1c39f472eSBen Skeggs /*
2c39f472eSBen Skeggs * Copyright 2014 Red Hat Inc.
3c39f472eSBen Skeggs *
4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"),
6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation
7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions:
10c39f472eSBen Skeggs *
11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in
12c39f472eSBen Skeggs * all copies or substantial portions of the Software.
13c39f472eSBen Skeggs *
14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21c39f472eSBen Skeggs *
22c39f472eSBen Skeggs * Authors: Ben Skeggs
23c39f472eSBen Skeggs */
242799bba6SBen Skeggs #include "priv.h"
25c39f472eSBen Skeggs
26c39f472eSBen Skeggs #include <subdev/fb.h>
27c39f472eSBen Skeggs #include <subdev/timer.h>
28c39f472eSBen Skeggs
297d2813c4SBen Skeggs void
gm107_ltc_cbc_clear(struct nvkm_ltc * ltc,u32 start,u32 limit)3070bc7182SBen Skeggs gm107_ltc_cbc_clear(struct nvkm_ltc *ltc, u32 start, u32 limit)
31c39f472eSBen Skeggs {
3270bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
3399336ed3SBen Skeggs nvkm_wr32(device, 0x17e270, start);
3499336ed3SBen Skeggs nvkm_wr32(device, 0x17e274, limit);
354fb9c3f3SBen Skeggs nvkm_mask(device, 0x17e26c, 0x00000000, 0x00000004);
36c39f472eSBen Skeggs }
37c39f472eSBen Skeggs
387d2813c4SBen Skeggs void
gm107_ltc_cbc_wait(struct nvkm_ltc * ltc)3970bc7182SBen Skeggs gm107_ltc_cbc_wait(struct nvkm_ltc *ltc)
40c39f472eSBen Skeggs {
4170bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
42c39f472eSBen Skeggs int c, s;
43c7750cfbSBen Skeggs for (c = 0; c < ltc->ltc_nr; c++) {
441302bcbbSBen Skeggs for (s = 0; s < ltc->lts_nr; s++) {
451302bcbbSBen Skeggs const u32 addr = 0x14046c + (c * 0x2000) + (s * 0x200);
46f0db6e3bSAlexandre Courbot nvkm_wait_msec(device, 2000, addr,
47f0db6e3bSAlexandre Courbot 0x00000004, 0x00000000);
481302bcbbSBen Skeggs }
49c39f472eSBen Skeggs }
50c39f472eSBen Skeggs }
51c39f472eSBen Skeggs
527d2813c4SBen Skeggs void
gm107_ltc_zbc_clear_color(struct nvkm_ltc * ltc,int i,const u32 color[4])5370bc7182SBen Skeggs gm107_ltc_zbc_clear_color(struct nvkm_ltc *ltc, int i, const u32 color[4])
54c39f472eSBen Skeggs {
5570bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
5699336ed3SBen Skeggs nvkm_mask(device, 0x17e338, 0x0000000f, i);
5799336ed3SBen Skeggs nvkm_wr32(device, 0x17e33c, color[0]);
5899336ed3SBen Skeggs nvkm_wr32(device, 0x17e340, color[1]);
5999336ed3SBen Skeggs nvkm_wr32(device, 0x17e344, color[2]);
6099336ed3SBen Skeggs nvkm_wr32(device, 0x17e348, color[3]);
61c39f472eSBen Skeggs }
62c39f472eSBen Skeggs
637d2813c4SBen Skeggs void
gm107_ltc_zbc_clear_depth(struct nvkm_ltc * ltc,int i,const u32 depth)6470bc7182SBen Skeggs gm107_ltc_zbc_clear_depth(struct nvkm_ltc *ltc, int i, const u32 depth)
65c39f472eSBen Skeggs {
6670bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
6799336ed3SBen Skeggs nvkm_mask(device, 0x17e338, 0x0000000f, i);
6899336ed3SBen Skeggs nvkm_wr32(device, 0x17e34c, depth);
69c39f472eSBen Skeggs }
70c39f472eSBen Skeggs
71a96def39SBen Skeggs void
gm107_ltc_intr_lts(struct nvkm_ltc * ltc,int c,int s)729057c8d7SBen Skeggs gm107_ltc_intr_lts(struct nvkm_ltc *ltc, int c, int s)
73c39f472eSBen Skeggs {
7470bc7182SBen Skeggs struct nvkm_subdev *subdev = <c->subdev;
7559e1a2f1SBen Skeggs struct nvkm_device *device = subdev->device;
769057c8d7SBen Skeggs u32 base = 0x140400 + (c * 0x2000) + (s * 0x200);
7786b40432SBen Skeggs u32 intr = nvkm_rd32(device, base + 0x00c);
7886b40432SBen Skeggs u16 stat = intr & 0x0000ffff;
7986b40432SBen Skeggs char msg[128];
