1 files changed, 556 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/outp.c b/drivers/gpu/drm/nouveau/nvif/outp.c
new file mode 100644
index 000000000000..32f6c5eb92af
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/outp.c
@@ -0,0 +1,556 @@
+/*
+ * 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.
+ */
+#include <nvif/outp.h>
+#include <nvif/disp.h>
+#include <nvif/printf.h>
+
+#include <nvif/class.h>
+
+int
+nvif_outp_dp_mst_vcpi(struct nvif_outp *outp, int head,
+		      u8 start_slot, u8 num_slots, u16 pbn, u16 aligned_pbn)
+{
+	struct nvif_outp_dp_mst_vcpi_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.head = head;
+	args.start_slot = start_slot;
+	args.num_slots = num_slots;
+	args.pbn = pbn;
+	args.aligned_pbn = aligned_pbn;
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_MST_VCPI, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object,
+		   "[DP_MST_VCPI head:%d start_slot:%02x num_slots:%02x pbn:%04x aligned_pbn:%04x]",
+		   args.head, args.start_slot, args.num_slots, args.pbn, args.aligned_pbn);
+	return ret;
+}
+
+int
+nvif_outp_dp_mst_id_put(struct nvif_outp *outp, u32 id)
+{
+	struct nvif_outp_dp_mst_id_get_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.id = id;
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_MST_ID_PUT, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DP_MST_ID_PUT id:%08x]", args.id);
+	return ret;
+}
+
+int
+nvif_outp_dp_mst_id_get(struct nvif_outp *outp, u32 *id)
+{
+	struct nvif_outp_dp_mst_id_get_v0 args;
+	int ret;
+
+	args.version = 0;
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_MST_ID_GET, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DP_MST_ID_GET] id:%08x", args.id);
+	if (ret)
+		return ret;
+
+	*id = args.id;
+	return 0;
+}
+
+int
+nvif_outp_dp_sst(struct nvif_outp *outp, int head, u32 watermark, u32 hblanksym, u32 vblanksym)
+{
+	struct nvif_outp_dp_sst_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.head = head;
+	args.watermark = watermark;
+	args.hblanksym = hblanksym;
+	args.vblanksym = vblanksym;
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_SST, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object,
+		   "[DP_SST head:%d watermark:%d hblanksym:%d vblanksym:%d]",
+		   args.head, args.watermark, args.hblanksym, args.vblanksym);
+	return ret;
+}
+
+int
+nvif_outp_dp_drive(struct nvif_outp *outp, u8 link_nr, u8 pe[4], u8 vs[4])
+{
+	struct nvif_outp_dp_drive_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.lanes   = link_nr;
+	memcpy(args.pe, pe, sizeof(args.pe));
+	memcpy(args.vs, vs, sizeof(args.vs));
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_DRIVE, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DP_DRIVE lanes:%d]", args.lanes);
+	return ret;
+}
+
+int
+nvif_outp_dp_train(struct nvif_outp *outp, u8 dpcd[DP_RECEIVER_CAP_SIZE], u8 lttprs,
+		   u8 link_nr, u32 link_bw, bool mst, bool post_lt_adj, bool retrain)
+{
+	struct nvif_outp_dp_train_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.retrain = retrain;
+	args.mst = mst;
+	args.lttprs = lttprs;
+	args.post_lt_adj = post_lt_adj;
+	args.link_nr = link_nr;
+	args.link_bw = link_bw;
+	memcpy(args.dpcd, dpcd, sizeof(args.dpcd));
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_TRAIN, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object,
+		   "[DP_TRAIN retrain:%d mst:%d lttprs:%d post_lt_adj:%d nr:%d bw:%d]",
+		   args.retrain, args.mst, args.lttprs, args.post_lt_adj, args.link_nr,
+		   args.link_bw);
+	return ret;
+}
+
+int
