diff options
Diffstat (limited to 'include/asm-sparc/sunbpp.h')
| -rw-r--r-- | include/asm-sparc/sunbpp.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/asm-sparc/sunbpp.h b/include/asm-sparc/sunbpp.h new file mode 100644 index 00000000000..568db79b730 --- /dev/null +++ b/include/asm-sparc/sunbpp.h @@ -0,0 +1,80 @@ +/* $Id: sunbpp.h,v 1.1 1999/08/08 14:09:49 shadow Exp $ + * include/asm-sparc/sunbpp.h + */ + +#ifndef _ASM_SPARC_SUNBPP_H +#define _ASM_SPARC_SUNBPP_H + +struct bpp_regs { + /* DMA registers */ + __volatile__ __u32 p_csr; /* DMA Control/Status Register */ + __volatile__ __u32 p_addr; /* Address Register */ + __volatile__ __u32 p_bcnt; /* Byte Count Register */ + __volatile__ __u32 p_tst_csr; /* Test Control/Status (DMA2 only) */ + /* Parallel Port registers */ + __volatile__ __u16 p_hcr; /* Hardware Configuration Register */ + __volatile__ __u16 p_ocr; /* Operation Configuration Register */ + __volatile__ __u8 p_dr; /* Parallel Data Register */ + __volatile__ __u8 p_tcr; /* Transfer Control Register */ + __volatile__ __u8 p_or; /* Output Register */ + __volatile__ __u8 p_ir; /* Input Register */ + __volatile__ __u16 p_icr; /* Interrupt Control Register */ +}; + +/* P_HCR. Time is in increments of SBus clock. */ +#define P_HCR_TEST 0x8000 /* Allows buried counters to be read */ +#define P_HCR_DSW 0x7f00 /* Data strobe width (in ticks) */ +#define P_HCR_DDS 0x007f /* Data setup before strobe (in ticks) */ + +/* P_OCR. */ +#define P_OCR_MEM_CLR 0x8000 +#define P_OCR_DATA_SRC 0x4000 /* ) */ +#define P_OCR_DS_DSEL 0x2000 /* ) Bidirectional */ +#define P_OCR_BUSY_DSEL 0x1000 /* ) selects */ +#define P_OCR_ACK_DSEL 0x0800 /* ) */ +#define P_OCR_EN_DIAG 0x0400 +#define P_OCR_BUSY_OP 0x0200 /* Busy operation */ +#define P_OCR_ACK_OP 0x0100 /* Ack operation */ +#define P_OCR_SRST 0x0080 /* Reset state machines. Not selfcleaning. */ +#define P_OCR_IDLE 0x0008 /* PP data transfer state machine is idle */ +#define P_OCR_V_ILCK 0x0002 /* Versatec faded. Zebra only. */ +#define P_OCR_EN_VER 0x0001 /* Enable Versatec (0 - enable). Zebra only. */ + +/* P_TCR */ +#define P_TCR_DIR 0x08 +#define P_TCR_BUSY 0x04 +#define P_TCR_ACK 0x02 +#define P_TCR_DS 0x01 /* Strobe */ + +/* P_OR */ +#define P_OR_V3 0x20 /* ) */ +#define P_OR_V2 0x10 /* ) on Zebra only */ +#define P_OR_V1 0x08 /* ) */ +#define P_OR_INIT 0x04 +#define P_OR_AFXN 0x02 /* Auto Feed */ +#define P_OR_SLCT_IN 0x01 + +/* P_IR */ +#define P_IR_PE 0x04 +#define P_IR_SLCT 0x02 +#define P_IR_ERR 0x01 + +/* P_ICR */ +#define P_DS_IRQ 0x8000 /* RW1 */ +#define P_ACK_IRQ 0x4000 /* RW1 */ +#define P_BUSY_IRQ 0x2000 /* RW1 */ +#define P_PE_IRQ 0x1000 /* RW1 */ +#define P_SLCT_IRQ 0x0800 /* RW1 */ +#define P_ERR_IRQ 0x0400 /* RW1 */ +#define P_DS_IRQ_EN 0x0200 /* RW Always on rising edge */ +#define P_ACK_IRQ_EN 0x0100 /* RW Always on rising edge */ +#define P_BUSY_IRP 0x0080 /* RW 1= rising edge */ +#define P_BUSY_IRQ_EN 0x0040 /* RW */ +#define P_PE_IRP 0x0020 /* RW 1= rising edge */ +#define P_PE_IRQ_EN 0x0010 /* RW */ +#define P_SLCT_IRP 0x0008 /* RW 1= rising edge */ +#define P_SLCT_IRQ_EN 0x0004 /* RW */ +#define P_ERR_IRP 0x0002 /* RW1 1= rising edge */ +#define P_ERR_IRQ_EN 0x0001 /* RW */ + +#endif /* !(_ASM_SPARC_SUNBPP_H) */ |