Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / isp1760 / isp1760-hcd.h

diff --git a/kernel/drivers/usb/isp1760/isp1760-hcd.h b/kernel/drivers/usb/isp1760/isp1760-hcd.h
new file mode 100644 (file)
index 0000000..0c1c98d
--- /dev/null
+++ b/kernel/drivers/usb/isp1760/isp1760-hcd.h
@@ -0,0 +1,102 @@
+#ifndef _ISP1760_HCD_H_
+#define _ISP1760_HCD_H_
+
+#include <linux/spinlock.h>
+
+struct isp1760_qh;
+struct isp1760_qtd;
+struct resource;
+struct usb_hcd;
+
+/*
+ * 60kb divided in:
+ * - 32 blocks @ 256  bytes
+ * - 20 blocks @ 1024 bytes
+ * -  4 blocks @ 8192 bytes
+ */
+
+#define BLOCK_1_NUM 32
+#define BLOCK_2_NUM 20
+#define BLOCK_3_NUM 4
+
+#define BLOCK_1_SIZE 256
+#define BLOCK_2_SIZE 1024
+#define BLOCK_3_SIZE 8192
+#define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM)
+#define MAX_PAYLOAD_SIZE BLOCK_3_SIZE
+#define PAYLOAD_AREA_SIZE 0xf000
+
+struct isp1760_slotinfo {
+       struct isp1760_qh *qh;
+       struct isp1760_qtd *qtd;
+       unsigned long timestamp;
+};
+
+/* chip memory management */
+struct isp1760_memory_chunk {
+       unsigned int start;
+       unsigned int size;
+       unsigned int free;
+};
+
+enum isp1760_queue_head_types {
+       QH_CONTROL,
+       QH_BULK,
+       QH_INTERRUPT,
+       QH_END
+};
+
+struct isp1760_hcd {
+#ifdef CONFIG_USB_ISP1760_HCD
+       struct usb_hcd          *hcd;
+
+       u32 hcs_params;
+       spinlock_t              lock;
+       struct isp1760_slotinfo atl_slots[32];
+       int                     atl_done_map;
+       struct isp1760_slotinfo int_slots[32];
+       int                     int_done_map;
+       struct isp1760_memory_chunk memory_pool[BLOCKS];
+       struct list_head        qh_list[QH_END];
+
+       /* periodic schedule support */
+#define        DEFAULT_I_TDPS          1024
+       unsigned                periodic_size;
+       unsigned                i_thresh;
+       unsigned long           reset_done;
+       unsigned long           next_statechange;
+#endif
+};
+
+#ifdef CONFIG_USB_ISP1760_HCD
+int isp1760_hcd_register(struct isp1760_hcd *priv, void __iomem *regs,
+                        struct resource *mem, int irq, unsigned long irqflags,
+                        struct device *dev);
+void isp1760_hcd_unregister(struct isp1760_hcd *priv);
+
+int isp1760_init_kmem_once(void);
+void isp1760_deinit_kmem_cache(void);
+#else
+static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
+                                      void __iomem *regs, struct resource *mem,
+                                      int irq, unsigned long irqflags,
+                                      struct device *dev)
+{
+       return 0;
+}
+
+static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
+{
+}
+
+static inline int isp1760_init_kmem_once(void)
+{
+       return 0;
+}
+
+static inline void isp1760_deinit_kmem_cache(void)
+{
+}
+#endif
+
+#endif /* _ISP1760_HCD_H_ */