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1da177e4 LT |
1 | /* |
2 | * Edgeport USB Serial Converter driver | |
3 | * | |
4 | * Copyright (C) 2000-2002 Inside Out Networks, All rights reserved. | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * Supports the following devices: | |
13 | * EP/1 EP/2 EP/4 EP/21 EP/22 EP/221 EP/42 EP/421 WATCHPORT | |
14 | * | |
15 | * For questions or problems with this driver, contact Inside Out | |
16 | * Networks technical support, or Peter Berger <pberger@brimson.com>, | |
17 | * or Al Borchers <alborchers@steinerpoint.com>. | |
18 | * | |
19 | * Version history: | |
20 | * | |
2742fd88 AC |
21 | * July 11, 2002 Removed 4 port device structure since all TI UMP |
22 | * chips have only 2 ports | |
1da177e4 LT |
23 | * David Iacovelli (davidi@ionetworks.com) |
24 | * | |
25 | */ | |
26 | ||
1da177e4 LT |
27 | #include <linux/kernel.h> |
28 | #include <linux/jiffies.h> | |
29 | #include <linux/errno.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/tty.h> | |
33 | #include <linux/tty_driver.h> | |
34 | #include <linux/tty_flip.h> | |
35 | #include <linux/module.h> | |
36 | #include <linux/spinlock.h> | |
241ca64f | 37 | #include <linux/mutex.h> |
1da177e4 | 38 | #include <linux/serial.h> |
d733cec1 | 39 | #include <linux/kfifo.h> |
1da177e4 | 40 | #include <linux/ioctl.h> |
d12b219a | 41 | #include <linux/firmware.h> |
2742fd88 | 42 | #include <linux/uaccess.h> |
1da177e4 | 43 | #include <linux/usb.h> |
a969888c | 44 | #include <linux/usb/serial.h> |
1da177e4 | 45 | |
1da177e4 LT |
46 | #include "io_16654.h" |
47 | #include "io_usbvend.h" | |
48 | #include "io_ti.h" | |
49 | ||
50 | /* | |
51 | * Version Information | |
52 | */ | |
fc4cbd75 | 53 | #define DRIVER_VERSION "v0.7mode043006" |
1da177e4 LT |
54 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com> and David Iacovelli" |
55 | #define DRIVER_DESC "Edgeport USB Serial Driver" | |
56 | ||
1da177e4 LT |
57 | #define EPROM_PAGE_SIZE 64 |
58 | ||
59 | ||
1da177e4 LT |
60 | /* different hardware types */ |
61 | #define HARDWARE_TYPE_930 0 | |
62 | #define HARDWARE_TYPE_TIUMP 1 | |
63 | ||
2742fd88 AC |
64 | /* IOCTL_PRIVATE_TI_GET_MODE Definitions */ |
65 | #define TI_MODE_CONFIGURING 0 /* Device has not entered start device */ | |
66 | #define TI_MODE_BOOT 1 /* Staying in boot mode */ | |
67 | #define TI_MODE_DOWNLOAD 2 /* Made it to download mode */ | |
68 | #define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but | |
69 | transitioning to download mode */ | |
1da177e4 LT |
70 | |
71 | /* read urb state */ | |
72 | #define EDGE_READ_URB_RUNNING 0 | |
73 | #define EDGE_READ_URB_STOPPING 1 | |
74 | #define EDGE_READ_URB_STOPPED 2 | |
75 | ||
1da177e4 LT |
76 | #define EDGE_CLOSING_WAIT 4000 /* in .01 sec */ |
77 | ||
78 | #define EDGE_OUT_BUF_SIZE 1024 | |
79 | ||
80 | ||
81 | /* Product information read from the Edgeport */ | |
2742fd88 AC |
82 | struct product_info { |
83 | int TiMode; /* Current TI Mode */ | |
84 | __u8 hardware_type; /* Type of hardware */ | |
1da177e4 LT |
85 | } __attribute__((packed)); |
86 | ||
1da177e4 LT |
87 | struct edgeport_port { |
88 | __u16 uart_base; | |
89 | __u16 dma_address; | |
90 | __u8 shadow_msr; | |
91 | __u8 shadow_mcr; | |
92 | __u8 shadow_lsr; | |
93 | __u8 lsr_mask; | |
19af5cdb | 94 | __u32 ump_read_timeout; /* Number of milliseconds the UMP will |
1da177e4 LT |
95 | wait without data before completing |
96 | a read short */ | |
97 | int baud_rate; | |
98 | int close_pending; | |
99 | int lsr_event; | |
1da177e4 LT |
100 | struct async_icount icount; |
101 | wait_queue_head_t delta_msr_wait; /* for handling sleeping while | |
102 | waiting for msr change to | |
103 | happen */ | |
104 | struct edgeport_serial *edge_serial; | |
105 | struct usb_serial_port *port; | |
2742fd88 | 106 | __u8 bUartMode; /* Port type, 0: RS232, etc. */ |
1da177e4 LT |
107 | spinlock_t ep_lock; |
108 | int ep_read_urb_state; | |
109 | int ep_write_urb_in_use; | |
d733cec1 | 110 | struct kfifo write_fifo; |
1da177e4 LT |
111 | }; |
112 | ||
113 | struct edgeport_serial { | |
114 | struct product_info product_info; | |
2742fd88 AC |
115 | u8 TI_I2C_Type; /* Type of I2C in UMP */ |
116 | u8 TiReadI2C; /* Set to TRUE if we have read the | |
117 | I2c in Boot Mode */ | |
241ca64f | 118 | struct mutex es_lock; |
1da177e4 LT |
119 | int num_ports_open; |
120 | struct usb_serial *serial; | |
121 | }; | |
122 | ||
123 | ||
124 | /* Devices that this driver supports */ | |
7d40d7e8 | 125 | static const struct usb_device_id edgeport_1port_id_table[] = { |
1da177e4 LT |
126 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
127 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
128 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
129 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
130 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
131 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
132 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
133 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
134 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
135 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
136 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
137 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
138 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
139 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
140 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
141 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
142 | { } | |
143 | }; | |
144 | ||
7d40d7e8 | 145 | static const struct usb_device_id edgeport_2port_id_table[] = { |
1da177e4 LT |
146 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, |
147 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
148 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
149 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
150 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
151 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
152 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
153 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
154 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
155 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
156 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
157 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
fc4cbd75 | 158 | /* The 4, 8 and 16 port devices show up as multiple 2 port devices */ |
1da177e4 | 159 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, |
fc4cbd75 MP |
160 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
161 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
162 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
163 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
164 | { } |
165 | }; | |
166 | ||
167 | /* Devices that this driver supports */ | |
7d40d7e8 | 168 | static const struct usb_device_id id_table_combined[] = { |
1da177e4 LT |
169 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
170 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
171 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
172 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
173 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
174 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
175 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
176 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
177 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
178 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
179 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
180 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
181 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
182 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
183 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
184 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
185 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, | |
186 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
187 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
188 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
189 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
190 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
191 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
192 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
193 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
194 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
195 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
196 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
197 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, | |
fc4cbd75 MP |
198 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
199 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
200 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
201 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
202 | { } |
203 | }; | |
204 | ||
2742fd88 | 205 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 LT |
206 | |
207 | static struct usb_driver io_driver = { | |
1da177e4 LT |
208 | .name = "io_ti", |
209 | .probe = usb_serial_probe, | |
210 | .disconnect = usb_serial_disconnect, | |
211 | .id_table = id_table_combined, | |
ba9dc657 | 212 | .no_dynamic_id = 1, |
1da177e4 LT |
213 | }; |
214 | ||
215 | ||
d12b219a JS |
216 | static unsigned char OperationalMajorVersion; |
217 | static unsigned char OperationalMinorVersion; | |
218 | static unsigned short OperationalBuildNumber; | |
1da177e4 LT |
219 | |
220 | static int debug; | |
221 | ||
1da177e4 | 222 | static int closing_wait = EDGE_CLOSING_WAIT; |
2742fd88 AC |
223 | static int ignore_cpu_rev; |
224 | static int default_uart_mode; /* RS232 */ | |
1da177e4 | 225 | |
2742fd88 AC |
226 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
227 | unsigned char *data, int length); | |
1da177e4 LT |
228 | |
229 | static void stop_read(struct edgeport_port *edge_port); | |
230 | static int restart_read(struct edgeport_port *edge_port); | |
231 | ||
95da310e AC |
232 | static void edge_set_termios(struct tty_struct *tty, |
233 | struct usb_serial_port *port, struct ktermios *old_termios); | |
234 | static void edge_send(struct tty_struct *tty); | |
1da177e4 | 235 | |
fc4cbd75 MP |
236 | /* sysfs attributes */ |
237 | static int edge_create_sysfs_attrs(struct usb_serial_port *port); | |
238 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port); | |
239 | ||
1da177e4 | 240 | |
2742fd88 AC |
241 | static int ti_vread_sync(struct usb_device *dev, __u8 request, |
242 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
243 | { |
244 | int status; | |
245 | ||
2742fd88 AC |
246 | status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, |
247 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN), | |
248 | value, index, data, size, 1000); | |
1da177e4 LT |
249 | if (status < 0) |
250 | return status; | |
251 | if (status != size) { | |
2742fd88 AC |
252 | dbg("%s - wanted to write %d, but only wrote %d", |
253 | __func__, size, status); | |
1da177e4 LT |
254 | return -ECOMM; |
255 | } | |
256 | return 0; | |
257 | } | |
258 | ||
2742fd88 AC |
259 | static int ti_vsend_sync(struct usb_device *dev, __u8 request, |
260 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
261 | { |
262 | int status; | |
263 | ||
2742fd88 AC |
264 | status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, |
265 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), | |
266 | value, index, data, size, 1000); | |
1da177e4 LT |
267 | if (status < 0) |
268 | return status; | |
269 | if (status != size) { | |
2742fd88 | 270 | dbg("%s - wanted to write %d, but only wrote %d", |
441b62c1 | 271 | __func__, size, status); |
1da177e4 LT |
272 | return -ECOMM; |
273 | } | |
274 | return 0; | |
275 | } | |
276 | ||
2742fd88 | 277 | static int send_cmd(struct usb_device *dev, __u8 command, |
1da177e4 LT |
278 | __u8 moduleid, __u16 value, u8 *data, |
279 | int size) | |
280 | { | |
2742fd88 | 281 | return ti_vsend_sync(dev, command, value, moduleid, data, size); |
1da177e4 LT |
282 | } |
283 | ||
284 | /* clear tx/rx buffers and fifo in TI UMP */ | |
2742fd88 | 285 | static int purge_port(struct usb_serial_port *port, __u16 mask) |
1da177e4 LT |
286 | { |
287 | int port_number = port->number - port->serial->minor; | |
288 | ||
2742fd88 | 289 | dbg("%s - port %d, mask %x", __func__, port_number, mask); |
1da177e4 | 290 | |
2742fd88 | 291 | return send_cmd(port->serial->dev, |
1da177e4 LT |
292 | UMPC_PURGE_PORT, |
293 | (__u8)(UMPM_UART1_PORT + port_number), | |
294 | mask, | |
295 | NULL, | |
296 | 0); | |
297 | } | |
298 | ||
299 | /** | |
2742fd88 | 300 | * read_download_mem - Read edgeport memory from TI chip |
1da177e4 LT |
301 | * @dev: usb device pointer |
302 | * @start_address: Device CPU address at which to read | |
303 | * @length: Length of above data | |
304 | * @address_type: Can read both XDATA and I2C | |
305 | * @buffer: pointer to input data buffer | |
306 | */ | |
2742fd88 | 307 | static int read_download_mem(struct usb_device *dev, int start_address, |
1da177e4 LT |
308 | int length, __u8 address_type, __u8 *buffer) |
309 | { | |
310 | int status = 0; | |
311 | __u8 read_length; | |
312 | __be16 be_start_address; | |
2742fd88 AC |
313 | |
314 | dbg("%s - @ %x for %d", __func__, start_address, length); | |
1da177e4 LT |
315 | |
316 | /* Read in blocks of 64 bytes | |
317 | * (TI firmware can't handle more than 64 byte reads) | |
318 | */ | |
319 | while (length) { | |
320 | if (length > 64) | |
2742fd88 | 321 | read_length = 64; |
1da177e4 LT |
322 | else |
323 | read_length = (__u8)length; | |
324 | ||
325 | if (read_length > 1) { | |
2742fd88 | 326 | dbg("%s - @ %x for %d", __func__, |
1da177e4 LT |
327 | start_address, read_length); |
328 | } | |
2742fd88 AC |
329 | be_start_address = cpu_to_be16(start_address); |
330 | status = ti_vread_sync(dev, UMPC_MEMORY_READ, | |
331 | (__u16)address_type, | |
332 | (__force __u16)be_start_address, | |
333 | buffer, read_length); | |
1da177e4 LT |
334 | |
335 | if (status) { | |
2742fd88 | 336 | dbg("%s - ERROR %x", __func__, status); |
