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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 | |
2304 | hidnplayr | 433 | movzx eax, [device.pci_bus] |
434 | movzx edx, [device.pci_dev] |
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435 | stdcall PciWrite8, eax, edx, 0x40, 0 ; Wake Up Chip |
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1519 | hidnplayr | 436 | |
437 | make_bus_master [device.pci_bus], [device.pci_dev] |
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438 | |||
439 | ; Get Card Revision |
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2304 | hidnplayr | 440 | movzx eax, [device.pci_bus] |
441 | movzx edx, [device.pci_dev] |
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442 | stdcall PciRead8, eax, edx, 0x08 |
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443 | mov [device.pci_revision], al ; save the revision for later use |
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1519 | hidnplayr | 444 | |
445 | ; Look up through the specific_table |
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446 | mov esi, specific_table |
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447 | .loop: |
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2304 | hidnplayr | 448 | cmp dword [esi], 0 ; Check if we reached end of the list |
1519 | hidnplayr | 449 | je .error |
2304 | hidnplayr | 450 | cmp al, [esi] ; Check if revision is OK |
1519 | hidnplayr | 451 | je .ok |
2304 | hidnplayr | 452 | add esi, 12 ; Advance to next entry |
1519 | hidnplayr | 453 | jmp .loop |
454 | |||
455 | .error: |
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456 | DEBUGF 1, "Device not supported!\n" |
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457 | or eax, -1 |
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458 | ret |
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459 | |||
460 | ; Find Get Mac Function |
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461 | .ok: |
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462 | mov eax, [esi+4] ; Get pointer to "get MAC" function |
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2304 | hidnplayr | 463 | mov [device.get_MAC], eax |
1519 | hidnplayr | 464 | mov eax, [esi+8] ; Get pointer to special initialization fn |
2304 | hidnplayr | 465 | mov [device.special_func], eax |
1519 | hidnplayr | 466 | |
467 | ; Get MAC |
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2304 | hidnplayr | 468 | call [device.get_MAC] |
1519 | hidnplayr | 469 | |
470 | ; Call special initialization fn if requested |
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471 | |||
2304 | hidnplayr | 472 | cmp [device.special_func],0 |
1519 | hidnplayr | 473 | je @f |
2304 | hidnplayr | 474 | call [device.special_func] |
1519 | hidnplayr | 475 | @@: |
476 | |||
477 | ; Set table entries |
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478 | |||
2304 | hidnplayr | 479 | mov [device.table_entries], 16 |
480 | cmp [device.pci_revision], SIS635A_900_REV |
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1519 | hidnplayr | 481 | jae @f |
2304 | hidnplayr | 482 | cmp [device.pci_revision], SIS900B_900_REV |
1519 | hidnplayr | 483 | je @f |
2304 | hidnplayr | 484 | mov [device.table_entries], 8 |
1519 | hidnplayr | 485 | @@: |
486 | |||
487 | ; TODO: Probe for mii transceiver |
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488 | |||
489 | |||
261 | hidnplayr | 490 | ;*************************************************************************** |
491 | ; |
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1519 | hidnplayr | 492 | ; init |
493 | ; |
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494 | ; resets the ethernet controller chip and various |
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261 | hidnplayr | 495 | ; data structures required for sending and receiving packets. |
496 | ; |
||
497 | ;*************************************************************************** |
