1 /* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 JF Hay. All rights reserved. 5 * Copyright (c) 2000 M. Warner Losh. 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 unmodified, this list of conditions, and the following 12 * disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 /* 33 * Copyright (c) 1996, 1998, 1999 34 * Christopher G. Demetriou. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by Christopher G. Demetriou 47 * for the NetBSD Project. 48 * 4. The name of the author may not be used to endorse or promote products 49 * derived from this software without specific prior written permission 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 60 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 #include <sys/cdefs.h> 64 __FBSDID("$FreeBSD$"); 65 66 #include "opt_puc.h" 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/kernel.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 #include <sys/conf.h> 74 #include <sys/malloc.h> 75 76 #include <machine/bus.h> 77 #include <machine/resource.h> 78 #include <sys/rman.h> 79 80 #include <dev/pci/pcireg.h> 81 #include <dev/pci/pcivar.h> 82 83 #define PUC_ENTRAILS 1 84 #include <dev/puc/pucvar.h> 85 86 extern const struct puc_device_description puc_devices[]; 87 88 int puc_config_win877(struct puc_softc *); 89 90 static const struct puc_device_description * 91 puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, 92 uint32_t sprod) 93 { 94 int i; 95 96 #define checkreg(val, index) \ 97 (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)]) 98 99 for (i = 0; puc_devices[i].name != NULL; i++) { 100 if (checkreg(vend, PUC_REG_VEND) && 101 checkreg(prod, PUC_REG_PROD) && 102 checkreg(svend, PUC_REG_SVEND) && 103 checkreg(sprod, PUC_REG_SPROD)) 104 return (&puc_devices[i]); 105 } 106 107 #undef checkreg 108 109 return (NULL); 110 } 111 112 static int 113 puc_pci_probe(device_t dev) 114 { 115 uint32_t v1, v2, d1, d2; 116 const struct puc_device_description *desc; 117 118 if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0) 119 return (ENXIO); 120 121 v1 = pci_read_config(dev, PCIR_VENDOR, 2); 122 d1 = pci_read_config(dev, PCIR_DEVICE, 2); 123 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 124 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 125 126 desc = puc_find_description(v1, d1, v2, d2); 127 if (desc == NULL) 128 return (ENXIO); 129 device_set_desc(dev, desc->name); 130 return (0); 131 } 132 133 static int 134 puc_pci_attach(device_t dev) 135 { 136 uint32_t v1, v2, d1, d2; 137 138 v1 = pci_read_config(dev, PCIR_VENDOR, 2); 139 d1 = pci_read_config(dev, PCIR_DEVICE, 2); 140 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); 141 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); 142 return (puc_attach(dev, puc_find_description(v1, d1, v2, d2))); 143 } 144 145 static device_method_t puc_pci_methods[] = { 146 /* Device interface */ 147 DEVMETHOD(device_probe, puc_pci_probe), 148 DEVMETHOD(device_attach, puc_pci_attach), 149 150 DEVMETHOD(bus_alloc_resource, puc_alloc_resource), 151 DEVMETHOD(bus_release_resource, puc_release_resource), 152 DEVMETHOD(bus_get_resource, puc_get_resource), 153 DEVMETHOD(bus_read_ivar, puc_read_ivar), 154 DEVMETHOD(bus_setup_intr, puc_setup_intr), 155 DEVMETHOD(bus_teardown_intr, puc_teardown_intr), 156 DEVMETHOD(bus_print_child, bus_generic_print_child), 157 