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Some major reworking. Re-enable the old way of building up the framelist pointers. MAke some parts more verbose for testing. Fix the stray td to actually something useful.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13993 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Niels Sascha Reedijk 2005-08-19 18:06:00 +00:00
parent 16c05905ae
commit f6ea6477c0
3 changed files with 43 additions and 21 deletions
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61
src/add-ons/kernel/busses/usb/uhci.cpp
View File

@ -192,6 +192,27 @@ UHCI::UHCI( pci_info *info , Stack *stack )
return;
}
/*
According tot the *BSD usb sources, there needs to be a stray transfer
descriptor in order to get some chipset to work nicely (PIIX or something
like that).
*/
uhci_td *straytd;
if ( m_stack->AllocateChunk( (void **)&(straytd) , &phy , 32 ) != B_OK )
{
dprintf( "USB UHCI::UHCI() Failed to allocate a stray transfer descriptor\n" );
delete_area( m_framearea );
m_initok = false;
return;
}
straytd->link_phy = TD_TERMINATE;
straytd->this_phy = reinterpret_cast<addr_t>(phy);
straytd->link_log = 0;
straytd->buffer_log = 0;
straytd->status = 0;
straytd->token = TD_TOKEN_NULL | 0x7f << TD_TOKEN_DEVADDR_SHIFT | 0x69;
straytd->buffer_phy = 0;
/*
Set up the virtual structure. I stole this idea from the linux usb stack,
the idea is that for every interrupt interval there is a queue head. These
@ -224,7 +245,8 @@ UHCI::UHCI( pci_info *info , Stack *stack )
}
}
// Make sure the qh_terminate terminates
m_qh_virtual[11]->link_phy = QH_TERMINATE;
m_qh_virtual[11]->link_phy = straytd->this_phy;
m_qh_virtual[11]->link_log = straytd;
//Insert the queues in the frame list. The linux developers mentioned
// in a comment that they used some magic to distribute the elements all
@ -232,7 +254,7 @@ UHCI::UHCI( pci_info *info , Stack *stack )
// (or do I know how I should do that), instead, I just take the frame
// number and determine where it should begin
/* //NOTE, in c++ this is butt-ugly. We have a addr_t *array (because with
//NOTE, in c++ this is butt-ugly. We have a addr_t *array (because with
//an addr_t *array we can apply pointer arithmetic), uhci_qh *pointers
//that need to be put through the logical | to make sure the pointer is
//invalid for the hc. The result of that needs to be converted into a
@ -241,29 +263,25 @@ UHCI::UHCI( pci_info *info , Stack *stack )
{
int frame = i+1;
if ( ( frame % 256 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_256) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_256->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 128 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_128) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_128->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 64 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_64) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_64->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 32 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_32) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_32->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 16 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_16) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_16->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 8 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_8) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_8->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 4 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_4) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_4->this_phy | FRAMELIST_NEXT_IS_QH;
else if ( ( frame % 2 ) == 0 )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_2) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_2->this_phy | FRAMELIST_NEXT_IS_QH;
else
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_interrupt_1) | FRAMELIST_NEXT_IS_QH );
m_framelist[i] = m_qh_interrupt_1->this_phy | FRAMELIST_NEXT_IS_QH;
}
*/
for ( int i = 0 ; i < 1024 ; i++ )
m_framelist[i] = reinterpret_cast<addr_t*>( reinterpret_cast<addr_t>(m_qh_control) | FRAMELIST_NEXT_IS_QH );
//Set base pointer
UHCI::pci_module->write_io_32( m_reg_base + UHCI_FRBASEADD , (int32)(m_framelist_phy) );
UHCI::pci_module->write_io_16( m_reg_base + UHCI_FRNUM , 0 );
@ -286,10 +304,13 @@ status_t UHCI::Start()
UHCI::pci_module->write_io_16( m_reg_base + UHCI_USBCMD , UHCI_USBCMD_RS );
bool running = false;
uint16 status = 0;
for ( int i = 0 ; i <= 10 ; i++ )
{
if ( ( UHCI::pci_module->read_io_16( m_reg_base + UHCI_USBSTS ) & UHCI_USBSTS_HCHALT ) == 0 )
snooze( 1 );
status = UHCI::pci_module->read_io_16( m_reg_base + UHCI_USBSTS );
dprintf( "UHCI::Start() current loop %u, status %u\n" , i , status );
if ( status & UHCI_USBSTS_HCHALT )
snooze( 1000 );
else
{
running = true;
@ -303,7 +324,7 @@ status_t UHCI::Start()
return B_ERROR;
}
TRACE( "UHCI::Start() Controller is started. USBSTS: %u\n" , UHCI::pci_module->read_io_16( m_reg_base + UHCI_USBSTS ) );
TRACE( "UHCI::Start() Controller is started. USBSTS: %u curframe: %u \n" , UHCI::pci_module->read_io_16( m_reg_base + UHCI_USBSTS ) , UHCI::pci_module->read_io_16( m_reg_base + UHCI_FRNUM ) );
return BusManager::Start();
}
@ -324,14 +345,14 @@ status_t UHCI::SubmitTransfer( Transfer *t )
void UHCI::GlobalReset()
{
UHCI::pci_module->write_io_16( m_reg_base + UHCI_USBCMD , UHCI_USBCMD_GRESET );
spin( 100000 );
snooze( 100000 );
UHCI::pci_module->write_io_16( m_reg_base + UHCI_USBCMD , 0 );
}
status_t UHCI::Reset()
{
UHCI::pci_module->write_io_16( m_reg_base + UHCI_USBCMD , UHCI_USBCMD_HCRESET );
spin( 100000 );
snooze( 100000 );
if ( UHCI::pci_module->read_io_16( m_reg_base + UHCI_USBCMD ) & UHCI_USBCMD_HCRESET )
return B_ERROR;
return B_OK;

2
src/add-ons/kernel/busses/usb/uhci.h
View File

@ -57,7 +57,7 @@ private:
//Frame list memory
area_id m_framearea;
addr_t *m_framelist[1024]; //The frame list struct
addr_t m_framelist[1024]; //The frame list struct
addr_t m_framelist_phy; //The physical pointer to the frame list
// Virtual frame

1
src/add-ons/kernel/busses/usb/uhci_hardware.h
View File

@ -113,6 +113,7 @@ typedef struct
#define TD_STATUS_ACTIVE ( 1 << 23 )
#define TD_TOKEN_DATA1 ( 1 << 19 )
#define TD_TOKEN_NULL (0x7FF << 21 )
#define TD_TOKEN_DEVADDR_SHIFT 8
#define TD_DEPTH_FIRST 0x4
#define TD_TERMINATE 0x1