Exemplo n.º 1
0
static int rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,
				 int chn, void __iomem *regs, int temp)
{
	u32 alarm_value;
	u32 int_en, int_clr;

	/*
	 * In some cases, some sensors didn't need the trip points, the
	 * set_trips will pass {-INT_MAX, INT_MAX} to trigger tsadc alarm
	 * in the end, ignore this case and disable the high temperature
	 * interrupt.
	 */
	if (temp == INT_MAX) {
		int_clr = readl_relaxed(regs + TSADCV2_INT_EN);
		int_clr &= ~TSADCV2_INT_SRC_EN(chn);
		writel_relaxed(int_clr, regs + TSADCV2_INT_EN);
		return 0;
	}

	/* Make sure the value is valid */
	alarm_value = rk_tsadcv2_temp_to_code(table, temp);
	if (alarm_value == table->data_mask)
		return -ERANGE;

	writel_relaxed(alarm_value & table->data_mask,
		       regs + TSADCV2_COMP_INT(chn));

	int_en = readl_relaxed(regs + TSADCV2_INT_EN);
	int_en |= TSADCV2_INT_SRC_EN(chn);
	writel_relaxed(int_en, regs + TSADCV2_INT_EN);

	return 0;
}
Exemplo n.º 2
0
static void rk_tsadcv2_tshut_temp(int chn, void __iomem *regs, long temp)
{
	u32 tshut_value, val;

	tshut_value = rk_tsadcv2_temp_to_code(temp);
	writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));

	/* TSHUT will be valid */
	val = readl_relaxed(regs + TSADCV2_AUTO_CON);
	writel_relaxed(val | TSADCV2_AUTO_SRC_EN(chn), regs + TSADCV2_AUTO_CON);
}
Exemplo n.º 3
0
static int rk_tsadcv2_tshut_temp(const struct chip_tsadc_table *table,
				 int chn, void __iomem *regs, int temp)
{
	u32 tshut_value, val;

	/* Make sure the value is valid */
	tshut_value = rk_tsadcv2_temp_to_code(table, temp);
	if (tshut_value == table->data_mask)
		return -ERANGE;

	writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));

	/* TSHUT will be valid */
	val = readl_relaxed(regs + TSADCV2_AUTO_CON);
	writel_relaxed(val | TSADCV2_AUTO_SRC_EN(chn), regs + TSADCV2_AUTO_CON);

	return 0;
}