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619a6f1d GKH |
1 | /* |
2 | * spcp8x5 USB to serial adaptor driver | |
3 | * | |
e1ed212d | 4 | * Copyright (C) 2010-2013 Johan Hovold (jhovold@gmail.com) |
619a6f1d GKH |
5 | * Copyright (C) 2006 Linxb (xubin.lin@worldplus.com.cn) |
6 | * Copyright (C) 2006 S1 Corp. | |
7 | * | |
8 | * Original driver for 2.6.10 pl2303 driver by | |
9 | * Greg Kroah-Hartman (greg@kroah.com) | |
10 | * Changes for 2.6.20 by Harald Klein <hari@vt100.at> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
619a6f1d GKH |
16 | */ |
17 | #include <linux/kernel.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/slab.h> | |
21 | #include <linux/tty.h> | |
22 | #include <linux/tty_driver.h> | |
23 | #include <linux/tty_flip.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/spinlock.h> | |
26 | #include <linux/usb.h> | |
27 | #include <linux/usb/serial.h> | |
28 | ||
2d816ac6 | 29 | #define DRIVER_DESC "SPCP8x5 USB to serial adaptor driver" |
619a6f1d | 30 | |
4d63143d JH |
31 | #define SPCP825_QUIRK_NO_UART_STATUS 0x01 |
32 | #define SPCP825_QUIRK_NO_WORK_MODE 0x02 | |
33 | ||
619a6f1d GKH |
34 | #define SPCP8x5_007_VID 0x04FC |
35 | #define SPCP8x5_007_PID 0x0201 | |
36 | #define SPCP8x5_008_VID 0x04fc | |
37 | #define SPCP8x5_008_PID 0x0235 | |
38 | #define SPCP8x5_PHILIPS_VID 0x0471 | |
39 | #define SPCP8x5_PHILIPS_PID 0x081e | |
40 | #define SPCP8x5_INTERMATIC_VID 0x04FC | |
41 | #define SPCP8x5_INTERMATIC_PID 0x0204 | |
42 | #define SPCP8x5_835_VID 0x04fc | |
43 | #define SPCP8x5_835_PID 0x0231 | |
44 | ||
7d40d7e8 | 45 | static const struct usb_device_id id_table[] = { |
619a6f1d GKH |
46 | { USB_DEVICE(SPCP8x5_PHILIPS_VID , SPCP8x5_PHILIPS_PID)}, |
47 | { USB_DEVICE(SPCP8x5_INTERMATIC_VID, SPCP8x5_INTERMATIC_PID)}, | |
48 | { USB_DEVICE(SPCP8x5_835_VID, SPCP8x5_835_PID)}, | |
49 | { USB_DEVICE(SPCP8x5_008_VID, SPCP8x5_008_PID)}, | |
4d63143d JH |
50 | { USB_DEVICE(SPCP8x5_007_VID, SPCP8x5_007_PID), |
51 | .driver_info = SPCP825_QUIRK_NO_UART_STATUS | | |
52 | SPCP825_QUIRK_NO_WORK_MODE }, | |
619a6f1d GKH |
53 | { } /* Terminating entry */ |
54 | }; | |
55 | MODULE_DEVICE_TABLE(usb, id_table); | |
56 | ||
57 | struct spcp8x5_usb_ctrl_arg { | |
2d816ac6 | 58 | u8 type; |
619a6f1d GKH |
59 | u8 cmd; |
60 | u8 cmd_type; | |
61 | u16 value; | |
62 | u16 index; | |
63 | u16 length; | |
64 | }; | |
65 | ||
619a6f1d GKH |
66 | |
67 | /* spcp8x5 spec register define */ | |
68 | #define MCR_CONTROL_LINE_RTS 0x02 | |
69 | #define MCR_CONTROL_LINE_DTR 0x01 | |
70 | #define MCR_DTR 0x01 | |
71 | #define MCR_RTS 0x02 | |
72 | ||
73 | #define MSR_STATUS_LINE_DCD 0x80 | |
74 | #define MSR_STATUS_LINE_RI 0x40 | |
75 | #define MSR_STATUS_LINE_DSR 0x20 | |
76 | #define MSR_STATUS_LINE_CTS 0x10 | |
77 | ||
78 | /* verdor command here , we should define myself */ | |
79 | #define SET_DEFAULT 0x40 | |
80 | #define SET_DEFAULT_TYPE 0x20 | |
81 | ||
82 | #define SET_UART_FORMAT 0x40 | |
83 | #define SET_UART_FORMAT_TYPE 0x21 | |
84 | #define SET_UART_FORMAT_SIZE_5 0x00 | |
85 | #define SET_UART_FORMAT_SIZE_6 0x01 | |
