Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Edgeport USB Serial Converter driver | |
3 | * | |
4 | * Copyright (C) 2000-2002 Inside Out Networks, All rights reserved. | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * Supports the following devices: | |
13 | * EP/1 EP/2 EP/4 EP/21 EP/22 EP/221 EP/42 EP/421 WATCHPORT | |
14 | * | |
15 | * For questions or problems with this driver, contact Inside Out | |
16 | * Networks technical support, or Peter Berger <pberger@brimson.com>, | |
17 | * or Al Borchers <alborchers@steinerpoint.com>. | |
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 | ||
43 | /* | |
44 | * Version Information | |
45 | */ | |
fc4cbd75 | 46 | #define DRIVER_VERSION "v0.7mode043006" |
1da177e4 LT |
47 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com> and David Iacovelli" |
48 | #define DRIVER_DESC "Edgeport USB Serial Driver" | |
49 | ||
1da177e4 LT |
50 | #define EPROM_PAGE_SIZE 64 |
51 | ||
52 | ||
1da177e4 LT |
53 | /* different hardware types */ |
54 | #define HARDWARE_TYPE_930 0 | |
55 | #define HARDWARE_TYPE_TIUMP 1 | |
56 | ||
2742fd88 AC |
57 | /* IOCTL_PRIVATE_TI_GET_MODE Definitions */ |
58 | #define TI_MODE_CONFIGURING 0 /* Device has not entered start device */ | |
59 | #define TI_MODE_BOOT 1 /* Staying in boot mode */ | |
60 | #define TI_MODE_DOWNLOAD 2 /* Made it to download mode */ | |
61 | #define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but | |
62 | transitioning to download mode */ | |
1da177e4 LT |
63 | |
64 | /* read urb state */ | |
65 | #define EDGE_READ_URB_RUNNING 0 | |
66 | #define EDGE_READ_URB_STOPPING 1 | |
67 | #define EDGE_READ_URB_STOPPED 2 | |
68 | ||
1da177e4 LT |
69 | #define EDGE_CLOSING_WAIT 4000 /* in .01 sec */ |
70 | ||
71 | #define EDGE_OUT_BUF_SIZE 1024 | |
72 | ||
73 | ||
74 | /* Product information read from the Edgeport */ | |
2742fd88 AC |
75 | struct product_info { |
76 | int TiMode; /* Current TI Mode */ | |
77 | __u8 hardware_type; /* Type of hardware */ | |
1da177e4 LT |
78 | } __attribute__((packed)); |
79 | ||
1da177e4 LT |
80 | struct edgeport_port { |
81 | __u16 uart_base; | |
82 | __u16 dma_address; | |
83 | __u8 shadow_msr; | |
84 | __u8 shadow_mcr; | |
85 | __u8 shadow_lsr; | |
86 | __u8 lsr_mask; | |
19af5cdb | 87 | __u32 ump_read_timeout; /* Number of milliseconds the UMP will |
1da177e4 LT |
88 | wait without data before completing |
89 | a read short */ | |
90 | int baud_rate; | |
91 | int close_pending; | |
92 | int lsr_event; | |
1da177e4 LT |
93 | struct async_icount icount; |
94 | wait_queue_head_t delta_msr_wait; /* for handling sleeping while | |
95 | waiting for msr change to | |
96 | happen */ | |
97 | struct edgeport_serial *edge_serial; | |
98 | struct usb_serial_port *port; | |
2742fd88 | 99 | __u8 bUartMode; /* Port type, 0: RS232, etc. */ |
1da177e4 LT |
100 | spinlock_t ep_lock; |
101 | int ep_read_urb_state; | |
102 | int ep_write_urb_in_use; | |
d733cec1 | 103 | struct kfifo write_fifo; |
1da177e4 LT |
104 | }; |
105 | ||
106 | struct edgeport_serial { | |
107 | struct product_info product_info; | |
2742fd88 AC |
108 | u8 TI_I2C_Type; /* Type of I2C in UMP */ |
109 | u8 TiReadI2C; /* Set to TRUE if we have read the | |
110 | I2c in Boot Mode */ | |
241ca64f | 111 | struct mutex es_lock; |
1da177e4 LT |
112 | int num_ports_open; |
113 | struct usb_serial *serial; | |
114 | }; | |
115 | ||
116 | ||
117 | /* Devices that this driver supports */ | |
7d40d7e8 | 118 | static const struct usb_device_id edgeport_1port_id_table[] = { |
1da177e4 LT |
119 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
120 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
121 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
122 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
123 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
124 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
125 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
126 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
127 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
128 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
129 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
130 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
131 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
132 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
133 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
134 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
135 | { } | |
136 | }; | |
137 | ||
7d40d7e8 | 138 | static const struct usb_device_id edgeport_2port_id_table[] = { |
1da177e4 LT |
139 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, |
140 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
141 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
142 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
143 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
144 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
145 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
146 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
147 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
148 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
149 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
150 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
fc4cbd75 | 151 | /* The 4, 8 and 16 port devices show up as multiple 2 port devices */ |
1da177e4 | 152 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, |
fc4cbd75 MP |
153 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
154 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
155 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
156 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
157 | { } |
158 | }; | |
159 | ||
160 | /* Devices that this driver supports */ | |
7d40d7e8 | 161 | static const struct usb_device_id id_table_combined[] = { |
1da177e4 LT |
162 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
163 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
164 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
165 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
166 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
167 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
168 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
169 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
170 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
171 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
172 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
173 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
174 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
175 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
176 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
177 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
178 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, | |
179 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
180 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
181 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
182 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
183 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
184 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
185 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
186 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
187 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
188 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
189 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
190 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, | |
fc4cbd75 MP |
191 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
192 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
193 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
194 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
195 | { } |
196 | }; | |
197 | ||
2742fd88 | 198 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 | 199 | |
d12b219a JS |
200 | static unsigned char OperationalMajorVersion; |
201 | static unsigned char OperationalMinorVersion; | |
202 | static unsigned short OperationalBuildNumber; | |
1da177e4 | 203 | |
90ab5ee9 | 204 | static bool debug; |
1da177e4 | 205 | |
1da177e4 | 206 | static int closing_wait = EDGE_CLOSING_WAIT; |
90ab5ee9 | 207 | static bool ignore_cpu_rev; |
2742fd88 | 208 | static int default_uart_mode; /* RS232 */ |
1da177e4 | 209 | |
2742fd88 AC |
210 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
211 | unsigned char *data, int length); | |
1da177e4 LT |
212 | |
213 | static void stop_read(struct edgeport_port *edge_port); | |
214 | static int restart_read(struct edgeport_port *edge_port); | |
215 | ||
95da310e AC |
216 | static void edge_set_termios(struct tty_struct *tty, |
217 | struct usb_serial_port *port, struct ktermios *old_termios); | |
218 | static void edge_send(struct tty_struct *tty); | |
1da177e4 | 219 | |
fc4cbd75 MP |
220 | /* sysfs attributes */ |
221 | static int edge_create_sysfs_attrs(struct usb_serial_port *port); | |
222 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port); | |
223 | ||
1da177e4 | 224 | |
2742fd88 AC |
225 | static int ti_vread_sync(struct usb_device *dev, __u8 request, |
226 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
227 | { |
228 | int status; | |
229 | ||
2742fd88 AC |
230 | status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, |
231 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN), | |
232 | value, index, data, size, 1000); | |
1da177e4 LT |
233 | if (status < 0) |
234 | return status; | |
235 | if (status != size) { | |
2742fd88 AC |
236 | dbg("%s - wanted to write %d, but only wrote %d", |
237 | __func__, size, status); | |
1da177e4 LT |
238 | return -ECOMM; |
239 | } | |
240 | return 0; | |
241 | } | |
242 | ||
2742fd88 AC |
243 | static int ti_vsend_sync(struct usb_device *dev, __u8 request, |
244 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
245 | { |
246 | int status; | |
247 | ||
2742fd88 AC |
248 | status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, |
249 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), | |
250 | value, index, data, size, 1000); | |
1da177e4 LT |
251 | if (status < 0) |
252 | return status; | |
253 | if (status != size) { | |
2742fd88 | 254 | dbg("%s - wanted to write %d, but only wrote %d", |
441b62c1 | 255 | __func__, size, status); |
1da177e4 LT |
256 | return -ECOMM; |
257 | } | |
258 | return 0; | |
259 | } | |
260 | ||
2742fd88 | 261 | static int send_cmd(struct usb_device *dev, __u8 command, |
1da177e4 LT |
262 | __u8 moduleid, __u16 value, u8 *data, |
263 | int size) | |
264 | { | |
2742fd88 | 265 | return ti_vsend_sync(dev, command, value, moduleid, data, size); |
1da177e4 LT |
266 | } |
267 | ||
268 | /* clear tx/rx buffers and fifo in TI UMP */ | |
2742fd88 | 269 | static int purge_port(struct usb_serial_port *port, __u16 mask) |
1da177e4 LT |
270 | { |
271 | int port_number = port->number - port->serial->minor; | |
272 | ||
2742fd88 | 273 | dbg("%s - port %d, mask %x", __func__, port_number, mask); |
1da177e4 | 274 | |
2742fd88 | 275 | return send_cmd(port->serial->dev, |
1da177e4 LT |
276 | UMPC_PURGE_PORT, |
277 | (__u8)(UMPM_UART1_PORT + port_number), | |
278 | mask, | |
279 | NULL, | |
280 | 0); | |
281 | } | |
282 | ||
283 | /** | |
2742fd88 | 284 | * read_download_mem - Read edgeport memory from TI chip |
1da177e4 LT |
285 | * @dev: usb device pointer |
286 | * @start_address: Device CPU address at which to read | |
287 | * @length: Length of above data | |
288 | * @address_type: Can read both XDATA and I2C | |
289 | * @buffer: pointer to input data buffer | |
290 | */ | |
2742fd88 | 291 | static int read_download_mem(struct usb_device *dev, int start_address, |
1da177e4 LT |
292 | int length, __u8 address_type, __u8 *buffer) |
293 | { | |
294 | int status = 0; | |
295 | __u8 read_length; | |
296 | __be16 be_start_address; | |
2742fd88 AC |
297 | |
298 | dbg("%s - @ %x for %d", __func__, start_address, length); | |
1da177e4 LT |
299 | |
300 | /* Read in blocks of 64 bytes | |
301 | * (TI firmware can't handle more than 64 byte reads) | |
302 | */ | |
303 | while (length) { | |
304 | if (length > 64) | |
2742fd88 | 305 | read_length = 64; |
1da177e4 LT |
306 | else |
307 | read_length = (__u8)length; | |
308 | ||
309 | if (read_length > 1) { | |
2742fd88 | 310 | dbg("%s - @ %x for %d", __func__, |
1da177e4 LT |
311 | start_address, read_length); |
312 | } | |
2742fd88 AC |
313 | be_start_address = cpu_to_be16(start_address); |
314 | status = ti_vread_sync(dev, UMPC_MEMORY_READ, | |
315 | (__u16)address_type, | |
316 | (__force __u16)be_start_address, | |
317 | buffer, read_length); | |
1da177e4 LT |
318 | |
319 | if (status) { | |
2742fd88 | 320 | dbg("%s - ERROR %x", __func__, status); |
1da177e4 LT |
321 | return status; |
322 | } | |
323 | ||
2742fd88 | 324 | if (read_length > 1) |
441b62c1 | 325 | usb_serial_debug_data(debug, &dev->dev, __func__, |
1da177e4 | 326 | read_length, buffer); |
1da177e4 LT |
327 | |
328 | /* Update pointers/length */ | |
329 | start_address += read_length; | |
330 | buffer += read_length; | |
331 | length -= read_length; | |
332 | } | |
2742fd88 | 333 | |
1da177e4 LT |
334 | return status; |
335 | } | |
336 | ||
2742fd88 AC |
337 | static int read_ram(struct usb_device *dev, int start_address, |
338 | int length, __u8 *buffer) | |
1da177e4 | 339 | { |
2742fd88 AC |
340 | return read_download_mem(dev, start_address, length, |
341 | DTK_ADDR_SPACE_XDATA, buffer); | |
1da177e4 LT |
342 | } |
343 | ||
344 | /* Read edgeport memory to a given block */ | |
2742fd88 AC |
345 | static int read_boot_mem(struct edgeport_serial *serial, |
346 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
347 | { |
348 | int status = 0; | |
