geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
drm/linux-core/nv50_kms_wrapper.c

1455 lines
36 KiB
C
Raw Blame History

/*
* 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 "nv50_kms_wrapper.h"
#include "drm_crtc_helper.h" /* be careful what you use from this */
/* This file serves as the interface between the common kernel modesetting code and the device dependent implementation. */
/*
* Get private functions.
*/
struct nv50_kms_priv *nv50_get_kms_priv(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
return dev_priv->kms_priv;
}
/*
* Allocation functions.
*/
static void *nv50_kms_alloc_crtc(struct drm_device *dev)
{
struct nv50_kms_priv *kms_priv = nv50_get_kms_priv(dev);
struct nv50_kms_crtc *crtc = kzalloc(sizeof(struct nv50_kms_crtc), GFP_KERNEL);
if (!crtc)
return NULL;
list_add_tail(&crtc->item, &kms_priv->crtcs);
return &(crtc->priv);
}
static void *nv50_kms_alloc_output(struct drm_device *dev)
{
struct nv50_kms_priv *kms_priv = nv50_get_kms_priv(dev);
struct nv50_kms_encoder *encoder = kzalloc(sizeof(struct nv50_kms_encoder), GFP_KERNEL);
if (!encoder)
return NULL;
list_add_tail(&encoder->item, &kms_priv->encoders);
return &(encoder->priv);
}
static void *nv50_kms_alloc_connector(struct drm_device *dev)
{
struct nv50_kms_priv *kms_priv = nv50_get_kms_priv(dev);
struct nv50_kms_connector *connector = kzalloc(sizeof(struct nv50_kms_connector), GFP_KERNEL);
if (!connector)
return NULL;
list_add_tail(&connector->item, &kms_priv->connectors);
return &(connector->priv);
}
static void nv50_kms_free_crtc(void *crtc)
{
struct nv50_kms_crtc *kms_crtc = from_nv50_crtc(crtc);
list_del(&kms_crtc->item);
kfree(kms_crtc);
}
static void nv50_kms_free_output(void *output)
{
struct nv50_kms_encoder *kms_encoder = from_nv50_output(output);
list_del(&kms_encoder->item);
kfree(kms_encoder);
}
static void nv50_kms_free_connector(void *connector)
{
struct nv50_kms_connector *kms_connector = from_nv50_connector(connector);
list_del(&kms_connector->item);
kfree(kms_connector);
}
/*
* Mode conversion functions.
*/
static struct nouveau_hw_mode *nv50_kms_to_hw_mode(struct drm_display_mode *mode)
{
struct nouveau_hw_mode *hw_mode = kzalloc(sizeof(struct nouveau_hw_mode), GFP_KERNEL);
if (!hw_mode)
return NULL;
/* create hw values. */
hw_mode->clock = mode->clock;
hw_mode->flags = hw_mode->flags;
hw_mode->hdisplay = mode->hdisplay;
hw_mode->hsync_start = mode->hsync_start;
hw_mode->hsync_end = mode->hsync_end;
hw_mode->htotal = mode->htotal;
hw_mode->hblank_start = mode->hdisplay + 1;
hw_mode->hblank_end = mode->htotal;
hw_mode->vdisplay = mode->vdisplay;
hw_mode->vsync_start = mode->vsync_start;
hw_mode->vsync_end = mode->vsync_end;
hw_mode->vtotal = mode->vtotal;
hw_mode->vblank_start = mode->vdisplay + 1;
hw_mode->vblank_end = mode->vtotal;
return hw_mode;
}
/*
* State mirroring functions.
*/
static void nv50_kms_mirror_routing(struct drm_device *dev)
{
struct nv50_display *display = nv50_get_display(dev);
struct nv50_crtc *crtc = NULL;
struct nv50_output *output = NULL;
struct nv50_connector *connector = NULL;
struct drm_connector *drm_connector = NULL;
struct drm_crtc *drm_crtc = NULL;
/* Wipe all previous connections. */
list_for_each_entry(connector, &display->connectors, item) {
connector->output = NULL;
}
list_for_each_entry(output, &display->outputs, item) {
output->crtc = NULL;
}
list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
if (drm_connector->encoder) {
output = to_nv50_output(drm_connector->encoder);
connector = to_nv50_connector(drm_connector);
/* hook up output to connector. */
connector->output = output;
if (drm_connector->encoder->crtc) {
crtc = to_nv50_crtc(drm_connector->encoder->crtc);
/* hook up output to crtc. */
output->crtc = crtc;
}
}
}
/* mirror crtc active state */
list_for_each_entry(drm_crtc, &dev->mode_config.crtc_list, head) {
crtc = to_nv50_crtc(drm_crtc);
crtc->enabled = drm_crtc->enabled;
}
}
/*
* FB functions.
