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authorHans Verkuil <hverkuil@xs4all.nl>2007-04-27 12:31:25 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-04-27 15:43:50 -0300
commit1a0adaf37c30e89e44d1470ef604a930999a5826 (patch)
tree6e6d6e823f44abdb2ed3847e00406a75bc968cef /drivers/media/video/ivtv/ivtv-video.c
parentac52ea3c3c04403d10acf0253180ec6f51977142 (diff)
V4L/DVB (5345): ivtv driver for Conexant cx23416/cx23415 MPEG encoder/decoder
It took three core maintainers, over four years of work, eight new i2c modules, eleven new V4L2 ioctls, three new DVB video ioctls, a Sliced VBI API, a new MPEG encoder API, an enhanced DVB video MPEG decoding API, major YUV/OSD contributions from Ian and John, web/wiki/svn/trac support from Axel Thimm, (hardware) support from Hauppauge, support and assistance from the v4l-dvb people and the many, many users of ivtv to finally make it possible to merge this driver into the kernel. Thank you all! Signed-off-by: Kevin Thayer <nufan_wfk@yahoo.com> Signed-off-by: Chris Kennedy <c@groovy.org> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: John P Harvey <john.p.harvey@btinternet.com> Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-video.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-video.c150
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-video.c b/drivers/media/video/ivtv/ivtv-video.c
new file mode 100644
index 00000000000..77e42d13cde
--- /dev/null
+++ b/drivers/media/video/ivtv/ivtv-video.c
@@ -0,0 +1,150 @@
+/*
+ saa7127 interface functions
+ Copyright (C) 2004-2007 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-video.h"
+#include "ivtv-i2c.h"
+#include "ivtv-gpio.h"
+#include "ivtv-cards.h"
+#include <media/upd64031a.h>
+#include <media/upd64083.h>
+
+void ivtv_set_vps(struct ivtv *itv, int enabled, u8 vps1, u8 vps2, u8 vps3,
+ u8 vps4, u8 vps5)
+{
+ struct v4l2_sliced_vbi_data data;
+
+ if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
+ return;
+ data.id = V4L2_SLICED_VPS;
+ data.field = 0;
+ data.line = enabled ? 16 : 0;
+ data.data[4] = vps1;
+ data.data[10] = vps2;
+ data.data[11] = vps3;
+ data.data[12] = vps4;
+ data.data[13] = vps5;
+ ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
+}
+
+void ivtv_set_cc(struct ivtv *itv, int mode, u8 cc1, u8 cc2, u8 cc3, u8 cc4)
+{
+ struct v4l2_sliced_vbi_data data;
+
+ if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
+ return;
+ data.id = V4L2_SLICED_CAPTION_525;
+ data.field = 0;
+ data.line = (mode & 1) ? 21 : 0;
+ data.data[0] = cc1;
+ data.data[1] = cc2;
+ ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
+ data.field = 1;
+ data.line = (mode & 2) ? 21 : 0;
+ data.data[0] = cc3;
+ data.data[1] = cc4;
+ ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
+}
+
+void ivtv_set_wss(struct ivtv *itv, int enabled, int mode)
+{
+ struct v4l2_sliced_vbi_data data;
+
+ if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
+ return;
+ /* When using a 50 Hz system, always turn on the
+ wide screen signal with 4x3 ratio as the default.
+ Turning this signal on and off can confuse certain
+ TVs. As far as I can tell there is no reason not to
+ transmit this signal. */
+ if ((itv->std & V4L2_STD_625_50) && !enabled) {
+ enabled = 1;
+ mode = 0x08; /* 4x3 full format */
+ }
+ data.id = V4L2_SLICED_WSS_625;
+ data.field = 0;
+ data.line = enabled ? 23 : 0;
+ data.data[0] = mode & 0xff;
+ data.data[1] = (mode >> 8) & 0xff;
+ ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
+}
+
+void ivtv_encoder_enable(struct ivtv *itv, int enabled)
+{
+ if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
+ ivtv_saa7127(itv, enabled ? VIDIOC_STREAMON : VIDIOC_STREAMOFF,
+ &enabled);
+ }
+}
+
+void ivtv_video_set_io(struct ivtv *itv)
+{
+ struct v4l2_routing route;
+ int inp = itv->active_input;
+ u32 type;
+
+ route.input = itv->card->video_inputs[inp].video_input;
+ route.output = 0;
+ itv->video_dec_func(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+
+ type = itv->card->video_inputs[inp].video_type;
+
+ if (type == IVTV_CARD_INPUT_VID_TUNER) {
+ route.input = 0; /* Tuner */
+ } else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
+ route.input = 2; /* S-Video */
+ } else {
+ route.input = 1; /* Composite */
+ }
+
+ if (itv->card->hw_video & IVTV_HW_GPIO)
+ ivtv_gpio(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+
+ if (itv->card->hw_video & IVTV_HW_UPD64031A) {
+ if (type == IVTV_CARD_INPUT_VID_TUNER ||
+ type >= IVTV_CARD_INPUT_COMPOSITE1) {
+ /* Composite: GR on, connect to 3DYCS */
+ route.input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
+ } else {
+ /* S-Video: GR bypassed, turn it off */
+ route.input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
+ }
+ route.input |= itv->card->gr_config;
+
+ ivtv_upd64031a(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+ }
+
+ if (itv->card->hw_video & IVTV_HW_UPD6408X) {
+ route.input = UPD64083_YCS_MODE;
+ if (type > IVTV_CARD_INPUT_VID_TUNER &&
+ type < IVTV_CARD_INPUT_COMPOSITE1) {
+ /* S-Video uses YCNR mode and internal Y-ADC, the upd64031a
+ is not used. */
+ route.input |= UPD64083_YCNR_MODE;
+ }
+ else if (itv->card->hw_video & IVTV_HW_UPD64031A) {
+ /* Use upd64031a output for tuner and composite(CX23416GYC only) inputs */
+ if ((type == IVTV_CARD_INPUT_VID_TUNER)||
+ (itv->card->type == IVTV_CARD_CX23416GYC)) {
+ route.input |= UPD64083_EXT_Y_ADC;
+ }
+ }
+ ivtv_upd64083(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+ }
+}