Subversion Repositories HelenOS

Rev

Rev 4626 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4626 Rev 4637
1
/*
1
/*
2
 * Copyright (c) 2006 Martin Decky
2
 * Copyright (c) 2006 Martin Decky
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
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
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.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
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.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup genarch
29
/** @addtogroup genarch
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_CUDA_H_
35
#ifndef KERN_CUDA_H_
36
#define KERN_CUDA_H_
36
#define KERN_CUDA_H_
37
 
37
 
38
#include <ddi/irq.h>
38
#include <ddi/irq.h>
39
#include <arch/types.h>
39
#include <arch/types.h>
40
#include <console/chardev.h>
40
#include <console/chardev.h>
41
#include <synch/spinlock.h>
41
#include <synch/spinlock.h>
42
 
42
 
43
typedef struct {
43
typedef struct {
44
    uint8_t b;
44
    uint8_t b;
45
    uint8_t pad0[0x1ff];
45
    uint8_t pad0[0x1ff];
46
 
46
 
47
    uint8_t a;
47
    uint8_t a;
48
    uint8_t pad1[0x1ff];
48
    uint8_t pad1[0x1ff];
49
 
49
 
50
    uint8_t dirb;
50
    uint8_t dirb;
51
    uint8_t pad2[0x1ff];
51
    uint8_t pad2[0x1ff];
52
 
52
 
53
    uint8_t dira;
53
    uint8_t dira;
54
    uint8_t pad3[0x1ff];
54
    uint8_t pad3[0x1ff];
55
 
55
 
56
    uint8_t t1cl;
56
    uint8_t t1cl;
57
    uint8_t pad4[0x1ff];
57
    uint8_t pad4[0x1ff];
58
 
58
 
59
    uint8_t t1ch;
59
    uint8_t t1ch;
60
    uint8_t pad5[0x1ff];
60
    uint8_t pad5[0x1ff];
61
 
61
 
62
    uint8_t t1ll;
62
    uint8_t t1ll;
63
    uint8_t pad6[0x1ff];
63
    uint8_t pad6[0x1ff];
64
 
64
 
65
    uint8_t t1lh;
65
    uint8_t t1lh;
66
    uint8_t pad7[0x1ff];
66
    uint8_t pad7[0x1ff];
67
 
67
 
68
    uint8_t t2cl;
68
    uint8_t t2cl;
69
    uint8_t pad8[0x1ff];
69
    uint8_t pad8[0x1ff];
70
 
70
 
71
    uint8_t t2ch;
71
    uint8_t t2ch;
72
    uint8_t pad9[0x1ff];
72
    uint8_t pad9[0x1ff];
73
 
73
 
74
    uint8_t sr;
74
    uint8_t sr;
75
    uint8_t pad10[0x1ff];
75
    uint8_t pad10[0x1ff];
76
 
76
 
77
    uint8_t acr;
77
    uint8_t acr;
78
    uint8_t pad11[0x1ff];
78
    uint8_t pad11[0x1ff];
79
 
79
 
80
    uint8_t pcr;
80
    uint8_t pcr;
81
    uint8_t pad12[0x1ff];
81
    uint8_t pad12[0x1ff];
82
 
82
 
83
    uint8_t ifr;
83
    uint8_t ifr;
84
    uint8_t pad13[0x1ff];
84
    uint8_t pad13[0x1ff];
85
 
85
 
86
    uint8_t ier;
86
    uint8_t ier;
87
    uint8_t pad14[0x1ff];
87
    uint8_t pad14[0x1ff];
88
 
88
 
89
    uint8_t anh;
89
    uint8_t anh;
90
    uint8_t pad15[0x1ff];
90
    uint8_t pad15[0x1ff];
91
} cuda_t;
91
} cuda_t;
92
 
92
 
93
enum {
93
enum {
94
    CUDA_RCV_BUF_SIZE = 5
94
    CUDA_RCV_BUF_SIZE = 5
95
};
95
};
96
 
96
 
97
enum cuda_xfer_state {
97
enum cuda_xfer_state {
98
    cx_listen,
98
    cx_listen,
99
    cx_receive,
99
    cx_receive,
100
    cx_rcv_end
100
    cx_rcv_end,
-
 
101
    cx_send_start,
-
 
102
    cx_send
101
};
103
};
102
 
104
 
103
typedef struct {
105
typedef struct {
104
    irq_t irq;
106
    irq_t irq;
105
    cuda_t *cuda;
107
    cuda_t *cuda;
106
    indev_t *kbrdin;
108
    indev_t *kbrdin;
107
    uint8_t rcv_buf[CUDA_RCV_BUF_SIZE];
109
    uint8_t rcv_buf[CUDA_RCV_BUF_SIZE];
-
 
110
    uint8_t snd_buf[CUDA_RCV_BUF_SIZE];
108
    size_t bidx;
111
    size_t bidx;
-
 
112
    size_t snd_bytes;
109
    enum cuda_xfer_state xstate;
113
    enum cuda_xfer_state xstate;
110
    SPINLOCK_DECLARE(dev_lock);
114
    SPINLOCK_DECLARE(dev_lock);
111
} cuda_instance_t;
115
} cuda_instance_t;
112
 
116
 
113
extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *);
117
extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *);
114
extern void cuda_wire(cuda_instance_t *, indev_t *);
118
extern void cuda_wire(cuda_instance_t *, indev_t *);
115
 
119
 
116
#endif
120
#endif
117
 
121
 
118
/** @}
122
/** @}
119
 */
123
 */
120
 
124