1f1ae32a1SGerd Hoffmann /*
2f1ae32a1SGerd Hoffmann * QEMU USB audio device
3f1ae32a1SGerd Hoffmann *
4f1ae32a1SGerd Hoffmann * written by:
5f1ae32a1SGerd Hoffmann * H. Peter Anvin <hpa@linux.intel.com>
6f1ae32a1SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com>
7f1ae32a1SGerd Hoffmann *
8f1ae32a1SGerd Hoffmann * lousely based on usb net device code which is:
9f1ae32a1SGerd Hoffmann *
10f1ae32a1SGerd Hoffmann * Copyright (c) 2006 Thomas Sailer
11f1ae32a1SGerd Hoffmann * Copyright (c) 2008 Andrzej Zaborowski
12f1ae32a1SGerd Hoffmann *
13f1ae32a1SGerd Hoffmann * Permission is hereby granted, free of charge, to any person obtaining a copy
14f1ae32a1SGerd Hoffmann * of this software and associated documentation files (the "Software"), to deal
15f1ae32a1SGerd Hoffmann * in the Software without restriction, including without limitation the rights
16f1ae32a1SGerd Hoffmann * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17f1ae32a1SGerd Hoffmann * copies of the Software, and to permit persons to whom the Software is
18f1ae32a1SGerd Hoffmann * furnished to do so, subject to the following conditions:
19f1ae32a1SGerd Hoffmann *
20f1ae32a1SGerd Hoffmann * The above copyright notice and this permission notice shall be included in
21f1ae32a1SGerd Hoffmann * all copies or substantial portions of the Software.
22f1ae32a1SGerd Hoffmann *
23f1ae32a1SGerd Hoffmann * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24f1ae32a1SGerd Hoffmann * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25f1ae32a1SGerd Hoffmann * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26f1ae32a1SGerd Hoffmann * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27f1ae32a1SGerd Hoffmann * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28f1ae32a1SGerd Hoffmann * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29f1ae32a1SGerd Hoffmann * THE SOFTWARE.
30f1ae32a1SGerd Hoffmann */
31f1ae32a1SGerd Hoffmann
32e532b2e0SPeter Maydell #include "qemu/osdep.h"
330b8fa32fSMarkus Armbruster #include "qemu/module.h"
34a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h"
35f1ae32a1SGerd Hoffmann #include "hw/usb.h"
36d6454270SMarkus Armbruster #include "migration/vmstate.h"
37463581a8SMichael S. Tsirkin #include "desc.h"
38f1ae32a1SGerd Hoffmann #include "audio/audio.h"
39db1015e9SEduardo Habkost #include "qom/object.h"
40f1ae32a1SGerd Hoffmann
413e44607eSKővágó, Zoltán static void usb_audio_reinit(USBDevice *dev, unsigned channels);
423e44607eSKővágó, Zoltán
43f1ae32a1SGerd Hoffmann #define USBAUDIO_VENDOR_NUM 0x46f4 /* CRC16() of "QEMU" */
44f1ae32a1SGerd Hoffmann #define USBAUDIO_PRODUCT_NUM 0x0002
45f1ae32a1SGerd Hoffmann
46f1ae32a1SGerd Hoffmann #define DEV_CONFIG_VALUE 1 /* The one and only */
47f1ae32a1SGerd Hoffmann
483e44607eSKővágó, Zoltán #define USBAUDIO_MAX_CHANNELS(s) (s->multi ? 8 : 2)
493e44607eSKővágó, Zoltán
50f1ae32a1SGerd Hoffmann /* Descriptor subtypes for AC interfaces */
51f1ae32a1SGerd Hoffmann #define DST_AC_HEADER 1
52f1ae32a1SGerd Hoffmann #define DST_AC_INPUT_TERMINAL 2
53f1ae32a1SGerd Hoffmann #define DST_AC_OUTPUT_TERMINAL 3
54f1ae32a1SGerd Hoffmann #define DST_AC_FEATURE_UNIT 6
55f1ae32a1SGerd Hoffmann /* Descriptor subtypes for AS interfaces */
56f1ae32a1SGerd Hoffmann #define DST_AS_GENERAL 1
57f1ae32a1SGerd Hoffmann #define DST_AS_FORMAT_TYPE 2
58f1ae32a1SGerd Hoffmann /* Descriptor subtypes for endpoints */
59f1ae32a1SGerd Hoffmann #define DST_EP_GENERAL 1
60f1ae32a1SGerd Hoffmann
61f1ae32a1SGerd Hoffmann enum usb_audio_strings {
62f1ae32a1SGerd Hoffmann STRING_NULL,
63f1ae32a1SGerd Hoffmann STRING_MANUFACTURER,
64f1ae32a1SGerd Hoffmann STRING_PRODUCT,
65f1ae32a1SGerd Hoffmann STRING_SERIALNUMBER,
66f1ae32a1SGerd Hoffmann STRING_CONFIG,
67f1ae32a1SGerd Hoffmann STRING_USBAUDIO_CONTROL,
68f1ae32a1SGerd Hoffmann STRING_INPUT_TERMINAL,
69f1ae32a1SGerd Hoffmann STRING_FEATURE_UNIT,
70f1ae32a1SGerd Hoffmann STRING_OUTPUT_TERMINAL,
71f1ae32a1SGerd Hoffmann STRING_NULL_STREAM,
72f1ae32a1SGerd Hoffmann STRING_REAL_STREAM,
73f1ae32a1SGerd Hoffmann };
74f1ae32a1SGerd Hoffmann
75f1ae32a1SGerd Hoffmann static const USBDescStrings usb_audio_stringtable = {
76f1ae32a1SGerd Hoffmann [STRING_MANUFACTURER] = "QEMU",
77f1ae32a1SGerd Hoffmann [STRING_PRODUCT] = "QEMU USB Audio",
78f1ae32a1SGerd Hoffmann [STRING_SERIALNUMBER] = "1",
79f1ae32a1SGerd Hoffmann [STRING_CONFIG] = "Audio Configuration",
80f1ae32a1SGerd Hoffmann [STRING_USBAUDIO_CONTROL] = "Audio Device",
81f1ae32a1SGerd Hoffmann [STRING_INPUT_TERMINAL] = "Audio Output Pipe",
82f1ae32a1SGerd Hoffmann [STRING_FEATURE_UNIT] = "Audio Output Volume Control",
83f1ae32a1SGerd Hoffmann [STRING_OUTPUT_TERMINAL] = "Audio Output Terminal",
84f1ae32a1SGerd Hoffmann [STRING_NULL_STREAM] = "Audio Output - Disabled",
85f1ae32a1SGerd Hoffmann [STRING_REAL_STREAM] = "Audio Output - 48 kHz Stereo",
86f1ae32a1SGerd Hoffmann };
87f1ae32a1SGerd Hoffmann
883e44607eSKővágó, Zoltán /*
893e44607eSKővágó, Zoltán * A USB audio device supports an arbitrary number of alternate
903e44607eSKővágó, Zoltán * interface settings for each interface. Each corresponds to a block
913e44607eSKővágó, Zoltán * diagram of parameterized blocks. This can thus refer to things like
923e44607eSKővágó, Zoltán * number of channels, data rates, or in fact completely different
933e44607eSKővágó, Zoltán * block diagrams. Alternative setting 0 is always the null block diagram,
943e44607eSKővágó, Zoltán * which is used by a disabled device.
