diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_dma.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_dma.c | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_dma.c b/tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_dma.c new file mode 100644 index 0000000000..57e6e5a084 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_dma.c @@ -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 */ |