diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_copy.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_copy.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_copy.c b/drivers/gpu/drm/nouveau/nvc0_copy.c new file mode 100644 index 00000000000..208fa7ab3f4 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvc0_copy.c @@ -0,0 +1,243 @@ +/* + * Copyright 2011 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 <linux/firmware.h> +#include "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_util.h" +#include "nouveau_vm.h" +#include "nouveau_ramht.h" +#include "nvc0_copy.fuc.h" + +struct nvc0_copy_engine { + struct nouveau_exec_engine base; + u32 irq; + u32 pmc; + u32 fuc; + u32 ctx; +}; + +static int +nvc0_copy_context_new(struct nouveau_channel *chan, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(chan->dev, engine); + struct drm_device *dev = chan->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *ramin = chan->ramin; + struct nouveau_gpuobj *ctx = NULL; + int ret; + + ret = nouveau_gpuobj_new(dev, NULL, 256, 256, + NVOBJ_FLAG_VM | NVOBJ_FLAG_VM_USER | + NVOBJ_FLAG_ZERO_ALLOC, &ctx); + if (ret) + return ret; + + nv_wo32(ramin, pcopy->ctx + 0, lower_32_bits(ctx->vinst)); + nv_wo32(ramin, pcopy->ctx + 4, upper_32_bits(ctx->vinst)); + dev_priv->engine.instmem.flush(dev); + + chan->engctx[engine] = ctx; + return 0; +} + +static int +nvc0_copy_object_new(struct nouveau_channel *chan, int engine, + u32 handle, u16 class) +{ + return 0; +} + +static void +nvc0_copy_context_del(struct nouveau_channel *chan, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(chan->dev, engine); + struct nouveau_gpuobj *ctx = chan->engctx[engine]; + struct drm_device *dev = chan->dev; + u32 inst; + + inst = (chan->ramin->vinst >> 12); + inst |= 0x40000000; + + /* disable fifo access */ + nv_wr32(dev, pcopy->fuc + 0x048, 0x00000000); + /* mark channel as unloaded if it's currently active */ + if (nv_rd32(dev, pcopy->fuc + 0x050) == inst) + nv_mask(dev, pcopy->fuc + 0x050, 0x40000000, 0x00000000); + /* mark next channel as invalid if it's about to be loaded */ + if (nv_rd32(dev, pcopy->fuc + 0x054) == inst) + nv_mask(dev, pcopy->fuc + 0x054, 0x40000000, 0x00000000); + /* restore fifo access */ + nv_wr32(dev, pcopy->fuc + 0x048, 0x00000003); + + nv_wo32(chan->ramin, pcopy->ctx + 0, 0x00000000); + nv_wo32(chan->ramin, pcopy->ctx + 4, 0x00000000); + nouveau_gpuobj_ref(NULL, &ctx); + + chan->engctx[engine] = ctx; +} + +static int +nvc0_copy_init(struct drm_device *dev, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(dev, engine); + int i; + + nv_mask(dev, 0x000200, pcopy->pmc, 0x00000000); + nv_mask(dev, 0x000200, pcopy->pmc, pcopy->pmc); + nv_wr32(dev, pcopy->fuc + 0x014, 0xffffffff); + + nv_wr32(dev, pcopy->fuc + 0x1c0, 0x01000000); + for (i = 0; i < sizeof(nvc0_pcopy_data) / 4; i++) + nv_wr32(dev, pcopy->fuc + 0x1c4, nvc0_pcopy_data[i]); + + nv_wr32(dev, pcopy->fuc + 0x180, 0x01000000); + for (i = 0; i < sizeof(nvc0_pcopy_code) / 4; i++) { + if ((i & 0x3f) == 0) + nv_wr32(dev, pcopy->fuc + 0x188, i >> 6); + nv_wr32(dev, pcopy->fuc + 0x184, nvc0_pcopy_code[i]); + } + + nv_wr32(dev, pcopy->fuc + 0x084, engine - NVOBJ_ENGINE_COPY0); + nv_wr32(dev, pcopy->fuc + 0x10c, 0x00000000); + nv_wr32(dev, pcopy->fuc + 