/* * 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_CLS_H #define __DGNC_CLS_H /************************************************************************ * Per channel/port Classic UART structure * ************************************************************************ * Base Structure Entries Usage Meanings to Host * * * * W = read write R = read only * * U = Unused. * ************************************************************************/ /* * txrx : WR RHR/THR - Holding reg * ier : WR IER - Interrupt Enable Reg * isr_fcr : WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg * lcr : WR LCR - Line Control Reg * mcr : WR MCR - Modem Control Reg * lsr : WR LSR - Line Status Reg * msr : WR MSG - Modem Status Reg * spr : WR SPR - Scratch pad Reg */ struct cls_uart_struct { u8 txrx; u8 ier; u8 isr_fcr; u8 lcr; u8 mcr; u8 lsr; u8 msr; u8 spr; }; /* Where to read the interrupt register (8bits) */ #define UART_CLASSIC_POLL_ADDR_OFFSET 0x40 #define UART_EXAR654_ENHANCED_REGISTER_SET 0xBF #define UART_16654_FCR_TXTRIGGER_16 0x10 #define UART_16654_FCR_RXTRIGGER_16 0x40 #define UART_16654_FCR_RXTRIGGER_56 0x80 /* Received CTS/RTS change of state */ #define UART_IIR_CTSRTS 0x20 /* Receiver data TIMEOUT */ #define UART_IIR_RDI_TIMEOUT 0x0C /* * These are the EXTENDED definitions for the Exar 654's Interrupt * Enable Register. */ #define UART_EXAR654_EFR_ECB 0x10 /* Enhanced control bit */ #define UART_EXAR654_EFR_IXON 0x2 /* Receiver compares Xon1/Xoff1 */ #define UART_EXAR654_EFR_IXOFF 0x8 /* Transmit Xon1/Xoff1 */ #define UART_EXAR654_EFR_RTSDTR 0x40 /* Auto RTS/DTR Flow Control Enable */ #define UART_EXAR654_EFR_CTSDSR 0x80 /* Auto CTS/DSR Flow COntrol Enable */ #define UART_EXAR654_IER_XOFF 0x20 /* Xoff Interrupt Enable */ #define UART_EXAR654_IER_RTSDTR 0x40 /* Output Interrupt Enable */ #define UART_EXAR654_IER_CTSDSR 0x80 /* Input Interrupt Enable */ /* * Our Global Variables */ extern struct board_ops dgnc_cls_ops; #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| lidza louina | lidza louina | 114 | 96.61% | 3 | 60.00% |
| giedrius statkevicius | giedrius statkevicius | 4 | 3.39% | 2 | 40.00% |
| Total | 118 | 100.00% | 5 | 100.00% |