||
1519 | hidnplayr | 498 | align 4 |
499 | init: |
||
500 | |||
501 | call reset |
||
502 | call init_rxfilter |
||
503 | call init_txd |
||
504 | call init_rxd |
||
505 | call set_rx_mode |
||
506 | call set_tx_mode |
||
507 | ;call check_mode |
||
508 | |||
1237 | clevermous | 509 | ; enable interrupts on packet receive |
1519 | hidnplayr | 510 | |
1237 | clevermous | 511 | xor eax, eax |
1519 | hidnplayr | 512 | inc eax ; eax = 1 = RxOK |
513 | set_io 0 |
||
514 | set_io imr |
||
1237 | clevermous | 515 | out dx, eax |
1519 | hidnplayr | 516 | |
1237 | clevermous | 517 | ; globally enable interrupts |
1519 | hidnplayr | 518 | |
519 | set_io ier |
||
1254 | hidnplayr | 520 | out dx, eax ; eax is still 1 |
1237 | clevermous | 521 | xor eax, eax |
261 | hidnplayr | 522 | |
1519 | hidnplayr | 523 | mov [device.mtu], 1514 |
524 | |||
525 | ret |
||
526 | |||
261 | hidnplayr | 527 | ;*************************************************************************** |
528 | ; |
||
1519 | hidnplayr | 529 | ; reset |
530 | ; |
||
531 | ; disables interrupts and soft resets the controller chip |
||
532 | ; |
||
261 | hidnplayr | 533 | ;*************************************************************************** |
1519 | hidnplayr | 534 | align 4 |
535 | reset: |
||
536 | movzx eax, [device.irq_line] |
||
1254 | hidnplayr | 537 | stdcall AttachIntHandler, eax, int_handler, 0 |
261 | hidnplayr | 538 | |
1519 | hidnplayr | 539 | ;-------------------------------------------- |
540 | ; Disable Interrupts and reset Receive Filter |
||
541 | |||
542 | set_io 0 |
||
543 | set_io ier |
||
544 | xor eax, eax |
||
545 | out dx, eax |
||
546 | |||
547 | set_io imr |
||
548 | out dx, eax |
||
549 | |||
550 | set_io rfcr |
||
551 | out dx, eax |
||
552 | |||
553 | ;----------- |
||
554 | ; Reset Card |
||
555 | |||
556 | set_io cr |
||
557 | in eax, dx ; Get current Command Register |
||
558 | or eax, RESET + RxRESET + TxRESET ; set flags |
||
559 | out dx, eax ; Write new Command Register |
||
560 | |||
561 | ;---------- |
||
562 | ; Wait loop |
||
563 | |||
564 | set_io isr |
||
565 | mov ecx, 1000 |
||
566 | .loop: |
||
567 | dec ecx |
||
568 | jz .error |
||
569 | in eax, dx ; move interrup status to eax |
||
570 | cmp eax, 0x03000000 |
||
571 | jne .loop |
||
572 | |||
573 | ;------------------------------------------------------ |
||
574 | ; Set Configuration Register depending on Card Revision |
||
575 | |||
576 | set_io cfg |
||
577 | mov eax, PESEL ; Configuration Register Bit |
||
2304 | hidnplayr | 578 | cmp [device.pci_revision], SIS635A_900_REV |
1519 | hidnplayr | 579 | je .match |
2304 | hidnplayr | 580 | cmp [device.pci_revision], SIS900B_900_REV ; Check card revision |
1519 | hidnplayr | 581 | je .match |
582 | out dx, eax ; no revision match |
||
583 | jmp .done |
||
584 | |||
585 | .match: ; Revision match |
||
586 | or eax, RND_CNT ; Configuration Register Bit |
||
587 | out dx, eax |
||
588 | |||
589 | .done: |
||
590 | xor eax, eax |
||
591 | ret |
||
592 | |||
593 | .error: |
||
594 | DEBUGF 1, "Reset failed!\n" |
||
595 | or eax, -1 |
||
596 | ret |
||
597 | |||
598 | |||
261 | hidnplayr | 599 | ;*************************************************************************** |
600 | ; |
||
1519 | hidnplayr | 601 | ; sis_init_rxfilter |
261 | hidnplayr | 602 | ; |
1519 | hidnplayr | 603 | ; sets receive filter address to our MAC address |
261 | hidnplayr | 604 | ; |
605 | ;*************************************************************************** |
||
1519 | hidnplayr | 606 | align 4 |
607 | init_rxfilter: |
||
261 | hidnplayr | 608 | |
1519 | hidnplayr | 609 | ;------------------------------------ |
610 | ; Get Receive Filter Control Register |
||
611 | |||
612 | set_io 0 |
||
613 | set_io rfcr |
||
614 | in eax, dx |
||
615 | push eax |
||
616 | |||
617 | ;----------------------------------------------- |
||
618 | ; disable packet filtering before setting filter |
||
619 | |||
620 | and eax, not RFEN |
