hdmigv100.c (3506B)
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 "hdmi.h" 23 24void 25gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, 26 u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size) 27{ 28 struct nvkm_device *device = ior->disp->engine.subdev.device; 29 const u32 ctrl = 0x40000000 * enable | 30 max_ac_packet << 16 | 31 rekey; 32 const u32 hoff = head * 0x800; 33 const u32 hdmi = head * 0x400; 34 struct packed_hdmi_infoframe avi_infoframe; 35 struct packed_hdmi_infoframe vendor_infoframe; 36 37 pack_hdmi_infoframe(&avi_infoframe, avi, avi_size); 38 pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size); 39 40 if (!(ctrl & 0x40000000)) { 41 nvkm_mask(device, 0x6165c0 + hoff, 0x40000000, 0x00000000); 42 nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000000); 43 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000); 44 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000); 45 return; 46 } 47 48 /* AVI InfoFrame (AVI). */ 49 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000); 50 if (avi_size) { 51 nvkm_wr32(device, 0x6f0008 + hdmi, avi_infoframe.header); 52 nvkm_wr32(device, 0x6f000c + hdmi, avi_infoframe.subpack0_low); 53 nvkm_wr32(device, 0x6f0010 + hdmi, avi_infoframe.subpack0_high); 54 nvkm_wr32(device, 0x6f0014 + hdmi, avi_infoframe.subpack1_low); 55 nvkm_wr32(device, 0x6f0018 + hdmi, avi_infoframe.subpack1_high); 56 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000001); 57 } 58 59 /* Vendor-specific InfoFrame (VSI). */ 60 nvkm_mask(device, 0x6f0100 + hdmi, 0x00010001, 0x00000000); 61 if (vendor_size) { 62 nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header); 63 nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low); 64 nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high); 65 nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000); 66 nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000); 67 nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000); 68 nvkm_wr32(device, 0x6f0120 + hdmi, 0x00000000); 69 nvkm_wr32(device, 0x6f0124 + hdmi, 0x00000000); 70 nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000001); 71 } 72 73 74 /* General Control (GCP). */ 75 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000); 76 nvkm_wr32(device, 0x6f00cc + hdmi, 0x00000010); 77 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000001); 78 79 /* Audio Clock Regeneration (ACR). */ 80 nvkm_wr32(device, 0x6f0080 + hdmi, 0x82000000); 81 82 /* NV_PDISP_SF_HDMI_CTRL. */ 83 nvkm_mask(device, 0x6165c0 + hoff, 0x401f007f, ctrl); 84}