diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:53:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:53:43 -0700 |
| commit | 00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch) | |
| tree | 2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/include/asm/hd64465/gpio.h | |
| parent | 57b1494d2ba544c62673234da6115c21fac27ffc (diff) | |
| parent | 7cb93181629c613ee2b8f4ffe3446f8003074842 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits)
mm/hugetlb.c must #include <asm/io.h>
video: Fix up hp6xx driver build regressions.
sh: defconfig updates.
sh: Kill off stray mach-rsk7203 reference.
serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression.
sh: Move out individual boards without mach groups.
sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h.
sh: Allow SH-3 and SH-5 to use common headers.
sh: Provide common CPU headers, prune the SH-2 and SH-2A directories.
sh/maple: clean maple bus code
sh: More header path fixups for mach dir refactoring.
sh: Move out the solution engine headers to arch/sh/include/mach-se/
sh: I2C fix for AP325RXA and Migo-R
sh: Shuffle the board directories in to mach groups.
sh: dma-sh: Fix up dreamcast dma.h mach path.
sh: Switch KBUILD_DEFCONFIG to shx3_defconfig.
sh: Add ARCH_DEFCONFIG entries for sh and sh64.
sh: Fix compile error of Solution Engine
sh: Proper __put_user_asm() size mismatch fix.
sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation.
...
Diffstat (limited to 'arch/sh/include/asm/hd64465/gpio.h')
| -rw-r--r-- | arch/sh/include/asm/hd64465/gpio.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/sh/include/asm/hd64465/gpio.h b/arch/sh/include/asm/hd64465/gpio.h new file mode 100644 index 00000000000..a3cdca2713d --- /dev/null +++ b/arch/sh/include/asm/hd64465/gpio.h @@ -0,0 +1,46 @@ +#ifndef _ASM_SH_HD64465_GPIO_ +#define _ASM_SH_HD64465_GPIO_ 1 +/* + * $Id: gpio.h,v 1.3 2003/05/04 19:30:14 lethal Exp $ + * + * Hitachi HD64465 companion chip: General Purpose IO pins support. + * This layer enables other device drivers to configure GPIO + * pins, get and set their values, and register an interrupt + * routine for when input pins change in hardware. + * + * by Greg Banks <gbanks@pocketpenguins.com> + * (c) 2000 PocketPenguins Inc. + */ +#include <asm/hd64465.h> + +/* Macro to construct a portpin number (used in all + * subsequent functions) from a port letter and a pin + * number, e.g. HD64465_GPIO_PORTPIN('A', 5). + */ +#define HD64465_GPIO_PORTPIN(port,pin) (((port)-'A')<<3|(pin)) + +/* Pin configuration constants for _configure() */ +#define HD64465_GPIO_FUNCTION2 0 /* use the pin's *other* function */ +#define HD64465_GPIO_OUT 1 /* output */ +#define HD64465_GPIO_IN_PULLUP 2 /* input, pull-up MOS on */ +#define HD64465_GPIO_IN 3 /* input */ + +/* Configure a pin's direction */ +extern void hd64465_gpio_configure(int portpin, int direction); + +/* Get, set value */ +extern void hd64465_gpio_set_pin(int portpin, unsigned int value); +extern unsigned int hd64465_gpio_get_pin(int portpin); +extern void hd64465_gpio_set_port(int port, unsigned int value); +extern unsigned int hd64465_gpio_get_port(int port); + +/* mode constants for _register_irq() */ +#define HD64465_GPIO_FALLING 0 +#define HD64465_GPIO_RISING 1 + +/* Interrupt on external value change */ +extern void hd64465_gpio_register_irq(int portpin, int mode, + void (*handler)(int portpin, void *dev), void *dev); +extern void hd64465_gpio_unregister_irq(int portpin); + +#endif /* _ASM_SH_HD64465_GPIO_ */ |