[people/ms/u-boot.git] / common / cmd_demo.c

/*
 * Copyright (c) 2013 Google, Inc
 *
 * (C) Copyright 2012
 * Pavel Herrmann <morpheus.ibis@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <dm-demo.h>
#include <asm/io.h>

struct device *demo_dev;

static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc,
			 char * const argv[])
{
	int ch = 0;

	if (argc)
		ch = *argv[0];

	return demo_hello(demo_dev, ch);
}

static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc,
			  char * const argv[])
{
	int status;
	int ret;

	ret = demo_status(demo_dev, &status);
	if (ret)
		return ret;

	printf("Status: %d\n", status);

	return 0;
}

int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	struct device *dev;
	int i, ret;

	puts("Demo uclass entries:\n");

	for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
		       i++, map_to_sysmem(dev),
		       map_to_sysmem(dev->driver->ops),
		       map_to_sysmem(dev_get_platdata(dev)));
	}

	return cmd_process_error(cmdtp, ret);
}

static cmd_tbl_t demo_commands[] = {
	U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
	U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
	U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
};

static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	cmd_tbl_t *demo_cmd;
	int devnum = 0;
	int ret;

	if (argc < 2)
		return CMD_RET_USAGE;
	demo_cmd = find_cmd_tbl(argv[1], demo_commands,
				ARRAY_SIZE(demo_commands));
	argc -= 2;
	argv += 2;
	if (!demo_cmd || argc > demo_cmd->maxargs)
		return CMD_RET_USAGE;

	if (argc) {
		devnum = simple_strtoul(argv[0], NULL, 10);
		ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
		if (ret)
			return cmd_process_error(cmdtp, ret);
		argc--;
		argv++;
	}

	ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);

	return cmd_process_error(demo_cmd, ret);
}

U_BOOT_CMD(
	demo,   4,      1,      do_demo,
	"Driver model (dm) demo operations",
	"list                     List available demo devices\n"
	"demo hello <num> [<char>]     Say hello\n"
	"demo status <num>             Get demo device status"
);
Commit	Line	Data
39f7611f SG	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 <asm/io.h>
	13
	14	struct device *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	int do_demo_list(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	43	{
	44	struct device *dev;
	45	int i, ret;
	46
	47	puts("Demo uclass entries:\n");
	48
	49	for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
	50	dev;
	51	ret = uclass_next_device(&dev)) {
	52	printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
	53	i++, map_to_sysmem(dev),
	54	map_to_sysmem(dev->driver->ops),
	55	map_to_sysmem(dev_get_platdata(dev)));
	56	}
	57
	58	return cmd_process_error(cmdtp, ret);
	59	}
	60
	61	static cmd_tbl_t demo_commands[] = {
	62	U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
	63	U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
	64	U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
65	};
66
67	static int do_demo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
68	{
69	cmd_tbl_t *demo_cmd;
70	int devnum = 0;
71	int ret;
72
73	if (argc < 2)
74	return CMD_RET_USAGE;
75	demo_cmd = find_cmd_tbl(argv[1], demo_commands,
76	ARRAY_SIZE(demo_commands));
77	argc -= 2;
78	argv += 2;
79	if (!demo_cmd \|\| argc > demo_cmd->maxargs)
80	return CMD_RET_USAGE;
81
82	if (argc) {
83	devnum = simple_strtoul(argv[0], NULL, 10);
84	ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
85	if (ret)
86	return cmd_process_error(cmdtp, ret);
87	argc--;
88	argv++;
89	}
90
91	ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);
92
93	return cmd_process_error(demo_cmd, ret);
94	}
95
96	U_BOOT_CMD(
97	demo, 4, 1, do_demo,
98	"Driver model (dm) demo operations",
99	"list List available demo devices\n"
100	"demo hello <num> [<char>] Say hello\n"
101	"demo status <num> Get demo device status"
102	);