953e44607eSKővágó, Zoltán */
963e44607eSKővágó, Zoltán enum usb_audio_altset {
973e44607eSKővágó, Zoltán ALTSET_OFF = 0x00, /* No endpoint */
983e44607eSKővágó, Zoltán ALTSET_STEREO = 0x01, /* Single endpoint */
993e44607eSKővágó, Zoltán ALTSET_51 = 0x02,
1003e44607eSKővágó, Zoltán ALTSET_71 = 0x03,
1013e44607eSKővágó, Zoltán };
1023e44607eSKővágó, Zoltán
1033e44607eSKővágó, Zoltán static unsigned altset_channels[] = {
1043e44607eSKővágó, Zoltán [ALTSET_STEREO] = 2,
1053e44607eSKővágó, Zoltán [ALTSET_51] = 6,
1063e44607eSKővágó, Zoltán [ALTSET_71] = 8,
1073e44607eSKővágó, Zoltán };
1083e44607eSKővágó, Zoltán
109f1ae32a1SGerd Hoffmann #define U16(x) ((x) & 0xff), (((x) >> 8) & 0xff)
110f1ae32a1SGerd Hoffmann #define U24(x) U16(x), (((x) >> 16) & 0xff)
111f1ae32a1SGerd Hoffmann #define U32(x) U24(x), (((x) >> 24) & 0xff)
112f1ae32a1SGerd Hoffmann
113f1ae32a1SGerd Hoffmann /*
114f1ae32a1SGerd Hoffmann * A Basic Audio Device uses these specific values
115f1ae32a1SGerd Hoffmann */
1163e44607eSKővágó, Zoltán #define USBAUDIO_PACKET_SIZE_BASE 96
1173e44607eSKővágó, Zoltán #define USBAUDIO_PACKET_SIZE(channels) (USBAUDIO_PACKET_SIZE_BASE * channels)
118f1ae32a1SGerd Hoffmann #define USBAUDIO_SAMPLE_RATE 48000
119f1ae32a1SGerd Hoffmann #define USBAUDIO_PACKET_INTERVAL 1
120f1ae32a1SGerd Hoffmann
121f1ae32a1SGerd Hoffmann static const USBDescIface desc_iface[] = {
122f1ae32a1SGerd Hoffmann {
123f1ae32a1SGerd Hoffmann .bInterfaceNumber = 0,
124f1ae32a1SGerd Hoffmann .bNumEndpoints = 0,
125f1ae32a1SGerd Hoffmann .bInterfaceClass = USB_CLASS_AUDIO,
126f1ae32a1SGerd Hoffmann .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
127f1ae32a1SGerd Hoffmann .bInterfaceProtocol = 0x04,
128f1ae32a1SGerd Hoffmann .iInterface = STRING_USBAUDIO_CONTROL,
129f1ae32a1SGerd Hoffmann .ndesc = 4,
130f1ae32a1SGerd Hoffmann .descs = (USBDescOther[]) {
131f1ae32a1SGerd Hoffmann {
132f1ae32a1SGerd Hoffmann /* Headphone Class-Specific AC Interface Header Descriptor */
133f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
134f1ae32a1SGerd Hoffmann 0x09, /* u8 bLength */
135f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
136f1ae32a1SGerd Hoffmann DST_AC_HEADER, /* u8 bDescriptorSubtype */
137f1ae32a1SGerd Hoffmann U16(0x0100), /* u16 bcdADC */
138f1ae32a1SGerd Hoffmann U16(0x2b), /* u16 wTotalLength */
139f1ae32a1SGerd Hoffmann 0x01, /* u8 bInCollection */
140f1ae32a1SGerd Hoffmann 0x01, /* u8 baInterfaceNr */
141f1ae32a1SGerd Hoffmann }
142f1ae32a1SGerd Hoffmann },{
143f1ae32a1SGerd Hoffmann /* Generic Stereo Input Terminal ID1 Descriptor */
144f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
145f1ae32a1SGerd Hoffmann 0x0c, /* u8 bLength */
146f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
147f1ae32a1SGerd Hoffmann DST_AC_INPUT_TERMINAL, /* u8 bDescriptorSubtype */
148f1ae32a1SGerd Hoffmann 0x01, /* u8 bTerminalID */
149f1ae32a1SGerd Hoffmann U16(0x0101), /* u16 wTerminalType */
150f1ae32a1SGerd Hoffmann 0x00, /* u8 bAssocTerminal */
1513e44607eSKővágó, Zoltán 0x02, /* u8 bNrChannels */
152f1ae32a1SGerd Hoffmann U16(0x0003), /* u16 wChannelConfig */
153f1ae32a1SGerd Hoffmann 0x00, /* u8 iChannelNames */
154f1ae32a1SGerd Hoffmann STRING_INPUT_TERMINAL, /* u8 iTerminal */
155f1ae32a1SGerd Hoffmann }
156f1ae32a1SGerd Hoffmann },{
157f1ae32a1SGerd Hoffmann /* Generic Stereo Feature Unit ID2 Descriptor */
158f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
159f1ae32a1SGerd Hoffmann 0x0d, /* u8 bLength */
160f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
161f1ae32a1SGerd Hoffmann DST_AC_FEATURE_UNIT, /* u8 bDescriptorSubtype */
162f1ae32a1SGerd Hoffmann 0x02, /* u8 bUnitID */
163f1ae32a1SGerd Hoffmann 0x01, /* u8 bSourceID */
164f1ae32a1SGerd Hoffmann 0x02, /* u8 bControlSize */
165f1ae32a1SGerd Hoffmann U16(0x0001), /* u16 bmaControls(0) */
166f1ae32a1SGerd Hoffmann U16(0x0002), /* u16 bmaControls(1) */
167f1ae32a1SGerd Hoffmann U16(0x0002), /* u16 bmaControls(2) */
168f1ae32a1SGerd Hoffmann STRING_FEATURE_UNIT, /* u8 iFeature */
169f1ae32a1SGerd Hoffmann }
170f1ae32a1SGerd Hoffmann },{
171ae420c95SCai Huoqing /* Headphone Output Terminal ID3 Descriptor */
172f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
173f1ae32a1SGerd Hoffmann 0x09, /* u8 bLength */
174f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
175f1ae32a1SGerd Hoffmann DST_AC_OUTPUT_TERMINAL, /* u8 bDescriptorSubtype */
176f1ae32a1SGerd Hoffmann 0x03, /* u8 bUnitID */
177f1ae32a1SGerd Hoffmann U16(0x0301), /* u16 wTerminalType (SPK) */
178f1ae32a1SGerd Hoffmann 0x00, /* u8 bAssocTerminal */
179f1ae32a1SGerd Hoffmann 0x02, /* u8 bSourceID */
180f1ae32a1SGerd Hoffmann STRING_OUTPUT_TERMINAL, /* u8 iTerminal */
181f1ae32a1SGerd Hoffmann }
182f1ae32a1SGerd Hoffmann }
183f1ae32a1SGerd Hoffmann },
184f1ae32a1SGerd Hoffmann },{
185f1ae32a1SGerd Hoffmann .bInterfaceNumber = 1,
1863e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_OFF,
187f1ae32a1SGerd Hoffmann .bNumEndpoints = 0,
188f1ae32a1SGerd Hoffmann .bInterfaceClass = USB_CLASS_AUDIO,
189f1ae32a1SGerd Hoffmann .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
190f1ae32a1SGerd Hoffmann .iInterface = STRING_NULL_STREAM,
191f1ae32a1SGerd Hoffmann },{
192f1ae32a1SGerd Hoffmann .bInterfaceNumber = 1,
1933e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_STEREO,
194f1ae32a1SGerd Hoffmann .bNumEndpoints = 1,
195f1ae32a1SGerd Hoffmann .bInterfaceClass = USB_CLASS_AUDIO,
196f1ae32a1SGerd Hoffmann .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
197f1ae32a1SGerd Hoffmann .iInterface = STRING_REAL_STREAM,
198f1ae32a1SGerd Hoffmann .ndesc = 2,
199f1ae32a1SGerd Hoffmann .descs = (USBDescOther[]) {
200f1ae32a1SGerd Hoffmann {
201f1ae32a1SGerd Hoffmann /* Headphone Class-specific AS General Interface Descriptor */
202f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
203f1ae32a1SGerd Hoffmann 0x07, /* u8 bLength */
204f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
205f1ae32a1SGerd Hoffmann DST_AS_GENERAL, /* u8 bDescriptorSubtype */
206f1ae32a1SGerd Hoffmann 0x01, /* u8 bTerminalLink */
207f1ae32a1SGerd Hoffmann 0x00, /* u8 bDelay */
208f1ae32a1SGerd Hoffmann 0x01, 0x00, /* u16 wFormatTag */
209f1ae32a1SGerd Hoffmann }
210f1ae32a1SGerd Hoffmann },{
211f1ae32a1SGerd Hoffmann /* Headphone Type I Format Type Descriptor */
212f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
213f1ae32a1SGerd Hoffmann 0x0b, /* u8 bLength */
214f1ae32a1SGerd Hoffmann USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
215f1ae32a1SGerd Hoffmann DST_AS_FORMAT_TYPE, /* u8 bDescriptorSubtype */
216f1ae32a1SGerd Hoffmann 0x01, /* u8 bFormatType */
217f1ae32a1SGerd Hoffmann 0x02, /* u8 bNrChannels */
218f1ae32a1SGerd Hoffmann 0x02, /* u8 bSubFrameSize */
219f1ae32a1SGerd Hoffmann 0x10, /* u8 bBitResolution */
220f1ae32a1SGerd Hoffmann 0x01, /* u8 bSamFreqType */
221f1ae32a1SGerd Hoffmann U24(USBAUDIO_SAMPLE_RATE), /* u24 tSamFreq */
222f1ae32a1SGerd Hoffmann }
223f1ae32a1SGerd Hoffmann }
224f1ae32a1SGerd Hoffmann },
225f1ae32a1SGerd Hoffmann .eps = (USBDescEndpoint[]) {
226f1ae32a1SGerd Hoffmann {
227f1ae32a1SGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | 0x01,
228f1ae32a1SGerd Hoffmann .bmAttributes = 0x0d,
2293e44607eSKővágó, Zoltán .wMaxPacketSize = USBAUDIO_PACKET_SIZE(2),
230f1ae32a1SGerd Hoffmann .bInterval = 1,
231f1ae32a1SGerd Hoffmann .is_audio = 1,
232f1ae32a1SGerd Hoffmann /* Stereo Headphone Class-specific
233f1ae32a1SGerd Hoffmann AS Audio Data Endpoint Descriptor */
234f1ae32a1SGerd Hoffmann .extra = (uint8_t[]) {
235f1ae32a1SGerd Hoffmann 0x07, /* u8 bLength */
236f1ae32a1SGerd Hoffmann USB_DT_CS_ENDPOINT, /* u8 bDescriptorType */
237f1ae32a1SGerd Hoffmann DST_EP_GENERAL, /* u8 bDescriptorSubtype */
238f1ae32a1SGerd Hoffmann 0x00, /* u8 bmAttributes */
239f1ae32a1SGerd Hoffmann 0x00, /* u8 bLockDelayUnits */
240f1ae32a1SGerd Hoffmann U16(0x0000), /* u16 wLockDelay */
241f1ae32a1SGerd Hoffmann },
242f1ae32a1SGerd Hoffmann },
243f1ae32a1SGerd Hoffmann }
244f1ae32a1SGerd Hoffmann }
245f1ae32a1SGerd Hoffmann };
246f1ae32a1SGerd Hoffmann
247f1ae32a1SGerd Hoffmann static const USBDescDevice desc_device = {
2482bbd086cSGerd Hoffmann .bcdUSB = 0x0100,
249f1ae32a1SGerd Hoffmann .bMaxPacketSize0 = 64,
250f1ae32a1SGerd Hoffmann .bNumConfigurations = 1,
251f1ae32a1SGerd Hoffmann .confs = (USBDescConfig[]) {
252f1ae32a1SGerd Hoffmann {
253f1ae32a1SGerd Hoffmann .bNumInterfaces = 2,
254f1ae32a1SGerd Hoffmann .bConfigurationValue = DEV_CONFIG_VALUE,
255f1ae32a1SGerd Hoffmann .iConfiguration = STRING_CONFIG,
256bd93976aSPantelis Koukousoulas .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
257f1ae32a1SGerd Hoffmann .bMaxPower = 0x32,
258f1ae32a1SGerd Hoffmann .nif = ARRAY_SIZE(desc_iface),
259f1ae32a1SGerd Hoffmann .ifs = desc_iface,
260f1ae32a1SGerd Hoffmann },
261f1ae32a1SGerd Hoffmann },
262f1ae32a1SGerd Hoffmann };
263f1ae32a1SGerd Hoffmann
264f1ae32a1SGerd Hoffmann static const USBDesc desc_audio = {
265f1ae32a1SGerd Hoffmann .id = {
266f1ae32a1SGerd Hoffmann .idVendor = USBAUDIO_VENDOR_NUM,
267f1ae32a1SGerd Hoffmann .idProduct = USBAUDIO_PRODUCT_NUM,
268f1ae32a1SGerd Hoffmann .bcdDevice = 0,
269f1ae32a1SGerd Hoffmann .iManufacturer = STRING_MANUFACTURER,
270f1ae32a1SGerd Hoffmann .iProduct = STRING_PRODUCT,
271f1ae32a1SGerd Hoffmann .iSerialNumber = STRING_SERIALNUMBER,
272f1ae32a1SGerd Hoffmann },
273f1ae32a1SGerd Hoffmann .full = &desc_device,
274f1ae32a1SGerd Hoffmann .str = usb_audio_stringtable,
275f1ae32a1SGerd Hoffmann };
276f1ae32a1SGerd Hoffmann
2773e44607eSKővágó, Zoltán /* multi channel compatible desc */
2783e44607eSKővágó, Zoltán
2793e44607eSKővágó, Zoltán static const USBDescIface desc_iface_multi[] = {
2803e44607eSKővágó, Zoltán {
2813e44607eSKővágó, Zoltán .bInterfaceNumber = 0,
2823e44607eSKővágó, Zoltán .bNumEndpoints = 0,
2833e44607eSKővágó, Zoltán .bInterfaceClass = USB_CLASS_AUDIO,
2843e44607eSKővágó, Zoltán .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
2853e44607eSKővágó, Zoltán .bInterfaceProtocol = 0x04,
2863e44607eSKővágó, Zoltán .iInterface = STRING_USBAUDIO_CONTROL,
2873e44607eSKővágó, Zoltán .ndesc = 4,
2883e44607eSKővágó, Zoltán .descs = (USBDescOther[]) {
2893e44607eSKővágó, Zoltán {
2903e44607eSKővágó, Zoltán /* Headphone Class-Specific AC Interface Header Descriptor */
2913e44607eSKővágó, Zoltán .data = (uint8_t[]) {
2923e44607eSKővágó, Zoltán 0x09, /* u8 bLength */
2933e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
2943e44607eSKővágó, Zoltán DST_AC_HEADER, /* u8 bDescriptorSubtype */
2953e44607eSKővágó, Zoltán U16(0x0100), /* u16 bcdADC */
2963e44607eSKővágó, Zoltán U16(0x38), /* u16 wTotalLength */
2973e44607eSKővágó, Zoltán 0x01, /* u8 bInCollection */
2983e44607eSKővágó, Zoltán 0x01, /* u8 baInterfaceNr */
2993e44607eSKővágó, Zoltán }
3003e44607eSKővágó, Zoltán },{
3013e44607eSKővágó, Zoltán /* Generic Stereo Input Terminal ID1 Descriptor */
3023e44607eSKővágó, Zoltán .data = (uint8_t[]) {
3033e44607eSKővágó, Zoltán 0x0c, /* u8 bLength */
3043e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
3053e44607eSKővágó, Zoltán DST_AC_INPUT_TERMINAL, /* u8 bDescriptorSubtype */
3063e44607eSKővágó, Zoltán 0x01, /* u8 bTerminalID */
3073e44607eSKővágó, Zoltán U16(0x0101), /* u16 wTerminalType */
3083e44607eSKővágó, Zoltán 0x00, /* u8 bAssocTerminal */
3093e44607eSKővágó, Zoltán 0x08, /* u8 bNrChannels */
3103e44607eSKővágó, Zoltán U16(0x063f), /* u16 wChannelConfig */
3113e44607eSKővágó, Zoltán 0x00, /* u8 iChannelNames */
3123e44607eSKővágó, Zoltán STRING_INPUT_TERMINAL, /* u8 iTerminal */
3133e44607eSKővágó, Zoltán }
3143e44607eSKővágó, Zoltán },{
3153e44607eSKővágó, Zoltán /* Generic Stereo Feature Unit ID2 Descriptor */
3163e44607eSKővágó, Zoltán .data = (uint8_t[]) {
3173e44607eSKővágó, Zoltán 0x19, /* u8 bLength */
3183e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
3193e44607eSKővágó, Zoltán DST_AC_FEATURE_UNIT, /* u8 bDescriptorSubtype */
3203e44607eSKővágó, Zoltán 0x02, /* u8 bUnitID */
3213e44607eSKővágó, Zoltán 0x01, /* u8 bSourceID */
3223e44607eSKővágó, Zoltán 0x02, /* u8 bControlSize */
3233e44607eSKővágó, Zoltán U16(0x0001), /* u16 bmaControls(0) */
3243e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(1) */
3253e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(2) */
3263e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(3) */
3273e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(4) */
3283e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(5) */
3293e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(6) */
3303e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(7) */
3313e44607eSKővágó, Zoltán U16(0x0002), /* u16 bmaControls(8) */
3323e44607eSKővágó, Zoltán STRING_FEATURE_UNIT, /* u8 iFeature */
3333e44607eSKővágó, Zoltán }
3343e44607eSKővágó, Zoltán },{
335ae420c95SCai Huoqing /* Headphone Output Terminal ID3 Descriptor */
3363e44607eSKővágó, Zoltán .data = (uint8_t[]) {
3373e44607eSKővágó, Zoltán 0x09, /* u8 bLength */
3383e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
3393e44607eSKővágó, Zoltán DST_AC_OUTPUT_TERMINAL, /* u8 bDescriptorSubtype */
3403e44607eSKővágó, Zoltán 0x03, /* u8 bUnitID */
3413e44607eSKővágó, Zoltán U16(0x0301), /* u16 wTerminalType (SPK) */
3423e44607eSKővágó, Zoltán 0x00, /* u8 bAssocTerminal */
3433e44607eSKővágó, Zoltán 0x02, /* u8 bSourceID */
3443e44607eSKővágó, Zoltán STRING_OUTPUT_TERMINAL, /* u8 iTerminal */
3453e44607eSKővágó, Zoltán }
3463e44607eSKővágó, Zoltán }
3473e44607eSKővágó, Zoltán },
3483e44607eSKővágó, Zoltán },{
3493e44607eSKővágó, Zoltán .bInterfaceNumber = 1,
3503e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_OFF,
3513e44607eSKővágó, Zoltán .bNumEndpoints = 0,
3523e44607eSKővágó, Zoltán .bInterfaceClass = USB_CLASS_AUDIO,
3533e44607eSKővágó, Zoltán .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
3543e44607eSKővágó, Zoltán .iInterface = STRING_NULL_STREAM,
