aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/frontends/s5h1411.h
diff options
context:
space:
mode:
authorSteven Toth <stoth@hauppauge.com>2008-04-25 03:44:36 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-26 09:29:56 -0300
commit8b4f1d031627d6f36d6ada05ab7670c2317efdaa (patch)
tree29488e2587325c2e254201a27148af5d7761e9c7 /drivers/media/dvb/frontends/s5h1411.h
parent8367fe248d74d53a6ae10e373c73230ab1536599 (diff)
V4L/DVB (7741): s5h1411: Adding support for this ATSC/QAM demodulator
This adds full support for this demodulator. Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/s5h1411.h')
-rw-r--r--drivers/media/dvb/frontends/s5h1411.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/s5h1411.h b/drivers/media/dvb/frontends/s5h1411.h
new file mode 100644
index 00000000000..1855f64ed4d
--- /dev/null
+++ b/drivers/media/dvb/frontends/s5h1411.h
@@ -0,0 +1,90 @@
+/*
+ Samsung S5H1411 VSB/QAM demodulator driver
+
+ Copyright (C) 2008 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 __S5H1411_H__
+#define __S5H1411_H__
+
+#include <linux/dvb/frontend.h>
+
+#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
+#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
+
+struct s5h1411_config {
+
+ /* serial/parallel output */
+#define S5H1411_PARALLEL_OUTPUT 0
+#define S5H1411_SERIAL_OUTPUT 1
+ u8 output_mode;
+
+ /* GPIO Setting */
+#define S5H1411_GPIO_OFF 0
+#define S5H1411_GPIO_ON 1
+ u8 gpio;
+
+ /* MPEG signal timing */
+#define S5H1411_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0
+#define S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1
+#define S5H1411_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2
+#define S5H1411_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
+ u16 mpeg_timing;
+
+ /* IF Freq for QAM and VSB in KHz */
+#define S5H1411_IF_2500 2500
+#define S5H1411_IF_3500 3500
+#define S5H1411_IF_4000 4000
+#define S5H1411_IF_5380 5380
+#define S5H1411_IF_44000 44000
+#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
+#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
+ u16 qam_if;
+ u16 vsb_if;
+
+ /* Spectral Inversion */
+#define S5H1411_INVERSION_OFF 0
+#define S5H1411_INVERSION_ON 1
+ u8 inversion;
+
+ /* Return lock status based on tuner lock, or demod lock */
+#define S5H1411_TUNERLOCKING 0
+#define S5H1411_DEMODLOCKING 1
+ u8 status_mode;
+};
+
+#if defined(CONFIG_DVB_S5H1411) || \
+ (defined(CONFIG_DVB_S5H1411_MODULE) && defined(MODULE))
+extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *s5h1411_attach(
+ const struct s5h1411_config *config,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_S5H1411 */
+
+#endif /* __S5H1411_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */