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Rev 3598 Rev 4418
Line 27... Line 27...
27 
;   when it should be invoked again, possibly infinite.
 27 
;   when it should be invoked again, possibly infinite.
28 
;   usb_thread_proc selects the minimum from all times returned by
 28 
;   usb_thread_proc selects the minimum from all times returned by
29 
;   ProcessDeferred and sleeps until this moment is reached or the thread
 29 
;   ProcessDeferred and sleeps until this moment is reached or the thread
30 
;   is awakened by IRQ handler.
 30 
;   is awakened by IRQ handler.
Line -... Line 31...
- 
 
 31 
 
- 
 
 32 
iglobal
- 
 
 33 
uhci_service_name:
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 34 
        db      'UHCI',0
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 35 
ohci_service_name:
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 36 
        db      'OHCI',0
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 37 
ehci_service_name:
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 38 
        db      'EHCI',0
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 39 
endg
31 
 
 40 
 
32 
; Initializes the USB subsystem.
 41 
; Initializes the USB subsystem.
33 
proc usb_init
 42 
proc usb_init
34 
; 1. Initialize all locks.
 43 
; 1. Initialize all locks.
35 
        mov     ecx, usb_controllers_list_mutex
 44 
        mov     ecx, usb_controllers_list_mutex
36 
        call    mutex_init
 - 
 
37 
        mov     ecx, usb1_ep_mutex
 - 
 
38 
        call    mutex_init
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39 
        mov     ecx, usb_gtd_mutex
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40 
        call    mutex_init
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41 
        mov     ecx, ehci_ep_mutex
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42 
        call    mutex_init
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43 
        mov     ecx, ehci_gtd_mutex
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44 
        call    mutex_init
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        call    mutex_init
45 
; 2. Kick off BIOS from all USB controllers, calling the corresponding function
 46 
; 2. Kick off BIOS from all USB controllers, calling the corresponding function
46 
; *hci_kickoff_bios. Also count USB controllers for the next step.
 47 
; *hci_kickoff_bios. Also count USB controllers for the next step.
47 
; Note: USB1 companion(s) must go before the corresponding EHCI controller,
 48 
; Note: USB1 companion(s) must go before the corresponding EHCI controller,
48 
; otherwise BIOS could see a device moving from EHCI to a companion;
 49 
; otherwise BIOS could see a device moving from EHCI to a companion;
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        mov     esi, [esi+PCIDEV.fd]
 58 
        mov     esi, [esi+PCIDEV.fd]
58 
        cmp     esi, pcidev_list
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        cmp     esi, pcidev_list
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        jz      .done_kickoff
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        jz      .done_kickoff
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        cmp     word [esi+PCIDEV.class+1], 0x0C03
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        cmp     word [esi+PCIDEV.class+1], 0x0C03
61 
        jnz     .kickoff
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        jnz     .kickoff
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        mov     eax, uhci_kickoff_bios
 63 
        mov     ebx, uhci_service_name
63 
        cmp     byte [esi+PCIDEV.class], 0x00
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        cmp     byte [esi+PCIDEV.class], 0x00
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        jz      .do_kickoff
 65 
        jz      .do_kickoff
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        mov     eax, ohci_kickoff_bios
 66 
        mov     ebx, ohci_service_name
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        cmp     byte [esi+PCIDEV.class], 0x10
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        cmp     byte [esi+PCIDEV.class], 0x10
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        jz      .do_kickoff
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        jz      .do_kickoff
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        mov     eax, ehci_kickoff_bios
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        mov     ebx, ehci_service_name
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        cmp     byte [esi+PCIDEV.class], 0x20
 70 
        cmp     byte [esi+PCIDEV.class], 0x20
70 
        jnz     .kickoff
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        jnz     .kickoff
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.do_kickoff:
 72 
.do_kickoff:
72 
        inc     dword [esp]
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        inc     dword [esp]
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 74 
        push    ebx esi
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 75 
        stdcall get_service, ebx
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 76 
        pop     esi ebx
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        call    eax
 77 
        test    eax, eax
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 78 
        jz      .driver_fail
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 79 
        mov     edx, [eax+USBSRV.usb_func]
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 80 
        cmp     [edx+usb_hardware_func.Version], USBHC_VERSION
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        jnz     .driver_invalid
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 82 
        mov     [esi+PCIDEV.owner], eax
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 83 
        call    [edx+usb_hardware_func.BeforeInit]
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 84 
        jmp     .kickoff
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 85 
.driver_fail:
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        DEBUGF 1,'K : failed to load driver %s\n',ebx
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 87 
        jmp     .kickoff
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 88 
.driver_invalid:
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        DEBUGF 1,'K : driver %s has wrong version\n',ebx
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        jmp     .kickoff
 90 
        jmp     .kickoff
75 
.done_kickoff:
 91 
.done_kickoff:
76 
        pop     eax
 92 
        pop     eax
77 
; 3. If no controllers were found, exit.
 93 
; 3. If no controllers were found, exit.
78 
; Otherwise, run the USB thread.
 94 
; Otherwise, run the USB thread.
Line 95... Line 111...
95 
        mov     eax, [eax+PCIDEV.fd]
 111 
        mov     eax, [eax+PCIDEV.fd]
96 
        cmp     eax, pcidev_list
 112 
        cmp     eax, pcidev_list
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        jz      .done_ehci
 113 
        jz      .done_ehci
98 
        cmp     [eax+PCIDEV.class], 0x0C0320
 114 
        cmp     [eax+PCIDEV.class], 0x0C0320
99 
        jnz     .scan_ehci
 115 
        jnz     .scan_ehci
100 
        mov     edi, ehci_hardware_func
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101 
        call    usb_init_controller
 116 
        call    usb_init_controller
102 
        jmp     .scan_ehci
 117 
        jmp     .scan_ehci
103 
.done_ehci:
 118 
.done_ehci:
104 
; 4b. Loop over all PCI devices, call usb_init_controller
 119 
; 4b. Loop over all PCI devices, call usb_init_controller
105 
; for all UHCI and OHCI controllers.
 120 
; for all UHCI and OHCI controllers.
106 
        mov     eax, pcidev_list
 121 
        mov     eax, pcidev_list
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.scan_usb1:
 122 
.scan_usb1:
108 
        mov     eax, [eax+PCIDEV.fd]
 123 
        mov     eax, [eax+PCIDEV.fd]
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        cmp     eax, pcidev_list
 124 
        cmp     eax, pcidev_list
110 
        jz      .done_usb1
 125 
        jz      .done_usb1
111 
        mov     edi, uhci_hardware_func
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112 
        cmp     [eax+PCIDEV.class], 0x0C0300
 126 
        cmp     [eax+PCIDEV.class], 0x0C0300
113 
        jz      @f
 127 
        jz      @f
114 
        mov     edi, ohci_hardware_func
 - 
 
115 
        cmp     [eax+PCIDEV.class], 0x0C0310
 128 
        cmp     [eax+PCIDEV.class], 0x0C0310
116 
        jnz     .scan_usb1
 129 
        jnz     .scan_usb1
117 
@@:
 130 
@@:
118 
        call    usb_init_controller
 131 
        call    usb_init_controller
119 
        jmp     .scan_usb1
 132 
        jmp     .scan_usb1
Line 236... Line 249...
236 
align 4
 249 
align 4
237 
usb_controllers_list_mutex      MUTEX
 250 
usb_controllers_list_mutex      MUTEX
238 
endg
 251 
endg
Line 239... Line 252...
239 
 
 252 
 
- 
 
 253 
include "memory.inc"
240 
include "memory.inc"
 254 
include "common.inc"
241 
include "hccommon.inc"
 255 
include "hccommon.inc"
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include "pipe.inc"
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include "ohci.inc"
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244 
include "uhci.inc"
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245 
include "ehci.inc"
 256 
include "pipe.inc"
246 
include "protocol.inc"
 257 
include "protocol.inc"
247 
include "hub.inc"
 -