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From: Jonathan Marek <jonathan@marek.ca>
To: linux-arm-msm@vger.kernel.org
Cc: robert.foss@linaro.org, andrey.konovalov@linaro.org,
	Todor Tomov <todor.too@gmail.com>, Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org (open list:QUALCOMM CAMERA SUBSYSTEM
	DRIVER), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 16/17] media: camss: add support for SM8250 camss
Date: Tue,  8 Jun 2021 18:35:05 -0400	[thread overview]
Message-ID: <20210608223513.23193-17-jonathan@marek.ca> (raw)
In-Reply-To: <20210608223513.23193-1-jonathan@marek.ca>

The Titan 480 camss found on SM8250 has 6 CSIPHY and 4 VFE/CSID.

CSID is compatible with the Titan 170 CSID, but the Titan 480 CSID are
inside the VFE region (between the "top" and "bus" registers), so a
workaround is added to avoid ioremap failure.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
---
 drivers/media/platform/qcom/camss/Makefile    |   2 +-
 .../{camss-csid-170.c => camss-csid-gen2.c}   |   2 +-
 .../media/platform/qcom/camss/camss-csid.c    |  28 ++-
 .../media/platform/qcom/camss/camss-csid.h    |   2 +-
 .../media/platform/qcom/camss/camss-csiphy.c  |   8 +-
 drivers/media/platform/qcom/camss/camss-vfe.c |   9 +-
 .../media/platform/qcom/camss/camss-video.c   |   3 +-
 drivers/media/platform/qcom/camss/camss.c     | 199 ++++++++++++++++--
 8 files changed, 227 insertions(+), 26 deletions(-)
 rename drivers/media/platform/qcom/camss/{camss-csid-170.c => camss-csid-gen2.c} (99%)

diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile
index 81dd56aff0f27..4e22223589739 100644
--- a/drivers/media/platform/qcom/camss/Makefile
+++ b/drivers/media/platform/qcom/camss/Makefile
@@ -6,7 +6,7 @@ qcom-camss-objs += \
 		camss-csid.o \
 		camss-csid-4-1.o \
 		camss-csid-4-7.o \
-		camss-csid-170.o \
+		camss-csid-gen2.o \
 		camss-csiphy-2ph-1-0.o \
 		camss-csiphy-3ph-1-0.o \
 		camss-csiphy.o \
diff --git a/drivers/media/platform/qcom/camss/camss-csid-170.c b/drivers/media/platform/qcom/camss/camss-csid-gen2.c
similarity index 99%
rename from drivers/media/platform/qcom/camss/camss-csid-170.c
rename to drivers/media/platform/qcom/camss/camss-csid-gen2.c
index 9e54d251793fc..abbfbf4488934 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-170.c
+++ b/drivers/media/platform/qcom/camss/camss-csid-gen2.c
@@ -594,7 +594,7 @@ static void csid_subdev_init(struct csid_device *csid)
 	csid->testgen.nmodes = CSID_PAYLOAD_MODE_NUM_SUPPORTED_GEN2;
 }
 
-const struct csid_hw_ops csid_ops_170 = {
+const struct csid_hw_ops csid_ops_gen2 = {
 	.configure_stream = csid_configure_stream,
 	.configure_testgen_pattern = csid_configure_testgen_pattern,
 	.hw_version = csid_hw_version,
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index 528674dea06ca..b4c068a152f73 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -25,6 +25,10 @@
 #include "camss-csid-gen1.h"
 #include "camss.h"
 
+/* offset of CSID registers in VFE region for VFE 480 */
+#define VFE_480_CSID_OFFSET 0x1200
+#define VFE_480_LITE_CSID_OFFSET 0x200
+
 #define MSM_CSID_NAME "msm_csid"
 
