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|
From d64205dd2aa4fe344230514afd3e8ac6377960f7 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 17 Aug 2012 16:59:51 -0700
Subject: [PATCH] USB: serial: add zte_ev.c driver
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/serial/Kconfig | 8 +
drivers/usb/serial/Makefile | 1
drivers/usb/serial/zte_ev.c | 315 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 324 insertions(+)
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -660,6 +660,14 @@ config USB_SERIAL_ZIO
To compile this driver as a module, choose M here: the
module will be called zio.
+config USB_SERIAL_ZTE
+ tristate "ZTE USB serial driver"
+ help
+ Say Y here if you want to use a ZTE USB to serial device.
+
+ To compile this driver as a module, choose M here: the
+ module will be called zte.
+
config USB_SERIAL_SSU100
tristate "USB Quatech SSU-100 Single Port Serial Driver"
help
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -63,3 +63,4 @@ obj-$(CONFIG_USB_SERIAL_WHITEHEAT) += w
obj-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda.o
obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL) += vivopay-serial.o
obj-$(CONFIG_USB_SERIAL_ZIO) += zio.o
+obj-$(CONFIG_USB_SERIAL_ZTE) += zte_ev.o
--- /dev/null
+++ b/drivers/usb/serial/zte_ev.c
@@ -0,0 +1,315 @@
+/*
+ * ZTE_EV USB serial driver
+ *
+ * Copyright (C) 2012 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+ * Copyright (C) 2012 Linux Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/uaccess.h>
+
+#define MAX_SETUP_DATA_SIZE 32
+
+static int debug;
+
+static int zte_ev_usb_serial_open(struct tty_struct *tty,
+ struct usb_serial_port *port)
+{
+ struct usb_device *udev = port->serial->dev;
+ struct device *dev = &port->dev;
+ int result = 0;
+ int len;
+ unsigned char *buf;
+
+ if (port->number != 0)
+ return -ENODEV;
+
+ buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ /* send 1st ctl cmd(CTL 21 22 01 00 00 00 00 00) */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0001, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ /* send 2st cmd and recieve data */
+ /*
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 25.1.0(5)
+ * 16.0 DI 00 96 00 00 00 00 08
+ */
+ len = 0x0007;
+ result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ 0x21, 0xa1,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(&port->dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, &port->dev, __func__, len, buf);
+
+ /* send 3 cmd */
+ /*
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 30.1.0
+ * 16.0 DO 80 25 00 00 00 00 08 .%..... 30.2.0
+ */
+ len = 0x0007;
+ buf[0] = 0x80;
+ buf[1] = 0x25;
+ buf[2] = 0x00;
+ buf[3] = 0x00;
+ buf[4] = 0x00;
+ buf[5] = 0x00;
+ buf[6] = 0x08;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x20, 0x21,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 4 cmd */
+ /*
+ * 16.0 CTL 21 22 03 00 00 00 00 00
+ */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0003, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ /* send 5 cmd */
+ /*
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 33.1.0
+ * 16.0 DI 80 25 00 00 00 00 08
+ */
+ len = 0x0007;
+ result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ 0x21, 0xa1,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 6 cmd */
+ /*
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 34.1.0
+ * 16.0 DO 80 25 00 00 00 00 08
+ */
+ len = 0x0007;
+ buf[0] = 0x80;
+ buf[1] = 0x25;
+ buf[2] = 0x00;
+ buf[3] = 0x00;
+ buf[4] = 0x00;
+ buf[5] = 0x00;
+ buf[6] = 0x08;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x20, 0x21,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+ kfree(buf);
+
+ return usb_serial_generic_open(tty, port);
+}
+
+/*
+ * CTL 21 22 02 00 00 00 00 00 CLASS 338.1.0
+ *
+ * 16.1 DI a1 20 00 00 00 00 02 00 02 00 . ........ 340.1.0
+ * 16.0 CTL 21 22 03 00 00 00 00 00 CLASS 341.1.0
