usb_task.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_task.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This file implements usb task
 *
 * 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 "eint.h" 
#include "kal_release.h"	

#include "usb_comm.h"
#include "usb_drv.h"
#include "usb.h"
#include "usb_resource.h"
#include "usbms_utils.h"
#include "usbms_drv.h"
#include "usbms_state.h"
#include "usb_msdisk.h"
#include "usbacm_drv.h"
#include "usbacm_ft.h"
#ifdef __DSPIRDBG__
#include "usbacm_dsp.h"
#endif
#ifdef WEBCAM_SUPPORT
#include "usbvideo_if.h"
#include "usbvideo_drv.h"
#include "usbvideo_state.h"
#endif
#ifdef __OTG_ENABLE__
#include "otg_drv.h"
#include "otg.h"
#include "usbd.h"
#include "usb_host_default_drv.h"
#include "usb_host_ms_state.h"
#include "gpio_sw.h"
#endif
#include "usb_mode.h"
#include "usb_task.h"
#include "usb_custom.h"

#include "app_buff_alloc.h"
#include "nvram.h"
#include "nvram_interface.h"
#include "nvram_user_defs.h"

#ifdef MT6318
#include "pmic6318_sw.h"
#endif

#include "fat_fs.h"
#include "rtfiles.h"

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

/************************************************************
        extern  functions
*************************************************************/
/* function to get buffer for usb boot mode*/
extern void *kal_tmp_mem_alloc(kal_uint32 size);
/* get eint number*/
extern kal_uint8 custom_eint_get_channel(eint_channel_type type);
/* init eint */
extern void clear_ext_intr_init(kal_uint8 eint_no);
/* get USB boot mode */
extern kal_bool INT_USBBoot(void);
/* modify external interrupt debiunce time */
extern kal_int32 EINT_SW_Debounce_Modify(kal_uint8 eintno, kal_uint8 debounce_time);
/* On EVB board, there may be no PMIC. */
extern void BMT_sendMes2UEM(BMT_CHR_STAT status);
/* get target boot mode */
extern kal_uint16 INT_BootMode(void);

/************************************************************
        local  functions
*************************************************************/
void USB_EINT_HISR(void);
static kal_bool usb_task_init(task_indx_type task_indx);
static kal_bool usb_task_reset(task_indx_type task_indx);
static kal_bool usb_task_end(task_indx_type task_indx);
static void usb_task_main( task_entry_struct * task_entry_ptr );
static void USB_Store_Serial_Value(ilm_struct *lim_ptr);
static kal_uint16 USB_Convert_String(kal_uint8 val);
static void USB_Constrct_Serial_String(kal_uint8 *pdu_ptr, kal_uint16 len);

static kal_uint8 g_usb_cable_state;
static kal_uint8 g_usb_eint_no;

//#ifdef __OTG_ENABLE__
//static kal_uint8 *eint_sw_debounce_time_delay;
//#endif


/*************************************************************************
* FUNCTION                                                            
*	usb_create
*
* DESCRIPTION                                                           
*	This function implements xyz entity's create handler.
*
* PARAMETERS
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*