aboutsummaryrefslogtreecommitdiff
path: root/linux-core/nv50_connector.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core/nv50_connector.c')
-rw-r--r--linux-core/nv50_connector.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/linux-core/nv50_connector.c b/linux-core/nv50_connector.c
deleted file mode 100644
index 34706bae..00000000
--- a/linux-core/nv50_connector.c
+++ /dev/null
@@ -1,245 +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_connector.h"
-
-static struct nv50_output *nv50_connector_to_output(struct nv50_connector *connector, bool digital)
-{
- struct nv50_display *display = nv50_get_display(connector->dev);
- struct nv50_output *output = NULL;
- bool digital_possible = false;
- bool analog_possible = false;
-
- switch (connector->type) {
- case CONNECTOR_VGA:
- case CONNECTOR_TV:
- analog_possible = true;
- break;
- case CONNECTOR_DVI_I:
- analog_possible = true;
- digital_possible = true;
- break;
- case CONNECTOR_DVI_D:
- case CONNECTOR_LVDS:
- digital_possible = true;
- break;
- default:
- break;
- }
-
- /* Return early on bad situations. */
- if (!analog_possible && !digital_possible)
- return NULL;
-
- if (!analog_possible && !digital)
- return NULL;
-
- if (!digital_possible && digital)
- return NULL;
-
- list_for_each_entry(output, &display->outputs, item) {
- if (connector->bus != output->bus)
- continue;
- if (digital && output->type == OUTPUT_TMDS)
- return output;
- if (digital && output->type == OUTPUT_LVDS)
- return output;
- if (!digital && output->type == OUTPUT_DAC)
- return output;
- if (!digital && output->type == OUTPUT_TV)
- return output;
- }
-
- return NULL;
-}
-
-static int nv50_connector_hpd_detect(struct nv50_connector *connector)
-{
- struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
- bool present = 0;
- uint32_t reg = 0;
-
- /* Assume connected for the moment. */
- if (connector->type == CONNECTOR_LVDS) {
- NV50_DEBUG("LVDS is defaulting to connected for the moment.\n");
- return 1;
- }
-
- /* No i2c port, no idea what to do for hotplug. */
- if (connector->i2c_chan->index == 15) {
- DRM_ERROR("You have a non-LVDS SOR with no i2c port, please report\n");
- return -EINVAL;
- }
-
- if (connector->i2c_chan->index > 3) {
- DRM_ERROR("You have an unusual configuration, index is %d\n", connector->i2c_chan->index);
- DRM_ERROR("Please report.\n");
- return -EINVAL;
- }
-
- /* Check hotplug pins. */
- reg = NV_READ(NV50_PCONNECTOR_HOTPLUG_STATE);
- if (reg & (NV50_PCONNECTOR_HOTPLUG_STATE_PIN_CONNECTED_I2C0 << (4 * connector->i2c_chan->index)))
- present = 1;
-
- if (present)
- NV50_DEBUG("Hotplug detect returned positive for bus %d\n", connector->bus);
- else
- NV50_DEBUG("Hotplug detect returned negative for bus %d\n", connector->bus);
-
- return present;
-}
-
-static int nv50_connector_i2c_detect(struct nv50_connector *connector)
-{
- /* kindly borrrowed from the intel driver, hope it works. */
- uint8_t out_buf[] = { 0x0, 0x0};
- uint8_t buf[2];
- int ret;
- struct i2c_msg msgs[] = {
- {
- .addr = 0x50,
- .flags = 0,
- .len = 1,
- .buf = out_buf,
- },
- {
- .addr = 0x50,
- .flags = I2C_M_RD,
- .len = 1,
- .buf = buf,
- }
- };
-
- if (!connector->i2c_chan)
- return -EINVAL;
-
- ret = i2c_transfer(&connector->i2c_chan->adapter, msgs, 2);
- NV50_DEBUG("I2C detect returned %d\n", ret);
-
- if (ret == 2)
- return true;
-
- return false;
-}
-
-static int nv50_connector_destroy(struct nv50_connector *connector)
-{
- struct drm_device *dev = connector->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_display *display = nv50_get_display(dev);
-
- NV50_DEBUG("\n");
-
- if (!display || !connector)
- return -EINVAL;
-
- list_del(&connector->item);
-
- if (connector->i2c_chan)
- nv50_i2c_channel_destroy(connector->i2c_chan);
-
- if (dev_priv->free_connector)
- dev_priv->free_connector(connector);
-
- return 0;
-}
-
-int nv50_connector_create(struct drm_device *dev, int bus, int i2c_index, int type)
-{
- struct nv50_connector *connector = NULL;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_display *display = NULL;
-
- NV50_DEBUG("\n");
-
- /* This allows the public layer to do it's thing. */
- if (dev_priv->alloc_connector)
- connector = dev_priv->alloc_connector(dev);
-
- if (!connector)
- return -ENOMEM;
-
- connector->dev = dev;
-
- display = nv50_get_display(dev);
- if (!display)
- goto out;
-
- if (type == CONNECTOR_UNKNOWN)
- goto out;
-
- list_add_tail(&connector->item, &display->connectors);
-
- connector->bus = bus;
- connector->type = type;
-
- switch (type) {
- case CONNECTOR_VGA:
- DRM_INFO("Detected a VGA connector\n");
- break;
- case CONNECTOR_DVI_D:
- DRM_INFO("Detected a DVI-D connector\n");
- break;
- case CONNECTOR_DVI_I:
- DRM_INFO("Detected a DVI-I connector\n");
- break;
- case CONNECTOR_LVDS:
- DRM_INFO("Detected a LVDS connector\n");
- break;
- case CONNECTOR_TV:
- DRM_INFO("Detected a TV connector\n");
- break;
- default:
- DRM_ERROR("Unknown connector, this is not good.\n");
- break;
- }
-
- /* some reasonable defaults */
- if (type == CONNECTOR_DVI_D || type == CONNECTOR_DVI_I || type == CONNECTOR_LVDS)
- connector->requested_scaling_mode = SCALE_FULLSCREEN;
- else
- connector->requested_scaling_mode = SCALE_NON_GPU;
-
- connector->use_dithering = false;
-
- if (i2c_index < 0xf)
- connector->i2c_chan = nv50_i2c_channel_create(dev, i2c_index);
-
- /* set function pointers */
- connector->hpd_detect = nv50_connector_hpd_detect;
- connector->i2c_detect = nv50_connector_i2c_detect;
- connector->destroy = nv50_connector_destroy;
- connector->to_output = nv50_connector_to_output;
-
- return 0;
-
-out:
- if (dev_priv->free_connector)
- dev_priv->free_connector(connector);
-
- return -EINVAL;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 21:39:16 +0000