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 "ctxgf100.h"
25 
26 #include <subdev/fb.h>
27 #include <subdev/mc.h>
28 
29 /*******************************************************************************
30  * PGRAPH context register lists
31  ******************************************************************************/
32 
33 static const struct gf100_gr_init
34 gf117_grctx_init_ds_0[] = {
35 	{ 0x405800,   1, 0x04, 0x0f8000bf },
36 	{ 0x405830,   1, 0x04, 0x02180324 },
37 	{ 0x405834,   1, 0x04, 0x08000000 },
38 	{ 0x405838,   1, 0x04, 0x00000000 },
39 	{ 0x405854,   1, 0x04, 0x00000000 },
40 	{ 0x405870,   4, 0x04, 0x00000001 },
41 	{ 0x405a00,   2, 0x04, 0x00000000 },
42 	{ 0x405a18,   1, 0x04, 0x00000000 },
43 	{}
44 };
45 
46 static const struct gf100_gr_init
47 gf117_grctx_init_pd_0[] = {
48 	{ 0x406020,   1, 0x04, 0x000103c1 },
49 	{ 0x406028,   4, 0x04, 0x00000001 },
50 	{ 0x4064a8,   1, 0x04, 0x00000000 },
51 	{ 0x4064ac,   1, 0x04, 0x00003fff },
52 	{ 0x4064b4,   3, 0x04, 0x00000000 },
53 	{ 0x4064c0,   1, 0x04, 0x801a0078 },
54 	{ 0x4064c4,   1, 0x04, 0x00c9ffff },
55 	{ 0x4064d0,   8, 0x04, 0x00000000 },
56 	{}
57 };
58 
59 static const struct gf100_gr_pack
60 gf117_grctx_pack_hub[] = {
61 	{ gf100_grctx_init_main_0 },
62 	{ gf119_grctx_init_fe_0 },
63 	{ gf100_grctx_init_pri_0 },
64 	{ gf100_grctx_init_memfmt_0 },
65 	{ gf117_grctx_init_ds_0 },
66 	{ gf117_grctx_init_pd_0 },
67 	{ gf100_grctx_init_rstr2d_0 },
68 	{ gf100_grctx_init_scc_0 },
69 	{ gf119_grctx_init_be_0 },
70 	{}
71 };
72 
73 static const struct gf100_gr_init
74 gf117_grctx_init_setup_0[] = {
75 	{ 0x418800,   1, 0x04, 0x7006860a },
76 	{ 0x418808,   3, 0x04, 0x00000000 },
77 	{ 0x418828,   1, 0x04, 0x00008442 },
78 	{ 0x418830,   1, 0x04, 0x10000001 },
79 	{ 0x4188d8,   1, 0x04, 0x00000008 },
80 	{ 0x4188e0,   1, 0x04, 0x01000000 },
81 	{ 0x4188e8,   5, 0x04, 0x00000000 },
82 	{ 0x4188fc,   1, 0x04, 0x20100018 },
83 	{}
84 };
85 
86 static const struct gf100_gr_pack
87 gf117_grctx_pack_gpc_0[] = {
88 	{ gf100_grctx_init_gpc_unk_0 },
89 	{ gf119_grctx_init_prop_0 },
90 	{ gf119_grctx_init_gpc_unk_1 },
91 	{ gf117_grctx_init_setup_0 },
92 	{ gf100_grctx_init_zcull_0 },
93 	{}
94 };
95 
96 const struct gf100_gr_pack
97 gf117_grctx_pack_gpc_1[] = {
98 	{ gf119_grctx_init_crstr_0 },
99 	{ gf108_grctx_init_gpm_0 },
100 	{ gf100_grctx_init_gcc_0 },
101 	{}
102 };
103 
104 const struct gf100_gr_init
105 gf117_grctx_init_pe_0[] = {
106 	{ 0x419848,   1, 0x04, 0x00000000 },
107 	{ 0x419864,   1, 0x04, 0x00000129 },
108 	{ 0x419888,   1, 0x04, 0x00000000 },
109 	{}
110 };
111 
112 static const struct gf100_gr_init
113 gf117_grctx_init_tex_0[] = {
114 	{ 0x419a00,   1, 0x04, 0x000001f0 },
115 	{ 0x419a04,   1, 0x04, 0x00000001 },
116 	{ 0x419a08,   1, 0x04, 0x00000023 },
117 	{ 0x419a0c,   1, 0x04, 0x00020000 },
118 	{ 0x419a10,   1, 0x04, 0x00000000 },
119 	{ 0x419a14,   1, 0x04, 0x00000200 },
120 	{ 0x419a1c,   1, 0x04, 0x00008000 },
121 	{ 0x419a20,   1, 0x04, 0x00000800 },
122 	{ 0x419ac4,   1, 0x04, 0x0017f440 },
123 	{}
124 };
125 
126 static const struct gf100_gr_init
127 gf117_grctx_init_mpc_0[] = {
128 	{ 0x419c00,   1, 0x04, 0x0000000a },
129 	{ 0x419c04,   1, 0x04, 0x00000006 },
130 	{ 0x419c08,   1, 0x04, 0x00000002 },
131 	{ 0x419c20,   1, 0x04, 0x00000000 },
132 	{ 0x419c24,   1, 0x04, 0x00084210 },
133 	{ 0x419c28,   1, 0x04, 0x3efbefbe },
134 	{}
135 };
136 
137 static const struct gf100_gr_pack
138 gf117_grctx_pack_tpc[] = {
139 	{ gf117_grctx_init_pe_0 },
140 	{ gf117_grctx_init_tex_0 },
141 	{ gf117_grctx_init_mpc_0 },
142 	{ gf104_grctx_init_l1c_0 },
143 	{ gf119_grctx_init_sm_0 },
144 	{}
145 };
146 
147 static const struct gf100_gr_init
148 gf117_grctx_init_pes_0[] = {
149 	{ 0x41be24,   1, 0x04, 0x00000002 },
150 	{}
151 };
152 
153 static const struct gf100_gr_init
154 gf117_grctx_init_cbm_0[] = {
155 	{ 0x41bec0,   1, 0x04, 0x12180000 },
156 	{ 0x41bec4,   1, 0x04, 0x00003fff },
157 	{ 0x41bee4,   1, 0x04, 0x03240218 },
158 	{}
159 };
160 
161 const struct gf100_gr_init
162 gf117_grctx_init_wwdx_0[] = {
163 	{ 0x41bf00,   1, 0x04, 0x0a418820 },
164 	{ 0x41bf04,   1, 0x04, 0x062080e6 },
165 	{ 0x41bf08,   1, 0x04, 0x020398a4 },
166 	{ 0x41bf0c,   1, 0x04, 0x0e629062 },
167 	{ 0x41bf10,   1, 0x04, 0x0a418820 },
168 	{ 0x41bf14,   1, 0x04, 0x000000e6 },
169 	{ 0x41bfd0,   1, 0x04, 0x00900103 },
170 	{ 0x41bfe0,   1, 0x04, 0x00400001 },
171 	{ 0x41bfe4,   1, 0x04, 0x00000000 },
172 	{}
173 };
174 
175 static const struct gf100_gr_pack
176 gf117_grctx_pack_ppc[] = {
177 	{ gf117_grctx_init_pes_0 },
178 	{ gf117_grctx_init_cbm_0 },
179 	{ gf117_grctx_init_wwdx_0 },
180 	{}
181 };
182 
183 /*******************************************************************************
184  * PGRAPH context implementation
185  ******************************************************************************/
186 
187 void
188 gf117_grctx_generate_dist_skip_table(struct gf100_gr *gr)
189 {
190 	struct nvkm_device *device = gr->base.engine.subdev.device;
191 	int i;
192 
193 	for (i = 0; i < 8; i++)
194 		nvkm_wr32(device, 0x4064d0 + (i * 0x04), 0x00000000);
195 }
196 
197 void
198 gf117_grctx_generate_rop_mapping(struct gf100_gr *gr)
199 {
200 	struct nvkm_device *device = gr->base.engine.subdev.device;
201 	u32 data[6] = {}, data2[2] = {};
202 	u8  shift, ntpcv;
203 	int i;
204 
205 	/* Pack tile map into register format. */
206 	for (i = 0; i < 32; i++)
207 		data[i / 6] |= (gr->tile[i] & 0x07) << ((i % 6) * 5);
208 
209 	/* Magic. */
210 	shift = 0;
211 	ntpcv = gr->tpc_total;
212 	while (!(ntpcv & (1 << 4))) {
213 		ntpcv <<= 1;
214 		shift++;
215 	}
216 
217 	data2[0]  = (ntpcv << 16);
218 	data2[0] |= (shift << 21);
219 	data2[0] |= (((1 << (0 + 5)) % ntpcv) << 24);
220 	for (i = 1; i < 7; i++)
221 		data2[1] |= ((1 << (i + 5)) % ntpcv) << ((i - 1) * 5);
222 
223 	/* GPC_BROADCAST */
224 	nvkm_wr32(device, 0x418bb8, (gr->tpc_total << 8) |
225 				     gr->screen_tile_row_offset);
226 	for (i = 0; i < 6; i++)
227 		nvkm_wr32(device, 0x418b08 + (i * 4), data[i]);
228 
229 	/* GPC_BROADCAST.TP_BROADCAST */
230 	nvkm_wr32(device, 0x41bfd0, (gr->tpc_total << 8) |
231 				     gr->screen_tile_row_offset | data2[0]);
232 	nvkm_wr32(device, 0x41bfe4, data2[1]);
233 	for (i = 0; i < 6; i++)
234 		nvkm_wr32(device, 0x41bf00 + (i * 4), data[i]);
235 
236 	/* UNK78xx */
237 	nvkm_wr32(device, 0x4078bc, (gr->tpc_total << 8) |
238 				     gr->screen_tile_row_offset);
239 	for (i = 0; i < 6; i++)
240 		nvkm_wr32(device, 0x40780c + (i * 4), data[i]);
241 }
242 
243 void
244 gf117_grctx_generate_attrib(struct gf100_grctx *info)
245 {
246 	struct gf100_gr *gr = info->gr;
247 	const struct gf100_grctx_func *grctx = gr->func->grctx;
248 	const u32  alpha = grctx->alpha_nr;
249 	const u32   beta = grctx->attrib_nr;
250 	const u32   size = 0x20 * (grctx->attrib_nr_max + grctx->alpha_nr_max);
251 	const int s = 12;
252 	const int b = mmio_vram(info, size * gr->tpc_total, (1 << s), false);
253 	const int timeslice_mode = 1;
254 	const int max_batches = 0xffff;
255 	u32 bo = 0;
256 	u32 ao = bo + grctx->attrib_nr_max * gr->tpc_total;
257 	int gpc, ppc;
258 
259 	mmio_refn(info, 0x418810, 0x80000000, s, b);
260 	mmio_refn(info, 0x419848, 0x10000000, s, b);
261 	mmio_wr32(info, 0x405830, (beta << 16) | alpha);
262 	mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches);
263 
264 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
265 		for (ppc = 0; ppc < gr->ppc_nr[gpc]; ppc++) {
266 			const u32 a = alpha * gr->ppc_tpc_nr[gpc][ppc];
267 			const u32 b =  beta * gr->ppc_tpc_nr[gpc][ppc];
268 			const u32 t = timeslice_mode;
269 			const u32 o = PPC_UNIT(gpc, ppc, 0);
270 			if (!(gr->ppc_mask[gpc] & (1 << ppc)))
271 				continue;
272 			mmio_skip(info, o + 0xc0, (t << 28) | (b << 16) | ++bo);
273 			mmio_wr32(info, o + 0xc0, (t << 28) | (b << 16) | --bo);
274 			bo += grctx->attrib_nr_max * gr->ppc_tpc_nr[gpc][ppc];
275 			mmio_wr32(info, o + 0xe4, (a << 16) | ao);
276 			ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
277 		}
278 	}
279 }
280 
281 const struct gf100_grctx_func
282 gf117_grctx = {
283 	.main  = gf100_grctx_generate_main,
284 	.unkn  = gk104_grctx_generate_unkn,
285 	.hub   = gf117_grctx_pack_hub,
286 	.gpc_0 = gf117_grctx_pack_gpc_0,
287 	.gpc_1 = gf117_grctx_pack_gpc_1,
288 	.zcull = gf100_grctx_pack_zcull,
289 	.tpc   = gf117_grctx_pack_tpc,
290 	.ppc   = gf117_grctx_pack_ppc,
291 	.icmd  = gf119_grctx_pack_icmd,
292 	.mthd  = gf119_grctx_pack_mthd,
293 	.bundle = gf100_grctx_generate_bundle,
294 	.bundle_size = 0x1800,
295 	.pagepool = gf100_grctx_generate_pagepool,
296 	.pagepool_size = 0x8000,
297 	.attrib = gf117_grctx_generate_attrib,
298 	.attrib_nr_max = 0x324,
299 	.attrib_nr = 0x218,
300 	.alpha_nr_max = 0x7ff,
301 	.alpha_nr = 0x324,
302 	.sm_id = gf100_grctx_generate_sm_id,
303 	.tpc_nr = gf100_grctx_generate_tpc_nr,
304 	.r4060a8 = gf100_grctx_generate_r4060a8,
305 	.rop_mapping = gf117_grctx_generate_rop_mapping,
306 	.alpha_beta_tables = gf100_grctx_generate_alpha_beta_tables,
307 	.max_ways_evict = gf100_grctx_generate_max_ways_evict,
308 	.dist_skip_table = gf117_grctx_generate_dist_skip_table,
309 	.r419cb8 = gf100_grctx_generate_r419cb8,
310 };
311