1 /* $NetBSD: tea5757.h,v 1.3 2007/10/19 12:00:03 ad Exp $ */
2 /*	$OpenBSD: tea5757.h,v 1.3 2002/01/07 18:32:19 mickey Exp $	*/
3 /* $RuOBSD: tea5757.h,v 1.2 2001/10/18 16:51:36 pva Exp $ */
4 
5 /*
6  * Copyright (c) 2001 Vladimir Popov <jumbo@narod.ru>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _TEA5757_H_
30 #define _TEA5757_H_
31 
32 #include <sys/types.h>
33 
34 #include <sys/bus.h>
35 
36 #define TEA5757_REGISTER_LENGTH		25
37 #define TEA5757_FREQ			0x0007FFF
38 #define TEA5757_DATA			0x1FF8000
39 
40 #define TEA5757_SEARCH_START		(1 << 24) /* 0x1000000 */
41 #define TEA5757_SEARCH_END		(0 << 24) /* 0x0000000 */
42 
43 #define TEA5757_SEARCH_UP		(1 << 23) /* 0x0800000 */
44 #define TEA5757_SEARCH_DOWN		(0 << 23) /* 0x0000000 */
45 #define TEA5757_ACQUISITION_DELAY	100000
46 #define TEA5757_WAIT_DELAY		1000
47 #define TEA5757_SEARCH_DELAY		14	  /* 14 microseconds */
48 
49 #define TEA5757_STEREO			(0 << 22) /* 0x0000000 */
50 #define TEA5757_MONO			(1 << 22) /* 0x0400000 */
51 
52 #define TEA5757_BAND_FM			(0 << 20)
53 #define TEA5757_BAND_MW			(1 << 20)
54 #define TEA5757_BAND_LW			(2 << 20)
55 #define TEA5757_BAND_SW			(3 << 20)
56 
57 #define TEA5757_USER_PORT		(0 << 18)
58 #define TEA5757_DUMMY			(0 << 15)
59 
60 #define TEA5757_S005			(0 << 16) /* 0x0000000 * > 5 mkV */
61 #define TEA5757_S010			(2 << 16) /* 0x0020000 * > 10 mkV */
62 #define TEA5757_S030			(1 << 16) /* 0x0010000 * > 30 mkV */
63 #define TEA5757_S150			(3 << 16) /* 0x0030000 * > 150 mkV */
64 
65 #define TEA5757_TEA5759			(1 << 0)
66 
67 struct tea5757_t {
68 	bus_space_tag_t	iot;
69 	bus_space_handle_t	ioh;
70 	bus_size_t	offset;
71 	int	flags;
72 
73 	void	(*init)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
74 			u_int32_t); /* init value */
75 	void	(*rset)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
76 			u_int32_t); /* reset value */
77 	void	(*write_bit)(bus_space_tag_t, bus_space_handle_t, bus_size_t,
78 			int); /* the bit */
79 	u_int32_t	(*read)(bus_space_tag_t, bus_space_handle_t, bus_size_t);
80 };
81 
82 u_int32_t	tea5757_encode_freq(u_int32_t, int);
83 u_int32_t	tea5757_decode_freq(u_int32_t, int);
84 u_int32_t	tea5757_encode_lock(u_int8_t);
85 u_int8_t	tea5757_decode_lock(u_int32_t);
86 
87 u_int32_t	tea5757_set_freq(struct tea5757_t *, u_int32_t, u_int32_t, u_int32_t);
88 void	tea5757_search(struct tea5757_t *, u_int32_t, u_int32_t, int);
89 
90 void	tea5757_hardware_write(struct tea5757_t *, u_int32_t);
91 
92 #endif /* _TEA5757_H_ */
93