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-rw-r--r--scripts/omap4_usbboot/usb_linux.c397
1 files changed, 0 insertions, 397 deletions
diff --git a/scripts/omap4_usbboot/usb_linux.c b/scripts/omap4_usbboot/usb_linux.c
deleted file mode 100644
index 9a6e0b84d0..0000000000
--- a/scripts/omap4_usbboot/usb_linux.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <pthread.h>
-#include <ctype.h>
-
-#include <linux/usbdevice_fs.h>
-#include <linux/usbdevice_fs.h>
-#include <linux/version.h>
-#include <linux/usb/ch9.h>
-#include <asm/byteorder.h>
-
-#include "usb.h"
-
-#define MAX_RETRIES 2
-
-#ifdef TRACE_USB
-#define DBG1(x...) fprintf(stderr, x)
-#define DBG(x...) fprintf(stderr, x)
-#else
-#define DBG(x...)
-#define DBG1(x...)
-#endif
-
-struct usb_handle {
- char fname[64];
- int desc;
- unsigned char ep_in;
- unsigned char ep_out;
-};
-
-static inline int badname(const char *name)
-{
- while (*name) {
- if (!isdigit(*name++))
- return 1;
- }
- return 0;
-}
-
-static int check(void *_desc, int len, unsigned type, int size)
-{
- unsigned char *desc = _desc;
-
- if (len < size)
- return -1;
- if (desc[0] < size)
- return -1;
- if (desc[0] > len)
- return -1;
- if (desc[1] != type)
- return -1;
-
- return 0;
-}
-
-static int filter_usb_device(int fd, char *ptr, int len, int writable,
- ifc_match_func callback, int *ept_in_id, int *ept_out_id, int *ifc_id)
-{
- struct usb_device_descriptor *dev;
- struct usb_config_descriptor *cfg;
- struct usb_interface_descriptor *ifc;
- struct usb_endpoint_descriptor *ept;
- struct usb_ifc_info info;
-
- int in, out;
- unsigned i;
- unsigned e;
-
- if (check(ptr, len, USB_DT_DEVICE, USB_DT_DEVICE_SIZE))
- return -1;
- dev = (void *) ptr;
- len -= dev->bLength;
- ptr += dev->bLength;
-
- if (check(ptr, len, USB_DT_CONFIG, USB_DT_CONFIG_SIZE))
- return -1;
- cfg = (void *) ptr;
- len -= cfg->bLength;
- ptr += cfg->bLength;
-
- info.dev_vendor = dev->idVendor;
- info.dev_product = dev->idProduct;
- info.dev_class = dev->bDeviceClass;
- info.dev_subclass = dev->bDeviceSubClass;
- info.dev_protocol = dev->bDeviceProtocol;
- info.writable = writable;
-
- /* read device serial number (if there is one) */
- info.serial_number[0] = 0;
- if (dev->iSerialNumber) {
- struct usbdevfs_ctrltransfer ctrl;
- __u16 buffer[128];
- int result;
-
- memset(buffer, 0, sizeof(buffer));
-
- ctrl.bRequestType = USB_DIR_IN|
- USB_TYPE_STANDARD|USB_RECIP_DEVICE;
- ctrl.bRequest = USB_REQ_GET_DESCRIPTOR;
- ctrl.wValue = (USB_DT_STRING << 8) | dev->iSerialNumber;
- ctrl.wIndex = 0;
- ctrl.wLength = sizeof(buffer);
- ctrl.data = buffer;
- ctrl.timeout = 50;
-
- result = ioctl(fd, USBDEVFS_CONTROL, &ctrl);
- if (result > 0) {
- int i;
- /* skip first word, and copy the rest to the serial
- string, changing shorts to bytes. */
- result /= 2;
- for (i = 1; i < result; i++)
- info.serial_number[i - 1] = buffer[i];
- info.serial_number[i - 1] = 0;
- }
- }
-
- for (i = 0; i < cfg->bNumInterfaces; i++) {
- if (check(ptr, len, USB_DT_INTERFACE, USB_DT_INTERFACE_SIZE))
- return -1;
- ifc = (void *) ptr;
- len -= ifc->bLength;
- ptr += ifc->bLength;
-
- in = -1;
- out = -1;
- info.ifc_class = ifc->bInterfaceClass;
- info.ifc_subclass = ifc->bInterfaceSubClass;
- info.ifc_protocol = ifc->bInterfaceProtocol;
-
- for (e = 0; e < ifc->bNumEndpoints; e++) {
- if (check(ptr, len, USB_DT_ENDPOINT,
- USB_DT_ENDPOINT_SIZE)
- )
- return -1;
- ept = (void *) ptr;
- len -= ept->bLength;
- ptr += ept->bLength;
-
- if ((ept->bmAttributes & 0x03) != 0x02)
- continue;
-
- if (ept->bEndpointAddress & 0x80)
- in = ept->bEndpointAddress;
- else
- out = ept->bEndpointAddress;
- }
-
- info.has_bulk_in = (in != -1);
- info.has_bulk_out = (out != -1);
-
- if (callback(&info) == 0) {
- *ept_in_id = in;
- *ept_out_id = out;
- *ifc_id = ifc->bInterfaceNumber;
- return 0;
- }
- }
-
- return -1;
-}
-
-static struct usb_handle *find_usb_device(
- const char *base, ifc_match_func callback)
-{
- struct usb_handle *usb = 0;
- char busname[64], devname[64];
- char desc[1024];
- int n, in, out, ifc;
-
- DIR *busdir, *devdir;
- struct dirent *de;
- int fd;
- int writable;
-
- busdir = opendir(base);
- if (busdir == 0)
- return 0;
-
- while ((de = readdir(busdir)) && (usb == 0)) {
- if (badname(de->d_name))
- continue;
-
- sprintf(busname, "%s/%s", base, de->d_name);
- devdir = opendir(busname);
- if (devdir == 0)
- continue;
-
- /* DBG("[ scanning %s ]\n", busname); */
- while ((de = readdir(devdir)) && (usb == 0)) {
-
- if (badname(de->d_name))
- continue;
- sprintf(devname, "%s/%s", busname, de->d_name);
-
- /* DBG("[ scanning %s ]\n", devname); */
- writable = 1;
- fd = open(devname, O_RDWR);
- if (fd < 0) {
- /* Check if we have read-only access,
- so we can give a helpful diagnostic
- like "adb devices" does. */
- writable = 0;
- fd = open(devname, O_RDONLY);
- if (fd < 0)
- continue;
- }
-
- n = read(fd, desc, sizeof(desc));
-
- if (filter_usb_device(fd, desc, n, writable,
- callback, &in, &out, &ifc) == 0
- ) {
- usb = calloc(1, sizeof(struct usb_handle));
- strcpy(usb->fname, devname);
- usb->ep_in = in;
- usb->ep_out = out;
- usb->desc = fd;
-
- n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc);
- if (n != 0) {
- close(fd);
- free(usb);
- usb = 0;
- continue;
- }
- } else
- close(fd);
- }
- closedir(devdir);
- }
- closedir(busdir);
-
- return usb;
-}
-
-int usb_write(struct usb_handle *h, const void *_data, int len)
-{
- unsigned char *data = (unsigned char *) _data;
- unsigned count = 0;
- struct usbdevfs_bulktransfer bulk;
- int n;
-
- if (h->ep_out == 0)
- return -1;
-
- if (len == 0) {
- bulk.ep = h->ep_out;
- bulk.len = 0;
- bulk.data = data;
- bulk.timeout = 0;
-
- n = ioctl(h->desc, USBDEVFS_BULK, &bulk);
- if (n != 0) {
- fprintf(stderr, "ERROR: n = %d, errno = %d (%s)\n",
- n, errno, strerror(errno));
- return -1;
- }
- return 0;
- }
-
- while (len > 0) {
- int xfer;
- xfer = (len > 4096) ? 4096 : len;
-
- bulk.ep = h->ep_out;
- bulk.len = xfer;
- bulk.data = data;
- bulk.timeout = 0;
-
- n = ioctl(h->desc, USBDEVFS_BULK, &bulk);
- if (n != xfer) {
- DBG("ERROR: n = %d, errno = %d (%s)\n",
- n, errno, strerror(errno));
- return -1;
- }
-
- count += xfer;
- len -= xfer;
- data += xfer;
- }
-
- return count;
-}
-
-int usb_read(struct usb_handle *h, void *_data, int len)
-{
- unsigned char *data = (unsigned char *) _data;
- unsigned count = 0;
- struct usbdevfs_bulktransfer bulk;
- int n, retry;
-
- if (h->ep_in == 0)
- return -1;
-
- while (len > 0) {
- int xfer = (len > 4096) ? 4096 : len;
-
- bulk.ep = h->ep_in;
- bulk.len = xfer;
- bulk.data = data;
- bulk.timeout = 0;
- retry = 0;
-
- do {
- DBG("[ usb read %d fd = %d], fname=%s\n",
- xfer, h->desc, h->fname);
- n = ioctl(h->desc, USBDEVFS_BULK, &bulk);
- DBG("[ usb read %d ] = %d, fname=%s, Retry %d\n",
- xfer, n, h->fname, retry);
-
- if (n < 0) {
- DBG1("ERROR: n = %d, errno = %d (%s)\n",
- n, errno, strerror(errno));
- if (++retry > MAX_RETRIES)
- return -1;
- usleep(10000);
- }
- } while (n < 0);
-
- count += n;
- len -= n;
- data += n;
-
- if (n < xfer)
- break;
- }
-
- return count;
-}
-
-void usb_kick(struct usb_handle *h)
-{
- int fd;
-
- fd = h->desc;
- h->desc = -1;
- if (fd >= 0) {
- close(fd);
- DBG("[ usb closed %d ]\n", fd);
- }
-}
-
-int usb_close(struct usb_handle *h)
-{
- int fd;
-
- fd = h->desc;
- h->desc = -1;
- if (fd >= 0) {
- close(fd);
- DBG("[ usb closed %d ]\n", fd);
- }
-
- return 0;
-}
-
-struct usb_handle *usb_open(ifc_match_func callback)
-{
- return find_usb_device("/dev/bus/usb", callback);
-}
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