| 1 | /* |
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| 2 | * FILE NAME ite_gpio.h |
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| 3 | * |
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| 4 | * BRIEF MODULE DESCRIPTION |
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| 5 | * Generic gpio. |
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| 6 | * |
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| 7 | * Author: MontaVista Software, Inc. <source@mvista.com> |
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| 8 | * Hai-Pao Fan <haipao@mvista.com> |
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| 9 | * |
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| 10 | * Copyright 2001 MontaVista Software Inc. |
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| 11 | * |
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| 12 | * This program is free software; you can redistribute it and/or modify it |
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| 13 | * under the terms of the GNU General Public License as published by the |
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| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
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| 15 | * option) any later version. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
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| 20 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| 23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
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| 24 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | * |
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| 28 | * You should have received a copy of the GNU General Public License along |
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| 29 | * with this program; if not, write to the Free Software Foundation, Inc., |
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| 30 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 31 | */ |
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| 32 | |
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| 33 | #ifndef __ITE_GPIO_H |
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| 34 | #define __ITE_GPIO_H |
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| 35 | |
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| 36 | #include <asm/types.h> |
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| 37 | |
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| 38 | #include <linux/ioctl.h> |
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| 39 | |
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| 40 | struct ite_gpio_ioctl_data { |
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| 41 | __u32 device; |
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| 42 | __u32 mask; |
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| 43 | __u32 data; |
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| 44 | }; |
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| 45 | |
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| 46 | #define ITE_GPIO_IOCTL_BASE 'Z' |
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| 47 | |
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| 48 | #define ITE_GPIO_IN _IOWR(ITE_GPIO_IOCTL_BASE, 0, struct ite_gpio_ioctl_data) |
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| 49 | #define ITE_GPIO_OUT _IOW (ITE_GPIO_IOCTL_BASE, 1, struct ite_gpio_ioctl_data) |
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| 50 | #define ITE_GPIO_INT_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 2, struct ite_gpio_ioctl_data) |
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| 51 | #define ITE_GPIO_IN_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 3, struct ite_gpio_ioctl_data) |
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| 52 | #define ITE_GPIO_OUT_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 4, struct ite_gpio_ioctl_data) |
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| 53 | #define ITE_GPIO_GEN_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 5, struct ite_gpio_ioctl_data) |
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| 54 | #define ITE_GPIO_INT_WAIT _IOW (ITE_GPIO_IOCTL_BASE, 6, struct ite_gpio_ioctl_data) |
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| 55 | |
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| 56 | #define ITE_GPIO_PORTA 0x01 |
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| 57 | #define ITE_GPIO_PORTB 0x02 |
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| 58 | #define ITE_GPIO_PORTC 0x04 |
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| 59 | |
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| 60 | extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data); |
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| 61 | extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data); |
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| 62 | extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data); |
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| 63 | extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data); |
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| 64 | extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data); |
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| 65 | extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data); |
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| 66 | extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data); |
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| 67 | |
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| 68 | #endif |
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