853 lines
26 KiB
C
853 lines
26 KiB
C
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/*
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*
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Copyright (c) Eicon Networks, 2002.
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*
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This source file is supplied for the use with
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Eicon Networks range of DIVA Server Adapters.
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*
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Eicon File Revision : 2.1
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*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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*
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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*
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "platform.h"
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#include "di_defs.h"
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#include "pc.h"
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#include "pr_pc.h"
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#include "divasync.h"
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#define MIPS_SCOM
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#include "pkmaint.h" /* pc_main.h, packed in os-dependent fashion */
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#include "di.h"
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#include "mi_pc.h"
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#include "io.h"
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extern ADAPTER *adapter[MAX_ADAPTER];
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extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
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void request(PISDN_ADAPTER, ENTITY *);
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static void pcm_req(PISDN_ADAPTER, ENTITY *);
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/* --------------------------------------------------------------------------
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local functions
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-------------------------------------------------------------------------- */
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#define ReqFunc(N) \
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static void Request##N(ENTITY *e) \
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{ if (IoAdapters[N]) (*IoAdapters[N]->DIRequest)(IoAdapters[N], e); }
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ReqFunc(0)
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ReqFunc(1)
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ReqFunc(2)
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ReqFunc(3)
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ReqFunc(4)
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ReqFunc(5)
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ReqFunc(6)
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ReqFunc(7)
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ReqFunc(8)
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ReqFunc(9)
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ReqFunc(10)
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ReqFunc(11)
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ReqFunc(12)
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ReqFunc(13)
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ReqFunc(14)
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ReqFunc(15)
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IDI_CALL Requests[MAX_ADAPTER] =
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{ &Request0, &Request1, &Request2, &Request3,
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&Request4, &Request5, &Request6, &Request7,
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&Request8, &Request9, &Request10, &Request11,
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&Request12, &Request13, &Request14, &Request15
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};
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/*****************************************************************************/
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/*
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This array should indicate all new services, that this version of XDI
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is able to provide to his clients
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*/
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static byte extended_xdi_features[DIVA_XDI_EXTENDED_FEATURES_MAX_SZ + 1] = {
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(DIVA_XDI_EXTENDED_FEATURES_VALID |
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DIVA_XDI_EXTENDED_FEATURE_SDRAM_BAR |
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DIVA_XDI_EXTENDED_FEATURE_CAPI_PRMS |
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#if defined(DIVA_IDI_RX_DMA)
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DIVA_XDI_EXTENDED_FEATURE_CMA |
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DIVA_XDI_EXTENDED_FEATURE_RX_DMA |
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DIVA_XDI_EXTENDED_FEATURE_MANAGEMENT_DMA |
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#endif
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DIVA_XDI_EXTENDED_FEATURE_NO_CANCEL_RC),
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0
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};
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/*****************************************************************************/
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void
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dump_xlog_buffer(PISDN_ADAPTER IoAdapter, Xdesc *xlogDesc)
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{
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dword logLen;
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word *Xlog = xlogDesc->buf;
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word logCnt = xlogDesc->cnt;
