PageRenderTime 46ms CodeModel.GetById 21ms app.highlight 4ms RepoModel.GetById 0ms app.codeStats 0ms

/arch/mips/include/asm/sgi/pi1.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C++ Header | 71 lines | 65 code | 3 blank | 3 comment | 0 complexity | c4f31d8a7a7931e48573105350fb759b MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 2 * pi1.h: Definitions for SGI PI1 parallel port
 3 */
 4
 5#ifndef _SGI_PI1_H
 6#define _SGI_PI1_H
 7
 8struct pi1_regs {
 9	u8 _data[3];
10	volatile u8 data;
11	u8 _ctrl[3];
12	volatile u8 ctrl;
13#define PI1_CTRL_STROBE_N	0x01
14#define PI1_CTRL_AFD_N		0x02
15#define PI1_CTRL_INIT_N		0x04
16#define PI1_CTRL_SLIN_N		0x08
17#define PI1_CTRL_IRQ_ENA	0x10
18#define PI1_CTRL_DIR		0x20
19#define PI1_CTRL_SEL		0x40
20	u8 _status[3];
21	volatile u8 status;
22#define PI1_STAT_DEVID		0x03	/* bits 0-1 */
23#define PI1_STAT_NOINK		0x04	/* SGI MODE only */
24#define PI1_STAT_ERROR		0x08
25#define PI1_STAT_ONLINE		0x10
26#define PI1_STAT_PE		0x20
27#define PI1_STAT_ACK		0x40
28#define PI1_STAT_BUSY		0x80
29	u8 _dmactrl[3];
30	volatile u8 dmactrl;
31#define PI1_DMACTRL_FIFO_EMPTY	0x01    /* fifo empty R/O */
32#define PI1_DMACTRL_ABORT	0x02    /* reset DMA and internal fifo W/O */
33#define PI1_DMACTRL_STDMODE	0x00    /* bits 2-3 */
34#define PI1_DMACTRL_SGIMODE	0x04    /* bits 2-3 */
35#define PI1_DMACTRL_RICOHMODE	0x08    /* bits 2-3 */
36#define PI1_DMACTRL_HPMODE	0x0c    /* bits 2-3 */
37#define PI1_DMACTRL_BLKMODE	0x10    /* block mode */
38#define PI1_DMACTRL_FIFO_CLEAR	0x20    /* clear fifo W/O */
39#define PI1_DMACTRL_READ	0x40    /* read */
40#define PI1_DMACTRL_RUN		0x80    /* pedal to the metal */
41	u8 _intstat[3];
42	volatile u8 intstat;
43#define PI1_INTSTAT_ACK		0x04
44#define PI1_INTSTAT_FEMPTY	0x08
45#define PI1_INTSTAT_NOINK	0x10
46#define PI1_INTSTAT_ONLINE	0x20
47#define PI1_INTSTAT_ERR		0x40
48#define PI1_INTSTAT_PE		0x80
49	u8 _intmask[3];
50	volatile u8 intmask;		/* enabled low, reset high*/
51#define PI1_INTMASK_ACK		0x04
52#define PI1_INTMASK_FIFO_EMPTY	0x08
53#define PI1_INTMASK_NOINK	0x10
54#define PI1_INTMASK_ONLINE	0x20
55#define PI1_INTMASK_ERR		0x40
56#define PI1_INTMASK_PE		0x80
57	u8 _timer1[3];
58	volatile u8 timer1;
59#define PI1_TIME1		0x27
60	u8 _timer2[3];
61	volatile u8 timer2;
62#define PI1_TIME2		0x13
63	u8 _timer3[3];
64	volatile u8 timer3;
65#define PI1_TIME3		0x10
66	u8 _timer4[3];
67	volatile u8 timer4;
68#define PI1_TIME4		0x00
69};
70
71#endif