 const char * const csid_testgen_modes[] = {
@@ -560,8 +564,9 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 	} else if (camss->version == CAMSS_8x96 ||
 		   camss->version == CAMSS_660) {
 		csid->ops = &csid_ops_4_7;
-	} else if (camss->version == CAMSS_845) {
-		csid->ops = &csid_ops_170;
+	} else if (camss->version == CAMSS_845 ||
+		   camss->version == CAMSS_8250) {
+		csid->ops = &csid_ops_gen2;
 	} else {
 		return -EINVAL;
 	}
@@ -569,10 +574,21 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 
 	/* Memory */
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
-	csid->base = devm_ioremap_resource(dev, r);
-	if (IS_ERR(csid->base))
-		return PTR_ERR(csid->base);
+	if (camss->version == CAMSS_8250) {
+		/* for titan 480, CSID registers are inside the VFE region,
+		 * between the VFE "top" and "bus" registers. this requires
+		 * VFE to be initialized before CSID
+		 */
+		if (id >= 2) /* VFE/CSID lite */
+			csid->base = camss->vfe[id].base + VFE_480_LITE_CSID_OFFSET;
+		else
+			csid->base = camss->vfe[id].base + VFE_480_CSID_OFFSET;
+	} else {
+		r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
+		csid->base = devm_ioremap_resource(dev, r);
+		if (IS_ERR(csid->base))
+			return PTR_ERR(csid->base);
+	}
 
 	/* Interrupt */
 
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index 814ebc7c29d65..17a50fa426be1 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -205,7 +205,7 @@ extern const char * const csid_testgen_modes[];
 
 extern const struct csid_hw_ops csid_ops_4_1;
 extern const struct csid_hw_ops csid_ops_4_7;
-extern const struct csid_hw_ops csid_ops_170;
+extern const struct csid_hw_ops csid_ops_gen2;
 
 
 #endif /* QC_MSM_CAMSS_CSID_H */
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index f82f1e2aa6883..1d10c816acf5c 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -582,7 +582,8 @@ int msm_csiphy_subdev_init(struct camss *camss,
 		csiphy->ops = &csiphy_ops_3ph_1_0;
 		csiphy->formats = csiphy_formats_8x96;
 		csiphy->nformats = ARRAY_SIZE(csiphy_formats_8x96);
-	} else if (camss->version == CAMSS_845) {
+	} else if (camss->version == CAMSS_845 ||
+		   camss->version == CAMSS_8250) {
 		csiphy->ops = &csiphy_ops_3ph_1_0;
 		csiphy->formats = csiphy_formats_sdm845;
 		csiphy->nformats = ARRAY_SIZE(csiphy_formats_sdm845);
@@ -679,7 +680,10 @@ int msm_csiphy_subdev_init(struct camss *camss,
 
 		if (!strcmp(clock->name, "csiphy0_timer") ||
 		    !strcmp(clock->name, "csiphy1_timer") ||
-		    !strcmp(clock->name, "csiphy2_timer"))
+		    !strcmp(clock->name, "csiphy2_timer") ||
+		    !strcmp(clock->name, "csiphy3_timer") ||
+		    !strcmp(clock->name, "csiphy4_timer") ||
+		    !strcmp(clock->name, "csiphy5_timer"))
 			csiphy->rate_set[i] = true;
 
 		if (camss->version == CAMSS_660 &&
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index b08bded2344e6..48d05ece0dcc1 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -220,7 +220,8 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
 		}
 	else if (vfe->camss->version == CAMSS_8x96 ||
 		 vfe->camss->version == CAMSS_660 ||
-		 vfe->camss->version == CAMSS_845)
+		 vfe->camss->version == CAMSS_845 ||
+		 vfe->camss->version == CAMSS_8250)
 		switch (sink_code) {
 		case MEDIA_BUS_FMT_YUYV8_2X8:
 		{
@@ -1278,6 +1279,9 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
 	case CAMSS_845:
 		vfe->ops = &vfe_ops_170;
 		break;
+	case CAMSS_8250:
+		vfe->ops = &vfe_ops_480;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1389,7 +1393,8 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
 				l->formats = formats_rdi_8x96;
 				l->nformats = ARRAY_SIZE(formats_rdi_8x96);
 			}
-		} else if (camss->version == CAMSS_845) {
+		} else if (camss->version == CAMSS_845 ||
+			   camss->version == CAMSS_8250) {
 			l->formats = formats_rdi_845;
 			l->nformats = ARRAY_SIZE(formats_rdi_845);
 		} else {
diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c
index 54e77d30d452c..5dc1ddbe6d658 100644
--- a/drivers/media/platform/qcom/camss/camss-video.c
+++ b/drivers/media/platform/qcom/camss/camss-video.c
@@ -1011,7 +1011,8 @@ int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
 			video->formats = formats_rdi_8x96;
 			video->nformats = ARRAY_SIZE(formats_rdi_8x96);
 		}
-	}  else if (video->camss->version == CAMSS_845) {
+	}  else if (video->camss->version == CAMSS_845 ||
+		    video->camss->version == CAMSS_8250) {
 		video->formats = formats_rdi_845;
 		video->nformats = ARRAY_SIZE(formats_rdi_845);
 	} else {
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index c08d6d6f6f90d..14a1a6e524345 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -662,6 +662,165 @@ static const struct resources vfe_res_845[] = {
 	}
 };
 