349 | int i; | |
350 | ||
2742fd88 AC |
351 | for (i = 0; i < length; i++) { |
352 | status = ti_vread_sync(serial->serial->dev, | |
353 | UMPC_MEMORY_READ, serial->TI_I2C_Type, | |
354 | (__u16)(start_address+i), &buffer[i], 0x01); | |
1da177e4 | 355 | if (status) { |
2742fd88 | 356 | dbg("%s - ERROR %x", __func__, status); |
1da177e4 LT |
357 | return status; |
358 | } | |
359 | } | |
360 | ||
2742fd88 AC |
361 | dbg("%s - start_address = %x, length = %d", |
362 | __func__, start_address, length); | |
363 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
364 | __func__, length, buffer); | |
1da177e4 LT |
365 | |
366 | serial->TiReadI2C = 1; | |
367 | ||
368 | return status; | |
369 | } | |
370 | ||
371 | /* Write given block to TI EPROM memory */ | |
2742fd88 AC |
372 | static int write_boot_mem(struct edgeport_serial *serial, |
373 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
374 | { |
375 | int status = 0; | |
376 | int i; | |
e9305d2f | 377 | u8 *temp; |
1da177e4 LT |
378 | |
379 | /* Must do a read before write */ | |
380 | if (!serial->TiReadI2C) { | |
e9305d2f JH |
381 | temp = kmalloc(1, GFP_KERNEL); |
382 | if (!temp) { | |
383 | dev_err(&serial->serial->dev->dev, | |
384 | "%s - out of memory\n", __func__); | |
385 | return -ENOMEM; | |
386 | } | |
387 | status = read_boot_mem(serial, 0, 1, temp); | |
388 | kfree(temp); | |
1da177e4 LT |
389 | if (status) |
390 | return status; | |
391 | } | |
392 | ||
2742fd88 AC |
393 | for (i = 0; i < length; ++i) { |
394 | status = ti_vsend_sync(serial->serial->dev, | |
395 | UMPC_MEMORY_WRITE, buffer[i], | |
396 | (__u16)(i + start_address), NULL, 0); | |
1da177e4 LT |
397 | if (status) |
398 | return status; | |
399 | } | |
400 | ||
2742fd88 AC |
401 | dbg("%s - start_sddr = %x, length = %d", |
402 | __func__, start_address, length); | |
403 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
404 | __func__, length, buffer); | |
1da177e4 LT |
405 | |
406 | return status; | |
407 | } | |
408 | ||
409 | ||
410 | /* Write edgeport I2C memory to TI chip */ | |
2742fd88 AC |
411 | static int write_i2c_mem(struct edgeport_serial *serial, |
412 | int start_address, int length, __u8 address_type, __u8 *buffer) | |
1da177e4 LT |
413 | { |
414 | int status = 0; | |
415 | int write_length; | |
416 | __be16 be_start_address; | |
417 | ||
418 | /* We can only send a maximum of 1 aligned byte page at a time */ | |
2742fd88 | 419 | |
25985edc | 420 | /* calculate the number of bytes left in the first page */ |
2742fd88 AC |
421 | write_length = EPROM_PAGE_SIZE - |
422 | (start_address & (EPROM_PAGE_SIZE - 1)); | |
1da177e4 LT |
423 | |
424 | if (write_length > length) | |
425 | write_length = length; | |
426 | ||
2742fd88 AC |
427 | dbg("%s - BytesInFirstPage Addr = %x, length = %d", |
428 | __func__, start_address, write_length); | |
429 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
430 | __func__, write_length, buffer); | |
1da177e4 LT |
431 | |
432 | /* Write first page */ | |
2742fd88 AC |
433 | be_start_address = cpu_to_be16(start_address); |
434 | status = ti_vsend_sync(serial->serial->dev, | |
435 | UMPC_MEMORY_WRITE, (__u16)address_type, | |
436 | (__force __u16)be_start_address, | |
437 | buffer, write_length); | |
1da177e4 | 438 | if (status) { |
2742fd88 | 439 | dbg("%s - ERROR %d", __func__, status); |
1da177e4 LT |
440 | return status; |
441 | } | |
442 | ||
443 | length -= write_length; | |
444 | start_address += write_length; | |
445 | buffer += write_length; | |
446 | ||
2742fd88 AC |
447 | /* We should be aligned now -- can write |
448 | max page size bytes at a time */ | |
1da177e4 LT |
449 | while (length) { |
450 | if (length > EPROM_PAGE_SIZE) | |
451 | write_length = EPROM_PAGE_SIZE; | |
452 | else | |
453 | write_length = length; | |
454 | ||
2742fd88 AC |
455 | dbg("%s - Page Write Addr = %x, length = %d", |
456 | __func__, start_address, write_length); | |
457 | usb_serial_debug_data(debug, &serial->serial->dev->dev, | |
458 | __func__, write_length, buffer); | |
1da177e4 LT |
459 | |
460 | /* Write next page */ | |
2742fd88 AC |
461 | be_start_address = cpu_to_be16(start_address); |
462 | status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, | |
463 | (__u16)address_type, | |
464 | (__force __u16)be_start_address, | |
465 | buffer, write_length); | |
1da177e4 | 466 | if (status) { |
2742fd88 AC |
467 | dev_err(&serial->serial->dev->dev, "%s - ERROR %d\n", |
468 | __func__, status); | |
1da177e4 LT |
469 | return status; |
470 | } | |
2742fd88 | 471 | |
1da177e4 LT |
472 | length -= write_length; |
473 | start_address += write_length; | |
474 | buffer += write_length; | |
475 | } | |
476 | return status; | |
477 | } | |
478 | ||
479 | /* Examine the UMP DMA registers and LSR | |
2742fd88 | 480 | * |
1da177e4 LT |
481 | * Check the MSBit of the X and Y DMA byte count registers. |
482 | * A zero in this bit indicates that the TX DMA buffers are empty | |
483 | * then check the TX Empty bit in the UART. | |
484 | */ | |
2742fd88 | 485 | static int tx_active(struct edgeport_port *port) |
1da177e4 LT |
486 | { |
487 | int status; | |
488 | struct out_endpoint_desc_block *oedb; | |
489 | __u8 *lsr; | |
490 | int bytes_left = 0; | |
491 | ||
2742fd88 | 492 | oedb = kmalloc(sizeof(*oedb), GFP_KERNEL); |
1da177e4 | 493 | if (!oedb) { |
2742fd88 | 494 | dev_err(&port->port->dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
495 | return -ENOMEM; |
496 | } | |
497 | ||
2742fd88 | 498 | lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte, |
1da177e4 LT |
499 | as not all platforms can do DMA |
500 | from stack */ | |
501 | if (!lsr) { | |
502 | kfree(oedb); | |
503 | return -ENOMEM; | |
504 | } | |
505 | /* Read the DMA Count Registers */ | |
2742fd88 AC |
506 | status = read_ram(port->port->serial->dev, port->dma_address, |
507 | sizeof(*oedb), (void *)oedb); | |
1da177e4 LT |
508 | if (status) |
509 | goto exit_is_tx_active; | |
510 | ||
2742fd88 | 511 | dbg("%s - XByteCount 0x%X", __func__, oedb->XByteCount); |
1da177e4 LT |
512 | |
513 | /* and the LSR */ | |
2742fd88 AC |
514 | status = read_ram(port->port->serial->dev, |
515 | port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr); | |
1da177e4 LT |
516 | |
517 | if (status) | |
518 | goto exit_is_tx_active; | |
2742fd88 AC |
519 | dbg("%s - LSR = 0x%X", __func__, *lsr); |
520 | ||
1da177e4 | 521 | /* If either buffer has data or we are transmitting then return TRUE */ |
2742fd88 | 522 | if ((oedb->XByteCount & 0x80) != 0) |
1da177e4 LT |
523 | bytes_left += 64; |
524 | ||
2742fd88 | 525 | if ((*lsr & UMP_UART_LSR_TX_MASK) == 0) |
1da177e4 LT |
526 | bytes_left += 1; |
527 | ||
528 | /* We return Not Active if we get any kind of error */ | |
529 | exit_is_tx_active: | |
2742fd88 | 530 | dbg("%s - return %d", __func__, bytes_left); |
1da177e4 LT |
531 | |
532 | kfree(lsr); | |
533 | kfree(oedb); | |
534 | return bytes_left; | |
535 | } | |
536 | ||
2742fd88 AC |
537 | static void chase_port(struct edgeport_port *port, unsigned long timeout, |
538 | int flush) | |
1da177e4 LT |
539 | { |
540 | int baud_rate; | |
4a90f09b | 541 | struct tty_struct *tty = tty_port_tty_get(&port->port->port); |
af581059 | 542 | struct usb_serial *serial = port->port->serial; |
1da177e4 LT |
543 | wait_queue_t wait; |
544 | unsigned long flags; | |
545 | ||
546 | if (!timeout) | |
2742fd88 | 547 | timeout = (HZ * EDGE_CLOSING_WAIT)/100; |
1da177e4 LT |
548 | |
549 | /* wait for data to drain from the buffer */ | |
550 | spin_lock_irqsave(&port->ep_lock, flags); | |
551 | init_waitqueue_entry(&wait, current); | |
552 | add_wait_queue(&tty->write_wait, &wait); | |
553 | for (;;) { | |
554 | set_current_state(TASK_INTERRUPTIBLE); | |
d733cec1 | 555 | if (kfifo_len(&port->write_fifo) == 0 |
1da177e4 | 556 | || timeout == 0 || signal_pending(current) |
af581059 | 557 | || serial->disconnected) |
2742fd88 | 558 | /* disconnect */ |
1da177e4 LT |
559 | break; |
560 | spin_unlock_irqrestore(&port->ep_lock, flags); | |
561 | timeout = schedule_timeout(timeout); | |
562 | spin_lock_irqsave(&port->ep_lock, flags); | |
563 | } | |
564 | set_current_state(TASK_RUNNING); | |
565 | remove_wait_queue(&tty->write_wait, &wait); | |
566 | if (flush) | |
d733cec1 | 567 | kfifo_reset_out(&port->write_fifo); |
1da177e4 | 568 | spin_unlock_irqrestore(&port->ep_lock, flags); |
4a90f09b | 569 | tty_kref_put(tty); |
1da177e4 LT |
570 | |
571 | /* wait for data to drain from the device */ | |
572 | timeout += jiffies; | |
573 | while ((long)(jiffies - timeout) < 0 && !signal_pending(current) | |
af581059 | 574 | && !serial->disconnected) { |
2742fd88 AC |
575 | /* not disconnected */ |
576 | if (!tx_active(port)) | |
1da177e4 LT |
577 | break; |
578 | msleep(10); | |
579 | } | |
580 | ||
581 | /* disconnected */ | |
af581059 | 582 | if (serial->disconnected) |
1da177e4 LT |
583 | return; |
584 | ||
585 | /* wait one more character time, based on baud rate */ | |
2742fd88 AC |
586 | /* (tx_active doesn't seem to wait for the last byte) */ |
587 | baud_rate = port->baud_rate; | |
588 | if (baud_rate == 0) | |
1da177e4 | 589 | baud_rate = 50; |
dfa5ec79 | 590 | msleep(max(1, DIV_ROUND_UP(10000, baud_rate))); |
1da177e4 LT |
591 | } |
592 | ||
2742fd88 | 593 | static int choose_config(struct usb_device *dev) |
1da177e4 | 594 | { |
2742fd88 AC |
595 | /* |
596 | * There may be multiple configurations on this device, in which case | |
597 | * we would need to read and parse all of them to find out which one | |
598 | * we want. However, we just support one config at this point, | |
599 | * configuration # 1, which is Config Descriptor 0. | |
600 | */ | |
1da177e4 | 601 | |
2742fd88 AC |
602 | dbg("%s - Number of Interfaces = %d", |
603 | __func__, dev->config->desc.bNumInterfaces); | |
604 | dbg("%s - MAX Power = %d", | |
605 | __func__, dev->config->desc.bMaxPower * 2); | |
1da177e4 LT |
606 | |
607 | if (dev->config->desc.bNumInterfaces != 1) { | |
2742fd88 AC |
608 | dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", |
609 | __func__); | |
1da177e4 LT |
610 | return -ENODEV; |
611 | } | |
612 | ||
613 | return 0; | |
614 | } | |
615 | ||
2742fd88 AC |
616 | static int read_rom(struct edgeport_serial *serial, |
617 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
618 | { |
619 | int status; | |
620 | ||
621 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
2742fd88 | 622 | status = read_download_mem(serial->serial->dev, |
1da177e4 LT |
623 | start_address, |
624 | length, | |
625 | serial->TI_I2C_Type, | |
626 | buffer); | |
627 | } else { | |
2742fd88 AC |
628 | status = read_boot_mem(serial, start_address, length, |
629 | buffer); | |
1da177e4 | 630 | } |
1da177e4 LT |
631 | return status; |
632 | } | |
633 | ||
2742fd88 AC |
634 | static int write_rom(struct edgeport_serial *serial, int start_address, |
635 | int length, __u8 *buffer) | |
1da177e4 LT |
636 | { |
637 | if (serial->product_info.TiMode == TI_MODE_BOOT) | |
2742fd88 AC |
638 | return write_boot_mem(serial, start_address, length, |
639 | buffer); | |
1da177e4 LT |
640 | |
641 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) | |
2742fd88 AC |
642 | return write_i2c_mem(serial, start_address, length, |
643 | serial->TI_I2C_Type, buffer); | |
1da177e4 LT |
644 | return -EINVAL; |
645 | } | |
646 | ||
647 | ||
648 | ||
649 | /* Read a descriptor header from I2C based on type */ | |
2742fd88 AC |
650 | static int get_descriptor_addr(struct edgeport_serial *serial, |
651 | int desc_type, struct ti_i2c_desc *rom_desc) | |
1da177e4 LT |
652 | { |
653 | int start_address; | |
654 | int status; | |
655 | ||
656 | /* Search for requested descriptor in I2C */ | |
657 | start_address = 2; | |
658 | do { | |
2742fd88 | 659 | status = read_rom(serial, |
1da177e4 LT |
660 | start_address, |
661 | sizeof(struct ti_i2c_desc), | |
2742fd88 | 662 | (__u8 *)rom_desc); |
1da177e4 LT |
663 | if (status) |
664 | return 0; | |
665 | ||
666 | if (rom_desc->Type == desc_type) | |
667 | return start_address; | |
668 | ||
2742fd88 AC |
669 | start_address = start_address + sizeof(struct ti_i2c_desc) |
670 | + rom_desc->Size; | |
1da177e4 LT |
671 | |
672 | } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); | |
2742fd88 | 673 | |
1da177e4 LT |
674 | return 0; |
675 | } | |
676 | ||
677 | /* Validate descriptor checksum */ | |
2742fd88 | 678 | static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer) |
1da177e4 LT |
679 | { |
680 | __u16 i; | |
681 | __u8 cs = 0; | |
682 | ||
2742fd88 | 683 | for (i = 0; i < rom_desc->Size; i++) |
1da177e4 | 684 | cs = (__u8)(cs + buffer[i]); |
2742fd88 | 685 | |
1da177e4 | 686 | if (cs != rom_desc->CheckSum) { |
2742fd88 | 687 | dbg("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); |
1da177e4 LT |
688 | return -EINVAL; |
689 | } | |
690 | return 0; | |
691 | } | |
692 | ||
693 | /* Make sure that the I2C image is good */ | |
2742fd88 | 694 | static int check_i2c_image(struct edgeport_serial *serial) |
1da177e4 LT |
695 | { |
696 | struct device *dev = &serial->serial->dev->dev; | |
697 | int status = 0; | |
698 | struct ti_i2c_desc *rom_desc; | |
699 | int start_address = 2; | |
700 | __u8 *buffer; | |
701 | __u16 ttype; | |
702 | ||
2742fd88 | 703 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 704 | if (!rom_desc) { |
2742fd88 | 705 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
706 | return -ENOMEM; |
707 | } | |
2742fd88 | 708 | buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL); |
1da177e4 | 709 | if (!buffer) { |
2742fd88 AC |
710 | dev_err(dev, "%s - out of memory when allocating buffer\n", |
711 | __func__); | |
712 | kfree(rom_desc); | |
1da177e4 LT |
713 | return -ENOMEM; |
714 | } | |
715 | ||
2742fd88 AC |
716 | /* Read the first byte (Signature0) must be 0x52 or 0x10 */ |
