1 /*- 2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/module.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/ata.h> 35 #include <sys/bus.h> 36 #include <sys/endian.h> 37 #include <sys/malloc.h> 38 #include <sys/lock.h> 39 #include <sys/mutex.h> 40 #include <sys/sema.h> 41 #include <sys/taskqueue.h> 42 #include <vm/uma.h> 43 #include <machine/stdarg.h> 44 #include <machine/resource.h> 45 #include <machine/bus.h> 46 #include <sys/rman.h> 47 #include <dev/pci/pcivar.h> 48 #include <dev/pci/pcireg.h> 49 #include <dev/ata/ata-all.h> 50 #include <dev/ata/ata-pci.h> 51 #include <ata_if.h> 52 53 /* local prototypes */ 54 static int ata_netcell_chipinit(device_t dev); 55 static int ata_netcell_ch_attach(device_t dev); 56 static int ata_netcell_setmode(device_t dev, int target, int mode); 57 58 /* 59 * NetCell chipset support functions 60 */ 61 static int 62 ata_netcell_probe(device_t dev) 63 { 64 struct ata_pci_controller *ctlr = device_get_softc(dev); 65 66 if (pci_get_devid(dev) == ATA_NETCELL_SR) { 67 device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller"); 68 ctlr->chipinit = ata_netcell_chipinit; 69 return (BUS_PROBE_LOW_PRIORITY); 70 } 71 return ENXIO; 72 } 73 74 static int 75 ata_netcell_chipinit(device_t dev) 76 { 77 struct ata_pci_controller *ctlr = device_get_softc(dev); 78 79 if (ata_setup_interrupt(dev, ata_generic_intr)) 80 return ENXIO; 81 82 ctlr->ch_attach = ata_netcell_ch_attach; 83 ctlr->setmode = ata_netcell_setmode; 84 return 0; 85 } 86 87 static int 88 ata_netcell_ch_attach(device_t dev) 89 { 90 struct ata_channel *ch = device_get_softc(dev); 91 92 /* setup the usual register normal pci style */ 93 if (ata_pci_ch_attach(dev)) 94 return ENXIO; 95 96 /* the NetCell only supports 16 bit PIO transfers */ 97 ch->flags |= ATA_USE_16BIT; 98 /* It is a hardware RAID without cable. */ 99 ch->flags |= ATA_CHECKS_CABLE; 100 return 0; 101 } 102 103 static int 104 ata_netcell_setmode(device_t dev, int target, int mode) 105 { 106 107 return (min(mode, ATA_UDMA6)); 108 } 109 110 ATA_DECLARE_DRIVER(ata_netcell); 111