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word logOut = xlogDesc->out / sizeof(*Xlog);
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DBG_FTL(("%s: ************* XLOG recovery (%d) *************",
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&IoAdapter->Name[0], (int)logCnt))
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DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0]))
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for (; logCnt > 0; --logCnt)
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{
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if (!GET_WORD(&Xlog[logOut]))
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{
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if (--logCnt == 0)
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break;
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logOut = 0;
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}
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if (GET_WORD(&Xlog[logOut]) <= (logOut * sizeof(*Xlog)))
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{
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if (logCnt > 2)
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{
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DBG_FTL(("Possibly corrupted XLOG: %d entries left",
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(int)logCnt))
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}
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break;
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}
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logLen = (dword)(GET_WORD(&Xlog[logOut]) - (logOut * sizeof(*Xlog)));
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DBG_FTL_MXLOG(((char *)&Xlog[logOut + 1], (dword)(logLen - 2)))
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logOut = (GET_WORD(&Xlog[logOut]) + 1) / sizeof(*Xlog);
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}
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DBG_FTL(("%s: ***************** end of XLOG *****************",
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&IoAdapter->Name[0]))
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}
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/*****************************************************************************/
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#if defined(XDI_USE_XLOG)
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static char *(ExceptionCauseTable[]) =
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{
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"Interrupt",
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"TLB mod /IBOUND",
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"TLB load /DBOUND",
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"TLB store",
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"Address error load",
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"Address error store",
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"Instruction load bus error",
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"Data load/store bus error",
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"Syscall",
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"Breakpoint",
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"Reverd instruction",
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"Coprocessor unusable",
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"Overflow",
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"TRAP",
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"VCEI",
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"Floating Point Exception",
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"CP2",
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"Reserved 17",
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"Reserved 18",
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"Reserved 19",
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"Reserved 20",
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"Reserved 21",
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"Reserved 22",
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"WATCH",
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"Reserved 24",
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"Reserved 25",
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"Reserved 26",
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"Reserved 27",
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"Reserved 28",
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"Reserved 29",
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"Reserved 30",
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"VCED"
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};
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#endif
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void
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dump_trap_frame(PISDN_ADAPTER IoAdapter, byte __iomem *exceptionFrame)
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{
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MP_XCPTC __iomem *xcept = (MP_XCPTC __iomem *)exceptionFrame;
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dword __iomem *regs;
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regs = &xcept->regs[0];
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DBG_FTL(("%s: ***************** CPU TRAPPED *****************",
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&IoAdapter->Name[0]))
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DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0]))
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DBG_FTL(("Cause: %s",
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ExceptionCauseTable[(READ_DWORD(&xcept->cr) & 0x0000007c) >> 2]))
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DBG_FTL(("sr 0x%08x cr 0x%08x epc 0x%08x vaddr 0x%08x",
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READ_DWORD(&xcept->sr), READ_DWORD(&xcept->cr),
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READ_DWORD(&xcept->epc), READ_DWORD(&xcept->vaddr)))
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DBG_FTL(("zero 0x%08x at 0x%08x v0 0x%08x v1 0x%08x",
