drivers/atm/idt77105.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */
   3
   4 /* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.h */
   5
   6
   7 #ifndef DRIVER_ATM_IDT77105_H
   8 #define DRIVER_ATM_IDT77105_H
   9
  10 #include <linux/atmdev.h>
  11 #include <linux/atmioc.h>
  12
  13
  14 /* IDT77105 registers */
  15
  16 #define IDT77105_MCR            0x0     /* Master Control Register */
  17 #define IDT77105_ISTAT          0x1     /* Interrupt Status */
  18 #define IDT77105_DIAG           0x2     /* Diagnostic Control */
  19 #define IDT77105_LEDHEC         0x3     /* LED Driver & HEC Status/Control */
  20 #define IDT77105_CTRLO          0x4     /* Low Byte Counter Register */
  21 #define IDT77105_CTRHI          0x5     /* High Byte Counter Register */
  22 #define IDT77105_CTRSEL         0x6     /* Counter Register Read Select */
  23
  24 /* IDT77105 register values */
  25
  26 /* MCR */
  27 #define IDT77105_MCR_UPLO       0x80    /* R/W, User Prog'le Output Latch */
  28 #define IDT77105_MCR_DREC       0x40    /* R/W, Discard Receive Error Cells */
  29 #define IDT77105_MCR_ECEIO      0x20    /* R/W, Enable Cell Error Interrupts
  30                                          * Only */
  31 #define IDT77105_MCR_TDPC       0x10    /* R/W, Transmit Data Parity Check */
  32 #define IDT77105_MCR_DRIC       0x08    /* R/W, Discard Received Idle Cells */
  33 #define IDT77105_MCR_HALTTX     0x04    /* R/W, Halt Tx */
  34 #define IDT77105_MCR_UMODE      0x02    /* R/W, Utopia (cell/byte) Mode */
  35 #define IDT77105_MCR_EIP        0x01    /* R/W, Enable Interrupt Pin */
  36
  37 /* ISTAT */
  38 #define IDT77105_ISTAT_GOODSIG  0x40    /* R, Good Signal Bit */
  39 #define IDT77105_ISTAT_HECERR   0x20    /* sticky, HEC Error*/
  40 #define IDT77105_ISTAT_SCR      0x10    /* sticky, Short Cell Received */
  41 #define IDT77105_ISTAT_TPE      0x08    /* sticky, Transmit Parity Error */
  42 #define IDT77105_ISTAT_RSCC     0x04    /* sticky, Rx Signal Condition Change */
  43 #define IDT77105_ISTAT_RSE      0x02    /* sticky, Rx Symbol Error */
  44 #define IDT77105_ISTAT_RFO      0x01    /* sticky, Rx FIFO Overrun */
  45
  46 /* DIAG */
  47 #define IDT77105_DIAG_FTD       0x80    /* R/W, Force TxClav deassert */
  48 #define IDT77105_DIAG_ROS       0x40    /* R/W, RxClav operation select */
  49 #define IDT77105_DIAG_MPCS      0x20    /* R/W, Multi-PHY config'n select */
  50 #define IDT77105_DIAG_RFLUSH    0x10    /* R/W, clear receive FIFO */
  51 #define IDT77105_DIAG_ITPE      0x08    /* R/W, Insert Tx payload error */
  52 #define IDT77105_DIAG_ITHE      0x04    /* R/W, Insert Tx HEC error */
  53 #define IDT77105_DIAG_UMODE     0x02    /* R/W, Utopia (cell/byte) Mode */
  54 #define IDT77105_DIAG_LCMASK    0x03    /* R/W, Loopback Control */
  55
  56 #define IDT77105_DIAG_LC_NORMAL         0x00    /* Receive from network */
  57 #define IDT77105_DIAG_LC_PHY_LOOPBACK   0x02
  58 #define IDT77105_DIAG_LC_LINE_LOOPBACK  0x03
  59
  60 /* LEDHEC */
  61 #define IDT77105_LEDHEC_DRHC    0x40    /* R/W, Disable Rx HEC check */
  62 #define IDT77105_LEDHEC_DTHC    0x20    /* R/W, Disable Tx HEC calculation */
  63 #define IDT77105_LEDHEC_RPWMASK 0x18    /* R/W, RxRef pulse width select */
  64 #define IDT77105_LEDHEC_TFS     0x04    /* R, Tx FIFO Status (1=empty) */
  65 #define IDT77105_LEDHEC_TLS     0x02    /* R, Tx LED Status (1=lit) */
  66 #define IDT77105_LEDHEC_RLS     0x01    /* R, Rx LED Status (1=lit) */
  67
  68 #define IDT77105_LEDHEC_RPW_1   0x00    /* RxRef active for 1 RxClk cycle */
  69 #define IDT77105_LEDHEC_RPW_2   0x08    /* RxRef active for 2 RxClk cycle */
  70 #define IDT77105_LEDHEC_RPW_4   0x10    /* RxRef active for 4 RxClk cycle */
  71 #define IDT77105_LEDHEC_RPW_8   0x18    /* RxRef active for 8 RxClk cycle */
  72
  73 /* CTRSEL */
  74 #define IDT77105_CTRSEL_SEC     0x08    /* W, Symbol Error Counter */
  75 #define IDT77105_CTRSEL_TCC     0x04    /* W, Tx Cell Counter */
  76 #define IDT77105_CTRSEL_RCC     0x02    /* W, Rx Cell Counter */
  77 #define IDT77105_CTRSEL_RHEC    0x01    /* W, Rx HEC Error Counter */
  78
  79 #ifdef __KERNEL__
  80 int idt77105_init(struct atm_dev *dev);
  81 #endif
  82
  83 /*
  84  * Tunable parameters
  85  */
  86
  87 /* Time between samples of the hardware cell counters. Should be <= 1 sec */
  88 #define IDT77105_STATS_TIMER_PERIOD     (HZ)
  89 /* Time between checks to see if the signal has been found again */
  90 #define IDT77105_RESTART_TIMER_PERIOD   (5 * HZ)
  91
  92 #endif