1 | ; Project name : XTIDE Universal BIOS |
---|
2 | ; Description : Sets IDE Device specific parameters to DPT. |
---|
3 | |
---|
4 | ; |
---|
5 | ; XTIDE Universal BIOS and Associated Tools |
---|
6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
---|
7 | ; |
---|
8 | ; This program is free software; you can redistribute it and/or modify |
---|
9 | ; it under the terms of the GNU General Public License as published by |
---|
10 | ; the Free Software Foundation; either version 2 of the License, or |
---|
11 | ; (at your option) any later version. |
---|
12 | ; |
---|
13 | ; This program is distributed in the hope that it will be useful, |
---|
14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
16 | ; GNU General Public License for more details. |
---|
17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
---|
18 | ; |
---|
19 | |
---|
20 | ; Section containing code |
---|
21 | SECTION .text |
---|
22 | |
---|
23 | ;-------------------------------------------------------------------- |
---|
24 | ; IdeDPT_Finalize |
---|
25 | ; Parameters: |
---|
26 | ; DS:DI: Ptr to Disk Parameter Table |
---|
27 | ; ES:SI: Ptr to 512-byte ATA information read from the drive |
---|
28 | ; CS:BP: Ptr to IDEVARS for the controller |
---|
29 | ; Returns: |
---|
30 | ; CF: Clear, IDE interface only supports hard disks |
---|
31 | ; Corrupts registers: |
---|
32 | ; AX, BX, CX, DX |
---|
33 | ;-------------------------------------------------------------------- |
---|
34 | IdeDPT_Finalize: |
---|
35 | |
---|
36 | %ifdef MODULE_FEATURE_SETS |
---|
37 | ;-------------------------------------------------------------------- |
---|
38 | ; .DetectPowerManagementSupport |
---|
39 | ; Parameters: |
---|
40 | ; DS:DI: Ptr to Disk Parameter Table |
---|
41 | ; ES:SI: Ptr to 512-byte ATA information read from the drive |
---|
42 | ; Returns: |
---|
43 | ; Nothing |
---|
44 | ; Corrupts registers: |
---|
45 | ; Nothing |
---|
46 | ;-------------------------------------------------------------------- |
---|
47 | .DetectPowerManagementSupport: |
---|
48 | test BYTE [es:si+ATA6.wSetSup82], A6_wSetSup82_POWERMAN |
---|
49 | jz SHORT .NoPowerManagementSupport |
---|
50 | or BYTE [di+DPT.bFlagsHigh], FLGH_DPT_POWER_MANAGEMENT_SUPPORTED |
---|
51 | .NoPowerManagementSupport: |
---|
52 | %endif ; MODULE_FEATURE_SETS |
---|
53 | |
---|
54 | |
---|
55 | ;-------------------------------------------------------------------- |
---|
56 | ; .StoreDeviceType |
---|
57 | ; Parameters: |
---|
58 | ; DS:DI: Ptr to Disk Parameter Table |
---|
59 | ; CS:BP: Ptr to IDEVARS for the controller |
---|
60 | ; Returns: |
---|
61 | ; Nothing |
---|
62 | ; Corrupts registers: |
---|
63 | ; AL |
---|
64 | ;-------------------------------------------------------------------- |
---|
65 | .StoreDeviceType: |
---|
66 | call IdeDPT_StoreDeviceTypeToDPTinDSDIfromIdevarsInCSBP |
---|
67 | |
---|
68 | |
---|
69 | ;-------------------------------------------------------------------- |
---|
70 | ; .StoreBlockMode |
---|
71 | ; Parameters: |
---|
72 | ; DS:DI: Ptr to Disk Parameter Table |
---|
73 | ; Returns: |
---|
74 | ; Nothing |
---|
75 | ; Corrupts registers: |
---|
76 | ; Nothing |
---|
77 | ;-------------------------------------------------------------------- |
