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diff --git a/include/linux/pxp_dma.h b/include/linux/pxp_dma.h
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+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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
+ *
+ */
+#ifndef _PXP_DMA
+#define _PXP_DMA
+
+#include <linux/types.h>
+
+#ifndef __KERNEL__
+typedef unsigned long dma_addr_t;
+typedef unsigned char bool;
+#endif
+
+/* PXP Pixel format definitions */
+/* Four-character-code (FOURCC) */
+#define fourcc(a, b, c, d)\
+ (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
+
+/*!
+ * @name PXP Pixel Formats
+ *
+ * Pixel formats are defined with ASCII FOURCC code. The pixel format codes are
+ * the same used by V4L2 API.
+ */
+
+/*! @} */
+/*! @name RGB Formats */
+/*! @{ */
+#define PXP_PIX_FMT_RGB332 fourcc('R', 'G', 'B', '1') /*!< 8 RGB-3-3-2 */
+#define PXP_PIX_FMT_RGB555 fourcc('R', 'G', 'B', 'O') /*!< 16 RGB-5-5-5 */
+#define PXP_PIX_FMT_RGB565 fourcc('R', 'G', 'B', 'P') /*!< 1 6 RGB-5-6-5 */
+#define PXP_PIX_FMT_RGB666 fourcc('R', 'G', 'B', '6') /*!< 18 RGB-6-6-6 */
+#define PXP_PIX_FMT_BGR666 fourcc('B', 'G', 'R', '6') /*!< 18 BGR-6-6-6 */
+#define PXP_PIX_FMT_BGR24 fourcc('B', 'G', 'R', '3') /*!< 24 BGR-8-8-8 */
+#define PXP_PIX_FMT_RGB24 fourcc('R', 'G', 'B', '3') /*!< 24 RGB-8-8-8 */
+#define PXP_PIX_FMT_BGR32 fourcc('B', 'G', 'R', '4') /*!< 32 BGR-8-8-8-8 */
+#define PXP_PIX_FMT_BGRA32 fourcc('B', 'G', 'R', 'A') /*!< 32 BGR-8-8-8-8 */
+#define PXP_PIX_FMT_RGB32 fourcc('R', 'G', 'B', '4') /*!< 32 RGB-8-8-8-8 */
+#define PXP_PIX_FMT_RGBA32 fourcc('R', 'G', 'B', 'A') /*!< 32 RGB-8-8-8-8 */
+#define PXP_PIX_FMT_ABGR32 fourcc('A', 'B', 'G', 'R') /*!< 32 ABGR-8-8-8-8 */
+/*! @} */
+/*! @name YUV Interleaved Formats */
+/*! @{ */
+#define PXP_PIX_FMT_YUYV fourcc('Y', 'U', 'Y', 'V') /*!< 16 YUV 4:2:2 */
+#define PXP_PIX_FMT_UYVY fourcc('U', 'Y', 'V', 'Y') /*!< 16 YUV 4:2:2 */
+#define PXP_PIX_FMT_Y41P fourcc('Y', '4', '1', 'P') /*!< 12 YUV 4:1:1 */
+#define PXP_PIX_FMT_YUV444 fourcc('Y', '4', '4', '4') /*!< 24 YUV 4:4:4 */
+/* two planes -- one Y, one Cb + Cr interleaved */
+#define PXP_PIX_FMT_NV12 fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
+/*! @} */
+/*! @name YUV Planar Formats */
+/*! @{ */
+#define PXP_PIX_FMT_GREY fourcc('G', 'R', 'E', 'Y') /*!< 8 Greyscale */
+#define PXP_PIX_FMT_YVU410P fourcc('Y', 'V', 'U', '9') /*!< 9 YVU 4:1:0 */
+#define PXP_PIX_FMT_YUV410P fourcc('Y', 'U', 'V', '9') /*!< 9 YUV 4:1:0 */
+#define PXP_PIX_FMT_YVU420P fourcc('Y', 'V', '1', '2') /*!< 12 YVU 4:2:0 */
+#define PXP_PIX_FMT_YUV420P fourcc('I', '4', '2', '0') /*!< 12 YUV 4:2:0 */
+#define PXP_PIX_FMT_YUV420P2 fourcc('Y', 'U', '1', '2') /*!< 12 YUV 4:2:0 */
+#define PXP_PIX_FMT_YVU422P fourcc('Y', 'V', '1', '6') /*!< 16 YVU 4:2:2 */
+#define PXP_PIX_FMT_YUV422P fourcc('4', '2', '2', 'P') /*!< 16 YUV 4:2:2 */
+/*! @} */
+
+#define PXP_LUT_NONE 0x0
+#define PXP_LUT_INVERT 0x1
+
+#define NR_PXP_VIRT_CHANNEL 16
+
+#define PXP_IOC_MAGIC 'P'
+
+#define PXP_IOC_GET_CHAN _IOR(PXP_IOC_MAGIC, 0, struct pxp_mem_desc)
+#define PXP_IOC_PUT_CHAN _IOW(PXP_IOC_MAGIC, 1, struct pxp_mem_desc)
+#define PXP_IOC_CONFIG_CHAN _IOW(PXP_IOC_MAGIC, 2, struct pxp_mem_desc)
+#define PXP_IOC_START_CHAN _IOW(PXP_IOC_MAGIC, 3, struct pxp_mem_desc)
