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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <drm_fourcc.h>
#include "modeset.h"
#include "bo.h"
#include "dev.h"
static int set_crtc_mode(struct sp_dev *dev, struct sp_crtc *crtc,
struct sp_connector *conn, drmModeModeInfoPtr mode)
{
int ret;
struct drm_mode_create_blob create_blob;
drmModeAtomicReqPtr pset;
memset(&create_blob, 0, sizeof(create_blob));
create_blob.length = sizeof(struct drm_mode_modeinfo);
create_blob.data = (__u64)(uintptr_t)mode;
ret = drmIoctl(dev->fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create_blob);
if (ret) {
printf("Failed to create mode property blob %d", ret);
return ret;
}
pset = drmModeAtomicAlloc();
if (!pset) {
printf("Failed to allocate property set");
return -1;
}
ret = drmModeAtomicAddProperty(pset, crtc->crtc->crtc_id,
crtc->mode_pid, create_blob.blob_id) ||
drmModeAtomicAddProperty(pset, crtc->crtc->crtc_id,
crtc->active_pid, 1) ||
drmModeAtomicAddProperty(pset, conn->conn->connector_id,
conn->crtc_id_pid, crtc->crtc->crtc_id);
if (ret) {
printf("Failed to add blob %d to pset", create_blob.blob_id);
drmModeAtomicFree(pset);
return ret;
}
ret = drmModeAtomicCommit(dev->fd, pset, DRM_MODE_ATOMIC_ALLOW_MODESET,
NULL);
drmModeAtomicFree(pset);
if (ret) {
printf("Failed to commit pset ret=%d\n", ret);
return ret;
}
memcpy(&crtc->crtc->mode, mode, sizeof(struct drm_mode_modeinfo));
crtc->crtc->mode_valid = 1;
return 0;
}
int initialize_screens(struct sp_dev *dev)
{
int ret, i, j;
unsigned crtc_mask = 0;
for (i = 0; i < dev->num_connectors; i++) {
struct sp_connector *c = &dev->connectors[i];
drmModeModeInfoPtr m = NULL;
drmModeEncoderPtr e = NULL;
struct sp_crtc *cr = NULL;
if (c->conn->connection != DRM_MODE_CONNECTED)
continue;
if (!c->conn->count_modes) {
printf("connector has no modes, skipping\n");
continue;
}
/* Take the first unless there's a preferred mode */
m = &c->conn->modes[0];
for (j = 0; j < c->conn->count_modes; j++) {
drmModeModeInfoPtr tmp_m = &c->conn->modes[j];
if (!(tmp_m->type & DRM_MODE_TYPE_PREFERRED))
continue;
m = tmp_m;
break;
}
if (!c->conn->count_encoders) {
printf("no possible encoders for connector\n");
continue;
}
for (j = 0; j < dev->num_encoders; j++) {
e = dev->encoders[j];
if (e->encoder_id == c->conn->encoders[0])
break;
}
if (j == dev->num_encoders) {
printf("could not find encoder for the connector\n");
continue;
}
for (j = 0; j < dev->num_crtcs; j++) {
if ((1 << j) & crtc_mask)
continue;
cr = &dev->crtcs[j];
if ((1 << j) & e->possible_crtcs)
break;
}
if (j == dev->num_crtcs) {
printf("could not find crtc for the encoder\n");
continue;
}
ret = set_crtc_mode(dev, cr, c, m);
if (ret) {
printf("failed to set mode!\n");
continue;
}
crtc_mask |= 1 << j;
}
return 0;
}
struct sp_plane *get_sp_plane(struct sp_dev *dev, struct sp_crtc *crtc)
{
int i;
for(i = 0; i < dev->num_planes; i++) {
struct sp_plane *p = &dev->planes[i];
if (p->in_use)
continue;
if (!(p->plane->possible_crtcs & (1 << crtc->pipe)))
continue;
p->in_use = 1;
return p;
}
return NULL;
}
void put_sp_plane(struct sp_plane *plane)
{
drmModePlanePtr p;
/* Get the latest plane information (most notably the crtc_id) */
p = drmModeGetPlane(plane->dev->fd, plane->plane->plane_id);
if (p)
plane->plane = p;
if (plane->bo) {
free_sp_bo(plane->bo);
plane->bo = NULL;
}
plane->in_use = 0;
}
int set_sp_plane(struct sp_dev *dev, struct sp_plane *plane,
struct sp_crtc *crtc, int x, int y)
{
int ret;
uint32_t w, h;
w = plane->bo->width;
h = plane->bo->height;
if ((w + x) > crtc->crtc->mode.hdisplay)
w = crtc->crtc->mode.hdisplay - x;
if ((h + y) > crtc->crtc->mode.vdisplay)
h = crtc->crtc->mode.vdisplay - y;
ret = drmModeSetPlane(dev->fd, plane->plane->plane_id,
crtc->crtc->crtc_id, plane->bo->fb_id, 0, x, y, w, h,
0, 0, w << 16, h << 16);
if (ret) {
printf("failed to set plane to crtc ret=%d\n", ret);
return ret;
}
return ret;
}
int set_sp_plane_pset(struct sp_dev *dev, struct sp_plane *plane,
drmModeAtomicReqPtr pset, struct sp_crtc *crtc, int x, int y)
{
int ret;
uint32_t w, h;
w = plane->bo->width;
h = plane->bo->height;
if ((w + x) > crtc->crtc->mode.hdisplay)
w = crtc->crtc->mode.hdisplay - x;
if ((h + y) > crtc->crtc->mode.vdisplay)
h = crtc->crtc->mode.vdisplay - y;
ret = drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->crtc_pid, crtc->crtc->crtc_id)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->fb_pid, plane->bo->fb_id)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->crtc_x_pid, x)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->crtc_y_pid, y)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->crtc_w_pid, w)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->crtc_h_pid, h)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->src_x_pid, 0)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->src_y_pid, 0)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->src_w_pid, w << 16)
|| drmModeAtomicAddProperty(pset, plane->plane->plane_id,
plane->src_h_pid, h << 16);
if (ret) {
printf("failed to add properties to the set\n");
return -1;
}
return ret;
}
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