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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/tuners/tda827x.h
Initial import
Diffstat (limited to 'drivers/media/tuners/tda827x.h')
-rw-r--r--drivers/media/tuners/tda827x.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/media/tuners/tda827x.h b/drivers/media/tuners/tda827x.h
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index 000000000..abf2e2fe5
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+++ b/drivers/media/tuners/tda827x.h
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+ /*
+ 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__