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READ_DWORD(®s[0]), READ_DWORD(®s[1]),
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READ_DWORD(®s[2]), READ_DWORD(®s[3])))
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DBG_FTL(("a0 0x%08x a1 0x%08x a2 0x%08x a3 0x%08x",
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READ_DWORD(®s[4]), READ_DWORD(®s[5]),
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READ_DWORD(®s[6]), READ_DWORD(®s[7])))
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DBG_FTL(("t0 0x%08x t1 0x%08x t2 0x%08x t3 0x%08x",
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READ_DWORD(®s[8]), READ_DWORD(®s[9]),
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READ_DWORD(®s[10]), READ_DWORD(®s[11])))
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DBG_FTL(("t4 0x%08x t5 0x%08x t6 0x%08x t7 0x%08x",
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READ_DWORD(®s[12]), READ_DWORD(®s[13]),
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READ_DWORD(®s[14]), READ_DWORD(®s[15])))
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DBG_FTL(("s0 0x%08x s1 0x%08x s2 0x%08x s3 0x%08x",
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READ_DWORD(®s[16]), READ_DWORD(®s[17]),
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READ_DWORD(®s[18]), READ_DWORD(®s[19])))
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DBG_FTL(("s4 0x%08x s5 0x%08x s6 0x%08x s7 0x%08x",
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READ_DWORD(®s[20]), READ_DWORD(®s[21]),
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READ_DWORD(®s[22]), READ_DWORD(®s[23])))
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DBG_FTL(("t8 0x%08x t9 0x%08x k0 0x%08x k1 0x%08x",
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READ_DWORD(®s[24]), READ_DWORD(®s[25]),
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READ_DWORD(®s[26]), READ_DWORD(®s[27])))
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DBG_FTL(("gp 0x%08x sp 0x%08x s8 0x%08x ra 0x%08x",
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READ_DWORD(®s[28]), READ_DWORD(®s[29]),
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READ_DWORD(®s[30]), READ_DWORD(®s[31])))
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DBG_FTL(("md 0x%08x|%08x resvd 0x%08x class 0x%08x",
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READ_DWORD(&xcept->mdhi), READ_DWORD(&xcept->mdlo),
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READ_DWORD(&xcept->reseverd), READ_DWORD(&xcept->xclass)))
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}
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/* --------------------------------------------------------------------------
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Real XDI Request function
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-------------------------------------------------------------------------- */
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void request(PISDN_ADAPTER IoAdapter, ENTITY *e)
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{
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byte i;
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diva_os_spin_lock_magic_t irql;
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/*
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* if the Req field in the entity structure is 0,
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* we treat this request as a special function call
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*/
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if (!e->Req)
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{
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IDI_SYNC_REQ *syncReq = (IDI_SYNC_REQ *)e;
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switch (e->Rc)
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{
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#if defined(DIVA_IDI_RX_DMA)
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case IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION: {
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diva_xdi_dma_descriptor_operation_t *pI = \
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&syncReq->xdi_dma_descriptor_operation.info;
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if (!IoAdapter->dma_map) {
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pI->operation = -1;
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pI->descriptor_number = -1;
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return;
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}
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diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "dma_op");
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if (pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_ALLOC) {
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pI->descriptor_number = diva_alloc_dma_map_entry(\
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(struct _diva_dma_map_entry *)IoAdapter->dma_map);
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if (pI->descriptor_number >= 0) {
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dword dma_magic;
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void *local_addr;
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diva_get_dma_map_entry(\
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(struct _diva_dma_map_entry *)IoAdapter->dma_map,
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pI->descriptor_number,
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&local_addr, &dma_magic);
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pI->descriptor_address = local_addr;
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pI->descriptor_magic = dma_magic;
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pI->operation = 0;
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} else {
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pI->operation = -1;
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}
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} else if ((pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_FREE) &&
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(pI->descriptor_number >= 0)) {