+static const struct resources csiphy_res_8250[] = {
+	/* CSIPHY0 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy0", "csiphy0_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy0" },
+		.interrupt = { "csiphy0" }
+	},
+	/* CSIPHY1 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy1", "csiphy1_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy1" },
+		.interrupt = { "csiphy1" }
+	},
+	/* CSIPHY2 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy2", "csiphy2_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy2" },
+		.interrupt = { "csiphy2" }
+	},
+	/* CSIPHY3 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy3", "csiphy3_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy3" },
+		.interrupt = { "csiphy3" }
+	},
+	/* CSIPHY4 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy4", "csiphy4_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy4" },
+		.interrupt = { "csiphy4" }
+	},
+	/* CSIPHY5 */
+	{
+		.regulator = { NULL },
+		.clock = { "csiphy5", "csiphy5_timer" },
+		.clock_rate = { { 400000000 },
+				{ 300000000 } },
+		.reg = { "csiphy5" },
+		.interrupt = { "csiphy5" }
+	}
+};
+
+static const struct resources csid_res_8250[] = {
+	/* CSID0 */
+	{
+		.regulator = { NULL },
+		.clock = { "vfe0_csid", "vfe0_cphy_rx", "vfe0", "vfe0_areg", "vfe0_ahb" },
+		.clock_rate = { { 400000000 },
+				{ 400000000 },
+				{ 350000000, 475000000, 576000000, 720000000 },
+				{ 100000000, 200000000, 300000000, 400000000 },
+				{ 0 } },
+		.reg = { "csid0" },
+		.interrupt = { "csid0" }
+	},
+	/* CSID1 */
+	{
+		.regulator = { NULL },
+		.clock = { "vfe1_csid", "vfe1_cphy_rx", "vfe1", "vfe1_areg", "vfe1_ahb" },
+		.clock_rate = { { 400000000 },
+				{ 400000000 },
+				{ 350000000, 475000000, 576000000, 720000000 },
+				{ 100000000, 200000000, 300000000, 400000000 },
+				{ 0 } },
+		.reg = { "csid1" },
+		.interrupt = { "csid1" }
+	},
+	/* CSID2 */
+	{
+		.regulator = { NULL },
+		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
+		.clock_rate = { { 400000000 },
+				{ 400000000 },
+				{ 400000000, 480000000 },
+				{ 0 } },
+		.reg = { "csid2" },
+		.interrupt = { "csid2" }
+	},
+	/* CSID3 */
+	{
+		.regulator = { NULL },
+		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
+		.clock_rate = { { 400000000 },
+				{ 400000000 },
+				{ 400000000, 480000000 },
+				{ 0 } },
+		.reg = { "csid3" },
+		.interrupt = { "csid3" }
+	}
+};
+
+static const struct resources vfe_res_8250[] = {
+	/* VFE0 */
+	{
+		.regulator = { NULL },
+		.clock = { "camnoc_axi", "vfe0_ahb", "vfe0_areg", "vfe0", "vfe0_axi", "cam_hf_axi" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 0 },
+				{ 100000000, 200000000, 300000000, 400000000 },
+				{ 350000000, 475000000, 576000000, 720000000 },
+				{ 0 },
+				{ 0 } },
+		.reg = { "vfe0" },
+		.interrupt = { "vfe0" }
+	},
+	/* VFE1 */
+	{
+		.regulator = { NULL },
+		.clock = { "camnoc_axi", "vfe1_ahb", "vfe1_areg", "vfe1", "vfe1_axi", "cam_hf_axi" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 0 },
+				{ 100000000, 200000000, 300000000, 400000000 },
+				{ 350000000, 475000000, 576000000, 720000000 },
+				{ 0 },
+				{ 0 } },
+		.reg = { "vfe1" },
+		.interrupt = { "vfe1" }
+	},
+	/* VFE2 (lite) */
+	{
+		.regulator = { NULL },
+		.clock = { "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi", "vfe_lite", "cam_hf_axi" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 0 },
+				{ 0 },
+				{ 400000000, 480000000 },
+				{ 0 } },
+		.reg = { "vfe_lite0" },
+		.interrupt = { "vfe_lite0" }
+	},
+	/* VFE3 (lite) */
+	{
+		.regulator = { NULL },
+		.clock = { "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi", "vfe_lite", "cam_hf_axi" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 0 },
+				{ 0 },
+				{ 400000000, 480000000 },
+				{ 0 } },
+		.reg = { "vfe_lite1" },
+		.interrupt = { "vfe_lite1" }
+	},
+};
+
 /*
  * camss_add_clock_margin - Add margin to clock frequency rate
  * @rate: Clock frequency rate
@@ -945,6 +1104,12 @@ static int camss_init_subdevices(struct camss *camss)
 		/* Titan VFEs don't have an ISPIF  */
 		ispif_res = NULL;
 		vfe_res = vfe_res_845;
+	} else if (camss->version == CAMSS_8250) {
+		csiphy_res = csiphy_res_8250;
+		csid_res = csid_res_8250;
+		/* Titan VFEs don't have an ISPIF  */
+		ispif_res = NULL;
+		vfe_res = vfe_res_8250;
 	} else {
 		return -EINVAL;
 	}
@@ -960,6 +1125,17 @@ static int camss_init_subdevices(struct camss *camss)
 		}
 	}
 
