From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild | 3 + drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c | 122 ++++++++++++++++++++ drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c | 139 +++++++++++++++++++++++ drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c | 102 +++++++++++++++++ 4 files changed, 366 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ibus') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild new file mode 100644 index 000000000..a0b12d272 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/Kbuild @@ -0,0 +1,3 @@ +nvkm-y += nvkm/subdev/ibus/gf100.o +nvkm-y += nvkm/subdev/ibus/gk104.o +nvkm-y += nvkm/subdev/ibus/gk20a.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c new file mode 100644 index 000000000..8e578f802 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c @@ -0,0 +1,122 @@ +/* + * Copyright 2012 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 + +struct gf100_ibus_priv { + struct nvkm_ibus base; +}; + +static void +gf100_ibus_intr_hub(struct gf100_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x122120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x122124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x122128 + (i * 0x0400)); + nv_error(priv, "HUB%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x122128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +gf100_ibus_intr_rop(struct gf100_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x124120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x124124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x124128 + (i * 0x0400)); + nv_error(priv, "ROP%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x124128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +gf100_ibus_intr_gpc(struct gf100_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x128120 + (i * 0x0400)); + u32 data = nv_rd32(priv, 0x128124 + (i * 0x0400)); + u32 stat = nv_rd32(priv, 0x128128 + (i * 0x0400)); + nv_error(priv, "GPC%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x128128 + (i * 0x0400), 0x00000200, 0x00000000); +} + +static void +gf100_ibus_intr(struct nvkm_subdev *subdev) +{ + struct gf100_ibus_priv *priv = (void *)subdev; + u32 intr0 = nv_rd32(priv, 0x121c58); + u32 intr1 = nv_rd32(priv, 0x121c5c); + u32 hubnr = nv_rd32(priv, 0x121c70); + u32 ropnr = nv_rd32(priv, 0x121c74); + u32 gpcnr = nv_rd32(priv, 0x121c78); + u32 i; + + for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { + u32 stat = 0x00000100 << i; + if (intr0 & stat) { + gf100_ibus_intr_hub(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { + u32 stat = 0x00010000 << i; + if (intr0 & stat) { + gf100_ibus_intr_rop(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; intr1 && i < gpcnr; i++) { + u32 stat = 0x00000001 << i; + if (intr1 & stat) { + gf100_ibus_intr_gpc(priv, i); + intr1 &= ~stat; + } + } +} + +static int +gf100_ibus_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gf100_ibus_priv *priv; + int ret; + + ret = nvkm_ibus_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->intr = gf100_ibus_intr; + return 0; +} + +struct nvkm_oclass +gf100_ibus_oclass = { + .handle = NV_SUBDEV(IBUS, 0xc0), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gf100_ibus_ctor, + .dtor = _nvkm_ibus_dtor, + .init = _nvkm_ibus_init, + .fini = _nvkm_ibus_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c new file mode 100644 index 000000000..7b6e9a6cd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c @@ -0,0 +1,139 @@ +/* + * Copyright 2012 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 + +struct gk104_ibus_priv { + struct nvkm_ibus base; +}; + +static void +gk104_ibus_intr_hub(struct gk104_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x122120 + (i * 0x0800)); + u32 data = nv_rd32(priv, 0x122124 + (i * 0x0800)); + u32 stat = nv_rd32(priv, 0x122128 + (i * 0x0800)); + nv_error(priv, "HUB%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x122128 + (i * 0x0800), 0x00000200, 0x00000000); +} + +static void +gk104_ibus_intr_rop(struct gk104_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x124120 + (i * 0x0800)); + u32 