X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fuhci-hcd.h;h=c87ceaa178b67470b3594b6061e975978358bdac;hb=c433472658b4df11bd3590a59be79194a1ff43ae;hp=4a69c7eb09bd015c8ae0726f24b64a7de54d5dbf;hpb=ca94f26d2b2ee8ad76be617b35f846444fedc07b;p=pandora-kernel.git

diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h
index 4a69c7eb09bd..c87ceaa178b6 100644
--- a/drivers/usb/host/uhci-hcd.h
+++ b/drivers/usb/host/uhci-hcd.h
@@ -84,6 +84,13 @@
 #define CAN_SCHEDULE_FRAMES	1000	/* how far in the future frames
 					 * can be scheduled */
 
+/* When no queues need Full-Speed Bandwidth Reclamation,
+ * delay this long before turning FSBR off */
+#define FSBR_OFF_DELAY		msecs_to_jiffies(400)
+
+/* If a queue hasn't advanced after this much time, assume it is stuck */
+#define QH_WAIT_TIMEOUT		msecs_to_jiffies(200)
+
 
 /*
  *	Queue Headers
@@ -129,13 +136,17 @@ struct uhci_qh {
 	struct list_head queue;		/* Queue of urbps for this QH */
 	struct uhci_qh *skel;		/* Skeleton for this QH */
 	struct uhci_td *dummy_td;	/* Dummy TD to end the queue */
+	struct uhci_td *post_td;	/* Last TD completed */
 
+	unsigned long advance_jiffies;	/* Time of last queue advance */
 	unsigned int unlink_frame;	/* When the QH was unlinked */
 	int state;			/* QH_STATE_xxx; see above */
+	int type;			/* Queue type (control, bulk, etc) */
 
 	unsigned int initial_toggle:1;	/* Endpoint's current toggle value */
 	unsigned int needs_fixup:1;	/* Must fix the TD toggle values */
-	unsigned int is_stopped:1;	/* Queue was stopped by an error */
+	unsigned int is_stopped:1;	/* Queue was stopped by error/unlink */
+	unsigned int wait_expired:1;	/* QH_WAIT_TIMEOUT has expired */
 } __attribute__((aligned(16)));
 
 /*
@@ -226,7 +237,6 @@ struct uhci_td {
 	dma_addr_t dma_handle;
 
 	struct list_head list;
-	struct list_head remove_list;
 
 	int frame;			/* for iso: what frame? */
 	struct list_head fl_list;
@@ -396,8 +406,7 @@ struct uhci_hcd {
 	__le32 *frame;
 	void **frame_cpu;		/* CPU's frame list */
 
-	int fsbr;			/* Full-speed bandwidth reclamation */
-	unsigned long fsbrtimeout;	/* FSBR delay */
+	unsigned long fsbr_jiffies;	/* Time when FSBR was last wanted */
 
 	enum uhci_rh_state rh_state;
 	unsigned long auto_stop_time;		/* When to AUTO_STOP */
@@ -412,17 +421,13 @@ struct uhci_hcd {
 	unsigned int working_RD:1;		/* Suspended root hub doesn't
 						   need to be polled */
 	unsigned int is_initialized:1;		/* Data structure is usable */
+	unsigned int fsbr_is_on:1;		/* FSBR is turned on */
 
 	/* Support for port suspend/resume/reset */
 	unsigned long port_c_suspend;		/* Bit-arrays of ports */
-	unsigned long suspended_ports;
 	unsigned long resuming_ports;
 	unsigned long ports_timeout;		/* Time to stop signalling */
 
-	/* List of TDs that are done, but waiting to be freed (race) */
-	struct list_head td_remove_list;
-	unsigned int td_remove_age;		/* Age in frames */
-
 	struct list_head idle_qh_list;		/* Where the idle QHs live */
 
 	int rh_numports;			/* Number of root-hub ports */
@@ -443,6 +448,9 @@ static inline struct usb_hcd *uhci_to_hcd(struct uhci_hcd *uhci)
 
 #define uhci_dev(u)	(uhci_to_hcd(u)->self.controller)
 
+/* Utility macro for comparing frame numbers */
+#define uhci_frame_before_eq(f1, f2)	(0 <= (int) ((f2) - (f1)))
+
 
 /*
  *	Private per-URB data
@@ -455,9 +463,7 @@ struct urb_priv {
 	struct uhci_qh *qh;		/* QH for this URB */
 	struct list_head td_list;
 
-	unsigned fsbr : 1;		/* URB turned on FSBR */
-	unsigned short_transfer : 1;	/* URB got a short transfer, no
-					 * need to rescan */
+	unsigned fsbr:1;		/* URB wants FSBR */
 };