56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#ifndef __CVI_WIEGAND_GPIO_H__
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#define __CVI_WIEGAND_GPIO_H__
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#include <linux/cdev.h>
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#include <linux/completion.h>
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#include <linux/wait.h>
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#include <linux/list.h>
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#define IOCTL_BASE 'W'
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#define IOCTL_WGN_SET_TX_CFG _IO(IOCTL_BASE, 1)
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#define IOCTL_WGN_SET_RX_CFG _IO(IOCTL_BASE, 2)
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#define IOCTL_WGN_TX _IO(IOCTL_BASE, 3)
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#define IOCTL_WGN_RX _IO(IOCTL_BASE, 4)
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#define WDIN0 0
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#define WDIN1 1
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#define WDOUT0 2
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#define WDOUT1 3
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#define GPIO_NUM_MIN 404
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#define GPIO_NUM_MAX 511
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#define BITCOUNT_26 26
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#define BITCOUNT_34 34
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#define MAX_WIEGAND_BYTES 6
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struct wgn_tx_cfg {
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uint32_t tx_lowtime; //us
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uint32_t tx_hightime; //ms
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uint32_t tx_bitcount; //26 or 34
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uint32_t tx_msb1st;
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};
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struct wgn_rx_cfg {
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uint32_t rx_idle_timeout; //ms
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uint32_t rx_bitcount; //26 or 34
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uint32_t rx_msb1st;
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};
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struct cvi_wiegand_device {
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struct device *dev;
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struct cdev cdev;
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spinlock_t close_lock;
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int startParity;
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int endParity;
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char buffer[MAX_WIEGAND_BYTES];
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int currentBit;
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unsigned int FacilityCode;
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unsigned int UserCode;
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int use_count;
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uint64_t tx_data;
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};
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#endif /* __CVI_WIEGAND_GPIO_H__ */
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