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af0490810c
Convert IRDA drivers to use already existing net_device_stats structure in network device. This is a pre-cursor to conversion to net_device ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
199 lines
6.3 KiB
C
199 lines
6.3 KiB
C
/*********************************************************************
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*
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* Filename: w83977af_ir.h
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* Version:
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* Description:
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* Status: Experimental.
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* Author: Paul VanderSpek
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* Created at: Thu Nov 19 13:55:34 1998
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* Modified at: Tue Jan 11 13:08:19 2000
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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* Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Neither Dag Brattli nor University of Tromsø admit liability nor
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* provide warranty for any of this software. This material is
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* provided "AS-IS" and at no charge.
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*
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********************************************************************/
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#ifndef W83977AF_IR_H
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#define W83977AF_IR_H
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#include <asm/io.h>
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#include <linux/types.h>
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/* Flags for configuration register CRF0 */
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#define ENBNKSEL 0x01
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#define APEDCRC 0x02
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#define TXW4C 0x04
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#define RXW4C 0x08
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/* Bank 0 */
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#define RBR 0x00 /* Receiver buffer register */
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#define TBR 0x00 /* Transmitter buffer register */
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#define ICR 0x01 /* Interrupt configuration register */
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#define ICR_ERBRI 0x01 /* Receiver buffer register interrupt */
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#define ICR_ETBREI 0x02 /* Transeiver empty interrupt */
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#define ICR_EUSRI 0x04//* IR status interrupt */
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#define ICR_EHSRI 0x04
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#define ICR_ETXURI 0x04 /* Tx underrun */
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#define ICR_EDMAI 0x10 /* DMA interrupt */
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#define ICR_ETXTHI 0x20 /* Transmitter threshold interrupt */
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#define ICR_EFSFI 0x40 /* Frame status FIFO interrupt */
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#define ICR_ETMRI 0x80 /* Timer interrupt */
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#define UFR 0x02 /* FIFO control register */
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#define UFR_EN_FIFO 0x01 /* Enable FIFO's */
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#define UFR_RXF_RST 0x02 /* Reset Rx FIFO */
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#define UFR_TXF_RST 0x04 /* Reset Tx FIFO */
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#define UFR_RXTL 0x80 /* Rx FIFO threshold (set to 16) */
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#define UFR_TXTL 0x20 /* Tx FIFO threshold (set to 17) */
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#define ISR 0x02 /* Interrupt status register */
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#define ISR_RXTH_I 0x01 /* Receive threshold interrupt */
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#define ISR_TXEMP_I 0x02 /* Transmitter empty interrupt */
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#define ISR_FEND_I 0x04
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#define ISR_DMA_I 0x10
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#define ISR_TXTH_I 0x20 /* Transmitter threshold interrupt */
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#define ISR_FSF_I 0x40
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#define ISR_TMR_I 0x80 /* Timer interrupt */
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#define UCR 0x03 /* Uart control register */
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#define UCR_DLS8 0x03 /* 8N1 */
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#define SSR 0x03 /* Sets select register */
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#define SET0 UCR_DLS8 /* Make sure we keep 8N1 */
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#define SET1 (0x80|UCR_DLS8) /* Make sure we keep 8N1 */
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#define SET2 0xE0
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#define SET3 0xE4
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#define SET4 0xE8
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#define SET5 0xEC
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#define SET6 0xF0
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#define SET7 0xF4
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#define HCR 0x04
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#define HCR_MODE_MASK ~(0xD0)
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#define HCR_SIR 0x60
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#define HCR_MIR_576 0x20
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#define HCR_MIR_1152 0x80
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#define HCR_FIR 0xA0
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#define HCR_EN_DMA 0x04
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#define HCR_EN_IRQ 0x08
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#define HCR_TX_WT 0x08
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#define USR 0x05 /* IR status register */
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#define USR_RDR 0x01 /* Receive data ready */
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#define USR_TSRE 0x40 /* Transmitter empty? */
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#define AUDR 0x07
