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Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * 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 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 HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Ben Skeggs
 */
#include "channv50.h"
#include "rootnv50.h"

#include <core/client.h>
#include <core/ramht.h>
#include <engine/dma.h>

#include <nvif/cl507d.h>
#include <nvif/event.h>
#include <nvif/unpack.h>


static void nv50_disp_mthd_list(struct nv50_disp *disp, int debug, u32 base, int c, const struct nv50_disp_mthd_list *list, int inst) { struct nvkm_subdev *subdev = &disp->base.engine.subdev; struct nvkm_device *device = subdev->device; int i; for (i = 0; list->data[i].mthd; i++) { if (list->data[i].addr) { u32 next = nvkm_rd32(device, list->data[i].addr + base + 0); u32 prev = nvkm_rd32(device, list->data[i].addr + base + c); u32 mthd = list->data[i].mthd + (list->mthd * inst); const char *name = list->data[i].name; char mods[16]; if (prev != next) snprintf(mods, sizeof(mods), "-> %08x", next); else snprintf(mods, sizeof(mods), "%13c", ' '); nvkm_printk_(subdev, debug, info, "\t%04x: %08x %s%s%s\n", mthd, prev, mods, name ? " // " : "", name ? name : ""); } } }

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void nv50_disp_chan_mthd(struct nv50_disp_chan *chan, int debug) { struct nv50_disp *disp = chan->root->disp; struct nvkm_subdev *subdev = &disp->base.engine.subdev; const struct nv50_disp_chan_mthd *mthd = chan->mthd; const struct nv50_disp_mthd_list *list; int i, j; if (debug > subdev->debug) return; for (i = 0; (list = mthd->data[i].mthd) != NULL; i++) { u32 base = chan->head * mthd->addr; for (j = 0; j < mthd->data[i].nr; j++, base += list->addr) { const char *cname = mthd->name; const char *sname = ""; char cname_[16], sname_[16]; if (mthd->addr) { snprintf(cname_, sizeof(cname_), "%s %d", mthd->name, chan->chid.user); cname = cname_; } if (mthd->data[i].nr > 1) { snprintf(sname_, sizeof(sname_), " - %s %d", mthd->data[i].name, j); sname = sname_; } nvkm_printk_(subdev, debug, info, "%s%s:\n", cname, sname); nv50_disp_mthd_list(disp, debug, base, mthd->prev, list, j); } } }

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static void nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) { struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); struct nvkm_device *device = disp->base.engine.subdev.device; nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000000 << index); nvkm_wr32(device, 0x610020, 0x00000001 << index); }

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static void nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) { struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); struct nvkm_device *device = disp->base.engine.subdev.device; nvkm_wr32(device, 0x610020, 0x00000001 << index); nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000001 << index); }

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void nv50_disp_chan_uevent_send(struct nv50_disp *disp, int chid) { struct nvif_notify_uevent_rep { } rep; nvkm_event_send(&disp->uevent, 1, chid, &rep, sizeof(rep)); }

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int nv50_disp_chan_uevent_ctor(struct nvkm_object *object, void *data, u32 size, struct nvkm_notify *notify) { struct nv50_disp_chan *chan = nv50_disp_chan(object); union { struct nvif_notify_uevent_req none; } *args = data; int ret = -ENOSYS; if (!(ret = nvif_unvers(ret, &data, &size, args->none))) { notify->size = sizeof(struct nvif_notify_uevent_rep); notify->types = 1; notify->index = chan->chid.user; return 0; } return ret; }

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const struct nvkm_event_func nv50_disp_chan_uevent = { .ctor = nv50_disp_chan_uevent_ctor, .init = nv50_disp_chan_uevent_init, .fini = nv50_disp_chan_uevent_fini, };
static int nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data) { struct nv50_disp_chan *chan = nv50_disp_chan(object); struct nv50_disp *disp = chan->root->disp; struct nvkm_device *device = disp->base.engine.subdev.device; *data = nvkm_rd32(device, 0x640000 + (chan->chid.user * 0x1000) + addr); return 0; }

