132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*
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* Copyright 2012 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 "outpdp.h"
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#include <subdev/timer.h>
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static inline u32
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gm200_sor_soff(struct nvkm_output_dp *outp)
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{
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return (ffs(outp->base.info.or) - 1) * 0x800;
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}
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static inline u32
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gm200_sor_loff(struct nvkm_output_dp *outp)
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{
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return gm200_sor_soff(outp) + !(outp->base.info.sorconf.link & 1) * 0x80;
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}
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void
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gm200_sor_magic(struct nvkm_output *outp)
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{
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struct nvkm_device *device = outp->disp->engine.subdev.device;
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const u32 soff = outp->or * 0x100;
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const u32 data = outp->or + 1;
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if (outp->info.sorconf.link & 1)
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nvkm_mask(device, 0x612308 + soff, 0x0000001f, 0x00000000 | data);
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if (outp->info.sorconf.link & 2)
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nvkm_mask(device, 0x612388 + soff, 0x0000001f, 0x00000010 | data);
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}
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static inline u32
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gm200_sor_dp_lane_map(struct nvkm_device *device, u8 lane)
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{
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return lane * 0x08;
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}
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static int
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gm200_sor_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
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{
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struct nvkm_device *device = outp->base.disp->engine.subdev.device;
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const u32 soff = gm200_sor_soff(outp);
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const u32 loff = gm200_sor_loff(outp);
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u32 mask = 0, i;
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for (i = 0; i < nr; i++)
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mask |= 1 << (gm200_sor_dp_lane_map(device, i) >> 3);
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nvkm_mask(device, 0x61c130 + loff, 0x0000000f, mask);
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nvkm_mask(device, 0x61c034 + soff, 0x80000000, 0x80000000);
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nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0x61c034 + soff) & 0x80000000))
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break;
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);
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return 0;
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}
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static int
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gm200_sor_dp_drv_ctl(struct nvkm_output_dp *outp,
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int ln, int vs, int pe, int pc)
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{
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struct nvkm_device *device = outp->base.disp->engine.subdev.device;
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struct nvkm_bios *bios = device->bios;
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const u32 shift = gm200_sor_dp_lane_map(device, ln);
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const u32 loff = gm200_sor_loff(outp);
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u32 addr, data[4];
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u8 ver, hdr, cnt, len;
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struct nvbios_dpout info;
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struct nvbios_dpcfg ocfg;
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addr = nvbios_dpout_match(bios, outp->base.info.hasht,
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outp->base.info.hashm,
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&ver, &hdr, &cnt, &len, &info);
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if (!addr)
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return -ENODEV;
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addr = nvbios_dpcfg_match(bios, addr, pc, vs, pe,
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&ver, &hdr, &cnt, &len, &ocfg);
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if (!addr)
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return -EINVAL;
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ocfg.tx_pu &= 0x0f;
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data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift);
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data[1] = nvkm_rd32(device, 0x61c120 + loff) & ~(0x000000ff << shift);
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data[2] = nvkm_rd32(device, 0x61c130 + loff);
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if ((data[2] & 0x00000f00) < (ocfg.tx_pu << 8) || ln == 0)
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data[2] = (data[2] & ~0x00000f00) | (ocfg.tx_pu << 8);
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nvkm_wr32(device, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
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nvkm_wr32(device, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
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nvkm_wr32(device, 0x61c130 + loff, data[2]);
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data[3] = nvkm_rd32(device, 0x61c13c + loff) & ~(0x000000ff << shift);
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nvkm_wr32(device, 0x61c13c + loff, data[3] | (ocfg.pc << shift));
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return 0;
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}
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static const struct nvkm_output_dp_func
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gm200_sor_dp_func = {
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.pattern = gm107_sor_dp_pattern,
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.lnk_pwr = gm200_sor_dp_lnk_pwr,
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.lnk_ctl = gf119_sor_dp_lnk_ctl,
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.drv_ctl = gm200_sor_dp_drv_ctl,
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.vcpi = gf119_sor_dp_vcpi,
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};
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int
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gm200_sor_dp_new(struct nvkm_disp *disp, int index, struct dcb_output *dcbE,
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struct nvkm_output **poutp)
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{
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return nvkm_output_dp_new_(&gm200_sor_dp_func, disp, index, dcbE, poutp);
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}
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