1 // SPDX-License-Identifier: GPL-2.0+
3 * TI 3410/5052 USB Serial Driver
5 * Copyright (C) 2004 Texas Instruments
7 * This driver is based on the Linux io_ti driver, which is
8 * Copyright (C) 2000-2002 Inside Out Networks
9 * Copyright (C) 2001-2002 Greg Kroah-Hartman
11 * For questions or problems with this driver, contact Texas Instruments
12 * technical support, or Al Borchers <alborchers@steinerpoint.com>, or
13 * Peter Berger <pberger@brimson.com>.
16 #include <linux/kernel.h>
17 #include <linux/errno.h>
18 #include <linux/firmware.h>
19 #include <linux/slab.h>
20 #include <linux/tty.h>
21 #include <linux/tty_driver.h>
22 #include <linux/tty_flip.h>
23 #include <linux/module.h>
24 #include <linux/spinlock.h>
25 #include <linux/ioctl.h>
26 #include <linux/serial.h>
27 #include <linux/kfifo.h>
28 #include <linux/mutex.h>
29 #include <linux/uaccess.h>
30 #include <linux/usb.h>
31 #include <linux/usb/serial.h>
33 /* Configuration ids */
34 #define TI_BOOT_CONFIG 1
35 #define TI_ACTIVE_CONFIG 2
37 /* Vendor and product ids */
38 #define TI_VENDOR_ID 0x0451
39 #define IBM_VENDOR_ID 0x04b3
40 #define TI_3410_PRODUCT_ID 0x3410
41 #define IBM_4543_PRODUCT_ID 0x4543
42 #define IBM_454B_PRODUCT_ID 0x454b
43 #define IBM_454C_PRODUCT_ID 0x454c
44 #define TI_3410_EZ430_ID 0xF430 /* TI ez430 development tool */
45 #define TI_5052_BOOT_PRODUCT_ID 0x5052 /* no EEPROM, no firmware */
46 #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */
47 #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */
48 #define TI_5052_FIRMWARE_PRODUCT_ID 0x505F /* firmware is running */
49 #define FRI2_PRODUCT_ID 0x5053 /* Fish River Island II */
51 /* Multi-Tech vendor and product ids */
52 #define MTS_VENDOR_ID 0x06E0
53 #define MTS_GSM_NO_FW_PRODUCT_ID 0xF108
54 #define MTS_CDMA_NO_FW_PRODUCT_ID 0xF109
55 #define MTS_CDMA_PRODUCT_ID 0xF110
56 #define MTS_GSM_PRODUCT_ID 0xF111
57 #define MTS_EDGE_PRODUCT_ID 0xF112
58 #define MTS_MT9234MU_PRODUCT_ID 0xF114
59 #define MTS_MT9234ZBA_PRODUCT_ID 0xF115
60 #define MTS_MT9234ZBAOLD_PRODUCT_ID 0x0319
62 /* Abbott Diabetics vendor and product ids */
63 #define ABBOTT_VENDOR_ID 0x1a61
64 #define ABBOTT_STEREO_PLUG_ID 0x3410
65 #define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID
66 #define ABBOTT_STRIP_PORT_ID 0x3420
68 /* Honeywell vendor and product IDs */
69 #define HONEYWELL_VENDOR_ID 0x10ac
70 #define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */
72 /* Moxa UPORT 11x0 vendor and product IDs */
73 #define MXU1_VENDOR_ID 0x110a
74 #define MXU1_1110_PRODUCT_ID 0x1110
75 #define MXU1_1130_PRODUCT_ID 0x1130
76 #define MXU1_1150_PRODUCT_ID 0x1150
77 #define MXU1_1151_PRODUCT_ID 0x1151
78 #define MXU1_1131_PRODUCT_ID 0x1131
81 #define TI_GET_VERSION 0x01
82 #define TI_GET_PORT_STATUS 0x02
83 #define TI_GET_PORT_DEV_INFO 0x03
84 #define TI_GET_CONFIG 0x04
85 #define TI_SET_CONFIG 0x05
86 #define TI_OPEN_PORT 0x06
87 #define TI_CLOSE_PORT 0x07
88 #define TI_START_PORT 0x08
89 #define TI_STOP_PORT 0x09
90 #define TI_TEST_PORT 0x0A
91 #define TI_PURGE_PORT 0x0B
92 #define TI_RESET_EXT_DEVICE 0x0C
93 #define TI_WRITE_DATA 0x80
94 #define TI_READ_DATA 0x81
95 #define TI_REQ_TYPE_CLASS 0x82
97 /* Module identifiers */
98 #define TI_I2C_PORT 0x01
99 #define TI_IEEE1284_PORT 0x02
100 #define TI_UART1_PORT 0x03
101 #define TI_UART2_PORT 0x04
102 #define TI_RAM_PORT 0x05
105 #define TI_MSR_DELTA_CTS 0x01
106 #define TI_MSR_DELTA_DSR 0x02
107 #define TI_MSR_DELTA_RI 0x04
108 #define TI_MSR_DELTA_CD 0x08
109 #define TI_MSR_CTS 0x10
110 #define TI_MSR_DSR 0x20
111 #define TI_MSR_RI 0x40
112 #define TI_MSR_CD 0x80
113 #define TI_MSR_DELTA_MASK 0x0F
114 #define TI_MSR_MASK 0xF0
117 #define TI_LSR_OVERRUN_ERROR 0x01
118 #define TI_LSR_PARITY_ERROR 0x02
119 #define TI_LSR_FRAMING_ERROR 0x04
120 #define TI_LSR_BREAK 0x08
121 #define TI_LSR_ERROR 0x0F
122 #define TI_LSR_RX_FULL 0x10
123 #define TI_LSR_TX_EMPTY 0x20
126 #define TI_LCR_BREAK 0x40
129 #define TI_MCR_LOOP 0x04
130 #define TI_MCR_DTR 0x10
131 #define TI_MCR_RTS 0x20
134 #define TI_UART_ENABLE_RTS_IN 0x0001
135 #define TI_UART_DISABLE_RTS 0x0002
136 #define TI_UART_ENABLE_PARITY_CHECKING 0x0008
137 #define TI_UART_ENABLE_DSR_OUT 0x0010
138 #define TI_UART_ENABLE_CTS_OUT 0x0020
139 #define TI_UART_ENABLE_X_OUT 0x0040
140 #define TI_UART_ENABLE_XA_OUT 0x0080
141 #define TI_UART_ENABLE_X_IN 0x0100
142 #define TI_UART_ENABLE_DTR_IN 0x0800
143 #define TI_UART_DISABLE_DTR 0x1000
144 #define TI_UART_ENABLE_MS_INTS 0x2000
145 #define TI_UART_ENABLE_AUTO_START_DMA 0x4000
148 #define TI_UART_NO_PARITY 0x00
149 #define TI_UART_ODD_PARITY 0x01
150 #define TI_UART_EVEN_PARITY 0x02
151 #define TI_UART_MARK_PARITY 0x03
152 #define TI_UART_SPACE_PARITY 0x04
155 #define TI_UART_1_STOP_BITS 0x00
156 #define TI_UART_1_5_STOP_BITS 0x01
157 #define TI_UART_2_STOP_BITS 0x02
159 /* Bits per character */
160 #define TI_UART_5_DATA_BITS 0x00
161 #define TI_UART_6_DATA_BITS 0x01
162 #define TI_UART_7_DATA_BITS 0x02
163 #define TI_UART_8_DATA_BITS 0x03
166 #define TI_UART_232 0x00
167 #define TI_UART_485_RECEIVER_DISABLED 0x01
168 #define TI_UART_485_RECEIVER_ENABLED 0x02
170 /* Pipe transfer mode and timeout */
171 #define TI_PIPE_MODE_CONTINUOUS 0x01
172 #define TI_PIPE_MODE_MASK 0x03
173 #define TI_PIPE_TIMEOUT_MASK 0x7C
174 #define TI_PIPE_TIMEOUT_ENABLE 0x80
177 struct ti_uart_config
{
188 /* Get port status */
189 struct ti_port_status
{
198 #define TI_PURGE_OUTPUT 0x00
199 #define TI_PURGE_INPUT 0x80
