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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 |
28 | enum parport_pc_pci_cards { |
29 | titan_110l = 0, | |
30 | titan_210l, | |
31 | netmos_9xx5_combo, | |
44e58a6a | 32 | netmos_9855, |
1da177e4 | 33 | avlab_1s1p, |
1da177e4 | 34 | avlab_1s2p, |
1da177e4 | 35 | avlab_2s1p, |
1da177e4 LT |
36 | siig_1s1p_10x, |
37 | siig_2s1p_10x, | |
38 | siig_2p1s_20x, | |
39 | siig_1s1p_20x, | |
40 | siig_2s1p_20x, | |
41 | }; | |
42 | ||
43 | /* each element directly indexed from enum list, above */ | |
44 | struct parport_pc_pci { | |
45 | int numports; | |
46 | struct { /* BAR (base address registers) numbers in the config | |
47 | space header */ | |
48 | int lo; | |
49 | int hi; /* -1 if not there, >6 for offset-method (max | |
50 | BAR is 6) */ | |
51 | } addr[4]; | |
52 | ||
53 | /* If set, this is called immediately after pci_enable_device. | |
54 | * If it returns non-zero, no probing will take place and the | |
55 | * ports will not be used. */ | |
56 | int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, | |
57 | int autoirq, int autodma); | |
58 | ||
59 | /* If set, this is called after probing for ports. If 'failed' | |
60 | * is non-zero we couldn't use any of the ports. */ | |
61 | void (*postinit_hook) (struct pci_dev *pdev, | |
62 | struct parport_pc_pci *card, int failed); | |
63 | }; | |
64 | ||
65 | static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *card, int autoirq, int autodma) | |
66 | { | |
67 | /* | |
68 | * Netmos uses the subdevice ID to indicate the number of parallel | |
69 | * and serial ports. The form is 0x00PS, where <P> is the number of | |
70 | * parallel ports and <S> is the number of serial ports. | |
71 | */ | |
72 | card->numports = (dev->subsystem_device & 0xf0) >> 4; | |
73 | return 0; | |
74 | } | |
75 | ||
76 | static struct parport_pc_pci cards[] __devinitdata = { | |
77 | /* titan_110l */ { 1, { { 3, -1 }, } }, | |
78 | /* titan_210l */ { 1, { { 3, -1 }, } }, | |
79 | /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, | |
44e58a6a | 80 | /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, |
1da177e4 | 81 | /* avlab_1s1p */ { 1, { { 1, 2}, } }, |
1da177e4 | 82 | /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, |
1da177e4 | 83 | /* avlab_2s1p */ { 1, { { 2, 3}, } }, |
1da177e4 LT |
84 | /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, |
85 | /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, | |
86 | /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, | |
87 | /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, | |
88 | /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, | |
89 | }; | |
90 | ||
91 | static struct pci_device_id parport_serial_pci_tbl[] = { | |
92 | /* PCI cards */ | |
93 | { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, | |
94 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, | |
95 | { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, | |
96 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, | |
97 | { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, | |
98 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, | |
99 | { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, | |
100 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, | |
101 | { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, | |
1da177e4 LT |
102 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, |
103 | { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, | |
104 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, | |
105 | { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, | |
44e58a6a | 106 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, |
1da177e4 | 107 | /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ |
91bca4b3 RK |
108 | { PCI_VENDOR_ID_AFAVLAB, 0x2110, |
109 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, | |
110 | { PCI_VENDOR_ID_AFAVLAB, 0x2111, | |
111 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, | |
112 | { PCI_VENDOR_ID_AFAVLAB, 0x2112, | |
113 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, | |
114 | { PCI_VENDOR_ID_AFAVLAB, 0x2140, | |
115 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, | |
116 | { PCI_VENDOR_ID_AFAVLAB, 0x2141, | |
117 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, | |
118 | { PCI_VENDOR_ID_AFAVLAB, 0x2142, | |
119 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, | |
120 | { PCI_VENDOR_ID_AFAVLAB, 0x2160, | |
121 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, | |
122 | { PCI_VENDOR_ID_AFAVLAB, 0x2161, | |
123 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, | |
124 | { PCI_VENDOR_ID_AFAVLAB, 0x2162, | |
125 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, | |
1da177e4 LT |
126 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, |
127 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, | |
128 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, | |
129 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, | |
130 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, | |
131 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, | |
132 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, | |
133 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, | |
134 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, | |
135 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, | |
136 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, | |
137 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, | |
138 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, | |
139 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, | |
140 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, | |
141 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, | |
142 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, | |
143 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, | |
144 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, | |
145 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, | |
146 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, | |
147 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, | |
148 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, | |
149 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, | |
150 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, | |
151 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, | |
152 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, | |
153 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, | |
154 | { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, | |
155 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, | |
156 | ||
157 | { 0, } /* terminate list */ | |
158 | }; | |
159 | MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); | |
160 | ||
05caac58 RK |
161 | /* |
162 | * This table describes the serial "geometry" of these boards. Any | |
163 | * quirks for these can be found in drivers/serial/8250_pci.c | |
164 | * | |
165 | * Cards not tested are marked n/t | |
166 | * If you have one of these cards and it works for you, please tell me.. | |
167 | */ | |
168 | static struct pciserial_board pci_parport_serial_boards[] __devinitdata = { | |
169 | [titan_110l] = { | |
170 | .flags = FL_BASE1 | FL_BASE_BARS, | |
171 | .num_ports = 1, | |
172 | .base_baud = 921600, | |
173 | .uart_offset = 8, | |
174 | }, | |
175 | [titan_210l] = { | |
176 | .flags = FL_BASE1 | FL_BASE_BARS, | |
177 | .num_ports = 2, | |
178 | .base_baud = 921600, | |
179 | .uart_offset = 8, | |
180 | }, | |
181 | [netmos_9xx5_combo] = { | |
182 | .flags = FL_BASE0 | FL_BASE_BARS, | |
183 | .num_ports = 1, | |
184 | .base_baud = 115200, | |
185 | .uart_offset = 8, | |
186 | }, | |
187 | [netmos_9855] = { | |
188 | .flags = FL_BASE2 | FL_BASE_BARS, | |
189 | .num_ports = 1, | |
190 | .base_baud = 115200, | |
191 | .uart_offset = 8, | |
192 | }, | |
193 | [avlab_1s1p] = { /* n/t */ | |
194 | .flags = FL_BASE0 | FL_BASE_BARS, | |
195 | .num_ports = 1, | |
196 | .base_baud = 115200, | |
197 | .uart_offset = 8, | |
198 | }, | |
05caac58 RK |
199 | [avlab_1s2p] = { /* n/t */ |
200 | .flags = FL_BASE0 | FL_BASE_BARS, | |
201 | .num_ports = 1, | |
202 | .base_baud = 115200, | |
203 | .uart_offset = 8, | |
204 | }, | |
05caac58 RK |
205 | [avlab_2s1p] = { /* n/t */ |
206 | .flags = FL_BASE0 | FL_BASE_BARS, | |
207 | .num_ports = 2, | |
208 | .base_baud = 115200, | |
209 | .uart_offset = 8, | |
210 | }, | |
05caac58 RK |
211 | [siig_1s1p_10x] = { |
212 | .flags = FL_BASE2, | |
213 | .num_ports = 1, | |
214 | .base_baud = 460800, | |
215 | .uart_offset = 8, | |
216 | }, | |
217 | [siig_2s1p_10x] = { | |
218 | .flags = FL_BASE2, | |
219 | .num_ports = 1, | |
220 | .base_baud = 921600, | |
221 | .uart_offset = 8, | |
222 | }, | |
223 | [siig_2p1s_20x] = { | |
224 | .flags = FL_BASE0, | |
225 | .num_ports = 1, | |
226 | .base_baud = 921600, | |
227 | .uart_offset = 8, | |
228 | }, | |
229 | [siig_1s1p_20x] = { | |
230 | .flags = FL_BASE0, | |
231 | .num_ports = 1, | |
232 | .base_baud = 921600, | |
233 | .uart_offset = 8, | |
234 | }, | |
235 | [siig_2s1p_20x] = { | |
236 | .flags = FL_BASE0, | |
237 | .num_ports = 1, | |
238 | .base_baud = 921600, | |
239 | .uart_offset = 8, | |
240 | }, | |
1da177e4 LT |
241 | }; |
242 | ||
243 | struct parport_serial_private { | |
05caac58 | 244 | struct serial_private *serial; |
1da177e4 LT |
245 | int num_par; |
246 | struct parport *port[PARPORT_MAX]; | |
247 | struct parport_pc_pci par; | |
248 | }; | |
249 | ||
1da177e4 LT |
250 | /* Register the serial port(s) of a PCI card. */ |
251 | static int __devinit serial_register (struct pci_dev *dev, | |
252 | const struct pci_device_id *id) | |
253 | { | |
1da177e4 | 254 | struct parport_serial_private *priv = pci_get_drvdata (dev); |
05caac58 RK |
255 | struct pciserial_board *board; |
256 | struct serial_private *serial; | |
1da177e4 | 257 | |
05caac58 RK |
258 | board = &pci_parport_serial_boards[id->driver_data]; |
259 | serial = pciserial_init_ports(dev, board); | |
1da177e4 | 260 | |
05caac58 RK |
261 | if (IS_ERR(serial)) |
262 | return PTR_ERR(serial); | |
1da177e4 | 263 | |
05caac58 RK |
264 | priv->serial = serial; |
265 | return 0; | |
1da177e4 LT |
266 | } |
267 | ||
268 | /* Register the parallel port(s) of a PCI card. */ | |
269 | static int __devinit parport_register (struct pci_dev *dev, | |
270 | const struct pci_device_id *id) | |
271 | { | |
272 | struct parport_pc_pci *card; | |
273 | struct parport_serial_private *priv = pci_get_drvdata (dev); | |
7a171cdc | 274 | int n, success = 0; |
1da177e4 LT |
275 | |
276 | priv->par = cards[id->driver_data]; | |
277 | card = &priv->par; | |
278 | if (card->preinit_hook && | |
279 | card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) | |
280 | return -ENODEV; | |
281 | ||
282 | for (n = 0; n < card->numports; n++) { | |
283 | struct parport *port; | |
284 | int lo = card->addr[n].lo; | |
285 | int hi = card->addr[n].hi; | |
286 | unsigned long io_lo, io_hi; | |
287 | ||
288 | if (priv->num_par == ARRAY_SIZE (priv->port)) { | |
289 | printk (KERN_WARNING | |
f4f64e9d | 290 | "parport_serial: %s: only %zu parallel ports " |
1da177e4 | 291 | "supported (%d reported)\n", pci_name (dev), |
f4f64e9d | 292 | ARRAY_SIZE(priv->port), card->numports); |
1da177e4 LT |
293 | break; |
294 | } | |
295 | ||
296 | io_lo = pci_resource_start (dev, lo); | |
297 | io_hi = 0; | |
298 | if ((hi >= 0) && (hi <= 6)) | |
299 | io_hi = pci_resource_start (dev, hi); | |
300 | else if (hi > 6) | |
301 | io_lo += hi; /* Reinterpret the meaning of | |
302 | "hi" as an offset (see SYBA | |
303 | def.) */ | |
304 | /* TODO: test if sharing interrupts works */ | |
7a171cdc RK |
305 | dev_dbg(&dev->dev, "PCI parallel port detected: I/O at " |
306 | "%#lx(%#lx)\n", io_lo, io_hi); | |
1da177e4 LT |
307 | port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, |
308 | PARPORT_DMA_NONE, dev); | |
309 | if (port) { | |
310 | priv->port[priv->num_par++] = port; | |
311 | success = 1; | |
312 | } | |
