diff options
Diffstat (limited to 'arch/sh/boards/bigsur/led.c')
| -rw-r--r-- | arch/sh/boards/bigsur/led.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/sh/boards/bigsur/led.c b/arch/sh/boards/bigsur/led.c deleted file mode 100644 index d221439aafcc..000000000000 --- a/arch/sh/boards/bigsur/led.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * linux/arch/sh/boards/bigsur/led.c - * - * By Dustin McIntire (dustin@sensoria.com) (c)2001 - * Derived from led_se.c and led.c, which bore the message: - * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * This file contains Big Sur specific LED code. - */ - -#include <asm/io.h> -#include <asm/bigsur/bigsur.h> - -static void mach_led(int position, int value) -{ - int word; - - word = bigsur_inl(BIGSUR_CSLR); - if (value) { - bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR); - } else { - bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR); - } -} - -#ifdef CONFIG_HEARTBEAT - -#include <linux/sched.h> - -/* Cycle the LED on/off */ -void heartbeat_bigsur(void) -{ - static unsigned cnt = 0, period = 0, dist = 0; - - if (cnt == 0 || cnt == dist) - mach_led( -1, 1); - else if (cnt == 7 || cnt == dist+7) - mach_led( -1, 0); - - if (++cnt > period) { - cnt = 0; - /* The hyperbolic function below modifies the heartbeat period - * length in dependency of the current (5min) load. It goes - * through the points f(0)=126, f(1)=86, f(5)=51, - * f(inf)->30. */ - period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; - dist = period / 4; - } -} -#endif /* CONFIG_HEARTBEAT */ - |