Exemplos de dispc_lcd_enable_signal em C++ (Cpp)

Exemplo n.º 1

int dss_sdi_enable(void)
{
	unsigned long timeout;

	dispc_pck_free_enable(1);

	/* Reset SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 18, 18); /* SDI_PLL_SYSRESET */
	udelay(1);	/* wait 2x PCLK */

	/* Lock SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 28, 28); /* SDI_PLL_GOBIT */

	/* Waiting for PLL lock request to complete */
	timeout = jiffies + msecs_to_jiffies(500);
	while (dss_read_reg(DSS_SDI_STATUS) & (1 << 6)) {
		if (time_after_eq(jiffies, timeout)) {
			DSSERR("PLL lock request timed out\n");
			goto err1;
		}
	}

	/* Clearing PLL_GO bit */
	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 28, 28);

	/* Waiting for PLL to lock */
	timeout = jiffies + msecs_to_jiffies(500);
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5))) {
		if (time_after_eq(jiffies, timeout)) {
			DSSERR("PLL lock timed out\n");
			goto err1;
		}
	}

	dispc_lcd_enable_signal(1);

	/* Waiting for SDI reset to complete */
	timeout = jiffies + msecs_to_jiffies(500);
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 2))) {
		if (time_after_eq(jiffies, timeout)) {
			DSSERR("SDI reset timed out\n");
			goto err2;
		}
	}

	return 0;

 err2:
	dispc_lcd_enable_signal(0);
 err1:
	/* Reset SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */

	dispc_pck_free_enable(0);

	return -ETIMEDOUT;
}

Exemplo n.º 2

void dss_sdi_enable(void)
{
	dispc_pck_free_enable(1);

	/* Reset SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 18, 18); /* SDI_PLL_SYSRESET */
	udelay(1);	/* wait 2x PCLK */

	/* Lock SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 28, 28); /* SDI_PLL_GOBIT */

	/* Waiting for PLL lock request to complete */
	while (dss_read_reg(DSS_SDI_STATUS) & (1 << 6))
		;

	/* Clearing PLL_GO bit */
	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 28, 28);

	/* Waiting for PLL to lock */
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5)))
		;

	dispc_lcd_enable_signal(1);

	/* Waiting for SDI reset to complete */
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 2)))
		;
}

Exemplo n.º 3

void dss_sdi_disable(void)
{
	dispc_lcd_enable_signal(0);

	dispc_pck_free_enable(0);

	/* Reset SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */
}

Exemplo n.º 4

Arquivo: dss.c Projeto: embest-tech/rowboat-kernel

void dss_sdi_init(int datapairs)
{
	u32 l;

	BUG_ON(datapairs > 3 || datapairs < 1);

	l = dss_read_reg(DSS_SDI_CONTROL);
	l = FLD_MOD(l, 0xf, 19, 15);		/* SDI_PDIV */
	l = FLD_MOD(l, datapairs-1, 3, 2);	/* SDI_PRSEL */
	l = FLD_MOD(l, 2, 1, 0);		/* SDI_BWSEL */
	dss_write_reg(DSS_SDI_CONTROL, l);

	l = dss_read_reg(DSS_PLL_CONTROL);
	l = FLD_MOD(l, 0x7, 25, 22);	/* SDI_PLL_FREQSEL */
	l = FLD_MOD(l, 0xb, 16, 11);	/* SDI_PLL_REGN */
	l = FLD_MOD(l, 0xb4, 10, 1);	/* SDI_PLL_REGM */
	dss_write_reg(DSS_PLL_CONTROL, l);

	/* Reset SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 18, 18); /* SDI_PLL_SYSRESET */
	udelay(1);	/* wait 2x PCLK */

	/* Lock SDI PLL */
	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 28, 28); /* SDI_PLL_GOBIT */

	/* Waiting for PLL lock request to complete */
	while (dss_read_reg(DSS_SDI_STATUS) & (1 << 6))
		;

	/* Clearing PLL_GO bit */
	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 28, 28);

	/* Waiting for PLL to lock */
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5)))
		;

	dispc_lcd_enable_signal(1);

	/* Waiting for SDI reset to complete */
	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5)))
		;
}