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X-TOUCH to djay bridge
Dependencies: mbed mbed-rtos FATFileSystem
Diff: USBHost/targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb0/src/common/usb0_host_dma.c
- Revision:
- 1:0dac72ab5910
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb0/src/common/usb0_host_dma.c Wed Jun 05 04:54:37 2019 +0000
@@ -0,0 +1,355 @@
+/*******************************************************************************
+* 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 */