3553e44607eSKővágó, Zoltán },{
3563e44607eSKővágó, Zoltán .bInterfaceNumber = 1,
3573e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_STEREO,
3583e44607eSKővágó, Zoltán .bNumEndpoints = 1,
3593e44607eSKővágó, Zoltán .bInterfaceClass = USB_CLASS_AUDIO,
3603e44607eSKővágó, Zoltán .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
3613e44607eSKővágó, Zoltán .iInterface = STRING_REAL_STREAM,
3623e44607eSKővágó, Zoltán .ndesc = 2,
3633e44607eSKővágó, Zoltán .descs = (USBDescOther[]) {
3643e44607eSKővágó, Zoltán {
3653e44607eSKővágó, Zoltán /* Headphone Class-specific AS General Interface Descriptor */
3663e44607eSKővágó, Zoltán .data = (uint8_t[]) {
3673e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
3683e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
3693e44607eSKővágó, Zoltán DST_AS_GENERAL, /* u8 bDescriptorSubtype */
3703e44607eSKővágó, Zoltán 0x01, /* u8 bTerminalLink */
3713e44607eSKővágó, Zoltán 0x00, /* u8 bDelay */
3723e44607eSKővágó, Zoltán 0x01, 0x00, /* u16 wFormatTag */
3733e44607eSKővágó, Zoltán }
3743e44607eSKővágó, Zoltán },{
3753e44607eSKővágó, Zoltán /* Headphone Type I Format Type Descriptor */
3763e44607eSKővágó, Zoltán .data = (uint8_t[]) {
3773e44607eSKővágó, Zoltán 0x0b, /* u8 bLength */
3783e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
3793e44607eSKővágó, Zoltán DST_AS_FORMAT_TYPE, /* u8 bDescriptorSubtype */
3803e44607eSKővágó, Zoltán 0x01, /* u8 bFormatType */
3813e44607eSKővágó, Zoltán 0x02, /* u8 bNrChannels */
3823e44607eSKővágó, Zoltán 0x02, /* u8 bSubFrameSize */
3833e44607eSKővágó, Zoltán 0x10, /* u8 bBitResolution */
3843e44607eSKővágó, Zoltán 0x01, /* u8 bSamFreqType */
3853e44607eSKővágó, Zoltán U24(USBAUDIO_SAMPLE_RATE), /* u24 tSamFreq */
3863e44607eSKővágó, Zoltán }
3873e44607eSKővágó, Zoltán }
3883e44607eSKővágó, Zoltán },
3893e44607eSKővágó, Zoltán .eps = (USBDescEndpoint[]) {
3903e44607eSKővágó, Zoltán {
3913e44607eSKővágó, Zoltán .bEndpointAddress = USB_DIR_OUT | 0x01,
3923e44607eSKővágó, Zoltán .bmAttributes = 0x0d,
3933e44607eSKővágó, Zoltán .wMaxPacketSize = USBAUDIO_PACKET_SIZE(2),
3943e44607eSKővágó, Zoltán .bInterval = 1,
3953e44607eSKővágó, Zoltán .is_audio = 1,
3963e44607eSKővágó, Zoltán /* Stereo Headphone Class-specific
3973e44607eSKővágó, Zoltán AS Audio Data Endpoint Descriptor */
3983e44607eSKővágó, Zoltán .extra = (uint8_t[]) {
3993e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
4003e44607eSKővágó, Zoltán USB_DT_CS_ENDPOINT, /* u8 bDescriptorType */
4013e44607eSKővágó, Zoltán DST_EP_GENERAL, /* u8 bDescriptorSubtype */
4023e44607eSKővágó, Zoltán 0x00, /* u8 bmAttributes */
4033e44607eSKővágó, Zoltán 0x00, /* u8 bLockDelayUnits */
4043e44607eSKővágó, Zoltán U16(0x0000), /* u16 wLockDelay */
4053e44607eSKővágó, Zoltán },
4063e44607eSKővágó, Zoltán },
4073e44607eSKővágó, Zoltán }
4083e44607eSKővágó, Zoltán },{
4093e44607eSKővágó, Zoltán .bInterfaceNumber = 1,
4103e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_51,
4113e44607eSKővágó, Zoltán .bNumEndpoints = 1,
4123e44607eSKővágó, Zoltán .bInterfaceClass = USB_CLASS_AUDIO,
4133e44607eSKővágó, Zoltán .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
4143e44607eSKővágó, Zoltán .iInterface = STRING_REAL_STREAM,
4153e44607eSKővágó, Zoltán .ndesc = 2,
4163e44607eSKővágó, Zoltán .descs = (USBDescOther[]) {
4173e44607eSKővágó, Zoltán {
4183e44607eSKővágó, Zoltán /* Headphone Class-specific AS General Interface Descriptor */
4193e44607eSKővágó, Zoltán .data = (uint8_t[]) {
4203e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
4213e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
4223e44607eSKővágó, Zoltán DST_AS_GENERAL, /* u8 bDescriptorSubtype */
4233e44607eSKővágó, Zoltán 0x01, /* u8 bTerminalLink */
4243e44607eSKővágó, Zoltán 0x00, /* u8 bDelay */
4253e44607eSKővágó, Zoltán 0x01, 0x00, /* u16 wFormatTag */
4263e44607eSKővágó, Zoltán }
4273e44607eSKővágó, Zoltán },{
4283e44607eSKővágó, Zoltán /* Headphone Type I Format Type Descriptor */
4293e44607eSKővágó, Zoltán .data = (uint8_t[]) {
4303e44607eSKővágó, Zoltán 0x0b, /* u8 bLength */
4313e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
4323e44607eSKővágó, Zoltán DST_AS_FORMAT_TYPE, /* u8 bDescriptorSubtype */
4333e44607eSKővágó, Zoltán 0x01, /* u8 bFormatType */
4343e44607eSKővágó, Zoltán 0x06, /* u8 bNrChannels */
4353e44607eSKővágó, Zoltán 0x02, /* u8 bSubFrameSize */
4363e44607eSKővágó, Zoltán 0x10, /* u8 bBitResolution */
4373e44607eSKővágó, Zoltán 0x01, /* u8 bSamFreqType */
4383e44607eSKővágó, Zoltán U24(USBAUDIO_SAMPLE_RATE), /* u24 tSamFreq */
4393e44607eSKővágó, Zoltán }
4403e44607eSKővágó, Zoltán }
4413e44607eSKővágó, Zoltán },
4423e44607eSKővágó, Zoltán .eps = (USBDescEndpoint[]) {
4433e44607eSKővágó, Zoltán {
4443e44607eSKővágó, Zoltán .bEndpointAddress = USB_DIR_OUT | 0x01,
4453e44607eSKővágó, Zoltán .bmAttributes = 0x0d,
4463e44607eSKővágó, Zoltán .wMaxPacketSize = USBAUDIO_PACKET_SIZE(6),
4473e44607eSKővágó, Zoltán .bInterval = 1,
4483e44607eSKővágó, Zoltán .is_audio = 1,
4493e44607eSKővágó, Zoltán /* Stereo Headphone Class-specific
4503e44607eSKővágó, Zoltán AS Audio Data Endpoint Descriptor */
4513e44607eSKővágó, Zoltán .extra = (uint8_t[]) {
4523e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
4533e44607eSKővágó, Zoltán USB_DT_CS_ENDPOINT, /* u8 bDescriptorType */
4543e44607eSKővágó, Zoltán DST_EP_GENERAL, /* u8 bDescriptorSubtype */
4553e44607eSKővágó, Zoltán 0x00, /* u8 bmAttributes */
4563e44607eSKővágó, Zoltán 0x00, /* u8 bLockDelayUnits */
4573e44607eSKővágó, Zoltán U16(0x0000), /* u16 wLockDelay */
4583e44607eSKővágó, Zoltán },
4593e44607eSKővágó, Zoltán },
4603e44607eSKővágó, Zoltán }
4613e44607eSKővágó, Zoltán },{
4623e44607eSKővágó, Zoltán .bInterfaceNumber = 1,
4633e44607eSKővágó, Zoltán .bAlternateSetting = ALTSET_71,
4643e44607eSKővágó, Zoltán .bNumEndpoints = 1,
4653e44607eSKővágó, Zoltán .bInterfaceClass = USB_CLASS_AUDIO,
4663e44607eSKővágó, Zoltán .bInterfaceSubClass = USB_SUBCLASS_AUDIO_STREAMING,
4673e44607eSKővágó, Zoltán .iInterface = STRING_REAL_STREAM,
4683e44607eSKővágó, Zoltán .ndesc = 2,
4693e44607eSKővágó, Zoltán .descs = (USBDescOther[]) {
4703e44607eSKővágó, Zoltán {
4713e44607eSKővágó, Zoltán /* Headphone Class-specific AS General Interface Descriptor */
4723e44607eSKővágó, Zoltán .data = (uint8_t[]) {
4733e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
4743e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
4753e44607eSKővágó, Zoltán DST_AS_GENERAL, /* u8 bDescriptorSubtype */
4763e44607eSKővágó, Zoltán 0x01, /* u8 bTerminalLink */
4773e44607eSKővágó, Zoltán 0x00, /* u8 bDelay */
4783e44607eSKővágó, Zoltán 0x01, 0x00, /* u16 wFormatTag */
4793e44607eSKővágó, Zoltán }
4803e44607eSKővágó, Zoltán },{
4813e44607eSKővágó, Zoltán /* Headphone Type I Format Type Descriptor */
4823e44607eSKővágó, Zoltán .data = (uint8_t[]) {
4833e44607eSKővágó, Zoltán 0x0b, /* u8 bLength */
