Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / tuners / tda827x.h

diff --git a/kernel/drivers/media/tuners/tda827x.h b/kernel/drivers/media/tuners/tda827x.h
new file mode 100644 (file)
index 0000000..abf2e2f
--- /dev/null
+++ b/kernel/drivers/media/tuners/tda827x.h
@@ -0,0 +1,69 @@
+  /*
+     DVB Driver for Philips tda827x / tda827xa Silicon tuners
+
+     (c) 2005 Hartmut Hackmann
+     (c) 2007 Michael Krufky
+
+     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.
+
+     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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+  */
+
+#ifndef __DVB_TDA827X_H__
+#define __DVB_TDA827X_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+#include "tda8290.h"
+
+struct tda827x_config
+{
+       /* saa7134 - provided callbacks */
+       int (*init) (struct dvb_frontend *fe);
+       int (*sleep) (struct dvb_frontend *fe);
+
+       /* interface to tda829x driver */
+       enum tda8290_lna config;
+       int          switch_addr;
+
+       void (*agcf)(struct dvb_frontend *fe);
+};
+
+
+/**
+ * Attach a tda827x tuner to the supplied frontend structure.
+ *
+ * @param fe Frontend to attach to.
+ * @param addr i2c address of the tuner.
+ * @param i2c i2c adapter to use.
+ * @param cfg optional callback function pointers.
+ * @return FE pointer on success, NULL on failure.
+ */
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA827X)
+extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
+                                          struct i2c_adapter *i2c,
+                                          struct tda827x_config *cfg);
+#else
+static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe,
+                                                 int addr,
+                                                 struct i2c_adapter *i2c,
+                                                 struct tda827x_config *cfg)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif // CONFIG_MEDIA_TUNER_TDA827X
+
+#endif // __DVB_TDA827X_H__