On Wed May 20 17:30:09 2026 +0530, Pratyush Yadav wrote:
> Currently the SHIM code to configure the context only touches the first
> context. Add support for writing to the context's registers based on the
> context index.
>
> Signed-off-by: Pratyush Yadav <[email protected]>
> Signed-off-by: Jai Luthra <[email protected]>
> Reviewed-by: Jacopo Mondi <[email protected]>
> Reviewed-by: Laurent Pinchart <[email protected]>
> Reviewed-by: Yemike Abhilash Chandra <[email protected]>
> Reviewed-by: Tomi Valkeinen <[email protected]>
> Signed-off-by: Rishikesh Donadkar <[email protected]>
> Signed-off-by: Sakari Ailus <[email protected]>
Patch committed.
Thanks,
Sakari Ailus
drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c
b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c
index 23717a3b6c4c..4adfae425f19 100644
--- a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c
+++ b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c
@@ -27,7 +27,7 @@
#define SHIM_CNTL 0x10
#define SHIM_CNTL_PIX_RST BIT(0)
-#define SHIM_DMACNTX 0x20
+#define SHIM_DMACNTX(i) (0x20 + ((i) * 0x20))
#define SHIM_DMACNTX_EN BIT(31)
#define SHIM_DMACNTX_YUV422 GENMASK(27, 26)
#define SHIM_DMACNTX_DUAL_PCK_CFG BIT(24)
@@ -38,7 +38,7 @@
#define SHIM_DMACNTX_SIZE_16 1
#define SHIM_DMACNTX_SIZE_32 2
-#define SHIM_PSI_CFG0 0x24
+#define SHIM_PSI_CFG0(i) (0x24 + ((i) * 0x20))
#define SHIM_PSI_CFG0_SRC_TAG GENMASK(15, 0)
#define SHIM_PSI_CFG0_DST_TAG GENMASK(31, 16)
@@ -568,11 +568,11 @@ static void ti_csi2rx_setup_shim(struct ti_csi2rx_ctx
*ctx)
break;
}
- writel(reg, csi->shim + SHIM_DMACNTX);
+ writel(reg, csi->shim + SHIM_DMACNTX(ctx->idx));
reg = FIELD_PREP(SHIM_PSI_CFG0_SRC_TAG, 0) |
FIELD_PREP(SHIM_PSI_CFG0_DST_TAG, 0);
- writel(reg, csi->shim + SHIM_PSI_CFG0);
+ writel(reg, csi->shim + SHIM_PSI_CFG0(ctx->idx));
}
static void ti_csi2rx_drain_callback(void *param)
@@ -890,7 +890,7 @@ err_dma:
err_pipeline:
video_device_pipeline_stop(&ctx->vdev);
writel(0, csi->shim + SHIM_CNTL);
- writel(0, csi->shim + SHIM_DMACNTX);
+ writel(0, csi->shim + SHIM_DMACNTX(ctx->idx));
err:
ti_csi2rx_cleanup_buffers(ctx, VB2_BUF_STATE_QUEUED);
return ret;
@@ -905,7 +905,7 @@ static void ti_csi2rx_stop_streaming(struct vb2_queue *vq)
video_device_pipeline_stop(&ctx->vdev);
writel(0, csi->shim + SHIM_CNTL);
- writel(0, csi->shim + SHIM_DMACNTX);
+ writel(0, csi->shim + SHIM_DMACNTX(ctx->idx));
ret = v4l2_subdev_call(csi->source, video, s_stream, 0);
if (ret)
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