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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 | ||
5a0e3ad6 | 11 | #include <linux/gfp.h> |
960366cf KK |
12 | #include <linux/mISDNif.h> |
13 | #include <linux/mISDNdsp.h> | |
14 | #include "core.h" | |
15 | #include "dsp.h" | |
16 | ||
17 | ||
18 | #define DATA_S sample_silence | |
19 | #define SIZE_S (&sizeof_silence) | |
20 | #define DATA_GA sample_german_all | |
21 | #define SIZE_GA (&sizeof_german_all) | |
22 | #define DATA_GO sample_german_old | |
23 | #define SIZE_GO (&sizeof_german_old) | |
24 | #define DATA_DT sample_american_dialtone | |
25 | #define SIZE_DT (&sizeof_american_dialtone) | |
26 | #define DATA_RI sample_american_ringing | |
27 | #define SIZE_RI (&sizeof_american_ringing) | |
28 | #define DATA_BU sample_american_busy | |
29 | #define SIZE_BU (&sizeof_american_busy) | |
30 | #define DATA_S1 sample_special1 | |
31 | #define SIZE_S1 (&sizeof_special1) | |
32 | #define DATA_S2 sample_special2 | |
33 | #define SIZE_S2 (&sizeof_special2) | |
34 | #define DATA_S3 sample_special3 | |
35 | #define SIZE_S3 (&sizeof_special3) | |
36 | ||
37 | /***************/ | |
38 | /* tones loops */ | |
39 | /***************/ | |
40 | ||
41 | /* all tones are alaw encoded */ | |
42 | /* the last sample+1 is in phase with the first sample. the error is low */ | |
43 | ||
44 | static u8 sample_german_all[] = { | |
45 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
46 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
47 | 0xdc, 0xfc, 0x6c, | |
48 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
49 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
50 | 0xdc, 0xfc, 0x6c, | |
51 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
52 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
53 | 0xdc, 0xfc, 0x6c, | |
54 | 0x80, 0xab, 0x81, 0x6d, 0xfd, 0xdd, 0x5d, 0x9d, | |
55 | 0x4d, 0xd1, 0x89, 0x88, 0xd0, 0x4c, 0x9c, 0x5c, | |
56 | 0xdc, 0xfc, 0x6c, | |
57 | }; | |
58 | static u32 sizeof_german_all = sizeof(sample_german_all); | |
59 | ||
60 | static u8 sample_german_old[] = { | |
61 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
62 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
63 | 0x8c, | |
64 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
65 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
66 | 0x8c, | |
67 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
68 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
69 | 0x8c, | |
70 | 0xec, 0x68, 0xe1, 0x6d, 0x6d, 0x91, 0x51, 0xed, | |
71 | 0x6d, 0x01, 0x1e, 0x10, 0x0c, 0x90, 0x60, 0x70, | |
72 | 0x8c, | |
73 | }; | |
74 | static u32 sizeof_german_old = sizeof(sample_german_old); | |
75 | ||
76 | static u8 sample_american_dialtone[] = { | |
77 | 0x2a, 0x18, 0x90, 0x6c, 0x4c, 0xbc, 0x4c, 0x6c, | |
78 | 0x10, 0x58, 0x32, 0xb9, 0x31, 0x2d, 0x8d, 0x0d, | |
79 | 0x8d, 0x2d, 0x31, 0x99, 0x0f, 0x28, 0x60, 0xf0, | |
80 | 0xd0, 0x50, 0xd0, 0x30, 0x60, 0x08, 0x8e, 0x67, | |
81 | 0x09, 0x19, 0x21, 0xe1, 0xd9, 0xb9, 0x29, 0x67, | |
82 | 0x83, 0x02, 0xce, 0xbe, 0xee, 0x1a, 0x1b, 0xef, | |
