xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/clk/g84.c (revision 8c749ce93ee69e789e46b3be98de9e0cbfcf8ed8)
1 /*
2  * Copyright 2013 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 <bskeggs@redhat.com>
23  */
24 #include "nv50.h"
25 
26 static const struct nvkm_clk_func
27 g84_clk = {
28 	.read = nv50_clk_read,
29 	.calc = nv50_clk_calc,
30 	.prog = nv50_clk_prog,
31 	.tidy = nv50_clk_tidy,
32 	.domains = {
33 		{ nv_clk_src_crystal, 0xff },
34 		{ nv_clk_src_href   , 0xff },
35 		{ nv_clk_src_core   , 0xff, 0, "core", 1000 },
36 		{ nv_clk_src_shader , 0xff, 0, "shader", 1000 },
37 		{ nv_clk_src_mem    , 0xff, 0, "memory", 1000 },
38 		{ nv_clk_src_vdec   , 0xff },
39 		{ nv_clk_src_max }
40 	}
41 };
42 
43 int
44 g84_clk_new(struct nvkm_device *device, int index, struct nvkm_clk **pclk)
45 {
46 	return nv50_clk_new_(&g84_clk, device, index,
47 			     (device->chipset >= 0x94), pclk);
48 }
49