* TODO the types we are after are defined in diffrent headers on diffrent
* platforms find which headers to include to get uint32_t
*/
-#include <stdint.h>
-#include <sys/ioctl.h>
-#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+#include <stdio.h>
+#include <stdbool.h>
+
#include "xf86drmMode.h"
#include "xf86drm.h"
#include <drm.h>
#include <unistd.h>
#include <errno.h>
-#ifdef HAVE_VALGRIND
-#include <valgrind.h>
-#include <memcheck.h>
-#define VG(x) x
-#else
-#define VG(x)
-#endif
-
-#define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s)))
+#define memclear(s) memset(&s, 0, sizeof(s))
#define U642VOID(x) ((void *)(unsigned long)(x))
#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
* Util functions
*/
-void* drmAllocCpy(void *array, int count, int entry_size)
+static void* drmAllocCpy(char *array, int count, int entry_size)
{
char *r;
int i;
drmModeResPtr r = 0;
retry:
- memset(&res, 0, sizeof(struct drm_mode_card_res));
+ memclear(res);
if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
return 0;
struct drm_mode_fb_cmd f;
int ret;
- VG_CLEAR(f);
+ memclear(f);
f.width = width;
f.height = height;
f.pitch = pitch;
struct drm_mode_fb_cmd2 f;
int ret;
+ memclear(f);
f.width = width;
f.height = height;
f.pixel_format = pixel_format;
int drmModeRmFB(int fd, uint32_t bufferId)
{
return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);
-
-
}
drmModeFBPtr drmModeGetFB(int fd, uint32_t buf)
struct drm_mode_fb_cmd info;
drmModeFBPtr r;
+ memclear(info);
info.fb_id = buf;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info))
int drmModeDirtyFB(int fd, uint32_t bufferId,
drmModeClipPtr clips, uint32_t num_clips)
{
- struct drm_mode_fb_dirty_cmd dirty = { 0 };
+ struct drm_mode_fb_dirty_cmd dirty;
+ memclear(dirty);
dirty.fb_id = bufferId;
dirty.clips_ptr = VOID2U64(clips);
dirty.num_clips = num_clips;
struct drm_mode_crtc crtc;
drmModeCrtcPtr r;
- VG_CLEAR(crtc);
+ memclear(crtc);
crtc.crtc_id = crtcId;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc))
{
struct drm_mode_crtc crtc;
- VG_CLEAR(crtc);
+ memclear(crtc);
crtc.x = x;
crtc.y = y;
crtc.crtc_id = crtcId;
if (mode) {
memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo));
crtc.mode_valid = 1;
- } else
- crtc.mode_valid = 0;
+ }
return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc);
}
{
struct drm_mode_cursor arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_BO;
arg.crtc_id = crtcId;
arg.width = width;
{
struct drm_mode_cursor2 arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_BO;
arg.crtc_id = crtcId;
arg.width = width;
{
struct drm_mode_cursor arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_MOVE;
arg.crtc_id = crtcId;
arg.x = x;
struct drm_mode_get_encoder enc;
drmModeEncoderPtr r = NULL;
+ memclear(enc);
enc.encoder_id = encoder_id;
- enc.crtc_id = 0;
- enc.encoder_type = 0;
- enc.possible_crtcs = 0;
- enc.possible_clones = 0;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc))
return 0;
/*
* Connector manipulation
*/
-
-drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+static drmModeConnectorPtr
+_drmModeGetConnector(int fd, uint32_t connector_id, int probe)
{
struct drm_mode_get_connector conn, counts;
drmModeConnectorPtr r = NULL;
-retry:
- memset(&conn, 0, sizeof(struct drm_mode_get_connector));
+ memclear(conn);
conn.connector_id = connector_id;
+ if (!probe) {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(drmMalloc(sizeof(struct drm_mode_modeinfo)));
+ }
if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
return 0;
+retry:
counts = conn;
if (conn.count_props) {
conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo)));
if (!conn.modes_ptr)
goto err_allocs;
+ } else {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(drmMalloc(sizeof(struct drm_mode_modeinfo)));
}
if (conn.count_encoders) {
return r;
}
+drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 1);
+}
+
+drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 0);
+}
+
int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
{
struct drm_mode_mode_cmd res;
+ memclear(res);
memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo));
res.connector_id = connector_id;
{
struct drm_mode_mode_cmd res;