83 | 0xbf, 0xcf, 0x03, 0x82, 0x66, 0x28, 0xb8, 0xd8, | |
84 | 0xe0, 0x20, 0x18, 0x08, 0x66, 0x8f, 0x09, 0x61, | |
85 | 0x31, 0xd1, 0x51, 0xd1, 0xf1, 0x61, 0x29, 0x0e, | |
86 | 0x98, 0x30, 0x2c, 0x8c, 0x0c, 0x8c, 0x2c, 0x30, | |
87 | 0xb8, 0x33, 0x59, 0x11, 0x6d, 0x4d, 0xbd, 0x4d, | |
88 | 0x6d, 0x91, 0x19, | |
89 | }; | |
90 | static u32 sizeof_american_dialtone = sizeof(sample_american_dialtone); | |
91 | ||
92 | static u8 sample_american_ringing[] = { | |
93 | 0x2a, 0xe0, 0xac, 0x0c, 0xbc, 0x4c, 0x8c, 0x90, | |
94 | 0x48, 0xc7, 0xc1, 0xed, 0xcd, 0x4d, 0xcd, 0xed, | |
95 | 0xc1, 0xb7, 0x08, 0x30, 0xec, 0xcc, 0xcc, 0x8c, | |
96 | 0x10, 0x58, 0x1a, 0x99, 0x71, 0xed, 0x8d, 0x8d, | |
97 | 0x2d, 0x41, 0x89, 0x9e, 0x20, 0x70, 0x2c, 0xec, | |
98 | 0x2c, 0x70, 0x20, 0x86, 0x77, 0xe1, 0x31, 0x11, | |
99 | 0xd1, 0xf1, 0x81, 0x09, 0xa3, 0x56, 0x58, 0x00, | |
100 | 0x40, 0xc0, 0x60, 0x38, 0x46, 0x43, 0x57, 0x39, | |
101 | 0xd9, 0x59, 0x99, 0xc9, 0x77, 0x2f, 0x2e, 0xc6, | |
102 | 0xd6, 0x28, 0xd6, 0x36, 0x26, 0x2e, 0x8a, 0xa3, | |
103 | 0x43, 0x63, 0x4b, 0x4a, 0x62, 0x42, 0xa2, 0x8b, | |
104 | 0x2f, 0x27, 0x37, 0xd7, 0x29, 0xd7, 0xc7, 0x2f, | |
105 | 0x2e, 0x76, 0xc8, 0x98, 0x58, 0xd8, 0x38, 0x56, | |
106 | 0x42, 0x47, 0x39, 0x61, 0xc1, 0x41, 0x01, 0x59, | |
107 | 0x57, 0xa2, 0x08, 0x80, 0xf0, 0xd0, 0x10, 0x30, | |
108 | 0xe0, 0x76, 0x87, 0x21, 0x71, 0x2d, 0xed, 0x2d, | |
109 | 0x71, 0x21, 0x9f, 0x88, 0x40, 0x2c, 0x8c, 0x8c, | |
110 | 0xec, 0x70, 0x98, 0x1b, 0x59, 0x11, 0x8d, 0xcd, | |
111 | 0xcd, 0xed, 0x31, 0x09, 0xb6, 0xc0, 0xec, 0xcc, | |
112 | 0x4c, 0xcc, 0xec, 0xc0, 0xc6, 0x49, 0x91, 0x8d, | |
113 | 0x4d, 0xbd, 0x0d, 0xad, 0xe1, | |
114 | }; | |
115 | static u32 sizeof_american_ringing = sizeof(sample_american_ringing); | |
116 | ||
117 | static u8 sample_american_busy[] = { | |
118 | 0x2a, 0x00, 0x6c, 0x4c, 0x4c, 0x6c, 0xb0, 0x66, | |
119 | 0x99, 0x11, 0x6d, 0x8d, 0x2d, 0x41, 0xd7, 0x96, | |
120 | 0x60, 0xf0, 0x70, 0x40, 0x58, 0xf6, 0x53, 0x57, | |
121 | 0x09, 0x89, 0xd7, 0x5f, 0xe3, 0x2a, 0xe3, 0x5f, | |
122 | 0xd7, 0x89, 0x09, 0x57, 0x53, 0xf6, 0x58, 0x40, | |
123 | 0x70, 0xf0, 0x60, 0x96, 0xd7, 0x41, 0x2d, 0x8d, | |
124 | 0x6d, 0x11, 0x99, 0x66, 0xb0, 0x6c, 0x4c, 0x4c, | |
125 | 0x6c, 0x00, 0x2a, 0x01, 0x6d, 0x4d, 0x4d, 0x6d, | |
126 | 0xb1, 0x67, 0x98, 0x10, 0x6c, 0x8c, 0x2c, 0x40, | |
127 | 0xd6, 0x97, 0x61, 0xf1, 0x71, 0x41, 0x59, 0xf7, | |
128 | 0x52, 0x56, 0x08, 0x88, 0xd6, 0x5e, 0xe2, 0x2a, | |
129 | 0xe2, 0x5e, 0xd6, 0x88, 0x08, 0x56, 0x52, 0xf7, | |
130 | 0x59, 0x41, 0x71, 0xf1, 0x61, 0x97, 0xd6, 0x40, | |
131 | 0x2c, 0x8c, 0x6c, 0x10, 0x98, 0x67, 0xb1, 0x6d, | |
132 | 0x4d, 0x4d, 0x6d, 0x01, | |
133 | }; | |
134 | static u32 sizeof_american_busy = sizeof(sample_american_busy); | |
135 | ||
136 | static u8 sample_special1[] = { | |
137 | 0x2a, 0x2c, 0xbc, 0x6c, 0xd6, 0x71, 0xbd, 0x0d, | |
138 | 0xd9, 0x80, 0xcc, 0x4c, 0x40, 0x39, 0x0d, 0xbd, | |
139 | 0x11, 0x86, 0xec, 0xbc, 0xec, 0x0e, 0x51, 0xbd, | |
140 | 0x8d, 0x89, 0x30, 0x4c, 0xcc, 0xe0, 0xe1, 0xcd, | |
141 | 0x4d, 0x31, 0x88, 0x8c, 0xbc, 0x50, 0x0f, 0xed, | |
142 | 0xbd, 0xed, 0x87, 0x10, 0xbc, 0x0c, 0x38, 0x41, | |