86 | #define SET_UART_FORMAT_SIZE_7 0x02 | |
87 | #define SET_UART_FORMAT_SIZE_8 0x03 | |
88 | #define SET_UART_FORMAT_STOP_1 0x00 | |
89 | #define SET_UART_FORMAT_STOP_2 0x04 | |
90 | #define SET_UART_FORMAT_PAR_NONE 0x00 | |
91 | #define SET_UART_FORMAT_PAR_ODD 0x10 | |
92 | #define SET_UART_FORMAT_PAR_EVEN 0x30 | |
93 | #define SET_UART_FORMAT_PAR_MASK 0xD0 | |
94 | #define SET_UART_FORMAT_PAR_SPACE 0x90 | |
95 | ||
96 | #define GET_UART_STATUS_TYPE 0xc0 | |
97 | #define GET_UART_STATUS 0x22 | |
98 | #define GET_UART_STATUS_MSR 0x06 | |
99 | ||
100 | #define SET_UART_STATUS 0x40 | |
101 | #define SET_UART_STATUS_TYPE 0x23 | |
102 | #define SET_UART_STATUS_MCR 0x0004 | |
103 | #define SET_UART_STATUS_MCR_DTR 0x01 | |
104 | #define SET_UART_STATUS_MCR_RTS 0x02 | |
105 | #define SET_UART_STATUS_MCR_LOOP 0x10 | |
106 | ||
107 | #define SET_WORKING_MODE 0x40 | |
108 | #define SET_WORKING_MODE_TYPE 0x24 | |
109 | #define SET_WORKING_MODE_U2C 0x00 | |
110 | #define SET_WORKING_MODE_RS485 0x01 | |
111 | #define SET_WORKING_MODE_PDMA 0x02 | |
112 | #define SET_WORKING_MODE_SPP 0x03 | |
113 | ||
114 | #define SET_FLOWCTL_CHAR 0x40 | |
115 | #define SET_FLOWCTL_CHAR_TYPE 0x25 | |
116 | ||
117 | #define GET_VERSION 0xc0 | |
118 | #define GET_VERSION_TYPE 0x26 | |
119 | ||
120 | #define SET_REGISTER 0x40 | |
121 | #define SET_REGISTER_TYPE 0x27 | |
122 | ||
123 | #define GET_REGISTER 0xc0 | |
124 | #define GET_REGISTER_TYPE 0x28 | |
125 | ||
126 | #define SET_RAM 0x40 | |
127 | #define SET_RAM_TYPE 0x31 | |
128 | ||
129 | #define GET_RAM 0xc0 | |
130 | #define GET_RAM_TYPE 0x32 | |
131 | ||
132 | /* how come ??? */ | |
133 | #define UART_STATE 0x08 | |
d14fc1a7 | 134 | #define UART_STATE_TRANSIENT_MASK 0x75 |
619a6f1d GKH |
135 | #define UART_DCD 0x01 |
136 | #define UART_DSR 0x02 | |
137 | #define UART_BREAK_ERROR 0x04 | |
138 | #define UART_RING 0x08 | |
139 | #define UART_FRAME_ERROR 0x10 | |
140 | #define UART_PARITY_ERROR 0x20 | |
141 | #define UART_OVERRUN_ERROR 0x40 | |
142 | #define UART_CTS 0x80 | |
143 | ||
619a6f1d | 144 | struct spcp8x5_private { |
4d63143d | 145 | unsigned quirks; |
2d816ac6 | 146 | spinlock_t lock; |
2d816ac6 | 147 | u8 line_control; |
619a6f1d GKH |
148 | }; |
149 | ||
4d63143d JH |
150 | static int spcp8x5_probe(struct usb_serial *serial, |
151 | const struct usb_device_id *id) | |
152 | { | |
153 | usb_set_serial_data(serial, (void *)id); | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
bf90ff5f | 158 | static int spcp8x5_port_probe(struct usb_serial_port *port) |
619a6f1d | 159 | { |
4d63143d | 160 | const struct usb_device_id *id = usb_get_serial_data(port->serial); |
619a6f1d | 161 | struct spcp8x5_private *priv; |
619a6f1d | 162 | |
bf90ff5f JH |
163 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
164 | if (!priv) | |
165 | return -ENOMEM; | |
619a6f1d | 166 | |
bf90ff5f | 167 | spin_lock_init(&priv->lock); |
4d63143d | 168 | priv->quirks = id->driver_info; |
bf90ff5f | 169 | |
2d816ac6 | 170 | usb_set_serial_port_data(port, priv); |
619a6f1d | 171 | |
d7be6221 JH |
172 | port->port.drain_delay = 256; |
173 | ||
619a6f1d | 174 | return 0; |
