xref: /openbmc/linux/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h (revision cd99b9eb)
1 /*
2  * Copyright 2020 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 __SMU_CMN_H__
24 #define __SMU_CMN_H__
25 
26 #include "amdgpu_smu.h"
27 
28 #if defined(SWSMU_CODE_LAYER_L2) || defined(SWSMU_CODE_LAYER_L3) || defined(SWSMU_CODE_LAYER_L4)
29 
30 #define FDO_PWM_MODE_STATIC  1
31 #define FDO_PWM_MODE_STATIC_RPM 5
32 
33 extern const int link_speed[];
34 
35 /* Helper to Convert from PCIE Gen 1/2/3/4/5/6 to 0.1 GT/s speed units */
36 static inline int pcie_gen_to_speed(uint32_t gen)
37 {
38 	return ((gen == 0) ? link_speed[0] : link_speed[gen - 1]);
39 }
40 
41 int smu_cmn_send_msg_without_waiting(struct smu_context *smu,
42 				     uint16_t msg_index,
43 				     uint32_t param);
44 int smu_cmn_send_smc_msg_with_param(struct smu_context *smu,
45 				    enum smu_message_type msg,
46 				    uint32_t param,
47 				    uint32_t *read_arg);
48 
49 int smu_cmn_send_smc_msg(struct smu_context *smu,
50 			 enum smu_message_type msg,
51 			 uint32_t *read_arg);
52 
53 int smu_cmn_send_debug_smc_msg(struct smu_context *smu,
54 			 uint32_t msg);
55 
56 int smu_cmn_send_debug_smc_msg_with_param(struct smu_context *smu,
57 			 uint32_t msg, uint32_t param);
58 
59 int smu_cmn_wait_for_response(struct smu_context *smu);
60 
61 int smu_cmn_to_asic_specific_index(struct smu_context *smu,
62 				   enum smu_cmn2asic_mapping_type type,
63 				   uint32_t index);
64 
65 int smu_cmn_feature_is_supported(struct smu_context *smu,
66 				 enum smu_feature_mask mask);
67 
68 int smu_cmn_feature_is_enabled(struct smu_context *smu,
69 			       enum smu_feature_mask mask);
70 
71 bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu,
72 				enum smu_clk_type clk_type);
73 
74 int smu_cmn_get_enabled_mask(struct smu_context *smu,
75 			     uint64_t *feature_mask);
76 
77 uint64_t smu_cmn_get_indep_throttler_status(
78 					const unsigned long dep_status,
79 					const uint8_t *throttler_map);
80 
81 int smu_cmn_feature_update_enable_state(struct smu_context *smu,
82 					uint64_t feature_mask,
83 					bool enabled);
84 
85 int smu_cmn_feature_set_enabled(struct smu_context *smu,
86 				enum smu_feature_mask mask,
87 				bool enable);
88 
89 size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu,
90 				   char *buf);
91 
92 int smu_cmn_set_pp_feature_mask(struct smu_context *smu,
93 				uint64_t new_mask);
94 
95 int smu_cmn_disable_all_features_with_exception(struct smu_context *smu,
96 						enum smu_feature_mask mask);
97 
98 int smu_cmn_get_smc_version(struct smu_context *smu,
99 			    uint32_t *if_version,
100 			    uint32_t *smu_version);
101 
102 int smu_cmn_update_table(struct smu_context *smu,
103 			 enum smu_table_id table_index,
104 			 int argument,
105 			 void *table_data,
106 			 bool drv2smu);
107 
108 int smu_cmn_write_watermarks_table(struct smu_context *smu);
109 
110 int smu_cmn_write_pptable(struct smu_context *smu);
111 
112 int smu_cmn_get_metrics_table(struct smu_context *smu,
113 			      void *metrics_table,
114 			      bool bypass_cache);
115 
116 int smu_cmn_get_combo_pptable(struct smu_context *smu);
117 
118 void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev);
119 
120 int smu_cmn_set_mp1_state(struct smu_context *smu,
121 			  enum pp_mp1_state mp1_state);
122 
123 /*
124  * Helper function to make sysfs_emit_at() happy. Align buf to
125  * the current page boundary and record the offset.
126  */
127 static inline void smu_cmn_get_sysfs_buf(char **buf, int *offset)
128 {
129 	if (!*buf || !offset)
130 		return;
131 
132 	*offset = offset_in_page(*buf);
133 	*buf -= *offset;
134 }
135 
136 bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev);
137 
138 #endif
139 #endif
140