1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2018
4 * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
5 */
6
7 #include <common.h>
8 #include <dm.h>
9 #include <board.h>
10
11 #include "sandbox.h"
12
13 struct board_sandbox_priv {
14 bool called_detect;
15 int test_i1;
16 int test_i2;
17 };
18
19 char vacation_spots[][64] = {"R'lyeh", "Dreamlands", "Plateau of Leng",
20 "Carcosa", "Yuggoth", "The Nameless City"};
21
board_sandbox_detect(struct udevice * dev)22 int board_sandbox_detect(struct udevice *dev)
23 {
24 struct board_sandbox_priv *priv = dev_get_priv(dev);
25
26 priv->called_detect = true;
27 priv->test_i2 = 100;
28
29 return 0;
30 }
31
board_sandbox_get_bool(struct udevice * dev,int id,bool * val)32 int board_sandbox_get_bool(struct udevice *dev, int id, bool *val)
33 {
34 struct board_sandbox_priv *priv = dev_get_priv(dev);
35
36 switch (id) {
37 case BOOL_CALLED_DETECT:
38 /* Checks if the dectect method has been called */
39 *val = priv->called_detect;
40 return 0;
41 }
42
43 return -ENOENT;
44 }
45
board_sandbox_get_int(struct udevice * dev,int id,int * val)46 int board_sandbox_get_int(struct udevice *dev, int id, int *val)
47 {
48 struct board_sandbox_priv *priv = dev_get_priv(dev);
49
50 switch (id) {
51 case INT_TEST1:
52 *val = priv->test_i1;
53 /* Increments with every call */
54 priv->test_i1++;
55 return 0;
56 case INT_TEST2:
57 *val = priv->test_i2;
58 /* Decrements with every call */
59 priv->test_i2--;
60 return 0;
61 }
62
63 return -ENOENT;
64 }
65
board_sandbox_get_str(struct udevice * dev,int id,size_t size,char * val)66 int board_sandbox_get_str(struct udevice *dev, int id, size_t size, char *val)
67 {
68 struct board_sandbox_priv *priv = dev_get_priv(dev);
69 int i1 = priv->test_i1;
70 int i2 = priv->test_i2;
71 int index = (i1 * i2) % ARRAY_SIZE(vacation_spots);
72
73 switch (id) {
74 case STR_VACATIONSPOT:
75 /* Picks a vacation spot depending on i1 and i2 */
76 snprintf(val, size, vacation_spots[index]);
77 return 0;
78 }
79
80 return -ENOENT;
81 }
82
83 static const struct udevice_id board_sandbox_ids[] = {
84 { .compatible = "sandbox,board_sandbox" },
85 { /* sentinel */ }
86 };
87
88 static const struct board_ops board_sandbox_ops = {
89 .detect = board_sandbox_detect,
90 .get_bool = board_sandbox_get_bool,
91 .get_int = board_sandbox_get_int,
92 .get_str = board_sandbox_get_str,
93 };
94
board_sandbox_probe(struct udevice * dev)95 int board_sandbox_probe(struct udevice *dev)
96 {
97 return 0;
98 }
99
100 U_BOOT_DRIVER(board_sandbox) = {
101 .name = "board_sandbox",
102 .id = UCLASS_BOARD,
103 .of_match = board_sandbox_ids,
104 .ops = &board_sandbox_ops,
105 .priv_auto_alloc_size = sizeof(struct board_sandbox_priv),
106 .probe = board_sandbox_probe,
107 };
108