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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: intr.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)intr.fth 1.1 07/01/24 | |
43 | purpose: EHCI USB Controller intr pipes transaction processing | |
44 | \ See license at end of file | |
45 | ||
46 | hex | |
47 | headers | |
48 | ||
49 | \ XXX Need to implement periodic interrupt transactions | |
50 | ||
51 | d# 500 constant intr-in-timeout | |
52 | ||
53 | 0 instance value intr-in-pipe | |
54 | 0 instance value intr-in-interval | |
55 | ||
56 | 0 instance value intr-in-qh | |
57 | 0 instance value intr-in-qtd | |
58 | ||
59 | : intr-in-data@ ( -- n ) intr-in-pipe target di-in-data@ di-data>td-data ; | |
60 | : intr-in-data! ( n -- ) td-data>di-data intr-in-pipe target di-in-data! ; | |
61 | : toggle-intr-in-data ( -- ) intr-in-pipe target di-in-data-toggle ; | |
62 | : fixup-intr-in-data ( qh -- n ) | |
63 | usb-error USB_ERR_STALL and if | |
64 | drop intr-in-pipe h# 80 or unstall-pipe | |
65 | TD_TOGGLE_DATA0 | |
66 | else | |
67 | >hcqh-overlay >hcqtd-token le-l@ | |
68 | then | |
69 | intr-in-data! | |
70 | ; | |
71 | ||
72 | : process-intr-args ( buf len pipe timeout -- ) process-bulk-args ; | |
73 | : alloc-intr-qhqtds ( -- qh qtd ) alloc-bulk-qhqtds ; | |
74 | : fill-intr-io-qtds ( dir qtd -- ) | |
75 | my-#qtds 0 do ( dir qtd ) | |
76 | my-buf my-buf-phys /my-buf 3 pick fill-qtd-bptrs | |
77 | ( dir qtd /bptr ) | |
78 | 2 pick over d# 16 << or ( dir qtd /bptr token ) | |
79 | TD_C_ERR3 or TD_STAT_ACTIVE or ( dir qtd /bptr token' ) | |
80 | intr-in-data@ toggle-intr-in-data or ( dir qtd /bptr token' ) | |
81 | 2 pick >hcqtd-token le-l! ( dir qtd /bptr ) | |
82 | my-buf++ ( dir qtd ) | |
83 | dup fixup-last-qtd ( dir qtd ) | |
84 | >qtd-next l@ ( dir qtd' ) | |
85 | loop 2drop ( ) | |
86 | ; | |
87 | ||
88 | external | |
89 | ||
90 | : begin-intr-in ( buf len pipe interval -- ) | |
91 | debug? if ." begin-intr-in" cr then | |
92 | intr-in-qh if 4drop exit then \ Already started | |
93 | ||
94 | to intr-in-interval | |
95 | dup to intr-in-pipe | |
96 | intr-in-timeout process-intr-args | |
97 | alloc-intr-qhqtds to intr-in-qtd to intr-in-qh | |
98 | ||
99 | \ IN qTDs | |
100 | TD_PID_IN intr-in-qtd fill-intr-io-qtds | |
101 | ||
102 | \ Start intr in transaction | |
103 | intr-in-qh pt-intr fill-qh | |
104 | intr-in-qh my-speed intr-in-interval insert-intr-qh | |
105 | ; | |
106 | ||
107 | : intr-in? ( -- actual usberr ) | |
108 | intr-in-qh 0= if 0 USB_ERR_INV_OP exit then | |
109 | clear-usb-error | |
110 | process-hc-status | |
111 | intr-in-qh dup sync-qhqtds | |
112 | qh-done? if | |
113 | intr-in-qh error? if | |
114 | 0 | |
115 | else | |
116 | intr-in-qtd dup intr-in-qh >qh-#qtds l@ get-actual | |
117 | over >qtd-buf rot >qtd-pbuf l@ 2 pick dma-sync | |
118 | then | |
119 | usb-error | |
120 | intr-in-qh fixup-intr-in-data | |
121 | else | |
122 | 0 usb-error | |
123 | then | |
124 | ; | |
125 | ||
126 | headers | |
127 | : restart-intr-in-qtd ( qtd -- ) | |
128 | begin ?dup while | |
129 | dup >hcqtd-bptr0 dup le-l@ h# ffff.f000 and swap le-l! | |
130 | dup >qtd-/buf l@ d# 16 << | |
131 | TD_STAT_ACTIVE or TD_C_ERR3 or TD_PID_IN or | |
132 | intr-in-data@ or | |
133 | over >hcqtd-token le-l! | |
134 | >qtd-next l@ | |
135 | repeat | |
136 | ; | |
137 | ||
138 | external | |
139 | : restart-intr-in ( -- ) | |
140 | intr-in-qh 0= if exit then | |
141 | ||
142 | \ Setup qTD again | |
143 | intr-in-qtd restart-intr-in-qtd | |
144 | ||
145 | \ Setup QH again | |
146 | intr-in-qh >hcqh-endp-char dup le-l@ QH_TD_TOGGLE invert and swap le-l! | |
147 | intr-in-qtd >qtd-phys l@ intr-in-qh >hcqh-overlay >hcqtd-next le-l! | |
148 | intr-in-qh sync-qhqtds | |
149 | ; | |
150 | ||
151 | : end-intr-in ( -- ) | |
152 | debug? if ." end-intr-in" cr then | |
153 | intr-in-qh 0= if exit then | |
154 | intr-in-qh dup fixup-intr-in-data | |
155 | intr-in-qtd map-out-bptrs | |
156 | dup remove-intr-qh free-qhqtds | |
157 | 0 to intr-in-qh 0 to intr-in-qtd | |
158 | ; | |
159 | ||
160 | headers | |
161 | ||
162 | : (end-extra) ( -- ) (end-extra) end-intr-in ; | |
163 | ' (end-extra) to end-extra | |
164 | ||
165 | ||
166 | \ LICENSE_BEGIN | |
167 | \ Copyright (c) 2006 FirmWorks | |
168 | \ | |
169 | \ Permission is hereby granted, free of charge, to any person obtaining | |
170 | \ a copy of this software and associated documentation files (the | |
171 | \ "Software"), to deal in the Software without restriction, including | |
172 | \ without limitation the rights to use, copy, modify, merge, publish, | |
173 | \ distribute, sublicense, and/or sell copies of the Software, and to | |
174 | \ permit persons to whom the Software is furnished to do so, subject to | |
175 | \ the following conditions: | |
176 | \ | |
177 | \ The above copyright notice and this permission notice shall be | |
178 | \ included in all copies or substantial portions of the Software. | |
179 | \ | |
180 | \ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
181 | \ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
182 | \ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
183 | \ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | |
184 | \ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
185 | \ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
186 | \ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
187 | \ | |
188 | \ LICENSE_END |