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📄 usb_drv.c

📁 8032底层驱动部分。因为可以移植 所以单独来拿出来
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/*****************************************************************************
*  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_drv.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *  This file implements usb hardware related functions
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *============================================================================
 ****************************************************************************/

#include "drv_comm.h"
#include "reg_base.h"
  
#include "drvpdn.h"
#include "intrCtrl.h"
#include "drv_hisr.h"
#include "gpio_sw.h"
#include "dma_hw.h"
#include "dma_sw.h"
#include "upll_ctrl.h"

#include "usb_hw.h"
#include "usb_drv.h"
#include "usb_drv_pri.h"
#include "usb_custom.h"

#include "otg_drv.h"

#ifdef _USB_VBUS_DETECT_WITH_NIRQ_
#include "isrentry.h"
#include "gpio_hw.h"
#include "gpio_sw.h"
#include "gpt_sw.h"
#endif

/* usb pdn owner */
static kal_uint8 g_usb_pdn_owner = 0;

#ifdef DCM_ENABLE
/* DCM default handle */
static kal_uint8 g_usb_dcm_handle = 255;
#endif

#ifdef __USB_ENABLE__

/* Exception flag*/
extern kal_uint8 INT_Exception_Enter;

#ifndef __OTG_ENABLE__
/* interrupt handler */
static void USB_LISR(void);
#endif

/* usb driver information*/
static USB_Drv_Info g_UsbDrvInfo;

/* static functions*/
static void USB_DMA_Callback_EP1(void);
#ifdef USB_SUPPORT_MUTIPLE_APP
static void USB_DMA_Callback_EP2(void);
#endif /*  USB_SUPPORT_MUTIPLE_APP */

#ifdef _USB_VBUS_DETECT_WITH_NIRQ_
static void USB_NIRQ_Timer_Callback(void *data);
static void USB_NIRQ_HISR(void);
#endif

/************************************************************
	driver info functions
*************************************************************/

/* initialize usb driver information*/
void USB_Init_Drv_Info(void)
{
	kal_uint32 index;
	
	g_UsbDrvInfo.power_state = USB_STATE_NORMAL;
	g_UsbDrvInfo.is_unMaskUSB = KAL_TRUE;
	g_UsbDrvInfo.is_ProUSBHISR = KAL_FALSE;
	g_UsbDrvInfo.reset_hdlr = NULL;
	g_UsbDrvInfo.ep0_hdlr = NULL;
	for(index=0; index< MAX_INTR_EP_NUM; index++)
	{
		g_UsbDrvInfo.ep_in_hdlr[index] = NULL;
		g_UsbDrvInfo.ep_out_hdlr[index] = NULL;
		g_UsbDrvInfo.ep_in_stall_status[index] = KAL_FALSE;
		g_UsbDrvInfo.ep_out_stall_status[index] = KAL_FALSE;
	}
	for(index=0; index<MAX_DMA_EP_NUM; index++)
	{
		g_UsbDrvInfo.dma_port[index] = 0;
		g_UsbDrvInfo.dma_pktrdy[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_running[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_callback_upd_run[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_callback[index] = KAL_FALSE;
#if ( defined(MT6228) || defined(MT6229) || defined(MT6230))
		g_UsbDrvInfo.dma_pktlength[index] = 0;
#endif
	}
#if ( defined(MT6228) || defined(MT6229) || defined(MT6230))
	/* dma and fast mode sequence parametes */
	g_UsbDrvInfo.dma_tx_ep = 0;
	g_UsbDrvInfo.dma_res_tx_ep = 0;
	g_UsbDrvInfo.fast_mode_tx_ep = 0;

	/* BDT */
	WRITE_EP0_BDT(USB_BDT_RX, USB_BDT_EVEN, (USB_BDT_PTR)USB_BDT_RX0_EVEN);
	WRITE_EP0_BDT(USB_BDT_RX, USB_BDT_ODD, (USB_BDT_PTR)USB_BDT_RX0_ODD);
	WRITE_EP0_BDT(USB_BDT_TX, USB_BDT_EVEN, (USB_BDT_PTR)USB_BDT_TX0_EVEN);
	WRITE_EP0_BDT(USB_BDT_TX, USB_BDT_ODD, (USB_BDT_PTR)USB_BDT_TX0_ODD);
	WRITE_EPN_BDT(1, USB_BDT_RX, (USB_BDT_PTR)USB_BDT_RX1);
	WRITE_EPN_BDT(1, USB_BDT_TX, (USB_BDT_PTR)USB_BDT_TX1);
	WRITE_EPN_BDT(2, USB_BDT_RX, (USB_BDT_PTR)USB_BDT_RX2);
	WRITE_EPN_BDT(2, USB_BDT_TX, (USB_BDT_PTR)USB_BDT_TX2);
	WRITE_EPN_BDT(3, USB_BDT_RX, (USB_BDT_PTR)USB_BDT_RX3);
	WRITE_EPN_BDT(3, USB_BDT_TX, (USB_BDT_PTR)USB_BDT_TX3);

	/* EP0 parametes */
	g_UsbDrvInfo.ep0_rx_even_odd = 0;
	g_UsbDrvInfo.ep0_tx_even_odd = 0;
	g_UsbDrvInfo.ep0_current_dir = 0;
	g_UsbDrvInfo.ep0_tx_data01 = 0;
	g_UsbDrvInfo.ep0_transaction_type = USB_EP0_TRANS_NONE;

