1 files changed, 91 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/lgdt3305.h b/drivers/media/dvb-frontends/lgdt3305.h
new file mode 100644
index 000000000000..02172eca4d47
--- /dev/null
+++ b/drivers/media/dvb-frontends/lgdt3305.h
@@ -0,0 +1,91 @@
+/*
+ *    Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
+ *
+ *    Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
+ *
+ *    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 _LGDT3305_H_
+#define _LGDT3305_H_
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+
+enum lgdt3305_mpeg_mode {
+        LGDT3305_MPEG_PARALLEL = 0,
+        LGDT3305_MPEG_SERIAL = 1,
+};
+
+enum lgdt3305_tp_clock_edge {
+        LGDT3305_TPCLK_RISING_EDGE = 0,
+        LGDT3305_TPCLK_FALLING_EDGE = 1,
+};
+
+enum lgdt3305_tp_valid_polarity {
+        LGDT3305_TP_VALID_LOW = 0,
+        LGDT3305_TP_VALID_HIGH = 1,
+};
+
+enum lgdt_demod_chip_type {
+        LGDT3305 = 0,
+        LGDT3304 = 1,
+};
+
+struct lgdt3305_config {
+        u8 i2c_addr;
+
+        /* user defined IF frequency in KHz */
+        u16 qam_if_khz;
+        u16 vsb_if_khz;
+
+        /* AGC Power reference - defaults are used if left unset */
+        u16 usref_8vsb;   /* default: 0x32c4 */
+        u16 usref_qam64;  /* default: 0x5400 */
+        u16 usref_qam256; /* default: 0x2a80 */
+
+        /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
+        unsigned int deny_i2c_rptr:1;
+
+        /* spectral inversion - 0:disabled 1:enabled */
+        unsigned int spectral_inversion:1;
+
+        /* use RF AGC loop - 0:disabled 1:enabled */
+        unsigned int rf_agc_loop:1;
+
+        enum lgdt3305_mpeg_mode mpeg_mode;
+        enum lgdt3305_tp_clock_edge tpclk_edge;
+        enum lgdt3305_tp_valid_polarity tpvalid_polarity;
+        enum lgdt_demod_chip_type demod_chip;
+};
+
+#if defined(CONFIG_DVB_LGDT3305) || (defined(CONFIG_DVB_LGDT3305_MODULE) && \
+                                     defined(MODULE))
+extern
+struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
+                                     struct i2c_adapter *i2c_adap);
+#else
+static inline
+struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
+                                     struct i2c_adapter *i2c_adap)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif /* CONFIG_DVB_LGDT3305 */
+
+#endif /* _LGDT3305_H_ */