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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_ */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ISP1760_HCD_H_
3#define _ISP1760_HCD_H_
4
5#include <linux/spinlock.h>
6
7struct isp1760_qh;
8struct isp1760_qtd;
9struct resource;
10struct usb_hcd;
11
12/*
13 * 60kb divided in:
14 * - 32 blocks @ 256 bytes
15 * - 20 blocks @ 1024 bytes
16 * - 4 blocks @ 8192 bytes
17 */
18
19#define BLOCK_1_NUM 32
20#define BLOCK_2_NUM 20
21#define BLOCK_3_NUM 4
22
23#define BLOCK_1_SIZE 256
24#define BLOCK_2_SIZE 1024
25#define BLOCK_3_SIZE 8192
26#define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM)
27#define MAX_PAYLOAD_SIZE BLOCK_3_SIZE
28#define PAYLOAD_AREA_SIZE 0xf000
29
30struct isp1760_slotinfo {
31 struct isp1760_qh *qh;
32 struct isp1760_qtd *qtd;
33 unsigned long timestamp;
34};
35
36/* chip memory management */
37struct isp1760_memory_chunk {
38 unsigned int start;
39 unsigned int size;
40 unsigned int free;
41};
42
43enum isp1760_queue_head_types {
44 QH_CONTROL,
45 QH_BULK,
46 QH_INTERRUPT,
47 QH_END
48};
49
50struct isp1760_hcd {
51#ifdef CONFIG_USB_ISP1760_HCD
52 struct usb_hcd *hcd;
53
54 u32 hcs_params;
55 spinlock_t lock;
56 struct isp1760_slotinfo atl_slots[32];
57 int atl_done_map;
58 struct isp1760_slotinfo int_slots[32];
59 int int_done_map;
60 struct isp1760_memory_chunk memory_pool[BLOCKS];
61 struct list_head qh_list[QH_END];
62
63 /* periodic schedule support */
64#define DEFAULT_I_TDPS 1024
65 unsigned periodic_size;
66 unsigned i_thresh;
67 unsigned long reset_done;
68 unsigned long next_statechange;
69#endif
70};
71
72#ifdef CONFIG_USB_ISP1760_HCD
73int isp1760_hcd_register(struct isp1760_hcd *priv, void __iomem *regs,
74 struct resource *mem, int irq, unsigned long irqflags,
75 struct device *dev);
76void isp1760_hcd_unregister(struct isp1760_hcd *priv);
77
78int isp1760_init_kmem_once(void);
79void isp1760_deinit_kmem_cache(void);
80#else
81static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
82 void __iomem *regs, struct resource *mem,
83 int irq, unsigned long irqflags,
84 struct device *dev)
85{
86 return 0;
87}
88
89static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
90{
91}
92
93static inline int isp1760_init_kmem_once(void)
94{
95 return 0;
96}
97
98static inline void isp1760_deinit_kmem_cache(void)
99{
100}
101#endif
102
103#endif /* _ISP1760_HCD_H_ */