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Diffstat (limited to 'drivers/media/dvb-frontends/zd1301_demod.h')
-rw-r--r--drivers/media/dvb-frontends/zd1301_demod.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/zd1301_demod.h b/drivers/media/dvb-frontends/zd1301_demod.h
new file mode 100644
index 000000000000..ceb2e05e873c
--- /dev/null
+++ b/drivers/media/dvb-frontends/zd1301_demod.h
@@ -0,0 +1,73 @@
+/*
+ * ZyDAS ZD1301 driver (demodulator)
+ *
+ * Copyright (C) 2015 Antti Palosaari <crope@iki.fi>
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#ifndef ZD1301_DEMOD_H
+#define ZD1301_DEMOD_H
+
+#include <linux/platform_device.h>
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+/**
+ * struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver
+ * @reg_priv: First argument of reg_read and reg_write callbacks.
+ * @reg_read: Register read callback.
+ * @reg_write: Register write callback.
+ */
+
+struct zd1301_demod_platform_data {
+ void *reg_priv;
+ int (*reg_read)(void *, u16, u8 *);
+ int (*reg_write)(void *, u16, u8);
+};
+
+#if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD)
+/**
+ * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend
+ * @pdev: Pointer to platform device
+ *
+ * Return: Pointer to DVB frontend which given platform device owns.
+ */
+
+struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *);
+
+/**
+ * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter
+ * @pdev: Pointer to platform device
+ *
+ * Return: Pointer to I2C adapter which given platform device owns.
+ */
+
+struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *);
+
+#else
+
+static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+
+ return NULL;
+}
+static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+
+ return NULL;
+}
+
+#endif
+
+#endif /* ZD1301_DEMOD_H */