Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / dvb-frontends / lgdt330x.h

diff --git a/kernel/drivers/media/dvb-frontends/lgdt330x.h b/kernel/drivers/media/dvb-frontends/lgdt330x.h
new file mode 100644 (file)
index 0000000..c73eeb4
--- /dev/null
+++ b/kernel/drivers/media/dvb-frontends/lgdt330x.h
@@ -0,0 +1,67 @@
+/*
+ *    Support for LGDT3302 and LGDT3303 - VSB/QAM
+ *
+ *    Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
+ *
+ *    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 LGDT330X_H
+#define LGDT330X_H
+
+#include <linux/dvb/frontend.h>
+
+typedef enum lg_chip_t {
+               UNDEFINED,
+               LGDT3302,
+               LGDT3303
+}lg_chip_type;
+
+struct lgdt330x_config
+{
+       /* The demodulator's i2c address */
+       u8 demod_address;
+
+       /* LG demodulator chip LGDT3302 or LGDT3303 */
+       lg_chip_type demod_chip;
+
+       /* MPEG hardware interface - 0:parallel 1:serial */
+       int serial_mpeg;
+
+       /* PLL interface */
+       int (*pll_rf_set) (struct dvb_frontend* fe, int index);
+
+       /* Need to set device param for start_dma */
+       int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+       /* Flip the polarity of the mpeg data transfer clock using alternate init data
+        * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
+       int clock_polarity_flip;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_LGDT330X)
+extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
+                                           struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
+                                           struct i2c_adapter* i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif // CONFIG_DVB_LGDT330X
+
+#endif /* LGDT330X_H */