Commit | Line | Data |
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960366cf KK |
1 | /* |
2 | * Audio support data for ISDN4Linux. | |
3 | * | |
4 | * Copyright Andreas Eversberg (jolly@eversberg.eu) | |
5 | * | |
6 | * This software may be used and distributed according to the terms | |
7 | * of the GNU General Public License, incorporated herein by reference. | |
8 | * | |
9 | */ | |
10 | ||
11 | #include <linux/mISDNif.h> | |
12 | #include <linux/mISDNdsp.h> | |
13 | #include "core.h" | |
14 | #include "dsp.h" | |
15 | ||
16 | ||
17 | #define DATA_S sample_silence | |
18 | #define SIZE_S (&sizeof_silence) | |
19 | #define DATA_GA sample_german_all | |
20 | #define SIZE_GA (&sizeof_german_all) | |
21 | #define DATA_GO sample_german_old | |
22 | #define SIZE_GO (&sizeof_german_old) | |
23 | #define DATA_DT sample_american_dialtone | |
24 | #define SIZE_DT (&sizeof_american_dialtone) | |
25 | #define DATA_RI sample_american_ringing | |
26 | #define SIZE_RI (&sizeof_american_ringing) | |
27 | #define DATA_BU sample_american_busy | |
28 | #define SIZE_BU (&sizeof_american_busy) | |
29 | #define DATA_S1 sample_special1 | |
30 | #define SIZE_S1 (&sizeof_special1) | |
31 | #define DATA_S2 sample_special2 | |
32 | #define SIZE_S2 (&sizeof_special2) | |
33 | #define DATA_S3 sample_special3 | |
34 | #define SIZE_S3 (&sizeof_special3) | |
35 | ||
36 | /***************/ | |
37 | /* tones loops */ | |
38 | /***************/ | |
39 | ||
40 | /* all tones are alaw encoded */ | |
41 | /* the last sample+1 is in phase with the first sample. the error is low */ | |
42 | ||
43 | static u8 sample_german_all[] = { | |
44 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
45 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
46 | 0xdc, 0xfc, 0x6c, | |
47 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
48 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
49 | 0xdc, 0xfc, 0x6c, | |
50 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
51 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
52 | 0xdc, 0xfc, 0x6c, | |
53 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
54 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
55 | 0xdc, 0xfc, 0x6c, | |
56 | }; | |
57 | static u32 sizeof_german_all = sizeof(sample_german_all); | |
58 | ||
59 | static u8 sample_german_old[] = { | |
60 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
61 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
62 | 0x8c, | |
63 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
64 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
65 | 0x8c, | |
66 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
67 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
68 | 0x8c, | |
69 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
70 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
71 | 0x8c, | |
72 | }; | |
73 | static u32 sizeof_german_old = sizeof(sample_german_old); | |
74 | ||
75 | static u8 sample_american_dialtone[] = { | |
76 | 0x2a, 0x18, 0x90, 0x6c, 0x4c, 0xbc, 0x4c, 0x6c, | |
77 | 0x10, 0x58, 0x32, 0xb9, 0x31, 0x2d, 0x8d, 0x0d, | |
78 | 0x8d, 0x2d, 0x31, 0x99, 0x0f, 0x28, 0x60, 0xf0, | |
79 | 0xd0, 0x50, 0xd0, 0x30, 0x60, 0x08, 0x8e, 0x67, | |
80 | 0x09, 0x19, 0x21, 0xe1, 0xd9, 0xb9, 0x29, 0x67, | |
81 | 0x83, 0x02, 0xce, 0xbe, 0xee, 0x1a, 0x1b, 0xef, | |
82 | 0xbf, 0xcf, 0x03, 0x82, 0x66, 0x28, 0xb8, 0xd8, | |
83 | 0xe0, 0x20, 0x18, 0x08, 0x66, 0x8f, 0x09, 0x61, | |
84 | 0x31, 0xd1, 0x51, 0xd1, 0xf1, 0x61, 0x29, 0x0e, | |
85 | 0x98, 0x30, 0x2c, 0x8c, 0x0c, 0x8c, 0x2c, 0x30, | |
86 | 0xb8, 0x33, 0x59, 0x11, 0x6d, 0x4d, 0xbd, 0x4d, | |
87 | 0x6d, 0x91, 0x19, | |
88 | }; | |
89 | static u32 sizeof_american_dialtone = sizeof(sample_american_dialtone); | |
90 | ||
91 | static u8 sample_american_ringing[] = { | |
92 | 0x2a, 0xe0, 0xac, 0x0c, 0xbc, 0x4c, 0x8c, 0x90, | |
93 | 0x48, 0xc7, 0xc1, 0xed, 0xcd, 0x4d, 0xcd, 0xed, | |
94 | 0xc1, 0xb7, 0x08, 0x30, 0xec, 0xcc, 0xcc, 0x8c, | |
95 | 0x10, 0x58, 0x1a, 0x99, 0x71, 0xed, 0x8d, 0x8d, | |
96 | 0x2d, 0x41, 0x89, 0x9e, 0x20, 0x70, 0x2c, 0xec, | |
97 | 0x2c, 0x70, 0x20, 0x86, 0x77, 0xe1, 0x31, 0x11, | |
98 | 0xd1, 0xf1, 0x81, 0x09, 0xa3, 0x56, 0x58, 0x00, | |
99 | 0x40, 0xc0, 0x60, 0x38, 0x46, 0x43, 0x57, 0x39, | |
100 | 0xd9, 0x59, 0x99, 0xc9, 0x77, 0x2f, 0x2e, 0xc6, | |
101 | 0xd6, 0x28, 0xd6, 0x36, 0x26, 0x2e, 0x8a, 0xa3, | |
102 | 0x43, 0x63, 0x4b, 0x4a, 0x62, 0x42, 0xa2, 0x8b, | |
103 | 0x2f, 0x27, 0x37, 0xd7, 0x29, 0xd7, 0xc7, 0x2f, | |
104 | 0x2e, 0x76, 0xc8, 0x98, 0x58, 0xd8, 0x38, 0x56, | |
105 | 0x42, 0x47, 0x39, 0x61, 0xc1, 0x41, 0x01, 0x59, | |
106 | 0x57, 0xa2, 0x08, 0x80, 0xf0, 0xd0, 0x10, 0x30, | |
107 | 0xe0, 0x76, 0x87, 0x21, 0x71, 0x2d, 0xed, 0x2d, | |
108 | 0x71, 0x21, 0x9f, 0x88, 0x40, 0x2c, 0x8c, 0x8c, | |
109 | 0xec, 0x70, 0x98, 0x1b, 0x59, 0x11, 0x8d, 0xcd, | |
110 | 0xcd, 0xed, 0x31, 0x09, 0xb6, 0xc0, 0xec, 0xcc, | |
111 | 0x4c, 0xcc, 0xec, 0xc0, 0xc6, 0x49, 0x91, 0x8d, | |
112 | 0x4d, 0xbd, 0x0d, 0xad, 0xe1, | |
113 | }; | |
114 | static u32 sizeof_american_ringing = sizeof(sample_american_ringing); | |
115 | ||
116 | static u8 sample_american_busy[] = { | |
117 | 0x2a, 0x00, 0x6c, 0x4c, 0x4c, 0x6c, 0xb0, 0x66, | |
118 | 0x99, 0x11, 0x6d, 0x8d, 0x2d, 0x41, 0xd7, 0x96, | |
119 | 0x60, 0xf0, 0x70, 0x40, 0x58, 0xf6, 0x53, 0x57, | |
120 | 0x09, 0x89, 0xd7, 0x5f, 0xe3, 0x2a, 0xe3, 0x5f, | |
121 | 0xd7, 0x89, 0x09, 0x57, 0x53, 0xf6, 0x58, 0x40, | |
122 | 0x70, 0xf0, 0x60, 0x96, 0xd7, 0x41, 0x2d, 0x8d, | |
123 | 0x6d, 0x11, 0x99, 0x66, 0xb0, 0x6c, 0x4c, 0x4c, | |
124 | 0x6c, 0x00, 0x2a, 0x01, 0x6d, 0x4d, 0x4d, 0x6d, | |
125 | 0xb1, 0x67, 0x98, 0x10, 0x6c, 0x8c, 0x2c, 0x40, | |
126 | 0xd6, 0x97, 0x61, 0xf1, 0x71, 0x41, 0x59, 0xf7, | |
127 | 0x52, 0x56, 0x08, 0x88, 0xd6, 0x5e, 0xe2, 0x2a, | |
128 | 0xe2, 0x5e, 0xd6, 0x88, 0x08, 0x56, 0x52, 0xf7, | |
129 | 0x59, 0x41, 0x71, 0xf1, 0x61, 0x97, 0xd6, 0x40, | |
130 | 0x2c, 0x8c, 0x6c, 0x10, 0x98, 0x67, 0xb1, 0x6d, | |
131 | 0x4d, 0x4d, 0x6d, 0x01, | |
132 | }; | |
133 | static u32 sizeof_american_busy = sizeof(sample_american_busy); | |
134 | ||
135 | static u8 sample_special1[] = { | |
136 | 0x2a, 0x2c, 0xbc, 0x6c, 0xd6, 0x71, 0xbd, 0x0d, | |
137 | 0xd9, 0x80, 0xcc, 0x4c, 0x40, 0x39, 0x0d, 0xbd, | |
