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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c new file mode 100644 index 000000000..dd4981708 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c @@ -0,0 +1,135 @@ +/* + * 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 "priv.h" + +#include <core/option.h> +#include <subdev/vga.h> + +u32 +nvkm_devinit_mmio(struct nvkm_devinit *init, u32 addr) +{ + if (init->func->mmio) + addr = init->func->mmio(init, addr); + return addr; +} + +int +nvkm_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 khz) +{ + return init->func->pll_set(init, type, khz); +} + +void +nvkm_devinit_meminit(struct nvkm_devinit *init) +{ + if (init->func->meminit) + init->func->meminit(init); +} + +u64 +nvkm_devinit_disable(struct nvkm_devinit *init) +{ + if (init && init->func->disable) + return init->func->disable(init); + return 0; +} + +int +nvkm_devinit_post(struct nvkm_devinit *init) +{ + int ret = 0; + if (init && init->func->post) + ret = init->func->post(init, init->post); + nvkm_devinit_disable(init); + return ret; +} + +static int +nvkm_devinit_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_devinit *init = nvkm_devinit(subdev); + /* force full reinit on resume */ + if (suspend) + init->post = true; + return 0; +} + +static int +nvkm_devinit_preinit(struct nvkm_subdev *subdev) +{ + struct nvkm_devinit *init = nvkm_devinit(subdev); + + if (init->func->preinit) + init->func->preinit(init); + + /* Override the post flag during the first call if NvForcePost is set */ + if (init->force_post) { + init->post = init->force_post; + init->force_post = false; + } + + /* unlock the extended vga crtc regs */ + nvkm_lockvgac(subdev->device, false); + return 0; +} + +static int +nvkm_devinit_init(struct nvkm_subdev *subdev) +{ + struct nvkm_devinit *init = nvkm_devinit(subdev); + if (init->func->init) + init->func->init(init); + return 0; +} + +static void * +nvkm_devinit_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_devinit *init = nvkm_devinit(subdev); + void *data = init; + + if (init->func->dtor) + data = init->func->dtor(init); + + /* lock crtc regs */ + nvkm_lockvgac(subdev->device, true); + return data; +} + +static const struct nvkm_subdev_func +nvkm_devinit = { + .dtor = nvkm_devinit_dtor, + .preinit = nvkm_devinit_preinit, + .init = nvkm_devinit_init, + .fini = nvkm_devinit_fini, +}; + +void +nvkm_devinit_ctor(const struct nvkm_devinit_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_devinit *init) +{ + nvkm_subdev_ctor(&nvkm_devinit, device, type, inst, &init->subdev); + init->func = func; + init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false); +} |