*/
static void nv50_kms_framebuffer_destroy(struct drm_framebuffer *drm_framebuffer)
{
drm_framebuffer_cleanup(drm_framebuffer);
kfree(drm_framebuffer);
}
static const struct drm_framebuffer_funcs nv50_kms_fb_funcs = {
.destroy = nv50_kms_framebuffer_destroy,
};
/*
* Mode config functions.
*/
static struct drm_framebuffer *nv50_kms_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd)
{
struct drm_framebuffer *drm_framebuffer = kzalloc(sizeof(struct drm_framebuffer), GFP_KERNEL);
if (!drm_framebuffer)
return NULL;
drm_framebuffer_init(dev, drm_framebuffer, &nv50_kms_fb_funcs);
drm_helper_mode_fill_fb_struct(drm_framebuffer, mode_cmd);
return drm_framebuffer;
}
static int nv50_kms_fb_changed(struct drm_device *dev)
{
return 0; /* not needed until nouveaufb? */
}
static const struct drm_mode_config_funcs nv50_kms_mode_funcs = {
.resize_fb = NULL,
.fb_create = nv50_kms_framebuffer_create,
.fb_changed = nv50_kms_fb_changed,
};
/*
* CRTC functions.
*/
static int nv50_kms_crtc_cursor_set(struct drm_crtc *drm_crtc,
struct drm_file *file_priv,
uint32_t buffer_handle,
uint32_t width, uint32_t height)
{
struct nv50_crtc *crtc = to_nv50_crtc(drm_crtc);
struct nv50_display *display = nv50_get_display(crtc->dev);
int rval = 0;
if (width != 64 || height != 64)
return -EINVAL;
/* set bo before doing show cursor */
if (buffer_handle) {
rval = crtc->cursor->set_bo(crtc, (drm_handle_t) buffer_handle);
if (rval != 0)
goto out;
}
crtc->cursor->visible = buffer_handle ? true : false;
if (buffer_handle) {
rval = crtc->cursor->show(crtc);
if (rval != 0)
goto out;
} else { /* no handle implies hiding the cursor */
rval = crtc->cursor->hide(crtc);
goto out;
}
if (rval != 0)
return rval;
out:
/* in case this triggers any other cursor changes */
display->update(display);
return rval;
}
static int nv50_kms_crtc_cursor_move(struct drm_crtc *drm_crtc, int x, int y)
{
struct nv50_crtc *crtc = to_nv50_crtc(drm_crtc);
return crtc->cursor->set_pos(crtc, x, y);
}
void nv50_kms_crtc_gamma_set(struct drm_crtc *drm_crtc, u16 *r, u16 *g, u16 *b,
uint32_t size)
{
struct nv50_crtc *crtc = to_nv50_crtc(drm_crtc);
if (size != 256)
return;
crtc->lut->set(crtc, (uint16_t *)r, (uint16_t *)g, (uint16_t *)b);
}
int nv50_kms_crtc_set_config(struct drm_mode_set *set)
{
int rval = 0, i;
uint32_t crtc_mask = 0;
struct drm_device *dev = NULL;
struct drm_nouveau_private *dev_priv = NULL;
struct nv50_display *display = NULL;
struct drm_connector *drm_connector = NULL;
struct drm_encoder *drm_encoder = NULL;
struct drm_crtc *drm_crtc = NULL;
struct nv50_crtc *crtc = NULL;
struct nv50_output *output = NULL;
struct nv50_connector *connector = NULL;
struct nouveau_hw_mode *hw_mode = NULL;
struct nv50_fb_info fb_info;
bool blank = false;
bool switch_fb = false;
bool modeset = false;
NV50_DEBUG("\n");
/*
* Supported operations:
* - Switch mode.
* - Switch framebuffer.
* - Blank screen.
*/
/* Sanity checking */
if (!set) {
DRM_ERROR("Sanity check failed\n");
goto out;
}
if (!set->crtc) {
DRM_ERROR("Sanity check failed\n");
goto out;
}
if (set->mode) {
if (set->fb) {
if (!drm_mode_equal(set->mode, &set->crtc->mode))
modeset = true;
if (set->fb != set->crtc->fb)
switch_fb = true;
if (set->x != set->crtc->x || set->y != set->crtc->y)
switch_fb = true;
}
} else {
blank = true;
}
if (!set->connectors && !blank) {
DRM_ERROR("Sanity check failed\n");
goto out;
}
/* Basic variable setting */
dev = set->crtc->dev;
dev_priv = dev->dev_private;
display = nv50_get_display(dev);
crtc = to_nv50_crtc(set->crtc);
/**
* Wiring up the encoders and connectors.
