patch-2.3.99-pre3 linux/drivers/usb/usb-ohci.h

• Lines: 199
• Date: Tue Mar 21 12:37:01 2000
• Orig file: v2.3.99-pre2/linux/drivers/usb/usb-ohci.h
• Orig date: Fri Jan 28 15:09:08 2000

diff -u --recursive --new-file v2.3.99-pre2/linux/drivers/usb/usb-ohci.h linux/drivers/usb/usb-ohci.h
@@ -212,31 +212,53 @@
 	} roothub;
 } __attribute((aligned(32)));
 
+
+/* OHCI CONTROL AND STATUS REGISTER MASKS */
+
 /*
- * cmdstatus register */
-#define OHCI_CLF  0x02
-#define OHCI_BLF  0x04
+ * HcControl (control) register masks
+ */
+#define OHCI_CTRL_CBSR	(3 << 0)	/* control/bulk service ratio */
+#define OHCI_CTRL_PLE	(1 << 2)	/* periodic list enable */
+#define OHCI_CTRL_IE	(1 << 3)	/* isochronous enable */
+#define OHCI_CTRL_CLE	(1 << 4)	/* control list enable */
+#define OHCI_CTRL_BLE	(1 << 5)	/* bulk list enable */
+#define OHCI_CTRL_HCFS	(3 << 6)	/* host controller functional state */
+#define OHCI_CTRL_IR	(1 << 8)	/* interrupt routing */
+#define OHCI_CTRL_RWC	(1 << 9)	/* remote wakeup connected */
+#define OHCI_CTRL_RWE	(1 << 10)	/* remote wakeup enable */
+
+/* pre-shifted values for HCFS */
+#	define OHCI_USB_RESET	(0 << 6)
+#	define OHCI_USB_RESUME	(1 << 6)
+#	define OHCI_USB_OPER	(2 << 6)
+#	define OHCI_USB_SUSPEND	(3 << 6)
 
 /*
- * Interrupt register masks
+ * HcCommandStatus (cmdstatus) register masks
  */
-#define OHCI_INTR_SO	(1)
-#define OHCI_INTR_WDH	(1 << 1)
-#define OHCI_INTR_SF	(1 << 2)
-#define OHCI_INTR_RD	(1 << 3)
-#define OHCI_INTR_UE	(1 << 4)
-#define OHCI_INTR_FNO	(1 << 5)
-#define OHCI_INTR_RHSC	(1 << 6)
-#define OHCI_INTR_OC	(1 << 30)
-#define OHCI_INTR_MIE	(1 << 31)
+#define OHCI_HCR	(1 << 0)	/* host controller reset */
+#define OHCI_CLF  	(1 << 1)	/* control list filled */
+#define OHCI_BLF  	(1 << 2)	/* bulk list filled */
+#define OHCI_OCR  	(1 << 3)	/* ownership change request */
+#define OHCI_SOC  	(3 << 16)	/* scheduling overrun count */
 
 /*
- * Control register masks
+ * masks used with interrupt registers:
+ * HcInterruptStatus (intrstatus)
+ * HcInterruptEnable (intrenable)
+ * HcInterruptDisable (intrdisable)
  */
-#define OHCI_USB_RESET		0
-#define OHCI_USB_RESUME     (1 << 6)
-#define OHCI_USB_OPER		(2 << 6)
-#define OHCI_USB_SUSPEND	(3 << 6)
+#define OHCI_INTR_SO	(1 << 0)	/* scheduling overrun */
+#define OHCI_INTR_WDH	(1 << 1)	/* writeback of done_head */
+#define OHCI_INTR_SF	(1 << 2)	/* start frame */
+#define OHCI_INTR_RD	(1 << 3)	/* resume detect */
+#define OHCI_INTR_UE	(1 << 4)	/* unrecoverable error */
+#define OHCI_INTR_FNO	(1 << 5)	/* frame number overflow */
+#define OHCI_INTR_RHSC	(1 << 6)	/* root hub status change */
+#define OHCI_INTR_OC	(1 << 30)	/* ownership change */
+#define OHCI_INTR_MIE	(1 << 31)	/* master interrupt enable */
+
 
 
 /* Virtual Root HUB */
@@ -248,6 +270,9 @@
 	int interval;
 	struct timer_list rh_int_timer;
 };
+
+
+/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
  
 /* destination of request */
 #define RH_INTERFACE               0x01
@@ -261,8 +286,8 @@
 #define RH_GET_STATUS           0x0080
 #define RH_CLEAR_FEATURE        0x0100
 #define RH_SET_FEATURE          0x0300
-#define RH_SET_ADDRESS			0x0500
-#define RH_GET_DESCRIPTOR		0x0680
+#define RH_SET_ADDRESS		0x0500
+#define RH_GET_DESCRIPTOR	0x0680
 #define RH_SET_DESCRIPTOR       0x0700
 #define RH_GET_CONFIGURATION	0x0880
 #define RH_SET_CONFIGURATION	0x0900
@@ -282,6 +307,7 @@
 #define RH_PORT_RESET              0x04
 #define RH_PORT_POWER              0x08
 #define RH_PORT_LOW_SPEED          0x09
+
 #define RH_C_PORT_CONNECTION       0x10
 #define RH_C_PORT_ENABLE           0x11
 #define RH_C_PORT_SUSPEND          0x12
@@ -298,29 +324,44 @@
 #define RH_ACK                     0x01
 #define RH_REQ_ERR                 -1
 #define RH_NACK                    0x00
- 
-/* Root-Hub Register info */
 
