Linux Audio

Check our new training course

Loading...
v6.2
  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#include <linux/delay.h>
 11#include <linux/sched.h>
 12#include <linux/slab.h>
 13#include <linux/module.h>
 14#include <linux/interrupt.h>
 15#include <linux/input.h>
 16#include <linux/serio.h>
 17#include <linux/workqueue.h>
 18
 19#define DRIVER_DESC	"Sun keyboard driver"
 20
 21MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 22MODULE_DESCRIPTION(DRIVER_DESC);
 23MODULE_LICENSE("GPL");
 24
 25static unsigned char sunkbd_keycode[128] = {
 26	  0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64,112,
 27	 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106,  1,  2,  3,
 28	  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 41, 14,110,113, 98, 55,
 29	116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
 30	 26, 27,111,127, 71, 72, 73, 74,134,135,107,  0, 29, 30, 31, 32,
 31	 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136,
 32	104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101,
 33	 79, 80, 81,  0,  0,  0,138, 58,125, 57,126,109, 86, 78
 34};
 35
 36#define SUNKBD_CMD_RESET	0x1
 37#define SUNKBD_CMD_BELLON	0x2
 38#define SUNKBD_CMD_BELLOFF	0x3
 39#define SUNKBD_CMD_CLICK	0xa
 40#define SUNKBD_CMD_NOCLICK	0xb
 41#define SUNKBD_CMD_SETLED	0xe
 42#define SUNKBD_CMD_LAYOUT	0xf
 43
 44#define SUNKBD_RET_RESET	0xff
 45#define SUNKBD_RET_ALLUP	0x7f
 46#define SUNKBD_RET_LAYOUT	0xfe
 47
 48#define SUNKBD_LAYOUT_5_MASK	0x20
 49#define SUNKBD_RELEASE		0x80
 50#define SUNKBD_KEY		0x7f
 51
 52/*
 53 * Per-keyboard data.
 54 */
 55
 56struct sunkbd {
 57	unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)];
 58	struct input_dev *dev;
 59	struct serio *serio;
 60	struct work_struct tq;
 61	wait_queue_head_t wait;
 62	char name[64];
 63	char phys[32];
 64	char type;
 65	bool enabled;
 66	volatile s8 reset;
 67	volatile s8 layout;
 68};
 69
 70/*
 71 * sunkbd_interrupt() is called by the low level driver when a character
 72 * is received.
 73 */
 74
 75static irqreturn_t sunkbd_interrupt(struct serio *serio,
 76		unsigned char data, unsigned int flags)
 77{
 78	struct sunkbd *sunkbd = serio_get_drvdata(serio);
 79
 80	if (sunkbd->reset <= -1) {
 81		/*
 82		 * If cp[i] is 0xff, sunkbd->reset will stay -1.
 83		 * The keyboard sends 0xff 0xff 0xID on powerup.
 84		 */
 85		sunkbd->reset = data;
 86		wake_up_interruptible(&sunkbd->wait);
 87		goto out;
 88	}
 89
 90	if (sunkbd->layout == -1) {
 91		sunkbd->layout = data;
 92		wake_up_interruptible(&sunkbd->wait);
 93		goto out;
 94	}
 95
 96	switch (data) {
 97
 98	case SUNKBD_RET_RESET:
 99		if (sunkbd->enabled)
100			schedule_work(&sunkbd->tq);
101		sunkbd->reset = -1;
102		break;
103
104	case SUNKBD_RET_LAYOUT:
105		sunkbd->layout = -1;
106		break;
107
108	case SUNKBD_RET_ALLUP: /* All keys released */
109		break;
110
111	default:
112		if (!sunkbd->enabled)
113			break;
114
115		if (sunkbd->keycode[data & SUNKBD_KEY]) {
116			input_report_key(sunkbd->dev,
117					 sunkbd->keycode[data & SUNKBD_KEY],
118					 !(data & SUNKBD_RELEASE));
119			input_sync(sunkbd->dev);
120		} else {
121			printk(KERN_WARNING
122				"sunkbd.c: Unknown key (scancode %#x) %s.\n",
123				data & SUNKBD_KEY,
124				data & SUNKBD_RELEASE ? "released" : "pressed");
125		}
126	}
127out:
128	return IRQ_HANDLED;
129}
130
131/*
132 * sunkbd_event() handles events from the input module.
133 */
134
135static int sunkbd_event(struct input_dev *dev,
136			unsigned int type, unsigned int code, int value)
137{
138	struct sunkbd *sunkbd = input_get_drvdata(dev);
139
140	switch (type) {
141
142	case EV_LED:
143
144		serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
145		serio_write(sunkbd->serio,
146			(!!test_bit(LED_CAPSL,   dev->led) << 3) |
147			(!!test_bit(LED_SCROLLL, dev->led) << 2) |
148			(!!test_bit(LED_COMPOSE, dev->led) << 1) |
149			 !!test_bit(LED_NUML,    dev->led));
150		return 0;
151
152	case EV_SND:
153
154		switch (code) {
155
156		case SND_CLICK:
157			serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
158			return 0;
159
160		case SND_BELL:
161			serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
162			return 0;
163		}
164
165		break;
166	}
167
168	return -1;
169}
170
171/*
172 * sunkbd_initialize() checks for a Sun keyboard attached, and determines
173 * its type.
174 */
175
176static int sunkbd_initialize(struct sunkbd *sunkbd)
177{
178	sunkbd->reset = -2;
179	serio_write(sunkbd->serio, SUNKBD_CMD_RESET);
180	wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
181	if (sunkbd->reset < 0)
182		return -1;
183
184	sunkbd->type = sunkbd->reset;
185
186	if (sunkbd->type == 4) {	/* Type 4 keyboard */
187		sunkbd->layout = -2;
188		serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
189		wait_event_interruptible_timeout(sunkbd->wait,
190						 sunkbd->layout >= 0, HZ / 4);
191		if (sunkbd->layout < 0)
192			return -1;
193		if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
194			sunkbd->type = 5;
195	}
196
197	return 0;
198}
199
200/*
201 * sunkbd_set_leds_beeps() sets leds and beeps to a state the computer remembers
202 * they were in.
203 */
204
205static void sunkbd_set_leds_beeps(struct sunkbd *sunkbd)
206{
 
