Ignore:
Timestamp:
2011-04-17T19:17:55Z (14 years ago)
Author:
Matej Klonfar <maklf@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
63517c2, cfbbe1d3
Parents:
ef354b6 (diff), 8595577b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

new report structure fixes

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/usb/src/host/device_keeper.c

    ref354b6 re50cd7f  
    4848{
    4949        assert(instance);
    50         fibril_mutex_initialize(&instance->guard);
    51         fibril_condvar_initialize(&instance->change);
    52         instance->last_address = 0;
    5350        unsigned i = 0;
    5451        for (; i < USB_ADDRESS_COUNT; ++i) {
    5552                instance->devices[i].occupied = false;
    56                 instance->devices[i].control_used = 0;
    5753                instance->devices[i].handle = 0;
    58                 list_initialize(&instance->devices[i].endpoints);
     54                instance->devices[i].speed = USB_SPEED_MAX;
    5955        }
    60 }
    61 /*----------------------------------------------------------------------------*/
    62 void usb_device_keeper_add_ep(
    63     usb_device_keeper_t *instance, usb_address_t address, endpoint_t *ep)
    64 {
    65         assert(instance);
    66         fibril_mutex_lock(&instance->guard);
    67         assert(instance->devices[address].occupied);
    68         list_append(&ep->same_device_eps, &instance->devices[address].endpoints);
    69         fibril_mutex_unlock(&instance->guard);
    70 }
    71 /*----------------------------------------------------------------------------*/
    72 /** Attempt to obtain address 0, blocks.
    73  *
    74  * @param[in] instance Device keeper structure to use.
    75  * @param[in] speed Speed of the device requesting default address.
    76  */
    77 void usb_device_keeper_reserve_default_address(
    78     usb_device_keeper_t *instance, usb_speed_t speed)
    79 {
    80         assert(instance);
    81         fibril_mutex_lock(&instance->guard);
    82         while (instance->devices[USB_ADDRESS_DEFAULT].occupied) {
    83                 fibril_condvar_wait(&instance->change, &instance->guard);
    84         }
    85         instance->devices[USB_ADDRESS_DEFAULT].occupied = true;
    86         instance->devices[USB_ADDRESS_DEFAULT].speed = speed;
    87         fibril_mutex_unlock(&instance->guard);
    88 }
    89 /*----------------------------------------------------------------------------*/
    90 /** Attempt to obtain address 0, blocks.
    91  *
    92  * @param[in] instance Device keeper structure to use.
    93  * @param[in] speed Speed of the device requesting default address.
    94  */
    95 void usb_device_keeper_release_default_address(usb_device_keeper_t *instance)
    96 {
    97         assert(instance);
    98         fibril_mutex_lock(&instance->guard);
    99         instance->devices[USB_ADDRESS_DEFAULT].occupied = false;
    100         fibril_mutex_unlock(&instance->guard);
    101         fibril_condvar_signal(&instance->change);
    102 }
    103 /*----------------------------------------------------------------------------*/
    104 /** Check setup packet data for signs of toggle reset.
    105  *
    106  * @param[in] instance Device keeper structure to use.
    107  * @param[in] target Device to receive setup packet.
    108  * @param[in] data Setup packet data.
    109  *
    110  * Really ugly one.
    111  */
    112 void usb_device_keeper_reset_if_need(
    113     usb_device_keeper_t *instance, usb_target_t target, const uint8_t *data)
    114 {
    115         assert(instance);
    116         fibril_mutex_lock(&instance->guard);
    117         if (target.endpoint > 15 || target.endpoint < 0
    118             || target.address >= USB_ADDRESS_COUNT || target.address < 0
    119             || !instance->devices[target.address].occupied) {
    120                 fibril_mutex_unlock(&instance->guard);
    121                 usb_log_error("Invalid data when checking for toggle reset.\n");
    122                 return;
    123         }
    124 
    125         switch (data[1])
    126         {
    127         case 0x01: /*clear feature*/
    128                 /* recipient is endpoint, value is zero (ENDPOINT_STALL) */
    129                 if (((data[0] & 0xf) == 1) && ((data[2] | data[3]) == 0)) {
    130                         link_t *current =
    131                             instance->devices[target.address].endpoints.next;
    132                         while (current !=
    133                            &instance->devices[target.address].endpoints)
    134                         {
    135                         /* endpoint number is < 16, thus first byte is enough */
    136                                 endpoint_toggle_reset_filtered(
    137                                     current, data[4]);
    138                                 current = current->next;
    139                         }
    140                 }
    141         break;
    142 
    143         case 0x9: /* set configuration */
    144         case 0x11: /* set interface */
    145                 /* target must be device */
    146                 if ((data[0] & 0xf) == 0) {
    147                         link_t *current =
    148                             instance->devices[target.address].endpoints.next;
    149                         while (current !=
    150                            &instance->devices[target.address].endpoints)
    151                         {
    152                                 endpoint_toggle_reset(current);
    153                                 current = current->next;
    154                         }
    155                 }
    156         break;
    157         }
    158         fibril_mutex_unlock(&instance->guard);
     56        // TODO: is this hack enough?
     57        // (it is needed to allow smooth registration at default address)
     58        instance->devices[0].occupied = true;
     59        instance->last_address = 0;
     60        fibril_mutex_initialize(&instance->guard);
    15961}
    16062/*----------------------------------------------------------------------------*/
    … …  
    18486        assert(new_address != USB_ADDRESS_DEFAULT);
    18587        assert(instance->devices[new_address].occupied == false);
     88
    18689        instance->devices[new_address].occupied = true;
    18790        instance->devices[new_address].speed = speed;
    18891        instance->last_address = new_address;
     92
    18993        fibril_mutex_unlock(&instance->guard);
    19094        return new_address;
    … …  
    202106        assert(instance);
    203107        fibril_mutex_lock(&instance->guard);
     108
    204109        assert(address > 0);
    205110        assert(address <= USB11_ADDRESS_MAX);
    206111        assert(instance->devices[address].occupied);
     112
    207113        instance->devices[address].handle = handle;
    208114        fibril_mutex_unlock(&instance->guard);
    … …  
    223129        fibril_mutex_lock(&instance->guard);
    224130        assert(instance->devices[address].occupied);
     131
    225132        instance->devices[address].occupied = false;
    226133        fibril_mutex_unlock(&instance->guard);
    … …  
    241148        while (address <= USB11_ADDRESS_MAX) {
    242149                if (instance->devices[address].handle == handle) {
     150                        assert(instance->devices[address].occupied);
    243151                        fibril_mutex_unlock(&instance->guard);
    244152                        return address;
    … …  
    262170        assert(address >= 0);
    263171        assert(address <= USB11_ADDRESS_MAX);
     172
    264173        return instance->devices[address].speed;
    265 }
    266 /*----------------------------------------------------------------------------*/
    267 void usb_device_keeper_use_control(
    268     usb_device_keeper_t *instance, usb_target_t target)
    269 {
    270         assert(instance);
    271         const uint16_t ep = 1 << target.endpoint;
    272         fibril_mutex_lock(&instance->guard);
    273         while (instance->devices[target.address].control_used & ep) {
    274                 fibril_condvar_wait(&instance->change, &instance->guard);
    275         }
    276         instance->devices[target.address].control_used |= ep;
    277         fibril_mutex_unlock(&instance->guard);
    278 }
    279 /*----------------------------------------------------------------------------*/
    280 void usb_device_keeper_release_control(
    281     usb_device_keeper_t *instance, usb_target_t target)
    282 {
    283         assert(instance);
    284         const uint16_t ep = 1 << target.endpoint;
    285         fibril_mutex_lock(&instance->guard);
    286         assert((instance->devices[target.address].control_used & ep) != 0);
    287         instance->devices[target.address].control_used &= ~ep;
    288         fibril_mutex_unlock(&instance->guard);
    289         fibril_condvar_signal(&instance->change);
    290174}
    291175/**
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