int mmc_send_rwcmd(SIM_HBA *hba, int nbytes, int flag)
{
SIM_MMC_EXT *ext;
uint32_t cmd;
ext = (SIM_MMC_EXT *)hba->ext;
if (nbytes == ext->mmc_blksize) {
cmd = ext->dir == MMC_DIR_IN ? MMC_READ_SINGLE_BLOCK : MMC_WRITE_BLOCK;
ext->stop = MMCSD_STOP_NONE;
} else {
cmd = ext->dir == MMC_DIR_IN ? MMC_READ_MULTIPLE_BLOCK : MMC_WRITE_MULTIPLE_BLOCK;
if (!(ext->hccap & MMC_HCCAP_ACMD12))
ext->stop = MMCSD_STOP_PEND;
else
ext->stop = MMCSD_STOP_AUTO;
flag |= MMC_CMD_DATA_MULTI;
}
if (ext->dir == MMC_DIR_IN)
flag |= MMC_CMD_DATA_IN;
flag |= MMC_CMD_DATA;
/*
* Data is expected
* DON'T set MMC_CMD_INTR flag
*/
if (mmc_sendcmd(hba, cmd, MMC_RSP_R1, flag,
(ext->eflags & MMC_EFLAG_HC) ? ext->blkno : (ext->blkno * ext->mmc_blksize)) != MMC_SUCCESS)
return 0;
return nbytes;
}
static int mmc_get_card_status(SIM_HBA *hba)
{
SIM_MMC_EXT *ext;
ext = (SIM_MMC_EXT *)hba->ext;
if(mmc_sendcmd(hba, MMC_SEND_STATUS, MMC_RSP_R1, MMC_CMD_INTR, ext->rca << 16)!=MMC_SUCCESS)
return MMC_FAILURE;
return (mmc_wait_command(hba));
}
