blob: 1784fde2e28fc3ae4f69d338863c907148c56ba1 [file] [log] [blame]
Aurelien Jarno34cc6622007-09-25 15:42:09 +02001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
7 */
8
9#ifndef __BCM47XX_GPIO_H
10#define __BCM47XX_GPIO_H
11
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020012#include <linux/ssb/ssb_embedded.h>
13#include <asm/mach-bcm47xx/bcm47xx.h>
14
Aurelien Jarno34cc6622007-09-25 15:42:09 +020015#define BCM47XX_EXTIF_GPIO_LINES 5
16#define BCM47XX_CHIPCO_GPIO_LINES 16
17
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020018extern int gpio_request(unsigned gpio, const char *label);
19extern void gpio_free(unsigned gpio);
20extern int gpio_to_irq(unsigned gpio);
Aurelien Jarno34cc6622007-09-25 15:42:09 +020021
22static inline int gpio_get_value(unsigned gpio)
23{
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020024 return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio);
Aurelien Jarno34cc6622007-09-25 15:42:09 +020025}
26
27static inline void gpio_set_value(unsigned gpio, int value)
28{
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020029 ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0);
Aurelien Jarno34cc6622007-09-25 15:42:09 +020030}
31
32static inline int gpio_direction_input(unsigned gpio)
33{
Michael Buesche0f7ad52009-03-31 15:23:49 -070034 ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0);
35 return 0;
Aurelien Jarno34cc6622007-09-25 15:42:09 +020036}
37
38static inline int gpio_direction_output(unsigned gpio, int value)
39{
Michael Buesche0f7ad52009-03-31 15:23:49 -070040 ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio);
41 return 0;
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020042}
43
Michael Buesche0f7ad52009-03-31 15:23:49 -070044static inline int gpio_intmask(unsigned gpio, int value)
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020045{
Michael Buesche0f7ad52009-03-31 15:23:49 -070046 ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio,
47 value ? 1 << gpio : 0);
48 return 0;
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020049}
50
Michael Buesche0f7ad52009-03-31 15:23:49 -070051static inline int gpio_polarity(unsigned gpio, int value)
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020052{
Michael Buesche0f7ad52009-03-31 15:23:49 -070053 ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio,
54 value ? 1 << gpio : 0);
55 return 0;
Aurelien Jarno34cc6622007-09-25 15:42:09 +020056}
57
58
59/* cansleep wrappers */
60#include <asm-generic/gpio.h>
61
62#endif /* __BCM47XX_GPIO_H */