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/serial.h>
27 #include <linux/serialP.h>
28 #include <linux/list.h>
29 #include <linux/8250_pci.h>
31 #include <asm/serial.h>
33 enum parport_pc_pci_cards {
53 /* each element directly indexed from enum list, above */
54 static struct parport_pc_pci {
56 struct { /* BAR (base address registers) numbers in the config
59 int hi; /* -1 if not there, >6 for offset-method (max
63 /* If set, this is called immediately after pci_enable_device.
64 * If it returns non-zero, no probing will take place and the
65 * ports will not be used. */
66 int (*preinit_hook) (struct pci_dev *pdev, int autoirq, int autodma);
68 /* If set, this is called after probing for ports. If 'failed'
69 * is non-zero we couldn't use any of the ports. */
70 void (*postinit_hook) (struct pci_dev *pdev, int failed);
71 } cards[] __devinitdata = {
72 /* titan_110l */ { 1, { { 3, -1 }, } },
73 /* titan_210l */ { 1, { { 3, -1 }, } },
74 /* avlab_1s1p */ { 1, { { 1, 2}, } },
75 /* avlab_1s1p_650 */ { 1, { { 1, 2}, } },
76 /* avlab_1s1p_850 */ { 1, { { 1, 2}, } },
77 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
78 /* avlab_1s2p_650 */ { 2, { { 1, 2}, { 3, 4 },} },
79 /* avlab_1s2p_850 */ { 2, { { 1, 2}, { 3, 4 },} },
80 /* avlab_2s1p */ { 1, { { 2, 3}, } },
81 /* avlab_2s1p_650 */ { 1, { { 2, 3}, } },
82 /* avlab_2s1p_850 */ { 1, { { 2, 3}, } },
83 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
84 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
85 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
86 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
87 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
90 static struct pci_device_id parport_serial_pci_tbl[] = {
92 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
93 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
94 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
95 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
96 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
97 { 0x14db, 0x2110, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p},
98 { 0x14db, 0x2111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_650},
99 { 0x14db, 0x2112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_850},
100 { 0x14db, 0x2140, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p},
101 { 0x14db, 0x2141, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_650},
102 { 0x14db, 0x2142, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_850},
103 { 0x14db, 0x2160, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p},
104 { 0x14db, 0x2161, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_650},
105 { 0x14db, 0x2162, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_850},
106 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
107 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
108 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
109 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
110 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
111 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
112 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
114 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
116 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
118 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
120 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
122 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
124 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
126 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
128 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
130 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
132 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
133 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
134 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
137 { 0, } /* terminate list */
139 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
141 struct pci_board_no_ids {
147 int (*init_fn)(struct pci_dev *dev, struct pci_board_no_ids *board,
149 int first_uart_offset;
152 static int __devinit siig10x_init_fn(struct pci_dev *dev, struct pci_board_no_ids *board, int enable)
154 return pci_siig10x_fn(dev, enable);
157 static int __devinit siig20x_init_fn(struct pci_dev *dev, struct pci_board_no_ids *board, int enable)
159 return pci_siig20x_fn(dev, enable);
162 static struct pci_board_no_ids pci_boards[] __devinitdata = {
164 * PCI Flags, Number of Ports, Base (Maximum) Baud Rate,
165 * Offset to get to next UART's registers,
166 * Register shift to use for memory-mapped I/O,
167 * Initialization function, first UART offset
170 // Cards not tested are marked n/t
171 // If you have one of these cards and it works for you, please tell me..
173 /* titan_110l */ { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 1, 921600 },
174 /* titan_210l */ { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 2, 921600 },
175 /* avlab_1s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
176 /* avlab_1s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
177 /* avlab_1s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
178 /* avlab_1s2p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
179 /* avlab_1s2p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
180 /* avlab_1s2p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 },
181 /* avlab_2s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
182 /* avlab_2s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
