1 /* 2 * Support for common PCI multi-I/O cards (which is most of them) 3 * 4 * Copyright (C) 2001 Tim Waugh <twaugh@redhat.com> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 * 11 * 12 * Multi-function PCI cards are supposed to present separate logical 13 * devices on the bus. A common thing to do seems to be to just use 14 * one logical device with lots of base address registers for both 15 * parallel ports and serial ports. This driver is for dealing with 16 * that. 17 * 18 */ 19 20 #include <linux/types.h> 21 #include <linux/module.h> 22 #include <linux/init.h> 23 #include <linux/slab.h> 24 #include <linux/pci.h> 25 #include <linux/interrupt.h> 26 #include <linux/parport.h> 27 #include <linux/parport_pc.h> 28 #include <linux/8250_pci.h> 29 30 enum parport_pc_pci_cards { 31 titan_110l = 0, 32 titan_210l, 33 netmos_9xx5_combo, 34 netmos_9855, 35 netmos_9855_2p, 36 netmos_9900, 37 netmos_9900_2p, 38 netmos_99xx_1p, 39 avlab_1s1p, 40 avlab_1s2p, 41 avlab_2s1p, 42 siig_1s1p_10x, 43 siig_2s1p_10x, 44 siig_2p1s_20x, 45 siig_1s1p_20x, 46 siig_2s1p_20x, 47 timedia_4078a, 48 timedia_4079h, 49 timedia_4085h, 50 timedia_4088a, 51 timedia_4089a, 52 timedia_4095a, 53 timedia_4096a, 54 timedia_4078u, 55 timedia_4079a, 56 timedia_4085u, 57 timedia_4079r, 58 timedia_4079s, 59 timedia_4079d, 60 timedia_4079e, 61 timedia_4079f, 62 timedia_9079a, 63 timedia_9079b, 64 timedia_9079c, 65 wch_ch353_2s1p, 66 }; 67 68 /* each element directly indexed from enum list, above */ 69 struct parport_pc_pci { 70 int numports; 71 struct { /* BAR (base address registers) numbers in the config 72 space header */ 73 int lo; 74 int hi; /* -1 if not there, >6 for offset-method (max 75 BAR is 6) */ 76 } addr[4]; 77 78 /* If set, this is called immediately after pci_enable_device. 79 * If it returns non-zero, no probing will take place and the 80 * ports will not be used. */ 81 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, 82 int autoirq, int autodma); 83 84 /* If set, this is called after probing for ports. If 'failed' 85 * is non-zero we couldn't use any of the ports. */ 86 void (*postinit_hook) (struct pci_dev *pdev, 87 struct parport_pc_pci *card, int failed); 88 }; 89 90 static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, int autoirq, int autodma) 91 { 92 /* the rule described below doesn't hold for this device */ 93 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 && 94 dev->subsystem_vendor == PCI_VENDOR_ID_IBM && 95 dev->subsystem_device == 0x0299) 96 return -ENODEV; 97 98 if (dev->device == PCI_DEVICE_ID_NETMOS_9912) { 99 par->numports = 1; 100 } else { 101 /* 102 * Netmos uses the subdevice ID to indicate the number of parallel 103 * and serial ports. The form is 0x00PS, where <P> is the number of 104 * parallel ports and <S> is the number of serial ports. 105 */ 106 par->numports = (dev->subsystem_device & 0xf0) >> 4; 107 if (par->numports > ARRAY_SIZE(par->addr)) 108 par->numports = ARRAY_SIZE(par->addr); 109 } 110 111 return 0; 112 } 113 114 static struct parport_pc_pci cards[] __devinitdata = { 115 /* titan_110l */ { 1, { { 3, -1 }, } }, 116 /* titan_210l */ { 1, { { 3, -1 }, } }, 117 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, 118 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, 119 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } }, 120 /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init }, 121 /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } }, 122 /* netmos_99xx_1p */ {1, { { 0, 1 }, } }, 123 /* avlab_1s1p */ { 1, { { 1, 2}, } }, 124 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, 125 /* avlab_2s1p */ { 1, { { 2, 3}, } }, 126 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, 127 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, 128 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, 129 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, 130 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, 131 /* timedia_4078a */ { 1, { { 2, -1 }, } }, 132 /* timedia_4079h */ { 1, { { 2, 3 }, } }, 133 /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } }, 134 /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 135 /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 136 /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 137 /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 138 /* timedia_4078u */ { 1, { { 2, -1 }, } }, 139 /* timedia_4079a */ { 1, { { 2, 3 }, } }, 140 /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } }, 141 /* timedia_4079r */ { 1, { { 2, 3 }, } }, 142 /* timedia_4079s */ { 1, { { 2, 3 }, } }, 143 /* timedia_4079d */ { 1, { { 2, 3 }, } }, 144 /* timedia_4079e */ { 1, { { 2, 3 }, } }, 145 /* timedia_4079f */ { 1, { { 2, 3 }, } }, 146 /* timedia_9079a */ { 1, { { 2, 3 }, } }, 147 /* timedia_9079b */ { 1, { { 2, 3 }, } }, 148 /* timedia_9079c */ { 1, { { 2, 3 }, } }, 149 /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } }, 150 }; 151 152 static struct pci_device_id parport_serial_pci_tbl[] = { 153 /* PCI cards */ 154 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, 155 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, 156 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, 157 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, 158 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, 159 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 160 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, 161 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 162 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, 163 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 164 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, 165 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 166 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 167 0x1000, 0x0020, 0, 0, netmos_9855_2p }, 168 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 169 0x1000, 0x0022, 0, 0, netmos_9855_2p }, 170 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 171 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, 172 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 173 0xA000, 0x3011, 0, 0, netmos_9900 }, 174 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 175 0xA000, 0x3012, 0, 0, netmos_9900 }, 176 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 177 0xA000, 0x3020, 0, 0, netmos_9900_2p }, 178 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912, 179 0xA000, 0x2000, 0, 0, netmos_99xx_1p }, 180 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ 181 { PCI_VENDOR_ID_AFAVLAB, 0x2110, 182 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 183 { PCI_VENDOR_ID_AFAVLAB, 0x2111, 184 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 185 { PCI_VENDOR_ID_AFAVLAB, 0x2112, 186 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 187 { PCI_VENDOR_ID_AFAVLAB, 0x2140, 188 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 189 { PCI_VENDOR_ID_AFAVLAB, 0x2141, 190 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 191 { PCI_VENDOR_ID_AFAVLAB, 0x2142, 192 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 193 { PCI_VENDOR_ID_AFAVLAB, 0x2160, 194 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 195 { PCI_VENDOR_ID_AFAVLAB, 0x2161, 196 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 197 { PCI_VENDOR_ID_AFAVLAB, 0x2162, 198 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 199 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, 200 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 201 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, 202 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 203 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, 204 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 205 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, 206 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 207 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, 208 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 209 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, 210 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 211 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, 212 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 213 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, 214 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 215 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, 216 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 217 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, 