1dce93cd0SAchim Leubner /*- 2718cf2ccSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3718cf2ccSPedro F. Giffuni * 4dce93cd0SAchim Leubner * Copyright (c) 2000 Michael Smith 5dce93cd0SAchim Leubner * Copyright (c) 2001 Scott Long 6dce93cd0SAchim Leubner * Copyright (c) 2000 BSDi 7dce93cd0SAchim Leubner * Copyright (c) 2001-2010 Adaptec, Inc. 8dce93cd0SAchim Leubner * Copyright (c) 2010-2012 PMC-Sierra, Inc. 9dce93cd0SAchim Leubner * All rights reserved. 10dce93cd0SAchim Leubner * 11dce93cd0SAchim Leubner * Redistribution and use in source and binary forms, with or without 12dce93cd0SAchim Leubner * modification, are permitted provided that the following conditions 13dce93cd0SAchim Leubner * are met: 14dce93cd0SAchim Leubner * 1. Redistributions of source code must retain the above copyright 15dce93cd0SAchim Leubner * notice, this list of conditions and the following disclaimer. 16dce93cd0SAchim Leubner * 2. Redistributions in binary form must reproduce the above copyright 17dce93cd0SAchim Leubner * notice, this list of conditions and the following disclaimer in the 18dce93cd0SAchim Leubner * documentation and/or other materials provided with the distribution. 19dce93cd0SAchim Leubner * 20dce93cd0SAchim Leubner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21dce93cd0SAchim Leubner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22dce93cd0SAchim Leubner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23dce93cd0SAchim Leubner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24dce93cd0SAchim Leubner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25dce93cd0SAchim Leubner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26dce93cd0SAchim Leubner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27dce93cd0SAchim Leubner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28dce93cd0SAchim Leubner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29dce93cd0SAchim Leubner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30dce93cd0SAchim Leubner * SUCH DAMAGE. 31dce93cd0SAchim Leubner */ 32dce93cd0SAchim Leubner 33dce93cd0SAchim Leubner #include <sys/cdefs.h> 34dce93cd0SAchim Leubner __FBSDID("$FreeBSD$"); 35dce93cd0SAchim Leubner 36dce93cd0SAchim Leubner /* 37dce93cd0SAchim Leubner * PCI bus interface and resource allocation. 38dce93cd0SAchim Leubner */ 39dce93cd0SAchim Leubner 40dce93cd0SAchim Leubner #include "opt_aacraid.h" 41dce93cd0SAchim Leubner 42dce93cd0SAchim Leubner #include <sys/param.h> 43dce93cd0SAchim Leubner #include <sys/systm.h> 44dce93cd0SAchim Leubner #include <sys/kernel.h> 45dce93cd0SAchim Leubner #include <sys/module.h> 46dce93cd0SAchim Leubner 47dce93cd0SAchim Leubner #include <sys/bio.h> 48dce93cd0SAchim Leubner #include <sys/bus.h> 49dce93cd0SAchim Leubner #include <sys/conf.h> 50dce93cd0SAchim Leubner #include <sys/disk.h> 51dce93cd0SAchim Leubner 52dce93cd0SAchim Leubner #include <machine/bus.h> 53dce93cd0SAchim Leubner #include <machine/resource.h> 54dce93cd0SAchim Leubner #include <sys/rman.h> 55dce93cd0SAchim Leubner 56dce93cd0SAchim Leubner #include <dev/pci/pcireg.h> 57dce93cd0SAchim Leubner #include <dev/pci/pcivar.h> 58dce93cd0SAchim Leubner 59dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_reg.h> 60dce93cd0SAchim Leubner #include <sys/aac_ioctl.h> 61dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_debug.h> 62dce93cd0SAchim Leubner #include <dev/aacraid/aacraid_var.h> 63dce93cd0SAchim Leubner 64dce93cd0SAchim Leubner static int aacraid_pci_probe(device_t dev); 65dce93cd0SAchim Leubner static int aacraid_pci_attach(device_t dev); 66dce93cd0SAchim Leubner 67dce93cd0SAchim Leubner static device_method_t aacraid_methods[] = { 68dce93cd0SAchim Leubner /* Device interface */ 69dce93cd0SAchim Leubner DEVMETHOD(device_probe, aacraid_pci_probe), 70dce93cd0SAchim Leubner DEVMETHOD(device_attach, aacraid_pci_attach), 71dce93cd0SAchim Leubner DEVMETHOD(device_detach, aacraid_detach), 72dce93cd0SAchim Leubner DEVMETHOD(device_suspend, aacraid_suspend), 73dce93cd0SAchim Leubner DEVMETHOD(device_resume, aacraid_resume), 74dce93cd0SAchim Leubner 75dce93cd0SAchim Leubner DEVMETHOD(bus_print_child, bus_generic_print_child), 76dce93cd0SAchim Leubner DEVMETHOD(bus_driver_added, bus_generic_driver_added), 77dce93cd0SAchim Leubner { 0, 0 } 78dce93cd0SAchim Leubner }; 79dce93cd0SAchim Leubner 80dce93cd0SAchim Leubner static driver_t aacraid_pci_driver = { 81dce93cd0SAchim Leubner "aacraid", 82dce93cd0SAchim Leubner aacraid_methods, 83dce93cd0SAchim Leubner sizeof(struct aac_softc) 84dce93cd0SAchim Leubner }; 85dce93cd0SAchim Leubner 86dce93cd0SAchim Leubner struct aac_ident 87dce93cd0SAchim Leubner { 88dce93cd0SAchim Leubner u_int16_t vendor; 89dce93cd0SAchim Leubner u_int16_t device; 90dce93cd0SAchim Leubner u_int16_t subvendor; 91dce93cd0SAchim Leubner u_int16_t subdevice; 92dce93cd0SAchim Leubner int hwif; 93dce93cd0SAchim Leubner int quirks; 94dce93cd0SAchim Leubner char *desc; 95dce93cd0SAchim Leubner } aacraid_family_identifiers[] = { 96dce93cd0SAchim Leubner {0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0, 97dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 98dce93cd0SAchim Leubner {0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0, 99dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 100dce93cd0SAchim Leubner {0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0, 101dce93cd0SAchim Leubner "Adaptec RAID Controller"}, 102dce93cd0SAchim Leubner {0, 0, 0, 0, 0, 0, 0} 103dce93cd0SAchim Leubner }; 104dce93cd0SAchim Leubner 105*b69ec7a6SJohn Baldwin DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, 0, 0); 106c3f3f3e6SWarner Losh MODULE_PNP_INFO("U16:vendor;U16:device", pci, aacraid, 107329e817fSWarner Losh aacraid_family_identifiers, 108c3f3f3e6SWarner Losh nitems(aacraid_family_identifiers) - 1); 109c3f3f3e6SWarner Losh MODULE_DEPEND(aacraid, pci, 1, 1, 1); 110c3f3f3e6SWarner Losh 111dce93cd0SAchim Leubner static struct aac_ident * 112dce93cd0SAchim Leubner aac_find_ident(device_t dev) 113dce93cd0SAchim Leubner { 114dce93cd0SAchim Leubner struct aac_ident *m; 1158a27a339SWarner Losh u_int16_t vendid, devid; 116dce93cd0SAchim Leubner 117dce93cd0SAchim Leubner vendid = pci_get_vendor(dev); 118dce93cd0SAchim Leubner devid = pci_get_device(dev); 119dce93cd0SAchim Leubner 120dce93cd0SAchim Leubner for (m = aacraid_family_identifiers; m->vendor != 0; m++) { 121dce93cd0SAchim Leubner if ((m->vendor == vendid) && (m->device == devid)) 122dce93cd0SAchim Leubner return (m); 123dce93cd0SAchim Leubner } 124dce93cd0SAchim Leubner 125dce93cd0SAchim Leubner return (NULL); 126dce93cd0SAchim Leubner } 127dce93cd0SAchim Leubner 128dce93cd0SAchim Leubner /* 129dce93cd0SAchim Leubner * Determine whether this is one of our supported adapters. 130dce93cd0SAchim Leubner */ 131dce93cd0SAchim Leubner static int 132dce93cd0SAchim Leubner aacraid_pci_probe(device_t dev) 133dce93cd0SAchim Leubner { 134dce93cd0SAchim Leubner struct aac_ident *id; 135dce93cd0SAchim Leubner 136dce93cd0SAchim Leubner fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 137dce93cd0SAchim Leubner 138dce93cd0SAchim Leubner if ((id = aac_find_ident(dev)) != NULL) { 139dce93cd0SAchim Leubner device_set_desc(dev, id->desc); 140dce93cd0SAchim Leubner return(BUS_PROBE_DEFAULT); 141dce93cd0SAchim Leubner } 142dce93cd0SAchim Leubner return(ENXIO); 143dce93cd0SAchim Leubner } 144dce93cd0SAchim Leubner 145dce93cd0SAchim Leubner /* 146dce93cd0SAchim Leubner * Allocate resources for our device, set up the bus interface. 147dce93cd0SAchim Leubner */ 148dce93cd0SAchim Leubner static int 149dce93cd0SAchim Leubner aacraid_pci_attach(device_t dev) 150dce93cd0SAchim Leubner { 151dce93cd0SAchim Leubner struct aac_softc *sc; 152dce93cd0SAchim Leubner struct aac_ident *id; 153dce93cd0SAchim Leubner int error; 154dce93cd0SAchim Leubner u_int32_t command; 155dce93cd0SAchim Leubner 156dce93cd0SAchim Leubner fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 157dce93cd0SAchim Leubner 158dce93cd0SAchim Leubner /* 159dce93cd0SAchim Leubner * Initialise softc. 160dce93cd0SAchim Leubner */ 161dce93cd0SAchim Leubner sc = device_get_softc(dev); 162dce93cd0SAchim Leubner bzero(sc, sizeof(*sc)); 163dce93cd0SAchim Leubner sc->aac_dev = dev; 164dce93cd0SAchim Leubner 165dce93cd0SAchim Leubner /* assume failure is 'not configured' */ 166dce93cd0SAchim Leubner error = ENXIO; 167dce93cd0SAchim Leubner 168dce93cd0SAchim Leubner /* 169dce93cd0SAchim Leubner * Verify that the adapter is correctly set up in PCI space. 170dce93cd0SAchim Leubner */ 171c68534f1SScott Long pci_enable_busmaster(dev); 172dce93cd0SAchim Leubner command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 173dce93cd0SAchim Leubner if (!(command & PCIM_CMD_BUSMASTEREN)) { 174dce93cd0SAchim Leubner device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 175dce93cd0SAchim Leubner goto out; 176dce93cd0SAchim Leubner } 177dce93cd0SAchim Leubner 178dce93cd0SAchim Leubner /* 179dce93cd0SAchim Leubner * Detect the hardware interface version, set up the bus interface 180dce93cd0SAchim Leubner * indirection. 181dce93cd0SAchim Leubner */ 182dce93cd0SAchim Leubner id = aac_find_ident(dev); 183dce93cd0SAchim Leubner sc->aac_hwif = id->hwif; 184dce93cd0SAchim Leubner switch(sc->aac_hwif) { 185dce93cd0SAchim Leubner case AAC_HWIF_SRC: 186dce93cd0SAchim Leubner fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC"); 187dce93cd0SAchim Leubner sc->aac_if = aacraid_src_interface; 188dce93cd0SAchim Leubner break; 189dce93cd0SAchim Leubner case AAC_HWIF_SRCV: 190dce93cd0SAchim Leubner fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv"); 191dce93cd0SAchim Leubner sc->aac_if = aacraid_srcv_interface; 192dce93cd0SAchim Leubner break; 193dce93cd0SAchim Leubner default: 194dce93cd0SAchim Leubner sc->aac_hwif = AAC_HWIF_UNKNOWN; 195dce93cd0SAchim Leubner device_printf(sc->aac_dev, "unknown hardware type\n"); 196dce93cd0SAchim Leubner error = ENXIO; 197dce93cd0SAchim Leubner goto out; 198dce93cd0SAchim Leubner } 199dce93cd0SAchim Leubner 200dce93cd0SAchim Leubner /* assume failure is 'out of memory' */ 201dce93cd0SAchim Leubner error = ENOMEM; 202dce93cd0SAchim Leubner 203dce93cd0SAchim Leubner /* 204dce93cd0SAchim Leubner * Allocate the PCI register window. 205dce93cd0SAchim Leubner */ 206dce93cd0SAchim Leubner sc->aac_regs_rid0 = PCIR_BAR(0); 207dce93cd0SAchim Leubner if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev, 208dce93cd0SAchim Leubner SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) { 209dce93cd0SAchim Leubner device_printf(sc->aac_dev, 210dce93cd0SAchim Leubner "couldn't allocate register window 0\n"); 211dce93cd0SAchim Leubner goto out; 212dce93cd0SAchim Leubner } 213dce93cd0SAchim Leubner sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 214dce93cd0SAchim Leubner sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 215dce93cd0SAchim Leubner 216dce93cd0SAchim Leubner sc->aac_regs_rid1 = PCIR_BAR(2); 217dce93cd0SAchim Leubner if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev, 218dce93cd0SAchim Leubner SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) { 219dce93cd0SAchim Leubner device_printf(sc->aac_dev, 220dce93cd0SAchim Leubner "couldn't allocate register window 1\n"); 221dce93cd0SAchim Leubner goto out; 222dce93cd0SAchim Leubner } 223dce93cd0SAchim Leubner sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 224dce93cd0SAchim Leubner sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 225dce93cd0SAchim Leubner 226dce93cd0SAchim Leubner /* 227dce93cd0SAchim Leubner * Allocate the parent bus DMA tag appropriate for our PCI interface. 228dce93cd0SAchim Leubner * 229dce93cd0SAchim Leubner * Note that some of these controllers are 64-bit capable. 230dce93cd0SAchim Leubner */ 231dce93cd0SAchim Leubner if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 232dce93cd0SAchim Leubner PAGE_SIZE, 0, /* algnmnt, boundary */ 233dce93cd0SAchim Leubner BUS_SPACE_MAXADDR, /* lowaddr */ 234dce93cd0SAchim Leubner BUS_SPACE_MAXADDR, /* highaddr */ 235dce93cd0SAchim Leubner NULL, NULL, /* filter, filterarg */ 236dce93cd0SAchim Leubner BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 237dce93cd0SAchim Leubner BUS_SPACE_UNRESTRICTED, /* nsegments */ 238dce93cd0SAchim Leubner BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 239dce93cd0SAchim Leubner 0, /* flags */ 240dce93cd0SAchim Leubner NULL, NULL, /* No locking needed */ 241dce93cd0SAchim Leubner &sc->aac_parent_dmat)) { 242dce93cd0SAchim Leubner device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 243dce93cd0SAchim Leubner goto out; 244dce93cd0SAchim Leubner } 245dce93cd0SAchim Leubner 246dce93cd0SAchim Leubner /* Set up quirks */ 247dce93cd0SAchim Leubner sc->flags = id->quirks; 248dce93cd0SAchim Leubner 249dce93cd0SAchim Leubner /* 250dce93cd0SAchim Leubner * Do bus-independent initialisation. 251dce93cd0SAchim Leubner */ 252dce93cd0SAchim Leubner error = aacraid_attach(sc); 253dce93cd0SAchim Leubner 254dce93cd0SAchim Leubner out: 255dce93cd0SAchim Leubner if (error) 256dce93cd0SAchim Leubner aacraid_free(sc); 257dce93cd0SAchim Leubner return(error); 258dce93cd0SAchim Leubner } 259