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      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 (at) 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