V4L/DVB (12288): dvb-pll: Add support for Samsung TBDU18132 DVB-S NIM
Tuner parameters taken from flexcop driver. This PLL has a 17 bit divisor
while the dvb-pll driver is designed for 15 bit divisors. It's not a
problem as 15 bits is enough for the tuner's entire range. But if a larger
range was wanted, it could be done by adding additional bands with the
extra divisor bits appearing as band switch bits.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 7bafe4b..7d2d487 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -403,6 +403,27 @@
}
};
+/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
+static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
+ .name = "Samsung TBDU18132",
+ .min = 950000,
+ .max = 2150000, /* guesses */
+ .iffreq = 0,
+ .count = 2,
+ .entries = {
+ { 1550000, 125, 0x84, 0x82 },
+ { 4095937, 125, 0x84, 0x80 },
+ }
+ /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported
+ * by this driver. The two extra bits are 0x60 in the third byte. 15
+ * bits is enough for over 4 GHz, which is enough to cover the range
+ * of this tuner. We could use the additional divisor bits by adding
+ * more entries, e.g.
+ { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, },
+ { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, },
+ { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */
+};
+
/* ----------------------------------------------------------- */
static struct dvb_pll_desc *pll_list[] = {
@@ -422,6 +443,7 @@
[DVB_PLL_OPERA1] = &dvb_pll_opera1,
[DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a,
[DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0,
+ [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132,
};
/* ----------------------------------------------------------- */
diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h
index dcbb283..7905f34 100644
--- a/drivers/media/dvb/frontends/dvb-pll.h
+++ b/drivers/media/dvb/frontends/dvb-pll.h
@@ -24,6 +24,7 @@
#define DVB_PLL_OPERA1 13
#define DVB_PLL_SAMSUNG_DTOS403IH102A 14
#define DVB_PLL_SAMSUNG_TDTC9251DH0 15
+#define DVB_PLL_SAMSUNG_TBDU18132 16
/**
* Attach a dvb-pll to the supplied frontend structure.