Changeset ea696998 in mainline

Timestamp:

2011-03-26T00:16:22Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

c9f5e238

Parents:

9a2923d (diff), d70765d (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:

Reworked OHCI RH registration (no nasty delay fibril)

HC does not need usb interface RH is the top USB device
Use switch and global variables for RH descriptors

Location:

uspace/drv

Files:

• ohci/Makefile (modified) (1 diff)
• ohci/hc.c (modified) (4 diffs)
• ohci/hc.h (modified) (1 diff)
• ohci/iface.h (modified) (1 diff)
• ohci/main.c (modified) (3 diffs)
• ohci/ohci.c (added)
• ohci/ohci.h (added)
• ohci/root_hub.c (modified) (4 diffs)
• uhci-hcd/root_hub.c (modified) (1 diff)
• uhci-hcd/uhci.c (modified) (2 diffs)

uspace/drv/ohci/Makefile

@@ -37 +37 @@
         main.c \
         hc.c \
+        ohci.c \
         root_hub.c \
         pci.c

uspace/drv/ohci/hc.c

@@ -39 +39 @@
 #include <usb/debug.h>
 #include <usb/usb.h>
-#include <usb/hub.h>
 #include <usb/ddfiface.h>
 #include <usb/usbdevice.h>
@@ -45 +44 @@
 #include "hc.h"
 
-static int dummy_reset(int foo, void *arg);
 static int interrupt_emulator(hc_t *instance);
+/*----------------------------------------------------------------------------*/
+int hc_register_hub(hc_t *instance, ddf_fun_t *hub_fun)
+{
+        assert(instance);
+        assert(hub_fun);
+
+        usb_address_t hub_address =
+            device_keeper_get_free_address(&instance->manager, USB_SPEED_FULL);
+        instance->rh.address = hub_address;
+        usb_device_keeper_bind(
+            &instance->manager, hub_address, hub_fun->handle);
+
+        char *match_str = NULL;
+        int ret = asprintf(&match_str, "usb&mid");
+        ret = (match_str == NULL) ? ret : EOK;
+        if (ret < 0) {
+                usb_log_error("Failed to create root hub match-id string.\n");
+                return ret;
+        }
+
+        ret = ddf_fun_add_match_id(hub_fun, match_str, 100);
+        if (ret != EOK) {
+                usb_log_error("Failed add create root hub match-id.\n");
+        }
+        return ret;
+}
 /*----------------------------------------------------------------------------*/
 int hc_init(hc_t *instance, ddf_fun_t *fun, ddf_dev_t *dev,
@@ -68 +92 @@
         }
 
+        rh_init(&instance->rh, dev, instance->registers);
 
-        rh_init(&instance->rh, dev, instance->registers);
         /* TODO: implement */
-        return EOK;
-}
-/*----------------------------------------------------------------------------*/
-int hc_register_hub(hc_t *instance)
-{
-        async_usleep(1000000);
-#define CHECK_RET_RETURN(ret, msg...) \
-        if (ret != EOK) { \
-                usb_log_error(msg); \
-                return ret; \
-        } else (void)0
-        assert(instance);
-        assert(instance->ddf_instance);
-        assert(instance->ddf_instance->handle);
-        ddf_dev_t *dev = instance->rh.device;
-        int ret = EOK;
-
-        usb_hc_connection_t conn;
-        ret =
-            usb_hc_connection_initialize(&conn, instance->ddf_instance->handle);
-        CHECK_RET_RETURN(ret, "Failed to initialize hc connection.\n");
-
-        ret = usb_hc_connection_open(&conn);
-        CHECK_RET_RETURN(ret, "Failed to open hc connection.\n");
-
-        usb_address_t address;
-        devman_handle_t handle;
-        ret = usb_hc_new_device_wrapper(dev, &conn, USB_SPEED_FULL, dummy_reset,
-            0, instance, &address, &handle, NULL, NULL, NULL);
-        if (ret != EOK) {
-                usb_log_error("Failed to add rh device.\n");
-                instance->rh.address = -1;
-                return ret;
-        }
-
-        ret = usb_hc_connection_close(&conn);
-        CHECK_RET_RETURN(ret, "Failed to close hc connection.\n");
         return EOK;
 }
@@ -134 +121 @@
 }
 /*----------------------------------------------------------------------------*/
-static int dummy_reset(int foo, void *arg)
-{
-        hc_t *hc = (hc_t*)arg;
-        assert(hc);
-        hc->rh.address = 0;
-        return EOK;
-}
-/*----------------------------------------------------------------------------*/
-static int interrupt_emulator(hc_t *instance)
+int interrupt_emulator(hc_t *instance)
 {
         assert(instance);

uspace/drv/ohci/hc.h

@@ -57 +57 @@
 } hc_t;
 