4843e44607eSKővágó, Zoltán USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
4853e44607eSKővágó, Zoltán DST_AS_FORMAT_TYPE, /* u8 bDescriptorSubtype */
4863e44607eSKővágó, Zoltán 0x01, /* u8 bFormatType */
4873e44607eSKővágó, Zoltán 0x08, /* u8 bNrChannels */
4883e44607eSKővágó, Zoltán 0x02, /* u8 bSubFrameSize */
4893e44607eSKővágó, Zoltán 0x10, /* u8 bBitResolution */
4903e44607eSKővágó, Zoltán 0x01, /* u8 bSamFreqType */
4913e44607eSKővágó, Zoltán U24(USBAUDIO_SAMPLE_RATE), /* u24 tSamFreq */
4923e44607eSKővágó, Zoltán }
4933e44607eSKővágó, Zoltán }
4943e44607eSKővágó, Zoltán },
4953e44607eSKővágó, Zoltán .eps = (USBDescEndpoint[]) {
4963e44607eSKővágó, Zoltán {
4973e44607eSKővágó, Zoltán .bEndpointAddress = USB_DIR_OUT | 0x01,
4983e44607eSKővágó, Zoltán .bmAttributes = 0x0d,
4993e44607eSKővágó, Zoltán .wMaxPacketSize = USBAUDIO_PACKET_SIZE(8),
5003e44607eSKővágó, Zoltán .bInterval = 1,
5013e44607eSKővágó, Zoltán .is_audio = 1,
5023e44607eSKővágó, Zoltán /* Stereo Headphone Class-specific
5033e44607eSKővágó, Zoltán AS Audio Data Endpoint Descriptor */
5043e44607eSKővágó, Zoltán .extra = (uint8_t[]) {
5053e44607eSKővágó, Zoltán 0x07, /* u8 bLength */
5063e44607eSKővágó, Zoltán USB_DT_CS_ENDPOINT, /* u8 bDescriptorType */
5073e44607eSKővágó, Zoltán DST_EP_GENERAL, /* u8 bDescriptorSubtype */
5083e44607eSKővágó, Zoltán 0x00, /* u8 bmAttributes */
5093e44607eSKővágó, Zoltán 0x00, /* u8 bLockDelayUnits */
5103e44607eSKővágó, Zoltán U16(0x0000), /* u16 wLockDelay */
5113e44607eSKővágó, Zoltán },
5123e44607eSKővágó, Zoltán },
5133e44607eSKővágó, Zoltán }
5143e44607eSKővágó, Zoltán }
5153e44607eSKővágó, Zoltán };
5163e44607eSKővágó, Zoltán
5173e44607eSKővágó, Zoltán static const USBDescDevice desc_device_multi = {
5183e44607eSKővágó, Zoltán .bcdUSB = 0x0100,
5193e44607eSKővágó, Zoltán .bMaxPacketSize0 = 64,
5203e44607eSKővágó, Zoltán .bNumConfigurations = 1,
5213e44607eSKővágó, Zoltán .confs = (USBDescConfig[]) {
5223e44607eSKővágó, Zoltán {
5233e44607eSKővágó, Zoltán .bNumInterfaces = 2,
5243e44607eSKővágó, Zoltán .bConfigurationValue = DEV_CONFIG_VALUE,
5253e44607eSKővágó, Zoltán .iConfiguration = STRING_CONFIG,
5263e44607eSKővágó, Zoltán .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
5273e44607eSKővágó, Zoltán .bMaxPower = 0x32,
5283e44607eSKővágó, Zoltán .nif = ARRAY_SIZE(desc_iface_multi),
5293e44607eSKővágó, Zoltán .ifs = desc_iface_multi,
5303e44607eSKővágó, Zoltán }
5313e44607eSKővágó, Zoltán },
5323e44607eSKővágó, Zoltán };
5333e44607eSKővágó, Zoltán
5343e44607eSKővágó, Zoltán static const USBDesc desc_audio_multi = {
5353e44607eSKővágó, Zoltán .id = {
5363e44607eSKővágó, Zoltán .idVendor = USBAUDIO_VENDOR_NUM,
5373e44607eSKővágó, Zoltán .idProduct = USBAUDIO_PRODUCT_NUM,
5383e44607eSKővágó, Zoltán .bcdDevice = 0,
5393e44607eSKővágó, Zoltán .iManufacturer = STRING_MANUFACTURER,
5403e44607eSKővágó, Zoltán .iProduct = STRING_PRODUCT,
5413e44607eSKővágó, Zoltán .iSerialNumber = STRING_SERIALNUMBER,
5423e44607eSKővágó, Zoltán },
5433e44607eSKővágó, Zoltán .full = &desc_device_multi,
5443e44607eSKővágó, Zoltán .str = usb_audio_stringtable,
545f1ae32a1SGerd Hoffmann };
546f1ae32a1SGerd Hoffmann
547f1ae32a1SGerd Hoffmann /*
548f1ae32a1SGerd Hoffmann * Class-specific control requests
549f1ae32a1SGerd Hoffmann */
550f1ae32a1SGerd Hoffmann #define CR_SET_CUR 0x01
551f1ae32a1SGerd Hoffmann #define CR_GET_CUR 0x81
552f1ae32a1SGerd Hoffmann #define CR_SET_MIN 0x02
553f1ae32a1SGerd Hoffmann #define CR_GET_MIN 0x82
554f1ae32a1SGerd Hoffmann #define CR_SET_MAX 0x03
555f1ae32a1SGerd Hoffmann #define CR_GET_MAX 0x83
556f1ae32a1SGerd Hoffmann #define CR_SET_RES 0x04
557f1ae32a1SGerd Hoffmann #define CR_GET_RES 0x84
558f1ae32a1SGerd Hoffmann #define CR_SET_MEM 0x05
559f1ae32a1SGerd Hoffmann #define CR_GET_MEM 0x85
560f1ae32a1SGerd Hoffmann #define CR_GET_STAT 0xff
561f1ae32a1SGerd Hoffmann
562f1ae32a1SGerd Hoffmann /*
563f1ae32a1SGerd Hoffmann * Feature Unit Control Selectors
564f1ae32a1SGerd Hoffmann */
565f1ae32a1SGerd Hoffmann #define MUTE_CONTROL 0x01
566f1ae32a1SGerd Hoffmann #define VOLUME_CONTROL 0x02
567f1ae32a1SGerd Hoffmann #define BASS_CONTROL 0x03
568f1ae32a1SGerd Hoffmann #define MID_CONTROL 0x04
569f1ae32a1SGerd Hoffmann #define TREBLE_CONTROL 0x05
570f1ae32a1SGerd Hoffmann #define GRAPHIC_EQUALIZER_CONTROL 0x06
571f1ae32a1SGerd Hoffmann #define AUTOMATIC_GAIN_CONTROL 0x07
572f1ae32a1SGerd Hoffmann #define DELAY_CONTROL 0x08
573f1ae32a1SGerd Hoffmann #define BASS_BOOST_CONTROL 0x09
574f1ae32a1SGerd Hoffmann #define LOUDNESS_CONTROL 0x0a
575f1ae32a1SGerd Hoffmann
576f1ae32a1SGerd Hoffmann /*
577f1ae32a1SGerd Hoffmann * buffering
578f1ae32a1SGerd Hoffmann */
579f1ae32a1SGerd Hoffmann
580f1ae32a1SGerd Hoffmann struct streambuf {
581f1ae32a1SGerd Hoffmann uint8_t *data;
582670777a9SKővágó, Zoltán size_t size;
583670777a9SKővágó, Zoltán uint64_t prod;
584670777a9SKővágó, Zoltán uint64_t cons;
585f1ae32a1SGerd Hoffmann };
586f1ae32a1SGerd Hoffmann
streambuf_init(struct streambuf * buf,uint32_t size,uint32_t channels)5873e44607eSKővágó, Zoltán static void streambuf_init(struct streambuf *buf, uint32_t size,
5883e44607eSKővágó, Zoltán uint32_t channels)
589f1ae32a1SGerd Hoffmann {
590f1ae32a1SGerd Hoffmann g_free(buf->data);
5913e44607eSKővágó, Zoltán buf->size = size - (size % USBAUDIO_PACKET_SIZE(channels));
592f1ae32a1SGerd Hoffmann buf->data = g_malloc(buf->size);
593f1ae32a1SGerd Hoffmann buf->prod = 0;
594f1ae32a1SGerd Hoffmann buf->cons = 0;
595f1ae32a1SGerd Hoffmann }
596f1ae32a1SGerd Hoffmann
streambuf_fini(struct streambuf * buf)597f1ae32a1SGerd Hoffmann static void streambuf_fini(struct streambuf *buf)
598f1ae32a1SGerd Hoffmann {
599f1ae32a1SGerd Hoffmann g_free(buf->data);
600f1ae32a1SGerd Hoffmann buf->data = NULL;
601f1ae32a1SGerd Hoffmann }
602f1ae32a1SGerd Hoffmann
streambuf_put(struct streambuf * buf,USBPacket * p,uint32_t channels)6033e44607eSKővágó, Zoltán static int streambuf_put(struct streambuf *buf, USBPacket *p, uint32_t channels)
604f1ae32a1SGerd Hoffmann {
605670777a9SKővágó, Zoltán int64_t free = buf->size - (buf->prod - buf->cons);
606f1ae32a1SGerd Hoffmann
6073e44607eSKővágó, Zoltán if (free < USBAUDIO_PACKET_SIZE(channels)) {
608f1ae32a1SGerd Hoffmann return 0;
609f1ae32a1SGerd Hoffmann }
6103e44607eSKővágó, Zoltán if (p->iov.size != USBAUDIO_PACKET_SIZE(channels)) {
611a7fde1c1SGerd Hoffmann return 0;
612a7fde1c1SGerd Hoffmann }
6132c6a740fSKővágó, Zoltán
614670777a9SKővágó, Zoltán /* can happen if prod overflows */
615670777a9SKővágó, Zoltán assert(buf->prod % USBAUDIO_PACKET_SIZE(channels) == 0);
616f1ae32a1SGerd Hoffmann usb_packet_copy(p, buf->data + (buf->prod % buf->size),
6173e44607eSKővágó, Zoltán USBAUDIO_PACKET_SIZE(channels));
6183e44607eSKővágó, Zoltán buf->prod += USBAUDIO_PACKET_SIZE(channels);
6193e44607eSKővágó, Zoltán return USBAUDIO_PACKET_SIZE(channels);
620f1ae32a1SGerd Hoffmann }
621f1ae32a1SGerd Hoffmann