 
 
 
207	serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
208	serio_write(sunkbd->serio,
209		(!!test_bit(LED_CAPSL,   sunkbd->dev->led) << 3) |
210		(!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
211		(!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
212		 !!test_bit(LED_NUML,    sunkbd->dev->led));
213	serio_write(sunkbd->serio,
214		SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
215	serio_write(sunkbd->serio,
216		SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
217}
218
219
220/*
221 * sunkbd_reinit() wait for the keyboard reset to complete and restores state
222 * of leds and beeps.
223 */
224
225static void sunkbd_reinit(struct work_struct *work)
226{
227	struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq);
228
229	/*
230	 * It is OK that we check sunkbd->enabled without pausing serio,
231	 * as we only want to catch true->false transition that will
232	 * happen once and we will be woken up for it.
233	 */
234	wait_event_interruptible_timeout(sunkbd->wait,
235					 sunkbd->reset >= 0 || !sunkbd->enabled,
236					 HZ);
237
238	if (sunkbd->reset >= 0 && sunkbd->enabled)
239		sunkbd_set_leds_beeps(sunkbd);
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	if (!enable) {
249		wake_up_interruptible(&sunkbd->wait);
250		cancel_work_sync(&sunkbd->tq);
251	}
252}
253
254/*
255 * sunkbd_connect() probes for a Sun keyboard and fills the necessary
256 * structures.
257 */
258
259static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
260{
261	struct sunkbd *sunkbd;
262	struct input_dev *input_dev;
263	int err = -ENOMEM;
264	int i;
265
266	sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL);
267	input_dev = input_allocate_device();
268	if (!sunkbd || !input_dev)
269		goto fail1;
270
271	sunkbd->serio = serio;
272	sunkbd->dev = input_dev;
273	init_waitqueue_head(&sunkbd->wait);
274	INIT_WORK(&sunkbd->tq, sunkbd_reinit);
275	snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys);
276
277	serio_set_drvdata(serio, sunkbd);
278
279	err = serio_open(serio, drv);
280	if (err)
281		goto fail2;
282
283	if (sunkbd_initialize(sunkbd) < 0) {
284		err = -ENODEV;
285		goto fail3;
286	}
287
288	snprintf(sunkbd->name, sizeof(sunkbd->name),
289		 "Sun Type %d keyboard", sunkbd->type);
290	memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
291
292	input_dev->name = sunkbd->name;
293	input_dev->phys = sunkbd->phys;
294	input_dev->id.bustype = BUS_RS232;
295	input_dev->id.vendor  = SERIO_SUNKBD;
296	input_dev->id.product = sunkbd->type;
297	input_dev->id.version = 0x0100;
298	input_dev->dev.parent = &serio->dev;
299
300	input_set_drvdata(input_dev, sunkbd);
301
302	input_dev->event = sunkbd_event;
303
304	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
305		BIT_MASK(EV_SND) | BIT_MASK(EV_REP);
306	input_dev->ledbit[0] = BIT_MASK(LED_CAPSL) | BIT_MASK(LED_COMPOSE) |
307		BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_NUML);
308	input_dev->sndbit[0] = BIT_MASK(SND_CLICK) | BIT_MASK(SND_BELL);
309
310	input_dev->keycode = sunkbd->keycode;
311	input_dev->keycodesize = sizeof(unsigned char);
312	input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode);
313	for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++)
314		__set_bit(sunkbd->keycode[i], input_dev->keybit);
315	__clear_bit(KEY_RESERVED, input_dev->keybit);
316
317	sunkbd_enable(sunkbd, true);
318
319	err = input_register_device(sunkbd->dev);
320	if (err)
321		goto fail4;
322
323	return 0;
324
325 fail4:	sunkbd_enable(sunkbd, false);
326 fail3:	serio_close(serio);
327 fail2:	serio_set_drvdata(serio, NULL);