1da177e4 LT |
337 | return status; |
338 | } | |
339 | ||
2742fd88 | 340 | if (read_length > 1) |
441b62c1 | 341 | usb_serial_debug_data(debug, &dev->dev, __func__, |
1da177e4 | 342 | read_length, buffer); |
1da177e4 LT |
343 | |
344 | /* Update pointers/length */ | |
345 | start_address += read_length; | |
346 | buffer += read_length; | |
347 | length -= read_length; | |
348 | } | |
2742fd88 | 349 | |
1da177e4 LT |
350 | return status; |
351 | } | |
352 | ||
2742fd88 AC |
353 | static int read_ram(struct usb_device *dev, int start_address, |
354 | int length, __u8 *buffer) | |
1da177e4 | 355 | { |
2742fd88 AC |
356 | return read_download_mem(dev, start_address, length, |
357 | DTK_ADDR_SPACE_XDATA, buffer); | |
1da177e4 LT |
358 | } |
359 | ||
360 | /* Read edgeport memory to a given block */ | |
2742fd88 AC |
361 | static int read_boot_mem(struct edgeport_serial *serial, |
362 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
363 | { |
364 | int status = 0; | |
365 | int i; | |
366 | ||
2742fd88 AC |
367 | for (i = 0; i < length; i++) { |
368 | status = ti_vread_sync(serial->serial->dev, | |
369 | UMPC_MEMORY_READ, serial->TI_I2C_Type, | |
370 | (__u16)(start_address+i), &buffer[i], 0x01); | |
1da177e4 | 371 | if (status) { |
2742fd88 | 372 | dbg("%s - ERROR %x", __func__, status); |
1da177e4 LT |
373 | return status; |
374 | } | |
375 | } | |
376 | ||
2742fd88 AC |
377 | dbg("%s - start_address = %x, length = %d", |
378 | __func__, start_address, length); | |
379 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
380 | __func__, length, buffer); | |
1da177e4 LT |
381 | |
382 | serial->TiReadI2C = 1; | |
383 | ||
384 | return status; | |
385 | } | |
386 | ||
387 | /* Write given block to TI EPROM memory */ | |
2742fd88 AC |
388 | static int write_boot_mem(struct edgeport_serial *serial, |
389 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
390 | { |
391 | int status = 0; | |
392 | int i; | |
e9305d2f | 393 | u8 *temp; |
1da177e4 LT |
394 | |
395 | /* Must do a read before write */ | |
396 | if (!serial->TiReadI2C) { | |
e9305d2f JH |
397 | temp = kmalloc(1, GFP_KERNEL); |
398 | if (!temp) { | |
399 | dev_err(&serial->serial->dev->dev, | |
400 | "%s - out of memory\n", __func__); | |
401 | return -ENOMEM; | |
402 | } | |
403 | status = read_boot_mem(serial, 0, 1, temp); | |
404 | kfree(temp); | |
1da177e4 LT |
405 | if (status) |
406 | return status; | |
407 | } | |
408 | ||
2742fd88 AC |
409 | for (i = 0; i < length; ++i) { |
410 | status = ti_vsend_sync(serial->serial->dev, | |
411 | UMPC_MEMORY_WRITE, buffer[i], | |
412 | (__u16)(i + start_address), NULL, 0); | |
1da177e4 LT |
413 | if (status) |
414 | return status; | |
415 | } | |
416 | ||
2742fd88 AC |
417 | dbg("%s - start_sddr = %x, length = %d", |
418 | __func__, start_address, length); | |
419 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
420 | __func__, length, buffer); | |
1da177e4 LT |
421 | |
422 | return status; | |
423 | } | |
424 | ||
425 | ||
426 | /* Write edgeport I2C memory to TI chip */ | |
2742fd88 AC |
427 | static int write_i2c_mem(struct edgeport_serial *serial, |
428 | int start_address, int length, __u8 address_type, __u8 *buffer) | |
1da177e4 LT |
429 | { |
430 | int status = 0; | |
431 | int write_length; | |
432 | __be16 be_start_address; | |
433 | ||
434 | /* We can only send a maximum of 1 aligned byte page at a time */ | |
2742fd88 | 435 | |
1da177e4 | 436 | /* calulate the number of bytes left in the first page */ |
2742fd88 AC |
437 | write_length = EPROM_PAGE_SIZE - |
438 | (start_address & (EPROM_PAGE_SIZE - 1)); | |
1da177e4 LT |
439 | |
440 | if (write_length > length) | |
441 | write_length = length; | |
442 | ||
2742fd88 AC |
443 | dbg("%s - BytesInFirstPage Addr = %x, length = %d", |
444 | __func__, start_address, write_length); | |
445 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
446 | __func__, write_length, buffer); | |
1da177e4 LT |
447 | |
448 | /* Write first page */ | |
2742fd88 AC |
449 | be_start_address = cpu_to_be16(start_address); |
450 | status = ti_vsend_sync(serial->serial->dev, | |
451 | UMPC_MEMORY_WRITE, (__u16)address_type, | |
452 | (__force __u16)be_start_address, | |
453 | buffer, write_length); | |
1da177e4 | 454 | if (status) { |
2742fd88 | 455 | dbg("%s - ERROR %d", __func__, status); |
1da177e4 LT |
456 | return status; |
457 | } | |
458 | ||
459 | length -= write_length; | |
460 | start_address += write_length; | |
461 | buffer += write_length; | |
462 | ||
2742fd88 AC |
463 | /* We should be aligned now -- can write |
464 | max page size bytes at a time */ | |
1da177e4 LT |
465 | while (length) { |
466 | if (length > EPROM_PAGE_SIZE) | |
467 | write_length = EPROM_PAGE_SIZE; | |
468 | else | |
469 | write_length = length; | |
470 | ||
2742fd88 AC |
471 | dbg("%s - Page Write Addr = %x, length = %d", |
472 | __func__, start_address, write_length); | |
473 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
474 | __func__, write_length, buffer); | |
1da177e4 LT |
475 | |
476 | /* Write next page */ | |
2742fd88 AC |
477 | be_start_address = cpu_to_be16(start_address); |
478 | status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, | |
479 | (__u16)address_type, | |
480 | (__force __u16)be_start_address, | |
481 | buffer, write_length); | |
1da177e4 | 482 | if (status) { |
2742fd88 AC |
483 | dev_err(&serial->serial->dev->dev, "%s - ERROR %d\n", |
484 | __func__, status); | |
1da177e4 LT |
485 | return status; |
486 | } | |
2742fd88 | 487 | |
1da177e4 LT |
488 | length -= write_length; |
489 | start_address += write_length; | |
490 | buffer += write_length; | |
491 | } | |
492 | return status; | |
493 | } | |
494 | ||
495 | /* Examine the UMP DMA registers and LSR | |
2742fd88 | 496 | * |
1da177e4 LT |
497 | * Check the MSBit of the X and Y DMA byte count registers. |
498 | * A zero in this bit indicates that the TX DMA buffers are empty | |
499 | * then check the TX Empty bit in the UART. | |
500 | */ | |
2742fd88 | 501 | static int tx_active(struct edgeport_port *port) |
1da177e4 LT |
502 | { |
503 | int status; | |
504 | struct out_endpoint_desc_block *oedb; | |
505 | __u8 *lsr; | |
506 | int bytes_left = 0; | |
507 | ||
2742fd88 | 508 | oedb = kmalloc(sizeof(*oedb), GFP_KERNEL); |
1da177e4 | 509 | if (!oedb) { |
2742fd88 | 510 | dev_err(&port->port->dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
511 | return -ENOMEM; |
512 | } | |
513 | ||
2742fd88 | 514 | lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte, |
1da177e4 LT |
515 | as not all platforms can do DMA |
516 | from stack */ | |
517 | if (!lsr) { | |
518 | kfree(oedb); | |
519 | return -ENOMEM; | |
520 | } | |
521 | /* Read the DMA Count Registers */ | |
2742fd88 AC |
522 | status = read_ram(port->port->serial->dev, port->dma_address, |
523 | sizeof(*oedb), (void *)oedb); | |
1da177e4 LT |
524 | if (status) |
525 | goto exit_is_tx_active; | |
526 | ||
2742fd88 | 527 | dbg("%s - XByteCount 0x%X", __func__, oedb->XByteCount); |
1da177e4 LT |
528 | |
529 | /* and the LSR */ | |
2742fd88 AC |
530 | status = read_ram(port->port->serial->dev, |
531 | port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr); | |
1da177e4 LT |
532 | |
533 | if (status) | |
534 | goto exit_is_tx_active; | |
2742fd88 AC |
535 | dbg("%s - LSR = 0x%X", __func__, *lsr); |
536 | ||
1da177e4 | 537 | /* If either buffer has data or we are transmitting then return TRUE */ |
2742fd88 | 538 | if ((oedb->XByteCount & 0x80) != 0) |
1da177e4 LT |
539 | bytes_left += 64; |
540 | ||
2742fd88 | 541 | if ((*lsr & UMP_UART_LSR_TX_MASK) == 0) |
1da177e4 LT |
542 | bytes_left += 1; |
543 | ||
544 | /* We return Not Active if we get any kind of error */ | |
545 | exit_is_tx_active: | |
2742fd88 | 546 | dbg("%s - return %d", __func__, bytes_left); |
1da177e4 LT |
547 | |
548 | kfree(lsr); | |
549 | kfree(oedb); | |
550 | return bytes_left; | |
551 | } | |
552 | ||
2742fd88 AC |
553 | static void chase_port(struct edgeport_port *port, unsigned long timeout, |
554 | int flush) | |
1da177e4 LT |
555 | { |
556 | int baud_rate; | |
4a90f09b | 557 | struct tty_struct *tty = tty_port_tty_get(&port->port->port); |
1da177e4 LT |
558 | wait_queue_t wait; |
559 | unsigned long flags; | |
560 | ||
561 | if (!timeout) | |
2742fd88 | 562 | timeout = (HZ * EDGE_CLOSING_WAIT)/100; |
1da177e4 LT |
563 | |
564 | /* wait for data to drain from the buffer */ | |
565 | spin_lock_irqsave(&port->ep_lock, flags); | |
566 | init_waitqueue_entry(&wait, current); | |
567 | add_wait_queue(&tty->write_wait, &wait); | |
568 | for (;;) { | |
569 | set_current_state(TASK_INTERRUPTIBLE); | |
d733cec1 | 570 | if (kfifo_len(&port->write_fifo) == 0 |
1da177e4 | 571 | || timeout == 0 || signal_pending(current) |
2742fd88 AC |
572 | || !usb_get_intfdata(port->port->serial->interface)) |
573 | /* disconnect */ | |
1da177e4 LT |
574 | break; |
575 | spin_unlock_irqrestore(&port->ep_lock, flags); | |
576 | timeout = schedule_timeout(timeout); | |
577 | spin_lock_irqsave(&port->ep_lock, flags); | |
578 | } | |
579 | set_current_state(TASK_RUNNING); | |
580 | remove_wait_queue(&tty->write_wait, &wait); | |
581 | if (flush) | |
d733cec1 | 582 | kfifo_reset_out(&port->write_fifo); |
1da177e4 | 583 | spin_unlock_irqrestore(&port->ep_lock, flags); |
4a90f09b | 584 | tty_kref_put(tty); |
1da177e4 LT |
585 | |
586 | /* wait for data to drain from the device */ | |
587 | timeout += jiffies; | |
588 | while ((long)(jiffies - timeout) < 0 && !signal_pending(current) | |
2742fd88 AC |
589 | && usb_get_intfdata(port->port->serial->interface)) { |
590 | /* not disconnected */ | |
591 | if (!tx_active(port)) | |
1da177e4 LT |
592 | break; |
593 | msleep(10); | |
594 | } | |
595 | ||
596 | /* disconnected */ | |
597 | if (!usb_get_intfdata(port->port->serial->interface)) | |
598 | return; | |
599 | ||
600 | /* wait one more character time, based on baud rate */ | |
2742fd88 AC |
601 | /* (tx_active doesn't seem to wait for the last byte) */ |
602 | baud_rate = port->baud_rate; | |
603 | if (baud_rate == 0) | |
1da177e4 | 604 | baud_rate = 50; |
dfa5ec79 | 605 | msleep(max(1, DIV_ROUND_UP(10000, baud_rate))); |
1da177e4 LT |
606 | } |
607 | ||
2742fd88 | 608 | static int choose_config(struct usb_device *dev) |
1da177e4 | 609 | { |
2742fd88 AC |
610 | /* |
611 | * There may be multiple configurations on this device, in which case | |
612 | * we would need to read and parse all of them to find out which one | |
613 | * we want. However, we just support one config at this point, | |
614 | * configuration # 1, which is Config Descriptor 0. | |
615 | */ | |
1da177e4 | 616 | |
2742fd88 AC |
617 | dbg("%s - Number of Interfaces = %d", |
618 | __func__, dev->config->desc.bNumInterfaces); | |
619 | dbg("%s - MAX Power = %d", | |
620 | __func__, dev->config->desc.bMaxPower * 2); | |
1da177e4 LT |
621 | |
622 | if (dev->config->desc.bNumInterfaces != 1) { | |
2742fd88 AC |
623 | dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", |
624 | __func__); | |
1da177e4 LT |
625 | return -ENODEV; |
626 | } | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
2742fd88 AC |
631 | static int read_rom(struct edgeport_serial *serial, |
632 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
633 | { |
634 | int status; | |
635 | ||
636 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
2742fd88 | 637 | status = read_download_mem(serial->serial->dev, |
1da177e4 LT |
638 | start_address, |
639 | length, | |
640 | serial->TI_I2C_Type, | |
641 | buffer); | |
642 | } else { | |
2742fd88 AC |
643 | status = read_boot_mem(serial, start_address, length, |
644 | buffer); | |
1da177e4 | 645 | } |
1da177e4 LT |
646 | return status; |
647 | } | |
648 | ||
2742fd88 AC |
649 | static int write_rom(struct edgeport_serial *serial, int start_address, |
650 | int length, __u8 *buffer) | |
1da177e4 LT |
651 | { |
652 | if (serial->product_info.TiMode == TI_MODE_BOOT) | |
2742fd88 AC |
653 | return write_boot_mem(serial, start_address, length, |
654 | buffer); | |
1da177e4 LT |
655 | |
656 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) | |
2742fd88 AC |
657 | return write_i2c_mem(serial, start_address, length, |
658 | serial->TI_I2C_Type, buffer); | |
1da177e4 LT |
659 | return -EINVAL; |
660 | } | |
661 | ||
662 | ||
663 | ||
664 | /* Read a descriptor header from I2C based on type */ | |
2742fd88 AC |
665 | static int get_descriptor_addr(struct edgeport_serial *serial, |
666 | int desc_type, struct ti_i2c_desc *rom_desc) | |
1da177e4 LT |
667 | { |
668 | int start_address; | |
669 | int status; | |
670 | ||
671 | /* Search for requested descriptor in I2C */ | |
672 | start_address = 2; | |
673 | do { | |
2742fd88 | 674 | status = read_rom(serial, |
1da177e4 LT |
675 | start_address, |
676 | sizeof(struct ti_i2c_desc), | |
2742fd88 | 677 | (__u8 *)rom_desc); |
1da177e4 LT |
678 | if (status) |
679 | return 0; | |
680 | ||
681 | if (rom_desc->Type == desc_type) | |
682 | return start_address; | |
683 | ||
2742fd88 AC |
684 | start_address = start_address + sizeof(struct ti_i2c_desc) |
685 | + rom_desc->Size; | |
1da177e4 LT |
686 | |
687 | } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); | |
2742fd88 | 688 | |
1da177e4 LT |
689 | return 0; |
690 | } | |
691 | ||
692 | /* Validate descriptor checksum */ | |
2742fd88 | 693 | static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer) |
1da177e4 LT |
694 | { |
695 | __u16 i; | |
696 | __u8 cs = 0; | |
697 | ||
2742fd88 | 698 | for (i = 0; i < rom_desc->Size; i++) |
1da177e4 | 699 | cs = (__u8)(cs + buffer[i]); |
2742fd88 | 700 | |
1da177e4 | 701 | if (cs != rom_desc->CheckSum) { |
2742fd88 | 702 | dbg("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); |
1da177e4 LT |
703 | return -EINVAL; |
704 | } | |
705 | return 0; | |
706 | } | |
707 | ||
708 | /* Make sure that the I2C image is good */ | |
2742fd88 | 709 | static int check_i2c_image(struct edgeport_serial *serial) |
1da177e4 LT |
710 | { |
711 | struct device *dev = &serial->serial->dev->dev; | |
712 | int status = 0; | |
713 | struct ti_i2c_desc *rom_desc; | |
714 | int start_address = 2; | |
