515 lines
14 KiB
C
515 lines
14 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland
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*
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* Most of this source has been derived from the Linux USB
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* project.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include "config.h"
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#include <stdarg.h>
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#include "usb.h"
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#undef RESET_START_STOP_CMDS
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#undef CONFIG_USB_STORAGE
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#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || defined(CONFIG_USB_EHCI)
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#ifdef CONFIG_USB_STORAGE
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extern int usb_stor_curr_dev; /* current device */
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#endif
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#if defined(COLDFIRE) && defined(NETWORK) && defined(LWIP)
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extern long pxCurrentTCB, tid_TOS;
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// #define info(format, arg...) do { if(pxCurrentTCB == tid_TOS) kprint(format, ## arg); else board_printf(format, ## arg); } while(0)
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#else
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#define info(format, arg...) kprint(format, ## arg)
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#endif
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#if defined(COLDFIRE) && defined(NETWORK) && defined(LWIP)
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typedef struct
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{
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int dest;
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void (*func)(char);
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char *loc;
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} PRINTK_INFO;
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#define DEST_CONSOLE (1)
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#define DEST_STRING (2)
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extern int printk(PRINTK_INFO *info, const char *fmt, va_list ap);
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static void info(const char *const fmt, ...)
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{
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va_list ap;
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PRINTK_INFO info;
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static char buf[1024];
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info.dest = DEST_STRING;
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info.loc = buf;
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va_start(ap, fmt);
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printk(&info, fmt, ap);
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*info.loc = '\0';
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if(pxCurrentTCB == tid_TOS)
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kprint(buf);
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else
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board_printf(buf);
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va_end(ap);
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}
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#endif /* defined(COLDFIRE) && defined(NETWORK) && defined(LWIP) */
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/* some display routines (info command) */
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char *usb_get_class_desc(unsigned char dclass)
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{
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switch (dclass)
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{
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case USB_CLASS_PER_INTERFACE: return "See Interface";
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case USB_CLASS_AUDIO: return "Audio";
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case USB_CLASS_COMM: return "Communication";
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case USB_CLASS_HID: return "Human Interface";
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case USB_CLASS_PRINTER: return "Printer";
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case USB_CLASS_MASS_STORAGE: return "Mass Storage";
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case USB_CLASS_HUB: return "Hub";
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case USB_CLASS_DATA: return "CDC Data";
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case USB_CLASS_VENDOR_SPEC: return "Vendor specific";
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default: return "";
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}
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}
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void usb_display_class_sub(unsigned char dclass, unsigned char subclass, unsigned char proto)
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{
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switch(dclass)
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{
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case USB_CLASS_PER_INTERFACE:
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info("See Interface");
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break;
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case USB_CLASS_HID:
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info("Human Interface, Subclass: ");
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switch(subclass)
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{
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case USB_SUB_HID_NONE: info("None"); break;
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case USB_SUB_HID_BOOT:
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info("Boot ");
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switch(proto)
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{
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case USB_PROT_HID_NONE: info("None"); break;
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case USB_PROT_HID_KEYBOARD: info("Keyboard"); break;
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case USB_PROT_HID_MOUSE: info("Mouse"); break;
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default: info("reserved"); break;
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}
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break;
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default: info("reserved"); break;
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}
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break;
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case USB_CLASS_MASS_STORAGE:
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info("Mass Storage, ");
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switch(subclass)
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{
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case US_SC_RBC: info("RBC "); break;
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case US_SC_8020: info("SFF-8020i (ATAPI)"); break;
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case US_SC_QIC: info("QIC-157 (Tape)"); break;
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case US_SC_UFI: info("UFI"); break;
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case US_SC_8070: info("SFF-8070"); break;
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case US_SC_SCSI: info("Transp. SCSI"); break;
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default: info("reserved"); break;
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}
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info(", ");
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switch (proto)
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{
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case US_PR_CB: info("Command/Bulk"); break;
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case US_PR_CBI: info("Command/Bulk/Int"); break;
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case US_PR_BULK: info("Bulk only"); break;
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default: info("reserved"); break;
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}
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break;
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default: info("%s", usb_get_class_desc(dclass)); break;
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}
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}
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void usb_display_string(struct usb_device *dev, int index)
