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/param.h> 30 #include <sys/systm.h> 31 #include <sys/kernel.h> 32 #include <sys/module.h> 33 34 #include <sys/bio.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 40 #include <machine/bus.h> 41 #include <machine/resource.h> 42 #include <sys/rman.h> 43 44 #include <dev/pci/pcireg.h> 45 #include <dev/pci/pcivar.h> 46 47 #include <geom/geom_disk.h> 48 49 #include <dev/ida/idavar.h> 50 #include <dev/ida/idareg.h> 51 52 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF 53 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF 54 55 #define IDA_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */ 56 57 #define IDA_DEVICEID_SMART 0xAE100E11 58 #define IDA_DEVICEID_DEC_SMART 0x00461011 59 #define IDA_DEVICEID_NCR_53C1510 0x00101000 60 61 static int 62 ida_v3_fifo_full(struct ida_softc *ida) 63 { 64 return (ida_inl(ida, R_CMD_FIFO) == 0); 65 } 66 67 static void 68 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb) 69 { 70 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); 71 } 72 73 static bus_addr_t 74 ida_v3_done(struct ida_softc *ida) 75 { 76 bus_addr_t completed; 77 78 completed = ida_inl(ida, R_DONE_FIFO); 79 if (completed == -1) { 80 return (0); /* fifo is empty */ 81 } 82 return (completed); 83 } 84 85 static int 86 ida_v3_int_pending(struct ida_softc *ida) 87 { 88 return (ida_inl(ida, R_INT_PENDING)); 89 } 90 91 static void 92 ida_v3_int_enable(struct ida_softc *ida, int enable) 93 { 94 if (enable) 95 ida->flags |= IDA_INTERRUPTS; 96 else 97 ida->flags &= ~IDA_INTERRUPTS; 98 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); 99 } 100 101 static int 102 ida_v4_fifo_full(struct ida_softc *ida) 103 { 104 return (ida_inl(ida, R_42XX_REQUEST) != 0); 105 } 106 107 static void 108 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb) 109 { 110 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr); 111 } 112 113 static bus_addr_t 114 ida_v4_done(struct ida_softc *ida) 115 { 116 bus_addr_t completed; 117 118 completed = ida_inl(ida, R_42XX_REPLY); 119 if (completed == -1) 120 return (0); /* fifo is empty */ 121 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */ 122 return (completed); 123 } 124 125 static int 126 ida_v4_int_pending(struct ida_softc *ida) 127 { 128 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING); 129 } 130 131 static void 132 ida_v4_int_enable(struct ida_softc *ida, int enable) 133 { 134 if (enable) 135 ida->flags |= IDA_INTERRUPTS; 136 else 137 ida->flags &= ~IDA_INTERRUPTS; 138 ida_outl(ida, R_42XX_INT_MASK, 139 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX); 140 } 141 142 static struct ida_access ida_v3_access = { 143 ida_v3_fifo_full, 144 ida_v3_submit, 145 ida_v3_done, 146 ida_v3_int_pending, 147 ida_v3_int_enable, 148 }; 149 150 static struct ida_access ida_v4_access = { 151 ida_v4_fifo_full, 152 ida_v4_submit, 153 ida_v4_done, 154 ida_v4_int_pending, 155 ida_v4_int_enable, 156 }; 157 158 static struct ida_board board_id[] = { 159 { 0x40300E11, "Compaq SMART-2/P array controller", 160 &ida_v3_access, 0 }, 161 { 0x40310E11, "Compaq SMART-2SL array controller", 162 &ida_v3_access, 0 }, 163 { 0x40320E11, "Compaq Smart Array 3200 controller", 164 &ida_v3_access, 0 }, 165 { 0x40330E11, "Compaq Smart Array 3100ES controller", 166 &ida_v3_access, 0 }, 167 { 0x40340E11, "Compaq Smart Array 221 controller", 168 &ida_v3_access, 0 }, 169 170 { 0x40400E11, "Compaq Integrated Array controller", 171 &ida_v4_access, IDA_FIRMWARE }, 172 { 0x40480E11, "Compaq RAID LC2 controller", 173 &ida_v4_access, IDA_FIRMWARE }, 174 { 0x40500E11, "Compaq Smart Array 4200 controller", 175 &ida_v4_access, 0 }, 176 { 0x40510E11, "Compaq Smart Array 4250ES controller", 177 &ida_v4_access, 0 }, 178 { 0x40580E11, "Compaq Smart Array 431 controller", 179 &ida_v4_access, 0 }, 180 181 { 0, "", 0, 0 }, 182 }; 183 184 static int ida_pci_probe(device_t dev); 185 static int ida_pci_attach(device_t dev); 186 187 static device_method_t ida_pci_methods[] = { 188 DEVMETHOD(device_probe, ida_pci_probe), 189 DEVMETHOD(device_attach, ida_pci_attach), 190 DEVMETHOD(device_detach, ida_detach), 191 192 DEVMETHOD_END 193 }; 194 195 static driver_t ida_pci_driver = { 196 "ida", 197 ida_pci_methods, 198 sizeof(struct ida_softc) 199 }; 200 201 static struct ida_board * 202 ida_pci_match(device_t dev) 203 { 204 int i; 205 u_int32_t id, sub_id; 206 207 id = pci_get_devid(dev); 208 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev); 209 210 if (id == IDA_DEVICEID_SMART || 211 id == IDA_DEVICEID_DEC_SMART || 212 id == IDA_DEVICEID_NCR_53C1510) { 213 for (i = 0; board_id[i].board; i++) 214 if (board_id[i].board == sub_id) 215 return (&board_id[i]); 216 } 217 return (NULL); 218 } 219 220 static int 221 ida_pci_probe(device_t dev) 222 { 223 struct ida_board *board = ida_pci_match(dev); 224 225 if (board != NULL) { 226 device_set_desc(dev, board->desc); 227 return (BUS_PROBE_DEFAULT); 228 } 229 return (ENXIO); 230 } 231 232 static int 233 ida_pci_attach(device_t dev) 234 { 235 struct ida_board *board = ida_pci_match(dev); 236 u_int32_t id = pci_get_devid(dev); 237 struct ida_softc *ida; 238 int error, rid; 239 240 ida = (struct ida_softc *)device_get_softc(dev); 241 ida->dev = dev; 242 ida->cmd = *board->accessor; 243 ida->flags = board->flags; 244 mtx_init(&ida->lock, "ida", NULL, MTX_DEF); 245 callout_init_mtx(&ida->ch, &ida->lock, 0); 246 247 ida->regs_res_type = SYS_RES_MEMORY; 248 ida->regs_res_id = IDA_PCI_MEMADDR; 249 if (id == IDA_DEVICEID_DEC_SMART) 250 ida->regs_res_id = PCIR_BAR(0); 251 252 ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type, 253 &ida->regs_res_id, RF_ACTIVE); 254 if (ida->regs == NULL) { 255 device_printf(dev, "can't allocate memory resources\n"); 256 return (ENOMEM); 257 } 258 259 error = bus_dma_tag_create( 260 /* parent */ bus_get_dma_tag(dev), 261 /* alignment */ 1, 262 /* boundary */ 0, 263 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 264 /* highaddr */ BUS_SPACE_MAXADDR, 265 /* filter */ NULL, 266 /* filterarg */ NULL, 267 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 268 /* nsegments */ BUS_SPACE_UNRESTRICTED, 269 /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, 270 /* flags */ BUS_DMA_ALLOCNOW, 271 /* lockfunc */ NULL, 272 /* lockarg */ NULL, 273 &ida->parent_dmat); 274 if (error != 0) { 275 device_printf(dev, "can't allocate DMA tag\n"); 276 ida_free(ida); 277 return (ENOMEM); 278 } 279 280 rid = 0; 281 ida->irq_res_type = SYS_RES_IRQ; 282 ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid, 283 RF_ACTIVE | RF_SHAREABLE); 284 if (ida->irq == NULL) { 285 ida_free(ida); 286 return (ENOMEM); 287 } 288 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY | INTR_MPSAFE, 289 NULL, ida_intr, ida, &ida->ih); 290 if (error) { 291 device_printf(dev, "can't setup interrupt\n"); 292 ida_free(ida); 293 return (ENOMEM); 294 } 295 296 error = ida_setup(ida); 297 if (error) { 298 ida_free(ida); 299 return (error); 300 } 301 302 return (0); 303 } 304 305 DRIVER_MODULE(ida, pci, ida_pci_driver, 0, 0); 306 MODULE_PNP_INFO("W32:vendor/device;D:#", pci, ida, board_id, 307 nitems(board_id) - 1); 308