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/* SPDX-License-Identifier: GPL-2.0 */
/* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */
/* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.h */
#ifndef DRIVER_ATM_IDT77105_H
#define DRIVER_ATM_IDT77105_H
#include <linux/atmdev.h>
#include <linux/atmioc.h>
/* IDT77105 registers */
#define IDT77105_MCR 0x0 /* Master Control Register */
#define IDT77105_ISTAT 0x1 /* Interrupt Status */
#define IDT77105_DIAG 0x2 /* Diagnostic Control */
#define IDT77105_LEDHEC 0x3 /* LED Driver & HEC Status/Control */
#define IDT77105_CTRLO 0x4 /* Low Byte Counter Register */
#define IDT77105_CTRHI 0x5 /* High Byte Counter Register */
#define IDT77105_CTRSEL 0x6 /* Counter Register Read Select */
/* IDT77105 register values */
/* MCR */
#define IDT77105_MCR_UPLO 0x80 /* R/W, User Prog'le Output Latch */
#define IDT77105_MCR_DREC 0x40 /* R/W, Discard Receive Error Cells */
#define IDT77105_MCR_ECEIO 0x20 /* R/W, Enable Cell Error Interrupts
* Only */
#define IDT77105_MCR_TDPC 0x10 /* R/W, Transmit Data Parity Check */
#define IDT77105_MCR_DRIC 0x08 /* R/W, Discard Received Idle Cells */
#define IDT77105_MCR_HALTTX 0x04 /* R/W, Halt Tx */
#define IDT77105_MCR_UMODE 0x02 /* R/W, Utopia (cell/byte) Mode */
#define IDT77105_MCR_EIP 0x01 /* R/W, Enable Interrupt Pin */
/* ISTAT */
#define IDT77105_ISTAT_GOODSIG 0x40 /* R, Good Signal Bit */
#define IDT77105_ISTAT_HECERR 0x20 /* sticky, HEC Error*/
#define IDT77105_ISTAT_SCR 0x10 /* sticky, Short Cell Received */
#define IDT77105_ISTAT_TPE 0x08 /* sticky, Transmit Parity Error */
#define IDT77105_ISTAT_RSCC 0x04 /* sticky, Rx Signal Condition Change */
#define IDT77105_ISTAT_RSE 0x02 /* sticky, Rx Symbol Error */
#define IDT77105_ISTAT_RFO 0x01 /* sticky, Rx FIFO Overrun */
/* DIAG */
#define IDT77105_DIAG_FTD 0x80 /* R/W, Force TxClav deassert */
#define IDT77105_DIAG_ROS 0x40 /* R/W, RxClav operation select */
#define IDT77105_DIAG_MPCS 0x20 /* R/W, Multi-PHY config'n select */
#define IDT77105_DIAG_RFLUSH 0x10 /* R/W, clear receive FIFO */
#define IDT77105_DIAG_ITPE 0x08 /* R/W, Insert Tx payload error */
#define IDT77105_DIAG_ITHE 0x04 /* R/W, Insert Tx HEC error */
#define IDT77105_DIAG_UMODE 0x02 /* R/W, Utopia (cell/byte) Mode */
#define IDT77105_DIAG_LCMASK 0x03 /* R/W, Loopback Control */
#define IDT77105_DIAG_LC_NORMAL 0x00 /* Receive from network */
#define IDT77105_DIAG_LC_PHY_LOOPBACK 0x02
#define IDT77105_DIAG_LC_LINE_LOOPBACK 0x03
/* LEDHEC */
#define IDT77105_LEDHEC_DRHC 0x40 /* R/W, Disable Rx HEC check */
#define IDT77105_LEDHEC_DTHC 0x20 /* R/W, Disable Tx HEC calculation */
#define IDT77105_LEDHEC_RPWMASK 0x18 /* R/W, RxRef pulse width select */
#define IDT77105_LEDHEC_TFS 0x04 /* R, Tx FIFO Status (1=empty) */
#define IDT77105_LEDHEC_TLS 0x02 /* R, Tx LED Status (1=lit) */
#define IDT77105_LEDHEC_RLS 0x01 /* R, Rx LED Status (1=lit) */
#define IDT77105_LEDHEC_RPW_1 0x00 /* RxRef active for 1 RxClk cycle */
#define IDT77105_LEDHEC_RPW_2 0x08 /* RxRef active for 2 RxClk cycle */
#define IDT77105_LEDHEC_RPW_4 0x10 /* RxRef active for 4 RxClk cycle */
#define IDT77105_LEDHEC_RPW_8 0x18 /* RxRef active for 8 RxClk cycle */
/* CTRSEL */
#define IDT77105_CTRSEL_SEC 0x08 /* W, Symbol Error Counter */
#define IDT77105_CTRSEL_TCC 0x04 /* W, Tx Cell Counter */
#define IDT77105_CTRSEL_RCC 0x02 /* W, Rx Cell Counter */
#define IDT77105_CTRSEL_RHEC 0x01 /* W, Rx HEC Error Counter */
#ifdef __KERNEL__
int idt77105_init(struct atm_dev *dev);
#endif
/*
* Tunable parameters
*/
/* Time between samples of the hardware cell counters. Should be <= 1 sec */
#define IDT77105_STATS_TIMER_PERIOD (HZ)
/* Time between checks to see if the signal has been found again */
#define IDT77105_RESTART_TIMER_PERIOD (5 * HZ)
#endif
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