218 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 219 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, 220 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 221 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, 222 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 223 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, 224 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 225 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, 226 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 227 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, 228 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 229 /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/ 230 { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a }, 231 { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h }, 232 { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h }, 233 { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a }, 234 { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a }, 235 { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a }, 236 { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a }, 237 { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u }, 238 { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a }, 239 { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u }, 240 { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r }, 241 { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s }, 242 { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d }, 243 { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e }, 244 { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f }, 245 { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a }, 246 { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b }, 247 { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c }, 248 /* WCH CARDS */ 249 { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p}, 250 { 0, } /* terminate list */ 251 }; 252 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); 253 254 /* 255 * This table describes the serial "geometry" of these boards. Any 256 * quirks for these can be found in drivers/serial/8250_pci.c 257 * 258 * Cards not tested are marked n/t 259 * If you have one of these cards and it works for you, please tell me.. 260 */ 261 static struct pciserial_board pci_parport_serial_boards[] __devinitdata = { 262 [titan_110l] = { 263 .flags = FL_BASE1 | FL_BASE_BARS, 264 .num_ports = 1, 265 .base_baud = 921600, 266 .uart_offset = 8, 267 }, 268 [titan_210l] = { 269 .flags = FL_BASE1 | FL_BASE_BARS, 270 .num_ports = 2, 271 .base_baud = 921600, 272 .uart_offset = 8, 273 }, 274 [netmos_9xx5_combo] = { 275 .flags = FL_BASE0 | FL_BASE_BARS, 276 .num_ports = 1, 277 .base_baud = 115200, 278 .uart_offset = 8, 279 }, 280 [netmos_9855] = { 281 .flags = FL_BASE2 | FL_BASE_BARS, 282 .num_ports = 1, 283 .base_baud = 115200, 284 .uart_offset = 8, 285 }, 286 [netmos_9855_2p] = { 287 .flags = FL_BASE4 | FL_BASE_BARS, 288 .num_ports = 1, 289 .base_baud = 115200, 290 .uart_offset = 8, 291 }, 292 [netmos_9900] = { /* n/t */ 293 .flags = FL_BASE0 | FL_BASE_BARS, 294 .num_ports = 1, 295 .base_baud = 115200, 296 .uart_offset = 8, 297 }, 298 [netmos_9900_2p] = { /* parallel only */ /* n/t */ 299 .flags = FL_BASE0, 300 .num_ports = 0, 301 .base_baud = 115200, 302 .uart_offset = 8, 303 }, 304 [netmos_99xx_1p] = { /* parallel only */ /* n/t */ 305 .flags = FL_BASE0, 306 .num_ports = 0, 307 .base_baud = 115200, 308 .uart_offset = 8, 309 }, 310 [avlab_1s1p] = { /* n/t */ 311 .flags = FL_BASE0 | FL_BASE_BARS, 312 .num_ports = 1, 313 .base_baud = 115200, 314 .uart_offset = 8, 315 }, 316 [avlab_1s2p] = { /* n/t */ 317 .flags = FL_BASE0 | FL_BASE_BARS, 318 .num_ports = 1, 319 .base_baud = 115200, 320 .uart_offset = 8, 321 }, 322 [avlab_2s1p] = { /* n/t */ 323 .flags = FL_BASE0 | FL_BASE_BARS, 324 .num_ports = 2, 325 .base_baud = 115200, 326 .uart_offset = 8, 327 }, 328 [siig_1s1p_10x] = { 329 .flags = FL_BASE2, 330 .num_ports = 1, 331 .base_baud = 460800, 332 .uart_offset = 8, 333 }, 334 [siig_2s1p_10x] = { 335 .flags = FL_BASE2, 336 .num_ports = 1, 337 .base_baud = 921600, 338 .uart_offset = 8, 339 }, 340 [siig_2p1s_20x] = { 341 .flags = FL_BASE0, 342 .num_ports = 1, 343 .base_baud = 921600, 344 .uart_offset = 8, 345 }, 346 [siig_1s1p_20x] = { 347 .flags = FL_BASE0, 348 .num_ports = 1, 349 .base_baud = 921600, 350 .uart_offset = 8, 351 }, 352 [siig_2s1p_20x] = { 353 .flags = FL_BASE0, 354 .num_ports = 1, 355 .base_baud = 921600, 356 .uart_offset = 8, 357 }, 358 [timedia_4078a] = { 359 .flags = FL_BASE0|FL_BASE_BARS, 360 .num_ports = 1, 361 .base_baud = 921600, 362 .uart_offset = 8, 363 }, 364 [timedia_4079h] = { 365 .flags = FL_BASE0|FL_BASE_BARS, 366 .num_ports = 1, 367 .base_baud = 921600, 368 .uart_offset = 8, 369 }, 370 [timedia_4085h] = { 371 .flags = FL_BASE0|FL_BASE_BARS, 372 .num_ports = 1, 373 .base_baud = 921600, 374 .uart_offset = 8, 375 }, 376 [timedia_4088a] = { 377 .flags = FL_BASE0|FL_BASE_BARS, 378 .num_ports = 1, 379 .base_baud = 921600, 380 .uart_offset = 8, 381 }, 382 [timedia_4089a] = { 383 .flags = FL_BASE0|FL_BASE_BARS, 384 .num_ports = 1, 385 .base_baud = 921600, 386 .uart_offset = 8, 387 }, 388 [timedia_4095a] = { 389 .flags = FL_BASE0|FL_BASE_BARS, 390 .num_ports = 1, 391 .base_baud = 921600, 392 .uart_offset = 8, 393 }, 394 [timedia_4096a] = { 395 .flags = FL_BASE0|FL_BASE_BARS, 396 .num_ports = 1, 397 .base_baud = 921600, 398 .uart_offset = 8, 399 }, 400 [timedia_4078u] = { 401 .flags = FL_BASE0|FL_BASE_BARS, 402 .num_ports = 1, 403 .base_baud = 921600, 404 .uart_offset = 8, 405 }, 406 [timedia_4079a] = { 407 .flags = FL_BASE0|FL_BASE_BARS, 408 .num_ports = 1, 409 .base_baud = 921600, 410 .uart_offset = 8, 411 }, 412 [timedia_4085u] = { 413 .flags = FL_BASE0|FL_BASE_BARS, 414 .num_ports = 1, 415 .base_baud = 921600, 416 .uart_offset = 8, 417 }, 418 [timedia_4079r] = { 419 .flags = FL_BASE0|FL_BASE_BARS, 420 .num_ports = 1, 421 .base_baud = 921600, 422 .uart_offset = 8, 423 }, 424 [timedia_4079s] = { 425 .flags = FL_BASE0|FL_BASE_BARS, 426 .num_ports = 1, 427 .base_baud = 921600, 428 .uart_offset = 8, 429 }, 430 [timedia_4079d] = { 431 .flags = FL_BASE0|FL_BASE_BARS, 432 .num_ports = 1, 433 .base_baud = 921600, 434 .uart_offset = 8, 435 }, 436 [timedia_4079e] = { 437 .flags = FL_BASE0|FL_BASE_BARS, 438 .num_ports = 1, 439 .base_baud = 921600, 440 .uart_offset = 8, 441 }, 442 [timedia_4079f] = { 443 .flags = FL_BASE0|FL_BASE_BARS, 444 .num_ports = 1, 445 .base_baud = 921600, 446 .uart_offset = 8, 447 }, 448 [timedia_9079a] = { 449 .flags = FL_BASE0|FL_BASE_BARS, 450 .num_ports = 1, 451 .base_baud = 921600, 452 .uart_offset = 8, 453 }, 454 [timedia_9079b] = { 455 .flags = FL_BASE0|FL_BASE_BARS, 456 .num_ports = 1, 457 .base_baud = 921600, 458 .uart_offset = 8, 459 }, 460 [timedia_9079c] = { 461 .flags = FL_BASE0|FL_BASE_BARS, 462 .num_ports = 1, 463 .base_baud = 921600, 464 .uart_offset = 8, 465 }, 466 [wch_ch353_2s1p] = { 467 .flags = FL_BASE0|FL_BASE_BARS, 468 .num_ports = 2, 469 .base_baud = 115200, 470 .uart_offset = 8, 471 }, 472 }; 473 474 struct parport_serial_private { 475 struct serial_private *serial; 476 int num_par; 477 struct parport *port[PARPORT_MAX]; 478 struct parport_pc_pci par; 479 }; 480 481 /* Register the serial port(s) of a PCI card. */ 482 static int __devinit serial_register (struct pci_dev *dev, 483 const struct pci_device_id *id) 484 { 485 struct parport_serial_private *priv = pci_get_drvdata (dev); 486 struct pciserial_board *board; 487 struct serial_private *serial; 488 489 board = &pci_parport_serial_boards[id->driver_data]; 490 491 if (board->num_ports == 0) 492 return 0; 493 494 serial = pciserial_init_ports(dev, board); 495 496 if (IS_ERR(serial)) 497 return PTR_ERR(serial); 498 499 priv->serial = serial; 500 return 0; 501 } 502 503 /* Register the parallel port(s) of a PCI card. */ 504 static int __devinit parport_register (struct pci_dev *dev, 505 const struct pci_device_id *id) 506 { 507 struct parport_pc_pci *card; 508 struct parport_serial_private *priv = pci_get_drvdata (dev); 509 int n, success = 0; 510 511 priv->par = cards[id->driver_data]; 512 card = &priv->par; 513 if (card->preinit_hook && 514 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) 515 return -ENODEV; 516 517 for (n = 0; n < card->numports; n++) { 518 struct parport *port; 519 int lo = card->addr[n].lo; 520 int hi = card->addr[n].hi; 521 unsigned long