717 | status = read_rom(serial, 0, 1, buffer); | |
1da177e4 | 718 | if (status) |
2742fd88 | 719 | goto out; |
1da177e4 LT |
720 | |
721 | if (*buffer != UMP5152 && *buffer != UMP3410) { | |
2742fd88 | 722 | dev_err(dev, "%s - invalid buffer signature\n", __func__); |
1da177e4 | 723 | status = -ENODEV; |
2742fd88 | 724 | goto out; |
1da177e4 LT |
725 | } |
726 | ||
727 | do { | |
2742fd88 AC |
728 | /* Validate the I2C */ |
729 | status = read_rom(serial, | |
1da177e4 LT |
730 | start_address, |
731 | sizeof(struct ti_i2c_desc), | |
732 | (__u8 *)rom_desc); | |
733 | if (status) | |
734 | break; | |
735 | ||
2742fd88 AC |
736 | if ((start_address + sizeof(struct ti_i2c_desc) + |
737 | rom_desc->Size) > TI_MAX_I2C_SIZE) { | |
1da177e4 | 738 | status = -ENODEV; |
2742fd88 | 739 | dbg("%s - structure too big, erroring out.", __func__); |
1da177e4 LT |
740 | break; |
741 | } | |
742 | ||
2742fd88 | 743 | dbg("%s Type = 0x%x", __func__, rom_desc->Type); |
1da177e4 | 744 | |
2742fd88 | 745 | /* Skip type 2 record */ |
1da177e4 | 746 | ttype = rom_desc->Type & 0x0f; |
2742fd88 AC |
747 | if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC |
748 | && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) { | |
749 | /* Read the descriptor data */ | |
750 | status = read_rom(serial, start_address + | |
751 | sizeof(struct ti_i2c_desc), | |
752 | rom_desc->Size, buffer); | |
1da177e4 LT |
753 | if (status) |
754 | break; | |
755 | ||
2742fd88 | 756 | status = valid_csum(rom_desc, buffer); |
1da177e4 LT |
757 | if (status) |
758 | break; | |
759 | } | |
2742fd88 AC |
760 | start_address = start_address + sizeof(struct ti_i2c_desc) + |
761 | rom_desc->Size; | |
1da177e4 | 762 | |
2742fd88 AC |
763 | } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && |
764 | (start_address < TI_MAX_I2C_SIZE)); | |
1da177e4 | 765 | |
2742fd88 AC |
766 | if ((rom_desc->Type != I2C_DESC_TYPE_ION) || |
767 | (start_address > TI_MAX_I2C_SIZE)) | |
1da177e4 LT |
768 | status = -ENODEV; |
769 | ||
2742fd88 AC |
770 | out: |
771 | kfree(buffer); | |
772 | kfree(rom_desc); | |
1da177e4 LT |
773 | return status; |
774 | } | |
775 | ||
2742fd88 | 776 | static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer) |
1da177e4 LT |
777 | { |
778 | int status; | |
779 | int start_address; | |
780 | struct ti_i2c_desc *rom_desc; | |
781 | struct edge_ti_manuf_descriptor *desc; | |
782 | ||
2742fd88 | 783 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 784 | if (!rom_desc) { |
2742fd88 AC |
785 | dev_err(&serial->serial->dev->dev, "%s - out of memory\n", |
786 | __func__); | |
1da177e4 LT |
787 | return -ENOMEM; |
788 | } | |
2742fd88 AC |
789 | start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION, |
790 | rom_desc); | |
1da177e4 LT |
791 | |
792 | if (!start_address) { | |
2742fd88 | 793 | dbg("%s - Edge Descriptor not found in I2C", __func__); |
1da177e4 LT |
794 | status = -ENODEV; |
795 | goto exit; | |
796 | } | |
797 | ||
2742fd88 AC |
798 | /* Read the descriptor data */ |
799 | status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc), | |
800 | rom_desc->Size, buffer); | |
1da177e4 LT |
801 | if (status) |
802 | goto exit; | |
2742fd88 AC |
803 | |
804 | status = valid_csum(rom_desc, buffer); | |
805 | ||
1da177e4 | 806 | desc = (struct edge_ti_manuf_descriptor *)buffer; |
2742fd88 AC |
807 | dbg("%s - IonConfig 0x%x", __func__, desc->IonConfig); |
808 | dbg("%s - Version %d", __func__, desc->Version); | |
809 | dbg("%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev); | |
810 | dbg("%s - NumPorts %d", __func__, desc->NumPorts); | |
811 | dbg("%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts); | |
812 | dbg("%s - TotalPorts %d", __func__, desc->TotalPorts); | |
1da177e4 LT |
813 | |
814 | exit: | |
2742fd88 | 815 | kfree(rom_desc); |
1da177e4 LT |
816 | return status; |
817 | } | |
818 | ||
819 | /* Build firmware header used for firmware update */ | |
2742fd88 | 820 | static int build_i2c_fw_hdr(__u8 *header, struct device *dev) |
1da177e4 LT |
821 | { |
822 | __u8 *buffer; | |
823 | int buffer_size; | |
824 | int i; | |
d12b219a | 825 | int err; |
1da177e4 LT |
826 | __u8 cs = 0; |
827 | struct ti_i2c_desc *i2c_header; | |
828 | struct ti_i2c_image_header *img_header; | |
829 | struct ti_i2c_firmware_rec *firmware_rec; | |
d12b219a JS |
830 | const struct firmware *fw; |
831 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 | 832 | |
2742fd88 AC |
833 | /* In order to update the I2C firmware we must change the type 2 record |
834 | * to type 0xF2. This will force the UMP to come up in Boot Mode. | |
835 | * Then while in boot mode, the driver will download the latest | |
836 | * firmware (padded to 15.5k) into the UMP ram. And finally when the | |
837 | * device comes back up in download mode the driver will cause the new | |
838 | * firmware to be copied from the UMP Ram to I2C and the firmware will | |
839 | * update the record type from 0xf2 to 0x02. | |
840 | */ | |
841 | ||
842 | /* Allocate a 15.5k buffer + 2 bytes for version number | |
843 | * (Firmware Record) */ | |
844 | buffer_size = (((1024 * 16) - 512 ) + | |
845 | sizeof(struct ti_i2c_firmware_rec)); | |
846 | ||
847 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 848 | if (!buffer) { |
2742fd88 | 849 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
850 | return -ENOMEM; |
851 | } | |
2742fd88 | 852 | |
1da177e4 | 853 | // Set entire image of 0xffs |
2742fd88 | 854 | memset(buffer, 0xff, buffer_size); |
1da177e4 | 855 | |
d12b219a JS |
856 | err = request_firmware(&fw, fw_name, dev); |
857 | if (err) { | |
858 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | |
859 | fw_name, err); | |
860 | kfree(buffer); | |
861 | return err; | |
862 | } | |
863 | ||
864 | /* Save Download Version Number */ | |
865 | OperationalMajorVersion = fw->data[0]; | |
866 | OperationalMinorVersion = fw->data[1]; | |
867 | OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); | |
868 | ||
2742fd88 | 869 | /* Copy version number into firmware record */ |
1da177e4 LT |
870 | firmware_rec = (struct ti_i2c_firmware_rec *)buffer; |
871 | ||
d12b219a JS |
872 | firmware_rec->Ver_Major = OperationalMajorVersion; |
873 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 | 874 | |
2742fd88 | 875 | /* Pointer to fw_down memory image */ |
d12b219a | 876 | img_header = (struct ti_i2c_image_header *)&fw->data[4]; |
1da177e4 | 877 | |
2742fd88 | 878 | memcpy(buffer + sizeof(struct ti_i2c_firmware_rec), |
d12b219a | 879 | &fw->data[4 + sizeof(struct ti_i2c_image_header)], |
1da177e4 LT |
880 | le16_to_cpu(img_header->Length)); |
881 | ||
d12b219a JS |
882 | release_firmware(fw); |
883 | ||
1da177e4 LT |
884 | for (i=0; i < buffer_size; i++) { |
885 | cs = (__u8)(cs + buffer[i]); | |
886 | } | |
887 | ||
2742fd88 | 888 | kfree(buffer); |
1da177e4 | 889 | |
2742fd88 | 890 | /* Build new header */ |
1da177e4 LT |
891 | i2c_header = (struct ti_i2c_desc *)header; |
892 | firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; | |
2742fd88 | 893 | |
1da177e4 LT |
894 | i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; |
895 | i2c_header->Size = (__u16)buffer_size; | |
896 | i2c_header->CheckSum = cs; | |
d12b219a JS |
897 | firmware_rec->Ver_Major = OperationalMajorVersion; |
898 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 LT |
899 | |
900 | return 0; | |
901 | } | |
902 | ||
903 | /* Try to figure out what type of I2c we have */ | |
2742fd88 | 904 | static int i2c_type_bootmode(struct edgeport_serial *serial) |
1da177e4 LT |
905 | { |
906 | int status; | |
e9305d2f JH |
907 | u8 *data; |
908 | ||
909 | data = kmalloc(1, GFP_KERNEL); | |
910 | if (!data) { | |
911 | dev_err(&serial->serial->dev->dev, | |
912 | "%s - out of memory\n", __func__); | |
913 | return -ENOMEM; | |
914 | } | |
2742fd88 AC |
915 | |
916 | /* Try to read type 2 */ | |
917 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 918 | DTK_ADDR_SPACE_I2C_TYPE_II, 0, data, 0x01); |
1da177e4 | 919 | if (status) |
2742fd88 | 920 | dbg("%s - read 2 status error = %d", __func__, status); |
1da177e4 | 921 | else |
e9305d2f JH |
922 | dbg("%s - read 2 data = 0x%x", __func__, *data); |
923 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { | |
2742fd88 | 924 | dbg("%s - ROM_TYPE_II", __func__); |
1da177e4 | 925 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f | 926 | goto out; |
1da177e4 LT |
927 | } |
928 | ||
2742fd88 AC |
929 | /* Try to read type 3 */ |
930 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 931 | DTK_ADDR_SPACE_I2C_TYPE_III, 0, data, 0x01); |
1da177e4 | 932 | if (status) |
2742fd88 | 933 | dbg("%s - read 3 status error = %d", __func__, status); |
1da177e4 | 934 | else |
e9305d2f JH |
935 | dbg("%s - read 2 data = 0x%x", __func__, *data); |
936 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { | |
2742fd88 | 937 | dbg("%s - ROM_TYPE_III", __func__); |
1da177e4 | 938 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III; |
e9305d2f | 939 | goto out; |
1da177e4 LT |
940 | } |
941 | ||
2742fd88 | 942 | dbg("%s - Unknown", __func__); |
1da177e4 | 943 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f JH |
944 | status = -ENODEV; |
945 | out: | |
946 | kfree(data); | |
947 | return status; | |
1da177e4 LT |
948 | } |
949 | ||
2742fd88 AC |
950 | static int bulk_xfer(struct usb_serial *serial, void *buffer, |
951 | int length, int *num_sent) | |
1da177e4 LT |
952 | { |
953 | int status; | |
954 | ||
2742fd88 AC |
955 | status = usb_bulk_msg(serial->dev, |
956 | usb_sndbulkpipe(serial->dev, | |
957 | serial->port[0]->bulk_out_endpointAddress), | |
958 | buffer, length, num_sent, 1000); | |
1da177e4 LT |
959 | return status; |
960 | } | |
961 | ||
962 | /* Download given firmware image to the device (IN BOOT MODE) */ | |
2742fd88 AC |
963 | static int download_code(struct edgeport_serial *serial, __u8 *image, |
964 | int image_length) | |
1da177e4 LT |
965 | { |
966 | int status = 0; | |
967 | int pos; | |
968 | int transfer; | |
969 | int done; | |
970 | ||
2742fd88 | 971 | /* Transfer firmware image */ |
1da177e4 | 972 | for (pos = 0; pos < image_length; ) { |
2742fd88 | 973 | /* Read the next buffer from file */ |
1da177e4 LT |
974 | transfer = image_length - pos; |
975 | if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE) | |
976 | transfer = EDGE_FW_BULK_MAX_PACKET_SIZE; | |
977 | ||
2742fd88 AC |
978 | /* Transfer data */ |
979 | status = bulk_xfer(serial->serial, &image[pos], | |
980 | transfer, &done); | |
1da177e4 LT |
981 | if (status) |
982 | break; | |
2742fd88 | 983 | /* Advance buffer pointer */ |
1da177e4 LT |
984 | pos += done; |
985 | } | |
986 | ||
987 | return status; | |
988 | } | |
989 | ||
2742fd88 AC |
990 | /* FIXME!!! */ |
991 | static int config_boot_dev(struct usb_device *dev) | |
1da177e4 LT |
992 | { |
993 | return 0; | |
994 | } | |
995 | ||
2742fd88 AC |
996 | static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc) |
997 | { | |
998 | return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev); | |
999 | } | |
1000 | ||
1da177e4 LT |
1001 | /** |
1002 | * DownloadTIFirmware - Download run-time operating firmware to the TI5052 | |
2742fd88 | 1003 | * |
1da177e4 LT |
1004 | * This routine downloads the main operating code into the TI5052, using the |
1005 | * boot code already burned into E2PROM or ROM. | |
1006 | */ | |
2742fd88 | 1007 | static int download_fw(struct edgeport_serial *serial) |
1da177e4 LT |
1008 | { |
1009 | struct device *dev = &serial->serial->dev->dev; | |
1010 | int status = 0; | |
1011 | int start_address; | |
1012 | struct edge_ti_manuf_descriptor *ti_manuf_desc; | |
1013 | struct usb_interface_descriptor *interface; | |
1014 | int download_cur_ver; | |
1015 | int download_new_ver; | |
1016 | ||
1017 | /* This routine is entered by both the BOOT mode and the Download mode | |
1018 | * We can determine which code is running by the reading the config | |
1019 | * descriptor and if we have only one bulk pipe it is in boot mode | |
1020 | */ | |
1021 | serial->product_info.hardware_type = HARDWARE_TYPE_TIUMP; | |
1022 | ||
1023 | /* Default to type 2 i2c */ | |
1024 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; | |
1025 | ||
2742fd88 | 1026 | status = choose_config(serial->serial->dev); |
1da177e4 LT |
1027 | if (status) |
1028 | return status; | |
1029 | ||
1030 | interface = &serial->serial->interface->cur_altsetting->desc; | |
1031 | if (!interface) { | |
2742fd88 | 1032 | dev_err(dev, "%s - no interface set, error!\n", __func__); |
1da177e4 LT |
1033 | return -ENODEV; |
1034 | } | |
1035 | ||
2742fd88 AC |
1036 | /* |
1037 | * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING | |
1038 | * if we have more than one endpoint we are definitely in download | |
1039 | * mode | |
1040 | */ | |
1da177e4 LT |
1041 | if (interface->bNumEndpoints > 1) |
1042 | serial->product_info.TiMode = TI_MODE_DOWNLOAD; | |
1043 | else | |
2742fd88 | 1044 | /* Otherwise we will remain in configuring mode */ |
1da177e4 LT |
1045 | serial->product_info.TiMode = TI_MODE_CONFIGURING; |
1046 | ||
1da177e4 LT |
1047 | /********************************************************************/ |
1048 | /* Download Mode */ | |
1049 | /********************************************************************/ | |
1050 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
1051 | struct ti_i2c_desc *rom_desc; | |
1052 | ||
9544e833 | 1053 | dbg("%s - RUNNING IN DOWNLOAD MODE", __func__); |
1da177e4 | 1054 | |
2742fd88 | 1055 | status = check_i2c_image(serial); |
1da177e4 | 1056 | if (status) { |
9544e833 | 1057 | dbg("%s - DOWNLOAD MODE -- BAD I2C", __func__); |
1da177e4 LT |
1058 | return status; |
1059 | } | |
2742fd88 | 1060 | |
1da177e4 LT |
