diff options
Diffstat (limited to 'linux-core/nv50_kms_wrapper.c')
| -rw-r--r-- | linux-core/nv50_kms_wrapper.c | 1454 |
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; -} - |