/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "drmP.h" #include #include #include /** * 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, 0); 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, 0); 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; } /* FALLTHROUGH */ /* LINTED */ case DRM_MINOR_LEGACY: case DRM_MINOR_CONTROL: case DRM_MINOR_RENDER: ddi_remove_minor_node(minor->dev->devinfo, minor->name); } }