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+/*
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+ * bfin_ppi.h - interface to Blackfin PPIs
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+ *
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+ * Copyright 2005-2010 Analog Devices Inc.
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+ *
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+ * Licensed under the GPL-2 or later.
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+ */
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+
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+#ifndef __ASM_BFIN_PPI_H__
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+#define __ASM_BFIN_PPI_H__
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+
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+#include <linux/types.h>
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+#include <asm/blackfin.h>
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+
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+/*
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+ * All Blackfin system MMRs are padded to 32bits even if the register
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+ * itself is only 16bits. So use a helper macro to streamline this.
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+ */
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+#define __BFP(m) u16 m; u16 __pad_##m
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+
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+/*
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+ * bfin ppi registers layout
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+ */
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+struct bfin_ppi_regs {
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+ __BFP(control);
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+ __BFP(status);
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+ __BFP(count);
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+ __BFP(delay);
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+ __BFP(frame);
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+};
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+
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+/*
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+ * bfin eppi registers layout
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+ */
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+struct bfin_eppi_regs {
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+ __BFP(status);
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+ __BFP(hcount);
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+ __BFP(hdelay);
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+ __BFP(vcount);
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+ __BFP(vdelay);
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+ __BFP(frame);
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+ __BFP(line);
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+ __BFP(clkdiv);
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+ u32 control;
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+ u32 fs1w_hbl;
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+ u32 fs1p_avpl;
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+ u32 fs2w_lvb;
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+ u32 fs2p_lavf;
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+ u32 clip;
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+};
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+
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+/*
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+ * bfin eppi3 registers layout
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+ */
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+struct bfin_eppi3_regs {
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+ u32 stat;
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+ u32 hcnt;
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+ u32 hdly;
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+ u32 vcnt;
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+ u32 vdly;
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+ u32 frame;
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+ u32 line;
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+ u32 clkdiv;
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+ u32 ctl;
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+ u32 fs1_wlhb;
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+ u32 fs1_paspl;
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+ u32 fs2_wlvb;
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+ u32 fs2_palpf;
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+ u32 imsk;
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+ u32 oddclip;
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+ u32 evenclip;
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+ u32 fs1_dly;
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+ u32 fs2_dly;
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+ u32 ctl2;
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+};
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+
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+#undef __BFP
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+
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+#ifdef EPPI0_CTL2
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+#define EPPI_STAT_CFIFOERR 0x00000001 /* Chroma FIFO Error */
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+#define EPPI_STAT_YFIFOERR 0x00000002 /* Luma FIFO Error */
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+#define EPPI_STAT_LTERROVR 0x00000004 /* Line Track Overflow */
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+#define EPPI_STAT_LTERRUNDR 0x00000008 /* Line Track Underflow */
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+#define EPPI_STAT_FTERROVR 0x00000010 /* Frame Track Overflow */
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+#define EPPI_STAT_FTERRUNDR 0x00000020 /* Frame Track Underflow */
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+#define EPPI_STAT_ERRNCOR 0x00000040 /* Preamble Error Not Corrected */
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+#define EPPI_STAT_PXPERR 0x00000080 /* PxP Ready Error */
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+#define EPPI_STAT_ERRDET 0x00004000 /* Preamble Error Detected */
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+#define EPPI_STAT_FLD 0x00008000 /* Current Field Received by EPPI */
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+
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+#define EPPI_HCNT_VALUE 0x0000FFFF /* Holds the number of samples to read in or write out per line, after PPIx_HDLY number of cycles have expired since the last assertion of PPIx_FS1 */
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+
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+#define EPPI_HDLY_VALUE 0x0000FFFF /* Number of PPIx_CLK cycles to delay after assertion of PPIx_FS1 before starting to read or write data */
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+
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+#define EPPI_VCNT_VALUE 0x0000FFFF /* Holds the number of lines to read in or write out, after PPIx_VDLY number of lines from the start of frame */
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+
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+#define EPPI_VDLY_VALUE 0x0000FFFF /* Number of lines to wait after the start of a new frame before starting to read/transmit data */
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+
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+#define EPPI_FRAME_VALUE 0x0000FFFF /* Holds the number of lines expected per frame of data */
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+
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+#define EPPI_LINE_VALUE 0x0000FFFF /* Holds the number of samples expected per line */
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+
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+#define EPPI_CLKDIV_VALUE 0x0000FFFF /* Internal clock divider */
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+
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+#define EPPI_CTL_EN 0x00000001 /* PPI Enable */
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+#define EPPI_CTL_DIR 0x00000002 /* PPI Direction */
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+#define EPPI_CTL_XFRTYPE 0x0000000C /* PPI Operating Mode */
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+#define EPPI_CTL_ACTIVE656 0x00000000 /* XFRTYPE: ITU656 Active Video Only Mode */
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+#define EPPI_CTL_ENTIRE656 0x00000004 /* XFRTYPE: ITU656 Entire Field Mode */
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+#define EPPI_CTL_VERT656 0x00000008 /* XFRTYPE: ITU656 Vertical Blanking Only Mode */
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+#define EPPI_CTL_NON656 0x0000000C /* XFRTYPE: Non-ITU656 Mode (GP Mode) */
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+#define EPPI_CTL_FSCFG 0x00000030 /* Frame Sync Configuration */
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+#define EPPI_CTL_SYNC0 0x00000000 /* FSCFG: Sync Mode 0 */
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+#define EPPI_CTL_SYNC1 0x00000010 /* FSCFG: Sync Mode 1 */
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+#define EPPI_CTL_SYNC2 0x00000020 /* FSCFG: Sync Mode 2 */
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+#define EPPI_CTL_SYNC3 0x00000030 /* FSCFG: Sync Mode 3 */
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+#define EPPI_CTL_FLDSEL 0x00000040 /* Field Select/Trigger */
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+#define EPPI_CTL_ITUTYPE 0x00000080 /* ITU Interlace or Progressive */
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+#define EPPI_CTL_BLANKGEN 0x00000100 /* ITU Output Mode with Internal Blanking Generation */
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+#define EPPI_CTL_ICLKGEN 0x00000200 /* Internal Clock Generation */
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+#define EPPI_CTL_IFSGEN 0x00000400 /* Internal Frame Sync Generation */
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+#define EPPI_CTL_SIGNEXT 0x00000800 /* Sign Extension */
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+#define EPPI_CTL_POLC 0x00003000 /* Frame Sync and Data Driving and Sampling Edges */
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+#define EPPI_CTL_POLC0 0x00000000 /* POLC: Clock/Sync polarity mode 0 */
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+#define EPPI_CTL_POLC1 0x00001000 /* POLC: Clock/Sync polarity mode 1 */
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+#define EPPI_CTL_POLC2 0x00002000 /* POLC: Clock/Sync polarity mode 2 */
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