619a6f1d GKH |
175 | } |
176 | ||
bf90ff5f | 177 | static int spcp8x5_port_remove(struct usb_serial_port *port) |
619a6f1d | 178 | { |
bf90ff5f | 179 | struct spcp8x5_private *priv; |
619a6f1d | 180 | |
bf90ff5f JH |
181 | priv = usb_get_serial_port_data(port); |
182 | kfree(priv); | |
183 | ||
184 | return 0; | |
619a6f1d GKH |
185 | } |
186 | ||
8413d2fd | 187 | static int spcp8x5_set_ctrl_line(struct usb_serial_port *port, u8 mcr) |
619a6f1d | 188 | { |
8413d2fd JH |
189 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
190 | struct usb_device *dev = port->serial->dev; | |
619a6f1d | 191 | int retval; |
619a6f1d | 192 | |
4d63143d | 193 | if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) |
619a6f1d GKH |
194 | return -EPERM; |
195 | ||
619a6f1d GKH |
196 | retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
197 | SET_UART_STATUS_TYPE, SET_UART_STATUS, | |
198 | mcr, 0x04, NULL, 0, 100); | |
8413d2fd JH |
199 | if (retval != 0) { |
200 | dev_err(&port->dev, "failed to set control lines: %d\n", | |
201 | retval); | |
202 | } | |
619a6f1d GKH |
203 | return retval; |
204 | } | |
205 | ||
8413d2fd | 206 | static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status) |
619a6f1d | 207 | { |
8413d2fd JH |
208 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
209 | struct usb_device *dev = port->serial->dev; | |
0a967f62 | 210 | u8 *buf; |
619a6f1d GKH |
211 | int ret; |
212 | ||
4d63143d | 213 | if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) |
619a6f1d | 214 | return -EPERM; |
619a6f1d | 215 | |
0a967f62 JH |
216 | buf = kzalloc(1, GFP_KERNEL); |
217 | if (!buf) | |
619a6f1d | 218 | return -ENOMEM; |
619a6f1d GKH |
219 | |
220 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
221 | GET_UART_STATUS, GET_UART_STATUS_TYPE, | |
0a967f62 | 222 | 0, GET_UART_STATUS_MSR, buf, 1, 100); |
619a6f1d | 223 | if (ret < 0) |
8413d2fd JH |
224 | dev_err(&port->dev, "failed to get modem status: %d", ret); |
225 | ||
0a967f62 JH |
226 | dev_dbg(&port->dev, "0xc0:0x22:0:6 %d - 0x02%x", ret, *buf); |
227 | *status = *buf; | |
228 | kfree(buf); | |
619a6f1d GKH |
229 | |
230 | return ret; | |
231 | } | |
232 | ||
8413d2fd JH |
233 | static void spcp8x5_set_work_mode(struct usb_serial_port *port, u16 value, |
234 | u16 index) | |
619a6f1d | 235 | { |
8413d2fd JH |
236 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
237 | struct usb_device *dev = port->serial->dev; | |
619a6f1d GKH |
238 | int ret; |
239 | ||
4d63143d | 240 | if (priv->quirks & SPCP825_QUIRK_NO_WORK_MODE) |
619a6f1d GKH |
241 | return; |
242 | ||
243 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
244 | SET_WORKING_MODE_TYPE, SET_WORKING_MODE, | |
245 | value, index, NULL, 0, 100); | |
8413d2fd | 246 | dev_dbg(&port->dev, "value = %#x , index = %#x\n", value, index); |
619a6f1d | 247 | if (ret < 0) |
8413d2fd | 248 | dev_err(&port->dev, "failed to set work mode: %d\n", ret); |
619a6f1d GKH |
249 | } |
250 | ||
335f8514 AC |
251 | static int spcp8x5_carrier_raised(struct usb_serial_port *port) |
252 | { | |
e1ed212d JH |
253 | u8 msr; |
254 | int ret; | |
