forked for unsupported target
Dependents: stm32-disco-example DISCO-F469NI_BD_SD_Card_Control
Fork of USBHOST by
USBHost/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb1/src/common/usb1_host_dma.c
- Committer:
- frq08711@LMECWL0871.LME.ST.COM
- Date:
- 2017-02-15
- Revision:
- 1:ab240722d7ef
File content as of revision 1:ab240722d7ef:
/******************************************************************************* * 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 : usb1_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 "usb1_host.h" /* #include "usb1_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 usb1_host_dmaint(uint16_t fifo); static void usb1_host_dmaint_buf2fifo(uint16_t pipe); static void usb1_host_dmaint_fifo2buf(uint16_t pipe); /******************************************************************************* * Function Name: usb1_host_dma_stop_d0 * Description : D0FIFO DMA stop * Arguments : uint16_t pipe : pipe number * : uint32_t remain : transfer byte * Return Value : none *******************************************************************************/ void usb1_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(&USB201.D0FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC); if (dfacc == 2) { sds_b = 32; } else if (dfacc == 1) { sds_b = 16; } else { if (g_usb1_host_DmaInfo[USB_HOST_D0FIFO].size == 2) { sds_b = 4; } else if (g_usb1_host_DmaInfo[USB_HOST_D0FIFO].size == 1) { sds_b = 2; } else { sds_b = 1; } } if (RZA_IO_RegRead_16(&g_usb1_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1) { if (g_usb1_host_pipe_status[pipe] != USB_HOST_PIPE_DONE) { buffer = USB201.D0FIFOCTR; dtln = (buffer & USB_HOST_BITDTLN); if ((dtln % sds_b) != 0) { remain += (sds_b - (dtln % sds_b)); } g_usb1_host_PipeDataSize[pipe] = (g_usb1_host_data_count[pipe] - remain); g_usb1_host_data_count[pipe] = remain; } } RZA_IO_RegWrite_16(&USB201.D0FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE); } /******************************************************************************* * Function Name: usb1_host_dma_stop_d1 * Description : D1FIFO DMA stop * Arguments : uint16_t pipe : pipe number * : uint32_t remain : transfer byte * Return Value : none *******************************************************************************/ void usb1_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(&USB201.D1FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC); if (dfacc == 2) { sds_b = 32; } else if (dfacc == 1) { sds_b = 16; } else { if (g_usb1_host_DmaInfo[USB_HOST_D1FIFO].size == 2) { sds_b = 4; } else if (g_usb1_host_DmaInfo[USB_HOST_D1FIFO].size == 1) { sds_b = 2; } else { sds_b = 1; } } if (RZA_IO_RegRead_16(&g_usb1_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1) { if (g_usb1_host_pipe_status[pipe] != USB_HOST_PIPE_DONE) { buffer = USB201.D1FIFOCTR; dtln = (buffer & USB_HOST_BITDTLN); if ((dtln % sds_b) != 0) { remain += (sds_b - (dtln % sds_b)); } g_usb1_host_PipeDataSize[pipe] = (g_usb1_host_data_count[pipe] - remain); g_usb1_host_data_count[pipe] = remain; } } RZA_IO_RegWrite_16(&USB201.D1FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE); } /******************************************************************************* * Function Name: usb1_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 usb1_host_dma_interrupt_d0fifo (uint32_t int_sense) { usb1_host_dmaint(USB_HOST_D0FIFO); g_usb1_host_DmaStatus[USB_HOST_D0FIFO] = USB_HOST_DMA_READY; } /******************************************************************************* * Function Name: usb1_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 usb1_host_dma_interrupt_d1fifo (uint32_t int_sense) { usb1_host_dmaint(USB_HOST_D1FIFO); g_usb1_host_DmaStatus[USB_HOST_D1FIFO] = USB_HOST_DMA_READY; } /******************************************************************************* * Function Name: usb1_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 usb1_host_dmaint (uint16_t fifo) { uint16_t pipe; pipe = g_usb1_host_DmaPipe[fifo]; if (g_usb1_host_DmaInfo[fifo].dir == USB_HOST_BUF2FIFO) { usb1_host_dmaint_buf2fifo(pipe); } else { usb1_host_dmaint_fifo2buf(pipe); } } /******************************************************************************* * Function Name: usb1_host_dmaint_fifo2buf * Description : Executes read completion from FIFO by DMAC. * Arguments : uint16_t pipe : pipe number * Return Value : none *******************************************************************************/ static void usb1_host_dmaint_fifo2buf (uint16_t pipe) { uint32_t remain; uint16_t useport; if (g_usb1_host_pipe_status[pipe] != USB_HOST_PIPE_DONE) { useport = (uint16_t)(g_usb1_host_PipeTbl[pipe] & USB_HOST_FIFO_USE); if (useport == USB_HOST_D0FIFO_DMA) { remain = Userdef_USB_usb1_host_stop_dma0(); usb1_host_dma_stop_d0(pipe, remain); if (RZA_IO_RegRead_16(&g_usb1_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) { if (g_usb1_host_DmaStatus[USB_HOST_D0FIFO] == USB_HOST_DMA_BUSYEND) { USB201.D0FIFOCTR = USB_HOST_BITBCLR; g_usb1_host_pipe_status[pipe] = USB_HOST_PIPE_DONE; } else { usb1_host_enable_brdy_int(pipe); } } } else { remain = Userdef_USB_usb1_host_stop_dma1(); usb1_host_dma_stop_d1(pipe, remain); if (RZA_IO_RegRead_16(&g_usb1_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) { if (g_usb1_host_DmaStatus[USB_HOST_D1FIFO] == USB_HOST_DMA_BUSYEND) { USB201.D1FIFOCTR = USB_HOST_BITBCLR; g_usb1_host_pipe_status[pipe] = USB_HOST_PIPE_DONE; } else { usb1_host_enable_brdy_int(pipe); } } } } } /******************************************************************************* * Function Name: usb1_host_dmaint_buf2fifo * Description : Executes write completion in FIFO by DMAC. * Arguments : uint16_t pipe : pipe number * Return Value : none *******************************************************************************/ static void usb1_host_dmaint_buf2fifo (uint16_t pipe) { uint16_t useport; uint32_t remain; useport = (uint16_t)(g_usb1_host_PipeTbl[pipe] & USB_HOST_FIFO_USE); if (useport == USB_HOST_D0FIFO_DMA) { remain = Userdef_USB_usb1_host_stop_dma0(); usb1_host_dma_stop_d0(pipe, remain); if (g_usb1_host_DmaBval[USB_HOST_D0FIFO] != 0) { RZA_IO_RegWrite_16(&USB201.D0FIFOCTR, 1, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL); } } else { remain = Userdef_USB_usb1_host_stop_dma1(); usb1_host_dma_stop_d1(pipe, remain); if (g_usb1_host_DmaBval[USB_HOST_D1FIFO] != 0) { RZA_IO_RegWrite_16(&USB201.D1FIFOCTR, 1, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL); } } usb1_host_enable_bemp_int(pipe); } /* End of File */