usb.c

MTK平台绝密核心代码之 USB驱动

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *    usb.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This file implements usb1.1 driver
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/
#include "drv_comm.h"
#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h"       /* Task message communiction */
#include "syscomp_config.h"
#include "task_config.h"
#include "stacklib.h"
#include "reg_base.h"
#include "drvsignals.h"
  
#include "app_buff_alloc.h"
#include "drvpdn.h"
#include "intrCtrl.h"
#include "gpio_sw.h"

#include "usb_comm.h"
#include "usb_drv.h"
#include "usb.h"
#include "usb_resource.h"
#include "usbms_drv.h"
#include "usbacm_drv.h"
#include "usbvideo_drv.h"
#include "usb_custom.h"

#include "fs_type.h"
#include "fs_func.h"

#ifdef __OTG_ENABLE__
#include "otg_drv.h"
#endif

#ifdef __MULTI_BOOT__
#include "multiboot_config.h"
#include "fctycomp_config.h"
#endif /* __MULTI_BOOT__ */

/* Device structure, handle usb level data */
Usb_Device gUsbDevice;

kal_uint8    g_usb_reset_times; /*  for debug information */

/* static fuctions */
static void USB_Reset(void);
static void USB_Initialize(void);
static kal_bool USB_Cmd_SetAddress(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static kal_bool USB_Cmd_GetDescriptor(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static kal_bool USB_Cmd_SetConfiguration(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static kal_bool USB_Cmd_GetConfiguration(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static kal_bool USB_Cmd_SetFeature(Usb_Command *pcmd, kal_bool bset);
static kal_bool USB_Cmd_GetStatus(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static void USB_Stdcmd(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static void USB_Endpoint0_Idle (void);
static void USB_Endpoint0_Rx(void);
static void USB_Endpoint0_Tx(void);
static void USB_Endpoint0_Hdlr(void);


/************************************************************
	gUsbDevice initialize and release functions
*************************************************************/

/* initialize the  global variable gUsbDevice */
void USB_Init_Device_Status(void)
{
	kal_uint8 index = 0;

	kal_mem_set(&gUsbDevice.cfg_info, 0, sizeof(Usb_Config_Info));
 
	for( index = 0; index < USB_MAX_INTERFACE; index++)
	{
		kal_mem_set(&gUsbDevice.if_info[index], 0, sizeof(Usb_Interface_Info));
	}
	for( index = 0; index < USB_MAX_EP_BULK_IN; index++)
	{
		kal_mem_set(&gUsbDevice.ep_bulkin_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_EP_BULK_OUT; index++)
	{
		kal_mem_set(&gUsbDevice.ep_bulkout_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_EP_INTR; index++)
	{
		kal_mem_set(&gUsbDevice.ep_intr_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_STRING; index++)
	{
		gUsbDevice.resource_string[index] = NULL;
	}
	gUsbDevice.conf = NULL;
	gUsbDevice.device_type = USB_UNKOWN;
	gUsbDevice.nDevState = DEVSTATE_DEFAULT;
	gUsbDevice.remoteWk = KAL_FALSE;
	gUsbDevice.self_powered = KAL_FALSE;
	gUsbDevice.config_num = 0;
	gUsbDevice.interface_num = 0;
	gUsbDevice.ep0_rx_handler = NULL;
	gUsbDevice.ep0_class_cmd_handler.b_enable = KAL_FALSE;

   	gUsbDevice.resource_ep_bulkin_number = 0;		
   	gUsbDevice.resource_ep_bulkout_number = 0;		
   	gUsbDevice.resource_ep_intr_number = 0;
   	gUsbDevice.resource_interface_number = 0;
   	gUsbDevice.resource_string_number = 0; 
}


/* release the already get memory, and reset some parameter,
    note that hisr should not be reset to NULL since it may already be created*/
void USB_Release_Device_Status(void)
{
	kal_uint8 index = 0;

	kal_mem_set(&gUsbDevice.cfg_info, 0, sizeof(Usb_Config_Info));
	
	for( index = 0; index < USB_MAX_INTERFACE; index++)
	{
		kal_mem_set(&gUsbDevice.if_info[index], 0, sizeof(Usb_Interface_Info));
	}
	for( index = 0; index < USB_MAX_EP_BULK_IN; index++)
	{
		kal_mem_set(&gUsbDevice.ep_bulkin_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_EP_BULK_OUT; index++)
	{
		kal_mem_set(&gUsbDevice.ep_bulkout_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_EP_INTR; index++)
	{
		kal_mem_set(&gUsbDevice.ep_intr_info[index], 0, sizeof(Usb_Ep_Info));
	}
	for( index = 0; index < USB_MAX_STRING; index++)
	{
		gUsbDevice.resource_string[index] = NULL;
	}
	if(gUsbDevice.conf != NULL)
		free_ctrl_buffer(gUsbDevice.conf);
	gUsbDevice.conf = NULL;
	
	gUsbDevice.nDevState = DEVSTATE_DEFAULT;
	gUsbDevice.remoteWk = KAL_FALSE;
	gUsbDevice.self_powered = KAL_FALSE;
	gUsbDevice.config_num = 0;
	gUsbDevice.interface_num = 0;
	gUsbDevice.device_type = USB_UNKOWN;
	gUsbDevice.ep0_rx_handler = NULL;
	gUsbDevice.ep0_class_cmd_handler.b_enable = KAL_FALSE;

	gUsbDevice.resource_ep_bulkin_number = 0;		
   	gUsbDevice.resource_ep_bulkout_number = 0;		
   	gUsbDevice.resource_ep_intr_number = 0;
   	gUsbDevice.resource_interface_number = 0;
   	gUsbDevice.resource_string_number = 0; 
}



/************************************************************
	EP0 functions
*************************************************************/

/* register EP0 rx OUT token data handler */
void USB_Register_EP0_RxHdlr(usb_ep0_rx_ptr handler)
{
	gUsbDevice.ep0_rx_handler = handler;