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/*
tea6420.h - definitions for the i2c-driver
for the tea6420 by SGS Thomson
Copyright (C) 1998,1999,2000 Michael Hunold <michael@mihu.de>
The tea6420 is a bus controlled audio-matrix with 5 stereo inputs,
4 stereo outputs and gain control for each output.
It is cascadable, i.e. it can be found at the adresses 0x98
and 0x9a on the i2c-bus.
For detailed informations download the specifications directly
from SGS Thomson at http://www.st.com
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 __INCLUDED_TEA6420__
#define __INCLUDED_TEA6420__
/* possible addresses */
#define I2C_TEA6420_1 0x4c
#define I2C_TEA6420_2 0x4d
struct audio_multiplex
{
int in; /* input of audio switch */
int out; /* output of audio switch */
int gain; /* gain of connection */
};
#define TEA6420_SWITCH _IOW('t',1,struct audio_multiplex)
#endif
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