313 | } | |
314 | ||
315 | if (card->postinit_hook) | |
316 | card->postinit_hook (dev, card, !success); | |
317 | ||
7a171cdc | 318 | return 0; |
1da177e4 LT |
319 | } |
320 | ||
321 | static int __devinit parport_serial_pci_probe (struct pci_dev *dev, | |
322 | const struct pci_device_id *id) | |
323 | { | |
324 | struct parport_serial_private *priv; | |
325 | int err; | |
326 | ||
327 | priv = kmalloc (sizeof *priv, GFP_KERNEL); | |
328 | if (!priv) | |
329 | return -ENOMEM; | |
05caac58 | 330 | memset(priv, 0, sizeof(struct parport_serial_private)); |
1da177e4 LT |
331 | pci_set_drvdata (dev, priv); |
332 | ||
333 | err = pci_enable_device (dev); | |
334 | if (err) { | |
335 | pci_set_drvdata (dev, NULL); | |
336 | kfree (priv); | |
337 | return err; | |
338 | } | |
339 | ||
340 | if (parport_register (dev, id)) { | |
341 | pci_set_drvdata (dev, NULL); | |
342 | kfree (priv); | |
343 | return -ENODEV; | |
344 | } | |
345 | ||
346 | if (serial_register (dev, id)) { | |
347 | int i; | |
348 | for (i = 0; i < priv->num_par; i++) | |
349 | parport_pc_unregister_port (priv->port[i]); | |
350 | pci_set_drvdata (dev, NULL); | |
351 | kfree (priv); | |
352 | return -ENODEV; | |
353 | } | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | static void __devexit parport_serial_pci_remove (struct pci_dev *dev) | |
359 | { | |
360 | struct parport_serial_private *priv = pci_get_drvdata (dev); | |
361 | int i; | |
362 | ||
05caac58 RK |
363 | pci_set_drvdata(dev, NULL); |
364 | ||
1da177e4 | 365 | // Serial ports |
05caac58 RK |
366 | if (priv->serial) |
367 | pciserial_remove_ports(priv->serial); | |
1da177e4 | 368 | |
1da177e4 LT |
369 | // Parallel ports |
370 | for (i = 0; i < priv->num_par; i++) | |
371 | parport_pc_unregister_port (priv->port[i]); | |
372 | ||
373 | kfree (priv); | |
374 | return; | |
375 | } | |
376 | ||
7dd7d691 | 377 | #ifdef CONFIG_PM |
05caac58 RK |
378 | static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) |
379 | { | |
380 | struct parport_serial_private *priv = pci_get_drvdata(dev); | |
381 | ||
382 | if (priv->serial) | |
383 | pciserial_suspend_ports(priv->serial); | |
384 | ||
385 | /* FIXME: What about parport? */ | |
386 | ||
387 | pci_save_state(dev); | |
388 | pci_set_power_state(dev, pci_choose_state(dev, state)); | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int parport_serial_pci_resume(struct pci_dev *dev) | |
393 | { | |
394 | struct parport_serial_private *priv = pci_get_drvdata(dev); | |
395 | ||
396 | pci_set_power_state(dev, PCI_D0); | |
397 | pci_restore_state(dev); | |
398 | ||
399 | /* | |
400 | * The device may have been disabled. Re-enable it. | |
401 | */ | |
402 | pci_enable_device(dev); | |
403 | ||
404 | if (priv->serial) | |
405 | pciserial_resume_ports(priv->serial); | |
406 | ||
407 | /* FIXME: What about parport? */ | |
408 | ||
409 | return 0; | |
410 | } | |
7dd7d691 | 411 | #endif |
05caac58 | 412 | |
1da177e4 LT |
413 | static struct pci_driver parport_serial_pci_driver = { |
414 | .name = "parport_serial", | |
415 | .id_table = parport_serial_pci_tbl, | |
416 | .probe = parport_serial_pci_probe, | |
417 | .remove = __devexit_p(parport_serial_pci_remove), | |
7dd7d691 | 418 | #ifdef CONFIG_PM |
05caac58 RK |
419 | .suspend = parport_serial_pci_suspend, |
420 | .resume = parport_serial_pci_resume, | |
7dd7d691 | 421 | #endif |
1da177e4 LT |
422 | }; |
423 | ||
424 | ||
425 | static int __init parport_serial_init (void) | |
426 | { | |
93b47684 | 427 | return pci_register_driver (&parport_serial_pci_driver); |
1da177e4 LT |
428 | } |
429 | ||
430 | static void __exit parport_serial_exit (void) | |
431 | { | |
432 | pci_unregister_driver (&parport_serial_pci_driver); | |
433 | return; | |
434 | } | |
435 | ||
436 | MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); | |
437 | MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); | |
438 | MODULE_LICENSE("GPL"); | |
439 | ||
440 | module_init(parport_serial_init); | |
441 | module_exit(parport_serial_exit); |