*/
/* for switch_fb we verify if any important changes happened */
if (!blank) {
/* Mode validation */
hw_mode = nv50_kms_to_hw_mode(set->mode);
rval = crtc->validate_mode(crtc, hw_mode);
if (rval != MODE_OK) {
DRM_ERROR("Mode not ok\n");
goto out;
}
for (i = 0; i < set->num_connectors; i++) {
drm_connector = set->connectors[i];
if (!drm_connector) {
DRM_ERROR("No connector\n");
goto out;
}
connector = to_nv50_connector(drm_connector);
/* This is to ensure it knows the connector subtype. */
drm_connector->funcs->fill_modes(drm_connector, 0, 0);
output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (!output) {
DRM_ERROR("No output\n");
goto out;
}
rval = output->validate_mode(output, hw_mode);
if (rval != MODE_OK) {
DRM_ERROR("Mode not ok\n");
goto out;
}
/* verify if any "sneaky" changes happened */
if (output != connector->output)
modeset = true;
if (output->crtc != crtc)
modeset = true;
}
}
/* Now we verified if anything changed, fail if nothing has. */
if (!modeset && !switch_fb && !blank)
DRM_INFO("A seemingly empty modeset encountered, this could be a bug.\n");
/* Validation done, move on to cleaning of existing structures. */
if (modeset) {
/* find encoders that use this crtc. */
list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
if (drm_encoder->crtc == set->crtc) {
/* find the connector that goes with it */
list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
if (drm_connector->encoder == drm_encoder) {
drm_connector->encoder = NULL;
break;
}
}
drm_encoder->crtc = NULL;
}
}
/* now find if our desired encoders or connectors are in use already. */
for (i = 0; i < set->num_connectors; i++) {
drm_connector = set->connectors[i];
if (!drm_connector) {
DRM_ERROR("No connector\n");
goto out;
}
if (!drm_connector->encoder)
continue;
drm_encoder = drm_connector->encoder;
drm_connector->encoder = NULL;
if (!drm_encoder->crtc)
continue;
drm_crtc = drm_encoder->crtc;
drm_encoder->crtc = NULL;
drm_crtc->enabled = false;
}
/* Time to wire up the public encoder, the private one will be handled later. */
for (i = 0; i < set->num_connectors; i++) {
drm_connector = set->connectors[i];
if (!drm_connector) {
DRM_ERROR("No connector\n");
goto out;
}
output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (!output) {
DRM_ERROR("No output\n");
goto out;
}
/* find the encoder public structure that matches out output structure. */
drm_encoder = to_nv50_kms_encoder(output);
if (!drm_encoder) {
DRM_ERROR("No encoder\n");
goto out;
}
drm_encoder->crtc = set->crtc;
set->crtc->enabled = true;
drm_connector->encoder = drm_encoder;
}
}
/**
* Disable crtc.
*/
if (blank) {
crtc = to_nv50_crtc(set->crtc);
set->crtc->enabled = false;
/* disconnect encoders and connectors */
for (i = 0; i < set->num_connectors; i++) {
drm_connector = set->connectors[i];
if (!drm_connector->encoder)
continue;
drm_connector->encoder->crtc = NULL;
drm_connector->encoder = NULL;
}
}
/**
* All state should now be updated, now onto the real work.
*/
/* mirror everything to the private structs */
nv50_kms_mirror_routing(dev);
/**
* Bind framebuffer.
*/
if (switch_fb) {
crtc = to_nv50_crtc(set->crtc);
/* set framebuffer */
set->crtc->fb = set->fb;
/* set private framebuffer */
crtc = to_nv50_crtc(set->crtc);
fb_info.block = find_block_by_handle(dev_priv->fb_heap, set->fb->mm_handle);
fb_info.width = set->fb->width;
fb_info.height = set->fb->height;
fb_info.depth = set->fb->depth;
fb_info.bpp = set->fb->bits_per_pixel;
fb_info.pitch = set->fb->pitch;
fb_info.x = set->x;
fb_info.y = set->y;
rval = crtc->fb->bind(crtc, &fb_info);
if (rval != 0) {
DRM_ERROR("fb_bind failed\n");
goto out;
}
}
/* this is !cursor_show */
if (!crtc->cursor->enabled) {
rval = crtc->cursor->enable(crtc);
if (rval != 0) {
DRM_ERROR("cursor_enable failed\n");
goto out;
}
}
/**
* Blanking.
*/
if (blank) {
crtc = to_nv50_crtc(set->crtc);
rval = crtc->blank(crtc, true);
if (rval != 0) {
DRM_ERROR("blanking failed\n");
goto out;
}
/* detach any outputs that are currently unused */
list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
if (!drm_encoder->crtc) {
output = to_nv50_output(drm_encoder);
rval = output->execute_mode(output, true);
if (rval != 0) {
DRM_ERROR("detaching output failed\n");
goto out;
}
}
}
}
/**
* Change framebuffer, without changing mode.
*/
if (switch_fb && !modeset && !blank) {
crtc = to_nv50_crtc(set->crtc);
rval = crtc->set_fb(crtc);
if (rval != 0) {
DRM_ERROR("set_fb failed\n");
goto out;
}
/* this also sets the fb offset */
rval = crtc->blank(crtc, false);
if (rval != 0) {
DRM_ERROR("unblanking failed\n");
goto out;
}
}
/**
* Normal modesetting.
