| /* | |
| * Initio A100 device driver for Linux. | |
| * | |
| * Copyright (c) 1994-1998 Initio Corporation | |
| * Copyright (c) 2003-2004 Christoph Hellwig | |
| * All rights reserved. | |
| * | |
| * 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; without even the 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; see the file COPYING. If not, write to | |
| * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
| * | |
| * -------------------------------------------------------------------------- | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions, and the following disclaimer, | |
| * without modification, immediately at the beginning of the file. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * 3. The name of the author may not be used to endorse or promote products | |
| * derived from this software without specific prior written permission. | |
| * | |
| * Where this Software is combined with software released under the terms of | |
| * the GNU General Public License ("GPL") and the terms of the GPL would require the | |
| * combined work to also be released under the terms of the GPL, the terms | |
| * and conditions of this License will apply in addition to those of the | |
| * GPL with the exception of any terms or conditions of this License that | |
| * conflict with, or are expressly prohibited by, the GPL. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR | |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| */ | |
| /* | |
| * Revision History: | |
| * 07/02/98 hl - v.91n Initial drivers. | |
| * 09/14/98 hl - v1.01 Support new Kernel. | |
| * 09/22/98 hl - v1.01a Support reset. | |
| * 09/24/98 hl - v1.01b Fixed reset. | |
| * 10/05/98 hl - v1.02 split the source code and release. | |
| * 12/19/98 bv - v1.02a Use spinlocks for 2.1.95 and up | |
| * 01/31/99 bv - v1.02b Use mdelay instead of waitForPause | |
| * 08/08/99 bv - v1.02c Use waitForPause again. | |
| * 06/25/02 Doug Ledford <dledford@redhat.com> - v1.02d | |
| * - Remove limit on number of controllers | |
| * - Port to DMA mapping API | |
| * - Clean up interrupt handler registration | |
| * - Fix memory leaks | |
| * - Fix allocation of scsi host structs and private data | |
| * 11/18/03 Christoph Hellwig <hch@lst.de> | |
| * - Port to new probing API | |
| * - Fix some more leaks in init failure cases | |
| * 9/28/04 Christoph Hellwig <hch@lst.de> | |
| * - merge the two source files | |
| * - remove internal queueing code | |
| */ | |
| #include <linux/module.h> | |
| #include <linux/errno.h> | |
| #include <linux/delay.h> | |
| #include <linux/interrupt.h> | |
| #include <linux/pci.h> | |
| #include <linux/init.h> | |
| #include <linux/blkdev.h> | |
| #include <linux/spinlock.h> | |
| #include <linux/kernel.h> | |
| #include <linux/string.h> | |
| #include <linux/ioport.h> | |
| #include <linux/slab.h> | |
| #include <linux/dma-mapping.h> | |
| #include <asm/io.h> | |
| #include <asm/irq.h> | |
| #include <scsi/scsi.h> | |
| #include <scsi/scsi_cmnd.h> | |
| #include <scsi/scsi_device.h> | |
| #include <scsi/scsi_host.h> | |
| #include "a100u2w.h" | |
| #define JIFFIES_TO_MS(t) ((t) * 1000 / HZ) | |
| #define MS_TO_JIFFIES(j) ((j * HZ) / 1000) | |
| static ORC_SCB *orc_alloc_scb(ORC_HCS * hcsp); | |
| static void inia100SCBPost(BYTE * pHcb, BYTE * pScb); | |
| static NVRAM nvram, *nvramp = &nvram; | |
| static UCHAR dftNvRam[64] = | |
| { | |
| /*----------header -------------*/ | |
| 0x01, /* 0x00: Sub System Vendor ID 0 */ | |
| 0x11, /* 0x01: Sub System Vendor ID 1 */ | |
| 0x60, /* 0x02: Sub System ID 0 */ | |
| 0x10, /* 0x03: Sub System ID 1 */ | |
| 0x00, /* 0x04: SubClass */ | |
| 0x01, /* 0x05: Vendor ID 0 */ | |
| 0x11, /* 0x06: Vendor ID 1 */ | |
| 0x60, /* 0x07: Device ID 0 */ | |
| 0x10, /* 0x08: Device ID 1 */ | |
| 0x00, /* 0x09: Reserved */ | |
| 0x00, /* 0x0A: Reserved */ | |
| 0x01, /* 0x0B: Revision of Data Structure */ | |
| /* -- Host Adapter Structure --- */ | |
| 0x01, /* 0x0C: Number Of SCSI Channel */ | |
| 0x01, /* 0x0D: BIOS Configuration 1 */ | |
| 0x00, /* 0x0E: BIOS Configuration 2 */ | |
| 0x00, /* 0x0F: BIOS Configuration 3 */ | |
| /* --- SCSI Channel 0 Configuration --- */ | |
| 0x07, /* 0x10: H/A ID */ | |
| 0x83, /* 0x11: Channel Configuration */ | |
| 0x20, /* 0x12: MAX TAG per target */ | |
| 0x0A, /* 0x13: SCSI Reset Recovering time */ | |
| 0x00, /* 0x14: Channel Configuration4 */ | |
| 0x00, /* 0x15: Channel Configuration5 */ | |
| /* SCSI Channel 0 Target Configuration */ | |
| /* 0x16-0x25 */ | |
| 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, | |
| 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, | |
| /* --- SCSI Channel 1 Configuration --- */ | |
| 0x07, /* 0x26: H/A ID */ | |
| 0x83, /* 0x27: Channel Configuration */ | |
| 0x20, /* 0x28: MAX TAG per target */ | |
| 0x0A, /* 0x29: SCSI Reset Recovering time */ | |
