]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Edgeport USB Serial Converter driver | |
3 | * | |
4 | * Copyright (C) 2000-2002 Inside Out Networks, All rights reserved. | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * Supports the following devices: | |
13 | * EP/1 EP/2 EP/4 EP/21 EP/22 EP/221 EP/42 EP/421 WATCHPORT | |
14 | * | |
15 | * For questions or problems with this driver, contact Inside Out | |
16 | * Networks technical support, or Peter Berger <pberger@brimson.com>, | |
17 | * or Al Borchers <alborchers@steinerpoint.com>. | |
1da177e4 LT |
18 | */ |
19 | ||
1da177e4 LT |
20 | #include <linux/kernel.h> |
21 | #include <linux/jiffies.h> | |
22 | #include <linux/errno.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/tty.h> | |
26 | #include <linux/tty_driver.h> | |
27 | #include <linux/tty_flip.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/spinlock.h> | |
241ca64f | 30 | #include <linux/mutex.h> |
1da177e4 | 31 | #include <linux/serial.h> |
d733cec1 | 32 | #include <linux/kfifo.h> |
1da177e4 | 33 | #include <linux/ioctl.h> |
d12b219a | 34 | #include <linux/firmware.h> |
2742fd88 | 35 | #include <linux/uaccess.h> |
1da177e4 | 36 | #include <linux/usb.h> |
a969888c | 37 | #include <linux/usb/serial.h> |
1da177e4 | 38 | |
1da177e4 LT |
39 | #include "io_16654.h" |
40 | #include "io_usbvend.h" | |
41 | #include "io_ti.h" | |
42 | ||
1da177e4 LT |
43 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com> and David Iacovelli" |
44 | #define DRIVER_DESC "Edgeport USB Serial Driver" | |
45 | ||
1da177e4 LT |
46 | #define EPROM_PAGE_SIZE 64 |
47 | ||
48 | ||
1da177e4 LT |
49 | /* different hardware types */ |
50 | #define HARDWARE_TYPE_930 0 | |
51 | #define HARDWARE_TYPE_TIUMP 1 | |
52 | ||
2742fd88 AC |
53 | /* IOCTL_PRIVATE_TI_GET_MODE Definitions */ |
54 | #define TI_MODE_CONFIGURING 0 /* Device has not entered start device */ | |
55 | #define TI_MODE_BOOT 1 /* Staying in boot mode */ | |
56 | #define TI_MODE_DOWNLOAD 2 /* Made it to download mode */ | |
57 | #define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but | |
58 | transitioning to download mode */ | |
1da177e4 LT |
59 | |
60 | /* read urb state */ | |
61 | #define EDGE_READ_URB_RUNNING 0 | |
62 | #define EDGE_READ_URB_STOPPING 1 | |
63 | #define EDGE_READ_URB_STOPPED 2 | |
64 | ||
1da177e4 LT |
65 | #define EDGE_CLOSING_WAIT 4000 /* in .01 sec */ |
66 | ||
67 | #define EDGE_OUT_BUF_SIZE 1024 | |
68 | ||
69 | ||
70 | /* Product information read from the Edgeport */ | |
2742fd88 AC |
71 | struct product_info { |
72 | int TiMode; /* Current TI Mode */ | |
73 | __u8 hardware_type; /* Type of hardware */ | |
1da177e4 LT |
74 | } __attribute__((packed)); |
75 | ||
1da177e4 LT |
76 | struct edgeport_port { |
77 | __u16 uart_base; | |
78 | __u16 dma_address; | |
79 | __u8 shadow_msr; | |
80 | __u8 shadow_mcr; | |
81 | __u8 shadow_lsr; | |
82 | __u8 lsr_mask; | |
19af5cdb | 83 | __u32 ump_read_timeout; /* Number of milliseconds the UMP will |
1da177e4 LT |
84 | wait without data before completing |
85 | a read short */ | |
86 | int baud_rate; | |
87 | int close_pending; | |
88 | int lsr_event; | |
1da177e4 LT |
89 | struct async_icount icount; |
90 | wait_queue_head_t delta_msr_wait; /* for handling sleeping while | |
91 | waiting for msr change to | |
92 | happen */ | |
93 | struct edgeport_serial *edge_serial; | |
94 | struct usb_serial_port *port; | |
2742fd88 | 95 | __u8 bUartMode; /* Port type, 0: RS232, etc. */ |
1da177e4 LT |
96 | spinlock_t ep_lock; |
97 | int ep_read_urb_state; | |
98 | int ep_write_urb_in_use; | |
d733cec1 | 99 | struct kfifo write_fifo; |
1da177e4 LT |
100 | }; |
101 | ||
102 | struct edgeport_serial { | |
103 | struct product_info product_info; | |
2742fd88 AC |
104 | u8 TI_I2C_Type; /* Type of I2C in UMP */ |
105 | u8 TiReadI2C; /* Set to TRUE if we have read the | |
106 | I2c in Boot Mode */ | |
241ca64f | 107 | struct mutex es_lock; |
1da177e4 LT |
108 | int num_ports_open; |
109 | struct usb_serial *serial; | |
110 | }; | |
111 | ||
112 | ||
113 | /* Devices that this driver supports */ | |
7d40d7e8 | 114 | static const struct usb_device_id edgeport_1port_id_table[] = { |
1da177e4 LT |
115 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
116 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
117 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
118 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
119 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
120 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
121 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
122 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
123 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
124 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
125 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
126 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
127 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
128 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
129 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
130 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
131 | { } | |
132 | }; | |
133 | ||
7d40d7e8 | 134 | static const struct usb_device_id edgeport_2port_id_table[] = { |
1da177e4 LT |
135 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, |
136 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
137 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
138 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
139 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
140 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
141 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
142 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
143 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
144 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
145 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
146 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
fc4cbd75 | 147 | /* The 4, 8 and 16 port devices show up as multiple 2 port devices */ |
1da177e4 | 148 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, |
fc4cbd75 MP |
149 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
150 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
151 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
152 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
153 | { } |
154 | }; | |
155 | ||
156 | /* Devices that this driver supports */ | |
7d40d7e8 | 157 | static const struct usb_device_id id_table_combined[] = { |
1da177e4 LT |
158 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) }, |
159 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) }, | |
160 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) }, | |
161 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROXIMITY) }, | |
162 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOTION) }, | |
163 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_MOISTURE) }, | |
164 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_TEMPERATURE) }, | |
165 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_HUMIDITY) }, | |
166 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_POWER) }, | |
167 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_LIGHT) }, | |
168 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_RADIATION) }, | |
169 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_DISTANCE) }, | |
170 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_ACCELERATION) }, | |
171 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_WP_PROX_DIST) }, | |
172 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_HP4CD) }, | |
173 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_PLUS_PWR_PCI) }, | |
174 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) }, | |
175 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) }, | |
176 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) }, | |
177 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_421) }, | |
178 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21) }, | |
179 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_42) }, | |
180 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4) }, | |
181 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4I) }, | |
182 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22I) }, | |
183 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) }, | |
184 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) }, | |
185 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) }, | |
186 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) }, | |
fc4cbd75 MP |
187 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) }, |
188 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) }, | |
189 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) }, | |
190 | { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) }, | |
1da177e4 LT |
191 | { } |
192 | }; | |
193 | ||
2742fd88 | 194 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 | 195 | |
d12b219a JS |
196 | static unsigned char OperationalMajorVersion; |
197 | static unsigned char OperationalMinorVersion; | |
198 | static unsigned short OperationalBuildNumber; | |
1da177e4 | 199 | |
1da177e4 | 200 | static int closing_wait = EDGE_CLOSING_WAIT; |
90ab5ee9 | 201 | static bool ignore_cpu_rev; |
2742fd88 | 202 | static int default_uart_mode; /* RS232 */ |
1da177e4 | 203 | |
2742fd88 AC |
204 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
205 | unsigned char *data, int length); | |
1da177e4 LT |
206 | |
207 | static void stop_read(struct edgeport_port *edge_port); | |
208 | static int restart_read(struct edgeport_port *edge_port); | |
209 | ||
95da310e AC |
210 | static void edge_set_termios(struct tty_struct *tty, |
211 | struct usb_serial_port *port, struct ktermios *old_termios); | |
212 | static void edge_send(struct tty_struct *tty); | |
1da177e4 | 213 | |
fc4cbd75 MP |
214 | /* sysfs attributes */ |
215 | static int edge_create_sysfs_attrs(struct usb_serial_port *port); | |
216 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port); | |
217 | ||
1da177e4 | 218 | |
2742fd88 AC |
219 | static int ti_vread_sync(struct usb_device *dev, __u8 request, |
220 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
221 | { |
222 | int status; | |
223 | ||
2742fd88 AC |
224 | status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, |
225 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN), | |
226 | value, index, data, size, 1000); | |
1da177e4 LT |
227 | if (status < 0) |
228 | return status; | |
229 | if (status != size) { | |
67e6da70 GKH |
230 | dev_dbg(&dev->dev, "%s - wanted to write %d, but only wrote %d\n", |
231 | __func__, size, status); | |
1da177e4 LT |
232 | return -ECOMM; |
233 | } | |
234 | return 0; | |
235 | } | |
236 | ||
2742fd88 AC |
237 | static int ti_vsend_sync(struct usb_device *dev, __u8 request, |
238 | __u16 value, __u16 index, u8 *data, int size) | |
1da177e4 LT |
239 | { |
240 | int status; | |
241 | ||
2742fd88 AC |
242 | status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, |
243 | (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), | |
244 | value, index, data, size, 1000); | |
1da177e4 LT |
245 | if (status < 0) |
246 | return status; | |
247 | if (status != size) { | |
67e6da70 GKH |
248 | dev_dbg(&dev->dev, "%s - wanted to write %d, but only wrote %d\n", |
249 | __func__, size, status); | |
1da177e4 LT |
250 | return -ECOMM; |
251 | } | |
252 | return 0; | |
253 | } | |
254 | ||
2742fd88 | 255 | static int send_cmd(struct usb_device *dev, __u8 command, |
1da177e4 LT |
256 | __u8 moduleid, __u16 value, u8 *data, |
257 | int size) | |
258 | { | |
2742fd88 | 259 | return ti_vsend_sync(dev, command, value, moduleid, data, size); |
1da177e4 LT |
260 | } |
261 | ||
262 | /* clear tx/rx buffers and fifo in TI UMP */ | |
2742fd88 | 263 | static int purge_port(struct usb_serial_port *port, __u16 mask) |
1da177e4 LT |
264 | { |
265 | int port_number = port->number - port->serial->minor; | |
266 | ||
67e6da70 | 267 | dev_dbg(&port->dev, "%s - port %d, mask %x\n", __func__, port_number, mask); |
1da177e4 | 268 | |
2742fd88 | 269 | return send_cmd(port->serial->dev, |
1da177e4 LT |
270 | UMPC_PURGE_PORT, |
271 | (__u8)(UMPM_UART1_PORT + port_number), | |
272 | mask, | |
273 | NULL, | |
274 | 0); | |
275 | } | |
276 | ||
277 | /** | |
2742fd88 | 278 | * read_download_mem - Read edgeport memory from TI chip |
1da177e4 LT |
279 | * @dev: usb device pointer |
280 | * @start_address: Device CPU address at which to read | |
281 | * @length: Length of above data | |
282 | * @address_type: Can read both XDATA and I2C | |
283 | * @buffer: pointer to input data buffer | |
284 | */ | |
2742fd88 | 285 | static int read_download_mem(struct usb_device *dev, int start_address, |
1da177e4 LT |
286 | int length, __u8 address_type, __u8 *buffer) |
287 | { | |
288 | int status = 0; | |
289 | __u8 read_length; | |
290 | __be16 be_start_address; | |
2742fd88 | 291 | |
67e6da70 | 292 | dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, length); |
1da177e4 LT |
293 | |
294 | /* Read in blocks of 64 bytes | |
295 | * (TI firmware can't handle more than 64 byte reads) | |
296 | */ | |
297 | while (length) { | |
298 | if (length > 64) | |
2742fd88 | 299 | read_length = 64; |
1da177e4 LT |
300 | else |
301 | read_length = (__u8)length; | |
302 | ||
303 | if (read_length > 1) { | |
67e6da70 | 304 | dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, read_length); |
1da177e4 | 305 | } |
2742fd88 AC |
306 | be_start_address = cpu_to_be16(start_address); |
307 | status = ti_vread_sync(dev, UMPC_MEMORY_READ, | |
308 | (__u16)address_type, | |
309 | (__force __u16)be_start_address, | |
310 | buffer, read_length); | |
1da177e4 LT |
311 | |
312 | if (status) { | |
67e6da70 | 313 | dev_dbg(&dev->dev, "%s - ERROR %x\n", __func__, status); |
1da177e4 LT |
314 | return status; |
315 | } | |
316 | ||
