V4L/DVB (4285): Cx88: add support for Geniatech Digistar / Digiwave 103g

This patch adds support for the Geniatech Digistar, aka
Digiwave 103g DVB-S card.
Acked-by: Andrew de Quincey <adq_dvb@lidskialf.net>

Signed-off-by: Saqeb Akhter <johoja@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

4 files changed, 49 insertions, 0 deletions

diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88
index 6cb63ddf6163..00d9a1f2a54c 100644
--- a/Documentation/video4linux/CARDLIST.cx88
+++ b/Documentation/video4linux/CARDLIST.cx88
@@ -50,3 +50,4 @@
  49 -> PixelView PlayTV P7000                              [1554:4813]
  50 -> NPG Tech Real TV FM Top 10                          [14f1:0842]
  51 -> WinFast DTV2000 H                                   [107d:665e]
+ 52 -> Geniatech DVB-S                                     [14f1:0084]
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index f9d68f20dc88..14bd4863d157 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1194,6 +1194,21 @@ struct cx88_board cx88_boards[] = {
                 }},
                 .dvb            = 1,
         },
+        [CX88_BOARD_GENIATECH_DVBS] = {
+                .name          = "Geniatech DVB-S",
+                .tuner_type    = TUNER_ABSENT,
+                .radio_type    = UNSET,
+                .tuner_addr    = ADDR_UNSET,
+                .radio_addr    = ADDR_UNSET,
+                .input  = {{
+                        .type  = CX88_VMUX_DVB,
+                        .vmux  = 0,
+                },{
+                        .type  = CX88_VMUX_COMPOSITE1,
+                        .vmux  = 1,
+                }},
+                .dvb      = 1,
+        },
 };
 const unsigned int cx88_bcount = ARRAY_SIZE(cx88_boards);
 
@@ -1439,6 +1454,10 @@ struct cx88_subid cx88_subids[] = {
                 .subvendor = 0x18ac,
                 .subdevice = 0xd800, /* FusionHDTV 3 Gold (original revision) */
                 .card      = CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q,
+        },{
+                .subvendor = 0x14f1,
+                .subdevice = 0x0084,
+                .card      = CX88_BOARD_GENIATECH_DVBS,
         },
 };
 const unsigned int cx88_idcount = ARRAY_SIZE(cx88_subids);
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index dce1feddd55d..afde3789d702 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -496,6 +496,26 @@ static int kworld_dvbs_100_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t
         return 0;
 }
 
+static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+        struct cx8802_dev *dev= fe->dvb->priv;
+        struct cx88_core *core = dev->core;
+
+        if (voltage == SEC_VOLTAGE_OFF) {
+                dprintk(1,"LNB Voltage OFF\n");
+                cx_write(MO_GP0_IO, 0x0000efff);
+        }
+
+        if (core->prev_set_voltage)
+                return core->prev_set_voltage(fe, voltage);
+        return 0;
+}
+
+static struct cx24123_config geniatech_dvbs_config = {
+        .demod_address  = 0x55,
+        .set_ts_params  = cx24123_set_ts_param,
+};
+
 static struct cx24123_config hauppauge_novas_config = {
         .demod_address          = 0x55,
         .set_ts_params          = cx24123_set_ts_param,
@@ -760,6 +780,14 @@ static int dvb_register(struct cx8802_dev *dev)
                         dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
                 }
                 break;
+        case CX88_BOARD_GENIATECH_DVBS:
+                dev->dvb.frontend = cx24123_attach(&geniatech_dvbs_config,
+                                                   &dev->core->i2c_adap);
+                if (dev->dvb.frontend) {
+                        dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+                        dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
+                }
+                break;
 #endif
         default:
                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 336e823c7588..e7810955dd4f 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -196,6 +196,7 @@ extern struct sram_channel cx88_sram_channels[];
 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
 #define CX88_BOARD_WINFAST_DTV2000H        51
+#define CX88_BOARD_GENIATECH_DVBS          52
 
 enum cx88_itype {
         CX88_VMUX_COMPOSITE1 = 1,