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path: root/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c447
1 files changed, 447 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
new file mode 100644
index 000000000000..f6292cd9207c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
@@ -0,0 +1,447 @@
+/*
+ * Copyright 2013 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include <subdev/bios.h>
+#include <subdev/bios/bit.h>
+#include <subdev/bios/pll.h>
+#include <subdev/bios/rammap.h>
+#include <subdev/bios/timing.h>
+
+#include <subdev/clock/nva3.h>
+#include <subdev/clock/pll.h>
+
+#include <core/option.h>
+
+#include "ramfuc.h"
+
+#include "nv50.h"
+
+struct nva3_ramfuc {
+ struct ramfuc base;
+ struct ramfuc_reg r_0x004000;
+ struct ramfuc_reg r_0x004004;
+ struct ramfuc_reg r_0x004018;
+ struct ramfuc_reg r_0x004128;
+ struct ramfuc_reg r_0x004168;
+ struct ramfuc_reg r_0x100200;
+ struct ramfuc_reg r_0x100210;
+ struct ramfuc_reg r_0x100220[9];
+ struct ramfuc_reg r_0x1002d0;
+ struct ramfuc_reg r_0x1002d4;
+ struct ramfuc_reg r_0x1002dc;
+ struct ramfuc_reg r_0x10053c;
+ struct ramfuc_reg r_0x1005a0;
+ struct ramfuc_reg r_0x1005a4;
+ struct ramfuc_reg r_0x100714;
+ struct ramfuc_reg r_0x100718;
+ struct ramfuc_reg r_0x10071c;
+ struct ramfuc_reg r_0x100760;
+ struct ramfuc_reg r_0x1007a0;
+ struct ramfuc_reg r_0x1007e0;
+ struct ramfuc_reg r_0x10f804;
+ struct ramfuc_reg r_0x1110e0;
+ struct ramfuc_reg r_0x111100;
+ struct ramfuc_reg r_0x111104;
+ struct ramfuc_reg r_0x611200;
+ struct ramfuc_reg r_mr[4];
+};
+
+struct nva3_ram {
+ struct nouveau_ram base;
+ struct nva3_ramfuc fuc;
+};
+
+static int
+nva3_ram_calc(struct nouveau_fb *pfb, u32 freq)
+{
+ struct nouveau_bios *bios = nouveau_bios(pfb);
+ struct nva3_ram *ram = (void *)pfb->ram;
+ struct nva3_ramfuc *fuc = &ram->fuc;
+ struct nva3_clock_info mclk;
+ struct bit_entry M;
+ u8 ver, cnt, strap;
+ u32 data;
+ struct {
+ u32 data;
+ u8 size;
+ } rammap, ramcfg, timing;
+ u32 r004018, r100760, ctrl;
+ u32 unk714, unk718, unk71c;
+ int ret;
+
+ /* lookup memory config data relevant to the target frequency */
+ rammap.data = nvbios_rammap_match(bios, freq / 1000, &ver, &rammap.size,
+ &cnt, &ramcfg.size);
+ if (!rammap.data || ver != 0x10 || rammap.size < 0x0e) {
+ nv_error(pfb, "invalid/missing rammap entry\n");
+ return -EINVAL;
+ }
+
+ /* locate specific data set for the attached memory */
+ if (bit_entry(bios, 'M', &M) || M.version != 2 || M.length < 3) {
+ nv_error(pfb, "invalid/missing memory table\n");
+ return -EINVAL;
+ }
+
+ strap = (nv_rd32(pfb, 0x101000) & 0x0000003c) >> 2;
+ data = nv_ro16(bios, M.offset + 1);
+ if (data)
+ strap = nv_ro08(bios, data + strap);
+
+ if (strap >= cnt) {
+ nv_error(pfb, "invalid ramcfg strap\n");
+ return -EINVAL;
+ }
+
+ ramcfg.data = rammap.data + rammap.size + (strap * ramcfg.size);
+ if (!ramcfg.data || ver != 0x10 || ramcfg.size < 0x0e) {
+ nv_error(pfb, "invalid/missing ramcfg entry\n");
+ return -EINVAL;
+ }
+
+ /* lookup memory timings, if bios says they're present */
+ strap = nv_ro08(bios, ramcfg.data + 0x01);
+ if (strap != 0xff) {
+ timing.data = nvbios_timing_entry(bios, strap, &ver,
+ &timing.size);
+ if (!timing.data || ver != 0x10 || timing.size < 0x19) {
+ nv_error(pfb, "invalid/missing timing entry\n");