715 | __u8 *buffer; | |
716 | __u16 ttype; | |
717 | ||
2742fd88 | 718 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 719 | if (!rom_desc) { |
2742fd88 | 720 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
721 | return -ENOMEM; |
722 | } | |
2742fd88 | 723 | buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL); |
1da177e4 | 724 | if (!buffer) { |
2742fd88 AC |
725 | dev_err(dev, "%s - out of memory when allocating buffer\n", |
726 | __func__); | |
727 | kfree(rom_desc); | |
1da177e4 LT |
728 | return -ENOMEM; |
729 | } | |
730 | ||
2742fd88 AC |
731 | /* Read the first byte (Signature0) must be 0x52 or 0x10 */ |
732 | status = read_rom(serial, 0, 1, buffer); | |
1da177e4 | 733 | if (status) |
2742fd88 | 734 | goto out; |
1da177e4 LT |
735 | |
736 | if (*buffer != UMP5152 && *buffer != UMP3410) { | |
2742fd88 | 737 | dev_err(dev, "%s - invalid buffer signature\n", __func__); |
1da177e4 | 738 | status = -ENODEV; |
2742fd88 | 739 | goto out; |
1da177e4 LT |
740 | } |
741 | ||
742 | do { | |
2742fd88 AC |
743 | /* Validate the I2C */ |
744 | status = read_rom(serial, | |
1da177e4 LT |
745 | start_address, |
746 | sizeof(struct ti_i2c_desc), | |
747 | (__u8 *)rom_desc); | |
748 | if (status) | |
749 | break; | |
750 | ||
2742fd88 AC |
751 | if ((start_address + sizeof(struct ti_i2c_desc) + |
752 | rom_desc->Size) > TI_MAX_I2C_SIZE) { | |
1da177e4 | 753 | status = -ENODEV; |
2742fd88 | 754 | dbg("%s - structure too big, erroring out.", __func__); |
1da177e4 LT |
755 | break; |
756 | } | |
757 | ||
2742fd88 | 758 | dbg("%s Type = 0x%x", __func__, rom_desc->Type); |
1da177e4 | 759 | |
2742fd88 | 760 | /* Skip type 2 record */ |
1da177e4 | 761 | ttype = rom_desc->Type & 0x0f; |
2742fd88 AC |
762 | if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC |
763 | && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) { | |
764 | /* Read the descriptor data */ | |
765 | status = read_rom(serial, start_address + | |
766 | sizeof(struct ti_i2c_desc), | |
767 | rom_desc->Size, buffer); | |
1da177e4 LT |
768 | if (status) |
769 | break; | |
770 | ||
2742fd88 | 771 | status = valid_csum(rom_desc, buffer); |
1da177e4 LT |
772 | if (status) |
773 | break; | |
774 | } | |
2742fd88 AC |
775 | start_address = start_address + sizeof(struct ti_i2c_desc) + |
776 | rom_desc->Size; | |
1da177e4 | 777 | |
2742fd88 AC |
778 | } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && |
779 | (start_address < TI_MAX_I2C_SIZE)); | |
1da177e4 | 780 | |
2742fd88 AC |
781 | if ((rom_desc->Type != I2C_DESC_TYPE_ION) || |
782 | (start_address > TI_MAX_I2C_SIZE)) | |
1da177e4 LT |
783 | status = -ENODEV; |
784 | ||
2742fd88 AC |
785 | out: |
786 | kfree(buffer); | |
787 | kfree(rom_desc); | |
1da177e4 LT |
788 | return status; |
789 | } | |
790 | ||
2742fd88 | 791 | static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer) |
1da177e4 LT |
792 | { |
793 | int status; | |
794 | int start_address; | |
795 | struct ti_i2c_desc *rom_desc; | |
796 | struct edge_ti_manuf_descriptor *desc; | |
797 | ||
2742fd88 | 798 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 799 | if (!rom_desc) { |
2742fd88 AC |
800 | dev_err(&serial->serial->dev->dev, "%s - out of memory\n", |
801 | __func__); | |
1da177e4 LT |
802 | return -ENOMEM; |
803 | } | |
2742fd88 AC |
804 | start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION, |
805 | rom_desc); | |
1da177e4 LT |
806 | |
807 | if (!start_address) { | |
2742fd88 | 808 | dbg("%s - Edge Descriptor not found in I2C", __func__); |
1da177e4 LT |
809 | status = -ENODEV; |
810 | goto exit; | |
811 | } | |
812 | ||
2742fd88 AC |
813 | /* Read the descriptor data */ |
814 | status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc), | |
815 | rom_desc->Size, buffer); | |
1da177e4 LT |
816 | if (status) |
817 | goto exit; | |
2742fd88 AC |
818 | |
819 | status = valid_csum(rom_desc, buffer); | |
820 | ||
1da177e4 | 821 | desc = (struct edge_ti_manuf_descriptor *)buffer; |
2742fd88 AC |
822 | dbg("%s - IonConfig 0x%x", __func__, desc->IonConfig); |
823 | dbg("%s - Version %d", __func__, desc->Version); | |
824 | dbg("%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev); | |
825 | dbg("%s - NumPorts %d", __func__, desc->NumPorts); | |
826 | dbg("%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts); | |
827 | dbg("%s - TotalPorts %d", __func__, desc->TotalPorts); | |
1da177e4 LT |
828 | |
829 | exit: | |
2742fd88 | 830 | kfree(rom_desc); |
1da177e4 LT |
831 | return status; |
832 | } | |
833 | ||
834 | /* Build firmware header used for firmware update */ | |
2742fd88 | 835 | static int build_i2c_fw_hdr(__u8 *header, struct device *dev) |
1da177e4 LT |
836 | { |
837 | __u8 *buffer; | |
838 | int buffer_size; | |
839 | int i; | |
d12b219a | 840 | int err; |
1da177e4 LT |
841 | __u8 cs = 0; |
842 | struct ti_i2c_desc *i2c_header; | |
843 | struct ti_i2c_image_header *img_header; | |
844 | struct ti_i2c_firmware_rec *firmware_rec; | |
d12b219a JS |
845 | const struct firmware *fw; |
846 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 | 847 | |
2742fd88 AC |
848 | /* In order to update the I2C firmware we must change the type 2 record |
849 | * to type 0xF2. This will force the UMP to come up in Boot Mode. | |
850 | * Then while in boot mode, the driver will download the latest | |
851 | * firmware (padded to 15.5k) into the UMP ram. And finally when the | |
852 | * device comes back up in download mode the driver will cause the new | |
853 | * firmware to be copied from the UMP Ram to I2C and the firmware will | |
854 | * update the record type from 0xf2 to 0x02. | |
855 | */ | |
856 | ||
857 | /* Allocate a 15.5k buffer + 2 bytes for version number | |
858 | * (Firmware Record) */ | |
859 | buffer_size = (((1024 * 16) - 512 ) + | |
860 | sizeof(struct ti_i2c_firmware_rec)); | |
861 | ||
862 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 863 | if (!buffer) { |
2742fd88 | 864 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
865 | return -ENOMEM; |
866 | } | |
2742fd88 | 867 | |
1da177e4 | 868 | // Set entire image of 0xffs |
2742fd88 | 869 | memset(buffer, 0xff, buffer_size); |
1da177e4 | 870 | |
d12b219a JS |
871 | err = request_firmware(&fw, fw_name, dev); |
872 | if (err) { | |
873 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | |
874 | fw_name, err); | |
875 | kfree(buffer); | |
876 | return err; | |
877 | } | |
878 | ||
879 | /* Save Download Version Number */ | |
880 | OperationalMajorVersion = fw->data[0]; | |
881 | OperationalMinorVersion = fw->data[1]; | |
882 | OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); | |
883 | ||
2742fd88 | 884 | /* Copy version number into firmware record */ |
1da177e4 LT |
885 | firmware_rec = (struct ti_i2c_firmware_rec *)buffer; |
886 | ||
d12b219a JS |
887 | firmware_rec->Ver_Major = OperationalMajorVersion; |
888 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 | 889 | |
2742fd88 | 890 | /* Pointer to fw_down memory image */ |
d12b219a | 891 | img_header = (struct ti_i2c_image_header *)&fw->data[4]; |
1da177e4 | 892 | |
2742fd88 | 893 | memcpy(buffer + sizeof(struct ti_i2c_firmware_rec), |
d12b219a | 894 | &fw->data[4 + sizeof(struct ti_i2c_image_header)], |
1da177e4 LT |
895 | le16_to_cpu(img_header->Length)); |
896 | ||
d12b219a JS |
897 | release_firmware(fw); |
898 | ||
1da177e4 LT |
899 | for (i=0; i < buffer_size; i++) { |
900 | cs = (__u8)(cs + buffer[i]); | |
901 | } | |
902 | ||
2742fd88 | 903 | kfree(buffer); |
1da177e4 | 904 | |
2742fd88 | 905 | /* Build new header */ |
1da177e4 LT |
906 | i2c_header = (struct ti_i2c_desc *)header; |
907 | firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; | |
2742fd88 | 908 | |
1da177e4 LT |
909 | i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; |
910 | i2c_header->Size = (__u16)buffer_size; | |
911 | i2c_header->CheckSum = cs; | |
d12b219a JS |
912 | firmware_rec->Ver_Major = OperationalMajorVersion; |
913 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 LT |
914 | |
915 | return 0; | |
916 | } | |
917 | ||
918 | /* Try to figure out what type of I2c we have */ | |
2742fd88 | 919 | static int i2c_type_bootmode(struct edgeport_serial *serial) |
1da177e4 LT |
920 | { |
921 | int status; | |
e9305d2f JH |
922 | u8 *data; |
923 | ||
924 | data = kmalloc(1, GFP_KERNEL); | |
925 | if (!data) { | |
926 | dev_err(&serial->serial->dev->dev, | |
927 | "%s - out of memory\n", __func__); | |
928 | return -ENOMEM; | |
929 | } | |
2742fd88 AC |
930 | |
931 | /* Try to read type 2 */ | |
932 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 933 | DTK_ADDR_SPACE_I2C_TYPE_II, 0, data, 0x01); |
1da177e4 | 934 | if (status) |
2742fd88 | 935 | dbg("%s - read 2 status error = %d", __func__, status); |
1da177e4 | 936 | else |
e9305d2f JH |
937 | dbg("%s - read 2 data = 0x%x", __func__, *data); |
938 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { | |
2742fd88 | 939 | dbg("%s - ROM_TYPE_II", __func__); |
1da177e4 | 940 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f | 941 | goto out; |
1da177e4 LT |
942 | } |
943 | ||
2742fd88 AC |
944 | /* Try to read type 3 */ |
945 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 946 | DTK_ADDR_SPACE_I2C_TYPE_III, 0, data, 0x01); |
1da177e4 | 947 | if (status) |
2742fd88 | 948 | dbg("%s - read 3 status error = %d", __func__, status); |
1da177e4 | 949 | else |
e9305d2f JH |
950 | dbg("%s - read 2 data = 0x%x", __func__, *data); |
951 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { | |
2742fd88 | 952 | dbg("%s - ROM_TYPE_III", __func__); |
1da177e4 | 953 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III; |
e9305d2f | 954 | goto out; |
1da177e4 LT |
955 | } |
956 | ||
2742fd88 | 957 | dbg("%s - Unknown", __func__); |
1da177e4 | 958 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f JH |
959 | status = -ENODEV; |
960 | out: | |
961 | kfree(data); | |
962 | return status; | |
1da177e4 LT |
963 | } |
964 | ||
2742fd88 AC |
965 | static int bulk_xfer(struct usb_serial *serial, void *buffer, |
966 | int length, int *num_sent) | |
1da177e4 LT |
967 | { |
968 | int status; | |
969 | ||
2742fd88 AC |
970 | status = usb_bulk_msg(serial->dev, |
971 | usb_sndbulkpipe(serial->dev, | |
972 | serial->port[0]->bulk_out_endpointAddress), | |
973 | buffer, length, num_sent, 1000); | |
1da177e4 LT |
974 | return status; |
975 | } | |
976 | ||
977 | /* Download given firmware image to the device (IN BOOT MODE) */ | |
2742fd88 AC |
978 | static int download_code(struct edgeport_serial *serial, __u8 *image, |
979 | int image_length) | |
1da177e4 LT |
980 | { |
981 | int status = 0; | |
982 | int pos; | |
983 | int transfer; | |
984 | int done; | |
985 | ||
2742fd88 | 986 | /* Transfer firmware image */ |
1da177e4 | 987 | for (pos = 0; pos < image_length; ) { |
2742fd88 | 988 | /* Read the next buffer from file */ |
1da177e4 LT |
989 | transfer = image_length - pos; |
990 | if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE) | |
991 | transfer = EDGE_FW_BULK_MAX_PACKET_SIZE; | |
992 | ||
2742fd88 AC |
993 | /* Transfer data */ |
994 | status = bulk_xfer(serial->serial, &image[pos], | |
995 | transfer, &done); | |
1da177e4 LT |
996 | if (status) |
997 | break; | |
2742fd88 | 998 | /* Advance buffer pointer */ |
1da177e4 LT |
999 | pos += done; |
1000 | } | |
1001 | ||
1002 | return status; | |
1003 | } | |
1004 | ||
2742fd88 AC |
1005 | /* FIXME!!! */ |
1006 | static int config_boot_dev(struct usb_device *dev) | |
1da177e4 LT |
1007 | { |
1008 | return 0; | |
1009 | } | |
1010 | ||
2742fd88 AC |
1011 | static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc) |
1012 | { | |
1013 | return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev); | |
1014 | } | |
1015 | ||
1da177e4 LT |
1016 | /** |
1017 | * DownloadTIFirmware - Download run-time operating firmware to the TI5052 | |
2742fd88 | 1018 | * |
1da177e4 LT |
1019 | * This routine downloads the main operating code into the TI5052, using the |
1020 | * boot code already burned into E2PROM or ROM. | |
1021 | */ | |
2742fd88 | 1022 | static int download_fw(struct edgeport_serial *serial) |
1da177e4 LT |
1023 | { |
1024 | struct device *dev = &serial->serial->dev->dev; | |
1025 | int status = 0; | |
1026 | int start_address; | |
1027 | struct edge_ti_manuf_descriptor *ti_manuf_desc; | |
1028 | struct usb_interface_descriptor *interface; | |
1029 | int download_cur_ver; | |
1030 | int download_new_ver; | |
1031 | ||
1032 | /* This routine is entered by both the BOOT mode and the Download mode | |
1033 | * We can determine which code is running by the reading the config | |
1034 | * descriptor and if we have only one bulk pipe it is in boot mode | |
1035 | */ | |
1036 | serial->product_info.hardware_type = HARDWARE_TYPE_TIUMP; | |
1037 | ||
1038 | /* Default to type 2 i2c */ | |
1039 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; | |
1040 | ||
2742fd88 | 1041 | status = choose_config(serial->serial->dev); |
1da177e4 LT |
1042 | if (status) |
1043 | return status; | |
1044 | ||
1045 | interface = &serial->serial->interface->cur_altsetting->desc; | |
1046 | if (!interface) { | |
2742fd88 | 1047 | dev_err(dev, "%s - no interface set, error!\n", __func__); |
1da177e4 LT |
1048 | return -ENODEV; |
1049 | } | |
1050 | ||
2742fd88 AC |
1051 | /* |
1052 | * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING | |
1053 | * if we have more than one endpoint we are definitely in download | |
1054 | * mode | |
1055 | */ | |
1da177e4 LT |
1056 | if (interface->bNumEndpoints > 1) |
1057 | serial->product_info.TiMode = TI_MODE_DOWNLOAD; | |
1058 | else | |
2742fd88 | 1059 | /* Otherwise we will remain in configuring mode */ |
1da177e4 LT |
1060 | serial->product_info.TiMode = TI_MODE_CONFIGURING; |
1061 | ||
1da177e4 LT |
1062 | /********************************************************************/ |
1063 | /* Download Mode */ | |
1064 | /********************************************************************/ | |
1065 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
1066 | struct ti_i2c_desc *rom_desc; | |
1067 | ||
