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Merge tag 'usb-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / serial / io_ti.c
CommitLineData
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>.
1da177e4
LT		 18 */
19
1da177e4
LT		 20#include <linux/kernel.h>
21#include <linux/jiffies.h>
22#include <linux/errno.h>
23#include <linux/init.h>
24#include <linux/slab.h>
25#include <linux/tty.h>
26#include <linux/tty_driver.h>
27#include <linux/tty_flip.h>
28#include <linux/module.h>
29#include <linux/spinlock.h>
241ca64f 30#include <linux/mutex.h>
1da177e4 31#include <linux/serial.h>
d733cec1 32#include <linux/kfifo.h>
1da177e4 33#include <linux/ioctl.h>
d12b219a 34#include <linux/firmware.h>
2742fd88 35#include <linux/uaccess.h>
1da177e4 36#include <linux/usb.h>
a969888c 37#include <linux/usb/serial.h>
1da177e4 38
1da177e4
LT		 39#include "io_16654.h"
40#include "io_usbvend.h"
41#include "io_ti.h"
42
1da177e4
LT		 43#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com> and David Iacovelli"
44#define DRIVER_DESC "Edgeport USB Serial Driver"
45
1da177e4
LT		 46#define EPROM_PAGE_SIZE 64
47
48
1da177e4
LT		 49/* different hardware types */
50#define HARDWARE_TYPE_930 0
51#define HARDWARE_TYPE_TIUMP 1
52
2742fd88
AC		 53/* IOCTL_PRIVATE_TI_GET_MODE Definitions */
54#define TI_MODE_CONFIGURING 0 /* Device has not entered start device */
55#define TI_MODE_BOOT 1 /* Staying in boot mode */
56#define TI_MODE_DOWNLOAD 2 /* Made it to download mode */
57#define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but
58 transitioning to download mode */
1da177e4
LT		 59
60/* read urb state */
61#define EDGE_READ_URB_RUNNING 0
62#define EDGE_READ_URB_STOPPING 1
63#define EDGE_READ_URB_STOPPED 2
64
1da177e4
LT		 65#define EDGE_CLOSING_WAIT 4000 /* in .01 sec */
66
67#define EDGE_OUT_BUF_SIZE 1024
68
69
70/* Product information read from the Edgeport */
2742fd88
AC		 71struct product_info {
72 int TiMode; /* Current TI Mode */
73 __u8 hardware_type; /* Type of hardware */
1da177e4
LT		 74} __attribute__((packed));
75
1da177e4
LT		 76struct edgeport_port {
77 __u16 uart_base;
78 __u16 dma_address;
79 __u8 shadow_msr;
80 __u8 shadow_mcr;
81 __u8 shadow_lsr;
82 __u8 lsr_mask;
19af5cdb 83 __u32 ump_read_timeout; /* Number of milliseconds the UMP will
1da177e4
LT		 84 wait without data before completing
85 a read short */
86 int baud_rate;
87 int close_pending;
88 int lsr_event;
48ee5801 89
1da177e4
LT		 90 struct edgeport_serial *edge_serial;
91 struct usb_serial_port *port;
2742fd88 92 __u8 bUartMode; /* Port type, 0: RS232, etc. */
1da177e4
LT		 93 spinlock_t ep_lock;
94 int ep_read_urb_state;
95 int ep_write_urb_in_use;
d733cec1 96 struct kfifo write_fifo;
1da177e4
LT		 97};
98
99struct edgeport_serial {
100 struct product_info product_info;
2742fd88
AC		 101 u8 TI_I2C_Type; /* Type of I2C in UMP */
102 u8 TiReadI2C; /* Set to TRUE if we have read the
103 I2c in Boot Mode */
241ca64f 104 struct mutex es_lock;
1da177e4
LT		 105 int num_ports_open;
106 struct usb_serial *serial;
107};
108
109
110/* Devices that this driver supports */
7d40d7e8 111static const struct usb_device_id edgeport_1port_id_table[] = {
1da177e4
LT		 112 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) },
113 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) },
114 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) },
115 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) },
116 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) },
117 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) },
118 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) },
119 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) },
120 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) },
121 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) },
122 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) },
123 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) },
124 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) },
125 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) },
126 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) },
127 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) },
128 { }
129};
130
7d40d7e8 131static const struct usb_device_id edgeport_2port_id_table[] = {
1da177e4
LT		 132 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) },
133 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) },
134 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) },
135 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) },
136 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) },
137 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) },
138 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) },
139 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) },
140 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) },
141 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) },
142 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) },
143 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) },
fc4cbd75 144 /* The 4, 8 and 16 port devices show up as multiple 2 port devices */
1da177e4 145 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) },
fc4cbd75
MP		 146 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) },
147 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
148 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
149 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
1da177e4
LT		 150 { }
151};
152
153/* Devices that this driver supports */
7d40d7e8 154static const struct usb_device_id id_table_combined[] = {
1da177e4
LT		 155 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) },
156 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) },
157 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) },
158 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) },
159 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) },
160 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) },
161 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) },
162 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) },
163 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) },
164 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) },
165 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) },
166 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) },
167 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) },
168 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) },
169 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) },
170 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) },
171 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) },
172 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) },
173 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) },
174 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) },
175 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) },
176 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) },
177 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) },
178 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) },
179 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) },
180 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) },
181 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) },
182 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) },
183 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) },
fc4cbd75
MP		 184 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) },
185 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
186 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
187 { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
1da177e4
LT		 188 { }
189};
190
2742fd88 191MODULE_DEVICE_TABLE(usb, id_table_combined);
1da177e4 192
d12b219a
JS		 193static unsigned char OperationalMajorVersion;
194static unsigned char OperationalMinorVersion;
195static unsigned short OperationalBuildNumber;
1da177e4 196
1da177e4 197static int closing_wait = EDGE_CLOSING_WAIT;
90ab5ee9 198static bool ignore_cpu_rev;
2742fd88 199static int default_uart_mode; /* RS232 */
1da177e4 200
2e124b4a
JS		 201static void edge_tty_recv(struct usb_serial_port *port, unsigned char *data,
202 int length);
1da177e4
LT		 203
204static void stop_read(struct edgeport_port *edge_port);
205static int restart_read(struct edgeport_port *edge_port);
206
95da310e
AC		 207static void edge_set_termios(struct tty_struct *tty,
208 struct usb_serial_port *port, struct ktermios *old_termios);
209static void edge_send(struct tty_struct *tty);
1da177e4 210
fc4cbd75
MP		 211/* sysfs attributes */
212static int edge_create_sysfs_attrs(struct usb_serial_port *port);
213static int edge_remove_sysfs_attrs(struct usb_serial_port *port);
214
1da177e4 215
2742fd88
AC		 216static int ti_vread_sync(struct usb_device *dev, __u8 request,
217 __u16 value, __u16 index, u8 *data, int size)
1da177e4
LT		 218{
219 int status;
220
2742fd88
AC		 221 status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
222 (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN),
223 value, index, data, size, 1000);
1da177e4
LT		 224 if (status < 0)
225 return status;
226 if (status != size) {
67e6da70
GKH		 227 dev_dbg(&dev->dev, "%s - wanted to write %d, but only wrote %d\n",
228 __func__, size, status);
1da177e4
LT		 229 return -ECOMM;
230 }
231 return 0;
232}
233
2742fd88
AC		 234static int ti_vsend_sync(struct usb_device *dev, __u8 request,
235 __u16 value, __u16 index, u8 *data, int size)
1da177e4
LT		 236{
237 int status;
238
2742fd88
AC		 239 status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request,
240 (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT),
241 value, index, data, size, 1000);
1da177e4
LT		 242 if (status < 0)
243 return status;
244 if (status != size) {
67e6da70
GKH		 245 dev_dbg(&dev->dev, "%s - wanted to write %d, but only wrote %d\n",
246 __func__, size, status);
1da177e4
LT		 247 return -ECOMM;
248 }
249 return 0;
250}
251
2742fd88 252static int send_cmd(struct usb_device *dev, __u8 command,
1da177e4
LT		 253 __u8 moduleid, __u16 value, u8 *data,
254 int size)
255{
2742fd88 256 return ti_vsend_sync(dev, command, value, moduleid, data, size);
1da177e4
LT		 257}
258
259/* clear tx/rx buffers and fifo in TI UMP */
2742fd88 260static int purge_port(struct usb_serial_port *port, __u16 mask)
1da177e4
LT		 261{
262 int port_number = port->number - port->serial->minor;
263
67e6da70 264 dev_dbg(&port->dev, "%s - port %d, mask %x\n", __func__, port_number, mask);
1da177e4 265
2742fd88 266 return send_cmd(port->serial->dev,
1da177e4
LT		 267 UMPC_PURGE_PORT,
268 (__u8)(UMPM_UART1_PORT + port_number),
269 mask,
270 NULL,
271 0);
272}
273
274/**
2742fd88 275 * read_download_mem - Read edgeport memory from TI chip
1da177e4
LT		 276 * @dev: usb device pointer
277 * @start_address: Device CPU address at which to read
278 * @length: Length of above data
279 * @address_type: Can read both XDATA and I2C
280 * @buffer: pointer to input data buffer
281 */
2742fd88 282static int read_download_mem(struct usb_device *dev, int start_address,
1da177e4
LT		 283 int length, __u8 address_type, __u8 *buffer)
284{
285 int status = 0;
286 __u8 read_length;
287 __be16 be_start_address;
2742fd88 288
67e6da70 289 dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, length);
1da177e4
LT		 290
291 /* Read in blocks of 64 bytes
292 * (TI firmware can't handle more than 64 byte reads)
293 */
294 while (length) {
295 if (length > 64)
2742fd88 296 read_length = 64;
1da177e4
LT		 297 else
298 read_length = (__u8)length;
299
300 if (read_length > 1) {
67e6da70 301 dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, read_length);
1da177e4 302 }
2742fd88
AC		 303 be_start_address = cpu_to_be16(start_address);
304 status = ti_vread_sync(dev, UMPC_MEMORY_READ,
305 (__u16)address_type,
306 (__force __u16)be_start_address,
307 buffer, read_length);
1da177e4
LT		 308
309 if (status) {
67e6da70 310 dev_dbg(&dev->dev, "%s - ERROR %x\n", __func__, status);
1da177e4
LT		 311 return status;
312 }
313
2742fd88 314 if (read_length > 1)
59d33f2f 315 usb_serial_debug_data(&dev->dev, __func__, read_length, buffer);
1da177e4
LT		 316
317 /* Update pointers/length */
318 start_address += read_length;
319 buffer += read_length;
320 length -= read_length;
321 }
2742fd88 322
1da177e4
LT		 323 return status;
324}
325
2742fd88
AC		 326static int read_ram(struct usb_device *dev, int start_address,
327 int length, __u8 *buffer)
1da177e4 328{
2742fd88
AC		 329 return read_download_mem(dev, start_address, length,
330 DTK_ADDR_SPACE_XDATA, buffer);
1da177e4
LT		 331}
332
333/* Read edgeport memory to a given block */
2742fd88
AC		 334static int read_boot_mem(struct edgeport_serial *serial,
335 int start_address, int length, __u8 *buffer)
1da177e4
LT		 336{
337 int status = 0;
338 int i;
339
2742fd88
AC		 340 for (i = 0; i < length; i++) {
341 status = ti_vread_sync(serial->serial->dev,
342 UMPC_MEMORY_READ, serial->TI_I2C_Type,
343 (__u16)(start_address+i), &buffer[i], 0x01);
1da177e4 344 if (status) {
67e6da70 345 dev_dbg(&serial->serial->dev->dev, "%s - ERROR %x\n", __func__, status);
1da177e4
LT		 346 return status;
347 }
348 }
349
67e6da70
GKH		 350 dev_dbg(&serial->serial->dev->dev, "%s - start_address = %x, length = %d\n",
351 __func__, start_address, length);
59d33f2f 352 usb_serial_debug_data(&serial->serial->dev->dev, __func__, length, buffer);
1da177e4
LT		 353
354 serial->TiReadI2C = 1;
355
356 return status;
357}
358
359/* Write given block to TI EPROM memory */
2742fd88
AC		 360static int write_boot_mem(struct edgeport_serial *serial,
361 int start_address, int length, __u8 *buffer)
1da177e4
LT		 362{
363 int status = 0;
364 int i;
e9305d2f 365 u8 *temp;
1da177e4
LT		 366
367 /* Must do a read before write */
368 if (!serial->TiReadI2C) {
e9305d2f
JH		 369 temp = kmalloc(1, GFP_KERNEL);
370 if (!temp) {
371 dev_err(&serial->serial->dev->dev,
372 "%s - out of memory\n", __func__);
373 return -ENOMEM;
374 }
375 status = read_boot_mem(serial, 0, 1, temp);
376 kfree(temp);
1da177e4
LT		 377 if (status)
378 return status;
379 }
380
2742fd88
AC		 381 for (i = 0; i < length; ++i) {
382 status = ti_vsend_sync(serial->serial->dev,
383 UMPC_MEMORY_WRITE, buffer[i],
384 (__u16)(i + start_address), NULL, 0);
1da177e4
LT		 385 if (status)
386 return status;
387 }
388
67e6da70 389 dev_dbg(&serial->serial->dev->dev, "%s - start_sddr = %x, length = %d\n", __func__, start_address, length);
59d33f2f 390 usb_serial_debug_data(&serial->serial->dev->dev, __func__, length, buffer);
1da177e4
LT		 391
392 return status;
393}
394
395
396/* Write edgeport I2C memory to TI chip */
2742fd88
AC		 397static int write_i2c_mem(struct edgeport_serial *serial,
398 int start_address, int length, __u8 address_type, __u8 *buffer)
1da177e4 399{
67e6da70 400 struct device *dev = &serial->serial->dev->dev;
1da177e4
LT		 401 int status = 0;
402 int write_length;
403 __be16 be_start_address;
404
405 /* We can only send a maximum of 1 aligned byte page at a time */
2742fd88 406
25985edc 407 /* calculate the number of bytes left in the first page */
2742fd88
AC		 408 write_length = EPROM_PAGE_SIZE -
409 (start_address & (EPROM_PAGE_SIZE - 1));
1da177e4
LT		 410
411 if (write_length > length)
412 write_length = length;
413
67e6da70
GKH		 414 dev_dbg(dev, "%s - BytesInFirstPage Addr = %x, length = %d\n",
415 __func__, start_address, write_length);
59d33f2f 416 usb_serial_debug_data(dev, __func__, write_length, buffer);
1da177e4
LT		 417
418 /* Write first page */
2742fd88
AC		 419 be_start_address = cpu_to_be16(start_address);
420 status = ti_vsend_sync(serial->serial->dev,
421 UMPC_MEMORY_WRITE, (__u16)address_type,
422 (__force __u16)be_start_address,
423 buffer, write_length);
1da177e4 424 if (status) {
67e6da70 425 dev_dbg(dev, "%s - ERROR %d\n", __func__, status);
1da177e4
LT		 426 return status;
427 }
428
429 length -= write_length;
430 start_address += write_length;
431 buffer += write_length;
432
2742fd88
AC		 433 /* We should be aligned now -- can write
434 max page size bytes at a time */
1da177e4
LT		 435 while (length) {
436 if (length > EPROM_PAGE_SIZE)
437 write_length = EPROM_PAGE_SIZE;
438 else
439 write_length = length;
440
67e6da70
GKH		 441 dev_dbg(dev, "%s - Page Write Addr = %x, length = %d\n",
442 __func__, start_address, write_length);
59d33f2f 443 usb_serial_debug_data(dev, __func__, write_length, buffer);
1da177e4
LT		 444
445 /* Write next page */
2742fd88
AC		 446 be_start_address = cpu_to_be16(start_address);
447 status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE,
448 (__u16)address_type,
449 (__force __u16)be_start_address,
450 buffer, write_length);
1da177e4 451 if (status) {
67e6da70 452 dev_err(dev, "%s - ERROR %d\n", __func__, status);
1da177e4
LT		 453 return status;
454 }
2742fd88 455
1da177e4
LT		 456 length -= write_length;
457 start_address += write_length;
458 buffer += write_length;
459 }
460 return status;
461}
462
463/* Examine the UMP DMA registers and LSR
2742fd88 464 *
1da177e4
LT		 465 * Check the MSBit of the X and Y DMA byte count registers.
