1 /* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */
2
3 /* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.h */
4
5
6 #ifndef DRIVER_ATM_IDT77105_H
7 #define DRIVER_ATM_IDT77105_H
8
9 #include <linux/atmdev.h>
10 #include <linux/atmioc.h>
11
12
13 /* IDT77105 registers */
14
15 #define IDT77105_MCR 0x0 /* Master Control Register */
16 #define IDT77105_ISTAT 0x1 /* Interrupt Status */
17 #define IDT77105_DIAG 0x2 /* Diagnostic Control */
18 #define IDT77105_LEDHEC 0x3 /* LED Driver & HEC Status/Control */
19 #define IDT77105_CTRLO 0x4 /* Low Byte Counter Register */
20 #define IDT77105_CTRHI 0x5 /* High Byte Counter Register */
21 #define IDT77105_CTRSEL 0x6 /* Counter Register Read Select */
22
23 /* IDT77105 register values */
24
25 /* MCR */
26 #define IDT77105_MCR_UPLO 0x80 /* R/W, User Prog'le Output Latch */
27 #define IDT77105_MCR_DREC 0x40 /* R/W, Discard Receive Error Cells */
28 #define IDT77105_MCR_ECEIO 0x20 /* R/W, Enable Cell Error Interrupts
29 * Only */
30 #define IDT77105_MCR_TDPC 0x10 /* R/W, Transmit Data Parity Check */
31 #define IDT77105_MCR_DRIC 0x08 /* R/W, Discard Received Idle Cells */
32 #define IDT77105_MCR_HALTTX 0x04 /* R/W, Halt Tx */
33 #define IDT77105_MCR_UMODE 0x02 /* R/W, Utopia (cell/byte) Mode */
34 #define IDT77105_MCR_EIP 0x01 /* R/W, Enable Interrupt Pin */
35
36 /* ISTAT */
37 #define IDT77105_ISTAT_GOODSIG 0x40 /* R, Good Signal Bit */
38 #define IDT77105_ISTAT_HECERR 0x20 /* sticky, HEC Error*/
39 #define IDT77105_ISTAT_SCR 0x10 /* sticky, Short Cell Received */
40 #define IDT77105_ISTAT_TPE 0x08 /* sticky, Transmit Parity Error */
41 #define IDT77105_ISTAT_RSCC 0x04 /* sticky, Rx Signal Condition Change */
42 #define IDT77105_ISTAT_RSE 0x02 /* sticky, Rx Symbol Error */
43 #define IDT77105_ISTAT_RFO 0x01 /* sticky, Rx FIFO Overrun */
44
45 /* DIAG */
46 #define IDT77105_DIAG_FTD 0x80 /* R/W, Force TxClav deassert */
47 #define IDT77105_DIAG_ROS 0x40 /* R/W, RxClav operation select */
48 #define IDT77105_DIAG_MPCS 0x20 /* R/W, Multi-PHY config'n select */
49 #define IDT77105_DIAG_RFLUSH 0x10 /* R/W, clear receive FIFO */
50 #define IDT77105_DIAG_ITPE 0x08 /* R/W, Insert Tx payload error */
51 #define IDT77105_DIAG_ITHE 0x04 /* R/W, Insert Tx HEC error */
52 #define IDT77105_DIAG_UMODE 0x02 /* R/W, Utopia (cell/byte) Mode */
53 #define IDT77105_DIAG_LCMASK 0x03 /* R/W, Loopback Control */
54
55 #define IDT77105_DIAG_LC_NORMAL 0x00 /* Receive from network */
56 #define IDT77105_DIAG_LC_PHY_LOOPBACK 0x02
57 #define IDT77105_DIAG_LC_LINE_LOOPBACK 0x03
58
59 /* LEDHEC */
60 #define IDT77105_LEDHEC_DRHC 0x40 /* R/W, Disable Rx HEC check */
61 #define IDT77105_LEDHEC_DTHC 0x20 /* R/W, Disable Tx HEC calculation */
62 #define IDT77105_LEDHEC_RPWMASK 0x18 /* R/W, RxRef pulse width select */
63 #define IDT77105_LEDHEC_TFS 0x04 /* R, Tx FIFO Status (1=empty) */
64 #define IDT77105_LEDHEC_TLS 0x02 /* R, Tx LED Status (1=lit) */
65 #define IDT77105_LEDHEC_RLS 0x01 /* R, Rx LED Status (1=lit) */
66
67 #define IDT77105_LEDHEC_RPW_1 0x00 /* RxRef active for 1 RxClk cycle */
68 #define IDT77105_LEDHEC_RPW_2 0x08 /* RxRef active for 2 RxClk cycle */
69 #define IDT77105_LEDHEC_RPW_4 0x10 /* RxRef active for 4 RxClk cycle */
70 #define IDT77105_LEDHEC_RPW_8 0x18 /* RxRef active for 8 RxClk cycle */
71
72 /* CTRSEL */
73 #define IDT77105_CTRSEL_SEC 0x08 /* W, Symbol Error Counter */
74 #define IDT77105_CTRSEL_TCC 0x04 /* W, Tx Cell Counter */
75 #define IDT77105_CTRSEL_RCC 0x02 /* W, Rx Cell Counter */
76 #define IDT77105_CTRSEL_RHEC 0x01 /* W, Rx HEC Error Counter */
77
78 #ifdef __KERNEL__
79 int idt77105_init(struct atm_dev *dev) __init;
80 int idt77105_stop(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
93
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