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static int nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data) { struct nv50_disp_chan *chan = nv50_disp_chan(object); struct nv50_disp *disp = chan->root->disp; struct nvkm_device *device = disp->base.engine.subdev.device; nvkm_wr32(device, 0x640000 + (chan->chid.user * 0x1000) + addr, data); return 0; }

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static int nv50_disp_chan_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **pevent) { struct nv50_disp_chan *chan = nv50_disp_chan(object); struct nv50_disp *disp = chan->root->disp; switch (type) { case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT: *pevent = &disp->uevent; return 0; default: break; } return -EINVAL; }

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Total67100.00%3100.00%


static int nv50_disp_chan_map(struct nvkm_object *object, u64 *addr, u32 *size) { struct nv50_disp_chan *chan = nv50_disp_chan(object); struct nv50_disp *disp = chan->root->disp; struct nvkm_device *device = disp->base.engine.subdev.device; *addr = device->func->resource_addr(device, 0) + 0x640000 + (chan->chid.user * 0x1000); *size = 0x001000; return 0; }

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static int nv50_disp_chan_child_new(const struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { struct nv50_disp_chan *chan = nv50_disp_chan(oclass->parent); return chan->func->child_new(chan, oclass, data, size, pobject); }

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static int nv50_disp_chan_child_get(struct nvkm_object *object, int index, struct nvkm_oclass *oclass) { struct nv50_disp_chan *chan = nv50_disp_chan(object); if (chan->func->child_get) { int ret = chan->func->child_get(chan, index, oclass); if (ret == 0) oclass->ctor = nv50_disp_chan_child_new; return ret; } return -EINVAL; }

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static int nv50_disp_chan_fini(struct nvkm_object *object, bool suspend) { struct nv50_disp_chan *chan = nv50_disp_chan(object); chan->func->fini(chan); return 0; }

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static int nv50_disp_chan_init(struct nvkm_object *object) { struct nv50_disp_chan *chan = nv50_disp_chan(object); return chan->func->init(chan); }

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static void * nv50_disp_chan_dtor(struct nvkm_object *object) { struct nv50_disp_chan *chan = nv50_disp_chan(object); struct nv50_disp *disp = chan->root->disp; if (chan->chid.user >= 0) disp->chan[chan->chid.user] = NULL; return chan->func->dtor ? chan->func->dtor(chan) : chan; }

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static const struct nvkm_object_func nv50_disp_chan = { .dtor = nv50_disp_chan_dtor, .init = nv50_disp_chan_init, .fini = nv50_disp_chan_fini, .rd32 = nv50_disp_chan_rd32, .wr32 = nv50_disp_chan_wr32, .ntfy = nv50_disp_chan_ntfy, .map = nv50_disp_chan_map, .sclass = nv50_disp_chan_child_get, };
int nv50_disp_chan_ctor(const struct nv50_disp_chan_func *func, const struct nv50_disp_chan_mthd *mthd, struct nv50_disp_root *root, int ctrl, int user, int head, const struct nvkm_oclass *oclass, struct nv50_disp_chan *chan) { struct nv50_disp *disp = root->disp; nvkm_object_ctor(&nv50_disp_chan, oclass, &chan->object); chan->func = func; chan->mthd = mthd; chan->root = root; chan->chid.ctrl = ctrl; chan->chid.user = user; chan->head = head; if (disp->chan[chan->chid.user]) { chan->chid.user = -1; return -EBUSY; } disp->chan[chan->chid.user] = chan; return 0; }

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int nv50_disp_chan_new_(const struct nv50_disp_chan_func *func, const struct nv50_disp_chan_mthd *mthd, struct nv50_disp_root *root, int ctrl, int user, int head, const struct nvkm_oclass *oclass, struct nvkm_object **pobject) { struct nv50_disp_chan *chan; if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) return -ENOMEM; *pobject = &chan->object; return nv50_disp_chan_ctor(func, mthd, root, ctrl, user, head, oclass, chan); }

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Total98100.00%2100.00%


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Ben Skeggs171799.77%787.50%
Baoyou Xie40.23%112.50%
Total1721100.00%8100.00%
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