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/*
* Copyright (c) 2006, 2012, Oracle and/or its affiliates. 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/*
* Copyright (c) 2012 Intel Corporation. All rights reserved.
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/conf.h>
#include <sys/kmem.h>
#include <sys/visual_io.h>
#include <sys/fbio.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/open.h>
#include <sys/modctl.h>
#include <sys/pci.h>
#include <sys/kd.h>
#include <sys/ddi_impldefs.h>
#include <sys/sunldi.h>
#include <sys/mkdev.h>
#include "drmP.h"
#include <sys/agpgart.h>
#include <sys/agp/agpdefs.h>
#include <sys/agp/agpmaster_io.h>
/**
* drm_sysfs_device_add - adds a class device to sysfs for a character driver
* @dev: DRM device to be added
* @head: DRM head in question
*
* Add a DRM device to the DRM's device model class. We use @dev's PCI device
* as the parent for the Linux device, and make sure it has a file containing
* the driver we're using (for userspace compatibility).
*/
int drm_sysfs_device_add(struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
gfxp_vgatext_softc_ptr_t gfxp;
int ret;
switch (minor->type) {
case DRM_MINOR_AGPMASTER:
ret = agpmaster_attach(dev->devinfo,
(agp_master_softc_t **)&minor->private,
dev->pdev->pci_cfg_acc_handle, minor->index);
if (ret != DDI_SUCCESS) {
DRM_ERROR("agpmaster_attach failed");
return (ret);
}
return (0);
case DRM_MINOR_VGATEXT:
/* Generic graphics initialization */
gfxp = gfxp_vgatext_softc_alloc();
ret = gfxp_vgatext_attach(dev->devinfo, DDI_ATTACH, gfxp);
if (ret != DDI_SUCCESS) {
DRM_ERROR("gfxp_vgatext_attach failed");
return (EFAULT);
}
minor->private = gfxp;
ret = ddi_create_minor_node(dev->devinfo,
minor->name, S_IFCHR, minor->index, DDI_NT_DISPLAY, NULL);
if (ret != DDI_SUCCESS) {
DRM_ERROR("ddi_create_minor_node failed");
return (EFAULT);
}
return (0);
case DRM_MINOR_LEGACY:
case DRM_MINOR_CONTROL:
case DRM_MINOR_RENDER:
ret = ddi_create_minor_node(dev->devinfo,
minor->name, S_IFCHR, minor->index, DDI_NT_DISPLAY_DRM, NULL);
if (ret != DDI_SUCCESS) {
DRM_ERROR("ddi_create_minor_node failed");
return (EFAULT);
}
return (0);
}
return (ENOTSUP);
}
/**
* drm_sysfs_device_remove - remove DRM device
* @dev: DRM device to remove
*
* This call unregisters and cleans up a class device that was created with a
* call to drm_sysfs_device_add()
*/
void drm_sysfs_device_remove(struct drm_minor *minor)
{
switch (minor->type) {
case DRM_MINOR_AGPMASTER:
if (minor->private) {
agpmaster_detach(
(agp_master_softc_t **)&minor->private);
minor->private = NULL;
}
break;
case DRM_MINOR_VGATEXT:
if (minor->private) {
(void) gfxp_vgatext_detach(minor->dev->devinfo,
DDI_DETACH, minor->private);
gfxp_vgatext_softc_free(minor->private);
minor->private = NULL;
}
/* LINTED */
case DRM_MINOR_LEGACY:
case DRM_MINOR_CONTROL:
case DRM_MINOR_RENDER:
ddi_remove_minor_node(minor->dev->devinfo, minor->name);
}
}
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