2 * Copyright (c) 2014 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #ifndef _BUS_SMBUS_INTELGEN4_IG4_VAR_H_
36 #define _BUS_SMBUS_INTELGEN4_IG4_VAR_H_
39 #include "device_if.h"
44 #define IG4_RBUFSIZE 128
45 #define IG4_RBUFMASK (IG4_RBUFSIZE - 1)
47 enum ig4_op { IG4_IDLE, IG4_READ, IG4_WRITE };
52 struct resource *regs_res;
54 bus_space_tag_t regs_t;
55 bus_space_handle_t regs_h;
56 struct resource *intr_res;
64 char rbuf[IG4_RBUFSIZE];
68 int generic_attached : 1;
72 int write_started : 1;
76 typedef struct ig4iic_softc ig4iic_softc_t;
78 /* Attach/Detach called from ig4iic_pci_*() */
79 int ig4iic_attach(ig4iic_softc_t *sc);
80 int ig4iic_detach(ig4iic_softc_t *sc);
83 extern smbus_callback_t ig4iic_smb_callback;
84 extern smbus_quick_t ig4iic_smb_quick;
85 extern smbus_sendb_t ig4iic_smb_sendb;
86 extern smbus_recvb_t ig4iic_smb_recvb;
87 extern smbus_writeb_t ig4iic_smb_writeb;
88 extern smbus_writew_t ig4iic_smb_writew;
89 extern smbus_readb_t ig4iic_smb_readb;
90 extern smbus_readw_t ig4iic_smb_readw;
91 extern smbus_pcall_t ig4iic_smb_pcall;
92 extern smbus_bwrite_t ig4iic_smb_bwrite;
93 extern smbus_bread_t ig4iic_smb_bread;
94 extern smbus_trans_t ig4iic_smb_trans;