1061 | /* Validate Hardware version number |
1062 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1063 | */ | |
2742fd88 | 1064 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1065 | if (!ti_manuf_desc) { |
2742fd88 | 1066 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1067 | return -ENOMEM; |
1068 | } | |
2742fd88 | 1069 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1070 | if (status) { |
2742fd88 | 1071 | kfree(ti_manuf_desc); |
1da177e4 LT |
1072 | return status; |
1073 | } | |
1074 | ||
2742fd88 AC |
1075 | /* Check version number of ION descriptor */ |
1076 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
1077 | dbg("%s - Wrong CPU Rev %d (Must be 2)", | |
1078 | __func__, ti_cpu_rev(ti_manuf_desc)); | |
1079 | kfree(ti_manuf_desc); | |
1080 | return -EINVAL; | |
1081 | } | |
1da177e4 | 1082 | |
2742fd88 | 1083 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 1084 | if (!rom_desc) { |
2742fd88 AC |
1085 | dev_err(dev, "%s - out of memory.\n", __func__); |
1086 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1087 | return -ENOMEM; |
1088 | } | |
1089 | ||
2742fd88 AC |
1090 | /* Search for type 2 record (firmware record) */ |
1091 | start_address = get_descriptor_addr(serial, | |
1092 | I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); | |
1093 | if (start_address != 0) { | |
1da177e4 | 1094 | struct ti_i2c_firmware_rec *firmware_version; |
e9305d2f | 1095 | u8 *record; |
1da177e4 | 1096 | |
2742fd88 AC |
1097 | dbg("%s - Found Type FIRMWARE (Type 2) record", |
1098 | __func__); | |
1da177e4 | 1099 | |
2742fd88 AC |
1100 | firmware_version = kmalloc(sizeof(*firmware_version), |
1101 | GFP_KERNEL); | |
1da177e4 | 1102 | if (!firmware_version) { |
2742fd88 AC |
1103 | dev_err(dev, "%s - out of memory.\n", __func__); |
1104 | kfree(rom_desc); | |
1105 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1106 | return -ENOMEM; |
1107 | } | |
1108 | ||
2742fd88 AC |
1109 | /* Validate version number |
1110 | * Read the descriptor data | |
1111 | */ | |
1112 | status = read_rom(serial, start_address + | |
1113 | sizeof(struct ti_i2c_desc), | |
1da177e4 LT |
1114 | sizeof(struct ti_i2c_firmware_rec), |
1115 | (__u8 *)firmware_version); | |
1116 | if (status) { | |
2742fd88 AC |
1117 | kfree(firmware_version); |
1118 | kfree(rom_desc); | |
1119 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1120 | return status; |
1121 | } | |
1122 | ||
2742fd88 AC |
1123 | /* Check version number of download with current |
1124 | version in I2c */ | |
1125 | download_cur_ver = (firmware_version->Ver_Major << 8) + | |
1da177e4 | 1126 | (firmware_version->Ver_Minor); |
d12b219a JS |
1127 | download_new_ver = (OperationalMajorVersion << 8) + |
1128 | (OperationalMinorVersion); | |
1da177e4 | 1129 | |
2742fd88 AC |
1130 | dbg("%s - >> FW Versions Device %d.%d Driver %d.%d", |
1131 | __func__, | |
1132 | firmware_version->Ver_Major, | |
1133 | firmware_version->Ver_Minor, | |
1134 | OperationalMajorVersion, | |
1135 | OperationalMinorVersion); | |
1da177e4 | 1136 | |
2742fd88 AC |
1137 | /* Check if we have an old version in the I2C and |
1138 | update if necessary */ | |
0827a9ff | 1139 | if (download_cur_ver < download_new_ver) { |
2742fd88 AC |
1140 | dbg("%s - Update I2C dld from %d.%d to %d.%d", |
1141 | __func__, | |
1142 | firmware_version->Ver_Major, | |
1143 | firmware_version->Ver_Minor, | |
1144 | OperationalMajorVersion, | |
1145 | OperationalMinorVersion); | |
1146 | ||
e9305d2f JH |
1147 | record = kmalloc(1, GFP_KERNEL); |
1148 | if (!record) { | |
1149 | dev_err(dev, "%s - out of memory.\n", | |
1150 | __func__); | |
1151 | kfree(firmware_version); | |
1152 | kfree(rom_desc); | |
1153 | kfree(ti_manuf_desc); | |
1154 | return -ENOMEM; | |
1155 | } | |
2742fd88 AC |
1156 | /* In order to update the I2C firmware we must |
1157 | * change the type 2 record to type 0xF2. This | |
1158 | * will force the UMP to come up in Boot Mode. | |
1159 | * Then while in boot mode, the driver will | |
1160 | * download the latest firmware (padded to | |
1161 | * 15.5k) into the UMP ram. Finally when the | |
1162 | * device comes back up in download mode the | |
1163 | * driver will cause the new firmware to be | |
1164 | * copied from the UMP Ram to I2C and the | |
1165 | * firmware will update the record type from | |
1166 | * 0xf2 to 0x02. | |
1167 | */ | |
e9305d2f | 1168 | *record = I2C_DESC_TYPE_FIRMWARE_BLANK; |
1da177e4 | 1169 | |
2742fd88 AC |
1170 | /* Change the I2C Firmware record type to |
1171 | 0xf2 to trigger an update */ | |
1172 | status = write_rom(serial, start_address, | |
e9305d2f | 1173 | sizeof(*record), record); |
1da177e4 | 1174 | if (status) { |
e9305d2f | 1175 | kfree(record); |
2742fd88 AC |
1176 | kfree(firmware_version); |
1177 | kfree(rom_desc); | |
1178 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1179 | return status; |
1180 | } | |
1181 | ||
2742fd88 AC |
1182 | /* verify the write -- must do this in order |
1183 | * for write to complete before we do the | |
1184 | * hardware reset | |
1185 | */ | |
1186 | status = read_rom(serial, | |
1da177e4 | 1187 | start_address, |
e9305d2f JH |
1188 | sizeof(*record), |
1189 | record); | |
1da177e4 | 1190 | if (status) { |
e9305d2f | 1191 | kfree(record); |
2742fd88 AC |
1192 | kfree(firmware_version); |
1193 | kfree(rom_desc); | |
1194 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1195 | return status; |
1196 | } | |
1197 | ||
e9305d2f | 1198 | if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) { |
2742fd88 AC |
1199 | dev_err(dev, |
1200 | "%s - error resetting device\n", | |
1201 | __func__); | |
e9305d2f | 1202 | kfree(record); |
2742fd88 AC |
1203 | kfree(firmware_version); |
1204 | kfree(rom_desc); | |
1205 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1206 | return -ENODEV; |
1207 | } | |
1208 | ||
2742fd88 | 1209 | dbg("%s - HARDWARE RESET", __func__); |
1da177e4 | 1210 | |
2742fd88 AC |
1211 | /* Reset UMP -- Back to BOOT MODE */ |
1212 | status = ti_vsend_sync(serial->serial->dev, | |
1213 | UMPC_HARDWARE_RESET, | |
1214 | 0, 0, NULL, 0); | |
1da177e4 | 1215 | |
2742fd88 AC |
1216 | dbg("%s - HARDWARE RESET return %d", |
1217 | __func__, status); | |
1da177e4 LT |
1218 | |
1219 | /* return an error on purpose. */ | |
e9305d2f | 1220 | kfree(record); |
2742fd88 AC |
1221 | kfree(firmware_version); |
1222 | kfree(rom_desc); | |
1223 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1224 | return -ENODEV; |
1225 | } | |
2742fd88 | 1226 | kfree(firmware_version); |
1da177e4 | 1227 | } |
2742fd88 AC |
1228 | /* Search for type 0xF2 record (firmware blank record) */ |
1229 | else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { | |
1230 | #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \ | |
1231 | sizeof(struct ti_i2c_firmware_rec)) | |
1da177e4 LT |
1232 | __u8 *header; |
1233 | __u8 *vheader; | |
1234 | ||
2742fd88 | 1235 | header = kmalloc(HEADER_SIZE, GFP_KERNEL); |
1da177e4 | 1236 | if (!header) { |
2742fd88 AC |
1237 | dev_err(dev, "%s - out of memory.\n", __func__); |
1238 | kfree(rom_desc); | |
1239 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1240 | return -ENOMEM; |
1241 | } | |
2742fd88 AC |
1242 | |
1243 | vheader = kmalloc(HEADER_SIZE, GFP_KERNEL); | |
1da177e4 | 1244 | if (!vheader) { |
2742fd88 AC |
1245 | dev_err(dev, "%s - out of memory.\n", __func__); |
1246 | kfree(header); | |
1247 | kfree(rom_desc); | |
1248 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1249 | return -ENOMEM; |
1250 | } | |
2742fd88 AC |
1251 | |
1252 | dbg("%s - Found Type BLANK FIRMWARE (Type F2) record", | |
1253 | __func__); | |
1254 | ||
1255 | /* | |
1256 | * In order to update the I2C firmware we must change | |
1257 | * the type 2 record to type 0xF2. This will force the | |
1258 | * UMP to come up in Boot Mode. Then while in boot | |
1259 | * mode, the driver will download the latest firmware | |
1260 | * (padded to 15.5k) into the UMP ram. Finally when the | |
1261 | * device comes back up in download mode the driver | |
1262 | * will cause the new firmware to be copied from the | |
1263 | * UMP Ram to I2C and the firmware will update the | |
1264 | * record type from 0xf2 to 0x02. | |
1265 | */ | |
1266 | status = build_i2c_fw_hdr(header, dev); | |
1da177e4 | 1267 | if (status) { |
2742fd88 AC |
1268 | kfree(vheader); |
1269 | kfree(header); | |
1270 | kfree(rom_desc); | |
1271 | kfree(ti_manuf_desc); | |
fd6e5bbb | 1272 | return -EINVAL; |
1da177e4 LT |
1273 | } |
1274 | ||
2742fd88 AC |
1275 | /* Update I2C with type 0xf2 record with correct |
1276 | size and checksum */ | |
1277 | status = write_rom(serial, | |
1da177e4 LT |
1278 | start_address, |
1279 | HEADER_SIZE, | |
1280 | header); | |
1281 | if (status) { | |
2742fd88 AC |
1282 | kfree(vheader); |
1283 | kfree(header); | |
1284 | kfree(rom_desc); | |
1285 | kfree(ti_manuf_desc); | |
9800eb33 | 1286 | return -EINVAL; |
1da177e4 LT |
1287 | } |
1288 | ||
2742fd88 AC |
1289 | /* verify the write -- must do this in order for |
1290 | write to complete before we do the hardware reset */ | |
1291 | status = read_rom(serial, start_address, | |
1292 | HEADER_SIZE, vheader); | |
1da177e4 LT |
1293 | |
1294 | if (status) { | |
2742fd88 AC |
1295 | dbg("%s - can't read header back", __func__); |
1296 | kfree(vheader); | |
1297 | kfree(header); | |
1298 | kfree(rom_desc); | |
1299 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1300 | return status; |
1301 | } | |
1302 | if (memcmp(vheader, header, HEADER_SIZE)) { | |
2742fd88 AC |
1303 | dbg("%s - write download record failed", |
1304 | __func__); | |
1305 | kfree(vheader); | |
1306 | kfree(header); | |
1307 | kfree(rom_desc); | |
1308 | kfree(ti_manuf_desc); | |
1e29709e | 1309 | return -EINVAL; |
1da177e4 LT |
1310 | } |
1311 | ||
2742fd88 AC |
1312 | kfree(vheader); |
1313 | kfree(header); | |
1da177e4 | 1314 | |
2742fd88 | 1315 | dbg("%s - Start firmware update", __func__); |
1da177e4 | 1316 | |
2742fd88 AC |
1317 | /* Tell firmware to copy download image into I2C */ |
1318 | status = ti_vsend_sync(serial->serial->dev, | |
1319 | UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0); | |
1da177e4 | 1320 | |
2742fd88 | 1321 | dbg("%s - Update complete 0x%x", __func__, status); |
1da177e4 | 1322 | if (status) { |
2742fd88 AC |
1323 | dev_err(dev, |
1324 | "%s - UMPC_COPY_DNLD_TO_I2C failed\n", | |
1325 | __func__); | |
1326 | kfree(rom_desc); | |
1327 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1328 | return status; |
1329 | } | |
1330 | } | |
1331 | ||
1332 | // The device is running the download code | |
2742fd88 AC |
1333 | kfree(rom_desc); |
1334 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1335 | return 0; |
1336 | } | |
1337 | ||
1338 | /********************************************************************/ | |
1339 | /* Boot Mode */ | |
1340 | /********************************************************************/ | |
9544e833 | 1341 | dbg("%s - RUNNING IN BOOT MODE", __func__); |
1da177e4 | 1342 | |
2742fd88 AC |
1343 | /* Configure the TI device so we can use the BULK pipes for download */ |
1344 | status = config_boot_dev(serial->serial->dev); | |
1da177e4 LT |
1345 | if (status) |
1346 | return status; | |
1347 | ||
2742fd88 AC |
1348 | if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) |
1349 | != USB_VENDOR_ID_ION) { | |
1350 | dbg("%s - VID = 0x%x", __func__, | |
1da177e4 LT |
1351 | le16_to_cpu(serial->serial->dev->descriptor.idVendor)); |
1352 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; | |
2742fd88 | 1353 | goto stayinbootmode; |
1da177e4 LT |
1354 | } |
1355 | ||
2742fd88 AC |
1356 | /* We have an ION device (I2c Must be programmed) |
1357 | Determine I2C image type */ | |
1358 | if (i2c_type_bootmode(serial)) | |
1359 | goto stayinbootmode; | |
1da177e4 | 1360 | |
2742fd88 AC |
1361 | /* Check for ION Vendor ID and that the I2C is valid */ |
1362 | if (!check_i2c_image(serial)) { | |
1da177e4 LT |
1363 | struct ti_i2c_image_header *header; |
1364 | int i; | |
1365 | __u8 cs = 0; | |
1366 | __u8 *buffer; | |
1367 | int buffer_size; | |
d12b219a JS |
1368 | int err; |
1369 | const struct firmware *fw; | |
1370 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 LT |
1371 | |
1372 | /* Validate Hardware version number | |
1373 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1374 | */ | |
2742fd88 | 1375 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1376 | if (!ti_manuf_desc) { |
2742fd88 | 1377 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1378 | return -ENOMEM; |
1379 | } | |
2742fd88 | 1380 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1381 | if (status) { |
2742fd88 AC |
1382 | kfree(ti_manuf_desc); |
1383 | goto stayinbootmode; | |
1da177e4 LT |
1384 | } |
1385 | ||
2742fd88 AC |
1386 | /* Check for version 2 */ |
1387 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
1388 | dbg("%s - Wrong CPU Rev %d (Must be 2)", | |
1389 | __func__, ti_cpu_rev(ti_manuf_desc)); | |
1390 | kfree(ti_manuf_desc); | |
1391 | goto stayinbootmode; | |
1da177e4 LT |
1392 | } |
1393 | ||
2742fd88 | 1394 | kfree(ti_manuf_desc); |
1da177e4 | 1395 | |
1da177e4 | 1396 | /* |
2742fd88 AC |
1397 | * In order to update the I2C firmware we must change the type |
1398 | * 2 record to type 0xF2. This will force the UMP to come up | |
1399 | * in Boot Mode. Then while in boot mode, the driver will | |
1400 | * download the latest firmware (padded to 15.5k) into the | |
1401 | * UMP ram. Finally when the device comes back up in download | |
1402 | * mode the driver will cause the new firmware to be copied | |
1403 | * from the UMP Ram to I2C and the firmware will update the | |
1404 | * record type from 0xf2 to 0x02. | |
1405 | * | |
1da177e4 LT |
1406 | * Do we really have to copy the whole firmware image, |
