V4L/DVB (4228a): pvrusb2 to kernel 2.6.18

Implement V4L2 driver for the Hauppauge PVR USB2 TV tuner.

The Hauppauge PVR USB2 is a USB connected TV tuner with an embedded
cx23416 hardware MPEG2 encoder.  There are two major variants of this
device; this driver handles both.  Any V4L2 application which
understands MPEG2 video stream data should be able to work with this
device.

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

1 files changed, 232 insertions, 0 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
new file mode 100644
index 000000000000..9f81aff2b38a
--- /dev/null
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
@@ -0,0 +1,232 @@
+/*
+ *
+ *  $Id$
+ *
+ *  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-i2c-cmd-v4l2.h"
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <linux/videodev2.h>
+
+
+static void set_standard(struct pvr2_hdw *hdw)
+{
+        v4l2_std_id vs;
+        vs = hdw->std_mask_cur;
+        pvr2_trace(PVR2_TRACE_CHIPS,
+                   "i2c v4l2 set_standard(0x%llx)",(__u64)vs);
+
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
+}
+
+
+static int check_standard(struct pvr2_hdw *hdw)
+{
+        return hdw->std_dirty != 0;
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
+        .check = check_standard,
+        .update = set_standard,
+        .name = "v4l2_standard",
+};
+
+
+static void set_bcsh(struct pvr2_hdw *hdw)
+{
+        struct v4l2_control ctrl;
+        pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
+                   " b=%d c=%d s=%d h=%d",
+                   hdw->brightness_val,hdw->contrast_val,
+                   hdw->saturation_val,hdw->hue_val);
+        memset(&ctrl,0,sizeof(ctrl));
+        ctrl.id = V4L2_CID_BRIGHTNESS;
+        ctrl.value = hdw->brightness_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_CONTRAST;
+        ctrl.value = hdw->contrast_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_SATURATION;
+        ctrl.value = hdw->saturation_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_HUE;
+        ctrl.value = hdw->hue_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+}
+
+
+static int check_bcsh(struct pvr2_hdw *hdw)
+{
+        return (hdw->brightness_dirty ||
+                hdw->contrast_dirty ||
+                hdw->saturation_dirty ||
+                hdw->hue_dirty);
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
+        .check = check_bcsh,
+        .update = set_bcsh,
+        .name = "v4l2_bcsh",
+};
+
+
+static void set_volume(struct pvr2_hdw *hdw)
+{
+        struct v4l2_control ctrl;
+        pvr2_trace(PVR2_TRACE_CHIPS,
+                   "i2c v4l2 set_volume"
+                   "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
+                   hdw->volume_val,
+                   hdw->balance_val,
+                   hdw->bass_val,
+                   hdw->treble_val,
+                   hdw->mute_val);
+        memset(&ctrl,0,sizeof(ctrl));
+        ctrl.id = V4L2_CID_AUDIO_MUTE;
+        ctrl.value = hdw->mute_val ? 1 : 0;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_AUDIO_VOLUME;
+        ctrl.value = hdw->volume_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_AUDIO_BALANCE;
+        ctrl.value = hdw->balance_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_AUDIO_BASS;
+        ctrl.value = hdw->bass_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+        ctrl.id = V4L2_CID_AUDIO_TREBLE;
+        ctrl.value = hdw->treble_val;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
+}
+
+
+static int check_volume(struct pvr2_hdw *hdw)
+{
+        return (hdw->volume_dirty ||
+                hdw->balance_dirty ||
+                hdw->bass_dirty ||
+                hdw->treble_dirty ||
+                hdw->mute_dirty);
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
+        .check = check_volume,
+        .update = set_volume,
+        .name = "v4l2_volume",
+};
+
+
+static void set_frequency(struct pvr2_hdw *hdw)
+{
+        unsigned long fv;
+        struct v4l2_frequency freq;
+        fv = hdw->freqVal;
+        pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
+        memset(&freq,0,sizeof(freq));
+        freq.frequency = fv / 62500;
+        freq.tuner = 0;
+        freq.type = V4L2_TUNER_ANALOG_TV;
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
+}
+
+
+static int check_frequency(struct pvr2_hdw *hdw)
+{
+        return hdw->freqDirty != 0;
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
+        .check = check_frequency,
+        .update = set_frequency,
+        .name = "v4l2_freq",
+};
+
+
+static void set_size(struct pvr2_hdw *hdw)
+{
+        struct v4l2_format fmt;
+
+        memset(&fmt,0,sizeof(fmt));
+
+        fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+        fmt.fmt.pix.width = hdw->res_hor_val;
+        fmt.fmt.pix.height = hdw->res_ver_val;
+
+        pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
+                           fmt.fmt.pix.width,fmt.fmt.pix.height);
+
+        pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
+}
+
+
+static int check_size(struct pvr2_hdw *hdw)
+{
+        return (hdw->res_hor_dirty || hdw->res_ver_dirty);
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
+        .check = check_size,
+        .update = set_size,
+        .name = "v4l2_size",
+};
+
+
+static void do_log(struct pvr2_hdw *hdw)
+{
+        pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
+        pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,0);
+
+}
+
+
+static int check_log(struct pvr2_hdw *hdw)
+{
+        return hdw->log_requested != 0;
+}
+
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
+        .check = check_log,
+        .update = do_log,
+        .name = "v4l2_log",
+};
+
+
+void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
+{
+        pvr2_i2c_client_cmd(cp,
+                            (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),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: ***
+  */