/* $NetBSD: lm700x.h,v 1.2 2007/10/19 11:59:55 ad Exp $ */ /* $OpenBSD: lm700x.h,v 1.2 2001/12/06 16:28:18 mickey Exp $ */ /* $RuOBSD: lm700x.h,v 1.2 2001/10/18 16:51:36 pva Exp $ */ /* * Copyright (c) 2001 Vladimir Popov <jumbo@narod.ru> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _LM700X_H_ #define _LM700X_H_ #include <sys/types.h> #include <sys/bus.h> #define LM700X_REGISTER_LENGTH 24 #define LM700X_DATA_MASK 0xFFC000 #define LM700X_FREQ_MASK 0x003FFF #define LM700X_FREQ(x) (x << 0) /* 0x003FFF */ #define LM700X_LSI(x) (x << 14) /* 0x00C000 */ /* always zero */ #define LM700X_BAND(x) (x << 16) /* 0x070000 */ #define LM700X_STEREO LM700X_BAND(3) #define LM700X_MONO LM700X_BAND(1) #define LM700X_TIME_BASE(x) (x << 19) /* 0x080000 */ /* always zero */ #define LM700X_REF_FREQ(x) (x << 20) /* 0x700000 */ #define LM700X_REF_100 LM700X_REF_FREQ(0) #define LM700X_REF_025 LM700X_REF_FREQ(2) #define LM700X_REF_050 LM700X_REF_FREQ(4) /* The rest is for an AM band */ #define LM700X_DIVIDER_AM (0 << 23) /* 0x000000 */ #define LM700X_DIVIDER_FM (1 << 23) /* 0x800000 */ #define LM700X_WRITE_DELAY 6 /* 6 microseconds */ struct lm700x_t { bus_space_tag_t iot; bus_space_handle_t ioh; bus_size_t offset; u_int32_t wzcl; /* write zero clock low */ u_int32_t wzch; /* write zero clock high */ u_int32_t wocl; /* write one clock low */ u_int32_t woch; /* write one clock high */ u_int32_t initdata; u_int32_t rsetdata; void (*init)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); void (*rset)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); }; u_int32_t lm700x_encode_freq(u_int32_t, u_int32_t); u_int32_t lm700x_encode_ref(u_int8_t); u_int8_t lm700x_decode_ref(u_int32_t); void lm700x_hardware_write(struct lm700x_t *, u_int32_t, u_int32_t); #endif /* _LM700X_H_ */ |