Adds ipu_dump() which dumps IPU register state to debug.
Signed-off-by: Steve Longerbeam <steve_longerb...@mentor.com>
---
drivers/gpu/ipu-v3/ipu-common.c | 38 ++++++++++++++++++++++++++++++++++++++
include/video/imx-ipu-v3.h | 1 +
2 files changed, 39 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 115572e..af00e8c 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1310,6 +1310,44 @@ static void ipu_irq_exit(struct ipu_soc *ipu)
irq_domain_remove(ipu->domain);
}
+void ipu_dump(struct ipu_soc *ipu)
+{
+ int i;
+
+ dev_dbg(ipu->dev, "IPU_CONF = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_CONF));
+ dev_dbg(ipu->dev, "IDMAC_CONF = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_CONF));
+ dev_dbg(ipu->dev, "IDMAC_CHA_EN1 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_CHA_EN(0)));
+ dev_dbg(ipu->dev, "IDMAC_CHA_EN2 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_CHA_EN(32)));
+ dev_dbg(ipu->dev, "IDMAC_CHA_PRI1 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_CHA_PRI(0)));
+ dev_dbg(ipu->dev, "IDMAC_CHA_PRI2 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_CHA_PRI(32)));
+ dev_dbg(ipu->dev, "IDMAC_BAND_EN1 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_BAND_EN(0)));
+ dev_dbg(ipu->dev, "IDMAC_BAND_EN2 = \t0x%08X\n",
+ ipu_idmac_read(ipu, IDMAC_BAND_EN(32)));
+ dev_dbg(ipu->dev, "IPU_CHA_DB_MODE_SEL0 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(0)));
+ dev_dbg(ipu->dev, "IPU_CHA_DB_MODE_SEL1 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(32)));
+ dev_dbg(ipu->dev, "IPU_FS_PROC_FLOW1 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_FS_PROC_FLOW1));
+ dev_dbg(ipu->dev, "IPU_FS_PROC_FLOW2 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_FS_PROC_FLOW2));
+ dev_dbg(ipu->dev, "IPU_FS_PROC_FLOW3 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_FS_PROC_FLOW3));
+ dev_dbg(ipu->dev, "IPU_FS_DISP_FLOW1 = \t0x%08X\n",
+ ipu_cm_read(ipu, IPU_FS_DISP_FLOW1));
+ for (i = 0; i < 15; i++)
+ dev_dbg(ipu->dev, "IPU_INT_CTRL(%d) = \t%08X\n", i,
+ ipu_cm_read(ipu, IPU_INT_CTRL(i)));
+}
+EXPORT_SYMBOL_GPL(ipu_dump);
+
static int ipu_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id =
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 62f9c4b..1ed1062 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -187,6 +187,7 @@ int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct
ipuv3_channel *channel,
int ipu_get_num(struct ipu_soc *ipu);
void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
+void ipu_dump(struct ipu_soc *ipu);
/*
* IPU Image DMA Controller (idmac) functions
--
1.7.9.5
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