143 | 0x4d, 0xcd, 0x81, 0xd8, 0x0c, 0xbc, 0x70, 0xd7, | |
144 | 0x6d, 0xbd, 0x2d, | |
145 | }; | |
146 | static u32 sizeof_special1 = sizeof(sample_special1); | |
147 | ||
148 | static u8 sample_special2[] = { | |
149 | 0x2a, 0xcc, 0x8c, 0xd7, 0x4d, 0x2d, 0x18, 0xbc, | |
150 | 0x10, 0xc1, 0xbd, 0xc1, 0x10, 0xbc, 0x18, 0x2d, | |
151 | 0x4d, 0xd7, 0x8c, 0xcc, 0x2a, 0xcd, 0x8d, 0xd6, | |
152 | 0x4c, 0x2c, 0x19, 0xbd, 0x11, 0xc0, 0xbc, 0xc0, | |
153 | 0x11, 0xbd, 0x19, 0x2c, 0x4c, 0xd6, 0x8d, 0xcd, | |
154 | 0x2a, 0xcc, 0x8c, 0xd7, 0x4d, 0x2d, 0x18, 0xbc, | |
155 | 0x10, 0xc1, 0xbd, 0xc1, 0x10, 0xbc, 0x18, 0x2d, | |
156 | 0x4d, 0xd7, 0x8c, 0xcc, 0x2a, 0xcd, 0x8d, 0xd6, | |
157 | 0x4c, 0x2c, 0x19, 0xbd, 0x11, 0xc0, 0xbc, 0xc0, | |
158 | 0x11, 0xbd, 0x19, 0x2c, 0x4c, 0xd6, 0x8d, 0xcd, | |
159 | }; | |
160 | static u32 sizeof_special2 = sizeof(sample_special2); | |
161 | ||
162 | static u8 sample_special3[] = { | |
163 | 0x2a, 0xbc, 0x18, 0xcd, 0x11, 0x2c, 0x8c, 0xc1, | |
164 | 0x4d, 0xd6, 0xbc, 0xd6, 0x4d, 0xc1, 0x8c, 0x2c, | |
165 | 0x11, 0xcd, 0x18, 0xbc, 0x2a, 0xbd, 0x19, 0xcc, | |
166 | 0x10, 0x2d, 0x8d, 0xc0, 0x4c, 0xd7, 0xbd, 0xd7, | |
167 | 0x4c, 0xc0, 0x8d, 0x2d, 0x10, 0xcc, 0x19, 0xbd, | |
168 | 0x2a, 0xbc, 0x18, 0xcd, 0x11, 0x2c, 0x8c, 0xc1, | |
169 | 0x4d, 0xd6, 0xbc, 0xd6, 0x4d, 0xc1, 0x8c, 0x2c, | |
170 | 0x11, 0xcd, 0x18, 0xbc, 0x2a, 0xbd, 0x19, 0xcc, | |
171 | 0x10, 0x2d, 0x8d, 0xc0, 0x4c, 0xd7, 0xbd, 0xd7, | |
172 | 0x4c, 0xc0, 0x8d, 0x2d, 0x10, 0xcc, 0x19, 0xbd, | |
173 | }; | |
174 | static u32 sizeof_special3 = sizeof(sample_special3); | |
175 | ||
176 | static u8 sample_silence[] = { | |
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 | 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, | |
189 | }; | |
190 | static u32 sizeof_silence = sizeof(sample_silence); | |
191 | ||
192 | struct tones_samples { | |
193 | u32 *len; | |
194 | u8 *data; | |
195 | }; | |
196 | static struct | |
197 | tones_samples samples[] = { | |
198 | {&sizeof_german_all, sample_german_all}, | |
199 | {&sizeof_german_old, sample_german_old}, | |
200 | {&sizeof_american_dialtone, sample_american_dialtone}, | |
201 | {&sizeof_american_ringing, sample_american_ringing}, | |
202 | {&sizeof_american_busy, sample_american_busy}, | |
203 | {&sizeof_special1, sample_special1}, | |
204 | {&sizeof_special2, sample_special2}, | |
205 | {&sizeof_special3, sample_special3}, | |
206 | {NULL, NULL}, | |
207 | }; | |
208 | ||
209 | /*********************************** | |
210 | * generate ulaw from alaw samples * | |
211 | ***********************************/ | |
212 | ||
213 | void | |
214 | dsp_audio_generate_ulaw_samples(void) | |
215 | { | |
216 | int i, j; | |
217 | ||
218 | i = 0; | |
219 | while (samples[i].len) { | |
220 | j = 0; | |
221 | while (j < (*samples[i].len)) { | |
222 | samples[i].data[j] = | |
223 | dsp_audio_alaw_to_ulaw[samples[i].data[j]]; | |
224 | j++; | |
225 | } | |
226 | i++; | |
227 | } | |
228 | } | |
229 | ||
230 | ||
231 | /**************************** | |
232 | * tone sequence definition * | |
233 | ****************************/ | |
