diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.h')
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.h b/drivers/i2c/busses/i2c-mxs.h new file mode 100644 index 000000000000..1a35385b793b --- /dev/null +++ b/drivers/i2c/busses/i2c-mxs.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2009-2010 Freescale Semiconductor, 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 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _I2C_H +#define _I2C_H + +#define I2C_READ 1 +#define I2C_WRITE 0 + +struct mxs_i2c_dev { + struct device *dev; + void *buf; + unsigned long regbase; + u32 flags; +#define MXS_I2C_DMA_MODE 0x1 +#define MXS_I2C_PIOQUEUE_MODE 0x2 + int dma_chan; + int irq_dma; + int irq_err; + struct completion cmd_complete; + u32 cmd_err; + struct i2c_adapter adapter; + spinlock_t lock; + wait_queue_head_t queue; + struct work_struct work; +}; +#endif |