usbimage_drv.c

mtk 6225平台的usb程序！ 对想了解mtk平台usb的朋友会有帮助！

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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   usbimage_drv.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *  This file implements usb IMAGE class driver
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include "drv_comm.h"
#include "reg_base.h"
#include "intrCtrl.h"
#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h"  
#include "app_buff_alloc.h"
#include "drvsignals.h"

#include "usb_comm.h"
#include "usb_drv.h"
#include "usb.h"
#include "usb_resource.h"

#include "usb_custom.h"
#include "usbimage_drv.h"
#include "ptp_state.h"

/*This will be removed when change back to media task*/
#include "custom_config.h"

/* static functions */
//static void	USB_Image_Rx_DMA_Callback(void);
static void	USB_Image_Tx_DMA_Callback(void);
static void 	USB_Image_Ep0_Cancel_Hdlr(void *data);
static void	USB_Image_Ep0_Command(Usb_Ep0_Status *pep0state, Usb_Command *pcmd);
static void	USB_Image_IntrIn_Reset(void);
static void	USB_Image_BulkIn_Reset(void);
static void	USB_Image_BulkOut_Reset(void);
static void	USB_Image_Cmd_Reset(void);
static void	USB_Image_IntrIn_Hdlr(void);
static void 	USB_Image_BulkOut_Hdr(void );

/************************************************************
	interface initialization functions
*************************************************************/
/* interface create function, prepare descriptor */
void USB_Image_If_Create(void *ifname)
{
	kal_uint8		ep_in_id;
	kal_uint8		ep_out_id;
	kal_uint8		ep_intr_id;			/* interrupt point*/
	kal_uint8		if_id;

	/* get resource number and register to gUsbDevice */
	g_USBImage.image_if_info = USB_Get_Interface_Number(&if_id);
	g_USBImage.image_ep_in_info = USB_Get_BulkIn_Ep(&ep_in_id);
	g_USBImage.image_ep_out_info = USB_Get_BulkOut_Ep(&ep_out_id);
	g_USBImage.image_ep_intr_info = USB_Get_Intr_Ep(&ep_intr_id); 			/* number is 3  */
	
	/* record interface name and interface descriptor length */
	g_USBImage.image_if_info->interface_name_ptr = (kal_char *)ifname;
	g_USBImage.image_if_info->ifdscr_size = USB_IFDSC_LENGTH;
	g_USBImage.image_ep_in_info->epdscr_size = USB_EPDSC_LENGTH;
	g_USBImage.image_ep_out_info->epdscr_size = USB_EPDSC_LENGTH;
	g_USBImage.image_ep_intr_info->epdscr_size = USB_EPDSC_LENGTH;

	/* related endpoint info and class specific command handler */
	g_USBImage.image_if_info->ep_info[0] = (Usb_Ep_Info*)g_USBImage.image_ep_in_info;
	g_USBImage.image_if_info->ep_info[1] = (Usb_Ep_Info*)g_USBImage.image_ep_out_info;
	g_USBImage.image_if_info->ep_info[2] = (Usb_Ep_Info*)g_USBImage.image_ep_intr_info;
	g_USBImage.image_if_info->if_class_specific_hdlr = USB_Image_Ep0_Command;

	/* standard interface descriptor */
	g_USBImage.image_if_info->ifdscr.stdif.bLength = USB_IFDSC_LENGTH;
	g_USBImage.image_if_info->ifdscr.stdif.bDescriptorType = USB_INTERFACE;
	g_USBImage.image_if_info->ifdscr.stdif.bInterfaceNumber = if_id;
	g_USBImage.image_if_info->ifdscr.stdif.bAlternateSetting = 0;
	g_USBImage.image_if_info->ifdscr.stdif.bNumEndpoints = USB_IMAGE_EP_NUMBER;
	g_USBImage.image_if_info->ifdscr.stdif.bInterfaceClass = USB_IMAGE_INTERFACE_CLASS_CODE;
	g_USBImage.image_if_info->ifdscr.stdif.bInterfaceSubClass = USB_IMAGE_INTERFACE_SUBCLASS_CODE;
	g_USBImage.image_if_info->ifdscr.stdif.bInterfaceProtocol = USB_IMAGE_INTERFACE_PROTOCOL_CODE;
	g_USBImage.image_if_info->ifdscr.stdif.iInterface = USB_Get_String_Number((void *)g_USBImage.image_param->image_interface_string); 

	/* endpoint handler */
	g_USBImage.image_ep_in_info->ep_reset = USB_Image_BulkIn_Reset;
	USB_Register_Drv_Info(USB_DRV_HDLR_EP_IN, ep_in_id, NULL);

	g_USBImage.image_ep_out_info->ep_reset = USB_Image_BulkOut_Reset;
	USB_Register_Drv_Info(USB_DRV_HDLR_EP_OUT, ep_out_id, USB_Image_BulkOut_Hdr);
	
	g_USBImage.image_ep_intr_info->ep_reset = USB_Image_IntrIn_Reset;
	USB_Register_Drv_Info(USB_DRV_HDLR_EP_IN, ep_intr_id, USB_Image_IntrIn_Hdlr);

	/* endpoint descriptor */
	g_USBImage.image_ep_in_info->epdesc.stdep.bLength = USB_EPDSC_LENGTH;
	g_USBImage.image_ep_in_info->epdesc.stdep.bDescriptorType = USB_ENDPOINT;
	g_USBImage.image_ep_in_info->epdesc.stdep.bEndpointAddress = (USB_EP_DIR_IN | ep_in_id);	/*InPipe*/
	g_USBImage.image_ep_in_info->epdesc.stdep.bmAttributes = USB_EP_BULK;
	g_USBImage.image_ep_in_info->epdesc.stdep.wMaxPacketSize[0] = USB_EP_BULK_MAXP&0xff;
	g_USBImage.image_ep_in_info->epdesc.stdep.wMaxPacketSize[1] = (USB_EP_BULK_MAXP>>8)&0xff;
	g_USBImage.image_ep_in_info->epdesc.stdep.bInterval = 0;
	g_USBImage.image_ep_in_info->ep_status.epin_status.byEP = ep_in_id;
	g_USBImage.image_ep_in_info->ep_status.epin_status.nBytesLeft = USB_EP_NODATA;
	
	g_USBImage.image_ep_out_info->epdesc.stdep.bLength = USB_EPDSC_LENGTH;
	g_USBImage.image_ep_out_info->epdesc.stdep.bDescriptorType = USB_ENDPOINT;
	g_USBImage.image_ep_out_info->epdesc.stdep.bEndpointAddress = (USB_EP_DIR_OUT | ep_out_id);	/*OutPipe*/
	g_USBImage.image_ep_out_info->epdesc.stdep.bmAttributes = USB_EP_BULK;
	g_USBImage.image_ep_out_info->epdesc.stdep.wMaxPacketSize[0] = USB_EP_BULK_MAXP&0xff;
	g_USBImage.image_ep_out_info->epdesc.stdep.wMaxPacketSize[1] = (USB_EP_BULK_MAXP>>8)&0xff;
	g_USBImage.image_ep_out_info->epdesc.stdep.bInterval = 0;
	g_USBImage.image_ep_out_info->ep_status.epout_status.byEP = ep_out_id;

	g_USBImage.image_ep_intr_info->epdesc.stdep.bLength = USB_EPDSC_LENGTH;
	g_USBImage.image_ep_intr_info->epdesc.stdep.bDescriptorType = USB_ENDPOINT;
	g_USBImage.image_ep_intr_info->epdesc.stdep.bEndpointAddress = (USB_EP_DIR_IN | ep_intr_id);	/*IntrPipe*/
	g_USBImage.image_ep_intr_info->epdesc.stdep.bmAttributes = USB_EP_INTR;
	g_USBImage.image_ep_intr_info->epdesc.stdep.wMaxPacketSize[0] = USB_EP_INTR_MAXP&0xff; 		/*HW-dependent*/
	g_USBImage.image_ep_intr_info->epdesc.stdep.wMaxPacketSize[1] = (USB_EP_INTR_MAXP>>8)&0xff; 
	g_USBImage.image_ep_intr_info->epdesc.stdep.bInterval = 1;
	g_USBImage.image_ep_intr_info->ep_status.epin_status.byEP = ep_intr_id;
	g_USBImage.image_ep_intr_info->ep_status.epin_status.nBytesLeft = USB_EP_NODATA;

