diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c new file mode 100644 index 000000000..e50a94b6d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c @@ -0,0 +1,252 @@ +/* + * 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 "priv.h" +#include "cgrp.h" +#include "chan.h" +#include "chid.h" +#include "runl.h" + +#include "regsnv04.h" + +#include <core/ramht.h> +#include <subdev/fb.h> +#include <subdev/instmem.h> + +#include <nvif/class.h> + +static int +nv40_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv) +{ + struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc; + const u32 base = chan->id * 128; + + chan->ramfc_offset = base; + + nvkm_kmap(ramfc); + nvkm_wo32(ramfc, base + 0x00, offset); + nvkm_wo32(ramfc, base + 0x04, offset); + nvkm_wo32(ramfc, base + 0x0c, chan->push->addr >> 4); + nvkm_wo32(ramfc, base + 0x18, 0x30000000 | + NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | + NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | +#ifdef __BIG_ENDIAN + NV_PFIFO_CACHE1_BIG_ENDIAN | +#endif + NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8); + nvkm_wo32(ramfc, base + 0x3c, 0x0001ffff); + nvkm_done(ramfc); + return 0; +} + +static const struct nvkm_chan_func_ramfc +nv40_chan_ramfc = { + .layout = (const struct nvkm_ramfc_layout[]) { + { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, + { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, + { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT }, + { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 28, 0, 0x18, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 2, 28, 0x18, 28, 0x002058 }, + { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x20, 0, NV04_PFIFO_CACHE1_PULL1 }, + { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE }, + { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP }, + { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT }, + { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_SEMAPHORE }, + { 32, 0, 0x34, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE }, + { 32, 0, 0x38, 0, NV40_PFIFO_GRCTX_INSTANCE }, + { 17, 0, 0x3c, 0, NV04_PFIFO_DMA_TIMESLICE }, + { 32, 0, 0x40, 0, 0x0032e4 }, + { 32, 0, 0x44, 0, 0x0032e8 }, + { 32, 0, 0x4c, 0, 0x002088 }, + { 32, 0, 0x50, 0, 0x003300 }, + { 32, 0, 0x54, 0, 0x00330c }, + {} + }, + .write = nv40_chan_ramfc_write, + .clear = nv04_chan_ramfc_clear, + .ctxdma = true, +}; + +static const struct nvkm_chan_func_userd +nv40_chan_userd = { + .bar = 0, + .base = 0xc00000, + .size = 0x001000, +}; + +static const struct nvkm_chan_func +nv40_chan = { + .inst = &nv04_chan_inst, + .userd = &nv40_chan_userd, + .ramfc = &nv40_chan_ramfc, + .start = nv04_chan_start, + .stop = nv04_chan_stop, +}; + +static int +nv40_eobj_ramht_add(struct nvkm_engn *engn, struct nvkm_object *eobj, struct nvkm_chan *chan) +{ + struct nvkm_fifo *fifo = chan->cgrp->runl->fifo; + struct nvkm_instmem *imem = fifo->engine.subdev.device->imem; + u32 context = chan->id << 23 | engn->id << 20; + int hash; + + mutex_lock(&fifo->mutex); + hash = nvkm_ramht_insert(imem->ramht, eobj, chan->id, 4, eobj->handle, context); + mutex_unlock(&fifo->mutex); + return hash; +} + +static void +nv40_ectx_bind(struct nvkm_engn *engn, struct nvkm_cctx *cctx, struct nvkm_chan *chan) +{ + struct nvkm_fifo *fifo = chan->cgrp->runl->fifo; + struct nvkm_device *device = fifo->engine.subdev.device; + struct nvkm_memory *ramfc = device->imem->ramfc; + u32 inst = 0x00000000, reg, ctx; + int chid; + + switch (engn->engine->subdev.type) { + case NVKM_ENGINE_GR: + reg = 0x0032e0; + ctx = 0x38; + break; + case NVKM_ENGINE_MPEG: + if (WARN_ON(device->chipset < 0x44)) + return; + reg = 0x00330c; + ctx = 0x54; + break; + default: + WARN_ON(1); + return; + } + + if (cctx) + inst = cctx->vctx->inst->addr >> 4; + + spin_lock_irq(&fifo->lock); + nvkm_mask(device, 0x002500, 0x00000001, 0x00000000); + + chid = nvkm_rd32(device, 0x003204) & (fifo->chid->nr - 1); + if (chid == chan->id) + nvkm_wr32(device, reg, inst); + + nvkm_kmap(ramfc); + nvkm_wo32(ramfc, chan->ramfc_offset + ctx, inst); + nvkm_done(ramfc); + + nvkm_mask(device, 0x002500, 0x00000001, 0x00000001); + spin_unlock_irq(&fifo->lock); +} + +static const struct nvkm_engn_func +nv40_engn = { + .bind = nv40_ectx_bind, + .ramht_add = nv40_eobj_ramht_add, + .ramht_del = nv04_eobj_ramht_del, +}; + +static const struct nvkm_engn_func +nv40_engn_sw = { + .ramht_add = nv40_eobj_ramht_add, + .ramht_del = nv04_eobj_ramht_del, +}; + +static void +nv40_fifo_init(struct nvkm_fifo *fifo) +{ + struct nvkm_device *device = fifo->engine.subdev.device; + struct nvkm_fb *fb = device->fb; + struct nvkm_instmem *imem = device->imem; + struct nvkm_ramht *ramht = imem->ramht; + struct nvkm_memory *ramro = imem->ramro; + struct nvkm_memory *ramfc = imem->ramfc; + + nvkm_wr32(device, 0x002040, 0x000000ff); + nvkm_wr32(device, 0x002044, 0x2101ffff); + nvkm_wr32(device, 0x002058, 0x00000001); + + nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | + ((ramht->bits - 9) << 16) | + (ramht->gpuobj->addr >> 8)); + nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8); + + switch (device->chipset) { + case 0x47: + case 0x49: + case 0x4b: + nvkm_wr32(device, 0x002230, 0x00000001); + fallthrough; + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x45: + case 0x48: + nvkm_wr32(device, 0x002220, 0x00030002); + break; + default: + nvkm_wr32(device, 0x002230, 0x00000000); + nvkm_wr32(device, 0x002220, ((fb->ram->size - 512 * 1024 + + nvkm_memory_addr(ramfc)) >> 16) | + 0x00030000); + break; + } + + nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask); + + nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff); + nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff); + + nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1); + nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1); + nvkm_wr32(device, NV03_PFIFO_CACHES, 1); +} + +static const struct nvkm_fifo_func +nv40_fifo = { + .chid_nr = nv10_fifo_chid_nr, + .chid_ctor = nv04_fifo_chid_ctor, + .runl_ctor = nv04_fifo_runl_ctor, + .init = nv40_fifo_init, + .intr = nv04_fifo_intr, + .pause = nv04_fifo_pause, + .start = nv04_fifo_start, + .runl = &nv04_runl, + .engn = &nv40_engn, + .engn_sw = &nv40_engn_sw, + .cgrp = {{ }, &nv04_cgrp }, + .chan = {{ 0, 0, NV40_CHANNEL_DMA }, &nv40_chan }, +}; + +int +nv40_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + return nvkm_fifo_new_(&nv40_fifo, device, type, inst, pfifo); +} |