| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126 | /* * bfin_ppi.h - interface to Blackfin PPIs * * Copyright 2005-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */#ifndef __ASM_BFIN_PPI_H__#define __ASM_BFIN_PPI_H__#include <linux/types.h>#include <asm/blackfin.h>/* * All Blackfin system MMRs are padded to 32bits even if the register * itself is only 16bits.  So use a helper macro to streamline this. */#define __BFP(m) u16 m; u16 __pad_##m/* * bfin ppi registers layout */struct bfin_ppi_regs {	__BFP(control);	__BFP(status);	__BFP(count);	__BFP(delay);	__BFP(frame);};/* * bfin eppi registers layout */struct bfin_eppi_regs {	__BFP(status);	__BFP(hcount);	__BFP(hdelay);	__BFP(vcount);	__BFP(vdelay);	__BFP(frame);	__BFP(line);	__BFP(clkdiv);	u32 control;	u32 fs1w_hbl;	u32 fs1p_avpl;	u32 fs2w_lvb;	u32 fs2p_lavf;	u32 clip;};/* * bfin eppi3 registers layout */struct bfin_eppi3_regs {	u32 stat;	u32 hcnt;	u32 hdly;	u32 vcnt;	u32 vdly;	u32 frame;	u32 line;	u32 clkdiv;	u32 ctl;	u32 fs1_wlhb;	u32 fs1_paspl;	u32 fs2_wlvb;	u32 fs2_palpf;	u32 imsk;	u32 oddclip;	u32 evenclip;	u32 fs1_dly;	u32 fs2_dly;	u32 ctl2;};#undef __BFP#ifdef EPPI0_CTL2#define EPPI_STAT_CFIFOERR              0x00000001    /* Chroma FIFO Error */#define EPPI_STAT_YFIFOERR              0x00000002    /* Luma FIFO Error */#define EPPI_STAT_LTERROVR              0x00000004    /* Line Track Overflow */#define EPPI_STAT_LTERRUNDR             0x00000008    /* Line Track Underflow */#define EPPI_STAT_FTERROVR              0x00000010    /* Frame Track Overflow */#define EPPI_STAT_FTERRUNDR             0x00000020    /* Frame Track Underflow */#define EPPI_STAT_ERRNCOR               0x00000040    /* Preamble Error Not Corrected */#define EPPI_STAT_PXPERR                0x00000080    /* PxP Ready Error */#define EPPI_STAT_ERRDET                0x00004000    /* Preamble Error Detected */#define EPPI_STAT_FLD                   0x00008000    /* Current Field Received by EPPI */#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 */#define EPPI_HDLY_VALUE                 0x0000FFFF    /* Number of PPIx_CLK cycles to delay after assertion of PPIx_FS1 before starting to read or write data */#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 */#define EPPI_VDLY_VALUE                 0x0000FFFF    /* Number of lines to wait after the start of a new frame before starting to read/transmit data */#define EPPI_FRAME_VALUE                0x0000FFFF    /* Holds the number of lines expected per frame of data */#define EPPI_LINE_VALUE                 0x0000FFFF    /* Holds the number of samples expected per line */#define EPPI_CLKDIV_VALUE               0x0000FFFF    /* Internal clock divider */#define EPPI_CTL_EN                     0x00000001    /* PPI Enable */#define EPPI_CTL_DIR                    0x00000002    /* PPI Direction */#define EPPI_CTL_XFRTYPE                0x0000000C    /* PPI Operating Mode */#define EPPI_CTL_ACTIVE656              0x00000000    /* XFRTYPE: ITU656 Active Video Only Mode */#define EPPI_CTL_ENTIRE656              0x00000004    /* XFRTYPE: ITU656 Entire Field Mode */#define EPPI_CTL_VERT656                0x00000008    /* XFRTYPE: ITU656 Vertical Blanking Only Mode */#define EPPI_CTL_NON656                 0x0000000C    /* XFRTYPE: Non-ITU656 Mode (GP Mode) */#define EPPI_CTL_FSCFG                  0x00000030    /* Frame Sync Configuration */#define EPPI_CTL_SYNC0                  0x00000000    /* FSCFG: Sync Mode 0 */#define EPPI_CTL_SYNC1                  0x00000010    /* FSCFG: Sync Mode 1 */#define EPPI_CTL_SYNC2                  0x00000020    /* FSCFG: Sync Mode 2 */#define EPPI_CTL_SYNC3                  0x00000030    /* FSCFG: Sync Mode 3 */#define EPPI_CTL_FLDSEL                 0x00000040    /* Field Select/Trigger */#define EPPI_CTL_ITUTYPE                0x00000080    /* ITU Interlace or Progressive */#define EPPI_CTL_BLANKGEN               0x00000100    /* ITU Output Mode with Internal Blanking Generation */#define EPPI_CTL_ICLKGEN                0x00000200    /* Internal Clock Generation */#define EPPI_CTL_IFSGEN                 0x00000400    /* Internal Frame Sync Generation */#define EPPI_CTL_SIGNEXT                0x00000800    /* Sign Extension */#define EPPI_CTL_POLC                   0x00003000    /* Frame Sync and Data Driving and Sampling Edges */#define EPPI_CTL_POLC0                  0x00000000    /* POLC: Clock/Sync polarity mode 0 */#define EPPI_CTL_POLC1                  0x00001000    /* POLC: Clock/Sync polarity mode 1 */#define EPPI_CTL_POLC2                  0x00002000    /* POLC: Clock/Sync polarity mode 2 */
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