234 | ||
5b834354 | 235 | static struct pattern { |
960366cf KK |
236 | int tone; |
237 | u8 *data[10]; | |
238 | u32 *siz[10]; | |
239 | u32 seq[10]; | |
240 | } pattern[] = { | |
241 | {TONE_GERMAN_DIALTONE, | |
475be4d8 JP |
242 | {DATA_GA, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
243 | {SIZE_GA, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
244 | {1900, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
245 | |
246 | {TONE_GERMAN_OLDDIALTONE, | |
475be4d8 JP |
247 | {DATA_GO, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
248 | {SIZE_GO, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
249 | {1998, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
250 | |
251 | {TONE_AMERICAN_DIALTONE, | |
475be4d8 JP |
252 | {DATA_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
253 | {SIZE_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
254 | {8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
255 | |
256 | {TONE_GERMAN_DIALPBX, | |
475be4d8 JP |
257 | {DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL, |
258 | NULL}, | |
259 | {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL, | |
260 | NULL}, | |
261 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
960366cf KK |
262 | |
263 | {TONE_GERMAN_OLDDIALPBX, | |
475be4d8 JP |
264 | {DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, |
265 | NULL}, | |
266 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, | |
267 | NULL}, | |
268 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
960366cf KK |
269 | |
270 | {TONE_AMERICAN_DIALPBX, | |
475be4d8 JP |
271 | {DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, NULL, NULL, NULL, |
272 | NULL}, | |
273 | {SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, NULL, NULL, NULL, | |
274 | NULL}, | |
275 | {2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} }, | |
960366cf KK |
276 | |
277 | {TONE_GERMAN_RINGING, | |
475be4d8 JP |
278 | {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
279 | {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
280 | {8000, 32000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
281 | |
282 | {TONE_GERMAN_OLDRINGING, | |
475be4d8 JP |
283 | {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
284 | {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
285 | {8000, 40000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
286 | |
287 | {TONE_AMERICAN_RINGING, | |
475be4d8 JP |
288 | {DATA_RI, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
289 | {SIZE_RI, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
290 | {8000, 32000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
291 | |
292 | {TONE_GERMAN_RINGPBX, | |
475be4d8 JP |
293 | {DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL}, |
294 | {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL}, | |
295 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
296 | |
297 | {TONE_GERMAN_OLDRINGPBX, | |
475be4d8 JP |
298 | {DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL}, |
299 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL}, | |
300 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
301 | |
302 | {TONE_AMERICAN_RINGPBX, | |
475be4d8 JP |
303 | {DATA_RI, DATA_S, DATA_RI, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL}, |
304 | {SIZE_RI, SIZE_S, SIZE_RI, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL}, | |
305 | {4000, 4000, 4000, 28000, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
306 | |
307 | {TONE_GERMAN_BUSY, | |
475be4d8 JP |
308 | {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
309 | {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
310 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
311 | |
312 | {TONE_GERMAN_OLDBUSY, | |
475be4d8 JP |
313 | {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
314 | {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
315 | {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
316 | |
317 | {TONE_AMERICAN_BUSY, | |
475be4d8 JP |
318 | {DATA_BU, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
319 | {SIZE_BU, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
320 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
321 | |
322 | {TONE_GERMAN_HANGUP, | |
475be4d8 JP |
323 | {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
324 | {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
325 | {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
326 | |
327 | {TONE_GERMAN_OLDHANGUP, | |
475be4d8 JP |
328 | {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
329 | {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
330 | {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
331 | |
332 | {TONE_AMERICAN_HANGUP, | |
475be4d8 JP |
333 | {DATA_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
334 | {SIZE_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
335 | {8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
336 | |
337 | {TONE_SPECIAL_INFO, | |
475be4d8 JP |
338 | {DATA_S1, DATA_S2, DATA_S3, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL}, |
339 | {SIZE_S1, SIZE_S2, SIZE_S3, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL}, | |
340 | {2666, 2666, 2666, 8002, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
341 | |
342 | {TONE_GERMAN_GASSENBESETZT, | |
475be4d8 JP |
343 | {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
344 | {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
345 | {2000, 2000, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
346 | |
347 | {TONE_GERMAN_AUFSCHALTTON, | |
475be4d8 JP |
348 | {DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL}, |
349 | {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL}, | |
350 | {1000, 5000, 1000, 17000, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
351 | |
352 | {0, | |
475be4d8 JP |
353 | {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
354 | {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, | |
355 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, | |
960366cf KK |
356 | }; |
357 | ||
358 | /****************** | |
359 | * copy tone data * | |
360 | ******************/ | |
361 | ||
362 | /* an sk_buff is generated from the number of samples needed. | |
