V4L/DVB (7722): pvrusb2: Implement FM radio support for Gotview USB2.0 DVD 2

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index ffdc45c..97350b0 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -84,7 +84,9 @@ static const struct routing_scheme_item routing_schemegv[] = {
                .vid = CX25840_COMPOSITE2,
                .aud = CX25840_AUDIO5,
        },
-       [PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
+       [PVR2_CVAL_INPUT_RADIO] = {
+               /* line-in is used for radio and composite.  A GPIO is
+                  used to switch between the two choices. */
                .vid = CX25840_COMPOSITE1,
                .aud = CX25840_AUDIO_SERIAL,
        },

diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.c b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
index 43c49fb..2dd06a9 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-devattr.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
@@ -124,6 +124,7 @@ static const struct pvr2_device_desc pvr2_device_gotview_2 = {
                .flag_has_cx25840 = !0,
                .default_tuner_type = TUNER_PHILIPS_FM1216ME_MK3,
                .flag_has_analogtuner = !0,
+               .flag_has_fmradio = !0,
                .flag_has_composite = !0,
                .flag_has_svideo = !0,
                .signal_routing_scheme = PVR2_ROUTING_SCHEME_GOTVIEW,

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 19de395..0a86888 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -1321,6 +1321,12 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
        }
 
  done:
+       if (hdw->hdw_desc->signal_routing_scheme ==
+           PVR2_ROUTING_SCHEME_GOTVIEW) {
+               /* Ensure that GPIO 11 is set to output for GOTVIEW
+                  hardware. */
+               pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
+       }
        return ret;
 }
 
@@ -1735,6 +1741,13 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 
        if (!pvr2_hdw_dev_ok(hdw)) return;
 
+       if (hdw->hdw_desc->signal_routing_scheme ==
+           PVR2_ROUTING_SCHEME_GOTVIEW) {
+               /* Ensure that GPIO 11 is set to output for GOTVIEW
+                  hardware. */
+               pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
+       }
+
        pvr2_hdw_commit_setup(hdw);
 
        hdw->vid_stream = pvr2_stream_create();
@@ -2498,6 +2511,20 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw)
                hdw->active_stream_type = hdw->desired_stream_type;
        }
 
+       if (hdw->hdw_desc->signal_routing_scheme ==
+           PVR2_ROUTING_SCHEME_GOTVIEW) {
+               u32 b;
+               /* Handle GOTVIEW audio switching */
+               pvr2_hdw_gpio_get_out(hdw,&b);
+               if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
+                       /* Set GPIO 11 */
+                       pvr2_hdw_gpio_chg_out(hdw,(1 << 11),~0);
+               } else {
+                       /* Clear GPIO 11 */
+                       pvr2_hdw_gpio_chg_out(hdw,(1 << 11),0);
+               }
+       }
+
        /* Now execute i2c core update */
        pvr2_i2c_core_sync(hdw);