From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c | 87 +++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c (limited to 'drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c') diff --git a/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c new file mode 100644 index 000000000..16dd3e859 --- /dev/null +++ b/drivers/media/usb/pvrusb2/pvrusb2-video-v4l.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Copyright (C) 2005 Mike Isely + * Copyright (C) 2004 Aurelien Alleaume + */ + +/* + + This source file is specifically designed to interface with the + saa711x support that is available in the v4l available starting + with linux 2.6.15. + +*/ + +#include "pvrusb2-video-v4l.h" + + + +#include "pvrusb2-hdw-internal.h" +#include "pvrusb2-debug.h" +#include +#include +#include +#include + +struct routing_scheme { + const int *def; + unsigned int cnt; +}; + + +static const int routing_scheme0[] = { + [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4, + /* In radio mode, we mute the video, but point at one + spot just to stay consistent */ + [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5, + [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5, + [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, +}; + +static const struct routing_scheme routing_def0 = { + .def = routing_scheme0, + .cnt = ARRAY_SIZE(routing_scheme0), +}; + +static const int routing_scheme1[] = { + [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4, + [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5, + [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3, + [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, /* or SVIDEO0, it seems */ +}; + +static const struct routing_scheme routing_def1 = { + .def = routing_scheme1, + .cnt = ARRAY_SIZE(routing_scheme1), +}; + +static const struct routing_scheme *routing_schemes[] = { + [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0, + [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1, +}; + +void pvr2_saa7115_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 v4l2 set_input(%d)", + hdw->input_val); + + 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 v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)", + sid, hdw->input_val); + return; + } + input = sp->def[hdw->input_val]; + sd->ops->video->s_routing(sd, input, 0, 0); + } +} -- cgit v1.2.3