| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: sunbpp.h,v 1.1 1999/08/08 14:09:49 shadow Exp $ |
| 2 | * include/asm-sparc/sunbpp.h |
| 3 | */ |
| 4 | |
| 5 | #ifndef _ASM_SPARC_SUNBPP_H |
| 6 | #define _ASM_SPARC_SUNBPP_H |
| 7 | |
| 8 | struct bpp_regs { |
| 9 | /* DMA registers */ |
| 10 | __volatile__ __u32 p_csr; /* DMA Control/Status Register */ |
| 11 | __volatile__ __u32 p_addr; /* Address Register */ |
| 12 | __volatile__ __u32 p_bcnt; /* Byte Count Register */ |
| 13 | __volatile__ __u32 p_tst_csr; /* Test Control/Status (DMA2 only) */ |
| 14 | /* Parallel Port registers */ |
| 15 | __volatile__ __u16 p_hcr; /* Hardware Configuration Register */ |
| 16 | __volatile__ __u16 p_ocr; /* Operation Configuration Register */ |
| 17 | __volatile__ __u8 p_dr; /* Parallel Data Register */ |
| 18 | __volatile__ __u8 p_tcr; /* Transfer Control Register */ |
| 19 | __volatile__ __u8 p_or; /* Output Register */ |
| 20 | __volatile__ __u8 p_ir; /* Input Register */ |
| 21 | __volatile__ __u16 p_icr; /* Interrupt Control Register */ |
| 22 | }; |
| 23 | |
| 24 | /* P_HCR. Time is in increments of SBus clock. */ |
| 25 | #define P_HCR_TEST 0x8000 /* Allows buried counters to be read */ |
| 26 | #define P_HCR_DSW 0x7f00 /* Data strobe width (in ticks) */ |
| 27 | #define P_HCR_DDS 0x007f /* Data setup before strobe (in ticks) */ |
| 28 | |
| 29 | /* P_OCR. */ |
| 30 | #define P_OCR_MEM_CLR 0x8000 |
| 31 | #define P_OCR_DATA_SRC 0x4000 /* ) */ |
| 32 | #define P_OCR_DS_DSEL 0x2000 /* ) Bidirectional */ |
| 33 | #define P_OCR_BUSY_DSEL 0x1000 /* ) selects */ |
| 34 | #define P_OCR_ACK_DSEL 0x0800 /* ) */ |
| 35 | #define P_OCR_EN_DIAG 0x0400 |
| 36 | #define P_OCR_BUSY_OP 0x0200 /* Busy operation */ |
| 37 | #define P_OCR_ACK_OP 0x0100 /* Ack operation */ |
| 38 | #define P_OCR_SRST 0x0080 /* Reset state machines. Not selfcleaning. */ |
| 39 | #define P_OCR_IDLE 0x0008 /* PP data transfer state machine is idle */ |
| 40 | #define P_OCR_V_ILCK 0x0002 /* Versatec faded. Zebra only. */ |
| 41 | #define P_OCR_EN_VER 0x0001 /* Enable Versatec (0 - enable). Zebra only. */ |
| 42 | |
| 43 | /* P_TCR */ |
| 44 | #define P_TCR_DIR 0x08 |
| 45 | #define P_TCR_BUSY 0x04 |
| 46 | #define P_TCR_ACK 0x02 |
| 47 | #define P_TCR_DS 0x01 /* Strobe */ |
| 48 | |
| 49 | /* P_OR */ |
| 50 | #define P_OR_V3 0x20 /* ) */ |
| 51 | #define P_OR_V2 0x10 /* ) on Zebra only */ |
| 52 | #define P_OR_V1 0x08 /* ) */ |
| 53 | #define P_OR_INIT 0x04 |
| 54 | #define P_OR_AFXN 0x02 /* Auto Feed */ |
| 55 | #define P_OR_SLCT_IN 0x01 |
| 56 | |
| 57 | /* P_IR */ |
| 58 | #define P_IR_PE 0x04 |
| 59 | #define P_IR_SLCT 0x02 |
| 60 | #define P_IR_ERR 0x01 |
| 61 | |
| 62 | /* P_ICR */ |
| 63 | #define P_DS_IRQ 0x8000 /* RW1 */ |
| 64 | #define P_ACK_IRQ 0x4000 /* RW1 */ |
| 65 | #define P_BUSY_IRQ 0x2000 /* RW1 */ |
| 66 | #define P_PE_IRQ 0x1000 /* RW1 */ |
| 67 | #define P_SLCT_IRQ 0x0800 /* RW1 */ |
| 68 | #define P_ERR_IRQ 0x0400 /* RW1 */ |
| 69 | #define P_DS_IRQ_EN 0x0200 /* RW Always on rising edge */ |
| 70 | #define P_ACK_IRQ_EN 0x0100 /* RW Always on rising edge */ |
| 71 | #define P_BUSY_IRP 0x0080 /* RW 1= rising edge */ |
| 72 | #define P_BUSY_IRQ_EN 0x0040 /* RW */ |
| 73 | #define P_PE_IRP 0x0020 /* RW 1= rising edge */ |
| 74 | #define P_PE_IRQ_EN 0x0010 /* RW */ |
| 75 | #define P_SLCT_IRP 0x0008 /* RW 1= rising edge */ |
| 76 | #define P_SLCT_IRQ_EN 0x0004 /* RW */ |
| 77 | #define P_ERR_IRP 0x0002 /* RW1 1= rising edge */ |
| 78 | #define P_ERR_IRQ_EN 0x0001 /* RW */ |
| 79 | |
| 80 | #endif /* !(_ASM_SPARC_SUNBPP_H) */ |