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1/*
2 * Copyright (c) 1999-2001 Vojtech Pavlik
3 */
4
5/*
6 * Sun keyboard driver for Linux
7 */
8
9/*
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 * Should you need to contact me, the author, you can do so either by
25 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
26 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
27 */
28
29#include <linux/delay.h>
30#include <linux/sched.h>
31#include <linux/slab.h>
32#include <linux/module.h>
33#include <linux/interrupt.h>
34#include <linux/init.h>
35#include <linux/input.h>
36#include <linux/serio.h>
37#include <linux/workqueue.h>
38
39#define DRIVER_DESC "Sun keyboard driver"
40
41MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
42MODULE_DESCRIPTION(DRIVER_DESC);
43MODULE_LICENSE("GPL");
44
45static unsigned char sunkbd_keycode[128] = {
46 0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64,112,
47 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106, 1, 2, 3,
48 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 41, 14,110,113, 98, 55,
49 116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
50 26, 27,111,127, 71, 72, 73, 74,134,135,107, 0, 29, 30, 31, 32,
51 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136,
52 104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101,
53 79, 80, 81, 0, 0, 0,138, 58,125, 57,126,109, 86, 78
54};
55
56#define SUNKBD_CMD_RESET 0x1
57#define SUNKBD_CMD_BELLON 0x2
58#define SUNKBD_CMD_BELLOFF 0x3
59#define SUNKBD_CMD_CLICK 0xa
60#define SUNKBD_CMD_NOCLICK 0xb
61#define SUNKBD_CMD_SETLED 0xe
62#define SUNKBD_CMD_LAYOUT 0xf
63
64#define SUNKBD_RET_RESET 0xff
65#define SUNKBD_RET_ALLUP 0x7f
66#define SUNKBD_RET_LAYOUT 0xfe
67
68#define SUNKBD_LAYOUT_5_MASK 0x20
69#define SUNKBD_RELEASE 0x80
70#define SUNKBD_KEY 0x7f
71
72/*
73 * Per-keyboard data.
74 */
75
76struct sunkbd {
77 unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)];
78 struct input_dev *dev;
79 struct serio *serio;
80 struct work_struct tq;
81 wait_queue_head_t wait;
82 char name[64];
83 char phys[32];
84 char type;
85 bool enabled;
86 volatile s8 reset;
87 volatile s8 layout;
88};
89
90/*
91 * sunkbd_interrupt() is called by the low level driver when a character
92 * is received.
93 */
94
95static irqreturn_t sunkbd_interrupt(struct serio *serio,
96 unsigned char data, unsigned int flags)
97{
98 struct sunkbd *sunkbd = serio_get_drvdata(serio);
99
100 if (sunkbd->reset <= -1) {
101 /*
102 * If cp[i] is 0xff, sunkbd->reset will stay -1.
103 * The keyboard sends 0xff 0xff 0xID on powerup.
104 */
105 sunkbd->reset = data;
106 wake_up_interruptible(&sunkbd->wait);
107 goto out;
108 }
109
110 if (sunkbd->layout == -1) {
111 sunkbd->layout = data;
112 wake_up_interruptible(&sunkbd->wait);
113 goto out;
114 }
115
116 switch (data) {
117
118 case SUNKBD_RET_RESET:
119 schedule_work(&sunkbd->tq);
120 sunkbd->reset = -1;
121 break;
122
123 case SUNKBD_RET_LAYOUT:
124 sunkbd->layout = -1;
125 break;
126
127 case SUNKBD_RET_ALLUP: /* All keys released */
128 break;
129
130 default:
131 if (!sunkbd->enabled)
132 break;
133
134 if (sunkbd->keycode[data & SUNKBD_KEY]) {
135 input_report_key(sunkbd->dev,
136 sunkbd->keycode[data & SUNKBD_KEY],
137 !(data & SUNKBD_RELEASE));
138 input_sync(sunkbd->dev);
139 } else {
140 printk(KERN_WARNING
141 "sunkbd.c: Unknown key (scancode %#x) %s.\n",
142 data & SUNKBD_KEY,
143 data & SUNKBD_RELEASE ? "released" : "pressed");
144 }
145 }
146out:
147 return IRQ_HANDLED;
148}
149
150/*
151 * sunkbd_event() handles events from the input module.
