Commit | Line | Data |
---|---|---|
8bf344d7 | 1 | /* |
1da177e4 LT |
2 | * TI 3410/5052 USB Serial Driver |
3 | * | |
4 | * Copyright (C) 2004 Texas Instruments | |
5 | * | |
6 | * This driver is based on the Linux io_ti driver, which is | |
7 | * Copyright (C) 2000-2002 Inside Out Networks | |
8 | * Copyright (C) 2001-2002 Greg Kroah-Hartman | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * For questions or problems with this driver, contact Texas Instruments | |
16 | * technical support, or Al Borchers <alborchers@steinerpoint.com>, or | |
17 | * Peter Berger <pberger@brimson.com>. | |
1da177e4 LT |
18 | */ |
19 | ||
1da177e4 LT |
20 | #include <linux/kernel.h> |
21 | #include <linux/errno.h> | |
95da310e | 22 | #include <linux/firmware.h> |
1da177e4 LT |
23 | #include <linux/slab.h> |
24 | #include <linux/tty.h> | |
25 | #include <linux/tty_driver.h> | |
26 | #include <linux/tty_flip.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/spinlock.h> | |
29 | #include <linux/ioctl.h> | |
30 | #include <linux/serial.h> | |
074ef65a | 31 | #include <linux/kfifo.h> |
9da0068a | 32 | #include <linux/mutex.h> |
a30fa793 | 33 | #include <linux/uaccess.h> |
1da177e4 | 34 | #include <linux/usb.h> |
a969888c | 35 | #include <linux/usb/serial.h> |
1da177e4 | 36 | |
4ab0e0da MO |
37 | /* Configuration ids */ |
38 | #define TI_BOOT_CONFIG 1 | |
39 | #define TI_ACTIVE_CONFIG 2 | |
40 | ||
41 | /* Vendor and product ids */ | |
42 | #define TI_VENDOR_ID 0x0451 | |
43 | #define IBM_VENDOR_ID 0x04b3 | |
44 | #define TI_3410_PRODUCT_ID 0x3410 | |
45 | #define IBM_4543_PRODUCT_ID 0x4543 | |
46 | #define IBM_454B_PRODUCT_ID 0x454b | |
47 | #define IBM_454C_PRODUCT_ID 0x454c | |
48 | #define TI_3410_EZ430_ID 0xF430 /* TI ez430 development tool */ | |
49 | #define TI_5052_BOOT_PRODUCT_ID 0x5052 /* no EEPROM, no firmware */ | |
50 | #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */ | |
51 | #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */ | |
52 | #define TI_5052_FIRMWARE_PRODUCT_ID 0x505F /* firmware is running */ | |
53 | #define FRI2_PRODUCT_ID 0x5053 /* Fish River Island II */ | |
54 | ||
55 | /* Multi-Tech vendor and product ids */ | |
56 | #define MTS_VENDOR_ID 0x06E0 | |
57 | #define MTS_GSM_NO_FW_PRODUCT_ID 0xF108 | |
58 | #define MTS_CDMA_NO_FW_PRODUCT_ID 0xF109 | |
59 | #define MTS_CDMA_PRODUCT_ID 0xF110 | |
60 | #define MTS_GSM_PRODUCT_ID 0xF111 | |
61 | #define MTS_EDGE_PRODUCT_ID 0xF112 | |
62 | #define MTS_MT9234MU_PRODUCT_ID 0xF114 | |
63 | #define MTS_MT9234ZBA_PRODUCT_ID 0xF115 | |
64 | #define MTS_MT9234ZBAOLD_PRODUCT_ID 0x0319 | |
65 | ||
66 | /* Abbott Diabetics vendor and product ids */ | |
67 | #define ABBOTT_VENDOR_ID 0x1a61 | |
68 | #define ABBOTT_STEREO_PLUG_ID 0x3410 | |
69 | #define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID | |
70 | #define ABBOTT_STRIP_PORT_ID 0x3420 | |
71 | ||
72 | /* Honeywell vendor and product IDs */ | |
73 | #define HONEYWELL_VENDOR_ID 0x10ac | |
74 | #define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */ | |
75 | ||
76 | /* Moxa UPORT 11x0 vendor and product IDs */ | |
77 | #define MXU1_VENDOR_ID 0x110a | |
78 | #define MXU1_1110_PRODUCT_ID 0x1110 | |
79 | #define MXU1_1130_PRODUCT_ID 0x1130 | |
80 | #define MXU1_1150_PRODUCT_ID 0x1150 | |
81 | #define MXU1_1151_PRODUCT_ID 0x1151 | |
82 | #define MXU1_1131_PRODUCT_ID 0x1131 | |
83 | ||
84 | /* Commands */ | |
85 | #define TI_GET_VERSION 0x01 | |
86 | #define TI_GET_PORT_STATUS 0x02 | |
87 | #define TI_GET_PORT_DEV_INFO 0x03 | |
88 | #define TI_GET_CONFIG 0x04 | |
89 | #define TI_SET_CONFIG 0x05 | |
90 | #define TI_OPEN_PORT 0x06 | |
91 | #define TI_CLOSE_PORT 0x07 | |
92 | #define TI_START_PORT 0x08 | |
93 | #define TI_STOP_PORT 0x09 | |
94 | #define TI_TEST_PORT 0x0A | |
95 | #define TI_PURGE_PORT 0x0B | |
96 | #define TI_RESET_EXT_DEVICE 0x0C | |
97 | #define TI_WRITE_DATA 0x80 | |
98 | #define TI_READ_DATA 0x81 | |
99 | #define TI_REQ_TYPE_CLASS 0x82 | |
100 | ||
101 | /* Module identifiers */ | |
102 | #define TI_I2C_PORT 0x01 | |
103 | #define TI_IEEE1284_PORT 0x02 | |
104 | #define TI_UART1_PORT 0x03 | |
105 | #define TI_UART2_PORT 0x04 | |
106 | #define TI_RAM_PORT 0x05 | |
107 | ||
108 | /* Modem status */ | |
109 | #define TI_MSR_DELTA_CTS 0x01 | |
110 | #define TI_MSR_DELTA_DSR 0x02 | |
111 | #define TI_MSR_DELTA_RI 0x04 | |
112 | #define TI_MSR_DELTA_CD 0x08 | |
113 | #define TI_MSR_CTS 0x10 | |
114 | #define TI_MSR_DSR 0x20 | |
115 | #define TI_MSR_RI 0x40 | |
116 | #define TI_MSR_CD 0x80 | |
117 | #define TI_MSR_DELTA_MASK 0x0F | |
118 | #define TI_MSR_MASK 0xF0 | |
119 | ||
120 | /* Line status */ | |
121 | #define TI_LSR_OVERRUN_ERROR 0x01 | |
122 | #define TI_LSR_PARITY_ERROR 0x02 | |
123 | #define TI_LSR_FRAMING_ERROR 0x04 | |
124 | #define TI_LSR_BREAK 0x08 | |
125 | #define TI_LSR_ERROR 0x0F | |
126 | #define TI_LSR_RX_FULL 0x10 | |
127 | #define TI_LSR_TX_EMPTY 0x20 | |
128 | ||
129 | /* Line control */ | |
130 | #define TI_LCR_BREAK 0x40 | |
131 | ||
132 | /* Modem control */ | |
133 | #define TI_MCR_LOOP 0x04 | |
134 | #define TI_MCR_DTR 0x10 | |
135 | #define TI_MCR_RTS 0x20 | |
136 | ||
137 | /* Mask settings */ | |
138 | #define TI_UART_ENABLE_RTS_IN 0x0001 | |
139 | #define TI_UART_DISABLE_RTS 0x0002 | |
140 | #define TI_UART_ENABLE_PARITY_CHECKING 0x0008 | |
141 | #define TI_UART_ENABLE_DSR_OUT 0x0010 | |
142 | #define TI_UART_ENABLE_CTS_OUT 0x0020 | |
143 | #define TI_UART_ENABLE_X_OUT 0x0040 | |
144 | #define TI_UART_ENABLE_XA_OUT 0x0080 | |
145 | #define TI_UART_ENABLE_X_IN 0x0100 | |
146 | #define TI_UART_ENABLE_DTR_IN 0x0800 | |
147 | #define TI_UART_DISABLE_DTR 0x1000 | |
148 | #define TI_UART_ENABLE_MS_INTS 0x2000 | |
149 | #define TI_UART_ENABLE_AUTO_START_DMA 0x4000 | |
150 | ||
151 | /* Parity */ | |
152 | #define TI_UART_NO_PARITY 0x00 | |
153 | #define TI_UART_ODD_PARITY 0x01 | |
154 | #define TI_UART_EVEN_PARITY 0x02 | |
155 | #define TI_UART_MARK_PARITY 0x03 | |
156 | #define TI_UART_SPACE_PARITY 0x04 | |
157 | ||
158 | /* Stop bits */ | |
159 | #define TI_UART_1_STOP_BITS 0x00 | |
160 | #define TI_UART_1_5_STOP_BITS 0x01 | |
161 | #define TI_UART_2_STOP_BITS 0x02 | |
162 | ||
163 | /* Bits per character */ | |
164 | #define TI_UART_5_DATA_BITS 0x00 | |
165 | #define TI_UART_6_DATA_BITS 0x01 | |
166 | #define TI_UART_7_DATA_BITS 0x02 | |
167 | #define TI_UART_8_DATA_BITS 0x03 | |
168 | ||
169 | /* 232/485 modes */ | |
170 | #define TI_UART_232 0x00 | |
171 | #define TI_UART_485_RECEIVER_DISABLED 0x01 | |
172 | #define TI_UART_485_RECEIVER_ENABLED 0x02 | |
173 | ||
174 | /* Pipe transfer mode and timeout */ | |
175 | #define TI_PIPE_MODE_CONTINUOUS 0x01 | |
176 | #define TI_PIPE_MODE_MASK 0x03 | |
177 | #define TI_PIPE_TIMEOUT_MASK 0x7C | |
178 | #define TI_PIPE_TIMEOUT_ENABLE 0x80 | |
179 | ||
180 | /* Config struct */ | |
181 | struct ti_uart_config { | |
182 | __u16 wBaudRate; | |
183 | __u16 wFlags; | |
184 | __u8 bDataBits; | |
185 | __u8 bParity; | |
186 | __u8 bStopBits; | |
187 | char cXon; | |
188 | char cXoff; | |
189 | __u8 bUartMode; | |
190 | } __packed; | |
191 | ||
192 | /* Get port status */ | |
193 | struct ti_port_status { | |
194 | __u8 bCmdCode; | |
195 | __u8 bModuleId; | |
196 | __u8 bErrorCode; | |
197 | __u8 bMSR; | |
198 | __u8 bLSR; | |
199 | } __packed; | |
200 | ||
201 | /* Purge modes */ | |
202 | #define TI_PURGE_OUTPUT 0x00 | |
203 | #define TI_PURGE_INPUT 0x80 | |
204 | ||
205 | /* Read/Write data */ | |
206 | #define TI_RW_DATA_ADDR_SFR 0x10 | |
207 | #define TI_RW_DATA_ADDR_IDATA 0x20 | |
208 | #define TI_RW_DATA_ADDR_XDATA 0x30 | |
209 | #define TI_RW_DATA_ADDR_CODE 0x40 | |
210 | #define TI_RW_DATA_ADDR_GPIO 0x50 | |
211 | #define TI_RW_DATA_ADDR_I2C 0x60 | |
212 | #define TI_RW_DATA_ADDR_FLASH 0x70 | |
213 | #define TI_RW_DATA_ADDR_DSP 0x80 | |
214 | ||
215 | #define TI_RW_DATA_UNSPECIFIED 0x00 | |
216 | #define TI_RW_DATA_BYTE 0x01 | |
217 | #define TI_RW_DATA_WORD 0x02 | |
218 | #define TI_RW_DATA_DOUBLE_WORD 0x04 | |
219 | ||
220 | struct ti_write_data_bytes { | |
221 | __u8 bAddrType; | |
222 | __u8 bDataType; | |
223 | __u8 bDataCounter; | |
224 | __be16 wBaseAddrHi; | |
225 | __be16 wBaseAddrLo; | |
226 | __u8 bData[0]; | |
227 | } __packed; | |
228 | ||
229 | struct ti_read_data_request { | |
230 | __u8 bAddrType; | |
231 | __u8 bDataType; | |
232 | __u8 bDataCounter; | |
233 | __be16 wBaseAddrHi; | |
234 | __be16 wBaseAddrLo; | |
235 | } __packed; | |
236 | ||
237 | struct ti_read_data_bytes { | |
238 | __u8 bCmdCode; | |
239 | __u8 bModuleId; | |
240 | __u8 bErrorCode; | |
241 | __u8 bData[0]; | |
242 | } __packed; | |
243 | ||
244 | /* Interrupt struct */ | |
245 | struct ti_interrupt { | |
246 | __u8 bICode; | |
247 | __u8 bIInfo; | |
248 | } __packed; | |
249 | ||
250 | /* Interrupt codes */ | |
4ab0e0da MO |
251 | #define TI_CODE_HARDWARE_ERROR 0xFF |
