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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 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/bigsur/led.c | ||
3 | * | ||
4 | * By Dustin McIntire (dustin@sensoria.com) (c)2001 | ||
5 | * Derived from led_se.c and led.c, which bore the message: | ||
6 | * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> | ||
7 | * | ||
8 | * May be copied or modified under the terms of the GNU General Public | ||
9 | * License. See linux/COPYING for more information. | ||
10 | * | ||
11 | * This file contains Big Sur specific LED code. | ||
12 | */ | ||
13 | |||
14 | #include <asm/io.h> | ||
15 | #include <asm/bigsur/bigsur.h> | ||
16 | |||
17 | static void mach_led(int position, int value) | ||
18 | { | ||
19 | int word; | ||
20 | |||
21 | word = bigsur_inl(BIGSUR_CSLR); | ||
22 | if (value) { | ||
23 | bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR); | ||
24 | } else { | ||
25 | bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR); | ||
26 | } | ||
27 | } | ||
28 | |||
29 | #ifdef CONFIG_HEARTBEAT | ||
30 | |||
31 | #include <linux/sched.h> | ||
32 | |||
33 | /* Cycle the LED on/off */ | ||
34 | void heartbeat_bigsur(void) | ||
35 | { | ||
36 | static unsigned cnt = 0, period = 0, dist = 0; | ||
37 | |||
38 | if (cnt == 0 || cnt == dist) | ||
39 | mach_led( -1, 1); | ||
40 | else if (cnt == 7 || cnt == dist+7) | ||
41 | mach_led( -1, 0); | ||
42 | |||
43 | if (++cnt > period) { | ||
44 | cnt = 0; | ||
45 | /* The hyperbolic function below modifies the heartbeat period | ||
46 | * length in dependency of the current (5min) load. It goes | ||
47 | * through the points f(0)=126, f(1)=86, f(5)=51, | ||
48 | * f(inf)->30. */ | ||
49 | period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; | ||
50 | dist = period / 4; | ||
51 | } | ||
52 | } | ||
53 | #endif /* CONFIG_HEARTBEAT */ | ||
54 | |||