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 /* local prototypes */ 28 static int ata_netcell_chipinit(device_t dev); 29 static int ata_netcell_allocate(device_t dev); 30 static void ata_netcell_setmode(device_t dev, int mode); 31 32 /* 33 * NetCell chipset support functions 34 */ 35 int 36 ata_netcell_ident(device_t dev) 37 { 38 struct ata_pci_controller *ctlr = device_get_softc(dev); 39 40 if (pci_get_devid(dev) == ATA_NETCELL_SR) { 41 device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller"); 42 ctlr->chipinit = ata_netcell_chipinit; 43 return 0; 44 } 45 return ENXIO; 46 } 47 48 static int 49 ata_netcell_chipinit(device_t dev) 50 { 51 struct ata_pci_controller *ctlr = device_get_softc(dev); 52 53 if (ata_setup_interrupt(dev, ata_generic_intr)) 54 return ENXIO; 55 56 ctlr->allocate = ata_netcell_allocate; 57 ctlr->setmode = ata_netcell_setmode; 58 return 0; 59 } 60 61 static int 62 ata_netcell_allocate(device_t dev) 63 { 64 struct ata_channel *ch = device_get_softc(dev); 65 66 /* setup the usual register normal pci style */ 67 if (ata_pci_allocate(dev)) 68 return ENXIO; 69 70 /* the NetCell only supports 16 bit PIO transfers */ 71 ch->flags |= ATA_USE_16BIT; 72 73 return 0; 74 } 75 76 static void 77 ata_netcell_setmode(device_t dev, int mode) 78 { 79 struct ata_device *atadev = device_get_softc(dev); 80 81 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 82 mode = ata_check_80pin(dev, mode); 83 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 84 atadev->mode = mode; 85 } 86