152 */
153
154static int sunkbd_event(struct input_dev *dev,
155 unsigned int type, unsigned int code, int value)
156{
157 struct sunkbd *sunkbd = input_get_drvdata(dev);
158
159 switch (type) {
160
161 case EV_LED:
162
163 serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
164 serio_write(sunkbd->serio,
165 (!!test_bit(LED_CAPSL, dev->led) << 3) |
166 (!!test_bit(LED_SCROLLL, dev->led) << 2) |
167 (!!test_bit(LED_COMPOSE, dev->led) << 1) |
168 !!test_bit(LED_NUML, dev->led));
169 return 0;
170
171 case EV_SND:
172
173 switch (code) {
174
175 case SND_CLICK:
176 serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
177 return 0;
178
179 case SND_BELL:
180 serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
181 return 0;
182 }
183
184 break;
185 }
186
187 return -1;
188}
189
190/*
191 * sunkbd_initialize() checks for a Sun keyboard attached, and determines
192 * its type.
193 */
194
195static int sunkbd_initialize(struct sunkbd *sunkbd)
196{
197 sunkbd->reset = -2;
198 serio_write(sunkbd->serio, SUNKBD_CMD_RESET);
199 wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
200 if (sunkbd->reset < 0)
201 return -1;
202
203 sunkbd->type = sunkbd->reset;
204
205 if (sunkbd->type == 4) { /* Type 4 keyboard */
206 sunkbd->layout = -2;
207 serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
208 wait_event_interruptible_timeout(sunkbd->wait,
209 sunkbd->layout >= 0, HZ / 4);
210 if (sunkbd->layout < 0)
211 return -1;
212 if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
213 sunkbd->type = 5;
214 }
215
216 return 0;
217}
218
219/*
220 * sunkbd_reinit() sets leds and beeps to a state the computer remembers they
221 * were in.
222 */
223
224static void sunkbd_reinit(struct work_struct *work)
225{
226 struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq);
227
228 wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
229
230 serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
231 serio_write(sunkbd->serio,
232 (!!test_bit(LED_CAPSL, sunkbd->dev->led) << 3) |
233 (!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
234 (!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
235 !!test_bit(LED_NUML, sunkbd->dev->led));
236 serio_write(sunkbd->serio,
237 SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
238 serio_write(sunkbd->serio,
239 SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
240}
241
242static void sunkbd_enable(struct sunkbd *sunkbd, bool enable)
243{
244 serio_pause_rx(sunkbd->serio);
245 sunkbd->enabled = enable;
246 serio_continue_rx(sunkbd->serio);
247}
248
249/*
250 * sunkbd_connect() probes for a Sun keyboard and fills the necessary
251 * structures.
252 */
253
254static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
255{
256 struct sunkbd *sunkbd;
257 struct input_dev *input_dev;
258 int err = -ENOMEM;
259 int i;
260
261 sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL);
262 input_dev = input_allocate_device();
263 if (!sunkbd || !input_dev)
264 goto fail1;
265
266 sunkbd->serio = serio;
267 sunkbd->dev = input_dev;
268 init_waitqueue_head(&sunkbd->wait);
269 INIT_WORK(&sunkbd->tq, sunkbd_reinit);
270 snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys);
271
272 serio_set_drvdata(serio, sunkbd);
273
274 err = serio_open(serio, drv);
275 if (err)
276 goto fail2;
277
278 if (sunkbd_initialize(sunkbd) < 0) {
279 err = -ENODEV;
280 goto fail3;
281 }
282
283 snprintf(sunkbd->name, sizeof(sunkbd->name),
284 "Sun Type %d keyboard", sunkbd->type);
285 memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
286
287 input_dev->name = sunkbd->name;
288 input_dev->phys = sunkbd->phys;
289 input_dev->id.bustype = BUS_RS232;
290 input_dev->id.vendor = SERIO_SUNKBD;
291 input_dev->id.product = sunkbd->type;
292 input_dev->id.version = 0x0100;
293 input_dev->dev.parent = &serio->dev;
294
295 input_set_drvdata(input_dev, sunkbd);
296
297 input_dev->event = sunkbd_event;
298
299 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
300 BIT_MASK(EV_SND) | BIT_MASK(EV_REP);
301 input_dev->ledbit[0] = BIT_MASK(LED_CAPSL) | BIT_MASK(LED_COMPOSE) |
302 BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_NUML);
303 input_dev->sndbit[0] = BIT_MASK(SND_CLICK) | BIT_MASK(SND_BELL);
304
305 input_dev->keycode = sunkbd->keycode;
306 input_dev->keycodesize = sizeof(unsigned char);
307 input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode);
308 for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++)
309 __set_bit(sunkbd->keycode[i], input_dev->keybit);
310 __clear_bit(KEY_RESERVED, input_dev->keybit);
311
312 sunkbd_enable(sunkbd, true);
313
314 err = input_register_device(sunkbd->dev);
315 if (err)
316 goto fail4;
317
318 return 0;
319
320 fail4: sunkbd_enable(sunkbd, false);
321 fail3: serio_close(serio);
322 fail2: serio_set_drvdata(serio, NULL);
323 fail1: input_free_device(input_dev);
324 kfree(sunkbd);
325 return err;
326}
327
328/*
329 * sunkbd_disconnect() unregisters and closes behind us.