+nvif_outp_dp_rates(struct nvif_outp *outp, struct nvif_outp_dp_rate *rate, int rate_nr)
+{
+	struct nvif_outp_dp_rates_v0 args;
+	int ret;
+
+	if (rate_nr > ARRAY_SIZE(args.rate))
+		return -EINVAL;
+
+	args.version = 0;
+	args.rates = rate_nr;
+	for (int i = 0; i < args.rates; i++, rate++) {
+		args.rate[i].dpcd = rate->dpcd;
+		args.rate[i].rate = rate->rate;
+	}
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_RATES, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DP_RATES rates:%d]", args.rates);
+	return ret;
+}
+
+int
+nvif_outp_dp_aux_xfer(struct nvif_outp *outp, u8 type, u8 *psize, u32 addr, u8 *data)
+{
+	struct nvif_outp_dp_aux_xfer_v0 args;
+	u8 size = *psize;
+	int ret;
+
+	args.version = 0;
+	args.type = type;
+	args.size = size;
+	args.addr = addr;
+	memcpy(args.data, data, size);
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_AUX_XFER, &args, sizeof(args));
+	NVIF_DEBUG(&outp->object, "[DP_AUX_XFER type:%d size:%d addr:%05x] %d size:%d (ret: %d)",
+		   args.type, size, args.addr, ret, args.size, ret);
+	if (ret < 0)
+		return ret;
+
+	*psize = args.size;
+
+	memcpy(data, args.data, size);
+	return ret;
+}
+
+int
+nvif_outp_dp_aux_pwr(struct nvif_outp *outp, bool enable)
+{
+	struct nvif_outp_dp_aux_pwr_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.state = enable;
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_AUX_PWR, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DP_AUX_PWR state:%d]", args.state);
+	return ret;
+}
+
+int
+nvif_outp_hda_eld(struct nvif_outp *outp, int head, void *data, u32 size)
+{
+	DEFINE_RAW_FLEX(struct nvif_outp_hda_eld_v0, mthd, data, 128);
+	int ret;
+
+	if (WARN_ON(size > __member_size(mthd->data)))
+		return -EINVAL;
+
+	mthd->version = 0;
+	mthd->head = head;
+
+	memcpy(mthd->data, data, size);
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_HDA_ELD, mthd, sizeof(*mthd) + size);
+	NVIF_ERRON(ret, &outp->object, "[HDA_ELD head:%d size:%d]", head, size);
+	return ret;
+}
+
+int
+nvif_outp_infoframe(struct nvif_outp *outp, u8 type, struct nvif_outp_infoframe_v0 *args, u32 size)
+{
+	int ret;
+
+	args->type = type;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_INFOFRAME, args, sizeof(*args) + size);
+	NVIF_ERRON(ret, &outp->object, "[INFOFRAME type:%d size:%d]", type, size);
+	return ret;
+}
+
+int
+nvif_outp_hdmi(struct nvif_outp *outp, int head, bool enable, u8 max_ac_packet, u8 rekey,
+	       u32 khz, bool scdc, bool scdc_scrambling, bool scdc_low_rates)
+{
+	struct nvif_outp_hdmi_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.head = head;
+	args.enable = enable;
+	args.max_ac_packet = max_ac_packet;
+	args.rekey = rekey;
+	args.khz = khz;
+	args.scdc = scdc;
+	args.scdc_scrambling = scdc_scrambling;
+	args.scdc_low_rates = scdc_low_rates;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_HDMI, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object,
+		   "[HDMI head:%d enable:%d max_ac_packet:%d rekey:%d khz:%d scdc:%d "
+		   "scdc_scrambling:%d scdc_low_rates:%d]",
+		   args.head, args.enable, args.max_ac_packet, args.rekey, args.khz,
+		   args.scdc, args.scdc_scrambling, args.scdc_low_rates);
+	return ret;
+}
+
+int
+nvif_outp_lvds(struct nvif_outp *outp, bool dual, bool bpc8)
+{
+	struct nvif_outp_lvds_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.dual = dual;
+	args.bpc8 = bpc8;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_LVDS, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[LVDS dual:%d 8bpc:%d]", args.dual, args.bpc8);
+	return ret;
+}
+
+int
+nvif_outp_bl_set(struct nvif_outp *outp, int level)
+{
+	struct nvif_outp_bl_set_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.level = level;
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_BL_SET, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[BL_SET level:%d]", args.level);
+	return ret;
+}
+
+int
+nvif_outp_bl_get(struct nvif_outp *outp)
+{
+	struct nvif_outp_bl_get_v0 args;
+	int ret;
+
+	args.version = 0;
+
+	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_BL_GET, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[BL_GET level:%d]", args.level);
+	return ret ? ret : args.level;
+}
+
+void
+nvif_outp_release(struct nvif_outp *outp)
+{
+	int ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_RELEASE, NULL, 0);
+	NVIF_ERRON(ret, &outp->object, "[RELEASE]");
+	outp->or.id = -1;
+}
+
+static inline int
+nvif_outp_acquire(struct nvif_outp *outp, u8 type, struct nvif_outp_acquire_v0 *args)
+{
+	int ret;
+
+	args->version = 0;
+	args->type = type;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_ACQUIRE, args, sizeof(*args));
+	if (ret)
+		return ret;
+
+	outp->or.id = args->or;
+	outp->or.link = args->link;
+	return 0;
+}
+
+int
+nvif_outp_acquire_pior(struct nvif_outp *outp)
+{
+	struct nvif_outp_acquire_v0 args;
+	int ret;
+
+	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_PIOR, &args);
+	NVIF_ERRON(ret, &outp->object, "[ACQUIRE PIOR] or:%d", args.or);
+	return ret;
+}
+
+int
+nvif_outp_acquire_sor(struct nvif_outp *outp, bool hda)
+{
+	struct nvif_outp_acquire_v0 args;
+	int ret;
+
+	args.sor.hda = hda;
+
+	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_SOR, &args);
+	NVIF_ERRON(ret, &outp->object, "[ACQUIRE SOR] or:%d link:%d", args.or, args.link);
+	return ret;
+}
+
+int
+nvif_outp_acquire_dac(struct nvif_outp *outp)
+{
+	struct nvif_outp_acquire_v0 args;
+	int ret;
+
+	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_DAC, &args);
+	NVIF_ERRON(ret, &outp->object, "[ACQUIRE DAC] or:%d", args.or);
+	return ret;
+}
+
+static int
+nvif_outp_inherit(struct nvif_outp *outp,
+		  u8 proto,
+		  struct nvif_outp_inherit_v0 *args,
+		  u8 *proto_out)
+{
+	int ret;
+
+	args->version = 0;
+	args->proto = proto;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_INHERIT, args, sizeof(*args));
+	if (ret)
+		return ret;
+
+	outp->or.id = args->or;
+	outp->or.link = args->link;
+	*proto_out = args->proto;
+	return 0;
+}
+
+int
+nvif_outp_inherit_lvds(struct nvif_outp *outp, u8 *proto_out)
+{
+	struct nvif_outp_inherit_v0 args;
+	int ret;
+
+	ret = nvif_outp_inherit(outp, NVIF_OUTP_INHERIT_V0_LVDS, &args, proto_out);
+	NVIF_ERRON(ret && ret != -ENODEV, &outp->object, "[INHERIT proto:LVDS] ret:%d", ret);
+	return ret ?: args.head;
+}
+
+int
+nvif_outp_inherit_tmds(struct nvif_outp *outp, u8 *proto_out)
+{
+	struct nvif_outp_inherit_v0 args;
+	int ret;
+
+	ret = nvif_outp_inherit(outp, NVIF_OUTP_INHERIT_V0_TMDS, &args, proto_out);
+	NVIF_ERRON(ret && ret != -ENODEV, &outp->object, "[INHERIT proto:TMDS] ret:%d", ret);
+	return ret ?: args.head;
+}
+
+int
+nvif_outp_inherit_dp(struct nvif_outp *outp, u8 *proto_out)
+{
+	struct nvif_outp_inherit_v0 args;
+	int ret;
+
+	ret = nvif_outp_inherit(outp, NVIF_OUTP_INHERIT_V0_DP, &args, proto_out);
+	NVIF_ERRON(ret && ret != -ENODEV, &outp->object, "[INHERIT proto:DP] ret:%d", ret);
+
+	// TODO: Get current link info
+
+	return ret ?: args.head;
+}
+
+int
+nvif_outp_inherit_rgb_crt(struct nvif_outp *outp, u8 *proto_out)
+{
+	struct nvif_outp_inherit_v0 args;
+	int ret;
+
+	ret = nvif_outp_inherit(outp, NVIF_OUTP_INHERIT_V0_RGB_CRT, &args, proto_out);
+	NVIF_ERRON(ret && ret != -ENODEV, &outp->object, "[INHERIT proto:RGB_CRT] ret:%d", ret);
+	return ret ?: args.head;
+}
+
+int
+nvif_outp_load_detect(struct nvif_outp *outp, u32 loadval)
+{
+	struct nvif_outp_load_detect_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.data = loadval;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_LOAD_DETECT, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[LOAD_DETECT data:%08x] load:%02x", args.data, args.load);
+	return ret < 0 ? ret : args.load;
+}
+
+int
+nvif_outp_edid_get(struct nvif_outp *outp, u8 **pedid)
+{
+	struct nvif_outp_edid_get_v0 *args;
+	int ret;
+
+	args = kmalloc(sizeof(*args), GFP_KERNEL);
+	if (!args)
+		return -ENOMEM;
+
+	args->version = 0;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_EDID_GET, args, sizeof(*args));
+	NVIF_ERRON(ret, &outp->object, "[EDID_GET] size:%d", args->size);
+	if (ret)
+		goto done;
+
+	*pedid = kmemdup(args->data, args->size, GFP_KERNEL);
+	if (!*pedid) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	ret = args->size;
+done:
+	kfree(args);
+	return ret;
+}
+
+enum nvif_outp_detect_status
+nvif_outp_detect(struct nvif_outp *outp)
+{
+	struct nvif_outp_detect_v0 args;
+	int ret;
+
+	args.version = 0;
+
+	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_DETECT, &args, sizeof(args));
+	NVIF_ERRON(ret, &outp->object, "[DETECT] status:%02x", args.status);
+	if (ret)
+		return UNKNOWN;
+
+	switch (args.status) {
+	case NVIF_OUTP_DETECT_V0_NOT_PRESENT: return NOT_PRESENT;
+	case NVIF_OUTP_DETECT_V0_PRESENT: return PRESENT;
+	case NVIF_OUTP_DETECT_V0_UNKNOWN: return UNKNOWN;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	return UNKNOWN;
+}
+
+void
+nvif_outp_dtor(struct nvif_outp *outp)
+{
+	nvif_object_dtor(&outp->object);
+}
+
+int
+nvif_outp_ctor(struct nvif_disp *disp, const char *name, int id, struct nvif_outp *outp)
+{
+	struct nvif_outp_v0 args;
+	int ret;
+
+	args.version = 0;
+	args.id = id;
+
+	ret = nvif_object_ctor(&disp->object, name ?: "nvifOutp", id, NVIF_CLASS_OUTP,
+			       &args, sizeof(args), &outp->object);
+	NVIF_ERRON(ret, &disp->object, "[NEW outp id:%d]", id);
+	if (ret)
+		return ret;
+
+	outp->id = args.id;
+
+	switch (args.type) {
+	case NVIF_OUTP_V0_TYPE_DAC : outp->info.type = NVIF_OUTP_DAC; break;
+	case NVIF_OUTP_V0_TYPE_SOR : outp->info.type = NVIF_OUTP_SOR; break;
+	case NVIF_OUTP_V0_TYPE_PIOR: outp->info.type = NVIF_OUTP_PIOR; break;
+		break;
+	default:
+		WARN_ON(1);
+		nvif_outp_dtor(outp);
+		return -EINVAL;
+	}
+
+	switch (args.proto) {
+	case NVIF_OUTP_V0_PROTO_RGB_CRT:
+		outp->info.proto = NVIF_OUTP_RGB_CRT;
+		outp->info.rgb_crt.freq_max = args.rgb_crt.freq_max;
+		break;
+	case NVIF_OUTP_V0_PROTO_TMDS:
+		outp->info.proto = NVIF_OUTP_TMDS;
+		outp->info.tmds.dual = args.tmds.dual;
+		break;
+	case NVIF_OUTP_V0_PROTO_LVDS:
+		outp->info.proto = NVIF_OUTP_LVDS;
+		outp->info.lvds.acpi_edid = args.lvds.acpi_edid;
+		break;
+	case NVIF_OUTP_V0_PROTO_DP:
+		outp->info.proto = NVIF_OUTP_DP;
+		outp->info.dp.aux = args.dp.aux;
+		outp->info.dp.mst = args.dp.mst;
+		outp->info.dp.increased_wm = args.dp.increased_wm;
+		outp->info.dp.link_nr = args.dp.link_nr;
+		outp->info.dp.link_bw = args.dp.link_bw;
+		break;
+	default:
+		WARN_ON(1);
+		nvif_outp_dtor(outp);
+		return -EINVAL;
+	}
+
+	outp->info.heads = args.heads;
+	outp->info.ddc = args.ddc;
+	outp->info.conn = args.conn;
+
+	outp->or.id = -1;
+	return 0;
+}