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path: root/drivers/media/usb/pvrusb2/pvrusb2-audio.c
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Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-audio.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-audio.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-audio.c b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
new file mode 100644
index 000000000..45276c628
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
@@ -0,0 +1,86 @@
+/*
+ *
+ *
+ * Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pvrusb2-audio.h"
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <linux/videodev2.h>
+#include <media/msp3400.h>
+#include <media/v4l2-common.h>
+
+
+struct routing_scheme {
+ const int *def;
+ unsigned int cnt;
+};
+
+static const int routing_scheme0[] = {
+ [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT,
+ [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+};
+
+static const struct routing_scheme routing_def0 = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+};
+
+static const struct routing_scheme *routing_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
+};
+
+void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
+{
+ if (hdw->input_dirty || hdw->force_dirty) {
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
+ u32 input;
+
+ pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
+ sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+ routing_schemes[sid] : NULL;
+
+ if ((sp != NULL) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ input = sp->def[hdw->input_val];
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** subdev msp3400 set_input:"
+ " Invalid routing scheme (%u)"
+ " and/or input (%d)",
+ sid, hdw->input_val);
+ return;
+ }
+ sd->ops->audio->s_routing(sd, input,
+ MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
+ }
+}