201 /* Read/Write data */
202 #define TI_RW_DATA_ADDR_SFR 0x10
203 #define TI_RW_DATA_ADDR_IDATA 0x20
204 #define TI_RW_DATA_ADDR_XDATA 0x30
205 #define TI_RW_DATA_ADDR_CODE 0x40
206 #define TI_RW_DATA_ADDR_GPIO 0x50
207 #define TI_RW_DATA_ADDR_I2C 0x60
208 #define TI_RW_DATA_ADDR_FLASH 0x70
209 #define TI_RW_DATA_ADDR_DSP 0x80
211 #define TI_RW_DATA_UNSPECIFIED 0x00
212 #define TI_RW_DATA_BYTE 0x01
213 #define TI_RW_DATA_WORD 0x02
214 #define TI_RW_DATA_DOUBLE_WORD 0x04
216 struct ti_write_data_bytes
{
225 struct ti_read_data_request
{
233 struct ti_read_data_bytes
{
240 /* Interrupt struct */
241 struct ti_interrupt
{
246 /* Interrupt codes */
247 #define TI_CODE_HARDWARE_ERROR 0xFF
248 #define TI_CODE_DATA_ERROR 0x03
249 #define TI_CODE_MODEM_STATUS 0x04
251 /* Download firmware max packet size */
252 #define TI_DOWNLOAD_MAX_PACKET_SIZE 64
254 /* Firmware image header */
255 struct ti_firmware_header
{
261 #define TI_UART1_BASE_ADDR 0xFFA0 /* UART 1 base address */
262 #define TI_UART2_BASE_ADDR 0xFFB0 /* UART 2 base address */
263 #define TI_UART_OFFSET_LCR 0x0002 /* UART MCR register offset */
264 #define TI_UART_OFFSET_MCR 0x0004 /* UART MCR register offset */
266 #define TI_DRIVER_AUTHOR "Al Borchers <alborchers@steinerpoint.com>"
267 #define TI_DRIVER_DESC "TI USB 3410/5052 Serial Driver"
269 #define TI_FIRMWARE_BUF_SIZE 16284
271 #define TI_TRANSFER_TIMEOUT 2
273 #define TI_DEFAULT_CLOSING_WAIT 4000 /* in .01 secs */
275 /* read urb states */
276 #define TI_READ_URB_RUNNING 0
277 #define TI_READ_URB_STOPPING 1
278 #define TI_READ_URB_STOPPED 2
280 #define TI_EXTRA_VID_PID_COUNT 5
286 u8 tp_uart_mode
; /* 232 or 485 modes */
287 unsigned int tp_uart_base_addr
;
288 struct ti_device
*tp_tdev
;
289 struct usb_serial_port
*tp_port
;
291 int tp_read_urb_state
;
292 int tp_write_urb_in_use
;
296 struct mutex td_open_close_lock
;
297 int td_open_port_count
;
298 struct usb_serial
*td_serial
;
303 static int ti_startup(struct usb_serial
*serial
);
304 static void ti_release(struct usb_serial
*serial
);
305 static int ti_port_probe(struct usb_serial_port
*port
);
306 static int ti_port_remove(struct usb_serial_port
*port
);
307 static int ti_open(struct tty_struct
*tty
, struct usb_serial_port
*port
);
308 static void ti_close(struct usb_serial_port
*port
);
309 static int ti_write(struct tty_struct
*tty
, struct usb_serial_port
*port
,
310 const unsigned char *data
, int count
);
311 static int ti_write_room(struct tty_struct
*tty
);
312 static int ti_chars_in_buffer(struct tty_struct
*tty
);
313 static bool ti_tx_empty(struct usb_serial_port
*port
);
314 static void ti_throttle(struct tty_struct
*tty
);
315 static void ti_unthrottle(struct tty_struct
*tty
);
316 static int ti_ioctl(struct tty_struct
*tty
,
317 unsigned int cmd
, unsigned long arg
);
318 static void ti_set_termios(struct tty_struct
*tty
,
319 struct usb_serial_port
*port
, struct ktermios
*old_termios
);
320 static int ti_tiocmget(struct tty_struct
*tty
);
321 static int ti_tiocmset(struct tty_struct
*tty
,
322 unsigned int set
, unsigned int clear
);
323 static void ti_break(struct tty_struct
*tty
, int break_state
);
324 static void ti_interrupt_callback(struct urb
*urb
);
325 static void ti_bulk_in_callback(struct urb
*urb
);
326 static void ti_bulk_out_callback(struct urb
*urb
);
328 static void ti_recv(struct usb_serial_port
*port
, unsigned char *data
,
330 static void ti_send(struct ti_port
*tport
);
331 static int ti_set_mcr(struct ti_port
*tport
, unsigned int mcr
);
332 static int ti_get_lsr(struct ti_port
*tport
, u8
*lsr
);
333 static int ti_get_serial_info(struct ti_port
*tport
,
334 struct serial_struct __user
*ret_arg
);
335 static int ti_set_serial_info(struct tty_struct
*tty
, struct ti_port
*tport
,
336 struct serial_struct __user
*new_arg
);
337 static void ti_handle_new_msr(struct ti_port
*tport
, u8 msr
);
339 static void ti_stop_read(struct ti_port
*tport
, struct tty_struct
*tty
);
340 static int ti_restart_read(struct ti_port
*tport
, struct tty_struct
*tty
);
342 static int ti_command_out_sync(struct ti_device
*tdev
, __u8 command
,
343 __u16 moduleid
, __u16 value
, __u8
*data
, int size
);
344 static int ti_command_in_sync(struct ti_device
*tdev
, __u8 command
,
345 __u16 moduleid
, __u16 value
, __u8
*data
, int size
);
347 static int ti_write_byte(struct usb_serial_port
*port
, struct ti_device
*tdev
,
348 unsigned long addr
, u8 mask
, u8 byte
);
350 static int ti_download_firmware(struct ti_device
*tdev
);
352 static int closing_wait
= TI_DEFAULT_CLOSING_WAIT
;
354 static const struct usb_device_id ti_id_table_3410
[] = {
355 { USB_DEVICE(TI_VENDOR_ID
, TI_3410_PRODUCT_ID
) },
356 { USB_DEVICE(TI_VENDOR_ID
, TI_3410_EZ430_ID
) },
357 { USB_DEVICE(MTS_VENDOR_ID
, MTS_GSM_NO_FW_PRODUCT_ID
) },
358 { USB_DEVICE(MTS_VENDOR_ID
, MTS_CDMA_NO_FW_PRODUCT_ID
) },
359 { USB_DEVICE(MTS_VENDOR_ID
, MTS_CDMA_PRODUCT_ID
) },
360 { USB_DEVICE(MTS_VENDOR_ID
, MTS_GSM_PRODUCT_ID
) },
361 { USB_DEVICE(MTS_VENDOR_ID
, MTS_EDGE_PRODUCT_ID
) },
362 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234MU_PRODUCT_ID
) },
363 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234ZBA_PRODUCT_ID
) },
364 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234ZBAOLD_PRODUCT_ID
) },
365 { USB_DEVICE(IBM_VENDOR_ID
, IBM_4543_PRODUCT_ID
) },
366 { USB_DEVICE(IBM_VENDOR_ID
, IBM_454B_PRODUCT_ID
) },
367 { USB_DEVICE(IBM_VENDOR_ID
, IBM_454C_PRODUCT_ID
) },
368 { USB_DEVICE(ABBOTT_VENDOR_ID
, ABBOTT_STEREO_PLUG_ID
) },
369 { USB_DEVICE(ABBOTT_VENDOR_ID
, ABBOTT_STRIP_PORT_ID
) },
370 { USB_DEVICE(TI_VENDOR_ID
, FRI2_PRODUCT_ID
) },
371 { USB_DEVICE(HONEYWELL_VENDOR_ID
, HONEYWELL_HGI80_PRODUCT_ID
) },
372 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1110_PRODUCT_ID
) },
373 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1130_PRODUCT_ID
) },
374 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1131_PRODUCT_ID
) },
375 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1150_PRODUCT_ID
) },
376 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1151_PRODUCT_ID
) },
380 static const struct usb_device_id ti_id_table_5052
[] = {
381 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_BOOT_PRODUCT_ID
) },
382 { USB_DEVICE(TI_VENDOR_ID
, TI_5152_BOOT_PRODUCT_ID
) },
383 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_EEPROM_PRODUCT_ID
) },
384 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_FIRMWARE_PRODUCT_ID
) },
388 static const struct usb_device_id ti_id_table_combined
[] = {
389 { USB_DEVICE(TI_VENDOR_ID
, TI_3410_PRODUCT_ID
) },
390 { USB_DEVICE(TI_VENDOR_ID
, TI_3410_EZ430_ID
) },
391 { USB_DEVICE(MTS_VENDOR_ID
, MTS_GSM_NO_FW_PRODUCT_ID
) },
392 { USB_DEVICE(MTS_VENDOR_ID
, MTS_CDMA_NO_FW_PRODUCT_ID
) },
393 { USB_DEVICE(MTS_VENDOR_ID
, MTS_CDMA_PRODUCT_ID
) },
394 { USB_DEVICE(MTS_VENDOR_ID
, MTS_GSM_PRODUCT_ID
) },
395 { USB_DEVICE(MTS_VENDOR_ID
, MTS_EDGE_PRODUCT_ID
) },
396 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234MU_PRODUCT_ID
) },
397 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234ZBA_PRODUCT_ID
) },
398 { USB_DEVICE(MTS_VENDOR_ID
, MTS_MT9234ZBAOLD_PRODUCT_ID
) },
399 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_BOOT_PRODUCT_ID
) },
400 { USB_DEVICE(TI_VENDOR_ID
, TI_5152_BOOT_PRODUCT_ID
) },
401 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_EEPROM_PRODUCT_ID
) },
402 { USB_DEVICE(TI_VENDOR_ID
, TI_5052_FIRMWARE_PRODUCT_ID
) },
403 { USB_DEVICE(IBM_VENDOR_ID
, IBM_4543_PRODUCT_ID
) },
404 { USB_DEVICE(IBM_VENDOR_ID
, IBM_454B_PRODUCT_ID
) },
405 { USB_DEVICE(IBM_VENDOR_ID
, IBM_454C_PRODUCT_ID
) },
406 { USB_DEVICE(ABBOTT_VENDOR_ID
, ABBOTT_PRODUCT_ID
) },
407 { USB_DEVICE(ABBOTT_VENDOR_ID
, ABBOTT_STRIP_PORT_ID
) },
408 { USB_DEVICE(TI_VENDOR_ID
, FRI2_PRODUCT_ID
) },
409 { USB_DEVICE(HONEYWELL_VENDOR_ID
, HONEYWELL_HGI80_PRODUCT_ID
) },
410 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1110_PRODUCT_ID
) },
411 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1130_PRODUCT_ID
) },
412 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1131_PRODUCT_ID
) },
413 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1150_PRODUCT_ID
) },
414 { USB_DEVICE(MXU1_VENDOR_ID
, MXU1_1151_PRODUCT_ID
) },
418 static struct usb_serial_driver ti_1port_device
= {
420 .owner
= THIS_MODULE
,
421 .name
= "ti_usb_3410_5052_1",
423 .description
= "TI USB 3410 1 port adapter",
424 .id_table
= ti_id_table_3410
,
427 .attach
= ti_startup
,
428 .release
= ti_release
,
429 .port_probe
= ti_port_probe
,
430 .port_remove
= ti_port_remove
,
434 .write_room
= ti_write_room
,
435 .chars_in_buffer
= ti_chars_in_buffer
,
436 .tx_empty
= ti_tx_empty
,
437 .throttle
= ti_throttle
,
438 .unthrottle
= ti_unthrottle
,
440 .set_termios
= ti_set_termios
,
441 .tiocmget
= ti_tiocmget
,
442 .tiocmset
= ti_tiocmset
,
443 .tiocmiwait
= usb_serial_generic_tiocmiwait
,
444 .get_icount
= usb_serial_generic_get_icount
,
445 .break_ctl
= ti_break
,
446 .read_int_callback
= ti_interrupt_callback
,
447 .read_bulk_callback
= ti_bulk_in_callback
,
448 .write_bulk_callback
= ti_bulk_out_callback
,
451 static struct usb_serial_driver ti_2port_device
= {
453 .owner
= THIS_MODULE
,
454 .name
= "ti_usb_3410_5052_2",
456 .description
= "TI USB 5052 2 port adapter",
457 .id_table
= ti_id_table_5052
,
460 .attach
= ti_startup
,
461 .release
= ti_release
,
462 .port_probe
= ti_port_probe
,
463 .port_remove
= ti_port_remove
,
467 .write_room
= ti_write_room
,
468 .chars_in_buffer
= ti_chars_in_buffer
,
469 .tx_empty
= ti_tx_empty
,
470 .throttle
= ti_throttle
,
471 .unthrottle
= ti_unthrottle
,
473 .set_termios
= ti_set_termios
,
474 .tiocmget
= ti_tiocmget
,
475 .tiocmset
= ti_tiocmset
,
476 .tiocmiwait
= usb_serial_generic_tiocmiwait
,
477 .get_icount
= usb_serial_generic_get_icount
,
478 .break_ctl
= ti_break
,
479 .read_int_callback
= ti_interrupt_callback
,
480 .read_bulk_callback
= ti_bulk_in_callback
,
481 .write_bulk_callback
= ti_bulk_out_callback
,
484 static struct usb_serial_driver
* const serial_drivers
[] = {
485 &ti_1port_device
, &ti_2port_device
, NULL
488 MODULE_AUTHOR(TI_DRIVER_AUTHOR
);
489 MODULE_DESCRIPTION(TI_DRIVER_DESC
);
490 MODULE_LICENSE("GPL");
492 MODULE_FIRMWARE("ti_3410.fw");
493 MODULE_FIRMWARE("ti_5052.fw");
494 MODULE_FIRMWARE("mts_cdma.fw");
495 MODULE_FIRMWARE("mts_gsm.fw");
496 MODULE_FIRMWARE("mts_edge.fw");
497 MODULE_FIRMWARE("mts_mt9234mu.fw");
498 MODULE_FIRMWARE("mts_mt9234zba.fw");
499 MODULE_FIRMWARE("moxa/moxa-1110.fw");
500 MODULE_FIRMWARE("moxa/moxa-1130.fw");
501 MODULE_FIRMWARE("moxa/moxa-1131.fw");
502 MODULE_FIRMWARE("moxa/moxa-1150.fw");
503 MODULE_FIRMWARE("moxa/moxa-1151.fw");
505 module_param(closing_wait
, int, S_IRUGO
| S_IWUSR
);
506 MODULE_PARM_DESC(closing_wait
,
507 "Maximum wait for data to drain in close, in .01 secs, default is 4000");
509 MODULE_DEVICE_TABLE(usb
, ti_id_table_combined
);
511 module_usb_serial_driver(serial_drivers
