1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1999,2000 Jonathan Lemon 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 35 #include <sys/bio.h> 36 #include <sys/bus.h> 37 #include <sys/conf.h> 38 #include <sys/lock.h> 39 #include <sys/mutex.h> 40 41 #include <machine/bus.h> 42 #include <machine/resource.h> 43 #include <sys/rman.h> 44 45 #include <dev/pci/pcireg.h> 46 #include <dev/pci/pcivar.h> 47 48 #include <geom/geom_disk.h> 49 50 #include <dev/ida/idavar.h> 51 #include <dev/ida/idareg.h> 52 53 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF 54 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF 55 56 #define IDA_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */ 57 58 #define IDA_DEVICEID_SMART 0xAE100E11 59 #define IDA_DEVICEID_DEC_SMART 0x00461011 60 #define IDA_DEVICEID_NCR_53C1510 0x00101000 61 62 static int 63 ida_v3_fifo_full(struct ida_softc *ida) 64 { 65 return (ida_inl(ida, R_CMD_FIFO) == 0); 66 } 67 68 static void 69 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb) 70 { 71 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); 72 } 73 74 static bus_addr_t 75 ida_v3_done(struct ida_softc *ida) 76 { 77 bus_addr_t completed; 78 79 completed = ida_inl(ida, R_DONE_FIFO); 80 if (completed == -1) { 81 return (0); /* fifo is empty */ 82 } 83 return (completed); 84 } 85 86 static int 87 ida_v3_int_pending(struct ida_softc *ida) 88 { 89 return (ida_inl(ida, R_INT_PENDING)); 90 } 91 92 static void 93 ida_v3_int_enable(struct ida_softc *ida, int enable) 94 { 95 if (enable) 96 ida->flags |= IDA_INTERRUPTS; 97 else 98 ida->flags &= ~IDA_INTERRUPTS; 99 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); 100 } 101 102 static int 103 ida_v4_fifo_full(struct ida_softc *ida) 104 { 105 return (ida_inl(ida, R_42XX_REQUEST) != 0); 106 } 107 108 static void 109 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb) 110 { 111 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr); 112 } 113 114 static bus_addr_t 115 ida_v4_done(struct ida_softc *ida) 116 { 117 bus_addr_t completed; 118 119 completed = ida_inl(ida, R_42XX_REPLY); 120 if (completed == -1) 121 return (0); /* fifo is empty */ 122 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */ 123 return (completed); 124 } 125 126 static int 127 ida_v4_int_pending(struct ida_softc *ida) 128 { 129 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING); 130 } 131 132 static void 133 ida_v4_int_enable(struct ida_softc *ida, int enable) 134 { 135 if (enable) 136 ida->flags |= IDA_INTERRUPTS; 137 else 138 ida->flags &= ~IDA_INTERRUPTS; 139 ida_outl(ida, R_42XX_INT_MASK, 140 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX); 141 } 142 143 static struct ida_access ida_v3_access = { 144 ida_v3_fifo_full, 145 ida_v3_submit, 146 ida_v3_done, 147 ida_v3_int_pending, 148 ida_v3_int_enable, 149 }; 150 151 static struct ida_access ida_v4_access = { 152 ida_v4_fifo_full, 153 ida_v4_submit, 154 ida_v4_done, 155 ida_v4_int_pending, 156 ida_v4_int_enable, 157 }; 158 159 static struct ida_board board_id[] = { 160 { 0x40300E11, "Compaq SMART-2/P array controller", 161 &ida_v3_access, 0 }, 162 { 0x40310E11, "Compaq SMART-2SL array controller", 163 &ida_v3_access, 0 }, 164 { 0x40320E11, "Compaq Smart Array 3200 controller", 165 &ida_v3_access, 0 }, 166 { 0x40330E11, "Compaq Smart Array 3100ES controller", 167 &ida_v3_access, 0 }, 168 { 0x40340E11, "Compaq Smart Array 221 controller", 169 &ida_v3_access, 0 }, 170 171 { 0x40400E11, "Compaq Integrated Array controller", 172 &ida_v4_access, IDA_FIRMWARE }, 173 { 0x40480E11, "Compaq RAID LC2 controller", 174 &ida_v4_access, IDA_FIRMWARE }, 175 { 0x40500E11, "Compaq Smart Array 4200 controller", 176 &ida_v4_access, 0 }, 177 { 0x40510E11, "Compaq Smart Array 4250ES controller", 178 &ida_v4_access, 0 }, 179 { 0x40580E11, "Compaq Smart Array 431 controller", 180 &ida_v4_access, 0 }, 181 182 { 0, "", 0, 0 }, 183 }; 184 185 static int ida_pci_probe(device_t dev); 186 static int ida_pci_attach(device_t dev); 187 188 static device_method_t ida_pci_methods[] = { 189 DEVMETHOD(device_probe, ida_pci_probe), 190 DEVMETHOD(device_attach, ida_pci_attach), 191 DEVMETHOD(device_detach, ida_detach), 192 193 DEVMETHOD_END 194 }; 195 196 static driver_t ida_pci_driver = { 197 "ida", 198 ida_pci_methods, 199 sizeof(struct ida_softc) 200 }; 201 202 static struct ida_board * 203 ida_pci_match(device_t dev) 204 { 205 int i; 206 u_int32_t id, sub_id; 207 208 id = pci_get_devid(dev); 209 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev); 210 211 if (id == IDA_DEVICEID_SMART || 212 id == IDA_DEVICEID_DEC_SMART || 213 id == IDA_DEVICEID_NCR_53C1510) { 214 for (i = 0; board_id[i].board; i++) 215 if (board_id[i].board == sub_id) 216 return (&board_id[i]); 217 } 218 return (NULL); 219 } 220 221 static int 222 ida_pci_probe(device_t dev) 223 { 224 struct ida_board *board = ida_pci_match(dev); 225 226 if (board != NULL) { 227 device_set_desc(dev, board->desc); 228 return (BUS_PROBE_DEFAULT); 229 } 230 return (ENXIO); 231 } 232 233 static int 234 ida_pci_attach(device_t dev) 235 { 236 struct ida_board *board = ida_pci_match(dev); 237 u_int32_t id = pci_get_devid(dev); 238 struct ida_softc *ida; 239 int error, rid; 240 241 ida = (struct ida_softc *)device_get_softc(dev); 242 ida->dev = dev; 243 ida->cmd = *board->accessor; 244 ida->flags = board->flags; 245 mtx_init(&ida->lock, "ida", NULL, MTX_DEF); 246 callout_init_mtx(&ida->ch, &ida->lock, 0); 247 248 ida->regs_res_type = SYS_RES_MEMORY; 249 ida->regs_res_id = IDA_PCI_MEMADDR; 250 if (id == IDA_DEVICEID_DEC_SMART) 251 ida->regs_res_id = PCIR_BAR(0); 252 253 ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type, 254 &ida->regs_res_id, RF_ACTIVE); 255 if (ida->regs == NULL) { 256 device_printf(dev, "can't allocate memory resources\n"); 257 return (ENOMEM); 258 } 259 260 error = bus_dma_tag_create( 261 /* parent */ bus_get_dma_tag(dev), 262 /* alignment */ 1, 263 /* boundary */ 0, 264 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 265 /* highaddr */ BUS_SPACE_MAXADDR, 266 /* filter */ NULL, 267 /* filterarg */ NULL, 268 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 269 /* nsegments */ BUS_SPACE_UNRESTRICTED, 270 /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, 271 /* flags */ BUS_DMA_ALLOCNOW, 272 /* lockfunc */ NULL, 273 /* lockarg */ NULL, 274 &ida->parent_dmat); 275 if (error != 0) { 276 device_printf(dev, "can't allocate DMA tag\n"); 277 ida_free(ida); 278 return (ENOMEM); 279 } 280 281 rid = 0; 282 ida->irq_res_type = SYS_RES_IRQ; 283 ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid, 284 RF_ACTIVE | RF_SHAREABLE); 285 if (ida->irq == NULL) { 286 ida_free(ida); 287 return (ENOMEM); 288 } 289 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY | INTR_MPSAFE, 290 NULL, ida_intr, ida, &ida->ih); 291 if (error) { 292 device_printf(dev, "can't setup interrupt\n"); 293 ida_free(ida); 294 return (ENOMEM); 295 } 296 297 error = ida_setup(ida); 298 if (error) { 299 ida_free(ida); 300 return (error); 301 } 302 303 return (0); 304 } 305 306 DRIVER_MODULE(ida, pci, ida_pci_driver, 0, 0); 307 MODULE_PNP_INFO("W32:vendor/device;D:#", pci, ida, board_id, 308 nitems(board_id) - 1); 309