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Jason Kridnerb633f662011-04-18 17:22:44 -04001/*
2 * (C) Copyright 2010
3 * Jason Kridner <jkridner@beagleboard.org>
4 *
5 * Based on cmd_led.c patch from:
6 * http://www.mail-archive.com/u-boot@lists.denx.de/msg06873.html
7 * (C) Copyright 2008
8 * Ulf Samuelsson <ulf.samuelsson@atmel.com>
9 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020010 * SPDX-License-Identifier: GPL-2.0+
Jason Kridnerb633f662011-04-18 17:22:44 -040011 */
12
13#include <common.h>
14#include <config.h>
15#include <command.h>
16#include <status_led.h>
17
18struct led_tbl_s {
19 char *string; /* String for use in the command */
20 led_id_t mask; /* Mask used for calling __led_set() */
Jason Kridner4086b512011-04-20 18:13:49 -050021 void (*off)(void); /* Optional function for turning LED off */
22 void (*on)(void); /* Optional function for turning LED on */
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050023 void (*toggle)(void);/* Optional function for toggling LED */
Jason Kridnerb633f662011-04-18 17:22:44 -040024};
25
26typedef struct led_tbl_s led_tbl_t;
27
28static const led_tbl_t led_commands[] = {
29#ifdef CONFIG_BOARD_SPECIFIC_LED
30#ifdef STATUS_LED_BIT
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050031 { "0", STATUS_LED_BIT, NULL, NULL, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040032#endif
33#ifdef STATUS_LED_BIT1
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050034 { "1", STATUS_LED_BIT1, NULL, NULL, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040035#endif
36#ifdef STATUS_LED_BIT2
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050037 { "2", STATUS_LED_BIT2, NULL, NULL, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040038#endif
39#ifdef STATUS_LED_BIT3
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050040 { "3", STATUS_LED_BIT3, NULL, NULL, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040041#endif
42#endif
43#ifdef STATUS_LED_GREEN
Jason Kridner2d3be7c2011-09-04 14:40:16 -040044 { "green", STATUS_LED_GREEN, green_led_off, green_led_on, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040045#endif
46#ifdef STATUS_LED_YELLOW
Jason Kridner2d3be7c2011-09-04 14:40:16 -040047 { "yellow", STATUS_LED_YELLOW, yellow_led_off, yellow_led_on, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040048#endif
49#ifdef STATUS_LED_RED
Jason Kridner2d3be7c2011-09-04 14:40:16 -040050 { "red", STATUS_LED_RED, red_led_off, red_led_on, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040051#endif
52#ifdef STATUS_LED_BLUE
Jason Kridner2d3be7c2011-09-04 14:40:16 -040053 { "blue", STATUS_LED_BLUE, blue_led_off, blue_led_on, NULL },
Jason Kridnerb633f662011-04-18 17:22:44 -040054#endif
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050055 { NULL, 0, NULL, NULL, NULL }
Jason Kridnerb633f662011-04-18 17:22:44 -040056};
57
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050058enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE };
59
60enum led_cmd get_led_cmd(char *var)
Jason Kridnerb633f662011-04-18 17:22:44 -040061{
62 if (strcmp(var, "off") == 0) {
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050063 return LED_OFF;
Jason Kridnerb633f662011-04-18 17:22:44 -040064 }
65 if (strcmp(var, "on") == 0) {
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050066 return LED_ON;
Jason Kridnerb633f662011-04-18 17:22:44 -040067 }
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050068 if (strcmp(var, "toggle") == 0)
69 return LED_TOGGLE;
Jason Kridnerb633f662011-04-18 17:22:44 -040070 return -1;
71}
72
73int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
74{
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050075 int i, match = 0;
76 enum led_cmd cmd;
Jason Kridnerb633f662011-04-18 17:22:44 -040077
78 /* Validate arguments */
79 if ((argc != 3)) {
Simon Glass4c12eeb2011-12-10 08:44:01 +000080 return CMD_RET_USAGE;
Jason Kridnerb633f662011-04-18 17:22:44 -040081 }
82
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050083 cmd = get_led_cmd(argv[2]);
84 if (cmd < 0) {
Simon Glass4c12eeb2011-12-10 08:44:01 +000085 return CMD_RET_USAGE;
Jason Kridnerb633f662011-04-18 17:22:44 -040086 }
87
88 for (i = 0; led_commands[i].string; i++) {
Wolfgang Denkcd6881b2011-05-19 22:21:41 +020089 if ((strcmp("all", argv[1]) == 0) ||
Jason Kridnerb633f662011-04-18 17:22:44 -040090 (strcmp(led_commands[i].string, argv[1]) == 0)) {
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050091 match = 1;
92 switch (cmd) {
93 case LED_ON:
94 if (led_commands[i].on)
Jason Kridnerb633f662011-04-18 17:22:44 -040095 led_commands[i].on();
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050096 else
Otavio Salvadoraf730342013-02-23 02:43:07 +000097 __led_set(led_commands[i].mask,
98 STATUS_LED_ON);
Joel A Fernandesb8bc8972011-08-11 23:16:53 -050099 break;
100 case LED_OFF:
101 if (led_commands[i].off)
Jason Kridnerb633f662011-04-18 17:22:44 -0400102 led_commands[i].off();
Joel A Fernandesb8bc8972011-08-11 23:16:53 -0500103 else
Otavio Salvadoraf730342013-02-23 02:43:07 +0000104 __led_set(led_commands[i].mask,
105 STATUS_LED_OFF);
Joel A Fernandesb8bc8972011-08-11 23:16:53 -0500106 break;
107 case LED_TOGGLE:
108 if (led_commands[i].toggle)
109 led_commands[i].toggle();
110 else
111 __led_toggle(led_commands[i].mask);
Jason Kridnerb633f662011-04-18 17:22:44 -0400112 }
Joel A Fernandesd604cda2011-08-11 19:10:19 -0500113 /* Need to set only 1 led if led_name wasn't 'all' */
114 if (strcmp("all", argv[1]) != 0)
115 break;
Jason Kridnerb633f662011-04-18 17:22:44 -0400116 }
117 }
118
119 /* If we ran out of matches, print Usage */
Jason Kridner95492d72011-03-08 20:42:01 -0600120 if (!match) {
Simon Glass4c12eeb2011-12-10 08:44:01 +0000121 return CMD_RET_USAGE;
Jason Kridnerb633f662011-04-18 17:22:44 -0400122 }
123
124 return 0;
125}
126
127U_BOOT_CMD(
128 led, 3, 1, do_led,
Robert P. J. Dayd4b901d2012-11-11 10:39:07 +0000129 "["
Jason Kridnerb633f662011-04-18 17:22:44 -0400130#ifdef CONFIG_BOARD_SPECIFIC_LED
131#ifdef STATUS_LED_BIT
132 "0|"
133#endif
134#ifdef STATUS_LED_BIT1
135 "1|"
136#endif
137#ifdef STATUS_LED_BIT2
138 "2|"
139#endif
140#ifdef STATUS_LED_BIT3
141 "3|"
142#endif
143#endif
144#ifdef STATUS_LED_GREEN
145 "green|"
146#endif
147#ifdef STATUS_LED_YELLOW
148 "yellow|"
149#endif
150#ifdef STATUS_LED_RED
151 "red|"
152#endif
153#ifdef STATUS_LED_BLUE
154 "blue|"
155#endif
Robert P. J. Dayd4b901d2012-11-11 10:39:07 +0000156 "all] [on|off|toggle]",
157 "[led_name] [on|off|toggle] sets or clears led(s)"
Jason Kridnerb633f662011-04-18 17:22:44 -0400158);