diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/sound/dapm-graph | 44 | ||||
| -rw-r--r-- | tools/testing/selftests/alsa/Makefile | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/alsa/global-timer.c | 87 | ||||
| -rw-r--r-- | tools/testing/selftests/alsa/utimer-test.c | 164 |
4 files changed, 288 insertions, 11 deletions
diff --git a/tools/sound/dapm-graph b/tools/sound/dapm-graph index 57d78f6df041..f14bdfedee8f 100755 --- a/tools/sound/dapm-graph +++ b/tools/sound/dapm-graph @@ -8,6 +8,8 @@ set -eu +STYLE_COMPONENT_ON="color=dodgerblue;style=bold" +STYLE_COMPONENT_OFF="color=gray40;style=filled;fillcolor=gray90" STYLE_NODE_ON="shape=box,style=bold,color=green4" STYLE_NODE_OFF="shape=box,style=filled,color=gray30,fillcolor=gray95" @@ -132,11 +134,17 @@ process_dapm_widget() # Collect any links. We could use "in" links or "out" links, # let's use "in" links if echo "${line}" | grep -q '^in '; then + local w_route=$(echo "$line" | awk -F\" '{print $2}') local w_src=$(echo "$line" | awk -F\" '{print $6 "_" $4}' | sed 's/^(null)_/ROOT_/') dbg_echo " - Input route from: ${w_src}" - echo " \"${w_src}\" -> \"$w_tag\"" >> "${links_file}" + dbg_echo " - Route: ${w_route}" + local w_edge_attrs="" + if [ "${w_route}" != "static" ]; then + w_edge_attrs=" [label=\"${w_route}\"]" + fi + echo " \"${w_src}\" -> \"$w_tag\"${w_edge_attrs}" >> "${links_file}" fi done @@ -150,16 +158,20 @@ process_dapm_widget() # # $1 = temporary work dir # $2 = component directory -# $3 = forced component name (extracted for path if empty) +# $3 = "ROOT" for the root card directory, empty otherwise process_dapm_component() { local tmp_dir="${1}" local c_dir="${2}" local c_name="${3}" + local is_component=0 local dot_file="${tmp_dir}/main.dot" local links_file="${tmp_dir}/links.dot" + local c_attribs="" if [ -z "${c_name}" ]; then + is_component=1 + # Extract directory name into component name: # "./cs42l51.0-004a/dapm" -> "cs42l51.0-004a" c_name="$(basename $(dirname "${c_dir}"))" @@ -167,11 +179,23 @@ process_dapm_component() dbg_echo " * Component: ${c_name}" - echo "" >> "${dot_file}" - echo " subgraph \"${c_name}\" {" >> "${dot_file}" - echo " cluster = true" >> "${dot_file}" - echo " label = \"${c_name}\"" >> "${dot_file}" - echo " color=dodgerblue" >> "${dot_file}" + if [ ${is_component} = 1 ]; then + if [ -f "${c_dir}/bias_level" ]; then + c_onoff=$(sed -n -e 1p "${c_dir}/bias_level" | awk '{print $1}') + dbg_echo " - bias_level: ${c_onoff}" + if [ "$c_onoff" = "On" ]; then + c_attribs="${STYLE_COMPONENT_ON}" + elif [ "$c_onoff" = "Off" ]; then + c_attribs="${STYLE_COMPONENT_OFF}" + fi + fi + + echo "" >> "${dot_file}" + echo " subgraph \"${c_name}\" {" >> "${dot_file}" + echo " cluster = true" >> "${dot_file}" + echo " label = \"${c_name}\"" >> "${dot_file}" + echo " ${c_attribs}" >> "${dot_file}" + fi # Create empty file to ensure it will exist in all cases >"${links_file}" @@ -181,7 +205,9 @@ process_dapm_component() process_dapm_widget "${tmp_dir}" "${c_name}" "${w_file}" done - echo " }" >> "${dot_file}" + if [ ${is_component} = 1 ]; then + echo " }" >> "${dot_file}" + fi cat "${links_file}" >> "${dot_file}" } @@ -200,7 +226,7 @@ process_dapm_tree() echo "digraph G {" > "${dot_file}" echo " fontname=\"sans-serif\"" >> "${dot_file}" echo " node [fontname=\"sans-serif\"]" >> "${dot_file}" - + echo " edge [fontname=\"sans-serif\"]" >> "${dot_file}" # Process root directory (no component) process_dapm_component "${tmp_dir}" "${dapm_dir}/dapm" "ROOT" diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile index c1ce39874e2b..25be68025290 100644 --- a/tools/testing/selftests/alsa/Makefile +++ b/tools/testing/selftests/alsa/Makefile @@ -12,9 +12,9 @@ LDLIBS+=-lpthread OVERRIDE_TARGETS = 1 -TEST_GEN_PROGS := mixer-test pcm-test test-pcmtest-driver +TEST_GEN_PROGS := mixer-test pcm-test test-pcmtest-driver utimer-test -TEST_GEN_PROGS_EXTENDED := libatest.so +TEST_GEN_PROGS_EXTENDED := libatest.so global-timer TEST_FILES := conf.d pcm-test.conf diff --git a/tools/testing/selftests/alsa/global-timer.c b/tools/testing/selftests/alsa/global-timer.c new file mode 100644 index 000000000000..c15ec0ba851a --- /dev/null +++ b/tools/testing/selftests/alsa/global-timer.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This tool is used by the utimer test, and it allows us to + * count the ticks of a global timer in a certain time frame + * (which is set by `timeout` parameter). + * + * Author: Ivan Orlov <ivan.orlov0322@gmail.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include <alsa/asoundlib.h> +#include <time.h> + +static int ticked; +static void async_callback(snd_async_handler_t *ahandler) +{ + ticked++; +} + +static char timer_name[64]; +static void bind_to_timer(int device, int subdevice, int timeout) +{ + snd_timer_t *handle; + snd_timer_params_t *params; + snd_async_handler_t *ahandler; + + time_t end; + + sprintf(timer_name, "hw:CLASS=%d,SCLASS=%d,DEV=%d,SUBDEV=%d", + SND_TIMER_CLASS_GLOBAL, SND_TIMER_SCLASS_NONE, + device, subdevice); + + snd_timer_params_alloca(¶ms); + + if (snd_timer_open(&handle, timer_name, SND_TIMER_OPEN_NONBLOCK) < 0) { + perror("Can't open the timer"); + exit(EXIT_FAILURE); + } + + snd_timer_params_set_auto_start(params, 1); + snd_timer_params_set_ticks(params, 1); + if (snd_timer_params(handle, params) < 0) { + perror("Can't set timer params"); + exit(EXIT_FAILURE); + } + + if (snd_async_add_timer_handler(&ahandler, handle, async_callback, NULL) < 0) { + perror("Can't create a handler"); + exit(EXIT_FAILURE); + } + end = time(NULL) + timeout; + if (snd_timer_start(handle) < 0) { + perror("Failed to start the timer"); + exit(EXIT_FAILURE); + } + printf("Timer has started\n"); + while (time(NULL) <= end) { + /* + * Waiting for the timeout to elapse. Can't use sleep here, as it gets + * constantly interrupted by the signal from the timer (SIGIO) + */ + } + snd_timer_stop(handle); + snd_timer_close(handle); +} + +int main(int argc, char *argv[]) +{ + int device, subdevice, timeout; + + if (argc < 4) { + perror("Usage: %s <device> <subdevice> <timeout>"); + return EXIT_FAILURE; + } + + setlinebuf(stdout); + + device = atoi(argv[1]); + subdevice = atoi(argv[2]); + timeout = atoi(argv[3]); + + bind_to_timer(device, subdevice, timeout); + + printf("Total ticks count: %d\n", ticked); + + return EXIT_SUCCESS; +} diff --git a/tools/testing/selftests/alsa/utimer-test.c b/tools/testing/selftests/alsa/utimer-test.c new file mode 100644 index 000000000000..32ee3ce57721 --- /dev/null +++ b/tools/testing/selftests/alsa/utimer-test.c @@ -0,0 +1,164 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This test covers the functionality of userspace-driven ALSA timers. Such timers + * are purely virtual (so they don't directly depend on the hardware), and they could be + * created and triggered by userspace applications. + * + * Author: Ivan Orlov <ivan.orlov0322@gmail.com> + */ +#include "../kselftest_harness.h" +#include <sound/asound.h> +#include <unistd.h> +#include <fcntl.h> +#include <limits.h> +#include <sys/ioctl.h> +#include <stdlib.h> +#include <pthread.h> +#include <string.h> + +#define FRAME_RATE 8000 +#define PERIOD_SIZE 4410 +#define UTIMER_DEFAULT_ID -1 +#define UTIMER_DEFAULT_FD -1 +#define NANO 1000000000ULL +#define TICKS_COUNT 10 +#define TICKS_RECORDING_DELTA 5 +#define TIMER_OUTPUT_BUF_LEN 1024 +#define TIMER_FREQ_SEC 1 +#define RESULT_PREFIX_LEN strlen("Total ticks count: ") + +enum timer_app_event { + TIMER_APP_STARTED, + TIMER_APP_RESULT, + TIMER_NO_EVENT, +}; + +FIXTURE(timer_f) { + struct snd_timer_uinfo *utimer_info; +}; + +FIXTURE_SETUP(timer_f) { + int timer_dev_fd; + + if (geteuid()) + SKIP(return, "This test needs root to run!"); + + self->utimer_info = calloc(1, sizeof(*self->utimer_info)); + ASSERT_NE(NULL, self->utimer_info); + + /* Resolution is the time the period of frames takes in nanoseconds */ + self->utimer_info->resolution = (NANO / FRAME_RATE * PERIOD_SIZE); + + timer_dev_fd = open("/dev/snd/timer", O_RDONLY); + ASSERT_GE(timer_dev_fd, 0); + + ASSERT_EQ(ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, self->utimer_info), 0); + ASSERT_GE(self->utimer_info->fd, 0); + + close(timer_dev_fd); +} + +FIXTURE_TEARDOWN(timer_f) { + close(self->utimer_info->fd); + free(self->utimer_info); +} + +static void *ticking_func(void *data) +{ + int i; + int *fd = (int *)data; + + for (i = 0; i < TICKS_COUNT; i++) { + /* Well, trigger the timer! */ + ioctl(*fd, SNDRV_TIMER_IOCTL_TRIGGER, NULL); + sleep(TIMER_FREQ_SEC); + } + + return NULL; +} + +static enum timer_app_event parse_timer_output(const char *s) +{ + if (strstr(s, "Timer has started")) + return TIMER_APP_STARTED; + if (strstr(s, "Total ticks count")) + return TIMER_APP_RESULT; + + return TIMER_NO_EVENT; +} + +static int parse_timer_result(const char *s) +{ + char *end; + long d; + + d = strtol(s + RESULT_PREFIX_LEN, &end, 10); + if (end == s + RESULT_PREFIX_LEN) + return -1; + + return d; +} + +/* + * This test triggers the timer and counts ticks at the same time. The amount + * of the timer trigger calls should be equal to the amount of ticks received. + */ +TEST_F(timer_f, utimer) { + char command[64]; + pthread_t ticking_thread; + int total_ticks = 0; + FILE *rfp; + char *buf = malloc(TIMER_OUTPUT_BUF_LEN); + + ASSERT_NE(buf, NULL); + + /* The timeout should be the ticks interval * count of ticks + some delta */ + sprintf(command, "./global-timer %d %d %d", SNDRV_TIMER_GLOBAL_UDRIVEN, + self->utimer_info->id, TICKS_COUNT * TIMER_FREQ_SEC + TICKS_RECORDING_DELTA); + + rfp = popen(command, "r"); + while (fgets(buf, TIMER_OUTPUT_BUF_LEN, rfp)) { + buf[TIMER_OUTPUT_BUF_LEN - 1] = 0; + switch (parse_timer_output(buf)) { + case TIMER_APP_STARTED: + /* global-timer waits for timer to trigger, so start the ticking thread */ + pthread_create(&ticking_thread, NULL, ticking_func, + &self->utimer_info->fd); + break; + case TIMER_APP_RESULT: + total_ticks = parse_timer_result(buf); + break; + case TIMER_NO_EVENT: + break; + } + } + pthread_join(ticking_thread, NULL); + ASSERT_EQ(total_ticks, TICKS_COUNT); + pclose(rfp); +} + +TEST(wrong_timers_test) { + int timer_dev_fd; + int utimer_fd; + size_t i; + struct snd_timer_uinfo wrong_timer = { + .resolution = 0, + .id = UTIMER_DEFAULT_ID, + .fd = UTIMER_DEFAULT_FD, + }; + + timer_dev_fd = open("/dev/snd/timer", O_RDONLY); + ASSERT_GE(timer_dev_fd, 0); + + utimer_fd = ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, &wrong_timer); + ASSERT_LT(utimer_fd, 0); + /* Check that id was not updated */ + ASSERT_EQ(wrong_timer.id, UTIMER_DEFAULT_ID); + + /* Test the NULL as an argument is processed correctly */ + ASSERT_LT(ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, NULL), 0); + + close(timer_dev_fd); +} + +TEST_HARNESS_MAIN |