138 | 0x11, 0x86, 0xec, 0xbc, 0xec, 0x0e, 0x51, 0xbd, | |
139 | 0x8d, 0x89, 0x30, 0x4c, 0xcc, 0xe0, 0xe1, 0xcd, | |
140 | 0x4d, 0x31, 0x88, 0x8c, 0xbc, 0x50, 0x0f, 0xed, | |
141 | 0xbd, 0xed, 0x87, 0x10, 0xbc, 0x0c, 0x38, 0x41, | |
142 | 0x4d, 0xcd, 0x81, 0xd8, 0x0c, 0xbc, 0x70, 0xd7, | |
143 | 0x6d, 0xbd, 0x2d, | |
144 | }; | |
145 | static u32 sizeof_special1 = sizeof(sample_special1); | |
146 | ||
147 | static u8 sample_special2[] = { | |
148 | 0x2a, 0xcc, 0x8c, 0xd7, 0x4d, 0x2d, 0x18, 0xbc, | |
149 | 0x10, 0xc1, 0xbd, 0xc1, 0x10, 0xbc, 0x18, 0x2d, | |
150 | 0x4d, 0xd7, 0x8c, 0xcc, 0x2a, 0xcd, 0x8d, 0xd6, | |
151 | 0x4c, 0x2c, 0x19, 0xbd, 0x11, 0xc0, 0xbc, 0xc0, | |
152 | 0x11, 0xbd, 0x19, 0x2c, 0x4c, 0xd6, 0x8d, 0xcd, | |
153 | 0x2a, 0xcc, 0x8c, 0xd7, 0x4d, 0x2d, 0x18, 0xbc, | |
154 | 0x10, 0xc1, 0xbd, 0xc1, 0x10, 0xbc, 0x18, 0x2d, | |
155 | 0x4d, 0xd7, 0x8c, 0xcc, 0x2a, 0xcd, 0x8d, 0xd6, | |
156 | 0x4c, 0x2c, 0x19, 0xbd, 0x11, 0xc0, 0xbc, 0xc0, | |
157 | 0x11, 0xbd, 0x19, 0x2c, 0x4c, 0xd6, 0x8d, 0xcd, | |
158 | }; | |
159 | static u32 sizeof_special2 = sizeof(sample_special2); | |
160 | ||
161 | static u8 sample_special3[] = { | |
162 | 0x2a, 0xbc, 0x18, 0xcd, 0x11, 0x2c, 0x8c, 0xc1, | |
163 | 0x4d, 0xd6, 0xbc, 0xd6, 0x4d, 0xc1, 0x8c, 0x2c, | |
164 | 0x11, 0xcd, 0x18, 0xbc, 0x2a, 0xbd, 0x19, 0xcc, | |
165 | 0x10, 0x2d, 0x8d, 0xc0, 0x4c, 0xd7, 0xbd, 0xd7, | |
166 | 0x4c, 0xc0, 0x8d, 0x2d, 0x10, 0xcc, 0x19, 0xbd, | |
167 | 0x2a, 0xbc, 0x18, 0xcd, 0x11, 0x2c, 0x8c, 0xc1, | |
168 | 0x4d, 0xd6, 0xbc, 0xd6, 0x4d, 0xc1, 0x8c, 0x2c, | |
169 | 0x11, 0xcd, 0x18, 0xbc, 0x2a, 0xbd, 0x19, 0xcc, | |
170 | 0x10, 0x2d, 0x8d, 0xc0, 0x4c, 0xd7, 0xbd, 0xd7, | |
171 | 0x4c, 0xc0, 0x8d, 0x2d, 0x10, 0xcc, 0x19, 0xbd, | |
172 | }; | |
173 | static u32 sizeof_special3 = sizeof(sample_special3); | |
174 | ||
175 | static u8 sample_silence[] = { | |
176 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
177 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
178 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
179 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
180 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
181 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
182 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
183 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
184 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
185 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
186 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
187 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
188 | }; | |
189 | static u32 sizeof_silence = sizeof(sample_silence); | |
190 | ||
191 | struct tones_samples { | |
192 | u32 *len; | |
193 | u8 *data; | |
194 | }; | |
195 | static struct | |
196 | tones_samples samples[] = { | |
197 | {&sizeof_german_all, sample_german_all}, | |
198 | {&sizeof_german_old, sample_german_old}, | |
199 | {&sizeof_american_dialtone, sample_american_dialtone}, | |
200 | {&sizeof_american_ringing, sample_american_ringing}, | |
201 | {&sizeof_american_busy, sample_american_busy}, | |
202 | {&sizeof_special1, sample_special1}, | |
203 | {&sizeof_special2, sample_special2}, | |
