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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/clk/nv04.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/clk/nv04.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv04.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv04.c new file mode 100644 index 000000000..ca13598c2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv04.c @@ -0,0 +1,84 @@ +/* + * 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 "pll.h" + +#include <subdev/bios.h> +#include <subdev/bios/pll.h> +#include <subdev/devinit/nv04.h> + +int +nv04_clk_pll_calc(struct nvkm_clk *clock, struct nvbios_pll *info, + int clk, struct nvkm_pll_vals *pv) +{ + int N1, M1, N2, M2, P; + int ret = nv04_pll_calc(&clock->subdev, info, clk, &N1, &M1, &N2, &M2, &P); + if (ret) { + pv->refclk = info->refclk; + pv->N1 = N1; + pv->M1 = M1; + pv->N2 = N2; + pv->M2 = M2; + pv->log2P = P; + } + return ret; +} + +int +nv04_clk_pll_prog(struct nvkm_clk *clk, u32 reg1, struct nvkm_pll_vals *pv) +{ + struct nvkm_device *device = clk->subdev.device; + struct nvkm_devinit *devinit = device->devinit; + int cv = device->bios->version.chip; + + if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 || + cv >= 0x40) { + if (reg1 > 0x405c) + setPLL_double_highregs(devinit, reg1, pv); + else + setPLL_double_lowregs(devinit, reg1, pv); + } else + setPLL_single(devinit, reg1, pv); + + return 0; +} + +static const struct nvkm_clk_func +nv04_clk = { + .domains = { + { nv_clk_src_max } + } +}; + +int +nv04_clk_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_clk **pclk) +{ + int ret = nvkm_clk_new_(&nv04_clk, device, type, inst, false, pclk); + if (ret == 0) { + (*pclk)->pll_calc = nv04_clk_pll_calc; + (*pclk)->pll_prog = nv04_clk_pll_prog; + } + return ret; +} |