1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Ben Skeggs
23 */
24
25 #include <core/client.h>
26 #include <nvif/unpack.h>
27 #include <nvif/class.h>
28
29 #include <subdev/timer.h>
30
31 #include "nv50.h"
32
33 int
nvd0_hda_eld(NV50_DISP_MTHD_V1)34 nvd0_hda_eld(NV50_DISP_MTHD_V1)
35 {
36 union {
37 struct nv50_disp_sor_hda_eld_v0 v0;
38 } *args = data;
39 const u32 soff = outp->or * 0x030;
40 const u32 hoff = head * 0x800;
41 int ret, i;
42
43 nv_ioctl(object, "disp sor hda eld size %d\n", size);
44 if (nvif_unpack(args->v0, 0, 0, true)) {
45 nv_ioctl(object, "disp sor hda eld vers %d\n", args->v0.version);
46 if (size > 0x60)
47 return -E2BIG;
48 } else
49 return ret;
50
51 if (size && args->v0.data[0]) {
52 if (outp->info.type == DCB_OUTPUT_DP) {
53 nv_mask(priv, 0x616618 + hoff, 0x8000000c, 0x80000001);
54 nv_wait(priv, 0x616618 + hoff, 0x80000000, 0x00000000);
55 }
56 nv_mask(priv, 0x616548 + hoff, 0x00000070, 0x00000000);
57 for (i = 0; i < size; i++)
58 nv_wr32(priv, 0x10ec00 + soff, (i << 8) | args->v0.data[i]);
59 for (; i < 0x60; i++)
60 nv_wr32(priv, 0x10ec00 + soff, (i << 8));
61 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003);
62 } else {
63 if (outp->info.type == DCB_OUTPUT_DP) {
64 nv_mask(priv, 0x616618 + hoff, 0x80000001, 0x80000000);
65 nv_wait(priv, 0x616618 + hoff, 0x80000000, 0x00000000);
66 }
67 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000 | !!size);
68 }
69
70 return 0;
71 }
72