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authorKozlov Sergey <serjk@netup.ru>2015-07-28 17:33:01 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-11 20:54:17 +0300
commitdacf9ce80b41667abb51a2a751a2dfe30e1f9a2b (patch)
tree5151ee512947524e288c8d4edf130ca66fc4ac38 /drivers/media/dvb-frontends/ascot2e.h
parenta5d32b358254ff90f5dcd7ae2798b5d40503013a (diff)
downloadlinux-dacf9ce80b41667abb51a2a751a2dfe30e1f9a2b.tar.xz
[media] ascot2e: Sony Ascot2e DVB-C/T/T2 tuner driver
Add DVB-T/T2/C frontend driver for Sony Ascot2e (CXD2861ER) chip. Signed-off-by: Kozlov Sergey <serjk@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/ascot2e.h')
-rw-r--r--drivers/media/dvb-frontends/ascot2e.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ascot2e.h b/drivers/media/dvb-frontends/ascot2e.h
new file mode 100644
index 000000000000..6da4ae6d6cc3
--- /dev/null
+++ b/drivers/media/dvb-frontends/ascot2e.h
@@ -0,0 +1,58 @@
+/*
+ * ascot2e.h
+ *
+ * Sony Ascot3E DVB-T/T2/C/C2 tuner driver
+ *
+ * Copyright 2012 Sony Corporation
+ * Copyright (C) 2014 NetUP Inc.
+ * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
+ * 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_ASCOT2E_H__
+#define __DVB_ASCOT2E_H__
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+/**
+ * struct ascot2e_config - the configuration of Ascot2E 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 ascot2e_config {
+ u8 i2c_address;
+ u8 xtal_freq_mhz;
+ void *set_tuner_priv;
+ int (*set_tuner_callback)(void *, int);
+};
+
+#if IS_REACHABLE(CONFIG_DVB_ASCOT2E)
+extern struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe,
+ const struct ascot2e_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe,
+ const struct ascot2e_config *config,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif