Subversion Repositories HelenOS

Rev

Rev 4327 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
982 decky 1
/*
2071 jermar 2
 * Copyright (c) 2006 Martin Decky
982 decky 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
4311 decky 29
/** @addtogroup genarch
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
4311 decky 35
#ifndef KERN_CUDA_H_
36
#define KERN_CUDA_H_
982 decky 37
 
4311 decky 38
#include <ddi/irq.h>
1004 decky 39
#include <arch/types.h>
4311 decky 40
#include <console/chardev.h>
4718 mejdrech 41
#include <synch/spinlock.h>
982 decky 42
 
4311 decky 43
typedef struct {
4718 mejdrech 44
    uint8_t b;
45
    uint8_t pad0[0x1ff];
46
 
47
    uint8_t a;
48
    uint8_t pad1[0x1ff];
49
 
50
    uint8_t dirb;
51
    uint8_t pad2[0x1ff];
52
 
53
    uint8_t dira;
54
    uint8_t pad3[0x1ff];
55
 
56
    uint8_t t1cl;
57
    uint8_t pad4[0x1ff];
58
 
59
    uint8_t t1ch;
60
    uint8_t pad5[0x1ff];
61
 
62
    uint8_t t1ll;
63
    uint8_t pad6[0x1ff];
64
 
65
    uint8_t t1lh;
66
    uint8_t pad7[0x1ff];
67
 
68
    uint8_t t2cl;
69
    uint8_t pad8[0x1ff];
70
 
71
    uint8_t t2ch;
72
    uint8_t pad9[0x1ff];
73
 
74
    uint8_t sr;
75
    uint8_t pad10[0x1ff];
76
 
77
    uint8_t acr;
78
    uint8_t pad11[0x1ff];
79
 
80
    uint8_t pcr;
81
    uint8_t pad12[0x1ff];
82
 
83
    uint8_t ifr;
84
    uint8_t pad13[0x1ff];
85
 
86
    uint8_t ier;
87
    uint8_t pad14[0x1ff];
88
 
89
    uint8_t anh;
90
    uint8_t pad15[0x1ff];
4311 decky 91
} cuda_t;
990 decky 92
 
4718 mejdrech 93
enum {
94
    CUDA_RCV_BUF_SIZE = 5
95
};
96
 
97
enum cuda_xfer_state {
98
    cx_listen,
99
    cx_receive,
100
    cx_rcv_end,
101
    cx_send_start,
102
    cx_send
103
};
104
 
4311 decky 105
typedef struct {
106
    irq_t irq;
107
    cuda_t *cuda;
108
    indev_t *kbrdin;
4718 mejdrech 109
    uint8_t rcv_buf[CUDA_RCV_BUF_SIZE];
110
    uint8_t snd_buf[CUDA_RCV_BUF_SIZE];
111
    size_t bidx;
112
    size_t snd_bytes;
113
    enum cuda_xfer_state xstate;
114
    SPINLOCK_DECLARE(dev_lock);
4311 decky 115
} cuda_instance_t;
116
 
117
extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *);
118
extern void cuda_wire(cuda_instance_t *, indev_t *);
119
 
982 decky 120
#endif
1702 cejka 121
 
1734 decky 122
/** @}
1702 cejka 123
 */