sorgm200.c (4765B)
1/* 2 * Copyright 2012 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 * Authors: Ben Skeggs 23 */ 24#include "ior.h" 25 26void 27gm200_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu) 28{ 29 struct nvkm_device *device = sor->disp->engine.subdev.device; 30 const u32 loff = nv50_sor_link(sor); 31 const u32 shift = sor->func->dp.lanes[ln] * 8; 32 u32 data[4]; 33 34 pu &= 0x0f; 35 36 data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift); 37 data[1] = nvkm_rd32(device, 0x61c120 + loff) & ~(0x000000ff << shift); 38 data[2] = nvkm_rd32(device, 0x61c130 + loff); 39 if ((data[2] & 0x00000f00) < (pu << 8) || ln == 0) 40 data[2] = (data[2] & ~0x00000f00) | (pu << 8); 41 nvkm_wr32(device, 0x61c118 + loff, data[0] | (dc << shift)); 42 nvkm_wr32(device, 0x61c120 + loff, data[1] | (pe << shift)); 43 nvkm_wr32(device, 0x61c130 + loff, data[2]); 44 data[3] = nvkm_rd32(device, 0x61c13c + loff) & ~(0x000000ff << shift); 45 nvkm_wr32(device, 0x61c13c + loff, data[3] | (pc << shift)); 46} 47 48void 49gm200_sor_route_set(struct nvkm_outp *outp, struct nvkm_ior *ior) 50{ 51 struct nvkm_device *device = outp->disp->engine.subdev.device; 52 const u32 moff = __ffs(outp->info.or) * 0x100; 53 const u32 sor = ior ? ior->id + 1 : 0; 54 u32 link = ior ? (ior->asy.link == 2) : 0; 55 56 if (outp->info.sorconf.link & 1) { 57 nvkm_mask(device, 0x612308 + moff, 0x0000001f, link << 4 | sor); 58 link++; 59 } 60 61 if (outp->info.sorconf.link & 2) 62 nvkm_mask(device, 0x612388 + moff, 0x0000001f, link << 4 | sor); 63} 64 65int 66gm200_sor_route_get(struct nvkm_outp *outp, int *link) 67{ 68 struct nvkm_device *device = outp->disp->engine.subdev.device; 69 const int sublinks = outp->info.sorconf.link; 70 int lnk[2], sor[2], m, s; 71 72 for (*link = 0, m = __ffs(outp->info.or) * 2, s = 0; s < 2; m++, s++) { 73 if (sublinks & BIT(s)) { 74 u32 data = nvkm_rd32(device, 0x612308 + (m * 0x80)); 75 lnk[s] = (data & 0x00000010) >> 4; 76 sor[s] = (data & 0x0000000f); 77 if (!sor[s]) 78 return -1; 79 *link |= lnk[s]; 80 } 81 } 82 83 if (sublinks == 3) { 84 if (sor[0] != sor[1] || WARN_ON(lnk[0] || !lnk[1])) 85 return -1; 86 } 87 88 return ((sublinks & 1) ? sor[0] : sor[1]) - 1; 89} 90 91static const struct nvkm_ior_func 92gm200_sor_hda = { 93 .route = { 94 .get = gm200_sor_route_get, 95 .set = gm200_sor_route_set, 96 }, 97 .state = gf119_sor_state, 98 .power = nv50_sor_power, 99 .clock = gf119_sor_clock, 100 .hdmi = { 101 .ctrl = gk104_hdmi_ctrl, 102 .scdc = gm200_hdmi_scdc, 103 }, 104 .dp = { 105 .lanes = { 0, 1, 2, 3 }, 106 .links = gf119_sor_dp_links, 107 .power = g94_sor_dp_power, 108 .pattern = gm107_sor_dp_pattern, 109 .drive = gm200_sor_dp_drive, 110 .vcpi = gf119_sor_dp_vcpi, 111 .audio = gf119_sor_dp_audio, 112 .audio_sym = gf119_sor_dp_audio_sym, 113 .watermark = gf119_sor_dp_watermark, 114 }, 115 .hda = { 116 .hpd = gf119_hda_hpd, 117 .eld = gf119_hda_eld, 118 .device_entry = gf119_hda_device_entry, 119 }, 120}; 121 122static const struct nvkm_ior_func 123gm200_sor = { 124 .route = { 125 .get = gm200_sor_route_get, 126 .set = gm200_sor_route_set, 127 }, 128 .state = gf119_sor_state, 129 .power = nv50_sor_power, 130 .clock = gf119_sor_clock, 131 .hdmi = { 132 .ctrl = gk104_hdmi_ctrl, 133 .scdc = gm200_hdmi_scdc, 134 }, 135 .dp = { 136 .lanes = { 0, 1, 2, 3 }, 137 .links = gf119_sor_dp_links, 138 .power = g94_sor_dp_power, 139 .pattern = gm107_sor_dp_pattern, 140 .drive = gm200_sor_dp_drive, 141 .vcpi = gf119_sor_dp_vcpi, 142 .audio = gf119_sor_dp_audio, 143 .audio_sym = gf119_sor_dp_audio_sym, 144 .watermark = gf119_sor_dp_watermark, 145 }, 146}; 147 148int 149gm200_sor_new(struct nvkm_disp *disp, int id) 150{ 151 struct nvkm_device *device = disp->engine.subdev.device; 152 u32 hda; 153 154 if (!((hda = nvkm_rd32(device, 0x08a15c)) & 0x40000000)) 155 hda = nvkm_rd32(device, 0x101034); 156 157 if (hda & BIT(id)) 158 return nvkm_ior_new_(&gm200_sor_hda, disp, SOR, id); 159 return nvkm_ior_new_(&gm200_sor, disp, SOR, id); 160}