/*
*
- * $Id$
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
*/
#include "pvrusb2-video-v4l.h"
-#include "pvrusb2-i2c-cmd-v4l2.h"
+
#include "pvrusb2-hdw-internal.h"
#include <media/v4l2-common.h>
#include <media/saa7115.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;
- struct v4l2_routing route;
-
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_input(%d)",hdw->input_val);
- switch(hdw->input_val) {
- case PVR2_CVAL_INPUT_TV:
- route.input = SAA7115_COMPOSITE4;
- break;
- case PVR2_CVAL_INPUT_COMPOSITE:
- route.input = SAA7115_COMPOSITE5;
- break;
- case PVR2_CVAL_INPUT_SVIDEO:
- route.input = SAA7115_SVIDEO2;
- break;
- case PVR2_CVAL_INPUT_RADIO:
- // ????? No idea yet what to do here
- default:
- return;
- }
- route.output = 0;
- pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_VIDEO_ROUTING,&route);
-}
-
-static int check_input(struct pvr2_v4l_decoder *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- return hdw->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->srate_val);
- switch (hdw->srate_val) {
- 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->srate_dirty != 0;
-}
+struct routing_scheme {
+ const int *def;
+ unsigned int cnt;
+};
-struct pvr2_v4l_decoder_ops {
- void (*update)(struct pvr2_v4l_decoder *);
- int (*check)(struct pvr2_v4l_decoder *);
+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 pvr2_v4l_decoder_ops decoder_ops[] = {
- { .update = set_input, .check = check_input},
- { .update = set_audio, .check = check_audio},
+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 void decoder_detach(struct pvr2_v4l_decoder *ctxt)
-{
- ctxt->client->handler = 0;
- ctxt->hdw->decoder_ctrl = 0;
- kfree(ctxt);
-}
+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,
+};
-static int decoder_check(struct pvr2_v4l_decoder *ctxt)
+void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
- 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;
+ 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);
}
- 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_v4l2_cmd_stream(ctxt->client,fl);
-}
-
-
-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: ***
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff