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8153c3b7d8
Currently, DVB-T is broken and this fixes it. The PVRUSB2 has an odd I2C bus configuration where opening the i2c gate on the digital and analog demod causes the tuner to fail. This needs to be protected against for the PVRUSB2. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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NXP TDA10048HN DVB OFDM demodulator driver
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Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
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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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#ifndef TDA10048_H
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#define TDA10048_H
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#include <linux/dvb/frontend.h>
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#include <linux/firmware.h>
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struct tda10048_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* serial/parallel output */
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#define TDA10048_PARALLEL_OUTPUT 0
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#define TDA10048_SERIAL_OUTPUT 1
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u8 output_mode;
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#define TDA10048_BULKWRITE_200 200
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#define TDA10048_BULKWRITE_50 50
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u8 fwbulkwritelen;
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/* Spectral Inversion */
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#define TDA10048_INVERSION_OFF 0
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#define TDA10048_INVERSION_ON 1
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u8 inversion;
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#define TDA10048_IF_3300 3300
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#define TDA10048_IF_3500 3500
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#define TDA10048_IF_3800 3800
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#define TDA10048_IF_4000 4000
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#define TDA10048_IF_4300 4300
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#define TDA10048_IF_4500 4500
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#define TDA10048_IF_4750 4750
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#define TDA10048_IF_36130 36130
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u16 if_freq_khz;
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#define TDA10048_CLK_4000 4000
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#define TDA10048_CLK_16000 16000
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u16 clk_freq_khz;
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/* Disable I2C gate access */
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u8 disable_gate_access;
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};
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#if defined(CONFIG_DVB_TDA10048) || \
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(defined(CONFIG_DVB_TDA10048_MODULE) && defined(MODULE))
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extern struct dvb_frontend *tda10048_attach(
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const struct tda10048_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *tda10048_attach(
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const struct tda10048_config *config,
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struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_TDA10048 */
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#endif /* TDA10048_H */
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