--- /dev/null
+/*
+ * Copyright (C) 2008 Maarten Maathuis.
+ * All Rights Reserved.
+ *
+ * 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 (including the
+ * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#include <acpi/button.h>
+
+#include <linux/pm_runtime.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "nouveau_reg.h"
+#include "nouveau_drm.h"
+#include "dispnv04/hw.h"
+#include "nouveau_acpi.h"
+
+#include "nouveau_display.h"
+#include "nouveau_connector.h"
+#include "nouveau_encoder.h"
+#include "nouveau_crtc.h"
+
+#include <nvif/event.h>
+
+MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
+int nouveau_tv_disable = 0;
+module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
+
+MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
+int nouveau_ignorelid = 0;
+module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
+
+MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
+int nouveau_duallink = 1;
+module_param_named(duallink, nouveau_duallink, int, 0400);
+
+struct nouveau_encoder *
+find_encoder(struct drm_connector *connector, int type)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_encoder *nv_encoder;
+ struct drm_encoder *enc;
+ int i, id;
+
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ id = connector->encoder_ids[i];
+ if (!id)
+ break;
+
+ enc = drm_encoder_find(dev, id);
+ if (!enc)
+ continue;
+ nv_encoder = nouveau_encoder(enc);
+
+ if (type == DCB_OUTPUT_ANY ||
+ (nv_encoder->dcb && nv_encoder->dcb->type == type))
+ return nv_encoder;
+ }
+
+ return NULL;
+}
+
+struct nouveau_connector *
+nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
+{
+ struct drm_device *dev = to_drm_encoder(encoder)->dev;
+ struct drm_connector *drm_connector;
+
+ list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
+ if (drm_connector->encoder == to_drm_encoder(encoder))
+ return nouveau_connector(drm_connector);
+ }
+
+ return NULL;
+}
+
+static void
+nouveau_connector_destroy(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ nvif_notify_fini(&nv_connector->hpd);
+ kfree(nv_connector->edid);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ if (nv_connector->aux.transfer)
+ drm_dp_aux_unregister(&nv_connector->aux);
+ kfree(connector);
+}
+
+static struct nouveau_encoder *
+nouveau_connector_ddc_detect(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
+ struct nouveau_encoder *nv_encoder;
+ struct drm_encoder *encoder;
+ int i, panel = -ENODEV;
+
+ /* eDP panels need powering on by us (if the VBIOS doesn't default it
+ * to on) before doing any AUX channel transactions. LVDS panel power
+ * is handled by the SOR itself, and not required for LVDS DDC.
+ */
+ if (nv_connector->type == DCB_CONNECTOR_eDP) {
+ panel = gpio->get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
+ if (panel == 0) {
+ gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
+ msleep(300);
+ }
+ }
+
+ for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ int id = connector->encoder_ids[i];
+ if (id == 0)
+ break;
+
+ encoder = drm_encoder_find(dev, id);
+ if (!encoder)
+ continue;
+ nv_encoder = nouveau_encoder(encoder);
+
+ if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
+ int ret = nouveau_dp_detect(nv_encoder);
+ if (ret == 0)
+ break;
+ } else
+ if (nv_encoder->i2c) {
+ if (nv_probe_i2c(nv_encoder->i2c, 0x50))
+ break;
+ }
+ }
+
+ /* eDP panel not detected, restore panel power GPIO to previous
+ * state to avoid confusing the SOR for other output types.