-#define RH_PS_CCS            0x00000001   
-#define RH_PS_PES            0x00000002   
-#define RH_PS_PSS            0x00000004   
-#define RH_PS_POCI           0x00000008   
-#define RH_PS_PRS            0x00000010  
-#define RH_PS_PPS            0x00000100   
-#define RH_PS_LSDA           0x00000200    
-#define RH_PS_CSC            0x00010000 
-#define RH_PS_PESC           0x00020000   
-#define RH_PS_PSSC           0x00040000    
-#define RH_PS_OCIC           0x00080000    
-#define RH_PS_PRSC           0x00100000   
-
-/* Root hub status bits */
-#define RH_HS_LPS	     0x00000001
-#define RH_HS_OCI	     0x00000002
-#define RH_HS_DRWE	     0x00008000
-#define RH_HS_LPSC	     0x00010000
-#define RH_HS_OCIC	     0x00020000
-#define RH_HS_CRWE	     0x80000000
+
+/* OHCI ROOT HUB REGISTER MASKS */
+ 
+/* roothub.portstatus [i] bits */
+#define RH_PS_CCS            0x00000001   	/* current connect status */
+#define RH_PS_PES            0x00000002   	/* port enable status*/
+#define RH_PS_PSS            0x00000004   	/* port suspend status */
+#define RH_PS_POCI           0x00000008   	/* port over current indicator */
+#define RH_PS_PRS            0x00000010  	/* port reset status */
+#define RH_PS_PPS            0x00000100   	/* port power status */
+#define RH_PS_LSDA           0x00000200    	/* low speed device attached */
+#define RH_PS_CSC            0x00010000 	/* connect status change */
+#define RH_PS_PESC           0x00020000   	/* port enable status change */
+#define RH_PS_PSSC           0x00040000    	/* port suspend status change */
+#define RH_PS_OCIC           0x00080000    	/* over current indicator change */
+#define RH_PS_PRSC           0x00100000   	/* port reset status change */
+
+/* roothub.status bits */
+#define RH_HS_LPS	     0x00000001		/* local power status */
+#define RH_HS_OCI	     0x00000002		/* over current indicator */
+#define RH_HS_DRWE	     0x00008000		/* device remote wakeup enable */
+#define RH_HS_LPSC	     0x00010000		/* local power status change */
+#define RH_HS_OCIC	     0x00020000		/* over current indicator change */
+#define RH_HS_CRWE	     0x80000000		/* clear remote wakeup enable */
+
+/* roothub.b masks */
+#define RH_B_DR		0x0000ffff		/* device removable flags */
+#define RH_B_PPCM	0xffff0000		/* port power control mask */
+
+/* roothub.a masks */
+#define	RH_A_NDP	(0xff << 0)		/* number of downstream ports */
+#define	RH_A_PSM	(1 << 8)		/* power switching mode */
+#define	RH_A_NPS	(1 << 9)		/* no power switching */
+#define	RH_A_DT		(1 << 10)		/* device type (mbz) */
+#define	RH_A_OCPM	(1 << 11)		/* over current protection mode */
+#define	RH_A_NOCP	(1 << 12)		/* no over current protection */
+#define	RH_A_POTPGT	(0xff << 24)		/* power on to power good time */
 
 #define min(a,b) (((a)<(b))?(a):(b))  
  
@@ -347,23 +388,25 @@
 
 
 typedef struct ohci {
-	struct ohci_hcca hcca;					/* hcca */                
+	struct ohci_hcca hcca;		/* hcca */
 
 	int irq;
-	struct ohci_regs * regs;					/* OHCI controller's memory */	
-    struct list_head ohci_hcd_list;         /* list of all ohci_hcd */           
+	int disabled;			/* e.g. got a UE, we're hung */
+
+	struct ohci_regs * regs;	/* OHCI controller's memory */
+	struct list_head ohci_hcd_list;	/* list of all ohci_hcd */
 
 	struct ohci * next; 		// chain of uhci device contexts
 	struct list_head urb_list; 	// list of all pending urbs
 	spinlock_t urb_list_lock; 	// lock to keep consistency 
   
-	int ohci_int_load[32];                  /* load of the 32 Interrupt Chains (for load ballancing)*/     
+	int ohci_int_load[32];		/* load of the 32 Interrupt Chains (for load balancing)*/
 	ed_t * ed_rm_list[2];     /* lists of all endpoints to be removed */
 	ed_t * ed_bulktail;       /* last endpoint of bulk list */
 	ed_t * ed_controltail;    /* last endpoint of control list */
  	ed_t * ed_isotail;        /* last endpoint of iso list */
 	int intrstatus;
-	__u32 hc_control;						/* copy of the hc control reg */  
+	__u32 hc_control;		/* copy of the hc control reg */
 	struct usb_bus * bus;    
 	struct usb_device * dev[128];
 	struct virt_root_hub rh;