xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/radeon/cypress_dpm.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2011 Advanced Micro Devices, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun  * all copies or substantial portions of the Software.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*4882a593Smuzhiyun  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4882a593Smuzhiyun  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4882a593Smuzhiyun  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4882a593Smuzhiyun  * OTHER DEALINGS IN THE SOFTWARE.
21*4882a593Smuzhiyun  *
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun #ifndef __CYPRESS_DPM_H__
24*4882a593Smuzhiyun #define __CYPRESS_DPM_H__
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #include "rv770_dpm.h"
27*4882a593Smuzhiyun #include "evergreen_smc.h"
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun struct evergreen_mc_reg_entry {
30*4882a593Smuzhiyun 	u32 mclk_max;
31*4882a593Smuzhiyun 	u32 mc_data[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun struct evergreen_mc_reg_table {
35*4882a593Smuzhiyun 	u8 last;
36*4882a593Smuzhiyun 	u8 num_entries;
37*4882a593Smuzhiyun 	u16 valid_flag;
38*4882a593Smuzhiyun 	struct evergreen_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
39*4882a593Smuzhiyun 	SMC_Evergreen_MCRegisterAddress mc_reg_address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
40*4882a593Smuzhiyun };
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun struct evergreen_ulv_param {
43*4882a593Smuzhiyun 	bool supported;
44*4882a593Smuzhiyun 	struct rv7xx_pl *pl;
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun struct evergreen_arb_registers {
48*4882a593Smuzhiyun 	u32 mc_arb_dram_timing;
49*4882a593Smuzhiyun 	u32 mc_arb_dram_timing2;
50*4882a593Smuzhiyun 	u32 mc_arb_rfsh_rate;
51*4882a593Smuzhiyun 	u32 mc_arb_burst_time;
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun struct at {
55*4882a593Smuzhiyun 	u32 rlp;
56*4882a593Smuzhiyun 	u32 rmp;
57*4882a593Smuzhiyun 	u32 lhp;
58*4882a593Smuzhiyun 	u32 lmp;
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun struct evergreen_power_info {
62*4882a593Smuzhiyun 	/* must be first! */
63*4882a593Smuzhiyun 	struct rv7xx_power_info rv7xx;
64*4882a593Smuzhiyun 	/* flags */
65*4882a593Smuzhiyun 	bool vddci_control;
66*4882a593Smuzhiyun 	bool dynamic_ac_timing;
67*4882a593Smuzhiyun 	bool abm;
68*4882a593Smuzhiyun 	bool mcls;
69*4882a593Smuzhiyun 	bool light_sleep;
70*4882a593Smuzhiyun 	bool memory_transition;
71*4882a593Smuzhiyun 	bool pcie_performance_request;
72*4882a593Smuzhiyun 	bool pcie_performance_request_registered;
73*4882a593Smuzhiyun 	bool sclk_deep_sleep;
74*4882a593Smuzhiyun 	bool dll_default_on;
75*4882a593Smuzhiyun 	bool ls_clock_gating;
76*4882a593Smuzhiyun 	bool smu_uvd_hs;
77*4882a593Smuzhiyun 	bool uvd_enabled;
78*4882a593Smuzhiyun 	/* stored values */
79*4882a593Smuzhiyun 	u16 acpi_vddci;
80*4882a593Smuzhiyun 	u8 mvdd_high_index;
81*4882a593Smuzhiyun 	u8 mvdd_low_index;
82*4882a593Smuzhiyun 	u32 mclk_edc_wr_enable_threshold;
83*4882a593Smuzhiyun 	struct evergreen_mc_reg_table mc_reg_table;
84*4882a593Smuzhiyun 	struct atom_voltage_table vddc_voltage_table;
85*4882a593Smuzhiyun 	struct atom_voltage_table vddci_voltage_table;
86*4882a593Smuzhiyun 	struct evergreen_arb_registers bootup_arb_registers;
87*4882a593Smuzhiyun 	struct evergreen_ulv_param ulv;
88*4882a593Smuzhiyun 	struct at ats[2];
89*4882a593Smuzhiyun 	/* smc offsets */
90*4882a593Smuzhiyun 	u16 mc_reg_table_start;
91*4882a593Smuzhiyun 	struct radeon_ps current_rps;
92*4882a593Smuzhiyun 	struct rv7xx_ps current_ps;
93*4882a593Smuzhiyun 	struct radeon_ps requested_rps;
94*4882a593Smuzhiyun 	struct rv7xx_ps requested_ps;
95*4882a593Smuzhiyun };
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun #define CYPRESS_HASI_DFLT                               400000
98*4882a593Smuzhiyun #define CYPRESS_MGCGTTLOCAL0_DFLT                       0x00000000
99*4882a593Smuzhiyun #define CYPRESS_MGCGTTLOCAL1_DFLT                       0x00000000
100*4882a593Smuzhiyun #define CYPRESS_MGCGTTLOCAL2_DFLT                       0x00000000
101*4882a593Smuzhiyun #define CYPRESS_MGCGTTLOCAL3_DFLT                       0x00000000
