WebSVN – Kolibri OS – Diff – /drivers/ethernet/dec21x4x.asm



;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                                 ;;
;; Copyright (C) KolibriOS team 2004-2024. All rights reserved.    ;;
;; Distributed under terms of the GNU General Public License       ;;
;;                                                                 ;;
;;  DEC 21x4x driver for KolibriOS                                 ;;
;;                                                                 ;;
;;  Based on dec21140.Asm from Solar OS by                         ;;

 
; using values from linux driver..

CSR0_DEFAULT            = CSR0_WIE + CSR0_RLE + CSR0_RML + CSR0_CACHEALIGN_NONE
 
;------- CSR5 -STATUS- bits --------------------------------
CSR5_TI                 = 0x00000001    ;1 shl 0        ; Transmit interupt - frame transmission completed
CSR5_TPS                = 0x00000002    ;1 shl 1        ; Transmit process stopped
CSR5_TU                 = 0x00000004    ;1 shl 2        ; Transmit Buffer unavailable
CSR5_TJT                = 0x00000008    ;1 shl 3        ; Transmit Jabber Timeout (transmitter had been excessively active)

 
;receive
RDES0_ZER               = 1 shl 0               ; must be 0 if legal length :D
RDES0_CE                = 1 shl 1               ; CRC error, valid only on last desc (RDES0<8>=1)
RDES0_DB                = 1 shl 2               ; dribbling bit - not multiple of 8 bits, valid only on last desc (RDES0<8>=1)
RDES0_RE                = 1 shl 3               ; Report on MII error.. I don't realy know what this means :P
RDES0_RW                = 1 shl 4               ; received watchdog timer expiration - must set CSR5<9>, valid only on last desc (RDES0<8>=1)
RDES0_FT                = 1 shl 5               ; frame type: 0->IEEE802.0 (len<1500) 1-> ETHERNET frame (len>1500), valid only on last desc (RDES0<8>=1)
RDES0_CS                = 1 shl 6               ; Collision seen, valid only on last desc (RDES0<8>=1)
RDES0_TL                = 1 shl 7               ; Too long(>1518)-NOT AN ERROR, valid only on last desc (RDES0<8>=1)

RDES0_MF                = 1 shl 10              ; Multicast frame, valid only on last desc (RDES0<8>=1)
RDES0_RF                = 1 shl 11              ; Runt frame, valid only on last desc (RDES0<8>=1) and id overflow
RDES0_DT_SERIAL         = 00b shl 12            ; Data type-Serial recv frame, valid only on last desc (RDES0<8>=1)
RDES0_DT_INTERNAL       = 01b shl 12            ; Data type-Internal loopback recv frame, valid only on last desc (RDES0<8>=1)
RDES0_DT_EXTERNAL       = 11b shl 12            ; Data type-External loopback recv frame, valid only on last desc (RDES0<8>=1)
RDES0_DE                = 1 shl 14              ; Descriptor error - can't own a new desc and frame doesn't fit, valid only on last desc (RDES0<8>=1)
RDES0_ES                = 1 shl 15              ; Error Summmary - bits 1+6+11+14, valid only on last desc (RDES0<8>=1)
RDES0_FL_SH             = 16                    ; Field length shift, valid only on last desc (RDES0<8>=1)
RDES0_FL_MASK           = 11111111111111b       ; Field length mask (+CRC), valid only on last desc (RDES0<8>=1)
RDES0_FF                = 1 shl 30              ; Filtering fail-frame failed address recognition test(must CSR6<30>=1), valid only on last desc (RDES0<8>=1)

RDES1_RBS2_SH           = 11                    ; second buffer size SHIFT
RDES1_RBS2_MASK         = 11111111111b          ; second buffer size MASK
RDES1_RCH               = 1 shl 24              ; Second address chained - second address (buffer) is next desc address
RDES1_RER               = 1 shl 25              ; Receive End of Ring - final descriptor, NIC must return to first desc