1407 | * or could we do this in place! | |
1408 | */ | |
1409 | ||
2742fd88 AC |
1410 | /* Allocate a 15.5k buffer + 3 byte header */ |
1411 | buffer_size = (((1024 * 16) - 512) + | |
1412 | sizeof(struct ti_i2c_image_header)); | |
1413 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 1414 | if (!buffer) { |
2742fd88 | 1415 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
1416 | return -ENOMEM; |
1417 | } | |
2742fd88 AC |
1418 | |
1419 | /* Initialize the buffer to 0xff (pad the buffer) */ | |
1420 | memset(buffer, 0xff, buffer_size); | |
1da177e4 | 1421 | |
d12b219a JS |
1422 | err = request_firmware(&fw, fw_name, dev); |
1423 | if (err) { | |
1424 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | |
1425 | fw_name, err); | |
1426 | kfree(buffer); | |
1427 | return err; | |
1428 | } | |
1429 | memcpy(buffer, &fw->data[4], fw->size - 4); | |
1430 | release_firmware(fw); | |
1da177e4 | 1431 | |
2742fd88 AC |
1432 | for (i = sizeof(struct ti_i2c_image_header); |
1433 | i < buffer_size; i++) { | |
1da177e4 LT |
1434 | cs = (__u8)(cs + buffer[i]); |
1435 | } | |
2742fd88 | 1436 | |
1da177e4 | 1437 | header = (struct ti_i2c_image_header *)buffer; |
2742fd88 AC |
1438 | |
1439 | /* update length and checksum after padding */ | |
1440 | header->Length = cpu_to_le16((__u16)(buffer_size - | |
1441 | sizeof(struct ti_i2c_image_header))); | |
1da177e4 LT |
1442 | header->CheckSum = cs; |
1443 | ||
2742fd88 AC |
1444 | /* Download the operational code */ |
1445 | dbg("%s - Downloading operational code image (TI UMP)", | |
1446 | __func__); | |
1447 | status = download_code(serial, buffer, buffer_size); | |
1da177e4 | 1448 | |
2742fd88 | 1449 | kfree(buffer); |
1da177e4 LT |
1450 | |
1451 | if (status) { | |
2742fd88 AC |
1452 | dbg("%s - Error downloading operational code image", |
1453 | __func__); | |
1da177e4 LT |
1454 | return status; |
1455 | } | |
1456 | ||
2742fd88 | 1457 | /* Device will reboot */ |
1da177e4 LT |
1458 | serial->product_info.TiMode = TI_MODE_TRANSITIONING; |
1459 | ||
2742fd88 AC |
1460 | dbg("%s - Download successful -- Device rebooting...", |
1461 | __func__); | |
1da177e4 LT |
1462 | |
1463 | /* return an error on purpose */ | |
1464 | return -ENODEV; | |
1465 | } | |
1466 | ||
2742fd88 AC |
1467 | stayinbootmode: |
1468 | /* Eprom is invalid or blank stay in boot mode */ | |
9544e833 | 1469 | dbg("%s - STAYING IN BOOT MODE", __func__); |
1da177e4 LT |
1470 | serial->product_info.TiMode = TI_MODE_BOOT; |
1471 | ||
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | ||
2742fd88 | 1476 | static int ti_do_config(struct edgeport_port *port, int feature, int on) |
1da177e4 LT |
1477 | { |
1478 | int port_number = port->port->number - port->port->serial->minor; | |
2742fd88 AC |
1479 | on = !!on; /* 1 or 0 not bitmask */ |
1480 | return send_cmd(port->port->serial->dev, | |
1481 | feature, (__u8)(UMPM_UART1_PORT + port_number), | |
1482 | on, NULL, 0); | |
1da177e4 LT |
1483 | } |
1484 | ||
1da177e4 | 1485 | |
2742fd88 | 1486 | static int restore_mcr(struct edgeport_port *port, __u8 mcr) |
1da177e4 LT |
1487 | { |
1488 | int status = 0; | |
1489 | ||
2742fd88 | 1490 | dbg("%s - %x", __func__, mcr); |
1da177e4 | 1491 | |
2742fd88 | 1492 | status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR); |
1da177e4 LT |
1493 | if (status) |
1494 | return status; | |
2742fd88 | 1495 | status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS); |
1da177e4 LT |
1496 | if (status) |
1497 | return status; | |
2742fd88 | 1498 | return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK); |
1da177e4 LT |
1499 | } |
1500 | ||
1da177e4 | 1501 | /* Convert TI LSR to standard UART flags */ |
2742fd88 | 1502 | static __u8 map_line_status(__u8 ti_lsr) |
1da177e4 LT |
1503 | { |
1504 | __u8 lsr = 0; | |
1505 | ||
1506 | #define MAP_FLAG(flagUmp, flagUart) \ | |
1507 | if (ti_lsr & flagUmp) \ | |
1508 | lsr |= flagUart; | |
1509 | ||
1510 | MAP_FLAG(UMP_UART_LSR_OV_MASK, LSR_OVER_ERR) /* overrun */ | |
1511 | MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */ | |
1512 | MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */ | |
1513 | MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */ | |
2742fd88 AC |
1514 | MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */ |
1515 | MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */ | |
1da177e4 LT |
1516 | |
1517 | #undef MAP_FLAG | |
1518 | ||
1519 | return lsr; | |
1520 | } | |
1521 | ||
2742fd88 | 1522 | static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) |
1da177e4 LT |
1523 | { |
1524 | struct async_icount *icount; | |
1525 | struct tty_struct *tty; | |
1526 | ||
2742fd88 | 1527 | dbg("%s - %02x", __func__, msr); |
1da177e4 | 1528 | |
2742fd88 AC |
1529 | if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | |
1530 | EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { | |
1da177e4 LT |
1531 | icount = &edge_port->icount; |
1532 | ||
1533 | /* update input line counters */ | |
1534 | if (msr & EDGEPORT_MSR_DELTA_CTS) | |
1535 | icount->cts++; | |
1536 | if (msr & EDGEPORT_MSR_DELTA_DSR) | |
1537 | icount->dsr++; | |
1538 | if (msr & EDGEPORT_MSR_DELTA_CD) | |
1539 | icount->dcd++; | |
1540 | if (msr & EDGEPORT_MSR_DELTA_RI) | |
1541 | icount->rng++; | |
2742fd88 | 1542 | wake_up_interruptible(&edge_port->delta_msr_wait); |
1da177e4 LT |
1543 | } |
1544 | ||
1545 | /* Save the new modem status */ | |
1546 | edge_port->shadow_msr = msr & 0xf0; | |
1547 | ||
4a90f09b | 1548 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 LT |
1549 | /* handle CTS flow control */ |
1550 | if (tty && C_CRTSCTS(tty)) { | |
1551 | if (msr & EDGEPORT_MSR_CTS) { | |
1552 | tty->hw_stopped = 0; | |
1553 | tty_wakeup(tty); | |
1554 | } else { | |
1555 | tty->hw_stopped = 1; | |
1556 | } | |
1557 | } | |
4a90f09b | 1558 | tty_kref_put(tty); |
1da177e4 LT |
1559 | } |
1560 | ||
2742fd88 AC |
1561 | static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, |
1562 | __u8 lsr, __u8 data) | |
1da177e4 LT |
1563 | { |
1564 | struct async_icount *icount; | |
2742fd88 AC |
1565 | __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | |
1566 | LSR_FRM_ERR | LSR_BREAK)); | |
4a90f09b | 1567 | struct tty_struct *tty; |
1da177e4 | 1568 | |
2742fd88 | 1569 | dbg("%s - %02x", __func__, new_lsr); |
1da177e4 LT |
1570 | |
1571 | edge_port->shadow_lsr = lsr; | |
1572 | ||
2742fd88 | 1573 | if (new_lsr & LSR_BREAK) |
1da177e4 LT |
1574 | /* |
1575 | * Parity and Framing errors only count if they | |
1576 | * occur exclusive of a break being received. | |
1577 | */ | |
1578 | new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); | |
1da177e4 LT |
1579 | |
1580 | /* Place LSR data byte into Rx buffer */ | |
4a90f09b AC |
1581 | if (lsr_data) { |
1582 | tty = tty_port_tty_get(&edge_port->port->port); | |
1583 | if (tty) { | |
1584 | edge_tty_recv(&edge_port->port->dev, tty, &data, 1); | |
1585 | tty_kref_put(tty); | |
1586 | } | |
1587 | } | |
1da177e4 LT |
1588 | |
1589 | /* update input line counters */ | |
1590 | icount = &edge_port->icount; | |
1591 | if (new_lsr & LSR_BREAK) | |
1592 | icount->brk++; | |
1593 | if (new_lsr & LSR_OVER_ERR) | |
1594 | icount->overrun++; | |
1595 | if (new_lsr & LSR_PAR_ERR) | |
1596 | icount->parity++; | |
1597 | if (new_lsr & LSR_FRM_ERR) | |
1598 | icount->frame++; | |
1599 | } | |
1600 | ||
1601 | ||
2742fd88 | 1602 | static void edge_interrupt_callback(struct urb *urb) |
1da177e4 | 1603 | { |
cdc97792 | 1604 | struct edgeport_serial *edge_serial = urb->context; |
1da177e4 LT |
1605 | struct usb_serial_port *port; |
1606 | struct edgeport_port *edge_port; | |
1607 | unsigned char *data = urb->transfer_buffer; | |
1608 | int length = urb->actual_length; | |
1609 | int port_number; | |
1610 | int function; | |
ee337c21 | 1611 | int retval; |
1da177e4 LT |
1612 | __u8 lsr; |
1613 | __u8 msr; | |
ee337c21 | 1614 | int status = urb->status; |
1da177e4 | 1615 | |
441b62c1 | 1616 | dbg("%s", __func__); |
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 */ | |
ee337c21 | 1626 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1627 | __func__, status); |
1da177e4 LT |
1628 | return; |
1629 | default: | |
ee337c21 | 1630 | dev_err(&urb->dev->dev, "%s - nonzero urb status received: " |
441b62c1 | 1631 | "%d\n", __func__, status); |
1da177e4 LT |
1632 | goto exit; |
1633 | } | |
1634 | ||
1635 | if (!length) { | |
2742fd88 | 1636 | dbg("%s - no data in urb", __func__); |
1da177e4 LT |
1637 | goto exit; |
1638 | } | |
2742fd88 AC |
1639 | |
1640 | usb_serial_debug_data(debug, &edge_serial->serial->dev->dev, | |
1641 | __func__, length, data); | |
1642 | ||
1da177e4 | 1643 | if (length != 2) { |
2742fd88 AC |
1644 | dbg("%s - expecting packet of size 2, got %d", |
1645 | __func__, length); | |
1da177e4 LT |
1646 | goto exit; |
1647 | } | |
1648 | ||
2742fd88 AC |
1649 | port_number = TIUMP_GET_PORT_FROM_CODE(data[0]); |
1650 | function = TIUMP_GET_FUNC_FROM_CODE(data[0]); | |
1651 | dbg("%s - port_number %d, function %d, info 0x%x", | |
441b62c1 | 1652 | __func__, port_number, function, data[1]); |
1da177e4 LT |
1653 | port = edge_serial->serial->port[port_number]; |
1654 | edge_port = usb_get_serial_port_data(port); | |
1655 | if (!edge_port) { | |
2742fd88 | 1656 | dbg("%s - edge_port not found", __func__); |
1da177e4 LT |
1657 | return; |
1658 | } | |
1659 | switch (function) { | |
1660 | case TIUMP_INTERRUPT_CODE_LSR: | |
2742fd88 | 1661 | lsr = map_line_status(data[1]); |
1da177e4 | 1662 | if (lsr & UMP_UART_LSR_DATA_MASK) { |
2742fd88 AC |
1663 | /* Save the LSR event for bulk read |
1664 | completion routine */ | |
1665 | dbg("%s - LSR Event Port %u LSR Status = %02x", | |
441b62c1 | 1666 | __func__, port_number, lsr); |
1da177e4 LT |
1667 | edge_port->lsr_event = 1; |
1668 | edge_port->lsr_mask = lsr; | |
1669 | } else { | |
2742fd88 | 1670 | dbg("%s - ===== Port %d LSR Status = %02x ======", |
441b62c1 | 1671 | __func__, port_number, lsr); |
2742fd88 | 1672 | handle_new_lsr(edge_port, 0, lsr, 0); |
1da177e4 LT |
1673 | } |
1674 | break; | |
1675 | ||
2742fd88 | 1676 | case TIUMP_INTERRUPT_CODE_MSR: /* MSR */ |
1da177e4 LT |
1677 | /* Copy MSR from UMP */ |
1678 | msr = data[1]; | |
759f3634 | 1679 | dbg("%s - ===== Port %u MSR Status = %02x ======", |
441b62c1 | 1680 | __func__, port_number, msr); |
2742fd88 | 1681 | handle_new_msr(edge_port, msr); |
1da177e4 LT |
1682 | break; |
1683 | ||
1684 | default: | |
2742fd88 AC |
1685 | dev_err(&urb->dev->dev, |
1686 | "%s - Unknown Interrupt code from UMP %x\n", | |
1687 | __func__, data[1]); | |
1da177e4 | 1688 | break; |
2742fd88 | 1689 | |
1da177e4 LT |
1690 | } |
1691 | ||
1692 | exit: | |
2742fd88 | 1693 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
ee337c21 | 1694 | if (retval) |
2742fd88 AC |
1695 | dev_err(&urb->dev->dev, |
1696 | "%s - usb_submit_urb failed with result %d\n", | |
441b62c1 | 1697 | __func__, retval); |
1da177e4 LT |
1698 | } |
1699 | ||
2742fd88 | 1700 | static void edge_bulk_in_callback(struct urb *urb) |
1da177e4 | 1701 | { |
cdc97792 | 1702 | struct edgeport_port *edge_port = urb->context; |
1da177e4 LT |
1703 | unsigned char *data = urb->transfer_buffer; |
1704 | struct tty_struct *tty; | |
ee337c21 | 1705 | int retval = 0; |
1da177e4 | 1706 | int port_number; |
ee337c21 | 1707 | int status = urb->status; |
1da177e4 | 1708 | |
441b62c1 | 1709 | dbg("%s", __func__); |
1da177e4 | 1710 | |
ee337c21 | 1711 | switch (status) { |
1da177e4 LT |
1712 | case 0: |
1713 | /* success */ | |
1714 | break; | |
1715 | case -ECONNRESET: | |
1716 | case -ENOENT: | |
1717 | case -ESHUTDOWN: | |
1718 | /* this urb is terminated, clean up */ | |
ee337c21 | 1719 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1720 | __func__, status); |
1da177e4 LT |
1721 | return; |
1722 | default: | |
2742fd88 AC |
1723 | dev_err(&urb->dev->dev, |
1724 | "%s - nonzero read bulk status received: %d\n", | |
1725 | __func__, status); | |
1da177e4 LT |
1726 | } |
1727 | ||
ee337c21 | 1728 | if (status == -EPIPE) |
1da177e4 LT |
1729 | goto exit; |
1730 | ||
ee337c21 | 1731 | if (status) { |
2742fd88 | 1732 | dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__); |
1da177e4 LT |
1733 | return; |
1734 | } | |
1735 | ||
1736 | port_number = edge_port->port->number - edge_port->port->serial->minor; | |
1737 | ||
1738 | if (edge_port->lsr_event) { | |
1739 | edge_port->lsr_event = 0; | |
2742fd88 | 1740 | dbg("%s ===== Port %u LSR Status = %02x, Data = %02x ======", |
441b62c1 | 1741 | __func__, port_number, edge_port->lsr_mask, *data); |
2742fd88 | 1742 | handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data); |
1da177e4 LT |
1743 | /* Adjust buffer length/pointer */ |
1744 | --urb->actual_length; | |
1745 | ++data; | |
1746 | } | |
1747 | ||
4a90f09b | 1748 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 | 1749 | if (tty && urb->actual_length) { |
2742fd88 AC |
1750 | usb_serial_debug_data(debug, &edge_port->port->dev, |
1751 | __func__, urb->actual_length, data); | |
1752 | if (edge_port->close_pending) | |
1753 | dbg("%s - close pending, dropping data on the floor", | |
1754 | __func__); | |
1755 | else | |
1756 | edge_tty_recv(&edge_port->port->dev, tty, data, | |
1757 | urb->actual_length); | |
1da177e4 LT |
1758 | edge_port->icount.rx += urb->actual_length; |
1759 | } | |
4a90f09b | 1760 | tty_kref_put(tty); |
1da177e4 LT |
1761 | |
1762 | exit: | |
1763 | /* continue read unless stopped */ | |
1764 | spin_lock(&edge_port->ep_lock); | |
5833041f | 1765 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) |
ee337c21 | 1766 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
5833041f | 1767 | else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) |
