Extra omap code in linux-omap tree

[linux-2.6-omap-h63xx.git] / include / linux / i2c / twl4030-madc.h

diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h
new file mode 100644 (file)
index 0000000..24523b5
--- /dev/null
+++ b/include/linux/i2c/twl4030-madc.h
@@ -0,0 +1,126 @@
+/*
+ * include/linux/i2c/twl4030-madc.h
+ *
+ * TWL4030 MADC module driver header
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Mikko Ylinen <mikko.k.ylinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef _TWL4030_MADC_H
+#define _TWL4030_MADC_H
+
+struct twl4030_madc_conversion_method {
+       u8 sel;
+       u8 avg;
+       u8 rbase;
+       u8 ctrl;
+};
+
+#define TWL4030_MADC_MAX_CHANNELS 16
+
+struct twl4030_madc_request {
+       u16 channels;
+       u16 do_avg;
+       u16 method;
+       u16 type;
+       int active;
+       int result_pending;
+       int rbuf[TWL4030_MADC_MAX_CHANNELS];
+       void (*func_cb)(int len, int channels, int *buf);
+};
+
+enum conversion_methods {
+       TWL4030_MADC_RT,
+       TWL4030_MADC_SW1,
+       TWL4030_MADC_SW2,
+       TWL4030_MADC_NUM_METHODS
+};
+
+enum sample_type {
+       TWL4030_MADC_WAIT,
+       TWL4030_MADC_IRQ_ONESHOT,
+       TWL4030_MADC_IRQ_REARM
+};
+
+#define TWL4030_MADC_CTRL1             0x00
+#define TWL4030_MADC_CTRL2             0x01
+
+#define TWL4030_MADC_RTSELECT_LSB      0x02
+#define TWL4030_MADC_SW1SELECT_LSB     0x06
+#define TWL4030_MADC_SW2SELECT_LSB     0x0A
+
+#define TWL4030_MADC_RTAVERAGE_LSB     0x04
+#define TWL4030_MADC_SW1AVERAGE_LSB    0x08
+#define TWL4030_MADC_SW2AVERAGE_LSB    0x0C
+
+#define TWL4030_MADC_CTRL_SW1          0x12
+#define TWL4030_MADC_CTRL_SW2          0x13
+
+#define TWL4030_MADC_RTCH0_LSB         0x17
+#define TWL4030_MADC_GPCH0_LSB         0x37
+
+#define TWL4030_MADC_MADCON            (1<<0)  /* MADC power on */
+#define TWL4030_MADC_BUSY              (1<<0)  /* MADC busy */
+#define TWL4030_MADC_EOC_SW            (1<<1)  /* MADC conversion completion */
+#define TWL4030_MADC_SW_START          (1<<5)  /* MADC SWx start conversion */
+
+#define        TWL4030_MADC_ADCIN0             (1<<0)
+#define        TWL4030_MADC_ADCIN1             (1<<1)
+#define        TWL4030_MADC_ADCIN2             (1<<2)
+#define        TWL4030_MADC_ADCIN3             (1<<3)
+#define        TWL4030_MADC_ADCIN4             (1<<4)
+#define        TWL4030_MADC_ADCIN5             (1<<5)
+#define        TWL4030_MADC_ADCIN6             (1<<6)
+#define        TWL4030_MADC_ADCIN7             (1<<7)
+#define        TWL4030_MADC_ADCIN8             (1<<8)
+#define        TWL4030_MADC_ADCIN9             (1<<9)
+#define        TWL4030_MADC_ADCIN10            (1<<10)
+#define        TWL4030_MADC_ADCIN11            (1<<11)
+#define        TWL4030_MADC_ADCIN12            (1<<12)
+#define        TWL4030_MADC_ADCIN13            (1<<13)
+#define        TWL4030_MADC_ADCIN14            (1<<14)
+#define        TWL4030_MADC_ADCIN15            (1<<15)
+
+/* Fixed channels */
+#define TWL4030_MADC_BTEMP             TWL4030_MADC_ADCIN1
+#define TWL4030_MADC_VBUS              TWL4030_MADC_ADCIN8
+#define TWL4030_MADC_VBKB              TWL4030_MADC_ADCIN9
+#define        TWL4030_MADC_ICHG               TWL4030_MADC_ADCIN10
+#define TWL4030_MADC_VCHG              TWL4030_MADC_ADCIN11
+#define        TWL4030_MADC_VBAT               TWL4030_MADC_ADCIN12
+
+/* BCI related - XXX To be moved elsewhere */
+#define TWL4030_BCI_BCICTL1            0x23
+#define        TWL4030_BCI_MESBAT              (1<<1)
+#define        TWL4030_BCI_TYPEN               (1<<4)
+#define        TWL4030_BCI_ITHEN               (1<<3)
+
+#define TWL4030_MADC_IOC_MAGIC '`'
+#define TWL4030_MADC_IOCX_ADC_RAW_READ         _IO(TWL4030_MADC_IOC_MAGIC, 0)
+
+struct twl4030_madc_user_parms {
+       int channel;
+       int average;
+       int status;
+       u16 result;
+};
+
+int twl4030_madc_conversion(struct twl4030_madc_request *conv);
+
+#endif