Merge remote-tracking branch 'dma-public/for-v3.12-cma-dma' into for-next
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / ni_dpm.h
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 __NI_DPM_H__
24 #define __NI_DPM_H__
25
26 #include "cypress_dpm.h"
27 #include "btc_dpm.h"
28 #include "nislands_smc.h"
29
30 struct ni_clock_registers {
31         u32 cg_spll_func_cntl;
32         u32 cg_spll_func_cntl_2;
33         u32 cg_spll_func_cntl_3;
34         u32 cg_spll_func_cntl_4;
35         u32 cg_spll_spread_spectrum;
36         u32 cg_spll_spread_spectrum_2;
37         u32 mclk_pwrmgt_cntl;
38         u32 dll_cntl;
39         u32 mpll_ad_func_cntl;
40         u32 mpll_ad_func_cntl_2;
41         u32 mpll_dq_func_cntl;
42         u32 mpll_dq_func_cntl_2;
43         u32 mpll_ss1;
44         u32 mpll_ss2;
45 };
46
47 struct ni_mc_reg_entry {
48         u32 mclk_max;
49         u32 mc_data[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
50 };
51
52 struct ni_mc_reg_table {
53         u8 last;
54         u8 num_entries;
55         u16 valid_flag;
56         struct ni_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
57         SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
58 };
59
60 #define NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT 2
61
62 enum ni_dc_cac_level
63 {
64         NISLANDS_DCCAC_LEVEL_0 = 0,
65         NISLANDS_DCCAC_LEVEL_1,
66         NISLANDS_DCCAC_LEVEL_2,
67         NISLANDS_DCCAC_LEVEL_3,
68         NISLANDS_DCCAC_LEVEL_4,
69         NISLANDS_DCCAC_LEVEL_5,
70         NISLANDS_DCCAC_LEVEL_6,
71         NISLANDS_DCCAC_LEVEL_7,
72         NISLANDS_DCCAC_MAX_LEVELS
73 };
74
75 struct ni_leakage_coeffients
76 {
77         u32 at;
78         u32 bt;
79         u32 av;
80         u32 bv;
81         s32 t_slope;
82         s32 t_intercept;
83         u32 t_ref;
84 };
85
86 struct ni_cac_data
87 {
88         struct ni_leakage_coeffients leakage_coefficients;
89         u32 i_leakage;
90         s32 leakage_minimum_temperature;
91         u32 pwr_const;
92         u32 dc_cac_value;
93         u32 bif_cac_value;
94         u32 lkge_pwr;
95         u8 mc_wr_weight;
96         u8 mc_rd_weight;
97         u8 allow_ovrflw;
98         u8 num_win_tdp;
99         u8 l2num_win_tdp;
100         u8 lts_truncate_n;
101 };
102
103 struct ni_cac_weights
104 {
105         u32 weight_tcp_sig0;
106         u32 weight_tcp_sig1;
107         u32 weight_ta_sig;
108         u32 weight_tcc_en0;
109         u32 weight_tcc_en1;
110         u32 weight_tcc_en2;
111         u32 weight_cb_en0;
112         u32 weight_cb_en1;
113         u32 weight_cb_en2;
114         u32 weight_cb_en3;
115         u32 weight_db_sig0;
116         u32 weight_db_sig1;
117         u32 weight_db_sig2;
118         u32 weight_db_sig3;
119         u32 weight_sxm_sig0;
120         u32 weight_sxm_sig1;
121         u32 weight_sxm_sig2;
122         u32 weight_sxs_sig0;
123         u32 weight_sxs_sig1;
124         u32 weight_xbr_0;
125         u32 weight_xbr_1;
126         u32 weight_xbr_2;
127         u32 weight_spi_sig0;
128         u32 weight_spi_sig1;
129         u32 weight_spi_sig2;
130         u32 weight_spi_sig3;
131         u32 weight_spi_sig4;
132         u32 weight_spi_sig5;
133         u32 weight_lds_sig0;
134         u32 weight_lds_sig1;
135         u32 weight_sc;
136         u32 weight_bif;
137         u32 weight_cp;
138         u32 weight_pa_sig0;
139         u32 weight_pa_sig1;
140         u32 weight_vgt_sig0;
141         u32 weight_vgt_sig1;
142         u32 weight_vgt_sig2;
143         u32 weight_dc_sig0;
144         u32 weight_dc_sig1;
145         u32 weight_dc_sig2;
146         u32 weight_dc_sig3;
147         u32 weight_uvd_sig0;
148         u32 weight_uvd_sig1;
149         u32 weight_spare0;
150         u32 weight_spare1;
151         u32 weight_sq_vsp;
152         u32 weight_sq_vsp0;