1da177e4 | 1768 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED; |
5833041f | 1769 | |
1da177e4 | 1770 | spin_unlock(&edge_port->ep_lock); |
ee337c21 | 1771 | if (retval) |
2742fd88 AC |
1772 | dev_err(&urb->dev->dev, |
1773 | "%s - usb_submit_urb failed with result %d\n", | |
441b62c1 | 1774 | __func__, retval); |
1da177e4 LT |
1775 | } |
1776 | ||
2742fd88 AC |
1777 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
1778 | unsigned char *data, int length) | |
1da177e4 | 1779 | { |
2742fd88 | 1780 | int queued; |
1da177e4 | 1781 | |
2742fd88 AC |
1782 | queued = tty_insert_flip_string(tty, data, length); |
1783 | if (queued < length) | |
1784 | dev_err(dev, "%s - dropping data, %d bytes lost\n", | |
1785 | __func__, length - queued); | |
1da177e4 LT |
1786 | tty_flip_buffer_push(tty); |
1787 | } | |
1788 | ||
2742fd88 | 1789 | static void edge_bulk_out_callback(struct urb *urb) |
1da177e4 | 1790 | { |
cdc97792 | 1791 | struct usb_serial_port *port = urb->context; |
1da177e4 | 1792 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
ee337c21 | 1793 | int status = urb->status; |
4a90f09b | 1794 | struct tty_struct *tty; |
1da177e4 | 1795 | |
2742fd88 | 1796 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
1797 | |
1798 | edge_port->ep_write_urb_in_use = 0; | |
1799 | ||
ee337c21 | 1800 | switch (status) { |
1da177e4 LT |
1801 | case 0: |
1802 | /* success */ | |
1803 | break; | |
1804 | case -ECONNRESET: | |
1805 | case -ENOENT: | |
1806 | case -ESHUTDOWN: | |
1807 | /* this urb is terminated, clean up */ | |
ee337c21 | 1808 | dbg("%s - urb shutting down with status: %d", |
441b62c1 | 1809 | __func__, status); |
1da177e4 LT |
1810 | return; |
1811 | default: | |
22a416c4 | 1812 | dev_err_console(port, "%s - nonzero write bulk status " |
441b62c1 | 1813 | "received: %d\n", __func__, status); |
1da177e4 LT |
1814 | } |
1815 | ||
1816 | /* send any buffered data */ | |
4a90f09b AC |
1817 | tty = tty_port_tty_get(&port->port); |
1818 | edge_send(tty); | |
1819 | tty_kref_put(tty); | |
1da177e4 LT |
1820 | } |
1821 | ||
a509a7e4 | 1822 | static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 LT |
1823 | { |
1824 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1825 | struct edgeport_serial *edge_serial; | |
1826 | struct usb_device *dev; | |
1827 | struct urb *urb; | |
1828 | int port_number; | |
1829 | int status; | |
1830 | u16 open_settings; | |
1831 | u8 transaction_timeout; | |
1832 | ||
441b62c1 | 1833 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
1834 | |
1835 | if (edge_port == NULL) | |
1836 | return -ENODEV; | |
1837 | ||
1da177e4 LT |
1838 | port_number = port->number - port->serial->minor; |
1839 | switch (port_number) { | |
2742fd88 AC |
1840 | case 0: |
1841 | edge_port->uart_base = UMPMEM_BASE_UART1; | |
1842 | edge_port->dma_address = UMPD_OEDB1_ADDRESS; | |
1843 | break; | |
1844 | case 1: | |
1845 | edge_port->uart_base = UMPMEM_BASE_UART2; | |
1846 | edge_port->dma_address = UMPD_OEDB2_ADDRESS; | |
1847 | break; | |
1848 | default: | |
1849 | dev_err(&port->dev, "Unknown port number!!!\n"); | |
1850 | return -ENODEV; | |
1da177e4 LT |
1851 | } |
1852 | ||
2742fd88 AC |
1853 | dbg("%s - port_number = %d, uart_base = %04x, dma_address = %04x", |
1854 | __func__, port_number, edge_port->uart_base, | |
1855 | edge_port->dma_address); | |
1da177e4 LT |
1856 | |
1857 | dev = port->serial->dev; | |
1858 | ||
2742fd88 AC |
1859 | memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); |
1860 | init_waitqueue_head(&edge_port->delta_msr_wait); | |
1da177e4 LT |
1861 | |
1862 | /* turn off loopback */ | |
2742fd88 | 1863 | status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); |
1da177e4 | 1864 | if (status) { |
2742fd88 AC |
1865 | dev_err(&port->dev, |
1866 | "%s - cannot send clear loopback command, %d\n", | |
441b62c1 | 1867 | __func__, status); |
1da177e4 LT |
1868 | return status; |
1869 | } | |
2742fd88 | 1870 | |
1da177e4 | 1871 | /* set up the port settings */ |
95da310e | 1872 | if (tty) |
adc8d746 | 1873 | edge_set_termios(tty, port, &tty->termios); |
1da177e4 LT |
1874 | |
1875 | /* open up the port */ | |
1876 | ||
1877 | /* milliseconds to timeout for DMA transfer */ | |
1878 | transaction_timeout = 2; | |
1879 | ||
2742fd88 AC |
1880 | edge_port->ump_read_timeout = |
1881 | max(20, ((transaction_timeout * 3) / 2)); | |
1da177e4 | 1882 | |
2742fd88 AC |
1883 | /* milliseconds to timeout for DMA transfer */ |
1884 | open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | | |
1885 | UMP_PIPE_TRANS_TIMEOUT_ENA | | |
1da177e4 LT |
1886 | (transaction_timeout << 2)); |
1887 | ||
2742fd88 | 1888 | dbg("%s - Sending UMPC_OPEN_PORT", __func__); |
1da177e4 LT |
1889 | |
1890 | /* Tell TI to open and start the port */ | |
2742fd88 AC |
1891 | status = send_cmd(dev, UMPC_OPEN_PORT, |
1892 | (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0); | |
1da177e4 | 1893 | if (status) { |
2742fd88 AC |
1894 | dev_err(&port->dev, "%s - cannot send open command, %d\n", |
1895 | __func__, status); | |
1da177e4 LT |
1896 | return status; |
1897 | } | |
1898 | ||
1899 | /* Start the DMA? */ | |
2742fd88 AC |
1900 | status = send_cmd(dev, UMPC_START_PORT, |
1901 | (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0); | |
1da177e4 | 1902 | if (status) { |
2742fd88 AC |
1903 | dev_err(&port->dev, "%s - cannot send start DMA command, %d\n", |
1904 | __func__, status); | |
1da177e4 LT |
1905 | return status; |
1906 | } | |
1907 | ||
1908 | /* Clear TX and RX buffers in UMP */ | |
2742fd88 | 1909 | status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); |
1da177e4 | 1910 | if (status) { |
2742fd88 AC |
1911 | dev_err(&port->dev, |
1912 | "%s - cannot send clear buffers command, %d\n", | |
1913 | __func__, status); | |
1da177e4 LT |
1914 | return status; |
1915 | } | |
1916 | ||
1917 | /* Read Initial MSR */ | |
2742fd88 AC |
1918 | status = ti_vread_sync(dev, UMPC_READ_MSR, 0, |
1919 | (__u16)(UMPM_UART1_PORT + port_number), | |
1920 | &edge_port->shadow_msr, 1); | |
1da177e4 | 1921 | if (status) { |
2742fd88 AC |
1922 | dev_err(&port->dev, "%s - cannot send read MSR command, %d\n", |
1923 | __func__, status); | |
1da177e4 LT |
1924 | return status; |
1925 | } | |
1926 | ||
2742fd88 AC |
1927 | dbg("ShadowMSR 0x%X", edge_port->shadow_msr); |
1928 | ||
1da177e4 LT |
1929 | /* Set Initial MCR */ |
1930 | edge_port->shadow_mcr = MCR_RTS | MCR_DTR; | |
2742fd88 | 1931 | dbg("ShadowMCR 0x%X", edge_port->shadow_mcr); |
1da177e4 LT |
1932 | |
1933 | edge_serial = edge_port->edge_serial; | |
241ca64f | 1934 | if (mutex_lock_interruptible(&edge_serial->es_lock)) |
1da177e4 LT |
1935 | return -ERESTARTSYS; |
1936 | if (edge_serial->num_ports_open == 0) { | |
2742fd88 | 1937 | /* we are the first port to open, post the interrupt urb */ |
1da177e4 LT |
1938 | urb = edge_serial->serial->port[0]->interrupt_in_urb; |
1939 | if (!urb) { | |
2742fd88 AC |
1940 | dev_err(&port->dev, |
1941 | "%s - no interrupt urb present, exiting\n", | |
1942 | __func__); | |
1da177e4 | 1943 | status = -EINVAL; |
241ca64f | 1944 | goto release_es_lock; |
1da177e4 | 1945 | } |
1da177e4 | 1946 | urb->context = edge_serial; |
2742fd88 | 1947 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1948 | if (status) { |
2742fd88 AC |
1949 | dev_err(&port->dev, |
1950 | "%s - usb_submit_urb failed with value %d\n", | |
1951 | __func__, status); | |
241ca64f | 1952 | goto release_es_lock; |
1da177e4 LT |
1953 | } |
1954 | } | |
1955 | ||
1956 | /* | |
1957 | * reset the data toggle on the bulk endpoints to work around bug in | |
1958 | * host controllers where things get out of sync some times | |
1959 | */ | |
2742fd88 AC |
1960 | usb_clear_halt(dev, port->write_urb->pipe); |
1961 | usb_clear_halt(dev, port->read_urb->pipe); | |
1da177e4 LT |
1962 | |
1963 | /* start up our bulk read urb */ | |
1964 | urb = port->read_urb; | |
1965 | if (!urb) { | |
2742fd88 AC |
1966 | dev_err(&port->dev, "%s - no read urb present, exiting\n", |
1967 | __func__); | |
1da177e4 LT |
1968 | status = -EINVAL; |
1969 | goto unlink_int_urb; | |
1970 | } | |
1971 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
1da177e4 | 1972 | urb->context = edge_port; |
2742fd88 | 1973 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1974 | if (status) { |
2742fd88 AC |
1975 | dev_err(&port->dev, |
1976 | "%s - read bulk usb_submit_urb failed with value %d\n", | |
1977 | __func__, status); | |
1da177e4 LT |
1978 | goto unlink_int_urb; |
1979 | } | |
1980 | ||
1981 | ++edge_serial->num_ports_open; | |
1982 | ||
441b62c1 | 1983 | dbg("%s - exited", __func__); |
1da177e4 | 1984 | |
241ca64f | 1985 | goto release_es_lock; |
1da177e4 LT |
1986 | |
1987 | unlink_int_urb: | |
1988 | if (edge_port->edge_serial->num_ports_open == 0) | |
1989 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
241ca64f MK |
1990 | release_es_lock: |
1991 | mutex_unlock(&edge_serial->es_lock); | |
1da177e4 LT |
1992 | return status; |
1993 | } | |
1994 | ||
335f8514 | 1995 | static void edge_close(struct usb_serial_port *port) |
1da177e4 LT |
1996 | { |
1997 | struct edgeport_serial *edge_serial; | |
1998 | struct edgeport_port *edge_port; | |
af581059 | 1999 | struct usb_serial *serial = port->serial; |
1da177e4 | 2000 | int port_number; |
1da177e4 | 2001 | |
441b62c1 | 2002 | dbg("%s - port %d", __func__, port->number); |
2742fd88 | 2003 | |
1da177e4 LT |
2004 | edge_serial = usb_get_serial_data(port->serial); |
2005 | edge_port = usb_get_serial_port_data(port); | |
2742fd88 | 2006 | if (edge_serial == NULL || edge_port == NULL) |
1da177e4 | 2007 | return; |
2742fd88 AC |
2008 | |
2009 | /* The bulkreadcompletion routine will check | |
1da177e4 LT |
2010 | * this flag and dump add read data */ |
2011 | edge_port->close_pending = 1; | |
2012 | ||
2013 | /* chase the port close and flush */ | |
2742fd88 | 2014 | chase_port(edge_port, (HZ * closing_wait) / 100, 1); |
1da177e4 LT |
2015 | |
2016 | usb_kill_urb(port->read_urb); | |
2017 | usb_kill_urb(port->write_urb); | |
2018 | edge_port->ep_write_urb_in_use = 0; | |
2019 | ||
2020 | /* assuming we can still talk to the device, | |
2021 | * send a close port command to it */ | |
441b62c1 | 2022 | dbg("%s - send umpc_close_port", __func__); |
1da177e4 | 2023 | port_number = port->number - port->serial->minor; |
af581059 JH |
2024 | |
2025 | mutex_lock(&serial->disc_mutex); | |
2026 | if (!serial->disconnected) { | |
2027 | send_cmd(serial->dev, | |
1da177e4 LT |
2028 | UMPC_CLOSE_PORT, |
2029 | (__u8)(UMPM_UART1_PORT + port_number), | |
2030 | 0, | |
2031 | NULL, | |
2032 | 0); | |
af581059 JH |
2033 | } |
2034 | mutex_unlock(&serial->disc_mutex); | |
2035 | ||
241ca64f | 2036 | mutex_lock(&edge_serial->es_lock); |
1da177e4 LT |
2037 | --edge_port->edge_serial->num_ports_open; |
2038 | if (edge_port->edge_serial->num_ports_open <= 0) { | |
2039 | /* last port is now closed, let's shut down our interrupt urb */ | |
2040 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
2041 | edge_port->edge_serial->num_ports_open = 0; | |
2042 | } | |
241ca64f | 2043 | mutex_unlock(&edge_serial->es_lock); |
1da177e4 LT |
2044 | edge_port->close_pending = 0; |
2045 | ||
441b62c1 | 2046 | dbg("%s - exited", __func__); |
1da177e4 LT |
2047 | } |
2048 | ||
95da310e AC |
2049 | static int edge_write(struct tty_struct *tty, struct usb_serial_port *port, |
2050 | const unsigned char *data, int count) | |
1da177e4 LT |
2051 | { |
2052 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 | 2053 | |
441b62c1 | 2054 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2055 | |
2056 | if (count == 0) { | |
441b62c1 | 2057 | dbg("%s - write request of 0 bytes", __func__); |
1da177e4 LT |
2058 | return 0; |
2059 | } | |
2060 | ||
2061 | if (edge_port == NULL) | |
2062 | return -ENODEV; | |
2063 | if (edge_port->close_pending == 1) | |
2064 | return -ENODEV; | |
2065 | ||
d733cec1 JH |
2066 | count = kfifo_in_locked(&edge_port->write_fifo, data, count, |
2067 | &edge_port->ep_lock); | |
95da310e | 2068 | edge_send(tty); |
1da177e4 LT |
2069 | |
2070 | return count; | |
2071 | } | |
2072 | ||
95da310e | 2073 | static void edge_send(struct tty_struct *tty) |
1da177e4 | 2074 | { |
95da310e | 2075 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2076 | int count, result; |
2077 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 LT |
2078 | unsigned long flags; |
2079 | ||
2080 | ||
441b62c1 | 2081 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2082 | |
2083 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2084 | ||
2085 | if (edge_port->ep_write_urb_in_use) { | |
2086 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2087 | return; | |
2088 | } | |
2089 | ||
d733cec1 | 2090 | count = kfifo_out(&edge_port->write_fifo, |
1da177e4 LT |
2091 | port->write_urb->transfer_buffer, |
2092 | port->bulk_out_size); | |
2093 | ||
2094 | if (count == 0) { | |
2095 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2096 | return; | |
2097 | } | |
2098 | ||
2099 | edge_port->ep_write_urb_in_use = 1; | |
2100 | ||
2101 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2102 | ||
2742fd88 AC |
2103 | usb_serial_debug_data(debug, &port->dev, __func__, count, |
2104 | port->write_urb->transfer_buffer); | |
1da177e4 LT |
2105 | |
2106 | /* set up our urb */ | |
fd11961a | 2107 | port->write_urb->transfer_buffer_length = count; |
1da177e4 LT |
2108 | |
2109 | /* send the data out the bulk port */ | |
2110 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
2111 | if (result) { | |
22a416c4 | 2112 | dev_err_console(port, |
2742fd88 AC |
2113 | "%s - failed submitting write urb, error %d\n", |
2114 | __func__, result); | |
1da177e4 | 2115 | edge_port->ep_write_urb_in_use = 0; |
2742fd88 AC |
2116 | /* TODO: reschedule edge_send */ |
2117 | } else | |
