xref: /linux/drivers/parport/parport_serial.c (revision 06d07429858317ded2db7986113a9e0129cd599b)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Support for common PCI multi-I/O cards (which is most of them)
4  *
5  * Copyright (C) 2001  Tim Waugh <twaugh@redhat.com>
6  *
7  * Multi-function PCI cards are supposed to present separate logical
8  * devices on the bus.  A common thing to do seems to be to just use
9  * one logical device with lots of base address registers for both
10  * parallel ports and serial ports.  This driver is for dealing with
11  * that.
12  */
13 
14 #include <linux/interrupt.h>
15 #include <linux/module.h>
16 #include <linux/parport.h>
17 #include <linux/parport_pc.h>
18 #include <linux/pci.h>
19 #include <linux/slab.h>
20 #include <linux/types.h>
21 
22 #include <linux/8250_pci.h>
23 
24 enum parport_pc_pci_cards {
25 	titan_110l = 0,
26 	titan_210l,
27 	netmos_9xx5_combo,
28 	netmos_9855,
29 	netmos_9855_2p,
30 	netmos_9900,
31 	netmos_9900_2p,
32 	netmos_99xx_1p,
33 	avlab_1s1p,
34 	avlab_1s2p,
35 	avlab_2s1p,
36 	siig_1s1p_10x,
37 	siig_2s1p_10x,
38 	siig_2p1s_20x,
39 	siig_1s1p_20x,
40 	siig_2s1p_20x,
41 	timedia_4078a,
42 	timedia_4079h,
43 	timedia_4085h,
44 	timedia_4088a,
45 	timedia_4089a,
46 	timedia_4095a,
47 	timedia_4096a,
48 	timedia_4078u,
49 	timedia_4079a,
50 	timedia_4085u,
51 	timedia_4079r,
52 	timedia_4079s,
53 	timedia_4079d,
54 	timedia_4079e,
55 	timedia_4079f,
56 	timedia_9079a,
57 	timedia_9079b,
58 	timedia_9079c,
59 	wch_ch353_1s1p,
60 	wch_ch353_2s1p,
61 	wch_ch382_0s1p,
62 	wch_ch382_2s1p,
63 	brainboxes_5s1p,
64 	sunix_4008a,
65 	sunix_5069a,
66 	sunix_5079a,
67 	sunix_5099a,
68 	brainboxes_uc257,
69 	brainboxes_is300,
70 	brainboxes_uc414,
71 	brainboxes_px263,
72 };
73 
74 /* each element directly indexed from enum list, above */
75 struct parport_pc_pci {
76 	int numports;
77 	struct { /* BAR (base address registers) numbers in the config
78                     space header */
79 		int lo;
80 		int hi; /* -1 if not there, >6 for offset-method (max
81                            BAR is 6) */
82 	} addr[4];
83 
84 	/* If set, this is called immediately after pci_enable_device.
85 	 * If it returns non-zero, no probing will take place and the
86 	 * ports will not be used. */
87 	int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card,
88 				int autoirq, int autodma);
89 
90 	/* If set, this is called after probing for ports.  If 'failed'
91 	 * is non-zero we couldn't use any of the ports. */
92 	void (*postinit_hook) (struct pci_dev *pdev,
93 				struct parport_pc_pci *card, int failed);
94 };
95 
netmos_parallel_init(struct pci_dev * dev,struct parport_pc_pci * par,int autoirq,int autodma)96 static int netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par,
97 				int autoirq, int autodma)
98 {
99 	/* the rule described below doesn't hold for this device */
100 	if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
101 			dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
102 			dev->subsystem_device == 0x0299)
103 		return -ENODEV;
104 
105 	if (dev->device == PCI_DEVICE_ID_NETMOS_9912) {
106 		par->numports = 1;
107 	} else {
108 		/*
109 		 * Netmos uses the subdevice ID to indicate the number of parallel
110 		 * and serial ports.  The form is 0x00PS, where <P> is the number of
111 		 * parallel ports and <S> is the number of serial ports.
112 		 */
113 		par->numports = (dev->subsystem_device & 0xf0) >> 4;
114 		if (par->numports > ARRAY_SIZE(par->addr))
115 			par->numports = ARRAY_SIZE(par->addr);
116 	}
117 
118 	return 0;
119 }
120 
121 static struct parport_pc_pci cards[] = {
122 	/* titan_110l */		{ 1, { { 3, -1 }, } },
123 	/* titan_210l */		{ 1, { { 3, -1 }, } },
124 	/* netmos_9xx5_combo */		{ 1, { { 2, -1 }, }, netmos_parallel_init },
125 	/* netmos_9855 */		{ 1, { { 0, -1 }, }, netmos_parallel_init },
126 	/* netmos_9855_2p */		{ 2, { { 0, -1 }, { 2, -1 }, } },
127 	/* netmos_9900 */		{1, { { 3, 4 }, }, netmos_parallel_init },
128 	/* netmos_9900_2p */		{2, { { 0, 1 }, { 3, 4 }, } },
129 	/* netmos_99xx_1p */		{1, { { 0, 1 }, } },
130 	/* avlab_1s1p     */		{ 1, { { 1, 2}, } },
131 	/* avlab_1s2p     */		{ 2, { { 1, 2}, { 3, 4 },} },
132 	/* avlab_2s1p     */		{ 1, { { 2, 3}, } },
133 	/* siig_1s1p_10x */		{ 1, { { 3, 4 }, } },
134 	/* siig_2s1p_10x */		{ 1, { { 4, 5 }, } },
135 	/* siig_2p1s_20x */		{ 2, { { 1, 2 }, { 3, 4 }, } },
136 	/* siig_1s1p_20x */		{ 1, { { 1, 2 }, } },
137 	/* siig_2s1p_20x */		{ 1, { { 2, 3 }, } },
138 	/* timedia_4078a */		{ 1, { { 2, -1 }, } },
139 	/* timedia_4079h */             { 1, { { 2, 3 }, } },
140 	/* timedia_4085h */             { 2, { { 2, -1 }, { 4, -1 }, } },
141 	/* timedia_4088a */             { 2, { { 2, 3 }, { 4, 5 }, } },
142 	/* timedia_4089a */             { 2, { { 2, 3 }, { 4, 5 }, } },
143 	/* timedia_4095a */             { 2, { { 2, 3 }, { 4, 5 }, } },
144 	/* timedia_4096a */             { 2, { { 2, 3 }, { 4, 5 }, } },
145 	/* timedia_4078u */             { 1, { { 2, -1 }, } },
146 	/* timedia_4079a */             { 1, { { 2, 3 }, } },
147 	/* timedia_4085u */             { 2, { { 2, -1 }, { 4, -1 }, } },
148 	/* timedia_4079r */             { 1, { { 2, 3 }, } },
149 	/* timedia_4079s */             { 1, { { 2, 3 }, } },
150 	/* timedia_4079d */             { 1, { { 2, 3 }, } },
151 	/* timedia_4079e */             { 1, { { 2, 3 }, } },
152 	/* timedia_4079f */             { 1, { { 2, 3 }, } },
153 	/* timedia_9079a */             { 1, { { 2, 3 }, } },
154 	/* timedia_9079b */             { 1, { { 2, 3 }, } },
155 	/* timedia_9079c */             { 1, { { 2, 3 }, } },
156 	/* wch_ch353_1s1p*/             { 1, { { 1, -1}, } },
157 	/* wch_ch353_2s1p*/             { 1, { { 2, -1}, } },
158 	/* wch_ch382_0s1p*/		{ 1, { { 2, -1}, } },
159 	/* wch_ch382_2s1p*/             { 1, { { 2, -1}, } },
160 	/* brainboxes_5s1p */           { 1, { { 3, -1 }, } },
161 	/* sunix_4008a */		{ 1, { { 1, 2 }, } },
162 	/* sunix_5069a */		{ 1, { { 1, 2 }, } },
163 	/* sunix_5079a */		{ 1, { { 1, 2 }, } },
164 	/* sunix_5099a */		{ 1, { { 1, 2 }, } },
165 	/* brainboxes_uc257 */	{ 1, { { 3, -1 }, } },
166 	/* brainboxes_is300 */	{ 1, { { 3, -1 }, } },
167 	/* brainboxes_uc414 */  { 1, { { 3, -1 }, } },
168 	/* brainboxes_px263 */	{ 1, { { 3, -1 }, } },
169 };
170 
171 static struct pci_device_id parport_serial_pci_tbl[] = {
172 	/* PCI cards */
173 	{ PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L,
174 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l },
175 	{ PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L,
176 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l },
177 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735,
178 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
179 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745,
180 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
181 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
182 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
