Changes in uspace/drv/bus/usb/ohci/ohci.c [44c1a48:507c6f3] in mainline

File:

• uspace/drv/bus/usb/ohci/ohci.c (modified) (10 diffs)

uspace/drv/bus/usb/ohci/ohci.c

@@ -33 +33 @@
  * @brief OHCI driver
  */
+
+/* XXX Fix this */
+#define _DDF_DATA_IMPLANT
+
 #include <errno.h>
 #include <str_error.h>
@@ -52 +56 @@
 } ohci_t;
 
-static inline ohci_t * dev_to_ohci(ddf_dev_t *dev)
-{
-        assert(dev);
-        return dev->driver_data;
+static inline ohci_t *dev_to_ohci(ddf_dev_t *dev)
+{
+        return ddf_dev_data_get(dev);
 }
 /** IRQ handling callback, identifies device
@@ -75 +78 @@
         hc_interrupt(&ohci->hc, status);
 }
-/*----------------------------------------------------------------------------*/
+
 /** Get USB address assigned to root hub.
  *
@@ -87 +90 @@
 
         if (address != NULL) {
-                *address = dev_to_ohci(fun->dev)->hc.rh.address;
+                *address = dev_to_ohci(ddf_fun_get_dev(fun))->hc.rh.address;
         }
 
         return EOK;
 }
-/*----------------------------------------------------------------------------*/
+
 /** Gets handle of the respective hc (this device, hc function).
  *
@@ -103 +106 @@
 {
         assert(fun);
-        ddf_fun_t *hc_fun = dev_to_ohci(fun->dev)->hc_fun;
+        ddf_fun_t *hc_fun = dev_to_ohci(ddf_fun_get_dev(fun))->hc_fun;
         assert(hc_fun);
 
         if (handle != NULL)
-                *handle = hc_fun->handle;
+                *handle = ddf_fun_get_handle(hc_fun);
         return EOK;
 }
-/*----------------------------------------------------------------------------*/
+
 /** Root hub USB interface */
 static usb_iface_t usb_iface = {
@@ -116 +119 @@
         .get_my_address = rh_get_my_address,
 };
-/*----------------------------------------------------------------------------*/
+
 /** Standard USB HC options (HC interface) */
 static ddf_dev_ops_t hc_ops = {
         .interfaces[USBHC_DEV_IFACE] = &hcd_iface,
 };
-/*----------------------------------------------------------------------------*/
+
 /** Standard USB RH options (RH interface) */
 static ddf_dev_ops_t rh_ops = {
         .interfaces[USB_DEV_IFACE] = &usb_iface,
 };
-/*----------------------------------------------------------------------------*/
+
 /** Initialize hc and rh ddf structures and their respective drivers.
  *
@@ -140 +143 @@
 int device_setup_ohci(ddf_dev_t *device)
 {
+        bool ih_registered = false;
+        bool hc_inited = false;
+        int rc;
+
         if (device == NULL)
                 return EBADMEM;
@@ -149 +156 @@
         }
 
-#define CHECK_RET_DEST_FREE_RETURN(ret, message...) \
-if (ret != EOK) { \
-        if (instance->hc_fun) { \
-                instance->hc_fun->driver_data = NULL; \
-                ddf_fun_destroy(instance->hc_fun); \
-        } \
-        if (instance->rh_fun) { \
-                instance->rh_fun->driver_data = NULL; \
-                ddf_fun_destroy(instance->rh_fun); \
-        } \
-        usb_log_error(message); \
-        return ret; \
-} else (void)0
-
         instance->hc_fun = ddf_fun_create(device, fun_exposed, "ohci_hc");
-        int ret = instance->hc_fun ? EOK : ENOMEM;
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to create OHCI HC function: %s.\n", str_error(ret));
-        instance->hc_fun->ops = &hc_ops;
-        instance->hc_fun->driver_data = &instance->hc;
+        if (instance->hc_fun == NULL) {
+                usb_log_error("Failed to create OHCI HC function: %s.\n",
+                    str_error(ENOMEM));
+                rc = ENOMEM;
+                goto error;
+        }
+
+        ddf_fun_set_ops(instance->hc_fun, &hc_ops);
+        ddf_fun_data_implant(instance->hc_fun, &instance->hc);
 
         instance->rh_fun = ddf_fun_create(device, fun_inner, "ohci_rh");
-        ret = instance->rh_fun ? EOK : ENOMEM;
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to create OHCI RH function: %s.\n", str_error(ret));
-        instance->rh_fun->ops = &rh_ops;
+        if (instance->rh_fun == NULL) {
+                usb_log_error("Failed to create OHCI RH function: %s.\n",
+                    str_error(ENOMEM));
+                rc = ENOMEM;
+                goto error;
+        }
+
+        ddf_fun_set_ops(instance->rh_fun, &rh_ops);
 
         uintptr_t reg_base = 0;
@@ -180 +181 @@
         int irq = 0;
 
