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authorMike Isely <isely@pobox.com>2007-11-26 02:07:26 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:03:05 -0200
commitf5174af201f2e22c101bb02d06343e4bc5f056de (patch)
treea13e51ad387953b17f11360a5cb89d8abc0ea551 /drivers/media/video/pvrusb2
parentaaf7884db395332ae8474f3ea5bcdd39c0a941ea (diff)
V4L/DVB (6698): pvrusb2: Implement signal routing schemes
The exact routing of video and audio signals within a device is a device-specific attribute. Hauppauge devices do it one way; other types of device may route things differently. Unfortunately it is rather impractical to define chip-specific routing at the device attribute level, so instead what happens here is that "schemes" are defined. Each chip level interface implements its part of a given scheme and the scheme as a whole is made into a device specific attribute controlled via a table entry in pvrusb2-devattr.c. The only scheme defined here is for Hauppauge devices, but clearly this opens the door for other possibilities to follow. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/pvrusb2')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-audio.c62
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c69
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-devattr.c2
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-devattr.h9
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-video-v4l.c51
5 files changed, 140 insertions, 53 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
index 379645e481c6..9a7c8e9c3e8b 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -35,34 +35,58 @@ struct pvr2_msp3400_handler {
};
+
+struct routing_scheme {
+ const int *def;
+ unsigned int cnt;
+};
+
+static const int routing_scheme0[] = {
+ [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT,
+ [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+};
+
+static const struct routing_scheme routing_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+ },
+};
+
/* This function selects the correct audio input source */
static void set_stereo(struct pvr2_msp3400_handler *ctxt)
{
struct pvr2_hdw *hdw = ctxt->hdw;
struct v4l2_routing route;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
pvr2_trace(PVR2_TRACE_CHIPS,"i2c msp3400 v4l2 set_stereo");
- route.input = MSP_INPUT_DEFAULT;
- route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
- switch (hdw->input_val) {
- case PVR2_CVAL_INPUT_TV:
- break;
- case PVR2_CVAL_INPUT_RADIO:
- /* Assume that msp34xx also handle FM decoding, in which case
- we're still using the tuner. */
- /* HV: actually it is more likely to be the SCART2 input if
- the ivtv experience is any indication. */
- route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
- MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
- break;
- case PVR2_CVAL_INPUT_SVIDEO:
- case PVR2_CVAL_INPUT_COMPOSITE:
- /* SCART 1 input */
- route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
- MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
- break;
+ if ((sid < ARRAY_SIZE(routing_schemes)) &&
+ ((sp = routing_schemes + sid) != 0) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ route.input = sp->def[hdw->input_val];
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** i2c msp3400 v4l2 set_stereo:"
+ " Invalid routing scheme (%u) and/or input (%d)",
+ sid,hdw->input_val);
+ return;
}
+ route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index 2cca817e4144..b6714c41ea75 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -49,34 +49,65 @@ struct pvr2_v4l_cx2584x {
};
+struct routing_scheme_item {
+ int vid;
+ int aud;
+};
+
+struct routing_scheme {
+ const struct routing_scheme_item *def;
+ unsigned int cnt;
+};
+
+static const struct routing_scheme_item routing_scheme0[] = {
+ [PVR2_CVAL_INPUT_TV] = {
+ .vid = CX25840_COMPOSITE7,
+ .aud = CX25840_AUDIO8,
+ },
+ [PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
+ .vid = CX25840_COMPOSITE3,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_COMPOSITE] = {
+ .vid = CX25840_COMPOSITE3,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+ [PVR2_CVAL_INPUT_SVIDEO] = {
+ .vid = CX25840_SVIDEO1,
+ .aud = CX25840_AUDIO_SERIAL,
+ },
+};
+
+static const struct routing_scheme routing_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+ },
+};
+
static void set_input(struct pvr2_v4l_cx2584x *ctxt)
{
struct pvr2_hdw *hdw = ctxt->hdw;
struct v4l2_routing route;
enum cx25840_video_input vid_input;
enum cx25840_audio_input aud_input;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
memset(&route,0,sizeof(route));
- switch(hdw->input_val) {
- case PVR2_CVAL_INPUT_TV:
- vid_input = CX25840_COMPOSITE7;
- aud_input = CX25840_AUDIO8;
- break;
- case PVR2_CVAL_INPUT_RADIO: // Treat same as composite
- case PVR2_CVAL_INPUT_COMPOSITE:
- vid_input = CX25840_COMPOSITE3;
- aud_input = CX25840_AUDIO_SERIAL;
- break;
- case PVR2_CVAL_INPUT_SVIDEO:
- vid_input = CX25840_SVIDEO1;
- aud_input = CX25840_AUDIO_SERIAL;
- break;
- default:
- // Just set it to be composite input for now...
