Rev 2434 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
7 | |||
593 | mikedld | 8 | $Revision: 2465 $ |
9 | |||
10 | |||
261 | hidnplayr | 11 | ;; Copyright (c) 2004, Endre Kozma |
12 | ;; All rights reserved. |
||
13 | ;; |
||
14 | ;; Redistribution and use in source and binary forms, with or without |
||
15 | ;; modification, are permitted provided that the following conditions are |
||
16 | ;; met: |
||
17 | ;; |
||
18 | ;; 1. Redistributions of source code must retain the above copyright notice, |
||
19 | ;; this list of conditions and the following disclaimer. |
||
20 | ;; |
||
21 | ;; 2. Redistributions in binary form must reproduce the above copyright |
||
22 | ;; notice, this list of conditions and the following disclaimer in the |
||
23 | ;; documentation and/or other materials provided with the distribution. |
||
24 | ;; |
||
25 | ;; 3. The name of the author may not be used to endorse or promote products |
||
26 | ;; derived from this software without specific prior written permission. |
||
27 | ;; |
||
28 | ;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
29 | ;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
30 | ;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
31 | ;; IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
32 | ;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
33 | ;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
34 | ;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
35 | ;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
36 | ;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
37 | ;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
38 | |||
39 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
40 | ;; ;; |
||
41 | ;; 3C59X.INC ;; |
||
42 | ;; ;; |
||
43 | ;; Ethernet driver for Menuet OS ;; |
||
44 | ;; ;; |
||
45 | ;; Driver for 3Com fast etherlink 3c59x and ;; |
||
46 | ;; etherlink XL 3c900 and 3c905 cards ;; |
||
47 | ;; References: ;; |
||
48 | ;; www.3Com.com - data sheets ;; |
||
49 | ;; DP83840A.pdf - ethernet physical layer ;; |
||
50 | ;; 3c59x.c - linux driver ;; |
||
51 | ;; ethernet driver template by Mike Hibbett ;; |
||
52 | ;; ;; |
||
53 | ;; Credits ;; |
||
54 | ;; Mike Hibbett, ;; |
||
55 | ;; who kindly supplied me with a 3Com905C-TX-M card ;; |
||
56 | ;; ;; |
||
57 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
58 | ;; History |
||
59 | ;; ======= |
||
60 | ;; $Log: 3C59X.INC,v $ |
||
61 | ;; Revision 1.3 2004/07/11 12:21:12 kozma |
||
62 | ;; Support of vortex chips (3c59x) added. |
||
63 | ;; Support of 3c920 and 3c982 added. |
||
64 | ;; Corrections. |
||
65 | ;; |
||
66 | ;; Revision 1.2 2004/06/12 19:40:20 kozma |
||
67 | ;; Function e3c59x_set_available_media added in order to set |
||
68 | ;; the default media in case auto detection finds no valid link. |
||
69 | ;; Incorrect mii check removed (3c900 Cyclone works now). |
||
70 | ;; Cleanups. |
||
71 | ;; |
||
72 | ;; Revision 1.1 2004/06/12 18:27:15 kozma |
||
73 | ;; Initial revision |
||
74 | ;; |
||
75 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
76 | |||
77 | ; comment the next line out if you don't want debug info printed |
||
78 | ; on the debug board. This option adds a lot of bytes to the driver |
||
79 | ; so it's worth to comment it out. |
||
80 | ; E3C59X_DEBUG equ 1 |
||
81 | |||
82 | ; forcing full duplex mode makes sense at some cards and link types |
||
2434 | Serge | 83 | E3C59X_FORCE_FD equ 1 |
261 | hidnplayr | 84 | |
85 | macro virt_to_dma reg |
||
86 | { |
||
2434 | Serge | 87 | sub reg, OS_BASE |
261 | hidnplayr | 88 | } |
89 | |||
90 | macro dma_to_virt reg |
||
91 | { |
||
2434 | Serge | 92 | add reg, OS_BASE |
261 | hidnplayr | 93 | } |
94 | |||
95 | macro zero_to_virt reg |
||
96 | { |
||
1280 | hidnplayr | 97 | |
261 | hidnplayr | 98 | } |
99 | |||
100 | macro virt_to_zero reg |
||
101 | { |
||
1280 | hidnplayr | 102 | |
261 | hidnplayr | 103 | } |
104 | |||
105 | macro zero_to_dma reg |
||
106 | { |
||
2434 | Serge | 107 | sub reg, OS_BASE |
261 | hidnplayr | 108 | } |
109 | |||
110 | macro dma_to_zero reg |
||
111 | { |
||
2434 | Serge | 112 | add reg, OS_BASE |
261 | hidnplayr | 113 | } |
114 | |||
115 | macro strtbl name, [string] |
||
116 | { |
||
117 | common |
||
2434 | Serge | 118 | label name dword |
261 | hidnplayr | 119 | forward |
2434 | Serge | 120 | local label |
121 | dd label |
||
261 | hidnplayr | 122 | forward |
2434 | Serge | 123 | label db string, 0 |
261 | hidnplayr | 124 | } |
125 | |||
126 | ; Ethernet frame symbols |
||
2434 | Serge | 127 | ETH_ALEN equ 6 |
128 | ETH_HLEN equ (2*ETH_ALEN+2) |
||
129 | ETH_ZLEN equ 60 ; 60 + 4bytes auto payload for |
||
130 | ; mininmum 64bytes frame length |
||
261 | hidnplayr | 131 | ; PCI programming |
2434 | Serge | 132 | PCI_REG_COMMAND equ 0x4 ; command register |
133 | PCI_REG_STATUS equ 0x6 ; status register |
||
134 | PCI_REG_LATENCY equ 0xd ; latency timer register |
||
135 | PCI_REG_CAP_PTR equ 0x34 ; capabilities pointer |
||
136 | PCI_REG_CAPABILITY_ID equ 0x0 ; capapility ID in pm register block |
||
137 | PCI_REG_PM_STATUS equ 0x4 ; power management status register |
||
138 | PCI_REG_PM_CTRL equ 0x4 ; power management control register |
||
139 | PCI_BIT_PIO equ 0 ; bit0: io space control |
||
140 | PCI_BIT_MMIO equ 1 ; bit1: memory space control |
||
141 | PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master |
||
261 | hidnplayr | 142 | ; Registers |
2434 | Serge | 143 | E3C59X_REG_POWER_MGMT_CTRL equ 0x7c |
144 | E3C59X_REG_UP_LIST_PTR equ 0x38 |
||
145 | E3C59X_REG_UP_PKT_STATUS equ 0x30 |
||
146 | E3C59X_REG_TX_FREE_THRESH equ 0x2f |
||
147 | E3C59X_REG_DN_LIST_PTR equ 0x24 |
||
148 | E3C59X_REG_DMA_CTRL equ 0x20 |
||
149 | E3C59X_REG_TX_STATUS equ 0x1b |
||
150 | E3C59X_REG_RX_STATUS equ 0x18 |
||
151 | E3C59X_REG_TX_DATA equ 0x10 |
||
261 | hidnplayr | 152 | ; Common window registers |
2434 | Serge | 153 | E3C59X_REG_INT_STATUS equ 0xe |
154 | E3C59X_REG_COMMAND equ 0xe |
||
261 | hidnplayr | 155 | ; Register window 7 |
2434 | Serge | 156 | E3C59X_REG_MASTER_STATUS equ 0xc |
157 | E3C59X_REG_POWER_MGMT_EVENT equ 0xc |
||
158 | E3C59X_REG_MASTER_LEN equ 0x6 |
||
159 | E3C59X_REG_VLAN_ETHER_TYPE equ 0x4 |
||
160 | E3C59X_REG_VLAN_MASK equ 0x0 |
||
161 | E3C59X_REG_MASTER_ADDRESS equ 0x0 |
||
261 | hidnplayr | 162 | ; Register window 6 |
2434 | Serge | 163 | E3C59X_REG_BYTES_XMITTED_OK equ 0xc |
164 | E3C59X_REG_BYTES_RCVD_OK equ 0xa |
||
165 | E3C59X_REG_UPPER_FRAMES_OK equ 0x9 |
||
166 | E3C59X_REG_FRAMES_DEFERRED equ 0x8 |
||
167 | E3C59X_REG_FRAMES_RCVD_OK equ 0x7 |
||
168 | E3C59X_REG_FRAMES_XMITTED_OK equ 0x6 |
||
169 | E3C59X_REG_RX_OVERRUNS equ 0x5 |
||
170 | E3C59X_REG_LATE_COLLISIONS equ 0x4 |
||
171 | E3C59X_REG_SINGLE_COLLISIONS equ 0x3 |
||
172 | E3C59X_REG_MULTIPLE_COLLISIONS equ 0x2 |
||
173 | E3C59X_REG_SQE_ERRORS equ 0x1 |
||
174 | E3C59X_REG_CARRIER_LOST equ 0x0 |
||
261 | hidnplayr | 175 | ; Register window 5 |
2434 | Serge | 176 | E3C59X_REG_INDICATION_ENABLE equ 0xc |
177 | E3C59X_REG_INTERRUPT_ENABLE equ 0xa |
||
178 | E3C59X_REG_TX_RECLAIM_THRESH equ 0x9 |
||
179 | E3C59X_REG_RX_FILTER equ 0x8 |
||
180 | E3C59X_REG_RX_EARLY_THRESH equ 0x6 |
||
181 | E3C59X_REG_TX_START_THRESH equ 0x0 |
||
261 | hidnplayr | 182 | ; Register window 4 |
2434 | Serge | 183 | E3C59X_REG_UPPER_BYTES_OK equ 0xe |
184 | E3C59X_REG_BAD_SSD equ 0xc |
||
185 | E3C59X_REG_MEDIA_STATUS equ 0xa |
||
186 | E3C59X_REG_PHYSICAL_MGMT equ 0x8 |
||
187 | E3C59X_REG_NETWORK_DIAGNOSTIC equ 0x6 |
||
188 | E3C59X_REG_FIFO_DIAGNOSTIC equ 0x4 |
||
189 | E3C59X_REG_VCO_DIAGNOSTIC equ 0x2 ; may not supported |
||
261 | hidnplayr | 190 | ; Bits in register window 4 |
2434 | Serge | 191 | E3C59X_BIT_AUTOSELECT equ 24 |
261 | hidnplayr | 192 | ; Register window 3 |
2434 | Serge | 193 | E3C59X_REG_TX_FREE equ 0xc |
194 | E3C59X_REG_RX_FREE equ 0xa |
||
195 | E3C59X_REG_MEDIA_OPTIONS equ 0x8 |
||
196 | E3C59X_REG_MAC_CONTROL equ 0x6 |
||
197 | E3C59X_REG_MAX_PKT_SIZE equ 0x4 |
||
198 | E3C59X_REG_INTERNAL_CONFIG equ 0x0 |
||
261 | hidnplayr | 199 | ; Register window 2 |
2434 | Serge | 200 | E3C59X_REG_RESET_OPTIONS equ 0xc |
201 | E3C59X_REG_STATION_MASK_HI equ 0xa |
||
202 | E3C59X_REG_STATION_MASK_MID equ 0x8 |
||
203 | E3C59X_REG_STATION_MASK_LO equ 0x6 |
||
204 | E3C59X_REG_STATION_ADDRESS_HI equ 0x4 |
||
205 | E3C59X_REG_STATION_ADDRESS_MID equ 0x2 |
||
206 | E3C59X_REG_STATION_ADDRESS_LO equ 0x0 |
||
261 | hidnplayr | 207 | ; Register window 1 |
2434 | Serge | 208 | E3C59X_REG_TRIGGER_BITS equ 0xc |
209 | E3C59X_REG_SOS_BITS equ 0xa |
||
210 | E3C59X_REG_WAKE_ON_TIMER equ 0x8 |
||
211 | E3C59X_REG_SMB_RXBYTES equ 0x7 |
||
212 | E3C59X_REG_SMB_DIAG equ 0x5 |
||
213 | E3C59X_REG_SMB_ARB equ 0x4 |
||
214 | E3C59X_REG_SMB_STATUS equ 0x2 |
||
215 | E3C59X_REG_SMB_ADDRESS equ 0x1 |
||
216 | E3C59X_REG_SMB_FIFO_DATA equ 0x0 |
||
261 | hidnplayr | 217 | ; Register window 0 |
2434 | Serge | 218 | E3C59X_REG_EEPROM_DATA equ 0xc |
219 | E3C59X_REG_EEPROM_COMMAND equ 0xa |
||
220 | E3C59X_REG_BIOS_ROM_DATA equ 0x8 |
||
221 | E3C59X_REG_BIOS_ROM_ADDR equ 0x4 |
||
261 | hidnplayr | 222 | ; Physical management bits |
2434 | Serge | 223 | E3C59X_BIT_MGMT_DIR equ 2 ; drive with the data written in mgmtData |
224 | E3C59X_BIT_MGMT_DATA equ 1 ; MII management data bit |
||
225 | E3C59X_BIT_MGMT_CLK equ 0 ; MII management clock |
||
261 | hidnplayr | 226 | ; MII commands |
2434 | Serge | 227 | E3C59X_MII_CMD_MASK equ (1111b shl 10) |
228 | E3C59X_MII_CMD_READ equ (0110b shl 10) |
||
229 | E3C59X_MII_CMD_WRITE equ (0101b shl 10) |
||
261 | hidnplayr | 230 | ; MII registers |
2434 | Serge | 231 | E3C59X_REG_MII_BMCR equ 0 ; basic mode control register |
232 | E3C59X_REG_MII_BMSR equ 1 ; basic mode status register |
||
233 | E3C59X_REG_MII_ANAR equ 4 ; auto negotiation advertisement register |
||
234 | E3C59X_REG_MII_ANLPAR equ 5 ; auto negotiation link partner ability register |
||
235 | E3C59X_REG_MII_ANER equ 6 ; auto negotiation expansion register |
||
261 | hidnplayr | 236 | ; MII bits |
2434 | Serge | 237 | E3C59X_BIT_MII_AUTONEG_COMPLETE equ 5 ; auto-negotiation complete |
238 | E3C59X_BIT_MII_PREAMBLE_SUPPRESSION equ 6 |
||
261 | hidnplayr | 239 | ; eeprom bits and commands |
2434 | Serge | 240 | E3C59X_EEPROM_CMD_READ equ 0x80 |
241 | E3C59X_EEPROM_BIT_BUSY equ 15 |
||
261 | hidnplayr | 242 | ; eeprom registers |
2434 | Serge | 243 | E3C59X_EEPROM_REG_OEM_NODE_ADDR equ 0xa |
244 | E3C59X_EEPROM_REG_CAPABILITIES equ 0x10 |
||
261 | hidnplayr | 245 | ; Commands for command register |
2434 | Serge | 246 | E3C59X_SELECT_REGISTER_WINDOW equ (1 shl 11) |
261 | hidnplayr | 247 | |
2434 | Serge | 248 | IS_VORTEX equ 0x1 |
249 | IS_BOOMERANG equ 0x2 |
||
250 | IS_CYCLONE equ 0x4 |
||
251 | IS_TORNADO equ 0x8 |
||
252 | EEPROM_8BIT equ 0x10 |
||
253 | HAS_PWR_CTRL equ 0x20 |
||
254 | HAS_MII equ 0x40 |
||
255 | HAS_NWAY equ 0x80 |
||
256 | HAS_CB_FNS equ 0x100 |
||
257 | INVERT_MII_PWR equ 0x200 |
||
258 | INVERT_LED_PWR equ 0x400 |
||
259 | MAX_COLLISION_RESET equ 0x800 |
||
260 | EEPROM_OFFSET equ 0x1000 |
||
261 | HAS_HWCKSM equ 0x2000 |
||
262 | EXTRA_PREAMBLE equ 0x4000 |
||
261 | hidnplayr | 263 | |
264 | iglobal |
||
2434 | Serge | 265 | align 4 |
261 | hidnplayr | 266 | e3c59x_hw_versions: |
2434 | Serge | 267 | dw 0x5900, IS_VORTEX ; 3c590 Vortex 10Mbps |
268 | dw 0x5920, IS_VORTEX ; 3c592 EISA 10Mbps Demon/Vortex |
||
269 | dw 0x5970, IS_VORTEX ; 3c597 EISA Fast Demon/Vortex |
||
270 | dw 0x5950, IS_VORTEX ; 3c595 Vortex 100baseTx |
||
271 | dw 0x5951, IS_VORTEX ; 3c595 Vortex 100baseT4 |
||
272 | dw 0x5952, IS_VORTEX ; 3c595 Vortex 100base-MII |
||
273 | dw 0x9000, IS_BOOMERANG ; 3c900 Boomerang 10baseT |
||
274 | dw 0x9001, IS_BOOMERANG ; 3c900 Boomerang 10Mbps Combo |
||
275 | dw 0x9004, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c900 Cyclone 10Mbps TPO |
||
276 | dw 0x9005, IS_CYCLONE or HAS_HWCKSM ; 3c900 Cyclone 10Mbps Combo |
||
277 | dw 0x9006, IS_CYCLONE or HAS_HWCKSM ; 3c900 Cyclone 10Mbps TPC |
||
278 | dw 0x900A, IS_CYCLONE or HAS_HWCKSM ; 3c900B-FL Cyclone 10base-FL |
