tdc: added helper functions to the core

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>

tdc: added helper functions to the core
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
c6be45fb · Samuel Iglesias Gonsálvez · ec765a55 · c6be45fb
Commit c6be45fb authored Aug 28, 2012 by Samuel Iglesias Gonsálvez
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tdc-core.c tdc-core.c +60 -0

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--- a/tdc-core.c
+++ b/tdc-core.c
@@ -39,6 +39,66 @@ static void tdc_fw_reset(struct spec_dev *dev)
 	mdelay(5000);
 }

+/* XXX: Check that the value is properly written? */
+static int tdc_set_utc_time(struct spec_tdc *tdc)
+{
+	u32 utc_time;	/* TODO: fill the variable with a proper value */	
+
+	writel(utc_time, tdc->base + TDC_START_UTC);
+	writel(TDC_CTRL_LOAD_UTC, tdc->base + TDC_CTRL_REG);
+	return 0;
+}
+
+static u32 tdc_get_utc_time(struct spec_tdc *tdc)
+{
+	return readl(tdc->base + TDC_CURRENT_UTC);
+}
+
+/* XXX: void-function or I should check that the value is properly written? */
+void tdc_set_irq_tstamp_thresh(struct spec_tdc *tdc, u32 val)
+{
+	writel(val, tdc->base + TDC_IRQ_TSTAMP_THRESH);
+}
+
+u32 tdc_get_irq_tstamp_thresh(struct spec_tdc *tdc)
+{
+	return readl(tdc->base + TDC_IRQ_TSTAMP_THRESH);
+}
+
+/* XXX: void-function or I should check that the value is properly written? */
+void tdc_set_irq_time_thresh(struct spec_tdc *tdc, u32 val)
+{
+	writel(val, tdc->base + TDC_IRQ_TIME_THRESH);
+}
+
+u32 tdc_get_irq_time_thresh(struct spec_tdc *tdc)
+{
+	return readl(tdc->base + TDC_IRQ_TIME_THRESH);
+}
+
+/* XXX: void-function or I should check that the value is properly written? */
+void tdc_set_dac_word(struct spec_tdc *tdc, u32 val)
+{
+	writel(val, tdc->base + TDC_DAC_WORD);
+	writel(TDC_CTRL_CONFIG_DAC, tdc->base + TDC_CTRL_REG);
+}
+
+void tdc_clear_da_capo_flag(struct spec_tdc *tdc)
+{
+	writel(TDC_CTRL_CLEAR_DACAPO_FLAG, tdc->base + TDC_CTRL_REG);
+}
+
+void tdc_activate_adquisition(struct spec_tdc *tdc)
+{
+	/* Before activate the adquisition is required to reset the ACAM chip */
+	tdc_acam_reset(tdc);
+	writel(TDC_CTRL_EN_ACQ, tdc->base + TDC_CTRL_REG);
+}
+
+void tdc_deactivate_adquisition(struct spec_tdc *tdc)
+{
+	writel(TDC_CTRL_DIS_ACQ, tdc->base + TDC_CTRL_REG);
+}

 int tdc_probe(struct spec_dev *dev)
 {