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209fdf66b8
Make use of the hybrid tuner framework so the analog and digital parts of the au8522 demodulator can make use of the same shared state. Thanks to Michael Krufky <mkrufky@linuxtv.org> and Steven Toth <stoth@linuxtv.org> for providing sample hardware, engineering level support, and testing. Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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Auvitek AU8522 QAM/8VSB demodulator driver
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Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
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Copyright (C) 2008 Devin Heitmueller <dheitmueller@linuxtv.org>
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Copyright (C) 2005-2008 Auvitek International, Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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#include "au8522.h"
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#include "tuner-i2c.h"
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struct au8522_state {
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struct i2c_adapter *i2c;
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/* Used for sharing of the state between analog and digital mode */
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struct tuner_i2c_props i2c_props;
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struct list_head hybrid_tuner_instance_list;
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/* configuration settings */
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const struct au8522_config *config;
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struct dvb_frontend frontend;
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u32 current_frequency;
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fe_modulation_t current_modulation;
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u32 fe_status;
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unsigned int led_state;
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};
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/* These are routines shared by both the VSB/QAM demodulator and the analog
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decoder */
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int au8522_writereg(struct au8522_state *state, u16 reg, u8 data);
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u8 au8522_readreg(struct au8522_state *state, u16 reg);
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int au8522_init(struct dvb_frontend *fe);
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int au8522_sleep(struct dvb_frontend *fe);
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int au8522_get_state(struct au8522_state **state, struct i2c_adapter *i2c,
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u8 client_address);
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void au8522_release_state(struct au8522_state *state);
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