- vid_input = CX25840_COMPOSITE3;
- aud_input = CX25840_AUDIO_SERIAL;
- break;
+ if ((sid < ARRAY_SIZE(routing_schemes)) &&
+ ((sp = routing_schemes + sid) != 0) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ vid_input = sp->def[hdw->input_val].vid;
+ aud_input = sp->def[hdw->input_val].aud;
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** i2c cx2584x set_input:"
+ " Invalid routing scheme (%u) and/or input (%d)",
+ sid,hdw->input_val);
+ return;
}
pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx2584x set_input vid=0x%x aud=0x%x",
diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.c b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
index 54a401e8bb14..464a13a06494 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-devattr.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
@@ -73,6 +73,7 @@ const struct pvr2_device_desc pvr2_device_descriptions[] = {
.fx2_firmware.lst = pvr2_fw1_names_29xxx,
.fx2_firmware.cnt = ARRAY_SIZE(pvr2_fw1_names_29xxx),
.flag_has_hauppauge_rom = !0,
+ .signal_routing_scheme = PVR2_ROUTING_SCHEME_HAUPPAUGE,
},
[PVR2_HDW_TYPE_24XXX] = {
.description = "WinTV PVR USB2 Model Category 24xxxx",
@@ -84,6 +85,7 @@ const struct pvr2_device_desc pvr2_device_descriptions[] = {
.flag_has_cx25840 = !0,
.flag_has_wm8775 = !0,
.flag_has_hauppauge_rom = !0,
+ .signal_routing_scheme = PVR2_ROUTING_SCHEME_HAUPPAUGE,
},
};
diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.h b/drivers/media/video/pvrusb2/pvrusb2-devattr.h
index f63c3ddb8a72..05eb2c669ee8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-devattr.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.h
@@ -35,6 +35,7 @@ struct pvr2_string_table {
unsigned int cnt;
};
+#define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
/* This describes a particular hardware type (except for the USB device ID
which must live in a separate structure due to environmental
@@ -55,6 +56,14 @@ struct pvr2_device_desc {
was initialized from internal ROM. */
struct pvr2_string_table fx2_firmware;
+ /* Signal routing scheme used by device, contains one of
+ PVR2_ROUTING_SCHEME_XXX. Schemes have to be defined as we
+ encounter them. This is an arbitrary integer scheme id; its
+ meaning is contained entirely within the driver and is
+ interpreted by logic which must send commands to the chip-level
+ drivers (search for things which touch this field). */
+ unsigned int signal_routing_scheme;
+
/* V4L tuner type ID to use with this device (only used if the
driver could not discover the type any other way). */
int default_tuner_type;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
index 767e49022f9b..7c47345501b6 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
@@ -49,29 +49,50 @@ struct pvr2_v4l_decoder {
};
+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_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+ },
+};
+
static void set_input(struct pvr2_v4l_decoder *ctxt)
{
struct pvr2_hdw *hdw = ctxt->hdw;
struct v4l2_routing route;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
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:
- // In radio mode, we mute the video, but point at one
- // spot just to stay consistent
- route.input = SAA7115_COMPOSITE5;
- default:
+
+ if ((sid < ARRAY_SIZE(routing_schemes)) &&
+ ((sp = routing_schemes + sid) != 0) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ route.input = sp->def[hdw->input_val];
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** i2c v4l2 set_input:"
+ " Invalid routing scheme (%u) and/or input (%d)",
+ sid,hdw->input_val);
return;
}
+
route.output = 0;
pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_VIDEO_ROUTING,&route);
}