/*
 * proatm_suni.h
 */
 
/* Derived from suni.h written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */

#ifndef DRIVER_ATM_SUNI_H
#define DRIVER_ATM_SUNI_H

#include <linux/atmdev.h>
#include <linux/atmioc.h>
#include <linux/sonet.h>

/* SUNI registers */

#define SUNI_MRI                0x00    /* Master Reset and Identity / Load
                                           Meter */
#define SUNI_MC                 0x01    /* Master Configuration */
#define SUNI_MIS                0x02    /* Master Interrupt Status */
                          /* no 0x03 */
#define SUNI_MCM                0x04    /* Master Clock Monitor */
#define SUNI_MCT                0x05    /* Master Control */
#define SUNI_CSCS               0x06    /* Clock Synthesis Control and Status */
#define SUNI_CRCS               0x07    /* Clock Recovery Control and Status */
                             /* 0x08-0x0F reserved */
#define SUNI_RSOP_CIE           0x10    /* RSOP Control/Interrupt Enable */
#define SUNI_RSOP_SIS           0x11    /* RSOP Status/Interrupt Status */
#define SUNI_RSOP_SBL           0x12    /* RSOP Section BIP-8 LSB */
#define SUNI_RSOP_SBM           0x13    /* RSOP Section BIP-8 MSB */
#define SUNI_TSOP_CTRL          0x14    /* TSOP Control */
#define SUNI_TSOP_DIAG          0x15    /* TSOP Diagnostic */
                             /* 0x16-0x17 reserved */
#define SUNI_RLOP_CS            0x18    /* RLOP Control/Status */
#define SUNI_RLOP_IES           0x19    /* RLOP Interrupt Enable/Status */
#define SUNI_RLOP_LBL           0x1A    /* RLOP Line BIP-8/24 LSB */
#define SUNI_RLOP_LB            0x1B    /* RLOP Line BIP-8/24 */
#define SUNI_RLOP_LBM           0x1C    /* RLOP Line BIP-8/24 MSB */
#define SUNI_RLOP_LFL           0x1D    /* RLOP Line FEBE LSB */
#define SUNI_RLOP_LF            0x1E    /* RLOP Line FEBE */
#define SUNI_RLOP_LFM           0x1F    /* RLOP Line FEBE MSB */
#define SUNI_TLOP_CTRL          0x20    /* TLOP Control */
#define SUNI_TLOP_DIAG          0x21    /* TLOP Diagnostic */
                             /* 0x22-0x27 reserved */
#define SUNI_SSTB_CTRL          0x28
#define SUNI_RPOP_SC            0x30    /* RPOP Status/Control */
#define SUNI_RPOP_IS            0x31    /* RPOP Interrupt Status */
                             /* 0x32 reserved */
#define SUNI_RPOP_IE            0x33    /* RPOP Interrupt Enable */
                             /* 0x34-0x36 reserved */
#define SUNI_RPOP_PSL           0x37    /* RPOP Path Signal Label */
#define SUNI_RPOP_PBL           0x38    /* RPOP Path BIP-8 LSB */
#define SUNI_RPOP_PBM           0x39    /* RPOP Path BIP-8 MSB */
#define SUNI_RPOP_PFL           0x3A    /* RPOP Path FEBE LSB */
#define SUNI_RPOP_PFM           0x3B    /* RPOP Path FEBE MSB */
                             /* 0x3C reserved */
#define SUNI_RPOP_PBC           0x3D    /* RPOP Path BIP-8 Configuration */
#define SUNI_RPOP_RC            0x3D    /* RPOP Ring Control (PM5355) */
                             /* 0x3E-0x3F reserved */
#define SUNI_TPOP_CD            0x40    /* TPOP Control/Diagnostic */
#define SUNI_TPOP_PC            0x41    /* TPOP Pointer Control */
                             /* 0x42-0x44 reserved */
#define SUNI_TPOP_APL           0x45    /* TPOP Arbitrary Pointer LSB */
#define SUNI_TPOP_APM           0x46    /* TPOP Arbitrary Pointer MSB */
                             /* 0x47 reserved */
#define SUNI_TPOP_PSL           0x48    /* TPOP Path Signal Label */
#define SUNI_TPOP_PS            0x49    /* TPOP Path Status */
                             /* 0x4A-0x4F reserved */
#define SUNI_RACP_CS            0x50    /* RACP Control/Status */
#define SUNI_RACP_IES           0x51    /* RACP Interrupt Enable/Status */
#define SUNI_RACP_MHP           0x52    /* RACP Match Header Pattern */
#define SUNI_RACP_MHM           0x53    /* RACP Match Header Mask */
#define SUNI_RACP_CHEC          0x54    /* RACP Correctable HCS Error Count */
#define SUNI_RACP_UHEC          0x55    /* RACP Uncorrectable HCS Err Count */
#define SUNI_RACP_RCCL          0x56    /* RACP Receive Cell Counter LSB */
#define SUNI_RACP_RCC           0x57    /* RACP Receive Cell Counter */
#define SUNI_RACP_RCCM          0x58    /* RACP Receive Cell Counter MSB */
#define SUNI_RACP_CFG           0x59    /* RACP Configuration */
                             /* 0x5A-0x5F reserved */
#define SUNI_TACP_CS            0x60    /* TACP Control/Status */
#define SUNI_TACP_IUCHP         0x61    /* TACP Idle/Unassigned Cell Hdr Pat */
#define SUNI_TACP_IUCPOP        0x62    /* TACP Idle/Unassigned Cell Payload
                                           Octet Pattern */
#define SUNI_TACP_FIFO          0x63    /* TACP FIFO Configuration */
#define SUNI_TACP_TCCL          0x64    /* TACP Transmit Cell Counter LSB */
#define SUNI_TACP_TCC           0x65    /* TACP Transmit Cell Counter */
#define SUNI_TACP_TCCM          0x66    /* TACP Transmit Cell Counter MSB */
#define SUNI_TACP_CFG           0x67    /* TACP Configuration */
#define SUNI_SPTB_CTRL          0x68    /* SPTB Control */
                             /* 0x69-0x7F reserved */
#define SUNI_MT                 0x80    /* Master Test */
                             /* 0x81-0xFF reserved */

/* SUNI register values */


/* MRI is reg 0 */
#define SUNI_MRI_ID             0x0f    /* R, SUNI revision number */
#define SUNI_MRI_ID_SHIFT       0
#define SUNI_MRI_TYPE           0x70    /* R, SUNI type (lite is 011) */
#define SUNI_MRI_TYPE_SHIFT     4
#define SUNI_MRI_TYPE_PM5346    0x3     /* S/UNI 155 LITE */
#define SUNI_MRI_TYPE_PM5347    0x4     /* S/UNI 155 PLUS */
#define SUNI_MRI_TYPE_PM5350    0x7     /* S/UNI 155 ULTRA */
#define SUNI_MRI_TYPE_PM5355    0x1     /* S/UNI 622 */
#define SUNI_MRI_RESET          0x80    /* RW, reset & power down chip
                                           0: normal operation
                                           1: reset & low power */

/* MCM is reg 0x4 */
#define SUNI_MCM_LLE            0x20    /* line loopback (PM5355) */
#define SUNI_MCM_DLE            0x10    /* diagnostic loopback (PM5355) */

/* MCT is reg 5 */
#define SUNI_MCT_LOOPT          0x01    /* RW, timing source, 0: from
                                           TRCLK+/- */
#define SUNI_MCT_DLE            0x02    /* RW, diagnostic loopback */
#define SUNI_MCT_LLE            0x04    /* RW, line loopback */
#define SUNI_MCT_FIXPTR         0x20    /* RW, disable transmit payload pointer
                                           adjustments
                                           0: payload ptr controlled by TPOP
                                              ptr control reg
                                           1: payload pointer fixed at 522 */
#define SUNI_MCT_LCDV           0x40    /* R, loss of cell delineation */
#define SUNI_MCT_LCDE           0x80    /* RW, loss of cell delineation
                                           interrupt (1: on) */
/* RSOP_CIE is reg 0x10 */
#define SUNI_RSOP_CIE_OOFE      0x01    /* RW, enable interrupt on frame alarm
                                           state change */
#define SUNI_RSOP_CIE_LOFE      0x02    /* RW, enable interrupt on loss of
                                           frame state change */
#define SUNI_RSOP_CIE_LOSE      0x04    /* RW, enable interrupt on loss of
                                           signal state change */
#define SUNI_RSOP_CIE_BIPEE     0x08    /* RW, enable interrupt on section
                                           BIP-8 error (B1) */
#define SUNI_RSOP_CIE_FOOF      0x20    /* W, force RSOP out of frame at next
                                           boundary */
#define SUNI_RSOP_CIE_DDS       0x40    /* RW, disable scrambling */

/* RSOP_SIS is reg 0x11 */
#define SUNI_RSOP_SIS_OOFV      0x01    /* R, out of frame */
#define SUNI_RSOP_SIS_LOFV      0x02    /* R, loss of frame */
#define SUNI_RSOP_SIS_LOSV      0x04    /* R, loss of signal */
#define SUNI_RSOP_SIS_OOFI      0x08    /* R, out of frame interrupt */
#define SUNI_RSOP_SIS_LOFI      0x10    /* R, loss of frame interrupt */
#define SUNI_RSOP_SIS_LOSI      0x20    /* R, loss of signal interrupt */
#define SUNI_RSOP_SIS_BIPEI     0x40    /* R, section BIP-8 interrupt */

/* TSOP_CTRL is reg 0x14 */
#define SUNI_TSOP_CTRL_LAIS     0x01    /* insert alarm indication signal */
#define SUNI_TSOP_CTRL_DS       0x40    /* disable scrambling */

/* TSOP_DIAG is reg 0x15 */
#define SUNI_TSOP_DIAG_DFP      0x01    /* insert single bit error cont. */
#define SUNI_TSOP_DIAG_DBIP8    0x02    /* insert section BIP err (cont) */
#define SUNI_TSOP_DIAG_DLOS     0x04    /* set line to zero (loss of signal) */

/* TLOP_DIAG is reg 0x21 */
#define SUNI_TLOP_DIAG_DBIP     0x01    /* insert line BIP err (continuously) */

/* SSTB_CTRL is reg 0x28 */
#define SUNI_SSTB_CTRL_LEN16    0x01    /* path trace message length bit */

/* RPOP_RC is reg 0x3D (PM5355) */
#define SUNI_RPOP_RC_ENSS       0x40    /* enable size bit */

/* TPOP_DIAG is reg 0x40 */
#define SUNI_TPOP_DIAG_PAIS     0x01    /* insert STS path alarm ind (cont) */
#define SUNI_TPOP_DIAG_DB3      0x02    /* insert path BIP err (continuously) */

/* TPOP_APM is reg 0x46 */
#define SUNI_TPOP_APM_APTR      0x03    /* RW, arbitrary pointer, upper 2
                                           bits */
#define SUNI_TPOP_APM_APTR_SHIFT 0
#define SUNI_TPOP_APM_S         0x0c    /* RW, "unused" bits of payload
                                           pointer */
#define SUNI_TPOP_APM_S_SHIFT   2
#define SUNI_TPOP_APM_NDF       0xf0     /* RW, NDF bits */
#define SUNI_TPOP_APM_NDF_SHIFT 4

#define SUNI_TPOP_S_SONET       0       /* set S bits to 00 */
#define SUNI_TPOP_S_SDH         2       /* set S bits to 10 */

/* RACP_IES is reg 0x51 */
#define SUNI_RACP_IES_FOVRI     0x02    /* R, FIFO overrun */
#define SUNI_RACP_IES_UHCSI     0x04    /* R, uncorrectable HCS error */
#define SUNI_RACP_IES_CHCSI     0x08    /* R, correctable HCS error */
#define SUNI_RACP_IES_OOCDI     0x10    /* R, change of cell delineation
                                           state */
#define SUNI_RACP_IES_FIFOE     0x20    /* RW, enable FIFO overrun interrupt */
#define SUNI_RACP_IES_HCSE      0x40    /* RW, enable HCS error interrupt */
#define SUNI_RACP_IES_OOCDE     0x80    /* RW, enable cell delineation state
                                           change interrupt */

/* TACP_CS is reg 0x60 */
#define SUNI_TACP_CS_FIFORST    0x01    /* RW, reset transmit FIFO (sticky) */
#define SUNI_TACP_CS_DSCR       0x02    /* RW, disable payload scrambling */
#define SUNI_TACP_CS_HCAADD     0x04    /* RW, add coset polynomial to HCS */
#define SUNI_TACP_CS_DHCS       0x10    /* RW, insert HCS errors */
#define SUNI_TACP_CS_FOVRI      0x20    /* R, FIFO overrun */
#define SUNI_TACP_CS_TSOCI      0x40    /* R, TSOC input high */
#define SUNI_TACP_CS_FIFOE      0x80    /* RW, enable FIFO overrun interrupt */

/* TACP_IUCHP is reg 0x61 */
#define SUNI_TACP_IUCHP_CLP     0x01    /* RW, 8th bit of 4th octet of i/u
                                           pattern */
#define SUNI_TACP_IUCHP_PTI     0x0e    /* RW, 5th-7th bits of 4th octet of i/u
                                           pattern */
#define SUNI_TACP_IUCHP_PTI_SHIFT 1
#define SUNI_TACP_IUCHP_GFC     0xf0    /* RW, 1st-4th bits of 1st octet of i/u
                                           pattern */
#define SUNI_TACP_IUCHP_GFC_SHIFT 4

/* SPTB_CTRL is reg 0x68 */
#define SUNI_SPTB_CTRL_LEN16    0x01    /* path trace message length */

/* MT is reg 0x80 */
#define SUNI_MT_HIZIO           0x01    /* RW, all but data bus & MP interface
                                           tri-state */
#define SUNI_MT_HIZDATA         0x02    /* W, also tri-state data bus */
#define SUNI_MT_IOTST           0x04    /* RW, enable test mode */
#define SUNI_MT_DBCTRL          0x08    /* W, control data bus by CSB pin */
#define SUNI_MT_PMCTST          0x10    /* W, PMC test mode */
#define SUNI_MT_DS27_53         0x80    /* RW, select between 8- or 16- bit */


#define SUNI_IDLE_PATTERN       0x6a    /* idle pattern */


struct suni_priv {
        struct k_sonet_stats sonet_stats;       /* link diagnostics */
        int loop_mode;                          /* loopback mode */
        int type;                               /* phy type */
        struct atm_dev *dev;                    /* device back-pointer */
        struct suni_priv *next;                 /* next SUNI */
};

static int suni_init(struct atm_dev *dev);

#endif