| 0x00, /* 0x2A: Channel Configuration4 */ | |
| 0x00, /* 0x2B: Channel Configuration5 */ | |
| /* SCSI Channel 1 Target Configuration */ | |
| /* 0x2C-0x3B */ | |
| 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, | |
| 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, | |
| 0x00, /* 0x3C: Reserved */ | |
| 0x00, /* 0x3D: Reserved */ | |
| 0x00, /* 0x3E: Reserved */ | |
| 0x00 /* 0x3F: Checksum */ | |
| }; | |
| /***************************************************************************/ | |
| static void waitForPause(unsigned amount) | |
| { | |
| ULONG the_time = jiffies + MS_TO_JIFFIES(amount); | |
| while (time_before_eq(jiffies, the_time)) | |
| cpu_relax(); | |
| } | |
| /***************************************************************************/ | |
| static UCHAR waitChipReady(ORC_HCS * hcsp) | |
| { | |
| int i; | |
| for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ | |
| if (ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & HOSTSTOP) /* Wait HOSTSTOP set */ | |
| return 1; | |
| waitForPause(100); /* wait 100ms before try again */ | |
| } | |
| return 0; | |
| } | |
| /***************************************************************************/ | |
| static UCHAR waitFWReady(ORC_HCS * hcsp) | |
| { | |
| int i; | |
| for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ | |
| if (ORC_RD(hcsp->HCS_Base, ORC_HSTUS) & RREADY) /* Wait READY set */ | |
| return 1; | |
| waitForPause(100); /* wait 100ms before try again */ | |
| } | |
| return 0; | |
| } | |
| /***************************************************************************/ | |
| static UCHAR waitSCSIRSTdone(ORC_HCS * hcsp) | |
| { | |
| int i; | |
| for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ | |
| if (!(ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & SCSIRST)) /* Wait SCSIRST done */ | |
| return 1; | |
| waitForPause(100); /* wait 100ms before try again */ | |
| } | |
| return 0; | |
| } | |
| /***************************************************************************/ | |
| static UCHAR waitHDOoff(ORC_HCS * hcsp) | |
| { | |
| int i; | |
| for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ | |
| if (!(ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & HDO)) /* Wait HDO off */ | |
| return 1; | |
| waitForPause(100); /* wait 100ms before try again */ | |
| } | |
| return 0; | |
| } | |
| /***************************************************************************/ | |
| static UCHAR waitHDIset(ORC_HCS * hcsp, UCHAR * pData) | |
| { | |
| int i; | |
| for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ | |
| if ((*pData = ORC_RD(hcsp->HCS_Base, ORC_HSTUS)) & HDI) | |
| return 1; /* Wait HDI set */ | |
| waitForPause(100); /* wait 100ms before try again */ | |
| } | |
| return 0; | |
| } | |
| /***************************************************************************/ | |
| static unsigned short get_FW_version(ORC_HCS * hcsp) | |
| { | |
| UCHAR bData; | |
| union { | |
| unsigned short sVersion; | |
| unsigned char cVersion[2]; | |
| } Version; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_VERSION); | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ | |
| return 0; | |
| Version.cVersion[0] = ORC_RD(hcsp->HCS_Base, ORC_HDATA); | |
| ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ | |
| if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ | |
| return 0; | |
| Version.cVersion[1] = ORC_RD(hcsp->HCS_Base, ORC_HDATA); | |
| ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ | |
| return (Version.sVersion); | |
| } | |
| /***************************************************************************/ | |
| static UCHAR set_NVRAM(ORC_HCS * hcsp, unsigned char address, unsigned char value) | |
| { | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_SET_NVM); /* Write command */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, address); /* Write address */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, value); /* Write value */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| return 1; | |
| } | |
| /***************************************************************************/ | |
| static UCHAR get_NVRAM(ORC_HCS * hcsp, unsigned char address, unsigned char *pDataIn) | |
| { | |
| unsigned char bData; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_GET_NVM); /* Write command */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, address); /* Write address */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ | |
| return 0; | |
| *pDataIn = ORC_RD(hcsp->HCS_Base, ORC_HDATA); | |
| ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ | |
| return 1; | |
| } | |
| /***************************************************************************/ | |
| static void orc_exec_scb(ORC_HCS * hcsp, ORC_SCB * scbp) | |
| { | |
| scbp->SCB_Status = ORCSCB_POST; | |
| ORC_WR(hcsp->HCS_Base + ORC_PQUEUE, scbp->SCB_ScbIdx); | |
| return; | |
| } | |
| /*********************************************************************** | |
| Read SCSI H/A configuration parameters from serial EEPROM | |
| ************************************************************************/ | |
| static int se2_rd_all(ORC_HCS * hcsp) | |
| { | |
| int i; | |
| UCHAR *np, chksum = 0; | |
| np = (UCHAR *) nvramp; | |
| for (i = 0; i < 64; i++, np++) { /* <01> */ | |
| if (get_NVRAM(hcsp, (unsigned char) i, np) == 0) | |
| return -1; | |
| // *np++ = get_NVRAM(hcsp, (unsigned char ) i); | |
| } | |
| /*------ Is ckecksum ok ? ------*/ | |
| np = (UCHAR *) nvramp; | |
| for (i = 0; i < 63; i++) | |
| chksum += *np++; | |
| if (nvramp->CheckSum != (UCHAR) chksum) | |
| return -1; | |
| return 1; | |
| } | |
| /************************************************************************ | |
| Update SCSI H/A configuration parameters from serial EEPROM | |
| *************************************************************************/ | |
| static void se2_update_all(ORC_HCS * hcsp) | |
| { /* setup default pattern */ | |
| int i; | |
| UCHAR *np, *np1, chksum = 0; | |
| /* Calculate checksum first */ | |
| np = (UCHAR *) dftNvRam; | |
| for (i = 0; i < 63; i++) | |
| chksum += *np++; | |
| *np = chksum; | |
| np = (UCHAR *) dftNvRam; | |
| np1 = (UCHAR *) nvramp; | |
| for (i = 0; i < 64; i++, np++, np1++) { | |
| if (*np != *np1) { | |
| set_NVRAM(hcsp, (unsigned char) i, *np); | |
| } | |
| } | |
| return; | |
| } | |
| /************************************************************************* | |
| Function name : read_eeprom | |
| **************************************************************************/ | |
| static void read_eeprom(ORC_HCS * hcsp) | |
| { | |
| if (se2_rd_all(hcsp) != 1) { | |
| se2_update_all(hcsp); /* setup default pattern */ | |
| se2_rd_all(hcsp); /* load again */ | |
| } | |
| } | |
| /***************************************************************************/ | |
| static UCHAR load_FW(ORC_HCS * hcsp) | |
| { | |
| U32 dData; | |
| USHORT wBIOSAddress; | |
| USHORT i; | |
| UCHAR *pData, bData; | |
| bData = ORC_RD(hcsp->HCS_Base, ORC_GCFG); | |
| ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData | EEPRG); /* Enable EEPROM programming */ | |
| ORC_WR(hcsp->HCS_Base + ORC_EBIOSADR2, 0x00); | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x00); | |
| if (ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA) != 0x55) { | |
| ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ | |
| return 0; | |
| } | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x01); | |
| if (ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA) != 0xAA) { | |
| ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ | |
| return 0; | |
| } | |
| ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST | DOWNLOAD); /* Enable SRAM programming */ | |
| pData = (UCHAR *) & dData; | |
| dData = 0; /* Initial FW address to 0 */ | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x10); | |
| *pData = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x11); | |
| *(pData + 1) = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x12); | |
| *(pData + 2) = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ | |
| ORC_WR(hcsp->HCS_Base + ORC_EBIOSADR2, *(pData + 2)); | |
| ORC_WRLONG(hcsp->HCS_Base + ORC_FWBASEADR, dData); /* Write FW address */ | |
| wBIOSAddress = (USHORT) dData; /* FW code locate at BIOS address + ? */ | |
| for (i = 0, pData = (UCHAR *) & dData; /* Download the code */ | |
| i < 0x1000; /* Firmware code size = 4K */ | |
| i++, wBIOSAddress++) { | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, wBIOSAddress); | |
| *pData++ = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ | |
| if ((i % 4) == 3) { | |
| ORC_WRLONG(hcsp->HCS_Base + ORC_RISCRAM, dData); /* Write every 4 bytes */ | |
| pData = (UCHAR *) & dData; | |
| } | |
| } | |
| ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST | DOWNLOAD); /* Reset program count 0 */ | |
| wBIOSAddress -= 0x1000; /* Reset the BIOS adddress */ | |
| for (i = 0, pData = (UCHAR *) & dData; /* Check the code */ | |
| i < 0x1000; /* Firmware code size = 4K */ | |
| i++, wBIOSAddress++) { | |
| ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, wBIOSAddress); | |
| *pData++ = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ | |
| if ((i % 4) == 3) { | |
| if (ORC_RDLONG(hcsp->HCS_Base, ORC_RISCRAM) != dData) { | |
| ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST); /* Reset program to 0 */ | |
| ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /*Disable EEPROM programming */ | |
| return 0; | |
| } | |
| pData = (UCHAR *) & dData; | |
| } | |
| } | |
| ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST); /* Reset program to 0 */ | |
| ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ | |
| return 1; | |
| } | |
| /***************************************************************************/ | |
| static void setup_SCBs(ORC_HCS * hcsp) | |
| { | |
| ORC_SCB *pVirScb; | |
| int i; | |
| ESCB *pVirEscb; | |
| dma_addr_t pPhysEscb; | |
| /* Setup SCB HCS_Base and SCB Size registers */ | |
| ORC_WR(hcsp->HCS_Base + ORC_SCBSIZE, ORC_MAXQUEUE); /* Total number of SCBs */ | |
| /* SCB HCS_Base address 0 */ | |
| ORC_WRLONG(hcsp->HCS_Base + ORC_SCBBASE0, hcsp->HCS_physScbArray); | |
| /* SCB HCS_Base address 1 */ | |
| ORC_WRLONG(hcsp->HCS_Base + ORC_SCBBASE1, hcsp->HCS_physScbArray); | |
| /* setup scatter list address with one buffer */ | |
| pVirScb = hcsp->HCS_virScbArray; | |
| pVirEscb = hcsp->HCS_virEscbArray; | |
| for (i = 0; i < ORC_MAXQUEUE; i++) { | |
| pPhysEscb = (hcsp->HCS_physEscbArray + (sizeof(ESCB) * i)); | |
| pVirScb->SCB_SGPAddr = (U32) pPhysEscb; | |
| pVirScb->SCB_SensePAddr = (U32) pPhysEscb; | |
| pVirScb->SCB_EScb = pVirEscb; | |
| pVirScb->SCB_ScbIdx = i; | |
| pVirScb++; | |
| pVirEscb++; | |
| } | |
| return; | |
| } | |
| /***************************************************************************/ | |
| static void initAFlag(ORC_HCS * hcsp) | |
| { | |
| UCHAR i, j; | |
| for (i = 0; i < MAX_CHANNELS; i++) { | |
| for (j = 0; j < 8; j++) { | |
| hcsp->BitAllocFlag[i][j] = 0xffffffff; | |
| } | |
| } | |
| } | |
| /***************************************************************************/ | |
| static int init_orchid(ORC_HCS * hcsp) | |
| { | |
| UBYTE *readBytep; | |
| USHORT revision; | |
| UCHAR i; | |
| initAFlag(hcsp); | |
| ORC_WR(hcsp->HCS_Base + ORC_GIMSK, 0xFF); /* Disable all interrupt */ | |
| if (ORC_RD(hcsp->HCS_Base, ORC_HSTUS) & RREADY) { /* Orchid is ready */ | |
| revision = get_FW_version(hcsp); | |
| if (revision == 0xFFFF) { | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, DEVRST); /* Reset Host Adapter */ | |
| if (waitChipReady(hcsp) == 0) | |
| return (-1); | |
| load_FW(hcsp); /* Download FW */ | |
| setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, 0); /* clear HOSTSTOP */ | |
| if (waitFWReady(hcsp) == 0) | |
| return (-1); | |
| /* Wait for firmware ready */ | |
| } else { | |
| setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ | |
| } | |
| } else { /* Orchid is not Ready */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, DEVRST); /* Reset Host Adapter */ | |
| if (waitChipReady(hcsp) == 0) | |
| return (-1); | |
| load_FW(hcsp); /* Download FW */ | |
| setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); /* Do Hardware Reset & */ | |
| /* clear HOSTSTOP */ | |
| if (waitFWReady(hcsp) == 0) /* Wait for firmware ready */ | |
| return (-1); | |
| } | |
| /*------------- get serial EEProm settting -------*/ | |
| read_eeprom(hcsp); | |
| if (nvramp->Revision != 1) | |
| return (-1); | |
| hcsp->HCS_SCSI_ID = nvramp->SCSI0Id; | |
| hcsp->HCS_BIOS = nvramp->BIOSConfig1; | |
| hcsp->HCS_MaxTar = MAX_TARGETS; | |
| readBytep = (UCHAR *) & (nvramp->Target00Config); | |
| for (i = 0; i < 16; readBytep++, i++) { | |
| hcsp->TargetFlag[i] = *readBytep; | |
| hcsp->MaximumTags[i] = ORC_MAXTAGS; | |
| } /* for */ | |
| if (nvramp->SCSI0Config & NCC_BUSRESET) { /* Reset SCSI bus */ | |
| hcsp->HCS_Flags |= HCF_SCSI_RESET; | |
| } | |
| ORC_WR(hcsp->HCS_Base + ORC_GIMSK, 0xFB); /* enable RP FIFO interrupt */ | |
| return (0); | |
| } | |
| /***************************************************************************** | |
| Function name : orc_reset_scsi_bus | |
| Description : Reset registers, reset a hanging bus and | |
| kill active and disconnected commands for target w/o soft reset | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int orc_reset_scsi_bus(ORC_HCS * pHCB) | |
| { /* I need Host Control Block Information */ | |
| ULONG flags; | |
| spin_lock_irqsave(&(pHCB->BitAllocFlagLock), flags); | |
| initAFlag(pHCB); | |
| /* reset scsi bus */ | |
| ORC_WR(pHCB->HCS_Base + ORC_HCTRL, SCSIRST); | |
| if (waitSCSIRSTdone(pHCB) == 0) { | |
| spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } else { | |
| spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); | |
| return SUCCESS; | |
| } | |
| } | |
| /***************************************************************************** | |
| Function name : orc_device_reset | |
| Description : Reset registers, reset a hanging bus and | |
| kill active and disconnected commands for target w/o soft reset | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int orc_device_reset(ORC_HCS * pHCB, struct scsi_cmnd *SCpnt, unsigned int target) | |
| { /* I need Host Control Block Information */ | |
| ORC_SCB *pScb; | |
| ESCB *pVirEscb; | |
| ORC_SCB *pVirScb; | |
| UCHAR i; | |
| ULONG flags; | |
| spin_lock_irqsave(&(pHCB->BitAllocFlagLock), flags); | |
| pScb = (ORC_SCB *) NULL; | |
| pVirEscb = (ESCB *) NULL; | |
