Remove the cmd_ prefix from command files

[people/ms/u-boot.git] / cmd / led.c

diff --git a/cmd/led.c b/cmd/led.c
new file mode 100644 (file)
index 0000000..b0f1a61
--- /dev/null
+++ b/cmd/led.c
@@ -0,0 +1,186 @@
+/*
+ * (C) Copyright 2010
+ * Jason Kridner <jkridner@beagleboard.org>
+ *
+ * Based on cmd_led.c patch from:
+ * http://www.mail-archive.com/u-boot@lists.denx.de/msg06873.html
+ * (C) Copyright 2008
+ * Ulf Samuelsson <ulf.samuelsson@atmel.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <status_led.h>
+
+struct led_tbl_s {
+       char            *string;        /* String for use in the command */
+       led_id_t        mask;           /* Mask used for calling __led_set() */
+       void            (*off)(void);   /* Optional function for turning LED off */
+       void            (*on)(void);    /* Optional function for turning LED on */
+       void            (*toggle)(void);/* Optional function for toggling LED */
+};
+
+typedef struct led_tbl_s led_tbl_t;
+
+static const led_tbl_t led_commands[] = {
+#ifdef CONFIG_BOARD_SPECIFIC_LED
+#ifdef STATUS_LED_BIT
+       { "0", STATUS_LED_BIT, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT1
+       { "1", STATUS_LED_BIT1, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT2
+       { "2", STATUS_LED_BIT2, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT3
+       { "3", STATUS_LED_BIT3, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT4
+       { "4", STATUS_LED_BIT4, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT5
+       { "5", STATUS_LED_BIT5, NULL, NULL, NULL },
+#endif
+#endif
+#ifdef STATUS_LED_GREEN
+       { "green", STATUS_LED_GREEN, green_led_off, green_led_on, NULL },
+#endif
+#ifdef STATUS_LED_YELLOW
+       { "yellow", STATUS_LED_YELLOW, yellow_led_off, yellow_led_on, NULL },
+#endif
+#ifdef STATUS_LED_RED
+       { "red", STATUS_LED_RED, red_led_off, red_led_on, NULL },
+#endif
+#ifdef STATUS_LED_BLUE
+       { "blue", STATUS_LED_BLUE, blue_led_off, blue_led_on, NULL },
+#endif
+       { NULL, 0, NULL, NULL, NULL }
+};
+
+enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE, LED_BLINK };
+
+enum led_cmd get_led_cmd(char *var)
+{
+       if (strcmp(var, "off") == 0)
+               return LED_OFF;
+       if (strcmp(var, "on") == 0)
+               return LED_ON;
+       if (strcmp(var, "toggle") == 0)
+               return LED_TOGGLE;
+       if (strcmp(var, "blink") == 0)
+               return LED_BLINK;
+
+       return -1;
+}
+
+/*
+ * LED drivers providing a blinking LED functionality, like the
+ * PCA9551, can override this empty weak function
+ */
+void __weak __led_blink(led_id_t mask, int freq)
+{
+}
+
+int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       int i, match = 0;
+       enum led_cmd cmd;
+       int freq;
+
+       /* Validate arguments */
+       if ((argc < 3) || (argc > 4))
+               return CMD_RET_USAGE;
+
+       cmd = get_led_cmd(argv[2]);
+       if (cmd < 0) {
+               return CMD_RET_USAGE;
+       }
+
+       for (i = 0; led_commands[i].string; i++) {
+               if ((strcmp("all", argv[1]) == 0) ||
+                   (strcmp(led_commands[i].string, argv[1]) == 0)) {
+                       match = 1;
+                       switch (cmd) {
+                       case LED_ON:
+                               if (led_commands[i].on)
+                                       led_commands[i].on();
+                               else
+                                       __led_set(led_commands[i].mask,
+                                                         STATUS_LED_ON);
+                               break;
+                       case LED_OFF:
+                               if (led_commands[i].off)
+                                       led_commands[i].off();
+                               else
+                                       __led_set(led_commands[i].mask,
+                                                         STATUS_LED_OFF);
+                               break;
+                       case LED_TOGGLE:
+                               if (led_commands[i].toggle)
+                                       led_commands[i].toggle();
+                               else
+                                       __led_toggle(led_commands[i].mask);
+                               break;
+                       case LED_BLINK:
+                               if (argc != 4)
+                                       return CMD_RET_USAGE;
+
+                               freq = simple_strtoul(argv[3], NULL, 10);
+                               __led_blink(led_commands[i].mask, freq);
+                       }
+                       /* Need to set only 1 led if led_name wasn't 'all' */
+                       if (strcmp("all", argv[1]) != 0)
+                               break;
+               }
+       }
+
+       /* If we ran out of matches, print Usage */
+       if (!match) {
+               return CMD_RET_USAGE;
+       }
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       led, 4, 1, do_led,
+       "["
+#ifdef CONFIG_BOARD_SPECIFIC_LED
+#ifdef STATUS_LED_BIT
+       "0|"
+#endif
+#ifdef STATUS_LED_BIT1
+       "1|"
+#endif
+#ifdef STATUS_LED_BIT2
+       "2|"
+#endif
+#ifdef STATUS_LED_BIT3
+       "3|"
+#endif
+#ifdef STATUS_LED_BIT4
+       "4|"
+#endif
+#ifdef STATUS_LED_BIT5
+       "5|"
+#endif
+#endif
+#ifdef STATUS_LED_GREEN
+       "green|"
+#endif
+#ifdef STATUS_LED_YELLOW
+       "yellow|"
+#endif
+#ifdef STATUS_LED_RED
+       "red|"
+#endif
+#ifdef STATUS_LED_BLUE
+       "blue|"
+#endif
+       "all] [on|off|toggle|blink] [blink-freq in ms]",
+       "[led_name] [on|off|toggle|blink] sets or clears led(s)"
+);