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diva_free_dma_map_entry((struct _diva_dma_map_entry *)IoAdapter->dma_map,
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pI->descriptor_number);
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pI->descriptor_number = -1;
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pI->operation = 0;
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} else {
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pI->descriptor_number = -1;
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pI->operation = -1;
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}
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diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "dma_op");
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} return;
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#endif
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case IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER: {
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diva_xdi_get_logical_adapter_number_s_t *pI = \
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&syncReq->xdi_logical_adapter_number.info;
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pI->logical_adapter_number = IoAdapter->ANum;
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pI->controller = IoAdapter->ControllerNumber;
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pI->total_controllers = IoAdapter->Properties.Adapters;
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} return;
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case IDI_SYNC_REQ_XDI_GET_CAPI_PARAMS: {
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diva_xdi_get_capi_parameters_t prms, *pI = &syncReq->xdi_capi_prms.info;
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memset(&prms, 0x00, sizeof(prms));
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prms.structure_length = min_t(size_t, sizeof(prms), pI->structure_length);
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memset(pI, 0x00, pI->structure_length);
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prms.flag_dynamic_l1_down = (IoAdapter->capi_cfg.cfg_1 & \
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DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? 1 : 0;
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prms.group_optimization_enabled = (IoAdapter->capi_cfg.cfg_1 & \
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DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON) ? 1 : 0;
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memcpy(pI, &prms, prms.structure_length);
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} return;
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case IDI_SYNC_REQ_XDI_GET_ADAPTER_SDRAM_BAR:
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syncReq->xdi_sdram_bar.info.bar = IoAdapter->sdram_bar;
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return;
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case IDI_SYNC_REQ_XDI_GET_EXTENDED_FEATURES: {
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dword i;
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diva_xdi_get_extended_xdi_features_t *pI =\
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&syncReq->xdi_extended_features.info;
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pI->buffer_length_in_bytes &= ~0x80000000;
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if (pI->buffer_length_in_bytes && pI->features) {
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memset(pI->features, 0x00, pI->buffer_length_in_bytes);
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}
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for (i = 0; ((pI->features) && (i < pI->buffer_length_in_bytes) &&
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(i < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ)); i++) {
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pI->features[i] = extended_xdi_features[i];
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}
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if ((pI->buffer_length_in_bytes < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ) ||
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(!pI->features)) {
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pI->buffer_length_in_bytes =\
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(0x80000000 | DIVA_XDI_EXTENDED_FEATURES_MAX_SZ);
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}
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} return;
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case IDI_SYNC_REQ_XDI_GET_STREAM:
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if (IoAdapter) {
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diva_xdi_provide_istream_info(&IoAdapter->a,
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&syncReq->xdi_stream_info.info);
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} else {
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syncReq->xdi_stream_info.info.provided_service = 0;
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}
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return;
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case IDI_SYNC_REQ_GET_NAME:
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if (IoAdapter)
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{
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strcpy(&syncReq->GetName.name[0], IoAdapter->Name);
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DBG_TRC(("xdi: Adapter %d / Name '%s'",
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IoAdapter->ANum, IoAdapter->Name))
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return;
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}
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syncReq->GetName.name[0] = '\0';
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break;
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case IDI_SYNC_REQ_GET_SERIAL:
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if (IoAdapter)
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{
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syncReq->GetSerial.serial = IoAdapter->serialNo;
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DBG_TRC(("xdi: Adapter %d / SerialNo %ld",
