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- /*********************************************************************
- *
- * Filename: pc87108.h
- * Version:
- * Description:
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Fri Nov 13 14:37:40 1998
- * Modified at: Mon Jan 25 23:10:25 1999
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1998 Dag Brattli <dagb@cs.uit.no>
- * Copyright (c) 1998 Lichen Wang, <lwang@actisys.com>
- * Copyright (c) 1998 Actisys Corp., www.actisys.com
- * All Rights Reserved
- *
- * 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.
- *
- * Neither Dag Brattli nor University of Troms° admit liability nor
- * provide warranty for any of this software. This material is
- * provided "AS-IS" and at no charge.
- *
- ********************************************************************/
-
- #ifndef PC87108_H
- #define PC87108_H
-
- #include <asm/io.h>
-
- /* Flags for configuration register CRF0 */
- #define APEDCRC 0x02
- #define ENBNKSEL 0x01
-
- /* Set 0 */
- #define TXD 0x00 /* Transmit data port */
- #define RXD 0x00 /* Receive data port */
-
- /* Register 1 */
- #define IER 0x01 /* Interrupt Enable Register*/
- #define IER_RXHDL_IE 0x01 /* Receiver high data level interrupt */
- #define IER_TXLDL_IE 0x02 /* Transeiver low data level interrupt */
- #define IER_LS_IE 0x04//* Link Status Interrupt */
- #define IER_ETXURI 0x04 /* Tx underrun */
- #define IER_DMA_IE 0x10 /* DMA finished interrupt */
- #define IER_TXEMP_IE 0x20
- #define IER_SFIF_IE 0x40 /* Frame status FIFO intr */
- #define IER_TMR_IE 0x80 /* Timer event */
-
- #define FCR 0x02 /* (write only) */
- #define FCR_FIFO_EN 0x01 /* Enable FIFO's */
- #define FCR_RXSR 0x02 /* Rx FIFO soft reset */
- #define FCR_TXSR 0x04 /* Tx FIFO soft reset */
- #define FCR_RXTH 0x80 /* Rx FIFO threshold (set to 16) */
- #define FCR_TXTH 0x20 /* Tx FIFO threshold (set to 17) */
-
- #define EIR 0x02 /* (read only) */
- #define EIR_RXHDL_EV 0x01
- #define EIR_TXLDL_EV 0x02
- #define EIR_LS_EV 0x04
- #define EIR_DMA_EV 0x10
- #define EIR_TXEMP_EV 0x20
- #define EIR_SFIF_EV 0x40
- #define EIR_TMR_EV 0x80
-
- #define LCR 0x03 /* Link control register */
- #define LCR_WLS_8 0x03 /* 8 bits */
-
- #define BSR 0x03 /* Bank select register */
- #define BSR_BKSE 0x80
- #define BANK0 LCR_WLS_8 /* Must make sure that we set 8N1 */
- #define BANK1 0x80
- #define BANK2 0xe0
- #define BANK3 0xe4
- #define BANK4 0xe8
- #define BANK5 0xec
- #define BANK6 0xf0
- #define BANK7 0xf4
-
- #define MCR 0x04 /* Mode Control Register */
- #define MCR_MODE_MASK ~(0xd0)
- #define MCR_UART 0x00
- #define MCR_RESERVED 0x20
- #define MCR_SHARP_IR 0x40
- #define MCR_SIR 0x60
- #define MCR_MIR 0x80
- #define MCR_FIR 0xa0
- #define MCR_CEIR 0xb0
- #define MCR_DMA_EN 0x04
- #define MCR_EN_IRQ 0x08
- #define MCR_TX_DFR 0x08
-
- #define LSR 0x05 /* Link status register */
