MLK-11327 dma: pxp: porting pxp dma driver to imx_4.1.y

Porting pxp dma drivers v2 and v3 to imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>

2 files changed, 346 insertions, 0 deletions

diff --git a/include/uapi/linux/pxp_device.h b/include/uapi/linux/pxp_device.h
new file mode 100644
index 000000000000..fce89ce066bb
--- /dev/null
+++ b/include/uapi/linux/pxp_device.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2013-2014 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 _UAPI_PXP_DEVICE
+#define _UAPI_PXP_DEVICE
+
+#include <linux/pxp_dma.h>
+
+struct pxp_chan_handle {
+	unsigned int handle;
+	int hist_status;
+};
+
+struct pxp_mem_desc {
+	unsigned int handle;
+	unsigned int size;
+	dma_addr_t phys_addr;
+	unsigned int virt_uaddr;		/* virtual user space address */
+	unsigned int mtype;
+};
+
+struct pxp_mem_flush {
+	unsigned int handle;
+	unsigned int type;
+};
+
+#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)
+#define PXP_IOC_FLUSH_PHYMEM   _IOR(PXP_IOC_MAGIC, 7, struct pxp_mem_flush)
+
+/* Memory types supported*/
+#define MEMORY_TYPE_UNCACHED 0x0
+#define MEMORY_TYPE_WC	     0x1
+#define MEMORY_TYPE_CACHED   0x2
+
+/* Cache flush operations */
+#define CACHE_CLEAN      0x1
+#define CACHE_INVALIDATE 0x2
+#define CACHE_FLUSH      0x4
+
+#endif
diff --git a/include/uapi/linux/pxp_dma.h b/include/uapi/linux/pxp_dma.h
new file mode 100644
index 000000000000..6aa013906c39
--- /dev/null
+++ b/include/uapi/linux/pxp_dma.h
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 2013-2015 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 _UAPI_PXP_DMA
+#define _UAPI_PXP_DMA
+
+#include <linux/posix_types.h>
+#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_VYUY    fourcc('V', 'Y', 'U', 'Y')  /*!< 16 YVU 4:2:2 */
+#define PXP_PIX_FMT_YVYU    fourcc('Y', 'V', 'Y', 'U')  /*!< 16 YVU 4:2:2 */
+#define PXP_PIX_FMT_Y41P    fourcc('Y', '4', '1', 'P')	/*!< 12 YUV 4:1:1 */
+#define PXP_PIX_FMT_VUY444  fourcc('V', 'U', 'Y', 'A')	/*!< 32 VUYA 8:8:8 */
+/* two planes -- one Y, one Cb + Cr interleaved  */
+#define PXP_PIX_FMT_NV12    fourcc('N', 'V', '1', '2')	/* 12  Y/CbCr 4:2:0  */
+#define PXP_PIX_FMT_NV21    fourcc('N', 'V', '2', '1')	/* 12  Y/CbCr 4:2:0  */
+#define PXP_PIX_FMT_NV16    fourcc('N', 'V', '1', '6')	/* 12  Y/CbCr 4:2:2  */
+#define PXP_PIX_FMT_NV61    fourcc('N', 'V', '6', '1')	/* 12  Y/CbCr 4:2:2  */
+/*! @} */
+/*! @name YUV Planar Formats */
+/*! @{ */
+#define PXP_PIX_FMT_GREY    fourcc('G', 'R', 'E', 'Y')	/*!< 8  Greyscale */
+#define PXP_PIX_FMT_GY04    fourcc('G', 'Y', '0', '4') /*!< 4  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 PXP_LUT_BLACK_WHITE		0x2
+#define PXP_LUT_USE_CMAP		0x4
+
+/* dithering modes enum */
+#define PXP_DITHER_PASS_THROUGH 0
+#define PXP_DITHER_FLOYD	1
+#define PXP_DITHER_ATKINSON	2
+#define PXP_DITHER_ORDERED	3
+#define PXP_DITHER_QUANT_ONLY	4
+
+#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)
+
+#define PXP_IOC_FILL_DATA    _IOWR(PXP_IOC_MAGIC, 7, struct pxp_mem_desc)
+
+/* Order significant! */
+enum pxp_channel_status {
+	PXP_CHANNEL_FREE,
+	PXP_CHANNEL_INITIALIZED,
+	PXP_CHANNEL_READY,
+};
+
+enum pxp_working_mode {
+	PXP_MODE_LEGACY			= 0x1,
+	PXP_MODE_STANDARD		= 0x2,
+	PXP_MODE_ADVANCED		= 0x4,
+};
+
+enum pxp_buffer_flag {
+	PXP_BUF_FLAG_WFE_A_FETCH0	= 0x0001,
+	PXP_BUF_FLAG_WFE_A_FETCH1	= 0x0002,
+	PXP_BUF_FLAG_WFE_A_STORE0	= 0x0004,
+	PXP_BUF_FLAG_WFE_A_STORE1	= 0x0008,
+	PXP_BUF_FLAG_WFE_B_FETCH0	= 0x0010,
+	PXP_BUF_FLAG_WFE_B_FETCH1	= 0x0020,
