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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2013-08-28 12:48:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-12-11 06:56:14 -0200
commit5122f6a26d4e706653e1677708594b82b1ec7cd3 (patch)
tree102489cc526a01a244b2ddac9453a2865a4d7e62 /drivers/staging/media
parent54d0059c7bbc26b10d11148f507c3a3a56d2bdd5 (diff)
[media] v4l: omap4iss: Enhance IRQ debugging
Add a pretty print function for ISP IRQs and remove the _INT suffix from interrupt names to enhance readability. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/omap4iss/iss.c121
1 files changed, 87 insertions, 34 deletions
diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
index 815b09b991eb..65a16803949f 100644
--- a/drivers/staging/media/omap4iss/iss.c
+++ b/drivers/staging/media/omap4iss/iss.c
@@ -197,43 +197,44 @@ void omap4iss_configure_bridge(struct iss_device *iss,
writel(isp5ctrl_val, iss->regs[OMAP4_ISS_MEM_ISP_SYS1] + ISP5_CTRL);
}
+#if defined(DEBUG) && defined(ISS_ISR_DEBUG)
static inline void iss_isr_dbg(struct iss_device *iss, u32 irqstatus)
{
- static const char *name[] = {
- "ISP_IRQ0",
- "ISP_IRQ1",
- "ISP_IRQ2",
- "ISP_IRQ3",
- "CSIA_IRQ",
- "CSIB_IRQ",
- "CCP2_IRQ0",
- "CCP2_IRQ1",
- "CCP2_IRQ2",
- "CCP2_IRQ3",
- "CBUFF_IRQ",
- "BTE_IRQ",
- "SIMCOP_IRQ0",
- "SIMCOP_IRQ1",
- "SIMCOP_IRQ2",
- "SIMCOP_IRQ3",
- "CCP2_IRQ8",
- "HS_VS_IRQ",
- "res18",
- "res19",
- "res20",
- "res21",
- "res22",
- "res23",
- "res24",
- "res25",
- "res26",
- "res27",
- "res28",
- "res29",
- "res30",
- "res31",
+ static const char * const name[] = {
+ "ISP_0",
+ "ISP_1",
+ "ISP_2",
+ "ISP_3",
+ "CSIA",
+ "CSIB",
+ "CCP2_0",
+ "CCP2_1",
+ "CCP2_2",
+ "CCP2_3",
+ "CBUFF",
+ "BTE",
+ "SIMCOP_0",
+ "SIMCOP_1",
+ "SIMCOP_2",
+ "SIMCOP_3",
+ "CCP2_8",
+ "HS_VS",
+ "18",
+ "19",
+ "20",
+ "21",
+ "22",
+ "23",
+ "24",
+ "25",
+ "26",
+ "27",
+ "28",
+ "29",
+ "30",
+ "31",
};
- int i;
+ unsigned int i;
dev_dbg(iss->dev, "ISS IRQ: ");
@@ -244,6 +245,54 @@ static inline void iss_isr_dbg(struct iss_device *iss, u32 irqstatus)
pr_cont("\n");
}
+static inline void iss_isp_isr_dbg(struct iss_device *iss, u32 irqstatus)
+{
+ static const char * const name[] = {
+ "ISIF_0",
+ "ISIF_1",
+ "ISIF_2",
+ "ISIF_3",
+ "IPIPEREQ",
+ "IPIPELAST_PIX",
+ "IPIPEDMA",
+ "IPIPEBSC",
+ "IPIPEHST",
+ "IPIPEIF",
+ "AEW",
+ "AF",
+ "H3A",
+ "RSZ_REG",
+ "RSZ_LAST_PIX",
+ "RSZ_DMA",
+ "RSZ_CYC_RZA",
+ "RSZ_CYC_RZB",
+ "RSZ_FIFO_OVF",
+ "RSZ_FIFO_IN_BLK_ERR",
+ "20",
+ "21",
+ "RSZ_EOF0",
+ "RSZ_EOF1",
+ "H3A_EOF",
+ "IPIPE_EOF",
+ "26",
+ "IPIPE_DPC_INI",
+ "IPIPE_DPC_RNEW0",
+ "IPIPE_DPC_RNEW1",
+ "30",
+ "OCP_ERR",
+ };
+ unsigned int i;
+
+ dev_dbg(iss->dev, "ISP IRQ: ");
+
+ for (i = 0; i < ARRAY_SIZE(name); i++) {
+ if ((1 << i) & irqstatus)
+ pr_cont("%s ", name[i]);
+ }
+ pr_cont("\n");
+}
+#endif
+
/*
* iss_isr - Interrupt Service Routine for ISS module.
* @irq: Not used currently.
@@ -290,6 +339,10 @@ static irqreturn_t iss_isr(int irq, void *_iss)
if (isp_irqstatus & resizer_events)
omap4iss_resizer_isr(&iss->resizer,
isp_irqstatus & resizer_events);
+
+#if defined(DEBUG) && defined(ISS_ISR_DEBUG)
+ iss_isp_isr_dbg(iss, isp_irqstatus);
+#endif
}
omap4iss_flush(iss);