1/* 2 * Copyright 2014 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 "nv50.h" 25 26#include <core/client.h> 27 28#include <nvif/class.h> 29#include <nvif/unpack.h> 30 31int 32gk104_hdmi_ctrl(NV50_DISP_MTHD_V1) 33{ 34 const u32 hoff = (head * 0x800); 35 const u32 hdmi = (head * 0x400); 36 union { 37 struct nv50_disp_sor_hdmi_pwr_v0 v0; 38 } *args = data; 39 u32 ctrl; 40 int ret; 41 42 nv_ioctl(object, "disp sor hdmi ctrl size %d\n", size); 43 if (nvif_unpack(args->v0, 0, 0, false)) { 44 nv_ioctl(object, "disp sor hdmi ctrl vers %d state %d " 45 "max_ac_packet %d rekey %d\n", 46 args->v0.version, args->v0.state, 47 args->v0.max_ac_packet, args->v0.rekey); 48 if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f) 49 return -EINVAL; 50 ctrl = 0x40000000 * !!args->v0.state; 51 ctrl |= args->v0.max_ac_packet << 16; 52 ctrl |= args->v0.rekey; 53 } else 54 return ret; 55 56 if (!(ctrl & 0x40000000)) { 57 nv_mask(priv, 0x616798 + hoff, 0x40000000, 0x00000000); 58 nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000); 59 nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000); 60 return 0; 61 } 62 63 /* AVI InfoFrame */ 64 nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000); 65 nv_wr32(priv, 0x690008 + hdmi, 0x000d0282); 66 nv_wr32(priv, 0x69000c + hdmi, 0x0000006f); 67 nv_wr32(priv, 0x690010 + hdmi, 0x00000000); 68 nv_wr32(priv, 0x690014 + hdmi, 0x00000000); 69 nv_wr32(priv, 0x690018 + hdmi, 0x00000000); 70 nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000001); 71 72 /* ??? InfoFrame? */ 73 nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000); 74 nv_wr32(priv, 0x6900cc + hdmi, 0x00000010); 75 nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000001); 76 77 /* ??? */ 78 nv_wr32(priv, 0x690080 + hdmi, 0x82000000); 79 80 /* HDMI_CTRL */ 81 nv_mask(priv, 0x616798 + hoff, 0x401f007f, ctrl); 82 return 0; 83} 84