1 files changed, 92 insertions, 0 deletions
diff --git a/include/linux/mfd/pcf50633/adc.h b/include/linux/mfd/pcf50633/adc.h
new file mode 100644
index 00000000000..54246e72bcc
--- /dev/null
+++ b/include/linux/mfd/pcf50633/adc.h
@@ -0,0 +1,92 @@
+#ifndef __LINUX_MFD_PCF50633_ADC_H
+#define __LINUX_MFD_PCF50633_ADC_H
+
+#include <linux/platform_device.h>
+
+/* ADC Registers */
+#define	PCF50633_REG_ADCC3 0x52
+#define	PCF50633_REG_ADCC2 0x53
+#define	PCF50633_REG_ADCC1 0x54
+#define	PCF50633_REG_ADCS1 0x55
+#define	PCF50633_REG_ADCS2 0x56
+#define	PCF50633_REG_ADCS3 0x57
+
+#define	PCF50633_ADCC1_ADCSTART		0x01
+#define	PCF50633_ADCC1_RES_10BIT	0x02
+#define	PCF50633_ADCC1_AVERAGE_NO	0x00
+#define	PCF50633_ADCC1_AVERAGE_4	0x04
+#define	PCF50633_ADCC1_AVERAGE_8	0x08
+#define	PCF50633_ADCC1_AVERAGE_16	0x0c
+#define	PCF50633_ADCC1_MUX_BATSNS_RES	0x00
+#define	PCF50633_ADCC1_MUX_BATSNS_SUBTR	0x10
+#define	PCF50633_ADCC1_MUX_ADCIN2_RES	0x20
+#define	PCF50633_ADCC1_MUX_ADCIN2_SUBTR	0x30
+#define	PCF50633_ADCC1_MUX_BATTEMP	0x60
+#define	PCF50633_ADCC1_MUX_ADCIN1	0x70
+#define PCF50633_ADCC1_AVERAGE_MASK	0x0c
+#define	PCF50633_ADCC1_ADCMUX_MASK	0xf0
+
+#define	PCF50633_ADCC2_RATIO_NONE	0x00
+#define	PCF50633_ADCC2_RATIO_BATTEMP	0x01
+#define	PCF50633_ADCC2_RATIO_ADCIN1	0x02
+#define	PCF50633_ADCC2_RATIO_BOTH	0x03
+#define	PCF50633_ADCC2_RATIOSETTL_100US	0x04
+
+#define	PCF50633_ADCC3_ACCSW_EN		0x01
+#define	PCF50633_ADCC3_NTCSW_EN		0x04
+#define	PCF50633_ADCC3_RES_DIV_TWO	0x10
+#define	PCF50633_ADCC3_RES_DIV_THREE	0x00
+
+#define	PCF50633_ADCS3_REF_NTCSW	0x00
+#define	PCF50633_ADCS3_REF_ACCSW	0x10
+#define	PCF50633_ADCS3_REF_2V0		0x20
+#define	PCF50633_ADCS3_REF_VISA		0x30
+#define	PCF50633_ADCS3_REF_2V0_2	0x70
+#define	PCF50633_ADCS3_ADCRDY		0x80
+
+#define PCF50633_ADCS3_ADCDAT1L_MASK	0x03
+#define PCF50633_ADCS3_ADCDAT2L_MASK	0x0c
+#define PCF50633_ADCS3_ADCDAT2L_SHIFT	2
+#define PCF50633_ASCS3_REF_MASK		0x70
+
+
+struct pcf50633;
+
+#define PCF50633_MAX_ADC_FIFO_DEPTH 8
+
+struct pcf50633_adc_request;
+
+struct pcf50633_adc {
+	struct platform_device *pdev;
+
+	/* Private stuff */
+	struct pcf50633_adc_request *queue[PCF50633_MAX_ADC_FIFO_DEPTH];
+	int queue_head;
+	int queue_tail;
+	struct mutex queue_mutex;
+};
+
+#ifdef CONFIG_MFD_PCF50633_ADC
+extern int
+pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
+		void (*callback)(struct pcf50633 *, void *, int),
+		void *callback_param);
+extern int
+pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg);
+#else
+int
+pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
+		void (*callback)(struct pcf50633 *, void *, int),
+		void *callback_param)
+{
+	return -ENODEV;
+}
+
+int
+pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg)
+{
+	return -ENODEV;
+}
+#endif /* CONFIG_PCF50633_ADC */
+
+#endif /* __LINUX_PCF50633_ADC_H */