jcs.org
fork of PCE focusing on macplus, supporting DaynaPort SCSI network emulation
1/*****************************************************************************
2 * pce *
3 *****************************************************************************/
4
5/*****************************************************************************
6 * File name: src/devices/ata.h *
7 * Created: 2004-12-03 by Hampa Hug <hampa@hampa.ch> *
8 * Copyright: (C) 2004-2011 Hampa Hug <hampa@hampa.ch> *
9 *****************************************************************************/
10
11/*****************************************************************************
12 * This program is free software. You can redistribute it and / or modify it *
13 * under the terms of the GNU General Public License version 2 as published *
14 * by the Free Software Foundation. *
15 * *
16 * This program is distributed in the hope that it will be useful, but *
17 * WITHOUT ANY WARRANTY, without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General *
19 * Public License for more details. *
20 *****************************************************************************/
21
22
23#ifndef PCE_DEVICES_ATA_H
24#define PCE_DEVICES_ATA_H 1
25
26
27#include <devices/memory.h>
28
29#include <drivers/block/block.h>
30
31
32struct ata_dev_s;
33struct ata_chn_s;
34
35
36#define ATA_BUF_MAX 4096
37
38
39typedef struct ata_dev_s {
40 struct ata_chn_s *chn;
41
42 unsigned char reg_cmd;
43 unsigned char reg_status;
44 unsigned char reg_error;
45 unsigned char reg_features;
46 unsigned char reg_cyl_lo;
47 unsigned char reg_cyl_hi;
48 unsigned char reg_head;
49 unsigned char reg_sec;
50 unsigned char reg_sec_cnt;
51 unsigned char reg_dev_ctl;
52
53 uint16_t c;
54 uint16_t h;
55 uint16_t s;
56
57 uint16_t default_c;
58 uint16_t default_h;
59 uint16_t default_s;
60
61 unsigned multi_block_max;
62 unsigned multi_block_size;
63
64 unsigned buf_i;
65 unsigned buf_n;
66 unsigned buf_m;
67 unsigned buf_mode;
68 uint32_t buf_blk_i;
69 uint32_t buf_blk_n;
70 unsigned buf_mult_i;
71 unsigned buf_mult_n;
72 unsigned char buf[ATA_BUF_MAX];
73 void (*callback) (struct ata_dev_s *dev);
74
75 char model[64];
76 char firmware[16];
77 char serial[32];
78
79 disk_t *blk;
80} ata_dev_t;
81
82
83typedef struct ata_chn_s {
84 mem_blk_t reg_cmd;
85 mem_blk_t reg_ctl;
86
87 void *irq_ext;
88 unsigned char irq_val;
89 void (*irq) (void *ext, unsigned char val);
90
91 ata_dev_t dev[2];
92 ata_dev_t *sel;
93} ata_chn_t;
94
95
96void ata_init (ata_chn_t *ata, unsigned long addr1, unsigned long addr2);
97void ata_free (ata_chn_t *ata);
98
99ata_chn_t *ata_new (unsigned long addr1, unsigned long addr2);
100void ata_del (ata_chn_t *ata);
101
102void ata_set_irq_f (ata_chn_t *ata, void *irq, void *ext);
103
104void ata_set_model (ata_chn_t *ata, unsigned devi, const char *name);
105
106void ata_set_multi_mode (ata_chn_t *ata, unsigned devi, unsigned max);
107
108void ata_set_block (ata_chn_t *ata, disk_t *blk, unsigned devi);
109
110unsigned char ata_cmd_get_uint8 (ata_chn_t *ata, unsigned long addr);
111unsigned short ata_cmd_get_uint16 (ata_chn_t *ata, unsigned long addr);
112unsigned long ata_cmd_get_uint32 (ata_chn_t *ata, unsigned long addr);
113
114void ata_cmd_set_uint8 (ata_chn_t *ata, unsigned long addr, unsigned char val);
115void ata_cmd_set_uint16 (ata_chn_t *ata, unsigned long addr, unsigned short val);
116void ata_cmd_set_uint32 (ata_chn_t *ata, unsigned long addr, unsigned long val);
117
118
119#endif