diff options
Diffstat (limited to 'drivers/usb/dwc3/dbm.h')
| -rw-r--r-- | drivers/usb/dwc3/dbm.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dbm.h b/drivers/usb/dwc3/dbm.h new file mode 100644 index 000000000000..260afc241015 --- /dev/null +++ b/drivers/usb/dwc3/dbm.h @@ -0,0 +1,74 @@ +/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DBM_H +#define __DBM_H + +#include <linux/device.h> +#include <linux/types.h> + +/** + * USB DBM Hardware registers bitmask. + * + */ +/* DBM_EP_CFG */ +#define DBM_EN_EP 0x00000001 +#define USB3_EPNUM 0x0000003E +#define DBM_BAM_PIPE_NUM 0x000000C0 +#define DBM_PRODUCER 0x00000100 +#define DBM_DISABLE_WB 0x00000200 +#define DBM_INT_RAM_ACC 0x00000400 + +/* DBM_DATA_FIFO_SIZE */ +#define DBM_DATA_FIFO_SIZE_MASK 0x0000ffff + +/* DBM_GEVNTSIZ */ +#define DBM_GEVNTSIZ_MASK 0x0000ffff + +/* DBM_DBG_CNFG */ +#define DBM_ENABLE_IOC_MASK 0x0000000f + +/* DBM_SOFT_RESET */ +#define DBM_SFT_RST_EP0 0x00000001 +#define DBM_SFT_RST_EP1 0x00000002 +#define DBM_SFT_RST_EP2 0x00000004 +#define DBM_SFT_RST_EP3 0x00000008 +#define DBM_SFT_RST_EPS_MASK 0x0000000F +#define DBM_SFT_RST_MASK 0x80000000 +#define DBM_EN_MASK 0x00000002 + +/* DBM TRB configurations */ +#define DBM_TRB_BIT 0x80000000 +#define DBM_TRB_DATA_SRC 0x40000000 +#define DBM_TRB_DMA 0x20000000 +#define DBM_TRB_EP_NUM(ep) (ep<<24) + +struct dbm; + +struct dbm *usb_get_dbm_by_phandle(struct device *dev, const char *phandle); + +int dbm_soft_reset(struct dbm *dbm, bool enter_reset); +int dbm_ep_config(struct dbm *dbm, u8 usb_ep, u8 bam_pipe, bool producer, + bool disable_wb, bool internal_mem, bool ioc); +int dbm_ep_unconfig(struct dbm *dbm, u8 usb_ep); +int dbm_get_num_of_eps_configured(struct dbm *dbm); +int dbm_event_buffer_config(struct dbm *dbm, u32 addr_lo, u32 addr_hi, + int size); +int dbm_data_fifo_config(struct dbm *dbm, u8 dep_num, phys_addr_t addr, + u32 size, u8 dst_pipe_idx); +void dbm_set_speed(struct dbm *dbm, bool speed); +void dbm_enable(struct dbm *dbm); +int dbm_ep_soft_reset(struct dbm *dbm, u8 usb_ep, bool enter_reset); +bool dbm_reset_ep_after_lpm(struct dbm *dbm); +bool dbm_l1_lpm_interrupt(struct dbm *dbm); + +#endif /* __DBM_H */ |