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Rev | Author | Line No. | Line |
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261 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1237 | clevermous | 3 | ;; Copyright (C) KolibriOS team 2004-2009. 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 | ; $Revision: 1377 $ |
593 | mikedld | 27 | |
1237 | clevermous | 28 | format MS COFF |
593 | mikedld | 29 | |
1237 | clevermous | 30 | API_VERSION equ 0x01000100 |
31 | |||
32 | DEBUG equ 1 |
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33 | __DEBUG__ equ 1 |
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34 | __DEBUG_LEVEL__ equ 1 |
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35 | |||
36 | include 'proc32.inc' |
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37 | include 'imports.inc' |
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38 | include 'fdo.inc' |
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39 | |||
40 | public START |
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41 | public version |
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42 | |||
43 | struc IOCTL { |
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44 | .handle dd ? |
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45 | .io_code dd ? |
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46 | .input dd ? |
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47 | .inp_size dd ? |
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48 | .output dd ? |
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49 | .out_size dd ? |
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50 | } |
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51 | |||
52 | virtual at 0 |
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53 | IOCTL IOCTL |
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54 | end virtual |
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55 | |||
1254 | hidnplayr | 56 | NUM_RX_DESC equ 4 ;* Number of RX descriptors * |
57 | NUM_TX_DESC equ 1 ;* Number of TX descriptors * |
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58 | RX_BUFF_SZ equ 1520 ;* Buffer size for each Rx buffer * |
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59 | TX_BUFF_SZ equ 1516 ;* Buffer size for each Tx buffer * |
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1237 | clevermous | 60 | MAX_ETH_FRAME_SIZE equ 1516 |
61 | |||
62 | TOTAL_BUFFERS_SIZE equ NUM_RX_DESC*RX_BUFF_SZ + NUM_TX_DESC*TX_BUFF_SZ |
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63 | |||
64 | struc ETH_DEVICE { |
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65 | ; pointers to procedures |
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66 | .unload dd ? |
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67 | .reset dd ? |
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68 | .transmit dd ? |
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69 | .set_MAC dd ? |
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70 | .get_MAC dd ? |
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71 | .set_mode dd ? |
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72 | .get_mode dd ? |
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73 | ; status & variables |
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74 | .bytes_tx dq ? |
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75 | .bytes_rx dq ? |
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76 | .packets_tx dd ? |
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77 | .packets_rx dd ? |
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78 | .mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..) |
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79 | .name dd ? |
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80 | .mac dp ? |
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81 | ; device specific |
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82 | .io_addr dd ? |
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83 | .pci_bus db ? |
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84 | .pci_dev db ? |
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85 | .irq_line db ? |
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86 | .cur_rx db ? |
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1254 | hidnplayr | 87 | .pci_revision db ? |
88 | .table_entries: db ? |
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1237 | clevermous | 89 | align 4 |
1254 | hidnplayr | 90 | .special_func: dd 0 |
1237 | clevermous | 91 | .txd: times (3 * NUM_TX_DESC) dd 0 |
92 | .rxd: times (3 * NUM_RX_DESC) dd 0 |
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93 | .size: |
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94 | } |
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95 | |||
96 | ; First page is designated to ETH_DEVICE, buffers start from second |
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97 | ALLOCATION_SIZE = ((device.size+0FFFh) and not 0FFFh) + TOTAL_BUFFERS_SIZE |
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98 | ; Note that buffers must be contiguous in the physical memory; |
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99 | ; because KernelAlloc allocates contiguous physical pages only in 8-pages blocks, |
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100 | ; align ALLOCATION_SIZE up to 8*(page size) = 8000h |
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101 | ALLOCATION_SIZE = (ALLOCATION_SIZE + 7FFFh) and not 7FFFh |
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102 | |||
103 | MAX_DEVICES = 16 ; maximum number of devices which this driver can handle |
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104 | |||
105 | virtual at 0 |
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106 | device ETH_DEVICE |
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107 | end virtual |
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108 | |||
109 | PCI_HEADER_TYPE equ 0x0e ;8 bit |
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110 | PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit |
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111 | PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits |
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112 | PCI_BASE_ADDRESS_SPACE_IO equ 0x01 |
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113 | PCI_VENDOR_ID equ 0x00 ;16 bit |
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114 | PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC |
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115 | |||
116 | section '.flat' code readable align 16 |
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117 | |||
118 | ; Driver entry point - register our service when the driver is loading. |
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119 | ; TODO: add needed operations when unloading |
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120 | START: |
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121 | cmp dword [esp+4], 1 |
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122 | jne .exit |
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1254 | hidnplayr | 123 | stdcall RegService, my_service, service_proc |
1237 | clevermous | 124 | ret 4 |
125 | .exit: |
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126 | xor eax, eax |
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127 | ret 4 |
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128 | |||
129 | ; Service procedure for the driver - handle all I/O requests for the driver. |
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130 | ; Currently handled requests are: SRV_GETVERSION = 0 and SRV_HOOK = 1. |
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131 | service_proc: |
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132 | ; 1. Get parameter from the stack: [esp+4] is the first parameter, |
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1254 | hidnplayr | 133 | ; pointer to IOCTL structure. |
1237 | clevermous | 134 | mov edx, [esp+4] ; edx -> IOCTL |
135 | ; 2. Get request code and select a handler for the code. |
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1377 | clevermous | 136 | mov eax, [edx+IOCTL.io_code] |
1237 | clevermous | 137 | test eax, eax ; check for SRV_GETVERSION |
138 | jnz @f |
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139 | ; 3. This is SRV_GETVERSION request, no input, 4 bytes output, API_VERSION. |
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140 | ; 3a. Output size must be at least 4 bytes. |
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141 | cmp [edx+IOCTL.out_size], 4 |
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142 | jl .fail |
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143 | ; 3b. Write result to the output buffer. |
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144 | mov eax, [edx+IOCTL.output] |
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145 | mov [eax], dword API_VERSION |
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146 | ; 3c. Return success. |
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147 | xor eax, eax |
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148 | ret 4 |
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149 | @@: |
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150 | dec eax ; check for SRV_HOOK |
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151 | jnz .fail |
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152 | ; 4. This is SRV_HOOK request, input defines the device to hook, no output. |
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153 | ; 4a. The driver works only with PCI devices, |
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1254 | hidnplayr | 154 | ; so input must be at least 3 bytes long. |