328 fail1:	input_free_device(input_dev);
329	kfree(sunkbd);
330	return err;
331}
332
333/*
334 * sunkbd_disconnect() unregisters and closes behind us.
335 */
336
337static void sunkbd_disconnect(struct serio *serio)
338{
339	struct sunkbd *sunkbd = serio_get_drvdata(serio);
340
341	sunkbd_enable(sunkbd, false);
342	input_unregister_device(sunkbd->dev);
343	serio_close(serio);
344	serio_set_drvdata(serio, NULL);
345	kfree(sunkbd);
346}
347
348static const struct serio_device_id sunkbd_serio_ids[] = {
349	{
350		.type	= SERIO_RS232,
351		.proto	= SERIO_SUNKBD,
352		.id	= SERIO_ANY,
353		.extra	= SERIO_ANY,
354	},
355	{
356		.type	= SERIO_RS232,
357		.proto	= SERIO_UNKNOWN, /* sunkbd does probe */
358		.id	= SERIO_ANY,
359		.extra	= SERIO_ANY,
360	},
361	{ 0 }
362};
363
364MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids);
365
366static struct serio_driver sunkbd_drv = {
367	.driver		= {
368		.name	= "sunkbd",
369	},
370	.description	= DRIVER_DESC,
371	.id_table	= sunkbd_serio_ids,
372	.interrupt	= sunkbd_interrupt,
373	.connect	= sunkbd_connect,
374	.disconnect	= sunkbd_disconnect,
375};
376
377module_serio_driver(sunkbd_drv);
v4.17
 
  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/input.h>
 35#include <linux/serio.h>
 36#include <linux/workqueue.h>
 37
 38#define DRIVER_DESC	"Sun keyboard driver"
 39
 40MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 41MODULE_DESCRIPTION(DRIVER_DESC);
 42MODULE_LICENSE("GPL");
 43
 44static unsigned char sunkbd_keycode[128] = {
 45	  0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64,112,
 46	 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106,  1,  2,  3,
 47	  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 41, 14,110,113, 98, 55,
 48	116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
 49	 26, 27,111,127, 71, 72, 73, 74,134,135,107,  0, 29, 30, 31, 32,
 50	 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136,
 51	104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101,
 52	 79, 80, 81,  0,  0,  0,138, 58,125, 57,126,109, 86, 78
 53};
 54
 55#define SUNKBD_CMD_RESET	0x1
 56#define SUNKBD_CMD_BELLON	0x2
 57#define SUNKBD_CMD_BELLOFF	0x3
 58#define SUNKBD_CMD_CLICK	0xa
 59#define SUNKBD_CMD_NOCLICK	0xb
 60#define SUNKBD_CMD_SETLED	0xe
 61#define SUNKBD_CMD_LAYOUT	0xf
 62
 63#define SUNKBD_RET_RESET	0xff
 64#define SUNKBD_RET_ALLUP	0x7f
 65#define SUNKBD_RET_LAYOUT	0xfe
 66
 67#define SUNKBD_LAYOUT_5_MASK	0x20
 68#define SUNKBD_RELEASE		0x80
 69#define SUNKBD_KEY		0x7f
 70
 71/*
 72 * Per-keyboard data.
 73 */
 74
 75struct sunkbd {
 76	unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)];
 77	struct input_dev *dev;
 78	struct serio *serio;
 79	struct work_struct tq;
 80	wait_queue_head_t wait;
 81	char name[64];
 82	char phys[32];
 83	char type;
 84	bool enabled;
 85	volatile s8 reset;
 86	volatile s8 layout;
 87};
 88
 89/*
 90 * sunkbd_interrupt() is called by the low level driver when a character
 91 * is received.
 92 */
 93
 94static irqreturn_t sunkbd_interrupt(struct serio *serio,
 95		unsigned char data, unsigned int flags)
 96{
 97	struct sunkbd *sunkbd = serio_get_drvdata(serio);
 98
 99	if (sunkbd->reset <= -1) {
100		/*
101		 * If cp[i] is 0xff, sunkbd->reset will stay -1.
102		 * The keyboard sends 0xff 0xff 0xID on powerup.
103		 */
104		sunkbd->reset = data;
105		wake_up_interruptible(&sunkbd->wait);
106		goto out;
107	}
108
109	if (sunkbd->layout == -1) {
110		sunkbd->layout = data;
111		wake_up_interruptible(&sunkbd->wait);
112		goto out;
113	}
114
115	switch (data) {
116
117	case SUNKBD_RET_RESET:
118		schedule_work(&sunkbd->tq);
 
119		sunkbd->reset = -1;
120		break;
121
122	case SUNKBD_RET_LAYOUT:
123		sunkbd->layout = -1;
124		break;
125
126	case SUNKBD_RET_ALLUP: /* All keys released */
127		break;
128
129	default:
130		if (!sunkbd->enabled)
131			break;
132
133		if (sunkbd->keycode[data & SUNKBD_KEY]) {
134			input_report_key(sunkbd->dev,
135					 sunkbd->keycode[data & SUNKBD_KEY],
136					 !(data & SUNKBD_RELEASE));
137			input_sync(sunkbd->dev);
138		} else {
139			printk(KERN_WARNING
140				"sunkbd.c: Unknown key (scancode %#x) %s.\n",
141				data & SUNKBD_KEY,
142				data & SUNKBD_RELEASE ? "released" : "pressed");
143		}
144	}
145out:
146	return IRQ_HANDLED;
147}
148
149/*
150 * sunkbd_event() handles events from the input module.
151 */
152
153static int sunkbd_event(struct input_dev *dev,
154			unsigned int type, unsigned int code, int value)
155{
156	struct sunkbd *sunkbd = input_get_drvdata(dev);
157
158	switch (type) {
159
160	case EV_LED:
161
162		serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
163		serio_write(sunkbd->serio,
164			(!!test_bit(LED_CAPSL,   dev->led) << 3) |
165			(!!test_bit(LED_SCROLLL, dev->led) << 2) |
166			(!!test_bit(LED_COMPOSE, dev->led) << 1) |
167			 !!test_bit(LED_NUML,    dev->led));
168		return 0;
169
170	case EV_SND:
171
172		switch (code) {
173
174		case SND_CLICK:
175			serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
176			return 0;
177
178		case SND_BELL:
179			serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
180			return 0;
181		}
182
183		break;
184	}
185
186	return -1;
187}
188
189/*
190 * sunkbd_initialize() checks for a Sun keyboard attached, and determines
191 * its type.
192 */
193
194static int sunkbd_initialize(struct sunkbd *sunkbd)
195{
196	sunkbd->reset = -2;
197	serio_write(sunkbd->serio, SUNKBD_CMD_RESET);
198	wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
199	if (sunkbd->reset < 0)
200		return -1;
201
202	sunkbd->type = sunkbd->reset;
203
204	if (sunkbd->type == 4) {	/* Type 4 keyboard */
205		sunkbd->layout = -2;
206		serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
207		wait_event_interruptible_timeout(sunkbd->wait,
208						 sunkbd->layout >= 0, HZ / 4);
209		if (sunkbd->layout < 0)
210			return -1;
211		if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
212			sunkbd->type = 5;
213	}
214
215	return 0;
216}
217
218/*
219 * sunkbd_reinit() sets leds and beeps to a state the computer remembers they
220 * were in.
221 */
222
223static void sunkbd_reinit(struct work_struct *work)
224{
225	struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq);
226
227	wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
228
229	serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
230	serio_write(sunkbd->serio,
231		(!!test_bit(LED_CAPSL,   sunkbd->dev->led) << 3) |
232		(!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
233		(!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
234		 !!test_bit(LED_NUML,    sunkbd->dev->led));
235	serio_write(sunkbd->serio,
236		SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
237	serio_write(sunkbd->serio,
238		SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
239}
240
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
241static void sunkbd_enable(struct sunkbd *sunkbd, bool enable)
242{
243	serio_pause_rx(sunkbd->serio);
244	sunkbd->enabled = enable;
245	serio_continue_rx(sunkbd->serio);
 
