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Release 4.11 drivers/staging/dgnc/dgnc_neo.h

/*
 * Copyright 2003 Digi International (www.digi.com)
 *      Scott H Kilau <Scott_Kilau at digi dot 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, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 */

#ifndef __DGNC_NEO_H

#define __DGNC_NEO_H

#include "dgnc_driver.h"

/*
 *      Per channel/port NEO UART structure
 *      Base Structure Entries Usage Meanings to Host
 *
 *      W = read write          R = read only
 *                      U = Unused.
 */


struct neo_uart_struct {
	
u8 txrx;	/* WR  RHR/THR - Holding Reg */
	
u8 ier;		/* WR  IER - Interrupt Enable Reg */
	
u8 isr_fcr;	/* WR  ISR/FCR - Interrupt Status Reg/Fifo
                         * Control Reg
                         */
	
u8 lcr;		/* WR  LCR - Line Control Reg */
	
u8 mcr;		/* WR  MCR - Modem Control Reg */
	
u8 lsr;		/* WR  LSR - Line Status Reg */
	
u8 msr;		/* WR  MSR - Modem Status Reg */
	
u8 spr;		/* WR  SPR - Scratch Pad Reg */
	
u8 fctr;	/* WR  FCTR - Feature Control Reg */
	
u8 efr;		/* WR  EFR - Enhanced Function Reg */
	
u8 tfifo;	/* WR  TXCNT/TXTRG - Transmit FIFO Reg */
	
u8 rfifo;	/* WR  RXCNT/RXTRG - Receive  FIFO Reg */
	
u8 xoffchar1;	/* WR  XOFF 1 - XOff Character 1 Reg */
	
u8 xoffchar2;	/* WR  XOFF 2 - XOff Character 2 Reg */
	
u8 xonchar1;	/* WR  XON 1 - Xon Character 1 Reg */
	
u8 xonchar2;	/* WR  XON 2 - XOn Character 2 Reg */

	
u8 reserved1[0x2ff - 0x200]; /* U   Reserved by Exar */
	
u8 txrxburst[64];	     /* RW  64 bytes of RX/TX FIFO Data */
	
u8 reserved2[0x37f - 0x340]; /* U   Reserved by Exar */
	
u8 rxburst_with_errors[64];  /* R  64 bytes of RX FIFO Data + LSR */
};

/* Where to read the extended interrupt register (32bits instead of 8bits) */

#define	UART_17158_POLL_ADDR_OFFSET	0x80

/* These are the current dvid's of the Neo boards */

#define UART_XR17C158_DVID 0x20

#define UART_XR17D158_DVID 0x20

#define UART_XR17E158_DVID 0x40


#define NEO_EECK  0x10		
/* Clock */

#define NEO_EECS  0x20		
/* Chip Select */

#define NEO_EEDI  0x40		
/* Data In  is an Output Pin */

#define NEO_EEDO  0x80		
/* Data Out is an Input Pin */

#define NEO_EEREG 0x8E		
/* offset to EEPROM control reg */


#define NEO_VPD_IMAGESIZE 0x40	
/* size of image to read from EEPROM in words */

#define NEO_VPD_IMAGEBYTES (NEO_VPD_IMAGESIZE * 2)

/*
 * These are the redefinitions for the FCTR on the XR17C158, since
 * Exar made them different than their earlier design. (XR16C854)
 */