-        ret = get_my_registers(device, &reg_base, &reg_size, &irq);
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to get register memory addresses for %" PRIun ": %s.\n",
-            device->handle, str_error(ret));
+        rc = get_my_registers(device, &reg_base, &reg_size, &irq);
+        if (rc != EOK) {
+                usb_log_error("Failed to get register memory addresses "
+                    "for %" PRIun ": %s.\n", ddf_dev_get_handle(device),
+                    str_error(rc));
+                goto error;
+        }
+
         usb_log_debug("Memory mapped regs at %p (size %zu), IRQ %d.\n",
             (void *) reg_base, reg_size, irq);
 
-        const size_t ranges_count = hc_irq_pio_range_count();
-        const size_t cmds_count = hc_irq_cmd_count();
-        irq_pio_range_t irq_ranges[ranges_count];
-        irq_cmd_t irq_cmds[cmds_count];
-        irq_code_t irq_code = {
-                .rangecount = ranges_count,
-                .ranges = irq_ranges,
-                .cmdcount = cmds_count,
-                .cmds = irq_cmds
-        };
-
-        ret = hc_get_irq_code(irq_ranges, sizeof(irq_ranges), irq_cmds,
-            sizeof(irq_cmds), reg_base, reg_size);
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to generate IRQ code: %s.\n", str_error(ret));
-
-
-        /* Register handler to avoid interrupt lockup */
-        ret = register_interrupt_handler(device, irq, irq_handler, &irq_code);
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to register interrupt handler: %s.\n", str_error(ret));
+        rc = hc_register_irq_handler(device, reg_base, reg_size, irq, irq_handler);
+        if (rc != EOK) {
+                usb_log_error("Failed to register interrupt handler: %s.\n",
+                    str_error(rc));
+                goto error;
+        }
+
+        ih_registered = true;
 
         /* Try to enable interrupts */
         bool interrupts = false;
-        ret = enable_interrupts(device);
-        if (ret != EOK) {
+        rc = enable_interrupts(device);
+        if (rc != EOK) {
                 usb_log_warning("Failed to enable interrupts: %s."
-                    " Falling back to polling\n", str_error(ret));
+                    " Falling back to polling\n", str_error(rc));
                 /* We don't need that handler */
                 unregister_interrupt_handler(device, irq);
+                ih_registered = false;
         } else {
                 usb_log_debug("Hw interrupts enabled.\n");
@@ -222 +215 @@
         }
 
-        ret = hc_init(&instance->hc, reg_base, reg_size, interrupts);
-        CHECK_RET_DEST_FREE_RETURN(ret,
-            "Failed to init ohci_hcd: %s.\n", str_error(ret));
-
-#define CHECK_RET_FINI_RETURN(ret, message...) \
-if (ret != EOK) { \
-        hc_fini(&instance->hc); \
-        unregister_interrupt_handler(device, irq); \
-        CHECK_RET_DEST_FREE_RETURN(ret, message); \
-} else (void)0
-
-
-        ret = ddf_fun_bind(instance->hc_fun);
-        CHECK_RET_FINI_RETURN(ret,
-            "Failed to bind OHCI device function: %s.\n", str_error(ret));
-
-        ret = ddf_fun_add_to_category(instance->hc_fun, USB_HC_CATEGORY);
-        CHECK_RET_FINI_RETURN(ret,
-            "Failed to add OHCI to HC class: %s.\n", str_error(ret));
-
-        ret = hc_register_hub(&instance->hc, instance->rh_fun);
-        CHECK_RET_FINI_RETURN(ret,
-            "Failed to register OHCI root hub: %s.\n", str_error(ret));
-        return ret;
-
-#undef CHECK_RET_FINI_RETURN
+        rc = hc_init(&instance->hc, reg_base, reg_size, interrupts);
+        if (rc != EOK) {
+                usb_log_error("Failed to init ohci_hcd: %s.\n", str_error(rc));
+                goto error;
+        }
+
+        hc_inited = true;
+
+        rc = ddf_fun_bind(instance->hc_fun);
+        if (rc != EOK) {
+                usb_log_error("Failed to bind OHCI device function: %s.\n",
+                    str_error(rc));
+                goto error;
+        }
+
+        rc = ddf_fun_add_to_category(instance->hc_fun, USB_HC_CATEGORY);
+        if (rc != EOK) {
+                usb_log_error("Failed to add OHCI to HC category: %s.\n",
+                    str_error(rc));
+                goto error;
+        }
+
+        rc = hc_register_hub(&instance->hc, instance->rh_fun);
+        if (rc != EOK) {
+                usb_log_error("Failed to register OHCI root hub: %s.\n",
+                    str_error(rc));
+                goto error;
+        }
+
+        return EOK;
+
+error:
+        if (hc_inited)
+                hc_fini(&instance->hc);
+        if (ih_registered)
+                unregister_interrupt_handler(device, irq);
+        if (instance->hc_fun != NULL)
+                ddf_fun_destroy(instance->hc_fun);
+        if (instance->rh_fun != NULL)
+                ddf_fun_destroy(instance->rh_fun);
+        return rc;
 }
 /**