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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 11:14:15 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:48 -0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-sa1100/include/mach/gpio.h
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-sa1100/include/mach/gpio.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
new file mode 100644
index 000000000000..582a0c92da53
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/gpio.h
@@ -0,0 +1,68 @@
1/*
2 * arch/arm/mach-sa1100/include/mach/gpio.h
3 *
4 * SA1100 GPIO wrappers for arch-neutral GPIO calls
5 *
6 * Written by Philipp Zabel <philipp.zabel@gmail.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#ifndef __ASM_ARCH_SA1100_GPIO_H
25#define __ASM_ARCH_SA1100_GPIO_H
26
27#include <mach/hardware.h>
28#include <asm/irq.h>
29#include <asm-generic/gpio.h>
30
31static inline int gpio_get_value(unsigned gpio)
32{
33 if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
34 return GPLR & GPIO_GPIO(gpio);
35 else
36 return __gpio_get_value(gpio);
37}
38
39static inline void gpio_set_value(unsigned gpio, int value)
40{
41 if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
42 if (value)
43 GPSR = GPIO_GPIO(gpio);
44 else
45 GPCR = GPIO_GPIO(gpio);
46 else
47 __gpio_set_value(gpio, value);
48}
49
50#define gpio_cansleep __gpio_cansleep
51
52static inline unsigned gpio_to_irq(unsigned gpio)
53{
54 if (gpio < 11)
55 return IRQ_GPIO0 + gpio;
56 else
57 return IRQ_GPIO11 - 11 + gpio;
58}
59
60static inline unsigned irq_to_gpio(unsigned irq)
61{
62 if (irq < IRQ_GPIO11_27)
63 return irq - IRQ_GPIO0;
64 else
65 return irq - IRQ_GPIO11 + 11;
66}
67
68#endif