154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
/*
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* Copyright 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "priv.h"
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#include <subdev/fb.h>
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#include <subdev/timer.h>
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void
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gm107_ltc_cbc_clear(struct nvkm_ltc *ltc, u32 start, u32 limit)
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{
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struct nvkm_device *device = ltc->subdev.device;
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nvkm_wr32(device, 0x17e270, start);
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nvkm_wr32(device, 0x17e274, limit);
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nvkm_mask(device, 0x17e26c, 0x00000000, 0x00000004);
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}
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void
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gm107_ltc_cbc_wait(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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int c, s;
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for (c = 0; c < ltc->ltc_nr; c++) {
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for (s = 0; s < ltc->lts_nr; s++) {
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const u32 addr = 0x14046c + (c * 0x2000) + (s * 0x200);
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nvkm_wait_msec(device, 2000, addr,
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0x00000004, 0x00000000);
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}
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}
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}
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void
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gm107_ltc_zbc_clear_color(struct nvkm_ltc *ltc, int i, const u32 color[4])
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{
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struct nvkm_device *device = ltc->subdev.device;
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nvkm_mask(device, 0x17e338, 0x0000000f, i);
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nvkm_wr32(device, 0x17e33c, color[0]);
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nvkm_wr32(device, 0x17e340, color[1]);
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nvkm_wr32(device, 0x17e344, color[2]);
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nvkm_wr32(device, 0x17e348, color[3]);
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}
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void
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gm107_ltc_zbc_clear_depth(struct nvkm_ltc *ltc, int i, const u32 depth)
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{
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struct nvkm_device *device = ltc->subdev.device;
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nvkm_mask(device, 0x17e338, 0x0000000f, i);
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nvkm_wr32(device, 0x17e34c, depth);
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}
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void
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gm107_ltc_intr_lts(struct nvkm_ltc *ltc, int c, int s)
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{
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struct nvkm_subdev *subdev = <c->subdev;
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struct nvkm_device *device = subdev->device;
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u32 base = 0x140400 + (c * 0x2000) + (s * 0x200);
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u32 intr = nvkm_rd32(device, base + 0x00c);
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u16 stat = intr & 0x0000ffff;
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char msg[128];
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if (stat) {
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nvkm_snprintbf(msg, sizeof(msg), gf100_ltc_lts_intr_name, stat);
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nvkm_error(subdev, "LTC%d_LTS%d: %08x [%s]\n", c, s, intr, msg);
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}
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nvkm_wr32(device, base + 0x00c, intr);
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}
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void
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gm107_ltc_intr(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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u32 mask;
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mask = nvkm_rd32(device, 0x00017c);
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while (mask) {
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u32 s, c = __ffs(mask);
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for (s = 0; s < ltc->lts_nr; s++)
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gm107_ltc_intr_lts(ltc, c, s);
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mask &= ~(1 << c);
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}
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}
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static int
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gm107_ltc_oneinit(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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const u32 parts = nvkm_rd32(device, 0x022438);
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const u32 mask = nvkm_rd32(device, 0x021c14);
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const u32 slice = nvkm_rd32(device, 0x17e280) >> 28;
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int i;
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for (i = 0; i < parts; i++) {
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if (!(mask & (1 << i)))
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ltc->ltc_nr++;
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}
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ltc->lts_nr = slice;
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return gf100_ltc_oneinit_tag_ram(ltc);
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}
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static void
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gm107_ltc_init(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001);
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nvkm_wr32(device, 0x17e27c, ltc->ltc_nr);
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nvkm_wr32(device, 0x17e278, ltc->tag_base);
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nvkm_mask(device, 0x17e264, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
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}
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static const struct nvkm_ltc_func
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gm107_ltc = {
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.oneinit = gm107_ltc_oneinit,
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.init = gm107_ltc_init,
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.intr = gm107_ltc_intr,
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.cbc_clear = gm107_ltc_cbc_clear,
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.cbc_wait = gm107_ltc_cbc_wait,
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.zbc_color = 16,
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.zbc_depth = 16,
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.zbc_clear_color = gm107_ltc_zbc_clear_color,
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.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
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.invalidate = gf100_ltc_invalidate,
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.flush = gf100_ltc_flush,
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};
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int
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gm107_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_ltc **pltc)
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{
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return nvkm_ltc_new_(&gm107_ltc, device, type, inst, pltc);
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}
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