diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/io.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/io.c | 852 |
1 files changed, 852 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/eicon/io.c b/drivers/isdn/hardware/eicon/io.c new file mode 100644 index 000000000..8851ce580 --- /dev/null +++ b/drivers/isdn/hardware/eicon/io.c @@ -0,0 +1,852 @@ + +/* + * + Copyright (c) Eicon Networks, 2002. + * + This source file is supplied for the use with + Eicon Networks range of DIVA Server Adapters. + * + Eicon File Revision : 2.1 + * + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + * + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + * + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#include "platform.h" +#include "di_defs.h" +#include "pc.h" +#include "pr_pc.h" +#include "divasync.h" +#define MIPS_SCOM +#include "pkmaint.h" /* pc_main.h, packed in os-dependent fashion */ +#include "di.h" +#include "mi_pc.h" +#include "io.h" +extern ADAPTER *adapter[MAX_ADAPTER]; +extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER]; +void request(PISDN_ADAPTER, ENTITY *); +static void pcm_req(PISDN_ADAPTER, ENTITY *); +/* -------------------------------------------------------------------------- + local functions + -------------------------------------------------------------------------- */ +#define ReqFunc(N) \ + static void Request##N(ENTITY *e) \ + { if (IoAdapters[N]) (*IoAdapters[N]->DIRequest)(IoAdapters[N], e); } +ReqFunc(0) +ReqFunc(1) +ReqFunc(2) +ReqFunc(3) +ReqFunc(4) +ReqFunc(5) +ReqFunc(6) +ReqFunc(7) +ReqFunc(8) +ReqFunc(9) +ReqFunc(10) +ReqFunc(11) +ReqFunc(12) +ReqFunc(13) +ReqFunc(14) +ReqFunc(15) +IDI_CALL Requests[MAX_ADAPTER] = +{ &Request0, &Request1, &Request2, &Request3, + &Request4, &Request5, &Request6, &Request7, + &Request8, &Request9, &Request10, &Request11, + &Request12, &Request13, &Request14, &Request15 +}; +/*****************************************************************************/ +/* + This array should indicate all new services, that this version of XDI + is able to provide to his clients +*/ +static byte extended_xdi_features[DIVA_XDI_EXTENDED_FEATURES_MAX_SZ + 1] = { + (DIVA_XDI_EXTENDED_FEATURES_VALID | + DIVA_XDI_EXTENDED_FEATURE_SDRAM_BAR | + DIVA_XDI_EXTENDED_FEATURE_CAPI_PRMS | +#if defined(DIVA_IDI_RX_DMA) + DIVA_XDI_EXTENDED_FEATURE_CMA | + DIVA_XDI_EXTENDED_FEATURE_RX_DMA | + DIVA_XDI_EXTENDED_FEATURE_MANAGEMENT_DMA | +#endif + DIVA_XDI_EXTENDED_FEATURE_NO_CANCEL_RC), + 0 +}; +/*****************************************************************************/ +void +dump_xlog_buffer(PISDN_ADAPTER IoAdapter, Xdesc *xlogDesc) +{ + dword logLen; + word *Xlog = xlogDesc->buf; + word logCnt = xlogDesc->cnt; + word logOut = xlogDesc->out / sizeof(*Xlog); + DBG_FTL(("%s: ************* XLOG recovery (%d) *************", + &IoAdapter->Name[0], (int)logCnt)) + DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0])) + for (; logCnt > 0; --logCnt) + { + if (!GET_WORD(&Xlog[logOut])) + { + if (--logCnt == 0) + break; + logOut = 0; + } + if (GET_WORD(&Xlog[logOut]) <= (logOut * sizeof(*Xlog))) + { + if (logCnt > 2) + { + DBG_FTL(("Possibly corrupted XLOG: %d entries left", + (int)logCnt)) + } + break; + } + logLen = (dword)(GET_WORD(&Xlog[logOut]) - (logOut * sizeof(*Xlog))); + DBG_FTL_MXLOG(((char *)&Xlog[logOut + 1], (dword)(logLen - 2))) + logOut = (GET_WORD(&Xlog[logOut]) + 1) / sizeof(*Xlog); + } + DBG_FTL(("%s: ***************** end of XLOG *****************", + &IoAdapter->Name[0])) + } +/*****************************************************************************/ +#if defined(XDI_USE_XLOG) +static char *(ExceptionCauseTable[]) = +{ + "Interrupt", + "TLB mod /IBOUND", + "TLB load /DBOUND", + "TLB store", + "Address error load", + "Address error store", + "Instruction load bus error", + "Data load/store bus error", + "Syscall", + "Breakpoint", + "Reverd instruction", + "Coprocessor unusable", + "Overflow", + "TRAP", + "VCEI", + "Floating Point Exception", + "CP2", + "Reserved 17", + "Reserved 18", + "Reserved 19", + "Reserved 20", + "Reserved 21", + "Reserved 22", + "WATCH", + "Reserved 24", + "Reserved 25", + "Reserved 26", + "Reserved 27", + "Reserved 28", + "Reserved 29", + "Reserved 30", + "VCED" +}; +#endif +void +dump_trap_frame(PISDN_ADAPTER IoAdapter, byte __iomem *exceptionFrame) +{ + MP_XCPTC __iomem *xcept = (MP_XCPTC __iomem *)exceptionFrame; + dword __iomem *regs; + regs = &xcept->regs[0]; + DBG_FTL(("%s: ***************** CPU TRAPPED *****************", + &IoAdapter->Name[0])) + DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0])) + DBG_FTL(("Cause: %s", + ExceptionCauseTable[(READ_DWORD(&xcept->cr) & 0x0000007c) >> 2])) + DBG_FTL(("sr 0x%08x cr 0x%08x epc 0x%08x vaddr 0x%08x", + READ_DWORD(&xcept->sr), READ_DWORD(&xcept->cr), + READ_DWORD(&xcept->epc), READ_DWORD(&xcept->vaddr))) + DBG_FTL(("zero 0x%08x at 0x%08x v0 0x%08x v1 0x%08x", + READ_DWORD(®s[0]), READ_DWORD(®s[1]), + READ_DWORD(®s[2]), READ_DWORD(®s[3]))) + DBG_FTL(("a0 0x%08x a1 0x%08x a2 0x%08x a3 0x%08x", + READ_DWORD(®s[4]), READ_DWORD(®s[5]), + READ_DWORD(®s[6]), READ_DWORD(®s[7]))) + DBG_FTL(("t0 0x%08x t1 0x%08x t2 0x%08x t3 0x%08x", + READ_DWORD(®s[8]), READ_DWORD(®s[9]), + READ_DWORD(®s[10]), READ_DWORD(®s[11]))) + DBG_FTL(("t4 0x%08x t5 0x%08x t6 0x%08x t7 0x%08x", + READ_DWORD(®s[12]), READ_DWORD(®s[13]), + READ_DWORD(®s[14]), READ_DWORD(®s[15]))) + DBG_FTL(("s0 0x%08x s1 0x%08x s2 0x%08x s3 0x%08x", + READ_DWORD(®s[16]), READ_DWORD(®s[17]), + READ_DWORD(®s[18]), READ_DWORD(®s[19]))) + DBG_FTL(("s4 0x%08x s5 0x%08x s6 0x%08x s7 0x%08x", + READ_DWORD(®s[20]), READ_DWORD(®s[21]), + READ_DWORD(®s[22]), READ_DWORD(®s[23]))) + DBG_FTL(("t8 0x%08x t9 0x%08x k0 0x%08x k1 0x%08x", + READ_DWORD(®s[24]), READ_DWORD(®s[25]), + READ_DWORD(®s[26]), READ_DWORD(®s[27]))) + DBG_FTL(("gp 0x%08x sp 0x%08x s8 0x%08x ra 0x%08x", + READ_DWORD(®s[28]), READ_DWORD(®s[29]), + READ_DWORD(®s[30]), READ_DWORD(®s[31]))) + DBG_FTL(("md 0x%08x|%08x resvd 0x%08x class 0x%08x", + READ_DWORD(&xcept->mdhi), READ_DWORD(&xcept->mdlo), + READ_DWORD(&xcept->reseverd), READ_DWORD(&xcept->xclass))) + } +/* -------------------------------------------------------------------------- + Real XDI Request function + -------------------------------------------------------------------------- */ +void request(PISDN_ADAPTER IoAdapter, ENTITY *e) +{ + byte i; + diva_os_spin_lock_magic_t irql; +/* + * if the Req field in the entity structure is 0, + * we treat this request as a special function call + */ + if (!e->Req) + { + IDI_SYNC_REQ *syncReq = (IDI_SYNC_REQ *)e; + switch (e->Rc) + { +#if defined(DIVA_IDI_RX_DMA) + case IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION: { + diva_xdi_dma_descriptor_operation_t *pI = \ + &syncReq->xdi_dma_descriptor_operation.info; + if (!IoAdapter->dma_map) { + pI->operation = -1; + pI->descriptor_number = -1; + return; + } + diva_os_enter_spin_lock(&IoAdapter->data_spin_lock, &irql, "dma_op"); + if (pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_ALLOC) { + pI->descriptor_number = diva_alloc_dma_map_entry(\ + (struct _diva_dma_map_entry *)IoAdapter->dma_map); + if (pI->descriptor_number >= 0) { + dword dma_magic; + void *local_addr; + diva_get_dma_map_entry(\ + (struct _diva_dma_map_entry *)IoAdapter->dma_map, + pI->descriptor_number, + &local_addr, &dma_magic); + pI->descriptor_address = local_addr; + pI->descriptor_magic = dma_magic; + pI->operation = 0; + } else { + pI->operation = -1; + } + } else if ((pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_FREE) && + (pI->descriptor_number >= 0)) { + diva_free_dma_map_entry((struct _diva_dma_map_entry *)IoAdapter->dma_map, + pI->descriptor_number); + pI->descriptor_number = -1; + pI->operation = 0; + } else { + pI->descriptor_number = -1; + pI->operation = -1; + } + diva_os_leave_spin_lock(&IoAdapter->data_spin_lock, &irql, "dma_op"); + } return; +#endif + case IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER: { + diva_xdi_get_logical_adapter_number_s_t *pI = \ + &syncReq->xdi_logical_adapter_number.info; + pI->logical_adapter_number = IoAdapter->ANum; + pI->controller = IoAdapter->ControllerNumber; + pI->total_controllers = IoAdapter->Properties.Adapters; + } return; + case IDI_SYNC_REQ_XDI_GET_CAPI_PARAMS: { + diva_xdi_get_capi_parameters_t prms, *pI = &syncReq->xdi_capi_prms.info; + memset(&prms, 0x00, sizeof(prms)); + prms.structure_length = min_t(size_t, sizeof(prms), pI->structure_length); + memset(pI, 0x00, pI->structure_length); + prms.flag_dynamic_l1_down = (IoAdapter->capi_cfg.cfg_1 & \ + DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? 1 : 0; + prms.group_optimization_enabled = (IoAdapter->capi_cfg.cfg_1 & \ + DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON) ? 1 : 0; + memcpy(pI, &prms, prms.structure_length); + } return; + case IDI_SYNC_REQ_XDI_GET_ADAPTER_SDRAM_BAR: + syncReq->xdi_sdram_bar.info.bar = IoAdapter->sdram_bar; + return; + case IDI_SYNC_REQ_XDI_GET_EXTENDED_FEATURES: { + dword i; + diva_xdi_get_extended_xdi_features_t *pI =\ + &syncReq->xdi_extended_features.info; + pI->buffer_length_in_bytes &= ~0x80000000; + if (pI->buffer_length_in_bytes && pI->features) { + memset(pI->features, 0x00, pI->buffer_length_in_bytes); + } + for (i = 0; ((pI->features) && (i < pI->buffer_length_in_bytes) && + (i < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ)); i++) { + pI->features[i] = extended_xdi_features[i]; + } + if ((pI->buffer_length_in_bytes < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ) || + (!pI->features)) { + pI->buffer_length_in_bytes =\ + (0x80000000 | DIVA_XDI_EXTENDED_FEATURES_MAX_SZ); + } + } return; + case IDI_SYNC_REQ_XDI_GET_STREAM: + if (IoAdapter) { + diva_xdi_provide_istream_info(&IoAdapter->a, + &syncReq->xdi_stream_info.info); + } else { + syncReq->xdi_stream_info.info.provided_service = 0; + } + return; + case IDI_SYNC_REQ_GET_NAME: + if (IoAdapter) + { + strcpy(&syncReq->GetName.name[0], IoAdapter->Name); + DBG_TRC(("xdi: Adapter %d / Name '%s'", + IoAdapter->ANum, IoAdapter->Name)) + return; + } + syncReq->GetName.name[0] = '\0'; + break; + case IDI_SYNC_REQ_GET_SERIAL: + if (IoAdapter) + { + syncReq->GetSerial.serial = IoAdapter->serialNo; + DBG_TRC(("xdi: Adapter %d / SerialNo %ld", + IoAdapter->ANum, IoAdapter->serialNo)) + return; + } + syncReq->GetSerial.serial = 0; + break; + 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); +} |