diff options
Diffstat (limited to 'drivers/usb/mtu3/mtu3_qmu.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_qmu.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_qmu.h b/drivers/usb/mtu3/mtu3_qmu.h new file mode 100644 index 0000000000..ba8a3aa309 --- /dev/null +++ b/drivers/usb/mtu3/mtu3_qmu.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * mtu3_qmu.h - Queue Management Unit driver header + * + * Copyright (C) 2016 MediaTek Inc. + * + * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> + */ + +#ifndef __MTK_QMU_H__ +#define __MTK_QMU_H__ + +#define MAX_GPD_NUM 16 +#define QMU_GPD_SIZE (sizeof(struct qmu_gpd)) +#define QMU_GPD_RING_SIZE (MAX_GPD_NUM * QMU_GPD_SIZE) + +#define GPD_BUF_SIZE 65532 + +void mtu3_flush_cache(uintptr_t addr, u32 len); +void mtu3_inval_cache(uintptr_t addr, u32 len); + +void mtu3_qmu_stop(struct mtu3_ep *mep); +int mtu3_qmu_start(struct mtu3_ep *mep); +void mtu3_qmu_resume(struct mtu3_ep *mep); +void mtu3_qmu_flush(struct mtu3_ep *mep); + +void mtu3_insert_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq); +int mtu3_prepare_transfer(struct mtu3_ep *mep); + +int mtu3_gpd_ring_alloc(struct mtu3_ep *mep); +void mtu3_gpd_ring_free(struct mtu3_ep *mep); + +irqreturn_t mtu3_qmu_isr(struct mtu3 *mtu); +void mtu3_qmu_init(struct mtu3 *mtu); +void mtu3_qmu_exit(struct mtu3 *mtu); + +#endif |