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Diffstat (limited to 'drivers/media/dvb/frontends/tda1004x.h')
-rw-r--r--drivers/media/dvb/frontends/tda1004x.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h
new file mode 100644
index 000000000000..e452fc0bad11
--- /dev/null
+++ b/drivers/media/dvb/frontends/tda1004x.h
@@ -0,0 +1,56 @@
+ /*
+ Driver for Philips tda1004xh OFDM Frontend
+
+ (c) 2004 Andrew de Quincey
+
+ 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 TDA1004X_H
+#define TDA1004X_H
+
+#include <linux/dvb/frontend.h>
+#include <linux/firmware.h>
+
+struct tda1004x_config
+{
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* does the "inversion" need inverted? */
+ u8 invert:1;
+
+ /* Does the OCLK signal need inverted? */
+ u8 invert_oclk:1;
+
+ /* PLL maintenance */
+ int (*pll_init)(struct dvb_frontend* fe);
+ int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
+
+ /* request firmware for device */
+ int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
+};
+
+extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c);
+
+extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c);
+
+extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
+
+#endif // TDA1004X_H