--- /dev/null
+/*
+ * Copyright 2009 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Ben Skeggs
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "nouveau_drm.h"
+#include "nouveau_reg.h"
+#include "hw.h"
+#include "nouveau_encoder.h"
+#include "nouveau_connector.h"
+
+int
+nv04_display_create(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
+ struct dcb_table *dcb = &drm->vbios.dcb;
+ struct drm_connector *connector, *ct;
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+ struct nv04_display *disp;
+ int i, ret;
+
+ disp = kzalloc(sizeof(*disp), GFP_KERNEL);
+ if (!disp)
+ return -ENOMEM;
+
+ nvif_object_map(nvif_object(&drm->device));
+
+ nouveau_display(dev)->priv = disp;
+ nouveau_display(dev)->dtor = nv04_display_destroy;
+ nouveau_display(dev)->init = nv04_display_init;
+ nouveau_display(dev)->fini = nv04_display_fini;
+
+ nouveau_hw_save_vga_fonts(dev, 1);
+
+ nv04_crtc_create(dev, 0);
+ if (nv_two_heads(dev))
+ nv04_crtc_create(dev, 1);
+
+ for (i = 0; i < dcb->entries; i++) {
+ struct dcb_output *dcbent = &dcb->entry[i];
+
+ connector = nouveau_connector_create(dev, dcbent->connector);
+ if (IS_ERR(connector))
+ continue;
+
+ switch (dcbent->type) {
+ case DCB_OUTPUT_ANALOG:
+ ret = nv04_dac_create(connector, dcbent);
+ break;
+ case DCB_OUTPUT_LVDS:
+ case DCB_OUTPUT_TMDS:
+ ret = nv04_dfp_create(connector, dcbent);
+ break;
+ case DCB_OUTPUT_TV:
+ if (dcbent->location == DCB_LOC_ON_CHIP)
+ ret = nv17_tv_create(connector, dcbent);
+ else
+ ret = nv04_tv_create(connector, dcbent);
+ break;
+ default:
+ NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
+ continue;
+ }
+
+ if (ret)
+ continue;
+ }
+
+ list_for_each_entry_safe(connector, ct,
+ &dev->mode_config.connector_list, head) {
+ if (!connector->encoder_ids[0]) {
+ NV_WARN(drm, "%s has no encoders, removing\n",
+ connector->name);
+ connector->funcs->destroy(connector);
+ }
+ }
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index);
+ }
+
+ /* Save previous state */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ crtc->funcs->save(crtc);
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ const struct drm_encoder_helper_funcs *func = encoder->helper_private;
+
+ func->save(encoder);
+ }
+
+ nouveau_overlay_init(dev);
+
+ return 0;
+}
+
+void
+nv04_display_destroy(struct drm_device *dev)
+{
+ struct nv04_display *disp = nv04_display(dev);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+
+ /* Turn every CRTC off. */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_mode_set modeset = {
+ .crtc = crtc,
+ };
+
+ drm_mode_set_config_internal(&modeset);
+ }
+
+ /* Restore state */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ const struct drm_encoder_helper_funcs *func = encoder->helper_private;
+
+ func->restore(encoder);
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ crtc->funcs->restore(crtc);
+
+ nouveau_hw_save_vga_fonts(dev, 0);
+
+ nouveau_display(dev)->priv = NULL;
+ kfree(disp);
+
+ nvif_object_unmap(nvif_object(&drm->device));
+}
+
+int
+nv04_display_init(struct drm_device *dev)
+{
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+
+ /* meh.. modeset apparently doesn't setup all the regs and depends
+ * on pre-existing state, for now load the state of the card *before*
+ * nouveau was loaded, and then do a modeset.
+ *
+ * best thing to do probably is to make save/restore routines not
+ * save/restore "pre-load" state, but more general so we can save
+ * on suspend too.
+ */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ const struct drm_encoder_helper_funcs *func = encoder->helper_private;
+
+ func->restore(encoder);
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ crtc->funcs->restore(crtc);
+
+ return 0;
+}
+
+void
+nv04_display_fini(struct drm_device *dev)
+{
+ /* disable vblank interrupts */
+ NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
+ if (nv_two_heads(dev))
+ NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
+}
Code Review / kvmfornfv.git / blobdiff