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Changeset 561f41b in mainline for uspace/drv/uhci-hcd/uhci.c


Ignore:
Timestamp:
2011-05-07T16:00:10Z (11 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master
Children:
60b3bea
Parents:
b23e9cc (diff), 3ae5ca8 (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:

Major refactoring #211 should be fixed

UHCI: all interrupts are either communication driven or fatal
OHCI: control is taken only after we can handle interrupts

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/drv/uhci-hcd/uhci.c

    rb23e9cc r561f41b  
    4444#include "pci.h"
    4545
     46#include "hc.h"
     47#include "root_hub.h"
     48
     49/** Structure representing both functions of UHCI hc, USB host controller
     50 * and USB root hub */
     51typedef struct uhci {
     52        /** Pointer to DDF represenation of UHCI host controller */
     53        ddf_fun_t *hc_fun;
     54        /** Pointer to DDF represenation of UHCI root hub */
     55        ddf_fun_t *rh_fun;
     56
     57        /** Internal driver's represenation of UHCI host controller */
     58        hc_t hc;
     59        /** Internal driver's represenation of UHCI root hub */
     60        rh_t rh;
     61} uhci_t;
     62
     63static inline uhci_t * dev_to_uhci(ddf_dev_t *dev)
     64{
     65        assert(dev);
     66        assert(dev->driver_data);
     67        return dev->driver_data;
     68}
     69/*----------------------------------------------------------------------------*/
    4670/** IRQ handling callback, forward status from call to diver structure.
    4771 *
     
    6993{
    7094        assert(fun);
    71         usb_device_keeper_t *manager =
    72             &((uhci_t*)fun->dev->driver_data)->hc.manager;
    73 
     95        usb_device_keeper_t *manager = &dev_to_uhci(fun->dev)->hc.manager;
    7496        usb_address_t addr = usb_device_keeper_find(manager, handle);
     97
    7598        if (addr < 0) {
    7699                return addr;
     
    93116    ddf_fun_t *fun, devman_handle_t *handle)
    94117{
    95         assert(handle);
    96         ddf_fun_t *hc_fun = ((uhci_t*)fun->dev->driver_data)->hc_fun;
    97         assert(hc_fun != NULL);
    98 
    99         *handle = hc_fun->handle;
     118        assert(fun);
     119        ddf_fun_t *hc_fun = dev_to_uhci(fun->dev)->hc_fun;
     120        assert(hc_fun);
     121
     122        if (handle != NULL)
     123                *handle = hc_fun->handle;
    100124        return EOK;
    101125}
     
    126150static hw_res_ops_t hw_res_iface = {
    127151        .get_resource_list = get_resource_list,
    128         .enable_interrupt = NULL
     152        .enable_interrupt = NULL,
    129153};
    130154/*----------------------------------------------------------------------------*/
     
    146170 *  - registers interrupt handler
    147171 */
    148 int uhci_init(uhci_t *instance, ddf_dev_t *device)
    149 {
    150         assert(instance);
    151         instance->hc_fun = NULL;
     172int device_setup_uhci(ddf_dev_t *device)
     173{
     174        assert(device);
     175        uhci_t *instance = malloc(sizeof(uhci_t));
     176        if (instance == NULL) {
     177                usb_log_error("Failed to allocate OHCI driver.\n");
     178                return ENOMEM;
     179        }
     180
     181#define CHECK_RET_DEST_FREE_RETURN(ret, message...) \
     182if (ret != EOK) { \
     183        if (instance->hc_fun) \
     184                instance->hc_fun->ops = NULL; \
     185                instance->hc_fun->driver_data = NULL; \
     186                ddf_fun_destroy(instance->hc_fun); \
     187        if (instance->rh_fun) {\
     188                instance->rh_fun->ops = NULL; \
     189                instance->rh_fun->driver_data = NULL; \
     190                ddf_fun_destroy(instance->rh_fun); \
     191        } \
     192        free(instance); \
     193        usb_log_error(message); \
     194        return ret; \
     195} else (void)0
     196
    152197        instance->rh_fun = NULL;
    153 #define CHECK_RET_DEST_FUN_RETURN(ret, message...) \
    154 if (ret != EOK) { \
    155         usb_log_error(message); \
    156         if (instance->hc_fun) \
    157                 ddf_fun_destroy(instance->hc_fun); \
    158         if (instance->rh_fun) \
    159                 ddf_fun_destroy(instance->rh_fun); \
    160         return ret; \
    161 }
    162 
    163         uintptr_t io_reg_base = 0;
    164         size_t io_reg_size = 0;
     198        instance->hc_fun = ddf_fun_create(device, fun_exposed, "uhci-hc");
     199        int ret = (instance->hc_fun == NULL) ? ENOMEM : EOK;
     200        CHECK_RET_DEST_FREE_RETURN(ret, "Failed to create UHCI HC function.\n");
     201        instance->hc_fun->ops = &hc_ops;
     202        instance->hc_fun->driver_data = &instance->hc;
     203
     204        instance->rh_fun = ddf_fun_create(device, fun_inner, "uhci-rh");
     205        ret = (instance->rh_fun == NULL) ? ENOMEM : EOK;
     206        CHECK_RET_DEST_FREE_RETURN(ret, "Failed to create UHCI RH function.\n");
     207        instance->rh_fun->ops = &rh_ops;
     208        instance->rh_fun->driver_data = &instance->rh;
     209
     210        uintptr_t reg_base = 0;
     211        size_t reg_size = 0;
    165212        int irq = 0;
    166213
    167         int ret =
    168             pci_get_my_registers(device, &io_reg_base, &io_reg_size, &irq);
    169         CHECK_RET_DEST_FUN_RETURN(ret,
     214        ret = pci_get_my_registers(device, &reg_base, &reg_size, &irq);
     215        CHECK_RET_DEST_FREE_RETURN(ret,
    170216            "Failed to get I/O addresses for %" PRIun ": %s.\n",
    171217            device->handle, str_error(ret));
    172218        usb_log_debug("I/O regs at 0x%p (size %zu), IRQ %d.\n",
    173             (void *) io_reg_base, io_reg_size, irq);
     219            (void *) reg_base, reg_size, irq);
    174220
    175221        ret = pci_disable_legacy(device);
    176         CHECK_RET_DEST_FUN_RETURN(ret,
     222        CHECK_RET_DEST_FREE_RETURN(ret,
    177223            "Failed(%d) to disable legacy USB: %s.\n", ret, str_error(ret));
    178224
     
