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/pci.h> 24 #include <linux/parport.h> 25 #include <linux/parport_pc.h> 26 #include <linux/8250_pci.h> 27 28 enum parport_pc_pci_cards { 29 titan_110l = 0, 30 titan_210l, 31 netmos_9xx5_combo, 32 netmos_9855, 33 avlab_1s1p, 34 avlab_1s1p_650, 35 avlab_1s1p_850, 36 avlab_1s2p, 37 avlab_1s2p_650, 38 avlab_1s2p_850, 39 avlab_2s1p, 40 avlab_2s1p_650, 41 avlab_2s1p_850, 42 siig_1s1p_10x, 43 siig_2s1p_10x, 44 siig_2p1s_20x, 45 siig_1s1p_20x, 46 siig_2s1p_20x, 47 }; 48 49 /* each element directly indexed from enum list, above */ 50 struct parport_pc_pci { 51 int numports; 52 struct { /* BAR (base address registers) numbers in the config 53 space header */ 54 int lo; 55 int hi; /* -1 if not there, >6 for offset-method (max 56 BAR is 6) */ 57 } addr[4]; 58 59 /* If set, this is called immediately after pci_enable_device. 60 * If it returns non-zero, no probing will take place and the 61 * ports will not be used. */ 62 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, 63 int autoirq, int autodma); 64 65 /* If set, this is called after probing for ports. If 'failed' 66 * is non-zero we couldn't use any of the ports. */ 67 void (*postinit_hook) (struct pci_dev *pdev, 68 struct parport_pc_pci *card, int failed); 69 }; 70 71 static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *card, int autoirq, int autodma) 72 { 73 /* 74 * Netmos uses the subdevice ID to indicate the number of parallel 75 * and serial ports. The form is 0x00PS, where <P> is the number of 76 * parallel ports and <S> is the number of serial ports. 77 */ 78 card->numports = (dev->subsystem_device & 0xf0) >> 4; 79 return 0; 80 } 81 82 static struct parport_pc_pci cards[] __devinitdata = { 83 /* titan_110l */ { 1, { { 3, -1 }, } }, 84 /* titan_210l */ { 1, { { 3, -1 }, } }, 85 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, 86 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, 87 /* avlab_1s1p */ { 1, { { 1, 2}, } }, 88 /* avlab_1s1p_650 */ { 1, { { 1, 2}, } }, 89 /* avlab_1s1p_850 */ { 1, { { 1, 2}, } }, 90 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, 91 /* avlab_1s2p_650 */ { 2, { { 1, 2}, { 3, 4 },} }, 92 /* avlab_1s2p_850 */ { 2, { { 1, 2}, { 3, 4 },} }, 93 /* avlab_2s1p */ { 1, { { 2, 3}, } }, 94 /* avlab_2s1p_650 */ { 1, { { 2, 3}, } }, 95 /* avlab_2s1p_850 */ { 1, { { 2, 3}, } }, 96 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, 97 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, 98 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, 99 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, 100 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, 101 }; 102 103 static struct pci_device_id parport_serial_pci_tbl[] = { 104 /* PCI cards */ 105 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, 106 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, 107 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, 108 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, 109 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, 110 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 111 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, 112 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 113 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, 114 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 115 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, 116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 117 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, 118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 119 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, 121 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ 122 { 0x14db, 0x2110, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p}, 123 { 0x14db, 0x2111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_650}, 124 { 0x14db, 0x2112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_850}, 125 { 0x14db, 0x2140, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p}, 126 { 0x14db, 0x2141, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_650}, 127 { 0x14db, 0x2142, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_850}, 128 { 0x14db, 0x2160, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p}, 129 { 0x14db, 0x2161, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_650}, 130 { 0x14db, 0x2162, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_850}, 131 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, 132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 133 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, 134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 135 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, 136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 137 