streambuf_get(struct streambuf * buf,size_t * len)6222c6a740fSKővágó, Zoltán static uint8_t *streambuf_get(struct streambuf *buf, size_t *len)
623f1ae32a1SGerd Hoffmann {
624670777a9SKővágó, Zoltán int64_t used = buf->prod - buf->cons;
625f1ae32a1SGerd Hoffmann uint8_t *data;
626f1ae32a1SGerd Hoffmann
627670777a9SKővágó, Zoltán if (used <= 0) {
6282c6a740fSKővágó, Zoltán *len = 0;
629f1ae32a1SGerd Hoffmann return NULL;
630f1ae32a1SGerd Hoffmann }
631f1ae32a1SGerd Hoffmann data = buf->data + (buf->cons % buf->size);
6322c6a740fSKővágó, Zoltán *len = MIN(buf->prod - buf->cons,
6332c6a740fSKővágó, Zoltán buf->size - (buf->cons % buf->size));
634f1ae32a1SGerd Hoffmann return data;
635f1ae32a1SGerd Hoffmann }
636f1ae32a1SGerd Hoffmann
637db1015e9SEduardo Habkost struct USBAudioState {
638f1ae32a1SGerd Hoffmann /* qemu interfaces */
639f1ae32a1SGerd Hoffmann USBDevice dev;
640f1ae32a1SGerd Hoffmann QEMUSoundCard card;
641f1ae32a1SGerd Hoffmann
642f1ae32a1SGerd Hoffmann /* state */
643f1ae32a1SGerd Hoffmann struct {
644f1ae32a1SGerd Hoffmann enum usb_audio_altset altset;
645f1ae32a1SGerd Hoffmann struct audsettings as;
646f1ae32a1SGerd Hoffmann SWVoiceOut *voice;
6473e44607eSKővágó, Zoltán Volume vol;
648f1ae32a1SGerd Hoffmann struct streambuf buf;
6493e44607eSKővágó, Zoltán uint32_t channels;
650f1ae32a1SGerd Hoffmann } out;
651f1ae32a1SGerd Hoffmann
652f1ae32a1SGerd Hoffmann /* properties */
653f1ae32a1SGerd Hoffmann uint32_t debug;
6543e44607eSKővágó, Zoltán uint32_t buffer_user, buffer;
6553e44607eSKővágó, Zoltán bool multi;
656db1015e9SEduardo Habkost };
657f1ae32a1SGerd Hoffmann
6580389a0b1SGonglei #define TYPE_USB_AUDIO "usb-audio"
OBJECT_DECLARE_SIMPLE_TYPE(USBAudioState,USB_AUDIO)6598063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(USBAudioState, USB_AUDIO)
6600389a0b1SGonglei
661f1ae32a1SGerd Hoffmann static void output_callback(void *opaque, int avail)
662f1ae32a1SGerd Hoffmann {
663f1ae32a1SGerd Hoffmann USBAudioState *s = opaque;
664f1ae32a1SGerd Hoffmann uint8_t *data;
665f1ae32a1SGerd Hoffmann
6662c6a740fSKővágó, Zoltán while (avail) {
6672c6a740fSKővágó, Zoltán size_t written, len;
6682c6a740fSKővágó, Zoltán
6692c6a740fSKővágó, Zoltán data = streambuf_get(&s->out.buf, &len);
670d0657b2aSGonglei if (!data) {
671f1ae32a1SGerd Hoffmann return;
672f1ae32a1SGerd Hoffmann }
6732c6a740fSKővágó, Zoltán
6742c6a740fSKővágó, Zoltán written = AUD_write(s->out.voice, data, len);
6752c6a740fSKővágó, Zoltán avail -= written;
6762c6a740fSKővágó, Zoltán s->out.buf.cons += written;
6772c6a740fSKővágó, Zoltán
6782c6a740fSKővágó, Zoltán if (written < len) {
6792c6a740fSKővágó, Zoltán return;
6802c6a740fSKővágó, Zoltán }
681f1ae32a1SGerd Hoffmann }
682f1ae32a1SGerd Hoffmann }
683f1ae32a1SGerd Hoffmann
usb_audio_set_output_altset(USBAudioState * s,int altset)684f1ae32a1SGerd Hoffmann static int usb_audio_set_output_altset(USBAudioState *s, int altset)
685f1ae32a1SGerd Hoffmann {
686f1ae32a1SGerd Hoffmann switch (altset) {
687f1ae32a1SGerd Hoffmann case ALTSET_OFF:
688f1ae32a1SGerd Hoffmann AUD_set_active_out(s->out.voice, false);
689f1ae32a1SGerd Hoffmann break;
6903e44607eSKővágó, Zoltán case ALTSET_STEREO:
6913e44607eSKővágó, Zoltán case ALTSET_51:
6923e44607eSKővágó, Zoltán case ALTSET_71:
6933e44607eSKővágó, Zoltán if (s->out.channels != altset_channels[altset]) {
6943e44607eSKővágó, Zoltán usb_audio_reinit(USB_DEVICE(s), altset_channels[altset]);
6953e44607eSKővágó, Zoltán }
6963e44607eSKővágó, Zoltán streambuf_init(&s->out.buf, s->buffer, s->out.channels);
697f1ae32a1SGerd Hoffmann AUD_set_active_out(s->out.voice, true);
698f1ae32a1SGerd Hoffmann break;
699f1ae32a1SGerd Hoffmann default:
700f1ae32a1SGerd Hoffmann return -1;
701f1ae32a1SGerd Hoffmann }
702f1ae32a1SGerd Hoffmann
703f1ae32a1SGerd Hoffmann if (s->debug) {
704f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: set interface %d\n", altset);
705f1ae32a1SGerd Hoffmann }
706f1ae32a1SGerd Hoffmann s->out.altset = altset;
707f1ae32a1SGerd Hoffmann return 0;
708f1ae32a1SGerd Hoffmann }
709f1ae32a1SGerd Hoffmann
710f1ae32a1SGerd Hoffmann /*
711f1ae32a1SGerd Hoffmann * Note: we arbitrarily map the volume control range onto -inf..+8 dB
712f1ae32a1SGerd Hoffmann */
713f1ae32a1SGerd Hoffmann #define ATTRIB_ID(cs, attrib, idif) \
714f1ae32a1SGerd Hoffmann (((cs) << 24) | ((attrib) << 16) | (idif))
715f1ae32a1SGerd Hoffmann
usb_audio_get_control(USBAudioState * s,uint8_t attrib,uint16_t cscn,uint16_t idif,int length,uint8_t * data)716f1ae32a1SGerd Hoffmann static int usb_audio_get_control(USBAudioState *s, uint8_t attrib,
717f1ae32a1SGerd Hoffmann uint16_t cscn, uint16_t idif,
718f1ae32a1SGerd Hoffmann int length, uint8_t *data)
719f1ae32a1SGerd Hoffmann {
720f1ae32a1SGerd Hoffmann uint8_t cs = cscn >> 8;
721f1ae32a1SGerd Hoffmann uint8_t cn = cscn - 1; /* -1 for the non-present master control */
722f1ae32a1SGerd Hoffmann uint32_t aid = ATTRIB_ID(cs, attrib, idif);
723f1ae32a1SGerd Hoffmann int ret = USB_RET_STALL;
724f1ae32a1SGerd Hoffmann
725f1ae32a1SGerd Hoffmann switch (aid) {
726f1ae32a1SGerd Hoffmann case ATTRIB_ID(MUTE_CONTROL, CR_GET_CUR, 0x0200):
7273e44607eSKővágó, Zoltán data[0] = s->out.vol.mute;
728f1ae32a1SGerd Hoffmann ret = 1;
729f1ae32a1SGerd Hoffmann break;
730f1ae32a1SGerd Hoffmann case ATTRIB_ID(VOLUME_CONTROL, CR_GET_CUR, 0x0200):
7313e44607eSKővágó, Zoltán if (cn < USBAUDIO_MAX_CHANNELS(s)) {
7323e44607eSKővágó, Zoltán uint16_t vol = (s->out.vol.vol[cn] * 0x8800 + 127) / 255 + 0x8000;
733f1ae32a1SGerd Hoffmann data[0] = vol;
734f1ae32a1SGerd Hoffmann data[1] = vol >> 8;
735f1ae32a1SGerd Hoffmann ret = 2;
736f1ae32a1SGerd Hoffmann }
737f1ae32a1SGerd Hoffmann break;
738f1ae32a1SGerd Hoffmann case ATTRIB_ID(VOLUME_CONTROL, CR_GET_MIN, 0x0200):
7393e44607eSKővágó, Zoltán if (cn < USBAUDIO_MAX_CHANNELS(s)) {
740f1ae32a1SGerd Hoffmann data[0] = 0x01;
741f1ae32a1SGerd Hoffmann data[1] = 0x80;
742f1ae32a1SGerd Hoffmann ret = 2;
743f1ae32a1SGerd Hoffmann }
744f1ae32a1SGerd Hoffmann break;
745f1ae32a1SGerd Hoffmann case ATTRIB_ID(VOLUME_CONTROL, CR_GET_MAX, 0x0200):
7463e44607eSKővágó, Zoltán if (cn < USBAUDIO_MAX_CHANNELS(s)) {
747f1ae32a1SGerd Hoffmann data[0] = 0x00;
748f1ae32a1SGerd Hoffmann data[1] = 0x08;
749f1ae32a1SGerd Hoffmann ret = 2;
750f1ae32a1SGerd Hoffmann }
751f1ae32a1SGerd Hoffmann break;
752f1ae32a1SGerd Hoffmann case ATTRIB_ID(VOLUME_CONTROL, CR_GET_RES, 0x0200):
7533e44607eSKővágó, Zoltán if (cn < USBAUDIO_MAX_CHANNELS(s)) {
754f1ae32a1SGerd Hoffmann data[0] = 0x88;
755f1ae32a1SGerd Hoffmann data[1] = 0x00;
756f1ae32a1SGerd Hoffmann ret = 2;
757f1ae32a1SGerd Hoffmann }
758f1ae32a1SGerd Hoffmann break;
759f1ae32a1SGerd Hoffmann }
760f1ae32a1SGerd Hoffmann
761f1ae32a1SGerd Hoffmann return ret;
762f1ae32a1SGerd Hoffmann }
usb_audio_set_control(USBAudioState * s,uint8_t attrib,uint16_t cscn,uint16_t idif,int length,uint8_t * data)763f1ae32a1SGerd Hoffmann static int usb_audio_set_control(USBAudioState *s, uint8_t attrib,