330 */
331
332static void sunkbd_disconnect(struct serio *serio)
333{
334 struct sunkbd *sunkbd = serio_get_drvdata(serio);
335
336 sunkbd_enable(sunkbd, false);
337 input_unregister_device(sunkbd->dev);
338 serio_close(serio);
339 serio_set_drvdata(serio, NULL);
340 kfree(sunkbd);
341}
342
343static struct serio_device_id sunkbd_serio_ids[] = {
344 {
345 .type = SERIO_RS232,
346 .proto = SERIO_SUNKBD,
347 .id = SERIO_ANY,
348 .extra = SERIO_ANY,
349 },
350 {
351 .type = SERIO_RS232,
352 .proto = SERIO_UNKNOWN, /* sunkbd does probe */
353 .id = SERIO_ANY,
354 .extra = SERIO_ANY,
355 },
356 { 0 }
357};
358
359MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids);
360
361static struct serio_driver sunkbd_drv = {
362 .driver = {
363 .name = "sunkbd",
364 },
365 .description = DRIVER_DESC,
366 .id_table = sunkbd_serio_ids,
367 .interrupt = sunkbd_interrupt,
368 .connect = sunkbd_connect,
369 .disconnect = sunkbd_disconnect,
370};
371
372/*
373 * The functions for insering/removing us as a module.
374 */
375
376static int __init sunkbd_init(void)
377{
378 return serio_register_driver(&sunkbd_drv);
379}
380
381static void __exit sunkbd_exit(void)
382{
383 serio_unregister_driver(&sunkbd_drv);
384}
385
386module_init(sunkbd_init);
387module_exit(sunkbd_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 1999-2001 Vojtech Pavlik
4 */
5
6/*
7 * Sun keyboard driver for Linux
8 */
9
10/*
11 */
12
13#include <linux/delay.h>
14#include <linux/sched.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <linux/interrupt.h>
18#include <linux/input.h>
19#include <linux/serio.h>
20#include <linux/workqueue.h>
21
22#define DRIVER_DESC "Sun keyboard driver"
23
24MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
25MODULE_DESCRIPTION(DRIVER_DESC);
26MODULE_LICENSE("GPL");
27
28static unsigned char sunkbd_keycode[128] = {
29 0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64,112,
30 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106, 1, 2, 3,
31 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 41, 14,110,113, 98, 55,
32 116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
33 26, 27,111,127, 71, 72, 73, 74,134,135,107, 0, 29, 30, 31, 32,
34 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136,
35 104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101,
36 79, 80, 81, 0, 0, 0,138, 58,125, 57,126,109, 86, 78
37};
38
39#define SUNKBD_CMD_RESET 0x1
40#define SUNKBD_CMD_BELLON 0x2
41#define SUNKBD_CMD_BELLOFF 0x3
42#define SUNKBD_CMD_CLICK 0xa
43#define SUNKBD_CMD_NOCLICK 0xb
44#define SUNKBD_CMD_SETLED 0xe
45#define SUNKBD_CMD_LAYOUT 0xf
46
47#define SUNKBD_RET_RESET 0xff
48#define SUNKBD_RET_ALLUP 0x7f
49#define SUNKBD_RET_LAYOUT 0xfe
50
51#define SUNKBD_LAYOUT_5_MASK 0x20
52#define SUNKBD_RELEASE 0x80
53#define SUNKBD_KEY 0x7f
54
55/*
56 * Per-keyboard data.
57 */
58
59struct sunkbd {
60 unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)];
61 struct input_dev *dev;
62 struct serio *serio;
63 struct work_struct tq;
64 wait_queue_head_t wait;
65 char name[64];
66 char phys[32];
67 char type;
68 bool enabled;
69 volatile s8 reset;
70 volatile s8 layout;
71};
72
73/*
74 * sunkbd_interrupt() is called by the low level driver when a character
75 * is received.
76 */
77
78static irqreturn_t sunkbd_interrupt(struct serio *serio,
79 unsigned char data, unsigned int flags)
80{
81 struct sunkbd *sunkbd = serio_get_drvdata(serio);
82
83 if (sunkbd->reset <= -1) {
84 /*
85 * If cp[i] is 0xff, sunkbd->reset will stay -1.
86 * The keyboard sends 0xff 0xff 0xID on powerup.
87 */
88 sunkbd->reset = data;
89 wake_up_interruptible(&sunkbd->wait);
90 goto out;
91 }
92
93 if (sunkbd->layout == -1) {
94 sunkbd->layout = data;
95 wake_up_interruptible(&sunkbd->wait);
96 goto out;
97 }
98
99 switch (data) {
100
101 case SUNKBD_RET_RESET:
102 if (sunkbd->enabled)
103 schedule_work(&sunkbd->tq);
104 sunkbd->reset = -1;
105 break;
106
107 case SUNKBD_RET_LAYOUT:
108 sunkbd->layout = -1;
109 break;
110
111 case SUNKBD_RET_ALLUP: /* All keys released */
112 break;
113
114 default:
115 if (!sunkbd->enabled)
116 break;
117
118 if (sunkbd->keycode[data & SUNKBD_KEY]) {
119 input_report_key(sunkbd->dev,
120 sunkbd->keycode[data & SUNKBD_KEY],
121 !(data & SUNKBD_RELEASE));
122 input_sync(sunkbd->dev);
123 } else {
124 printk(KERN_WARNING
125 "sunkbd.c: Unknown key (scancode %#x) %s.\n",
126 data & SUNKBD_KEY,
127 data & SUNKBD_RELEASE ? "released" : "pressed");
128 }
129 }
130out:
131 return IRQ_HANDLED;
132}
133
134/*
135 * sunkbd_event() handles events from the input module.
136 */
137
138static int sunkbd_event(struct input_dev *dev,
139 unsigned int type, unsigned int code, int value)
140{
141 struct sunkbd *sunkbd = input_get_drvdata(dev);
142
143 switch (type) {
144
145 case EV_LED:
146
147 serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
148 serio_write(sunkbd->serio,
149 (!!test_bit(LED_CAPSL, dev->led) << 3) |
150 (!!test_bit(LED_SCROLLL, dev->led) << 2) |
151 (!!test_bit(LED_COMPOSE, dev->led) << 1) |
152 !!test_bit(LED_NUML, dev->led));
153 return 0;
154
155 case EV_SND:
156
157 switch (code) {
158
159 case SND_CLICK:
160 serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
161 return 0;
162
163 case SND_BELL:
164 serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
165 return 0;
166 }
167
168 break;
169 }
170
171 return -1;
172}
173
174/*
175 * sunkbd_initialize() checks for a Sun keyboard attached, and determines
176 * its type.
177 */
178
179static int sunkbd_initialize(struct sunkbd *sunkbd)
180{
181 sunkbd->reset = -2;
182 serio_write(sunkbd->serio, SUNKBD_CMD_RESET);
183 wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
184 if (sunkbd->reset < 0)
185 return -1;
186
187 sunkbd->type = sunkbd->reset;
188
189 if (sunkbd->type == 4) { /* Type 4 keyboard */
190 sunkbd->layout = -2;
191 serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
192 wait_event_interruptible_timeout(sunkbd->wait,
193 sunkbd->layout >= 0, HZ / 4);
194 if (sunkbd->layout < 0)
195 return -1;
196 if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
197 sunkbd->type = 5;
198 }
199
200 return 0;
201}
202
203/*
204 * sunkbd_set_leds_beeps() sets leds and beeps to a state the computer remembers
205 * they were in.
206 */
207
208static void sunkbd_set_leds_beeps(struct sunkbd *sunkbd)
209{
210 serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
211 serio_write(sunkbd->serio,
212 (!!test_bit(LED_CAPSL, sunkbd->dev->led) << 3) |
213 (!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
214 (!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
215 !!test_bit(LED_NUML, sunkbd->dev->led));
216 serio_write(sunkbd->serio,
217 SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
218 serio_write(sunkbd->serio,
219 SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
220}
221
222
223/*
224 * sunkbd_reinit() wait for the keyboard reset to complete and restores state
225 * of leds and beeps.
226 */
227
228static void sunkbd_reinit(struct work_struct *work)
229{
230 struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq);
231
232 /*
233 * It is OK that we check sunkbd->enabled without pausing serio,
234 * as we only want to catch true->false transition that will
235 * happen once and we will be woken up for it.
236 */
237 wait_event_interruptible_timeout(sunkbd->wait,
238 sunkbd->reset >= 0 || !sunkbd->enabled,
239 HZ);
240
241 if (sunkbd->reset >= 0 && sunkbd->enabled)
242 sunkbd_set_leds_beeps(sunkbd);
243}
244
245static void sunkbd_enable(struct sunkbd *sunkbd, bool enable)
246{
247 serio_pause_rx(sunkbd->serio);
248 sunkbd->enabled = enable;
249 serio_continue_rx(sunkbd->serio);
250
251 if (!enable) {
252 wake_up_interruptible(&sunkbd->wait);
253 cancel_work_sync(&sunkbd->tq);
254 }
255}
256
257/*
258 * sunkbd_connect() probes for a Sun keyboard and fills the necessary
259 * structures.
260 */
261
262static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
263{
264 struct sunkbd *sunkbd;
265 struct input_dev *input_dev;
266 int err = -ENOMEM;
267 int i;
268
269 sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL);
270 input_dev = input_allocate_device();
271 if (!sunkbd || !input_dev)
272 goto fail1;
273
274 sunkbd->serio = serio;
275 sunkbd->dev = input_dev;
276 init_waitqueue_head(&sunkbd->wait);
277 INIT_WORK(&sunkbd->tq, sunkbd_reinit);
278 snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys);
279
280 serio_set_drvdata(serio, sunkbd);
281
282 err = serio_open(serio, drv);
283 if (err)
284 goto fail2;
285
286 if (sunkbd_initialize(sunkbd) < 0) {
287 err = -ENODEV;
288 goto fail3;
289 }
290
291 snprintf(sunkbd->name, sizeof(sunkbd->name),
292 "Sun Type %d keyboard", sunkbd->type);
293 memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
294
295 input_dev->name = sunkbd->name;
296 input_dev->phys = sunkbd->phys;
297 input_dev->id.bustype = BUS_RS232;
298 input_dev->id.vendor = SERIO_SUNKBD;
299 input_dev->id.product = sunkbd->type;
300 input_dev->id.version = 0x0100;
301 input_dev->dev.parent = &serio->dev;
302
303 input_set_drvdata(input_dev, sunkbd);
304
305 input_dev->event = sunkbd_event;
306
307 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
308 BIT_MASK(EV_SND) | BIT_MASK(EV_REP);
309 input_dev->ledbit[0] = BIT_MASK(LED_CAPSL) | BIT_MASK(LED_COMPOSE) |
310 BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_NUML);
311 input_dev->sndbit[0] = BIT_MASK(SND_CLICK) | BIT_MASK(SND_BELL);
312
313 input_dev->keycode = sunkbd->keycode;
314 input_dev->keycodesize = sizeof(unsigned char);
315 input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode);
316 for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++)
317 __set_bit(sunkbd->keycode[i], input_dev->keybit);
318 __clear_bit(KEY_RESERVED, input_dev->keybit);
319
320 sunkbd_enable(sunkbd, true);
321
322 err = input_register_device(sunkbd->dev);
323 if (err)
324 goto fail4;
325
326 return 0;
327
328 fail4: sunkbd_enable(sunkbd, false);
329 fail3: serio_close(serio);
330 fail2: serio_set_drvdata(serio, NULL);
331 fail1: input_free_device(input_dev);
332 kfree(sunkbd);
333 return err;
334}
335
336/*
337 * sunkbd_disconnect() unregisters and closes behind us.
338 */
339
340static void sunkbd_disconnect(struct serio *serio)
341{
342 struct sunkbd *sunkbd = serio_get_drvdata(serio);
343
344 sunkbd_enable(sunkbd, false);
345 input_unregister_device(sunkbd->dev);
346 serio_close(serio);
347 serio_set_drvdata(serio, NULL);
348 kfree(sunkbd);
349}
350
351static const struct serio_device_id sunkbd_serio_ids[] = {
352 {
353 .type = SERIO_RS232,
354 .proto = SERIO_SUNKBD,
355 .id = SERIO_ANY,
356 .extra = SERIO_ANY,
357 },
358 {
359 .type = SERIO_RS232,
360 .proto = SERIO_UNKNOWN, /* sunkbd does probe */
361 .id = SERIO_ANY,
362 .extra = SERIO_ANY,
363 },
364 { 0 }
365};
366
367MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids);
368
369static struct serio_driver sunkbd_drv = {
370 .driver = {
371 .name = "sunkbd",
372 },
373 .description = DRIVER_DESC,
374 .id_table = sunkbd_serio_ids,
375 .interrupt = sunkbd_interrupt,
376 .connect = sunkbd_connect,
377 .disconnect = sunkbd_disconnect,
378};
379
380module_serio_driver(sunkbd_drv);