||
621 | out dx, eax |
||
622 | |||
623 | ;-------------------------------------- |
||
624 | ; load MAC addr to filter data register |
||
625 | |||
626 | xor ecx, ecx |
||
627 | RXINT_Mac_Write: ; high word of eax tells card which mac byte to write |
||
628 | mov eax, ecx |
||
629 | set_io 0 |
||
630 | set_io rfcr |
||
631 | shl eax, 16 ; |
||
632 | out dx, eax ; |
||
633 | set_io rfdr |
||
634 | mov ax, word [device.mac+ecx*2] ; Get Mac ID word |
||
635 | out dx, ax ; Send Mac ID |
||
636 | inc cl ; send next word |
||
637 | cmp cl, 3 ; more to send? |
||
638 | jne RXINT_Mac_Write |
||
639 | |||
640 | ;------------------------ |
||
641 | ; enable packet filtering |
||
642 | |||
643 | pop eax ;old register value |
||
644 | set_io rfcr |
||
645 | or eax, RFEN ;enable filtering |
||
646 | out dx, eax ;set register |
||
647 | |||
648 | ret |
||
649 | |||
261 | hidnplayr | 650 | ;*************************************************************************** |
1519 | hidnplayr | 651 | ; |
652 | ; init_txd |
||
653 | ; |
||
654 | ; initializes the Tx descriptor |
||
655 | ; |
||
261 | hidnplayr | 656 | ;*************************************************************************** |
1519 | hidnplayr | 657 | align 4 |
658 | init_txd: |
||
261 | hidnplayr | 659 | |
1519 | hidnplayr | 660 | ;------------------------- |
661 | ; initialize TX descriptor |
||
662 | |||
663 | mov dword [device.txd], 0 ; put link to next descriptor in link field |
||
664 | mov dword [device.txd+4], 0 ; clear status field |
||
665 | mov dword [device.txd+8], 0 ; ptr to buffer |
||
666 | |||
667 | ;---------------------------------- |
||
668 | ; load Transmit Descriptor Register |
||
669 | |||
670 | set_io 0 |
||
671 | set_io txdp ; TX Descriptor Pointer |
||
672 | lea eax, [device.txd] |
||
673 | GetRealAddr |
||
674 | out dx, eax ; move the pointer |
||
675 | |||
676 | ret |
||
677 | |||
261 | hidnplayr | 678 | ;*************************************************************************** |
1519 | hidnplayr | 679 | ; |
680 | ; init_rxd |
||
681 | ; |
||
682 | ; initializes the Rx descriptor ring |
||
683 | ; |
||
261 | hidnplayr | 684 | ;*************************************************************************** |
1519 | hidnplayr | 685 | align 4 |
686 | init_rxd: |
||
261 | hidnplayr | 687 | |
1519 | hidnplayr | 688 | ; init RX descriptors |
689 | mov ecx, NUM_RX_DESC |
||
690 | lea esi, [device.rxd] |
||
691 | |||
692 | .loop: |
||
693 | lea eax, [esi + 16] |
||
694 | GetRealAddr |
||
695 | mov dword [esi+0], eax |
||
696 | mov dword [esi+4], RX_BUFF_SZ |
||
697 | |||
698 | stdcall KernelAlloc, RX_BUFF_SZ |
||
699 | test eax, eax |
||
700 | jz .fail |
||
701 | mov dword [esi+12], eax |
||
702 | GetRealAddr |
||
703 | mov dword [esi+8], eax |
||
704 | add esi, 16 |
||
705 | loop .loop |
||
706 | |||
707 | lea eax, [device.rxd] |
||
708 | GetRealAddr |
||
709 | mov dword [esi - 16], eax ; correct last descriptor link ptr |
||
710 | |||
711 | ; And output ptr to first desc, to device |
||
712 | |||
713 | set_io 0 |
||
714 | set_io rxdp |
||
715 | out dx, eax |
||
716 | |||
717 | mov [device.cur_rx], 0 ; Set curent rx discriptor to 0 |
||
718 | |||
719 | .fail: ;;; TODO: abort instead! |
||
720 | ret |
||
721 | |||
722 | |||
261 | hidnplayr | 723 | ;*************************************************************************** |
1519 | hidnplayr | 724 | ; |
725 | ; set_tx_mode |
||
726 | ; |
||
727 | ; sets the transmit mode to allow for full duplex |
||
728 | ; |
||
729 | ; If you are having problems transmitting packet try changing the |
||
730 | ; Max DMA Burst, Possible settings are as follows: |
||
731 | ; |
||
732 | ; 0x00000000 = 512 bytes |
||
733 | ; 0x00100000 = 4 bytes |
||
734 | ; 0x00200000 = 8 bytes |
||
735 | ; 0x00300000 = 16 bytes |
||
736 | ; 0x00400000 = 32 bytes |
||
737 | ; 0x00500000 = 64 bytes |
||
738 | ; 0x00600000 = 128 bytes |
||
739 | ; 0x00700000 = 256 bytes |
||
740 | ; |
||
