aboutsummaryrefslogtreecommitdiffstats
path: root/sound/usb/usbaudio.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/usb/usbaudio.h')
-rw-r--r--sound/usb/usbaudio.h93
1 files changed, 5 insertions, 88 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 42c299cbf63a..d679e72a3e5c 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -21,15 +21,13 @@
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */ 22 */
23 23
24/* maximum number of endpoints per interface */
25#define MIDI_MAX_ENDPOINTS 2
26
27/* handling of USB vendor/product ID pairs as 32-bit numbers */ 24/* handling of USB vendor/product ID pairs as 32-bit numbers */
28#define USB_ID(vendor, product) (((vendor) << 16) | (product)) 25#define USB_ID(vendor, product) (((vendor) << 16) | (product))
29#define USB_ID_VENDOR(id) ((id) >> 16) 26#define USB_ID_VENDOR(id) ((id) >> 16)
30#define USB_ID_PRODUCT(id) ((u16)(id)) 27#define USB_ID_PRODUCT(id) ((u16)(id))
31 28
32/* 29/*
30 *
33 */ 31 */
34 32
35struct snd_usb_audio { 33struct snd_usb_audio {
@@ -51,6 +49,10 @@ struct snd_usb_audio {
51 struct list_head midi_list; /* list of midi interfaces */ 49 struct list_head midi_list; /* list of midi interfaces */
52 50
53 struct list_head mixer_list; /* list of mixer interfaces */ 51 struct list_head mixer_list; /* list of mixer interfaces */
52
53 int setup; /* from the 'device_setup' module param */
54 int nrpacks; /* from the 'nrpacks' module param */
55 int async_unlink; /* from the 'async_unlink' module param */
54}; 56};
55 57
56/* 58/*
@@ -89,93 +91,8 @@ struct snd_usb_audio_quirk {
89 const void *data; 91 const void *data;
90}; 92};
91 93
92/* data for QUIRK_MIDI_FIXED_ENDPOINT */
93struct snd_usb_midi_endpoint_info {
94 int8_t out_ep; /* ep number, 0 autodetect */
95 uint8_t out_interval; /* interval for interrupt endpoints */
96 int8_t in_ep;
97 uint8_t in_interval;
98 uint16_t out_cables; /* bitmask */
99 uint16_t in_cables; /* bitmask */
100};
101
102/* for QUIRK_MIDI_YAMAHA, data is NULL */
103
104/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
105 * structure (out_cables and in_cables only) */
106
107/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
108 * structures, terminated with .ifnum = -1 */
109
110/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
111
112/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
113
114/* for QUIRK_AUDIO_EDIROL_UAXX, data is NULL */
115
116/* for QUIRK_IGNORE_INTERFACE, data is NULL */
117
118/* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
119
120/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
121 * structure (out_cables and in_cables only) */
122
123/* for QUIRK_MIDI_CME, data is NULL */
124
125/*
126 */
127
128/*E-mu USB samplerate control quirk*/
129enum {
130 EMU_QUIRK_SR_44100HZ = 0,
131 EMU_QUIRK_SR_48000HZ,
132 EMU_QUIRK_SR_88200HZ,
133 EMU_QUIRK_SR_96000HZ,
134 EMU_QUIRK_SR_176400HZ,
135 EMU_QUIRK_SR_192000HZ
136};
137
138#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8)) 94#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
139#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) 95#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
140#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) 96#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
141 97
142unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
143
144void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
145void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);
146
147int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
148 __u8 request, __u8 requesttype, __u16 value, __u16 index,
149 void *data, __u16 size, int timeout);
150
151int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
152 int ignore_error);
153void snd_usb_mixer_disconnect(struct list_head *p);
154
155int snd_usbmidi_create(struct snd_card *card,
156 struct usb_interface *iface,
157 struct list_head *midi_list,
158 const struct snd_usb_audio_quirk *quirk);
159void snd_usbmidi_input_stop(struct list_head* p);
160void snd_usbmidi_input_start(struct list_head* p);
161void snd_usbmidi_disconnect(struct list_head *p);
162
163void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
164 unsigned char samplerate_id);
165
166/*
167 * retrieve usb_interface descriptor from the host interface
168 * (conditional for compatibility with the older API)
169 */
170#ifndef get_iface_desc
171#define get_iface_desc(iface) (&(iface)->desc)
172#define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc)
173#define get_ep_desc(ep) (&(ep)->desc)
174#define get_cfg_desc(cfg) (&(cfg)->desc)
175#endif
176
177#ifndef snd_usb_get_speed
178#define snd_usb_get_speed(dev) ((dev)->speed)
179#endif
180
181#endif /* __USBAUDIO_H */ 98#endif /* __USBAUDIO_H */