Changes in uspace/drv/uhci-hcd/main.c [a7e2f0d:17ceb72] in mainline

File:

• uspace/drv/uhci-hcd/main.c (modified) (3 diffs)

uspace/drv/uhci-hcd/main.c

@@ -26 +26 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-/** @addtogroup usb
+/** @addtogroup drvusbuhcihc
  * @{
  */
 /** @file
- * @brief UHCI driver
+ * @brief UHCI driver initialization
  */
 #include <ddf/driver.h>
-#include <ddf/interrupt.h>
-#include <device/hw_res.h>
 #include <errno.h>
 #include <str_error.h>
 
-#include <usb_iface.h>
 #include <usb/ddfiface.h>
 #include <usb/debug.h>
 
 #include "iface.h"
-#include "pci.h"
-#include "root_hub.h"
 #include "uhci.h"
 
@@ -60 +55 @@
 };
 /*----------------------------------------------------------------------------*/
-/** IRQ handling callback, identifies devic
- *
- * @param[in] dev DDF instance of the device to use.
- * @param[in] iid (Unused).
- * @param[in] call Pointer to the call that represents interrupt.
- */
-static void irq_handler(ddf_dev_t *dev, ipc_callid_t iid, ipc_call_t *call)
-{
-        assert(dev);
-        uhci_t *hc = dev_to_uhci(dev);
-        uint16_t status = IPC_GET_ARG1(*call);
-        assert(hc);
-        uhci_interrupt(hc, status);
-}
-/*----------------------------------------------------------------------------*/
-/** Initializes a new ddf driver instance of UHCI hcd.
+/** Initialize a new ddf driver instance for uhci hc and hub.
  *
  * @param[in] device DDF instance of the device to initialize.
  * @return Error code.
- *
- * Gets and initialies hardware resources, disables any legacy support,
- * and reports root hub device.
  */
 int uhci_add_device(ddf_dev_t *device)
 {
+        usb_log_info("uhci_add_device() called\n");
         assert(device);
-        uhci_t *hcd = NULL;
-#define CHECK_RET_FREE_HC_RETURN(ret, message...) \
-if (ret != EOK) { \
-        usb_log_error(message); \
-        if (hcd != NULL) \
-                free(hcd); \
-        return ret; \
-}
+        uhci_t *uhci = malloc(sizeof(uhci_t));
+        if (uhci == NULL) {
+                usb_log_error("Failed to allocate UHCI driver.\n");
+                return ENOMEM;
+        }
 
-        usb_log_info("uhci_add_device() called\n");
-
-        uintptr_t io_reg_base = 0;
-        size_t io_reg_size = 0;
-        int irq = 0;
-
-        int ret =
-            pci_get_my_registers(device, &io_reg_base, &io_reg_size, &irq);
-        CHECK_RET_FREE_HC_RETURN(ret,
-            "Failed(%d) to get I/O addresses:.\n", ret, device->handle);
-        usb_log_info("I/O regs at 0x%X (size %zu), IRQ %d.\n",
-            io_reg_base, io_reg_size, irq);
-
-        ret = pci_disable_legacy(device);
-        CHECK_RET_FREE_HC_RETURN(ret,
-            "Failed(%d) to disable legacy USB: %s.\n", ret, str_error(ret));
-
-#if 0
-        ret = pci_enable_interrupts(device);
+        int ret = uhci_init(uhci, device);
         if (ret != EOK) {
-                usb_log_warning(
-                    "Failed(%d) to enable interrupts, fall back to polling.\n",
-                    ret);
+                usb_log_error("Failed to initialzie UHCI driver.\n");
+                return ret;
         }
-#endif
-
-        hcd = malloc(sizeof(uhci_t));
-        ret = (hcd != NULL) ? EOK : ENOMEM;
-        CHECK_RET_FREE_HC_RETURN(ret,
-            "Failed(%d) to allocate memory for uhci hcd.\n", ret);
-
-        ret = uhci_init(hcd, device, (void*)io_reg_base, io_reg_size);
-        CHECK_RET_FREE_HC_RETURN(ret, "Failed(%d) to init uhci-hcd.\n", ret);
-#undef CHECK_RET_FREE_HC_RETURN
-
-        /*
-         * We might free hcd, but that does not matter since no one
-         * else would access driver_data anyway.
-         */
-        device->driver_data = hcd;
-
-        ddf_fun_t *rh = NULL;
-#define CHECK_RET_FINI_FREE_RETURN(ret, message...) \
-if (ret != EOK) { \
-        usb_log_error(message); \
-        if (hcd != NULL) {\
-                uhci_fini(hcd); \
-                free(hcd); \
-        } \
-        if (rh != NULL) \
-                free(rh); \
-        return ret; \
-}
-
-        /* It does no harm if we register this on polling */
-        ret = register_interrupt_handler(device, irq, irq_handler,
-            &hcd->interrupt_code);
-        CHECK_RET_FINI_FREE_RETURN(ret,
-            "Failed(%d) to register interrupt handler.\n", ret);
-
-        ret = setup_root_hub(&rh, device);
-        CHECK_RET_FINI_FREE_RETURN(ret,
-            "Failed(%d) to setup UHCI root hub.\n", ret);
-        rh->driver_data = hcd->ddf_instance;
-
-        ret = ddf_fun_bind(rh);
-        CHECK_RET_FINI_FREE_RETURN(ret,
-            "Failed(%d) to register UHCI root hub.\n", ret);
-
+        device->driver_data = uhci;
         return EOK;
-#undef CHECK_RET_FINI_FREE_RETURN
 }
 /*----------------------------------------------------------------------------*/
-/** Initializes global driver structures (NONE).
+/** Initialize global driver structures (NONE).
  *
  * @param[in] argc Nmber of arguments in argv vector (ignored).
@@ -178 +89 @@
 int main(int argc, char *argv[])
 {
-        sleep(3);
+        sleep(3); /* TODO: remove in final version */
         usb_log_enable(USB_LOG_LEVEL_DEBUG, NAME);