diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nva3_copy.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nva3_copy.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nva3_copy.c b/drivers/gpu/drm/nouveau/nva3_copy.c new file mode 100644 index 000000000000..b86820a61220 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nva3_copy.c @@ -0,0 +1,226 @@ +/* + * 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 "nva3_copy.fuc.h" + +struct nva3_copy_engine { + struct nouveau_exec_engine base; +}; + +static int +nva3_copy_context_new(struct nouveau_channel *chan, int 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; + + NV_DEBUG(dev, "ch%d\n", chan->id); + + ret = nouveau_gpuobj_new(dev, chan, 256, 0, NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, &ctx); + if (ret) + return ret; + + nv_wo32(ramin, 0xc0, 0x00190000); + nv_wo32(ramin, 0xc4, ctx->vinst + ctx->size - 1); + nv_wo32(ramin, 0xc8, ctx->vinst); + nv_wo32(ramin, 0xcc, 0x00000000); + nv_wo32(ramin, 0xd0, 0x00000000); + nv_wo32(ramin, 0xd4, 0x00000000); + dev_priv->engine.instmem.flush(dev); + + atomic_inc(&chan->vm->engref[engine]); + chan->engctx[engine] = ctx; + return 0; +} + +static int +nva3_copy_object_new(struct nouveau_channel *chan, int engine, + u32 handle, u16 class) +{ + struct nouveau_gpuobj *ctx = chan->engctx[engine]; + + /* fuc engine doesn't need an object, our ramht code does.. */ + ctx->engine = 3; + ctx->class = class; + return nouveau_ramht_insert(chan, handle, ctx); +} + +static void +nva3_copy_context_del(struct nouveau_channel *chan, int 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, 0x104048, 0x00000000); + /* mark channel as unloaded if it's currently active */ + if (nv_rd32(dev, 0x104050) == inst) + nv_mask(dev, 0x104050, 0x40000000, 0x00000000); + /* mark next channel as invalid if it's about to be loaded */ + if (nv_rd32(dev, 0x104054) == inst) + nv_mask(dev, 0x104054, 0x40000000, 0x00000000); + /* restore fifo access */ + nv_wr32(dev, 0x104048, 0x00000003); + + for (inst = 0xc0; inst <= 0xd4; inst += 4) + nv_wo32(chan->ramin, inst, 0x00000000); + + nouveau_gpuobj_ref(NULL, &ctx); + + atomic_dec(&chan->vm->engref[engine]); + chan->engctx[engine] = ctx; +} + +static void +nva3_copy_tlb_flush(struct drm_device *dev, int engine) +{ + nv50_vm_flush_engine(dev, 0x0d); +} + +static int +nva3_copy_init(struct drm_device *dev, int engine) +{ + int i; + + nv_mask(dev, 0x000200, 0x00002000, 0x00000000); + nv_mask(dev, 0x000200, 0x00002000, 0x00002000); + nv_wr32(dev, 0x104014, 0xffffffff); /* disable all interrupts */ + + /* upload ucode */ + nv_wr32(dev, 0x1041c0, 0x01000000); + for (i = 0; i < sizeof(nva3_pcopy_data) / 4; i++) + nv_wr32(dev, 0x1041c4, nva3_pcopy_data[i]); + + nv_wr32(dev, 0x104180, 0x01000000); + for (i = 0; i < sizeof(nva3_pcopy_code) / 4; i++) { + if ((i & 0x3f) == 0) + nv_wr32(dev, 0x104188, i >> 6); + nv_wr32(dev, 0x104184, nva3_pcopy_code[i]); + } + + /* start it running */ + nv_wr32(dev, 0x10410c, 0x00000000); + nv_wr32(dev, 0x104104, 0x00000000); /* ENTRY */ + nv_wr32(dev, 0x104100, 0x00000002); /* TRIGGER */ + return 0; +} + +static int +nva3_copy_fini(struct drm_device *dev, int engine) +{ + nv_mask(dev, 0x104048, 0x00000003, 0x00000000); + + /* trigger fuc context unload */ + nv_wait(dev, 0x104008, 0x0000000c, 0x00000000); + nv_mask(dev, 0x104054, 0x40000000, 0x00000000); + nv_wr32(dev, 0x104000, 0x00000008); + nv_wait(dev, 0x104008, 0x00000008, 0x00000000); + + nv_wr32(dev, 0x104014, 0xffffffff); + return 0; +} + +static struct nouveau_enum nva3_copy_isr_error_name[] = { + { 0x0001, "ILLEGAL_MTHD" }, + { 0x0002, "INVALID_ENUM" }, + { 0x0003, "INVALID_BITFIELD" }, + {} +}; + +static void +nva3_copy_isr(struct drm_device *dev) +{ + u32 dispatch = nv_rd32(dev, 0x10401c); + u32 stat = nv_rd32(dev, 0x104008) & dispatch & ~(dispatch >> 16); + u32 inst = nv_rd32(dev, 0x104050) & 0x3fffffff; + u32 ssta = nv_rd32(dev, 0x104040) & 0x0000ffff; + u32 addr = nv_rd32(dev, 0x104040) >> 16; + u32 mthd = (addr & 0x07ff) << 2; + u32 subc = (addr & 0x3800) >> 11; + u32 data = nv_rd32(dev, 0x104044); + int chid = nv50_graph_isr_chid(dev, inst); + + if (stat & 0x00000040) { + NV_INFO(dev, "PCOPY: DISPATCH_ERROR ["); + nouveau_enum_print(nva3_copy_isr_error_name, ssta); + printk("] ch %d [0x%08x] subc %d mthd 0x%04x data 0x%08x\n", + chid, inst, subc, mthd, data); + nv_wr32(dev, 0x104004, 0x00000040); + stat &= ~0x00000040; + } + + if (stat) { + NV_INFO(dev, "PCOPY: unhandled intr 0x%08x\n", stat); + nv_wr32(dev, 0x104004, stat); + } + nv50_fb_vm_trap(dev, 1); +} + +static void +nva3_copy_destroy(struct drm_device *dev, int engine) +{ + struct nva3_copy_engine *pcopy = nv_engine(dev, engine); + + nouveau_irq_unregister(dev, 22); + + NVOBJ_ENGINE_DEL(dev, COPY0); + kfree(pcopy); +} + +int +nva3_copy_create(struct drm_device *dev) +{ + struct nva3_copy_engine *pcopy; + + pcopy = kzalloc(sizeof(*pcopy), GFP_KERNEL); + if (!pcopy) + return -ENOMEM; + + pcopy->base.destroy = nva3_copy_destroy; + pcopy->base.init = nva3_copy_init; + pcopy->base.fini = nva3_copy_fini; + pcopy->base.context_new = nva3_copy_context_new; + pcopy->base.context_del = nva3_copy_context_del; + pcopy->base.object_new = nva3_copy_object_new; + pcopy->base.tlb_flush = nva3_copy_tlb_flush; + + nouveau_irq_register(dev, 22, nva3_copy_isr); + + NVOBJ_ENGINE_ADD(dev, COPY0, &pcopy->base); + NVOBJ_CLASS(dev, 0x85b5, COPY0); + return 0; +} |