| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds | 1153 | 79.96% | 3 | 23.08% |
| Justin T. Gibbs | 253 | 17.55% | 4 | 30.77% |
| James Bottomley | 14 | 0.97% | 1 | 7.69% |
| Dave Jones | 11 | 0.76% | 1 | 7.69% |
| Pekka J Enberg | 6 | 0.42% | 1 | 7.69% |
| Christoph Hellwig | 3 | 0.21% | 1 | 7.69% |
| Alan Cox | 1 | 0.07% | 1 | 7.69% |
| Tobias Klauser | 1 | 0.07% | 1 | 7.69% |
| Total | 1442 | 13 |
/* * Product specific probe and attach routines for: * 27/284X and aic7770 motherboard SCSI controllers * * Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs. * 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. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. * * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#32 $ * * $FreeBSD$ */ #include "aic7xxx_osm.h" #include "aic7xxx_inline.h" #include "aic7xxx_93cx6.h" #define ID_AIC7770 0x04907770 #define ID_AHA_274x 0x04907771 #define ID_AHA_284xB 0x04907756 /* BIOS enabled */ #define ID_AHA_284x 0x04907757 /* BIOS disabled*/ #define ID_OLV_274x 0x04907782 /* Olivetti OEM */ #define ID_OLV_274xD 0x04907783 /* Olivetti OEM (Differential) */ static int aic7770_chip_init(struct ahc_softc *ahc); static int aha2840_load_seeprom(struct ahc_softc *ahc); static ahc_device_setup_t ahc_aic7770_VL_setup; static ahc_device_setup_t ahc_aic7770_EISA_setup; static ahc_device_setup_t ahc_aic7770_setup; struct aic7770_identity aic7770_ident_table[] = { { ID_AHA_274x, 0xFFFFFFFF, "Adaptec 274X SCSI adapter", ahc_aic7770_EISA_setup }, { ID_AHA_284xB, 0xFFFFFFFE, "Adaptec 284X SCSI adapter", ahc_aic7770_VL_setup }, { ID_AHA_284x, 0xFFFFFFFE, "Adaptec 284X SCSI adapter (BIOS Disabled)", ahc_aic7770_VL_setup }, { ID_OLV_274x, 0xFFFFFFFF, "Adaptec (Olivetti OEM) 274X SCSI adapter", ahc_aic7770_EISA_setup }, { ID_OLV_274xD, 0xFFFFFFFF, "Adaptec (Olivetti OEM) 274X Differential SCSI adapter", ahc_aic7770_EISA_setup }, /* Generic chip probes for devices we don't know 'exactly' */ { ID_AIC7770, 0xFFFFFFFF, "Adaptec aic7770 SCSI adapter", ahc_aic7770_EISA_setup } }; const int ahc_num_aic7770_devs = ARRAY_SIZE(aic7770_ident_table); struct aic7770_identity * aic7770_find_device(uint32_t id) { struct aic7770_identity *entry; int i; for (i = 0; i < ahc_num_aic7770_devs; i++) { entry = &aic7770_ident_table[i]; if (entry->full_id == (id & entry->id_mask)) return (entry); } return (NULL); } int aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io) { int error; int have_seeprom; u_int hostconf; u_int irq; u_int intdef; error = entry->setup(ahc); have_seeprom = 0; if (error != 0) return (error); error = aic7770_map_registers(ahc, io); if (error != 0) return (error); /* * Before we continue probing the card, ensure that * its interrupts are *disabled*. We don't want * a misstep to hang the machine in an interrupt * storm. */ ahc_intr_enable(ahc, FALSE); ahc->description = entry->name; error = ahc_softc_init(ahc); if (error != 0) return (error); ahc->bus_chip_init = aic7770_chip_init; error = ahc_reset(ahc, /*reinit*/FALSE); if (error != 0) return (error); /* Make sure we have a valid interrupt vector */ intdef = ahc_inb(ahc, INTDEF); irq = intdef & VECTOR; switch (irq) { case 9: case 10: case 11: case 12: case 14: case 15: break; default: printk("aic7770_config: invalid irq setting %d\n", intdef); return (ENXIO); } if ((intdef & EDGE_TRIG) != 0) ahc->flags |= AHC_EDGE_INTERRUPT; switch (ahc->chip & (AHC_EISA|AHC_VL)) { case AHC_EISA: { u_int biosctrl; u_int scsiconf; u_int scsiconf1; biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); scsiconf = ahc_inb(ahc, SCSICONF); scsiconf1 = ahc_inb(ahc, SCSICONF + 1); /* Get the primary channel information */ if ((biosctrl & CHANNEL_B_PRIMARY) != 0) ahc->flags |= 1; if ((biosctrl & BIOSMODE) == BIOSDISABLED) { ahc->flags |= AHC_USEDEFAULTS; } else { if ((ahc->features & AHC_WIDE) != 0) { ahc->our_id = scsiconf1 & HWSCSIID; if (scsiconf & TERM_ENB) ahc->flags |= AHC_TERM_ENB_A; } else { ahc->our_id = scsiconf & HSCSIID; ahc->our_id_b = scsiconf1 & HSCSIID; if (scsiconf & TERM_ENB) ahc->flags |= AHC_TERM_ENB_A; if (scsiconf1 & TERM_ENB) ahc->flags |= AHC_TERM_ENB_B; } } if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; break; } case AHC_VL: { have_seeprom = aha2840_load_seeprom(ahc); break; } default: break; } if (have_seeprom == 0) { kfree(ahc->seep_config); ahc->seep_config = NULL; } /* * Ensure autoflush is enabled */ ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); /* Setup the FIFO threshold and the bus off time */ hostconf = ahc_inb(ahc, HOSTCONF); ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH); ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF); ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH; ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF; /* * Generic aic7xxx initialization. */ error = ahc_init(ahc); if (error != 0) return (error); error = aic7770_map_int(ahc, irq); if (error != 0) return (error); ahc->init_level++; /* * Enable the board's BUS drivers */ ahc_outb(ahc, BCTL, ENABLE); return (0); } static int aic7770_chip_init(struct ahc_softc *ahc) { ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd); ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime); ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); ahc_outb(ahc, BCTL, ENABLE); return (ahc_chip_init(ahc)); } /* * Read the 284x SEEPROM. */ static int aha2840_load_seeprom(struct ahc_softc *ahc) { struct seeprom_descriptor sd; struct seeprom_config *sc; int have_seeprom; uint8_t scsi_conf; sd.sd_ahc = ahc; sd.sd_control_offset = SEECTL_2840; sd.sd_status_offset = STATUS_2840; sd.sd_dataout_offset = STATUS_2840; sd.sd_chip = C46; sd.sd_MS = 0; sd.sd_RDY = EEPROM_TF; sd.sd_CS = CS_2840; sd.sd_CK = CK_2840; sd.sd_DO = DO_2840; sd.sd_DI = DI_2840; sc = ahc->seep_config; if (bootverbose) printk("%s: Reading SEEPROM...", ahc_name(ahc)); have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc, /*start_addr*/0, sizeof(*sc)/2); if (have_seeprom) { if (ahc_verify_cksum(sc) == 0) { if(bootverbose) printk ("checksum error\n"); have_seeprom = 0; } else if (bootverbose) { printk("done.\n"); } } if (!have_seeprom) { if (bootverbose) printk("%s: No SEEPROM available\n", ahc_name(ahc)); ahc->flags |= AHC_USEDEFAULTS; } else { /* * Put the data we've collected down into SRAM * where ahc_init will find it. */ int i; int max_targ; uint16_t discenable; max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8; discenable = 0; for (i = 0; i < max_targ; i++){ uint8_t target_settings; target_settings = (sc->device_flags[i] & CFXFER) << 4; if (sc->device_flags[i] & CFSYNCH) target_settings |= SOFS; if (sc->device_flags[i] & CFWIDEB) target_settings |= WIDEXFER; if (sc->device_flags[i] & CFDISC) discenable |= (0x01 << i); ahc_outb(ahc, TARG_SCSIRATE + i, target_settings); } ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff)); ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff)); ahc->our_id = sc->brtime_id & CFSCSIID; scsi_conf = (ahc->our_id & 0x7); if (sc->adapter_control & CFSPARITY) scsi_conf |= ENSPCHK; if (sc->adapter_control & CFRESETB) scsi_conf |= RESET_SCSI; if (sc->bios_control & CF284XEXTEND) ahc->flags |= AHC_EXTENDED_TRANS_A; /* Set SCSICONF info */ ahc_outb(ahc, SCSICONF, scsi_conf); if (sc->adapter_control & CF284XSTERM) ahc->flags |= AHC_TERM_ENB_A; } return (have_seeprom); } static int ahc_aic7770_VL_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7770_setup(ahc); ahc->chip |= AHC_VL; return (error); } static int ahc_aic7770_EISA_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7770_setup(ahc); ahc->chip |= AHC_EISA; return (error); } static int ahc_aic7770_setup(struct ahc_softc *ahc) { ahc->channel = 'A'; ahc->channel_b = 'B'; ahc->chip = AHC_AIC7770; ahc->features = AHC_AIC7770_FE; ahc->bugs |= AHC_TMODE_WIDEODD_BUG; ahc->flags |= AHC_PAGESCBS; ahc->instruction_ram_size = 448; return (0); }
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