183 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845,
184 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo },
185 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
186 	  0x1000, 0x0020, 0, 0, netmos_9855_2p },
187 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
188 	  0x1000, 0x0022, 0, 0, netmos_9855_2p },
189 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855,
190 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 },
191 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
192 	  0xA000, 0x3011, 0, 0, netmos_9900 },
193 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
194 	  0xA000, 0x3012, 0, 0, netmos_9900 },
195 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
196 	  0xA000, 0x3020, 0, 0, netmos_9900_2p },
197 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912,
198 	  0xA000, 0x2000, 0, 0, netmos_99xx_1p },
199 	/* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
200 	{ PCI_VENDOR_ID_AFAVLAB, 0x2110,
201 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
202 	{ PCI_VENDOR_ID_AFAVLAB, 0x2111,
203 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
204 	{ PCI_VENDOR_ID_AFAVLAB, 0x2112,
205 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p },
206 	{ PCI_VENDOR_ID_AFAVLAB, 0x2140,
207 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
208 	{ PCI_VENDOR_ID_AFAVLAB, 0x2141,
209 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
210 	{ PCI_VENDOR_ID_AFAVLAB, 0x2142,
211 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p },
212 	{ PCI_VENDOR_ID_AFAVLAB, 0x2160,
213 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
214 	{ PCI_VENDOR_ID_AFAVLAB, 0x2161,
215 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
216 	{ PCI_VENDOR_ID_AFAVLAB, 0x2162,
217 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p },
218 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550,
219 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
220 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650,
221 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
222 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850,
223 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x },
224 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550,
225 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
226 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650,
227 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
228 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850,
229 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x },
230 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550,
231 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
232 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650,
233 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
234 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850,
235 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x },
236 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550,
237 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
238 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650,
239 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
240 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850,
241 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x },
242 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550,
243 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
244 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650,
245 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
246 	{ PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850,
247 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x },
248 	/* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/
