Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / pci / ivtv / ivtv-routing.c

diff --git a/kernel/drivers/media/pci/ivtv/ivtv-routing.c b/kernel/drivers/media/pci/ivtv/ivtv-routing.c
new file mode 100644 (file)
index 0000000..8898c56
--- /dev/null
+++ b/kernel/drivers/media/pci/ivtv/ivtv-routing.c
@@ -0,0 +1,119 @@
+/*
+    Audio/video-routing-related ivtv 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-i2c.h"
+#include "ivtv-cards.h"
+#include "ivtv-gpio.h"
+#include "ivtv-routing.h"
+
+#include <media/msp3400.h>
+#include <media/m52790.h>
+#include <media/upd64031a.h>
+#include <media/upd64083.h>
+
+/* Selects the audio input and output according to the current
+   settings. */
+void ivtv_audio_set_io(struct ivtv *itv)
+{
+       const struct ivtv_card_audio_input *in;
+       u32 input, output = 0;
+
+       /* Determine which input to use */
+       if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))
+               in = &itv->card->radio_input;
+       else
+               in = &itv->card->audio_inputs[itv->audio_input];
+
+       /* handle muxer chips */
+       input = in->muxer_input;
+       if (itv->card->hw_muxer & IVTV_HW_M52790)
+               output = M52790_OUT_STEREO;
+       v4l2_subdev_call(itv->sd_muxer, audio, s_routing,
+                       input, output, 0);
+
+       input = in->audio_input;
+       output = 0;
+       if (itv->card->hw_audio & IVTV_HW_MSP34XX)
+               output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
+       ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,
+                       input, output, 0);
+}
+
+/* Selects the video input and output according to the current
+   settings. */
+void ivtv_video_set_io(struct ivtv *itv)
+{
+       int inp = itv->active_input;
+       u32 input;
+       u32 type;
+
+       v4l2_subdev_call(itv->sd_video, video, s_routing,
+               itv->card->video_inputs[inp].video_input, 0, 0);
+
+       type = itv->card->video_inputs[inp].video_type;
+
+       if (type == IVTV_CARD_INPUT_VID_TUNER) {
+               input = 0;  /* Tuner */
+       } else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
+               input = 2;  /* S-Video */
+       } else {
+               input = 1;  /* Composite */
+       }
+
+       if (itv->card->hw_video & IVTV_HW_GPIO)
+               ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing,
+                               input, 0, 0);
+
+       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 */
+                       input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
+               } else {
+                       /* S-Video: GR bypassed, turn it off */
+                       input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
+               }
+               input |= itv->card->gr_config;
+
+               ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing,
+                               input, 0, 0);
+       }
+
+       if (itv->card->hw_video & IVTV_HW_UPD6408X) {
+               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. */
+                       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) {
+                               input |= UPD64083_EXT_Y_ADC;
+                       }
+               }
+               ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing,
+                               input, 0, 0);
+       }
+}