	USB_Get_DMA_Channel(ep_in_id); 

	/* Prepare the DeviceInfo Dataset */
	g_USBImage.image_deviceinfo.StandardVersion = 100;
	g_USBImage.image_deviceinfo.VenderExtensionID[0] = 0;
	g_USBImage.image_deviceinfo.VenderExtensionID[1] = 0;
	g_USBImage.image_deviceinfo.VenderExtensionVersion = 0;
	g_USBImage.image_deviceinfo.VendorExtensionDesc = 0x00;	/* empty string */
	g_USBImage.image_deviceinfo.FunctionalMode[0] = PTP_STANDARD_MODE&0xff;
	g_USBImage.image_deviceinfo.FunctionalMode[1] = (PTP_STANDARD_MODE>>8)&0xff;

	g_USBImage.image_deviceinfo.OperationsSupportedSize[0] = PTP_MAX_OPERATION_CODE_SIZE&0xff;
	g_USBImage.image_deviceinfo.OperationsSupportedSize[1] = (PTP_MAX_OPERATION_CODE_SIZE>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupportedSize[2] = (PTP_MAX_OPERATION_CODE_SIZE>>16)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupportedSize[3] = (PTP_MAX_OPERATION_CODE_SIZE>>24)&0xff;
	
	g_USBImage.image_deviceinfo.OperationsSupported[0][0] = PTP_GET_DEVICE_INFO&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[0][1] = (PTP_GET_DEVICE_INFO>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[1][0] = PTP_OPEN_SESSION&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[1][1] = (PTP_OPEN_SESSION>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[2][0] = PTP_CLOSE_SESSION&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[2][1] = (PTP_CLOSE_SESSION>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[3][0] = PTP_GET_STORAGE_IDS&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[3][1] = (PTP_GET_STORAGE_IDS>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[4][0] = PTP_GET_STORAGE_INFO&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[4][1] = (PTP_GET_STORAGE_INFO>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[5][0] = PTP_GET_NUM_OBJECTS&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[5][1] = (PTP_GET_NUM_OBJECTS>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[6][0] = PTP_GET_OBJECT_HANDLES&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[6][1] = (PTP_GET_OBJECT_HANDLES>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[7][0] = PTP_GET_OBJECT_INFO&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[7][1] = (PTP_GET_OBJECT_INFO>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[8][0] = PTP_GET_OBJECT&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[8][1] = (PTP_GET_OBJECT>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[9][0] = PTP_GET_THUMB&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[9][1] = (PTP_GET_THUMB>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[10][0] = PTP_SEND_OBJECT_INFO&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[10][1] = (PTP_SEND_OBJECT_INFO>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[11][0] = PTP_SEND_OBJECT&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[11][1] = (PTP_SEND_OBJECT>>8)&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[12][0] = PTP_GET_PARTIAL_OBJECT&0xff;
	g_USBImage.image_deviceinfo.OperationsSupported[12][1] = (PTP_GET_PARTIAL_OBJECT>>8)&0xff;	

	g_USBImage.image_deviceinfo.EventsSupportedSize[0] = PTP_MAX_EVENT_CODE_SIZE&0xff;
	g_USBImage.image_deviceinfo.EventsSupportedSize[1] = (PTP_MAX_EVENT_CODE_SIZE>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupportedSize[2] = (PTP_MAX_EVENT_CODE_SIZE>>16)&0xff;
	g_USBImage.image_deviceinfo.EventsSupportedSize[3] = (PTP_MAX_EVENT_CODE_SIZE>>24)&0xff;

	g_USBImage.image_deviceinfo.EventsSupported[0][0] = PTP_CANCEL_TRANSACTION&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[0][1] = (PTP_CANCEL_TRANSACTION>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[1][0] = PTP_STORE_ADDED&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[1][1] = (PTP_STORE_ADDED>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[2][0] = PTP_STORE_REMOVED&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[2][1] = (PTP_STORE_REMOVED>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[3][0] = PTP_OBJECT_ADDED&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[3][1] = (PTP_OBJECT_ADDED>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[4][0] = PTP_OBJECT_REMOVED&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[4][1] = (PTP_OBJECT_REMOVED>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[5][0] = PTP_OBJECT_INFO_CHAGNED&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[5][1] = (PTP_OBJECT_INFO_CHAGNED>>8)&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[6][0] = PTP_REQUEST_OBJECT_TRANSFER&0xff;
	g_USBImage.image_deviceinfo.EventsSupported[6][1] = (PTP_REQUEST_OBJECT_TRANSFER>>8)&0xff;