+ */
+ if (!nv_encoder && panel == 0)
+ gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
+
+ return nv_encoder;
+}
+
+static struct nouveau_encoder *
+nouveau_connector_of_detect(struct drm_connector *connector)
+{
+#ifdef __powerpc__
+ struct drm_device *dev = connector->dev;
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder;
+ struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
+
+ if (!dn ||
+ !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
+ (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
+ return NULL;
+
+ for_each_child_of_node(dn, cn) {
+ const char *name = of_get_property(cn, "name", NULL);
+ const void *edid = of_get_property(cn, "EDID", NULL);
+ int idx = name ? name[strlen(name) - 1] - 'A' : 0;
+
+ if (nv_encoder->dcb->i2c_index == idx && edid) {
+ nv_connector->edid =
+ kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
+ of_node_put(cn);
+ return nv_encoder;
+ }
+ }
+#endif
+ return NULL;
+}
+
+static void
+nouveau_connector_set_encoder(struct drm_connector *connector,
+ struct nouveau_encoder *nv_encoder)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct drm_device *dev = connector->dev;
+
+ if (nv_connector->detected_encoder == nv_encoder)
+ return;
+ nv_connector->detected_encoder = nv_encoder;
+
+ if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
+ connector->interlace_allowed = true;
+ connector->doublescan_allowed = true;
+ } else
+ if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
+ nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
+ connector->doublescan_allowed = false;
+ connector->interlace_allowed = false;
+ } else {
+ connector->doublescan_allowed = true;
+ if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
+ (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
+ (dev->pdev->device & 0x0ff0) != 0x0100 &&
+ (dev->pdev->device & 0x0ff0) != 0x0150))
+ /* HW is broken */
+ connector->interlace_allowed = false;
+ else
+ connector->interlace_allowed = true;
+ }
+
+ if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
+ drm_object_property_set_value(&connector->base,
+ dev->mode_config.dvi_i_subconnector_property,
+ nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
+ DRM_MODE_SUBCONNECTOR_DVID :
+ DRM_MODE_SUBCONNECTOR_DVIA);
+ }
+}
+
+static enum drm_connector_status
+nouveau_connector_detect(struct drm_connector *connector, bool force)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = NULL;
+ struct nouveau_encoder *nv_partner;
+ struct nvkm_i2c_port *i2c;
+ int type;
+ int ret;
+ enum drm_connector_status conn_status = connector_status_disconnected;
+
+ /* Cleanup the previous EDID block. */
+ if (nv_connector->edid) {
+ drm_mode_connector_update_edid_property(connector, NULL);
+ kfree(nv_connector->edid);
+ nv_connector->edid = NULL;
+ }
+
+ ret = pm_runtime_get_sync(connector->dev->dev);
+ if (ret < 0 && ret != -EACCES)
+ return conn_status;
+
+ nv_encoder = nouveau_connector_ddc_detect(connector);
+ if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
+ nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
+ drm_mode_connector_update_edid_property(connector,
+ nv_connector->edid);
+ if (!nv_connector->edid) {
+ NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
+ connector->name);
+ goto detect_analog;
+ }
+
+ /* Override encoder type for DVI-I based on whether EDID
+ * says the display is digital or analog, both use the
+ * same i2c channel so the value returned from ddc_detect
+ * isn't necessarily correct.
+ */
+ nv_partner = NULL;
+ if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
+ nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
+ if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
+ nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
+
+ if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
+ nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
+ (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
+ nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
+ if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
+ type = DCB_OUTPUT_TMDS;
+ else
+ type = DCB_OUTPUT_ANALOG;
+
+ nv_encoder = find_encoder(connector, type);
+ }
+
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ conn_status = connector_status_connected;
+ goto out;
+ }
+
+ nv_encoder = nouveau_connector_of_detect(connector);
+ if (nv_encoder) {
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ conn_status = connector_status_connected;
+ goto out;
+ }
+
+detect_analog:
+ nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
+ if (!nv_encoder && !nouveau_tv_disable)
+ nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
+ if (nv_encoder && force) {
+ struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
+ const struct drm_encoder_helper_funcs *helper =
+ encoder->helper_private;
+
+ if (helper->detect(encoder, connector) ==
+ connector_status_connected) {
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ conn_status = connector_status_connected;
+ goto out;
+ }
+
+ }
+
+ out:
+
+ pm_runtime_mark_last_busy(connector->dev->dev);
+ pm_runtime_put_autosuspend(connector->dev->dev);
+
+ return conn_status;
+}
+
+static enum drm_connector_status
+nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = NULL;
+ enum drm_connector_status status = connector_status_disconnected;
+
+ /* Cleanup the previous EDID block. */
+ if (nv_connector->edid) {
+ drm_mode_connector_update_edid_property(connector, NULL);
+ kfree(nv_connector->edid);
+ nv_connector->edid = NULL;
+ }
+
+ nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
+ if (!nv_encoder)
+ return connector_status_disconnected;
+
+ /* Try retrieving EDID via DDC */
+ if (!drm->vbios.fp_no_ddc) {
+ status = nouveau_connector_detect(connector, force);
+ if (status == connector_status_connected)
+ goto out;
+ }
+
+ /* On some laptops (Sony, i'm looking at you) there appears to
+ * be no direct way of accessing the panel's EDID. The only
+ * option available to us appears to be to ask ACPI for help..
