1 /*-
2 * pccard noise interface.
3 * Nate Williams, October 1997.
4 * This file is in the public domain.
5 */
6 /* $FreeBSD$ */
7
8 #include <sys/param.h>
9 #include <sys/kernel.h>
10 #include <sys/systm.h>
11
12 #include <machine/clock.h>
13
14 #include <pccard/driver.h>
15
16 static enum beepstate allow_beep = BEEP_OFF;
17 static int melody_type = 0;
18
19 #define MAX_TONE_MODE 3
20 #define MAX_STATE 4
21
22 struct tone {
23 int pitch;
24 int duration;
25 };
26
27 static struct tone silent_beep[] = {
28 {0, 0}
29 };
30
31 static struct tone success_beep[] = {
32 {1200, 40}, {0, 0}
33 };
34 static struct tone failure_beep[] = {
35 {3200, 40}, {0, 0}
36 };
37 static struct tone insert_remove_beep[] = {
38 {1600, 20}, {0, 0}
39 };
40
41 static struct tone success_melody_beep[] = {
42 {1200, 7}, {1000, 7}, { 800, 15}, {0, 0}
43 };
44 static struct tone failure_melody_beep[] = {
45 {2000, 7}, {2400, 7}, {2800, 15}, {0, 0}
46 };
47 static struct tone insert_melody_beep[] = {
48 {1600, 10}, {1200, 5}, {0, 0}
49 };
50 static struct tone remove_melody_beep[] = {
51 {1200, 10}, {1600, 5}, {0, 0}
52 };
53
54 static struct tone *melody_table[MAX_TONE_MODE][MAX_STATE] = {
55 { /* silent mode */
56 silent_beep, silent_beep, silent_beep, silent_beep,
57 },
58 { /* simple beep mode */
59 success_beep, failure_beep,
60 insert_remove_beep, insert_remove_beep,
61 },
62 { /* melody beep mode */
63 success_melody_beep, failure_melody_beep,
64 insert_melody_beep, remove_melody_beep,
65 },
66 };
67
68
69 static void
70 pccard_beep_sub(void *arg)
71 {
72 struct tone *melody;
73 melody = (struct tone *)arg;
74
75 if (melody->pitch != 0) {
76 sysbeep(melody->pitch, melody->duration);
77 timeout(pccard_beep_sub, melody + 1, melody->duration);
78 } else
79 allow_beep = BEEP_ON;
80 }
81
82 static void
83 pccard_beep_start(void *arg)
84 {
85 struct tone *melody;
86 melody = (struct tone *)arg;
87
88 if (allow_beep == BEEP_ON && melody->pitch != 0) {
89 allow_beep = BEEP_OFF;
90 sysbeep(melody->pitch, melody->duration);
91 timeout(pccard_beep_sub, melody + 1, melody->duration);
92 }
93 }
94
95 void
96 pccard_success_beep(void)
97 {
98 pccard_beep_start(melody_table[melody_type][0]);
99 }
100
101 void
102 pccard_failure_beep(void)
103 {
104 pccard_beep_start(melody_table[melody_type][1]);
105 }
106
107 void
108 pccard_insert_beep(void)
109 {
110 pccard_beep_start(melody_table[melody_type][2]);
111 }
112
113 void
114 pccard_remove_beep(void)
115 {
116 pccard_beep_start(melody_table[melody_type][3]);
117 }
118
119 int
120 pccard_beep_select(int type)
121 {
122 int errcode = 0;
123
124 if (type == 0) {
125 allow_beep = BEEP_OFF;
126 melody_type = 0;
127 } else if (type < 0 || MAX_TONE_MODE - 1 < type) {
128 errcode = 1;
129 } else {
130 allow_beep = BEEP_ON;
131 melody_type = type;
132 }
133 return (errcode);
134 }
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