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#define AUDR_SFEND 0x08 /* Set a frame end */
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#define AUDR_RXBSY 0x20 /* Rx busy */
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#define AUDR_UNDR 0x40 /* Transeiver underrun */
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/* Set 2 */
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#define ABLL 0x00 /* Advanced baud rate divisor latch (low byte) */
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#define ABHL 0x01 /* Advanced baud rate divisor latch (high byte) */
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#define ADCR1 0x02
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#define ADCR1_ADV_SL 0x01
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#define ADCR1_D_CHSW 0x08 /* the specs are wrong. its bit 3, not 4 */
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#define ADCR1_DMA_F 0x02
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#define ADCR2 0x04
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#define ADCR2_TXFS32 0x01
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#define ADCR2_RXFS32 0x04
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#define RXFDTH 0x07
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/* Set 3 */
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#define AUID 0x00
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/* Set 4 */
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#define TMRL 0x00 /* Timer value register (low byte) */
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#define TMRH 0x01 /* Timer value register (high byte) */
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#define IR_MSL 0x02 /* Infrared mode select */
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#define IR_MSL_EN_TMR 0x01 /* Enable timer */
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#define TFRLL 0x04 /* Transmitter frame length (low byte) */
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#define TFRLH 0x05 /* Transmitter frame length (high byte) */
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#define RFRLL 0x06 /* Receiver frame length (low byte) */
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#define RFRLH 0x07 /* Receiver frame length (high byte) */
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/* Set 5 */
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#define FS_FO 0x05 /* Frame status FIFO */
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#define FS_FO_FSFDR 0x80 /* Frame status FIFO data ready */
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#define FS_FO_LST_FR 0x40 /* Frame lost */
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#define FS_FO_MX_LEX 0x10 /* Max frame len exceeded */
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#define FS_FO_PHY_ERR 0x08 /* Physical layer error */
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#define FS_FO_CRC_ERR 0x04
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#define FS_FO_RX_OV 0x02 /* Receive overrun */
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#define FS_FO_FSF_OV 0x01 /* Frame status FIFO overrun */
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#define FS_FO_ERR_MSK 0x5f /* Error mask */
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#define RFLFL 0x06
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#define RFLFH 0x07
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/* Set 6 */
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#define IR_CFG2 0x00
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#define IR_CFG2_DIS_CRC 0x02
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/* Set 7 */
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#define IRM_CR 0x07 /* Infrared module control register */
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#define IRM_CR_IRX_MSL 0x40
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#define IRM_CR_AF_MNT 0x80 /* Automatic format */
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/* For storing entries in the status FIFO */
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struct st_fifo_entry {
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int status;
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int len;
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};
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struct st_fifo {
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struct st_fifo_entry entries[10];
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int head;
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int tail;
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int len;
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};
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/* Private data for each instance */
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struct w83977af_ir {
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struct st_fifo st_fifo;
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int tx_buff_offsets[10]; /* Offsets between frames in tx_buff */
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int tx_len; /* Number of frames in tx_buff */
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struct net_device *netdev; /* Yes! we are some kind of netdevice */
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struct irlap_cb *irlap; /* The link layer we are binded to */
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struct qos_info qos; /* QoS capabilities for this device */
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chipio_t io; /* IrDA controller information */
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iobuff_t tx_buff; /* Transmit buffer */
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iobuff_t rx_buff; /* Receive buffer */
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dma_addr_t tx_buff_dma;
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dma_addr_t rx_buff_dma;
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/* Note : currently locking is *very* incomplete, but this
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* will get you started. Check in nsc-ircc.c for a proper
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* locking strategy. - Jean II */
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spinlock_t lock; /* For serializing operations */
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__u32 new_speed;
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};
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static inline void switch_bank( int iobase, int set)
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{
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outb(set, iobase+SSR);
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}
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#endif
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