2742fd88 | 317 | if (read_length > 1) |
59d33f2f | 318 | usb_serial_debug_data(&dev->dev, __func__, read_length, buffer); |
1da177e4 LT |
319 | |
320 | /* Update pointers/length */ | |
321 | start_address += read_length; | |
322 | buffer += read_length; | |
323 | length -= read_length; | |
324 | } | |
2742fd88 | 325 | |
1da177e4 LT |
326 | return status; |
327 | } | |
328 | ||
2742fd88 AC |
329 | static int read_ram(struct usb_device *dev, int start_address, |
330 | int length, __u8 *buffer) | |
1da177e4 | 331 | { |
2742fd88 AC |
332 | return read_download_mem(dev, start_address, length, |
333 | DTK_ADDR_SPACE_XDATA, buffer); | |
1da177e4 LT |
334 | } |
335 | ||
336 | /* Read edgeport memory to a given block */ | |
2742fd88 AC |
337 | static int read_boot_mem(struct edgeport_serial *serial, |
338 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
339 | { |
340 | int status = 0; | |
341 | int i; | |
342 | ||
2742fd88 AC |
343 | for (i = 0; i < length; i++) { |
344 | status = ti_vread_sync(serial->serial->dev, | |
345 | UMPC_MEMORY_READ, serial->TI_I2C_Type, | |
346 | (__u16)(start_address+i), &buffer[i], 0x01); | |
1da177e4 | 347 | if (status) { |
67e6da70 | 348 | dev_dbg(&serial->serial->dev->dev, "%s - ERROR %x\n", __func__, status); |
1da177e4 LT |
349 | return status; |
350 | } | |
351 | } | |
352 | ||
67e6da70 GKH |
353 | dev_dbg(&serial->serial->dev->dev, "%s - start_address = %x, length = %d\n", |
354 | __func__, start_address, length); | |
59d33f2f | 355 | usb_serial_debug_data(&serial->serial->dev->dev, __func__, length, buffer); |
1da177e4 LT |
356 | |
357 | serial->TiReadI2C = 1; | |
358 | ||
359 | return status; | |
360 | } | |
361 | ||
362 | /* Write given block to TI EPROM memory */ | |
2742fd88 AC |
363 | static int write_boot_mem(struct edgeport_serial *serial, |
364 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
365 | { |
366 | int status = 0; | |
367 | int i; | |
e9305d2f | 368 | u8 *temp; |
1da177e4 LT |
369 | |
370 | /* Must do a read before write */ | |
371 | if (!serial->TiReadI2C) { | |
e9305d2f JH |
372 | temp = kmalloc(1, GFP_KERNEL); |
373 | if (!temp) { | |
374 | dev_err(&serial->serial->dev->dev, | |
375 | "%s - out of memory\n", __func__); | |
376 | return -ENOMEM; | |
377 | } | |
378 | status = read_boot_mem(serial, 0, 1, temp); | |
379 | kfree(temp); | |
1da177e4 LT |
380 | if (status) |
381 | return status; | |
382 | } | |
383 | ||
2742fd88 AC |
384 | for (i = 0; i < length; ++i) { |
385 | status = ti_vsend_sync(serial->serial->dev, | |
386 | UMPC_MEMORY_WRITE, buffer[i], | |
387 | (__u16)(i + start_address), NULL, 0); | |
1da177e4 LT |
388 | if (status) |
389 | return status; | |
390 | } | |
391 | ||
67e6da70 | 392 | dev_dbg(&serial->serial->dev->dev, "%s - start_sddr = %x, length = %d\n", __func__, start_address, length); |
59d33f2f | 393 | usb_serial_debug_data(&serial->serial->dev->dev, __func__, length, buffer); |
1da177e4 LT |
394 | |
395 | return status; | |
396 | } | |
397 | ||
398 | ||
399 | /* Write edgeport I2C memory to TI chip */ | |
2742fd88 AC |
400 | static int write_i2c_mem(struct edgeport_serial *serial, |
401 | int start_address, int length, __u8 address_type, __u8 *buffer) | |
1da177e4 | 402 | { |
67e6da70 | 403 | struct device *dev = &serial->serial->dev->dev; |
1da177e4 LT |
404 | int status = 0; |
405 | int write_length; | |
406 | __be16 be_start_address; | |
407 | ||
408 | /* We can only send a maximum of 1 aligned byte page at a time */ | |
2742fd88 | 409 | |
25985edc | 410 | /* calculate the number of bytes left in the first page */ |
2742fd88 AC |
411 | write_length = EPROM_PAGE_SIZE - |
412 | (start_address & (EPROM_PAGE_SIZE - 1)); | |
1da177e4 LT |
413 | |
414 | if (write_length > length) | |
415 | write_length = length; | |
416 | ||
67e6da70 GKH |
417 | dev_dbg(dev, "%s - BytesInFirstPage Addr = %x, length = %d\n", |
418 | __func__, start_address, write_length); | |
59d33f2f | 419 | usb_serial_debug_data(dev, __func__, write_length, buffer); |
1da177e4 LT |
420 | |
421 | /* Write first page */ | |
2742fd88 AC |
422 | be_start_address = cpu_to_be16(start_address); |
423 | status = ti_vsend_sync(serial->serial->dev, | |
424 | UMPC_MEMORY_WRITE, (__u16)address_type, | |
425 | (__force __u16)be_start_address, | |
426 | buffer, write_length); | |
1da177e4 | 427 | if (status) { |
67e6da70 | 428 | dev_dbg(dev, "%s - ERROR %d\n", __func__, status); |
1da177e4 LT |
429 | return status; |
430 | } | |
431 | ||
432 | length -= write_length; | |
433 | start_address += write_length; | |
434 | buffer += write_length; | |
435 | ||
2742fd88 AC |
436 | /* We should be aligned now -- can write |
437 | max page size bytes at a time */ | |
1da177e4 LT |
438 | while (length) { |
439 | if (length > EPROM_PAGE_SIZE) | |
440 | write_length = EPROM_PAGE_SIZE; | |
441 | else | |
442 | write_length = length; | |
443 | ||
67e6da70 GKH |
444 | dev_dbg(dev, "%s - Page Write Addr = %x, length = %d\n", |
445 | __func__, start_address, write_length); | |
59d33f2f | 446 | usb_serial_debug_data(dev, __func__, write_length, buffer); |
1da177e4 LT |
447 | |
448 | /* Write next page */ | |
2742fd88 AC |
449 | be_start_address = cpu_to_be16(start_address); |
450 | status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, | |
451 | (__u16)address_type, | |
452 | (__force __u16)be_start_address, | |
453 | buffer, write_length); | |
1da177e4 | 454 | if (status) { |
67e6da70 | 455 | dev_err(dev, "%s - ERROR %d\n", __func__, status); |
1da177e4 LT |
456 | return status; |
457 | } | |
2742fd88 | 458 | |
1da177e4 LT |
459 | length -= write_length; |
460 | start_address += write_length; | |
461 | buffer += write_length; | |
462 | } | |
463 | return status; | |
464 | } | |
465 | ||
466 | /* Examine the UMP DMA registers and LSR | |
2742fd88 | 467 | * |
1da177e4 LT |
468 | * Check the MSBit of the X and Y DMA byte count registers. |
469 | * A zero in this bit indicates that the TX DMA buffers are empty | |
470 | * then check the TX Empty bit in the UART. | |
471 | */ | |
2742fd88 | 472 | static int tx_active(struct edgeport_port *port) |
1da177e4 LT |
473 | { |
474 | int status; | |
475 | struct out_endpoint_desc_block *oedb; | |
476 | __u8 *lsr; | |
477 | int bytes_left = 0; | |
478 | ||
2742fd88 | 479 | oedb = kmalloc(sizeof(*oedb), GFP_KERNEL); |
1da177e4 | 480 | if (!oedb) { |
2742fd88 | 481 | dev_err(&port->port->dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
482 | return -ENOMEM; |
483 | } | |
484 | ||
2742fd88 | 485 | lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte, |
1da177e4 LT |
486 | as not all platforms can do DMA |
487 | from stack */ | |
488 | if (!lsr) { | |
489 | kfree(oedb); | |
490 | return -ENOMEM; | |
491 | } | |
492 | /* Read the DMA Count Registers */ | |
2742fd88 AC |
493 | status = read_ram(port->port->serial->dev, port->dma_address, |
494 | sizeof(*oedb), (void *)oedb); | |
1da177e4 LT |
495 | if (status) |
496 | goto exit_is_tx_active; | |
497 | ||
67e6da70 | 498 | dev_dbg(&port->port->dev, "%s - XByteCount 0x%X\n", __func__, oedb->XByteCount); |
1da177e4 LT |
499 | |
500 | /* and the LSR */ | |
2742fd88 AC |
501 | status = read_ram(port->port->serial->dev, |
502 | port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr); | |
1da177e4 LT |
503 | |
504 | if (status) | |
505 | goto exit_is_tx_active; | |
67e6da70 | 506 | dev_dbg(&port->port->dev, "%s - LSR = 0x%X\n", __func__, *lsr); |
2742fd88 | 507 | |
1da177e4 | 508 | /* If either buffer has data or we are transmitting then return TRUE */ |
2742fd88 | 509 | if ((oedb->XByteCount & 0x80) != 0) |
1da177e4 LT |
510 | bytes_left += 64; |
511 | ||
2742fd88 | 512 | if ((*lsr & UMP_UART_LSR_TX_MASK) == 0) |
1da177e4 LT |
513 | bytes_left += 1; |
514 | ||
515 | /* We return Not Active if we get any kind of error */ | |
516 | exit_is_tx_active: | |
67e6da70 | 517 | dev_dbg(&port->port->dev, "%s - return %d\n", __func__, bytes_left); |
1da177e4 LT |
518 | |
519 | kfree(lsr); | |
520 | kfree(oedb); | |
521 | return bytes_left; | |
522 | } | |
523 | ||
2742fd88 AC |
524 | static void chase_port(struct edgeport_port *port, unsigned long timeout, |
525 | int flush) | |
1da177e4 LT |
526 | { |
527 | int baud_rate; | |
4a90f09b | 528 | struct tty_struct *tty = tty_port_tty_get(&port->port->port); |
af581059 | 529 | struct usb_serial *serial = port->port->serial; |
1da177e4 LT |
530 | wait_queue_t wait; |
531 | unsigned long flags; | |
532 | ||
533 | if (!timeout) | |
2742fd88 | 534 | timeout = (HZ * EDGE_CLOSING_WAIT)/100; |
1da177e4 LT |
535 | |
536 | /* wait for data to drain from the buffer */ | |
537 | spin_lock_irqsave(&port->ep_lock, flags); | |
538 | init_waitqueue_entry(&wait, current); | |
539 | add_wait_queue(&tty->write_wait, &wait); | |
540 | for (;;) { | |
541 | set_current_state(TASK_INTERRUPTIBLE); | |
d733cec1 | 542 | if (kfifo_len(&port->write_fifo) == 0 |
1da177e4 | 543 | || timeout == 0 || signal_pending(current) |
af581059 | 544 | || serial->disconnected) |
2742fd88 | 545 | /* disconnect */ |
1da177e4 LT |
546 | break; |
547 | spin_unlock_irqrestore(&port->ep_lock, flags); | |
548 | timeout = schedule_timeout(timeout); | |
549 | spin_lock_irqsave(&port->ep_lock, flags); | |
550 | } | |
551 | set_current_state(TASK_RUNNING); | |
552 | remove_wait_queue(&tty->write_wait, &wait); | |
553 | if (flush) | |
d733cec1 | 554 | kfifo_reset_out(&port->write_fifo); |
1da177e4 | 555 | spin_unlock_irqrestore(&port->ep_lock, flags); |
4a90f09b | 556 | tty_kref_put(tty); |
1da177e4 LT |
557 | |
558 | /* wait for data to drain from the device */ | |
559 | timeout += jiffies; | |
560 | while ((long)(jiffies - timeout) < 0 && !signal_pending(current) | |
af581059 | 561 | && !serial->disconnected) { |
2742fd88 AC |
562 | /* not disconnected */ |
563 | if (!tx_active(port)) | |
1da177e4 LT |
564 | break; |
565 | msleep(10); | |
566 | } | |
567 | ||
568 | /* disconnected */ | |
af581059 | 569 | if (serial->disconnected) |
1da177e4 LT |
570 | return; |
571 | ||
572 | /* wait one more character time, based on baud rate */ | |
2742fd88 AC |
573 | /* (tx_active doesn't seem to wait for the last byte) */ |
574 | baud_rate = port->baud_rate; | |
575 | if (baud_rate == 0) | |
1da177e4 | 576 | baud_rate = 50; |
dfa5ec79 | 577 | msleep(max(1, DIV_ROUND_UP(10000, baud_rate))); |
1da177e4 LT |
578 | } |
579 | ||
2742fd88 | 580 | static int choose_config(struct usb_device *dev) |
1da177e4 | 581 | { |
2742fd88 AC |
582 | /* |
583 | * There may be multiple configurations on this device, in which case | |
584 | * we would need to read and parse all of them to find out which one | |
585 | * we want. However, we just support one config at this point, | |
586 | * configuration # 1, which is Config Descriptor 0. | |
587 | */ | |
1da177e4 | 588 | |
67e6da70 GKH |
589 | dev_dbg(&dev->dev, "%s - Number of Interfaces = %d\n", |
590 | __func__, dev->config->desc.bNumInterfaces); | |
591 | dev_dbg(&dev->dev, "%s - MAX Power = %d\n", | |
592 | __func__, dev->config->desc.bMaxPower * 2); | |
1da177e4 LT |
593 | |
594 | if (dev->config->desc.bNumInterfaces != 1) { | |
67e6da70 | 595 | dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", __func__); |
1da177e4 LT |
596 | return -ENODEV; |
597 | } | |
598 | ||
599 | return 0; | |
600 | } | |
601 | ||
2742fd88 AC |
602 | static int read_rom(struct edgeport_serial *serial, |
603 | int start_address, int length, __u8 *buffer) | |
1da177e4 LT |
604 | { |
605 | int status; | |
606 | ||
607 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
2742fd88 | 608 | status = read_download_mem(serial->serial->dev, |
1da177e4 LT |
609 | start_address, |
610 | length, | |
611 | serial->TI_I2C_Type, | |
612 | buffer); | |
613 | } else { | |
2742fd88 AC |
614 | status = read_boot_mem(serial, start_address, length, |
615 | buffer); | |
1da177e4 | 616 | } |
1da177e4 LT |
617 | return status; |
618 | } | |
619 | ||
2742fd88 AC |
620 | static int write_rom(struct edgeport_serial *serial, int start_address, |
621 | int length, __u8 *buffer) | |
1da177e4 LT |
622 | { |
623 | if (serial->product_info.TiMode == TI_MODE_BOOT) | |
2742fd88 AC |
624 | return write_boot_mem(serial, start_address, length, |
625 | buffer); | |
1da177e4 LT |
626 | |
627 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) | |
2742fd88 AC |
628 | return write_i2c_mem(serial, start_address, length, |
629 | serial->TI_I2C_Type, buffer); | |
1da177e4 LT |
630 | return -EINVAL; |
631 | } | |
632 | ||
633 | ||
634 | ||
635 | /* Read a descriptor header from I2C based on type */ | |
2742fd88 AC |
636 | static int get_descriptor_addr(struct edgeport_serial *serial, |
637 | int desc_type, struct ti_i2c_desc *rom_desc) | |
1da177e4 LT |
638 | { |
639 | int start_address; | |
640 | int status; | |
641 | ||
642 | /* Search for requested descriptor in I2C */ | |
643 | start_address = 2; | |
644 | do { | |
2742fd88 | 645 | status = read_rom(serial, |
1da177e4 LT |
646 | start_address, |
647 | sizeof(struct ti_i2c_desc), | |
2742fd88 | 648 | (__u8 *)rom_desc); |
1da177e4 LT |
649 | if (status) |
650 | return 0; | |
651 | ||
652 | if (rom_desc->Type == desc_type) | |
653 | return start_address; | |
654 | ||
2742fd88 AC |
655 | start_address = start_address + sizeof(struct ti_i2c_desc) |
656 | + rom_desc->Size; | |
1da177e4 LT |
657 | |
658 | } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); | |
2742fd88 | 659 | |
1da177e4 LT |
660 | return 0; |
661 | } | |
662 | ||
663 | /* Validate descriptor checksum */ | |
2742fd88 | 664 | static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer) |
1da177e4 LT |
665 | { |
666 | __u16 i; | |
667 | __u8 cs = 0; | |
668 | ||
2742fd88 | 669 | for (i = 0; i < rom_desc->Size; i++) |
1da177e4 | 670 | cs = (__u8)(cs + buffer[i]); |
2742fd88 | 671 | |
1da177e4 | 672 | if (cs != rom_desc->CheckSum) { |
67e6da70 | 673 | pr_debug("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); |
1da177e4 LT |
674 | return -EINVAL; |
675 | } | |
676 | return 0; | |