249 	{ 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a },
250 	{ 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h },
251 	{ 0x1409, 0x7168, 0x1409, 0x4085, 0, 0, timedia_4085h },
252 	{ 0x1409, 0x7168, 0x1409, 0x4088, 0, 0, timedia_4088a },
253 	{ 0x1409, 0x7168, 0x1409, 0x4089, 0, 0, timedia_4089a },
254 	{ 0x1409, 0x7168, 0x1409, 0x4095, 0, 0, timedia_4095a },
255 	{ 0x1409, 0x7168, 0x1409, 0x4096, 0, 0, timedia_4096a },
256 	{ 0x1409, 0x7168, 0x1409, 0x5078, 0, 0, timedia_4078u },
257 	{ 0x1409, 0x7168, 0x1409, 0x5079, 0, 0, timedia_4079a },
258 	{ 0x1409, 0x7168, 0x1409, 0x5085, 0, 0, timedia_4085u },
259 	{ 0x1409, 0x7168, 0x1409, 0x6079, 0, 0, timedia_4079r },
260 	{ 0x1409, 0x7168, 0x1409, 0x7079, 0, 0, timedia_4079s },
261 	{ 0x1409, 0x7168, 0x1409, 0x8079, 0, 0, timedia_4079d },
262 	{ 0x1409, 0x7168, 0x1409, 0x9079, 0, 0, timedia_4079e },
263 	{ 0x1409, 0x7168, 0x1409, 0xa079, 0, 0, timedia_4079f },
264 	{ 0x1409, 0x7168, 0x1409, 0xb079, 0, 0, timedia_9079a },
265 	{ 0x1409, 0x7168, 0x1409, 0xc079, 0, 0, timedia_9079b },
266 	{ 0x1409, 0x7168, 0x1409, 0xd079, 0, 0, timedia_9079c },
267 
268 	/* WCH CARDS */
269 	{ 0x4348, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, wch_ch353_1s1p},
270 	{ 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p},
271 	{ 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382_0s1p},
272 	{ 0x1c00, 0x3250, 0x1c00, 0x3250, 0, 0, wch_ch382_2s1p},
273 
274 	/* BrainBoxes PX272/PX306 MIO card */
275 	{ PCI_VENDOR_ID_INTASHIELD, 0x4100,
276 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_5s1p },
277 
278 	/* Sunix boards */
279 	{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
280 	  0x0100, 0, 0, sunix_4008a },
281 	{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
282 	  0x0101, 0, 0, sunix_5069a },
283 	{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
284 	  0x0102, 0, 0, sunix_5079a },
285 	{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX,
286 	  0x0104, 0, 0, sunix_5099a },
287 
288 	/* Brainboxes UC-203 */
289 	{ PCI_VENDOR_ID_INTASHIELD, 0x0bc1,
290 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
291 	{ PCI_VENDOR_ID_INTASHIELD, 0x0bc2,
292 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
293 
294 	/* Brainboxes UC-257 */
295 	{ PCI_VENDOR_ID_INTASHIELD, 0x0861,
296 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
297 	{ PCI_VENDOR_ID_INTASHIELD, 0x0862,
298 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
299 	{ PCI_VENDOR_ID_INTASHIELD, 0x0863,
300 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
301 
302 	/* Brainboxes UC-414 */
303 	{ PCI_VENDOR_ID_INTASHIELD, 0x0e61,
304 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc414 },
305 
306 	/* Brainboxes UC-475 */
307 	{ PCI_VENDOR_ID_INTASHIELD, 0x0981,
308 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
309 	{ PCI_VENDOR_ID_INTASHIELD, 0x0982,
310 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 },
311 
312 	/* Brainboxes IS-300/IS-500 */
313 	{ PCI_VENDOR_ID_INTASHIELD, 0x0da0,
314 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_is300 },
315 
316 	/* Brainboxes PX-263/PX-295 */
317 	{ PCI_VENDOR_ID_INTASHIELD, 0x402c,
318 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px263 },
319 
320 	{ 0, } /* terminate list */
321 };
322 MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl);
323 
324 /*
325  * This table describes the serial "geometry" of these boards.  Any
326  * quirks for these can be found in drivers/serial/8250_pci.c
327  *
328  * Cards not tested are marked n/t
329  * If you have one of these cards and it works for you, please tell me..