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IoAdapter->ANum, IoAdapter->serialNo))
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return;
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}
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syncReq->GetSerial.serial = 0;
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break;
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|
|
case IDI_SYNC_REQ_GET_CARDTYPE:
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
syncReq->GetCardType.cardtype = IoAdapter->cardType;
|
||
|
|
DBG_TRC(("xdi: Adapter %d / CardType %ld",
|
||
|
|
IoAdapter->ANum, IoAdapter->cardType))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
syncReq->GetCardType.cardtype = 0;
|
||
|
|
break;
|
||
|
|
case IDI_SYNC_REQ_GET_XLOG:
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
pcm_req(IoAdapter, e);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
e->Ind = 0;
|
||
|
|
break;
|
||
|
|
case IDI_SYNC_REQ_GET_DBG_XLOG:
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
pcm_req(IoAdapter, e);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
e->Ind = 0;
|
||
|
|
break;
|
||
|
|
case IDI_SYNC_REQ_GET_FEATURES:
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
syncReq->GetFeatures.features =
|
||
|
|
(unsigned short)IoAdapter->features;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
syncReq->GetFeatures.features = 0;
|
||
|
|
break;
|
||
|
|
case IDI_SYNC_REQ_PORTDRV_HOOK:
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
DBG_TRC(("Xdi:IDI_SYNC_REQ_PORTDRV_HOOK - ignored"))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (IoAdapter)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
DBG_TRC(("xdi: Id 0x%x / Req 0x%x / Rc 0x%x", e->Id, e->Req, e->Rc))
|
||
|
|
if (!IoAdapter)
|
||
|
|
{
|
||
|
|
DBG_FTL(("xdi: uninitialized Adapter used - ignore request"))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req");
|
||
|
|
/*
|
||
|
|
* assign an entity
|
||
|
|
*/
|
||
|
|
if (!(e->Id & 0x1f))
|
||
|
|
{
|
||
|
|
if (IoAdapter->e_count >= IoAdapter->e_max)
|
||
|
|
{
|
||
|
|
DBG_FTL(("xdi: all Ids in use (max=%d) --> Req ignored",
|
||
|
|
IoAdapter->e_max))
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* find a new free id
|
||
|
|
*/
|
||
|
|
for (i = 1; IoAdapter->e_tbl[i].e; ++i);
|
||
|
|
IoAdapter->e_tbl[i].e = e;
|
||
|
|
IoAdapter->e_count++;
|
||
|
|
e->No = (byte)i;
|
||
|
|
e->More = 0;
|
||
|
|
e->RCurrent = 0xff;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
i = e->No;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* if the entity is still busy, ignore the request call
|
||
|
|
*/
|
||
|
|
if (e->More & XBUSY)
|
||
|
|
{
|
||
|
|
DBG_FTL(("xdi: Id 0x%x busy --> Req 0x%x ignored", e->Id, e->Req))
|
||
|
|
if (!IoAdapter->trapped && IoAdapter->trapFnc)
|
||
|
|
{
|
||
|
|
IoAdapter->trapFnc(IoAdapter);
|
||
|
|
/*
|
||
|
|
Firs trap, also notify user if supported
|
||
|
|
*/
|
||
|
|
if (IoAdapter->trapped && IoAdapter->os_trap_nfy_Fnc) {
|
||
|
|
(*(IoAdapter->os_trap_nfy_Fnc))(IoAdapter, IoAdapter->ANum);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* initialize transmit status variables
|
||
|
|
*/
|
||
|
|
e->More |= XBUSY;
|
||
|
|
e->More &= ~XMOREF;
|
||
|
|
e->XCurrent = 0;
|
||
|
|
e->XOffset = 0;
|
||
|
|
/*
|
||
|
|
* queue this entity in the adapter request queue
|
||
|
|
*/
|
||
|
|
IoAdapter->e_tbl[i].next = 0;
|
||
|
|
if (IoAdapter->head)
|
||
|
|
{
|
||
|
|
IoAdapter->e_tbl[IoAdapter->tail].next = i;
|
||
|
|
IoAdapter->tail = i;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IoAdapter->head = i;
|
||
|
|
IoAdapter->tail = i;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* queue the DPC to process the request
|
||
|
|
*/
|
||
|
|
diva_os_schedule_soft_isr(&IoAdapter->req_soft_isr);
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req");
|
||
|
|
}
|
||
|
|
/* ---------------------------------------------------------------------
|
||
|
|
Main DPC routine
|
||
|
|
--------------------------------------------------------------------- */
|
||
|
|
void DIDpcRoutine(struct _diva_os_soft_isr *psoft_isr, void *Context) {
|
||
|
|
PISDN_ADAPTER IoAdapter = (PISDN_ADAPTER)Context;
|
||
|
|
ADAPTER *a = &IoAdapter->a;
|
||
|
|
diva_os_atomic_t *pin_dpc = &IoAdapter->in_dpc;
|
||
|
|
if (diva_os_atomic_increment(pin_dpc) == 1) {
|
||
|
|
do {
|
||
|
|
if (IoAdapter->tst_irq(a))
|
||
|
|
{
|
||
|
|
if (!IoAdapter->Unavailable)
|
||
|
|
IoAdapter->dpc(a);
|
||
|
|
IoAdapter->clr_irq(a);
|
||
|
|
}
|
||
|
|
IoAdapter->out(a);
|
||
|
|
} while (diva_os_atomic_decrement(pin_dpc) > 0);
|
||
|
|
/* ----------------------------------------------------------------
|
||
|
|
Look for XLOG request (cards with indirect addressing)
|
||
|
|
---------------------------------------------------------------- */
|
||
|
|
if (IoAdapter->pcm_pending) {
|
||
|
|
struct pc_maint *pcm;
|
||
|
|
diva_os_spin_lock_magic_t OldIrql;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_dpc");
|
||
|
|
pcm = (struct pc_maint *)IoAdapter->pcm_data;
|
||
|
|
switch (IoAdapter->pcm_pending) {
|
||
|
|
case 1: /* ask card for XLOG */
|
||
|
|
a->ram_out(a, &IoAdapter->pcm->rc, 0);
|
||
|
|
a->ram_out(a, &IoAdapter->pcm->req, pcm->req);
|
||
|
|
IoAdapter->pcm_pending = 2;
|
||
|
|
break;
|
||
|
|
case 2: /* Try to get XLOG from the card */
|
||
|
|
if ((int)(a->ram_in(a, &IoAdapter->pcm->rc))) {
|
||
|
|
a->ram_in_buffer(a, IoAdapter->pcm, pcm, sizeof(*pcm));
|
||
|
|
IoAdapter->pcm_pending = 3;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 3: /* let XDI recovery XLOG */
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_dpc");
|
||
|
|
}
|
||
|
|
/* ---------------------------------------------------------------- */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* --------------------------------------------------------------------------
|
||
|
|
XLOG interface
|
||
|
|
-------------------------------------------------------------------------- */
|
||
|
|
static void
|
||
|
|
pcm_req(PISDN_ADAPTER IoAdapter, ENTITY *e)
|
||
|
|
{
|
||
|
|
diva_os_spin_lock_magic_t OldIrql;
|
||
|
|
int i, rc;
|
||
|
|
ADAPTER *a = &IoAdapter->a;
|
||
|
|
struct pc_maint *pcm = (struct pc_maint *)&e->Ind;
|
||
|
|
/*
|
||
|
|
* special handling of I/O based card interface
|
||
|
|
* the memory access isn't an atomic operation !