 
;transmission
TDES0_DE                = 1 shl 0               ; Deffered
TDES0_UF                = 1 shl 1               ; Underflow error
TDES0_LF                = 1 shl 2               ; Link fail report (only if CSR6<23>=1)
TDES0_CC_SH             = 3                     ; Collision Count shift - no of collision before transmission
TDES0_CC_MASK           = 1111b                 ; Collision Count mask
TDES0_HF                = 1 shl 7               ; Heartbeat fail
TDES0_EC                = 1 shl 8               ; Excessive Collisions - >16 collisions
TDES0_LC                = 1 shl 9               ; Late collision

        cmp     [edx + IOCTL.inp_size], 3                               ; Data input must be at least 3 bytes
        jb      .fail

 
        mov     eax, [edx + IOCTL.input]
        cmp     byte [eax], 1                                           ; 1 means device number and bus number (pci) are given

        jne     .fail                                                   ; other types aren't supported for this card yet

 
; check if the device is already listed

  .nextdevice:
        mov     ebx, [esi]
        cmp     al, byte[ebx + device.pci_bus]
        jne     @f
        cmp     ah, byte[ebx + device.pci_dev]
        je      .find_devicenum                                         ; Device is already loaded, let's find its device number
       @@:
        add     esi, 4
        loop    .nextdevice

 
 
; This device doesn't have its own eth_device structure yet, let's create one
  .firstdevice:

        cmp     [devices], MAX_DEVICES                                  ; First check if the driver can handle one more card

