modules/drivers/common/dm9601/main.cc

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#include "pedigree/kernel/Log.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/new"
 
#include "Dm9601.h"
#include "modules/Module.h"
#include "modules/system/usb/UsbPnP.h"
 
class UsbDevice;
 
static struct {
  uint16_t vendor;
  uint16_t product;
} g_Devices[] = {
    {0x2630, 0x9601},  // Specification defines these for the chip
    {0x0fe6, 0x8101},  // Kontron product
};
 
#define NUM_DEVICES (sizeof(g_Devices) / sizeof(g_Devices[0]))
 
static UsbPnP::Registration g_Registrations[NUM_DEVICES];
 
static UsbDevice* dm9601Connected(UsbDevice* pDevice) {
  return new Dm9601(pDevice);
}
 
static bool entry() {
  for (size_t i = 0; i < NUM_DEVICES; i++) {
    if (!UsbPnP::instance().registerCallback(g_Devices[i].vendor, g_Devices[i].product,
                                             dm9601Connected, g_Registrations[i])) {
      while (i) {
        g_Registrations[--i].reset();
      }
      return false;
    }
  }
 
  return true;
}
 
static void exit() {
  for (size_t i = NUM_DEVICES; i; --i) {
    if (!g_Registrations[i - 1].reset())
      FATAL("DM9601 USB binding could not be retired");
  }
}
 
MODULE_INFO("dm9601", &entry, &exit, "usb", "network-stack");