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{
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char buffer[256];
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if(index != 0)
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{
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if(usb_string(dev, index, &buffer[0], 256) > 0)
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info("String: \"%s\"", buffer);
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}
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}
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void usb_display_desc(struct usb_device *dev)
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{
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if(dev->descriptor.bDescriptorType == USB_DT_DEVICE)
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{
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info("%d: %s, USB Revision %x.%x\r\n", dev->devnum, usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass), (dev->descriptor.bcdUSB>>8) & 0xff, dev->descriptor.bcdUSB & 0xff);
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if(strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial))
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info(" - %s %s %s\r\n", dev->mf, dev->prod, dev->serial);
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if(dev->descriptor.bDeviceClass)
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{
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info(" - Class: ");
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usb_display_class_sub(dev->descriptor.bDeviceClass, dev->descriptor.bDeviceSubClass, dev->descriptor.bDeviceProtocol);
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info("\r\n");
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}
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else
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info(" - Class: (from Interface) %s\r\n", usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass));
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info(" - PacketSize: %d Configurations: %d\r\n",
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dev->descriptor.bMaxPacketSize0,
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dev->descriptor.bNumConfigurations);
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info(" - Vendor: 0x%04x Product 0x%04x Version %d.%d\r\n", dev->descriptor.idVendor, dev->descriptor.idProduct, (dev->descriptor.bcdDevice>>8) & 0xff, dev->descriptor.bcdDevice & 0xff);
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}
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}
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void usb_display_conf_desc(struct usb_config_descriptor *config, struct usb_device *dev)
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{
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info(" Configuration: %d\r\n", config->bConfigurationValue);
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info(" - Interfaces: %d %s%s%dmA\r\n", config->bNumInterfaces, (config->bmAttributes & 0x40) ? "Self Powered " : "Bus Powered ", (config->bmAttributes & 0x20) ? "Remote Wakeup " : "", config->MaxPower*2);
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if(config->iConfiguration)
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{
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info(" - ");
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usb_display_string(dev, config->iConfiguration);
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info("\r\n");
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}
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}
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void usb_display_if_desc(struct usb_interface_descriptor *ifdesc, struct usb_device *dev)
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{
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info(" Interface: %d\r\n", ifdesc->bInterfaceNumber);
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info(" - Alternate Setting %d, Endpoints: %d\r\n", ifdesc->bAlternateSetting, ifdesc->bNumEndpoints);
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info(" - Class ");
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usb_display_class_sub(ifdesc->bInterfaceClass, ifdesc->bInterfaceSubClass, ifdesc->bInterfaceProtocol);
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info("\r\n");
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if(ifdesc->iInterface)
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{
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info(" - ");
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usb_display_string(dev, ifdesc->iInterface);
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info("\r\n");
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}
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}
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void usb_display_ep_desc(struct usb_endpoint_descriptor *epdesc)
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{
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info(" - Endpoint %d %s ", epdesc->bEndpointAddress & 0xf, (epdesc->bEndpointAddress & 0x80) ? "In" : "Out");
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switch((epdesc->bmAttributes & 0x03))
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{
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case 0: info("Control"); break;
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case 1: info("Isochronous"); break;
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case 2: info("Bulk"); break;
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case 3: info("Interrupt"); break;
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}
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info(" MaxPacket %d", epdesc->wMaxPacketSize);
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if((epdesc->bmAttributes & 0x03) == 0x3)
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info(" Interval %dms", epdesc->bInterval);
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info("\r\n");
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}
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/* main routine to diasplay the configs, interfaces and endpoints */
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void usb_display_config(struct usb_device *dev)
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{
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struct usb_config_descriptor *config;
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struct usb_interface_descriptor *ifdesc;
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struct usb_endpoint_descriptor *epdesc;
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int i, ii;
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config = &dev->config;
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usb_display_conf_desc(config, dev);
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for(i = 0; i < config->no_of_if; i++)
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{
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ifdesc = &config->if_desc[i];
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usb_display_if_desc(ifdesc, dev);
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for(ii = 0; ii < ifdesc->no_of_ep; ii++)
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{
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epdesc = &ifdesc->ep_desc[ii];
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usb_display_ep_desc(epdesc);
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}
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}
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info("\r\n");
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}
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static inline char *portspeed(int speed)
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{
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if(speed == USB_SPEED_HIGH)
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return "480 Mb/s";
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else if(speed == USB_SPEED_LOW)
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return "1.5 Mb/s";
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else
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return "12 Mb/s";
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}
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/* shows the device tree recursively */
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void usb_show_tree_graph(struct usb_device *dev, char *pre)
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{
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int i, index;
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int has_child, last_child, port;
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index = strlen(pre);
