int mmc_wait_command(SIM_HBA *hba)
{
SIM_MMC_EXT *ext;
struct _pulse pulse;
iov_t iov;
int rcvid, intr=0, retry=0;
ext = (SIM_MMC_EXT *)hba->ext;
SETIOV(&iov, &pulse, sizeof(pulse));
while (1) {
if ((rcvid = MsgReceivev(hba->chid, &iov, 1, NULL)) == -1)
continue;
intr = 0;
switch (pulse.code) {
case SIM_INTERRUPT:
intr=ext->interrupt(hba, hba->cfg.IRQRegisters[0], ext->resp_type, ext->mmc_resp);
InterruptUnmask(hba->cfg.IRQRegisters[0], hba->iid);
break;
case SIM_DMA_INTERRUPT:
intr=ext->interrupt(hba, hba->cfg.IRQRegisters[0], ext->resp_type, ext->mmc_resp);
if(hba->cfg.NumIRQs > 1) {
InterruptUnmask(hba->cfg.IRQRegisters[1], ext->iid);
}
break;
case SIM_TIMER:
// Only check media if card detection interrupt is not supported
if (!(ext->hccap & MMC_HCCAP_CD_INTR))
mmc_media_check(hba);
if(!(ext->eflags & MMC_EFLAG_INSERTED))
return MMC_FAILURE;
break;
default:
break;
}
if(intr & MMC_INTR_CARD){
mmc_media_check(hba);
return MMC_FAILURE;
}
if((intr & MMC_INTR_COMMAND) && !(intr & MMC_INTR_ERROR))
return MMC_SUCCESS;
if(retry++ >5)
return MMC_FAILURE;
}
return MMC_FAILURE;
}
int seromap_setpower(pmd_attr_t *pmd)
{
int ret = EOK;
pm_power_mode_t mode = PM_POWER_MODE(pmd->new_mode);
DEV_OMAP *dev = (DEV_OMAP *)pmd->data;
uintptr_t *port = dev->port;
if (pmd->cur_mode == pmd->new_mode && pmd->cur_flags == pmd->new_flags)
return (EOK);
InterruptMask(dev->intr, dev->iid);
switch (mode) {
case PM_MODE_ACTIVE: // Power UP
seromap_setsleep(port, 0, 0);
if (pmd->cur_mode != PM_MODE_IDLE)
seromap_enable(dev, 1);
break;
case PM_MODE_IDLE: // Idle mode : active + enable the sleep mode
if (pmd->cur_mode != PM_MODE_ACTIVE) {
seromap_setsleep(port, 0, 0); // Disable sleep mode first
seromap_enable(dev, 1); // Re-enable UART
}
seromap_setsleep(port, OMAP_IER_SLEEP, OMAP_SCR_WAKEUPEN);
break;
case PM_MODE_OFF: // Off
if (pmd->cur_mode != PM_MODE_STANDBY) {
if (pmd->cur_mode == PM_MODE_IDLE)
seromap_setsleep(port, 0, 0); // Disable sleep mode first
seromap_enable(dev, 0); // Disable UART
}
seromap_setsleep(port, OMAP_IER_SLEEP, 0); // Enable sleep mode, disable wakeup
break;
case PM_MODE_STANDBY:
if (pmd->cur_mode != PM_MODE_OFF) {
if (pmd->cur_mode == PM_MODE_IDLE)
seromap_setsleep(port, 0, 0); // Disable sleep mode first
seromap_enable(dev, 0); // Disable UART
}
seromap_setsleep(port, OMAP_IER_SLEEP, OMAP_SCR_WAKEUPEN);
break;
default:
// Unsupported Power Mode
ret = EINVAL;
break;
}
InterruptUnmask(dev->intr, dev->iid);
// Kick the driver to restart data transmission
if (mode == PM_MODE_IDLE || mode == PM_MODE_ACTIVE)
kick((TTYDEV *)dev);
// pmd_confirm(pmd, EOK);
return ret;
}
////////////////////////////////////////////////////
// 功能: 延迟N个豪秒
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
static void dma_start(unsigned int channel, unsigned int srcAddr, unsigned int dstAddr, unsigned int count, unsigned char mode)
{
#ifdef KPRINTF_DEF
kprintf("dma channle = %d\n",channel);
kprintf("source = %x, destion = %x, count = %x\n",srcAddr,dstAddr,count*16);
#endif
OUTREG32(A_DMA_DSA(channel), srcAddr); // DMA数据地址
OUTREG32(A_DMA_DTA(channel), dstAddr); // DMA目标地址
OUTREG32(A_DMA_DTC(channel), count / 16); // 传送DMA的数据组数，当前设置1组为16个数据
SETREG32(A_DMA_DCS(channel), DCS_CTE); // 开始DMA数据传送
//判断是否允许DMA中断
if( mode )
InterruptUnmask(IRQ_DMA_0 + channel, 0); // 允许DMA结束后，自动产生中断
}
