--- /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 "drmP.h"
+#include "drm.h"
+#include "drm_crtc_helper.h"
+
+#include "nouveau_drv.h"
+#include "nouveau_fb.h"
+#include "nouveau_hw.h"
+#include "nouveau_encoder.h"
+#include "nouveau_connector.h"
+
+#define MULTIPLE_ENCODERS(e) (e & (e - 1))
+
+static void
+nv04_display_store_initial_head_owner(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->chipset != 0x11) {
+ dev_priv->crtc_owner = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_44);
+ goto ownerknown;
+ }
+
+ /* reading CR44 is broken on nv11, so we attempt to infer it */
+ if (nvReadMC(dev, NV_PBUS_DEBUG_1) & (1 << 28)) /* heads tied, restore both */
+ dev_priv->crtc_owner = 0x4;
+ else {
+ uint8_t slaved_on_A, slaved_on_B;
+ bool tvA = false;
+ bool tvB = false;
+
+ NVLockVgaCrtcs(dev, false);
+
+ slaved_on_B = NVReadVgaCrtc(dev, 1, NV_CIO_CRE_PIXEL_INDEX) &
+ 0x80;
+ if (slaved_on_B)
+ tvB = !(NVReadVgaCrtc(dev, 1, NV_CIO_CRE_LCD__INDEX) &
+ MASK(NV_CIO_CRE_LCD_LCD_SELECT));
+
+ slaved_on_A = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX) &
+ 0x80;
+ if (slaved_on_A)
+ tvA = !(NVReadVgaCrtc(dev, 0, NV_CIO_CRE_LCD__INDEX) &
+ MASK(NV_CIO_CRE_LCD_LCD_SELECT));
+
+ NVLockVgaCrtcs(dev, true);
+
+ if (slaved_on_A && !tvA)
+ dev_priv->crtc_owner = 0x0;
+ else if (slaved_on_B && !tvB)
+ dev_priv->crtc_owner = 0x3;
+ else if (slaved_on_A)
+ dev_priv->crtc_owner = 0x0;
+ else if (slaved_on_B)
+ dev_priv->crtc_owner = 0x3;
+ else
+ dev_priv->crtc_owner = 0x0;
+ }
+
+ownerknown:
+ NV_INFO(dev, "Initial CRTC_OWNER is %d\n", dev_priv->crtc_owner);
+
+ /* we need to ensure the heads are not tied henceforth, or reading any
+ * 8 bit reg on head B will fail
+ * setting a single arbitrary head solves that */
+ NVSetOwner(dev, 0);
+}
+
+int
+nv04_display_create(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct parsed_dcb *dcb = dev_priv->vbios->dcb;
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+ uint16_t connector[16] = { 0 };
+ int i, ret;
+
+ NV_DEBUG(dev, "\n");
+
+ if (nv_two_heads(dev))
+ nv04_display_store_initial_head_owner(dev);
+
+ drm_mode_config_init(dev);
+ drm_mode_create_scaling_mode_property(dev);
+ drm_mode_create_dithering_property(dev);
+
+ dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs;
+
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+ switch (dev_priv->card_type) {
+ case NV_04:
+ dev->mode_config.max_width = 2048;
+ dev->mode_config.max_height = 2048;
+ break;
+ default:
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;
+ break;
+ }
+
+ dev->mode_config.fb_base = dev_priv->fb_phys;
+
+ nv04_crtc_create(dev, 0);
+ if (nv_two_heads(dev))
+ nv04_crtc_create(dev, 1);
+
+ for (i = 0; i < dcb->entries; i++) {
+ struct dcb_entry *dcbent = &dcb->entry[i];
+
+ switch (dcbent->type) {
+ case OUTPUT_ANALOG:
+ ret = nv04_dac_create(dev, dcbent);
+ break;
+ case OUTPUT_LVDS:
+ case OUTPUT_TMDS:
+ ret = nv04_dfp_create(dev, dcbent);
+ break;
+ case OUTPUT_TV:
+ if (dcbent->location == DCB_LOC_ON_CHIP)
+ ret = nv17_tv_create(dev, dcbent);
+ else
+ ret = nv04_tv_create(dev, dcbent);
+ break;
+ default:
+ NV_WARN(dev, "DCB type %d not known\n", dcbent->type);
+ continue;
+ }
+
+ if (ret)
+ continue;
+
+ connector[dcbent->connector] |= (1 << dcbent->type);
+ }
+
+ for (i = 0; i < dcb->entries; i++) {
+ struct dcb_entry *dcbent = &dcb->entry[i];
+ uint16_t encoders;
+ int type;
+
+ encoders = connector[dcbent->connector];
+ if (!(encoders & (1 << dcbent->type)))
+ continue;
+ connector[dcbent->connector] = 0;
+
+ switch (dcbent->type) {
+ case OUTPUT_ANALOG:
+ if (!MULTIPLE_ENCODERS(encoders))
+ type = DRM_MODE_CONNECTOR_VGA;
+ else
+ type = DRM_MODE_CONNECTOR_DVII;
+ break;
+ case OUTPUT_TMDS:
+ if (!MULTIPLE_ENCODERS(encoders))
+ type = DRM_MODE_CONNECTOR_DVID;
+ else
+ type = DRM_MODE_CONNECTOR_DVII;
+ break;
+ case OUTPUT_LVDS:
+ type = DRM_MODE_CONNECTOR_LVDS;
+#if 0
+ /* don't create i2c adapter when lvds ddc not allowed */
+ if (dcbent->lvdsconf.use_straps_for_mode ||
+ dev_priv->vbios->fp_no_ddc)
+ i2c_index = 0xf;
+#endif
+ break;
+ case OUTPUT_TV:
+ type = DRM_MODE_CONNECTOR_TV;
+ break;
+ default:
+ type = DRM_MODE_CONNECTOR_Unknown;
+ continue;
+ }
+
+ nouveau_connector_create(dev, dcbent->connector, type);
+ }
+
+ /* Save previous state */
+ NVLockVgaCrtcs(dev, false);
+
+ nouveau_hw_save_vga_fonts(dev, 1);
+
+ 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) {
+ struct drm_encoder_helper_funcs *func = encoder->helper_private;
+
+ func->save(encoder);
+ }
+
+ return 0;
+}
+
+void
+nv04_display_destroy(struct drm_device *dev)
+{
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+
+ NV_DEBUG(dev, "\n");
+
+ /* Turn every CRTC off. */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_mode_set modeset = {
+ .crtc = crtc,
+ };
+
+ crtc->funcs->set_config(&modeset);
+ }
+
+ /* Restore state */
+ NVLockVgaCrtcs(dev, false);
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ 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);
+
+ drm_mode_config_cleanup(dev);
+}
+
+void
+nv04_display_restore(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
+
+ NVLockVgaCrtcs(dev, false);
+
+ /* 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) {
+ 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);
+
+ if (nv_two_heads(dev)) {
+ NV_INFO(dev, "Restoring CRTC_OWNER to %d.\n",
+ dev_priv->crtc_owner);
+ NVSetOwner(dev, dev_priv->crtc_owner);
+ }
+
+ NVLockVgaCrtcs(dev, true);
+}
+
git.openpandora.org / pandora-kernel.git / blobdiff