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Annotation of sys/dev/ic/tc921x.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: tc921x.h,v 1.3 2007/05/22 04:14:03 jsg Exp $  */
                      2:
                      3: /*
                      4:  * Copyright (c) 2001, 2002 Vladimir Popov <jumbo@narod.ru>.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     17:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     18:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
                     19:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
                     20:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
                     21:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
                     22:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     23:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
                     24:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     25:  */
                     26: /*
                     27:  * Toshiba's High Speed PLL for DTS
                     28:  *
                     29:  * TC9216P, TC9217P, TC9217F are a high speed PLL-LSI with built-in 2 modulus
                     30:  * prescaler. Each function is controlled through 3 serial bus lines and high
                     31:  * performance digital tuning system can be constituted.
                     32:  *
                     33:  */
                     34:
                     35: #ifndef _TC921X_H_
                     36: #define _TC921X_H_
                     37:
                     38: #include <sys/types.h>
                     39:
                     40: #include <machine/bus.h>
                     41:
                     42: #define TC921X_REGISTER_LENGTH 24
                     43:
                     44: /* Input Register at 0xD0 */
                     45: #define TC921X_D0_FREQ_DIVIDER                 0xFFFF
                     46:
                     47: /* (*) are only available at 4.5 MHz crystal resonator used */
                     48: #define TC921X_D0_REF_FREQ_500_HZ              (0x0 << 16)
                     49: #define TC921X_D0_REF_FREQ_1_KHZ               (0x1 << 16)
                     50: #define TC921X_D0_REF_FREQ_2P5_KHZ             (0x2 << 16)
                     51: #define TC921X_D0_REF_FREQ_3_KHZ               (0x3 << 16)
                     52: #define TC921X_D0_REF_FREQ_3P125_KHZ           (0x4 << 16)
                     53: #define TC921X_D0_REF_FREQ_3PXXX_KHZ           (0x5 << 16) /* (*) */
                     54: #define TC921X_D0_REF_FREQ_5_KHZ               (0x6 << 16)
                     55: #define TC921X_D0_REF_FREQ_6P25_KHZ            (0x7 << 16)
                     56: #define TC921X_D0_REF_FREQ_7PXXX_KHZ           (0x8 << 16) /* (*) */
                     57: #define TC921X_D0_REF_FREQ_9_KHZ               (0x9 << 16)
                     58: #define TC921X_D0_REF_FREQ_10_KHZ              (0xA << 16)
                     59: #define TC921X_D0_REF_FREQ_12P5_KHZ            (0xB << 16)
                     60: #define TC921X_D0_REF_FREQ_25_KHZ              (0xC << 16)
                     61: #define TC921X_D0_REF_FREQ_50_KHZ              (0xD << 16)
                     62: #define TC921X_D0_REF_FREQ_100_KHZ             (0xE << 16)
                     63: #define TC921X_D0_REF_FREQ_NOT_USED            (0xF << 16)
                     64:
                     65: #define TC921X_D0_DIRECT_DIVIDING_MODE         (0 << 20)
                     66: #define TC921X_D0_PULSE_SWALLOW_HF_MODE                (2 << 20)
                     67: #define TC921X_D0_PULSE_SWALLOW_FM_MODE                (1 << 20)
                     68: #define TC921X_D0_HALF_PULSE_SWALLOW_MODE      (3 << 20)
                     69:
                     70: #define TC921X_D0_OSC_7POINT2_MHZ              (1 << 22)
                     71: #define TC921X_D0_OSC_4POINT5_MHZ              (0 << 22)
                     72:
                     73: #define TC921X_D0_OUT_CONTROL_ON               (1 << 23)
                     74: #define TC921X_D0_OUT_CONTROL_OFF              (0 << 23)
                     75:
                     76: /* Input Register at 0xD2 */
                     77: #define TC921X_D2_GATE_TIME(x)                 (x << 0)
                     78: #define                TC921X_D2_GATE_TIME_1MS         TC921X_D2_GATE_TIME(0)
                     79: #define                TC921X_D2_GATE_TIME_4MS         TC921X_D2_GATE_TIME(1)
                     80: #define                TC921X_D2_GATE_TIME_16MS        TC921X_D2_GATE_TIME(2)
                     81: #define                TC921X_D2_GATE_TIME_MANUAL      TC921X_D2_GATE_TIME(3)
                     82:
                     83: #define TC921X_D2_COUNTER_MODE(x)              (x << 2)
                     84:
                     85: #define TC921X_D2_COUNTER_INPUT_SC             (1 << 5)
                     86: #define TC921X_D2_COUNTER_INPUT_HFC            (1 << 6)
                     87: #define TC921X_D2_COUNTER_INPUT_LFC            (1 << 7)
                     88:
                     89: #define TC921X_D2_START_BIT                    (1 << 8)
                     90: #define TC921X_D2_TEST_BIT                     (1 << 9)
                     91:
                     92: #define TC921X_D2_IO_PORT(x)                   (x << 10)
                     93: #define TC921X_D2_IO_PORT_OUTPUT(x)            (x << 15)
                     94: #define TC921X_D2_IO_PORT_INPUT(x)             (x << 19)
                     95:
                     96: struct tc921x_t {
                     97:        bus_space_tag_t iot;
                     98:        bus_space_handle_t      ioh;
                     99:        bus_size_t      offset;
                    100:
                    101:        u_int8_t        period;
                    102:        u_int8_t        clock;
                    103:        u_int8_t        data;
                    104: };
                    105:
                    106: void   tc921x_write_addr(struct tc921x_t *, u_int8_t, u_int32_t);
                    107: u_int32_t      tc921x_read_addr(struct tc921x_t *, u_int8_t);
                    108: u_int32_t      tc921x_encode_freq(u_int32_t);
                    109: u_int32_t      tc921x_decode_freq(u_int32_t);
                    110:
                    111: #endif /* _TC921X_H_ */