+int hc_register_hub(hc_t *instance, ddf_fun_t *hub_fun);
+
 int hc_init(hc_t *instance, ddf_fun_t *fun, ddf_dev_t *dev,
      uintptr_t regs, size_t reg_size, bool interrupts);
-
-int hc_register_hub(hc_t *instance);
 
 int hc_schedule(hc_t *instance, usb_transfer_batch_t *batch);

uspace/drv/ohci/iface.h

@@ -33 +33 @@
  * Common OHCI definitions.
  */
-#ifndef DRV_OHCI_OHCI_H
-#define DRV_OHCI_OHCI_H
+#ifndef DRV_OHCI_IFACE_H
+#define DRV_OHCI_IFACE_H
 
 #include <usbhc_iface.h>
-
-#define NAME "ohci"
 
 extern usbhc_iface_t hc_iface;

uspace/drv/ohci/main.c

@@ -34 +34 @@
  */
 #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 "pci.h"
-#include "iface.h"
-#include "hc.h"
+#include "ohci.h"
+
+#define NAME "ohci"
 
 static int ohci_add_device(ddf_dev_t *device);
-static int get_hc_handle(ddf_fun_t *fun, devman_handle_t *handle)
-{
-        assert(handle);
-  assert(fun != NULL);
-
-  *handle = fun->handle;
-  return EOK;
-}
-/*----------------------------------------------------------------------------*/
-static int get_address(
-    ddf_fun_t *fun, devman_handle_t handle, usb_address_t *address)
-{
-        assert(fun);
-        usb_device_keeper_t *manager = &fun_to_hc(fun)->manager;
-  usb_address_t addr = usb_device_keeper_find(manager, handle);
-  if (addr < 0) {
-    return addr;
-  }
-
-  if (address != NULL) {
-    *address = addr;
-  }
-
-  return EOK;
-}
-/*----------------------------------------------------------------------------*/
-/** IRQ handling callback, identifies device
- *
- * @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);
-        hc_t *hc = (hc_t*)dev->driver_data;
-        assert(hc);
-        hc_interrupt(hc, 0);
-}
 /*----------------------------------------------------------------------------*/
 static driver_ops_t ohci_driver_ops = {
@@ -97 +54 @@
 };
 /*----------------------------------------------------------------------------*/
-static usb_iface_t hc_usb_iface = {
-        .get_address = get_address,
-        .get_hc_handle = get_hc_handle,
-};
-/*----------------------------------------------------------------------------*/
-static ddf_dev_ops_t hc_ops = {
-        .interfaces[USB_DEV_IFACE] = &hc_usb_iface,
-        .interfaces[USBHC_DEV_IFACE] = &hc_iface,
-};
-/*----------------------------------------------------------------------------*/
 /** Initializes a new ddf driver instance of OHCI hcd.
  *
@@ -112 +59 @@
  * @return Error code.
  */
-static int ohci_add_device(ddf_dev_t *device)
+int ohci_add_device(ddf_dev_t *device)
 {
+        usb_log_debug("ohci_add_device() called\n");
         assert(device);
-#define CHECK_RET_RETURN(ret, message...) \
-if (ret != EOK) { \
-        usb_log_error(message); \
-        return ret; \
-}
-
-        uintptr_t mem_reg_base = 0;
-        size_t mem_reg_size = 0;
-        int irq = 0;
-
-        int ret =
-            pci_get_my_registers(device, &mem_reg_base, &mem_reg_size, &irq);
-        CHECK_RET_RETURN(ret,
-            "Failed(%d) to get memory addresses:.\n", ret, device->handle);
-        usb_log_info("Memory mapped regs at 0x%X (size %zu), IRQ %d.\n",
-            mem_reg_base, mem_reg_size, irq);
-
-        ret = pci_disable_legacy(device);
-        CHECK_RET_RETURN(ret,
-            "Failed(%d) disable legacy USB: %s.\n", ret, str_error(ret));
-
-        hc_t *hcd = malloc(sizeof(hc_t));
-        if (hcd == NULL) {
+        ohci_t *ohci = malloc(sizeof(ohci_t));
+        if (ohci == NULL) {
                 usb_log_error("Failed to allocate OHCI driver.\n");
                 return ENOMEM;
         }
 
