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/* $OpenBSD: tea5757.h,v 1.3 2002/01/07 18:32:19 mickey Exp $ */
/* $RuOBSD: tea5757.h,v 1.2 2001/10/18 16:51:36 pva Exp $ */
/*
* Copyright (c) 2001 Vladimir Popov <jumbo@narod.ru>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TEA5757_H_
#define _TEA5757_H_
#include <sys/types.h>
#include <machine/bus.h>
#define TEA5757_REGISTER_LENGTH 25
#define TEA5757_FREQ 0x0007FFF
#define TEA5757_DATA 0x1FF8000
#define TEA5757_SEARCH_START (1 << 24) /* 0x1000000 */
#define TEA5757_SEARCH_END (0 << 24) /* 0x0000000 */
#define TEA5757_SEARCH_UP (1 << 23) /* 0x0800000 */
#define TEA5757_SEARCH_DOWN (0 << 23) /* 0x0000000 */
#define TEA5757_ACQUISITION_DELAY 100000
#define TEA5757_WAIT_DELAY 1000
#define TEA5757_SEARCH_DELAY 14 /* 14 microseconds */
#define TEA5757_STEREO (0 << 22) /* 0x0000000 */
#define TEA5757_MONO (1 << 22) /* 0x0400000 */
#define TEA5757_BAND_FM (0 << 20)
#define TEA5757_BAND_MW (1 << 20)
#define TEA5757_BAND_LW (2 << 20)
#define TEA5757_BAND_SW (3 << 20)
#define TEA5757_USER_PORT (0 << 18)
#define TEA5757_DUMMY (0 << 15)
#define TEA5757_S005 (0 << 16) /* 0x0000000 * > 5 mkV */
#define TEA5757_S010 (2 << 16) /* 0x0020000 * > 10 mkV */
#define TEA5757_S030 (1 << 16) /* 0x0010000 * > 30 mkV */
#define TEA5757_S150 (3 << 16) /* 0x0030000 * > 150 mkV */
#define TEA5757_TEA5759 (1 << 0)
struct tea5757_t {
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_size_t offset;
int flags;
void (*init)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
u_int32_t); /* init value */
void (*rset)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
u_int32_t); /* reset value */
void (*write_bit)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
int); /* the bit */
u_int32_t (*read)(bus_space_tag_t, bus_space_handle_t, bus_size_t);
};
u_int32_t tea5757_encode_freq(u_int32_t, int);
u_int32_t tea5757_decode_freq(u_int32_t, int);
u_int32_t tea5757_encode_lock(u_int8_t);
u_int8_t tea5757_decode_lock(u_int32_t);
u_int32_t tea5757_set_freq(struct tea5757_t *, u_int32_t, u_int32_t, u_int32_t);
void tea5757_search(struct tea5757_t *, u_int32_t, u_int32_t, int);
void tea5757_hardware_write(struct tea5757_t *, u_int32_t);
#endif /* _TEA5757_H_ */
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