1dce93cd0SAchim Leubner /*- 2dce93cd0SAchim Leubner * Copyright (c) 2000 Michael Smith 3dce93cd0SAchim Leubner * Copyright (c) 2001 Scott Long 4dce93cd0SAchim Leubner * Copyright (c) 2000 BSDi 5dce93cd0SAchim Leubner * Copyright (c) 2001-2010 Adaptec, Inc. 6dce93cd0SAchim Leubner * Copyright (c) 2010-2012 PMC-Sierra, Inc. 7dce93cd0SAchim Leubner * All rights reserved. 8dce93cd0SAchim Leubner * 9dce93cd0SAchim Leubner * Redistribution and use in source and binary forms, with or without 10dce93cd0SAchim Leubner * modification, are permitted provided that the following conditions 11dce93cd0SAchim Leubner * are met: 12dce93cd0SAchim Leubner * 1. Redistributions of source code must retain the above copyright 13dce93cd0SAchim Leubner * notice, this list of conditions and the following disclaimer. 14dce93cd0SAchim Leubner * 2. Redistributions in binary form must reproduce the above copyright 15dce93cd0SAchim Leubner * notice, this list of conditions and the following disclaimer in the 16dce93cd0SAchim Leubner * documentation and/or other materials provided with the distribution. 17dce93cd0SAchim Leubner * 18dce93cd0SAchim Leubner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19dce93cd0SAchim Leubner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20dce93cd0SAchim Leubner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21dce93cd0SAchim Leubner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22dce93cd0SAchim Leubner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23dce93cd0SAchim Leubner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24dce93cd0SAchim Leubner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25dce93cd0SAchim Leubner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26dce93cd0SAchim Leubner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27dce93cd0SAchim Leubner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28dce93cd0SAchim Leubner * SUCH DAMAGE. 29dce93cd0SAchim Leubner */ 30dce93cd0SAchim Leubner 31dce93cd0SAchim Leubner #include <sys/cdefs.h> 32dce93cd0SAchim Leubner __FBSDID("$FreeBSD$"); 33dce93cd0SAchim Leubner 34dce93cd0SAchim Leubner /* 35dce93cd0SAchim Leubner * PCI bus interface and resource allocation. 36dce93cd0SAchim Leubner */ 37dce93cd0SAchim Leubner 38dce93cd0SAchim Leubner #include "opt_aacraid.h" 39dce93cd0SAchim Leubner 40dce93cd0SAchim Leubner #include <sys/param.h> 41dce93cd0SAchim Leubner #include <sys/systm.h> 42dce93cd0SAchim Leubner #include <sys/kernel.h> 43dce93cd0SAchim Leubner #include <sys/module.h> 44dce93cd0SAchim Leubner 45dce93cd0SAchim Leubner #include <sys/bio.h> 46dce93cd0SAchim Leubner #include <sys/bus.h> 47dce93cd0SAchim Leubner #include <sys/conf.h> 48dce93cd0SAchim Leubner #include <sys/disk.h> 49dce93cd0SAchim Leubner 50dce93cd0SAchim Leubner #include <machine/bus.h> 51dce93cd0SAchim Leubner #include <machine/resource.h> 52dce93cd0SAchim Leubner #include <sys/rman.h> 53dce93cd0SAchim Leubner 54dce93cd0SAchim Leubner #include <dev/pci/pcireg.h> 55dce93cd0SAchim Leubner #include <dev/pci/pcivar.h> 56dce93cd0SAchim Leubner 57dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_reg.h> 58dce93cd0SAchim Leubner #include <sys/aac_ioctl.h> 59dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_debug.h> 60dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_var.h> 61dce93cd0SAchim Leubner 62dce93cd0SAchim Leubner static int aacraid_pci_probe(device_t dev); 63dce93cd0SAchim Leubner static int aacraid_pci_attach(device_t dev); 64dce93cd0SAchim Leubner 65dce93cd0SAchim Leubner static device_method_t aacraid_methods[] = { 66dce93cd0SAchim Leubner /* Device interface */ 67dce93cd0SAchim Leubner DEVMETHOD(device_probe, aacraid_pci_probe), 68dce93cd0SAchim Leubner DEVMETHOD(device_attach, aacraid_pci_attach), 69dce93cd0SAchim Leubner DEVMETHOD(device_detach, aacraid_detach), 70dce93cd0SAchim Leubner DEVMETHOD(device_suspend, aacraid_suspend), 71dce93cd0SAchim Leubner DEVMETHOD(device_resume, aacraid_resume), 72dce93cd0SAchim Leubner 73dce93cd0SAchim Leubner DEVMETHOD(bus_print_child, bus_generic_print_child), 74dce93cd0SAchim Leubner DEVMETHOD(bus_driver_added, bus_generic_driver_added), 75dce93cd0SAchim Leubner { 0, 0 } 76dce93cd0SAchim Leubner }; 77dce93cd0SAchim Leubner 78dce93cd0SAchim Leubner static driver_t aacraid_pci_driver = { 79dce93cd0SAchim Leubner "aacraid", 80dce93cd0SAchim Leubner aacraid_methods, 81dce93cd0SAchim Leubner sizeof(struct aac_softc) 82dce93cd0SAchim Leubner }; 83dce93cd0SAchim Leubner 84dce93cd0SAchim Leubner static devclass_t aacraid_devclass; 85dce93cd0SAchim Leubner 86dce93cd0SAchim Leubner DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0); 87dce93cd0SAchim Leubner MODULE_DEPEND(aacraid, pci, 1, 1, 1); 88dce93cd0SAchim Leubner 89dce93cd0SAchim Leubner struct aac_ident 90dce93cd0SAchim Leubner { 91dce93cd0SAchim Leubner u_int16_t vendor; 92dce93cd0SAchim Leubner u_int16_t device; 93dce93cd0SAchim Leubner u_int16_t subvendor; 94dce93cd0SAchim Leubner u_int16_t subdevice; 95dce93cd0SAchim Leubner int hwif; 96dce93cd0SAchim Leubner int quirks; 97dce93cd0SAchim Leubner char *desc; 98dce93cd0SAchim Leubner } aacraid_family_identifiers[] = { 99dce93cd0SAchim Leubner {0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0, 100dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 101dce93cd0SAchim Leubner {0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0, 102dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 103dce93cd0SAchim Leubner {0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0, 104dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 105dce93cd0SAchim Leubner {0x9005, 0x028f, 0, 0, AAC_HWIF_SRCV, 0, 106dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 107dce93cd0SAchim Leubner {0, 0, 0, 0, 0, 0, 0} 108dce93cd0SAchim Leubner }; 109dce93cd0SAchim Leubner 110dce93cd0SAchim Leubner static struct aac_ident * 111dce93cd0SAchim Leubner aac_find_ident(device_t dev) 112dce93cd0SAchim Leubner { 113dce93cd0SAchim Leubner struct aac_ident *m; 114*8a27a339SWarner Losh u_int16_t vendid, devid; 115dce93cd0SAchim Leubner 116dce93cd0SAchim Leubner vendid = pci_get_vendor(dev); 117dce93cd0SAchim Leubner devid = pci_get_device(dev); 118dce93cd0SAchim Leubner 119dce93cd0SAchim Leubner for (m = aacraid_family_identifiers; m->vendor != 0; m++) { 120dce93cd0SAchim Leubner if ((m->vendor == vendid) && (m->device == devid)) 121dce93cd0SAchim Leubner return (m); 122dce93cd0SAchim Leubner } 123dce93cd0SAchim Leubner 124dce93cd0SAchim Leubner return (NULL); 125dce93cd0SAchim Leubner } 126dce93cd0SAchim Leubner 127dce93cd0SAchim Leubner /* 128dce93cd0SAchim Leubner * Determine whether this is one of our supported adapters. 129dce93cd0SAchim Leubner */ 130dce93cd0SAchim Leubner static int 131dce93cd0SAchim Leubner aacraid_pci_probe(device_t dev) 132dce93cd0SAchim Leubner { 133dce93cd0SAchim Leubner struct aac_ident *id; 134dce93cd0SAchim Leubner 135dce93cd0SAchim Leubner fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 136dce93cd0SAchim Leubner 137dce93cd0SAchim Leubner if ((id = aac_find_ident(dev)) != NULL) { 138dce93cd0SAchim Leubner device_set_desc(dev, id->desc); 139dce93cd0SAchim Leubner return(BUS_PROBE_DEFAULT); 140dce93cd0SAchim Leubner } 141dce93cd0SAchim Leubner return(ENXIO); 142dce93cd0SAchim Leubner } 143dce93cd0SAchim Leubner 144dce93cd0SAchim Leubner /* 145dce93cd0SAchim Leubner * Allocate resources for our device, set up the bus interface. 146dce93cd0SAchim Leubner */ 147dce93cd0SAchim Leubner static int 148dce93cd0SAchim Leubner aacraid_pci_attach(device_t dev) 149dce93cd0SAchim Leubner { 150dce93cd0SAchim Leubner struct aac_softc *sc; 151dce93cd0SAchim Leubner struct aac_ident *id; 152dce93cd0SAchim Leubner int error; 153dce93cd0SAchim Leubner u_int32_t command; 154dce93cd0SAchim Leubner 155dce93cd0SAchim Leubner fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 156dce93cd0SAchim Leubner 157dce93cd0SAchim Leubner /* 158dce93cd0SAchim Leubner * Initialise softc. 159dce93cd0SAchim Leubner */ 160dce93cd0SAchim Leubner sc = device_get_softc(dev); 161dce93cd0SAchim Leubner bzero(sc, sizeof(*sc)); 162dce93cd0SAchim Leubner sc->aac_dev = dev; 163dce93cd0SAchim Leubner 164dce93cd0SAchim Leubner /* assume failure is 'not configured' */ 165dce93cd0SAchim Leubner error = ENXIO; 166dce93cd0SAchim Leubner 167dce93cd0SAchim Leubner /* 168dce93cd0SAchim Leubner * Verify that the adapter is correctly set up in PCI space. 169dce93cd0SAchim Leubner */ 170c68534f1SScott Long pci_enable_busmaster(dev); 171dce93cd0SAchim Leubner command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 172dce93cd0SAchim Leubner if (!(command & PCIM_CMD_BUSMASTEREN)) { 173dce93cd0SAchim Leubner device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 174dce93cd0SAchim Leubner goto out; 175dce93cd0SAchim Leubner } 176dce93cd0SAchim Leubner 177dce93cd0SAchim Leubner /* 178dce93cd0SAchim Leubner * Detect the hardware interface version, set up the bus interface 179dce93cd0SAchim Leubner * indirection. 180dce93cd0SAchim Leubner */ 181dce93cd0SAchim Leubner id = aac_find_ident(dev); 182dce93cd0SAchim Leubner sc->aac_hwif = id->hwif; 183dce93cd0SAchim Leubner switch(sc->aac_hwif) { 184dce93cd0SAchim Leubner case AAC_HWIF_SRC: 185dce93cd0SAchim Leubner fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC"); 186dce93cd0SAchim Leubner sc->aac_if = aacraid_src_interface; 187dce93cd0SAchim Leubner break; 188dce93cd0SAchim Leubner case AAC_HWIF_SRCV: 189dce93cd0SAchim Leubner fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv"); 190dce93cd0SAchim Leubner sc->aac_if = aacraid_srcv_interface; 191dce93cd0SAchim Leubner break; 192dce93cd0SAchim Leubner default: 193dce93cd0SAchim Leubner sc->aac_hwif = AAC_HWIF_UNKNOWN; 194dce93cd0SAchim Leubner device_printf(sc->aac_dev, "unknown hardware type\n"); 195dce93cd0SAchim Leubner error = ENXIO; 196dce93cd0SAchim Leubner goto out; 197dce93cd0SAchim Leubner } 198dce93cd0SAchim Leubner 199dce93cd0SAchim Leubner /* assume failure is 'out of memory' */ 200dce93cd0SAchim Leubner error = ENOMEM; 201dce93cd0SAchim Leubner 202dce93cd0SAchim Leubner /* 203dce93cd0SAchim Leubner * Allocate the PCI register window. 204dce93cd0SAchim Leubner */ 205dce93cd0SAchim Leubner sc->aac_regs_rid0 = PCIR_BAR(0); 206dce93cd0SAchim Leubner if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev, 207dce93cd0SAchim Leubner SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) { 208dce93cd0SAchim Leubner device_printf(sc->aac_dev, 209dce93cd0SAchim Leubner "couldn't allocate register window 0\n"); 210dce93cd0SAchim Leubner goto out; 211dce93cd0SAchim Leubner } 212dce93cd0SAchim Leubner sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 213dce93cd0SAchim Leubner sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 214dce93cd0SAchim Leubner 215dce93cd0SAchim Leubner sc->aac_regs_rid1 = PCIR_BAR(2); 216dce93cd0SAchim Leubner if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev, 217dce93cd0SAchim Leubner SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) { 218dce93cd0SAchim Leubner device_printf(sc->aac_dev, 219dce93cd0SAchim Leubner "couldn't allocate register window 1\n"); 220dce93cd0SAchim Leubner goto out; 221dce93cd0SAchim Leubner } 222dce93cd0SAchim Leubner sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 223dce93cd0SAchim Leubner sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 224dce93cd0SAchim Leubner 225dce93cd0SAchim Leubner /* 226dce93cd0SAchim Leubner * Allocate the parent bus DMA tag appropriate for our PCI interface. 227dce93cd0SAchim Leubner * 228dce93cd0SAchim Leubner * Note that some of these controllers are 64-bit capable. 229dce93cd0SAchim Leubner */ 230dce93cd0SAchim Leubner if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 231dce93cd0SAchim Leubner PAGE_SIZE, 0, /* algnmnt, boundary */ 232dce93cd0SAchim Leubner BUS_SPACE_MAXADDR, /* lowaddr */ 233dce93cd0SAchim Leubner BUS_SPACE_MAXADDR, /* highaddr */ 234dce93cd0SAchim Leubner NULL, NULL, /* filter, filterarg */ 235dce93cd0SAchim Leubner BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 236dce93cd0SAchim Leubner BUS_SPACE_UNRESTRICTED, /* nsegments */ 237dce93cd0SAchim Leubner BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 238dce93cd0SAchim Leubner 0, /* flags */ 239dce93cd0SAchim Leubner NULL, NULL, /* No locking needed */ 240dce93cd0SAchim Leubner &sc->aac_parent_dmat)) { 241dce93cd0SAchim Leubner device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 242dce93cd0SAchim Leubner goto out; 243dce93cd0SAchim Leubner } 244dce93cd0SAchim Leubner 245dce93cd0SAchim Leubner /* Set up quirks */ 246dce93cd0SAchim Leubner sc->flags = id->quirks; 247dce93cd0SAchim Leubner 248dce93cd0SAchim Leubner /* 249dce93cd0SAchim Leubner * Do bus-independent initialisation. 250dce93cd0SAchim Leubner */ 251dce93cd0SAchim Leubner error = aacraid_attach(sc); 252dce93cd0SAchim Leubner 253dce93cd0SAchim Leubner out: 254dce93cd0SAchim Leubner if (error) 255dce93cd0SAchim Leubner aacraid_free(sc); 256dce93cd0SAchim Leubner return(error); 257dce93cd0SAchim Leubner } 258