252 | #define TI_CODE_DATA_ERROR 0x03 | |
253 | #define TI_CODE_MODEM_STATUS 0x04 | |
254 | ||
255 | /* Download firmware max packet size */ | |
256 | #define TI_DOWNLOAD_MAX_PACKET_SIZE 64 | |
257 | ||
258 | /* Firmware image header */ | |
259 | struct ti_firmware_header { | |
260 | __le16 wLength; | |
261 | __u8 bCheckSum; | |
262 | } __packed; | |
263 | ||
264 | /* UART addresses */ | |
265 | #define TI_UART1_BASE_ADDR 0xFFA0 /* UART 1 base address */ | |
266 | #define TI_UART2_BASE_ADDR 0xFFB0 /* UART 2 base address */ | |
267 | #define TI_UART_OFFSET_LCR 0x0002 /* UART MCR register offset */ | |
268 | #define TI_UART_OFFSET_MCR 0x0004 /* UART MCR register offset */ | |
1da177e4 | 269 | |
1da177e4 LT |
270 | #define TI_DRIVER_AUTHOR "Al Borchers <alborchers@steinerpoint.com>" |
271 | #define TI_DRIVER_DESC "TI USB 3410/5052 Serial Driver" | |
272 | ||
273 | #define TI_FIRMWARE_BUF_SIZE 16284 | |
274 | ||
1da177e4 LT |
275 | #define TI_TRANSFER_TIMEOUT 2 |
276 | ||
1da177e4 LT |
277 | #define TI_DEFAULT_CLOSING_WAIT 4000 /* in .01 secs */ |
278 | ||
279 | /* supported setserial flags */ | |
2400a2bf | 280 | #define TI_SET_SERIAL_FLAGS 0 |
1da177e4 LT |
281 | |
282 | /* read urb states */ | |
283 | #define TI_READ_URB_RUNNING 0 | |
284 | #define TI_READ_URB_STOPPING 1 | |
285 | #define TI_READ_URB_STOPPED 2 | |
286 | ||
287 | #define TI_EXTRA_VID_PID_COUNT 5 | |
288 | ||
1da177e4 LT |
289 | struct ti_port { |
290 | int tp_is_open; | |
291 | __u8 tp_msr; | |
1da177e4 LT |
292 | __u8 tp_shadow_mcr; |
293 | __u8 tp_uart_mode; /* 232 or 485 modes */ | |
294 | unsigned int tp_uart_base_addr; | |
295 | int tp_flags; | |
1da177e4 LT |
296 | struct ti_device *tp_tdev; |
297 | struct usb_serial_port *tp_port; | |
298 | spinlock_t tp_lock; | |
299 | int tp_read_urb_state; | |
300 | int tp_write_urb_in_use; | |
1da177e4 LT |
301 | }; |
302 | ||
303 | struct ti_device { | |
9da0068a | 304 | struct mutex td_open_close_lock; |
1da177e4 LT |
305 | int td_open_port_count; |
306 | struct usb_serial *td_serial; | |
307 | int td_is_3410; | |
b923c6c6 | 308 | bool td_rs485_only; |
1da177e4 LT |
309 | int td_urb_error; |
310 | }; | |
311 | ||
1da177e4 | 312 | static int ti_startup(struct usb_serial *serial); |
f9c99bb8 | 313 | static void ti_release(struct usb_serial *serial); |
51ef847d JH |
314 | static int ti_port_probe(struct usb_serial_port *port); |
315 | static int ti_port_remove(struct usb_serial_port *port); | |
a509a7e4 | 316 | static int ti_open(struct tty_struct *tty, struct usb_serial_port *port); |
335f8514 | 317 | static void ti_close(struct usb_serial_port *port); |
95da310e | 318 | static int ti_write(struct tty_struct *tty, struct usb_serial_port *port, |
a30fa793 | 319 | const unsigned char *data, int count); |
95da310e AC |
320 | static int ti_write_room(struct tty_struct *tty); |
321 | static int ti_chars_in_buffer(struct tty_struct *tty); | |
ff93b19e | 322 | static bool ti_tx_empty(struct usb_serial_port *port); |
95da310e AC |
323 | static void ti_throttle(struct tty_struct *tty); |
324 | static void ti_unthrottle(struct tty_struct *tty); | |
00a0d0d6 | 325 | static int ti_ioctl(struct tty_struct *tty, |
a30fa793 AC |
326 | unsigned int cmd, unsigned long arg); |
327 | static void ti_set_termios(struct tty_struct *tty, | |
328 | struct usb_serial_port *port, struct ktermios *old_termios); | |
60b33c13 | 329 | static int ti_tiocmget(struct tty_struct *tty); |
20b9d177 | 330 | static int ti_tiocmset(struct tty_struct *tty, |
a30fa793 | 331 | unsigned int set, unsigned int clear); |
95da310e | 332 | static void ti_break(struct tty_struct *tty, int break_state); |
7d12e780 DH |
333 | static void ti_interrupt_callback(struct urb *urb); |
334 | static void ti_bulk_in_callback(struct urb *urb); | |
335 | static void ti_bulk_out_callback(struct urb *urb); | |
1da177e4 | 336 | |
2e124b4a JS |
337 | static void ti_recv(struct usb_serial_port *port, unsigned char *data, |
338 | int length); | |
1da177e4 LT |
339 | static void ti_send(struct ti_port *tport); |
340 | static int ti_set_mcr(struct ti_port *tport, unsigned int mcr); | |
b5784f7d | 341 | static int ti_get_lsr(struct ti_port *tport, u8 *lsr); |
1da177e4 LT |
342 | static int ti_get_serial_info(struct ti_port *tport, |
343 | struct serial_struct __user *ret_arg); | |
4a90f09b | 344 | static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport, |
1da177e4 LT |
345 | struct serial_struct __user *new_arg); |
346 | static void ti_handle_new_msr(struct ti_port *tport, __u8 msr); | |
347 | ||
1da177e4 LT |
348 | static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty); |
349 | static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty); | |
350 | ||
351 | static int ti_command_out_sync(struct ti_device *tdev, __u8 command, | |
352 | __u16 moduleid, __u16 value, __u8 *data, int size); | |
353 | static int ti_command_in_sync(struct ti_device *tdev, __u8 command, | |
354 | __u16 moduleid, __u16 value, __u8 *data, int size); | |
355 | ||
d53839cf GKH |
356 | static int ti_write_byte(struct usb_serial_port *port, struct ti_device *tdev, |
357 | unsigned long addr, __u8 mask, __u8 byte); | |
1da177e4 | 358 | |
05a3d905 | 359 | static int ti_download_firmware(struct ti_device *tdev); |
1da177e4 | 360 | |
1da177e4 | 361 | static int closing_wait = TI_DEFAULT_CLOSING_WAIT; |
1da177e4 | 362 | |
5c6b98dd | 363 | static const struct usb_device_id ti_id_table_3410[] = { |
1da177e4 | 364 | { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, |
1f54a6ae | 365 | { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, |
cb7a7c6a CA |
366 | { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, |
367 | { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_NO_FW_PRODUCT_ID) }, | |
368 | { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_PRODUCT_ID) }, | |
369 | { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_PRODUCT_ID) }, | |
370 | { USB_DEVICE(MTS_VENDOR_ID, MTS_EDGE_PRODUCT_ID) }, | |
cdc04834 AM |
371 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234MU_PRODUCT_ID) }, |
372 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234ZBA_PRODUCT_ID) }, | |
373 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234ZBAOLD_PRODUCT_ID) }, | |
1a1fab51 | 374 | { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) }, |
97dcf041 ON |
375 | { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) }, |
376 | { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) }, | |
35a2fbc9 AH |
377 | { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) }, |
378 | { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) }, | |
975dc33b | 379 | { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, |
1bcb49e6 | 380 | { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) }, |
b923c6c6 MO |
381 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1110_PRODUCT_ID) }, |
382 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1130_PRODUCT_ID) }, | |
383 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) }, | |
384 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) }, | |
385 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) }, | |
d7ece651 | 386 | { } /* terminator */ |
1da177e4 LT |
387 | }; |
388 | ||
5c6b98dd | 389 | static const struct usb_device_id ti_id_table_5052[] = { |
1da177e4 LT |
390 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, |
391 | { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, | |
392 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, | |
393 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, | |
8bf344d7 | 394 | { } |
1da177e4 LT |
395 | }; |
396 | ||
5c6b98dd | 397 | static const struct usb_device_id ti_id_table_combined[] = { |
1da177e4 | 398 | { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, |
1f54a6ae | 399 | { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, |
cb7a7c6a CA |
400 | { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, |
401 | { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_NO_FW_PRODUCT_ID) }, | |
402 | { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_PRODUCT_ID) }, | |
403 | { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_PRODUCT_ID) }, | |
404 | { USB_DEVICE(MTS_VENDOR_ID, MTS_EDGE_PRODUCT_ID) }, | |
cdc04834 AM |
405 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234MU_PRODUCT_ID) }, |
406 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234ZBA_PRODUCT_ID) }, | |
407 | { USB_DEVICE(MTS_VENDOR_ID, MTS_MT9234ZBAOLD_PRODUCT_ID) }, | |
1da177e4 LT |
408 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, |
409 | { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, | |
410 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, | |
411 | { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, | |
1a1fab51 | 412 | { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) }, |
97dcf041 ON |
413 | { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) }, |