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, 138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 139 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, 140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 141 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, 142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 143 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, 144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 145 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, 146 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 147 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, 148 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 149 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, 150 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 151 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, 152 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 153 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, 154 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 155 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, 156 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 157 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, 158 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 159 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, 160 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 161 162 { 0, } /* terminate list */ 163 }; 164 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); 165 166 /* 167 * This table describes the serial "geometry" of these boards. Any 168 * quirks for these can be found in drivers/serial/8250_pci.c 169 * 170 * Cards not tested are marked n/t 171 * If you have one of these cards and it works for you, please tell me.. 172 */ 173 static struct pciserial_board pci_parport_serial_boards[] __devinitdata = { 174 [titan_110l] = { 175 .flags = FL_BASE1 | FL_BASE_BARS, 176 .num_ports = 1, 177 .base_baud = 921600, 178 .uart_offset = 8, 179 }, 180 [titan_210l] = { 181 .flags = FL_BASE1 | FL_BASE_BARS, 182 .num_ports = 2, 183 .base_baud = 921600, 184 .uart_offset = 8, 185 }, 186 [netmos_9xx5_combo] = { 187 .flags = FL_BASE0 | FL_BASE_BARS, 188 .num_ports = 1, 189 .base_baud = 115200, 190 .uart_offset = 8, 191 }, 192 [netmos_9855] = { 193 .flags = FL_BASE2 | FL_BASE_BARS, 194 .num_ports = 1, 195 .base_baud = 115200, 196 .uart_offset = 8, 197 }, 198 [avlab_1s1p] = { /* n/t */ 199 .flags = FL_BASE0 | FL_BASE_BARS, 200 .num_ports = 1, 201 .base_baud = 115200, 202 .uart_offset = 8, 203 }, 204 [avlab_1s1p_650] = { /* nt */ 205 .flags = FL_BASE0 | FL_BASE_BARS, 206 .num_ports = 1, 207 .base_baud = 115200, 208 .uart_offset = 8, 209 }, 210 [avlab_1s1p_850] = { /* nt */ 211 .flags = FL_BASE0 | FL_BASE_BARS, 212 .num_ports = 1, 213 .base_baud = 115200, 214 .uart_offset = 8, 215 }, 216 [avlab_1s2p] = { /* n/t */ 217 .flags = FL_BASE0 | FL_BASE_BARS, 218 .num_ports = 1, 219 .base_baud = 115200, 220 .uart_offset = 8, 221 }, 222 [avlab_1s2p_650] = { /* nt */ 223 .flags = FL_BASE0 | FL_BASE_BARS, 224 .num_ports = 1, 225 .base_baud = 115200, 226 .uart_offset = 8, 227 }, 228 [avlab_1s2p_850] = { /* nt */ 229 .flags = FL_BASE0 | FL_BASE_BARS, 230 .num_ports = 1, 231 .base_baud = 115200, 232 .uart_offset = 8, 233 }, 234 [avlab_2s1p] = { /* n/t */ 235 .flags = FL_BASE0 | FL_BASE_BARS, 236 .num_ports = 2, 237 .base_baud = 115200, 238 .uart_offset = 8, 239 }, 240 [avlab_2s1p_650] = { /* nt */ 241 .flags = FL_BASE0 | FL_BASE_BARS, 242 .num_ports = 2, 243 .base_baud = 115200, 244 .uart_offset = 8, 245 }, 246 [avlab_2s1p_850] = { /* nt */ 247 .flags = FL_BASE0 | FL_BASE_BARS, 248 .num_ports = 2, 249 .base_baud = 115200, 250 .uart_offset = 8, 251 }, 252 [siig_1s1p_10x] = { 253 .flags = FL_BASE2, 254 .num_ports = 1, 255 .base_baud = 460800, 256 .uart_offset = 8, 257 }, 258 [siig_2s1p_10x] = { 259 .flags = FL_BASE2, 260 .num_ports = 1, 261 .base_baud = 921600, 262 .uart_offset = 8, 263 }, 264 [siig_2p1s_20x] = { 265 .flags = FL_BASE0, 266 .num_ports = 1, 267 .base_baud = 921600, 268 .uart_offset = 8, 269 }, 270 [siig_1s1p_20x] = { 271 .flags = FL_BASE0, 272 .num_ports = 1, 273 .base_baud = 921600, 274 .uart_offset = 8, 275 }, 276 [siig_2s1p_20x] = { 277 .flags = FL_BASE0, 278 .num_ports = 1, 279 .base_baud = 921600, 280 .uart_offset = 8, 281 }, 282 }; 283 284 struct parport_serial_private { 285 struct serial_private *serial; 286 int num_par; 287 struct parport *port[PARPORT_MAX]; 288 struct parport_pc_pci par; 289 }; 290 291 /* Register the serial port(s) of a PCI card. */ 292 static int __devinit serial_register (struct pci_dev *dev, 293 const struct pci_device_id *id) 294 { 295 struct parport_serial_private *priv = pci_get_drvdata (dev); 296 struct pciserial_board *board; 297 struct serial_private *serial; 298 