| /* |
| * 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 "drmP.h" |
| #include "drm_edid.h" |
| #include "drm_crtc_helper.h" |
| |
| #include "nouveau_reg.h" |
| #include "nouveau_drv.h" |
| #include "nouveau_encoder.h" |
| #include "nouveau_crtc.h" |
| #include "nouveau_connector.h" |
| #include "nouveau_hw.h" |
| |
| static inline struct drm_encoder_slave_funcs * |
| get_slave_funcs(struct nouveau_encoder *enc) |
| { |
| return to_encoder_slave(to_drm_encoder(enc))->slave_funcs; |
| } |
| |
| static struct nouveau_encoder * |
| find_encoder_by_type(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 == 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 *drm_connector) |
| { |
| struct nouveau_connector *nv_connector = |
| nouveau_connector(drm_connector); |
| struct drm_device *dev; |
| |
| if (!nv_connector) |
| return; |
| |
| dev = nv_connector->base.dev; |
| NV_DEBUG_KMS(dev, "\n"); |
| |
| kfree(nv_connector->edid); |
| drm_sysfs_connector_remove(drm_connector); |
| drm_connector_cleanup(drm_connector); |
| kfree(drm_connector); |
| } |
| |
| static void |
| nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags) |
| { |
| struct drm_nouveau_private *dev_priv = connector->dev->dev_private; |
| |
| if (dev_priv->card_type >= NV_50) |
| return; |
| |
| *flags = 0; |
| if (NVLockVgaCrtcs(dev_priv->dev, false)) |
| *flags |= 1; |
| if (nv_heads_tied(dev_priv->dev)) |
| *flags |= 2; |
| |
| if (*flags & 2) |
| NVSetOwner(dev_priv->dev, 0); /* necessary? */ |
| } |
| |
| static void |
| nouveau_connector_ddc_finish(struct drm_connector *connector, int flags) |
| { |
| struct drm_nouveau_private *dev_priv = connector->dev->dev_private; |
| |
| if (dev_priv->card_type >= NV_50) |
| return; |
| |
| if (flags & 2) |
| NVSetOwner(dev_priv->dev, 4); |
| if (flags & 1) |
| NVLockVgaCrtcs(dev_priv->dev, true); |
| } |
| |
| static struct nouveau_i2c_chan * |
| nouveau_connector_ddc_detect(struct drm_connector *connector, |
| struct nouveau_encoder **pnv_encoder) |
| { |
| struct drm_device *dev = connector->dev; |
| uint8_t out_buf[] = { 0x0, 0x0}, buf[2]; |
| int ret, flags, i; |
| |
| struct i2c_msg msgs[] = { |
| { |
| .addr = 0x50, |
| .flags = 0, |
| .len = 1, |
| .buf = out_buf, |
| }, |
| { |
| .addr = 0x50, |
| .flags = I2C_M_RD, |
| .len = 1, |
| .buf = buf, |
| } |
| }; |
| |
| for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
| struct nouveau_i2c_chan *i2c = NULL; |
| 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)); |
| |
| if (nv_encoder->dcb->i2c_index < 0xf) |
| i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); |
| if (!i2c) |
| continue; |
| |
| nouveau_connector_ddc_prepare(connector, &flags); |
| ret = i2c_transfer(&i2c->adapter, msgs, 2); |
| nouveau_connector_ddc_finish(connector, flags); |
| |
| if (ret == 2) { |
| *pnv_encoder = nv_encoder; |
| return i2c; |
| } |
| } |
| |
| 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 drm_nouveau_private *dev_priv = connector->dev->dev_private; |
| struct drm_device *dev = connector->dev; |
| |
| if (nv_connector->detected_encoder == nv_encoder) |
| return; |
| nv_connector->detected_encoder = nv_encoder; |
| |
| if (nv_encoder->dcb->type == OUTPUT_LVDS || |
| nv_encoder->dcb->type == OUTPUT_TMDS) { |
| connector->doublescan_allowed = false; |
| connector->interlace_allowed = false; |
| } else { |
| connector->doublescan_allowed = true; |
| if (dev_priv->card_type == NV_20 || |
| (dev_priv->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->dcb->type == DCB_CONNECTOR_DVI_I) { |