466 * A zero in this bit indicates that the TX DMA buffers are empty
467 * then check the TX Empty bit in the UART.
468 */
2742fd88 469static int tx_active(struct edgeport_port *port)
1da177e4
LT		 470{
471 int status;
472 struct out_endpoint_desc_block *oedb;
473 __u8 *lsr;
474 int bytes_left = 0;
475
2742fd88 476 oedb = kmalloc(sizeof(*oedb), GFP_KERNEL);
1da177e4 477 if (!oedb) {
2742fd88 478 dev_err(&port->port->dev, "%s - out of memory\n", __func__);
1da177e4
LT		 479 return -ENOMEM;
480 }
481
2742fd88 482 lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte,
1da177e4
LT		 483 as not all platforms can do DMA
484 from stack */
485 if (!lsr) {
486 kfree(oedb);
487 return -ENOMEM;
488 }
489 /* Read the DMA Count Registers */
2742fd88
AC		 490 status = read_ram(port->port->serial->dev, port->dma_address,
491 sizeof(*oedb), (void *)oedb);
1da177e4
LT		 492 if (status)
493 goto exit_is_tx_active;
494
67e6da70 495 dev_dbg(&port->port->dev, "%s - XByteCount 0x%X\n", __func__, oedb->XByteCount);
1da177e4
LT		 496
497 /* and the LSR */
2742fd88
AC		 498 status = read_ram(port->port->serial->dev,
499 port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr);
1da177e4
LT		 500
501 if (status)
502 goto exit_is_tx_active;
67e6da70 503 dev_dbg(&port->port->dev, "%s - LSR = 0x%X\n", __func__, *lsr);
2742fd88 504
1da177e4 505 /* If either buffer has data or we are transmitting then return TRUE */
2742fd88 506 if ((oedb->XByteCount & 0x80) != 0)
1da177e4
LT		 507 bytes_left += 64;
508
2742fd88 509 if ((*lsr & UMP_UART_LSR_TX_MASK) == 0)
1da177e4
LT		 510 bytes_left += 1;
511
512 /* We return Not Active if we get any kind of error */
513exit_is_tx_active:
67e6da70 514 dev_dbg(&port->port->dev, "%s - return %d\n", __func__, bytes_left);
1da177e4
LT		 515
516 kfree(lsr);
517 kfree(oedb);
518 return bytes_left;
519}
520
2742fd88 521static int choose_config(struct usb_device *dev)
1da177e4 522{
2742fd88
AC		 523 /*
524 * There may be multiple configurations on this device, in which case
525 * we would need to read and parse all of them to find out which one
526 * we want. However, we just support one config at this point,
527 * configuration # 1, which is Config Descriptor 0.
528 */
1da177e4 529
67e6da70
GKH		 530 dev_dbg(&dev->dev, "%s - Number of Interfaces = %d\n",
531 __func__, dev->config->desc.bNumInterfaces);
532 dev_dbg(&dev->dev, "%s - MAX Power = %d\n",
533 __func__, dev->config->desc.bMaxPower * 2);
1da177e4
LT		 534
535 if (dev->config->desc.bNumInterfaces != 1) {
67e6da70 536 dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", __func__);
1da177e4
LT		 537 return -ENODEV;
538 }
539
540 return 0;
541}
542
2742fd88
AC		 543static int read_rom(struct edgeport_serial *serial,
544 int start_address, int length, __u8 *buffer)
1da177e4
LT		 545{
546 int status;
547
548 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) {
2742fd88 549 status = read_download_mem(serial->serial->dev,
1da177e4
LT		 550 start_address,
551 length,
552 serial->TI_I2C_Type,
553 buffer);
554 } else {
2742fd88
AC		 555 status = read_boot_mem(serial, start_address, length,
556 buffer);
1da177e4 557 }
1da177e4
LT		 558 return status;
559}
560
2742fd88
AC		 561static int write_rom(struct edgeport_serial *serial, int start_address,
562 int length, __u8 *buffer)
1da177e4
LT		 563{
564 if (serial->product_info.TiMode == TI_MODE_BOOT)
2742fd88
AC		 565 return write_boot_mem(serial, start_address, length,
566 buffer);
1da177e4
LT		 567
568 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD)
2742fd88
AC		 569 return write_i2c_mem(serial, start_address, length,
570 serial->TI_I2C_Type, buffer);
1da177e4
LT		 571 return -EINVAL;
572}
573
574
575
576/* Read a descriptor header from I2C based on type */
2742fd88
AC		 577static int get_descriptor_addr(struct edgeport_serial *serial,
578 int desc_type, struct ti_i2c_desc *rom_desc)
1da177e4
LT		 579{
580 int start_address;
581 int status;
582
583 /* Search for requested descriptor in I2C */
584 start_address = 2;
585 do {
2742fd88 586 status = read_rom(serial,
1da177e4
LT		 587 start_address,
588 sizeof(struct ti_i2c_desc),
2742fd88 589 (__u8 *)rom_desc);
1da177e4
LT		 590 if (status)
591 return 0;
592
593 if (rom_desc->Type == desc_type)
594 return start_address;
595
2742fd88
AC		 596 start_address = start_address + sizeof(struct ti_i2c_desc)
597 + rom_desc->Size;
1da177e4
LT		 598
599 } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type);
2742fd88 600
1da177e4
LT		 601 return 0;
602}
603
604/* Validate descriptor checksum */
2742fd88 605static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer)
1da177e4
LT		 606{
607 __u16 i;
608 __u8 cs = 0;
609
2742fd88 610 for (i = 0; i < rom_desc->Size; i++)
1da177e4 611 cs = (__u8)(cs + buffer[i]);
2742fd88 612
1da177e4 613 if (cs != rom_desc->CheckSum) {
67e6da70 614 pr_debug("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs);
1da177e4
LT		 615 return -EINVAL;
616 }
617 return 0;
618}
619
620/* Make sure that the I2C image is good */
2742fd88 621static int check_i2c_image(struct edgeport_serial *serial)
1da177e4
LT		 622{
623 struct device *dev = &serial->serial->dev->dev;
624 int status = 0;
625 struct ti_i2c_desc *rom_desc;
626 int start_address = 2;
627 __u8 *buffer;
628 __u16 ttype;
629
2742fd88 630 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
1da177e4 631 if (!rom_desc) {
2742fd88 632 dev_err(dev, "%s - out of memory\n", __func__);
1da177e4
LT		 633 return -ENOMEM;
634 }
2742fd88 635 buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL);
1da177e4 636 if (!buffer) {
2742fd88
AC		 637 dev_err(dev, "%s - out of memory when allocating buffer\n",
638 __func__);
639 kfree(rom_desc);
1da177e4
LT		 640 return -ENOMEM;
641 }
642
2742fd88
AC		 643 /* Read the first byte (Signature0) must be 0x52 or 0x10 */
644 status = read_rom(serial, 0, 1, buffer);
1da177e4 645 if (status)
2742fd88 646 goto out;
1da177e4
LT		 647
648 if (*buffer != UMP5152 && *buffer != UMP3410) {
2742fd88 649 dev_err(dev, "%s - invalid buffer signature\n", __func__);
1da177e4 650 status = -ENODEV;
2742fd88 651 goto out;
1da177e4
LT		 652 }
653
654 do {
2742fd88
AC		 655 /* Validate the I2C */
656 status = read_rom(serial,
1da177e4
LT		 657 start_address,
658 sizeof(struct ti_i2c_desc),
659 (__u8 *)rom_desc);
660 if (status)
661 break;
662
2742fd88
AC		 663 if ((start_address + sizeof(struct ti_i2c_desc) +
664 rom_desc->Size) > TI_MAX_I2C_SIZE) {
1da177e4 665 status = -ENODEV;
67e6da70 666 dev_dbg(dev, "%s - structure too big, erroring out.\n", __func__);
1da177e4
LT		 667 break;
668 }
669
67e6da70 670 dev_dbg(dev, "%s Type = 0x%x\n", __func__, rom_desc->Type);
1da177e4 671
2742fd88 672 /* Skip type 2 record */
1da177e4 673 ttype = rom_desc->Type & 0x0f;
2742fd88
AC		 674 if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC
675 && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) {
676 /* Read the descriptor data */
677 status = read_rom(serial, start_address +
678 sizeof(struct ti_i2c_desc),
679 rom_desc->Size, buffer);
1da177e4
LT		 680 if (status)
681 break;
682
2742fd88 683 status = valid_csum(rom_desc, buffer);
1da177e4
LT		 684 if (status)
685 break;
686 }
2742fd88
AC		 687 start_address = start_address + sizeof(struct ti_i2c_desc) +
688 rom_desc->Size;
1da177e4 689
2742fd88
AC		 690 } while ((rom_desc->Type != I2C_DESC_TYPE_ION) &&
691 (start_address < TI_MAX_I2C_SIZE));
1da177e4 692
2742fd88
AC		 693 if ((rom_desc->Type != I2C_DESC_TYPE_ION) ||
694 (start_address > TI_MAX_I2C_SIZE))
1da177e4
LT		 695 status = -ENODEV;
696
2742fd88
AC		 697out:
698 kfree(buffer);
699 kfree(rom_desc);
1da177e4
LT		 700 return status;
701}
702
2742fd88 703static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer)
1da177e4
LT		 704{
705 int status;
706 int start_address;
707 struct ti_i2c_desc *rom_desc;
708 struct edge_ti_manuf_descriptor *desc;
67e6da70 709 struct device *dev = &serial->serial->dev->dev;
1da177e4 710
2742fd88 711 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
1da177e4 712 if (!rom_desc) {
67e6da70 713 dev_err(dev, "%s - out of memory\n", __func__);
1da177e4
LT		 714 return -ENOMEM;
715 }
2742fd88
AC		 716 start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION,
717 rom_desc);
1da177e4
LT		 718
719 if (!start_address) {
67e6da70 720 dev_dbg(dev, "%s - Edge Descriptor not found in I2C\n", __func__);
1da177e4
LT		 721 status = -ENODEV;
722 goto exit;
723 }
724
2742fd88
AC		 725 /* Read the descriptor data */
726 status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc),
727 rom_desc->Size, buffer);
1da177e4
LT		 728 if (status)
729 goto exit;
2742fd88
AC		 730
731 status = valid_csum(rom_desc, buffer);
732
1da177e4 733 desc = (struct edge_ti_manuf_descriptor *)buffer;
67e6da70
GKH		 734 dev_dbg(dev, "%s - IonConfig 0x%x\n", __func__, desc->IonConfig);
735 dev_dbg(dev, "%s - Version %d\n", __func__, desc->Version);
736 dev_dbg(dev, "%s - Cpu/Board 0x%x\n", __func__, desc->CpuRev_BoardRev);
737 dev_dbg(dev, "%s - NumPorts %d\n", __func__, desc->NumPorts);
738 dev_dbg(dev, "%s - NumVirtualPorts %d\n", __func__, desc->NumVirtualPorts);
739 dev_dbg(dev, "%s - TotalPorts %d\n", __func__, desc->TotalPorts);
1da177e4
LT		 740
741exit:
2742fd88 742 kfree(rom_desc);
1da177e4
LT		 743 return status;
744}
745
746/* Build firmware header used for firmware update */
2742fd88 747static int build_i2c_fw_hdr(__u8 *header, struct device *dev)
1da177e4
LT		 748{
749 __u8 *buffer;
750 int buffer_size;
751 int i;
d12b219a 752 int err;
1da177e4
LT		 753 __u8 cs = 0;
754 struct ti_i2c_desc *i2c_header;
755 struct ti_i2c_image_header *img_header;
756 struct ti_i2c_firmware_rec *firmware_rec;
d12b219a
JS		 757 const struct firmware *fw;
758 const char *fw_name = "edgeport/down3.bin";
1da177e4 759
2742fd88
AC		 760 /* In order to update the I2C firmware we must change the type 2 record
761 * to type 0xF2. This will force the UMP to come up in Boot Mode.
