Merge kroah.com:/home/greg/linux/BK/bleeding_edge-2.5

into kroah.com:/home/greg/linux/BK/gregkh-2.5

3 files changed, 220 insertions, 159 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 3dd9a4081298..2e0948e96d68 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -187,6 +187,8 @@ struct device_class {
 
 	int	(*add_device)(struct device *);
 	void	(*remove_device)(struct device *);
+	int	(*hotplug)(struct device *dev, char **envp, 
+			   int num_envp, char *buffer, int buffer_size);
 };
 
 extern int devclass_register(struct device_class *);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index fe144bda56f0..0397f55aabdc 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1,76 +1,7 @@
 #ifndef __LINUX_USB_H
 #define __LINUX_USB_H
 
-/* USB constants */
-
-/*
- * Device and/or Interface Class codes
- */
-#define USB_CLASS_PER_INTERFACE		0	/* for DeviceClass */
-#define USB_CLASS_AUDIO			1
-#define USB_CLASS_COMM			2
-#define USB_CLASS_HID			3
-#define USB_CLASS_PHYSICAL		5
-#define USB_CLASS_STILL_IMAGE		6
-#define USB_CLASS_PRINTER		7
-#define USB_CLASS_MASS_STORAGE		8
-#define USB_CLASS_HUB			9
-#define USB_CLASS_CDC_DATA		0x0a
-#define USB_CLASS_CSCID			0x0b	/* chip+ smart card */
-#define USB_CLASS_CONTENT_SEC		0x0d	/* content security */
-#define USB_CLASS_APP_SPEC		0xfe
-#define USB_CLASS_VENDOR_SPEC		0xff
-
-/*
- * USB types
- */
-#define USB_TYPE_MASK			(0x03 << 5)
-#define USB_TYPE_STANDARD		(0x00 << 5)
-#define USB_TYPE_CLASS			(0x01 << 5)
-#define USB_TYPE_VENDOR			(0x02 << 5)
-#define USB_TYPE_RESERVED		(0x03 << 5)
-
-/*
- * USB recipients
- */
-#define USB_RECIP_MASK			0x1f
-#define USB_RECIP_DEVICE		0x00
-#define USB_RECIP_INTERFACE		0x01
-#define USB_RECIP_ENDPOINT		0x02
-#define USB_RECIP_OTHER			0x03
-
-/*
- * USB directions
- */
-#define USB_DIR_OUT			0		/* to device */
-#define USB_DIR_IN			0x80		/* to host */
-
-/*
- * Endpoints
- */
-#define USB_ENDPOINT_NUMBER_MASK	0x0f	/* in bEndpointAddress */
-#define USB_ENDPOINT_DIR_MASK		0x80
-
-#define USB_ENDPOINT_XFERTYPE_MASK	0x03	/* in bmAttributes */
-#define USB_ENDPOINT_XFER_CONTROL	0
-#define USB_ENDPOINT_XFER_ISOC		1
-#define USB_ENDPOINT_XFER_BULK		2
-#define USB_ENDPOINT_XFER_INT		3
-
-/*
- * Standard requests
- */
-#define USB_REQ_GET_STATUS		0x00
-#define USB_REQ_CLEAR_FEATURE		0x01
-#define USB_REQ_SET_FEATURE		0x03
-#define USB_REQ_SET_ADDRESS		0x05
-#define USB_REQ_GET_DESCRIPTOR		0x06
-#define USB_REQ_SET_DESCRIPTOR		0x07
-#define USB_REQ_GET_CONFIGURATION	0x08
-#define USB_REQ_SET_CONFIGURATION	0x09
-#define USB_REQ_GET_INTERFACE		0x0A
-#define USB_REQ_SET_INTERFACE		0x0B
-#define USB_REQ_SYNCH_FRAME		0x0C
+#include <linux/usb_ch9.h>
 
 #define USB_MAJOR			180
 
@@ -97,27 +28,6 @@ static __inline__ void wait_ms(unsigned int ms)
 		mdelay(ms);
 }
 
-/**
- * struct usb_ctrlrequest - structure used to make USB device control requests easier to create and decode
- * @bRequestType: matches the USB bmRequestType field
- * @bRequest: matches the USB bRequest field
- * @wValue: matches the USB wValue field
- * @wIndex: matches the USB wIndex field
- * @wLength: matches the USB wLength field
- *
- * This structure is used to send control requests to a USB device.  It matches
- * the different fields of the USB 2.0 Spec section 9.3, table 9-2.  See the
- * USB spec for a fuller description of the different fields, and what they are
- * used for.
- */
-struct usb_ctrlrequest {
-	__u8 bRequestType;
-	__u8 bRequest;
-	__u16 wValue;
-	__u16 wIndex;
-	__u16 wLength;
-} __attribute__ ((packed));
-
 /*
  * USB device number allocation bitmap. There's one bitmap
  * per USB tree.
@@ -136,18 +46,6 @@ struct usb_device;
  */
 
