153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "nv50.h"
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#include <subdev/bios.h>
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#include <subdev/bios/init.h>
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#include <subdev/bios/pll.h>
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#include <subdev/clk/pll.h>
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int
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gt215_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
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{
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struct nvkm_subdev *subdev = &init->subdev;
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struct nvkm_device *device = subdev->device;
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struct nvbios_pll info;
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int N, fN, M, P;
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int ret;
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ret = nvbios_pll_parse(device->bios, type, &info);
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if (ret)
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return ret;
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ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);
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if (ret < 0)
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return ret;
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switch (info.type) {
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case PLL_VPLL0:
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case PLL_VPLL1:
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nvkm_wr32(device, info.reg + 0, 0x50000610);
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nvkm_mask(device, info.reg + 4, 0x003fffff,
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(P << 16) | (M << 8) | N);
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nvkm_wr32(device, info.reg + 8, fN);
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break;
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default:
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nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static u64
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gt215_devinit_disable(struct nvkm_devinit *init)
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{
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struct nvkm_device *device = init->subdev.device;
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u32 r001540 = nvkm_rd32(device, 0x001540);
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u32 r00154c = nvkm_rd32(device, 0x00154c);
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if (!(r001540 & 0x40000000)) {
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nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
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nvkm_subdev_disable(device, NVKM_ENGINE_MSPPP, 0);
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}
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if (!(r00154c & 0x00000004))
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nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
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if (!(r00154c & 0x00000020))
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nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0);
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if (!(r00154c & 0x00000200))
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nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
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return 0ULL;
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}
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static u32
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gt215_devinit_mmio_part[] = {
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0x100720, 0x1008bc, 4,
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0x100a20, 0x100adc, 4,
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0x100d80, 0x100ddc, 4,
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0x110000, 0x110f9c, 4,
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0x111000, 0x11103c, 8,
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0x111080, 0x1110fc, 4,
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0x111120, 0x1111fc, 4,
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0x111300, 0x1114bc, 4,
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0,
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};
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static u32
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gt215_devinit_mmio(struct nvkm_devinit *base, u32 addr)
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{
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struct nv50_devinit *init = nv50_devinit(base);
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struct nvkm_device *device = init->base.subdev.device;
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u32 *mmio = gt215_devinit_mmio_part;
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/* the init tables on some boards have INIT_RAM_RESTRICT_ZM_REG_GROUP
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* instructions which touch registers that may not even exist on
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* some configurations (Quadro 400), which causes the register
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* interface to screw up for some amount of time after attempting to
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* write to one of these, and results in all sorts of things going
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* horribly wrong.
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*
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* the binary driver avoids touching these registers at all, however,
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* the video bios doesn't care and does what the scripts say. it's
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* presumed that the io-port access to init registers isn't effected
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* by the screw-up bug mentioned above.
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*
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* really, a new opcode should've been invented to handle these
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* requirements, but whatever, it's too late for that now.
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*/
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while (mmio[0]) {
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if (addr >= mmio[0] && addr <= mmio[1]) {
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u32 part = (addr / mmio[2]) & 7;
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if (!init->r001540)
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init->r001540 = nvkm_rd32(device, 0x001540);
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if (part >= hweight8((init->r001540 >> 16) & 0xff))
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return ~0;
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return addr;
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}
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mmio += 3;
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}
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return addr;
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}
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static const struct nvkm_devinit_func
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gt215_devinit = {
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.preinit = nv50_devinit_preinit,
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.init = nv50_devinit_init,
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.post = nv04_devinit_post,
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.mmio = gt215_devinit_mmio,
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.pll_set = gt215_devinit_pll_set,
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.disable = gt215_devinit_disable,
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};
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int
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gt215_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_devinit **pinit)
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{
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return nv50_devinit_new_(>215_devinit, device, type, inst, pinit);
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}
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