330  */
331 static struct pciserial_board pci_parport_serial_boards[] = {
332 	[titan_110l] = {
333 		.flags		= FL_BASE1 | FL_BASE_BARS,
334 		.num_ports	= 1,
335 		.base_baud	= 921600,
336 		.uart_offset	= 8,
337 	},
338 	[titan_210l] = {
339 		.flags		= FL_BASE1 | FL_BASE_BARS,
340 		.num_ports	= 2,
341 		.base_baud	= 921600,
342 		.uart_offset	= 8,
343 	},
344 	[netmos_9xx5_combo] = {
345 		.flags		= FL_BASE0 | FL_BASE_BARS,
346 		.num_ports	= 1,
347 		.base_baud	= 115200,
348 		.uart_offset	= 8,
349 	},
350 	[netmos_9855] = {
351 		.flags		= FL_BASE2 | FL_BASE_BARS,
352 		.num_ports	= 1,
353 		.base_baud	= 115200,
354 		.uart_offset	= 8,
355 	},
356 	[netmos_9855_2p] = {
357 		.flags		= FL_BASE4 | FL_BASE_BARS,
358 		.num_ports	= 1,
359 		.base_baud	= 115200,
360 		.uart_offset	= 8,
361 	},
362 	[netmos_9900] = { /* n/t */
363 		.flags		= FL_BASE0 | FL_BASE_BARS,
364 		.num_ports	= 1,
365 		.base_baud	= 115200,
366 		.uart_offset	= 8,
367 	},
368 	[netmos_9900_2p] = { /* parallel only */ /* n/t */
369 		.flags		= FL_BASE0,
370 		.num_ports	= 0,
371 		.base_baud	= 115200,
372 		.uart_offset	= 8,
373 	},
374 	[netmos_99xx_1p] = { /* parallel only */ /* n/t */
375 		.flags		= FL_BASE0,
376 		.num_ports	= 0,
377 		.base_baud	= 115200,
378 		.uart_offset	= 8,
379 	},
380 	[avlab_1s1p] = { /* n/t */
381 		.flags		= FL_BASE0 | FL_BASE_BARS,
382 		.num_ports	= 1,
383 		.base_baud	= 115200,
384 		.uart_offset	= 8,
385 	},
386 	[avlab_1s2p] = { /* n/t */
387 		.flags		= FL_BASE0 | FL_BASE_BARS,
388 		.num_ports	= 1,
389 		.base_baud	= 115200,
390 		.uart_offset	= 8,
391 	},
392 	[avlab_2s1p] = { /* n/t */
393 		.flags		= FL_BASE0 | FL_BASE_BARS,
394 		.num_ports	= 2,
395 		.base_baud	= 115200,
396 		.uart_offset	= 8,
397 	},
398 	[siig_1s1p_10x] = {
399 		.flags		= FL_BASE2,
400 		.num_ports	= 1,
401 		.base_baud	= 460800,
402 		.uart_offset	= 8,
403 	},
404 	[siig_2s1p_10x] = {
405 		.flags		= FL_BASE2,
406 		.num_ports	= 1,
407 		.base_baud	= 921600,
408 		.uart_offset	= 8,
409 	},
410 	[siig_2p1s_20x] = {
411 		.flags		= FL_BASE0,
412 		.num_ports	= 1,
413 		.base_baud	= 921600,
414 		.uart_offset	= 8,
415 	},
416 	[siig_1s1p_20x] = {
417 		.flags		= FL_BASE0,
418 		.num_ports	= 1,
419 		.base_baud	= 921600,
420 		.uart_offset	= 8,
421 	},
422 	[siig_2s1p_20x] = {
423 		.flags		= FL_BASE0,
424 		.num_ports	= 1,
425 		.base_baud	= 921600,
426 		.uart_offset	= 8,
427 	},
428 	[timedia_4078a] = {
429 		.flags		= FL_BASE0|FL_BASE_BARS,
430 		.num_ports	= 1,
431 		.base_baud	= 921600,
432 		.uart_offset	= 8,
433 	},
434 	[timedia_4079h] = {
435 		.flags		= FL_BASE0|FL_BASE_BARS,
436 		.num_ports	= 1,
437 		.base_baud	= 921600,
438 		.uart_offset	= 8,
439 	},
440 	[timedia_4085h] = {
441 		.flags		= FL_BASE0|FL_BASE_BARS,
442 		.num_ports	= 1,
443 		.base_baud	= 921600,
444 		.uart_offset	= 8,
445 	},
446 	[timedia_4088a] = {
447 		.flags		= FL_BASE0|FL_BASE_BARS,
448 		.num_ports	= 1,
449 		.base_baud	= 921600,
450 		.uart_offset	= 8,
451 	},
452 	[timedia_4089a] = {
453 		.flags		= FL_BASE0|FL_BASE_BARS,
454 		.num_ports	= 1,
455 		.base_baud	= 921600,
456 		.uart_offset	= 8,
457 	},
458 	[timedia_4095a] = {
459 		.flags		= FL_BASE0|FL_BASE_BARS,
460 		.num_ports	= 1,
461 		.base_baud	= 921600,
462 		.uart_offset	= 8,
463 	},
464 	[timedia_4096a] = {
465 		.flags		= FL_BASE0|FL_BASE_BARS,
466 		.num_ports	= 1,
467 		.base_baud	= 921600,
468 		.uart_offset	= 8,
469 	},
470 	[timedia_4078u] = {
471 		.flags		= FL_BASE0|FL_BASE_BARS,
472 		.num_ports	= 1,
473 		.base_baud	= 921600,
474 		.uart_offset	= 8,
475 	},
476 	[timedia_4079a] = {
477 		.flags		= FL_BASE0|FL_BASE_BARS,
478 		.num_ports	= 1,
479 		.base_baud	= 921600,
480 		.uart_offset	= 8,
481 	},
482 	[timedia_4085u] = {
483 		.flags		= FL_BASE0|FL_BASE_BARS,
484 		.num_ports	= 1,
485 		.base_baud	= 921600,
486 		.uart_offset	= 8,
487 	},
488 	[timedia_4079r] = {
489 		.flags		= FL_BASE0|FL_BASE_BARS,
490 		.num_ports	= 1,
491 		.base_baud	= 921600,
492 		.uart_offset	= 8,
493 	},
494 	[timedia_4079s] = {
495 		.flags		= FL_BASE0|FL_BASE_BARS,
496 		.num_ports	= 1,
497 		.base_baud	= 921600,
498 		.uart_offset	= 8,
499 	},
500 	[timedia_4079d] = {
501 		.flags		= FL_BASE0|FL_BASE_BARS,
502 		.num_ports	= 1,
503 		.base_baud	= 921600,
504 		.uart_offset	= 8,
505 	},
506 	[timedia_4079e] = {
507 		.flags		= FL_BASE0|FL_BASE_BARS,
508 		.num_ports	= 1,
509 		.base_baud	= 921600,
510 		.uart_offset	= 8,
511 	},
512 	[timedia_4079f] = {
513 		.flags		= FL_BASE0|FL_BASE_BARS,
514 		.num_ports	= 1,
515 		.base_baud	= 921600,
516 		.uart_offset	= 8,
517 	},
518 	[timedia_9079a] = {
519 		.flags		= FL_BASE0|FL_BASE_BARS,
520 		.num_ports	= 1,
521 		.base_baud	= 921600,
522 		.uart_offset	= 8,
523 	},
524 	[timedia_9079b] = {
525 		.flags		= FL_BASE0|FL_BASE_BARS,
526 		.num_ports	= 1,
527 		.base_baud	= 921600,
528 		.uart_offset	= 8,
529 	},
530 	[timedia_9079c] = {
531 		.flags		= FL_BASE0|FL_BASE_BARS,
532 		.num_ports	= 1,
533 		.base_baud	= 921600,
534 		.uart_offset	= 8,
535 	},
536 	[wch_ch353_1s1p] = {
537 		.flags          = FL_BASE0|FL_BASE_BARS,
538 		.num_ports      = 1,
539 		.base_baud      = 115200,
540 		.uart_offset    = 8,
541 	},
542 	[wch_ch353_2s1p] = {
543 		.flags          = FL_BASE0|FL_BASE_BARS,
544 		.num_ports      = 2,
545 		.base_baud      = 115200,
546 		.uart_offset    = 8,
547 	},
548 	[wch_ch382_0s1p] = {
549 		.flags          = FL_BASE0,
550 		.num_ports      = 0,
551 		.base_baud      = 115200,
552 		.uart_offset    = 8,
553 	},
554 	[wch_ch382_2s1p] = {
555 		.flags          = FL_BASE0,
556 		.num_ports      = 2,
557 		.base_baud      = 115200,
558 		.uart_offset    = 8,
559 		.first_offset   = 0xC0,
560 	},
561 	[brainboxes_5s1p] = {
562 		.flags		= FL_BASE2,
563 		.num_ports	= 5,
564 		.base_baud	= 921600,
565 		.uart_offset	= 8,
566 	},
567 	[sunix_4008a] = {
568 		.num_ports	= 0,
569 	},
570 	[sunix_5069a] = {
571 		.num_ports	= 1,
572 		.base_baud      = 921600,
573 		.uart_offset	= 0x8,
574 	},
575 	[sunix_5079a] = {
576 		.num_ports	= 2,
577 		.base_baud      = 921600,
