1/*
2 * Copyright 2011 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 __RV770_DPM_H__
24#define __RV770_DPM_H__
25
26#include "rv770_smc.h"
27
28struct rv770_clock_registers {
29 u32 cg_spll_func_cntl;
30 u32 cg_spll_func_cntl_2;
31 u32 cg_spll_func_cntl_3;
32 u32 cg_spll_spread_spectrum;
33 u32 cg_spll_spread_spectrum_2;
34 u32 mpll_ad_func_cntl;
35 u32 mpll_ad_func_cntl_2;
36 u32 mpll_dq_func_cntl;
37 u32 mpll_dq_func_cntl_2;
38 u32 mclk_pwrmgt_cntl;
39 u32 dll_cntl;
40 u32 mpll_ss1;
41 u32 mpll_ss2;
42};
43
44struct rv730_clock_registers {
45 u32 cg_spll_func_cntl;
46 u32 cg_spll_func_cntl_2;
47 u32 cg_spll_func_cntl_3;
48 u32 cg_spll_spread_spectrum;
49 u32 cg_spll_spread_spectrum_2;
50 u32 mclk_pwrmgt_cntl;
51 u32 dll_cntl;
52 u32 mpll_func_cntl;
53 u32 mpll_func_cntl2;
54 u32 mpll_func_cntl3;
55 u32 mpll_ss;
56 u32 mpll_ss2;
57};
58
59union r7xx_clock_registers {
60 struct rv770_clock_registers rv770;
61 struct rv730_clock_registers rv730;
62};
63
64struct vddc_table_entry {
65 u16 vddc;
66 u8 vddc_index;
67 u8 high_smio;
68 u32 low_smio;
69};
70
71#define MAX_NO_OF_MVDD_VALUES 2
72#define MAX_NO_VREG_STEPS 32
73
74struct rv7xx_power_info {
75 /* flags */
76 bool mem_gddr5;
77 bool pcie_gen2;
78 bool dynamic_pcie_gen2;
79 bool acpi_pcie_gen2;
80 bool boot_in_gen2;
81 bool voltage_control; /* vddc */
82 bool mvdd_control;
83 bool sclk_ss;
84 bool mclk_ss;
85 bool dynamic_ss;
86 bool gfx_clock_gating;
87 bool mg_clock_gating;
88 bool mgcgtssm;
89 bool power_gating;
90 bool thermal_protection;
91 bool display_gap;
92 bool dcodt;
93 bool ulps;
94 /* registers */
95 union r7xx_clock_registers clk_regs;
96 u32 s0_vid_lower_smio_cntl;
97 /* voltage */
98 u32 vddc_mask_low;
99 u32 mvdd_mask_low;
100 u32 mvdd_split_frequency;
101 u32 mvdd_low_smio[MAX_NO_OF_MVDD_VALUES];
102 u16 max_vddc;
103 u16 max_vddc_in_table;
104 u16 min_vddc_in_table;
105 struct vddc_table_entry vddc_table[MAX_NO_VREG_STEPS];
106 u8 valid_vddc_entries;
107 /* dc odt */
108 u32 mclk_odt_threshold;
109 u8 odt_value_0[2];
110 u8 odt_value_1[2];
111 /* stored values */
112 u32 boot_sclk;
113 u16 acpi_vddc;
114 u32 ref_div;
115 u32 active_auto_throttle_sources;
116 u32 mclk_stutter_mode_threshold;
117 u32 mclk_strobe_mode_threshold;
118 u32 mclk_edc_enable_threshold;
119 u32 bsp;
120 u32 bsu;
121 u32 pbsp;
122 u32 pbsu;
123 u32 dsp;
124 u32 psp;
125 u32 asi;
126 u32 pasi;
127 u32 vrc;
128 u32 restricted_levels;
129 u32 rlp;
130 u32 rmp;
131 u32 lhp;
132 u32 lmp;
133 /* smc offsets */
134 u16 state_table_start;
135 u16 soft_regs_start;
136 u16 sram_end;
137 /* scratch structs */
138 RV770_SMC_STATETABLE smc_statetable;
139};
140
141struct rv7xx_pl {
142 u32 sclk;
143 u32 mclk;
144 u16 vddc;
145 u16 vddci; /* eg+ only */
146 u32 flags;
147 enum radeon_pcie_gen pcie_gen; /* si+ only */
148};
149
150struct rv7xx_ps {
151 struct rv7xx_pl high;
152 struct rv7xx_pl medium;
153 struct rv7xx_pl low;
154 bool dc_compatible;
155};
156
157#define RV770_RLP_DFLT 10
158#define RV770_RMP_DFLT 25
159#define RV770_LHP_DFLT 25
160#define RV770_LMP_DFLT 10
161#define RV770_VRC_DFLT 0x003f
162#define RV770_ASI_DFLT 1000
163#define RV770_HASI_DFLT 200000
164#define RV770_MGCGTTLOCAL0_DFLT 0x00100000
165#define RV7XX_MGCGTTLOCAL0_DFLT 0
166#define RV770_MGCGTTLOCAL1_DFLT 0xFFFF0000
167#define RV770_MGCGCGTSSMCTRL_DFLT 0x55940000
168
169#define MVDD_LOW_INDEX 0
170#define MVDD_HIGH_INDEX 1
171
172#define MVDD_LOW_VALUE 0
173#define MVDD_HIGH_VALUE 0xffff
174
175#define RV770_DEFAULT_VCLK_FREQ 53300 /* 10 khz */
176#define RV770_DEFAULT_DCLK_FREQ 40000 /* 10 khz */
177
178/* rv730/rv710 */
179int rv730_populate_sclk_value(struct radeon_device *rdev,
180 u32 engine_clock,
181 RV770_SMC_SCLK_VALUE *sclk);
182int rv730_populate_mclk_value(struct radeon_device *rdev,
183 u32 engine_clock, u32 memory_clock,
184 LPRV7XX_SMC_MCLK_VALUE mclk);
185void rv730_read_clock_registers(struct radeon_device *rdev);
186int rv730_populate_smc_acpi_state(struct radeon_device *rdev,
187 RV770_SMC_STATETABLE *table);
188int rv730_populate_smc_initial_state(struct radeon_device *rdev,
189 struct radeon_ps *radeon_initial_state,
190 RV770_SMC_STATETABLE *table);
191void rv730_program_memory_timing_parameters(struct radeon_device *rdev,
192 struct radeon_ps *radeon_state);
