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authorAlex Deucher <alexander.deucher@amd.com>2013-06-26 00:11:19 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:14:59 -0400
commit66229b200598a3b66b839d1759ff3f5b17ac5639 (patch)
tree5bfb3d7ba630171afe67c9aeae007a1db03d22d3 /drivers/gpu/drm/radeon/rv770_dpm.h
parent4a6369e9935e392402d4ccb67f5cddac953e8d3c (diff)
drm/radeon/kms: add dpm support for rv7xx (v4)
This adds dpm support for rv7xx asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching Set radeon.dpm=1 to enable. v2: reduce stack usage v3: fix 64 bit div v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.h')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.h273
1 files changed, 273 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
new file mode 100644
index 000000000000..0f33f9bb244f
--- /dev/null
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -0,0 +1,273 @@
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 /* smc offsets */
130 u16 state_table_start;
131 u16 soft_regs_start;
132 u16 sram_end;
133 /* scratch structs */
134 RV770_SMC_STATETABLE smc_statetable;
135};
136
137struct rv7xx_pl {
138 u32 sclk;
139 u32 mclk;
140 u16 vddc;
141 u16 vddci; /* eg+ only */
142 u32 flags;
143};
144
145struct rv7xx_ps {
146 struct rv7xx_pl high;
147 struct rv7xx_pl medium;
148 struct rv7xx_pl low;
149 bool dc_compatible;
150};
151
152#define RV770_RLP_DFLT 10
153#define RV770_RMP_DFLT 25
154#define RV770_LHP_DFLT 25
155#define RV770_LMP_DFLT 10
156#define RV770_VRC_DFLT 0x003f
157#define RV770_ASI_DFLT 1000
158#define RV770_HASI_DFLT 200000
159#define RV770_MGCGTTLOCAL0_DFLT 0x00100000
160#define RV7XX_MGCGTTLOCAL0_DFLT 0
161#define RV770_MGCGTTLOCAL1_DFLT 0xFFFF0000
162#define RV770_MGCGCGTSSMCTRL_DFLT 0x55940000
163
164#define MVDD_LOW_INDEX 0
165#define MVDD_HIGH_INDEX 1
166
167#define MVDD_LOW_VALUE 0
168#define MVDD_HIGH_VALUE 0xffff
169
170#define RV770_DEFAULT_VCLK_FREQ 53300 /* 10 khz */
171#define RV770_DEFAULT_DCLK_FREQ 40000 /* 10 khz */
172
173/* rv730/rv710 */
174int rv730_populate_sclk_value(struct radeon_device *rdev,
175 u32 engine_clock,
176 RV770_SMC_SCLK_VALUE *sclk);
177int rv730_populate_mclk_value(struct radeon_device *rdev,
178 u32 engine_clock, u32 memory_clock,
179 LPRV7XX_SMC_MCLK_VALUE mclk);
180void rv730_read_clock_registers(struct radeon_device *rdev);
181int rv730_populate_smc_acpi_state(struct radeon_device *rdev,
182 RV770_SMC_STATETABLE *table);
183int rv730_populate_smc_initial_state(struct radeon_device *rdev,
184 struct radeon_ps *radeon_initial_state,
185 RV770_SMC_STATETABLE *table);
186void rv730_program_memory_timing_parameters(struct radeon_device *rdev,
187 struct radeon_ps *radeon_state);
188void rv730_power_gating_enable(struct radeon_device *rdev,
189 bool enable);
190void rv730_start_dpm(struct radeon_device *rdev);
191void rv730_stop_dpm(struct radeon_device *rdev);
192void rv730_program_dcodt(struct radeon_device *rdev, bool use_dcodt);
193void rv730_get_odt_values(struct radeon_device *rdev);
194
195/* rv740 */
196int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
197 RV770_SMC_SCLK_VALUE *sclk);
198int rv740_populate_mclk_value(struct radeon_device *rdev,
199 u32 engine_clock, u32 memory_clock,
200 RV7XX_SMC_MCLK_VALUE *mclk);
201void rv740_read_clock_registers(struct radeon_device *rdev);
202int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
203 RV770_SMC_STATETABLE *table);
204void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
205 bool enable);
206u8 rv740_get_mclk_frequency_ratio(u32 memory_clock);
207u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock);
208u32 rv740_get_decoded_reference_divider(u32 encoded_ref);
209
210/* rv770 */
211u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
212int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
213 RV770_SMC_VOLTAGE_VALUE *voltage);
214int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
215 RV770_SMC_VOLTAGE_VALUE *voltage);
216u8 rv770_get_seq_value(struct radeon_device *rdev,
217 struct rv7xx_pl *pl);
218int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
219 RV770_SMC_VOLTAGE_VALUE *voltage);
220u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
221 u32 engine_clock);
222void rv770_program_response_times(struct radeon_device *rdev);
223int rv770_populate_smc_sp(struct radeon_device *rdev,
224 struct radeon_ps *radeon_state,
225 RV770_SMC_SWSTATE *smc_state);
226int rv770_populate_smc_t(struct radeon_device *rdev,
227 struct radeon_ps *radeon_state,
228 RV770_SMC_SWSTATE *smc_state);
229void rv770_read_voltage_smio_registers(struct radeon_device *rdev);
230void rv770_get_memory_type(struct radeon_device *rdev);
231void r7xx_start_smc(struct radeon_device *rdev);
232u8 rv770_get_memory_module_index(struct radeon_device *rdev);
233void rv770_get_max_vddc(struct radeon_device *rdev);
234void rv770_get_pcie_gen2_status(struct radeon_device *rdev);
235void rv770_enable_acpi_pm(struct radeon_device *rdev);
236void rv770_restore_cgcg(struct radeon_device *rdev);
237bool rv770_dpm_enabled(struct radeon_device *rdev);
238void rv770_enable_voltage_control(struct radeon_device *rdev,
239 bool enable);
240void rv770_enable_backbias(struct radeon_device *rdev,
241 bool enable);
242void rv770_enable_thermal_protection(struct radeon_device *rdev,
243 bool enable);
244void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
245 enum radeon_dpm_auto_throttle_src source,
246 bool enable);
247void rv770_setup_bsp(struct radeon_device *rdev);
248void rv770_program_git(struct radeon_device *rdev);
249void rv770_program_tp(struct radeon_device *rdev);
250void rv770_program_tpp(struct radeon_device *rdev);
251void rv770_program_sstp(struct radeon_device *rdev);
252void rv770_program_engine_speed_parameters(struct radeon_device *rdev);
253void rv770_program_vc(struct radeon_device *rdev);
254void rv770_clear_vc(struct radeon_device *rdev);
255int rv770_upload_firmware(struct radeon_device *rdev);
256void rv770_stop_dpm(struct radeon_device *rdev);
257void r7xx_stop_smc(struct radeon_device *rdev);
258void rv770_reset_smio_status(struct radeon_device *rdev);
259int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
260int rv770_unrestrict_performance_levels_after_switch(struct radeon_device *rdev);
261int rv770_halt_smc(struct radeon_device *rdev);
262int rv770_resume_smc(struct radeon_device *rdev);
263int rv770_set_sw_state(struct radeon_device *rdev);
264int rv770_set_boot_state(struct radeon_device *rdev);
265int rv7xx_parse_power_table(struct radeon_device *rdev);
266
267/* smc */
268int rv770_read_smc_soft_register(struct radeon_device *rdev,
269 u16 reg_offset, u32 *value);
270int rv770_write_smc_soft_register(struct radeon_device *rdev,
271 u16 reg_offset, u32 value);
272
273#endif