Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 379 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
new file mode 100644
index 000000000..fc283a4a1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
@@ -0,0 +1,379 @@
+/*
+ * Copyright 2021 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.
+ */
+#define nvkm_uoutp(p) container_of((p), struct nvkm_outp, object)
+#include "outp.h"
+#include "dp.h"
+#include "head.h"
+#include "ior.h"
+
+#include <nvif/if0012.h>
+
+static int
+nvkm_uoutp_mthd_dp_mst_vcpi(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	struct nvkm_ior *ior = outp->ior;
+	union nvif_outp_dp_mst_vcpi_args *args = argv;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	if (!ior->func->dp || !ior->func->dp->vcpi || !nvkm_head_find(outp->disp, args->v0.head))
+		return -EINVAL;
+
+	ior->func->dp->vcpi(ior, args->v0.head, args->v0.start_slot, args->v0.num_slots,
+				 args->v0.pbn, args->v0.aligned_pbn);
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_dp_retrain(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	union nvif_outp_dp_retrain_args *args = argv;
+
+	if (argc != sizeof(args->vn))
+		return -ENOSYS;
+
+	if (!atomic_read(&outp->dp.lt.done))
+		return 0;
+
+	return outp->func->acquire(outp);
+}
+
+static int
+nvkm_uoutp_mthd_dp_aux_pwr(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	union nvif_outp_dp_aux_pwr_args *args = argv;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+
+	outp->dp.enabled = !!args->v0.state;
+	nvkm_dp_enable(outp, outp->dp.enabled);
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_hda_eld(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	struct nvkm_ior *ior = outp->ior;
+	union nvif_outp_hda_eld_args *args = argv;
+
+	if (argc < sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	argc -= sizeof(args->v0);
+
+	if (!ior->hda || !nvkm_head_find(outp->disp, args->v0.head))
+		return -EINVAL;
+	if (argc > 0x60)
+		return -E2BIG;
+
+	if (argc && args->v0.data[0]) {
+		if (outp->info.type == DCB_OUTPUT_DP)
+			ior->func->dp->audio(ior, args->v0.head, true);
+		ior->func->hda->hpd(ior, args->v0.head, true);
+		ior->func->hda->eld(ior, args->v0.head, args->v0.data, argc);
+	} else {
+		if (outp->info.type == DCB_OUTPUT_DP)
+			ior->func->dp->audio(ior, args->v0.head, false);
+		ior->func->hda->hpd(ior, args->v0.head, false);
+	}
+
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_infoframe(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	struct nvkm_ior *ior = outp->ior;
+	union nvif_outp_infoframe_args *args = argv;
+	ssize_t size = argc - sizeof(*args);
+
+	if (argc < sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	if (!nvkm_head_find(outp->disp, args->v0.head))
+		return -EINVAL;
+
+	switch (ior->func->hdmi ? args->v0.type : 0xff) {
+	case NVIF_OUTP_INFOFRAME_V0_AVI:
+		ior->func->hdmi->infoframe_avi(ior, args->v0.head, &args->v0.data, size);
+		return 0;
+	case NVIF_OUTP_INFOFRAME_V0_VSI:
+		ior->func->hdmi->infoframe_vsi(ior, args->v0.head, &args->v0.data, size);
+		return 0;
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int
