^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Linux driver attachment glue for aic7770 based controllers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2000-2003 Adaptec Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * notice, this list of conditions, and the following disclaimer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * without modification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * 2. Redistributions in binary form must reproduce at minimum a disclaimer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * substantially similar to the "NO WARRANTY" disclaimer below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * ("Disclaimer") and any redistribution must be conditioned upon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * including a substantially similar Disclaimer requirement for further
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * binary redistribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * 3. Neither the names of the above-listed copyright holders nor the names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * of any contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * POSSIBILITY OF SUCH DAMAGES.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#14 $
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "aic7xxx_osm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <linux/eisa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) aic7770_map_registers(struct ahc_softc *ahc, u_int port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * Lock out other contenders for our i/o space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (!request_region(port, AHC_EISA_IOSIZE, "aic7xxx"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return (ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ahc->tag = BUS_SPACE_PIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) ahc->bsh.ioport = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return (0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) aic7770_map_int(struct ahc_softc *ahc, u_int irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int shared;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) shared = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) shared = IRQF_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (error == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ahc->platform_data->irq = irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return (-error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) aic7770_probe(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct eisa_device *edev = to_eisa_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct ahc_softc *ahc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) char buf[80];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) name = kstrdup(buf, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (name == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return (ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ahc = ahc_alloc(&aic7xxx_driver_template, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (ahc == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return (ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) ahc->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) eisaBase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (error != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ahc->bsh.ioport = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ahc_free(ahc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return (error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) dev_set_drvdata(dev, ahc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) error = ahc_linux_register_host(ahc, &aic7xxx_driver_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return (error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) aic7770_remove(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct ahc_softc *ahc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u_long s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (ahc->platform_data && ahc->platform_data->host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) scsi_remove_host(ahc->platform_data->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ahc_lock(ahc, &s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ahc_intr_enable(ahc, FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ahc_unlock(ahc, &s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ahc_free(ahc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static struct eisa_device_id aic7770_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) { "ADP7771", 0 }, /* AHA 274x */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) { "ADP7756", 1 }, /* AHA 284x BIOS enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) { "ADP7757", 2 }, /* AHA 284x BIOS disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) { "ADP7782", 3 }, /* AHA 274x Olivetti OEM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) { "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) { "ADP7770", 5 }, /* AIC7770 generic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) { "" }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) MODULE_DEVICE_TABLE(eisa, aic7770_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static struct eisa_driver aic7770_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .id_table = aic7770_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .name = "aic7xxx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .probe = aic7770_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .remove = aic7770_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) ahc_linux_eisa_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return eisa_driver_register(&aic7770_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) ahc_linux_eisa_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) eisa_driver_unregister(&aic7770_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }