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_1s1p, 66 wch_ch353_2s1p, 67 wch_ch382_2s1p, 68 sunix_2s1p, 69 }; 70 71 /* each element directly indexed from enum list, above */ 72 struct parport_pc_pci { 73 int numports; 74 struct { /* BAR (base address registers) numbers in the config 75 space header */ 76 int lo; 77 int hi; /* -1 if not there, >6 for offset-method (max 78 BAR is 6) */ 79 } addr[4]; 80 81 /* If set, this is called immediately after pci_enable_device. 82 * If it returns non-zero, no probing will take place and the 83 * ports will not be used. */ 84 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, 85 int autoirq, int autodma); 86 87 /* If set, this is called after probing for ports. If 'failed' 88 * is non-zero we couldn't use any of the ports. */ 89 void (*postinit_hook) (struct pci_dev *pdev, 90 struct parport_pc_pci *card, int failed); 91 }; 92 93 static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, 94 int autoirq, int autodma) 95 { 96 /* the rule described below doesn't hold for this device */ 97 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 && 98 dev->subsystem_vendor == PCI_VENDOR_ID_IBM && 99 dev->subsystem_device == 0x0299) 100 return -ENODEV; 101 102 if (dev->device == PCI_DEVICE_ID_NETMOS_9912) { 103 par->numports = 1; 104 } else { 105 /* 106 * Netmos uses the subdevice ID to indicate the number of parallel 107 * and serial ports. The form is 0x00PS, where <P> is the number of 108 * parallel ports and <S> is the number of serial ports. 109 */ 110 par->numports = (dev->subsystem_device & 0xf0) >> 4; 111 if (par->numports > ARRAY_SIZE(par->addr)) 112 par->numports = ARRAY_SIZE(par->addr); 113 } 114 115 return 0; 116 } 117 118 static struct parport_pc_pci cards[] = { 119 /* titan_110l */ { 1, { { 3, -1 }, } }, 120 /* titan_210l */ { 1, { { 3, -1 }, } }, 121 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, 122 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, 123 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } }, 124 /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init }, 125 /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } }, 126 /* netmos_99xx_1p */ {1, { { 0, 1 }, } }, 127 /* avlab_1s1p */ { 1, { { 1, 2}, } }, 128 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, 129 /* avlab_2s1p */ { 1, { { 2, 3}, } }, 130 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, 131 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, 132 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, 133 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, 134 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, 135 /* timedia_4078a */ { 1, { { 2, -1 }, } }, 136 /* timedia_4079h */ { 1, { { 2, 3 }, } }, 137 /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } }, 138 /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 139 /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 140 /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 141 /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 142 /* timedia_4078u */ { 1, { { 2, -1 }, } }, 143 /* timedia_4079a */ { 1, { { 2, 3 }, } }, 144 /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } }, 145 /* timedia_4079r */ { 1, { { 2, 3 }, } }, 146 /* timedia_4079s */ { 1, { { 2, 3 }, } }, 147 /* timedia_4079d */ { 1, { { 2, 3 }, } }, 148 /* timedia_4079e */ { 1, { { 2, 3 }, } }, 149 /* timedia_4079f */ { 1, { { 2, 3 }, } }, 150 /* timedia_9079a */ { 1, { { 2, 3 }, } }, 151 /* timedia_9079b */ { 1, { { 2, 3 }, } }, 152 /* timedia_9079c */ { 1, { { 2, 3 }, } }, 153 /* wch_ch353_1s1p*/ { 1, { { 1, -1}, } }, 154 /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } }, 155 /* wch_ch382_2s1p*/ { 1, { { 2, -1}, } }, 156 /* sunix_2s1p */ { 1, { { 3, -1 }, } }, 157 }; 158 159 #define PCI_VENDOR_ID_SUNIX 0x1fd4 160 #define PCI_DEVICE_ID_SUNIX_1999 0x1999 161 162 static struct pci_device_id parport_serial_pci_tbl[] = { 163 /* PCI cards */ 164 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, 165 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, 166 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, 167 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, 168 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, 169 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 170 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, 171 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 172 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, 173 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 174 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, 175 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 176 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 177 0x1000, 0x0020, 0, 0, netmos_9855_2p }, 178 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 179 0x1000, 0x0022, 0, 0, netmos_9855_2p }, 180 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 181 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, 182 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 183 0xA000, 0x3011, 0, 0, netmos_9900 }, 184 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 185 0xA000, 0x3012, 0, 0, netmos_9900 }, 186 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 187 0xA000, 0x3020, 0, 0, netmos_9900_2p }, 188 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912, 189 0xA000, 0x2000, 0, 0, netmos_99xx_1p }, 190 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ 191 { PCI_VENDOR_ID_AFAVLAB, 0x2110, 192 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 193 { PCI_VENDOR_ID_AFAVLAB, 0x2111, 194 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 195 { PCI_VENDOR_ID_AFAVLAB, 0x2112, 196 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 197 { PCI_VENDOR_ID_AFAVLAB, 0x2140, 198 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 199 { PCI_VENDOR_ID_AFAVLAB, 0x2141, 200 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 201 { PCI_VENDOR_ID_AFAVLAB, 0x2142, 202 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 203 { PCI_VENDOR_ID_AFAVLAB, 0x2160, 204 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 205 { PCI_VENDOR_ID_AFAVLAB, 0x2161, 206 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 207 { PCI_VENDOR_ID_AFAVLAB, 0x2162, 208 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 209 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, 210 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 211 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, 212 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 213 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, 214 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 215 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, 216 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 217 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, 218 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 219 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, 220 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 221 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, 222 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 223 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, 224 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 225 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, 226 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 227 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, 228 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 229 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, 230 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 231 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, 232 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 233 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, 234 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 235 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, 236 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 237 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, 238 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 239 /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/ 240 { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a }, 241 { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h }, 242 { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h }, 243 { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a }, 244 { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a }, 245 { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a }, 246 { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a }, 247 { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u }, 248 { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a }, 249 { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u }, 250 { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r }, 251 { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s }, 252 { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d }, 253 { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e }, 254 { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f }, 255 { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a }, 256 { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b }, 257 { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c }, 258 259 /* WCH CARDS */ 260 { 0x4348, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, wch_ch353_1s1p}, 261 { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p}, 262 { 0x1c00, 0x3250, 0x1c00, 0x3250, 0, 0, wch_ch382_2s1p}, 263 264 /* 265 * More SUNIX variations. At least one of these has part number 266 * '5079A but subdevice 0x102. That board reports 0x0708 as 267 * its PCI Class. 268 */ 269 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 270 0x0102, 0, 0, sunix_2s1p }, 271 272 { 0, } /* terminate list */ 273 }; 274 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); 275 276 /* 277 * This table describes the serial "geometry" of these boards. Any 278 * quirks for these can be found in drivers/serial/8250_pci.c 279 * 280 * Cards not tested are marked n/t 281 * If you have one of these cards and it works for you, please tell me.. 282 */ 283 static struct pciserial_board pci_parport_serial_boards[] = { 284 [titan_110l] = { 285 .flags = FL_BASE1 | FL_BASE_BARS, 286 .num_ports = 1, 287 .base_baud = 921600, 288 .uart_offset = 8, 289 }, 290 [titan_210l] = { 291 .flags = FL_BASE1 | FL_BASE_BARS, 292 .num_ports = 2, 293 .base_baud = 921600, 294 .uart_offset = 8, 295 }, 296 [netmos_9xx5_combo] = { 297 .flags = FL_BASE0 | FL_BASE_BARS, 298 .num_ports = 1, 299 .base_baud = 115200, 300 .uart_offset = 8, 301 }, 302 [netmos_9855] = { 303 .flags = FL_BASE2 | FL_BASE_BARS, 304 .num_ports = 1, 305 .base_baud = 115200, 306 .uart_offset = 8, 307 }, 308 [netmos_9855_2p] = { 309 .flags = FL_BASE4 | FL_BASE_BARS, 310 .num_ports = 1, 311 .base_baud = 115200, 312 .uart_offset = 8, 313 }, 314 [netmos_9900] = { /* n/t */ 315 .flags = FL_BASE0 | FL_BASE_BARS, 316 .num_ports = 1, 317 .base_baud = 115200, 318 .uart_offset = 8, 319 }, 320 [netmos_9900_2p] = { /* parallel only */ /* n/t */ 321 .flags = FL_BASE0, 322 .num_ports = 0, 323 .base_baud = 115200, 324 .uart_offset = 8, 325 }, 326 [netmos_99xx_1p] = { /* parallel only */ /* n/t */ 327 .flags = FL_BASE0, 328 .num_ports = 0, 329 .base_baud = 115200, 330 .uart_offset = 8, 331 }, 332 [avlab_1s1p] = { /* n/t */ 333 .flags = FL_BASE0 | FL_BASE_BARS, 334 .num_ports = 1, 335 .base_baud = 115200, 336 .uart_offset = 8, 337 }, 338 [avlab_1s2p] = { /* n/t */ 339 .flags = FL_BASE0 | FL_BASE_BARS, 340 .num_ports = 1, 341 .base_baud = 115200, 342 .uart_offset = 8, 343 }, 344 [avlab_2s1p] = { /* n/t */ 345 .flags = FL_BASE0 | FL_BASE_BARS, 346 .num_ports = 2, 347 .base_baud = 115200, 348 .uart_offset = 8, 349 }, 350 [siig_1s1p_10x] = { 351 .flags = FL_BASE2, 352 .num_ports = 1, 353 .base_baud = 460800, 354 .uart_offset = 8, 355 }, 356 [siig_2s1p_10x] = { 357 .flags = FL_BASE2, 358 .num_ports = 1, 359 .base_baud = 921600, 360 .uart_offset = 8, 361 }, 362 [siig_2p1s_20x] = { 363 .flags = FL_BASE0, 364 .num_ports = 1, 365 .base_baud = 921600, 366 .uart_offset = 8, 367 }, 368 [siig_1s1p_20x] = { 369 .flags = FL_BASE0, 370 .num_ports = 1, 371 .base_baud = 921600, 372 .uart_offset = 8, 373 }, 374 [siig_2s1p_20x] = { 375 .flags = FL_BASE0, 376 .num_ports = 1, 377 .base_baud = 921600, 378 .uart_offset = 8, 379 }, 380 [timedia_4078a] = { 381 .flags = FL_BASE0|FL_BASE_BARS, 382 .num_ports = 1, 383 .base_baud = 921600, 384 .uart_offset = 8, 385 }, 386 [timedia_4079h] = { 387 .flags = FL_BASE0|FL_BASE_BARS, 388 .num_ports = 1, 389 .base_baud = 921600, 390 .uart_offset = 8, 391 }, 392 [timedia_4085h] = { 393 .flags = FL_BASE0|FL_BASE_BARS, 394 .num_ports = 1, 395 .base_baud = 921600, 396 .uart_offset = 8, 397 }, 398 [timedia_4088a] = { 399 .flags = FL_BASE0|FL_BASE_BARS, 400 .num_ports = 1, 401 .base_baud = 921600, 402 .uart_offset = 8, 403 }, 404 [timedia_4089a] = { 405 .flags = FL_BASE0|FL_BASE_BARS, 406 .num_ports = 1, 407 .base_baud = 921600, 408 .uart_offset = 8, 409 }, 410 [timedia_4095a] = { 411 .flags = FL_BASE0|FL_BASE_BARS, 412 .num_ports = 1, 413 .base_baud = 921600, 414 .uart_offset = 8, 415 }, 416 [timedia_4096a] = { 417 .flags = FL_BASE0|FL_BASE_BARS, 418 .num_ports = 1, 419 .base_baud = 921600, 420 .uart_offset = 8, 421 }, 422 [timedia_4078u] = { 423 .flags = FL_BASE0|FL_BASE_BARS, 424 .num_ports = 1, 425 .base_baud = 921600, 426 .uart_offset = 8, 427 }, 428 [timedia_4079a] = { 429 .flags = FL_BASE0|FL_BASE_BARS, 430 .num_ports = 1, 431 .base_baud = 921600, 432 .uart_offset = 8, 433 }, 434 [timedia_4085u] = { 435 .flags = FL_BASE0|FL_BASE_BARS, 436 .num_ports = 1, 437 .base_baud = 921600, 438 .uart_offset = 8, 439 }, 440 [timedia_4079r] = { 441 .flags = FL_BASE0|FL_BASE_BARS, 442 .num_ports = 1, 443 .base_baud = 921600, 444 .uart_offset = 8, 445 }, 446 [timedia_4079s] = { 447 .flags = FL_BASE0|FL_BASE_BARS, 448 .num_ports = 1, 449 .base_baud = 921600, 450 .uart_offset = 8, 451 }, 452 [timedia_4079d] = { 453 .flags = FL_BASE0|FL_BASE_BARS, 454 .num_ports = 1, 455 .base_baud = 921600, 456 .uart_offset = 8, 457 }, 458 [timedia_4079e] = { 459 .flags = FL_BASE0|FL_BASE_BARS, 460 .num_ports = 1, 461 .base_baud = 921600, 462 .uart_offset = 8, 463 }, 464 [timedia_4079f] = { 465 .flags = FL_BASE0|FL_BASE_BARS, 466 .num_ports = 1, 467 .base_baud = 921600, 468 .uart_offset = 8, 469 }, 470 [timedia_9079a] = { 471 .flags = FL_BASE0|FL_BASE_BARS, 472 .num_ports = 1, 473 .base_baud = 921600, 474 .uart_offset = 8, 475 }, 476 [timedia_9079b] = { 477 .flags = FL_BASE0|FL_BASE_BARS, 478 .num_ports = 1, 479 .base_baud = 921600, 480 .uart_offset = 8, 481 }, 482 [timedia_9079c] = { 483 .flags = FL_BASE0|FL_BASE_BARS, 484 .num_ports = 1, 485 .base_baud = 921600, 486 .uart_offset = 8, 487 }, 488 [wch_ch353_1s1p] = { 489 .flags = FL_BASE0|FL_BASE_BARS, 490 .num_ports = 1, 491 .base_baud = 115200, 492 .uart_offset = 8, 493 }, 494 [wch_ch353_2s1p] = { 495 .flags = FL_BASE0|FL_BASE_BARS, 496 .num_ports = 2, 497 .base_baud = 115200, 498 .uart_offset = 8, 499 }, 500 [wch_ch382_2s1p] = { 501 .flags = FL_BASE0, 502 .num_ports = 2, 503 .base_baud = 115200, 504 .uart_offset = 8, 505 .first_offset = 0xC0, 506 }, 507 [sunix_2s1p] = { 508 .flags = FL_BASE0|FL_BASE_BARS, 509 .num_ports = 2, 510 .base_baud = 921600, 511 .uart_offset = 8, 512 }, 513 }; 514 515 struct parport_serial_private { 516 struct serial_private *serial; 517 int num_par; 518 struct parport *port[PARPORT_MAX]; 519 struct parport_pc_pci par; 520 }; 521 522 /* Register the serial port(s) of a PCI card. */ 523 static int serial_register(struct pci_dev *dev, const struct pci_device_id *id) 524 { 525 struct parport_serial_private *priv = pci_get_drvdata (dev); 526 struct pciserial_board *board; 527 struct serial_private *serial; 528 529 board = &pci_parport_serial_boards[id->driver_data]; 530 531 if (board->num_ports == 0) 532 return 0; 533 534 serial = pciserial_init_ports(dev, board); 535 536 if (IS_ERR(serial)) 537 return PTR_ERR(serial); 538 539 priv->serial = serial; 540 return 0; 541 } 542 543 /* Register the parallel port(s) of a PCI card. */ 544 static int parport_register(struct pci_dev *dev, const struct pci_device_id *id) 545 { 546 struct parport_pc_pci *card; 547 struct parport_serial_private *priv = pci_get_drvdata (dev); 548 int n, success = 0; 549 550 priv->par = cards[id->driver_data]; 551 card = &priv->par; 552 if (card->preinit_hook && 553 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) 554 return -ENODEV; 555 556 for (n = 0; n < card->numports; n++) { 557 struct parport *port; 558 int lo = card->addr[n].lo; 559 int hi = card->addr[n].hi; 560 unsigned long io_lo, io_hi; 561 int irq; 562 563 if (priv->num_par == ARRAY_SIZE (priv->port)) { 564 printk (KERN_WARNING 565 "parport_serial: %s: only %zu parallel ports " 566 "supported (%d reported)\n", pci_name (dev), 567 ARRAY_SIZE(priv->port), card->numports); 568 break; 569 } 570 571 io_lo = pci_resource_start (dev, lo); 572 io_hi = 0; 573 if ((hi >= 0) && (hi <= 6)) 574 io_hi = pci_resource_start (dev, hi); 575 else if (hi > 6) 576 io_lo += hi; /* Reinterpret the meaning of 577 "hi" as an offset (see SYBA 578 def.) */ 579 /* TODO: test if sharing interrupts works */ 580 irq = dev->irq; 581 if (irq == IRQ_NONE) { 582 dev_dbg(&dev->dev, 583 "PCI parallel port detected: I/O at %#lx(%#lx)\n", 584 io_lo, io_hi); 585 irq = PARPORT_IRQ_NONE; 586 } else { 587 dev_dbg(&dev->dev, 588 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n", 589 io_lo, io_hi, irq); 590 } 591 port = parport_pc_probe_port (io_lo, io_hi, irq, 592 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED); 593 if (port) { 594 priv->port[priv->num_par++] = port; 595 success = 1; 596 } 597 } 598 599 if (card->postinit_hook) 600 card->postinit_hook (dev, card, !success); 601 602 return 0; 603 } 604 605 static int parport_serial_pci_probe(struct pci_dev *dev, 606 const struct pci_device_id *id) 607 { 608 struct parport_serial_private *priv; 609 int err; 610 611 priv = kzalloc (sizeof *priv, GFP_KERNEL); 612 if (!priv) 613 return -ENOMEM; 614 pci_set_drvdata (dev, priv); 615 616 err = pci_enable_device (dev); 617 if (err) { 618 kfree (priv); 619 return err; 620 } 621 622 if (parport_register (dev, id)) { 623 kfree (priv); 624 return -ENODEV; 625 } 626 627 if (serial_register (dev, id)) { 628 int i; 629 for (i = 0; i < priv->num_par; i++) 630 parport_pc_unregister_port (priv->port[i]); 631 kfree (priv); 632 return -ENODEV; 633 } 634 635 return 0; 636 } 637 638 static void parport_serial_pci_remove(struct pci_dev *dev) 639 { 640 struct parport_serial_private *priv = pci_get_drvdata (dev); 641 int i; 642 643 // Serial ports 644 if (priv->serial) 645 pciserial_remove_ports(priv->serial); 646 647 // Parallel ports 648 for (i = 0; i < priv->num_par; i++) 649 parport_pc_unregister_port (priv->port[i]); 650 651 kfree (priv); 652 return; 653 } 654 655 #ifdef CONFIG_PM 656 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) 657 { 658 struct parport_serial_private *priv = pci_get_drvdata(dev); 659 660 if (priv->serial) 661 pciserial_suspend_ports(priv->serial); 662 663 /* FIXME: What about parport? */ 664 665 pci_save_state(dev); 666 pci_set_power_state(dev, pci_choose_state(dev, state)); 667 return 0; 668 } 669 670 static int parport_serial_pci_resume(struct pci_dev *dev) 671 { 672 struct parport_serial_private *priv = pci_get_drvdata(dev); 673 int err; 674 675 pci_set_power_state(dev, PCI_D0); 676 pci_restore_state(dev); 677 678 /* 679 * The device may have been disabled. Re-enable it. 680 */ 681 err = pci_enable_device(dev); 682 if (err) { 683 printk(KERN_ERR "parport_serial: %s: error enabling " 684 "device for resume (%d)\n", pci_name(dev), err); 685 return err; 686 } 687 688 if (priv->serial) 689 pciserial_resume_ports(priv->serial); 690 691 /* FIXME: What about parport? */ 692 693 return 0; 694 } 695 #endif 696 697 static struct pci_driver parport_serial_pci_driver = { 698 .name = "parport_serial", 699 .id_table = parport_serial_pci_tbl, 700 .probe = parport_serial_pci_probe, 701 .remove = parport_serial_pci_remove, 702 #ifdef CONFIG_PM 703 .suspend = parport_serial_pci_suspend, 704 .resume = parport_serial_pci_resume, 705 #endif 706 }; 707 708 709 static int __init parport_serial_init (void) 710 { 711 return pci_register_driver (&parport_serial_pci_driver); 712 } 713 714 static void __exit parport_serial_exit (void) 715 { 716 pci_unregister_driver (&parport_serial_pci_driver); 717 return; 718 } 719 720 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); 721 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); 722 MODULE_LICENSE("GPL"); 723 724 module_init(parport_serial_init); 725 module_exit(parport_serial_exit); 726