1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2013 Google, Inc 4 * 5 * (C) Copyright 2012 6 * Pavel Herrmann <morpheus.ibis@gmail.com> 7 */ 8 9 #include <common.h> 10 #include <dm-demo.h> 11 #include <mapmem.h> 12 #include <asm/io.h> 13 14 struct udevice *demo_dev; 15 16 static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc, 17 char * const argv[]) 18 { 19 int ch = 0; 20 21 if (argc) 22 ch = *argv[0]; 23 24 return demo_hello(demo_dev, ch); 25 } 26 27 static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc, 28 char * const argv[]) 29 { 30 int status; 31 int ret; 32 33 ret = demo_status(demo_dev, &status); 34 if (ret) 35 return ret; 36 37 printf("Status: %d\n", status); 38 39 return 0; 40 } 41 42 static int do_demo_light(cmd_tbl_t *cmdtp, int flag, int argc, 43 char * const argv[]) 44 { 45 int light; 46 int ret; 47 48 if (argc) { 49 light = simple_strtoul(argv[0], NULL, 16); 50 ret = demo_set_light(demo_dev, light); 51 } else { 52 ret = demo_get_light(demo_dev); 53 if (ret >= 0) { 54 printf("Light: %x\n", ret); 55 ret = 0; 56 } 57 } 58 59 return ret; 60 } 61 62 int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 63 { 64 struct udevice *dev; 65 int i, ret; 66 67 puts("Demo uclass entries:\n"); 68 69 for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev); 70 dev; 71 ret = uclass_next_device(&dev)) { 72 printf("entry %d - instance %08x, ops %08x, platdata %08x\n", 73 i++, (uint)map_to_sysmem(dev), 74 (uint)map_to_sysmem(dev->driver->ops), 75 (uint)map_to_sysmem(dev_get_platdata(dev))); 76 } 77 78 return cmd_process_error(cmdtp, ret); 79 } 80 81 static cmd_tbl_t demo_commands[] = { 82 U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""), 83 U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""), 84 U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""), 85 U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""), 86 }; 87 88 static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 89 { 90 cmd_tbl_t *demo_cmd; 91 int devnum = 0; 92 int ret; 93 94 if (argc < 2) 95 return CMD_RET_USAGE; 96 demo_cmd = find_cmd_tbl(argv[1], demo_commands, 97 ARRAY_SIZE(demo_commands)); 98 argc -= 2; 99 argv += 2; 100 101 if ((!demo_cmd || argc > demo_cmd->maxargs) || 102 ((demo_cmd->name[0] != 'l') && (argc < 1))) 103 return CMD_RET_USAGE; 104 105 if (argc) { 106 devnum = simple_strtoul(argv[0], NULL, 10); 107 ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev); 108 if (ret) 109 return cmd_process_error(cmdtp, ret); 110 argc--; 111 argv++; 112 } else { 113 demo_dev = NULL; 114 if (demo_cmd->cmd != do_demo_list) 115 return CMD_RET_USAGE; 116 } 117 118 ret = demo_cmd->cmd(demo_cmd, flag, argc, argv); 119 120 return cmd_process_error(demo_cmd, ret); 121 } 122 123 U_BOOT_CMD( 124 demo, 4, 1, do_demo, 125 "Driver model (dm) demo operations", 126 "list List available demo devices\n" 127 "demo hello <num> [<char>] Say hello\n" 128 "demo light [<num>] Set or get the lights\n" 129 "demo status <num> Get demo device status\n" 130 "demo list List available demo devices" 131 ); 132