153         u32 weight_sq_gpr;
154         u32 ovr_mode_spare_0;
155         u32 ovr_val_spare_0;
156         u32 ovr_mode_spare_1;
157         u32 ovr_val_spare_1;
158         u32 vsp;
159         u32 vsp0;
160         u32 gpr;
161         u8 mc_read_weight;
162         u8 mc_write_weight;
163         u32 tid_cnt;
164         u32 tid_unit;
165         u32 l2_lta_window_size;
166         u32 lts_truncate;
167         u32 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
168         u32 pcie_cac[SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES];
169         bool enable_power_containment_by_default;
170 };
171
172 struct ni_ps {
173         u16 performance_level_count;
174         bool dc_compatible;
175         struct rv7xx_pl performance_levels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
176 };
177
178 struct ni_power_info {
179         /* must be first! */
180         struct evergreen_power_info eg;
181         struct ni_clock_registers clock_registers;
182         struct ni_mc_reg_table mc_reg_table;
183         u32 mclk_rtt_mode_threshold;
184         /* flags */
185         bool use_power_boost_limit;
186         bool support_cac_long_term_average;
187         bool cac_enabled;
188         bool cac_configuration_required;
189         bool driver_calculate_cac_leakage;
190         bool pc_enabled;
191         bool enable_power_containment;
192         bool enable_cac;
193         bool enable_sq_ramping;
194         /* smc offsets */
195         u16 arb_table_start;
196         u16 fan_table_start;
197         u16 cac_table_start;
198         u16 spll_table_start;
199         /* CAC stuff */
200         struct ni_cac_data cac_data;
201         u32 dc_cac_table[NISLANDS_DCCAC_MAX_LEVELS];
202         const struct ni_cac_weights *cac_weights;
203         u8 lta_window_size;
204         u8 lts_truncate;
205         struct ni_ps current_ps;
206         struct ni_ps requested_ps;
207         /* scratch structs */
208         SMC_NIslands_MCRegisters smc_mc_reg_table;
209         NISLANDS_SMC_STATETABLE smc_statetable;
210 };
211
212 #define NISLANDS_INITIAL_STATE_ARB_INDEX    0
213 #define NISLANDS_ACPI_STATE_ARB_INDEX       1
214 #define NISLANDS_ULV_STATE_ARB_INDEX        2
215 #define NISLANDS_DRIVER_STATE_ARB_INDEX     3
216
217 #define NISLANDS_DPM2_MAX_PULSE_SKIP        256
218
219 #define NISLANDS_DPM2_NEAR_TDP_DEC          10
220 #define NISLANDS_DPM2_ABOVE_SAFE_INC        5
221 #define NISLANDS_DPM2_BELOW_SAFE_INC        20
222
223 #define NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
224
225 #define NISLANDS_DPM2_MAXPS_PERCENT_H                   90
226 #define NISLANDS_DPM2_MAXPS_PERCENT_M                   0
227
228 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
229 #define NISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
230 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
231 #define NISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
232 #define NISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
233
234 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
235                                 u32 arb_freq_src, u32 arb_freq_dest);
236 void ni_update_current_ps(struct radeon_device *rdev,
237                           struct radeon_ps *rps);
238 void ni_update_requested_ps(struct radeon_device *rdev,
239                             struct radeon_ps *rps);
240
241 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
242                                            struct radeon_ps *new_ps,
243                                            struct radeon_ps *old_ps);
244 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
245                                           struct radeon_ps *new_ps,
246                                           struct radeon_ps *old_ps);
247
248 bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
249
250 #endif