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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-28 08:29:59 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-28 08:29:59 -0400
commit185a257f2f73bcd89050ad02da5bedbc28fc43fa (patch)
tree5e32586114534ed3f2165614cba3d578f5d87307 /include/linux/usb
parent3f1a9aaeffd8d1cbc5ab9776c45cbd66af1c9699 (diff)
parenta77c64c1a641950626181b4857abb701d8f38ccc (diff)
Merge branch 'master' into gfs2
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/audio.h53
-rw-r--r--include/linux/usb/midi.h112
-rw-r--r--include/linux/usb/otg.h131
3 files changed, 296 insertions, 0 deletions
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
new file mode 100644
index 000000000000..6bd235994dc2
--- /dev/null
+++ b/include/linux/usb/audio.h
@@ -0,0 +1,53 @@
1/*
2 * <linux/usb/audio.h> -- USB Audio definitions.
3 *
4 * Copyright (C) 2006 Thumtronics Pty Ltd.
5 * Developed for Thumtronics by Grey Innovation
6 * Ben Williamson <ben.williamson@greyinnovation.com>
7 *
8 * This software is distributed under the terms of the GNU General Public
9 * License ("GPL") version 2, as published by the Free Software Foundation.
10 *
11 * This file holds USB constants and structures defined
12 * by the USB Device Class Definition for Audio Devices.
13 * Comments below reference relevant sections of that document:
14 *
15 * http://www.usb.org/developers/devclass_docs/audio10.pdf
16 */
17
18#ifndef __LINUX_USB_AUDIO_H
19#define __LINUX_USB_AUDIO_H
20
21#include <linux/types.h>
22
23/* A.2 Audio Interface Subclass Codes */
24#define USB_SUBCLASS_AUDIOCONTROL 0x01
25#define USB_SUBCLASS_AUDIOSTREAMING 0x02
26#define USB_SUBCLASS_MIDISTREAMING 0x03
27
28/* 4.3.2 Class-Specific AC Interface Descriptor */
29struct usb_ac_header_descriptor {
30 __u8 bLength; // 8+n
31 __u8 bDescriptorType; // USB_DT_CS_INTERFACE
32 __u8 bDescriptorSubtype; // USB_MS_HEADER
33 __le16 bcdADC; // 0x0100
34 __le16 wTotalLength; // includes Unit and Terminal desc.
35 __u8 bInCollection; // n
36 __u8 baInterfaceNr[]; // [n]
37} __attribute__ ((packed));
38
39#define USB_DT_AC_HEADER_SIZE(n) (8+(n))
40
41/* As above, but more useful for defining your own descriptors: */
42#define DECLARE_USB_AC_HEADER_DESCRIPTOR(n) \
43struct usb_ac_header_descriptor_##n { \
44 __u8 bLength; \
45 __u8 bDescriptorType; \
46 __u8 bDescriptorSubtype; \
47 __le16 bcdADC; \
48 __le16 wTotalLength; \
49 __u8 bInCollection; \
50 __u8 baInterfaceNr[n]; \
51} __attribute__ ((packed))
52
53#endif
diff --git a/include/linux/usb/midi.h b/include/linux/usb/midi.h
new file mode 100644
index 000000000000..11a97d5ffd34
--- /dev/null
+++ b/include/linux/usb/midi.h
@@ -0,0 +1,112 @@
1/*
2 * <linux/usb/midi.h> -- USB MIDI definitions.
3 *
4 * Copyright (C) 2006 Thumtronics Pty Ltd.
5 * Developed for Thumtronics by Grey Innovation
6 * Ben Williamson <ben.williamson@greyinnovation.com>
7 *
8 * This software is distributed under the terms of the GNU General Public
9 * License ("GPL") version 2, as published by the Free Software Foundation.
10 *
11 * This file holds USB constants and structures defined
12 * by the USB Device Class Definition for MIDI Devices.
