drivers/usb : move usb drivers to drivers/usb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 684 deletions

diff --git a/drivers/usbdcore.c b/drivers/usbdcore.c
deleted file mode 100644
index 308c7ce..0000000
--- a/drivers/usbdcore.c
+++ /dev/null
@@ -1,684 +0,0 @@
-/*
- * (C) Copyright 2003
- * Gerry Hamel, geh@ti.com, Texas Instruments
- *
- * Based on
- * linux/drivers/usbd/usbd.c.c - USB Device Core Layer
- *
- * Copyright (c) 2000, 2001, 2002 Lineo
- * Copyright (c) 2001 Hewlett Packard
- *
- * By:
- *	Stuart Lynne <sl@lineo.com>,
- *	Tom Rushworth <tbr@lineo.com>,
- *	Bruce Balden <balden@lineo.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <malloc.h>
-#include "usbdcore.h"
-
-#define MAX_INTERFACES 2
-
-
-int maxstrings = 20;
-
-/* Global variables ************************************************************************** */
-
-struct usb_string_descriptor **usb_strings;
-
-int usb_devices;
-
-extern struct usb_function_driver ep0_driver;
-
-int registered_functions;
-int registered_devices;
-
-char *usbd_device_events[] = {
-	"DEVICE_UNKNOWN",
-	"DEVICE_INIT",
-	"DEVICE_CREATE",
-	"DEVICE_HUB_CONFIGURED",
-	"DEVICE_RESET",
-	"DEVICE_ADDRESS_ASSIGNED",
-	"DEVICE_CONFIGURED",
-	"DEVICE_SET_INTERFACE",
-	"DEVICE_SET_FEATURE",
-	"DEVICE_CLEAR_FEATURE",
-	"DEVICE_DE_CONFIGURED",
-	"DEVICE_BUS_INACTIVE",
-	"DEVICE_BUS_ACTIVITY",
-	"DEVICE_POWER_INTERRUPTION",
-	"DEVICE_HUB_RESET",
-	"DEVICE_DESTROY",
-	"DEVICE_FUNCTION_PRIVATE",
-};
-
-char *usbd_device_states[] = {
-	"STATE_INIT",
-	"STATE_CREATED",
-	"STATE_ATTACHED",
-	"STATE_POWERED",
-	"STATE_DEFAULT",
-	"STATE_ADDRESSED",
-	"STATE_CONFIGURED",
-	"STATE_UNKNOWN",
-};
-
-char *usbd_device_requests[] = {
-	"GET STATUS",		/* 0 */
-	"CLEAR FEATURE",	/* 1 */
-	"RESERVED",		/* 2 */
-	"SET FEATURE",		/* 3 */
-	"RESERVED",		/* 4 */
-	"SET ADDRESS",		/* 5 */
-	"GET DESCRIPTOR",	/* 6 */
-	"SET DESCRIPTOR",	/* 7 */
-	"GET CONFIGURATION",	/* 8 */
-	"SET CONFIGURATION",	/* 9 */
-	"GET INTERFACE",	/* 10 */
-	"SET INTERFACE",	/* 11 */
-	"SYNC FRAME",		/* 12 */
-};
-
-char *usbd_device_descriptors[] = {
-	"UNKNOWN",		/* 0 */
-	"DEVICE",		/* 1 */
-	"CONFIG",		/* 2 */
-	"STRING",		/* 3 */
-	"INTERFACE",		/* 4 */
-	"ENDPOINT",		/* 5 */
-	"DEVICE QUALIFIER",	/* 6 */
-	"OTHER SPEED",		/* 7 */
-	"INTERFACE POWER",	/* 8 */
-};
-
-char *usbd_device_status[] = {
-	"USBD_OPENING",
-	"USBD_OK",
-	"USBD_SUSPENDED",
-	"USBD_CLOSING",
-};
-
-
-/* Descriptor support functions ************************************************************** */
-
-
-/**
- * usbd_get_string - find and return a string descriptor
- * @index: string index to return
- *
- * Find an indexed string and return a pointer to a it.
