diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/staging/gdm724x/gdm_mux.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/staging/gdm724x/gdm_mux.h')
-rw-r--r-- | kernel/drivers/staging/gdm724x/gdm_mux.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/kernel/drivers/staging/gdm724x/gdm_mux.h b/kernel/drivers/staging/gdm724x/gdm_mux.h new file mode 100644 index 000000000..3d50383c6 --- /dev/null +++ b/kernel/drivers/staging/gdm724x/gdm_mux.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved. + * + * 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 _GDM_MUX_H_ +#define _GDM_MUX_H_ + +#include <linux/types.h> +#include <linux/usb.h> +#include <linux/list.h> + +#include "gdm_tty.h" + +#define PM_NORMAL 0 +#define PM_SUSPEND 1 + +#define USB_RT_ACM (USB_TYPE_CLASS | USB_RECIP_INTERFACE) + +#define START_FLAG 0xA512485A +#define MUX_HEADER_SIZE 14 +#define MUX_TX_MAX_SIZE (1024*10) +#define MUX_RX_MAX_SIZE (1024*30) +#define AT_PKT_TYPE 0xF011 +#define DM_PKT_TYPE 0xF010 + +#define RETRY_TIMER 30 /* msec */ + +struct mux_pkt_header { + __le32 start_flag; + __le32 seq_num; + __le32 payload_size; + __le16 packet_type; + unsigned char data[0]; +}; + +struct mux_tx { + struct urb *urb; + u8 *buf; + int len; + void (*callback)(void *cb_data); + void *cb_data; +}; + +struct mux_rx { + struct list_head free_list; + struct list_head rx_submit_list; + struct list_head to_host_list; + struct urb *urb; + u8 *buf; + void *mux_dev; + u32 offset; + u32 len; + int (*callback)(void *data, + int len, + int tty_index, + struct tty_dev *tty_dev, + int complete); +}; + +struct rx_cxt { + struct list_head to_host_list; + struct list_head rx_submit_list; + struct list_head rx_free_list; + spinlock_t to_host_lock; + spinlock_t submit_list_lock; + spinlock_t free_list_lock; +}; + +struct mux_dev { + struct usb_device *usbdev; + struct usb_interface *control_intf; + struct usb_interface *data_intf; + struct rx_cxt rx; + struct delayed_work work_rx; + struct usb_interface *intf; + int usb_state; + int (*rx_cb)(void *data, + int len, + int tty_index, + struct tty_dev *tty_dev, + int complete); + spinlock_t write_lock; + struct tty_dev *tty_dev; +}; + +#endif /* _GDM_MUX_H_ */ |