+#define PXP_IOC_GET_PHYMEM _IOWR(PXP_IOC_MAGIC, 4, struct pxp_mem_desc)
+#define PXP_IOC_PUT_PHYMEM _IOW(PXP_IOC_MAGIC, 5, struct pxp_mem_desc)
+#define PXP_IOC_WAIT4CMPLT _IOWR(PXP_IOC_MAGIC, 6, struct pxp_mem_desc)
+
+/* Order significant! */
+enum pxp_channel_status {
+ PXP_CHANNEL_FREE,
+ PXP_CHANNEL_INITIALIZED,
+ PXP_CHANNEL_READY,
+};
+
+struct rect {
+ int top; /* Upper left coordinate of rectangle */
+ int left;
+ int width;
+ int height;
+};
+
+struct pxp_layer_param {
+ unsigned short width;
+ unsigned short height;
+ unsigned int pixel_fmt;
+
+ /* layers combining parameters
+ * (these are ignored for S0 and output
+ * layers, and only apply for OL layer)
+ */
+ bool combine_enable;
+ __u32 color_key_enable;
+ __u32 color_key;
+ bool global_alpha_enable;
+ __u8 global_alpha;
+ bool local_alpha_enable;
+
+ dma_addr_t paddr;
+};
+
+struct pxp_proc_data {
+ /* S0 Transformation Info */
+ int scaling;
+ int hflip;
+ int vflip;
+ int rotate;
+ int yuv;
+
+ /* Source rectangle (srect) defines the sub-rectangle
+ * within S0 to undergo processing.
+ */
+ struct rect srect;
+ /* Dest rect (drect) defines how to position the processed
+ * source rectangle (after resizing) within the output frame,
+ * whose dimensions are defined in pxp->pxp_conf_state.out_param
+ */
+ struct rect drect;
+
+ /* Current S0 configuration */
+ __u32 bgcolor;
+
+ /* Output overlay support */
+ int overlay_state;
+
+ /* LUT transformation on Y data */
+ int lut_transform;
+};
+
+struct pxp_config_data {
+ struct pxp_layer_param s0_param;
+ struct pxp_layer_param ol_param[8];
+ struct pxp_layer_param out_param;
+ struct pxp_proc_data proc_data;
+ int layer_nr;
+
+ /* Users don't touch */
+ int chan_id;
+};
+
+struct pxp_mem_desc {
+ __u32 size;
+ dma_addr_t phys_addr;
+ __u32 cpu_addr; /* cpu address to free the dma mem */
+ __u32 virt_uaddr; /* virtual user space address */
+};
+
+#ifdef __KERNEL__
+
+struct pxp_tx_desc {
+ struct dma_async_tx_descriptor txd;
+ struct list_head list;
+ int len;
+ union {
+ struct pxp_layer_param s0_param;
+ struct pxp_layer_param out_param;
+ struct pxp_layer_param ol_param;
+ } layer_param;
+ struct pxp_proc_data proc_data;
+
+ u32 hist_status; /* Histogram output status */
+
+ struct pxp_tx_desc *next;
+};
+
+struct pxp_channel {
+ struct dma_chan dma_chan;
+ dma_cookie_t completed; /* last completed cookie */
+ enum pxp_channel_status status;
+ void *client; /* Only one client per channel */
+ unsigned int n_tx_desc;
+ struct pxp_tx_desc *desc; /* allocated tx-descriptors */
+ struct list_head active_list; /* active tx-descriptors */
+ struct list_head free_list; /* free tx-descriptors */
+ struct list_head queue; /* queued tx-descriptors */
+ struct list_head list; /* track queued channel number */
+ spinlock_t lock; /* protects sg[0,1], queue */
+ struct mutex chan_mutex; /* protects status, cookie, free_list */
+ int active_buffer;
+ unsigned int eof_irq;
+ char eof_name[16]; /* EOF IRQ name for request_irq() */
+};
+
+struct pxp_irq_info {
+ wait_queue_head_t waitq;
+ int irq_pending;
+ int hist_status;
+};
+
+#define to_tx_desc(tx) container_of(tx, struct pxp_tx_desc, txd)
+#define to_pxp_channel(d) container_of(d, struct pxp_channel, dma_chan)
+
+void pxp_txd_ack(struct dma_async_tx_descriptor *txd,
+ struct pxp_channel *pxp_chan);
+#endif
+
+#endif