9544e833 | 1068 | dbg("%s - RUNNING IN DOWNLOAD MODE", __func__); |
1da177e4 | 1069 | |
2742fd88 | 1070 | status = check_i2c_image(serial); |
1da177e4 | 1071 | if (status) { |
9544e833 | 1072 | dbg("%s - DOWNLOAD MODE -- BAD I2C", __func__); |
1da177e4 LT |
1073 | return status; |
1074 | } | |
2742fd88 | 1075 | |
1da177e4 LT |
1076 | /* Validate Hardware version number |
1077 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1078 | */ | |
2742fd88 | 1079 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1080 | if (!ti_manuf_desc) { |
2742fd88 | 1081 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1082 | return -ENOMEM; |
1083 | } | |
2742fd88 | 1084 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1085 | if (status) { |
2742fd88 | 1086 | kfree(ti_manuf_desc); |
1da177e4 LT |
1087 | return status; |
1088 | } | |
1089 | ||
2742fd88 AC |
1090 | /* Check version number of ION descriptor */ |
1091 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
1092 | dbg("%s - Wrong CPU Rev %d (Must be 2)", | |
1093 | __func__, ti_cpu_rev(ti_manuf_desc)); | |
1094 | kfree(ti_manuf_desc); | |
1095 | return -EINVAL; | |
1096 | } | |
1da177e4 | 1097 | |
2742fd88 | 1098 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 1099 | if (!rom_desc) { |
2742fd88 AC |
1100 | dev_err(dev, "%s - out of memory.\n", __func__); |
1101 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1102 | return -ENOMEM; |
1103 | } | |
1104 | ||
2742fd88 AC |
1105 | /* Search for type 2 record (firmware record) */ |
1106 | start_address = get_descriptor_addr(serial, | |
1107 | I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); | |
1108 | if (start_address != 0) { | |
1da177e4 | 1109 | struct ti_i2c_firmware_rec *firmware_version; |
e9305d2f | 1110 | u8 *record; |
1da177e4 | 1111 | |
2742fd88 AC |
1112 | dbg("%s - Found Type FIRMWARE (Type 2) record", |
1113 | __func__); | |
1da177e4 | 1114 | |
2742fd88 AC |
1115 | firmware_version = kmalloc(sizeof(*firmware_version), |
1116 | GFP_KERNEL); | |
1da177e4 | 1117 | if (!firmware_version) { |
2742fd88 AC |
1118 | dev_err(dev, "%s - out of memory.\n", __func__); |
1119 | kfree(rom_desc); | |
1120 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1121 | return -ENOMEM; |
1122 | } | |
1123 | ||
2742fd88 AC |
1124 | /* Validate version number |
1125 | * Read the descriptor data | |
1126 | */ | |
1127 | status = read_rom(serial, start_address + | |
1128 | sizeof(struct ti_i2c_desc), | |
1da177e4 LT |
1129 | sizeof(struct ti_i2c_firmware_rec), |
1130 | (__u8 *)firmware_version); | |
1131 | if (status) { | |
2742fd88 AC |
1132 | kfree(firmware_version); |
1133 | kfree(rom_desc); | |
1134 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1135 | return status; |
1136 | } | |
1137 | ||
2742fd88 AC |
1138 | /* Check version number of download with current |
1139 | version in I2c */ | |
1140 | download_cur_ver = (firmware_version->Ver_Major << 8) + | |
1da177e4 | 1141 | (firmware_version->Ver_Minor); |
d12b219a JS |
1142 | download_new_ver = (OperationalMajorVersion << 8) + |
1143 | (OperationalMinorVersion); | |
1da177e4 | 1144 | |
2742fd88 AC |
1145 | dbg("%s - >> FW Versions Device %d.%d Driver %d.%d", |
1146 | __func__, | |
1147 | firmware_version->Ver_Major, | |
1148 | firmware_version->Ver_Minor, | |
1149 | OperationalMajorVersion, | |
1150 | OperationalMinorVersion); | |
1da177e4 | 1151 | |
2742fd88 AC |
1152 | /* Check if we have an old version in the I2C and |
1153 | update if necessary */ | |
0827a9ff | 1154 | if (download_cur_ver < download_new_ver) { |
2742fd88 AC |
1155 | dbg("%s - Update I2C dld from %d.%d to %d.%d", |
1156 | __func__, | |
1157 | firmware_version->Ver_Major, | |
1158 | firmware_version->Ver_Minor, | |
1159 | OperationalMajorVersion, | |
1160 | OperationalMinorVersion); | |
1161 | ||
e9305d2f JH |
1162 | record = kmalloc(1, GFP_KERNEL); |
1163 | if (!record) { | |
1164 | dev_err(dev, "%s - out of memory.\n", | |
1165 | __func__); | |
1166 | kfree(firmware_version); | |
1167 | kfree(rom_desc); | |
1168 | kfree(ti_manuf_desc); | |
1169 | return -ENOMEM; | |
1170 | } | |
2742fd88 AC |
1171 | /* In order to update the I2C firmware we must |
1172 | * change the type 2 record to type 0xF2. This | |
1173 | * will force the UMP to come up in Boot Mode. | |
1174 | * Then while in boot mode, the driver will | |
1175 | * download the latest firmware (padded to | |
1176 | * 15.5k) into the UMP ram. Finally when the | |
1177 | * device comes back up in download mode the | |
1178 | * driver will cause the new firmware to be | |
1179 | * copied from the UMP Ram to I2C and the | |
1180 | * firmware will update the record type from | |
1181 | * 0xf2 to 0x02. | |
1182 | */ | |
e9305d2f | 1183 | *record = I2C_DESC_TYPE_FIRMWARE_BLANK; |
1da177e4 | 1184 | |
2742fd88 AC |
1185 | /* Change the I2C Firmware record type to |
1186 | 0xf2 to trigger an update */ | |
1187 | status = write_rom(serial, start_address, | |
e9305d2f | 1188 | sizeof(*record), record); |
1da177e4 | 1189 | if (status) { |
e9305d2f | 1190 | kfree(record); |
2742fd88 AC |
1191 | kfree(firmware_version); |
1192 | kfree(rom_desc); | |
1193 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1194 | return status; |
1195 | } | |
1196 | ||
2742fd88 AC |
1197 | /* verify the write -- must do this in order |
1198 | * for write to complete before we do the | |
1199 | * hardware reset | |
1200 | */ | |
1201 | status = read_rom(serial, | |
1da177e4 | 1202 | start_address, |
e9305d2f JH |
1203 | sizeof(*record), |
1204 | record); | |
1da177e4 | 1205 | if (status) { |
e9305d2f | 1206 | kfree(record); |
2742fd88 AC |
1207 | kfree(firmware_version); |
1208 | kfree(rom_desc); | |
1209 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1210 | return status; |
1211 | } | |
1212 | ||
e9305d2f | 1213 | if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) { |
2742fd88 AC |
1214 | dev_err(dev, |
1215 | "%s - error resetting device\n", | |
1216 | __func__); | |
e9305d2f | 1217 | kfree(record); |
2742fd88 AC |
1218 | kfree(firmware_version); |
1219 | kfree(rom_desc); | |
1220 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1221 | return -ENODEV; |
1222 | } | |
1223 | ||
2742fd88 | 1224 | dbg("%s - HARDWARE RESET", __func__); |
1da177e4 | 1225 | |
2742fd88 AC |
1226 | /* Reset UMP -- Back to BOOT MODE */ |
1227 | status = ti_vsend_sync(serial->serial->dev, | |
1228 | UMPC_HARDWARE_RESET, | |
1229 | 0, 0, NULL, 0); | |
1da177e4 | 1230 | |
2742fd88 AC |
1231 | dbg("%s - HARDWARE RESET return %d", |
1232 | __func__, status); | |
1da177e4 LT |
1233 | |
1234 | /* return an error on purpose. */ | |
e9305d2f | 1235 | kfree(record); |
2742fd88 AC |
1236 | kfree(firmware_version); |
1237 | kfree(rom_desc); | |
1238 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1239 | return -ENODEV; |
1240 | } | |
2742fd88 | 1241 | kfree(firmware_version); |
1da177e4 | 1242 | } |
2742fd88 AC |
1243 | /* Search for type 0xF2 record (firmware blank record) */ |
1244 | else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { | |
1245 | #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \ | |
1246 | sizeof(struct ti_i2c_firmware_rec)) | |
1da177e4 LT |
1247 | __u8 *header; |
1248 | __u8 *vheader; | |
1249 | ||
2742fd88 | 1250 | header = kmalloc(HEADER_SIZE, GFP_KERNEL); |
1da177e4 | 1251 | if (!header) { |
2742fd88 AC |
1252 | dev_err(dev, "%s - out of memory.\n", __func__); |
1253 | kfree(rom_desc); | |
1254 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1255 | return -ENOMEM; |
1256 | } | |
2742fd88 AC |
1257 | |
1258 | vheader = kmalloc(HEADER_SIZE, GFP_KERNEL); | |
1da177e4 | 1259 | if (!vheader) { |
2742fd88 AC |
1260 | dev_err(dev, "%s - out of memory.\n", __func__); |
1261 | kfree(header); | |
1262 | kfree(rom_desc); | |
1263 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1264 | return -ENOMEM; |
1265 | } | |
2742fd88 AC |
1266 | |
1267 | dbg("%s - Found Type BLANK FIRMWARE (Type F2) record", | |
1268 | __func__); | |
1269 | ||
1270 | /* | |
1271 | * In order to update the I2C firmware we must change | |
1272 | * the type 2 record to type 0xF2. This will force the | |
1273 | * UMP to come up in Boot Mode. Then while in boot | |
1274 | * mode, the driver will download the latest firmware | |
1275 | * (padded to 15.5k) into the UMP ram. Finally when the | |
1276 | * device comes back up in download mode the driver | |
1277 | * will cause the new firmware to be copied from the | |
1278 | * UMP Ram to I2C and the firmware will update the | |
1279 | * record type from 0xf2 to 0x02. | |
1280 | */ | |
1281 | status = build_i2c_fw_hdr(header, dev); | |
1da177e4 | 1282 | if (status) { |
2742fd88 AC |
1283 | kfree(vheader); |
1284 | kfree(header); | |
1285 | kfree(rom_desc); | |
1286 | kfree(ti_manuf_desc); | |
fd6e5bbb | 1287 | return -EINVAL; |
1da177e4 LT |
1288 | } |
1289 | ||
2742fd88 AC |
1290 | /* Update I2C with type 0xf2 record with correct |
1291 | size and checksum */ | |
1292 | status = write_rom(serial, | |
1da177e4 LT |
1293 | start_address, |
1294 | HEADER_SIZE, | |
1295 | header); | |
1296 | if (status) { | |
2742fd88 AC |
1297 | kfree(vheader); |
1298 | kfree(header); | |
1299 | kfree(rom_desc); | |
1300 | kfree(ti_manuf_desc); | |
9800eb33 | 1301 | return -EINVAL; |
1da177e4 LT |
1302 | } |
1303 | ||
2742fd88 AC |
1304 | /* verify the write -- must do this in order for |
1305 | write to complete before we do the hardware reset */ | |
1306 | status = read_rom(serial, start_address, | |
1307 | HEADER_SIZE, vheader); | |
1da177e4 LT |
1308 | |
1309 | if (status) { | |
2742fd88 AC |
1310 | dbg("%s - can't read header back", __func__); |
1311 | kfree(vheader); | |
1312 | kfree(header); | |
1313 | kfree(rom_desc); | |
1314 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1315 | return status; |
1316 | } | |
1317 | if (memcmp(vheader, header, HEADER_SIZE)) { | |
2742fd88 AC |
1318 | dbg("%s - write download record failed", |
1319 | __func__); | |
1320 | kfree(vheader); | |
1321 | kfree(header); | |
1322 | kfree(rom_desc); | |
1323 | kfree(ti_manuf_desc); | |
1e29709e | 1324 | return -EINVAL; |
1da177e4 LT |
1325 | } |
1326 | ||
2742fd88 AC |
1327 | kfree(vheader); |
1328 | kfree(header); | |
1da177e4 | 1329 | |
2742fd88 | 1330 | dbg("%s - Start firmware update", __func__); |
1da177e4 | 1331 | |
2742fd88 AC |
1332 | /* Tell firmware to copy download image into I2C */ |
1333 | status = ti_vsend_sync(serial->serial->dev, | |
1334 | UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0); | |
1da177e4 | 1335 | |
2742fd88 | 1336 | dbg("%s - Update complete 0x%x", __func__, status); |
1da177e4 | 1337 | if (status) { |
2742fd88 AC |
1338 | dev_err(dev, |
1339 | "%s - UMPC_COPY_DNLD_TO_I2C failed\n", | |
1340 | __func__); | |
1341 | kfree(rom_desc); | |
1342 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1343 | return status; |
1344 | } | |
1345 | } | |
1346 | ||
1347 | // The device is running the download code | |
2742fd88 AC |
1348 | kfree(rom_desc); |
1349 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1350 | return 0; |
1351 | } | |
1352 | ||
1353 | /********************************************************************/ | |
1354 | /* Boot Mode */ | |
1355 | /********************************************************************/ | |
9544e833 | 1356 | dbg("%s - RUNNING IN BOOT MODE", __func__); |
1da177e4 | 1357 | |
2742fd88 AC |
1358 | /* Configure the TI device so we can use the BULK pipes for download */ |
1359 | status = config_boot_dev(serial->serial->dev); | |
1da177e4 LT |
1360 | if (status) |
1361 | return status; | |
1362 | ||
2742fd88 AC |
1363 | if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) |
1364 | != USB_VENDOR_ID_ION) { | |
1365 | dbg("%s - VID = 0x%x", __func__, | |
1da177e4 LT |
1366 | le16_to_cpu(serial->serial->dev->descriptor.idVendor)); |
1367 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; | |
2742fd88 | 1368 | goto stayinbootmode; |
1da177e4 LT |
1369 | } |
1370 | ||
2742fd88 AC |
1371 | /* We have an ION device (I2c Must be programmed) |
1372 | Determine I2C image type */ | |
1373 | if (i2c_type_bootmode(serial)) | |
1374 | goto stayinbootmode; | |
1da177e4 | 1375 | |
2742fd88 AC |
1376 | /* Check for ION Vendor ID and that the I2C is valid */ |
1377 | if (!check_i2c_image(serial)) { | |
1da177e4 LT |
1378 | struct ti_i2c_image_header *header; |
1379 | int i; | |
1380 | __u8 cs = 0; | |
1381 | __u8 *buffer; | |
1382 | int buffer_size; | |
d12b219a JS |
1383 | int err; |
1384 | const struct firmware *fw; | |
1385 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 LT |
1386 | |
1387 | /* Validate Hardware version number | |
1388 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1389 | */ | |
2742fd88 | 1390 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1391 | if (!ti_manuf_desc) { |
2742fd88 | 1392 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1393 | return -ENOMEM; |
1394 | } | |
2742fd88 | 1395 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1396 | if (status) { |
2742fd88 AC |
1397 | kfree(ti_manuf_desc); |
1398 | goto stayinbootmode; | |
1da177e4 LT |
1399 | } |
1400 | ||
2742fd88 AC |
1401 | /* Check for version 2 */ |
1402 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
1403 | dbg("%s - Wrong CPU Rev %d (Must be 2)", | |
1404 | __func__, ti_cpu_rev(ti_manuf_desc)); | |
1405 | kfree(ti_manuf_desc); | |
1406 | goto stayinbootmode; | |
1da177e4 LT |
1407 | } |
1408 | ||
2742fd88 | 1409 | kfree(ti_manuf_desc); |
1da177e4 | 1410 | |
1da177e4 | 1411 | /* |
2742fd88 AC |
1412 | * In order to update the I2C firmware we must change the type |
1413 | * 2 record to type 0xF2. This will force the UMP to come up | |
1414 | * in Boot Mode. Then while in boot mode, the driver will | |
1415 | * download the latest firmware (padded to 15.5k) into the | |
1416 | * UMP ram. Finally when the device comes back up in download | |
1417 | * mode the driver will cause the new firmware to be copied | |
1418 | * from the UMP Ram to I2C and the firmware will update the | |
1419 | * record type from 0xf2 to 0x02. | |
1420 | * | |
1da177e4 LT |
1421 | * Do we really have to copy the whole firmware image, |
