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-rw-r--r--scripts/omap4_usbboot/.gitignore1
-rw-r--r--scripts/omap4_usbboot/Makefile5
-rw-r--r--scripts/omap4_usbboot/omap4_usbboot.c431
-rw-r--r--scripts/omap4_usbboot/usb.h61
-rw-r--r--scripts/omap4_usbboot/usb_linux.c397
5 files changed, 0 insertions, 895 deletions
diff --git a/scripts/omap4_usbboot/.gitignore b/scripts/omap4_usbboot/.gitignore
deleted file mode 100644
index 1975a2172f..0000000000
--- a/scripts/omap4_usbboot/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-omap4_usbboot
diff --git a/scripts/omap4_usbboot/Makefile b/scripts/omap4_usbboot/Makefile
deleted file mode 100644
index af6444b0e2..0000000000
--- a/scripts/omap4_usbboot/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-HOSTLOADLIBES_omap4_usbboot = -lpthread
-omap4_usbboot-objs := usb_linux.o omap4_usbboot.o
-hostprogs-$(CONFIG_OMAP4_USBBOOT) += omap4_usbboot
-
-always := $(hostprogs-y)
diff --git a/scripts/omap4_usbboot/omap4_usbboot.c b/scripts/omap4_usbboot/omap4_usbboot.c
deleted file mode 100644
index 0e5abcb159..0000000000
--- a/scripts/omap4_usbboot/omap4_usbboot.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * 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.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <pthread.h>
-#include <termios.h>
-
-#include "usb.h"
-
-#define USBBOOT_FS_MAGIC 0x5562464D
-#define USBBOOT_FS_CMD_OPEN 0x46530000
-#define USBBOOT_FS_CMD_CLOSE 0x46530001
-#define USBBOOT_FS_CMD_READ 0x46530002
-#define USBBOOT_FS_CMD_END 0x4653FFFF
-#define MAX_OPEN_FILES 128
-
-#define RESET 0
-#define BRIGHT 1
-#define WHITE 8
-#define RED 1
-#define BLACK 0
-#define TFORMAT "%c[%d;%dm"
-#define HFORMAT "%c[%dm"
-#define TARGET_FORMAT 0x1B, BRIGHT, RED+30
-#define HOST_FORMAT 0x1B, RESET
-#define host_print(fmt, arg...) printf(HFORMAT fmt TFORMAT, \
- HOST_FORMAT, ##arg, TARGET_FORMAT)
-
-void panic(struct termios *t_restore)
-{
- tcsetattr(STDIN_FILENO, TCSANOW, t_restore);
- printf(HFORMAT, HOST_FORMAT);
- exit(1);
-}
-
-struct thread_vars {
- struct usb_handle *usb;
- pthread_mutex_t usb_mutex;
- struct termios t_restore;
-};
-
-void *listenerTask(void *argument)
-{
- struct thread_vars *vars = argument;
- int c;
- for (;;) {
- c = getchar();
- if (c == EOF)
- return NULL;
- pthread_mutex_lock(&vars->usb_mutex);
- if (usb_write(vars->usb, &c, 4) != 4) {
- host_print("could not send '%c' to target\n", c);
- panic(&vars->t_restore);
- }
- pthread_mutex_unlock(&vars->usb_mutex);
- }
- return NULL;
-}
-
-int read_asic_id(struct usb_handle *usb)
-{
-#define LINEWIDTH 16
- const uint32_t msg_getid = 0xF0030003;
- int i, j, k, ret;
- uint8_t id[81];
- char line[LINEWIDTH*3+5];
-
- printf("reading ASIC ID\n");
- memset(id , 0xee, sizeof(id));
- if (usb_write(usb, &msg_getid, sizeof(msg_getid)) !=
- sizeof(msg_getid)
- ) {
- printf("Could not send msg_getid request\n");
- return -1;
- }
- if (usb_read(usb, id, sizeof(id)) != sizeof(id)) {
- printf("Could not read msg_getid answer\n");
- return -1;
- }
- for (i = 0; i < sizeof(id); i += LINEWIDTH) {
- sprintf(line, "%02X: ", i);
- for (j = 0; j < LINEWIDTH && j < sizeof(id)-i; j++)
- sprintf(line+4+j*3, "%02X ", id[i+j]);
- line[4+j*3] = 0;
- puts(line);
- }
- ret = 0;
- for (i = 1, j = 0; i < sizeof(id) && j < id[0]; i += 2+id[i+1], j++) {
- if (i+2+id[i+1] > sizeof(id)) {
- printf("Truncated subblock\n");
- ret++;
- continue;
- }
- switch (id[i]) {
- case 0x01: /* ID subblock */
- if (id[i+1] != 0x05) {
- printf("Unexpected ID subblock size\n");
- ret++;
- continue;
- }
- if (id[i+2] != 0x01)
- printf("Unexpected fixed value\n");
- k = (id[i+3]<<8) | id[i+4];
- switch (k) {
- case 0x4440:
- printf("OMAP 4460 Device\n");
- break;
- default:
- printf("Unknown Device\n");
- break;
- }
- switch (id[i+5]) {
- case 0x07:
- printf("CH enabled (read from eFuse)\n");
- break;
- case 0x17:
- printf("CH disabled (read from eFuse)\n");
- break;
- default:
- printf("Unknown CH setting\n");
- break;
- }
- printf("Rom version: %hhu\n", id[i+6]);
- break;
- case 0x15: /* Checksum subblock */
- if (id[i+1] != 0x09) {
- printf("Unexpected Checksum subblock size\n");
- ret++;
- continue;
- }
- if (id[i+2] != 0x01)
- printf("Unexpected fixed value\n");
- k = (id[i+3]<<24) | (id[i+4]<<16) |
- (id[i+5]<<8) | id[i+6];
- printf("Rom CRC: 0x%08X\n", k);
- k = (id[i+7]<<24) | (id[i+8]<<16) |
- (id[i+9]<<8) | id[i+10];
- switch (k) {
- case 0:
- printf("A GP device\n");
- break;
- default:
- printf("Unknown device\n");
- break;
- }
- break;
- }
- }
- if (i != sizeof(id) || j != id[0]) {
- printf("Unexpected ASIC ID structure size.\n");
- ret++;
- }
- return ret;
-}
-
-struct file_data {
- size_t size;
- void *data;
-};
-
-int process_file(struct usb_handle *usb, const char *rootfs,
- struct file_data *fd_vector, struct termios *t_restore)
-{
- uint32_t i, j, pos, size;
- struct stat s;
- int fd, ret;
- char fname[256];
-
- if (usb_read(usb, &i, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- ret = 0;
- switch (i) {
- case USBBOOT_FS_CMD_OPEN:
- for (j = 0; rootfs[j]; j++)
- fname[j] = rootfs[j];
- for (;; j++) {
- if (usb_read(usb, &i, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (i == USBBOOT_FS_CMD_END) {
- fname[j] = 0;
- break;
- } else if (i > 0xFF) {
- host_print("Error in filename\n");
- ret++;
- fname[j] = 0;
- break;
- } else
- fname[j] = i;
- }
- for (i = 0; i < MAX_OPEN_FILES && fd_vector[i].data; i++)
- ;
- if (i >= MAX_OPEN_FILES) {
- host_print("MAX_OPEN_FILES exceeded\n");
- ret++;
- goto open_error_1;
- }
- fd = open(fname, O_RDONLY);
- if (fd < 0) {
- host_print("cannot open '%s'\n", fname);
- ret++;
- goto open_error_1;
- }
- if (fstat(fd, &s)) {
- host_print("cannot stat '%s'\n", fname);
- ret++;
- goto open_error_2;
- }
- fd_vector[i].data = mmap(NULL, s.st_size, PROT_READ,
- MAP_PRIVATE, fd, 0);
- if (fd_vector[i].data == MAP_FAILED) {
- host_print("cannot mmap '%s'\n", fname);
- ret++;
- goto open_error_2;
- }
- close(fd);
- fd_vector[i].size = size = s.st_size;
- fd = i;
- goto open_ok;
-
-open_error_2:
- close(fd);
-open_error_1:
- fd_vector[i].size = size = 0;
- fd_vector[i].data = NULL;
- fd = -1;
-open_ok:
- if (usb_write(usb, &fd, 4) != 4 ||
- usb_write(usb, &size, 4) != 4
- ) {
- host_print("could not send file size to target\n");
- panic(t_restore);
- }
- break;
- case USBBOOT_FS_CMD_CLOSE:
- if (usb_read(usb, &i, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (i >= MAX_OPEN_FILES || !fd_vector[i].data) {
- host_print("invalid close index\n");
- ret++;
- break;
- }
- if (usb_read(usb, &j, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (j != USBBOOT_FS_CMD_END) {
- host_print("invalid close\n");
- ret++;
- break;
- }
- munmap(fd_vector[i].data, fd_vector[i].size);
- fd_vector[i].data = NULL;
- break;
- case USBBOOT_FS_CMD_READ:
- if (usb_read(usb, &i, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (i >= MAX_OPEN_FILES || !fd_vector[i].data) {
- host_print("invalid read index\n");
- ret++;
- break;
- }
- if (usb_read(usb, &pos, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (pos >= fd_vector[i].size) {
- host_print("invalid read pos\n");
- ret++;
- break;
- }
- if (usb_read(usb, &size, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (pos+size > fd_vector[i].size) {
- host_print("invalid read size\n");
- ret++;
- break;
- }
- if (usb_read(usb, &j, 4) != 4) {
- host_print("USB error\n");
- panic(t_restore);
- }
- if (j != USBBOOT_FS_CMD_END) {
- host_print("invalid read\n");
- ret++;
- break;
- }
- if (usb_write(usb, fd_vector[i].data+pos, size) != size) {
