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authorSteve Toth <stoth@hauppauge.com>2006-01-09 15:25:07 -0200
committerMauro Carvalho Chehab <mchehab@brturbo.com.br>2006-01-09 15:25:07 -0200
commitb79cb6531d5ba9174f9677ce2213c017d1e2ef19 (patch)
treeaf45e77912c67a84209ad82d84f599bb6967dfc4 /drivers/media/dvb/frontends/cx24123.h
parent36cb557a2f64513e2fdc1a542167e5e8a6c1c67e (diff)
DVB (2445): Added demodulator driver for Nova-S-Plus and Nova-SE2 DVB-S support.
- 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>
Diffstat (limited to 'drivers/media/dvb/frontends/cx24123.h')
-rw-r--r--drivers/media/dvb/frontends/cx24123.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h
new file mode 100644
index 00000000000..80b66a69526
--- /dev/null
+++ b/drivers/media/dvb/frontends/cx24123.h
@@ -0,0 +1,185 @@
+/*
+ Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
+
+ Copyright (C) 2005 Steven Toth <stoth@hauppauge.com>
+
+ 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 CX24123_H
+#define CX24123_H
+
+#include <linux/dvb/frontend.h>
+
+struct cx24123_config
+{
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* PLL maintenance */
+ int (*pll_init)(struct dvb_frontend* fe);
+ int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
+
+ /* Need to set device param for start_dma */
+ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+};
+
+/* Various tuner defaults need to be established for a given symbol rate Sps */
+struct
+{
+ u32 symbolrate_low;
+ u32 symbolrate_high;
+ u32 VCAslope;
+ u32 VCAoffset;
+ u32 VGA1offset;
+ u32 VGA2offset;
+ u32 VCAprogdata;
+ u32 VGAprogdata;
+} cx24123_AGC_vals[] =
+{
+ {
+ .symbolrate_low = 1000000,
+ .symbolrate_high = 4999999,
+ .VCAslope = 0x07,
+ .VCAoffset = 0x0f,
+ .VGA1offset = 0x1f8,
+ .VGA2offset = 0x1f8,
+ .VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8,
+ .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07,
+ },
+ {
+ .symbolrate_low = 5000000,
+ .symbolrate_high = 14999999,
+ .VCAslope = 0x1f,
+ .VCAoffset = 0x1f,
+ .VGA1offset = 0x1e0,
+ .VGA2offset = 0x180,
+ .VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0,
+ .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f,
+ },
+ {
+ .symbolrate_low = 15000000,
+ .symbolrate_high = 45000000,
+ .VCAslope = 0x3f,
+ .VCAoffset = 0x3f,
+ .VGA1offset = 0x180,
+ .VGA2offset = 0x100,
+ .VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180,
+ .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f,
+ },
+};
+
+/*
+ * Various tuner defaults need to be established for a given frequency kHz.
+ * fixme: The bounds on the bands do not match the doc in real life.
+ * fixme: Some of them have been moved, other might need adjustment.
+ */
+struct
+{
+ u32 freq_low;
+ u32 freq_high;
+ u32 bandselect;
+ u32 VCOdivider;
+ u32 VCOnumber;
+ u32 progdata;
+} cx24123_bandselect_vals[] =
+{
+ {
+ .freq_low = 950000,
+ .freq_high = 1018999,
+ .bandselect = 0x40,
+ .VCOdivider = 4,
+ .VCOnumber = 7,
+ .progdata = (0 << 18) | (0 << 9) | 0x40,
+ },
+ {
+ .freq_low = 1019000,
+ .freq_high = 1074999,
+ .bandselect = 0x80,
+ .VCOdivider = 4,
+ .VCOnumber = 8,
+ .progdata = (0 << 18) | (0 << 9) | 0x80,
+ },
+ {
+ .freq_low = 1075000,
+ .freq_high = 1227999,
+ .bandselect = 0x01,
+ .VCOdivider = 2,
+ .VCOnumber = 1,
+ .progdata = (0 << 18) | (1 << 9) | 0x01,
+ },
+ {
+ .freq_low = 1228000,
+ .freq_high = 1349999,
+ .bandselect = 0x02,
+ .VCOdivider = 2,
+ .VCOnumber = 2,
+ .progdata = (0 << 18) | (1 << 9) | 0x02,
+ },
+ {
+ .freq_low = 1350000,
+ .freq_high = 1481999,
+ .bandselect = 0x04,
+ .VCOdivider = 2,
+ .VCOnumber = 3,
+ .progdata = (0 << 18) | (1 << 9) | 0x04,
+ },
+ {
+ .freq_low = 1482000,
+ .freq_high = 1595999,
+ .bandselect = 0x08,
+ .VCOdivider = 2,
+ .VCOnumber = 4,
+ .progdata = (0 << 18) | (1 << 9) | 0x08,
+ },
+ {
+ .freq_low = 1596000,
+ .freq_high = 1717999,
+ .bandselect = 0x10,
+ .VCOdivider = 2,
+ .VCOnumber = 5,
+ .progdata = (0 << 18) | (1 << 9) | 0x10,
+ },
+ {
+ .freq_low = 1718000,
+ .freq_high = 1855999,
+ .bandselect = 0x20,
+ .VCOdivider = 2,
+ .VCOnumber = 6,
+ .progdata = (0 << 18) | (1 << 9) | 0x20,
+ },
+ {
+ .freq_low = 1856000,
+ .freq_high = 2035999,
+ .bandselect = 0x40,
+ .VCOdivider = 2,
+ .VCOnumber = 7,
+ .progdata = (0 << 18) | (1 << 9) | 0x40,
+ },
+ {
+ .freq_low = 2036000,
+ .freq_high = 2149999,
+ .bandselect = 0x80,
+ .VCOdivider = 2,
+ .VCOnumber = 8,
+ .progdata = (0 << 18) | (1 << 9) | 0x80,
+ },
+};
+
+extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
+ struct i2c_adapter* i2c);
+
+#endif /* CX24123_H */
+