[media] s5h1432: Add new s5h1432 driver

Introduce a new driver for the s5h1432

Signed-off-by: Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com>
Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/s5h1432.h b/drivers/media/dvb/frontends/s5h1432.h
new file mode 100644
index 000000000000..241a9044d863
--- /dev/null
+++ b/drivers/media/dvb/frontends/s5h1432.h
@@ -0,0 +1,96 @@
+/*
+    Samsung s5h1432 VSB/QAM demodulator driver
+
+    Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.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 __S5H1432_H__
+#define __S5H1432_H__
+
+#include <linux/dvb/frontend.h>
+
+#define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
+
+#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
+#define EUROPE_HI_IF_FREQ_36_MHZ 36000000
+#define IF_FREQ_6_MHZ             6000000
+#define IF_FREQ_3point3_MHZ       3300000
+#define IF_FREQ_3point5_MHZ       3500000
+#define IF_FREQ_4_MHZ             4000000
+
+struct s5h1432_config {
+
+	/* serial/parallel output */
+#define S5H1432_PARALLEL_OUTPUT 0
+#define S5H1432_SERIAL_OUTPUT   1
+	u8 output_mode;
+
+	/* GPIO Setting */
+#define S5H1432_GPIO_OFF 0
+#define S5H1432_GPIO_ON  1
+	u8 gpio;
+
+	/* MPEG signal timing */
+#define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
+#define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
+#define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
+#define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
+	u16 mpeg_timing;
+
+	/* IF Freq for QAM and VSB in KHz */
+#define S5H1432_IF_3250  3250
+#define S5H1432_IF_3500  3500
+#define S5H1432_IF_4000  4000
+#define S5H1432_IF_5380  5380
+#define S5H1432_IF_44000 44000
+#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
+#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
+	u16 qam_if;
+	u16 vsb_if;
+
+	/* Spectral Inversion */
+#define S5H1432_INVERSION_OFF 0
+#define S5H1432_INVERSION_ON  1
+	u8 inversion;
+
+	/* Return lock status based on tuner lock, or demod lock */
+#define S5H1432_TUNERLOCKING 0
+#define S5H1432_DEMODLOCKING 1
+	u8 status_mode;
+};
+
+#if defined(CONFIG_DVB_S5H1432) || \
+	(defined(CONFIG_DVB_S5H1432_MODULE) && defined(MODULE))
+extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
+					   struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *s5h1432_attach(
+	const struct s5h1432_config *config,
+	struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_s5h1432 */
+
+#endif /* __s5h1432_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */