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591f4054cb
It currently supports the PMC Sierra Lite, Ultra and 622 chips and the IDT 77105. The driver handles media options and state in a consistent manner for ATM drivers. The next commit to the midway driver will make it use utopia.
176 lines
5.8 KiB
C
176 lines
5.8 KiB
C
/*
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* Copyright (c) 2003
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* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Author: Hartmut Brandt <harti@freebsd.org>
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_UTOPIA_UTOPIA_H
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#define _DEV_UTOPIA_UTOPIA_H
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/* Structure for user-level register formatting */
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struct utopia_print {
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uint8_t type; /* register type */
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uint8_t reg; /* register number */
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const char *name; /* register name */
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const char *fmt; /* format for printing */
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};
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/*
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* Types of registers
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*/
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#define UTP_REGT_BITS 0x0 /* use printb to print */
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#define UTP_REGT_INT8 0x1 /* 8 bit hex number */
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#define UTP_REGT_INT10BITS 0x2 /* 10 bit hex number + 6 bit printb */
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#define UTP_REGT_INT12 0x3 /* 12 bit LE hex */
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#define UTP_REGT_INT16 0x4 /* 16 bit LE hex */
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#define UTP_REGT_INT19 0x5 /* 19 bit LE hex */
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#define UTP_REGT_INT20 0x6 /* 20 bit LE hex */
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#define UTP_REGT_INT21 0x7 /* 21 bit LE hex */
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/* number of additional registers per type */
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#define UTP_REG_ADD 0, 0, 1, 1, 1, 2, 2, 2
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/* flags field */
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#define UTP_FL_NORESET 0x0001 /* cannot write MRESET register */
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#define UTP_FL_POLL_CARRIER 0x0002 /* need to poll for carrier */
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/* state field */
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#define UTP_ST_ACTIVE 0x0001 /* registers accessible */
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#define UTP_ST_SDH 0x0002 /* SDH or SONET */
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#define UTP_ST_UNASS 0x0004 /* produce unassigned cells */
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#define UTP_ST_NOSCRAMB 0x0008 /* no scrambling */
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#define UTP_ST_DETACH 0x0010 /* detaching */
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#define UTP_ST_ATTACHED 0x0020 /* successful attached */
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/* carrier field */
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#define UTP_CARR_UNKNOWN 0
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#define UTP_CARR_OK 1
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#define UTP_CARR_LOST 2
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/* loopback field */
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#define UTP_LOOP_NONE 0x0000
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#define UTP_LOOP_TIME 0x0001 /* timing source loopback */
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#define UTP_LOOP_DIAG 0x0002 /* diagnostic loopback */
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#define UTP_LOOP_LINE 0x0004 /* serial line loopback */
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#define UTP_LOOP_PARAL 0x0008 /* parallel diagnostic loopback */
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#define UTP_LOOP_TWIST 0x0010 /* twisted pair diagnostic loopback */
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#define UTP_LOOP_PATH 0x0020 /* diagnostic path loopback */
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/* type */
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#define UTP_TYPE_UNKNOWN 0
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#define UTP_TYPE_SUNI_LITE 1
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#define UTP_TYPE_SUNI_ULTRA 2
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#define UTP_TYPE_SUNI_622 3
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#define UTP_TYPE_IDT77105 4
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#ifdef _KERNEL
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#include <sys/queue.h>
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/*
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* These must be implemented by the card driver
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*/
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struct utopia_methods {
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/* read at most n PHY registers starting at reg into val */
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int (*readregs)(struct ifatm *, u_int reg, uint8_t *val, u_int *n);
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/* change the bits given by mask to them in val in register reg */
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int (*writereg)(struct ifatm *, u_int reg, u_int mask, u_int val);
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};
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/*
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* Public state
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*/
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struct utopia {
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struct ifatm *ifatm; /* driver data */
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struct ifmedia *media; /* driver supplied */
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struct mtx *lock; /* driver supplied */
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const struct utopia_methods *methods;
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LIST_ENTRY(utopia) link; /* list of these structures */
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u_int flags; /* flags set by the driver */
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u_int state; /* current state */
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u_int carrier; /* carrier state */
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u_int loopback; /* loopback mode */
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const struct utopia_chip *chip; /* chip operations */
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};
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struct utopia_chip {
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/* type and name of the chip */
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u_int type;
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const char *const name;
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/* number of registers */
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u_int nregs;
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/* reset chip to known state */
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int (*reset)(struct utopia *);
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/* set SONET/SDH mode */
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int (*set_sdh)(struct utopia *, int sdh);
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/* set idle/unassigned cells */
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int (*set_unass)(struct utopia *, int unass);
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/* enable/disable scrambling */
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int (*set_noscramb)(struct utopia *, int noscramb);
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/* update carrier status */
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int (*update_carrier)(struct utopia *);
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/* set loopback mode */
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int (*set_loopback)(struct utopia *, u_int mode);
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/* handle interrupt */
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void (*intr)(struct utopia *);
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};
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/*
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* These are implemented in the common utopia code
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*/
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int utopia_attach(struct utopia *, struct ifatm *, struct ifmedia *,
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struct mtx *, struct sysctl_ctx_list *, struct sysctl_oid_list *,
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const struct utopia_methods *);
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void utopia_detach(struct utopia *);
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int utopia_start(struct utopia *);
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void utopia_stop(struct utopia *);
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void utopia_init_media(struct utopia *);
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void utopia_reset_media(struct utopia *);
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#define utopia_reset(S) ((S)->chip->reset((S)))
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#define utopia_set_sdh(S, SDH) ((S)->chip->set_sdh((S), (SDH)))
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#define utopia_set_unass(S, U) ((S)->chip->set_unass((S), (U)))
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#define utopia_set_noscramb(S, N) ((S)->chip->set_noscramb((S), (N)))
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#define utopia_update_carrier(S) ((S)->chip->update_carrier((S)))
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#define utopia_set_loopback(S, L) ((S)->chip->set_loopback((S), (L)))
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#define utopia_intr(S) ((S)->chip->intr((S)))
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#endif /* _KERNEL */
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#endif /* _DEV_UTOPIA_UTOPIA_H */
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