blob: ee3063a34de3bccf929e8406c2fc7bae93868a5c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ISP1760_HCD_H_
#define _ISP1760_HCD_H_
#include <linux/spinlock.h>
#include <linux/regmap.h>
#include "isp1760-regs.h"
struct isp1760_qh;
struct isp1760_qtd;
struct resource;
struct usb_hcd;
struct isp1760_slotinfo {
struct isp1760_qh *qh;
struct isp1760_qtd *qtd;
unsigned long timestamp;
};
/* chip memory management */
#define ISP176x_BLOCK_MAX (32 + 20 + 4)
#define ISP176x_BLOCK_NUM 3
struct isp1760_memory_layout {
unsigned int blocks[ISP176x_BLOCK_NUM];
unsigned int blocks_size[ISP176x_BLOCK_NUM];
unsigned int slot_num;
unsigned int payload_blocks;
unsigned int payload_area_size;
};
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 {
struct usb_hcd *hcd;
void __iomem *base;
struct regmap *regs;
struct regmap_field *fields[HC_FIELD_MAX];
bool is_isp1763;
const struct isp1760_memory_layout *memory_layout;
spinlock_t lock;
struct isp1760_slotinfo *atl_slots;
int atl_done_map;
struct isp1760_slotinfo *int_slots;
int int_done_map;
struct isp1760_memory_chunk memory_pool[ISP176x_BLOCK_MAX];
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;
};
#ifdef CONFIG_USB_ISP1760_HCD
int isp1760_hcd_register(struct isp1760_hcd *priv, 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,
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_ */
|