1237 | clevermous | 155 | cmp [edx + IOCTL.inp_size], 3 |
156 | jl .fail |
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157 | ; 4b. First byte of input is bus type, 1 stands for PCI. |
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158 | mov eax, [edx + IOCTL.input] |
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159 | cmp byte [eax], 1 |
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160 | jne .fail |
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161 | ; 4c. Second and third bytes of the input define the device: bus and dev. |
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1254 | hidnplayr | 162 | ; Word in bx holds both bytes. |
1237 | clevermous | 163 | mov bx, [eax+1] |
164 | ; 4d. Check if the device was already hooked, |
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1254 | hidnplayr | 165 | ; scan through the list of known devices. |
1237 | clevermous | 166 | mov esi, DEV_LIST |
167 | mov ecx, [NUM_DEV] |
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168 | test ecx, ecx |
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169 | jz .firstdevice |
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170 | .nextdevice: |
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171 | lodsd |
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172 | cmp bx, word [eax + device.pci_bus] |
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173 | je .find_devicenum |
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174 | loop .nextdevice |
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175 | ; 4e. This device doesn't have its own eth_device structure yet, let's create one |
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176 | .firstdevice: |
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177 | ; 4f. Check that we have place for new device. |
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178 | cmp [NUM_DEV], MAX_DEVICES |
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179 | jge .fail |
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180 | ; 4g. Allocate memory for device descriptor and receive+transmit buffers. |
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181 | stdcall KernelAlloc, ALLOCATION_SIZE |
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182 | test eax, eax |
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183 | jz .fail |
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184 | ; 4h. Zero the structure. |
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185 | push eax |
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186 | mov edi, eax |
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187 | mov ecx, (device.size + 3) shr 2 |
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188 | xor eax, eax |
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189 | rep stosd |
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190 | pop eax |
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191 | ; 4i. Save PCI coordinates, loaded to bx at 4c. |
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192 | mov word [eax+device.pci_bus], bx |
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193 | mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code) |
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194 | ; 4j. Fill in the direct call addresses into the struct. |
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195 | ; Note that get_MAC pointer is filled in initialization by SIS900_probe. |
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196 | mov dword [ebx+device.reset], sis900_init |
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197 | mov dword [ebx+device.transmit], transmit |
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1254 | hidnplayr | 198 | ; mov dword [ebx+device.get_MAC], read_mac |
1237 | clevermous | 199 | mov dword [ebx+device.set_MAC], write_mac |
200 | mov dword [ebx+device.unload], unload |
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201 | mov dword [ebx+device.name], my_service |
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202 | |||
203 | ; 4k. Now, it's time to find the base io addres of the PCI device |
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204 | ; TODO: implement check if bus and dev exist on this machine |
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205 | |||
206 | mov edx, PCI_BASE_ADDRESS_0 |
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207 | .reg_check: |
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208 | push edx |
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1254 | hidnplayr | 209 | stdcall PciRead16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], edx |
1237 | clevermous | 210 | pop edx |
211 | test al, PCI_BASE_ADDRESS_SPACE_IO |
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212 | jz .inc_reg |
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213 | and eax, PCI_BASE_ADDRESS_IO_MASK |
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214 | jnz .got_io |
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215 | |||
216 | .inc_reg: |
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217 | add edx, 4 |
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218 | cmp edx, PCI_BASE_ADDRESS_5 |
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219 | jbe .reg_check |
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220 | jmp .fail |
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221 | |||
222 | .got_io: |
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223 | mov [ebx+device.io_addr], eax |
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224 | |||
225 | ; 4l. We've found the io address, find IRQ now |
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1254 | hidnplayr | 226 | stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x3c |
1237 | clevermous | 227 | mov byte [ebx+device.irq_line], al |
228 | |||
229 | ; 4m. Add new device to the list (required for int_handler). |
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230 | mov eax, [NUM_DEV] |
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231 | mov [DEV_LIST+4*eax], ebx |
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232 | inc [NUM_DEV] |
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233 | |||
234 | ; 4m. Ok, the eth_device structure is ready, let's probe the device |
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235 | |||
236 | call SIS900_probe |
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237 | test eax, eax |
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238 | jnz .destroy |
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239 | ; 4n. If device was successfully initialized, register it for the kernel. |
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240 | |||
241 | call EthRegDev |
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242 | cmp eax, -1 |
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243 | je .destroy |
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244 | |||
245 | ret 4 |
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246 | |||
247 | ; 5. If the device was already loaded, find the device number and return it in eax |
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248 | |||
249 | .find_devicenum: |
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250 | mov ebx, eax |
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251 | call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx |
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252 | ; into a device number in edi |
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253 | mov eax, edi ; Application wants it in eax instead |
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254 | ret 4 |
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255 | |||
256 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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257 | |||
258 | .destroy: |
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259 | dec [NUM_DEV] |
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260 | ; todo: reset device into virgin state |
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261 | |||
262 | .err: |
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263 | stdcall KernelFree, ebx |
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264 | |||
265 | |||
266 | .fail: |
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267 | xor eax, eax |
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268 | ret 4 |
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269 | |||
270 | |||
271 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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272 | ;; ;; |
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273 | ;; Actual Hardware dependent code starts here ;; |
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274 | ;; ;; |
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275 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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276 | |||
277 | unload: |
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278 | ; TODO: (in this particular order) |
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279 | ; |
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280 | ; - Stop the device |
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281 | ; - Detach int handler |
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282 | ; - Remove device from local list |
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283 | ; - call unregister function in kernel |
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284 | ; - Remove all allocated structures and buffers the card used |
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285 | |||
286 | or eax,-1 |
