xref: /openbsd-src/sys/dev/pci/drm/radeon/cypress_dpm.h (revision 7ccd5a2c19d4480fd59ed7bbf02608c8980a7858)
1*7ccd5a2cSjsg /*
2*7ccd5a2cSjsg  * Copyright 2011 Advanced Micro Devices, Inc.
3*7ccd5a2cSjsg  *
4*7ccd5a2cSjsg  * Permission is hereby granted, free of charge, to any person obtaining a
5*7ccd5a2cSjsg  * copy of this software and associated documentation files (the "Software"),
6*7ccd5a2cSjsg  * to deal in the Software without restriction, including without limitation
7*7ccd5a2cSjsg  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*7ccd5a2cSjsg  * and/or sell copies of the Software, and to permit persons to whom the
9*7ccd5a2cSjsg  * Software is furnished to do so, subject to the following conditions:
10*7ccd5a2cSjsg  *
11*7ccd5a2cSjsg  * The above copyright notice and this permission notice shall be included in
12*7ccd5a2cSjsg  * all copies or substantial portions of the Software.
13*7ccd5a2cSjsg  *
14*7ccd5a2cSjsg  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*7ccd5a2cSjsg  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*7ccd5a2cSjsg  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*7ccd5a2cSjsg  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*7ccd5a2cSjsg  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*7ccd5a2cSjsg  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*7ccd5a2cSjsg  * OTHER DEALINGS IN THE SOFTWARE.
21*7ccd5a2cSjsg  *
22*7ccd5a2cSjsg  */
23*7ccd5a2cSjsg #ifndef __CYPRESS_DPM_H__
24*7ccd5a2cSjsg #define __CYPRESS_DPM_H__
25*7ccd5a2cSjsg 
26*7ccd5a2cSjsg #include "rv770_dpm.h"
27*7ccd5a2cSjsg #include "evergreen_smc.h"
28*7ccd5a2cSjsg 
29*7ccd5a2cSjsg struct evergreen_mc_reg_entry {
30*7ccd5a2cSjsg 	u32 mclk_max;
31*7ccd5a2cSjsg 	u32 mc_data[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
32*7ccd5a2cSjsg };
33*7ccd5a2cSjsg 
34*7ccd5a2cSjsg struct evergreen_mc_reg_table {
35*7ccd5a2cSjsg 	u8 last;
36*7ccd5a2cSjsg 	u8 num_entries;
37*7ccd5a2cSjsg 	u16 valid_flag;
38*7ccd5a2cSjsg 	struct evergreen_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
39*7ccd5a2cSjsg 	SMC_Evergreen_MCRegisterAddress mc_reg_address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
40*7ccd5a2cSjsg };
41*7ccd5a2cSjsg 
42*7ccd5a2cSjsg struct evergreen_ulv_param {
43*7ccd5a2cSjsg 	bool supported;
44*7ccd5a2cSjsg 	struct rv7xx_pl *pl;
45*7ccd5a2cSjsg };
46*7ccd5a2cSjsg 
47*7ccd5a2cSjsg struct evergreen_arb_registers {
48*7ccd5a2cSjsg 	u32 mc_arb_dram_timing;
49*7ccd5a2cSjsg 	u32 mc_arb_dram_timing2;
50*7ccd5a2cSjsg 	u32 mc_arb_rfsh_rate;
51*7ccd5a2cSjsg 	u32 mc_arb_burst_time;
52*7ccd5a2cSjsg };
53*7ccd5a2cSjsg 
54*7ccd5a2cSjsg struct at {
55*7ccd5a2cSjsg 	u32 rlp;
56*7ccd5a2cSjsg 	u32 rmp;
57*7ccd5a2cSjsg 	u32 lhp;
58*7ccd5a2cSjsg 	u32 lmp;
59*7ccd5a2cSjsg };
60*7ccd5a2cSjsg 
61*7ccd5a2cSjsg struct evergreen_power_info {
62*7ccd5a2cSjsg 	/* must be first! */
