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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;; i8254x driver for KolibriOS ;; |
6 | ;; i8254x driver for KolibriOS ;; |
7 | ;; ;; |
7 | ;; ;; |
8 | ;; based on i8254x.asm from baremetal os ;; |
8 | ;; based on i8254x.asm from baremetal os ;; |
9 | ;; ;; |
9 | ;; ;; |
10 | ;; Written by hidnplayr (hidnplayr@gmail.com) ;; |
10 | ;; Written by hidnplayr (hidnplayr@gmail.com) ;; |
11 | ;; ;; |
11 | ;; ;; |
12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
13 | ;; Version 2, June 1991 ;; |
13 | ;; Version 2, June 1991 ;; |
14 | ;; ;; |
14 | ;; ;; |
15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
16 | 16 | ||
17 | format PE DLL native |
17 | format PE DLL native |
18 | entry START |
18 | entry START |
19 | 19 | ||
20 | CURRENT_API = 0x0200 |
20 | CURRENT_API = 0x0200 |
21 | COMPATIBLE_API = 0x0100 |
21 | COMPATIBLE_API = 0x0100 |
22 | API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
22 | API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
23 | 23 | ||
24 | MAX_DEVICES = 16 |
24 | MAX_DEVICES = 16 |
25 | 25 | ||
26 | __DEBUG__ = 1 |
26 | __DEBUG__ = 1 |
27 | __DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only |
27 | __DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only |
28 | 28 | ||
29 | MAX_PKT_SIZE = 4096 ; Maximum packet size |
29 | MAX_PKT_SIZE = 4096 ; Maximum packet size |
30 | 30 | ||
31 | RX_RING_SIZE = 8 ; Must be a power of 2, and minimum 8 |
31 | RX_RING_SIZE = 8 ; Must be a power of 2, and minimum 8 |
32 | TX_RING_SIZE = 8 ; Must be a power of 2, and minimum 8 |
32 | TX_RING_SIZE = 8 ; Must be a power of 2, and minimum 8 |
33 | 33 | ||
34 | section '.flat' readable writable executable |
34 | section '.flat' readable writable executable |
35 | 35 | ||
36 | include '../proc32.inc' |
36 | include '../proc32.inc' |
37 | include '../struct.inc' |
37 | include '../struct.inc' |
38 | include '../macros.inc' |
38 | include '../macros.inc' |
39 | include '../fdo.inc' |
39 | include '../fdo.inc' |
40 | include '../netdrv_pe.inc' |
40 | include '../netdrv.inc' |
41 | 41 | ||
42 | ; Register list |
42 | ; Register list |
43 | REG_CTRL = 0x0000 ; Control Register |
43 | REG_CTRL = 0x0000 ; Control Register |
44 | REG_STATUS = 0x0008 ; Device Status Register |
44 | REG_STATUS = 0x0008 ; Device Status Register |
45 | REG_CTRLEXT = 0x0018 ; Extended Control Register |
45 | REG_CTRLEXT = 0x0018 ; Extended Control Register |
46 | REG_MDIC = 0x0020 ; MDI Control Register |
46 | REG_MDIC = 0x0020 ; MDI Control Register |
47 | REG_FCAL = 0x0028 ; Flow Control Address Low |
47 | REG_FCAL = 0x0028 ; Flow Control Address Low |
48 | REG_FCAH = 0x002C ; Flow Control Address High |
48 | REG_FCAH = 0x002C ; Flow Control Address High |
49 | REG_FCT = 0x0030 ; Flow Control Type |
49 | REG_FCT = 0x0030 ; Flow Control Type |
50 | REG_VET = 0x0038 ; VLAN Ether Type |
50 | REG_VET = 0x0038 ; VLAN Ether Type |
51 | REG_ICR = 0x00C0 ; Interrupt Cause Read |
51 | REG_ICR = 0x00C0 ; Interrupt Cause Read |
52 | REG_ITR = 0x00C4 ; Interrupt Throttling Register |
52 | REG_ITR = 0x00C4 ; Interrupt Throttling Register |
53 | REG_ICS = 0x00C8 ; Interrupt Cause Set Register |
53 | REG_ICS = 0x00C8 ; Interrupt Cause Set Register |
54 | REG_IMS = 0x00D0 ; Interrupt Mask Set/Read Register |
54 | REG_IMS = 0x00D0 ; Interrupt Mask Set/Read Register |
55 | REG_IMC = 0x00D8 ; Interrupt Mask Clear Register |
55 | REG_IMC = 0x00D8 ; Interrupt Mask Clear Register |
56 | REG_RCTL = 0x0100 ; Receive Control Register |
56 | REG_RCTL = 0x0100 ; Receive Control Register |
57 | REG_FCTTV = 0x0170 ; Flow Control Transmit Timer Value |
57 | REG_FCTTV = 0x0170 ; Flow Control Transmit Timer Value |
58 | REG_TXCW = 0x0178 ; Transmit Configuration Word |
58 | REG_TXCW = 0x0178 ; Transmit Configuration Word |
59 | REG_RXCW = 0x0180 ; Receive Configuration Word |
59 | REG_RXCW = 0x0180 ; Receive Configuration Word |
60 | REG_TCTL = 0x0400 ; Transmit Control Register |
60 | REG_TCTL = 0x0400 ; Transmit Control Register |
61 | REG_TIPG = 0x0410 ; Transmit Inter Packet Gap |
61 | REG_TIPG = 0x0410 ; Transmit Inter Packet Gap |
62 | 62 | ||
63 | REG_LEDCTL = 0x0E00 ; LED Control |
63 | REG_LEDCTL = 0x0E00 ; LED Control |
64 | REG_PBA = 0x1000 ; Packet Buffer Allocation |
64 | REG_PBA = 0x1000 ; Packet Buffer Allocation |
65 | 65 | ||
66 | REG_RDBAL = 0x2800 ; RX Descriptor Base Address Low |
66 | REG_RDBAL = 0x2800 ; RX Descriptor Base Address Low |
67 | REG_RDBAH = 0x2804 ; RX Descriptor Base Address High |
67 | REG_RDBAH = 0x2804 ; RX Descriptor Base Address High |
68 | REG_RDLEN = 0x2808 ; RX Descriptor Length |
68 | REG_RDLEN = 0x2808 ; RX Descriptor Length |
69 | REG_RDH = 0x2810 ; RX Descriptor Head |
69 | REG_RDH = 0x2810 ; RX Descriptor Head |
70 | REG_RDT = 0x2818 ; RX Descriptor Tail |
70 | REG_RDT = 0x2818 ; RX Descriptor Tail |
71 | REG_RDTR = 0x2820 ; RX Delay Timer Register |
71 | REG_RDTR = 0x2820 ; RX Delay Timer Register |
72 | REG_RXDCTL = 0x3828 ; RX Descriptor Control |
72 | REG_RXDCTL = 0x3828 ; RX Descriptor Control |
73 | REG_RADV = 0x282C ; RX Int. Absolute Delay Timer |
73 | REG_RADV = 0x282C ; RX Int. Absolute Delay Timer |
74 | REG_RSRPD = 0x2C00 ; RX Small Packet Detect Interrupt |
74 | REG_RSRPD = 0x2C00 ; RX Small Packet Detect Interrupt |
75 | 75 | ||
76 | REG_TXDMAC = 0x3000 ; TX DMA Control |
76 | REG_TXDMAC = 0x3000 ; TX DMA Control |
77 | REG_TDBAL = 0x3800 ; TX Descriptor Base Address Low |
77 | REG_TDBAL = 0x3800 ; TX Descriptor Base Address Low |
78 | REG_TDBAH = 0x3804 ; TX Descriptor Base Address High |
78 | REG_TDBAH = 0x3804 ; TX Descriptor Base Address High |
79 | REG_TDLEN = 0x3808 ; TX Descriptor Length |
79 | REG_TDLEN = 0x3808 ; TX Descriptor Length |
80 | REG_TDH = 0x3810 ; TX Descriptor Head |
80 | REG_TDH = 0x3810 ; TX Descriptor Head |
81 | REG_TDT = 0x3818 ; TX Descriptor Tail |
81 | REG_TDT = 0x3818 ; TX Descriptor Tail |
82 | REG_TIDV = 0x3820 ; TX Interrupt Delay Value |
82 | REG_TIDV = 0x3820 ; TX Interrupt Delay Value |
83 | REG_TXDCTL = 0x3828 ; TX Descriptor Control |
83 | REG_TXDCTL = 0x3828 ; TX Descriptor Control |
84 | REG_TADV = 0x382C ; TX Absolute Interrupt Delay Value |
84 | REG_TADV = 0x382C ; TX Absolute Interrupt Delay Value |
85 | REG_TSPMT = 0x3830 ; TCP Segmentation Pad & Min Threshold |
85 | REG_TSPMT = 0x3830 ; TCP Segmentation Pad & Min Threshold |
86 | 86 | ||
87 | REG_RXCSUM = 0x5000 ; RX Checksum Control |
87 | REG_RXCSUM = 0x5000 ; RX Checksum Control |
88 | 88 | ||
89 | ; Register list for i8254x |
89 | ; Register list for i8254x |
90 | I82542_REG_RDTR = 0x0108 ; RX Delay Timer Register |
90 | I82542_REG_RDTR = 0x0108 ; RX Delay Timer Register |
91 | I82542_REG_RDBAL = 0x0110 ; RX Descriptor Base Address Low |
91 | I82542_REG_RDBAL = 0x0110 ; RX Descriptor Base Address Low |
92 | I82542_REG_RDBAH = 0x0114 ; RX Descriptor Base Address High |
92 | I82542_REG_RDBAH = 0x0114 ; RX Descriptor Base Address High |
93 | I82542_REG_RDLEN = 0x0118 ; RX Descriptor Length |
93 | I82542_REG_RDLEN = 0x0118 ; RX Descriptor Length |
94 | I82542_REG_RDH = 0x0120 ; RDH for i82542 |
94 | I82542_REG_RDH = 0x0120 ; RDH for i82542 |
95 | I82542_REG_RDT = 0x0128 ; RDT for i82542 |
95 | I82542_REG_RDT = 0x0128 ; RDT for i82542 |
