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/interrupt.h>
25 #include <linux/parport.h>
26 #include <linux/parport_pc.h>
27 #include <linux/8250_pci.h>
29 enum parport_pc_pci_cards {
45 /* each element directly indexed from enum list, above */
46 struct parport_pc_pci {
48 struct { /* BAR (base address registers) numbers in the config
51 int hi; /* -1 if not there, >6 for offset-method (max
55 /* If set, this is called immediately after pci_enable_device.
56 * If it returns non-zero, no probing will take place and the
57 * ports will not be used. */
58 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
59 int autoirq, int autodma);
61 /* If set, this is called after probing for ports. If 'failed'
62 * is non-zero we couldn't use any of the ports. */
63 void (*postinit_hook) (struct pci_dev *pdev,
64 struct parport_pc_pci *card, int failed);
67 static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, int autoirq, int autodma)
69 /* the rule described below doesn't hold for this device */
70 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
71 dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
72 dev->subsystem_device == 0x0299)
75 * Netmos uses the subdevice ID to indicate the number of parallel
76 * and serial ports. The form is 0x00PS, where <P> is the number of
77 * parallel ports and <S> is the number of serial ports.
79 par->numports = (dev->subsystem_device & 0xf0) >> 4;
80 if (par->numports > ARRAY_SIZE(par->addr))
81 par->numports = ARRAY_SIZE(par->addr);
83 * This function is currently only called for cards with up to
85 * Parallel port BAR is either before or after serial ports BARS;
86 * hence, lo should be either 0 or equal to the number of serial ports.
88 if (par->addr[0].lo != 0)
89 par->addr[0].lo = dev->subsystem_device & 0xf;
93 static struct parport_pc_pci cards[] __devinitdata = {
94 /* titan_110l */ { 1, { { 3, -1 }, } },
95 /* titan_210l */ { 1, { { 3, -1 }, } },
96 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init },
97 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
98 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
99 /* avlab_1s1p */ { 1, { { 1, 2}, } },
100 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
101 /* avlab_2s1p */ { 1, { { 2, 3}, } },
102 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
103 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
104 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
105 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
106 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
109 static struct pci_device_id parport_serial_pci_tbl[] = {
111 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
112 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
113 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
114 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
115 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
117 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
119 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
121 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
123 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
124 0x1000, 0x0020, 0, 0, netmos_9855_2p },
125 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
126 0x1000, 0x0022, 0, 0, netmos_9855_2p },
127 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
129 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
130 { PCI_VENDOR_ID_AFAVLAB, 0x2110,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
132 { PCI_VENDOR_ID_AFAVLAB, 0x2111,
133 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
134 { PCI_VENDOR_ID_AFAVLAB, 0x2112,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
136 { PCI_VENDOR_ID_AFAVLAB, 0x2140,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
138 { PCI_VENDOR_ID_AFAVLAB, 0x2141,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
140 { PCI_VENDOR_ID_AFAVLAB, 0x2142,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
142 { PCI_VENDOR_ID_AFAVLAB, 0x2160,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
144 { PCI_VENDOR_ID_AFAVLAB, 0x2161,
145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
146 { PCI_VENDOR_ID_AFAVLAB, 0x2162,
147 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
148 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
149 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
150 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
151 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
152 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
153 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
154 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
155 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
156 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
157 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
158 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
159 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
160 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
161 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
162 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
163 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
164 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
165 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
166 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
167 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
168 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
169 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
170 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
171 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
172 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
173 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
174 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
175 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
176 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
177 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
179 { 0, } /* terminate list */
181 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
184 * This table describes the serial "geometry" of these boards. Any
185 * quirks for these can be found in drivers/serial/8250_pci.c
187 * Cards not tested are marked n/t
188 * If you have one of these cards and it works for you, please tell me..
