Ejemplos de mdp3_dma_callback_disable en C++ (Cpp)

Ejemplo n.º 1

Archivo: mdp3_dma.c Proyecto: Fechinator/FechdaKernel

static int mdp3_dmap_histo_stop(struct mdp3_dma *dma)
{
	unsigned long flag;
	int cb_type = MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE |
			MDP3_DMA_CALLBACK_TYPE_HIST_DONE;

	spin_lock_irqsave(&dma->histo_lock, flag);

	MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_CANCEL_REQ, 1);
	MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_ENABLE, 0);
	wmb();
	dma->histo_state = MDP3_DMA_HISTO_STATE_IDLE;
	complete(&dma->histo_comp);

	spin_unlock_irqrestore(&dma->histo_lock, flag);

	mdp3_dma_callback_disable(dma, cb_type);
	return 0;
}

Ejemplo n.º 2

Archivo: mdp3_dma.c Proyecto: MrJwiz/UBER-M

static int mdp3_dmap_histo_reset(struct mdp3_dma *dma)
{
	unsigned long flag;
	int ret;
	u32 cgc;

	if (dma->histo_state == MDP3_DMA_HISTO_STATE_START)
		return -EINVAL;

	spin_lock_irqsave(&dma->histo_lock, flag);

	init_completion(&dma->histo_comp);
	cgc = MDP3_REG_READ(MDP3_REG_CGC_EN);
	cgc &= ~BIT(10);
	MDP3_REG_WRITE(MDP3_REG_CGC_EN, cgc);

	MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_ENABLE, BIT(0)|BIT(1));
	MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_RESET_SEQ_START, 1);
	wmb();
	dma->histo_state = MDP3_DMA_HISTO_STATE_RESET;

	spin_unlock_irqrestore(&dma->histo_lock, flag);

	mdp3_dma_callback_enable(dma, MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE);
	ret = wait_for_completion_killable_timeout(&dma->histo_comp,
				msecs_to_jiffies(DMA_HISTO_RESET_TIMEOUT_MS));

	if (ret == 0) {
		pr_err("mdp3_dmap_histo_reset time out\n");
		ret = -ETIMEDOUT;
	} else if (ret < 0) {
		pr_err("mdp3_dmap_histo_reset interrupted\n");
	} else {
		ret = 0;
	}
	mdp3_dma_callback_disable(dma, MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE);
	cgc |= BIT(10);
	MDP3_REG_WRITE(MDP3_REG_CGC_EN, cgc);

	return ret;
}