| /* |
| Auvitek AU8522 QAM/8VSB demodulator driver |
| |
| Copyright (C) 2008 Steven Toth <stoth@linuxtv.org> |
| Copyright (C) 2008 Devin Heitmueller <dheitmueller@linuxtv.org> |
| Copyright (C) 2005-2008 Auvitek International, 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. |
| |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/string.h> |
| #include <linux/slab.h> |
| #include <linux/delay.h> |
| #include <linux/videodev2.h> |
| #include <media/v4l2-device.h> |
| #include <linux/i2c.h> |
| #include "dvb_frontend.h" |
| #include "au8522.h" |
| #include "tuner-i2c.h" |
| |
| struct au8522_state { |
| struct i2c_adapter *i2c; |
| |
| /* configuration settings */ |
| const struct au8522_config *config; |
| |
| struct dvb_frontend frontend; |
| |
| u32 current_frequency; |
| fe_modulation_t current_modulation; |
| |
| u32 fe_status; |
| unsigned int led_state; |
| }; |
| |
| /* These are routines shared by both the VSB/QAM demodulator and the analog |
| decoder */ |
| int au8522_writereg(struct au8522_state *state, u16 reg, u8 data); |
| u8 au8522_readreg(struct au8522_state *state, u16 reg); |
| int au8522_init(struct dvb_frontend *fe); |
| int au8522_sleep(struct dvb_frontend *fe); |