From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- .../gpu/drm/nouveau/nvkm/engine/disp/channv50.c | 301 +++++++++++++++++++++ 1 file changed, 301 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c new file mode 100644 index 000000000..01803c067 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c @@ -0,0 +1,301 @@ +/* + * 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 +#include +#include + +#include +#include +#include + +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 : ""); + } + } +} + +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); + 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); + } + } +} + +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); +} + +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); +} + +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)); +} + +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; + + if (nvif_unvers(args->none)) { + notify->size = sizeof(struct nvif_notify_uevent_rep); + notify->types = 1; + notify->index = chan->chid; + return 0; + } + + return ret; +} + +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, +}; + +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 * 0x1000) + addr); + return 0; +} + +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 * 0x1000) + addr, data); + return 0; +} + +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; +} + +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 * 0x1000); + *size = 0x001000; + return 0; +} + +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); +} + +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; +} + +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; +} + +static int +nv50_disp_chan_init(struct nvkm_object *object) +{ + struct nv50_disp_chan *chan = nv50_disp_chan(object); + return chan->func->init(chan); +} + +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 >= 0) + disp->chan[chan->chid] = NULL; + return chan->func->dtor ? chan->func->dtor(chan) : chan; +} + +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 chid, 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 = chid; + chan->head = head; + + if (disp->chan[chan->chid]) { + chan->chid = -1; + return -EBUSY; + } + disp->chan[chan->chid] = chan; + return 0; +} + +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 chid, 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, chid, head, oclass, chan); +} -- cgit v1.2.3-54-g00ecf