    194240#endif
    195241
    196         instance->hc_fun = ddf_fun_create(device, fun_exposed, "uhci-hc");
    197         ret = (instance->hc_fun == NULL) ? ENOMEM : EOK;
    198         CHECK_RET_DEST_FUN_RETURN(ret,
    199             "Failed(%d) to create HC function: %s.\n", ret, str_error(ret));
    200 
    201         ret = hc_init(&instance->hc, instance->hc_fun,
    202             (void*)io_reg_base, io_reg_size, interrupts);
    203         CHECK_RET_DEST_FUN_RETURN(ret,
     242
     243        ret = hc_init(&instance->hc, (void*)reg_base, reg_size, interrupts);
     244        CHECK_RET_DEST_FREE_RETURN(ret,
    204245            "Failed(%d) to init uhci-hcd: %s.\n", ret, str_error(ret));
    205 
    206         instance->hc_fun->ops = &hc_ops;
    207         instance->hc_fun->driver_data = &instance->hc;
    208         ret = ddf_fun_bind(instance->hc_fun);
    209         CHECK_RET_DEST_FUN_RETURN(ret,
    210             "Failed(%d) to bind UHCI device function: %s.\n",
    211             ret, str_error(ret));
    212         ret = ddf_fun_add_to_class(instance->hc_fun, USB_HC_DDF_CLASS_NAME);
    213         CHECK_RET_DEST_FUN_RETURN(ret,
    214             "Failed to add UHCI to HC class: %s.\n", str_error(ret));
    215 
    216 #undef CHECK_RET_HC_RETURN
    217246
    218247#define CHECK_RET_FINI_RETURN(ret, message...) \
    219248if (ret != EOK) { \
    220         usb_log_error(message); \
    221         if (instance->hc_fun) \
    222                 ddf_fun_destroy(instance->hc_fun); \
    223         if (instance->rh_fun) \
    224                 ddf_fun_destroy(instance->rh_fun); \
    225249        hc_fini(&instance->hc); \
     250        CHECK_RET_DEST_FREE_RETURN(ret, message); \
    226251        return ret; \
    227 }
     252} else (void)0
    228253
    229254        /* It does no harm if we register this on polling */
     
    234259            ret, str_error(ret));
    235260
    236         instance->rh_fun = ddf_fun_create(device, fun_inner, "uhci-rh");
    237         ret = (instance->rh_fun == NULL) ? ENOMEM : EOK;
    238         CHECK_RET_FINI_RETURN(ret,
    239             "Failed(%d) to create root hub function: %s.\n",
     261        ret = ddf_fun_bind(instance->hc_fun);
     262        CHECK_RET_FINI_RETURN(ret,
     263            "Failed(%d) to bind UHCI device function: %s.\n",
    240264            ret, str_error(ret));
     265
     266        ret = ddf_fun_add_to_class(instance->hc_fun, USB_HC_DDF_CLASS_NAME);
     267        CHECK_RET_FINI_RETURN(ret,
     268            "Failed to add UHCI to HC class: %s.\n", str_error(ret));
    241269
    242270        ret = rh_init(&instance->rh, instance->rh_fun,
     
    245273            "Failed(%d) to setup UHCI root hub: %s.\n", ret, str_error(ret));
    246274
    247         instance->rh_fun->ops = &rh_ops;
    248         instance->rh_fun->driver_data = &instance->rh;
    249275        ret = ddf_fun_bind(instance->rh_fun);
    250276        CHECK_RET_FINI_RETURN(ret,
    251277            "Failed(%d) to register UHCI root hub: %s.\n", ret, str_error(ret));
    252278
     279        device->driver_data = instance;
    253280        return EOK;
    254281#undef CHECK_RET_FINI_RETURN
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