80c39f472eSBen Skeggs
81c39f472eSBen Skeggs if (stat) {
8286b40432SBen Skeggs nvkm_snprintbf(msg, sizeof(msg), gf100_ltc_lts_intr_name, stat);
8386b40432SBen Skeggs nvkm_error(subdev, "LTC%d_LTS%d: %08x [%s]\n", c, s, intr, msg);
84c39f472eSBen Skeggs }
8586b40432SBen Skeggs
8686b40432SBen Skeggs nvkm_wr32(device, base + 0x00c, intr);
87c39f472eSBen Skeggs }
88c39f472eSBen Skeggs
897d2813c4SBen Skeggs void
gm107_ltc_intr(struct nvkm_ltc * ltc)9070bc7182SBen Skeggs gm107_ltc_intr(struct nvkm_ltc *ltc)
91c39f472eSBen Skeggs {
9270bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
93c39f472eSBen Skeggs u32 mask;
94c39f472eSBen Skeggs
9599336ed3SBen Skeggs mask = nvkm_rd32(device, 0x00017c);
96c39f472eSBen Skeggs while (mask) {
97c7750cfbSBen Skeggs u32 s, c = __ffs(mask);
98c7750cfbSBen Skeggs for (s = 0; s < ltc->lts_nr; s++)
999057c8d7SBen Skeggs gm107_ltc_intr_lts(ltc, c, s);
100c7750cfbSBen Skeggs mask &= ~(1 << c);
101c39f472eSBen Skeggs }
102c39f472eSBen Skeggs }
103c39f472eSBen Skeggs
104c39f472eSBen Skeggs static int
gm107_ltc_oneinit(struct nvkm_ltc * ltc)10570bc7182SBen Skeggs gm107_ltc_oneinit(struct nvkm_ltc *ltc)
106c39f472eSBen Skeggs {
10770bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
10870bc7182SBen Skeggs const u32 parts = nvkm_rd32(device, 0x022438);
10970bc7182SBen Skeggs const u32 mask = nvkm_rd32(device, 0x021c14);
11070bc7182SBen Skeggs const u32 slice = nvkm_rd32(device, 0x17e280) >> 28;
11170bc7182SBen Skeggs int i;
112c39f472eSBen Skeggs
113c39f472eSBen Skeggs for (i = 0; i < parts; i++) {
114c39f472eSBen Skeggs if (!(mask & (1 << i)))
115c7750cfbSBen Skeggs ltc->ltc_nr++;
116c39f472eSBen Skeggs }
11770bc7182SBen Skeggs ltc->lts_nr = slice;
118c39f472eSBen Skeggs
11970bc7182SBen Skeggs return gf100_ltc_oneinit_tag_ram(ltc);
120c39f472eSBen Skeggs }
121c39f472eSBen Skeggs
12270bc7182SBen Skeggs static void
gm107_ltc_init(struct nvkm_ltc * ltc)12370bc7182SBen Skeggs gm107_ltc_init(struct nvkm_ltc *ltc)
12470bc7182SBen Skeggs {
12570bc7182SBen Skeggs struct nvkm_device *device = ltc->subdev.device;
12670bc7182SBen Skeggs u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001);
12770bc7182SBen Skeggs
12870bc7182SBen Skeggs nvkm_wr32(device, 0x17e27c, ltc->ltc_nr);
12970bc7182SBen Skeggs nvkm_wr32(device, 0x17e278, ltc->tag_base);
13070bc7182SBen Skeggs nvkm_mask(device, 0x17e264, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
13170bc7182SBen Skeggs }
13270bc7182SBen Skeggs
13370bc7182SBen Skeggs static const struct nvkm_ltc_func
13470bc7182SBen Skeggs gm107_ltc = {
13570bc7182SBen Skeggs .oneinit = gm107_ltc_oneinit,
136c39f472eSBen Skeggs .init = gm107_ltc_init,
137c39f472eSBen Skeggs .intr = gm107_ltc_intr,
138c39f472eSBen Skeggs .cbc_clear = gm107_ltc_cbc_clear,
139c39f472eSBen Skeggs .cbc_wait = gm107_ltc_cbc_wait,
140*4500031fSBen Skeggs .zbc_color = 16,
141*4500031fSBen Skeggs .zbc_depth = 16,
142c39f472eSBen Skeggs .zbc_clear_color = gm107_ltc_zbc_clear_color,
143c39f472eSBen Skeggs .zbc_clear_depth = gm107_ltc_zbc_clear_depth,
144a0a49bacSAlexandre Courbot .invalidate = gf100_ltc_invalidate,
145a0a49bacSAlexandre Courbot .flush = gf100_ltc_flush,
14670bc7182SBen Skeggs };
14770bc7182SBen Skeggs
14870bc7182SBen Skeggs int
gm107_ltc_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_ltc ** pltc)1490afc1c4cSBen Skeggs gm107_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
1500afc1c4cSBen Skeggs struct nvkm_ltc **pltc)
15170bc7182SBen Skeggs {
1520afc1c4cSBen Skeggs return nvkm_ltc_new_(&gm107_ltc, device, type, inst, pltc);
15370bc7182SBen Skeggs }
154