2 files changed, 118 insertions, 6 deletions

diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index bf1c5be1f5b6..7897f3096560 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -547,6 +547,10 @@ struct twl4030_codec_data {
         unsigned int    audio_mclk;
         struct twl4030_codec_audio_data         *audio;
         struct twl4030_codec_vibra_data         *vibra;
+
+        /* twl6030 */
+        int audpwron_gpio;      /* audio power-on gpio */
+        int naudint_irq;        /* audio interrupt */
 };
 
 struct twl4030_platform_data {
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
index eaf9dffe0a01..6bb293684eb8 100644
--- a/include/linux/usb/audio.h
+++ b/include/linux/usb/audio.h
@@ -25,6 +25,9 @@
 #define USB_SUBCLASS_AUDIOSTREAMING     0x02
 #define USB_SUBCLASS_MIDISTREAMING      0x03
 
+#define UAC_VERSION_1                   0x00
+#define UAC_VERSION_2                   0x20
+
 /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
 #define UAC_HEADER                      0x01
 #define UAC_INPUT_TERMINAL              0x02
@@ -32,8 +35,17 @@
 #define UAC_MIXER_UNIT                  0x04
 #define UAC_SELECTOR_UNIT               0x05
 #define UAC_FEATURE_UNIT                0x06
-#define UAC_PROCESSING_UNIT             0x07
-#define UAC_EXTENSION_UNIT              0x08
+#define UAC_PROCESSING_UNIT_V1          0x07
+#define UAC_EXTENSION_UNIT_V1           0x08
+
+/* UAC v2.0 types */
+#define UAC_EFFECT_UNIT                 0x07
+#define UAC_PROCESSING_UNIT_V2          0x08
+#define UAC_EXTENSION_UNIT_V2           0x09
+#define UAC_CLOCK_SOURCE                0x0a
+#define UAC_CLOCK_SELECTOR              0x0b
+#define UAC_CLOCK_MULTIPLIER            0x0c
+#define UAC_SAMPLE_RATE_CONVERTER       0x0d
 
 /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
 #define UAC_AS_GENERAL                  0x01
@@ -66,6 +78,10 @@
 
 #define UAC_GET_STAT                    0xff
 
+/* Audio class v2.0 handles all the parameter calls differently */
+#define UAC2_CS_CUR                     0x01
+#define UAC2_CS_RANGE                   0x02
+
 /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
 #define UAC_MS_HEADER                   0x01
 #define UAC_MIDI_IN_JACK                0x02
@@ -81,7 +97,7 @@
 
 /* Terminal Control Selectors */
 /* 4.3.2  Class-Specific AC Interface Descriptor */
-struct uac_ac_header_descriptor {
+struct uac_ac_header_descriptor_v1 {
         __u8  bLength;                  /* 8 + n */
         __u8  bDescriptorType;          /* USB_DT_CS_INTERFACE */
         __u8  bDescriptorSubtype;       /* UAC_MS_HEADER */
@@ -95,7 +111,7 @@ struct uac_ac_header_descriptor {
 
 /* As above, but more useful for defining your own descriptors: */
 #define DECLARE_UAC_AC_HEADER_DESCRIPTOR(n)                     \
-struct uac_ac_header_descriptor_##n {                           \
+struct uac_ac_header_descriptor_v1_##n {                        \
         __u8  bLength;                                          \
         __u8  bDescriptorType;                                  \
         __u8  bDescriptorSubtype;                               \
@@ -130,8 +146,12 @@ struct uac_input_terminal_descriptor {
 #define UAC_INPUT_TERMINAL_MICROPHONE_ARRAY             0x205
 #define UAC_INPUT_TERMINAL_PROC_MICROPHONE_ARRAY        0x206
 
+/* Terminals - control selectors */
+
+#define UAC_TERMINAL_CS_COPY_PROTECT_CONTROL            0x01
+
 /* 4.3.2.2 Output Terminal Descriptor */
-struct uac_output_terminal_descriptor {
+struct uac_output_terminal_descriptor_v1 {
         __u8  bLength;                  /* in bytes: 9 */
         __u8  bDescriptorType;          /* CS_INTERFACE descriptor type */
         __u8  bDescriptorSubtype;       /* OUTPUT_TERMINAL descriptor subtype */
@@ -171,7 +191,7 @@ struct uac_feature_unit_descriptor_##ch {			\
 } __attribute__ ((packed))
 
