mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
3.3 KiB
81 lines
3.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* include/asm/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) */
|
|
|