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 <command.h> 11#include <dm.h> 12#include <dm-demo.h> 13#include <mapmem.h> 14#include <asm/io.h> 15 16struct udevice *demo_dev; 17 18static int do_demo_hello(struct cmd_tbl *cmdtp, int flag, int argc, 19 char *const argv[]) 20{ 21 int ch = 0; 22 23 if (argc) 24 ch = *argv[0]; 25 26 return demo_hello(demo_dev, ch); 27} 28 29static int do_demo_status(struct cmd_tbl *cmdtp, int flag, int argc, 30 char *const argv[]) 31{ 32 int status; 33 int ret; 34 35 ret = demo_status(demo_dev, &status); 36 if (ret) 37 return ret; 38 39 printf("Status: %d\n", status); 40 41 return 0; 42} 43 44static int do_demo_light(struct cmd_tbl *cmdtp, int flag, int argc, 45 char *const argv[]) 46{ 47 int light; 48 int ret; 49 50 if (argc) { 51 light = hextoul(argv[0], NULL); 52 ret = demo_set_light(demo_dev, light); 53 } else { 54 ret = demo_get_light(demo_dev); 55 if (ret >= 0) { 56 printf("Light: %x\n", ret); 57 ret = 0; 58 } 59 } 60 61 return ret; 62} 63 64int do_demo_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 65{ 66 struct udevice *dev; 67 int i, ret, err = 0; 68 69 puts("Demo uclass entries:\n"); 70 71 for (i = 0, ret = uclass_first_device_check(UCLASS_DEMO, &dev); 72 dev; 73 ret = uclass_next_device_check(&dev)) { 74 printf("entry %d - instance %08x, ops %08x, plat %08x, status %i\n", 75 i++, (uint)map_to_sysmem(dev), 76 (uint)map_to_sysmem(dev->driver->ops), 77 (uint)map_to_sysmem(dev_get_plat(dev)), 78 ret); 79 if (ret) 80 err = ret; 81 } 82 83 return cmd_process_error(cmdtp, err); 84} 85 86static struct cmd_tbl demo_commands[] = { 87 U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""), 88 U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""), 89 U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""), 90 U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""), 91}; 92 93static int do_demo(struct cmd_tbl *cmdtp, int flag, int argc, 94 char *const argv[]) 95{ 96 struct cmd_tbl *demo_cmd; 97 int devnum = 0; 98 int ret; 99 100 if (argc < 2) 101 return CMD_RET_USAGE; 102 demo_cmd = find_cmd_tbl(argv[1], demo_commands, 103 ARRAY_SIZE(demo_commands)); 104 argc -= 2; 105 argv += 2; 106 107 if ((!demo_cmd || argc > demo_cmd->maxargs) || 108 ((demo_cmd->name[0] != 'l') && (argc < 1))) 109 return CMD_RET_USAGE; 110 111 if (argc) { 112 devnum = dectoul(argv[0], NULL); 113 ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev); 114 if (ret) 115 return cmd_process_error(cmdtp, ret); 116 argc--; 117 argv++; 118 } else { 119 demo_dev = NULL; 120 if (demo_cmd->cmd != do_demo_list) 121 return CMD_RET_USAGE; 122 } 123 124 ret = demo_cmd->cmd(demo_cmd, flag, argc, argv); 125 126 return cmd_process_error(demo_cmd, ret); 127} 128 129U_BOOT_CMD( 130 demo, 4, 1, do_demo, 131 "Driver model (dm) demo operations", 132 "list List available demo devices\n" 133 "demo hello <num> [<char>] Say hello\n" 134 "demo light [<num>] Set or get the lights\n" 135 "demo status <num> Get demo device status\n" 136); 137