764f1ae32a1SGerd Hoffmann uint16_t cscn, uint16_t idif,
765f1ae32a1SGerd Hoffmann int length, uint8_t *data)
766f1ae32a1SGerd Hoffmann {
767f1ae32a1SGerd Hoffmann uint8_t cs = cscn >> 8;
768f1ae32a1SGerd Hoffmann uint8_t cn = cscn - 1; /* -1 for the non-present master control */
769f1ae32a1SGerd Hoffmann uint32_t aid = ATTRIB_ID(cs, attrib, idif);
770f1ae32a1SGerd Hoffmann int ret = USB_RET_STALL;
771f1ae32a1SGerd Hoffmann bool set_vol = false;
772f1ae32a1SGerd Hoffmann
773f1ae32a1SGerd Hoffmann switch (aid) {
774f1ae32a1SGerd Hoffmann case ATTRIB_ID(MUTE_CONTROL, CR_SET_CUR, 0x0200):
7753e44607eSKővágó, Zoltán s->out.vol.mute = data[0] & 1;
776f1ae32a1SGerd Hoffmann set_vol = true;
777f1ae32a1SGerd Hoffmann ret = 0;
778f1ae32a1SGerd Hoffmann break;
779f1ae32a1SGerd Hoffmann case ATTRIB_ID(VOLUME_CONTROL, CR_SET_CUR, 0x0200):
7803e44607eSKővágó, Zoltán if (cn < USBAUDIO_MAX_CHANNELS(s)) {
781f1ae32a1SGerd Hoffmann uint16_t vol = data[0] + (data[1] << 8);
782f1ae32a1SGerd Hoffmann
783f1ae32a1SGerd Hoffmann if (s->debug) {
7843e44607eSKővágó, Zoltán fprintf(stderr, "usb-audio: cn %d vol %04x\n", cn,
7853e44607eSKővágó, Zoltán (uint16_t)vol);
786f1ae32a1SGerd Hoffmann }
787f1ae32a1SGerd Hoffmann
788f1ae32a1SGerd Hoffmann vol -= 0x8000;
789f1ae32a1SGerd Hoffmann vol = (vol * 255 + 0x4400) / 0x8800;
790f1ae32a1SGerd Hoffmann if (vol > 255) {
791f1ae32a1SGerd Hoffmann vol = 255;
792f1ae32a1SGerd Hoffmann }
793f1ae32a1SGerd Hoffmann
7943e44607eSKővágó, Zoltán s->out.vol.vol[cn] = vol;
795f1ae32a1SGerd Hoffmann set_vol = true;
796f1ae32a1SGerd Hoffmann ret = 0;
797f1ae32a1SGerd Hoffmann }
798f1ae32a1SGerd Hoffmann break;
799f1ae32a1SGerd Hoffmann }
800f1ae32a1SGerd Hoffmann
801f1ae32a1SGerd Hoffmann if (set_vol) {
802f1ae32a1SGerd Hoffmann if (s->debug) {
8033e44607eSKővágó, Zoltán int i;
8043e44607eSKővágó, Zoltán fprintf(stderr, "usb-audio: mute %d", s->out.vol.mute);
8053e44607eSKővágó, Zoltán for (i = 0; i < USBAUDIO_MAX_CHANNELS(s); ++i) {
8063e44607eSKővágó, Zoltán fprintf(stderr, ", vol[%d] %3d", i, s->out.vol.vol[i]);
807f1ae32a1SGerd Hoffmann }
8083e44607eSKővágó, Zoltán fprintf(stderr, "\n");
8093e44607eSKővágó, Zoltán }
8103e44607eSKővágó, Zoltán audio_set_volume_out(s->out.voice, &s->out.vol);
811f1ae32a1SGerd Hoffmann }
812f1ae32a1SGerd Hoffmann
813f1ae32a1SGerd Hoffmann return ret;
814f1ae32a1SGerd Hoffmann }
815f1ae32a1SGerd Hoffmann
usb_audio_handle_control(USBDevice * dev,USBPacket * p,int request,int value,int index,int length,uint8_t * data)8169a77a0f5SHans de Goede static void usb_audio_handle_control(USBDevice *dev, USBPacket *p,
817f1ae32a1SGerd Hoffmann int request, int value, int index,
818f1ae32a1SGerd Hoffmann int length, uint8_t *data)
819f1ae32a1SGerd Hoffmann {
8200389a0b1SGonglei USBAudioState *s = USB_AUDIO(dev);
821f1ae32a1SGerd Hoffmann int ret = 0;
822f1ae32a1SGerd Hoffmann
823f1ae32a1SGerd Hoffmann if (s->debug) {
824f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: control transaction: "
825f1ae32a1SGerd Hoffmann "request 0x%04x value 0x%04x index 0x%04x length 0x%04x\n",
826f1ae32a1SGerd Hoffmann request, value, index, length);
827f1ae32a1SGerd Hoffmann }
828f1ae32a1SGerd Hoffmann
829f1ae32a1SGerd Hoffmann ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
830f1ae32a1SGerd Hoffmann if (ret >= 0) {
8319a77a0f5SHans de Goede return;
832f1ae32a1SGerd Hoffmann }
833f1ae32a1SGerd Hoffmann
834f1ae32a1SGerd Hoffmann switch (request) {
835f1ae32a1SGerd Hoffmann case ClassInterfaceRequest | CR_GET_CUR:
836f1ae32a1SGerd Hoffmann case ClassInterfaceRequest | CR_GET_MIN:
837f1ae32a1SGerd Hoffmann case ClassInterfaceRequest | CR_GET_MAX:
838f1ae32a1SGerd Hoffmann case ClassInterfaceRequest | CR_GET_RES:
839f1ae32a1SGerd Hoffmann ret = usb_audio_get_control(s, request & 0xff, value, index,
840f1ae32a1SGerd Hoffmann length, data);
841f1ae32a1SGerd Hoffmann if (ret < 0) {
842f1ae32a1SGerd Hoffmann if (s->debug) {
843f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: fail: get control\n");
844f1ae32a1SGerd Hoffmann }
845f1ae32a1SGerd Hoffmann goto fail;
846f1ae32a1SGerd Hoffmann }
8479a77a0f5SHans de Goede p->actual_length = ret;
848f1ae32a1SGerd Hoffmann break;
849f1ae32a1SGerd Hoffmann
850f1ae32a1SGerd Hoffmann case ClassInterfaceOutRequest | CR_SET_CUR:
851f1ae32a1SGerd Hoffmann case ClassInterfaceOutRequest | CR_SET_MIN:
852f1ae32a1SGerd Hoffmann case ClassInterfaceOutRequest | CR_SET_MAX:
853f1ae32a1SGerd Hoffmann case ClassInterfaceOutRequest | CR_SET_RES:
854f1ae32a1SGerd Hoffmann ret = usb_audio_set_control(s, request & 0xff, value, index,
855f1ae32a1SGerd Hoffmann length, data);
856f1ae32a1SGerd Hoffmann if (ret < 0) {
857f1ae32a1SGerd Hoffmann if (s->debug) {
858f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: fail: set control\n");
859f1ae32a1SGerd Hoffmann }
860f1ae32a1SGerd Hoffmann goto fail;
861f1ae32a1SGerd Hoffmann }
862f1ae32a1SGerd Hoffmann break;
863f1ae32a1SGerd Hoffmann
864f1ae32a1SGerd Hoffmann default:
865f1ae32a1SGerd Hoffmann fail:
866f1ae32a1SGerd Hoffmann if (s->debug) {
867f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: failed control transaction: "
868f1ae32a1SGerd Hoffmann "request 0x%04x value 0x%04x index 0x%04x length 0x%04x\n",
869f1ae32a1SGerd Hoffmann request, value, index, length);
870f1ae32a1SGerd Hoffmann }
8719a77a0f5SHans de Goede p->status = USB_RET_STALL;
872f1ae32a1SGerd Hoffmann break;
873f1ae32a1SGerd Hoffmann }
874f1ae32a1SGerd Hoffmann }
875f1ae32a1SGerd Hoffmann
usb_audio_set_interface(USBDevice * dev,int iface,int old,int value)876f1ae32a1SGerd Hoffmann static void usb_audio_set_interface(USBDevice *dev, int iface,
877f1ae32a1SGerd Hoffmann int old, int value)
878f1ae32a1SGerd Hoffmann {
8790389a0b1SGonglei USBAudioState *s = USB_AUDIO(dev);
880f1ae32a1SGerd Hoffmann
881f1ae32a1SGerd Hoffmann if (iface == 1) {
882f1ae32a1SGerd Hoffmann usb_audio_set_output_altset(s, value);
883f1ae32a1SGerd Hoffmann }
884f1ae32a1SGerd Hoffmann }
885f1ae32a1SGerd Hoffmann
usb_audio_handle_reset(USBDevice * dev)886f1ae32a1SGerd Hoffmann static void usb_audio_handle_reset(USBDevice *dev)
887f1ae32a1SGerd Hoffmann {
8880389a0b1SGonglei USBAudioState *s = USB_AUDIO(dev);
889f1ae32a1SGerd Hoffmann
890f1ae32a1SGerd Hoffmann if (s->debug) {
891f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: reset\n");
892f1ae32a1SGerd Hoffmann }
893f1ae32a1SGerd Hoffmann usb_audio_set_output_altset(s, ALTSET_OFF);
894f1ae32a1SGerd Hoffmann }
895f1ae32a1SGerd Hoffmann
usb_audio_handle_dataout(USBAudioState * s,USBPacket * p)8969a77a0f5SHans de Goede static void usb_audio_handle_dataout(USBAudioState *s, USBPacket *p)
897f1ae32a1SGerd Hoffmann {
898f1ae32a1SGerd Hoffmann if (s->out.altset == ALTSET_OFF) {
8999a77a0f5SHans de Goede p->status = USB_RET_STALL;
9009a77a0f5SHans de Goede return;
901f1ae32a1SGerd Hoffmann }
902f1ae32a1SGerd Hoffmann
9033e44607eSKővágó, Zoltán streambuf_put(&s->out.buf, p, s->out.channels);