+ return -EINVAL;
+ }
+ } else {
+ timing.data = 0;
+ }
+
+ ret = nva3_clock_info(nouveau_clock(pfb), 0x12, 0x4000, freq, &mclk);
+ if (ret < 0) {
+ nv_error(pfb, "failed mclk calculation\n");
+ return ret;
+ }
+
+ ret = ram_init(fuc, pfb);
+ if (ret)
+ return ret;
+
+ /* XXX: where the fuck does 750MHz come from? */
+ if (freq <= 750000) {
+ r004018 = 0x10000000;
+ r100760 = 0x22222222;
+ } else {
+ r004018 = 0x00000000;
+ r100760 = 0x00000000;
+ }
+
+ ctrl = ram_rd32(fuc, 0x004000);
+ if (ctrl & 0x00000008) {
+ if (mclk.pll) {
+ ram_mask(fuc, 0x004128, 0x00000101, 0x00000101);
+ ram_wr32(fuc, 0x004004, mclk.pll);
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000001));
+ ram_wr32(fuc, 0x004000, (ctrl &= 0xffffffef));
+ ram_wait(fuc, 0x004000, 0x00020000, 0x00020000, 64000);
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000010));
+ ram_wr32(fuc, 0x004018, 0x00005000 | r004018);
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000004));
+ }
+ } else {
+ u32 ssel = 0x00000101;
+ if (mclk.clk)
+ ssel |= mclk.clk;
+ else
+ ssel |= 0x00080000; /* 324MHz, shouldn't matter... */
+ ram_mask(fuc, 0x004168, 0x003f3141, ctrl);
+ }
+
+ if ( (nv_ro08(bios, ramcfg.data + 0x02) & 0x10)) {
+ ram_mask(fuc, 0x111104, 0x00000600, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x111100, 0x40000000, 0x40000000);
+ ram_mask(fuc, 0x111104, 0x00000180, 0x00000000);
+ }
+
+ if (!(nv_ro08(bios, rammap.data + 0x04) & 0x02))
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000000);
+ ram_wr32(fuc, 0x611200, 0x00003300);
+ if (!(nv_ro08(bios, ramcfg.data + 0x02) & 0x10))
+ ram_wr32(fuc, 0x111100, 0x4c020000); /*XXX*/
+
+ ram_wr32(fuc, 0x1002d4, 0x00000001);
+ ram_wr32(fuc, 0x1002d0, 0x00000001);
+ ram_wr32(fuc, 0x1002d0, 0x00000001);
+ ram_wr32(fuc, 0x100210, 0x00000000);
+ ram_wr32(fuc, 0x1002dc, 0x00000001);
+ ram_nsec(fuc, 2000);
+
+ ctrl = ram_rd32(fuc, 0x004000);
+ if (!(ctrl & 0x00000008) && mclk.pll) {
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000008));
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00088000);
+ ram_wr32(fuc, 0x004018, 0x00001000);
+ ram_wr32(fuc, 0x004000, (ctrl &= ~0x00000001));
+ ram_wr32(fuc, 0x004004, mclk.pll);
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000001));
+ udelay(64);
+ ram_wr32(fuc, 0x004018, 0x00005000 | r004018);
+ udelay(20);
+ } else
+ if (!mclk.pll) {
+ ram_mask(fuc, 0x004168, 0x003f3040, mclk.clk);
+ ram_wr32(fuc, 0x004000, (ctrl |= 0x00000008));
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00088000);
+ ram_wr32(fuc, 0x004018, 0x0000d000 | r004018);
+ }
+
+ if ( (nv_ro08(bios, rammap.data + 0x04) & 0x08)) {
+ u32 unk5a0 = (nv_ro16(bios, ramcfg.data + 0x05) << 8) |
+ nv_ro08(bios, ramcfg.data + 0x05);
+ u32 unk5a4 = (nv_ro16(bios, ramcfg.data + 0x07));
+ u32 unk804 = (nv_ro08(bios, ramcfg.data + 0x09) & 0xf0) << 16 |
+ (nv_ro08(bios, ramcfg.data + 0x03) & 0x0f) << 16 |
+ (nv_ro08(bios, ramcfg.data + 0x09) & 0x0f) |
+ 0x80000000;
+ ram_wr32(fuc, 0x1005a0, unk5a0);
+ ram_wr32(fuc, 0x1005a4, unk5a4);
+ ram_wr32(fuc, 0x10f804, unk804);
+ ram_mask(fuc, 0x10053c, 0x00001000, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x10053c, 0x00001000, 0x00001000);
+ ram_mask(fuc, 0x10f804, 0x80000000, 0x00000000);
+ ram_mask(fuc, 0x100760, 0x22222222, r100760);
