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Annotation of sys/dev/ic/tea5757.h, Revision 1.1.1.1

1.1       nbrk        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_ */