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_ */ 92