C++ (Cpp) cpdma_chan_int_ctrl Examples

Example #1

File: davinci_cpdma.c Project: AiWinters/linux

int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable)
{
	unsigned long flags;
	int i, reg;

	spin_lock_irqsave(&ctlr->lock, flags);
	if (ctlr->state != CPDMA_STATE_ACTIVE) {
		spin_unlock_irqrestore(&ctlr->lock, flags);
		return -EINVAL;
	}

	reg = enable ? CPDMA_DMAINTMASKSET : CPDMA_DMAINTMASKCLEAR;
	dma_reg_write(ctlr, reg, CPDMA_DMAINT_HOSTERR);

	for (i = 0; i < ARRAY_SIZE(ctlr->channels); i++) {
		if (ctlr->channels[i])
			cpdma_chan_int_ctrl(ctlr->channels[i], enable);
	}

	spin_unlock_irqrestore(&ctlr->lock, flags);
	return 0;
}

Example #2

File: davinci_cpdma.c Project: G-Ray/xenomai-boneblack-rtnet-drivers

int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable)
{
	rtdm_lockctx_t context;
	int i, reg;

	rtdm_lock_get_irqsave(&ctlr->lock, context);
	if (ctlr->state != CPDMA_STATE_ACTIVE) {
		rtdm_lock_put_irqrestore(&ctlr->lock, context);
		return -EINVAL;
	}

	reg = enable ? CPDMA_DMAINTMASKSET : CPDMA_DMAINTMASKCLEAR;
	dma_reg_write(ctlr, reg, CPDMA_DMAINT_HOSTERR);

	for (i = 0; i < ARRAY_SIZE(ctlr->channels); i++) {
		if (ctlr->channels[i])
			cpdma_chan_int_ctrl(ctlr->channels[i], enable);
	}

	rtdm_lock_put_irqrestore(&ctlr->lock, context);
	return 0;
}