*/
if (modeset) {
crtc = to_nv50_crtc(set->crtc);
/* disconnect unused outputs */
list_for_each_entry(output, &display->outputs, item) {
if (output->crtc) {
crtc_mask |= 1 << output->crtc->index;
} else {
rval = output->execute_mode(output, true);
if (rval != 0) {
DRM_ERROR("detaching output failed\n");
goto out;
}
}
}
/* blank any unused crtcs */
list_for_each_entry(crtc, &display->crtcs, item) {
if (!(crtc_mask & (1 << crtc->index)))
crtc->blank(crtc, true);
}
crtc = to_nv50_crtc(set->crtc);
rval = crtc->set_mode(crtc, hw_mode);
if (rval != 0) {
DRM_ERROR("crtc mode set failed\n");
goto out;
}
/* find native mode. */
list_for_each_entry(output, &display->outputs, item) {
if (output->crtc != crtc)
continue;
*crtc->native_mode = *output->native_mode;
list_for_each_entry(connector, &display->connectors, item) {
if (connector->output != output)
continue;
crtc->requested_scaling_mode = connector->requested_scaling_mode;
crtc->use_dithering = connector->use_dithering;
break;
}
if (crtc->requested_scaling_mode == SCALE_NON_GPU)
crtc->use_native_mode = false;
else
crtc->use_native_mode = true;
break; /* no use in finding more than one mode */
}
rval = crtc->execute_mode(crtc);
if (rval != 0) {
DRM_ERROR("crtc execute mode failed\n");
goto out;
}
list_for_each_entry(output, &display->outputs, item) {
if (output->crtc != crtc)
continue;
rval = output->execute_mode(output, false);
if (rval != 0) {
DRM_ERROR("output execute mode failed\n");
goto out;
}
}
rval = crtc->set_scale(crtc);
if (rval != 0) {
DRM_ERROR("crtc set scale failed\n");
goto out;
}
/* next line changes crtc, so putting it here is important */
display->last_crtc = crtc->index;
}
/* always reset dpms, regardless if any other modesetting is done. */
if (!blank) {
/* this is executed immediately */
list_for_each_entry(output, &display->outputs, item) {
if (output->crtc != crtc)
continue;
rval = output->set_power_mode(output, DRM_MODE_DPMS_ON);
if (rval != 0) {
DRM_ERROR("output set power mode failed\n");
goto out;
}
}
/* update dpms state to DPMSModeOn */
for (i = 0; i < set->num_connectors; i++) {
drm_connector = set->connectors[i];
if (!drm_connector) {
DRM_ERROR("No connector\n");
goto out;
}
rval = drm_connector_property_set_value(drm_connector,
dev->mode_config.dpms_property,
DRM_MODE_DPMS_ON);
if (rval != 0) {
DRM_ERROR("failed to update dpms state\n");
goto out;
}
}
}
display->update(display);
/* Update the current mode, now that all has gone well. */
if (modeset) {
set->crtc->mode = *(set->mode);
set->crtc->x = set->x;
set->crtc->y = set->y;
}
kfree(hw_mode);
return 0;
out:
kfree(hw_mode);
if (rval != 0)
return rval;
else
return -EINVAL;
}
static void nv50_kms_crtc_destroy(struct drm_crtc *drm_crtc)
{
struct nv50_crtc *crtc = to_nv50_crtc(drm_crtc);
drm_crtc_cleanup(drm_crtc);
/* this will even destroy the public structure. */
crtc->destroy(crtc);
}
static const struct drm_crtc_funcs nv50_kms_crtc_funcs = {
.save = NULL,
.restore = NULL,
.cursor_set = nv50_kms_crtc_cursor_set,
.cursor_move = nv50_kms_crtc_cursor_move,
.gamma_set = nv50_kms_crtc_gamma_set,
.set_config = nv50_kms_crtc_set_config,
.destroy = nv50_kms_crtc_destroy,
};
static int nv50_kms_crtcs_init(struct drm_device *dev)
{
struct nv50_display *display = nv50_get_display(dev);
struct nv50_crtc *crtc = NULL;
/*
* This may look a bit confusing, but:
* The internal structure is already allocated and so is the public one.
* Just a matter of getting to the memory and register it.