204 | {&sizeof_special3, sample_special3}, | |
205 | {NULL, NULL}, | |
206 | }; | |
207 | ||
208 | /*********************************** | |
209 | * generate ulaw from alaw samples * | |
210 | ***********************************/ | |
211 | ||
212 | void | |
213 | dsp_audio_generate_ulaw_samples(void) | |
214 | { | |
215 | int i, j; | |
216 | ||
217 | i = 0; | |
218 | while (samples[i].len) { | |
219 | j = 0; | |
220 | while (j < (*samples[i].len)) { | |
221 | samples[i].data[j] = | |
222 | dsp_audio_alaw_to_ulaw[samples[i].data[j]]; | |
223 | j++; | |
224 | } | |
225 | i++; | |
226 | } | |
227 | } | |
228 | ||
229 | ||
230 | /**************************** | |
231 | * tone sequence definition * | |
232 | ****************************/ | |
233 | ||
234 | struct pattern { | |
235 | int tone; | |
236 | u8 *data[10]; | |
237 | u32 *siz[10]; | |
238 | u32 seq[10]; | |
239 | } pattern[] = { | |
240 | {TONE_GERMAN_DIALTONE, | |
241 | {DATA_GA, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
242 | {SIZE_GA, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
243 | {1900, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
244 | ||
245 | {TONE_GERMAN_OLDDIALTONE, | |
246 | {DATA_GO, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
247 | {SIZE_GO, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
248 | {1998, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
249 | ||
250 | {TONE_AMERICAN_DIALTONE, | |
251 | {DATA_DT, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
252 | {SIZE_DT, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
253 | {8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
254 | ||
255 | {TONE_GERMAN_DIALPBX, | |
256 | {DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, 0, 0, 0, 0}, | |
257 | {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, 0, 0, 0, 0}, | |
258 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
259 | ||
260 | {TONE_GERMAN_OLDDIALPBX, | |
261 | {DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, 0, 0, 0, 0}, | |
262 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, 0, 0, 0, 0}, | |
263 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
264 | ||
265 | {TONE_AMERICAN_DIALPBX, | |
266 | {DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, 0, 0, 0, 0}, | |
267 | {SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, 0, 0, 0, 0}, | |
268 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
269 | ||
270 | {TONE_GERMAN_RINGING, | |
271 | {DATA_GA, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
272 | {SIZE_GA, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
273 | {8000, 32000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
274 | ||
275 | {TONE_GERMAN_OLDRINGING, | |
276 | {DATA_GO, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
277 | {SIZE_GO, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
278 | {8000, 40000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
279 | ||
280 | {TONE_AMERICAN_RINGING, | |
281 | {DATA_RI, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
282 | {SIZE_RI, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
