[deliverable/linux.git] / 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;
}

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_ */
Commit	Line	Data
db11e47d SS	1	#ifndef _ISP1760_HCD_H_
	2	#define _ISP1760_HCD_H_
	3
e19c99e7	4	#include <linux/spinlock.h>
10c73f09	5
e19c99e7 LP	6	struct isp1760_qh;
	7	struct isp1760_qtd;
	8	struct resource;
	9	struct usb_hcd;
db11e47d	10
e19c99e7 LP	11	/*
	12	* 60kb divided in:
	13	* - 32 blocks @ 256 bytes
	14	* - 20 blocks @ 1024 bytes
	15	* - 4 blocks @ 8192 bytes
	16	*/
db11e47d	17
e19c99e7 LP	18	#define BLOCK_1_NUM 32
	19	#define BLOCK_2_NUM 20
	20	#define BLOCK_3_NUM 4
db11e47d	21
e19c99e7 LP	22	#define BLOCK_1_SIZE 256
	23	#define BLOCK_2_SIZE 1024
	24	#define BLOCK_3_SIZE 8192
	25	#define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM)
	26	#define MAX_PAYLOAD_SIZE BLOCK_3_SIZE
	27	#define PAYLOAD_AREA_SIZE 0xf000
db11e47d	28
e19c99e7 LP	29	struct isp1760_slotinfo {
	30	struct isp1760_qh *qh;
	31	struct isp1760_qtd *qtd;
	32	unsigned long timestamp;
	33	};
	34
db11e47d	35	/* chip memory management */
ea0b1fab	36	struct isp1760_memory_chunk {
db11e47d SS	37	unsigned int start;
	38	unsigned int size;
	39	unsigned int free;
	40	};
	41
e19c99e7 LP	42	enum isp1760_queue_head_types {
	43	QH_CONTROL,
	44	QH_BULK,
	45	QH_INTERRUPT,
	46	QH_END
	47	};
db11e47d	48
e19c99e7	49	struct isp1760_hcd {
100832ab	50	#ifdef CONFIG_USB_ISP1760_HCD
e19c99e7 LP	51	struct usb_hcd *hcd;
	52
	53	u32 hcs_params;
	54	spinlock_t lock;
	55	struct isp1760_slotinfo atl_slots[32];
	56	int atl_done_map;
	57	struct isp1760_slotinfo int_slots[32];
	58	int int_done_map;
	59	struct isp1760_memory_chunk memory_pool[BLOCKS];
	60	struct list_head qh_list[QH_END];
	61
	62	/* periodic schedule support */
	63	#define DEFAULT_I_TDPS 1024
	64	unsigned periodic_size;
	65	unsigned i_thresh;
	66	unsigned long reset_done;
	67	unsigned long next_statechange;
100832ab	68	#endif
e19c99e7	69	};
db11e47d	70
100832ab	71	#ifdef CONFIG_USB_ISP1760_HCD
4b1a577d LP	72	int isp1760_hcd_register(struct isp1760_hcd priv, void __iomem regs,
4b1a577d LP	73	struct resource *mem, int irq, unsigned long irqflags,
5171446a	74	struct device *dev);
4b1a577d	75	void isp1760_hcd_unregister(struct isp1760_hcd *priv);
db11e47d	76
e19c99e7 LP	77	int isp1760_init_kmem_once(void);
e19c99e7 LP	78	void isp1760_deinit_kmem_cache(void);
100832ab LP	79	#else
	80	static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
	81	void __iomem regs, struct resource mem,
	82	int irq, unsigned long irqflags,
	83	struct device *dev)
	84	{
	85	return 0;
	86	}
	87
	88	static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
	89	{
	90	}
	91
	92	static inline int isp1760_init_kmem_once(void)
	93	{
	94	return 0;
	95	}
	96
	97	static inline void isp1760_deinit_kmem_cache(void)
	98	{
	99	}
	100	#endif
db11e47d	101
71a9f9d2	102	#endif /* _ISP1760_HCD_H_ */