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Rev | Author | Line No. | Line |
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261 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1519 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2010. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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1237 | clevermous | 6 | ;; Ethernet driver for KolibriOS ;; |
7 | ;; This is an adaptation of MenuetOS driver with minimal changes. ;; |
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8 | ;; Changes were made by CleverMouse. Original copyright follows. ;; |
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261 | hidnplayr | 9 | ;; ;; |
10 | ;; This driver is based on the SIS900 driver from ;; |
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11 | ;; the etherboot 5.0.6 project. The copyright statement is ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;; remaining parts Copyright 2004 Jason Delozier, ;; |
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17 | ;; cordata51@hotmail.com ;; |
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18 | ;; ;; |
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19 | ;; See file COPYING for details ;; |
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20 | ;; ;; |
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21 | ;; Updates: ;; |
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22 | ;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;; |
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23 | ;; ;; |
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24 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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593 | mikedld | 25 | |
1237 | clevermous | 26 | format MS COFF |
593 | mikedld | 27 | |
1237 | clevermous | 28 | API_VERSION equ 0x01000100 |
1519 | hidnplayr | 29 | DRIVER_VERSION equ 5 |
1237 | clevermous | 30 | |
1519 | hidnplayr | 31 | MAX_DEVICES equ 16 |
32 | |||
1237 | clevermous | 33 | DEBUG equ 1 |
34 | __DEBUG__ equ 1 |
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35 | __DEBUG_LEVEL__ equ 1 |
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36 | |||
37 | include 'proc32.inc' |
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38 | include 'imports.inc' |
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39 | include 'fdo.inc' |
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1514 | hidnplayr | 40 | include 'netdrv.inc' |
1237 | clevermous | 41 | |
42 | public START |
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43 | public version |
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44 | |||
1519 | hidnplayr | 45 | NUM_RX_DESC equ 4 ;* Number of RX descriptors * |
46 | NUM_TX_DESC equ 1 ;* Number of TX descriptors * |
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47 | RX_BUFF_SZ equ 1520 ;* Buffer size for each Rx buffer * |
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48 | TX_BUFF_SZ equ 1516 ;* Buffer size for each Tx buffer * |
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49 | MAX_ETH_FRAME_SIZE equ 1516 |
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1237 | clevermous | 50 | |
1519 | hidnplayr | 51 | virtual at ebx |
1514 | hidnplayr | 52 | device: |
53 | |||
54 | ETH_DEVICE |
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55 | |||
1519 | hidnplayr | 56 | .io_addr dd ? |
57 | .pci_bus db ? |
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58 | .pci_dev db ? |
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59 | .irq_line db ? |
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60 | .cur_rx db ? |
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61 | .cur_tx db ? |
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62 | .last_tx db ? |
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63 | .pci_revision db ? |
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64 | .table_entries db ? |
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1237 | clevermous | 65 | |
1519 | hidnplayr | 66 | dw ? ; align 4 |
1237 | clevermous | 67 | |
1519 | hidnplayr | 68 | .special_func dd ? |
1237 | clevermous | 69 | |
1519 | hidnplayr | 70 | .txd rd (4 * NUM_TX_DESC) |
71 | .rxd rd (4 * NUM_RX_DESC) |
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1237 | clevermous | 72 | |
1519 | hidnplayr | 73 | .size = $ - device |
1237 | clevermous | 74 | |
1519 | hidnplayr | 75 | end virtual |
76 | |||
77 | macro ee_delay { |
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78 | push eax |
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79 | in eax, dx |
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80 | in eax, dx |
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81 | in eax, dx |
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82 | in eax, dx |
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83 | in eax, dx |
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84 | in eax, dx |
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85 | in eax, dx |
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86 | in eax, dx |
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87 | in eax, dx |
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88 | in eax, dx |
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89 | pop eax |
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90 | } |
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91 | |||
92 | |||
1237 | clevermous | 93 | section '.flat' code readable align 16 |
94 | |||
95 | ; Driver entry point - register our service when the driver is loading. |
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96 | ; TODO: add needed operations when unloading |
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97 | START: |
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98 | cmp dword [esp+4], 1 |
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99 | jne .exit |
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1254 | hidnplayr | 100 | stdcall RegService, my_service, service_proc |
1237 | clevermous | 101 | ret 4 |
102 | .exit: |
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103 | xor eax, eax |
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104 | ret 4 |
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105 | |||
106 | ; Service procedure for the driver - handle all I/O requests for the driver. |
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107 | ; Currently handled requests are: SRV_GETVERSION = 0 and SRV_HOOK = 1. |
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108 | service_proc: |
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109 | ; 1. Get parameter from the stack: [esp+4] is the first parameter, |
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1254 | hidnplayr | 110 | ; pointer to IOCTL structure. |
1237 | clevermous | 111 | mov edx, [esp+4] ; edx -> IOCTL |
112 | ; 2. Get request code and select a handler for the code. |
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1519 | hidnplayr | 113 | mov eax, [IOCTL.io_code] |
1237 | clevermous | 114 | test eax, eax ; check for SRV_GETVERSION |
115 | jnz @f |
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116 | ; 3. This is SRV_GETVERSION request, no input, 4 bytes output, API_VERSION. |
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117 | ; 3a. Output size must be at least 4 bytes. |
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1519 | hidnplayr | 118 | cmp [IOCTL.out_size], 4 |
1237 | clevermous | 119 | jl .fail |
120 | ; 3b. Write result to the output buffer. |
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1519 | hidnplayr | 121 | mov eax, [IOCTL.output] |
1237 | clevermous | 122 | mov [eax], dword API_VERSION |
123 | ; 3c. Return success. |
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124 | xor eax, eax |
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125 | ret 4 |
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126 | @@: |
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127 | dec eax ; check for SRV_HOOK |
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128 | jnz .fail |
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129 | ; 4. This is SRV_HOOK request, input defines the device to hook, no output. |
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130 | ; 4a. The driver works only with PCI devices, |
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1254 | hidnplayr | 131 | ; so input must be at least 3 bytes long. |
1519 | hidnplayr | 132 | cmp [IOCTL.inp_size], 3 |
1237 | clevermous | 133 | jl .fail |
134 | ; 4b. First byte of input is bus type, 1 stands for PCI. |
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1519 | hidnplayr | 135 | mov eax, [IOCTL.input] |
1237 | clevermous | 136 | cmp byte [eax], 1 |
137 | jne .fail |
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138 | ; 4c. Second and third bytes of the input define the device: bus and dev. |
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1254 | hidnplayr | 139 | ; Word in bx holds both bytes. |
1237 | clevermous | 140 | mov bx, [eax+1] |
141 | ; 4d. Check if the device was already hooked, |
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1254 | hidnplayr | 142 | ; scan through the list of known devices. |
1519 | hidnplayr | 143 | ; check if the device is already listed |
144 | mov esi, device_list |
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145 | mov ecx, [devices] |
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1237 | clevermous | 146 | test ecx, ecx |
147 | jz .firstdevice |
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1519 | hidnplayr | 148 | |
149 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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150 | mov ax , [eax+1] ; |
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1237 | clevermous | 151 | .nextdevice: |
1519 | hidnplayr | 152 | mov ebx, [esi] |
153 | cmp ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte) |
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154 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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155 | add esi, 4 |
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1237 | clevermous | 156 | loop .nextdevice |
157 | ; 4e. This device doesn't have its own eth_device structure yet, let's create one |
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158 | .firstdevice: |
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159 | ; 4f. Check that we have place for new device. |
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1519 | hidnplayr | 160 | cmp [devices], MAX_DEVICES |
1237 | clevermous | 161 | jge .fail |
162 | ; 4g. Allocate memory for device descriptor and receive+transmit buffers. |
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1519 | hidnplayr | 163 | stdcall KernelAlloc, device.size |
1237 | clevermous | 164 | test eax, eax |
165 | jz .fail |
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166 | ; 4h. Zero the structure. |
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167 | mov edi, eax |
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168 | mov ecx, (device.size + 3) shr 2 |
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169 | xor eax, eax |
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170 | rep stosd |
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1519 | hidnplayr | 171 | ; 4i. Save PCI coordinates |
172 | mov eax, [IOCTL.input] |
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173 | mov cl , [eax+1] |
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174 | mov [device.pci_bus], cl |
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175 | mov cl , [eax+2] |
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176 | mov [device.pci_dev], cl |
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1237 | clevermous | 177 | ; 4j. Fill in the direct call addresses into the struct. |
1519 | hidnplayr | 178 | ; Note that get_MAC pointer is filled in initialization by probe. |
179 | mov [device.reset], init |
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180 | mov [device.transmit], transmit |
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181 | ; mov [device.get_MAC], read_mac |
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182 | mov [device.set_MAC], write_mac |
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183 | mov [device.unload], unload |
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184 | mov [device.name], my_service |
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1237 | clevermous | 185 | |
186 | ; 4k. Now, it's time to find the base io addres of the PCI device |
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187 | ; TODO: implement check if bus and dev exist on this machine |
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188 | |||
1519 | hidnplayr | 189 | ; Now, it's time to find the base io addres of the PCI device |
190 | find_io [device.pci_bus], [device.pci_dev], [device.io_addr] |
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1237 | clevermous | 191 | |
1519 | hidnplayr | 192 | ; We've found the io address, find IRQ now |
193 | find_irq [device.pci_bus], [device.pci_dev], [device.irq_line] |
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1237 | clevermous | 194 | |
195 | ; 4m. Add new device to the list (required for int_handler). |
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1519 | hidnplayr | 196 | mov eax, [devices] |
197 | mov [device_list+4*eax], ebx |
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198 | inc [devices] |
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1237 | clevermous | 199 | |
200 | ; 4m. Ok, the eth_device structure is ready, let's probe the device |
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1519 | hidnplayr | 201 | call probe |
1237 | clevermous | 202 | test eax, eax |
203 | jnz .destroy |
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204 | ; 4n. If device was successfully initialized, register it for the kernel. |
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205 | |||
1514 | hidnplayr | 206 | mov [device.type], NET_TYPE_ETH |
207 | call NetRegDev |
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208 | |||
1237 | clevermous | 209 | cmp eax, -1 |
210 | je .destroy |
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211 | |||
212 | ret 4 |
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213 | |||
214 | ; 5. If the device was already loaded, find the device number and return it in eax |
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215 | |||
216 | .find_devicenum: |
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217 | mov ebx, eax |
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1514 | hidnplayr | 218 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
1237 | clevermous | 219 | ; into a device number in edi |
220 | mov eax, edi ; Application wants it in eax instead |
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221 | ret 4 |
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222 | |||
223 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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224 | |||
225 | .destroy: |
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1519 | hidnplayr | 226 | dec [devices] |
1237 | clevermous | 227 | ; todo: reset device into virgin state |
228 | |||
229 | .err: |
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230 | stdcall KernelFree, ebx |
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231 | |||
232 | |||
233 | .fail: |
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234 | xor eax, eax |
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235 | ret 4 |
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236 | |||