578 		.uart_offset	= 0x8,
579 	},
580 	[sunix_5099a] = {
581 		.num_ports	= 4,
582 		.base_baud      = 921600,
583 		.uart_offset	= 0x8,
584 	},
585 	[brainboxes_uc257] = {
586 		.flags		= FL_BASE2,
587 		.num_ports	= 2,
588 		.base_baud	= 115200,
589 		.uart_offset	= 8,
590 	},
591 	[brainboxes_is300] = {
592 		.flags		= FL_BASE2,
593 		.num_ports	= 1,
594 		.base_baud	= 115200,
595 		.uart_offset	= 8,
596 	},
597 	[brainboxes_uc414] = {
598 		.flags		= FL_BASE2,
599 		.num_ports	= 4,
600 		.base_baud	= 115200,
601 		.uart_offset	= 8,
602 	},
603 	[brainboxes_px263] = {
604 		.flags		= FL_BASE2,
605 		.num_ports	= 4,
606 		.base_baud	= 921600,
607 		.uart_offset	= 8,
608 	},
609 };
610 
611 struct parport_serial_private {
612 	struct serial_private	*serial;
613 	int num_par;
614 	struct parport *port[PARPORT_MAX];
615 	struct parport_pc_pci par;
616 };
617 
618 /* Register the serial port(s) of a PCI card. */
serial_register(struct pci_dev * dev,const struct pci_device_id * id)619 static int serial_register(struct pci_dev *dev, const struct pci_device_id *id)
620 {
621 	struct parport_serial_private *priv = pci_get_drvdata (dev);
622 	struct pciserial_board *board;
623 	struct serial_private *serial;
624 
625 	board = &pci_parport_serial_boards[id->driver_data];
626 	if (board->num_ports == 0)
627 		return 0;
628 
629 	serial = pciserial_init_ports(dev, board);
630 	if (IS_ERR(serial))
631 		return PTR_ERR(serial);
632 
633 	priv->serial = serial;
634 	return 0;
635 }
636 
637 /* Register the parallel port(s) of a PCI card. */
parport_register(struct pci_dev * dev,const struct pci_device_id * id)638 static int parport_register(struct pci_dev *dev, const struct pci_device_id *id)
639 {
640 	struct parport_pc_pci *card;
641 	struct parport_serial_private *priv = pci_get_drvdata (dev);
642 	int n, success = 0;
643 
644 	priv->par = cards[id->driver_data];
645 	card = &priv->par;
646 	if (card->preinit_hook &&
647 	    card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
648 		return -ENODEV;
649 
650 	for (n = 0; n < card->numports; n++) {
651 		struct parport *port;
652 		int lo = card->addr[n].lo;
653 		int hi = card->addr[n].hi;
654 		unsigned long io_lo, io_hi;
655 		int irq;
656 
657 		if (priv->num_par == ARRAY_SIZE (priv->port)) {
658 			dev_warn(&dev->dev,
659 				 "only %zu parallel ports supported (%d reported)\n",
660 				 ARRAY_SIZE(priv->port), card->numports);
661 			break;
662 		}
663 
664 		io_lo = pci_resource_start (dev, lo);
665 		io_hi = 0;
666 		if ((hi >= 0) && (hi <= 6))
667 			io_hi = pci_resource_start (dev, hi);
668 		else if (hi > 6)
669 			io_lo += hi; /* Reinterpret the meaning of
670                                         "hi" as an offset (see SYBA
671                                         def.) */
672 		/* TODO: test if sharing interrupts works */
673 		irq = pci_irq_vector(dev, 0);
674 		if (irq < 0)
675 			return irq;
676 		if (irq == 0)
677 			irq = PARPORT_IRQ_NONE;
678 		if (irq == PARPORT_IRQ_NONE) {
679 			dev_dbg(&dev->dev,
680 				"PCI parallel port detected: I/O at %#lx(%#lx)\n",
681 				io_lo, io_hi);
682 		} else {
683 			dev_dbg(&dev->dev,
684 				"PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n",
685 				io_lo, io_hi, irq);
686 		}
687 		port = parport_pc_probe_port (io_lo, io_hi, irq,
688 			      PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED);
689 		if (port) {
690 			priv->port[priv->num_par++] = port;
691 			success = 1;
692 		}
693 	}
694 
695 	if (card->postinit_hook)
696 		card->postinit_hook (dev, card, !success);
697 
698 	return 0;
699 }
700 
parport_serial_pci_probe(struct pci_dev * dev,const struct pci_device_id * id)701 static int parport_serial_pci_probe(struct pci_dev *dev,
702 				    const struct pci_device_id *id)
703 {
704 	struct parport_serial_private *priv;
705 	int err;
706 
707 	priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL);
708 	if (!priv)
709 		return -ENOMEM;
710 
711 	pci_set_drvdata (dev, priv);
712 
713 	err = pcim_enable_device(dev);
714 	if (err)
715 		return err;
716 
717 	err = parport_register(dev, id);
718 	if (err)
719 		return err;
720 
721 	err = serial_register(dev, id);
722 	if (err) {
723 		int i;
724 		for (i = 0; i < priv->num_par; i++)
725 			parport_pc_unregister_port (priv->port[i]);
726 		return err;
727 	}
728 
729 	return 0;
730 }
731 
parport_serial_pci_remove(struct pci_dev * dev)732 static void parport_serial_pci_remove(struct pci_dev *dev)
733 {
734 	struct parport_serial_private *priv = pci_get_drvdata (dev);
735 	int i;
736 
737 	// Serial ports
738 	if (priv->serial)
739 		pciserial_remove_ports(priv->serial);
740 
741 	// Parallel ports
742 	for (i = 0; i < priv->num_par; i++)
743 		parport_pc_unregister_port (priv->port[i]);
744 
745 	return;
746 }
747 
parport_serial_pci_suspend(struct device * dev)748 static int __maybe_unused parport_serial_pci_suspend(struct device *dev)
749 {
750 	struct parport_serial_private *priv = dev_get_drvdata(dev);
751 
752 	if (priv->serial)
753 		pciserial_suspend_ports(priv->serial);
754 
755 	/* FIXME: What about parport? */
756 	return 0;
757 }
758 
parport_serial_pci_resume(struct device * dev)759 static int __maybe_unused parport_serial_pci_resume(struct device *dev)
760 {
761 	struct parport_serial_private *priv = dev_get_drvdata(dev);
762 
763 	if (priv->serial)
764 		pciserial_resume_ports(priv->serial);
765 
766 	/* FIXME: What about parport? */
767 	return 0;
768 }
769 
770 static SIMPLE_DEV_PM_OPS(parport_serial_pm_ops,
771 			 parport_serial_pci_suspend, parport_serial_pci_resume);
772 
773 static struct pci_driver parport_serial_pci_driver = {
774 	.name		= "parport_serial",
775 	.id_table	= parport_serial_pci_tbl,
776 	.probe		= parport_serial_pci_probe,
777 	.remove		= parport_serial_pci_remove,
778 	.driver         = {
779 		.pm     = &parport_serial_pm_ops,
780 	},
781 };
782 module_pci_driver(parport_serial_pci_driver);
783 
784 MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>");
785 MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards");
786 MODULE_LICENSE("GPL");
787