1 /*
2 * Copyright 2018 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: Lyude Paul
23 */
24 #include <core/device.h>
25
26 #include "priv.h"
27
28 #define pack_for_each_init(init, pack, head) \
29 for (pack = head; pack && pack->init; pack++) \
30 for (init = pack->init; init && init->count; init++)
31 void
32 gf100_clkgate_init(struct nvkm_therm *therm,
33 const struct nvkm_therm_clkgate_pack *p)
34 {
35 struct nvkm_device *device = therm->subdev.device;
36 const struct nvkm_therm_clkgate_pack *pack;
37 const struct nvkm_therm_clkgate_init *init;
38 u32 next, addr;
39
40 pack_for_each_init(init, pack, p) {
41 next = init->addr + init->count * 8;
42 addr = init->addr;
43
44 nvkm_trace(&therm->subdev, "{ 0x%06x, %d, 0x%08x }\n",
45 init->addr, init->count, init->data);
46 while (addr < next) {
47 nvkm_trace(&therm->subdev, "\t0x%06x = 0x%08x\n",
48 addr, init->data);
49 nvkm_wr32(device, addr, init->data);
50 addr += 8;
51 }
52 }
53 }
54
55 /*
56 * TODO: Fermi clockgating isn't understood fully yet, so we don't specify any
57 * clockgate functions to use
58 */