drm/nouveau/gr/gv100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 215 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgv100.c
new file mode 100644
index 000000000000..0990765ef191
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgv100.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2018 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.
+ */
+#include "ctxgf100.h"
+
+/*******************************************************************************
+ * PGRAPH context implementation
+ ******************************************************************************/
+
+static const struct gf100_gr_init
+gv100_grctx_init_sw_veid_bundle_init_0[] = {
+	{ 0x00001000, 64, 0x00100000, 0x00000008 },
+	{ 0x00000941, 64, 0x00100000, 0x00000000 },
+	{ 0x0000097e, 64, 0x00100000, 0x00000000 },
+	{ 0x0000097f, 64, 0x00100000, 0x00000100 },
+	{ 0x0000035c, 64, 0x00100000, 0x00000000 },
+	{ 0x0000035d, 64, 0x00100000, 0x00000000 },
+	{ 0x00000a08, 64, 0x00100000, 0x00000000 },
+	{ 0x00000a09, 64, 0x00100000, 0x00000000 },
+	{ 0x00000a0a, 64, 0x00100000, 0x00000000 },
+	{ 0x00000352, 64, 0x00100000, 0x00000000 },
+	{ 0x00000353, 64, 0x00100000, 0x00000000 },
+	{ 0x00000358, 64, 0x00100000, 0x00000000 },
+	{ 0x00000359, 64, 0x00100000, 0x00000000 },
+	{ 0x00000370, 64, 0x00100000, 0x00000000 },
+	{ 0x00000371, 64, 0x00100000, 0x00000000 },
+	{ 0x00000372, 64, 0x00100000, 0x000fffff },
+	{ 0x00000366, 64, 0x00100000, 0x00000000 },
+	{ 0x00000367, 64, 0x00100000, 0x00000000 },
+	{ 0x00000368, 64, 0x00100000, 0x00000fff },
+	{ 0x00000623, 64, 0x00100000, 0x00000000 },
+	{ 0x00000624, 64, 0x00100000, 0x00000000 },
+	{ 0x0001e100,  1, 0x00000001, 0x02000001 },
+	{}
+};
+
+static const struct gf100_gr_pack
+gv100_grctx_pack_sw_veid_bundle_init[] = {
+	{ gv100_grctx_init_sw_veid_bundle_init_0 },
+	{}
+};
+
+static void
+gv100_grctx_generate_attrib(struct gf100_grctx *info)
+{
+	struct gf100_gr *gr = info->gr;
+	const struct gf100_grctx_func *grctx = gr->func->grctx;
+	const u32  alpha = grctx->alpha_nr;
+	const u32 attrib = grctx->attrib_nr;
+	const u32   gfxp = grctx->gfxp_nr;
+	const int s = 12;
+	const int max_batches = 0xffff;
+	u32 size = grctx->alpha_nr_max * gr->tpc_total;
+	u32 ao = 0;
+	u32 bo = ao + size;
+	int gpc, ppc, b, n = 0;
+
+	size += grctx->gfxp_nr * gr->tpc_total;
+	size = ((size * 0x20) + 128) & ~127;
+	b = mmio_vram(info, size, (1 << s), false);
+
+	mmio_refn(info, 0x418810, 0x80000000, s, b);
+	mmio_refn(info, 0x419848, 0x10000000, s, b);
+	mmio_refn(info, 0x419c2c, 0x10000000, s, b);
+	mmio_refn(info, 0x419e00, 0x00000000, s, b);
+	mmio_wr32(info, 0x419e04, 0x80000000 | size >> 7);
+	mmio_wr32(info, 0x405830, attrib);
+	mmio_wr32(info, 0x40585c, alpha);
+	mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches);
+
+	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
+		for (ppc = 0; ppc < gr->ppc_nr[gpc]; ppc++, n++) {
+			const u32 as =  alpha * gr->ppc_tpc_nr[gpc][ppc];
+			const u32 bs = attrib * gr->ppc_tpc_nr[gpc][ppc];
+			const u32 gs =   gfxp * gr->ppc_tpc_nr[gpc][ppc];
+			const u32 u = 0x418ea0 + (n * 0x04);
+			const u32 o = PPC_UNIT(gpc, ppc, 0);
+			if (!(gr->ppc_mask[gpc] & (1 << ppc)))
+				continue;
+			mmio_wr32(info, o + 0xc0, gs);
+			mmio_wr32(info, o + 0xf4, bo);
+			mmio_wr32(info, o + 0xf0, bs);
+			bo += gs;
+			mmio_wr32(info, o + 0xe4, as);
+			mmio_wr32(info, o + 0xf8, ao);
+			ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
+			mmio_wr32(info, u, bs);
