[media] MFC: Add MFC 5.1 V4L2 driver

[pandora-kernel.git] / drivers / media / video / tuner-core.c

diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index cfa9f7e..11cc980 100644 (file)
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -39,6 +39,7 @@
 #include "tda9887.h"
 #include "xc5000.h"
 #include "tda18271.h"
+#include "xc4000.h"
 
 #define UNSET (-1U)
 
@@ -391,6 +392,23 @@ static void set_type(struct i2c_client *c, unsigned int type,
                tune_now = 0;
                break;
        }
+       case TUNER_XC4000:
+       {
+               struct xc4000_config xc4000_cfg = {
+                       .i2c_address      = t->i2c->addr,
+                       /* FIXME: the correct parameters will be set */
+                       /* only when the digital dvb_attach() occurs */
+                       .default_pm       = 0,
+                       .dvb_amplitude    = 0,
+                       .set_smoothedcvbs = 0,
+                       .if_khz           = 0
+               };
+               if (!dvb_attach(xc4000_attach,
+                               &t->fe, t->i2c->adapter, &xc4000_cfg))
+                       goto attach_failed;
+               tune_now = 0;
+               break;
+       }
        default:
                if (!dvb_attach(simple_tuner_attach, &t->fe,
                                t->i2c->adapter, t->i2c->addr, t->type))
@@ -714,10 +732,19 @@ static int tuner_remove(struct i2c_client *client)
  * returns 0.
  * This function is needed for boards that have a separate tuner for
  * radio (like devices with tea5767).
+ * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to
+ *       select a TV frequency. So, t_mode = T_ANALOG_TV could actually
+ *      be used to represent a Digital TV too.
  */
 static inline int check_mode(struct tuner *t, enum v4l2_tuner_type mode)
 {
-       if ((1 << mode & t->mode_mask) == 0)
+       int t_mode;
+       if (mode == V4L2_TUNER_RADIO)
+               t_mode = T_RADIO;
+       else
+               t_mode = T_ANALOG_TV;
+
+       if ((t_mode & t->mode_mask) == 0)
                return -EINVAL;
 
        return 0;
@@ -984,7 +1011,7 @@ static void tuner_status(struct dvb_frontend *fe)
        case V4L2_TUNER_RADIO:
                p = "radio";
                break;
-       case V4L2_TUNER_DIGITAL_TV:
+       case V4L2_TUNER_DIGITAL_TV: /* Used by mt20xx */
                p = "digital TV";
                break;
        case V4L2_TUNER_ANALOG_TV:
@@ -1135,9 +1162,8 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
                return 0;
        if (vt->type == t->mode && analog_ops->get_afc)
                vt->afc = analog_ops->get_afc(&t->fe);
-       if (vt->type == V4L2_TUNER_ANALOG_TV)
+       if (t->mode != V4L2_TUNER_RADIO) {
                vt->capability |= V4L2_TUNER_CAP_NORM;
-       if (vt->type != V4L2_TUNER_RADIO) {
                vt->rangelow = tv_range[0] * 16;
                vt->rangehigh = tv_range[1] * 16;
                return 0;