diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c | 103 |
1 files changed, 50 insertions, 53 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c index dd6196072e9..d4e7ec0ba68 100644 --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c @@ -31,66 +31,63 @@ #include <subdev/instmem.h> #include <engine/mpeg.h> -#include <engine/graph/nv40.h> - -struct nv40_mpeg_priv { - struct nouveau_mpeg base; -}; - -struct nv40_mpeg_chan { - struct nouveau_mpeg_chan base; -}; +#include <engine/mpeg/nv31.h> /******************************************************************************* - * PMPEG context + * MPEG object classes ******************************************************************************/ static int -nv40_mpeg_context_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) +nv40_mpeg_mthd_dma(struct nouveau_object *object, u32 mthd, void *arg, u32 len) { - struct nv40_mpeg_chan *chan; - int ret; - - ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, - 264 * 4, 16, - NVOBJ_FLAG_ZERO_ALLOC, &chan); - *pobject = nv_object(chan); - if (ret) - return ret; + struct nouveau_instmem *imem = nouveau_instmem(object); + struct nv31_mpeg_priv *priv = (void *)object->engine; + u32 inst = *(u32 *)arg << 4; + u32 dma0 = nv_ro32(imem, inst + 0); + u32 dma1 = nv_ro32(imem, inst + 4); + u32 dma2 = nv_ro32(imem, inst + 8); + u32 base = (dma2 & 0xfffff000) | (dma0 >> 20); + u32 size = dma1 + 1; + + /* only allow linear DMA objects */ + if (!(dma0 & 0x00002000)) + return -EINVAL; + + if (mthd == 0x0190) { + /* DMA_CMD */ + nv_mask(priv, 0x00b300, 0x00030000, (dma0 & 0x00030000)); + nv_wr32(priv, 0x00b334, base); + nv_wr32(priv, 0x00b324, size); + } else + if (mthd == 0x01a0) { + /* DMA_DATA */ + nv_mask(priv, 0x00b300, 0x000c0000, (dma0 & 0x00030000) << 2); + nv_wr32(priv, 0x00b360, base); + nv_wr32(priv, 0x00b364, size); + } else { + /* DMA_IMAGE, VRAM only */ + if (dma0 & 0x00030000) + return -EINVAL; + + nv_wr32(priv, 0x00b370, base); + nv_wr32(priv, 0x00b374, size); + } - nv_wo32(&chan->base.base, 0x78, 0x02001ec1); return 0; } -static int -nv40_mpeg_context_fini(struct nouveau_object *object, bool suspend) -{ - - struct nv40_mpeg_priv *priv = (void *)object->engine; - struct nv40_mpeg_chan *chan = (void *)object; - u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4; - - nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000); - if (nv_rd32(priv, 0x00b318) == inst) - nv_mask(priv, 0x00b318, 0x80000000, 0x00000000); - nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); - return 0; -} +static struct nouveau_omthds +nv40_mpeg_omthds[] = { + { 0x0190, 0x0190, nv40_mpeg_mthd_dma }, + { 0x01a0, 0x01a0, nv40_mpeg_mthd_dma }, + { 0x01b0, 0x01b0, nv40_mpeg_mthd_dma }, + {} +}; -static struct nouveau_oclass -nv40_mpeg_cclass = { - .handle = NV_ENGCTX(MPEG, 0x40), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv40_mpeg_context_ctor, - .dtor = _nouveau_mpeg_context_dtor, - .init = _nouveau_mpeg_context_init, - .fini = nv40_mpeg_context_fini, - .rd32 = _nouveau_mpeg_context_rd32, - .wr32 = _nouveau_mpeg_context_wr32, - }, +struct nouveau_oclass +nv40_mpeg_sclass[] = { + { 0x3174, &nv31_mpeg_ofuncs, nv40_mpeg_omthds }, + {} }; /******************************************************************************* @@ -100,7 +97,7 @@ nv40_mpeg_cclass = { static void nv40_mpeg_intr(struct nouveau_subdev *subdev) { - struct nv40_mpeg_priv *priv = (void *)subdev; + struct nv31_mpeg_priv *priv = (void *)subdev; u32 stat; if ((stat = nv_rd32(priv, 0x00b100))) @@ -117,7 +114,7 @@ nv40_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_object **pobject) { - struct nv40_mpeg_priv *priv; + struct nv31_mpeg_priv *priv; int ret; ret = nouveau_mpeg_create(parent, engine, oclass, &priv); @@ -127,8 +124,8 @@ nv40_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_subdev(priv)->unit = 0x00000002; nv_subdev(priv)->intr = nv40_mpeg_intr; - nv_engine(priv)->cclass = &nv40_mpeg_cclass; - nv_engine(priv)->sclass = nv31_mpeg_sclass; + nv_engine(priv)->cclass = &nv31_mpeg_cclass; + nv_engine(priv)->sclass = nv40_mpeg_sclass; nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; return 0; } |