| /* |
| * Copyright 2014 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #include "hdmi.h" |
| |
| void |
| gk104_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, |
| u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size) |
| { |
| struct nvkm_device *device = ior->disp->engine.subdev.device; |
| const u32 ctrl = 0x40000000 * enable | |
| max_ac_packet << 16 | |
| rekey; |
| const u32 hoff = head * 0x800; |
| const u32 hdmi = head * 0x400; |
| struct packed_hdmi_infoframe avi_infoframe; |
| struct packed_hdmi_infoframe vendor_infoframe; |
| |
| pack_hdmi_infoframe(&avi_infoframe, avi, avi_size); |
| pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size); |
| |
| if (!(ctrl & 0x40000000)) { |
| nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000); |
| nvkm_mask(device, 0x690100 + hdmi, 0x00000001, 0x00000000); |
| nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000); |
| nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000); |
| return; |
| } |
| |
| /* AVI InfoFrame */ |
| nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000); |
| if (avi_size) { |
| nvkm_wr32(device, 0x690008 + hdmi, avi_infoframe.header); |
| nvkm_wr32(device, 0x69000c + hdmi, avi_infoframe.subpack0_low); |
| nvkm_wr32(device, 0x690010 + hdmi, avi_infoframe.subpack0_high); |
| nvkm_wr32(device, 0x690014 + hdmi, avi_infoframe.subpack1_low); |
| nvkm_wr32(device, 0x690018 + hdmi, avi_infoframe.subpack1_high); |
| nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000001); |
| } |
| |
| /* GENERIC(?) / Vendor InfoFrame? */ |
| nvkm_mask(device, 0x690100 + hdmi, 0x00010001, 0x00000000); |
| if (vendor_size) { |
| nvkm_wr32(device, 0x690108 + hdmi, vendor_infoframe.header); |
| nvkm_wr32(device, 0x69010c + hdmi, vendor_infoframe.subpack0_low); |
| nvkm_wr32(device, 0x690110 + hdmi, vendor_infoframe.subpack0_high); |
| /* Is there a second (or further?) set of subpack registers here? */ |
| nvkm_mask(device, 0x690100 + hdmi, 0x00000001, 0x00000001); |
| } |
| |
| |
| /* ??? InfoFrame? */ |
| nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000); |
| nvkm_wr32(device, 0x6900cc + hdmi, 0x00000010); |
| nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000001); |
| |
| /* ??? */ |
| nvkm_wr32(device, 0x690080 + hdmi, 0x82000000); |
| |
| /* HDMI_CTRL */ |
| nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl); |
| } |