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103 lines
2.1 KiB
103 lines
2.1 KiB
/* 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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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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/* |
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* 60kb divided in: |
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* - 32 blocks @ 256 bytes |
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* - 20 blocks @ 1024 bytes |
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* - 4 blocks @ 8192 bytes |
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*/ |
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#define BLOCK_1_NUM 32 |
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#define BLOCK_2_NUM 20 |
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#define BLOCK_3_NUM 4 |
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#define BLOCK_1_SIZE 256 |
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#define BLOCK_2_SIZE 1024 |
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#define BLOCK_3_SIZE 8192 |
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#define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM) |
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#define MAX_PAYLOAD_SIZE BLOCK_3_SIZE |
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#define PAYLOAD_AREA_SIZE 0xf000 |
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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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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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#ifdef CONFIG_USB_ISP1760_HCD |
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struct usb_hcd *hcd; |
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u32 hcs_params; |
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spinlock_t lock; |
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struct isp1760_slotinfo atl_slots[32]; |
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int atl_done_map; |
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struct isp1760_slotinfo int_slots[32]; |
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int int_done_map; |
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struct isp1760_memory_chunk memory_pool[BLOCKS]; |
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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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#endif |
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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, void __iomem *regs, |
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struct resource *mem, int irq, unsigned long irqflags, |
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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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void __iomem *regs, 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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