DevParallel.cpp revision 4fbca3751fe239da5934c23a783c3422618336e8
c74832c7184337c330041742d88e6dacaa07b378vboxsync * VirtualBox Parallel Device Emulation.
d192cc72774b02a0df2fdd46350d418236ac09aevboxsync * Contributed by: Alexander Eichner
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Copyright (C) 2006-2007 innotek GmbH
c74832c7184337c330041742d88e6dacaa07b378vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
c74832c7184337c330041742d88e6dacaa07b378vboxsync * available from http://www.virtualbox.org. This file is free software;
c74832c7184337c330041742d88e6dacaa07b378vboxsync * you can redistribute it and/or modify it under the terms of the GNU
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * General Public License (GPL) as published by the Free Software
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
c74832c7184337c330041742d88e6dacaa07b378vboxsync/*******************************************************************************
c74832c7184337c330041742d88e6dacaa07b378vboxsync* Header Files *
c74832c7184337c330041742d88e6dacaa07b378vboxsync*******************************************************************************/
c74832c7184337c330041742d88e6dacaa07b378vboxsync/* defines for accessing the register bits */
c74832c7184337c330041742d88e6dacaa07b378vboxsync#define LPT_STATUS_BIT1 0x02 /* reserved (only for completeness) */
c74832c7184337c330041742d88e6dacaa07b378vboxsync#define LPT_CONTROL_BIT7 0x80 /* reserved (only for completeness) */
c74832c7184337c330041742d88e6dacaa07b378vboxsync#define LPT_CONTROL_BIT6 0x40 /* reserved (only for completeness) */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync/** mode defines for the extended control register */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define LPT_ECP_ECR_CHIPMODE_GET_BITS(reg) ((reg) >> 5)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define LPT_ECP_ECR_CHIPMODE_SET_BITS(val) ((val) << 5)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync/** FIFO status bits in extended control register */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define LPT_ECP_CONFIGA_FIFO_WIDTH_GET_BITS(reg) ((reg) >> 4)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define LPT_ECP_CONFIGA_FIFO_WIDTH_SET_BITS(val) ((val) << 4)
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** Access critical section. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** Pointer to the device instance. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** Pointer to the device instance. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** The base interface. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** The host device port interface. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** Pointer to the attached base driver. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** Pointer to the attached host device. */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync R3PTRTYPE(PPDMIHOSTPARALLELCONNECTOR) pDrvHostParallelConnector;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync uint8_t reg_ecp_base_plus_400h; /* has different meanings */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** The ECP FIFO implementation*/
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define PDMIHOSTPARALLELPORT_2_PARALLELSTATE(pInstance) ( (ParallelState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ParallelState, IHostParallelPort)) )
c74832c7184337c330041742d88e6dacaa07b378vboxsync#define PDMIHOSTDEVICEPORT_2_PARALLELSTATE(pInstance) ( (ParallelState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ParallelState, IHostDevicePort)) )
4fbca3751fe239da5934c23a783c3422618336e8vboxsync#define PDMIBASE_2_PARALLELSTATE(pInstance) ( (ParallelState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ParallelState, IBase)) )
c74832c7184337c330041742d88e6dacaa07b378vboxsyncPDMBOTHCBDECL(int) parallelIOPortRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb);
c74832c7184337c330041742d88e6dacaa07b378vboxsyncPDMBOTHCBDECL(int) parallelIOPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb);
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncPDMBOTHCBDECL(int) parallelIOPortReadECP(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb);
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncPDMBOTHCBDECL(int) parallelIOPortWriteECP(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (s->reg_control & LPT_CONTROL_ENABLE_IRQ_VIA_ACK)
c74832c7184337c330041742d88e6dacaa07b378vboxsync PDMDevHlpISASetIrqNoWait(CTXSUFF(s->pDevIns), s->irq, 1);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync PDMDevHlpISASetIrqNoWait(CTXSUFF(s->pDevIns), s->irq, 0);
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic int parallel_ioport_write(void *opaque, uint32_t addr, uint32_t val)
c74832c7184337c330041742d88e6dacaa07b378vboxsync unsigned char ch;
c74832c7184337c330041742d88e6dacaa07b378vboxsync LogFlow(("parallel: write addr=0x%02x val=0x%02x\n", addr, val));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync int rc = s->pDrvHostParallelConnector->pfnWrite(s->pDrvHostParallelConnector, &ch, &cbWrite);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set the reserved bits to one */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync int rc = s->pDrvHostParallelConnector->pfnWriteControl(s->pDrvHostParallelConnector, ch);
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic uint32_t parallel_ioport_read(void *opaque, uint32_t addr, int *pRC)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (!(s->reg_control & LPT_CONTROL_ENABLE_BIDIRECT))
4fbca3751fe239da5934c23a783c3422618336e8vboxsync int rc = s->pDrvHostParallelConnector->pfnRead(s->pDrvHostParallelConnector, &s->reg_data, &cbRead);
c74832c7184337c330041742d88e6dacaa07b378vboxsync Log(("parallel_io_port_read: read 0x%X\n", s->reg_data));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync int rc = s->pDrvHostParallelConnector->pfnReadStatus(s->pDrvHostParallelConnector, &s->reg_status);
c74832c7184337c330041742d88e6dacaa07b378vboxsync LogFlow(("parallel: read addr=0x%02x val=0x%02x\n", addr, ret));
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncstatic int parallel_ioport_write_ecp(void *opaque, uint32_t addr, uint32_t val)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync unsigned char ch;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync LogFlow(("parallel: write ecp addr=0x%02x val=0x%02x\n", addr, val));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (LPT_ECP_ECR_CHIPMODE_GET_BITS(s->reg_ecp_ecr) == LPT_ECP_ECR_CHIPMODE_FIFO_TEST) {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** FIFO has some data (clear both FIFO bits) */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync s->reg_ecp_ecr &= ~(LPT_ECP_ECR_FIFO_EMPTY | LPT_ECP_ECR_FIFO_FULL);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** FIFO is full */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Clear FIFO empty bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set FIFO full bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** If we change the mode clear FIFO */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if ((ch & LPT_ECP_ECR_CHIPMODE_MASK) != (s->reg_ecp_ecr & LPT_ECP_ECR_CHIPMODE_MASK)) {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** reset the fifo */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set FIFO empty bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Clear FIFO full bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set new mode */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync s->reg_ecp_ecr |= LPT_ECP_ECR_CHIPMODE_SET_BITS(LPT_ECP_ECR_CHIPMODE_GET_BITS(ch));
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncstatic uint32_t parallel_ioport_read_ecp(void *opaque, uint32_t addr, int *pRC)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (LPT_ECP_ECR_CHIPMODE_GET_BITS(s->reg_ecp_ecr) == LPT_ECP_ECR_CHIPMODE_FIFO_TEST) {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync s->act_fifo_pos_read = 0; /** end of FIFO, start at beginning */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (s->act_fifo_pos_read == s->act_fifo_pos_write) {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** FIFO is empty */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set FIFO empty bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Clear FIFO full bit */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** FIFO has some data (clear all FIFO bits) */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync s->reg_ecp_ecr &= ~(LPT_ECP_ECR_FIFO_EMPTY | LPT_ECP_ECR_FIFO_FULL);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync LogFlow(("parallel: read ecp addr=0x%02x val=0x%02x\n", addr, ret));
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncstatic DECLCALLBACK(int) parallelNotifyInterrupt(PPDMIHOSTPARALLELPORT pInterface)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync ParallelState *pData = PDMIHOSTPARALLELPORT_2_PARALLELSTATE(pInterface);
c74832c7184337c330041742d88e6dacaa07b378vboxsync#endif /* IN_RING3 */
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Port I/O Handler for OUT operations.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status code.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pvUser User argument.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param Port Port number used for the IN operation.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param u32 The value to output.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param cb The value size in bytes.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncPDMBOTHCBDECL(int) parallelIOPortWrite(PPDMDEVINS pDevIns, void *pvUser,
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMCritSectEnter(&pData->CritSect, VINF_IOM_HC_IOPORT_WRITE);
c74832c7184337c330041742d88e6dacaa07b378vboxsync Log2(("%s: port %#06x val %#04x\n", __FUNCTION__, Port, u32));
c74832c7184337c330041742d88e6dacaa07b378vboxsync AssertMsgFailed(("Port=%#x cb=%d u32=%#x\n", Port, cb, u32));
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Port I/O Handler for IN operations.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status code.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pvUser User argument.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param Port Port number used for the IN operation.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param u32 The value to output.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param cb The value size in bytes.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncPDMBOTHCBDECL(int) parallelIOPortRead(PPDMDEVINS pDevIns, void *pvUser,
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMCritSectEnter(&pData->CritSect, VINF_IOM_HC_IOPORT_READ);
c74832c7184337c330041742d88e6dacaa07b378vboxsync Log2(("%s: port %#06x val %#04x\n", __FUNCTION__, Port, *pu32));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * Port I/O Handler for OUT operations on ECP registers.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @returns VBox status code.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param pDevIns The device instance.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param pvUser User argument.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param Port Port number used for the IN operation.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param u32 The value to output.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param cb The value size in bytes.