414 | { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) }, | |
7fd25702 | 415 | { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) }, |
c9d09dc7 | 416 | { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) }, |
975dc33b | 417 | { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, |
1bcb49e6 | 418 | { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) }, |
b923c6c6 MO |
419 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1110_PRODUCT_ID) }, |
420 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1130_PRODUCT_ID) }, | |
421 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) }, | |
422 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) }, | |
423 | { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) }, | |
d7ece651 | 424 | { } /* terminator */ |
1da177e4 LT |
425 | }; |
426 | ||
ea65370d | 427 | static struct usb_serial_driver ti_1port_device = { |
18fcac35 | 428 | .driver = { |
269bda1c GKH |
429 | .owner = THIS_MODULE, |
430 | .name = "ti_usb_3410_5052_1", | |
18fcac35 | 431 | }, |
269bda1c | 432 | .description = "TI USB 3410 1 port adapter", |
1da177e4 | 433 | .id_table = ti_id_table_3410, |
1da177e4 LT |
434 | .num_ports = 1, |
435 | .attach = ti_startup, | |
f9c99bb8 | 436 | .release = ti_release, |
51ef847d JH |
437 | .port_probe = ti_port_probe, |
438 | .port_remove = ti_port_remove, | |
1da177e4 LT |
439 | .open = ti_open, |
440 | .close = ti_close, | |
441 | .write = ti_write, | |
442 | .write_room = ti_write_room, | |
443 | .chars_in_buffer = ti_chars_in_buffer, | |
ff93b19e | 444 | .tx_empty = ti_tx_empty, |
1da177e4 LT |
445 | .throttle = ti_throttle, |
446 | .unthrottle = ti_unthrottle, | |
447 | .ioctl = ti_ioctl, | |
448 | .set_termios = ti_set_termios, | |
449 | .tiocmget = ti_tiocmget, | |
450 | .tiocmset = ti_tiocmset, | |
6c75e260 | 451 | .tiocmiwait = usb_serial_generic_tiocmiwait, |
783ca355 | 452 | .get_icount = usb_serial_generic_get_icount, |
1da177e4 LT |
453 | .break_ctl = ti_break, |
454 | .read_int_callback = ti_interrupt_callback, | |
455 | .read_bulk_callback = ti_bulk_in_callback, | |
456 | .write_bulk_callback = ti_bulk_out_callback, | |
457 | }; | |
458 | ||
ea65370d | 459 | static struct usb_serial_driver ti_2port_device = { |
18fcac35 | 460 | .driver = { |
269bda1c GKH |
461 | .owner = THIS_MODULE, |
462 | .name = "ti_usb_3410_5052_2", | |
18fcac35 | 463 | }, |
269bda1c | 464 | .description = "TI USB 5052 2 port adapter", |
1da177e4 | 465 | .id_table = ti_id_table_5052, |
1da177e4 LT |
466 | .num_ports = 2, |
467 | .attach = ti_startup, | |
f9c99bb8 | 468 | .release = ti_release, |
51ef847d JH |
469 | .port_probe = ti_port_probe, |
470 | .port_remove = ti_port_remove, | |
1da177e4 LT |
471 | .open = ti_open, |
472 | .close = ti_close, | |
473 | .write = ti_write, | |
474 | .write_room = ti_write_room, | |
475 | .chars_in_buffer = ti_chars_in_buffer, | |
ff93b19e | 476 | .tx_empty = ti_tx_empty, |
1da177e4 LT |
477 | .throttle = ti_throttle, |
478 | .unthrottle = ti_unthrottle, | |
479 | .ioctl = ti_ioctl, | |
480 | .set_termios = ti_set_termios, | |
481 | .tiocmget = ti_tiocmget, | |
482 | .tiocmset = ti_tiocmset, | |
6c75e260 | 483 | .tiocmiwait = usb_serial_generic_tiocmiwait, |
783ca355 | 484 | .get_icount = usb_serial_generic_get_icount, |
1da177e4 LT |
485 | .break_ctl = ti_break, |
486 | .read_int_callback = ti_interrupt_callback, | |
487 | .read_bulk_callback = ti_bulk_in_callback, | |
488 | .write_bulk_callback = ti_bulk_out_callback, | |
489 | }; | |
490 | ||
29618e9f AS |
491 | static struct usb_serial_driver * const serial_drivers[] = { |
492 | &ti_1port_device, &ti_2port_device, NULL | |
493 | }; | |
1da177e4 | 494 | |
1da177e4 LT |
495 | MODULE_AUTHOR(TI_DRIVER_AUTHOR); |
496 | MODULE_DESCRIPTION(TI_DRIVER_DESC); | |
1da177e4 LT |
497 | MODULE_LICENSE("GPL"); |
498 | ||
5f24e2d6 DW |
499 | MODULE_FIRMWARE("ti_3410.fw"); |
500 | MODULE_FIRMWARE("ti_5052.fw"); | |
7df52316 CA |
501 | MODULE_FIRMWARE("mts_cdma.fw"); |
502 | MODULE_FIRMWARE("mts_gsm.fw"); | |
503 | MODULE_FIRMWARE("mts_edge.fw"); | |
cdc04834 AM |
504 | MODULE_FIRMWARE("mts_mt9234mu.fw"); |
505 | MODULE_FIRMWARE("mts_mt9234zba.fw"); | |
b923c6c6 MO |
506 | MODULE_FIRMWARE("moxa/moxa-1110.fw"); |
507 | MODULE_FIRMWARE("moxa/moxa-1130.fw"); | |
508 | MODULE_FIRMWARE("moxa/moxa-1131.fw"); | |
509 | MODULE_FIRMWARE("moxa/moxa-1150.fw"); | |
510 | MODULE_FIRMWARE("moxa/moxa-1151.fw"); | |
5f24e2d6 | 511 | |
1da177e4 | 512 | module_param(closing_wait, int, S_IRUGO | S_IWUSR); |
a30fa793 AC |
513 | MODULE_PARM_DESC(closing_wait, |
514 | "Maximum wait for data to drain in close, in .01 secs, default is 4000"); | |
1da177e4 | 515 | |
1da177e4 LT |
516 | MODULE_DEVICE_TABLE(usb, ti_id_table_combined); |
517 | ||
d7ece651 | 518 | module_usb_serial_driver(serial_drivers, ti_id_table_combined); |
1da177e4 | 519 | |
1da177e4 LT |
520 | static int ti_startup(struct usb_serial *serial) |
521 | { | |
522 | struct ti_device *tdev; | |
1da177e4 | 523 | struct usb_device *dev = serial->dev; |
b923c6c6 MO |
524 | struct usb_host_interface *cur_altsetting; |
525 | int num_endpoints; | |
526 | u16 vid, pid; | |
1da177e4 | 527 | int status; |
1da177e4 | 528 | |
d53839cf | 529 | dev_dbg(&dev->dev, |
d9a38a87 | 530 | "%s - product 0x%4X, num configurations %d, configuration value %d\n", |
d53839cf GKH |
531 | __func__, le16_to_cpu(dev->descriptor.idProduct), |
532 | dev->descriptor.bNumConfigurations, | |
533 | dev->actconfig->desc.bConfigurationValue); | |
1da177e4 | 534 | |
80b6ca48 | 535 | tdev = kzalloc(sizeof(struct ti_device), GFP_KERNEL); |
10c642d0 | 536 | if (!tdev) |
1da177e4 | 537 | return -ENOMEM; |
10c642d0 | 538 | |
9da0068a | 539 | mutex_init(&tdev->td_open_close_lock); |
1da177e4 LT |
540 | tdev->td_serial = serial; |
541 | usb_set_serial_data(serial, tdev); | |
542 | ||
543 | /* determine device type */ | |
1fad5642 | 544 | if (serial->type == &ti_1port_device) |
1da177e4 | 545 | tdev->td_is_3410 = 1; |
d53839cf GKH |
546 | dev_dbg(&dev->dev, "%s - device type is %s\n", __func__, |
547 | tdev->td_is_3410 ? "3410" : "5052"); | |
1da177e4 | 548 | |
b923c6c6 MO |
549 | vid = le16_to_cpu(dev->descriptor.idVendor); |
550 | pid = le16_to_cpu(dev->descriptor.idProduct); | |
551 | if (vid == MXU1_VENDOR_ID) { | |
552 | switch (pid) { | |
553 | case MXU1_1130_PRODUCT_ID: | |
554 | case MXU1_1131_PRODUCT_ID: | |
555 | tdev->td_rs485_only = true; | |
556 | break; | |
557 | } | |
558 | } | |
559 | ||
560 | cur_altsetting = serial->interface->cur_altsetting; | |
561 | num_endpoints = cur_altsetting->desc.bNumEndpoints; | |
562 | ||
563 | /* if we have only 1 configuration and 1 endpoint, download firmware */ | |
564 | if (dev->descriptor.bNumConfigurations == 1 && num_endpoints == 1) { | |
72b27a07 AR |
565 | status = ti_download_firmware(tdev); |
566 | ||
567 | if (status != 0) | |
1da177e4 LT |
568 | goto free_tdev; |
569 | ||
570 | /* 3410 must be reset, 5052 resets itself */ | |
571 | if (tdev->td_is_3410) { | |
572 | msleep_interruptible(100); | |
573 | usb_reset_device(dev); | |
574 | } | |
575 | ||
576 | status = -ENODEV; | |
577 | goto free_tdev; | |
a30fa793 | 578 | } |
1da177e4 | 579 | |
413ba6fb | 580 | /* the second configuration must be set */ |
1da177e4 | 581 | if (dev->actconfig->desc.bConfigurationValue == TI_BOOT_CONFIG) { |
413ba6fb ON |
582 | status = usb_driver_set_configuration(dev, TI_ACTIVE_CONFIG); |
583 | status = status ? status : -ENODEV; | |
1da177e4 LT |
584 | goto free_tdev; |
585 | } | |
586 | ||
1da177e4 LT |
587 | return 0; |
588 | ||
1da177e4 LT |
589 | free_tdev: |
590 | kfree(tdev); | |
591 | usb_set_serial_data(serial, NULL); | |
592 | return status; | |
593 | } | |
594 | ||
595 | ||
f9c99bb8 | 596 | static void ti_release(struct usb_serial *serial) |
1da177e4 | 597 | { |
1da177e4 | 598 | struct ti_device *tdev = usb_get_serial_data(serial); |
51ef847d JH |
599 | |
600 | kfree(tdev); | |
601 | } | |
602 | ||
603 | static int ti_port_probe(struct usb_serial_port *port) | |
604 | { | |
1da177e4 LT |
605 | struct ti_port *tport; |
606 | ||
51ef847d JH |
607 | tport = kzalloc(sizeof(*tport), GFP_KERNEL); |
608 | if (!tport) | |
609 | return -ENOMEM; | |
610 | ||
611 | spin_lock_init(&tport->tp_lock); | |
612 | if (port == port->serial->port[0]) | |
613 | tport->tp_uart_base_addr = TI_UART1_BASE_ADDR; | |
614 | else | |
615 | tport->tp_uart_base_addr = TI_UART2_BASE_ADDR; | |
f1175daa | 616 | port->port.closing_wait = msecs_to_jiffies(10 * closing_wait); |
51ef847d JH |
617 | tport->tp_port = port; |
618 | tport->tp_tdev = usb_get_serial_data(port->serial); | |
b923c6c6 MO |
619 | |
620 | if (tport->tp_tdev->td_rs485_only) | |
621 | tport->tp_uart_mode = TI_UART_485_RECEIVER_DISABLED; | |
622 | else | |
623 | tport->tp_uart_mode = TI_UART_232; | |
1da177e4 | 624 | |
51ef847d JH |
625 | usb_set_serial_port_data(port, tport); |
626 | ||
d7be6221 JH |
627 | port->port.drain_delay = 3; |
628 | ||
51ef847d | 629 | return 0; |
1da177e4 LT |
630 | } |
631 | ||
51ef847d JH |
632 | static int ti_port_remove(struct usb_serial_port *port) |
633 | { | |
634 | struct ti_port *tport; | |
635 | ||
636 | tport = usb_get_serial_port_data(port); | |
51ef847d JH |
637 | kfree(tport); |
638 | ||
639 | return 0; | |
640 | } | |
1da177e4 | 641 | |
a509a7e4 | 642 | static int ti_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 LT |
643 | { |
644 | struct ti_port *tport = usb_get_serial_port_data(port); | |
645 | struct ti_device *tdev; | |
646 | struct usb_device *dev; | |
647 | struct urb *urb; | |
648 | int port_number; | |
649 | int status; | |
4ab0e0da | 650 | __u16 open_settings = (__u8)(TI_PIPE_MODE_CONTINUOUS | |
a30fa793 | 651 | TI_PIPE_TIMEOUT_ENABLE | |
1da177e4 LT |
652 | (TI_TRANSFER_TIMEOUT << 2)); |
653 | ||
1da177e4 LT |
654 | if (tport == NULL) |
655 | return -ENODEV; | |
656 | ||
657 | dev = port->serial->dev; | |
658 | tdev = tport->tp_tdev; | |
659 | ||
660 | /* only one open on any port on a device at a time */ | |
9da0068a | 661 | if (mutex_lock_interruptible(&tdev->td_open_close_lock)) |
1da177e4 LT |
662 | return -ERESTARTSYS; |
663 | ||
1143832e | 664 | port_number = port->port_number; |
1da177e4 | 665 | |
1da177e4 LT |
666 | tport->tp_msr = 0; |
667 | tport->tp_shadow_mcr |= (TI_MCR_RTS | TI_MCR_DTR); | |
668 | ||
669 | /* start interrupt urb the first time a port is opened on this device */ | |
670 | if (tdev->td_open_port_count == 0) { | |
d53839cf | 671 | dev_dbg(&port->dev, "%s - start interrupt in urb\n", __func__); |
1da177e4 LT |
672 | urb = tdev->td_serial->port[0]->interrupt_in_urb; |
673 | if (!urb) { | |
d53839cf | 674 | dev_err(&port->dev, "%s - no interrupt urb\n", __func__); |
1da177e4 | 675 | status = -EINVAL; |
9da0068a | 676 | goto release_lock; |
1da177e4 | 677 | } |
1da177e4 | 678 | urb->context = tdev; |
1da177e4 LT |
679 | status = usb_submit_urb(urb, GFP_KERNEL); |
680 | if (status) { | |
d53839cf | 681 | dev_err(&port->dev, "%s - submit interrupt urb failed, %d\n", __func__, status); |
9da0068a | 682 | goto release_lock; |
1da177e4 LT |
683 | } |
684 | } | |
685 | ||
95da310e | 686 | if (tty) |
adc8d746 | 687 | ti_set_termios(tty, port, &tty->termios); |
1da177e4 | 688 | |
d53839cf | 689 | dev_dbg(&port->dev, "%s - sending TI_OPEN_PORT\n", __func__); |
1da177e4 LT |
690 | status = ti_command_out_sync(tdev, TI_OPEN_PORT, |
691 | (__u8)(TI_UART1_PORT + port_number), open_settings, NULL, 0); | |
692 | if (status) { | |
a30fa793 | 693 | dev_err(&port->dev, "%s - cannot send open command, %d\n", |
d53839cf | 694 | __func__, status); |
1da177e4 LT |
695 | goto unlink_int_urb; |
696 | } | |
697 | ||
d53839cf | 698 | dev_dbg(&port->dev, "%s - sending TI_START_PORT\n", __func__); |
1da177e4 LT |
699 | status = ti_command_out_sync(tdev, TI_START_PORT, |
700 | (__u8)(TI_UART1_PORT + port_number), 0, NULL, 0); | |
701 | if (status) { | |
a30fa793 AC |
702 | dev_err(&port->dev, "%s - cannot send start command, %d\n", |
703 | __func__, status); | |
1da177e4 LT |
704 | goto unlink_int_urb; |
705 | } | |
706 | ||
d53839cf | 707 | dev_dbg(&port->dev, "%s - sending TI_PURGE_PORT\n", __func__); |
1da177e4 LT |
708 | status = ti_command_out_sync(tdev, TI_PURGE_PORT, |
709 | (__u8)(TI_UART1_PORT + port_number), TI_PURGE_INPUT, NULL, 0); | |
710 | if (status) { | |
a30fa793 AC |
711 | dev_err(&port->dev, "%s - cannot clear input buffers, %d\n", |
712 | __func__, status); | |
1da177e4 LT |
713 | goto unlink_int_urb; |
714 | } | |
715 | status = ti_command_out_sync(tdev, TI_PURGE_PORT, | |
716 | (__u8)(TI_UART1_PORT + port_number), TI_PURGE_OUTPUT, NULL, 0); | |
717 | if (status) { | |
a30fa793 AC |
718 | dev_err(&port->dev, "%s - cannot clear output buffers, %d\n", |
719 | __func__, status); | |
1da177e4 LT |
720 | goto unlink_int_urb; |
721 | } | |
722 | ||
723 | /* reset the data toggle on the bulk endpoints to work around bug in | |
724 | * host controllers where things get out of sync some times */ | |
725 | usb_clear_halt(dev, port->write_urb->pipe); | |
726 | usb_clear_halt(dev, port->read_urb->pipe); | |
727 | ||
95da310e | 728 | if (tty) |
adc8d746 | 729 | ti_set_termios(tty, port, &tty->termios); |
1da177e4 | 730 | |
d53839cf | 731 | dev_dbg(&port->dev, "%s - sending TI_OPEN_PORT (2)\n", __func__); |
1da177e4 LT |
732 | status = ti_command_out_sync(tdev, TI_OPEN_PORT, |
733 | (__u8)(TI_UART1_PORT + port_number), open_settings, NULL, 0); | |
734 | if (status) { | |
a30fa793 AC |
735 | dev_err(&port->dev, "%s - cannot send open command (2), %d\n", |
736 | __func__, status); | |
1da177e4 LT |
737 | goto unlink_int_urb; |
738 | } | |
739 | ||
d53839cf | 740 | dev_dbg(&port->dev, "%s - sending TI_START_PORT (2)\n", __func__); |
1da177e4 LT |
741 | status = ti_command_out_sync(tdev, TI_START_PORT, |
742 | (__u8)(TI_UART1_PORT + port_number), 0, NULL, 0); | |
743 | if (status) { | |
a30fa793 AC |
744 | dev_err(&port->dev, "%s - cannot send start command (2), %d\n", |
745 | __func__, status); | |
1da177e4 LT |
746 | goto unlink_int_urb; |
747 | } | |
748 | ||
749 | /* start read urb */ | |
d53839cf | 750 | dev_dbg(&port->dev, "%s - start read urb\n", __func__); |
1da177e4 LT |
751 | urb = port->read_urb; |
752 | if (!urb) { | |
441b62c1 | 753 | dev_err(&port->dev, "%s - no read urb\n", __func__); |
1da177e4 LT |
754 | status = -EINVAL; |
755 | goto unlink_int_urb; | |
756 | } | |
757 | tport->tp_read_urb_state = TI_READ_URB_RUNNING; | |
1da177e4 | 758 | urb->context = tport; |
1da177e4 LT |
759 | status = usb_submit_urb(urb, GFP_KERNEL); |
760 | if (status) { | |
a30fa793 AC |
761 | dev_err(&port->dev, "%s - submit read urb failed, %d\n", |
762 | __func__, status); | |
1da177e4 LT |
763 | goto unlink_int_urb; |
764 | } | |
765 | ||
766 | tport->tp_is_open = 1; | |
767 | ++tdev->td_open_port_count; | |
768 | ||
9da0068a | 769 | goto release_lock; |
1da177e4 LT |
770 | |
771 | unlink_int_urb: | |
772 | if (tdev->td_open_port_count == 0) | |
773 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
9da0068a MK |
774 | release_lock: |
775 | mutex_unlock(&tdev->td_open_close_lock); | |
d53839cf | 776 | dev_dbg(&port->dev, "%s - exit %d\n", __func__, status); |
1da177e4 LT |
777 | return status; |
778 | } | |
779 | ||
780 | ||
335f8514 | 781 | static void ti_close(struct usb_serial_port *port) |
1da177e4 LT |
782 | { |
783 | struct ti_device *tdev; | |
784 | struct ti_port *tport; | |
785 | int port_number; | |
786 | int status; | |
9da0068a | 787 | int do_unlock; |
113ec31e | 788 | unsigned long flags; |
1da177e4 | 789 | |
1da177e4 LT |
790 | tdev = usb_get_serial_data(port->serial); |
791 | tport = usb_get_serial_port_data(port); | |
792 | if (tdev == NULL || tport == NULL) | |
793 | return; | |
794 | ||
795 | tport->tp_is_open = 0; | |
796 | ||
1da177e4 LT |
797 | usb_kill_urb(port->read_urb); |
798 | usb_kill_urb(port->write_urb); | |
799 | tport->tp_write_urb_in_use = 0; | |
113ec31e | 800 | spin_lock_irqsave(&tport->tp_lock, flags); |
cd1e098b | 801 | kfifo_reset_out(&port->write_fifo); |
113ec31e | 802 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1da177e4 | 803 | |
1143832e | 804 | port_number = port->port_number; |
1da177e4 | 805 | |
d53839cf | 806 | dev_dbg(&port->dev, "%s - sending TI_CLOSE_PORT\n", __func__); |
1da177e4 LT |
807 | status = ti_command_out_sync(tdev, TI_CLOSE_PORT, |
808 | (__u8)(TI_UART1_PORT + port_number), 0, NULL, 0); | |
809 | if (status) | |
a30fa793 AC |
810 | dev_err(&port->dev, |
811 | "%s - cannot send close port command, %d\n" | |
812 | , __func__, status); | |
1da177e4 | 813 | |
9da0068a MK |
814 | /* if mutex_lock is interrupted, continue anyway */ |
815 | do_unlock = !mutex_lock_interruptible(&tdev->td_open_close_lock); | |
1da177e4 LT |
816 | --tport->tp_tdev->td_open_port_count; |
817 | if (tport->tp_tdev->td_open_port_count <= 0) { | |
818 | /* last port is closed, shut down interrupt urb */ | |
819 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
820 | tport->tp_tdev->td_open_port_count = 0; | |
821 | } | |
9da0068a MK |
822 | if (do_unlock) |
823 | mutex_unlock(&tdev->td_open_close_lock); | |
1da177e4 LT |
824 | } |
825 | ||
826 | ||
95da310e AC |
827 | static int ti_write(struct tty_struct *tty, struct usb_serial_port *port, |
828 | const unsigned char *data, int count) | |
1da177e4 LT |
829 | { |
830 | struct ti_port *tport = usb_get_serial_port_data(port); | |
1da177e4 | 831 | |
1da177e4 | 832 | if (count == 0) { |
d53839cf | 833 | dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__); |
1da177e4 LT |
834 | return 0; |
835 | } | |
836 | ||
837 | if (tport == NULL || !tport->tp_is_open) | |
838 | return -ENODEV; | |
839 | ||
cd1e098b | 840 | count = kfifo_in_locked(&port->write_fifo, data, count, |
074ef65a | 841 | &tport->tp_lock); |
1da177e4 LT |
842 | ti_send(tport); |
843 | ||
844 | return count; | |
845 | } | |
846 | ||
847 | ||
95da310e | 848 | static int ti_write_room(struct tty_struct *tty) |
1da177e4 | 849 | { |
95da310e | 850 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
851 | struct ti_port *tport = usb_get_serial_port_data(port); |
852 | int room = 0; | |
853 | unsigned long flags; | |
854 | ||
1da177e4 | 855 | if (tport == NULL) |
23198fda | 856 | return 0; |
a30fa793 | 857 | |
1da177e4 | 858 | spin_lock_irqsave(&tport->tp_lock, flags); |
cd1e098b | 859 | room = kfifo_avail(&port->write_fifo); |
1da177e4 LT |
860 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
861 | ||
d53839cf | 862 | dev_dbg(&port->dev, "%s - returns %d\n", __func__, room); |
1da177e4 LT |
863 | return room; |
864 | } | |
865 | ||
866 | ||
95da310e | 867 | static int ti_chars_in_buffer(struct tty_struct *tty) |
1da177e4 | 868 | { |
95da310e | 869 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
870 | struct ti_port *tport = usb_get_serial_port_data(port); |
871 | int chars = 0; | |
872 | unsigned long flags; | |
873 | ||
1da177e4 | 874 | if (tport == NULL) |
23198fda | 875 | return 0; |
1da177e4 LT |
876 | |
877 | spin_lock_irqsave(&tport->tp_lock, flags); | |
cd1e098b | 878 | chars = kfifo_len(&port->write_fifo); |
1da177e4 LT |
879 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
880 | ||
d53839cf | 881 | dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars); |
1da177e4 LT |
882 | return chars; |
883 | } | |
884 | ||
ff93b19e JH |
885 | static bool ti_tx_empty(struct usb_serial_port *port) |
886 | { | |
887 | struct ti_port *tport = usb_get_serial_port_data(port); | |
888 | int ret; | |
889 | u8 lsr; | |
890 | ||
891 | ret = ti_get_lsr(tport, &lsr); | |
892 | if (!ret && !(lsr & TI_LSR_TX_EMPTY)) | |
893 | return false; | |
894 | ||
895 | return true; | |
896 | } | |
1da177e4 | 897 | |
95da310e | 898 | static void ti_throttle(struct tty_struct *tty) |
1da177e4 | 899 | { |
95da310e | 900 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 901 | struct ti_port *tport = usb_get_serial_port_data(port); |
1da177e4 | 902 | |
1da177e4 LT |
903 | if (tport == NULL) |
904 | return; | |
905 | ||
1da177e4 LT |
906 | if (I_IXOFF(tty) || C_CRTSCTS(tty)) |
907 | ti_stop_read(tport, tty); | |
908 | ||
909 | } | |
910 | ||
911 | ||
95da310e | 912 | static void ti_unthrottle(struct tty_struct *tty) |
1da177e4 | 913 | { |
95da310e | 914 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 915 | struct ti_port *tport = usb_get_serial_port_data(port); |
1da177e4 LT |
916 | int status; |
917 | ||
1da177e4 LT |
918 | if (tport == NULL) |
919 | return; | |
920 | ||
1da177e4 LT |
921 | if (I_IXOFF(tty) || C_CRTSCTS(tty)) { |
922 | status = ti_restart_read(tport, tty); | |
923 | if (status) | |
a30fa793 AC |
924 | dev_err(&port->dev, "%s - cannot restart read, %d\n", |
925 | __func__, status); | |
1da177e4 LT |
926 | } |
927 | } | |
928 | ||
00a0d0d6 | 929 | static int ti_ioctl(struct tty_struct *tty, |
1da177e4 LT |
930 | unsigned int cmd, unsigned long arg) |
931 | { | |
95da310e | 932 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 933 | struct ti_port *tport = usb_get_serial_port_data(port); |
1da177e4 | 934 | |
1da177e4 LT |
935 | if (tport == NULL) |
936 | return -ENODEV; | |
937 | ||
938 | switch (cmd) { | |
a30fa793 | 939 | case TIOCGSERIAL: |
d53839cf | 940 | dev_dbg(&port->dev, "%s - TIOCGSERIAL\n", __func__); |
a30fa793 AC |
941 | return ti_get_serial_info(tport, |
942 | (struct serial_struct __user *)arg); | |
943 | case TIOCSSERIAL: | |
d53839cf | 944 | dev_dbg(&port->dev, "%s - TIOCSSERIAL\n", __func__); |
4a90f09b AC |
945 | return ti_set_serial_info(tty, tport, |
946 | (struct serial_struct __user *)arg); | |
1da177e4 | 947 | } |
1da177e4 LT |
948 | return -ENOIOCTLCMD; |
949 | } | |
950 | ||
951 | ||
95da310e AC |
952 | static void ti_set_termios(struct tty_struct *tty, |
953 | struct usb_serial_port *port, struct ktermios *old_termios) | |
1da177e4 LT |
954 | { |
955 | struct ti_port *tport = usb_get_serial_port_data(port); | |
1da177e4 | 956 | struct ti_uart_config *config; |
a30fa793 | 957 | tcflag_t cflag, iflag; |
1da177e4 LT |
958 | int baud; |
959 | int status; | |
1143832e | 960 | int port_number = port->port_number; |
1da177e4 LT |
961 | unsigned int mcr; |
962 | ||
adc8d746 AC |
963 | cflag = tty->termios.c_cflag; |
964 | iflag = tty->termios.c_iflag; | |
1da177e4 | 965 | |
d53839cf GKH |
966 | dev_dbg(&port->dev, "%s - cflag %08x, iflag %08x\n", __func__, cflag, iflag); |
967 | dev_dbg(&port->dev, "%s - old clfag %08x, old iflag %08x\n", __func__, | |
968 | old_termios->c_cflag, old_termios->c_iflag); | |
1da177e4 LT |
969 | |
970 | if (tport == NULL) | |
971 | return; | |
972 | ||
973 | config = kmalloc(sizeof(*config), GFP_KERNEL); | |
10c642d0 | 974 | if (!config) |
1da177e4 | 975 | return; |
1da177e4 LT |
976 | |
977 | config->wFlags = 0; | |
978 | ||
979 | /* these flags must be set */ | |
980 | config->wFlags |= TI_UART_ENABLE_MS_INTS; | |
981 | config->wFlags |= TI_UART_ENABLE_AUTO_START_DMA; | |
982 | config->bUartMode = (__u8)(tport->tp_uart_mode); | |
983 | ||
984 | switch (cflag & CSIZE) { | |
a30fa793 AC |
985 | case CS5: |
986 | config->bDataBits = TI_UART_5_DATA_BITS; | |
987 | break; | |
988 | case CS6: | |
989 | config->bDataBits = TI_UART_6_DATA_BITS; | |
990 | break; | |
991 | case CS7: | |
992 | config->bDataBits = TI_UART_7_DATA_BITS; | |
993 | break; | |
994 | default: | |
995 | case CS8: | |
996 | config->bDataBits = TI_UART_8_DATA_BITS; | |
997 | break; | |
1da177e4 LT |
998 | } |
999 | ||
537699ef | 1000 | /* CMSPAR isn't supported by this driver */ |
adc8d746 | 1001 | tty->termios.c_cflag &= ~CMSPAR; |
537699ef | 1002 | |
1da177e4 LT |
1003 | if (cflag & PARENB) { |
1004 | if (cflag & PARODD) { | |
1005 | config->wFlags |= TI_UART_ENABLE_PARITY_CHECKING; | |
1006 | config->bParity = TI_UART_ODD_PARITY; | |
1007 | } else { | |
1008 | config->wFlags |= TI_UART_ENABLE_PARITY_CHECKING; | |
1009 | config->bParity = TI_UART_EVEN_PARITY; | |
1010 | } | |
1011 | } else { | |
1012 | config->wFlags &= ~TI_UART_ENABLE_PARITY_CHECKING; | |
a30fa793 | 1013 | config->bParity = TI_UART_NO_PARITY; |
1da177e4 LT |
1014 | } |
1015 | ||
1016 | if (cflag & CSTOPB) | |
1017 | config->bStopBits = TI_UART_2_STOP_BITS; | |
1018 | else | |
1019 | config->bStopBits = TI_UART_1_STOP_BITS; | |
1020 | ||
1021 | if (cflag & CRTSCTS) { | |
1022 | /* RTS flow control must be off to drop RTS for baud rate B0 */ | |
1023 | if ((cflag & CBAUD) != B0) | |
1024 | config->wFlags |= TI_UART_ENABLE_RTS_IN; | |
1025 | config->wFlags |= TI_UART_ENABLE_CTS_OUT; | |
1026 | } else { | |
1da177e4 LT |
1027 | ti_restart_read(tport, tty); |
1028 | } | |
1029 | ||
1030 | if (I_IXOFF(tty) || I_IXON(tty)) { | |
1031 | config->cXon = START_CHAR(tty); | |
1032 | config->cXoff = STOP_CHAR(tty); | |
1033 | ||
1034 | if (I_IXOFF(tty)) | |
1035 | config->wFlags |= TI_UART_ENABLE_X_IN; | |
1036 | else | |
1037 | ti_restart_read(tport, tty); | |
1038 | ||
1039 | if (I_IXON(tty)) | |
1040 | config->wFlags |= TI_UART_ENABLE_X_OUT; | |
1041 | } | |
1042 | ||
1043 | baud = tty_get_baud_rate(tty); | |
537699ef AC |
1044 | if (!baud) |
1045 | baud = 9600; | |
1da177e4 LT |
1046 | if (tport->tp_tdev->td_is_3410) |
1047 | config->wBaudRate = (__u16)((923077 + baud/2) / baud); | |
1048 | else | |
1049 | config->wBaudRate = (__u16)((461538 + baud/2) / baud); | |
1050 | ||
537699ef AC |
1051 | /* FIXME: Should calculate resulting baud here and report it back */ |
1052 | if ((cflag & CBAUD) != B0) | |
1053 | tty_encode_baud_rate(tty, baud, baud); | |
1054 | ||
d53839cf | 1055 | dev_dbg(&port->dev, |
d9a38a87 | 1056 | "%s - BaudRate=%d, wBaudRate=%d, wFlags=0x%04X, bDataBits=%d, bParity=%d, bStopBits=%d, cXon=%d, cXoff=%d, bUartMode=%d\n", |
d53839cf GKH |
1057 | __func__, baud, config->wBaudRate, config->wFlags, |
1058 | config->bDataBits, config->bParity, config->bStopBits, | |
1059 | config->cXon, config->cXoff, config->bUartMode); | |
1da177e4 LT |
1060 | |
1061 | cpu_to_be16s(&config->wBaudRate); | |
1062 | cpu_to_be16s(&config->wFlags); | |
1063 | ||
1064 | status = ti_command_out_sync(tport->tp_tdev, TI_SET_CONFIG, | |
1065 | (__u8)(TI_UART1_PORT + port_number), 0, (__u8 *)config, | |
1066 | sizeof(*config)); | |
1067 | if (status) | |
a30fa793 AC |
1068 | dev_err(&port->dev, "%s - cannot set config on port %d, %d\n", |
1069 | __func__, port_number, status); | |
1da177e4 LT |
1070 | |
1071 | /* SET_CONFIG asserts RTS and DTR, reset them correctly */ | |
1072 | mcr = tport->tp_shadow_mcr; | |
1073 | /* if baud rate is B0, clear RTS and DTR */ | |
1074 | if ((cflag & CBAUD) == B0) | |
1075 | mcr &= ~(TI_MCR_DTR | TI_MCR_RTS); | |
1076 | status = ti_set_mcr(tport, mcr); | |
1077 | if (status) | |
a30fa793 AC |
1078 | dev_err(&port->dev, |
1079 | "%s - cannot set modem control on port %d, %d\n", | |
1080 | __func__, port_number, status); | |
1da177e4 LT |
1081 | |
1082 | kfree(config); | |
1083 | } | |
1084 | ||
1085 | ||
60b33c13 | 1086 | static int ti_tiocmget(struct tty_struct *tty) |
1da177e4 | 1087 | { |
95da310e | 1088 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1089 | struct ti_port *tport = usb_get_serial_port_data(port); |
1090 | unsigned int result; | |
1091 | unsigned int msr; | |
1092 | unsigned int mcr; | |
04ca89d4 | 1093 | unsigned long flags; |
1da177e4 | 1094 | |
1da177e4 LT |
1095 | if (tport == NULL) |
1096 | return -ENODEV; | |
1097 | ||
04ca89d4 | 1098 | spin_lock_irqsave(&tport->tp_lock, flags); |
1da177e4 LT |
1099 | msr = tport->tp_msr; |
1100 | mcr = tport->tp_shadow_mcr; | |
04ca89d4 | 1101 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1da177e4 LT |
1102 | |
1103 | result = ((mcr & TI_MCR_DTR) ? TIOCM_DTR : 0) | |
1104 | | ((mcr & TI_MCR_RTS) ? TIOCM_RTS : 0) | |
1105 | | ((mcr & TI_MCR_LOOP) ? TIOCM_LOOP : 0) | |
1106 | | ((msr & TI_MSR_CTS) ? TIOCM_CTS : 0) | |
1107 | | ((msr & TI_MSR_CD) ? TIOCM_CAR : 0) | |
1108 | | ((msr & TI_MSR_RI) ? TIOCM_RI : 0) | |
1109 | | ((msr & TI_MSR_DSR) ? TIOCM_DSR : 0); | |
1110 | ||
d53839cf | 1111 | dev_dbg(&port->dev, "%s - 0x%04X\n", __func__, result); |
1da177e4 LT |
1112 | |
1113 | return result; | |
1114 | } | |
1115 | ||
1116 | ||
20b9d177 AC |
1117 | static int ti_tiocmset(struct tty_struct *tty, |
1118 | unsigned int set, unsigned int clear) | |
1da177e4 | 1119 | { |
95da310e | 1120 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1121 | struct ti_port *tport = usb_get_serial_port_data(port); |
1122 | unsigned int mcr; | |
04ca89d4 | 1123 | unsigned long flags; |
1da177e4 | 1124 | |
1da177e4 LT |
1125 | if (tport == NULL) |
1126 | return -ENODEV; | |
1127 | ||
04ca89d4 | 1128 | spin_lock_irqsave(&tport->tp_lock, flags); |
1da177e4 LT |
1129 | mcr = tport->tp_shadow_mcr; |
1130 | ||
1131 | if (set & TIOCM_RTS) | |
1132 | mcr |= TI_MCR_RTS; | |
1133 | if (set & TIOCM_DTR) | |
1134 | mcr |= TI_MCR_DTR; | |
1135 | if (set & TIOCM_LOOP) | |
1136 | mcr |= TI_MCR_LOOP; | |
1137 | ||
1138 | if (clear & TIOCM_RTS) | |
1139 | mcr &= ~TI_MCR_RTS; | |
1140 | if (clear & TIOCM_DTR) | |
1141 | mcr &= ~TI_MCR_DTR; | |
1142 | if (clear & TIOCM_LOOP) | |
1143 | mcr &= ~TI_MCR_LOOP; | |
04ca89d4 | 1144 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1da177e4 LT |
1145 | |
1146 | return ti_set_mcr(tport, mcr); | |
1147 | } | |
1148 | ||
1149 | ||
95da310e | 1150 | static void ti_break(struct tty_struct *tty, int break_state) |
1da177e4 | 1151 | { |
95da310e | 1152 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1153 | struct ti_port *tport = usb_get_serial_port_data(port); |
1154 | int status; | |
1155 | ||
d53839cf | 1156 | dev_dbg(&port->dev, "%s - state = %d\n", __func__, break_state); |
1da177e4 LT |
1157 | |
1158 | if (tport == NULL) | |
1159 | return; | |
1160 | ||
d53839cf | 1161 | status = ti_write_byte(port, tport->tp_tdev, |
1da177e4 LT |
1162 | tport->tp_uart_base_addr + TI_UART_OFFSET_LCR, |
1163 | TI_LCR_BREAK, break_state == -1 ? TI_LCR_BREAK : 0); | |
1164 | ||
1165 | if (status) | |
d53839cf | 1166 | dev_dbg(&port->dev, "%s - error setting break, %d\n", __func__, status); |
1da177e4 LT |
1167 | } |
1168 | ||
d8d841e8 MO |
1169 | static int ti_get_port_from_code(unsigned char code) |
1170 | { | |
1171 | return (code >> 4) - 3; | |
1172 | } | |
1173 | ||
1174 | static int ti_get_func_from_code(unsigned char code) | |
1175 | { | |
1176 | return code & 0x0f; | |
1177 | } | |
1da177e4 | 1178 | |
7d12e780 | 1179 | static void ti_interrupt_callback(struct urb *urb) |
1da177e4 | 1180 | { |
cdc97792 | 1181 | struct ti_device *tdev = urb->context; |
1da177e4 LT |
1182 | struct usb_serial_port *port; |
1183 | struct usb_serial *serial = tdev->td_serial; | |
1184 | struct ti_port *tport; | |
1185 | struct device *dev = &urb->dev->dev; | |
1186 | unsigned char *data = urb->transfer_buffer; | |
1187 | int length = urb->actual_length; | |
1188 | int port_number; | |
1189 | int function; | |
52171b48 GKH |
1190 | int status = urb->status; |
1191 | int retval; | |
1da177e4 LT |
1192 | __u8 msr; |
1193 | ||
52171b48 | 1194 | switch (status) { |
1da177e4 LT |
1195 | case 0: |
1196 | break; | |
1197 | case -ECONNRESET: | |
1198 | case -ENOENT: | |
1199 | case -ESHUTDOWN: | |
d53839cf | 1200 | dev_dbg(dev, "%s - urb shutting down, %d\n", __func__, status); |
1da177e4 LT |
1201 | tdev->td_urb_error = 1; |
1202 | return; | |
1203 | default: | |
d53839cf | 1204 | dev_err(dev, "%s - nonzero urb status, %d\n", __func__, status); |
1da177e4 LT |
1205 | tdev->td_urb_error = 1; |
1206 | goto exit; | |
1207 | } | |
1208 | ||
1209 | if (length != 2) { | |
d53839cf | 1210 | dev_dbg(dev, "%s - bad packet size, %d\n", __func__, length); |
1da177e4 LT |
1211 | goto exit; |
1212 | } | |
1213 | ||
1214 | if (data[0] == TI_CODE_HARDWARE_ERROR) { | |
441b62c1 | 1215 | dev_err(dev, "%s - hardware error, %d\n", __func__, data[1]); |
1da177e4 LT |
1216 | goto exit; |
1217 | } | |
1218 | ||
d8d841e8 MO |
1219 | port_number = ti_get_port_from_code(data[0]); |
1220 | function = ti_get_func_from_code(data[0]); | |
1da177e4 | 1221 | |
d53839cf GKH |
1222 | dev_dbg(dev, "%s - port_number %d, function %d, data 0x%02X\n", |
1223 | __func__, port_number, function, data[1]); | |
1da177e4 LT |
1224 | |
1225 | if (port_number >= serial->num_ports) { | |
a30fa793 AC |
1226 | dev_err(dev, "%s - bad port number, %d\n", |
1227 | __func__, port_number); | |
1da177e4 LT |
1228 | goto exit; |
1229 | } | |
1230 | ||
1231 | port = serial->port[port_number]; | |
1232 | ||
1233 | tport = usb_get_serial_port_data(port); | |
1234 | if (!tport) | |
1235 | goto exit; | |
1236 | ||
1237 | switch (function) { | |
1238 | case TI_CODE_DATA_ERROR: | |
a30fa793 | 1239 | dev_err(dev, "%s - DATA ERROR, port %d, data 0x%02X\n", |
d53839cf | 1240 | __func__, port_number, data[1]); |
1da177e4 LT |
1241 | break; |
1242 | ||
1243 | case TI_CODE_MODEM_STATUS: | |
1244 | msr = data[1]; | |
d53839cf | 1245 | dev_dbg(dev, "%s - port %d, msr 0x%02X\n", __func__, port_number, msr); |
1da177e4 LT |
1246 | ti_handle_new_msr(tport, msr); |
1247 | break; | |
1248 | ||
1249 | default: | |
a30fa793 AC |
1250 | dev_err(dev, "%s - unknown interrupt code, 0x%02X\n", |
1251 | __func__, data[1]); | |
1da177e4 LT |
1252 | break; |
1253 | } | |
1254 | ||
1255 | exit: | |
52171b48 GKH |
1256 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
1257 | if (retval) | |
1258 | dev_err(dev, "%s - resubmit interrupt urb failed, %d\n", | |
441b62c1 | 1259 | __func__, retval); |
1da177e4 LT |
1260 | } |
1261 | ||
1262 | ||
7d12e780 | 1263 | static void ti_bulk_in_callback(struct urb *urb) |
1da177e4 | 1264 | { |
cdc97792 | 1265 | struct ti_port *tport = urb->context; |
1da177e4 LT |
1266 | struct usb_serial_port *port = tport->tp_port; |
1267 | struct device *dev = &urb->dev->dev; | |
52171b48 GKH |
1268 | int status = urb->status; |
1269 | int retval = 0; | |
1da177e4 | 1270 | |
52171b48 | 1271 | switch (status) { |
1da177e4 LT |
1272 | case 0: |
1273 | break; | |
1274 | case -ECONNRESET: | |
1275 | case -ENOENT: | |
1276 | case -ESHUTDOWN: | |
d53839cf | 1277 | dev_dbg(dev, "%s - urb shutting down, %d\n", __func__, status); |
1da177e4 | 1278 | tport->tp_tdev->td_urb_error = 1; |
1da177e4 LT |
1279 | return; |
1280 | default: | |
52171b48 | 1281 | dev_err(dev, "%s - nonzero urb status, %d\n", |
a30fa793 | 1282 | __func__, status); |
1da177e4 | 1283 | tport->tp_tdev->td_urb_error = 1; |
1da177e4 LT |
1284 | } |
1285 | ||
52171b48 | 1286 | if (status == -EPIPE) |
1da177e4 LT |
1287 | goto exit; |
1288 | ||
52171b48 | 1289 | if (status) { |
441b62c1 | 1290 | dev_err(dev, "%s - stopping read!\n", __func__); |
1da177e4 LT |
1291 | return; |
1292 | } | |
1293 | ||
2e124b4a JS |
1294 | if (urb->actual_length) { |
1295 | usb_serial_debug_data(dev, __func__, urb->actual_length, | |
1296 | urb->transfer_buffer); | |
1297 | ||
1298 | if (!tport->tp_is_open) | |
1299 | dev_dbg(dev, "%s - port closed, dropping data\n", | |
1300 | __func__); | |
1301 | else | |
1302 | ti_recv(port, urb->transfer_buffer, urb->actual_length); | |
1303 | spin_lock(&tport->tp_lock); | |
783ca355 | 1304 | port->icount.rx += urb->actual_length; |
2e124b4a | 1305 | spin_unlock(&tport->tp_lock); |
1da177e4 LT |
1306 | } |
1307 | ||
1308 | exit: | |
1309 | /* continue to read unless stopping */ | |
1310 | spin_lock(&tport->tp_lock); | |
5833041f | 1311 | if (tport->tp_read_urb_state == TI_READ_URB_RUNNING) |
52171b48 | 1312 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
5833041f | 1313 | else if (tport->tp_read_urb_state == TI_READ_URB_STOPPING) |
1da177e4 | 1314 | tport->tp_read_urb_state = TI_READ_URB_STOPPED; |
5833041f | 1315 | |
1da177e4 | 1316 | spin_unlock(&tport->tp_lock); |
52171b48 GKH |
1317 | if (retval) |
1318 | dev_err(dev, "%s - resubmit read urb failed, %d\n", | |
441b62c1 | 1319 | __func__, retval); |
1da177e4 LT |
1320 | } |
1321 | ||
1322 | ||
7d12e780 | 1323 | static void ti_bulk_out_callback(struct urb *urb) |
1da177e4 | 1324 | { |
cdc97792 | 1325 | struct ti_port *tport = urb->context; |
1da177e4 | 1326 | struct usb_serial_port *port = tport->tp_port; |
52171b48 | 1327 | int status = urb->status; |
1da177e4 | 1328 | |
1da177e4 LT |
1329 | tport->tp_write_urb_in_use = 0; |
1330 | ||
52171b48 | 1331 | switch (status) { |
1da177e4 LT |
1332 | case 0: |
1333 | break; | |
1334 | case -ECONNRESET: | |
1335 | case -ENOENT: | |
1336 | case -ESHUTDOWN: | |
d53839cf | 1337 | dev_dbg(&port->dev, "%s - urb shutting down, %d\n", __func__, status); |
1da177e4 | 1338 | tport->tp_tdev->td_urb_error = 1; |
1da177e4 LT |
1339 | return; |
1340 | default: | |
22a416c4 | 1341 | dev_err_console(port, "%s - nonzero urb status, %d\n", |
441b62c1 | 1342 | __func__, status); |
1da177e4 | 1343 | tport->tp_tdev->td_urb_error = 1; |
1da177e4 LT |
1344 | } |
1345 | ||
1346 | /* send any buffered data */ | |
1347 | ti_send(tport); | |
1348 | } | |
1349 | ||
1350 | ||
2e124b4a JS |
1351 | static void ti_recv(struct usb_serial_port *port, unsigned char *data, |
1352 | int length) | |
1da177e4 LT |
1353 | { |
1354 | int cnt; | |
1355 | ||
1356 | do { | |
05c7cd39 | 1357 | cnt = tty_insert_flip_string(&port->port, data, length); |
33f0f88f | 1358 | if (cnt < length) { |
05c7cd39 | 1359 | dev_err(&port->dev, "%s - dropping data, %d bytes lost\n", |
a30fa793 AC |
1360 | __func__, length - cnt); |
1361 | if (cnt == 0) | |
33f0f88f | 1362 | break; |
1da177e4 | 1363 | } |
2e124b4a | 1364 | tty_flip_buffer_push(&port->port); |
1da177e4 LT |
1365 | data += cnt; |
1366 | length -= cnt; | |
1367 | } while (length > 0); | |
1da177e4 LT |
1368 | } |
1369 | ||
1370 | ||
1371 | static void ti_send(struct ti_port *tport) | |
1372 | { | |
1373 | int count, result; | |
1374 | struct usb_serial_port *port = tport->tp_port; | |
1da177e4 LT |
1375 | unsigned long flags; |
1376 | ||
1da177e4 LT |
1377 | spin_lock_irqsave(&tport->tp_lock, flags); |
1378 | ||
4a90f09b AC |
1379 | if (tport->tp_write_urb_in_use) |
1380 | goto unlock; | |
1da177e4 | 1381 | |
cd1e098b | 1382 | count = kfifo_out(&port->write_fifo, |
1da177e4 LT |
1383 | port->write_urb->transfer_buffer, |
1384 | port->bulk_out_size); | |
1385 | ||
4a90f09b AC |
1386 | if (count == 0) |
1387 | goto unlock; | |
1da177e4 LT |
1388 | |
1389 | tport->tp_write_urb_in_use = 1; | |
1390 | ||
1391 | spin_unlock_irqrestore(&tport->tp_lock, flags); | |
1392 | ||
59d33f2f GKH |
1393 | usb_serial_debug_data(&port->dev, __func__, count, |
1394 | port->write_urb->transfer_buffer); | |
1da177e4 LT |
1395 | |
1396 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
1397 | usb_sndbulkpipe(port->serial->dev, | |
1398 | port->bulk_out_endpointAddress), | |
1399 | port->write_urb->transfer_buffer, count, | |
1400 | ti_bulk_out_callback, tport); | |
1401 | ||
1402 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
1403 | if (result) { | |
22a416c4 | 1404 | dev_err_console(port, "%s - submit write urb failed, %d\n", |
a30fa793 AC |
1405 | __func__, result); |
1406 | tport->tp_write_urb_in_use = 0; | |
1da177e4 LT |
1407 | /* TODO: reschedule ti_send */ |
1408 | } else { | |
1409 | spin_lock_irqsave(&tport->tp_lock, flags); | |
783ca355 | 1410 | port->icount.tx += count; |
1da177e4 LT |
1411 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1412 | } | |
1413 | ||
1414 | /* more room in the buffer for new writes, wakeup */ | |
6aad04f2 JS |
1415 | tty_port_tty_wakeup(&port->port); |
1416 | ||
4a90f09b AC |
1417 | return; |
1418 | unlock: | |
1419 | spin_unlock_irqrestore(&tport->tp_lock, flags); | |
4a90f09b | 1420 | return; |
1da177e4 LT |
1421 | } |
1422 | ||
1423 | ||
1424 | static int ti_set_mcr(struct ti_port *tport, unsigned int mcr) | |
1425 | { | |
04ca89d4 | 1426 | unsigned long flags; |
1da177e4 LT |
1427 | int status; |
1428 | ||
d53839cf | 1429 | status = ti_write_byte(tport->tp_port, tport->tp_tdev, |
1da177e4 LT |
1430 | tport->tp_uart_base_addr + TI_UART_OFFSET_MCR, |
1431 | TI_MCR_RTS | TI_MCR_DTR | TI_MCR_LOOP, mcr); | |
1432 | ||
04ca89d4 | 1433 | spin_lock_irqsave(&tport->tp_lock, flags); |
1da177e4 LT |
1434 | if (!status) |
1435 | tport->tp_shadow_mcr = mcr; | |
04ca89d4 | 1436 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1da177e4 LT |
1437 | |
1438 | return status; | |
1439 | } | |
1440 | ||
1441 | ||
b5784f7d | 1442 | static int ti_get_lsr(struct ti_port *tport, u8 *lsr) |
1da177e4 | 1443 | { |
a30fa793 | 1444 | int size, status; |
1da177e4 LT |
1445 | struct ti_device *tdev = tport->tp_tdev; |
1446 | struct usb_serial_port *port = tport->tp_port; | |
1143832e | 1447 | int port_number = port->port_number; |
1da177e4 LT |
1448 | struct ti_port_status *data; |
1449 | ||
1da177e4 LT |
1450 | size = sizeof(struct ti_port_status); |
1451 | data = kmalloc(size, GFP_KERNEL); | |
10c642d0 | 1452 | if (!data) |
1da177e4 | 1453 | return -ENOMEM; |
1da177e4 LT |
1454 | |
1455 | status = ti_command_in_sync(tdev, TI_GET_PORT_STATUS, | |
1456 | (__u8)(TI_UART1_PORT+port_number), 0, (__u8 *)data, size); | |
1457 | if (status) { | |
a30fa793 AC |
1458 | dev_err(&port->dev, |
1459 | "%s - get port status command failed, %d\n", | |
1460 | __func__, status); | |
1da177e4 LT |
1461 | goto free_data; |
1462 | } | |
1463 | ||
d53839cf | 1464 | dev_dbg(&port->dev, "%s - lsr 0x%02X\n", __func__, data->bLSR); |
1da177e4 | 1465 | |
b5784f7d | 1466 | *lsr = data->bLSR; |
1da177e4 LT |
1467 | |
1468 | free_data: | |
1469 | kfree(data); | |
1470 | return status; | |
1471 | } | |
1472 | ||
1473 | ||
1474 | static int ti_get_serial_info(struct ti_port *tport, | |
1475 | struct serial_struct __user *ret_arg) | |
1476 | { | |
1477 | struct usb_serial_port *port = tport->tp_port; | |
1478 | struct serial_struct ret_serial; | |
f1175daa | 1479 | unsigned cwait; |
1da177e4 LT |
1480 | |
1481 | if (!ret_arg) | |
1482 | return -EFAULT; | |
1483 | ||
f1175daa JH |
1484 | cwait = port->port.closing_wait; |
1485 | if (cwait != ASYNC_CLOSING_WAIT_NONE) | |
1486 | cwait = jiffies_to_msecs(cwait) / 10; | |
1487 | ||
1da177e4 LT |
1488 | memset(&ret_serial, 0, sizeof(ret_serial)); |
1489 | ||
1490 | ret_serial.type = PORT_16550A; | |
e5b1e206 | 1491 | ret_serial.line = port->minor; |
1143832e | 1492 | ret_serial.port = port->port_number; |
1da177e4 | 1493 | ret_serial.flags = tport->tp_flags; |
cd1e098b | 1494 | ret_serial.xmit_fifo_size = kfifo_size(&port->write_fifo); |
1da177e4 | 1495 | ret_serial.baud_base = tport->tp_tdev->td_is_3410 ? 921600 : 460800; |
f1175daa | 1496 | ret_serial.closing_wait = cwait; |
1da177e4 LT |
1497 | |
1498 | if (copy_to_user(ret_arg, &ret_serial, sizeof(*ret_arg))) | |
1499 | return -EFAULT; | |
1500 | ||
1501 | return 0; | |
1502 | } | |
1503 | ||
1504 | ||
4a90f09b | 1505 | static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport, |
1da177e4 LT |
1506 | struct serial_struct __user *new_arg) |
1507 | { | |
1da177e4 | 1508 | struct serial_struct new_serial; |
f1175daa | 1509 | unsigned cwait; |
1da177e4 LT |
1510 | |
1511 | if (copy_from_user(&new_serial, new_arg, sizeof(new_serial))) | |
1512 | return -EFAULT; | |
1513 | ||
f1175daa JH |
1514 | cwait = new_serial.closing_wait; |
1515 | if (cwait != ASYNC_CLOSING_WAIT_NONE) | |
1516 | cwait = msecs_to_jiffies(10 * new_serial.closing_wait); | |
1517 | ||
1da177e4 | 1518 | tport->tp_flags = new_serial.flags & TI_SET_SERIAL_FLAGS; |
f1175daa | 1519 | tport->tp_port->port.closing_wait = cwait; |
1da177e4 LT |
1520 | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | ||
1525 | static void ti_handle_new_msr(struct ti_port *tport, __u8 msr) | |
1526 | { | |
1527 | struct async_icount *icount; | |
1528 | struct tty_struct *tty; | |
1529 | unsigned long flags; | |
1530 | ||
d53839cf | 1531 | dev_dbg(&tport->tp_port->dev, "%s - msr 0x%02X\n", __func__, msr); |
1da177e4 LT |
1532 | |
1533 | if (msr & TI_MSR_DELTA_MASK) { | |
1534 | spin_lock_irqsave(&tport->tp_lock, flags); | |
783ca355 | 1535 | icount = &tport->tp_port->icount; |
1da177e4 LT |
1536 | if (msr & TI_MSR_DELTA_CTS) |
1537 | icount->cts++; | |
1538 | if (msr & TI_MSR_DELTA_DSR) | |
1539 | icount->dsr++; | |
1540 | if (msr & TI_MSR_DELTA_CD) | |
1541 | icount->dcd++; | |
1542 | if (msr & TI_MSR_DELTA_RI) | |
1543 | icount->rng++; | |
6c75e260 | 1544 | wake_up_interruptible(&tport->tp_port->port.delta_msr_wait); |
1da177e4 LT |
1545 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1546 | } | |
1547 | ||
1548 | tport->tp_msr = msr & TI_MSR_MASK; | |
1549 | ||
1550 | /* handle CTS flow control */ | |
