2 * Support for common PCI multi-I/O cards (which is most of them)
4 * Copyright (C) 2001 Tim Waugh <twaugh@redhat.com>
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.
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
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>
28 enum parport_pc_pci_cards {
44 /* each element directly indexed from enum list, above */
45 struct parport_pc_pci {
47 struct { /* BAR (base address registers) numbers in the config
50 int hi; /* -1 if not there, >6 for offset-method (max
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);
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);
66 static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, int autoirq, int autodma)
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)
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.
78 par->numports = (dev->subsystem_device & 0xf0) >> 4;
79 if (par->numports > ARRAY_SIZE(par->addr))
80 par->numports = ARRAY_SIZE(par->addr);
82 * This function is currently only called for cards with up to
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.
87 if (par->addr[0].lo != 0)
88 par->addr[0].lo = dev->subsystem_device & 0xf;
92 static 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 },
96 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
97 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
98 /* avlab_1s1p */ { 1, { { 1, 2}, } },
99 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
100 /* avlab_2s1p */ { 1, { { 2, 3}, } },
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 }, } },
108 static struct pci_device_id parport_serial_pci_tbl[] = {
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,
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 },
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 },
126 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
128 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
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 },
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 },
178 { 0, } /* terminate list */
180 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
183 * This table describes the serial "geometry" of these boards. Any
184 * quirks for these can be found in drivers/serial/8250_pci.c
186 * Cards not tested are marked n/t
187 * If you have one of these cards and it works for you, please tell me..
189 static struct pciserial_board pci_parport_serial_boards[] __devinitdata = {
191 .flags = FL_BASE1 | FL_BASE_BARS,
197 .flags = FL_BASE1 | FL_BASE_BARS,
202 [netmos_9xx5_combo] = {
203 .flags = FL_BASE0 | FL_BASE_BARS,
209 .flags = FL_BASE2 | FL_BASE_BARS,
215 .flags = FL_BASE4 | FL_BASE_BARS,
220 [avlab_1s1p] = { /* n/t */
221 .flags = FL_BASE0 | FL_BASE_BARS,
226 [avlab_1s2p] = { /* n/t */
227 .flags = FL_BASE0 | FL_BASE_BARS,
232 [avlab_2s1p] = { /* n/t */
233 .flags = FL_BASE0 | FL_BASE_BARS,
270 struct parport_serial_private {
271 struct serial_private *serial;
273 struct parport *port[PARPORT_MAX];
274 struct parport_pc_pci par;
277 /* Register the serial port(s) of a PCI card. */
278 static int __devinit serial_register (struct pci_dev *dev,
279 const struct pci_device_id *id)
281 struct parport_serial_private *priv = pci_get_drvdata (dev);
282 struct pciserial_board *board;
283 struct serial_private *serial;
285 board = &pci_parport_serial_boards[id->driver_data];
286 serial = pciserial_init_ports(dev, board);
289 return PTR_ERR(serial);
291 priv->serial = serial;
295 /* Register the parallel port(s) of a PCI card. */
296 static int __devinit parport_register (struct pci_dev *dev,
297 const struct pci_device_id *id)
299 struct parport_pc_pci *card;
300 struct parport_serial_private *priv = pci_get_drvdata (dev);
303 priv->par = cards[id->driver_data];
305 if (card->preinit_hook &&
306 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
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;
315 if (priv->num_par == ARRAY_SIZE (priv->port)) {
317 "parport_serial: %s: only %zu parallel ports "
318 "supported (%d reported)\n", pci_name (dev),
319 ARRAY_SIZE(priv->port), card->numports);
323 io_lo = pci_resource_start (dev, lo);
325 if ((hi >= 0) && (hi <= 6))
326 io_hi = pci_resource_start (dev, hi);
328 io_lo += hi; /* Reinterpret the meaning of
329 "hi" as an offset (see SYBA
331 /* TODO: test if sharing interrupts works */
332 dev_dbg(&dev->dev, "PCI parallel port detected: I/O at "
333 "%#lx(%#lx)\n", io_lo, io_hi);
334 port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE,
335 PARPORT_DMA_NONE, &dev->dev);
337 priv->port[priv->num_par++] = port;
342 if (card->postinit_hook)
343 card->postinit_hook (dev, card, !success);
348 static int __devinit parport_serial_pci_probe (struct pci_dev *dev,
349 const struct pci_device_id *id)
351 struct parport_serial_private *priv;
354 priv = kzalloc (sizeof *priv, GFP_KERNEL);
357 pci_set_drvdata (dev, priv);
359 err = pci_enable_device (dev);
361 pci_set_drvdata (dev, NULL);
366 if (parport_register (dev, id)) {
367 pci_set_drvdata (dev, NULL);
372 if (serial_register (dev, id)) {
374 for (i = 0; i < priv->num_par; i++)
375 parport_pc_unregister_port (priv->port[i]);
376 pci_set_drvdata (dev, NULL);
384 static void __devexit parport_serial_pci_remove (struct pci_dev *dev)
386 struct parport_serial_private *priv = pci_get_drvdata (dev);
389 pci_set_drvdata(dev, NULL);
393 pciserial_remove_ports(priv->serial);
396 for (i = 0; i < priv->num_par; i++)
397 parport_pc_unregister_port (priv->port[i]);
404 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
406 struct parport_serial_private *priv = pci_get_drvdata(dev);
409 pciserial_suspend_ports(priv->serial);
411 /* FIXME: What about parport? */
414 pci_set_power_state(dev, pci_choose_state(dev, state));
418 static int parport_serial_pci_resume(struct pci_dev *dev)
420 struct parport_serial_private *priv = pci_get_drvdata(dev);
423 pci_set_power_state(dev, PCI_D0);
424 pci_restore_state(dev);
427 * The device may have been disabled. Re-enable it.
429 err = pci_enable_device(dev);
431 printk(KERN_ERR "parport_serial: %s: error enabling "
432 "device for resume (%d)\n", pci_name(dev), err);
437 pciserial_resume_ports(priv->serial);
439 /* FIXME: What about parport? */
445 static 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),
451 .suspend = parport_serial_pci_suspend,
452 .resume = parport_serial_pci_resume,
457 static int __init parport_serial_init (void)
459 return pci_register_driver (&parport_serial_pci_driver);
462 static void __exit parport_serial_exit (void)
464 pci_unregister_driver (&parport_serial_pci_driver);
468 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
469 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
470 MODULE_LICENSE("GPL");
472 module_init(parport_serial_init);
473 module_exit(parport_serial_exit);