diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c new file mode 100644 index 000000000..3ff49344a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c @@ -0,0 +1,84 @@ +/* + * Copyright 2018 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. + */ +#include "hdmi.h" + +void +gv100_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, 0x6165c0 + hoff, 0x40000000, 0x00000000); + nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000000); + nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000); + nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000); + return; + } + + /* AVI InfoFrame (AVI). */ + nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000); + if (avi_size) { + nvkm_wr32(device, 0x6f0008 + hdmi, avi_infoframe.header); + nvkm_wr32(device, 0x6f000c + hdmi, avi_infoframe.subpack0_low); + nvkm_wr32(device, 0x6f0010 + hdmi, avi_infoframe.subpack0_high); + nvkm_wr32(device, 0x6f0014 + hdmi, avi_infoframe.subpack1_low); + nvkm_wr32(device, 0x6f0018 + hdmi, avi_infoframe.subpack1_high); + nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000001); + } + + /* Vendor-specific InfoFrame (VSI). */ + nvkm_mask(device, 0x6f0100 + hdmi, 0x00010001, 0x00000000); + if (vendor_size) { + nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header); + nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low); + nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high); + nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000); + nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000); + nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000); + nvkm_wr32(device, 0x6f0120 + hdmi, 0x00000000); + nvkm_wr32(device, 0x6f0124 + hdmi, 0x00000000); + nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000001); + } + + + /* General Control (GCP). */ + nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000); + nvkm_wr32(device, 0x6f00cc + hdmi, 0x00000010); + nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000001); + + /* Audio Clock Regeneration (ACR). */ + nvkm_wr32(device, 0x6f0080 + hdmi, 0x82000000); + + /* NV_PDISP_SF_HDMI_CTRL. */ + nvkm_mask(device, 0x6165c0 + hoff, 0x401f007f, ctrl); +} |