From 2944b19b5cb5109c67944086de49ef0b47e64d83 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 12 Feb 2019 22:28:13 +1000 Subject: [PATCH] drm/nouveau/gsp/gv100-: instantiate GSP falcon We need this for Turing ACR, but it's present from Volta onwards. Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 5 ++ .../gpu/drm/nouveau/nvkm/engine/device/base.c | 4 ++ drivers/gpu/drm/nouveau/nvkm/falcon/base.c | 3 + .../gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild | 1 + .../gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c | 62 +++++++++++++++++++ 5 files changed, 75 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h index 00448990beef..4c672a5c4cd5 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h @@ -5,5 +5,10 @@ struct nvkm_gsp { struct nvkm_subdev subdev; + u32 addr; + + struct nvkm_falcon *falcon; }; + +int gv100_gsp_new(struct nvkm_device *, int, struct nvkm_gsp **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 5e8cb1dc54dd..b583586e9f56 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2405,6 +2405,7 @@ nv140_chipset = { .fb = gv100_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, + .gsp = gv100_gsp_new, .i2c = gm200_i2c_new, .ibus = gm200_ibus_new, .imem = nv50_instmem_new, @@ -2445,6 +2446,7 @@ nv162_chipset = { .fb = gv100_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, + .gsp = gv100_gsp_new, .i2c = gm200_i2c_new, .ibus = gm200_ibus_new, .imem = nv50_instmem_new, @@ -2477,6 +2479,7 @@ nv164_chipset = { .fb = gv100_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, + .gsp = gv100_gsp_new, .i2c = gm200_i2c_new, .ibus = gm200_ibus_new, .imem = nv50_instmem_new, @@ -2509,6 +2512,7 @@ nv166_chipset = { .fb = gv100_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, + .gsp = gv100_gsp_new, .i2c = gm200_i2c_new, .ibus = gm200_ibus_new, .imem = nv50_instmem_new, diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c index 427340153640..366c87de6e72 100644 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c @@ -204,6 +204,9 @@ nvkm_falcon_ctor(const struct nvkm_falcon_func *func, debug_reg = 0x408; falcon->has_emem = true; break; + case NVKM_SUBDEV_GSP: + debug_reg = 0x0; /*XXX*/ + break; default: nvkm_warn(subdev, "unsupported falcon %s!\n", nvkm_subdev_name[subdev->index]); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild index e69de29bb2d1..26fc6feb807e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild @@ -0,0 +1 @@ +nvkm-y += nvkm/subdev/gsp/gv100.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c new file mode 100644 index 000000000000..dccfaf1162e2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c @@ -0,0 +1,62 @@ +/* + * Copyright 2019 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 +#include +#include + +static int +gv100_gsp_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + + gsp->addr = nvkm_top_addr(subdev->device, subdev->index); + if (!gsp->addr) + return -EINVAL; + + return nvkm_falcon_v1_new(subdev, "GSP", gsp->addr, &gsp->falcon); +} + +static void * +gv100_gsp_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + nvkm_falcon_del(&gsp->falcon); + return gsp; +} + +static const struct nvkm_subdev_func +gv100_gsp = { + .dtor = gv100_gsp_dtor, + .oneinit = gv100_gsp_oneinit, +}; + +int +gv100_gsp_new(struct nvkm_device *device, int index, struct nvkm_gsp **pgsp) +{ + struct nvkm_gsp *gsp; + + if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL))) + return -ENOMEM; + + nvkm_subdev_ctor(&gv100_gsp, device, index, &gsp->subdev); + return 0; +} -- 2.30.2