1422 | * or could we do this in place! | |
1423 | */ | |
1424 | ||
2742fd88 AC |
1425 | /* Allocate a 15.5k buffer + 3 byte header */ |
1426 | buffer_size = (((1024 * 16) - 512) + | |
1427 | sizeof(struct ti_i2c_image_header)); | |
1428 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 1429 | if (!buffer) { |
2742fd88 | 1430 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
1431 | return -ENOMEM; |
1432 | } | |
2742fd88 AC |
1433 | |
1434 | /* Initialize the buffer to 0xff (pad the buffer) */ | |
1435 | memset(buffer, 0xff, buffer_size); | |
1da177e4 | 1436 | |
d12b219a JS |
1437 | err = request_firmware(&fw, fw_name, dev); |
1438 | if (err) { | |
1439 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | |
1440 | fw_name, err); | |
1441 | kfree(buffer); | |
1442 | return err; | |
1443 | } | |
1444 | memcpy(buffer, &fw->data[4], fw->size - 4); | |
1445 | release_firmware(fw); | |
1da177e4 | 1446 | |
2742fd88 AC |
1447 | for (i = sizeof(struct ti_i2c_image_header); |
1448 | i < buffer_size; i++) { | |
1da177e4 LT |
1449 | cs = (__u8)(cs + buffer[i]); |
1450 | } | |
2742fd88 | 1451 | |
1da177e4 | 1452 | header = (struct ti_i2c_image_header *)buffer; |
2742fd88 AC |
1453 | |
1454 | /* update length and checksum after padding */ | |
1455 | header->Length = cpu_to_le16((__u16)(buffer_size - | |
1456 | sizeof(struct ti_i2c_image_header))); | |
1da177e4 LT |
1457 | header->CheckSum = cs; |
1458 | ||
2742fd88 AC |
1459 | /* Download the operational code */ |
1460 | dbg("%s - Downloading operational code image (TI UMP)", | |
1461 | __func__); | |
1462 | status = download_code(serial, buffer, buffer_size); | |
1da177e4 | 1463 | |
2742fd88 | 1464 | kfree(buffer); |
1da177e4 LT |
1465 | |
1466 | if (status) { | |
2742fd88 AC |
1467 | dbg("%s - Error downloading operational code image", |
1468 | __func__); | |
1da177e4 LT |
1469 | return status; |
1470 | } | |
1471 | ||
2742fd88 | 1472 | /* Device will reboot */ |
1da177e4 LT |
1473 | serial->product_info.TiMode = TI_MODE_TRANSITIONING; |
1474 | ||
2742fd88 AC |
1475 | dbg("%s - Download successful -- Device rebooting...", |
1476 | __func__); | |
1da177e4 LT |
1477 | |
1478 | /* return an error on purpose */ | |
1479 | return -ENODEV; | |
1480 | } | |
1481 | ||
2742fd88 AC |
1482 | stayinbootmode: |
1483 | /* Eprom is invalid or blank stay in boot mode */ | |
9544e833 | 1484 | dbg("%s - STAYING IN BOOT MODE", __func__); |
1da177e4 LT |
1485 | serial->product_info.TiMode = TI_MODE_BOOT; |
1486 | ||
1487 | return 0; | |
1488 | } | |
1489 | ||
1490 | ||
2742fd88 | 1491 | static int ti_do_config(struct edgeport_port *port, int feature, int on) |
1da177e4 LT |
1492 | { |
1493 | int port_number = port->port->number - port->port->serial->minor; | |
2742fd88 AC |
1494 | on = !!on; /* 1 or 0 not bitmask */ |
1495 | return send_cmd(port->port->serial->dev, | |
1496 | feature, (__u8)(UMPM_UART1_PORT + port_number), | |
1497 | on, NULL, 0); | |
1da177e4 LT |
1498 | } |
1499 | ||
1da177e4 | 1500 | |
2742fd88 | 1501 | static int restore_mcr(struct edgeport_port *port, __u8 mcr) |
1da177e4 LT |
1502 | { |
1503 | int status = 0; | |
1504 | ||
2742fd88 | 1505 | dbg("%s - %x", __func__, mcr); |
1da177e4 | 1506 | |
2742fd88 | 1507 | status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR); |
1da177e4 LT |
1508 | if (status) |
1509 | return status; | |
2742fd88 | 1510 | status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS); |
1da177e4 LT |
1511 | if (status) |
1512 | return status; | |
2742fd88 | 1513 | return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK); |
1da177e4 LT |
1514 | } |
1515 | ||
1da177e4 | 1516 | /* Convert TI LSR to standard UART flags */ |
2742fd88 | 1517 | static __u8 map_line_status(__u8 ti_lsr) |
1da177e4 LT |
1518 | { |
1519 | __u8 lsr = 0; | |
1520 | ||
1521 | #define MAP_FLAG(flagUmp, flagUart) \ | |
1522 | if (ti_lsr & flagUmp) \ | |
1523 | lsr |= flagUart; | |
1524 | ||
1525 | MAP_FLAG(UMP_UART_LSR_OV_MASK, LSR_OVER_ERR) /* overrun */ | |
1526 | MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */ | |
1527 | MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */ | |
1528 | MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */ | |
2742fd88 AC |
1529 | MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */ |
1530 | MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */ | |
1da177e4 LT |
1531 | |
1532 | #undef MAP_FLAG | |
1533 | ||
1534 | return lsr; | |
1535 | } | |
1536 | ||
2742fd88 | 1537 | static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) |
1da177e4 LT |
1538 | { |
1539 | struct async_icount *icount; | |
1540 | struct tty_struct *tty; | |
1541 | ||
2742fd88 | 1542 | dbg("%s - %02x", __func__, msr); |
1da177e4 | 1543 | |
2742fd88 AC |
1544 | if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | |
1545 | EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { | |
1da177e4 LT |
1546 | icount = &edge_port->icount; |
1547 | ||
1548 | /* update input line counters */ | |
1549 | if (msr & EDGEPORT_MSR_DELTA_CTS) | |
1550 | icount->cts++; | |
1551 | if (msr & EDGEPORT_MSR_DELTA_DSR) | |
1552 | icount->dsr++; | |
1553 | if (msr & EDGEPORT_MSR_DELTA_CD) | |
1554 | icount->dcd++; | |
1555 | if (msr & EDGEPORT_MSR_DELTA_RI) | |
1556 | icount->rng++; | |
2742fd88 | 1557 | wake_up_interruptible(&edge_port->delta_msr_wait); |
1da177e4 LT |
1558 | } |
1559 | ||
1560 | /* Save the new modem status */ | |
1561 | edge_port->shadow_msr = msr & 0xf0; | |
1562 | ||
4a90f09b | 1563 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 LT |
1564 | /* handle CTS flow control */ |
1565 | if (tty && C_CRTSCTS(tty)) { | |
1566 | if (msr & EDGEPORT_MSR_CTS) { | |
1567 | tty->hw_stopped = 0; | |
1568 | tty_wakeup(tty); | |
1569 | } else { | |
1570 | tty->hw_stopped = 1; | |
1571 | } | |
1572 | } | |
4a90f09b | 1573 | tty_kref_put(tty); |
1da177e4 LT |
1574 | |
1575 | return; | |
1576 | } | |
1577 | ||
2742fd88 AC |
1578 | static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, |
1579 | __u8 lsr, __u8 data) | |
1da177e4 LT |
1580 | { |
1581 | struct async_icount *icount; | |
2742fd88 AC |
1582 | __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | |
1583 | LSR_FRM_ERR | LSR_BREAK)); | |
4a90f09b | 1584 | struct tty_struct *tty; |
1da177e4 | 1585 | |
2742fd88 | 1586 | dbg("%s - %02x", __func__, new_lsr); |
1da177e4 LT |
1587 | |
1588 | edge_port->shadow_lsr = lsr; | |
1589 | ||
2742fd88 | 1590 | if (new_lsr & LSR_BREAK) |
1da177e4 LT |
1591 | /* |
1592 | * Parity and Framing errors only count if they | |
1593 | * occur exclusive of a break being received. | |
1594 | */ | |
1595 | new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); | |
1da177e4 LT |
1596 | |
1597 | /* Place LSR data byte into Rx buffer */ | |
4a90f09b AC |
1598 | if (lsr_data) { |
1599 | tty = tty_port_tty_get(&edge_port->port->port); | |
1600 | if (tty) { | |
1601 | edge_tty_recv(&edge_port->port->dev, tty, &data, 1); | |
1602 | tty_kref_put(tty); | |
1603 | } | |
1604 | } | |
1da177e4 LT |
1605 | |
1606 | /* update input line counters */ | |
1607 | icount = &edge_port->icount; | |
1608 | if (new_lsr & LSR_BREAK) | |
1609 | icount->brk++; | |
1610 | if (new_lsr & LSR_OVER_ERR) | |
1611 | icount->overrun++; | |
1612 | if (new_lsr & LSR_PAR_ERR) | |
1613 | icount->parity++; | |
1614 | if (new_lsr & LSR_FRM_ERR) | |
1615 | icount->frame++; | |
1616 | } | |
1617 | ||
1618 | ||
2742fd88 | 1619 | static void edge_interrupt_callback(struct urb *urb) |
1da177e4 | 1620 | { |
cdc97792 | 1621 | struct edgeport_serial *edge_serial = urb->context; |
1da177e4 LT |
1622 | struct usb_serial_port *port; |
1623 | struct edgeport_port *edge_port; | |
1624 | unsigned char *data = urb->transfer_buffer; | |
1625 | int length = urb->actual_length; | |
1626 | int port_number; | |
1627 | int function; | |
ee337c21 | 1628 | int retval; |
1da177e4 LT |
1629 | __u8 lsr; |
1630 | __u8 msr; | |
ee337c21 | 1631 | int status = urb->status; |
1da177e4 | 1632 | |
441b62c1 | 1633 | dbg("%s", __func__); |
1da177e4 | 1634 | |
ee337c21 | 1635 | switch (status) { |
1da177e4 LT |
1636 | case 0: |
1637 | /* success */ | |
1638 | break; | |
1639 | case -ECONNRESET: | |
1640 | case -ENOENT: | |
1641 | case -ESHUTDOWN: | |
1642 | /* this urb is terminated, clean up */ | |
ee337c21 | 1643 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1644 | __func__, status); |
1da177e4 LT |
1645 | return; |
1646 | default: | |
ee337c21 | 1647 | dev_err(&urb->dev->dev, "%s - nonzero urb status received: " |
441b62c1 | 1648 | "%d\n", __func__, status); |
1da177e4 LT |
1649 | goto exit; |
1650 | } | |
1651 | ||
1652 | if (!length) { | |
2742fd88 | 1653 | dbg("%s - no data in urb", __func__); |
1da177e4 LT |
1654 | goto exit; |
1655 | } | |
2742fd88 AC |
1656 | |
1657 | usb_serial_debug_data(debug, &edge_serial->serial->dev->dev, | |
1658 | __func__, length, data); | |
1659 | ||
1da177e4 | 1660 | if (length != 2) { |
2742fd88 AC |
1661 | dbg("%s - expecting packet of size 2, got %d", |
1662 | __func__, length); | |
1da177e4 LT |
1663 | goto exit; |
1664 | } | |
1665 | ||
2742fd88 AC |
1666 | port_number = TIUMP_GET_PORT_FROM_CODE(data[0]); |
1667 | function = TIUMP_GET_FUNC_FROM_CODE(data[0]); | |
1668 | dbg("%s - port_number %d, function %d, info 0x%x", | |
441b62c1 | 1669 | __func__, port_number, function, data[1]); |
1da177e4 LT |
1670 | port = edge_serial->serial->port[port_number]; |
1671 | edge_port = usb_get_serial_port_data(port); | |
1672 | if (!edge_port) { | |
2742fd88 | 1673 | dbg("%s - edge_port not found", __func__); |
1da177e4 LT |
1674 | return; |
1675 | } | |
1676 | switch (function) { | |
1677 | case TIUMP_INTERRUPT_CODE_LSR: | |
2742fd88 | 1678 | lsr = map_line_status(data[1]); |
1da177e4 | 1679 | if (lsr & UMP_UART_LSR_DATA_MASK) { |
2742fd88 AC |
1680 | /* Save the LSR event for bulk read |
1681 | completion routine */ | |
1682 | dbg("%s - LSR Event Port %u LSR Status = %02x", | |
441b62c1 | 1683 | __func__, port_number, lsr); |
1da177e4 LT |
1684 | edge_port->lsr_event = 1; |
1685 | edge_port->lsr_mask = lsr; | |
1686 | } else { | |
2742fd88 | 1687 | dbg("%s - ===== Port %d LSR Status = %02x ======", |
441b62c1 | 1688 | __func__, port_number, lsr); |
2742fd88 | 1689 | handle_new_lsr(edge_port, 0, lsr, 0); |
1da177e4 LT |
1690 | } |
1691 | break; | |
1692 | ||
2742fd88 | 1693 | case TIUMP_INTERRUPT_CODE_MSR: /* MSR */ |
1da177e4 LT |
1694 | /* Copy MSR from UMP */ |
1695 | msr = data[1]; | |
759f3634 | 1696 | dbg("%s - ===== Port %u MSR Status = %02x ======", |
441b62c1 | 1697 | __func__, port_number, msr); |
2742fd88 | 1698 | handle_new_msr(edge_port, msr); |
1da177e4 LT |
1699 | break; |
1700 | ||
1701 | default: | |
2742fd88 AC |
1702 | dev_err(&urb->dev->dev, |
1703 | "%s - Unknown Interrupt code from UMP %x\n", | |
1704 | __func__, data[1]); | |
1da177e4 | 1705 | break; |
2742fd88 | 1706 | |
1da177e4 LT |
1707 | } |
1708 | ||
1709 | exit: | |
2742fd88 | 1710 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
ee337c21 | 1711 | if (retval) |
2742fd88 AC |
1712 | dev_err(&urb->dev->dev, |
1713 | "%s - usb_submit_urb failed with result %d\n", | |
441b62c1 | 1714 | __func__, retval); |
1da177e4 LT |
1715 | } |
1716 | ||
2742fd88 | 1717 | static void edge_bulk_in_callback(struct urb *urb) |
1da177e4 | 1718 | { |
cdc97792 | 1719 | struct edgeport_port *edge_port = urb->context; |
1da177e4 LT |
1720 | unsigned char *data = urb->transfer_buffer; |
1721 | struct tty_struct *tty; | |
ee337c21 | 1722 | int retval = 0; |
1da177e4 | 1723 | int port_number; |
ee337c21 | 1724 | int status = urb->status; |
1da177e4 | 1725 | |
441b62c1 | 1726 | dbg("%s", __func__); |
1da177e4 | 1727 | |
ee337c21 | 1728 | switch (status) { |
1da177e4 LT |
1729 | case 0: |
1730 | /* success */ | |
1731 | break; | |
1732 | case -ECONNRESET: | |
1733 | case -ENOENT: | |
1734 | case -ESHUTDOWN: | |
1735 | /* this urb is terminated, clean up */ | |
ee337c21 | 1736 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1737 | __func__, status); |
1da177e4 LT |
1738 | return; |
1739 | default: | |
2742fd88 AC |
1740 | dev_err(&urb->dev->dev, |
1741 | "%s - nonzero read bulk status received: %d\n", | |
1742 | __func__, status); | |
1da177e4 LT |
1743 | } |
1744 | ||
ee337c21 | 1745 | if (status == -EPIPE) |
1da177e4 LT |
1746 | goto exit; |
1747 | ||
ee337c21 | 1748 | if (status) { |
2742fd88 | 1749 | dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__); |
1da177e4 LT |
1750 | return; |
1751 | } | |
1752 | ||
1753 | port_number = edge_port->port->number - edge_port->port->serial->minor; | |
1754 | ||
1755 | if (edge_port->lsr_event) { | |
1756 | edge_port->lsr_event = 0; | |
2742fd88 | 1757 | dbg("%s ===== Port %u LSR Status = %02x, Data = %02x ======", |
441b62c1 | 1758 | __func__, port_number, edge_port->lsr_mask, *data); |
2742fd88 | 1759 | handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data); |
1da177e4 LT |
1760 | /* Adjust buffer length/pointer */ |
1761 | --urb->actual_length; | |
1762 | ++data; | |
1763 | } | |
1764 | ||
4a90f09b | 1765 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 | 1766 | if (tty && urb->actual_length) { |
2742fd88 AC |
1767 | usb_serial_debug_data(debug, &edge_port->port->dev, |
1768 | __func__, urb->actual_length, data); | |
1769 | if (edge_port->close_pending) | |
1770 | dbg("%s - close pending, dropping data on the floor", | |
1771 | __func__); | |
1772 | else | |
1773 | edge_tty_recv(&edge_port->port->dev, tty, data, | |
1774 | urb->actual_length); | |
1da177e4 LT |
1775 | edge_port->icount.rx += urb->actual_length; |
1776 | } | |
4a90f09b | 1777 | tty_kref_put(tty); |
1da177e4 LT |
1778 | |
1779 | exit: | |
1780 | /* continue read unless stopped */ | |
1781 | spin_lock(&edge_port->ep_lock); | |
1782 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) { | |
1783 | urb->dev = edge_port->port->serial->dev; | |
ee337c21 | 1784 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1785 | } else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) { |
1786 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED; | |
1787 | } | |
1788 | spin_unlock(&edge_port->ep_lock); | |
