qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

[ifxmips] implement gpiolib drivers for core gpio and ebu attached latches

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20418 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2010-03-25 11:50:46 +00:00
parent c4a3b1979a
commit dd98c76b9a
7 changed files with 501 additions and 258 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h
View File

@@ -1,105 +0,0 @@
/*
* include/asm-mips/mach-ifxmips/gpio.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*
*/
#ifndef _IFXMIPS_GPIO_H_
#define _IFXMIPS_GPIO_H_
#include <ifxmips.h>
#include <ifxmips_gpio.h>
#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0))
#define GPIO_TO_GPIO(x) ((x > 15) ? (x-16) : (x))
static inline int gpio_direction_input(unsigned gpio)
{
ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
return 0;
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
ifxmips_port_clear_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
ifxmips_port_set_dir_out(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
return 0;
}
static inline int gpio_get_value(unsigned gpio)
{
ifxmips_port_get_input(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
return 0;
}
static inline void gpio_set_value(unsigned gpio, int value)
{
if (value)
ifxmips_port_set_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
else
ifxmips_port_clear_output(GPIO_TO_PORT(gpio),
GPIO_TO_GPIO(gpio));
}
static inline int gpio_request(unsigned gpio, const char *label)
{
return 0;
}
static inline void gpio_free(unsigned gpio)
{
}
static inline int gpio_to_irq(unsigned gpio)
{
return 0;
}
static inline int irq_to_gpio(unsigned irq)
{
return 0;
}
static inline int gpio_cansleep(unsigned gpio)
{
return 0;
}
static inline int gpio_get_value_cansleep(unsigned gpio)
{
might_sleep();
return gpio_get_value(gpio);
}
static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
might_sleep();
gpio_set_value(gpio, value);
}
static inline int gpio_is_valid(int number)
{
return ((unsigned)number) < 32;
}
#endif

7
target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h
View File

@@ -66,8 +66,11 @@
#define IFXMIPS_PPE_MBOX_INT (INT_NUM_IM2_IRL0 + 24)
#define IFXMIPS_USB_INT (INT_NUM_IM4_IRL0 + 22)
#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23)
#define INT_NUM_IM4_IRL14 (INT_NUM_IM4_IRL0 + 14)
#define INT_NUM_IM4_IRL18 (INT_NUM_IM4_IRL0 + 18)
#define INT_NUM_IM4_IRL19 (INT_NUM_IM4_IRL0 + 19)
#define IFXMIPS_USB_INT (INT_NUM_IM4_IRL0 + 22)
#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23)
extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);