diff options
| author | Rui Miguel Silva <rui.silva@linaro.org> | 2021-05-13 11:47:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-21 21:05:32 +0300 |
| commit | a74f639c5b5618e2c9f311c93bc3e7405de8ca85 (patch) | |
| tree | 6f8408471c5f51487e802bdec68485b5729e6c78 /drivers/usb/isp1760/isp1760-hcd.h | |
| parent | f9a88370e6751c68a8f0d1c3f23100ca20596249 (diff) | |
| download | linux-a74f639c5b5618e2c9f311c93bc3e7405de8ca85.tar.xz | |
usb: isp1760: hcd: refactor mempool config and setup
In preparation to support other family member IP, which may have
different memory layout. Drop macros and setup a configuration
struct.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210513084717.2487366-6-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/isp1760/isp1760-hcd.h')
| -rw-r--r-- | drivers/usb/isp1760/isp1760-hcd.h | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/usb/isp1760/isp1760-hcd.h b/drivers/usb/isp1760/isp1760-hcd.h index 34e1899e52c4..9d2427ce3f1a 100644 --- a/drivers/usb/isp1760/isp1760-hcd.h +++ b/drivers/usb/isp1760/isp1760-hcd.h @@ -12,24 +12,6 @@ struct isp1760_qtd; struct resource; struct usb_hcd; -/* - * 60kb divided in: - * - 32 blocks @ 256 bytes - * - 20 blocks @ 1024 bytes - * - 4 blocks @ 8192 bytes - */ - -#define BLOCK_1_NUM 32 -#define BLOCK_2_NUM 20 -#define BLOCK_3_NUM 4 - -#define BLOCK_1_SIZE 256 -#define BLOCK_2_SIZE 1024 -#define BLOCK_3_SIZE 8192 -#define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM) -#define MAX_PAYLOAD_SIZE BLOCK_3_SIZE -#define PAYLOAD_AREA_SIZE 0xf000 - struct isp1760_slotinfo { struct isp1760_qh *qh; struct isp1760_qtd *qtd; @@ -37,6 +19,17 @@ struct isp1760_slotinfo { }; /* chip memory management */ +#define ISP176x_BLOCK_NUM 3 + +struct isp1760_memory_layout { + unsigned int blocks[ISP176x_BLOCK_NUM]; + unsigned int blocks_size[ISP176x_BLOCK_NUM]; + + unsigned int ptd_num; + unsigned int payload_blocks; + unsigned int payload_area_size; +}; + struct isp1760_memory_chunk { unsigned int start; unsigned int size; @@ -58,12 +51,14 @@ struct isp1760_hcd { struct regmap *regs; struct regmap_field *fields[HC_FIELD_MAX]; + const struct isp1760_memory_layout *memory_layout; + spinlock_t lock; - struct isp1760_slotinfo atl_slots[32]; + struct isp1760_slotinfo *atl_slots; int atl_done_map; - struct isp1760_slotinfo int_slots[32]; + struct isp1760_slotinfo *int_slots; int int_done_map; - struct isp1760_memory_chunk memory_pool[BLOCKS]; + struct isp1760_memory_chunk *memory_pool; struct list_head qh_list[QH_END]; /* periodic schedule support */ |