[PATCH v1 8/8] media: qcom: camss: Add sm8550 support

From: Depeng Shao
Date: Wed Mar 20 2024 - 09:45:36 EST


Add in functional logic throughout the code to support the SM8550.

Signed-off-by: Depeng Shao <quic_depengs@xxxxxxxxxxx>
---
.../media/platform/qcom/camss/camss-csid.c | 19 +++++++++++++++++++
.../media/platform/qcom/camss/camss-csiphy.c | 1 +
drivers/media/platform/qcom/camss/camss-vfe.c | 7 +++++++
.../media/platform/qcom/camss/camss-video.c | 1 +
4 files changed, 28 insertions(+)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index eb27d69e89a1..e9203dc15798 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -590,6 +590,25 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
csid->base = camss->vfe[id].base + VFE_480_LITE_CSID_OFFSET;
else
csid->base = camss->vfe[id].base + VFE_480_CSID_OFFSET;
+ } else if (camss->res->version == CAMSS_8550) {
+ /* for titan 780, CSID lite registers are inside the VFE lite region,
+ * between the VFE "top" and "bus" registers. this requires
+ * VFE to be initialized before CSID
+ */
+ if (id >= 2)
+ csid->base = camss->vfe[id].base;
+ else {
+ csid->base =
+ devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
+ if (id != 0)
+ csid->top_base = camss->csid[0].top_base;
+ else
+ csid->top_base =
+ devm_platform_ioremap_resource_byname(pdev, res->reg[1]);
+ }
+
+ if (IS_ERR(csid->base))
+ return PTR_ERR(csid->base);
} else {
csid->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
if (IS_ERR(csid->base))
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 45b3a8e5dea4..f35af0dd2147 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -579,6 +579,7 @@ int msm_csiphy_subdev_init(struct camss *camss,
case CAMSS_845:
case CAMSS_8250:
case CAMSS_8280XP:
+ case CAMSS_8550:
csiphy->formats = csiphy_formats_sdm845;
csiphy->nformats = ARRAY_SIZE(csiphy_formats_sdm845);
break;
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index d875237cf244..ff115c5521c6 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -226,6 +226,7 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
case CAMSS_845:
case CAMSS_8250:
case CAMSS_8280XP:
+ case CAMSS_8550:
switch (sink_code) {
case MEDIA_BUS_FMT_YUYV8_1X16:
{
@@ -296,6 +297,10 @@ int vfe_reset(struct vfe_device *vfe)

reinit_completion(&vfe->reset_complete);

+ // The reset has been moved to csid in 8550
+ if (vfe->camss->res->version == CAMSS_8550)
+ return 0;
+
vfe->ops->global_reset(vfe);

time = wait_for_completion_timeout(&vfe->reset_complete,
@@ -1520,6 +1525,7 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
case CAMSS_845:
case CAMSS_8250:
case CAMSS_8280XP:
+ case CAMSS_8550:
l->formats = formats_rdi_845;
l->nformats = ARRAY_SIZE(formats_rdi_845);
break;
@@ -1605,6 +1611,7 @@ static int vfe_bpl_align(struct vfe_device *vfe)
case CAMSS_845:
case CAMSS_8250:
case CAMSS_8280XP:
+ case CAMSS_8550:
ret = 16;
break;
default:
diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c
index 54cd82f74115..78a746be952c 100644
--- a/drivers/media/platform/qcom/camss/camss-video.c
+++ b/drivers/media/platform/qcom/camss/camss-video.c
@@ -1029,6 +1029,7 @@ int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
case CAMSS_845:
case CAMSS_8250:
case CAMSS_8280XP:
+ case CAMSS_8550:
video->formats = formats_rdi_845;
video->nformats = ARRAY_SIZE(formats_rdi_845);
break;
--
2.17.1