summaryrefslogtreecommitdiff
path: root/drivers/staging/gdm724x/gdm_mux.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/gdm724x/gdm_mux.h')
-rw-r--r--drivers/staging/gdm724x/gdm_mux.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/gdm724x/gdm_mux.h b/drivers/staging/gdm724x/gdm_mux.h
new file mode 100644
index 000000000000..0163b243d3e0
--- /dev/null
+++ b/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 {
+ unsigned int start_flag;
+ unsigned int seq_num;
+ unsigned int payload_size;
+ unsigned short 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_ */