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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
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 | /** |
32 | /** |
33 | * @file |
33 | * @file |
34 | * @brief Headers for Zilog 8530 serial port / keyboard driver. |
34 | * @brief Headers for Zilog 8530 serial port / keyboard driver. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #ifndef KERN_Z8530_H_ |
37 | #ifndef KERN_Z8530_H_ |
38 | #define KERN_Z8530_H_ |
38 | #define KERN_Z8530_H_ |
39 | 39 | ||
40 | #include <console/chardev.h> |
- | |
41 | #include <ipc/irq.h> |
- | |
42 | #include <ddi/irq.h> |
40 | #include <ddi/irq.h> |
- | 41 | #include <arch/types.h> |
|
43 | 42 | ||
- | 43 | #define WR0 0 |
|
- | 44 | #define WR1 1 |
|
- | 45 | #define WR2 2 |
|
- | 46 | #define WR3 3 |
|
- | 47 | #define WR4 4 |
|
- | 48 | #define WR5 5 |
|
- | 49 | #define WR6 6 |
|
- | 50 | #define WR7 7 |
|
- | 51 | #define WR8 8 |
|
- | 52 | #define WR9 9 |
|
- | 53 | #define WR10 10 |
|
- | 54 | #define WR11 11 |
|
- | 55 | #define WR12 12 |
|
44 | extern bool z8530_belongs_to_kernel; |
56 | #define WR13 13 |
- | 57 | #define WR14 14 |
|
- | 58 | #define WR15 15 |
|
45 | 59 | ||
- | 60 | #define RR0 0 |
|
- | 61 | #define RR1 1 |
|
- | 62 | #define RR2 2 |
|
- | 63 | #define RR3 3 |
|
- | 64 | #define RR8 8 |
|
- | 65 | #define RR10 10 |
|
- | 66 | #define RR12 12 |
|
- | 67 | #define RR13 13 |
|
- | 68 | #define RR14 14 |
|
- | 69 | #define RR15 15 |
|
- | 70 | ||
- | 71 | /** Reset pending TX interrupt. */ |
|
- | 72 | #define WR0_TX_IP_RST (0x5 << 3) |
|
- | 73 | #define WR0_ERR_RST (0x6 << 3) |
|
- | 74 | ||
- | 75 | /** Receive Interrupts Disabled. */ |
|
- | 76 | #define WR1_RID (0x0 << 3) |
|
46 | extern void z8530_init(devno_t, uintptr_t, inr_t, cir_t, void *); |
77 | /** Receive Interrupt on First Character or Special Condition. */ |
- | 78 | #define WR1_RIFCSC (0x1 << 3) |
|
- | 79 | /** Interrupt on All Receive Characters or Special Conditions. */ |
|
- | 80 | #define WR1_IARCSC (0x2 << 3) |
|
- | 81 | /** Receive Interrupt on Special Condition. */ |
|
- | 82 | #define WR1_RISC (0x3 << 3) |
|
- | 83 | /** Parity Is Special Condition. */ |
|
- | 84 | #define WR1_PISC (0x1 << 2) |
|
- | 85 | ||
- | 86 | /** Rx Enable. */ |
|
- | 87 | #define WR3_RX_ENABLE (0x1 << 0) |
|
- | 88 | /** 8-bits per character. */ |
|
- | 89 | #define WR3_RX8BITSCH (0x3 << 6) |
|
- | 90 | ||
- | 91 | /** Master Interrupt Enable. */ |
|
- | 92 | #define WR9_MIE (0x1 << 3) |
|
- | 93 | ||
- | 94 | /** Receive Character Available. */ |
|
- | 95 | #define RR0_RCA (0x1 << 0) |
|
- | 96 | ||
- | 97 | /** z8530's registers. */ |
|
- | 98 | struct z8530 { |
|
- | 99 | union { |
|
- | 100 | ioport8_t ctl_b; |
|
- | 101 | ioport8_t status_b; |
|
47 | extern void z8530_poll(void); |
102 | } __attribute__ ((packed)); |
- | 103 | uint8_t pad1; |
|
- | 104 | ioport8_t data_b; |
|
- | 105 | uint8_t pad2; |
|
- | 106 | union { |
|
- | 107 | ioport8_t ctl_a; |
|
- | 108 | ioport8_t status_a; |
|
48 | extern void z8530_grab(void); |
109 | } __attribute__ ((packed)); |
- | 110 | uint8_t pad3; |
|
- | 111 | ioport8_t data_a; |
|
- | 112 | } __attribute__ ((packed)); |
|
49 | extern void z8530_release(void); |
113 | typedef struct z8530 z8530_t; |
- | 114 | ||
- | 115 | /** Structure representing the z8530 device. */ |
|
- | 116 | typedef struct { |
|
- | 117 | devno_t devno; |
|
- | 118 | irq_t irq; |
|
- | 119 | z8530_t *z8530; |
|
50 | extern void z8530_interrupt(void); |
120 | } z8530_instance_t; |
- | 121 | ||
51 | extern char z8530_key_read(chardev_t *); |
122 | extern bool z8530_init(z8530_t *, devno_t, inr_t, cir_t, void *); |
52 | extern irq_ownership_t z8530_claim(void *); |
123 | extern irq_ownership_t z8530_claim(irq_t *); |
53 | extern void z8530_irq_handler(irq_t *); |
124 | extern void z8530_irq_handler(irq_t *); |
54 | 125 | ||
55 | #endif |
126 | #endif |
56 | 127 | ||
57 | /** @} |
128 | /** @} |
58 | */ |
129 | */ |
59 | 130 |