| /* |
| * Copyright 2013 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 "nv50.h" |
| |
| #include <subdev/bios.h> |
| #include <subdev/bios/init.h> |
| #include <subdev/bios/pll.h> |
| #include <subdev/clk/pll.h> |
| |
| int |
| gf100_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq) |
| { |
| struct nvkm_subdev *subdev = &init->subdev; |
| struct nvkm_device *device = subdev->device; |
| struct nvbios_pll info; |
| int N, fN, M, P; |
| int ret; |
| |
| ret = nvbios_pll_parse(device->bios, type, &info); |
| if (ret) |
| return ret; |
| |
| ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P); |
| if (ret < 0) |
| return ret; |
| |
| switch (info.type) { |
| case PLL_VPLL0: |
| case PLL_VPLL1: |
| case PLL_VPLL2: |
| case PLL_VPLL3: |
| nvkm_mask(device, info.reg + 0x0c, 0x00000000, 0x00000100); |
| nvkm_wr32(device, info.reg + 0x04, (P << 16) | (N << 8) | M); |
| nvkm_wr32(device, info.reg + 0x10, fN << 16); |
| break; |
| default: |
| nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq); |
| ret = -EINVAL; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static u64 |
| gf100_devinit_disable(struct nvkm_devinit *init) |
| { |
| struct nvkm_device *device = init->subdev.device; |
| u32 r022500 = nvkm_rd32(device, 0x022500); |
| u64 disable = 0ULL; |
| |
| if (r022500 & 0x00000001) |
| nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0); |
| |
| if (r022500 & 0x00000002) { |
| nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0); |
| nvkm_subdev_disable(device, NVKM_ENGINE_MSPPP, 0); |
| } |
| |
| if (r022500 & 0x00000004) |
| nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0); |
| if (r022500 & 0x00000008) |
| nvkm_subdev_disable(device, NVKM_ENGINE_MSENC, 0); |
| if (r022500 & 0x00000100) |
| nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0); |
| if (r022500 & 0x00000200) |
| nvkm_subdev_disable(device, NVKM_ENGINE_CE, 1); |
| |
| return disable; |
| } |
| |
| void |
| gf100_devinit_preinit(struct nvkm_devinit *base) |
| { |
| struct nv50_devinit *init = nv50_devinit(base); |
| struct nvkm_subdev *subdev = &init->base.subdev; |
| struct nvkm_device *device = subdev->device; |
| |
| /* |
| * This bit is set by devinit, and flips back to 0 on suspend. We |
| * can use it as a reliable way to know whether we should run devinit. |
| */ |
| base->post = ((nvkm_rd32(device, 0x2240c) & BIT(1)) == 0); |
| } |
| |
| static const struct nvkm_devinit_func |
| gf100_devinit = { |
| .preinit = gf100_devinit_preinit, |
| .init = nv50_devinit_init, |
| .post = nv04_devinit_post, |
| .pll_set = gf100_devinit_pll_set, |
| .disable = gf100_devinit_disable, |
| }; |
| |
| int |
| gf100_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, |
| struct nvkm_devinit **pinit) |
| { |
| return nv50_devinit_new_(&gf100_devinit, device, type, inst, pinit); |
| } |