[PATCH v8 7/8] media: staging: media: starfive: camss: Add interrupt handling

Jack Zhu
2023-08-24T08:03:42Z

Parse interrupt resources and register interrupt handlers.

Signed-off-by: Jack Zhu <jack.zhu@starfivetech.com>
---
.../staging/media/starfive/camss/stf_camss.c | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/drivers/staging/media/starfive/camss/stf_camss.c b/drivers/staging/media/starfive/camss/stf_camss.c
index 75ebc3a35218..918b8b2a7713 100644
--- a/drivers/staging/media/starfive/camss/stf_camss.c
+++ b/drivers/staging/media/starfive/camss/stf_camss.c
@@ -35,6 +35,12 @@ static const char * const stfcamss_resets[] = {
"rst_isp_top_axi",
};

+static const struct stf_isr_data stf_isrs[] = {
+ {"wr_irq", stf_wr_irq_handler},
+ {"isp_irq", stf_isp_irq_handler},
+ {"line_irq", stf_line_irq_handler},
+};
+
static int stfcamss_get_mem_res(struct stfcamss *stfcamss)
{
struct platform_device *pdev = to_platform_device(stfcamss->dev);
@@ -157,6 +163,21 @@ static int stfcamss_probe(struct platform_device *pdev)

stfcamss->dev = dev;

+ for (i = 0; i < ARRAY_SIZE(stf_isrs); ++i) {
+ int irq;
+
+ irq = platform_get_irq(pdev, i);
+ if (irq < 0)
+ return irq;
+
+ ret = devm_request_irq(stfcamss->dev, irq, stf_isrs[i].isr, 0,
+ stf_isrs[i].name, stfcamss);
+ if (ret) {
+ dev_err(dev, "request irq failed: %d\n", ret);
+ return ret;
+ }
+ }
+
stfcamss->nclks = ARRAY_SIZE(stfcamss->sys_clk);
for (i = 0; i < stfcamss->nclks; ++i)
stfcamss->sys_clk[i].id = stfcamss_clocks[i];
--
2.34.1