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media: imx7-media-csi: add i.MX6UL support 

i.MX7 and i.MX6UL/L have the same CSI controller. So add i.MX6UL/L support
to imx7-media-csi driver.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sébastien Szymanski 2019-07-31 13:33:30 -03:00 committed by Mauro Carvalho Chehab
parent 0d90467348
commit 0486a18ce8
2 changed files with 23 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/staging/media/imx/Kconfig
View File

@ -22,11 +22,11 @@ config VIDEO_IMX_CSI
A video4linux camera sensor interface driver for i.MX5/6.
config VIDEO_IMX7_CSI
tristate "i.MX7 Camera Sensor Interface driver"
tristate "i.MX6UL/L / i.MX7 Camera Sensor Interface driver"
depends on VIDEO_IMX_MEDIA && VIDEO_DEV && I2C
default y
help
Enable support for video4linux camera sensor interface driver for
i.MX7.
i.MX6UL/L or i.MX7.
endmenu
endif

30
drivers/staging/media/imx/imx7-media-csi.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* V4L2 Capture CSI Subdev for Freescale i.MX7 SOC
* V4L2 Capture CSI Subdev for Freescale i.MX6UL/L / i.MX7 SOC
*
* Copyright (c) 2019 Linaro Ltd
*
@ -765,6 +765,7 @@ static int imx7_csi_configure(struct imx7_csi *csi)
struct v4l2_pix_format *out_pix = &vdev->fmt.fmt.pix;
__u32 in_code = csi->format_mbus[IMX7_CSI_PAD_SINK].code;
u32 cr1, cr18;
int width = out_pix->width;
if (out_pix->field == V4L2_FIELD_INTERLACED) {
imx7_csi_deinterlace_enable(csi, true);
@ -774,15 +775,27 @@ static int imx7_csi_configure(struct imx7_csi *csi)
imx7_csi_buf_stride_set(csi, 0);
}
imx7_csi_set_imagpara(csi, out_pix->width, out_pix->height);
cr18 = imx7_csi_reg_read(csi, CSI_CSICR18);
if (!csi->is_csi2) {
if (out_pix->pixelformat == V4L2_PIX_FMT_UYVY ||
out_pix->pixelformat == V4L2_PIX_FMT_YUYV)
width *= 2;
imx7_csi_set_imagpara(csi, width, out_pix->height);
cr18 |= (BIT_BASEADDR_SWITCH_EN | BIT_BASEADDR_SWITCH_SEL |
BIT_BASEADDR_CHG_ERR_EN);
imx7_csi_reg_write(csi, cr18, CSI_CSICR18);
if (!csi->is_csi2)
return 0;
}
imx7_csi_set_imagpara(csi, width, out_pix->height);
cr1 = imx7_csi_reg_read(csi, CSI_CSICR1);
cr1 &= ~BIT_GCLK_MODE;
cr18 = imx7_csi_reg_read(csi, CSI_CSICR18);
cr18 &= BIT_MIPI_DATA_FORMAT_MASK;
cr18 |= BIT_DATA_FROM_MIPI;
@ -817,11 +830,9 @@ static void imx7_csi_enable(struct imx7_csi *csi)
{
imx7_csi_sw_reset(csi);
if (csi->is_csi2) {
imx7_csi_dmareq_rff_enable(csi);
imx7_csi_hw_enable_irq(csi);
imx7_csi_hw_enable(csi);
}
imx7_csi_dmareq_rff_enable(csi);
imx7_csi_hw_enable_irq(csi);
imx7_csi_hw_enable(csi);
}
static void imx7_csi_disable(struct imx7_csi *csi)
@ -1302,6 +1313,7 @@ static int imx7_csi_remove(struct platform_device *pdev)
static const struct of_device_id imx7_csi_of_match[] = {
{ .compatible = "fsl,imx7-csi" },
{ .compatible = "fsl,imx6ul-csi" },
{ },
};
MODULE_DEVICE_TABLE(of, imx7_csi_of_match);