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-rw-r--r--linux-core/nv50_kms_wrapper.c1454
1 files changed, 0 insertions, 1454 deletions
diff --git a/linux-core/nv50_kms_wrapper.c b/linux-core/nv50_kms_wrapper.c
deleted file mode 100644
index 1320e5ed..00000000
--- a/linux-core/nv50_kms_wrapper.c
+++ /dev/null
@@ -1,1454 +0,0 @@
-/*
- * 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;
-}
-