307 lines
8.6 KiB
C
307 lines
8.6 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 "channv50.h"
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#include "rootnv50.h"
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#include <core/client.h>
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#include <core/notify.h>
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#include <core/ramht.h>
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#include <engine/dma.h>
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#include <nvif/cl507d.h>
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#include <nvif/event.h>
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#include <nvif/unpack.h>
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static void
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nv50_disp_mthd_list(struct nv50_disp *disp, int debug, u32 base, int c,
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const struct nv50_disp_mthd_list *list, int inst)
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{
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struct nvkm_subdev *subdev = &disp->base.engine.subdev;
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struct nvkm_device *device = subdev->device;
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int i;
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for (i = 0; list->data[i].mthd; i++) {
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if (list->data[i].addr) {
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u32 next = nvkm_rd32(device, list->data[i].addr + base + 0);
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u32 prev = nvkm_rd32(device, list->data[i].addr + base + c);
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u32 mthd = list->data[i].mthd + (list->mthd * inst);
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const char *name = list->data[i].name;
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char mods[16];
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if (prev != next)
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snprintf(mods, sizeof(mods), "-> %08x", next);
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else
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snprintf(mods, sizeof(mods), "%13c", ' ');
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nvkm_printk_(subdev, debug, info,
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"\t%04x: %08x %s%s%s\n",
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mthd, prev, mods, name ? " // " : "",
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name ? name : "");
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}
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}
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}
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void
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nv50_disp_chan_mthd(struct nv50_disp_chan *chan, int debug)
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{
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struct nv50_disp *disp = chan->root->disp;
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struct nvkm_subdev *subdev = &disp->base.engine.subdev;
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const struct nv50_disp_chan_mthd *mthd = chan->mthd;
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const struct nv50_disp_mthd_list *list;
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int i, j;
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if (debug > subdev->debug)
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return;
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for (i = 0; (list = mthd->data[i].mthd) != NULL; i++) {
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u32 base = chan->head * mthd->addr;
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for (j = 0; j < mthd->data[i].nr; j++, base += list->addr) {
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const char *cname = mthd->name;
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const char *sname = "";
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char cname_[16], sname_[16];
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if (mthd->addr) {
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snprintf(cname_, sizeof(cname_), "%s %d",
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mthd->name, chan->chid.user);
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cname = cname_;
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}
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if (mthd->data[i].nr > 1) {
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snprintf(sname_, sizeof(sname_), " - %s %d",
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mthd->data[i].name, j);
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sname = sname_;
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}
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nvkm_printk_(subdev, debug, info, "%s%s:\n", cname, sname);
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nv50_disp_mthd_list(disp, debug, base, mthd->prev,
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list, j);
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}
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}
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}
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static void
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nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
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{
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struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
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struct nvkm_device *device = disp->base.engine.subdev.device;
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nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000000 << index);
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nvkm_wr32(device, 0x610020, 0x00000001 << index);
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}
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static void
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nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
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{
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struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
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struct nvkm_device *device = disp->base.engine.subdev.device;
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nvkm_wr32(device, 0x610020, 0x00000001 << index);
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nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000001 << index);
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}
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void
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nv50_disp_chan_uevent_send(struct nv50_disp *disp, int chid)
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{
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struct nvif_notify_uevent_rep {
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} rep;
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nvkm_event_send(&disp->uevent, 1, chid, &rep, sizeof(rep));
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}
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int
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nv50_disp_chan_uevent_ctor(struct nvkm_object *object, void *data, u32 size,
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struct nvkm_notify *notify)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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union {
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struct nvif_notify_uevent_req none;
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} *args = data;
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int ret = -ENOSYS;
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if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
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notify->size = sizeof(struct nvif_notify_uevent_rep);
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notify->types = 1;
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notify->index = chan->chid.user;
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return 0;
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}
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return ret;
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}
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const struct nvkm_event_func
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nv50_disp_chan_uevent = {
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.ctor = nv50_disp_chan_uevent_ctor,
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.init = nv50_disp_chan_uevent_init,
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.fini = nv50_disp_chan_uevent_fini,
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};
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static int
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nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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struct nv50_disp *disp = chan->root->disp;
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struct nvkm_device *device = disp->base.engine.subdev.device;
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*data = nvkm_rd32(device, 0x640000 + (chan->chid.user * 0x1000) + addr);