-        ddf_fun_t *hc_fun = ddf_fun_create(device, fun_exposed, "ohci-hc");
-        if (hc_fun == NULL) {
-                usb_log_error("Failed to create OHCI function.\n");
-                free(hcd);
-                return ENOMEM;
-        }
-
-
-        bool interrupts = false;
-#ifdef CONFIG_USBHC_NO_INTERRUPTS
-        usb_log_warning("Interrupts disabled in OS config, " \
-            "falling back to polling.\n");
-#else
-        ret = pci_enable_interrupts(device);
+        int ret = ohci_init(ohci, device);
         if (ret != EOK) {
-                usb_log_warning("Failed to enable interrupts: %s.\n",
+                usb_log_error("Failed to initialize OHCI driver: %s.\n",
                     str_error(ret));
-                usb_log_info("HW interrupts not available, " \
-                    "falling back to polling.\n");
-        } else {
-                usb_log_debug("Hw interrupts enabled.\n");
-                interrupts = true;
-        }
-#endif
-
-        ret = hc_init(hcd, hc_fun, device, mem_reg_base, mem_reg_size, interrupts);
-        if (ret != EOK) {
-                usb_log_error("Failed to initialize OHCI driver.\n");
-                free(hcd);
                 return ret;
         }
+        device->driver_data = ohci;
 
-        ret = register_interrupt_handler(device, irq, irq_handler, NULL);
-
-        hc_fun->ops = &hc_ops;
-        ret = ddf_fun_bind(hc_fun);
-        if (ret != EOK) {
-                usb_log_error("Failed to bind OHCI function.\n");
-                ddf_fun_destroy(hc_fun);
-                free(hcd);
-                return ret;
-        }
-        hc_fun->driver_data = hcd;
-
-        fid_t later = fibril_create((int(*)(void*))hc_register_hub, hcd);
-        fibril_add_ready(later);
-
-        usb_log_info("Controlling new OHCI device `%s' (handle %llu).\n",
-            device->name, device->handle);
+        usb_log_info("Controlling new OHCI device `%s'.\n", device->name);
 
         return EOK;
-#undef CHECK_RET_RETURN
 }
 /*----------------------------------------------------------------------------*/

uspace/drv/ohci/root_hub.c

@@ -43 +43 @@
 #include <usb/classes/hub.h>
 
+static const usb_standard_device_descriptor_t ohci_rh_device_descriptor =
+{
+                .configuration_count = 1,
+                .descriptor_type = USB_DESCTYPE_DEVICE,
+                .device_class = USB_CLASS_HUB,
+                .device_protocol = 0,
+                .device_subclass = 0,
+                .device_version = 0,
+                .length = sizeof(usb_standard_device_descriptor_t),
+                /// \TODO this value is guessed
+                .max_packet_size = 8,
+                .vendor_id = 0x16db,
+                .product_id = 0x0001,
+                /// \TODO these values migt be different
+                .str_serial_number = 0,
+                .usb_spec_version = 0,
+};
+
+static const usb_standard_configuration_descriptor_t ohci_rh_conf_descriptor =
+{
+        /// \TODO some values are default or guessed
+        .attributes = 1<<7,
+        .configuration_number = 1,
+        .descriptor_type = USB_DESCTYPE_CONFIGURATION,
+        .interface_count = 1,
+        .length = sizeof(usb_standard_configuration_descriptor_t),
+        .max_power = 100,
+        .str_configuration = 0,
+};
+
+static const usb_standard_interface_descriptor_t ohci_rh_iface_descriptor =
+{
+        .alternate_setting = 0,
+        .descriptor_type = USB_DESCTYPE_INTERFACE,
+        .endpoint_count = 1,
+        .interface_class = USB_CLASS_HUB,
+        /// \TODO is this correct?
+        .interface_number = 1,
+        .interface_protocol = 0,
+        .interface_subclass = 0,
+        .length = sizeof(usb_standard_interface_descriptor_t),
+        .str_interface = 0,
+};
+
+static const usb_standard_endpoint_descriptor_t ohci_rh_ep_descriptor =
+{
+        .attributes = USB_TRANSFER_INTERRUPT,
+        .descriptor_type = USB_DESCTYPE_ENDPOINT,
+        .endpoint_address = 1 + (1<<7),
+        .length = sizeof(usb_standard_endpoint_descriptor_t),
+        .max_packet_size = 8,
+        .poll_interval = 255,
+};
 
