1c35aa225Smarx /*
2c35aa225Smarx * CDDL HEADER START
3c35aa225Smarx *
4c35aa225Smarx * The contents of this file are subject to the terms of the
5c35aa225Smarx * Common Development and Distribution License (the "License").
6c35aa225Smarx * You may not use this file except in compliance with the License.
7c35aa225Smarx *
8c35aa225Smarx * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9c35aa225Smarx * or http://www.opensolaris.org/os/licensing.
10c35aa225Smarx * See the License for the specific language governing permissions
11c35aa225Smarx * and limitations under the License.
12c35aa225Smarx *
13c35aa225Smarx * When distributing Covered Code, include this CDDL HEADER in each
14c35aa225Smarx * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15c35aa225Smarx * If applicable, add the following below this CDDL HEADER, with the
16c35aa225Smarx * fields enclosed by brackets "[]" replaced with your own identifying
17c35aa225Smarx * information: Portions Copyright [yyyy] [name of copyright owner]
18c35aa225Smarx *
19c35aa225Smarx * CDDL HEADER END
20c35aa225Smarx */
21c35aa225Smarx /*
22613b2871SRichard Bean * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23c35aa225Smarx * Use is subject to license terms.
24c35aa225Smarx */
25c35aa225Smarx
26c35aa225Smarx /*
27c35aa225Smarx * Simple beeper support for PC platform, using standard timer 2 beeper.
28c35aa225Smarx */
29c35aa225Smarx
30c35aa225Smarx #include <sys/types.h>
31c35aa225Smarx #include <sys/conf.h>
32c35aa225Smarx #include <sys/beep.h>
33c35aa225Smarx #include <sys/ksynch.h>
34c35aa225Smarx #include <sys/ddi.h>
35c35aa225Smarx #include <sys/sunddi.h>
36c35aa225Smarx #include <sys/modctl.h>
37c35aa225Smarx #include <sys/pit.h>
38c35aa225Smarx #include <sys/inttypes.h>
39c35aa225Smarx
40c35aa225Smarx #define PIT_BEEP_UNIT(dev) (getminor((dev)))
41c35aa225Smarx
42c35aa225Smarx typedef struct pit_beep_state {
43c35aa225Smarx /* Dip of pit_beep device */
44c35aa225Smarx dev_info_t *dip;
45c35aa225Smarx
46c35aa225Smarx } pit_beep_state_t;
47c35aa225Smarx
48c35aa225Smarx #define PIT_BEEP_ON 1
49c35aa225Smarx #define PIT_BEEP_OFF 0
50c35aa225Smarx
51c35aa225Smarx /* Pointer to the state structure */
52c35aa225Smarx static void *pit_beep_statep;
53c35aa225Smarx
54c35aa225Smarx static int pit_beep_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
55c35aa225Smarx static int pit_beep_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
56c35aa225Smarx static int pit_beep_info(dev_info_t *dip, ddi_info_cmd_t infocmd,
57c35aa225Smarx void *arg, void **result);
58c35aa225Smarx static void pit_beep_freq(void *arg, int freq);
59c35aa225Smarx static void pit_beep_on(void *arg);
60c35aa225Smarx static void pit_beep_off(void *arg);
61c35aa225Smarx
62c35aa225Smarx struct cb_ops pit_beep_cb_ops = {
63c35aa225Smarx nulldev, /* open */
64c35aa225Smarx nulldev, /* close */
65c35aa225Smarx nulldev, /* strategy */
66c35aa225Smarx nulldev, /* print */
67c35aa225Smarx nulldev, /* dump */
68c35aa225Smarx nulldev, /* read */
69c35aa225Smarx nulldev, /* write */
70c35aa225Smarx nulldev, /* ioctl */
71c35aa225Smarx nulldev, /* devmap */
72c35aa225Smarx nulldev, /* mmap */
73c35aa225Smarx nulldev, /* segmap */
74c35aa225Smarx nochpoll, /* poll */
75c35aa225Smarx ddi_prop_op, /* cb_prop_op */
76c35aa225Smarx NULL, /* streamtab */
77c35aa225Smarx D_MP | D_NEW
78c35aa225Smarx };
79c35aa225Smarx
80c35aa225Smarx
81c35aa225Smarx static struct dev_ops pit_beep_ops = {
