]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/legacy_led.c
3 * Jason Kridner <jkridner@beagleboard.org>
5 * Based on cmd_led.c patch from:
6 * http://www.mail-archive.com/u-boot@lists.denx.de/msg06873.html
8 * Ulf Samuelsson <ulf.samuelsson@atmel.com>
10 * SPDX-License-Identifier: GPL-2.0+
16 #include <status_led.h>
19 char *string
; /* String for use in the command */
20 led_id_t mask
; /* Mask used for calling __led_set() */
21 void (*off
)(void); /* Optional function for turning LED off */
22 void (*on
)(void); /* Optional function for turning LED on */
23 void (*toggle
)(void);/* Optional function for toggling LED */
26 typedef struct led_tbl_s led_tbl_t
;
28 static const led_tbl_t led_commands
[] = {
29 #ifdef CONFIG_LED_STATUS_BOARD_SPECIFIC
30 #ifdef CONFIG_LED_STATUS0
31 { "0", CONFIG_LED_STATUS_BIT
, NULL
, NULL
, NULL
},
33 #ifdef CONFIG_LED_STATUS1
34 { "1", CONFIG_LED_STATUS_BIT1
, NULL
, NULL
, NULL
},
36 #ifdef CONFIG_LED_STATUS2
37 { "2", CONFIG_LED_STATUS_BIT2
, NULL
, NULL
, NULL
},
39 #ifdef CONFIG_LED_STATUS3
40 { "3", CONFIG_LED_STATUS_BIT3
, NULL
, NULL
, NULL
},
42 #ifdef CONFIG_LED_STATUS4
43 { "4", CONFIG_LED_STATUS_BIT4
, NULL
, NULL
, NULL
},
45 #ifdef CONFIG_LED_STATUS5
46 { "5", CONFIG_LED_STATUS_BIT5
, NULL
, NULL
, NULL
},
49 #ifdef CONFIG_LED_STATUS_GREEN
50 { "green", CONFIG_LED_STATUS_GREEN
, green_led_off
, green_led_on
, NULL
},
52 #ifdef CONFIG_LED_STATUS_YELLOW
53 { "yellow", CONFIG_LED_STATUS_YELLOW
, yellow_led_off
, yellow_led_on
,
56 #ifdef CONFIG_LED_STATUS_RED
57 { "red", CONFIG_LED_STATUS_RED
, red_led_off
, red_led_on
, NULL
},
59 #ifdef CONFIG_LED_STATUS_BLUE
60 { "blue", CONFIG_LED_STATUS_BLUE
, blue_led_off
, blue_led_on
, NULL
},
62 { NULL
, 0, NULL
, NULL
, NULL
}
65 enum led_cmd
{ LED_ON
, LED_OFF
, LED_TOGGLE
, LED_BLINK
};
67 enum led_cmd
get_led_cmd(char *var
)
69 if (strcmp(var
, "off") == 0)
71 if (strcmp(var
, "on") == 0)
73 if (strcmp(var
, "toggle") == 0)
75 if (strcmp(var
, "blink") == 0)
82 * LED drivers providing a blinking LED functionality, like the
83 * PCA9551, can override this empty weak function
85 void __weak
__led_blink(led_id_t mask
, int freq
)
89 int do_legacy_led(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
95 /* Validate arguments */
96 if ((argc
< 3) || (argc
> 4))
99 cmd
= get_led_cmd(argv
[2]);
101 return CMD_RET_USAGE
;
104 for (i
= 0; led_commands
[i
].string
; i
++) {
105 if ((strcmp("all", argv
[1]) == 0) ||
106 (strcmp(led_commands
[i
].string
, argv
[1]) == 0)) {
110 if (led_commands
[i
].on
)
111 led_commands
[i
].on();
113 __led_set(led_commands
[i
].mask
,
114 CONFIG_LED_STATUS_ON
);
117 if (led_commands
[i
].off
)
118 led_commands
[i
].off();
120 __led_set(led_commands
[i
].mask
,
121 CONFIG_LED_STATUS_OFF
);
124 if (led_commands
[i
].toggle
)
125 led_commands
[i
].toggle();
127 __led_toggle(led_commands
[i
].mask
);
131 return CMD_RET_USAGE
;
133 freq
= simple_strtoul(argv
[3], NULL
, 10);
134 __led_blink(led_commands
[i
].mask
, freq
);
136 /* Need to set only 1 led if led_name wasn't 'all' */
137 if (strcmp("all", argv
[1]) != 0)
142 /* If we ran out of matches, print Usage */
144 return CMD_RET_USAGE
;
151 led
, 4, 1, do_legacy_led
,
153 #ifdef CONFIG_LED_STATUS_BOARD_SPECIFIC
154 #ifdef CONFIG_LED_STATUS0
157 #ifdef CONFIG_LED_STATUS1
160 #ifdef CONFIG_LED_STATUS2
163 #ifdef CONFIG_LED_STATUS3
166 #ifdef CONFIG_LED_STATUS4
169 #ifdef CONFIG_LED_STATUS5
173 #ifdef CONFIG_LED_STATUS_GREEN
176 #ifdef CONFIG_LED_STATUS_YELLOW
179 #ifdef CONFIG_LED_STATUS_RED
182 #ifdef CONFIG_LED_STATUS_BLUE
185 "all] [on|off|toggle|blink] [blink-freq in ms]",
186 "[led_name] [on|off|toggle|blink] sets or clears led(s)"