677 | } | |
678 | ||
679 | /* Make sure that the I2C image is good */ | |
2742fd88 | 680 | static int check_i2c_image(struct edgeport_serial *serial) |
1da177e4 LT |
681 | { |
682 | struct device *dev = &serial->serial->dev->dev; | |
683 | int status = 0; | |
684 | struct ti_i2c_desc *rom_desc; | |
685 | int start_address = 2; | |
686 | __u8 *buffer; | |
687 | __u16 ttype; | |
688 | ||
2742fd88 | 689 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 690 | if (!rom_desc) { |
2742fd88 | 691 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
692 | return -ENOMEM; |
693 | } | |
2742fd88 | 694 | buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL); |
1da177e4 | 695 | if (!buffer) { |
2742fd88 AC |
696 | dev_err(dev, "%s - out of memory when allocating buffer\n", |
697 | __func__); | |
698 | kfree(rom_desc); | |
1da177e4 LT |
699 | return -ENOMEM; |
700 | } | |
701 | ||
2742fd88 AC |
702 | /* Read the first byte (Signature0) must be 0x52 or 0x10 */ |
703 | status = read_rom(serial, 0, 1, buffer); | |
1da177e4 | 704 | if (status) |
2742fd88 | 705 | goto out; |
1da177e4 LT |
706 | |
707 | if (*buffer != UMP5152 && *buffer != UMP3410) { | |
2742fd88 | 708 | dev_err(dev, "%s - invalid buffer signature\n", __func__); |
1da177e4 | 709 | status = -ENODEV; |
2742fd88 | 710 | goto out; |
1da177e4 LT |
711 | } |
712 | ||
713 | do { | |
2742fd88 AC |
714 | /* Validate the I2C */ |
715 | status = read_rom(serial, | |
1da177e4 LT |
716 | start_address, |
717 | sizeof(struct ti_i2c_desc), | |
718 | (__u8 *)rom_desc); | |
719 | if (status) | |
720 | break; | |
721 | ||
2742fd88 AC |
722 | if ((start_address + sizeof(struct ti_i2c_desc) + |
723 | rom_desc->Size) > TI_MAX_I2C_SIZE) { | |
1da177e4 | 724 | status = -ENODEV; |
67e6da70 | 725 | dev_dbg(dev, "%s - structure too big, erroring out.\n", __func__); |
1da177e4 LT |
726 | break; |
727 | } | |
728 | ||
67e6da70 | 729 | dev_dbg(dev, "%s Type = 0x%x\n", __func__, rom_desc->Type); |
1da177e4 | 730 | |
2742fd88 | 731 | /* Skip type 2 record */ |
1da177e4 | 732 | ttype = rom_desc->Type & 0x0f; |
2742fd88 AC |
733 | if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC |
734 | && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) { | |
735 | /* Read the descriptor data */ | |
736 | status = read_rom(serial, start_address + | |
737 | sizeof(struct ti_i2c_desc), | |
738 | rom_desc->Size, buffer); | |
1da177e4 LT |
739 | if (status) |
740 | break; | |
741 | ||
2742fd88 | 742 | status = valid_csum(rom_desc, buffer); |
1da177e4 LT |
743 | if (status) |
744 | break; | |
745 | } | |
2742fd88 AC |
746 | start_address = start_address + sizeof(struct ti_i2c_desc) + |
747 | rom_desc->Size; | |
1da177e4 | 748 | |
2742fd88 AC |
749 | } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && |
750 | (start_address < TI_MAX_I2C_SIZE)); | |
1da177e4 | 751 | |
2742fd88 AC |
752 | if ((rom_desc->Type != I2C_DESC_TYPE_ION) || |
753 | (start_address > TI_MAX_I2C_SIZE)) | |
1da177e4 LT |
754 | status = -ENODEV; |
755 | ||
2742fd88 AC |
756 | out: |
757 | kfree(buffer); | |
758 | kfree(rom_desc); | |
1da177e4 LT |
759 | return status; |
760 | } | |
761 | ||
2742fd88 | 762 | static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer) |
1da177e4 LT |
763 | { |
764 | int status; | |
765 | int start_address; | |
766 | struct ti_i2c_desc *rom_desc; | |
767 | struct edge_ti_manuf_descriptor *desc; | |
67e6da70 | 768 | struct device *dev = &serial->serial->dev->dev; |
1da177e4 | 769 | |
2742fd88 | 770 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 771 | if (!rom_desc) { |
67e6da70 | 772 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
773 | return -ENOMEM; |
774 | } | |
2742fd88 AC |
775 | start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION, |
776 | rom_desc); | |
1da177e4 LT |
777 | |
778 | if (!start_address) { | |
67e6da70 | 779 | dev_dbg(dev, "%s - Edge Descriptor not found in I2C\n", __func__); |
1da177e4 LT |
780 | status = -ENODEV; |
781 | goto exit; | |
782 | } | |
783 | ||
2742fd88 AC |
784 | /* Read the descriptor data */ |
785 | status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc), | |
786 | rom_desc->Size, buffer); | |
1da177e4 LT |
787 | if (status) |
788 | goto exit; | |
2742fd88 AC |
789 | |
790 | status = valid_csum(rom_desc, buffer); | |
791 | ||
1da177e4 | 792 | desc = (struct edge_ti_manuf_descriptor *)buffer; |
67e6da70 GKH |
793 | dev_dbg(dev, "%s - IonConfig 0x%x\n", __func__, desc->IonConfig); |
794 | dev_dbg(dev, "%s - Version %d\n", __func__, desc->Version); | |
795 | dev_dbg(dev, "%s - Cpu/Board 0x%x\n", __func__, desc->CpuRev_BoardRev); | |
796 | dev_dbg(dev, "%s - NumPorts %d\n", __func__, desc->NumPorts); | |
797 | dev_dbg(dev, "%s - NumVirtualPorts %d\n", __func__, desc->NumVirtualPorts); | |
798 | dev_dbg(dev, "%s - TotalPorts %d\n", __func__, desc->TotalPorts); | |
1da177e4 LT |
799 | |
800 | exit: | |
2742fd88 | 801 | kfree(rom_desc); |
1da177e4 LT |
802 | return status; |
803 | } | |
804 | ||
805 | /* Build firmware header used for firmware update */ | |
2742fd88 | 806 | static int build_i2c_fw_hdr(__u8 *header, struct device *dev) |
1da177e4 LT |
807 | { |
808 | __u8 *buffer; | |
809 | int buffer_size; | |
810 | int i; | |
d12b219a | 811 | int err; |
1da177e4 LT |
812 | __u8 cs = 0; |
813 | struct ti_i2c_desc *i2c_header; | |
814 | struct ti_i2c_image_header *img_header; | |
815 | struct ti_i2c_firmware_rec *firmware_rec; | |
d12b219a JS |
816 | const struct firmware *fw; |
817 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 | 818 | |
2742fd88 AC |
819 | /* In order to update the I2C firmware we must change the type 2 record |
820 | * to type 0xF2. This will force the UMP to come up in Boot Mode. | |
821 | * Then while in boot mode, the driver will download the latest | |
822 | * firmware (padded to 15.5k) into the UMP ram. And finally when the | |
823 | * device comes back up in download mode the driver will cause the new | |
824 | * firmware to be copied from the UMP Ram to I2C and the firmware will | |
825 | * update the record type from 0xf2 to 0x02. | |
826 | */ | |
827 | ||
828 | /* Allocate a 15.5k buffer + 2 bytes for version number | |
829 | * (Firmware Record) */ | |
830 | buffer_size = (((1024 * 16) - 512 ) + | |
831 | sizeof(struct ti_i2c_firmware_rec)); | |
832 | ||
833 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 834 | if (!buffer) { |
2742fd88 | 835 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
836 | return -ENOMEM; |
837 | } | |
2742fd88 | 838 | |
1da177e4 | 839 | // Set entire image of 0xffs |
2742fd88 | 840 | memset(buffer, 0xff, buffer_size); |
1da177e4 | 841 | |
d12b219a JS |
842 | err = request_firmware(&fw, fw_name, dev); |
843 | if (err) { | |
d9bb03dc GKH |
844 | dev_err(dev, "Failed to load image \"%s\" err %d\n", |
845 | fw_name, err); | |
d12b219a JS |
846 | kfree(buffer); |
847 | return err; | |
848 | } | |
849 | ||
850 | /* Save Download Version Number */ | |
851 | OperationalMajorVersion = fw->data[0]; | |
852 | OperationalMinorVersion = fw->data[1]; | |
853 | OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); | |
854 | ||
2742fd88 | 855 | /* Copy version number into firmware record */ |
1da177e4 LT |
856 | firmware_rec = (struct ti_i2c_firmware_rec *)buffer; |
857 | ||
d12b219a JS |
858 | firmware_rec->Ver_Major = OperationalMajorVersion; |
859 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 | 860 | |
2742fd88 | 861 | /* Pointer to fw_down memory image */ |
d12b219a | 862 | img_header = (struct ti_i2c_image_header *)&fw->data[4]; |
1da177e4 | 863 | |
2742fd88 | 864 | memcpy(buffer + sizeof(struct ti_i2c_firmware_rec), |
d12b219a | 865 | &fw->data[4 + sizeof(struct ti_i2c_image_header)], |
1da177e4 LT |
866 | le16_to_cpu(img_header->Length)); |
867 | ||
d12b219a JS |
868 | release_firmware(fw); |
869 | ||
1da177e4 LT |
870 | for (i=0; i < buffer_size; i++) { |
871 | cs = (__u8)(cs + buffer[i]); | |
872 | } | |
873 | ||
2742fd88 | 874 | kfree(buffer); |
1da177e4 | 875 | |
2742fd88 | 876 | /* Build new header */ |
1da177e4 LT |
877 | i2c_header = (struct ti_i2c_desc *)header; |
878 | firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; | |
2742fd88 | 879 | |
1da177e4 LT |
880 | i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; |
881 | i2c_header->Size = (__u16)buffer_size; | |
882 | i2c_header->CheckSum = cs; | |
d12b219a JS |
883 | firmware_rec->Ver_Major = OperationalMajorVersion; |
884 | firmware_rec->Ver_Minor = OperationalMinorVersion; | |
1da177e4 LT |
885 | |
886 | return 0; | |
887 | } | |
888 | ||
889 | /* Try to figure out what type of I2c we have */ | |
2742fd88 | 890 | static int i2c_type_bootmode(struct edgeport_serial *serial) |
1da177e4 | 891 | { |
67e6da70 | 892 | struct device *dev = &serial->serial->dev->dev; |
1da177e4 | 893 | int status; |
e9305d2f JH |
894 | u8 *data; |
895 | ||
896 | data = kmalloc(1, GFP_KERNEL); | |
897 | if (!data) { | |
67e6da70 | 898 | dev_err(dev, "%s - out of memory\n", __func__); |
e9305d2f JH |
899 | return -ENOMEM; |
900 | } | |
2742fd88 AC |
901 | |
902 | /* Try to read type 2 */ | |
903 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 904 | DTK_ADDR_SPACE_I2C_TYPE_II, 0, data, 0x01); |
1da177e4 | 905 | if (status) |
67e6da70 | 906 | dev_dbg(dev, "%s - read 2 status error = %d\n", __func__, status); |
1da177e4 | 907 | else |
67e6da70 | 908 | dev_dbg(dev, "%s - read 2 data = 0x%x\n", __func__, *data); |
e9305d2f | 909 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { |
67e6da70 | 910 | dev_dbg(dev, "%s - ROM_TYPE_II\n", __func__); |
1da177e4 | 911 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f | 912 | goto out; |
1da177e4 LT |
913 | } |
914 | ||
2742fd88 AC |
915 | /* Try to read type 3 */ |
916 | status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, | |
e9305d2f | 917 | DTK_ADDR_SPACE_I2C_TYPE_III, 0, data, 0x01); |
1da177e4 | 918 | if (status) |
67e6da70 | 919 | dev_dbg(dev, "%s - read 3 status error = %d\n", __func__, status); |
1da177e4 | 920 | else |
67e6da70 | 921 | dev_dbg(dev, "%s - read 2 data = 0x%x\n", __func__, *data); |
e9305d2f | 922 | if ((!status) && (*data == UMP5152 || *data == UMP3410)) { |
67e6da70 | 923 | dev_dbg(dev, "%s - ROM_TYPE_III\n", __func__); |
1da177e4 | 924 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III; |
e9305d2f | 925 | goto out; |
1da177e4 LT |
926 | } |
927 | ||
67e6da70 | 928 | dev_dbg(dev, "%s - Unknown\n", __func__); |
1da177e4 | 929 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
e9305d2f JH |
930 | status = -ENODEV; |
931 | out: | |
932 | kfree(data); | |
933 | return status; | |
1da177e4 LT |
934 | } |
935 | ||
2742fd88 AC |
936 | static int bulk_xfer(struct usb_serial *serial, void *buffer, |
937 | int length, int *num_sent) | |
1da177e4 LT |
938 | { |
939 | int status; | |
940 | ||
2742fd88 AC |
941 | status = usb_bulk_msg(serial->dev, |
942 | usb_sndbulkpipe(serial->dev, | |
943 | serial->port[0]->bulk_out_endpointAddress), | |
944 | buffer, length, num_sent, 1000); | |
1da177e4 LT |
945 | return status; |
946 | } | |
947 | ||
948 | /* Download given firmware image to the device (IN BOOT MODE) */ | |
2742fd88 AC |
949 | static int download_code(struct edgeport_serial *serial, __u8 *image, |
950 | int image_length) | |
1da177e4 LT |
951 | { |
952 | int status = 0; | |
953 | int pos; | |
954 | int transfer; | |
955 | int done; | |
956 | ||
2742fd88 | 957 | /* Transfer firmware image */ |
1da177e4 | 958 | for (pos = 0; pos < image_length; ) { |
2742fd88 | 959 | /* Read the next buffer from file */ |
1da177e4 LT |
960 | transfer = image_length - pos; |
961 | if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE) | |
962 | transfer = EDGE_FW_BULK_MAX_PACKET_SIZE; | |
963 | ||
2742fd88 AC |
964 | /* Transfer data */ |
965 | status = bulk_xfer(serial->serial, &image[pos], | |
966 | transfer, &done); | |
1da177e4 LT |
967 | if (status) |
968 | break; | |
2742fd88 | 969 | /* Advance buffer pointer */ |
1da177e4 LT |
970 | pos += done; |
971 | } | |
972 | ||
973 | return status; | |
974 | } | |
975 | ||
2742fd88 AC |
976 | /* FIXME!!! */ |
977 | static int config_boot_dev(struct usb_device *dev) | |
1da177e4 LT |
978 | { |
979 | return 0; | |
980 | } | |
981 | ||
2742fd88 AC |
982 | static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc) |
983 | { | |
984 | return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev); | |
985 | } | |
986 | ||
1da177e4 LT |
987 | /** |
988 | * DownloadTIFirmware - Download run-time operating firmware to the TI5052 | |
2742fd88 | 989 | * |
1da177e4 LT |
990 | * This routine downloads the main operating code into the TI5052, using the |
991 | * boot code already burned into E2PROM or ROM. | |
992 | */ | |
2742fd88 | 993 | static int download_fw(struct edgeport_serial *serial) |
1da177e4 LT |
994 | { |
995 | struct device *dev = &serial->serial->dev->dev; | |
996 | int status = 0; | |
997 | int start_address; | |
998 | struct edge_ti_manuf_descriptor *ti_manuf_desc; | |
999 | struct usb_interface_descriptor *interface; | |
1000 | int download_cur_ver; | |
1001 | int download_new_ver; | |
1002 | ||
1003 | /* This routine is entered by both the BOOT mode and the Download mode | |
1004 | * We can determine which code is running by the reading the config | |
1005 | * descriptor and if we have only one bulk pipe it is in boot mode | |
1006 | */ | |
1007 | serial->product_info.hardware_type = HARDWARE_TYPE_TIUMP; | |
1008 | ||
1009 | /* Default to type 2 i2c */ | |
1010 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; | |
1011 | ||
2742fd88 | 1012 | status = choose_config(serial->serial->dev); |
1da177e4 LT |
1013 | if (status) |
1014 | return status; | |
1015 | ||
1016 | interface = &serial->serial->interface->cur_altsetting->desc; | |
1017 | if (!interface) { | |
2742fd88 | 1018 | dev_err(dev, "%s - no interface set, error!\n", __func__); |
1da177e4 LT |
1019 | return -ENODEV; |
1020 | } | |
1021 | ||
2742fd88 AC |
1022 | /* |