| drm_connector_property_set_value(connector, |
| dev->mode_config.dvi_i_subconnector_property, |
| nv_encoder->dcb->type == OUTPUT_TMDS ? |
| DRM_MODE_SUBCONNECTOR_DVID : |
| DRM_MODE_SUBCONNECTOR_DVIA); |
| } |
| } |
| |
| static enum drm_connector_status |
| nouveau_connector_detect(struct drm_connector *connector) |
| { |
| struct drm_device *dev = connector->dev; |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_encoder *nv_encoder = NULL; |
| struct nouveau_i2c_chan *i2c; |
| int type, flags; |
| |
| if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS) |
| nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); |
| if (nv_encoder && nv_connector->native_mode) { |
| unsigned status = connector_status_connected; |
| |
| #ifdef CONFIG_ACPI |
| if (!nouveau_ignorelid && !acpi_lid_open()) |
| status = connector_status_unknown; |
| #endif |
| nouveau_connector_set_encoder(connector, nv_encoder); |
| return status; |
| } |
| |
| /* 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) { |
| nouveau_connector_ddc_prepare(connector, &flags); |
| nv_connector->edid = drm_get_edid(connector, &i2c->adapter); |
| nouveau_connector_ddc_finish(connector, flags); |
| drm_mode_connector_update_edid_property(connector, |
| nv_connector->edid); |
| if (!nv_connector->edid) { |
| NV_ERROR(dev, "DDC responded, but no EDID for %s\n", |
| drm_get_connector_name(connector)); |
| goto detect_analog; |
| } |
| |
| if (nv_encoder->dcb->type == OUTPUT_DP && |
| !nouveau_dp_detect(to_drm_encoder(nv_encoder))) { |
| NV_ERROR(dev, "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. |
| */ |
| if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) { |
| if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) |
| type = OUTPUT_TMDS; |
| else |
| type = OUTPUT_ANALOG; |
| |
| nv_encoder = find_encoder_by_type(connector, type); |
| if (!nv_encoder) { |
| NV_ERROR(dev, "Detected %d encoder on %s, " |
| "but no object!\n", type, |
| drm_get_connector_name(connector)); |
| return connector_status_disconnected; |
| } |
| } |
| |
| nouveau_connector_set_encoder(connector, nv_encoder); |
| return connector_status_connected; |
| } |
| |
| detect_analog: |
| nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG); |
| if (!nv_encoder && !nouveau_tv_disable) |
| nv_encoder = find_encoder_by_type(connector, OUTPUT_TV); |
| if (nv_encoder) { |
| 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 void |
| nouveau_connector_force(struct drm_connector *connector) |
| { |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_encoder *nv_encoder; |
| int type; |
| |
| if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) { |
| if (connector->force == DRM_FORCE_ON_DIGITAL) |
| type = OUTPUT_TMDS; |
| else |
| type = OUTPUT_ANALOG; |
| } else |
| type = OUTPUT_ANY; |
| |
| nv_encoder = find_encoder_by_type(connector, type); |
| if (!nv_encoder) { |
| NV_ERROR(connector->dev, "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_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; |
| struct drm_device *dev = connector->dev; |
| int ret; |
| |
| /* Scaling mode */ |
| if (property == dev->mode_config.scaling_mode_property) { |
| struct nouveau_crtc *nv_crtc = NULL; |
| 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 (nv_connector->dcb->type == DCB_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 (connector->encoder && connector->encoder->crtc) |
| nv_crtc = nouveau_crtc(connector->encoder->crtc); |
