void mdp3_dma_callback_disable(struct mdp3_dma *dma, int type)
{
int irq_bit;
pr_debug("mdp3_dma_callback_disable type=%d\n", type);
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_LCDC) {
if (type & MDP3_DMA_CALLBACK_TYPE_VSYNC)
mdp3_irq_disable(MDP3_INTR_LCDC_START_OF_FRAME);
} else if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
if (type & MDP3_DMA_CALLBACK_TYPE_VSYNC) {
irq_bit = MDP3_INTR_SYNC_PRIMARY_LINE;
irq_bit += dma->dma_sel;
mdp3_irq_disable(irq_bit);
}
if (type & MDP3_DMA_CALLBACK_TYPE_DMA_DONE) {
irq_bit = MDP3_INTR_DMA_P_DONE;
if (dma->dma_sel == MDP3_DMA_S)
irq_bit = MDP3_INTR_DMA_S_DONE;
mdp3_irq_disable(irq_bit);
}
}
}
static int mdp3_dma_stop(struct mdp3_dma *dma, struct mdp3_intf *intf)
{
int ret = 0;
u32 status, display_status_bit;
if (dma->dma_sel == MDP3_DMA_P)
display_status_bit = BIT(6);
else if (dma->dma_sel == MDP3_DMA_S)
display_status_bit = BIT(7);
else
return -EINVAL;
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO)
display_status_bit |= BIT(11);
intf->stop(intf);
ret = readl_poll_timeout((mdp3_res->mdp_base + MDP3_REG_DISPLAY_STATUS),
status,
((status & display_status_bit) == 0),
DMA_STOP_POLL_SLEEP_US,
DMA_STOP_POLL_TIMEOUT_US);
mdp3_dma_callback_disable(dma, MDP3_DMA_CALLBACK_TYPE_VSYNC |
MDP3_DMA_CALLBACK_TYPE_DMA_DONE);
mdp3_irq_disable(MDP3_INTR_LCDC_UNDERFLOW);
init_completion(&dma->dma_comp);
dma->vsync_client.handler = NULL;
return ret;
}
