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60d789f3bf
isp1763 have some differences from the isp1760, 8 bit address for registers and 16 bit for values, no bulk access to memory addresses, 16 PTD's instead of 32. Following the regmap work done before add the registers, memory access and add the functions to support differences in setup sequences. Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> Link: https://lore.kernel.org/r/20210513084717.2487366-8-rui.silva@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
/* 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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