82c35aa225Smarx DEVO_REV, /* Devo_rev */
83c35aa225Smarx 0, /* Refcnt */
84c35aa225Smarx pit_beep_info, /* Info */
85c35aa225Smarx nulldev, /* Identify */
86c35aa225Smarx nulldev, /* Probe */
87c35aa225Smarx pit_beep_attach, /* Attach */
88c35aa225Smarx pit_beep_detach, /* Detach */
89c35aa225Smarx nodev, /* Reset */
90c35aa225Smarx &pit_beep_cb_ops, /* Driver operations */
91c35aa225Smarx 0, /* Bus operations */
92*19397407SSherry Moore NULL, /* Power */
93*19397407SSherry Moore ddi_quiesce_not_needed, /* quiesce */
94c35aa225Smarx };
95c35aa225Smarx
96c35aa225Smarx
97c35aa225Smarx static struct modldrv modldrv = {
98c35aa225Smarx &mod_driverops, /* This one is a driver */
99613b2871SRichard Bean "Intel Pit_beep Driver", /* Name of the module. */
100c35aa225Smarx &pit_beep_ops, /* Driver ops */
101c35aa225Smarx };
102c35aa225Smarx
103c35aa225Smarx
104c35aa225Smarx static struct modlinkage modlinkage = {
105c35aa225Smarx MODREV_1, (void *)&modldrv, NULL
106c35aa225Smarx };
107c35aa225Smarx
108c35aa225Smarx
109c35aa225Smarx
110c35aa225Smarx int
_init(void)111c35aa225Smarx _init(void)
112c35aa225Smarx {
113c35aa225Smarx int error;
114c35aa225Smarx
115c35aa225Smarx /* Initialize the soft state structures */
116c35aa225Smarx if ((error = ddi_soft_state_init(&pit_beep_statep,
117c35aa225Smarx sizeof (pit_beep_state_t), 1)) != 0) {
118c35aa225Smarx
119c35aa225Smarx return (error);
120c35aa225Smarx }
121c35aa225Smarx
122c35aa225Smarx /* Install the loadable module */
123c35aa225Smarx if ((error = mod_install(&modlinkage)) != 0) {
124c35aa225Smarx ddi_soft_state_fini(&pit_beep_statep);
125c35aa225Smarx }
126c35aa225Smarx
127c35aa225Smarx return (error);
128c35aa225Smarx }
129c35aa225Smarx
130c35aa225Smarx
131c35aa225Smarx int
_info(struct modinfo * modinfop)132c35aa225Smarx _info(struct modinfo *modinfop)
133c35aa225Smarx {
134c35aa225Smarx return (mod_info(&modlinkage, modinfop));
135c35aa225Smarx }
136c35aa225Smarx
137c35aa225Smarx int
_fini(void)138c35aa225Smarx _fini(void)
139c35aa225Smarx {
140c35aa225Smarx int error;
141c35aa225Smarx
142c35aa225Smarx error = mod_remove(&modlinkage);
143c35aa225Smarx
144c35aa225Smarx if (error == 0) {
145c35aa225Smarx /* Release per module resources */
146c35aa225Smarx ddi_soft_state_fini(&pit_beep_statep);
147c35aa225Smarx }
148c35aa225Smarx
149c35aa225Smarx return (error);
150c35aa225Smarx }
151c35aa225Smarx
152c35aa225Smarx /*
153c35aa225Smarx * pit_beep_attach:
154c35aa225Smarx */
155c35aa225Smarx static int
pit_beep_attach(dev_info_t * dip,ddi_attach_cmd_t cmd)156c35aa225Smarx pit_beep_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
157c35aa225Smarx {
158c35aa225Smarx switch (cmd) {
159c35aa225Smarx case DDI_ATTACH:
160c35aa225Smarx break;
161c35aa225Smarx case DDI_RESUME:
162c35aa225Smarx
163c35aa225Smarx return (DDI_SUCCESS);
164c35aa225Smarx default:
165c35aa225Smarx
166c35aa225Smarx return (DDI_FAILURE);
167c35aa225Smarx }
168c35aa225Smarx
169c35aa225Smarx pit_beep_off(dip);
170c35aa225Smarx
171c35aa225Smarx (void) beep_init((void *)dip, pit_beep_on, pit_beep_off,
172c35aa225Smarx pit_beep_freq);
173c35aa225Smarx
174c35aa225Smarx /* Display information in the banner */
175c35aa225Smarx ddi_report_dev(dip);
176c35aa225Smarx
177c35aa225Smarx return (DDI_SUCCESS);
178c35aa225Smarx }
179c35aa225Smarx
180c35aa225Smarx
181c35aa225Smarx /*
182c35aa225Smarx * pit_beep_detach:
183c35aa225Smarx */
184c35aa225Smarx /* ARGSUSED */
185c35aa225Smarx static int