- */
-struct usb_string_descriptor *usbd_get_string (__u8 index)
-{
-	if (index >= maxstrings) {
-		return NULL;
-	}
-	return usb_strings[index];
-}
-
-
-/* Access to device descriptor functions ***************************************************** */
-
-
-/* *
- * usbd_device_configuration_instance - find a configuration instance for this device
- * @device:
- * @configuration: index to configuration, 0 - N-1
- *
- * Get specifed device configuration. Index should be bConfigurationValue-1.
- */
-static struct usb_configuration_instance *usbd_device_configuration_instance (struct usb_device_instance *device,
-		unsigned int port, unsigned int configuration)
-{
-	/* XXX */
-	configuration = configuration ? configuration - 1 : 0;
-
-	if (configuration >= device->configurations) {
-		return NULL;
-	}
-	return device->configuration_instance_array + configuration;
-}
-
-
-/* *
- * usbd_device_interface_instance
- * @device:
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- *
- * Return the specified interface descriptor for the specified device.
- */
-struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *device, int port, int configuration, int interface)
-{
-	struct usb_configuration_instance *configuration_instance;
-
-	if ((configuration_instance = usbd_device_configuration_instance (device, port, configuration)) == NULL) {
-		return NULL;
-	}
-	if (interface >= configuration_instance->interfaces) {
-		return NULL;
-	}
-	return configuration_instance->interface_instance_array + interface;
-}
-
-/* *
- * usbd_device_alternate_descriptor_list
- * @device:
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- * @alternate: alternate setting
- *
- * Return the specified alternate descriptor for the specified device.
- */
-struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *device, int port, int configuration, int interface, int alternate)
-{
-	struct usb_interface_instance *interface_instance;
-
-	if ((interface_instance = usbd_device_interface_instance (device, port, configuration, interface)) == NULL) {
-		return NULL;
-	}
-
-	if (alternate >= interface_instance->alternates) {
-		return NULL;
-	}
-
-	return interface_instance->alternates_instance_array + alternate;
-}
-
-
-/* *
- * usbd_device_device_descriptor
- * @device: which device
- * @configuration: index to configuration, 0 - N-1
- * @port: which port
- *
- * Return the specified configuration descriptor for the specified device.
- */
-struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *device, int port)
-{
-	return (device->device_descriptor);
-}
-
-
-/**
- * usbd_device_configuration_descriptor
- * @device: which device
- * @port: which port
- * @configuration: index to configuration, 0 - N-1
- *
- * Return the specified configuration descriptor for the specified device.
- */
-struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct
-									   usb_device_instance
-									   *device, int port, int configuration)
-{
-	struct usb_configuration_instance *configuration_instance;
-	if (!(configuration_instance = usbd_device_configuration_instance (device, port, configuration))) {
-		return NULL;
-	}
-	return (configuration_instance->configuration_descriptor);
-}
-
-
-/**
- * usbd_device_interface_descriptor
- * @device: which device
- * @port: which port
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- * @alternate: alternate setting
- *
- * Return the specified interface descriptor for the specified device.
- */
-struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance
-								   *device, int port, int configuration, int interface, int alternate)
-{
-	struct usb_interface_instance *interface_instance;
-	if (!(interface_instance = usbd_device_interface_instance (device, port, configuration, interface))) {
-		return NULL;
-	}
-	if ((alternate < 0) || (alternate >= interface_instance->alternates)) {
-		return NULL;
-	}
-	return (interface_instance->alternates_instance_array[alternate].interface_descriptor);
-}
-
-/**
- * usbd_device_endpoint_descriptor_index
- * @device: which device
- * @port: which port
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- * @alternate: index setting
- * @index: which index
- *
- * Return the specified endpoint descriptor for the specified device.
- */
-struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance
-								       *device, int port, int configuration, int interface, int alternate, int index)
-{
-	struct usb_alternate_instance *alternate_instance;
-
-	if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) {
-		return NULL;
-	}
-	if (index >= alternate_instance->endpoints) {
-		return NULL;
-	}
-	return *(alternate_instance->endpoints_descriptor_array + index);
-}
-
-
-/**
- * usbd_device_endpoint_transfersize
- * @device: which device
- * @port: which port
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- * @index: which index
- *
- * Return the specified endpoint transfer size;
- */
-int usbd_device_endpoint_transfersize (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int index)
-{
-	struct usb_alternate_instance *alternate_instance;
-
-	if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) {
-		return 0;
-	}
-	if (index >= alternate_instance->endpoints) {
-		return 0;
-	}
-	return *(alternate_instance->endpoint_transfersize_array + index);
-}
-
-
-/**
- * usbd_device_endpoint_descriptor
- * @device: which device
- * @port: which port
- * @configuration: index to configuration, 0 - N-1
- * @interface: index to interface
- * @alternate: alternate setting
- * @endpoint: which endpoint
- *
- * Return the specified endpoint descriptor for the specified device.
- */
-struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int endpoint)
-{
-	struct usb_endpoint_descriptor *endpoint_descriptor;
-	int i;
-
-	for (i = 0; !(endpoint_descriptor = usbd_device_endpoint_descriptor_index (device, port, configuration, interface, alternate, i)); i++) {
-		if (endpoint_descriptor->bEndpointAddress == endpoint) {
-			return endpoint_descriptor;
-		}
-	}
-	return NULL;
-}
-
-/**
- * usbd_endpoint_halted
- * @device: point to struct usb_device_instance
- * @endpoint: endpoint to check
- *
- * Return non-zero if endpoint is halted.
- */
-int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint)
-{
-	return (device->status == USB_STATUS_HALT);
-}
-
-
-/**
- * usbd_rcv_complete - complete a receive
- * @endpoint:
- * @len:
- * @urb_bad:
- *
- * Called from rcv interrupt to complete.
- */
-void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad)
-{
-	if (endpoint) {
-		struct urb *rcv_urb;
-
-		/*usbdbg("len: %d urb: %p\n", len, endpoint->rcv_urb); */
-
-		/* if we had an urb then update actual_length, dispatch if neccessary */
-		if ((rcv_urb = endpoint->rcv_urb)) {
-
-			/*usbdbg("actual: %d buffer: %d\n", */
-			/*rcv_urb->actual_length, rcv_urb->buffer_length); */
-
-			/* check the urb is ok, are we adding data less than the packetsize */
-			if (!urb_bad && (len <= endpoint->rcv_packetSize)) {
-			  /*usbdbg("updating actual_length by %d\n",len); */
-
-				/* increment the received data size */
-				rcv_urb->actual_length += len;
-
-			} else {
-				usberr(" RECV_ERROR actual: %d buffer: %d urb_bad: %d\n",
-				       rcv_urb->actual_length, rcv_urb->buffer_length, urb_bad);
-
-				rcv_urb->actual_length = 0;
-				rcv_urb->status = RECV_ERROR;
-			}
-		} else {
-			usberr("no rcv_urb!");
-		}
-	} else {
-		usberr("no endpoint!");
-	}
-
-}
-
-/**
- * usbd_tx_complete - complete a transmit
- * @endpoint:
- * @resetart:
- *
- * Called from tx interrupt to complete.
