mirror of
https://github.com/fairwaves/UHD-Fairwaves.git
synced 2025-11-03 21:43:15 +00:00
89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
|
|
/*
|
|
* Copyright (C) 2010 Ettus Research, LLC
|
|
*
|
|
* Written by Philip Balister <philip@opensdr.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __USRP_E_H
|
|
#define __USRP_E_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/ioctl.h>
|
|
|
|
struct usrp_e_ctl16 {
|
|
__u32 offset;
|
|
__u32 count;
|
|
__u16 buf[20];
|
|
};
|
|
|
|
struct usrp_e_ctl32 {
|
|
__u32 offset;
|
|
__u32 count;
|
|
__u32 buf[10];
|
|
};
|
|
|
|
/* SPI interface */
|
|
|
|
#define UE_SPI_TXONLY 0
|
|
#define UE_SPI_TXRX 1
|
|
|
|
/* Defines for spi ctrl register */
|
|
#define UE_SPI_CTRL_TXNEG (1 << 10)
|
|
#define UE_SPI_CTRL_RXNEG (1 << 9)
|
|
|
|
#define UE_SPI_PUSH_RISE 0
|
|
#define UE_SPI_PUSH_FALL UE_SPI_CTRL_TXNEG
|
|
#define UE_SPI_LATCH_RISE 0
|
|
#define UE_SPI_LATCH_FALL UE_SPI_CTRL_RXNEG
|
|
|
|
struct usrp_e_spi {
|
|
__u8 readback;
|
|
__u32 slave;
|
|
__u32 data;
|
|
__u32 length;
|
|
__u32 flags;
|
|
};
|
|
|
|
struct usrp_e_i2c {
|
|
__u8 addr;
|
|
__u32 len;
|
|
__u8 data[];
|
|
};
|
|
|
|
#define USRP_E_IOC_MAGIC 'u'
|
|
#define USRP_E_WRITE_CTL16 _IOW(USRP_E_IOC_MAGIC, 0x20, struct usrp_e_ctl16)
|
|
#define USRP_E_READ_CTL16 _IOWR(USRP_E_IOC_MAGIC, 0x21, struct usrp_e_ctl16)
|
|
#define USRP_E_WRITE_CTL32 _IOW(USRP_E_IOC_MAGIC, 0x22, struct usrp_e_ctl32)
|
|
#define USRP_E_READ_CTL32 _IOWR(USRP_E_IOC_MAGIC, 0x23, struct usrp_e_ctl32)
|
|
#define USRP_E_SPI _IOWR(USRP_E_IOC_MAGIC, 0x24, struct usrp_e_spi)
|
|
#define USRP_E_I2C_READ _IOWR(USRP_E_IOC_MAGIC, 0x25, struct usrp_e_i2c)
|
|
#define USRP_E_I2C_WRITE _IOW(USRP_E_IOC_MAGIC, 0x26, struct usrp_e_i2c)
|
|
|
|
/* Data transfer frame definition */
|
|
|
|
struct usrp_transfer_frame {
|
|
__u32 status;
|
|
__u32 len;
|
|
__u8 buf[];
|
|
};
|
|
|
|
/* Flag defines */
|
|
#define RB_USER (1 << 0)
|
|
#define RB_KERNEL (1 << 1)
|
|
#define RB_OVERRUN (1 << 2)
|
|
#define RB_DMA_ACTIVE (1 << 3)
|
|
|
|
struct ring_buffer_entry {
|
|
unsigned int flags;
|
|
unsigned long dma_addr;
|
|
struct usrp_transfer_frame *frame_addr;
|
|
};
|
|
|
|
#endif
|