, ti_id_table_combined
);
513 static int ti_startup(struct usb_serial
*serial
)
515 struct ti_device
*tdev
;
516 struct usb_device
*dev
= serial
->dev
;
517 struct usb_host_interface
*cur_altsetting
;
523 "%s - product 0x%4X, num configurations %d, configuration value %d\n",
524 __func__
, le16_to_cpu(dev
->descriptor
.idProduct
),
525 dev
->descriptor
.bNumConfigurations
,
526 dev
->actconfig
->desc
.bConfigurationValue
);
528 tdev
= kzalloc(sizeof(struct ti_device
), GFP_KERNEL
);
532 mutex_init(&tdev
->td_open_close_lock
);
533 tdev
->td_serial
= serial
;
534 usb_set_serial_data(serial
, tdev
);
536 /* determine device type */
537 if (serial
->type
== &ti_1port_device
)
538 tdev
->td_is_3410
= 1;
539 dev_dbg(&dev
->dev
, "%s - device type is %s\n", __func__
,
540 tdev
->td_is_3410
? "3410" : "5052");
542 vid
= le16_to_cpu(dev
->descriptor
.idVendor
);
543 pid
= le16_to_cpu(dev
->descriptor
.idProduct
);
544 if (vid
== MXU1_VENDOR_ID
) {
546 case MXU1_1130_PRODUCT_ID
:
547 case MXU1_1131_PRODUCT_ID
:
548 tdev
->td_rs485_only
= true;
553 cur_altsetting
= serial
->interface
->cur_altsetting
;
554 num_endpoints
= cur_altsetting
->desc
.bNumEndpoints
;
556 /* if we have only 1 configuration and 1 endpoint, download firmware */
557 if (dev
->descriptor
.bNumConfigurations
== 1 && num_endpoints
== 1) {
558 status
= ti_download_firmware(tdev
);
563 /* 3410 must be reset, 5052 resets itself */
564 if (tdev
->td_is_3410
) {
565 msleep_interruptible(100);
566 usb_reset_device(dev
);
573 /* the second configuration must be set */
574 if (dev
->actconfig
->desc
.bConfigurationValue
== TI_BOOT_CONFIG
) {
575 status
= usb_driver_set_configuration(dev
, TI_ACTIVE_CONFIG
);
576 status
= status
? status
: -ENODEV
;
580 if (serial
->num_bulk_in
< serial
->num_ports
||
581 serial
->num_bulk_out
< serial
->num_ports
) {
582 dev_err(&serial
->interface
->dev
, "missing endpoints\n");
591 usb_set_serial_data(serial
, NULL
);
596 static void ti_release(struct usb_serial
*serial
)
598 struct ti_device
*tdev
= usb_get_serial_data(serial
);
603 static int ti_port_probe(struct usb_serial_port
*port
)
605 struct ti_port
*tport
;
607 tport
= kzalloc(sizeof(*tport
), GFP_KERNEL
);
611 spin_lock_init(&tport
->tp_lock
);
612 if (port
== port
->serial
->port
[0])
613 tport
->tp_uart_base_addr
= TI_UART1_BASE_ADDR
;
615 tport
->tp_uart_base_addr
= TI_UART2_BASE_ADDR
;
616 port
->port
.closing_wait
= msecs_to_jiffies(10 * closing_wait
);
617 tport
->tp_port
= port
;
618 tport
->tp_tdev
= usb_get_serial_data(port
->serial
);
620 if (tport
->tp_tdev
->td_rs485_only
)
621 tport
->tp_uart_mode
= TI_UART_485_RECEIVER_DISABLED
;
623 tport
->tp_uart_mode
= TI_UART_232
;
625 usb_set_serial_port_data(port
, tport
);
627 port
->port
.drain_delay
= 3;
632 static int ti_port_remove(struct usb_serial_port
*port
)
634 struct ti_port
*tport
;
636 tport
= usb_get_serial_port_data(port
);
642 static int ti_open(struct tty_struct
*tty
, struct usb_serial_port
*port
)
644 struct ti_port
*tport
= usb_get_serial_port_data(port
);
645 struct ti_device
*tdev
;
646 struct usb_device
*dev
;
652 open_settings
= (TI_PIPE_MODE_CONTINUOUS
|
653 TI_PIPE_TIMEOUT_ENABLE
|
654 (TI_TRANSFER_TIMEOUT
<< 2));
656 dev
= port
->serial
->dev
;
657 tdev
= tport
->tp_tdev
;
659 /* only one open on any port on a device at a time */
660 if (mutex_lock_interruptible(&tdev
->td_open_close_lock
))
663 port_number
= port
->port_number
;
666 tport
->tp_shadow_mcr
|= (TI_MCR_RTS
| TI_MCR_DTR
);
668 /* start interrupt urb the first time a port is opened on this device */
669 if (tdev
->td_open_port_count
== 0) {
670 dev_dbg(&port
->dev
, "%s - start interrupt in urb\n", __func__
);
671 urb
= tdev
->td_serial
->port
[0]->interrupt_in_urb
;
673 dev_err(&port
->dev
, "%s - no interrupt urb\n", __func__
);
678 status
= usb_submit_urb(urb
, GFP_KERNEL
);
680 dev_err(&port
->dev
, "%s - submit interrupt urb failed, %d\n", __func__
, status
);
686 ti_set_termios(tty
, port
, &tty
->termios
);
688 status
= ti_command_out_sync(tdev
, TI_OPEN_PORT
,
689 (__u8
)(TI_UART1_PORT
+ port_number
), open_settings
, NULL
, 0);
691 dev_err(&port
->dev
, "%s - cannot send open command, %d\n",
696 status
= ti_command_out_sync(tdev
, TI_START_PORT
,
697 (__u8
)(TI_UART1_PORT
+ port_number
), 0, NULL
, 0);
699 dev_err(&port
->dev
, "%s - cannot send start command, %d\n",
704 status
= ti_command_out_sync(tdev
, TI_PURGE_PORT
,
705 (__u8
)(TI_UART1_PORT
+ port_number
), TI_PURGE_INPUT
, NULL
, 0);
707 dev_err(&port
->dev
, "%s - cannot clear input buffers, %d\n",
711 status
= ti_command_out_sync(tdev
, TI_PURGE_PORT
,
712 (__u8
)(TI_UART1_PORT
+ port_number
), TI_PURGE_OUTPUT
, NULL
, 0);
714 dev_err(&port
->dev
, "%s - cannot clear output buffers, %d\n",
719 /* reset the data toggle on the bulk endpoints to work around bug in
720 * host controllers where things get out of sync some times */
721 usb_clear_halt(dev
, port
->write_urb
->pipe
);
722 usb_clear_halt(dev
, port
->read_urb
->pipe
);
725 ti_set_termios(tty
, port
, &tty
->termios
);
727 status
= ti_command_out_sync(tdev
, TI_OPEN_PORT
,
728 (__u8
)(TI_UART1_PORT
+ port_number
), open_settings
, NULL
, 0);
730 dev_err(&port
->dev
, "%s - cannot send open command (2), %d\n",
735 status
= ti_command_out_sync(tdev
, TI_START_PORT
,
736 (__u8
)(TI_UART1_PORT
+ port_number
), 0, NULL
, 0);
738 dev_err(&port
->dev
, "%s - cannot send start command (2), %d\n",
744 urb
= port
->read_urb
;
746 dev_err(&port
->dev
, "%s - no read urb\n", __func__
);
750 tport
->tp_read_urb_state
= TI_READ_URB_RUNNING
;
751 urb
->context
= tport
;
752 status
= usb_submit_urb(urb
, GFP_KERNEL
);
754 dev_err(&port
->dev
, "%s - submit read urb failed, %d\n",
759 tport
->tp_is_open
= 1;
760 ++tdev
->td_open_port_count
;
765 if (tdev
->td_open_port_count
== 0)
766 usb_kill_urb(port
->serial
->port
[0]->interrupt_in_urb
);
768 mutex_unlock(&tdev
->td_open_close_lock
);
773 static void ti_close(struct usb_serial_port
*port
)
775 struct ti_device
*tdev
;
776 struct ti_port
*tport
;
781 tdev
= usb_get_serial_data(port
->serial
);
782 tport
= usb_get_serial_port_data(port
);
784 tport
->tp_is_open
= 0;
786 usb_kill_urb(port
->read_urb
);
787 usb_kill_urb(port
->write_urb
);
788 tport
->tp_write_urb_in_use
= 0;
789 spin_lock_irqsave(&tport
->tp_lock
, flags
);
790 kfifo_reset_out(&port
->write_fifo
);
791 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
793 port_number
= port
->port_number
;
795 status
= ti_command_out_sync(tdev
, TI_CLOSE_PORT
,
796 (__u8
)(TI_UART1_PORT
+ port_number
), 0, NULL
, 0);
799 "%s - cannot send close port command, %d\n"
802 mutex_lock(&tdev
->td_open_close_lock
);
803 --tport
->tp_tdev
->td_open_port_count
;
804 if (tport
->tp_tdev
->td_open_port_count
== 0) {
805 /* last port is closed, shut down interrupt urb */
806 usb_kill_urb(port
->serial
->port
[0]->interrupt_in_urb
);
808 mutex_unlock(&tdev
->td_open_close_lock
);
812 static int ti_write(struct tty_struct
*tty
, struct usb_serial_port
*port
,
813 const unsigned char *data
, int count
)
815 struct ti_port
*tport
= usb_get_serial_port_data(port
);
821 if (!tport
->tp_is_open
)
824 count
= kfifo_in_locked(&port
->write_fifo
, data
, count
,
832 static int ti_write_room(struct tty_struct
*tty
)
834 struct usb_serial_port
*port
= tty
->driver_data
;
835 struct ti_port
*tport
= usb_get_serial_port_data(port
);
839 spin_lock_irqsave(&tport
->tp_lock
, flags
);
840 room
= kfifo_avail(&port
->write_fifo
);
841 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
843 dev_dbg(&port
->dev
, "%s - returns %d\n", __func__
, room
);
848 static int ti_chars_in_buffer(struct tty_struct
*tty
)
850 struct usb_serial_port
*port
= tty
->driver_data
;
851 struct ti_port
*tport
= usb_get_serial_port_data(port
);
855 spin_lock_irqsave(&tport
->tp_lock
, flags
);
856 chars
= kfifo_len(&port
->write_fifo
);
857 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
859 dev_dbg(&port
->dev
, "%s - returns %d\n", __func__
, chars
);
863 static bool ti_tx_empty(struct usb_serial_port
*port
)
865 struct ti_port
*tport
= usb_get_serial_port_data(port
);
869 ret
= ti_get_lsr(tport
, &lsr
);
870 if (!ret
&& !(lsr
& TI_LSR_TX_EMPTY
))
876 static void ti_throttle(struct tty_struct
*tty
)
878 struct usb_serial_port
*port
= tty
->driver_data
;
879 struct ti_port
*tport
= usb_get_serial_port_data(port
);
881 if (I_IXOFF(tty
) || C_CRTSCTS(tty
))
882 ti_stop_read(tport
, tty
);
887 static void ti_unthrottle(struct tty_struct
*tty
)
889 struct usb_serial_port
*port
= tty
->driver_data
;
890 struct ti_port
*tport
= usb_get_serial_port_data(port
);
893 if (I_IXOFF(tty
) || C_CRTSCTS(tty
)) {
894 status
= ti_restart_read(tport
, tty
);
896 dev_err(&port
->dev
, "%s - cannot restart read, %d\n",
901 static int ti_ioctl(struct tty_struct
*tty
,
902 unsigned int cmd
, unsigned long arg
)
904 struct usb_serial_port
*port
= tty
->driver_data
;
905 struct ti_port
*tport
= usb_get_serial_port_data(port
);
909 return ti_get_serial_info(tport
,
910 (struct serial_struct __user
*)arg
);
912 return ti_set_serial_info(tty
, tport
,
913 (struct serial_struct __user
*)arg
);
919 static void ti_set_termios(struct tty_struct
*tty
,
920 struct usb_serial_port
*port
, struct ktermios
*old_termios
)
922 struct ti_port
*tport
= usb_get_serial_port_data(port
);
923 struct ti_uart_config
*config
;
926 int port_number
= port
->port_number
;
931 config
= kmalloc(sizeof(*config
), GFP_KERNEL
);
935 /* these flags must be set */
936 wflags
|= TI_UART_ENABLE_MS_INTS
;
937 wflags
|= TI_UART_ENABLE_AUTO_START_DMA
;
938 config
->bUartMode
= tport
->tp_uart_mode
;
940 switch (C_CSIZE(tty
)) {
942 config
->bDataBits
= TI_UART_5_DATA_BITS
;
945 config
->bDataBits
= TI_UART_6_DATA_BITS
;
948 config
->bDataBits
= TI_UART_7_DATA_BITS
;
952 config
->bDataBits
= TI_UART_8_DATA_BITS
;
956 /* CMSPAR isn't supported by this driver */
957 tty
->termios
.c_cflag
&= ~CMSPAR
;
961 wflags
|= TI_UART_ENABLE_PARITY_CHECKING
;
962 config
->bParity
= TI_UART_ODD_PARITY
;
964 wflags
|= TI_UART_ENABLE_PARITY_CHECKING
;
965 config
->bParity
= TI_UART_EVEN_PARITY
;
968 wflags
&= ~TI_UART_ENABLE_PARITY_CHECKING
;
969 config
->bParity
= TI_UART_NO_PARITY
;
973 config
->bStopBits
= TI_UART_2_STOP_BITS
;
975 config
->bStopBits
= TI_UART_1_STOP_BITS
;
977 if (C_CRTSCTS(tty
)) {
978 /* RTS flow control must be off to drop RTS for baud rate B0 */
979 if ((C_BAUD(tty
)) != B0
)
980 wflags
|= TI_UART_ENABLE_RTS_IN
;
981 wflags
|= TI_UART_ENABLE_CTS_OUT
;
983 ti_restart_read(tport
, tty
);
986 if (I_IXOFF(tty
) || I_IXON(tty
)) {
987 config
->cXon
= START_CHAR(tty
);
988 config
->cXoff
= STOP_CHAR(tty
);
991 wflags
|= TI_UART_ENABLE_X_IN
;
993 ti_restart_read(tport
, tty
);
996 wflags
|= TI_UART_ENABLE_X_OUT
;
999 baud
= tty_get_baud_rate(tty
);
1002 if (tport
->tp_tdev
->td_is_3410
)
1003 wbaudrate
= (923077 + baud
/2) / baud
;
1005 wbaudrate
= (461538 + baud
/2) / baud
;