+ memclear(res);
memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo));
res.connector_id = connector_id;
struct drm_mode_get_property prop;
drmModePropertyPtr r;
- VG_CLEAR(prop);
+ memclear(prop);
prop.prop_id = property_id;
- prop.count_enum_blobs = 0;
- prop.count_values = 0;
- prop.flags = 0;
- prop.enum_blob_ptr = 0;
- prop.values_ptr = 0;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop))
return 0;
struct drm_mode_get_blob blob;
drmModePropertyBlobPtr r;
- blob.length = 0;
- blob.data = 0;
+ memclear(blob);
blob.blob_id = blob_id;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob))
{
struct drm_mode_connector_set_property osp;
+ memclear(osp);
osp.connector_id = connector_id;
osp.prop_id = property_id;
osp.value = value;
return -EINVAL;
return (modesetting ? 0 : -ENOSYS);
}
+#elif defined(__DragonFly__)
+ return 0;
#endif
return -ENOSYS;
{
struct drm_mode_crtc_lut l;
+ memclear(l);
l.crtc_id = crtc_id;
l.gamma_size = size;
l.red = VOID2U64(red);
{
struct drm_mode_crtc_lut l;
+ memclear(l);
l.crtc_id = crtc_id;
l.gamma_size = size;
l.red = VOID2U64(red);
len = read(fd, buffer, sizeof buffer);
if (len == 0)
return 0;
- if (len < sizeof *e)
+ if (len < (int)sizeof *e)
return -1;
i = 0;
{
struct drm_mode_crtc_page_flip flip;
+ memclear(flip);
flip.fb_id = fb_id;
flip.crtc_id = crtc_id;
flip.user_data = VOID2U64(user_data);
flip.flags = flags;
- flip.reserved = 0;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip);
}
{
struct drm_mode_set_plane s;
+ memclear(s);
s.plane_id = plane_id;
s.crtc_id = crtc_id;
s.fb_id = fb_id;
drmModePlanePtr r = 0;
retry:
- memset(&ovr, 0, sizeof(struct drm_mode_get_plane));
+ memclear(ovr);
ovr.plane_id = plane_id;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr))
return 0;
drmModePlaneResPtr r = 0;
retry:
- memset(&res, 0, sizeof(struct drm_mode_get_plane_res));
+ memclear(res);
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res))
return 0;
uint32_t count;
retry:
- memset(&properties, 0, sizeof(struct drm_mode_obj_get_properties));
+ memclear(properties);
properties.obj_id = object_id;
properties.obj_type = object_type;
{
struct drm_mode_obj_set_property prop;
+ memclear(prop);
prop.value = value;
prop.prop_id = property_id;
prop.obj_id = object_id;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop);
}
+
+typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr;
+
+struct _drmModeAtomicReqItem {
+ uint32_t object_id;
+ uint32_t property_id;
+ uint64_t value;
+};
+
+struct _drmModeAtomicReq {
+ uint32_t cursor;
+ uint32_t size_items;
+ drmModeAtomicReqItemPtr items;
+};
+
+drmModeAtomicReqPtr drmModeAtomicAlloc(void)
+{
+ drmModeAtomicReqPtr req;
+
+ req = drmMalloc(sizeof *req);
+ if (!req)
+ return NULL;
+
+ req->items = NULL;
+ req->cursor = 0;
+ req->size_items = 0;
+
+ return req;
+}
+
+drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old)
+{
+ drmModeAtomicReqPtr new;
+
+ new = drmMalloc(sizeof *new);
+ if (!new)
+ return NULL;
+
+ new->cursor = old->cursor;
+ new->size_items = old->size_items;
+
+ if (old->size_items) {
+ new->items = drmMalloc(old->size_items * sizeof(*new->items));
+ if (!new->items) {
+ free(new);
+ return NULL;
+ }
+ memcpy(new->items, old->items,
+ old->size_items * sizeof(*new->items));
+ } else {
+ new->items = NULL;
+ }
+
+ return new;
+}
+
+int drmModeAtomicMerge(drmModeAtomicReqPtr base, drmModeAtomicReqPtr augment)
+{
+ if (!augment || augment->cursor == 0)
+ return 0;
+
+ if (base->cursor + augment->cursor >= base->size_items) {
+ drmModeAtomicReqItemPtr new;
+ int saved_size = base->size_items;
+
+ base->size_items = base->cursor + augment->cursor;
+ new = realloc(base->items,
+ base->size_items * sizeof(*base->items));
+ if (!new) {
+ base->size_items = saved_size;
+ return -ENOMEM;
+ }
+ base->items = new;
+ }
+
+ memcpy(&base->items[base->cursor], augment->items,
+ augment->cursor * sizeof(*augment->items));
+ base->cursor += augment->cursor;
+
+ return 0;
+}
+
+int drmModeAtomicGetCursor(drmModeAtomicReqPtr req)
+{
+ return req->cursor;
+}
+
+void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor)
+{
+ req->cursor = cursor;
+}
+
+int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
+ uint32_t object_id,
+ uint32_t property_id,
+ uint64_t value)
+{
+ if (req->cursor >= req->size_items) {
+ drmModeAtomicReqItemPtr new;
+
+ req->size_items += 16;
+ new = realloc(req->items, req->size_items * sizeof(*req->items));
+ if (!new) {
+ req->size_items -= 16;
+ return -ENOMEM;
+ }
+ req->items = new;
+ }
+
+ req->items[req->cursor].object_id = object_id;
+ req->items[req->cursor].property_id = property_id;
+ req->items[req->cursor].value = value;
+ req->cursor++;
+
+ return req->cursor;
+}
+
+void drmModeAtomicFree(drmModeAtomicReqPtr req)
+{
+ if (!req)
+ return;
+
+ if (req->items)
+ drmFree(req->items);
+ drmFree(req);
+}
+
+static int sort_req_list(const void *misc, const void *other)
+{
+ const drmModeAtomicReqItem *first = misc;
+ const drmModeAtomicReqItem *second = other;
+
+ if (first->object_id < second->object_id)
+ return -1;
+ else if (first->object_id > second->object_id)
+ return 1;
+ else
+ return second->property_id - first->property_id;
+}
+
+int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req, uint32_t flags,
+ void *user_data)
+{
+ drmModeAtomicReqPtr sorted = drmModeAtomicDuplicate(req);
+ struct drm_mode_atomic atomic;
+ uint32_t *objs_ptr = NULL;
+ uint32_t *count_props_ptr = NULL;
+ uint32_t *props_ptr = NULL;
+ uint64_t *prop_values_ptr = NULL;
+ uint32_t last_obj_id = 0;
+ uint32_t i;
+ int obj_idx = -1;
+ int ret = -1;
+
+ if (!sorted)
+ return -ENOMEM;
+
+ memclear(atomic);
+
+ /* Sort the list by object ID, then by property ID. */
+ qsort(sorted->items, sorted->cursor, sizeof(*sorted->items),
+ sort_req_list);
+
+ /* Now the list is sorted, eliminate duplicate property sets. */
+ for (i = 0; i < sorted->cursor; i++) {
+ if (sorted->items[i].object_id != last_obj_id) {
+ atomic.count_objs++;
+ last_obj_id = sorted->items[i].object_id;
+ }
+
+ if (i == sorted->cursor - 1)
+ continue;
+
+ if (sorted->items[i].object_id != sorted->items[i + 1].object_id ||
+ sorted->items[i].property_id != sorted->items[i + 1].property_id)
+ continue;
+
+ memmove(&sorted->items[i], &sorted->items[i + 1],
+ (sorted->cursor - i - 1) * sizeof(*sorted->items));
+ sorted->cursor--;
+ }
+
+ objs_ptr = drmMalloc(atomic.count_objs * sizeof objs_ptr[0]);
+ if (!objs_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ count_props_ptr = drmMalloc(atomic.count_objs * sizeof count_props_ptr[0]);
+ if (!count_props_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ props_ptr = drmMalloc(sorted->cursor * sizeof props_ptr[0]);
+ if (!props_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ prop_values_ptr = drmMalloc(sorted->cursor * sizeof prop_values_ptr[0]);
+ if (!prop_values_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ for (i = 0, last_obj_id = 0; i < sorted->cursor; i++) {
+ if (sorted->items[i].object_id != last_obj_id) {
+ obj_idx++;
+ objs_ptr[obj_idx] = sorted->items[i].object_id;
+ last_obj_id = objs_ptr[obj_idx];
+ }
+
+ count_props_ptr[obj_idx]++;
+ props_ptr[i] = sorted->items[i].property_id;
+ prop_values_ptr[i] = sorted->items[i].value;
+
+ }
+
+ atomic.flags = flags;
+ atomic.objs_ptr = VOID2U64(objs_ptr);
+ atomic.count_props_ptr = VOID2U64(count_props_ptr);
+ atomic.props_ptr = VOID2U64(props_ptr);
+ atomic.prop_values_ptr = VOID2U64(prop_values_ptr);
+ atomic.user_data = VOID2U64(user_data);
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic);
+
+out:
+ drmFree(objs_ptr);
+ drmFree(count_props_ptr);
+ drmFree(props_ptr);
+ drmFree(prop_values_ptr);
+ drmModeAtomicFree(sorted);
+
+ return ret;
+}
+
+int
+drmModeCreatePropertyBlob(int fd, const void *data, size_t length, uint32_t *id)
+{
+ struct drm_mode_create_blob create;
+ int ret;
+
+ if (length >= 0xffffffff)
+ return -ERANGE;
+
+ memclear(create);
+
+ create.length = length;
+ create.data = (uintptr_t) data;
+ create.blob_id = 0;
+ *id = 0;
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create);
+ if (ret != 0)
+ return ret;
+
+ *id = create.blob_id;
+ return 0;
+}
+
+int
+drmModeDestroyPropertyBlob(int fd, uint32_t id)
+{
+ struct drm_mode_destroy_blob destroy;
+
+ memclear(destroy);
+ destroy.blob_id = id;
+ return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy);
+}
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