1023 | * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING | |
1024 | * if we have more than one endpoint we are definitely in download | |
1025 | * mode | |
1026 | */ | |
1da177e4 LT |
1027 | if (interface->bNumEndpoints > 1) |
1028 | serial->product_info.TiMode = TI_MODE_DOWNLOAD; | |
1029 | else | |
2742fd88 | 1030 | /* Otherwise we will remain in configuring mode */ |
1da177e4 LT |
1031 | serial->product_info.TiMode = TI_MODE_CONFIGURING; |
1032 | ||
1da177e4 LT |
1033 | /********************************************************************/ |
1034 | /* Download Mode */ | |
1035 | /********************************************************************/ | |
1036 | if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { | |
1037 | struct ti_i2c_desc *rom_desc; | |
1038 | ||
67e6da70 | 1039 | dev_dbg(dev, "%s - RUNNING IN DOWNLOAD MODE\n", __func__); |
1da177e4 | 1040 | |
2742fd88 | 1041 | status = check_i2c_image(serial); |
1da177e4 | 1042 | if (status) { |
67e6da70 | 1043 | dev_dbg(dev, "%s - DOWNLOAD MODE -- BAD I2C\n", __func__); |
1da177e4 LT |
1044 | return status; |
1045 | } | |
2742fd88 | 1046 | |
1da177e4 LT |
1047 | /* Validate Hardware version number |
1048 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1049 | */ | |
2742fd88 | 1050 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1051 | if (!ti_manuf_desc) { |
2742fd88 | 1052 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1053 | return -ENOMEM; |
1054 | } | |
2742fd88 | 1055 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1056 | if (status) { |
2742fd88 | 1057 | kfree(ti_manuf_desc); |
1da177e4 LT |
1058 | return status; |
1059 | } | |
1060 | ||
2742fd88 AC |
1061 | /* Check version number of ION descriptor */ |
1062 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
67e6da70 | 1063 | dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n", |
2742fd88 AC |
1064 | __func__, ti_cpu_rev(ti_manuf_desc)); |
1065 | kfree(ti_manuf_desc); | |
1066 | return -EINVAL; | |
1067 | } | |
1da177e4 | 1068 | |
2742fd88 | 1069 | rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); |
1da177e4 | 1070 | if (!rom_desc) { |
2742fd88 AC |
1071 | dev_err(dev, "%s - out of memory.\n", __func__); |
1072 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1073 | return -ENOMEM; |
1074 | } | |
1075 | ||
2742fd88 AC |
1076 | /* Search for type 2 record (firmware record) */ |
1077 | start_address = get_descriptor_addr(serial, | |
1078 | I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); | |
1079 | if (start_address != 0) { | |
1da177e4 | 1080 | struct ti_i2c_firmware_rec *firmware_version; |
e9305d2f | 1081 | u8 *record; |
1da177e4 | 1082 | |
67e6da70 | 1083 | dev_dbg(dev, "%s - Found Type FIRMWARE (Type 2) record\n", __func__); |
1da177e4 | 1084 | |
2742fd88 AC |
1085 | firmware_version = kmalloc(sizeof(*firmware_version), |
1086 | GFP_KERNEL); | |
1da177e4 | 1087 | if (!firmware_version) { |
2742fd88 AC |
1088 | dev_err(dev, "%s - out of memory.\n", __func__); |
1089 | kfree(rom_desc); | |
1090 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1091 | return -ENOMEM; |
1092 | } | |
1093 | ||
2742fd88 AC |
1094 | /* Validate version number |
1095 | * Read the descriptor data | |
1096 | */ | |
1097 | status = read_rom(serial, start_address + | |
1098 | sizeof(struct ti_i2c_desc), | |
1da177e4 LT |
1099 | sizeof(struct ti_i2c_firmware_rec), |
1100 | (__u8 *)firmware_version); | |
1101 | if (status) { | |
2742fd88 AC |
1102 | kfree(firmware_version); |
1103 | kfree(rom_desc); | |
1104 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1105 | return status; |
1106 | } | |
1107 | ||
2742fd88 AC |
1108 | /* Check version number of download with current |
1109 | version in I2c */ | |
1110 | download_cur_ver = (firmware_version->Ver_Major << 8) + | |
1da177e4 | 1111 | (firmware_version->Ver_Minor); |
d12b219a JS |
1112 | download_new_ver = (OperationalMajorVersion << 8) + |
1113 | (OperationalMinorVersion); | |
1da177e4 | 1114 | |
67e6da70 GKH |
1115 | dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n", |
1116 | __func__, firmware_version->Ver_Major, | |
1117 | firmware_version->Ver_Minor, | |
1118 | OperationalMajorVersion, | |
1119 | OperationalMinorVersion); | |
1da177e4 | 1120 | |
2742fd88 AC |
1121 | /* Check if we have an old version in the I2C and |
1122 | update if necessary */ | |
0827a9ff | 1123 | if (download_cur_ver < download_new_ver) { |
67e6da70 GKH |
1124 | dev_dbg(dev, "%s - Update I2C dld from %d.%d to %d.%d\n", |
1125 | __func__, | |
1126 | firmware_version->Ver_Major, | |
1127 | firmware_version->Ver_Minor, | |
1128 | OperationalMajorVersion, | |
1129 | OperationalMinorVersion); | |
2742fd88 | 1130 | |
e9305d2f JH |
1131 | record = kmalloc(1, GFP_KERNEL); |
1132 | if (!record) { | |
1133 | dev_err(dev, "%s - out of memory.\n", | |
1134 | __func__); | |
1135 | kfree(firmware_version); | |
1136 | kfree(rom_desc); | |
1137 | kfree(ti_manuf_desc); | |
1138 | return -ENOMEM; | |
1139 | } | |
2742fd88 AC |
1140 | /* In order to update the I2C firmware we must |
1141 | * change the type 2 record to type 0xF2. This | |
1142 | * will force the UMP to come up in Boot Mode. | |
1143 | * Then while in boot mode, the driver will | |
1144 | * download the latest firmware (padded to | |
1145 | * 15.5k) into the UMP ram. Finally when the | |
1146 | * device comes back up in download mode the | |
1147 | * driver will cause the new firmware to be | |
1148 | * copied from the UMP Ram to I2C and the | |
1149 | * firmware will update the record type from | |
1150 | * 0xf2 to 0x02. | |
1151 | */ | |
e9305d2f | 1152 | *record = I2C_DESC_TYPE_FIRMWARE_BLANK; |
1da177e4 | 1153 | |
2742fd88 AC |
1154 | /* Change the I2C Firmware record type to |
1155 | 0xf2 to trigger an update */ | |
1156 | status = write_rom(serial, start_address, | |
e9305d2f | 1157 | sizeof(*record), record); |
1da177e4 | 1158 | if (status) { |
e9305d2f | 1159 | kfree(record); |
2742fd88 AC |
1160 | kfree(firmware_version); |
1161 | kfree(rom_desc); | |
1162 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1163 | return status; |
1164 | } | |
1165 | ||
2742fd88 AC |
1166 | /* verify the write -- must do this in order |
1167 | * for write to complete before we do the | |
1168 | * hardware reset | |
1169 | */ | |
1170 | status = read_rom(serial, | |
1da177e4 | 1171 | start_address, |
e9305d2f JH |
1172 | sizeof(*record), |
1173 | 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 | ||
e9305d2f | 1182 | if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) { |
67e6da70 | 1183 | dev_err(dev, "%s - error resetting device\n", __func__); |
e9305d2f | 1184 | kfree(record); |
2742fd88 AC |
1185 | kfree(firmware_version); |
1186 | kfree(rom_desc); | |
1187 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1188 | return -ENODEV; |
1189 | } | |
1190 | ||
67e6da70 | 1191 | dev_dbg(dev, "%s - HARDWARE RESET\n", __func__); |
1da177e4 | 1192 | |
2742fd88 AC |
1193 | /* Reset UMP -- Back to BOOT MODE */ |
1194 | status = ti_vsend_sync(serial->serial->dev, | |
1195 | UMPC_HARDWARE_RESET, | |
1196 | 0, 0, NULL, 0); | |
1da177e4 | 1197 | |
67e6da70 | 1198 | dev_dbg(dev, "%s - HARDWARE RESET return %d\n", __func__, status); |
1da177e4 LT |
1199 | |
1200 | /* return an error on purpose. */ | |
e9305d2f | 1201 | kfree(record); |
2742fd88 AC |
1202 | kfree(firmware_version); |
1203 | kfree(rom_desc); | |
1204 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1205 | return -ENODEV; |
1206 | } | |
2742fd88 | 1207 | kfree(firmware_version); |
1da177e4 | 1208 | } |
2742fd88 AC |
1209 | /* Search for type 0xF2 record (firmware blank record) */ |
1210 | else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { | |
1211 | #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \ | |
1212 | sizeof(struct ti_i2c_firmware_rec)) | |
1da177e4 LT |
1213 | __u8 *header; |
1214 | __u8 *vheader; | |
1215 | ||
2742fd88 | 1216 | header = kmalloc(HEADER_SIZE, GFP_KERNEL); |
1da177e4 | 1217 | if (!header) { |
2742fd88 AC |
1218 | dev_err(dev, "%s - out of memory.\n", __func__); |
1219 | kfree(rom_desc); | |
1220 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1221 | return -ENOMEM; |
1222 | } | |
2742fd88 AC |
1223 | |
1224 | vheader = kmalloc(HEADER_SIZE, GFP_KERNEL); | |
1da177e4 | 1225 | if (!vheader) { |
2742fd88 AC |
1226 | dev_err(dev, "%s - out of memory.\n", __func__); |
1227 | kfree(header); | |
1228 | kfree(rom_desc); | |
1229 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1230 | return -ENOMEM; |
1231 | } | |
2742fd88 | 1232 | |
67e6da70 | 1233 | dev_dbg(dev, "%s - Found Type BLANK FIRMWARE (Type F2) record\n", __func__); |
2742fd88 AC |
1234 | |
1235 | /* | |
1236 | * In order to update the I2C firmware we must change | |
1237 | * the type 2 record to type 0xF2. This will force the | |
1238 | * UMP to come up in Boot Mode. Then while in boot | |
1239 | * mode, the driver will download the latest firmware | |
1240 | * (padded to 15.5k) into the UMP ram. Finally when the | |
1241 | * device comes back up in download mode the driver | |
1242 | * will cause the new firmware to be copied from the | |
1243 | * UMP Ram to I2C and the firmware will update the | |
1244 | * record type from 0xf2 to 0x02. | |
1245 | */ | |
1246 | status = build_i2c_fw_hdr(header, dev); | |
1da177e4 | 1247 | if (status) { |
2742fd88 AC |
1248 | kfree(vheader); |
1249 | kfree(header); | |
1250 | kfree(rom_desc); | |
1251 | kfree(ti_manuf_desc); | |
fd6e5bbb | 1252 | return -EINVAL; |
1da177e4 LT |
1253 | } |
1254 | ||
2742fd88 AC |
1255 | /* Update I2C with type 0xf2 record with correct |
1256 | size and checksum */ | |
1257 | status = write_rom(serial, | |
1da177e4 LT |
1258 | start_address, |
1259 | HEADER_SIZE, | |
1260 | header); | |
1261 | if (status) { | |
2742fd88 AC |
1262 | kfree(vheader); |
1263 | kfree(header); | |
1264 | kfree(rom_desc); | |
1265 | kfree(ti_manuf_desc); | |
9800eb33 | 1266 | return -EINVAL; |
1da177e4 LT |
1267 | } |
1268 | ||
2742fd88 AC |
1269 | /* verify the write -- must do this in order for |
1270 | write to complete before we do the hardware reset */ | |
1271 | status = read_rom(serial, start_address, | |
1272 | HEADER_SIZE, vheader); | |
1da177e4 LT |
1273 | |
1274 | if (status) { | |
67e6da70 | 1275 | dev_dbg(dev, "%s - can't read header back\n", __func__); |
2742fd88 AC |
1276 | kfree(vheader); |
1277 | kfree(header); | |
1278 | kfree(rom_desc); | |
1279 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1280 | return status; |
1281 | } | |
1282 | if (memcmp(vheader, header, HEADER_SIZE)) { | |
67e6da70 | 1283 | dev_dbg(dev, "%s - write download record failed\n", __func__); |
2742fd88 AC |
1284 | kfree(vheader); |
1285 | kfree(header); | |
1286 | kfree(rom_desc); | |
1287 | kfree(ti_manuf_desc); | |
1e29709e | 1288 | return -EINVAL; |
1da177e4 LT |
1289 | } |
1290 | ||
2742fd88 AC |
1291 | kfree(vheader); |
1292 | kfree(header); | |
1da177e4 | 1293 | |
67e6da70 | 1294 | dev_dbg(dev, "%s - Start firmware update\n", __func__); |
1da177e4 | 1295 | |
2742fd88 AC |
1296 | /* Tell firmware to copy download image into I2C */ |
1297 | status = ti_vsend_sync(serial->serial->dev, | |
1298 | UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0); | |
1da177e4 | 1299 | |
67e6da70 | 1300 | dev_dbg(dev, "%s - Update complete 0x%x\n", __func__, status); |
1da177e4 | 1301 | if (status) { |
2742fd88 AC |
1302 | dev_err(dev, |
1303 | "%s - UMPC_COPY_DNLD_TO_I2C failed\n", | |
1304 | __func__); | |
1305 | kfree(rom_desc); | |
1306 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1307 | return status; |
1308 | } | |
1309 | } | |
1310 | ||
1311 | // The device is running the download code | |
2742fd88 AC |
1312 | kfree(rom_desc); |
1313 | kfree(ti_manuf_desc); | |
1da177e4 LT |
1314 | return 0; |
1315 | } | |
1316 | ||
1317 | /********************************************************************/ | |
1318 | /* Boot Mode */ | |
1319 | /********************************************************************/ | |
67e6da70 | 1320 | dev_dbg(dev, "%s - RUNNING IN BOOT MODE\n", __func__); |
1da177e4 | 1321 | |
2742fd88 AC |
1322 | /* Configure the TI device so we can use the BULK pipes for download */ |
1323 | status = config_boot_dev(serial->serial->dev); | |
1da177e4 LT |
1324 | if (status) |
1325 | return status; | |
1326 | ||
2742fd88 AC |
1327 | if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) |
1328 | != USB_VENDOR_ID_ION) { | |
67e6da70 GKH |
1329 | dev_dbg(dev, "%s - VID = 0x%x\n", __func__, |
1330 | le16_to_cpu(serial->serial->dev->descriptor.idVendor)); | |
1da177e4 | 1331 | serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; |
2742fd88 | 1332 | goto stayinbootmode; |
1da177e4 LT |
1333 | } |
1334 | ||
2742fd88 AC |
1335 | /* We have an ION device (I2c Must be programmed) |
1336 | Determine I2C image type */ | |
1337 | if (i2c_type_bootmode(serial)) | |
1338 | goto stayinbootmode; | |
1da177e4 | 1339 | |
2742fd88 AC |
1340 | /* Check for ION Vendor ID and that the I2C is valid */ |
1341 | if (!check_i2c_image(serial)) { | |
1da177e4 LT |
1342 | struct ti_i2c_image_header *header; |
1343 | int i; | |
1344 | __u8 cs = 0; | |
1345 | __u8 *buffer; | |
1346 | int buffer_size; | |
d12b219a JS |
1347 | int err; |
1348 | const struct firmware *fw; | |
1349 | const char *fw_name = "edgeport/down3.bin"; | |
1da177e4 LT |
1350 | |
1351 | /* Validate Hardware version number | |
1352 | * Read Manufacturing Descriptor from TI Based Edgeport | |
1353 | */ | |
2742fd88 | 1354 | ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); |
1da177e4 | 1355 | if (!ti_manuf_desc) { |
2742fd88 | 1356 | dev_err(dev, "%s - out of memory.\n", __func__); |
1da177e4 LT |
1357 | return -ENOMEM; |
1358 | } | |
2742fd88 | 1359 | status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); |
1da177e4 | 1360 | if (status) { |
2742fd88 AC |
1361 | kfree(ti_manuf_desc); |
1362 | goto stayinbootmode; | |
1da177e4 LT |
1363 | } |
1364 | ||
2742fd88 AC |
1365 | /* Check for version 2 */ |
1366 | if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { | |
67e6da70 GKH |
1367 | dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n", |
1368 | __func__, ti_cpu_rev(ti_manuf_desc)); | |
2742fd88 AC |
1369 | kfree(ti_manuf_desc); |
1370 | goto stayinbootmode; | |
1da177e4 LT |
1371 | } |
1372 | ||
2742fd88 | 1373 | kfree(ti_manuf_desc); |
1da177e4 | 1374 | |
1da177e4 | 1375 | /* |
2742fd88 AC |
1376 | * In order to update the I2C firmware we must change the type |
1377 | * 2 record to type 0xF2. This will force the UMP to come up | |
1378 | * in Boot Mode. Then while in boot mode, the driver will | |
1379 | * download the latest firmware (padded to 15.5k) into the | |
1380 | * UMP ram. Finally when the device comes back up in download | |
1381 | * mode the driver will cause the new firmware to be copied | |
1382 | * from the UMP Ram to I2C and the firmware will update the | |
1383 | * record type from 0xf2 to 0x02. | |
1384 | * | |
1da177e4 LT |
1385 | * Do we really have to copy the whole firmware image, |
1386 | * or could we do this in place! | |
1387 | */ | |
1388 | ||
2742fd88 AC |
1389 | /* Allocate a 15.5k buffer + 3 byte header */ |
1390 | buffer_size = (((1024 * 16) - 512) + | |
1391 | sizeof(struct ti_i2c_image_header)); | |
1392 | buffer = kmalloc(buffer_size, GFP_KERNEL); | |
1da177e4 | 1393 | if (!buffer) { |
2742fd88 | 1394 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
1395 | return -ENOMEM; |
1396 | } | |
2742fd88 AC |
1397 | |
1398 | /* Initialize the buffer to 0xff (pad the buffer) */ | |
1399 | memset(buffer, 0xff, buffer_size); | |
1da177e4 | 1400 | |
d12b219a JS |
1401 | err = request_firmware(&fw, fw_name, dev); |
1402 | if (err) { | |
d9bb03dc GKH |
1403 | dev_err(dev, "Failed to load image \"%s\" err %d\n", |
1404 | fw_name, err); | |
d12b219a JS |
1405 | kfree(buffer); |
1406 | return err; | |
1407 | } | |
1408 | memcpy(buffer, &fw->data[4], fw->size - 4); | |
1409 | release_firmware(fw); | |
1da177e4 | 1410 | |
2742fd88 AC |
1411 | for (i = sizeof(struct ti_i2c_image_header); |
1412 | i < buffer_size; i++) { | |
1da177e4 LT |
1413 | cs = (__u8)(cs + buffer[i]); |
1414 | } | |
2742fd88 | 1415 | |
1da177e4 | 1416 | header = (struct ti_i2c_image_header *)buffer; |
2742fd88 AC |
1417 | |
1418 | /* update length and checksum after padding */ | |
1419 | header->Length = cpu_to_le16((__u16)(buffer_size - | |
1420 | sizeof(struct ti_i2c_image_header))); | |
1da177e4 LT |
1421 | header->CheckSum = cs; |
1422 | ||
2742fd88 | 1423 | /* Download the operational code */ |
67e6da70 | 1424 | dev_dbg(dev, "%s - Downloading operational code image (TI UMP)\n", __func__); |
2742fd88 | 1425 | status = download_code(serial, buffer, buffer_size); |
1da177e4 | 1426 | |
2742fd88 | 1427 | kfree(buffer); |
1da177e4 LT |
1428 | |
1429 | if (status) { | |
67e6da70 | 1430 | dev_dbg(dev, "%s - Error downloading operational code image\n", __func__); |
1da177e4 LT |
1431 | return status; |
1432 | } | |
1433 | ||
2742fd88 | 1434 | /* Device will reboot */ |
1da177e4 LT |
1435 | serial->product_info.TiMode = TI_MODE_TRANSITIONING; |
1436 | ||
67e6da70 | 1437 | dev_dbg(dev, "%s - Download successful -- Device rebooting...\n", __func__); |
1da177e4 LT |
1438 | |
1439 | /* return an error on purpose */ | |
1440 | return -ENODEV; | |
1441 | } | |
1442 | ||
2742fd88 AC |
1443 | stayinbootmode: |
1444 | /* Eprom is invalid or blank stay in boot mode */ | |
67e6da70 | 1445 | dev_dbg(dev, "%s - STAYING IN BOOT MODE\n", __func__); |
1da177e4 LT |
1446 | serial->product_info.TiMode = TI_MODE_BOOT; |
1447 | ||
1448 | return 0; | |
1449 | } | |
1450 | ||
1451 | ||
2742fd88 | 1452 | static int ti_do_config(struct edgeport_port *port, int feature, int on) |
1da177e4 LT |
1453 | { |
1454 | int port_number = port->port->number - port->port->serial->minor; | |
2742fd88 AC |
1455 | on = !!on; /* 1 or 0 not bitmask */ |
1456 | return send_cmd(port->port->serial->dev, | |
1457 | feature, (__u8)(UMPM_UART1_PORT + port_number), | |
1458 | on, NULL, 0); | |
1da177e4 LT |
1459 | } |
1460 | ||
1da177e4 | 1461 | |
2742fd88 | 1462 | static int restore_mcr(struct edgeport_port *port, __u8 mcr) |
1da177e4 LT |
1463 | { |
1464 | int status = 0; | |
1465 | ||
67e6da70 | 1466 | dev_dbg(&port->port->dev, "%s - %x\n", __func__, mcr); |
1da177e4 | 1467 | |
2742fd88 | 1468 | status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR); |
1da177e4 LT |
1469 | if (status) |
1470 | return status; | |
2742fd88 | 1471 | status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS); |
1da177e4 LT |
1472 | if (status) |
1473 | return status; | |
2742fd88 | 1474 | return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK); |
1da177e4 LT |
1475 | } |
1476 | ||
1da177e4 | 1477 | /* Convert TI LSR to standard UART flags */ |
2742fd88 | 1478 | static __u8 map_line_status(__u8 ti_lsr) |
1da177e4 LT |
1479 | { |
1480 | __u8 lsr = 0; | |
1481 | ||
1482 | #define MAP_FLAG(flagUmp, flagUart) \ | |
1483 | if (ti_lsr & flagUmp) \ | |
1484 | lsr |= flagUart; | |
1485 | ||
1486 | MAP_FLAG(UMP_UART_LSR_OV_MASK, LSR_OVER_ERR) /* overrun */ | |
1487 | MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */ | |
1488 | MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */ | |
1489 | MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */ | |
2742fd88 AC |
1490 | MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */ |
1491 | MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */ | |
1da177e4 LT |
1492 | |
1493 | #undef MAP_FLAG | |
1494 | ||
1495 | return lsr; | |
1496 | } | |
1497 | ||
2742fd88 | 1498 | static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) |
1da177e4 LT |
1499 | { |
1500 | struct async_icount *icount; | |
1501 | struct tty_struct *tty; | |
1502 | ||
67e6da70 | 1503 | dev_dbg(&edge_port->port->dev, "%s - %02x\n", __func__, msr); |
1da177e4 | 1504 | |
2742fd88 AC |
1505 | if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | |
1506 | EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { | |
1da177e4 LT |
1507 | icount = &edge_port->icount; |
1508 | ||
1509 | /* update input line counters */ | |
1510 | if (msr & EDGEPORT_MSR_DELTA_CTS) | |
1511 | icount->cts++; | |
1512 | if (msr & EDGEPORT_MSR_DELTA_DSR) | |
1513 | icount->dsr++; | |
1514 | if (msr & EDGEPORT_MSR_DELTA_CD) | |
1515 | icount->dcd++; | |
1516 | if (msr & EDGEPORT_MSR_DELTA_RI) | |
1517 | icount->rng++; | |
2742fd88 | 1518 | wake_up_interruptible(&edge_port->delta_msr_wait); |
1da177e4 LT |
1519 | } |
1520 | ||
1521 | /* Save the new modem status */ | |
1522 | edge_port->shadow_msr = msr & 0xf0; | |
1523 | ||
4a90f09b | 1524 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 LT |
1525 | /* handle CTS flow control */ |
1526 | if (tty && C_CRTSCTS(tty)) { | |
1527 | if (msr & EDGEPORT_MSR_CTS) { | |
1528 | tty->hw_stopped = 0; | |
1529 | tty_wakeup(tty); | |
1530 | } else { | |
1531 | tty->hw_stopped = 1; | |
1532 | } | |
1533 | } | |
4a90f09b | 1534 | tty_kref_put(tty); |
1da177e4 LT |
1535 | } |
1536 | ||
2742fd88 AC |
1537 | static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, |
1538 | __u8 lsr, __u8 data) | |
1da177e4 LT |
1539 | { |
1540 | struct async_icount *icount; | |
2742fd88 AC |
1541 | __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | |
1542 | LSR_FRM_ERR | LSR_BREAK)); | |
4a90f09b | 1543 | struct tty_struct *tty; |
1da177e4 | 1544 | |
67e6da70 | 1545 | dev_dbg(&edge_port->port->dev, "%s - %02x\n", __func__, new_lsr); |
1da177e4 LT |
1546 | |
1547 | edge_port->shadow_lsr = lsr; | |
1548 | ||
2742fd88 | 1549 | if (new_lsr & LSR_BREAK) |
1da177e4 LT |
1550 | /* |
1551 | * Parity and Framing errors only count if they | |
1552 | * occur exclusive of a break being received. | |
1553 | */ | |
1554 | new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); | |
1da177e4 LT |
1555 | |
1556 | /* Place LSR data byte into Rx buffer */ | |
4a90f09b AC |
1557 | if (lsr_data) { |
1558 | tty = tty_port_tty_get(&edge_port->port->port); | |
1559 | if (tty) { | |
1560 | edge_tty_recv(&edge_port->port->dev, tty, &data, 1); | |
1561 | tty_kref_put(tty); | |
1562 | } | |
1563 | } | |
1da177e4 LT |
1564 | |
1565 | /* update input line counters */ | |
1566 | icount = &edge_port->icount; | |
1567 | if (new_lsr & LSR_BREAK) | |
1568 | icount->brk++; | |
1569 | if (new_lsr & LSR_OVER_ERR) | |
1570 | icount->overrun++; | |
1571 | if (new_lsr & LSR_PAR_ERR) | |
1572 | icount->parity++; | |
1573 | if (new_lsr & LSR_FRM_ERR) | |
1574 | icount->frame++; | |
1575 | } | |
1576 | ||
1577 | ||
2742fd88 | 1578 | static void edge_interrupt_callback(struct urb *urb) |
1da177e4 | 1579 | { |
cdc97792 | 1580 | struct edgeport_serial *edge_serial = urb->context; |
1da177e4 LT |
1581 | struct usb_serial_port *port; |
1582 | struct edgeport_port *edge_port; | |
67e6da70 | 1583 | struct device *dev; |
1da177e4 LT |
1584 | unsigned char *data = urb->transfer_buffer; |
1585 | int length = urb->actual_length; | |
1586 | int port_number; | |
1587 | int function; | |
ee337c21 | 1588 | int retval; |
1da177e4 LT |
1589 | __u8 lsr; |
1590 | __u8 msr; | |
ee337c21 | 1591 | int status = urb->status; |
1da177e4 | 1592 | |
ee337c21 | 1593 | switch (status) { |
1da177e4 LT |
1594 | case 0: |
1595 | /* success */ | |
1596 | break; | |
1597 | case -ECONNRESET: | |
1598 | case -ENOENT: | |
1599 | case -ESHUTDOWN: | |
1600 | /* this urb is terminated, clean up */ | |
67e6da70 | 1601 | dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", |
441b62c1 | 1602 | __func__, status); |
1da177e4 LT |
1603 | return; |
1604 | default: | |
ee337c21 | 1605 | dev_err(&urb->dev->dev, "%s - nonzero urb status received: " |
441b62c1 | 1606 | "%d\n", __func__, status); |
1da177e4 LT |
1607 | goto exit; |
1608 | } | |
1609 | ||
1610 | if (!length) { | |
67e6da70 | 1611 | dev_dbg(&urb->dev->dev, "%s - no data in urb\n", __func__); |
1da177e4 LT |
1612 | goto exit; |
1613 | } | |
2742fd88 | 1614 | |
67e6da70 | 1615 | dev = &edge_serial->serial->dev->dev; |
59d33f2f | 1616 | usb_serial_debug_data(dev, __func__, length, data); |
2742fd88 | 1617 | |
1da177e4 | 1618 | if (length != 2) { |
67e6da70 | 1619 | dev_dbg(dev, "%s - expecting packet of size 2, got %d\n", __func__, length); |
1da177e4 LT |
1620 | goto exit; |
1621 | } | |
1622 | ||
2742fd88 AC |
1623 | port_number = TIUMP_GET_PORT_FROM_CODE(data[0]); |
1624 | function = TIUMP_GET_FUNC_FROM_CODE(data[0]); | |
67e6da70 GKH |
1625 | dev_dbg(dev, "%s - port_number %d, function %d, info 0x%x\n", __func__, |
1626 | port_number, function, data[1]); | |
1da177e4 LT |
1627 | port = edge_serial->serial->port[port_number]; |
1628 | edge_port = usb_get_serial_port_data(port); | |
1629 | if (!edge_port) { | |
67e6da70 | 1630 | dev_dbg(dev, "%s - edge_port not found\n", __func__); |
1da177e4 LT |
1631 | return; |
1632 | } | |
1633 | switch (function) { | |
1634 | case TIUMP_INTERRUPT_CODE_LSR: | |
2742fd88 | 1635 | lsr = map_line_status(data[1]); |
1da177e4 | 1636 | if (lsr & UMP_UART_LSR_DATA_MASK) { |
2742fd88 AC |
1637 | /* Save the LSR event for bulk read |
1638 | completion routine */ | |
67e6da70 GKH |
1639 | dev_dbg(dev, "%s - LSR Event Port %u LSR Status = %02x\n", |
1640 | __func__, port_number, lsr); | |
1da177e4 LT |
1641 | edge_port->lsr_event = 1; |
1642 | edge_port->lsr_mask = lsr; | |
1643 | } else { | |
67e6da70 GKH |
1644 | dev_dbg(dev, "%s - ===== Port %d LSR Status = %02x ======\n", |
1645 | __func__, port_number, lsr); | |
2742fd88 | 1646 | handle_new_lsr(edge_port, 0, lsr, 0); |
1da177e4 LT |
1647 | } |
1648 | break; | |
1649 | ||
2742fd88 | 1650 | case TIUMP_INTERRUPT_CODE_MSR: /* MSR */ |
1da177e4 LT |
1651 | /* Copy MSR from UMP */ |
1652 | msr = data[1]; | |
67e6da70 GKH |
1653 | dev_dbg(dev, "%s - ===== Port %u MSR Status = %02x ======\n", |
1654 | __func__, port_number, msr); | |
2742fd88 | 1655 | handle_new_msr(edge_port, msr); |
1da177e4 LT |
1656 | break; |
1657 | ||
1658 | default: | |
2742fd88 AC |
1659 | dev_err(&urb->dev->dev, |
1660 | "%s - Unknown Interrupt code from UMP %x\n", | |
1661 | __func__, data[1]); | |
1da177e4 | 1662 | break; |
2742fd88 | 1663 | |
1da177e4 LT |
1664 | } |
1665 | ||
1666 | exit: | |
2742fd88 | 1667 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
ee337c21 | 1668 | if (retval) |
2742fd88 AC |
1669 | dev_err(&urb->dev->dev, |
1670 | "%s - usb_submit_urb failed with result %d\n", | |
441b62c1 | 1671 | __func__, retval); |
1da177e4 LT |
1672 | } |
1673 | ||
2742fd88 | 1674 | static void edge_bulk_in_callback(struct urb *urb) |
1da177e4 | 1675 | { |
cdc97792 | 1676 | struct edgeport_port *edge_port = urb->context; |
67e6da70 | 1677 | struct device *dev = &edge_port->port->dev; |
1da177e4 LT |
1678 | unsigned char *data = urb->transfer_buffer; |
1679 | struct tty_struct *tty; | |
ee337c21 | 1680 | int retval = 0; |
1da177e4 | 1681 | int port_number; |
ee337c21 | 1682 | int status = urb->status; |
1da177e4 | 1683 | |
ee337c21 | 1684 | switch (status) { |
1da177e4 LT |
1685 | case 0: |
1686 | /* success */ | |
1687 | break; | |
1688 | case -ECONNRESET: | |
1689 | case -ENOENT: | |
1690 | case -ESHUTDOWN: | |
1691 | /* this urb is terminated, clean up */ | |
67e6da70 | 1692 | dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", __func__, status); |
1da177e4 LT |
1693 | return; |
1694 | default: | |
67e6da70 | 1695 | dev_err(&urb->dev->dev, "%s - nonzero read bulk status received: %d\n", __func__, status); |
1da177e4 LT |
1696 | } |
1697 | ||
ee337c21 | 1698 | if (status == -EPIPE) |
1da177e4 LT |
1699 | goto exit; |
1700 | ||
ee337c21 | 1701 | if (status) { |
2742fd88 | 1702 | dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__); |
1da177e4 LT |
1703 | return; |
1704 | } | |
1705 | ||
1706 | port_number = edge_port->port->number - edge_port->port->serial->minor; | |
1707 | ||
1708 | if (edge_port->lsr_event) { | |
1709 | edge_port->lsr_event = 0; | |
67e6da70 GKH |
1710 | dev_dbg(dev, "%s ===== Port %u LSR Status = %02x, Data = %02x ======\n", |
1711 | __func__, port_number, edge_port->lsr_mask, *data); | |
2742fd88 | 1712 | handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data); |
1da177e4 LT |
1713 | /* Adjust buffer length/pointer */ |
1714 | --urb->actual_length; | |
1715 | ++data; | |
1716 | } | |
1717 | ||
4a90f09b | 1718 | tty = tty_port_tty_get(&edge_port->port->port); |
1da177e4 | 1719 | if (tty && urb->actual_length) { |
59d33f2f | 1720 | usb_serial_debug_data(dev, __func__, urb->actual_length, data); |
2742fd88 | 1721 | if (edge_port->close_pending) |
67e6da70 | 1722 | dev_dbg(dev, "%s - close pending, dropping data on the floor\n", |
2742fd88 AC |
1723 | __func__); |
1724 | else | |
67e6da70 | 1725 | edge_tty_recv(dev, tty, data, urb->actual_length); |
1da177e4 LT |
1726 | edge_port->icount.rx += urb->actual_length; |
1727 | } | |
4a90f09b | 1728 | tty_kref_put(tty); |
1da177e4 LT |
1729 | |
1730 | exit: | |
1731 | /* continue read unless stopped */ | |
1732 | spin_lock(&edge_port->ep_lock); | |
5833041f | 1733 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) |
ee337c21 | 1734 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
5833041f | 1735 | else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) |
1da177e4 | 1736 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED; |
5833041f | 1737 | |
1da177e4 | 1738 | spin_unlock(&edge_port->ep_lock); |
ee337c21 | 1739 | if (retval) |
67e6da70 | 1740 | dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, retval); |
1da177e4 LT |
1741 | } |
1742 | ||
2742fd88 AC |
1743 | static void edge_tty_recv(struct device *dev, struct tty_struct *tty, |
1744 | unsigned char *data, int length) | |
1da177e4 | 1745 | { |
2742fd88 | 1746 | int queued; |
1da177e4 | 1747 | |
2742fd88 AC |
1748 | queued = tty_insert_flip_string(tty, data, length); |
1749 | if (queued < length) | |
1750 | dev_err(dev, "%s - dropping data, %d bytes lost\n", | |
1751 | __func__, length - queued); | |
1da177e4 LT |
1752 | tty_flip_buffer_push(tty); |
1753 | } | |
1754 | ||
2742fd88 | 1755 | static void edge_bulk_out_callback(struct urb *urb) |
1da177e4 | 1756 | { |
cdc97792 | 1757 | struct usb_serial_port *port = urb->context; |
1da177e4 | 1758 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
ee337c21 | 1759 | int status = urb->status; |
4a90f09b | 1760 | struct tty_struct *tty; |
1da177e4 | 1761 | |
1da177e4 LT |
1762 | edge_port->ep_write_urb_in_use = 0; |
1763 | ||
ee337c21 | 1764 | switch (status) { |
1da177e4 LT |
1765 | case 0: |
1766 | /* success */ | |
1767 | break; | |
1768 | case -ECONNRESET: | |
1769 | case -ENOENT: | |
1770 | case -ESHUTDOWN: | |
1771 | /* this urb is terminated, clean up */ | |
67e6da70 | 1772 | dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", |
441b62c1 | 1773 | __func__, status); |
1da177e4 LT |
1774 | return; |
1775 | default: | |
22a416c4 | 1776 | dev_err_console(port, "%s - nonzero write bulk status " |
441b62c1 | 1777 | "received: %d\n", __func__, status); |
1da177e4 LT |
1778 | } |
1779 | ||
1780 | /* send any buffered data */ | |
4a90f09b AC |
1781 | tty = tty_port_tty_get(&port->port); |
1782 | edge_send(tty); | |
1783 | tty_kref_put(tty); | |
1da177e4 LT |
1784 | } |
1785 | ||
a509a7e4 | 1786 | static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 LT |
1787 | { |
1788 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1789 | struct edgeport_serial *edge_serial; | |
1790 | struct usb_device *dev; | |
1791 | struct urb *urb; | |
1792 | int port_number; | |
1793 | int status; | |
1794 | u16 open_settings; | |
1795 | u8 transaction_timeout; | |
1796 | ||
1da177e4 LT |
1797 | if (edge_port == NULL) |
1798 | return -ENODEV; | |
1799 | ||
1da177e4 LT |
1800 | port_number = port->number - port->serial->minor; |
1801 | switch (port_number) { | |
2742fd88 AC |
1802 | case 0: |
1803 | edge_port->uart_base = UMPMEM_BASE_UART1; | |
1804 | edge_port->dma_address = UMPD_OEDB1_ADDRESS; | |
1805 | break; | |
1806 | case 1: | |
1807 | edge_port->uart_base = UMPMEM_BASE_UART2; | |
1808 | edge_port->dma_address = UMPD_OEDB2_ADDRESS; | |
1809 | break; | |
1810 | default: | |
1811 | dev_err(&port->dev, "Unknown port number!!!\n"); | |
1812 | return -ENODEV; | |
1da177e4 LT |
1813 | } |
1814 | ||
67e6da70 GKH |
1815 | dev_dbg(&port->dev, "%s - port_number = %d, uart_base = %04x, dma_address = %04x\n", |
1816 | __func__, port_number, edge_port->uart_base, edge_port->dma_address); | |
1da177e4 LT |
1817 | |
1818 | dev = port->serial->dev; | |
1819 | ||
2742fd88 AC |
1820 | memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); |
1821 | init_waitqueue_head(&edge_port->delta_msr_wait); | |
1da177e4 LT |
1822 | |
1823 | /* turn off loopback */ | |
2742fd88 | 1824 | status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); |
1da177e4 | 1825 | if (status) { |
2742fd88 AC |
1826 | dev_err(&port->dev, |
1827 | "%s - cannot send clear loopback command, %d\n", | |
441b62c1 | 1828 | __func__, status); |
1da177e4 LT |
1829 | return status; |
1830 | } | |
2742fd88 | 1831 | |
1da177e4 | 1832 | /* set up the port settings */ |
95da310e | 1833 | if (tty) |
adc8d746 | 1834 | edge_set_termios(tty, port, &tty->termios); |
1da177e4 LT |
1835 | |
1836 | /* open up the port */ | |
1837 | ||
1838 | /* milliseconds to timeout for DMA transfer */ | |
1839 | transaction_timeout = 2; | |
1840 | ||
2742fd88 AC |
1841 | edge_port->ump_read_timeout = |
1842 | max(20, ((transaction_timeout * 3) / 2)); | |
1da177e4 | 1843 | |
2742fd88 AC |
1844 | /* milliseconds to timeout for DMA transfer */ |
1845 | open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | | |
1846 | UMP_PIPE_TRANS_TIMEOUT_ENA | | |
1da177e4 LT |
1847 | (transaction_timeout << 2)); |
1848 | ||
67e6da70 | 1849 | dev_dbg(&port->dev, "%s - Sending UMPC_OPEN_PORT\n", __func__); |
1da177e4 LT |
1850 | |
1851 | /* Tell TI to open and start the port */ | |
2742fd88 AC |
1852 | status = send_cmd(dev, UMPC_OPEN_PORT, |
1853 | (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0); | |
1da177e4 | 1854 | if (status) { |
2742fd88 AC |
1855 | dev_err(&port->dev, "%s - cannot send open command, %d\n", |
1856 | __func__, status); | |
1da177e4 LT |
1857 | return status; |
1858 | } | |
1859 | ||
1860 | /* Start the DMA? */ | |
2742fd88 AC |
1861 | status = send_cmd(dev, UMPC_START_PORT, |
1862 | (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0); | |
1da177e4 | 1863 | if (status) { |
2742fd88 AC |
1864 | dev_err(&port->dev, "%s - cannot send start DMA command, %d\n", |
1865 | __func__, status); | |
1da177e4 LT |
1866 | return status; |
1867 | } | |
1868 | ||
1869 | /* Clear TX and RX buffers in UMP */ | |
2742fd88 | 1870 | status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); |
1da177e4 | 1871 | if (status) { |
2742fd88 AC |
1872 | dev_err(&port->dev, |
1873 | "%s - cannot send clear buffers command, %d\n", | |
1874 | __func__, status); | |
1da177e4 LT |
1875 | return status; |
1876 | } | |
1877 | ||
1878 | /* Read Initial MSR */ | |
2742fd88 AC |
1879 | status = ti_vread_sync(dev, UMPC_READ_MSR, 0, |
1880 | (__u16)(UMPM_UART1_PORT + port_number), | |
1881 | &edge_port->shadow_msr, 1); | |
1da177e4 | 1882 | if (status) { |
2742fd88 AC |
1883 | dev_err(&port->dev, "%s - cannot send read MSR command, %d\n", |
1884 | __func__, status); | |
1da177e4 LT |
1885 | return status; |
1886 | } | |
1887 | ||
67e6da70 | 1888 | dev_dbg(&port->dev, "ShadowMSR 0x%X\n", edge_port->shadow_msr); |
2742fd88 | 1889 | |
1da177e4 LT |
1890 | /* Set Initial MCR */ |
1891 | edge_port->shadow_mcr = MCR_RTS | MCR_DTR; | |
67e6da70 | 1892 | dev_dbg(&port->dev, "ShadowMCR 0x%X\n", edge_port->shadow_mcr); |
1da177e4 LT |
1893 | |
1894 | edge_serial = edge_port->edge_serial; | |
241ca64f | 1895 | if (mutex_lock_interruptible(&edge_serial->es_lock)) |
1da177e4 LT |
1896 | return -ERESTARTSYS; |
1897 | if (edge_serial->num_ports_open == 0) { | |
2742fd88 | 1898 | /* we are the first port to open, post the interrupt urb */ |
1da177e4 LT |
1899 | urb = edge_serial->serial->port[0]->interrupt_in_urb; |
1900 | if (!urb) { | |
2742fd88 AC |
1901 | dev_err(&port->dev, |
1902 | "%s - no interrupt urb present, exiting\n", | |
1903 | __func__); | |
1da177e4 | 1904 | status = -EINVAL; |
241ca64f | 1905 | goto release_es_lock; |
1da177e4 | 1906 | } |
1da177e4 | 1907 | urb->context = edge_serial; |
2742fd88 | 1908 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1909 | if (status) { |
2742fd88 AC |
1910 | dev_err(&port->dev, |
1911 | "%s - usb_submit_urb failed with value %d\n", | |
1912 | __func__, status); | |
241ca64f | 1913 | goto release_es_lock; |
1da177e4 LT |
1914 | } |
1915 | } | |
1916 | ||
1917 | /* | |
1918 | * reset the data toggle on the bulk endpoints to work around bug in | |
1919 | * host controllers where things get out of sync some times | |
1920 | */ | |
2742fd88 AC |
1921 | usb_clear_halt(dev, port->write_urb->pipe); |
1922 | usb_clear_halt(dev, port->read_urb->pipe); | |
1da177e4 LT |
1923 | |
1924 | /* start up our bulk read urb */ | |
1925 | urb = port->read_urb; | |
1926 | if (!urb) { | |
2742fd88 AC |
1927 | dev_err(&port->dev, "%s - no read urb present, exiting\n", |
1928 | __func__); | |
1da177e4 LT |
1929 | status = -EINVAL; |
1930 | goto unlink_int_urb; | |
1931 | } | |
1932 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
1da177e4 | 1933 | urb->context = edge_port; |
2742fd88 | 1934 | status = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 | 1935 | if (status) { |
2742fd88 AC |
1936 | dev_err(&port->dev, |
1937 | "%s - read bulk usb_submit_urb failed with value %d\n", | |
1938 | __func__, status); | |
1da177e4 LT |
1939 | goto unlink_int_urb; |
1940 | } | |
1941 | ||
1942 | ++edge_serial->num_ports_open; | |
1943 | ||
241ca64f | 1944 | goto release_es_lock; |
1da177e4 LT |
1945 | |
1946 | unlink_int_urb: | |
1947 | if (edge_port->edge_serial->num_ports_open == 0) | |
1948 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
241ca64f MK |
1949 | release_es_lock: |
1950 | mutex_unlock(&edge_serial->es_lock); | |
1da177e4 LT |
1951 | return status; |
1952 | } | |
1953 | ||
335f8514 | 1954 | static void edge_close(struct usb_serial_port *port) |
1da177e4 LT |
1955 | { |
1956 | struct edgeport_serial *edge_serial; | |
1957 | struct edgeport_port *edge_port; | |
af581059 | 1958 | struct usb_serial *serial = port->serial; |
1da177e4 | 1959 | int port_number; |
1da177e4 | 1960 | |
1da177e4 LT |
1961 | edge_serial = usb_get_serial_data(port->serial); |
1962 | edge_port = usb_get_serial_port_data(port); | |
2742fd88 | 1963 | if (edge_serial == NULL || edge_port == NULL) |
1da177e4 | 1964 | return; |
2742fd88 AC |
1965 | |
1966 | /* The bulkreadcompletion routine will check | |
1da177e4 LT |
1967 | * this flag and dump add read data */ |
1968 | edge_port->close_pending = 1; | |
1969 | ||
1970 | /* chase the port close and flush */ | |
2742fd88 | 1971 | chase_port(edge_port, (HZ * closing_wait) / 100, 1); |
1da177e4 LT |
1972 | |
1973 | usb_kill_urb(port->read_urb); | |
1974 | usb_kill_urb(port->write_urb); | |
1975 | edge_port->ep_write_urb_in_use = 0; | |
1976 | ||
1977 | /* assuming we can still talk to the device, | |
1978 | * send a close port command to it */ | |
67e6da70 | 1979 | dev_dbg(&port->dev, "%s - send umpc_close_port\n", __func__); |
1da177e4 | 1980 | port_number = port->number - port->serial->minor; |
af581059 JH |
1981 | |
1982 | mutex_lock(&serial->disc_mutex); | |
1983 | if (!serial->disconnected) { | |
1984 | send_cmd(serial->dev, | |
1da177e4 LT |
1985 | UMPC_CLOSE_PORT, |
1986 | (__u8)(UMPM_UART1_PORT + port_number), | |
1987 | 0, | |
1988 | NULL, | |
1989 | 0); | |
af581059 JH |
1990 | } |
1991 | mutex_unlock(&serial->disc_mutex); | |
1992 | ||
241ca64f | 1993 | mutex_lock(&edge_serial->es_lock); |
1da177e4 LT |
1994 | --edge_port->edge_serial->num_ports_open; |
1995 | if (edge_port->edge_serial->num_ports_open <= 0) { | |
1996 | /* last port is now closed, let's shut down our interrupt urb */ | |
1997 | usb_kill_urb(port->serial->port[0]->interrupt_in_urb); | |
1998 | edge_port->edge_serial->num_ports_open = 0; | |
1999 | } | |
241ca64f | 2000 | mutex_unlock(&edge_serial->es_lock); |
1da177e4 | 2001 | edge_port->close_pending = 0; |
1da177e4 LT |
2002 | } |
2003 | ||
95da310e AC |
2004 | static int edge_write(struct tty_struct *tty, struct usb_serial_port *port, |
2005 | const unsigned char *data, int count) | |
1da177e4 LT |
2006 | { |
2007 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 | 2008 | |
1da177e4 | 2009 | if (count == 0) { |
67e6da70 | 2010 | dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__); |
1da177e4 LT |
2011 | return 0; |
2012 | } | |
2013 | ||
2014 | if (edge_port == NULL) | |
2015 | return -ENODEV; | |
2016 | if (edge_port->close_pending == 1) | |
2017 | return -ENODEV; | |
2018 | ||
d733cec1 JH |
2019 | count = kfifo_in_locked(&edge_port->write_fifo, data, count, |
2020 | &edge_port->ep_lock); | |
95da310e | 2021 | edge_send(tty); |
1da177e4 LT |
2022 | |
2023 | return count; | |
2024 | } | |
2025 | ||
95da310e | 2026 | static void edge_send(struct tty_struct *tty) |
1da177e4 | 2027 | { |
95da310e | 2028 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2029 | int count, result; |
2030 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
1da177e4 LT |
2031 | unsigned long flags; |
2032 | ||
1da177e4 LT |
2033 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
2034 | ||
2035 | if (edge_port->ep_write_urb_in_use) { | |
2036 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2037 | return; | |
2038 | } | |
2039 | ||
d733cec1 | 2040 | count = kfifo_out(&edge_port->write_fifo, |
1da177e4 LT |
2041 | port->write_urb->transfer_buffer, |
2042 | port->bulk_out_size); | |
2043 | ||
2044 | if (count == 0) { | |
2045 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2046 | return; | |
2047 | } | |
2048 | ||
2049 | edge_port->ep_write_urb_in_use = 1; | |
2050 | ||
2051 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2052 | ||
59d33f2f | 2053 | usb_serial_debug_data(&port->dev, __func__, count, port->write_urb->transfer_buffer); |
1da177e4 LT |
2054 | |
2055 | /* set up our urb */ | |
fd11961a | 2056 | port->write_urb->transfer_buffer_length = count; |
1da177e4 LT |
2057 | |
2058 | /* send the data out the bulk port */ | |
2059 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
2060 | if (result) { | |
22a416c4 | 2061 | dev_err_console(port, |
2742fd88 AC |
2062 | "%s - failed submitting write urb, error %d\n", |
2063 | __func__, result); | |
1da177e4 | 2064 | edge_port->ep_write_urb_in_use = 0; |
2742fd88 AC |
2065 | /* TODO: reschedule edge_send */ |
2066 | } else | |
1da177e4 | 2067 | edge_port->icount.tx += count; |
1da177e4 LT |
2068 | |
2069 | /* wakeup any process waiting for writes to complete */ | |
2070 | /* there is now more room in the buffer for new writes */ | |
2742fd88 | 2071 | if (tty) |
1da177e4 | 2072 | tty_wakeup(tty); |
1da177e4 LT |
2073 | } |
2074 | ||
95da310e | 2075 | static int edge_write_room(struct tty_struct *tty) |
1da177e4 | 2076 | { |
95da310e | 2077 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2078 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2079 | int room = 0; | |
2080 | unsigned long flags; | |
2081 | ||
1da177e4 | 2082 | if (edge_port == NULL) |
2742fd88 | 2083 | return 0; |
1da177e4 | 2084 | if (edge_port->close_pending == 1) |
2742fd88 | 2085 | return 0; |
1da177e4 LT |
2086 | |
2087 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2088 | room = kfifo_avail(&edge_port->write_fifo); |
1da177e4 LT |
2089 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2090 | ||
67e6da70 | 2091 | dev_dbg(&port->dev, "%s - returns %d\n", __func__, room); |
1da177e4 LT |
2092 | return room; |
2093 | } | |
2094 | ||
95da310e | 2095 | static int edge_chars_in_buffer(struct tty_struct *tty) |
1da177e4 | 2096 | { |
95da310e | 2097 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2098 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2099 | int chars = 0; | |
2100 | unsigned long flags; | |
2101 | ||
1da177e4 | 2102 | if (edge_port == NULL) |
2742fd88 | 2103 | return 0; |
1da177e4 | 2104 | if (edge_port->close_pending == 1) |
2742fd88 | 2105 | return 0; |
1da177e4 LT |
2106 | |
2107 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
d733cec1 | 2108 | chars = kfifo_len(&edge_port->write_fifo); |
1da177e4 LT |
2109 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
2110 | ||
67e6da70 | 2111 | dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars); |
1da177e4 LT |
2112 | return chars; |
2113 | } | |
2114 | ||
95da310e | 2115 | static void edge_throttle(struct tty_struct *tty) |
1da177e4 | 2116 | { |
95da310e | 2117 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2118 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2119 | int status; |
2120 | ||
1da177e4 LT |
2121 | if (edge_port == NULL) |
2122 | return; | |
2123 | ||
1da177e4 LT |
2124 | /* if we are implementing XON/XOFF, send the stop character */ |
2125 | if (I_IXOFF(tty)) { | |
2126 | unsigned char stop_char = STOP_CHAR(tty); | |
95da310e AC |
2127 | status = edge_write(tty, port, &stop_char, 1); |
2128 | if (status <= 0) { | |
2129 | dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status); | |
2130 | } | |
1da177e4 LT |
2131 | } |
2132 | ||
2133 | /* if we are implementing RTS/CTS, stop reads */ | |
2134 | /* and the Edgeport will clear the RTS line */ | |
2135 | if (C_CRTSCTS(tty)) | |
2136 | stop_read(edge_port); | |
2137 | ||
2138 | } | |
2139 | ||
95da310e | 2140 | static void edge_unthrottle(struct tty_struct *tty) |
1da177e4 | 2141 | { |
95da310e | 2142 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2143 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
1da177e4 LT |
2144 | int status; |
2145 | ||
1da177e4 LT |
2146 | if (edge_port == NULL) |
2147 | return; | |
2148 | ||
1da177e4 LT |
2149 | /* if we are implementing XON/XOFF, send the start character */ |
2150 | if (I_IXOFF(tty)) { | |
2151 | unsigned char start_char = START_CHAR(tty); | |
95da310e AC |
2152 | status = edge_write(tty, port, &start_char, 1); |
2153 | if (status <= 0) { | |
2154 | dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status); | |
2155 | } | |
1da177e4 | 2156 | } |
1da177e4 LT |
2157 | /* if we are implementing RTS/CTS, restart reads */ |
2158 | /* are the Edgeport will assert the RTS line */ | |
2159 | if (C_CRTSCTS(tty)) { | |
2160 | status = restart_read(edge_port); | |
2161 | if (status) | |
2742fd88 AC |
2162 | dev_err(&port->dev, |
2163 | "%s - read bulk usb_submit_urb failed: %d\n", | |
2164 | __func__, status); | |
1da177e4 LT |
2165 | } |
2166 | ||
2167 | } | |
2168 | ||
2169 | static void stop_read(struct edgeport_port *edge_port) | |
2170 | { | |
2171 | unsigned long flags; | |
2172 | ||
2173 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2174 | ||
2175 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) | |
2176 | edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPING; | |
2177 | edge_port->shadow_mcr &= ~MCR_RTS; | |
2178 | ||
2179 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2180 | } | |
2181 | ||
2182 | static int restart_read(struct edgeport_port *edge_port) | |
2183 | { | |
2184 | struct urb *urb; | |
2185 | int status = 0; | |
2186 | unsigned long flags; | |
2187 | ||
2188 | spin_lock_irqsave(&edge_port->ep_lock, flags); | |
2189 | ||
2190 | if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPED) { | |
2191 | urb = edge_port->port->read_urb; | |
efdff608 | 2192 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
2193 | } |
2194 | edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; | |
2195 | edge_port->shadow_mcr |= MCR_RTS; | |
2196 | ||
2197 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); | |
2198 | ||
2199 | return status; | |
2200 | } | |
2201 | ||
95da310e AC |
2202 | static void change_port_settings(struct tty_struct *tty, |
2203 | struct edgeport_port *edge_port, struct ktermios *old_termios) | |
1da177e4 | 2204 | { |
67e6da70 | 2205 | struct device *dev = &edge_port->port->dev; |
1da177e4 | 2206 | struct ump_uart_config *config; |
1da177e4 LT |
2207 | int baud; |
2208 | unsigned cflag; | |
2209 | int status; | |
2742fd88 AC |
2210 | int port_number = edge_port->port->number - |
2211 | edge_port->port->serial->minor; | |
1da177e4 | 2212 | |
67e6da70 | 2213 | dev_dbg(dev, "%s - port %d\n", __func__, edge_port->port->number); |
1da177e4 | 2214 | |
95da310e | 2215 | config = kmalloc (sizeof (*config), GFP_KERNEL); |
1da177e4 | 2216 | if (!config) { |
adc8d746 | 2217 | tty->termios = *old_termios; |
67e6da70 | 2218 | dev_err(dev, "%s - out of memory\n", __func__); |
1da177e4 LT |
2219 | return; |
2220 | } | |
2221 | ||
adc8d746 | 2222 | cflag = tty->termios.c_cflag; |
1da177e4 LT |
2223 | |
2224 | config->wFlags = 0; | |
2225 | ||
2226 | /* These flags must be set */ | |
2227 | config->wFlags |= UMP_MASK_UART_FLAGS_RECEIVE_MS_INT; | |
2228 | config->wFlags |= UMP_MASK_UART_FLAGS_AUTO_START_ON_ERR; | |
2229 | config->bUartMode = (__u8)(edge_port->bUartMode); | |
2230 | ||
2231 | switch (cflag & CSIZE) { | |
2742fd88 AC |
2232 | case CS5: |
2233 | config->bDataBits = UMP_UART_CHAR5BITS; | |
67e6da70 | 2234 | dev_dbg(dev, "%s - data bits = 5\n", __func__); |
2742fd88 AC |
2235 | break; |
2236 | case CS6: | |
2237 | config->bDataBits = UMP_UART_CHAR6BITS; | |
67e6da70 | 2238 | dev_dbg(dev, "%s - data bits = 6\n", __func__); |
2742fd88 AC |
2239 | break; |
2240 | case CS7: | |
2241 | config->bDataBits = UMP_UART_CHAR7BITS; | |
67e6da70 | 2242 | dev_dbg(dev, "%s - data bits = 7\n", __func__); |
2742fd88 AC |
2243 | break; |
2244 | default: | |
2245 | case CS8: | |
2246 | config->bDataBits = UMP_UART_CHAR8BITS; | |
67e6da70 | 2247 | dev_dbg(dev, "%s - data bits = 8\n", __func__); |
1da177e4 LT |
2248 | break; |
2249 | } | |
2250 | ||
2251 | if (cflag & PARENB) { | |
2252 | if (cflag & PARODD) { | |
2253 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2254 | config->bParity = UMP_UART_ODDPARITY; | |
67e6da70 | 2255 | dev_dbg(dev, "%s - parity = odd\n", __func__); |
1da177e4 LT |
2256 | } else { |
2257 | config->wFlags |= UMP_MASK_UART_FLAGS_PARITY; | |
2258 | config->bParity = UMP_UART_EVENPARITY; | |
67e6da70 | 2259 | dev_dbg(dev, "%s - parity = even\n", __func__); |
1da177e4 LT |
2260 | } |
2261 | } else { | |
2742fd88 | 2262 | config->bParity = UMP_UART_NOPARITY; |
67e6da70 | 2263 | dev_dbg(dev, "%s - parity = none\n", __func__); |
1da177e4 LT |
2264 | } |
2265 | ||
2266 | if (cflag & CSTOPB) { | |
2267 | config->bStopBits = UMP_UART_STOPBIT2; | |
67e6da70 | 2268 | dev_dbg(dev, "%s - stop bits = 2\n", __func__); |
1da177e4 LT |
2269 | } else { |
2270 | config->bStopBits = UMP_UART_STOPBIT1; | |
67e6da70 | 2271 | dev_dbg(dev, "%s - stop bits = 1\n", __func__); |
1da177e4 LT |
2272 | } |
2273 | ||
2274 | /* figure out the flow control settings */ | |
2275 | if (cflag & CRTSCTS) { | |
2276 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X_CTS_FLOW; | |
2277 | config->wFlags |= UMP_MASK_UART_FLAGS_RTS_FLOW; | |
67e6da70 | 2278 | dev_dbg(dev, "%s - RTS/CTS is enabled\n", __func__); |
1da177e4 | 2279 | } else { |
67e6da70 | 2280 | dev_dbg(dev, "%s - RTS/CTS is disabled\n", __func__); |
1da177e4 LT |
2281 | tty->hw_stopped = 0; |
2282 | restart_read(edge_port); | |
2283 | } | |
2284 | ||
2742fd88 AC |
2285 | /* if we are implementing XON/XOFF, set the start and stop |
2286 | character in the device */ | |
2287 | config->cXon = START_CHAR(tty); | |
2288 | config->cXoff = STOP_CHAR(tty); | |
1da177e4 | 2289 | |
2742fd88 AC |
2290 | /* if we are implementing INBOUND XON/XOFF */ |
2291 | if (I_IXOFF(tty)) { | |
2292 | config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; | |
67e6da70 GKH |
2293 | dev_dbg(dev, "%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n", |
2294 | __func__, config->cXon, config->cXoff); | |
2742fd88 | 2295 | } else |
67e6da70 | 2296 | dev_dbg(dev, "%s - INBOUND XON/XOFF is disabled\n", __func__); |
1da177e4 | 2297 | |
2742fd88 AC |
2298 | /* if we are implementing OUTBOUND XON/XOFF */ |
2299 | if (I_IXON(tty)) { | |
2300 | config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; | |
67e6da70 GKH |
2301 | dev_dbg(dev, "%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n", |
2302 | __func__, config->cXon, config->cXoff); | |
2742fd88 | 2303 | } else |
67e6da70 | 2304 | dev_dbg(dev, "%s - OUTBOUND XON/XOFF is disabled\n", __func__); |
1da177e4 | 2305 | |
adc8d746 | 2306 | tty->termios.c_cflag &= ~CMSPAR; |
d5f5bcd4 | 2307 | |
1da177e4 LT |
2308 | /* Round the baud rate */ |
2309 | baud = tty_get_baud_rate(tty); | |
2310 | if (!baud) { | |
2311 | /* pick a default, any default... */ | |
2312 | baud = 9600; | |
d5f5bcd4 AC |
2313 | } else |
2314 | tty_encode_baud_rate(tty, baud, baud); | |
2315 | ||
1da177e4 LT |
2316 | edge_port->baud_rate = baud; |
2317 | config->wBaudRate = (__u16)((461550L + baud/2) / baud); | |
2318 | ||
d5f5bcd4 AC |
2319 | /* FIXME: Recompute actual baud from divisor here */ |
2320 | ||
67e6da70 | 2321 | dev_dbg(dev, "%s - baud rate = %d, wBaudRate = %d\n", __func__, baud, config->wBaudRate); |
1da177e4 | 2322 | |
67e6da70 GKH |
2323 | dev_dbg(dev, "wBaudRate: %d\n", (int)(461550L / config->wBaudRate)); |
2324 | dev_dbg(dev, "wFlags: 0x%x\n", config->wFlags); | |
2325 | dev_dbg(dev, "bDataBits: %d\n", config->bDataBits); | |
2326 | dev_dbg(dev, "bParity: %d\n", config->bParity); | |
2327 | dev_dbg(dev, "bStopBits: %d\n", config->bStopBits); | |
2328 | dev_dbg(dev, "cXon: %d\n", config->cXon); | |
2329 | dev_dbg(dev, "cXoff: %d\n", config->cXoff); | |
2330 | dev_dbg(dev, "bUartMode: %d\n", config->bUartMode); | |
1da177e4 LT |
2331 | |
2332 | /* move the word values into big endian mode */ | |
2742fd88 AC |
2333 | cpu_to_be16s(&config->wFlags); |
2334 | cpu_to_be16s(&config->wBaudRate); | |
1da177e4 | 2335 | |
2742fd88 | 2336 | status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG, |
1da177e4 | 2337 | (__u8)(UMPM_UART1_PORT + port_number), |
2742fd88 AC |
2338 | 0, (__u8 *)config, sizeof(*config)); |
2339 | if (status) | |
67e6da70 GKH |
2340 | dev_dbg(dev, "%s - error %d when trying to write config to device\n", |
2341 | __func__, status); | |
2742fd88 | 2342 | kfree(config); |
1da177e4 LT |
2343 | } |
2344 | ||
2e0ddd62 | 2345 | static void edge_set_termios(struct tty_struct *tty, |
95da310e | 2346 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
2347 | { |
2348 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
95da310e AC |
2349 | unsigned int cflag; |
2350 | ||
adc8d746 | 2351 | cflag = tty->termios.c_cflag; |
1da177e4 | 2352 | |
67e6da70 | 2353 | dev_dbg(&port->dev, "%s - clfag %08x iflag %08x\n", __func__, |
d9a80746 | 2354 | tty->termios.c_cflag, tty->termios.c_iflag); |
67e6da70 GKH |
2355 | dev_dbg(&port->dev, "%s - old clfag %08x old iflag %08x\n", __func__, |
2356 | old_termios->c_cflag, old_termios->c_iflag); | |
2357 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); | |
1da177e4 LT |
2358 | |
2359 | if (edge_port == NULL) | |
2360 | return; | |
1da177e4 | 2361 | /* change the port settings to the new ones specified */ |
95da310e | 2362 | change_port_settings(tty, edge_port, old_termios); |
1da177e4 LT |
2363 | } |
2364 | ||
20b9d177 | 2365 | static int edge_tiocmset(struct tty_struct *tty, |
2742fd88 | 2366 | unsigned int set, unsigned int clear) |
1da177e4 | 2367 | { |
95da310e | 2368 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2369 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2370 | unsigned int mcr; | |
3d71fe0b | 2371 | unsigned long flags; |
1da177e4 | 2372 | |
3d71fe0b | 2373 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
1da177e4 LT |
2374 | mcr = edge_port->shadow_mcr; |
2375 | if (set & TIOCM_RTS) | |
2376 | mcr |= MCR_RTS; | |
2377 | if (set & TIOCM_DTR) | |
2378 | mcr |= MCR_DTR; | |
2379 | if (set & TIOCM_LOOP) | |
2380 | mcr |= MCR_LOOPBACK; | |
2381 | ||
2382 | if (clear & TIOCM_RTS) | |
2383 | mcr &= ~MCR_RTS; | |
2384 | if (clear & TIOCM_DTR) | |
2385 | mcr &= ~MCR_DTR; | |
2386 | if (clear & TIOCM_LOOP) | |
2387 | mcr &= ~MCR_LOOPBACK; | |
2388 | ||
2389 | edge_port->shadow_mcr = mcr; | |
3d71fe0b | 2390 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 | 2391 | |
2742fd88 | 2392 | restore_mcr(edge_port, mcr); |
1da177e4 LT |
2393 | return 0; |
2394 | } | |
2395 | ||
60b33c13 | 2396 | static int edge_tiocmget(struct tty_struct *tty) |
1da177e4 | 2397 | { |
95da310e | 2398 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2399 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2400 | unsigned int result = 0; | |
2401 | unsigned int msr; | |
2402 | unsigned int mcr; | |
3d71fe0b | 2403 | unsigned long flags; |
1da177e4 | 2404 | |
3d71fe0b AC |
2405 | spin_lock_irqsave(&edge_port->ep_lock, flags); |
2406 | ||
1da177e4 LT |
2407 | msr = edge_port->shadow_msr; |
2408 | mcr = edge_port->shadow_mcr; | |
2409 | result = ((mcr & MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */ | |
2410 | | ((mcr & MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */ | |
2411 | | ((msr & EDGEPORT_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */ | |
2412 | | ((msr & EDGEPORT_MSR_CD) ? TIOCM_CAR: 0) /* 0x040 */ | |
2413 | | ((msr & EDGEPORT_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */ | |
2414 | | ((msr & EDGEPORT_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */ | |
2415 | ||
2416 | ||
67e6da70 | 2417 | dev_dbg(&port->dev, "%s -- %x\n", __func__, result); |
3d71fe0b | 2418 | spin_unlock_irqrestore(&edge_port->ep_lock, flags); |
1da177e4 LT |
2419 | |
2420 | return result; | |
2421 | } | |
2422 | ||
0bca1b91 AC |
2423 | static int edge_get_icount(struct tty_struct *tty, |
2424 | struct serial_icounter_struct *icount) | |
2425 | { | |
2426 | struct usb_serial_port *port = tty->driver_data; | |
2427 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2428 | struct async_icount *ic = &edge_port->icount; | |
2429 | ||
2430 | icount->cts = ic->cts; | |
2431 | icount->dsr = ic->dsr; | |
2432 | icount->rng = ic->rng; | |
2433 | icount->dcd = ic->dcd; | |
2434 | icount->tx = ic->tx; | |
2435 | icount->rx = ic->rx; | |
2436 | icount->frame = ic->frame; | |
2437 | icount->parity = ic->parity; | |
2438 | icount->overrun = ic->overrun; | |
2439 | icount->brk = ic->brk; | |
2440 | icount->buf_overrun = ic->buf_overrun; | |
2441 | return 0; | |
2442 | } | |
2443 | ||
2742fd88 AC |
2444 | static int get_serial_info(struct edgeport_port *edge_port, |
2445 | struct serial_struct __user *retinfo) | |
1da177e4 LT |
2446 | { |
2447 | struct serial_struct tmp; | |
2448 | ||
2449 | if (!retinfo) | |
2450 | return -EFAULT; | |
2451 | ||
2452 | memset(&tmp, 0, sizeof(tmp)); | |
2453 | ||
2454 | tmp.type = PORT_16550A; | |
2455 | tmp.line = edge_port->port->serial->minor; | |
2456 | tmp.port = edge_port->port->number; | |
2457 | tmp.irq = 0; | |
2458 | tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; | |
2459 | tmp.xmit_fifo_size = edge_port->port->bulk_out_size; | |
2460 | tmp.baud_base = 9600; | |
2461 | tmp.close_delay = 5*HZ; | |
2462 | tmp.closing_wait = closing_wait; | |
1da177e4 LT |
2463 | |
2464 | if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) | |
2465 | return -EFAULT; | |
2466 | return 0; | |
2467 | } | |
2468 | ||
00a0d0d6 | 2469 | static int edge_ioctl(struct tty_struct *tty, |
2742fd88 | 2470 | unsigned int cmd, unsigned long arg) |
1da177e4 | 2471 | { |
95da310e | 2472 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2473 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2474 | struct async_icount cnow; | |
2475 | struct async_icount cprev; | |
2476 | ||
67e6da70 | 2477 | dev_dbg(&port->dev, "%s - port %d, cmd = 0x%x\n", __func__, port->number, cmd); |
1da177e4 LT |
2478 | |
2479 | switch (cmd) { | |
2742fd88 | 2480 | case TIOCGSERIAL: |
67e6da70 | 2481 | dev_dbg(&port->dev, "%s - TIOCGSERIAL\n", __func__); |
2742fd88 AC |
2482 | return get_serial_info(edge_port, |
2483 | (struct serial_struct __user *) arg); | |
2484 | case TIOCMIWAIT: | |
67e6da70 | 2485 | dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__); |
2742fd88 AC |
2486 | cprev = edge_port->icount; |
2487 | while (1) { | |
2488 | interruptible_sleep_on(&edge_port->delta_msr_wait); | |
2489 | /* see if a signal did it */ | |
2490 | if (signal_pending(current)) | |
2491 | return -ERESTARTSYS; | |
2492 | cnow = edge_port->icount; | |
2493 | if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && | |
2494 | cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) | |
2495 | return -EIO; /* no change => error */ | |
2496 | if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || | |
2497 | ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || | |
2498 | ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || | |
2499 | ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { | |
2500 | return 0; | |
1da177e4 | 2501 | } |
2742fd88 AC |
2502 | cprev = cnow; |
2503 | } | |
2504 | /* not reached */ | |
2505 | break; | |
1da177e4 | 2506 | } |
1da177e4 LT |
2507 | return -ENOIOCTLCMD; |
2508 | } | |
2509 | ||
95da310e | 2510 | static void edge_break(struct tty_struct *tty, int break_state) |
1da177e4 | 2511 | { |
95da310e | 2512 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2513 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); |
2514 | int status; | |
2742fd88 | 2515 | int bv = 0; /* Off */ |
1da177e4 | 2516 | |
1da177e4 | 2517 | /* chase the port close */ |
2742fd88 | 2518 | chase_port(edge_port, 0, 0); |
1da177e4 | 2519 | |
95da310e | 2520 | if (break_state == -1) |
2742fd88 AC |
2521 | bv = 1; /* On */ |
2522 | status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv); | |
2523 | if (status) | |
67e6da70 GKH |
2524 | dev_dbg(&port->dev, "%s - error %d sending break set/clear command.\n", |
2525 | __func__, status); | |
1da177e4 LT |
2526 | } |
2527 | ||
2742fd88 | 2528 | static int edge_startup(struct usb_serial *serial) |
1da177e4 LT |
2529 | { |
2530 | struct edgeport_serial *edge_serial; | |
1da177e4 | 2531 | int status; |
1da177e4 LT |
2532 | |
2533 | /* create our private serial structure */ | |
80b6ca48 | 2534 | edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); |
1da177e4 | 2535 | if (edge_serial == NULL) { |
441b62c1 | 2536 | dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); |
1da177e4 LT |
2537 | return -ENOMEM; |
2538 | } | |
241ca64f | 2539 | mutex_init(&edge_serial->es_lock); |
1da177e4 LT |
2540 | edge_serial->serial = serial; |
2541 | usb_set_serial_data(serial, edge_serial); | |
2542 | ||
2742fd88 | 2543 | status = download_fw(edge_serial); |
1da177e4 | 2544 | if (status) { |
2742fd88 | 2545 | kfree(edge_serial); |
1da177e4 LT |
2546 | return status; |
2547 | } | |
2548 | ||
1da177e4 | 2549 | return 0; |
1da177e4 LT |
2550 | } |
2551 | ||
f9c99bb8 | 2552 | static void edge_disconnect(struct usb_serial *serial) |
1da177e4 | 2553 | { |
f9c99bb8 AS |
2554 | } |
2555 | ||
2556 | static void edge_release(struct usb_serial *serial) | |
2557 | { | |
00361530 JH |
2558 | kfree(usb_get_serial_data(serial)); |
2559 | } | |
2560 | ||
2561 | static int edge_port_probe(struct usb_serial_port *port) | |
2562 | { | |
f9c99bb8 | 2563 | struct edgeport_port *edge_port; |
00361530 | 2564 | int ret; |
f9c99bb8 | 2565 | |
00361530 JH |
2566 | edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL); |
2567 | if (!edge_port) | |
2568 | return -ENOMEM; | |
2569 | ||
2570 | ret = kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE, | |
2571 | GFP_KERNEL); | |
2572 | if (ret) { | |
2573 | kfree(edge_port); | |
2574 | return -ENOMEM; | |
2575 | } | |
2576 | ||
00361530 JH |
2577 | spin_lock_init(&edge_port->ep_lock); |
2578 | edge_port->port = port; | |
2579 | edge_port->edge_serial = usb_get_serial_data(port->serial); | |
2580 | edge_port->bUartMode = default_uart_mode; | |
2581 | ||
2582 | usb_set_serial_port_data(port, edge_port); | |
2583 | ||
5d8c61bc JH |
2584 | ret = edge_create_sysfs_attrs(port); |
2585 | if (ret) { | |
2586 | kfifo_free(&edge_port->write_fifo); | |
2587 | kfree(edge_port); | |
2588 | return ret; | |
2589 | } | |
2590 | ||
00361530 | 2591 | return 0; |
1da177e4 LT |
2592 | } |
2593 | ||
00361530 JH |
2594 | static int edge_port_remove(struct usb_serial_port *port) |
2595 | { | |
2596 | struct edgeport_port *edge_port; | |
2597 | ||
2598 | edge_port = usb_get_serial_port_data(port); | |
2599 | ||
2600 | edge_remove_sysfs_attrs(port); | |
2601 | kfifo_free(&edge_port->write_fifo); | |
2602 | kfree(edge_port); | |
2603 | ||
2604 | return 0; | |
2605 | } | |
1da177e4 | 2606 | |
fc4cbd75 MP |
2607 | /* Sysfs Attributes */ |
2608 | ||
2609 | static ssize_t show_uart_mode(struct device *dev, | |
2610 | struct device_attribute *attr, char *buf) | |
2611 | { | |
2612 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2613 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2614 | ||
2615 | return sprintf(buf, "%d\n", edge_port->bUartMode); | |
2616 | } | |
2617 | ||
2618 | static ssize_t store_uart_mode(struct device *dev, | |
2619 | struct device_attribute *attr, const char *valbuf, size_t count) | |
2620 | { | |
2621 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
2622 | struct edgeport_port *edge_port = usb_get_serial_port_data(port); | |
2623 | unsigned int v = simple_strtoul(valbuf, NULL, 0); | |
2624 | ||
67e6da70 | 2625 | dev_dbg(dev, "%s: setting uart_mode = %d\n", __func__, v); |
fc4cbd75 MP |
2626 | |
2627 | if (v < 256) | |
2628 | edge_port->bUartMode = v; | |
2629 | else | |
441b62c1 | 2630 | dev_err(dev, "%s - uart_mode %d is invalid\n", __func__, v); |
fc4cbd75 MP |
2631 | |
2632 | return count; | |
2633 | } | |
2634 | ||
2742fd88 AC |
2635 | static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, |
2636 | store_uart_mode); | |
fc4cbd75 MP |
2637 | |
2638 | static int edge_create_sysfs_attrs(struct usb_serial_port *port) | |
2639 | { | |
2640 | return device_create_file(&port->dev, &dev_attr_uart_mode); | |
2641 | } | |
2642 | ||
2643 | static int edge_remove_sysfs_attrs(struct usb_serial_port *port) | |
2644 | { | |
2645 | device_remove_file(&port->dev, &dev_attr_uart_mode); | |
2646 | return 0; | |
2647 | } | |
2648 | ||
2649 | ||
ea65370d | 2650 | static struct usb_serial_driver edgeport_1port_device = { |
18fcac35 | 2651 | .driver = { |
269bda1c GKH |
2652 | .owner = THIS_MODULE, |
2653 | .name = "edgeport_ti_1", | |
18fcac35 | 2654 | }, |
269bda1c | 2655 | .description = "Edgeport TI 1 port adapter", |
1da177e4 | 2656 | .id_table = edgeport_1port_id_table, |
1da177e4 LT |
2657 | .num_ports = 1, |
2658 | .open = edge_open, | |
2659 | .close = edge_close, | |
2660 | .throttle = edge_throttle, | |
2661 | .unthrottle = edge_unthrottle, | |
2662 | .attach = edge_startup, | |
f9c99bb8 AS |
2663 | .disconnect = edge_disconnect, |
2664 | .release = edge_release, | |
00361530 JH |
2665 | .port_probe = edge_port_probe, |
2666 | .port_remove = edge_port_remove, | |
1da177e4 LT |
2667 | .ioctl = edge_ioctl, |
2668 | .set_termios = edge_set_termios, | |
2669 | .tiocmget = edge_tiocmget, | |
2670 | .tiocmset = edge_tiocmset, | |
0bca1b91 | 2671 | .get_icount = edge_get_icount, |
1da177e4 LT |
2672 | .write = edge_write, |
2673 | .write_room = edge_write_room, | |
2674 | .chars_in_buffer = edge_chars_in_buffer, | |
2675 | .break_ctl = edge_break, | |
2676 | .read_int_callback = edge_interrupt_callback, | |
2677 | .read_bulk_callback = edge_bulk_in_callback, | |
2678 | .write_bulk_callback = edge_bulk_out_callback, | |
2679 | }; | |
2680 | ||
ea65370d | 2681 | static struct usb_serial_driver edgeport_2port_device = { |
18fcac35 | 2682 | .driver = { |
269bda1c GKH |
2683 | .owner = THIS_MODULE, |
2684 | .name = "edgeport_ti_2", | |
18fcac35 | 2685 | }, |
269bda1c | 2686 | .description = "Edgeport TI 2 port adapter", |
1da177e4 | 2687 | .id_table = edgeport_2port_id_table, |
1da177e4 LT |
2688 | .num_ports = 2, |
2689 | .open = edge_open, | |
2690 | .close = edge_close, | |
2691 | .throttle = edge_throttle, | |
2692 | .unthrottle = edge_unthrottle, | |
2693 | .attach = edge_startup, | |
f9c99bb8 AS |
2694 | .disconnect = edge_disconnect, |
2695 | .release = edge_release, | |
00361530 JH |
2696 | .port_probe = edge_port_probe, |
2697 | .port_remove = edge_port_remove, | |
1da177e4 LT |
2698 | .ioctl = edge_ioctl, |
2699 | .set_termios = edge_set_termios, | |
2700 | .tiocmget = edge_tiocmget, | |
2701 | .tiocmset = edge_tiocmset, | |
2702 | .write = edge_write, | |
2703 | .write_room = edge_write_room, | |
2704 | .chars_in_buffer = edge_chars_in_buffer, | |
2705 | .break_ctl = edge_break, | |
2706 | .read_int_callback = edge_interrupt_callback, | |
2707 | .read_bulk_callback = edge_bulk_in_callback, | |
2708 | .write_bulk_callback = edge_bulk_out_callback, | |
2709 | }; | |
2710 | ||
7dbe2460 AS |
2711 | static struct usb_serial_driver * const serial_drivers[] = { |
2712 | &edgeport_1port_device, &edgeport_2port_device, NULL | |
2713 | }; | |
2714 | ||
68e24113 | 2715 | module_usb_serial_driver(serial_drivers, id_table_combined); |
1da177e4 | 2716 | |
1da177e4 LT |
2717 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2718 | MODULE_DESCRIPTION(DRIVER_DESC); | |
2719 | MODULE_LICENSE("GPL"); | |
d12b219a | 2720 | MODULE_FIRMWARE("edgeport/down3.bin"); |
1da177e4 | 2721 | |
1da177e4 LT |
2722 | module_param(closing_wait, int, S_IRUGO | S_IWUSR); |
2723 | MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); | |
2724 | ||
2725 | module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR); | |
2742fd88 AC |
2726 | MODULE_PARM_DESC(ignore_cpu_rev, |
2727 | "Ignore the cpu revision when connecting to a device"); | |
1da177e4 | 2728 | |
fc4cbd75 MP |
2729 | module_param(default_uart_mode, int, S_IRUGO | S_IWUSR); |
2730 | MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ..."); |