V4L/DVB (10266): Add support for TurboSight TBS6920 DVB-S2 PCI-e card.

TurboSight TBS6920 DVB-S2 PCI-e card contains cx23885 PCI-e bridge
and cx24116 demodulator.
http://www.linuxtv.org/wiki/index.php/TBS_6920
The card tested by me (Igor).

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 1c454128a9df..3e0b04074e55 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -43,6 +43,7 @@
 #include "dib7000p.h"
 #include "dibx000_common.h"
 #include "zl10353.h"
+#include "cx24116.h"
 
 static unsigned int debug;
 
@@ -308,6 +309,24 @@ static struct zl10353_config dvico_fusionhdtv_xc3028 = {
         .no_tuner      = 1,
 };
 
+static int tbs_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+        struct cx23885_tsport *port = fe->dvb->priv;
+        struct cx23885_dev *dev = port->dev;
+
+        if (voltage == SEC_VOLTAGE_18)
+                cx_write(MC417_RWD, 0x00001e00);/* GPIO-13 high */
+        else if (voltage == SEC_VOLTAGE_13)
+                cx_write(MC417_RWD, 0x00001a00);/* GPIO-13 low */
+        else
+                cx_write(MC417_RWD, 0x00001800);/* GPIO-12 low */
+        return 0;
+}
+
+static struct cx24116_config tbs_cx24116_config = {
+        .demod_address = 0x05,
+};
+
 static int dvb_register(struct cx23885_tsport *port)
 {
         struct cx23885_dev *dev = port->dev;
@@ -526,6 +545,16 @@ static int dvb_register(struct cx23885_tsport *port)
                                 fe->ops.tuner_ops.set_config(fe, &ctl);
                 }
                 break;
+        case CX23885_BOARD_TBS_6920:
+                i2c_bus = &dev->i2c_bus[0];
+
+                fe0->dvb.frontend = dvb_attach(cx24116_attach,
+                        &tbs_cx24116_config,
+                        &i2c_bus->i2c_adap);
+                if (fe0->dvb.frontend != NULL)
+                        fe0->dvb.frontend->ops.set_voltage = tbs_set_voltage;
+
+                break;
         default:
                 printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
                         " isn't supported yet\n",