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
23  */
24 #include "gf100.h"
25 
26 const struct nvkm_specsrc
27 gf100_pbfb_sources[] = {
28 	{ 0x10f100, (const struct nvkm_specmux[]) {
29 			{ 0x1, 0, "unk0" },
30 			{ 0x3f, 4, "unk4" },
31 			{}
32 		}, "pbfb_broadcast_pm_unk100" },
33 	{}
34 };
35 
36 const struct nvkm_specsrc
37 gf100_pmfb_sources[] = {
38 	{ 0x140028, (const struct nvkm_specmux[]) {
39 			{ 0x3fff, 0, "unk0" },
40 			{ 0x7, 16, "unk16" },
41 			{ 0x3, 24, "unk24" },
42 			{ 0x2, 29, "unk29" },
43 			{}
44 		}, "pmfb0_pm_unk28" },
45 	{}
46 };
47 
48 static const struct nvkm_specsrc
49 gf100_l1_sources[] = {
50 	{ 0x5044a8, (const struct nvkm_specmux[]) {
51 			{ 0x3f, 0, "sel", true },
52 			{}
53 		}, "pgraph_gpc0_tpc0_l1_pm_mux" },
54 	{}
55 };
56 
57 static const struct nvkm_specsrc
58 gf100_tex_sources[] = {
59 	{ 0x5042c0, (const struct nvkm_specmux[]) {
60 			{ 0xf, 0, "sel0", true },
61 			{ 0x7, 8, "sel1", true },
62 			{}
63 		}, "pgraph_gpc0_tpc0_tex_pm_mux_c_d" },
64 	{}
65 };
66 
67 static const struct nvkm_specsrc
68 gf100_unk400_sources[] = {
69 	{ 0x50440c, (const struct nvkm_specmux[]) {
70 			{ 0x3f, 0, "sel", true },
71 			{}
72 		}, "pgraph_gpc0_tpc0_unk400_pm_mux" },
73 	{}
74 };
75 
76 static const struct nvkm_specdom
77 gf100_pm_hub[] = {
78 	{}
79 };
80 
81 const struct nvkm_specdom
82 gf100_pm_gpc[] = {
83 	{ 0xe0, (const struct nvkm_specsig[]) {
84 			{ 0x00, "gpc00_l1_00", gf100_l1_sources },
85 			{ 0x01, "gpc00_l1_01", gf100_l1_sources },
86 			{ 0x02, "gpc00_l1_02", gf100_l1_sources },
87 			{ 0x03, "gpc00_l1_03", gf100_l1_sources },
88 			{ 0x05, "gpc00_l1_04", gf100_l1_sources },
89 			{ 0x06, "gpc00_l1_05", gf100_l1_sources },
90 			{ 0x0a, "gpc00_tex_00", gf100_tex_sources },
91 			{ 0x0b, "gpc00_tex_01", gf100_tex_sources },
92 			{ 0x0c, "gpc00_tex_02", gf100_tex_sources },
93 			{ 0x0d, "gpc00_tex_03", gf100_tex_sources },
94 			{ 0x0e, "gpc00_tex_04", gf100_tex_sources },
95 			{ 0x0f, "gpc00_tex_05", gf100_tex_sources },
96 			{ 0x10, "gpc00_tex_06", gf100_tex_sources },
97 			{ 0x11, "gpc00_tex_07", gf100_tex_sources },
98 			{ 0x12, "gpc00_tex_08", gf100_tex_sources },
99 			{ 0x26, "gpc00_unk400_00", gf100_unk400_sources },
100 			{}
101 		}, &gf100_perfctr_func },
102 	{}
103 };
104 
105 static const struct nvkm_specdom
106 gf100_pm_part[] = {
107 	{ 0xe0, (const struct nvkm_specsig[]) {
108 			{ 0x0f, "part00_pbfb_00", gf100_pbfb_sources },
109 			{ 0x10, "part00_pbfb_01", gf100_pbfb_sources },
110 			{ 0x21, "part00_pmfb_00", gf100_pmfb_sources },
111 			{ 0x04, "part00_pmfb_01", gf100_pmfb_sources },
112 			{ 0x00, "part00_pmfb_02", gf100_pmfb_sources },
113 			{ 0x02, "part00_pmfb_03", gf100_pmfb_sources },
114 			{ 0x01, "part00_pmfb_04", gf100_pmfb_sources },
115 			{ 0x2e, "part00_pmfb_05", gf100_pmfb_sources },
116 			{ 0x2f, "part00_pmfb_06", gf100_pmfb_sources },
117 			{ 0x1b, "part00_pmfb_07", gf100_pmfb_sources },
118 			{ 0x1c, "part00_pmfb_08", gf100_pmfb_sources },
119 			{ 0x1d, "part00_pmfb_09", gf100_pmfb_sources },
120 			{ 0x1e, "part00_pmfb_0a", gf100_pmfb_sources },
121 			{ 0x1f, "part00_pmfb_0b", gf100_pmfb_sources },
122 			{}
123 		}, &gf100_perfctr_func },
124 	{}
125 };
126 
127 static void
128 gf100_perfctr_init(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
129 		   struct nvkm_perfctr *ctr)
