C++ (Cpp) mcasp_set_ctl_reg Examples

Example #1

File: davinci-mcasp.c Project: 3sOx/asuswrt-merlin

static void mcasp_start_tx(struct davinci_audio_dev *dev)
{
	u8 offset = 0, i;
	u32 cnt;

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXHCLKRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXCLKRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXSERCLR);
	mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0);

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXSMRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXFSRST);
	mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0);
	for (i = 0; i < dev->num_serializer; i++) {
		if (dev->serial_dir[i] == TX_MODE) {
			offset = i;
			break;
		}
	}

	/* wait for TX ready */
	cnt = 0;
	while (!(mcasp_get_reg(dev->base + DAVINCI_MCASP_XRSRCTL_REG(offset)) &
		 TXSTATE) && (cnt < 100000))
		cnt++;

	mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0);
}

Example #2

File: davinci-mcasp.c Project: ravishankarkm/openboard-source-code

static void mcasp_start_rx(struct davinci_audio_dev *dev)
{
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXHCLKRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXCLKRST);

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXFSRST);

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXHCLKRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXCLKRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSERCLR);
	mcasp_set_reg(dev->base + DAVINCI_MCASP_RXBUF_REG, 0);

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSMRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXFSRST);
	mcasp_set_reg(dev->base + DAVINCI_MCASP_RXBUF_REG, 0);

	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSMRST);
	mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXFSRST);

	mcasp_set_reg(dev->base + DAVINCI_MCASP_RXBUF_REG, 0);
}