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return 0;
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}
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static int
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nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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struct nv50_disp *disp = chan->root->disp;
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struct nvkm_device *device = disp->base.engine.subdev.device;
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nvkm_wr32(device, 0x640000 + (chan->chid.user * 0x1000) + addr, data);
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return 0;
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}
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static int
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nv50_disp_chan_ntfy(struct nvkm_object *object, u32 type,
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struct nvkm_event **pevent)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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struct nv50_disp *disp = chan->root->disp;
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switch (type) {
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case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT:
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*pevent = &disp->uevent;
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return 0;
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default:
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break;
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}
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return -EINVAL;
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}
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static int
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nv50_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc,
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enum nvkm_object_map *type, u64 *addr, u64 *size)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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struct nv50_disp *disp = chan->root->disp;
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struct nvkm_device *device = disp->base.engine.subdev.device;
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*type = NVKM_OBJECT_MAP_IO;
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*addr = device->func->resource_addr(device, 0) +
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0x640000 + (chan->chid.user * 0x1000);
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*size = 0x001000;
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return 0;
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}
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static int
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nv50_disp_chan_child_new(const struct nvkm_oclass *oclass,
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void *data, u32 size, struct nvkm_object **pobject)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(oclass->parent);
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return chan->func->child_new(chan, oclass, data, size, pobject);
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}
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static int
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nv50_disp_chan_child_get(struct nvkm_object *object, int index,
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struct nvkm_oclass *oclass)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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if (chan->func->child_get) {
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int ret = chan->func->child_get(chan, index, oclass);
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if (ret == 0)
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oclass->ctor = nv50_disp_chan_child_new;
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return ret;
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}
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return -EINVAL;
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}
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static int
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nv50_disp_chan_fini(struct nvkm_object *object, bool suspend)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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chan->func->fini(chan);
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return 0;
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}
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static int
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nv50_disp_chan_init(struct nvkm_object *object)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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return chan->func->init(chan);
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}
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static void *
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nv50_disp_chan_dtor(struct nvkm_object *object)
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{
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struct nv50_disp_chan *chan = nv50_disp_chan(object);
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struct nv50_disp *disp = chan->root->disp;
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if (chan->chid.user >= 0)
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disp->chan[chan->chid.user] = NULL;
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return chan->func->dtor ? chan->func->dtor(chan) : chan;
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}
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static const struct nvkm_object_func
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nv50_disp_chan = {
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.dtor = nv50_disp_chan_dtor,
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.init = nv50_disp_chan_init,
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.fini = nv50_disp_chan_fini,
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.rd32 = nv50_disp_chan_rd32,
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.wr32 = nv50_disp_chan_wr32,
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.ntfy = nv50_disp_chan_ntfy,
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.map = nv50_disp_chan_map,
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.sclass = nv50_disp_chan_child_get,
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};
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int
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nv50_disp_chan_ctor(const struct nv50_disp_chan_func *func,
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const struct nv50_disp_chan_mthd *mthd,
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struct nv50_disp_root *root, int ctrl, int user, int head,
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const struct nvkm_oclass *oclass,
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struct nv50_disp_chan *chan)
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{
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struct nv50_disp *disp = root->disp;
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nvkm_object_ctor(&nv50_disp_chan, oclass, &chan->object);
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chan->func = func;
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chan->mthd = mthd;
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chan->root = root;
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chan->chid.ctrl = ctrl;
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chan->chid.user = user;
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chan->head = head;
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if (disp->chan[chan->chid.user]) {
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chan->chid.user = -1;
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return -EBUSY;
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}
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disp->chan[chan->chid.user] = chan;
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return 0;
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}
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int
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nv50_disp_chan_new_(const struct nv50_disp_chan_func *func,
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const struct nv50_disp_chan_mthd *mthd,
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struct nv50_disp_root *root, int ctrl, int user, int head,
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const struct nvkm_oclass *oclass,
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struct nvkm_object **pobject)
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{
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struct nv50_disp_chan *chan;
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if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
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return -ENOMEM;
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*pobject = &chan->object;
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return nv50_disp_chan_ctor(func, mthd, root, ctrl, user,
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head, oclass, chan);
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}
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