1 /* 2 * Copyright (c) 2013 Google, Inc 3 * 4 * (C) Copyright 2012 5 * Pavel Herrmann <morpheus.ibis@gmail.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <dm-demo.h> 12 #include <mapmem.h> 13 #include <asm/io.h> 14 15 struct udevice *demo_dev; 16 17 static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc, 18 char * const argv[]) 19 { 20 int ch = 0; 21 22 if (argc) 23 ch = *argv[0]; 24 25 return demo_hello(demo_dev, ch); 26 } 27 28 static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc, 29 char * const argv[]) 30 { 31 int status; 32 int ret; 33 34 ret = demo_status(demo_dev, &status); 35 if (ret) 36 return ret; 37 38 printf("Status: %d\n", status); 39 40 return 0; 41 } 42 43 static int do_demo_light(cmd_tbl_t *cmdtp, int flag, int argc, 44 char * const argv[]) 45 { 46 int light; 47 int ret; 48 49 if (argc) { 50 light = simple_strtoul(argv[0], NULL, 16); 51 ret = demo_set_light(demo_dev, light); 52 } else { 53 ret = demo_get_light(demo_dev); 54 if (ret >= 0) { 55 printf("Light: %x\n", ret); 56 ret = 0; 57 } 58 } 59 60 return ret; 61 } 62 63 int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 64 { 65 struct udevice *dev; 66 int i, ret; 67 68 puts("Demo uclass entries:\n"); 69 70 for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev); 71 dev; 72 ret = uclass_next_device(&dev)) { 73 printf("entry %d - instance %08x, ops %08x, platdata %08x\n", 74 i++, map_to_sysmem(dev), 75 map_to_sysmem(dev->driver->ops), 76 map_to_sysmem(dev_get_platdata(dev))); 77 } 78 79 return cmd_process_error(cmdtp, ret); 80 } 81 82 static cmd_tbl_t demo_commands[] = { 83 U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""), 84 U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""), 85 U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""), 86 U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""), 87 }; 88 89 static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 90 { 91 cmd_tbl_t *demo_cmd; 92 int devnum = 0; 93 int ret; 94 95 if (argc < 2) 96 return CMD_RET_USAGE; 97 demo_cmd = find_cmd_tbl(argv[1], demo_commands, 98 ARRAY_SIZE(demo_commands)); 99 argc -= 2; 100 argv += 2; 101 102 if ((!demo_cmd || argc > demo_cmd->maxargs) || 103 ((demo_cmd->name[0] != 'l') && (argc < 1))) 104 return CMD_RET_USAGE; 105 106 if (argc) { 107 devnum = simple_strtoul(argv[0], NULL, 10); 108 ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev); 109 if (ret) 110 return cmd_process_error(cmdtp, ret); 111 argc--; 112 argv++; 113 } else { 114 demo_dev = NULL; 115 if (demo_cmd->cmd != do_demo_list) 116 return CMD_RET_USAGE; 117 } 118 119 ret = demo_cmd->cmd(demo_cmd, flag, argc, argv); 120 121 return cmd_process_error(demo_cmd, ret); 122 } 123 124 U_BOOT_CMD( 125 demo, 4, 1, do_demo, 126 "Driver model (dm) demo operations", 127 "list List available demo devices\n" 128 "demo hello <num> [<char>] Say hello\n" 129 "demo light [<num>] Set or get the lights\n" 130 "demo status <num> Get demo device status\n" 131 "demo list List available demo devices" 132 ); 133