tty: jsm cleanups
[deliverable/linux.git] / drivers / parport / parport_serial.c
CommitLineData
1da177e4
LT
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>
1da177e4
LT
26#include <linux/8250_pci.h>
27
1da177e4
LT
28enum parport_pc_pci_cards {
29 titan_110l = 0,
30 titan_210l,
31 netmos_9xx5_combo,
44e58a6a 32 netmos_9855,
50db9d8e 33 netmos_9855_2p,
1da177e4 34 avlab_1s1p,
1da177e4 35 avlab_1s2p,
1da177e4 36 avlab_2s1p,
1da177e4
LT
37 siig_1s1p_10x,
38 siig_2s1p_10x,
39 siig_2p1s_20x,
40 siig_1s1p_20x,
41 siig_2s1p_20x,
42};
43
44/* each element directly indexed from enum list, above */
45struct parport_pc_pci {
46 int numports;
47 struct { /* BAR (base address registers) numbers in the config
48 space header */
49 int lo;
50 int hi; /* -1 if not there, >6 for offset-method (max
51 BAR is 6) */
52 } addr[4];
53
54 /* If set, this is called immediately after pci_enable_device.
55 * If it returns non-zero, no probing will take place and the
56 * ports will not be used. */
57 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
58 int autoirq, int autodma);
59
60 /* If set, this is called after probing for ports. If 'failed'
61 * is non-zero we couldn't use any of the ports. */
62 void (*postinit_hook) (struct pci_dev *pdev,
63 struct parport_pc_pci *card, int failed);
64};
65
50db9d8e 66static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, int autoirq, int autodma)
1da177e4 67{
3abdbf90
JS
68 /* the rule described below doesn't hold for this device */
69 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
70 dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
71 dev->subsystem_device == 0x0299)
72 return -ENODEV;
1da177e4
LT
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 */
50db9d8e
PDM
78 par->numports = (dev->subsystem_device & 0xf0) >> 4;
79 if (par->numports > ARRAY_SIZE(par->addr))
80 par->numports = ARRAY_SIZE(par->addr);
81 /*
82 * This function is currently only called for cards with up to
83 * one parallel port.
84 * Parallel port BAR is either before or after serial ports BARS;
85 * hence, lo should be either 0 or equal to the number of serial ports.
86 */
87 if (par->addr[0].lo != 0)
88 par->addr[0].lo = dev->subsystem_device & 0xf;
1da177e4
LT
89 return 0;
90}
91
92static struct parport_pc_pci cards[] __devinitdata = {
93 /* titan_110l */ { 1, { { 3, -1 }, } },
94 /* titan_210l */ { 1, { { 3, -1 }, } },
95 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init },
50db9d8e
PDM
96 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
97 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
1da177e4 98 /* avlab_1s1p */ { 1, { { 1, 2}, } },
1da177e4 99 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
1da177e4 100 /* avlab_2s1p */ { 1, { { 2, 3}, } },
1da177e4
LT
101 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
102 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
103 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
104 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
105 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
106};
107
108static struct pci_device_id parport_serial_pci_tbl[] = {
109 /* PCI cards */
110 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
111 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
112 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
114 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
116 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
118 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
1da177e4
LT
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
120 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
50db9d8e
PDM
122 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
123 0x1000, 0x0020, 0, 0, netmos_9855_2p },
124 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
125 0x1000, 0x0022, 0, 0, netmos_9855_2p },
1da177e4 126 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
44e58a6a 127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
1da177e4 128 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
91bca4b3
RK
129 { PCI_VENDOR_ID_AFAVLAB, 0x2110,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
131 { PCI_VENDOR_ID_AFAVLAB, 0x2111,
132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
133 { PCI_VENDOR_ID_AFAVLAB, 0x2112,
134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
135 { PCI_VENDOR_ID_AFAVLAB, 0x2140,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
137 { PCI_VENDOR_ID_AFAVLAB, 0x2141,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
139 { PCI_VENDOR_ID_AFAVLAB, 0x2142,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
141 { PCI_VENDOR_ID_AFAVLAB, 0x2160,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
143 { PCI_VENDOR_ID_AFAVLAB, 0x2161,
144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
145 { PCI_VENDOR_ID_AFAVLAB, 0x2162,
146 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
1da177e4
LT
147 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
148 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
149 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
150 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
151 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
152 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
153 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
154 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
155 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
156 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
157 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
158 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
159 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
160 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
161 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
162 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
163 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
164 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
165 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
166 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
167 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
168 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
169 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
170 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
171 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
172 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
173 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
174 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
175 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
176 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
177
178 { 0, } /* terminate list */
179};
180MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
181
05caac58
RK
182/*
183 * This table describes the serial "geometry" of these boards. Any
184 * quirks for these can be found in drivers/serial/8250_pci.c
185 *
186 * Cards not tested are marked n/t
187 * If you have one of these cards and it works for you, please tell me..
188 */
189static struct pciserial_board pci_parport_serial_boards[] __devinitdata = {
190 [titan_110l] = {
191 .flags = FL_BASE1 | FL_BASE_BARS,
192 .num_ports = 1,
193 .base_baud = 921600,
194 .uart_offset = 8,
195 },
196 [titan_210l] = {
197 .flags = FL_BASE1 | FL_BASE_BARS,
198 .num_ports = 2,
199 .base_baud = 921600,
200 .uart_offset = 8,
201 },
202 [netmos_9xx5_combo] = {
203 .flags = FL_BASE0 | FL_BASE_BARS,
204 .num_ports = 1,
205 .base_baud = 115200,
206 .uart_offset = 8,
207 },
208 [netmos_9855] = {
50db9d8e
PDM
209 .flags = FL_BASE2 | FL_BASE_BARS,
210 .num_ports = 1,
211 .base_baud = 115200,
212 .uart_offset = 8,
213 },
214 [netmos_9855_2p] = {
c01106e5 215 .flags = FL_BASE4 | FL_BASE_BARS,
05caac58
RK
216 .num_ports = 1,
217 .base_baud = 115200,
218 .uart_offset = 8,
219 },
220 [avlab_1s1p] = { /* n/t */
221 .flags = FL_BASE0 | FL_BASE_BARS,
222 .num_ports = 1,
223 .base_baud = 115200,
224 .uart_offset = 8,
225 },
05caac58
RK
226 [avlab_1s2p] = { /* n/t */
227 .flags = FL_BASE0 | FL_BASE_BARS,
228 .num_ports = 1,
229 .base_baud = 115200,
230 .uart_offset = 8,
231 },
05caac58
RK
232 [avlab_2s1p] = { /* n/t */
233 .flags = FL_BASE0 | FL_BASE_BARS,
234 .num_ports = 2,
235 .base_baud = 115200,
236 .uart_offset = 8,
237 },
05caac58
RK
238 [siig_1s1p_10x] = {
239 .flags = FL_BASE2,
240 .num_ports = 1,
241 .base_baud = 460800,
242 .uart_offset = 8,
243 },
244 [siig_2s1p_10x] = {
245 .flags = FL_BASE2,
246 .num_ports = 1,
247 .base_baud = 921600,
248 .uart_offset = 8,
249 },
250 [siig_2p1s_20x] = {
251 .flags = FL_BASE0,
252 .num_ports = 1,
253 .base_baud = 921600,
254 .uart_offset = 8,
255 },
256 [siig_1s1p_20x] = {
257 .flags = FL_BASE0,
258 .num_ports = 1,
259 .base_baud = 921600,
260 .uart_offset = 8,
261 },
262 [siig_2s1p_20x] = {
263 .flags = FL_BASE0,
264 .num_ports = 1,
265 .base_baud = 921600,
266 .uart_offset = 8,
267 },
1da177e4
LT
268};
269
270struct parport_serial_private {
05caac58 271 struct serial_private *serial;
1da177e4
LT
272 int num_par;
273 struct parport *port[PARPORT_MAX];
274 struct parport_pc_pci par;
275};
276
1da177e4
LT
277/* Register the serial port(s) of a PCI card. */
278static int __devinit serial_register (struct pci_dev *dev,
279 const struct pci_device_id *id)
280{
1da177e4 281 struct parport_serial_private *priv = pci_get_drvdata (dev);
05caac58
RK
282 struct pciserial_board *board;
283 struct serial_private *serial;
1da177e4 284
05caac58
RK
285 board = &pci_parport_serial_boards[id->driver_data];
286 serial = pciserial_init_ports(dev, board);
1da177e4 287
05caac58
RK
288 if (IS_ERR(serial))
289 return PTR_ERR(serial);
1da177e4 290
05caac58
RK
291 priv->serial = serial;
292 return 0;
1da177e4
LT
293}
294
295/* Register the parallel port(s) of a PCI card. */
296static int __devinit parport_register (struct pci_dev *dev,
297 const struct pci_device_id *id)
298{
299 struct parport_pc_pci *card;
300 struct parport_serial_private *priv = pci_get_drvdata (dev);
7a171cdc 301 int n, success = 0;
1da177e4
LT
302
303 priv->par = cards[id->driver_data];
304 card = &priv->par;
305 if (card->preinit_hook &&
306 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
307 return -ENODEV;
308
309 for (n = 0; n < card->numports; n++) {
310 struct parport *port;
311 int lo = card->addr[n].lo;
312 int hi = card->addr[n].hi;
313 unsigned long io_lo, io_hi;
314
315 if (priv->num_par == ARRAY_SIZE (priv->port)) {
316 printk (KERN_WARNING
f4f64e9d 317 "parport_serial: %s: only %zu parallel ports "
1da177e4 318 "supported (%d reported)\n", pci_name (dev),
f4f64e9d 319 ARRAY_SIZE(priv->port), card->numports);
1da177e4
LT
320 break;
321 }
322
323 io_lo = pci_resource_start (dev, lo);
324 io_hi = 0;
325 if ((hi >= 0) && (hi <= 6))
326 io_hi = pci_resource_start (dev, hi);
327 else if (hi > 6)
328 io_lo += hi; /* Reinterpret the meaning of
329 "hi" as an offset (see SYBA
