1#ifndef _ISP1760_HCD_H_
2#define _ISP1760_HCD_H_
3
4#include <linux/spinlock.h>
5
6struct isp1760_qh;
7struct isp1760_qtd;
8struct resource;
9struct usb_hcd;
10
11/*
12 * 60kb divided in:
13 * - 32 blocks @ 256  bytes
14 * - 20 blocks @ 1024 bytes
15 * -  4 blocks @ 8192 bytes
16 */
17
18#define BLOCK_1_NUM 32
19#define BLOCK_2_NUM 20
20#define BLOCK_3_NUM 4
21
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
28
29struct isp1760_slotinfo {
30	struct isp1760_qh *qh;
31	struct isp1760_qtd *qtd;
32	unsigned long timestamp;
33};
34
35/* chip memory management */
36struct isp1760_memory_chunk {
37	unsigned int start;
38	unsigned int size;
39	unsigned int free;
40};
41
42enum isp1760_queue_head_types {
43	QH_CONTROL,
44	QH_BULK,
45	QH_INTERRUPT,
46	QH_END
47};
48
49struct isp1760_hcd {
50#ifdef CONFIG_USB_ISP1760_HCD
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;
68#endif
69};
70
71#ifdef CONFIG_USB_ISP1760_HCD
72int isp1760_hcd_register(struct isp1760_hcd *priv, void __iomem *regs,
73			 struct resource *mem, int irq, unsigned long irqflags,
74			 struct device *dev);
75void isp1760_hcd_unregister(struct isp1760_hcd *priv);
76
77int isp1760_init_kmem_once(void);
78void isp1760_deinit_kmem_cache(void);
79#else
80static 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
88static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
89{
90}
91
92static inline int isp1760_init_kmem_once(void)
93{
94	return 0;
95}
96
97static inline void isp1760_deinit_kmem_cache(void)
98{
99}
100#endif
101
102#endif /* _ISP1760_HCD_H_ */
103