||
279 | dw 0x9050, IS_BOOMERANG or HAS_MII ; 3c905 Boomerang 100baseTx |
||
280 | dw 0x9051, IS_BOOMERANG or HAS_MII ; 3c905 Boomerang 100baseT4 |
||
281 | dw 0x9055, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM or EXTRA_PREAMBLE ; 3c905B Cyclone 100baseTx |
||
282 | dw 0x9058, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c905B Cyclone 10/100/BNC |
||
283 | dw 0x905A, IS_CYCLONE or HAS_HWCKSM ; 3c905B-FX Cyclone 100baseFx |
||
284 | dw 0x9200, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c905C Tornado |
||
285 | dw 0x9800, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c980 Cyclone |
||
286 | dw 0x9805, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c982 Dual Port Server Cyclone |
||
287 | dw 0x7646, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3cSOHO100-TX Hurricane |
||
288 | dw 0x5055, IS_CYCLONE or EEPROM_8BIT or HAS_HWCKSM ; 3c555 Laptop Hurricane |
||
289 | dw 0x6055, IS_TORNADO or HAS_NWAY or EEPROM_8BIT or HAS_CB_FNS \ |
||
290 | or INVERT_MII_PWR or HAS_HWCKSM ; 3c556 Laptop Tornado |
||
291 | dw 0x6056, IS_TORNADO or HAS_NWAY or EEPROM_OFFSET or HAS_CB_FNS \ |
||
292 | or INVERT_MII_PWR or HAS_HWCKSM ; 3c556B Laptop Hurricane |
||
293 | dw 0x5b57, IS_BOOMERANG or HAS_MII or EEPROM_8BIT ; 3c575 [Megahertz] 10/100 LAN CardBus |
||
294 | dw 0x5057, IS_BOOMERANG or HAS_MII or EEPROM_8BIT ; 3c575 Boomerang CardBus |
||
295 | dw 0x5157, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT \ |
||
296 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFE575BT Cyclone CardBus |
||
297 | dw 0x5257, IS_TORNADO or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
||
298 | or MAX_COLLISION_RESET or HAS_HWCKSM ; 3CCFE575CT Tornado CardBus |
||
299 | dw 0x6560, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
||
300 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFE656 Cyclone CardBus |
||
301 | dw 0x6562, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
||
302 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFEM656B Cyclone+Winmodem CardBus |
||
303 | dw 0x6564, IS_TORNADO or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
||
304 | or MAX_COLLISION_RESET or HAS_HWCKSM ; 3CXFEM656C Tornado+Winmodem CardBus |
||
305 | dw 0x4500, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c450 HomePNA Tornado |
||
306 | dw 0x9201, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c920 Tornado |
||
307 | dw 0x1201, IS_TORNADO or HAS_HWCKSM or HAS_NWAY ; 3c982 Hydra Dual Port A |
||
308 | dw 0x1202, IS_TORNADO or HAS_HWCKSM or HAS_NWAY ; 3c982 Hydra Dual Port B |
||
309 | dw 0x9056, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM or EXTRA_PREAMBLE ; 3c905B-T4 |
||
310 | dw 0x9210, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c920B-EMB-WNM Tornado |
||
261 | hidnplayr | 311 | E3C59X_HW_VERSIONS_SIZE= $-e3c59x_hw_versions |
312 | endg |
||
313 | |||
314 | ; RX/TX buffers sizes |
||
2434 | Serge | 315 | E3C59X_MAX_ETH_PKT_SIZE equ 1536 ; max packet size |
316 | E3C59X_NUM_RX_DESC equ 4 ; a power of 2 number |
||
317 | E3C59X_NUM_TX_DESC equ 4 ; a power of 2 number |
||
318 | E3C59X_RX_BUFFER_SIZE equ (E3C59X_MAX_ETH_FRAME_SIZE*E3C59X_NUM_RX_DESC) |
||
319 | E3C59X_TX_BUFFER_SIZE equ (E3C59X_MAX_ETH_FRAME_SIZE*E3C59X_NUM_TX_DESC) |
||
261 | hidnplayr | 320 | ; Download Packet Descriptor |
2434 | Serge | 321 | E3C59X_DPD_DN_NEXT_PTR equ 0 |
322 | E3C59X_DPD_FRAME_START_HDR equ 4 |
||
323 | E3C59X_DPD_DN_FRAG_ADDR equ 8 ; for packet data |
||
324 | E3C59X_DPD_DN_FRAG_LEN equ 12 ; for packet data |
||
325 | E3C59X_DPD_SIZE equ 16 ; a power of 2 number |
||
261 | hidnplayr | 326 | ; Upload Packet Descriptor |
2434 | Serge | 327 | E3C59X_UPD_UP_NEXT_PTR equ 0 |
328 | E3C59X_UPD_PKT_STATUS equ 4 |
||
329 | E3C59X_UPD_UP_FRAG_ADDR equ 8 ; for packet data |
||
330 | E3C59X_UPD_UP_FRAG_LEN equ 12 ; for packet data |
||
331 | E3C59X_UPD_SIZE equ 16 |
||
261 | hidnplayr | 332 | |
333 | ; RX/TX buffers |
||
334 | if defined E3C59X_LINUX |
||
2434 | Serge | 335 | E3C59X_MAX_ETH_FRAME_SIZE = 160 ; size of ethernet frame + bytes alignment |
336 | e3c59x_rx_buff = 0 |
||
261 | hidnplayr | 337 | else |
2434 | Serge | 338 | E3C59X_MAX_ETH_FRAME_SIZE = 1520 ; size of ethernet frame + bytes alignment |
339 | e3c59x_rx_buff = eth_data_start |
||
261 | hidnplayr | 340 | end if |
341 | |||
2434 | Serge | 342 | e3c59x_tx_buff = e3c59x_rx_buff+E3C59X_RX_BUFFER_SIZE |
343 | e3c59x_dpd_buff = e3c59x_tx_buff+E3C59X_TX_BUFFER_SIZE |
||
344 | e3c59x_upd_buff = e3c59x_dpd_buff+(E3C59X_DPD_SIZE*E3C59X_NUM_TX_DESC) |
||
261 | hidnplayr | 345 | |
346 | uglobal |
||
2434 | Serge | 347 | e3c59x_curr_upd: |
348 | dd 0 |
||
349 | e3c59x_prev_dpd: |
||
350 | dd 0 |
||
351 | e3c59x_prev_tx_frame: |
||
352 | dd 0 |
||
353 | e3c59x_transmit_function: |
||
354 | dd 0 |
||
355 | e3c59x_receive_function: |
||
356 | dd 0 |
||
261 | hidnplayr | 357 | endg |
358 | |||
359 | iglobal |
||
2434 | Serge | 360 | e3c59x_ver_id: |
361 | db 17 |
||
261 | hidnplayr | 362 | endg |
1280 | hidnplayr | 363 | |
261 | hidnplayr | 364 | uglobal |
2434 | Serge | 365 | e3c59x_full_bus_master: |
366 | db 0 |
||
367 | e3c59x_has_hwcksm: |
||
368 | db 0 |
||
369 | e3c59x_preamble: |
||
370 | db 0 |
||
371 | e3c59x_dn_list_ptr_cleared: |
||
372 | db 0 |
||
373 | e3c59x_self_directed_packet: |
||
374 | rb 6 |
||
261 | hidnplayr | 375 | endg |
376 | |||
377 | if defined E3C59X_DEBUG |
||
2434 | Serge | 378 | e3c59x_hw_type_str: |
379 | db "Detected hardware type : ", 0 |
||
380 | e3c59x_device_str: |
||
381 | db "Device ID : 0x" |
||
382 | e3c59x_device_id_str: |
||
383 | db "ffff", 13, 10, 0 |
||
384 | e3c59x_vendor_str: |
||
385 | db "Vendor ID : 0x" |
||
386 | e3c59x_vendor_id_str: |
||
387 | db "ffff", 13, 10, 0 |
||
388 | e3c59x_io_info_str: |
||
389 | db "IO address : 0x" |
||
390 | e3c59x_io_addr_str: |
||
391 | db "ffff", 13, 10, 0 |
||
392 | e3c59x_mac_info_str: |
||
393 | db "MAC address : " |
||
394 | e3c59x_mac_addr_str: |
||
395 | db "ff:ff:ff:ff:ff:ff", 13, 10, 0 |
||
396 | e3c59x_boomerang_str: |
||
397 | db " (boomerang)", 13, 10, 0 |
||
398 | e3c59x_vortex_str: |
||
399 | db " (vortex)", 13, 10, 0 |
||
400 | e3c59x_link_type_str: |
||
401 | db "Established link type : ", 0 |
||
402 | e3c59x_new_line_str: |
||
403 | db 13, 10, 0 |
||
404 | e3c59x_link_type: |
||
405 | dd 0 |
||
261 | hidnplayr | 406 | |
2434 | Serge | 407 | e3c59x_charset: |
408 | db '0123456789abcdef' |
||
261 | hidnplayr | 409 | |
410 | strtbl e3c59x_link_str, \ |
||
2434 | Serge | 411 | "No valid link type detected", \ |
412 | "10BASE-T half duplex", \ |
||
413 | "10BASE-T full-duplex", \ |
||
414 | "100BASE-TX half duplex", \ |
||
415 | "100BASE-TX full duplex", \ |
||
416 | "100BASE-T4", \ |
||
417 | "100BASE-FX", \ |
||
418 | "10Mbps AUI", \ |
||
419 | "10Mbps COAX (BNC)", \ |
||
420 | "miiDevice - not supported" |
||
261 | hidnplayr | 421 | |
422 | strtbl e3c59x_hw_str, \ |
||
2434 | Serge | 423 | "3c590 Vortex 10Mbps", \ |
424 | "3c592 EISA 10Mbps Demon/Vortex", \ |
||
425 | "3c597 EISA Fast Demon/Vortex", \ |
||
426 | "3c595 Vortex 100baseTx", \ |
||
427 | "3c595 Vortex 100baseT4", \ |
||
428 | "3c595 Vortex 100base-MII", \ |
||
429 | "3c900 Boomerang 10baseT", \ |
||
430 | "3c900 Boomerang 10Mbps Combo", \ |
||
431 | "3c900 Cyclone 10Mbps TPO", \ |
||
432 | "3c900 Cyclone 10Mbps Combo", \ |
||
433 | "3c900 Cyclone 10Mbps TPC", \ |
||
434 | "3c900B-FL Cyclone 10base-FL", \ |
||
435 | "3c905 Boomerang 100baseTx", \ |
||
436 | "3c905 Boomerang 100baseT4", \ |
||
437 | "3c905B Cyclone 100baseTx", \ |
||
438 | "3c905B Cyclone 10/100/BNC", \ |
||
439 | "3c905B-FX Cyclone 100baseFx", \ |
||
440 | "3c905C Tornado", \ |
||
441 | "3c980 Cyclone", \ |
||
442 | "3c982 Dual Port Server Cyclone", \ |
||
443 | "3cSOHO100-TX Hurricane", \ |
||
444 | "3c555 Laptop Hurricane", \ |
||
445 | "3c556 Laptop Tornado", \ |
||
446 | "3c556B Laptop Hurricane", \ |
||
447 | "3c575 [Megahertz] 10/100 LAN CardBus", \ |
||
448 | "3c575 Boomerang CardBus", \ |
||
449 | "3CCFE575BT Cyclone CardBus", \ |
||
450 | "3CCFE575CT Tornado CardBus", \ |
||
451 | "3CCFE656 Cyclone CardBus", \ |
||
452 | "3CCFEM656B Cyclone+Winmodem CardBus", \ |
||
453 | "3CXFEM656C Tornado+Winmodem CardBus", \ |
||
454 | "3c450 HomePNA Tornado", \ |
||
455 | "3c920 Tornado", \ |
||
456 | "3c982 Hydra Dual Port A", \ |
||
457 | "3c982 Hydra Dual Port B", \ |
||
458 | "3c905B-T4", \ |
||
459 | "3c920B-EMB-WNM Tornado" |
||
261 | hidnplayr | 460 | |
461 | end if ; defined E3C59X_DEBUG |
||
462 | |||
463 | ;*************************************************************************** |
||
464 | ; Function |
||
465 | ; e3c59x_debug |
||
466 | ; Description |
||
467 | ; prints debug info to the debug board |
||
468 | ; Parameters |
||
469 | ; ebp - io_addr |
||
470 | ; Return value |
||
471 | ; Destroyed registers |
||
472 | ; eax, ebx, ecx, edx, edi, esi |
||
473 | ; |
||
474 | ;*************************************************************************** |
||
475 | if defined E3C59X_DEBUG |
||
2434 | Serge | 476 | align 4 |
261 | hidnplayr | 477 | e3c59x_debug: |
2434 | Serge | 478 | pushad |
261 | hidnplayr | 479 | ; print device type |
2434 | Serge | 480 | mov esi, e3c59x_hw_type_str |
481 | call sys_msg_board_str |
||
482 | movzx ecx, byte [e3c59x_ver_id] |
||
483 | mov esi, [e3c59x_hw_str+ecx*4] |
||
484 | call sys_msg_board_str |
||
485 | mov esi, e3c59x_boomerang_str |
||
486 | cmp dword [e3c59x_transmit_function], e3c59x_boomerang_transmit |
||
487 | jz .boomerang |
||
488 | mov esi, e3c59x_vortex_str |
||
261 | hidnplayr | 489 | .boomerang: |
2434 | Serge | 490 | call sys_msg_board_str |
261 | hidnplayr | 491 | ; print device/vendor |
2434 | Serge | 492 | mov ax, [pci_data+2] |
493 | mov cl, 2 |
||
494 | mov ebx, e3c59x_device_id_str |
||
495 | call e3c59x_print_hex |
||
496 | mov esi, e3c59x_device_str |
||
497 | call sys_msg_board_str |
||
498 | mov ax, [pci_data] |
||
499 | mov cl, 2 |
||
500 | mov ebx, e3c59x_vendor_id_str |
||
501 | call e3c59x_print_hex |
||
502 | mov esi, e3c59x_vendor_str |
||
503 | call sys_msg_board_str |
||
261 | hidnplayr | 504 | ; print io address |
2434 | Serge | 505 | mov ax, [io_addr] |
506 | mov ebx, e3c59x_io_addr_str |
||
507 | mov cl, 2 |
||
508 | call e3c59x_print_hex |
||
509 | mov esi, e3c59x_io_info_str |
||
510 | call sys_msg_board_str |
||
261 | hidnplayr | 511 | ; print MAC address |
2434 | Serge | 512 | mov ebx, e3c59x_mac_addr_str |
513 | xor ecx, ecx |
||
261 | hidnplayr | 514 | .mac_loop: |
2434 | Serge | 515 | push ecx |
516 | mov al, [node_addr+ecx] |
||
517 | mov cl, 1 |
||
518 | call e3c59x_print_hex |
||
519 | inc ebx |
||
520 | pop ecx |
||
521 | inc cl |
||
522 | cmp cl, 6 |
||
523 | jne .mac_loop |
||
524 | mov esi, e3c59x_mac_info_str |
||
525 | call sys_msg_board_str |
||
261 | hidnplayr | 526 | ; print link type |
2434 | Serge | 527 | mov esi, e3c59x_link_type_str |
528 | call sys_msg_board_str |
||
529 | xor eax, eax |
||
530 | bsr ax, word [e3c59x_link_type] |
||
531 | jz @f |
||
532 | sub ax, 4 |
||
261 | hidnplayr | 533 | @@: |
2434 | Serge | 534 | mov esi, [e3c59x_link_str+eax*4] |
535 | call sys_msg_board_str |
||
536 | mov esi, e3c59x_new_line_str |
||
537 | call sys_msg_board_str |
||
538 | popad |
||
539 | ret |
||
261 | hidnplayr | 540 | |
541 | ;*************************************************************************** |
||
542 | ; Function |
||
543 | ; e3c59x_print_hex |
||
544 | ; Description |
||
545 | ; prints a hexadecimal value |
||
546 | ; Parameters |
||
547 | ; eax - value to be printed out |
||
548 | ; ebx - where to print |
||
549 | ; cl - value size (1, 2, 4) |
||
550 | ; Return value |
||
551 | ; ebx - end address after the print |
||
552 | ; Destroyed registers |
||
553 | ; eax, ebx |
||
554 | ; |
||
555 | ;*************************************************************************** |
||
2434 | Serge | 556 | align 4 |
261 | hidnplayr | 557 | e3c59x_print_hex: |
2434 | Serge | 558 | cmp cl, 1 |
559 | je .print_byte |
||
560 | cmp cl, 2 |
||
561 | jz .print_word |
||
261 | hidnplayr | 562 | .print_dword: |