0x104, 0x00000000); /* ENTRY */ + nv_wr32(dev, pcopy->fuc + 0x100, 0x00000002); /* TRIGGER */ + return 0; +} + +static int +nvc0_copy_fini(struct drm_device *dev, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(dev, engine); + + nv_mask(dev, pcopy->fuc + 0x048, 0x00000003, 0x00000000); + + /* trigger fuc context unload */ + nv_wait(dev, pcopy->fuc + 0x008, 0x0000000c, 0x00000000); + nv_mask(dev, pcopy->fuc + 0x054, 0x40000000, 0x00000000); + nv_wr32(dev, pcopy->fuc + 0x000, 0x00000008); + nv_wait(dev, pcopy->fuc + 0x008, 0x00000008, 0x00000000); + + nv_wr32(dev, pcopy->fuc + 0x014, 0xffffffff); + return 0; +} + +static struct nouveau_enum nvc0_copy_isr_error_name[] = { + { 0x0001, "ILLEGAL_MTHD" }, + { 0x0002, "INVALID_ENUM" }, + { 0x0003, "INVALID_BITFIELD" }, + {} +}; + +static void +nvc0_copy_isr(struct drm_device *dev, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(dev, engine); + u32 disp = nv_rd32(dev, pcopy->fuc + 0x01c); + u32 stat = nv_rd32(dev, pcopy->fuc + 0x008) & disp & ~(disp >> 16); + u64 inst = (u64)(nv_rd32(dev, pcopy->fuc + 0x050) & 0x0fffffff) << 12; + u32 chid = nvc0_graph_isr_chid(dev, inst); + u32 ssta = nv_rd32(dev, pcopy->fuc + 0x040) & 0x0000ffff; + u32 addr = nv_rd32(dev, pcopy->fuc + 0x040) >> 16; + u32 mthd = (addr & 0x07ff) << 2; + u32 subc = (addr & 0x3800) >> 11; + u32 data = nv_rd32(dev, pcopy->fuc + 0x044); + + if (stat & 0x00000040) { + NV_INFO(dev, "PCOPY: DISPATCH_ERROR ["); + nouveau_enum_print(nvc0_copy_isr_error_name, ssta); + printk("] ch %d [0x%010llx] subc %d mthd 0x%04x data 0x%08x\n", + chid, inst, subc, mthd, data); + nv_wr32(dev, pcopy->fuc + 0x004, 0x00000040); + stat &= ~0x00000040; + } + + if (stat) { + NV_INFO(dev, "PCOPY: unhandled intr 0x%08x\n", stat); + nv_wr32(dev, pcopy->fuc + 0x004, stat); + } +} + +static void +nvc0_copy_isr_0(struct drm_device *dev) +{ + nvc0_copy_isr(dev, NVOBJ_ENGINE_COPY0); +} + +static void +nvc0_copy_isr_1(struct drm_device *dev) +{ + nvc0_copy_isr(dev, NVOBJ_ENGINE_COPY1); +} + +static void +nvc0_copy_destroy(struct drm_device *dev, int engine) +{ + struct nvc0_copy_engine *pcopy = nv_engine(dev, engine); + + nouveau_irq_unregister(dev, pcopy->irq); + + if (engine == NVOBJ_ENGINE_COPY0) + NVOBJ_ENGINE_DEL(dev, COPY0); + else + NVOBJ_ENGINE_DEL(dev, COPY1); + kfree(pcopy); +} + +int +nvc0_copy_create(struct drm_device *dev, int engine) +{ + struct nvc0_copy_engine *pcopy; + + pcopy = kzalloc(sizeof(*pcopy), GFP_KERNEL); + if (!pcopy) + return -ENOMEM; + + pcopy->base.destroy = nvc0_copy_destroy; + pcopy->base.init = nvc0_copy_init; + pcopy->base.fini = nvc0_copy_fini; + pcopy->base.context_new = nvc0_copy_context_new; + pcopy->base.context_del = nvc0_copy_context_del; + pcopy->base.object_new = nvc0_copy_object_new; + + if (engine == 0) { + pcopy->irq = 5; + pcopy->pmc = 0x00000040; + pcopy->fuc = 0x104000; + pcopy->ctx = 0x0230; + nouveau_irq_register(dev, pcopy->irq, nvc0_copy_isr_0); + NVOBJ_ENGINE_ADD(dev, COPY0, &pcopy->base); + NVOBJ_CLASS(dev, 0x90b5, COPY0); + } else { + pcopy->irq = 6; + pcopy->pmc = 0x00000080; + pcopy->fuc = 0x105000; + pcopy->ctx = 0x0240; + nouveau_irq_register(dev, pcopy->irq, nvc0_copy_isr_1); + NVOBJ_ENGINE_ADD(dev, COPY1, &pcopy->base); + NVOBJ_CLASS(dev, 0x90b8, COPY1); + } + + return 0; +} |