void *InterruptTask::IntThread(void *arg){
static int interruptId;
struct sigevent event;
int s;
InterruptTask *taskInst;
taskInst = (InterruptTask *)arg;
event.sigev_notify = SIGEV_INTR;
interruptId = InterruptAttachEvent(taskInst->mIntNum, &event, 0);
while(1){
if(InterruptWait(0, NULL) == -1){
continue;
}
InterruptUnmask(taskInst->mIntNum, interruptId);
taskInst->mRunning = 1;
taskInst->IntTask();
taskInst->mRunning = 0;
}
}
int omap3530_wait(omap3530_spi_t *dev, int len)
{
struct _pulse pulse;
int rx_idx = dev->sdma_rx_chid;
while (1) {
if (len) {
uint64_t to = dev->dtime * 1000 * 50; /* 50 times for time out */
to *= len ;
TimerTimeout(CLOCK_REALTIME, _NTO_TIMEOUT_RECEIVE, NULL, &to, NULL);
}
if (MsgReceivePulse(dev->chid, &pulse, sizeof(pulse), NULL) == -1){
fprintf(stderr, "omap3530_wait: errono %s(%d), status %x\n", strerror(errno), errno, in32(dev->vbase+ OMAP3530_MCSPI_IRQ_STATUS_OFFSET));
return -1;
}
switch (pulse.code) {
case OMAP3530_SPI_EVENT:
return 0;
case OMAP3530_SDMA_EVENT:
{
/* Unmask the Interrupt */
InterruptUnmask(dev->irq_sdma+rx_idx, dev->iid_sdma);
if ((dev->dma4->channel[rx_idx].csr & DMA4_CSR_FRAME)){
/* clear interrupt status line 0 for transmit channel */
dev->dma4->channel[rx_idx].csr |= DMA4_CSR_FRAME;
return 0;
}else {
continue;
}
}
}
}
return 0;
}
static void *interrupt_thread( void *p )
{
int ret;
int intr;
int intr_id;
struct sigevent event;
struct _pulse pulse;
iov_t iov;
int rcvid;
int chid;
int coid;
int count;
uint64_t rdata;
uint16_t target;
uint64_t clk;
int pool_id;
intr = (int)p;
rdata = 0;
target = 512;
ret = ThreadCtl( _NTO_TCTL_IO, 0 );
if( ret != 0 )
{
slogf( _SLOGC_CHAR, _SLOG_CRITICAL,
"random: Unable to gain IO privs: %s",
strerror( errno ) );
return NULL;
}
chid = ChannelCreate( 0 );
if( chid == -1 )
{
slogf( _SLOGC_CHAR, _SLOG_CRITICAL,
"random: ChannelCreate() failed: %s",
strerror( errno ) );
return NULL;
}
coid = ConnectAttach( 0, 0, chid, _NTO_SIDE_CHANNEL, 0 );
if( coid == -1 )
{
slogf( _SLOGC_CHAR, _SLOG_CRITICAL,
"random: ConnectAttach() failed: %s",
strerror( errno ) );
return NULL;
}
ret = yarrow_add_source( Yarrow, &pool_id );
if( ret != 0 )
{
slogf( _SLOGC_CHAR, _SLOG_CRITICAL,
"random: Unable to get pool_id for interrupt %d thread.", intr );
return NULL;
}
event.sigev_notify = SIGEV_PULSE;
event.sigev_coid = coid;
event.sigev_code = 1;
event.sigev_priority = 15;
intr_id = InterruptAttachEvent( intr, &event, _NTO_INTR_FLAGS_TRK_MSK );
if( intr_id == -1 )
{
slogf( _SLOGC_CHAR, _SLOG_CRITICAL,
"random: Unable to attach event to intr %d: %s",
intr, strerror( errno ) );
return NULL;
}
/* This is how many interrupts we are gonna get */
if( Yarrow )
{
yarrow_output( Yarrow, (uint8_t *)&rdata, sizeof( rdata ) );
target = rdata & 0x1FF;
}
count = 0;
SETIOV( &iov, &pulse, sizeof( pulse ) );
while( 1 )
{
rcvid = MsgReceivev( chid, &iov, 1, NULL );
if( rcvid == -1 )
{
if( errno == ESRCH )
return NULL;
continue;
}
switch( pulse.code )
{
case 1:
InterruptUnmask( intr, intr_id );
count++;
if( count >= target )
{
ClockTime( CLOCK_REALTIME, NULL, &clk );
clk = clk ^ rdata;
if( Yarrow )
{
yarrow_input( Yarrow, (uint8_t *)&clk, sizeof( clk ),
pool_id, 8 );
yarrow_output( Yarrow, (uint8_t *)&rdata,
sizeof( rdata ) );
}
target = rdata & 0x1FF;
count = 0;
}
break;
default:
if( rcvid )
MsgError( rcvid, ENOTSUP );
}
}
return NULL;
}