libftdi: (tomj) userspace URB processing (I'm hardcore...)

[libftdi] / ftdi / ftdi.h

diff --git a/ftdi/ftdi.h b/ftdi/ftdi.h
index 6fa8a60..50bf454 100644 (file)
--- a/ftdi/ftdi.h
+++ b/ftdi/ftdi.h
@@ -17,15 +17,40 @@
 #ifndef __libftdi_h__
 #define __libftdi_h__
 
+/* libusb header */
 #include <usb.h>
 
+/* Kernel USB headers */
+#include <linux/usb.h>
+#include <linux/usbdevice_fs.h>
+
+/* Keep this in sync with libusb */
+struct usb_dev_handle {
+  int fd;
+
+  struct usb_bus *bus;
+  struct usb_device *device;
+
+  int config;
+  int interface;
+  int altsetting;
+
+  /* Added by RMT so implementations can store other per-open-device data */
+  void *impl_info;
+};
+
+
+enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 };
+
 struct ftdi_context {
     // USB specific
     struct usb_dev_handle *usb_dev;
     int usb_read_timeout;
     int usb_write_timeout;
+    struct usbdevfs_urb *urb;
 
     // FTDI specific
+    enum ftdi_chip_type type;
     int baudrate;
     unsigned char bitbang_enabled;
     unsigned char *readbuffer;
@@ -40,8 +65,9 @@ struct ftdi_context {
     // Endpoints
     int in_ep;
     int out_ep;      // 1 or 2
-
-    int reading;     // 0 or 1 - for performance increase in SPI mode
+    
+    /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
+    unsigned char bitbang_mode;
 
     // misc
     char *error_str;
@@ -98,12 +124,12 @@ extern "C" {
     int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency);
     int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency);
 
-    // init and build eeprom from ftdi_eeprom structure
+    /* init and build eeprom from ftdi_eeprom structure */
     void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom);
     int  ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output);
 
-    // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
-    // the checksum of the eeprom is valided
+    /* "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
+       the checksum of the eeprom is valided */
     int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
     int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
     int ftdi_erase_eeprom(struct ftdi_context *ftdi);