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287 | |||
288 | ret |
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289 | |||
261 | hidnplayr | 290 | ;******************************************************************** |
291 | ; Interface |
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292 | ; SIS900_reset |
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293 | ; SIS900_probe |
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294 | ; SIS900_poll |
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295 | ; SIS900_transmit |
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296 | ; |
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297 | ;******************************************************************** |
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298 | ;******************************************************************** |
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299 | ; Comments: |
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300 | ; Known to work with the following SIS900 ethernet cards: |
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301 | ; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x91 |
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302 | ; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x90 |
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303 | ; |
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304 | ; If your card is not listed, try it and let me know if it |
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305 | ; functions properly and it will be aded to the list. If not |
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306 | ; we may be able to add support for it. |
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307 | ; |
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308 | ; ToDo: |
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309 | ; - Enable MII interface for reading speed |
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310 | ; and duplex settings. |
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311 | ; |
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312 | ; - Update Poll routine to support packet fragmentation. |
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313 | ; |
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314 | ; - Add additional support for other sis900 based cards |
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315 | ; |
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316 | ;******************************************************************** |
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317 | |||
318 | ; comment the next line out if you don't want debug info printed |
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319 | ; on the debug board. This option adds a lot of bytes to the driver |
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320 | ; so it's worth to comment it out. |
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321 | ; SIS900_DEBUG equ 1 |
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322 | |||
1254 | hidnplayr | 323 | SIS900_ETH_ALEN equ 6 ;* Size of Ethernet address * |
324 | SIS900_ETH_HLEN equ 14 ;* Size of ethernet header * |
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325 | SIS900_ETH_ZLEN equ 60 ;* Minimum packet length * |
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261 | hidnplayr | 326 | SIS900_DSIZE equ 0x00000fff |
327 | SIS900_CRC_SIZE equ 4 |
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328 | SIS900_RFADDR_shift equ 16 |
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329 | ;SIS900 Symbolic offsets to registers. |
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1254 | hidnplayr | 330 | SIS900_cr equ 0x0 ; Command Register |
331 | SIS900_cfg equ 0x4 ; Configuration Register |
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261 | hidnplayr | 332 | SIS900_mear equ 0x8 ; EEPROM Access Register |
333 | SIS900_ptscr equ 0xc ; PCI Test Control Register |
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1254 | hidnplayr | 334 | SIS900_isr equ 0x10 ; Interrupt Status Register |
335 | SIS900_imr equ 0x14 ; Interrupt Mask Register |
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336 | SIS900_ier equ 0x18 ; Interrupt Enable Register |
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337 | SIS900_epar equ 0x18 ; Enhanced PHY Access Register |
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261 | hidnplayr | 338 | SIS900_txdp equ 0x20 ; Transmit Descriptor Pointer Register |
339 | SIS900_txcfg equ 0x24 ; Transmit Configuration Register |
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340 | SIS900_rxdp equ 0x30 ; Receive Descriptor Pointer Register |
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341 | SIS900_rxcfg equ 0x34 ; Receive Configuration Register |
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342 | SIS900_flctrl equ 0x38 ; Flow Control Register |
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343 | SIS900_rxlen equ 0x3c ; Receive Packet Length Register |
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344 | SIS900_rfcr equ 0x48 ; Receive Filter Control Register |
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345 | SIS900_rfdr equ 0x4C ; Receive Filter Data Register |
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346 | SIS900_pmctrl equ 0xB0 ; Power Management Control Register |
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1254 | hidnplayr | 347 | SIS900_pmer equ 0xB4 ; Power Management Wake-up Event Register |
261 | hidnplayr | 348 | ;SIS900 Command Register Bits |
1254 | hidnplayr | 349 | SIS900_RELOAD equ 0x00000400 |
350 | SIS900_ACCESSMODE equ 0x00000200 |
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351 | SIS900_RESET equ 0x00000100 |
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352 | SIS900_SWI equ 0x00000080 |
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353 | SIS900_RxRESET equ 0x00000020 |
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354 | SIS900_TxRESET equ 0x00000010 |
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355 | SIS900_RxDIS equ 0x00000008 |
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356 | SIS900_RxENA equ 0x00000004 |
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357 | SIS900_TxDIS equ 0x00000002 |
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358 | SIS900_TxENA equ 0x00000001 |
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261 | hidnplayr | 359 | ;SIS900 Configuration Register Bits |
1254 | hidnplayr | 360 | SIS900_DESCRFMT equ 0x00000100 ; 7016 specific |
361 | SIS900_REQALG equ 0x00000080 |
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362 | SIS900_SB equ 0x00000040 |
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363 | SIS900_POW equ 0x00000020 |
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364 | SIS900_EXD equ 0x00000010 |
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365 | SIS900_PESEL equ 0x00000008 |
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366 | SIS900_LPM equ 0x00000004 |
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367 | SIS900_BEM equ 0x00000001 |
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368 | SIS900_RND_CNT equ 0x00000400 |
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369 | SIS900_FAIR_BACKOFF equ 0x00000200 |
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370 | SIS900_EDB_MASTER_EN equ 0x00002000 |
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261 | hidnplayr | 371 | ;SIS900 Eeprom Access Reigster Bits |
1254 | hidnplayr | 372 | SIS900_MDC equ 0x00000040 |
261 | hidnplayr | 373 | SIS900_MDDIR equ 0x00000020 |
374 | SIS900_MDIO equ 0x00000010 ; 7016 specific |
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375 | SIS900_EECS equ 0x00000008 |
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376 | SIS900_EECLK equ 0x00000004 |
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377 | SIS900_EEDO equ 0x00000002 |
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378 | SIS900_EEDI equ 0x00000001 |
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379 | ;SIS900 TX Configuration Register Bits |
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1254 | hidnplayr | 380 | SIS900_ATP equ 0x10000000 ;Automatic Transmit Padding |
381 | SIS900_MLB equ 0x20000000 ;Mac Loopback Enable |
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382 | SIS900_HBI equ 0x40000000 ;HeartBeat Ignore (Req for full-dup) |
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383 | SIS900_CSI equ 0x80000000 ;CarrierSenseIgnore (Req for full-du |
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261 | hidnplayr | 384 | ;SIS900 RX Configuration Register Bits |
385 | SIS900_AJAB equ 0x08000000 ; |
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1254 | hidnplayr | 386 | SIS900_ATX equ 0x10000000 ;Accept Transmit Packets |
387 | SIS900_ARP equ 0x40000000 ;accept runt packets (<64bytes) |
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388 | SIS900_AEP equ 0x80000000 ;accept error packets |
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261 | hidnplayr | 389 | ;SIS900 Interrupt Reigster Bits |
1254 | hidnplayr | 390 | SIS900_WKEVT equ 0x10000000 |
391 | SIS900_TxPAUSEEND equ 0x08000000 |
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392 | SIS900_TxPAUSE equ 0x04000000 |
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393 | SIS900_TxRCMP equ 0x02000000 |
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394 | SIS900_RxRCMP equ 0x01000000 |
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395 | SIS900_DPERR equ 0x00800000 |
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396 | SIS900_SSERR equ 0x00400000 |
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397 | SIS900_RMABT equ 0x00200000 |
