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 | 128 |
1 files changed, 128 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..2d61fd832 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c @@ -0,0 +1,128 @@ +/* + * 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 "nv04.h" +#include "channv04.h" +#include "regsnv04.h" + +#include <core/ramht.h> +#include <subdev/fb.h> +#include <subdev/instmem.h> + +static const struct nv04_fifo_ramfc +nv40_fifo_ramfc[] = { + { 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 }, + {} +}; + +static void +nv40_fifo_init(struct nvkm_fifo *base) +{ + struct nv04_fifo *fifo = nv04_fifo(base); + struct nvkm_device *device = fifo->base.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->base.nr - 1); + + 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 = { + .init = nv40_fifo_init, + .intr = nv04_fifo_intr, + .pause = nv04_fifo_pause, + .start = nv04_fifo_start, + .chan = { + &nv40_fifo_dma_oclass, + NULL + }, +}; + +int +nv40_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo) +{ + return nv04_fifo_new_(&nv40_fifo, device, index, 32, + nv40_fifo_ramfc, pfifo); +} |