63*7ccd5a2cSjsg 	struct rv7xx_power_info rv7xx;
64*7ccd5a2cSjsg 	/* flags */
65*7ccd5a2cSjsg 	bool vddci_control;
66*7ccd5a2cSjsg 	bool dynamic_ac_timing;
67*7ccd5a2cSjsg 	bool abm;
68*7ccd5a2cSjsg 	bool mcls;
69*7ccd5a2cSjsg 	bool light_sleep;
70*7ccd5a2cSjsg 	bool memory_transition;
71*7ccd5a2cSjsg 	bool pcie_performance_request;
72*7ccd5a2cSjsg 	bool pcie_performance_request_registered;
73*7ccd5a2cSjsg 	bool sclk_deep_sleep;
74*7ccd5a2cSjsg 	bool dll_default_on;
75*7ccd5a2cSjsg 	bool ls_clock_gating;
76*7ccd5a2cSjsg 	bool smu_uvd_hs;
77*7ccd5a2cSjsg 	bool uvd_enabled;
78*7ccd5a2cSjsg 	/* stored values */
79*7ccd5a2cSjsg 	u16 acpi_vddci;
80*7ccd5a2cSjsg 	u8 mvdd_high_index;
81*7ccd5a2cSjsg 	u8 mvdd_low_index;
82*7ccd5a2cSjsg 	u32 mclk_edc_wr_enable_threshold;
83*7ccd5a2cSjsg 	struct evergreen_mc_reg_table mc_reg_table;
84*7ccd5a2cSjsg 	struct atom_voltage_table vddc_voltage_table;
85*7ccd5a2cSjsg 	struct atom_voltage_table vddci_voltage_table;
86*7ccd5a2cSjsg 	struct evergreen_arb_registers bootup_arb_registers;
87*7ccd5a2cSjsg 	struct evergreen_ulv_param ulv;
88*7ccd5a2cSjsg 	struct at ats[2];
89*7ccd5a2cSjsg 	/* smc offsets */
90*7ccd5a2cSjsg 	u16 mc_reg_table_start;
91*7ccd5a2cSjsg 	struct radeon_ps current_rps;
92*7ccd5a2cSjsg 	struct rv7xx_ps current_ps;
93*7ccd5a2cSjsg 	struct radeon_ps requested_rps;
94*7ccd5a2cSjsg 	struct rv7xx_ps requested_ps;
95*7ccd5a2cSjsg };
96*7ccd5a2cSjsg 
97*7ccd5a2cSjsg #define CYPRESS_HASI_DFLT                               400000
98*7ccd5a2cSjsg #define CYPRESS_MGCGTTLOCAL0_DFLT                       0x00000000
99*7ccd5a2cSjsg #define CYPRESS_MGCGTTLOCAL1_DFLT                       0x00000000
100*7ccd5a2cSjsg #define CYPRESS_MGCGTTLOCAL2_DFLT                       0x00000000
101*7ccd5a2cSjsg #define CYPRESS_MGCGTTLOCAL3_DFLT                       0x00000000
102*7ccd5a2cSjsg #define CYPRESS_MGCGCGTSSMCTRL_DFLT                     0x81944bc0
103*7ccd5a2cSjsg #define REDWOOD_MGCGCGTSSMCTRL_DFLT                     0x6e944040
104*7ccd5a2cSjsg #define CEDAR_MGCGCGTSSMCTRL_DFLT                       0x46944040
105*7ccd5a2cSjsg #define CYPRESS_VRC_DFLT                                0xC00033
106*7ccd5a2cSjsg 
107*7ccd5a2cSjsg #define PCIE_PERF_REQ_REMOVE_REGISTRY   0
108*7ccd5a2cSjsg #define PCIE_PERF_REQ_FORCE_LOWPOWER    1
109*7ccd5a2cSjsg #define PCIE_PERF_REQ_PECI_GEN1         2
110*7ccd5a2cSjsg #define PCIE_PERF_REQ_PECI_GEN2         3
111*7ccd5a2cSjsg #define PCIE_PERF_REQ_PECI_GEN3         4
112*7ccd5a2cSjsg 
113*7ccd5a2cSjsg int cypress_convert_power_level_to_smc(struct radeon_device *rdev,
114*7ccd5a2cSjsg 				       struct rv7xx_pl *pl,
115*7ccd5a2cSjsg 				       RV770_SMC_HW_PERFORMANCE_LEVEL *level,
116*7ccd5a2cSjsg 				       u8 watermark_level);
117*7ccd5a2cSjsg int cypress_populate_smc_acpi_state(struct radeon_device *rdev,
118*7ccd5a2cSjsg 				    RV770_SMC_STATETABLE *table);
119*7ccd5a2cSjsg int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
120*7ccd5a2cSjsg 					RV770_SMC_STATETABLE *table);
121*7ccd5a2cSjsg int cypress_populate_smc_initial_state(struct radeon_device *rdev,
122*7ccd5a2cSjsg 				       struct radeon_ps *radeon_initial_state,
123*7ccd5a2cSjsg 				       RV770_SMC_STATETABLE *table);
124*7ccd5a2cSjsg u32 cypress_calculate_burst_time(struct radeon_device *rdev,
125*7ccd5a2cSjsg 				 u32 engine_clock, u32 memory_clock);
126*7ccd5a2cSjsg void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev,
127*7ccd5a2cSjsg 							  struct radeon_ps *radeon_new_state,
128*7ccd5a2cSjsg 							  struct radeon_ps *radeon_current_state);
129*7ccd5a2cSjsg int cypress_upload_sw_state(struct radeon_device *rdev,
130*7ccd5a2cSjsg 			    struct radeon_ps *radeon_new_state);
131*7ccd5a2cSjsg int cypress_upload_mc_reg_table(struct radeon_device *rdev,
132*7ccd5a2cSjsg 				struct radeon_ps *radeon_new_state);
133*7ccd5a2cSjsg void cypress_program_memory_timing_parameters(struct radeon_device *rdev,
134*7ccd5a2cSjsg 					      struct radeon_ps *radeon_new_state);
135*7ccd5a2cSjsg void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev,
136*7ccd5a2cSjsg 							 struct radeon_ps *radeon_new_state,
137*7ccd5a2cSjsg 							 struct radeon_ps *radeon_current_state);
138*7ccd5a2cSjsg int cypress_construct_voltage_tables(struct radeon_device *rdev);
139*7ccd5a2cSjsg int cypress_get_mvdd_configuration(struct radeon_device *rdev);
140*7ccd5a2cSjsg void cypress_enable_spread_spectrum(struct radeon_device *rdev,
141*7ccd5a2cSjsg 				    bool enable);
142*7ccd5a2cSjsg void cypress_enable_display_gap(struct radeon_device *rdev);
143*7ccd5a2cSjsg int cypress_get_table_locations(struct radeon_device *rdev);
144*7ccd5a2cSjsg int cypress_populate_mc_reg_table(struct radeon_device *rdev,
145*7ccd5a2cSjsg 				  struct radeon_ps *radeon_boot_state);
146*7ccd5a2cSjsg void cypress_program_response_times(struct radeon_device *rdev);
147*7ccd5a2cSjsg int cypress_notify_smc_display_change(struct radeon_device *rdev,
148*7ccd5a2cSjsg 				      bool has_display);
149*7ccd5a2cSjsg void cypress_enable_sclk_control(struct radeon_device *rdev,
150*7ccd5a2cSjsg 				 bool enable);
151*7ccd5a2cSjsg void cypress_enable_mclk_control(struct radeon_device *rdev,
152*7ccd5a2cSjsg 				 bool enable);
153*7ccd5a2cSjsg void cypress_start_dpm(struct radeon_device *rdev);
154*7ccd5a2cSjsg void cypress_advertise_gen2_capability(struct radeon_device *rdev);
155*7ccd5a2cSjsg u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
156*7ccd5a2cSjsg u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev,
157*7ccd5a2cSjsg 				    u32 memory_clock, bool strobe_mode);
158*7ccd5a2cSjsg u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk);
159*7ccd5a2cSjsg 
160*7ccd5a2cSjsg #endif
161