Annotation of sys/arch/macppc/dev/kiicvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: kiicvar.h,v 1.2 2007/05/20 23:38:52 thib Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 2001 Tsubai Masanari. All rights reserved.
! 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: * 3. The name of the author may not be used to endorse or promote products
! 15: * derived from this software without specific prior written permission.
! 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,
! 21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
! 26: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29: #ifndef KIICVAR_H
! 30: #define KIICVAR_H
! 31:
! 32: #include <sys/param.h>
! 33: #include <sys/device.h>
! 34: #include <sys/systm.h>
! 35: #include <sys/rwlock.h>
! 36:
! 37: #include <dev/i2c/i2cvar.h>
! 38:
! 39: /* Keywest I2C Register offsets */
! 40: #define MODE 0
! 41: #define CONTROL 1
! 42: #define STATUS 2
! 43: #define ISR 3
! 44: #define IER 4
! 45: #define ADDR 5
! 46: #define SUBADDR 6
! 47: #define DATA 7
! 48:
! 49: /* MODE */
! 50: #define I2C_SPEED 0x03 /* Speed mask */
! 51: #define I2C_100kHz 0x00
! 52: #define I2C_50kHz 0x01
! 53: #define I2C_25kHz 0x02
! 54: #define I2C_MODE 0x0c /* Mode mask */
! 55: #define I2C_DUMBMODE 0x00 /* Dumb mode */
! 56: #define I2C_STDMODE 0x04 /* Standard mode */
! 57: #define I2C_STDSUBMODE 0x08 /* Standard mode + sub address */
! 58: #define I2C_COMBMODE 0x0c /* Combined mode */
! 59: #define I2C_PORT 0xf0 /* Port mask */
! 60: #define I2C_BUS1 0x10 /* choose Bus 1 */
! 61:
! 62: /* CONTROL */
! 63: #define I2C_CT_AAK 0x01 /* Send AAK */
! 64: #define I2C_CT_ADDR 0x02 /* Send address(es) */
! 65: #define I2C_CT_STOP 0x04 /* Send STOP */
! 66: #define I2C_CT_START 0x08 /* Send START */
! 67:
! 68: /* STATUS */
! 69: #define I2C_ST_BUSY 0x01 /* Busy */
! 70: #define I2C_ST_LASTAAK 0x02 /* Last AAK */
! 71: #define I2C_ST_LASTRW 0x04 /* Last R/W */
! 72: #define I2C_ST_SDA 0x08 /* SDA */
! 73: #define I2C_ST_SCL 0x10 /* SCL */
! 74:
! 75: /* ISR/IER */
! 76: #define I2C_INT_DATA 0x01 /* Data byte sent/received */
! 77: #define I2C_INT_ADDR 0x02 /* Address sent */
! 78: #define I2C_INT_STOP 0x04 /* STOP condition sent */
! 79: #define I2C_INT_START 0x08 /* START condition sent */
! 80:
! 81: /* I2C flags */
! 82: #define I2C_BUSY 0x01
! 83: #define I2C_READING 0x02
! 84: #define I2C_ERROR 0x04
! 85:
! 86: #define KIIC_MAX_BUSSES 2
! 87:
! 88: struct kiic_softc {
! 89: struct device sc_dev;
! 90: paddr_t sc_paddr;
! 91: u_char *sc_reg;
! 92: int sc_regstep;
! 93:
! 94: struct rwlock sc_buslock;
! 95: struct kiic_bus {
! 96: struct kiic_softc *sc;
! 97: struct i2c_controller i2c_tag;
! 98: u_int32_t reg;
! 99: } sc_bus[KIIC_MAX_BUSSES];
! 100:
! 101: int sc_flags;
! 102: u_char *sc_data;
! 103: int sc_resid;
! 104: };
! 105:
! 106: #endif
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