|
||
|
|
*/
|
||
|
|
if (IoAdapter->Properties.Card == CARD_MAE)
|
||
|
|
{
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_1");
|
||
|
|
IoAdapter->pcm_data = (void *)pcm;
|
||
|
|
IoAdapter->pcm_pending = 1;
|
||
|
|
diva_os_schedule_soft_isr(&IoAdapter->req_soft_isr);
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_1");
|
||
|
|
for (rc = 0, i = (IoAdapter->trapped ? 3000 : 250); !rc && (i > 0); --i)
|
||
|
|
{
|
||
|
|
diva_os_sleep(1);
|
||
|
|
if (IoAdapter->pcm_pending == 3) {
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_3");
|
||
|
|
IoAdapter->pcm_pending = 0;
|
||
|
|
IoAdapter->pcm_data = NULL;
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_3");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_2");
|
||
|
|
diva_os_schedule_soft_isr(&IoAdapter->req_soft_isr);
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_2");
|
||
|
|
}
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_4");
|
||
|
|
IoAdapter->pcm_pending = 0;
|
||
|
|
IoAdapter->pcm_data = NULL;
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&OldIrql,
|
||
|
|
"data_pcm_4");
|
||
|
|
goto Trapped;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* memory based shared ram is accessible from different
|
||
|
|
* processors without disturbing concurrent processes.
|
||
|
|
*/
|
||
|
|
a->ram_out(a, &IoAdapter->pcm->rc, 0);
|
||
|
|
a->ram_out(a, &IoAdapter->pcm->req, pcm->req);
|
||
|
|
for (i = (IoAdapter->trapped ? 3000 : 250); --i > 0;)
|
||
|
|
{
|
||
|
|
diva_os_sleep(1);
|
||
|
|
rc = (int)(a->ram_in(a, &IoAdapter->pcm->rc));
|
||
|
|
if (rc)
|
||
|
|
{
|
||
|
|
a->ram_in_buffer(a, IoAdapter->pcm, pcm, sizeof(*pcm));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Trapped:
|
||
|
|
if (IoAdapter->trapFnc)
|
||
|
|
{
|
||
|
|
int trapped = IoAdapter->trapped;
|
||
|
|
IoAdapter->trapFnc(IoAdapter);
|
||
|
|
/*
|
||
|
|
Firs trap, also notify user if supported
|
||
|
|
*/
|
||
|
|
if (!trapped && IoAdapter->trapped && IoAdapter->os_trap_nfy_Fnc) {
|
||
|
|
(*(IoAdapter->os_trap_nfy_Fnc))(IoAdapter, IoAdapter->ANum);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
/* ram access functions for memory mapped cards */
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
byte mem_in(ADAPTER *a, void *addr)
|
||
|
|
{
|
||
|
|
byte val;
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
val = READ_BYTE(Base + (unsigned long)addr);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
return (val);
|
||
|
|
}
|
||
|
|
word mem_inw(ADAPTER *a, void *addr)
|
||
|
|
{
|
||
|
|
word val;
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
val = READ_WORD((Base + (unsigned long)addr));
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
return (val);
|
||
|
|
}
|
||
|
|
void mem_in_dw(ADAPTER *a, void *addr, dword *data, int dwords)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
while (dwords--) {
|
||
|
|
*data++ = READ_DWORD((Base + (unsigned long)addr));
|
||
|
|
addr += 4;
|
||
|
|
}
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_in_buffer(ADAPTER *a, void *addr, void *buffer, word length)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
memcpy_fromio(buffer, (Base + (unsigned long)addr), length);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_look_ahead(ADAPTER *a, PBUFFER *RBuffer, ENTITY *e)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter = (PISDN_ADAPTER)a->io;
|
||
|
|
IoAdapter->RBuffer.length = mem_inw(a, &RBuffer->length);
|
||
|
|
mem_in_buffer(a, RBuffer->P, IoAdapter->RBuffer.P,
|
||
|
|
IoAdapter->RBuffer.length);
|
||
|
|
e->RBuffer = (DBUFFER *)&IoAdapter->RBuffer;
|
||
|
|
}
|
||
|
|