pit_beep_detach(dev_info_t * dip,ddi_detach_cmd_t cmd)186c35aa225Smarx pit_beep_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
187c35aa225Smarx {
188c35aa225Smarx switch (cmd) {
189c35aa225Smarx case DDI_SUSPEND:
190c35aa225Smarx
191c35aa225Smarx /*
192c35aa225Smarx * If a beep is in progress; fail suspend
193c35aa225Smarx */
194c35aa225Smarx if (!beep_busy()) {
195c35aa225Smarx
196c35aa225Smarx return (DDI_SUCCESS);
197c35aa225Smarx } else {
198c35aa225Smarx
199c35aa225Smarx return (DDI_FAILURE);
200c35aa225Smarx }
201c35aa225Smarx default:
202c35aa225Smarx
203c35aa225Smarx return (DDI_FAILURE);
204c35aa225Smarx }
205c35aa225Smarx }
206c35aa225Smarx
207c35aa225Smarx
208c35aa225Smarx /*
209c35aa225Smarx * pit_beep_info:
210c35aa225Smarx */
211c35aa225Smarx /* ARGSUSED */
212c35aa225Smarx static int
pit_beep_info(dev_info_t * dip,ddi_info_cmd_t infocmd,void * arg,void ** result)213c35aa225Smarx pit_beep_info(dev_info_t *dip, ddi_info_cmd_t infocmd,
214c35aa225Smarx void *arg, void **result)
215c35aa225Smarx {
216c35aa225Smarx dev_t dev;
217c35aa225Smarx pit_beep_state_t *statep;
218c35aa225Smarx int instance, error;
219c35aa225Smarx
220c35aa225Smarx switch (infocmd) {
221c35aa225Smarx case DDI_INFO_DEVT2DEVINFO:
222c35aa225Smarx dev = (dev_t)arg;
223c35aa225Smarx instance = PIT_BEEP_UNIT(dev);
224c35aa225Smarx
225c35aa225Smarx if ((statep = ddi_get_soft_state(pit_beep_statep,
226c35aa225Smarx instance)) == NULL) {
227c35aa225Smarx
228c35aa225Smarx return (DDI_FAILURE);
229c35aa225Smarx }
230c35aa225Smarx
231c35aa225Smarx *result = (void *)statep->dip;
232c35aa225Smarx
233c35aa225Smarx error = DDI_SUCCESS;
234c35aa225Smarx break;
235c35aa225Smarx case DDI_INFO_DEVT2INSTANCE:
236c35aa225Smarx dev = (dev_t)arg;
237c35aa225Smarx instance = PIT_BEEP_UNIT(dev);
238c35aa225Smarx
239c35aa225Smarx *result = (void *)(uintptr_t)instance;
240c35aa225Smarx
241c35aa225Smarx error = DDI_SUCCESS;
242c35aa225Smarx break;
243c35aa225Smarx default:
244c35aa225Smarx error = DDI_FAILURE;
245c35aa225Smarx
246c35aa225Smarx }
247c35aa225Smarx
248c35aa225Smarx return (error);
249c35aa225Smarx }
250c35aa225Smarx
251c35aa225Smarx
252c35aa225Smarx /* ARGSUSED */
253c35aa225Smarx static void
pit_beep_freq(void * arg,int freq)254c35aa225Smarx pit_beep_freq(void *arg, int freq)
255c35aa225Smarx {
256c35aa225Smarx int counter;
257c35aa225Smarx
258c35aa225Smarx if (freq == 0)
259c35aa225Smarx counter = 0;
260c35aa225Smarx else {
261c35aa225Smarx counter = PIT_HZ / freq;
262c35aa225Smarx if (counter > UINT16_MAX)
263c35aa225Smarx counter = UINT16_MAX;
264c35aa225Smarx else if (counter < 1)
265c35aa225Smarx counter = 1;
266c35aa225Smarx }
267c35aa225Smarx
268c35aa225Smarx outb(PITCTL_PORT, PIT_C2 | PIT_READMODE | PIT_RATEMODE);
269c35aa225Smarx outb(PITCTR2_PORT, counter & 0xff);
270c35aa225Smarx outb(PITCTR2_PORT, counter >> 8);
271c35aa225Smarx }
272c35aa225Smarx
273c35aa225Smarx
274c35aa225Smarx /* ARGSUSED */
275c35aa225Smarx static void
pit_beep_on(void * arg)276c35aa225Smarx pit_beep_on(void *arg)
277c35aa225Smarx {
278c35aa225Smarx outb(PITAUX_PORT, inb(PITAUX_PORT) | (PITAUX_OUT2 | PITAUX_GATE2));
279c35aa225Smarx }
280c35aa225Smarx
281c35aa225Smarx
282c35aa225Smarx /* ARGSUSED */
283c35aa225Smarx static void
pit_beep_off(void * arg)284c35aa225Smarx pit_beep_off(void *arg)
285c35aa225Smarx {
286c35aa225Smarx outb(PITAUX_PORT, inb(PITAUX_PORT) & ~(PITAUX_OUT2 | PITAUX_GATE2));
287c35aa225Smarx }
288