1 /* $NetBSD: tea5757.h,v 1.1 2002/01/01 21:51:40 augustss Exp $ */ 2 /* $OpenBSD: tea5757.h,v 1.2 2001/12/06 16:28:18 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 <machine/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 struct tea5757_t { 66 bus_space_tag_t iot; 67 bus_space_handle_t ioh; 68 bus_size_t offset; 69 70 void (*init)(bus_space_tag_t, bus_space_handle_t, bus_size_t, 71 u_int32_t); /* init value */ 72 void (*rset)(bus_space_tag_t, bus_space_handle_t, bus_size_t, 73 u_int32_t); /* reset value */ 74 void (*write_bit)(bus_space_tag_t, bus_space_handle_t, bus_size_t, 75 int); /* the bit */ 76 u_int32_t (*read)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 77 }; 78 79 u_int32_t tea5757_encode_freq(u_int32_t); 80 u_int32_t tea5757_decode_freq(u_int32_t); 81 u_int32_t tea5757_encode_lock(u_int8_t); 82 u_int8_t tea5757_decode_lock(u_int32_t); 83 84 u_int32_t tea5757_set_freq(struct tea5757_t *, u_int32_t, u_int32_t, u_int32_t); 85 void tea5757_search(struct tea5757_t *, u_int32_t, u_int32_t, int); 86 87 void tea5757_hardware_write(struct tea5757_t *, u_int32_t); 88 89 #endif /* _TEA5757_H_ */ 90