| | 1 | /* |
| | 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 | * |
| | 10 | * SPDX-License-Identifier: GPL-2.0+ |
| | 11 | */ |
| | 12 | |
| | 13 | #include <common.h> |
| | 14 | #include <config.h> |
| | 15 | #include <command.h> |
| | 16 | #include <status_led.h> |
| | 17 | |
| | 18 | struct led_tbl_s { |
| | 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 */ |
| | 24 | }; |
| | 25 | |
| | 26 | typedef struct led_tbl_s led_tbl_t; |
| | 27 | |
| | 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 }, |
| | 32 | #endif |
| | 33 | #ifdef CONFIG_LED_STATUS1 |
| | 34 | { "1", CONFIG_LED_STATUS_BIT1, NULL, NULL, NULL }, |
| | 35 | #endif |
| | 36 | #ifdef CONFIG_LED_STATUS2 |
| | 37 | { "2", CONFIG_LED_STATUS_BIT2, NULL, NULL, NULL }, |
| | 38 | #endif |
| | 39 | #ifdef CONFIG_LED_STATUS3 |
| | 40 | { "3", CONFIG_LED_STATUS_BIT3, NULL, NULL, NULL }, |
| | 41 | #endif |
| | 42 | #ifdef CONFIG_LED_STATUS4 |
| | 43 | { "4", CONFIG_LED_STATUS_BIT4, NULL, NULL, NULL }, |
| | 44 | #endif |
| | 45 | #ifdef CONFIG_LED_STATUS5 |
| | 46 | { "5", CONFIG_LED_STATUS_BIT5, NULL, NULL, NULL }, |
| | 47 | #endif |
| | 48 | #endif |
| | 49 | #ifdef CONFIG_LED_STATUS_GREEN |
| | 50 | { "green", CONFIG_LED_STATUS_GREEN, green_led_off, green_led_on, NULL }, |
| | 51 | #endif |
| | 52 | #ifdef CONFIG_LED_STATUS_YELLOW |
| | 53 | { "yellow", CONFIG_LED_STATUS_YELLOW, yellow_led_off, yellow_led_on, |
| | 54 | NULL }, |
| | 55 | #endif |
| | 56 | #ifdef CONFIG_LED_STATUS_RED |
| | 57 | { "red", CONFIG_LED_STATUS_RED, red_led_off, red_led_on, NULL }, |
| | 58 | #endif |
| | 59 | #ifdef CONFIG_LED_STATUS_BLUE |
| | 60 | { "blue", CONFIG_LED_STATUS_BLUE, blue_led_off, blue_led_on, NULL }, |
| | 61 | #endif |
| | 62 | { NULL, 0, NULL, NULL, NULL } |
| | 63 | }; |
| | 64 | |
| | 65 | enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE, LED_BLINK }; |
| | 66 | |
| | 67 | enum led_cmd get_led_cmd(char *var) |
| | 68 | { |
| | 69 | if (strcmp(var, "off") == 0) |
| | 70 | return LED_OFF; |
| | 71 | if (strcmp(var, "on") == 0) |
| | 72 | return LED_ON; |
| | 73 | if (strcmp(var, "toggle") == 0) |
| | 74 | return LED_TOGGLE; |
| | 75 | if (strcmp(var, "blink") == 0) |
| | 76 | return LED_BLINK; |
| | 77 | |
| | 78 | return -1; |
| | 79 | } |
| | 80 | |
| | 81 | /* |
| | 82 | * LED drivers providing a blinking LED functionality, like the |
| | 83 | * PCA9551, can override this empty weak function |
| | 84 | */ |
| | 85 | void __weak __led_blink(led_id_t mask, int freq) |
| | 86 | { |
| | 87 | } |
| | 88 | |
| | 89 | int do_legacy_led(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| | 90 | { |
| | 91 | int i, match = 0; |
| | 92 | enum led_cmd cmd; |
| | 93 | int freq; |
