/*- * Copyright (c) 1998,1999 Søren Schmidt * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * * $Id: ata-all.c,v 1.13 1999/05/17 15:58:44 sos Exp $ */ #include "ata.h" #if NATA > 0 #include "isa.h" #include "pci.h" #include "atadisk.h" #include "opt_global.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __i386__ #include #include #endif #if NPCI > 0 #include #include #endif #include #include #include #include #include /* misc defines */ #define UNIT(dev) (dev>>3 & 0x1f) /* assume 8 minor # per unit */ #define MIN(a,b) ((a)>(b)?(b):(a)) #if SMP == 0 #define isa_apic_irq(x) x #endif /* prototypes */ #if NPCI > 0 static void promise_intr(void *); #endif static int32_t ata_probe(int32_t, int32_t, int32_t, device_t, int32_t *); static void ataintr(void *); static int32_t atanlun = 0; struct ata_softc *atadevices[MAXATA]; static devclass_t ata_devclass; #if NISA > 0 static int ata_isaprobe(device_t dev) { struct resource *port; int rid; int32_t ctlr, res; int32_t lun; /* allocate the port range */ rid = 0; port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!port) return (ENOMEM); /* check if allready in use by a PCI device */ for (ctlr = 0; ctlr < atanlun; ctlr++) { if (atadevices[ctlr]->ioaddr == rman_get_start(port)) { printf("ata-isa%d: already registered as ata%d\n", device_get_unit(dev), ctlr); bus_release_resource(dev, SYS_RES_IOPORT, 0, port); return ENXIO; } } lun = 0; res = ata_probe(rman_get_start(port), rman_get_start(port) + ATA_ALTPORT, 0, dev, &lun); bus_release_resource(dev, SYS_RES_IOPORT, 0, port); if (res) { isa_set_portsize(dev, res); *(int *)device_get_softc(dev) = lun; return 0; } return ENXIO; } static int ata_isaattach(device_t dev) { struct resource *port; struct resource *irq; void *ih; int rid; /* Allocate the port range and interrupt */ rid = 0; port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!port) return (ENOMEM); rid = 0; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); if (!irq) { bus_release_resource(dev, SYS_RES_IOPORT, 0, port); return (ENOMEM); } return bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, atadevices[*(int *)device_get_softc(dev)], &ih); } static device_method_t ata_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ata_isaprobe), DEVMETHOD(device_attach, ata_isaattach), { 0, 0 } }; static driver_t ata_isa_driver = { "ata", ata_isa_methods, sizeof(int), }; DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); #endif #if NPCI > 0 static const char * ata_pcimatch(device_t dev) { u_int32_t data; data = pci_read_config(dev, PCI_CLASS_REG, 4); if (pci_get_class(dev) == PCIC_STORAGE && (pci_get_subclass(dev) == PCIS_STORAGE_IDE || pci_get_subclass(dev) == PCIS_STORAGE_RAID)) { switch (pci_get_devid(dev)) { case 0x12308086: return "Intel PIIX IDE controller"; case 0x70108086: return "Intel PIIX3 IDE controller"; case 0x71118086: return "Intel PIIX4 IDE controller"; case 0x4d33105a: return "Promise Ultra/33 IDE controller"; case 0x522910b9: return "AcerLabs Aladdin IDE controller"; #if 0 case 0x05711106: return "VIA Apollo IDE controller"; case 0x06401095: return "CMD 640 IDE controller"; case 0x06461095: return "CMD 646 IDE controller"; case 0xc6931080: return "Cypress 82C693 IDE controller"; case 0x01021078: return "Cyrix 5530 IDE controller"; #endif default: return "Unknown PCI IDE controller"; } } return NULL; } static int ata_pciprobe(device_t dev) { const char *desc = ata_pcimatch(dev); if (desc) { device_set_desc(dev, desc); return 0; } else return ENXIO; } static int ata_pciattach(device_t dev) { int unit = device_get_unit(dev); struct ata_softc *scp; u_int32_t type; u_int8_t class, subclass; u_int32_t cmd; int32_t iobase_1, iobase_2, altiobase_1, altiobase_2; int32_t bmaddr_1 = 0, bmaddr_2 = 0, irq1, irq2; int32_t lun; /* set up vendor-specific stuff */ type = pci_get_devid(dev); class = pci_get_class(dev); subclass = pci_get_subclass(dev); cmd = pci_read_config(dev, PCIR_COMMAND, 4); #ifdef ATA_DEBUG printf("ata-pci%d: type=%08x class=%02x subclass=%02x cmd=%08x\n", unit, type, class, subclass, cmd); #endif /* if this is a Promise controller handle it specially */ if (type == 0x4d33105a) { iobase_1 = pci_read_config(dev, 0x10, 4) & 0xfffc; altiobase_1 = pci_read_config(dev, 0x14, 4) & 0xfffc; iobase_2 = pci_read_config(dev, 0x18, 4) & 0xfffc; altiobase_2 = pci_read_config(dev, 0x1c, 4) & 0xfffc; irq1 = irq2 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff; bmaddr_1 = pci_read_config(dev, 0x20, 4) & 0xfffc; bmaddr_2 = bmaddr_1 + ATA_BM_OFFSET1; outb(bmaddr_1 + 0x1f, inb(bmaddr_1 + 0x1f) | 0x01); printf("ata-pci%d: Busmastering DMA supported\n", unit); } /* everybody else seems to do it this way */ else { if ((unit == 0) && (pci_get_progif(dev) & PCIP_STORAGE_IDE_MODEPRIM) == 0) { iobase_1 = IO_WD1; altiobase_1 = iobase_1 + ATA_ALTPORT; irq1 = 14; } else { iobase_1 = pci_read_config(dev, 0x10, 4) & 0xfffc; altiobase_1 = pci_read_config(dev, 0x14, 4) & 0xfffc; irq1 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff; } if ((unit == 0) && (pci_get_progif(dev) & PCIP_STORAGE_IDE_MODESEC) == 0) { iobase_2 = IO_WD2; altiobase_2 = iobase_2 + ATA_ALTPORT; irq2 = 15; } else { iobase_2 = pci_read_config(dev, 0x18, 4) & 0xfffc; altiobase_2 = pci_read_config(dev, 0x1c, 4) & 0xfffc; irq2 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff; } /* is this controller busmaster capable ? */ if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) { /* is busmastering support turned on ? */ if ((pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4) & 5) == 5) { /* is there a valid port range to connect to ? */ if ((bmaddr_1 = pci_read_config(dev, 0x20, 4) & 0xfffc)) { bmaddr_2 = bmaddr_1 + ATA_BM_OFFSET1; printf("ata-pci%d: Busmastering DMA supported\n", unit); } else printf("ata-pci%d: Busmastering DMA not configured\n",unit); } else printf("ata-pci%d: Busmastering DMA not enabled\n", unit); } else printf("ata-pci%d: Busmastering DMA not supported\n", unit); } /* now probe the addresse found for "real" ATA/ATAPI hardware */ lun = 0; if (ata_probe(iobase_1, altiobase_1, bmaddr_1, dev, &lun)) { scp = atadevices[lun]; if (iobase_1 == IO_WD1) #ifdef __i386__ inthand_add(device_get_nameunit(dev), irq1, ataintr, scp, &bio_imask, INTR_EXCL); #endif #ifdef __alpha__ alpha_platform_setup_ide_intr(0, ataintr, scp); #endif else { struct resource *irq; int rid = 0; void *ih; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (!irq) printf("ata_pciattach: Unable to alloc interrupt\n"); if (type == 0x4d33105a) bus_setup_intr(dev, irq, INTR_TYPE_BIO, promise_intr, scp, &ih); else bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih); } printf("ata%d at 0x%04x irq %d on ata-pci%d\n", lun, iobase_1, isa_apic_irq(irq1), unit); } lun = 1; if (ata_probe(iobase_2, altiobase_2, bmaddr_2, dev, &lun)) { scp = atadevices[lun]; if (iobase_2 == IO_WD2) #ifdef __i386__ inthand_add(device_get_nameunit(dev), irq2, ataintr, scp, &bio_imask, INTR_EXCL); #endif #ifdef __alpha__ alpha_platform_setup_ide_intr(1, ataintr, scp); #endif else { struct resource *irq; int rid = 0; void *ih; if (type != 0x4d33105a) { irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (!irq) printf("ata_pciattach: Unable to alloc interrupt\n"); bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih); } } printf("ata%d at 0x%04x irq %d on ata-pci%d\n", lun, iobase_2, isa_apic_irq(irq2), unit); } return 0; } static device_method_t ata_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ata_pciprobe), DEVMETHOD(device_attach, ata_pciattach), { 0, 0 } }; static driver_t ata_pci_driver = { "ata-pci", ata_pci_methods, sizeof(int), }; DRIVER_MODULE(ata, pci, ata_pci_driver, ata_devclass, 0, 0); static void promise_intr(void *data) { struct ata_softc *scp = (struct ata_softc *)data; int32_t channel = inl((pci_read_config(scp->dev, 0x20, 4) & 0xfffc) + 0x1c); if (channel & 0x00000400) ataintr(data); if (channel & 0x00004000) ataintr(atadevices[scp->lun + 1]); } #endif static int32_t ata_probe(int32_t ioaddr, int32_t altioaddr, int32_t bmaddr, device_t dev, int32_t *unit) { struct ata_softc *scp = atadevices[atanlun]; int32_t mask = 0; int32_t timeout; int32_t lun = atanlun; u_int8_t status0, status1; #ifdef ATA_STATIC_ID atanlun++; #endif if (lun > MAXATA) { printf("ata: unit out of range(%d)\n", lun); return 0; } if (scp) { printf("ata%d: unit already attached\n", lun); return 0; } scp = malloc(sizeof(struct ata_softc), M_DEVBUF, M_NOWAIT); if (scp == NULL) { printf("ata%d: failed to allocate driver storage\n", lun); return 0; } bzero(scp, sizeof(struct ata_softc)); scp->unit = *unit; scp->lun = lun; scp->ioaddr = ioaddr; scp->altioaddr = altioaddr; scp->active = ATA_IDLE; #ifdef ATA_DEBUG printf("ata%d: iobase=0x%04x altiobase=0x%04x\n", scp->lun, scp->ioaddr, scp->altioaddr); #endif /* do we have any signs of ATA/ATAPI HW being present ? */ outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); DELAY(1); status0 = inb(scp->ioaddr + ATA_STATUS); outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); DELAY(1); status1 = inb(scp->ioaddr + ATA_STATUS); if ((status0 & 0xf8) != 0xf8) mask |= 0x01; if ((status1 & 0xf8) != 0xf8) mask |= 0x02; #ifdef ATA_DEBUG printf("ata%d: mask=%02x status0=%02x status1=%02x\n", scp->lun, mask, status0, status1); #endif if (!mask) { free(scp, M_DEVBUF); return 0; } /* assert reset for devices and wait for completition */ outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); DELAY(1); outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET); DELAY(1000); outb(scp->altioaddr, ATA_A_IDS); DELAY(1000); inb(scp->ioaddr + ATA_ERROR); DELAY(1); outb(scp->altioaddr, ATA_A_4BIT); DELAY(1); /* wait for BUSY to go inactive */ for (timeout = 0; timeout < 30000*10; timeout++) { outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); DELAY(1); status0 = inb(scp->ioaddr + ATA_STATUS); outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); DELAY(1); status1 = inb(scp->ioaddr + ATA_STATUS); if (mask == 0x01) /* wait for master only */ if (!