1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Xilinx Zynq MPSoC Firmware driver
4  *
5  * Copyright (C) 2018-2019 Xilinx, Inc.
6  */
7 
8 #ifndef _ZYNQMP_FIRMWARE_H_
9 #define _ZYNQMP_FIRMWARE_H_
10 
11 enum pm_api_id {
12 	PM_GET_API_VERSION = 1,
13 	PM_SET_CONFIGURATION,
14 	PM_GET_NODE_STATUS,
15 	PM_GET_OPERATING_CHARACTERISTIC,
16 	PM_REGISTER_NOTIFIER,
17 	PM_REQUEST_SUSPEND,
18 	PM_SELF_SUSPEND,
19 	PM_FORCE_POWERDOWN,
20 	PM_ABORT_SUSPEND,
21 	PM_REQUEST_WAKEUP,
22 	PM_SET_WAKEUP_SOURCE,
23 	PM_SYSTEM_SHUTDOWN,
24 	PM_REQUEST_NODE,
25 	PM_RELEASE_NODE,
26 	PM_SET_REQUIREMENT,
27 	PM_SET_MAX_LATENCY,
28 	PM_RESET_ASSERT,
29 	PM_RESET_GET_STATUS,
30 	PM_MMIO_WRITE,
31 	PM_MMIO_READ,
32 	PM_PM_INIT_FINALIZE,
33 	PM_FPGA_LOAD,
34 	PM_FPGA_GET_STATUS,
35 	PM_GET_CHIPID,
36 	PM_SECURE_SHA = 26,
37 	PM_SECURE_RSA,
38 	PM_PINCTRL_REQUEST,
39 	PM_PINCTRL_RELEASE,
40 	PM_PINCTRL_GET_FUNCTION,
41 	PM_PINCTRL_SET_FUNCTION,
42 	PM_PINCTRL_CONFIG_PARAM_GET,
43 	PM_PINCTRL_CONFIG_PARAM_SET,
44 	PM_IOCTL,
45 	PM_QUERY_DATA,
46 	PM_CLOCK_ENABLE,
47 	PM_CLOCK_DISABLE,
48 	PM_CLOCK_GETSTATE,
49 	PM_CLOCK_SETDIVIDER,
50 	PM_CLOCK_GETDIVIDER,
51 	PM_CLOCK_SETRATE,
52 	PM_CLOCK_GETRATE,
53 	PM_CLOCK_SETPARENT,
54 	PM_CLOCK_GETPARENT,
55 	PM_SECURE_IMAGE,
56 	PM_FPGA_READ = 46,
57 	PM_SECURE_AES,
58 	PM_CLOCK_PLL_GETPARAM = 49,
59 	PM_REGISTER_ACCESS = 52,
60 	PM_EFUSE_ACCESS,
61 	PM_FEATURE_CHECK = 63,
62 	PM_API_MAX,
63 };
64 
65 enum pm_query_id {
66 	PM_QID_INVALID = 0,
67 	PM_QID_CLOCK_GET_NAME = 1,
68 	PM_QID_CLOCK_GET_TOPOLOGY = 2,
69 	PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS = 3,
70 	PM_QID_CLOCK_GET_PARENTS = 4,
71 	PM_QID_CLOCK_GET_ATTRIBUTES = 5,
72 	PM_QID_PINCTRL_GET_NUM_PINS = 6,
73 	PM_QID_PINCTRL_GET_NUM_FUNCTIONS = 7,
74 	PM_QID_PINCTRL_GET_NUM_FUNCTION_GROUPS = 8,
75 	PM_QID_PINCTRL_GET_FUNCTION_NAME = 9,
76 	PM_QID_PINCTRL_GET_FUNCTION_GROUPS = 10,
77 	PM_QID_PINCTRL_GET_PIN_GROUPS = 11,
78 	PM_QID_CLOCK_GET_NUM_CLOCKS = 12,
79 	PM_QID_CLOCK_GET_MAX_DIVISOR = 13,
80 };
81 
82 #define PM_SIP_SVC      0xc2000000
83 
84 #define ZYNQMP_PM_VERSION_MAJOR         1
85 #define ZYNQMP_PM_VERSION_MINOR         0
86 #define ZYNQMP_PM_VERSION_MAJOR_SHIFT   16
87 #define ZYNQMP_PM_VERSION_MINOR_MASK    0xFFFF
88 
89 #define ZYNQMP_PM_VERSION       \
90 	((ZYNQMP_PM_VERSION_MAJOR << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | \
91 	 ZYNQMP_PM_VERSION_MINOR)
92 
93 #define ZYNQMP_PM_VERSION_INVALID       ~0
94 
95 #define PMUFW_V1_0      ((1 << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | 0)
96 
97 /*
98  * Return payload size
99  * Not every firmware call expects the same amount of return bytes, however the
100  * firmware driver always copies 5 bytes from RX buffer to the ret_payload
101  * buffer. Therefore allocating with this defined value is recommended to avoid
102  * overflows.
103  */
104 #define PAYLOAD_ARG_CNT	5U
105 
106 unsigned int zynqmp_firmware_version(void);
107 void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size);
108 int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2,
109 		      u32 arg3, u32 *ret_payload);
110 
111 #endif /* _ZYNQMP_FIRMWARE_H_ */
112