diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2016-10-19 10:28:23 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-27 17:02:41 +0200 |
| commit | df2069acb00569a6299d6e11aa1865eeba463848 (patch) | |
| tree | ea45a04eb548484094a1334443d9a22c71e8ba39 /drivers/usb/mtu3/mtu3_qmu.h | |
| parent | 065d48cf403e421819b706f83a2a65b29be75ad1 (diff) | |
| download | linux-df2069acb00569a6299d6e11aa1865eeba463848.tar.bz2 | |
usb: Add MediaTek USB3 DRD driver
This patch adds support for the MediaTek USB3 controller
integrated into MT8173. It currently supports High-Speed
Peripheral Only mode.
Super-Speed Peripheral, Dual-Role Device and Host Only (xHCI)
modes will be added in the next patchs.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_qmu.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_qmu.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_qmu.h b/drivers/usb/mtu3/mtu3_qmu.h new file mode 100644 index 000000000000..4dafa16bf120 --- /dev/null +++ b/drivers/usb/mtu3/mtu3_qmu.h @@ -0,0 +1,43 @@ +/* + * mtu3_qmu.h - Queue Management Unit driver header + * + * Copyright (C) 2016 MediaTek Inc. + * + * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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 __MTK_QMU_H__ +#define __MTK_QMU_H__ + +#define MAX_GPD_NUM 64 +#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_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); +int mtu3_qmu_init(struct mtu3 *mtu); +void mtu3_qmu_exit(struct mtu3 *mtu); + +#endif |