762 * Then while in boot mode, the driver will download the latest
763 * firmware (padded to 15.5k) into the UMP ram. And finally when the
764 * device comes back up in download mode the driver will cause the new
765 * firmware to be copied from the UMP Ram to I2C and the firmware will
766 * update the record type from 0xf2 to 0x02.
767 */
768
769 /* Allocate a 15.5k buffer + 2 bytes for version number
770 * (Firmware Record) */
771 buffer_size = (((1024 * 16) - 512 ) +
772 sizeof(struct ti_i2c_firmware_rec));
773
774 buffer = kmalloc(buffer_size, GFP_KERNEL);
1da177e4 775 if (!buffer) {
2742fd88 776 dev_err(dev, "%s - out of memory\n", __func__);
1da177e4
LT		 777 return -ENOMEM;
778 }
2742fd88 779
1da177e4 780 // Set entire image of 0xffs
2742fd88 781 memset(buffer, 0xff, buffer_size);
1da177e4 782
d12b219a
JS		 783 err = request_firmware(&fw, fw_name, dev);
784 if (err) {
d9bb03dc
GKH		 785 dev_err(dev, "Failed to load image \"%s\" err %d\n",
786 fw_name, err);
d12b219a
JS		 787 kfree(buffer);
788 return err;
789 }
790
791 /* Save Download Version Number */
792 OperationalMajorVersion = fw->data[0];
793 OperationalMinorVersion = fw->data[1];
794 OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8);
795
2742fd88 796 /* Copy version number into firmware record */
1da177e4
LT		 797 firmware_rec = (struct ti_i2c_firmware_rec *)buffer;
798
d12b219a
JS		 799 firmware_rec->Ver_Major = OperationalMajorVersion;
800 firmware_rec->Ver_Minor = OperationalMinorVersion;
1da177e4 801
2742fd88 802 /* Pointer to fw_down memory image */
d12b219a 803 img_header = (struct ti_i2c_image_header *)&fw->data[4];
1da177e4 804
2742fd88 805 memcpy(buffer + sizeof(struct ti_i2c_firmware_rec),
d12b219a 806 &fw->data[4 + sizeof(struct ti_i2c_image_header)],
1da177e4
LT		 807 le16_to_cpu(img_header->Length));
808
d12b219a
JS		 809 release_firmware(fw);
810
1da177e4
LT		 811 for (i=0; i < buffer_size; i++) {
812 cs = (__u8)(cs + buffer[i]);
813 }
814
2742fd88 815 kfree(buffer);
1da177e4 816
2742fd88 817 /* Build new header */
1da177e4
LT		 818 i2c_header = (struct ti_i2c_desc *)header;
819 firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data;
2742fd88 820
1da177e4
LT		 821 i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK;
822 i2c_header->Size = (__u16)buffer_size;
823 i2c_header->CheckSum = cs;
d12b219a
JS		 824 firmware_rec->Ver_Major = OperationalMajorVersion;
825 firmware_rec->Ver_Minor = OperationalMinorVersion;
1da177e4
LT		 826
827 return 0;
828}
829
830/* Try to figure out what type of I2c we have */
2742fd88 831static int i2c_type_bootmode(struct edgeport_serial *serial)
1da177e4 832{
67e6da70 833 struct device *dev = &serial->serial->dev->dev;
1da177e4 834 int status;
e9305d2f
JH		 835 u8 *data;
836
837 data = kmalloc(1, GFP_KERNEL);
838 if (!data) {
67e6da70 839 dev_err(dev, "%s - out of memory\n", __func__);
e9305d2f
JH		 840 return -ENOMEM;
841 }
2742fd88
AC		 842
843 /* Try to read type 2 */
844 status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
e9305d2f 845 DTK_ADDR_SPACE_I2C_TYPE_II, 0, data, 0x01);
1da177e4 846 if (status)
67e6da70 847 dev_dbg(dev, "%s - read 2 status error = %d\n", __func__, status);
1da177e4 848 else
67e6da70 849 dev_dbg(dev, "%s - read 2 data = 0x%x\n", __func__, *data);
e9305d2f 850 if ((!status) && (*data == UMP5152 || *data == UMP3410)) {
67e6da70 851 dev_dbg(dev, "%s - ROM_TYPE_II\n", __func__);
1da177e4 852 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
e9305d2f 853 goto out;
1da177e4
LT		 854 }
855
2742fd88
AC		 856 /* Try to read type 3 */
857 status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
e9305d2f 858 DTK_ADDR_SPACE_I2C_TYPE_III, 0, data, 0x01);
1da177e4 859 if (status)
67e6da70 860 dev_dbg(dev, "%s - read 3 status error = %d\n", __func__, status);
1da177e4 861 else
67e6da70 862 dev_dbg(dev, "%s - read 2 data = 0x%x\n", __func__, *data);
e9305d2f 863 if ((!status) && (*data == UMP5152 || *data == UMP3410)) {
67e6da70 864 dev_dbg(dev, "%s - ROM_TYPE_III\n", __func__);
1da177e4 865 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III;
e9305d2f 866 goto out;
1da177e4
LT		 867 }
868
67e6da70 869 dev_dbg(dev, "%s - Unknown\n", __func__);
1da177e4 870 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
e9305d2f
JH		 871 status = -ENODEV;
872out:
873 kfree(data);
874 return status;
1da177e4
LT		 875}
876
2742fd88
AC		 877static int bulk_xfer(struct usb_serial *serial, void *buffer,
878 int length, int *num_sent)
1da177e4
LT		 879{
880 int status;
881
2742fd88
AC		 882 status = usb_bulk_msg(serial->dev,
883 usb_sndbulkpipe(serial->dev,
884 serial->port[0]->bulk_out_endpointAddress),
885 buffer, length, num_sent, 1000);
1da177e4
LT		 886 return status;
887}
888
889/* Download given firmware image to the device (IN BOOT MODE) */
2742fd88
AC		 890static int download_code(struct edgeport_serial *serial, __u8 *image,
891 int image_length)
1da177e4
LT		 892{
893 int status = 0;
894 int pos;
895 int transfer;
896 int done;
897
2742fd88 898 /* Transfer firmware image */
1da177e4 899 for (pos = 0; pos < image_length; ) {
2742fd88 900 /* Read the next buffer from file */
1da177e4
LT		 901 transfer = image_length - pos;
902 if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE)
903 transfer = EDGE_FW_BULK_MAX_PACKET_SIZE;
904
2742fd88
AC		 905 /* Transfer data */
906 status = bulk_xfer(serial->serial, &image[pos],
907 transfer, &done);
1da177e4
LT		 908 if (status)
909 break;
2742fd88 910 /* Advance buffer pointer */
1da177e4
LT		 911 pos += done;
912 }
913
914 return status;
915}
916
2742fd88
AC		 917/* FIXME!!! */
918static int config_boot_dev(struct usb_device *dev)
1da177e4
LT		 919{
920 return 0;
921}
922
2742fd88
AC		 923static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc)
924{
925 return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev);
926}
927
1da177e4
LT		 928/**
929 * DownloadTIFirmware - Download run-time operating firmware to the TI5052
2742fd88 930 *
1da177e4
LT		 931 * This routine downloads the main operating code into the TI5052, using the
932 * boot code already burned into E2PROM or ROM.
933 */
2742fd88 934static int download_fw(struct edgeport_serial *serial)
1da177e4
LT		 935{
936 struct device *dev = &serial->serial->dev->dev;
937 int status = 0;
938 int start_address;
939 struct edge_ti_manuf_descriptor *ti_manuf_desc;
940 struct usb_interface_descriptor *interface;
941 int download_cur_ver;
942 int download_new_ver;
943
944 /* This routine is entered by both the BOOT mode and the Download mode
945 * We can determine which code is running by the reading the config
946 * descriptor and if we have only one bulk pipe it is in boot mode
947 */
948 serial->product_info.hardware_type = HARDWARE_TYPE_TIUMP;
949
950 /* Default to type 2 i2c */
951 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
952
2742fd88 953 status = choose_config(serial->serial->dev);
1da177e4
LT		 954 if (status)
955 return status;
956
957 interface = &serial->serial->interface->cur_altsetting->desc;
958 if (!interface) {
2742fd88 959 dev_err(dev, "%s - no interface set, error!\n", __func__);
1da177e4
LT		 960 return -ENODEV;
961 }
962
2742fd88
AC		 963 /*
964 * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING
965 * if we have more than one endpoint we are definitely in download
966 * mode
967 */
1da177e4
LT		 968 if (interface->bNumEndpoints > 1)
969 serial->product_info.TiMode = TI_MODE_DOWNLOAD;
970 else
2742fd88 971 /* Otherwise we will remain in configuring mode */
1da177e4
LT		 972 serial->product_info.TiMode = TI_MODE_CONFIGURING;
973
1da177e4
LT		 974 /********************************************************************/
975 /* Download Mode */
976 /********************************************************************/
977 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) {
978 struct ti_i2c_desc *rom_desc;
979
67e6da70 980 dev_dbg(dev, "%s - RUNNING IN DOWNLOAD MODE\n", __func__);
1da177e4 981
2742fd88 982 status = check_i2c_image(serial);
1da177e4 983 if (status) {
67e6da70 984 dev_dbg(dev, "%s - DOWNLOAD MODE -- BAD I2C\n", __func__);
1da177e4
LT		 985 return status;
986 }
2742fd88 987
1da177e4
LT		 988 /* Validate Hardware version number
989 * Read Manufacturing Descriptor from TI Based Edgeport
990 */
2742fd88 991 ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL);
1da177e4 992 if (!ti_manuf_desc) {
2742fd88 993 dev_err(dev, "%s - out of memory.\n", __func__);
1da177e4
LT		 994 return -ENOMEM;
995 }
2742fd88 996 status = get_manuf_info(serial, (__u8 *)ti_manuf_desc);
1da177e4 997 if (status) {
2742fd88 998 kfree(ti_manuf_desc);
1da177e4
LT		 999 return status;
1000 }
1001
2742fd88
AC		 1002 /* Check version number of ION descriptor */
1003 if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) {
67e6da70 1004 dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n",
2742fd88
AC		 1005 __func__, ti_cpu_rev(ti_manuf_desc));
1006 kfree(ti_manuf_desc);
1007 return -EINVAL;
1008 }
1da177e4 1009
2742fd88 1010 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
1da177e4 1011 if (!rom_desc) {
2742fd88
AC		 1012 dev_err(dev, "%s - out of memory.\n", __func__);
1013 kfree(ti_manuf_desc);
1da177e4
LT		 1014 return -ENOMEM;
1015 }
1016
2742fd88
AC		 1017 /* Search for type 2 record (firmware record) */
1018 start_address = get_descriptor_addr(serial,
1019 I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc);
1020 if (start_address != 0) {
1da177e4 1021 struct ti_i2c_firmware_rec *firmware_version;
e9305d2f 1022 u8 *record;
1da177e4 1023
67e6da70 1024 dev_dbg(dev, "%s - Found Type FIRMWARE (Type 2) record\n", __func__);
1da177e4 1025
2742fd88
AC		 1026 firmware_version = kmalloc(sizeof(*firmware_version),
1027 GFP_KERNEL);
1da177e4 1028 if (!firmware_version) {
2742fd88
AC		 1029 dev_err(dev, "%s - out of memory.\n", __func__);
1030 kfree(rom_desc);
1031 kfree(ti_manuf_desc);
1da177e4
LT		 1032 return -ENOMEM;
1033 }
1034
2742fd88
AC		 1035 /* Validate version number
1036 * Read the descriptor data
1037 */
1038 status = read_rom(serial, start_address +
1039 sizeof(struct ti_i2c_desc),
1da177e4
LT		 1040 sizeof(struct ti_i2c_firmware_rec),
1041 (__u8 *)firmware_version);
1042 if (status) {
2742fd88
AC		 1043 kfree(firmware_version);
1044 kfree(rom_desc);
1045 kfree(ti_manuf_desc);
1da177e4
LT		 1046 return status;
1047 }
1048
2742fd88
AC		 1049 /* Check version number of download with current
1050 version in I2c */
1051 download_cur_ver = (firmware_version->Ver_Major << 8) +
1da177e4 1052 (firmware_version->Ver_Minor);
d12b219a
JS		 1053 download_new_ver = (OperationalMajorVersion << 8) +
1054 (OperationalMinorVersion);
1da177e4 1055
67e6da70
GKH		 1056 dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n",
1057 __func__, firmware_version->Ver_Major,
1058 firmware_version->Ver_Minor,
1059 OperationalMajorVersion,
1060 OperationalMinorVersion);
1da177e4 1061
2742fd88
AC		 1062 /* Check if we have an old version in the I2C and
1063 update if necessary */
0827a9ff 1064 if (download_cur_ver < download_new_ver) {
67e6da70
GKH		 1065 dev_dbg(dev, "%s - Update I2C dld from %d.%d to %d.%d\n",
1066 __func__,
1067 firmware_version->Ver_Major,
1068 firmware_version->Ver_Minor,
1069 OperationalMajorVersion,
1070 OperationalMinorVersion);
2742fd88 1071
e9305d2f
JH		 1072 record = kmalloc(1, GFP_KERNEL);
1073 if (!record) {
1074 dev_err(dev, "%s - out of memory.\n",
1075 __func__);
1076 kfree(firmware_version);
1077 kfree(rom_desc);
1078 kfree(ti_manuf_desc);
1079 return -ENOMEM;
1080 }
2742fd88
AC		 1081 /* In order to update the I2C firmware we must
1082 * change the type 2 record to type 0xF2. This
1083 * will force the UMP to come up in Boot Mode.
1084 * Then while in boot mode, the driver will
1085 * download the latest firmware (padded to
1086 * 15.5k) into the UMP ram. Finally when the
1087 * device comes back up in download mode the
1088 * driver will cause the new firmware to be
1089 * copied from the UMP Ram to I2C and the
1090 * firmware will update the record type from
1091 * 0xf2 to 0x02.
1092 */
e9305d2f 1093 *record = I2C_DESC_TYPE_FIRMWARE_BLANK;
1da177e4 1094
2742fd88
AC		 1095 /* Change the I2C Firmware record type to
1096 0xf2 to trigger an update */
1097 status = write_rom(serial, start_address,
e9305d2f 1098 sizeof(*record), record);
1da177e4 1099 if (status) {
e9305d2f 1100 kfree(record);
2742fd88
AC		 1101 kfree(firmware_version);
1102 kfree(rom_desc);
1103 kfree(ti_manuf_desc);
1da177e4
LT		 1104 return status;
1105 }
1106
2742fd88
AC		 1107 /* verify the write -- must do this in order
1108 * for write to complete before we do the
1109 * hardware reset
1110 */
1111 status = read_rom(serial,
1da177e4 1112 start_address,
e9305d2f
JH		 1113 sizeof(*record),
1114 record);
1da177e4 1115 if (status) {
e9305d2f 1116 kfree(record);
2742fd88
AC		 1117 kfree(firmware_version);
1118 kfree(rom_desc);
1119 kfree(ti_manuf_desc);
1da177e4
LT		 1120 return status;
1121 }
1122
e9305d2f 1123 if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) {
67e6da70 1124 dev_err(dev, "%s - error resetting device\n", __func__);
e9305d2f 1125 kfree(record);
2742fd88
AC		 1126 kfree(firmware_version);
1127 kfree(rom_desc);
1128 kfree(ti_manuf_desc);
1da177e4
LT		 1129 return -ENODEV;
1130 }
1131
67e6da70 1132 dev_dbg(dev, "%s - HARDWARE RESET\n", __func__);
1da177e4 1133
2742fd88
AC		 1134 /* Reset UMP -- Back to BOOT MODE */
1135 status = ti_vsend_sync(serial->serial->dev,
1136 UMPC_HARDWARE_RESET,
1137 0, 0, NULL, 0);
1da177e4 1138
67e6da70 1139 dev_dbg(dev, "%s - HARDWARE RESET return %d\n", __func__, status);
1da177e4
LT		 1140
1141 /* return an error on purpose. */
e9305d2f 1142 kfree(record);
2742fd88
AC		 1143 kfree(firmware_version);
1144 kfree(rom_desc);
1145 kfree(ti_manuf_desc);
1da177e4
LT		 1146 return -ENODEV;
1147 }
2742fd88 1148 kfree(firmware_version);
1da177e4 1149 }
2742fd88
AC		 1150 /* Search for type 0xF2 record (firmware blank record) */
1151 else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) {
1152#define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \
1153 sizeof(struct ti_i2c_firmware_rec))
1da177e4
LT		 1154 __u8 *header;
1155 __u8 *vheader;
1156
2742fd88 1157 header = kmalloc(HEADER_SIZE, GFP_KERNEL);
1da177e4 1158 if (!header) {
2742fd88
AC		 1159 dev_err(dev, "%s - out of memory.\n", __func__);
1160 kfree(rom_desc);
1161 kfree(ti_manuf_desc);
1da177e4
LT		 1162 return -ENOMEM;
1163 }
2742fd88
AC		 1164
1165 vheader = kmalloc(HEADER_SIZE, GFP_KERNEL);
1da177e4 1166 if (!vheader) {
2742fd88
AC		 1167 dev_err(dev, "%s - out of memory.\n", __func__);
1168 kfree(header);
1169 kfree(rom_desc);
1170 kfree(ti_manuf_desc);
1da177e4
LT		 1171 return -ENOMEM;
1172 }
2742fd88 1173
67e6da70 1174 dev_dbg(dev, "%s - Found Type BLANK FIRMWARE (Type F2) record\n", __func__);
2742fd88
AC		 1175
1176 /*
1177 * In order to update the I2C firmware we must change
1178 * the type 2 record to type 0xF2. This will force the
1179 * UMP to come up in Boot Mode. Then while in boot
1180 * mode, the driver will download the latest firmware
1181 * (padded to 15.5k) into the UMP ram. Finally when the
1182 * device comes back up in download mode the driver
1183 * will cause the new firmware to be copied from the
1184 * UMP Ram to I2C and the firmware will update the
1185 * record type from 0xf2 to 0x02.
1186 */
1187 status = build_i2c_fw_hdr(header, dev);
1da177e4 1188 if (status) {
2742fd88
AC		 1189 kfree(vheader);
1190 kfree(header);
1191 kfree(rom_desc);
1192 kfree(ti_manuf_desc);
fd6e5bbb 1193 return -EINVAL;
1da177e4
LT		 1194 }
1195
2742fd88
AC		 1196 /* Update I2C with type 0xf2 record with correct
1197 size and checksum */
1198 status = write_rom(serial,
1da177e4
LT		 1199 start_address,
1200 HEADER_SIZE,
1201 header);
1202 if (status) {
2742fd88
AC		 1203 kfree(vheader);
1204 kfree(header);
1205 kfree(rom_desc);
1206 kfree(ti_manuf_desc);
9800eb33 1207 return -EINVAL;
1da177e4
LT		 1208 }
1209
2742fd88
AC		 1210 /* verify the write -- must do this in order for
1211 write to complete before we do the hardware reset */
1212 status = read_rom(serial, start_address,
1213 HEADER_SIZE, vheader);
1da177e4
LT		 1214
1215 if (status) {
67e6da70 1216 dev_dbg(dev, "%s - can't read header back\n", __func__);
2742fd88
AC		 1217 kfree(vheader);
1218 kfree(header);
1219 kfree(rom_desc);
1220 kfree(ti_manuf_desc);
1da177e4
LT		 1221 return status;
1222 }
1223 if (memcmp(vheader, header, HEADER_SIZE)) {
67e6da70 1224 dev_dbg(dev, "%s - write download record failed\n", __func__);
2742fd88
AC		 1225 kfree(vheader);
1226 kfree(header);
1227 kfree(rom_desc);
1228 kfree(ti_manuf_desc);
1e29709e 1229 return -EINVAL;
1da177e4
LT		 1230 }
1231
2742fd88
AC		 1232 kfree(vheader);
1233 kfree(header);
1da177e4 1234
67e6da70 1235 dev_dbg(dev, "%s - Start firmware update\n", __func__);
1da177e4 1236
2742fd88
AC		 1237 /* Tell firmware to copy download image into I2C */
1238 status = ti_vsend_sync(serial->serial->dev,
1239 UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0);
1da177e4 1240
67e6da70 1241 dev_dbg(dev, "%s - Update complete 0x%x\n", __func__, status);
1da177e4 1242 if (status) {
2742fd88
AC		 1243 dev_err(dev,
1244 "%s - UMPC_COPY_DNLD_TO_I2C failed\n",
1245 __func__);
1246 kfree(rom_desc);
1247 kfree(ti_manuf_desc);
1da177e4
LT		 1248 return status;
1249 }
1250 }
1251
1252 // The device is running the download code
2742fd88
AC		 1253 kfree(rom_desc);
1254 kfree(ti_manuf_desc);
1da177e4
LT		 1255 return 0;
1256 }
1257
1258 /********************************************************************/
1259 /* Boot Mode */
1260 /********************************************************************/
67e6da70 1261 dev_dbg(dev, "%s - RUNNING IN BOOT MODE\n", __func__);
1da177e4 1262
2742fd88
AC		 1263 /* Configure the TI device so we can use the BULK pipes for download */
1264 status = config_boot_dev(serial->serial->dev);
1da177e4
LT		 1265 if (status)
1266 return status;
1267
2742fd88
AC		 1268 if (le16_to_cpu(serial->serial->dev->descriptor.idVendor)
1269 != USB_VENDOR_ID_ION) {
67e6da70
GKH		 1270 dev_dbg(dev, "%s - VID = 0x%x\n", __func__,
1271 le16_to_cpu(serial->serial->dev->descriptor.idVendor));
1da177e4 1272 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
2742fd88 1273 goto stayinbootmode;
1da177e4
LT		 1274 }
1275
2742fd88
AC		 1276 /* We have an ION device (I2c Must be programmed)
1277 Determine I2C image type */
1278 if (i2c_type_bootmode(serial))
1279 goto stayinbootmode;
1da177e4 1280
2742fd88
AC		 1281 /* Check for ION Vendor ID and that the I2C is valid */
1282 if (!check_i2c_image(serial)) {
1da177e4
LT		 1283 struct ti_i2c_image_header *header;
1284 int i;
1285 __u8 cs = 0;
1286 __u8 *buffer;
1287 int buffer_size;
d12b219a
JS		 1288 int err;
1289 const struct firmware *fw;
1290 const char *fw_name = "edgeport/down3.bin";
1da177e4
LT		 1291
1292 /* Validate Hardware version number
1293 * Read Manufacturing Descriptor from TI Based Edgeport
1294 */
2742fd88 1295 ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL);
1da177e4 1296 if (!ti_manuf_desc) {
2742fd88 1297 dev_err(dev, "%s - out of memory.\n", __func__);
1da177e4
LT		 1298 return -ENOMEM;
1299 }
2742fd88 1300 status = get_manuf_info(serial, (__u8 *)ti_manuf_desc);
1da177e4 1301 if (status) {
2742fd88
AC		 1302 kfree(ti_manuf_desc);
1303 goto stayinbootmode;
1da177e4
LT		 1304 }
1305
2742fd88
AC		 1306 /* Check for version 2 */
1307 if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) {
67e6da70
GKH		 1308 dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n",
1309 __func__, ti_cpu_rev(ti_manuf_desc));
2742fd88
AC		 1310 kfree(ti_manuf_desc);
1311 goto stayinbootmode;
1da177e4
LT		 1312 }
1313
2742fd88 1314 kfree(ti_manuf_desc);
1da177e4 1315
1da177e4 1316 /*
2742fd88
AC		 1317 * In order to update the I2C firmware we must change the type
1318 * 2 record to type 0xF2. This will force the UMP to come up
1319 * in Boot Mode. Then while in boot mode, the driver will
1320 * download the latest firmware (padded to 15.5k) into the
1321 * UMP ram. Finally when the device comes back up in download
1322 * mode the driver will cause the new firmware to be copied
1323 * from the UMP Ram to I2C and the firmware will update the
1324 * record type from 0xf2 to 0x02.
1325 *
1da177e4
LT		 1326 * Do we really have to copy the whole firmware image,
1327 * or could we do this in place!
