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/*******************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only
* intended for use with Renesas products. No other uses are authorized. This
* software is owned by Renesas Electronics Corporation and is protected under
* all applicable laws, including copyright laws.
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* Renesas reserves the right, without notice, to make changes to this software
* and to discontinue the availability of this software. By using this software,
* you agree to the additional terms and conditions found by accessing the
* following link:
* http://www.renesas.com/disclaimer
* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
*******************************************************************************/
/*******************************************************************************
* File Name : usb0_host_dma.c
* $Rev: 1116 $
* $Date:: 2014-07-09 16:29:19 +0900#$
* Device(s) : RZ/A1H
* Tool-Chain :
* OS : None
* H/W Platform :
* Description : RZ/A1H R7S72100 USB Sample Program
* Operation :
* Limitations :
*******************************************************************************/
/*******************************************************************************
Includes <System Includes> , "Project Includes"
*******************************************************************************/
#include "usb0_host.h"
/* #include "usb0_host_dmacdrv.h" */
/*******************************************************************************
Typedef definitions
*******************************************************************************/
/*******************************************************************************
Macro definitions
*******************************************************************************/
/*******************************************************************************
Imported global variables and functions (from other files)
*******************************************************************************/
/*******************************************************************************
Exported global variables and functions (to be accessed by other files)
*******************************************************************************/
/*******************************************************************************
Private global variables and functions
*******************************************************************************/
static void usb0_host_dmaint(uint16_t fifo);
static void usb0_host_dmaint_buf2fifo(uint16_t pipe);
static void usb0_host_dmaint_fifo2buf(uint16_t pipe);
/*******************************************************************************
* Function Name: usb0_host_dma_stop_d0
* Description : D0FIFO DMA stop
* Arguments : uint16_t pipe : pipe number
* : uint32_t remain : transfer byte
* Return Value : none
*******************************************************************************/
void usb0_host_dma_stop_d0 (uint16_t pipe, uint32_t remain)
{
uint16_t dtln;
uint16_t dfacc;
uint16_t buffer;
uint16_t sds_b = 1;
dfacc = RZA_IO_RegRead_16(&USB200.D0FBCFG,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
if (dfacc == 2)
{
sds_b = 32;
}
else if (dfacc == 1)
{
sds_b = 16;
}
else
{
if (g_usb0_host_DmaInfo[USB_HOST_D0FIFO].size == 2)
{
sds_b = 4;
}
else if (g_usb0_host_DmaInfo[USB_HOST_D0FIFO].size == 1)
{
sds_b = 2;
}
else
{
sds_b = 1;
}
}
if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
if (g_usb0_host_pipe_status[pipe] != USB_HOST_PIPE_DONE)
{
buffer = USB200.D0FIFOCTR;
dtln = (buffer & USB_HOST_BITDTLN);
if ((dtln % sds_b) != 0)
{
remain += (sds_b - (dtln % sds_b));
}
g_usb0_host_PipeDataSize[pipe] = (g_usb0_host_data_count[pipe] - remain);
g_usb0_host_data_count[pipe] = remain;
}
}
RZA_IO_RegWrite_16(&USB200.D0FIFOSEL,
0,
USB_DnFIFOSEL_DREQE_SHIFT,
USB_DnFIFOSEL_DREQE);
}
/*******************************************************************************
* Function Name: usb0_host_dma_stop_d1
* Description : D1FIFO DMA stop
* Arguments : uint16_t pipe : pipe number
* : uint32_t remain : transfer byte
* Return Value : none
*******************************************************************************/
void usb0_host_dma_stop_d1 (uint16_t pipe, uint32_t remain)
{
uint16_t dtln;
uint16_t dfacc;
uint16_t buffer;
uint16_t sds_b = 1;
dfacc = RZA_IO_RegRead_16(&USB200.D1FBCFG,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
if (dfacc == 2)
{
sds_b = 32;
}
else if (dfacc == 1)
{
sds_b = 16;
}
else
{
if (g_usb0_host_DmaInfo[USB_HOST_D1FIFO].size == 2)
{
sds_b = 4;
}
else if (g_usb0_host_DmaInfo[USB_HOST_D1FIFO].size == 1)
{
sds_b = 2;
}
else
{
sds_b = 1;
}
}
if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
if (g_usb0_host_pipe_status[pipe] != USB_HOST_PIPE_DONE)
{
buffer = USB200.D1FIFOCTR;
dtln = (buffer & USB_HOST_BITDTLN);
if ((dtln % sds_b) != 0)
{
remain += (sds_b - (dtln % sds_b));
}
g_usb0_host_PipeDataSize[pipe] = (g_usb0_host_data_count[pipe] - remain);
g_usb0_host_data_count[pipe] = remain;
}
}
RZA_IO_RegWrite_16(&USB200.D1FIFOSEL,
0,
USB_DnFIFOSEL_DREQE_SHIFT,
USB_DnFIFOSEL_DREQE);
}
/*******************************************************************************
* Function Name: usb0_host_dma_interrupt_d0fifo
* Description : This function is DMA interrupt handler entry.
* : Execute usb1_host_dmaint() after disabling DMA interrupt in this function.
* : Disable DMA interrupt to DMAC executed when USB_HOST_D0FIFO_DMA is
* : specified by dma->fifo.
* : Register this function as DMA complete interrupt.
* Arguments : uint32_t int_sense ; Interrupts detection mode
* : ; INTC_LEVEL_SENSITIVE : Level sense
* : ; INTC_EDGE_TRIGGER : Edge trigger
* Return Value : none
*******************************************************************************/
void usb0_host_dma_interrupt_d0fifo (uint32_t int_sense)
{
usb0_host_dmaint(USB_HOST_D0FIFO);
g_usb0_host_DmaStatus[USB_HOST_D0FIFO] = USB_HOST_DMA_READY;
}
/*******************************************************************************
* Function Name: usb0_host_dma_interrupt_d1fifo
* Description : This function is DMA interrupt handler entry.
* : Execute usb0_host_dmaint() after disabling DMA interrupt in this function.
* : Disable DMA interrupt to DMAC executed when USB_HOST_D1FIFO_DMA is
* : specified by dma->fifo.
* : Register this function as DMA complete interrupt.
* Arguments : uint32_t int_sense ; Interrupts detection mode
* : ; INTC_LEVEL_SENSITIVE : Level sense
* : ; INTC_EDGE_TRIGGER : Edge trigger
* Return Value : none
*******************************************************************************/
void usb0_host_dma_interrupt_d1fifo (uint32_t int_sense)
{
usb0_host_dmaint(USB_HOST_D1FIFO);
g_usb0_host_DmaStatus[USB_HOST_D1FIFO] = USB_HOST_DMA_READY;
}
/*******************************************************************************
* Function Name: usb0_host_dmaint
* Description : This function is DMA transfer end interrupt
* Arguments : uint16_t fifo ; fifo number
* : ; USB_HOST_D0FIFO
* : ; USB_HOST_D1FIFO
* Return Value : none
*******************************************************************************/
static void usb0_host_dmaint (uint16_t fifo)
{
uint16_t pipe;
pipe = g_usb0_host_DmaPipe[fifo];
if (g_usb0_host_DmaInfo[fifo].dir == USB_HOST_BUF2FIFO)
{
usb0_host_dmaint_buf2fifo(pipe);
}
else
{
usb0_host_dmaint_fifo2buf(pipe);
}
}
/*******************************************************************************
* Function Name: usb0_host_dmaint_fifo2buf
* Description : Executes read completion from FIFO by DMAC.
* Arguments : uint16_t pipe : pipe number
* Return Value : none
*******************************************************************************/
static void usb0_host_dmaint_fifo2buf (uint16_t pipe)
{
uint32_t remain;
uint16_t useport;
if (g_usb0_host_pipe_status[pipe] != USB_HOST_PIPE_DONE)
{
useport = (uint16_t)(g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE);
if (useport == USB_HOST_D0FIFO_DMA)
{
remain = Userdef_USB_usb0_host_stop_dma0();
usb0_host_dma_stop_d0(pipe, remain);
if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
if (g_usb0_host_DmaStatus[USB_HOST_D0FIFO] == USB_HOST_DMA_BUSYEND)
{
USB200.D0FIFOCTR = USB_HOST_BITBCLR;
g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
}
else
{
usb0_host_enable_brdy_int(pipe);
}
}
}
else
{
remain = Userdef_USB_usb0_host_stop_dma1();
usb0_host_dma_stop_d1(pipe, remain);
if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
if (g_usb0_host_DmaStatus[USB_HOST_D1FIFO] == USB_HOST_DMA_BUSYEND)
{
USB200.D1FIFOCTR = USB_HOST_BITBCLR;
g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
}
else
{
usb0_host_enable_brdy_int(pipe);
}
}
}
}
}
/*******************************************************************************
* Function Name: usb0_host_dmaint_buf2fifo
* Description : Executes write completion in FIFO by DMAC.
* Arguments : uint16_t pipe : pipe number
* Return Value : none
*******************************************************************************/
static void usb0_host_dmaint_buf2fifo (uint16_t pipe)
{
uint16_t useport;
uint32_t remain;
useport = (uint16_t)(g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE);
if (useport == USB_HOST_D0FIFO_DMA)
{
remain = Userdef_USB_usb0_host_stop_dma0();
usb0_host_dma_stop_d0(pipe, remain);
if (g_usb0_host_DmaBval[USB_HOST_D0FIFO] != 0)
{
RZA_IO_RegWrite_16(&USB200.D0FIFOCTR,
1,
USB_DnFIFOCTR_BVAL_SHIFT,
USB_DnFIFOCTR_BVAL);
}
}
else
{
remain = Userdef_USB_usb0_host_stop_dma1();
usb0_host_dma_stop_d1(pipe, remain);
if (g_usb0_host_DmaBval[USB_HOST_D1FIFO] != 0)
{
RZA_IO_RegWrite_16(&USB200.D1FIFOCTR,
1,
USB_DnFIFOCTR_BVAL_SHIFT,
USB_DnFIFOCTR_BVAL);
}
}
usb0_host_enable_bemp_int(pipe);
}
/* End of File */
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