Subversion Repositories Kolibri OS

(root)/drivers/ethernet/dec21x4x.asm @ 7974 – Rev 5522 → 10057

Rev 5522		Rev 10057
Line 1...		Line 1...
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2024. 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	;; DEC 21x4x driver for KolibriOS ;;	6	;; DEC 21x4x driver for KolibriOS ;;
7	;; ;;	7	;; ;;
8	;; Based on dec21140.Asm from Solar OS by ;;	8	;; Based on dec21140.Asm from Solar OS by ;;
Line 93...		Line 93...
93		93
94	; using values from linux driver..	94	; using values from linux driver..
Line 95...		Line 95...
95	CSR0_DEFAULT = CSR0_WIE + CSR0_RLE + CSR0_RML + CSR0_CACHEALIGN_NONE	95	CSR0_DEFAULT = CSR0_WIE + CSR0_RLE + CSR0_RML + CSR0_CACHEALIGN_NONE
96		96
97	;------- CSR5 -STATUS- bits --------------------------------	97	;------- CSR5 -STATUS- bits --------------------------------
98	CSR5_TI = 0x00000001 ;1 shl 0 ; Transmit interupt - frame transmition completed	98	CSR5_TI = 0x00000001 ;1 shl 0 ; Transmit interupt - frame transmission completed
99	CSR5_TPS = 0x00000002 ;1 shl 1 ; Transmit process stopped	99	CSR5_TPS = 0x00000002 ;1 shl 1 ; Transmit process stopped
100	CSR5_TU = 0x00000004 ;1 shl 2 ; Transmit Buffer unavailable	100	CSR5_TU = 0x00000004 ;1 shl 2 ; Transmit Buffer unavailable
101	CSR5_TJT = 0x00000008 ;1 shl 3 ; Transmit Jabber Timeout (transmitter had been excessively active)	101	CSR5_TJT = 0x00000008 ;1 shl 3 ; Transmit Jabber Timeout (transmitter had been excessively active)
Line 180...		Line 180...
180		180
181	;receive	181	;receive
182	RDES0_ZER = 1 shl 0 ; must be 0 if legal length :D	182	RDES0_ZER = 1 shl 0 ; must be 0 if legal length :D
183	RDES0_CE = 1 shl 1 ; CRC error, valid only on last desc (RDES0<8>=1)	183	RDES0_CE = 1 shl 1 ; CRC error, valid only on last desc (RDES0<8>=1)
184	RDES0_DB = 1 shl 2 ; dribbling bit - not multiple of 8 bits, valid only on last desc (RDES0<8>=1)	184	RDES0_DB = 1 shl 2 ; dribbling bit - not multiple of 8 bits, valid only on last desc (RDES0<8>=1)
185	RDES0_RE = 1 shl 3 ; Report on MII error.. i dont realy know what this means :P	185	RDES0_RE = 1 shl 3 ; Report on MII error.. I don't realy know what this means :P
186	RDES0_RW = 1 shl 4 ; received watchdog timer expiration - must set CSR5<9>, valid only on last desc (RDES0<8>=1)	186	RDES0_RW = 1 shl 4 ; received watchdog timer expiration - must set CSR5<9>, valid only on last desc (RDES0<8>=1)
187	RDES0_FT = 1 shl 5 ; frame type: 0->IEEE802.0 (len<1500) 1-> ETHERNET frame (len>1500), valid only on last desc (RDES0<8>=1)	187	RDES0_FT = 1 shl 5 ; frame type: 0->IEEE802.0 (len<1500) 1-> ETHERNET frame (len>1500), valid only on last desc (RDES0<8>=1)
188	RDES0_CS = 1 shl 6 ; Collision seen, valid only on last desc (RDES0<8>=1)	188	RDES0_CS = 1 shl 6 ; Collision seen, valid only on last desc (RDES0<8>=1)
189	RDES0_TL = 1 shl 7 ; Too long(>1518)-NOT AN ERROR, valid only on last desc (RDES0<8>=1)	189	RDES0_TL = 1 shl 7 ; Too long(>1518)-NOT AN ERROR, valid only on last desc (RDES0<8>=1)
Line 192...		Line 192...
192	RDES0_MF = 1 shl 10 ; Multicast frame, valid only on last desc (RDES0<8>=1)	192	RDES0_MF = 1 shl 10 ; Multicast frame, valid only on last desc (RDES0<8>=1)
193	RDES0_RF = 1 shl 11 ; Runt frame, valid only on last desc (RDES0<8>=1) and id overflow	193	RDES0_RF = 1 shl 11 ; Runt frame, valid only on last desc (RDES0<8>=1) and id overflow
194	RDES0_DT_SERIAL = 00b shl 12 ; Data type-Serial recv frame, valid only on last desc (RDES0<8>=1)	194	RDES0_DT_SERIAL = 00b shl 12 ; Data type-Serial recv frame, valid only on last desc (RDES0<8>=1)
195	RDES0_DT_INTERNAL = 01b shl 12 ; Data type-Internal loopback recv frame, valid only on last desc (RDES0<8>=1)	195	RDES0_DT_INTERNAL = 01b shl 12 ; Data type-Internal loopback recv frame, valid only on last desc (RDES0<8>=1)
196	RDES0_DT_EXTERNAL = 11b shl 12 ; Data type-External loopback recv frame, valid only on last desc (RDES0<8>=1)	196	RDES0_DT_EXTERNAL = 11b shl 12 ; Data type-External loopback recv frame, valid only on last desc (RDES0<8>=1)
197	RDES0_DE = 1 shl 14 ; Descriptor error - cant own a new desc and frame doesnt fit, valid only on last desc (RDES0<8>=1)	197	RDES0_DE = 1 shl 14 ; Descriptor error - can't own a new desc and frame doesn't fit, valid only on last desc (RDES0<8>=1)
198	RDES0_ES = 1 shl 15 ; Error Summmary - bits 1+6+11+14, valid only on last desc (RDES0<8>=1)	198	RDES0_ES = 1 shl 15 ; Error Summmary - bits 1+6+11+14, valid only on last desc (RDES0<8>=1)
199	RDES0_FL_SH = 16 ; Field length shift, valid only on last desc (RDES0<8>=1)	199	RDES0_FL_SH = 16 ; Field length shift, valid only on last desc (RDES0<8>=1)
200	RDES0_FL_MASK = 11111111111111b ; Field length mask (+CRC), valid only on last desc (RDES0<8>=1)	200	RDES0_FL_MASK = 11111111111111b ; Field length mask (+CRC), valid only on last desc (RDES0<8>=1)
201	RDES0_FF = 1 shl 30 ; Filtering fail-frame failed address recognition test(must CSR6<30>=1), valid only on last desc (RDES0<8>=1)	201	RDES0_FF = 1 shl 30 ; Filtering fail-frame failed address recognition test(must CSR6<30>=1), valid only on last desc (RDES0<8>=1)
Line 204...		Line 204...
204	RDES1_RBS2_SH = 11 ; second buffer size SHIFT	204	RDES1_RBS2_SH = 11 ; second buffer size SHIFT
205	RDES1_RBS2_MASK = 11111111111b ; second buffer size MASK	205	RDES1_RBS2_MASK = 11111111111b ; second buffer size MASK
206	RDES1_RCH = 1 shl 24 ; Second address chained - second address (buffer) is next desc address	206	RDES1_RCH = 1 shl 24 ; Second address chained - second address (buffer) is next desc address
207	RDES1_RER = 1 shl 25 ; Receive End of Ring - final descriptor, NIC must return to first desc	207	RDES1_RER = 1 shl 25 ; Receive End of Ring - final descriptor, NIC must return to first desc
Line 208...		Line 208...
208		208
209	;transmition	209	;transmission
210	TDES0_DE = 1 shl 0 ; Deffered	210	TDES0_DE = 1 shl 0 ; Deffered
211	TDES0_UF = 1 shl 1 ; Underflow error	211	TDES0_UF = 1 shl 1 ; Underflow error
212	TDES0_LF = 1 shl 2 ; Link fail report (only if CSR6<23>=1)	212	TDES0_LF = 1 shl 2 ; Link fail report (only if CSR6<23>=1)
213	TDES0_CC_SH = 3 ; Collision Count shift - no of collision before transmition	213	TDES0_CC_SH = 3 ; Collision Count shift - no of collision before transmission
214	TDES0_CC_MASK = 1111b ; Collision Count mask	214	TDES0_CC_MASK = 1111b ; Collision Count mask
215	TDES0_HF = 1 shl 7 ; Heartbeat fail	215	TDES0_HF = 1 shl 7 ; Heartbeat fail
216	TDES0_EC = 1 shl 8 ; Excessive Collisions - >16 collisions	216	TDES0_EC = 1 shl 8 ; Excessive Collisions - >16 collisions
217	TDES0_LC = 1 shl 9 ; Late collision	217	TDES0_LC = 1 shl 9 ; Late collision
Line 379...		Line 379...
379	cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes	379	cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
380	jb .fail	380	jb .fail
Line 381...		Line 381...
381		381
382	mov eax, [edx + IOCTL.input]	382	mov eax, [edx + IOCTL.input]
383	cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given	383	cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
Line 384...		Line 384...
384	jne .fail ; other types arent supported for this card yet	384	jne .fail ; other types aren't supported for this card yet
Line 385...		Line 385...
385		385
386	; check if the device is already listed	386	; check if the device is already listed
Line 395...		Line 395...
395	.nextdevice:	395	.nextdevice:
396	mov ebx, [esi]	396	mov ebx, [esi]
397	cmp al, byte[ebx + device.pci_bus]	397	cmp al, byte[ebx + device.pci_bus]
398	jne @f	398	jne @f
399	cmp ah, byte[ebx + device.pci_dev]	399	cmp ah, byte[ebx + device.pci_dev]
400	je .find_devicenum ; Device is already loaded, let's find it's device number	400	je .find_devicenum ; Device is already loaded, let's find its device number
401	@@:	401	@@:
402	add esi, 4	402	add esi, 4
403	loop .nextdevice	403	loop .nextdevice
Line 404...		Line 404...
404		404
405		405
406	; This device doesnt have its own eth_device structure yet, lets create one	406	; This device doesn't have its own eth_device structure yet, let's create one
407	.firstdevice:	407	.firstdevice:
Line 408...		Line 408...
408	cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card	408	cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card