From: Aldo Brett Cedillo Martinez aldo.cedillo@ti.com
Signed-off-by: Aldo Brett Cedillo Martinez aldo.cedillo@ti.com --- board/logicpd/zoom3/led.c | 133 +++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 133 insertions(+), 0 deletions(-) create mode 100644 board/logicpd/zoom3/led.c
diff --git a/board/logicpd/zoom3/led.c b/board/logicpd/zoom3/led.c new file mode 100644 index 0000000..1871d79 --- /dev/null +++ b/board/logicpd/zoom3/led.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix Tom.Rix@windriver.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <status_led.h> +#include <asm/arch/cpu.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/gpio.h> + +static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF}; + +/* + * GPIO LEDs + * 173 red + * 154 blue + * 61 blue2 + */ +#define ZOOM3_LED_RED 173 +#define ZOOM3_LED_BLUE 154 +#define ZOOM3_LED_BLUE2 61 + +void red_LED_off(void) +{ + /* red */ + if (!omap_request_gpio(ZOOM3_LED_RED)) { + omap_set_gpio_direction(ZOOM3_LED_RED, 0); + omap_set_gpio_dataout(ZOOM3_LED_RED, 0); + } + + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void blue_LED_off(void) +{ + /* blue */ + if (!omap_request_gpio(ZOOM3_LED_BLUE)) { + omap_set_gpio_direction(ZOOM3_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM3_LED_BLUE, 0); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM3_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM3_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM3_LED_BLUE2, 0); + } + + saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; +} + +void red_LED_on(void) +{ + blue_LED_off(); + + /* red */ + if (!omap_request_gpio(ZOOM3_LED_RED)) { + omap_set_gpio_direction(ZOOM3_LED_RED, 0); + omap_set_gpio_dataout(ZOOM3_LED_RED, 1); + } + + saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; +} + +void blue_LED_on(void) +{ + red_LED_off(); + + /* blue */ + if (!omap_request_gpio(ZOOM3_LED_BLUE)) { + omap_set_gpio_direction(ZOOM3_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM3_LED_BLUE, 1); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM3_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM3_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM3_LED_BLUE2, 1); + } + + saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; +} + +void __led_init(led_id_t mask, int state) +{ + __led_set(mask, state); +} + +void __led_toggle(led_id_t mask) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE]) + blue_LED_off(); + else + blue_LED_on(); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) + red_LED_off(); + else + red_LED_on(); + } +} + +void __led_set(led_id_t mask, int state) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == state) + blue_LED_on(); + else + blue_LED_off(); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == state) + red_LED_on(); + else + red_LED_off(); + } +}