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Diffstat (limited to 'v4l_experimental/pvrusb2/pvrusb2-video-v4l.c')
-rw-r--r--v4l_experimental/pvrusb2/pvrusb2-video-v4l.c248
1 files changed, 0 insertions, 248 deletions
diff --git a/v4l_experimental/pvrusb2/pvrusb2-video-v4l.c b/v4l_experimental/pvrusb2/pvrusb2-video-v4l.c
deleted file mode 100644
index f4948a7a7..000000000
--- a/v4l_experimental/pvrusb2/pvrusb2-video-v4l.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- *
- * $Id: pvrusb2-video-v4l.c,v 1.10 2006/01/22 03:48:34 mcisely Exp $
- *
- * 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
- *
- */
-
-/*
-
- 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 <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
-struct pvr2_v4l_decoder {
- struct pvr2_i2c_handler handler;
- struct pvr2_decoder_ctrl ctrl;
- struct pvr2_i2c_client *client;
- struct pvr2_hdw *hdw;
- unsigned long stale_mask;
-};
-
-
-static void set_input(struct pvr2_v4l_decoder *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- int v = 0;
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_input(%d)",
- hdw->controls[PVR2_CID_INPUT].value);
- switch(hdw->controls[PVR2_CID_INPUT].value){
- case PVR2_CVAL_INPUT_TV:
- v = 4;
- break;
- case PVR2_CVAL_INPUT_COMPOSITE:
- v = 5;
- break;
- case PVR2_CVAL_INPUT_SVIDEO:
- v = 8;
- break;
- case PVR2_CVAL_INPUT_RADIO:
- // ????? No idea yet what to do here
- default:
- return;
- }
- pvr2_i2c_client_cmd(ctxt->client,VIDIOC_S_INPUT,&v);
-}
-
-
-static int check_input(struct pvr2_v4l_decoder *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- return hdw->controls[PVR2_CID_INPUT].dirty != 0;
-}
-
-
-static void set_audio(struct pvr2_v4l_decoder *ctxt)
-{
- u32 val;
- struct pvr2_hdw *hdw = ctxt->hdw;
-
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_audio %d",
- hdw->controls[PVR2_CID_SRATE].value);
- switch (hdw->controls[PVR2_CID_SRATE].value) {
- default:
- case PVR2_CVAL_SRATE_48:
- val = 48000;
- break;
- case PVR2_CVAL_SRATE_44_1:
- val = 44100;
- break;
- }
- pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_AUDIO_CLOCK_FREQ,&val);
-}
-
-
-static int check_audio(struct pvr2_v4l_decoder *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- return hdw->controls[PVR2_CID_SRATE].dirty != 0;
-}
-
-
-struct pvr2_v4l_decoder_ops {
- void (*update)(struct pvr2_v4l_decoder *);
- int (*check)(struct pvr2_v4l_decoder *);
-};
-
-
-static const struct pvr2_v4l_decoder_ops decoder_ops[] = {
- { .update = set_input, .check = check_input},
- { .update = set_audio, .check = check_audio},
-};
-
-
-static void decoder_detach(struct pvr2_v4l_decoder *ctxt)
-{
- ctxt->client->handler = 0;
- ctxt->hdw->decoder_ctrl = 0;
- kfree(ctxt);
-}
-
-
-static int decoder_check(struct pvr2_v4l_decoder *ctxt)
-{
- unsigned long msk;
- unsigned int idx;
-
- for (idx = 0; idx < sizeof(decoder_ops)/sizeof(decoder_ops[0]);
- idx++) {
- msk = 1 << idx;
- if (ctxt->stale_mask & msk) continue;
- if (decoder_ops[idx].check(ctxt)) {
- ctxt->stale_mask |= msk;
- }
- }
- return ctxt->stale_mask != 0;
-}
-
-
-static void decoder_update(struct pvr2_v4l_decoder *ctxt)
-{
- unsigned long msk;
- unsigned int idx;
-
- for (idx = 0; idx < sizeof(decoder_ops)/sizeof(decoder_ops[0]);
- idx++) {
- msk = 1 << idx;
- if (!(ctxt->stale_mask & msk)) continue;
- ctxt->stale_mask &= ~msk;
- decoder_ops[idx].update(ctxt);
- }
-}
-
-
-static int decoder_detect(struct pvr2_i2c_client *cp)
-{
- /* Attempt to query the decoder - let's see if it will answer */
- struct v4l2_tuner vt;
- int ret;
-
- memset(&vt,0,sizeof(vt));
- ret = pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&vt);
- return ret == 0; /* Return true if it answered */
-}
-
-
-static void decoder_enable(struct pvr2_v4l_decoder *ctxt,int fl)
-{
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 decoder_enable(%d)",fl);
- pvr2_i2c_client_cmd(ctxt->client,
- (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),0);
-}
-
-
-static int decoder_is_tuned(struct pvr2_v4l_decoder *ctxt)
-{
- struct v4l2_tuner vt;
- int ret;
-
- memset(&vt,0,sizeof(vt));
- ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_G_TUNER,&vt);
- if (ret < 0) return -EINVAL;
- return vt.signal ? 1 : 0;
-}
-
-
-static unsigned int decoder_describe(struct pvr2_v4l_decoder *ctxt,char *buf,unsigned int cnt)
-{
- return scnprintf(buf,cnt,"handler: pvrusb2-video-v4l");
-}
-
-
-const static struct pvr2_i2c_handler_functions hfuncs = {
- .detach = (void (*)(void *))decoder_detach,
- .check = (int (*)(void *))decoder_check,
- .update = (void (*)(void *))decoder_update,
- .describe = (unsigned int (*)(void *,char *,unsigned int))decoder_describe,
-};
-
-
-int pvr2_i2c_decoder_v4l_setup(struct pvr2_hdw *hdw,
- struct pvr2_i2c_client *cp)
-{
- struct pvr2_v4l_decoder *ctxt;
-
- if (hdw->decoder_ctrl) return 0;
- if (cp->handler) return 0;
- if (!decoder_detect(cp)) return 0;
-
- ctxt = kmalloc(sizeof(*ctxt),GFP_KERNEL);
- if (!ctxt) return 0;
- memset(ctxt,0,sizeof(*ctxt));
-
- ctxt->handler.func_data = ctxt;
- ctxt->handler.func_table = &hfuncs;
- ctxt->ctrl.ctxt = ctxt;
- ctxt->ctrl.detach = (void (*)(void *))decoder_detach;
- ctxt->ctrl.enable = (void (*)(void *,int))decoder_enable;
- ctxt->ctrl.tuned = (int (*)(void *))decoder_is_tuned;
- ctxt->client = cp;
- ctxt->hdw = hdw;
- ctxt->stale_mask = (1 << (sizeof(decoder_ops)/
- sizeof(decoder_ops[0]))) - 1;
- hdw->decoder_ctrl = &ctxt->ctrl;
- cp->handler = &ctxt->handler;
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x saa711x V4L2 handler set up",
- cp->client->addr);
- return !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: ***
- */
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