283 | {8000, 32000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
284 | ||
285 | {TONE_GERMAN_RINGPBX, | |
286 | {DATA_GA, DATA_S, DATA_GA, DATA_S, 0, 0, 0, 0, 0, 0}, | |
287 | {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, 0, 0, 0, 0, 0, 0}, | |
288 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
289 | ||
290 | {TONE_GERMAN_OLDRINGPBX, | |
291 | {DATA_GO, DATA_S, DATA_GO, DATA_S, 0, 0, 0, 0, 0, 0}, | |
292 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, 0, 0, 0, 0, 0, 0}, | |
293 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
294 | ||
295 | {TONE_AMERICAN_RINGPBX, | |
296 | {DATA_RI, DATA_S, DATA_RI, DATA_S, 0, 0, 0, 0, 0, 0}, | |
297 | {SIZE_RI, SIZE_S, SIZE_RI, SIZE_S, 0, 0, 0, 0, 0, 0}, | |
298 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
299 | ||
300 | {TONE_GERMAN_BUSY, | |
301 | {DATA_GA, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
302 | {SIZE_GA, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
303 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
304 | ||
305 | {TONE_GERMAN_OLDBUSY, | |
306 | {DATA_GO, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
307 | {SIZE_GO, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
308 | {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
309 | ||
310 | {TONE_AMERICAN_BUSY, | |
311 | {DATA_BU, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
312 | {SIZE_BU, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
313 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
314 | ||
315 | {TONE_GERMAN_HANGUP, | |
316 | {DATA_GA, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
317 | {SIZE_GA, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
318 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
319 | ||
320 | {TONE_GERMAN_OLDHANGUP, | |
321 | {DATA_GO, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
322 | {SIZE_GO, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
323 | {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
324 | ||
325 | {TONE_AMERICAN_HANGUP, | |
326 | {DATA_DT, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
327 | {SIZE_DT, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
328 | {8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
329 | ||
330 | {TONE_SPECIAL_INFO, | |
331 | {DATA_S1, DATA_S2, DATA_S3, DATA_S, 0, 0, 0, 0, 0, 0}, | |
332 | {SIZE_S1, SIZE_S2, SIZE_S3, SIZE_S, 0, 0, 0, 0, 0, 0}, | |
333 | {2666, 2666, 2666, 8002, 0, 0, 0, 0, 0, 0} }, | |
334 | ||
335 | {TONE_GERMAN_GASSENBESETZT, | |
336 | {DATA_GA, DATA_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
337 | {SIZE_GA, SIZE_S, 0, 0, 0, 0, 0, 0, 0, 0}, | |
338 | {2000, 2000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
339 | ||
340 | {TONE_GERMAN_AUFSCHALTTON, | |
341 | {DATA_GO, DATA_S, DATA_GO, DATA_S, 0, 0, 0, 0, 0, 0}, | |
342 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, 0, 0, 0, 0, 0, 0}, | |
343 | {1000, 5000, 1000, 17000, 0, 0, 0, 0, 0, 0} }, | |
344 | ||
345 | {0, | |
346 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
347 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
348 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
