diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 1150 |
1 files changed, 1150 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c new file mode 100644 index 0000000..4da776f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -0,0 +1,1150 @@ +/* + * 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 <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 <subdev/i2c.h> +#include <subdev/gpio.h> + +MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); +static int nouveau_tv_disable = 0; +module_param_named(tv_disable, nouveau_tv_disable, int, 0400); + +MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); +static int nouveau_ignorelid = 0; +module_param_named(ignorelid, nouveau_ignorelid, int, 0400); + +MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); +static 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_mode_object *obj; + int i, id; + + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + id = connector->encoder_ids[i]; + if (!id) + break; + + obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); + if (!obj) + continue; + nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + + if (type == DCB_OUTPUT_ANY || 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); + kfree(nv_connector->edid); + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + kfree(connector); +} + +static struct nouveau_i2c_port * +nouveau_connector_ddc_detect(struct drm_connector *connector, + struct nouveau_encoder **pnv_encoder) +{ + struct drm_device *dev = connector->dev; + struct nouveau_connector *nv_connector = nouveau_connector(connector); + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_gpio *gpio = nouveau_gpio(drm->device); + struct nouveau_i2c_port *port = NULL; + 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; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + struct nouveau_encoder *nv_encoder; + struct drm_mode_object *obj; + int id; + + id = connector->encoder_ids[i]; + if (!id) + break; + + obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); + if (!obj) + continue; + nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + + port = nv_encoder->i2c; + if (port && nv_probe_i2c(port, 0x50)) { + *pnv_encoder = nv_encoder; + break; + } + + port = NULL; + } + + /* eDP panel not detected, restore panel power GPIO to previous + * state to avoid confusing the SOR for other output types. + */ + if (!port && panel == 0) + gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); + + return port; +} + +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 (nv_device(drm->device)->card_type >= NV_50) { + 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 (nv_device(drm->device)->card_type == NV_20 || + (nv_device(drm->device)->card_type == NV_10 && + (dev->pci_device & 0x0ff0) != 0x0100 && + (dev->pci_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 nouveau_i2c_port *i2c; + int type; + + /* 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; + } + + i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); + if (i2c) { + 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", + drm_get_connector_name(connector)); + goto detect_analog; + } + + if (nv_encoder->dcb->type == DCB_OUTPUT_DP && + !nouveau_dp_detect(to_drm_encoder(nv_encoder))) { + NV_ERROR(drm, "Detected %s, but failed init\n", + drm_get_connector_name(connector)); + return connector_status_disconnected; + } + + /* 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); + return connector_status_connected; + } + + nv_encoder = nouveau_connector_of_detect(connector); + if (nv_encoder) { + nouveau_connector_set_encoder(connector, nv_encoder); + return connector_status_connected; + } + +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); + struct drm_encoder_helper_funcs *helper = + encoder->helper_private; + + if (helper->detect(encoder, connector) == + connector_status_connected) { + nouveau_connector_set_encoder(connector, nv_encoder); + return connector_status_connected; + } + + } + + return connector_status_disconnected; +} + +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", + drm_get_connector_name(connector)); + 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: + case DRM_MODE_SCALE_FULLSCREEN: + case DRM_MODE_SCALE_CENTER: + case DRM_MODE_SCALE_ASPECT: + break; + default: + return -EINVAL; + } + + /* LVDS always needs gpu scaling */ + if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && + value == DRM_MODE_SCALE_NONE) + 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) +{ + 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) { + m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, + drm_mode_vrefresh(native), false, + false, false); + if (!m) + continue; + + m->type |= DRM_MODE_TYPE_DRIVER; + + 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 || + nv_device(drm->device)->chipset >= 0x46) + return 165000; + else if (nv_device(drm->device)->chipset >= 0x40) + return 155000; + else if (nv_device(drm->device)->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_hotplug_work(struct work_struct *work) +{ + struct nouveau_connector *nv_connector = + container_of(work, struct nouveau_connector, hpd_work); + struct drm_connector *connector = &nv_connector->base; + struct drm_device *dev = connector->dev; + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_gpio *gpio = nouveau_gpio(drm->device); + bool plugged = gpio->get(gpio, 0, nv_connector->hpd.func, 0xff); + + NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", + drm_get_connector_name(connector)); + + 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(dev); +} + +static int +nouveau_connector_hotplug(struct nouveau_eventh *event, int index) +{ + struct nouveau_connector *nv_connector = + container_of(event, struct nouveau_connector, hpd_func); + schedule_work(&nv_connector->hpd_work); + return NVKM_EVENT_KEEP; +} + +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 : 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_gpio *gpio = nouveau_gpio(drm->device); + 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; + INIT_WORK(&nv_connector->hpd_work, nouveau_connector_hotplug_work); + nv_connector->index = index; + + /* attempt to parse vbios connector type and hotplug gpio */ + nv_connector->dcb = olddcb_conn(dev, index); + if (nv_connector->dcb) { + static const u8 hpd[16] = { + 0xff, 0x07, 0x08, 0xff, 0xff, 0x51, 0x52, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0x5f, 0x60, + }; + + u32 entry = ROM16(nv_connector->dcb[0]); + if (olddcb_conntab(dev)[3] >= 4) + entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; + + ret = gpio->find(gpio, 0, hpd[ffs((entry & 0x07033000) >> 12)], + DCB_GPIO_UNUSED, &nv_connector->hpd); + nv_connector->hpd_func.func = nouveau_connector_hotplug; + if (ret) + nv_connector->hpd.func = DCB_GPIO_UNUSED; + + 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; + nv_connector->hpd.func = DCB_GPIO_UNUSED; + } + + /* 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; + } + } + + type = drm_conntype_from_dcb(nv_connector->type); + if (type == 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; + } else { + funcs = &nouveau_connector_funcs; + } + + /* 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); + + switch (nv_connector->type) { + case DCB_CONNECTOR_VGA: + if (nv_device(drm->device)->card_type >= NV_50) { + drm_object_attach_property(&connector->base, + dev->mode_config.scaling_mode_property, + nv_connector->scaling_mode); + } + /* fall-through */ + case DCB_CONNECTOR_TV_0: + case DCB_CONNECTOR_TV_1: + case DCB_CONNECTOR_TV_3: + nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; + break; + default: + nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; + + drm_object_attach_property(&connector->base, + dev->mode_config.scaling_mode_property, + nv_connector->scaling_mode); + if (disp->dithering_mode) { + nv_connector->dithering_mode = DITHERING_MODE_AUTO; + drm_object_attach_property(&connector->base, + disp->dithering_mode, + nv_connector->dithering_mode); + } + if (disp->dithering_depth) { + nv_connector->dithering_depth = DITHERING_DEPTH_AUTO; + drm_object_attach_property(&connector->base, + disp->dithering_depth, + nv_connector->dithering_depth); + } + break; + } + + connector->polled = DRM_CONNECTOR_POLL_CONNECT; + if (nv_connector->hpd.func != DCB_GPIO_UNUSED) + connector->polled = DRM_CONNECTOR_POLL_HPD; + + drm_sysfs_connector_add(connector); + return connector; +} |