diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c | 2019 |
1 files changed, 2019 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c new file mode 100644 index 000000000000..84ade810e27c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c @@ -0,0 +1,2019 @@ +/* + * 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 "nv50.h" +#include "outp.h" +#include "outpdp.h" + +#include <core/client.h> +#include <core/device.h> +#include <core/engctx.h> +#include <core/enum.h> +#include <core/handle.h> +#include <core/ramht.h> +#include <engine/dmaobj.h> +#include <subdev/bios.h> +#include <subdev/bios/dcb.h> +#include <subdev/bios/disp.h> +#include <subdev/bios/init.h> +#include <subdev/bios/pll.h> +#include <subdev/devinit.h> +#include <subdev/fb.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/event.h> +#include <nvif/unpack.h> + +/******************************************************************************* + * EVO channel base class + ******************************************************************************/ + +static int +nv50_disp_chan_create_(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, int head, + int length, void **pobject) +{ + const struct nv50_disp_chan_impl *impl = (void *)oclass->ofuncs; + struct nv50_disp_base *base = (void *)parent; + struct nv50_disp_chan *chan; + int chid = impl->chid + head; + int ret; + + if (base->chan & (1 << chid)) + return -EBUSY; + base->chan |= (1 << chid); + + ret = nvkm_namedb_create_(parent, engine, oclass, 0, NULL, + (1ULL << NVDEV_ENGINE_DMAOBJ), + length, pobject); + chan = *pobject; + if (ret) + return ret; + chan->chid = chid; + + nv_parent(chan)->object_attach = impl->attach; + nv_parent(chan)->object_detach = impl->detach; + return 0; +} + +static void +nv50_disp_chan_destroy(struct nv50_disp_chan *chan) +{ + struct nv50_disp_base *base = (void *)nv_object(chan)->parent; + base->chan &= ~(1 << chan->chid); + nvkm_namedb_destroy(&chan->base); +} + +static void +nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000000 << index); + nv_wr32(priv, 0x610020, 0x00000001 << index); +} + +static void +nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) +{ + struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent); + nv_wr32(priv, 0x610020, 0x00000001 << index); + nv_mask(priv, 0x610028, 0x00000001 << index, 0x00000001 << index); +} + +void +nv50_disp_chan_uevent_send(struct nv50_disp_priv *priv, int chid) +{ + struct nvif_notify_uevent_rep { + } rep; + + nvkm_event_send(&priv->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_dmac *dmac = (void *)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 = dmac->base.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_ntfy(struct nvkm_object *object, u32 type, + struct nvkm_event **pevent) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + switch (type) { + case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT: + *pevent = &priv->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 = (void *)object; + *addr = nv_device_resource_start(nv_device(object), 0) + + 0x640000 + (chan->chid * 0x1000); + *size = 0x001000; + return 0; +} + +u32 +nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_chan *chan = (void *)object; + return nv_rd32(priv, 0x640000 + (chan->chid * 0x1000) + addr); +} + +void +nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_chan *chan = (void *)object; + nv_wr32(priv, 0x640000 + (chan->chid * 0x1000) + addr, data); +} + +/******************************************************************************* + * EVO DMA channel base class + ******************************************************************************/ + +static int +nv50_disp_dmac_object_attach(struct nvkm_object *parent, + struct nvkm_object *object, u32 name) +{ + struct nv50_disp_base *base = (void *)parent->parent; + struct nv50_disp_chan *chan = (void *)parent; + u32 addr = nv_gpuobj(object)->node->offset; + u32 chid = chan->chid; + u32 data = (chid << 28) | (addr << 10) | chid; + return nvkm_ramht_insert(base->ramht, chid, name, data); +} + +static void +nv50_disp_dmac_object_detach(struct nvkm_object *parent, int cookie) +{ + struct nv50_disp_base *base = (void *)parent->parent; + nvkm_ramht_remove(base->ramht, cookie); +} + +static int +nv50_disp_dmac_create_(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, u32 pushbuf, int head, + int length, void **pobject) +{ + struct nv50_disp_dmac *dmac; + int ret; + + ret = nv50_disp_chan_create_(parent, engine, oclass, head, + length, pobject); + dmac = *pobject; + if (ret) + return ret; + + dmac->pushdma = (void *)nvkm_handle_ref(parent, pushbuf); + if (!dmac->pushdma) + return -ENOENT; + + switch (nv_mclass(dmac->pushdma)) { + case 0x0002: + case 0x003d: + if (dmac->pushdma->limit - dmac->pushdma->start != 0xfff) + return -EINVAL; + + switch (dmac->pushdma->target) { + case NV_MEM_TARGET_VRAM: + dmac->push = 0x00000000 | dmac->pushdma->start >> 8; + break; + case NV_MEM_TARGET_PCI_NOSNOOP: + dmac->push = 0x00000003 | dmac->pushdma->start >> 8; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + return 0; +} + +void +nv50_disp_dmac_dtor(struct nvkm_object *object) +{ + struct nv50_disp_dmac *dmac = (void *)object; + nvkm_object_ref(NULL, (struct nvkm_object **)&dmac->pushdma); + nv50_disp_chan_destroy(&dmac->base); +} + +static int +nv50_disp_dmac_init(struct nvkm_object *object) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_dmac *dmac = (void *)object; + int chid = dmac->base.chid; + int ret; + + ret = nv50_disp_chan_init(&dmac->base); + if (ret) + return ret; + + /* enable error reporting */ + nv_mask(priv, 0x610028, 0x00010000 << chid, 0x00010000 << chid); + + /* initialise channel for dma command submission */ + nv_wr32(priv, 0x610204 + (chid * 0x0010), dmac->push); + nv_wr32(priv, 0x610208 + (chid * 0x0010), 0x00010000); + nv_wr32(priv, 0x61020c + (chid * 0x0010), chid); + nv_mask(priv, 0x610200 + (chid * 0x0010), 0x00000010, 0x00000010); + nv_wr32(priv, 0x640000 + (chid * 0x1000), 0x00000000); + nv_wr32(priv, 0x610200 + (chid * 0x0010), 0x00000013); + + /* wait for it to go inactive */ + if (!nv_wait(priv, 0x610200 + (chid * 0x10), 0x80000000, 0x00000000)) { + nv_error(dmac, "init timeout, 0x%08x\n", + nv_rd32(priv, 0x610200 + (chid * 0x10))); + return -EBUSY; + } + + return 0; +} + +static int +nv50_disp_dmac_fini(struct nvkm_object *object, bool