 /** Root hub initialization
@@ -178 +231 @@
                         (usb_device_request_setup_packet_t*)request->setup_buffer;
         size_t size;
-        void * result_descriptor;
-        uint16_t setup_request_value = setup_request->value_high;
+        const void * result_descriptor;
+        const uint16_t setup_request_value = setup_request->value_high;
                         //(setup_request->value_low << 8);
+        bool del = false;
+
+        switch (setup_request_value)
+        {
+        case USB_DESCTYPE_HUB: {
+                uint8_t * descriptor;
+                usb_create_serialized_hub_descriptor(
+                    instance, &descriptor, &size);
+                result_descriptor = descriptor;
+                break;
+        }
+        case USB_DESCTYPE_DEVICE: {
+                usb_log_debug("USB_DESCTYPE_DEVICE\n");
+                result_descriptor = &ohci_rh_device_descriptor;
+                size = sizeof(ohci_rh_device_descriptor);
+                break;
+        }
+        case USB_DESCTYPE_CONFIGURATION: {
+                usb_log_debug("USB_DESCTYPE_CONFIGURATION\n");
+                usb_standard_configuration_descriptor_t * descriptor =
+                                malloc(sizeof(usb_standard_configuration_descriptor_t));
+                memcpy(descriptor, &ohci_rh_conf_descriptor,
+                    sizeof(usb_standard_configuration_descriptor_t));
+                /// \TODO should this include device descriptor?
+                const size_t hub_descriptor_size = 7 +
+                                2* (instance->port_count / 8 +
+                                ((instance->port_count % 8 > 0) ? 1 : 0));
+                descriptor->total_length =
+                                sizeof(usb_standard_configuration_descriptor_t)+
+                                sizeof(usb_standard_endpoint_descriptor_t)+
+                                sizeof(usb_standard_interface_descriptor_t)+
+                                hub_descriptor_size;
+                result_descriptor = descriptor;
+                size = sizeof(usb_standard_configuration_descriptor_t);
+                del = true;
+                break;
+        }
+        case USB_DESCTYPE_INTERFACE: {
+                usb_log_debug("USB_DESCTYPE_INTERFACE\n");
+                result_descriptor = &ohci_rh_iface_descriptor;
+                size = sizeof(ohci_rh_iface_descriptor);
+                break;
+        }
+        case USB_DESCTYPE_ENDPOINT: {
+                usb_log_debug("USB_DESCTYPE_ENDPOINT\n");
+                result_descriptor = &ohci_rh_ep_descriptor;
+                size = sizeof(ohci_rh_ep_descriptor);
+                break;
+        }
+        default: {
+                usb_log_debug("USB_DESCTYPE_EINVAL %d \n",setup_request->value);
+                usb_log_debug("\ttype %d\n\trequest %d\n\tvalue %d\n\tindex %d\n\tlen %d\n ",
+                                setup_request->request_type,
+                                setup_request->request,
+                                setup_request_value,
+                                setup_request->index,
+                                setup_request->length
+                                );
+                return EINVAL;
+        }
+        }
+#if 0
         if(setup_request_value == USB_DESCTYPE_HUB){
                 usb_log_debug("USB_DESCTYPE_HUB\n");
@@ -277 +392 @@
                 return EINVAL;
         }
+#endif
         if(request->buffer_size < size){
                 size = request->buffer_size;
@@ -282 +398 @@
         request->transfered_size = size;
         memcpy(request->buffer,result_descriptor,size);
-        free(result_descriptor);
+        if (del)
+                free(result_descriptor);
         return EOK;
 }

uspace/drv/uhci-hcd/root_hub.c

@@ -48 +48 @@
  * @return Error code.
  */
-int rh_init(
-    rh_t *instance, ddf_fun_t *fun, uintptr_t reg_addr, size_t reg_size)
+int rh_init(rh_t *instance, ddf_fun_t *fun, uintptr_t reg_addr, size_t reg_size)
 {
         assert(fun);

uspace/drv/uhci-hcd/uhci.c

@@ -44 +44 @@
 #include "pci.h"
 
-
 /** IRQ handling callback, identifies device
  *
@@ -108 +107 @@
 /*----------------------------------------------------------------------------*/
 static ddf_dev_ops_t hc_ops = {
-        .interfaces[USB_DEV_IFACE] = &usb_iface,
+//      .interfaces[USB_DEV_IFACE] = &usb_iface,
         .interfaces[USBHC_DEV_IFACE] = &hc_iface, /* see iface.h/c */
 };