pintos-os.org Git - pintos-anon/blob - src/devices/usb_hub.c

   1 #include "devices/usb.h"
   2 #include "devices/usb_hub.h"
   3 #include <lib/debug.h>
   4
   5 #define USB_CLASS_HUB   0x09
   6
   7 #define REQ_HUB_GET_STATUS      0
   8 #define REQ_HUB_CLEAR_FEATURE   1
   9 #define REQ_HUB_SET_FEATURE     2
  10 #define REQ_HUB_GET_DESC        6
  11 #define REQ_HUB_SET_DESC        7
  12 #define REQ_HUB_CLEAR_TT_BUF    8
  13 #define REQ_HUB_RESET_TT        9
  14 #define REQ_HUB_GET_TT_STATE    10
  15 #define REQ_HUB_STOP_TT         11
  16
  17 #define HUB_SEL_HUB_POWER               0
  18 #define HUB_SEL_OVER_CURRENT            1
  19 #define HUB_SEL_PORT_CONN               0
  20 #define HUB_SEL_PORT_ENABLE             1
  21 #define HUB_SEL_PORT_SUSPEND            2
  22 #define HUB_SEL_PORT_OVER_CURRENT       3
  23 #define HUB_SEL_PORT_RESET              4
  24 #define HUB_SEL_PORT_POWER              8
  25 #define HUB_SEL_PORT_LOW_SPEED          9
  26
  27 #define SETUP_DESC_HUB                  0x29
  28
  29 static void* hub_attached(struct usb_iface*);
  30 static void hub_detached(class_info);
  31
  32 static struct usb_class hub_class = {
  33                 .attached = hub_attached,
  34                 .detached = hub_detached,
  35                 .class_id = USB_CLASS_HUB,
  36                 .name = "hub"
  37                 };
  38
  39
  40 void usb_hub_init(void)
  41 {
  42         usb_register_class(&hub_class);
  43 }
  44
  45
  46 static void* hub_attached(struct usb_iface* ui UNUSED)
  47 {
  48         return NULL;
  49 }
  50
  51 static void hub_detached(class_info info UNUSED)
  52 {
  53 }
  54