The ISP layer now calls multiple functions of the CSI-2 RX layer to
configure, start and stop it, with the steps for the last two
operations. Move those calls to rkisp1_mipi_csi2_start() and
rkisp1_mipi_csi2_stop() to simplify the ISP code and the API exposed by
the CSI-2 receiver component.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Dafna Hirschfeld <dafna@xxxxxxxxxxxx>
---
.../platform/rockchip/rkisp1/rkisp1-csi.c | 59 +++++++++++--------
.../platform/rockchip/rkisp1/rkisp1-csi.h | 4 --
.../platform/rockchip/rkisp1/rkisp1-isp.c | 10 +---
3 files changed, 35 insertions(+), 38 deletions(-)
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
index b5732511459f..25e1183cdbac 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
@@ -18,7 +18,7 @@
#include "rkisp1-common.h"
#include "rkisp1-csi.h"
-int rkisp1_config_mipi(struct rkisp1_csi *csi)
+static int rkisp1_config_mipi(struct rkisp1_csi *csi)
{
struct rkisp1_device *rkisp1 = csi->rkisp1;
const struct rkisp1_mbus_info *sink_fmt = rkisp1->isp.sink_fmt;
@@ -69,6 +69,30 @@ int rkisp1_config_mipi(struct rkisp1_csi *csi)
return 0;
}
+void rkisp1_mipi_start(struct rkisp1_csi *csi)
+{
+ struct rkisp1_device *rkisp1 = csi->rkisp1;
+ u32 val;
+
+ val = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_CTRL);
+ rkisp1_write(rkisp1, RKISP1_CIF_MIPI_CTRL,
+ val | RKISP1_CIF_MIPI_CTRL_OUTPUT_ENA);
+}
+
+void rkisp1_mipi_stop(struct rkisp1_csi *csi)
+{
+ struct rkisp1_device *rkisp1 = csi->rkisp1;
+ u32 val;
+
+ /* Mask and clear interrupts. */
+ rkisp1_write(rkisp1, RKISP1_CIF_MIPI_IMSC, 0);
+ rkisp1_write(rkisp1, RKISP1_CIF_MIPI_ICR, ~0);
+
+ val = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_CTRL);
+ rkisp1_write(rkisp1, RKISP1_CIF_MIPI_CTRL,
+ val & (~RKISP1_CIF_MIPI_CTRL_OUTPUT_ENA));
+}
+
int rkisp1_mipi_csi2_start(struct rkisp1_csi *csi,
struct rkisp1_sensor_async *sensor)
{
@@ -76,6 +100,11 @@ int rkisp1_mipi_csi2_start(struct rkisp1_csi *csi,
union phy_configure_opts opts;
struct phy_configure_opts_mipi_dphy *cfg = &opts.mipi_dphy;
s64 pixel_clock;
+ int ret;
+
+ ret = rkisp1_config_mipi(csi);
+ if (ret)
+ return ret;
pixel_clock = v4l2_ctrl_g_ctrl_int64(sensor->pixel_rate_ctrl);
if (!pixel_clock) {
@@ -90,38 +119,18 @@ int rkisp1_mipi_csi2_start(struct rkisp1_csi *csi,
phy_configure(csi->dphy, &opts);
phy_power_on(csi->dphy);
+ rkisp1_mipi_start(csi);
+
return 0;
}
void rkisp1_mipi_csi2_stop(struct rkisp1_csi *csi)
{
+ rkisp1_mipi_stop(csi);
+
phy_power_off(csi->dphy);
}
-void rkisp1_mipi_start(struct rkisp1_csi *csi)
-{
- struct rkisp1_device *rkisp1 = csi->rkisp1;
- u32 val;
-
- val = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_CTRL);
- rkisp1_write(rkisp1, RKISP1_CIF_MIPI_CTRL,
- val | RKISP1_CIF_MIPI_CTRL_OUTPUT_ENA);
-}
-
-void rkisp1_mipi_stop(struct rkisp1_csi *csi)
-{
- struct rkisp1_device *rkisp1 = csi->rkisp1;
- u32 val;
-
- /* Mask and clear interrupts. */
- rkisp1_write(rkisp1, RKISP1_CIF_MIPI_IMSC, 0);
- rkisp1_write(rkisp1, RKISP1_CIF_MIPI_ICR, ~0);
-
- val = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_CTRL);
- rkisp1_write(rkisp1, RKISP1_CIF_MIPI_CTRL,
- val & (~RKISP1_CIF_MIPI_CTRL_OUTPUT_ENA));
-}
-
irqreturn_t rkisp1_mipi_isr(int irq, void *ctx)
{
struct device *dev = ctx;
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.h
index 4ff41b88ab95..26d8be2ee178 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.h
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.h
@@ -18,12 +18,8 @@ struct rkisp1_sensor_async;
int rkisp1_csi_init(struct rkisp1_device *rkisp1);
void rkisp1_csi_cleanup(struct rkisp1_device *rkisp1);
-int rkisp1_config_mipi(struct rkisp1_csi *csi);
-
int rkisp1_mipi_csi2_start(struct rkisp1_csi *csi,
struct rkisp1_sensor_async *sensor);
void rkisp1_mipi_csi2_stop(struct rkisp1_csi *csi);
-void rkisp1_mipi_start(struct rkisp1_csi *csi);
-void rkisp1_mipi_stop(struct rkisp1_csi *csi);
#endif /* _RKISP1_CSI_H */
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index 81c4eb48baab..f477368dcec9 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -276,7 +276,6 @@ static int rkisp1_config_path(struct rkisp1_device *rkisp1)
ret = rkisp1_config_dvp(rkisp1);
dpcl |= RKISP1_CIF_VI_DPCL_IF_SEL_PARALLEL;
} else if (sensor->mbus_type == V4L2_MBUS_CSI2_DPHY) {
- ret = rkisp1_config_mipi(&rkisp1->csi);
dpcl |= RKISP1_CIF_VI_DPCL_IF_SEL_MIPI;
}
@@ -309,15 +308,13 @@ static void rkisp1_isp_stop(struct rkisp1_device *rkisp1)
* ISP(mi) stop in mi frame end -> Stop ISP(mipi) ->
* Stop ISP(isp) ->wait for ISP isp off
*/
- /* stop and clear MI, MIPI, and ISP interrupts */
+ /* stop and clear MI and ISP interrupts */
rkisp1_write(rkisp1, RKISP1_CIF_ISP_IMSC, 0);
rkisp1_write(rkisp1, RKISP1_CIF_ISP_ICR, ~0);
rkisp1_write(rkisp1, RKISP1_CIF_MI_IMSC, 0);
rkisp1_write(rkisp1, RKISP1_CIF_MI_ICR, ~0);
- rkisp1_mipi_stop(&rkisp1->csi);
-
/* stop ISP */
val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_CTRL);
val &= ~(RKISP1_CIF_ISP_CTRL_ISP_INFORM_ENABLE |
@@ -358,15 +355,10 @@ static void rkisp1_config_clk(struct rkisp1_device *rkisp1)
static void rkisp1_isp_start(struct rkisp1_device *rkisp1)
{
- struct rkisp1_sensor_async *sensor = rkisp1->active_sensor;
u32 val;
rkisp1_config_clk(rkisp1);
- /* Activate MIPI */
- if (sensor->mbus_type == V4L2_MBUS_CSI2_DPHY)
- rkisp1_mipi_start(&rkisp1->csi);
-
/* Activate ISP */
val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_CTRL);
val |= RKISP1_CIF_ISP_CTRL_ISP_CFG_UPD |
--
Regards,
Laurent Pinchart
