltage_index;
125         uint8_t htc_tmp_lmt;
126         uint8_t htc_hyst_lmt;
127         uint32_t uma_channel_number;
128 };
129
130 struct cz_power_info {
131         uint32_t active_target[CZ_MAX_HARDWARE_POWERLEVELS];
132         struct cz_sys_info sys_info;
133         struct cz_pl boot_pl;
134         bool disable_nb_ps3_in_battery;
135         bool battery_state;
136         uint32_t lowest_valid;
137         uint32_t highest_valid;
138         uint16_t high_voltage_threshold;
139         /* smc offsets */
140         uint32_t sram_end;
141         uint32_t dpm_table_start;
142         uint32_t soft_regs_start;
143         /* dpm SMU tables */
144         uint8_t uvd_level_count;
145         uint8_t vce_level_count;
146         uint8_t acp_level_count;
147         uint32_t fps_high_threshold;
148         uint32_t fps_low_threshold;
149         /* dpm table */
150         uint32_t dpm_flags;
151         struct cz_dpm_entry sclk_dpm;
152         struct cz_dpm_entry uvd_dpm;
153         struct cz_dpm_entry vce_dpm;
154         struct cz_dpm_entry acp_dpm;
155
156         uint8_t uvd_boot_level;
157         uint8_t uvd_interval;
158         uint8_t vce_boot_level;
159         uint8_t vce_interval;
160         uint8_t acp_boot_level;
161         uint8_t acp_interval;
162
163         uint8_t graphics_boot_level;
164         uint8_t graphics_interval;
165         uint8_t graphics_therm_throttle_enable;
166         uint8_t graphics_voltage_change_enable;
167         uint8_t graphics_clk_slow_enable;
168         uint8_t graphics_clk_slow_divider;
169
170         uint32_t low_sclk_interrupt_threshold;
171         bool uvd_power_gated;
172         bool vce_power_gated;
173         bool acp_power_gated;
174
175         uint32_t active_process_mask;
176
177         uint32_t mgcg_cgtt_local0;
178         uint32_t mgcg_cgtt_local1;
179         uint32_t clock_slow_down_step;
180         uint32_t skip_clock_slow_down;
181         bool enable_nb_ps_policy;
182         uint32_t voting_clients;
183         uint32_t voltage_drop_threshold;
184         uint32_t gfx_pg_threshold;
185         uint32_t max_sclk_level;
186         /* flags */
187         bool didt_enabled;
188         bool video_start;
189         bool cac_enabled;
190         bool bapm_enabled;
191         bool nb_dpm_enabled_by_driver;
192         bool nb_dpm_enabled;
193         bool auto_thermal_throttling_enabled;
194         bool dpm_enabled;
195         bool need_pptable_upload;
196         /* caps */
197         bool caps_cac;
198         bool caps_power_containment;
199         bool caps_sq_ramping;
200         bool caps_db_ramping;
201         bool caps_td_ramping;
202         bool caps_tcp_ramping;
203         bool caps_sclk_throttle_low_notification;
204         bool caps_fps;
205         bool caps_uvd_dpm;
206         bool caps_uvd_pg;
207         bool caps_vce_dpm;
208         bool caps_vce_pg;
209         bool caps_acp_dpm;
210         bool caps_acp_pg;
211         bool caps_stable_power_state;
212         bool caps_enable_dfs_bypass;
213         bool caps_sclk_ds;
214         bool caps_voltage_island;
215         /* power state */
216         struct amdgpu_ps current_rps;
217         struct cz_ps current_ps;
218         struct amdgpu_ps requested_rps;
219         struct cz_ps requested_ps;
220
221         bool uvd_power_down;
222         bool vce_power_down;
223         bool acp_power_down;
224
225         bool uvd_dynamic_pg;
226 };
227
228 /* cz_smc.c */
229 uint32_t cz_get_argument(struct amdgpu_device *adev);
230 int cz_send_msg_to_smc(struct amdgpu_device *adev, uint16_t msg);
231 int cz_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
232                         uint16_t msg, uint32_t parameter);
233 int cz_read_smc_sram_dword(struct amdgpu_device *adev,
234                         uint32_t smc_address, uint32_t *value, uint32_t limit);
235 int cz_smu_upload_pptable(struct amdgpu_device *adev);
236 int cz_smu_download_pptable(struct amdgpu_device *adev, void **table);
237 #endif