diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/modehotplug/Makefile | 14 | ||||
| -rw-r--r-- | tests/modehotplug/demo.c | 157 | ||||
| -rwxr-xr-x | tests/modehotplug/test | 1 |
3 files changed, 172 insertions, 0 deletions
diff --git a/tests/modehotplug/Makefile b/tests/modehotplug/Makefile new file mode 100644 index 00000000..467fb11a --- /dev/null +++ b/tests/modehotplug/Makefile @@ -0,0 +1,14 @@ + +all: app + +#CFLAGS = -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ +# -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \ + +app: demo.c + @gcc $(CFLAGS) -o app -Wall -I../../libdrm -I../../shared-core -L../../libdrm/.libs -ldrm demo.c + +clean: + @rm -f app + +run: app + sudo ./test diff --git a/tests/modehotplug/demo.c b/tests/modehotplug/demo.c new file mode 100644 index 00000000..4ef2e386 --- /dev/null +++ b/tests/modehotplug/demo.c @@ -0,0 +1,157 @@ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <unistd.h> +#include <string.h> + +#include "xf86drm.h" +#include "xf86drmMode.h" + +/* structs for the demo_driver */ + +#define DEMO_MAX_OUTPUTS 8 + +struct demo_driver +{ + /* drm stuff */ + int fd; + drmModeResPtr res; + uint32_t counter; + + drmModeOutputPtr outputs[DEMO_MAX_OUTPUTS]; +}; + +struct demo_driver* demoCreateDriver(void); +void demoUpdateRes(struct demo_driver *driver); + +void demoPopulateOutputs(struct demo_driver *driver); +void demoHotplug(struct demo_driver *driver); + +const char* demoGetStatus(drmModeOutputPtr out); + +int main(int argc, char **argv) +{ + struct demo_driver *driver; + uint32_t temp; + int i; + + printf("starting demo\n"); + + driver = demoCreateDriver(); + + if (!driver) { + printf("failed to create driver\n"); + return 1; + } + + driver->counter = drmModeGetHotplug(driver->fd); + demoPopulateOutputs(driver); + while (driver->counter != (temp = drmModeGetHotplug(driver->fd))) { + demoPopulateOutputs(driver); + driver->counter = temp; + } + + for (i = 0; i < driver->res->count_outputs && i < DEMO_MAX_OUTPUTS; i++) { + printf("Output %u is %s\n", + driver->outputs[i]->output_id, + demoGetStatus(driver->outputs[i])); + } + + while(1) { + usleep(100000); + temp = drmModeGetHotplug(driver->fd); + if (temp == driver->counter) + continue; + + demoHotplug(driver); + driver->counter = temp; + } + + return 0; +} + +const char* demoGetStatus(drmModeOutputPtr output) +{ + switch (output->connection) { + case DRM_MODE_CONNECTED: + return "connected"; + case DRM_MODE_DISCONNECTED: + return "disconnected"; + default: + return "unknown"; + } +} + +void demoHotplug(struct demo_driver *driver) +{ + drmModeResPtr res = driver->res; + int i; + drmModeOutputPtr temp, current; + + for (i = 0; i < res->count_outputs && i < DEMO_MAX_OUTPUTS; i++) { + temp = drmModeGetOutput(driver->fd, res->outputs[i]); + current = driver->outputs[i]; + + if (temp->connection != current->connection) { + printf("Output %u became %s was %s\n", + temp->output_id, + demoGetStatus(temp), + demoGetStatus(current)); + } + + drmModeFreeOutput(current); + driver->outputs[i] = temp; + } +} + +void demoPopulateOutputs(struct demo_driver *driver) +{ + drmModeResPtr res = driver->res; + int i; + + for (i = 0; i < res->count_outputs && i < DEMO_MAX_OUTPUTS; i++) { + drmModeFreeOutput(driver->outputs[i]); + driver->outputs[i] = drmModeGetOutput(driver->fd, res->outputs[i]); + } +} + +struct demo_driver* demoCreateDriver(void) +{ + struct demo_driver* driver = malloc(sizeof(struct demo_driver)); + + memset(driver, 0, sizeof(struct demo_driver)); + + driver->fd = drmOpen("i915", NULL); + + if (driver->fd < 0) { + printf("Failed to open the card fb\n"); + goto err_driver; + } + + demoUpdateRes(driver); + if (!driver->res) { + printf("could not retrive resources\n"); + goto err_res; + } + + return driver; + +err_res: + drmClose(driver->fd); +err_driver: + free(driver); + return NULL; +} + +void demoUpdateRes(struct demo_driver *driver) +{ + if (driver->res) + drmModeFreeResources(driver->res); + + driver->res = drmModeGetResources(driver->fd); + + if (!driver->res) + printf("failed to get resources from kernel\n"); +} diff --git a/tests/modehotplug/test b/tests/modehotplug/test new file mode 100755 index 00000000..f98e3708 --- /dev/null +++ b/tests/modehotplug/test @@ -0,0 +1 @@ +LD_PRELOAD=../../libdrm/.libs/libdrm.so ./app |