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Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/libraries/libchip/source/hsmci.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/atsam/libraries/libchip/source/hsmci.c | 569 |
1 files changed, 0 insertions, 569 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/hsmci.c b/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/hsmci.c deleted file mode 100644 index f6a88bacb4..0000000000 --- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/hsmci.c +++ /dev/null @@ -1,569 +0,0 @@ -/* ---------------------------------------------------------------------------- */ -/* Atmel Microcontroller Software Support */ -/* SAM Software Package License */ -/* ---------------------------------------------------------------------------- */ -/* Copyright (c) 2015, Atmel Corporation */ -/* */ -/* All rights reserved. */ -/* */ -/* Redistribution and use in source and binary forms, with or without */ -/* modification, are permitted provided that the following condition is met: */ -/* */ -/* - Redistributions of source code must retain the above copyright notice, */ -/* this list of conditions and the disclaimer below. */ -/* */ -/* Atmel's name may not be used to endorse or promote products derived from */ -/* this software without specific prior written permission. */ -/* */ -/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ -/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ -/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ -/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ -/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ -/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ -/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ -/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ -/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* ---------------------------------------------------------------------------- */ - -/** \file - * - * Implementation of High Speed MultiMedia Card Interface (HSMCI) controller. - */ - -/*--------------------------------------------------------------------------- - * Headers - *---------------------------------------------------------------------------*/ - -#include "chip.h" -#include <assert.h> - -/*--------------------------------------------------------------------------- - * Exported functions - *---------------------------------------------------------------------------*/ - -/** \addtogroup hsmci_functions - *@{ - */ - -/** - * \brief Enable Multi-Media Interface - * - * \param pRMci Pointer to a Hsmci instance - */ -extern void HSMCI_Enable(Hsmci *pRMci) -{ - pRMci->HSMCI_CR = HSMCI_CR_MCIEN; -} - -/** - * \brief Disable Multi-Media Interface - * - * \param pRMci Pointer to a Hsmci instance - */ -extern void HSMCI_Disable(Hsmci *pRMci) -{ - pRMci->HSMCI_CR = HSMCI_CR_MCIDIS; - -} - -/** - * \brief Reset (& Disable) Multi-Media Interface - * - * \param mci Pointer to a Hsmci instance - * \param bBackup Backup registers values to keep previous settings, including - * _MR, _SDCR, _DTOR, _CSTOR, _DMA and _CFG. - */ -extern void HSMCI_Reset(Hsmci *pRMci, uint8_t bBackup) -{ - if (bBackup) { - uint32_t mr = pRMci->HSMCI_MR; - uint32_t dtor = pRMci->HSMCI_DTOR; - uint32_t sdcr = pRMci->HSMCI_SDCR; - uint32_t cstor = pRMci->HSMCI_CSTOR; - uint32_t dma = pRMci->HSMCI_DMA; - uint32_t cfg = pRMci->HSMCI_CFG; - - pRMci->HSMCI_CR = HSMCI_CR_SWRST; - - pRMci->HSMCI_MR = mr; - pRMci->HSMCI_DTOR = dtor; - pRMci->HSMCI_SDCR = sdcr; - pRMci->HSMCI_CSTOR = cstor; - pRMci->HSMCI_DMA = dma; - pRMci->HSMCI_CFG = cfg; - } else - pRMci->HSMCI_CR = HSMCI_CR_SWRST; -} - -/** - * \brief Select slot - * \param pRMci Pointer to a Hsmci instance - * \param bSlot Slot ID (0~3 for A~D). - */ -extern void HSMCI_Select(Hsmci *pRMci, uint8_t bSlot, uint8_t bBusWidth) -{ - uint32_t dwSdcr; - dwSdcr = (HSMCI_SDCR_SDCSEL_Msk & bSlot); - - switch (bBusWidth) { - case 1: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_1; - break; - - case 4: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_4; - break; - - case 8: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_8; - break; - } -} - -/** - * \brief Set slot - * \param pRMci Pointer to a Hsmci instance - * \param bSlot Slot ID (0~3 for A~D). - */ -extern void HSMCI_SetSlot(Hsmci *pRMci, uint8_t bSlot) -{ - uint32_t dwSdcr = pRMci->HSMCI_SDCR & ~HSMCI_SDCR_SDCSEL_Msk; - pRMci->HSMCI_SDCR = dwSdcr | (HSMCI_SDCR_SDCSEL_Msk & bSlot); -} - -/** - * \brief Set bus width of MCI - * \param pRMci Pointer to a Hsmci instance - * \param bBusWidth 1,4 or 8 (bits). - */ -extern void HSMCI_SetBusWidth(Hsmci *pRMci, uint8_t bBusWidth) -{ - uint32_t dwSdcr = pRMci->HSMCI_SDCR & ~HSMCI_SDCR_SDCBUS_Msk; - - switch (bBusWidth) { - case 1: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_1; - break; - - case 4: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_4; - break; - - case 8: - pRMci->HSMCI_SDCR = dwSdcr | HSMCI_SDCR_SDCBUS_8; - break; - } -} - -/** - * \brief Return bus width setting. - * - * \param pRMci Pointer to an MCI instance. - * \return 1, 4 or 8. - */ -extern uint8_t HSMCI_GetBusWidth(Hsmci *pRMci) -{ - switch (pRMci->HSMCI_SDCR & HSMCI_SDCR_SDCBUS_Msk) { - case HSMCI_SDCR_SDCBUS_1: return 1; - - case HSMCI_SDCR_SDCBUS_4: return 4; - - case HSMCI_SDCR_SDCBUS_8: return 8; - } - - return 0; -} - -/** - * \brief Configures a MCI peripheral as specified. - * - * \param pRMci Pointer to an MCI instance. - * \param dwMode Value of the MCI Mode register. - */ -extern void HSMCI_ConfigureMode(Hsmci *pRMci, uint32_t dwMode) -{ - pRMci->HSMCI_MR = dwMode; - -} - -/** - * \brief Return mode register - * \param pRMci Pointer to an MCI instance. - */ -extern uint32_t HSMCI_GetMode(Hsmci *pRMci) -{ - return pRMci->HSMCI_MR; -} - -/** - * \brief Enable/Disable R/W proof - * - * \param pRMci Pointer to an MCI instance. - * \param bRdProof Read proof enable/disable. - * \param bWrProof Write proof enable/disable. - */ -extern void HSMCI_ProofEnable(Hsmci *pRMci, uint8_t bRdProof, uint8_t bWrProof) -{ - uint32_t mr = pRMci->HSMCI_MR; - pRMci->HSMCI_MR = (mr & (~(HSMCI_MR_WRPROOF | HSMCI_MR_RDPROOF))) - | (bRdProof ? HSMCI_MR_RDPROOF : 0) - | (bWrProof ? HSMCI_MR_WRPROOF : 0) - ; -} - -/** - * \brief Padding value setting. - * - * \param pRMci Pointer to an MCI instance. - * \param bPadvEn Padding value 0xFF/0x00. - */ -extern void HSMCI_PadvCtl(Hsmci *pRMci, uint8_t bPadv) -{ - if (bPadv) - pRMci->HSMCI_MR |= HSMCI_MR_PADV; - else - pRMci->HSMCI_MR &= ~HSMCI_MR_PADV; -} - -/** - * \brief Force byte transfer enable/disable. - * - * \param pRMci Pointer to an MCI instance. - * \param bFByteEn FBYTE enable/disable. - */ -extern void HSMCI_FByteEnable(Hsmci *pRMci, uint8_t bFByteEn) -{ - if (bFByteEn) - pRMci->HSMCI_MR |= HSMCI_MR_FBYTE; - else - pRMci->HSMCI_MR &= ~HSMCI_MR_FBYTE; -} - -/** - * \brief Check if Force Byte mode enabled. - * - * \param pRMci Pointer to an MCI instance. - * \return 1 if _FBYTE is enabled. - */ -extern uint8_t HSMCI_IsFByteEnabled(Hsmci *pRMci) -{ - return ((pRMci->HSMCI_MR & HSMCI_MR_FBYTE) > 0); -} - -/** - * \brief Set Clock Divider & Power save divider for MCI. - * - * \param pRMci Pointer to an MCI instance. - * \param bClkDiv Clock Divider value (0 ~ 255). - * \param bPwsDiv Power Saving Divider (1 ~ 7). - */ -extern void HSMCI_DivCtrl(Hsmci *pRMci, uint32_t bClkDiv, uint8_t bPwsDiv) -{ - uint32_t mr = pRMci->HSMCI_MR; - uint32_t clkdiv , clkodd; - clkdiv = bClkDiv - 2; - clkodd = (bClkDiv & 1) ? HSMCI_MR_CLKODD : 0; - clkdiv = clkdiv >> 1; - - pRMci->HSMCI_MR = (mr & ~(HSMCI_MR_CLKDIV_Msk | HSMCI_MR_PWSDIV_Msk)) - | HSMCI_MR_CLKDIV(clkdiv) - | HSMCI_MR_PWSDIV(bPwsDiv) - | clkodd - ; -} - -/** - * \brief Enables one or more interrupt sources of MCI peripheral. - * - * \param pRMci Pointer to an Hsmci instance. - * \param sources Bitwise OR of selected interrupt sources. - */ -extern void HSMCI_EnableIt(Hsmci *pRMci, uint32_t dwSources) -{ - pRMci->HSMCI_IER = dwSources; -} - -/** - * \brief Disable one or more interrupt sources of MCI peripheral. - * - * \param pRMci Pointer to an Hsmci instance. - * \param sources Bitwise OR of selected interrupt sources. - */ -extern void HSMCI_DisableIt(Hsmci *pRMci, uint32_t dwSources) -{ - pRMci->HSMCI_IDR = dwSources; -} - -/** - * \brief Return the interrupt mask register. - * - * \param pRMci Pointer to an Hsmci instance. - * \return MCI interrupt mask register. - */ -extern uint32_t HSMCI_GetItMask(Hsmci *pRMci) -{ - return (pRMci->HSMCI_IMR); -} - -/** - * \brief Set block len & count for transfer - * - * \param pRMci Pointer to an Hsmci instance. - * \param wBlkLen Block size. - * \param wCnt Block(byte) count. - */ -extern void HSMCI_ConfigureTransfer(Hsmci *pRMci, - uint16_t wBlkLen, - uint16_t wCnt) -{ - pRMci->HSMCI_BLKR = (wBlkLen << 16) | wCnt; -} - -/** - * \brief Set block length - * - * Count is reset to 0. - * - * \param pRMci Pointer to an Hsmci instance. - * \param wBlkSize Block size. - */ -extern void HSMCI_SetBlockLen(Hsmci *pRMci, uint16_t wBlkSize) -{ - pRMci->HSMCI_BLKR = wBlkSize << 16; -} - -/** - * \brief Set block (byte) count - * - * \param pRMci Pointer to an Hsmci instance. - * \param wBlkCnt Block(byte) count. - */ -extern void HSMCI_SetBlockCount(Hsmci *pRMci, uint16_t wBlkCnt) -{ - pRMci->HSMCI_BLKR |= wBlkCnt; -} - -/** - * \brief Configure the Completion Signal Timeout - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwConfigure Completion Signal Timeout configure. - */ -extern void HSMCI_ConfigureCompletionTO(Hsmci *pRMci, uint32_t dwConfigure) -{ - pRMci->HSMCI_CSTOR = dwConfigure; -} - -/** - * \brief Configure the Data Timeout - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwConfigure Data Timeout configure. - */ -extern void HSMCI_ConfigureDataTO(Hsmci *pRMci, uint32_t dwConfigure) -{ - pRMci->HSMCI_DTOR = dwConfigure; -} - -/** - * \brief Send command - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwCmd Command register value. - * \param dwArg Argument register value. - */ -extern void HSMCI_SendCmd(Hsmci *pRMci, uint32_t dwCmd, uint32_t dwArg) -{ - pRMci->HSMCI_ARGR = dwArg; - pRMci->HSMCI_CMDR = dwCmd; -} - - -/** - * \brief Return the response register. - * - * \param pRMci Pointer to an Hsmci instance. - * \return MCI response register. - */ -extern uint32_t HSMCI_GetResponse(Hsmci *pRMci) -{ - return pRMci->HSMCI_RSPR[0]; -} - -/** - * \brief Return the receive data register. - * - * \param pRMci Pointer to an Hsmci instance. - * \return MCI receive data register. - */ -extern uint32_t HSMCI_Read(Hsmci *pRMci) -{ - return pRMci->HSMCI_RDR; -} - -/** - * \brief Read from FIFO - * - * \param pRMci Pointer to an Hsmci instance. - * \param pdwData Pointer to data buffer. - * \param dwSize Size of data buffer (in DWord). - */ -extern void HSMCI_ReadFifo(Hsmci *pRMci, uint8_t *pdwData, uint32_t dwSize) -{ - volatile uint32_t *pFIFO = (volatile uint32_t *)(pRMci->HSMCI_FIFO); - register uint32_t c4, c1; - - if (dwSize == 0) - return; - - c4 = dwSize >> 2; - c1 = dwSize & 0x3; - - for (; c4; c4 --) { - *pdwData ++ = *pFIFO ++; - *pdwData ++ = *pFIFO ++; - *pdwData ++ = *pFIFO ++; - *pdwData ++ = *pFIFO ++; - } - - for (; c1; c1 --) - *pdwData ++ = *pFIFO ++; -} - -/** - * \brief Sends data through MCI peripheral. - * - * \param pRMci Pointer to an Hsmci instance. - * \param - */ -extern void HSMCI_Write(Hsmci *pRMci, uint32_t dwData) -{ - pRMci->HSMCI_TDR = dwData; -} - -/** - * \brief Write to FIFO - * - * \param pRMci Pointer to an Hsmci instance. - * \param pdwData Pointer to data buffer. - * \param dwSize Size of data buffer (In DWord). - */ -extern void HSMCI_WriteFifo(Hsmci *pRMci, uint8_t *pdwData, uint32_t dwSize) -{ - volatile uint32_t *pFIFO = (volatile uint32_t *)(pRMci->HSMCI_FIFO); - register uint32_t c4, c1; - - if (dwSize == 0) - return; - - c4 = dwSize >> 2; - c1 = dwSize & 0x3; - - for (; c4; c4 --) { - *pFIFO ++ = *pdwData ++; - *pFIFO ++ = *pdwData ++; - *pFIFO ++ = *pdwData ++; - *pFIFO ++ = *pdwData ++; - } - - for (; c1; c1 --) - *pFIFO ++ = *pdwData ++; -} - -/** - * \brief Return the status register. - * - * \param pRMci Pointer to an Hsmci instance. - * \return MCI status register. - */ -extern uint32_t HSMCI_GetStatus(Hsmci *pRMci) -{ - return pRMci->HSMCI_SR; -} - -/** - * \brief Configure the HSMCI DMA - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwConfigure Configure value. - */ -extern void HSMCI_ConfigureDma(Hsmci *pRMci, uint32_t dwConfigure) -{ - pRMci->HSMCI_DMA = dwConfigure; -} - -/** - * \brief Enable the HSMCI DMA - * - * \param pRMci Pointer to an Hsmci instance. - * \param bEnable 1 to enable, 0 to disable. - */ -extern void HSMCI_EnableDma(Hsmci *pRMci, uint8_t bEnable) -{ - if (bEnable) { - pRMci->HSMCI_DMA |= HSMCI_DMA_DMAEN;//| HSMCI_DMA_CHKSIZE_32; - } else - pRMci->HSMCI_DMA &= ~HSMCI_DMA_DMAEN; -} - -/** - * \brief Configure the HSMCI - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwConfigure Configure value. - */ -extern void HSMCI_Configure(Hsmci *pRMci, uint32_t dwConfigure) -{ - pRMci->HSMCI_CFG = dwConfigure; -} - -/** - * \brief Enable/Disable High-Speed mode for MCI - * - * \param pRMci Pointer to an Hsmci instance. - * \param bHsEnable Enable/Disable high-speed. - */ -extern void HSMCI_HsEnable(Hsmci *pRMci, uint8_t bHsEnable) -{ - if (bHsEnable) - pRMci->HSMCI_CFG |= HSMCI_CFG_HSMODE; - else - pRMci->HSMCI_CFG &= ~HSMCI_CFG_HSMODE; -} - -/** - * \brief Check if High-speed mode is enabled on MCI - * \param pRMci Pointer to an Hsmci instance. - * \return 1 - */ -extern uint8_t HSMCI_IsHsEnabled(Hsmci *pRMci) -{ - return ((pRMci->HSMCI_CFG & HSMCI_CFG_HSMODE) > 0); -} - -/** - * \brief Configure the Write Protection Mode - * - * \param pRMci Pointer to an Hsmci instance. - * \param dwConfigure WP mode configure value. - */ -extern void HSMCI_ConfigureWP(Hsmci *pRMci, uint32_t dwConfigure) -{ - pRMci->HSMCI_WPMR = dwConfigure; -} - -/** - * \brief Return the write protect status register. - * - * \param pRMci Pointer to an Hsmci instance. - * \return MCI write protect status register. - */ -extern uint32_t HSMCI_GetWPStatus(Hsmci *pRMci) -{ - return pRMci->HSMCI_WPSR; -} - -/**@}*/ - |