- #define LSR_RXDA 0x01 /* Receiver data available */
- #define LSR_TXRDY 0x20 /* Transmitter ready */
- #define LSR_TXEMP 0x40 /* Transmitter empty */
-
- #define ASCR 0x07 /* Auxillary Status and Control Register */
- #define ASCR_RXF_TOUT 0x01 /* Rx FIFO timeout */
- #define ASCR_FEND_INF 0x02 /* Frame end bytes in rx FIFO */
- #define ASCR_S_EOT 0x04 /* Set end of transmission */
- #define ASCT_RXBSY 0x20 /* Rx busy */
- #define ASCR_TXUR 0x40 /* Transeiver underrun */
- #define ASCR_CTE 0x80 /* Clear timer event */
-
- /* Bank 2 */
- #define BGDL 0x00 /* Baud Generator Divisor Port (Low Byte) */
- #define BGDH 0x01 /* Baud Generator Divisor Port (High Byte) */
-
- #define ECR1 0x02 /* Extended Control Register 1 */
- #define ECR1_EXT_SL 0x01 /* Extended Mode Select */
- #define ECR1_DMANF 0x02 /* DMA Fairness */
- #define ECR1_DMATH 0x04
- #define ECR1_DMASWP 0x08 /* DMA Swap */
-
- #define EXCR2 0x04
- #define EXCR2_TFSIZ 0x01 /* Rx FIFO size = 32 */
- #define EXCR2_RFSIZ 0x04 /* Tx FIFO size = 32 */
-
- #define TXFLV 0x06 /* Tx FIFO level */
- #define RXFLV 0x07 /* Rx FIFO level */
-
- /* Bank 3 */
- #define MID 0x00
-
- /* Bank 4 */
- #define TMRL 0x00 /* Timer low byte */
- #define TMRH 0x01 /* Timer high byte */
- #define IRCR1 0x02 /* Infrared control register 1 */
- #define IRCR1_TMR_EN 0x01 /* Timer enable */
-
- #define TFRLL 0x04
- #define TFRLH 0x05
- #define RFRLL 0x06
- #define RFRLH 0x07
-
- /* Bank 5 */
- #define IRCR2 0x04 /* Infrared control register 2 */
- #define IRCR2_MDRS 0x04 /* MIR data rate select */
- #define IRCR2_FEND_MD 0x20 /* */
-
- #define FRM_ST 0x05 /* Frame status FIFO */
- #define FRM_ST_VLD 0x80 /* Frame status FIFO data valid */
- #define FRM_ST_ERR_MSK 0x5f
- #define FRM_ST_LOST_FR 0x40 /* Frame lost */
- #define FRM_ST_MAX_LEN 0x10 /* Max frame len exceeded */
- #define FRM_ST_PHY_ERR 0x08 /* Physical layer error */
- #define FRM_ST_BAD_CRC 0x04
- #define FRM_ST_OVR1 0x02 /* Receive overrun */
- #define FRM_ST_OVR2 0x01 /* Frame status FIFO overrun */
-
- #define RFLFL 0x06
- #define RFLFH 0x07
-
- /* Bank 6 */
- #define IR_CFG2 0x00
- #define IR_CFG2_DIS_CRC 0x02
-
- /* Bank 7 */
- #define IRM_CR 0x07 /* Infrared module control register */
- #define IRM_CR_IRX_MSL 0x40
- #define IRM_CR_AF_MNT 0x80 /* Automatic format */
-
- /* For storing entries in the status FIFO */
- struct st_fifo_entry {
- int status;
- int len;
- };
-
- struct st_fifo {
- struct st_fifo_entry entries[10];
- int head;
- int tail;
- int len;
- };
-
- /* Private data for each instance */
- struct pc87108 {
- struct st_fifo st_fifo;
-
- int tx_buff_offsets[10]; /* Offsets between frames in tx_buff */
- int tx_len; /* Number of frames in tx_buff */
-
- struct irda_device idev;
- };
-
- static inline void switch_bank( int iobase, int bank)
- {
- outb( bank, iobase+BSR);
- }
-
- #endif
-