- */
-void usbd_tx_complete (struct usb_endpoint_instance *endpoint)
-{
-	if (endpoint) {
-		struct urb *tx_urb;
-
-		/* if we have a tx_urb advance or reset, finish if complete */
-		if ((tx_urb = endpoint->tx_urb)) {
-			int sent = endpoint->last;
-			endpoint->sent += sent;
-			endpoint->last -= sent;
-
-			if( (endpoint->tx_urb->actual_length - endpoint->sent) <= 0 ) {
-				tx_urb->actual_length = 0;
-				endpoint->sent = 0;
-				endpoint->last = 0;
-
-				/* Remove from active, save for re-use */
-				urb_detach(tx_urb);
-				urb_append(&endpoint->done, tx_urb);
-				/*usbdbg("done->next %p, tx_urb %p, done %p", */
-				/*	 endpoint->done.next, tx_urb, &endpoint->done); */
-
-				endpoint->tx_urb = first_urb_detached(&endpoint->tx);
-				if( endpoint->tx_urb ) {
-					endpoint->tx_queue--;
-					usbdbg("got urb from tx list");
-				}
-				if( !endpoint->tx_urb ) {
-					/*usbdbg("taking urb from done list"); */
-					endpoint->tx_urb = first_urb_detached(&endpoint->done);
-				}
-				if( !endpoint->tx_urb ) {
-					usbdbg("allocating new urb for tx_urb");
-					endpoint->tx_urb = usbd_alloc_urb(tx_urb->device, endpoint);
-				}
-			}
-		}
-	}
-}
-
-/* URB linked list functions ***************************************************** */
-
-/*
- * Initialize an urb_link to be a single element list.
- * If the urb_link is being used as a distinguished list head
- * the list is empty when the head is the only link in the list.
- */
-void urb_link_init (urb_link * ul)
-{
-	if (ul) {
-		ul->prev = ul->next = ul;
-	}
-}
-
-/*
- * Detach an urb_link from a list, and set it
- * up as a single element list, so no dangling
- * pointers can be followed, and so it can be
- * joined to another list if so desired.
- */
-void urb_detach (struct urb *urb)
-{
-	if (urb) {
-		urb_link *ul = &urb->link;
-		ul->next->prev = ul->prev;
-		ul->prev->next = ul->next;
-		urb_link_init (ul);
-	}
-}
-
-/*
- * Return the first urb_link in a list with a distinguished
- * head "hd", or NULL if the list is empty.  This will also
- * work as a predicate, returning NULL if empty, and non-NULL
- * otherwise.
- */
-urb_link *first_urb_link (urb_link * hd)
-{
-	urb_link *nx;
-	if (NULL != hd && NULL != (nx = hd->next) && nx != hd) {
-		/* There is at least one element in the list */
-		/* (besides the distinguished head). */
-		return (nx);
-	}
-	/* The list is empty */
-	return (NULL);
-}
-
-/*
- * Return the first urb in a list with a distinguished
- * head "hd", or NULL if the list is empty.
- */
-struct urb *first_urb (urb_link * hd)
-{
-	urb_link *nx;
-	if (NULL == (nx = first_urb_link (hd))) {
-		/* The list is empty */
-		return (NULL);
-	}
-	return (p2surround (struct urb, link, nx));
-}
-
-/*
- * Detach and return the first urb in a list with a distinguished
- * head "hd", or NULL if the list is empty.
- *
- */
-struct urb *first_urb_detached (urb_link * hd)
-{
-	struct urb *urb;
-	if ((urb = first_urb (hd))) {
-		urb_detach (urb);
-	}
-	return urb;
-}
-
-
-/*
- * Append an urb_link (or a whole list of
- * urb_links) to the tail of another list
- * of urb_links.
- */
-void urb_append (urb_link * hd, struct urb *urb)
-{
-	if (hd && urb) {
-		urb_link *new = &urb->link;
-
-		/* This allows the new urb to be a list of urbs, */
-		/* with new pointing at the first, but the link */
-		/* must be initialized. */
-		/* Order is important here... */
-		urb_link *pul = hd->prev;
-		new->prev->next = hd;
-		hd->prev = new->prev;
-		new->prev = pul;
-		pul->next = new;
-	}
-}
-
-/* URB create/destroy functions ***************************************************** */
-
-/**
- * usbd_alloc_urb - allocate an URB appropriate for specified endpoint
- * @device: device instance
- * @endpoint: endpoint
- *
- * Allocate an urb structure. The usb device urb structure is used to
- * contain all data associated with a transfer, including a setup packet for
- * control transfers.
- *
- * NOTE: endpoint_address MUST contain a direction flag.
- */
-struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint)
-{
-	struct urb *urb;
-
-	if( !(urb = (struct urb*)malloc(sizeof(struct urb))) ) {
-	  usberr(" F A T A L:  malloc(%u) FAILED!!!!", sizeof(struct urb));
-	  return NULL;
-	}
-
-	/* Fill in known fields */
-	memset(urb, 0, sizeof(struct urb));
-	urb->endpoint = endpoint;
-	urb->device = device;
-	urb->buffer = (u8*)urb->buffer_data;
-	urb->buffer_length = sizeof(urb->buffer_data);
-
-	urb_link_init (&urb->link);
-
-	return urb;
-}
-
-/**
- * usbd_dealloc_urb - deallocate an URB and associated buffer
- * @urb: pointer to an urb structure
- *
- * Deallocate an urb structure and associated data.
- */
-void usbd_dealloc_urb (struct urb *urb)
-{
-	if (urb) {
-		free (urb);
-	}
-}
-
-/* Event signaling functions ***************************************************** */
-
-/**
- * usbd_device_event - called to respond to various usb events
- * @device: pointer to struct device
- * @event: event to respond to
- *
- * Used by a Bus driver to indicate an event.
- */
-void usbd_device_event_irq (struct usb_device_instance *device, usb_device_event_t event, int data)
-{
-	usb_device_state_t state;
-
-	if (!device || !device->bus) {
-		usberr("(%p,%d) NULL device or device->bus", device, event);
-		return;
-	}
-
-	state = device->device_state;
-
-	usbinfo("%s", usbd_device_events[event]);
-
-	switch (event) {
-	case DEVICE_UNKNOWN:
-		break;
-	case DEVICE_INIT:
-		device->device_state = STATE_INIT;
-		break;
-
-	case DEVICE_CREATE:
-		device->device_state = STATE_ATTACHED;
-		break;
-
-	case DEVICE_HUB_CONFIGURED:
-		device->device_state = STATE_POWERED;
-		break;
-
-	case DEVICE_RESET:
-		device->device_state = STATE_DEFAULT;
-		device->address = 0;
-		break;
-
-	case DEVICE_ADDRESS_ASSIGNED:
-		device->device_state = STATE_ADDRESSED;
-		break;
-
-	case DEVICE_CONFIGURED:
-		device->device_state = STATE_CONFIGURED;
-		break;
-
-	case DEVICE_DE_CONFIGURED:
-		device->device_state = STATE_ADDRESSED;
-		break;
-
-	case DEVICE_BUS_INACTIVE:
-		if (device->status != USBD_CLOSING) {
-			device->status = USBD_SUSPENDED;
-		}
-		break;
-	case DEVICE_BUS_ACTIVITY:
-		if (device->status != USBD_CLOSING) {
-			device->status = USBD_OK;
-		}
-		break;
-
-	case DEVICE_SET_INTERFACE:
-		break;
-	case DEVICE_SET_FEATURE:
-		break;
-	case DEVICE_CLEAR_FEATURE:
-		break;
-
-	case DEVICE_POWER_INTERRUPTION:
-		device->device_state = STATE_POWERED;
-		break;
-	case DEVICE_HUB_RESET:
-		device->device_state = STATE_ATTACHED;
-		break;
-	case DEVICE_DESTROY:
-		device->device_state = STATE_UNKNOWN;
-		break;
-
-	case DEVICE_FUNCTION_PRIVATE:
-		break;
-
-	default:
-		usbdbg("event %d - not handled",event);
-		break;
-	}
-	/*usbdbg("%s event: %d oldstate: %d newstate: %d status: %d address: %d",
-		device->name, event, state,
-		device->device_state, device->status, device->address); */
-
-	/* tell the bus interface driver */
-	if( device->event ) {
-		/* usbdbg("calling device->event"); */
-		device->event(device, event, data);
-	}
-}