2434 | Serge | 563 | push eax |
564 | bswap eax |
||
565 | xchg ah, al |
||
566 | call .print_word |
||
567 | pop eax |
||
261 | hidnplayr | 568 | .print_word: |
2434 | Serge | 569 | push eax |
570 | xchg ah, al |
||
571 | call .print_byte |
||
572 | pop eax |
||
261 | hidnplayr | 573 | .print_byte: |
2434 | Serge | 574 | movzx eax, al |
575 | push eax |
||
576 | and al, 0xf0 |
||
577 | shr al, 4 |
||
578 | mov al, byte [eax+e3c59x_charset] |
||
579 | mov [ebx], al |
||
580 | inc ebx |
||
581 | pop eax |
||
582 | and al, 0x0f |
||
583 | mov al, byte [eax+e3c59x_charset] |
||
584 | mov [ebx], al |
||
585 | inc ebx |
||
586 | ret |
||
261 | hidnplayr | 587 | end if ; defined E3C59X_DEBUG |
588 | |||
589 | ;*************************************************************************** |
||
590 | ; Function |
||
591 | ; e3c59x_try_link_detect |
||
592 | ; Description |
||
593 | ; e3c59x_try_link_detect checks if link exists |
||
594 | ; Parameters |
||
595 | ; ebp - io_addr |
||
596 | ; Return value |
||
597 | ; al - 0 ; no link detected |
||
598 | ; al - 1 ; link detected |
||
599 | ; Destroyed registers |
||
600 | ; eax, ebx, ecx, edx, edi, esi |
||
601 | ; |
||
602 | ;*************************************************************************** |
||
2434 | Serge | 603 | align 4 |
261 | hidnplayr | 604 | e3c59x_try_link_detect: |
605 | ; download self-directed packet |
||
2434 | Serge | 606 | mov edi, node_addr |
607 | mov bx, 0x0608 ; packet type |
||
608 | mov esi, e3c59x_self_directed_packet |
||
609 | mov ecx, 6 ; 6 + 6 + 2 + 6 = 20 bytes |
||
610 | call dword [e3c59x_transmit_function] |
||
261 | hidnplayr | 611 | ; switch to register window 5 |
2434 | Serge | 612 | lea edx, [ebp+E3C59X_REG_COMMAND] |
613 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
614 | out dx, ax |
||
261 | hidnplayr | 615 | ; program RxFilter for promiscuous operation |
2434 | Serge | 616 | mov ax, (10000b shl 11) |
617 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
618 | in al, dx |
||
619 | or al, 1111b |
||
620 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
621 | out dx, ax |
||
261 | hidnplayr | 622 | ; switch to register window 4 |
2434 | Serge | 623 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
624 | out dx, ax |
||
261 | hidnplayr | 625 | ; check loop |
2434 | Serge | 626 | xor ebx, ebx |
627 | mov ecx, 0xffff ; 65535 tries |
||
261 | hidnplayr | 628 | .loop: |
2434 | Serge | 629 | push ecx ebx |
630 | call dword [e3c59x_receive_function] |
||
631 | pop ebx ecx |
||
632 | test al, al |
||
633 | jnz .finish |
||
261 | hidnplayr | 634 | .no_packet_received: |
635 | ; switch to register window 4 |
||
2434 | Serge | 636 | lea edx, [ebp+E3C59X_REG_COMMAND] |
637 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
638 | out dx, ax |
||
261 | hidnplayr | 639 | ; read linkbeatdetect |
2434 | Serge | 640 | lea edx, [ebp+E3C59X_REG_MEDIA_STATUS] |
641 | in ax, dx |
||
642 | test ah, 1000b ; test linkBeatDetect |
||
643 | jnz .link_detected |
||
644 | xor al, al |
||
645 | jmp .finish |
||
261 | hidnplayr | 646 | .link_detected: |
647 | ; test carrierSense |
||
2434 | Serge | 648 | test al, 100000b |
649 | jz .no_carrier_sense |
||
650 | inc ebx |
||
261 | hidnplayr | 651 | .no_carrier_sense: |
2434 | Serge | 652 | dec ecx |
653 | jns .loop |
||
261 | hidnplayr | 654 | ; assume the link is good if 0 < ebx < 25 % |
2434 | Serge | 655 | test ebx, ebx |
656 | setnz al |
||
657 | jz .finish |
||
658 | cmp ebx, 16384 ; 25% |
||
659 | setb al |
||
261 | hidnplayr | 660 | .finish: |
661 | if defined E3C59X_DEBUG |
||
2434 | Serge | 662 | test al, al |
663 | jz @f |
||
664 | or byte [e3c59x_link_type+1], 100b |
||
261 | hidnplayr | 665 | @@: |
666 | end if ; defined E3C59X_DEBUG |
||
2434 | Serge | 667 | ret |
261 | hidnplayr | 668 | |
669 | ;*************************************************************************** |
||
670 | ; Function |
||
671 | ; e3c59x_try_phy |
||
672 | ; Description |
||
673 | ; e3c59x_try_phy checks the auto-negotiation function |
||
674 | ; in the PHY at PHY index. It can also be extended to |
||
675 | ; include link detection for non-IEEE 802.3u |
||
676 | ; auto-negotiation devices, for instance the BCM5000. |
||
677 | ; Parameters |
||
678 | ; ah - PHY index |
||
679 | ; ebp - io_addr |
||
680 | ; Return value |
||
681 | ; al - 0 link is auto-negotiated |
||
682 | ; al - 1 no link is auto-negotiated |
||
683 | ; Destroyed registers |
||
684 | ; eax, ebx, ecx, edx, esi |
||
685 | ; |
||
686 | ;*************************************************************************** |
||
2434 | Serge | 687 | align 4 |
261 | hidnplayr | 688 | e3c59x_try_phy: |
2434 | Serge | 689 | mov al, E3C59X_REG_MII_BMCR |
690 | push eax |
||
691 | call e3c59x_mdio_read ; returns with window #4 |
||
692 | or ah, 0x80 ; software reset |
||
693 | mov ebx, eax |
||
694 | pop eax |
||
695 | push eax |
||
696 | call e3c59x_mdio_write ; returns with window #4 |
||
261 | hidnplayr | 697 | ; wait for reset to complete |
2434 | Serge | 698 | mov esi, 2000 ; 2000ms = 2s |
699 | call delay_ms |
||
700 | pop eax |
||
701 | push eax |
||
702 | call e3c59x_mdio_read ; returns with window #4 |
||
703 | test ah, 0x80 |
||
704 | jnz .fail_finish |
||
705 | pop eax |
||
706 | push eax |
||
261 | hidnplayr | 707 | ; wait for a while after reset |
2434 | Serge | 708 | mov esi, 20 ; 20ms |
709 | call delay_ms |
||
710 | pop eax |
||
711 | push eax |
||
712 | mov al, E3C59X_REG_MII_BMSR |
||
713 | call e3c59x_mdio_read ; returns with window #4 |
||
714 | test al, 1 ; extended capability supported? |
||
715 | jz .no_ext_cap |
||
261 | hidnplayr | 716 | ; auto-neg capable? |
2434 | Serge | 717 | test al, 1000b |
718 | jz .fail_finish ; not auto-negotiation capable |
||
261 | hidnplayr | 719 | ; auto-neg complete? |
2434 | Serge | 720 | test al, 100000b |
721 | jnz .auto_neg_ok |
||
261 | hidnplayr | 722 | ; restart auto-negotiation |
2434 | Serge | 723 | pop eax |
724 | push eax |
||
725 | mov al, E3C59X_REG_MII_ANAR |
||
726 | push eax |
||
727 | call e3c59x_mdio_read ; returns with window #4 |
||
728 | or ax, (1111b shl 5) ; advertise only 10base-T and 100base-TX |
||
729 | mov ebx, eax |
||
730 | pop eax |
||
731 | call e3c59x_mdio_write ; returns with window #4 |
||
732 | pop eax |
||
733 | push eax |
||
734 | call e3c59x_mdio_read ; returns with window #4 |
||
735 | mov ebx, eax |
||
736 | or bh, 10010b ; restart auto-negotiation |
||
737 | pop eax |
||
738 | push eax |
||
739 | call e3c59x_mdio_write ; returns with window #4 |
||
740 | mov esi, 4000 ; 4000ms = 4 seconds |
||
741 | call delay_ms |
||
742 | pop eax |
||
743 | push eax |
||
744 | mov al, E3C59X_REG_MII_BMSR |
||
745 | call e3c59x_mdio_read ; returns with window #4 |
||
746 | test al, 100000b ; auto-neg complete? |
||
747 | jnz .auto_neg_ok |
||
748 | jmp .fail_finish |
||
261 | hidnplayr | 749 | .auto_neg_ok: |
750 | ; compare advertisement and link partner ability registers |
||
2434 | Serge | 751 | pop eax |
752 | push eax |
||
753 | mov al, E3C59X_REG_MII_ANAR |
||
754 | call e3c59x_mdio_read ; returns with window #4 |
||
755 | xchg eax, [esp] |
||
756 | mov al, E3C59X_REG_MII_ANLPAR |
||
757 | call e3c59x_mdio_read ; returns with window #4 |
||
758 | pop ebx |
||
759 | and eax, ebx |
||
760 | and eax, 1111100000b |
||
761 | push eax |
||
261 | hidnplayr | 762 | if defined E3C59X_DEBUG |
2434 | Serge | 763 | mov word [e3c59x_link_type], ax |
261 | hidnplayr | 764 | end if ; defined E3C59X_DEBUG |
765 | ; switch to register window 3 |
||
2434 | Serge | 766 | lea edx, [ebp+E3C59X_REG_COMMAND] |
767 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
768 | out dx, ax |
||
261 | hidnplayr | 769 | ; set full-duplex mode |
2434 | Serge | 770 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
771 | in ax, dx |
||
772 | and ax, not 0x120 ; clear full duplex and flow control |
||
773 | pop ebx |
||
774 | test ebx, (1010b shl 5) ; check for full-duplex |
||
775 | jz .half_duplex |
||
776 | or ax, 0x120 ; set full duplex and flow control |
||
261 | hidnplayr | 777 | .half_duplex: |
2434 | Serge | 778 | out dx, ax |
779 | mov al, 1 |
||
780 | ret |
||
261 | hidnplayr | 781 | .no_ext_cap: |
782 | ; not yet implemented BCM5000 |
||
783 | .fail_finish: |
||
2434 | Serge | 784 | pop eax |
785 | xor al, al |
||
786 | ret |
||
261 | hidnplayr | 787 | |
788 | ;*************************************************************************** |
||
789 | ; Function |
||
790 | ; e3c59x_try_mii |
||
791 | ; Description |
||
792 | ; e3c59x_try_MII checks the on-chip auto-negotiation logic |
||
793 | ; or an off-chip MII PHY, depending upon what is set in |
||
794 | ; xcvrSelect by the caller. |
||
795 | ; It exits when it finds the first device with a good link. |
||
796 | ; Parameters |
||
797 | ; ebp - io_addr |
||
798 | ; Return value |
||
799 | ; al - 0 |
||
800 | ; al - 1 |
||
801 | ; Destroyed registers |
||
802 | ; eax, ebx, ecx, edx, esi |
||
803 | ; |
||
804 | ;*************************************************************************** |
||
2434 | Serge | 805 | align 4 |
261 | hidnplayr | 806 | e3c59x_try_mii: |
807 | ; switch to register window 3 |
||
2434 | Serge | 808 | lea edx, [ebp+E3C59X_REG_COMMAND] |
809 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
810 | out dx, ax |
||
811 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
812 | in eax, dx |
||
813 | and eax, (1111b shl 20) |
||
814 | cmp eax, (1000b shl 20) ; is auto-negotiation set? |
||
815 | jne .mii_device |
||
261 | hidnplayr | 816 | ; auto-negotiation is set |
817 | ; switch to register window 4 |
||
2434 | Serge | 818 | lea edx, [ebp+E3C59X_REG_COMMAND] |
819 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
820 | out dx, ax |
||
261 | hidnplayr | 821 | ; PHY==24 is the on-chip auto-negotiation logic |
822 | ; it supports only 10base-T and 100base-TX |
||
2434 | Serge | 823 | mov ah, 24 |
824 | call e3c59x_try_phy |
||
825 | test al, al |
||
826 | jz .fail_finish |
||
827 | mov cl, 24 |
||
828 | jmp .check_preamble |
||
261 | hidnplayr | 829 | .mii_device: |
2434 | Serge | 830 | cmp eax, (0110b shl 20) |
831 | jne .fail_finish |
||
832 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
833 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
834 | out dx, ax |
||
835 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
836 | in ax, dx |
||
837 | and al, (1 shl E3C59X_BIT_MGMT_DIR) or (1 shl E3C59X_BIT_MGMT_DATA) |
||
838 | cmp al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
839 | je .serch_for_phy |
||
840 | xor al, al |
||
841 | ret |
||
261 | hidnplayr | 842 | .serch_for_phy: |
843 | ; search for PHY |
||
2434 | Serge | 844 | mov cl, 31 |
261 | hidnplayr | 845 | .search_phy_loop: |
2434 | Serge | 846 | cmp cl, 24 |
847 | je .next_phy |
||
848 | mov ah, cl ; ah = phy |
||
849 | mov al, E3C59X_REG_MII_BMCR ; al = Basic Mode Status Register |
||
850 | push ecx |
||
851 | call e3c59x_mdio_read |
||
852 | pop ecx |
||
853 | test ax, ax |
||
854 | jz .next_phy |
||
855 | cmp ax, 0xffff |
||
856 | je .next_phy |
||
857 | mov ah, cl ; ah = phy |
||
858 | push ecx |
||
859 | call e3c59x_try_phy |
||
860 | pop ecx |
||
861 | test al, al |
||
862 | jnz .check_preamble |
||
261 | hidnplayr | 863 | .next_phy: |
2434 | Serge | 864 | dec cl |
865 | jns .search_phy_loop |
||
261 | hidnplayr | 866 | .fail_finish: |
2434 | Serge | 867 | xor al, al |
868 | ret |
||
261 | hidnplayr | 869 | ; epilog |
870 | .check_preamble: |
||
2434 | Serge | 871 | push eax ; eax contains the return value of e3c59x_try_phy |
261 | hidnplayr | 872 | ; check hard coded preamble forcing |
2434 | Serge | 873 | movzx eax, byte [e3c59x_ver_id] |
874 | test word [eax*4+e3c59x_hw_versions+2], EXTRA_PREAMBLE |
||
875 | setnz [e3c59x_preamble] ; force preamble |
||
876 | jnz .finish |
||
261 | hidnplayr | 877 | ; check mii for preamble suppression |
2434 | Serge | 878 | mov ah, cl |
879 | mov al, E3C59X_REG_MII_BMSR |
||
880 | call e3c59x_mdio_read |
||
881 | test al, 1000000b ; preamble suppression? |
||
882 | setz [e3c59x_preamble] ; no |
||
261 | hidnplayr | 883 | .finish: |
2434 | Serge | 884 | pop eax |
885 | ret |
||
261 | hidnplayr | 886 | |
887 | ;*************************************************************************** |
||
888 | ; Function |
||
889 | ; e3c59x_test_packet |
||
890 | ; Description |
||
891 | ; e3c59x_try_loopback try a loopback packet for 10BASE2 or AUI port |
||
892 | ; Parameters |
||
893 | ; ebp - io_addr |
||
894 | ; Return value |
||
895 | ; al - 0 |
||
896 | ; al - 1 |
||
897 | ; Destroyed registers |
||
898 | ; eax, ebx, ecx, edx, edi, esi |
||
899 | ; |
||
900 | ;*************************************************************************** |
||
2434 | Serge | 901 | align 4 |
261 | hidnplayr | 902 | e3c59x_test_packet: |
903 | ; switch to register window 3 |
||
2434 | Serge | 904 | lea edx, [ebp+E3C59X_REG_COMMAND] |
905 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
906 | out dx, ax |
||
261 | hidnplayr | 907 | ; set fullDuplexEnable in MacControl register |
2434 | Serge | 908 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
909 | in ax, dx |
||
910 | or ax, 0x120 |
||
911 | out dx, ax |
||
261 | hidnplayr | 912 | ; switch to register window 5 |
2434 | Serge | 913 | lea edx, [ebp+E3C59X_REG_COMMAND] |
914 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
915 | out dx, ax |
||
261 | hidnplayr | 916 | ; set RxFilter to enable individual address matches |
2434 | Serge | 917 | mov ax, (10000b shl 11) |
918 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
919 | in al, dx |
||
920 | or al, 1 |
||
921 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
922 | out dx, ax |
||
261 | hidnplayr | 923 | ; issue RxEnable and TxEnable |
2434 | Serge | 924 | call e3c59x_rx_reset |
925 | call e3c59x_tx_reset |
||
261 | hidnplayr | 926 | ; download a self-directed test packet |
2434 | Serge | 927 | mov edi, node_addr |
928 | mov bx, 0x0608 ; packet type |
||
929 | mov esi, e3c59x_self_directed_packet |
||
930 | mov ecx, 6 ; 6 + 6 + 2 + 6 = 20 bytes |
||
931 | call dword [e3c59x_transmit_function] |
||
261 | hidnplayr | 932 | ; wait for 2s |
2434 | Serge | 933 | mov esi, 2000 ; 2000ms = 2s |
934 | call delay_ms |
||
261 | hidnplayr | 935 | ; check if self-directed packet is received |
2434 | Serge | 936 | call dword [e3c59x_receive_function] |
937 | test al, al |
||
938 | jnz .finish |
||
261 | hidnplayr | 939 | ; switch to register window 3 |
2434 | Serge | 940 | lea edx, [ebp+E3C59X_REG_COMMAND] |
941 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
942 | out dx, ax |
||
261 | hidnplayr | 943 | ; clear fullDuplexEnable in MacControl register |
2434 | Serge | 944 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
945 | in ax, dx |
||
946 | and ax, not 0x120 |
||
947 | out dx, ax |
||
948 | xor al, al |
||
261 | hidnplayr | 949 | .finish: |
2434 | Serge | 950 | ret |
261 | hidnplayr | 951 | |
952 | ;*************************************************************************** |
||
953 | ; Function |
||
954 | ; e3c59x_try_loopback |
||
955 | ; Description |
||
956 | ; tries a loopback packet for 10BASE2 or AUI port |
||
957 | ; Parameters |
||
958 | ; al - 0: 10Mbps AUI connector |
||
959 | ; 1: 10BASE-2 |
||
960 | ; ebp - io_addr |
||
961 | ; Return value |
||
962 | ; al - 0 |
||
963 | ; al - 1 |
||
964 | ; Destroyed registers |
||
965 | ; eax, ebx, ecx, edx, edi, esi |
||
966 | ; |
||
967 | ;*************************************************************************** |
||
2434 | Serge | 968 | align 4 |
261 | hidnplayr | 969 | e3c59x_try_loopback: |
2434 | Serge | 970 | push eax |
261 | hidnplayr | 971 | ; switch to register window 3 |
2434 | Serge | 972 | lea edx, [ebp+E3C59X_REG_COMMAND] |
973 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
974 | out dx, ax |
||
975 | pop eax |
||
976 | push eax |
||
261 | hidnplayr | 977 | if defined E3C59X_DEBUG |
2434 | Serge | 978 | mov bl, al |
979 | inc bl |
||
980 | shl bl, 3 |
||
981 | or byte [e3c59x_link_type+1], bl |
||
261 | hidnplayr | 982 | end if ; defined E3C59X_DEBUG |
2434 | Serge | 983 | test al, al ; aui or coax? |
984 | jz .complete_loopback |
||
261 | hidnplayr | 985 | ; enable 100BASE-2 DC-DC converter |
2434 | Serge | 986 | mov ax, (10b shl 11) ; EnableDcConverter |
987 | out dx, ax |
||
261 | hidnplayr | 988 | .complete_loopback: |
2434 | Serge | 989 | mov cl, 2 ; give a port 3 chances to complete a loopback |
261 | hidnplayr | 990 | .next_try: |
2434 | Serge | 991 | push ecx |
992 | call e3c59x_test_packet |
||
993 | pop ecx |
||
994 | test al, al |
||
995 | jnz .finish |
||
996 | dec cl |
||
997 | jns .next_try |
||
261 | hidnplayr | 998 | .finish: |
2434 | Serge | 999 | xchg eax, [esp] |
1000 | test al, al |
||
1001 | jz .aui_finish |
||
261 | hidnplayr | 1002 | ; issue DisableDcConverter command |
2434 | Serge | 1003 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1004 | mov ax, (10111b shl 11) |
||
1005 | out dx, ax |
||
261 | hidnplayr | 1006 | .aui_finish: |
2434 | Serge | 1007 | pop eax ; al contains the result of operation |
261 | hidnplayr | 1008 | if defined E3C59X_DEBUG |
2434 | Serge | 1009 | test al, al |
1010 | jnz @f |
||
1011 | and byte [e3c59x_link_type+1], not 11000b |
||
261 | hidnplayr | 1012 | @@: |
1013 | end if ; defined E3C59X_DEBUG |
||
2434 | Serge | 1014 | ret |
261 | hidnplayr | 1015 | |
1016 | ;*************************************************************************** |
||
1017 | ; Function |
||
1018 | ; e3c59x_set_available_media |
||
1019 | ; Description |
||
1020 | ; sets the first available media |
||
1021 | ; Parameters |
||
1022 | ; ebp - io_addr |
||
1023 | ; Return value |
||
1024 | ; al - 0 |
||
1025 | ; al - 1 |
||
1026 | ; Destroyed registers |
||
1027 | ; eax, edx |
||
1028 | ; |
||
1029 | ;*************************************************************************** |
||
2434 | Serge | 1030 | align 4 |
261 | hidnplayr | 1031 | e3c59x_set_available_media: |
1032 | ; switch to register window 3 |
||
2434 | Serge | 1033 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1034 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1035 | out dx, ax |
||
1036 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1037 | in eax, dx |
||
1038 | push eax |
||
1039 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1040 | in ax, dx |
||
1041 | test al, 10b |
||
1042 | jz @f |
||
261 | hidnplayr | 1043 | ; baseTXAvailable |
2434 | Serge | 1044 | pop eax |
1045 | and eax, not (1111b shl 20) |
||
1046 | or eax, (100b shl 20) |
||
261 | hidnplayr | 1047 | if defined E3C59X_DEBUG & defined E3C59X_FORCE_FD |
2434 | Serge | 1048 | mov word [e3c59x_link_type], (1 shl 8) |
261 | hidnplayr | 1049 | else if defined E3C59X_DEBUG |
2434 | Serge | 1050 | mov word [e3c59x_link_type], (1 shl 7) |
261 | hidnplayr | 1051 | end if |
2434 | Serge | 1052 | jmp .set_media |
261 | hidnplayr | 1053 | @@: |
2434 | Serge | 1054 | test al, 100b |
1055 | jz @f |
||
261 | hidnplayr | 1056 | ; baseFXAvailable |
2434 | Serge | 1057 | pop eax |
1058 | and eax, not (1111b shl 20) |
||
1059 | or eax, (101b shl 20) |
||
261 | hidnplayr | 1060 | if defined E3C59X_DEBUG |
2434 | Serge | 1061 | mov word [e3c59x_link_type], (1 shl 10) |
261 | hidnplayr | 1062 | end if |
2434 | Serge | 1063 | jmp .set_media |
261 | hidnplayr | 1064 | @@: |
2434 | Serge | 1065 | test al, 1000000b |
1066 | jz @f |
||
261 | hidnplayr | 1067 | ; miiDevice |
2434 | Serge | 1068 | pop eax |
1069 | and eax, not (1111b shl 20) |
||
1070 | or eax, (0110b shl 20) |
||
261 | hidnplayr | 1071 | if defined E3C59X_DEBUG |
2434 | Serge | 1072 | mov word [e3c59x_link_type], (1 shl 13) |
261 | hidnplayr | 1073 | end if |
2434 | Serge | 1074 | jmp .set_media |
261 | hidnplayr | 1075 | @@: |
2434 | Serge | 1076 | test al, 1000b |
1077 | jz @f |
||
261 | hidnplayr | 1078 | .set_default: |
1079 | ; 10bTAvailable |
||
2434 | Serge | 1080 | pop eax |
1081 | and eax, not (1111b shl 20) |
||
261 | hidnplayr | 1082 | if defined E3C59X_DEBUG & defined E3C59X_FORCE_FD |
2434 | Serge | 1083 | mov word [e3c59x_link_type], (1 shl 6) |
261 | hidnplayr | 1084 | else if defined E3C59X_DEBUG |
2434 | Serge | 1085 | mov word [e3c59x_link_type], (1 shl 5) |
261 | hidnplayr | 1086 | end if ; E3C59X_FORCE_FD |
2434 | Serge | 1087 | jmp .set_media |
261 | hidnplayr | 1088 | @@: |
2434 | Serge | 1089 | test al, 10000b |
1090 | jz @f |
||
261 | hidnplayr | 1091 | ; coaxAvailable |
2434 | Serge | 1092 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1093 | mov ax, (10b shl 11) ; EnableDcConverter |
||
1094 | out dx, ax |
||
1095 | pop eax |
||
1096 | and eax, not (1111b shl 20) |
||
1097 | or eax, (11b shl 20) |
||
261 | hidnplayr | 1098 | if defined E3C59X_DEBUG |
2434 | Serge | 1099 | mov word [e3c59x_link_type], (1 shl 12) |
261 | hidnplayr | 1100 | end if ; defined E3C59X_DEBUG |
2434 | Serge | 1101 | jmp .set_media |
261 | hidnplayr | 1102 | @@: |
2434 | Serge | 1103 | test al, 10000b |
1104 | jz .set_default |
||
261 | hidnplayr | 1105 | ; auiAvailable |
2434 | Serge | 1106 | pop eax |
1107 | and eax, not (1111b shl 20) |
||
1108 | or eax, (1 shl 20) |
||
261 | hidnplayr | 1109 | if defined E3C59X_DEBUG |
2434 | Serge | 1110 | mov word [e3c59x_link_type], (1 shl 11) |
261 | hidnplayr | 1111 | end if ; defined E3C59X_DEBUG |
1112 | .set_media: |
||
2434 | Serge | 1113 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
1114 | out dx, eax |
||
261 | hidnplayr | 1115 | if defined E3C59X_FORCE_FD |
1116 | ; set fullDuplexEnable in MacControl register |
||
2434 | Serge | 1117 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
1118 | in ax, dx |
||
1119 | or ax, 0x120 |
||
1120 | out dx, ax |
||
261 | hidnplayr | 1121 | end if ; E3C59X_FORCE_FD |
2434 | Serge | 1122 | mov al, 1 |
1123 | ret |
||
261 | hidnplayr | 1124 | |
1125 | ;*************************************************************************** |
||
1126 | ; Function |
||
1127 | ; e3c59x_set_active_port |
||
1128 | ; Description |
||
1129 | ; It selects the media port (transceiver) to be used |
||
1130 | ; Parameters: |
||
1131 | ; ebp - io_addr |
||
1132 | ; Return value: |
||
1133 | ; Destroyed registers |
||
1134 | ; eax, ebx, ecx, edx, edi, esi |
||
1135 | ; |
||
1136 | ;*************************************************************************** |
||
2434 | Serge | 1137 | align 4 |
261 | hidnplayr | 1138 | e3c59x_set_active_port: |
1139 | ; switch to register window 3 |
||
2434 | Serge | 1140 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1141 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1142 | out dx, ax |
||
1143 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1144 | in eax, dx |
||
1145 | test eax, (1 shl 24) ; check if autoselect enable |
||
1146 | jz .set_first_available_media |
||
261 | hidnplayr | 1147 | ; check 100BASE-TX and 10BASE-T |
2434 | Serge | 1148 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
1149 | in ax, dx |
||
1150 | test al, 1010b ; check whether 100BASE-TX or 10BASE-T available |
||
1151 | jz .mii_device ; they are not available |
||
261 | hidnplayr | 1152 | ; set auto-negotiation |
2434 | Serge | 1153 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
1154 | in eax, dx |
||
1155 | and eax, not (1111b shl 20) |
||
1156 | or eax, (1000b shl 20) |
||
1157 | out dx, eax |
||
1158 | call e3c59x_try_mii |
||
1159 | test al, al |
||
1160 | jz .mii_device |
||
1161 | ret |
||
261 | hidnplayr | 1162 | .mii_device: |
1163 | ; switch to register window 3 |
||
2434 | Serge | 1164 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1165 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1166 | out dx, ax |
||
261 | hidnplayr | 1167 | ; check for off-chip mii device |
2434 | Serge | 1168 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
1169 | in ax, dx |
||
1170 | test al, 1000000b ; check miiDevice |
||
1171 | jz .base_fx |
||
1172 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1173 | in eax, dx |
||
1174 | and eax, not (1111b shl 20) |
||
1175 | or eax, (0110b shl 20) ; set MIIDevice |
||
1176 | out dx, eax |
||
1177 | call e3c59x_try_mii |
||
1178 | test al, al |
||
1179 | jz .base_fx |
||
1180 | ret |
