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usb_template_audio.c (246122) usb_template_audio.c (246123)
1/* $FreeBSD: head/sys/dev/usb/template/usb_template_audio.c 246122 2013-01-30 15:26:04Z hselasky $ */
1/* $FreeBSD: head/sys/dev/usb/template/usb_template_audio.c 246123 2013-01-30 15:46:26Z hselasky $ */
2/*-
3 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.

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47#include <sys/sx.h>
48#include <sys/unistd.h>
49#include <sys/callout.h>
50#include <sys/malloc.h>
51#include <sys/priv.h>
52
53#include <dev/usb/usb.h>
54#include <dev/usb/usbdi.h>
2/*-
3 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.

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47#include <sys/sx.h>
48#include <sys/unistd.h>
49#include <sys/callout.h>
50#include <sys/malloc.h>
51#include <sys/priv.h>
52
53#include <dev/usb/usb.h>
54#include <dev/usb/usbdi.h>
55#include <dev/usb/usb_core.h>
55#include <dev/usb/usb_cdc.h>
56
57#include <dev/usb/template/usb_template.h>
58#endif /* USB_GLOBAL_INCLUDE_FILE */
59
60enum {
61 INDEX_AUDIO_LANG,
62 INDEX_AUDIO_MIXER,
63 INDEX_AUDIO_RECORD,
64 INDEX_AUDIO_PLAYBACK,
65 INDEX_AUDIO_PRODUCT,
66 INDEX_AUDIO_MAX,
67};
68
56#include <dev/usb/usb_cdc.h>
57
58#include <dev/usb/template/usb_template.h>
59#endif /* USB_GLOBAL_INCLUDE_FILE */
60
61enum {
62 INDEX_AUDIO_LANG,
63 INDEX_AUDIO_MIXER,
64 INDEX_AUDIO_RECORD,
65 INDEX_AUDIO_PLAYBACK,
66 INDEX_AUDIO_PRODUCT,
67 INDEX_AUDIO_MAX,
68};
69
69#define STRING_LANG \
70 0x09, 0x04, /* American English */
71
72#define STRING_AUDIO_PRODUCT \
73 'A', 0, 'u', 0, 'd', 0, 'i', 0, 'o', 0, ' ', 0, \
74 'T', 0, 'e', 0, 's', 0, 't', 0, ' ', 0, \
75 'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0,
76
77#define STRING_AUDIO_MIXER \
78 'M', 0, 'i', 0, 'x', 0, 'e', 0, 'r', 0, ' ', 0, \
79 'i', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0,

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84
85#define STRING_AUDIO_PLAYBACK \
86 'P', 0, 'l', 0, 'a', 0, 'y', 0, 'b', 0, 'a', 0, 'c', 0, 'k', 0, ' ', 0, \
87 'i', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0,
88
89
90/* make the real string descriptors */
91
70#define STRING_AUDIO_PRODUCT \
71 'A', 0, 'u', 0, 'd', 0, 'i', 0, 'o', 0, ' ', 0, \
72 'T', 0, 'e', 0, 's', 0, 't', 0, ' ', 0, \
73 'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0,
74
75#define STRING_AUDIO_MIXER \
76 'M', 0, 'i', 0, 'x', 0, 'e', 0, 'r', 0, ' ', 0, \
77 'i', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0,

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82
83#define STRING_AUDIO_PLAYBACK \
84 'P', 0, 'l', 0, 'a', 0, 'y', 0, 'b', 0, 'a', 0, 'c', 0, 'k', 0, ' ', 0, \
85 'i', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0,
86
87
88/* make the real string descriptors */
89
92USB_MAKE_STRING_DESC(STRING_LANG, string_lang);
93USB_MAKE_STRING_DESC(STRING_AUDIO_MIXER, string_audio_mixer);
94USB_MAKE_STRING_DESC(STRING_AUDIO_RECORD, string_audio_record);
95USB_MAKE_STRING_DESC(STRING_AUDIO_PLAYBACK, string_audio_playback);
96USB_MAKE_STRING_DESC(STRING_AUDIO_PRODUCT, string_audio_product);
97
98/* prototypes */
99
100/*

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382 * Return values:
383 * NULL: Failure. No such string.
384 * Else: Success. Pointer to string descriptor is returned.
385 *------------------------------------------------------------------------*/
386static const void *
387audio_get_string_desc(uint16_t lang_id, uint8_t string_index)
388{
389 static const void *ptr[INDEX_AUDIO_MAX] = {
90USB_MAKE_STRING_DESC(STRING_AUDIO_MIXER, string_audio_mixer);
91USB_MAKE_STRING_DESC(STRING_AUDIO_RECORD, string_audio_record);
92USB_MAKE_STRING_DESC(STRING_AUDIO_PLAYBACK, string_audio_playback);
93USB_MAKE_STRING_DESC(STRING_AUDIO_PRODUCT, string_audio_product);
94
95/* prototypes */
96
97/*

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379 * Return values:
380 * NULL: Failure. No such string.
381 * Else: Success. Pointer to string descriptor is returned.
382 *------------------------------------------------------------------------*/
383static const void *
384audio_get_string_desc(uint16_t lang_id, uint8_t string_index)
385{
386 static const void *ptr[INDEX_AUDIO_MAX] = {
390 [INDEX_AUDIO_LANG] = &string_lang,
387 [INDEX_AUDIO_LANG] = &usb_string_lang_en,
391 [INDEX_AUDIO_MIXER] = &string_audio_mixer,
392 [INDEX_AUDIO_RECORD] = &string_audio_record,
393 [INDEX_AUDIO_PLAYBACK] = &string_audio_playback,
394 [INDEX_AUDIO_PRODUCT] = &string_audio_product,
395 };
396
397 if (string_index == 0) {
388 [INDEX_AUDIO_MIXER] = &string_audio_mixer,
389 [INDEX_AUDIO_RECORD] = &string_audio_record,
390 [INDEX_AUDIO_PLAYBACK] = &string_audio_playback,
391 [INDEX_AUDIO_PRODUCT] = &string_audio_product,
392 };
393
394 if (string_index == 0) {
398 return (&string_lang);
395 return (&usb_string_lang_en);
399 }
400 if (lang_id != 0x0409) {
401 return (NULL);
402 }
403 if (string_index < INDEX_AUDIO_MAX) {
404 return (ptr[string_index]);
405 }
406 return (NULL);
407}
396 }
397 if (lang_id != 0x0409) {
398 return (NULL);
399 }
400 if (string_index < INDEX_AUDIO_MAX) {
401 return (ptr[string_index]);
402 }
403 return (NULL);
404}