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 25#include <core/client.h> 26#include <nvif/unpack.h> 27#include <nvif/class.h> 28 29#include <subdev/timer.h> 30 31#include "nv50.h" 32 33int 34nvd0_hda_eld(NV50_DISP_MTHD_V1) 35{ 36 union { 37 struct nv50_disp_sor_hda_eld_v0 v0; 38 } *args = data; 39 const u32 soff = outp->or * 0x030; 40 const u32 hoff = head * 0x800; 41 int ret, i; 42 43 nv_ioctl(object, "disp sor hda eld size %d\n", size); 44 if (nvif_unpack(args->v0, 0, 0, true)) { 45 nv_ioctl(object, "disp sor hda eld vers %d\n", args->v0.version); 46 if (size > 0x60) 47 return -E2BIG; 48 } else 49 return ret; 50 51 if (size && args->v0.data[0]) { 52 if (outp->info.type == DCB_OUTPUT_DP) { 53 nv_mask(priv, 0x616618 + hoff, 0x8000000c, 0x80000001); 54 nv_wait(priv, 0x616618 + hoff, 0x80000000, 0x00000000); 55 } 56 nv_mask(priv, 0x616548 + hoff, 0x00000070, 0x00000000); 57 for (i = 0; i < size; i++) 58 nv_wr32(priv, 0x10ec00 + soff, (i << 8) | args->v0.data[i]); 59 for (; i < 0x60; i++) 60 nv_wr32(priv, 0x10ec00 + soff, (i << 8)); 61 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003); 62 } else { 63 if (outp->info.type == DCB_OUTPUT_DP) { 64 nv_mask(priv, 0x616618 + hoff, 0x80000001, 0x80000000); 65 nv_wait(priv, 0x616618 + hoff, 0x80000000, 0x00000000); 66 } 67 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000 | !!size); 68 } 69 70 return 0; 71} 72