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Subject: media: ti-vpe: cal: Fold PPI enable in CAMERARX .s_stream() Author: Laurent Pinchart <[email protected]> Date: Mon Dec 7 00:53:41 2020 +0100 To further decouple the context and CAMERARX components, move the call to cal_camerarx_ppi_enable() from cal_start_streaming() to the CAMERARX .s_stream() operation. The DMA destination address has to be set before starting the CAMERARX, which is desirable anyway. cal_camerarx_ppi_disable() will be addressed separately. Signed-off-by: Laurent Pinchart <[email protected]> Reviewed-by: Benoit Parrot <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/ti-vpe/cal-camerarx.c | 31 +++++++++++++++------------- drivers/media/platform/ti-vpe/cal-video.c | 4 +--- drivers/media/platform/ti-vpe/cal.h | 1 - 3 files changed, 18 insertions(+), 18 deletions(-) --- diff --git a/drivers/media/platform/ti-vpe/cal-camerarx.c b/drivers/media/platform/ti-vpe/cal-camerarx.c index ce46046c9ba4..941efa99e3b5 100644 --- a/drivers/media/platform/ti-vpe/cal-camerarx.c +++ b/drivers/media/platform/ti-vpe/cal-camerarx.c @@ -256,6 +256,20 @@ static void cal_camerarx_disable_irqs(struct cal_camerarx *phy) cal_write(phy->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(phy->instance), 0); } +static void cal_camerarx_ppi_enable(struct cal_camerarx *phy) +{ + cal_write(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), + CAL_CSI2_PPI_CTRL_FRAME_MASK); + cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), + 1, CAL_CSI2_PPI_CTRL_IF_EN_MASK); +} + +void cal_camerarx_ppi_disable(struct cal_camerarx *phy) +{ + cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), + 0, CAL_CSI2_PPI_CTRL_IF_EN_MASK); +} + static int cal_camerarx_start(struct cal_camerarx *phy) { s64 external_rate; @@ -384,6 +398,9 @@ static int cal_camerarx_start(struct cal_camerarx *phy) * implemented. */ + /* Finally, enable the PHY Protocol Interface (PPI). */ + cal_camerarx_ppi_enable(phy); + return 0; } @@ -455,20 +472,6 @@ void cal_camerarx_i913_errata(struct cal_camerarx *phy) camerarx_write(phy, CAL_CSI2_PHY_REG10, reg10); } -void cal_camerarx_ppi_enable(struct cal_camerarx *phy) -{ - cal_write(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), - CAL_CSI2_PPI_CTRL_FRAME_MASK); - cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), - 1, CAL_CSI2_PPI_CTRL_IF_EN_MASK); -} - -void cal_camerarx_ppi_disable(struct cal_camerarx *phy) -{ - cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), - 0, CAL_CSI2_PPI_CTRL_IF_EN_MASK); -} - static int cal_camerarx_regmap_init(struct cal_dev *cal, struct cal_camerarx *phy) { diff --git a/drivers/media/platform/ti-vpe/cal-video.c b/drivers/media/platform/ti-vpe/cal-video.c index 3807d91f0392..627d816548b8 100644 --- a/drivers/media/platform/ti-vpe/cal-video.c +++ b/drivers/media/platform/ti-vpe/cal-video.c @@ -517,15 +517,13 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count) cal_ctx_csi2_config(ctx); cal_ctx_pix_proc_config(ctx); cal_ctx_wr_dma_config(ctx); + cal_ctx_wr_dma_addr(ctx, addr); cal_ctx_enable_irqs(ctx); ret = v4l2_subdev_call(&ctx->phy->subdev, video, s_stream, 1); if (ret) goto err; - cal_ctx_wr_dma_addr(ctx, addr); - cal_camerarx_ppi_enable(ctx->phy); - if (cal_debug >= 4) cal_quickdump_regs(ctx->cal); diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h index 1c6fbee211d2..501700fc4955 100644 --- a/drivers/media/platform/ti-vpe/cal.h +++ b/drivers/media/platform/ti-vpe/cal.h @@ -262,7 +262,6 @@ const struct cal_format_info *cal_format_by_code(u32 code); void cal_quickdump_regs(struct cal_dev *cal); void cal_camerarx_disable(struct cal_camerarx *phy); -void cal_camerarx_ppi_enable(struct cal_camerarx *phy); void cal_camerarx_ppi_disable(struct cal_camerarx *phy); void cal_camerarx_i913_errata(struct cal_camerarx *phy); struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal, _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
