diff options
Diffstat (limited to 'kernel/arch/blackfin/include/asm/bfin_ppi.h')
| -rw-r--r-- | kernel/arch/blackfin/include/asm/bfin_ppi.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/include/asm/bfin_ppi.h b/kernel/arch/blackfin/include/asm/bfin_ppi.h new file mode 100644 index 000000000..a4e872e16 --- /dev/null +++ b/kernel/arch/blackfin/include/asm/bfin_ppi.h @@ -0,0 +1,181 @@ +/* + * 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 */ +#define EPPI_CTL_POLC3 0x00003000 /* POLC: Clock/Sync polarity mode 3 */ +#define EPPI_CTL_POLS 0x0000C000 /* Frame Sync Polarity */ +#define EPPI_CTL_FS1HI_FS2HI 0x00000000 /* POLS: FS1 and FS2 are active high */ +#define EPPI_CTL_FS1LO_FS2HI 0x00004000 /* POLS: FS1 is active low. FS2 is active high */ +#define EPPI_CTL_FS1HI_FS2LO 0x00008000 /* POLS: FS1 is active high. FS2 is active low */ +#define EPPI_CTL_FS1LO_FS2LO 0x0000C000 /* POLS: FS1 and FS2 are active low */ +#define EPPI_CTL_DLEN 0x00070000 /* Data Length */ +#define EPPI_CTL_DLEN08 0x00000000 /* DLEN: 8 bits */ +#define EPPI_CTL_DLEN10 0x00010000 /* DLEN: 10 bits */ +#define EPPI_CTL_DLEN12 0x00020000 /* DLEN: 12 bits */ +#define EPPI_CTL_DLEN14 0x00030000 /* DLEN: 14 bits */ +#define EPPI_CTL_DLEN16 0x00040000 /* DLEN: 16 bits */ +#define EPPI_CTL_DLEN18 0x00050000 /* DLEN: 18 bits */ +#define EPPI_CTL_DLEN20 0x00060000 /* DLEN: 20 bits */ +#define EPPI_CTL_DLEN24 0x00070000 /* DLEN: 24 bits */ +#define EPPI_CTL_DMIRR 0x00080000 /* Data Mirroring */ +#define EPPI_CTL_SKIPEN 0x00100000 /* Skip Enable */ +#define EPPI_CTL_SKIPEO 0x00200000 /* Skip Even or Odd */ +#define EPPI_CTL_PACKEN 0x00400000 /* Pack/Unpack Enable */ +#define EPPI_CTL_SWAPEN 0x00800000 /* Swap Enable */ +#define EPPI_CTL_SPLTEO 0x01000000 /* Split Even and Odd Data Samples */ +#define EPPI_CTL_SUBSPLTODD 0x02000000 /* Sub-Split Odd Samples */ +#define EPPI_CTL_SPLTWRD 0x04000000 /* Split Word */ +#define EPPI_CTL_RGBFMTEN 0x08000000 /* RGB Formatting Enable */ +#define EPPI_CTL_DMACFG 0x10000000 /* One or Two DMA Channels Mode */ +#define EPPI_CTL_DMAFINEN 0x20000000 /* DMA Finish Enable */ +#define EPPI_CTL_MUXSEL 0x40000000 /* MUX Select */ +#define EPPI_CTL_CLKGATEN 0x80000000 /* Clock Gating Enable */ + +#define EPPI_FS2_WLVB_F2VBAD 0xFF000000 /* In GP transmit mode with BLANKGEN = 1, contains number of lines of vertical blanking after field 2 */ +#define EPPI_FS2_WLVB_F2VBBD 0x00FF0000 /* In GP transmit mode with BLANKGEN = 1, contains number of lines of vertical blanking before field 2 */ +#define EPPI_FS2_WLVB_F1VBAD 0x0000FF00 /* In GP transmit mode with, BLANKGEN = 1, contains number of lines of vertical blanking after field 1 */ +#define EPPI_FS2_WLVB_F1VBBD 0x000000FF /* In GP 2, or 3 FS modes used to generate PPIx_FS2 width (32-bit). In GP Transmit mode, with BLANKGEN=1, contains the number of lines of Vertical blanking before field 1. */ + +#define EPPI_FS2_PALPF_F2ACT 0xFFFF0000 /* Number of lines of Active Data in Field 2 */ +#define EPPI_FS2_PALPF_F1ACT 0x0000FFFF /* Number of lines of Active Data in Field 1 */ + +#define EPPI_IMSK_CFIFOERR 0x00000001 /* Mask CFIFO Underflow or Overflow Error Interrupt */ +#define EPPI_IMSK_YFIFOERR 0x00000002 /* Mask YFIFO Underflow or Overflow Error Interrupt */ +#define EPPI_IMSK_LTERROVR 0x00000004 /* Mask Line Track Overflow Error Interrupt */ +#define EPPI_IMSK_LTERRUNDR 0x00000008 /* Mask Line Track Underflow Error Interrupt */ +#define EPPI_IMSK_FTERROVR 0x00000010 /* Mask Frame Track Overflow Error Interrupt */ +#define EPPI_IMSK_FTERRUNDR 0x00000020 /* Mask Frame Track Underflow Error Interrupt */ +#define EPPI_IMSK_ERRNCOR 0x00000040 /* Mask ITU Preamble Error Not Corrected Interrupt */ +#define EPPI_IMSK_PXPERR 0x00000080 /* Mask PxP Ready Error Interrupt */ + +#define EPPI_ODDCLIP_HIGHODD 0xFFFF0000 +#define EPPI_ODDCLIP_LOWODD 0x0000FFFF + +#define EPPI_EVENCLIP_HIGHEVEN 0xFFFF0000 +#define EPPI_EVENCLIP_LOWEVEN 0x0000FFFF + +#define EPPI_CTL2_FS1FINEN 0x00000002 /* HSYNC Finish Enable */ +#endif +#endif |