+		}
+	}
+
+	mmio_wr32(info, 0x4181e4, 0x00000100);
+	mmio_wr32(info, 0x41befc, 0x00000100);
+}
+
+static void
+gv100_grctx_generate_rop_mapping(struct gf100_gr *gr)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	u32 data;
+	int i, j;
+
+	/* Pack tile map into register format. */
+	nvkm_wr32(device, 0x418bb8, (gr->tpc_total << 8) |
+				     gr->screen_tile_row_offset);
+	for (i = 0; i < 11; i++) {
+		for (data = 0, j = 0; j < 6; j++)
+			data |= (gr->tile[i * 6 + j] & 0x1f) << (j * 5);
+		nvkm_wr32(device, 0x418b08 + (i * 4), data);
+		nvkm_wr32(device, 0x41bf00 + (i * 4), data);
+		nvkm_wr32(device, 0x40780c + (i * 4), data);
+	}
+
+	/* GPC_BROADCAST.TP_BROADCAST */
+	nvkm_wr32(device, 0x41bfd0, (gr->tpc_total << 8) |
+				     gr->screen_tile_row_offset);
+	for (i = 0, j = 1; i < 5; i++, j += 4) {
+		u8 v19 = (1 << (j + 0)) % gr->tpc_total;
+		u8 v20 = (1 << (j + 1)) % gr->tpc_total;
+		u8 v21 = (1 << (j + 2)) % gr->tpc_total;
+		u8 v22 = (1 << (j + 3)) % gr->tpc_total;
+		nvkm_wr32(device, 0x41bfb0 + (i * 4), (v22 << 24) |
+						      (v21 << 16) |
+						      (v20 <<  8) |
+						       v19);
+	}
+
+	/* UNK78xx */
+	nvkm_wr32(device, 0x4078bc, (gr->tpc_total << 8) |
+				     gr->screen_tile_row_offset);
+}
+
+static void
+gv100_grctx_generate_r400088(struct gf100_gr *gr, bool on)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	nvkm_mask(device, 0x400088, 0x00060000, on ? 0x00060000 : 0x00000000);
+}
+
+static void
+gv100_grctx_generate_sm_id(struct gf100_gr *gr, int gpc, int tpc, int sm)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x608), sm);
+	nvkm_wr32(device, GPC_UNIT(gpc, 0x0c10 + tpc * 4), sm);
+	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x088), sm);
+}
+
+static void
+gv100_grctx_generate_unkn(struct gf100_gr *gr)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	nvkm_mask(device, 0x41980c, 0x00000010, 0x00000010);
+	nvkm_mask(device, 0x41be08, 0x00000004, 0x00000004);
+	nvkm_mask(device, 0x4064c0, 0x80000000, 0x80000000);
+	nvkm_mask(device, 0x405800, 0x08000000, 0x08000000);
+	nvkm_mask(device, 0x419c00, 0x00000008, 0x00000008);
+}
+
+static void
+gv100_grctx_unkn88c(struct gf100_gr *gr, bool on)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	const u32 mask = 0x00000010, data = on ? mask : 0x00000000;
+	nvkm_mask(device, 0x40988c, mask, data);
+	nvkm_rd32(device, 0x40988c);
+	nvkm_mask(device, 0x41a88c, mask, data);
+	nvkm_rd32(device, 0x41a88c);
+	nvkm_mask(device, 0x408a14, mask, data);
+	nvkm_rd32(device, 0x408a14);
+}
+
+const struct gf100_grctx_func
+gv100_grctx = {
+	.unkn88c = gv100_grctx_unkn88c,
+	.main = gf100_grctx_generate_main,
+	.unkn = gv100_grctx_generate_unkn,
+	.sw_veid_bundle_init = gv100_grctx_pack_sw_veid_bundle_init,
+	.bundle = gm107_grctx_generate_bundle,
+	.bundle_size = 0x3000,
+	.bundle_min_gpm_fifo_depth = 0x180,
+	.bundle_token_limit = 0x1680,
+	.pagepool = gp100_grctx_generate_pagepool,
+	.pagepool_size = 0x20000,
+	.attrib = gv100_grctx_generate_attrib,
+	.attrib_nr_max = 0x6c0,
+	.attrib_nr = 0x480,
+	.alpha_nr_max = 0xc00,
+	.alpha_nr = 0x800,
+	.gfxp_nr = 0xd10,
+	.sm_id = gv100_grctx_generate_sm_id,
+	.rop_mapping = gv100_grctx_generate_rop_mapping,
+	.dist_skip_table = gm200_grctx_generate_dist_skip_table,
+	.r406500 = gm200_grctx_generate_r406500,
+	.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
+	.smid_config = gp100_grctx_generate_smid_config,
+	.r400088 = gv100_grctx_generate_r400088,
+};