+ *
+ * It's important this check's before trying straps, one of the
+ * said manufacturer's laptops are configured in such a way
+ * the nouveau decides an entry in the VBIOS FP mode table is
+ * valid - it's not (rh#613284)
+ */
+ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
+ if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
+ status = connector_status_connected;
+ goto out;
+ }
+ }
+
+ /* If no EDID found above, and the VBIOS indicates a hardcoded
+ * modeline is avalilable for the panel, set it as the panel's
+ * native mode and exit.
+ */
+ if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
+ nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
+ status = connector_status_connected;
+ goto out;
+ }
+
+ /* Still nothing, some VBIOS images have a hardcoded EDID block
+ * stored for the panel stored in them.
+ */
+ if (!drm->vbios.fp_no_ddc) {
+ struct edid *edid =
+ (struct edid *)nouveau_bios_embedded_edid(dev);
+ if (edid) {
+ nv_connector->edid =
+ kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
+ if (nv_connector->edid)
+ status = connector_status_connected;
+ }
+ }
+
+out:
+#if defined(CONFIG_ACPI_BUTTON) || \
+ (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
+ if (status == connector_status_connected &&
+ !nouveau_ignorelid && !acpi_lid_open())
+ status = connector_status_unknown;
+#endif
+
+ drm_mode_connector_update_edid_property(connector, nv_connector->edid);
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ return status;
+}
+
+static void
+nouveau_connector_force(struct drm_connector *connector)
+{
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder;
+ int type;
+
+ if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
+ if (connector->force == DRM_FORCE_ON_DIGITAL)
+ type = DCB_OUTPUT_TMDS;
+ else
+ type = DCB_OUTPUT_ANALOG;
+ } else
+ type = DCB_OUTPUT_ANY;
+
+ nv_encoder = find_encoder(connector, type);
+ if (!nv_encoder) {
+ NV_ERROR(drm, "can't find encoder to force %s on!\n",
+ connector->name);
+ connector->status = connector_status_disconnected;
+ return;
+ }
+
+ nouveau_connector_set_encoder(connector, nv_encoder);
+}
+
+static int
+nouveau_connector_set_property(struct drm_connector *connector,
+ struct drm_property *property, uint64_t value)
+{
+ struct nouveau_display *disp = nouveau_display(connector->dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
+ struct drm_device *dev = connector->dev;
+ struct nouveau_crtc *nv_crtc;
+ int ret;
+
+ nv_crtc = NULL;
+ if (connector->encoder && connector->encoder->crtc)
+ nv_crtc = nouveau_crtc(connector->encoder->crtc);
+
+ /* Scaling mode */
+ if (property == dev->mode_config.scaling_mode_property) {
+ bool modeset = false;
+
+ switch (value) {
+ case DRM_MODE_SCALE_NONE:
+ /* We allow 'None' for EDID modes, even on a fixed
+ * panel (some exist with support for lower refresh
+ * rates, which people might want to use for power
+ * saving purposes).
+ *
+ * Non-EDID modes will force the use of GPU scaling
+ * to the native mode regardless of this setting.
+ */
+ switch (nv_connector->type) {
+ case DCB_CONNECTOR_LVDS:
+ case DCB_CONNECTOR_LVDS_SPWG:
+ case DCB_CONNECTOR_eDP:
+ /* ... except prior to G80, where the code
+ * doesn't support such things.
+ */
+ if (disp->disp.oclass < NV50_DISP)
+ return -EINVAL;
+ break;
+ default:
+ break;
+ }
+ break;
+ case DRM_MODE_SCALE_FULLSCREEN:
+ case DRM_MODE_SCALE_CENTER:
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Changing between GPU and panel scaling requires a full
+ * modeset
+ */
+ if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
+ (value == DRM_MODE_SCALE_NONE))
+ modeset = true;
+ nv_connector->scaling_mode = value;
+
+ if (!nv_crtc)
+ return 0;
+
+ if (modeset || !nv_crtc->set_scale) {
+ ret = drm_crtc_helper_set_mode(&nv_crtc->base,
+ &nv_crtc->base.mode,
+ nv_crtc->base.x,
+ nv_crtc->base.y, NULL);
+ if (!ret)
+ return -EINVAL;
+ } else {
+ ret = nv_crtc->set_scale(nv_crtc, true);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+ }
+
+ /* Underscan */
+ if (property == disp->underscan_property) {
+ if (nv_connector->underscan != value) {
+ nv_connector->underscan = value;
+ if (!nv_crtc || !nv_crtc->set_scale)
+ return 0;
+
+ return nv_crtc->set_scale(nv_crtc, true);
+ }
+
+ return 0;
+ }
+
+ if (property == disp->underscan_hborder_property) {
+ if (nv_connector->underscan_hborder != value) {
+ nv_connector->underscan_hborder = value;
+ if (!nv_crtc || !nv_crtc->set_scale)
+ return 0;
+
+ return nv_crtc->set_scale(nv_crtc, true);
+ }
+
+ return 0;
+ }
+
+ if (property == disp->underscan_vborder_property) {
