Add support for generic object properties IOCTLs

New library calls:
- drmModeObjectGetProperties
- drmModeFreeObjectProperties
- drmModeObjectSetProperties

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Rob Clark <rob@ti.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
main
Paulo Zanoni 2012-05-15 18:38:28 -03:00 committed by Rob Clark
parent 247521a890
commit 8c75703df0
4 changed files with 123 additions and 0 deletions

View File

@ -731,6 +731,8 @@ struct drm_prime_handle {
#define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
#define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
#define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
#define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
#define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
/**
* Device specific ioctls should only be in their respective headers

View File

@ -250,6 +250,30 @@ struct drm_mode_connector_set_property {
__u32 connector_id;
};
#define DRM_MODE_OBJECT_CRTC 0xcccccccc
#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
#define DRM_MODE_OBJECT_MODE 0xdededede
#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
struct drm_mode_obj_get_properties {
__u64 props_ptr;
__u64 prop_values_ptr;
__u32 count_props;
__u32 obj_id;
__u32 obj_type;
};
struct drm_mode_obj_set_property {
__u64 value;
__u32 prop_id;
__u32 obj_id;
__u32 obj_type;
};
struct drm_mode_get_blob {
__u32 blob_id;
__u32 length;

View File

@ -974,3 +974,86 @@ void drmModeFreePlaneResources(drmModePlaneResPtr ptr)
drmFree(ptr->planes);
drmFree(ptr);
}
drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
uint32_t object_id,
uint32_t object_type)
{
struct drm_mode_obj_get_properties properties;
drmModeObjectPropertiesPtr ret = NULL;
uint32_t count;
retry:
memset(&properties, 0, sizeof(struct drm_mode_obj_get_properties));
properties.obj_id = object_id;
properties.obj_type = object_type;
if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties))
return 0;
count = properties.count_props;
if (count) {
properties.props_ptr = VOID2U64(drmMalloc(count *
sizeof(uint32_t)));
if (!properties.props_ptr)
goto err_allocs;
properties.prop_values_ptr = VOID2U64(drmMalloc(count *
sizeof(uint64_t)));
if (!properties.prop_values_ptr)
goto err_allocs;
}
if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties))
goto err_allocs;
if (count < properties.count_props) {
drmFree(U642VOID(properties.props_ptr));
drmFree(U642VOID(properties.prop_values_ptr));
goto retry;
}
count = properties.count_props;
ret = drmMalloc(sizeof(*ret));
if (!ret)
goto err_allocs;
ret->count_props = count;
ret->props = drmAllocCpy(U642VOID(properties.props_ptr),
count, sizeof(uint32_t));
ret->prop_values = drmAllocCpy(U642VOID(properties.prop_values_ptr),
count, sizeof(uint64_t));
if (ret->count_props && (!ret->props || !ret->prop_values)) {
drmFree(ret->props);
drmFree(ret->prop_values);
drmFree(ret);
ret = NULL;
}
err_allocs:
drmFree(U642VOID(properties.props_ptr));
drmFree(U642VOID(properties.prop_values_ptr));
return ret;
}
void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr)
{
if (!ptr)
return;
drmFree(ptr->props);
drmFree(ptr->prop_values);
drmFree(ptr);
}
int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type,
uint32_t property_id, uint64_t value)
{
struct drm_mode_obj_set_property prop;
prop.value = value;
prop.prop_id = property_id;
prop.obj_id = object_id;
prop.obj_type = object_type;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop);
}

View File

@ -281,6 +281,12 @@ typedef struct _drmModeConnector {
uint32_t *encoders; /**< List of encoder ids */
} drmModeConnector, *drmModeConnectorPtr;
typedef struct _drmModeObjectProperties {
uint32_t count_props;
uint32_t *props;
uint64_t *prop_values;
} drmModeObjectProperties, *drmModeObjectPropertiesPtr;
typedef struct _drmModePlane {
uint32_t count_formats;
uint32_t *formats;
@ -428,6 +434,14 @@ extern int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h);
extern drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
uint32_t object_id,
uint32_t object_type);
extern void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr);
extern int drmModeObjectSetProperty(int fd, uint32_t object_id,
uint32_t object_type, uint32_t property_id,
uint64_t value);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif