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Minor status cleanup

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2553 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-03-24 02:21:49 +00:00
parent e58266b8b2
commit bfe8ad2d17
1 changed files with 92 additions and 39 deletions
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131
arch/arm/src/sam3u/sam3u_hsmci.c
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@ -120,42 +120,95 @@
/* DMA CCR register settings */
#define HSMCI_RXDMA32_CONFIG (CONFIG_HSMCI_DMAPRIO|DMA_CCR_MSIZE_32BITS|\
DMA_CCR_PSIZE_32BITS|DMA_CCR_MINC)
#define HSMCI_TXDMA32_CONFIG (CONFIG_HSMCI_DMAPRIO|DMA_CCR_MSIZE_32BITS|\
DMA_CCR_PSIZE_32BITS|DMA_CCR_MINC|DMA_CCR_DIR)
#define HSMCI_RXDMA32_CONFIG \
( CONFIG_HSMCI_DMAPRIO | DMA_CCR_MSIZE_32BITS | DMA_CCR_PSIZE_32BITS | DMA_CCR_MINC)
#define HSMCI_TXDMA32_CONFIG \
( CONFIG_HSMCI_DMAPRIO | DMA_CCR_MSIZE_32BITS | DMA_CCR_PSIZE_32BITS | DMA_CCR_MINC | DMA_CCR_DIR)
/* FIFO sizes */
#define HSMCI_HALFFIFO_WORDS (8)
#define HSMCI_HALFFIFO_BYTES (8*4)
/* Data transfer interrupt mask bits */
/* Status errors:
*
* HSMCI_INT_UNRE Data transmit underrun
* HSMCI_INT_OVRE Data receive overrun
* HSMCI_INT_BLKOVRE DMA receive block overrun error
* HSMCI_INT_CSTOE Completion signal time-out error (see HSMCI_CSTOR)
* HSMCI_INT_DTOE Data time-out error (see HSMCI_DTOR)
* HSMCI_INT_DCRCE Data CRC Error
* HSMCI_INT_RTOE Response Time-out
* HSMCI_INT_RENDE Response End Bit Error
* HSMCI_INT_RCRCE Response CRC Error
* HSMCI_INT_RDIRE Response Direction Error
* HSMCI_INT_RINDE Response Index Error
*/
#define HSMCI_RECV_IER (HSMCI_INT_DCRCE|HSMCI_INT_DTOE|\
HSMCI_INT_BLKE|HSMCI_INT_OVRE|\
HSMCI_INT_RXFIFOHF|HSMCI_INT_RENDE)
#define HSMCI_SEND_IER (HSMCI_INT_DCRCE|HSMCI_INT_DTOE|\
HSMCI_INT_BLKE|HSMCI_INT_UNRE|\
HSMCI_INT_TXFIFOHE|HSMCI_INT_RENDE)
#define HSMCI_DMARECV_IER (HSMCI_INT_DCRCE|HSMCI_INT_DTOE|\
HSMCI_INT_BLKE|HSMCI_INT_OVRE|\
HSMCI_INT_RENDE)
#define HSMCI_DMASEND_IER (HSMCI_INT_DCRCE|HSMCI_INT_DTOE|\
HSMCI_INT_BLKE|HSMCI_INT_UNRE|\
HSMCI_INT_RENDE)
#define HSMCI_STATUS_ERRORS \
( HSMCI_INT_UNRE | HSMCI_INT_OVRE | HSMCI_INT_BLKOVRE | HSMCI_INT_CSTOE | \
HSMCI_INT_DTOE | HSMCI_INT_DCRCE | HSMCI_INT_RTOE | HSMCI_INT_RENDE | \
HSMCI_INT_RCRCE | HSMCI_INT_RDIRE | HSMCI_INT_RINDE )
/* Response errors:
*
* HSMCI_INT_CSTOE Completion signal time-out error (see HSMCI_CSTOR)
* HSMCI_INT_RTOE Response Time-out
* HSMCI_INT_RENDE Response End Bit Error
* HSMCI_INT_RCRCE Response CRC Error
