parport_serial.c (20789B)
1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Support for common PCI multi-I/O cards (which is most of them) 4 * 5 * Copyright (C) 2001 Tim Waugh <twaugh@redhat.com> 6 * 7 * Multi-function PCI cards are supposed to present separate logical 8 * devices on the bus. A common thing to do seems to be to just use 9 * one logical device with lots of base address registers for both 10 * parallel ports and serial ports. This driver is for dealing with 11 * that. 12 */ 13 14#include <linux/interrupt.h> 15#include <linux/module.h> 16#include <linux/parport.h> 17#include <linux/parport_pc.h> 18#include <linux/pci.h> 19#include <linux/slab.h> 20#include <linux/types.h> 21 22#include <linux/8250_pci.h> 23 24enum parport_pc_pci_cards { 25 titan_110l = 0, 26 titan_210l, 27 netmos_9xx5_combo, 28 netmos_9855, 29 netmos_9855_2p, 30 netmos_9900, 31 netmos_9900_2p, 32 netmos_99xx_1p, 33 avlab_1s1p, 34 avlab_1s2p, 35 avlab_2s1p, 36 siig_1s1p_10x, 37 siig_2s1p_10x, 38 siig_2p1s_20x, 39 siig_1s1p_20x, 40 siig_2s1p_20x, 41 timedia_4078a, 42 timedia_4079h, 43 timedia_4085h, 44 timedia_4088a, 45 timedia_4089a, 46 timedia_4095a, 47 timedia_4096a, 48 timedia_4078u, 49 timedia_4079a, 50 timedia_4085u, 51 timedia_4079r, 52 timedia_4079s, 53 timedia_4079d, 54 timedia_4079e, 55 timedia_4079f, 56 timedia_9079a, 57 timedia_9079b, 58 timedia_9079c, 59 wch_ch353_1s1p, 60 wch_ch353_2s1p, 61 wch_ch382_0s1p, 62 wch_ch382_2s1p, 63 brainboxes_5s1p, 64 sunix_4008a, 65 sunix_5069a, 66 sunix_5079a, 67 sunix_5099a, 68}; 69 70/* each element directly indexed from enum list, above */ 71struct parport_pc_pci { 72 int numports; 73 struct { /* BAR (base address registers) numbers in the config 74 space header */ 75 int lo; 76 int hi; /* -1 if not there, >6 for offset-method (max 77 BAR is 6) */ 78 } addr[4]; 79 80 /* If set, this is called immediately after pci_enable_device. 81 * If it returns non-zero, no probing will take place and the 82 * ports will not be used. */ 83 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, 84 int autoirq, int autodma); 85 86 /* If set, this is called after probing for ports. If 'failed' 87 * is non-zero we couldn't use any of the ports. */ 88 void (*postinit_hook) (struct pci_dev *pdev, 89 struct parport_pc_pci *card, int failed); 90}; 91 92static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, 93 int autoirq, int autodma) 94{ 95 /* the rule described below doesn't hold for this device */ 96 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 && 97 dev->subsystem_vendor == PCI_VENDOR_ID_IBM && 98 dev->subsystem_device == 0x0299) 99 return -ENODEV; 100 101 if (dev->device == PCI_DEVICE_ID_NETMOS_9912) { 102 par->numports = 1; 103 } else { 104 /* 105 * Netmos uses the subdevice ID to indicate the number of parallel 106 * and serial ports. The form is 0x00PS, where <P> is the number of 107 * parallel ports and <S> is the number of serial ports. 108 */ 109 par->numports = (dev->subsystem_device & 0xf0) >> 4; 110 if (par->numports > ARRAY_SIZE(par->addr)) 111 par->numports = ARRAY_SIZE(par->addr); 112 } 113 114 return 0; 115} 116 117static struct parport_pc_pci cards[] = { 118 /* titan_110l */ { 1, { { 3, -1 }, } }, 119 /* titan_210l */ { 1, { { 3, -1 }, } }, 120 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, 121 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, 122 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } }, 123 /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init }, 124 /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } }, 125 /* netmos_99xx_1p */ {1, { { 0, 1 }, } }, 126 /* avlab_1s1p */ { 1, { { 1, 2}, } }, 127 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, 128 /* avlab_2s1p */ { 1, { { 2, 3}, } }, 129 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, 130 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, 131 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, 132 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, 133 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, 134 /* timedia_4078a */ { 1, { { 2, -1 }, } }, 135 /* timedia_4079h */ { 1, { { 2, 3 }, } }, 136 /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } }, 137 /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 138 /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 139 /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 140 /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } }, 141 /* timedia_4078u */ { 1, { { 2, -1 }, } }, 142 /* timedia_4079a */ { 1, { { 2, 3 }, } }, 143 /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } }, 144 /* timedia_4079r */ { 1, { { 2, 3 }, } }, 145 /* timedia_4079s */ { 1, { { 2, 3 }, } }, 146 /* timedia_4079d */ { 1, { { 2, 3 }, } }, 147 /* timedia_4079e */ { 1, { { 2, 3 }, } }, 148 /* timedia_4079f */ { 1, { { 2, 3 }, } }, 149 /* timedia_9079a */ { 1, { { 2, 3 }, } }, 150 /* timedia_9079b */ { 1, { { 2, 3 }, } }, 151 /* timedia_9079c */ { 1, { { 2, 3 }, } }, 152 /* wch_ch353_1s1p*/ { 1, { { 1, -1}, } }, 153 /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } }, 154 /* wch_ch382_0s1p*/ { 1, { { 2, -1}, } }, 155 /* wch_ch382_2s1p*/ { 1, { { 2, -1}, } }, 156 /* brainboxes_5s1p */ { 1, { { 3, -1 }, } }, 157 /* sunix_4008a */ { 1, { { 1, 2 }, } }, 158 /* sunix_5069a */ { 1, { { 1, 2 }, } }, 159 /* sunix_5079a */ { 1, { { 1, 2 }, } }, 160 /* sunix_5099a */ { 1, { { 1, 2 }, } }, 161}; 162 163static struct pci_device_id parport_serial_pci_tbl[] = { 164 /* PCI cards */ 165 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, 166 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, 167 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, 168 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, 169 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, 170 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 171 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, 172 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 173 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, 174 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 175 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, 176 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, 177 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 178 0x1000, 0x0020, 0, 0, netmos_9855_2p }, 179 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 180 0x1000, 0x0022, 0, 0, netmos_9855_2p }, 181 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, 182 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, 183 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 184 0xA000, 0x3011, 0, 0, netmos_9900 }, 185 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 186 0xA000, 0x3012, 0, 0, netmos_9900 }, 187 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 188 0xA000, 0x3020, 0, 0, netmos_9900_2p }, 189 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912, 190 0xA000, 0x2000, 0, 0, netmos_99xx_1p }, 191 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ 192 { PCI_VENDOR_ID_AFAVLAB, 0x2110, 193 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 194 { PCI_VENDOR_ID_AFAVLAB, 0x2111, 195 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 196 { PCI_VENDOR_ID_AFAVLAB, 0x2112, 197 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, 198 { PCI_VENDOR_ID_AFAVLAB, 0x2140, 199 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 200 { PCI_VENDOR_ID_AFAVLAB, 0x2141, 201 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 