void mem_out(ADAPTER *a, void *addr, byte data)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
WRITE_BYTE(Base + (unsigned long)addr, data);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_outw(ADAPTER *a, void *addr, word data)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
WRITE_WORD((Base + (unsigned long)addr), data);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_out_dw(ADAPTER *a, void *addr, const dword *data, int dwords)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
while (dwords--) {
|
||
|
|
WRITE_DWORD((Base + (unsigned long)addr), *data);
|
||
|
|
addr += 4;
|
||
|
|
data++;
|
||
|
|
}
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_out_buffer(ADAPTER *a, void *addr, void *buffer, word length)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
memcpy_toio((Base + (unsigned long)addr), buffer, length);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
void mem_inc(ADAPTER *a, void *addr)
|
||
|
|
{
|
||
|
|
volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io);
|
||
|
|
byte x = READ_BYTE(Base + (unsigned long)addr);
|
||
|
|
WRITE_BYTE(Base + (unsigned long)addr, x + 1);
|
||
|
|
DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base);
|
||
|
|
}
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
/* ram access functions for io-mapped cards */
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
byte io_in(ADAPTER *a, void *adr)
|
||
|
|
{
|
||
|
|
byte val;
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
val = inpp(Port);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
return (val);
|
||
|
|
}
|
||
|
|
word io_inw(ADAPTER *a, void *adr)
|
||
|
|
{
|
||
|
|
word val;
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
val = inppw(Port);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
return (val);
|
||
|
|
}
|
||
|
|
void io_in_buffer(ADAPTER *a, void *adr, void *buffer, word len)
|
||
|
|
{
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
byte *P = (byte *)buffer;
|
||
|
|
if ((long)adr & 1) {
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
*P = inpp(Port);
|
||
|
|
P++;
|
||
|
|
adr = ((byte *) adr) + 1;
|
||
|
|
len--;
|
||
|
|
if (!len) {
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
inppw_buffer(Port, P, len + 1);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
void io_look_ahead(ADAPTER *a, PBUFFER *RBuffer, ENTITY *e)
|
||
|
|
{
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)RBuffer);
|
||
|
|
((PISDN_ADAPTER)a->io)->RBuffer.length = inppw(Port);
|
||
|
|
inppw_buffer(Port, ((PISDN_ADAPTER)a->io)->RBuffer.P, ((PISDN_ADAPTER)a->io)->RBuffer.length + 1);
|
||
|
|
e->RBuffer = (DBUFFER *) &(((PISDN_ADAPTER)a->io)->RBuffer);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
void io_out(ADAPTER *a, void *adr, byte data)
|
||
|
|
{
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
outpp(Port, data);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
void io_outw(ADAPTER *a, void *adr, word data)
|
||
|
|
{
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
outppw(Port, data);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
void io_out_buffer(ADAPTER *a, void *adr, void *buffer, word len)
|
||
|
|
{
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
byte *P = (byte *)buffer;
|
||
|
|
if ((long)adr & 1) {
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
outpp(Port, *P);
|
||
|
|
P++;
|
||
|
|
adr = ((byte *) adr) + 1;
|
||
|
|
len--;
|
||
|
|
if (!len) {
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
outppw_buffer(Port, P, len + 1);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
void io_inc(ADAPTER *a, void *adr)
|
||
|