+ ram_mask(fuc, 0x1007a0, 0x22222222, r100760);
+ ram_mask(fuc, 0x1007e0, 0x22222222, r100760);
+ }
+
+ if (mclk.pll) {
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00011000);
+ ram_wr32(fuc, 0x004000, (ctrl &= ~0x00000008));
+ }
+
+ /*XXX: LEAVE */
+ ram_wr32(fuc, 0x1002dc, 0x00000000);
+ ram_wr32(fuc, 0x1002d4, 0x00000001);
+ ram_wr32(fuc, 0x100210, 0x80000000);
+ ram_nsec(fuc, 1000);
+ ram_nsec(fuc, 1000);
+
+ ram_mask(fuc, mr[2], 0x00000000, 0x00000000);
+ ram_nsec(fuc, 1000);
+ ram_nuke(fuc, mr[0]);
+ ram_mask(fuc, mr[0], 0x00000000, 0x00000000);
+ ram_nsec(fuc, 1000);
+
+ ram_mask(fuc, 0x100220[3], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[1], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[6], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[7], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[2], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[4], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[5], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[0], 0x00000000, 0x00000000);
+ ram_mask(fuc, 0x100220[8], 0x00000000, 0x00000000);
+
+ data = (nv_ro08(bios, ramcfg.data + 0x02) & 0x08) ? 0x00000000 : 0x00001000;
+ ram_mask(fuc, 0x100200, 0x00001000, data);
+
+ unk714 = ram_rd32(fuc, 0x100714) & ~0xf0000010;
+ unk718 = ram_rd32(fuc, 0x100718) & ~0x00000100;
+ unk71c = ram_rd32(fuc, 0x10071c) & ~0x00000100;
+ if ( (nv_ro08(bios, ramcfg.data + 0x02) & 0x20))
+ unk714 |= 0xf0000000;
+ if (!(nv_ro08(bios, ramcfg.data + 0x02) & 0x04))
+ unk714 |= 0x00000010;
+ ram_wr32(fuc, 0x100714, unk714);
+
+ if (nv_ro08(bios, ramcfg.data + 0x02) & 0x01)
+ unk71c |= 0x00000100;
+ ram_wr32(fuc, 0x10071c, unk71c);
+
+ if (nv_ro08(bios, ramcfg.data + 0x02) & 0x02)
+ unk718 |= 0x00000100;
+ ram_wr32(fuc, 0x100718, unk718);
+
+ if (nv_ro08(bios, ramcfg.data + 0x02) & 0x10)
+ ram_wr32(fuc, 0x111100, 0x48000000); /*XXX*/
+
+ ram_mask(fuc, mr[0], 0x100, 0x100);
+ ram_nsec(fuc, 1000);
+ ram_mask(fuc, mr[0], 0x100, 0x000);
+ ram_nsec(fuc, 1000);
+
+ ram_nsec(fuc, 2000);
+ ram_nsec(fuc, 12000);
+
+ ram_wr32(fuc, 0x611200, 0x00003330);
+ if ( (nv_ro08(bios, rammap.data + 0x04) & 0x02))
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000800);
+ if ( (nv_ro08(bios, ramcfg.data + 0x02) & 0x10)) {
+ ram_mask(fuc, 0x111104, 0x00000180, 0x00000180);
+ ram_mask(fuc, 0x111100, 0x40000000, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x111104, 0x00000600, 0x00000600);
+ }
+
+ if (mclk.pll) {
+ ram_mask(fuc, 0x004168, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004168, 0x00000100, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x004000, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004128, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004128, 0x00000100, 0x00000000);
+ }
+
+ return 0;
+}
+
+static int
+nva3_ram_prog(struct nouveau_fb *pfb)
+{
+ struct nouveau_device *device = nv_device(pfb);
+ struct nva3_ram *ram = (void *)pfb->ram;
+ struct nva3_ramfuc *fuc = &ram->fuc;
+ ram_exec(fuc, nouveau_boolopt(device->cfgopt, "NvMemExec", false));
+ return 0;
+}
+
+static void
+nva3_ram_tidy(struct nouveau_fb *pfb)
+{
+ struct nva3_ram *ram = (void *)pfb->ram;
+ struct nva3_ramfuc *fuc = &ram->fuc;
+ ram_exec(fuc, false);
+}
+
+static int
+nva3_ram_init(struct nouveau_object *object)
+{
+ struct nouveau_fb *pfb = (void *)object->parent;
