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/*********************************************************************
*
* Filename: uircc.h
* Version: 0.1
* Description: Driver for the Sharp Universal Infrared
* Communications Controller (UIRCC)
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sat Dec 26 11:00:49 1998
* Modified at: Tue Jan 19 23:52:46 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998 Dag Brattli, 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 UIRCC_H
#define UIRCC_H
/* Control registers (write only) */
#define UIRCC_CR0 0x00 /* Control register 0 */
#define UIRCC_CR0_XMIT_RST 0x20 /* Transmit reset */
#define UIRCC_CR0_RECV_RST 0x10 /* Receive reset */
#define UIRCC_CR0_TMR_RST 0x08 /* Timer reset */
#define UIRCC_CR0_SYS_RST 0x04 /* System reset */
#define UIRCC_CR0_CARR_RST 0x02 /* Carrier latch reset */
#define UIRCC_CR0_CNT_SWT 0x01 /* Transmit/receive length counter reset */
#define UIRCC_CR1 0x01 /* Transmit/receive mode setting register */
#define UIRCC_CR1_RX_DMA 0x80 /* Rx DMA mode */
#define UIRCC_CR1_TX_DMA 0x20 /* Tx DMA mode */
#define UIRCC_CR1_DMA_BRST 0x10 /* DMA burst mode */
#define UIRCC_CR1_MUST_SET 0x0c /* Must be set */
#define UIRCC_CR2 0x02 /* Interrupt mask register */
#define UIRCC_CR2_RECV_OVR 0x40 /* Receive overrun error */
#define UIRCC_CR2_RECV_FRM 0x20 /* Receive frame error */
#define UIRCC_CR2_RECV_END 0x10 /* Receive end */
#define UIRCC_CR2_TMR_OUT 0x08 /* Timer time-out */
#define UIRCC_CR2_XMIT_UNR 0x04 /* Transmit under-run error */
#define UIRCC_CR2_XMIT_END 0x01 /* Transmit end */
#define UIRCC_CR2_RECV_MASK 0x70
#define UIRCC_CR2_XMIT_MASK 0x05
#define UIRCC_CR3 0x03 /* Transmit/receive control */
#define UIRCC_CR3_XMIT_EN 0x80 /* Transmit enable */
#define UIRCC_CR3_TX_CRC_EN 0x40 /* Transmit UIRCC_CRC enable */
#define UIRCC_CR3_RECV_EN 0x20 /* Receive enable */
#define UIRCC_CR3_RX_CRC_EN 0x10 /* Receive CRC enable */
#define UIRCC_CR3_ADDR_CMP 0x08 /* Address comparison enable */
#define UIRCC_CR3_MCAST_EN 0x04 /* Multicast enable */
#define UIRCC_CR4 0x04 /* Transmit data length low byte */
#define UIRCC_CR5 0x05 /* Transmit data length high byte */
#define UIRCC_CR6 0x06 /* Transmit data writing low byte */
#define UIRCC_CR7 0x07 /* Transmit data writing high byte */
#define UIRCC_CR8 0x08 /* Self pole address */
#define UIRCC_CR9 0x09 /* System control 1 */
#define UIRCC_CR10 0x0a /* Modem selection */
#define UIRCC_CR10_SIR 0x22 /* Set SIR mode */
#define UIRCC_CR10_FIR 0x88 /* Set FIR mode */
#define UIRCC_CR11 0x0b /* System control 2 (same as SR11) */
#define UIRCC_CR11_TMR_EN 0x08
#define UIRCC_CR12 0x0c /* Timer counter initial value (low byte) */
#define UIRCC_CR13 0x0d /* Timer counter initial value (high byte) */
/* Status registers (read only) */
#define UIRCC_SR0 0x00 /* Transmit/receive status register */
#define UIRCC_SR0_RX_RDY 0x80 /* Received data ready */
#define UIRCC_SR0_RX_OVR 0x40 /* Receive overrun error */
#define UIRCC_SR0_RX_CRCFRM 0x20 /* Receive CRC or framing error */
#define UIRCC_SR2 0x02 /* Interrupt mask status */
#define UIRCC_SR3 0x03 /* Interrupt factor register */
#define UIRCC_SR3_RX_OVR_ER 0x40 /* Receive overrun error */
#define UIRCC_SR3_RX_FRM_ER 0x20 /* Receive frameing error */
#define UIRCC_SR3_RX_EOF 0x10 /* Receive end of frame */
#define UIRCC_SR3_TMR_OUT 0x08 /* Timer timeout */
#define UIRCC_SR3_TXUR 0x04 /* Transmit underrun */
#define UIRCC_SR3_TX_DONE 0x01 /* Transmit all sent */
#define UIRCC_SR4 0x04 /* TX/RX data length counter low byte */
#define UIRCC_SR5 0x05 /* TX/RX data length counter high byte */
#define UIRCC_SR8 0x08 /* Chip version */
#define UIRCC_SR9 0x09 /* System status 1 */
#define UIRCC_SR10 0x0a /* Modem select status */
#define UIRCC_SR12 0x0c /* Timer counter status (low byte) */
#define UIRCC_SR13 0x0d /* Timer counter status (high byte) */
/* Private data for each instance */
struct uircc_cb {
struct irda_device idev;
__u8 cr3; /* Copy of register sr3 */
};
#define CR3_SET
#endif
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