+ if (nv_connector->underscan_vborder != value) {
+ nv_connector->underscan_vborder = value;
+ if (!nv_crtc || !nv_crtc->set_scale)
+ return 0;
+
+ return nv_crtc->set_scale(nv_crtc, true);
+ }
+
+ return 0;
+ }
+
+ /* Dithering */
+ if (property == disp->dithering_mode) {
+ nv_connector->dithering_mode = value;
+ if (!nv_crtc || !nv_crtc->set_dither)
+ return 0;
+
+ return nv_crtc->set_dither(nv_crtc, true);
+ }
+
+ if (property == disp->dithering_depth) {
+ nv_connector->dithering_depth = value;
+ if (!nv_crtc || !nv_crtc->set_dither)
+ return 0;
+
+ return nv_crtc->set_dither(nv_crtc, true);
+ }
+
+ if (nv_crtc && nv_crtc->set_color_vibrance) {
+ /* Hue */
+ if (property == disp->vibrant_hue_property) {
+ nv_crtc->vibrant_hue = value - 90;
+ return nv_crtc->set_color_vibrance(nv_crtc, true);
+ }
+ /* Saturation */
+ if (property == disp->color_vibrance_property) {
+ nv_crtc->color_vibrance = value - 100;
+ return nv_crtc->set_color_vibrance(nv_crtc, true);
+ }
+ }
+
+ if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
+ return get_slave_funcs(encoder)->set_property(
+ encoder, connector, property, value);
+
+ return -EINVAL;
+}
+
+static struct drm_display_mode *
+nouveau_connector_native_mode(struct drm_connector *connector)
+{
+ const struct drm_connector_helper_funcs *helper = connector->helper_private;
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct drm_device *dev = connector->dev;
+ struct drm_display_mode *mode, *largest = NULL;
+ int high_w = 0, high_h = 0, high_v = 0;
+
+ list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
+ mode->vrefresh = drm_mode_vrefresh(mode);
+ if (helper->mode_valid(connector, mode) != MODE_OK ||
+ (mode->flags & DRM_MODE_FLAG_INTERLACE))
+ continue;
+
+ /* Use preferred mode if there is one.. */
+ if (mode->type & DRM_MODE_TYPE_PREFERRED) {
+ NV_DEBUG(drm, "native mode from preferred\n");
+ return drm_mode_duplicate(dev, mode);
+ }
+
+ /* Otherwise, take the resolution with the largest width, then
+ * height, then vertical refresh
+ */
+ if (mode->hdisplay < high_w)
+ continue;
+
+ if (mode->hdisplay == high_w && mode->vdisplay < high_h)
+ continue;
+
+ if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
+ mode->vrefresh < high_v)
+ continue;
+
+ high_w = mode->hdisplay;
+ high_h = mode->vdisplay;
+ high_v = mode->vrefresh;
+ largest = mode;
+ }
+
+ NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
+ high_w, high_h, high_v);
+ return largest ? drm_mode_duplicate(dev, largest) : NULL;
+}
+
+struct moderec {
+ int hdisplay;
+ int vdisplay;
+};
+
+static struct moderec scaler_modes[] = {
+ { 1920, 1200 },
+ { 1920, 1080 },
+ { 1680, 1050 },
+ { 1600, 1200 },
+ { 1400, 1050 },
+ { 1280, 1024 },
+ { 1280, 960 },
+ { 1152, 864 },
+ { 1024, 768 },
+ { 800, 600 },
+ { 720, 400 },
+ { 640, 480 },
+ { 640, 400 },
+ { 640, 350 },
+ {}
+};
+
+static int
+nouveau_connector_scaler_modes_add(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct drm_display_mode *native = nv_connector->native_mode, *m;
+ struct drm_device *dev = connector->dev;
+ struct moderec *mode = &scaler_modes[0];
+ int modes = 0;
+
+ if (!native)
+ return 0;
+
+ while (mode->hdisplay) {
+ if (mode->hdisplay <= native->hdisplay &&
+ mode->vdisplay <= native->vdisplay &&
+ (mode->hdisplay != native->hdisplay ||
+ mode->vdisplay != native->vdisplay)) {
+ m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
+ drm_mode_vrefresh(native), false,
+ false, false);
+ if (!m)
+ continue;
+
+ drm_mode_probed_add(connector, m);
+ modes++;
+ }
+
+ mode++;
+ }
+
+ return modes;
+}
+
+static void
+nouveau_connector_detect_depth(struct drm_connector *connector)
+{
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ struct nvbios *bios = &drm->vbios;
+ struct drm_display_mode *mode = nv_connector->native_mode;
+ bool duallink;
+
+ /* if the edid is feeling nice enough to provide this info, use it */
+ if (nv_connector->edid && connector->display_info.bpc)
+ return;
+
+ /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
+ if (nv_connector->type == DCB_CONNECTOR_eDP) {
+ connector->display_info.bpc = 6;
+ return;
+ }
+
+ /* we're out of options unless we're LVDS, default to 8bpc */
+ if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
+ connector->display_info.bpc = 8;
+ return;
+ }
+
+ connector->display_info.bpc = 6;
+
+ /* LVDS: panel straps */
+ if (bios->fp_no_ddc) {
+ if (bios->fp.if_is_24bit)
+ connector->display_info.bpc = 8;
+ return;
+ }
+
+ /* LVDS: DDC panel, need to first determine the number of links to
+ * know which if_is_24bit flag to check...
+ */
+ if (nv_connector->edid &&
+ nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
+ duallink = ((u8 *)nv_connector->edid)[121] == 2;
+ else
+ duallink = mode->clock >= bios->fp.duallink_transition_clk;
+
+ if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
+ ( duallink && (bios->fp.strapless_is_24bit & 2)))
+ connector->display_info.bpc = 8;
+}
+
+static int
+nouveau_connector_get_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
+ int ret = 0;
+
+ /* destroy the native mode, the attached monitor could have changed.
+ */
+ if (nv_connector->native_mode) {
+ drm_mode_destroy(dev, nv_connector->native_mode);
+ nv_connector->native_mode = NULL;
+ }
+
+ if (nv_connector->edid)
+ ret = drm_add_edid_modes(connector, nv_connector->edid);
+ else
+ if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
+ (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
+ drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
+ struct drm_display_mode mode;
+
+ nouveau_bios_fp_mode(dev, &mode);
+ nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
+ }
+
+ /* Determine display colour depth for everything except LVDS now,
+ * DP requires this before mode_valid() is called.
+ */
+ if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
+ nouveau_connector_detect_depth(connector);
+
+ /* Find the native mode if this is a digital panel, if we didn't
+ * find any modes through DDC previously add the native mode to
+ * the list of modes.
+ */
+ if (!nv_connector->native_mode)
+ nv_connector->native_mode =
+ nouveau_connector_native_mode(connector);
+ if (ret == 0 && nv_connector->native_mode) {
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(dev, nv_connector->native_mode);
+ drm_mode_probed_add(connector, mode);
+ ret = 1;
+ }
+
+ /* Determine LVDS colour depth, must happen after determining
+ * "native" mode as some VBIOS tables require us to use the
+ * pixel clock as part of the lookup...
+ */
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
+ nouveau_connector_detect_depth(connector);
+
+ if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
+ ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
+
+ if (nv_connector->type == DCB_CONNECTOR_LVDS ||
+ nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
+ nv_connector->type == DCB_CONNECTOR_eDP)
+ ret += nouveau_connector_scaler_modes_add(connector);
+
+ return ret;
+}
+
+static unsigned
+get_tmds_link_bandwidth(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
+
+ if (dcb->location != DCB_LOC_ON_CHIP ||
+ drm->device.info.chipset >= 0x46)
+ return 165000;
+ else if (drm->device.info.chipset >= 0x40)
+ return 155000;
+ else if (drm->device.info.chipset >= 0x18)
+ return 135000;
+ else
+ return 112000;
+}
+
+static int
+nouveau_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
+ unsigned min_clock = 25000, max_clock = min_clock;
+ unsigned clock = mode->clock;
+
+ switch (nv_encoder->dcb->type) {
+ case DCB_OUTPUT_LVDS:
+ if (nv_connector->native_mode &&
+ (mode->hdisplay > nv_connector->native_mode->hdisplay ||
+ mode->vdisplay > nv_connector->native_mode->vdisplay))
+ return MODE_PANEL;
+
+ min_clock = 0;
+ max_clock = 400000;
+ break;
+ case DCB_OUTPUT_TMDS:
+ max_clock = get_tmds_link_bandwidth(connector);
+ if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
+ max_clock *= 2;
+ break;
+ case DCB_OUTPUT_ANALOG:
+ max_clock = nv_encoder->dcb->crtconf.maxfreq;
+ if (!max_clock)
+ max_clock = 350000;
+ break;
+ case DCB_OUTPUT_TV:
+ return get_slave_funcs(encoder)->mode_valid(encoder, mode);
+ case DCB_OUTPUT_DP:
+ max_clock = nv_encoder->dp.link_nr;
+ max_clock *= nv_encoder->dp.link_bw;
+ clock = clock * (connector->display_info.bpc * 3) / 10;
+ break;
+ default:
+ BUG_ON(1);
+ return MODE_BAD;
+ }
+
+ if (clock < min_clock)
+ return MODE_CLOCK_LOW;
+
+ if (clock > max_clock)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static struct drm_encoder *
+nouveau_connector_best_encoder(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+
+ if (nv_connector->detected_encoder)
+ return to_drm_encoder(nv_connector->detected_encoder);
+
+ return NULL;
+}
+
+static const struct drm_connector_helper_funcs
+nouveau_connector_helper_funcs = {
+ .get_modes = nouveau_connector_get_modes,
+ .mode_valid = nouveau_connector_mode_valid,
+ .best_encoder = nouveau_connector_best_encoder,
+};
+
+static const struct drm_connector_funcs
+nouveau_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = NULL,
+ .restore = NULL,
+ .detect = nouveau_connector_detect,
+ .destroy = nouveau_connector_destroy,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = nouveau_connector_set_property,
+ .force = nouveau_connector_force
+};
+
+static const struct drm_connector_funcs
+nouveau_connector_funcs_lvds = {
+ .dpms = drm_helper_connector_dpms,
+ .save = NULL,
+ .restore = NULL,
+ .detect = nouveau_connector_detect_lvds,
+ .destroy = nouveau_connector_destroy,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = nouveau_connector_set_property,
+ .force = nouveau_connector_force
+};
+
+static void
+nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
+{
+ struct nouveau_encoder *nv_encoder = NULL;
+
+ if (connector->encoder)
+ nv_encoder = nouveau_encoder(connector->encoder);
+ if (nv_encoder && nv_encoder->dcb &&
+ nv_encoder->dcb->type == DCB_OUTPUT_DP) {
+ if (mode == DRM_MODE_DPMS_ON) {
+ u8 data = DP_SET_POWER_D0;
+ nv_wraux(nv_encoder->i2c, DP_SET_POWER, &data, 1);
+ usleep_range(1000, 2000);
+ } else {
+ u8 data = DP_SET_POWER_D3;
+ nv_wraux(nv_encoder->i2c, DP_SET_POWER, &data, 1);
+ }
+ }
+
+ drm_helper_connector_dpms(connector, mode);
+}
+
+static const struct drm_connector_funcs
+nouveau_connector_funcs_dp = {
+ .dpms = nouveau_connector_dp_dpms,
+ .save = NULL,
+ .restore = NULL,
+ .detect = nouveau_connector_detect,
+ .destroy = nouveau_connector_destroy,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = nouveau_connector_set_property,
+ .force = nouveau_connector_force
+};
+
+static int
+nouveau_connector_hotplug(struct nvif_notify *notify)
+{
+ struct nouveau_connector *nv_connector =
+ container_of(notify, typeof(*nv_connector), hpd);
+ struct drm_connector *connector = &nv_connector->base;
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ const struct nvif_notify_conn_rep_v0 *rep = notify->data;
+ const char *name = connector->name;
+
+ if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
+ } else {
+ bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
+
+ NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
+
+ if (plugged)
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
+ else
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ drm_helper_hpd_irq_event(connector->dev);
+ }
+
+ return NVIF_NOTIFY_KEEP;
+}
+
+static ssize_t
+nouveau_connector_aux_xfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
+{
+ struct nouveau_connector *nv_connector =
+ container_of(aux, typeof(*nv_connector), aux);
+ struct nouveau_encoder *nv_encoder;
+ struct nvkm_i2c_port *port;
+ int ret;
+
+ nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
+ if (!nv_encoder || !(port = nv_encoder->i2c))
+ return -ENODEV;
+ if (WARN_ON(msg->size > 16))
+ return -E2BIG;
+ if (msg->size == 0)
+ return msg->size;
+
+ ret = nvkm_i2c(port)->acquire(port, 0);
+ if (ret)
+ return ret;
+
+ ret = port->func->aux(port, false, msg->request, msg->address,
+ msg->buffer, msg->size);
+ nvkm_i2c(port)->release(port);
+ if (ret >= 0) {
+ msg->reply = ret;
+ return msg->size;
+ }
+
+ return ret;
+}
+
+static int
