Subversion Repositories Kolibri OS

Rev

Rev 3626 | Rev 4423 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3626 Rev 4265
Line 103... Line 103...
103 
; the common code and status interrupt pipe opened by us.
 103 
; the common code and status interrupt pipe opened by us.
104 
ConfigPipe              dd      ?
 104 
ConfigPipe              dd      ?
105 
StatusPipe              dd      ?
 105 
StatusPipe              dd      ?
106 
NumPorts                dd      ?
 106 
NumPorts                dd      ?
107 
; Number of downstream ports; from 1 to 255.
 107 
; Number of downstream ports; from 1 to 255.
- 
 
 108 
MaxPacketSize           dd      ?
- 
 
 109 
; Maximum packet size for interrupt endpoint.
- 
 
 110 
; Usually equals ceil((1+NumPorts)/8), but some hubs give additional bytes.
108 
Actions                 dd      ?
 111 
Actions                 dd      ?
109 
; Bitfield with HUB_* constants.
 112 
; Bitfield with HUB_* constants.
110 
PoweredOnTime           dd      ?
 113 
PoweredOnTime           dd      ?
111 
; Time (in ticks) when all downstream ports were powered up.
 114 
; Time (in ticks) when all downstream ports were powered up.
112 
ResetTime               dd      ?
 115 
ResetTime               dd      ?
Line 248... Line 251...
248 
        jnz     .lookep
 251 
        jnz     .lookep
249 
; We have located the descriptor for INTERRUPT IN endpoint,
 252 
; We have located the descriptor for INTERRUPT IN endpoint,
250 
; the pointer is in edx.
 253 
; the pointer is in edx.
251 
; 2. Allocate memory for the hub descriptor.
 254 
; 2. Allocate memory for the hub descriptor.
252 
; Maximum length (assuming 255 downstream ports) is 40 bytes.
 255 
; Maximum length (assuming 255 downstream ports) is 40 bytes.
- 
 
 256 
; Allocate 4 extra bytes to keep wMaxPacketSize.
253 
; 2a. Save registers.
 257 
; 2a. Save registers.
254 
        push    edx
 258 
        push    edx
255 
; 2b. Call the allocator.
 259 
; 2b. Call the allocator.
256 
        movi    eax, 40
 260 
        movi    eax, 44
257 
        call    malloc
 261 
        call    malloc
258 
; 2c. Restore registers.
 262 
; 2c. Restore registers.
259 
        pop     ecx
 263 
        pop     ecx
260 
; 2d. If failed, say something to the debug board and return error.
 264 
; 2d. If failed, say something to the debug board and return error.
261 
        test    eax, eax
 265 
        test    eax, eax
Line 265... Line 269...
265 
; 3. Open a pipe for the status endpoint with descriptor found in step 1.
 269 
; 3. Open a pipe for the status endpoint with descriptor found in step 1.
266 
        mov     ebx, [.pipe]
 270 
        mov     ebx, [.pipe]
267 
        movzx   eax, [ecx+usb_endpoint_descr.bEndpointAddress]
 271 
        movzx   eax, [ecx+usb_endpoint_descr.bEndpointAddress]
268 
        movzx   edx, [ecx+usb_endpoint_descr.bInterval]
 272 
        movzx   edx, [ecx+usb_endpoint_descr.bInterval]
269 
        movzx   ecx, [ecx+usb_endpoint_descr.wMaxPacketSize]
 273 
        movzx   ecx, [ecx+usb_endpoint_descr.wMaxPacketSize]
- 
 
 274 
        test    ecx, (1 shl 11) - 1
- 
 
 275 
        jz      .free
- 
 
 276 
        push    ecx
270 
        stdcall usb_open_pipe, ebx, eax, ecx, INTERRUPT_PIPE, edx
 277 
        stdcall usb_open_pipe, ebx, eax, ecx, INTERRUPT_PIPE, edx
- 
 
 278 
        pop     ecx
271 
; If failed, free the memory allocated in step 2,
 279 
; If failed, free the memory allocated in step 2,
272 
; say something to the debug board and return error.
 280 
; say something to the debug board and return error.
273 
        test    eax, eax
 281 
        test    eax, eax
274 
        jz      .free
 282 
        jz      .free
275 
; 4. Send control query for the hub descriptor,
 283 
; 4. Send control query for the hub descriptor,
276 
; pass status pipe as a callback parameter,
 284 
; pass status pipe as a callback parameter,
277 
; allow short packets.
 285 
; allow short packets.
- 
 
 286 
        and     ecx, (1 shl 11) - 1
- 
 
 287 
        mov     [esi+40], ecx
278 
        mov     dword [esi], 0xA0 + \   ; class-specific request
 288 
        mov     dword [esi], 0xA0 + \   ; class-specific request
279 
                (USB_GET_DESCRIPTOR shl 8) + \
 289 
                (USB_GET_DESCRIPTOR shl 8) + \
280 
                (0 shl 16) + \          ; descriptor index 0
 290 
                (0 shl 16) + \          ; descriptor index 0
281 
                (USB_HUB_DESCRIPTOR shl 24)
 291 
                (USB_HUB_DESCRIPTOR shl 24)
282 
        mov     dword [esi+4], 40 shl 16
 292 
        mov     dword [esi+4], 40 shl 16
Line 350... Line 360...
350 
        jb      .invalid
 360 
        jb      .invalid
351 
        sub     [length], 8
 361 
        sub     [length], 8
352 
        cmp     [length], edx
 362 
        cmp     [length], edx
353 
        jb      .invalid
 363 
        jb      .invalid
354 
; 5. Allocate the memory for usb_hub structure.
 364 
; 5. Allocate the memory for usb_hub structure.
355 
; Total size of variable-length data is ALIGN_UP(2*(floor(NumPorts/8)+1),4)+8*NumPorts.
 365 
; Total size of variable-length data is ALIGN_UP(floor(NumPorts/8)+1+MaxPacketSize,4)+8*NumPorts.
- 
 
 366 
        add     edx, [eax+40]
356 
        lea     edx, [sizeof.usb_hub+(edx-sizeof.usb_hub_descr)*2+3]
 367 
        add     edx, sizeof.usb_hub - sizeof.usb_hub_descr + 3
357 
        and     edx, not 3
 368 
        and     edx, not 3
358 
        lea     eax, [edx+ecx*8]
 369 
        lea     eax, [edx+ecx*8]
359 
        push    ecx edx
 370 
        push    ecx edx
360 
        call    malloc
 371 
        call    malloc
361 
        pop     edx ecx
 372 
        pop     edx ecx
Line 372... Line 383...
372 
        mov     [ebx+usb_hub.Controller], edx
 383 
        mov     [ebx+usb_hub.Controller], edx
373 
        mov     eax, [calldata]
 384 
        mov     eax, [calldata]
374 
        mov     [ebx+usb_hub.StatusPipe], eax
 385 
        mov     [ebx+usb_hub.StatusPipe], eax
375 
        push    esi edi
 386 
        push    esi edi
376 
        mov     esi, [buffer]
 387 
        mov     esi, [buffer]
- 
 
 388 
        mov     eax, [esi+40]
- 
 
 389 
        mov     [ebx+usb_hub.MaxPacketSize], eax
377 
; The following commands load bNbrPorts, wHubCharacteristics, bPwrOn2PwrGood.
 390 
; The following commands load bNbrPorts, wHubCharacteristics, bPwrOn2PwrGood.
378 
        mov     edx, dword [esi+usb_hub_descr.bNbrPorts]
 391 
        mov     edx, dword [esi+usb_hub_descr.bNbrPorts]
379 
        mov     dl, 0
 392 
        mov     dl, 0
380 
; The following command zeroes AccStatusChange and stores
 393 
; The following command zeroes AccStatusChange and stores
381 
; HubCharacteristics and PowerOnInterval.
 394 
; HubCharacteristics and PowerOnInterval.
Line 485... Line 498...
485 
 
 498 
 
486 
; Requests notification about any changes in hub/ports configuration.
 499 
; Requests notification about any changes in hub/ports configuration.
487 
; Called when initial configuration is done and when a previous notification
 500 
; Called when initial configuration is done and when a previous notification
488 
; has been processed.
 501 
; has been processed.
489 
proc usb_hub_wait_change
 - 
 
490 
        mov     ecx, [eax+usb_hub.NumPorts]
 - 
 
491 
        shr     ecx, 3
 - 
 
492 
        inc     ecx
 502 
proc usb_hub_wait_change
493 
        stdcall usb_normal_transfer_async, [eax+usb_hub.StatusPipe], \
 503 
        stdcall usb_normal_transfer_async, [eax+usb_hub.StatusPipe], \
494 
                [eax+usb_hub.StatusChangePtr], ecx, usb_hub_changed, eax, 1
 504 
                [eax+usb_hub.StatusChangePtr], [eax+usb_hub.MaxPacketSize], usb_hub_changed, eax, 1
495 
        ret
 505 
        ret
Line 496... Line 506...
496 
endp
 506 
endp
497 
 
 507 
 
Line 511... Line 521...
511 
; this corresponds to 'state of other ports was not changed'
 521 
; this corresponds to 'state of other ports was not changed'
512 
        mov     ecx, [eax+usb_hub.NumPorts]
 522 
        mov     ecx, [eax+usb_hub.NumPorts]
513 
        shr     ecx, 3
 523 
        shr     ecx, 3
514 
        inc     ecx
 524 
        inc     ecx
515 
        sub     ecx, [length]
 525 
        sub     ecx, [length]
- 
 
 526 
        jbe     .restart
516 
        push    eax edi
 527 
        push    eax edi
517 
        mov     edi, [buffer]
 528 
        mov     edi, [buffer]
518 
        add     edi, [length]
 529 
        add     edi, [length]
519 
        xor     eax, eax
 530 
        xor     eax, eax
520 
        rep stosb
 531 
        rep stosb