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authorGareth McMullin2011-01-30 17:04:56 +1300
committerGareth McMullin2011-01-30 17:04:56 +1300
commitaac65d8560a59105cc02132860b77cfe61835b2e (patch)
treeb65035dbe53137c8a7c8de60f6d198f1248155b6 /lib/usb/usb_private.h
parentc11cdaf2a70a1fadbcf2f942a29b75040b0a0a75 (diff)
Abstracted USB driver interface to to allow driver selection.
Diffstat (limited to 'lib/usb/usb_private.h')
-rw-r--r--lib/usb/usb_private.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/usb/usb_private.h b/lib/usb/usb_private.h
index 6303285..bef225d 100644
--- a/lib/usb/usb_private.h
+++ b/lib/usb/usb_private.h
@@ -53,6 +53,8 @@ extern struct _usbd_device {
/* User callback function for some standard USB function hooks */
void (*user_callback_set_config)(u16 wValue);
+
+ struct _usbd_driver *driver;
} _usbd_device;
enum _usbd_transaction {
@@ -70,8 +72,20 @@ int _usbd_standard_request(struct usb_setup_data *req, u8 **buf, u16 *len);
void _usbd_reset(void);
/* Functions provided by the hardware abstraction. */
-void _usbd_hw_init(void);
-void _usbd_hw_set_address(u8 addr);
-void _usbd_hw_endpoints_reset(void);
+struct _usbd_driver {
+ void (*_init)(void);
+ void (*_set_address)(u8 addr);
+ void (*ep_setup)(u8 addr, u8 type, u16 max_size, void (*cb)(u8 ep));
+ void (*_ep_reset)(void);
+ void (*ep_stall_set)(u8 addr, u8 stall);
+ u8 (*ep_stall_get)(u8 addr);
+ u16 (*ep_write_packet)(u8 addr, const void *buf, u16 len);
+ u16 (*ep_read_packet)(u8 addr, void *buf, u16 len);
+ void (*poll)(void);
+};
+
+#define _usbd_hw_init() _usbd_device.driver->_init()
+#define _usbd_hw_set_address(addr) _usbd_device.driver->_set_address(addr)
+#define _usbd_hw_endpoints_reset() _usbd_device.driver->_ep_reset()
#endif