//<MStar Software>
//******************************************************************************
// MStar Software
// Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
// All software, firmware and related documentation herein ("MStar Software") are
// intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by
// law, including, but not limited to, copyright law and international treaties.
// Any use, modification, reproduction, retransmission, or republication of all 
// or part of MStar Software is expressly prohibited, unless prior written 
// permission has been granted by MStar. 
//
// By accessing, browsing and/or using MStar Software, you acknowledge that you
// have read, understood, and agree, to be bound by below terms ("Terms") and to
// comply with all applicable laws and regulations:
//
// 1. MStar shall retain any and all right, ownership and interest to MStar
//    Software and any modification/derivatives thereof.
//    No right, ownership, or interest to MStar Software and any
//    modification/derivatives thereof is transferred to you under Terms.
//
// 2. You understand that MStar Software might include, incorporate or be
//    supplied together with third party`s software and the use of MStar
//    Software may require additional licenses from third parties.  
//    Therefore, you hereby agree it is your sole responsibility to separately
//    obtain any and all third party right and license necessary for your use of
//    such third party`s software. 
//
// 3. MStar Software and any modification/derivatives thereof shall be deemed as
//    MStar`s confidential information and you agree to keep MStar`s 
//    confidential information in strictest confidence and not disclose to any
//    third party.  
//
// 4. MStar Software is provided on an "AS IS" basis without warranties of any
//    kind. Any warranties are hereby expressly disclaimed by MStar, including
//    without limitation, any warranties of merchantability, non-infringement of
//    intellectual property rights, fitness for a particular purpose, error free
//    and in conformity with any international standard.  You agree to waive any
//    claim against MStar for any loss, damage, cost or expense that you may
//    incur related to your use of MStar Software.
//    In no event shall MStar be liable for any direct, indirect, incidental or
//    consequential damages, including without limitation, lost of profit or
//    revenues, lost or damage of data, and unauthorized system use.
//    You agree that this Section 4 shall still apply without being affected
//    even if MStar Software has been modified by MStar in accordance with your
//    request or instruction for your use, except otherwise agreed by both
//    parties in writing.
//
// 5. If requested, MStar may from time to time provide technical supports or
//    services in relation with MStar Software to you for your use of
//    MStar Software in conjunction with your or your customer`s product
//    ("Services").
//    You understand and agree that, except otherwise agreed by both parties in
//    writing, Services are provided on an "AS IS" basis and the warranty
//    disclaimer set forth in Section 4 above shall apply.  
//
// 6. Nothing contained herein shall be construed as by implication, estoppels
//    or otherwise:
//    (a) conferring any license or right to use MStar name, trademark, service
//        mark, symbol or any other identification;
//    (b) obligating MStar or any of its affiliates to furnish any person,
//        including without limitation, you and your customers, any assistance
//        of any kind whatsoever, or any information; or 
//    (c) conferring any license or right under any intellectual property right.
//
// 7. These terms shall be governed by and construed in accordance with the laws
//    of Taiwan, R.O.C., excluding its conflict of law rules.
//    Any and all dispute arising out hereof or related hereto shall be finally
//    settled by arbitration referred to the Chinese Arbitration Association,
//    Taipei in accordance with the ROC Arbitration Law and the Arbitration
//    Rules of the Association by three (3) arbitrators appointed in accordance
//    with the said Rules.
//    The place of arbitration shall be in Taipei, Taiwan and the language shall
//    be English.  
//    The arbitration award shall be final and binding to both parties.
//
//******************************************************************************
//<MStar Software>

#include <MsCommon.h>
#include  "include/drvConfig.h"
#include  "include/drvCompiler.h"
#include  "include/drvErrno.h"
#include  "include/drvPorts.h"
#include  "include/drvPCIMEM.h"
#include "include/drvTimer.h"
#include "include/drvKernel.h"

#if 1


#ifdef CONFIG_USB_DEBUG
  #define DEBUG
#else
  #undef DEBUG
#endif

// USB related header files
#include "include/drvUSB.h"
#include "drvHCD.h"



void hcd_buffer_destroy (struct usb_hcd *hcd);


static const size_t  pool_max [HCD_BUFFER_POOLS] = {
  32,
  64,
  128,
  512,
  PAGE_SIZE / 2
};

int hcd_buffer_create (struct usb_hcd *hcd)
{
  char    name [16];
  int     i, size;

  for (i = 0; i < HCD_BUFFER_POOLS; i++) {
    if (!(size = pool_max [i]))
      continue;
    USB_sprintf(name, /*sizeof(name),*/ "buffer-%d", size);
    hcd->pool [i] = pci_pool_create (name, hcd->pdev,
        size, size, 0);
    if (!hcd->pool [i]) {
      hcd_buffer_destroy (hcd);
      return -ENOMEM;
    }
  }
  return 0;
}

void hcd_buffer_destroy (struct usb_hcd *hcd)
{
  int    i;

  for (i = 0; i < HCD_BUFFER_POOLS; i++) {
    struct pci_pool    *pool = hcd->pool [i];
    if (pool) {
      pci_pool_destroy (pool);
      hcd->pool [i] = 0;
    }
  }
}

void *hcd_buffer_alloc (
  struct usb_bus     *bus,
  size_t      size,
  int      mem_flags,
  dma_addr_t    *dma
)
{
  struct usb_hcd    *hcd = (struct usb_hcd*) bus->hcpriv;
  int       i;

  for (i = 0; i < HCD_BUFFER_POOLS; i++) {
    if (size <= pool_max [i])
      return pci_pool_alloc (hcd->pool [i], mem_flags, dma);
  }
  return ncmem_alloc_page(dma);
}

void hcd_buffer_free (
  struct usb_bus     *bus,
  size_t      size,
  void       *addr,
  dma_addr_t    dma
)
{
  struct usb_hcd    *hcd = (struct usb_hcd*) bus->hcpriv;
  int       i;

  for (i = 0; i < HCD_BUFFER_POOLS; i++) {
    if (size <= pool_max [i]) {
      pci_pool_free (hcd->pool [i], addr, dma);
      return;
    }
  }
  ncmem_free_page((U32)addr);
}
#endif	//#ifdef