/* * 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 "drmP.h" #include "nouveau_drv.h" #include "nouveau_ramht.h" struct nv84_mpeg_engine { struct nouveau_exec_engine base; }; static int nv84_mpeg_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, 128 * 4, 0, NVOBJ_FLAG_ZERO_ALLOC | NVOBJ_FLAG_ZERO_FREE, &ctx); if (ret) return ret; nv_wo32(ramin, 0x60, 0x80190002); nv_wo32(ramin, 0x64, ctx->vinst + ctx->size - 1); nv_wo32(ramin, 0x68, ctx->vinst); nv_wo32(ramin, 0x6c, 0); nv_wo32(ramin, 0x70, 0); nv_wo32(ramin, 0x74, 0x00010000); nv_wo32(ctx, 0x70, 0x00801ec1); nv_wo32(ctx, 0x7c, 0x0000037c); dev_priv->engine.instmem.flush(dev); chan->engctx[engine] = ctx; return 0; } static void nv84_mpeg_context_del(struct nouveau_channel *chan, int engine) { struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_gpuobj *ctx = chan->engctx[engine]; struct drm_device *dev = chan->dev; unsigned long flags; u32 inst, i; if (!chan->ramin) return; inst = chan->ramin->vinst >> 12; inst |= 0x80000000; spin_lock_irqsave(&dev_priv->context_switch_lock, flags); nv_mask(dev, 0x00b32c, 0x00000001, 0x00000000); if (nv_rd32(dev, 0x00b318) == inst) nv_mask(dev, 0x00b318, 0x80000000, 0x00000000); nv_mask(dev, 0x00b32c, 0x00000001, 0x00000001); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); for (i = 0x60; i <= 0x74; i += 4) nv_wo32(chan->ramin, i, 0x00000000); nouveau_gpuobj_ref(NULL, &ctx); chan->engctx[engine] = NULL; } static int nv84_mpeg_object_new(struct nouveau_channel *chan, int engine, u32 handle, u16 class) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_gpuobj *obj = NULL; int ret; ret = nouveau_gpuobj_new(dev, chan, 16, 16, NVOBJ_FLAG_ZERO_FREE, &obj); if (ret) return ret; obj->engine = 2; obj->class = class; nv_wo32(obj, 0x00, class); nv_wo32(obj, 0x04, 0x00000000); nv_wo32(obj, 0x08, 0x00000000); nv_wo32(obj, 0x0c, 0x00000000); dev_priv->engine.instmem.flush(dev); ret = nouveau_ramht_insert(chan, handle, obj); nouveau_gpuobj_ref(NULL, &obj); return ret; } static void nv84_mpeg_tlb_flush(struct drm_device *dev, int engine) { nv50_vm_flush_engine(dev, 0x08); } static int nv84_mpeg_init(struct drm_device *dev, int engine) { nv_wr32(dev, 0x00b32c, 0x00000000); nv_wr32(dev, 0x00b314, 0x00000100); nv_wr32(dev, 0x00b0e0, 0x0000001a); nv_wr32(dev, 0x00b220, 0x00000044); nv_wr32(dev, 0x00b300, 0x00801ec1); nv_wr32(dev, 0x00b390, 0x00000000); nv_wr32(dev, 0x00b394, 0x00000000); nv_wr32(dev, 0x00b398, 0x00000000); nv_mask(dev, 0x00b32c, 0x00000001, 0x00000001); nv_wr32(dev, 0x00b100, 0xffffffff); nv_wr32(dev, 0x00b140, 0xffffffff); if (!nv_wait(dev, 0x00b200, 0x00000001, 0x00000000)) { NV_ERROR(dev, "PMPEG init: 0x%08x\n", nv_rd32(dev, 0x00b200)); return -EBUSY; } return 0; } static int nv84_mpeg_fini(struct drm_device *dev, int engine) { /*XXX: context save for s/r */ nv_mask(dev, 0x00b32c, 0x00000001, 0x00000000); nv_wr32(dev, 0x00b140, 0x00000000); return 0; } static void nv84_mpeg_isr(struct drm_device *dev) { u32 stat = nv_rd32(dev, 0x00b100); u32 type = nv_rd32(dev, 0x00b230); u32 mthd = nv_rd32(dev, 0x00b234); u32 data = nv_rd32(dev, 0x00b238); u32 show = stat; if (stat & 0x01000000) { /* happens on initial binding of the object */ if (type == 0x00000020 && mthd == 0x0000) { nv_wr32(dev, 0x00b308, 0x00000100); show &= ~0x01000000; } } if (show && nouveau_ratelimit()) { NV_INFO(dev, "PMPEG - 0x%08x 0x%08x 0x%08x 0x%08x\n", stat, type, mthd, data); } nv_wr32(dev, 0x00b100, stat); nv_wr32(dev, 0x00b230, 0x00000001); nv50_fb_vm_trap(dev, 1); } static void nv84_mpeg_destroy(struct drm_device *dev, int engine) { struct nv84_mpeg_engine *pmpeg = nv_engine(dev, engine); nouveau_irq_unregister(dev, 0); NVOBJ_ENGINE_DEL(dev, MPEG); kfree(pmpeg); } int nv84_mpeg_create(struct drm_device *dev) { struct nv84_mpeg_engine *pmpeg; pmpeg = kzalloc(sizeof(*pmpeg), GFP_KERNEL); if (!pmpeg) return -ENOMEM; pmpeg->base.destroy = nv84_mpeg_destroy; pmpeg->base.init = nv84_mpeg_init; pmpeg->base.fini = nv84_mpeg_fini; pmpeg->base.context_new = nv84_mpeg_context_new; pmpeg->base.context_del = nv84_mpeg_context_del; pmpeg->base.object_new = nv84_mpeg_object_new; pmpeg->base.tlb_flush = nv84_mpeg_tlb_flush; nouveau_irq_register(dev, 0, nv84_mpeg_isr); NVOBJ_ENGINE_ADD(dev, MPEG, &pmpeg->base); NVOBJ_CLASS(dev, 0x8274, MPEG); return 0; }