	g_USBImage.image_deviceinfo.DevicePropertiesSupportedSize[0] = 0;		/* empty array */
	g_USBImage.image_deviceinfo.DevicePropertiesSupportedSize[1] = 0;
	g_USBImage.image_deviceinfo.DevicePropertiesSupportedSize[2] = 0;
	g_USBImage.image_deviceinfo.DevicePropertiesSupportedSize[3] = 0;
	g_USBImage.image_deviceinfo.CaptureFormatsSize[0] = 0;				/* empty array */
	g_USBImage.image_deviceinfo.CaptureFormatsSize[1] = 0;
	g_USBImage.image_deviceinfo.CaptureFormatsSize[2] = 0;
	g_USBImage.image_deviceinfo.CaptureFormatsSize[3] = 0;
	g_USBImage.image_deviceinfo.ImageFormatsSize[0] = PTP_MAX_OBJECT_FORMAT_CODE_SIZE&0xff;
	g_USBImage.image_deviceinfo.ImageFormatsSize[1] = (PTP_MAX_OBJECT_FORMAT_CODE_SIZE>>8)&0xff;
	g_USBImage.image_deviceinfo.ImageFormatsSize[2] = (PTP_MAX_OBJECT_FORMAT_CODE_SIZE>>16)&0xff;
	g_USBImage.image_deviceinfo.ImageFormatsSize[3] = (PTP_MAX_OBJECT_FORMAT_CODE_SIZE>>24)&0xff;

	g_USBImage.image_deviceinfo.ImageFormats[0][0] = PTP_EXIF_JPEG&0xff;
	g_USBImage.image_deviceinfo.ImageFormats[0][1] = (PTP_EXIF_JPEG>>8)&0xff;
	g_USBImage.image_deviceinfo.ImageFormats[1][0] = PTP_TIFF_EP&0xff;
	g_USBImage.image_deviceinfo.ImageFormats[1][1] = (PTP_TIFF_EP>>8)&0xff;
	g_USBImage.image_deviceinfo.ImageFormats[2][0] = PTP_SCRIPT&0xff;
	g_USBImage.image_deviceinfo.ImageFormats[2][1] = (PTP_SCRIPT>>8)&0xff;

	/* Prepare the StorageInfo Dataset */
	g_USBImage.image_storageinfo.StorageType = PTP_FIXED_RAM;
	g_USBImage.image_storageinfo.FilesystemType = PTP_GENERIC_FLAT;
	g_USBImage.image_storageinfo.AccessCapability = PTP_READ_WRITE;
//	g_USBImage.image_storageinfo.FreeSpaceInImages[0] = 0x0034;
//	g_USBImage.image_storageinfo.FreeSpaceInImages[1] = 0x0000;
	g_USBImage.image_storageinfo.FreeSpaceInImages[0] = 0xffff;
	g_USBImage.image_storageinfo.FreeSpaceInImages[1] = 0xffff;

	/* Prepare the ObjectInfo Dataset */
	g_USBImage.image_objectinfo.ProtectionStatus = PTP_NO_PROTECTION;
	g_USBImage.image_objectinfo.ImageBitDepth[0] = 0;			/* no use */
	g_USBImage.image_objectinfo.ImageBitDepth[1]= 0;
	g_USBImage.image_objectinfo.ParentObject[0] = 0;
	g_USBImage.image_objectinfo.ParentObject[1] = 0;
	g_USBImage.image_objectinfo.AssociationType = 0;			/* no use */
	g_USBImage.image_objectinfo.AssociationDesc = 0;			/* no use */
	g_USBImage.image_objectinfo.SequenceNumber =	0;			/* no use */

	/* two never change assignments */
	g_USBImage.image_response.ContainerType = USB_IMAGE_RESPONSE_BLOCK;
	g_USBImage.image_event.ContainerType = USB_IMAGE_EVENT_BLOCK;
}

/* interface reset function, enable EP*/
void USB_Image_If_Reset(void)
{