cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

isp1760-hcd.h (2162B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ISP1760_HCD_H_
      3#define _ISP1760_HCD_H_
      4
      5#include <linux/spinlock.h>
      6#include <linux/regmap.h>
      7
      8#include "isp1760-regs.h"
      9
     10struct isp1760_qh;
     11struct isp1760_qtd;
     12struct resource;
     13struct usb_hcd;
     14
     15struct isp1760_slotinfo {
     16	struct isp1760_qh *qh;
     17	struct isp1760_qtd *qtd;
     18	unsigned long timestamp;
     19};
     20
     21/* chip memory management */
     22#define ISP176x_BLOCK_MAX (32 + 20 + 4)
     23#define ISP176x_BLOCK_NUM 3
     24
     25struct isp1760_memory_layout {
     26	unsigned int blocks[ISP176x_BLOCK_NUM];
     27	unsigned int blocks_size[ISP176x_BLOCK_NUM];
     28
     29	unsigned int slot_num;
     30	unsigned int payload_blocks;
     31	unsigned int payload_area_size;
     32};
     33
     34struct isp1760_memory_chunk {
     35	unsigned int start;
     36	unsigned int size;
     37	unsigned int free;
     38};
     39
     40enum isp1760_queue_head_types {
     41	QH_CONTROL,
     42	QH_BULK,
     43	QH_INTERRUPT,
     44	QH_END
     45};
     46
     47struct isp1760_hcd {
     48	struct usb_hcd		*hcd;
     49
     50	void __iomem		*base;
     51
     52	struct regmap		*regs;
     53	struct regmap_field	*fields[HC_FIELD_MAX];
     54
     55	bool			is_isp1763;
     56	const struct isp1760_memory_layout	*memory_layout;
     57
     58	spinlock_t		lock;
     59	struct isp1760_slotinfo	*atl_slots;
     60	int			atl_done_map;
     61	struct isp1760_slotinfo	*int_slots;
     62	int			int_done_map;
     63	struct isp1760_memory_chunk memory_pool[ISP176x_BLOCK_MAX];
     64	struct list_head	qh_list[QH_END];
     65
     66	/* periodic schedule support */
     67#define	DEFAULT_I_TDPS		1024
     68	unsigned		periodic_size;
     69	unsigned		i_thresh;
     70	unsigned long		reset_done;
     71	unsigned long		next_statechange;
     72};
     73
     74#ifdef CONFIG_USB_ISP1760_HCD
     75int isp1760_hcd_register(struct isp1760_hcd *priv, struct resource *mem,
     76			 int irq, unsigned long irqflags, struct device *dev);
     77void isp1760_hcd_unregister(struct isp1760_hcd *priv);
     78
     79int isp1760_init_kmem_once(void);
     80void isp1760_deinit_kmem_cache(void);
     81#else
     82static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
     83				       struct resource *mem,
     84				       int irq, unsigned long irqflags,
     85				       struct device *dev)
     86{
     87	return 0;
     88}
     89
     90static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
     91{
     92}
     93
     94static inline int isp1760_init_kmem_once(void)
     95{
     96	return 0;
     97}
     98
     99static inline void isp1760_deinit_kmem_cache(void)
    100{
    101}
    102#endif
    103
    104#endif /* _ISP1760_HCD_H_ */