 /*
- * Descriptor types ... USB 2.0 spec table 9.5
- */
-#define USB_DT_DEVICE			0x01
-#define USB_DT_CONFIG			0x02
-#define USB_DT_STRING			0x03
-#define USB_DT_INTERFACE		0x04
-#define USB_DT_ENDPOINT			0x05
-#define USB_DT_DEVICE_QUALIFIER		0x06
-#define USB_DT_OTHER_SPEED_CONFIG	0x07
-#define USB_DT_INTERFACE_POWER		0x08
-
-/*
  * Descriptor sizes per descriptor type
  */
 #define USB_DT_DEVICE_SIZE		18
@@ -163,30 +61,6 @@ struct usb_device;
 #define USB_MAXINTERFACES		32
 #define USB_MAXENDPOINTS		32	/* Hard limit */
 
-/* All standard descriptors have these 2 fields in common */
-struct usb_descriptor_header {
-	__u8  bLength;
-	__u8  bDescriptorType;
-} __attribute__ ((packed));
-
-/* USB_DT_DEVICE: Device descriptor */
-struct usb_device_descriptor {
-	__u8  bLength;
-	__u8  bDescriptorType;
-	__u16 bcdUSB;
-	__u8  bDeviceClass;
-	__u8  bDeviceSubClass;
-	__u8  bDeviceProtocol;
-	__u8  bMaxPacketSize0;
-	__u16 idVendor;
-	__u16 idProduct;
-	__u16 bcdDevice;
-	__u8  iManufacturer;
-	__u8  iProduct;
-	__u8  iSerialNumber;
-	__u8  bNumConfigurations;
-} __attribute__ ((packed));
-
 /* USB_DT_ENDPOINT: Endpoint descriptor */
 struct usb_endpoint_descriptor {
 	__u8  bLength		__attribute__ ((packed));
@@ -291,26 +165,6 @@ struct usb_config_descriptor {
 	int extralen;
 };
 
-/* USB_DT_STRING: String descriptor */
-struct usb_string_descriptor {
-	__u8  bLength;
-	__u8  bDescriptorType;
-	__u16 wData[1];		/* UTF-16LE encoded */
-} __attribute__ ((packed));
-
-/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */
-struct usb_qualifier_descriptor {
-	__u8  bLength;
-	__u8  bDescriptorType;
-	__u16 bcdUSB;
-	__u8  bDeviceClass;
-	__u8  bDeviceSubClass;
-	__u8  bDeviceProtocol;
-	__u8  bMaxPacketSize0;
-	__u8  bNumConfigurations;
-	__u8  bRESERVED;
-} __attribute__ ((packed));
-
 // FIXME remove; exported only for drivers/usb/misc/auserwald.c
 // prefer usb_device->epnum[0..31]
 extern struct usb_endpoint_descriptor *
@@ -374,11 +228,7 @@ struct usb_device {
 	int		devnum;		/* Address on USB bus */
 	char		devpath [16];	/* Use in messages: /port/port/... */
 
-	enum {
-		USB_SPEED_UNKNOWN = 0,			/* enumerating */
-		USB_SPEED_LOW, USB_SPEED_FULL,		/* usb 1.1 */
-		USB_SPEED_HIGH				/* usb 2.0 */
-	} speed;
+	enum usb_device_speed	speed;	/* high/full/low (or error) */
 
