Annotation of sys/dev/ic/tc921x.h, Revision 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_ */
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