1da177e4 | 2118 | edge_port->icount.tx += count; |
1da177e4 LT |
2119 | |
2120 | /* wakeup any process waiting for writes to complete */ | |
2121 | /* there is now more room in the buffer for new writes */ | |
2742fd88 | 2122 | if (tty) |
1da177e4 | 2123 | tty_wakeup(tty); |
1da177e4 LT |
2124 | } |
2125 | ||
95da310e | 2126 | static int edge_write_room(struct tty_struct *tty) |
1da177e4 | 2127 | { |
95da310e | 2128 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2129 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2130 | int room = 0; | |
2131 | unsigned long flags; | |
2132 | ||
441b62c1 | 2133 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2134 | |
2135 | if (edge_port == NULL) | |
2742fd88 | 2136 | return 0; |
1da177e4 | 2137 | if (edge_port->close_pending == 1) |
2742fd88 | 2138 | return 0; |
1da177e4 LT |
2139 | |
2140 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2141 | room = kfifo_avail(&edge_port->write_fifo); |
1da177e4 LT |
2142 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2143 | ||
441b62c1 | 2144 | dbg("%s - returns %d", __func__, room); |
1da177e4 LT |
2145 | return room; |
2146 | } | |
2147 | ||
95da310e | 2148 | static int edge_chars_in_buffer(struct tty_struct *tty) |
1da177e4 | 2149 | { |
95da310e | 2150 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2151 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2152 | int chars = 0; | |
2153 | unsigned long flags; | |
2154 | ||
441b62c1 | 2155 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2156 | |
2157 | if (edge_port == NULL) | |
2742fd88 | 2158 | return 0; |
1da177e4 | 2159 | if (edge_port->close_pending == 1) |
2742fd88 | 2160 | return 0; |
1da177e4 LT |
2161 | |
2162 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2163 | chars = kfifo_len(&edge_port->write_fifo); |
1da177e4 LT |
2164 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2165 | ||
2742fd88 | 2166 | dbg("%s - returns %d", __func__, chars); |
1da177e4 LT |
2167 | return chars; |
2168 | } | |
2169 | ||
95da310e | 2170 | static void edge_throttle(struct tty_struct *tty) |
1da177e4 | 2171 | { |
95da310e | 2172 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2173 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2174 | int status; |
2175 | ||
441b62c1 | 2176 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2177 | |
2178 | if (edge_port == NULL) | |
2179 | return; | |
2180 | ||
1da177e4 LT |
2181 | /* if we are implementing XON/XOFF, send the stop character */ |
2182 | if (I_IXOFF(tty)) { | |
2183 | unsigned char stop_char = STOP_CHAR(tty); | |
95da310e AC |
2184 | status = edge_write(tty, port, &stop_char, 1); |
2185 | if (status <= 0) { | |
2186 | dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status); | |
2187 | } | |
1da177e4 LT |
2188 | } |
2189 | ||
2190 | /* if we are implementing RTS/CTS, stop reads */ | |
2191 | /* and the Edgeport will clear the RTS line */ | |
2192 | if (C_CRTSCTS(tty)) | |
2193 | stop_read(edge_port); | |
2194 | ||
2195 | } | |
2196 | ||
95da310e | 2197 | static void edge_unthrottle(struct tty_struct *tty) |
1da177e4 | 2198 | { |
95da310e | 2199 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2200 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2201 | int status; |
2202 | ||
441b62c1 | 2203 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2204 | |
2205 | if (edge_port == NULL) | |
2206 | return; | |
2207 | ||
1da177e4 LT |
2208 | /* if we are implementing XON/XOFF, send the start character */ |
2209 | if (I_IXOFF(tty)) { | |
2210 | unsigned char start_char = START_CHAR(tty); | |
95da310e AC |
2211 | status = edge_write(tty, port, &start_char, 1); |
2212 | if (status <= 0) { | |
2213 | dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status); | |
2214 | } | |
1da177e4 | 2215 | } |
1da177e4 LT |
2216 | /* if we are implementing RTS/CTS, restart reads */ |
2217 | /* are the Edgeport will assert the RTS line */ | |
2218 | if (C_CRTSCTS(tty)) { | |
2219 | status = restart_read(edge_port); | |
2220 | if (status) | |
2742fd88 AC |
2221 | dev_err(&port->dev, |
2222 | "%s - read bulk usb_submit_urb failed: %d\n", | |
2223 | __func__, status); | |
1da177e4 LT |
2224 | } |
2225 | ||
2226 | } | |
2227 | ||
2228 | static void stop_read(struct edgeport_port *edge_port) | |
2229 | { | |
2230 | unsigned long flags; | |
2231 | ||
2232 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2233 | ||
2234 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) | |
2235 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPING; | |
2236 | edge_port->shadow_mcr &= ~MCR_RTS; | |
2237 | ||
2238 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2239 | } | |
2240 | ||
2241 | static int restart_read(struct edgeport_port *edge_port) | |
2242 | { | |
2243 | struct urb *urb; | |
2244 | int status = 0; | |
2245 | unsigned long flags; | |
2246 | ||
2247 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2248 | ||
2249 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPED) { | |
2250 | urb = edge_port->port->read_urb; | |
efdff608 | 2251 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
2252 | } |
2253 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
2254 | edge_port->shadow_mcr |= MCR_RTS; | |
2255 | ||
2256 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2257 | ||
2258 | return status; | |
2259 | } | |
2260 | ||
95da310e AC |
2261 | static void change_port_settings(struct tty_struct *tty, |
2262 | struct edgeport_port *edge_port, struct ktermios *old_termios) | |
1da177e4 LT |
2263 | { |
2264 | struct ump_uart_config *config; | |
1da177e4 LT |
2265 | int baud; |
2266 | unsigned cflag; | |
2267 | int status; | |
2742fd88 AC |
2268 | int port_number = edge_port->port->number - |
2269 | edge_port->port->serial->minor; | |
1da177e4 | 2270 | |
441b62c1 | 2271 | dbg("%s - port %d", __func__, edge_port->port->number); |
1da177e4 | 2272 | |
95da310e | 2273 | config = kmalloc (sizeof (*config), GFP_KERNEL); |
1da177e4 | 2274 | if (!config) { |
adc8d746 | 2275 | tty->termios = *old_termios; |
2742fd88 AC |
2276 | dev_err(&edge_port->port->dev, "%s - out of memory\n", |
2277 | __func__); | |
1da177e4 LT |
2278 | return; |
2279 | } | |
2280 | ||
adc8d746 | 2281 | cflag = tty->termios.c_cflag; |
1da177e4 LT |
2282 | |
2283 | config->wFlags = 0; | |
2284 | ||
2285 | /* These flags must be set */ | |
2286 | config->wFlags |= UMP_MASK_UART_FLAGS_RECEIVE_MS_INT; | |
2287 | config->wFlags |= UMP_MASK_UART_FLAGS_AUTO_START_ON_ERR; | |
2288 | config->bUartMode = (__u8)(edge_port->bUartMode); | |
2289 | ||
2290 | switch (cflag & CSIZE) { | |
2742fd88 AC |
2291 | case CS5: |
2292 | config->bDataBits = UMP_UART_CHAR5BITS; | |
2293 | dbg("%s - data bits = 5", __func__); | |
2294 | break; | |
2295 | case CS6: | |
2296 | config->bDataBits = UMP_UART_CHAR6BITS; | |
2297 | dbg("%s - data bits = 6", __func__); | |
2298 | break; | |
2299 | case CS7: | |
2300 | config->bDataBits = UMP_UART_CHAR7BITS; | |
2301 | dbg("%s - data bits = 7", __func__); | |
2302 | break; | |
2303 | default: | |
2304 | case CS8: | |
2305 | config->bDataBits = UMP_UART_CHAR8BITS; | |
2306 | dbg("%s - data bits = 8", __func__); | |
1da177e4 LT |
2307 | break; |
2308 | } | |
2309 | ||
2310 | if (cflag & PARENB) { | |
2311 | if (cflag & PARODD) { | |
2312 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2313 | config->bParity = UMP_UART_ODDPARITY; | |
441b62c1 | 2314 | dbg("%s - parity = odd", __func__); |
1da177e4 LT |
2315 | } else { |
2316 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2317 | config->bParity = UMP_UART_EVENPARITY; | |
441b62c1 | 2318 | dbg("%s - parity = even", __func__); |
1da177e4 LT |
2319 | } |
2320 | } else { | |
2742fd88 | 2321 | config->bParity = UMP_UART_NOPARITY; |
441b62c1 | 2322 | dbg("%s - parity = none", __func__); |
1da177e4 LT |
2323 | } |
2324 | ||
2325 | if (cflag & CSTOPB) { | |
2326 | config->bStopBits = UMP_UART_STOPBIT2; | |
441b62c1 | 2327 | dbg("%s - stop bits = 2", __func__); |
1da177e4 LT |
2328 | } else { |
2329 | config->bStopBits = UMP_UART_STOPBIT1; | |
441b62c1 | 2330 | dbg("%s - stop bits = 1", __func__); |
1da177e4 LT |
2331 | } |
2332 | ||
2333 | /* figure out the flow control settings */ | |
2334 | if (cflag & CRTSCTS) { | |
2335 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X_CTS_FLOW; | |
2336 | config->wFlags |= UMP_MASK_UART_FLAGS_RTS_FLOW; | |
441b62c1 | 2337 | dbg("%s - RTS/CTS is enabled", __func__); |
1da177e4 | 2338 | } else { |
441b62c1 | 2339 | dbg("%s - RTS/CTS is disabled", __func__); |
1da177e4 LT |
2340 | tty->hw_stopped = 0; |
2341 | restart_read(edge_port); | |
2342 | } | |
2343 | ||
2742fd88 AC |
2344 | /* if we are implementing XON/XOFF, set the start and stop |
2345 | character in the device */ | |
2346 | config->cXon = START_CHAR(tty); | |
2347 | config->cXoff = STOP_CHAR(tty); | |
1da177e4 | 2348 | |
2742fd88 AC |
2349 | /* if we are implementing INBOUND XON/XOFF */ |
2350 | if (I_IXOFF(tty)) { | |
2351 | config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; | |
2352 | dbg("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
2353 | __func__, config->cXon, config->cXoff); | |
2354 | } else | |
2355 | dbg("%s - INBOUND XON/XOFF is disabled", __func__); | |
1da177e4 | 2356 | |
2742fd88 AC |
2357 | /* if we are implementing OUTBOUND XON/XOFF */ |
2358 | if (I_IXON(tty)) { | |
2359 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; | |
2360 | dbg("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
2361 | __func__, config->cXon, config->cXoff); | |
2362 | } else | |
2363 | dbg("%s - OUTBOUND XON/XOFF is disabled", __func__); | |
1da177e4 | 2364 | |
adc8d746 | 2365 | tty->termios.c_cflag &= ~CMSPAR; |
d5f5bcd4 | 2366 | |
1da177e4 LT |
2367 | /* Round the baud rate */ |
2368 | baud = tty_get_baud_rate(tty); | |
2369 | if (!baud) { | |
2370 | /* pick a default, any default... */ | |
2371 | baud = 9600; | |
d5f5bcd4 AC |
2372 | } else |
2373 | tty_encode_baud_rate(tty, baud, baud); | |
2374 | ||
1da177e4 LT |
2375 | edge_port->baud_rate = baud; |
2376 | config->wBaudRate = (__u16)((461550L + baud/2) / baud); | |
2377 | ||
d5f5bcd4 AC |
2378 | /* FIXME: Recompute actual baud from divisor here */ |
2379 | ||
2742fd88 AC |
2380 | dbg("%s - baud rate = %d, wBaudRate = %d", __func__, baud, |
2381 | config->wBaudRate); | |
1da177e4 | 2382 | |
2742fd88 AC |
2383 | dbg("wBaudRate: %d", (int)(461550L / config->wBaudRate)); |
2384 | dbg("wFlags: 0x%x", config->wFlags); | |
2385 | dbg("bDataBits: %d", config->bDataBits); | |
2386 | dbg("bParity: %d", config->bParity); | |
2387 | dbg("bStopBits: %d", config->bStopBits); | |
2388 | dbg("cXon: %d", config->cXon); | |
2389 | dbg("cXoff: %d", config->cXoff); | |
2390 | dbg("bUartMode: %d", config->bUartMode); | |
1da177e4 LT |
2391 | |
2392 | /* move the word values into big endian mode */ | |
2742fd88 AC |
2393 | cpu_to_be16s(&config->wFlags); |
2394 | cpu_to_be16s(&config->wBaudRate); | |
1da177e4 | 2395 | |
2742fd88 | 2396 | status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG, |
1da177e4 | 2397 | (__u8)(UMPM_UART1_PORT + port_number), |
2742fd88 AC |
2398 | 0, (__u8 *)config, sizeof(*config)); |
2399 | if (status) | |
2400 | dbg("%s - error %d when trying to write config to device", | |
441b62c1 | 2401 | __func__, status); |
2742fd88 | 2402 | kfree(config); |
1da177e4 LT |
2403 | } |
2404 | ||
2e0ddd62 | 2405 | static void edge_set_termios(struct tty_struct *tty, |
95da310e | 2406 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
2407 | { |
2408 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
95da310e AC |
2409 | unsigned int cflag; |
2410 | ||
adc8d746 | 2411 | cflag = tty->termios.c_cflag; |
1da177e4 | 2412 | |
441b62c1 | 2413 | dbg("%s - clfag %08x iflag %08x", __func__, |
adc8d746 | 2414 | tty->termios.c_cflag, tty->termios.c_iflag); |
441b62c1 | 2415 | dbg("%s - old clfag %08x old iflag %08x", __func__, |
d5f5bcd4 | 2416 | old_termios->c_cflag, old_termios->c_iflag); |
441b62c1 | 2417 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2418 | |
2419 | if (edge_port == NULL) | |
2420 | return; | |
1da177e4 | 2421 | /* change the port settings to the new ones specified */ |
95da310e | 2422 | change_port_settings(tty, edge_port, old_termios); |
1da177e4 LT |
2423 | } |
2424 | ||
20b9d177 | 2425 | static int edge_tiocmset(struct tty_struct *tty, |
2742fd88 | 2426 | unsigned int set, unsigned int clear) |
1da177e4 | 2427 | { |
95da310e | 2428 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2429 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2430 | unsigned int mcr; | |
3d71fe0b | 2431 | unsigned long flags; |
1da177e4 | 2432 | |
441b62c1 | 2433 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 2434 | |
3d71fe0b | 2435 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
1da177e4 LT |
2436 | mcr = edge_port->shadow_mcr; |
2437 | if (set & TIOCM_RTS) | |
2438 | mcr |= MCR_RTS; | |
2439 | if (set & TIOCM_DTR) | |
2440 | mcr |= MCR_DTR; | |
2441 | if (set & TIOCM_LOOP) | |
2442 | mcr |= MCR_LOOPBACK; | |
2443 | ||
2444 | if (clear & TIOCM_RTS) | |
2445 | mcr &= ~MCR_RTS; | |
2446 | if (clear & TIOCM_DTR) | |
2447 | mcr &= ~MCR_DTR; | |
2448 | if (clear & TIOCM_LOOP) | |
2449 | mcr &= ~MCR_LOOPBACK; | |
2450 | ||
2451 | edge_port->shadow_mcr = mcr; | |
3d71fe0b | 2452 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 | 2453 | |
2742fd88 | 2454 | restore_mcr(edge_port, mcr); |
1da177e4 LT |
2455 | return 0; |
2456 | } | |
2457 | ||
60b33c13 | 2458 | static int edge_tiocmget(struct tty_struct *tty) |
1da177e4 | 2459 | { |
95da310e | 2460 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2461 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2462 | unsigned int result = 0; | |
2463 | unsigned int msr; | |
2464 | unsigned int mcr; | |
