xref: /linux/drivers/gpu/drm/radeon/rv770_smc.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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_SMC_H__
24 #define __RV770_SMC_H__
25 
26 #include "ppsmc.h"
27 
28 #pragma pack(push, 1)
29 
30 #define RV770_SMC_TABLE_ADDRESS 0xB000
31 
32 #define RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE    3
33 
34 struct RV770_SMC_SCLK_VALUE {
35     uint32_t        vCG_SPLL_FUNC_CNTL;
36     uint32_t        vCG_SPLL_FUNC_CNTL_2;
37     uint32_t        vCG_SPLL_FUNC_CNTL_3;
38     uint32_t        vCG_SPLL_SPREAD_SPECTRUM;
39     uint32_t        vCG_SPLL_SPREAD_SPECTRUM_2;
40     uint32_t        sclk_value;
41 };
42 
43 typedef struct RV770_SMC_SCLK_VALUE RV770_SMC_SCLK_VALUE;
44 
45 struct RV770_SMC_MCLK_VALUE {
46     uint32_t        vMPLL_AD_FUNC_CNTL;
47     uint32_t        vMPLL_AD_FUNC_CNTL_2;
48     uint32_t        vMPLL_DQ_FUNC_CNTL;
49     uint32_t        vMPLL_DQ_FUNC_CNTL_2;
50     uint32_t        vMCLK_PWRMGT_CNTL;
51     uint32_t        vDLL_CNTL;
52     uint32_t        vMPLL_SS;
53     uint32_t        vMPLL_SS2;
54     uint32_t        mclk_value;
55 };
56 
57 typedef struct RV770_SMC_MCLK_VALUE RV770_SMC_MCLK_VALUE;
58 
59 
60 struct RV730_SMC_MCLK_VALUE {
61     uint32_t        vMCLK_PWRMGT_CNTL;
62     uint32_t        vDLL_CNTL;
63     uint32_t        vMPLL_FUNC_CNTL;
64     uint32_t        vMPLL_FUNC_CNTL2;
65     uint32_t        vMPLL_FUNC_CNTL3;
66     uint32_t        vMPLL_SS;
67     uint32_t        vMPLL_SS2;
68     uint32_t        mclk_value;
69 };
70 
71 typedef struct RV730_SMC_MCLK_VALUE RV730_SMC_MCLK_VALUE;
72 
73 struct RV770_SMC_VOLTAGE_VALUE {
74     uint16_t             value;
75     uint8_t              index;
76     uint8_t              padding;
77 };
78 
79 typedef struct RV770_SMC_VOLTAGE_VALUE RV770_SMC_VOLTAGE_VALUE;
80 
81 union RV7XX_SMC_MCLK_VALUE {
82     RV770_SMC_MCLK_VALUE    mclk770;
83     RV730_SMC_MCLK_VALUE    mclk730;
84 };
85 
86 typedef union RV7XX_SMC_MCLK_VALUE RV7XX_SMC_MCLK_VALUE, *LPRV7XX_SMC_MCLK_VALUE;
87 
88 struct RV770_SMC_HW_PERFORMANCE_LEVEL {
89     uint8_t                 arbValue;
90     union{
91         uint8_t             seqValue;
92         uint8_t             ACIndex;
93     };
94     uint8_t                 displayWatermark;
95     uint8_t                 gen2PCIE;
96     uint8_t                 gen2XSP;
97     uint8_t                 backbias;
98     uint8_t                 strobeMode;
99     uint8_t                 mcFlags;
100     uint32_t                aT;
101     uint32_t                bSP;
102     RV770_SMC_SCLK_VALUE    sclk;
103     RV7XX_SMC_MCLK_VALUE    mclk;
104     RV770_SMC_VOLTAGE_VALUE vddc;
105     RV770_SMC_VOLTAGE_VALUE mvdd;
106     RV770_SMC_VOLTAGE_VALUE vddci;
107     uint8_t                 reserved1;
108     uint8_t                 reserved2;
109     uint8_t                 stateFlags;
110     uint8_t                 padding;
111 };
112 
113 #define SMC_STROBE_RATIO    0x0F
114 #define SMC_STROBE_ENABLE   0x10
115 
116 #define SMC_MC_EDC_RD_FLAG  0x01
117 #define SMC_MC_EDC_WR_FLAG  0x02
118 #define SMC_MC_RTT_ENABLE   0x04
119 #define SMC_MC_STUTTER_EN   0x08
120 
121 typedef struct RV770_SMC_HW_PERFORMANCE_LEVEL RV770_SMC_HW_PERFORMANCE_LEVEL;
122 
123 struct RV770_SMC_SWSTATE {
124     uint8_t           flags;
125     uint8_t           padding1;
126     uint8_t           padding2;
127     uint8_t           padding3;
128     RV770_SMC_HW_PERFORMANCE_LEVEL levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
129 };
130 
131 typedef struct RV770_SMC_SWSTATE RV770_SMC_SWSTATE;
132 
133 #define RV770_SMC_VOLTAGEMASK_VDDC 0
134 #define RV770_SMC_VOLTAGEMASK_MVDD 1
135 #define RV770_SMC_VOLTAGEMASK_VDDCI 2
136 #define RV770_SMC_VOLTAGEMASK_MAX  4
137 
138 struct RV770_SMC_VOLTAGEMASKTABLE {
139     uint8_t  highMask[RV770_SMC_VOLTAGEMASK_MAX];
140     uint32_t lowMask[RV770_SMC_VOLTAGEMASK_MAX];
141 };
142 
143 typedef struct RV770_SMC_VOLTAGEMASKTABLE RV770_SMC_VOLTAGEMASKTABLE;
144 
145 #define MAX_NO_VREG_STEPS 32
146 
147 struct RV770_SMC_STATETABLE {
148     uint8_t             thermalProtectType;
149     uint8_t             systemFlags;
150     uint8_t             maxVDDCIndexInPPTable;
151     uint8_t             extraFlags;
152     uint8_t             highSMIO[MAX_NO_VREG_STEPS];
153     uint32_t            lowSMIO[MAX_NO_VREG_STEPS];
154     RV770_SMC_VOLTAGEMASKTABLE voltageMaskTable;
155     RV770_SMC_SWSTATE   initialState;
156     RV770_SMC_SWSTATE   ACPIState;
157     RV770_SMC_SWSTATE   driverState;
158     RV770_SMC_SWSTATE   ULVState;
159 };
160 
161 typedef struct RV770_SMC_STATETABLE RV770_SMC_STATETABLE;
162 
163 #define PPSMC_STATEFLAG_AUTO_PULSE_SKIP 0x01
164 
165 #pragma pack(pop)
166 
167 #define RV770_SMC_SOFT_REGISTERS_START        0x104
168 
169 #define RV770_SMC_SOFT_REGISTER_mclk_chg_timeout        0x0
170 #define RV770_SMC_SOFT_REGISTER_baby_step_timer         0x8
171 #define RV770_SMC_SOFT_REGISTER_delay_bbias             0xC
172 #define RV770_SMC_SOFT_REGISTER_delay_vreg              0x10
173 #define RV770_SMC_SOFT_REGISTER_delay_acpi              0x2C
174 #define RV770_SMC_SOFT_REGISTER_seq_index               0x64
175 #define RV770_SMC_SOFT_REGISTER_mvdd_chg_time           0x68
176 #define RV770_SMC_SOFT_REGISTER_mclk_switch_lim         0x78
177 #define RV770_SMC_SOFT_REGISTER_mc_block_delay          0x90
178 #define RV770_SMC_SOFT_REGISTER_uvd_enabled             0x9C
179 #define RV770_SMC_SOFT_REGISTER_is_asic_lombok          0xA0
180 
181 int rv770_copy_bytes_to_smc(struct radeon_device *rdev,
182 			    u16 smc_start_address, const u8 *src,
183 			    u16 byte_count, u16 limit);
184 void rv770_start_smc(struct radeon_device *rdev);
185 void rv770_reset_smc(struct radeon_device *rdev);
186 void rv770_stop_smc_clock(struct radeon_device *rdev);
187 void rv770_start_smc_clock(struct radeon_device *rdev);
188 bool rv770_is_smc_running(struct radeon_device *rdev);
189 PPSMC_Result rv770_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
190 PPSMC_Result rv770_wait_for_smc_inactive(struct radeon_device *rdev);
191 int rv770_read_smc_sram_dword(struct radeon_device *rdev,
192 			      u16 smc_address, u32 *value, u16 limit);
193 int rv770_write_smc_sram_dword(struct radeon_device *rdev,
194 			       u16 smc_address, u32 value, u16 limit);
195 int rv770_load_smc_ucode(struct radeon_device *rdev,
196 			 u16 limit);
197 
198 #endif
199