183 /* avlab_2s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 },
184 /* siig_1s1p_10x */ { SPCI_FL_BASE2, 1, 460800, 0, 0, siig10x_init_fn },
185 /* siig_2s1p_10x */ { SPCI_FL_BASE2, 1, 921600, 0, 0, siig10x_init_fn },
186 /* siig_2p1s_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
187 /* siig_1s1p_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
188 /* siig_2s1p_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn },
191 struct parport_serial_private {
194 struct pci_board_no_ids ser;
196 struct parport *port[PARPORT_MAX];
199 static int __devinit get_pci_port (struct pci_dev *dev,
200 struct pci_board_no_ids *board,
201 struct serial_struct *req,
209 base_idx = SPCI_FL_GET_BASE(board->flags);
210 if (board->flags & SPCI_FL_BASE_TABLE)
213 if (board->flags & SPCI_FL_REGION_SZ_CAP) {
214 max_port = pci_resource_len(dev, base_idx) / 8;
219 offset = board->first_uart_offset;
221 /* Timedia/SUNIX uses a mixture of BARs and offsets */
222 /* Ugh, this is ugly as all hell --- TYT */
223 if(dev->vendor == PCI_VENDOR_ID_TIMEDIA ) /* 0x1409 */
227 case 1: base_idx=0; offset=8;
231 case 3: base_idx=1; offset=8;
236 case 7: base_idx=idx-2; /* BAR 5*/
239 port = pci_resource_start(dev, base_idx) + offset;
241 if ((board->flags & SPCI_FL_BASE_TABLE) == 0)
242 port += idx * (board->uart_offset ? board->uart_offset : 8);
244 if (pci_resource_flags (dev, base_idx) & IORESOURCE_IO) {
245 int high_bits_offset = ((sizeof(long)-sizeof(int))*8);
247 if (high_bits_offset)
248 req->port_high = port >> high_bits_offset;
253 req->io_type = SERIAL_IO_MEM;
254 req->iomem_base = ioremap(port, board->uart_offset);
255 req->iomem_reg_shift = board->reg_shift;
257 return req->iomem_base ? 0 : 1;
260 /* Register the serial port(s) of a PCI card. */
261 static int __devinit serial_register (struct pci_dev *dev,
262 const struct pci_device_id *id)
264 struct pci_board_no_ids *board = &pci_boards[id->driver_data];
265 struct parport_serial_private *priv = pci_get_drvdata (dev);
266 struct serial_struct serial_req;
272 if (board->init_fn && ((board->init_fn) (dev, board, 1) != 0))
275 base_baud = board->base_baud;
277 base_baud = BASE_BAUD;
278 memset (&serial_req, 0, sizeof (serial_req));
280 for (k = 0; k < board->num_ports; k++) {
282 serial_req.irq = dev->irq;
283 if (get_pci_port (dev, board, &serial_req, k))
285 serial_req.flags = ASYNC_SKIP_TEST | ASYNC_AUTOPROBE;
286 serial_req.baud_base = base_baud;
287 line = register_serial (&serial_req);
290 "parport_serial: register_serial failed\n");
293 priv->line[priv->num_ser++] = line;
297 return success ? 0 : 1;
300 /* Register the parallel port(s) of a PCI card. */
301 static int __devinit parport_register (struct pci_dev *dev,
302 const struct pci_device_id *id)
304 struct parport_serial_private *priv = pci_get_drvdata (dev);
305 int i = id->driver_data, n;
308 if (cards[i].preinit_hook &&
309 cards[i].preinit_hook (dev, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
312 for (n = 0; n < cards[i].numports; n++) {
313 struct parport *port;
314 int lo = cards[i].addr[n].lo;
315 int hi = cards[i].addr[n].hi;
316 unsigned long io_lo, io_hi;
317 io_lo = pci_resource_start (dev, lo);
319 if ((hi >= 0) && (hi <= 6))
320 io_hi = pci_resource_start (dev, hi);
322 io_lo += hi; /* Reinterpret the meaning of
323 "hi" as an offset (see SYBA
325 /* TODO: test if sharing interrupts works */
326 printk (KERN_DEBUG "PCI parallel port detected: %04x:%04x, "
327 "I/O at %#lx(%#lx)\n",
328 parport_serial_pci_tbl[i].vendor,
329 parport_serial_pci_tbl[i].device, io_lo, io_hi);
330 port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE,
331 PARPORT_DMA_NONE, dev);
333 priv->port[priv->num_par++] = port;
338 if (cards[i].postinit_hook)
339 cards[i].postinit_hook (dev, !success);
341 return success ? 0 : 1;
344 static int __devinit parport_serial_pci_probe (struct pci_dev *dev,
345 const struct pci_device_id *id)
347 struct parport_serial_private *priv;
350 priv = kmalloc (sizeof *priv, GFP_KERNEL);
353 priv->num_ser = priv->num_par = 0;
354 pci_set_drvdata (dev, priv);
356 err = pci_enable_device (dev);
358 pci_set_drvdata (dev, NULL);
363 if (parport_register (dev, id)) {
364 pci_set_drvdata (dev, NULL);
369 if (serial_register (dev, id)) {
371 for (i = 0; i < priv->num_par; i++)
372 parport_pc_unregister_port (priv->port[i]);
373 pci_set_drvdata (dev, NULL);
381 static void __devexit parport_serial_pci_remove (struct pci_dev *dev)
383 struct parport_serial_private *priv = pci_get_drvdata (dev);
387 for (i = 0; i < priv->num_ser; i++) {
388 unregister_serial (priv->line[i]);
390 if (priv->ser.init_fn)
391 (priv->ser.init_fn) (dev, &priv->ser, 0);
393 pci_set_drvdata (dev, NULL);
396 for (i = 0; i < priv->num_par; i++)
397 parport_pc_unregister_port (priv->port[i]);
403 static struct pci_driver parport_serial_pci_driver = {
404 .name = "parport_serial",
405 .id_table = parport_serial_pci_tbl,
406 .probe = parport_serial_pci_probe,
407 .remove = __devexit_p(parport_serial_pci_remove),
411 static int __init parport_serial_init (void)
413 return pci_module_init (&parport_serial_pci_driver);
416 static void __exit parport_serial_exit (void)
418 pci_unregister_driver (&parport_serial_pci_driver);
422 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
423 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
424 MODULE_LICENSE("GPL");
426 module_init(parport_serial_init);
427 module_exit(parport_serial_exit);