|
{
|
||
|
|
byte x;
|
||
|
|
byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
x = inpp(Port);
|
||
|
|
outppw(Port + 4, (word)(unsigned long)adr);
|
||
|
|
outpp(Port, x + 1);
|
||
|
|
DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port);
|
||
|
|
}
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
/* OS specific functions related to queuing of entities */
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
void free_entity(ADAPTER *a, byte e_no)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
diva_os_spin_lock_magic_t irql;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_free");
|
||
|
|
IoAdapter->e_tbl[e_no].e = NULL;
|
||
|
|
IoAdapter->e_count--;
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_free");
|
||
|
|
}
|
||
|
|
void assign_queue(ADAPTER *a, byte e_no, word ref)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
diva_os_spin_lock_magic_t irql;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_assign");
|
||
|
|
IoAdapter->e_tbl[e_no].assign_ref = ref;
|
||
|
|
IoAdapter->e_tbl[e_no].next = (byte)IoAdapter->assign;
|
||
|
|
IoAdapter->assign = e_no;
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_assign");
|
||
|
|
}
|
||
|
|
byte get_assign(ADAPTER *a, word ref)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
diva_os_spin_lock_magic_t irql;
|
||
|
|
byte e_no;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&irql,
|
||
|
|
"data_assign_get");
|
||
|
|
for (e_no = (byte)IoAdapter->assign;
|
||
|
|
e_no && IoAdapter->e_tbl[e_no].assign_ref != ref;
|
||
|
|
e_no = IoAdapter->e_tbl[e_no].next);
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock,
|
||
|
|
&irql,
|
||
|
|
"data_assign_get");
|
||
|
|
return e_no;
|
||
|
|
}
|
||
|
|
void req_queue(ADAPTER *a, byte e_no)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
diva_os_spin_lock_magic_t irql;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req_q");
|
||
|
|
IoAdapter->e_tbl[e_no].next = 0;
|
||
|
|
if (IoAdapter->head) {
|
||
|
|
IoAdapter->e_tbl[IoAdapter->tail].next = e_no;
|
||
|
|
IoAdapter->tail = e_no;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
IoAdapter->head = e_no;
|
||
|
|
IoAdapter->tail = e_no;
|
||
|
|
}
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req_q");
|
||
|
|
}
|
||
|
|
byte look_req(ADAPTER *a)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
return ((byte)IoAdapter->head);
|
||
|
|
}
|
||
|
|
void next_req(ADAPTER *a)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
diva_os_spin_lock_magic_t irql;
|
||
|
|
IoAdapter = (PISDN_ADAPTER) a->io;
|
||
|
|
diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req_next");
|
||
|
|
IoAdapter->head = IoAdapter->e_tbl[IoAdapter->head].next;
|
||
|
|
if (!IoAdapter->head) IoAdapter->tail = 0;
|
||
|
|
diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "data_req_next");
|
||
|
|
}
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
/* memory map functions */
|
||
|
|
/*------------------------------------------------------------------*/
|
||
|
|
ENTITY *entity_ptr(ADAPTER *a, byte e_no)
|
||
|
|
{
|
||
|
|
PISDN_ADAPTER IoAdapter;
|
||
|
|
IoAdapter = (PISDN_ADAPTER)a->io;
|
||
|
|
return (IoAdapter->e_tbl[e_no].e);
|
||
|
|
}
|
||
|
|
void *PTR_X(ADAPTER *a, ENTITY *e)
|
||
|
|
{
|
||
|
|
return ((void *) e->X);
|
||
|
|
}
|
||
|
|
void *PTR_R(ADAPTER *a, ENTITY *e)
|
||
|
|
{
|
||
|
|
return ((void *) e->R);
|
||
|
|
}
|
||
|
|
void *PTR_P(ADAPTER *a, ENTITY *e, void *P)
|
||
|
|
{
|
||
|
|
return P;
|
||
|
|
}
|
||
|
|
void CALLBACK(ADAPTER *a, ENTITY *e)
|
||
|
|
{
|
||
|
|
if (e && e->callback)
|
||
|
|
e->callback(e);
|
||
|
|
}
|