Release 4.7 drivers/usb/isp1760/isp1760-hcd.h

#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;
}

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static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
{
}

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static inline int isp1760_init_kmem_once(void)
{
	return 0;
}

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static inline void isp1760_deinit_kmem_cache(void)
{
}
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#endif

#endif /* _ISP1760_HCD_H_ */
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Directory: drivers/usb/isp1760

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