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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 GKH |
171 | |
172 | return 0; | |
619a6f1d GKH |
173 | } |
174 | ||
bf90ff5f | 175 | static int spcp8x5_port_remove(struct usb_serial_port *port) |
619a6f1d | 176 | { |
bf90ff5f | 177 | struct spcp8x5_private *priv; |
619a6f1d | 178 | |
bf90ff5f JH |
179 | priv = usb_get_serial_port_data(port); |
180 | kfree(priv); | |
181 | ||
182 | return 0; | |
619a6f1d GKH |
183 | } |
184 | ||
8413d2fd | 185 | static int spcp8x5_set_ctrl_line(struct usb_serial_port *port, u8 mcr) |
619a6f1d | 186 | { |
8413d2fd JH |
187 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
188 | struct usb_device *dev = port->serial->dev; | |
619a6f1d | 189 | int retval; |
619a6f1d | 190 | |
4d63143d | 191 | if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) |
619a6f1d GKH |
192 | return -EPERM; |
193 | ||
619a6f1d GKH |
194 | retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
195 | SET_UART_STATUS_TYPE, SET_UART_STATUS, | |
196 | mcr, 0x04, NULL, 0, 100); | |
8413d2fd JH |
197 | if (retval != 0) { |
198 | dev_err(&port->dev, "failed to set control lines: %d\n", | |
199 | retval); | |
200 | } | |
619a6f1d GKH |
201 | return retval; |
202 | } | |
203 | ||
8413d2fd | 204 | static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status) |
619a6f1d | 205 | { |
8413d2fd JH |
206 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
207 | struct usb_device *dev = port->serial->dev; | |
0a967f62 | 208 | u8 *buf; |
619a6f1d GKH |
209 | int ret; |
210 | ||
4d63143d | 211 | if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) |
619a6f1d | 212 | return -EPERM; |
619a6f1d | 213 | |
0a967f62 JH |
214 | buf = kzalloc(1, GFP_KERNEL); |
215 | if (!buf) | |
619a6f1d | 216 | return -ENOMEM; |
619a6f1d GKH |
217 | |
218 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
219 | GET_UART_STATUS, GET_UART_STATUS_TYPE, | |
0a967f62 | 220 | 0, GET_UART_STATUS_MSR, buf, 1, 100); |
619a6f1d | 221 | if (ret < 0) |
8413d2fd JH |
222 | dev_err(&port->dev, "failed to get modem status: %d", ret); |
223 | ||
0a967f62 JH |
224 | dev_dbg(&port->dev, "0xc0:0x22:0:6 %d - 0x02%x", ret, *buf); |
225 | *status = *buf; | |
226 | kfree(buf); | |
619a6f1d GKH |
227 | |
228 | return ret; | |
229 | } | |
230 | ||
8413d2fd JH |
231 | static void spcp8x5_set_work_mode(struct usb_serial_port *port, u16 value, |
232 | u16 index) | |
619a6f1d | 233 | { |
8413d2fd JH |
234 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
235 | struct usb_device *dev = port->serial->dev; | |
619a6f1d GKH |
236 | int ret; |
237 | ||
4d63143d | 238 | if (priv->quirks & SPCP825_QUIRK_NO_WORK_MODE) |
619a6f1d GKH |
239 | return; |
240 | ||
241 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
242 | SET_WORKING_MODE_TYPE, SET_WORKING_MODE, | |
243 | value, index, NULL, 0, 100); | |
8413d2fd | 244 | dev_dbg(&port->dev, "value = %#x , index = %#x\n", value, index); |
619a6f1d | 245 | if (ret < 0) |
8413d2fd | 246 | dev_err(&port->dev, "failed to set work mode: %d\n", ret); |
