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Annotation of sys/arch/macppc/dev/kiicvar.h, Revision 1.1.1.1

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