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 158 { 0, 0 } 159 }; 160 161 static driver_t puc_pci_driver = { 162 "puc", 163 puc_pci_methods, 164 sizeof(struct puc_softc), 165 }; 166 167 DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); 168 DRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0); 169 170 171 #define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ 172 bus_space_read_1(bst, bsh, efdr)) 173 #define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ 174 bus_space_write_1(bst, bsh, efdr, data)) 175 176 #ifdef PUC_DEBUG 177 static void 178 puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, 179 u_int efdr) 180 { 181 u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; 182 u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; 183 184 cr00 = rdspio(0x00); 185 cr01 = rdspio(0x01); 186 cr04 = rdspio(0x04); 187 cr09 = rdspio(0x09); 188 cr0d = rdspio(0x0d); 189 cr14 = rdspio(0x14); 190 cr15 = rdspio(0x15); 191 cr16 = rdspio(0x16); 192 cr17 = rdspio(0x17); 193 cr18 = rdspio(0x18); 194 cr19 = rdspio(0x19); 195 cr24 = rdspio(0x24); 196 cr25 = rdspio(0x25); 197 cr28 = rdspio(0x28); 198 cr2c = rdspio(0x2c); 199 cr31 = rdspio(0x31); 200 cr32 = rdspio(0x32); 201 printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " 202 "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " 203 "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, 204 cr0d, cr14, cr15, cr16, cr17, 205 cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); 206 } 207 #endif 208 209 int 210 puc_config_win877(struct puc_softc *sc) 211 { 212 u_char val; 213 u_int efir, efdr; 214 bus_space_tag_t bst; 215 bus_space_handle_t bsh; 216 struct resource *res; 217 218 res = sc->sc_bar_mappings[0].res; 219 220 bst = rman_get_bustag(res); 221 bsh = rman_get_bushandle(res); 222 223 /* configure the first W83877TF */ 224 bus_space_write_1(bst, bsh, 0x250, 0x89); 225 efir = 0x251; 226 efdr = 0x252; 227 val = rdspio(0x09) & 0x0f; 228 if (val != 0x0c) { 229 printf("conf_win877: Oops not a W83877TF\n"); 230 return (ENXIO); 231 } 232 233 #ifdef PUC_DEBUG 234 printf("before: "); 235 puc_print_win877(bst, bsh, efir, efdr); 236 #endif 237 238 val = rdspio(0x16); 239 val |= 0x04; 240 wrspio(0x16, val); 241 val &= ~0x04; 242 wrspio(0x16, val); 243 244 wrspio(0x24, 0x2e8 >> 2); 245 wrspio(0x25, 0x2f8 >> 2); 246 wrspio(0x17, 0x03); 247 wrspio(0x28, 0x43); 248 249 #ifdef PUC_DEBUG 250 printf("after: "); 251 puc_print_win877(bst, bsh, efir, efdr); 252 #endif 253 254 bus_space_write_1(bst, bsh, 0x250, 0xaa); 255 256 /* configure the second W83877TF */ 257 bus_space_write_1(bst, bsh, 0x3f0, 0x87); 258 bus_space_write_1(bst, bsh, 0x3f0, 0x87); 259 efir = 0x3f0; 260 efdr = 0x3f1; 261 val = rdspio(0x09) & 0x0f; 262 if (val != 0x0c) { 263 printf("conf_win877: Oops not a W83877TF\n"); 264 return(ENXIO); 265 } 266 267 #ifdef PUC_DEBUG 268 printf("before: "); 269 puc_print_win877(bst, bsh, efir, efdr); 270 #endif 271 272 val = rdspio(0x16); 273 val |= 0x04; 274 wrspio(0x16, val); 275 val &= ~0x04; 276 wrspio(0x16, val); 277 278 wrspio(0x24, 0x3e8 >> 2); 279 wrspio(0x25, 0x3f8 >> 2); 280 wrspio(0x17, 0x03); 281 wrspio(0x28, 0x43); 282 283 #ifdef PUC_DEBUG 284 printf("after: "); 285 puc_print_win877(bst, bsh, efir, efdr); 286 #endif 287 288 bus_space_write_1(bst, bsh, 0x3f0, 0xaa); 289 return (0); 290 } 291 292 #undef rdspio 293 #undef wrspio 294 295