||
261 | hidnplayr | 1181 | .base_fx: |
1182 | ; switch to register window 3 |
||
2434 | Serge | 1183 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1184 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1185 | out dx, ax |
||
261 | hidnplayr | 1186 | ; check for 100BASE-FX |
2434 | Serge | 1187 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
1188 | in ax, dx ; read media option register |
||
1189 | test al, 100b ; check 100BASE-FX |
||
1190 | jz .aui_enable |
||
1191 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1192 | in eax, dx |
||
1193 | and eax, not (1111b shl 20) |
||
1194 | or eax, (0101b shl 20) ; set 100base-FX |
||
1195 | out dx, eax |
||
1196 | call e3c59x_try_link_detect |
||
1197 | test al, al |
||
1198 | jz .aui_enable |
||
1199 | ret |
||
261 | hidnplayr | 1200 | .aui_enable: |
1201 | ; switch to register window 3 |
||
2434 | Serge | 1202 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1203 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1204 | out dx, ax |
||
261 | hidnplayr | 1205 | ; check for 10Mbps AUI connector |
2434 | Serge | 1206 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
1207 | in ax, dx ; read media option register |
||
1208 | test al, 100000b ; check 10Mbps AUI connector |
||
1209 | jz .coax_available |
||
1210 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1211 | in eax, dx |
||
1212 | and eax, not (1111b shl 20) |
||
1213 | or eax, (0001b shl 20) ; set 10Mbps AUI connector |
||
1214 | out dx, eax |
||
1215 | xor al, al ; try 10Mbps AUI connector |
||
1216 | call e3c59x_try_loopback |
||
1217 | test al, al |
||
1218 | jz .coax_available |
||
1219 | ret |
||
261 | hidnplayr | 1220 | .coax_available: |
1221 | ; switch to register window 3 |
||
2434 | Serge | 1222 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1223 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1224 | out dx, ax |
||
261 | hidnplayr | 1225 | ; check for coaxial 10BASE-2 port |
2434 | Serge | 1226 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
1227 | in ax, dx ; read media option register |
||
1228 | test al, 10000b ; check 10BASE-2 |
||
1229 | jz .set_first_available_media |
||
1230 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1231 | in eax, dx |
||
1232 | and eax, not (1111b shl 20) |
||
1233 | or eax, (0011b shl 20) ; set 10BASE-2 |
||
1234 | out dx, eax |
||
1235 | mov al, 1 |
||
1236 | call e3c59x_try_loopback |
||
1237 | test al, al |
||
1238 | jz .set_first_available_media |
||
1239 | ret |
||
261 | hidnplayr | 1240 | .set_first_available_media: |
2434 | Serge | 1241 | jmp e3c59x_set_available_media |
261 | hidnplayr | 1242 | |
1243 | ;*************************************************************************** |
||
1244 | ; Function |
||
1245 | ; e3c59x_wake_up |
||
1246 | ; Description |
||
1247 | ; set the power state to D0 |
||
1248 | ; Destroyed registers |
||
1249 | ; eax, ebx, ecx, edx, edi, esi |
||
1250 | ; |
||
1251 | ;*************************************************************************** |
||
2434 | Serge | 1252 | align 4 |
261 | hidnplayr | 1253 | e3c59x_wake_up: |
1254 | ; wake up - we directly do it by programming PCI |
||
1255 | ; check if the device is power management capable |
||
2434 | Serge | 1256 | mov al, 2 |
1257 | mov ah, [pci_bus] |
||
1258 | mov bl, PCI_REG_STATUS |
||
1259 | mov bh, [pci_dev] |
||
1260 | push eax ebx |
||
1261 | call pci_read_reg |
||
1262 | test al, 10000b ; is there "new capabilities" linked list? |
||
1263 | pop ebx eax |
||
1264 | jz .device_awake |
||
261 | hidnplayr | 1265 | ; search for power management register |
2434 | Serge | 1266 | mov al, 1 |
1267 | mov bl, PCI_REG_CAP_PTR |
||
1268 | push eax ebx |
||
1269 | call pci_read_reg |
||
1270 | mov cl, al |
||
1271 | cmp cl, 0x3f |
||
1272 | pop ebx eax |
||
1273 | jbe .device_awake |
||
261 | hidnplayr | 1274 | ; traverse the list |
2434 | Serge | 1275 | mov al, 2 |
261 | hidnplayr | 1276 | .pm_loop: |
2434 | Serge | 1277 | mov bl, cl |
1278 | push eax ebx |
||
1279 | call pci_read_reg |
||
1280 | cmp al, 1 |
||
1281 | je .set_pm_state |
||
1282 | test ah, ah |
||
1283 | mov cl, ah |
||
1284 | pop ebx eax |
||
1285 | jnz .pm_loop |
||
1286 | jmp .device_awake |
||
261 | hidnplayr | 1287 | ; waku up the device if necessary |
1288 | .set_pm_state: |
||
2434 | Serge | 1289 | pop ebx eax |
1290 | add bl, PCI_REG_PM_CTRL |
||
1291 | push eax ebx |
||
1292 | call pci_read_reg |
||
1293 | mov cx, ax |
||
1294 | test cl, 3 |
||
1295 | pop ebx eax |
||
1296 | jz .device_awake |
||
1297 | and cl, not 11b ; set state to D0 |
||
1298 | call pci_write_reg |
||
261 | hidnplayr | 1299 | .device_awake: |
2434 | Serge | 1300 | ret |
261 | hidnplayr | 1301 | |
1302 | ;*************************************************************************** |
||
1303 | ; Function |
||
1304 | ; e3c59x_probe |
||
1305 | ; Description |
||
1306 | ; Searches for an ethernet card, enables it and clears the rx buffer |
||
1307 | ; If a card was found, it enables the ethernet -> TCPIP link |
||
1308 | ; Destroyed registers |
||
1309 | ; eax, ebx, ecx, edx, edi, esi |
||
1310 | ; |
||
1311 | ;*************************************************************************** |
||
2434 | Serge | 1312 | align 4 |
261 | hidnplayr | 1313 | e3c59x_probe: |
2434 | Serge | 1314 | movzx ebp, word [io_addr] |
1315 | mov al, 2 |
||
1316 | mov ah, [pci_bus] |
||
1317 | mov bh, [pci_dev] |
||
1318 | mov bl, PCI_REG_COMMAND |
||
1319 | push ebp eax ebx |
||
1320 | call pci_read_reg |
||
1321 | mov cx, ax |
||
1322 | or cl, (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO) |
||
1323 | and cl, not (1 shl PCI_BIT_MMIO) |
||
1324 | pop ebx eax |
||
1325 | call pci_write_reg |
||
261 | hidnplayr | 1326 | ; wake up the card |
2434 | Serge | 1327 | call e3c59x_wake_up |
1328 | pop ebp |
||
261 | hidnplayr | 1329 | ; get chip version |
2434 | Serge | 1330 | mov ax, [pci_data+2] |
1331 | mov ecx, E3C59X_HW_VERSIONS_SIZE/4-1 |
||
261 | hidnplayr | 1332 | .chip_ver_loop: |
2434 | Serge | 1333 | cmp ax, [e3c59x_hw_versions+ecx*4] |
1334 | jz .chip_ver_found |
||
1335 | dec ecx |
||
1336 | jns .chip_ver_loop |
||
1337 | xor ecx, ecx |
||
261 | hidnplayr | 1338 | .chip_ver_found: |
2434 | Serge | 1339 | mov [e3c59x_ver_id], cl |
1340 | test word [e3c59x_hw_versions+2+ecx*4], HAS_HWCKSM |
||
1341 | setnz [e3c59x_has_hwcksm] |
||
261 | hidnplayr | 1342 | ; set pci latency for vortex cards |
2434 | Serge | 1343 | test word [e3c59x_hw_versions+2+ecx*4], IS_VORTEX |
1344 | jz .not_vortex |
||
1345 | mov cx, 11111000b ; 248 = max latency |
||
1346 | mov al, 1 |
||
1347 | mov ah, [pci_bus] |
||
1348 | mov bl, PCI_REG_LATENCY |
||
1349 | mov bh, [pci_dev] |
||
1350 | call pci_write_reg |
||
261 | hidnplayr | 1351 | .not_vortex: |
1352 | ; set RX/TX functions |
||
2434 | Serge | 1353 | mov ax, E3C59X_EEPROM_REG_CAPABILITIES |
1354 | call e3c59x_read_eeprom |
||
1355 | test al, 100000b ; full bus master? |
||
1356 | setnz [e3c59x_full_bus_master] |
||
1357 | jnz .boomerang_func |
||
1358 | mov dword [e3c59x_transmit_function], e3c59x_vortex_transmit |
||
1359 | mov dword [e3c59x_receive_function], e3c59x_vortex_poll |
||
1360 | jmp @f |
||
261 | hidnplayr | 1361 | .boomerang_func: ; full bus master, so use boomerang functions |
2434 | Serge | 1362 | mov dword [e3c59x_transmit_function], e3c59x_boomerang_transmit |
1363 | mov dword [e3c59x_receive_function], e3c59x_boomerang_poll |
||
261 | hidnplayr | 1364 | @@: |
1365 | ; read MAC from eeprom |
||
2434 | Serge | 1366 | mov ecx, 2 |
261 | hidnplayr | 1367 | .mac_loop: |
2434 | Serge | 1368 | lea ax, [E3C59X_EEPROM_REG_OEM_NODE_ADDR+ecx] |
1369 | call e3c59x_read_eeprom |
||
1370 | xchg ah, al ; htons |
||
1371 | mov [node_addr+ecx*2], ax |
||
1372 | dec ecx |
||
1373 | jns .mac_loop |
||
1374 | test byte [e3c59x_full_bus_master], 0xff |
||
1375 | jz .set_preamble |
||
261 | hidnplayr | 1376 | ; switch to register window 2 |
2434 | Serge | 1377 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1378 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+2 |
||
1379 | out dx, ax |
||
261 | hidnplayr | 1380 | ; activate xcvr by setting some magic bits |
2434 | Serge | 1381 | lea edx, [ebp+E3C59X_REG_RESET_OPTIONS] |
1382 | in ax, dx |
||
1383 | and ax, not 0x4010 |
||
1384 | movzx ebx, byte [e3c59x_ver_id] |
||
1385 | test word [ebx*4+e3c59x_hw_versions+2], INVERT_LED_PWR |
||
1386 | jz @f |
||
1387 | or al, 0x10 |
||
261 | hidnplayr | 1388 | @@: |
2434 | Serge | 1389 | test word [ebx*4+e3c59x_hw_versions+2], INVERT_MII_PWR |
1390 | jz @f |
||
1391 | or ah, 0x40 |
||
261 | hidnplayr | 1392 | @@: |
2434 | Serge | 1393 | out dx, ax |
261 | hidnplayr | 1394 | .set_preamble: |
1395 | ; use preamble as default |
||
2434 | Serge | 1396 | mov byte [e3c59x_preamble], 1 ; enable preamble |
261 | hidnplayr | 1397 | |
1398 | ;*************************************************************************** |
||
1399 | ; Function |
||
1400 | ; e3c59x_reset |
||
1401 | ; Description |
||
1402 | ; Place the chip (ie, the ethernet card) into a virgin state |
||
1403 | ; Destroyed registers |
||
1404 | ; eax, ebx, ecx, edx, edi, esi |
||
1405 | ; |
||
1406 | ;*************************************************************************** |
||
1407 | e3c59x_reset: |
||
1408 | ; issue global reset |
||
2434 | Serge | 1409 | call e3c59x_global_reset |
261 | hidnplayr | 1410 | ; disable interrupts |
2434 | Serge | 1411 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1412 | mov ax, (1110b shl 11) |
||
1413 | out dx, ax |
||
261 | hidnplayr | 1414 | ; enable Statistics |
2434 | Serge | 1415 | mov ax, (10101b shl 11) |
1416 | out dx, ax |
||
261 | hidnplayr | 1417 | ; set indication |
2434 | Serge | 1418 | mov ax, (1111b shl 11) or 0x6c6 |
1419 | out dx, ax |
||
261 | hidnplayr | 1420 | ; acknowledge (clear) every interrupt indicator |
2434 | Serge | 1421 | mov ax, (1101b shl 11) or 0x661 |
1422 | out dx, ax |
||
261 | hidnplayr | 1423 | ; switch to register window 2 |
2434 | Serge | 1424 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+2 |
1425 | out dx, ax |
||
261 | hidnplayr | 1426 | ; write MAC addres back into the station address registers |
2434 | Serge | 1427 | lea edx, [ebp+E3C59X_REG_STATION_ADDRESS_LO] |
1428 | mov esi, node_addr |
||
1429 | cld |
||
1430 | outsw |
||
1431 | add edx, 2 |
||
1432 | outsw |
||
1433 | add edx, 2 |
||
1434 | outsw |
||
1435 | add edx, 2 |
||
261 | hidnplayr | 1436 | ; clear station mask |
2434 | Serge | 1437 | xor eax, eax |
1438 | out dx, ax |
||
1439 | add edx, 2 |
||
1440 | out dx, ax |
||
1441 | add edx, 2 |
||
1442 | out dx, ax |
||
261 | hidnplayr | 1443 | ; switch to register window 6 |
2434 | Serge | 1444 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1445 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+6 |
||
1446 | out dx, ax |
||
261 | hidnplayr | 1447 | ; clear all statistics by reading |
2434 | Serge | 1448 | lea edx, [ebp+E3C59X_REG_CARRIER_LOST] |
1449 | mov cl, 9 |
||
261 | hidnplayr | 1450 | .stat_clearing_loop: |
2434 | Serge | 1451 | in al, dx |
1452 | inc edx |
||
1453 | dec cl |
||
1454 | jns .stat_clearing_loop |
||
1455 | in ax, dx |
||
1456 | add dx, 2 |
||
1457 | in ax, dx |
||
261 | hidnplayr | 1458 | ; switch to register window 4 |
2434 | Serge | 1459 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1460 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
1461 | out dx, ax |
||
261 | hidnplayr | 1462 | ; clear BadSSD |
2434 | Serge | 1463 | lea edx, [ebp+E3C59X_REG_BAD_SSD] |
1464 | in al, dx |
||
261 | hidnplayr | 1465 | ; clear extra statistics bit in NetworkDiagnostic |
2434 | Serge | 1466 | lea edx, [ebp+E3C59X_REG_NETWORK_DIAGNOSTIC] |
1467 | in ax, dx |
||
1468 | or ax, 0x0040 |
||
1469 | out dx, ax |
||
261 | hidnplayr | 1470 | ; SetRxEarlyThreshold |
2434 | Serge | 1471 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1472 | mov ax, (10001b shl 11)+(E3C59X_MAX_ETH_PKT_SIZE shr 2) |
||
1473 | out dx, ax |
||
1474 | test byte [e3c59x_full_bus_master], 0xff |
||
1475 | jz .skip_boomerang_setting |
||
261 | hidnplayr | 1476 | ; set upRxEarlyEnable |
2434 | Serge | 1477 | lea edx, [ebp+E3C59X_REG_DMA_CTRL] |
1478 | in eax, dx |
||
1479 | or eax, 0x20 |
||
1480 | out dx, eax |
||
261 | hidnplayr | 1481 | ; TxFreeThreshold |
2434 | Serge | 1482 | lea edx, [ebp+E3C59X_REG_TX_FREE_THRESH] |
1483 | mov al, (E3C59X_MAX_ETH_PKT_SIZE / 256) |
||
1484 | out dx, al |
||
261 | hidnplayr | 1485 | ; program DnListPtr |
2434 | Serge | 1486 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
1487 | xor eax, eax |
||
1488 | out dx, eax |
||
261 | hidnplayr | 1489 | .skip_boomerang_setting: |
1490 | ; initialization |
||
2434 | Serge | 1491 | call e3c59x_rx_reset |
1492 | call e3c59x_tx_reset |
||
1493 | call e3c59x_set_active_port |
||
1494 | call e3c59x_rx_reset |
||
1495 | call e3c59x_tx_reset |
||
261 | hidnplayr | 1496 | ; switch to register window 5 |
2434 | Serge | 1497 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1498 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
1499 | out dx, ax |
||
261 | hidnplayr | 1500 | ; program RxFilter for promiscuous operation |
2434 | Serge | 1501 | mov ax, (10000b shl 11) |
1502 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
1503 | in al, dx |
||
1504 | or al, 1111b |
||
1505 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1506 | out dx, ax |
||
261 | hidnplayr | 1507 | ; switch to register window 4 |
2434 | Serge | 1508 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
1509 | out dx, ax |
||
261 | hidnplayr | 1510 | ; wait for linkDetect |
2434 | Serge | 1511 | lea edx, [ebp+E3C59X_REG_MEDIA_STATUS] |
1512 | mov cl, 20 ; wait for max 2s |
||
1513 | mov esi, 100 ; 100ms |
||
261 | hidnplayr | 1514 | .link_detect_loop: |
2434 | Serge | 1515 | call delay_ms |
1516 | in ax, dx |
||
1517 | test ah, 1000b ; linkDetect |
||
1518 | jnz @f |
||
1519 | dec cl |
||
1520 | jnz .link_detect_loop |
||
261 | hidnplayr | 1521 | @@: |
1522 | ; Indicate that we have successfully reset the card |
||
2434 | Serge | 1523 | mov eax, [pci_data] |
1524 | mov [eth_status], eax |
||
261 | hidnplayr | 1525 | if defined E3C59X_DEBUG |
2434 | Serge | 1526 | call e3c59x_debug |
261 | hidnplayr | 1527 | end if ; defined E3C59X_DEBUG |
2434 | Serge | 1528 | ret |
261 | hidnplayr | 1529 | |
1530 | ;*************************************************************************** |
||
1531 | ; Function |
||
1532 | ; e3c59x_global_reset |
||
1533 | ; Description |
||
1534 | ; resets the device |
||
1535 | ; Parameters: |
||
1536 | ; ebp - io_addr |
||
1537 | ; Return value: |
||
1538 | ; Destroyed registers |
||
1539 | ; ax, ecx, edx, esi |
||
1540 | ; |
||
1541 | ;*************************************************************************** |
||
2434 | Serge | 1542 | align 4 |
261 | hidnplayr | 1543 | e3c59x_global_reset: |
1544 | ; GlobalReset |
||
2434 | Serge | 1545 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1546 | xor eax, eax |
||
261 | hidnplayr | 1547 | ; or al, 0x14 |
2434 | Serge | 1548 | out dx, ax |
261 | hidnplayr | 1549 | ; wait for GlobalReset to complete |
2434 | Serge | 1550 | mov ecx, 64000 |
261 | hidnplayr | 1551 | .global_reset_loop: |
2434 | Serge | 1552 | in ax, dx |
1553 | test ah, 10000b ; check CmdInProgress |
||
1554 | jz .finish |
||
1555 | dec ecx |
||
1556 | jnz .global_reset_loop |
||
261 | hidnplayr | 1557 | .finish: |
1558 | ; wait for 2 seconds for NIC to boot |
||
2434 | Serge | 1559 | mov esi, 2000 ; 2000ms = 2s |
1560 | push ebp |
||
1561 | call delay_ms |
||
1562 | pop ebp |
||
1563 | ret |
||
261 | hidnplayr | 1564 | |
1565 | ;*************************************************************************** |
||
1566 | ; Function |
||
1567 | ; e3c59x_tx_reset |
||
1568 | ; Description |
||
1569 | ; resets and enables transmitter engine |
||
1570 | ; Parameters: |
||
1571 | ; ebp - io_addr |
||
1572 | ; Return value: |
||
1573 | ; Destroyed registers |
||
1574 | ; ax, ecx, edx |
||
1575 | ; |
||
1576 | ;*************************************************************************** |
||
2434 | Serge | 1577 | align 4 |
261 | hidnplayr | 1578 | e3c59x_tx_reset: |
1579 | ; TxReset |
||
2434 | Serge | 1580 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1581 | mov ax, (01011b shl 11) |
||
1582 | out dx, ax |
||
1280 | hidnplayr | 1583 | ; Wait for TxReset to complete |
2434 | Serge | 1584 | mov ecx, 200000 |
261 | hidnplayr | 1585 | .tx_reset_loop: |
2434 | Serge | 1586 | in ax, dx |
1587 | test ah, 10000b ; check CmdInProgress |
||
1588 | jz .tx_set_prev |
||
1589 | dec ecx |
||
1590 | jns .tx_reset_loop |
||
1280 | hidnplayr | 1591 | .tx_set_prev: |
2434 | Serge | 1592 | test byte [e3c59x_full_bus_master], 0xff |
1593 | jz .tx_enable |
||
261 | hidnplayr | 1594 | ; init last_dpd |
2434 | Serge | 1595 | mov dword [e3c59x_prev_dpd], e3c59x_dpd_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_DPD_SIZE |
1596 | mov dword [e3c59x_prev_tx_frame], e3c59x_tx_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_MAX_ETH_FRAME_SIZE |
||
261 | hidnplayr | 1597 | .tx_enable: |
2434 | Serge | 1598 | mov ax, (01001b shl 11) ; TxEnable |
1599 | out dx, ax |
||
1600 | ret |
||
261 | hidnplayr | 1601 | |
1602 | ;*************************************************************************** |
||
1603 | ; Function |
||
1604 | ; e3c59x_rx_reset |
||
1605 | ; Description |
||
1606 | ; resets and enables receiver engine |
||
1607 | ; Parameters: |
||
1608 | ; ebp - io_addr |
||
1609 | ; Return value: |
||
1610 | ; Destroyed registers |
||
1611 | ; eax, ebx, ecx, edx, edi, esi |
||
1612 | ; |
||
1613 | ;*************************************************************************** |
||
2434 | Serge | 1614 | align 4 |
261 | hidnplayr | 1615 | e3c59x_rx_reset: |
2434 | Serge | 1616 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1617 | mov ax, (0101b shl 11) or 0x4 ; RxReset |
||
1618 | out dx, ax |
||
261 | hidnplayr | 1619 | ; wait for RxReset to complete |
2434 | Serge | 1620 | mov ecx, 200000 |
261 | hidnplayr | 1621 | .rx_reset_loop: |
2434 | Serge | 1622 | in ax, dx |
1623 | test ah, 10000b ; check CmdInProgress |
||
1624 | jz .setup_upd |
||
1625 | dec ecx |
||
1626 | jns .rx_reset_loop |
||
261 | hidnplayr | 1627 | .setup_upd: |
1628 | ; check if full bus mastering |
||
2434 | Serge | 1629 | test byte [e3c59x_full_bus_master], 0xff |
1630 | jz .rx_enable |
||
261 | hidnplayr | 1631 | ; create upd ring |
2434 | Serge | 1632 | mov eax, e3c59x_upd_buff |
1633 | zero_to_virt eax |
||
1634 | mov [e3c59x_curr_upd], eax |
||
1635 | mov esi, eax |
||
1636 | virt_to_dma esi |
||
1637 | mov edi, e3c59x_rx_buff |
||
1638 | zero_to_dma edi |
||
1639 | mov ebx, e3c59x_upd_buff+(E3C59X_NUM_RX_DESC-1)*E3C59X_UPD_SIZE |
||
1640 | zero_to_virt ebx |
||
1641 | mov cl, E3C59X_NUM_RX_DESC-1 |
||
261 | hidnplayr | 1642 | .upd_loop: |
2434 | Serge | 1643 | mov [ebx+E3C59X_UPD_UP_NEXT_PTR], esi |
1644 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
1645 | mov [eax+E3C59X_UPD_UP_FRAG_ADDR], edi |
||
1646 | mov dword [eax+E3C59X_UPD_UP_FRAG_LEN], E3C59X_MAX_ETH_FRAME_SIZE or (1 shl 31) |
||
1647 | add edi, E3C59X_MAX_ETH_FRAME_SIZE |
||
1648 | add esi, E3C59X_UPD_SIZE |
||
1649 | mov ebx, eax |
||
1650 | add eax, E3C59X_UPD_SIZE |
||
1651 | dec cl |
||
1652 | jns .upd_loop |
||
1653 | mov eax, e3c59x_upd_buff |
||
1654 | zero_to_dma eax |
||
1655 | lea edx, [ebp+E3C59X_REG_UP_LIST_PTR] |
||
1656 | out dx, eax ; write E3C59X_REG_UP_LIST_PTR |
||
1657 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
261 | hidnplayr | 1658 | .rx_enable: |
2434 | Serge | 1659 | mov ax, (00100b shl 11) ; RxEnable |
1660 | out dx, ax |
||
1661 | ret |
||
261 | hidnplayr | 1662 | |
1663 | ;*************************************************************************** |
||
1664 | ; Function |
||
1665 | ; e3c59x_write_eeprom |
||
1666 | ; Description |
||
1667 | ; reads eeprom |
||
1668 | ; Note : the caller must switch to the register window 0 |
||
1669 | ; before calling this function |
||
1670 | ; Parameters: |
||
1671 | ; ax - register to be read (only the first 63 words can be read) |
||
1672 | ; cx - value to be read into the register |
||
1673 | ; Return value: |
||
1674 | ; ax - word read |
||
1675 | ; Destroyed registers |
||
1676 | ; ax, ebx, edx |
||
1677 | ; |
||
1678 | ;*************************************************************************** |
||
1679 | ; align 4 |
||
1680 | ;e3c59x_write_eeprom: |
||
1681 | ; mov edx, [io_addr] |
||
1682 | ; add edx, E3C59X_REG_EEPROM_COMMAND |
||
1683 | ; cmp ah, 11b |
||
1684 | ; ja .finish ; address may have a value of maximal 1023 |
||
1685 | ; shl ax, 2 |
||
1686 | ; shr al, 2 |
||
1687 | ; push eax |
||
1688 | ;; wait for busy |
||
1689 | ; mov ebx, 0xffff |
||
1690 | ;@@: |
||
1691 | ; in ax, dx |
||
1692 | ; test ah, 0x80 |
||
1693 | ; jz .write_enable |
||
1694 | ; dec ebx |
||
1695 | ; jns @r |
||
1696 | ;; write enable |
||
1697 | ;.write_enable: |
||
1698 | ; xor eax, eax |
||
1699 | ; mov eax, (11b shl 4) |
||
1700 | ; out dx, ax |
||
1701 | ;; wait for busy |
||
1702 | ; mov ebx, 0xffff |
||
1703 | ;@@: |
||
1704 | ; in ax, dx |
||
1705 | ; test ah, 0x80 |
||
1706 | ; jz .erase_loop |
||
1707 | ; dec ebx |
||
1708 | ; jns @r |
||
1709 | ;.erase_loop: |
||
1710 | ; pop eax |
||
1711 | ; push eax |
||
1712 | ; or ax, (11b shl 6) ; erase register |
||
1713 | ; out dx, ax |
||
1714 | ; mov ebx, 0xffff |
||
1715 | ;@@: |
||
1716 | ; in ax, dx |
||
1717 | ; test ah, 0x80 |
||
1718 | ; jz .write_reg |
||
1719 | ; dec ebx |
||
1720 | ; jns @r |
||
1721 | ;.write_reg: |
||
1722 | ; add edx, E3C59X_REG_EEPROM_DATA-E3C59X_REG_EEPROM_COMMAND |
||
1723 | ; mov eax, ecx |
||
1724 | ; out dx, ax |
||
1725 | ;; write enable |
||
1726 | ; add edx, E3C59X_REG_EEPROM_COMMAND-E3C59X_REG_EEPROM_DATA |
||
1727 | ; xor eax, eax |
||
1728 | ; mov eax, (11b shl 4) |
||
1729 | ; out dx, ax |
||
1730 | ; wait for busy |
||
1731 | ; mov ebx, 0xffff |
||
1732 | ;@@: |
||
1733 | ; in ax, dx |
||
1734 | ; test ah, 0x80 |
||
1735 | ; jz .issue_write_reg |
||
1736 | ; dec ebx |
||
1737 | ; jns @r |
||
1738 | ;.issue_write_reg: |
||
1739 | ; pop eax |
||
1740 | ; or ax, 01b shl 6 |
||
1741 | ; out dx, ax |
||
1742 | ;.finish: |
||
1743 | ; ret |
||
1744 | ;*************************************************************************** |
||
1745 | ; Function |
||
1746 | ; e3c59x_read_eeprom |
||
1747 | ; Description |
||
1748 | ; reads eeprom |
||
1749 | ; Parameters: |
||
1750 | ; ax - register to be read (only the first 63 words can be read) |
||
1751 | ; ebp - io_addr |
||
1752 | ; Return value: |
||
1753 | ; ax - word read |
||
1754 | ; Destroyed registers |
||
1755 | ; ax, ebx, edx, ebp |
||
1756 | ; |
||
1757 | ;*************************************************************************** |
||
2434 | Serge | 1758 | align 4 |
261 | hidnplayr | 1759 | e3c59x_read_eeprom: |
2434 | Serge | 1760 | push eax |
261 | hidnplayr | 1761 | ; switch to register window 0 |
2434 | Serge | 1762 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1763 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+0 |
||
1764 | out dx, ax |
||
1765 | pop eax |
||
1766 | and ax, 111111b ; take only the first 6 bits into account |
||
1767 | movzx ebx, byte [e3c59x_ver_id] |
||
1768 | test word [ebx*4+e3c59x_hw_versions+2], EEPROM_8BIT |
||
1769 | jz @f |
||
1770 | add ax, 0x230 ; hardware constant |
||
1771 | jmp .read |
||
261 | hidnplayr | 1772 | @@: |
2434 | Serge | 1773 | add ax, E3C59X_EEPROM_CMD_READ |
1774 | test word [ebx*4+e3c59x_hw_versions+2], EEPROM_OFFSET |
||
1775 | jz .read |
||
1776 | add ax, 0x30 |
||
261 | hidnplayr | 1777 | .read: |
2434 | Serge | 1778 | lea edx, [ebp+E3C59X_REG_EEPROM_COMMAND] |
1779 | out dx, ax |
||
1780 | mov ebx, 0xffff ; duration of about 162 us ;-) |
||
261 | hidnplayr | 1781 | .wait_for_reading: |
2434 | Serge | 1782 | in ax, dx |
1783 | test ah, 0x80 ; check bit eepromBusy |
||
1784 | jz .read_data |
||
1785 | dec ebx |
||
1786 | jns .wait_for_reading |
||
261 | hidnplayr | 1787 | .read_data: |
2434 | Serge | 1788 | lea edx, [ebp+E3C59X_REG_EEPROM_DATA] |
1789 | in ax, dx |
||
1790 | ret |
||
261 | hidnplayr | 1791 | |
1792 | ;*************************************************************************** |
||
1793 | ; Function |
||
1794 | ; e3c59x_mdio_sync |
||
1795 | ; Description |
||
1796 | ; initial synchronization |
||
1797 | ; Parameters |
||
1798 | ; ebp - io_addr |
||
1799 | ; Return value |
||
1800 | ; Destroyed registers |
||
1801 | ; ax, edx, cl |
||
1802 | ; |
||
1803 | ;*************************************************************************** |
||
2434 | Serge | 1804 | align 4 |
261 | hidnplayr | 1805 | e3c59x_mdio_sync: |
1806 | ; switch to register window 4 |
||
2434 | Serge | 1807 | lea edx, [ebp+E3C59X_REG_COMMAND] |
1808 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
1809 | out dx, ax |
||
1810 | cmp byte [e3c59x_preamble], 0 |
||
1811 | je .no_preamble |
||
261 | hidnplayr | 1812 | ; send 32 logic ones |
2434 | Serge | 1813 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
1814 | mov cl, 31 |
||
261 | hidnplayr | 1815 | .loop: |
2434 | Serge | 1816 | mov ax, (1 shl E3C59X_BIT_MGMT_DATA) or (1 shl E3C59X_BIT_MGMT_DIR) |
1817 | out dx, ax |
||
1818 | in ax, dx ; delay |
||
1819 | mov ax, (1 shl E3C59X_BIT_MGMT_DATA) \ |
||
1820 | or (1 shl E3C59X_BIT_MGMT_DIR) \ |
||
1821 | or (1 shl E3C59X_BIT_MGMT_CLK) |
||
1822 | out dx, ax |
||
1823 | in ax, dx ; delay |
||
1824 | dec cl |
||
1825 | jns .loop |
||
261 | hidnplayr | 1826 | .no_preamble: |
2434 | Serge | 1827 | ret |
261 | hidnplayr | 1828 | |
1829 | ;*************************************************************************** |
||
1830 | ; Function |
||
1831 | ; e3c59x_mdio_read |
||
1832 | ; Description |
||
1833 | ; read MII register |
||
1834 | ; see page 16 in D83840A.pdf |
||
1835 | ; Parameters |
||
1836 | ; ah - PHY addr |
||
1837 | ; al - register addr |
||
1838 | ; ebp - io_addr |
||
1839 | ; Return value |
||
1840 | ; ax - register read |
||
1841 | ; Destroyed registers |
||
1842 | ; eax, ebx, cx, edx |
||
1843 | ; |
||
1844 | ;*************************************************************************** |
||
2434 | Serge | 1845 | align 4 |
261 | hidnplayr | 1846 | e3c59x_mdio_read: |
2434 | Serge | 1847 | push eax |
1848 | call e3c59x_mdio_sync ; returns with window #4 |
||
1849 | pop eax |
||
1850 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
1851 | shl al, 3 |
||
1852 | shr ax, 3 |
||
1853 | and ax, not E3C59X_MII_CMD_MASK |
||
1854 | or ax, E3C59X_MII_CMD_READ |
||
1855 | mov ebx, eax |
||
1856 | xor ecx, ecx |
||
1857 | mov cl, 13 |
||
261 | hidnplayr | 1858 | .cmd_loop: |
2434 | Serge | 1859 | mov ax, (1 shl E3C59X_BIT_MGMT_DIR) ; write mii |
1860 | bt ebx, ecx |
||
1861 | jnc .zero_bit |
||
1862 | or al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
261 | hidnplayr | 1863 | .zero_bit: |
2434 | Serge | 1864 | out dx, ax |
1865 | push eax |
||
1866 | in ax, dx ; delay |
||
1867 | pop eax |
||
1868 | or al, (1 shl E3C59X_BIT_MGMT_CLK) ; write |
||
1869 | out dx, ax |
||
1870 | in ax, dx ; delay |
||
1871 | dec cl |
||
1872 | jns .cmd_loop |
||
261 | hidnplayr | 1873 | ; read data (18 bits with the two transition bits) |
2434 | Serge | 1874 | mov cl, 17 |
1875 | xor ebx, ebx |
||
261 | hidnplayr | 1876 | .read_loop: |
2434 | Serge | 1877 | shl ebx, 1 |
1878 | xor eax, eax ; read comand |
||
1879 | out dx, ax |
||
1880 | in ax, dx ; delay |
||
1881 | in ax, dx |
||
1882 | test al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
1883 | jz .dont_set |
||
1884 | inc ebx |
||
261 | hidnplayr | 1885 | .dont_set: |
2434 | Serge | 1886 | mov ax, (1 shl E3C59X_BIT_MGMT_CLK) |
1887 | out dx, ax |
||
1888 | in ax, dx ; delay |
||
1889 | dec cl |
||
1890 | jns .read_loop |
||
1891 | mov eax, ebx |
||
1892 | ret |
||
261 | hidnplayr | 1893 | |
1894 | ;*************************************************************************** |
||
1895 | ; Function |
||
1896 | ; e3c59x_mdio_write |
||
1897 | ; Description |
||
1898 | ; write MII register |
||
1899 | ; see page 16 in D83840A.pdf |
||
1900 | ; Parameters |
||
1901 | ; ah - PHY addr |
||
1902 | ; al - register addr |
||
1903 | ; bx - word to be written |
||
1904 | ; ebp - io_addr |
||
1905 | ; Return value |
||
1906 | ; ax - register read |
||
1907 | ; Destroyed registers |
||
1908 | ; eax, ebx, cx, edx |
||
1909 | ; |
||
1910 | ;*************************************************************************** |
||
2434 | Serge | 1911 | align 4 |
261 | hidnplayr | 1912 | e3c59x_mdio_write: |
2434 | Serge | 1913 | push eax |
1914 | call e3c59x_mdio_sync |
||
1915 | pop eax |
||
1916 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
1917 | shl al, 3 |
||
1918 | shr ax, 3 |
||
1919 | and ax, not E3C59X_MII_CMD_MASK |
||
1920 | or ax, E3C59X_MII_CMD_WRITE |
||
1921 | shl eax, 2 |
||
1922 | or eax, 10b ; transition bits |
||
1923 | shl eax, 16 |
||
1924 | mov ax, bx |
||
1925 | mov ebx, eax |
||
1926 | mov ecx, 31 |
||
261 | hidnplayr | 1927 | .cmd_loop: |
2434 | Serge | 1928 | mov ax, (1 shl E3C59X_BIT_MGMT_DIR) ; write mii |
1929 | bt ebx, ecx |
||
1930 | jnc .zero_bit |
||
1931 | or al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
261 | hidnplayr | 1932 | .zero_bit: |
2434 | Serge | 1933 | out dx, ax |
1934 | push eax |
||
1935 | in ax, dx ; delay |
||
1936 | pop eax |
||
1937 | or al, (1 shl E3C59X_BIT_MGMT_CLK) ; write |
||
1938 | out dx, ax |
||
1939 | in ax, dx ; delay |
||
1940 | dec ecx |
||
1941 | jns .cmd_loop |
||
1942 | ret |
||
261 | hidnplayr | 1943 | |
1944 | ;*************************************************************************** |
||
1945 | ; Function |
||
1946 | ; e3c59x_transmit |
||
1947 | ; Description |
||
1948 | ; Transmits a packet of data via the ethernet card |
||
1949 | ; edi - Pointer to 48 bit destination address |
||
1950 | ; bx - Type of packet |
||
1951 | ; ecx - size of packet |
||
1952 | ; esi - pointer to packet data |
||
1953 | ; ebp - io_addr |
||
1954 | ; Destroyed registers |
||
1955 | ; eax, ecx, edx, ebp |
||
1956 | ; |
||
1957 | ;*************************************************************************** |
||
2434 | Serge | 1958 | align 4 |
261 | hidnplayr | 1959 | e3c59x_transmit: |
2434 | Serge | 1960 | jmp dword [e3c59x_transmit_function] |
261 | hidnplayr | 1961 | |
1962 | ;*************************************************************************** |
||
1963 | ; Function |
||
1964 | ; e3c59x_check_tx_status |
||
1965 | ; Description |
||
1966 | ; Checks TxStatus queue. |
||
1967 | ; Return value |
||
1968 | ; al - 0 no error was found |
||
1969 | ; al - 1 error was found TxReset is needed |
||
1970 | ; Destroyed registers |
||
1971 | ; eax, ecx, edx, ebp |
||
1972 | ; |
||
1973 | ;*************************************************************************** |
||
1974 | e3c59x_check_tx_status: |
||
2434 | Serge | 1975 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
261 | hidnplayr | 1976 | ; clear TxStatus queue |
2434 | Serge | 1977 | lea edx, [ebp+E3C59X_REG_TX_STATUS] |
1978 | mov cl, 31 ; max number of queue entries |
||
261 | hidnplayr | 1979 | .tx_status_loop: |
2434 | Serge | 1980 | in al, dx |
1981 | test al, al |
||
1982 | jz .finish ; no error |
||
1983 | test al, 0x3f |
||
1984 | jnz .finish ; error |
||
261 | hidnplayr | 1985 | .no_error_found: |
1986 | ; clear current TxStatus entry which advances the next one |
||
2434 | Serge | 1987 | xor al, al |
1988 | out dx, al |
||
1989 | dec cl |
||
1990 | jns .tx_status_loop |
||
261 | hidnplayr | 1991 | .finish: |
2434 | Serge | 1992 | ret |
261 | hidnplayr | 1993 | |
1994 | ;*************************************************************************** |
||
1995 | ; Function |
||
1996 | ; e3c59x_vortex_transmit |
||
1997 | ; Description |
||
1998 | ; Transmits a packet of data via the ethernet card |
||
1999 | ; edi - Pointer to 48 bit destination address |
||
2000 | ; bx - Type of packet |
||
2001 | ; ecx - size of packet |
||
2002 | ; esi - pointer to packet data |
||
2003 | ; ebp - io_addr |
||
2004 | ; Destroyed registers |
||
2005 | ; eax, edx, ecx, edi, esi, ebp |
||
2006 | ; |
||
2007 | ;*************************************************************************** |
||
2434 | Serge | 2008 | align 4 |
261 | hidnplayr | 2009 | e3c59x_vortex_transmit: |
2434 | Serge | 2010 | push ecx |
2011 | call e3c59x_check_tx_status |
||
2012 | pop ecx |
||
2013 | test al, al |
||
2014 | jz .no_error_found |
||
2015 | jmp e3c59x_tx_reset |
||
261 | hidnplayr | 2016 | .no_error_found: |
2017 | ; switch to register window 7 |
||
2434 | Serge | 2018 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2019 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+7 |
||
2020 | out dx, ax |
||
261 | hidnplayr | 2021 | ; check for master operation in progress |
2434 | Serge | 2022 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
2023 | in ax, dx |
||
2024 | test ah, 0x80 |
||
2025 | jnz .finish ; no DMA for sending |
||
261 | hidnplayr | 2026 | ; dword boundary correction |
2434 | Serge | 2027 | cmp ecx, E3C59X_MAX_ETH_FRAME_SIZE |
2028 | ja .finish ; packet is too long |
||
261 | hidnplayr | 2029 | ; write Frame Start Header |
2434 | Serge | 2030 | mov eax, ecx |
261 | hidnplayr | 2031 | ; add header length and extend the complete length to dword boundary |
2434 | Serge | 2032 | add eax, ETH_HLEN+3 |
2033 | and eax, not 3 |
||
2034 | lea edx, [ebp+E3C59X_REG_TX_DATA] |
||
2035 | out dx, eax |
||
261 | hidnplayr | 2036 | ; prepare the complete frame |
2434 | Serge | 2037 | push esi |
2038 | mov esi, edi |
||
2039 | mov edi, e3c59x_tx_buff |
||
2040 | zero_to_virt edi |
||
2041 | cld |
||
261 | hidnplayr | 2042 | ; copy destination address |
2434 | Serge | 2043 | movsd |
2044 | movsw |
||
261 | hidnplayr | 2045 | ; copy source address |
2434 | Serge | 2046 | mov esi, node_addr |
2047 | movsd |
||
2048 | movsw |
||
261 | hidnplayr | 2049 | ; copy packet type |
2434 | Serge | 2050 | mov [edi], bx |
2051 | add edi, 2 |
||
261 | hidnplayr | 2052 | ; copy packet data |
2434 | Serge | 2053 | pop esi |
2054 | push ecx |
||
2055 | shr ecx, 2 |
||
2056 | rep movsd |
||
2057 | pop ecx |
||
2058 | and ecx, 3 |
||
2059 | rep movsb |
||
2060 | mov ecx, eax |
||
261 | hidnplayr | 2061 | ; program frame address to be sent |
2434 | Serge | 2062 | lea edx, [ebp+E3C59X_REG_MASTER_ADDRESS] |
2063 | mov eax, e3c59x_tx_buff |
||
2064 | zero_to_dma eax |
||
2065 | out dx, eax |
||
261 | hidnplayr | 2066 | ; program frame length |
2434 | Serge | 2067 | lea edx, [ebp+E3C59X_REG_MASTER_LEN] |
2068 | mov eax, ecx |
||
2069 | out dx, ax |
||
261 | hidnplayr | 2070 | ; start DMA Down |
2434 | Serge | 2071 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2072 | mov ax, (10100b shl 11) + 1 ; StartDMADown |
||
2073 | out dx, ax |
||
261 | hidnplayr | 2074 | .finish: |
2434 | Serge | 2075 | ret |
261 | hidnplayr | 2076 | |
2077 | ;*************************************************************************** |
||
2078 | ; Function |
||
2079 | ; e3c59x_boomerang_transmit |
||
2080 | ; Description |
||
2081 | ; Transmits a packet of data via the ethernet card |
||
2082 | ; edi - Pointer to 48 bit destination address |
||
2083 | ; bx - Type of packet |
||
2084 | ; ecx - size of packet |
||
2085 | ; esi - pointer to packet data |
||
2086 | ; ebp - io_addr |
||
2087 | ; Destroyed registers |
||
2088 | ; eax, ebx, ecx, edx, esi, edi, ebp |
||
2089 | ; |
||
2090 | ;*************************************************************************** |
||
2434 | Serge | 2091 | align 4 |
261 | hidnplayr | 2092 | e3c59x_boomerang_transmit: |
2434 | Serge | 2093 | push ecx |
2094 | call e3c59x_check_tx_status |
||
2095 | pop ecx |
||
2096 | test al, al |
||
2097 | jz .no_error_found |
||
2098 | jmp e3c59x_tx_reset |
||
261 | hidnplayr | 2099 | .no_error_found: |
2434 | Serge | 2100 | cmp ecx, E3C59X_MAX_ETH_FRAME_SIZE |
2101 | ja .finish ; packet is too long |
||
261 | hidnplayr | 2102 | ; calculate descriptor address |
2434 | Serge | 2103 | mov eax, [e3c59x_prev_dpd] |
2104 | cmp eax, e3c59x_dpd_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_DPD_SIZE |
||
2105 | jb @f |
||
261 | hidnplayr | 2106 | ; wrap around |
2434 | Serge | 2107 | mov eax, e3c59x_dpd_buff-E3C59X_DPD_SIZE |
261 | hidnplayr | 2108 | @@: |
2434 | Serge | 2109 | add eax, E3C59X_DPD_SIZE |
2110 | zero_to_virt eax |
||
2111 | push eax |
||
261 | hidnplayr | 2112 | ; check DnListPtr |
2434 | Serge | 2113 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
2114 | in eax, dx |
||
261 | hidnplayr | 2115 | ; mark if Dn_List_Ptr is cleared |
2434 | Serge | 2116 | test eax, eax |
2117 | setz [e3c59x_dn_list_ptr_cleared] |
||
261 | hidnplayr | 2118 | ; finish if no more free descriptor is available - FIXME! |
2434 | Serge | 2119 | cmp eax, [esp] |
2120 | pop eax |
||
2121 | jz .finish |
||
2122 | push eax esi |
||
2123 | mov esi, edi |
||
261 | hidnplayr | 2124 | ; calculate tx_buffer address |
2434 | Serge | 2125 | mov edi, [e3c59x_prev_tx_frame] |
2126 | cmp edi, e3c59x_tx_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_MAX_ETH_FRAME_SIZE |
||
2127 | jb @f |
||
261 | hidnplayr | 2128 | ; wrap around |
2434 | Serge | 2129 | mov edi, e3c59x_tx_buff-E3C59X_MAX_ETH_FRAME_SIZE |
261 | hidnplayr | 2130 | @@: |
2434 | Serge | 2131 | add edi, E3C59X_MAX_ETH_FRAME_SIZE |
2132 | zero_to_virt edi |
||
2133 | mov eax, edi |
||
2134 | cld |
||
261 | hidnplayr | 2135 | ; copy destination address |
2434 | Serge | 2136 | movsd |
2137 | movsw |
||
261 | hidnplayr | 2138 | ; copy source address |
2434 | Serge | 2139 | mov esi, node_addr |
2140 | movsd |
||
2141 | movsw |
||
261 | hidnplayr | 2142 | ; copy packet type |
2434 | Serge | 2143 | mov [edi], bx |
2144 | add edi, 2 |
||
261 | hidnplayr | 2145 | ; copy packet data |
2434 | Serge | 2146 | pop esi |
2147 | push ecx |
||
2148 | shr ecx, 2 |
||
2149 | rep movsd |
||
2150 | pop ecx |
||
2151 | push ecx |
||
2152 | and ecx, 3 |
||
2153 | rep movsb |
||
261 | hidnplayr | 2154 | ; padding, do we really need it? |
2434 | Serge | 2155 | pop ecx |
2156 | add ecx, ETH_HLEN |
||
2157 | cmp ecx, ETH_ZLEN |
||
2158 | jae @f |
||
2159 | mov ecx, ETH_ZLEN |
||
261 | hidnplayr | 2160 | @@: |
2161 | ; calculate |
||
2434 | Serge | 2162 | mov ebx, ecx |
2163 | ;test byte [e3c59x_has_hwcksm], 0xff |
||
2164 | ;jz @f |
||
2165 | ;or ebx, (1 shl 26) ; set AddTcpChecksum |
||
1288 | tsdima | 2166 | ;@@: |
2434 | Serge | 2167 | or ebx, 0x8000 ; transmission complete notification |
2168 | or ecx, 0x80000000 ; last fragment |
||
261 | hidnplayr | 2169 | ; program DPD |
2434 | Serge | 2170 | mov edi, eax |
2171 | pop eax |
||
2172 | and dword [eax+E3C59X_DPD_DN_NEXT_PTR], 0 |
||
2173 | mov dword [eax+E3C59X_DPD_FRAME_START_HDR], ebx |
||
2174 | virt_to_dma edi |
||
2175 | mov dword [eax+E3C59X_DPD_DN_FRAG_ADDR], edi |
||
2176 | mov [eax+E3C59X_DPD_DN_FRAG_LEN], ecx |
||
261 | hidnplayr | 2177 | ; calculate physical address |
2434 | Serge | 2178 | virt_to_dma eax |
2179 | push eax |
||
2180 | cmp byte [e3c59x_dn_list_ptr_cleared], 0 |
||
2181 | jz .add_to_list |
||
261 | hidnplayr | 2182 | ; write Dn_List_Ptr |
2434 | Serge | 2183 | out dx, eax |
2184 | jmp .finish |
||
261 | hidnplayr | 2185 | .add_to_list: |
2186 | ; DnStall |
||
2434 | Serge | 2187 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2188 | mov ax, ((110b shl 11)+2) |
||
2189 | out dx, ax |
||
261 | hidnplayr | 2190 | ; wait for DnStall to complete |
2434 | Serge | 2191 | mov ecx, 6000 |
261 | hidnplayr | 2192 | .wait_for_stall: |
2434 | Serge | 2193 | in ax, dx ; read E3C59X_REG_INT_STATUS |
2194 | test ah, 10000b |
||
2195 | jz .dnstall_ok |
||
2196 | dec ecx |
||
2197 | jnz .wait_for_stall |
||
261 | hidnplayr | 2198 | .dnstall_ok: |
2434 | Serge | 2199 | pop eax |
2200 | push eax |
||
2201 | mov ebx, [e3c59x_prev_dpd] |
||
2202 | zero_to_virt ebx |
||
2203 | mov [ebx], eax |
||
2204 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
||
2205 | in eax, dx |
||
2206 | test eax, eax |
||
2207 | jnz .dnunstall |
||
261 | hidnplayr | 2208 | ; if Dn_List_Ptr has been cleared fill it up |
2434 | Serge | 2209 | pop eax |
2210 | push eax |
||
2211 | out dx, eax |
||
261 | hidnplayr | 2212 | .dnunstall: |
2213 | ; DnUnStall |
||
2434 | Serge | 2214 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2215 | mov ax, ((110b shl 11)+3) |
||
2216 | out dx, ax |
||
261 | hidnplayr | 2217 | .finish: |
2434 | Serge | 2218 | pop eax |
2219 | dma_to_zero eax |
||
2220 | mov [e3c59x_prev_dpd], eax |
||
2221 | dma_to_zero edi |
||
2222 | mov [e3c59x_prev_tx_frame], edi |
||
2223 | ret |
||
261 | hidnplayr | 2224 | |
2225 | ;*************************************************************************** |
||
2226 | ; Function |
||
2227 | ; e3c59x_poll |
||
2228 | ; Description |
||
2229 | ; Polls the ethernet card for a received packet |
||
2230 | ; Received data, if any, ends up in Ether_buffer |
||
2231 | ; Destroyed registers |
||
2232 | ; eax, ebx, edx, ecx, edi, esi, ebp |
||
2233 | ; |
||
2234 | ;*************************************************************************** |
||
2434 | Serge | 2235 | align 4 |
261 | hidnplayr | 2236 | e3c59x_poll: |
2434 | Serge | 2237 | jmp dword [e3c59x_receive_function] |
261 | hidnplayr | 2238 | |
2239 | ;*************************************************************************** |
||
2240 | ; Function |
||
2241 | ; e3c59x_vortex_poll |
||
2242 | ; Description |
||
2243 | ; Polls the ethernet card for a received packet |
||
2244 | ; Received data, if any, ends up in Ether_buffer |
||
2245 | ; Parameters |
||
2246 | ; ebp - io_addr |
||
2247 | ; Return value |
||
2248 | ; al - 0 ; no packet received |
||
2249 | ; al - 1 ; packet received |
||
2250 | ; Destroyed registers |
||
2251 | ; eax, ebx, edx, ecx, edi, esi, ebp |
||
2252 | ; |
||
2253 | ;*************************************************************************** |
||
2434 | Serge | 2254 | align 4 |
261 | hidnplayr | 2255 | e3c59x_vortex_poll: |
2434 | Serge | 2256 | and word [eth_rx_data_len], 0 ; assume no packet received |
2257 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
||
261 | hidnplayr | 2258 | .rx_status_loop: |
2259 | ; examine RxStatus |
||
2434 | Serge | 2260 | lea edx, [ebp+E3C59X_REG_RX_STATUS] |
2261 | in ax, dx |
||
2262 | test ax, ax |
||
2263 | jz .finish |
||
2264 | test ah, 0x80 ; rxIncomplete |
||
2265 | jz .check_error |
||
2266 | jmp .finish |
||
261 | hidnplayr | 2267 | .check_error: |
2434 | Serge | 2268 | test ah, 0x40 |
2269 | jz .check_length |
||
261 | hidnplayr | 2270 | ; discard the top frame received advancing the next one |
2434 | Serge | 2271 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2272 | mov ax, (01000b shl 11) |
||
2273 | out dx, ax |
||
2274 | jmp .rx_status_loop |
||
261 | hidnplayr | 2275 | .check_length: |
2434 | Serge | 2276 | and eax, 0x1fff |
2277 | cmp eax, E3C59X_MAX_ETH_PKT_SIZE |
||
2278 | ja .discard_frame ; frame is too long discard it |
||
261 | hidnplayr | 2279 | .check_dma: |
2434 | Serge | 2280 | push eax |
261 | hidnplayr | 2281 | ; switch to register window 7 |
2434 | Serge | 2282 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2283 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+7 |
||
2284 | out dx, ax |
||
261 | hidnplayr | 2285 | ; check for master operation in progress |
2434 | Serge | 2286 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
2287 | in ax, dx |
||
2288 | test ah, 0x80 |
||
2289 | jz .read_frame ; no DMA for receiving |
||
2290 | pop eax |
||
2291 | jmp .finish |
||
261 | hidnplayr | 2292 | .read_frame: |
2293 | ; program buffer address to read in |
||
2434 | Serge | 2294 | lea edx, [ebp+E3C59X_REG_MASTER_ADDRESS] |
261 | hidnplayr | 2295 | if defined E3C59X_LINUX |
2434 | Serge | 2296 | mov eax, e3c59x_rx_buff |
2297 | zero_to_dma eax |
||
261 | hidnplayr | 2298 | else |
2434 | Serge | 2299 | mov eax, Ether_buffer |
261 | hidnplayr | 2300 | end if |
2434 | Serge | 2301 | out dx, eax |
261 | hidnplayr | 2302 | ; program frame length |
2434 | Serge | 2303 | lea edx, [ebp+E3C59X_REG_MASTER_LEN] |
2304 | mov ax, 1560 |
||
2305 | out dx, ax |
||
261 | hidnplayr | 2306 | ; start DMA Up |
2434 | Serge | 2307 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2308 | mov ax, (10100b shl 11) ; StartDMAUp |
||
2309 | out dx, ax |
||
261 | hidnplayr | 2310 | ; check for master operation in progress |
2311 | .dma_loop: |
||
2434 | Serge | 2312 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
2313 | in ax, dx |
||
2314 | test ah, 0x80 |
||
2315 | jnz .dma_loop |
||
261 | hidnplayr | 2316 | ; registrate the received packet length |
2434 | Serge | 2317 | pop eax |
2318 | mov word [eth_rx_data_len], ax |
||
261 | hidnplayr | 2319 | ; discard the top frame received |
2320 | .discard_frame: |
||
2434 | Serge | 2321 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2322 | mov ax, (01000b shl 11) |
||
2323 | out dx, ax |
||
261 | hidnplayr | 2324 | .finish: |
2325 | ; set return value |
||
2434 | Serge | 2326 | cmp word [eth_rx_data_len], 0 |
2327 | setne al |
||
2328 | ret |
||
261 | hidnplayr | 2329 | |
2330 | ;*************************************************************************** |
||
2331 | ; Function |
||
2332 | ; e3c59x_boomerang_poll |
||
2333 | ; Description |
||
2334 | ; Polls the ethernet card for a received packet |
||
2335 | ; Received data, if any, ends up in Ether_buffer |
||
2336 | ; Parameters |
||
2337 | ; ebp - io_addr |
||
2338 | ; Return value |
||
2339 | ; al - 0 ; no packet received |
||
2340 | ; al - 1 ; packet received |
||
2341 | ; Destroyed registers |
||
2342 | ; eax, edx, ecx, edi, esi, ebp |
||
2343 | ; |
||
2344 | ;*************************************************************************** |
||
2434 | Serge | 2345 | align 4 |
261 | hidnplayr | 2346 | e3c59x_boomerang_poll: |
2434 | Serge | 2347 | and word [eth_rx_data_len], 0 ; assume no packet received |
2348 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
||
261 | hidnplayr | 2349 | ; check if packet is uploaded |
2434 | Serge | 2350 | mov eax, [e3c59x_curr_upd] |
2351 | test byte [eax+E3C59X_UPD_PKT_STATUS+1], 0x80 ; upPktComplete |
||
2352 | jnz .check_error |
||
2353 | jmp .finish |
||
261 | hidnplayr | 2354 | ; packet is uploaded check for any error |
2355 | .check_error: |
||
2434 | Serge | 2356 | test byte [eax+E3C59X_UPD_PKT_STATUS+1], 0x40 ; upError |
2357 | jz .copy_packet_length |
||
2358 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2359 | jmp .finish |
||
261 | hidnplayr | 2360 | .copy_packet_length: |
2434 | Serge | 2361 | mov ecx, [eax+E3C59X_UPD_PKT_STATUS] |
2362 | and ecx, 0x1fff |
||
2363 | cmp ecx, E3C59X_MAX_ETH_PKT_SIZE |
||
2364 | jbe .copy_packet |
||
2365 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2366 | jmp .finish |
||
261 | hidnplayr | 2367 | .copy_packet: |
2434 | Serge | 2368 | push ecx |
2369 | mov word [eth_rx_data_len], cx |
||
2370 | mov esi, [eax+E3C59X_UPD_UP_FRAG_ADDR] |
||
2371 | dma_to_virt esi |
||
2372 | mov edi, Ether_buffer |
||
2373 | shr ecx, 2 ; first copy dword-wise |
||
2374 | cld |
||
2375 | rep movsd ; copy the dwords |
||
2376 | pop ecx |
||
2377 | and ecx, 3 |
||
2378 | rep movsb ; copy the rest bytes |
||
2379 | mov eax, [e3c59x_curr_upd] |
||
2380 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2381 | virt_to_zero eax |
||
2382 | cmp eax, e3c59x_upd_buff+(E3C59X_NUM_RX_DESC-1)*E3C59X_UPD_SIZE |
||
2383 | jb .no_wrap |
||
261 | hidnplayr | 2384 | ; wrap around |
2434 | Serge | 2385 | mov eax, e3c59x_upd_buff-E3C59X_UPD_SIZE |
261 | hidnplayr | 2386 | .no_wrap: |
2434 | Serge | 2387 | add eax, E3C59X_UPD_SIZE |
2388 | zero_to_virt eax |
||
2389 | mov [e3c59x_curr_upd], eax |
||
261 | hidnplayr | 2390 | .finish: |
2391 | ; check if the NIC is in the upStall state |
||
2434 | Serge | 2392 | lea edx, [ebp+E3C59X_REG_UP_PKT_STATUS] |
2393 | in eax, dx |
||
2394 | test ah, 0x20 ; UpStalled |
||
2395 | jz .noUpUnStall |
||
261 | hidnplayr | 2396 | ; issue upUnStall command |
2434 | Serge | 2397 | lea edx, [ebp+E3C59X_REG_COMMAND] |
2398 | mov ax, ((110b shl 11)+1) ; upUnStall |
||
2399 | out dx, ax |
||
261 | hidnplayr | 2400 | .noUpUnStall: |
2401 | ; set return value |
||
2434 | Serge | 2402 | cmp word [eth_rx_data_len], 0 |
2403 | setnz al |
||
2404 | ret>> |