staging: drm/imx: ipu-dc: add 24-bit GBR support to DC
24-bit GBR order is needed on the display interface connected to the Television Encoder (TVEv2) on i.MX53. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1,8 +1,18 @@
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#ifndef _IMX_DRM_H_
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#ifndef _IMX_DRM_H_
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#define _IMX_DRM_H_
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#define _IMX_DRM_H_
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#include <linux/videodev2.h>
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#define IPU_PIX_FMT_GBR24 v4l2_fourcc('G', 'B', 'R', '3')
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struct drm_crtc;
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struct drm_connector;
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struct drm_device;
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struct drm_encoder;
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struct imx_drm_crtc;
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struct imx_drm_crtc;
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struct drm_fbdev_cma;
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struct drm_fbdev_cma;
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struct drm_framebuffer;
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struct platform_device;
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struct imx_drm_crtc_helper_funcs {
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struct imx_drm_crtc_helper_funcs {
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int (*enable_vblank)(struct drm_crtc *crtc);
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int (*enable_vblank)(struct drm_crtc *crtc);
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@ -20,6 +20,7 @@
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#include <linux/delay.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/io.h>
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#include "../imx-drm.h"
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#include "imx-ipu-v3.h"
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#include "imx-ipu-v3.h"
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#include "ipu-prv.h"
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#include "ipu-prv.h"
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@ -86,6 +87,7 @@ struct ipu_dc_priv;
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enum ipu_dc_map {
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enum ipu_dc_map {
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IPU_DC_MAP_RGB24,
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IPU_DC_MAP_RGB24,
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IPU_DC_MAP_RGB565,
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IPU_DC_MAP_RGB565,
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IPU_DC_MAP_GBR24, /* TVEv2 */
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};
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};
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struct ipu_dc {
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struct ipu_dc {
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@ -136,6 +138,8 @@ static int ipu_pixfmt_to_map(u32 fmt)
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return IPU_DC_MAP_RGB24;
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return IPU_DC_MAP_RGB24;
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case V4L2_PIX_FMT_RGB565:
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case V4L2_PIX_FMT_RGB565:
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return IPU_DC_MAP_RGB565;
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return IPU_DC_MAP_RGB565;
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case IPU_PIX_FMT_GBR24:
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return IPU_DC_MAP_GBR24;
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default:
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default:
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return -EINVAL;
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return -EINVAL;
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}
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}
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@ -364,6 +368,12 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
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ipu_dc_map_config(priv, IPU_DC_MAP_RGB565, 1, 10, 0xfc); /* green */
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ipu_dc_map_config(priv, IPU_DC_MAP_RGB565, 1, 10, 0xfc); /* green */
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ipu_dc_map_config(priv, IPU_DC_MAP_RGB565, 2, 15, 0xf8); /* red */
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ipu_dc_map_config(priv, IPU_DC_MAP_RGB565, 2, 15, 0xf8); /* red */
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/* gbr24 */
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ipu_dc_map_clear(priv, IPU_DC_MAP_GBR24);
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ipu_dc_map_config(priv, IPU_DC_MAP_GBR24, 2, 15, 0xff); /* green */
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ipu_dc_map_config(priv, IPU_DC_MAP_GBR24, 1, 7, 0xff); /* blue */
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ipu_dc_map_config(priv, IPU_DC_MAP_GBR24, 0, 23, 0xff); /* red */
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return 0;
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return 0;
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}
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}
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