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Merge remote-tracking branch 'asoc/fix/wm5100' into tmp
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / parport / parport_serial.c
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/slab.h>
24 #include <linux/pci.h>
25 #include <linux/interrupt.h>
26 #include <linux/parport.h>
27 #include <linux/parport_pc.h>
28 #include <linux/8250_pci.h>
29
30 enum parport_pc_pci_cards {
31 titan_110l = 0,
32 titan_210l,
33 netmos_9xx5_combo,
34 netmos_9855,
35 netmos_9855_2p,
36 netmos_9900,
37 netmos_9900_2p,
38 netmos_99xx_1p,
39 avlab_1s1p,
40 avlab_1s2p,
41 avlab_2s1p,
42 siig_1s1p_10x,
43 siig_2s1p_10x,
44 siig_2p1s_20x,
45 siig_1s1p_20x,
46 siig_2s1p_20x,
47 timedia_4078a,
48 timedia_4079h,
49 timedia_4085h,
50 timedia_4088a,
51 timedia_4089a,
52 timedia_4095a,
53 timedia_4096a,
54 timedia_4078u,
55 timedia_4079a,
56 timedia_4085u,
57 timedia_4079r,
58 timedia_4079s,
59 timedia_4079d,
60 timedia_4079e,
61 timedia_4079f,
62 timedia_9079a,
63 timedia_9079b,
64 timedia_9079c,
65 wch_ch353_2s1p,
66 };
67
68 /* each element directly indexed from enum list, above */
69 struct parport_pc_pci {
70 int numports;
71 struct { /* BAR (base address registers) numbers in the config
72 space header */
73 int lo;
74 int hi; /* -1 if not there, >6 for offset-method (max
75 BAR is 6) */
76 } addr[4];
77
78 /* If set, this is called immediately after pci_enable_device.
79 * If it returns non-zero, no probing will take place and the
80 * ports will not be used. */
81 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
82 int autoirq, int autodma);
83
84 /* If set, this is called after probing for ports. If 'failed'
85 * is non-zero we couldn't use any of the ports. */
86 void (*postinit_hook) (struct pci_dev *pdev,
87 struct parport_pc_pci *card, int failed);
88 };
89
90 static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par,
91 int autoirq, int autodma)
92 {
93 /* the rule described below doesn't hold for this device */
94 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
95 dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
96 dev->subsystem_device == 0x0299)
97 return -ENODEV;
98
99 if (dev->device == PCI_DEVICE_ID_NETMOS_9912) {
100 par->numports = 1;
101 } else {
102 /*
103 * Netmos uses the subdevice ID to indicate the number of parallel
104 * and serial ports. The form is 0x00PS, where <P> is the number of
105 * parallel ports and <S> is the number of serial ports.
106 */
107 par->numports = (dev->subsystem_device & 0xf0) >> 4;
108 if (par->numports > ARRAY_SIZE(par->addr))
109 par->numports = ARRAY_SIZE(par->addr);
110 }
111
112 return 0;
113 }
114
115 static struct parport_pc_pci cards[] = {
116 /* titan_110l */ { 1, { { 3, -1 }, } },
117 /* titan_210l */ { 1, { { 3, -1 }, } },
118 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init },
119 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
120 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
121 /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init },
122 /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } },
123 /* netmos_99xx_1p */ {1, { { 0, 1 }, } },
124 /* avlab_1s1p */ { 1, { { 1, 2}, } },
125 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
126 /* avlab_2s1p */ { 1, { { 2, 3}, } },
127 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
128 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
129 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
130 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
131 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
132 /* timedia_4078a */ { 1, { { 2, -1 }, } },
133 /* timedia_4079h */ { 1, { { 2, 3 }, } },
134 /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } },
135 /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } },
136 /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } },
137 /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } },
138 /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } },
139 /* timedia_4078u */ { 1, { { 2, -1 }, } },
140 /* timedia_4079a */ { 1, { { 2, 3 }, } },
141 /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } },
142 /* timedia_4079r */ { 1, { { 2, 3 }, } },
143 /* timedia_4079s */ { 1, { { 2, 3 }, } },
144 /* timedia_4079d */ { 1, { { 2, 3 }, } },
145 /* timedia_4079e */ { 1, { { 2, 3 }, } },
146 /* timedia_4079f */ { 1, { { 2, 3 }, } },
147 /* timedia_9079a */ { 1, { { 2, 3 }, } },
148 /* timedia_9079b */ { 1, { { 2, 3 }, } },
149 /* timedia_9079c */ { 1, { { 2, 3 }, } },
150 /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } },
151 };
152
153 static struct pci_device_id parport_serial_pci_tbl[] = {
154 /* PCI cards */
155 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
156 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
157 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
158 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
159 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
160 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
161 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
162 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
163 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
164 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
165 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
166 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
167 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
168 0x1000, 0x0020, 0, 0, netmos_9855_2p },
169 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
170 0x1000, 0x0022, 0, 0, netmos_9855_2p },
171 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
172 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
173 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
174 0xA000, 0x3011, 0, 0, netmos_9900 },
175 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
176 0xA000, 0x3012, 0, 0, netmos_9900 },
177 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
178 0xA000, 0x3020, 0, 0, netmos_9900_2p },
179 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912,
180 0xA000, 0x2000, 0, 0, netmos_99xx_1p },
181 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
182 { PCI_VENDOR_ID_AFAVLAB, 0x2110,
183 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
184 { PCI_VENDOR_ID_AFAVLAB, 0x2111,
185 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
186 { PCI_VENDOR_ID_AFAVLAB, 0x2112,
187 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
188 { PCI_VENDOR_ID_AFAVLAB, 0x2140,
189 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
190 { PCI_VENDOR_ID_AFAVLAB, 0x2141,
191 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
192 { PCI_VENDOR_ID_AFAVLAB, 0x2142,
193 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
194 { PCI_VENDOR_ID_AFAVLAB, 0x2160,
195 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
196 { PCI_VENDOR_ID_AFAVLAB, 0x2161,
197 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
198 { PCI_VENDOR_ID_AFAVLAB, 0x2162,
199 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
200 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
201 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
202 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
203 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
204 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
205 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
206 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
207 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
208 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
209 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
210 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
211 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
212 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
213 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
214 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
215 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
216 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
217 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
218 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
219 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
220 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
221 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
222 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
223 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
224 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
225 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
226 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
227 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
228 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
229 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
230 /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/
231 { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a },
232 { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h },
233 { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h },
234 { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a },
235 { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a },
236 { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a },
237 { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a },
238 { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u },
239 { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a },
240 { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u },
241 { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r },
242 { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s },
243 { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d },
244 { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e },
245 { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f },
246 { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a },
247 { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b },
248 { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c },
249 /* WCH CARDS */
250 { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p},
251 { 0, } /* terminate list */
252 };
253 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
254
255 /*
256 * This table describes the serial "geometry" of these boards. Any
257 * quirks for these can be found in drivers/serial/8250_pci.c
258 *
259 * Cards not tested are marked n/t
260 * If you have one of these cards and it works for you, please tell me..
261 */
262 static struct pciserial_board pci_parport_serial_boards[] = {
263 [titan_110l] = {
264 .flags = FL_BASE1 | FL_BASE_BARS,
265 .num_ports = 1,
266 .base_baud = 921600,
267 .uart_offset = 8,
268 },
269 [titan_210l] = {
270 .flags = FL_BASE1 | FL_BASE_BARS,
271 .num_ports = 2,
272 .base_baud = 921600,
273 .uart_offset = 8,
274 },
275 [netmos_9xx5_combo] = {
276 .flags = FL_BASE0 | FL_BASE_BARS,
277 .num_ports = 1,
278 .base_baud = 115200,
279 .uart_offset = 8,
280 },
281 [netmos_9855] = {
282 .flags = FL_BASE2 | FL_BASE_BARS,
283 .num_ports = 1,
284 .base_baud = 115200,
285 .uart_offset = 8,
286 },
287 [netmos_9855_2p] = {
288 .flags = FL_BASE4 | FL_BASE_BARS,
289 .num_ports = 1,
290 .base_baud = 115200,
291 .uart_offset = 8,
292 },
293 [netmos_9900] = { /* n/t */
294 .flags = FL_BASE0 | FL_BASE_BARS,
295 .num_ports = 1,
296 .base_baud = 115200,
297 .uart_offset = 8,
298 },
299 [netmos_9900_2p] = { /* parallel only */ /* n/t */
300 .flags = FL_BASE0,
301 .num_ports = 0,
302 .base_baud = 115200,
303 .uart_offset = 8,
304 },
305 [netmos_99xx_1p] = { /* parallel only */ /* n/t */
306 .flags = FL_BASE0,
307 .num_ports = 0,
308 .base_baud = 115200,
309 .uart_offset = 8,
310 },
311 [avlab_1s1p] = { /* n/t */
312 .flags = FL_BASE0 | FL_BASE_BARS,
313 .num_ports = 1,
314 .base_baud = 115200,
315 .uart_offset = 8,
316 },
317 [avlab_1s2p] = { /* n/t */
318 .flags = FL_BASE0 | FL_BASE_BARS,
319 .num_ports = 1,
320 .base_baud = 115200,
321 .uart_offset = 8,
322 },
323 [avlab_2s1p] = { /* n/t */
324 .flags = FL_BASE0 | FL_BASE_BARS,
325 .num_ports = 2,
326 .base_baud = 115200,
327 .uart_offset = 8,
328 },
329 [siig_1s1p_10x] = {
330 .flags = FL_BASE2,
331 .num_ports = 1,
332 .base_baud = 460800,
333 .uart_offset = 8,
334 },
335 [siig_2s1p_10x] = {
336 .flags = FL_BASE2,
337 .num_ports = 1,
338 .base_baud = 921600,
339 .uart_offset = 8,
340 },
341 [siig_2p1s_20x] = {
342 .flags = FL_BASE0,
343 .num_ports = 1,
344 .base_baud = 921600,
345 .uart_offset = 8,
346 },
347 [siig_1s1p_20x] = {
348 .flags = FL_BASE0,
349 .num_ports = 1,
350 .base_baud = 921600,
351 .uart_offset = 8,
352 },
353 [siig_2s1p_20x] = {
354 .flags = FL_BASE0,
355 .num_ports = 1,
356 .base_baud = 921600,
357 .uart_offset = 8,
358 },
359 [timedia_4078a] = {
360 .flags = FL_BASE0|FL_BASE_BARS,
361 .num_ports = 1,
362 .base_baud = 921600,
363 .uart_offset = 8,
364 },
365 [timedia_4079h] = {
366 .flags = FL_BASE0|FL_BASE_BARS,
367 .num_ports = 1,
368 .base_baud = 921600,
369 .uart_offset = 8,
370 },
371 [timedia_4085h] = {
372 .flags = FL_BASE0|FL_BASE_BARS,
373 .num_ports = 1,
374 .base_baud = 921600,
375 .uart_offset = 8,
376 },
377 [timedia_4088a] = {
378 .flags = FL_BASE0|FL_BASE_BARS,
379 .num_ports = 1,
380 .base_baud = 921600,
381 .uart_offset = 8,
382 },
383 [timedia_4089a] = {
384 .flags = FL_BASE0|FL_BASE_BARS,
385 .num_ports = 1,
386 .base_baud = 921600,
387 .uart_offset = 8,
388 },
389 [timedia_4095a] = {
390 .flags = FL_BASE0|FL_BASE_BARS,
391 .num_ports = 1,
392 .base_baud = 921600,
393 .uart_offset = 8,
394 },
395 [timedia_4096a] = {
396 .flags = FL_BASE0|FL_BASE_BARS,
397 .num_ports = 1,
398 .base_baud = 921600,
399 .uart_offset = 8,
400 },
401 [timedia_4078u] = {
402 .flags = FL_BASE0|FL_BASE_BARS,
403 .num_ports = 1,
404 .base_baud = 921600,
405 .uart_offset = 8,
406 },
407 [timedia_4079a] = {
408 .flags = FL_BASE0|FL_BASE_BARS,
409 .num_ports = 1,
410 .base_baud = 921600,
411 .uart_offset = 8,
412 },
413 [timedia_4085u] = {
414 .flags = FL_BASE0|FL_BASE_BARS,
415 .num_ports = 1,
416 .base_baud = 921600,
417 .uart_offset = 8,
418 },
419 [timedia_4079r] = {
420 .flags = FL_BASE0|FL_BASE_BARS,
421 .num_ports = 1,
422 .base_baud = 921600,
423 .uart_offset = 8,
424 },
425 [timedia_4079s] = {
426 .flags = FL_BASE0|FL_BASE_BARS,
427 .num_ports = 1,
428 .base_baud = 921600,
429 .uart_offset = 8,
430 },
431 [timedia_4079d] = {
432 .flags = FL_BASE0|FL_BASE_BARS,
433 .num_ports = 1,
434 .base_baud = 921600,
435 .uart_offset = 8,
436 },
437 [timedia_4079e] = {
438 .flags = FL_BASE0|FL_BASE_BARS,
439 .num_ports = 1,
440 .base_baud = 921600,
441 .uart_offset = 8,
442 },
443 [timedia_4079f] = {
444 .flags = FL_BASE0|FL_BASE_BARS,
445 .num_ports = 1,
446 .base_baud = 921600,
447 .uart_offset = 8,
448 },
449 [timedia_9079a] = {
450 .flags = FL_BASE0|FL_BASE_BARS,
451 .num_ports = 1,
452 .base_baud = 921600,
453 .uart_offset = 8,
454 },
455 [timedia_9079b] = {
456 .flags = FL_BASE0|FL_BASE_BARS,
457 .num_ports = 1,
458 .base_baud = 921600,
459 .uart_offset = 8,
460 },
461 [timedia_9079c] = {
462 .flags = FL_BASE0|FL_BASE_BARS,
463 .num_ports = 1,
464 .base_baud = 921600,
465 .uart_offset = 8,
466 },
467 [wch_ch353_2s1p] = {
468 .flags = FL_BASE0|FL_BASE_BARS,
469 .num_ports = 2,
470 .base_baud = 115200,
471 .uart_offset = 8,
472 },
473 };
474
475 struct parport_serial_private {
476 struct serial_private *serial;
477 int num_par;
478 struct parport *port[PARPORT_MAX];
479 struct parport_pc_pci par;
480 };
481
482 /* Register the serial port(s) of a PCI card. */
483 static int serial_register(struct pci_dev *dev, const struct pci_device_id *id)
484 {
485 struct parport_serial_private *priv = pci_get_drvdata (dev);
486 struct pciserial_board *board;
487 struct serial_private *serial;
488
489 board = &pci_parport_serial_boards[id->driver_data];
490
491 if (board->num_ports == 0)
492 return 0;
493
494 serial = pciserial_init_ports(dev, board);
495
496 if (IS_ERR(serial))
497 return PTR_ERR(serial);
498
499 priv->serial = serial;
500 return 0;
501 }
502
503 /* Register the parallel port(s) of a PCI card. */
504 static int parport_register(struct pci_dev *dev, const struct pci_device_id *id)
505 {
506 struct parport_pc_pci *card;
507 struct parport_serial_private *priv = pci_get_drvdata (dev);
508 int n, success = 0;
509
510 priv->par = cards[id->driver_data];
511 card = &priv->par;
512 if (card->preinit_hook &&
513 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
514 return -ENODEV;
515
516 for (n = 0; n < card->numports; n++) {
517 struct parport *port;
518 int lo = card->addr[n].lo;
519 int hi = card->addr[n].hi;
520 unsigned long io_lo, io_hi;
521 int irq;
522
523 if (priv->num_par == ARRAY_SIZE (priv->port)) {
524 printk (KERN_WARNING
525 "parport_serial: %s: only %zu parallel ports "
526 "supported (%d reported)\n", pci_name (dev),
527 ARRAY_SIZE(priv->port), card->numports);
528 break;
529 }
530
531 io_lo = pci_resource_start (dev, lo);
532 io_hi = 0;
533 if ((hi >= 0) && (hi <= 6))
534 io_hi = pci_resource_start (dev, hi);
535 else if (hi > 6)
536 io_lo += hi; /* Reinterpret the meaning of
537 "hi" as an offset (see SYBA
538 def.) */
539 /* TODO: test if sharing interrupts works */
540 irq = dev->irq;
541 if (irq == IRQ_NONE) {
542 dev_dbg(&dev->dev,
543 "PCI parallel port detected: I/O at %#lx(%#lx)\n",
544 io_lo, io_hi);
545 irq = PARPORT_IRQ_NONE;
546 } else {
547 dev_dbg(&dev->dev,
548 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n",
549 io_lo, io_hi, irq);
550 }
551 port = parport_pc_probe_port (io_lo, io_hi, irq,
552 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED);
553 if (port) {
554 priv->port[priv->num_par++] = port;
555 success = 1;
556 }
557 }
558
559 if (card->postinit_hook)
560 card->postinit_hook (dev, card, !success);
561
562 return 0;
563 }
564
565 static int parport_serial_pci_probe(struct pci_dev *dev,
566 const struct pci_device_id *id)
567 {
568 struct parport_serial_private *priv;
569 int err;
570
571 priv = kzalloc (sizeof *priv, GFP_KERNEL);
572 if (!priv)
573 return -ENOMEM;
574 pci_set_drvdata (dev, priv);
575
576 err = pci_enable_device (dev);
577 if (err) {
578 pci_set_drvdata (dev, NULL);
579 kfree (priv);
580 return err;
581 }
582
583 if (parport_register (dev, id)) {
584 pci_set_drvdata (dev, NULL);
585 kfree (priv);
586 return -ENODEV;
587 }
588
589 if (serial_register (dev, id)) {
590 int i;
591 for (i = 0; i < priv->num_par; i++)
592 parport_pc_unregister_port (priv->port[i]);
593 pci_set_drvdata (dev, NULL);
594 kfree (priv);
595 return -ENODEV;
596 }
597
598 return 0;
599 }
600
601 static void parport_serial_pci_remove(struct pci_dev *dev)
602 {
603 struct parport_serial_private *priv = pci_get_drvdata (dev);
604 int i;
605
606 pci_set_drvdata(dev, NULL);
607
608 // Serial ports
609 if (priv->serial)
610 pciserial_remove_ports(priv->serial);
611
612 // Parallel ports
613 for (i = 0; i < priv->num_par; i++)
614 parport_pc_unregister_port (priv->port[i]);
615
616 kfree (priv);
617 return;
618 }
619
620 #ifdef CONFIG_PM
621 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
622 {
623 struct parport_serial_private *priv = pci_get_drvdata(dev);
624
625 if (priv->serial)
626 pciserial_suspend_ports(priv->serial);
627
628 /* FIXME: What about parport? */
629
630 pci_save_state(dev);
631 pci_set_power_state(dev, pci_choose_state(dev, state));
632 return 0;
633 }
634
635 static int parport_serial_pci_resume(struct pci_dev *dev)
636 {
637 struct parport_serial_private *priv = pci_get_drvdata(dev);
638 int err;
639
640 pci_set_power_state(dev, PCI_D0);
641 pci_restore_state(dev);
642
643 /*
644 * The device may have been disabled. Re-enable it.
645 */
646 err = pci_enable_device(dev);
647 if (err) {
648 printk(KERN_ERR "parport_serial: %s: error enabling "
649 "device for resume (%d)\n", pci_name(dev), err);
650 return err;
651 }
652
653 if (priv->serial)
654 pciserial_resume_ports(priv->serial);
655
656 /* FIXME: What about parport? */
657
658 return 0;
659 }
660 #endif
661
662 static struct pci_driver parport_serial_pci_driver = {
663 .name = "parport_serial",
664 .id_table = parport_serial_pci_tbl,
665 .probe = parport_serial_pci_probe,
666 .remove = parport_serial_pci_remove,
667 #ifdef CONFIG_PM
668 .suspend = parport_serial_pci_suspend,
669 .resume = parport_serial_pci_resume,
670 #endif
671 };
672
673
674 static int __init parport_serial_init (void)
675 {
676 return pci_register_driver (&parport_serial_pci_driver);
677 }
678
679 static void __exit parport_serial_exit (void)
680 {
681 pci_unregister_driver (&parport_serial_pci_driver);
682 return;
683 }
684
685 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
686 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
687 MODULE_LICENSE("GPL");
688
689 module_init(parport_serial_init);
690 module_exit(parport_serial_exit);
kernel source for telekom puls (alcatel/mediatek)