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path: root/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
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Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
new file mode 100644
index 000000000000..c514d0b9ffdc
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -0,0 +1,166 @@
+/*
+ *
+ *
+ * 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
+ *
+ */
+
+/*
+
+ This source file is specifically designed to interface with the
+ cx2584x, in kernels 2.6.16 or newer.
+
+*/
+
+#include "pvrusb2-cx2584x-v4l.h"
+#include "pvrusb2-video-v4l.h"
+
+
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <media/cx25840.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <linux/errno.h>
+
+
+struct routing_scheme_item {
+ int vid;
+ int aud;
+};
+
+struct routing_scheme {
+ const struct routing_scheme_item *def;
+ unsigned int cnt;
+};
+
+static const struct routing_scheme_item routing_scheme0[] = {
+ [PVR2_CVAL_INPUT_TV] = {
+ .vid = CX25840_COMPOSITE7,
+ .aud = CX25840_AUDIO8,
+ },
+ [PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
+ .vid = CX25840_COMPOSITE3,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_COMPOSITE] = {
+ .vid = CX25840_COMPOSITE3,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_SVIDEO] = {
+ .vid = CX25840_SVIDEO1,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+};
+
+static const struct routing_scheme routing_def0 = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+};
+
+/* Specific to gotview device */
+static const struct routing_scheme_item routing_schemegv[] = {
+ [PVR2_CVAL_INPUT_TV] = {
+ .vid = CX25840_COMPOSITE2,
+ .aud = CX25840_AUDIO5,
+ },
+ [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,
+ },
+ [PVR2_CVAL_INPUT_COMPOSITE] = {
+ .vid = CX25840_COMPOSITE1,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_SVIDEO] = {
+ .vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4),
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+};
+
+static const struct routing_scheme routing_defgv = {
+ .def = routing_schemegv,
+ .cnt = ARRAY_SIZE(routing_schemegv),
+};
+
+/* Specific to grabster av400 device */
+static const struct routing_scheme_item routing_schemeav400[] = {
+ [PVR2_CVAL_INPUT_COMPOSITE] = {
+ .vid = CX25840_COMPOSITE1,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_SVIDEO] = {
+ .vid = (CX25840_SVIDEO_LUMA2|CX25840_SVIDEO_CHROMA4),
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+};
+
+static const struct routing_scheme routing_defav400 = {
+ .def = routing_schemeav400,
+ .cnt = ARRAY_SIZE(routing_schemeav400),
+};
+
+static const struct routing_scheme *routing_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
+ [PVR2_ROUTING_SCHEME_GOTVIEW] = &routing_defgv,
+ [PVR2_ROUTING_SCHEME_AV400] = &routing_defav400,
+};
+
+void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
+{
+ pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update...");
+ if (hdw->input_dirty || hdw->force_dirty) {
+ enum cx25840_video_input vid_input;
+ enum cx25840_audio_input aud_input;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
+
+ sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+ routing_schemes[sid] : NULL;
+ if ((sp == NULL) ||
+ (hdw->input_val < 0) ||
+ (hdw->input_val >= sp->cnt)) {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** subdev cx2584x set_input:"
+ " Invalid routing scheme (%u)"
+ " and/or input (%d)",
+ sid, hdw->input_val);
+ return;
+ }
+ vid_input = sp->def[hdw->input_val].vid;
+ aud_input = sp->def[hdw->input_val].aud;
+ pvr2_trace(PVR2_TRACE_CHIPS,
+ "subdev cx2584x set_input vid=0x%x aud=0x%x",
+ vid_input, aud_input);
+ sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0);
+ sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0);
+ }
+}
+
+
+
+/*
+ Stuff for Emacs to see, in order to encourage consistent editing style:
+ *** Local Variables: ***
+ *** mode: c ***
+ *** fill-column: 70 ***
+ *** tab-width: 8 ***
+ *** c-basic-offset: 8 ***
+ *** End: ***
+ */