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info(" %s", pre);
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/* check if the device has connected children */
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has_child = 0;
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for(i = 0; i < dev->maxchild; i++)
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{
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if(dev->children[i] != NULL)
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has_child = 1;
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}
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/* check if we are the last one */
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last_child = 1;
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if(dev->parent != NULL)
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{
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for(i = 0; i < dev->parent->maxchild; i++)
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{
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/* search for children */
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if(dev->parent->children[i] == dev)
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{
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/* found our pointer, see if we have a little sister */
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port = i;
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while(i++ < dev->parent->maxchild)
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{
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if(dev->parent->children[i] != NULL)
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{
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/* found a sister */
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last_child = 0;
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break;
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} /* if */
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} /* while */
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} /* device found */
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} /* for all children of the parent */
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info("\b+-");
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/* correct last child */
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if(last_child)
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pre[index-1] = ' ';
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} /* if not root hub */
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else
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info(" ");
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info("%d ", dev->devnum);
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pre[index++] = ' ';
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pre[index++] = has_child ? '|' : ' ';
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pre[index] = 0;
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info(" %s (%s, %dmA)\r\n", usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass), portspeed(dev->speed), dev->config.MaxPower * 2);
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if(strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial))
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info(" %s %s %s %s\r\n", pre, dev->mf, dev->prod, dev->serial);
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info(" %s\r\n", pre);
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if(dev->maxchild > 0)
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{
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for(i = 0; i < dev->maxchild; i++)
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{
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if(dev->children[i] != NULL)
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{
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usb_show_tree_graph(dev->children[i], pre);
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pre[index] = 0;
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}
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}
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}
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}
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/* main routine for the tree command */
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void usb_show_tree(struct usb_device *dev)
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{
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char preamble[32];
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memset(preamble, 0, 32);
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usb_show_tree_graph(dev, &preamble[0]);
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}
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/******************************************************************************
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* usb command intepreter
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*/
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int uif_cmd_usb(int argc, char **argv)
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{
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int i;
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struct usb_device *dev = NULL;
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#ifdef CONFIG_USB_STORAGE
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block_dev_desc_t *stor_dev;
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#endif
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#ifdef RESET_START_STOP_CMDS
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extern char usb_started;
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if((strncmp(argv[1], "reset", 5) == 0) || (strncmp(argv[1], "start", 5) == 0))
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{
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usb_stop();
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info("(Re)start USB...\r\n");
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i = usb_init(0, NULL);
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#ifdef CONFIG_USB_STORAGE
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/* try to recognize storage devices immediately */
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if(i >= 0)
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usb_stor_curr_dev = usb_stor_scan();
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#endif /* CONFIG_USB_STORAGE */
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return 0;
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}
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if(strncmp(argv[1], "stop", 4) == 0)
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{
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#ifdef CONFIG_USB_KEYBOARD
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if(argc == 2)
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{
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if(usb_kbd_deregister() != 0)
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{
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info("USB not stopped: usbkbd still using USB\r\n");
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return 1;
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}
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}
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else /* forced stop, switch console in to serial */
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usb_kbd_deregister();
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#endif /* CONFIG_USB_KEYBOARD */
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info("stopping USB..\r\n");
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usb_stop();
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return 0;
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}
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if(!usb_started)
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{
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info("USB is stopped. Please issue 'usb start' first.\r\n");
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return 1;
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}
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#endif /* RESET_START_STOP_CMDS */
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if(strncmp(argv[1], "tree", 4) == 0)
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{
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info("\r\nUSB Device Tree:\r\n");
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for(i = 0; i < USB_MAX_BUS; i++)
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{
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struct usb_device *dev = usb_get_dev_index(0, i);
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if(dev == NULL)
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break;
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info(" USB controller %d:\r\n", i);
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usb_show_tree(dev);
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}
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return 0;
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}
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if(strncmp(argv[1], "inf", 3) == 0)
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{
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int b, d;
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if(argc == 2)
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{
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for(b = 0; b < USB_MAX_BUS; b++)
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{
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for(d = 0; d < USB_MAX_DEVICE; d++)
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{
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dev = usb_get_dev_index(d, b);
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if(dev == NULL)
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break;
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if(!d)
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info("USB controller %d:\r\n\n", b);
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usb_display_desc(dev);
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usb_display_config(dev);
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}
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}
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return 0;
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}
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else
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{
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int d;
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i = strtoul(argv[2], NULL, 16);
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info("config for device %d\r\n", i);
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for(d = 0; d < USB_MAX_DEVICE; d++)
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{
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dev = usb_get_dev_index(d, 0);
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if(dev == NULL)
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break;
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if(dev->devnum == i)
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break;
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}
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if(dev == NULL)
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{
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info("*** NO Device avaiable ***\r\n");
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return 0;
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}
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else
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{
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usb_display_desc(dev);
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usb_display_config(dev);
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}
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}
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return 0;
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}
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#ifdef CONFIG_USB_STORAGE
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if(strncmp(argv[1], "stor", 4) == 0)
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return usb_stor_info();
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if(strcmp(argv[1], "read") == 0)
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{
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if(usb_stor_curr_dev < 0)
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{
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info("no current device selected\r\n");
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return 1;
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}
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if(argc == 5)
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{
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unsigned long addr = strtoul(argv[2], NULL, 16);
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unsigned long blk = strtoul(argv[3], NULL, 16);
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unsigned long cnt = strtoul(argv[4], NULL, 16);
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unsigned long n;
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info("\r\nUSB read: device %d block # %ld, count %ld ... ", usb_stor_curr_dev, blk, cnt);
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stor_dev = usb_stor_get_dev(usb_stor_curr_dev);
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n = stor_dev->block_read(usb_stor_curr_dev, blk, cnt, (unsigned long *)addr);
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info("%ld blocks read: %s\r\n", n, (n == cnt) ? "OK" : "ERROR");
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if(n == cnt)
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return 0;
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return 1;
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}
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}
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if(strncmp(argv[1], "dev", 3) == 0)
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{
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if(argc == 3)
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{
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int dev = (int)strtoul(argv[2], NULL, 10);
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info("\r\nUSB device %d: ", dev);
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if(dev >= USB_MAX_STOR_DEV)
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{
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info("unknown device\r\n");
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return 1;
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}
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info("\r\n Device %d: ", dev);
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stor_dev = usb_stor_get_dev(dev);
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dev_print(stor_dev);
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if(stor_dev->type == DEV_TYPE_UNKNOWN)
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return 1;
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usb_stor_curr_dev = dev;
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info("... is now current device\r\n");
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return 0;
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}
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else
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{
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info("\r\nUSB device %d: ", usb_stor_curr_dev);
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stor_dev = usb_stor_get_dev(usb_stor_curr_dev);
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dev_print(stor_dev);
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if(stor_dev->type == DEV_TYPE_UNKNOWN)
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return 1;
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return 0;
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}
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return 0;
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}
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info(
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#ifdef RESET_START_STOP_CMDS
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"usb reset - reset (rescan) USB controller\r\n"
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"usb stop [f] - stop USB [f]=force stop\r\n"
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#endif
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"usb tree - show USB device tree\r\n"
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"usb info [dev] - show available USB devices\r\n"
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"usb storage - show details of USB storage devices\r\n"
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"usb dev [dev] - show or set current USB storage device\r\n"
|
|
"usb read addr blk# cnt - read `cnt' blocks starting at block `blk#'\r\n"
|
|
" to memory address `addr'\r\n");
|
|
#else /* !CONFIG_USB_STORAGE */
|
|
info(
|
|
#ifdef RESET_START_STOP_CMDS
|
|
"usb reset - reset (rescan) USB controller\r\n"
|
|
"usb stop [f] - stop USB [f]=force stop\r\n"
|
|
#endif
|
|
"usb tree - show USB device tree\r\n"
|
|
"usb info [dev] - show available USB devices\r\n");
|
|
#endif /* CONFIG_USB_STORAGE */
|
|
return 1;
|
|
}
|
|
|
|
#endif /* CONFIG_USB_UHCI || CONFIG_USB_OHCI || CONFIG_USB_EHCI */
|