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