1 /*
2  * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef PM_API_SYS_H
8 #define PM_API_SYS_H
9 
10 #include <stdint.h>
11 
12 #include "pm_defs.h"
13 
14 enum pm_query_id {
15 	PM_QID_INVALID,
16 	PM_QID_CLOCK_GET_NAME,
17 	PM_QID_CLOCK_GET_TOPOLOGY,
18 	PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS,
19 	PM_QID_CLOCK_GET_PARENTS,
20 	PM_QID_CLOCK_GET_ATTRIBUTES,
21 	PM_QID_PINCTRL_GET_NUM_PINS,
22 	PM_QID_PINCTRL_GET_NUM_FUNCTIONS,
23 	PM_QID_PINCTRL_GET_NUM_FUNCTION_GROUPS,
24 	PM_QID_PINCTRL_GET_FUNCTION_NAME,
25 	PM_QID_PINCTRL_GET_FUNCTION_GROUPS,
26 	PM_QID_PINCTRL_GET_PIN_GROUPS,
27 	PM_QID_CLOCK_GET_NUM_CLOCKS,
28 	PM_QID_CLOCK_GET_MAX_DIVISOR,
29 };
30 
31 enum pm_register_access_id {
32 	CONFIG_REG_WRITE,
33 	CONFIG_REG_READ,
34 };
35 
36 /**
37  * Assigning of argument values into array elements.
38  */
39 #define PM_PACK_PAYLOAD1(pl, arg0) {	\
40 	pl[0] = (uint32_t)(arg0);	\
41 }
42 
43 #define PM_PACK_PAYLOAD2(pl, arg0, arg1) {	\
44 	pl[1] = (uint32_t)(arg1);		\
45 	PM_PACK_PAYLOAD1(pl, arg0);		\
46 }
47 
48 #define PM_PACK_PAYLOAD3(pl, arg0, arg1, arg2) {	\
49 	pl[2] = (uint32_t)(arg2);			\
50 	PM_PACK_PAYLOAD2(pl, arg0, arg1);		\
51 }
52 
53 #define PM_PACK_PAYLOAD4(pl, arg0, arg1, arg2, arg3) {	\
54 	pl[3] = (uint32_t)(arg3);			\
55 	PM_PACK_PAYLOAD3(pl, arg0, arg1, arg2);		\
56 }
57 
58 #define PM_PACK_PAYLOAD5(pl, arg0, arg1, arg2, arg3, arg4) {	\
59 	pl[4] = (uint32_t)(arg4);				\
60 	PM_PACK_PAYLOAD4(pl, arg0, arg1, arg2, arg3);		\
61 }
62 
63 #define PM_PACK_PAYLOAD6(pl, arg0, arg1, arg2, arg3, arg4, arg5) {	\
64 	pl[5] = (uint32_t)(arg5);					\
65 	PM_PACK_PAYLOAD5(pl, arg0, arg1, arg2, arg3, arg4);		\
66 }
67 
68 /**********************************************************
69  * System-level API function declarations
70  **********************************************************/
71 enum pm_ret_status pm_req_suspend(enum pm_node_id target,
72 				  enum pm_request_ack ack,
73 				  uint32_t latency,
74 				  uint32_t state);
75 
76 enum pm_ret_status pm_self_suspend(enum pm_node_id nid,
77 				   uint32_t latency,
78 				   uint32_t state,
79 				   uintptr_t address);
80 
81 enum pm_ret_status pm_force_powerdown(enum pm_node_id target,
82 				      enum pm_request_ack ack);
83 
84 enum pm_ret_status pm_abort_suspend(enum pm_abort_reason reason);
85 
86 enum pm_ret_status pm_req_wakeup(enum pm_node_id target,
87 				 uint32_t set_address,
88 				 uintptr_t address,
89 				 enum pm_request_ack ack);
90 
91 enum pm_ret_status pm_set_wakeup_source(enum pm_node_id target,
92 					enum pm_node_id wkup_node,
93 					uint32_t enable);
94 
95 enum pm_ret_status pm_system_shutdown(uint32_t type, uint32_t subtype);
96 
97 /* API functions for managing PM Slaves */
98 enum pm_ret_status pm_req_node(enum pm_node_id nid,
99 			       uint32_t capabilities,
100 			       uint32_t qos,
101 			       enum pm_request_ack ack);
102 
103 enum pm_ret_status pm_set_requirement(enum pm_node_id nid,
104 				      uint32_t capabilities,
105 				      uint32_t qos,
106 				      enum pm_request_ack ack);
107 
108 /* Miscellaneous API functions */
109 enum pm_ret_status pm_get_api_version(uint32_t *version);
110 enum pm_ret_status pm_get_node_status(enum pm_node_id nid,
111 				      uint32_t *ret_buff);
112 
113 /* Direct-Control API functions */
114 enum pm_ret_status pm_mmio_write(uintptr_t address,
115 				 uint32_t mask,
116 				 uint32_t value);
117 enum pm_ret_status pm_mmio_read(uintptr_t address, uint32_t *value);
118 enum pm_ret_status pm_fpga_load(uint32_t address_low,
119 				uint32_t address_high,
120 				uint32_t size,
121 				uint32_t flags);
122 enum pm_ret_status pm_fpga_get_status(uint32_t *value);
123 
124 enum pm_ret_status pm_get_chipid(uint32_t *value);
125 enum pm_ret_status pm_secure_rsaaes(uint32_t address_low,
126 				    uint32_t address_high,
127 				    uint32_t size,
128 				    uint32_t flags);
129 unsigned int pm_get_shutdown_scope(void);
130 void pm_get_callbackdata(uint32_t *data, size_t count);
131 enum pm_ret_status pm_ioctl(enum pm_node_id nid,
132 			    uint32_t ioctl_id,
133 			    uint32_t arg1,
134 			    uint32_t arg2,
135 			    uint32_t *value);
136 enum pm_ret_status pm_clock_enable(uint32_t clock_id);
137 enum pm_ret_status pm_clock_disable(uint32_t clock_id);
138 enum pm_ret_status pm_clock_getstate(uint32_t clock_id,
139 				     uint32_t *state);
140 enum pm_ret_status pm_clock_setdivider(uint32_t clock_id,
141 				       uint32_t divider);
142 enum pm_ret_status pm_clock_getdivider(uint32_t clock_id,
143 				       uint32_t *divider);
144 enum pm_ret_status pm_clock_setrate(uint32_t clock_id,
145 				    uint64_t rate);
146 enum pm_ret_status pm_clock_getrate(uint32_t clock_id,
147 				    uint64_t *rate);
148 enum pm_ret_status pm_clock_setparent(uint32_t clock_id,
149 				      uint32_t parent_index);
150 enum pm_ret_status pm_clock_getparent(uint32_t clock_id,
151 				      uint32_t *parent_index);
152 void pm_query_data(enum pm_query_id qid, uint32_t arg1, uint32_t arg2,
153 		   uint32_t arg3, uint32_t *data);
154 enum pm_ret_status pm_sha_hash(uint32_t address_high,
155 				    uint32_t address_low,
156 				    uint32_t size,
157 				    uint32_t flags);
158 enum pm_ret_status pm_rsa_core(uint32_t address_high,
159 				    uint32_t address_low,
160 				    uint32_t size,
161 				    uint32_t flags);
162 enum pm_ret_status pm_secure_image(uint32_t address_low,
163 				   uint32_t address_high,
164 				   uint32_t key_lo,
165 				   uint32_t key_hi,
166 				   uint32_t *value);
167 enum pm_ret_status pm_fpga_read(uint32_t reg_numframes,
168 				uint32_t address_low,
169 				uint32_t address_high,
170 				uint32_t readback_type,
171 				uint32_t *value);
172 enum pm_ret_status pm_aes_engine(uint32_t address_high,
173 				 uint32_t address_low,
174 				 uint32_t  *value);
175 enum pm_ret_status pm_register_access(uint32_t register_access_id,
176 				      uint32_t address,
177 				      uint32_t mask,
178 				      uint32_t value,
179 				      uint32_t *out);
180 enum pm_ret_status pm_pll_set_parameter(enum pm_node_id nid,
181 					enum pm_pll_param param_id,
182 					uint32_t value);
183 enum pm_ret_status pm_pll_get_parameter(enum pm_node_id nid,
184 					enum pm_pll_param param_id,
185 					uint32_t *value);
186 enum pm_ret_status pm_pll_set_mode(enum pm_node_id nid, enum pm_pll_mode mode);
187 enum pm_ret_status pm_pll_get_mode(enum pm_node_id nid, enum pm_pll_mode *mode);
188 enum pm_ret_status pm_efuse_access(uint32_t address_high,
189 				   uint32_t address_low, uint32_t *value);
190 enum pm_ret_status em_set_action(uint32_t *value);
191 enum pm_ret_status em_remove_action(uint32_t *value);
192 enum pm_ret_status em_send_errors(uint32_t *value);
193 enum pm_ret_status pm_feature_check(uint32_t api_id, uint32_t *version,
194 				    uint32_t *bit_mask, uint8_t len);
195 enum pm_ret_status check_api_dependency(uint8_t id);
196 
197 #endif /* PM_API_SYS_H */
198