diff options
Diffstat (limited to 'drivers/media/video/tuner-i2c.h')
-rw-r--r-- | drivers/media/video/tuner-i2c.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/media/video/tuner-i2c.h b/drivers/media/video/tuner-i2c.h deleted file mode 100644 index de52e8f..0000000 --- a/drivers/media/video/tuner-i2c.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - tuner-i2c.h - i2c interface for different tuners - - Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org) - - 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. -*/ - -#ifndef __TUNER_I2C_H__ -#define __TUNER_I2C_H__ - -#include <linux/i2c.h> - -struct tuner_i2c_props { - u8 addr; - struct i2c_adapter *adap; -}; - -static inline int tuner_i2c_xfer_send(struct tuner_i2c_props *props, char *buf, int len) -{ - struct i2c_msg msg = { .addr = props->addr, .flags = 0, - .buf = buf, .len = len }; - int ret = i2c_transfer(props->adap, &msg, 1); - - return (ret == 1) ? len : ret; -} - -static inline int tuner_i2c_xfer_recv(struct tuner_i2c_props *props, char *buf, int len) -{ - struct i2c_msg msg = { .addr = props->addr, .flags = I2C_M_RD, - .buf = buf, .len = len }; - int ret = i2c_transfer(props->adap, &msg, 1); - - return (ret == 1) ? len : ret; -} - -static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props, - char *obuf, int olen, - char *ibuf, int ilen) -{ - struct i2c_msg msg[2] = { { .addr = props->addr, .flags = 0, - .buf = obuf, .len = olen }, - { .addr = props->addr, .flags = I2C_M_RD, - .buf = ibuf, .len = ilen } }; - int ret = i2c_transfer(props->adap, msg, 2); - - return (ret == 2) ? ilen : ret; -} - -#define tuner_warn(fmt, arg...) do { \ - printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \ - i2c_adapter_id(priv->i2c_props.adap), \ - priv->i2c_props.addr, ##arg); \ - } while (0) - -#define tuner_info(fmt, arg...) do { \ - printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \ - i2c_adapter_id(priv->i2c_props.adap), \ - priv->i2c_props.addr , ##arg); \ - } while (0) - -#define tuner_err(fmt, arg...) do { \ - printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \ - i2c_adapter_id(priv->i2c_props.adap), \ - priv->i2c_props.addr , ##arg); \ - } while (0) - -#define tuner_dbg(fmt, arg...) do { \ - if ((debug)) \ - printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \ - i2c_adapter_id(priv->i2c_props.adap), \ - priv->i2c_props.addr , ##arg); \ - } while (0) - -#endif /* __TUNER_I2C_H__ */ |