1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ISP1760_HCD_H_
3*4882a593Smuzhiyun #define _ISP1760_HCD_H_
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/spinlock.h>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun struct isp1760_qh;
8*4882a593Smuzhiyun struct isp1760_qtd;
9*4882a593Smuzhiyun struct resource;
10*4882a593Smuzhiyun struct usb_hcd;
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun * 60kb divided in:
14*4882a593Smuzhiyun * - 32 blocks @ 256 bytes
15*4882a593Smuzhiyun * - 20 blocks @ 1024 bytes
16*4882a593Smuzhiyun * - 4 blocks @ 8192 bytes
17*4882a593Smuzhiyun */
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #define BLOCK_1_NUM 32
20*4882a593Smuzhiyun #define BLOCK_2_NUM 20
21*4882a593Smuzhiyun #define BLOCK_3_NUM 4
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #define BLOCK_1_SIZE 256
24*4882a593Smuzhiyun #define BLOCK_2_SIZE 1024
25*4882a593Smuzhiyun #define BLOCK_3_SIZE 8192
26*4882a593Smuzhiyun #define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM)
27*4882a593Smuzhiyun #define MAX_PAYLOAD_SIZE BLOCK_3_SIZE
28*4882a593Smuzhiyun #define PAYLOAD_AREA_SIZE 0xf000
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun struct isp1760_slotinfo {
31*4882a593Smuzhiyun struct isp1760_qh *qh;
32*4882a593Smuzhiyun struct isp1760_qtd *qtd;
33*4882a593Smuzhiyun unsigned long timestamp;
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun /* chip memory management */
37*4882a593Smuzhiyun struct isp1760_memory_chunk {
38*4882a593Smuzhiyun unsigned int start;
39*4882a593Smuzhiyun unsigned int size;
40*4882a593Smuzhiyun unsigned int free;
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun enum isp1760_queue_head_types {
44*4882a593Smuzhiyun QH_CONTROL,
45*4882a593Smuzhiyun QH_BULK,
46*4882a593Smuzhiyun QH_INTERRUPT,
47*4882a593Smuzhiyun QH_END
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun struct isp1760_hcd {
51*4882a593Smuzhiyun #ifdef CONFIG_USB_ISP1760_HCD
52*4882a593Smuzhiyun struct usb_hcd *hcd;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun u32 hcs_params;
55*4882a593Smuzhiyun spinlock_t lock;
56*4882a593Smuzhiyun struct isp1760_slotinfo atl_slots[32];
57*4882a593Smuzhiyun int atl_done_map;
58*4882a593Smuzhiyun struct isp1760_slotinfo int_slots[32];
59*4882a593Smuzhiyun int int_done_map;
60*4882a593Smuzhiyun struct isp1760_memory_chunk memory_pool[BLOCKS];
61*4882a593Smuzhiyun struct list_head qh_list[QH_END];
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun /* periodic schedule support */
64*4882a593Smuzhiyun #define DEFAULT_I_TDPS 1024
65*4882a593Smuzhiyun unsigned periodic_size;
66*4882a593Smuzhiyun unsigned i_thresh;
67*4882a593Smuzhiyun unsigned long reset_done;
68*4882a593Smuzhiyun unsigned long next_statechange;
69*4882a593Smuzhiyun #endif
70*4882a593Smuzhiyun };
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun #ifdef CONFIG_USB_ISP1760_HCD
73*4882a593Smuzhiyun int isp1760_hcd_register(struct isp1760_hcd *priv, void __iomem *regs,
74*4882a593Smuzhiyun struct resource *mem, int irq, unsigned long irqflags,
75*4882a593Smuzhiyun struct device *dev);
76*4882a593Smuzhiyun void isp1760_hcd_unregister(struct isp1760_hcd *priv);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun int isp1760_init_kmem_once(void);
79*4882a593Smuzhiyun void isp1760_deinit_kmem_cache(void);
80*4882a593Smuzhiyun #else
isp1760_hcd_register(struct isp1760_hcd * priv,void __iomem * regs,struct resource * mem,int irq,unsigned long irqflags,struct device * dev)81*4882a593Smuzhiyun static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
82*4882a593Smuzhiyun void __iomem *regs, struct resource *mem,
83*4882a593Smuzhiyun int irq, unsigned long irqflags,
84*4882a593Smuzhiyun struct device *dev)
85*4882a593Smuzhiyun {
86*4882a593Smuzhiyun return 0;
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun
isp1760_hcd_unregister(struct isp1760_hcd * priv)89*4882a593Smuzhiyun static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
90*4882a593Smuzhiyun {
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun
isp1760_init_kmem_once(void)93*4882a593Smuzhiyun static inline int isp1760_init_kmem_once(void)
94*4882a593Smuzhiyun {
95*4882a593Smuzhiyun return 0;
96*4882a593Smuzhiyun }
97*4882a593Smuzhiyun
isp1760_deinit_kmem_cache(void)98*4882a593Smuzhiyun static inline void isp1760_deinit_kmem_cache(void)
99*4882a593Smuzhiyun {
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun #endif
102*4882a593Smuzhiyun
103*4882a593Smuzhiyun #endif /* _ISP1760_HCD_H_ */
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