ngle.h revision 7517da51 
1/* $OpenBSD: wsfb_driver.c,v 1.18 2003/04/02 16:42:13 jason Exp $ */
2/*
3 * Copyright (c) 2024 Michael Lorenz
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 *    - Redistributions of source code must retain the above copyright
11 *      notice, this list of conditions and the following disclaimer.
12 *    - Redistributions in binary form must reproduce the above
13 *      copyright notice, this list of conditions and the following
14 *      disclaimer in the documentation and/or other materials provided
15 *      with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32#include <fcntl.h>
33#include <sys/types.h>
34#include <sys/time.h>
35#include <dev/wscons/wsconsio.h>
36
37#include "xorg-server.h"
38#include "xf86.h"
39#include "xf86_OSproc.h"
40#include "compiler.h"
41#include "xorgVersion.h"
42#include "xf86Cursor.h"
43#include "exa.h"
44#include "compat-api.h"
45
46#ifndef NGLE_H
47#define NGLE_H
48
49/* private data */
50typedef struct {
51	int			fd;
52	struct wsdisplayio_fbinfo fbi;
53	unsigned char*		fbmem;
54	size_t			fbmem_len;
55	void			*regs;
56	size_t			reglen;
57	Bool			HWCursor;
58	CloseScreenProcPtr	CloseScreen;
59	CreateScreenResourcesProcPtr CreateScreenResources;
60	EntityInfoPtr		pEnt;
61	struct wsdisplay_cursor cursor;
62	int			maskoffset;
63	xf86CursorInfoPtr	CursorInfoRec;
64	OptionInfoPtr		Options;
65	ExaDriverPtr		pExa;
66	uint32_t		gid, buf, fbacc;
67	int 			offset, hwmode;
68#define HW_FB	0
69#define HW_FILL	1
70#define HW_BLIT	2
71} NGLERec, *NGLEPtr;
72
73#define NGLEPTR(p) ((NGLEPtr)((p)->driverPrivate))
74
75Bool NGLESetupCursor(ScreenPtr);
76Bool NGLEInitAccel(ScreenPtr);
77Bool SummitInitAccel(ScreenPtr);
78
79static inline void
80NGLEWrite4(NGLEPtr fPtr, int offset, uint32_t val)
81{
82	volatile uint32_t *ptr = (uint32_t *)((uint8_t *)fPtr->regs + offset);
83	*ptr = val;
84}
85
86static inline void
87NGLEWrite1(NGLEPtr fPtr, int offset, uint8_t val)
88{
89	volatile uint8_t *ptr = (uint8_t *)fPtr->regs + offset;
90	*ptr = val;
91}
92
93static inline uint32_t
94NGLERead4(NGLEPtr fPtr, int offset)
95{
96	volatile uint32_t *ptr = (uint32_t *)((uint8_t *)fPtr->regs + offset);
97	return *ptr;
98}
99
100static inline uint8_t
101NGLERead1(NGLEPtr fPtr, int offset)
102{
103	volatile uint8_t *ptr = (uint8_t *)fPtr->regs + offset;
104	return *ptr;
105}
106
107#endif
108