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drivers: power: report battery voltage in AOSP compatible format
[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 sunix_2s1p,
67 };
68
69 /* each element directly indexed from enum list, above */
70 struct parport_pc_pci {
71 int numports;
72 struct { /* BAR (base address registers) numbers in the config
73 space header */
74 int lo;
75 int hi; /* -1 if not there, >6 for offset-method (max
76 BAR is 6) */
77 } addr[4];
78
79 /* If set, this is called immediately after pci_enable_device.
80 * If it returns non-zero, no probing will take place and the
81 * ports will not be used. */
82 int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
83 int autoirq, int autodma);
84
85 /* If set, this is called after probing for ports. If 'failed'
86 * is non-zero we couldn't use any of the ports. */
87 void (*postinit_hook) (struct pci_dev *pdev,
88 struct parport_pc_pci *card, int failed);
89 };
90
91 static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par,
92 int autoirq, int autodma)
93 {
94 /* the rule described below doesn't hold for this device */
95 if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
96 dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
97 dev->subsystem_device == 0x0299)
98 return -ENODEV;
99
100 if (dev->device == PCI_DEVICE_ID_NETMOS_9912) {
101 par->numports = 1;
102 } else {
103 /*
104 * Netmos uses the subdevice ID to indicate the number of parallel
105 * and serial ports. The form is 0x00PS, where <P> is the number of
106 * parallel ports and <S> is the number of serial ports.
107 */
108 par->numports = (dev->subsystem_device & 0xf0) >> 4;
109 if (par->numports > ARRAY_SIZE(par->addr))
110 par->numports = ARRAY_SIZE(par->addr);
111 }
112
113 return 0;
114 }
115
116 static struct parport_pc_pci cards[] = {
117 /* titan_110l */ { 1, { { 3, -1 }, } },
118 /* titan_210l */ { 1, { { 3, -1 }, } },
119 /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init },
120 /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init },
121 /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } },
122 /* netmos_9900 */ {1, { { 3, 4 }, }, netmos_parallel_init },
123 /* netmos_9900_2p */ {2, { { 0, 1 }, { 3, 4 }, } },
124 /* netmos_99xx_1p */ {1, { { 0, 1 }, } },
125 /* avlab_1s1p */ { 1, { { 1, 2}, } },
126 /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} },
127 /* avlab_2s1p */ { 1, { { 2, 3}, } },
128 /* siig_1s1p_10x */ { 1, { { 3, 4 }, } },
129 /* siig_2s1p_10x */ { 1, { { 4, 5 }, } },
130 /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } },
131 /* siig_1s1p_20x */ { 1, { { 1, 2 }, } },
132 /* siig_2s1p_20x */ { 1, { { 2, 3 }, } },
133 /* timedia_4078a */ { 1, { { 2, -1 }, } },
134 /* timedia_4079h */ { 1, { { 2, 3 }, } },
135 /* timedia_4085h */ { 2, { { 2, -1 }, { 4, -1 }, } },
136 /* timedia_4088a */ { 2, { { 2, 3 }, { 4, 5 }, } },
137 /* timedia_4089a */ { 2, { { 2, 3 }, { 4, 5 }, } },
138 /* timedia_4095a */ { 2, { { 2, 3 }, { 4, 5 }, } },
139 /* timedia_4096a */ { 2, { { 2, 3 }, { 4, 5 }, } },
140 /* timedia_4078u */ { 1, { { 2, -1 }, } },
141 /* timedia_4079a */ { 1, { { 2, 3 }, } },
142 /* timedia_4085u */ { 2, { { 2, -1 }, { 4, -1 }, } },
143 /* timedia_4079r */ { 1, { { 2, 3 }, } },
144 /* timedia_4079s */ { 1, { { 2, 3 }, } },
145 /* timedia_4079d */ { 1, { { 2, 3 }, } },
146 /* timedia_4079e */ { 1, { { 2, 3 }, } },
147 /* timedia_4079f */ { 1, { { 2, 3 }, } },
148 /* timedia_9079a */ { 1, { { 2, 3 }, } },
149 /* timedia_9079b */ { 1, { { 2, 3 }, } },
150 /* timedia_9079c */ { 1, { { 2, 3 }, } },
151 /* wch_ch353_2s1p*/ { 1, { { 2, -1}, } },
152 /* sunix_2s1p */ { 1, { { 3, -1 }, } },
153 };
154
155 #define PCI_VENDOR_ID_SUNIX 0x1fd4
156 #define PCI_DEVICE_ID_SUNIX_1999 0x1999
157
158 static struct pci_device_id parport_serial_pci_tbl[] = {
159 /* PCI cards */
160 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
161 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
162 { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
163 PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
164 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
165 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
166 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
167 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
168 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
169 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
170 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
171 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
172 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
173 0x1000, 0x0020, 0, 0, netmos_9855_2p },
174 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
175 0x1000, 0x0022, 0, 0, netmos_9855_2p },
176 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
177 PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
178 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
179 0xA000, 0x3011, 0, 0, netmos_9900 },
180 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
181 0xA000, 0x3012, 0, 0, netmos_9900 },
182 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
183 0xA000, 0x3020, 0, 0, netmos_9900_2p },
184 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912,
185 0xA000, 0x2000, 0, 0, netmos_99xx_1p },
186 /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
187 { PCI_VENDOR_ID_AFAVLAB, 0x2110,
188 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
189 { PCI_VENDOR_ID_AFAVLAB, 0x2111,
190 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
191 { PCI_VENDOR_ID_AFAVLAB, 0x2112,
192 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
193 { PCI_VENDOR_ID_AFAVLAB, 0x2140,
194 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
195 { PCI_VENDOR_ID_AFAVLAB, 0x2141,
196 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
197 { PCI_VENDOR_ID_AFAVLAB, 0x2142,
198 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
199 { PCI_VENDOR_ID_AFAVLAB, 0x2160,
200 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
201 { PCI_VENDOR_ID_AFAVLAB, 0x2161,
202 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
203 { PCI_VENDOR_ID_AFAVLAB, 0x2162,
204 PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
205 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
206 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
207 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
208 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
209 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
210 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
211 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
212 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
213 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
214 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
215 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
216 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
217 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
218 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
219 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
220 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
221 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
222 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
223 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
224 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
225 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
226 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
227 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
228 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
229 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
230 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
231 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
232 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
233 { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
234 PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
235 /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/
236 { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a },
237 { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h },
238 { 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h },
239 { 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a },
240 { 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a },
241 { 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a },
242 { 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a },
243 { 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u },
244 { 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a },
245 { 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u },
246 { 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r },
247 { 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s },
248 { 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d },
249 { 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e },
250 { 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f },
251 { 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a },
252 { 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b },
253 { 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c },
254
255 /* WCH CARDS */
256 { 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p},
257
258 /*
259 * More SUNIX variations. At least one of these has part number
260 * '5079A but subdevice 0x102. That board reports 0x0708 as
261 * its PCI Class.
262 */
263 { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
264 0x0102, 0, 0, sunix_2s1p },
265
266 { 0, } /* terminate list */
267 };
268 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
269
270 /*
271 * This table describes the serial "geometry" of these boards. Any
272 * quirks for these can be found in drivers/serial/8250_pci.c
273 *
274 * Cards not tested are marked n/t
275 * If you have one of these cards and it works for you, please tell me..
276 */
277 static struct pciserial_board pci_parport_serial_boards[] = {
278 [titan_110l] = {
279 .flags = FL_BASE1 | FL_BASE_BARS,
280 .num_ports = 1,
281 .base_baud = 921600,
282 .uart_offset = 8,
283 },
284 [titan_210l] = {
285 .flags = FL_BASE1 | FL_BASE_BARS,
286 .num_ports = 2,
287 .base_baud = 921600,
288 .uart_offset = 8,
289 },
290 [netmos_9xx5_combo] = {
291 .flags = FL_BASE0 | FL_BASE_BARS,
292 .num_ports = 1,
293 .base_baud = 115200,
294 .uart_offset = 8,
295 },
296 [netmos_9855] = {
297 .flags = FL_BASE2 | FL_BASE_BARS,
298 .num_ports = 1,
299 .base_baud = 115200,
300 .uart_offset = 8,
301 },
302 [netmos_9855_2p] = {
303 .flags = FL_BASE4 | FL_BASE_BARS,
304 .num_ports = 1,
305 .base_baud = 115200,
306 .uart_offset = 8,
307 },
308 [netmos_9900] = { /* n/t */
309 .flags = FL_BASE0 | FL_BASE_BARS,
310 .num_ports = 1,
311 .base_baud = 115200,
312 .uart_offset = 8,
313 },
314 [netmos_9900_2p] = { /* parallel only */ /* n/t */
315 .flags = FL_BASE0,
316 .num_ports = 0,
317 .base_baud = 115200,
318 .uart_offset = 8,
319 },
320 [netmos_99xx_1p] = { /* parallel only */ /* n/t */
321 .flags = FL_BASE0,
322 .num_ports = 0,
323 .base_baud = 115200,
324 .uart_offset = 8,
325 },
326 [avlab_1s1p] = { /* n/t */
327 .flags = FL_BASE0 | FL_BASE_BARS,
328 .num_ports = 1,
329 .base_baud = 115200,
330 .uart_offset = 8,
331 },
332 [avlab_1s2p] = { /* n/t */
333 .flags = FL_BASE0 | FL_BASE_BARS,
334 .num_ports = 1,
335 .base_baud = 115200,
336 .uart_offset = 8,
337 },
338 [avlab_2s1p] = { /* n/t */
339 .flags = FL_BASE0 | FL_BASE_BARS,
340 .num_ports = 2,
341 .base_baud = 115200,
342 .uart_offset = 8,
343 },
344 [siig_1s1p_10x] = {
345 .flags = FL_BASE2,
346 .num_ports = 1,
347 .base_baud = 460800,
348 .uart_offset = 8,
349 },
350 [siig_2s1p_10x] = {
351 .flags = FL_BASE2,
352 .num_ports = 1,
353 .base_baud = 921600,
354 .uart_offset = 8,
355 },
356 [siig_2p1s_20x] = {
357 .flags = FL_BASE0,
358 .num_ports = 1,
359 .base_baud = 921600,
360 .uart_offset = 8,
361 },
362 [siig_1s1p_20x] = {
363 .flags = FL_BASE0,
364 .num_ports = 1,
365 .base_baud = 921600,
366 .uart_offset = 8,
367 },
368 [siig_2s1p_20x] = {
369 .flags = FL_BASE0,
370 .num_ports = 1,
371 .base_baud = 921600,
372 .uart_offset = 8,
373 },
374 [timedia_4078a] = {
375 .flags = FL_BASE0|FL_BASE_BARS,
376 .num_ports = 1,
377 .base_baud = 921600,
378 .uart_offset = 8,
379 },
380 [timedia_4079h] = {
381 .flags = FL_BASE0|FL_BASE_BARS,
382 .num_ports = 1,
383 .base_baud = 921600,
384 .uart_offset = 8,
385 },
386 [timedia_4085h] = {
387 .flags = FL_BASE0|FL_BASE_BARS,
388 .num_ports = 1,
389 .base_baud = 921600,
390 .uart_offset = 8,
391 },
392 [timedia_4088a] = {
393 .flags = FL_BASE0|FL_BASE_BARS,
394 .num_ports = 1,
395 .base_baud = 921600,
396 .uart_offset = 8,
397 },
398 [timedia_4089a] = {
399 .flags = FL_BASE0|FL_BASE_BARS,
400 .num_ports = 1,
401 .base_baud = 921600,
402 .uart_offset = 8,
403 },
404 [timedia_4095a] = {
405 .flags = FL_BASE0|FL_BASE_BARS,
406 .num_ports = 1,
407 .base_baud = 921600,
408 .uart_offset = 8,
409 },
410 [timedia_4096a] = {
411 .flags = FL_BASE0|FL_BASE_BARS,
412 .num_ports = 1,
413 .base_baud = 921600,
414 .uart_offset = 8,
415 },
416 [timedia_4078u] = {
417 .flags = FL_BASE0|FL_BASE_BARS,
418 .num_ports = 1,
419 .base_baud = 921600,
420 .uart_offset = 8,
421 },
422 [timedia_4079a] = {
423 .flags = FL_BASE0|FL_BASE_BARS,
424 .num_ports = 1,
425 .base_baud = 921600,
426 .uart_offset = 8,
427 },
428 [timedia_4085u] = {
429 .flags = FL_BASE0|FL_BASE_BARS,
430 .num_ports = 1,
431 .base_baud = 921600,
432 .uart_offset = 8,
433 },
434 [timedia_4079r] = {
435 .flags = FL_BASE0|FL_BASE_BARS,
436 .num_ports = 1,
437 .base_baud = 921600,
438 .uart_offset = 8,
439 },
440 [timedia_4079s] = {
441 .flags = FL_BASE0|FL_BASE_BARS,
442 .num_ports = 1,
443 .base_baud = 921600,
444 .uart_offset = 8,
445 },
446 [timedia_4079d] = {
447 .flags = FL_BASE0|FL_BASE_BARS,
448 .num_ports = 1,
449 .base_baud = 921600,
450 .uart_offset = 8,
451 },
452 [timedia_4079e] = {
453 .flags = FL_BASE0|FL_BASE_BARS,
454 .num_ports = 1,
455 .base_baud = 921600,
456 .uart_offset = 8,
457 },
458 [timedia_4079f] = {
459 .flags = FL_BASE0|FL_BASE_BARS,
460 .num_ports = 1,
461 .base_baud = 921600,
462 .uart_offset = 8,
463 },
464 [timedia_9079a] = {
465 .flags = FL_BASE0|FL_BASE_BARS,
466 .num_ports = 1,
467 .base_baud = 921600,
468 .uart_offset = 8,
469 },
470 [timedia_9079b] = {
471 .flags = FL_BASE0|FL_BASE_BARS,
472 .num_ports = 1,
473 .base_baud = 921600,
474 .uart_offset = 8,
475 },
476 [timedia_9079c] = {
477 .flags = FL_BASE0|FL_BASE_BARS,
478 .num_ports = 1,
479 .base_baud = 921600,
480 .uart_offset = 8,
481 },
482 [wch_ch353_2s1p] = {
483 .flags = FL_BASE0|FL_BASE_BARS,
484 .num_ports = 2,
485 .base_baud = 115200,
486 .uart_offset = 8,
487 },
488 [sunix_2s1p] = {
489 .flags = FL_BASE0|FL_BASE_BARS,
490 .num_ports = 2,
491 .base_baud = 921600,
492 .uart_offset = 8,
493 },
494 };
495
496 struct parport_serial_private {
497 struct serial_private *serial;
498 int num_par;
499 struct parport *port[PARPORT_MAX];
500 struct parport_pc_pci par;
501 };
502
503 /* Register the serial port(s) of a PCI card. */
504 static int serial_register(struct pci_dev *dev, const struct pci_device_id *id)
505 {
506 struct parport_serial_private *priv = pci_get_drvdata (dev);
507 struct pciserial_board *board;
508 struct serial_private *serial;
509
510 board = &pci_parport_serial_boards[id->driver_data];
511
512 if (board->num_ports == 0)
513 return 0;
514
515 serial = pciserial_init_ports(dev, board);
516
517 if (IS_ERR(serial))
518 return PTR_ERR(serial);
519
520 priv->serial = serial;
521 return 0;
522 }
523
524 /* Register the parallel port(s) of a PCI card. */
525 static int parport_register(struct pci_dev *dev, const struct pci_device_id *id)
526 {
527 struct parport_pc_pci *card;
528 struct parport_serial_private *priv = pci_get_drvdata (dev);
529 int n, success = 0;
530
531 priv->par = cards[id->driver_data];
532 card = &priv->par;
533 if (card->preinit_hook &&
534 card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
535 return -ENODEV;
536
537 for (n = 0; n < card->numports; n++) {
538 struct parport *port;
539 int lo = card->addr[n].lo;
540 int hi = card->addr[n].hi;
541 unsigned long io_lo, io_hi;
542 int irq;
543
544 if (priv->num_par == ARRAY_SIZE (priv->port)) {
545 printk (KERN_WARNING
546 "parport_serial: %s: only %zu parallel ports "
547 "supported (%d reported)\n", pci_name (dev),
548 ARRAY_SIZE(priv->port), card->numports);
549 break;
550 }
551
552 io_lo = pci_resource_start (dev, lo);
553 io_hi = 0;
554 if ((hi >= 0) && (hi <= 6))
555 io_hi = pci_resource_start (dev, hi);
556 else if (hi > 6)
557 io_lo += hi; /* Reinterpret the meaning of
558 "hi" as an offset (see SYBA
559 def.) */
560 /* TODO: test if sharing interrupts works */
561 irq = dev->irq;
562 if (irq == IRQ_NONE) {
563 dev_dbg(&dev->dev,
564 "PCI parallel port detected: I/O at %#lx(%#lx)\n",
565 io_lo, io_hi);
566 irq = PARPORT_IRQ_NONE;
567 } else {
568 dev_dbg(&dev->dev,
569 "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n",
570 io_lo, io_hi, irq);
571 }
572 port = parport_pc_probe_port (io_lo, io_hi, irq,
573 PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED);
574 if (port) {
575 priv->port[priv->num_par++] = port;
576 success = 1;
577 }
578 }
579
580 if (card->postinit_hook)
581 card->postinit_hook (dev, card, !success);
582
583 return 0;
584 }
585
586 static int parport_serial_pci_probe(struct pci_dev *dev,
587 const struct pci_device_id *id)
588 {
589 struct parport_serial_private *priv;
590 int err;
591
592 priv = kzalloc (sizeof *priv, GFP_KERNEL);
593 if (!priv)
594 return -ENOMEM;
595 pci_set_drvdata (dev, priv);
596
597 err = pci_enable_device (dev);
598 if (err) {
599 pci_set_drvdata (dev, NULL);
600 kfree (priv);
601 return err;
602 }
603
604 if (parport_register (dev, id)) {
605 pci_set_drvdata (dev, NULL);
606 kfree (priv);
607 return -ENODEV;
608 }
609
610 if (serial_register (dev, id)) {
611 int i;
612 for (i = 0; i < priv->num_par; i++)
613 parport_pc_unregister_port (priv->port[i]);
614 pci_set_drvdata (dev, NULL);
615 kfree (priv);
616 return -ENODEV;
617 }
618
619 return 0;
620 }
621
622 static void parport_serial_pci_remove(struct pci_dev *dev)
623 {
624 struct parport_serial_private *priv = pci_get_drvdata (dev);
625 int i;
626
627 pci_set_drvdata(dev, NULL);
628
629 // Serial ports
630 if (priv->serial)
631 pciserial_remove_ports(priv->serial);
632
633 // Parallel ports
634 for (i = 0; i < priv->num_par; i++)
635 parport_pc_unregister_port (priv->port[i]);
636
637 kfree (priv);
638 return;
639 }
640
641 #ifdef CONFIG_PM
642 static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
643 {
644 struct parport_serial_private *priv = pci_get_drvdata(dev);
645
646 if (priv->serial)
647 pciserial_suspend_ports(priv->serial);
648
649 /* FIXME: What about parport? */
650
651 pci_save_state(dev);
652 pci_set_power_state(dev, pci_choose_state(dev, state));
653 return 0;
654 }
655
656 static int parport_serial_pci_resume(struct pci_dev *dev)
657 {
658 struct parport_serial_private *priv = pci_get_drvdata(dev);
659 int err;
660
661 pci_set_power_state(dev, PCI_D0);
662 pci_restore_state(dev);
663
664 /*
665 * The device may have been disabled. Re-enable it.
666 */
667 err = pci_enable_device(dev);
668 if (err) {
669 printk(KERN_ERR "parport_serial: %s: error enabling "
670 "device for resume (%d)\n", pci_name(dev), err);
671 return err;
672 }
673
674 if (priv->serial)
675 pciserial_resume_ports(priv->serial);
676
677 /* FIXME: What about parport? */
678
679 return 0;
680 }
681 #endif
682
683 static struct pci_driver parport_serial_pci_driver = {
684 .name = "parport_serial",
685 .id_table = parport_serial_pci_tbl,
686 .probe = parport_serial_pci_probe,
687 .remove = parport_serial_pci_remove,
688 #ifdef CONFIG_PM
689 .suspend = parport_serial_pci_suspend,
690 .resume = parport_serial_pci_resume,
691 #endif
692 };
693
694
695 static int __init parport_serial_init (void)
696 {
697 return pci_register_driver (&parport_serial_pci_driver);
698 }
699
700 static void __exit parport_serial_exit (void)
701 {
702 pci_unregister_driver (&parport_serial_pci_driver);
703 return;
704 }
705
706 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
707 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
708 MODULE_LICENSE("GPL");
709
710 module_init(parport_serial_init);
711 module_exit(parport_serial_exit);
kernel source for telekom puls (alcatel/mediatek)