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Diffstat (limited to 'kernel/drivers/media/dvb-frontends/lgdt330x.h')
-rw-r--r--kernel/drivers/media/dvb-frontends/lgdt330x.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/drivers/media/dvb-frontends/lgdt330x.h b/kernel/drivers/media/dvb-frontends/lgdt330x.h
new file mode 100644
index 000000000..c73eeb45e
--- /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 */