193void rv730_power_gating_enable(struct radeon_device *rdev,
194 bool enable);
195void rv730_start_dpm(struct radeon_device *rdev);
196void rv730_stop_dpm(struct radeon_device *rdev);
197void rv730_program_dcodt(struct radeon_device *rdev, bool use_dcodt);
198void rv730_get_odt_values(struct radeon_device *rdev);
199
200/* rv740 */
201int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
202 RV770_SMC_SCLK_VALUE *sclk);
203int rv740_populate_mclk_value(struct radeon_device *rdev,
204 u32 engine_clock, u32 memory_clock,
205 RV7XX_SMC_MCLK_VALUE *mclk);
206void rv740_read_clock_registers(struct radeon_device *rdev);
207int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
208 RV770_SMC_STATETABLE *table);
209void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
210 bool enable);
211u8 rv740_get_mclk_frequency_ratio(u32 memory_clock);
212u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock);
213u32 rv740_get_decoded_reference_divider(u32 encoded_ref);
214
215/* rv770 */
216u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
217int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
218 RV770_SMC_VOLTAGE_VALUE *voltage);
219int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
220 RV770_SMC_VOLTAGE_VALUE *voltage);
221u8 rv770_get_seq_value(struct radeon_device *rdev,
222 struct rv7xx_pl *pl);
223int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
224 RV770_SMC_VOLTAGE_VALUE *voltage);
225u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
226 u32 engine_clock);
227void rv770_program_response_times(struct radeon_device *rdev);
228int rv770_populate_smc_sp(struct radeon_device *rdev,
229 struct radeon_ps *radeon_state,
230 RV770_SMC_SWSTATE *smc_state);
231int rv770_populate_smc_t(struct radeon_device *rdev,
232 struct radeon_ps *radeon_state,
233 RV770_SMC_SWSTATE *smc_state);
234void rv770_read_voltage_smio_registers(struct radeon_device *rdev);
235void rv770_get_memory_type(struct radeon_device *rdev);
236void r7xx_start_smc(struct radeon_device *rdev);
237u8 rv770_get_memory_module_index(struct radeon_device *rdev);
238void rv770_get_max_vddc(struct radeon_device *rdev);
239void rv770_get_pcie_gen2_status(struct radeon_device *rdev);
240void rv770_enable_acpi_pm(struct radeon_device *rdev);
241void rv770_restore_cgcg(struct radeon_device *rdev);
242bool rv770_dpm_enabled(struct radeon_device *rdev);
243void rv770_enable_voltage_control(struct radeon_device *rdev,
244 bool enable);
245void rv770_enable_backbias(struct radeon_device *rdev,
246 bool enable);
247void rv770_enable_thermal_protection(struct radeon_device *rdev,
248 bool enable);
249void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
250 enum radeon_dpm_auto_throttle_src source,
251 bool enable);
252void rv770_setup_bsp(struct radeon_device *rdev);
253void rv770_program_git(struct radeon_device *rdev);
254void rv770_program_tp(struct radeon_device *rdev);
255void rv770_program_tpp(struct radeon_device *rdev);
256void rv770_program_sstp(struct radeon_device *rdev);
257void rv770_program_engine_speed_parameters(struct radeon_device *rdev);
258void rv770_program_vc(struct radeon_device *rdev);
259void rv770_clear_vc(struct radeon_device *rdev);
260int rv770_upload_firmware(struct radeon_device *rdev);
261void rv770_stop_dpm(struct radeon_device *rdev);
262void r7xx_stop_smc(struct radeon_device *rdev);
263void rv770_reset_smio_status(struct radeon_device *rdev);
264int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
265int rv770_dpm_force_performance_level(struct radeon_device *rdev,
266 enum radeon_dpm_forced_level level);
267int rv770_halt_smc(struct radeon_device *rdev);
268int rv770_resume_smc(struct radeon_device *rdev);
269int rv770_set_sw_state(struct radeon_device *rdev);
270int rv770_set_boot_state(struct radeon_device *rdev);
271int rv7xx_parse_power_table(struct radeon_device *rdev);
272void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
273 struct radeon_ps *new_ps,
274 struct radeon_ps *old_ps);
275void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
276 struct radeon_ps *new_ps,
277 struct radeon_ps *old_ps);
278void rv770_get_engine_memory_ss(struct radeon_device *rdev);
279
280/* smc */
281int rv770_write_smc_soft_register(struct radeon_device *rdev,
282 u16 reg_offset, u32 value);
283
284#endif
285