io_lo, io_hi; 522 int irq; 523 524 if (priv->num_par == ARRAY_SIZE (priv->port)) { 525 printk (KERN_WARNING 526 "parport_serial: %s: only %zu parallel ports " 527 "supported (%d reported)\n", pci_name (dev), 528 ARRAY_SIZE(priv->port), card->numports); 529 break; 530 } 531 532 io_lo = pci_resource_start (dev, lo); 533 io_hi = 0; 534 if ((hi >= 0) && (hi <= 6)) 535 io_hi = pci_resource_start (dev, hi); 536 else if (hi > 6) 537 io_lo += hi; /* Reinterpret the meaning of 538 "hi" as an offset (see SYBA 539 def.) */ 540 /* TODO: test if sharing interrupts works */ 541 irq = dev->irq; 542 if (irq == IRQ_NONE) { 543 dev_dbg(&dev->dev, 544 "PCI parallel port detected: I/O at %#lx(%#lx)\n", 545 io_lo, io_hi); 546 irq = PARPORT_IRQ_NONE; 547 } else { 548 dev_dbg(&dev->dev, 549 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n", 550 io_lo, io_hi, irq); 551 } 552 port = parport_pc_probe_port (io_lo, io_hi, irq, 553 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED); 554 if (port) { 555 priv->port[priv->num_par++] = port; 556 success = 1; 557 } 558 } 559 560 if (card->postinit_hook) 561 card->postinit_hook (dev, card, !success); 562 563 return 0; 564 } 565 566 static int __devinit parport_serial_pci_probe (struct pci_dev *dev, 567 const struct pci_device_id *id) 568 { 569 struct parport_serial_private *priv; 570 int err; 571 572 priv = kzalloc (sizeof *priv, GFP_KERNEL); 573 if (!priv) 574 return -ENOMEM; 575 pci_set_drvdata (dev, priv); 576 577 err = pci_enable_device (dev); 578 if (err) { 579 pci_set_drvdata (dev, NULL); 580 kfree (priv); 581 return err; 582 } 583 584 if (parport_register (dev, id)) { 585 pci_set_drvdata (dev, NULL); 586 kfree (priv); 587 return -ENODEV; 588 } 589 590 if (serial_register (dev, id)) { 591 int i; 592 for (i = 0; i < priv->num_par; i++) 593 parport_pc_unregister_port (priv->port[i]); 594 pci_set_drvdata (dev, NULL); 595 kfree (priv); 596 return -ENODEV; 597 } 598 599 return 0; 600 } 601 602 static void __devexit parport_serial_pci_remove (struct pci_dev *dev) 603 { 604 struct parport_serial_private *priv = pci_get_drvdata (dev); 605 int i; 606 607 pci_set_drvdata(dev, NULL); 608 609 // Serial ports 610 if (priv->serial) 611 pciserial_remove_ports(priv->serial); 612 613 // Parallel ports 614 for (i = 0; i < priv->num_par; i++) 615 parport_pc_unregister_port (priv->port[i]); 616 617 kfree (priv); 618 return; 619 } 620 621 #ifdef CONFIG_PM 622 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) 623 { 624 struct parport_serial_private *priv = pci_get_drvdata(dev); 625 626 if (priv->serial) 627 pciserial_suspend_ports(priv->serial); 628 629 /* FIXME: What about parport? */ 630 631 pci_save_state(dev); 632 pci_set_power_state(dev, pci_choose_state(dev, state)); 633 return 0; 634 } 635 636 static int parport_serial_pci_resume(struct pci_dev *dev) 637 { 638 struct parport_serial_private *priv = pci_get_drvdata(dev); 639 int err; 640 641 pci_set_power_state(dev, PCI_D0); 642 pci_restore_state(dev); 643 644 /* 645 * The device may have been disabled. Re-enable it. 646 */ 647 err = pci_enable_device(dev); 648 if (err) { 649 printk(KERN_ERR "parport_serial: %s: error enabling " 650 "device for resume (%d)\n", pci_name(dev), err); 651 return err; 652 } 653 654 if (priv->serial) 655 pciserial_resume_ports(priv->serial); 656 657 /* FIXME: What about parport? */ 658 659 return 0; 660 } 661 #endif 662 663 static struct pci_driver parport_serial_pci_driver = { 664 .name = "parport_serial", 665 .id_table = parport_serial_pci_tbl, 666 .probe = parport_serial_pci_probe, 667 .remove = __devexit_p(parport_serial_pci_remove), 668 #ifdef CONFIG_PM 669 .suspend = parport_serial_pci_suspend, 670 .resume = parport_serial_pci_resume, 671 #endif 672 }; 673 674 675 static int __init parport_serial_init (void) 676 { 677 return pci_register_driver (&parport_serial_pci_driver); 678 } 679 680 static void __exit parport_serial_exit (void) 681 { 682 pci_unregister_driver (&parport_serial_pci_driver); 683 return; 684 } 685 686 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); 687 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); 688 MODULE_LICENSE("GPL"); 689 690 module_init(parport_serial_init); 691 module_exit(parport_serial_exit); 692