Merge branch 'omap-pool'

[linux-2.6-omap-h63xx.git] / drivers / media / dvb / frontends / lgs8gxx.h

diff --git a/drivers/media/dvb/frontends/lgs8gxx.h b/drivers/media/dvb/frontends/lgs8gxx.h
new file mode 100644 (file)
index 0000000..321d366
--- /dev/null
+++ b/drivers/media/dvb/frontends/lgs8gxx.h
@@ -0,0 +1,90 @@
+/*
+ *    Support for Legend Silicon DMB-TH demodulator
+ *    LGS8913, LGS8GL5
+ *    experimental support LGS8G42, LGS8G52
+ *
+ *    Copyright (C) 2007,2008 David T.L. Wong <davidtlwong@gmail.com>
+ *    Copyright (C) 2008 Sirius International (Hong Kong) Limited
+ *    Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
+ *
+ *    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 __LGS8GXX_H__
+#define __LGS8GXX_H__
+
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+#define LGS8GXX_PROD_LGS8913 0
+#define LGS8GXX_PROD_LGS8GL5 1
+#define LGS8GXX_PROD_LGS8G42 3
+#define LGS8GXX_PROD_LGS8G52 4
+#define LGS8GXX_PROD_LGS8G54 5
+
+struct lgs8gxx_config {
+
+       /* product type */
+       u8 prod;
+
+       /* the demodulator's i2c address */
+       u8 demod_address;
+
+       /* parallel or serial transport stream */
+       u8 serial_ts;
+
+       /* transport stream polarity*/
+       u8 ts_clk_pol;
+
+       /* transport stream clock gated by ts_valid */
+       u8 ts_clk_gated;
+
+       /* A/D Clock frequency */
+       u32 if_clk_freq; /* in kHz */
+
+       /* IF frequency */
+       u32 if_freq; /* in kHz */
+
+       /*Use External ADC*/
+       u8 ext_adc;
+
+       /*External ADC output two's complement*/
+       u8 adc_signed;
+
+       /*Sample IF data at falling edge of IF_CLK*/
+       u8 if_neg_edge;
+
+       /*IF use Negative center frequency*/
+       u8 if_neg_center;
+
+       /* slave address and configuration of the tuner */
+       u8 tuner_address;
+};
+
+#if defined(CONFIG_DVB_LGS8GXX) || \
+       (defined(CONFIG_DVB_LGS8GXX_MODULE) && defined(MODULE))
+extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
+                                          struct i2c_adapter *i2c);
+#else
+static inline
+struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
+                                   struct i2c_adapter *i2c) {
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif /* CONFIG_DVB_LGS8GXX */
+
+#endif /* __LGS8GXX_H__ */