+	/* note: SM8250 requires VFE to be initialized before CSID */
+	for (i = 0; i < camss->vfe_num; i++) {
+		ret = msm_vfe_subdev_init(camss, &camss->vfe[i],
+					  &vfe_res[i], i);
+		if (ret < 0) {
+			dev_err(camss->dev,
+				"Fail to init vfe%d sub-device: %d\n", i, ret);
+			return ret;
+		}
+	}
+
 	for (i = 0; i < camss->csid_num; i++) {
 		ret = msm_csid_subdev_init(camss, &camss->csid[i],
 					   &csid_res[i], i);
@@ -978,16 +1154,6 @@ static int camss_init_subdevices(struct camss *camss)
 		return ret;
 	}
 
-	for (i = 0; i < camss->vfe_num; i++) {
-		ret = msm_vfe_subdev_init(camss, &camss->vfe[i],
-					  &vfe_res[i], i);
-		if (ret < 0) {
-			dev_err(camss->dev,
-				"Fail to init vfe%d sub-device: %d\n", i, ret);
-			return ret;
-		}
-	}
-
 	return 0;
 }
 
@@ -1250,7 +1416,8 @@ static int camss_configure_pd(struct camss *camss)
 	if (camss->version == CAMSS_8x96 ||
 	    camss->version == CAMSS_660)
 		nbr_pm_domains = PM_DOMAIN_GEN1_COUNT;
-	else if (camss->version == CAMSS_845)
+	else if (camss->version == CAMSS_845 ||
+		 camss->version == CAMSS_8250)
 		nbr_pm_domains = PM_DOMAIN_GEN2_COUNT;
 
 	for (i = 0; i < nbr_pm_domains; i++) {
@@ -1326,6 +1493,12 @@ static int camss_probe(struct platform_device *pdev)
 		camss->csiphy_num = 4;
 		camss->csid_num = 3;
 		camss->vfe_num = 3;
+	} else if (of_device_is_compatible(dev->of_node,
+					   "qcom,sm8250-camss")) {
+		camss->version = CAMSS_8250;
+		camss->csiphy_num = 6;
+		camss->csid_num = 4;
+		camss->vfe_num = 4;
 	} else {
 		ret = -EINVAL;
 		goto err_free;
@@ -1457,7 +1630,8 @@ void camss_delete(struct camss *camss)
 	if (camss->version == CAMSS_8x96 ||
 	    camss->version == CAMSS_660)
 		nbr_pm_domains = PM_DOMAIN_GEN1_COUNT;
-	else if (camss->version == CAMSS_845)
+	else if (camss->version == CAMSS_845 ||
+		 camss->version == CAMSS_8250)
 		nbr_pm_domains = PM_DOMAIN_GEN2_COUNT;
 