+ *
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 346.1.0(3)
+ * 16.0 DI 00 08 07 00 00 00 08 ....... 346.2.0
+ *
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 349.1.0
+ * 16.0 DO 00 c2 01 00 00 00 08 ....... 349.2.0
+ *
+ * 16.0 CTL 21 22 03 00 00 00 00 00 CLASS 350.1.0(2)
+ *
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 352.1.0
+ * 16.0 DI 00 c2 01 00 00 00 08 ....... 352.2.0
+ *
+ * 16.1 DI a1 20 00 00 00 00 02 00 02 00 . ........ 353.1.0
+ *
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 354.1.0
+ * 16.0 DO 00 c2 01 00 00 00 08 ....... 354.2.0
+ *
+ * 16.0 CTL 21 22 03 00 00 00 00 00
+*/
+
+static void zte_ev_usb_serial_close(struct usb_serial_port *port)
+{
+ struct usb_device *udev = port->serial->dev;
+ struct device *dev = &port->dev;
+ int result = 0;
+ int len;
+ unsigned char *buf;
+
+ if (port->number != 0)
+ return;
+
+ buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
+ if (!buf)
+ return;
+
+ /* send 1st ctl cmd(CTL 21 22 02 00 00 00 00 00) */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0002, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ /* send 2st ctl cmd(CTL 21 22 03 00 00 00 00 00 ) */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0003, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ /* send 3st cmd and recieve data */
+ /*
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 25.1.0(5)
+ * 16.0 DI 00 08 07 00 00 00 08
+ */
+ len = 0x0007;
+ result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ 0x21, 0xa1,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 4 cmd */
+ /*
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 30.1.0
+ * 16.0 DO 00 c2 01 00 00 00 08 .%..... 30.2.0
+ */
+ len = 0x0007;
+ buf[0] = 0x00;
+ buf[1] = 0xc2;
+ buf[2] = 0x01;
+ buf[3] = 0x00;
+ buf[4] = 0x00;
+ buf[5] = 0x00;
+ buf[6] = 0x08;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x20, 0x21,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 5 cmd */
+ /*
+ * 16.0 CTL 21 22 03 00 00 00 00 00
+ */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0003, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ /* send 6 cmd */
+ /*
+ * 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 33.1.0
+ * 16.0 DI 00 c2 01 00 00 00 08
+ */
+ len = 0x0007;
+ result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ 0x21, 0xa1,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 7 cmd */
+ /*
+ * 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 354.1.0
+ * 16.0 DO 00 c2 01 00 00 00 08 ....... 354.2.0
+ */
+ len = 0x0007;
+ buf[0] = 0x00;
+ buf[1] = 0xc2;
+ buf[2] = 0x01;
+ buf[3] = 0x00;
+ buf[4] = 0x00;
+ buf[5] = 0x00;
+ buf[6] = 0x08;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x20, 0x21,
+ 0x0000, 0x0000, buf, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+ if (result == len)
+ usb_serial_debug_data(debug, dev, __func__, len, buf);
+
+ /* send 8 cmd */
+ /*
+ * 16.0 CTL 21 22 03 00 00 00 00 00
+ */
+ len = 0;
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ 0x22, 0x21,
+ 0x0003, 0x0000, NULL, len,
+ HZ * USB_CTRL_GET_TIMEOUT);
+ dev_dbg(dev, "result = %d\n", result);
+
+ kfree(buf);
+
+ usb_serial_generic_close(port);
+}
+
+static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(0x19d2, 0xffff) }, /* AC8700 */
+ { USB_DEVICE(0x19d2, 0xfffe) },
+ { USB_DEVICE(0x19d2, 0xfffd) }, /* MG880 */
+ { USB_DEVICE(0x05C6, 0x3197) },
+ { USB_DEVICE(0x05C6, 0x6000) },
+ { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_serial_driver zio_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "zte_ev",
+ },
+ .id_table = id_table,
+ .num_ports = 1,
+ .open = zte_ev_usb_serial_open,
+ .close = zte_ev_usb_serial_close,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+ &zio_device, NULL
+};
+
+module_usb_serial_driver(serial_drivers, id_table);
+MODULE_LICENSE("GPL v2");
+
+
|
