105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ISP1760_HCD_H_
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#define _ISP1760_HCD_H_
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#include <linux/spinlock.h>
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#include <linux/regmap.h>
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#include "isp1760-regs.h"
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struct isp1760_qh;
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struct isp1760_qtd;
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struct resource;
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struct usb_hcd;
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struct isp1760_slotinfo {
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struct isp1760_qh *qh;
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struct isp1760_qtd *qtd;
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unsigned long timestamp;
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};
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/* chip memory management */
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#define ISP176x_BLOCK_MAX (32 + 20 + 4)
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#define ISP176x_BLOCK_NUM 3
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struct isp1760_memory_layout {
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unsigned int blocks[ISP176x_BLOCK_NUM];
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unsigned int blocks_size[ISP176x_BLOCK_NUM];
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unsigned int slot_num;
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unsigned int payload_blocks;
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unsigned int payload_area_size;
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};
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struct isp1760_memory_chunk {
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unsigned int start;
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unsigned int size;
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unsigned int free;
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};
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enum isp1760_queue_head_types {
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QH_CONTROL,
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QH_BULK,
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QH_INTERRUPT,
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QH_END
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};
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struct isp1760_hcd {
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struct usb_hcd *hcd;
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void __iomem *base;
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struct regmap *regs;
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struct regmap_field *fields[HC_FIELD_MAX];
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bool is_isp1763;
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const struct isp1760_memory_layout *memory_layout;
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spinlock_t lock;
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struct isp1760_slotinfo *atl_slots;
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int atl_done_map;
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struct isp1760_slotinfo *int_slots;
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int int_done_map;
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struct isp1760_memory_chunk memory_pool[ISP176x_BLOCK_MAX];
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struct list_head qh_list[QH_END];
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/* periodic schedule support */
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#define DEFAULT_I_TDPS 1024
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unsigned periodic_size;
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unsigned i_thresh;
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unsigned long reset_done;
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unsigned long next_statechange;
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};
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#ifdef CONFIG_USB_ISP1760_HCD
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int isp1760_hcd_register(struct isp1760_hcd *priv, struct resource *mem,
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int irq, unsigned long irqflags, struct device *dev);
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void isp1760_hcd_unregister(struct isp1760_hcd *priv);
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int isp1760_init_kmem_once(void);
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void isp1760_deinit_kmem_cache(void);
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#else
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static inline int isp1760_hcd_register(struct isp1760_hcd *priv,
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struct resource *mem,
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int irq, unsigned long irqflags,
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struct device *dev)
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{
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return 0;
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}
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static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv)
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{
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}
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static inline int isp1760_init_kmem_once(void)
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{
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return 0;
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}
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static inline void isp1760_deinit_kmem_cache(void)
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{
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}
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#endif
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#endif /* _ISP1760_HCD_H_ */
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