diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/i2c/busses/i2c-designware-core.h')
| -rw-r--r-- | ANDROID_3.4.5/drivers/i2c/busses/i2c-designware-core.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/ANDROID_3.4.5/drivers/i2c/busses/i2c-designware-core.h b/ANDROID_3.4.5/drivers/i2c/busses/i2c-designware-core.h deleted file mode 100644 index 02d1a2dd..00000000 --- a/ANDROID_3.4.5/drivers/i2c/busses/i2c-designware-core.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Synopsys DesignWare I2C adapter driver (master only). - * - * Based on the TI DAVINCI I2C adapter driver. - * - * Copyright (C) 2006 Texas Instruments. - * Copyright (C) 2007 MontaVista Software Inc. - * Copyright (C) 2009 Provigent Ltd. - * - * ---------------------------------------------------------------------------- - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * ---------------------------------------------------------------------------- - * - */ - - -#define DW_IC_CON_MASTER 0x1 -#define DW_IC_CON_SPEED_STD 0x2 -#define DW_IC_CON_SPEED_FAST 0x4 -#define DW_IC_CON_10BITADDR_MASTER 0x10 -#define DW_IC_CON_RESTART_EN 0x20 -#define DW_IC_CON_SLAVE_DISABLE 0x40 - - -/** - * struct dw_i2c_dev - private i2c-designware data - * @dev: driver model device node - * @base: IO registers pointer - * @cmd_complete: tx completion indicator - * @lock: protect this struct and IO registers - * @clk: input reference clock - * @cmd_err: run time hadware error code - * @msgs: points to an array of messages currently being transfered - * @msgs_num: the number of elements in msgs - * @msg_write_idx: the element index of the current tx message in the msgs - * array - * @tx_buf_len: the length of the current tx buffer - * @tx_buf: the current tx buffer - * @msg_read_idx: the element index of the current rx message in the msgs - * array - * @rx_buf_len: the length of the current rx buffer - * @rx_buf: the current rx buffer - * @msg_err: error status of the current transfer - * @status: i2c master status, one of STATUS_* - * @abort_source: copy of the TX_ABRT_SOURCE register - * @irq: interrupt number for the i2c master - * @adapter: i2c subsystem adapter node - * @tx_fifo_depth: depth of the hardware tx fifo - * @rx_fifo_depth: depth of the hardware rx fifo - */ -struct dw_i2c_dev { - struct device *dev; - void __iomem *base; - struct completion cmd_complete; - struct mutex lock; - struct clk *clk; - u32 (*get_clk_rate_khz) (struct dw_i2c_dev *dev); - struct dw_pci_controller *controller; - int cmd_err; - struct i2c_msg *msgs; - int msgs_num; - int msg_write_idx; - u32 tx_buf_len; - u8 *tx_buf; - int msg_read_idx; - u32 rx_buf_len; - u8 *rx_buf; - int msg_err; - unsigned int status; - u32 abort_source; - int irq; - int swab; - struct i2c_adapter adapter; - u32 functionality; - u32 master_cfg; - unsigned int tx_fifo_depth; - unsigned int rx_fifo_depth; -}; - -extern u32 dw_readl(struct dw_i2c_dev *dev, int offset); -extern void dw_writel(struct dw_i2c_dev *dev, u32 b, int offset); -extern int i2c_dw_init(struct dw_i2c_dev *dev); -extern int i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], - int num); -extern u32 i2c_dw_func(struct i2c_adapter *adap); -extern irqreturn_t i2c_dw_isr(int this_irq, void *dev_id); -extern void i2c_dw_enable(struct dw_i2c_dev *dev); -extern u32 i2c_dw_is_enabled(struct dw_i2c_dev *dev); -extern void i2c_dw_disable(struct dw_i2c_dev *dev); -extern void i2c_dw_clear_int(struct dw_i2c_dev *dev); -extern void i2c_dw_disable_int(struct dw_i2c_dev *dev); -extern u32 i2c_dw_read_comp_param(struct dw_i2c_dev *dev); |