 
 
 
 
246}
247
248/*
249 * sunkbd_connect() probes for a Sun keyboard and fills the necessary
250 * structures.
251 */
252
253static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
254{
255	struct sunkbd *sunkbd;
256	struct input_dev *input_dev;
257	int err = -ENOMEM;
258	int i;
259
260	sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL);
261	input_dev = input_allocate_device();
262	if (!sunkbd || !input_dev)
263		goto fail1;
264
265	sunkbd->serio = serio;
266	sunkbd->dev = input_dev;
267	init_waitqueue_head(&sunkbd->wait);
268	INIT_WORK(&sunkbd->tq, sunkbd_reinit);
269	snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys);
270
271	serio_set_drvdata(serio, sunkbd);
272
273	err = serio_open(serio, drv);
274	if (err)
275		goto fail2;
276
277	if (sunkbd_initialize(sunkbd) < 0) {
278		err = -ENODEV;
279		goto fail3;
280	}
281
282	snprintf(sunkbd->name, sizeof(sunkbd->name),
283		 "Sun Type %d keyboard", sunkbd->type);
284	memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
285
286	input_dev->name = sunkbd->name;
287	input_dev->phys = sunkbd->phys;
288	input_dev->id.bustype = BUS_RS232;
289	input_dev->id.vendor  = SERIO_SUNKBD;
290	input_dev->id.product = sunkbd->type;
291	input_dev->id.version = 0x0100;
292	input_dev->dev.parent = &serio->dev;
293
294	input_set_drvdata(input_dev, sunkbd);
295
296	input_dev->event = sunkbd_event;
297
298	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
299		BIT_MASK(EV_SND) | BIT_MASK(EV_REP);
300	input_dev->ledbit[0] = BIT_MASK(LED_CAPSL) | BIT_MASK(LED_COMPOSE) |
301		BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_NUML);
302	input_dev->sndbit[0] = BIT_MASK(SND_CLICK) | BIT_MASK(SND_BELL);
303
304	input_dev->keycode = sunkbd->keycode;
305	input_dev->keycodesize = sizeof(unsigned char);
306	input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode);
307	for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++)
308		__set_bit(sunkbd->keycode[i], input_dev->keybit);
309	__clear_bit(KEY_RESERVED, input_dev->keybit);
310
311	sunkbd_enable(sunkbd, true);
312
313	err = input_register_device(sunkbd->dev);
314	if (err)
315		goto fail4;
316
317	return 0;
318
319 fail4:	sunkbd_enable(sunkbd, false);
320 fail3:	serio_close(serio);
321 fail2:	serio_set_drvdata(serio, NULL);
322 fail1:	input_free_device(input_dev);
323	kfree(sunkbd);
324	return err;
325}
326
327/*
328 * sunkbd_disconnect() unregisters and closes behind us.
329 */
330
331static void sunkbd_disconnect(struct serio *serio)
332{
333	struct sunkbd *sunkbd = serio_get_drvdata(serio);
334
335	sunkbd_enable(sunkbd, false);
336	input_unregister_device(sunkbd->dev);
337	serio_close(serio);
338	serio_set_drvdata(serio, NULL);
339	kfree(sunkbd);
340}
341
342static const struct serio_device_id sunkbd_serio_ids[] = {
343	{
344		.type	= SERIO_RS232,
345		.proto	= SERIO_SUNKBD,
346		.id	= SERIO_ANY,
347		.extra	= SERIO_ANY,
348	},
349	{
350		.type	= SERIO_RS232,
351		.proto	= SERIO_UNKNOWN, /* sunkbd does probe */
352		.id	= SERIO_ANY,
353		.extra	= SERIO_ANY,
354	},
355	{ 0 }
356};
357
358MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids);
359
360static struct serio_driver sunkbd_drv = {
361	.driver		= {
362		.name	= "sunkbd",
363	},
364	.description	= DRIVER_DESC,
365	.id_table	= sunkbd_serio_ids,
366	.interrupt	= sunkbd_interrupt,
367	.connect	= sunkbd_connect,
368	.disconnect	= sunkbd_disconnect,
369};
370
371module_serio_driver(sunkbd_drv);