diff options
Diffstat (limited to 'drivers/media/video/mxc/output/mxc_pxp_v4l2.h')
-rw-r--r-- | drivers/media/video/mxc/output/mxc_pxp_v4l2.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/output/mxc_pxp_v4l2.h b/drivers/media/video/mxc/output/mxc_pxp_v4l2.h new file mode 100644 index 000000000000..d17eea571374 --- /dev/null +++ b/drivers/media/video/mxc/output/mxc_pxp_v4l2.h @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +/* + * Based on STMP378X PxP driver + * Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +#ifndef _MXC_PXP_V4L2_H +#define _MXC_PXP_V4L2_H + +#include <linux/dmaengine.h> +#include <linux/pxp_dma.h> + +struct pxp_buffer { + /* Must be first! */ + struct videobuf_buffer vb; + + /* One descriptor per scatterlist (per frame) */ + struct dma_async_tx_descriptor *txd; + + struct scatterlist sg[3]; +}; + +struct pxps { + struct platform_device *pdev; + + spinlock_t lock; + struct mutex mutex; + int users; + + struct video_device *vdev; + + struct videobuf_queue s0_vbq; + struct pxp_buffer *active; + struct list_head outq; + struct pxp_channel *pxp_channel[1]; /* We need 1 channel */ + struct pxp_config_data pxp_conf; + + int output; + u32 *outb; + dma_addr_t outb_phys; + u32 outb_size; + + /* Current S0 configuration */ + struct pxp_data_format *s0_fmt; + + struct v4l2_framebuffer fb; + + /* Output overlay support */ + int overlay_state; + int global_alpha_state; + u8 global_alpha; + int s1_chromakey_state; + u32 s1_chromakey; + + int fb_blank; +}; + +struct pxp_data_format { + char *name; + unsigned int bpp; + u32 fourcc; + enum v4l2_colorspace colorspace; +}; + +#endif |