diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c new file mode 100644 index 0000000000..c70f44fd4f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c @@ -0,0 +1,142 @@ +/* + * 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/instmem.h> + +#include <nvif/class.h> + +static int +nv17_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 * 64; + + 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 + 0x14, 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_done(ramfc); + return 0; +} + +static const struct nvkm_chan_func_ramfc +nv17_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 }, + { 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 }, + { 32, 0, 0x20, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE }, + { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP }, + { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT }, + { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_SEMAPHORE }, + { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE }, + {} + }, + .write = nv17_chan_ramfc_write, + .clear = nv04_chan_ramfc_clear, + .ctxdma = true, +}; + +static const struct nvkm_chan_func +nv17_chan = { + .inst = &nv04_chan_inst, + .userd = &nv04_chan_userd, + .ramfc = &nv17_chan_ramfc, + .start = nv04_chan_start, + .stop = nv04_chan_stop, +}; + +static void +nv17_fifo_init(struct nvkm_fifo *fifo) +{ + struct nvkm_device *device = fifo->engine.subdev.device; + 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, NV04_PFIFO_DELAY_0, 0x000000ff); + nvkm_wr32(device, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff); + + 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); + nvkm_wr32(device, NV03_PFIFO_RAMFC, nvkm_memory_addr(ramfc) >> 8 | + 0x00010000); + + 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 +nv17_fifo = { + .chid_nr = nv10_fifo_chid_nr, + .chid_ctor = nv04_fifo_chid_ctor, + .runl_ctor = nv04_fifo_runl_ctor, + .init = nv17_fifo_init, + .intr = nv04_fifo_intr, + .pause = nv04_fifo_pause, + .start = nv04_fifo_start, + .runl = &nv04_runl, + .engn = &nv04_engn, + .engn_sw = &nv04_engn, + .cgrp = {{ }, &nv04_cgrp }, + .chan = {{ 0, 0, NV17_CHANNEL_DMA }, &nv17_chan }, +}; + +int +nv17_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + return nvkm_fifo_new_(&nv17_fifo, device, type, inst, pfifo); +} |