237 | |||
238 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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239 | ;; ;; |
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240 | ;; Actual Hardware dependent code starts here ;; |
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241 | ;; ;; |
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242 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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243 | |||
244 | unload: |
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245 | ; TODO: (in this particular order) |
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246 | ; |
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247 | ; - Stop the device |
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248 | ; - Detach int handler |
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249 | ; - Remove device from local list |
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250 | ; - call unregister function in kernel |
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251 | ; - Remove all allocated structures and buffers the card used |
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252 | |||
253 | or eax,-1 |
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254 | |||
255 | ret |
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256 | |||
261 | hidnplayr | 257 | ;******************************************************************** |
258 | ; Comments: |
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259 | ; Known to work with the following SIS900 ethernet cards: |
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260 | ; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x91 |
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261 | ; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x90 |
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262 | ; |
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263 | ; If your card is not listed, try it and let me know if it |
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264 | ; functions properly and it will be aded to the list. If not |
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265 | ; we may be able to add support for it. |
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266 | ; |
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267 | ; ToDo: |
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268 | ; - Enable MII interface for reading speed |
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269 | ; and duplex settings. |
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1519 | hidnplayr | 270 | ; - Update receive routine to support packet fragmentation. |
261 | hidnplayr | 271 | ; - Add additional support for other sis900 based cards |
272 | ; |
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273 | ;******************************************************************** |
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274 | |||
1519 | hidnplayr | 275 | ETH_ALEN equ 6 ; Size of Ethernet address |
276 | ETH_HLEN equ 14 ; Size of ethernet header |
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277 | ETH_ZLEN equ 60 ; Minimum packet length |
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278 | DSIZE equ 0x00000fff |
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279 | CRC_SIZE equ 4 |
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280 | RFADDR_shift equ 16 |
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261 | hidnplayr | 281 | |
1519 | hidnplayr | 282 | ; Symbolic offsets to registers. |
283 | cr equ 0x0 ; Command Register |
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284 | cfg equ 0x4 ; Configuration Register |
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285 | mear equ 0x8 ; EEPROM Access Register |
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286 | ptscr equ 0xc ; PCI Test Control Register |
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287 | isr equ 0x10 ; Interrupt Status Register |
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288 | imr equ 0x14 ; Interrupt Mask Register |
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289 | ier equ 0x18 ; Interrupt Enable Register |
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290 | epar equ 0x18 ; Enhanced PHY Access Register |
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291 | txdp equ 0x20 ; Transmit Descriptor Pointer Register |
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292 | txcfg equ 0x24 ; Transmit Configuration Register |
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293 | rxdp equ 0x30 ; Receive Descriptor Pointer Register |
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294 | rxcfg equ 0x34 ; Receive Configuration Register |
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295 | flctrl equ 0x38 ; Flow Control Register |
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296 | rxlen equ 0x3c ; Receive Packet Length Register |
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297 | rfcr equ 0x48 ; Receive Filter Control Register |
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298 | rfdr equ 0x4C ; Receive Filter Data Register |
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299 | pmctrl equ 0xB0 ; Power Management Control Register |
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300 | pmer equ 0xB4 ; Power Management Wake-up Event Register |
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301 | |||
302 | ; Command Register Bits |
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303 | RELOAD equ 0x00000400 |
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304 | ACCESSMODE equ 0x00000200 |
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305 | RESET equ 0x00000100 |
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306 | SWI equ 0x00000080 |
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307 | RxRESET equ 0x00000020 |
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308 | TxRESET equ 0x00000010 |
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309 | RxDIS equ 0x00000008 |
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310 | RxENA equ 0x00000004 |
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311 | TxDIS equ 0x00000002 |
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312 | TxENA equ 0x00000001 |
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313 | |||
314 | ; Configuration Register Bits |
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315 | DESCRFMT equ 0x00000100 ; 7016 specific |
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316 | REQALG equ 0x00000080 |
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317 | SB equ 0x00000040 |
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318 | POW equ 0x00000020 |
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319 | EXD equ 0x00000010 |
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320 | PESEL equ 0x00000008 |
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321 | LPM equ 0x00000004 |
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322 | BEM equ 0x00000001 |
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323 | RND_CNT equ 0x00000400 |
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324 | FAIR_BACKOFF equ 0x00000200 |
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325 | EDB_MASTER_EN equ 0x00002000 |
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326 | |||
327 | ; Eeprom Access Reigster Bits |
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328 | MDC equ 0x00000040 |
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329 | MDDIR equ 0x00000020 |
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330 | MDIO equ 0x00000010 ; 7016 specific |
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331 | EECS equ 0x00000008 |
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332 | EECLK equ 0x00000004 |