130 {
131 	struct nvkm_device *device = pm->engine.subdev.device;
132 	u32 log = ctr->logic_op;
133 	u32 src = 0x00000000;
134 	int i;
135 
136 	for (i = 0; i < 4; i++)
137 		src |= ctr->signal[i] << (i * 8);
138 
139 	nvkm_wr32(device, dom->addr + 0x09c, 0x00040002 | (dom->mode << 3));
140 	nvkm_wr32(device, dom->addr + 0x100, 0x00000000);
141 	nvkm_wr32(device, dom->addr + 0x040 + (ctr->slot * 0x08), src);
142 	nvkm_wr32(device, dom->addr + 0x044 + (ctr->slot * 0x08), log);
143 }
144 
145 static void
146 gf100_perfctr_read(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
147 		   struct nvkm_perfctr *ctr)
148 {
149 	struct nvkm_device *device = pm->engine.subdev.device;
150 
151 	switch (ctr->slot) {
152 	case 0: ctr->ctr = nvkm_rd32(device, dom->addr + 0x08c); break;
153 	case 1: ctr->ctr = nvkm_rd32(device, dom->addr + 0x088); break;
154 	case 2: ctr->ctr = nvkm_rd32(device, dom->addr + 0x080); break;
155 	case 3: ctr->ctr = nvkm_rd32(device, dom->addr + 0x090); break;
156 	}
157 	dom->clk = nvkm_rd32(device, dom->addr + 0x070);
158 }
159 
160 static void
161 gf100_perfctr_next(struct nvkm_pm *pm, struct nvkm_perfdom *dom)
162 {
163 	struct nvkm_device *device = pm->engine.subdev.device;
164 	nvkm_wr32(device, dom->addr + 0x06c, dom->signal_nr - 0x40 + 0x27);
165 	nvkm_wr32(device, dom->addr + 0x0ec, 0x00000011);
166 }
167 
168 const struct nvkm_funcdom
169 gf100_perfctr_func = {
170 	.init = gf100_perfctr_init,
171 	.read = gf100_perfctr_read,
172 	.next = gf100_perfctr_next,
173 };
174 
175 static void
176 gf100_pm_fini(struct nvkm_pm *pm)
177 {
178 	struct nvkm_device *device = pm->engine.subdev.device;
179 	nvkm_mask(device, 0x000200, 0x10000000, 0x00000000);
180 	nvkm_mask(device, 0x000200, 0x10000000, 0x10000000);
181 }
182 
183 static const struct nvkm_pm_func
184 gf100_pm_ = {
185 	.fini = gf100_pm_fini,
186 };
187 
188 int
189 gf100_pm_new_(const struct gf100_pm_func *func, struct nvkm_device *device,
190 	      enum nvkm_subdev_type type, int inst, struct nvkm_pm **ppm)
191 {
192 	struct nvkm_pm *pm;
193 	u32 mask;
194 	int ret;
195 
196 	if (!(pm = *ppm = kzalloc(sizeof(*pm), GFP_KERNEL)))
197 		return -ENOMEM;
198 
199 	ret = nvkm_pm_ctor(&gf100_pm_, device, type, inst, pm);
200 	if (ret)
201 		return ret;
202 
203 	/* HUB */
204 	ret = nvkm_perfdom_new(pm, "hub", 0, 0x1b0000, 0, 0x200,
205 			       func->doms_hub);
206 	if (ret)
207 		return ret;
208 
209 	/* GPC */
210 	mask  = (1 << nvkm_rd32(device, 0x022430)) - 1;
211 	mask &= ~nvkm_rd32(device, 0x022504);
212 	mask &= ~nvkm_rd32(device, 0x022584);
213 
214 	ret = nvkm_perfdom_new(pm, "gpc", mask, 0x180000,
215 			       0x1000, 0x200, func->doms_gpc);
216 	if (ret)
217 		return ret;
218 
219 	/* PART */
220 	mask  = (1 << nvkm_rd32(device, 0x022438)) - 1;
221 	mask &= ~nvkm_rd32(device, 0x022548);
222 	mask &= ~nvkm_rd32(device, 0x0225c8);
223 
224 	ret = nvkm_perfdom_new(pm, "part", mask, 0x1a0000,
225 			       0x1000, 0x200, func->doms_part);
226 	if (ret)
227 		return ret;
228 
229 	return 0;
230 }
231 
232 static const struct gf100_pm_func
233 gf100_pm = {
234 	.doms_gpc = gf100_pm_gpc,
235 	.doms_hub = gf100_pm_hub,
236 	.doms_part = gf100_pm_part,
237 };
238 
239 int
240 gf100_pm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_pm **ppm)
241 {
242 	return gf100_pm_new_(&gf100_pm, device, type, inst, ppm);
243 }
244