staging: drm/imx: Add ipu_cpmem_set_yuv_interleaved()

For configuring interleaved formats.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h
index 74158dd..22c1196 100644 (file)
--- a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h
+++ b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h
@@ -293,6 +293,7 @@ static inline void ipu_cpmem_interlaced_scan(struct ipu_ch_param *p,
 
 void ipu_cpmem_set_yuv_planar(struct ipu_ch_param __iomem *p, u32 pixel_format,
                        int stride, int height);
+void ipu_cpmem_set_yuv_interleaved(struct ipu_ch_param *p, u32 pixel_format);
 void ipu_cpmem_set_yuv_planar_full(struct ipu_ch_param __iomem *p,
                u32 pixel_format, int stride, int u_offset, int v_offset);
 int ipu_cpmem_set_fmt(struct ipu_ch_param __iomem *cpmem, u32 pixelformat);

diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 7f3a3ae..eaa6f62 100644 (file)
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -225,6 +225,23 @@ int ipu_cpmem_set_format_passthrough(struct ipu_ch_param __iomem *p,
 }
 EXPORT_SYMBOL_GPL(ipu_cpmem_set_format_passthrough);
 
+void ipu_cpmem_set_yuv_interleaved(struct ipu_ch_param *p, u32 pixel_format)
+{
+       switch (pixel_format) {
+       case V4L2_PIX_FMT_UYVY:
+               ipu_ch_param_write_field(p, IPU_FIELD_BPP, 3);    /* bits/pixel */
+               ipu_ch_param_write_field(p, IPU_FIELD_PFS, 0xA);  /* pix format */
+               ipu_ch_param_write_field(p, IPU_FIELD_NPB, 31);   /* burst size */
+               break;
+       case V4L2_PIX_FMT_YUYV:
+               ipu_ch_param_write_field(p, IPU_FIELD_BPP, 3);    /* bits/pixel */
+               ipu_ch_param_write_field(p, IPU_FIELD_PFS, 0x8);  /* pix format */
+               ipu_ch_param_write_field(p, IPU_FIELD_NPB, 31);   /* burst size */
+               break;
+       }
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_interleaved);
+
 void ipu_cpmem_set_yuv_planar_full(struct ipu_ch_param __iomem *p,
                u32 pixel_format, int stride, int u_offset, int v_offset)
 {