[PATCH] v4l2-compliance: Changes to support touch sensors

From: Nick Dyer
Date: Thu Jun 30 2016 - 13:51:57 EST


Signed-off-by: Nick Dyer <nick@xxxxxxxxxxxxx>
---
utils/v4l2-compliance/v4l2-compliance.cpp | 48 +++++++++++++++++++++++-
utils/v4l2-compliance/v4l2-compliance.h | 1 +
utils/v4l2-compliance/v4l2-test-input-output.cpp | 4 +-
3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/utils/v4l2-compliance/v4l2-compliance.cpp b/utils/v4l2-compliance/v4l2-compliance.cpp
index 48dc8b4..6bd4653 100644
--- a/utils/v4l2-compliance/v4l2-compliance.cpp
+++ b/utils/v4l2-compliance/v4l2-compliance.cpp
@@ -55,6 +55,7 @@ enum Option {
OptSetRadioDevice = 'r',
OptStreaming = 's',
OptSetSWRadioDevice = 'S',
+ OptSetTouchDevice = 't',
OptTrace = 'T',
OptVerbose = 'v',
OptSetVbiDevice = 'V',
@@ -105,6 +106,7 @@ static struct option long_options[] = {
{"vbi-device", required_argument, 0, OptSetVbiDevice},
{"sdr-device", required_argument, 0, OptSetSWRadioDevice},
{"expbuf-device", required_argument, 0, OptSetExpBufDevice},
+ {"touch-device", required_argument, 0, OptSetTouchDevice},
{"help", no_argument, 0, OptHelp},
{"verbose", no_argument, 0, OptVerbose},
{"no-warnings", no_argument, 0, OptNoWarnings},
@@ -134,6 +136,9 @@ static void usage(void)
printf(" -S, --sdr-device=<dev>\n");
printf(" Use device <dev> as the SDR device.\n");
printf(" If <dev> starts with a digit, then /dev/swradio<dev> is used.\n");
+ printf(" -t, --touch-device=<dev>\n");
+ printf(" Use device <dev> as the touch device.\n");
+ printf(" If <dev> starts with a digit, then /dev/v4l-touch<dev> is used.\n");
printf(" -e, --expbuf-device=<dev>\n");
printf(" Use device <dev> to obtain DMABUF handles.\n");
printf(" If <dev> starts with a digit, then /dev/video<dev> is used.\n");
@@ -206,6 +211,8 @@ std::string cap2s(unsigned cap)
s += "\t\tSDR Capture\n";
if (cap & V4L2_CAP_SDR_OUTPUT)
s += "\t\tSDR Output\n";
+ if (cap & V4L2_CAP_TOUCH)
+ s += "\t\tTouch Capture\n";
if (cap & V4L2_CAP_TUNER)
s += "\t\tTuner\n";
if (cap & V4L2_CAP_HW_FREQ_SEEK)
@@ -673,6 +680,8 @@ int main(int argc, char **argv)
struct node radio_node2;
struct node sdr_node;
struct node sdr_node2;
+ struct node touch_node;
+ struct node touch_node2;
struct node expbuf_node;

/* command args */
@@ -682,6 +691,7 @@ int main(int argc, char **argv)
const char *vbi_device = NULL; /* -V device */
const char *radio_device = NULL; /* -r device */
const char *sdr_device = NULL; /* -S device */
+ const char *touch_device = NULL; /* -t device */
const char *expbuf_device = NULL; /* --expbuf-device device */
struct v4l2_capability vcap; /* list_cap */
unsigned frame_count = 60;
@@ -750,6 +760,15 @@ int main(int argc, char **argv)
sdr_device = newdev;
}
break;
+ case OptSetTouchDevice:
+ touch_device = optarg;
+ if (touch_device[0] >= '0' && touch_device[0] <= '9' && strlen(touch_device) <= 3) {
+ static char newdev[20];
+
+ sprintf(newdev, "/dev/v4l-touch%s", touch_device);
+ touch_device = newdev;
+ }
+ break;
case OptSetExpBufDevice:
expbuf_device = optarg;
if (expbuf_device[0] >= '0' && expbuf_device[0] <= '9' && strlen(expbuf_device) <= 3) {
@@ -839,7 +858,8 @@ int main(int argc, char **argv)
if (v1 == 2 && v2 == 6)
kernel_version = v3;