+drm_conntype_from_dcb(enum dcb_connector_type dcb)
+{
+ switch (dcb) {
+ case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
+ case DCB_CONNECTOR_TV_0 :
+ case DCB_CONNECTOR_TV_1 :
+ case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
+ case DCB_CONNECTOR_DMS59_0 :
+ case DCB_CONNECTOR_DMS59_1 :
+ case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
+ case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
+ case DCB_CONNECTOR_LVDS :
+ case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
+ case DCB_CONNECTOR_DMS59_DP0:
+ case DCB_CONNECTOR_DMS59_DP1:
+ case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
+ case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
+ case DCB_CONNECTOR_HDMI_0 :
+ case DCB_CONNECTOR_HDMI_1 :
+ case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
+ default:
+ break;
+ }
+
+ return DRM_MODE_CONNECTOR_Unknown;
+}
+
+struct drm_connector *
+nouveau_connector_create(struct drm_device *dev, int index)
+{
+ const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_display *disp = nouveau_display(dev);
+ struct nouveau_connector *nv_connector = NULL;
+ struct drm_connector *connector;
+ int type, ret = 0;
+ bool dummy;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ nv_connector = nouveau_connector(connector);
+ if (nv_connector->index == index)
+ return connector;
+ }
+
+ nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
+ if (!nv_connector)
+ return ERR_PTR(-ENOMEM);
+
+ connector = &nv_connector->base;
+ nv_connector->index = index;
+
+ /* attempt to parse vbios connector type and hotplug gpio */
+ nv_connector->dcb = olddcb_conn(dev, index);
+ if (nv_connector->dcb) {
+ u32 entry = ROM16(nv_connector->dcb[0]);
+ if (olddcb_conntab(dev)[3] >= 4)
+ entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
+
+ nv_connector->type = nv_connector->dcb[0];
+ if (drm_conntype_from_dcb(nv_connector->type) ==
+ DRM_MODE_CONNECTOR_Unknown) {
+ NV_WARN(drm, "unknown connector type %02x\n",
+ nv_connector->type);
+ nv_connector->type = DCB_CONNECTOR_NONE;
+ }
+
+ /* Gigabyte NX85T */
+ if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
+ if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
+ nv_connector->type = DCB_CONNECTOR_DVI_I;
+ }
+
+ /* Gigabyte GV-NX86T512H */
+ if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
+ if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
+ nv_connector->type = DCB_CONNECTOR_DVI_I;
+ }
+ } else {
+ nv_connector->type = DCB_CONNECTOR_NONE;
+ }
+
+ /* no vbios data, or an unknown dcb connector type - attempt to
+ * figure out something suitable ourselves
+ */
+ if (nv_connector->type == DCB_CONNECTOR_NONE) {
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct dcb_table *dcbt = &drm->vbios.dcb;
+ u32 encoders = 0;
+ int i;
+
+ for (i = 0; i < dcbt->entries; i++) {
+ if (dcbt->entry[i].connector == nv_connector->index)
+ encoders |= (1 << dcbt->entry[i].type);
+ }
+
+ if (encoders & (1 << DCB_OUTPUT_DP)) {
+ if (encoders & (1 << DCB_OUTPUT_TMDS))
+ nv_connector->type = DCB_CONNECTOR_DP;
+ else
+ nv_connector->type = DCB_CONNECTOR_eDP;
+ } else
+ if (encoders & (1 << DCB_OUTPUT_TMDS)) {
+ if (encoders & (1 << DCB_OUTPUT_ANALOG))
+ nv_connector->type = DCB_CONNECTOR_DVI_I;
+ else
+ nv_connector->type = DCB_CONNECTOR_DVI_D;
+ } else
+ if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
+ nv_connector->type = DCB_CONNECTOR_VGA;
+ } else
+ if (encoders & (1 << DCB_OUTPUT_LVDS)) {
+ nv_connector->type = DCB_CONNECTOR_LVDS;
+ } else
+ if (encoders & (1 << DCB_OUTPUT_TV)) {
+ nv_connector->type = DCB_CONNECTOR_TV_0;
+ }
+ }
+
+ switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
+ case DRM_MODE_CONNECTOR_LVDS:
+ ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
+ if (ret) {
+ NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
+ kfree(nv_connector);
+ return ERR_PTR(ret);
+ }
+
+ funcs = &nouveau_connector_funcs_lvds;
+ break;
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ case DRM_MODE_CONNECTOR_eDP:
+ nv_connector->aux.dev = dev->dev;
+ nv_connector->aux.transfer = nouveau_connector_aux_xfer;
+ ret = drm_dp_aux_register(&nv_connector->aux);
+ if (ret) {
+ NV_ERROR(drm, "failed to register aux channel\n");
+ kfree(nv_connector);
+ return ERR_PTR(ret);
+ }
+
+ funcs = &nouveau_connector_funcs_dp;
+ break;
+ default:
+ funcs = &nouveau_connector_funcs;
+ break;
+ }
+
+ /* defaults, will get overridden in detect() */
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ drm_connector_init(dev, connector, funcs, type);
+ drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
+
+ /* Init DVI-I specific properties */
+ if (nv_connector->type == DCB_CONNECTOR_DVI_I)
+ drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
+
+ /* Add overscan compensation options to digital outputs */
+ if (disp->underscan_property &&
+ (type == DRM_MODE_CONNECTOR_DVID ||
+ type == DRM_MODE_CONNECTOR_DVII ||
+ type == DRM_MODE_CONNECTOR_HDMIA ||
+ type == DRM_MODE_CONNECTOR_DisplayPort)) {
+ drm_object_attach_property(&connector->base,
+ disp->underscan_property,
+ UNDERSCAN_OFF);
+ drm_object_attach_property(&connector->base,
+ disp->underscan_hborder_property,
+ 0);
+ drm_object_attach_property(&connector->base,
+ disp->underscan_vborder_property,
+ 0);
+ }
+
+ /* Add hue and saturation options */
+ if (disp->vibrant_hue_property)
+ drm_object_attach_property(&connector->base,
+ disp->vibrant_hue_property,
+ 90);
+ if (disp->color_vibrance_property)
+ drm_object_attach_property(&connector->base,
+ disp->color_vibrance_property,
+ 150);
+
+ /* default scaling mode */
+ switch (nv_connector->type) {
+ case DCB_CONNECTOR_LVDS:
+ case DCB_CONNECTOR_LVDS_SPWG:
+ case DCB_CONNECTOR_eDP:
+ /* see note in nouveau_connector_set_property() */
+ if (disp->disp.oclass < NV50_DISP) {
+ nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
+ break;
+ }
+ nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
+ break;
+ default:
+ nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
+ break;
+ }
+
+ /* scaling mode property */
+ switch (nv_connector->type) {
+ case DCB_CONNECTOR_TV_0:
+ case DCB_CONNECTOR_TV_1:
+ case DCB_CONNECTOR_TV_3:
+ break;
+ case DCB_CONNECTOR_VGA:
+ if (disp->disp.oclass < NV50_DISP)
+ break; /* can only scale on DFPs */
+ /* fall-through */
+ default:
+ drm_object_attach_property(&connector->base, dev->mode_config.
+ scaling_mode_property,
+ nv_connector->scaling_mode);
+ break;
+ }
+
+ /* dithering properties */
+ switch (nv_connector->type) {
+ case DCB_CONNECTOR_TV_0:
+ case DCB_CONNECTOR_TV_1:
+ case DCB_CONNECTOR_TV_3:
+ case DCB_CONNECTOR_VGA:
+ break;
+ default:
+ if (disp->dithering_mode) {
+ drm_object_attach_property(&connector->base,
+ disp->dithering_mode,
+ nv_connector->
+ dithering_mode);
+ nv_connector->dithering_mode = DITHERING_MODE_AUTO;
+ }
+ if (disp->dithering_depth) {
+ drm_object_attach_property(&connector->base,
+ disp->dithering_depth,
+ nv_connector->
+ dithering_depth);
+ nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
+ }
+ break;
+ }
+
+ ret = nvif_notify_init(&disp->disp, NULL, nouveau_connector_hotplug,
+ true, NV04_DISP_NTFY_CONN,
+ &(struct nvif_notify_conn_req_v0) {
+ .mask = NVIF_NOTIFY_CONN_V0_ANY,
+ .conn = index,
+ },
+ sizeof(struct nvif_notify_conn_req_v0),
+ sizeof(struct nvif_notify_conn_rep_v0),
+ &nv_connector->hpd);
+ if (ret)
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ else
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ drm_connector_register(connector);
+ return connector;
+}
Code Review / kvmfornfv.git / blobdiff