1007 /* FIXME: Should calculate resulting baud here and report it back */
1008 if ((C_BAUD(tty
)) != B0
)
1009 tty_encode_baud_rate(tty
, baud
, baud
);
1012 "%s - BaudRate=%d, wBaudRate=%d, wFlags=0x%04X, bDataBits=%d, bParity=%d, bStopBits=%d, cXon=%d, cXoff=%d, bUartMode=%d\n",
1013 __func__
, baud
, wbaudrate
, wflags
,
1014 config
->bDataBits
, config
->bParity
, config
->bStopBits
,
1015 config
->cXon
, config
->cXoff
, config
->bUartMode
);
1017 config
->wBaudRate
= cpu_to_be16(wbaudrate
);
1018 config
->wFlags
= cpu_to_be16(wflags
);
1020 status
= ti_command_out_sync(tport
->tp_tdev
, TI_SET_CONFIG
,
1021 (__u8
)(TI_UART1_PORT
+ port_number
), 0, (__u8
*)config
,
1024 dev_err(&port
->dev
, "%s - cannot set config on port %d, %d\n",
1025 __func__
, port_number
, status
);
1027 /* SET_CONFIG asserts RTS and DTR, reset them correctly */
1028 mcr
= tport
->tp_shadow_mcr
;
1029 /* if baud rate is B0, clear RTS and DTR */
1030 if (C_BAUD(tty
) == B0
)
1031 mcr
&= ~(TI_MCR_DTR
| TI_MCR_RTS
);
1032 status
= ti_set_mcr(tport
, mcr
);
1035 "%s - cannot set modem control on port %d, %d\n",
1036 __func__
, port_number
, status
);
1042 static int ti_tiocmget(struct tty_struct
*tty
)
1044 struct usb_serial_port
*port
= tty
->driver_data
;
1045 struct ti_port
*tport
= usb_get_serial_port_data(port
);
1046 unsigned int result
;
1049 unsigned long flags
;
1051 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1052 msr
= tport
->tp_msr
;
1053 mcr
= tport
->tp_shadow_mcr
;
1054 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1056 result
= ((mcr
& TI_MCR_DTR
) ? TIOCM_DTR
: 0)
1057 | ((mcr
& TI_MCR_RTS
) ? TIOCM_RTS
: 0)
1058 | ((mcr
& TI_MCR_LOOP
) ? TIOCM_LOOP
: 0)
1059 | ((msr
& TI_MSR_CTS
) ? TIOCM_CTS
: 0)
1060 | ((msr
& TI_MSR_CD
) ? TIOCM_CAR
: 0)
1061 | ((msr
& TI_MSR_RI
) ? TIOCM_RI
: 0)
1062 | ((msr
& TI_MSR_DSR
) ? TIOCM_DSR
: 0);
1064 dev_dbg(&port
->dev
, "%s - 0x%04X\n", __func__
, result
);
1070 static int ti_tiocmset(struct tty_struct
*tty
,
1071 unsigned int set
, unsigned int clear
)
1073 struct usb_serial_port
*port
= tty
->driver_data
;
1074 struct ti_port
*tport
= usb_get_serial_port_data(port
);
1076 unsigned long flags
;
1078 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1079 mcr
= tport
->tp_shadow_mcr
;
1081 if (set
& TIOCM_RTS
)
1083 if (set
& TIOCM_DTR
)
1085 if (set
& TIOCM_LOOP
)
1088 if (clear
& TIOCM_RTS
)
1090 if (clear
& TIOCM_DTR
)
1092 if (clear
& TIOCM_LOOP
)
1093 mcr
&= ~TI_MCR_LOOP
;
1094 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1096 return ti_set_mcr(tport
, mcr
);
1100 static void ti_break(struct tty_struct
*tty
, int break_state
)
1102 struct usb_serial_port
*port
= tty
->driver_data
;
1103 struct ti_port
*tport
= usb_get_serial_port_data(port
);
1106 dev_dbg(&port
->dev
, "%s - state = %d\n", __func__
, break_state
);
1108 status
= ti_write_byte(port
, tport
->tp_tdev
,
1109 tport
->tp_uart_base_addr
+ TI_UART_OFFSET_LCR
,
1110 TI_LCR_BREAK
, break_state
== -1 ? TI_LCR_BREAK
: 0);
1113 dev_dbg(&port
->dev
, "%s - error setting break, %d\n", __func__
, status
);
1116 static int ti_get_port_from_code(unsigned char code
)
1118 return (code
>> 6) & 0x01;
1121 static int ti_get_func_from_code(unsigned char code
)
1126 static void ti_interrupt_callback(struct urb
*urb
)
1128 struct ti_device
*tdev
= urb
->context
;
1129 struct usb_serial_port
*port
;
1130 struct usb_serial
*serial
= tdev
->td_serial
;
1131 struct ti_port
*tport
;
1132 struct device
*dev
= &urb
->dev
->dev
;
1133 unsigned char *data
= urb
->transfer_buffer
;
1134 int length
= urb
->actual_length
;
1137 int status
= urb
->status
;
1147 dev_dbg(dev
, "%s - urb shutting down, %d\n", __func__
, status
);
1150 dev_err(dev
, "%s - nonzero urb status, %d\n", __func__
, status
);
1155 dev_dbg(dev
, "%s - bad packet size, %d\n", __func__
, length
);
1159 if (data
[0] == TI_CODE_HARDWARE_ERROR
) {
1160 dev_err(dev
, "%s - hardware error, %d\n", __func__
, data
[1]);
1164 port_number
= ti_get_port_from_code(data
[0]);
1165 function
= ti_get_func_from_code(data
[0]);
1167 dev_dbg(dev
, "%s - port_number %d, function %d, data 0x%02X\n",
1168 __func__
, port_number
, function
, data
[1]);
1170 if (port_number
>= serial
->num_ports
) {
1171 dev_err(dev
, "%s - bad port number, %d\n",
1172 __func__
, port_number
);
1176 port
= serial
->port
[port_number
];
1178 tport
= usb_get_serial_port_data(port
);
1183 case TI_CODE_DATA_ERROR
:
1184 dev_err(dev
, "%s - DATA ERROR, port %d, data 0x%02X\n",
1185 __func__
, port_number
, data
[1]);
1188 case TI_CODE_MODEM_STATUS
:
1190 dev_dbg(dev
, "%s - port %d, msr 0x%02X\n", __func__
, port_number
, msr
);
1191 ti_handle_new_msr(tport
, msr
);
1195 dev_err(dev
, "%s - unknown interrupt code, 0x%02X\n",
1201 retval
= usb_submit_urb(urb
, GFP_ATOMIC
);
1203 dev_err(dev
, "%s - resubmit interrupt urb failed, %d\n",
1208 static void ti_bulk_in_callback(struct urb
*urb
)
1210 struct ti_port
*tport
= urb
->context
;
1211 struct usb_serial_port
*port
= tport
->tp_port
;
1212 struct device
*dev
= &urb
->dev
->dev
;
1213 int status
= urb
->status
;
1222 dev_dbg(dev
, "%s - urb shutting down, %d\n", __func__
, status
);
1225 dev_err(dev
, "%s - nonzero urb status, %d\n",
1229 if (status
== -EPIPE
)
1233 dev_err(dev
, "%s - stopping read!\n", __func__
);
1237 if (urb
->actual_length
) {
1238 usb_serial_debug_data(dev
, __func__
, urb
->actual_length
,
1239 urb
->transfer_buffer
);
1241 if (!tport
->tp_is_open
)
1242 dev_dbg(dev
, "%s - port closed, dropping data\n",
1245 ti_recv(port
, urb
->transfer_buffer
, urb
->actual_length
);
1246 spin_lock(&tport
->tp_lock
);
1247 port
->icount
.rx
+= urb
->actual_length
;
1248 spin_unlock(&tport
->tp_lock
);
1252 /* continue to read unless stopping */
1253 spin_lock(&tport
->tp_lock
);
1254 if (tport
->tp_read_urb_state
== TI_READ_URB_RUNNING
)
1255 retval
= usb_submit_urb(urb
, GFP_ATOMIC
);
1256 else if (tport
->tp_read_urb_state
== TI_READ_URB_STOPPING
)
1257 tport
->tp_read_urb_state
= TI_READ_URB_STOPPED
;
1259 spin_unlock(&tport
->tp_lock
);
1261 dev_err(dev
, "%s - resubmit read urb failed, %d\n",
1266 static void ti_bulk_out_callback(struct urb
*urb
)
1268 struct ti_port
*tport
= urb
->context
;
1269 struct usb_serial_port
*port
= tport
->tp_port
;
1270 int status
= urb
->status
;
1272 tport
->tp_write_urb_in_use
= 0;
1280 dev_dbg(&port
->dev
, "%s - urb shutting down, %d\n", __func__
, status
);
1283 dev_err_console(port
, "%s - nonzero urb status, %d\n",
1287 /* send any buffered data */
1292 static void ti_recv(struct usb_serial_port
*port
, unsigned char *data
,
1298 cnt
= tty_insert_flip_string(&port
->port
, data
, length
);
1300 dev_err(&port
->dev
, "%s - dropping data, %d bytes lost\n",
1301 __func__
, length
- cnt
);
1305 tty_flip_buffer_push(&port
->port
);
1308 } while (length
> 0);
1312 static void ti_send(struct ti_port
*tport
)
1315 struct usb_serial_port
*port
= tport
->tp_port
;
1316 unsigned long flags
;
1318 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1320 if (tport
->tp_write_urb_in_use
)
1323 count
= kfifo_out(&port
->write_fifo
,
1324 port
->write_urb
->transfer_buffer
,
1325 port
->bulk_out_size
);
1330 tport
->tp_write_urb_in_use
= 1;
1332 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1334 usb_serial_debug_data(&port
->dev
, __func__
, count
,
1335 port
->write_urb
->transfer_buffer
);
1337 usb_fill_bulk_urb(port
->write_urb
, port
->serial
->dev
,
1338 usb_sndbulkpipe(port
->serial
->dev
,
1339 port
->bulk_out_endpointAddress
),
1340 port
->write_urb
->transfer_buffer
, count
,
1341 ti_bulk_out_callback
, tport
);
1343 result
= usb_submit_urb(port
->write_urb
, GFP_ATOMIC
);
1345 dev_err_console(port
, "%s - submit write urb failed, %d\n",
1347 tport
->tp_write_urb_in_use
= 0;
1348 /* TODO: reschedule ti_send */
1350 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1351 port
->icount
.tx
+= count
;
1352 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1355 /* more room in the buffer for new writes, wakeup */
1356 tty_port_tty_wakeup(&port
->port
);
1360 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1365 static int ti_set_mcr(struct ti_port
*tport
, unsigned int mcr
)
1367 unsigned long flags
;
1370 status
= ti_write_byte(tport
->tp_port
, tport
->tp_tdev
,
1371 tport
->tp_uart_base_addr
+ TI_UART_OFFSET_MCR
,
1372 TI_MCR_RTS
| TI_MCR_DTR
| TI_MCR_LOOP
, mcr
);
1374 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1376 tport
->tp_shadow_mcr
= mcr
;
1377 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1383 static int ti_get_lsr(struct ti_port
*tport
, u8
*lsr
)
1386 struct ti_device
*tdev
= tport
->tp_tdev
;
1387 struct usb_serial_port
*port
= tport
->tp_port
;
1388 int port_number
= port
->port_number
;
1389 struct ti_port_status
*data
;
1391 size
= sizeof(struct ti_port_status
);
1392 data
= kmalloc(size
, GFP_KERNEL
);
1396 status
= ti_command_in_sync(tdev
, TI_GET_PORT_STATUS
,
1397 (__u8
)(TI_UART1_PORT
+port_number
), 0, (__u8
*)data
, size
);
1400 "%s - get port status command failed, %d\n",
1405 dev_dbg(&port
->dev
, "%s - lsr 0x%02X\n", __func__
, data
->bLSR
);
1415 static int ti_get_serial_info(struct ti_port
*tport
,
1416 struct serial_struct __user
*ret_arg
)
1418 struct usb_serial_port
*port
= tport
->tp_port
;
1419 struct serial_struct ret_serial
;
1422 cwait
= port
->port
.closing_wait
;
1423 if (cwait
!= ASYNC_CLOSING_WAIT_NONE
)
1424 cwait
= jiffies_to_msecs(cwait
) / 10;
1426 memset(&ret_serial
, 0, sizeof(ret_serial
));
1428 ret_serial
.type
= PORT_16550A
;
1429 ret_serial
.line
= port
->minor
;
1430 ret_serial
.port
= port
->port_number
;
1431 ret_serial
.xmit_fifo_size
= kfifo_size(&port
->write_fifo
);
1432 ret_serial
.baud_base
= tport
->tp_tdev
->td_is_3410
? 921600 : 460800;
1433 ret_serial
.closing_wait
= cwait
;
1435 if (copy_to_user(ret_arg
, &ret_serial
, sizeof(*ret_arg
)))
1442 static int ti_set_serial_info(struct tty_struct
*tty
, struct ti_port
*tport
,
1443 struct serial_struct __user
*new_arg
)
1445 struct serial_struct new_serial
;
1448 if (copy_from_user(&new_serial
, new_arg
, sizeof(new_serial
)))
1451 cwait
= new_serial
.closing_wait
;
1452 if (cwait
!= ASYNC_CLOSING_WAIT_NONE
)
1453 cwait
= msecs_to_jiffies(10 * new_serial
.closing_wait
);
1455 tport
->tp_port
->port
.closing_wait
= cwait
;
1461 static void ti_handle_new_msr(struct ti_port
*tport
, u8 msr
)
1463 struct async_icount
*icount
;
1464 struct tty_struct
*tty
;
1465 unsigned long flags
;
1467 dev_dbg(&tport
->tp_port
->dev
, "%s - msr 0x%02X\n", __func__
, msr
);
1469 if (msr
& TI_MSR_DELTA_MASK
) {
1470 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1471 icount
= &tport
->tp_port
->icount
;
1472 if (msr
& TI_MSR_DELTA_CTS
)
1474 if (msr
& TI_MSR_DELTA_DSR
)
1476 if (msr
& TI_MSR_DELTA_CD
)
1478 if (msr
& TI_MSR_DELTA_RI
)
1480 wake_up_interruptible(&tport
->tp_port
->port
.delta_msr_wait
);
1481 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1484 tport
->tp_msr
= msr
& TI_MSR_MASK
;
1486 /* handle CTS flow control */
1487 tty
= tty_port_tty_get(&tport
->tp_port
->port
);
1488 if (tty
&& C_CRTSCTS(tty
)) {
1489 if (msr
& TI_MSR_CTS
)
1496 static void ti_stop_read(struct ti_port
*tport
, struct tty_struct
*tty
)
1498 unsigned long flags
;
1500 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1502 if (tport
->tp_read_urb_state
== TI_READ_URB_RUNNING
)
1503 tport
->tp_read_urb_state
= TI_READ_URB_STOPPING
;
1505 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1509 static int ti_restart_read(struct ti_port
*tport
, struct tty_struct
*tty
)
1513 unsigned long flags
;
1515 spin_lock_irqsave(&tport
->tp_lock
, flags
);
1517 if (tport
->tp_read_urb_state
== TI_READ_URB_STOPPED
) {
1518 tport
->tp_read_urb_state
= TI_READ_URB_RUNNING
;
1519 urb
= tport
->tp_port
->read_urb
;
1520 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1521 urb
->context
= tport
;
1522 status
= usb_submit_urb(urb
, GFP_KERNEL
);
1524 tport
->tp_read_urb_state
= TI_READ_URB_RUNNING
;
1525 spin_unlock_irqrestore(&tport
->tp_lock
, flags
);
1532 static int ti_command_out_sync(struct ti_device
*tdev
, __u8 command
,
1533 __u16 moduleid
, __u16 value
, __u8
*data
, int size
)
1537 status
= usb_control_msg(tdev
->td_serial
->dev
,
1538 usb_sndctrlpipe(tdev
->td_serial
->dev
, 0), command
,
1539 (USB_TYPE_VENDOR
| USB_RECIP_DEVICE
| USB_DIR_OUT
),
1540 value
, moduleid
, data
, size
, 1000);
1549 static int ti_command_in_sync(struct ti_device
*tdev
, __u8 command
,
1550 __u16 moduleid
, __u16 value
, __u8
*data
, int size
)
1554 status
= usb_control_msg(tdev
->td_serial
->dev
,
1555 usb_rcvctrlpipe(tdev
->td_serial
->dev
, 0), command
,
1556 (USB_TYPE_VENDOR
| USB_RECIP_DEVICE
| USB_DIR_IN
),
1557 value
, moduleid
, data
, size
, 1000);
1561 else if (status
>= 0)
1568 static int ti_write_byte(struct usb_serial_port
*port
,
1569 struct ti_device
*tdev
, unsigned long addr
,
1574 struct ti_write_data_bytes
*data
;
1576 dev_dbg(&port
->dev
, "%s - addr 0x%08lX, mask 0x%02X, byte 0x%02X\n", __func__
,
1579 size
= sizeof(struct ti_write_data_bytes
) + 2;
1580 data
= kmalloc(size
, GFP_KERNEL
);
1584 data
->bAddrType
= TI_RW_DATA_ADDR_XDATA
;
1585 data
->bDataType
= TI_RW_DATA_BYTE
;
1586 data
->bDataCounter
= 1;
1587 data
->wBaseAddrHi
= cpu_to_be16(addr
>>16);
1588 data
->wBaseAddrLo
= cpu_to_be16(addr
);
1589 data
->bData
[0] = mask
;
1590 data
->bData
[1] = byte
;
1592 status
= ti_command_out_sync(tdev
, TI_WRITE_DATA
, TI_RAM_PORT
, 0,
1593 (__u8
*)data
, size
);
1596 dev_err(&port
->dev
, "%s - failed, %d\n", __func__
, status
);
1603 static int ti_do_download(struct usb_device
*dev
, int pipe
,
1604 u8
*buffer
, int size
)
1609 struct ti_firmware_header
*header
;
1613 for (pos
= sizeof(struct ti_firmware_header
); pos
< size
; pos
++)
1614 cs
= (u8
)(cs
+ buffer
[pos
]);
1616 header
= (struct ti_firmware_header
*)buffer
;
1617 header
->wLength
= cpu_to_le16(size
- sizeof(*header
));
1618 header
->bCheckSum
= cs
;
1620 dev_dbg(&dev
->dev
, "%s - downloading firmware\n", __func__
);
1621 for (pos
= 0; pos
< size
; pos
+= done
) {
1622 len
= min(size
- pos
, TI_DOWNLOAD_MAX_PACKET_SIZE
);
1623 status
= usb_bulk_msg(dev
, pipe
, buffer
+ pos
, len
,
1631 static int ti_download_firmware(struct ti_device
*tdev
)
1636 struct usb_device
*dev
= tdev
->td_serial
->dev
;
1637 unsigned int pipe
= usb_sndbulkpipe(dev
,
1638 tdev
->td_serial
->port
[0]->bulk_out_endpointAddress
);
1639 const struct firmware
*fw_p
;
1642 if (le16_to_cpu(dev
->descriptor
.idVendor
) == MXU1_VENDOR_ID
) {
1645 "moxa/moxa-%04x.fw",
1646 le16_to_cpu(dev
->descriptor
.idProduct
));
1648 status
= request_firmware(&fw_p
, buf
, &dev
->dev
);
1649 goto check_firmware
;
1652 /* try ID specific firmware first, then try generic firmware */
1653 sprintf(buf
, "ti_usb-v%04x-p%04x.fw",
1654 le16_to_cpu(dev
->descriptor
.idVendor
),
1655 le16_to_cpu(dev
->descriptor
.idProduct
));
1656 status
= request_firmware(&fw_p
, buf
, &dev
->dev
);
1660 if (le16_to_cpu(dev
->descriptor
.idVendor
) == MTS_VENDOR_ID
) {
1661 switch (le16_to_cpu(dev
->descriptor
.idProduct
)) {
1662 case MTS_CDMA_PRODUCT_ID
:
1663 strcpy(buf
, "mts_cdma.fw");
1665 case MTS_GSM_PRODUCT_ID
:
1666 strcpy(buf
, "mts_gsm.fw");
1668 case MTS_EDGE_PRODUCT_ID
:
1669 strcpy(buf
, "mts_edge.fw");
1671 case MTS_MT9234MU_PRODUCT_ID
:
1672 strcpy(buf
, "mts_mt9234mu.fw");
1674 case MTS_MT9234ZBA_PRODUCT_ID
:
1675 strcpy(buf
, "mts_mt9234zba.fw");
1677 case MTS_MT9234ZBAOLD_PRODUCT_ID
:
1678 strcpy(buf
, "mts_mt9234zba.fw");
1681 if (buf
[0] == '\0') {
1682 if (tdev
->td_is_3410
)
1683 strcpy(buf
, "ti_3410.fw");
1685 strcpy(buf
, "ti_5052.fw");
1687 status
= request_firmware(&fw_p
, buf
, &dev
->dev
);
1692 dev_err(&dev
->dev
, "%s - firmware not found\n", __func__
);
1695 if (fw_p
->size
> TI_FIRMWARE_BUF_SIZE
) {
1696 dev_err(&dev
->dev
, "%s - firmware too large %zu\n", __func__
, fw_p
->size
);
1697 release_firmware(fw_p
);
1701 buffer_size
= TI_FIRMWARE_BUF_SIZE
+ sizeof(struct ti_firmware_header
);
1702 buffer
= kmalloc(buffer_size
, GFP_KERNEL
);
1704 memcpy(buffer
, fw_p
->data
, fw_p
->size
);
1705 memset(buffer
+ fw_p
->size
, 0xff, buffer_size
- fw_p
->size
);
1706 status
= ti_do_download(dev
, pipe
, buffer
, fw_p
->size
);
1711 release_firmware(fw_p
);
1713 dev_err(&dev
->dev
, "%s - error downloading firmware, %d\n",
1718 dev_dbg(&dev
->dev
, "%s - download successful\n", __func__
);