2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include <subdev/instmem.h>
28 #include <nvif/class.h>
31 nv40_mpeg_mthd_dma(struct nvkm_device *device, u32 mthd, u32 data)
33 struct nvkm_instmem *imem = device->imem;
35 u32 dma0 = nvkm_instmem_rd32(imem, inst + 0);
36 u32 dma1 = nvkm_instmem_rd32(imem, inst + 4);
37 u32 dma2 = nvkm_instmem_rd32(imem, inst + 8);
38 u32 base = (dma2 & 0xfffff000) | (dma0 >> 20);
41 /* only allow linear DMA objects */
42 if (!(dma0 & 0x00002000))
47 nvkm_mask(device, 0x00b300, 0x00030000, (dma0 & 0x00030000));
48 nvkm_wr32(device, 0x00b334, base);
49 nvkm_wr32(device, 0x00b324, size);
53 nvkm_mask(device, 0x00b300, 0x000c0000, (dma0 & 0x00030000) << 2);
54 nvkm_wr32(device, 0x00b360, base);
55 nvkm_wr32(device, 0x00b364, size);
57 /* DMA_IMAGE, VRAM only */
58 if (dma0 & 0x00030000)
61 nvkm_wr32(device, 0x00b370, base);
62 nvkm_wr32(device, 0x00b374, size);
69 nv40_mpeg_intr(struct nvkm_subdev *subdev)
71 struct nv31_mpeg *mpeg = (void *)subdev;
72 struct nvkm_device *device = mpeg->base.engine.subdev.device;
75 if ((stat = nvkm_rd32(device, 0x00b100)))
76 nv31_mpeg_intr(subdev);
78 if ((stat = nvkm_rd32(device, 0x00b800))) {
79 nvkm_error(subdev, "PMSRCH %08x\n", stat);
80 nvkm_wr32(device, 0x00b800, stat);
84 static const struct nvkm_engine_func
86 .fifo.cclass = nv31_mpeg_chan_new,
88 { -1, -1, NV31_MPEG, &nv31_mpeg_object },
94 nv40_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
95 struct nvkm_oclass *oclass, void *data, u32 size,
96 struct nvkm_object **pobject)
98 struct nv31_mpeg *mpeg;
101 ret = nvkm_mpeg_create(parent, engine, oclass, &mpeg);
102 *pobject = nv_object(mpeg);
106 mpeg->base.engine.func = &nv40_mpeg;
108 mpeg->mthd_dma = nv40_mpeg_mthd_dma;
109 nv_subdev(mpeg)->unit = 0x00000002;
110 nv_subdev(mpeg)->intr = nv40_mpeg_intr;
111 nv_engine(mpeg)->tile_prog = nv31_mpeg_tile_prog;
117 .handle = NV_ENGINE(MPEG, 0x40),
118 .ofuncs = &(struct nvkm_ofuncs) {
119 .ctor = nv40_mpeg_ctor,
120 .dtor = _nvkm_mpeg_dtor,
121 .init = nv31_mpeg_init,
122 .fini = _nvkm_mpeg_fini,