suspend) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_dmac *dmac = (void *)object; + int chid = dmac->base.chid; + + /* deactivate channel */ + nv_mask(priv, 0x610200 + (chid * 0x0010), 0x00001010, 0x00001000); + nv_mask(priv, 0x610200 + (chid * 0x0010), 0x00000003, 0x00000000); + if (!nv_wait(priv, 0x610200 + (chid * 0x10), 0x001e0000, 0x00000000)) { + nv_error(dmac, "fini timeout, 0x%08x\n", + nv_rd32(priv, 0x610200 + (chid * 0x10))); + if (suspend) + return -EBUSY; + } + + /* disable error reporting and completion notifications */ + nv_mask(priv, 0x610028, 0x00010001 << chid, 0x00000000 << chid); + + return nv50_disp_chan_fini(&dmac->base, suspend); +} + +/******************************************************************************* + * EVO master channel object + ******************************************************************************/ + +static void +nv50_disp_mthd_list(struct nv50_disp_priv *priv, int debug, u32 base, int c, + const struct nv50_disp_mthd_list *list, int inst) +{ + struct nvkm_object *disp = nv_object(priv); + int i; + + for (i = 0; list->data[i].mthd; i++) { + if (list->data[i].addr) { + u32 next = nv_rd32(priv, list->data[i].addr + base + 0); + u32 prev = nv_rd32(priv, 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), "-> 0x%08x", next); + else + snprintf(mods, sizeof(mods), "%13c", ' '); + + nv_printk_(disp, debug, "\t0x%04x: 0x%08x %s%s%s\n", + mthd, prev, mods, name ? " // " : "", + name ? name : ""); + } + } +} + +void +nv50_disp_mthd_chan(struct nv50_disp_priv *priv, int debug, int head, + const struct nv50_disp_mthd_chan *chan) +{ + struct nvkm_object *disp = nv_object(priv); + const struct nv50_disp_impl *impl = (void *)disp->oclass; + const struct nv50_disp_mthd_list *list; + int i, j; + + if (debug > nv_subdev(priv)->debug) + return; + + for (i = 0; (list = chan->data[i].mthd) != NULL; i++) { + u32 base = head * chan->addr; + for (j = 0; j < chan->data[i].nr; j++, base += list->addr) { + const char *cname = chan->name; + const char *sname = ""; + char cname_[16], sname_[16]; + + if (chan->addr) { + snprintf(cname_, sizeof(cname_), "%s %d", + chan->name, head); + cname = cname_; + } + + if (chan->data[i].nr > 1) { + snprintf(sname_, sizeof(sname_), " - %s %d", + chan->data[i].name, j); + sname = sname_; + } + + nv_printk_(disp, debug, "%s%s:\n", cname, sname); + nv50_disp_mthd_list(priv, debug, base, impl->mthd.prev, + list, j); + } + } +} + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_base = { + .mthd = 0x0000, + .addr = 0x000000, + .data = { + { 0x0080, 0x000000 }, + { 0x0084, 0x610bb8 }, + { 0x0088, 0x610b9c }, + { 0x008c, 0x000000 }, + {} + } +}; + +static const struct nv50_disp_mthd_list +nv50_disp_core_mthd_dac = { + .mthd = 0x0080, + .addr = 0x000008, + .data = { + { 0x0400, 0x610b58 }, + { 0x0404, 0x610bdc }, + { 0x0420, 0x610828 }, + {} + } +}; + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_sor = { + .mthd = 0x0040, + .addr = 0x000008, + .data = { + { 0x0600, 0x610b70 }, + {} + } +}; + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_pior = { + .mthd = 0x0040, + .addr = 0x000008, + .data = { + { 0x0700, 0x610b80 }, + {} + } +}; + +static const struct nv50_disp_mthd_list +nv50_disp_core_mthd_head = { + .mthd = 0x0400, + .addr = 0x000540, + .data = { + { 0x0800, 0x610ad8 }, + { 0x0804, 0x610ad0 }, + { 0x0808, 0x610a48 }, + { 0x080c, 0x610a78 }, + { 0x0810, 0x610ac0 }, + { 0x0814, 0x610af8 }, + { 0x0818, 0x610b00 }, + { 0x081c, 0x610ae8 }, + { 0x0820, 0x610af0 }, + { 0x0824, 0x610b08 }, + { 0x0828, 0x610b10 }, + { 0x082c, 0x610a68 }, + { 0x0830, 0x610a60 }, + { 0x0834, 0x000000 }, + { 0x0838, 0x610a40 }, + { 0x0840, 0x610a24 }, + { 0x0844, 0x610a2c }, + { 0x0848, 0x610aa8 }, + { 0x084c, 0x610ab0 }, + { 0x0860, 0x610a84 }, + { 0x0864, 0x610a90 }, + { 0x0868, 0x610b18 }, + { 0x086c, 0x610b20 }, + { 0x0870, 0x610ac8 }, + { 0x0874, 0x610a38 }, + { 0x0880, 0x610a58 }, + { 0x0884, 0x610a9c }, + { 0x08a0, 0x610a70 }, + { 0x08a4, 0x610a50 }, + { 0x08a8, 0x610ae0 }, + { 0x08c0, 0x610b28 }, + { 0x08c4, 0x610b30 }, + { 0x08c8, 0x610b40 }, + { 0x08d4, 0x610b38 }, + { 0x08d8, 0x610b48 }, + { 0x08dc, 0x610b50 }, + { 0x0900, 0x610a18 }, + { 0x0904, 0x610ab8 }, + {} + } +}; + +static const struct nv50_disp_mthd_chan +nv50_disp_core_mthd_chan = { + .name = "Core", + .addr = 0x000000, + .data = { + { "Global", 1, &nv50_disp_core_mthd_base }, + { "DAC", 3, &nv50_disp_core_mthd_dac }, + { "SOR", 2, &nv50_disp_core_mthd_sor }, + { "PIOR", 3, &nv50_disp_core_mthd_pior }, + { "HEAD", 2, &nv50_disp_core_mthd_head }, + {} + } +}; + +int +nv50_disp_core_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_core_channel_dma_v0 v0; + } *args = data; + struct nv50_disp_dmac *mast; + int ret; + + nv_ioctl(parent, "create disp core channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create disp core channel dma vers %d " + "pushbuf %08x\n", + args->v0.version, args->v0.pushbuf); + } else + return ret; + + ret = nv50_disp_dmac_create_(parent, engine, oclass, args->v0.pushbuf, + 0, sizeof(*mast), (void **)&mast); + *pobject = nv_object(mast); + if (ret) + return ret; + + return 0; +} + +static int +nv50_disp_core_init(struct nvkm_object *object) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_dmac *mast = (void *)object; + int ret; + + ret = nv50_disp_chan_init(&mast->base); + if (ret) + return ret; + + /* enable error reporting */ + nv_mask(priv, 0x610028, 0x00010000, 0x00010000); + + /* attempt to unstick channel from some unknown state */ + if ((nv_rd32(priv, 0x610200) & 0x009f0000) == 0x00020000) + nv_mask(priv, 0x610200, 0x00800000, 0x00800000); + if ((nv_rd32(priv, 0x610200) & 0x003f0000) == 0x00030000) + nv_mask(priv, 0x610200, 0x00600000, 0x00600000); + + /* initialise channel for dma command submission */ + nv_wr32(priv, 0x610204, mast->push); + nv_wr32(priv, 0x610208, 0x00010000); + nv_wr32(priv, 0x61020c, 0x00000000); + nv_mask(priv, 0x610200, 0x00000010, 0x00000010); + nv_wr32(priv, 0x640000, 0x00000000); + nv_wr32(priv, 0x610200, 0x01000013); + + /* wait for it to go inactive */ + if (!nv_wait(priv, 0x610200, 0x80000000, 0x00000000)) { + nv_error(mast, "init: 0x%08x\n", nv_rd32(priv, 0x610200)); + return -EBUSY; + } + + return 0; +} + +static int +nv50_disp_core_fini(struct nvkm_object *object, bool suspend) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_dmac *mast = (void *)object; + + /* deactivate channel */ + nv_mask(priv, 0x610200, 0x00000010, 0x00000000); + nv_mask(priv, 0x610200, 0x00000003, 0x00000000); + if (!nv_wait(priv, 0x610200, 0x001e0000, 0x00000000)) { + nv_error(mast, "fini: 0x%08x\n", nv_rd32(priv, 0x610200)); + if (suspend) + return -EBUSY; + } + + /* disable error reporting and completion notifications */ + nv_mask(priv, 0x610028, 0x00010001, 0x00000000); + + return nv50_disp_chan_fini(&mast->base, suspend); +} + +struct nv50_disp_chan_impl +nv50_disp_core_ofuncs = { + .base.ctor = nv50_disp_core_ctor, + .base.dtor = nv50_disp_dmac_dtor, + .base.init = nv50_disp_core_init, + .base.fini = nv50_disp_core_fini, + .base.map = nv50_disp_chan_map, + .base.ntfy = nv50_disp_chan_ntfy, + .base.rd32 = nv50_disp_chan_rd32, + .base.wr32 = nv50_disp_chan_wr32, + .chid = 0, + .attach = nv50_disp_dmac_object_attach, + .detach = nv50_disp_dmac_object_detach, +}; + +/******************************************************************************* + * EVO sync channel objects + ******************************************************************************/ + +static const struct nv50_disp_mthd_list +nv50_disp_base_mthd_base = { + .mthd = 0x0000, + .addr = 0x000000, + .data = { + { 0x0080, 0x000000 }, + { 0x0084, 0x0008c4 }, + { 0x0088, 0x0008d0 }, + { 0x008c, 0x0008dc }, + { 0x0090, 0x0008e4 }, + { 0x0094, 0x610884 }, + { 0x00a0, 0x6108a0 }, + { 0x00a4, 0x610878 }, + { 0x00c0, 0x61086c }, + { 0x00e0, 0x610858 }, + { 0x00e4, 0x610860 }, + { 0x00e8, 0x6108ac }, + { 0x00ec, 0x6108b4 }, + { 0x0100, 0x610894 }, + { 0x0110, 0x6108bc }, + { 0x0114, 0x61088c }, + {} + } +}; + +const struct nv50_disp_mthd_list +nv50_disp_base_mthd_image = { + .mthd = 0x0400, + .addr = 0x000000, + .data = { + { 0x0800, 0x6108f0 }, + { 0x0804, 0x6108fc }, + { 0x0808, 0x61090c }, + { 0x080c, 0x610914 }, + { 0x0810, 0x610904 }, + {} + } +}; + +static const struct nv50_disp_mthd_chan +nv50_disp_base_mthd_chan = { + .name = "Base", + .addr = 0x000540, + .data = { + { "Global", 1, &nv50_disp_base_mthd_base }, + { "Image", 2, &nv50_disp_base_mthd_image }, + {} + } +}; + +int +nv50_disp_base_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_base_channel_dma_v0 v0; + } *args = data; + struct nv50_disp_priv *priv = (void *)engine; + struct nv50_disp_dmac *dmac; + int ret; + + nv_ioctl(parent, "create disp base channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create disp base channel dma vers %d " + "pushbuf %08x head %d\n", + args->v0.version, args->v0.pushbuf, args->v0.head); + if (args->v0.head > priv->head.nr) + return -EINVAL; + } else + return ret; + + ret = nv50_disp_dmac_create_(parent, engine, oclass, args->v0.pushbuf, + args->v0.head, sizeof(*dmac), + (void **)&dmac); + *pobject = nv_object(dmac); + if (ret) + return ret; + + return 0; +} + +struct nv50_disp_chan_impl +nv50_disp_base_ofuncs = { + .base.ctor = nv50_disp_base_ctor, + .base.dtor = nv50_disp_dmac_dtor, + .base.init = nv50_disp_dmac_init, + .base.fini = nv50_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, + .base.map = nv50_disp_chan_map, + .base.rd32 = nv50_disp_chan_rd32, + .base.wr32 = nv50_disp_chan_wr32, + .chid = 1, + .attach = nv50_disp_dmac_object_attach, + .detach = nv50_disp_dmac_object_detach, +}; + +/******************************************************************************* + * EVO overlay channel objects + ******************************************************************************/ + +const struct nv50_disp_mthd_list +nv50_disp_ovly_mthd_base = { + .mthd = 0x0000, + .addr = 0x000000, + .data = { + { 0x0080, 0x000000 }, + { 0x0084, 0x0009a0 }, + { 0x0088, 0x0009c0 }, + { 0x008c, 0x0009c8 }, + { 0x0090, 0x6109b4 }, + { 0x0094, 0x610970 }, + { 0x00a0, 0x610998 }, + { 0x00a4, 0x610964 }, + { 0x00c0, 0x610958 }, + { 0x00e0, 0x6109a8 }, + { 0x00e4, 0x6109d0 }, + { 0x00e8, 0x6109d8 }, + { 0x0100, 0x61094c }, + { 0x0104, 0x610984 }, + { 0x0108, 0x61098c }, + { 0x0800, 0x6109f8 }, + { 0x0808, 0x610a08 }, + { 0x080c, 0x610a10 }, + { 0x0810, 0x610a00 }, + {} + } +}; + +static const struct nv50_disp_mthd_chan +nv50_disp_ovly_mthd_chan = { + .name = "Overlay", + .addr = 0x000540, + .data = { + { "Global", 1, &nv50_disp_ovly_mthd_base }, + {} + } +}; + +int +nv50_disp_ovly_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_overlay_channel_dma_v0 v0; + } *args = data; + struct nv50_disp_priv *priv = (void *)engine; + struct nv50_disp_dmac *dmac; + int ret; + + nv_ioctl(parent, "create disp overlay channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create disp overlay channel dma vers %d " + "pushbuf %08x head %d\n", + args->v0.version, args->v0.pushbuf, args->v0.head); + if (args->v0.head > priv->head.nr) + return -EINVAL; + } else + return ret; + + ret = nv50_disp_dmac_create_(parent, engine, oclass, args->v0.pushbuf, + args->v0.head, sizeof(*dmac), + (void **)&dmac); + *pobject = nv_object(dmac); + if (ret) + return ret; + + return 0; +} + +struct nv50_disp_chan_impl +nv50_disp_ovly_ofuncs = { + .base.ctor = nv50_disp_ovly_ctor, + .base.dtor = nv50_disp_dmac_dtor, + .base.init = nv50_disp_dmac_init, + .base.fini = nv50_disp_dmac_fini, + .base.ntfy = nv50_disp_chan_ntfy, + .base.map = nv50_disp_chan_map, + .base.rd32 = nv50_disp_chan_rd32, + .base.wr32 = nv50_disp_chan_wr32, + .chid = 3, + .attach = nv50_disp_dmac_object_attach, + .detach = nv50_disp_dmac_object_detach, +}; + +/******************************************************************************* + * EVO PIO channel base class + ******************************************************************************/ + +static int +nv50_disp_pioc_create_(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, int head, + int length, void **pobject) +{ + return nv50_disp_chan_create_(parent, engine, oclass, head, + length, pobject); +} + +void +nv50_disp_pioc_dtor(struct nvkm_object *object) +{ + struct nv50_disp_pioc *pioc = (void *)object; + nv50_disp_chan_destroy(&pioc->base); +} + +static int +nv50_disp_pioc_init(struct nvkm_object *object) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_pioc *pioc = (void *)object; + int chid = pioc->base.chid; + int ret; + + ret = nv50_disp_chan_init(&pioc->base); + if (ret) + return ret; + + nv_wr32(priv, 0x610200 + (chid * 0x10), 0x00002000); + if (!nv_wait(priv, 0x610200 + (chid * 0x10), 0x00000000, 0x00000000)) { + nv_error(pioc, "timeout0: 0x%08x\n", + nv_rd32(priv, 0x610200 + (chid * 0x10))); + return -EBUSY; + } + + nv_wr32(priv, 0x610200 + (chid * 0x10), 0x00000001); + if (!nv_wait(priv, 0x610200 + (chid * 0x10), 0x00030000, 0x00010000)) { + nv_error(pioc, "timeout1: 0x%08x\n", + nv_rd32(priv, 0x610200 + (chid * 0x10))); + return -EBUSY; + } + + return 0; +} + +static int +nv50_disp_pioc_fini(struct nvkm_object *object, bool suspend) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_pioc *pioc = (void *)object; + int chid = pioc->base.chid; + + nv_mask(priv, 0x610200 + (chid * 0x10), 0x00000001, 0x00000000); + if (!nv_wait(priv, 0x610200 + (chid * 0x10), 0x00030000, 0x00000000)) { + nv_error(pioc, "timeout: 0x%08x\n", + nv_rd32(priv, 0x610200 + (chid * 0x10))); + if (suspend) + return -EBUSY; + } + + return nv50_disp_chan_fini(&pioc->base, suspend); +} + +/******************************************************************************* + * EVO immediate overlay channel objects + ******************************************************************************/ + +int +nv50_disp_oimm_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_overlay_v0 v0; + } *args = data; + struct nv50_disp_priv *priv = (void *)engine; + struct nv50_disp_pioc *pioc; + int ret; + + nv_ioctl(parent, "create disp overlay size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create disp overlay vers %d head %d\n", + args->v0.version, args->v0.head); + if (args->v0.head > priv->head.nr) + return -EINVAL; + } else + return ret; + + ret = nv50_disp_pioc_create_(parent, engine, oclass, args->v0.head, + sizeof(*pioc), (void **)&pioc); + *pobject = nv_object(pioc); + if (ret) + return ret; + + return 0; +} + +struct nv50_disp_chan_impl +nv50_disp_oimm_ofuncs = { + .base.ctor = nv50_disp_oimm_ctor, + .base.dtor = nv50_disp_pioc_dtor, + .base.init = nv50_disp_pioc_init, + .base.fini = nv50_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, + .base.map = nv50_disp_chan_map, + .base.rd32 = nv50_disp_chan_rd32, + .base.wr32 = nv50_disp_chan_wr32, + .chid = 5, +}; + +/******************************************************************************* + * EVO cursor channel objects + ******************************************************************************/ + +int +nv50_disp_curs_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_cursor_v0 v0; + } *args = data; + struct nv50_disp_priv *priv = (void *)engine; + struct nv50_disp_pioc *pioc; + int ret; + + nv_ioctl(parent, "create disp cursor size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create disp cursor vers %d head %d\n", + args->v0.version, args->v0.head); + if (args->v0.head > priv->head.nr) + return -EINVAL; + } else + return ret; + + ret = nv50_disp_pioc_create_(parent, engine, oclass, args->v0.head, + sizeof(*pioc), (void **)&pioc); + *pobject = nv_object(pioc); + if (ret) + return ret; + + return 0; +} + +struct nv50_disp_chan_impl +nv50_disp_curs_ofuncs = { + .base.ctor = nv50_disp_curs_ctor, + .base.dtor = nv50_disp_pioc_dtor, + .base.init = nv50_disp_pioc_init, + .base.fini = nv50_disp_pioc_fini, + .base.ntfy = nv50_disp_chan_ntfy, + .base.map = nv50_disp_chan_map, + .base.rd32 = nv50_disp_chan_rd32, + .base.wr32 = nv50_disp_chan_wr32, + .chid = 7, +}; + +/******************************************************************************* + * Base display object + ******************************************************************************/ + +int +nv50_disp_main_scanoutpos(NV50_DISP_MTHD_V0) +{ + const u32 blanke = nv_rd32(priv, 0x610aec + (head * 0x540)); + const u32 blanks = nv_rd32(priv, 0x610af4 + (head * 0x540)); + const u32 total = nv_rd32(priv, 0x610afc + (head * 0x540)); + union { + struct nv04_disp_scanoutpos_v0 v0; + } *args = data; + int ret; + + nv_ioctl(object, "disp scanoutpos size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(object, "disp scanoutpos vers %d\n", args->v0.version); + args->v0.vblanke = (blanke & 0xffff0000) >> 16; + args->v0.hblanke = (blanke & 0x0000ffff); + args->v0.vblanks = (blanks & 0xffff0000) >> 16; + args->v0.hblanks = (blanks & 0x0000ffff); + args->v0.vtotal = ( total & 0xffff0000) >> 16; + args->v0.htotal = ( total & 0x0000ffff); + args->v0.time[0] = ktime_to_ns(ktime_get()); + args->v0.vline = /* vline read locks hline */ + nv_rd32(priv, 0x616340 + (head * 0x800)) & 0xffff; + args->v0.time[1] = ktime_to_ns(ktime_get()); + args->v0.hline = + nv_rd32(priv, 0x616344 + (head * 0x800)) & 0xffff; + } else + return ret; + + return 0; +} + +int +nv50_disp_main_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) +{ + const struct nv50_disp_impl *impl = (void *)nv_oclass(object->engine); + union { + struct nv50_disp_mthd_v0 v0; + struct nv50_disp_mthd_v1 v1; + } *args = data; + struct nv50_disp_priv *priv = (void *)object->engine; + struct nvkm_output *outp = NULL; + struct nvkm_output *temp; + u16 type, mask = 0; + int head, ret; + + if (mthd != NV50_DISP_MTHD) + return -EINVAL; + + nv_ioctl(object, "disp mthd size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, true)) { + nv_ioctl(object, "disp mthd vers %d mthd %02x head %d\n", + args->v0.version, args->v0.method, args->v0.head); + mthd = args->v0.method; + head = args->v0.head; + } else + if (nvif_unpack(args->v1, 1, 1, true)) { + nv_ioctl(object, "disp mthd vers %d mthd %02x " + "type %04x mask %04x\n", + args->v1.version, args->v1.method, + args->v1.hasht, args->v1.hashm); + mthd = args->v1.method; + type = args->v1.hasht; + mask = args->v1.hashm; + head = ffs((mask >> 8) & 0x0f) - 1; + } else + return ret; + + if (head < 0 || head >= priv->head.nr) + return -ENXIO; + + if (mask) { + list_for_each_entry(temp, &priv->base.outp, head) { + if ((temp->info.hasht == type) && + (temp->info.hashm & mask) == mask) { + outp = temp; + break; + } + } + if (outp == NULL) + return -ENXIO; + } + + switch (mthd) { + case NV50_DISP_SCANOUTPOS: + return impl->head.scanoutpos(object, priv, data, size, head); + default: + break; + } + + switch (mthd * !!outp) { + case NV50_DISP_MTHD_V1_DAC_PWR: + return priv->dac.power(object, priv, data, size, head, outp); + case NV50_DISP_MTHD_V1_DAC_LOAD: + return priv->dac.sense(object, priv, data, size, head, outp); + case NV50_DISP_MTHD_V1_SOR_PWR: + return priv->sor.power(object, priv, data, size, head, outp); + case NV50_DISP_MTHD_V1_SOR_HDA_ELD: + if (!priv->sor.hda_eld) + return -ENODEV; + return priv->sor.hda_eld(object, priv, data, size, head, outp); + case NV50_DISP_MTHD_V1_SOR_HDMI_PWR: + if (!priv->sor.hdmi) + return -ENODEV; + return priv->sor.hdmi(object, priv, data, size, head, outp); + case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: { + union { + struct nv50_disp_sor_lvds_script_v0 v0; + } *args = data; + nv_ioctl(object, "disp sor lvds script size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(object, "disp sor lvds script " + "vers %d name %04x\n", + args->v0.version, args->v0.script); + priv->sor.lvdsconf = args->v0.script; + return 0; + } else + return ret; + } + break; + case NV50_DISP_MTHD_V1_SOR_DP_PWR: { + struct nvkm_output_dp *outpdp = (void *)outp; + union { + struct nv50_disp_sor_dp_pwr_v0 v0; + } *args = data; + nv_ioctl(object, "disp sor dp pwr size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(object, "disp sor dp pwr vers %d state %d\n", + args->v0.version, args->v0.state); + if (args->v0.state == 0) { + nvkm_notify_put(&outpdp->irq); + ((struct nvkm_output_dp_impl *)nv_oclass(outp)) + ->lnk_pwr(outpdp, 0); + atomic_set(&outpdp->lt.done, 0); + return 0; + } else + if (args->v0.state != 0) { + nvkm_output_dp_train(&outpdp->base, 0, true); + return 0; + } + } else + return ret; + } + break; + case NV50_DISP_MTHD_V1_PIOR_PWR: + if (!priv->pior.power) + return -ENODEV; + return priv->pior.power(object, priv, data, size, head, outp); + default: + break; + } + + return -EINVAL; +} + +int +nv50_disp_main_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_disp_priv *priv = (void *)engine; + struct nv50_disp_base *base; + int ret; + + ret = nvkm_parent_create(parent, engine, oclass, 0, + priv->sclass, 0, &base); + *pobject = nv_object(base); + if (ret) + return ret; + + return nvkm_ramht_new(nv_object(base), nv_object(base), 0x1000, 0, + &base->ramht); +} + +void +nv50_disp_main_dtor(struct nvkm_object *object) +{ + struct nv50_disp_base *base = (void *)object; + nvkm_ramht_ref(NULL, &base->ramht); + nvkm_parent_destroy(&base->base); +} + +static int +nv50_disp_main_init(struct nvkm_object *object) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_base *base = (void *)object; + int ret, i; + u32 tmp; + + ret = nvkm_parent_init(&base->base); + if (ret) + return ret; + + /* The below segments of code copying values from one register to + * another appear to inform EVO of the display capabilities or + * something similar. NFI what the 0x614004 caps are for.. + */ + tmp = nv_rd32(priv, 0x614004); + nv_wr32(priv, 0x610184, tmp); + + /* ... CRTC caps */ + for (i = 0; i < priv->head.nr; i++) { + tmp = nv_rd32(priv, 0x616100 + (i * 0x800)); + nv_wr32(priv, 0x610190 + (i * 0x10), tmp); + tmp = nv_rd32(priv, 0x616104 + (i * 0x800)); + nv_wr32(priv, 0x610194 + (i * 0x10), tmp); + tmp = nv_rd32(priv, 0x616108 + (i * 0x800)); + nv_wr32(priv, 0x610198 + (i * 0x10), tmp); + tmp = nv_rd32(priv, 0x61610c + (i * 0x800)); + nv_wr32(priv, 0x61019c + (i * 0x10), tmp); + } + + /* ... DAC caps */ + for (i = 0; i < priv->dac.nr; i++) { + tmp = nv_rd32(priv, 0x61a000 + (i * 0x800)); + nv_wr32(priv, 0x6101d0 + (i * 0x04), tmp); + } + + /* ... SOR caps */ + for (i = 0; i < priv->sor.nr; i++) { + tmp = nv_rd32(priv, 0x61c000 + (i * 0x800)); + nv_wr32(priv, 0x6101e0 + (i * 0x04), tmp); + } + + /* ... PIOR caps */ + for (i = 0; i < priv->pior.nr; i++) { + tmp = nv_rd32(priv, 0x61e000 + (i * 0x800)); + nv_wr32(priv, 0x6101f0 + (i * 0x04), tmp); + } + + /* steal display away from vbios, or something like that */ + if (nv_rd32(priv, 0x610024) & 0x00000100) { + nv_wr32(priv, 0x610024, 0x00000100); + nv_mask(priv, 0x6194e8, 0x00000001, 0x00000000); + if (!nv_wait(priv, 0x6194e8, 0x00000002, 0x00000000)) { + nv_error(priv, "timeout acquiring display\n"); + return -EBUSY; + } + } + + /* point at display engine memory area (hash table, objects) */ + nv_wr32(priv, 0x610010, (nv_gpuobj(base->ramht)->addr >> 8) | 9); + + /* enable supervisor interrupts, disable everything else */ + nv_wr32(priv, 0x61002c, 0x00000370); + nv_wr32(priv, 0x610028, 0x00000000); + return 0; +} + +static int +nv50_disp_main_fini(struct nvkm_object *object, bool suspend) +{ + struct nv50_disp_priv *priv = (void *)object->engine; + struct nv50_disp_base *base = (void *)object; + + /* disable all interrupts */ + nv_wr32(priv, 0x610024, 0x00000000); + nv_wr32(priv, 0x610020, 0x00000000); + + return nvkm_parent_fini(&base->base, suspend); +} + +struct nvkm_ofuncs +nv50_disp_main_ofuncs = { + .ctor = nv50_disp_main_ctor, + .dtor = nv50_disp_main_dtor, + .init = nv50_disp_main_init, + .fini = nv50_disp_main_fini, + .mthd = nv50_disp_main_mthd, + .ntfy = nvkm_disp_ntfy, +}; + +static struct nvkm_oclass +nv50_disp_main_oclass[] = { + { NV50_DISP, &nv50_disp_main_ofuncs }, + {} +}; + +static struct nvkm_oclass +nv50_disp_sclass[] = { + { NV50_DISP_CORE_CHANNEL_DMA, &nv50_disp_core_ofuncs.base }, + { NV50_DISP_BASE_CHANNEL_DMA, &nv50_disp_base_ofuncs.base }, + { NV50_DISP_OVERLAY_CHANNEL_DMA, &nv50_disp_ovly_ofuncs.base }, + { NV50_DISP_OVERLAY, &nv50_disp_oimm_ofuncs.base }, + { NV50_DISP_CURSOR, &nv50_disp_curs_ofuncs.base }, + {} +}; + +/******************************************************************************* + * Display context, tracks instmem allocation and prevents more than one + * client using the display hardware at any time. + ******************************************************************************/ + +static int +nv50_disp_data_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_disp_priv *priv = (void *)engine; + struct nvkm_engctx *ectx; + int ret = -EBUSY; + + /* no context needed for channel objects... */ + if (nv_mclass(parent) != NV_DEVICE) { + atomic_inc(&parent->refcount); + *pobject = parent; + return 1; + } + + /* allocate display hardware to client */ + mutex_lock(&nv_subdev(priv)->mutex); + if (list_empty(&nv_engine(priv)->contexts)) { + ret = nvkm_engctx_create(parent, engine, oclass, NULL, 0x10000, + 0x10000, NVOBJ_FLAG_HEAP, &ectx); + *pobject = nv_object(ectx); + } + mutex_unlock(&nv_subdev(priv)->mutex); + return ret; +} + +struct nvkm_oclass +nv50_disp_cclass = { + .handle = NV_ENGCTX(DISP, 0x50), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_disp_data_ctor, + .dtor = _nvkm_engctx_dtor, + .init = _nvkm_engctx_init, + .fini = _nvkm_engctx_fini, + .rd32 = _nvkm_engctx_rd32, + .wr32 = _nvkm_engctx_wr32, + }, +}; + +/******************************************************************************* + * Display engine implementation + ******************************************************************************/ + +static void +nv50_disp_vblank_fini(struct nvkm_event *event, int type, int head) +{ + struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); + nv_mask(disp, 0x61002c, (4 << head), 0); +} + +static void +nv50_disp_vblank_init(struct nvkm_event *event, int type, int head) +{ + struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); + nv_mask(disp, 0x61002c, (4 << head), (4 << head)); +} + +const struct nvkm_event_func +nv50_disp_vblank_func = { + .ctor = nvkm_disp_vblank_ctor, + .init = nv50_disp_vblank_init, + .fini = nv50_disp_vblank_fini, +}; + +static const struct nvkm_enum +nv50_disp_intr_error_type[] = { + { 3, "ILLEGAL_MTHD" }, + { 4, "INVALID_VALUE" }, + { 5, "INVALID_STATE" }, + { 7, "INVALID_HANDLE" }, + {} +}; + +static const struct nvkm_enum +nv50_disp_intr_error_code[] = { + { 0x00, "" }, + {} +}; + +static void +nv50_disp_intr_error(struct nv50_disp_priv *priv, int chid) +{ + struct nv50_disp_impl *impl = (void *)nv_object(priv)->oclass; + u32 data = nv_rd32(priv, 0x610084 + (chid * 0x08)); + u32 addr = nv_rd32(priv, 0x610080 + (chid * 0x08)); + u32 code = (addr & 0x00ff0000) >> 16; + u32 type = (addr & 0x00007000) >> 12; + u32 mthd = (addr & 0x00000ffc); + const struct nvkm_enum *ec, *et; + char ecunk[6], etunk[6]; + + et = nvkm_enum_find(nv50_disp_intr_error_type, type); + if (!et) + snprintf(etunk, sizeof(etunk), "UNK%02X", type); + + ec = nvkm_enum_find(nv50_disp_intr_error_code, code); + if (!ec) + snprintf(ecunk, sizeof(ecunk), "UNK%02X", code); + + nv_error(priv, "%s [%s] chid %d mthd 0x%04x data 0x%08x\n", + et ? et->name : etunk, ec ? ec->name : ecunk, + chid, mthd, data); + + if (chid == 0) { + switch (mthd) { + case 0x0080: + nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 0, + impl->mthd.core); + break; + default: + break; + } + } else + if (chid <= 2) { + switch (mthd) { + case 0x0080: + nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 1, + impl->mthd.base); + break; + default: + break; + } + } else + if (chid <= 4) { + switch (mthd) { + case 0x0080: + nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 3, + impl->mthd.ovly); + break; + default: + break; + } + } + + nv_wr32(priv, 0x610020, 0x00010000 << chid); + nv_wr32(priv, 0x610080 + (chid * 0x08), 0x90000000); +} + +static struct nvkm_output * +exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl, + u32 *data, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_outp *info) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + struct nvkm_output *outp; + u16 mask, type; + + if (or < 4) { + type = DCB_OUTPUT_ANALOG; + mask = 0; + } else + if (or < 8) { + switch (ctrl & 0x00000f00) { + case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break; + case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break; + case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break; + case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break; + case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break; + case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break; + default: + nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl); + return NULL; + } + or -= 4; + } else { + or = or - 8; + type = 0x0010; + mask = 0; + switch (ctrl & 0x00000f00) { + case 0x00000000: type |= priv->pior.type[or]; break; + default: + nv_error(priv, "unknown PIOR mc 0x%08x\n", ctrl); + return NULL; + } + } + + mask = 0x00c0 & (mask << 6); + mask |= 0x0001 << or; + mask |= 0x0100 << head; + + list_for_each_entry(outp, &priv->base.outp, head) { + if ((outp->info.hasht & 0xff) == type && + (outp->info.hashm & mask) == mask) { + *data = nvbios_outp_match(bios, outp->info.hasht, + outp->info.hashm, + ver, hdr, cnt, len, info); + if (!*data) + return NULL; + return outp; + } + } + + return NULL; +} + +static struct nvkm_output * +exec_script(struct nv50_disp_priv *priv, int head, int id) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + struct nvkm_output *outp; + struct nvbios_outp info; + u8 ver, hdr, cnt, len; + u32 data, ctrl = 0; + u32 reg; + int i; + + /* DAC */ + for (i = 0; !(ctrl & (1 << head)) && i < priv->dac.nr; i++) + ctrl = nv_rd32(priv, 0x610b5c + (i * 8)); + + /* SOR */ + if (!(ctrl & (1 << head))) { + if (nv_device(priv)->chipset < 0x90 || + nv_device(priv)->chipset == 0x92 || + nv_device(priv)->chipset == 0xa0) { + reg = 0x610b74; + } else { + reg = 0x610798; + } + for (i = 0; !(ctrl & (1 << head)) && i < priv->sor.nr; i++) + ctrl = nv_rd32(priv, reg + (i * 8)); + i += 4; + } + + /* PIOR */ + if (!(ctrl & (1 << head))) { + for (i = 0; !(ctrl & (1 << head)) && i < priv->pior.nr; i++) + ctrl = nv_rd32(priv, 0x610b84 + (i * 8)); + i += 8; + } + + if (!(ctrl & (1 << head))) + return NULL; + i--; + + outp = exec_lookup(priv, head, i, ctrl, &data, &ver, &hdr, &cnt, &len, &info); + if (outp) { + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = bios, + .offset = info.script[id], + .outp = &outp->info, + .crtc = head, + .execute = 1, + }; + + nvbios_exec(&init); + } + + return outp; +} + +static struct nvkm_output * +exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, u32 *conf) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + struct nvkm_output *outp; + struct nvbios_outp info1; + struct nvbios_ocfg info2; + u8 ver, hdr, cnt, len; + u32 data, ctrl = 0; + u32 reg; + int i; + + /* DAC */ + for (i = 0; !(ctrl & (1 << head)) && i < priv->dac.nr; i++) + ctrl = nv_rd32(priv, 0x610b58 + (i * 8)); + + /* SOR */ + if (!(ctrl & (1 << head))) { + if (nv_device(priv)->chipset < 0x90 || + nv_device(priv)->chipset == 0x92 || + nv_device(priv)->chipset == 0xa0) { + reg = 0x610b70; + } else { + reg = 0x610794; + } + for (i = 0; !(ctrl & (1 << head)) && i < priv->sor.nr; i++) + ctrl = nv_rd32(priv, reg + (i * 8)); + i += 4; + } + + /* PIOR */ + if (!(ctrl & (1 << head))) { + for (i = 0; !(ctrl & (1 << head)) && i < priv->pior.nr; i++) + ctrl = nv_rd32(priv, 0x610b80 + (i * 8)); + i += 8; + } + + if (!(ctrl & (1 << head))) + return NULL; + i--; + + outp = exec_lookup(priv, head, i, ctrl, &data, &ver, &hdr, &cnt, &len, &info1); + if (!outp) + return NULL; + + if (outp->info.location == 0) { + switch (outp->info.type) { + case DCB_OUTPUT_TMDS: + *conf = (ctrl & 0x00000f00) >> 8; + if (pclk >= 165000) + *conf |= 0x0100; + break; + case DCB_OUTPUT_LVDS: + *conf = priv->sor.lvdsconf; + break; + case DCB_OUTPUT_DP: + *conf = (ctrl & 0x00000f00) >> 8; + break; + case DCB_OUTPUT_ANALOG: + default: + *conf = 0x00ff; + break; + } + } else { + *conf = (ctrl & 0x00000f00) >> 8; + pclk = pclk / 2; + } + + data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2); + if (data && id < 0xff) { + data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk); + if (data) { + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = bios, + .offset = data, + .outp = &outp->info, + .crtc = head, + .execute = 1, + }; + + nvbios_exec(&init); + } + } + + return outp; +} + +static void +nv50_disp_intr_unk10_0(struct nv50_disp_priv *priv, int head) +{ + exec_script(priv, head, 1); +} + +static void +nv50_disp_intr_unk20_0(struct nv50_disp_priv *priv, int head) +{ + struct nvkm_output *outp = exec_script(priv, head, 2); + + /* the binary driver does this outside of the supervisor handling + * (after the third supervisor from a detach). we (currently?) + * allow both detach/attach to happen in the same set of + * supervisor interrupts, so it would make sense to execute this + * (full power down?) script after all the detach phases of the + * supervisor handling. like with training if needed from the + * second supervisor, nvidia doesn't do this, so who knows if it's + * entirely safe, but it does appear to work.. + * + * without this script being run, on some configurations i've + * seen, switching from DP to TMDS on a DP connector may result + * in a blank screen (SOR_PWR off/on can restore it) + */ + if (outp && outp->info.type == DCB_OUTPUT_DP) { + struct nvkm_output_dp *outpdp = (void *)outp; + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = nvkm_bios(priv), + .outp = &outp->info, + .crtc = head, + .offset = outpdp->info.script[4], + .execute = 1, + }; + + nvbios_exec(&init); + atomic_set(&outpdp->lt.done, 0); + } +} + +static void +nv50_disp_intr_unk20_1(struct nv50_disp_priv *priv, int head) +{ + struct nvkm_devinit *devinit = nvkm_devinit(priv); + u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; + if (pclk) + devinit->pll_set(devinit, PLL_VPLL0 + head, pclk); +} + +static void +nv50_disp_intr_unk20_2_dp(struct nv50_disp_priv *priv, int head, + struct dcb_output *outp, u32 pclk) +{ + const int link = !(outp->sorconf.link & 1); + const int or = ffs(outp->or) - 1; + const u32 soff = ( or * 0x800); + const u32 loff = (link * 0x080) + soff; + const u32 ctrl = nv_rd32(priv, 0x610794 + (or * 8)); + const u32 symbol = 100000; + const s32 vactive = nv_rd32(priv, 0x610af8 + (head * 0x540)) & 0xffff; + const s32 vblanke = nv_rd32(priv, 0x610ae8 + (head * 0x540)) & 0xffff; + const s32 vblanks = nv_rd32(priv, 0x610af0 + (head * 0x540)) & 0xffff; + u32 dpctrl = nv_rd32(priv, 0x61c10c + loff); + u32 clksor = nv_rd32(priv, 0x614300 + soff); + int bestTU = 0, bestVTUi = 0, bestVTUf = 0, bestVTUa = 0; + int TU, VTUi, VTUf, VTUa; + u64 link_data_rate, link_ratio, unk; + u32 best_diff = 64 * symbol; + u32 link_nr, link_bw, bits; + u64 value; + + link_bw = (clksor & 0x000c0000) ? 270000 : 162000; + link_nr = hweight32(dpctrl & 0x000f0000); + + /* symbols/hblank - algorithm taken from comments in tegra driver */ + value = vblanke + vactive - vblanks - 7; + value = value * link_bw; + do_div(value, pclk); + value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr); + nv_mask(priv, 0x61c1e8 + soff, 0x0000ffff, value); + + /* symbols/vblank - algorithm taken from comments in tegra driver */ + value = vblanks - vblanke - 25; + value = value * link_bw; + do_div(value, pclk); + value = value - ((36 / link_nr) + 3) - 1; + nv_mask(priv, 0x61c1ec + soff, 0x00ffffff, value); + + /* watermark / activesym */ + if ((ctrl & 0xf0000) == 0x60000) bits = 30; + else if ((ctrl & 0xf0000) == 0x50000) bits = 24; + else bits = 18; + + link_data_rate = (pclk * bits / 8) / link_nr; + + /* calculate ratio of packed data rate to link symbol rate */ + link_ratio = link_data_rate * symbol; + do_div(link_ratio, link_bw); + + for (TU = 64; TU >= 32; TU--) { + /* calculate average number of valid symbols in each TU */ + u32 tu_valid = link_ratio * TU; + u32 calc, diff; + + /* find a hw representation for the fraction.. */ + VTUi = tu_valid / symbol; + calc = VTUi * symbol; + diff = tu_valid - calc; + if (diff) { + if (diff >= (symbol / 2)) { + VTUf = symbol / (symbol - diff); + if (symbol - (VTUf * diff)) + VTUf++; + + if (VTUf <= 15) { + VTUa = 1; + calc += symbol - (symbol / VTUf); + } else { + VTUa = 0; + VTUf = 1; + calc += symbol; + } + } else { + VTUa = 0; + VTUf = min((int)(symbol / diff), 15); + calc += symbol / VTUf; + } + + diff = calc - tu_valid; + } else { + /* no remainder, but the hw doesn't like the fractional + * part to be zero. decrement the integer part and + * have the fraction add a whole symbol back + */ + VTUa = 0; + VTUf = 1; + VTUi--; + } + + if (diff < best_diff) { + best_diff = diff; + bestTU = TU; + bestVTUa = VTUa; + bestVTUf = VTUf; + bestVTUi = VTUi; + if (diff == 0) + break; + } + } + + if (!bestTU) { + nv_error(priv, "unable to find suitable dp config\n"); + return; + } + + /* XXX close to vbios numbers, but not right */ + unk = (symbol - link_ratio) * bestTU; + unk *= link_ratio; + do_div(unk, symbol); + do_div(unk, symbol); + unk += 6; + + nv_mask(priv, 0x61c10c + loff, 0x000001fc, bestTU << 2); + nv_mask(priv, 0x61c128 + loff, 0x010f7f3f, bestVTUa << 24 | + bestVTUf << 16 | + bestVTUi << 8 | unk); +} + +static void +nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) +{ + struct nvkm_output *outp; + u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; + u32 hval, hreg = 0x614200 + (head * 0x800); + u32 oval, oreg; + u32 mask, conf; + + outp = exec_clkcmp(priv, head, 0xff, pclk, &conf); + if (!outp) + return; + + /* we allow both encoder attach and detach operations to occur + * within a single supervisor (ie. modeset) sequence. the + * encoder detach scripts quite often switch off power to the + * lanes, which requires the link to be re-trained. + * + * this is not generally an issue as the sink "must" (heh) + * signal an irq when it's lost sync so the driver can + * re-train. + * + * however, on some boards, if one does not configure at least + * the gpu side of the link *before* attaching, then various + * things can go horribly wrong (PDISP disappearing from mmio, + * third supervisor never happens, etc). + * + * the solution is simply to retrain here, if necessary. last + * i checked, the binary driver userspace does not appear to + * trigger this situation (it forces an UPDATE between steps). + */ + if (outp->info.type == DCB_OUTPUT_DP) { + u32 soff = (ffs(outp->info.or) - 1) * 0x08; + u32 ctrl, datarate; + + if (outp->info.location == 0) { + ctrl = nv_rd32(priv, 0x610794 + soff); + soff = 1; + } else { + ctrl = nv_rd32(priv, 0x610b80 + soff); + soff = 2; + } + + switch ((ctrl & 0x000f0000) >> 16) { + case 6: datarate = pclk * 30; break; + case 5: datarate = pclk * 24; break; + case 2: + default: + datarate = pclk * 18; + break; + } + + if (nvkm_output_dp_train(outp, datarate / soff, true)) + ERR("link not trained before attach\n"); + } + + exec_clkcmp(priv, head, 0, pclk, &conf); + + if (!outp->info.location && outp->info.type == DCB_OUTPUT_ANALOG) { + oreg = 0x614280 + (ffs(outp->info.or) - 1) * 0x800; + oval = 0x00000000; + hval = 0x00000000; + mask = 0xffffffff; + } else + if (!outp->info.location) { + if (outp->info.type == DCB_OUTPUT_DP) + nv50_disp_intr_unk20_2_dp(priv, head, &outp->info, pclk); + oreg = 0x614300 + (ffs(outp->info.or) - 1) * 0x800; + oval = (conf & 0x0100) ? 0x00000101 : 0x00000000; + hval = 0x00000000; + mask = 0x00000707; + } else { + oreg = 0x614380 + (ffs(outp->info.or) - 1) * 0x800; + oval = 0x00000001; + hval = 0x00000001; + mask = 0x00000707; + } + + nv_mask(priv, hreg, 0x0000000f, hval); + nv_mask(priv, oreg, mask, oval); +} + +/* If programming a TMDS output on a SOR that can also be configured for + * DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off. + * + * It looks like the VBIOS TMDS scripts make an attempt at this, however, + * the VBIOS scripts on at least one board I have only switch it off on + * link 0, causing a blank display if the output has previously been + * programmed for DisplayPort. + */ +static void +nv50_disp_intr_unk40_0_tmds(struct nv50_disp_priv *priv, + struct dcb_output *outp) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + const int link = !(outp->sorconf.link & 1); + const int or = ffs(outp->or) - 1; + const u32 loff = (or * 0x800) + (link * 0x80); + const u16 mask = (outp->sorconf.link << 6) | outp->or; + struct dcb_output match; + u8 ver, hdr; + + if (dcb_outp_match(bios, DCB_OUTPUT_DP, mask, &ver, &hdr, &match)) + nv_mask(priv, 0x61c10c + loff, 0x00000001, 0x00000000); +} + +static void +nv50_disp_intr_unk40_0(struct nv50_disp_priv *priv, int head) +{ + struct nvkm_output *outp; + u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; + u32 conf; + + outp = exec_clkcmp(priv, head, 1, pclk, &conf); + if (!outp) + return; + + if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_TMDS) + nv50_disp_intr_unk40_0_tmds(priv, &outp->info); +} + +void +nv50_disp_intr_supervisor(struct work_struct *work) +{ + struct nv50_disp_priv *priv = + container_of(work, struct nv50_disp_priv, supervisor); + struct nv50_disp_impl *impl = (void *)nv_object(priv)->oclass; + u32 super = nv_rd32(priv, 0x610030); + int head; + + nv_debug(priv, "supervisor 0x%08x 0x%08x\n", priv->super, super); + + if (priv->super & 0x00000010) { + nv50_disp_mthd_chan(priv, NV_DBG_DEBUG, 0, impl->mthd.core); + for (head = 0; head < priv->head.nr; head++) { + if (!(super & (0x00000020 << head))) + continue; + if (!(super & (0x00000080 << head))) + continue; + nv50_disp_intr_unk10_0(priv, head); + } + } else + if (priv->super & 0x00000020) { + for (head = 0; head < priv->head.nr; head++) { + if (!(super & (0x00000080 << head))) + continue; + nv50_disp_intr_unk20_0(priv, head); + } + for (head = 0; head < priv->head.nr; head++) { + if (!(super & (0x00000200 << head))) + continue; + nv50_disp_intr_unk20_1(priv, head); + } + for (head = 0; head < priv->head.nr; head++) { + if (!(super & (0x00000080 << head))) + continue; + nv50_disp_intr_unk20_2(priv, head); + } + } else + if (priv->super & 0x00000040) { + for (head = 0; head < priv->head.nr; head++) { + if (!(super & (0x00000080 << head))) + continue; + nv50_disp_intr_unk40_0(priv, head); + } + } + + nv_wr32(priv, 0x610030, 0x80000000); +} + +void +nv50_disp_intr(struct nvkm_subdev *subdev) +{ + struct nv50_disp_priv *priv = (void *)subdev; + u32 intr0 = nv_rd32(priv, 0x610020); + u32 intr1 = nv_rd32(priv, 0x610024); + + while (intr0 & 0x001f0000) { + u32 chid = __ffs(intr0 & 0x001f0000) - 16; + nv50_disp_intr_error(priv, chid); + intr0 &= ~(0x00010000 << chid); + } + + while (intr0 & 0x0000001f) { + u32 chid = __ffs(intr0 & 0x0000001f); + nv50_disp_chan_uevent_send(priv, chid); + intr0 &= ~(0x00000001 << chid); + } + + if (intr1 & 0x00000004) { + nvkm_disp_vblank(&priv->base, 0); + nv_wr32(priv, 0x610024, 0x00000004); + intr1 &= ~0x00000004; + } + + if (intr1 & 0x00000008) { + nvkm_disp_vblank(&priv->base, 1); + nv_wr32(priv, 0x610024, 0x00000008); + intr1 &= ~0x00000008; + } + + if (intr1 & 0x00000070) { + priv->super = (intr1 & 0x00000070); + schedule_work(&priv->supervisor); + nv_wr32(priv, 0x610024, priv->super); + intr1 &= ~0x00000070; + } +} + +static int +nv50_disp_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_disp_priv *priv; + int ret; + + ret = nvkm_disp_create(parent, engine, oclass, 2, "PDISP", + "display", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + ret = nvkm_event_init(&nv50_disp_chan_uevent, 1, 9, &priv->uevent); + if (ret) + return ret; + + nv_engine(priv)->sclass = nv50_disp_main_oclass; + nv_engine(priv)->cclass = &nv50_disp_cclass; + nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); + priv->sclass = nv50_disp_sclass; + priv->head.nr = 2; + priv->dac.nr = 3; + priv->sor.nr = 2; + priv->pior.nr = 3; + priv->dac.power = nv50_dac_power; + priv->dac.sense = nv50_dac_sense; + priv->sor.power = nv50_sor_power; + priv->pior.power = nv50_pior_power; + return 0; +} + +struct nvkm_oclass * +nv50_disp_outp_sclass[] = { + &nv50_pior_dp_impl.base.base, + NULL +}; + +struct nvkm_oclass * +nv50_disp_oclass = &(struct nv50_disp_impl) { + .base.base.handle = NV_ENGINE(DISP, 0x50), + .base.base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_disp_ctor, + .dtor = _nvkm_disp_dtor, + .init = _nvkm_disp_init, + .fini = _nvkm_disp_fini, + }, + .base.vblank = &nv50_disp_vblank_func, + .base.outp = nv50_disp_outp_sclass, + .mthd.core = &nv50_disp_core_mthd_chan, + .mthd.base = &nv50_disp_base_mthd_chan, + .mthd.ovly = &nv50_disp_ovly_mthd_chan, + .mthd.prev = 0x000004, + .head.scanoutpos = nv50_disp_main_scanoutpos, +}.base.base; |