619a6f1d GKH |
247 | } |
248 | ||
335f8514 AC |
249 | static int spcp8x5_carrier_raised(struct usb_serial_port *port) |
250 | { | |
e1ed212d JH |
251 | u8 msr; |
252 | int ret; | |
2d816ac6 | 253 | |
e1ed212d JH |
254 | ret = spcp8x5_get_msr(port, &msr); |
255 | if (ret || msr & MSR_STATUS_LINE_DCD) | |
335f8514 | 256 | return 1; |
2d816ac6 | 257 | |
335f8514 AC |
258 | return 0; |
259 | } | |
260 | ||
261 | static void spcp8x5_dtr_rts(struct usb_serial_port *port, int on) | |
262 | { | |
263 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); | |
264 | unsigned long flags; | |
265 | u8 control; | |
266 | ||
267 | spin_lock_irqsave(&priv->lock, flags); | |
268 | if (on) | |
269 | priv->line_control = MCR_CONTROL_LINE_DTR | |
270 | | MCR_CONTROL_LINE_RTS; | |
271 | else | |
272 | priv->line_control &= ~ (MCR_CONTROL_LINE_DTR | |
273 | | MCR_CONTROL_LINE_RTS); | |
274 | control = priv->line_control; | |
275 | spin_unlock_irqrestore(&priv->lock, flags); | |
8413d2fd | 276 | spcp8x5_set_ctrl_line(port, control); |
335f8514 AC |
277 | } |
278 | ||
fe1ae7fd AC |
279 | static void spcp8x5_init_termios(struct tty_struct *tty) |
280 | { | |
adc8d746 AC |
281 | tty->termios = tty_std_termios; |
282 | tty->termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL; | |
283 | tty->termios.c_ispeed = 115200; | |
284 | tty->termios.c_ospeed = 115200; | |
fe1ae7fd AC |
285 | } |
286 | ||
95da310e AC |
287 | static void spcp8x5_set_termios(struct tty_struct *tty, |
288 | struct usb_serial_port *port, struct ktermios *old_termios) | |
619a6f1d GKH |
289 | { |
290 | struct usb_serial *serial = port->serial; | |
291 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); | |
292 | unsigned long flags; | |
adc8d746 | 293 | unsigned int cflag = tty->termios.c_cflag; |
619a6f1d GKH |
294 | unsigned int old_cflag = old_termios->c_cflag; |
295 | unsigned short uartdata; | |
296 | unsigned char buf[2] = {0, 0}; | |
297 | int baud; | |
298 | int i; | |
299 | u8 control; | |
300 | ||
619a6f1d | 301 | /* check that they really want us to change something */ |
adc8d746 | 302 | if (!tty_termios_hw_change(&tty->termios, old_termios)) |
619a6f1d GKH |
303 | return; |
304 | ||
305 | /* set DTR/RTS active */ | |
306 | spin_lock_irqsave(&priv->lock, flags); | |
307 | control = priv->line_control; | |
308 | if ((old_cflag & CBAUD) == B0) { | |
309 | priv->line_control |= MCR_DTR; | |
310 | if (!(old_cflag & CRTSCTS)) | |
311 | priv->line_control |= MCR_RTS; | |
312 | } | |
313 | if (control != priv->line_control) { | |
314 | control = priv->line_control; | |
315 | spin_unlock_irqrestore(&priv->lock, flags); | |
8413d2fd | 316 | spcp8x5_set_ctrl_line(port, control); |
619a6f1d GKH |
317 | } else { |
318 | spin_unlock_irqrestore(&priv->lock, flags); | |
319 | } | |
320 | ||
321 | /* Set Baud Rate */ | |
a419aef8 | 322 | baud = tty_get_baud_rate(tty); |
619a6f1d GKH |
323 | switch (baud) { |
324 | case 300: buf[0] = 0x00; break; | |
325 | case 600: buf[0] = 0x01; break; | |
326 | case 1200: buf[0] = 0x02; break; | |
327 | case 2400: buf[0] = 0x03; break; | |
328 | case 4800: buf[0] = 0x04; break; | |
329 | case 9600: buf[0] = 0x05; break; | |
330 | case 19200: buf[0] = 0x07; break; | |
331 | case 38400: buf[0] = 0x09; break; | |
332 | case 57600: buf[0] = 0x0a; break; | |
333 | case 115200: buf[0] = 0x0b; break; | |
334 | case 230400: buf[0] = 0x0c; break; | |
335 | case 460800: buf[0] = 0x0d; break; | |
336 | case 921600: buf[0] = 0x0e; break; | |
337 | /* case 1200000: buf[0] = 0x0f; break; */ | |
338 | /* case 2400000: buf[0] = 0x10; break; */ | |
339 | case 3000000: buf[0] = 0x11; break; | |
340 | /* case 6000000: buf[0] = 0x12; break; */ | |
341 | case 0: | |
342 | case 1000000: | |
343 | buf[0] = 0x0b; break; | |
344 | default: | |
194343d9 GKH |
345 | dev_err(&port->dev, "spcp825 driver does not support the " |
346 | "baudrate requested, using default of 9600.\n"); | |
619a6f1d GKH |
347 | } |
348 | ||
349 | /* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */ | |
350 | if (cflag & CSIZE) { | |
351 | switch (cflag & CSIZE) { | |
352 | case CS5: | |
353 | buf[1] |= SET_UART_FORMAT_SIZE_5; | |
354 | break; | |
355 | case CS6: | |
356 | buf[1] |= SET_UART_FORMAT_SIZE_6; | |
357 | break; | |
358 | case CS7: | |
359 | buf[1] |= SET_UART_FORMAT_SIZE_7; | |
360 | break; | |
361 | default: | |
362 | case CS8: | |
363 | buf[1] |= SET_UART_FORMAT_SIZE_8; | |
364 | break; | |
365 | } | |
366 | } | |
367 | ||
368 | /* Set Stop bit2 : 0:1bit 1:2bit */ | |
369 | buf[1] |= (cflag & CSTOPB) ? SET_UART_FORMAT_STOP_2 : | |
370 | SET_UART_FORMAT_STOP_1; | |
371 | ||
372 | /* Set Parity bit3-4 01:Odd 11:Even */ | |
373 | if (cflag & PARENB) { | |
374 | buf[1] |= (cflag & PARODD) ? | |
375 | SET_UART_FORMAT_PAR_ODD : SET_UART_FORMAT_PAR_EVEN ; | |
2d816ac6 | 376 | } else { |
619a6f1d | 377 | buf[1] |= SET_UART_FORMAT_PAR_NONE; |
2d816ac6 | 378 | } |
619a6f1d GKH |
379 | uartdata = buf[0] | buf[1]<<8; |
380 | ||
381 | i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), | |
382 | SET_UART_FORMAT_TYPE, SET_UART_FORMAT, | |
383 | uartdata, 0, NULL, 0, 100); | |
384 | if (i < 0) | |
194343d9 GKH |
385 | dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n", |
386 | uartdata, i); | |
fe2baf87 | 387 | dev_dbg(&port->dev, "0x21:0x40:0:0 %d\n", i); |
619a6f1d GKH |
388 | |
389 | if (cflag & CRTSCTS) { | |
390 | /* enable hardware flow control */ | |
8413d2fd | 391 | spcp8x5_set_work_mode(port, 0x000a, SET_WORKING_MODE_U2C); |
619a6f1d | 392 | } |
619a6f1d GKH |
393 | } |
394 | ||
a509a7e4 | 395 | static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port) |
619a6f1d GKH |
396 | { |
397 | struct ktermios tmp_termios; | |
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 AC |
413 | if (tty) |
414 | spcp8x5_set_termios(tty, port, &tmp_termios); | |
619a6f1d | 415 | |
335f8514 | 416 | port->port.drain_delay = 256; |
fa993ca8 JH |
417 | |
418 | return usb_serial_generic_open(tty, port); | |
619a6f1d GKH |
419 | } |
420 | ||
20b9d177 | 421 | static int spcp8x5_tiocmset(struct tty_struct *tty, |
619a6f1d GKH |
422 | unsigned int set, unsigned int clear) |
423 | { | |
95da310e | 424 | struct usb_serial_port *port = tty->driver_data; |
619a6f1d GKH |
425 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
426 | unsigned long flags; | |
427 | u8 control; | |
428 | ||
429 | spin_lock_irqsave(&priv->lock, flags); | |
430 | if (set & TIOCM_RTS) | |
431 | priv->line_control |= MCR_RTS; | |
432 | if (set & TIOCM_DTR) | |
433 | priv->line_control |= MCR_DTR; | |
434 | if (clear & TIOCM_RTS) | |
435 | priv->line_control &= ~MCR_RTS; | |
436 | if (clear & TIOCM_DTR) | |
437 | priv->line_control &= ~MCR_DTR; | |
438 | control = priv->line_control; | |
439 | spin_unlock_irqrestore(&priv->lock, flags); | |
440 | ||
8413d2fd | 441 | return spcp8x5_set_ctrl_line(port, control); |
619a6f1d GKH |
442 | } |
443 | ||
60b33c13 | 444 | static int spcp8x5_tiocmget(struct tty_struct *tty) |
619a6f1d | 445 | { |
95da310e | 446 | struct usb_serial_port *port = tty->driver_data; |
619a6f1d GKH |
447 | struct spcp8x5_private *priv = usb_get_serial_port_data(port); |
448 | unsigned long flags; | |
449 | unsigned int mcr; | |
e1ed212d | 450 | u8 status; |
619a6f1d GKH |
451 | unsigned int result; |
452 | ||
e1ed212d JH |
453 | result = spcp8x5_get_msr(port, &status); |
454 | if (result) | |
455 | return result; | |
456 | ||
619a6f1d GKH |
457 | spin_lock_irqsave(&priv->lock, flags); |
458 | mcr = priv->line_control; | |
619a6f1d GKH |
459 | spin_unlock_irqrestore(&priv->lock, flags); |
460 | ||
461 | result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0) | |
462 | | ((mcr & MCR_RTS) ? TIOCM_RTS : 0) | |
463 | | ((status & MSR_STATUS_LINE_CTS) ? TIOCM_CTS : 0) | |
464 | | ((status & MSR_STATUS_LINE_DSR) ? TIOCM_DSR : 0) | |
465 | | ((status & MSR_STATUS_LINE_RI) ? TIOCM_RI : 0) | |
466 | | ((status & MSR_STATUS_LINE_DCD) ? TIOCM_CD : 0); | |
467 | ||
468 | return result; | |
469 | } | |
470 | ||
619a6f1d GKH |
471 | static struct usb_serial_driver spcp8x5_device = { |
472 | .driver = { | |
473 | .owner = THIS_MODULE, | |
474 | .name = "SPCP8x5", | |
475 | }, | |
476 | .id_table = id_table, | |
619a6f1d | 477 | .num_ports = 1, |
2d816ac6 | 478 | .open = spcp8x5_open, |
335f8514 AC |
479 | .dtr_rts = spcp8x5_dtr_rts, |
480 | .carrier_raised = spcp8x5_carrier_raised, | |
2d816ac6 | 481 | .set_termios = spcp8x5_set_termios, |
fe1ae7fd | 482 | .init_termios = spcp8x5_init_termios, |
2d816ac6 JH |
483 | .tiocmget = spcp8x5_tiocmget, |
484 | .tiocmset = spcp8x5_tiocmset, | |
4d63143d | 485 | .probe = spcp8x5_probe, |
bf90ff5f JH |
486 | .port_probe = spcp8x5_port_probe, |
487 | .port_remove = spcp8x5_port_remove, | |
619a6f1d GKH |
488 | }; |
489 | ||
d860322f AS |
490 | static struct usb_serial_driver * const serial_drivers[] = { |
491 | &spcp8x5_device, NULL | |
492 | }; | |
493 | ||
68e24113 | 494 | module_usb_serial_driver(serial_drivers, id_table); |
619a6f1d GKH |
495 | |
496 | MODULE_DESCRIPTION(DRIVER_DESC); | |
619a6f1d | 497 | MODULE_LICENSE("GPL"); |