| Rui Miguel Silva | 88861a2 | 2022-06-29 11:06:15 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ISP1760_HCD_H_ |
| 3 | #define _ISP1760_HCD_H_ |
| 4 | |
| 5 | #include <regmap.h> |
| 6 | |
| 7 | #include "isp1760-regs.h" |
| 8 | |
| 9 | struct isp1760_qh; |
| 10 | struct isp1760_qtd; |
| 11 | struct resource; |
| 12 | struct usb_hcd; |
| 13 | |
| 14 | struct isp1760_slotinfo { |
| 15 | struct isp1760_qh *qh; |
| 16 | struct isp1760_qtd *qtd; |
| 17 | unsigned long timestamp; |
| 18 | }; |
| 19 | |
| 20 | /* chip memory management */ |
| 21 | #define ISP176x_BLOCK_MAX (32 + 20 + 4) |
| 22 | #define ISP176x_BLOCK_NUM 3 |
| 23 | |
| 24 | struct isp1760_memory_layout { |
| 25 | unsigned int blocks[ISP176x_BLOCK_NUM]; |
| 26 | unsigned int blocks_size[ISP176x_BLOCK_NUM]; |
| 27 | |
| 28 | unsigned int slot_num; |
| 29 | unsigned int payload_blocks; |
| 30 | unsigned int payload_area_size; |
| 31 | }; |
| 32 | |
| 33 | struct isp1760_memory_chunk { |
| 34 | unsigned int start; |
| 35 | unsigned int size; |
| 36 | unsigned int free; |
| 37 | }; |
| 38 | |
| 39 | enum isp1760_queue_head_types { |
| 40 | QH_CONTROL, |
| 41 | QH_BULK, |
| 42 | QH_INTERRUPT, |
| 43 | QH_END |
| 44 | }; |
| 45 | |
| 46 | struct isp1760_hcd { |
| 47 | struct usb_hcd *hcd; |
| 48 | struct udevice *dev; |
| 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 | struct isp1760_slotinfo *atl_slots; |
| 59 | int atl_done_map; |
| 60 | struct isp1760_slotinfo *int_slots; |
| 61 | int int_done_map; |
| 62 | struct isp1760_memory_chunk memory_pool[ISP176x_BLOCK_MAX]; |
| 63 | struct list_head qh_list[QH_END]; |
| 64 | |
| 65 | /* periodic schedule support */ |
| 66 | #define DEFAULT_I_TDPS 1024 |
| 67 | unsigned int periodic_size; |
| 68 | unsigned int i_thresh; |
| 69 | unsigned long reset_done; |
| 70 | unsigned long next_statechange; |
| 71 | }; |
| 72 | |
| 73 | int isp1760_hcd_register(struct isp1760_hcd *priv, struct resource *mem, |
| 74 | int irq, unsigned long irqflags, struct udevice *dev); |
| 75 | void isp1760_hcd_unregister(struct isp1760_hcd *priv); |
| 76 | int isp1760_hcd_lowlevel_init(struct isp1760_hcd *priv); |
| 77 | |
| 78 | int isp1760_init_kmem_once(void); |
| 79 | void isp1760_deinit_kmem_cache(void); |
| 80 | |
| 81 | #endif /* _ISP1760_HCD_H_ */ |