| | 94 | |
| | 95 | /* Validate arguments */ |
| | 96 | if ((argc < 3) || (argc > 4)) |
| | 97 | return CMD_RET_USAGE; |
| | 98 | |
| | 99 | cmd = get_led_cmd(argv[2]); |
| | 100 | if (cmd < 0) { |
| | 101 | return CMD_RET_USAGE; |
| | 102 | } |
| | 103 | |
| | 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)) { |
| | 107 | match = 1; |
| | 108 | switch (cmd) { |
| | 109 | case LED_ON: |
| | 110 | if (led_commands[i].on) |
| | 111 | led_commands[i].on(); |
| | 112 | else |
| | 113 | __led_set(led_commands[i].mask, |
| | 114 | CONFIG_LED_STATUS_ON); |
| | 115 | break; |
| | 116 | case LED_OFF: |
| | 117 | if (led_commands[i].off) |
| | 118 | led_commands[i].off(); |
| | 119 | else |
| | 120 | __led_set(led_commands[i].mask, |
| | 121 | CONFIG_LED_STATUS_OFF); |
| | 122 | break; |
| | 123 | case LED_TOGGLE: |
| | 124 | if (led_commands[i].toggle) |
| | 125 | led_commands[i].toggle(); |
| | 126 | else |
| | 127 | __led_toggle(led_commands[i].mask); |
| | 128 | break; |
| | 129 | case LED_BLINK: |
| | 130 | if (argc != 4) |
| | 131 | return CMD_RET_USAGE; |
| | 132 | |
| | 133 | freq = simple_strtoul(argv[3], NULL, 10); |
| | 134 | __led_blink(led_commands[i].mask, freq); |
| | 135 | } |
| | 136 | /* Need to set only 1 led if led_name wasn't 'all' */ |
| | 137 | if (strcmp("all", argv[1]) != 0) |
| | 138 | break; |
| | 139 | } |
| | 140 | } |
| | 141 | |
| | 142 | /* If we ran out of matches, print Usage */ |
| | 143 | if (!match) { |
| | 144 | return CMD_RET_USAGE; |
| | 145 | } |
| | 146 | |
| | 147 | return 0; |
| | 148 | } |
| | 149 | |
| | 150 | U_BOOT_CMD( |
| | 151 | led, 4, 1, do_legacy_led, |
| | 152 | "[" |
| | 153 | #ifdef CONFIG_LED_STATUS_BOARD_SPECIFIC |
| | 154 | #ifdef CONFIG_LED_STATUS0 |
| | 155 | "0|" |
| | 156 | #endif |
| | 157 | #ifdef CONFIG_LED_STATUS1 |
| | 158 | "1|" |
| | 159 | #endif |
| | 160 | #ifdef CONFIG_LED_STATUS2 |
| | 161 | "2|" |
| | 162 | #endif |
| | 163 | #ifdef CONFIG_LED_STATUS3 |
| | 164 | "3|" |
| | 165 | #endif |
| | 166 | #ifdef CONFIG_LED_STATUS4 |
| | 167 | "4|" |
| | 168 | #endif |
| | 169 | #ifdef CONFIG_LED_STATUS5 |
| | 170 | "5|" |
| | 171 | #endif |
| | 172 | #endif |
| | 173 | #ifdef CONFIG_LED_STATUS_GREEN |
| | 174 | "green|" |
| | 175 | #endif |
| | 176 | #ifdef CONFIG_LED_STATUS_YELLOW |
| | 177 | "yellow|" |
| | 178 | #endif |
| | 179 | #ifdef CONFIG_LED_STATUS_RED |
| | 180 | "red|" |
| | 181 | #endif |
| | 182 | #ifdef CONFIG_LED_STATUS_BLUE |
| | 183 | "blue|" |
| | 184 | #endif |
| | 185 | "all] [on|off|toggle|blink] [blink-freq in ms]", |
| | 186 | "[led_name] [on|off|toggle|blink] sets or clears led(s)" |
| | 187 | ); |
projects / people / ms / u-boot.git / blame_incremental