Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / usb / pvrusb2 / pvrusb2-cx2584x-v4l.c

diff --git a/kernel/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c b/kernel/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
new file mode 100644 (file)
index 0000000..1a81aa7
--- /dev/null
+++ b/kernel/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -0,0 +1,154 @@
+/*
+ *
+ *
+ *  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);
+       }
+}