/* * linux/arch/arm/mach-omap/leds-perseus2.c * * Copyright 2003 by Texas Instruments Incorporated * */ #include #include #include #include #include #include #include #include #include #include "leds.h" void perseus2_leds_event(led_event_t evt) { unsigned long flags; static unsigned long hw_led_state = 0; local_irq_save(flags); switch (evt) { case led_start: hw_led_state |= OMAP730_FPGA_LED_STARTSTOP; break; case led_stop: hw_led_state &= ~OMAP730_FPGA_LED_STARTSTOP; break; case led_claim: hw_led_state |= OMAP730_FPGA_LED_CLAIMRELEASE; break; case led_release: hw_led_state &= ~OMAP730_FPGA_LED_CLAIMRELEASE; break; #ifdef CONFIG_LEDS_TIMER case led_timer: /* * Toggle Timer LED */ if (hw_led_state & OMAP730_FPGA_LED_TIMER) hw_led_state &= ~OMAP730_FPGA_LED_TIMER; else hw_led_state |= OMAP730_FPGA_LED_TIMER; break; #endif #ifdef CONFIG_LEDS_CPU case led_idle_start: hw_led_state |= OMAP730_FPGA_LED_IDLE; break; case led_idle_end: hw_led_state &= ~OMAP730_FPGA_LED_IDLE; break; #endif case led_halted: if (hw_led_state & OMAP730_FPGA_LED_HALTED) hw_led_state &= ~OMAP730_FPGA_LED_HALTED; else hw_led_state |= OMAP730_FPGA_LED_HALTED; break; case led_green_on: break; case led_green_off: break; case led_amber_on: break; case led_amber_off: break; case led_red_on: break; case led_red_off: break; default: break; } /* * Actually burn the LEDs */ omap_writew(~hw_led_state & 0xffff, OMAP730_FPGA_LEDS); local_irq_restore(flags); }