--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_MS5607_H_
+#define _AO_MS5607_H_
+
+#define AO_MS5607_RESET 0x1e
+
+#define AO_MS5607_CONVERT_D1_256 0x40
+#define AO_MS5607_CONVERT_D1_512 0x42
+#define AO_MS5607_CONVERT_D1_1024 0x44
+#define AO_MS5607_CONVERT_D1_2048 0x46
+#define AO_MS5607_CONVERT_D1_4096 0x48
+
+#define AO_MS5607_CONVERT_D2_256 0x50
+#define AO_MS5607_CONVERT_D2_512 0x52
+#define AO_MS5607_CONVERT_D2_1024 0x54
+#define AO_MS5607_CONVERT_D2_2048 0x56
+#define AO_MS5607_CONVERT_D2_4096 0x58
+
+#define AO_MS5607_ADC_READ 0x00
+#define AO_MS5607_PROM_READ(ad) 0xA0 | ((ad) << 1)
+
+#endif /* _AO_MS5607_H_ */