 /* 4.5.2 Class-Specific AS Interface Descriptor */
-struct uac_as_header_descriptor {
+struct uac_as_header_descriptor_v1 {
         __u8  bLength;                  /* in bytes: 7 */
         __u8  bDescriptorType;          /* USB_DT_CS_INTERFACE */
         __u8  bDescriptorSubtype;       /* AS_GENERAL */
@@ -180,6 +200,19 @@ struct uac_as_header_descriptor {
         __le16 wFormatTag;              /* The Audio Data Format */
 } __attribute__ ((packed));
 
+struct uac_as_header_descriptor_v2 {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bTerminalLink;
+        __u8 bmControls;
+        __u8 bFormatType;
+        __u32 bmFormats;
+        __u8 bNrChannels;
+        __u32 bmChannelConfig;
+        __u8 iChannelNames;
+} __attribute__((packed));
+
 #define UAC_DT_AS_HEADER_SIZE           7
 
 /* Formats - A.1.1 Audio Data Format Type I Codes */
@@ -232,11 +265,62 @@ struct uac_format_type_i_discrete_descriptor_##n {		\
 
 #define UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(n) (8 + (n * 3))
 
+struct uac_format_type_i_ext_descriptor {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bSubslotSize;
+        __u8 bFormatType;
+        __u8 bBitResolution;
+        __u8 bHeaderLength;
+        __u8 bControlSize;
+        __u8 bSideBandProtocol;
+} __attribute__((packed));
+
+
+/* Formats - Audio Data Format Type I Codes */
+
+#define UAC_FORMAT_TYPE_II_MPEG 0x1001
+#define UAC_FORMAT_TYPE_II_AC3  0x1002
+
+struct uac_format_type_ii_discrete_descriptor {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bFormatType;
+        __le16 wMaxBitRate;
+        __le16 wSamplesPerFrame;
+        __u8 bSamFreqType;
+        __u8 tSamFreq[][3];
+} __attribute__((packed));
+
+struct uac_format_type_ii_ext_descriptor {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bFormatType;
+        __u16 wMaxBitRate;
+        __u16 wSamplesPerFrame;
+        __u8 bHeaderLength;
+        __u8 bSideBandProtocol;
+} __attribute__((packed));
+
+/* type III */
+#define UAC_FORMAT_TYPE_III_IEC1937_AC3 0x2001
+#define UAC_FORMAT_TYPE_III_IEC1937_MPEG1_LAYER1        0x2002
+#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_NOEXT 0x2003
+#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_EXT   0x2004
+#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER1_LS     0x2005
+#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER23_LS    0x2006
+
 /* Formats - A.2 Format Type Codes */
 #define UAC_FORMAT_TYPE_UNDEFINED       0x0
 #define UAC_FORMAT_TYPE_I               0x1
 #define UAC_FORMAT_TYPE_II              0x2
 #define UAC_FORMAT_TYPE_III             0x3
+#define UAC_EXT_FORMAT_TYPE_I           0x81
+#define UAC_EXT_FORMAT_TYPE_II          0x82
+#define UAC_EXT_FORMAT_TYPE_III         0x83
 
 struct uac_iso_endpoint_descriptor {
         __u8  bLength;                  /* in bytes: 7 */
@@ -252,7 +336,31 @@ struct uac_iso_endpoint_descriptor {
 #define UAC_EP_CS_ATTR_PITCH_CONTROL    0x02
 #define UAC_EP_CS_ATTR_FILL_MAX         0x80
 
+/* Audio class v2.0: CLOCK_SOURCE descriptor */
+
+struct uac_clock_source_descriptor {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bClockID;
+        __u8 bmAttributes;
+        __u8 bmControls;
+        __u8 bAssocTerminal;
+        __u8 iClockSource;
+} __attribute__((packed));
+
 /* A.10.2 Feature Unit Control Selectors */
+
+struct uac_feature_unit_descriptor {
+        __u8 bLength;
+        __u8 bDescriptorType;
+        __u8 bDescriptorSubtype;
+        __u8 bUnitID;
+        __u8 bSourceID;
+        __u8 bControlSize;
+        __u8 controls[0]; /* variable length */
+} __attribute__((packed));
+
 #define UAC_FU_CONTROL_UNDEFINED        0x00
 #define UAC_MUTE_CONTROL                0x01
 #define UAC_VOLUME_CONTROL              0x02