| /* setup scatter list address with one buffer */ | |
| pVirScb = pHCB->HCS_virScbArray; | |
| initAFlag(pHCB); | |
| /* device reset */ | |
| for (i = 0; i < ORC_MAXQUEUE; i++) { | |
| pVirEscb = pVirScb->SCB_EScb; | |
| if ((pVirScb->SCB_Status) && (pVirEscb->SCB_Srb == SCpnt)) | |
| break; | |
| pVirScb++; | |
| } | |
| if (i == ORC_MAXQUEUE) { | |
| printk("Unable to Reset - No SCB Found\n"); | |
| spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } | |
| if ((pScb = orc_alloc_scb(pHCB)) == NULL) { | |
| spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } | |
| pScb->SCB_Opcode = ORC_BUSDEVRST; | |
| pScb->SCB_Target = target; | |
| pScb->SCB_HaStat = 0; | |
| pScb->SCB_TaStat = 0; | |
| pScb->SCB_Status = 0x0; | |
| pScb->SCB_Link = 0xFF; | |
| pScb->SCB_Reserved0 = 0; | |
| pScb->SCB_Reserved1 = 0; | |
| pScb->SCB_XferLen = 0; | |
| pScb->SCB_SGLen = 0; | |
| pVirEscb->SCB_Srb = NULL; | |
| pVirEscb->SCB_Srb = SCpnt; | |
| orc_exec_scb(pHCB, pScb); /* Start execute SCB */ | |
| spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); | |
| return SUCCESS; | |
| } | |
| /***************************************************************************/ | |
| static ORC_SCB *__orc_alloc_scb(ORC_HCS * hcsp) | |
| { | |
| ORC_SCB *pTmpScb; | |
| UCHAR Ch; | |
| ULONG idx; | |
| UCHAR index; | |
| UCHAR i; | |
| Ch = hcsp->HCS_Index; | |
| for (i = 0; i < 8; i++) { | |
| for (index = 0; index < 32; index++) { | |
| if ((hcsp->BitAllocFlag[Ch][i] >> index) & 0x01) { | |
| hcsp->BitAllocFlag[Ch][i] &= ~(1 << index); | |
| break; | |
| } | |
| } | |
| idx = index + 32 * i; | |
| pTmpScb = (ORC_SCB *) ((ULONG) hcsp->HCS_virScbArray + (idx * sizeof(ORC_SCB))); | |
| return (pTmpScb); | |
| } | |
| return (NULL); | |
| } | |
| static ORC_SCB *orc_alloc_scb(ORC_HCS * hcsp) | |
| { | |
| ORC_SCB *pTmpScb; | |
| ULONG flags; | |
| spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); | |
| pTmpScb = __orc_alloc_scb(hcsp); | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| return (pTmpScb); | |
| } | |
| /***************************************************************************/ | |
| static void orc_release_scb(ORC_HCS * hcsp, ORC_SCB * scbp) | |
| { | |
| ULONG flags; | |
| UCHAR Index; | |
| UCHAR i; | |
| UCHAR Ch; | |
| spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); | |
| Ch = hcsp->HCS_Index; | |
| Index = scbp->SCB_ScbIdx; | |
| i = Index / 32; | |
| Index %= 32; | |
| hcsp->BitAllocFlag[Ch][i] |= (1 << Index); | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| } | |
| /***************************************************************************** | |
| Function name : abort_SCB | |
| Description : Abort a queued command. | |
| (commands that are on the bus can't be aborted easily) | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int abort_SCB(ORC_HCS * hcsp, ORC_SCB * pScb) | |
| { | |
| unsigned char bData, bStatus; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_ABORT_SCB); /* Write command */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| ORC_WR(hcsp->HCS_Base + ORC_HDATA, pScb->SCB_ScbIdx); /* Write address */ | |
| ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); | |
| if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ | |
| return 0; | |
| if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ | |
| return 0; | |
| bStatus = ORC_RD(hcsp->HCS_Base, ORC_HDATA); | |
| ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ | |
| if (bStatus == 1) /* 0 - Successfully */ | |
| return 0; /* 1 - Fail */ | |
| return 1; | |
| } | |
| /***************************************************************************** | |
| Function name : inia100_abort | |
| Description : Abort a queued command. | |
| (commands that are on the bus can't be aborted easily) | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int orc_abort_srb(ORC_HCS * hcsp, struct scsi_cmnd *SCpnt) | |
| { | |
| ESCB *pVirEscb; | |
| ORC_SCB *pVirScb; | |
| UCHAR i; | |
| ULONG flags; | |
| spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); | |
| pVirScb = hcsp->HCS_virScbArray; | |
| for (i = 0; i < ORC_MAXQUEUE; i++, pVirScb++) { | |
| pVirEscb = pVirScb->SCB_EScb; | |
| if ((pVirScb->SCB_Status) && (pVirEscb->SCB_Srb == SCpnt)) { | |
| if (pVirScb->SCB_TagMsg == 0) { | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } else { | |
| if (abort_SCB(hcsp, pVirScb)) { | |
| pVirEscb->SCB_Srb = NULL; | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| return SUCCESS; | |
| } else { | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } | |
| } | |
| } | |
| } | |
| spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); | |
| return FAILED; | |
| } | |
| /*********************************************************************** | |
| Routine Description: | |
| This is the interrupt service routine for the Orchid SCSI adapter. | |
