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  • uspace/drv/ohci/batch.c

    r6b082a1b rf567bcf  
    3939
    4040#include "batch.h"
    41 #include "hcd_endpoint.h"
    4241#include "utils/malloc32.h"
    43 #include "hw_struct/endpoint_descriptor.h"
    44 #include "hw_struct/transfer_descriptor.h"
    4542
    46 typedef struct ohci_transfer_batch {
    47         ed_t *ed;
    48         td_t **tds;
    49         size_t td_count;
    50         size_t leave_td;
    51         char *device_buffer;
    52 } ohci_transfer_batch_t;
     43static void batch_call_in_and_dispose(usb_transfer_batch_t *instance);
     44static void batch_call_out_and_dispose(usb_transfer_batch_t *instance);
    5345
    54 static void ohci_transfer_batch_dispose(void *ohci_batch)
    55 {
    56         ohci_transfer_batch_t *instance = ohci_batch;
    57         if (!instance)
    58                 return;
    59         free32(instance->device_buffer);
    60         unsigned i = 0;
    61         if (instance->tds) {
    62                 for (; i< instance->td_count; ++i) {
    63                         if (i != instance->leave_td)
    64                                 free32(instance->tds[i]);
    65                 }
    66                 free(instance->tds);
    67         }
    68         free(instance);
    69 }
    70 /*----------------------------------------------------------------------------*/
    71 static void batch_control(usb_transfer_batch_t *instance,
    72     usb_direction_t data_dir, usb_direction_t status_dir);
    73 static void batch_data(usb_transfer_batch_t *instance);
    74 /*----------------------------------------------------------------------------*/
    75 usb_transfer_batch_t * batch_get(ddf_fun_t *fun, endpoint_t *ep,
    76     char *buffer, size_t buffer_size, char* setup_buffer, size_t setup_size,
     46#define DEFAULT_ERROR_COUNT 3
     47usb_transfer_batch_t * batch_get(
     48    ddf_fun_t *fun,
     49                usb_target_t target,
     50    usb_transfer_type_t transfer_type,
     51                size_t max_packet_size,
     52    usb_speed_t speed,
     53                char *buffer,
     54                size_t buffer_size,
     55                char *setup_buffer,
     56                size_t setup_size,
    7757    usbhc_iface_transfer_in_callback_t func_in,
    78     usbhc_iface_transfer_out_callback_t func_out, void *arg)
     58    usbhc_iface_transfer_out_callback_t func_out,
     59                void *arg,
     60                usb_device_keeper_t *manager
     61                )
    7962{
    8063#define CHECK_NULL_DISPOSE_RETURN(ptr, message...) \
     
    8265                usb_log_error(message); \
    8366                if (instance) { \
    84                         usb_transfer_batch_dispose(instance); \
     67                        batch_dispose(instance); \
    8568                } \
    8669                return NULL; \
     
    9073        CHECK_NULL_DISPOSE_RETURN(instance,
    9174            "Failed to allocate batch instance.\n");
    92         usb_transfer_batch_init(instance, ep, buffer, NULL, buffer_size,
    93             NULL, setup_size, func_in, func_out, arg, fun, NULL,
    94             ohci_transfer_batch_dispose);
     75        usb_transfer_batch_init(instance, target, transfer_type, speed,
     76            max_packet_size, buffer, NULL, buffer_size, NULL, setup_size,
     77            func_in, func_out, arg, fun, NULL, NULL);
    9578
    96         hcd_endpoint_t *hcd_ep = hcd_endpoint_get(ep);
    97         assert(hcd_ep);
     79        if (buffer_size > 0) {
     80                instance->transport_buffer = malloc32(buffer_size);
     81                CHECK_NULL_DISPOSE_RETURN(instance->transport_buffer,
     82                    "Failed to allocate device accessible buffer.\n");
     83        }
    9884
    99         ohci_transfer_batch_t *data = calloc(sizeof(ohci_transfer_batch_t), 1);
    100         CHECK_NULL_DISPOSE_RETURN(data, "Failed to allocate batch data.\n");
    101         instance->private_data = data;
    102 
    103         data->td_count =
    104             ((buffer_size + OHCI_TD_MAX_TRANSFER - 1) / OHCI_TD_MAX_TRANSFER);
    105         if (ep->transfer_type == USB_TRANSFER_CONTROL) {
    106                 data->td_count += 2;
    107         }
    108 
    109         /* we need one extra place for td that is currently assigned to hcd_ep*/
    110         data->tds = calloc(sizeof(td_t*), data->td_count + 1);
    111         CHECK_NULL_DISPOSE_RETURN(data->tds,
    112             "Failed to allocate transfer descriptors.\n");
    113 
    114         data->tds[0] = hcd_ep->td;
    115         data->leave_td = 0;
    116         unsigned i = 1;
    117         for (; i <= data->td_count; ++i) {
    118                 data->tds[i] = malloc32(sizeof(td_t));
    119                 CHECK_NULL_DISPOSE_RETURN(data->tds[i],
    120                     "Failed to allocate TD %d.\n", i );
    121         }
    122 
    123         data->ed = hcd_ep->ed;
    124 
    125         if (setup_size + buffer_size > 0) {
    126                 data->device_buffer = malloc32(setup_size + buffer_size);
    127                 CHECK_NULL_DISPOSE_RETURN(data->device_buffer,
    128                     "Failed to allocate device accessible buffer.\n");
    129                 instance->setup_buffer = data->device_buffer;
    130                 instance->data_buffer = data->device_buffer + setup_size;
     85        if (setup_size > 0) {
     86                instance->setup_buffer = malloc32(setup_size);
     87                CHECK_NULL_DISPOSE_RETURN(instance->setup_buffer,
     88                    "Failed to allocate device accessible setup buffer.\n");
    13189                memcpy(instance->setup_buffer, setup_buffer, setup_size);
    13290        }
     91
    13392
    13493        return instance;
    13594}
    13695/*----------------------------------------------------------------------------*/
    137 bool batch_is_complete(usb_transfer_batch_t *instance)
     96void batch_dispose(usb_transfer_batch_t *instance)
    13897{
    13998        assert(instance);
    140         ohci_transfer_batch_t *data = instance->private_data;
    141         assert(data);
    142         size_t tds = data->td_count;
    143         usb_log_debug("Batch(%p) checking %d td(s) for completion.\n",
    144             instance, tds);
    145         usb_log_debug("ED: %x:%x:%x:%x.\n",
    146             data->ed->status, data->ed->td_head, data->ed->td_tail,
    147             data->ed->next);
    148         size_t i = 0;
    149         instance->transfered_size = instance->buffer_size;
    150         for (; i < tds; ++i) {
    151                 assert(data->tds[i] != NULL);
    152                 usb_log_debug("TD %d: %x:%x:%x:%x.\n", i,
    153                     data->tds[i]->status, data->tds[i]->cbp, data->tds[i]->next,
    154                     data->tds[i]->be);
    155                 if (!td_is_finished(data->tds[i])) {
    156                         return false;
    157                 }
    158                 instance->error = td_error(data->tds[i]);
    159                 if (instance->error != EOK) {
    160                         usb_log_debug("Batch(%p) found error TD(%d):%x.\n",
    161                             instance, i, data->tds[i]->status);
    162                         /* Make sure TD queue is empty (one TD),
    163                          * ED should be marked as halted */
    164                         data->ed->td_tail =
    165                             (data->ed->td_head & ED_TDTAIL_PTR_MASK);
    166                         ++i;
    167                         break;
    168                 }
    169         }
    170         data->leave_td = i;
    171         assert(data->leave_td <= data->td_count);
    172         hcd_endpoint_t *hcd_ep = hcd_endpoint_get(instance->ep);
    173         assert(hcd_ep);
    174         hcd_ep->td = data->tds[i];
    175         if (i > 0)
    176                 instance->transfered_size -= td_remain_size(data->tds[i - 1]);
    177 
    178         /* Clear possible ED HALT */
    179         data->ed->td_head &= ~ED_TDHEAD_HALTED_FLAG;
    180         uint32_t pa = addr_to_phys(hcd_ep->td);
    181         assert(pa == (data->ed->td_head & ED_TDHEAD_PTR_MASK));
    182         assert(pa == (data->ed->td_tail & ED_TDTAIL_PTR_MASK));
    183 
    184         return true;
    185 }
    186 /*----------------------------------------------------------------------------*/
    187 void batch_commit(usb_transfer_batch_t *instance)
    188 {
    189         assert(instance);
    190         ohci_transfer_batch_t *data = instance->private_data;
    191         assert(data);
    192         ed_set_end_td(data->ed, data->tds[data->td_count]);
     99        free32(instance->transport_buffer);
     100        free32(instance->setup_buffer);
     101        free(instance);
    193102}
    194103/*----------------------------------------------------------------------------*/
     
    197106        assert(instance);
    198107        /* We are data out, we are supposed to provide data */
    199         memcpy(instance->data_buffer, instance->buffer, instance->buffer_size);
    200         instance->next_step = usb_transfer_batch_call_out_and_dispose;
    201         batch_control(instance, USB_DIRECTION_OUT, USB_DIRECTION_IN);
     108        memcpy(instance->transport_buffer, instance->buffer,
     109            instance->buffer_size);
     110        instance->next_step = batch_call_out_and_dispose;
     111        /* TODO: implement */
    202112        usb_log_debug("Batch(%p) CONTROL WRITE initialized.\n", instance);
    203113}
     
    206116{
    207117        assert(instance);
    208         instance->next_step = usb_transfer_batch_call_in_and_dispose;
    209         batch_control(instance, USB_DIRECTION_IN, USB_DIRECTION_OUT);
     118        instance->next_step = batch_call_in_and_dispose;
     119        /* TODO: implement */
    210120        usb_log_debug("Batch(%p) CONTROL READ initialized.\n", instance);
    211121}
     
    214124{
    215125        assert(instance);
    216         instance->next_step = usb_transfer_batch_call_in_and_dispose;
    217         batch_data(instance);
     126        instance->direction = USB_DIRECTION_IN;
     127        instance->next_step = batch_call_in_and_dispose;
     128        /* TODO: implement */
    218129        usb_log_debug("Batch(%p) INTERRUPT IN initialized.\n", instance);
    219130}
     
    222133{
    223134        assert(instance);
     135        instance->direction = USB_DIRECTION_OUT;
    224136        /* We are data out, we are supposed to provide data */
    225         memcpy(instance->data_buffer, instance->buffer, instance->buffer_size);
    226         instance->next_step = usb_transfer_batch_call_out_and_dispose;
    227         batch_data(instance);
     137        memcpy(instance->transport_buffer, instance->buffer,
     138            instance->buffer_size);
     139        instance->next_step = batch_call_out_and_dispose;
     140        /* TODO: implement */
    228141        usb_log_debug("Batch(%p) INTERRUPT OUT initialized.\n", instance);
    229142}
     
    232145{
    233146        assert(instance);
    234         instance->next_step = usb_transfer_batch_call_in_and_dispose;
    235         batch_data(instance);
     147        instance->direction = USB_DIRECTION_IN;
     148        instance->next_step = batch_call_in_and_dispose;
     149        /* TODO: implement */
    236150        usb_log_debug("Batch(%p) BULK IN initialized.\n", instance);
    237151}
     
    240154{
    241155        assert(instance);
    242         /* We are data out, we are supposed to provide data */
    243         memcpy(instance->data_buffer, instance->buffer, instance->buffer_size);
    244         instance->next_step = usb_transfer_batch_call_out_and_dispose;
    245         batch_data(instance);
    246         usb_log_debug("Batch(%p) BULK OUT initialized.\n", instance);
     156        instance->direction = USB_DIRECTION_IN;
     157        instance->next_step = batch_call_in_and_dispose;
     158        /* TODO: implement */
     159        usb_log_debug("Batch(%p) BULK IN initialized.\n", instance);
    247160}
    248161/*----------------------------------------------------------------------------*/
    249 ed_t * batch_ed(usb_transfer_batch_t *instance)
     162/** Helper function calls callback and correctly disposes of batch structure.
     163 *
     164 * @param[in] instance Batch structure to use.
     165 */
     166void batch_call_in_and_dispose(usb_transfer_batch_t *instance)
    250167{
    251168        assert(instance);
    252         ohci_transfer_batch_t *data = instance->private_data;
    253         assert(data);
    254         return data->ed;
     169        usb_transfer_batch_call_in(instance);
     170        batch_dispose(instance);
    255171}
    256172/*----------------------------------------------------------------------------*/
    257 void batch_control(usb_transfer_batch_t *instance,
    258     usb_direction_t data_dir, usb_direction_t status_dir)
     173/** Helper function calls callback and correctly disposes of batch structure.
     174 *
     175 * @param[in] instance Batch structure to use.
     176 */
     177void batch_call_out_and_dispose(usb_transfer_batch_t *instance)
    259178{
    260179        assert(instance);
    261         ohci_transfer_batch_t *data = instance->private_data;
    262         assert(data);
    263         usb_log_debug("Using ED(%p): %x:%x:%x:%x.\n", data->ed,
    264             data->ed->status, data->ed->td_tail, data->ed->td_head,
    265             data->ed->next);
    266         int toggle = 0;
    267         /* setup stage */
    268         td_init(data->tds[0], USB_DIRECTION_BOTH, instance->setup_buffer,
    269                 instance->setup_size, toggle);
    270         td_set_next(data->tds[0], data->tds[1]);
    271         usb_log_debug("Created SETUP TD: %x:%x:%x:%x.\n", data->tds[0]->status,
    272             data->tds[0]->cbp, data->tds[0]->next, data->tds[0]->be);
    273 
    274         /* data stage */
    275         size_t td_current = 1;
    276         size_t remain_size = instance->buffer_size;
    277         char *buffer = instance->data_buffer;
    278         while (remain_size > 0) {
    279                 size_t transfer_size = remain_size > OHCI_TD_MAX_TRANSFER ?
    280                     OHCI_TD_MAX_TRANSFER : remain_size;
    281                 toggle = 1 - toggle;
    282 
    283                 td_init(data->tds[td_current], data_dir, buffer,
    284                     transfer_size, toggle);
    285                 td_set_next(data->tds[td_current], data->tds[td_current + 1]);
    286                 usb_log_debug("Created DATA TD: %x:%x:%x:%x.\n",
    287                     data->tds[td_current]->status, data->tds[td_current]->cbp,
    288                     data->tds[td_current]->next, data->tds[td_current]->be);
    289 
    290                 buffer += transfer_size;
    291                 remain_size -= transfer_size;
    292                 assert(td_current < data->td_count - 1);
    293                 ++td_current;
    294         }
    295 
    296         /* status stage */
    297         assert(td_current == data->td_count - 1);
    298         td_init(data->tds[td_current], status_dir, NULL, 0, 1);
    299         td_set_next(data->tds[td_current], data->tds[td_current + 1]);
    300         usb_log_debug("Created STATUS TD: %x:%x:%x:%x.\n",
    301             data->tds[td_current]->status, data->tds[td_current]->cbp,
    302             data->tds[td_current]->next, data->tds[td_current]->be);
    303 }
    304 /*----------------------------------------------------------------------------*/
    305 void batch_data(usb_transfer_batch_t *instance)
    306 {
    307         assert(instance);
    308         ohci_transfer_batch_t *data = instance->private_data;
    309         assert(data);
    310         usb_log_debug("Using ED(%p): %x:%x:%x:%x.\n", data->ed,
    311             data->ed->status, data->ed->td_tail, data->ed->td_head,
    312             data->ed->next);
    313 
    314         size_t td_current = 0;
    315         size_t remain_size = instance->buffer_size;
    316         char *buffer = instance->data_buffer;
    317         while (remain_size > 0) {
    318                 size_t transfer_size = remain_size > OHCI_TD_MAX_TRANSFER ?
    319                     OHCI_TD_MAX_TRANSFER : remain_size;
    320 
    321                 td_init(data->tds[td_current], instance->ep->direction,
    322                     buffer, transfer_size, -1);
    323                 td_set_next(data->tds[td_current], data->tds[td_current + 1]);
    324                 usb_log_debug("Created DATA TD: %x:%x:%x:%x.\n",
    325                     data->tds[td_current]->status, data->tds[td_current]->cbp,
    326                     data->tds[td_current]->next, data->tds[td_current]->be);
    327 
    328                 buffer += transfer_size;
    329                 remain_size -= transfer_size;
    330                 assert(td_current < data->td_count);
    331                 ++td_current;
    332         }
     180        usb_transfer_batch_call_out(instance);
     181        batch_dispose(instance);
    333182}
    334183/**
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