ee337c21 | 1789 | if (retval) |
2742fd88 AC |
1790 | dev_err(&urb->dev->dev, |
1791 | "%s - usb_submit_urb failed with result %d\n", | |
441b62c1 | 1792 | __func__, retval); |
1da177e4 LT |
1793 | } |
1794 | ||
2742fd88 AC |
1795 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
1796 | unsigned char *data, int length) | |
1da177e4 | 1797 | { |
2742fd88 | 1798 | int queued; |
1da177e4 | 1799 | |
2742fd88 AC |
1800 | queued = tty_insert_flip_string(tty, data, length); |
1801 | if (queued < length) | |
1802 | dev_err(dev, "%s - dropping data, %d bytes lost\n", | |
1803 | __func__, length - queued); | |
1da177e4 LT |
1804 | tty_flip_buffer_push(tty); |
1805 | } | |
1806 | ||
2742fd88 | 1807 | static void edge_bulk_out_callback(struct urb *urb) |
1da177e4 | 1808 | { |
cdc97792 | 1809 | struct usb_serial_port *port = urb->context; |
1da177e4 | 1810 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
ee337c21 | 1811 | int status = urb->status; |
4a90f09b | 1812 | struct tty_struct *tty; |
1da177e4 | 1813 | |
2742fd88 | 1814 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
1815 | |
1816 | edge_port->ep_write_urb_in_use = 0; | |
1817 | ||
ee337c21 | 1818 | switch (status) { |
1da177e4 LT |
1819 | case 0: |
1820 | /* success */ | |
1821 | break; | |
1822 | case -ECONNRESET: | |
1823 | case -ENOENT: | |
1824 | case -ESHUTDOWN: | |
1825 | /* this urb is terminated, clean up */ | |
ee337c21 | 1826 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1827 | __func__, status); |
1da177e4 LT |
1828 | return; |
1829 | default: | |
ee337c21 | 1830 | dev_err(&urb->dev->dev, "%s - nonzero write bulk status " |
441b62c1 | 1831 | "received: %d\n", __func__, status); |
1da177e4 LT |
1832 | } |
1833 | ||
1834 | /* send any buffered data */ | |
4a90f09b AC |
1835 | tty = tty_port_tty_get(&port->port); |
1836 | edge_send(tty); | |
1837 | tty_kref_put(tty); | |
1da177e4 LT |
1838 | } |
1839 | ||
a509a7e4 | 1840 | static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 LT |
1841 | { |
1842 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1843 | struct edgeport_serial *edge_serial; | |
1844 | struct usb_device *dev; | |
1845 | struct urb *urb; | |
1846 | int port_number; | |
1847 | int status; | |
1848 | u16 open_settings; | |
1849 | u8 transaction_timeout; | |
1850 | ||
441b62c1 | 1851 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
1852 | |
1853 | if (edge_port == NULL) | |
1854 | return -ENODEV; | |
1855 | ||
1da177e4 LT |
1856 | port_number = port->number - port->serial->minor; |
1857 | switch (port_number) { | |
2742fd88 AC |
1858 | case 0: |
1859 | edge_port->uart_base = UMPMEM_BASE_UART1; | |
1860 | edge_port->dma_address = UMPD_OEDB1_ADDRESS; | |
1861 | break; | |
1862 | case 1: | |
1863 | edge_port->uart_base = UMPMEM_BASE_UART2; | |
1864 | edge_port->dma_address = UMPD_OEDB2_ADDRESS; | |
1865 | break; | |
1866 | default: | |
1867 | dev_err(&port->dev, "Unknown port number!!!\n"); | |
1868 | return -ENODEV; | |
1da177e4 LT |
1869 | } |
1870 | ||
2742fd88 AC |
1871 | dbg("%s - port_number = %d, uart_base = %04x, dma_address = %04x", |
1872 | __func__, port_number, edge_port->uart_base, | |
1873 | edge_port->dma_address); | |
1da177e4 LT |
1874 | |
1875 | dev = port->serial->dev; | |
1876 | ||
2742fd88 AC |
1877 | memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); |
1878 | init_waitqueue_head(&edge_port->delta_msr_wait); | |
1da177e4 LT |
1879 | |
1880 | /* turn off loopback */ | |
2742fd88 | 1881 | status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); |
1da177e4 | 1882 | if (status) { |
2742fd88 AC |
1883 | dev_err(&port->dev, |
1884 | "%s - cannot send clear loopback command, %d\n", | |
441b62c1 | 1885 | __func__, status); |
1da177e4 LT |
1886 | return status; |
1887 | } | |
2742fd88 | 1888 | |
1da177e4 | 1889 | /* set up the port settings */ |
95da310e | 1890 | if (tty) |
4a90f09b | 1891 | edge_set_termios(tty, port, tty->termios); |
1da177e4 LT |
1892 | |
1893 | /* open up the port */ | |
1894 | ||
1895 | /* milliseconds to timeout for DMA transfer */ | |
1896 | transaction_timeout = 2; | |
1897 | ||
2742fd88 AC |
1898 | edge_port->ump_read_timeout = |
1899 | max(20, ((transaction_timeout * 3) / 2)); | |
1da177e4 | 1900 | |
2742fd88 AC |
1901 | /* milliseconds to timeout for DMA transfer */ |
1902 | open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | | |
1903 | UMP_PIPE_TRANS_TIMEOUT_ENA | | |
1da177e4 LT |
1904 | (transaction_timeout << 2)); |
1905 | ||
2742fd88 | 1906 | dbg("%s - Sending UMPC_OPEN_PORT", __func__); |
1da177e4 LT |
1907 | |
1908 | /* Tell TI to open and start the port */ | |
2742fd88 AC |
1909 | status = send_cmd(dev, UMPC_OPEN_PORT, |
1910 | (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0); | |
1da177e4 | 1911 | if (status) { |
2742fd88 AC |
1912 | dev_err(&port->dev, "%s - cannot send open command, %d\n", |
1913 | __func__, status); | |
1da177e4 LT |
1914 | return status; |
1915 | } | |
1916 | ||
1917 | /* Start the DMA? */ | |
2742fd88 AC |
1918 | status = send_cmd(dev, UMPC_START_PORT, |
1919 | (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0); | |
1da177e4 | 1920 | if (status) { |
2742fd88 AC |
1921 | dev_err(&port->dev, "%s - cannot send start DMA command, %d\n", |
1922 | __func__, status); | |
1da177e4 LT |
1923 | return status; |
1924 | } | |
1925 | ||
1926 | /* Clear TX and RX buffers in UMP */ | |
2742fd88 | 1927 | status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); |
1da177e4 | 1928 | if (status) { |
2742fd88 AC |
1929 | dev_err(&port->dev, |
1930 | "%s - cannot send clear buffers command, %d\n", | |
1931 | __func__, status); | |
1da177e4 LT |
1932 | return status; |
1933 | } | |
1934 | ||
1935 | /* Read Initial MSR */ | |
2742fd88 AC |
1936 | status = ti_vread_sync(dev, UMPC_READ_MSR, 0, |
1937 | (__u16)(UMPM_UART1_PORT + port_number), | |
1938 | &edge_port->shadow_msr, 1); | |
1da177e4 | 1939 | if (status) { |
2742fd88 AC |
1940 | dev_err(&port->dev, "%s - cannot send read MSR command, %d\n", |
1941 | __func__, status); | |
1da177e4 LT |
1942 | return status; |
1943 | } | |
1944 | ||
2742fd88 AC |
1945 | dbg("ShadowMSR 0x%X", edge_port->shadow_msr); |
1946 | ||
1da177e4 LT |
1947 | /* Set Initial MCR */ |
1948 | edge_port->shadow_mcr = MCR_RTS | MCR_DTR; | |
2742fd88 | 1949 | dbg("ShadowMCR 0x%X", edge_port->shadow_mcr); |
1da177e4 LT |
1950 | |
1951 | edge_serial = edge_port->edge_serial; | |
241ca64f | 1952 | if (mutex_lock_interruptible(&edge_serial->es_lock)) |
1da177e4 LT |
1953 | return -ERESTARTSYS; |
1954 | if (edge_serial->num_ports_open == 0) { | |
2742fd88 | 1955 | /* we are the first port to open, post the interrupt urb */ |
1da177e4 LT |
1956 | urb = edge_serial->serial->port[0]->interrupt_in_urb; |
1957 | if (!urb) { | |
2742fd88 AC |
1958 | dev_err(&port->dev, |
1959 | "%s - no interrupt urb present, exiting\n", | |
1960 | __func__); | |
1da177e4 | 1961 | status = -EINVAL; |
241ca64f | 1962 | goto release_es_lock; |
1da177e4 LT |
1963 | } |
1964 | urb->complete = edge_interrupt_callback; | |
1965 | urb->context = edge_serial; | |
1966 | urb->dev = dev; | |
2742fd88 | 1967 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1968 | if (status) { |
2742fd88 AC |
1969 | dev_err(&port->dev, |
1970 | "%s - usb_submit_urb failed with value %d\n", | |
1971 | __func__, status); | |
241ca64f | 1972 | goto release_es_lock; |
1da177e4 LT |
1973 | } |
1974 | } | |
1975 | ||
1976 | /* | |
1977 | * reset the data toggle on the bulk endpoints to work around bug in | |
1978 | * host controllers where things get out of sync some times | |
1979 | */ | |
2742fd88 AC |
1980 | usb_clear_halt(dev, port->write_urb->pipe); |
1981 | usb_clear_halt(dev, port->read_urb->pipe); | |
1da177e4 LT |
1982 | |
1983 | /* start up our bulk read urb */ | |
1984 | urb = port->read_urb; | |
1985 | if (!urb) { | |
2742fd88 AC |
1986 | dev_err(&port->dev, "%s - no read urb present, exiting\n", |
1987 | __func__); | |
1da177e4 LT |
1988 | status = -EINVAL; |
1989 | goto unlink_int_urb; | |
1990 | } | |
1991 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
1992 | urb->complete = edge_bulk_in_callback; | |
1993 | urb->context = edge_port; | |
1994 | urb->dev = dev; | |
2742fd88 | 1995 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1996 | if (status) { |
2742fd88 AC |
1997 | dev_err(&port->dev, |
1998 | "%s - read bulk usb_submit_urb failed with value %d\n", | |
1999 | __func__, status); | |
1da177e4 LT |
2000 | goto unlink_int_urb; |
2001 | } | |
2002 | ||
2003 | ++edge_serial->num_ports_open; | |
2004 | ||
441b62c1 | 2005 | dbg("%s - exited", __func__); |
1da177e4 | 2006 | |
241ca64f | 2007 | goto release_es_lock; |
1da177e4 LT |
2008 | |
2009 | unlink_int_urb: | |
2010 | if (edge_port->edge_serial->num_ports_open == 0) | |
2011 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
241ca64f MK |
2012 | release_es_lock: |
2013 | mutex_unlock(&edge_serial->es_lock); | |
1da177e4 LT |
2014 | return status; |
2015 | } | |
2016 | ||
335f8514 | 2017 | static void edge_close(struct usb_serial_port *port) |
1da177e4 LT |
2018 | { |
2019 | struct edgeport_serial *edge_serial; | |
2020 | struct edgeport_port *edge_port; | |
2021 | int port_number; | |
2022 | int status; | |
2023 | ||
441b62c1 | 2024 | dbg("%s - port %d", __func__, port->number); |
2742fd88 | 2025 | |
1da177e4 LT |
2026 | edge_serial = usb_get_serial_data(port->serial); |
2027 | edge_port = usb_get_serial_port_data(port); | |
2742fd88 | 2028 | if (edge_serial == NULL || edge_port == NULL) |
1da177e4 | 2029 | return; |
2742fd88 AC |
2030 | |
2031 | /* The bulkreadcompletion routine will check | |
1da177e4 LT |
2032 | * this flag and dump add read data */ |
2033 | edge_port->close_pending = 1; | |
2034 | ||
2035 | /* chase the port close and flush */ | |
2742fd88 | 2036 | chase_port(edge_port, (HZ * closing_wait) / 100, 1); |
1da177e4 LT |
2037 | |
2038 | usb_kill_urb(port->read_urb); | |
2039 | usb_kill_urb(port->write_urb); | |
2040 | edge_port->ep_write_urb_in_use = 0; | |
2041 | ||
2042 | /* assuming we can still talk to the device, | |
2043 | * send a close port command to it */ | |
441b62c1 | 2044 | dbg("%s - send umpc_close_port", __func__); |
1da177e4 | 2045 | port_number = port->number - port->serial->minor; |
2742fd88 | 2046 | status = send_cmd(port->serial->dev, |
1da177e4 LT |
2047 | UMPC_CLOSE_PORT, |
2048 | (__u8)(UMPM_UART1_PORT + port_number), | |
2049 | 0, | |
2050 | NULL, | |
2051 | 0); | |
241ca64f | 2052 | mutex_lock(&edge_serial->es_lock); |
1da177e4 LT |
2053 | --edge_port->edge_serial->num_ports_open; |
2054 | if (edge_port->edge_serial->num_ports_open <= 0) { | |
2055 | /* last port is now closed, let's shut down our interrupt urb */ | |
2056 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
2057 | edge_port->edge_serial->num_ports_open = 0; | |
2058 | } | |
241ca64f | 2059 | mutex_unlock(&edge_serial->es_lock); |
1da177e4 LT |
2060 | edge_port->close_pending = 0; |
2061 | ||
441b62c1 | 2062 | dbg("%s - exited", __func__); |
1da177e4 LT |
2063 | } |
2064 | ||
95da310e AC |
2065 | static int edge_write(struct tty_struct *tty, struct usb_serial_port *port, |
2066 | const unsigned char *data, int count) | |
1da177e4 LT |
2067 | { |
2068 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 | 2069 | |
441b62c1 | 2070 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2071 | |
2072 | if (count == 0) { | |
441b62c1 | 2073 | dbg("%s - write request of 0 bytes", __func__); |
1da177e4 LT |
2074 | return 0; |
2075 | } | |
2076 | ||
2077 | if (edge_port == NULL) | |
2078 | return -ENODEV; | |
2079 | if (edge_port->close_pending == 1) | |
2080 | return -ENODEV; | |
2081 | ||
d733cec1 JH |
2082 | count = kfifo_in_locked(&edge_port->write_fifo, data, count, |
2083 | &edge_port->ep_lock); | |
95da310e | 2084 | edge_send(tty); |
1da177e4 LT |
2085 | |
2086 | return count; | |
2087 | } | |
2088 | ||
95da310e | 2089 | static void edge_send(struct tty_struct *tty) |
1da177e4 | 2090 | { |
95da310e | 2091 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2092 | int count, result; |
2093 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 LT |
2094 | unsigned long flags; |
2095 | ||
2096 | ||
441b62c1 | 2097 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2098 | |
2099 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2100 | ||
2101 | if (edge_port->ep_write_urb_in_use) { | |
2102 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2103 | return; | |
2104 | } | |
2105 | ||
d733cec1 | 2106 | count = kfifo_out(&edge_port->write_fifo, |
1da177e4 LT |
2107 | port->write_urb->transfer_buffer, |
2108 | port->bulk_out_size); | |
2109 | ||
2110 | if (count == 0) { | |
2111 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2112 | return; | |
2113 | } | |
2114 | ||
2115 | edge_port->ep_write_urb_in_use = 1; | |
2116 | ||
2117 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2118 | ||
2742fd88 AC |
2119 | usb_serial_debug_data(debug, &port->dev, __func__, count, |
2120 | port->write_urb->transfer_buffer); | |
1da177e4 LT |
2121 | |
2122 | /* set up our urb */ | |
2742fd88 AC |
2123 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, |
2124 | usb_sndbulkpipe(port->serial->dev, | |
1da177e4 LT |
2125 | port->bulk_out_endpointAddress), |
2126 | port->write_urb->transfer_buffer, count, | |
2127 | edge_bulk_out_callback, | |
2128 | port); | |
2129 | ||
2130 | /* send the data out the bulk port */ | |
2131 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
2132 | if (result) { | |
2742fd88 AC |
2133 | dev_err(&port->dev, |
2134 | "%s - failed submitting write urb, error %d\n", | |
2135 | __func__, result); | |
1da177e4 | 2136 | edge_port->ep_write_urb_in_use = 0; |
2742fd88 AC |
2137 | /* TODO: reschedule edge_send */ |
2138 | } else | |
1da177e4 | 2139 | edge_port->icount.tx += count; |
1da177e4 LT |
2140 | |
2141 | /* wakeup any process waiting for writes to complete */ | |
2142 | /* there is now more room in the buffer for new writes */ | |
2742fd88 | 2143 | if (tty) |
1da177e4 | 2144 | tty_wakeup(tty); |
1da177e4 LT |
2145 | } |
2146 | ||