| It reads the interrupt register to determine if the adapter is indeed | |
| the source of the interrupt and clears the interrupt at the device. | |
| Arguments: | |
| HwDeviceExtension - HBA miniport driver's adapter data storage | |
| Return Value: | |
| ***********************************************************************/ | |
| static void orc_interrupt( | |
| ORC_HCS * hcsp | |
| ) | |
| { | |
| BYTE bScbIdx; | |
| ORC_SCB *pScb; | |
| if (ORC_RD(hcsp->HCS_Base, ORC_RQUEUECNT) == 0) { | |
| return; // 0; | |
| } | |
| do { | |
| bScbIdx = ORC_RD(hcsp->HCS_Base, ORC_RQUEUE); | |
| pScb = (ORC_SCB *) ((ULONG) hcsp->HCS_virScbArray + (ULONG) (sizeof(ORC_SCB) * bScbIdx)); | |
| pScb->SCB_Status = 0x0; | |
| inia100SCBPost((BYTE *) hcsp, (BYTE *) pScb); | |
| } while (ORC_RD(hcsp->HCS_Base, ORC_RQUEUECNT)); | |
| return; //1; | |
| } /* End of I1060Interrupt() */ | |
| /***************************************************************************** | |
| Function name : inia100BuildSCB | |
| Description : | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static void inia100BuildSCB(ORC_HCS * pHCB, ORC_SCB * pSCB, struct scsi_cmnd * SCpnt) | |
| { /* Create corresponding SCB */ | |
| struct scatterlist *pSrbSG; | |
| ORC_SG *pSG; /* Pointer to SG list */ | |
| int i, count_sg; | |
| ESCB *pEScb; | |
| pEScb = pSCB->SCB_EScb; | |
| pEScb->SCB_Srb = SCpnt; | |
| pSG = NULL; | |
| pSCB->SCB_Opcode = ORC_EXECSCSI; | |
| pSCB->SCB_Flags = SCF_NO_DCHK; /* Clear done bit */ | |
| pSCB->SCB_Target = SCpnt->device->id; | |
| pSCB->SCB_Lun = SCpnt->device->lun; | |
| pSCB->SCB_Reserved0 = 0; | |
| pSCB->SCB_Reserved1 = 0; | |
| pSCB->SCB_SGLen = 0; | |
| if ((pSCB->SCB_XferLen = (U32) SCpnt->request_bufflen)) { | |
| pSG = (ORC_SG *) & pEScb->ESCB_SGList[0]; | |
| if (SCpnt->use_sg) { | |
| pSrbSG = (struct scatterlist *) SCpnt->request_buffer; | |
| count_sg = pci_map_sg(pHCB->pdev, pSrbSG, SCpnt->use_sg, | |
| SCpnt->sc_data_direction); | |
| pSCB->SCB_SGLen = (U32) (count_sg * 8); | |
| for (i = 0; i < count_sg; i++, pSG++, pSrbSG++) { | |
| pSG->SG_Ptr = (U32) sg_dma_address(pSrbSG); | |
| pSG->SG_Len = (U32) sg_dma_len(pSrbSG); | |
| } | |
| } else if (SCpnt->request_bufflen != 0) {/* Non SG */ | |
| pSCB->SCB_SGLen = 0x8; | |
| SCpnt->SCp.dma_handle = pci_map_single(pHCB->pdev, | |
| SCpnt->request_buffer, | |
| SCpnt->request_bufflen, | |
| SCpnt->sc_data_direction); | |
| pSG->SG_Ptr = (U32) SCpnt->SCp.dma_handle; | |
| pSG->SG_Len = (U32) SCpnt->request_bufflen; | |
| } else { | |
| pSCB->SCB_SGLen = 0; | |
| pSG->SG_Ptr = 0; | |
| pSG->SG_Len = 0; | |
| } | |
| } | |
| pSCB->SCB_SGPAddr = (U32) pSCB->SCB_SensePAddr; | |
| pSCB->SCB_HaStat = 0; | |
| pSCB->SCB_TaStat = 0; | |
| pSCB->SCB_Link = 0xFF; | |
| pSCB->SCB_SenseLen = SENSE_SIZE; | |
| pSCB->SCB_CDBLen = SCpnt->cmd_len; | |
| if (pSCB->SCB_CDBLen >= IMAX_CDB) { | |
| printk("max cdb length= %x\b", SCpnt->cmd_len); | |
| pSCB->SCB_CDBLen = IMAX_CDB; | |
| } | |
| pSCB->SCB_Ident = SCpnt->device->lun | DISC_ALLOW; | |
| if (SCpnt->device->tagged_supported) { /* Tag Support */ | |
| pSCB->SCB_TagMsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ | |
| } else { | |
| pSCB->SCB_TagMsg = 0; /* No tag support */ | |
| } | |
| memcpy(&pSCB->SCB_CDB[0], &SCpnt->cmnd, pSCB->SCB_CDBLen); | |
| return; | |
| } | |
| /***************************************************************************** | |
| Function name : inia100_queue | |
| Description : Queue a command and setup interrupts for a free bus. | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int inia100_queue(struct scsi_cmnd * SCpnt, void (*done) (struct scsi_cmnd *)) | |
| { | |
| register ORC_SCB *pSCB; | |
| ORC_HCS *pHCB; /* Point to Host adapter control block */ | |
| pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; | |
| SCpnt->scsi_done = done; | |
| /* Get free SCSI control block */ | |
| if ((pSCB = orc_alloc_scb(pHCB)) == NULL) | |
| return SCSI_MLQUEUE_HOST_BUSY; | |
| inia100BuildSCB(pHCB, pSCB, SCpnt); | |
| orc_exec_scb(pHCB, pSCB); /* Start execute SCB */ | |
| return (0); | |
| } | |
| /***************************************************************************** | |
| Function name : inia100_abort | |
| Description : Abort a queued command. | |
| (commands that are on the bus can't be aborted easily) | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int inia100_abort(struct scsi_cmnd * SCpnt) | |
| { | |
| ORC_HCS *hcsp; | |
| hcsp = (ORC_HCS *) SCpnt->device->host->hostdata; | |
| return orc_abort_srb(hcsp, SCpnt); | |
| } | |
| /***************************************************************************** | |
| Function name : inia100_reset | |
| Description : Reset registers, reset a hanging bus and | |
| kill active and disconnected commands for target w/o soft reset | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int inia100_bus_reset(struct scsi_cmnd * SCpnt) | |