| 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, value, true); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| /* Dithering */ |
| if (property == dev->mode_config.dithering_mode_property) { |
| struct nouveau_crtc *nv_crtc = NULL; |
| |
| if (value == DRM_MODE_DITHERING_ON) |
| nv_connector->use_dithering = true; |
| else |
| nv_connector->use_dithering = false; |
| |
| if (connector->encoder && connector->encoder->crtc) |
| nv_crtc = nouveau_crtc(connector->encoder->crtc); |
| |
| if (!nv_crtc || !nv_crtc->set_dither) |
| return 0; |
| |
| return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, |
| true); |
| } |
| |
| if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV) |
| return get_slave_funcs(nv_encoder)-> |
| set_property(to_drm_encoder(nv_encoder), connector, property, value); |
| |
| return -EINVAL; |
| } |
| |
| static struct drm_display_mode * |
| nouveau_connector_native_mode(struct nouveau_connector *connector) |
| { |
| struct drm_device *dev = connector->base.dev; |
| struct drm_display_mode *mode, *largest = NULL; |
| int high_w = 0, high_h = 0, high_v = 0; |
| |
| /* Use preferred mode if there is one.. */ |
| list_for_each_entry(mode, &connector->base.probed_modes, head) { |
| if (mode->type & DRM_MODE_TYPE_PREFERRED) { |
| NV_DEBUG_KMS(dev, "native mode from preferred\n"); |
| return drm_mode_duplicate(dev, mode); |
| } |
| } |
| |
| /* Otherwise, take the resolution with the largest width, then height, |
| * then vertical refresh |
| */ |
| list_for_each_entry(mode, &connector->base.probed_modes, head) { |
| 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_KMS(dev, "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 int |
| nouveau_connector_get_modes(struct drm_connector *connector) |
| { |
| struct drm_device *dev = connector->dev; |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; |
| int ret = 0; |
| |
| /* If we're not LVDS, destroy the previous native mode, the attached |
| * monitor could have changed. |
| */ |
| if (nv_connector->dcb->type != DCB_CONNECTOR_LVDS && |
| 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); |
| |
| /* 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(nv_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; |
| } |
| |
| if (nv_encoder->dcb->type == OUTPUT_TV) |
| ret = get_slave_funcs(nv_encoder)-> |
| get_modes(to_drm_encoder(nv_encoder), connector); |
| |
| if (nv_encoder->dcb->type == OUTPUT_LVDS) |
| ret += nouveau_connector_scaler_modes_add(connector); |
| |
| return ret; |
| } |
| |
| static int |
| nouveau_connector_mode_valid(struct drm_connector *connector, |
| struct drm_display_mode *mode) |
| { |
| struct drm_nouveau_private *dev_priv = connector->dev->dev_private; |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; |
| unsigned min_clock = 25000, max_clock = min_clock; |
| unsigned clock = mode->clock; |
| |
| switch (nv_encoder->dcb->type) { |
| case OUTPUT_LVDS: |
| BUG_ON(!nv_connector->native_mode); |
| if (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 OUTPUT_TMDS: |
| if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) || |
| (dev_priv->card_type < NV_50 && |
| !nv_encoder->dcb->duallink_possible)) |
| max_clock = 165000; |
| else |
| max_clock = 330000; |
| break; |
| case OUTPUT_ANALOG: |
| max_clock = nv_encoder->dcb->crtconf.maxfreq; |
| if (!max_clock) |
| max_clock = 350000; |
| break; |
| case OUTPUT_TV: |
| return get_slave_funcs(nv_encoder)-> |
| mode_valid(to_drm_encoder(nv_encoder), mode); |
| case OUTPUT_DP: |
| if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7) |
| max_clock = nv_encoder->dp.link_nr * 270000; |
| else |
| max_clock = nv_encoder->dp.link_nr * 162000; |
| |
| clock *= 3; |
| 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 int |
| nouveau_connector_create_lvds(struct drm_device *dev, |
| struct drm_connector *connector) |
| { |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nouveau_i2c_chan *i2c = NULL; |
| struct nouveau_encoder *nv_encoder; |
| struct drm_display_mode native, *mode, *temp; |
| bool dummy, if_is_24bit = false; |
| int ret, flags; |
| |
| nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); |
| if (!nv_encoder) |
| return -ENODEV; |
| |
| ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit); |
| if (ret) { |
| NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n"); |
| return ret; |
| } |
| nv_connector->use_dithering = !if_is_24bit; |
| |
| /* Firstly try getting EDID over DDC, if allowed and I2C channel |
| * is available. |
| */ |
| if (!dev_priv->vbios.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf) |
| i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); |
| |
| if (i2c) { |
| nouveau_connector_ddc_prepare(connector, &flags); |
| nv_connector->edid = drm_get_edid(connector, &i2c->adapter); |
| nouveau_connector_ddc_finish(connector, flags); |
| } |
| |
| /* 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 (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) && |
| (nv_encoder->dcb->lvdsconf.use_straps_for_mode || |
| dev_priv->vbios.fp_no_ddc)) { |
| nv_connector->native_mode = drm_mode_duplicate(dev, &native); |
| goto out; |
| } |
| |
| /* Still nothing, some VBIOS images have a hardcoded EDID block |
| * stored for the panel stored in them. |
| */ |
| if (!nv_connector->edid && !nv_connector->native_mode && |
| !dev_priv->vbios.fp_no_ddc) { |
| struct edid *edid = |
| (struct edid *)nouveau_bios_embedded_edid(dev); |
| if (edid) { |
| nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL); |
| *(nv_connector->edid) = *edid; |
| } |
| } |
| |
| if (!nv_connector->edid) |
| goto out; |
| |
| /* We didn't find/use a panel mode from the VBIOS, so parse the EDID |
| * block and look for the preferred mode there. |
| */ |
| ret = drm_add_edid_modes(connector, nv_connector->edid); |
| if (ret == 0) |
| goto out; |
| nv_connector->detected_encoder = nv_encoder; |
| nv_connector->native_mode = nouveau_connector_native_mode(nv_connector); |
| list_for_each_entry_safe(mode, temp, &connector->probed_modes, head) |
| drm_mode_remove(connector, mode); |
| |
| out: |
| if (!nv_connector->native_mode) { |
| NV_ERROR(dev, "LVDS present in DCB table, but couldn't " |
| "determine its native mode. Disabling.\n"); |
| return -ENODEV; |
| } |
| |
| drm_mode_connector_update_edid_property(connector, nv_connector->edid); |
| return 0; |
| } |
| |
| int |
| nouveau_connector_create(struct drm_device *dev, |
| struct dcb_connector_table_entry *dcb) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nouveau_connector *nv_connector = NULL; |
| struct drm_connector *connector; |
| struct drm_encoder *encoder; |
| int ret, type; |
| |
| NV_DEBUG_KMS(dev, "\n"); |
| |
| switch (dcb->type) { |
| case DCB_CONNECTOR_NONE: |
| return 0; |
| case DCB_CONNECTOR_VGA: |
| NV_INFO(dev, "Detected a VGA connector\n"); |
| type = DRM_MODE_CONNECTOR_VGA; |
| break; |
| case DCB_CONNECTOR_TV_0: |
| case DCB_CONNECTOR_TV_1: |
| case DCB_CONNECTOR_TV_3: |
| NV_INFO(dev, "Detected a TV connector\n"); |