102*4882a593Smuzhiyun #define CYPRESS_MGCGCGTSSMCTRL_DFLT                     0x81944bc0
103*4882a593Smuzhiyun #define REDWOOD_MGCGCGTSSMCTRL_DFLT                     0x6e944040
104*4882a593Smuzhiyun #define CEDAR_MGCGCGTSSMCTRL_DFLT                       0x46944040
105*4882a593Smuzhiyun #define CYPRESS_VRC_DFLT                                0xC00033
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun #define PCIE_PERF_REQ_REMOVE_REGISTRY   0
108*4882a593Smuzhiyun #define PCIE_PERF_REQ_FORCE_LOWPOWER    1
109*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN1         2
110*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN2         3
111*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN3         4
112*4882a593Smuzhiyun 
113*4882a593Smuzhiyun int cypress_convert_power_level_to_smc(struct radeon_device *rdev,
114*4882a593Smuzhiyun 				       struct rv7xx_pl *pl,
115*4882a593Smuzhiyun 				       RV770_SMC_HW_PERFORMANCE_LEVEL *level,
116*4882a593Smuzhiyun 				       u8 watermark_level);
117*4882a593Smuzhiyun int cypress_populate_smc_acpi_state(struct radeon_device *rdev,
118*4882a593Smuzhiyun 				    RV770_SMC_STATETABLE *table);
119*4882a593Smuzhiyun int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
120*4882a593Smuzhiyun 					RV770_SMC_STATETABLE *table);
121*4882a593Smuzhiyun int cypress_populate_smc_initial_state(struct radeon_device *rdev,
122*4882a593Smuzhiyun 				       struct radeon_ps *radeon_initial_state,
123*4882a593Smuzhiyun 				       RV770_SMC_STATETABLE *table);
124*4882a593Smuzhiyun u32 cypress_calculate_burst_time(struct radeon_device *rdev,
125*4882a593Smuzhiyun 				 u32 engine_clock, u32 memory_clock);
126*4882a593Smuzhiyun void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev,
127*4882a593Smuzhiyun 							  struct radeon_ps *radeon_new_state,
128*4882a593Smuzhiyun 							  struct radeon_ps *radeon_current_state);
129*4882a593Smuzhiyun int cypress_upload_sw_state(struct radeon_device *rdev,
130*4882a593Smuzhiyun 			    struct radeon_ps *radeon_new_state);
131*4882a593Smuzhiyun int cypress_upload_mc_reg_table(struct radeon_device *rdev,
132*4882a593Smuzhiyun 				struct radeon_ps *radeon_new_state);
133*4882a593Smuzhiyun void cypress_program_memory_timing_parameters(struct radeon_device *rdev,
134*4882a593Smuzhiyun 					      struct radeon_ps *radeon_new_state);
135*4882a593Smuzhiyun void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev,
136*4882a593Smuzhiyun 							 struct radeon_ps *radeon_new_state,
137*4882a593Smuzhiyun 							 struct radeon_ps *radeon_current_state);
138*4882a593Smuzhiyun int cypress_construct_voltage_tables(struct radeon_device *rdev);
139*4882a593Smuzhiyun int cypress_get_mvdd_configuration(struct radeon_device *rdev);
140*4882a593Smuzhiyun void cypress_enable_spread_spectrum(struct radeon_device *rdev,
141*4882a593Smuzhiyun 				    bool enable);
142*4882a593Smuzhiyun void cypress_enable_display_gap(struct radeon_device *rdev);
143*4882a593Smuzhiyun int cypress_get_table_locations(struct radeon_device *rdev);
144*4882a593Smuzhiyun int cypress_populate_mc_reg_table(struct radeon_device *rdev,
145*4882a593Smuzhiyun 				  struct radeon_ps *radeon_boot_state);
146*4882a593Smuzhiyun void cypress_program_response_times(struct radeon_device *rdev);
147*4882a593Smuzhiyun int cypress_notify_smc_display_change(struct radeon_device *rdev,
148*4882a593Smuzhiyun 				      bool has_display);
149*4882a593Smuzhiyun void cypress_enable_sclk_control(struct radeon_device *rdev,
150*4882a593Smuzhiyun 				 bool enable);
151*4882a593Smuzhiyun void cypress_enable_mclk_control(struct radeon_device *rdev,
152*4882a593Smuzhiyun 				 bool enable);
153*4882a593Smuzhiyun void cypress_start_dpm(struct radeon_device *rdev);
154*4882a593Smuzhiyun void cypress_advertise_gen2_capability(struct radeon_device *rdev);
155*4882a593Smuzhiyun u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
156*4882a593Smuzhiyun u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev,
157*4882a593Smuzhiyun 				    u32 memory_clock, bool strobe_mode);
158*4882a593Smuzhiyun u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk);
159*4882a593Smuzhiyun 
160*4882a593Smuzhiyun #endif
161