95da310e | 2147 | static int edge_write_room(struct tty_struct *tty) |
1da177e4 | 2148 | { |
95da310e | 2149 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2150 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2151 | int room = 0; | |
2152 | unsigned long flags; | |
2153 | ||
441b62c1 | 2154 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2155 | |
2156 | if (edge_port == NULL) | |
2742fd88 | 2157 | return 0; |
1da177e4 | 2158 | if (edge_port->close_pending == 1) |
2742fd88 | 2159 | return 0; |
1da177e4 LT |
2160 | |
2161 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2162 | room = kfifo_avail(&edge_port->write_fifo); |
1da177e4 LT |
2163 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2164 | ||
441b62c1 | 2165 | dbg("%s - returns %d", __func__, room); |
1da177e4 LT |
2166 | return room; |
2167 | } | |
2168 | ||
95da310e | 2169 | static int edge_chars_in_buffer(struct tty_struct *tty) |
1da177e4 | 2170 | { |
95da310e | 2171 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2172 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2173 | int chars = 0; | |
2174 | unsigned long flags; | |
2175 | ||
441b62c1 | 2176 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2177 | |
2178 | if (edge_port == NULL) | |
2742fd88 | 2179 | return 0; |
1da177e4 | 2180 | if (edge_port->close_pending == 1) |
2742fd88 | 2181 | return 0; |
1da177e4 LT |
2182 | |
2183 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2184 | chars = kfifo_len(&edge_port->write_fifo); |
1da177e4 LT |
2185 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2186 | ||
2742fd88 | 2187 | dbg("%s - returns %d", __func__, chars); |
1da177e4 LT |
2188 | return chars; |
2189 | } | |
2190 | ||
95da310e | 2191 | static void edge_throttle(struct tty_struct *tty) |
1da177e4 | 2192 | { |
95da310e | 2193 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2194 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2195 | int status; |
2196 | ||
441b62c1 | 2197 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2198 | |
2199 | if (edge_port == NULL) | |
2200 | return; | |
2201 | ||
1da177e4 LT |
2202 | /* if we are implementing XON/XOFF, send the stop character */ |
2203 | if (I_IXOFF(tty)) { | |
2204 | unsigned char stop_char = STOP_CHAR(tty); | |
95da310e AC |
2205 | status = edge_write(tty, port, &stop_char, 1); |
2206 | if (status <= 0) { | |
2207 | dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status); | |
2208 | } | |
1da177e4 LT |
2209 | } |
2210 | ||
2211 | /* if we are implementing RTS/CTS, stop reads */ | |
2212 | /* and the Edgeport will clear the RTS line */ | |
2213 | if (C_CRTSCTS(tty)) | |
2214 | stop_read(edge_port); | |
2215 | ||
2216 | } | |
2217 | ||
95da310e | 2218 | static void edge_unthrottle(struct tty_struct *tty) |
1da177e4 | 2219 | { |
95da310e | 2220 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2221 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2222 | int status; |
2223 | ||
441b62c1 | 2224 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2225 | |
2226 | if (edge_port == NULL) | |
2227 | return; | |
2228 | ||
1da177e4 LT |
2229 | /* if we are implementing XON/XOFF, send the start character */ |
2230 | if (I_IXOFF(tty)) { | |
2231 | unsigned char start_char = START_CHAR(tty); | |
95da310e AC |
2232 | status = edge_write(tty, port, &start_char, 1); |
2233 | if (status <= 0) { | |
2234 | dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status); | |
2235 | } | |
1da177e4 | 2236 | } |
1da177e4 LT |
2237 | /* if we are implementing RTS/CTS, restart reads */ |
2238 | /* are the Edgeport will assert the RTS line */ | |
2239 | if (C_CRTSCTS(tty)) { | |
2240 | status = restart_read(edge_port); | |
2241 | if (status) | |
2742fd88 AC |
2242 | dev_err(&port->dev, |
2243 | "%s - read bulk usb_submit_urb failed: %d\n", | |
2244 | __func__, status); | |
1da177e4 LT |
2245 | } |
2246 | ||
2247 | } | |
2248 | ||
2249 | static void stop_read(struct edgeport_port *edge_port) | |
2250 | { | |
2251 | unsigned long flags; | |
2252 | ||
2253 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2254 | ||
2255 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) | |
2256 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPING; | |
2257 | edge_port->shadow_mcr &= ~MCR_RTS; | |
2258 | ||
2259 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2260 | } | |
2261 | ||
2262 | static int restart_read(struct edgeport_port *edge_port) | |
2263 | { | |
2264 | struct urb *urb; | |
2265 | int status = 0; | |
2266 | unsigned long flags; | |
2267 | ||
2268 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2269 | ||
2270 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPED) { | |
2271 | urb = edge_port->port->read_urb; | |
2272 | urb->complete = edge_bulk_in_callback; | |
2273 | urb->context = edge_port; | |
2274 | urb->dev = edge_port->port->serial->dev; | |
efdff608 | 2275 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
2276 | } |
2277 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
2278 | edge_port->shadow_mcr |= MCR_RTS; | |
2279 | ||
2280 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2281 | ||
2282 | return status; | |
2283 | } | |
2284 | ||
95da310e AC |
2285 | static void change_port_settings(struct tty_struct *tty, |
2286 | struct edgeport_port *edge_port, struct ktermios *old_termios) | |
1da177e4 LT |
2287 | { |
2288 | struct ump_uart_config *config; | |
1da177e4 LT |
2289 | int baud; |
2290 | unsigned cflag; | |
2291 | int status; | |
2742fd88 AC |
2292 | int port_number = edge_port->port->number - |
2293 | edge_port->port->serial->minor; | |
1da177e4 | 2294 | |
441b62c1 | 2295 | dbg("%s - port %d", __func__, edge_port->port->number); |
1da177e4 | 2296 | |
95da310e | 2297 | config = kmalloc (sizeof (*config), GFP_KERNEL); |
1da177e4 | 2298 | if (!config) { |
2742fd88 AC |
2299 | *tty->termios = *old_termios; |
2300 | dev_err(&edge_port->port->dev, "%s - out of memory\n", | |
2301 | __func__); | |
1da177e4 LT |
2302 | return; |
2303 | } | |
2304 | ||
2305 | cflag = tty->termios->c_cflag; | |
2306 | ||
2307 | config->wFlags = 0; | |
2308 | ||
2309 | /* These flags must be set */ | |
2310 | config->wFlags |= UMP_MASK_UART_FLAGS_RECEIVE_MS_INT; | |
2311 | config->wFlags |= UMP_MASK_UART_FLAGS_AUTO_START_ON_ERR; | |
2312 | config->bUartMode = (__u8)(edge_port->bUartMode); | |
2313 | ||
2314 | switch (cflag & CSIZE) { | |
2742fd88 AC |
2315 | case CS5: |
2316 | config->bDataBits = UMP_UART_CHAR5BITS; | |
2317 | dbg("%s - data bits = 5", __func__); | |
2318 | break; | |
2319 | case CS6: | |
2320 | config->bDataBits = UMP_UART_CHAR6BITS; | |
2321 | dbg("%s - data bits = 6", __func__); | |
2322 | break; | |
2323 | case CS7: | |
2324 | config->bDataBits = UMP_UART_CHAR7BITS; | |
2325 | dbg("%s - data bits = 7", __func__); | |
2326 | break; | |
2327 | default: | |
2328 | case CS8: | |
2329 | config->bDataBits = UMP_UART_CHAR8BITS; | |
2330 | dbg("%s - data bits = 8", __func__); | |
1da177e4 LT |
2331 | break; |
2332 | } | |
2333 | ||
2334 | if (cflag & PARENB) { | |
2335 | if (cflag & PARODD) { | |
2336 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2337 | config->bParity = UMP_UART_ODDPARITY; | |
441b62c1 | 2338 | dbg("%s - parity = odd", __func__); |
1da177e4 LT |
2339 | } else { |
2340 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2341 | config->bParity = UMP_UART_EVENPARITY; | |
441b62c1 | 2342 | dbg("%s - parity = even", __func__); |
1da177e4 LT |
2343 | } |
2344 | } else { | |
2742fd88 | 2345 | config->bParity = UMP_UART_NOPARITY; |
441b62c1 | 2346 | dbg("%s - parity = none", __func__); |
1da177e4 LT |
2347 | } |
2348 | ||
2349 | if (cflag & CSTOPB) { | |
2350 | config->bStopBits = UMP_UART_STOPBIT2; | |
441b62c1 | 2351 | dbg("%s - stop bits = 2", __func__); |
1da177e4 LT |
2352 | } else { |
2353 | config->bStopBits = UMP_UART_STOPBIT1; | |
441b62c1 | 2354 | dbg("%s - stop bits = 1", __func__); |
1da177e4 LT |
2355 | } |
2356 | ||
2357 | /* figure out the flow control settings */ | |
2358 | if (cflag & CRTSCTS) { | |
2359 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X_CTS_FLOW; | |
2360 | config->wFlags |= UMP_MASK_UART_FLAGS_RTS_FLOW; | |
441b62c1 | 2361 | dbg("%s - RTS/CTS is enabled", __func__); |
1da177e4 | 2362 | } else { |
441b62c1 | 2363 | dbg("%s - RTS/CTS is disabled", __func__); |
1da177e4 LT |
2364 | tty->hw_stopped = 0; |
2365 | restart_read(edge_port); | |
2366 | } | |
2367 | ||
2742fd88 AC |
2368 | /* if we are implementing XON/XOFF, set the start and stop |
2369 | character in the device */ | |
2370 | config->cXon = START_CHAR(tty); | |
2371 | config->cXoff = STOP_CHAR(tty); | |
1da177e4 | 2372 | |
2742fd88 AC |
2373 | /* if we are implementing INBOUND XON/XOFF */ |
2374 | if (I_IXOFF(tty)) { | |
2375 | config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; | |
2376 | dbg("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
2377 | __func__, config->cXon, config->cXoff); | |
2378 | } else | |
2379 | dbg("%s - INBOUND XON/XOFF is disabled", __func__); | |
1da177e4 | 2380 | |
2742fd88 AC |
2381 | /* if we are implementing OUTBOUND XON/XOFF */ |
2382 | if (I_IXON(tty)) { | |
2383 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; | |
2384 | dbg("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
2385 | __func__, config->cXon, config->cXoff); | |
2386 | } else | |
2387 | dbg("%s - OUTBOUND XON/XOFF is disabled", __func__); | |
1da177e4 | 2388 | |
d5f5bcd4 AC |
2389 | tty->termios->c_cflag &= ~CMSPAR; |
2390 | ||
1da177e4 LT |
2391 | /* Round the baud rate */ |
2392 | baud = tty_get_baud_rate(tty); | |
2393 | if (!baud) { | |
2394 | /* pick a default, any default... */ | |
2395 | baud = 9600; | |
d5f5bcd4 AC |
2396 | } else |
2397 | tty_encode_baud_rate(tty, baud, baud); | |
2398 | ||
1da177e4 LT |
2399 | edge_port->baud_rate = baud; |
2400 | config->wBaudRate = (__u16)((461550L + baud/2) / baud); | |
2401 | ||
d5f5bcd4 AC |
2402 | /* FIXME: Recompute actual baud from divisor here */ |
2403 | ||
2742fd88 AC |
2404 | dbg("%s - baud rate = %d, wBaudRate = %d", __func__, baud, |
2405 | config->wBaudRate); | |
1da177e4 | 2406 | |
2742fd88 AC |
2407 | dbg("wBaudRate: %d", (int)(461550L / config->wBaudRate)); |
2408 | dbg("wFlags: 0x%x", config->wFlags); | |
2409 | dbg("bDataBits: %d", config->bDataBits); | |
2410 | dbg("bParity: %d", config->bParity); | |
2411 | dbg("bStopBits: %d", config->bStopBits); | |
2412 | dbg("cXon: %d", config->cXon); | |
2413 | dbg("cXoff: %d", config->cXoff); | |
2414 | dbg("bUartMode: %d", config->bUartMode); | |
1da177e4 LT |
2415 | |
2416 | /* move the word values into big endian mode */ | |
2742fd88 AC |
2417 | cpu_to_be16s(&config->wFlags); |
2418 | cpu_to_be16s(&config->wBaudRate); | |
1da177e4 | 2419 | |
2742fd88 | 2420 | status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG, |
1da177e4 | 2421 | (__u8)(UMPM_UART1_PORT + port_number), |
2742fd88 AC |
2422 | 0, (__u8 *)config, sizeof(*config)); |
2423 | if (status) | |
2424 | dbg("%s - error %d when trying to write config to device", | |
441b62c1 | 2425 | __func__, status); |
2742fd88 | 2426 | kfree(config); |
1da177e4 LT |
2427 | return; |
2428 | } | |
2429 | ||
2e0ddd62 | 2430 | static void edge_set_termios(struct tty_struct *tty, |
95da310e | 2431 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
2432 | { |
2433 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
95da310e AC |
2434 | unsigned int cflag; |
2435 | ||
2436 | cflag = tty->termios->c_cflag; | |
1da177e4 | 2437 | |
441b62c1 | 2438 | dbg("%s - clfag %08x iflag %08x", __func__, |
1da177e4 | 2439 | tty->termios->c_cflag, tty->termios->c_iflag); |
441b62c1 | 2440 | dbg("%s - old clfag %08x old iflag %08x", __func__, |
d5f5bcd4 | 2441 | old_termios->c_cflag, old_termios->c_iflag); |
441b62c1 | 2442 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2443 | |
2444 | if (edge_port == NULL) | |
2445 | return; | |
1da177e4 | 2446 | /* change the port settings to the new ones specified */ |
95da310e AC |
2447 | change_port_settings(tty, edge_port, old_termios); |
2448 | return; | |
1da177e4 LT |
2449 | } |
2450 | ||
95da310e | 2451 | static int edge_tiocmset(struct tty_struct *tty, struct file *file, |
2742fd88 | 2452 | unsigned int set, unsigned int clear) |
1da177e4 | 2453 | { |
95da310e | 2454 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2455 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2456 | unsigned int mcr; | |
3d71fe0b | 2457 | unsigned long flags; |
1da177e4 | 2458 | |
441b62c1 | 2459 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 2460 | |
3d71fe0b | 2461 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
1da177e4 LT |
2462 | mcr = edge_port->shadow_mcr; |
2463 | if (set & TIOCM_RTS) | |
2464 | mcr |= MCR_RTS; | |
2465 | if (set & TIOCM_DTR) | |
2466 | mcr |= MCR_DTR; | |
2467 | if (set & TIOCM_LOOP) | |
2468 | mcr |= MCR_LOOPBACK; | |
2469 | ||
2470 | if (clear & TIOCM_RTS) | |
2471 | mcr &= ~MCR_RTS; | |
2472 | if (clear & TIOCM_DTR) | |
2473 | mcr &= ~MCR_DTR; | |
2474 | if (clear & TIOCM_LOOP) | |
2475 | mcr &= ~MCR_LOOPBACK; | |
2476 | ||
2477 | edge_port->shadow_mcr = mcr; | |
3d71fe0b | 2478 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 | 2479 | |
2742fd88 | 2480 | restore_mcr(edge_port, mcr); |
1da177e4 LT |
2481 | return 0; |
2482 | } | |
2483 | ||
95da310e | 2484 | static int edge_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 2485 | { |
95da310e | 2486 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2487 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2488 | unsigned int result = 0; | |
2489 | unsigned int msr; | |
2490 | unsigned int mcr; | |
3d71fe0b | 2491 | unsigned long flags; |
1da177e4 | 2492 | |
441b62c1 | 2493 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 2494 | |
3d71fe0b AC |
2495 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
2496 | ||
1da177e4 LT |
2497 | msr = edge_port->shadow_msr; |
2498 | mcr = edge_port->shadow_mcr; | |
2499 | result = ((mcr & MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */ | |
2500 | | ((mcr & MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */ | |
2501 | | ((msr & EDGEPORT_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */ | |
2502 | | ((msr & EDGEPORT_MSR_CD) ? TIOCM_CAR: 0) /* 0x040 */ | |
2503 | | ((msr & EDGEPORT_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */ | |
2504 | | ((msr & EDGEPORT_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */ | |
2505 | ||
2506 | ||
441b62c1 | 2507 | dbg("%s -- %x", __func__, result); |
3d71fe0b | 2508 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 LT |
2509 | |
2510 | return result; | |
2511 | } | |
2512 | ||
2742fd88 AC |
2513 | static int get_serial_info(struct edgeport_port *edge_port, |
2514 | struct serial_struct __user *retinfo) | |
1da177e4 LT |
2515 | { |
2516 | struct serial_struct tmp; | |
2517 | ||
2518 | if (!retinfo) | |
2519 | return -EFAULT; | |
2520 | ||
2521 | memset(&tmp, 0, sizeof(tmp)); | |
2522 | ||
2523 | tmp.type = PORT_16550A; | |
2524 | tmp.line = edge_port->port->serial->minor; | |
2525 | tmp.port = edge_port->port->number; | |
2526 | tmp.irq = 0; | |
2527 | tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; | |
2528 | tmp.xmit_fifo_size = edge_port->port->bulk_out_size; | |
2529 | tmp.baud_base = 9600; | |
2530 | tmp.close_delay = 5*HZ; | |
2531 | tmp.closing_wait = closing_wait; | |
1da177e4 LT |
2532 | |
2533 | if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) | |
2534 | return -EFAULT; | |
2535 | return 0; | |
2536 | } | |
2537 | ||
95da310e | 2538 | static int edge_ioctl(struct tty_struct *tty, struct file *file, |
2742fd88 | 2539 | unsigned int cmd, unsigned long arg) |
1da177e4 | 2540 | { |
95da310e | 2541 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2542 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2543 | struct async_icount cnow; | |
2544 | struct async_icount cprev; | |
2545 | ||
441b62c1 | 2546 | dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd); |
1da177e4 LT |
2547 | |
2548 | switch (cmd) { | |
2742fd88 AC |
2549 | case TIOCGSERIAL: |
2550 | dbg("%s - (%d) TIOCGSERIAL", __func__, port->number); | |
2551 | return get_serial_info(edge_port, | |
2552 | (struct serial_struct __user *) arg); | |
2553 | case TIOCMIWAIT: | |
2554 | dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); | |
2555 | cprev = edge_port->icount; | |
2556 | while (1) { | |
2557 | interruptible_sleep_on(&edge_port->delta_msr_wait); | |
2558 | /* see if a signal did it */ | |
2559 | if (signal_pending(current)) | |
2560 | return -ERESTARTSYS; | |
2561 | cnow = edge_port->icount; | |
2562 | if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && | |
2563 | cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) | |
2564 | return -EIO; /* no change => error */ | |
2565 | if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || | |
2566 | ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || | |
2567 | ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || | |
2568 | ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { | |
2569 | return 0; | |
1da177e4 | 2570 | } |
2742fd88 AC |
2571 | cprev = cnow; |
2572 | } | |
2573 | /* not reached */ | |
2574 | break; | |
2575 | case TIOCGICOUNT: | |
2576 | dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__, | |
2577 | port->number, edge_port->icount.rx, edge_port->icount.tx); | |
2578 | if (copy_to_user((void __user *)arg, &edge_port->icount, | |
2579 | sizeof(edge_port->icount))) | |
2580 | return -EFAULT; | |
2581 | return 0; | |
1da177e4 | 2582 | } |
1da177e4 LT |
2583 | return -ENOIOCTLCMD; |
2584 | } | |
2585 | ||
95da310e | 2586 | static void edge_break(struct tty_struct *tty, int break_state) |
1da177e4 | 2587 | { |
95da310e | 2588 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2589 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2590 | int status; | |
2742fd88 | 2591 | int bv = 0; /* Off */ |
1da177e4 | 2592 | |
95da310e | 2593 | dbg("%s - state = %d", __func__, break_state); |
1da177e4 LT |
2594 | |
2595 | /* chase the port close */ | |
2742fd88 | 2596 | chase_port(edge_port, 0, 0); |
1da177e4 | 2597 | |
95da310e | 2598 | if (break_state == -1) |
2742fd88 AC |
2599 | bv = 1; /* On */ |
2600 | status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv); | |
2601 | if (status) | |
2602 | dbg("%s - error %d sending break set/clear command.", | |
441b62c1 | 2603 | __func__, status); |
1da177e4 LT |
2604 | } |
2605 | ||
2742fd88 | 2606 | static int edge_startup(struct usb_serial *serial) |
1da177e4 LT |
2607 | { |
2608 | struct edgeport_serial *edge_serial; | |
2609 | struct edgeport_port *edge_port; | |
2610 | struct usb_device *dev; | |
2611 | int status; | |
2612 | int i; | |
2613 | ||
2614 | dev = serial->dev; | |
2615 | ||
2616 | /* create our private serial structure */ | |
80b6ca48 | 2617 | edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); |
1da177e4 | 2618 | if (edge_serial == NULL) { |
441b62c1 | 2619 | dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); |
1da177e4 LT |
2620 | return -ENOMEM; |
2621 | } | |
241ca64f | 2622 | mutex_init(&edge_serial->es_lock); |
1da177e4 LT |
2623 | edge_serial->serial = serial; |
2624 | usb_set_serial_data(serial, edge_serial); | |
2625 | ||
2742fd88 | 2626 | status = download_fw(edge_serial); |
1da177e4 | 2627 | if (status) { |
2742fd88 | 2628 | kfree(edge_serial); |
1da177e4 LT |
2629 | return status; |
2630 | } | |
2631 | ||
2632 | /* set up our port private structures */ | |
2633 | for (i = 0; i < serial->num_ports; ++i) { | |
80b6ca48 | 2634 | edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL); |
1da177e4 | 2635 | if (edge_port == NULL) { |
2742fd88 AC |
2636 | dev_err(&serial->dev->dev, "%s - Out of memory\n", |
2637 | __func__); | |
1da177e4 LT |
2638 | goto cleanup; |
2639 | } | |
1da177e4 | 2640 | spin_lock_init(&edge_port->ep_lock); |
d733cec1 JH |
2641 | if (kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE, |
2642 | GFP_KERNEL)) { | |
2742fd88 AC |
2643 | dev_err(&serial->dev->dev, "%s - Out of memory\n", |
2644 | __func__); | |
1da177e4 LT |
2645 | kfree(edge_port); |
2646 | goto cleanup; | |
2647 | } | |
2648 | edge_port->port = serial->port[i]; | |
2649 | edge_port->edge_serial = edge_serial; | |
2650 | usb_set_serial_port_data(serial->port[i], edge_port); | |
fc4cbd75 | 2651 | edge_port->bUartMode = default_uart_mode; |
1da177e4 | 2652 | } |
2742fd88 | 2653 | |
1da177e4 LT |
2654 | return 0; |
2655 | ||
2656 | cleanup: | |
2742fd88 | 2657 | for (--i; i >= 0; --i) { |
1da177e4 | 2658 | edge_port = usb_get_serial_port_data(serial->port[i]); |
d733cec1 | 2659 | kfifo_free(&edge_port->write_fifo); |
1da177e4 LT |
2660 | kfree(edge_port); |
2661 | usb_set_serial_port_data(serial->port[i], NULL); | |
2662 | } | |
2742fd88 | 2663 | kfree(edge_serial); |
1da177e4 LT |
2664 | usb_set_serial_data(serial, NULL); |
2665 | return -ENOMEM; | |
2666 | } | |
2667 | ||
f9c99bb8 | 2668 | static void edge_disconnect(struct usb_serial *serial) |
1da177e4 LT |
2669 | { |
2670 | int i; | |
2671 | struct edgeport_port *edge_port; | |
2672 | ||
2742fd88 | 2673 | dbg("%s", __func__); |
1da177e4 | 2674 | |
0d46c007 | 2675 | for (i = 0; i < serial->num_ports; ++i) { |
1da177e4 | 2676 | edge_port = usb_get_serial_port_data(serial->port[i]); |
fc4cbd75 | 2677 | edge_remove_sysfs_attrs(edge_port->port); |
f9c99bb8 AS |
2678 | } |
2679 | } | |
2680 | ||
2681 | static void edge_release(struct usb_serial *serial) | |
2682 | { | |
2683 | int i; | |
2684 | struct edgeport_port *edge_port; | |
2685 | ||
2686 | dbg("%s", __func__); | |
2687 | ||
2688 | for (i = 0; i < serial->num_ports; ++i) { | |
2689 | edge_port = usb_get_serial_port_data(serial->port[i]); | |
d733cec1 | 2690 | kfifo_free(&edge_port->write_fifo); |
0d46c007 | 2691 | kfree(edge_port); |
1da177e4 | 2692 | } |
0d46c007 | 2693 | kfree(usb_get_serial_data(serial)); |
1da177e4 LT |
2694 | } |
2695 | ||
2696 | ||
fc4cbd75 MP |
2697 | /* Sysfs Attributes */ |
2698 | ||
2699 | static ssize_t show_uart_mode(struct device *dev, | |
2700 | struct device_attribute *attr, char *buf) | |
2701 | { | |
2702 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2703 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2704 | ||
2705 | return sprintf(buf, "%d\n", edge_port->bUartMode); | |
2706 | } | |
2707 | ||
2708 | static ssize_t store_uart_mode(struct device *dev, | |
2709 | struct device_attribute *attr, const char *valbuf, size_t count) | |
2710 | { | |
2711 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2712 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2713 | unsigned int v = simple_strtoul(valbuf, NULL, 0); | |
2714 | ||
441b62c1 | 2715 | dbg("%s: setting uart_mode = %d", __func__, v); |
fc4cbd75 MP |
2716 | |
2717 | if (v < 256) | |
2718 | edge_port->bUartMode = v; | |
2719 | else | |
441b62c1 | 2720 | dev_err(dev, "%s - uart_mode %d is invalid\n", __func__, v); |
fc4cbd75 MP |
2721 | |
2722 | return count; | |
2723 | } | |
2724 | ||
2742fd88 AC |
2725 | static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, |
2726 | store_uart_mode); | |
fc4cbd75 MP |
2727 | |
2728 | static int edge_create_sysfs_attrs(struct usb_serial_port *port) | |
2729 | { | |
2730 | return device_create_file(&port->dev, &dev_attr_uart_mode); | |
2731 | } | |
2732 | ||
2733 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port) | |
2734 | { | |
2735 | device_remove_file(&port->dev, &dev_attr_uart_mode); | |
2736 | return 0; | |
2737 | } | |
2738 | ||
2739 | ||
ea65370d | 2740 | static struct usb_serial_driver edgeport_1port_device = { |
18fcac35 | 2741 | .driver = { |
269bda1c GKH |
2742 | .owner = THIS_MODULE, |
2743 | .name = "edgeport_ti_1", | |
18fcac35 | 2744 | }, |
269bda1c | 2745 | .description = "Edgeport TI 1 port adapter", |
d9b1b787 | 2746 | .usb_driver = &io_driver, |
1da177e4 | 2747 | .id_table = edgeport_1port_id_table, |
1da177e4 LT |
2748 | .num_ports = 1, |
2749 | .open = edge_open, | |
2750 | .close = edge_close, | |
2751 | .throttle = edge_throttle, | |
2752 | .unthrottle = edge_unthrottle, | |
2753 | .attach = edge_startup, | |
f9c99bb8 AS |
2754 | .disconnect = edge_disconnect, |
2755 | .release = edge_release, | |
fc4cbd75 | 2756 | .port_probe = edge_create_sysfs_attrs, |
1da177e4 LT |
2757 | .ioctl = edge_ioctl, |
2758 | .set_termios = edge_set_termios, | |
2759 | .tiocmget = edge_tiocmget, | |
2760 | .tiocmset = edge_tiocmset, | |
2761 | .write = edge_write, | |
2762 | .write_room = edge_write_room, | |
2763 | .chars_in_buffer = edge_chars_in_buffer, | |
2764 | .break_ctl = edge_break, | |
2765 | .read_int_callback = edge_interrupt_callback, | |
2766 | .read_bulk_callback = edge_bulk_in_callback, | |
2767 | .write_bulk_callback = edge_bulk_out_callback, | |
2768 | }; | |
2769 | ||
ea65370d | 2770 | static struct usb_serial_driver edgeport_2port_device = { |
18fcac35 | 2771 | .driver = { |
269bda1c GKH |
2772 | .owner = THIS_MODULE, |
2773 | .name = "edgeport_ti_2", | |
18fcac35 | 2774 | }, |
269bda1c | 2775 | .description = "Edgeport TI 2 port adapter", |
d9b1b787 | 2776 | .usb_driver = &io_driver, |
1da177e4 | 2777 | .id_table = edgeport_2port_id_table, |
1da177e4 LT |
2778 | .num_ports = 2, |
2779 | .open = edge_open, | |
2780 | .close = edge_close, | |
2781 | .throttle = edge_throttle, | |
2782 | .unthrottle = edge_unthrottle, | |
2783 | .attach = edge_startup, | |
f9c99bb8 AS |
2784 | .disconnect = edge_disconnect, |
2785 | .release = edge_release, | |
fc4cbd75 | 2786 | .port_probe = edge_create_sysfs_attrs, |
1da177e4 LT |
2787 | .ioctl = edge_ioctl, |
2788 | .set_termios = edge_set_termios, | |
2789 | .tiocmget = edge_tiocmget, | |
2790 | .tiocmset = edge_tiocmset, | |
2791 | .write = edge_write, | |
2792 | .write_room = edge_write_room, | |
2793 | .chars_in_buffer = edge_chars_in_buffer, | |
2794 | .break_ctl = edge_break, | |
2795 | .read_int_callback = edge_interrupt_callback, | |
2796 | .read_bulk_callback = edge_bulk_in_callback, | |
2797 | .write_bulk_callback = edge_bulk_out_callback, | |
2798 | }; | |
2799 | ||
2800 | ||
2801 | static int __init edgeport_init(void) | |
2802 | { | |
2803 | int retval; | |
2804 | retval = usb_serial_register(&edgeport_1port_device); | |
2805 | if (retval) | |
2806 | goto failed_1port_device_register; | |
2807 | retval = usb_serial_register(&edgeport_2port_device); | |
2808 | if (retval) | |
2809 | goto failed_2port_device_register; | |
2810 | retval = usb_register(&io_driver); | |
2742fd88 | 2811 | if (retval) |
1da177e4 | 2812 | goto failed_usb_register; |
c197a8db GKH |
2813 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
2814 | DRIVER_DESC "\n"); | |
1da177e4 LT |
2815 | return 0; |
2816 | failed_usb_register: | |
2817 | usb_serial_deregister(&edgeport_2port_device); | |
2818 | failed_2port_device_register: | |
2819 | usb_serial_deregister(&edgeport_1port_device); | |
2820 | failed_1port_device_register: | |
2821 | return retval; | |
2822 | } | |
2823 | ||
2742fd88 | 2824 | static void __exit edgeport_exit(void) |
1da177e4 | 2825 | { |
2742fd88 AC |
2826 | usb_deregister(&io_driver); |
2827 | usb_serial_deregister(&edgeport_1port_device); | |
2828 | usb_serial_deregister(&edgeport_2port_device); | |
1da177e4 LT |
2829 | } |
2830 | ||
2831 | module_init(edgeport_init); | |
2832 | module_exit(edgeport_exit); | |
2833 | ||
2834 | /* Module information */ | |
2835 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
2836 | MODULE_DESCRIPTION(DRIVER_DESC); | |
2837 | MODULE_LICENSE("GPL"); | |
d12b219a | 2838 | MODULE_FIRMWARE("edgeport/down3.bin"); |
1da177e4 LT |
2839 | |
2840 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
2841 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
2842 | ||
1da177e4 LT |
2843 | module_param(closing_wait, int, S_IRUGO | S_IWUSR); |
2844 | MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); | |
2845 | ||
2846 | module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR); | |
2742fd88 AC |
2847 | MODULE_PARM_DESC(ignore_cpu_rev, |
2848 | "Ignore the cpu revision when connecting to a device"); | |
1da177e4 | 2849 | |
fc4cbd75 MP |
2850 | module_param(default_uart_mode, int, S_IRUGO | S_IWUSR); |
2851 | MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ..."); |