3d71fe0b | 2465 | unsigned long flags; |
1da177e4 | 2466 | |
441b62c1 | 2467 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 2468 | |
3d71fe0b AC |
2469 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
2470 | ||
1da177e4 LT |
2471 | msr = edge_port->shadow_msr; |
2472 | mcr = edge_port->shadow_mcr; | |
2473 | result = ((mcr & MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */ | |
2474 | | ((mcr & MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */ | |
2475 | | ((msr & EDGEPORT_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */ | |
2476 | | ((msr & EDGEPORT_MSR_CD) ? TIOCM_CAR: 0) /* 0x040 */ | |
2477 | | ((msr & EDGEPORT_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */ | |
2478 | | ((msr & EDGEPORT_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */ | |
2479 | ||
2480 | ||
441b62c1 | 2481 | dbg("%s -- %x", __func__, result); |
3d71fe0b | 2482 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 LT |
2483 | |
2484 | return result; | |
2485 | } | |
2486 | ||
0bca1b91 AC |
2487 | static int edge_get_icount(struct tty_struct *tty, |
2488 | struct serial_icounter_struct *icount) | |
2489 | { | |
2490 | struct usb_serial_port *port = tty->driver_data; | |
2491 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2492 | struct async_icount *ic = &edge_port->icount; | |
2493 | ||
2494 | icount->cts = ic->cts; | |
2495 | icount->dsr = ic->dsr; | |
2496 | icount->rng = ic->rng; | |
2497 | icount->dcd = ic->dcd; | |
2498 | icount->tx = ic->tx; | |
2499 | icount->rx = ic->rx; | |
2500 | icount->frame = ic->frame; | |
2501 | icount->parity = ic->parity; | |
2502 | icount->overrun = ic->overrun; | |
2503 | icount->brk = ic->brk; | |
2504 | icount->buf_overrun = ic->buf_overrun; | |
2505 | return 0; | |
2506 | } | |
2507 | ||
2742fd88 AC |
2508 | static int get_serial_info(struct edgeport_port *edge_port, |
2509 | struct serial_struct __user *retinfo) | |
1da177e4 LT |
2510 | { |
2511 | struct serial_struct tmp; | |
2512 | ||
2513 | if (!retinfo) | |
2514 | return -EFAULT; | |
2515 | ||
2516 | memset(&tmp, 0, sizeof(tmp)); | |
2517 | ||
2518 | tmp.type = PORT_16550A; | |
2519 | tmp.line = edge_port->port->serial->minor; | |
2520 | tmp.port = edge_port->port->number; | |
2521 | tmp.irq = 0; | |
2522 | tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; | |
2523 | tmp.xmit_fifo_size = edge_port->port->bulk_out_size; | |
2524 | tmp.baud_base = 9600; | |
2525 | tmp.close_delay = 5*HZ; | |
2526 | tmp.closing_wait = closing_wait; | |
1da177e4 LT |
2527 | |
2528 | if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) | |
2529 | return -EFAULT; | |
2530 | return 0; | |
2531 | } | |
2532 | ||
00a0d0d6 | 2533 | static int edge_ioctl(struct tty_struct *tty, |
2742fd88 | 2534 | unsigned int cmd, unsigned long arg) |
1da177e4 | 2535 | { |
95da310e | 2536 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2537 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2538 | struct async_icount cnow; | |
2539 | struct async_icount cprev; | |
2540 | ||
441b62c1 | 2541 | dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd); |
1da177e4 LT |
2542 | |
2543 | switch (cmd) { | |
2742fd88 AC |
2544 | case TIOCGSERIAL: |
2545 | dbg("%s - (%d) TIOCGSERIAL", __func__, port->number); | |
2546 | return get_serial_info(edge_port, | |
2547 | (struct serial_struct __user *) arg); | |
2548 | case TIOCMIWAIT: | |
2549 | dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); | |
2550 | cprev = edge_port->icount; | |
2551 | while (1) { | |
2552 | interruptible_sleep_on(&edge_port->delta_msr_wait); | |
2553 | /* see if a signal did it */ | |
2554 | if (signal_pending(current)) | |
2555 | return -ERESTARTSYS; | |
2556 | cnow = edge_port->icount; | |
2557 | if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && | |
2558 | cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) | |
2559 | return -EIO; /* no change => error */ | |
2560 | if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || | |
2561 | ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || | |
2562 | ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || | |
2563 | ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { | |
2564 | return 0; | |
1da177e4 | 2565 | } |
2742fd88 AC |
2566 | cprev = cnow; |
2567 | } | |
2568 | /* not reached */ | |
2569 | break; | |
1da177e4 | 2570 | } |
1da177e4 LT |
2571 | return -ENOIOCTLCMD; |
2572 | } | |
2573 | ||
95da310e | 2574 | static void edge_break(struct tty_struct *tty, int break_state) |
1da177e4 | 2575 | { |
95da310e | 2576 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2577 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2578 | int status; | |
2742fd88 | 2579 | int bv = 0; /* Off */ |
1da177e4 | 2580 | |
95da310e | 2581 | dbg("%s - state = %d", __func__, break_state); |
1da177e4 LT |
2582 | |
2583 | /* chase the port close */ | |
2742fd88 | 2584 | chase_port(edge_port, 0, 0); |
1da177e4 | 2585 | |
95da310e | 2586 | if (break_state == -1) |
2742fd88 AC |
2587 | bv = 1; /* On */ |
2588 | status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv); | |
2589 | if (status) | |
2590 | dbg("%s - error %d sending break set/clear command.", | |
441b62c1 | 2591 | __func__, status); |
1da177e4 LT |
2592 | } |
2593 | ||
2742fd88 | 2594 | static int edge_startup(struct usb_serial *serial) |
1da177e4 LT |
2595 | { |
2596 | struct edgeport_serial *edge_serial; | |
2597 | struct edgeport_port *edge_port; | |
2598 | struct usb_device *dev; | |
2599 | int status; | |
2600 | int i; | |
2601 | ||
2602 | dev = serial->dev; | |
2603 | ||
2604 | /* create our private serial structure */ | |
80b6ca48 | 2605 | edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); |
1da177e4 | 2606 | if (edge_serial == NULL) { |
441b62c1 | 2607 | dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); |
1da177e4 LT |
2608 | return -ENOMEM; |
2609 | } | |
241ca64f | 2610 | mutex_init(&edge_serial->es_lock); |
1da177e4 LT |
2611 | edge_serial->serial = serial; |
2612 | usb_set_serial_data(serial, edge_serial); | |
2613 | ||
2742fd88 | 2614 | status = download_fw(edge_serial); |
1da177e4 | 2615 | if (status) { |
2742fd88 | 2616 | kfree(edge_serial); |
1da177e4 LT |
2617 | return status; |
2618 | } | |
2619 | ||
2620 | /* set up our port private structures */ | |
2621 | for (i = 0; i < serial->num_ports; ++i) { | |
80b6ca48 | 2622 | edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL); |
1da177e4 | 2623 | if (edge_port == NULL) { |
2742fd88 AC |
2624 | dev_err(&serial->dev->dev, "%s - Out of memory\n", |
2625 | __func__); | |
1da177e4 LT |
2626 | goto cleanup; |
2627 | } | |
1da177e4 | 2628 | spin_lock_init(&edge_port->ep_lock); |
d733cec1 JH |
2629 | if (kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE, |
2630 | GFP_KERNEL)) { | |
2742fd88 AC |
2631 | dev_err(&serial->dev->dev, "%s - Out of memory\n", |
2632 | __func__); | |
1da177e4 LT |
2633 | kfree(edge_port); |
2634 | goto cleanup; | |
2635 | } | |
2636 | edge_port->port = serial->port[i]; | |
2637 | edge_port->edge_serial = edge_serial; | |
2638 | usb_set_serial_port_data(serial->port[i], edge_port); | |
fc4cbd75 | 2639 | edge_port->bUartMode = default_uart_mode; |
1da177e4 | 2640 | } |
2742fd88 | 2641 | |
1da177e4 LT |
2642 | return 0; |
2643 | ||
2644 | cleanup: | |
2742fd88 | 2645 | for (--i; i >= 0; --i) { |
1da177e4 | 2646 | edge_port = usb_get_serial_port_data(serial->port[i]); |
d733cec1 | 2647 | kfifo_free(&edge_port->write_fifo); |
1da177e4 LT |
2648 | kfree(edge_port); |
2649 | usb_set_serial_port_data(serial->port[i], NULL); | |
2650 | } | |
2742fd88 | 2651 | kfree(edge_serial); |
1da177e4 LT |
2652 | usb_set_serial_data(serial, NULL); |
2653 | return -ENOMEM; | |
2654 | } | |
2655 | ||
f9c99bb8 | 2656 | static void edge_disconnect(struct usb_serial *serial) |
1da177e4 | 2657 | { |
2742fd88 | 2658 | dbg("%s", __func__); |
f9c99bb8 AS |
2659 | } |
2660 | ||
2661 | static void edge_release(struct usb_serial *serial) | |
2662 | { | |
2663 | int i; | |
2664 | struct edgeport_port *edge_port; | |
2665 | ||
2666 | dbg("%s", __func__); | |
2667 | ||
2668 | for (i = 0; i < serial->num_ports; ++i) { | |
2669 | edge_port = usb_get_serial_port_data(serial->port[i]); | |
d733cec1 | 2670 | kfifo_free(&edge_port->write_fifo); |
0d46c007 | 2671 | kfree(edge_port); |
1da177e4 | 2672 | } |
0d46c007 | 2673 | kfree(usb_get_serial_data(serial)); |
1da177e4 LT |
2674 | } |
2675 | ||
2676 | ||
fc4cbd75 MP |
2677 | /* Sysfs Attributes */ |
2678 | ||
2679 | static ssize_t show_uart_mode(struct device *dev, | |
2680 | struct device_attribute *attr, char *buf) | |
2681 | { | |
2682 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2683 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2684 | ||
2685 | return sprintf(buf, "%d\n", edge_port->bUartMode); | |
2686 | } | |
2687 | ||
2688 | static ssize_t store_uart_mode(struct device *dev, | |
2689 | struct device_attribute *attr, const char *valbuf, size_t count) | |
2690 | { | |
2691 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2692 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2693 | unsigned int v = simple_strtoul(valbuf, NULL, 0); | |
2694 | ||
441b62c1 | 2695 | dbg("%s: setting uart_mode = %d", __func__, v); |
fc4cbd75 MP |
2696 | |
2697 | if (v < 256) | |
2698 | edge_port->bUartMode = v; | |
2699 | else | |
441b62c1 | 2700 | dev_err(dev, "%s - uart_mode %d is invalid\n", __func__, v); |
fc4cbd75 MP |
2701 | |
2702 | return count; | |
2703 | } | |
2704 | ||
2742fd88 AC |
2705 | static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, |
2706 | store_uart_mode); | |
fc4cbd75 MP |
2707 | |
2708 | static int edge_create_sysfs_attrs(struct usb_serial_port *port) | |
2709 | { | |
2710 | return device_create_file(&port->dev, &dev_attr_uart_mode); | |
2711 | } | |
2712 | ||
2713 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port) | |
2714 | { | |
2715 | device_remove_file(&port->dev, &dev_attr_uart_mode); | |
2716 | return 0; | |
2717 | } | |
2718 | ||
2719 | ||
ea65370d | 2720 | static struct usb_serial_driver edgeport_1port_device = { |
18fcac35 | 2721 | .driver = { |
269bda1c GKH |
2722 | .owner = THIS_MODULE, |
2723 | .name = "edgeport_ti_1", | |
18fcac35 | 2724 | }, |
269bda1c | 2725 | .description = "Edgeport TI 1 port adapter", |
1da177e4 | 2726 | .id_table = edgeport_1port_id_table, |
1da177e4 LT |
2727 | .num_ports = 1, |
2728 | .open = edge_open, | |
2729 | .close = edge_close, | |
2730 | .throttle = edge_throttle, | |
2731 | .unthrottle = edge_unthrottle, | |
2732 | .attach = edge_startup, | |
f9c99bb8 AS |
2733 | .disconnect = edge_disconnect, |
2734 | .release = edge_release, | |
fc4cbd75 | 2735 | .port_probe = edge_create_sysfs_attrs, |
6d443d84 | 2736 | .port_remove = edge_remove_sysfs_attrs, |
1da177e4 LT |
2737 | .ioctl = edge_ioctl, |
2738 | .set_termios = edge_set_termios, | |
2739 | .tiocmget = edge_tiocmget, | |
2740 | .tiocmset = edge_tiocmset, | |
0bca1b91 | 2741 | .get_icount = edge_get_icount, |
1da177e4 LT |
2742 | .write = edge_write, |
2743 | .write_room = edge_write_room, | |
2744 | .chars_in_buffer = edge_chars_in_buffer, | |
2745 | .break_ctl = edge_break, | |
2746 | .read_int_callback = edge_interrupt_callback, | |
2747 | .read_bulk_callback = edge_bulk_in_callback, | |
2748 | .write_bulk_callback = edge_bulk_out_callback, | |
2749 | }; | |
2750 | ||
ea65370d | 2751 | static struct usb_serial_driver edgeport_2port_device = { |
18fcac35 | 2752 | .driver = { |
269bda1c GKH |
2753 | .owner = THIS_MODULE, |
2754 | .name = "edgeport_ti_2", | |
18fcac35 | 2755 | }, |
269bda1c | 2756 | .description = "Edgeport TI 2 port adapter", |
1da177e4 | 2757 | .id_table = edgeport_2port_id_table, |
1da177e4 LT |
2758 | .num_ports = 2, |
2759 | .open = edge_open, | |
2760 | .close = edge_close, | |
2761 | .throttle = edge_throttle, | |
2762 | .unthrottle = edge_unthrottle, | |
2763 | .attach = edge_startup, | |
f9c99bb8 AS |
2764 | .disconnect = edge_disconnect, |
2765 | .release = edge_release, | |
fc4cbd75 | 2766 | .port_probe = edge_create_sysfs_attrs, |
6d443d84 | 2767 | .port_remove = edge_remove_sysfs_attrs, |
1da177e4 LT |
2768 | .ioctl = edge_ioctl, |
2769 | .set_termios = edge_set_termios, | |
2770 | .tiocmget = edge_tiocmget, | |
2771 | .tiocmset = edge_tiocmset, | |
2772 | .write = edge_write, | |
2773 | .write_room = edge_write_room, | |
2774 | .chars_in_buffer = edge_chars_in_buffer, | |
2775 | .break_ctl = edge_break, | |
2776 | .read_int_callback = edge_interrupt_callback, | |
2777 | .read_bulk_callback = edge_bulk_in_callback, | |
2778 | .write_bulk_callback = edge_bulk_out_callback, | |
2779 | }; | |
2780 | ||
7dbe2460 AS |
2781 | static struct usb_serial_driver * const serial_drivers[] = { |
2782 | &edgeport_1port_device, &edgeport_2port_device, NULL | |
2783 | }; | |
2784 | ||
68e24113 | 2785 | module_usb_serial_driver(serial_drivers, id_table_combined); |
1da177e4 | 2786 | |
1da177e4 LT |
2787 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2788 | MODULE_DESCRIPTION(DRIVER_DESC); | |
2789 | MODULE_LICENSE("GPL"); | |
d12b219a | 2790 | MODULE_FIRMWARE("edgeport/down3.bin"); |
1da177e4 LT |
2791 | |
2792 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
2793 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
2794 | ||
1da177e4 LT |
2795 | module_param(closing_wait, int, S_IRUGO | S_IWUSR); |
2796 | MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); | |
2797 | ||
2798 | module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR); | |
2742fd88 AC |
2799 | MODULE_PARM_DESC(ignore_cpu_rev, |
2800 | "Ignore the cpu revision when connecting to a device"); | |
1da177e4 | 2801 | |
fc4cbd75 MP |
2802 | module_param(default_uart_mode, int, S_IRUGO | S_IWUSR); |
2803 | MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ..."); |