9049a77a0f5SHans de Goede if (p->actual_length < p->iov.size && s->debug > 1) {
905f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: output overrun (%zd bytes)\n",
9069a77a0f5SHans de Goede p->iov.size - p->actual_length);
9079a77a0f5SHans de Goede }
908f1ae32a1SGerd Hoffmann }
909f1ae32a1SGerd Hoffmann
usb_audio_handle_data(USBDevice * dev,USBPacket * p)9109a77a0f5SHans de Goede static void usb_audio_handle_data(USBDevice *dev, USBPacket *p)
911f1ae32a1SGerd Hoffmann {
912f1ae32a1SGerd Hoffmann USBAudioState *s = (USBAudioState *) dev;
913f1ae32a1SGerd Hoffmann
9149a77a0f5SHans de Goede if (p->pid == USB_TOKEN_OUT && p->ep->nr == 1) {
9159a77a0f5SHans de Goede usb_audio_handle_dataout(s, p);
9169a77a0f5SHans de Goede return;
917f1ae32a1SGerd Hoffmann }
918f1ae32a1SGerd Hoffmann
9199a77a0f5SHans de Goede p->status = USB_RET_STALL;
9209a77a0f5SHans de Goede if (s->debug) {
921f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: failed data transaction: "
922f1ae32a1SGerd Hoffmann "pid 0x%x ep 0x%x len 0x%zx\n",
923f1ae32a1SGerd Hoffmann p->pid, p->ep->nr, p->iov.size);
924f1ae32a1SGerd Hoffmann }
925f1ae32a1SGerd Hoffmann }
926f1ae32a1SGerd Hoffmann
usb_audio_unrealize(USBDevice * dev)927b69c3c21SMarkus Armbruster static void usb_audio_unrealize(USBDevice *dev)
928f1ae32a1SGerd Hoffmann {
9290389a0b1SGonglei USBAudioState *s = USB_AUDIO(dev);
930f1ae32a1SGerd Hoffmann
931f1ae32a1SGerd Hoffmann if (s->debug) {
932f1ae32a1SGerd Hoffmann fprintf(stderr, "usb-audio: destroy\n");
933f1ae32a1SGerd Hoffmann }
934f1ae32a1SGerd Hoffmann
935f1ae32a1SGerd Hoffmann usb_audio_set_output_altset(s, ALTSET_OFF);
936f1ae32a1SGerd Hoffmann AUD_close_out(&s->card, s->out.voice);
937f1ae32a1SGerd Hoffmann AUD_remove_card(&s->card);
938f1ae32a1SGerd Hoffmann
939f1ae32a1SGerd Hoffmann streambuf_fini(&s->out.buf);
940f1ae32a1SGerd Hoffmann }
941f1ae32a1SGerd Hoffmann
usb_audio_realize(USBDevice * dev,Error ** errp)9425450eeaaSGonglei static void usb_audio_realize(USBDevice *dev, Error **errp)
943f1ae32a1SGerd Hoffmann {
9440389a0b1SGonglei USBAudioState *s = USB_AUDIO(dev);
9453e44607eSKővágó, Zoltán int i;
9463e44607eSKővágó, Zoltán
947*cb94ff5fSMartin Kletzander if (!AUD_register_card(TYPE_USB_AUDIO, &s->card, errp)) {
948*cb94ff5fSMartin Kletzander return;
949*cb94ff5fSMartin Kletzander }
950*cb94ff5fSMartin Kletzander
9513e44607eSKővágó, Zoltán dev->usb_desc = s->multi ? &desc_audio_multi : &desc_audio;
952f1ae32a1SGerd Hoffmann
9539d55d1adSGerd Hoffmann usb_desc_create_serial(dev);
954f1ae32a1SGerd Hoffmann usb_desc_init(dev);
955f1ae32a1SGerd Hoffmann s->dev.opaque = s;
956f1ae32a1SGerd Hoffmann
957f1ae32a1SGerd Hoffmann s->out.altset = ALTSET_OFF;
9583e44607eSKővágó, Zoltán s->out.vol.mute = false;
9593e44607eSKővágó, Zoltán for (i = 0; i < USBAUDIO_MAX_CHANNELS(s); ++i) {
9603e44607eSKővágó, Zoltán s->out.vol.vol[i] = 240; /* 0 dB */
9613e44607eSKővágó, Zoltán }
9623e44607eSKővágó, Zoltán
9633e44607eSKővágó, Zoltán usb_audio_reinit(dev, 2);
9643e44607eSKővágó, Zoltán }
9653e44607eSKővágó, Zoltán
usb_audio_reinit(USBDevice * dev,unsigned channels)9663e44607eSKővágó, Zoltán static void usb_audio_reinit(USBDevice *dev, unsigned channels)
9673e44607eSKővágó, Zoltán {
9683e44607eSKővágó, Zoltán USBAudioState *s = USB_AUDIO(dev);
9693e44607eSKővágó, Zoltán
9703e44607eSKővágó, Zoltán s->out.channels = channels;
9713e44607eSKővágó, Zoltán if (!s->buffer_user) {
9723e44607eSKővágó, Zoltán s->buffer = 32 * USBAUDIO_PACKET_SIZE(s->out.channels);
9733e44607eSKővágó, Zoltán } else {
9743e44607eSKővágó, Zoltán s->buffer = s->buffer_user;
9753e44607eSKővágó, Zoltán }
9763e44607eSKővágó, Zoltán
9773e44607eSKővágó, Zoltán s->out.vol.channels = s->out.channels;
978f1ae32a1SGerd Hoffmann s->out.as.freq = USBAUDIO_SAMPLE_RATE;
9793e44607eSKővágó, Zoltán s->out.as.nchannels = s->out.channels;
98085bc5852SKővágó, Zoltán s->out.as.fmt = AUDIO_FORMAT_S16;
981f1ae32a1SGerd Hoffmann s->out.as.endianness = 0;
9823e44607eSKővágó, Zoltán streambuf_init(&s->out.buf, s->buffer, s->out.channels);
983f1ae32a1SGerd Hoffmann
9840389a0b1SGonglei s->out.voice = AUD_open_out(&s->card, s->out.voice, TYPE_USB_AUDIO,
985f1ae32a1SGerd Hoffmann s, output_callback, &s->out.as);
9863e44607eSKővágó, Zoltán audio_set_volume_out(s->out.voice, &s->out.vol);
987f1ae32a1SGerd Hoffmann AUD_set_active_out(s->out.voice, 0);
988f1ae32a1SGerd Hoffmann }
989f1ae32a1SGerd Hoffmann
990f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_usb_audio = {
9910389a0b1SGonglei .name = TYPE_USB_AUDIO,
992f1ae32a1SGerd Hoffmann .unmigratable = 1,
993f1ae32a1SGerd Hoffmann };
994f1ae32a1SGerd Hoffmann
995f1ae32a1SGerd Hoffmann static Property usb_audio_properties[] = {
99688e47b9aSKővágó, Zoltán DEFINE_AUDIO_PROPERTIES(USBAudioState, card),
997f1ae32a1SGerd Hoffmann DEFINE_PROP_UINT32("debug", USBAudioState, debug, 0),
9983e44607eSKővágó, Zoltán DEFINE_PROP_UINT32("buffer", USBAudioState, buffer_user, 0),
9993e44607eSKővágó, Zoltán DEFINE_PROP_BOOL("multi", USBAudioState, multi, false),
1000f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(),
1001f1ae32a1SGerd Hoffmann };
1002f1ae32a1SGerd Hoffmann
usb_audio_class_init(ObjectClass * klass,void * data)1003f1ae32a1SGerd Hoffmann static void usb_audio_class_init(ObjectClass *klass, void *data)
1004f1ae32a1SGerd Hoffmann {
1005f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass);
1006f1ae32a1SGerd Hoffmann USBDeviceClass *k = USB_DEVICE_CLASS(klass);
1007f1ae32a1SGerd Hoffmann
1008f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_usb_audio;
10094f67d30bSMarc-André Lureau device_class_set_props(dc, usb_audio_properties);
1010125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1011f1ae32a1SGerd Hoffmann k->product_desc = "QEMU USB Audio Interface";
10125450eeaaSGonglei k->realize = usb_audio_realize;
1013f1ae32a1SGerd Hoffmann k->handle_reset = usb_audio_handle_reset;
1014f1ae32a1SGerd Hoffmann k->handle_control = usb_audio_handle_control;
1015f1ae32a1SGerd Hoffmann k->handle_data = usb_audio_handle_data;
1016c4fe9700SMarc-André Lureau k->unrealize = usb_audio_unrealize;
1017f1ae32a1SGerd Hoffmann k->set_interface = usb_audio_set_interface;
1018f1ae32a1SGerd Hoffmann }
1019f1ae32a1SGerd Hoffmann
10208c43a6f0SAndreas Färber static const TypeInfo usb_audio_info = {
10210389a0b1SGonglei .name = TYPE_USB_AUDIO,
1022f1ae32a1SGerd Hoffmann .parent = TYPE_USB_DEVICE,
1023f1ae32a1SGerd Hoffmann .instance_size = sizeof(USBAudioState),
1024f1ae32a1SGerd Hoffmann .class_init = usb_audio_class_init,
1025f1ae32a1SGerd Hoffmann };
1026f1ae32a1SGerd Hoffmann
usb_audio_register_types(void)1027f1ae32a1SGerd Hoffmann static void usb_audio_register_types(void)
1028f1ae32a1SGerd Hoffmann {
1029f1ae32a1SGerd Hoffmann type_register_static(&usb_audio_info);
1030f1ae32a1SGerd Hoffmann }
1031f1ae32a1SGerd Hoffmann
1032f1ae32a1SGerd Hoffmann type_init(usb_audio_register_types)
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