13 * Comments below reference relevant sections of that document:
14 *
15 * http://www.usb.org/developers/devclass_docs/midi10.pdf
16 */
17
18#ifndef __LINUX_USB_MIDI_H
19#define __LINUX_USB_MIDI_H
20
21#include <linux/types.h>
22
23/* A.1 MS Class-Specific Interface Descriptor Subtypes */
24#define USB_MS_HEADER 0x01
25#define USB_MS_MIDI_IN_JACK 0x02
26#define USB_MS_MIDI_OUT_JACK 0x03
27#define USB_MS_ELEMENT 0x04
28
29/* A.2 MS Class-Specific Endpoint Descriptor Subtypes */
30#define USB_MS_GENERAL 0x01
31
32/* A.3 MS MIDI IN and OUT Jack Types */
33#define USB_MS_EMBEDDED 0x01
34#define USB_MS_EXTERNAL 0x02
35
36/* 6.1.2.1 Class-Specific MS Interface Header Descriptor */
37struct usb_ms_header_descriptor {
38 __u8 bLength;
39 __u8 bDescriptorType;
40 __u8 bDescriptorSubtype;
41 __le16 bcdMSC;
42 __le16 wTotalLength;
43} __attribute__ ((packed));
44
45#define USB_DT_MS_HEADER_SIZE 7
46
47/* 6.1.2.2 MIDI IN Jack Descriptor */
48struct usb_midi_in_jack_descriptor {
49 __u8 bLength;
50 __u8 bDescriptorType; // USB_DT_CS_INTERFACE
51 __u8 bDescriptorSubtype; // USB_MS_MIDI_IN_JACK
52 __u8 bJackType; // USB_MS_EMBEDDED/EXTERNAL
53 __u8 bJackID;
54 __u8 iJack;
55} __attribute__ ((packed));
56
57#define USB_DT_MIDI_IN_SIZE 6
58
59struct usb_midi_source_pin {
60 __u8 baSourceID;
61 __u8 baSourcePin;
62} __attribute__ ((packed));
63
64/* 6.1.2.3 MIDI OUT Jack Descriptor */
65struct usb_midi_out_jack_descriptor {
66 __u8 bLength;
67 __u8 bDescriptorType; // USB_DT_CS_INTERFACE
68 __u8 bDescriptorSubtype; // USB_MS_MIDI_OUT_JACK
69 __u8 bJackType; // USB_MS_EMBEDDED/EXTERNAL
70 __u8 bJackID;
71 __u8 bNrInputPins; // p
72 struct usb_midi_source_pin pins[]; // [p]
73 /*__u8 iJack; -- ommitted due to variable-sized pins[] */
74} __attribute__ ((packed));
75
76#define USB_DT_MIDI_OUT_SIZE(p) (7 + 2 * (p))
77
78/* As above, but more useful for defining your own descriptors: */
79#define DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(p) \
80struct usb_midi_out_jack_descriptor_##p { \
81 __u8 bLength; \
82 __u8 bDescriptorType; \
83 __u8 bDescriptorSubtype; \
84 __u8 bJackType; \
85 __u8 bJackID; \
86 __u8 bNrInputPins; \
87 struct usb_midi_source_pin pins[p]; \
88 __u8 iJack; \
89} __attribute__ ((packed))
90
91/* 6.2.2 Class-Specific MS Bulk Data Endpoint Descriptor */
92struct usb_ms_endpoint_descriptor {
93 __u8 bLength; // 4+n
94 __u8 bDescriptorType; // USB_DT_CS_ENDPOINT
95 __u8 bDescriptorSubtype; // USB_MS_GENERAL
96 __u8 bNumEmbMIDIJack; // n
97 __u8 baAssocJackID[]; // [n]
98} __attribute__ ((packed));
99
100#define USB_DT_MS_ENDPOINT_SIZE(n) (4 + (n))
101
102/* As above, but more useful for defining your own descriptors: */
103#define DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(n) \
104struct usb_ms_endpoint_descriptor_##n { \
105 __u8 bLength; \
106 __u8 bDescriptorType; \
107 __u8 bDescriptorSubtype; \
108 __u8 bNumEmbMIDIJack; \
109 __u8 baAssocJackID[n]; \
110} __attribute__ ((packed))
111
112#endif
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
new file mode 100644
index 000000000000..9897f7a818c5
--- /dev/null
+++ b/include/linux/usb/otg.h
@@ -0,0 +1,131 @@
1// include/linux/usb/otg.h
2
3/*
4 * These APIs may be used between USB controllers. USB device drivers
5 * (for either host or peripheral roles) don't use these calls; they
6 * continue to use just usb_device and usb_gadget.
7 */
8
9
10/* OTG defines lots of enumeration states before device reset */
11enum usb_otg_state {
12 OTG_STATE_UNDEFINED = 0,
13
14 /* single-role peripheral, and dual-role default-b */
15 OTG_STATE_B_IDLE,
16 OTG_STATE_B_SRP_INIT,
17 OTG_STATE_B_PERIPHERAL,
18
19 /* extra dual-role default-b states */
20 OTG_STATE_B_WAIT_ACON,
21 OTG_STATE_B_HOST,
22
23 /* dual-role default-a */
24 OTG_STATE_A_IDLE,
25 OTG_STATE_A_WAIT_VRISE,
26 OTG_STATE_A_WAIT_BCON,
27 OTG_STATE_A_HOST,
28 OTG_STATE_A_SUSPEND,
29 OTG_STATE_A_PERIPHERAL,
30 OTG_STATE_A_WAIT_VFALL,
31 OTG_STATE_A_VBUS_ERR,
32};
33
34/*
35 * the otg driver needs to interact with both device side and host side
36 * usb controllers. it decides which controller is active at a given
37 * moment, using the transceiver, ID signal, HNP and sometimes static
38 * configuration information (including "board isn't wired for otg").
39 */
40struct otg_transceiver {
41 struct device *dev;
42 const char *label;
43
44 u8 default_a;
45 enum usb_otg_state state;
46
47 struct usb_bus *host;
48 struct usb_gadget *gadget;
49
50 /* to pass extra port status to the root hub */
51 u16 port_status;
52 u16 port_change;
53
54 /* bind/unbind the host controller */
55 int (*set_host)(struct otg_transceiver *otg,
56 struct usb_bus *host);
57
58 /* bind/unbind the peripheral controller */
59 int (*set_peripheral)(struct otg_transceiver *otg,
60 struct usb_gadget *gadget);
61
62 /* effective for B devices, ignored for A-peripheral */
63 int (*set_power)(struct otg_transceiver *otg,
64 unsigned mA);
65
66 /* for non-OTG B devices: set transceiver into suspend mode */
67 int (*set_suspend)(struct otg_transceiver *otg,
68 int suspend);
69
70 /* for B devices only: start session with A-Host */
71 int (*start_srp)(struct otg_transceiver *otg);
72
73 /* start or continue HNP role switch */
74 int (*start_hnp)(struct otg_transceiver *otg);
75
76};
77
78
79/* for board-specific init logic */
80extern int otg_set_transceiver(struct otg_transceiver *);
81
82
83/* for usb host and peripheral controller drivers */
84extern struct otg_transceiver *otg_get_transceiver(void);
85
86static inline int
87otg_start_hnp(struct otg_transceiver *otg)
88{
89 return otg->start_hnp(otg);
90}
91
92
93/* for HCDs */
94static inline int
95otg_set_host(struct otg_transceiver *otg, struct usb_bus *host)
96{
97 return otg->set_host(otg, host);
98}
99
100
101/* for usb peripheral controller drivers */
102static inline int
103otg_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *periph)
104{
105 return otg->set_peripheral(otg, periph);
106}
107
108static inline int
109otg_set_power(struct otg_transceiver *otg, unsigned mA)
110{
111 return otg->set_power(otg, mA);
112}
113
114static inline int
115otg_set_suspend(struct otg_transceiver *otg, int suspend)
116{
117 if (otg->set_suspend != NULL)
118 return otg->set_suspend(otg, suspend);
119 else
120 return 0;
121}
122
123static inline int
124otg_start_srp(struct otg_transceiver *otg)
125{
126 return otg->start_srp(otg);
127}
128
129
130/* for OTG controller drivers (and maybe other stuff) */
131extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-10 18:46:51 -0500