+nvkm_uoutp_mthd_release(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	struct nvkm_head *head = outp->asy.head;
+	struct nvkm_ior *ior = outp->ior;
+	union nvif_outp_release_args *args = argv;
+
+	if (argc != sizeof(args->vn))
+		return -ENOSYS;
+
+	if (ior->func->hdmi && head) {
+		ior->func->hdmi->infoframe_avi(ior, head->id, NULL, 0);
+		ior->func->hdmi->infoframe_vsi(ior, head->id, NULL, 0);
+		ior->func->hdmi->ctrl(ior, head->id, false, 0, 0);
+	}
+
+	nvkm_outp_release(outp, NVKM_OUTP_USER);
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_acquire_dp(struct nvkm_outp *outp, u8 dpcd[DP_RECEIVER_CAP_SIZE],
+			   u8 link_nr, u8 link_bw, bool hda, bool mst)
+{
+	int ret;
+
+	ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, hda);
+	if (ret)
+		return ret;
+
+	memcpy(outp->dp.dpcd, dpcd, sizeof(outp->dp.dpcd));
+	outp->dp.lt.nr = link_nr;
+	outp->dp.lt.bw = link_bw;
+	outp->dp.lt.mst = mst;
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_acquire_tmds(struct nvkm_outp *outp, u8 head, u8 hdmi, u8 hdmi_max_ac_packet,
+			     u8 hdmi_rekey, u8 hdmi_scdc, u8 hdmi_hda)
+{
+	struct nvkm_ior *ior;
+	int ret;
+
+	if (!(outp->asy.head = nvkm_head_find(outp->disp, head)))
+		return -EINVAL;
+
+	ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, hdmi && hdmi_hda);
+	if (ret)
+		return ret;
+
+	ior = outp->ior;
+
+	if (hdmi) {
+		if (!ior->func->hdmi ||
+		    hdmi_max_ac_packet > 0x1f || hdmi_rekey > 0x7f ||
+		    (hdmi_scdc && !ior->func->hdmi->scdc)) {
+			nvkm_outp_release(outp, NVKM_OUTP_USER);
+			return -EINVAL;
+		}
+
+		ior->func->hdmi->ctrl(ior, head, hdmi, hdmi_max_ac_packet, hdmi_rekey);
+		if (ior->func->hdmi->scdc)
+			ior->func->hdmi->scdc(ior, hdmi_scdc);
+	}
+
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_acquire_lvds(struct nvkm_outp *outp, bool dual, bool bpc8)
+{
+	if (outp->info.type != DCB_OUTPUT_LVDS)
+		return -EINVAL;
+
+	outp->lvds.dual = dual;
+	outp->lvds.bpc8 = bpc8;
+
+	return nvkm_outp_acquire(outp, NVKM_OUTP_USER, false);
+}
+
+static int
+nvkm_uoutp_mthd_acquire(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	union nvif_outp_acquire_args *args = argv;
+	int ret;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	if (outp->ior)
+		return -EBUSY;
+
+	switch (args->v0.proto) {
+	case NVIF_OUTP_ACQUIRE_V0_RGB_CRT:
+		ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, false);
+		break;
+	case NVIF_OUTP_ACQUIRE_V0_TMDS:
+		ret = nvkm_uoutp_mthd_acquire_tmds(outp, args->v0.tmds.head,
+							 args->v0.tmds.hdmi,
+							 args->v0.tmds.hdmi_max_ac_packet,
+							 args->v0.tmds.hdmi_rekey,
+							 args->v0.tmds.hdmi_scdc,
+							 args->v0.tmds.hdmi_hda);
+		break;
+	case NVIF_OUTP_ACQUIRE_V0_LVDS:
+		ret = nvkm_uoutp_mthd_acquire_lvds(outp, args->v0.lvds.dual, args->v0.lvds.bpc8);
+		break;
+	case NVIF_OUTP_ACQUIRE_V0_DP:
+		ret = nvkm_uoutp_mthd_acquire_dp(outp, args->v0.dp.dpcd,
+						       args->v0.dp.link_nr,
+						       args->v0.dp.link_bw,
+						       args->v0.dp.hda != 0,
+						       args->v0.dp.mst != 0);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	if (ret)
+		return ret;
+
+	args->v0.or = outp->ior->id;