299 board = &pci_parport_serial_boards[id->driver_data]; 300 serial = pciserial_init_ports(dev, board); 301 302 if (IS_ERR(serial)) 303 return PTR_ERR(serial); 304 305 priv->serial = serial; 306 return 0; 307 } 308 309 /* Register the parallel port(s) of a PCI card. */ 310 static int __devinit parport_register (struct pci_dev *dev, 311 const struct pci_device_id *id) 312 { 313 struct parport_pc_pci *card; 314 struct parport_serial_private *priv = pci_get_drvdata (dev); 315 int i = id->driver_data, n; 316 int success = 0; 317 318 priv->par = cards[id->driver_data]; 319 card = &priv->par; 320 if (card->preinit_hook && 321 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) 322 return -ENODEV; 323 324 for (n = 0; n < card->numports; n++) { 325 struct parport *port; 326 int lo = card->addr[n].lo; 327 int hi = card->addr[n].hi; 328 unsigned long io_lo, io_hi; 329 330 if (priv->num_par == ARRAY_SIZE (priv->port)) { 331 printk (KERN_WARNING 332 "parport_serial: %s: only %u parallel ports " 333 "supported (%d reported)\n", pci_name (dev), 334 ARRAY_SIZE (priv->port), card->numports); 335 break; 336 } 337 338 io_lo = pci_resource_start (dev, lo); 339 io_hi = 0; 340 if ((hi >= 0) && (hi <= 6)) 341 io_hi = pci_resource_start (dev, hi); 342 else if (hi > 6) 343 io_lo += hi; /* Reinterpret the meaning of 344 "hi" as an offset (see SYBA 345 def.) */ 346 /* TODO: test if sharing interrupts works */ 347 printk (KERN_DEBUG "PCI parallel port detected: %04x:%04x, " 348 "I/O at %#lx(%#lx)\n", 349 parport_serial_pci_tbl[i].vendor, 350 parport_serial_pci_tbl[i].device, io_lo, io_hi); 351 port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, 352 PARPORT_DMA_NONE, dev); 353 if (port) { 354 priv->port[priv->num_par++] = port; 355 success = 1; 356 } 357 } 358 359 if (card->postinit_hook) 360 card->postinit_hook (dev, card, !success); 361 362 return success ? 0 : 1; 363 } 364 365 static int __devinit parport_serial_pci_probe (struct pci_dev *dev, 366 const struct pci_device_id *id) 367 { 368 struct parport_serial_private *priv; 369 int err; 370 371 priv = kmalloc (sizeof *priv, GFP_KERNEL); 372 if (!priv) 373 return -ENOMEM; 374 memset(priv, 0, sizeof(struct parport_serial_private)); 375 pci_set_drvdata (dev, priv); 376 377 err = pci_enable_device (dev); 378 if (err) { 379 pci_set_drvdata (dev, NULL); 380 kfree (priv); 381 return err; 382 } 383 384 if (parport_register (dev, id)) { 385 pci_set_drvdata (dev, NULL); 386 kfree (priv); 387 return -ENODEV; 388 } 389 390 if (serial_register (dev, id)) { 391 int i; 392 for (i = 0; i < priv->num_par; i++) 393 parport_pc_unregister_port (priv->port[i]); 394 pci_set_drvdata (dev, NULL); 395 kfree (priv); 396 return -ENODEV; 397 } 398 399 return 0; 400 } 401 402 static void __devexit parport_serial_pci_remove (struct pci_dev *dev) 403 { 404 struct parport_serial_private *priv = pci_get_drvdata (dev); 405 int i; 406 407 pci_set_drvdata(dev, NULL); 408 409 // Serial ports 410 if (priv->serial) 411 pciserial_remove_ports(priv->serial); 412 413 // Parallel ports 414 for (i = 0; i < priv->num_par; i++) 415 parport_pc_unregister_port (priv->port[i]); 416 417 kfree (priv); 418 return; 419 } 420 421 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) 422 { 423 struct parport_serial_private *priv = pci_get_drvdata(dev); 424 425 if (priv->serial) 426 pciserial_suspend_ports(priv->serial); 427 428 /* FIXME: What about parport? */ 429 430 pci_save_state(dev); 431 pci_set_power_state(dev, pci_choose_state(dev, state)); 432 return 0; 433 } 434 435 static int parport_serial_pci_resume(struct pci_dev *dev) 436 { 437 struct parport_serial_private *priv = pci_get_drvdata(dev); 438 439 pci_set_power_state(dev, PCI_D0); 440 pci_restore_state(dev); 441 442 /* 443 * The device may have been disabled. Re-enable it. 444 */ 445 pci_enable_device(dev); 446 447 if (priv->serial) 448 pciserial_resume_ports(priv->serial); 449 450 /* FIXME: What about parport? */ 451 452 return 0; 453 } 454 455 static struct pci_driver parport_serial_pci_driver = { 456 .name = "parport_serial", 457 .id_table = parport_serial_pci_tbl, 458 .probe = parport_serial_pci_probe, 459 .remove = __devexit_p(parport_serial_pci_remove), 460 .suspend = parport_serial_pci_suspend, 461 .resume = parport_serial_pci_resume, 462 }; 463 464 465 static int __init parport_serial_init (void) 466 { 467 return pci_module_init (&parport_serial_pci_driver); 468 } 469 470 static void __exit parport_serial_exit (void) 471 { 472 pci_unregister_driver (&parport_serial_pci_driver); 473 return; 474 } 475 476 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); 477 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); 478 MODULE_LICENSE("GPL"); 479 480 module_init(parport_serial_init); 481 module_exit(parport_serial_exit); 482