[people/ms/u-boot.git] / 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 <mapmem.h>
#include <asm/io.h>

struct udevice *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;
}

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

	if (argc) {
		light = simple_strtoul(argv[0], NULL, 16);
		ret = demo_set_light(demo_dev, light);
	} else {
		ret = demo_get_light(demo_dev);
		if (ret >= 0) {
			printf("Light: %x\n", ret);
			ret = 0;
		}
	}

	return ret;
}

int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	struct udevice *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++, (uint)map_to_sysmem(dev),
		       (uint)map_to_sysmem(dev->driver->ops),
		       (uint)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(light, 2, 1, do_demo_light, "", ""),
	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) ||
	    ((demo_cmd->name[0] != 'l') && (argc < 1)))
		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++;
	} else {
		demo_dev = NULL;
		if (demo_cmd->cmd != do_demo_list)
			return CMD_RET_USAGE;
	}

	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 light [<num>]            Set or get the lights\n"
	"demo status <num>             Get demo device status\n"
	"demo list                     List available demo devices"
);
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>
0eb25b61	12	#include <mapmem.h>
39f7611f SG	13	#include <asm/io.h>
39f7611f SG	14
54c5d08a	15	struct udevice *demo_dev;
39f7611f SG	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
a02af4ae SG	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
39f7611f SG	63	int do_demo_list(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
39f7611f SG	64	{
54c5d08a	65	struct udevice *dev;
39f7611f SG	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",
c6b89f31 MS	74	i++, (uint)map_to_sysmem(dev),
	75	(uint)map_to_sysmem(dev->driver->ops),
	76	(uint)map_to_sysmem(dev_get_platdata(dev)));
39f7611f SG	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, "", ""),
a02af4ae	85	U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""),
39f7611f SG	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;
b922a5f9 PT	101
	102	if ((!demo_cmd \|\| argc > demo_cmd->maxargs) \|\|
	103	((demo_cmd->name[0] != 'l') && (argc < 1)))
39f7611f SG	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++;
a02af4ae SG	113	} else {
	114	demo_dev = NULL;
	115	if (demo_cmd->cmd != do_demo_list)
	116	return CMD_RET_USAGE;
39f7611f SG	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"
a02af4ae SG	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"
39f7611f	132	);