LXR linux/drivers/usb/isp1760/isp1760-hcd.h

   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