Git Repo - J-u-boot.git/blame_incremental

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Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* Copyright (C) 2012 Samsung Electronics
	4	* Rajeshwari Shinde <[email protected]>
	5	*/
	6
	7	#include <common.h>
	8	#include <command.h>
	9	#include <dm.h>
	10	#include <fdtdec.h>
	11	#include <sound.h>
	12	#include <asm/global_data.h>
	13
	14	DECLARE_GLOBAL_DATA_PTR;
	15
	16	/* Initilaise sound subsystem */
	17	static int do_init(struct cmd_tbl *cmdtp, int flag, int argc,
	18	char *const argv[])
	19	{
	20	struct udevice *dev;
	21	int ret;
	22
	23	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
	24	if (!ret)
	25	ret = sound_setup(dev);
	26	if (ret) {
	27	printf("Initialise Audio driver failed (ret=%d)\n", ret);
	28	return CMD_RET_FAILURE;
	29	}
	30
	31	return 0;
	32	}
	33
	34	/* play sound from buffer */
	35	static int do_play(struct cmd_tbl *cmdtp, int flag, int argc,
	36	char *const argv[])
	37	{
	38	struct udevice *dev;
	39	int ret = 0;
	40	int msec = 1000;
	41	int freq = 400;
	42	bool first = true;
	43
	44	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
	45	if (ret)
	46	goto err;
	47	--argc;
	48	++argv;
	49	while (argc \|\| first) {
	50	first = false;
	51	if (argc && *argv[0] != '-') {
	52	msec = dectoul(argv[0], NULL);
	53	--argc;
	54	++argv;
	55	}
	56	if (argc && *argv[0] != '-') {
	57	freq = dectoul(argv[0], NULL);
	58	--argc;
	59	++argv;
	60	}
	61	ret = sound_beep(dev, msec, freq);
	62	if (ret)
	63	goto err;
	64	}
	65	return 0;
	66
	67	err:
	68	printf("Sound device failed to play (err=%d)\n", ret);
	69	return CMD_RET_FAILURE;
	70	}
	71
	72	static struct cmd_tbl cmd_sound_sub[] = {
	73	U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
	74	U_BOOT_CMD_MKENT(play, INT_MAX, 1, do_play, "", ""),
	75	};
	76
	77	/* process sound command */
	78	static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
	79	char *const argv[])
	80	{
	81	struct cmd_tbl *c;
	82
	83	if (argc < 1)
	84	return CMD_RET_USAGE;
	85
	86	/* Strip off leading 'sound' command argument */
	87	argc--;
	88	argv++;
	89
	90	c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
	91
	92	if (c)
	93	return c->cmd(cmdtp, flag, argc, argv);
	94	else
	95	return CMD_RET_USAGE;
	96	}
	97
	98	U_BOOT_CMD(
	99	sound, INT_MAX, 1, do_sound,
	100	"sound sub-system",
	101	"init - initialise the sound driver\n"
	102	"sound play [[[-q\|-s] len [freq]] ...] - play sounds\n"
	103	" len - duration in ms\n"
	104	" freq - frequency in Hz\n"
	105	);