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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/hd29l2.h
Initial import
Diffstat (limited to 'drivers/media/dvb-frontends/hd29l2.h')
-rw-r--r--drivers/media/dvb-frontends/hd29l2.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/hd29l2.h b/drivers/media/dvb-frontends/hd29l2.h
new file mode 100644
index 000000000..48e9ab74c
--- /dev/null
+++ b/drivers/media/dvb-frontends/hd29l2.h
@@ -0,0 +1,66 @@
+/*
+ * HDIC HD29L2 DMB-TH demodulator driver
+ *
+ * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D
+ *
+ * Author: Antti Palosaari <crope@iki.fi>
+ *
+ * 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 HD29L2_H
+#define HD29L2_H
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+
+struct hd29l2_config {
+ /*
+ * demodulator I2C address
+ */
+ u8 i2c_addr;
+
+ /*
+ * tuner I2C address
+ * only needed when tuner is behind demod I2C-gate
+ */
+ u8 tuner_i2c_addr;
+
+ /*
+ * TS settings
+ */
+#define HD29L2_TS_SERIAL 0x00
+#define HD29L2_TS_PARALLEL 0x80
+#define HD29L2_TS_CLK_NORMAL 0x40
+#define HD29L2_TS_CLK_INVERTED 0x00
+#define HD29L2_TS_CLK_GATED 0x20
+#define HD29L2_TS_CLK_FREE 0x00
+ u8 ts_mode;
+};
+
+
+#if IS_REACHABLE(CONFIG_DVB_HD29L2)
+extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *hd29l2_attach(
+const struct hd29l2_config *config, struct i2c_adapter *i2c)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* HD29L2_H */