---|
78 | .StoreBlockMode: |
---|
79 | mov BYTE [di+DPT_ATA.bBlockSize], 1 |
---|
80 | |
---|
81 | |
---|
82 | %ifdef MODULE_ADVANCED_ATA |
---|
83 | ;-------------------------------------------------------------------- |
---|
84 | ; .StorePioModeAndTimings |
---|
85 | ; Parameters: |
---|
86 | ; DS:DI: Ptr to Disk Parameter Table |
---|
87 | ; ES:SI: Ptr to 512-byte ATA information read from the drive |
---|
88 | ; CS:BP: Ptr to IDEVARS for the controller |
---|
89 | ; Returns: |
---|
90 | ; Nothing |
---|
91 | ; Corrupts registers: |
---|
92 | ; AX, BX, CX |
---|
93 | ;-------------------------------------------------------------------- |
---|
94 | .StorePioMode: |
---|
95 | call AtaID_GetMaxPioModeToAXandMinCycleTimeToCX |
---|
96 | mov [di+DPT_ADVANCED_ATA.wMinPioCycleTime], cx |
---|
97 | mov [di+DPT_ADVANCED_ATA.bPioMode], al |
---|
98 | or [di+DPT.bFlagsHigh], ah |
---|
99 | |
---|
100 | |
---|
101 | ;-------------------------------------------------------------------- |
---|
102 | ; .DetectAdvancedIdeController |
---|
103 | ; Parameters: |
---|
104 | ; DS:DI: Ptr to Disk Parameter Table |
---|
105 | ; ES:SI: Ptr to 512-byte ATA information read from the drive |
---|
106 | ; CS:BP: Ptr to IDEVARS for the controller |
---|
107 | ; Returns: |
---|
108 | ; Nothing |
---|
109 | ; Corrupts registers: |
---|
110 | ; AX, BX, CX, DX |
---|
111 | ;-------------------------------------------------------------------- |
---|
112 | .DetectAdvancedIdeController: |
---|
113 | mov bx, [di+DPT.wBasePort] |
---|
114 | call AdvAtaInit_DetectControllerForIdeBaseInBX |
---|
115 | mov [di+DPT_ADVANCED_ATA.wControllerID], ax ; Store zero if none detected |
---|
116 | mov [di+DPT_ADVANCED_ATA.wControllerBasePort], dx |
---|
117 | jnc SHORT .NoAdvancedControllerDetected |
---|
118 | |
---|
119 | ; Use highest common PIO mode from controller and drive. |
---|
120 | ; Many VLB controllers support PIO modes up to 2. |
---|
121 | call AdvAtaInit_GetControllerMaxPioModeToAL |
---|
122 | jnc SHORT .ChangeTo32bitDevice |
---|
123 | and BYTE [di+DPT.bFlagsHigh], ~FLGH_DPT_IORDY ; No IORDY supported if need to limit |
---|
124 | MIN_U [di+DPT_ADVANCED_ATA.bPioMode], al |
---|
125 | |
---|
126 | ; We have detected 32-bit controller so change Device Type since |
---|
127 | ; it might have been set to 16-bit on IDEVARS |
---|
128 | .ChangeTo32bitDevice: |
---|
129 | mov BYTE [di+DPT_ATA.bDevice], DEVICE_32BIT_ATA |
---|
130 | .NoAdvancedControllerDetected: |
---|
131 | %endif ; MODULE_ADVANCED_ATA |
---|
132 | |
---|
133 | |
---|
134 | ; End DPT |
---|
135 | clc |
---|
136 | ret |
---|
137 | |
---|
138 | |
---|
139 | ;-------------------------------------------------------------------- |
---|
140 | ; IdeDPT_StoreDeviceTypeToDPTinDSDIfromIdevarsInCSBP |
---|
141 | ; Parameters: |
---|
142 | ; DS:DI: Ptr to Disk Parameter Table |
---|
143 | ; CS:BP: Ptr to IDEVARS for the controller |
---|
144 | ; Returns: |
---|
145 | ; Nothing |
---|
146 | ; Corrupts registers: |
---|
147 | ; AL |
---|
148 | ;-------------------------------------------------------------------- |
---|
149 | IdeDPT_StoreDeviceTypeToDPTinDSDIfromIdevarsInCSBP: |
---|
150 | mov al, [cs:bp+IDEVARS.bDevice] |
---|
151 | mov [di+DPT_ATA.bDevice], al |
---|
152 | ret |
---|