96 | I82542_REG_TDBAL = 0x0420 ; TX Descriptor Base Address Low |
96 | I82542_REG_TDBAL = 0x0420 ; TX Descriptor Base Address Low |
97 | I82542_REG_TDBAH = 0x0424 ; TX Descriptor Base Address Low |
97 | I82542_REG_TDBAH = 0x0424 ; TX Descriptor Base Address Low |
98 | I82542_REG_TDLEN = 0x0428 ; TX Descriptor Length |
98 | I82542_REG_TDLEN = 0x0428 ; TX Descriptor Length |
99 | I82542_REG_TDH = 0x0430 ; TDH for i82542 |
99 | I82542_REG_TDH = 0x0430 ; TDH for i82542 |
100 | I82542_REG_TDT = 0x0438 ; TDT for i82542 |
100 | I82542_REG_TDT = 0x0438 ; TDT for i82542 |
101 | 101 | ||
102 | ; CTRL - Control Register (0x0000) |
102 | ; CTRL - Control Register (0x0000) |
103 | CTRL_FD = 0x00000001 ; Full Duplex |
103 | CTRL_FD = 0x00000001 ; Full Duplex |
104 | CTRL_LRST = 0x00000008 ; Link Reset |
104 | CTRL_LRST = 0x00000008 ; Link Reset |
105 | CTRL_ASDE = 0x00000020 ; Auto-speed detection |
105 | CTRL_ASDE = 0x00000020 ; Auto-speed detection |
106 | CTRL_SLU = 0x00000040 ; Set Link Up |
106 | CTRL_SLU = 0x00000040 ; Set Link Up |
107 | CTRL_ILOS = 0x00000080 ; Invert Loss of Signal |
107 | CTRL_ILOS = 0x00000080 ; Invert Loss of Signal |
108 | CTRL_SPEED_MASK = 0x00000300 ; Speed selection |
108 | CTRL_SPEED_MASK = 0x00000300 ; Speed selection |
109 | CTRL_SPEED_SHIFT = 8 |
109 | CTRL_SPEED_SHIFT = 8 |
110 | CTRL_FRCSPD = 0x00000800 ; Force Speed |
110 | CTRL_FRCSPD = 0x00000800 ; Force Speed |
111 | CTRL_FRCDPLX = 0x00001000 ; Force Duplex |
111 | CTRL_FRCDPLX = 0x00001000 ; Force Duplex |
112 | CTRL_SDP0_DATA = 0x00040000 ; SDP0 data |
112 | CTRL_SDP0_DATA = 0x00040000 ; SDP0 data |
113 | CTRL_SDP1_DATA = 0x00080000 ; SDP1 data |
113 | CTRL_SDP1_DATA = 0x00080000 ; SDP1 data |
114 | CTRL_SDP0_IODIR = 0x00400000 ; SDP0 direction |
114 | CTRL_SDP0_IODIR = 0x00400000 ; SDP0 direction |
115 | CTRL_SDP1_IODIR = 0x00800000 ; SDP1 direction |
115 | CTRL_SDP1_IODIR = 0x00800000 ; SDP1 direction |
116 | CTRL_RST = 0x04000000 ; Device Reset |
116 | CTRL_RST = 0x04000000 ; Device Reset |
117 | CTRL_RFCE = 0x08000000 ; RX Flow Ctrl Enable |
117 | CTRL_RFCE = 0x08000000 ; RX Flow Ctrl Enable |
118 | CTRL_TFCE = 0x10000000 ; TX Flow Ctrl Enable |
118 | CTRL_TFCE = 0x10000000 ; TX Flow Ctrl Enable |
119 | CTRL_VME = 0x40000000 ; VLAN Mode Enable |
119 | CTRL_VME = 0x40000000 ; VLAN Mode Enable |
120 | CTRL_PHY_RST = 0x80000000 ; PHY reset |
120 | CTRL_PHY_RST = 0x80000000 ; PHY reset |
121 | 121 | ||
122 | ; STATUS - Device Status Register (0x0008) |
122 | ; STATUS - Device Status Register (0x0008) |
123 | STATUS_FD = 0x00000001 ; Full Duplex |
123 | STATUS_FD = 0x00000001 ; Full Duplex |
124 | STATUS_LU = 0x00000002 ; Link Up |
124 | STATUS_LU = 0x00000002 ; Link Up |
125 | STATUS_TXOFF = 0x00000010 ; Transmit paused |
125 | STATUS_TXOFF = 0x00000010 ; Transmit paused |
126 | STATUS_TBIMODE = 0x00000020 ; TBI Mode |
126 | STATUS_TBIMODE = 0x00000020 ; TBI Mode |
127 | STATUS_SPEED_MASK = 0x000000C0 ; Link Speed setting |
127 | STATUS_SPEED_MASK = 0x000000C0 ; Link Speed setting |
128 | STATUS_SPEED_SHIFT = 6 |
128 | STATUS_SPEED_SHIFT = 6 |
129 | STATUS_ASDV_MASK = 0x00000300 ; Auto Speed Detection |
129 | STATUS_ASDV_MASK = 0x00000300 ; Auto Speed Detection |
130 | STATUS_ASDV_SHIFT = 8 |
130 | STATUS_ASDV_SHIFT = 8 |
131 | STATUS_PCI66 = 0x00000800 ; PCI bus speed |
131 | STATUS_PCI66 = 0x00000800 ; PCI bus speed |
132 | STATUS_BUS64 = 0x00001000 ; PCI bus width |
132 | STATUS_BUS64 = 0x00001000 ; PCI bus width |
133 | STATUS_PCIX_MODE = 0x00002000 ; PCI-X mode |
133 | STATUS_PCIX_MODE = 0x00002000 ; PCI-X mode |
134 | STATUS_PCIXSPD_MASK = 0x0000C000 ; PCI-X speed |
134 | STATUS_PCIXSPD_MASK = 0x0000C000 ; PCI-X speed |
135 | STATUS_PCIXSPD_SHIFT = 14 |
135 | STATUS_PCIXSPD_SHIFT = 14 |
136 | 136 | ||
137 | ; CTRL_EXT - Extended Device Control Register (0x0018) |
137 | ; CTRL_EXT - Extended Device Control Register (0x0018) |
138 | CTRLEXT_PHY_INT = 0x00000020 ; PHY interrupt |
138 | CTRLEXT_PHY_INT = 0x00000020 ; PHY interrupt |
139 | CTRLEXT_SDP6_DATA = 0x00000040 ; SDP6 data |
139 | CTRLEXT_SDP6_DATA = 0x00000040 ; SDP6 data |
140 | CTRLEXT_SDP7_DATA = 0x00000080 ; SDP7 data |
140 | CTRLEXT_SDP7_DATA = 0x00000080 ; SDP7 data |
141 | CTRLEXT_SDP6_IODIR = 0x00000400 ; SDP6 direction |
141 | CTRLEXT_SDP6_IODIR = 0x00000400 ; SDP6 direction |
142 | CTRLEXT_SDP7_IODIR = 0x00000800 ; SDP7 direction |
142 | CTRLEXT_SDP7_IODIR = 0x00000800 ; SDP7 direction |
143 | CTRLEXT_ASDCHK = 0x00001000 ; Auto-Speed Detect Chk |
143 | CTRLEXT_ASDCHK = 0x00001000 ; Auto-Speed Detect Chk |
144 | CTRLEXT_EE_RST = 0x00002000 ; EEPROM reset |
144 | CTRLEXT_EE_RST = 0x00002000 ; EEPROM reset |
145 | CTRLEXT_SPD_BYPS = 0x00008000 ; Speed Select Bypass |
145 | CTRLEXT_SPD_BYPS = 0x00008000 ; Speed Select Bypass |
146 | CTRLEXT_RO_DIS = 0x00020000 ; Relaxed Ordering Dis. |
146 | CTRLEXT_RO_DIS = 0x00020000 ; Relaxed Ordering Dis. |
147 | CTRLEXT_LNKMOD_MASK = 0x00C00000 ; Link Mode |
147 | CTRLEXT_LNKMOD_MASK = 0x00C00000 ; Link Mode |
148 | CTRLEXT_LNKMOD_SHIFT = 22 |
148 | CTRLEXT_LNKMOD_SHIFT = 22 |
149 | 149 | ||
150 | ; MDIC - MDI Control Register (0x0020) |
150 | ; MDIC - MDI Control Register (0x0020) |
151 | MDIC_DATA_MASK = 0x0000FFFF ; Data |
151 | MDIC_DATA_MASK = 0x0000FFFF ; Data |
152 | MDIC_REG_MASK = 0x001F0000 ; PHY Register |
152 | MDIC_REG_MASK = 0x001F0000 ; PHY Register |
153 | MDIC_REG_SHIFT = 16 |
153 | MDIC_REG_SHIFT = 16 |
154 | MDIC_PHY_MASK = 0x03E00000 ; PHY Address |
154 | MDIC_PHY_MASK = 0x03E00000 ; PHY Address |
155 | MDIC_PHY_SHIFT = 21 |
155 | MDIC_PHY_SHIFT = 21 |
156 | MDIC_OP_MASK = 0x0C000000 ; Opcode |
156 | MDIC_OP_MASK = 0x0C000000 ; Opcode |
157 | MDIC_OP_SHIFT = 26 |
157 | MDIC_OP_SHIFT = 26 |
158 | MDIC_R = 0x10000000 ; Ready |
158 | MDIC_R = 0x10000000 ; Ready |
159 | MDIC_I = 0x20000000 ; Interrupt Enable |
159 | MDIC_I = 0x20000000 ; Interrupt Enable |
160 | MDIC_E = 0x40000000 ; Error |
160 | MDIC_E = 0x40000000 ; Error |
161 | 161 | ||
162 | ; ICR - Interrupt Cause Read (0x00c0) |
162 | ; ICR - Interrupt Cause Read (0x00c0) |
163 | ICR_TXDW = 0x00000001 ; TX Desc Written back |
163 | ICR_TXDW = 0x00000001 ; TX Desc Written back |
164 | ICR_TXQE = 0x00000002 ; TX Queue Empty |
164 | ICR_TXQE = 0x00000002 ; TX Queue Empty |
165 | ICR_LSC = 0x00000004 ; Link Status Change |
165 | ICR_LSC = 0x00000004 ; Link Status Change |
166 | ICR_RXSEQ = 0x00000008 ; RX Sence Error |
166 | ICR_RXSEQ = 0x00000008 ; RX Sence Error |
167 | ICR_RXDMT0 = 0x00000010 ; RX Desc min threshold reached |
167 | ICR_RXDMT0 = 0x00000010 ; RX Desc min threshold reached |
168 | ICR_RXO = 0x00000040 ; RX Overrun |
168 | ICR_RXO = 0x00000040 ; RX Overrun |
169 | ICR_RXT0 = 0x00000080 ; RX Timer Interrupt |
169 | ICR_RXT0 = 0x00000080 ; RX Timer Interrupt |
170 | ICR_MDAC = 0x00000200 ; MDIO Access Complete |
170 | ICR_MDAC = 0x00000200 ; MDIO Access Complete |
171 | ICR_RXCFG = 0x00000400 |
171 | ICR_RXCFG = 0x00000400 |
172 | ICR_PHY_INT = 0x00001000 ; PHY Interrupt |
172 | ICR_PHY_INT = 0x00001000 ; PHY Interrupt |
173 | ICR_GPI_SDP6 = 0x00002000 ; GPI on SDP6 |
173 | ICR_GPI_SDP6 = 0x00002000 ; GPI on SDP6 |
174 | ICR_GPI_SDP7 = 0x00004000 ; GPI on SDP7 |
174 | ICR_GPI_SDP7 = 0x00004000 ; GPI on SDP7 |
175 | ICR_TXD_LOW = 0x00008000 ; TX Desc low threshold hit |
175 | ICR_TXD_LOW = 0x00008000 ; TX Desc low threshold hit |
176 | ICR_SRPD = 0x00010000 ; Small RX packet detected |
176 | ICR_SRPD = 0x00010000 ; Small RX packet detected |
177 | 177 | ||
178 | ; RCTL - Receive Control Register (0x0100) |
178 | ; RCTL - Receive Control Register (0x0100) |
179 | RCTL_EN = 0x00000002 ; Receiver Enable |
179 | RCTL_EN = 0x00000002 ; Receiver Enable |
180 | RCTL_SBP = 0x00000004 ; Store Bad Packets |
180 | RCTL_SBP = 0x00000004 ; Store Bad Packets |
181 | RCTL_UPE = 0x00000008 ; Unicast Promiscuous Enabled |
181 | RCTL_UPE = 0x00000008 ; Unicast Promiscuous Enabled |
182 | RCTL_MPE = 0x00000010 ; Xcast Promiscuous Enabled |
182 | RCTL_MPE = 0x00000010 ; Xcast Promiscuous Enabled |
183 | RCTL_LPE = 0x00000020 ; Long Packet Reception Enable |
183 | RCTL_LPE = 0x00000020 ; Long Packet Reception Enable |
184 | RCTL_LBM_MASK = 0x000000C0 ; Loopback Mode |
184 | RCTL_LBM_MASK = 0x000000C0 ; Loopback Mode |
185 | RCTL_LBM_SHIFT = 6 |
185 | RCTL_LBM_SHIFT = 6 |
186 | RCTL_RDMTS_MASK = 0x00000300 ; RX Desc Min Threshold Size |
186 | RCTL_RDMTS_MASK = 0x00000300 ; RX Desc Min Threshold Size |
187 | RCTL_RDMTS_SHIFT = 8 |
187 | RCTL_RDMTS_SHIFT = 8 |
188 | RCTL_MO_MASK = 0x00003000 ; Multicast Offset |
188 | RCTL_MO_MASK = 0x00003000 ; Multicast Offset |
189 | RCTL_MO_SHIFT = 12 |
189 | RCTL_MO_SHIFT = 12 |
190 | RCTL_BAM = 0x00008000 ; Broadcast Accept Mode |
190 | RCTL_BAM = 0x00008000 ; Broadcast Accept Mode |
191 | RCTL_BSIZE_MASK = 0x00030000 ; RX Buffer Size |
191 | RCTL_BSIZE_MASK = 0x00030000 ; RX Buffer Size |
192 | RCTL_BSIZE_SHIFT = 16 |
192 | RCTL_BSIZE_SHIFT = 16 |
193 | RCTL_VFE = 0x00040000 ; VLAN Filter Enable |
193 | RCTL_VFE = 0x00040000 ; VLAN Filter Enable |
194 | RCTL_CFIEN = 0x00080000 ; CFI Enable |
194 | RCTL_CFIEN = 0x00080000 ; CFI Enable |
195 | RCTL_CFI = 0x00100000 ; Canonical Form Indicator Bit |
195 | RCTL_CFI = 0x00100000 ; Canonical Form Indicator Bit |
196 | RCTL_DPF = 0x00400000 ; Discard Pause Frames |
196 | RCTL_DPF = 0x00400000 ; Discard Pause Frames |
197 | RCTL_PMCF = 0x00800000 ; Pass MAC Control Frames |
197 | RCTL_PMCF = 0x00800000 ; Pass MAC Control Frames |
198 | RCTL_BSEX = 0x02000000 ; Buffer Size Extension |
198 | RCTL_BSEX = 0x02000000 ; Buffer Size Extension |
199 | RCTL_SECRC = 0x04000000 ; Strip Ethernet CRC |
199 | RCTL_SECRC = 0x04000000 ; Strip Ethernet CRC |
200 | 200 | ||
201 | ; TCTL - Transmit Control Register (0x0400) |
201 | ; TCTL - Transmit Control Register (0x0400) |
202 | TCTL_EN = 0x00000002 ; Transmit Enable |
202 | TCTL_EN = 0x00000002 ; Transmit Enable |
203 | TCTL_PSP = 0x00000008 ; Pad short packets |
203 | TCTL_PSP = 0x00000008 ; Pad short packets |
204 | TCTL_SWXOFF = 0x00400000 ; Software XOFF Transmission |
204 | TCTL_SWXOFF = 0x00400000 ; Software XOFF Transmission |
205 | 205 | ||
206 | ; PBA - Packet Buffer Allocation (0x1000) |
206 | ; PBA - Packet Buffer Allocation (0x1000) |
207 | PBA_RXA_MASK = 0x0000FFFF ; RX Packet Buffer |
207 | PBA_RXA_MASK = 0x0000FFFF ; RX Packet Buffer |
208 | PBA_RXA_SHIFT = 0 |
208 | PBA_RXA_SHIFT = 0 |
209 | PBA_TXA_MASK = 0xFFFF0000 ; TX Packet Buffer |
209 | PBA_TXA_MASK = 0xFFFF0000 ; TX Packet Buffer |
210 | PBA_TXA_SHIFT = 16 |
210 | PBA_TXA_SHIFT = 16 |
211 | 211 | ||
212 | ; Flow Control Type |
212 | ; Flow Control Type |
213 | FCT_TYPE_DEFAULT = 0x8808 |
213 | FCT_TYPE_DEFAULT = 0x8808 |
214 | 214 | ||
215 | 215 | ||
216 | 216 | ||
217 | ; === TX Descriptor === |
217 | ; === TX Descriptor === |
218 | 218 | ||
219 | struct TDESC |
219 | struct TDESC |
220 | addr_l dd ? |
220 | addr_l dd ? |
221 | addr_h dd ? |
221 | addr_h dd ? |
222 | length_cso_cmd dd ? ; 16 bits length + 8 bits cso + 8 bits cmd |
222 | length_cso_cmd dd ? ; 16 bits length + 8 bits cso + 8 bits cmd |
223 | status dd ? ; status, checksum start field, special |
223 | status dd ? ; status, checksum start field, special |
224 | ends |
224 | ends |
225 | 225 | ||
226 | ; TX Packet Length (word 2) |
226 | ; TX Packet Length (word 2) |
227 | TXDESC_LEN_MASK = 0x0000ffff |
227 | TXDESC_LEN_MASK = 0x0000ffff |
228 | 228 | ||
229 | ; TX Descriptor CMD field (word 2) |
229 | ; TX Descriptor CMD field (word 2) |
230 | TXDESC_IDE = 0x80000000 ; Interrupt Delay Enable |
230 | TXDESC_IDE = 0x80000000 ; Interrupt Delay Enable |
231 | TXDESC_VLE = 0x40000000 ; VLAN Packet Enable |
231 | TXDESC_VLE = 0x40000000 ; VLAN Packet Enable |
232 | TXDESC_DEXT = 0x20000000 ; Extension |
232 | TXDESC_DEXT = 0x20000000 ; Extension |
233 | TXDESC_RPS = 0x10000000 ; Report Packet Sent |
233 | TXDESC_RPS = 0x10000000 ; Report Packet Sent |
234 | TXDESC_RS = 0x08000000 ; Report Status |
234 | TXDESC_RS = 0x08000000 ; Report Status |
235 | TXDESC_IC = 0x04000000 ; Insert Checksum |
235 | TXDESC_IC = 0x04000000 ; Insert Checksum |
236 | TXDESC_IFCS = 0x02000000 ; Insert FCS |
236 | TXDESC_IFCS = 0x02000000 ; Insert FCS |
237 | TXDESC_EOP = 0x01000000 ; End Of Packet |
237 | TXDESC_EOP = 0x01000000 ; End Of Packet |
238 | 238 | ||
239 | ; TX Descriptor STA field (word 3) |
239 | ; TX Descriptor STA field (word 3) |
240 | TXDESC_TU = 0x00000008 ; Transmit Underrun |
240 | TXDESC_TU = 0x00000008 ; Transmit Underrun |
241 | TXDESC_LC = 0x00000004 ; Late Collision |
241 | TXDESC_LC = 0x00000004 ; Late Collision |
242 | TXDESC_EC = 0x00000002 ; Excess Collisions |
242 | TXDESC_EC = 0x00000002 ; Excess Collisions |
243 | TXDESC_DD = 0x00000001 ; Descriptor Done |
243 | TXDESC_DD = 0x00000001 ; Descriptor Done |
244 | 244 | ||
245 | 245 | ||
246 | 246 | ||
247 | ; === RX Descriptor === |
247 | ; === RX Descriptor === |
248 | 248 | ||
249 | struct RDESC |
249 | struct RDESC |
250 | addr_l dd ? |
250 | addr_l dd ? |
251 | addr_h dd ? |
251 | addr_h dd ? |
252 | status_l dd ? |
252 | status_l dd ? |
253 | status_h dd ? |
253 | status_h dd ? |
254 | ends |
254 | ends |
255 | 255 | ||
256 | ; RX Packet Length (word 2) |
256 | ; RX Packet Length (word 2) |
257 | RXDESC_LEN_MASK = 0x0000ffff |
257 | RXDESC_LEN_MASK = 0x0000ffff |
258 | 258 | ||
259 | ; RX Descriptor STA field (word 3) |
259 | ; RX Descriptor STA field (word 3) |
260 | RXDESC_PIF = 0x00000080 ; Passed In-exact Filter |
260 | RXDESC_PIF = 0x00000080 ; Passed In-exact Filter |
261 | RXDESC_IPCS = 0x00000040 ; IP cksum calculated |
261 | RXDESC_IPCS = 0x00000040 ; IP cksum calculated |
262 | RXDESC_TCPCS = 0x00000020 ; TCP cksum calculated |
262 | RXDESC_TCPCS = 0x00000020 ; TCP cksum calculated |
263 | RXDESC_VP = 0x00000008 ; Packet is 802.1Q |
263 | RXDESC_VP = 0x00000008 ; Packet is 802.1Q |
264 | RXDESC_IXSM = 0x00000004 ; Ignore cksum indication |
264 | RXDESC_IXSM = 0x00000004 ; Ignore cksum indication |
265 | RXDESC_EOP = 0x00000002 ; End Of Packet |
265 | RXDESC_EOP = 0x00000002 ; End Of Packet |
266 | RXDESC_DD = 0x00000001 ; Descriptor Done |
266 | RXDESC_DD = 0x00000001 ; Descriptor Done |
267 | 267 | ||
268 | struct device ETH_DEVICE |
268 | struct device ETH_DEVICE |
269 | 269 | ||
270 | mmio_addr dd ? |
270 | mmio_addr dd ? |
271 | pci_bus dd ? |
271 | pci_bus dd ? |
272 | pci_dev dd ? |
272 | pci_dev dd ? |
273 | irq_line db ? |
273 | irq_line db ? |
274 | 274 | ||
275 | cur_rx dd ? |
275 | cur_rx dd ? |
276 | cur_tx dd ? |
276 | cur_tx dd ? |
277 | last_tx dd ? |
277 | last_tx dd ? |
278 | 278 | ||
279 | rb 0x100 - ($ and 0xff) ; align 256 |
279 | rb 0x100 - ($ and 0xff) ; align 256 |
280 | 280 | ||
281 | rx_desc rb RX_RING_SIZE*sizeof.RDESC*2 |
281 | rx_desc rb RX_RING_SIZE*sizeof.RDESC*2 |
282 | 282 | ||
283 | rb 0x100 - ($ and 0xff) ; align 256 |
283 | rb 0x100 - ($ and 0xff) ; align 256 |
284 | 284 | ||
285 | tx_desc rb TX_RING_SIZE*sizeof.TDESC*2 |
285 | tx_desc rb TX_RING_SIZE*sizeof.TDESC*2 |
286 | 286 | ||
287 | ends |
287 | ends |
288 | 288 | ||
289 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
289 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
290 | ;; ;; |
290 | ;; ;; |
291 | ;; proc START ;; |
291 | ;; proc START ;; |
292 | ;; ;; |
292 | ;; ;; |
293 | ;; (standard driver proc) ;; |
293 | ;; (standard driver proc) ;; |
294 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
294 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
295 | 295 | ||
296 | proc START c, reason:dword, cmdline:dword |
296 | proc START c, reason:dword, cmdline:dword |
297 | 297 | ||
298 | cmp [reason], DRV_ENTRY |
298 | cmp [reason], DRV_ENTRY |
299 | jne .fail |
299 | jne .fail |
300 | 300 | ||
301 | DEBUGF 1,"Loading driver\n" |
301 | DEBUGF 1,"Loading driver\n" |
302 | invoke RegService, my_service, service_proc |
302 | invoke RegService, my_service, service_proc |
303 | ret |
303 | ret |
304 | 304 | ||
305 | .fail: |
305 | .fail: |
306 | xor eax, eax |
306 | xor eax, eax |
307 | ret |
307 | ret |
308 | 308 | ||
309 | endp |
309 | endp |
310 | 310 | ||
311 | 311 | ||
312 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
312 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
313 | ;; ;; |
313 | ;; ;; |
314 | ;; proc SERVICE_PROC ;; |
314 | ;; proc SERVICE_PROC ;; |
315 | ;; ;; |
315 | ;; ;; |
316 | ;; (standard driver proc) ;; |
316 | ;; (standard driver proc) ;; |
317 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
317 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
318 | 318 | ||
319 | align 4 |
319 | align 4 |
320 | proc service_proc stdcall, ioctl:dword |
320 | proc service_proc stdcall, ioctl:dword |
321 | 321 | ||
322 | mov edx, [ioctl] |
322 | mov edx, [ioctl] |
323 | mov eax, [edx + IOCTL.io_code] |
323 | mov eax, [edx + IOCTL.io_code] |
324 | 324 | ||
325 | ;------------------------------------------------------ |
325 | ;------------------------------------------------------ |
326 | 326 | ||
327 | cmp eax, 0 ;SRV_GETVERSION |
327 | cmp eax, 0 ;SRV_GETVERSION |
328 | jne @F |
328 | jne @F |
329 | 329 | ||
330 | cmp [edx + IOCTL.out_size], 4 |
330 | cmp [edx + IOCTL.out_size], 4 |
331 | jb .fail |
331 | jb .fail |
332 | mov eax, [edx + IOCTL.output] |
332 | mov eax, [edx + IOCTL.output] |
333 | mov dword[eax], API_VERSION |
333 | mov dword[eax], API_VERSION |
334 | 334 | ||
335 | xor eax, eax |
335 | xor eax, eax |
336 | ret |
336 | ret |
337 | 337 | ||
338 | ;------------------------------------------------------ |
338 | ;------------------------------------------------------ |
339 | @@: |
339 | @@: |
340 | cmp eax, 1 ;SRV_HOOK |
340 | cmp eax, 1 ;SRV_HOOK |
341 | jne .fail |
341 | jne .fail |
342 | 342 | ||
343 | cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
343 | cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
344 | jb .fail |
344 | jb .fail |
345 | 345 | ||
346 | mov eax, [edx + IOCTL.input] |
346 | mov eax, [edx + IOCTL.input] |
347 | cmp byte[eax], 1 ; 1 means device number and bus number (pci) are given |
347 | cmp byte[eax], 1 ; 1 means device number and bus number (pci) are given |
348 | jne .fail ; other types arent supported for this card yet |
348 | jne .fail ; other types arent supported for this card yet |
349 | 349 | ||
350 | ; check if the device is already listed |
350 | ; check if the device is already listed |
351 | 351 | ||
352 | mov esi, device_list |
352 | mov esi, device_list |
353 | mov ecx, [devices] |
353 | mov ecx, [devices] |
354 | test ecx, ecx |
354 | test ecx, ecx |
355 | jz .firstdevice |
355 | jz .firstdevice |
356 | 356 | ||
357 | ; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers |
357 | ; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers |
358 | mov ax, [eax+1] ; |
358 | mov ax, [eax+1] ; |
359 | .nextdevice: |
359 | .nextdevice: |
360 | mov ebx, [esi] |
360 | mov ebx, [esi] |
361 | cmp al, byte[ebx + device.pci_bus] |
361 | cmp al, byte[ebx + device.pci_bus] |
362 | jne .next |
362 | jne .next |
363 | cmp ah, byte[ebx + device.pci_dev] |
363 | cmp ah, byte[ebx + device.pci_dev] |
364 | je .find_devicenum ; Device is already loaded, let's find it's device number |
364 | je .find_devicenum ; Device is already loaded, let's find it's device number |
365 | .next: |
365 | .next: |
366 | add esi, 4 |
366 | add esi, 4 |
367 | loop .nextdevice |
367 | loop .nextdevice |
368 | 368 | ||
369 | 369 | ||
370 | ; This device doesnt have its own eth_device structure yet, lets create one |
370 | ; This device doesnt have its own eth_device structure yet, lets create one |
371 | .firstdevice: |
371 | .firstdevice: |
372 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
372 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
373 | jae .fail |
373 | jae .fail |
374 | 374 | ||
375 | allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
375 | allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
376 | 376 | ||
377 | ; Fill in the direct call addresses into the struct |
377 | ; Fill in the direct call addresses into the struct |
378 | 378 | ||
379 | mov [ebx + device.reset], reset |
379 | mov [ebx + device.reset], reset |
380 | mov [ebx + device.transmit], transmit |
380 | mov [ebx + device.transmit], transmit |
381 | mov [ebx + device.unload], unload |
381 | mov [ebx + device.unload], unload |
382 | mov [ebx + device.name], my_service |
382 | mov [ebx + device.name], my_service |
383 | 383 | ||
384 | ; save the pci bus and device numbers |
384 | ; save the pci bus and device numbers |
385 | 385 | ||
386 | mov eax, [edx + IOCTL.input] |
386 | mov eax, [edx + IOCTL.input] |
387 | movzx ecx, byte[eax+1] |
387 | movzx ecx, byte[eax+1] |
388 | mov [ebx + device.pci_bus], ecx |
388 | mov [ebx + device.pci_bus], ecx |
389 | movzx ecx, byte[eax+2] |
389 | movzx ecx, byte[eax+2] |
390 | mov [ebx + device.pci_dev], ecx |
390 | mov [ebx + device.pci_dev], ecx |
391 | 391 | ||
392 | ; Now, it's time to find the base mmio addres of the PCI device |
392 | ; Now, it's time to find the base mmio addres of the PCI device |
393 | 393 | ||
394 | stdcall PCI_find_mmio32, [ebx + device.pci_bus], [ebx + device.pci_dev] ; returns in eax |
394 | stdcall PCI_find_mmio32, [ebx + device.pci_bus], [ebx + device.pci_dev] ; returns in eax |
395 | 395 | ||
396 | ; Create virtual mapping of the physical memory |
396 | ; Create virtual mapping of the physical memory |
397 | 397 | ||
398 | invoke MapIoMem, eax, 10000h, PG_SW+PG_NOCACHE |
398 | invoke MapIoMem, eax, 10000h, PG_SW+PG_NOCACHE |
399 | mov [ebx + device.mmio_addr], eax |
399 | mov [ebx + device.mmio_addr], eax |
400 | 400 | ||
401 | ; We've found the mmio address, find IRQ now |
401 | ; We've found the mmio address, find IRQ now |
402 | 402 | ||
403 | invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
403 | invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