- if (!video_device && !vbi_device && !radio_device && !sdr_device)
+ if (!video_device && !vbi_device && !radio_device &&
+ !sdr_device && !touch_device)
video_device = "/dev/video0";

if (video_device) {
@@ -886,6 +906,17 @@ int main(int argc, char **argv)
}
}

+ if (touch_device) {
+ touch_node.s_trace(options[OptTrace]);
+ touch_node.s_direct(direct);
+ fd = touch_node.open(touch_device, false);
+ if (fd < 0) {
+ fprintf(stderr, "Failed to open %s: %s\n", touch_device,
+ strerror(errno));
+ exit(1);
+ }
+ }
+
if (expbuf_device) {
expbuf_node.s_trace(options[OptTrace]);
expbuf_node.s_direct(true);
@@ -913,6 +944,10 @@ int main(int argc, char **argv)
node = sdr_node;
device = sdr_device;
node.is_sdr = true;
+ } else if (touch_node.g_fd() >= 0) {
+ node = touch_node;
+ device = touch_device;
+ node.is_touch = true;
}
node.device = device;

@@ -1013,6 +1048,17 @@ int main(int argc, char **argv)
node.node2 = &sdr_node2;
}
}
+ if (touch_device) {
+ touch_node2 = node;
+ printf("\ttest second touch open: %s\n",
+ ok(touch_node2.open(touch_device, false) >= 0 ? 0 : errno));
+ if (touch_node2.g_fd() >= 0) {
+ printf("\ttest VIDIOC_QUERYCAP: %s\n", ok(testCap(&touch_node2)));
+ printf("\ttest VIDIOC_G/S_PRIORITY: %s\n",
+ ok(testPrio(&node, &touch_node2)));
+ node.node2 = &touch_node2;
+ }
+ }
printf("\n");

storeState(&node);
diff --git a/utils/v4l2-compliance/v4l2-compliance.h b/utils/v4l2-compliance/v4l2-compliance.h
index 67ecbf5..60432b1 100644
--- a/utils/v4l2-compliance/v4l2-compliance.h
+++ b/utils/v4l2-compliance/v4l2-compliance.h
@@ -68,6 +68,7 @@ struct base_node {
bool is_radio;
bool is_vbi;
bool is_sdr;
+ bool is_touch;
bool is_m2m;
bool is_planar;
bool can_capture;
diff --git a/utils/v4l2-compliance/v4l2-test-input-output.cpp b/utils/v4l2-compliance/v4l2-test-input-output.cpp
index 05daf85..3b56968 100644
--- a/utils/v4l2-compliance/v4l2-test-input-output.cpp
+++ b/utils/v4l2-compliance/v4l2-test-input-output.cpp
@@ -371,7 +371,9 @@ static int checkInput(struct node *node, const struct v4l2_input &descr, unsigne
return fail("invalid index\n");
if (check_ustring(descr.name, sizeof(descr.name)))
return fail("invalid name\n");
- if (descr.type != V4L2_INPUT_TYPE_TUNER && descr.type != V4L2_INPUT_TYPE_CAMERA)
+ if (descr.type != V4L2_INPUT_TYPE_TUNER &&
+ descr.type != V4L2_INPUT_TYPE_CAMERA &&
+ descr.type != V4L2_INPUT_TYPE_TOUCH)
return fail("invalid type\n");
if (descr.type == V4L2_INPUT_TYPE_CAMERA && descr.tuner)
return fail("invalid tuner\n");
--
2.5.0