* HSMCI_INT_RDIRE Response Direction Error
* HSMCI_INT_RINDE Response Index Error
*/
#define HSMCI_RESPONSE_ERRORS \
( HSMCI_INT_CSTOE | HSMCI_INT_RTOE | HSMCI_INT_RENDE | HSMCI_INT_RCRCE | \
HSMCI_INT_RDIRE | HSMCI_INT_RINDE )
/* Data transfer errors:
*
* HSMCI_INT_UNRE Data transmit underrun
* HSMCI_INT_OVRE Data receive overrun
* HSMCI_INT_BLKOVRE DMA receive block overrun error
* HSMCI_INT_CSTOE Completion signal time-out error (see HSMCI_CSTOR)
* HSMCI_INT_DTOE Data time-out error (see HSMCI_DTOR)
* HSMCI_INT_DCRCE Data CRC Error
*/
#define HSMCI_DATA_ERRORS \
( HSMCI_INT_UNRE | HSMCI_INT_OVRE | HSMCI_INT_BLKOVRE | HSMCI_INT_CSTOE | \
HSMCI_INT_DTOE | HSMCI_INT_DCRCE )
#define HSMCI_DATA_RECV_ERRORS \
( HSMCI_INT_OVRE | HSMCI_INT_CSTOE | HSMCI_INT_DTOE | HSMCI_INT_DCRCE )
#define HSMCI_DATA_DMARECV_ERRORS \
( HSMCI_INT_OVRE | HSMCI_INT_BLKOVRE | HSMCI_INT_CSTOE | HSMCI_INT_DTOE | \
HSMCI_INT_DCRCE )
#define HSMCI_DATA_SEND_ERRORS \
( HSMCI_INT_UNRE | HSMCI_INT_CSTOE | HSMCI_INT_DTOE | HSMCI_INT_DCRCE )
#define HSMCI_DATA_DMASEND_ERRORS \
( HSMCI_INT_UNRE | HSMCI_INT_CSTOE | HSMCI_INT_DTOE | HSMCI_INT_DCRCE )
/* Data transfer status and interrupt mask bits */
#define HSMCI_RECV_INTS \
( HSMCI_DATA_RECV_ERRORS | HSMCI_INT_XFRDONE )
#define HSMCI_SEND_INTS \
( HSMCI_DATA_SEND_ERROR | HSMCI_INT_XFRDONE )
#define HSMCI_DMARECV_INTS \
( HSMCI_DATA_DMARECV_ERRORS | HSMCI_INT_XFRDONE | HSMCI_INT_DMADONE )
#define HSMCI_DMASEND_INTS \
( HSMCI_DATA_DMASEND_ERRORS | HSMCI_INT_XFRDONE | HSMCI_INT_DMADONE )
/* Event waiting interrupt mask bits */
#define HSMCI_CMDDONE_SR (HSMCI_INT_CMDRDY)
#define HSMCI_RESPDONE_SR (HSMCI_INT_RTOE|HSMCI_INT_RCRCE|\
HSMCI_INT_CMDREND)
#define HSMCI_XFRDONE_SR (0)
#define HSMCI_CMDDONE_IER (HSMCI_INT_CMDRDY)
#define HSMCI_RESPDONE_IER (HSMCI_INT_RCRCE|HSMCI_INT_RTOE|\
HSMCI_INT_CMDREND)
#define HSMCI_XFRDONE_IER (0)
#define HSMCI_CMDDONE_INTS \
( HSMCI_INT_CMDRDY )
#define HSMCI_RESPONSE_INTS \
( HSMCI_RESPONSE_ERRORS | HSMCI_INT_CMDREND )
#define HSMCI_XFRDONE_INTS (0)
/* Register logging support */
@ -1126,7 +1179,7 @@ static int sam3u_interrupt(int irq, void *context)
/* Loop while there are pending interrupts. Check the HSMCI status
* register. Mask out all bits that don't correspond to enabled
* interrupts. (This depends on the fact that bits are ordered
* the same in both the SR and MASK register). If there are non-zero
* the same in both the SR and IMR registers). If there are non-zero
* bits remaining, then we have work to do here.
*/
@ -1246,7 +1299,7 @@ static int sam3u_interrupt(int irq, void *context)
{
/* Is this a response completion event? */
if ((pending & HSMCI_RESPDONE_SR) != 0)
if ((pending & HSMCI_RESPONSE_INTS) != 0)
{
/* Yes.. Is their a thread waiting for response done? */
@ -1260,7 +1313,7 @@ static int sam3u_interrupt(int irq, void *context)
/* Is this a command completion event? */
if ((pending & HSMCI_CMDDONE_SR) != 0)
if ((pending & HSMCI_CMDDONE_INTS) != 0)
{
/* Yes.. Is their a thread waiting for command done? */
@ -1624,7 +1677,7 @@ static int sam3u_recvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
/* And enable interrupts */
sam3u_enablexfrints(priv, HSMCI_RECV_IER);
sam3u_enablexfrints(priv, HSMCI_RECV_INTS);
sam3u_sample(priv, SAMPLENDX_AFTER_SETUP);
return OK;
}
@ -1678,7 +1731,7 @@ static int sam3u_sendsetup(FAR struct sdio_dev_s *dev, FAR const uint8_t *buffer
/* Enable TX interrrupts */
sam3u_enablexfrints(priv, HSMCI_SEND_IER);
sam3u_enablexfrints(priv, HSMCI_SEND_INTS);
sam3u_sample(priv, SAMPLENDX_AFTER_SETUP);
return OK;
}
@ -1760,7 +1813,7 @@ static int sam3u_waitresponse(FAR struct sdio_dev_s *dev, uint32_t cmd)
switch (cmd & MMCSD_RESPONSE_MASK)
{
case MMCSD_NO_RESPONSE:
events = HSMCI_CMDDONE_SR;
events = HSMCI_CMDDONE_INTS;
timeout = HSMCI_CMDTIMEOUT;
break;
@ -1768,7 +1821,7 @@ static int sam3u_waitresponse(FAR struct sdio_dev_s *dev, uint32_t cmd)
case MMCSD_R1B_RESPONSE:
case MMCSD_R2_RESPONSE:
case MMCSD_R6_RESPONSE:
events = HSMCI_RESPDONE_SR;
events = HSMCI_RESPONSE_INTS;
timeout = HSMCI_LONGTIMEOUT;
break;
@ -1778,7 +1831,7 @@ static int sam3u_waitresponse(FAR struct sdio_dev_s *dev, uint32_t cmd)
case MMCSD_R3_RESPONSE:
case MMCSD_R7_RESPONSE:
events = HSMCI_RESPDONE_SR;
events = HSMCI_RESPONSE_INTS;
timeout = HSMCI_CMDTIMEOUT;
break;
@ -2057,17 +2110,17 @@ static void sam3u_waitenable(FAR struct sdio_dev_s *dev,
waitmask = 0;
if ((eventset & SDIOWAIT_CMDDONE) != 0)
{
waitmask |= HSMCI_CMDDONE_IER;
waitmask |= HSMCI_CMDDONE_INTS;
}
if ((eventset & SDIOWAIT_RESPONSEDONE) != 0)
{
waitmask |= HSMCI_RESPDONE_IER;
waitmask |= HSMCI_RESPONSE_INTS;
}
if ((eventset & SDIOWAIT_TRANSFERDONE) != 0)
{
waitmask |= HSMCI_XFRDONE_IER;
waitmask |= HSMCI_XFRDONE_INTS;
}
/* Enable event-related interrupts */
@ -2318,7 +2371,7 @@ static int sam3u_dmarecvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
/* Configure the RX DMA */
sam3u_enablexfrints(priv, HSMCI_DMARECV_IER);
sam3u_enablexfrints(priv, HSMCI_DMARECV_INTS);
putreg32(1, HSMCI_DCTRL_DMAEN_BB);
sam3u_dmasetup(priv->dma, SAM3U_HSMCI_FIFO, (uint32_t)buffer,
@ -2402,7 +2455,7 @@ static int sam3u_dmasendsetup(FAR struct sdio_dev_s *dev,
/* Enable TX interrrupts */
sam3u_enablexfrints(priv, HSMCI_DMASEND_IER);
sam3u_enablexfrints(priv, HSMCI_DMASEND_INTS);
ret = OK;
}