90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/* $NetBSD: tea5757.h,v 1.1 2002/01/01 21:51:40 augustss Exp $ */
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/* $OpenBSD: tea5757.h,v 1.2 2001/12/06 16:28:18 mickey Exp $ */
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/* $RuOBSD: tea5757.h,v 1.2 2001/10/18 16:51:36 pva Exp $ */
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/*
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* Copyright (c) 2001 Vladimir Popov <jumbo@narod.ru>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TEA5757_H_
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#define _TEA5757_H_
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#include <sys/types.h>
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#include <machine/bus.h>
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#define TEA5757_REGISTER_LENGTH 25
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#define TEA5757_FREQ 0x0007FFF
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#define TEA5757_DATA 0x1FF8000
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#define TEA5757_SEARCH_START (1 << 24) /* 0x1000000 */
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#define TEA5757_SEARCH_END (0 << 24) /* 0x0000000 */
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#define TEA5757_SEARCH_UP (1 << 23) /* 0x0800000 */
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#define TEA5757_SEARCH_DOWN (0 << 23) /* 0x0000000 */
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#define TEA5757_ACQUISITION_DELAY 100000
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#define TEA5757_WAIT_DELAY 1000
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#define TEA5757_SEARCH_DELAY 14 /* 14 microseconds */
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#define TEA5757_STEREO (0 << 22) /* 0x0000000 */
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#define TEA5757_MONO (1 << 22) /* 0x0400000 */
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#define TEA5757_BAND_FM (0 << 20)
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#define TEA5757_BAND_MW (1 << 20)
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#define TEA5757_BAND_LW (2 << 20)
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#define TEA5757_BAND_SW (3 << 20)
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#define TEA5757_USER_PORT (0 << 18)
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#define TEA5757_DUMMY (0 << 15)
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#define TEA5757_S005 (0 << 16) /* 0x0000000 * > 5 mkV */
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#define TEA5757_S010 (2 << 16) /* 0x0020000 * > 10 mkV */
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#define TEA5757_S030 (1 << 16) /* 0x0010000 * > 30 mkV */
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#define TEA5757_S150 (3 << 16) /* 0x0030000 * > 150 mkV */
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struct tea5757_t {
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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bus_size_t offset;
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void (*init)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
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u_int32_t); /* init value */
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void (*rset)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
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u_int32_t); /* reset value */
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void (*write_bit)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
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int); /* the bit */
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u_int32_t (*read)(bus_space_tag_t, bus_space_handle_t, bus_size_t);
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};
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u_int32_t tea5757_encode_freq(u_int32_t);
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u_int32_t tea5757_decode_freq(u_int32_t);
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u_int32_t tea5757_encode_lock(u_int8_t);
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u_int8_t tea5757_decode_lock(u_int32_t);
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u_int32_t tea5757_set_freq(struct tea5757_t *, u_int32_t, u_int32_t, u_int32_t);
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void tea5757_search(struct tea5757_t *, u_int32_t, u_int32_t, int);
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void tea5757_hardware_write(struct tea5757_t *, u_int32_t);
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#endif /* _TEA5757_H_ */
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