363 | * the count will be changed and may begin from 0 each pattern period. | |
364 | * the clue is to precalculate the pointers and legths to use only one | |
365 | * memcpy per function call, or two memcpy if the tone sequence changes. | |
366 | * | |
367 | * pattern - the type of the pattern | |
368 | * count - the sample from the beginning of the pattern (phase) | |
369 | * len - the number of bytes | |
370 | * | |
371 | * return - the sk_buff with the sample | |
372 | * | |
373 | * if tones has finished (e.g. knocking tone), dsp->tones is turned off | |
374 | */ | |
375 | void dsp_tone_copy(struct dsp *dsp, u8 *data, int len) | |
376 | { | |
377 | int index, count, start, num; | |
378 | struct pattern *pat; | |
379 | struct dsp_tone *tone = &dsp->tone; | |
380 | ||
381 | /* if we have no tone, we copy silence */ | |
382 | if (!tone->tone) { | |
383 | memset(data, dsp_silence, len); | |
384 | return; | |
385 | } | |
386 | ||
387 | /* process pattern */ | |
388 | pat = (struct pattern *)tone->pattern; | |
475be4d8 | 389 | /* points to the current pattern */ |
960366cf KK |
390 | index = tone->index; /* gives current sequence index */ |
391 | count = tone->count; /* gives current sample */ | |
392 | ||
393 | /* copy sample */ | |
394 | while (len) { | |
395 | /* find sample to start with */ | |
396 | while (42) { | |
25985edc | 397 | /* wrap around */ |
960366cf KK |
398 | if (!pat->seq[index]) { |
399 | count = 0; | |
400 | index = 0; | |
401 | } | |
402 | /* check if we are currently playing this tone */ | |
403 | if (count < pat->seq[index]) | |
404 | break; | |
405 | if (dsp_debug & DEBUG_DSP_TONE) | |
406 | printk(KERN_DEBUG "%s: reaching next sequence " | |
475be4d8 | 407 | "(index=%d)\n", __func__, index); |
960366cf KK |
408 | count -= pat->seq[index]; |
409 | index++; | |
410 | } | |
411 | /* calculate start and number of samples */ | |
412 | start = count % (*(pat->siz[index])); | |
413 | num = len; | |
475be4d8 | 414 | if (num + count > pat->seq[index]) |
960366cf | 415 | num = pat->seq[index] - count; |
475be4d8 | 416 | if (num + start > (*(pat->siz[index]))) |
960366cf KK |
417 | num = (*(pat->siz[index])) - start; |
418 | /* copy memory */ | |
475be4d8 | 419 | memcpy(data, pat->data[index] + start, num); |
960366cf KK |
420 | /* reduce length */ |
421 | data += num; | |
422 | count += num; | |
423 | len -= num; | |
424 | } | |
425 | tone->index = index; | |
426 | tone->count = count; | |
427 | ||
428 | /* return sk_buff */ | |
429 | return; | |
430 | } | |
431 | ||
432 | ||
433 | /******************************* | |
434 | * send HW message to hfc card * | |
435 | *******************************/ | |
436 | ||
437 | static void | |
438 | dsp_tone_hw_message(struct dsp *dsp, u8 *sample, int len) | |
439 | { | |
440 | struct sk_buff *nskb; | |
441 | ||
442 | /* unlocking is not required, because we don't expect a response */ | |
443 | nskb = _alloc_mISDN_skb(PH_CONTROL_REQ, | |
475be4d8 JP |
444 | (len) ? HFC_SPL_LOOP_ON : HFC_SPL_LOOP_OFF, len, sample, |
445 | GFP_ATOMIC); | |
960366cf KK |
446 | if (nskb) { |
447 | if (dsp->ch.peer) { | |
