diff options
Diffstat (limited to 'drivers/atm/idt77105.h')
| -rw-r--r-- | drivers/atm/idt77105.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/atm/idt77105.h b/drivers/atm/idt77105.h new file mode 100644 index 000000000..8dfea9e36 --- /dev/null +++ b/drivers/atm/idt77105.h @@ -0,0 +1,92 @@ +/* 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 |