- host_print("could not send file to target\n");
- panic(t_restore);
- }
- break;
- case USBBOOT_FS_CMD_END:
- default:
- host_print("Unknown filesystem command\n");
- ret++;
- break;
- }
- return ret;
-}
-
-int usb_boot(
- struct usb_handle *usb, void *data, unsigned sz, const char *rootfs)
-{
- const uint32_t msg_boot = 0xF0030002;
- uint32_t msg_size = sz;
- int i;
- pthread_t thread;
- struct thread_vars vars;
- struct termios tn;
- struct file_data fd_vector[MAX_OPEN_FILES];
-
- if (read_asic_id(usb))
- return -1;
-
- printf("sending xload to target...\n");
- usleep(1000);
- usb_write(usb, &msg_boot, sizeof(msg_boot));
- usleep(1000);
- usb_write(usb, &msg_size, sizeof(msg_size));
- usleep(1000);
- usb_write(usb, data, sz);
- usleep(100000);
- munmap(data, msg_size);
- for (i = 0; i < MAX_OPEN_FILES; i++)
- fd_vector[i].data = NULL;
-
- vars.usb = usb;
- pthread_mutex_init(&vars.usb_mutex, NULL);
- tcgetattr(STDIN_FILENO, &vars.t_restore);
- tn = vars.t_restore;
- tn.c_lflag &= ~(ICANON | ECHO);
- printf(TFORMAT, TARGET_FORMAT);
- tcsetattr(STDIN_FILENO, TCSANOW, &tn);
- if (pthread_create(&thread, NULL, listenerTask, &vars))
- host_print("listenerTask failed\n");
- for (;;) {
- usleep(100);
- if (usb_read(usb, &i, 4) != 4)
- break;
- if (i == USBBOOT_FS_MAGIC) {
- usleep(100);
- pthread_mutex_lock(&vars.usb_mutex);
- process_file(usb, rootfs, fd_vector, &vars.t_restore);
- pthread_mutex_unlock(&vars.usb_mutex);
- continue;
- }
- printf("%c", i);
- fflush(stdout);
- }
- usb_close(usb);
- pthread_mutex_destroy(&vars.usb_mutex);
- tcsetattr(STDIN_FILENO, TCSANOW, &vars.t_restore);
- printf(HFORMAT, HOST_FORMAT);
- return 0;
-}
-
-int match_omap4_bootloader(struct usb_ifc_info *ifc)
-{
- if (ifc->dev_vendor != 0x0451)
- return -1;
- if ((ifc->dev_product != 0xD010) && (ifc->dev_product != 0xD00F))
- return -1;
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- void *data;
- unsigned sz;
- struct stat s;
- int fd;
- struct usb_handle *usb;
- int once;
-
- if (argc != 3) {
- printf("usage: %s <xloader> <rootfs>\n", argv[0]);
- return 0;
- }
- argv++;
- fd = open(argv[0], O_RDONLY);
- if (fd < 0 || fstat(fd, &s)) {
- printf("cannot open '%s'\n", argv[0]);
- return -1;
- }
- data = mmap(NULL, s.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
- if (data == MAP_FAILED) {
- printf("cannot mmap '%s'\n", argv[0]);
- return -1;
- }
- sz = s.st_size;
- close(fd);
- argv++;
- printf(HFORMAT, HOST_FORMAT);
- for (once = 1;;) {
- usb = usb_open(match_omap4_bootloader);
- if (usb)
- return usb_boot(usb, data, sz, argv[0]);
- if (once) {
- once = 0;
- printf("waiting for OMAP44xx device...\n");
- }
- usleep(250000);
- }
- return -1;
-}
diff --git a/scripts/omap4_usbboot/usb.h b/scripts/omap4_usbboot/usb.h
deleted file mode 100644
index d50aa6aa6f..0000000000
--- a/scripts/omap4_usbboot/usb.h
+++ /dev/null
@@ -1,61 +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.
- */
-
-#ifndef _USB_H_
-#define _USB_H_
-
-struct usb_ifc_info {
- /* from device descriptor */
- unsigned short dev_vendor;
- unsigned short dev_product;
-
- unsigned char dev_class;
- unsigned char dev_subclass;
- unsigned char dev_protocol;
-
- unsigned char ifc_class;
- unsigned char ifc_subclass;
- unsigned char ifc_protocol;
-
- unsigned char has_bulk_in;
- unsigned char has_bulk_out;
-
- unsigned char writable;
-
- char serial_number[256];
-};
-
-typedef int (*ifc_match_func)(struct usb_ifc_info *ifc);
-
-struct usb_handle *usb_open(ifc_match_func callback);
-int usb_close(struct usb_handle *h);
-int usb_read(struct usb_handle *h, void *_data, int len);
-int usb_write(struct usb_handle *h, const void *_data, int len);
-
-
-#endif
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);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 14:22:48 +0000