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncPDMBOTHCBDECL(int) parallelIOPortWriteECP(PPDMDEVINS pDevIns, void *pvUser,
4fbca3751fe239da5934c23a783c3422618336e8vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = PDMCritSectEnter(&pData->CritSect, VINF_IOM_HC_IOPORT_WRITE);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync Log2(("%s: ecp port %#06x val %#04x\n", __FUNCTION__, Port, u32));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync AssertMsgFailed(("Port=%#x cb=%d u32=%#x\n", Port, cb, u32));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * Port I/O Handler for IN operations on ECP registers.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @returns VBox status code.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param pDevIns The device instance.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param pvUser User argument.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param Port Port number used for the IN operation.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param u32 The value to output.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * @param cb The value size in bytes.
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncPDMBOTHCBDECL(int) parallelIOPortReadECP(PPDMDEVINS pDevIns, void *pvUser,
4fbca3751fe239da5934c23a783c3422618336e8vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = PDMCritSectEnter(&pData->CritSect, VINF_IOM_HC_IOPORT_READ);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync *pu32 = parallel_ioport_read_ecp (pData, Port, &rc);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync Log2(("%s: ecp port %#06x val %#04x\n", __FUNCTION__, Port, *pu32));
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Saves a state of the serial port device.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status code.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pSSMHandle The handle to save the state to.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(int) parallelSaveExec(PPDMDEVINS pDevIns,
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync return SSMR3PutU32(pSSMHandle, ~0); /* sanity/terminator */
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Loads a saved serial port device state.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status code.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pSSMHandle The handle to the saved state.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param u32Version The data unit version number.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(int) parallelLoadExec(PPDMDEVINS pDevIns,
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (u32 != ~0U)
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @copydoc FNPDMDEVRELOCATE
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(void) parallelRelocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta)
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync/** @copyfrom PIBASE::pfnqueryInterface */
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(void *) parallelQueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface)
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMIBASE_2_PARALLELSTATE(pInterface);
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Destruct a device instance.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Most VM resources are freed by the VM. This callback is provided so that any non-VM
c74832c7184337c330041742d88e6dacaa07b378vboxsync * resources can be freed correctly.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance data.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(int) parallelDestruct(PPDMDEVINS pDevIns)
c74832c7184337c330041742d88e6dacaa07b378vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState *);
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Construct a device instance for a VM.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @returns VBox status.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pDevIns The device instance data.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * If the registration structure is needed, pDevIns->pDevReg points to it.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param iInstance Instance number. Use this to figure out which registers and such to use.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * The device number is also found in pDevIns->iInstance, but since it's
c74832c7184337c330041742d88e6dacaa07b378vboxsync * likely to be freqently used PDM passes it as parameter.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * @param pCfgHandle Configuration node handle for the device. Use this to obtain the configuration
c74832c7184337c330041742d88e6dacaa07b378vboxsync * of the device instance. It's also found in pDevIns->pCfgHandle, but like
c74832c7184337c330041742d88e6dacaa07b378vboxsync * iInstance it's expected to be used a bit in this function.
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(int) parallelConstruct(PPDMDEVINS pDevIns,
4fbca3751fe239da5934c23a783c3422618336e8vboxsync ParallelState *pData = PDMINS2DATA(pDevIns, ParallelState*);
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Validate configuration.
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (!CFGMR3AreValuesValid(pCfgHandle, "IRQ\0IOBase\0"))
4fbca3751fe239da5934c23a783c3422618336e8vboxsync return PDMDEV_SET_ERROR(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES,
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = CFGMR3QueryBool(pCfgHandle, "GCEnabled", &pData->fGCEnabled);
c74832c7184337c330041742d88e6dacaa07b378vboxsync N_("Configuration error: Failed to get the \"GCEnabled\" value"));
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = CFGMR3QueryBool(pCfgHandle, "R0Enabled", &pData->fR0Enabled);
c74832c7184337c330041742d88e6dacaa07b378vboxsync N_("Configuration error: Failed to get the \"R0Enabled\" value"));
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* IBase */
c74832c7184337c330041742d88e6dacaa07b378vboxsync pData->IBase.pfnQueryInterface = parallelQueryInterface;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* IHostParallelPort */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync pData->IHostParallelPort.pfnNotifyInterrupt = parallelNotifyInterrupt;
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Initialize critical section.
c74832c7184337c330041742d88e6dacaa07b378vboxsync * This must of course be done before attaching drivers or anything else which can call us back..
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTStrPrintf(szName, sizeof(szName), "Parallel#%d", iInstance);
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMDevHlpCritSectInit(pDevIns, &pData->CritSect, szName);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync N_("Configuration error: Failed to get the \"IRQ\" value"));
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = CFGMR3QueryU16(pCfgHandle, "IOBase", &io_base);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync N_("Configuration error: Failed to get the \"IOBase\" value"));
c74832c7184337c330041742d88e6dacaa07b378vboxsync Log(("parallelConstruct instance %d iobase=%04x irq=%d\n", iInstance, io_base, irq_lvl));
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* Init parallel state */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync pData->reg_ecp_ecr = LPT_ECP_ECR_CHIPMODE_COMPAT | LPT_ECP_ECR_FIFO_EMPTY;
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMDevHlpIOPortRegister(pDevIns, io_base, 8, 0,
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* register ecp registers */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = PDMDevHlpIOPortRegister(pDevIns, io_base+0x400, 8, 0,
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMDevHlpIOPortRegisterGC(pDevIns, io_base, 8, 0, "parallelIOPortWrite",
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = PDMDevHlpIOPortRegisterGC(pDevIns, io_base+0x400, 8, 0, "parallelIOPortWriteECP",
4fbca3751fe239da5934c23a783c3422618336e8vboxsync "parallelIOPortReadECP", NULL, NULL, "Parallel Ecp");
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMDevHlpIOPortRegisterR0(pDevIns, io_base, 8, 0, "parallelIOPortWrite",
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = PDMDevHlpIOPortRegisterR0(pDevIns, io_base+0x400, 8, 0, "parallelIOPortWriteECP",
4fbca3751fe239da5934c23a783c3422618336e8vboxsync "parallelIOPortReadECP", NULL, NULL, "Parallel Ecp");
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* Attach the parallel port driver and get the interfaces. For now no run-time
c74832c7184337c330041742d88e6dacaa07b378vboxsync * changes are supported. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = PDMDevHlpDriverAttach(pDevIns, 0, &pData->IBase, &pData->pDrvBase, "Parallel Host");
4fbca3751fe239da5934c23a783c3422618336e8vboxsync pData->pDrvHostParallelConnector = (PDMIHOSTPARALLELCONNECTOR *)pData->pDrvBase->pfnQueryInterface(pData->pDrvBase,
4fbca3751fe239da5934c23a783c3422618336e8vboxsync AssertMsgFailed(("Configuration error: instance %d has no host parallel interface!\n", iInstance));
c74832c7184337c330041742d88e6dacaa07b378vboxsync /** @todo provide read notification interface!!!! */
c74832c7184337c330041742d88e6dacaa07b378vboxsync AssertMsgFailed(("Parallel%d: Failed to attach to host driver. rc=%Vrc\n", iInstance, rc));
c74832c7184337c330041742d88e6dacaa07b378vboxsync return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
c74832c7184337c330041742d88e6dacaa07b378vboxsync N_("Parallel device %d cannot attach to host driver\n"), iInstance);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Set compatibility mode */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync pData->pDrvHostParallelConnector->pfnSetMode(pData->pDrvHostParallelConnector, PDM_PARALLEL_PORT_MODE_COMPAT);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /** Get status of control register */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync pData->pDrvHostParallelConnector->pfnReadControl(pData->pDrvHostParallelConnector, &pData->reg_control);
c74832c7184337c330041742d88e6dacaa07b378vboxsync * The device registration structure.
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* u32Version */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* szDeviceName */
c74832c7184337c330041742d88e6dacaa07b378vboxsync "parallel",
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* szGCMod */
c74832c7184337c330041742d88e6dacaa07b378vboxsync "VBoxDDGC.gc",
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* szR0Mod */
c74832c7184337c330041742d88e6dacaa07b378vboxsync "VBoxDDR0.r0",
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pszDescription */
c74832c7184337c330041742d88e6dacaa07b378vboxsync "Parallel Communication Port",
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* fFlags */
c74832c7184337c330041742d88e6dacaa07b378vboxsync PDM_DEVREG_FLAGS_HOST_BITS_DEFAULT | PDM_DEVREG_FLAGS_GUEST_BITS_DEFAULT | PDM_DEVREG_FLAGS_GC | PDM_DEVREG_FLAGS_R0,
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* fClass */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* cMaxInstances */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* cbInstance */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnConstruct */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnDestruct */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnRelocate */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnIOCtl */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnPowerOn */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnReset */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnSuspend */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnResume */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnAttach */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnDetach */
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* pfnQueryInterface. */
c74832c7184337c330041742d88e6dacaa07b378vboxsync#endif /* IN_RING3 */
c74832c7184337c330041742d88e6dacaa07b378vboxsync#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */