mirror of
https://github.com/ElvishArtisan/rivendell.git
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698b475933
* Removed all CVS tags. * Removed 'const char *name' parameter from all QObject contructors.
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
// gpio.h
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//
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// A device driver for MeasurementComputing GPIO cards.
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//
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// Copyright 2002-2003,2016 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#ifndef GPIO_H
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#define GPIO_H
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#include <linux/ioctl.h>
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/*
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* For non-Automake only
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*/
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#define GPIO_DEV_MAJOR 125
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/*
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* Modes
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*/
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#define GPIO_MODE_AUTO 0
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#define GPIO_MODE_INPUT 1
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#define GPIO_MODE_OUTPUT 2
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/*
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* Device Capability Flags
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*/
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#define GPIO_CAP_FILTER 0x00000001
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#define GPIO_CAP_MODE 0x00000002
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struct gpio_info {
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char name[48]; // Model/Description of board
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int mode; // Board Mode (PCI-DIO24 only)
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int inputs; // Number of input lines
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int outputs; // Number of output lines
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int samples; // Number of analog sample channels
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int depth; // Number of sample bits per analog channel
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unsigned caps; // Device capabilities
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};
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struct gpio_mask {
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unsigned mask[4];
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};
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struct gpio_line {
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int line; // The number of the output line (0 - 127)
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int state; // 0 = Off, 1 = On
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};
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struct gpio_sample {
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int line; // The number of the input line (0 - 127)
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int gain; // Channel gain, value 0 - 3
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unsigned sample; // The sample value
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};
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/*
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* IOCTLS
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*/
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#define GPIO_IOCTL_MAGIC 0xfd
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#ifdef KERNEL_2_4
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#define GPIO_GETINFO _IOR(GPIO_IOCTL_MAGIC,1,sizeof(struct gpio_info))
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#define GPIO_SETMODE _IOW(GPIO_IOCTL_MAGIC,2,sizeof(unsigned))
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#define GPIO_GET_INPUTS _IOR(GPIO_IOCTL_MAGIC,3,sizeof(struct gpio_mask))
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#define GPIO_GET_OUTPUTS _IOR(GPIO_IOCTL_MAGIC,4,sizeof(struct gpio_mask))
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#define GPIO_GET_FILTERS _IOR(GPIO_IOCTL_MAGIC,5,sizeof(struct gpio_mask))
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#define GPIO_SET_OUTPUT _IOW(GPIO_IOCTL_MAGIC,6,sizeof(struct gpio_line))
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#define GPIO_SET_FILTER _IOW(GPIO_IOCTL_MAGIC,7,sizeof(struct gpio_line))
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#define GPIO_SET_OUTPUTS _IOW(GPIO_IOCTL_MAGIC,8,sizeof(struct gpio_mask))
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#define GPIO_SET_FILTERS _IOW(GPIO_IOCTL_MAGIC,9,sizeof(struct gpio_mask))
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#define GPIO_GET_SAMPLE _IOWR(GPIO_IOCTL_MAGIC,10,sizeof(struct gpio_sample))
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#else
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#define GPIO_GETINFO _IOR(GPIO_IOCTL_MAGIC,1,struct gpio_info)
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#define GPIO_SETMODE _IOW(GPIO_IOCTL_MAGIC,2,unsigned)
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#define GPIO_GET_INPUTS _IOR(GPIO_IOCTL_MAGIC,3,struct gpio_mask)
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#define GPIO_GET_OUTPUTS _IOR(GPIO_IOCTL_MAGIC,4,struct gpio_mask)
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#define GPIO_GET_FILTERS _IOR(GPIO_IOCTL_MAGIC,5,struct gpio_mask)
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#define GPIO_SET_OUTPUT _IOW(GPIO_IOCTL_MAGIC,6,struct gpio_line)
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#define GPIO_SET_FILTER _IOW(GPIO_IOCTL_MAGIC,7,struct gpio_line)
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#define GPIO_SET_OUTPUTS _IOW(GPIO_IOCTL_MAGIC,8,struct gpio_mask)
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#define GPIO_SET_FILTERS _IOW(GPIO_IOCTL_MAGIC,9,struct gpio_mask)
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#define GPIO_GET_SAMPLE _IOWR(GPIO_IOCTL_MAGIC,10,struct gpio_sample)
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#endif // KERNEL_2_4
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#ifdef __KERNEL__
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#include <linux/autoconf.h>
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#include <linux/module.h>
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#include <asm/io.h>
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#include <linux/pci.h>
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#include <linux/ioport.h>
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#ifndef CONFIG_PCI
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#error "No PCI Support Present"
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#endif
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/*
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* Driver Defines
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*/
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#define GPIO_MAX_CARDS 8
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#define GPIO_CBOARDS_VENDOR_ID 0x1307
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#define GPIO_PCI_DIO24_DEVICE_ID 0x0028
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#define GPIO_PCI_PDISO8_DEVICE_ID 0x000C
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#define GPIO_PCI_PDISO16_DEVICE_ID 0x000D
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#define GPIO_PCI_DAS1000_DEVICE_ID 0x004C
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#endif // __KERNEL__
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#endif // GPIO_H
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