diff options
Diffstat (limited to 'arch/nios/include/asm/status_led.h')
-rw-r--r-- | arch/nios/include/asm/status_led.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/arch/nios/include/asm/status_led.h b/arch/nios/include/asm/status_led.h deleted file mode 100644 index 241c917688..0000000000 --- a/arch/nios/include/asm/status_led.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net> - * Stephan Linz <linz@li-pro.net> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 - * - * asm-nios/status_led.h - * - * NIOS PIO based status led support functions - */ - -#ifndef __ASM_STATUS_LED_H__ -#define __ASM_STATUS_LED_H__ - -#include <nios-io.h> - -/* led_id_t is unsigned int mask */ -typedef unsigned int led_id_t; - -#ifdef STATUS_LED_WRONLY /* emulate read access */ -static led_id_t __led_portval = 0; -#endif - -static inline void __led_init (led_id_t mask, int state) -{ - nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE; - -#ifdef STATUS_LED_WRONLY /* emulate read access */ - -#if (STATUS_LED_ACTIVE == 0) - if (state == STATUS_LED_ON) - __led_portval &= ~mask; - else - __led_portval |= mask; -#else - if (state == STATUS_LED_ON) - __led_portval |= mask; - else - __led_portval &= ~mask; -#endif - - piop->data = __led_portval; - -#else /* !STATUS_LED_WRONLY */ - -#if (STATUS_LED_ACTIVE == 0) - if (state == STATUS_LED_ON) - piop->data &= ~mask; - else - piop->data |= mask; -#else - if (state == STATUS_LED_ON) - piop->data |= mask; - else - piop->data &= ~mask; -#endif - - piop->direction |= mask; - -#endif /* STATUS_LED_WRONLY */ -} - -static inline void __led_toggle (led_id_t mask) -{ - nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE; - -#ifdef STATUS_LED_WRONLY /* emulate read access */ - - __led_portval ^= mask; - piop->data = __led_portval; - -#else /* !STATUS_LED_WRONLY */ - - piop->data ^= mask; - -#endif /* STATUS_LED_WRONLY */ -} - -static inline void __led_set (led_id_t mask, int state) -{ - nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE; - -#ifdef STATUS_LED_WRONLY /* emulate read access */ - -#if (STATUS_LED_ACTIVE == 0) - if (state == STATUS_LED_ON) - __led_portval &= ~mask; - else - __led_portval |= mask; -#else - if (state == STATUS_LED_ON) - __led_portval |= mask; - else - __led_portval &= ~mask; -#endif - - piop->data = __led_portval; - -#else /* !STATUS_LED_WRONLY */ - -#if (STATUS_LED_ACTIVE == 0) - if (state == STATUS_LED_ON) - piop->data &= ~mask; - else - piop->data |= mask; -#else - if (state == STATUS_LED_ON) - piop->data |= mask; - else - piop->data &= ~mask; -#endif - -#endif /* STATUS_LED_WRONLY */ -} - -#endif /* __ASM_STATUS_LED_H__ */ |