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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
new file mode 100644
index 000000000..0993d223b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2012 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
+gt215_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 |
+ 0x1f000000 /* ??? */ |
+ max_ac_packet << 16 |
+ rekey;
+ const u32 soff = nv50_ior_base(ior);
+ 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, 0x61c5a4 + soff, 0x40000000, 0x00000000);
+ nvkm_mask(device, 0x61c53c + soff, 0x00000001, 0x00000000);
+ nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
+ nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
+ return;
+ }
+
+ /* AVI InfoFrame */
+ nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
+ if (avi_size) {
+ nvkm_wr32(device, 0x61c528 + soff, avi_infoframe.header);
+ nvkm_wr32(device, 0x61c52c + soff, avi_infoframe.subpack0_low);
+ nvkm_wr32(device, 0x61c530 + soff, avi_infoframe.subpack0_high);
+ nvkm_wr32(device, 0x61c534 + soff, avi_infoframe.subpack1_low);
+ nvkm_wr32(device, 0x61c538 + soff, avi_infoframe.subpack1_high);
+ nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000001);
+ }
+
+ /* Audio InfoFrame */
+ nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
+ nvkm_wr32(device, 0x61c508 + soff, 0x000a0184);
+ nvkm_wr32(device, 0x61c50c + soff, 0x00000071);
+ nvkm_wr32(device, 0x61c510 + soff, 0x00000000);
+ nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000001);
+
+ /* Vendor InfoFrame */
+ nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010000);
+ if (vendor_size) {
+ nvkm_wr32(device, 0x61c544 + soff, vendor_infoframe.header);
+ nvkm_wr32(device, 0x61c548 + soff, vendor_infoframe.subpack0_low);
+ nvkm_wr32(device, 0x61c54c + soff, vendor_infoframe.subpack0_high);
+ /* Is there a second (or up to fourth?) set of subpack registers here? */
+ /* nvkm_wr32(device, 0x61c550 + soff, vendor_infoframe.subpack1_low); */
+ /* nvkm_wr32(device, 0x61c554 + soff, vendor_infoframe.subpack1_high); */
+ nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010001);
+ }
+
+ nvkm_mask(device, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
+ nvkm_mask(device, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
+ nvkm_mask(device, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
+
+ /* ??? */
+ nvkm_mask(device, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
+ nvkm_mask(device, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
+ nvkm_mask(device, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
+
+ /* HDMI_CTRL */
+ nvkm_mask(device, 0x61c5a4 + soff, 0x5f1f007f, ctrl);
+}