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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [i2c/] [i2c-sibyte.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 1275 phoenix
/*
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 * Copyright (C) 2001,2002,2003 Broadcom Corporation
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 */
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <asm/sibyte/sb1250_regs.h>
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#include <asm/sibyte/sb1250_smbus.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-sibyte.h>
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static int sibyte_reg(struct i2c_client *client)
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{
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        return 0;
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}
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static int sibyte_unreg(struct i2c_client *client)
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{
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        return 0;
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}
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static void sibyte_inc_use(struct i2c_adapter *adap)
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{
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#ifdef MODULE
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        MOD_INC_USE_COUNT;
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#endif
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}
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static void sibyte_dec_use(struct i2c_adapter *adap)
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{
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#ifdef MODULE
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        MOD_DEC_USE_COUNT;
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#endif
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}
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static struct i2c_algo_sibyte_data sibyte_board_data[2] = {
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        { NULL, 0, (void *)(KSEG1+A_SMB_BASE(0)) },
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        { NULL, 1, (void *)(KSEG1+A_SMB_BASE(1)) }
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};
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static struct i2c_adapter sibyte_board_adapter[2] = {
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        {
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                name:              "SiByte SMBus 0",
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                id:                I2C_HW_SIBYTE,
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                algo:              NULL,
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                algo_data:         &sibyte_board_data[0],
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                inc_use:           sibyte_inc_use,
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                dec_use:           sibyte_dec_use,
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                client_register:   sibyte_reg,
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                client_unregister: sibyte_unreg,
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                client_count:      0
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        } ,
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        {
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                name:              "SiByte SMBus 1",
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                id:                I2C_HW_SIBYTE,
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                algo:              NULL,
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                algo_data:         &sibyte_board_data[1],
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                inc_use:           sibyte_inc_use,
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                dec_use:           sibyte_dec_use,
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                client_register:   sibyte_reg,
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                client_unregister: sibyte_unreg,
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                client_count:      0
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        }
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};
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int __init i2c_sibyte_init(void)
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{
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        printk("i2c-swarm.o: i2c SMBus adapter module for SiByte board\n");
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        if (i2c_sibyte_add_bus(&sibyte_board_adapter[0], K_SMB_FREQ_100KHZ) < 0)
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                return -ENODEV;
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        if (i2c_sibyte_add_bus(&sibyte_board_adapter[1], K_SMB_FREQ_400KHZ) < 0)
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                return -ENODEV;
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        return 0;
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}
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EXPORT_NO_SYMBOLS;
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#ifdef MODULE
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MODULE_AUTHOR("Kip Walker, Broadcom Corp.");
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MODULE_DESCRIPTION("SMBus adapter routines for SiByte boards");
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MODULE_LICENSE("GPL");
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int init_module(void)
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{
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        return i2c_sibyte_init();
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}
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void cleanup_module(void)
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{
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        i2c_sibyte_del_bus(&sibyte_board_adapter[0]);
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        i2c_sibyte_del_bus(&sibyte_board_adapter[1]);
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}
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#endif

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