blob: 24327f468c4b864b459fc0af3034c6548c2d3840 [file] [log] [blame]
/*
* 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)
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:
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;
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;
}