190 static struct pciserial_board pci_parport_serial_boards[] __devinitdata = {
192 .flags = FL_BASE1 | FL_BASE_BARS,
198 .flags = FL_BASE1 | FL_BASE_BARS,
203 [netmos_9xx5_combo] = {
204 .flags = FL_BASE0 | FL_BASE_BARS,
210 .flags = FL_BASE2 | FL_BASE_BARS,
216 .flags = FL_BASE4 | FL_BASE_BARS,
221 [avlab_1s1p] = { /* n/t */
222 .flags = FL_BASE0 | FL_BASE_BARS,
227 [avlab_1s2p] = { /* n/t */
228 .flags = FL_BASE0 | FL_BASE_BARS,
233 [avlab_2s1p] = { /* n/t */
234 .flags = FL_BASE0 | FL_BASE_BARS,
271 struct parport_serial_private {
272 struct serial_private *serial;
274 struct parport *port[PARPORT_MAX];
275 struct parport_pc_pci par;
278 /* Register the serial port(s) of a PCI card. */
279 static int __devinit serial_register (struct pci_dev *dev,
280 const struct pci_device_id *id)
282 struct parport_serial_private *priv = pci_get_drvdata (dev);
283 struct pciserial_board *board;
284 struct serial_private *serial;
286 board = &pci_parport_serial_boards[id->driver_data];
287 serial = pciserial_init_ports(dev, board);
290 return PTR_ERR(serial);
292 priv->serial = serial;
296 /* Register the parallel port(s) of a PCI card. */
297 static int __devinit parport_register (struct pci_dev *dev,
298 const struct pci_device_id *id)
300 struct parport_pc_pci *card;
301 struct parport_serial_private *priv = pci_get_drvdata (dev);
304 priv->par = cards[id->driver_data];
306 if (card->preinit_hook &&
307 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
310 for (n = 0; n < card->numports; n++) {
311 struct parport *port;
312 int lo = card->addr[n].lo;
313 int hi = card->addr[n].hi;
314 unsigned long io_lo, io_hi;
317 if (priv->num_par == ARRAY_SIZE (priv->port)) {
319 "parport_serial: %s: only %zu parallel ports "
320 "supported (%d reported)\n", pci_name (dev),
321 ARRAY_SIZE(priv->port), card->numports);
325 io_lo = pci_resource_start (dev, lo);
327 if ((hi >= 0) && (hi <= 6))
328 io_hi = pci_resource_start (dev, hi);
330 io_lo += hi; /* Reinterpret the meaning of
331 "hi" as an offset (see SYBA
333 /* TODO: test if sharing interrupts works */
335 if (irq == IRQ_NONE) {
337 "PCI parallel port detected: I/O at %#lx(%#lx)\n",
339 irq = PARPORT_IRQ_NONE;
342 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n",
344 irq = PARPORT_IRQ_NONE;
346 port = parport_pc_probe_port (io_lo, io_hi, irq,
347 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED);
349 priv->port[priv->num_par++] = port;
354 if (card->postinit_hook)
355 card->postinit_hook (dev, card, !success);
360 static int __devinit parport_serial_pci_probe (struct pci_dev *dev,
361 const struct pci_device_id *id)
363 struct parport_serial_private *priv;
366 priv = kzalloc (sizeof *priv, GFP_KERNEL);
369 pci_set_drvdata (dev, priv);
371 err = pci_enable_device (dev);
373 pci_set_drvdata (dev, NULL);
378 if (parport_register (dev, id)) {
379 pci_set_drvdata (dev, NULL);
384 if (serial_register (dev, id)) {
386 for (i = 0; i < priv->num_par; i++)
387 parport_pc_unregister_port (priv->port[i]);
388 pci_set_drvdata (dev, NULL);
396 static void __devexit parport_serial_pci_remove (struct pci_dev *dev)
398 struct parport_serial_private *priv = pci_get_drvdata (dev);
401 pci_set_drvdata(dev, NULL);
405 pciserial_remove_ports(priv->serial);
408 for (i = 0; i < priv->num_par; i++)
409 parport_pc_unregister_port (priv->port[i]);
416 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
418 struct parport_serial_private *priv = pci_get_drvdata(dev);
421 pciserial_suspend_ports(priv->serial);
423 /* FIXME: What about parport? */
426 pci_set_power_state(dev, pci_choose_state(dev, state));
430 static int parport_serial_pci_resume(struct pci_dev *dev)
432 struct parport_serial_private *priv = pci_get_drvdata(dev);
435 pci_set_power_state(dev, PCI_D0);
436 pci_restore_state(dev);
439 * The device may have been disabled. Re-enable it.
441 err = pci_enable_device(dev);
443 printk(KERN_ERR "parport_serial: %s: error enabling "
444 "device for resume (%d)\n", pci_name(dev), err);
449 pciserial_resume_ports(priv->serial);
451 /* FIXME: What about parport? */
457 static struct pci_driver parport_serial_pci_driver = {
458 .name = "parport_serial",
459 .id_table = parport_serial_pci_tbl,
460 .probe = parport_serial_pci_probe,
461 .remove = __devexit_p(parport_serial_pci_remove),
463 .suspend = parport_serial_pci_suspend,
464 .resume = parport_serial_pci_resume,
469 static int __init parport_serial_init (void)
471 return pci_register_driver (&parport_serial_pci_driver);
474 static void __exit parport_serial_exit (void)
476 pci_unregister_driver (&parport_serial_pci_driver);
480 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
481 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
482 MODULE_LICENSE("GPL");
484 module_init(parport_serial_init);
485 module_exit(parport_serial_exit);