(status0 & ATA_S_BSY)) break; if (mask == 0x02) /* wait for slave only */ if (!(status1 & ATA_S_BSY)) break; if (mask == 0x03) /* wait for both master & slave */ if (!(status0 & ATA_S_BSY) && !(status1 & ATA_S_BSY)) break; DELAY(100); } if (status0 & ATA_S_BSY) mask &= ~0x01; if (status1 & ATA_S_BSY) mask &= ~0x02; #ifdef ATA_DEBUG printf("ata%d: mask=%02x status0=%02x status1=%02x\n", scp->lun, mask, status0, status1); #endif if (!mask) { free(scp, M_DEVBUF); return 0; } /* * OK, we have at least one device on the chain, * check for ATAPI signatures, if none check if its * a good old ATA device. */ outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER)); DELAY(1); if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) { scp->devices |= ATA_ATAPI_MASTER; } outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE)); DELAY(1); if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) { scp->devices |= ATA_ATAPI_SLAVE; } if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) { outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER)); DELAY(1); outb(scp->ioaddr + ATA_ERROR, 0x58); outb(scp->ioaddr + ATA_CYL_LSB, 0xa5); if (inb(scp->ioaddr + ATA_ERROR) != 0x58 && inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) { scp->devices |= ATA_ATA_MASTER; } } if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) { outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE)); DELAY(1); outb(scp->ioaddr + ATA_ERROR, 0x58); outb(scp->ioaddr + ATA_CYL_LSB, 0xa5); if (inb(scp->ioaddr + ATA_ERROR) != 0x58 && inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) { scp->devices |= ATA_ATA_SLAVE; } } #ifdef ATA_DEBUG printf("ata%d: devices = 0x%x\n", scp->lun, scp->devices); #endif if (!scp->devices) { free(scp, M_DEVBUF); return 0; } bufq_init(&scp->ata_queue); TAILQ_INIT(&scp->atapi_queue); *unit = scp->lun; scp->dev = dev; if (bmaddr) scp->bmaddr = bmaddr; atadevices[scp->lun] = scp; #ifndef ATA_STATIC_ID atanlun++; #endif return ATA_IOSIZE; } static void ataintr(void *data) { struct ata_softc *scp; struct atapi_request *atapi_request; struct buf *ata_request; u_int8_t status; static int32_t intr_count = 0; scp = (struct ata_softc *)data; /* find & call the responsible driver to process this interrupt */ switch (scp->active) { #if NATADISK > 0 case ATA_ACTIVE_ATA: if ((ata_request = bufq_first(&scp->ata_queue))) if (ad_interrupt(ata_request) == ATA_OP_CONTINUES) return; break; #endif case ATA_ACTIVE_ATAPI: if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) if (atapi_interrupt(atapi_request) == ATA_OP_CONTINUES) return; break; case ATA_WAIT_INTR: wakeup((caddr_t)scp); break; case ATA_IGNORE_INTR: break; default: case ATA_IDLE: status = inb(scp->ioaddr + ATA_STATUS); if (intr_count++ < 10) printf("ata%d: unwanted interrupt %d status = %02x\n", scp->lun, intr_count, status); return; } scp->active = ATA_IDLE; ata_start(scp); } void ata_start(struct ata_softc *scp) { struct buf *ata_request; struct atapi_request *atapi_request; #ifdef ATA_DEBUG printf("ata_start: entered\n"); #endif if (scp->active != ATA_IDLE) { printf("ata: unwanted ata_start\n"); return; } #if NATADISK > 0 /* find & call the responsible driver if anything on ATA queue */ if ((ata_request = bufq_first(&scp->ata_queue))) { scp->active = ATA_ACTIVE_ATA; ad_transfer(ata_request); #ifdef ATA_DEBUG printf("ata_start: started ata, leaving\n"); #endif return; } #endif /* find & call the responsible driver if anything on ATAPI queue */ if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) { scp->active = ATA_ACTIVE_ATAPI; atapi_transfer(atapi_request); #ifdef ATA_DEBUG printf("ata_start: started atapi, leaving\n"); #endif return; } } int32_t ata_wait(struct ata_softc *scp, int32_t device, u_int8_t mask) { u_int8_t status; u_int32_t timeout = 0; while (timeout++ <= 500000) { /* timeout 5 secs */ status = inb(scp->ioaddr + ATA_STATUS); /* if drive fails status, reselect the drive just to be sure */ if (status == 0xff) { printf("ata%d: %s: no status, reselecting device\n", scp->lun, device?"slave":"master"); outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); DELAY(1); status = inb(scp->ioaddr + ATA_STATUS); } if (status == 0xff) return -1; scp->status = status; if (!(status & ATA_S_BSY)) { if (status & ATA_S_ERROR) scp->error = inb(scp->ioaddr + ATA_ERROR); if ((status & mask) == mask) return (status & ATA_S_ERROR); } if (timeout > 1000) DELAY(1000); else DELAY(10); } return -1; } int32_t ata_command(struct ata_softc *scp, int32_t device, u_int32_t command, u_int32_t cylinder, u_int32_t head, u_int32_t sector, u_int32_t count, u_int32_t feature, int32_t flags) { #ifdef ATA_DEBUG printf("ata%d: ata_command: addr=%04x, device=%02x, cmd=%02x, c=%d, h=%d, s=%d, count=%d, flags=%02x\n", scp->lun, scp->ioaddr, device, command, cylinder, head, sector, count, flags); #endif /* ready to issue command ? */ if (ata_wait(scp, device, 0) < 0) { printf("ata%d: %s: timeout waiting to give command s=%02x e=%02x\n", scp->lun, device?"slave":"master", scp->status, scp->error); } outb(scp->ioaddr + ATA_FEATURE, feature); outb(scp->ioaddr + ATA_CYL_LSB, cylinder); outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8); outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head); outb(scp->ioaddr + ATA_SECTOR, sector); outb(scp->ioaddr + ATA_COUNT, count); if (scp->active != ATA_IDLE && flags != ATA_IMMEDIATE) printf("DANGER active=%d\n", scp->active); switch (flags) { case ATA_WAIT_INTR: scp->active = ATA_WAIT_INTR; outb(scp->ioaddr + ATA_CMD, command); if (tsleep((caddr_t)scp, PRIBIO, "atacmd", 500)) { printf("ata_command: timeout waiting for interrupt\n"); scp->active = ATA_IDLE; return -1; } break; case ATA_IGNORE_INTR: scp->active = ATA_IGNORE_INTR; outb(scp->ioaddr + ATA_CMD, command); break; case ATA_IMMEDIATE: default: outb(scp->ioaddr + ATA_CMD, command); break; } #ifdef ATA_DEBUG printf("ata_command: leaving\n"); #endif return 0; } void bswap(int8_t *buf, int32_t len) { u_int16_t *p = (u_int16_t*)(buf + len); while (--p >= (u_int16_t*)buf) *p = ntohs(*p); } void btrim(int8_t *buf, int32_t len) { int8_t *p; for (p = buf; p < buf+len; ++p) if (!*p) *p = ' '; for (p = buf + len - 1; p >= buf && *p == ' '; --p) *p = 0; } void bpack(int8_t *src, int8_t *dst, int32_t len) { int32_t i, j, blank; for (i = j = blank = 0 ; i < len-1; i++) { if (blank && src[i] == ' ') continue; if (blank && src[i] != ' ') { dst[j++] = src[i]; blank = 0; continue; } if (src[i] == ' ') blank = 1; dst[j++] = src[i]; } dst[j] = 0x00; } #endif /* NATA > 0 */