| { /* I need Host Control Block Information */ | |
| ORC_HCS *pHCB; | |
| pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; | |
| return orc_reset_scsi_bus(pHCB); | |
| } | |
| /***************************************************************************** | |
| Function name : inia100_device_reset | |
| Description : Reset the device | |
| Input : pHCB - Pointer to host adapter structure | |
| Output : None. | |
| Return : pSRB - Pointer to SCSI request block. | |
| *****************************************************************************/ | |
| static int inia100_device_reset(struct scsi_cmnd * SCpnt) | |
| { /* I need Host Control Block Information */ | |
| ORC_HCS *pHCB; | |
| pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; | |
| return orc_device_reset(pHCB, SCpnt, scmd_id(SCpnt)); | |
| } | |
| /***************************************************************************** | |
| Function name : inia100SCBPost | |
| Description : This is callback routine be called when orc finish one | |
| SCSI command. | |
| Input : pHCB - Pointer to host adapter control block. | |
| pSCB - Pointer to SCSI control block. | |
| Output : None. | |
| Return : None. | |
| *****************************************************************************/ | |
| static void inia100SCBPost(BYTE * pHcb, BYTE * pScb) | |
| { | |
| struct scsi_cmnd *pSRB; /* Pointer to SCSI request block */ | |
| ORC_HCS *pHCB; | |
| ORC_SCB *pSCB; | |
| ESCB *pEScb; | |
| pHCB = (ORC_HCS *) pHcb; | |
| pSCB = (ORC_SCB *) pScb; | |
| pEScb = pSCB->SCB_EScb; | |
| if ((pSRB = (struct scsi_cmnd *) pEScb->SCB_Srb) == 0) { | |
| printk("inia100SCBPost: SRB pointer is empty\n"); | |
| orc_release_scb(pHCB, pSCB); /* Release SCB for current channel */ | |
| return; | |
| } | |
| pEScb->SCB_Srb = NULL; | |
| switch (pSCB->SCB_HaStat) { | |
| case 0x0: | |
| case 0xa: /* Linked command complete without error and linked normally */ | |
| case 0xb: /* Linked command complete without error interrupt generated */ | |
| pSCB->SCB_HaStat = 0; | |
| break; | |
| case 0x11: /* Selection time out-The initiator selection or target | |
| reselection was not complete within the SCSI Time out period */ | |
| pSCB->SCB_HaStat = DID_TIME_OUT; | |
| break; | |
| case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus | |
| phase sequence was requested by the target. The host adapter | |
| will generate a SCSI Reset Condition, notifying the host with | |
| a SCRD interrupt */ | |
| pSCB->SCB_HaStat = DID_RESET; | |
| break; | |
| case 0x1a: /* SCB Aborted. 07/21/98 */ | |
| pSCB->SCB_HaStat = DID_ABORT; | |
| break; | |
| case 0x12: /* Data overrun/underrun-The target attempted to transfer more data | |
| than was allocated by the Data Length field or the sum of the | |
| Scatter / Gather Data Length fields. */ | |
| case 0x13: /* Unexpected bus free-The target dropped the SCSI BSY at an unexpected time. */ | |
| case 0x16: /* Invalid CCB Operation Code-The first byte of the CCB was invalid. */ | |
| default: | |
| printk("inia100: %x %x\n", pSCB->SCB_HaStat, pSCB->SCB_TaStat); | |
| pSCB->SCB_HaStat = DID_ERROR; /* Couldn't find any better */ | |
| break; | |
| } | |
| if (pSCB->SCB_TaStat == 2) { /* Check condition */ | |
| memcpy((unsigned char *) &pSRB->sense_buffer[0], | |
| (unsigned char *) &pEScb->ESCB_SGList[0], SENSE_SIZE); | |
| } | |
| pSRB->result = pSCB->SCB_TaStat | (pSCB->SCB_HaStat << 16); | |
| if (pSRB->use_sg) { | |
| pci_unmap_sg(pHCB->pdev, | |
| (struct scatterlist *)pSRB->request_buffer, | |
| pSRB->use_sg, pSRB->sc_data_direction); | |
| } else if (pSRB->request_bufflen != 0) { | |
| pci_unmap_single(pHCB->pdev, pSRB->SCp.dma_handle, | |
| pSRB->request_bufflen, | |
| pSRB->sc_data_direction); | |
| } | |
| pSRB->scsi_done(pSRB); /* Notify system DONE */ | |
| orc_release_scb(pHCB, pSCB); /* Release SCB for current channel */ | |
| } | |
| /* | |
| * Interrupt handler (main routine of the driver) | |
| */ | |
| static irqreturn_t inia100_intr(int irqno, void *devid) | |
| { | |
| struct Scsi_Host *host = (struct Scsi_Host *)devid; | |
| ORC_HCS *pHcb = (ORC_HCS *)host->hostdata; | |
| unsigned long flags; | |
| spin_lock_irqsave(host->host_lock, flags); | |
| orc_interrupt(pHcb); | |
| spin_unlock_irqrestore(host->host_lock, flags); | |
| return IRQ_HANDLED; | |
| } | |
| static struct scsi_host_template inia100_template = { | |
| .proc_name = "inia100", | |
| .name = inia100_REVID, | |
| .queuecommand = inia100_queue, | |
| .eh_abort_handler = inia100_abort, | |
| .eh_bus_reset_handler = inia100_bus_reset, | |
| .eh_device_reset_handler = inia100_device_reset, | |
| .can_queue = 1, | |
| .this_id = 1, | |
| .sg_tablesize = SG_ALL, | |
| .cmd_per_lun = 1, | |
| .use_clustering = ENABLE_CLUSTERING, | |
| }; | |
| static int __devinit inia100_probe_one(struct pci_dev *pdev, | |
