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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2021-06-14 13:23:24 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-07-12 12:51:37 +0200 |
| commit | 3b1fe1abbba2869239e0f55f9616624b7d99ab52 (patch) | |
| tree | 281b3826eb08250497903147afd07e45d673ea8f /drivers/media/platform/ti-vpe | |
| parent | aece634d978c7bc570ec5399184cd7df4f5498e6 (diff) | |
| download | lwn-3b1fe1abbba2869239e0f55f9616624b7d99ab52.tar.gz lwn-3b1fe1abbba2869239e0f55f9616624b7d99ab52.zip | |
media: ti-vpe: cal: catch VC errors
CAL driver currently ignores VC related errors. To help catch error
conditions, enable all the VC error interrupts and handle them in the
interrupt handler by printing an error.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform/ti-vpe')
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal-camerarx.c | 25 | ||||
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal.c | 10 |
2 files changed, 31 insertions, 4 deletions
diff --git a/drivers/media/platform/ti-vpe/cal-camerarx.c b/drivers/media/platform/ti-vpe/cal-camerarx.c index 3bc63a5e9317..b36e55b63718 100644 --- a/drivers/media/platform/ti-vpe/cal-camerarx.c +++ b/drivers/media/platform/ti-vpe/cal-camerarx.c @@ -226,25 +226,42 @@ static void cal_camerarx_enable_irqs(struct cal_camerarx *phy) CAL_CSI2_COMPLEXIO_IRQ_FIFO_OVR_MASK | CAL_CSI2_COMPLEXIO_IRQ_SHORT_PACKET_MASK | CAL_CSI2_COMPLEXIO_IRQ_ECC_NO_CORRECTION_MASK; - - /* Enable CIO error IRQs. */ + const u32 vc_err_mask = + CAL_CSI2_VC_IRQ_CS_IRQ_MASK(0) | + CAL_CSI2_VC_IRQ_CS_IRQ_MASK(1) | + CAL_CSI2_VC_IRQ_CS_IRQ_MASK(2) | + CAL_CSI2_VC_IRQ_CS_IRQ_MASK(3) | + CAL_CSI2_VC_IRQ_ECC_CORRECTION_IRQ_MASK(0) | + CAL_CSI2_VC_IRQ_ECC_CORRECTION_IRQ_MASK(1) | + CAL_CSI2_VC_IRQ_ECC_CORRECTION_IRQ_MASK(2) | + CAL_CSI2_VC_IRQ_ECC_CORRECTION_IRQ_MASK(3); + + /* Enable CIO & VC error IRQs. */ cal_write(phy->cal, CAL_HL_IRQENABLE_SET(0), - CAL_HL_IRQ_CIO_MASK(phy->instance)); + CAL_HL_IRQ_CIO_MASK(phy->instance) | + CAL_HL_IRQ_VC_MASK(phy->instance)); cal_write(phy->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(phy->instance), cio_err_mask); + cal_write(phy->cal, CAL_CSI2_VC_IRQENABLE(phy->instance), + vc_err_mask); } static void cal_camerarx_disable_irqs(struct cal_camerarx *phy) { /* Disable CIO error irqs */ cal_write(phy->cal, CAL_HL_IRQENABLE_CLR(0), - CAL_HL_IRQ_CIO_MASK(phy->instance)); + CAL_HL_IRQ_CIO_MASK(phy->instance) | + CAL_HL_IRQ_VC_MASK(phy->instance)); cal_write(phy->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(phy->instance), 0); + cal_write(phy->cal, CAL_CSI2_VC_IRQENABLE(phy->instance), 0); } static void cal_camerarx_ppi_enable(struct cal_camerarx *phy) { cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), + 1, CAL_CSI2_PPI_CTRL_ECC_EN_MASK); + + cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), 1, CAL_CSI2_PPI_CTRL_IF_EN_MASK); } diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 673952b3e382..df48a8912a94 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -576,6 +576,16 @@ static irqreturn_t cal_irq(int irq_cal, void *data) cal_write(cal, CAL_CSI2_COMPLEXIO_IRQSTATUS(i), cio_stat); } + + if (status & CAL_HL_IRQ_VC_MASK(i)) { + u32 vc_stat = cal_read(cal, CAL_CSI2_VC_IRQSTATUS(i)); + + dev_err_ratelimited(cal->dev, + "CIO%u VC error: %#08x\n", + i, vc_stat); + + cal_write(cal, CAL_CSI2_VC_IRQSTATUS(i), vc_stat); + } } } |