448 | if (dsp->ch.recv(dsp->ch.peer, nskb)) | |
449 | dev_kfree_skb(nskb); | |
450 | } else | |
451 | dev_kfree_skb(nskb); | |
452 | } | |
453 | } | |
454 | ||
455 | ||
456 | /***************** | |
457 | * timer expires * | |
458 | *****************/ | |
459 | void | |
460 | dsp_tone_timeout(void *arg) | |
461 | { | |
462 | struct dsp *dsp = arg; | |
463 | struct dsp_tone *tone = &dsp->tone; | |
464 | struct pattern *pat = (struct pattern *)tone->pattern; | |
465 | int index = tone->index; | |
466 | ||
467 | if (!tone->tone) | |
468 | return; | |
469 | ||
470 | index++; | |
471 | if (!pat->seq[index]) | |
472 | index = 0; | |
473 | tone->index = index; | |
474 | ||
475 | /* set next tone */ | |
476 | if (pat->data[index] == DATA_S) | |
bcf91745 | 477 | dsp_tone_hw_message(dsp, NULL, 0); |
960366cf KK |
478 | else |
479 | dsp_tone_hw_message(dsp, pat->data[index], *(pat->siz[index])); | |
480 | /* set timer */ | |
481 | init_timer(&tone->tl); | |
482 | tone->tl.expires = jiffies + (pat->seq[index] * HZ) / 8000; | |
483 | add_timer(&tone->tl); | |
484 | } | |
485 | ||
486 | ||
487 | /******************** | |
488 | * set/release tone * | |
489 | ********************/ | |
490 | ||
491 | /* | |
492 | * tones are relaized by streaming or by special loop commands if supported | |
493 | * by hardware. when hardware is used, the patterns will be controlled by | |
494 | * timers. | |
495 | */ | |
496 | int | |
497 | dsp_tone(struct dsp *dsp, int tone) | |
498 | { | |
499 | struct pattern *pat; | |
500 | int i; | |
501 | struct dsp_tone *tonet = &dsp->tone; | |
502 | ||
503 | tonet->software = 0; | |
504 | tonet->hardware = 0; | |
505 | ||
506 | /* we turn off the tone */ | |
507 | if (!tone) { | |
eac74af9 | 508 | if (dsp->features.hfc_loops && timer_pending(&tonet->tl)) |
960366cf KK |
509 | del_timer(&tonet->tl); |
510 | if (dsp->features.hfc_loops) | |
511 | dsp_tone_hw_message(dsp, NULL, 0); | |
512 | tonet->tone = 0; | |
513 | return 0; | |
514 | } | |
515 | ||
516 | pat = NULL; | |
517 | i = 0; | |
518 | while (pattern[i].tone) { | |
519 | if (pattern[i].tone == tone) { | |
520 | pat = &pattern[i]; | |
521 | break; | |
522 | } | |
523 | i++; | |
524 | } | |
525 | if (!pat) { | |
526 | printk(KERN_WARNING "dsp: given tone 0x%x is invalid\n", tone); | |
527 | return -EINVAL; | |
528 | } | |
529 | if (dsp_debug & DEBUG_DSP_TONE) | |
530 | printk(KERN_DEBUG "%s: now starting tone %d (index=%d)\n", | |
475be4d8 | 531 | __func__, tone, 0); |
960366cf KK |
532 | tonet->tone = tone; |
533 | tonet->pattern = pat; | |
534 | tonet->index = 0; | |
535 | tonet->count = 0; | |
536 | ||
537 | if (dsp->features.hfc_loops) { | |
538 | tonet->hardware = 1; | |
539 | /* set first tone */ | |
540 | dsp_tone_hw_message(dsp, pat->data[0], *(pat->siz[0])); | |
541 | /* set timer */ | |
542 | if (timer_pending(&tonet->tl)) | |
543 | del_timer(&tonet->tl); | |
544 | init_timer(&tonet->tl); | |
545 | tonet->tl.expires = jiffies + (pat->seq[0] * HZ) / 8000; | |
546 | add_timer(&tonet->tl); | |
547 | } else { | |
548 | tonet->software = 1; | |
549 | } | |
550 | ||
551 | return 0; | |
552 | } |