b79cb6531d
- Added demodulator driver for Nova-S-Plus and Nova-SE2 DVB-S support. Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
186 lines
4.3 KiB
C
186 lines
4.3 KiB
C
/*
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Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
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Copyright (C) 2005 Steven Toth <stoth@hauppauge.com>
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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 CX24123_H
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#define CX24123_H
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#include <linux/dvb/frontend.h>
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struct cx24123_config
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{
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/* the demodulator's i2c address */
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u8 demod_address;
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/* PLL maintenance */
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int (*pll_init)(struct dvb_frontend* fe);
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int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
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/* Need to set device param for start_dma */
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int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
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};
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/* Various tuner defaults need to be established for a given symbol rate Sps */
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struct
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{
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u32 symbolrate_low;
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u32 symbolrate_high;
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u32 VCAslope;
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u32 VCAoffset;
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u32 VGA1offset;
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u32 VGA2offset;
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u32 VCAprogdata;
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u32 VGAprogdata;
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} cx24123_AGC_vals[] =
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{
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{
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.symbolrate_low = 1000000,
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.symbolrate_high = 4999999,
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.VCAslope = 0x07,
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.VCAoffset = 0x0f,
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.VGA1offset = 0x1f8,
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.VGA2offset = 0x1f8,
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.VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8,
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.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07,
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},
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{
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.symbolrate_low = 5000000,
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.symbolrate_high = 14999999,
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.VCAslope = 0x1f,
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.VCAoffset = 0x1f,
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.VGA1offset = 0x1e0,
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.VGA2offset = 0x180,
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.VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0,
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.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f,
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},
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{
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.symbolrate_low = 15000000,
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.symbolrate_high = 45000000,
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.VCAslope = 0x3f,
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.VCAoffset = 0x3f,
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.VGA1offset = 0x180,
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.VGA2offset = 0x100,
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.VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180,
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.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f,
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},
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};
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/*
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* Various tuner defaults need to be established for a given frequency kHz.
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* fixme: The bounds on the bands do not match the doc in real life.
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* fixme: Some of them have been moved, other might need adjustment.
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*/
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struct
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{
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u32 freq_low;
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u32 freq_high;
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u32 bandselect;
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u32 VCOdivider;
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u32 VCOnumber;
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u32 progdata;
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} cx24123_bandselect_vals[] =
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{
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{
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.freq_low = 950000,
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.freq_high = 1018999,
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.bandselect = 0x40,
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.VCOdivider = 4,
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.VCOnumber = 7,
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.progdata = (0 << 18) | (0 << 9) | 0x40,
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},
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{
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.freq_low = 1019000,
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.freq_high = 1074999,
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.bandselect = 0x80,
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.VCOdivider = 4,
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.VCOnumber = 8,
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.progdata = (0 << 18) | (0 << 9) | 0x80,
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},
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{
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.freq_low = 1075000,
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.freq_high = 1227999,
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.bandselect = 0x01,
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.VCOdivider = 2,
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.VCOnumber = 1,
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.progdata = (0 << 18) | (1 << 9) | 0x01,
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},
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{
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.freq_low = 1228000,
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.freq_high = 1349999,
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.bandselect = 0x02,
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.VCOdivider = 2,
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.VCOnumber = 2,
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.progdata = (0 << 18) | (1 << 9) | 0x02,
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},
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{
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.freq_low = 1350000,
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.freq_high = 1481999,
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.bandselect = 0x04,
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.VCOdivider = 2,
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.VCOnumber = 3,
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.progdata = (0 << 18) | (1 << 9) | 0x04,
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},
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{
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.freq_low = 1482000,
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.freq_high = 1595999,
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.bandselect = 0x08,
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.VCOdivider = 2,
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.VCOnumber = 4,
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.progdata = (0 << 18) | (1 << 9) | 0x08,
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},
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{
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.freq_low = 1596000,
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.freq_high = 1717999,
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.bandselect = 0x10,
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.VCOdivider = 2,
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.VCOnumber = 5,
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.progdata = (0 << 18) | (1 << 9) | 0x10,
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},
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{
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.freq_low = 1718000,
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.freq_high = 1855999,
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.bandselect = 0x20,
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.VCOdivider = 2,
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.VCOnumber = 6,
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.progdata = (0 << 18) | (1 << 9) | 0x20,
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},
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{
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.freq_low = 1856000,
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.freq_high = 2035999,
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.bandselect = 0x40,
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.VCOdivider = 2,
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.VCOnumber = 7,
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.progdata = (0 << 18) | (1 << 9) | 0x40,
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},
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{
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.freq_low = 2036000,
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.freq_high = 2149999,
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.bandselect = 0x80,
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.VCOdivider = 2,
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.VCOnumber = 8,
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.progdata = (0 << 18) | (1 << 9) | 0x80,
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},
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};
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extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
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struct i2c_adapter* i2c);
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#endif /* CX24123_H */
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