V4L/DVB (12289): dvb-pll: Add support for Samsung TBMU24112 DVB-S NIM

Tuner parameters determined from code in flexcop driver.  That code rounded
the divisor down instead of to the nearest value.  This was probably not
intentional and the dvb-pll version will round to nearest.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 7d2d487c9ad4..587ad1bd9b13 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -424,6 +424,19 @@ static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
          { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */
 };
 
+/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
+static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
+        .name = "Samsung TBMU24112",
+        .min    =  950000,
+        .max    = 2150000, /* guesses */
+        .iffreq = 0,
+        .count = 2,
+        .entries = {
+                { 1500000, 125, 0x84, 0x18 },
+                { 9999999, 125, 0x84, 0x08 },
+        }
+};
+
 /* ----------------------------------------------------------- */
 
 static struct dvb_pll_desc *pll_list[] = {
@@ -444,6 +457,7 @@ static struct dvb_pll_desc *pll_list[] = {
         [DVB_PLL_SAMSUNG_DTOS403IH102A]  = &dvb_pll_samsung_dtos403ih102a,
         [DVB_PLL_SAMSUNG_TDTC9251DH0]    = &dvb_pll_samsung_tdtc9251dh0,
         [DVB_PLL_SAMSUNG_TBDU18132]      = &dvb_pll_samsung_tbdu18132,
+        [DVB_PLL_SAMSUNG_TBMU24112]      = &dvb_pll_samsung_tbmu24112,
 };
 
 /* ----------------------------------------------------------- */
diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h
index 7905f3440998..c1035812c9e9 100644
--- a/drivers/media/dvb/frontends/dvb-pll.h
+++ b/drivers/media/dvb/frontends/dvb-pll.h
@@ -25,6 +25,7 @@
 #define DVB_PLL_SAMSUNG_DTOS403IH102A  14
 #define DVB_PLL_SAMSUNG_TDTC9251DH0    15
 #define DVB_PLL_SAMSUNG_TBDU18132      16
+#define DVB_PLL_SAMSUNG_TBMU24112      17
 
 /**
  * Attach a dvb-pll to the supplied frontend structure.