+ struct nva3_ram *ram = (void *)object;
+ int ret, i;
+
+ ret = nouveau_ram_init(&ram->base);
+ if (ret)
+ return ret;
+
+ /* prepare for ddr link training, and load training patterns */
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR3: {
+ static const u32 pattern[16] = {
+ 0xaaaaaaaa, 0xcccccccc, 0xdddddddd, 0xeeeeeeee,
+ 0x00000000, 0x11111111, 0x44444444, 0xdddddddd,
+ 0x33333333, 0x55555555, 0x77777777, 0x66666666,
+ 0x99999999, 0x88888888, 0xeeeeeeee, 0xbbbbbbbb,
+ };
+
+ nv_wr32(pfb, 0x100538, 0x10001ff6); /*XXX*/
+ nv_wr32(pfb, 0x1005a8, 0x0000ffff);
+ nv_mask(pfb, 0x10f800, 0x00000001, 0x00000001);
+ for (i = 0; i < 0x30; i++) {
+ nv_wr32(pfb, 0x10f8c0, (i << 8) | i);
+ nv_wr32(pfb, 0x10f8e0, (i << 8) | i);
+ nv_wr32(pfb, 0x10f900, pattern[i % 16]);
+ nv_wr32(pfb, 0x10f920, pattern[i % 16]);
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int
+nva3_ram_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 datasize,
+ struct nouveau_object **pobject)
+{
+ struct nva3_ram *ram;
+ int ret, i;
+
+ ret = nv50_ram_create(parent, engine, oclass, &ram);
+ *pobject = nv_object(ram);
+ if (ret)
+ return ret;
+
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR3:
+ ram->base.calc = nva3_ram_calc;
+ ram->base.prog = nva3_ram_prog;
+ ram->base.tidy = nva3_ram_tidy;
+ break;
+ default:
+ nv_warn(ram, "reclocking of this ram type unsupported\n");
+ return 0;
+ }
+
+ ram->fuc.r_0x004000 = ramfuc_reg(0x004000);
+ ram->fuc.r_0x004004 = ramfuc_reg(0x004004);
+ ram->fuc.r_0x004018 = ramfuc_reg(0x004018);
+ ram->fuc.r_0x004128 = ramfuc_reg(0x004128);
+ ram->fuc.r_0x004168 = ramfuc_reg(0x004168);
+ ram->fuc.r_0x100200 = ramfuc_reg(0x100200);
+ ram->fuc.r_0x100210 = ramfuc_reg(0x100210);
+ for (i = 0; i < 9; i++)
+ ram->fuc.r_0x100220[i] = ramfuc_reg(0x100220 + (i * 4));
+ ram->fuc.r_0x1002d0 = ramfuc_reg(0x1002d0);
+ ram->fuc.r_0x1002d4 = ramfuc_reg(0x1002d4);
+ ram->fuc.r_0x1002dc = ramfuc_reg(0x1002dc);
+ ram->fuc.r_0x10053c = ramfuc_reg(0x10053c);
+ ram->fuc.r_0x1005a0 = ramfuc_reg(0x1005a0);
+ ram->fuc.r_0x1005a4 = ramfuc_reg(0x1005a4);
+ ram->fuc.r_0x100714 = ramfuc_reg(0x100714);
+ ram->fuc.r_0x100718 = ramfuc_reg(0x100718);
+ ram->fuc.r_0x10071c = ramfuc_reg(0x10071c);
+ ram->fuc.r_0x100760 = ramfuc_reg(0x100760);
+ ram->fuc.r_0x1007a0 = ramfuc_reg(0x1007a0);
+ ram->fuc.r_0x1007e0 = ramfuc_reg(0x1007e0);
+ ram->fuc.r_0x10f804 = ramfuc_reg(0x10f804);
+ ram->fuc.r_0x1110e0 = ramfuc_reg(0x1110e0);
+ ram->fuc.r_0x111100 = ramfuc_reg(0x111100);
+ ram->fuc.r_0x111104 = ramfuc_reg(0x111104);
+ ram->fuc.r_0x611200 = ramfuc_reg(0x611200);
+
+ if (ram->base.ranks > 1) {
+ ram->fuc.r_mr[0] = ramfuc_reg2(0x1002c0, 0x1002c8);
+ ram->fuc.r_mr[1] = ramfuc_reg2(0x1002c4, 0x1002cc);
+ ram->fuc.r_mr[2] = ramfuc_reg2(0x1002e0, 0x1002e8);
+ ram->fuc.r_mr[3] = ramfuc_reg2(0x1002e4, 0x1002ec);
+ } else {
+ ram->fuc.r_mr[0] = ramfuc_reg(0x1002c0);
+ ram->fuc.r_mr[1] = ramfuc_reg(0x1002c4);
+ ram->fuc.r_mr[2] = ramfuc_reg(0x1002e0);
+ ram->fuc.r_mr[3] = ramfuc_reg(0x1002e4);
+ }
+
+ return 0;
+}
+
+struct nouveau_oclass
+nva3_ram_oclass = {
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nva3_ram_ctor,
+ .dtor = _nouveau_ram_dtor,
+ .init = nva3_ram_init,
+ .fini = _nouveau_ram_fini,
+ },
+};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.