404 | mov [ebx + device.irq_line], al |
404 | mov [ebx + device.irq_line], al |
405 | 405 | ||
406 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
406 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
407 | [ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.mmio_addr]:8 |
407 | [ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.mmio_addr]:8 |
408 | 408 | ||
409 | ; Ok, the eth_device structure is ready, let's probe the device |
409 | ; Ok, the eth_device structure is ready, let's probe the device |
410 | call probe ; this function will output in eax |
410 | call probe ; this function will output in eax |
411 | test eax, eax |
411 | test eax, eax |
412 | jnz .err ; If an error occured, exit |
412 | jnz .err ; If an error occured, exit |
413 | 413 | ||
414 | mov eax, [devices] ; Add the device structure to our device list |
414 | mov eax, [devices] ; Add the device structure to our device list |
415 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
415 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
416 | inc [devices] ; |
416 | inc [devices] ; |
417 | 417 | ||
418 | call start_i8254x |
418 | call start_i8254x |
419 | 419 | ||
420 | mov [ebx + device.type], NET_TYPE_ETH |
420 | mov [ebx + device.type], NET_TYPE_ETH |
421 | invoke NetRegDev |
421 | invoke NetRegDev |
422 | cmp eax, -1 |
422 | cmp eax, -1 |
423 | je .destroy |
423 | je .destroy |
424 | 424 | ||
425 | ret |
425 | ret |
426 | 426 | ||
427 | ; If the device was already loaded, find the device number and return it in eax |
427 | ; If the device was already loaded, find the device number and return it in eax |
428 | 428 | ||
429 | .find_devicenum: |
429 | .find_devicenum: |
430 | DEBUGF 1,"Trying to find device number of already registered device\n" |
430 | DEBUGF 1,"Trying to find device number of already registered device\n" |
431 | invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
431 | invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
432 | ; into a device number in edi |
432 | ; into a device number in edi |
433 | mov eax, edi ; Application wants it in eax instead |
433 | mov eax, edi ; Application wants it in eax instead |
434 | DEBUGF 1,"Kernel says: %u\n", eax |
434 | DEBUGF 1,"Kernel says: %u\n", eax |
435 | ret |
435 | ret |
436 | 436 | ||
437 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
437 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
438 | 438 | ||
439 | .destroy: |
439 | .destroy: |
440 | ; todo: reset device into virgin state |
440 | ; todo: reset device into virgin state |
441 | 441 | ||
442 | .err: |
442 | .err: |
443 | invoke KernelFree, ebx |
443 | invoke KernelFree, ebx |
444 | 444 | ||
445 | .fail: |
445 | .fail: |
446 | or eax, -1 |
446 | or eax, -1 |
447 | ret |
447 | ret |
448 | 448 | ||
449 | ;------------------------------------------------------ |
449 | ;------------------------------------------------------ |
450 | endp |
450 | endp |
451 | 451 | ||
452 | 452 | ||
453 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
453 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
454 | ;; ;; |
454 | ;; ;; |
455 | ;; Actual Hardware dependent code starts here ;; |
455 | ;; Actual Hardware dependent code starts here ;; |
456 | ;; ;; |
456 | ;; ;; |
457 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
457 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
458 | 458 | ||
459 | 459 | ||
460 | align 4 |
460 | align 4 |
461 | unload: |
461 | unload: |
462 | ; TODO: (in this particular order) |
462 | ; TODO: (in this particular order) |
463 | ; |
463 | ; |
464 | ; - Stop the device |
464 | ; - Stop the device |
465 | ; - Detach int handler |
465 | ; - Detach int handler |
466 | ; - Remove device from local list (device_list) |
466 | ; - Remove device from local list (device_list) |
467 | ; - call unregister function in kernel |
467 | ; - call unregister function in kernel |
468 | ; - Remove all allocated structures and buffers the card used |
468 | ; - Remove all allocated structures and buffers the card used |
469 | 469 | ||
470 | or eax, -1 |
470 | or eax, -1 |
471 | 471 | ||
472 | ret |
472 | ret |
473 | 473 | ||
474 | 474 | ||
475 | 475 | ||
476 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
476 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
477 | ;; |
477 | ;; |
478 | ;; probe: enables the device (if it really is I8254X) |
478 | ;; probe: enables the device (if it really is I8254X) |
479 | ;; |
479 | ;; |
480 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
480 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
481 | align 4 |
481 | align 4 |
482 | probe: |
482 | probe: |
483 | 483 | ||
484 | DEBUGF 1,"Probe\n" |
484 | DEBUGF 1,"Probe\n" |
485 | 485 | ||
486 | ; Make the device a bus master |
486 | ; Make the device a bus master |
487 | invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command |
487 | invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command |
488 | or al, PCI_CMD_MASTER |
488 | or al, PCI_CMD_MASTER |
489 | invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax |
489 | invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax |
490 | 490 | ||
491 | ; TODO: validate the device |
491 | ; TODO: validate the device |
492 | 492 | ||
493 | call read_mac |
493 | call read_mac |
494 | 494 | ||
495 | movzx eax, [ebx + device.irq_line] |
495 | movzx eax, [ebx + device.irq_line] |
496 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
496 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
497 | invoke AttachIntHandler, eax, int_handler, ebx |
497 | invoke AttachIntHandler, eax, int_handler, ebx |
498 | test eax, eax |
498 | test eax, eax |
499 | jnz @f |
499 | jnz @f |
500 | DEBUGF 2,"Could not attach int handler!\n" |
500 | DEBUGF 2,"Could not attach int handler!\n" |
501 | or eax, -1 |
501 | or eax, -1 |
502 | ret |
502 | ret |
503 | @@: |
503 | @@: |
504 | 504 | ||
505 | 505 | ||
506 | reset_dontstart: |
506 | reset_dontstart: |
507 | DEBUGF 1,"Reset\n" |
507 | DEBUGF 1,"Reset\n" |
508 | 508 | ||
509 | mov esi, [ebx + device.mmio_addr] |
509 | mov esi, [ebx + device.mmio_addr] |
510 | 510 | ||
511 | or dword[esi + REG_CTRL], CTRL_RST ; reset device |
511 | or dword[esi + REG_CTRL], CTRL_RST ; reset device |
512 | .loop: |
512 | .loop: |
513 | push esi |
513 | push esi |
514 | xor esi, esi |
514 | xor esi, esi |
515 | inc esi |
515 | inc esi |
516 | invoke Sleep |
516 | invoke Sleep |
517 | pop esi |
517 | pop esi |
518 | test dword[esi + REG_CTRL], CTRL_RST |
518 | test dword[esi + REG_CTRL], CTRL_RST |
519 | jnz .loop |
519 | jnz .loop |
520 | 520 | ||
521 | mov dword[esi + REG_IMC], 0xffffffff ; Disable all interrupt causes |
521 | mov dword[esi + REG_IMC], 0xffffffff ; Disable all interrupt causes |
522 | mov eax, dword [esi + REG_ICR] ; Clear any pending interrupts |
522 | mov eax, dword [esi + REG_ICR] ; Clear any pending interrupts |
523 | mov dword[esi + REG_ITR], 0 ; Disable interrupt throttling logic |
523 | mov dword[esi + REG_ITR], 0 ; Disable interrupt throttling logic |
524 | 524 | ||
525 | mov dword[esi + REG_PBA], 0x00000004 ; PBA: set the RX buffer size to 4KB (TX buffer is calculated as 64-RX buffer) |
525 | mov dword[esi + REG_PBA], 0x00000004 ; PBA: set the RX buffer size to 4KB (TX buffer is calculated as 64-RX buffer) |