2d816ac6 | 255 | |
e1ed212d JH |
256 | ret = spcp8x5_get_msr(port, &msr); |
257 | if (ret || msr & MSR_STATUS_LINE_DCD) | |
335f8514 | 258 | return 1; |
2d816ac6 | 259 | |
335f8514 AC |
260 | return 0; |
261 | } | |
262 | ||
263 | static void spcp8x5_dtr_rts(struct usb_serial_port *port, int on) | |
264 | { | |
265 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); | |
266 | unsigned long flags; | |
267 | u8 control; | |
268 | ||
269 | spin_lock_irqsave(&priv->lock, flags); | |
270 | if (on) | |
271 | priv->line_control = MCR_CONTROL_LINE_DTR | |
272 | | MCR_CONTROL_LINE_RTS; | |
273 | else | |
274 | priv->line_control &= ~ (MCR_CONTROL_LINE_DTR | |
275 | | MCR_CONTROL_LINE_RTS); | |
276 | control = priv->line_control; | |
277 | spin_unlock_irqrestore(&priv->lock, flags); | |
8413d2fd | 278 | spcp8x5_set_ctrl_line(port, control); |
335f8514 AC |
279 | } |
280 | ||
fe1ae7fd AC |
281 | static void spcp8x5_init_termios(struct tty_struct *tty) |
282 | { | |
adc8d746 AC |
283 | tty->termios = tty_std_termios; |
284 | tty->termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL; | |
285 | tty->termios.c_ispeed = 115200; | |
286 | tty->termios.c_ospeed = 115200; | |
fe1ae7fd AC |
287 | } |
288 | ||
95da310e AC |
289 | static void spcp8x5_set_termios(struct tty_struct *tty, |
290 | struct usb_serial_port *port, struct ktermios *old_termios) | |
619a6f1d GKH |
291 | { |
292 | struct usb_serial *serial = port->serial; | |
293 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); | |
294 | unsigned long flags; | |
adc8d746 | 295 | unsigned int cflag = tty->termios.c_cflag; |
619a6f1d GKH |
296 | unsigned short uartdata; |
297 | unsigned char buf[2] = {0, 0}; | |
298 | int baud; | |
299 | int i; | |
300 | u8 control; | |
301 | ||
619a6f1d | 302 | /* check that they really want us to change something */ |
5e4211f1 | 303 | if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios)) |
619a6f1d GKH |
304 | return; |
305 | ||
306 | /* set DTR/RTS active */ | |
307 | spin_lock_irqsave(&priv->lock, flags); | |
308 | control = priv->line_control; | |
5e4211f1 | 309 | if (old_termios && (old_termios->c_cflag & CBAUD) == B0) { |
619a6f1d | 310 | priv->line_control |= MCR_DTR; |
5e4211f1 | 311 | if (!(old_termios->c_cflag & CRTSCTS)) |
619a6f1d GKH |
312 | priv->line_control |= MCR_RTS; |
313 | } | |
314 | if (control != priv->line_control) { | |
315 | control = priv->line_control; | |
316 | spin_unlock_irqrestore(&priv->lock, flags); | |
8413d2fd | 317 | spcp8x5_set_ctrl_line(port, control); |
619a6f1d GKH |
318 | } else { |
319 | spin_unlock_irqrestore(&priv->lock, flags); | |
320 | } | |
321 | ||
322 | /* Set Baud Rate */ | |
a419aef8 | 323 | baud = tty_get_baud_rate(tty); |
619a6f1d GKH |
324 | switch (baud) { |
325 | case 300: buf[0] = 0x00; break; | |
326 | case 600: buf[0] = 0x01; break; | |
327 | case 1200: buf[0] = 0x02; break; | |
328 | case 2400: buf[0] = 0x03; break; | |
329 | case 4800: buf[0] = 0x04; break; | |
330 | case 9600: buf[0] = 0x05; break; | |
331 | case 19200: buf[0] = 0x07; break; | |
332 | case 38400: buf[0] = 0x09; break; | |
333 | case 57600: buf[0] = 0x0a; break; | |
334 | case 115200: buf[0] = 0x0b; break; | |
335 | case 230400: buf[0] = 0x0c; break; | |
336 | case 460800: buf[0] = 0x0d; break; | |
337 | case 921600: buf[0] = 0x0e; break; | |
338 | /* case 1200000: buf[0] = 0x0f; break; */ | |
339 | /* case 2400000: buf[0] = 0x10; break; */ | |
340 | case 3000000: buf[0] = 0x11; break; | |
341 | /* case 6000000: buf[0] = 0x12; break; */ | |
342 | case 0: | |
343 | case 1000000: | |
344 | buf[0] = 0x0b; break; | |
345 | default: | |
194343d9 GKH |
346 | dev_err(&port->dev, "spcp825 driver does not support the " |
347 | "baudrate requested, using default of 9600.\n"); | |
619a6f1d GKH |
348 | } |
349 | ||
350 | /* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */ | |
351 | if (cflag & CSIZE) { | |
352 | switch (cflag & CSIZE) { | |
353 | case CS5: | |
354 | buf[1] |= SET_UART_FORMAT_SIZE_5; | |
355 | break; | |
356 | case CS6: | |
357 | buf[1] |= SET_UART_FORMAT_SIZE_6; | |
358 | break; | |
359 | case CS7: | |
360 | buf[1] |= SET_UART_FORMAT_SIZE_7; | |
361 | break; | |
362 | default: | |
363 | case CS8: | |
364 | buf[1] |= SET_UART_FORMAT_SIZE_8; | |
365 | break; | |
366 | } | |
367 | } | |
368 | ||
369 | /* Set Stop bit2 : 0:1bit 1:2bit */ | |
370 | buf[1] |= (cflag & CSTOPB) ? SET_UART_FORMAT_STOP_2 : | |
371 | SET_UART_FORMAT_STOP_1; | |
372 | ||
373 | /* Set Parity bit3-4 01:Odd 11:Even */ | |
374 | if (cflag & PARENB) { | |
375 | buf[1] |= (cflag & PARODD) ? | |
376 | SET_UART_FORMAT_PAR_ODD : SET_UART_FORMAT_PAR_EVEN ; | |
2d816ac6 | 377 | } else { |
619a6f1d | 378 | buf[1] |= SET_UART_FORMAT_PAR_NONE; |
2d816ac6 | 379 | } |
619a6f1d GKH |
380 | uartdata = buf[0] | buf[1]<<8; |
381 | ||
382 | i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), | |
383 | SET_UART_FORMAT_TYPE, SET_UART_FORMAT, | |
384 | uartdata, 0, NULL, 0, 100); | |
385 | if (i < 0) | |
194343d9 GKH |
386 | dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n", |
387 | uartdata, i); | |
fe2baf87 | 388 | dev_dbg(&port->dev, "0x21:0x40:0:0 %d\n", i); |
619a6f1d GKH |
389 | |
390 | if (cflag & CRTSCTS) { | |
391 | /* enable hardware flow control */ | |
8413d2fd | 392 | spcp8x5_set_work_mode(port, 0x000a, SET_WORKING_MODE_U2C); |
619a6f1d | 393 | } |
619a6f1d GKH |
394 | } |
395 | ||
a509a7e4 | 396 | static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port) |
619a6f1d | 397 | { |
619a6f1d GKH |
398 | struct usb_serial *serial = port->serial; |
399 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); | |
400 | int ret; | |
619a6f1d | 401 | |
619a6f1d GKH |
402 | usb_clear_halt(serial->dev, port->write_urb->pipe); |
403 | usb_clear_halt(serial->dev, port->read_urb->pipe); | |
404 | ||
405 | ret = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), | |
406 | 0x09, 0x00, | |
407 | 0x01, 0x00, NULL, 0x00, 100); | |
408 | if (ret) | |
409 | return ret; | |
410 | ||
8413d2fd | 411 | spcp8x5_set_ctrl_line(port, priv->line_control); |
619a6f1d | 412 | |
95da310e | 413 | if (tty) |
5e4211f1 | 414 | spcp8x5_set_termios(tty, port, NULL); |
619a6f1d | 415 | |
fa993ca8 | 416 | return usb_serial_generic_open(tty, port); |