| type = DRM_MODE_CONNECTOR_TV; |
| break; |
| case DCB_CONNECTOR_DVI_I: |
| NV_INFO(dev, "Detected a DVI-I connector\n"); |
| type = DRM_MODE_CONNECTOR_DVII; |
| break; |
| case DCB_CONNECTOR_DVI_D: |
| NV_INFO(dev, "Detected a DVI-D connector\n"); |
| type = DRM_MODE_CONNECTOR_DVID; |
| break; |
| case DCB_CONNECTOR_HDMI_0: |
| case DCB_CONNECTOR_HDMI_1: |
| NV_INFO(dev, "Detected a HDMI connector\n"); |
| type = DRM_MODE_CONNECTOR_HDMIA; |
| break; |
| case DCB_CONNECTOR_LVDS: |
| NV_INFO(dev, "Detected a LVDS connector\n"); |
| type = DRM_MODE_CONNECTOR_LVDS; |
| break; |
| case DCB_CONNECTOR_DP: |
| NV_INFO(dev, "Detected a DisplayPort connector\n"); |
| type = DRM_MODE_CONNECTOR_DisplayPort; |
| break; |
| case DCB_CONNECTOR_eDP: |
| NV_INFO(dev, "Detected an eDP connector\n"); |
| type = DRM_MODE_CONNECTOR_eDP; |
| break; |
| default: |
| NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type); |
| return -EINVAL; |
| } |
| |
| nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); |
| if (!nv_connector) |
| return -ENOMEM; |
| nv_connector->dcb = dcb; |
| connector = &nv_connector->base; |
| |
| /* defaults, will get overridden in detect() */ |
| connector->interlace_allowed = false; |
| connector->doublescan_allowed = false; |
| |
| drm_connector_init(dev, connector, &nouveau_connector_funcs, type); |
| drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); |
| |
| /* attach encoders */ |
| list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| |
| if (nv_encoder->dcb->connector != dcb->index) |
| continue; |
| |
| if (get_slave_funcs(nv_encoder)) |
| get_slave_funcs(nv_encoder)->create_resources(encoder, connector); |
| |
| drm_mode_connector_attach_encoder(connector, encoder); |
| } |
| |
| if (!connector->encoder_ids[0]) { |
| NV_WARN(dev, " no encoders, ignoring\n"); |
| drm_connector_cleanup(connector); |
| kfree(connector); |
| return 0; |
| } |
| |
| /* Init DVI-I specific properties */ |
| if (dcb->type == DCB_CONNECTOR_DVI_I) { |
| drm_mode_create_dvi_i_properties(dev); |
| drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0); |
| drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0); |
| } |
| |
| if (dcb->type != DCB_CONNECTOR_LVDS) |
| nv_connector->use_dithering = false; |
| |
| switch (dcb->type) { |
| case DCB_CONNECTOR_VGA: |
| connector->polled = DRM_CONNECTOR_POLL_CONNECT; |
| if (dev_priv->card_type >= NV_50) { |
| drm_connector_attach_property(connector, |
| 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; |
| case DCB_CONNECTOR_DP: |
| case DCB_CONNECTOR_eDP: |
| case DCB_CONNECTOR_HDMI_0: |
| case DCB_CONNECTOR_HDMI_1: |
| case DCB_CONNECTOR_DVI_I: |
| case DCB_CONNECTOR_DVI_D: |
| if (dev_priv->card_type >= NV_50) |
| connector->polled = DRM_CONNECTOR_POLL_HPD; |
| else |
| connector->polled = DRM_CONNECTOR_POLL_CONNECT; |
| /* fall-through */ |
| default: |
| nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; |
| |
| drm_connector_attach_property(connector, |
| dev->mode_config.scaling_mode_property, |
| nv_connector->scaling_mode); |
| drm_connector_attach_property(connector, |
| dev->mode_config.dithering_mode_property, |
| nv_connector->use_dithering ? |
| DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF); |
| break; |
| } |
| |
| drm_sysfs_connector_add(connector); |
| |
| if (dcb->type == DCB_CONNECTOR_LVDS) { |
| ret = nouveau_connector_create_lvds(dev, connector); |
| if (ret) { |
| connector->funcs->destroy(connector); |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |