This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / media / video / ovcamchip / ovcamchip_priv.h

diff --git a/drivers/media/video/ovcamchip/ovcamchip_priv.h b/drivers/media/video/ovcamchip/ovcamchip_priv.h
new file mode 100644 (file)
index 0000000..575e612
--- /dev/null
+++ b/drivers/media/video/ovcamchip/ovcamchip_priv.h
@@ -0,0 +1,87 @@
+/* OmniVision* camera chip driver private definitions for core code and
+ * chip-specific code
+ *
+ * Copyright (c) 1999-2004 Mark McClelland
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version. NO WARRANTY OF ANY KIND is expressed or implied.
+ *
+ * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver
+ * is not sponsored or developed by them.
+ */
+
+#ifndef __LINUX_OVCAMCHIP_PRIV_H
+#define __LINUX_OVCAMCHIP_PRIV_H
+
+#include <media/ovcamchip.h>
+
+#ifdef DEBUG
+extern int ovcamchip_debug;
+#endif
+
+#define PDEBUG(level, fmt, args...) \
+       if (ovcamchip_debug >= (level)) pr_debug("[%s:%d] " fmt "\n", \
+               __FUNCTION__, __LINE__ , ## args)
+
+#define DDEBUG(level, dev, fmt, args...) \
+       if (ovcamchip_debug >= (level)) dev_dbg(dev, "[%s:%d] " fmt "\n", \
+               __FUNCTION__, __LINE__ , ## args)
+
+/* Number of times to retry chip detection. Increase this if you are getting
+ * "Failed to init camera chip" */
+#define I2C_DETECT_RETRIES     10
+
+struct ovcamchip_regvals {
+       unsigned char reg;
+       unsigned char val;
+};
+
+struct ovcamchip_ops {
+       int (*init)(struct i2c_client *);
+       int (*free)(struct i2c_client *);
+       int (*command)(struct i2c_client *, unsigned int, void *);
+};
+
+struct ovcamchip {
+       struct ovcamchip_ops *sops;
+       void *spriv;               /* Private data for OV7x10.c etc... */
+       int subtype;               /* = SEN_OV7610 etc... */
+       int mono;                  /* Monochrome chip? (invalid until init) */
+       int initialized;           /* OVCAMCHIP_CMD_INITIALIZE was successful */
+};
+
+/* --------------------------------- */
+/*              I2C I/O              */
+/* --------------------------------- */
+
+static inline int ov_read(struct i2c_client *c, unsigned char reg,
+                         unsigned char *value)
+{
+       int rc;
+
+       rc = i2c_smbus_read_byte_data(c, reg);
+       *value = (unsigned char) rc;
+       return rc;
+}
+
+static inline int ov_write(struct i2c_client *c, unsigned char reg,
+                          unsigned char value )
+{
+       return i2c_smbus_write_byte_data(c, reg, value);
+}
+
+/* --------------------------------- */
+/*        FUNCTION PROTOTYPES        */
+/* --------------------------------- */
+
+/* Functions in ovcamchip_core.c */
+
+extern int ov_write_regvals(struct i2c_client *c,
+                           struct ovcamchip_regvals *rvals);
+
+extern int ov_write_mask(struct i2c_client *c, unsigned char reg,
+                        unsigned char value, unsigned char mask);
+
+#endif