/*

				LMC1992 Digitally-Controlled Stereo Tone and Volume
					Circuit with Four-Channel Input-Selector

								________________
				  Data	 1	---|	   \/		|---  28  V+
			     Clock	 2	---|				|---  27  Bypass
			    Enable	 3	---|				|---  26  Right Input 1
		  Left Input 1	 4	---|				|---  25  Right Input 2
		  Left Input 2	 5	---|				|---  24  Right Input 3
		  Left Input 3	 6	---|	        	|---  23  Right Input 4
		  Left Input 4	 7	---|	LMC1992 	|---  22  Right Select Out
	   Left Select Out	 8	---|	top view	|---  21  Right Select In
		Left Select In	 9	---|				|---  20  Right Tone In
		  Left Tone In	10	---|			    |---  19  Right Tone Out
		 Left Tone Out	11	---|				|---  18  Right Op Amp Out
	   Left Op Amp Out	12	---|				|---  17  Right Rear Out
		 Left Rear Out	13  ---|				|---  16  Right Front Out
		Left Front Out	14	---|________________|---  15  Ground

*/

#ifndef __LMC1992_AUDIO__
#define __LMC1992_AUDIO__

#include "driver.h"

typedef struct
{
	int dummy;
	// left input 1
	// left input 2
	// left input 3
	// left input 4
	// right input 1
	// right input 2
	// right input 3
	// right input 4
} lmc1992_interface;

enum
{
	LMC1992_FUNCTION_INPUT_SELECT = 0,
	LMC1992_FUNCTION_BASS,
	LMC1992_FUNCTION_TREBLE,
	LMC1992_FUNCTION_VOLUME,
	LMC1992_FUNCTION_RIGHT_FRONT_FADER,
	LMC1992_FUNCTION_LEFT_FRONT_FADER,
	LMC1992_FUNCTION_RIGHT_REAR_FADER,
	LMC1992_FUNCTION_LEFT_REAR_FADER
};

enum
{
	LCM1992_INPUT_SELECT_OPEN = 0,
	LCM1992_INPUT_SELECT_INPUT1,
	LCM1992_INPUT_SELECT_INPUT2,
	LCM1992_INPUT_SELECT_INPUT3,
	LCM1992_INPUT_SELECT_INPUT4
};

#define LMC1992_MICROWIRE_DEVICE_ADDRESS	2

void lmc1992_clock_w(int level);
void lmc1992_data_w(int level);
void lmc1992_enable_w(int level);

void lmc1992_config(const lmc1992_interface *intf);

#endif