2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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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.
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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27 #include <core/ramht.h>
28 #include <subdev/timer.h>
31 gf119_disp_dmac_bind(struct nv50_disp_dmac *chan,
32 struct nvkm_object *object, u32 handle)
34 return nvkm_ramht_insert(chan->base.root->ramht, object,
35 chan->base.chid, -9, handle,
36 chan->base.chid << 27 | 0x00000001);
40 gf119_disp_dmac_fini(struct nv50_disp_dmac *chan)
42 struct nv50_disp *disp = chan->base.root->disp;
43 struct nvkm_subdev *subdev = &disp->base.engine.subdev;
44 struct nvkm_device *device = subdev->device;
45 int chid = chan->base.chid;
47 /* deactivate channel */
48 nvkm_mask(device, 0x610490 + (chid * 0x0010), 0x00001010, 0x00001000);
49 nvkm_mask(device, 0x610490 + (chid * 0x0010), 0x00000003, 0x00000000);
50 if (nvkm_msec(device, 2000,
51 if (!(nvkm_rd32(device, 0x610490 + (chid * 0x10)) & 0x001e0000))
54 nvkm_error(subdev, "ch %d fini: %08x\n", chid,
55 nvkm_rd32(device, 0x610490 + (chid * 0x10)));
58 /* disable error reporting and completion notification */
59 nvkm_mask(device, 0x610090, 0x00000001 << chid, 0x00000000);
60 nvkm_mask(device, 0x6100a0, 0x00000001 << chid, 0x00000000);
64 gf119_disp_dmac_init(struct nv50_disp_dmac *chan)
66 struct nv50_disp *disp = chan->base.root->disp;
67 struct nvkm_subdev *subdev = &disp->base.engine.subdev;
68 struct nvkm_device *device = subdev->device;
69 int chid = chan->base.chid;
71 /* enable error reporting */
72 nvkm_mask(device, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid);
74 /* initialise channel for dma command submission */
75 nvkm_wr32(device, 0x610494 + (chid * 0x0010), chan->push);
76 nvkm_wr32(device, 0x610498 + (chid * 0x0010), 0x00010000);
77 nvkm_wr32(device, 0x61049c + (chid * 0x0010), 0x00000001);
78 nvkm_mask(device, 0x610490 + (chid * 0x0010), 0x00000010, 0x00000010);
79 nvkm_wr32(device, 0x640000 + (chid * 0x1000), 0x00000000);
80 nvkm_wr32(device, 0x610490 + (chid * 0x0010), 0x00000013);
82 /* wait for it to go inactive */
83 if (nvkm_msec(device, 2000,
84 if (!(nvkm_rd32(device, 0x610490 + (chid * 0x10)) & 0x80000000))
87 nvkm_error(subdev, "ch %d init: %08x\n", chid,
88 nvkm_rd32(device, 0x610490 + (chid * 0x10)));
95 const struct nv50_disp_dmac_func
96 gf119_disp_dmac_func = {
97 .init = gf119_disp_dmac_init,
98 .fini = gf119_disp_dmac_fini,
99 .bind = gf119_disp_dmac_bind,