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58484632eb
This uses the new b100/e100 common core and FIFO control modules. Subsequent commit will be the compatible FPGA merge. Conflicts: host/lib/usrp/e100/io_impl.cpp
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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/*
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* Copyright (C) 2010-2012 Ettus Research, LLC
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*
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* Written by Philip Balister <philip@opensdr.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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __USRP_E_H
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#define __USRP_E_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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struct usrp_e_ctl16 {
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__u32 offset;
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__u32 count;
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__u16 buf[20];
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};
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struct usrp_e_ctl32 {
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__u32 offset;
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__u32 count;
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__u32 buf[10];
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};
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#define USRP_E_IOC_MAGIC 'u'
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#define USRP_E_WRITE_CTL16 _IOW(USRP_E_IOC_MAGIC, 0x20, struct usrp_e_ctl16)
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#define USRP_E_READ_CTL16 _IOWR(USRP_E_IOC_MAGIC, 0x21, struct usrp_e_ctl16)
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#define USRP_E_WRITE_CTL32 _IOW(USRP_E_IOC_MAGIC, 0x22, struct usrp_e_ctl32)
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#define USRP_E_READ_CTL32 _IOWR(USRP_E_IOC_MAGIC, 0x23, struct usrp_e_ctl32)
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#define USRP_E_GET_RB_INFO _IOR(USRP_E_IOC_MAGIC, 0x27, struct usrp_e_ring_buffer_size_t)
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#define USRP_E_GET_COMPAT_NUMBER _IO(USRP_E_IOC_MAGIC, 0x28)
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#define USRP_E_COMPAT_NUMBER 4
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/* Flag defines */
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#define RB_USER (1<<0)
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#define RB_KERNEL (1<<1)
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#define RB_OVERRUN (1<<2)
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#define RB_DMA_ACTIVE (1<<3)
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#define RB_USER_PROCESS (1<<4)
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struct ring_buffer_info {
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int flags;
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int len;
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};
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struct usrp_e_ring_buffer_size_t {
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int num_pages_rx_flags;
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int num_rx_frames;
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int num_pages_tx_flags;
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int num_tx_frames;
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};
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#endif
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