619a6f1d GKH |
417 | } |
418 | ||
20b9d177 | 419 | static int spcp8x5_tiocmset(struct tty_struct *tty, |
619a6f1d GKH |
420 | unsigned int set, unsigned int clear) |
421 | { | |
95da310e | 422 | struct usb_serial_port *port = tty->driver_data; |
619a6f1d GKH |
423 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
424 | unsigned long flags; | |
425 | u8 control; | |
426 | ||
427 | spin_lock_irqsave(&priv->lock, flags); | |
428 | if (set & TIOCM_RTS) | |
429 | priv->line_control |= MCR_RTS; | |
430 | if (set & TIOCM_DTR) | |
431 | priv->line_control |= MCR_DTR; | |
432 | if (clear & TIOCM_RTS) | |
433 | priv->line_control &= ~MCR_RTS; | |
434 | if (clear & TIOCM_DTR) | |
435 | priv->line_control &= ~MCR_DTR; | |
436 | control = priv->line_control; | |
437 | spin_unlock_irqrestore(&priv->lock, flags); | |
438 | ||
8413d2fd | 439 | return spcp8x5_set_ctrl_line(port, control); |
619a6f1d GKH |
440 | } |
441 | ||
60b33c13 | 442 | static int spcp8x5_tiocmget(struct tty_struct *tty) |
619a6f1d | 443 | { |
95da310e | 444 | struct usb_serial_port *port = tty->driver_data; |
619a6f1d GKH |
445 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
446 | unsigned long flags; | |
447 | unsigned int mcr; | |
e1ed212d | 448 | u8 status; |
619a6f1d GKH |
449 | unsigned int result; |
450 | ||
e1ed212d JH |
451 | result = spcp8x5_get_msr(port, &status); |
452 | if (result) | |
453 | return result; | |
454 | ||
619a6f1d GKH |
455 | spin_lock_irqsave(&priv->lock, flags); |
456 | mcr = priv->line_control; | |
619a6f1d GKH |
457 | spin_unlock_irqrestore(&priv->lock, flags); |
458 | ||
459 | result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0) | |
460 | | ((mcr & MCR_RTS) ? TIOCM_RTS : 0) | |
461 | | ((status & MSR_STATUS_LINE_CTS) ? TIOCM_CTS : 0) | |
462 | | ((status & MSR_STATUS_LINE_DSR) ? TIOCM_DSR : 0) | |
463 | | ((status & MSR_STATUS_LINE_RI) ? TIOCM_RI : 0) | |
464 | | ((status & MSR_STATUS_LINE_DCD) ? TIOCM_CD : 0); | |
465 | ||
466 | return result; | |
467 | } | |
468 | ||
619a6f1d GKH |
469 | static struct usb_serial_driver spcp8x5_device = { |
470 | .driver = { | |
471 | .owner = THIS_MODULE, | |
472 | .name = "SPCP8x5", | |
473 | }, | |
474 | .id_table = id_table, | |
619a6f1d | 475 | .num_ports = 1, |
2d816ac6 | 476 | .open = spcp8x5_open, |
335f8514 AC |
477 | .dtr_rts = spcp8x5_dtr_rts, |
478 | .carrier_raised = spcp8x5_carrier_raised, | |
2d816ac6 | 479 | .set_termios = spcp8x5_set_termios, |
fe1ae7fd | 480 | .init_termios = spcp8x5_init_termios, |
2d816ac6 JH |
481 | .tiocmget = spcp8x5_tiocmget, |
482 | .tiocmset = spcp8x5_tiocmset, | |
4d63143d | 483 | .probe = spcp8x5_probe, |
bf90ff5f JH |
484 | .port_probe = spcp8x5_port_probe, |
485 | .port_remove = spcp8x5_port_remove, | |
619a6f1d GKH |
486 | }; |
487 | ||
d860322f AS |
488 | static struct usb_serial_driver * const serial_drivers[] = { |
489 | &spcp8x5_device, NULL | |
490 | }; | |
491 | ||
68e24113 | 492 | module_usb_serial_driver(serial_drivers, id_table); |
619a6f1d GKH |
493 | |
494 | MODULE_DESCRIPTION(DRIVER_DESC); | |
619a6f1d | 495 | MODULE_LICENSE("GPL"); |