+	args->v0.link = outp->ior->asy.link;
+	return 0;
+}
+
+static int
+nvkm_uoutp_mthd_load_detect(struct nvkm_outp *outp, void *argv, u32 argc)
+{
+	union nvif_outp_load_detect_args *args = argv;
+	int ret;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+
+	ret = nvkm_outp_acquire(outp, NVKM_OUTP_PRIV, false);
+	if (ret == 0) {
+		if (outp->ior->func->sense) {
+			ret = outp->ior->func->sense(outp->ior, args->v0.data);
+			args->v0.load = ret < 0 ? 0 : ret;
+		} else {
+			ret = -EINVAL;
+		}
+		nvkm_outp_release(outp, NVKM_OUTP_PRIV);
+	}
+
+	return ret;
+}
+
+static int
+nvkm_uoutp_mthd_acquired(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc)
+{
+	switch (mthd) {
+	case NVIF_OUTP_V0_RELEASE    : return nvkm_uoutp_mthd_release    (outp, argv, argc);
+	case NVIF_OUTP_V0_INFOFRAME  : return nvkm_uoutp_mthd_infoframe  (outp, argv, argc);
+	case NVIF_OUTP_V0_HDA_ELD    : return nvkm_uoutp_mthd_hda_eld    (outp, argv, argc);
+	case NVIF_OUTP_V0_DP_RETRAIN : return nvkm_uoutp_mthd_dp_retrain (outp, argv, argc);
+	case NVIF_OUTP_V0_DP_MST_VCPI: return nvkm_uoutp_mthd_dp_mst_vcpi(outp, argv, argc);
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int
+nvkm_uoutp_mthd_noacquire(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc)
+{
+	switch (mthd) {
+	case NVIF_OUTP_V0_LOAD_DETECT: return nvkm_uoutp_mthd_load_detect(outp, argv, argc);
+	case NVIF_OUTP_V0_ACQUIRE    : return nvkm_uoutp_mthd_acquire    (outp, argv, argc);
+	case NVIF_OUTP_V0_DP_AUX_PWR : return nvkm_uoutp_mthd_dp_aux_pwr (outp, argv, argc);
+	default:
+		break;
+	}
+
+	return 1;
+}
+
+static int
+nvkm_uoutp_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc)
+{
+	struct nvkm_outp *outp = nvkm_uoutp(object);
+	struct nvkm_disp *disp = outp->disp;
+	int ret;
+
+	mutex_lock(&disp->super.mutex);
+
+	ret = nvkm_uoutp_mthd_noacquire(outp, mthd, argv, argc);
+	if (ret <= 0)
+		goto done;
+
+	if (outp->ior)
+		ret = nvkm_uoutp_mthd_acquired(outp, mthd, argv, argc);
+	else
+		ret = -EIO;
+
+done:
+	mutex_unlock(&disp->super.mutex);
+	return ret;
+}
+
+static void *
+nvkm_uoutp_dtor(struct nvkm_object *object)
+{
+	struct nvkm_outp *outp = nvkm_uoutp(object);
+	struct nvkm_disp *disp = outp->disp;
+
+	spin_lock(&disp->client.lock);
+	outp->object.func = NULL;
+	spin_unlock(&disp->client.lock);
+	return NULL;
+}
+
+static const struct nvkm_object_func
+nvkm_uoutp = {
+	.dtor = nvkm_uoutp_dtor,
+	.mthd = nvkm_uoutp_mthd,
+};
+
+int
+nvkm_uoutp_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject)
+{
+	struct nvkm_disp *disp = nvkm_udisp(oclass->parent);
+	struct nvkm_outp *outt, *outp = NULL;
+	union nvif_outp_args *args = argv;
+	int ret;
+
+	if (argc != sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+
+	list_for_each_entry(outt, &disp->outps, head) {
+		if (outt->index == args->v0.id) {
+			outp = outt;
+			break;
+		}
+	}
+
+	if (!outp)
+		return -EINVAL;
+
+	ret = -EBUSY;
+	spin_lock(&disp->client.lock);
+	if (!outp->object.func) {
+		nvkm_object_ctor(&nvkm_uoutp, oclass, &outp->object);
+		*pobject = &outp->object;
+		ret = 0;
+	}
+	spin_unlock(&disp->client.lock);
+	return ret;
+}