1/* $NetBSD: nouveau_nvkm_engine_disp_sorgf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_sorgf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "ior.h" 30 31#include <subdev/timer.h> 32 33void 34gf119_sor_dp_watermark(struct nvkm_ior *sor, int head, u8 watermark) 35{ 36 struct nvkm_device *device = sor->disp->engine.subdev.device; 37 const u32 hoff = head * 0x800; 38 nvkm_mask(device, 0x616610 + hoff, 0x0800003f, 0x08000000 | watermark); 39} 40 41void 42gf119_sor_dp_audio_sym(struct nvkm_ior *sor, int head, u16 h, u32 v) 43{ 44 struct nvkm_device *device = sor->disp->engine.subdev.device; 45 const u32 hoff = head * 0x800; 46 nvkm_mask(device, 0x616620 + hoff, 0x0000ffff, h); 47 nvkm_mask(device, 0x616624 + hoff, 0x00ffffff, v); 48} 49 50void 51gf119_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable) 52{ 53 struct nvkm_device *device = sor->disp->engine.subdev.device; 54 const u32 hoff = 0x800 * head; 55 const u32 data = 0x80000000 | (0x00000001 * enable); 56 const u32 mask = 0x8000000d; 57 nvkm_mask(device, 0x616618 + hoff, mask, data); 58 nvkm_msec(device, 2000, 59 if (!(nvkm_rd32(device, 0x616618 + hoff) & 0x80000000)) 60 break; 61 ); 62} 63 64void 65gf119_sor_dp_vcpi(struct nvkm_ior *sor, int head, 66 u8 slot, u8 slot_nr, u16 pbn, u16 aligned) 67{ 68 struct nvkm_device *device = sor->disp->engine.subdev.device; 69 const u32 hoff = head * 0x800; 70 71 nvkm_mask(device, 0x616588 + hoff, 0x00003f3f, (slot_nr << 8) | slot); 72 nvkm_mask(device, 0x61658c + hoff, 0xffffffff, (aligned << 16) | pbn); 73} 74 75void 76gf119_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu) 77{ 78 struct nvkm_device *device = sor->disp->engine.subdev.device; 79 const u32 loff = nv50_sor_link(sor); 80 const u32 shift = sor->func->dp.lanes[ln] * 8; 81 u32 data[4]; 82 83 data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift); 84 data[1] = nvkm_rd32(device, 0x61c120 + loff) & ~(0x000000ff << shift); 85 data[2] = nvkm_rd32(device, 0x61c130 + loff); 86 if ((data[2] & 0x0000ff00) < (pu << 8) || ln == 0) 87 data[2] = (data[2] & ~0x0000ff00) | (pu << 8); 88 nvkm_wr32(device, 0x61c118 + loff, data[0] | (dc << shift)); 89 nvkm_wr32(device, 0x61c120 + loff, data[1] | (pe << shift)); 90 nvkm_wr32(device, 0x61c130 + loff, data[2]); 91 data[3] = nvkm_rd32(device, 0x61c13c + loff) & ~(0x000000ff << shift); 92 nvkm_wr32(device, 0x61c13c + loff, data[3] | (pc << shift)); 93} 94 95void 96gf119_sor_dp_pattern(struct nvkm_ior *sor, int pattern) 97{ 98 struct nvkm_device *device = sor->disp->engine.subdev.device; 99 const u32 soff = nv50_ior_base(sor); 100 nvkm_mask(device, 0x61c110 + soff, 0x0f0f0f0f, 0x01010101 * pattern); 101} 102 103int 104gf119_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux) 105{ 106 struct nvkm_device *device = sor->disp->engine.subdev.device; 107 const u32 soff = nv50_ior_base(sor); 108 const u32 loff = nv50_sor_link(sor); 109 u32 dpctrl = 0x00000000; 110 u32 clksor = 0x00000000; 111 112 clksor |= sor->dp.bw << 18; 113 dpctrl |= ((1 << sor->dp.nr) - 1) << 16; 114 if (sor->dp.mst) 115 dpctrl |= 0x40000000; 116 if (sor->dp.ef) 117 dpctrl |= 0x00004000; 118 119 nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor); 120 nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl); 121 return 0; 122} 123 124void 125gf119_sor_clock(struct nvkm_ior *sor) 126{ 127 struct nvkm_device *device = sor->disp->engine.subdev.device; 128 const u32 soff = nv50_ior_base(sor); 129 u32 div1 = sor->asy.link == 3; 130 u32 div2 = sor->asy.link == 3; 131 if (sor->asy.proto == TMDS) { 132 const u32 speed = sor->tmds.high_speed ? 0x14 : 0x0a; 133 nvkm_mask(device, 0x612300 + soff, 0x007c0000, speed << 18); 134 if (sor->tmds.high_speed) 135 div2 = 1; 136 } 137 nvkm_mask(device, 0x612300 + soff, 0x00000707, (div2 << 8) | div1); 138} 139 140void 141gf119_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state) 142{ 143 struct nvkm_device *device = sor->disp->engine.subdev.device; 144 const u32 coff = (state == &sor->asy) * 0x20000 + sor->id * 0x20; 145 u32 ctrl = nvkm_rd32(device, 0x640200 + coff); 146 147 state->proto_evo = (ctrl & 0x00000f00) >> 8; 148 switch (state->proto_evo) { 149 case 0: state->proto = LVDS; state->link = 1; break; 150 case 1: state->proto = TMDS; state->link = 1; break; 151 case 2: state->proto = TMDS; state->link = 2; break; 152 case 5: state->proto = TMDS; state->link = 3; break; 153 case 8: state->proto = DP; state->link = 1; break; 154 case 9: state->proto = DP; state->link = 2; break; 155 default: 156 state->proto = UNKNOWN; 157 break; 158 } 159 160 state->head = ctrl & 0x0000000f; 161} 162 163static const struct nvkm_ior_func 164gf119_sor = { 165 .state = gf119_sor_state, 166 .power = nv50_sor_power, 167 .clock = gf119_sor_clock, 168 .hdmi = { 169 .ctrl = gf119_hdmi_ctrl, 170 }, 171 .dp = { 172 .lanes = { 2, 1, 0, 3 }, 173 .links = gf119_sor_dp_links, 174 .power = g94_sor_dp_power, 175 .pattern = gf119_sor_dp_pattern, 176 .drive = gf119_sor_dp_drive, 177 .vcpi = gf119_sor_dp_vcpi, 178 .audio = gf119_sor_dp_audio, 179 .audio_sym = gf119_sor_dp_audio_sym, 180 .watermark = gf119_sor_dp_watermark, 181 }, 182 .hda = { 183 .hpd = gf119_hda_hpd, 184 .eld = gf119_hda_eld, 185 }, 186}; 187 188int 189gf119_sor_new(struct nvkm_disp *disp, int id) 190{ 191 return nvkm_ior_new_(&gf119_sor, disp, SOR, id); 192} 193 194int 195gf119_sor_cnt(struct nvkm_disp *disp, unsigned long *pmask) 196{ 197 struct nvkm_device *device = disp->engine.subdev.device; 198 *pmask = (nvkm_rd32(device, 0x612004) & 0x0000ff00) >> 8; 199 return 8; 200} 201