+	PXP_BUF_FLAG_WFE_B_STORE0	= 0x0040,
+	PXP_BUF_FLAG_WFE_B_STORE1	= 0x0080,
+	PXP_BUF_FLAG_DITHER_FETCH0	= 0x0100,
+	PXP_BUF_FLAG_DITHER_FETCH1	= 0x0200,
+	PXP_BUF_FLAG_DITHER_STORE0	= 0x0400,
+	PXP_BUF_FLAG_DITHER_STORE1	= 0x0800,
+};
+
+enum pxp_engine_ctrl {
+	PXP_ENABLE_ROTATE0		= 0x001,
+	PXP_ENABLE_ROTATE1		= 0x002,
+	PXP_ENABLE_LUT			= 0x004,
+	PXP_ENABLE_CSC2			= 0x008,
+	PXP_ENABLE_ALPHA_B		= 0x010,
+	PXP_ENABLE_INPUT_FETCH_SOTRE	= 0x020,
+	PXP_ENABLE_WFE_B		= 0x040,
+	PXP_ENABLE_WFE_A		= 0x080,
+	PXP_ENABLE_DITHER		= 0x100,
+	PXP_ENABLE_PS_AS_OUT		= 0x200,
+	PXP_ENABLE_COLLISION_DETECT     = 0x400,
+	PXP_ENABLE_HANDSHAKE		= 0x1000,
+	PXP_ENABLE_DITHER_BYPASS	= 0x2000,
+};
+
+struct rect {
+	int top;		/* Upper left coordinate of rectangle */
+	int left;
+	int width;
+	int height;
+};
+
+struct pxp_layer_param {
+	unsigned short left;
+	unsigned short top;
+	unsigned short width;
+	unsigned short height;
+	unsigned short stride; /* aka pitch */
+	unsigned int pixel_fmt;
+
+	unsigned int flag;
+	/* layers combining parameters
+	 * (these are ignored for S0 and output
+	 * layers, and only apply for OL layer)
+	 */
+	bool combine_enable;
+	unsigned int color_key_enable;
+	unsigned int color_key;
+	bool global_alpha_enable;
+	/* global alpha is either override or multiply */
+	bool global_override;
+	unsigned char global_alpha;
+	bool alpha_invert;
+	bool local_alpha_enable;
+	int comp_mask;
+
+	dma_addr_t paddr;
+};
+
+struct pxp_collision_info {
+	unsigned int pixel_cnt;
+	unsigned int rect_min_x;
+	unsigned int rect_min_y;
+	unsigned int rect_max_x;
+	unsigned int rect_max_y;
+	unsigned int victim_luts[2];
+};
+
+struct pxp_proc_data {
+	/* S0 Transformation Info */
+	int scaling;
+	int hflip;
+	int vflip;
+	int rotate;
+	int rot_pos;
+	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 */
+	unsigned int bgcolor;
+
+	/* Output overlay support */
+	int overlay_state;
+
+	/* LUT transformation on Y data */
+	int lut_transform;
+	unsigned char *lut_map; /* 256 entries */
+	bool lut_map_updated; /* Map recently changed */
+	bool combine_enable;
+
+	/* the mode pxp's working against */
+	enum pxp_working_mode working_mode;
+	enum pxp_engine_ctrl engine_enable;
+
+	/* wfe */
+/*
+ * partial:
+ *         0 - full update
+ *         1 - partial update
+ * alpha_en:
+ *         0 - upd is {Y4[3:0],4'b0000} format
+ *         1 - upd is {Y4[3:0],3'b000,alpha} format
+ * reagl_en:
+ *         0 - use normal waveform algorithm
+ *         1 - enable reagl/-d waveform algorithm
+ * detection_only:
+ *         0 - write working buffer
+ *         1 - do no write working buffer, detection only
+ * lut:
+ *         valid value 0-63
+ *         set to the lut used for next update
+ */
+	bool partial_update;
+	bool alpha_en;
+	bool lut_update;
+	bool reagl_en;		/* enable reagl/-d */
+	bool reagl_d_en;	/* enable reagl or reagl-d */
+	bool detection_only;
+	int lut;
+	unsigned int lut_status_1;
+	unsigned int lut_status_2;
+
+	/* Dithering specific data */
+	int dither_mode;
+	unsigned int quant_bit;
+};
+
+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_layer_param wfe_a_fetch_param[2];
+	struct pxp_layer_param wfe_a_store_param[2];
+	struct pxp_layer_param wfe_b_fetch_param[2];
+	struct pxp_layer_param wfe_b_store_param[2];
+	struct pxp_layer_param dither_fetch_param[2];
+	struct pxp_layer_param dither_store_param[2];
+	struct pxp_proc_data proc_data;
+	int layer_nr;
+
+	/* Users don't touch */
+	int handle;
+};
+
+#endif