OpenCloudOS-Kernel/drivers/i2c/busses/i2c-sibyte.c

71 lines
2.1 KiB
C

/*
* Copyright (C) 2004 Steven J. Hill
* Copyright (C) 2001,2002,2003 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/i2c-algo-sibyte.h>
#include <asm/sibyte/sb1250_regs.h>
#include <asm/sibyte/sb1250_smbus.h>
static struct i2c_algo_sibyte_data sibyte_board_data[2] = {
{ NULL, 0, (void *) (CKSEG1+A_SMB_BASE(0)) },
{ NULL, 1, (void *) (CKSEG1+A_SMB_BASE(1)) }
};
static struct i2c_adapter sibyte_board_adapter[2] = {
{
.owner = THIS_MODULE,
.id = I2C_HW_SIBYTE,
.class = I2C_CLASS_HWMON,
.algo = NULL,
.algo_data = &sibyte_board_data[0],
.name = "SiByte SMBus 0",
},
{
.owner = THIS_MODULE,
.id = I2C_HW_SIBYTE,
.class = I2C_CLASS_HWMON,
.algo = NULL,
.algo_data = &sibyte_board_data[1],
.name = "SiByte SMBus 1",
},
};
static int __init i2c_sibyte_init(void)
{
printk("i2c-swarm.o: i2c SMBus adapter module for SiByte board\n");
if (i2c_sibyte_add_bus(&sibyte_board_adapter[0], K_SMB_FREQ_100KHZ) < 0)
return -ENODEV;
if (i2c_sibyte_add_bus(&sibyte_board_adapter[1], K_SMB_FREQ_400KHZ) < 0)
return -ENODEV;
return 0;
}
static void __exit i2c_sibyte_exit(void)
{
i2c_sibyte_del_bus(&sibyte_board_adapter[0]);
i2c_sibyte_del_bus(&sibyte_board_adapter[1]);
}
module_init(i2c_sibyte_init);
module_exit(i2c_sibyte_exit);
MODULE_AUTHOR("Kip Walker <kwalker@broadcom.com>, Steven J. Hill <sjhill@realitydiluted.com>");
MODULE_DESCRIPTION("SMBus adapter routines for SiByte boards");
MODULE_LICENSE("GPL");