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398 | SIS900_RTABT equ 0x00100000 |
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399 | SIS900_RxSOVR equ 0x00010000 |
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400 | SIS900_HIBERR equ 0x00008000 |
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401 | SIS900_SWINT equ 0x00001000 |
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402 | SIS900_MIBINT equ 0x00000800 |
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403 | SIS900_TxURN equ 0x00000400 |
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404 | SIS900_TxIDLE equ 0x00000200 |
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405 | SIS900_TxERR equ 0x00000100 |
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406 | SIS900_TxDESC equ 0x00000080 |
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407 | SIS900_TxOK equ 0x00000040 |
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408 | SIS900_RxORN equ 0x00000020 |
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409 | SIS900_RxIDLE equ 0x00000010 |
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410 | SIS900_RxEARLY equ 0x00000008 |
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411 | SIS900_RxERR equ 0x00000004 |
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412 | SIS900_RxDESC equ 0x00000002 |
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413 | SIS900_RxOK equ 0x00000001 |
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261 | hidnplayr | 414 | ;SIS900 Interrupt Enable Reigster Bits |
1254 | hidnplayr | 415 | SIS900_IE equ 0x00000001 |
261 | hidnplayr | 416 | ;SIS900 Revision ID |
1254 | hidnplayr | 417 | SIS900B_900_REV equ 0x03 |
418 | SIS630A_900_REV equ 0x80 |
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419 | SIS630E_900_REV equ 0x81 |
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420 | SIS630S_900_REV equ 0x82 |
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421 | SIS630EA1_900_REV equ 0x83 |
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422 | SIS630ET_900_REV equ 0x84 |
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423 | SIS635A_900_REV equ 0x90 |
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424 | SIS900_960_REV equ 0x91 |
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261 | hidnplayr | 425 | ;SIS900 Receive Filter Control Register Bits |
1254 | hidnplayr | 426 | SIS900_RFEN equ 0x80000000 |
427 | SIS900_RFAAB equ 0x40000000 |
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428 | SIS900_RFAAM equ 0x20000000 |
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429 | SIS900_RFAAP equ 0x10000000 |
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261 | hidnplayr | 430 | SIS900_RFPromiscuous equ 0x70000000 |
431 | ;SIS900 Reveive Filter Data Mask |
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432 | SIS900_RFDAT equ 0x0000FFFF |
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433 | ;SIS900 Eeprom Address |
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434 | SIS900_EEPROMSignature equ 0x00 |
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435 | SIS900_EEPROMVendorID equ 0x02 |
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436 | SIS900_EEPROMDeviceID equ 0x03 |
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437 | SIS900_EEPROMMACAddr equ 0x08 |
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438 | SIS900_EEPROMChecksum equ 0x0b |
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439 | ;The EEPROM commands include the alway-set leading bit. |
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440 | ;SIS900 Eeprom Command |
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1254 | hidnplayr | 441 | SIS900_EEread equ 0x0180 |
442 | SIS900_EEwrite equ 0x0140 |
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443 | SIS900_EEerase equ 0x01C0 |
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261 | hidnplayr | 444 | SIS900_EEwriteEnable equ 0x0130 |
445 | SIS900_EEwriteDisable equ 0x0100 |
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1254 | hidnplayr | 446 | SIS900_EEeraseAll equ 0x0120 |
447 | SIS900_EEwriteAll equ 0x0110 |
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448 | SIS900_EEaddrMask equ 0x013F |
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449 | SIS900_EEcmdShift equ 16 |
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261 | hidnplayr | 450 | ;For SiS962 or SiS963, request the eeprom software access |
1254 | hidnplayr | 451 | SIS900_EEREQ equ 0x00000400 |
452 | SIS900_EEDONE equ 0x00000200 |
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453 | SIS900_EEGNT equ 0x00000100 |
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261 | hidnplayr | 454 | |
1237 | clevermous | 455 | SIS900_pci_revision equ ebx+device.pci_revision |
456 | sis900_get_mac_func equ ebx+device.get_MAC |
||
457 | sis900_special_func equ ebx+device.special_func |
||
458 | sis900_table_entries equ ebx+device.table_entries |
||
459 | cur_rx equ ebx+device.cur_rx |
||
460 | sys_msg_board_str equ SysMsgBoardStr |
||
261 | hidnplayr | 461 | ;*************************************************************************** |
462 | ; Function |
||
463 | ; SIS900_probe |
||
464 | ; Description |
||
465 | ; Searches for an ethernet card, enables it and clears the rx buffer |
||
466 | ; If a card was found, it enables the ethernet -> TCPIP link |
||
467 | ;not done - still need to probe mii transcievers |
||
468 | ;*************************************************************************** |
||
469 | if defined SIS900_DEBUG |
||
470 | SIS900_Debug_Str_Unsupported db 'Sorry your card is unsupported ',13,10,0 |
||
471 | end if |
||
472 | SIS900_probe: |
||
473 | ;******Wake Up Chip******* |
||
1237 | clevermous | 474 | stdcall PciWrite8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x40, 0 |
261 | hidnplayr | 475 | ;*******Set some PCI Settings********* |
476 | call SIS900_adjust_pci_device |
||
477 | ;*****Get Card Revision****** |
||
1237 | clevermous | 478 | stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x08 |
1254 | hidnplayr | 479 | mov [SIS900_pci_revision], al ;save the revision for later use |
261 | hidnplayr | 480 | ;****** Look up through the sis900_specific_table |
1254 | hidnplayr | 481 | mov esi,sis900_specific_table |
261 | hidnplayr | 482 | .probe_loop: |
1254 | hidnplayr | 483 | cmp dword [esi],0 ; Check if we reached end of the list |
484 | je .probe_loop_failed |
||
485 | cmp al,[esi] ; Check if revision is OK |
||
486 | je .probe_loop_ok |
||
487 | add esi,12 ; Advance to next entry |
||
488 | jmp .probe_loop |
||
261 | hidnplayr | 489 | .probe_loop_failed: |
1254 | hidnplayr | 490 | jmp SIS900_Probe_Unsupported |
261 | hidnplayr | 491 | ;*********Find Get Mac Function********* |
492 | .probe_loop_ok: |
||
1254 | hidnplayr | 493 | mov eax,[esi+4] ; Get pointer to "get MAC" function |
494 | mov [sis900_get_mac_func],eax |
||
495 | mov eax,[esi+8] ; Get pointer to special initialization fn |
||
496 | mov [sis900_special_func],eax |
||
261 | hidnplayr | 497 | ;******** Get MAC ******** |
498 | call dword [sis900_get_mac_func] |
||
499 | ;******** Call special initialization fn if requested ******** |
||
1254 | hidnplayr | 500 | cmp dword [sis900_special_func],0 |
501 | je .no_special_init |
||
261 | hidnplayr | 502 | call dword [sis900_special_func] |
503 | .no_special_init: |
||
504 | ;******** Set table entries ******** |
||
1254 | hidnplayr | 505 | mov al,[SIS900_pci_revision] |
506 | cmp al,SIS635A_900_REV |
||
507 | jae .ent16 |
||
508 | cmp al,SIS900B_900_REV |
||
509 | je .ent16 |
||
510 | mov byte [sis900_table_entries],8 |
||
511 | jmp .ent8 |
||
261 | hidnplayr | 512 | .ent16: |
1254 | hidnplayr | 513 | mov byte [sis900_table_entries],16 |
261 | hidnplayr | 514 | .ent8: |
515 | ;*******Probe for mii transceiver******* |
||
516 | ;TODO!!********************* |
||
517 | ;*******Initialize Device******* |
||
518 | call sis900_init |
||
519 | ret |
||
520 | |||
521 | SIS900_Probe_Unsupported: |
||
522 | if defined SIS900_DEBUG |
||
1254 | hidnplayr | 523 | mov esi, SIS900_Debug_Str_Unsupported |
261 | hidnplayr | 524 | call sys_msg_board_str |
525 | end if |
||
1254 | hidnplayr | 526 | or eax, -1 |
261 | hidnplayr | 527 | ret |
528 | ;*************************************************************************** |
||
529 | ; Function: sis900_init |
||
530 | ; |
||
531 | ; Description: resets the ethernet controller chip and various |
||
532 | ; data structures required for sending and receiving packets. |
||
533 | ; |
||
534 | ; Arguments: |
||
535 | ; |
||
536 | ; returns: none |
||
537 | ;not done |
||
538 | ;*************************************************************************** |
||
539 | sis900_init: |
||
1254 | hidnplayr | 540 | call SIS900_reset ;Done |
261 | hidnplayr | 541 | call SIS900_init_rxfilter ;Done |
542 | call SIS900_init_txd ;Done |
||
1254 | hidnplayr | 543 | call SIS900_init_rxd ;Done |
261 | hidnplayr | 544 | call SIS900_set_rx_mode ;done |
545 | call SIS900_set_tx_mode |
||
546 | ;call SIS900_check_mode |
||
1237 | clevermous | 547 | ; enable interrupts on packet receive |
548 | xor eax, eax |
||
549 | inc eax ; eax = 1 = SIS900_RxOK |
||
550 | mov edx, [ebx+device.io_addr] |
||
551 | add edx, SIS900_imr |
||
552 | out dx, eax |
||
553 | ; globally enable interrupts |
||
554 | add edx, SIS900_ier-SIS900_imr |
||
1254 | hidnplayr | 555 | out dx, eax ; eax is still 1 |
1237 | clevermous | 556 | xor eax, eax |
261 | hidnplayr | 557 | ret |
558 | |||
559 | ;*************************************************************************** |
||
560 | ; Function |
||
561 | ; SIS900_reset |
||
562 | ; Description |
||
563 | ; disables interrupts and soft resets the controller chip |
||
564 | ; |
||
565 | ;done+ |
||
566 | ;*************************************************************************** |
