LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/sortu102.c

   1/*
   2 * Copyright 2018 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 */
  22#include "ior.h"
  23
  24#include <subdev/timer.h>
  25
  26static void
  27tu102_sor_dp_vcpi(struct nvkm_ior *sor, int head,
  28                  u8 slot, u8 slot_nr, u16 pbn, u16 aligned)
  29{
  30        struct nvkm_device *device = sor->disp->engine.subdev.device;
  31        const u32 hoff = head * 0x800;
  32
  33        nvkm_mask(device, 0x61657c + hoff, 0xffffffff, (aligned << 16) | pbn);
  34        nvkm_mask(device, 0x616578 + hoff, 0x00003f3f, (slot_nr << 8) | slot);
  35}
  36
  37static int
  38tu102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
  39{
  40        struct nvkm_device *device = sor->disp->engine.subdev.device;
  41        const u32 soff = nv50_ior_base(sor);
  42        const u32 loff = nv50_sor_link(sor);
  43        u32 dpctrl = 0x00000000;
  44        u32 clksor = 0x00000000;
  45
  46        clksor |= sor->dp.bw << 18;
  47        dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
  48        if (sor->dp.mst)
  49                dpctrl |= 0x40000000;
  50        if (sor->dp.ef)
  51                dpctrl |= 0x00004000;
  52
  53        nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
  54
  55        /*XXX*/
  56        nvkm_msec(device, 40, NVKM_DELAY);
  57        nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
  58        nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
  59
  60        nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
  61        return 0;
  62}
  63
  64static const struct nvkm_ior_func
  65tu102_sor = {
  66        .route = {
  67                .get = gm200_sor_route_get,
  68                .set = gm200_sor_route_set,
  69        },
  70        .state = gv100_sor_state,
  71        .power = nv50_sor_power,
  72        .clock = gf119_sor_clock,
  73        .hdmi = {
  74                .ctrl = gv100_hdmi_ctrl,
  75                .scdc = gm200_hdmi_scdc,
  76        },
  77        .dp = {
  78                .lanes = { 0, 1, 2, 3 },
  79                .links = tu102_sor_dp_links,
  80                .power = g94_sor_dp_power,
  81                .pattern = gm107_sor_dp_pattern,
  82                .drive = gm200_sor_dp_drive,
  83                .vcpi = tu102_sor_dp_vcpi,
  84                .audio = gv100_sor_dp_audio,
  85                .audio_sym = gv100_sor_dp_audio_sym,
  86                .watermark = gv100_sor_dp_watermark,
  87        },
  88        .hda = {
  89                .hpd = gf119_hda_hpd,
  90                .eld = gf119_hda_eld,
  91        },
  92};
  93
  94int
  95tu102_sor_new(struct nvkm_disp *disp, int id)
  96{
  97        return nvkm_ior_new_(&tu102_sor, disp, SOR, id);
  98}
  99