1 files changed, 79 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/helene.h b/drivers/media/dvb-frontends/helene.h
new file mode 100644
index 000000000000..e1b9224cfc55
--- /dev/null
+++ b/drivers/media/dvb-frontends/helene.h
@@ -0,0 +1,79 @@
+/*
+ * helene.h
+ *
+ * Sony HELENE DVB-S/S2/T/T2/C/C2/ISDB-T/S tuner driver (CXD2858ER)
+ *
+ * Copyright 2012 Sony Corporation
+ * Copyright (C) 2014 NetUP Inc.
+ * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
+ *
+ * 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 __DVB_HELENE_H__
+#define __DVB_HELENE_H__
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+enum helene_xtal {
+        SONY_HELENE_XTAL_16000, /* 16 MHz */
+        SONY_HELENE_XTAL_20500, /* 20.5 MHz */
+        SONY_HELENE_XTAL_24000, /* 24 MHz */
+        SONY_HELENE_XTAL_41000 /* 41 MHz */
+};
+
+/**
+ * struct helene_config - the configuration of 'Helene' tuner driver
+ * @i2c_address:        I2C address of the tuner
+ * @xtal_freq_mhz:      Oscillator frequency, MHz
+ * @set_tuner_priv:     Callback function private context
+ * @set_tuner_callback: Callback function that notifies the parent driver
+ *                      which tuner is active now
+ */
+struct helene_config {
+        u8      i2c_address;
+        u8      xtal_freq_mhz;
+        void    *set_tuner_priv;
+        int     (*set_tuner_callback)(void *, int);
+        enum helene_xtal xtal;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_HELENE)
+extern struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
+                                        const struct helene_config *config,
+                                        struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
+                                        const struct helene_config *config,
+                                        struct i2c_adapter *i2c)
+{
+        pr_warn("%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif
+
+#if IS_REACHABLE(CONFIG_DVB_HELENE)
+extern struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
+                                        const struct helene_config *config,
+                                        struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
+                                        const struct helene_config *config,
+                                        struct i2c_adapter *i2c)
+{
+        pr_warn("%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif
+
+#endif