*/
list_for_each_entry(crtc, &display->crtcs, item) {
struct drm_crtc *drm_crtc = to_nv50_kms_crtc(crtc);
drm_crtc_init(dev, drm_crtc, &nv50_kms_crtc_funcs);
/* init lut storage */
drm_mode_crtc_set_gamma_size(drm_crtc, 256);
}
return 0;
}
/*
* Encoder functions
*/
static void nv50_kms_encoder_destroy(struct drm_encoder *drm_encoder)
{
struct nv50_output *output = to_nv50_output(drm_encoder);
drm_encoder_cleanup(drm_encoder);
/* this will even destroy the public structure. */
output->destroy(output);
}
static const struct drm_encoder_funcs nv50_kms_encoder_funcs = {
.destroy = nv50_kms_encoder_destroy,
};
static int nv50_kms_encoders_init(struct drm_device *dev)
{
struct nv50_display *display = nv50_get_display(dev);
struct nv50_output *output = NULL;
list_for_each_entry(output, &display->outputs, item) {
struct drm_encoder *drm_encoder = to_nv50_kms_encoder(output);
uint32_t type = DRM_MODE_ENCODER_NONE;
switch (output->type) {
case OUTPUT_DAC:
type = DRM_MODE_ENCODER_DAC;
break;
case OUTPUT_TMDS:
type = DRM_MODE_ENCODER_TMDS;
break;
case OUTPUT_LVDS:
type = DRM_MODE_ENCODER_LVDS;
break;
case OUTPUT_TV:
type = DRM_MODE_ENCODER_TVDAC;
break;
default:
type = DRM_MODE_ENCODER_NONE;
break;
}
if (type == DRM_MODE_ENCODER_NONE) {
DRM_ERROR("DRM_MODE_ENCODER_NONE encountered\n");
continue;
}
drm_encoder_init(dev, drm_encoder, &nv50_kms_encoder_funcs, type);
/* I've never seen possible crtc's restricted. */
drm_encoder->possible_crtcs = 3;
drm_encoder->possible_clones = 0;
}
return 0;
}
/*
* Connector functions
*/
/* These 2 functions wrap the connector properties that deal with multiple encoders per connector. */
bool nv50_kms_connector_get_digital(struct drm_connector *drm_connector)
{
struct drm_device *dev = drm_connector->dev;
switch (drm_connector->connector_type) {
case DRM_MODE_CONNECTOR_VGA:
case DRM_MODE_CONNECTOR_SVIDEO:
return false;
case DRM_MODE_CONNECTOR_DVID:
case DRM_MODE_CONNECTOR_LVDS:
return true;
default:
break;
}
if (drm_connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
int rval;
uint64_t prop_val;
rval = drm_connector_property_get_value(drm_connector, dev->mode_config.dvi_i_select_subconnector_property, &prop_val);
if (rval) {
DRM_ERROR("Unable to find select subconnector property, defaulting to DVI-D\n");
return true;
}
/* Is a subconnector explicitly selected? */
switch (prop_val) {
case DRM_MODE_SUBCONNECTOR_DVID:
return true;
case DRM_MODE_SUBCONNECTOR_DVIA:
return false;
default:
break;
}
rval = drm_connector_property_get_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, &prop_val);
if (rval) {
DRM_ERROR("Unable to find subconnector property, defaulting to DVI-D\n");
return true;
}
/* Do we know what subconnector we currently have connected? */
switch (prop_val) {
case DRM_MODE_SUBCONNECTOR_DVID:
return true;
case DRM_MODE_SUBCONNECTOR_DVIA:
return false;
default:
DRM_ERROR("Unknown subconnector value, defaulting to DVI-D\n");
return true;
}
}
DRM_ERROR("Unknown connector type, defaulting to analog\n");
return false;
}
static void nv50_kms_connector_set_digital(struct drm_connector *drm_connector, int digital, bool force)
{
struct drm_device *dev = drm_connector->dev;
if (drm_connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
uint64_t cur_value, new_value;
int rval = drm_connector_property_get_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, &cur_value);
if (rval) {
DRM_ERROR("Unable to find subconnector property\n");
return;
}
/* Only set when unknown or when forced to do so. */
if (cur_value != DRM_MODE_SUBCONNECTOR_Unknown && !force)
return;
if (digital == 1)
new_value = DRM_MODE_SUBCONNECTOR_DVID;
else if (digital == 0)
new_value = DRM_MODE_SUBCONNECTOR_DVIA;
else
new_value = DRM_MODE_SUBCONNECTOR_Unknown;
drm_connector_property_set_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, new_value);
}
}
void nv50_kms_connector_detect_all(struct drm_device *dev)
{
struct drm_connector *drm_connector = NULL;
list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
drm_connector->funcs->detect(drm_connector);
}
}
static enum drm_connector_status nv50_kms_connector_detect(struct drm_connector *drm_connector)
{
struct drm_device *dev = drm_connector->dev;
struct nv50_connector *connector = to_nv50_connector(drm_connector);
struct nv50_output *output = NULL;
int hpd_detect = 0, load_detect = 0, i2c_detect = 0;
int old_status = drm_connector->status;
/* hotplug detect */
hpd_detect = connector->hpd_detect(connector);
/* load detect */
output = connector->to_output(connector, false); /* analog */
if (output && output->detect)
