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/
usr
/
src
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linux-headers-6.8.0-36-generic
/
arch
/
sparc
/
include
/
asm
/ [
drwxr-xr-x
]
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sunbpp.h
/* 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) */
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