data = nv_rd32(priv, 0x124124 + (i * 0x0800)); + u32 stat = nv_rd32(priv, 0x124128 + (i * 0x0800)); + nv_error(priv, "ROP%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x124128 + (i * 0x0800), 0x00000200, 0x00000000); +} + +static void +gk104_ibus_intr_gpc(struct gk104_ibus_priv *priv, int i) +{ + u32 addr = nv_rd32(priv, 0x128120 + (i * 0x0800)); + u32 data = nv_rd32(priv, 0x128124 + (i * 0x0800)); + u32 stat = nv_rd32(priv, 0x128128 + (i * 0x0800)); + nv_error(priv, "GPC%d: 0x%06x 0x%08x (0x%08x)\n", i, addr, data, stat); + nv_mask(priv, 0x128128 + (i * 0x0800), 0x00000200, 0x00000000); +} + +static void +gk104_ibus_intr(struct nvkm_subdev *subdev) +{ + struct gk104_ibus_priv *priv = (void *)subdev; + u32 intr0 = nv_rd32(priv, 0x120058); + u32 intr1 = nv_rd32(priv, 0x12005c); + u32 hubnr = nv_rd32(priv, 0x120070); + u32 ropnr = nv_rd32(priv, 0x120074); + u32 gpcnr = nv_rd32(priv, 0x120078); + u32 i; + + for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { + u32 stat = 0x00000100 << i; + if (intr0 & stat) { + gk104_ibus_intr_hub(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { + u32 stat = 0x00010000 << i; + if (intr0 & stat) { + gk104_ibus_intr_rop(priv, i); + intr0 &= ~stat; + } + } + + for (i = 0; intr1 && i < gpcnr; i++) { + u32 stat = 0x00000001 << i; + if (intr1 & stat) { + gk104_ibus_intr_gpc(priv, i); + intr1 &= ~stat; + } + } +} + +static int +gk104_ibus_init(struct nvkm_object *object) +{ + struct gk104_ibus_priv *priv = (void *)object; + int ret = nvkm_ibus_init(&priv->base); + if (ret == 0) { + nv_mask(priv, 0x122318, 0x0003ffff, 0x00001000); + nv_mask(priv, 0x12231c, 0x0003ffff, 0x00000200); + nv_mask(priv, 0x122310, 0x0003ffff, 0x00000800); + nv_mask(priv, 0x122348, 0x0003ffff, 0x00000100); + nv_mask(priv, 0x1223b0, 0x0003ffff, 0x00000fff); + nv_mask(priv, 0x122348, 0x0003ffff, 0x00000200); + nv_mask(priv, 0x122358, 0x0003ffff, 0x00002880); + } + return ret; +} + +static int +gk104_ibus_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gk104_ibus_priv *priv; + int ret; + + ret = nvkm_ibus_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->intr = gk104_ibus_intr; + return 0; +} + +struct nvkm_oclass +gk104_ibus_oclass = { + .handle = NV_SUBDEV(IBUS, 0xe0), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gk104_ibus_ctor, + .dtor = _nvkm_ibus_dtor, + .init = gk104_ibus_init, + .fini = _nvkm_ibus_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c new file mode 100644 index 000000000..c0fdb89e7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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 +#include + +struct gk20a_ibus_priv { + struct nvkm_ibus base; +}; + +static void +gk20a_ibus_init_priv_ring(struct gk20a_ibus_priv *priv) +{ + nv_mask(priv, 0x137250, 0x3f, 0); + + nv_mask(priv, 0x000200, 0x20, 0); + usleep_range(20, 30); + nv_mask(priv, 0x000200, 0x20, 0x20); + + nv_wr32(priv, 0x12004c, 0x4); + nv_wr32(priv, 0x122204, 0x2); + nv_rd32(priv, 0x122204); +} + +static void +gk20a_ibus_intr(struct nvkm_subdev *subdev) +{ + struct gk20a_ibus_priv *priv = (void *)subdev; + u32 status0 = nv_rd32(priv, 0x120058); + + if (status0 & 0x7) { + nv_debug(priv, "resetting priv ring\n"); + gk20a_ibus_init_priv_ring(priv); + } + + /* Acknowledge interrupt */ + nv_mask(priv, 0x12004c, 0x2, 0x2); + + if (!nv_wait(subdev, 0x12004c, 0x3f, 0x00)) + nv_warn(priv, "timeout waiting for ringmaster ack\n"); +} + +static int +gk20a_ibus_init(struct nvkm_object *object) +{ + struct gk20a_ibus_priv *priv = (void *)object; + int ret; + + ret = _nvkm_ibus_init(object); + if (ret) + return ret; + + gk20a_ibus_init_priv_ring(priv); + + return 0; +} + +static int +gk20a_ibus_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gk20a_ibus_priv *priv; + int ret; + + ret = nvkm_ibus_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->intr = gk20a_ibus_intr; + return 0; +} + +struct nvkm_oclass +gk20a_ibus_oclass = { + .handle = NV_SUBDEV(IBUS, 0xea), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gk20a_ibus_ctor, + .dtor = _nvkm_ibus_dtor, + .init = gk20a_ibus_init, + .fini = _nvkm_ibus_fini, + }, +}; -- cgit v1.2.3-54-g00ecf