261 | hidnplayr | 741 | ;*************************************************************************** |
1519 | hidnplayr | 742 | align 4 |
743 | set_tx_mode: |
||
261 | hidnplayr | 744 | |
1519 | hidnplayr | 745 | set_io 0 |
746 | set_io cr |
||
747 | in eax, dx ; Get current Command Register |
||
748 | or eax, TxENA ; Enable Receive |
||
749 | out dx, eax |
||
750 | |||
751 | set_io txcfg ; Transmit config Register offset |
||
752 | mov eax, ATP + HBI + CSI +0x00600120 |
||
753 | ; allow automatic padding |
||
754 | ; allow heartbeat ignore |
||
755 | ; allow carrier sense ignore |
||
756 | ; Max DMA Burst (128 bytes) |
||
757 | ; TX Fill Threshold |
||
758 | ; TX Drain Threshold |
||
759 | out dx, eax |
||
760 | |||
761 | ret |
||
762 | |||
261 | hidnplayr | 763 | ;*************************************************************************** |
1519 | hidnplayr | 764 | ; |
765 | ; set_rx_mode |
||
766 | ; |
||
767 | ; sets the receive mode to accept all broadcast packets and packets |
||
768 | ; with our MAC address, and reject all multicast packets. Also allows |
||
769 | ; full-duplex |
||
770 | ; |
||
771 | ; If you are having problems receiving packet try changing the |
||
772 | ; Max DMA Burst, Possible settings are as follows: |
||
773 | ; |
||
774 | ; 0x00000000 = 512 bytes |
||
775 | ; 0x00100000 = 4 bytes |
||
776 | ; 0x00200000 = 8 bytes |
||
777 | ; 0x00300000 = 16 bytes |
||
778 | ; 0x00400000 = 32 bytes |
||
779 | ; 0x00500000 = 64 bytes |
||
780 | ; 0x00600000 = 128 bytes |
||
781 | ; 0x00700000 = 256 bytes |
||
782 | ; |
||
261 | hidnplayr | 783 | ;*************************************************************************** |
1519 | hidnplayr | 784 | align 4 |
785 | set_rx_mode: |
||
261 | hidnplayr | 786 | |
1519 | hidnplayr | 787 | ;---------------------------------------------- |
788 | ; update Multicast Hash Table in Receive Filter |
||
789 | |||
790 | xor cl, cl |
||
791 | .loop: |
||
792 | set_io 0 |
||
793 | set_io rfcr ; Receive Filter Control Reg offset |
||
794 | mov eax, 4 ; determine table entry |
||
795 | add al, cl |
||
796 | shl eax, 16 |
||
797 | out dx, eax ; tell card which entry to modify |
||
798 | |||
799 | set_io rfdr ; Receive Filter Control Reg offset |
||
800 | mov eax, 0xffff ; entry value |
||
801 | out dx, ax ; write value to table in card |
||
802 | |||
803 | inc cl ; next entry |
||
2304 | hidnplayr | 804 | cmp cl, [device.table_entries] |
1519 | hidnplayr | 805 | jl .loop |
806 | |||
807 | ;------------------------------------ |
||
808 | ; Set Receive Filter Control Register |
||
809 | |||
810 | set_io rfcr ; Receive Filter Control Register offset |
||
811 | mov eax, RFAAB + RFAAM + RFAAP + RFEN |
||
812 | ; accecpt all broadcast packets |
||
813 | ; accept all multicast packets |
||
814 | ; Accept all packets |
||
815 | ; enable receiver filter |
||
816 | out dx, eax |
||
817 | ;---------------- |
||
818 | ; Enable Receiver |
||
819 | |||
820 | set_io cr |
||
821 | in eax, dx ; Get current Command Register |
||
822 | or eax, RxENA ; Enable Receive |
||
823 | out dx, eax |
||
824 | |||
825 | ;------------------- |
||
826 | ; Configure Receiver |
||
827 | |||
828 | set_io rxcfg ; Receive Config Register offset |
||
829 | mov eax, ATX + 0x00600002 |
||
830 | ; Accept Transmit Packets |
||
831 | ; (Req for full-duplex and PMD Loopback) |
||
832 | ; Max DMA Burst |
||
833 | ; RX Drain Threshold, 8X8 bytes or 64bytes |
||
834 | out dx, eax |
||
835 | |||
836 | ret |
||
837 | |||
261 | hidnplayr | 838 | ;*************************************************************************** |
1519 | hidnplayr | 839 | ; |
840 | ; SIS960_get_mac_addr: - Get MAC address for SiS962 or SiS963 model |
||
841 | ; |
||
842 | ; SiS962 or SiS963 model, use EEPROM to store MAC address. |
||
843 | ; EEPROM is shared by LAN and 1394. |
||
844 | ; When access EEPROM, send EEREQ signal to hardware first, and wait for EEGNT. |
||
845 | ; If EEGNT is ON, EEPROM is permitted to be accessed by LAN, otherwise is not. |
||
846 | ; After MAC address is read from EEPROM, send |
||
847 | ; EEDONE signal to refuse EEPROM access by LAN. |
||
848 | ; The EEPROM map of SiS962 or SiS963 is different to SiS900. |
||
849 | ; The signature field in SiS962 or SiS963 spec is meaningless. |
||
850 | ; |
||
851 | ; Return 0 is EAX = failure |
||
852 | ; |
||
261 | hidnplayr | 853 | ;*************************************************************************** |
1519 | hidnplayr | 854 | align 4 |
261 | hidnplayr | 855 | SIS960_get_mac_addr: |
1519 | hidnplayr | 856 | |
857 | ;------------------------------- |
||
858 | ; Send Request for eeprom access |
||
859 | |||
860 | set_io 0 |
||
861 | set_io mear ; Eeprom access register |
||
862 | mov eax, EEREQ ; Request access to eeprom |
||
863 | out dx, eax ; Send request |
||
864 | |||
865 | ;----------------------------------------------------- |
||
866 | ; Loop 4000 times and if access not granted, error out |
||
867 | |||
868 | mov ecx, 4000 |
||
869 | .loop: |
||
870 | in eax, dx ; get eeprom status |
||
871 | test eax, EEGNT ; see if eeprom access granted flag is set |
||
872 | jnz .got_access ; if it is, go access the eeprom |
||
873 | loop .loop ; else keep waiting |
||
874 | |||
875 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
876 | |||
877 | set_io mear ; Eeprom access register |
||
878 | mov eax, EEDONE ; tell eeprom we are done |
||
879 | out dx, eax |
||
880 | |||
881 | or eax, -1 ; error |
||
882 | ret |
||
883 | |||
884 | .got_access: |
||
885 | |||
886 | ;------------------------------------------ |
||
887 | ; EEprom access granted, read MAC from card |
||
888 | |||
261 | hidnplayr | 889 | ; zero based so 3-16 bit reads will take place |
1519 | hidnplayr | 890 | |
891 | mov ecx, 2 |
||
892 | .read_loop: |
||
893 | mov eax, EEPROMMACAddr ; Base Mac Address |
||
894 | add eax, ecx ; Current Mac Byte Offset |
||
895 | push ecx |
||
896 | call read_eeprom ; try to read 16 bits |
||
897 | pop ecx |
||
898 | mov word [device.mac+ecx*2], ax ; save 16 bits to the MAC ID varible |
||
899 | dec ecx ; one less word to read |
||
900 | jns .read_loop ; if more read more |
||
901 | mov eax, 1 ; return non-zero indicating success |
||
902 | |||
903 | 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 |
||
904 | |||
905 | ;------------------------------------- |
||
906 | ; Tell EEPROM We are Done Accessing It |
||
907 | |||
908 | .done: |
||
909 | set_io 0 |
||
910 | set_io mear ; Eeprom access register |
||
911 | mov eax, EEDONE ; tell eeprom we are done |
||
912 | out dx, eax |
||
913 | |||
914 | xor eax, eax ; ok |
||
915 | ret |
||
916 | |||
917 | |||
918 | |||
919 | |||
261 | hidnplayr | 920 | ;*************************************************************************** |
1519 | hidnplayr | 921 | ; |
922 | ; get_mac_addr: - Get MAC address for stand alone SiS900 model |
||
923 | ; |
||
924 | ; Older SiS900 and friends, use EEPROM to store MAC address. |
||
925 | ; |
||
261 | hidnplayr | 926 | ;*************************************************************************** |
1519 | hidnplayr | 927 | align 4 |
2304 | hidnplayr | 928 | SIS900_get_mac_addr: |
261 | hidnplayr | 929 | |
1519 | hidnplayr | 930 | ;------------------------------------ |
931 | ; check to see if we have sane EEPROM |
||
932 | |||
933 | mov eax, EEPROMSignature ; Base Eeprom Signature |
||
934 | call read_eeprom ; try to read 16 bits |
||
935 | cmp ax, 0xffff |
||
936 | je .err |
||
937 | test ax, ax |
||
938 | je .err |
||
939 | |||
940 | ;----------- |
||
941 | ; Read MacID |
||
942 | |||
943 | ; zero based so 3-16 bit reads will take place |
||
944 | |||
945 | mov ecx, 2 |
||
946 | .loop: |
||
2304 | hidnplayr | 947 | mov eax, EEPROMMACAddr ; Base Mac Address |
948 | add eax, ecx ; Current Mac Byte Offset |
||
1519 | hidnplayr | 949 | push ecx |
2304 | hidnplayr | 950 | call read_eeprom ; try to read 16 bits |
1519 | hidnplayr | 951 | pop ecx |
2304 | hidnplayr | 952 | mov word [device.mac+ecx*2], ax ; save 16 bits to the MAC ID storage |
953 | dec ecx ; one less word to read |
||
954 | jns .loop ; if more read more |
||
1519 | hidnplayr | 955 | |
956 | 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 |
||
957 | |||
958 | xor eax, eax |
||
959 | ret |
||
960 | |||
961 | |||
962 | .err: |
||
963 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
964 | |||
965 | or eax, -1 |
||
966 | ret |
||
967 | |||
968 | |||
261 | hidnplayr | 969 | ;*************************************************************************** |
1519 | hidnplayr | 970 | ; |
971 | ; Get_Mac_SIS635_900_REV: - Get MAC address for model 635 |
||
972 | ; |
||
261 | hidnplayr | 973 | ;*************************************************************************** |
1519 | hidnplayr | 974 | align 4 |
261 | hidnplayr | 975 | Get_Mac_SIS635_900_REV: |
1519 | hidnplayr | 976 | |
977 | set_io 0 |
||
978 | set_io rfcr |
||
979 | in eax, dx |
||
980 | mov edi, eax ; EDI=rfcrSave |
||
981 | |||
982 | set_io cr |
||
983 | or eax, RELOAD |
||
984 | out dx, eax |
||
985 | |||
986 | xor eax, eax |
||
987 | out dx, eax |
||
988 | |||
989 | ;----------------------------------------------- |
||
990 | ; Disable packet filtering before setting filter |
||
991 | |||
992 | set_io rfcr |
||
993 | mov eax, edi |
||
994 | and edi, not RFEN |
||
995 | out dx, eax |
||
996 | |||
997 | ;--------------------------------- |
||
998 | ; Load MAC to filter data register |
||
999 | |||
1000 | mov ecx, 3 |
||
1001 | lea edi, [device.mac] |
||
1002 | .loop: |
||
1003 | set_io 0 |
||
1004 | set_io rfcr |
||
1005 | mov eax, ecx |
||
1006 | shl eax, RFADDR_shift |
||
1007 | out dx, eax |
||
1008 | |||
1009 | set_io rfdr |
||
1010 | in eax, dx |
||
1011 | stosw |
||
1012 | loop .loop |
||
1013 | |||
1014 | ;------------------------ |
||
1015 | ; Enable packet filtering |
||
1016 | |||
1017 | ; set_io rfcr |
||
1018 | ; mov eax, edi |
||
1019 | ; or eax, RFEN |
||
1020 | ; out dx, eax |
||
1021 | |||
1022 | xor eax, eax |
||
1023 | ret |
||
1024 | |||
261 | hidnplayr | 1025 | ;*************************************************************************** |
1026 | ; |
||
1519 | hidnplayr | 1027 | ; read_eeprom |
261 | hidnplayr | 1028 | ; |
1519 | hidnplayr | 1029 | ; reads and returns a given location from EEPROM |
261 | hidnplayr | 1030 | ; |
1519 | hidnplayr | 1031 | ; IN: si = addr |
1032 | ; OUT: ax = data |
||
261 | hidnplayr | 1033 | ; |
1034 | ;*************************************************************************** |
||
1519 | hidnplayr | 1035 | align 4 |
1036 | read_eeprom: |
||
261 | hidnplayr | 1037 | |
1519 | hidnplayr | 1038 | set_io 0 |
1039 | set_io mear |
||
1040 | |||
1041 | xor eax, eax ; start send |
||
1042 | out dx, eax |
||
1043 | ee_delay |
||
1044 | |||
1045 | or eax, EECLK |
||
1046 | out dx, eax |
||
1047 | ee_delay |
||
1048 | |||
1049 | ;------------------------------------ |
||
1050 | ; Send the read command |
||
1051 | |||
1052 | or esi, EEread |
||
1053 | mov ecx, 1 shl 9 |
||
1054 | |||
1055 | .loop: |
||
1056 | mov eax, EECS |
||
1057 | test esi, ecx |
||
1058 | jz @f |
||
1059 | or eax, EEDI |
||
1060 | @@: |
||
1061 | out dx, eax |
||
1062 | ee_delay |
||
1063 | |||
1064 | or eax, EECLK |
||
1065 | out dx, eax |
||
1066 | ee_delay |
||
1067 | |||
1068 | shr esi, 1 |
||
1069 | jnc .loop |
||
1070 | |||
1071 | mov eax, EECS |
||
1072 | out dx, eax |
||
1073 | ee_delay |
||
1074 | |||
1075 | ;------------------------ |
||
1076 | ; Read 16-bits of data in |
||
1077 | |||
1078 | xor esi, esi |
||
1079 | mov cx, 16 |
||
1080 | .loop2: |
||
1081 | mov eax, EECS |
||
1082 | out dx, eax |
||
1083 | ee_delay |
||
1084 | |||
1085 | or eax, EECLK |
||
1086 | out dx, eax |
||
1087 | ee_delay |
||
1088 | |||
1089 | in eax, dx |
||
1090 | shl esi, 1 |
||
1091 | test eax, EEDO |
||
1092 | jz @f |
||
1093 | inc esi |
||
1094 | @@: |
||
1095 | loop .loop2 |
||
1096 | |||
1097 | ;---------------------------- |
||
1098 | ; Terminate the EEPROM access |
||
1099 | |||
1100 | xor eax, eax |
||
1101 | out dx, eax |
||
1102 | ee_delay |
||
1103 | |||
1104 | mov eax, EECLK |
||
1105 | out dx, eax |
||
1106 | ee_delay |
||
1107 | |||
1108 | movzx eax, si |
||
1109 | |||
1110 | ret |
||
1111 | |||
1112 | |||
1113 | |||
1114 | align 4 |
||
1237 | clevermous | 1115 | write_mac: |
1116 | DEBUGF 1,'Setting MAC is not supported for SIS900 card.\n' |
||
1117 | add esp, 6 |
||
1118 | ret |
||
1119 | |||
261 | hidnplayr | 1120 | ;*************************************************************************** |
1121 | ; |
||
1519 | hidnplayr | 1122 | ; int_handler |
1123 | ; |
||
1124 | ; handles received IRQs, which signal received packets |
||
1125 | ; |
||
1126 | ; Currently only supports one descriptor per packet, if packet is fragmented |
||
1127 | ; between multiple descriptors you will lose part of the packet |
||
1128 | ; |
||
261 | hidnplayr | 1129 | ;*************************************************************************** |
1519 | hidnplayr | 1130 | align 4 |
1237 | clevermous | 1131 | int_handler: |
1132 | ; find pointer of device which made IRQ occur |
||
1519 | hidnplayr | 1133 | mov esi, device_list |
1134 | mov ecx, [devices] |
||
1237 | clevermous | 1135 | test ecx, ecx |
1136 | jz .nothing |
||
1137 | .nextdevice: |
||
1138 | mov ebx, [esi] |
||
1519 | hidnplayr | 1139 | set_io 0 |
1140 | set_io isr |
||
1254 | hidnplayr | 1141 | in eax, dx ; note that this clears all interrupts |
1519 | hidnplayr | 1142 | test ax, IE |
1237 | clevermous | 1143 | jnz .got_it |
1144 | loop .nextdevice |
||
1145 | .nothing: |
||
1146 | ret |
||
1147 | .got_it: |
||
1519 | hidnplayr | 1148 | |
1149 | test ax, RxOK |
||
1150 | jz .no_rx |
||
1151 | |||
1152 | push ax |
||
1153 | |||
1154 | ;----------- |
||
1155 | ; Get Status |
||
1156 | movzx eax, [device.cur_rx] ; find current discriptor |
||
1157 | shl eax, 4 ; * 16 |
||
1158 | mov ecx, dword[device.rxd+eax+4] ; get receive status |
||
1159 | |||
1160 | ;------------------------------------------- |
||
1161 | ; Check RX_Status to see if packet is waiting |
||
1162 | test ecx, 0x80000000 |
||
1163 | jnz .is_packet |
||
1164 | ret |
||
1165 | |||
1166 | ;---------------------------------------------- |
||
1167 | ; There is a packet waiting check it for errors |
||
1168 | .is_packet: |
||
1169 | test ecx, 0x67C0000 ; see if there are any errors |
||
1170 | jnz .error_status |
||
1171 | |||
1172 | ;--------------------- |
||
1173 | ; Check size of packet |
||
1174 | and ecx, DSIZE ; get packet size minus CRC |
||
1175 | sub ecx, CRC_SIZE ; make sure packet contains data |
||
1176 | jle .error_size |
||
1177 | |||
1178 | ; update statistics |
||
1179 | inc dword [device.packets_rx] |
||
1180 | add dword [device.bytes_rx], ecx |
||
1181 | adc dword [device.bytes_rx+4], 0 |
||
1182 | |||
1183 | push ebx |
||
1184 | push .return |
||
1185 | push ecx ; packet size |
||
1186 | push [device.rxd+eax+12] ; packet ptr |
||
1187 | DEBUGF 1, "Packet received OK\n" |
||
1188 | jmp EthReceiver |
||
1189 | .return: |
||
1190 | pop ebx |
||
1191 | |||
1192 | ; Reset status, allow ethernet card access to descriptor |
||
1193 | movzx ecx, [device.cur_rx] |
||
1194 | shl ecx, 4 ; *16 |
||
1195 | mov ecx, [device.rxd+ecx] |
||
1196 | stdcall KernelAlloc, RX_BUFF_SZ |
||
1197 | test eax, eax |
||
1198 | jz .fail |
||
1199 | mov dword [ecx+12], eax |
||
1200 | GetRealAddr |
||
1201 | mov dword [ecx+8], eax |
||
1202 | mov dword [ecx+4], RX_BUFF_SZ |
||
1203 | |||
1204 | inc [device.cur_rx] ; get next descriptor |
||
1205 | and [device.cur_rx], NUM_RX_DESC-1 ; only 4 descriptors 0-3 |
||
1206 | |||
1207 | ; Enable Receiver |
||
1208 | set_io 0 |
||
1209 | set_io cr ; Command Register offset |
||
1210 | in eax, dx ; Get current Command Register |
||
1211 | or eax, RxENA ; Enable Receiver |
||
1212 | out dx, eax |
||
1213 | |||
1214 | pop ax |
||
1215 | jmp .no_rx |
||
1216 | |||
1217 | .error_status: |
||
1218 | |||
1219 | DEBUGF 1, "Packet error: %x\n", ecx |
||
2304 | hidnplayr | 1220 | jmp .fail |
1519 | hidnplayr | 1221 | |
1222 | .error_size: |
||
1223 | |||
1224 | DEBUGF 1, "Packet too large/small\n" |
||
2304 | hidnplayr | 1225 | jmp .fail |
1519 | hidnplayr | 1226 | |
1227 | .no_rx: |
||
2304 | hidnplayr | 1228 | ;; test ax, TxOk |
1229 | ;; jz .no_tx |
||
1519 | hidnplayr | 1230 | |
1231 | ;;; TODO: free all unused buffers |
||
2304 | hidnplayr | 1232 | ;; stdcall KernelFree, eax |
1519 | hidnplayr | 1233 | |
1234 | .no_tx: |
||
1235 | |||
1236 | ret |
||
1237 | |||
1238 | |||
2304 | hidnplayr | 1239 | .fail: |
1240 | DEBUGF 1, "FAILED\n" |
||
1241 | jmp $ |
||
1242 | ret |
||
1519 | hidnplayr | 1243 | |
2304 | hidnplayr | 1244 | |
261 | hidnplayr | 1245 | ;*************************************************************************** |
1246 | ; Function |
||
1237 | clevermous | 1247 | ; transmit |
261 | hidnplayr | 1248 | ; Description |
1249 | ; Transmits a packet of data via the ethernet card |
||
1254 | hidnplayr | 1250 | ; buffer pointer in [esp+4] |
1251 | ; size of buffer in [esp+8] |
||
1237 | clevermous | 1252 | ; pointer to device structure in ebx |
261 | hidnplayr | 1253 | ; |
1254 | ; only one transmit descriptor is used |
||
1255 | ; |
||
1256 | ;*************************************************************************** |
||
1519 | hidnplayr | 1257 | align 4 |
1237 | clevermous | 1258 | transmit: |
261 | hidnplayr | 1259 | |
1519 | hidnplayr | 1260 | cmp dword [esp+8], MAX_ETH_FRAME_SIZE |
2304 | hidnplayr | 1261 | ja .finish |
261 | hidnplayr | 1262 | |
1519 | hidnplayr | 1263 | cmp dword [esp+8], 60 |
2304 | hidnplayr | 1264 | jb .finish |
1237 | clevermous | 1265 | |
1519 | hidnplayr | 1266 | movzx ecx, [device.cur_tx] |
2220 | hidnplayr | 1267 | shl ecx, 4 |
1268 | mov ecx, [device.txd+ecx] |
||
1519 | hidnplayr | 1269 | |
1270 | ;; TODO: check if desc is empty (for example: check for eax, 0x6200000 at [ecx+4] |
||
1271 | ;;; or: count number of available descriptors |
||
1272 | |||
1273 | mov eax, [esp+4] |
||
1274 | mov dword [ecx + 12], eax |
||
1275 | GetRealAddr |
||
1276 | mov dword [ecx + 8], eax |
||
1277 | |||
1278 | mov eax, [esp+8] |
||
1279 | and eax, DSIZE |
||
1280 | or eax, 0x80000000 ; card owns descriptor |
||
1281 | mov dword [ecx + 4], eax |
||
1282 | |||
1283 | ; update stats |
||
1284 | inc [device.packets_tx] |
||
1285 | add dword [device.bytes_tx], ecx |
||
1286 | adc dword [device.bytes_tx+4], 0 |
||
1287 | |||
2304 | hidnplayr | 1288 | .finish: |
1289 | |||
1541 | hidnplayr | 1290 | ret 8 |
1519 | hidnplayr | 1291 | |
1292 | |||
1237 | clevermous | 1293 | ; End of code |
1294 | |||
1295 | align 4 ; Place all initialised data here |
||
1296 | |||
1519 | hidnplayr | 1297 | devices dd 0 |
1237 | clevermous | 1298 | |
1519 | hidnplayr | 1299 | specific_table: |
1237 | clevermous | 1300 | ; dd SIS630A_900_REV,Get_Mac_SIS630A_900_REV,0 |
1301 | ; dd SIS630E_900_REV,Get_Mac_SIS630E_900_REV,0 |
||
1302 | dd SIS630S_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1303 | dd SIS630EA1_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1304 | dd SIS630ET_900_REV,Get_Mac_SIS635_900_REV,0;SIS630ET_900_REV_SpecialFN |
||
1305 | dd SIS635A_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1306 | dd SIS900_960_REV,SIS960_get_mac_addr,0 |
||
2304 | hidnplayr | 1307 | dd SIS900B_900_REV,SIS900_get_mac_addr,0 |
1519 | hidnplayr | 1308 | dd 0 ; end of list |
1237 | clevermous | 1309 | |
1519 | hidnplayr | 1310 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
1311 | my_service db 'SIS900',0 ; max 16 chars include zero |
||
1237 | clevermous | 1312 | |
1519 | hidnplayr | 1313 | include_debug_strings ; All data wich FDO uses will be included here |
1237 | clevermous | 1314 | |
1519 | hidnplayr | 1315 | section '.data' data readable writable align 16; place all uninitialized data place here |
1237 | clevermous | 1316 | |
1519 | hidnplayr | 1317 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling64bytes) |
1237 | clevermous | 1318 |