202 { PCI_VENDOR_ID_AFAVLAB, 0x2142, 203 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, 204 { PCI_VENDOR_ID_AFAVLAB, 0x2160, 205 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 206 { PCI_VENDOR_ID_AFAVLAB, 0x2161, 207 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 208 { PCI_VENDOR_ID_AFAVLAB, 0x2162, 209 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, 210 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, 211 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 212 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, 213 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 214 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, 215 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, 216 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, 217 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 218 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, 219 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 220 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, 221 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, 222 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, 223 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 224 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, 225 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 226 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, 227 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, 228 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, 229 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 230 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, 231 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 232 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, 233 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, 234 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, 235 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 236 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, 237 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 238 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, 239 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, 240 /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/ 241 { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a }, 242 { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h }, 243 { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h }, 244 { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a }, 245 { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a }, 246 { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a }, 247 { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a }, 248 { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u }, 249 { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a }, 250 { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u }, 251 { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r }, 252 { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s }, 253 { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d }, 254 { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e }, 255 { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f }, 256 { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a }, 257 { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b }, 258 { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c }, 259 260 /* WCH CARDS */ 261 { 0x4348, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, wch_ch353_1s1p}, 262 { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p}, 263 { 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382_0s1p}, 264 { 0x1c00, 0x3250, 0x1c00, 0x3250, 0, 0, wch_ch382_2s1p}, 265 266 /* BrainBoxes PX272/PX306 MIO card */ 267 { PCI_VENDOR_ID_INTASHIELD, 0x4100, 268 PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_5s1p }, 269 270 /* Sunix boards */ 271 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 272 0x0100, 0, 0, sunix_4008a }, 273 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 274 0x0101, 0, 0, sunix_5069a }, 275 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 276 0x0102, 0, 0, sunix_5079a }, 277 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 278 0x0104, 0, 0, sunix_5099a }, 279 280 { 0, } /* terminate list */ 281}; 282MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); 283 284/* 285 * This table describes the serial "geometry" of these boards. Any 286 * quirks for these can be found in drivers/serial/8250_pci.c 287 * 288 * Cards not tested are marked n/t 289 * If you have one of these cards and it works for you, please tell me.. 290 */ 291static struct pciserial_board pci_parport_serial_boards[] = { 292 [titan_110l] = { 293 .flags = FL_BASE1 | FL_BASE_BARS, 294 .num_ports = 1, 295 .base_baud = 921600, 296 .uart_offset = 8, 297 }, 298 [titan_210l] = { 299 .flags = FL_BASE1 | FL_BASE_BARS, 300 .num_ports = 2, 301 .base_baud = 921600, 302 .uart_offset = 8, 303 }, 304 [netmos_9xx5_combo] = { 305 .flags = FL_BASE0 | FL_BASE_BARS, 306 .num_ports = 1, 307 .base_baud = 115200, 308 .uart_offset = 8, 309 }, 310 [netmos_9855] = { 311 .flags = FL_BASE2 | FL_BASE_BARS, 312 .num_ports = 1, 313 .base_baud = 115200, 314 .uart_offset = 8, 315 }, 316 [netmos_9855_2p] = { 317 .flags = FL_BASE4 | FL_BASE_BARS, 318 .num_ports = 1, 319 .base_baud = 115200, 320 .uart_offset = 8, 321 }, 322 [netmos_9900] = { /* n/t */ 323 .flags = FL_BASE0 | FL_BASE_BARS, 324 .num_ports = 1, 325 .base_baud = 115200, 326 .uart_offset = 8, 327 }, 328 [netmos_9900_2p] = { /* parallel only */ /* n/t */ 329 .flags = FL_BASE0, 330 .num_ports = 0, 331 .base_baud = 115200, 332 .uart_offset = 8, 333 }, 334 [netmos_99xx_1p] = { /* parallel only */ /* n/t */ 335 .flags = FL_BASE0, 336 .num_ports = 0, 337 .base_baud = 115200, 338 .uart_offset = 8, 339 }, 340 [avlab_1s1p] = { /* n/t */ 341 .flags = FL_BASE0 | FL_BASE_BARS, 342 .num_ports = 1, 343 .base_baud = 115200, 344 .uart_offset = 8, 345 }, 346 [avlab_1s2p] = { /* n/t */ 347 .flags = FL_BASE0 | FL_BASE_BARS, 348 .num_ports = 1, 349 .base_baud = 115200, 350 .uart_offset = 8, 351 }, 352 [avlab_2s1p] = { /* n/t */ 353 .flags = FL_BASE0 | FL_BASE_BARS, 354 .num_ports = 2, 355 .base_baud = 115200, 356 .uart_offset = 8, 357 }, 358 [siig_1s1p_10x] = { 359 .flags = FL_BASE2, 360 .num_ports = 1, 361 .base_baud = 460800, 362 .uart_offset = 8, 363 }, 364 [siig_2s1p_10x] = { 365 .flags = FL_BASE2, 366 .num_ports = 1, 367 .base_baud = 921600, 368 .uart_offset = 8, 369 }, 370 [siig_2p1s_20x] = { 371 .flags = FL_BASE0, 372 .num_ports = 1, 373 .base_baud = 921600, 374 .uart_offset = 8, 375 }, 376 [siig_1s1p_20x] = { 377 .flags = FL_BASE0, 378 .num_ports = 1, 379 .base_baud = 921600, 380 .uart_offset = 8, 381 }, 382 [siig_2s1p_20x] = { 383 .flags = FL_BASE0, 384 .num_ports = 1, 385 .base_baud = 921600, 386 .uart_offset = 8, 387 }, 388 [timedia_4078a] = { 389 .flags = FL_BASE0|FL_BASE_BARS, 390 .num_ports = 1, 391 .base_baud = 921600, 392 .uart_offset = 8, 393 }, 394 [timedia_4079h] = { 395 .flags = FL_BASE0|FL_BASE_BARS, 396 .num_ports = 1, 397 .base_baud = 921600, 398 .uart_offset = 8, 399 }, 400 [timedia_4085h] = { 401 .flags = FL_BASE0|FL_BASE_BARS, 402 .num_ports = 1, 403 .base_baud = 921600, 404 .uart_offset = 8, 405 }, 406 [timedia_4088a] = { 407 .flags = FL_BASE0|FL_BASE_BARS, 408 .num_ports = 1, 409 .base_baud = 921600, 410 .uart_offset = 8, 411 }, 412 [timedia_4089a] = { 413 .flags = FL_BASE0|FL_BASE_BARS, 414 .num_ports = 1, 415 .base_baud = 921600, 416 .uart_offset = 8, 417 }, 418 [timedia_4095a] = { 419 .flags = FL_BASE0|FL_BASE_BARS, 420 .num_ports = 1, 421 .base_baud = 921600, 422 .uart_offset = 8, 423 }, 424 [timedia_4096a] = { 425 .flags = FL_BASE0|FL_BASE_BARS, 426 .num_ports = 1, 427 .base_baud = 921600, 428 .uart_offset = 8, 429 }, 430 [timedia_4078u] = { 431 .flags = FL_BASE0|FL_BASE_BARS, 432 .num_ports = 1, 433 .base_baud = 921600, 434 .uart_offset = 8, 435 }, 436 [timedia_4079a] = { 437 .flags = FL_BASE0|FL_BASE_BARS, 438 .num_ports = 1, 439 .base_baud = 921600, 440 .uart_offset = 8, 441 }, 442 [timedia_4085u] = { 443 .flags = FL_BASE0|FL_BASE_BARS, 444 .num_ports = 1, 445 .base_baud = 921600, 446 .uart_offset = 8, 447 }, 448 [timedia_4079r] = { 449 .flags = FL_BASE0|FL_BASE_BARS, 450 .num_ports = 1, 451 .base_baud = 921600, 452 .uart_offset = 8, 453 }, 454 [timedia_4079s] = { 455 .flags = FL_BASE0|FL_BASE_BARS, 456 .num_ports = 1, 457 .base_baud = 921600, 458 .uart_offset = 8, 459 }, 460 [timedia_4079d] = { 461 .flags = FL_BASE0|FL_BASE_BARS, 462 .num_ports = 1, 463 .base_baud = 921600, 464 .uart_offset = 8, 465 }, 466 [timedia_4079e] = { 467 .flags = FL_BASE0|FL_BASE_BARS, 468 .num_ports = 1, 469 .base_baud = 921600, 470 .uart_offset = 8, 471 }, 472 [timedia_4079f] = { 473 .flags = FL_BASE0|FL_BASE_BARS, 474 .num_ports = 1, 475 .base_baud = 921600, 476 .uart_offset = 8, 477 }, 478 [timedia_9079a] = { 479 .flags = FL_BASE0|FL_BASE_BARS, 480 .num_ports = 1, 481 .base_baud = 921600, 482 .uart_offset = 8, 483 }, 484 [timedia_9079b] = { 485 .flags = FL_BASE0|FL_BASE_BARS, 486 .num_ports = 1, 487 .base_baud = 921600, 488 .uart_offset = 8, 489 }, 490 [timedia_9079c] = { 491 .flags = FL_BASE0|FL_BASE_BARS, 492 .num_ports = 1, 493 .base_baud = 921600, 494 .uart_offset = 8, 495 }, 496 [wch_ch353_1s1p] = { 497 .flags = FL_BASE0|FL_BASE_BARS, 498 .num_ports = 1, 499 .base_baud = 115200, 500 .uart_offset = 8, 501 }, 502 [wch_ch353_2s1p] = { 503 .flags = FL_BASE0|FL_BASE_BARS, 504 .num_ports = 2, 505 .base_baud = 115200, 506 .uart_offset = 8, 507 }, 508 [wch_ch382_0s1p] = { 509 .flags = FL_BASE0, 510 .num_ports = 0, 511 .base_baud = 115200, 512 .uart_offset = 8, 513 }, 514 [wch_ch382_2s1p] = { 515 .flags = FL_BASE0, 516 .num_ports = 2, 517 .base_baud = 115200, 518 .uart_offset = 8, 519 .first_offset = 0xC0, 520 }, 521 [brainboxes_5s1p] = { 522 .flags = FL_BASE2, 523 .num_ports = 5, 524 .base_baud = 921600, 525 .uart_offset = 8, 526 }, 527 [sunix_4008a] = { 528 .num_ports = 0, 529 }, 530 [sunix_5069a] = { 531 .num_ports = 1, 532 .base_baud = 921600, 533 .uart_offset = 0x8, 534 }, 535 [sunix_5079a] = { 536 .num_ports = 2, 537 .base_baud = 921600, 538 .uart_offset = 0x8, 539 }, 540 [sunix_5099a] = { 541 .num_ports = 4, 542 .base_baud = 921600, 543 .uart_offset = 0x8, 544 }, 545}; 546 547struct parport_serial_private { 548 struct serial_private *serial; 549 int num_par; 550 struct parport *port[PARPORT_MAX]; 551 struct parport_pc_pci par; 552}; 553 554/* Register the serial port(s) of a PCI card. */ 555static int serial_register(struct pci_dev *dev, const struct pci_device_id *id) 556{ 557 struct parport_serial_private *priv = pci_get_drvdata (dev); 558 struct pciserial_board *board; 559 struct serial_private *serial; 560 561 board = &pci_parport_serial_boards[id->driver_data]; 562 if (board->num_ports == 0) 563 return 0; 564 565 serial = pciserial_init_ports(dev, board); 566 if (IS_ERR(serial)) 567 return PTR_ERR(serial); 568 569 priv->serial = serial; 570 return 0; 571} 572 573/* Register the parallel port(s) of a PCI card. */ 574static int parport_register(struct pci_dev *dev, const struct pci_device_id *id) 575{ 576 struct parport_pc_pci *card; 577 struct parport_serial_private *priv = pci_get_drvdata (dev); 578 int n, success = 0; 579 580 priv->par = cards[id->driver_data]; 581 card = &priv->par; 582 if (card->preinit_hook && 583 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) 584 return -ENODEV; 585 586 for (n = 0; n < card->numports; n++) { 587 struct parport *port; 588 int lo = card->addr[n].lo; 589 int hi = card->addr[n].hi; 590 unsigned long io_lo, io_hi; 591 int irq; 592 593 if (priv->num_par == ARRAY_SIZE (priv->port)) { 594 dev_warn(&dev->dev, 595 "only %zu parallel ports supported (%d reported)\n", 596 ARRAY_SIZE(priv->port), card->numports); 597 break; 598 } 599 600 io_lo = pci_resource_start (dev, lo); 601 io_hi = 0; 602 if ((hi >= 0) && (hi <= 6)) 603 io_hi = pci_resource_start (dev, hi); 604 else if (hi > 6) 605 io_lo += hi; /* Reinterpret the meaning of 606 "hi" as an offset (see SYBA 607 def.) */ 608 /* TODO: test if sharing interrupts works */ 609 irq = pci_irq_vector(dev, 0); 610 if (irq < 0) 611 return irq; 612 if (irq == 0) 613 irq = PARPORT_IRQ_NONE; 614 if (irq == PARPORT_IRQ_NONE) { 615 dev_dbg(&dev->dev, 616 "PCI parallel port detected: I/O at %#lx(%#lx)\n", 617 io_lo, io_hi); 618 } else { 619 dev_dbg(&dev->dev, 620 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n", 621 io_lo, io_hi, irq); 622 } 623 port = parport_pc_probe_port (io_lo, io_hi, irq, 624 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED); 625 if (port) { 626 priv->port[priv->num_par++] = port; 627 success = 1; 628 } 629 } 630 631 if (card->postinit_hook) 632 card->postinit_hook (dev, card, !success); 633 634 return 0; 635} 636 637static int parport_serial_pci_probe(struct pci_dev *dev, 638 const struct pci_device_id *id) 639{ 640 struct parport_serial_private *priv; 641 int err; 642 643 priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL); 644 if (!priv) 645 return -ENOMEM; 646 647 pci_set_drvdata (dev, priv); 648 649 err = pcim_enable_device(dev); 650 if (err) 651 return err; 652 653 err = parport_register(dev, id); 654 if (err) 655 return err; 656 657 err = serial_register(dev, id); 658 if (err) { 659 int i; 660 for (i = 0; i < priv->num_par; i++) 661 parport_pc_unregister_port (priv->port[i]); 662 return err; 663 } 664 665 return 0; 666} 667 668static void parport_serial_pci_remove(struct pci_dev *dev) 669{ 670 struct parport_serial_private *priv = pci_get_drvdata (dev); 671 int i; 672 673 // Serial ports 674 if (priv->serial) 675 pciserial_remove_ports(priv->serial); 676 677 // Parallel ports 678 for (i = 0; i < priv->num_par; i++) 679 parport_pc_unregister_port (priv->port[i]); 680 681 return; 682} 683 684static int __maybe_unused parport_serial_pci_suspend(struct device *dev) 685{ 686 struct parport_serial_private *priv = dev_get_drvdata(dev); 687 688 if (priv->serial) 689 pciserial_suspend_ports(priv->serial); 690 691 /* FIXME: What about parport? */ 692 return 0; 693} 694 695static int __maybe_unused parport_serial_pci_resume(struct device *dev) 696{ 697 struct parport_serial_private *priv = dev_get_drvdata(dev); 698 699 if (priv->serial) 700 pciserial_resume_ports(priv->serial); 701 702 /* FIXME: What about parport? */ 703 return 0; 704} 705 706static SIMPLE_DEV_PM_OPS(parport_serial_pm_ops, 707 parport_serial_pci_suspend, parport_serial_pci_resume); 708 709static struct pci_driver parport_serial_pci_driver = { 710 .name = "parport_serial", 711 .id_table = parport_serial_pci_tbl, 712 .probe = parport_serial_pci_probe, 713 .remove = parport_serial_pci_remove, 714 .driver = { 715 .pm = &parport_serial_pm_ops, 716 }, 717}; 718module_pci_driver(parport_serial_pci_driver); 719 720MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); 721MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); 722MODULE_LICENSE("GPL");