1328 */
1329
2742fd88
AC		 1330 /* Allocate a 15.5k buffer + 3 byte header */
1331 buffer_size = (((1024 * 16) - 512) +
1332 sizeof(struct ti_i2c_image_header));
1333 buffer = kmalloc(buffer_size, GFP_KERNEL);
1da177e4 1334 if (!buffer) {
2742fd88 1335 dev_err(dev, "%s - out of memory\n", __func__);
1da177e4
LT		 1336 return -ENOMEM;
1337 }
2742fd88
AC		 1338
1339 /* Initialize the buffer to 0xff (pad the buffer) */
1340 memset(buffer, 0xff, buffer_size);
1da177e4 1341
d12b219a
JS		 1342 err = request_firmware(&fw, fw_name, dev);
1343 if (err) {
d9bb03dc
GKH		 1344 dev_err(dev, "Failed to load image \"%s\" err %d\n",
1345 fw_name, err);
d12b219a
JS		 1346 kfree(buffer);
1347 return err;
1348 }
1349 memcpy(buffer, &fw->data[4], fw->size - 4);
1350 release_firmware(fw);
1da177e4 1351
2742fd88
AC		 1352 for (i = sizeof(struct ti_i2c_image_header);
1353 i < buffer_size; i++) {
1da177e4
LT		 1354 cs = (__u8)(cs + buffer[i]);
1355 }
2742fd88 1356
1da177e4 1357 header = (struct ti_i2c_image_header *)buffer;
2742fd88
AC		 1358
1359 /* update length and checksum after padding */
1360 header->Length = cpu_to_le16((__u16)(buffer_size -
1361 sizeof(struct ti_i2c_image_header)));
1da177e4
LT		 1362 header->CheckSum = cs;
1363
2742fd88 1364 /* Download the operational code */
67e6da70 1365 dev_dbg(dev, "%s - Downloading operational code image (TI UMP)\n", __func__);
2742fd88 1366 status = download_code(serial, buffer, buffer_size);
1da177e4 1367
2742fd88 1368 kfree(buffer);
1da177e4
LT		 1369
1370 if (status) {
67e6da70 1371 dev_dbg(dev, "%s - Error downloading operational code image\n", __func__);
1da177e4
LT		 1372 return status;
1373 }
1374
2742fd88 1375 /* Device will reboot */
1da177e4
LT		 1376 serial->product_info.TiMode = TI_MODE_TRANSITIONING;
1377
67e6da70 1378 dev_dbg(dev, "%s - Download successful -- Device rebooting...\n", __func__);
1da177e4
LT		 1379
1380 /* return an error on purpose */
1381 return -ENODEV;
1382 }
1383
2742fd88
AC		 1384stayinbootmode:
1385 /* Eprom is invalid or blank stay in boot mode */
67e6da70 1386 dev_dbg(dev, "%s - STAYING IN BOOT MODE\n", __func__);
1da177e4
LT		 1387 serial->product_info.TiMode = TI_MODE_BOOT;
1388
1389 return 0;
1390}
1391
1392
2742fd88 1393static int ti_do_config(struct edgeport_port *port, int feature, int on)
1da177e4
LT		 1394{
1395 int port_number = port->port->number - port->port->serial->minor;
2742fd88
AC		 1396 on = !!on; /* 1 or 0 not bitmask */
1397 return send_cmd(port->port->serial->dev,
1398 feature, (__u8)(UMPM_UART1_PORT + port_number),
1399 on, NULL, 0);
1da177e4
LT		 1400}
1401
1da177e4 1402
2742fd88 1403static int restore_mcr(struct edgeport_port *port, __u8 mcr)
1da177e4
LT		 1404{
1405 int status = 0;
1406
67e6da70 1407 dev_dbg(&port->port->dev, "%s - %x\n", __func__, mcr);
1da177e4 1408
2742fd88 1409 status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR);
1da177e4
LT		 1410 if (status)
1411 return status;
2742fd88 1412 status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS);
1da177e4
LT		 1413 if (status)
1414 return status;
2742fd88 1415 return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK);
1da177e4
LT		 1416}
1417
1da177e4 1418/* Convert TI LSR to standard UART flags */
2742fd88 1419static __u8 map_line_status(__u8 ti_lsr)
1da177e4
LT		 1420{
1421 __u8 lsr = 0;
1422
1423#define MAP_FLAG(flagUmp, flagUart) \
1424 if (ti_lsr & flagUmp) \
1425 lsr |= flagUart;
1426
1427 MAP_FLAG(UMP_UART_LSR_OV_MASK, LSR_OVER_ERR) /* overrun */
1428 MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */
1429 MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */
1430 MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */
2742fd88
AC		 1431 MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */
1432 MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */
1da177e4
LT		 1433
1434#undef MAP_FLAG
1435
1436 return lsr;
1437}
1438
2742fd88 1439static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
1da177e4
LT		 1440{
1441 struct async_icount *icount;
1442 struct tty_struct *tty;
1443
67e6da70 1444 dev_dbg(&edge_port->port->dev, "%s - %02x\n", __func__, msr);
1da177e4 1445
2742fd88
AC		 1446 if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR |
1447 EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) {
cf9a9d66 1448 icount = &edge_port->port->icount;
1da177e4
LT		 1449
1450 /* update input line counters */
1451 if (msr & EDGEPORT_MSR_DELTA_CTS)
1452 icount->cts++;
1453 if (msr & EDGEPORT_MSR_DELTA_DSR)
1454 icount->dsr++;
1455 if (msr & EDGEPORT_MSR_DELTA_CD)
1456 icount->dcd++;
1457 if (msr & EDGEPORT_MSR_DELTA_RI)
1458 icount->rng++;
48ee5801 1459 wake_up_interruptible(&edge_port->port->port.delta_msr_wait);
1da177e4
LT		 1460 }
1461
1462 /* Save the new modem status */
1463 edge_port->shadow_msr = msr & 0xf0;
1464
4a90f09b 1465 tty = tty_port_tty_get(&edge_port->port->port);
1da177e4
LT		 1466 /* handle CTS flow control */
1467 if (tty && C_CRTSCTS(tty)) {
1468 if (msr & EDGEPORT_MSR_CTS) {
1469 tty->hw_stopped = 0;
1470 tty_wakeup(tty);
1471 } else {
1472 tty->hw_stopped = 1;
1473 }
1474 }
4a90f09b 1475 tty_kref_put(tty);
1da177e4
LT		 1476}
1477
2742fd88
AC		 1478static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
1479 __u8 lsr, __u8 data)
1da177e4
LT		 1480{
1481 struct async_icount *icount;
2742fd88
AC		 1482 __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR |
1483 LSR_FRM_ERR | LSR_BREAK));
1da177e4 1484
67e6da70 1485 dev_dbg(&edge_port->port->dev, "%s - %02x\n", __func__, new_lsr);
1da177e4
LT		 1486
1487 edge_port->shadow_lsr = lsr;
1488
2742fd88 1489 if (new_lsr & LSR_BREAK)
1da177e4
LT		 1490 /*
1491 * Parity and Framing errors only count if they
1492 * occur exclusive of a break being received.
1493 */
1494 new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK);
1da177e4
LT		 1495
1496 /* Place LSR data byte into Rx buffer */
2e124b4a
JS		 1497 if (lsr_data)
1498 edge_tty_recv(edge_port->port, &data, 1);
1da177e4
LT		 1499
1500 /* update input line counters */
cf9a9d66 1501 icount = &edge_port->port->icount;
1da177e4
LT		 1502 if (new_lsr & LSR_BREAK)
1503 icount->brk++;
1504 if (new_lsr & LSR_OVER_ERR)
1505 icount->overrun++;
1506 if (new_lsr & LSR_PAR_ERR)
1507 icount->parity++;
1508 if (new_lsr & LSR_FRM_ERR)
1509 icount->frame++;
1510}
1511
1512
2742fd88 1513static void edge_interrupt_callback(struct urb *urb)
1da177e4 1514{
cdc97792 1515 struct edgeport_serial *edge_serial = urb->context;
1da177e4
LT		 1516 struct usb_serial_port *port;
1517 struct edgeport_port *edge_port;
67e6da70 1518 struct device *dev;
1da177e4
LT		 1519 unsigned char *data = urb->transfer_buffer;
1520 int length = urb->actual_length;
1521 int port_number;
1522 int function;
ee337c21 1523 int retval;
1da177e4
LT		 1524 __u8 lsr;
1525 __u8 msr;
ee337c21 1526 int status = urb->status;
1da177e4 1527
ee337c21 1528 switch (status) {
1da177e4
LT		 1529 case 0:
1530 /* success */
1531 break;
1532 case -ECONNRESET:
1533 case -ENOENT:
1534 case -ESHUTDOWN:
1535 /* this urb is terminated, clean up */
67e6da70 1536 dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n",
441b62c1 1537 __func__, status);
1da177e4
LT		 1538 return;
1539 default:
ee337c21 1540 dev_err(&urb->dev->dev, "%s - nonzero urb status received: "
441b62c1 1541 "%d\n", __func__, status);
1da177e4
LT		 1542 goto exit;
1543 }
1544
1545 if (!length) {
67e6da70 1546 dev_dbg(&urb->dev->dev, "%s - no data in urb\n", __func__);
1da177e4
LT		 1547 goto exit;
1548 }
2742fd88 1549
67e6da70 1550 dev = &edge_serial->serial->dev->dev;
59d33f2f 1551 usb_serial_debug_data(dev, __func__, length, data);
2742fd88 1552
1da177e4 1553 if (length != 2) {
67e6da70 1554 dev_dbg(dev, "%s - expecting packet of size 2, got %d\n", __func__, length);
1da177e4
LT		 1555 goto exit;
1556 }
1557
2742fd88
AC		 1558 port_number = TIUMP_GET_PORT_FROM_CODE(data[0]);
1559 function = TIUMP_GET_FUNC_FROM_CODE(data[0]);
67e6da70
GKH		 1560 dev_dbg(dev, "%s - port_number %d, function %d, info 0x%x\n", __func__,
1561 port_number, function, data[1]);
1da177e4
LT		 1562 port = edge_serial->serial->port[port_number];
1563 edge_port = usb_get_serial_port_data(port);
1564 if (!edge_port) {
67e6da70 1565 dev_dbg(dev, "%s - edge_port not found\n", __func__);
1da177e4
LT		 1566 return;
1567 }
1568 switch (function) {
1569 case TIUMP_INTERRUPT_CODE_LSR:
2742fd88 1570 lsr = map_line_status(data[1]);
1da177e4 1571 if (lsr & UMP_UART_LSR_DATA_MASK) {
2742fd88
AC		 1572 /* Save the LSR event for bulk read
1573 completion routine */
67e6da70
GKH		 1574 dev_dbg(dev, "%s - LSR Event Port %u LSR Status = %02x\n",
1575 __func__, port_number, lsr);
1da177e4
LT		 1576 edge_port->lsr_event = 1;
1577 edge_port->lsr_mask = lsr;
1578 } else {
67e6da70
GKH		 1579 dev_dbg(dev, "%s - ===== Port %d LSR Status = %02x ======\n",
1580 __func__, port_number, lsr);
2742fd88 1581 handle_new_lsr(edge_port, 0, lsr, 0);
1da177e4
LT		 1582 }
1583 break;
1584
2742fd88 1585 case TIUMP_INTERRUPT_CODE_MSR: /* MSR */
1da177e4
LT		 1586 /* Copy MSR from UMP */
1587 msr = data[1];
67e6da70
GKH		 1588 dev_dbg(dev, "%s - ===== Port %u MSR Status = %02x ======\n",
1589 __func__, port_number, msr);
2742fd88 1590 handle_new_msr(edge_port, msr);
1da177e4
LT		 1591 break;
1592
1593 default:
2742fd88
AC		 1594 dev_err(&urb->dev->dev,
1595 "%s - Unknown Interrupt code from UMP %x\n",
1596 __func__, data[1]);
1da177e4 1597 break;
2742fd88 1598
1da177e4
LT		 1599 }
1600
1601exit:
2742fd88 1602 retval = usb_submit_urb(urb, GFP_ATOMIC);
ee337c21 1603 if (retval)
2742fd88
AC		 1604 dev_err(&urb->dev->dev,
1605 "%s - usb_submit_urb failed with result %d\n",
441b62c1 1606 __func__, retval);
1da177e4
LT		 1607}
1608
2742fd88 1609static void edge_bulk_in_callback(struct urb *urb)
1da177e4 1610{
cdc97792 1611 struct edgeport_port *edge_port = urb->context;
67e6da70 1612 struct device *dev = &edge_port->port->dev;
1da177e4 1613 unsigned char *data = urb->transfer_buffer;
ee337c21 1614 int retval = 0;
1da177e4 1615 int port_number;
ee337c21 1616 int status = urb->status;
1da177e4 1617
ee337c21 1618 switch (status) {
1da177e4
LT		 1619 case 0:
1620 /* success */
1621 break;
1622 case -ECONNRESET:
1623 case -ENOENT:
1624 case -ESHUTDOWN:
1625 /* this urb is terminated, clean up */
67e6da70 1626 dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", __func__, status);
1da177e4
LT		 1627 return;
1628 default:
67e6da70 1629 dev_err(&urb->dev->dev, "%s - nonzero read bulk status received: %d\n", __func__, status);
1da177e4
LT		 1630 }
1631
ee337c21 1632 if (status == -EPIPE)
1da177e4
LT		 1633 goto exit;
1634
ee337c21 1635 if (status) {
2742fd88 1636 dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__);
1da177e4
LT		 1637 return;
1638 }
1639
1640 port_number = edge_port->port->number - edge_port->port->serial->minor;
1641
1642 if (edge_port->lsr_event) {
1643 edge_port->lsr_event = 0;
67e6da70
GKH		 1644 dev_dbg(dev, "%s ===== Port %u LSR Status = %02x, Data = %02x ======\n",
1645 __func__, port_number, edge_port->lsr_mask, *data);
2742fd88 1646 handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data);
1da177e4
LT		 1647 /* Adjust buffer length/pointer */
1648 --urb->actual_length;
1649 ++data;
1650 }
1651
2e124b4a 1652 if (urb->actual_length) {
59d33f2f 1653 usb_serial_debug_data(dev, __func__, urb->actual_length, data);
2742fd88 1654 if (edge_port->close_pending)
67e6da70 1655 dev_dbg(dev, "%s - close pending, dropping data on the floor\n",
2742fd88
AC		 1656 __func__);
1657 else