526 | mov dword[esi + REG_RDTR], 0 ; RDTR: set no delay |
526 | mov dword[esi + REG_RDTR], 0 ; RDTR: set no delay |
527 | 527 | ||
528 | mov dword[esi + REG_TXCW], 0x08008060 ; TXCW: set ANE, TxConfigWord (Half/Full duplex, Next Page Reqest) |
528 | mov dword[esi + REG_TXCW], 0x08008060 ; TXCW: set ANE, TxConfigWord (Half/Full duplex, Next Page Reqest) |
529 | 529 | ||
530 | mov eax, [esi + REG_CTRL] |
530 | mov eax, [esi + REG_CTRL] |
531 | or eax, 1 shl 6 + 1 shl 5 |
531 | or eax, 1 shl 6 + 1 shl 5 |
532 | and eax, not (1 shl 3 + 1 shl 7 + 1 shl 30 + 1 shl 31) |
532 | and eax, not (1 shl 3 + 1 shl 7 + 1 shl 30 + 1 shl 31) |
533 | mov dword [esi + REG_CTRL], eax ; CTRL: clear LRST, set SLU and ASDE, clear RSTPHY, VME, and ILOS |
533 | mov dword [esi + REG_CTRL], eax ; CTRL: clear LRST, set SLU and ASDE, clear RSTPHY, VME, and ILOS |
534 | 534 | ||
535 | lea edi, [esi + 0x5200] ; MTA: reset |
535 | lea edi, [esi + 0x5200] ; MTA: reset |
536 | mov eax, 0xffffffff |
536 | mov eax, 0xffffffff |
537 | stosd |
537 | stosd |
538 | stosd |
538 | stosd |
539 | stosd |
539 | stosd |
540 | stosd |
540 | stosd |
541 | 541 | ||
542 | call init_rx |
542 | call init_rx |
543 | call init_tx |
543 | call init_tx |
544 | 544 | ||
545 | xor eax, eax |
545 | xor eax, eax |
546 | ret |
546 | ret |
547 | 547 | ||
548 | 548 | ||
549 | 549 | ||
550 | align 4 |
550 | align 4 |
551 | init_rx: |
551 | init_rx: |
552 | 552 | ||
553 | lea edi, [ebx + device.rx_desc] |
553 | lea edi, [ebx + device.rx_desc] |
554 | mov ecx, RX_RING_SIZE |
554 | mov ecx, RX_RING_SIZE |
555 | .loop: |
555 | .loop: |
556 | push ecx |
556 | push ecx |
557 | push edi |
557 | push edi |
558 | invoke KernelAlloc, MAX_PKT_SIZE |
558 | invoke KernelAlloc, MAX_PKT_SIZE |
559 | DEBUGF 1,"RX buffer: 0x%x\n", eax |
559 | DEBUGF 1,"RX buffer: 0x%x\n", eax |
560 | pop edi |
560 | pop edi |
561 | mov dword[edi + RX_RING_SIZE*sizeof.RDESC], eax |
561 | mov dword[edi + RX_RING_SIZE*sizeof.RDESC], eax |
562 | push edi |
562 | push edi |
563 | invoke GetPhysAddr |
563 | invoke GetPhysAddr |
564 | pop edi |
564 | pop edi |
565 | mov [edi + RDESC.addr_l], eax |
565 | mov [edi + RDESC.addr_l], eax |
566 | mov [edi + RDESC.addr_h], 0 |
566 | mov [edi + RDESC.addr_h], 0 |
567 | mov [edi + RDESC.status_l], 0 |
567 | mov [edi + RDESC.status_l], 0 |
568 | mov [edi + RDESC.status_h], 0 |
568 | mov [edi + RDESC.status_h], 0 |
569 | add edi, sizeof.RDESC |
569 | add edi, sizeof.RDESC |
570 | pop ecx |
570 | pop ecx |
571 | dec ecx |
571 | dec ecx |
572 | jnz .loop |
572 | jnz .loop |
573 | 573 | ||
574 | mov [ebx + device.cur_rx], 0 |
574 | mov [ebx + device.cur_rx], 0 |
575 | 575 | ||
576 | lea eax, [ebx + device.rx_desc] |
576 | lea eax, [ebx + device.rx_desc] |
577 | invoke GetPhysAddr |
577 | invoke GetPhysAddr |
578 | mov dword[esi + REG_RDBAL], eax ; Receive Descriptor Base Address Low |
578 | mov dword[esi + REG_RDBAL], eax ; Receive Descriptor Base Address Low |
579 | mov dword[esi + REG_RDBAH], 0 ; Receive Descriptor Base Address High |
579 | mov dword[esi + REG_RDBAH], 0 ; Receive Descriptor Base Address High |
580 | mov dword[esi + REG_RDLEN], RX_RING_SIZE*sizeof.RDESC ; Receive Descriptor Length |
580 | mov dword[esi + REG_RDLEN], RX_RING_SIZE*sizeof.RDESC ; Receive Descriptor Length |
581 | mov dword[esi + REG_RDH], 0 ; Receive Descriptor Head |
581 | mov dword[esi + REG_RDH], 0 ; Receive Descriptor Head |
582 | mov dword[esi + REG_RDT], RX_RING_SIZE-1 ; Receive Descriptor Tail |
582 | mov dword[esi + REG_RDT], RX_RING_SIZE-1 ; Receive Descriptor Tail |
583 | mov dword[esi + REG_RCTL], RCTL_SBP or RCTL_BAM or RCTL_SECRC or RCTL_UPE or RCTL_MPE |
583 | mov dword[esi + REG_RCTL], RCTL_SBP or RCTL_BAM or RCTL_SECRC or RCTL_UPE or RCTL_MPE |
584 | ; Store Bad Packets, Broadcast Accept Mode, Strip Ethernet CRC from incoming packet, Promiscuous mode |
584 | ; Store Bad Packets, Broadcast Accept Mode, Strip Ethernet CRC from incoming packet, Promiscuous mode |
585 | 585 | ||
586 | ret |
586 | ret |
587 | 587 | ||
588 | 588 | ||
589 | 589 | ||
590 | align 4 |
590 | align 4 |
591 | init_tx: |
591 | init_tx: |
592 | 592 | ||
593 | lea edi, [ebx + device.tx_desc] |
593 | lea edi, [ebx + device.tx_desc] |
594 | mov ecx, TX_RING_SIZE |
594 | mov ecx, TX_RING_SIZE |
595 | .loop: |
595 | .loop: |
596 | mov [edi + TDESC.addr_l], eax |
596 | mov [edi + TDESC.addr_l], eax |
597 | mov [edi + TDESC.addr_h], 0 |
597 | mov [edi + TDESC.addr_h], 0 |
598 | mov [edi + TDESC.length_cso_cmd], 0 |
598 | mov [edi + TDESC.length_cso_cmd], 0 |
599 | mov [edi + TDESC.status], 0 |
599 | mov [edi + TDESC.status], 0 |
600 | add edi, sizeof.TDESC |
600 | add edi, sizeof.TDESC |
601 | dec ecx |
601 | dec ecx |
602 | jnz .loop |
602 | jnz .loop |
603 | 603 | ||
604 | mov [ebx + device.cur_tx], 0 |
604 | mov [ebx + device.cur_tx], 0 |
605 | mov [ebx + device.last_tx], 0 |
605 | mov [ebx + device.last_tx], 0 |
606 | 606 | ||
607 | lea eax, [ebx + device.tx_desc] |
607 | lea eax, [ebx + device.tx_desc] |
608 | invoke GetPhysAddr |
608 | invoke GetPhysAddr |
609 | mov dword[esi + REG_TDBAL], eax ; Transmit Descriptor Base Address Low |
609 | mov dword[esi + REG_TDBAL], eax ; Transmit Descriptor Base Address Low |
610 | mov dword[esi + REG_TDBAH], 0 ; Transmit Descriptor Base Address High |
610 | mov dword[esi + REG_TDBAH], 0 ; Transmit Descriptor Base Address High |
611 | mov dword[esi + REG_TDLEN], RX_RING_SIZE*sizeof.TDESC ; Transmit Descriptor Length |
611 | mov dword[esi + REG_TDLEN], RX_RING_SIZE*sizeof.TDESC ; Transmit Descriptor Length |
612 | mov dword[esi + REG_TDH], 0 ; Transmit Descriptor Head |
612 | mov dword[esi + REG_TDH], 0 ; Transmit Descriptor Head |
613 | mov dword[esi + REG_TDT], 0 ; Transmit Descriptor Tail |
613 | mov dword[esi + REG_TDT], 0 ; Transmit Descriptor Tail |
614 | mov dword[esi + REG_TCTL], 0x010400fa ; Enabled, Pad Short Packets, 15 retrys, 64-byte COLD, Re-transmit on Late Collision |
614 | mov dword[esi + REG_TCTL], 0x010400fa ; Enabled, Pad Short Packets, 15 retrys, 64-byte COLD, Re-transmit on Late Collision |
615 | mov dword[esi + REG_TIPG], 0x0060200A ; IPGT 10, IPGR1 8, IPGR2 6 |
615 | mov dword[esi + REG_TIPG], 0x0060200A ; IPGT 10, IPGR1 8, IPGR2 6 |
616 | 616 | ||
617 | ret |
617 | ret |
618 | 618 | ||
619 | 619 | ||
620 | align 4 |
620 | align 4 |
621 | reset: |
621 | reset: |
622 | call reset_dontstart |
622 | call reset_dontstart |
623 | 623 | ||
624 | start_i8254x: |
624 | start_i8254x: |
625 | 625 | ||
626 | mov esi, [ebx + device.mmio_addr] |
626 | mov esi, [ebx + device.mmio_addr] |
627 | or dword[esi + REG_RCTL], RCTL_EN ; Enable the receiver |
627 | or dword[esi + REG_RCTL], RCTL_EN ; Enable the receiver |
628 | 628 | ||
629 | xor eax, eax |
629 | xor eax, eax |
630 | mov [esi + REG_RDTR], eax ; Clear the Receive Delay Timer Register |
630 | mov [esi + REG_RDTR], eax ; Clear the Receive Delay Timer Register |
631 | mov [esi + REG_RADV], eax ; Clear the Receive Interrupt Absolute Delay Timer |
631 | mov [esi + REG_RADV], eax ; Clear the Receive Interrupt Absolute Delay Timer |
632 | mov [esi + REG_RSRPD], eax ; Clear the Receive Small Packet Detect Interrupt |
632 | mov [esi + REG_RSRPD], eax ; Clear the Receive Small Packet Detect Interrupt |
633 | 633 | ||
634 | mov dword[esi + REG_IMS], 0x1F6DC ; Enable interrupt types |
634 | mov dword[esi + REG_IMS], 0x1F6DC ; Enable interrupt types |
635 | mov eax, [esi + REG_ICR] ; Clear pending interrupts |
635 | mov eax, [esi + REG_ICR] ; Clear pending interrupts |
636 | 636 | ||
637 | mov [ebx + device.mtu], 1514 |
637 | mov [ebx + device.mtu], 1514 |
638 | mov [ebx + device.state], ETH_LINK_UNKNOWN ; Set link state to unknown |
638 | mov [ebx + device.state], ETH_LINK_UNKNOWN ; Set link state to unknown |
639 | 639 | ||
640 | xor eax, eax |
640 | xor eax, eax |
641 | ret |
641 | ret |
642 | 642 | ||
643 | 643 | ||
644 | 644 | ||
645 | 645 | ||
646 | align 4 |
646 | align 4 |
647 | read_mac: |
647 | read_mac: |
648 | 648 | ||
649 | DEBUGF 1,"Read MAC\n" |
649 | DEBUGF 1,"Read MAC\n" |
650 | 650 | ||
651 | mov esi, [ebx + device.mmio_addr] |
651 | mov esi, [ebx + device.mmio_addr] |
652 | 652 | ||
653 | mov eax, [esi+0x5400] ; RAL |
653 | mov eax, [esi+0x5400] ; RAL |
654 | test eax, eax |
654 | test eax, eax |
655 | jz .try_eeprom |
655 | jz .try_eeprom |
656 | 656 | ||
657 | mov dword[ebx + device.mac], eax |
657 | mov dword[ebx + device.mac], eax |
658 | mov eax, [esi+0x5404] ; RAH |
658 | mov eax, [esi+0x5404] ; RAH |
659 | mov word[ebx + device.mac+4], ax |
659 | mov word[ebx + device.mac+4], ax |
660 | 660 | ||
661 | jmp .mac_ok |
661 | jmp .mac_ok |
662 | 662 | ||
663 | .try_eeprom: |
663 | .try_eeprom: |
664 | mov dword[esi+0x14], 0x00000001 |
664 | mov dword[esi+0x14], 0x00000001 |
665 | mov eax, [esi+0x14] |
665 | mov eax, [esi+0x14] |
666 | shr eax, 16 |
666 | shr eax, 16 |
667 | mov word[ebx + device.mac], ax |
667 | mov word[ebx + device.mac], ax |
668 | 668 | ||
669 | mov dword[esi+0x14], 0x00000101 |
669 | mov dword[esi+0x14], 0x00000101 |
670 | mov eax, [esi+0x14] |
670 | mov eax, [esi+0x14] |
671 | shr eax, 16 |
671 | shr eax, 16 |
672 | mov word[ebx + device.mac+2], ax |
672 | mov word[ebx + device.mac+2], ax |
673 | 673 | ||
674 | mov dword[esi+0x14], 0x00000201 |
674 | mov dword[esi+0x14], 0x00000201 |
675 | mov eax, [esi+0x14] |
675 | mov eax, [esi+0x14] |
676 | shr eax, 16 |
676 | shr eax, 16 |
677 | mov word[ebx + device.mac+4], ax |
677 | mov word[ebx + device.mac+4], ax |
678 | 678 | ||
679 | .mac_ok: |
679 | .mac_ok: |
680 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
680 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
681 | [ebx + device.mac+0]:2,[ebx + device.mac+1]:2,[ebx + device.mac+2]:2,\ |
681 | [ebx + device.mac+0]:2,[ebx + device.mac+1]:2,[ebx + device.mac+2]:2,\ |
682 | [ebx + device.mac+3]:2,[ebx + device.mac+4]:2,[ebx + device.mac+5]:2 |
682 | [ebx + device.mac+3]:2,[ebx + device.mac+4]:2,[ebx + device.mac+5]:2 |
683 | 683 | ||
684 | ret |
684 | ret |
685 | 685 | ||
686 | 686 | ||
687 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
687 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
688 | ;; ;; |
688 | ;; ;; |
689 | ;; Transmit ;; |
689 | ;; Transmit ;; |
690 | ;; ;; |
690 | ;; ;; |
691 | ;; In: pointer to device structure in ebx ;; |
691 | ;; In: pointer to device structure in ebx ;; |
692 | ;; ;; |
692 | ;; ;; |
693 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
693 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
694 | 694 | ||
695 | proc transmit stdcall bufferptr, buffersize |
695 | proc transmit stdcall bufferptr, buffersize |
696 | 696 | ||
697 | pushf |
697 | pushf |
698 | cli |
698 | cli |
699 | 699 | ||
700 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize] |
700 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize] |
701 | mov eax, [bufferptr] |
701 | mov eax, [bufferptr] |
702 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
702 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
703 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
703 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
704 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
704 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
705 | [eax+13]:2,[eax+12]:2 |
705 | [eax+13]:2,[eax+12]:2 |
706 | 706 | ||
707 | cmp [buffersize], 1514 |
707 | cmp [buffersize], 1514 |
708 | ja .fail |
708 | ja .fail |
709 | cmp [buffersize], 60 |
709 | cmp [buffersize], 60 |
710 | jb .fail |
710 | jb .fail |
711 | 711 | ||
712 | ; Program the descriptor (use legacy mode) |
712 | ; Program the descriptor (use legacy mode) |
713 | mov edi, [ebx + device.cur_tx] |
713 | mov edi, [ebx + device.cur_tx] |
714 | DEBUGF 1, "Using TX desc: %u\n", edi |
714 | DEBUGF 1, "Using TX desc: %u\n", edi |
715 | shl edi, 4 ; edi = edi * sizeof.TDESC |
715 | shl edi, 4 ; edi = edi * sizeof.TDESC |
716 | lea edi, [ebx + device.tx_desc + edi] |
716 | lea edi, [ebx + device.tx_desc + edi] |
717 | mov dword[edi + TX_RING_SIZE*sizeof.TDESC], eax ; Store the data location (for driver) |
717 | mov dword[edi + TX_RING_SIZE*sizeof.TDESC], eax ; Store the data location (for driver) |
718 | invoke GetPhysAddr |
718 | invoke GetPhysAddr |
719 | mov [edi + TDESC.addr_l], eax ; Data location (for hardware) |
719 | mov [edi + TDESC.addr_l], eax ; Data location (for hardware) |
720 | mov [edi + TDESC.addr_h], 0 |
720 | mov [edi + TDESC.addr_h], 0 |
721 | 721 | ||
722 | mov ecx, [buffersize] |
722 | mov ecx, [buffersize] |
723 | or ecx, TXDESC_EOP + TXDESC_IFCS + TXDESC_RS |
723 | or ecx, TXDESC_EOP + TXDESC_IFCS + TXDESC_RS |
724 | mov [edi + TDESC.length_cso_cmd], ecx |
724 | mov [edi + TDESC.length_cso_cmd], ecx |
725 | mov [edi + TDESC.status], 0 |
725 | mov [edi + TDESC.status], 0 |
726 | 726 | ||
727 | ; Tell i8254x wich descriptor(s) we programmed, by moving the tail |
727 | ; Tell i8254x wich descriptor(s) we programmed, by moving the tail |
728 | mov edi, [ebx + device.mmio_addr] |
728 | mov edi, [ebx + device.mmio_addr] |
729 | mov eax, [ebx + device.cur_tx] |
729 | mov eax, [ebx + device.cur_tx] |
730 | inc eax |
730 | inc eax |
731 | and eax, TX_RING_SIZE-1 |
731 | and eax, TX_RING_SIZE-1 |
732 | mov [ebx + device.cur_tx], eax |
732 | mov [ebx + device.cur_tx], eax |
733 | mov dword[edi + REG_TDT], eax ; TDT - Transmit Descriptor Tail |
733 | mov dword[edi + REG_TDT], eax ; TDT - Transmit Descriptor Tail |
734 | 734 | ||
735 | ; Update stats |
735 | ; Update stats |
736 | inc [ebx + device.packets_tx] |
736 | inc [ebx + device.packets_tx] |
737 | mov eax, [buffersize] |
737 | mov eax, [buffersize] |
738 | add dword[ebx + device.bytes_tx], eax |
738 | add dword[ebx + device.bytes_tx], eax |
739 | adc dword[ebx + device.bytes_tx + 4], 0 |
739 | adc dword[ebx + device.bytes_tx + 4], 0 |
740 | 740 | ||
741 | popf |
741 | popf |
742 | xor eax, eax |
742 | xor eax, eax |
743 | ret |
743 | ret |
744 | 744 | ||
745 | .fail: |
745 | .fail: |
746 | DEBUGF 2,"Send failed\n" |
746 | DEBUGF 2,"Send failed\n" |
747 | invoke KernelFree, [bufferptr] |
747 | invoke KernelFree, [bufferptr] |
748 | popf |
748 | popf |
749 | or eax, -1 |
749 | or eax, -1 |
750 | ret |
750 | ret |
751 | 751 | ||
752 | endp |
752 | endp |
753 | 753 | ||
754 | 754 | ||
755 | ;;;;;;;;;;;;;;;;;;;;;;; |
755 | ;;;;;;;;;;;;;;;;;;;;;;; |
756 | ;; ;; |
756 | ;; ;; |
757 | ;; Interrupt handler ;; |
757 | ;; Interrupt handler ;; |
758 | ;; ;; |
758 | ;; ;; |
759 | ;;;;;;;;;;;;;;;;;;;;;;; |
759 | ;;;;;;;;;;;;;;;;;;;;;;; |
760 | 760 | ||
761 | align 4 |
761 | align 4 |
762 | int_handler: |
762 | int_handler: |
763 | 763 | ||
764 | push ebx esi edi |
764 | push ebx esi edi |
765 | 765 | ||
766 | DEBUGF 1,"INT\n" |
766 | DEBUGF 1,"INT\n" |
767 | ;------------------------------------------- |
767 | ;------------------------------------------- |
768 | ; Find pointer of device wich made IRQ occur |
768 | ; Find pointer of device wich made IRQ occur |
769 | 769 | ||
770 | mov ecx, [devices] |
770 | mov ecx, [devices] |
771 | test ecx, ecx |
771 | test ecx, ecx |
772 | jz .nothing |
772 | jz .nothing |
773 | mov esi, device_list |
773 | mov esi, device_list |
774 | .nextdevice: |
774 | .nextdevice: |
775 | mov ebx, [esi] |
775 | mov ebx, [esi] |
776 | mov edi, [ebx + device.mmio_addr] |
776 | mov edi, [ebx + device.mmio_addr] |
777 | mov eax, [edi + REG_ICR] |
777 | mov eax, [edi + REG_ICR] |
778 | test eax, eax |
778 | test eax, eax |
779 | jnz .got_it |
779 | jnz .got_it |
780 | .continue: |
780 | .continue: |
781 | add esi, 4 |
781 | add esi, 4 |
782 | dec ecx |
782 | dec ecx |
783 | jnz .nextdevice |
783 | jnz .nextdevice |
784 | .nothing: |
784 | .nothing: |
785 | pop edi esi ebx |
785 | pop edi esi ebx |
786 | xor eax, eax |
786 | xor eax, eax |
787 | 787 | ||
788 | ret |
788 | ret |
789 | 789 | ||
790 | .got_it: |
790 | .got_it: |
791 | DEBUGF 1,"Device: %x Status: %x\n", ebx, eax |
791 | DEBUGF 1,"Device: %x Status: %x\n", ebx, eax |
792 | 792 | ||
793 | ;--------- |
793 | ;--------- |
794 | ; RX done? |
794 | ; RX done? |
795 | 795 | ||
796 | test eax, ICR_RXDMT0 + ICR_RXT0 |
796 | test eax, ICR_RXDMT0 + ICR_RXT0 |
797 | jz .no_rx |
797 | jz .no_rx |
798 | 798 | ||
799 | push eax ebx |
799 | push eax ebx |
800 | .retaddr: |
800 | .retaddr: |
801 | pop ebx eax |
801 | pop ebx eax |
802 | ; Get last descriptor addr |
802 | ; Get last descriptor addr |
803 | mov esi, [ebx + device.cur_rx] |
803 | mov esi, [ebx + device.cur_rx] |
804 | shl esi, 4 ; esi = esi * sizeof.RDESC |
804 | shl esi, 4 ; esi = esi * sizeof.RDESC |
805 | lea esi, [ebx + device.rx_desc + esi] |
805 | lea esi, [ebx + device.rx_desc + esi] |
806 | cmp byte[esi + RDESC.status_h], 0 ; Check status field |
806 | cmp byte[esi + RDESC.status_h], 0 ; Check status field |
807 | je .no_rx |
807 | je .no_rx |
808 | 808 | ||
809 | push eax ebx |
809 | push eax ebx |
810 | push .retaddr |
810 | push .retaddr |
811 | movzx ecx, word[esi + 8] ; Get the packet length |
811 | movzx ecx, word[esi + 8] ; Get the packet length |
812 | DEBUGF 1,"got %u bytes\n", ecx |
812 | DEBUGF 1,"got %u bytes\n", ecx |
813 | push ecx |
813 | push ecx |
814 | push dword[esi + RX_RING_SIZE*sizeof.RDESC] ; Get packet pointer |
814 | push dword[esi + RX_RING_SIZE*sizeof.RDESC] ; Get packet pointer |
815 | 815 | ||
816 | ; Update stats |
816 | ; Update stats |
817 | add dword[ebx + device.bytes_rx], ecx |
817 | add dword[ebx + device.bytes_rx], ecx |
818 | adc dword[ebx + device.bytes_rx + 4], 0 |
818 | adc dword[ebx + device.bytes_rx + 4], 0 |
819 | inc [ebx + device.packets_rx] |
819 | inc [ebx + device.packets_rx] |
820 | 820 | ||
821 | ; Allocate new descriptor |
821 | ; Allocate new descriptor |
822 | push esi |
822 | push esi |
823 | invoke KernelAlloc, MAX_PKT_SIZE |
823 | invoke KernelAlloc, MAX_PKT_SIZE |
824 | pop esi |
824 | pop esi |
825 | mov dword[esi + RX_RING_SIZE*sizeof.RDESC], eax |
825 | mov dword[esi + RX_RING_SIZE*sizeof.RDESC], eax |
826 | invoke GetPhysAddr |
826 | invoke GetPhysAddr |
827 | mov [esi + RDESC.addr_l], eax |
827 | mov [esi + RDESC.addr_l], eax |
828 | mov [esi + RDESC.status_l], 0 |
828 | mov [esi + RDESC.status_l], 0 |
829 | mov [esi + RDESC.status_h], 0 |
829 | mov [esi + RDESC.status_h], 0 |
830 | 830 | ||
831 | ; Move the receive descriptor tail |
831 | ; Move the receive descriptor tail |
832 | mov esi, [ebx + device.mmio_addr] |
832 | mov esi, [ebx + device.mmio_addr] |
833 | mov eax, [ebx + device.cur_rx] |
833 | mov eax, [ebx + device.cur_rx] |
834 | mov [esi + REG_RDT], eax |
834 | mov [esi + REG_RDT], eax |
835 | 835 | ||
836 | ; Move to next rx desc |
836 | ; Move to next rx desc |
837 | inc [ebx + device.cur_rx] |
837 | inc [ebx + device.cur_rx] |
838 | and [ebx + device.cur_rx], RX_RING_SIZE-1 |
838 | and [ebx + device.cur_rx], RX_RING_SIZE-1 |
839 | 839 | ||
840 | jmp [Eth_input] |
840 | jmp [Eth_input] |
841 | .no_rx: |
841 | .no_rx: |
842 | 842 | ||
843 | ;-------------- |
843 | ;-------------- |
844 | ; Link Changed? |
844 | ; Link Changed? |
845 | 845 | ||
846 | test eax, ICR_LSC |
846 | test eax, ICR_LSC |
847 | jz .no_link |
847 | jz .no_link |
848 | 848 | ||
849 | DEBUGF 2,"Link Changed\n" |
849 | DEBUGF 2,"Link Changed\n" |
850 | 850 | ||
851 | .no_link: |
851 | .no_link: |
852 | 852 | ||
853 | ;--------------- |
853 | ;--------------- |
854 | ; Transmit done? |
854 | ; Transmit done? |
855 | 855 | ||
856 | test eax, ICR_TXDW |
856 | test eax, ICR_TXDW |
857 | jz .no_tx |
857 | jz .no_tx |
858 | 858 | ||
859 | DEBUGF 1,"Transmit done\n" |
859 | DEBUGF 1,"Transmit done\n" |
860 | 860 | ||
861 | .txdesc_loop: |
861 | .txdesc_loop: |
862 | mov edi, [ebx + device.last_tx] |
862 | mov edi, [ebx + device.last_tx] |
863 | shl edi, 4 ; edi = edi * sizeof.TDESC |
863 | shl edi, 4 ; edi = edi * sizeof.TDESC |
864 | lea edi, [ebx + device.tx_desc + edi] |
864 | lea edi, [ebx + device.tx_desc + edi] |
865 | test [edi + TDESC.status], TXDESC_DD ; Descriptor done? |
865 | test [edi + TDESC.status], TXDESC_DD ; Descriptor done? |
866 | jz .no_tx |
866 | jz .no_tx |
867 | cmp dword[edi + TX_RING_SIZE*sizeof.TDESC], 0 |
867 | cmp dword[edi + TX_RING_SIZE*sizeof.TDESC], 0 |
868 | je .no_tx |
868 | je .no_tx |
869 | 869 | ||
870 | DEBUGF 1,"Cleaning up TX desc: 0x%x\n", edi |
870 | DEBUGF 1,"Cleaning up TX desc: 0x%x\n", edi |
871 | 871 | ||
872 | push ebx |
872 | push ebx |
873 | push dword[edi + TX_RING_SIZE*sizeof.TDESC] |
873 | push dword[edi + TX_RING_SIZE*sizeof.TDESC] |
874 | mov dword[edi + TX_RING_SIZE*sizeof.TDESC], 0 |
874 | mov dword[edi + TX_RING_SIZE*sizeof.TDESC], 0 |
875 | invoke KernelFree |
875 | invoke KernelFree |
876 | pop ebx |
876 | pop ebx |
877 | 877 | ||
878 | inc [ebx + device.last_tx] |
878 | inc [ebx + device.last_tx] |
879 | and [ebx + device.last_tx], TX_RING_SIZE-1 |
879 | and [ebx + device.last_tx], TX_RING_SIZE-1 |
880 | jmp .txdesc_loop |
880 | jmp .txdesc_loop |
881 | 881 | ||
882 | .no_tx: |
882 | .no_tx: |
883 | pop edi esi ebx |
883 | pop edi esi ebx |
884 | xor eax, eax |
884 | xor eax, eax |
885 | inc eax |
885 | inc eax |
886 | ret |
886 | ret |
887 | 887 | ||
888 | 888 | ||
889 | 889 | ||
890 | 890 | ||
891 | ; End of code |
891 | ; End of code |
892 | 892 | ||
893 | data fixups |
893 | data fixups |
894 | end data |
894 | end data |
895 | 895 | ||
896 | include '../peimport.inc' |
896 | include '../peimport.inc' |
897 | 897 | ||
898 | include_debug_strings |
898 | include_debug_strings |
899 | my_service db 'I8254X', 0 ; max 16 chars include zero |
899 | my_service db 'I8254X', 0 ; max 16 chars include zero |
900 | 900 | ||
901 | align 4 |
901 | align 4 |
902 | devices dd 0 |
902 | devices dd 0 |
903 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
903 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |