#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <drm_fourcc.h>
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#include "modeset.h"
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#include "bo.h"
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#include "dev.h"
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int initialize_screens(struct sp_dev* dev) {
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int ret, i, j;
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for (i = 0; i < dev->num_connectors; i++) {
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drmModeConnectorPtr c = dev->connectors[i];
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drmModeModeInfoPtr m = NULL;
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drmModeEncoderPtr e = NULL;
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struct sp_crtc* cr = NULL;
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if (c->connection != DRM_MODE_CONNECTED)
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continue;
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if (!c->count_modes) {
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printf("connector has no modes, skipping\n");
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continue;
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}
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/* Take the first unless there's a preferred mode */
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m = &c->modes[0];
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for (j = 0; j < c->count_modes; j++) {
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drmModeModeInfoPtr tmp_m = &c->modes[j];
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if (!(tmp_m->type & DRM_MODE_TYPE_PREFERRED))
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continue;
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m = tmp_m;
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break;
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}
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if (!c->encoder_id) {
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/*
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* default drm encoder not attached connector, just
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* select the first one.
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*/
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if (dev->num_encoders) {
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e = dev->encoders[0];
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c->encoder_id = e->encoder_id;
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} else {
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printf("no encoder attached to the connector\n");
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continue;
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}
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}
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for (j = 0; j < dev->num_encoders; j++) {
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e = dev->encoders[j];
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if (e->encoder_id == c->encoder_id)
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break;
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}
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if (j == dev->num_encoders) {
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printf("could not find encoder for the connector\n");
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continue;
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}
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if (!e->crtc_id) {
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/*
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* default drm crtc not attached encoder, just
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* select the first one.
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*/
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if (dev->num_crtcs) {
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cr = &dev->crtcs[j];
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e->crtc_id = cr->crtc->crtc_id;
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} else {
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printf("no crtc attached to the encoder\n");
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continue;
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}
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}
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for (j = 0; j < dev->num_crtcs; j++) {
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cr = &dev->crtcs[j];
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if (cr->crtc->crtc_id == e->crtc_id)
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break;
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}
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if (j == dev->num_crtcs) {
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printf("could not find crtc for the encoder\n");
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continue;
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}
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if (cr->scanout) {
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printf("crtc already in use\n");
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continue;
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}
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/* XXX: Hardcoding the format here... :| */
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cr->scanout = create_sp_bo(dev, m->hdisplay, m->vdisplay,
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24, 32, DRM_FORMAT_XRGB8888, 0);
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if (!cr->scanout) {
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printf("failed to create new scanout bo\n");
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continue;
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}
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ret = add_fb_sp_bo(cr->scanout, DRM_FORMAT_XRGB8888);
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if (ret) {
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printf("failed to add fb ret=%d\n", ret);
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continue;
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}
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fill_bo(cr->scanout, 0xFF, 0x0, 0x0, 0xFF);
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ret = drmModeSetCrtc(dev->fd, cr->crtc->crtc_id,
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cr->scanout->fb_id, 0, 0, &c->connector_id,
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1, m);
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if (ret) {
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printf("failed to set crtc mode ret=%d\n", ret);
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continue;
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}
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cr->crtc = drmModeGetCrtc(dev->fd, cr->crtc->crtc_id);
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/*
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* Todo:
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* I don't know why crtc mode is empty, just copy PREFERRED mode
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* for it.
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*/
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memcpy(&cr->crtc->mode, m, sizeof(*m));
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}
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return 0;
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}
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struct sp_plane* get_sp_plane(struct sp_dev* dev, struct sp_crtc* crtc) {
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int i;
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for (i = 0; i < dev->num_planes; i++) {
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struct sp_plane* p = &dev->planes[i];
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if (p->in_use)
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continue;
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if (!(p->plane->possible_crtcs & (1 << crtc->pipe)))
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continue;
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p->in_use = 1;
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return p;
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}
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return NULL;
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}
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void put_sp_plane(struct sp_plane* plane) {
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drmModePlanePtr p;
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/* Get the latest plane information (most notably the crtc_id) */
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p = drmModeGetPlane(plane->dev->fd, plane->plane->plane_id);
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if (p)
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plane->plane = p;
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if (plane->plane->crtc_id)
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drmModeSetPlane(plane->dev->fd, plane->plane->plane_id,
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plane->plane->crtc_id, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0);
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if (plane->bo) {
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free_sp_bo(plane->bo);
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plane->bo = NULL;
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}
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plane->in_use = 0;
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}
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int set_sp_plane(struct sp_dev* dev, struct sp_plane* plane,
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struct sp_crtc* crtc, int x, int y) {
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int ret;
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uint32_t w, h;
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w = plane->bo->width;
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h = plane->bo->height;
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if ((w + x) > crtc->crtc->mode.hdisplay)
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w = crtc->crtc->mode.hdisplay - x;
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if ((h + y) > crtc->crtc->mode.vdisplay)
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h = crtc->crtc->mode.vdisplay - y;
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ret = drmModeSetPlane(dev->fd, plane->plane->plane_id,
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crtc->crtc->crtc_id, plane->bo->fb_id, 0, x, y, w, h,
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0, 0, w << 16, h << 16);
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if (ret) {
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printf("failed to set plane to crtc ret=%d\n", ret);
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return ret;
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}
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return ret;
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}
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#ifdef USE_ATOMIC_API
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int set_sp_plane_pset(struct sp_dev* dev, struct sp_plane* plane,
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drmModePropertySetPtr pset, struct sp_crtc* crtc, int x, int y) {
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int ret;
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uint32_t w, h;
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w = plane->bo->width;
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h = plane->bo->height;
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if ((w + x) > crtc->crtc->mode.hdisplay)
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w = crtc->crtc->mode.hdisplay - x;
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if ((h + y) > crtc->crtc->mode.vdisplay)
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h = crtc->crtc->mode.vdisplay - y;
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ret = drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->crtc_pid, crtc->crtc->crtc_id)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->fb_pid, plane->bo->fb_id)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->crtc_x_pid, x)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->crtc_y_pid, y)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->crtc_w_pid, w)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->crtc_h_pid, h)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->src_x_pid, 0)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->src_y_pid, 0)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->src_w_pid, w << 16)
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|| drmModePropertySetAdd(pset, plane->plane->plane_id,
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plane->src_h_pid, h << 16);
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if (ret) {
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printf("failed to add properties to the set\n");
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return -1;
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}
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return ret;
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}
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#endif
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