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333 | EEDO equ 0x00000002 |
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334 | EEDI equ 0x00000001 |
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335 | |||
336 | ; TX Configuration Register Bits |
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337 | ATP equ 0x10000000 ;Automatic Transmit Padding |
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338 | MLB equ 0x20000000 ;Mac Loopback Enable |
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339 | HBI equ 0x40000000 ;HeartBeat Ignore (Req for full-dup) |
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340 | CSI equ 0x80000000 ;CarrierSenseIgnore (Req for full-du |
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341 | |||
342 | ; RX Configuration Register Bits |
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343 | AJAB equ 0x08000000 ; |
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344 | ATX equ 0x10000000 ;Accept Transmit Packets |
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345 | ARP equ 0x40000000 ;accept runt packets (<64bytes) |
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346 | AEP equ 0x80000000 ;accept error packets |
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347 | |||
348 | ; Interrupt Reigster Bits |
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349 | WKEVT equ 0x10000000 |
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350 | TxPAUSEEND equ 0x08000000 |
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351 | TxPAUSE equ 0x04000000 |
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352 | TxRCMP equ 0x02000000 |
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353 | RxRCMP equ 0x01000000 |
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354 | DPERR equ 0x00800000 |
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355 | SSERR equ 0x00400000 |
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356 | RMABT equ 0x00200000 |
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357 | RTABT equ 0x00100000 |
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358 | RxSOVR equ 0x00010000 |
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359 | HIBERR equ 0x00008000 |
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360 | SWINT equ 0x00001000 |
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361 | MIBINT equ 0x00000800 |
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362 | TxURN equ 0x00000400 |
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363 | TxIDLE equ 0x00000200 |
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364 | TxERR equ 0x00000100 |
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365 | TxDESC equ 0x00000080 |
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366 | TxOK equ 0x00000040 |
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367 | RxORN equ 0x00000020 |
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368 | RxIDLE equ 0x00000010 |
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369 | RxEARLY equ 0x00000008 |
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370 | RxERR equ 0x00000004 |
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371 | RxDESC equ 0x00000002 |
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372 | RxOK equ 0x00000001 |
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373 | |||
374 | ; Interrupt Enable Register Bits |
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375 | IE equ RxOK + TxOK |
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376 | |||
377 | ; Revision ID |
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378 | SIS900B_900_REV equ 0x03 |
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379 | SIS630A_900_REV equ 0x80 |
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380 | SIS630E_900_REV equ 0x81 |
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381 | SIS630S_900_REV equ 0x82 |
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382 | SIS630EA1_900_REV equ 0x83 |
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383 | SIS630ET_900_REV equ 0x84 |
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384 | SIS635A_900_REV equ 0x90 |
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385 | SIS900_960_REV equ 0x91 |
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386 | |||
387 | ; Receive Filter Control Register Bits |
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388 | RFEN equ 0x80000000 |
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389 | RFAAB equ 0x40000000 |
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390 | RFAAM equ 0x20000000 |
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391 | RFAAP equ 0x10000000 |
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392 | RFPromiscuous equ 0x70000000 |
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393 | |||
394 | ; Reveive Filter Data Mask |
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395 | RFDAT equ 0x0000FFFF |
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396 | |||
397 | ; Eeprom Address |
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398 | EEPROMSignature equ 0x00 |
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399 | EEPROMVendorID equ 0x02 |
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400 | EEPROMDeviceID equ 0x03 |
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401 | EEPROMMACAddr equ 0x08 |
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402 | EEPROMChecksum equ 0x0b |
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403 | |||
261 | hidnplayr | 404 | ;The EEPROM commands include the alway-set leading bit. |
1519 | hidnplayr | 405 | EEread equ 0x0180 |
406 | EEwrite equ 0x0140 |
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407 | EEerase equ 0x01C0 |
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408 | EEwriteEnable equ 0x0130 |
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409 | EEwriteDisable equ 0x0100 |
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410 | EEeraseAll equ 0x0120 |
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411 | EEwriteAll equ 0x0110 |
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412 | EEaddrMask equ 0x013F |
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413 | EEcmdShift equ 16 |
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414 | |||
261 | hidnplayr | 415 | ;For SiS962 or SiS963, request the eeprom software access |
1519 | hidnplayr | 416 | EEREQ equ 0x00000400 |
417 | EEDONE equ 0x00000200 |
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418 | EEGNT equ 0x00000100 |
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261 | hidnplayr | 419 | |
1519 | hidnplayr | 420 | |
261 | hidnplayr | 421 | ;*************************************************************************** |
1519 | hidnplayr | 422 | ; |
423 | ; probe |
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424 | ; |
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425 | ; Searches for an ethernet card, enables it and clears the rx buffer |
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426 | ; |
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427 | ; TODO: probe mii transceivers |
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428 | ; |
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261 | hidnplayr | 429 | ;*************************************************************************** |
1519 | hidnplayr | 430 | align 4 |
431 | probe: |
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261 | hidnplayr | 432 | |
1519 | hidnplayr | 433 | stdcall PciWrite8, dword [device.pci_bus], dword [device.pci_dev], 0x40, 0 ; Wake Up Chip |
434 | |||
435 | make_bus_master [device.pci_bus], [device.pci_dev] |
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436 | |||
437 | ; Get Card Revision |
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438 | stdcall PciRead8, dword [device.pci_bus], dword [device.pci_dev], 0x08 |
