diff options
Diffstat (limited to 'include/linux/ite_gpio.h')
| -rw-r--r-- | include/linux/ite_gpio.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/linux/ite_gpio.h b/include/linux/ite_gpio.h new file mode 100644 index 000000000..b123a1429 --- /dev/null +++ b/include/linux/ite_gpio.h @@ -0,0 +1,66 @@ +/* + * FILE NAME ite_gpio.h + * + * BRIEF MODULE DESCRIPTION + * Generic gpio. + * + * Author: MontaVista Software, Inc. <source@mvista.com> + * Hai-Pao Fan <haipao@mvista.com> + * + * Copyright 2001 MontaVista Software Inc. + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ITE_GPIO_H +#define __ITE_GPIO_H + +#include <linux/ioctl.h> + +struct ite_gpio_ioctl_data { + __u32 device; + __u32 mask; + __u32 data; +}; + +#define ITE_GPIO_IOCTL_BASE 'Z' + +#define ITE_GPIO_IN _IOWR(ITE_GPIO_IOCTL_BASE, 0, struct ite_gpio_ioctl_data) +#define ITE_GPIO_OUT _IOW (ITE_GPIO_IOCTL_BASE, 1, struct ite_gpio_ioctl_data) +#define ITE_GPIO_INT_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 2, struct ite_gpio_ioctl_data) +#define ITE_GPIO_IN_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 3, struct ite_gpio_ioctl_data) +#define ITE_GPIO_OUT_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 4, struct ite_gpio_ioctl_data) +#define ITE_GPIO_GEN_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 5, struct ite_gpio_ioctl_data) +#define ITE_GPIO_INT_WAIT _IOW (ITE_GPIO_IOCTL_BASE, 6, struct ite_gpio_ioctl_data) + +#define ITE_GPIO_PORTA 0x01 +#define ITE_GPIO_PORTB 0x02 +#define ITE_GPIO_PORTC 0x04 + +extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data); +extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data); +extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data); +extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data); +extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data); +extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data); +extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data); + +#endif |