/* These are only applicable when table D is selected */

#define UART_17158_FCTR_RTS_NODELAY	0x00

#define UART_17158_FCTR_RTS_4DELAY	0x01

#define UART_17158_FCTR_RTS_6DELAY	0x02

#define UART_17158_FCTR_RTS_8DELAY	0x03

#define UART_17158_FCTR_RTS_12DELAY	0x12

#define UART_17158_FCTR_RTS_16DELAY	0x05

#define UART_17158_FCTR_RTS_20DELAY	0x13

#define UART_17158_FCTR_RTS_24DELAY	0x06

#define UART_17158_FCTR_RTS_28DELAY	0x14

#define UART_17158_FCTR_RTS_32DELAY	0x07

#define UART_17158_FCTR_RTS_36DELAY	0x16

#define UART_17158_FCTR_RTS_40DELAY	0x08

#define UART_17158_FCTR_RTS_44DELAY	0x09

#define UART_17158_FCTR_RTS_48DELAY	0x10

#define UART_17158_FCTR_RTS_52DELAY	0x11


#define UART_17158_FCTR_RTS_IRDA	0x10

#define UART_17158_FCTR_RS485		0x20

#define UART_17158_FCTR_TRGA		0x00

#define UART_17158_FCTR_TRGB		0x40

#define UART_17158_FCTR_TRGC		0x80

#define UART_17158_FCTR_TRGD		0xC0

/* 17158 trigger table selects.. */

#define UART_17158_FCTR_BIT6		0x40

#define UART_17158_FCTR_BIT7		0x80

/* 17158 TX/RX memmapped buffer offsets */

#define UART_17158_RX_FIFOSIZE		64

#define UART_17158_TX_FIFOSIZE		64

/* 17158 Extended IIR's */

#define UART_17158_IIR_RDI_TIMEOUT	0x0C	
/* Receiver data TIMEOUT */

#define UART_17158_IIR_XONXOFF		0x10	
/* Received an XON/XOFF char */

#define UART_17158_IIR_HWFLOW_STATE_CHANGE 0x20	
/* CTS/DSR or RTS/DTR
                                                 * state change
                                                 */

#define UART_17158_IIR_FIFO_ENABLED	0xC0	
/* 16550 FIFOs are Enabled */

/*
 * These are the extended interrupts that get sent
 * back to us from the UART's 32bit interrupt register
 */

#define UART_17158_RX_LINE_STATUS	0x1	
/* RX Ready */

#define UART_17158_RXRDY_TIMEOUT	0x2	
/* RX Ready Timeout */

#define UART_17158_TXRDY		0x3	
/* TX Ready */

#define UART_17158_MSR			0x4	
/* Modem State Change */

#define UART_17158_TX_AND_FIFO_CLR	0x40	
/* Transmitter Holding
                                                 * Reg Empty
                                                 */

#define UART_17158_RX_FIFO_DATA_ERROR	0x80	
/* UART detected an RX FIFO
                                                 * Data error
                                                 */

/*
 * These are the EXTENDED definitions for the 17C158's Interrupt
 * Enable Register.
 */

#define UART_17158_EFR_ECB	0x10	
/* Enhanced control bit */

#define UART_17158_EFR_IXON	0x2	
/* Receiver compares Xon1/Xoff1 */

#define UART_17158_EFR_IXOFF	0x8	
/* Transmit Xon1/Xoff1 */

#define UART_17158_EFR_RTSDTR	0x40	
/* Auto RTS/DTR Flow Control Enable */

#define UART_17158_EFR_CTSDSR	0x80	
/* Auto CTS/DSR Flow Control Enable */


#define UART_17158_XOFF_DETECT	0x1	
/* Indicates whether chip saw an
                                         * incoming XOFF char
                                         */

#define UART_17158_XON_DETECT	0x2	
/* Indicates whether chip saw an
                                         * incoming XON char
                                         */


#define UART_17158_IER_RSVD1	0x10	
/* Reserved by Exar */

#define UART_17158_IER_XOFF	0x20	
/* Xoff Interrupt Enable */

#define UART_17158_IER_RTSDTR	0x40	
/* Output Interrupt Enable */

#define UART_17158_IER_CTSDSR	0x80	
/* Input Interrupt Enable */

/* Our Global Variables */

extern struct board_ops dgnc_neo_ops;

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Lidza Louina37397.14%228.57%
Fernando Apesteguia61.56%114.29%
Walt Feasel30.78%228.57%
Giedrius Statkevičius10.26%114.29%
Masanari Iida10.26%114.29%
Total384100.00%7100.00%
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