	/* EPn parametes */
	for(index=0; index< MAX_INTR_EP_NUM; index++)
	{
		g_UsbDrvInfo.ep_in_enb_state[index] = USB_EP_DIS;
		g_UsbDrvInfo.ep_out_enb_state[index] = USB_EP_DIS;
		g_UsbDrvInfo.ep_in_max_data_size[index] = 0;
		g_UsbDrvInfo.ep_out_max_data_size[index] = 0;
		g_UsbDrvInfo.ep_in_data01[index] = 0;
		g_UsbDrvInfo.ep_out_data01[index] = 0;
	}
#endif	
}

void USB_ResetDrv_Info(void)
{
	kal_uint32 index;
	kal_uint32 savedMask;
	
	g_UsbDrvInfo.power_state = USB_STATE_NORMAL;
	g_UsbDrvInfo.is_unMaskUSB = KAL_TRUE;
	g_UsbDrvInfo.is_ProUSBHISR = KAL_FALSE;

	for(index=0; index< MAX_INTR_EP_NUM; index++)
	{
		g_UsbDrvInfo.ep_in_stall_status[index] = KAL_FALSE;
		g_UsbDrvInfo.ep_out_stall_status[index] = KAL_FALSE;
	}

	for(index=0; index<MAX_DMA_EP_NUM; index++)
	{
		if(g_UsbDrvInfo.dma_port[index]!=0)
		{
			if (DMA_CheckRunStat(g_UsbDrvInfo.dma_port[index]))
			{
				DMA_Stop(g_UsbDrvInfo.dma_port[index]);
			}
	
			savedMask = SaveAndSetIRQMask();
			if (DMA_CheckITStat(g_UsbDrvInfo.dma_port[index]))  /* check if interrupt is pending and waiting for service */
			{	
				DMA_ACKI(g_UsbDrvInfo.dma_port[index]);
				IRQClearInt(IRQ_DMA_CODE);
			}
			RestoreIRQMask(savedMask);	
		}	
		g_UsbDrvInfo.dma_pktrdy[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_running[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_callback_upd_run[index] = KAL_FALSE;
		g_UsbDrvInfo.dma_callback[index] = KAL_FALSE;
#if ( defined(MT6228) || defined(MT6229) || defined(MT6230))
		g_UsbDrvInfo.dma_pktlength[index] = 0;
#endif
	}

#if ( defined(MT6228) || defined(MT6229) || defined(MT6230))
	/* dma and fast mode sequence parametes */
	g_UsbDrvInfo.dma_tx_ep = 0;
	g_UsbDrvInfo.dma_res_tx_ep = 0;
	g_UsbDrvInfo.fast_mode_tx_ep = 0;

	/* EP0 parametes */
	g_UsbDrvInfo.ep0_rx_even_odd = 0;
	g_UsbDrvInfo.ep0_tx_even_odd = 0;
	g_UsbDrvInfo.ep0_current_dir = 0;
	g_UsbDrvInfo.ep0_tx_data01 = 0;
	g_UsbDrvInfo.ep0_transaction_type = USB_EP0_TRANS_NONE;

	/* EPn parametes */
	for(index=0; index< MAX_INTR_EP_NUM; index++)
	{
		g_UsbDrvInfo.ep_in_enb_state[index] = USB_EP_DIS;
		g_UsbDrvInfo.ep_out_enb_state[index] = USB_EP_DIS;
		g_UsbDrvInfo.ep_in_max_data_size[index] = 0;
		g_UsbDrvInfo.ep_out_max_data_size[index] = 0;
		g_UsbDrvInfo.ep_in_data01[index] = 0;
		g_UsbDrvInfo.ep_out_data01[index] = 0;
	}	
#endif	
}

/* register interrupt handler*/
void USB_Register_Drv_Info(USB_DRV_HDLR_TYPE type, kal_uint32 ep_num, usb_drv_intr_handler_ptr hdlr)
{
	if(ep_num > MAX_INTR_EP_NUM)
		EXT_ASSERT(0, ep_num, MAX_INTR_EP_NUM, 0);
	
	switch(type)
	{
	case USB_DRV_HDLR_RESET:
		g_UsbDrvInfo.reset_hdlr = hdlr;
		break;
	case USB_DRV_HDLR_EP0:
		g_UsbDrvInfo.ep0_hdlr = hdlr;
		break;
	case USB_DRV_HDLR_EP_IN:
		g_UsbDrvInfo.ep_in_hdlr[ep_num-1]= hdlr;
		break;
	case USB_DRV_HDLR_EP_OUT:
		g_UsbDrvInfo.ep_out_hdlr[ep_num-1]= hdlr;
		break;	
	}
}

/* set unmask variable to control if unmask USB interruput when leaving USB HISR*/
void USB_Set_UnMask_Irq(kal_bool set)
{
	g_UsbDrvInfo.is_unMaskUSB = set;
}

/* get the irq status */
kal_bool USB_Get_UnMask_Irq(void)
{
	return g_UsbDrvInfo.is_unMaskUSB;
}

/* get variable about if USB HISR has chance to execute at the current time */
kal_bool USB_Get_Pro_USB_HISR(void)
{
	return g_UsbDrvInfo.is_ProUSBHISR;
}

/* get stall status for endpoint */
kal_bool USB_Get_EP_Stall_Status(kal_uint8 ep_num, USB_EP_TYPE type)
{
	if(ep_num > MAX_INTR_EP_NUM)
		EXT_ASSERT(0, ep_num, MAX_INTR_EP_NUM, 0);
	
	if(type == USB_IN_EP_TYPE)
	{
		return g_UsbDrvInfo.ep_in_stall_status[ep_num-1];
	}
	else
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