linux-kernel - [PATCH v3 12/22] media: camss: Enable SDM845

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Message-Id: <20210127144930.2158242-13-robert.foss@linaro.org>
Date:   Wed, 27 Jan 2021 15:49:20 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org,
        robert.foss@...aro.org, todor.too@...il.com, mchehab@...nel.org,
        robh+dt@...nel.org, catalin.marinas@....com, will@...nel.org,
        shawnguo@...nel.org, leoyang.li@....com, geert+renesas@...der.be,
        arnd@...db.de, Anson.Huang@....com, michael@...le.cc,
        agx@...xcpu.org, max.oss.09@...il.com,
        angelogioacchino.delregno@...ainline.org,
        linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        AngeloGioacchino Del Regno <kholk11@...il.com>,
        Rob Herring <robh@...nel.org>,
        Andrey Konovalov <andrey.konovalov@...aro.org>
Cc:     Tomasz Figa <tfiga@...omium.org>,
        Azam Sadiq Pasha Kapatrala Syed <akapatra@...cinc.com>,
        Sarvesh Sridutt <Sarvesh.Sridutt@...rtwirelesscompute.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Jonathan Marek <jonathan@...ek.ca>
Subject: [PATCH v3 12/22] media: camss: Enable SDM845

Enable support for SDM845 based Titan 170 ISPs.

Signed-off-by: Robert Foss <robert.foss@...aro.org>
---
 drivers/media/platform/qcom/camss/camss.c | 17 +++++++++++++++++
 drivers/media/platform/qcom/camss/camss.h |  6 ++++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 22f9d7d7085a..5ce7cae2ab9b 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -897,6 +897,12 @@ static int camss_init_subdevices(struct camss *camss)
 		csid_res = csid_res_660;
 		ispif_res = &ispif_res_660;
 		vfe_res = vfe_res_660;
+	}  else if (camss->version == CAMSS_845) {
+		csiphy_res = csiphy_res_845;
+		csid_res = csid_res_845;
+		/* Titan VFEs don't have an ISPIF  */
+		ispif_res = NULL;
+		vfe_res = vfe_res_845;
 	} else {
 		return -EINVAL;
 	}
@@ -1203,6 +1209,8 @@ static int camss_configure_pd(struct camss *camss)
 	if (camss->version == CAMSS_8x96 ||
 	    camss->version == CAMSS_660)
 		nbr_pm_domains = PM_DOMAIN_CAMSS_COUNT;
+	else if (camss->version == CAMSS_845)
+		nbr_pm_domains = PM_DOMAIN_TITAN_COUNT;
 
 	for (i = 0; i < nbr_pm_domains; i++) {
 		camss->genpd[i] = dev_pm_domain_attach_by_id(camss->dev, i);
@@ -1271,6 +1279,12 @@ static int camss_probe(struct platform_device *pdev)
 		camss->csiphy_num = 3;
 		camss->csid_num = 4;
 		camss->vfe_num = 2;
+	} else if (of_device_is_compatible(dev->of_node,
+					   "qcom,sdm845-camss")) {
+		camss->version = CAMSS_845;
+		camss->csiphy_num = 4;
+		camss->csid_num = 3;
+		camss->vfe_num = 3;
 	} else {
 		ret = -EINVAL;
 		goto err_free;
@@ -1402,6 +1416,8 @@ void camss_delete(struct camss *camss)
 	if (camss->version == CAMSS_8x96 ||
 	    camss->version == CAMSS_660)
 		nbr_pm_domains = PM_DOMAIN_CAMSS_COUNT;
+	else if (camss->version == CAMSS_845)
+		nbr_pm_domains = PM_DOMAIN_TITAN_COUNT;
 
 	for (i = 0; i < nbr_pm_domains; i++) {
 		device_link_del(camss->genpd_link[i]);
@@ -1435,6 +1451,7 @@ static const struct of_device_id camss_dt_match[] = {
 	{ .compatible = "qcom,msm8916-camss" },
 	{ .compatible = "qcom,msm8996-camss" },
 	{ .compatible = "qcom,sdm660-camss" },
+	{ .compatible = "qcom,sdm845-camss" },
 	{ }
 };
 
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 7560d85b3352..2f853557ed16 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -60,6 +60,8 @@ enum pm_domain {
 	PM_DOMAIN_VFE0 = 0,
 	PM_DOMAIN_VFE1 = 1,
 	PM_DOMAIN_CAMSS_COUNT = 2,	/* CAMSS series of ISPs */
+	PM_DOMAIN_VFELITE = 2,		/* VFELITE / TOP GDSC */
+	PM_DOMAIN_TITAN_COUNT = 3,	/* Titan series of ISPs */
 };
 
 enum camss_version {
@@ -83,8 +85,8 @@ struct camss {
 	int vfe_num;
 	struct vfe_device *vfe;
 	atomic_t ref_count;
-	struct device *genpd[PM_DOMAIN_CAMSS_COUNT];
-	struct device_link *genpd_link[PM_DOMAIN_CAMSS_COUNT];
+	struct device *genpd[PM_DOMAIN_TITAN_COUNT];
+	struct device_link *genpd_link[PM_DOMAIN_TITAN_COUNT];
 };
 
 struct camss_camera_interface {
-- 
2.27.0