1 files changed, 101 insertions, 0 deletions

diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c
new file mode 100644
index 00000000000..b31ee1bceef
--- /dev/null
+++ b/drivers/media/video/ivtv/ivtv-controls.c
@@ -0,0 +1,101 @@
+/*
+    ioctl control functions
+    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
+    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
+
+    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, or
+    (at your option) any later version.
+
+    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 "ivtv-driver.h"
+#include "ivtv-ioctl.h"
+#include "ivtv-controls.h"
+
+static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt)
+{
+        struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+        /* First try to allocate sliced VBI buffers if needed. */
+        if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) {
+                int i;
+
+                for (i = 0; i < IVTV_VBI_FRAMES; i++) {
+                        /* Yuck, hardcoded. Needs to be a define */
+                        itv->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL);
+                        if (itv->vbi.sliced_mpeg_data[i] == NULL) {
+                                while (--i >= 0) {
+                                        kfree(itv->vbi.sliced_mpeg_data[i]);
+                                        itv->vbi.sliced_mpeg_data[i] = NULL;
+                                }
+                                return -ENOMEM;
+                        }
+                }
+        }
+
+        itv->vbi.insert_mpeg = fmt;
+
+        if (itv->vbi.insert_mpeg == 0) {
+                return 0;
+        }
+        /* Need sliced data for mpeg insertion */
+        if (ivtv_get_service_set(itv->vbi.sliced_in) == 0) {
+                if (itv->is_60hz)
+                        itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525;
+                else
+                        itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625;
+                ivtv_expand_service_set(itv->vbi.sliced_in, itv->is_50hz);
+        }
+        return 0;
+}
+
+static int ivtv_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
+{
+        struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+        int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
+        struct v4l2_mbus_framefmt fmt;
+
+        /* fix videodecoder resolution */
+        fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
+        fmt.height = cxhdl->height;
+        fmt.code = V4L2_MBUS_FMT_FIXED;
+        v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt);
+        return 0;
+}
+
+static int ivtv_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
+{
+        static const u32 freqs[3] = { 44100, 48000, 32000 };
+        struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+        /* The audio clock of the digitizer must match the codec sample
+           rate otherwise you get some very strange effects. */
+        if (idx < ARRAY_SIZE(freqs))
+                ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]);
+        return 0;
+}
+
+static int ivtv_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val)
+{
+        struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+        itv->dualwatch_stereo_mode = val;
+        return 0;
+}
+
+struct cx2341x_handler_ops ivtv_cxhdl_ops = {
+        .s_audio_mode = ivtv_s_audio_mode,
+        .s_audio_sampling_freq = ivtv_s_audio_sampling_freq,
+        .s_video_encoding = ivtv_s_video_encoding,
+        .s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt,
+};