 	for (i = 0; i < nbr_pm_domains; i++) {
@@ -1493,6 +1667,7 @@ static const struct of_device_id camss_dt_match[] = {
 	{ .compatible = "qcom,msm8996-camss" },
 	{ .compatible = "qcom,sdm660-camss" },
 	{ .compatible = "qcom,sdm845-camss" },
+	{ .compatible = "qcom,sm8250-camss" },
 	{ }
 };
 
-- 
2.26.1


  parent reply	other threads:[~2021-06-08 22:38 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-08 22:34 [PATCH 00/17] CAMSS: SM8250 support (and some fixes) Jonathan Marek
2021-06-08 22:34 ` [PATCH 01/17] media: camss: csiphy-3ph: don't print HW version as an error Jonathan Marek
2021-06-08 22:34 ` [PATCH 02/17] media: camss: csiphy-3ph: disable interrupts Jonathan Marek
2021-06-08 22:34 ` [PATCH 03/17] media: camss: csiphy-3ph: add support for SM8250 CSI DPHY Jonathan Marek
2021-06-08 22:34 ` [PATCH 04/17] media: camss: csid-170: fix non-10bit formats Jonathan Marek
2021-06-08 22:34 ` [PATCH 05/17] media: camss: csid-170: don't enable unused irqs Jonathan Marek
2021-06-08 22:34 ` [PATCH 06/17] media: camss: csid-170: remove stray comment Jonathan Marek
2021-06-08 22:34 ` [PATCH 07/17] media: camss: csid-170: support more than one lite vfe Jonathan Marek
2021-06-08 22:34 ` [PATCH 08/17] media: camss: csid-170: set the right HALT_CMD when disabled Jonathan Marek
2021-06-08 22:34 ` [PATCH 09/17] media: camss: csid: allow csid to work without a regulator Jonathan Marek
2021-06-10  8:01   ` Robert Foss
2021-06-08 22:34 ` [PATCH 10/17] media: camss: remove vdda-csiN from sdm845 resources Jonathan Marek
2021-06-08 22:35 ` [PATCH 11/17] media: camss: fix VFE irq name Jonathan Marek
2021-06-08 22:35 ` [PATCH 12/17] media: camss: remove some vfe ops and clean up dead vfe-170 code Jonathan Marek
2021-06-09  3:23   ` kernel test robot
2021-06-10  5:23   ` kernel test robot
2021-06-10 12:37   ` Robert Foss
2021-06-08 22:35 ` [PATCH 13/17] media: camss: vfe-170: fix "VFE halt timeout" error Jonathan Marek
2021-06-08 22:35 ` [PATCH 14/17] media: camss: Add initial support for VFE hardware version Titan 480 Jonathan Marek
2021-06-10 12:40   ` Robert Foss
2021-06-08 22:35 ` [PATCH 15/17] media: camss: add support for V4L2_PIX_FMT_GREY for sdm845 HW Jonathan Marek
2021-06-08 22:35 ` Jonathan Marek [this message]
2021-06-10  8:03   ` [PATCH 16/17] media: camss: add support for SM8250 camss Robert Foss
2021-06-08 22:35 ` [PATCH 17/17] media: dt-bindings: media: camss: Add qcom,sm8250-camss binding Jonathan Marek
2021-06-09 16:16   ` Rob Herring
2021-06-09 22:10   ` Rob Herring
2021-06-09 22:32     ` Jonathan Marek
2021-06-16 18:16 ` [PATCH 00/17] CAMSS: SM8250 support (and some fixes) Andrey Konovalov
  -- strict thread matches above, loose matches on Subject: below --
2021-05-11 18:07 Jonathan Marek
2021-05-11 18:07 ` [PATCH 16/17] media: camss: add support for SM8250 camss Jonathan Marek
2021-05-31 16:07   ` Robert Foss

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