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439 | mov [pci_revision], al ; save the revision for later use |
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440 | |||
441 | ; Look up through the specific_table |
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442 | mov esi, specific_table |
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443 | .loop: |
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444 | cmp dword [esi], 0 ; Check if we reached end of the list |
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445 | je .error |
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446 | cmp al, [esi] ; Check if revision is OK |
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447 | je .ok |
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448 | add esi, 12 ; Advance to next entry |
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449 | jmp .loop |
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450 | |||
451 | .error: |
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452 | DEBUGF 1, "Device not supported!\n" |
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453 | or eax, -1 |
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454 | ret |
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455 | |||
456 | ; Find Get Mac Function |
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457 | .ok: |
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458 | mov eax, [esi+4] ; Get pointer to "get MAC" function |
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459 | mov [get_mac_func], eax |
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460 | mov eax, [esi+8] ; Get pointer to special initialization fn |
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461 | mov [special_func], eax |
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462 | |||
463 | ; Get MAC |
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464 | call [get_mac_func] |
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465 | |||
466 | ; Call special initialization fn if requested |
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467 | |||
468 | cmp [special_func],0 |
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469 | je @f |
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470 | call [special_func] |
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471 | @@: |
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472 | |||
473 | ; Set table entries |
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474 | |||
475 | mov byte [table_entries], 16 |
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476 | cmp [pci_revision], SIS635A_900_REV |
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477 | jae @f |
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478 | cmp [pci_revision], SIS900B_900_REV |
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479 | je @f |
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480 | mov byte [table_entries], 8 |
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481 | @@: |
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482 | |||
483 | ; TODO: Probe for mii transceiver |
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484 | |||
485 | |||
261 | hidnplayr | 486 | ;*************************************************************************** |
487 | ; |
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1519 | hidnplayr | 488 | ; init |
489 | ; |
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490 | ; resets the ethernet controller chip and various |
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261 | hidnplayr | 491 | ; data structures required for sending and receiving packets. |
492 | ; |
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493 | ;*************************************************************************** |
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1519 | hidnplayr | 494 | align 4 |
495 | init: |
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496 | |||
497 | call reset |
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498 | call init_rxfilter |
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499 | call init_txd |
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500 | call init_rxd |
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501 | call set_rx_mode |
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502 | call set_tx_mode |
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503 | ;call check_mode |
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504 | |||
1237 | clevermous | 505 | ; enable interrupts on packet receive |
1519 | hidnplayr | 506 | |
1237 | clevermous | 507 | xor eax, eax |
1519 | hidnplayr | 508 | inc eax ; eax = 1 = RxOK |
509 | set_io 0 |
||
510 | set_io imr |
||
1237 | clevermous | 511 | out dx, eax |
1519 | hidnplayr | 512 | |
1237 | clevermous | 513 | ; globally enable interrupts |
1519 | hidnplayr | 514 | |
515 | set_io ier |
||
1254 | hidnplayr | 516 | out dx, eax ; eax is still 1 |
1237 | clevermous | 517 | xor eax, eax |
261 | hidnplayr | 518 | |
1519 | hidnplayr | 519 | mov [device.mtu], 1514 |
520 | |||
521 | ret |
||
522 | |||
261 | hidnplayr | 523 | ;*************************************************************************** |
524 | ; |
||
1519 | hidnplayr | 525 | ; reset |
526 | ; |
||
527 | ; disables interrupts and soft resets the controller chip |
||
528 | ; |
||
261 | hidnplayr | 529 | ;*************************************************************************** |
1519 | hidnplayr | 530 | align 4 |
531 | reset: |
||
532 | movzx eax, [device.irq_line] |
||
1254 | hidnplayr | 533 | stdcall AttachIntHandler, eax, int_handler, 0 |
261 | hidnplayr | 534 | |
1519 | hidnplayr | 535 | ;-------------------------------------------- |
536 | ; Disable Interrupts and reset Receive Filter |
||
537 | |||
538 | set_io 0 |
||
539 | set_io ier |
||
540 | xor eax, eax |
||
541 | out dx, eax |
||
542 | |||
543 | set_io imr |
||
544 | out dx, eax |
||
545 | |||
546 | set_io rfcr |
||
547 | out dx, eax |
||
548 | |||
549 | ;----------- |
||
550 | ; Reset Card |
||
551 | |||
552 | set_io cr |
||
553 | in eax, dx ; Get current Command Register |
||
554 | or eax, RESET + RxRESET + TxRESET ; set flags |
||
555 | out dx, eax ; Write new Command Register |
||
556 | |||
557 | ;---------- |
||
558 | ; Wait loop |
||
559 | |||
560 | set_io isr |
||
561 | mov ecx, 1000 |
||
562 | .loop: |
||
563 | dec ecx |
||
564 | jz .error |
||
565 | in eax, dx ; move interrup status to eax |
||
566 | cmp eax, 0x03000000 |
||
567 | jne .loop |
||
568 | |||
569 | ;------------------------------------------------------ |
||
570 | ; Set Configuration Register depending on Card Revision |
||
571 | |||
572 | set_io cfg |
||
573 | mov eax, PESEL ; Configuration Register Bit |
||
574 | cmp [pci_revision], SIS635A_900_REV |
||
575 | je .match |
||
576 | cmp [pci_revision], SIS900B_900_REV ; Check card revision |
||
577 | je .match |
||
578 | out dx, eax ; no revision match |
||
579 | jmp .done |
||
580 | |||
581 | .match: ; Revision match |
||
582 | or eax, RND_CNT ; Configuration Register Bit |
||
583 | out dx, eax |
||
584 | |||
585 | .done: |
||
586 | xor eax, eax |
||
587 | ret |
||
588 | |||
589 | .error: |
||
590 | DEBUGF 1, "Reset failed!\n" |
||
591 | or eax, -1 |
||
592 | ret |
||
593 | |||
594 | |||
261 | hidnplayr | 595 | ;*************************************************************************** |
596 | ; |
||
1519 | hidnplayr | 597 | ; sis_init_rxfilter |
261 | hidnplayr | 598 | ; |
1519 | hidnplayr | 599 | ; sets receive filter address to our MAC address |
261 | hidnplayr | 600 | ; |
601 | ;*************************************************************************** |
||
1519 | hidnplayr | 602 | align 4 |
603 | init_rxfilter: |
||
261 | hidnplayr | 604 | |
1519 | hidnplayr | 605 | ;------------------------------------ |
606 | ; Get Receive Filter Control Register |
||
607 | |||
608 | set_io 0 |
||
609 | set_io rfcr |
||
610 | in eax, dx |
||
611 | push eax |
||
612 | |||
613 | ;----------------------------------------------- |
||
614 | ; disable packet filtering before setting filter |
||
615 | |||
616 | and eax, not RFEN |
||
617 | out dx, eax |
||
618 | |||
619 | ;-------------------------------------- |
||
620 | ; load MAC addr to filter data register |
||
621 | |||
622 | xor ecx, ecx |
||
623 | RXINT_Mac_Write: ; high word of eax tells card which mac byte to write |
||
624 | mov eax, ecx |
||
625 | set_io 0 |
||
626 | set_io rfcr |
||
627 | shl eax, 16 ; |
||
628 | out dx, eax ; |
||
629 | set_io rfdr |
||
630 | mov ax, word [device.mac+ecx*2] ; Get Mac ID word |
||
631 | out dx, ax ; Send Mac ID |
||
632 | inc cl ; send next word |
||
633 | cmp cl, 3 ; more to send? |
||
634 | jne RXINT_Mac_Write |
||
635 | |||
636 | ;------------------------ |
||
637 | ; enable packet filtering |
||
638 | |||
639 | pop eax ;old register value |
||
640 | set_io rfcr |
||
641 | or eax, RFEN ;enable filtering |
||
642 | out dx, eax ;set register |
||
643 | |||
644 | ret |
||
645 | |||
261 | hidnplayr | 646 | ;*************************************************************************** |
1519 | hidnplayr | 647 | ; |
648 | ; init_txd |
||
649 | ; |
||
650 | ; initializes the Tx descriptor |
||
651 | ; |
||
261 | hidnplayr | 652 | ;*************************************************************************** |
1519 | hidnplayr | 653 | align 4 |
654 | init_txd: |
||
261 | hidnplayr | 655 | |
1519 | hidnplayr | 656 | ;------------------------- |
657 | ; initialize TX descriptor |
||
658 | |||
659 | mov dword [device.txd], 0 ; put link to next descriptor in link field |
||
660 | mov dword [device.txd+4], 0 ; clear status field |
||
661 | mov dword [device.txd+8], 0 ; ptr to buffer |
||
662 | |||
663 | ;---------------------------------- |
||
664 | ; load Transmit Descriptor Register |
||
665 | |||
666 | set_io 0 |
||
667 | set_io txdp ; TX Descriptor Pointer |
||
668 | lea eax, [device.txd] |
||
669 | GetRealAddr |
||
670 | out dx, eax ; move the pointer |
||
671 | |||
672 | ret |
||
673 | |||
261 | hidnplayr | 674 | ;*************************************************************************** |
1519 | hidnplayr | 675 | ; |
676 | ; init_rxd |
||
677 | ; |
||
678 | ; initializes the Rx descriptor ring |
||
679 | ; |
||
261 | hidnplayr | 680 | ;*************************************************************************** |
1519 | hidnplayr | 681 | align 4 |
682 | init_rxd: |
||
261 | hidnplayr | 683 | |
1519 | hidnplayr | 684 | ; init RX descriptors |
685 | mov ecx, NUM_RX_DESC |
||
686 | lea esi, [device.rxd] |
||
687 | |||
688 | .loop: |
||
689 | lea eax, [esi + 16] |
||
690 | GetRealAddr |
||
691 | mov dword [esi+0], eax |
||
692 | mov dword [esi+4], RX_BUFF_SZ |
||
693 | |||
694 | stdcall KernelAlloc, RX_BUFF_SZ |
||
695 | test eax, eax |
||
696 | jz .fail |
||
697 | mov dword [esi+12], eax |
||
698 | GetRealAddr |
||
699 | mov dword [esi+8], eax |
||
700 | add esi, 16 |
||
701 | loop .loop |
||
702 | |||
703 | lea eax, [device.rxd] |
||
704 | GetRealAddr |
||
705 | mov dword [esi - 16], eax ; correct last descriptor link ptr |
||
706 | |||
707 | ; And output ptr to first desc, to device |
||
708 | |||
709 | set_io 0 |
||
710 | set_io rxdp |
||
711 | out dx, eax |
||
712 | |||
713 | mov [device.cur_rx], 0 ; Set curent rx discriptor to 0 |
||
714 | |||
715 | .fail: ;;; TODO: abort instead! |
||
716 | ret |
||
717 | |||
718 | |||
261 | hidnplayr | 719 | ;*************************************************************************** |
1519 | hidnplayr | 720 | ; |
721 | ; set_tx_mode |
||
722 | ; |
||
723 | ; sets the transmit mode to allow for full duplex |
||
724 | ; |
||
725 | ; If you are having problems transmitting packet try changing the |
||
726 | ; Max DMA Burst, Possible settings are as follows: |
||
727 | ; |
||
728 | ; 0x00000000 = 512 bytes |
||
729 | ; 0x00100000 = 4 bytes |
||
730 | ; 0x00200000 = 8 bytes |
||
731 | ; 0x00300000 = 16 bytes |
||
732 | ; 0x00400000 = 32 bytes |
||
733 | ; 0x00500000 = 64 bytes |
||
734 | ; 0x00600000 = 128 bytes |
||
735 | ; 0x00700000 = 256 bytes |
||
736 | ; |
||
261 | hidnplayr | 737 | ;*************************************************************************** |
1519 | hidnplayr | 738 | align 4 |
739 | set_tx_mode: |
||
261 | hidnplayr | 740 | |
1519 | hidnplayr | 741 | set_io 0 |
742 | set_io cr |
||
743 | in eax, dx ; Get current Command Register |
||
744 | or eax, TxENA ; Enable Receive |
||
745 | out dx, eax |
||
746 | |||
747 | set_io txcfg ; Transmit config Register offset |
||
748 | mov eax, ATP + HBI + CSI +0x00600120 |
||
749 | ; allow automatic padding |
||
750 | ; allow heartbeat ignore |
||
751 | ; allow carrier sense ignore |
||
752 | ; Max DMA Burst (128 bytes) |
||
753 | ; TX Fill Threshold |
||
754 | ; TX Drain Threshold |
||
755 | out dx, eax |
||
756 | |||
757 | ret |
||
758 | |||
261 | hidnplayr | 759 | ;*************************************************************************** |
1519 | hidnplayr | 760 | ; |
761 | ; set_rx_mode |
||
762 | ; |
||
763 | ; sets the receive mode to accept all broadcast packets and packets |
||
764 | ; with our MAC address, and reject all multicast packets. Also allows |
||
765 | ; full-duplex |
||
766 | ; |
||
767 | ; If you are having problems receiving packet try changing the |
||
768 | ; Max DMA Burst, Possible settings are as follows: |
||
769 | ; |
||
770 | ; 0x00000000 = 512 bytes |
||
771 | ; 0x00100000 = 4 bytes |
||
772 | ; 0x00200000 = 8 bytes |
||
773 | ; 0x00300000 = 16 bytes |
||
774 | ; 0x00400000 = 32 bytes |
||
775 | ; 0x00500000 = 64 bytes |
||
776 | ; 0x00600000 = 128 bytes |
||
777 | ; 0x00700000 = 256 bytes |
||
778 | ; |
||
261 | hidnplayr | 779 | ;*************************************************************************** |
1519 | hidnplayr | 780 | align 4 |
781 | set_rx_mode: |
||
261 | hidnplayr | 782 | |
1519 | hidnplayr | 783 | ;---------------------------------------------- |
784 | ; update Multicast Hash Table in Receive Filter |
||
785 | |||
786 | xor cl, cl |
||
787 | .loop: |
||
788 | set_io 0 |
||
789 | set_io rfcr ; Receive Filter Control Reg offset |
||
790 | mov eax, 4 ; determine table entry |
||
791 | add al, cl |
||
792 | shl eax, 16 |
||
793 | out dx, eax ; tell card which entry to modify |
||
794 | |||
795 | set_io rfdr ; Receive Filter Control Reg offset |
||
796 | mov eax, 0xffff ; entry value |
||
797 | out dx, ax ; write value to table in card |
||
798 | |||
799 | inc cl ; next entry |
||
800 | cmp cl, [table_entries] |
||
801 | jl .loop |
||
802 | |||
803 | ;------------------------------------ |
||
804 | ; Set Receive Filter Control Register |
||
805 | |||
806 | set_io rfcr ; Receive Filter Control Register offset |
||
807 | mov eax, RFAAB + RFAAM + RFAAP + RFEN |
||
808 | ; accecpt all broadcast packets |
||
809 | ; accept all multicast packets |
||
810 | ; Accept all packets |
||
811 | ; enable receiver filter |
||
812 | out dx, eax |
||
813 | ;---------------- |
||
814 | ; Enable Receiver |
||
815 | |||
816 | set_io cr |
||
817 | in eax, dx ; Get current Command Register |
||
818 | or eax, RxENA ; Enable Receive |
||
819 | out dx, eax |
||
820 | |||
821 | ;------------------- |
||
822 | ; Configure Receiver |
||
823 | |||
824 | set_io rxcfg ; Receive Config Register offset |
||
825 | mov eax, ATX + 0x00600002 |
||
826 | ; Accept Transmit Packets |
||
827 | ; (Req for full-duplex and PMD Loopback) |
||
828 | ; Max DMA Burst |
||
829 | ; RX Drain Threshold, 8X8 bytes or 64bytes |
||
830 | out dx, eax |
||
831 | |||
832 | ret |
||
833 | |||
261 | hidnplayr | 834 | ;*************************************************************************** |
1519 | hidnplayr | 835 | ; |
836 | ; SIS960_get_mac_addr: - Get MAC address for SiS962 or SiS963 model |
||
837 | ; |
||
838 | ; SiS962 or SiS963 model, use EEPROM to store MAC address. |
||
839 | ; EEPROM is shared by LAN and 1394. |
||
840 | ; When access EEPROM, send EEREQ signal to hardware first, and wait for EEGNT. |
||
841 | ; If EEGNT is ON, EEPROM is permitted to be accessed by LAN, otherwise is not. |
||
842 | ; After MAC address is read from EEPROM, send |
||
843 | ; EEDONE signal to refuse EEPROM access by LAN. |
||
844 | ; The EEPROM map of SiS962 or SiS963 is different to SiS900. |
||
845 | ; The signature field in SiS962 or SiS963 spec is meaningless. |
||
846 | ; |
||
847 | ; Return 0 is EAX = failure |
||
848 | ; |
||
261 | hidnplayr | 849 | ;*************************************************************************** |
1519 | hidnplayr | 850 | align 4 |
261 | hidnplayr | 851 | SIS960_get_mac_addr: |
1519 | hidnplayr | 852 | |
853 | ;------------------------------- |
||
854 | ; Send Request for eeprom access |
||
855 | |||
856 | set_io 0 |
||
857 | set_io mear ; Eeprom access register |
||
858 | mov eax, EEREQ ; Request access to eeprom |
||
859 | out dx, eax ; Send request |
||
860 | |||
861 | ;----------------------------------------------------- |
||
862 | ; Loop 4000 times and if access not granted, error out |
||
863 | |||
864 | mov ecx, 4000 |
||
865 | .loop: |
||
866 | in eax, dx ; get eeprom status |
||
867 | test eax, EEGNT ; see if eeprom access granted flag is set |
||
868 | jnz .got_access ; if it is, go access the eeprom |
||
869 | loop .loop ; else keep waiting |
||
870 | |||
871 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
872 | |||
873 | set_io mear ; Eeprom access register |
||
874 | mov eax, EEDONE ; tell eeprom we are done |
||
875 | out dx, eax |
||
876 | |||
877 | or eax, -1 ; error |
||
878 | ret |
||
879 | |||
880 | .got_access: |
||
881 | |||
882 | ;------------------------------------------ |
||
883 | ; EEprom access granted, read MAC from card |
||
884 | |||
261 | hidnplayr | 885 | ; zero based so 3-16 bit reads will take place |
1519 | hidnplayr | 886 | |
887 | mov ecx, 2 |
||
888 | .read_loop: |
||
889 | mov eax, EEPROMMACAddr ; Base Mac Address |
||
890 | add eax, ecx ; Current Mac Byte Offset |
||
891 | push ecx |
||
892 | call read_eeprom ; try to read 16 bits |
||
893 | pop ecx |
||
894 | mov word [device.mac+ecx*2], ax ; save 16 bits to the MAC ID varible |
||
895 | dec ecx ; one less word to read |
||
896 | jns .read_loop ; if more read more |
||
897 | mov eax, 1 ; return non-zero indicating success |
||
898 | |||
899 | DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[device.mac]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
900 | |||
901 | ;------------------------------------- |
||
902 | ; Tell EEPROM We are Done Accessing It |
||
903 | |||
904 | .done: |
||
905 | set_io 0 |
||
906 | set_io mear ; Eeprom access register |
||
907 | mov eax, EEDONE ; tell eeprom we are done |
||
908 | out dx, eax |
||
909 | |||
910 | xor eax, eax ; ok |
||
911 | ret |
||
912 | |||
913 | |||
914 | |||
915 | |||
261 | hidnplayr | 916 | ;*************************************************************************** |
1519 | hidnplayr | 917 | ; |
918 | ; get_mac_addr: - Get MAC address for stand alone SiS900 model |
||
919 | ; |
||
920 | ; Older SiS900 and friends, use EEPROM to store MAC address. |
||
921 | ; |
||
261 | hidnplayr | 922 | ;*************************************************************************** |
1519 | hidnplayr | 923 | align 4 |
924 | get_mac_addr: |
||
261 | hidnplayr | 925 | |
1519 | hidnplayr | 926 | ;------------------------------------ |
927 | ; check to see if we have sane EEPROM |
||
928 | |||
929 | mov eax, EEPROMSignature ; Base Eeprom Signature |
||
930 | call read_eeprom ; try to read 16 bits |
||
931 | cmp ax, 0xffff |
||
932 | je .err |
||
933 | test ax, ax |
||
934 | je .err |
||
935 | |||
936 | ;----------- |
||
937 | ; Read MacID |
||
938 | |||
939 | ; zero based so 3-16 bit reads will take place |
||
940 | |||
941 | mov ecx, 2 |
||
942 | .loop: |
||
943 | mov eax, EEPROMMACAddr ;Base Mac Address |
||
944 | add eax, ecx ;Current Mac Byte Offset |
||
945 | push ecx |
||
946 | call read_eeprom ;try to read 16 bits |
||
947 | pop ecx |
||
948 | mov word [device.mac+ecx*2], ax ;save 16 bits to the MAC ID storage |
||
949 | dec ecx ;one less word to read |
||
950 | jns mac_read_loop ;if more read more |
||
951 | |||
952 | DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[device.mac]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
953 | |||
954 | xor eax, eax |
||
955 | ret |
||
956 | |||
957 | |||
958 | .err: |
||
959 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
960 | |||
961 | or eax, -1 |
||
962 | ret |
||
963 | |||
964 | |||
261 | hidnplayr | 965 | ;*************************************************************************** |
1519 | hidnplayr | 966 | ; |
967 | ; Get_Mac_SIS635_900_REV: - Get MAC address for model 635 |
||
968 | ; |
||
261 | hidnplayr | 969 | ;*************************************************************************** |
1519 | hidnplayr | 970 | align 4 |
261 | hidnplayr | 971 | Get_Mac_SIS635_900_REV: |
1519 | hidnplayr | 972 | |
973 | set_io 0 |
||
974 | set_io rfcr |
||
975 | in eax, dx |
||
976 | mov edi, eax ; EDI=rfcrSave |
||
977 | |||
978 | set_io cr |
||
979 | or eax, RELOAD |
||
980 | out dx, eax |
||
981 | |||
982 | xor eax, eax |
||
983 | out dx, eax |
||
984 | |||
985 | ;----------------------------------------------- |
||
986 | ; Disable packet filtering before setting filter |
||
987 | |||
988 | set_io rfcr |
||
989 | mov eax, edi |
||
990 | and edi, not RFEN |
||
991 | out dx, eax |
||
992 | |||
993 | ;--------------------------------- |
||
994 | ; Load MAC to filter data register |
||
995 | |||
996 | mov ecx, 3 |
||
997 | lea edi, [device.mac] |
||
998 | .loop: |
||
999 | set_io 0 |
||
1000 | set_io rfcr |
||
1001 | mov eax, ecx |
||
1002 | shl eax, RFADDR_shift |
||
1003 | out dx, eax |
||
1004 | |||
1005 | set_io rfdr |
||
1006 | in eax, dx |
||
1007 | stosw |
||
1008 | loop .loop |
||
1009 | |||
1010 | ;------------------------ |
||
1011 | ; Enable packet filtering |
||
1012 | |||
1013 | ; set_io rfcr |
||
1014 | ; mov eax, edi |
||
1015 | ; or eax, RFEN |
||
1016 | ; out dx, eax |
||
1017 | |||
1018 | xor eax, eax |
||
1019 | ret |
||
1020 | |||
261 | hidnplayr | 1021 | ;*************************************************************************** |
1022 | ; |
||
1519 | hidnplayr | 1023 | ; read_eeprom |
261 | hidnplayr | 1024 | ; |
1519 | hidnplayr | 1025 | ; reads and returns a given location from EEPROM |
261 | hidnplayr | 1026 | ; |
1519 | hidnplayr | 1027 | ; IN: si = addr |
1028 | ; OUT: ax = data |
||
261 | hidnplayr | 1029 | ; |
1030 | ;*************************************************************************** |
||
1519 | hidnplayr | 1031 | align 4 |
1032 | read_eeprom: |
||
261 | hidnplayr | 1033 | |
1519 | hidnplayr | 1034 | set_io 0 |
1035 | set_io mear |
||
1036 | |||
1037 | xor eax, eax ; start send |
||
1038 | out dx, eax |
||
1039 | ee_delay |
||
1040 | |||
1041 | or eax, EECLK |
||
1042 | out dx, eax |
||
1043 | ee_delay |
||
1044 | |||
1045 | ;------------------------------------ |
||
1046 | ; Send the read command |
||
1047 | |||
1048 | or esi, EEread |
||
1049 | mov ecx, 1 shl 9 |
||
1050 | |||
1051 | .loop: |
||
1052 | mov eax, EECS |
||
1053 | test esi, ecx |
||
1054 | jz @f |
||
1055 | or eax, EEDI |
||
1056 | @@: |
||
1057 | out dx, eax |
||
1058 | ee_delay |
||
1059 | |||
1060 | or eax, EECLK |
||
1061 | out dx, eax |
||
1062 | ee_delay |
||
1063 | |||
1064 | shr esi, 1 |
||
1065 | jnc .loop |
||
1066 | |||
1067 | mov eax, EECS |
||
1068 | out dx, eax |
||
1069 | ee_delay |
||
1070 | |||
1071 | ;------------------------ |
||
1072 | ; Read 16-bits of data in |
||
1073 | |||
1074 | xor esi, esi |
||
1075 | mov cx, 16 |
||
1076 | .loop2: |
||
1077 | mov eax, EECS |
||
1078 | out dx, eax |
||
1079 | ee_delay |
||
1080 | |||
1081 | or eax, EECLK |
||
1082 | out dx, eax |
||
1083 | ee_delay |
||
1084 | |||
1085 | in eax, dx |
||
1086 | shl esi, 1 |
||
1087 | test eax, EEDO |
||
1088 | jz @f |
||
1089 | inc esi |
||
1090 | @@: |
||
1091 | loop .loop2 |
||
1092 | |||
1093 | ;---------------------------- |
||
1094 | ; Terminate the EEPROM access |
||
1095 | |||
1096 | xor eax, eax |
||
1097 | out dx, eax |
||
1098 | ee_delay |
||
1099 | |||
1100 | mov eax, EECLK |
||
1101 | out dx, eax |
||
1102 | ee_delay |
||
1103 | |||
1104 | movzx eax, si |
||
1105 | |||
1106 | ret |
||
1107 | |||
1108 | |||
1109 | |||
1110 | align 4 |
||
1237 | clevermous | 1111 | write_mac: |
1112 | DEBUGF 1,'Setting MAC is not supported for SIS900 card.\n' |
||
1113 | add esp, 6 |
||
1114 | ret |
||
1115 | |||
261 | hidnplayr | 1116 | ;*************************************************************************** |
1117 | ; |
||
1519 | hidnplayr | 1118 | ; int_handler |
1119 | ; |
||
1120 | ; handles received IRQs, which signal received packets |
||
1121 | ; |
||
1122 | ; Currently only supports one descriptor per packet, if packet is fragmented |
||
1123 | ; between multiple descriptors you will lose part of the packet |
||
1124 | ; |
||
261 | hidnplayr | 1125 | ;*************************************************************************** |
1519 | hidnplayr | 1126 | align 4 |
1237 | clevermous | 1127 | int_handler: |
1128 | ; find pointer of device which made IRQ occur |
||
1519 | hidnplayr | 1129 | mov esi, device_list |
1130 | mov ecx, [devices] |
||
1237 | clevermous | 1131 | test ecx, ecx |
1132 | jz .nothing |
||
1133 | .nextdevice: |
||
1134 | mov ebx, [esi] |
||
1519 | hidnplayr | 1135 | set_io 0 |
1136 | set_io isr |
||
1254 | hidnplayr | 1137 | in eax, dx ; note that this clears all interrupts |
1519 | hidnplayr | 1138 | test ax, IE |
1237 | clevermous | 1139 | jnz .got_it |
1140 | loop .nextdevice |
||
1141 | .nothing: |
||
1142 | ret |
||
1143 | .got_it: |
||
1519 | hidnplayr | 1144 | |
1145 | test ax, RxOK |
||
1146 | jz .no_rx |
||
1147 | |||
1148 | push ax |
||
1149 | |||
1150 | ;----------- |
||
1151 | ; Get Status |
||
1152 | movzx eax, [device.cur_rx] ; find current discriptor |
||
1153 | shl eax, 4 ; * 16 |
||
1154 | mov ecx, dword[device.rxd+eax+4] ; get receive status |
||
1155 | |||
1156 | ;------------------------------------------- |
||
1157 | ; Check RX_Status to see if packet is waiting |
||
1158 | test ecx, 0x80000000 |
||
1159 | jnz .is_packet |
||
1160 | ret |
||
1161 | |||
1162 | ;---------------------------------------------- |
||
1163 | ; There is a packet waiting check it for errors |
||
1164 | .is_packet: |
||
1165 | test ecx, 0x67C0000 ; see if there are any errors |
||
1166 | jnz .error_status |
||
1167 | |||
1168 | ;--------------------- |
||
1169 | ; Check size of packet |
||
1170 | and ecx, DSIZE ; get packet size minus CRC |
||
1171 | sub ecx, CRC_SIZE ; make sure packet contains data |
||
1172 | jle .error_size |
||
1173 | |||
1174 | ; update statistics |
||
1175 | inc dword [device.packets_rx] |
||
1176 | add dword [device.bytes_rx], ecx |
||
1177 | adc dword [device.bytes_rx+4], 0 |
||
1178 | |||
1179 | push ebx |
||
1180 | push .return |
||
1181 | push ecx ; packet size |
||
1182 | push [device.rxd+eax+12] ; packet ptr |
||
1183 | DEBUGF 1, "Packet received OK\n" |
||
1184 | jmp EthReceiver |
||
1185 | .return: |
||
1186 | pop ebx |
||
1187 | |||
1188 | ; Reset status, allow ethernet card access to descriptor |
||
1189 | movzx ecx, [device.cur_rx] |
||
1190 | shl ecx, 4 ; *16 |
||
1191 | mov ecx, [device.rxd+ecx] |
||
1192 | stdcall KernelAlloc, RX_BUFF_SZ |
||
1193 | test eax, eax |
||
1194 | jz .fail |
||
1195 | mov dword [ecx+12], eax |
||
1196 | GetRealAddr |
||
1197 | mov dword [ecx+8], eax |
||
1198 | mov dword [ecx+4], RX_BUFF_SZ |
||
1199 | |||
1200 | inc [device.cur_rx] ; get next descriptor |
||
1201 | and [device.cur_rx], NUM_RX_DESC-1 ; only 4 descriptors 0-3 |
||
1202 | |||
1203 | ; Enable Receiver |
||
1204 | set_io 0 |
||
1205 | set_io cr ; Command Register offset |
||
1206 | in eax, dx ; Get current Command Register |
||
1207 | or eax, RxENA ; Enable Receiver |
||
1208 | out dx, eax |
||
1209 | |||
1210 | pop ax |
||
1211 | jmp .no_rx |
||
1212 | |||
1213 | .error_status: |
||
1214 | |||
1215 | DEBUGF 1, "Packet error: %x\n", ecx |
||
1216 | jmp .continue |
||
1217 | |||
1218 | .error_size: |
||
1219 | |||
1220 | DEBUGF 1, "Packet too large/small\n" |
||
1221 | jmp .continue |
||
1222 | |||
1223 | .no_rx: |
||
1224 | test ax, TxOk |
||
1225 | jz .no_tx |
||
1226 | |||
1227 | ;;; TODO: free all unused buffers |
||
1228 | stdcall KernelFree, eax |
||
1229 | |||
1230 | .no_tx: |
||
1231 | |||
1232 | ret |
||
1233 | |||
1234 | |||
1235 | |||
261 | hidnplayr | 1236 | ;*************************************************************************** |
1237 | ; Function |
||
1237 | clevermous | 1238 | ; transmit |
261 | hidnplayr | 1239 | ; Description |
1240 | ; Transmits a packet of data via the ethernet card |
||
1254 | hidnplayr | 1241 | ; buffer pointer in [esp+4] |
1242 | ; size of buffer in [esp+8] |
||
1237 | clevermous | 1243 | ; pointer to device structure in ebx |
261 | hidnplayr | 1244 | ; |
1245 | ; only one transmit descriptor is used |
||
1246 | ; |
||
1247 | ;*************************************************************************** |
||
1519 | hidnplayr | 1248 | align 4 |
1237 | clevermous | 1249 | transmit: |
261 | hidnplayr | 1250 | |
1519 | hidnplayr | 1251 | cmp dword [esp+8], MAX_ETH_FRAME_SIZE |
1252 | jg transmit_finish |
||
261 | hidnplayr | 1253 | |
1519 | hidnplayr | 1254 | cmp dword [esp+8], 60 |
1255 | jl transmit_finish |
||
1237 | clevermous | 1256 | |
1519 | hidnplayr | 1257 | movzx ecx, [device.cur_tx] |
1258 | mov ecx, [device.txd+ecx*16] |
||
1259 | |||
1260 | ;; TODO: check if desc is empty (for example: check for eax, 0x6200000 at [ecx+4] |
||
1261 | ;;; or: count number of available descriptors |
||
1262 | |||
1263 | mov eax, [esp+4] |
||
1264 | mov dword [ecx + 12], eax |
||
1265 | GetRealAddr |
||
1266 | mov dword [ecx + 8], eax |
||
1267 | |||
1268 | mov eax, [esp+8] |
||
1269 | and eax, DSIZE |
||
1270 | or eax, 0x80000000 ; card owns descriptor |
||
1271 | mov dword [ecx + 4], eax |
||
1272 | |||
1273 | ; update stats |
||
1274 | inc [device.packets_tx] |
||
1275 | add dword [device.bytes_tx], ecx |
||
1276 | adc dword [device.bytes_tx+4], 0 |
||
1277 | |||
1541 | hidnplayr | 1278 | ret 8 |
1519 | hidnplayr | 1279 | |
1280 | |||
1237 | clevermous | 1281 | ; End of code |
1282 | |||
1283 | align 4 ; Place all initialised data here |
||
1284 | |||
1519 | hidnplayr | 1285 | devices dd 0 |
1237 | clevermous | 1286 | |
1519 | hidnplayr | 1287 | specific_table: |
1237 | clevermous | 1288 | ; dd SIS630A_900_REV,Get_Mac_SIS630A_900_REV,0 |
1289 | ; dd SIS630E_900_REV,Get_Mac_SIS630E_900_REV,0 |
||
1290 | dd SIS630S_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1291 | dd SIS630EA1_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1292 | dd SIS630ET_900_REV,Get_Mac_SIS635_900_REV,0;SIS630ET_900_REV_SpecialFN |
||
1293 | dd SIS635A_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1294 | dd SIS900_960_REV,SIS960_get_mac_addr,0 |
||
1519 | hidnplayr | 1295 | dd SIS900B_900_REV,get_mac_addr,0 |
1296 | dd 0 ; end of list |
||
1237 | clevermous | 1297 | |
1519 | hidnplayr | 1298 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
1299 | my_service db 'SIS900',0 ; max 16 chars include zero |
||
1237 | clevermous | 1300 | |
1519 | hidnplayr | 1301 | include_debug_strings ; All data wich FDO uses will be included here |
1237 | clevermous | 1302 | |
1519 | hidnplayr | 1303 | section '.data' data readable writable align 16; place all uninitialized data place here |
1237 | clevermous | 1304 | |
1519 | hidnplayr | 1305 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling64bytes) |
1237 | clevermous | 1306 |