| const struct pci_device_id *id) | |
| { | |
| struct Scsi_Host *shost; | |
| ORC_HCS *pHCB; | |
| unsigned long port, bios; | |
| int error = -ENODEV; | |
| u32 sz; | |
| unsigned long dBiosAdr; | |
| char *pbBiosAdr; | |
| if (pci_enable_device(pdev)) | |
| goto out; | |
| if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { | |
| printk(KERN_WARNING "Unable to set 32bit DMA " | |
| "on inia100 adapter, ignoring.\n"); | |
| goto out_disable_device; | |
| } | |
| pci_set_master(pdev); | |
| port = pci_resource_start(pdev, 0); | |
| if (!request_region(port, 256, "inia100")) { | |
| printk(KERN_WARNING "inia100: io port 0x%lx, is busy.\n", port); | |
| goto out_disable_device; | |
| } | |
| /* <02> read from base address + 0x50 offset to get the bios balue. */ | |
| bios = ORC_RDWORD(port, 0x50); | |
| shost = scsi_host_alloc(&inia100_template, sizeof(ORC_HCS)); | |
| if (!shost) | |
| goto out_release_region; | |
| pHCB = (ORC_HCS *)shost->hostdata; | |
| pHCB->pdev = pdev; | |
| pHCB->HCS_Base = port; | |
| pHCB->HCS_BIOS = bios; | |
| spin_lock_init(&pHCB->BitAllocFlagLock); | |
| /* Get total memory needed for SCB */ | |
| sz = ORC_MAXQUEUE * sizeof(ORC_SCB); | |
| pHCB->HCS_virScbArray = pci_alloc_consistent(pdev, sz, | |
| &pHCB->HCS_physScbArray); | |
| if (!pHCB->HCS_virScbArray) { | |
| printk("inia100: SCB memory allocation error\n"); | |
| goto out_host_put; | |
| } | |
| memset(pHCB->HCS_virScbArray, 0, sz); | |
| /* Get total memory needed for ESCB */ | |
| sz = ORC_MAXQUEUE * sizeof(ESCB); | |
| pHCB->HCS_virEscbArray = pci_alloc_consistent(pdev, sz, | |
| &pHCB->HCS_physEscbArray); | |
| if (!pHCB->HCS_virEscbArray) { | |
| printk("inia100: ESCB memory allocation error\n"); | |
| goto out_free_scb_array; | |
| } | |
| memset(pHCB->HCS_virEscbArray, 0, sz); | |
| dBiosAdr = pHCB->HCS_BIOS; | |
| dBiosAdr = (dBiosAdr << 4); | |
| pbBiosAdr = phys_to_virt(dBiosAdr); | |
| if (init_orchid(pHCB)) { /* Initialize orchid chip */ | |
| printk("inia100: initial orchid fail!!\n"); | |
| goto out_free_escb_array; | |
| } | |
| shost->io_port = pHCB->HCS_Base; | |
| shost->n_io_port = 0xff; | |
| shost->can_queue = ORC_MAXQUEUE; | |
| shost->unique_id = shost->io_port; | |
| shost->max_id = pHCB->HCS_MaxTar; | |
| shost->max_lun = 16; | |
| shost->irq = pHCB->HCS_Intr = pdev->irq; | |
| shost->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */ | |
| shost->sg_tablesize = TOTAL_SG_ENTRY; | |
| /* Initial orc chip */ | |
| error = request_irq(pdev->irq, inia100_intr, IRQF_SHARED, | |
| "inia100", shost); | |
| if (error < 0) { | |
| printk(KERN_WARNING "inia100: unable to get irq %d\n", | |
| pdev->irq); | |
| goto out_free_escb_array; | |
| } | |
| pci_set_drvdata(pdev, shost); | |
| error = scsi_add_host(shost, &pdev->dev); | |
| if (error) | |
| goto out_free_irq; | |
| scsi_scan_host(shost); | |
| return 0; | |
| out_free_irq: | |
| free_irq(shost->irq, shost); | |
| out_free_escb_array: | |
| pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ESCB), | |
| pHCB->HCS_virEscbArray, pHCB->HCS_physEscbArray); | |
| out_free_scb_array: | |
| pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ORC_SCB), | |
| pHCB->HCS_virScbArray, pHCB->HCS_physScbArray); | |
| out_host_put: | |
| scsi_host_put(shost); | |
| out_release_region: | |
| release_region(port, 256); | |
| out_disable_device: | |
| pci_disable_device(pdev); | |
| out: | |
| return error; | |
| } | |
| static void __devexit inia100_remove_one(struct pci_dev *pdev) | |
| { | |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
| ORC_HCS *pHCB = (ORC_HCS *)shost->hostdata; | |
| scsi_remove_host(shost); | |
| free_irq(shost->irq, shost); | |
| pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ESCB), | |
| pHCB->HCS_virEscbArray, pHCB->HCS_physEscbArray); | |
| pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ORC_SCB), | |
| pHCB->HCS_virScbArray, pHCB->HCS_physScbArray); | |
| release_region(shost->io_port, 256); | |
| scsi_host_put(shost); | |
| } | |
| static struct pci_device_id inia100_pci_tbl[] = { | |
| {PCI_VENDOR_ID_INIT, 0x1060, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
| {0,} | |
| }; | |
| MODULE_DEVICE_TABLE(pci, inia100_pci_tbl); | |
| static struct pci_driver inia100_pci_driver = { | |
| .name = "inia100", | |
| .id_table = inia100_pci_tbl, | |
| .probe = inia100_probe_one, | |
| .remove = __devexit_p(inia100_remove_one), | |
| }; | |
| static int __init inia100_init(void) | |
| { | |
| return pci_register_driver(&inia100_pci_driver); | |
| } | |
| static void __exit inia100_exit(void) | |
| { | |
| pci_unregister_driver(&inia100_pci_driver); | |
| } | |
| MODULE_DESCRIPTION("Initio A100U2W SCSI driver"); | |
| MODULE_AUTHOR("Initio Corporation"); | |
| MODULE_LICENSE("Dual BSD/GPL"); | |
| module_init(inia100_init); | |
| module_exit(inia100_exit); |