2e124b4a 1658 edge_tty_recv(edge_port->port, data,
05c7cd39 1659 urb->actual_length);
cf9a9d66 1660 edge_port->port->icount.rx += urb->actual_length;
1da177e4
LT		 1661 }
1662
1663exit:
1664 /* continue read unless stopped */
1665 spin_lock(&edge_port->ep_lock);
5833041f 1666 if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING)
ee337c21 1667 retval = usb_submit_urb(urb, GFP_ATOMIC);
5833041f 1668 else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING)
1da177e4 1669 edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED;
5833041f 1670
1da177e4 1671 spin_unlock(&edge_port->ep_lock);
ee337c21 1672 if (retval)
67e6da70 1673 dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, retval);
1da177e4
LT		 1674}
1675
2e124b4a
JS		 1676static void edge_tty_recv(struct usb_serial_port *port, unsigned char *data,
1677 int length)
1da177e4 1678{
2742fd88 1679 int queued;
1da177e4 1680
05c7cd39 1681 queued = tty_insert_flip_string(&port->port, data, length);
2742fd88 1682 if (queued < length)
05c7cd39 1683 dev_err(&port->dev, "%s - dropping data, %d bytes lost\n",
2742fd88 1684 __func__, length - queued);
2e124b4a 1685 tty_flip_buffer_push(&port->port);
1da177e4
LT		 1686}
1687
2742fd88 1688static void edge_bulk_out_callback(struct urb *urb)
1da177e4 1689{
cdc97792 1690 struct usb_serial_port *port = urb->context;
1da177e4 1691 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
ee337c21 1692 int status = urb->status;
4a90f09b 1693 struct tty_struct *tty;
1da177e4 1694
1da177e4
LT		 1695 edge_port->ep_write_urb_in_use = 0;
1696
ee337c21 1697 switch (status) {
1da177e4
LT		 1698 case 0:
1699 /* success */
1700 break;
1701 case -ECONNRESET:
1702 case -ENOENT:
1703 case -ESHUTDOWN:
1704 /* this urb is terminated, clean up */
67e6da70 1705 dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n",
441b62c1 1706 __func__, status);
1da177e4
LT		 1707 return;
1708 default:
22a416c4 1709 dev_err_console(port, "%s - nonzero write bulk status "
441b62c1 1710 "received: %d\n", __func__, status);
1da177e4
LT		 1711 }
1712
1713 /* send any buffered data */
4a90f09b
AC		 1714 tty = tty_port_tty_get(&port->port);
1715 edge_send(tty);
1716 tty_kref_put(tty);
1da177e4
LT		 1717}
1718
a509a7e4 1719static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
1da177e4
LT		 1720{
1721 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1722 struct edgeport_serial *edge_serial;
1723 struct usb_device *dev;
1724 struct urb *urb;
1725 int port_number;
1726 int status;
1727 u16 open_settings;
1728 u8 transaction_timeout;
1729
1da177e4
LT		 1730 if (edge_port == NULL)
1731 return -ENODEV;
1732
1da177e4
LT		 1733 port_number = port->number - port->serial->minor;
1734 switch (port_number) {
2742fd88
AC		 1735 case 0:
1736 edge_port->uart_base = UMPMEM_BASE_UART1;
1737 edge_port->dma_address = UMPD_OEDB1_ADDRESS;
1738 break;
1739 case 1:
1740 edge_port->uart_base = UMPMEM_BASE_UART2;
1741 edge_port->dma_address = UMPD_OEDB2_ADDRESS;
1742 break;
1743 default:
1744 dev_err(&port->dev, "Unknown port number!!!\n");
1745 return -ENODEV;
1da177e4
LT		 1746 }
1747
67e6da70
GKH		 1748 dev_dbg(&port->dev, "%s - port_number = %d, uart_base = %04x, dma_address = %04x\n",
1749 __func__, port_number, edge_port->uart_base, edge_port->dma_address);
1da177e4
LT		 1750
1751 dev = port->serial->dev;
1752
1da177e4 1753 /* turn off loopback */
2742fd88 1754 status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0);
1da177e4 1755 if (status) {
2742fd88
AC		 1756 dev_err(&port->dev,
1757 "%s - cannot send clear loopback command, %d\n",
441b62c1 1758 __func__, status);
1da177e4
LT		 1759 return status;
1760 }
2742fd88 1761
1da177e4 1762 /* set up the port settings */
95da310e 1763 if (tty)
adc8d746 1764 edge_set_termios(tty, port, &tty->termios);
1da177e4
LT		 1765
1766 /* open up the port */
1767
1768 /* milliseconds to timeout for DMA transfer */
1769 transaction_timeout = 2;
1770
2742fd88
AC		 1771 edge_port->ump_read_timeout =
1772 max(20, ((transaction_timeout * 3) / 2));
1da177e4 1773
2742fd88
AC		 1774 /* milliseconds to timeout for DMA transfer */
1775 open_settings = (u8)(UMP_DMA_MODE_CONTINOUS |
1776 UMP_PIPE_TRANS_TIMEOUT_ENA |
1da177e4
LT		 1777 (transaction_timeout << 2));
1778
67e6da70 1779 dev_dbg(&port->dev, "%s - Sending UMPC_OPEN_PORT\n", __func__);
1da177e4
LT		 1780
1781 /* Tell TI to open and start the port */
2742fd88
AC		 1782 status = send_cmd(dev, UMPC_OPEN_PORT,
1783 (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0);
1da177e4 1784 if (status) {
2742fd88
AC		 1785 dev_err(&port->dev, "%s - cannot send open command, %d\n",
1786 __func__, status);
1da177e4
LT		 1787 return status;
1788 }
1789
1790 /* Start the DMA? */
2742fd88
AC		 1791 status = send_cmd(dev, UMPC_START_PORT,
1792 (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0);
1da177e4 1793 if (status) {
2742fd88
AC		 1794 dev_err(&port->dev, "%s - cannot send start DMA command, %d\n",
1795 __func__, status);
1da177e4
LT		 1796 return status;
1797 }
1798
1799 /* Clear TX and RX buffers in UMP */
2742fd88 1800 status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN);
1da177e4 1801 if (status) {
2742fd88
AC		 1802 dev_err(&port->dev,
1803 "%s - cannot send clear buffers command, %d\n",
1804 __func__, status);
1da177e4
LT		 1805 return status;
1806 }
1807
1808 /* Read Initial MSR */
2742fd88
AC		 1809 status = ti_vread_sync(dev, UMPC_READ_MSR, 0,
1810 (__u16)(UMPM_UART1_PORT + port_number),
1811 &edge_port->shadow_msr, 1);
1da177e4 1812 if (status) {
2742fd88
AC		 1813 dev_err(&port->dev, "%s - cannot send read MSR command, %d\n",
1814 __func__, status);
1da177e4
LT		 1815 return status;
1816 }
1817
67e6da70 1818 dev_dbg(&port->dev, "ShadowMSR 0x%X\n", edge_port->shadow_msr);
2742fd88 1819
1da177e4
LT		 1820 /* Set Initial MCR */
1821 edge_port->shadow_mcr = MCR_RTS | MCR_DTR;
67e6da70 1822 dev_dbg(&port->dev, "ShadowMCR 0x%X\n", edge_port->shadow_mcr);
1da177e4
LT		 1823
1824 edge_serial = edge_port->edge_serial;
241ca64f 1825 if (mutex_lock_interruptible(&edge_serial->es_lock))
1da177e4
LT		 1826 return -ERESTARTSYS;
1827 if (edge_serial->num_ports_open == 0) {
2742fd88 1828 /* we are the first port to open, post the interrupt urb */
1da177e4
LT		 1829 urb = edge_serial->serial->port[0]->interrupt_in_urb;
1830 if (!urb) {
2742fd88
AC		 1831 dev_err(&port->dev,
1832 "%s - no interrupt urb present, exiting\n",
1833 __func__);
1da177e4 1834 status = -EINVAL;
241ca64f 1835 goto release_es_lock;
1da177e4 1836 }
1da177e4 1837 urb->context = edge_serial;
2742fd88 1838 status = usb_submit_urb(urb, GFP_KERNEL);
1da177e4 1839 if (status) {
2742fd88
AC		 1840 dev_err(&port->dev,
1841 "%s - usb_submit_urb failed with value %d\n",
1842 __func__, status);
241ca64f 1843 goto release_es_lock;
1da177e4
LT		 1844 }
1845 }
1846
1847 /*
1848 * reset the data toggle on the bulk endpoints to work around bug in
1849 * host controllers where things get out of sync some times
1850 */
2742fd88
AC		 1851 usb_clear_halt(dev, port->write_urb->pipe);
1852 usb_clear_halt(dev, port->read_urb->pipe);
1da177e4
LT		 1853
1854 /* start up our bulk read urb */
1855 urb = port->read_urb;
1856 if (!urb) {
2742fd88
AC		 1857 dev_err(&port->dev, "%s - no read urb present, exiting\n",
1858 __func__);
1da177e4
LT		 1859 status = -EINVAL;
1860 goto unlink_int_urb;
1861 }
1862 edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING;
1da177e4 1863 urb->context = edge_port;
2742fd88 1864 status = usb_submit_urb(urb, GFP_KERNEL);
1da177e4 1865 if (status) {
2742fd88
AC		 1866 dev_err(&port->dev,
1867 "%s - read bulk usb_submit_urb failed with value %d\n",
1868 __func__, status);
1da177e4
LT		 1869 goto unlink_int_urb;
1870 }
1871
1872 ++edge_serial->num_ports_open;
1873
fcdb6a21
JH		 1874 port->port.drain_delay = 1;
1875
241ca64f 1876 goto release_es_lock;
1da177e4
LT		 1877
1878unlink_int_urb:
1879 if (edge_port->edge_serial->num_ports_open == 0)
1880 usb_kill_urb(port->serial->port[0]->interrupt_in_urb);
241ca64f
MK		 1881release_es_lock:
1882 mutex_unlock(&edge_serial->es_lock);
1da177e4
LT		 1883 return status;
1884}
1885
335f8514 1886static void edge_close(struct usb_serial_port *port)
1da177e4
LT		 1887{
1888 struct edgeport_serial *edge_serial;
1889 struct edgeport_port *edge_port;
af581059 1890 struct usb_serial *serial = port->serial;
77de2518 1891 unsigned long flags;
1da177e4 1892 int port_number;
1da177e4 1893
1da177e4
LT		 1894 edge_serial = usb_get_serial_data(port->serial);
1895 edge_port = usb_get_serial_port_data(port);
2742fd88 1896 if (edge_serial == NULL || edge_port == NULL)
1da177e4 1897 return;
2742fd88
AC		 1898
1899 /* The bulkreadcompletion routine will check
1da177e4
LT		 1900 * this flag and dump add read data */
1901 edge_port->close_pending = 1;
1902
1da177e4
LT		 1903 usb_kill_urb(port->read_urb);
1904 usb_kill_urb(port->write_urb);
1905 edge_port->ep_write_urb_in_use = 0;
77de2518
JH		 1906 spin_lock_irqsave(&edge_port->ep_lock, flags);
1907 kfifo_reset_out(&edge_port->write_fifo);
1908 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1da177e4 1909
67e6da70 1910 dev_dbg(&port->dev, "%s - send umpc_close_port\n", __func__);
1da177e4 1911 port_number = port->number - port->serial->minor;
bca87e9e
JH		 1912 send_cmd(serial->dev, UMPC_CLOSE_PORT,
1913 (__u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0);
af581059 1914
241ca64f 1915 mutex_lock(&edge_serial->es_lock);
1da177e4
LT		 1916 --edge_port->edge_serial->num_ports_open;
1917 if (edge_port->edge_serial->num_ports_open <= 0) {
1918 /* last port is now closed, let's shut down our interrupt urb */
1919 usb_kill_urb(port->serial->port[0]->interrupt_in_urb);
1920 edge_port->edge_serial->num_ports_open = 0;
1921 }
241ca64f 1922 mutex_unlock(&edge_serial->es_lock);
1da177e4 1923 edge_port->close_pending = 0;
1da177e4
LT		 1924}
1925
95da310e
AC		 1926static int edge_write(struct tty_struct *tty, struct usb_serial_port *port,
1927 const unsigned char *data, int count)
1da177e4
LT		 1928{
1929 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1da177e4 1930
1da177e4 1931 if (count == 0) {
67e6da70 1932 dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__);
1da177e4
LT		 1933 return 0;
1934 }
1935
1936 if (edge_port == NULL)
1937 return -ENODEV;
1938 if (edge_port->close_pending == 1)
1939 return -ENODEV;
1940
d733cec1
JH		 1941 count = kfifo_in_locked(&edge_port->write_fifo, data, count,
1942 &edge_port->ep_lock);
95da310e 1943 edge_send(tty);
1da177e4
LT		 1944
1945 return count;
1946}
1947
95da310e 1948static void edge_send(struct tty_struct *tty)
1da177e4 1949{
95da310e 1950 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 1951 int count, result;
1952 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1da177e4
LT		 1953 unsigned long flags;
1954
1da177e4
LT		 1955 spin_lock_irqsave(&edge_port->ep_lock, flags);
1956
1957 if (edge_port->ep_write_urb_in_use) {
1958 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1959 return;
1960 }
1961
d733cec1 1962 count = kfifo_out(&edge_port->write_fifo,
1da177e4
LT		 1963 port->write_urb->transfer_buffer,
1964 port->bulk_out_size);
1965
1966 if (count == 0) {
1967 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1968 return;
1969 }
1970
1971 edge_port->ep_write_urb_in_use = 1;
1972
1973 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1974
59d33f2f 1975 usb_serial_debug_data(&port->dev, __func__, count, port->write_urb->transfer_buffer);
1da177e4
LT		 1976
1977 /* set up our urb */
fd11961a 1978 port->write_urb->transfer_buffer_length = count;
1da177e4
LT		 1979
1980 /* send the data out the bulk port */
1981 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
1982 if (result) {
22a416c4 1983 dev_err_console(port,
2742fd88
AC		 1984 "%s - failed submitting write urb, error %d\n",
1985 __func__, result);
1da177e4 1986 edge_port->ep_write_urb_in_use = 0;
2742fd88
AC		 1987 /* TODO: reschedule edge_send */
1988 } else
cf9a9d66 1989 edge_port->port->icount.tx += count;
1da177e4
LT		 1990
1991 /* wakeup any process waiting for writes to complete */
1992 /* there is now more room in the buffer for new writes */
2742fd88 1993 if (tty)
1da177e4 1994 tty_wakeup(tty);
1da177e4
LT		 1995}
1996
95da310e 1997static int edge_write_room(struct tty_struct *tty)
1da177e4 1998{
95da310e 1999 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 2000 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2001 int room = 0;
2002 unsigned long flags;
2003
1da177e4 2004 if (edge_port == NULL)
2742fd88 2005 return 0;
1da177e4 2006 if (edge_port->close_pending == 1)
2742fd88 2007 return 0;
1da177e4
LT		 2008
2009 spin_lock_irqsave(&edge_port->ep_lock, flags);
d733cec1 2010 room = kfifo_avail(&edge_port->write_fifo);
1da177e4
LT		 2011 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2012
67e6da70 2013 dev_dbg(&port->dev, "%s - returns %d\n", __func__, room);
1da177e4
LT		 2014 return room;
2015}
2016
95da310e 2017static int edge_chars_in_buffer(struct tty_struct *tty)
1da177e4 2018{
95da310e 2019 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 2020 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2021 int chars = 0;
2022 unsigned long flags;
263e1f9f 2023 int ret;
1da177e4 2024
1da177e4 2025 if (edge_port == NULL)
2742fd88 2026 return 0;
1da177e4
LT		 2027
2028 spin_lock_irqsave(&edge_port->ep_lock, flags);
d733cec1 2029 chars = kfifo_len(&edge_port->write_fifo);
1da177e4
LT		 2030 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2031
263e1f9f
JH		 2032 if (!chars) {
2033 ret = tx_active(edge_port);
2034 if (ret > 0)
2035 chars = ret;
2036 }
2037
67e6da70 2038 dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars);
1da177e4
LT		 2039 return chars;
2040}
2041
95da310e 2042static void edge_throttle(struct tty_struct *tty)
1da177e4 2043{
95da310e 2044 struct usb_serial_port *port = tty->driver_data;
1da177e4 2045 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1da177e4
LT		 2046 int status;
2047
1da177e4
LT		 2048 if (edge_port == NULL)
2049 return;
2050
1da177e4
LT		 2051 /* if we are implementing XON/XOFF, send the stop character */
2052 if (I_IXOFF(tty)) {
2053 unsigned char stop_char = STOP_CHAR(tty);
95da310e
AC		 2054 status = edge_write(tty, port, &stop_char, 1);
2055 if (status <= 0) {
2056 dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status);
2057 }
1da177e4
LT		 2058 }
2059
2060 /* if we are implementing RTS/CTS, stop reads */
2061 /* and the Edgeport will clear the RTS line */
2062 if (C_CRTSCTS(tty))
2063 stop_read(edge_port);
2064
2065}
2066
95da310e 2067static void edge_unthrottle(struct tty_struct *tty)
1da177e4 2068{
95da310e 2069 struct usb_serial_port *port = tty->driver_data;
1da177e4 2070 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1da177e4
LT		 2071 int status;
2072
1da177e4
LT		 2073 if (edge_port == NULL)
2074 return;
2075
1da177e4
LT		 2076 /* if we are implementing XON/XOFF, send the start character */
2077 if (I_IXOFF(tty)) {
2078 unsigned char start_char = START_CHAR(tty);
95da310e
AC		 2079 status = edge_write(tty, port, &start_char, 1);
2080 if (status <= 0) {
2081 dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status);
2082 }
1da177e4 2083 }
1da177e4
LT		 2084 /* if we are implementing RTS/CTS, restart reads */
2085 /* are the Edgeport will assert the RTS line */
2086 if (C_CRTSCTS(tty)) {
2087 status = restart_read(edge_port);
2088 if (status)
2742fd88
AC		 2089 dev_err(&port->dev,
2090 "%s - read bulk usb_submit_urb failed: %d\n",
2091 __func__, status);
1da177e4
LT		 2092 }
2093
2094}
2095
2096static void stop_read(struct edgeport_port *edge_port)
2097{
2098 unsigned long flags;
2099
2100 spin_lock_irqsave(&edge_port->ep_lock, flags);
2101
2102 if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING)
2103 edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPING;
2104 edge_port->shadow_mcr &= ~MCR_RTS;
2105
2106 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2107}
2108
2109static int restart_read(struct edgeport_port *edge_port)
2110{
2111 struct urb *urb;
2112 int status = 0;
2113 unsigned long flags;
2114
2115 spin_lock_irqsave(&edge_port->ep_lock, flags);
2116
2117 if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPED) {
2118 urb = edge_port->port->read_urb;
efdff608 2119 status = usb_submit_urb(urb, GFP_ATOMIC);
1da177e4
LT		 2120 }
2121 edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING;
2122 edge_port->shadow_mcr |= MCR_RTS;
2123
2124 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2125
2126 return status;
2127}
2128
95da310e
AC		 2129static void change_port_settings(struct tty_struct *tty,
2130 struct edgeport_port *edge_port, struct ktermios *old_termios)
1da177e4 2131{
67e6da70 2132 struct device *dev = &edge_port->port->dev;
1da177e4 2133 struct ump_uart_config *config;
1da177e4
LT		 2134 int baud;
2135 unsigned cflag;
2136 int status;
2742fd88
AC		 2137 int port_number = edge_port->port->number -
2138 edge_port->port->serial->minor;
1da177e4 2139
67e6da70 2140 dev_dbg(dev, "%s - port %d\n", __func__, edge_port->port->number);
1da177e4 2141
95da310e 2142 config = kmalloc (sizeof (*config), GFP_KERNEL);
1da177e4 2143 if (!config) {
adc8d746 2144 tty->termios = *old_termios;
67e6da70 2145 dev_err(dev, "%s - out of memory\n", __func__);
1da177e4
LT		 2146 return;
2147 }
2148
adc8d746 2149 cflag = tty->termios.c_cflag;
1da177e4
LT		 2150
2151 config->wFlags = 0;
2152
2153 /* These flags must be set */
2154 config->wFlags |= UMP_MASK_UART_FLAGS_RECEIVE_MS_INT;
2155 config->wFlags |= UMP_MASK_UART_FLAGS_AUTO_START_ON_ERR;
2156 config->bUartMode = (__u8)(edge_port->bUartMode);
2157
2158 switch (cflag & CSIZE) {
2742fd88
AC		 2159 case CS5:
2160 config->bDataBits = UMP_UART_CHAR5BITS;
67e6da70 2161 dev_dbg(dev, "%s - data bits = 5\n", __func__);
2742fd88
AC		 2162 break;
2163 case CS6:
2164 config->bDataBits = UMP_UART_CHAR6BITS;
67e6da70 2165 dev_dbg(dev, "%s - data bits = 6\n", __func__);
2742fd88
AC		 2166 break;
2167 case CS7:
2168 config->bDataBits = UMP_UART_CHAR7BITS;
67e6da70 2169 dev_dbg(dev, "%s - data bits = 7\n", __func__);
2742fd88
AC		 2170 break;
2171 default:
2172 case CS8:
2173 config->bDataBits = UMP_UART_CHAR8BITS;
67e6da70 2174 dev_dbg(dev, "%s - data bits = 8\n", __func__);
1da177e4
LT		 2175 break;
2176 }
2177
2178 if (cflag & PARENB) {
2179 if (cflag & PARODD) {
2180 config->wFlags |= UMP_MASK_UART_FLAGS_PARITY;
2181 config->bParity = UMP_UART_ODDPARITY;
67e6da70 2182 dev_dbg(dev, "%s - parity = odd\n", __func__);
1da177e4
LT		 2183 } else {
2184 config->wFlags |= UMP_MASK_UART_FLAGS_PARITY;
2185 config->bParity = UMP_UART_EVENPARITY;
67e6da70 2186 dev_dbg(dev, "%s - parity = even\n", __func__);
1da177e4
LT		 2187 }
2188 } else {
2742fd88 2189 config->bParity = UMP_UART_NOPARITY;
67e6da70 2190 dev_dbg(dev, "%s - parity = none\n", __func__);
1da177e4
LT		 2191 }
2192
2193 if (cflag & CSTOPB) {
2194 config->bStopBits = UMP_UART_STOPBIT2;
67e6da70 2195 dev_dbg(dev, "%s - stop bits = 2\n", __func__);
1da177e4
LT		 2196 } else {
2197 config->bStopBits = UMP_UART_STOPBIT1;
67e6da70 2198 dev_dbg(dev, "%s - stop bits = 1\n", __func__);
1da177e4
LT		 2199 }
2200
2201 /* figure out the flow control settings */
2202 if (cflag & CRTSCTS) {
2203 config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X_CTS_FLOW;
2204 config->wFlags |= UMP_MASK_UART_FLAGS_RTS_FLOW;
67e6da70 2205 dev_dbg(dev, "%s - RTS/CTS is enabled\n", __func__);
1da177e4 2206 } else {
67e6da70 2207 dev_dbg(dev, "%s - RTS/CTS is disabled\n", __func__);
1da177e4
LT		 2208 tty->hw_stopped = 0;
2209 restart_read(edge_port);
2210 }
2211
2742fd88
AC		 2212 /* if we are implementing XON/XOFF, set the start and stop
2213 character in the device */
2214 config->cXon = START_CHAR(tty);
2215 config->cXoff = STOP_CHAR(tty);
1da177e4 2216
2742fd88
AC		 2217 /* if we are implementing INBOUND XON/XOFF */
2218 if (I_IXOFF(tty)) {
2219 config->wFlags |= UMP_MASK_UART_FLAGS_IN_X;
67e6da70
GKH		 2220 dev_dbg(dev, "%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n",
2221 __func__, config->cXon, config->cXoff);
2742fd88 2222 } else
67e6da70 2223 dev_dbg(dev, "%s - INBOUND XON/XOFF is disabled\n", __func__);
1da177e4 2224
2742fd88
AC		 2225 /* if we are implementing OUTBOUND XON/XOFF */
2226 if (I_IXON(tty)) {
2227 config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X;
67e6da70
GKH		 2228 dev_dbg(dev, "%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n",
2229 __func__, config->cXon, config->cXoff);
2742fd88 2230 } else
67e6da70 2231 dev_dbg(dev, "%s - OUTBOUND XON/XOFF is disabled\n", __func__);
1da177e4 2232
adc8d746 2233 tty->termios.c_cflag &= ~CMSPAR;
d5f5bcd4 2234
1da177e4
LT		 2235 /* Round the baud rate */
2236 baud = tty_get_baud_rate(tty);
2237 if (!baud) {
2238 /* pick a default, any default... */
2239 baud = 9600;
d5f5bcd4
AC		 2240 } else
2241 tty_encode_baud_rate(tty, baud, baud);
2242
1da177e4
LT		 2243 edge_port->baud_rate = baud;
2244 config->wBaudRate = (__u16)((461550L + baud/2) / baud);
2245
d5f5bcd4
AC		 2246 /* FIXME: Recompute actual baud from divisor here */
2247
67e6da70 2248 dev_dbg(dev, "%s - baud rate = %d, wBaudRate = %d\n", __func__, baud, config->wBaudRate);
1da177e4 2249
67e6da70
GKH		 2250 dev_dbg(dev, "wBaudRate: %d\n", (int)(461550L / config->wBaudRate));
2251 dev_dbg(dev, "wFlags: 0x%x\n", config->wFlags);
2252 dev_dbg(dev, "bDataBits: %d\n", config->bDataBits);
2253 dev_dbg(dev, "bParity: %d\n", config->bParity);
2254 dev_dbg(dev, "bStopBits: %d\n", config->bStopBits);
2255 dev_dbg(dev, "cXon: %d\n", config->cXon);
2256 dev_dbg(dev, "cXoff: %d\n", config->cXoff);
2257 dev_dbg(dev, "bUartMode: %d\n", config->bUartMode);
1da177e4
LT		 2258
2259 /* move the word values into big endian mode */
2742fd88
AC		 2260 cpu_to_be16s(&config->wFlags);
2261 cpu_to_be16s(&config->wBaudRate);
1da177e4 2262
2742fd88 2263 status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG,
1da177e4 2264 (__u8)(UMPM_UART1_PORT + port_number),
2742fd88
AC		 2265 0, (__u8 *)config, sizeof(*config));
2266 if (status)
67e6da70
GKH		 2267 dev_dbg(dev, "%s - error %d when trying to write config to device\n",
2268 __func__, status);
2742fd88 2269 kfree(config);
1da177e4
LT		 2270}
2271
2e0ddd62 2272static void edge_set_termios(struct tty_struct *tty,
95da310e 2273 struct usb_serial_port *port, struct ktermios *old_termios)
1da177e4
LT		 2274{
2275 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
95da310e
AC		 2276 unsigned int cflag;
2277
adc8d746 2278 cflag = tty->termios.c_cflag;
1da177e4 2279
67e6da70 2280 dev_dbg(&port->dev, "%s - clfag %08x iflag %08x\n", __func__,
d9a80746 2281 tty->termios.c_cflag, tty->termios.c_iflag);
67e6da70
GKH		 2282 dev_dbg(&port->dev, "%s - old clfag %08x old iflag %08x\n", __func__,
2283 old_termios->c_cflag, old_termios->c_iflag);
2284 dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number);
1da177e4
LT		 2285
2286 if (edge_port == NULL)
2287 return;
1da177e4 2288 /* change the port settings to the new ones specified */
95da310e 2289 change_port_settings(tty, edge_port, old_termios);
1da177e4
LT		 2290}
2291
20b9d177 2292static int edge_tiocmset(struct tty_struct *tty,
2742fd88 2293 unsigned int set, unsigned int clear)
1da177e4 2294{
95da310e 2295 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 2296 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2297 unsigned int mcr;
3d71fe0b 2298 unsigned long flags;
1da177e4 2299
3d71fe0b 2300 spin_lock_irqsave(&edge_port->ep_lock, flags);
1da177e4
LT		 2301 mcr = edge_port->shadow_mcr;
2302 if (set & TIOCM_RTS)
2303 mcr |= MCR_RTS;
2304 if (set & TIOCM_DTR)
2305 mcr |= MCR_DTR;
2306 if (set & TIOCM_LOOP)
2307 mcr |= MCR_LOOPBACK;
2308
2309 if (clear & TIOCM_RTS)
2310 mcr &= ~MCR_RTS;
2311 if (clear & TIOCM_DTR)
2312 mcr &= ~MCR_DTR;
2313 if (clear & TIOCM_LOOP)
2314 mcr &= ~MCR_LOOPBACK;
2315
2316 edge_port->shadow_mcr = mcr;
3d71fe0b 2317 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1da177e4 2318
2742fd88 2319 restore_mcr(edge_port, mcr);
1da177e4
LT		 2320 return 0;
2321}
2322
60b33c13 2323static int edge_tiocmget(struct tty_struct *tty)
1da177e4 2324{
95da310e 2325 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 2326 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2327 unsigned int result = 0;
2328 unsigned int msr;
2329 unsigned int mcr;
3d71fe0b 2330 unsigned long flags;
1da177e4 2331
3d71fe0b
AC		 2332 spin_lock_irqsave(&edge_port->ep_lock, flags);
2333
1da177e4
LT		 2334 msr = edge_port->shadow_msr;
2335 mcr = edge_port->shadow_mcr;
2336 result = ((mcr & MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */
2337 | ((mcr & MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */
2338 | ((msr & EDGEPORT_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */
2339 | ((msr & EDGEPORT_MSR_CD) ? TIOCM_CAR: 0) /* 0x040 */
2340 | ((msr & EDGEPORT_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */
2341 | ((msr & EDGEPORT_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */
2342
2343
67e6da70 2344 dev_dbg(&port->dev, "%s -- %x\n", __func__, result);
3d71fe0b 2345 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
1da177e4
LT		 2346
2347 return result;
2348}
2349
2742fd88
AC		 2350static int get_serial_info(struct edgeport_port *edge_port,
2351 struct serial_struct __user *retinfo)
1da177e4
LT		 2352{
2353 struct serial_struct tmp;
f40d7815 2354 unsigned cwait;
1da177e4
LT		 2355
2356 if (!retinfo)
2357 return -EFAULT;
2358
f40d7815
JH		 2359 cwait = edge_port->port->port.closing_wait;
2360 if (cwait != ASYNC_CLOSING_WAIT_NONE)
2361 cwait = jiffies_to_msecs(closing_wait) / 10;
2362
1da177e4
LT		 2363 memset(&tmp, 0, sizeof(tmp));
2364
2365 tmp.type = PORT_16550A;
2366 tmp.line = edge_port->port->serial->minor;
2367 tmp.port = edge_port->port->number;
2368 tmp.irq = 0;
2369 tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
2370 tmp.xmit_fifo_size = edge_port->port->bulk_out_size;
2371 tmp.baud_base = 9600;
2372 tmp.close_delay = 5*HZ;
f40d7815 2373 tmp.closing_wait = cwait;
1da177e4
LT		 2374
2375 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
2376 return -EFAULT;
2377 return 0;
2378}
2379
00a0d0d6 2380static int edge_ioctl(struct tty_struct *tty,
2742fd88 2381 unsigned int cmd, unsigned long arg)
1da177e4 2382{
95da310e 2383 struct usb_serial_port *port = tty->driver_data;
1da177e4 2384 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1da177e4 2385
67e6da70 2386 dev_dbg(&port->dev, "%s - port %d, cmd = 0x%x\n", __func__, port->number, cmd);
1da177e4
LT		 2387
2388 switch (cmd) {
2742fd88 2389 case TIOCGSERIAL:
67e6da70 2390 dev_dbg(&port->dev, "%s - TIOCGSERIAL\n", __func__);
2742fd88
AC		 2391 return get_serial_info(edge_port,
2392 (struct serial_struct __user *) arg);
1da177e4 2393 }
1da177e4
LT		 2394 return -ENOIOCTLCMD;
2395}
2396
95da310e 2397static void edge_break(struct tty_struct *tty, int break_state)
1da177e4 2398{
95da310e 2399 struct usb_serial_port *port = tty->driver_data;
1da177e4
LT		 2400 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2401 int status;
2742fd88 2402 int bv = 0; /* Off */
1da177e4 2403
f40d7815 2404 tty_wait_until_sent(tty, 0);
1da177e4 2405
95da310e 2406 if (break_state == -1)
2742fd88
AC		 2407 bv = 1; /* On */
2408 status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv);
2409 if (status)
67e6da70
GKH		 2410 dev_dbg(&port->dev, "%s - error %d sending break set/clear command.\n",
2411 __func__, status);
1da177e4
LT		 2412}
2413
2742fd88 2414static int edge_startup(struct usb_serial *serial)
1da177e4
LT		 2415{
2416 struct edgeport_serial *edge_serial;
1da177e4 2417 int status;
1da177e4
LT		 2418
2419 /* create our private serial structure */
80b6ca48 2420 edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
1da177e4 2421 if (edge_serial == NULL) {
441b62c1 2422 dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__);
1da177e4
LT		 2423 return -ENOMEM;
2424 }
241ca64f 2425 mutex_init(&edge_serial->es_lock);
1da177e4
LT		 2426 edge_serial->serial = serial;
2427 usb_set_serial_data(serial, edge_serial);
2428
2742fd88 2429 status = download_fw(edge_serial);
1da177e4 2430 if (status) {
2742fd88 2431 kfree(edge_serial);
1da177e4
LT		 2432 return status;
2433 }
2434
1da177e4 2435 return 0;
1da177e4
LT		 2436}
2437
f9c99bb8 2438static void edge_disconnect(struct usb_serial *serial)
1da177e4 2439{
f9c99bb8
AS		 2440}
2441
2442static void edge_release(struct usb_serial *serial)
2443{
00361530
JH		 2444 kfree(usb_get_serial_data(serial));
2445}
2446
2447static int edge_port_probe(struct usb_serial_port *port)
2448{
f9c99bb8 2449 struct edgeport_port *edge_port;
00361530 2450 int ret;
f9c99bb8 2451
00361530
JH		 2452 edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
2453 if (!edge_port)
2454 return -ENOMEM;
2455
2456 ret = kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE,
2457 GFP_KERNEL);
2458 if (ret) {
2459 kfree(edge_port);
2460 return -ENOMEM;
2461 }
2462
00361530
JH		 2463 spin_lock_init(&edge_port->ep_lock);
2464 edge_port->port = port;
2465 edge_port->edge_serial = usb_get_serial_data(port->serial);
2466 edge_port->bUartMode = default_uart_mode;
2467
2468 usb_set_serial_port_data(port, edge_port);
2469
5d8c61bc
JH		 2470 ret = edge_create_sysfs_attrs(port);
2471 if (ret) {
2472 kfifo_free(&edge_port->write_fifo);
2473 kfree(edge_port);
2474 return ret;
2475 }
2476
f40d7815
JH		 2477 port->port.closing_wait = msecs_to_jiffies(closing_wait * 10);
2478
00361530 2479 return 0;
1da177e4
LT		 2480}
2481
00361530
JH		 2482static int edge_port_remove(struct usb_serial_port *port)
2483{
2484 struct edgeport_port *edge_port;
2485
2486 edge_port = usb_get_serial_port_data(port);
00361530
JH		 2487 edge_remove_sysfs_attrs(port);
2488 kfifo_free(&edge_port->write_fifo);
2489 kfree(edge_port);
2490
2491 return 0;
2492}
1da177e4 2493
fc4cbd75
MP		 2494/* Sysfs Attributes */
2495
2496static ssize_t show_uart_mode(struct device *dev,
2497 struct device_attribute *attr, char *buf)
2498{
2499 struct usb_serial_port *port = to_usb_serial_port(dev);
2500 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2501
2502 return sprintf(buf, "%d\n", edge_port->bUartMode);
2503}
2504
2505static ssize_t store_uart_mode(struct device *dev,
2506 struct device_attribute *attr, const char *valbuf, size_t count)
2507{
2508 struct usb_serial_port *port = to_usb_serial_port(dev);
2509 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2510 unsigned int v = simple_strtoul(valbuf, NULL, 0);
2511
67e6da70 2512 dev_dbg(dev, "%s: setting uart_mode = %d\n", __func__, v);
fc4cbd75
MP		 2513
2514 if (v < 256)
2515 edge_port->bUartMode = v;
2516 else
441b62c1 2517 dev_err(dev, "%s - uart_mode %d is invalid\n", __func__, v);
fc4cbd75
MP		 2518
2519 return count;
2520}
2521
2742fd88
AC		 2522static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode,
2523 store_uart_mode);
fc4cbd75
MP		 2524
2525static int edge_create_sysfs_attrs(struct usb_serial_port *port)
2526{
2527 return device_create_file(&port->dev, &dev_attr_uart_mode);
2528}
2529
2530static int edge_remove_sysfs_attrs(struct usb_serial_port *port)
2531{
2532 device_remove_file(&port->dev, &dev_attr_uart_mode);
2533 return 0;
2534}
2535
2536
ea65370d 2537static struct usb_serial_driver edgeport_1port_device = {
18fcac35 2538 .driver = {
269bda1c
GKH		 2539 .owner = THIS_MODULE,
2540 .name = "edgeport_ti_1",
18fcac35 2541 },
269bda1c 2542 .description = "Edgeport TI 1 port adapter",
1da177e4 2543 .id_table = edgeport_1port_id_table,
1da177e4
LT		 2544 .num_ports = 1,
2545 .open = edge_open,
2546 .close = edge_close,
2547 .throttle = edge_throttle,
2548 .unthrottle = edge_unthrottle,
2549 .attach = edge_startup,
f9c99bb8
AS		 2550 .disconnect = edge_disconnect,
2551 .release = edge_release,
00361530
JH		 2552 .port_probe = edge_port_probe,
2553 .port_remove = edge_port_remove,
1da177e4
LT		 2554 .ioctl = edge_ioctl,
2555 .set_termios = edge_set_termios,
2556 .tiocmget = edge_tiocmget,
2557 .tiocmset = edge_tiocmset,
48ee5801 2558 .tiocmiwait = usb_serial_generic_tiocmiwait,
cf9a9d66 2559 .get_icount = usb_serial_generic_get_icount,
1da177e4
LT		 2560 .write = edge_write,
2561 .write_room = edge_write_room,
2562 .chars_in_buffer = edge_chars_in_buffer,
2563 .break_ctl = edge_break,
2564 .read_int_callback = edge_interrupt_callback,
2565 .read_bulk_callback = edge_bulk_in_callback,
2566 .write_bulk_callback = edge_bulk_out_callback,
2567};
2568
ea65370d 2569static struct usb_serial_driver edgeport_2port_device = {
18fcac35 2570 .driver = {
269bda1c
GKH		 2571 .owner = THIS_MODULE,
2572 .name = "edgeport_ti_2",
18fcac35 2573 },
269bda1c 2574 .description = "Edgeport TI 2 port adapter",
1da177e4 2575 .id_table = edgeport_2port_id_table,
1da177e4
LT		 2576 .num_ports = 2,
2577 .open = edge_open,
2578 .close = edge_close,
2579 .throttle = edge_throttle,
2580 .unthrottle = edge_unthrottle,
2581 .attach = edge_startup,
f9c99bb8
AS		 2582 .disconnect = edge_disconnect,
2583 .release = edge_release,
00361530
JH		 2584 .port_probe = edge_port_probe,
2585 .port_remove = edge_port_remove,
1da177e4
LT		 2586 .ioctl = edge_ioctl,
2587 .set_termios = edge_set_termios,
2588 .tiocmget = edge_tiocmget,
2589 .tiocmset = edge_tiocmset,
48ee5801 2590 .tiocmiwait = usb_serial_generic_tiocmiwait,
cf9a9d66 2591 .get_icount = usb_serial_generic_get_icount,
1da177e4
LT		 2592 .write = edge_write,
2593 .write_room = edge_write_room,
2594 .chars_in_buffer = edge_chars_in_buffer,
2595 .break_ctl = edge_break,
2596 .read_int_callback = edge_interrupt_callback,
2597 .read_bulk_callback = edge_bulk_in_callback,
2598 .write_bulk_callback = edge_bulk_out_callback,
2599};
2600
7dbe2460
AS		 2601static struct usb_serial_driver * const serial_drivers[] = {
2602 &edgeport_1port_device, &edgeport_2port_device, NULL
2603};
2604
68e24113 2605module_usb_serial_driver(serial_drivers, id_table_combined);
1da177e4 2606
1da177e4
LT		 2607MODULE_AUTHOR(DRIVER_AUTHOR);
2608MODULE_DESCRIPTION(DRIVER_DESC);
2609MODULE_LICENSE("GPL");
d12b219a 2610MODULE_FIRMWARE("edgeport/down3.bin");
1da177e4 2611
1da177e4
LT		 2612module_param(closing_wait, int, S_IRUGO | S_IWUSR);
2613MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs");
2614
2615module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR);
2742fd88
AC		 2616MODULE_PARM_DESC(ignore_cpu_rev,
2617 "Ignore the cpu revision when connecting to a device");
1da177e4 2618
fc4cbd75
MP		 2619module_param(default_uart_mode, int, S_IRUGO | S_IWUSR);
2620MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ...");
kernel source for telekom puls (alcatel/mediatek)