116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <core/object.h>
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#include <core/subdev.h>
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#include <core/device.h>
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#include <core/option.h>
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void
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nouveau_subdev_reset(struct nouveau_object *subdev)
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{
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nv_trace(subdev, "resetting...\n");
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nv_ofuncs(subdev)->fini(subdev, false);
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nv_debug(subdev, "reset\n");
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}
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int
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nouveau_subdev_init(struct nouveau_subdev *subdev)
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{
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int ret = nouveau_object_init(&subdev->base);
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if (ret)
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return ret;
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nouveau_subdev_reset(&subdev->base);
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return 0;
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}
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int
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_nouveau_subdev_init(struct nouveau_object *object)
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{
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return nouveau_subdev_init(nv_subdev(object));
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}
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int
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nouveau_subdev_fini(struct nouveau_subdev *subdev, bool suspend)
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{
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if (subdev->unit) {
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nv_mask(subdev, 0x000200, subdev->unit, 0x00000000);
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nv_mask(subdev, 0x000200, subdev->unit, subdev->unit);
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}
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return nouveau_object_fini(&subdev->base, suspend);
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}
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int
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_nouveau_subdev_fini(struct nouveau_object *object, bool suspend)
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{
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return nouveau_subdev_fini(nv_subdev(object), suspend);
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}
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void
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nouveau_subdev_destroy(struct nouveau_subdev *subdev)
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{
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int subidx = nv_hclass(subdev) & 0xff;
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nv_device(subdev)->subdev[subidx] = NULL;
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nouveau_object_destroy(&subdev->base);
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}
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void
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_nouveau_subdev_dtor(struct nouveau_object *object)
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{
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nouveau_subdev_destroy(nv_subdev(object));
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}
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int
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nouveau_subdev_create_(struct nouveau_object *parent,
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struct nouveau_object *engine,
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struct nouveau_oclass *oclass, u32 pclass,
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const char *subname, const char *sysname,
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int size, void **pobject)
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{
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struct nouveau_subdev *subdev;
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int ret;
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ret = nouveau_object_create_(parent, engine, oclass, pclass |
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NV_SUBDEV_CLASS, size, pobject);
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subdev = *pobject;
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if (ret)
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return ret;
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__mutex_init(&subdev->mutex, subname, &oclass->lock_class_key);
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subdev->name = subname;
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if (parent) {
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struct nouveau_device *device = nv_device(parent);
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int subidx = nv_hclass(subdev) & 0xff;
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subdev->debug = nouveau_dbgopt(device->dbgopt, subname);
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subdev->mmio = nv_subdev(device)->mmio;
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device->subdev[subidx] = *pobject;
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}
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return 0;
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}
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