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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/dvb-frontends/ix2505v.h
Initial import
Diffstat (limited to 'drivers/media/dvb-frontends/ix2505v.h')
-rw-r--r--drivers/media/dvb-frontends/ix2505v.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ix2505v.h b/drivers/media/dvb-frontends/ix2505v.h
new file mode 100644
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+++ b/drivers/media/dvb-frontends/ix2505v.h
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+/**
+ * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
+ *
+ * Copyright (C) 2010 Malcolm Priestley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * 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_IX2505V_H
+#define DVB_IX2505V_H
+
+#include <linux/kconfig.h>
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+/**
+ * Attach a ix2505v tuner to the supplied frontend structure.
+ *
+ * @param fe Frontend to attach to.
+ * @param config ix2505v_config structure
+ * @return FE pointer on success, NULL on failure.
+ */
+
+struct ix2505v_config {
+ u8 tuner_address;
+
+ /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */
+ u8 tuner_gain;
+
+ /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */
+ u8 tuner_chargepump;
+
+ /* delay after tune */
+ int min_delay_ms;
+
+ /* disables reads*/
+ u8 tuner_write_only;
+
+};
+
+#if IS_REACHABLE(CONFIG_DVB_IX2505V)
+extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
+ const struct ix2505v_config *config, struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
+ const struct ix2505v_config *config, struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* DVB_IX2505V_H */