Changeset b4b534ac in mainline for uspace/drv/bus/usb/uhci/main.c

Timestamp:

2016-07-22T08:24:47Z (8 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f76d2c2

Parents:

5b18137 (diff), 8351f9a4 (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:

Merge from lp:~jan.vesely/helenos/usb

File:

• uspace/drv/bus/usb/uhci/main.c (modified) (4 diffs)

uspace/drv/bus/usb/uhci/main.c

@@ -26 +26 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-/** @addtogroup drvusbuhcihc
+/** @addtogroup drvusbuhci
  * @{
  */
@@ -32 +32 @@
  * @brief UHCI driver initialization
  */
+
+#include <assert.h>
 #include <ddf/driver.h>
+#include <devman.h>
 #include <errno.h>
+#include <io/log.h>
+#include <io/logctl.h>
+#include <pci_dev_iface.h>
+#include <stdio.h>
 #include <str_error.h>
+#include <usb/debug.h>
+#include <usb/host/ddf_helpers.h>
 
-#include <usb/ddfiface.h>
-#include <usb/debug.h>
-
-#include "uhci.h"
+#include "hc.h"
 
 #define NAME "uhci"
 
-static int uhci_dev_add(ddf_dev_t *device);
+static int uhci_driver_init(hcd_t *, const hw_res_list_parsed_t *, bool);
+static void uhci_driver_fini(hcd_t *);
+static int disable_legacy(ddf_dev_t *);
 
-static driver_ops_t uhci_driver_ops = {
-        .dev_add = uhci_dev_add,
+static const ddf_hc_driver_t uhci_hc_driver = {
+        .claim = disable_legacy,
+        .hc_speed = USB_SPEED_FULL,
+        .irq_code_gen = uhci_hc_gen_irq_code,
+        .init = uhci_driver_init,
+        .fini = uhci_driver_fini,
+        .name = "UHCI",
+        .ops = {
+                .schedule    = uhci_hc_schedule,
+                .irq_hook    = uhci_hc_interrupt,
+                .status_hook = uhci_hc_status,
+        },
 };
 
-static driver_t uhci_driver = {
-        .name = NAME,
-        .driver_ops = &uhci_driver_ops
-};
+static int uhci_driver_init(hcd_t *hcd, const hw_res_list_parsed_t *res, bool irq)
+{
+        assert(hcd);
+        assert(hcd_get_driver_data(hcd) == NULL);
+
+        hc_t *instance = malloc(sizeof(hc_t));
+        if (!instance)
+                return ENOMEM;
+
+        const int ret = hc_init(instance, res, irq);
+        if (ret == EOK) {
+                hcd_set_implementation(hcd, instance, &uhci_hc_driver.ops);
+        } else {
+                free(instance);
+        }
+        return ret;
+}
+
+static void uhci_driver_fini(hcd_t *hcd)
+{
+        assert(hcd);
+        hc_t *hc = hcd_get_driver_data(hcd);
+        if (hc)
+                hc_fini(hc);
+
+        hcd_set_implementation(hcd, NULL, NULL);
+        free(hc);
+}
+
+/** Call the PCI driver with a request to clear legacy support register
+ *
+ * @param[in] device Device asking to disable interrupts
+ * @return Error code.
+ */
+static int disable_legacy(ddf_dev_t *device)
+{
+        assert(device);
+
+        async_sess_t *parent_sess = devman_parent_device_connect(
+            ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+        if (!parent_sess)
+                return ENOMEM;
+
+        /* See UHCI design guide page 45 for these values.
+         * Write all WC bits in USB legacy register */
+        const int rc = pci_config_space_write_16(parent_sess, 0xc0, 0xaf00);
+
+        async_hangup(parent_sess);
+        return rc;
+}
 
 /** Initialize a new ddf driver instance for uhci hc and hub.
@@ -59 +123 @@
  * @return Error code.
  */
-int uhci_dev_add(ddf_dev_t *device)
+static int uhci_dev_add(ddf_dev_t *device)
 {
         usb_log_debug2("uhci_dev_add() called\n");
         assert(device);
+        return hcd_ddf_add_hc(device, &uhci_hc_driver);
+}
 
-        const int ret = device_setup_uhci(device);
-        if (ret != EOK) {
-                usb_log_error("Failed to initialize UHCI driver: %s.\n",
-                    str_error(ret));
-        } else {
-                usb_log_info("Controlling new UHCI device '%s'.\n",
-                    ddf_dev_get_name(device));
-        }
+static const driver_ops_t uhci_driver_ops = {
+        .dev_add = uhci_dev_add,
+};
 
-        return ret;
-}
+static const driver_t uhci_driver = {
+        .name = NAME,
+        .driver_ops = &uhci_driver_ops
+};
+
 
 /** Initialize global driver structures (NONE).
@@ -88 +152 @@
         printf(NAME ": HelenOS UHCI driver.\n");
         log_init(NAME);
-
+        logctl_set_log_level(NAME, LVL_NOTE);
         return ddf_driver_main(&uhci_driver);
 }