4a90f09b | 1551 | tty = tty_port_tty_get(&tport->tp_port->port); |
1da177e4 | 1552 | if (tty && C_CRTSCTS(tty)) { |
d95e3cae | 1553 | if (msr & TI_MSR_CTS) |
1da177e4 | 1554 | tty_wakeup(tty); |
1da177e4 | 1555 | } |
4a90f09b | 1556 | tty_kref_put(tty); |
1da177e4 LT |
1557 | } |
1558 | ||
1559 | ||
1da177e4 LT |
1560 | static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty) |
1561 | { | |
1562 | unsigned long flags; | |
1563 | ||
1564 | spin_lock_irqsave(&tport->tp_lock, flags); | |
1565 | ||
1566 | if (tport->tp_read_urb_state == TI_READ_URB_RUNNING) | |
1567 | tport->tp_read_urb_state = TI_READ_URB_STOPPING; | |
1568 | ||
1569 | spin_unlock_irqrestore(&tport->tp_lock, flags); | |
1570 | } | |
1571 | ||
1572 | ||
1573 | static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty) | |
1574 | { | |
1575 | struct urb *urb; | |
1576 | int status = 0; | |
1577 | unsigned long flags; | |
1578 | ||
1579 | spin_lock_irqsave(&tport->tp_lock, flags); | |
1580 | ||
1581 | if (tport->tp_read_urb_state == TI_READ_URB_STOPPED) { | |
944dc184 | 1582 | tport->tp_read_urb_state = TI_READ_URB_RUNNING; |
1da177e4 | 1583 | urb = tport->tp_port->read_urb; |
944dc184 | 1584 | spin_unlock_irqrestore(&tport->tp_lock, flags); |
1da177e4 | 1585 | urb->context = tport; |
1da177e4 | 1586 | status = usb_submit_urb(urb, GFP_KERNEL); |
944dc184 ON |
1587 | } else { |
1588 | tport->tp_read_urb_state = TI_READ_URB_RUNNING; | |
1589 | spin_unlock_irqrestore(&tport->tp_lock, flags); | |
1da177e4 | 1590 | } |
1da177e4 LT |
1591 | |
1592 | return status; | |
1593 | } | |
1594 | ||
1595 | ||
1596 | static int ti_command_out_sync(struct ti_device *tdev, __u8 command, | |
1597 | __u16 moduleid, __u16 value, __u8 *data, int size) | |
1598 | { | |
1599 | int status; | |
1600 | ||
1601 | status = usb_control_msg(tdev->td_serial->dev, | |
1602 | usb_sndctrlpipe(tdev->td_serial->dev, 0), command, | |
1603 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), | |
1604 | value, moduleid, data, size, 1000); | |
1605 | ||
1606 | if (status == size) | |
1607 | status = 0; | |
1608 | ||
1609 | if (status > 0) | |
1610 | status = -ECOMM; | |
1611 | ||
1612 | return status; | |
1613 | } | |
1614 | ||
1615 | ||
1616 | static int ti_command_in_sync(struct ti_device *tdev, __u8 command, | |
1617 | __u16 moduleid, __u16 value, __u8 *data, int size) | |
1618 | { | |
1619 | int status; | |
1620 | ||
1621 | status = usb_control_msg(tdev->td_serial->dev, | |
1622 | usb_rcvctrlpipe(tdev->td_serial->dev, 0), command, | |
1623 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN), | |
1624 | value, moduleid, data, size, 1000); | |
1625 | ||
1626 | if (status == size) | |
1627 | status = 0; | |
1628 | ||
1629 | if (status > 0) | |
1630 | status = -ECOMM; | |
1631 | ||
1632 | return status; | |
1633 | } | |
1634 | ||
1635 | ||
d53839cf GKH |
1636 | static int ti_write_byte(struct usb_serial_port *port, |
1637 | struct ti_device *tdev, unsigned long addr, | |
1638 | __u8 mask, __u8 byte) | |
1da177e4 LT |
1639 | { |
1640 | int status; | |
1641 | unsigned int size; | |
1642 | struct ti_write_data_bytes *data; | |
1da177e4 | 1643 | |
d53839cf GKH |
1644 | dev_dbg(&port->dev, "%s - addr 0x%08lX, mask 0x%02X, byte 0x%02X\n", __func__, |
1645 | addr, mask, byte); | |
1da177e4 LT |
1646 | |
1647 | size = sizeof(struct ti_write_data_bytes) + 2; | |
1648 | data = kmalloc(size, GFP_KERNEL); | |
10c642d0 | 1649 | if (!data) |
1da177e4 | 1650 | return -ENOMEM; |
1da177e4 LT |
1651 | |
1652 | data->bAddrType = TI_RW_DATA_ADDR_XDATA; | |
1653 | data->bDataType = TI_RW_DATA_BYTE; | |
1654 | data->bDataCounter = 1; | |
1655 | data->wBaseAddrHi = cpu_to_be16(addr>>16); | |
1656 | data->wBaseAddrLo = cpu_to_be16(addr); | |
1657 | data->bData[0] = mask; | |
1658 | data->bData[1] = byte; | |
1659 | ||
1660 | status = ti_command_out_sync(tdev, TI_WRITE_DATA, TI_RAM_PORT, 0, | |
1661 | (__u8 *)data, size); | |
1662 | ||
1663 | if (status < 0) | |
d53839cf | 1664 | dev_err(&port->dev, "%s - failed, %d\n", __func__, status); |
1da177e4 LT |
1665 | |
1666 | kfree(data); | |
1667 | ||
1668 | return status; | |
1669 | } | |
1670 | ||
95da310e AC |
1671 | static int ti_do_download(struct usb_device *dev, int pipe, |
1672 | u8 *buffer, int size) | |
1da177e4 | 1673 | { |
1da177e4 | 1674 | int pos; |
95da310e | 1675 | u8 cs = 0; |
1da177e4 | 1676 | int done; |
1da177e4 | 1677 | struct ti_firmware_header *header; |
87ea8c88 | 1678 | int status = 0; |
95da310e | 1679 | int len; |
a30fa793 AC |
1680 | |
1681 | for (pos = sizeof(struct ti_firmware_header); pos < size; pos++) | |
1da177e4 LT |
1682 | cs = (__u8)(cs + buffer[pos]); |
1683 | ||
1684 | header = (struct ti_firmware_header *)buffer; | |
a30fa793 | 1685 | header->wLength = cpu_to_le16((__u16)(size |
95da310e | 1686 | - sizeof(struct ti_firmware_header))); |
1da177e4 LT |
1687 | header->bCheckSum = cs; |
1688 | ||
d53839cf | 1689 | dev_dbg(&dev->dev, "%s - downloading firmware\n", __func__); |
95da310e AC |
1690 | for (pos = 0; pos < size; pos += done) { |
1691 | len = min(size - pos, TI_DOWNLOAD_MAX_PACKET_SIZE); | |
1692 | status = usb_bulk_msg(dev, pipe, buffer + pos, len, | |
1693 | &done, 1000); | |
1da177e4 LT |
1694 | if (status) |
1695 | break; | |
1696 | } | |
95da310e AC |
1697 | return status; |
1698 | } | |
1da177e4 | 1699 | |
05a3d905 | 1700 | static int ti_download_firmware(struct ti_device *tdev) |
95da310e | 1701 | { |
05a3d905 | 1702 | int status; |
95da310e AC |
1703 | int buffer_size; |
1704 | __u8 *buffer; | |
1705 | struct usb_device *dev = tdev->td_serial->dev; | |
1706 | unsigned int pipe = usb_sndbulkpipe(dev, | |
1707 | tdev->td_serial->port[0]->bulk_out_endpointAddress); | |
1708 | const struct firmware *fw_p; | |
1709 | char buf[32]; | |
1da177e4 | 1710 | |
b923c6c6 MO |
1711 | if (le16_to_cpu(dev->descriptor.idVendor) == MXU1_VENDOR_ID) { |
1712 | snprintf(buf, | |
1713 | sizeof(buf), | |
1714 | "moxa/moxa-%04x.fw", | |
1715 | le16_to_cpu(dev->descriptor.idProduct)); | |
1716 | ||
1717 | status = request_firmware(&fw_p, buf, &dev->dev); | |
1718 | goto check_firmware; | |
1719 | } | |
1720 | ||
05a3d905 | 1721 | /* try ID specific firmware first, then try generic firmware */ |
e877dd2f JH |
1722 | sprintf(buf, "ti_usb-v%04x-p%04x.fw", |
1723 | le16_to_cpu(dev->descriptor.idVendor), | |
1724 | le16_to_cpu(dev->descriptor.idProduct)); | |
72b27a07 AR |
1725 | status = request_firmware(&fw_p, buf, &dev->dev); |
1726 | ||
1727 | if (status != 0) { | |
cb7a7c6a | 1728 | buf[0] = '\0'; |
e877dd2f JH |
1729 | if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) { |
1730 | switch (le16_to_cpu(dev->descriptor.idProduct)) { | |
cb7a7c6a CA |
1731 | case MTS_CDMA_PRODUCT_ID: |
1732 | strcpy(buf, "mts_cdma.fw"); | |
1733 | break; | |
1734 | case MTS_GSM_PRODUCT_ID: | |
1735 | strcpy(buf, "mts_gsm.fw"); | |
1736 | break; | |
1737 | case MTS_EDGE_PRODUCT_ID: | |
1738 | strcpy(buf, "mts_edge.fw"); | |
1739 | break; | |
cdc04834 AM |
1740 | case MTS_MT9234MU_PRODUCT_ID: |
1741 | strcpy(buf, "mts_mt9234mu.fw"); | |
1742 | break; | |
1743 | case MTS_MT9234ZBA_PRODUCT_ID: | |
1744 | strcpy(buf, "mts_mt9234zba.fw"); | |
1745 | break; | |
1746 | case MTS_MT9234ZBAOLD_PRODUCT_ID: | |
1747 | strcpy(buf, "mts_mt9234zba.fw"); | |
1748 | break; } | |
cb7a7c6a CA |
1749 | } |
1750 | if (buf[0] == '\0') { | |
1751 | if (tdev->td_is_3410) | |
1752 | strcpy(buf, "ti_3410.fw"); | |
1753 | else | |
1754 | strcpy(buf, "ti_5052.fw"); | |
1755 | } | |
05a3d905 CA |
1756 | status = request_firmware(&fw_p, buf, &dev->dev); |
1757 | } | |
b923c6c6 MO |
1758 | |
1759 | check_firmware: | |
05a3d905 | 1760 | if (status) { |
95da310e AC |
1761 | dev_err(&dev->dev, "%s - firmware not found\n", __func__); |
1762 | return -ENOENT; | |
1763 | } | |
1764 | if (fw_p->size > TI_FIRMWARE_BUF_SIZE) { | |
75181f38 | 1765 | dev_err(&dev->dev, "%s - firmware too large %zu\n", __func__, fw_p->size); |
357f45db | 1766 | release_firmware(fw_p); |
95da310e AC |
1767 | return -ENOENT; |
1768 | } | |
1769 | ||
1770 | buffer_size = TI_FIRMWARE_BUF_SIZE + sizeof(struct ti_firmware_header); | |
1771 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1772 | if (buffer) { | |
1773 | memcpy(buffer, fw_p->data, fw_p->size); | |
1774 | memset(buffer + fw_p->size, 0xff, buffer_size - fw_p->size); | |
2bcbe4c1 | 1775 | status = ti_do_download(dev, pipe, buffer, fw_p->size); |
95da310e | 1776 | kfree(buffer); |
05a3d905 CA |
1777 | } else { |
1778 | status = -ENOMEM; | |
95da310e AC |
1779 | } |
1780 | release_firmware(fw_p); | |
1da177e4 | 1781 | if (status) { |
a30fa793 AC |
1782 | dev_err(&dev->dev, "%s - error downloading firmware, %d\n", |
1783 | __func__, status); | |
1da177e4 LT |
1784 | return status; |
1785 | } | |
1786 | ||
d53839cf | 1787 | dev_dbg(&dev->dev, "%s - download successful\n", __func__); |
1da177e4 LT |
1788 | |
1789 | return 0; | |
1790 | } |