||
567 | if defined SIS900_DEBUG |
||
568 | SIS900_Debug_Reset_Failed db 'Reset Failed ',0 |
||
569 | end if |
||
570 | SIS900_reset: |
||
1237 | clevermous | 571 | movzx eax, [ebx+device.irq_line] |
1254 | hidnplayr | 572 | stdcall AttachIntHandler, eax, int_handler, 0 |
1237 | clevermous | 573 | push ebp |
1254 | hidnplayr | 574 | mov ebp, [ebx+device.io_addr] ; base address |
261 | hidnplayr | 575 | ;******Disable Interrupts and reset Receive Filter******* |
1254 | hidnplayr | 576 | xor eax, eax ; 0 to initialize |
577 | lea edx,[ebp+SIS900_ier] |
||
578 | out dx, eax ; Write 0 to location |
||
579 | lea edx,[ebp+SIS900_imr] |
||
580 | out dx, eax ; Write 0 to location |
||
581 | lea edx,[ebp+SIS900_rfcr] |
||
582 | out dx, eax ; Write 0 to location |
||
261 | hidnplayr | 583 | ;*******Reset Card*********************************************** |
1254 | hidnplayr | 584 | lea edx,[ebp+SIS900_cr] |
585 | in eax, dx ; Get current Command Register |
||
586 | or eax, SIS900_RESET ; set flags |
||
587 | or eax, SIS900_RxRESET ; |
||
588 | or eax, SIS900_TxRESET ; |
||
589 | out dx, eax ; Write new Command Register |
||
261 | hidnplayr | 590 | ;*******Wait Loop************************************************ |
1237 | clevermous | 591 | push ebx |
1254 | hidnplayr | 592 | lea edx,[ebp+SIS900_isr] |
593 | mov ecx, 0x03000000 ; Status we would like to see from card |
||
594 | mov ebx, 2001 ; only loop 1000 times |
||
261 | hidnplayr | 595 | SIS900_Wait: |
1254 | hidnplayr | 596 | dec ebx ; 1 less loop |
597 | jz SIS900_DoneWait_e ; 1000 times yet? |
||
598 | in eax, dx ; move interrup status to eax |
||
599 | and eax, ecx |
||
600 | xor ecx, eax |
||
601 | jz SIS900_DoneWait |
||
602 | jmp SIS900_Wait |
||
261 | hidnplayr | 603 | SIS900_DoneWait_e: |
604 | if defined SIS900_DEBUG |
||
605 | mov esi, SIS900_Debug_Reset_Failed |
||
606 | call sys_msg_board_str |
||
607 | end if |
||
608 | SIS900_DoneWait: |
||
1254 | hidnplayr | 609 | pop ebx |
261 | hidnplayr | 610 | ;*******Set Configuration Register depending on Card Revision******** |
1254 | hidnplayr | 611 | lea edx,[ebp+SIS900_cfg] |
612 | mov eax, SIS900_PESEL ; Configuration Register Bit |
||
613 | mov cl, [SIS900_pci_revision] ; card revision |
||
614 | cmp cl, SIS635A_900_REV |
||
615 | je SIS900_RevMatch |
||
616 | cmp cl, SIS900B_900_REV ; Check card revision |
||
617 | je SIS900_RevMatch |
||
618 | out dx, eax ; no revision match |
||
619 | jmp SIS900_Reset_Complete |
||
620 | SIS900_RevMatch: ; Revision match |
||
621 | or eax, SIS900_RND_CNT ; Configuration Register Bit |
||
622 | out dx, eax |
||
261 | hidnplayr | 623 | SIS900_Reset_Complete: |
1254 | hidnplayr | 624 | xor eax, eax |
625 | pop ebp |
||
261 | hidnplayr | 626 | ret |
627 | |||
628 | ;*************************************************************************** |
||
629 | ; Function: sis_init_rxfilter |
||
630 | ; |
||
631 | ; Description: sets receive filter address to our MAC address |
||
632 | ; |
||
633 | ; Arguments: |
||
634 | ; |
||
635 | ; returns: |
||
636 | ;done+ |
||
637 | ;*************************************************************************** |
||
638 | SIS900_init_rxfilter: |
||
1237 | clevermous | 639 | push ebp |
1254 | hidnplayr | 640 | mov ebp, [ebx+device.io_addr] ; base address |
261 | hidnplayr | 641 | ;****Get Receive Filter Control Register ******** |
1254 | hidnplayr | 642 | lea edx,[ebp+SIS900_rfcr] |
643 | in eax, dx ; get register |
||
261 | hidnplayr | 644 | push eax |
645 | ;****disable packet filtering before setting filter******* |
||
1254 | hidnplayr | 646 | mov eax, SIS900_RFEN ;move receive filter enable flag |
647 | not eax ;1s complement |
||
648 | and eax, [esp] ;disable receiver |
||
649 | out dx, eax ;set receive disabled |
||
261 | hidnplayr | 650 | ;********load MAC addr to filter data register********* |
1254 | hidnplayr | 651 | xor ecx, ecx |
261 | hidnplayr | 652 | SIS900_RXINT_Mac_Write: |
653 | ;high word of eax tells card which mac byte to write |
||
1254 | hidnplayr | 654 | mov eax, ecx |
655 | lea edx,[ebp+SIS900_rfcr] |
||
656 | shl eax, 16 ; |
||
657 | out dx, eax ; |
||
658 | lea edx,[ebp+SIS900_rfdr] |
||
659 | mov ax, word [ebx+device.mac+ecx*2] ; Get Mac ID word |
||
660 | out dx, ax ; Send Mac ID |
||
661 | inc cl ; send next word |
||
662 | cmp cl, 3 ; more to send? |
||
663 | jne SIS900_RXINT_Mac_Write |
||
261 | hidnplayr | 664 | ;********enable packet filitering ***** |
1254 | hidnplayr | 665 | pop eax ;old register value |
666 | lea edx,[ebp+SIS900_rfcr] |
||
667 | or eax, SIS900_RFEN ;enable filtering |
||
668 | out dx, eax ;set register |
||
669 | pop ebp |
||
261 | hidnplayr | 670 | ret |
671 | |||
672 | ;*************************************************************************** |
||
673 | ;* |
||
674 | ;* Function: sis_init_txd |
||
675 | ;* |
||
676 | ;* Description: initializes the Tx descriptor |
||
677 | ;* |
||
678 | ;* Arguments: |
||
679 | ;* |
||
680 | ;* returns: |
||
681 | ;*done |
||
682 | ;*************************************************************************** |
||
683 | SIS900_init_txd: |
||
684 | ;********** initialize TX descriptor ************** |
||
1254 | hidnplayr | 685 | mov [ebx+device.txd], dword 0 ;put link to next descriptor in link field |
686 | mov [ebx+device.txd+4],dword 0 ;clear status field |
||
687 | lea eax, [ebx+0x1000] |
||
1237 | clevermous | 688 | call GetPgAddr |
1254 | hidnplayr | 689 | mov [ebx+device.txd+8], eax ;save address to buffer ptr field |
261 | hidnplayr | 690 | ;*************** load Transmit Descriptor Register *************** |
1254 | hidnplayr | 691 | mov edx, [ebx+device.io_addr] ; base address |
692 | add edx, SIS900_txdp ; TX Descriptor Pointer |
||
693 | add eax, device.txd - 0x1000 ; First Descriptor |
||
694 | out dx, eax ; move the pointer |
||
261 | hidnplayr | 695 | ret |
696 | |||
697 | ;*************************************************************************** |
||
698 | ;* Function: sis_init_rxd |
||
699 | ;* |
||
700 | ;* Description: initializes the Rx descriptor ring |
||
701 | ;* |
||
702 | ;* Arguments: |
||
703 | ;* |
||
704 | ;* Returns: |
||
705 | ;*done |
||
706 | ;*************************************************************************** |
||
707 | SIS900_init_rxd: |
||
1254 | hidnplayr | 708 | xor ecx,ecx |
709 | mov [cur_rx], cl ;Set cuurent rx discriptor to 0 |
||
710 | mov eax, ebx |
||
1237 | clevermous | 711 | call GetPgAddr |
1254 | hidnplayr | 712 | mov esi, eax |
261 | hidnplayr | 713 | ;******** init RX descriptors ******** |
714 | SIS900_init_rxd_Loop: |
||
1254 | hidnplayr | 715 | mov edx, ecx ;current descriptor |
716 | imul edx, 12 ; |
||
717 | mov eax, ecx ;determine next link descriptor |
||
718 | inc eax ; |
||
719 | cmp eax, NUM_RX_DESC ; |
||
720 | jne SIS900_init_rxd_Loop_0 ; |
||
721 | xor eax, eax ; |
||
722 | SIS900_init_rxd_Loop_0: ; |
||
723 | imul eax, 12 ; |
||
1237 | clevermous | 724 | lea eax, [eax+esi+device.rxd] |
1254 | hidnplayr | 725 | mov [ebx+device.rxd+edx], eax ;save link to next descriptor |
726 | mov [ebx+device.rxd+edx+4],dword RX_BUFF_SZ ;status bits init to buf size |
||
727 | mov eax, ecx ;find where the buf is located |
||
728 | imul eax,RX_BUFF_SZ ; |
||
1237 | clevermous | 729 | lea eax, [eax+esi+0x1000+NUM_TX_DESC*TX_BUFF_SZ] |
1254 | hidnplayr | 730 | mov [ebx+device.rxd+edx+8], eax ;save buffer pointer |
731 | inc ecx ;next descriptor |
||
732 | cmp ecx, NUM_RX_DESC ; |
||
733 | jne SIS900_init_rxd_Loop ; |
||
261 | hidnplayr | 734 | ;********* load Receive Descriptor Register with address of first |
735 | ; descriptor********* |
||
1237 | clevermous | 736 | mov edx, [ebx+device.io_addr] |
737 | add edx, SIS900_rxdp |
||
738 | lea eax, [esi+device.rxd] |
||
261 | hidnplayr | 739 | out dx, eax |
740 | ret |
||
741 | |||
742 | ;*************************************************************************** |
||
743 | ;* Function: sis900_set_tx_mode |
||
744 | ;* |
||
745 | ;* Description: |
||
746 | ;* sets the transmit mode to allow for full duplex |
||
747 | ;* |
||
748 | ;* |
||
749 | ;* Arguments: |
||
750 | ;* |
||
751 | ;* Returns: |
||
752 | ;* |
||
753 | ;* Comments: |
||
754 | ;* If you are having problems transmitting packet try changing the |
||
755 | ;* Max DMA Burst, Possible settings are as follows: |
||
756 | ;* 0x00000000 = 512 bytes |
||
757 | ;* 0x00100000 = 4 bytes |
||
758 | ;* 0x00200000 = 8 bytes |
||
759 | ;* 0x00300000 = 16 bytes |
||
760 | ;* 0x00400000 = 32 bytes |
||
761 | ;* 0x00500000 = 64 bytes |
||
762 | ;* 0x00600000 = 128 bytes |
||
763 | ;* 0x00700000 = 256 bytes |
||
764 | ;*************************************************************************** |
||
765 | SIS900_set_tx_mode: |
||
1237 | clevermous | 766 | push ebp |
1254 | hidnplayr | 767 | mov ebp,[ebx+device.io_addr] |
768 | lea edx,[ebp+SIS900_cr] |
||
769 | in eax, dx ; Get current Command Register |
||
770 | or eax, SIS900_TxENA ;Enable Receive |
||
771 | out dx, eax |
||
772 | lea edx,[ebp+SIS900_txcfg]; Transmit config Register offset |
||
773 | mov eax, SIS900_ATP ;allow automatic padding |
||
774 | or eax, SIS900_HBI ;allow heartbeat ignore |
||
775 | or eax, SIS900_CSI ;allow carrier sense ignore |
||
776 | or eax, 0x00600000 ;Max DMA Burst |
||
777 | or eax, 0x00000100 ;TX Fill Threshold |
||
778 | or eax, 0x00000020 ;TX Drain Threshold |
||
779 | out dx, eax |
||
780 | pop ebp |
||
261 | hidnplayr | 781 | ret |
782 | |||
783 | ;*************************************************************************** |
||
784 | ;* Function: sis900_set_rx_mode |
||
785 | ;* |
||
786 | ;* Description: |
||
787 | ;* sets the receive mode to accept all broadcast packets and packets |
||
788 | ;* with our MAC address, and reject all multicast packets. Also allows |
||
789 | ;* full-duplex |
||
790 | ;* |
||
791 | ;* Arguments: |
||
792 | ;* |
||
793 | ;* Returns: |
||
794 | ;* |
||
795 | ;* Comments: |
||
796 | ;* If you are having problems receiving packet try changing the |
||
797 | ;* Max DMA Burst, Possible settings are as follows: |
||
798 | ;* 0x00000000 = 512 bytes |
||
799 | ;* 0x00100000 = 4 bytes |
||
800 | ;* 0x00200000 = 8 bytes |
||
801 | ;* 0x00300000 = 16 bytes |
||
802 | ;* 0x00400000 = 32 bytes |
||
803 | ;* 0x00500000 = 64 bytes |
||
804 | ;* 0x00600000 = 128 bytes |
||
805 | ;* 0x00700000 = 256 bytes |
||
806 | ;*************************************************************************** |
||
807 | SIS900_set_rx_mode: |
||
1237 | clevermous | 808 | push ebp |
1254 | hidnplayr | 809 | mov ebp,[ebx+device.io_addr] |
261 | hidnplayr | 810 | ;**************update Multicast Hash Table in Receive Filter |
1254 | hidnplayr | 811 | xor cl, cl |
261 | hidnplayr | 812 | SIS900_set_rx_mode_Loop: |
1254 | hidnplayr | 813 | mov eax, ecx |
814 | shl eax, 1 |
||
815 | lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Reg offset |
||
816 | mov eax, 4 ;determine table entry |
||
817 | add al, cl |
||
818 | shl eax, 16 |
||
819 | out dx, eax ;tell card which entry to modify |
||
820 | lea edx,[ebp+SIS900_rfdr] ; Receive Filter Control Reg offset |
||
821 | mov eax, 0xffff ;entry value |
||
822 | out dx, ax ;write value to table in card |
||
823 | inc cl ;next entry |
||
824 | cmp cl,[sis900_table_entries] ; |
||
825 | jl SIS900_set_rx_mode_Loop |
||
261 | hidnplayr | 826 | ;*******Set Receive Filter Control Register************* |
1254 | hidnplayr | 827 | lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Register offset |
828 | mov eax, SIS900_RFAAB ;accecpt all broadcast packets |
||
829 | or eax, SIS900_RFAAM ;accept all multicast packets |
||
830 | or eax, SIS900_RFAAP ;Accept all packets |
||
831 | or eax, SIS900_RFEN ;enable receiver filter |
||
832 | out dx, eax |
||
261 | hidnplayr | 833 | ;******Enable Receiver************ |
1254 | hidnplayr | 834 | lea edx,[ebp+SIS900_cr] ; Command Register offset |
835 | in eax, dx ; Get current Command Register |
||
836 | or eax, SIS900_RxENA ;Enable Receive |
||
837 | out dx, eax |
||
261 | hidnplayr | 838 | ;*********Set |
1254 | hidnplayr | 839 | lea edx,[ebp+SIS900_rxcfg] ; Receive Config Register offset |
840 | mov eax, SIS900_ATX ;Accept Transmit Packets |
||
841 | ; (Req for full-duplex and PMD Loopback) |
||
842 | or eax, 0x00600000 ;Max DMA Burst |
||
843 | or eax, 0x00000002 ;RX Drain Threshold, 8X8 bytes or 64bytes |
||
844 | out dx, eax ; |
||
845 | pop ebp |
||
261 | hidnplayr | 846 | ret |
847 | |||
848 | ;*************************************************************************** |
||
849 | ; * SIS960_get_mac_addr: - Get MAC address for SiS962 or SiS963 model |
||
850 | ; * @pci_dev: the sis900 pci device |
||
851 | ; * @net_dev: the net device to get address for |
||
852 | ; * |
||
853 | ; * SiS962 or SiS963 model, use EEPROM to store MAC address. And EEPROM |
||
854 | ; * is shared by |
||
855 | ; * LAN and 1394. When access EEPROM, send EEREQ signal to hardware first |
||
856 | ; * and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be access |
||
857 | ; * by LAN, otherwise is not. After MAC address is read from EEPROM, send |
||
858 | ; * EEDONE signal to refuse EEPROM access by LAN. |
||
859 | ; * The EEPROM map of SiS962 or SiS963 is different to SiS900. |
||
860 | ; * The signature field in SiS962 or SiS963 spec is meaningless. |
||
861 | ; * MAC address is read into @net_dev->dev_addr. |
||
862 | ; *done |
||
863 | ;* |
||
864 | ;* Return 0 is EAX = failure |
||
865 | ;*Done+ |
||
866 | ;*************************************************************************** |
||
867 | if defined SIS900_DEBUG |
||
868 | SIS900_Debug_Str_GetMac_Start db 'Attempting to get SIS900 Mac ID: ',13,10,0 |
||
869 | SIS900_Debug_Str_GetMac_Failed db 'Access to EEprom Failed',13,10,0 |
||
870 | SIS900_Debug_Str_GetMac_Address db 'Your Mac ID is: ',0 |
||
871 | SIS900_Debug_Str_GetMac_Address2 db 'Your SIS96x Mac ID is: ',0 |
||
872 | end if |
||
873 | SIS960_get_mac_addr: |
||
1237 | clevermous | 874 | push ebp |
1254 | hidnplayr | 875 | mov ebp,[ebx+device.io_addr] |
261 | hidnplayr | 876 | ;**********Send Request for eeprom access********************* |
1254 | hidnplayr | 877 | lea edx,[ebp+SIS900_mear] ; Eeprom access register |
878 | mov eax, SIS900_EEREQ ; Request access to eeprom |
||
879 | out dx, eax ; Send request |
||
880 | xor ecx,ecx ; |
||
261 | hidnplayr | 881 | ;******Loop 4000 times and if access not granted error out***** |
882 | SIS96X_Get_Mac_Wait: |
||
1254 | hidnplayr | 883 | in eax, dx ;get eeprom status |
884 | and eax, SIS900_EEGNT ;see if eeprom access granted flag is set |
||
885 | jnz SIS900_Got_EEP_Access ;if it is, go access the eeprom |
||
886 | inc ecx ;else keep waiting |
||
887 | cmp ecx, 4000 ;have we tried 4000 times yet? |
||
888 | jl SIS96X_Get_Mac_Wait ;if not ask again |
||
889 | xor eax, eax ;return zero in eax indicating failure |
||
261 | hidnplayr | 890 | ;*******Debug ********************** |
891 | if defined SIS900_DEBUG |
||
892 | mov esi,SIS900_Debug_Str_GetMac_Failed |
||
893 | call sys_msg_board_str |
||
894 | end if |
||
895 | jmp SIS960_get_mac_addr_done |
||
896 | ;**********EEprom access granted, read MAC from card************* |
||
897 | SIS900_Got_EEP_Access: |
||
898 | ; zero based so 3-16 bit reads will take place |
||
1254 | hidnplayr | 899 | mov ecx, 2 |
261 | hidnplayr | 900 | SIS96x_mac_read_loop: |
1254 | hidnplayr | 901 | mov eax, SIS900_EEPROMMACAddr ;Base Mac Address |
902 | add eax, ecx ;Current Mac Byte Offset |
||
261 | hidnplayr | 903 | push ecx |
1254 | hidnplayr | 904 | call sis900_read_eeprom ;try to read 16 bits |
905 | pop ecx |
||
906 | mov word [ebx+device.mac+ecx*2], ax ;save 16 bits to the MAC ID varible |
||
907 | dec ecx ;one less word to read |
||
908 | jns SIS96x_mac_read_loop ;if more read more |
||
909 | mov eax, 1 ;return non-zero indicating success |
||
261 | hidnplayr | 910 | ;*******Debug Print MAC ID to debug window********************** |
911 | if defined SIS900_DEBUG |
||
912 | mov esi,SIS900_Debug_Str_GetMac_Address2 |
||
913 | call sys_msg_board_str |
||
1237 | clevermous | 914 | lea edx, [ebx+device.mac] |
261 | hidnplayr | 915 | call Create_Mac_String |
916 | end if |
||
917 | ;**********Tell EEPROM We are Done Accessing It********************* |
||
918 | SIS960_get_mac_addr_done: |
||
1254 | hidnplayr | 919 | lea edx,[ebp+SIS900_mear] ; Eeprom access register |
920 | mov eax, SIS900_EEDONE ;tell eeprom we are done |
||
921 | out dx,eax |
||
922 | pop ebp |
||
261 | hidnplayr | 923 | ret |
924 | ;*************************************************************************** |
||
925 | ;* sis900_get_mac_addr: - Get MAC address for stand alone SiS900 model |
||
926 | ;* @pci_dev: the sis900 pci device |
||
927 | ;* @net_dev: the net device to get address for |
||
928 | ;* |
||
929 | ;* Older SiS900 and friends, use EEPROM to store MAC address. |
||
930 | ;* MAC address is read from read_eeprom() into @net_dev->dev_addr. |
||
931 | ;* done/untested |
||
932 | ;*************************************************************************** |
||
933 | SIS900_get_mac_addr: |
||
934 | ;*******Debug ********************** |
||
935 | if defined SIS900_DEBUG |
||
936 | mov esi,SIS900_Debug_Str_GetMac_Start |
||
937 | call sys_msg_board_str |
||
938 | end if |
||
939 | ;******** check to see if we have sane EEPROM ******* |
||
1254 | hidnplayr | 940 | mov eax, SIS900_EEPROMSignature ;Base Eeprom Signature |
941 | call sis900_read_eeprom ;try to read 16 bits |
||
261 | hidnplayr | 942 | cmp ax, 0xffff |
943 | je SIS900_Bad_Eeprom |
||
944 | cmp ax, 0 |
||
945 | je SIS900_Bad_Eeprom |
||
946 | ;**************Read MacID************** |
||
947 | ; zero based so 3-16 bit reads will take place |
||
1254 | hidnplayr | 948 | mov ecx, 2 |
261 | hidnplayr | 949 | SIS900_mac_read_loop: |
1254 | hidnplayr | 950 | mov eax, SIS900_EEPROMMACAddr ;Base Mac Address |
951 | add eax, ecx ;Current Mac Byte Offset |
||
261 | hidnplayr | 952 | push ecx |
1254 | hidnplayr | 953 | call sis900_read_eeprom ;try to read 16 bits |
954 | pop ecx |
||
955 | mov word [ebx+device.mac+ecx*2], ax ;save 16 bits to the MAC ID storage |
||
956 | dec ecx ;one less word to read |
||
957 | jns SIS900_mac_read_loop ;if more read more |
||
958 | mov eax, 1 ;return non-zero indicating success |
||
261 | hidnplayr | 959 | ;*******Debug Print MAC ID to debug window********************** |
960 | if defined SIS900_DEBUG |
||
961 | mov esi,SIS900_Debug_Str_GetMac_Address |
||
962 | call sys_msg_board_str |
||
1237 | clevermous | 963 | lea edx, [ebx+device.mac] |
261 | hidnplayr | 964 | call Create_Mac_String |
965 | end if |
||
966 | ret |
||
967 | |||
968 | SIS900_Bad_Eeprom: |
||
969 | xor eax, eax |
||
970 | ;*******Debug ********************** |
||
971 | if defined SIS900_DEBUG |
||
972 | mov esi,SIS900_Debug_Str_GetMac_Failed |
||
973 | call sys_msg_board_str |
||
974 | end if |
||
975 | ret |
||
976 | ;*************************************************************************** |
||
977 | ;* Get_Mac_SIS635_900_REV: - Get MAC address for model 635 |
||
978 | ;* |
||
979 | ;* |
||
980 | ;*************************************************************************** |
||
981 | Get_Mac_SIS635_900_REV: |
||
982 | if defined SIS900_DEBUG |
||
983 | mov esi,SIS900_Debug_Str_GetMac_Start |
||
984 | call sys_msg_board_str |
||
985 | end if |
||
1237 | clevermous | 986 | push ebp |
987 | mov ebp,[ebx+device.io_addr] |
||
261 | hidnplayr | 988 | lea edx,[ebp+SIS900_rfcr] |
1254 | hidnplayr | 989 | in eax,dx |
261 | hidnplayr | 990 | mov edi,eax ; EDI=rfcrSave |
991 | lea edx,[ebp+SIS900_cr] |
||
1254 | hidnplayr | 992 | or eax,SIS900_RELOAD |
261 | hidnplayr | 993 | out dx,eax |
994 | xor eax,eax |
||
995 | out dx,eax |
||
996 | ; Disable packet filtering before setting filter |
||
997 | lea edx,[ebp+SIS900_rfcr] |
||
998 | mov eax,edi |
||
999 | and edi,not SIS900_RFEN |
||
1000 | out dx,eax |
||
1001 | ; Load MAC to filter data register |
||
1002 | xor ecx,ecx |
||
1237 | clevermous | 1003 | lea esi,[ebx+device.mac] |
261 | hidnplayr | 1004 | .get_mac_loop: |
1005 | lea edx,[ebp+SIS900_rfcr] |
||
1006 | mov eax,ecx |
||
1007 | shl eax,SIS900_RFADDR_shift |
||
1008 | out dx,eax |
||
1009 | lea edx,[ebp+SIS900_rfdr] |
||
1254 | hidnplayr | 1010 | in eax,dx |
261 | hidnplayr | 1011 | mov [esi],ax |
1012 | add esi,2 |
||
1013 | inc ecx |
||
1014 | cmp ecx,3 |
||
1015 | jne .get_mac_loop |
||
1016 | ; Enable packet filtering |
||
1017 | ;lea edx,[ebp+SIS900_rfcr] |
||
1018 | ;mov eax,edi |
||
1019 | ;or eax,SIS900_RFEN |
||
1020 | ;out dx, eax |
||
1021 | ;*******Debug Print MAC ID to debug window********************** |
||
1022 | if defined SIS900_DEBUG |
||
1023 | mov esi,SIS900_Debug_Str_GetMac_Address |
||
1024 | call sys_msg_board_str |
||
1237 | clevermous | 1025 | lea edx, [ebx+device.mac] |
261 | hidnplayr | 1026 | call Create_Mac_String |
1027 | end if |
||
1237 | clevermous | 1028 | pop ebp |
261 | hidnplayr | 1029 | ret |
1030 | ;*************************************************************************** |
||
1031 | ;* Function: sis900_read_eeprom |
||
1032 | ;* |
||
1033 | ;* Description: reads and returns a given location from EEPROM |
||
1034 | ;* |
||
1035 | ;* Arguments: eax - location: requested EEPROM location |
||
1036 | ;* |
||
1037 | ;* Returns: eax : contents of requested EEPROM location |
||
1038 | ;* |
||
1039 | ; Read Serial EEPROM through EEPROM Access Register, Note that location is |
||
1040 | ; in word (16 bits) unit */ |
||
1041 | ;done+ |
||
1042 | ;*************************************************************************** |
||
1043 | sis900_read_eeprom: |
||
1044 | push esi |
||
1045 | push edx |
||
1046 | push ecx |
||
1047 | push ebx |
||
1237 | clevermous | 1048 | push ebp |
1254 | hidnplayr | 1049 | mov ebp,[ebx+device.io_addr] |
1050 | mov ebx, eax ;location of Mac byte to read |
||
1051 | or ebx, SIS900_EEread ; |
||
1052 | lea edx,[ebp+SIS900_mear] ; Eeprom access register |
||
1053 | xor eax, eax ; start send |
||
1054 | out dx,eax |
||
261 | hidnplayr | 1055 | call SIS900_Eeprom_Delay_1 |
1254 | hidnplayr | 1056 | mov eax, SIS900_EECLK |
1057 | out dx, eax |
||
261 | hidnplayr | 1058 | call SIS900_Eeprom_Delay_1 |
1059 | ;************ Shift the read command (9) bits out. ********* |
||
1254 | hidnplayr | 1060 | mov cl, 8 ; |
261 | hidnplayr | 1061 | sis900_read_eeprom_Send: |
1254 | hidnplayr | 1062 | mov eax, 1 |
1063 | shl eax, cl |
||
1064 | and eax, ebx |
||
261 | hidnplayr | 1065 | jz SIS900_Read_Eeprom_8 |
1254 | hidnplayr | 1066 | mov eax, 9 |
1067 | jmp SIS900_Read_Eeprom_9 |
||
261 | hidnplayr | 1068 | SIS900_Read_Eeprom_8: |
1254 | hidnplayr | 1069 | mov eax, 8 |
261 | hidnplayr | 1070 | SIS900_Read_Eeprom_9: |
1254 | hidnplayr | 1071 | out dx, eax |
261 | hidnplayr | 1072 | call SIS900_Eeprom_Delay_1 |
1254 | hidnplayr | 1073 | or eax, SIS900_EECLK |
1074 | out dx, eax |
||
261 | hidnplayr | 1075 | call SIS900_Eeprom_Delay_1 |
1254 | hidnplayr | 1076 | cmp cl, 0 |
1077 | je sis900_read_eeprom_Send_Done |
||
1078 | dec cl |
||
1079 | jmp sis900_read_eeprom_Send |
||
261 | hidnplayr | 1080 | ;********************* |
1081 | sis900_read_eeprom_Send_Done: |
||
1254 | hidnplayr | 1082 | mov eax, SIS900_EECS ; |
1083 | out dx, eax |
||
261 | hidnplayr | 1084 | call SIS900_Eeprom_Delay_1 |
1085 | ;********** Read 16-bits of data in *************** |
||
1254 | hidnplayr | 1086 | mov cx, 16 ;16 bits to read |
261 | hidnplayr | 1087 | sis900_read_eeprom_Send2: |
1088 | mov eax, SIS900_EECS |
||
1089 | out dx, eax |
||
1090 | call SIS900_Eeprom_Delay_1 |
||
1254 | hidnplayr | 1091 | or eax, SIS900_EECLK |
261 | hidnplayr | 1092 | out dx, eax |
1093 | call SIS900_Eeprom_Delay_1 |
||
1254 | hidnplayr | 1094 | in eax, dx |
261 | hidnplayr | 1095 | shl ebx, 1 |
1096 | and eax, SIS900_EEDO |
||
1254 | hidnplayr | 1097 | jz SIS900_Read_Eeprom_0 |
1098 | or ebx, 1 |
||
261 | hidnplayr | 1099 | SIS900_Read_Eeprom_0: |
1254 | hidnplayr | 1100 | dec cx |
1101 | jnz sis900_read_eeprom_Send2 |
||
261 | hidnplayr | 1102 | ;************** Terminate the EEPROM access. ************** |
1254 | hidnplayr | 1103 | xor eax, eax |
1104 | out dx, eax |
||
261 | hidnplayr | 1105 | call SIS900_Eeprom_Delay_1 |
1254 | hidnplayr | 1106 | mov eax, SIS900_EECLK |
1107 | out dx, eax |
||
1108 | mov eax, ebx |
||
1109 | and eax, 0x0000ffff ;return only 16 bits |
||
1110 | pop ebp |
||
1111 | pop ebx |
||
1112 | pop ecx |
||
1113 | pop edx |
||
1114 | pop esi |
||
261 | hidnplayr | 1115 | ret |
1116 | ;*************************************************************************** |
||
1117 | ; Function |
||
1118 | ; SIS900_Eeprom_Delay_1 |
||
1119 | ; Description |
||
1120 | ; |
||
1121 | ; |
||
1122 | ; |
||
1123 | ; |
||
1124 | ;*************************************************************************** |
||
1125 | SIS900_Eeprom_Delay_1: |
||
1126 | push eax |
||
1127 | in eax, dx |
||
1128 | pop eax |
||
1129 | ret |
||
1130 | |||
1237 | clevermous | 1131 | write_mac: |
1132 | DEBUGF 1,'Setting MAC is not supported for SIS900 card.\n' |
||
1133 | add esp, 6 |
||
1134 | ret |
||
1135 | |||
261 | hidnplayr | 1136 | ;*************************************************************************** |
1137 | ; Function |
||
1237 | clevermous | 1138 | ; int_handler |
261 | hidnplayr | 1139 | ; Description |
1237 | clevermous | 1140 | ; handles received IRQs, which signal received packets |
261 | hidnplayr | 1141 | ; |
1142 | ; Currently only supports one descriptor per packet, if packet is fragmented |
||
1143 | ; between multiple descriptors you will lose part of the packet |
||
1144 | ;*************************************************************************** |
||
1145 | if defined SIS900_DEBUG |
||
1146 | SIS900_Debug_Pull_Packet_good db 'Good Packet Waiting: ',13,10,0 |
||
1147 | SIS900_Debug_Pull_Bad_Packet_Status db 'Bad Packet Waiting: Status',13,10,0 |
||
1148 | SIS900_Debug_Pull_Bad_Packet_Size db 'Bad Packet Waiting: Size',13,10,0 |
||
1149 | end if |
||
1237 | clevermous | 1150 | int_handler: |
1151 | ; find pointer of device which made IRQ occur |
||
1152 | mov esi, DEV_LIST |
||
1153 | mov ecx, [NUM_DEV] |
||
1154 | test ecx, ecx |
||
1155 | jz .nothing |
||
1156 | .nextdevice: |
||
1157 | mov ebx, [esi] |
||
1158 | mov edx, [ebx+device.io_addr] |
||
1159 | add edx, SIS900_isr |
||
1254 | hidnplayr | 1160 | in eax, dx ; note that this clears all interrupts |
1237 | clevermous | 1161 | test al, SIS900_RxOK |
1162 | jnz .got_it |
||
1163 | loop .nextdevice |
||
1164 | .nothing: |
||
1165 | ret |
||
1166 | .got_it: |
||
261 | hidnplayr | 1167 | ;**************Get Status ************** |
1254 | hidnplayr | 1168 | movzx eax, [ebx+device.cur_rx] ;find current discriptor |
1169 | imul eax, 12 ; |
||
1170 | mov ecx, [ebx+device.rxd+eax+4] ; get receive status |
||
261 | hidnplayr | 1171 | ;**************Check Status ************** |
1172 | ;Check RX_Status to see if packet is waiting |
||
1237 | clevermous | 1173 | test ecx, 0x80000000 |
261 | hidnplayr | 1174 | jnz SIS900_poll_IS_packet |
1175 | ret |
||
1176 | ;**********There is a packet waiting check it for errors************** |
||
1177 | SIS900_poll_IS_packet: |
||
1254 | hidnplayr | 1178 | test ecx, 0x67C0000 ;see if there are any errors |
261 | hidnplayr | 1179 | jnz SIS900_Poll_Error_Status |
1180 | ;**************Check size of packet************* |
||
1254 | hidnplayr | 1181 | and ecx, SIS900_DSIZE ;get packet size minus CRC |
1182 | cmp ecx, SIS900_CRC_SIZE |
||
261 | hidnplayr | 1183 | ;make sure packet contains data |
1254 | hidnplayr | 1184 | jle SIS900_Poll_Error_Size |
261 | hidnplayr | 1185 | ;*******Copy Good Packet to receive buffer****** |
1254 | hidnplayr | 1186 | sub ecx, SIS900_CRC_SIZE ;dont want crc |
1237 | clevermous | 1187 | ; update statistics |
1254 | hidnplayr | 1188 | inc dword [ebx+device.packets_rx] |
1189 | add dword [ebx+device.bytes_rx], ecx |
||
1190 | adc dword [ebx+device.bytes_rx+4], 0 |
||
1237 | clevermous | 1191 | push ecx |
1192 | stdcall KernelAlloc, ecx |
||
1254 | hidnplayr | 1193 | pop ecx |
1237 | clevermous | 1194 | test eax, eax |
1254 | hidnplayr | 1195 | jz int_handler.nothing |
1237 | clevermous | 1196 | push ebx |
1197 | push .return ; return address for EthReceiver |
||
261 | hidnplayr | 1198 | ;**********Continue copying packet**************** |
1237 | clevermous | 1199 | push ecx eax ; save buffer pointer and size for EthReceiver |
1254 | hidnplayr | 1200 | mov edi, eax |
1237 | clevermous | 1201 | movzx esi, byte [ebx+device.cur_rx] |
1202 | imul esi, RX_BUFF_SZ |
||
1254 | hidnplayr | 1203 | lea esi, [esi+ebx+0x1000+NUM_TX_DESC*TX_BUFF_SZ] |
261 | hidnplayr | 1204 | ; first copy dword-wise, divide size by 4 |
1254 | hidnplayr | 1205 | shr ecx, 2 |
1206 | rep movsd ; copy the dwords |
||
1207 | mov ecx, [esp+4] |
||
1208 | and ecx, 3 ; |
||
1209 | rep movsb |
||
261 | hidnplayr | 1210 | ;********Debug, tell user we have a good packet************* |
1211 | if defined SIS900_DEBUG |
||
1254 | hidnplayr | 1212 | mov esi, SIS900_Debug_Pull_Packet_good |
261 | hidnplayr | 1213 | call sys_msg_board_str |
1214 | end if |
||
1254 | hidnplayr | 1215 | jmp EthReceiver |
1237 | clevermous | 1216 | .return: |
1254 | hidnplayr | 1217 | pop ebx |
1218 | jmp SIS900_Poll_Cnt |
||
261 | hidnplayr | 1219 | ;*************Error occured let user know through debug window*********** |
1220 | SIS900_Poll_Error_Status: |
||
1221 | if defined SIS900_DEBUG |
||
1254 | hidnplayr | 1222 | mov esi, SIS900_Debug_Pull_Bad_Packet_Status |
1223 | call sys_msg_board_str |
||
261 | hidnplayr | 1224 | end if |
1254 | hidnplayr | 1225 | jmp SIS900_Poll_Cnt |
261 | hidnplayr | 1226 | SIS900_Poll_Error_Size: |
1227 | if defined SIS900_DEBUG |
||
1254 | hidnplayr | 1228 | mov esi, SIS900_Debug_Pull_Bad_Packet_Size |
1229 | call sys_msg_board_str |
||
261 | hidnplayr | 1230 | end if |
1231 | ;*************Increment to next available descriptor************** |
||
1232 | SIS900_Poll_Cnt: |
||
1233 | ;Reset status, allow ethernet card access to descriptor |
||
1237 | clevermous | 1234 | movzx eax, [ebx+device.cur_rx] |
1254 | hidnplayr | 1235 | lea eax, [eax*3] |
1236 | mov ecx, RX_BUFF_SZ |
||
1237 | mov [ebx+device.rxd+eax*4+4], ecx ; |
||
1238 | inc [ebx+device.cur_rx] ;get next descriptor |
||
1239 | and [ebx+device.cur_rx],NUM_RX_DESC-1 ;only 4 descriptors 0-3 |
||
261 | hidnplayr | 1240 | ;******Enable Receiver************ |
1254 | hidnplayr | 1241 | mov edx, [ebx+device.io_addr] |
1242 | add edx, SIS900_cr ; Command Register offset |
||
1243 | in eax, dx ; Get current Command Register |
||
1244 | or eax, SIS900_RxENA ;Enable Receive |
||
1245 | out dx, eax |
||
261 | hidnplayr | 1246 | ret |
1247 | ;*************************************************************************** |
||
1248 | ; Function |
||
1237 | clevermous | 1249 | ; transmit |
261 | hidnplayr | 1250 | ; Description |
1251 | ; Transmits a packet of data via the ethernet card |
||
1254 | hidnplayr | 1252 | ; buffer pointer in [esp+4] |
1253 | ; size of buffer in [esp+8] |
||
1237 | clevermous | 1254 | ; pointer to device structure in ebx |
261 | hidnplayr | 1255 | ; |
1256 | ; only one transmit descriptor is used |
||
1257 | ; |
||
1258 | ;*************************************************************************** |
||
1259 | if defined SIS900_DEBUG |
||
1260 | SIS900_Debug_Transmit_Packet db 'Transmitting Packet: ',13,10,0 |
||
1261 | SIS900_Debug_Transmit_Packet_Err db 'Transmitting Packet Error: ',13,10,0 |
||
1262 | end if |
||
735 | diamond | 1263 | str1 db 'Transmitting packet:',13,10,0 |
1264 | str2 db ' ',0 |
||
1237 | clevermous | 1265 | transmit: |
1254 | hidnplayr | 1266 | cmp dword [esp+8], MAX_ETH_FRAME_SIZE |
1267 | jg transmit_finish |
||
1268 | cmp dword [esp+8], 60 |
||
1269 | jl transmit_finish |
||
1237 | clevermous | 1270 | push ebp |
1254 | hidnplayr | 1271 | mov ebp, [ebx+device.io_addr] ; Base Address |
261 | hidnplayr | 1272 | ;******** Stop the transmitter ******** |
1254 | hidnplayr | 1273 | lea edx,[ebp+SIS900_cr] ; Command Register offset |
1274 | in eax, dx ; Get current Command Register |
||
1275 | or eax, SIS900_TxDIS ; Disable Transmitter |
||
1276 | out dx, eax |
||
261 | hidnplayr | 1277 | ;*******load Transmit Descriptor Register ******* |
1254 | hidnplayr | 1278 | lea edx,[ebp+SIS900_txdp] |
1279 | mov eax, ebx |
||
1237 | clevermous | 1280 | call GetPgAddr |
1254 | hidnplayr | 1281 | add eax, device.txd |
1282 | out dx, eax |
||
261 | hidnplayr | 1283 | ;******* copy packet to descriptor******* |
1254 | hidnplayr | 1284 | mov esi, [esp+8] |
1285 | lea edi, [ebx+0x1000] |
||
1286 | mov ecx, [esp+12] |
||
1287 | mov edx, ecx |
||
1288 | shr ecx, 2 |
||
1289 | and edx, 3 |
||
1290 | rep movsd |
||
1291 | mov ecx, edx |
||
1292 | rep movsb |
||
261 | hidnplayr | 1293 | ;**************set length tag************** |
1254 | hidnplayr | 1294 | mov ecx, [esp+12] ;restore packet size |
1295 | and ecx, SIS900_DSIZE ; |
||
1296 | inc [ebx+device.packets_tx] |
||
1297 | add dword [ebx+device.bytes_tx], ecx |
||
1298 | adc dword [ebx+device.bytes_tx+4], 0 |
||
261 | hidnplayr | 1299 | ;**************pad to minimum packet size **************not needed |
1300 | ;cmp ecx, SIS900_ETH_ZLEN |
||
1301 | ;jge SIS900_transmit_Size_Ok |
||
1302 | ;push ecx |
||
1303 | ;mov ebx, SIS900_ETH_ZLEN |
||
1304 | ;sub ebx, ecx |
||
1305 | ;mov ecx, ebx |
||
1306 | ;rep movsb |
||
1307 | ;pop ecx |
||
1308 | SIS900_transmit_Size_Ok: |
||
1254 | hidnplayr | 1309 | or ecx, 0x80000000 ;card owns descriptor |
1310 | mov [ebx+device.txd+4], ecx |
||
261 | hidnplayr | 1311 | if defined SIS900_DEBUG |
1254 | hidnplayr | 1312 | mov esi, SIS900_Debug_Transmit_Packet |
261 | hidnplayr | 1313 | call sys_msg_board_str |
1314 | end if |
||
1315 | ;***************restart the transmitter ******** |
||
1254 | hidnplayr | 1316 | lea edx,[ebp+SIS900_cr] |
1317 | in eax, dx ; Get current Command Register |
||
1318 | or eax, SIS900_TxENA ; Enable Transmitter |
||
1319 | out dx, eax |
||
261 | hidnplayr | 1320 | ;****make sure packet transmitted successfully**** |
1321 | ; mov esi,10 |
||
1322 | ; call delay_ms |
||
1254 | hidnplayr | 1323 | mov eax, [ebx+device.txd+4] |
1324 | and eax, 0x6200000 |
||
1325 | jz SIS900_transmit_OK |
||
261 | hidnplayr | 1326 | ;**************Tell user there was an error through debug window |
1327 | if defined SIS900_DEBUG |
||
1254 | hidnplayr | 1328 | mov esi, SIS900_Debug_Transmit_Packet_Err |
261 | hidnplayr | 1329 | call sys_msg_board_str |
1330 | end if |
||
1331 | SIS900_transmit_OK: |
||
1254 | hidnplayr | 1332 | pop ebp |
1237 | clevermous | 1333 | transmit_finish: |
261 | hidnplayr | 1334 | ret |
1335 | |||
1336 | ;*************************************************************************** |
||
1337 | ;* Function: Create_Mac_String |
||
1338 | ;* |
||
1339 | ;* Description: Converts the 48 bit value to a string for display |
||
1340 | ;* |
||
1341 | ;* String Format: XX:XX:XX:XX:XX:XX |
||
1342 | ;* |
||
1343 | ;* Arguments: node_addr is location of 48 bit MAC ID |
||
1344 | ;* |
||
1345 | ;* Returns: Prints string to general debug window |
||
1346 | ;* |
||
1347 | ;* |
||
1348 | ;done |
||
1349 | ;*************************************************************************** |
||
1350 | if defined SIS900_DEBUG |
||
1351 | |||
1352 | SIS900_Char_String db '0','1','2','3','4','5','6','7','8','9' |
||
1254 | hidnplayr | 1353 | db 'A','B','C','D','E','F' |
261 | hidnplayr | 1354 | Mac_str_build: times 20 db 0 |
1355 | Create_Mac_String: |
||
1356 | pusha |
||
1357 | xor ecx, ecx |
||
1358 | Create_Mac_String_loop: |
||
1359 | mov al,byte [edx+ecx];[node_addr+ecx] |
||
1360 | push eax |
||
1361 | shr eax, 4 |
||
1362 | and eax, 0x0f |
||
1363 | mov bl, byte [SIS900_Char_String+eax] |
||
1364 | mov [Mac_str_build+ecx*3], bl |
||
1365 | pop eax |
||
1366 | and eax, 0x0f |
||
1367 | mov bl, byte [SIS900_Char_String+eax] |
||
1368 | mov [Mac_str_build+1+ecx*3], bl |
||
1369 | cmp ecx, 5 |
||
1370 | je Create_Mac_String_done |
||
1371 | mov bl, ':' |
||
1372 | mov [Mac_str_build+2+ecx*3], bl |
||
1373 | inc ecx |
||
1374 | jmp Create_Mac_String_loop |
||
1254 | hidnplayr | 1375 | Create_Mac_String_done: ;Insert CR and Zero Terminate |
261 | hidnplayr | 1376 | mov [Mac_str_build+2+ecx*3],byte 13 |
1377 | mov [Mac_str_build+3+ecx*3],byte 10 |
||
1378 | mov [Mac_str_build+4+ecx*3],byte 0 |
||
1379 | mov esi, Mac_str_build |
||
1254 | hidnplayr | 1380 | call sys_msg_board_str ;Print String to message board |
261 | hidnplayr | 1381 | popa |
1382 | ret |
||
1383 | end if |
||
1384 | ;*************************************************************************** |
||
1385 | ;* Set device to be a busmaster in case BIOS neglected to do so. |
||
1386 | ;* Also adjust PCI latency timer to a reasonable value, 64. |
||
1387 | ;*************************************************************************** |
||
1388 | SIS900_adjust_pci_device: |
||
1389 | ;*******Get current setting************************ |
||
1237 | clevermous | 1390 | stdcall PciRead16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x04 |
261 | hidnplayr | 1391 | ;******see if its already set as bus master******** |
1254 | hidnplayr | 1392 | mov cx, ax |
1393 | and cx,5 |
||
1394 | cmp cx,5 |
||
1395 | je SIS900_adjust_pci_device_Latency |
||
261 | hidnplayr | 1396 | ;******Make card a bus master******* |
1254 | hidnplayr | 1397 | mov cx, ax ;value to write |
1398 | or cx,5 |
||
1237 | clevermous | 1399 | stdcall PciWrite16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x04, ecx |
261 | hidnplayr | 1400 | ;******Check latency setting*********** |
1401 | SIS900_adjust_pci_device_Latency: |
||
1402 | ;*******Get current latency setting************************ |
||
1237 | clevermous | 1403 | stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x0D |
261 | hidnplayr | 1404 | ;******see if its aat least 64 clocks******** |
1254 | hidnplayr | 1405 | cmp al,64 |
1406 | jge SIS900_adjust_pci_device_Done |
||
261 | hidnplayr | 1407 | ;******Set latency to 32 clocks******* |
1237 | clevermous | 1408 | stdcall PciWrite8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x0D, 64 |
261 | hidnplayr | 1409 | ;******Check latency setting*********** |
1410 | SIS900_adjust_pci_device_Done: |
||
1411 | ret |
||
1237 | clevermous | 1412 | |
1413 | ; End of code |
||
1414 | |||
1415 | align 4 ; Place all initialised data here |
||
1416 | |||
1417 | NUM_DEV dd 0 |
||
1418 | |||
1419 | sis900_specific_table: |
||
1420 | ; dd SIS630A_900_REV,Get_Mac_SIS630A_900_REV,0 |
||
1421 | ; dd SIS630E_900_REV,Get_Mac_SIS630E_900_REV,0 |
||
1422 | dd SIS630S_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1423 | dd SIS630EA1_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1424 | dd SIS630ET_900_REV,Get_Mac_SIS635_900_REV,0;SIS630ET_900_REV_SpecialFN |
||
1425 | dd SIS635A_900_REV,Get_Mac_SIS635_900_REV,0 |
||
1426 | dd SIS900_960_REV,SIS960_get_mac_addr,0 |
||
1427 | dd SIS900B_900_REV,SIS900_get_mac_addr,0 |
||
1428 | dd 0,0,0,0 ; end of list |
||
1429 | |||
1430 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
||
1431 | my_service db 'SIS900',0 ; max 16 chars include zero |
||
1432 | |||
1433 | include_debug_strings ; All data wich FDO uses will be included here |
||
1434 | |||
1435 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1436 | |||
1254 | hidnplayr | 1437 | DEV_LIST rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling64bytes) |
1237 | clevermous | 1438 |