330 def.) */
331 /* TODO: test if sharing interrupts works */
7a171cdc
RK
332 dev_dbg(&dev->dev, "PCI parallel port detected: I/O at "
333 "%#lx(%#lx)\n", io_lo, io_hi);
1da177e4 334 port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE,
c15a3837 335 PARPORT_DMA_NONE, &dev->dev);
1da177e4
LT
336 if (port) {
337 priv->port[priv->num_par++] = port;
338 success = 1;
339 }
340 }
341
342 if (card->postinit_hook)
343 card->postinit_hook (dev, card, !success);
344
7a171cdc 345 return 0;
1da177e4
LT
346}
347
348static int __devinit parport_serial_pci_probe (struct pci_dev *dev,
349 const struct pci_device_id *id)
350{
351 struct parport_serial_private *priv;
352 int err;
353
dd00cc48 354 priv = kzalloc (sizeof *priv, GFP_KERNEL);
1da177e4
LT
355 if (!priv)
356 return -ENOMEM;
1da177e4
LT
357 pci_set_drvdata (dev, priv);
358
359 err = pci_enable_device (dev);
360 if (err) {
361 pci_set_drvdata (dev, NULL);
362 kfree (priv);
363 return err;
364 }
365
366 if (parport_register (dev, id)) {
367 pci_set_drvdata (dev, NULL);
368 kfree (priv);
369 return -ENODEV;
370 }
371
372 if (serial_register (dev, id)) {
373 int i;
374 for (i = 0; i < priv->num_par; i++)
375 parport_pc_unregister_port (priv->port[i]);
376 pci_set_drvdata (dev, NULL);
377 kfree (priv);
378 return -ENODEV;
379 }
380
381 return 0;
382}
383
384static void __devexit parport_serial_pci_remove (struct pci_dev *dev)
385{
386 struct parport_serial_private *priv = pci_get_drvdata (dev);
387 int i;
388
05caac58
RK
389 pci_set_drvdata(dev, NULL);
390
1da177e4 391 // Serial ports
05caac58
RK
392 if (priv->serial)
393 pciserial_remove_ports(priv->serial);
1da177e4 394
1da177e4
LT
395 // Parallel ports
396 for (i = 0; i < priv->num_par; i++)
397 parport_pc_unregister_port (priv->port[i]);
398
399 kfree (priv);
400 return;
401}
402
7dd7d691 403#ifdef CONFIG_PM
05caac58
RK
404static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
405{
406 struct parport_serial_private *priv = pci_get_drvdata(dev);
407
408 if (priv->serial)
409 pciserial_suspend_ports(priv->serial);
410
411 /* FIXME: What about parport? */
412
413 pci_save_state(dev);
414 pci_set_power_state(dev, pci_choose_state(dev, state));
415 return 0;
416}
417
418static int parport_serial_pci_resume(struct pci_dev *dev)
419{
420 struct parport_serial_private *priv = pci_get_drvdata(dev);
10f8a598 421 int err;
05caac58
RK
422
423 pci_set_power_state(dev, PCI_D0);
424 pci_restore_state(dev);
425
426 /*
427 * The device may have been disabled. Re-enable it.
428 */
10f8a598
RD
429 err = pci_enable_device(dev);
430 if (err) {
431 printk(KERN_ERR "parport_serial: %s: error enabling "
432 "device for resume (%d)\n", pci_name(dev), err);
433 return err;
434 }
05caac58
RK
435
436 if (priv->serial)
437 pciserial_resume_ports(priv->serial);
438
439 /* FIXME: What about parport? */
440
441 return 0;
442}
7dd7d691 443#endif
05caac58 444
1da177e4
LT
445static struct pci_driver parport_serial_pci_driver = {
446 .name = "parport_serial",
447 .id_table = parport_serial_pci_tbl,
448 .probe = parport_serial_pci_probe,
449 .remove = __devexit_p(parport_serial_pci_remove),
7dd7d691 450#ifdef CONFIG_PM
05caac58
RK
451 .suspend = parport_serial_pci_suspend,
452 .resume = parport_serial_pci_resume,
7dd7d691 453#endif
1da177e4
LT
454};
455
456
457static int __init parport_serial_init (void)
458{
93b47684 459 return pci_register_driver (&parport_serial_pci_driver);
1da177e4
LT
460}
461
462static void __exit parport_serial_exit (void)
463{
464 pci_unregister_driver (&parport_serial_pci_driver);
465 return;
466}
467
468MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
469MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
470MODULE_LICENSE("GPL");
471
472module_init(parport_serial_init);
473module_exit(parport_serial_exit);
This page took 0.446939 seconds and 5 git commands to generate.