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-rw-r--r--payloads/libpayload/include/usb/usb.h39
1 files changed, 23 insertions, 16 deletions
diff --git a/payloads/libpayload/include/usb/usb.h b/payloads/libpayload/include/usb/usb.h
index 83d4a85759..381d0399ed 100644
--- a/payloads/libpayload/include/usb/usb.h
+++ b/payloads/libpayload/include/usb/usb.h
@@ -39,6 +39,14 @@ typedef enum { standard_type = 0, class_type = 1, vendor_type =
typedef enum { dev_recp = 0, iface_recp = 1, endp_recp = 2, other_recp = 3
} dev_req_recp;
+enum {
+ DT_DEV = 1,
+ DT_CFG = 2,
+ DT_STR = 3,
+ DT_INTF = 4,
+ DT_ENDP = 5,
+};
+
typedef enum {
GET_STATUS = 0,
CLEAR_FEATURE = 1,
@@ -191,8 +199,8 @@ struct usbdev {
usb_speed speed;
u32 quirks; // quirks field. got to love usb
void *data;
- u8 *descriptor;
- u8 *configuration;
+ device_descriptor_t *descriptor;
+ configuration_descriptor_t *configuration;
void (*init) (usbdev_t *dev);
void (*destroy) (usbdev_t *dev);
void (*poll) (usbdev_t *dev);
@@ -230,12 +238,12 @@ struct usbdev_hc {
u8* (*poll_intr_queue) (void *queue);
void *instance;
- /* set_address(): Tell the usb device its address and
- return it. xHCI controllers want to
- do this by themself. Also, the usbdev
- structure has to be allocated and
- initialized. */
- int (*set_address) (hci_t *controller, usb_speed speed,
+ /* set_address(): Tell the usb device its address (xHCI
+ controllers want to do this by
+ themselves). Also, allocate the usbdev
+ structure, initialize enpoint 0
+ (including MPS) and return it. */
+ usbdev_t *(*set_address) (hci_t *controller, usb_speed speed,
int hubport, int hubaddr);
/* finish_device_config(): Another hook for xHCI,
returns 0 on success. */
@@ -250,12 +258,14 @@ hci_t *usb_add_mmio_hc(hc_type type, void *bar);
hci_t *new_controller (void);
void detach_controller (hci_t *controller);
void usb_poll (void);
-void init_device_entry (hci_t *controller, int num);
+usbdev_t *init_device_entry (hci_t *controller, int num);
int usb_decode_mps0 (usb_speed speed, u8 bMaxPacketSize0);
-void set_feature (usbdev_t *dev, int endp, int feature, int rtype);
-void get_status (usbdev_t *dev, int endp, int rtype, int len, void *data);
-void set_configuration (usbdev_t *dev);
+int set_feature (usbdev_t *dev, int endp, int feature, int rtype);
+int get_status (usbdev_t *dev, int endp, int rtype, int len, void *data);
+int get_descriptor (usbdev_t *dev, int rtype, int descType, int descIdx,
+ void *data, size_t len);
+int set_configuration (usbdev_t *dev);
int clear_feature (usbdev_t *dev, int endp, int feature, int rtype);
int clear_stall (endpoint_t *ep);
@@ -265,9 +275,6 @@ void usb_hid_init (usbdev_t *dev);
void usb_msc_init (usbdev_t *dev);
void usb_generic_init (usbdev_t *dev);
-u8 *get_descriptor (usbdev_t *dev, unsigned char bmRequestType,
- int descType, int descIdx, int langID);
-
static inline unsigned char
gen_bmRequestType (dev_req_dir dir, dev_req_type type, dev_req_recp recp)
{
@@ -275,7 +282,7 @@ gen_bmRequestType (dev_req_dir dir, dev_req_type type, dev_req_recp recp)
}
/* default "set address" handler */
-int generic_set_address (hci_t *controller, usb_speed speed,
+usbdev_t *generic_set_address (hci_t *controller, usb_speed speed,
int hubport, int hubaddr);
void usb_detach_device(hci_t *controller, int devno);