diff options
Diffstat (limited to 'qemu/roms/SLOF/lib/libusb/usb-hub.c')
| -rw-r--r-- | qemu/roms/SLOF/lib/libusb/usb-hub.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/qemu/roms/SLOF/lib/libusb/usb-hub.c b/qemu/roms/SLOF/lib/libusb/usb-hub.c deleted file mode 100644 index bb8a30915..000000000 --- a/qemu/roms/SLOF/lib/libusb/usb-hub.c +++ /dev/null @@ -1,185 +0,0 @@ -/***************************************************************************** - * Copyright (c) 2013 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <string.h> -#include "usb-core.h" - -#undef HUB_DEBUG -//#define HUB_DEBUG -#ifdef HUB_DEBUG -#define dprintf(_x ...) do { printf(_x); } while(0) -#else -#define dprintf(_x ...) -#endif - -/* - * USB Spec 1.1 - * 11.16.2 Class-specific Requests - */ -struct usb_hub_ps { - uint16_t wPortStatus; - uint16_t wPortChange; -} __attribute__((packed)); - -#define HUB_PS_CONNECTION (1 << 0) -#define HUB_PS_ENABLE (1 << 1) -#define HUB_PS_SUSPEND (1 << 2) -#define HUB_PS_OVER_CURRENT (1 << 3) -#define HUB_PS_RESET (1 << 4) -#define HUB_PS_POWER (1 << 8) -#define HUB_PS_LOW_SPEED (1 << 9) - -#define HUB_PF_CONNECTION 0 -#define HUB_PF_ENABLE 1 -#define HUB_PF_SUSPEND 2 -#define HUB_PF_OVER_CURRENT 3 -#define HUB_PF_RESET 4 -#define HUB_PF_POWER 8 -#define HUB_PF_LOWSPEED 9 -#define HUB_PF_C_CONNECTION 16 -#define HUB_PF_C_ENABLE 17 -#define HUB_PF_C_SUSPEND 18 -#define HUB_PF_C_OVER_CURRENT 19 -#define HUB_PF_C_RESET 20 - -static int usb_get_hub_desc(struct usb_dev *dev, void *data, size_t size) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_DIR_IN | REQT_TYPE_CLASS | REQT_REC_DEVICE; - req.bRequest = REQ_GET_DESCRIPTOR; - req.wIndex = 0; - req.wLength = cpu_to_le16((uint16_t) size); - req.wValue = cpu_to_le16(DESCR_TYPE_HUB << 8); - return usb_send_ctrl(dev->control, &req, data); -} - -static int hub_get_port_status(struct usb_dev *dev, int port, void *data, size_t size) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_DIR_IN | REQT_TYPE_CLASS | REQT_REC_OTHER; - req.bRequest = REQ_GET_STATUS; - req.wValue = 0; - req.wIndex = cpu_to_le16((uint16_t)(port + 1)); - req.wLength = cpu_to_le16((uint16_t)size); - return usb_send_ctrl(dev->control, &req, data); -} - -static int hub_set_port_feature(struct usb_dev *dev, int port, int feature) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_DIR_OUT | REQT_TYPE_CLASS | REQT_REC_OTHER; - req.bRequest = REQ_SET_FEATURE; - req.wLength = 0; - req.wValue = cpu_to_le16((uint16_t)feature); - req.wIndex = cpu_to_le16((uint16_t)(port + 1)); - return usb_send_ctrl(dev->control, &req, NULL); -} - -#if 0 -static int hub_clear_port_feature(struct usb_dev *dev, int port, int feature) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_DIR_OUT | REQT_TYPE_CLASS | REQT_REC_OTHER; - req.bRequest = REQ_CLEAR_FEATURE; - req.wLength = 0; - req.wValue = cpu_to_le16((uint16_t)feature); - req.wIndex = cpu_to_le16((uint16_t)(port + 1)); - return usb_send_ctrl(dev->control, &req, NULL); -} -#endif - -static int hub_check_port(struct usb_dev *dev, int port) -{ - struct usb_hub_ps ps; - uint32_t time; - - if (!hub_get_port_status(dev, port, &ps, sizeof(ps))) - return false; - dprintf("Port Status %04X Port Change %04X\n", - le16_to_cpu(ps.wPortStatus), - le16_to_cpu(ps.wPortChange)); - - if (!(le16_to_cpu(ps.wPortStatus) & HUB_PS_POWER)) { - hub_set_port_feature(dev, port, HUB_PF_POWER); - SLOF_msleep(100); - time = SLOF_GetTimer() + USB_TIMEOUT; - while (time > SLOF_GetTimer()) { - cpu_relax(); - hub_get_port_status(dev, port, &ps, sizeof(ps)); - if (le16_to_cpu(ps.wPortStatus) & HUB_PS_CONNECTION) { - dprintf("power on Port Status %04X Port Change %04X\n", - le16_to_cpu(ps.wPortStatus), - le16_to_cpu(ps.wPortChange)); - break; - } - } - } - - if (le16_to_cpu(ps.wPortStatus) & HUB_PS_CONNECTION) { - hub_set_port_feature(dev, port, HUB_PF_RESET); - SLOF_msleep(100); - time = SLOF_GetTimer() + USB_TIMEOUT; - while (time > SLOF_GetTimer()) { - cpu_relax(); - hub_get_port_status(dev, port, &ps, sizeof(ps)); - if (!(le16_to_cpu(ps.wPortStatus) & HUB_PS_RESET)) { - dprintf("reset Port Status %04X Port Change %04X\n", - le16_to_cpu(ps.wPortStatus), - le16_to_cpu(ps.wPortChange)); - return true; - } - } - } - return false; -} - -unsigned int usb_hub_init(void *hubdev) -{ - struct usb_dev *dev = hubdev; - struct usb_dev_hub_descr hub; - struct usb_dev *newdev; - int i; - - dprintf("%s: enter %p\n", __func__, dev); - if (!dev) { - printf("usb-hub: NULL\n"); - return false; - } - memset(&hub, 0, sizeof(hub)); - usb_get_hub_desc(dev, &hub, sizeof(hub)); - dprintf("usb-hub: ports connected %d\n", hub.bNbrPorts); - for (i = 0; i < hub.bNbrPorts; i++) { - dprintf("usb-hub: ports scanning %d\n", i); - if (hub_check_port(dev, i)) { - dprintf("***********************************************\n"); - dprintf("\t\tusb-hub: device found %d\n", i); - dprintf("***********************************************\n"); - newdev = usb_devpool_get(); - dprintf("usb-hub: allocated device %p\n", newdev); - newdev->hcidev = dev->hcidev; - if (usb_setup_new_device(newdev, i)) - usb_slof_populate_new_device(newdev); - else - printf("usb-hub: unable to setup device on port %d\n", i); - } - } - return true; -} |