load_detect = output->detect(output);
if (hpd_detect < 0 || load_detect < 0) /* did an error occur? */
i2c_detect = connector->i2c_detect(connector);
if (load_detect == 1) {
nv50_kms_connector_set_digital(drm_connector, 0, true); /* analog, forced */
} else if (hpd_detect == 1 && load_detect == 0) {
nv50_kms_connector_set_digital(drm_connector, 1, true); /* digital, forced */
} else {
nv50_kms_connector_set_digital(drm_connector, -1, true); /* unknown, forced */
}
if (hpd_detect == 1 || load_detect == 1 || i2c_detect == 1)
drm_connector->status = connector_status_connected;
else
drm_connector->status = connector_status_disconnected;
/* update our modes whenever there is reason to */
if (old_status != drm_connector->status) {
drm_connector->funcs->fill_modes(drm_connector, 0, 0);
/* notify fb of changes */
dev->mode_config.funcs->fb_changed(dev);
/* sent a hotplug event when appropriate. */
drm_sysfs_hotplug_event(dev);
}
return drm_connector->status;
}
static void nv50_kms_connector_destroy(struct drm_connector *drm_connector)
{
struct nv50_connector *connector = to_nv50_connector(drm_connector);
drm_sysfs_connector_remove(drm_connector);
drm_connector_cleanup(drm_connector);
/* this will even destroy the public structure. */
connector->destroy(connector);
}
/*
* Detailed mode info for a standard 640x480@60Hz monitor
*/
static struct drm_display_mode std_mode[] = {
/*{ DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 25200, 640, 656,
752, 800, 0, 480, 490, 492, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },*/ /* 640x480@60Hz */
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DEFAULT, 135000, 1280, 1296,
1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
};
static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, uint32_t maxX, uint32_t maxY)
{
struct nv50_connector *connector = to_nv50_connector(drm_connector);
struct drm_device *dev = drm_connector->dev;
int rval = 0;
bool connected = false;
struct drm_display_mode *mode, *t;
struct edid *edid = NULL;
NV50_DEBUG("%s\n", drm_get_connector_name(drm_connector));
/* set all modes to the unverified state */
list_for_each_entry_safe(mode, t, &drm_connector->modes, head)
mode->status = MODE_UNVERIFIED;
if (nv50_kms_connector_detect(drm_connector) == connector_status_connected)
connected = true;
if (connected)
NV50_DEBUG("%s is connected\n", drm_get_connector_name(drm_connector));
else
NV50_DEBUG("%s is disconnected\n", drm_get_connector_name(drm_connector));
/* Not all connnectors have an i2c channel. */
if (connected && connector->i2c_chan)
edid = (struct edid *) drm_do_probe_ddc_edid(&connector->i2c_chan->adapter);
/* This will remove edid if needed. */
drm_mode_connector_update_edid_property(drm_connector, edid);
if (edid) {
rval = drm_add_edid_modes(drm_connector, edid);
/* Only update when relevant and when detect couldn't determine type. */
nv50_kms_connector_set_digital(drm_connector, edid->digital ? 1 : 0, false);
kfree(edid);
}
if (rval) /* number of modes > 1 */
drm_mode_connector_list_update(drm_connector);
if (maxX && maxY)
drm_mode_validate_size(dev, &drm_connector->modes, maxX, maxY, 0);
list_for_each_entry_safe(mode, t, &drm_connector->modes, head) {
if (mode->status == MODE_OK) {
struct nouveau_hw_mode *hw_mode = nv50_kms_to_hw_mode(mode);
struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
mode->status = output->validate_mode(output, hw_mode);
/* find native mode, TODO: also check if we actually found one */
if (mode->status == MODE_OK) {
if (mode->type & DRM_MODE_TYPE_PREFERRED)
*output->native_mode = *hw_mode;
}
kfree(hw_mode);
}
}
/* revalidate now that we have native mode */
list_for_each_entry_safe(mode, t, &drm_connector->modes, head) {
if (mode->status == MODE_OK) {
struct nouveau_hw_mode *hw_mode = nv50_kms_to_hw_mode(mode);
struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
mode->status = output->validate_mode(output, hw_mode);
kfree(hw_mode);
}
}
drm_mode_prune_invalid(dev, &drm_connector->modes, true);
/* pruning is done, so bail out. */
if (!connected)
return;
if (list_empty(&drm_connector->modes)) {
struct drm_display_mode *stdmode;
struct nouveau_hw_mode *hw_mode;
struct nv50_output *output;
NV50_DEBUG("No valid modes on %s\n", drm_get_connector_name(drm_connector));
/* Making up native modes for LVDS is a bad idea. */
if (drm_connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
return;
/* Should we do this here ???
* When no valid EDID modes are available we end up
* here and bailed in the past, now we add a standard
* 640x480@60Hz mode and carry on.