 	struct usb_tt	*tt; 		/* low/full speed dev, highspeed hub */
 	int		ttport;		/* device port on that tt hub */
@@ -791,8 +641,7 @@ typedef void (*usb_complete_t)(struct urb *);
  * @context: For use in completion functions.  This normally points to
  *	request-specific driver context.
  * @complete: Completion handler. This URB is passed as the parameter to the
- *	completion function.  Except for interrupt or isochronous transfers
- *	that aren't being unlinked, the completion function may then do what
+ *	completion function.  The completion function may then do what
  *	it likes with the URB, including resubmitting or freeing it.
  * @iso_frame_desc: Used to provide arrays of ISO transfer buffers and to 
  *	collect the transfer status for each buffer.
@@ -885,11 +734,6 @@ typedef void (*usb_complete_t)(struct urb *);
  * When completion callback is invoked for non-isochronous URBs, the
  * actual_length field tells how many bytes were transferred.
  *
- * For interrupt URBs, the URB provided to the callback
- * function is still "owned" by the USB core subsystem unless the status
- * indicates that the URB has been unlinked.  Completion handlers should
- * not modify such URBs until they have been unlinked.
- *
  * ISO transfer status is reported in the status and actual_length fields
  * of the iso_frame_desc array, and the number of errors is reported in
  * error_count.  Completion callbacks for ISO transfers will normally
diff --git a/include/linux/usb_ch9.h b/include/linux/usb_ch9.h
new file mode 100644
index 000000000000..9e05b8c05004
--- /dev/null
+++ b/include/linux/usb_ch9.h
@@ -0,0 +1,215 @@
+/*
+ * This file holds USB constants and structures that are needed for USB
+ * device APIs.  These are used by the USB device model, which is defined
+ * in chapter 9 of the USB 2.0 specification.  Linux has several APIs in C
+ * that need these:
+ *
+ * - the master/host side Linux-USB kernel driver API;
+ * - the "usbfs" user space API; and
+ * - (eventually) a Linux slave/device side driver API.
+ *
+ * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems
+ * act either as a USB master/host or as a USB slave/device.  That means
+ * the master and slave side APIs will benefit from working well together.
+ */
+
+#ifndef __LINUX_USB_CH9_H
+#define __LINUX_USB_CH9_H
+
+#include <asm/types.h>		/* __u8 etc */
+
+/*-------------------------------------------------------------------------*/
+
+/* CONTROL REQUEST SUPPORT */
+
+/*
+ * USB directions
+ *
+ * This bit flag is used in endpoint descriptors' bEndpointAddress field.
+ * It's also one of three fields in control requests bRequestType.
+ */
+#define USB_DIR_OUT			0		/* to device */
+#define USB_DIR_IN			0x80		/* to host */
+
+/*
+ * USB types, the second of three bRequestType fields
+ */
+#define USB_TYPE_MASK			(0x03 << 5)
+#define USB_TYPE_STANDARD		(0x00 << 5)
+#define USB_TYPE_CLASS			(0x01 << 5)
+#define USB_TYPE_VENDOR			(0x02 << 5)
+#define USB_TYPE_RESERVED		(0x03 << 5)
+
+/*
+ * USB recipients, the third of three bRequestType fields
+ */
+#define USB_RECIP_MASK			0x1f
+#define USB_RECIP_DEVICE		0x00
+#define USB_RECIP_INTERFACE		0x01
+#define USB_RECIP_ENDPOINT		0x02
+#define USB_RECIP_OTHER			0x03
+
+/*
+ * Standard requests, for the bRequest field of a SETUP packet.
+ *
+ * These are qualified by the bRequestType field, so that for example
+ * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved
+ * by a GET_STATUS request.
+ */
+#define USB_REQ_GET_STATUS		0x00
+#define USB_REQ_CLEAR_FEATURE		0x01
+#define USB_REQ_SET_FEATURE		0x03
+#define USB_REQ_SET_ADDRESS		0x05
+#define USB_REQ_GET_DESCRIPTOR		0x06
+#define USB_REQ_SET_DESCRIPTOR		0x07
+#define USB_REQ_GET_CONFIGURATION	0x08
+#define USB_REQ_SET_CONFIGURATION	0x09
+#define USB_REQ_GET_INTERFACE		0x0A
+#define USB_REQ_SET_INTERFACE		0x0B
+#define USB_REQ_SYNCH_FRAME		0x0C
+
+
+/**
+ * struct usb_ctrlrequest - SETUP data for a USB device control request
+ * @bRequestType: matches the USB bmRequestType field
+ * @bRequest: matches the USB bRequest field
+ * @wValue: matches the USB wValue field (le16 byte order)
+ * @wIndex: matches the USB wIndex field (le16 byte order)
+ * @wLength: matches the USB wLength field (le16 byte order)
+ *
+ * This structure is used to send control requests to a USB device.  It matches
+ * the different fields of the USB 2.0 Spec section 9.3, table 9-2.  See the
+ * USB spec for a fuller description of the different fields, and what they are
+ * used for.
+ *
+ * Note that the driver for any interface can issue control requests.
+ * For most devices, interfaces don't coordinate with each other, so
+ * such requests may be made at any time.
+ */
+struct usb_ctrlrequest {
+	__u8 bRequestType;
+	__u8 bRequest;
+	__u16 wValue;
+	__u16 wIndex;
+	__u16 wLength;
+} __attribute__ ((packed));
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or
+ * (rarely) accepted by SET_DESCRIPTOR.
+ *
+ * Note that all multi-byte values here are encoded in little endian
+ * byte order.
+ */
+
+/*
+ * Descriptor types ... USB 2.0 spec table 9.5
+ */
+#define USB_DT_DEVICE			0x01
+#define USB_DT_CONFIG			0x02
+#define USB_DT_STRING			0x03
+#define USB_DT_INTERFACE		0x04
+#define USB_DT_ENDPOINT			0x05
+#define USB_DT_DEVICE_QUALIFIER		0x06
+#define USB_DT_OTHER_SPEED_CONFIG	0x07
+#define USB_DT_INTERFACE_POWER		0x08
+
+/* All standard descriptors have these 2 fields at the beginning */
+struct usb_descriptor_header {
+	__u8  bLength;
+	__u8  bDescriptorType;
+} __attribute__ ((packed));
+
+
+/* USB_DT_DEVICE: Device descriptor */
+struct usb_device_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+	__u16 bcdUSB;
+	__u8  bDeviceClass;
+	__u8  bDeviceSubClass;
+	__u8  bDeviceProtocol;
+	__u8  bMaxPacketSize0;
+	__u16 idVendor;
+	__u16 idProduct;
+	__u16 bcdDevice;
+	__u8  iManufacturer;
+	__u8  iProduct;
+	__u8  iSerialNumber;
+	__u8  bNumConfigurations;
+} __attribute__ ((packed));
+
+
+/*
+ * Device and/or Interface Class codes
+ * as found in device and interface descriptors
+ * and defined by www.usb.org documents
+ */
+#define USB_CLASS_PER_INTERFACE		0	/* for DeviceClass */
+#define USB_CLASS_AUDIO			1
+#define USB_CLASS_COMM			2
+#define USB_CLASS_HID			3
+#define USB_CLASS_PHYSICAL		5
+#define USB_CLASS_STILL_IMAGE		6
+#define USB_CLASS_PRINTER		7
+#define USB_CLASS_MASS_STORAGE		8
+#define USB_CLASS_HUB			9
+#define USB_CLASS_CDC_DATA		0x0a
+#define USB_CLASS_CSCID			0x0b	/* chip+ smart card */
+#define USB_CLASS_CONTENT_SEC		0x0d	/* content security */
+#define USB_CLASS_APP_SPEC		0xfe
+#define USB_CLASS_VENDOR_SPEC		0xff
+
+// FIXME include struct usb_config_descriptor
+
+/* USB_DT_STRING: String descriptor */
+struct usb_string_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+	__u16 wData[1];		/* UTF-16LE encoded */
+} __attribute__ ((packed));
+
+// FIXME include struct usb_interface_descriptor
+
+// FIXME include struct usb_endpoint_descriptor
+
+/*
+ * Endpoints
+ */
+#define USB_ENDPOINT_NUMBER_MASK	0x0f	/* in bEndpointAddress */
+#define USB_ENDPOINT_DIR_MASK		0x80
+
+#define USB_ENDPOINT_XFERTYPE_MASK	0x03	/* in bmAttributes */
+#define USB_ENDPOINT_XFER_CONTROL	0
+#define USB_ENDPOINT_XFER_ISOC		1
+#define USB_ENDPOINT_XFER_BULK		2
+#define USB_ENDPOINT_XFER_INT		3
+
+
+/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */
+struct usb_qualifier_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+	__u16 bcdUSB;
+	__u8  bDeviceClass;
+	__u8  bDeviceSubClass;
+	__u8  bDeviceProtocol;
+	__u8  bMaxPacketSize0;
+	__u8  bNumConfigurations;
+	__u8  bRESERVED;
+} __attribute__ ((packed));
+
+
+/*-------------------------------------------------------------------------*/
+
+/* USB 2.0 defines three speeds, here's how Linux identifies them */
+
+enum usb_device_speed {
+	USB_SPEED_UNKNOWN = 0,			/* enumerating */
+	USB_SPEED_LOW, USB_SPEED_FULL,		/* usb 1.1 */
+	USB_SPEED_HIGH				/* usb 2.0 */
+};
+
+#endif	/* __LINUX_USB_CH9_H */