diff options
Diffstat (limited to 'drivers/video/via/via_i2c.h')
| -rw-r--r-- | drivers/video/via/via_i2c.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/video/via/via_i2c.h b/drivers/video/via/via_i2c.h new file mode 100644 index 000000000000..3a13242a3152 --- /dev/null +++ b/drivers/video/via/via_i2c.h @@ -0,0 +1,46 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * 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, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; 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. + */ +#ifndef __VIA_I2C_H__ +#define __VIA_I2C_H__ + +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> + +struct via_i2c_stuff { + u16 i2c_port; /* GPIO or I2C port */ + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; + +#define I2CPORT 0x3c4 +#define I2CPORTINDEX 0x31 +#define GPIOPORT 0x3C4 +#define GPIOPORTINDEX 0x2C +#define I2C_BUS 1 +#define GPIO_BUS 2 +#define DELAYPORT 0x3C3 + +int viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata); +int viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data); +int viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len); +int viafb_create_i2c_bus(void *par); +void viafb_delete_i2c_buss(void *par); +#endif /* __VIA_I2C_H__ */ |