*/
stdmode = drm_mode_duplicate(dev, &std_mode[0]);
drm_mode_probed_add(drm_connector, stdmode);
drm_mode_list_concat(&drm_connector->probed_modes,
&drm_connector->modes);
/* also add it as native mode */
hw_mode = nv50_kms_to_hw_mode(mode);
output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (hw_mode)
*output->native_mode = *hw_mode;
DRM_DEBUG("Adding standard 640x480 @ 60Hz to %s\n",
drm_get_connector_name(drm_connector));
}
drm_mode_sort(&drm_connector->modes);
NV50_DEBUG("Probed modes for %s\n", drm_get_connector_name(drm_connector));
list_for_each_entry_safe(mode, t, &drm_connector->modes, head) {
mode->vrefresh = drm_mode_vrefresh(mode);
/* is this needed, as it's unused by the driver? */
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
drm_mode_debug_printmodeline(mode);
}
}
static int nv50_kms_connector_set_property(struct drm_connector *drm_connector,
struct drm_property *property,
uint64_t value)
{
struct drm_device *dev = drm_connector->dev;
struct nv50_connector *connector = to_nv50_connector(drm_connector);
int rval = 0;
bool delay_change = false;
/* DPMS */
if (property == dev->mode_config.dpms_property && drm_connector->encoder) {
struct nv50_output *output = to_nv50_output(drm_connector->encoder);
rval = output->set_power_mode(output, (int) value);
return rval;
}
/* Scaling mode */
if (property == dev->mode_config.scaling_mode_property) {
struct nv50_crtc *crtc = NULL;
struct nv50_display *display = nv50_get_display(dev);
int internal_value = 0;
switch (value) {
case DRM_MODE_SCALE_NON_GPU:
internal_value = SCALE_NON_GPU;
break;
case DRM_MODE_SCALE_FULLSCREEN:
internal_value = SCALE_FULLSCREEN;
break;
case DRM_MODE_SCALE_NO_SCALE:
internal_value = SCALE_NOSCALE;
break;
case DRM_MODE_SCALE_ASPECT:
internal_value = SCALE_ASPECT;
break;
default:
break;
}
/* LVDS always needs gpu scaling */
if (connector->type == CONNECTOR_LVDS && internal_value == SCALE_NON_GPU)
return -EINVAL;
connector->requested_scaling_mode = internal_value;
if (drm_connector->encoder && drm_connector->encoder->crtc)
crtc = to_nv50_crtc(drm_connector->encoder->crtc);
if (!crtc)
return 0;
crtc->requested_scaling_mode = connector->requested_scaling_mode;
/* going from and to a gpu scaled regime requires a modesetting, so wait until next modeset */
if (crtc->scaling_mode == SCALE_NON_GPU || internal_value == SCALE_NON_GPU) {
DRM_INFO("Moving from or to a non-gpu scaled mode, this will be processed upon next modeset.");
delay_change = true;
}
if (delay_change)
return 0;
rval = crtc->set_scale(crtc);
if (rval)
return rval;
/* process command buffer */
display->update(display);
return 0;
}
/* Dithering */
if (property == dev->mode_config.dithering_mode_property) {
struct nv50_crtc *crtc = NULL;
struct nv50_display *display = nv50_get_display(dev);
if (value == DRM_MODE_DITHERING_ON)
connector->use_dithering = true;
else
connector->use_dithering = false;
if (drm_connector->encoder && drm_connector->encoder->crtc)
crtc = to_nv50_crtc(drm_connector->encoder->crtc);
if (!crtc)
return 0;
/* update hw state */
crtc->use_dithering = connector->use_dithering;
rval = crtc->set_dither(crtc);
if (rval)
return rval;
/* process command buffer */
display->update(display);
return 0;
}
return -EINVAL;
}
static const struct drm_connector_funcs nv50_kms_connector_funcs = {
.save = NULL,
.restore = NULL,
.detect = nv50_kms_connector_detect,
.destroy = nv50_kms_connector_destroy,
.fill_modes = nv50_kms_connector_fill_modes,
.set_property = nv50_kms_connector_set_property
};
static int nv50_kms_get_scaling_mode(struct drm_connector *drm_connector)
{
struct nv50_connector *connector = NULL;
int drm_mode = 0;
if (!drm_connector) {
DRM_ERROR("drm_connector is NULL\n");
return 0;
}
connector = to_nv50_connector(drm_connector);
switch (connector->requested_scaling_mode) {
case SCALE_NON_GPU:
drm_mode = DRM_MODE_SCALE_NON_GPU;
break;
case SCALE_FULLSCREEN:
drm_mode = DRM_MODE_SCALE_FULLSCREEN;
break;
case SCALE_NOSCALE:
drm_mode = DRM_MODE_SCALE_NO_SCALE;
break;
case SCALE_ASPECT:
drm_mode = DRM_MODE_SCALE_ASPECT;
break;
default:
break;
}
return drm_mode;
}
static int nv50_kms_connectors_init(struct drm_device *dev)
{
struct nv50_display *display = nv50_get_display(dev);
struct nv50_connector *connector = NULL;
int i;
/* Initialise some optional connector properties. */
drm_mode_create_scaling_mode_property(dev);
drm_mode_create_dithering_property(dev);
list_for_each_entry(connector, &display->connectors, item) {
struct drm_connector *drm_connector = to_nv50_kms_connector(connector);
uint32_t type = DRM_MODE_CONNECTOR_Unknown;
switch (connector->type) {
case CONNECTOR_VGA:
type = DRM_MODE_CONNECTOR_VGA;
break;
case CONNECTOR_DVI_D:
type = DRM_MODE_CONNECTOR_DVID;
break;
case CONNECTOR_DVI_I:
type = DRM_MODE_CONNECTOR_DVII;
break;
case CONNECTOR_LVDS:
type = DRM_MODE_CONNECTOR_LVDS;
break;
case CONNECTOR_TV:
type = DRM_MODE_CONNECTOR_SVIDEO;
break;
default:
type = DRM_MODE_CONNECTOR_Unknown;
break;
}
if (type == DRM_MODE_CONNECTOR_Unknown) {
DRM_ERROR("DRM_MODE_CONNECTOR_Unknown encountered\n");
continue;
}
/* It should be allowed sometimes, but let's be safe for the moment. */
drm_connector->interlace_allowed = false;
drm_connector->doublescan_allowed = false;
drm_connector_init(dev, drm_connector, &nv50_kms_connector_funcs, type);
/* Init DVI-I specific properties */
if (type == DRM_MODE_CONNECTOR_DVII) {
drm_mode_create_dvi_i_properties(dev);
drm_connector_attach_property(drm_connector, dev->mode_config.dvi_i_subconnector_property, 0);
drm_connector_attach_property(drm_connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
}
/* If supported in the future, it will have to use the scalers internally and not expose them. */
if (type != DRM_MODE_CONNECTOR_SVIDEO) {
drm_connector_attach_property(drm_connector, dev->mode_config.scaling_mode_property, nv50_kms_get_scaling_mode(drm_connector));
}
drm_connector_attach_property(drm_connector, dev->mode_config.dithering_mode_property, connector->use_dithering ? DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
/* attach encoders, possibilities are analog + digital */
for (i = 0; i < 2; i++) {
struct drm_encoder *drm_encoder = NULL;
struct nv50_output *output = connector->to_output(connector, i);
if (!output)
continue;
drm_encoder = to_nv50_kms_encoder(output);
if (!drm_encoder) {
DRM_ERROR("No struct drm_connector to match struct nv50_output\n");
continue;
}
drm_mode_connector_attach_encoder(drm_connector, drm_encoder);
}
drm_sysfs_connector_add(drm_connector);
}
return 0;
}
/*
* Main functions
*/
int nv50_kms_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv50_kms_priv *kms_priv = kzalloc(sizeof(struct nv50_kms_priv), GFP_KERNEL);
struct nv50_display *display = NULL;
int rval = 0;
if (!kms_priv)
return -ENOMEM;
dev_priv->kms_priv = kms_priv;
/* function pointers */
/* an allocation interface that deals with the outside world, without polluting the core. */
dev_priv->alloc_crtc = nv50_kms_alloc_crtc;
dev_priv->alloc_output = nv50_kms_alloc_output;
dev_priv->alloc_connector = nv50_kms_alloc_connector;
dev_priv->free_crtc = nv50_kms_free_crtc;
dev_priv->free_output = nv50_kms_free_output;
dev_priv->free_connector = nv50_kms_free_connector;
/* bios is needed for tables. */
rval = nouveau_parse_bios(dev);
if (rval != 0)
goto out;
/* init basic kernel modesetting */
drm_mode_config_init(dev);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
dev->mode_config.funcs = (void *)&nv50_kms_mode_funcs;
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
dev->mode_config.fb_base = dev_priv->fb_phys;
/* init kms lists */
INIT_LIST_HEAD(&kms_priv->crtcs);
INIT_LIST_HEAD(&kms_priv->encoders);
INIT_LIST_HEAD(&kms_priv->connectors);
/* init the internal core, must be done first. */
rval = nv50_display_create(dev);
if (rval != 0)
goto out;
display = nv50_get_display(dev);
if (!display) {
rval = -EINVAL;
goto out;
}
/* pre-init now */
rval = display->pre_init(display);
if (rval != 0)
goto out;
/* init external layer */
rval = nv50_kms_crtcs_init(dev);
if (rval != 0)
goto out;
rval = nv50_kms_encoders_init(dev);
if (rval != 0)
goto out;
rval = nv50_kms_connectors_init(dev);
if (rval != 0)
goto out;
/* init now, this'll kill the textmode */
rval = display->init(display);
if (rval != 0)
goto out;
/* process cmdbuffer */
display->update(display);
return 0;
out:
kfree(kms_priv);
dev_priv->kms_priv = NULL;
return rval;
}
int nv50_kms_destroy(struct drm_device *dev)
{
drm_mode_config_cleanup(dev);
return 0;
}
Reference in New Issue View Git Blame Copy Permalink