349 | }; | |
350 | ||
351 | /****************** | |
352 | * copy tone data * | |
353 | ******************/ | |
354 | ||
355 | /* an sk_buff is generated from the number of samples needed. | |
356 | * the count will be changed and may begin from 0 each pattern period. | |
357 | * the clue is to precalculate the pointers and legths to use only one | |
358 | * memcpy per function call, or two memcpy if the tone sequence changes. | |
359 | * | |
360 | * pattern - the type of the pattern | |
361 | * count - the sample from the beginning of the pattern (phase) | |
362 | * len - the number of bytes | |
363 | * | |
364 | * return - the sk_buff with the sample | |
365 | * | |
366 | * if tones has finished (e.g. knocking tone), dsp->tones is turned off | |
367 | */ | |
368 | void dsp_tone_copy(struct dsp *dsp, u8 *data, int len) | |
369 | { | |
370 | int index, count, start, num; | |
371 | struct pattern *pat; | |
372 | struct dsp_tone *tone = &dsp->tone; | |
373 | ||
374 | /* if we have no tone, we copy silence */ | |
375 | if (!tone->tone) { | |
376 | memset(data, dsp_silence, len); | |
377 | return; | |
378 | } | |
379 | ||
380 | /* process pattern */ | |
381 | pat = (struct pattern *)tone->pattern; | |
382 | /* points to the current pattern */ | |
383 | index = tone->index; /* gives current sequence index */ | |
384 | count = tone->count; /* gives current sample */ | |
385 | ||
386 | /* copy sample */ | |
387 | while (len) { | |
388 | /* find sample to start with */ | |
389 | while (42) { | |
390 | /* warp arround */ | |
391 | if (!pat->seq[index]) { | |
392 | count = 0; | |
393 | index = 0; | |
394 | } | |
395 | /* check if we are currently playing this tone */ | |
396 | if (count < pat->seq[index]) | |
397 | break; | |
398 | if (dsp_debug & DEBUG_DSP_TONE) | |
399 | printk(KERN_DEBUG "%s: reaching next sequence " | |
400 | "(index=%d)\n", __func__, index); | |
401 | count -= pat->seq[index]; | |
402 | index++; | |
403 | } | |
404 | /* calculate start and number of samples */ | |
405 | start = count % (*(pat->siz[index])); | |
406 | num = len; | |
407 | if (num+count > pat->seq[index]) | |
408 | num = pat->seq[index] - count; | |
409 | if (num+start > (*(pat->siz[index]))) | |
410 | num = (*(pat->siz[index])) - start; | |
411 | /* copy memory */ | |
412 | memcpy(data, pat->data[index]+start, num); | |
413 | /* reduce length */ | |
414 | data += num; | |
415 | count += num; | |
416 | len -= num; | |
417 | } | |
418 | tone->index = index; | |
419 | tone->count = count; | |
420 | ||
421 | /* return sk_buff */ | |
422 | return; | |
423 | } | |
424 | ||
425 | ||
426 | /******************************* | |
427 | * send HW message to hfc card * | |
428 | *******************************/ | |
429 | ||
430 | static void | |
431 | dsp_tone_hw_message(struct dsp *dsp, u8 *sample, int len) | |
432 | { | |
433 | struct sk_buff *nskb; | |
434 | ||
435 | /* unlocking is not required, because we don't expect a response */ | |
436 | nskb = _alloc_mISDN_skb(PH_CONTROL_REQ, | |
437 | (len)?HFC_SPL_LOOP_ON:HFC_SPL_LOOP_OFF, len, sample, | |
438 | GFP_ATOMIC); | |
439 | if (nskb) { | |
440 | if (dsp->ch.peer) { | |
441 | if (dsp->ch.recv(dsp->ch.peer, nskb)) | |
442 | dev_kfree_skb(nskb); | |
443 | } else | |
444 | dev_kfree_skb(nskb); | |
445 | } | |
446 | } | |
447 | ||
448 | ||
449 | /***************** | |
450 | * timer expires * | |
451 | *****************/ | |
452 | void | |
453 | dsp_tone_timeout(void *arg) | |
454 | { | |
455 | struct dsp *dsp = arg; | |
456 | struct dsp_tone *tone = &dsp->tone; | |
457 | struct pattern *pat = (struct pattern *)tone->pattern; | |
458 | int index = tone->index; | |
459 | ||
460 | if (!tone->tone) | |
461 | return; | |
462 | ||
463 | index++; | |
464 | if (!pat->seq[index]) | |
465 | index = 0; | |
466 | tone->index = index; | |
467 | ||
468 | /* set next tone */ | |
469 | if (pat->data[index] == DATA_S) | |
470 | dsp_tone_hw_message(dsp, 0, 0); | |
471 | else | |
472 | dsp_tone_hw_message(dsp, pat->data[index], *(pat->siz[index])); | |
473 | /* set timer */ | |
474 | init_timer(&tone->tl); | |
475 | tone->tl.expires = jiffies + (pat->seq[index] * HZ) / 8000; | |
476 | add_timer(&tone->tl); | |
477 | } | |
478 | ||
479 | ||
480 | /******************** | |
481 | * set/release tone * | |
482 | ********************/ | |
483 | ||
484 | /* | |
485 | * tones are relaized by streaming or by special loop commands if supported | |
486 | * by hardware. when hardware is used, the patterns will be controlled by | |
487 | * timers. | |
488 | */ | |
489 | int | |
490 | dsp_tone(struct dsp *dsp, int tone) | |
491 | { | |
492 | struct pattern *pat; | |
493 | int i; | |
494 | struct dsp_tone *tonet = &dsp->tone; | |
495 | ||
496 | tonet->software = 0; | |
497 | tonet->hardware = 0; | |
498 | ||
499 | /* we turn off the tone */ | |
500 | if (!tone) { | |
501 | if (dsp->features.hfc_loops) | |
502 | if (timer_pending(&tonet->tl)) | |
503 | del_timer(&tonet->tl); | |
504 | if (dsp->features.hfc_loops) | |
505 | dsp_tone_hw_message(dsp, NULL, 0); | |
506 | tonet->tone = 0; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | pat = NULL; | |
511 | i = 0; | |
512 | while (pattern[i].tone) { | |
513 | if (pattern[i].tone == tone) { | |
514 | pat = &pattern[i]; | |
515 | break; | |
516 | } | |
517 | i++; | |
518 | } | |
519 | if (!pat) { | |
520 | printk(KERN_WARNING "dsp: given tone 0x%x is invalid\n", tone); | |
521 | return -EINVAL; | |
522 | } | |
523 | if (dsp_debug & DEBUG_DSP_TONE) | |
524 | printk(KERN_DEBUG "%s: now starting tone %d (index=%d)\n", | |
525 | __func__, tone, 0); | |
526 | tonet->tone = tone; | |
527 | tonet->pattern = pat; | |
528 | tonet->index = 0; | |
529 | tonet->count = 0; | |
530 | ||
531 | if (dsp->features.hfc_loops) { | |
532 | tonet->hardware = 1; | |
533 | /* set first tone */ | |
534 | dsp_tone_hw_message(dsp, pat->data[0], *(pat->siz[0])); | |
535 | /* set timer */ | |
536 | if (timer_pending(&tonet->tl)) | |
537 | del_timer(&tonet->tl); | |
538 | init_timer(&tonet->tl); | |
539 | tonet->tl.expires = jiffies + (pat->seq[0] * HZ) / 8000; | |
540 | add_timer(&tonet->tl); | |
541 | } else { | |
542 | tonet->software = 1; | |
543 | } | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | ||
549 | ||
550 | ||
551 |