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Changeset 545764b in mainline


Ignore:
Timestamp:
2011-04-14T21:08:07Z (11 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master
Children:
c9dc471
Parents:
2471aaf
Message:

Add support for OHCI toggle set and get

Location:
uspace
Files:
3 edited

Legend:

Unmodified
Added
Removed
  • uspace/drv/ohci/hcd_endpoint.c

    r2471aaf r545764b  
    3535#include "hcd_endpoint.h"
    3636
     37static void hcd_ep_toggle_set(void *hcd_ep, int toggle)
     38{
     39        hcd_endpoint_t *instance = hcd_ep;
     40        assert(instance);
     41        assert(instance->ed);
     42        ed_toggle_set(instance->ed, toggle);
     43}
     44static int hcd_ep_toggle_get(void *hcd_ep)
     45{
     46        hcd_endpoint_t *instance = hcd_ep;
     47        assert(instance);
     48        assert(instance->ed);
     49        return ed_toggle_get(instance->ed);
     50}
     51
     52
    3753hcd_endpoint_t * hcd_endpoint_assign(endpoint_t *ep)
    3854{
     
    5773        ed_init(hcd_ep->ed, ep);
    5874        ed_set_td(hcd_ep->ed, hcd_ep->td);
    59         endpoint_set_hc_data(ep, hcd_ep, NULL, NULL);
     75        endpoint_set_hc_data(ep, hcd_ep, hcd_ep_toggle_get, hcd_ep_toggle_set);
    6076
    6177        return hcd_ep;
  • uspace/drv/ohci/hw_struct/endpoint_descriptor.h

    r2471aaf r545764b  
    7373#define ED_TDHEAD_ZERO_SHIFT (2)
    7474#define ED_TDHEAD_TOGGLE_CARRY (0x2)
     75#define ED_TDHEAD_HALTED_FLAG (0x1)
    7576
    7677        volatile uint32_t next;
     
    106107        instance->next = pa;
    107108}
     109
     110static inline int ed_toggle_get(ed_t *instance)
     111{
     112        assert(instance);
     113        return (instance->td_head & ED_TDHEAD_TOGGLE_CARRY) ? 1 : 0;
     114}
     115
     116static inline void ed_toggle_set(ed_t *instance, int toggle)
     117{
     118        assert(instance);
     119        assert(toggle == 0 || toggle == 1);
     120        if (toggle == 1) {
     121                instance->td_head |= ED_TDHEAD_TOGGLE_CARRY;
     122        } else {
     123                /* clear halted flag when reseting toggle */
     124                instance->td_head &= ~ED_TDHEAD_TOGGLE_CARRY;
     125                instance->td_head &= ~ED_TDHEAD_HALTED_FLAG;
     126        }
     127}
    108128#endif
    109129/**
  • uspace/lib/usb/src/host/endpoint.c

    r2471aaf r545764b  
    123123        if (instance->address == target.address &&
    124124            (instance->endpoint == target.endpoint || target.endpoint == 0))
    125                 instance->toggle = 0;
     125                endpoint_toggle_set(instance, 0);
    126126}
    127127/**
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