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/*
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---|---|
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* FTDI FT232BM Device emulation
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*
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* Copyright (c) 2006 CodeSourcery.
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* Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* Written by Paul Brook, reused for FTDI by Samuel Thibault
|
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*
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* This code is licenced under the LGPL.
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*/
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|
11 |
#include "qemu-common.h" |
12 |
#include "qemu-error.h" |
13 |
#include "usb.h" |
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#include "usb-desc.h" |
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#include "qemu-char.h" |
16 |
|
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//#define DEBUG_Serial
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|
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#ifdef DEBUG_Serial
|
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#define DPRINTF(fmt, ...) \
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do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0) |
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#else
|
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#define DPRINTF(fmt, ...) do {} while(0) |
24 |
#endif
|
25 |
|
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#define RECV_BUF 384 |
27 |
|
28 |
/* Commands */
|
29 |
#define FTDI_RESET 0 |
30 |
#define FTDI_SET_MDM_CTRL 1 |
31 |
#define FTDI_SET_FLOW_CTRL 2 |
32 |
#define FTDI_SET_BAUD 3 |
33 |
#define FTDI_SET_DATA 4 |
34 |
#define FTDI_GET_MDM_ST 5 |
35 |
#define FTDI_SET_EVENT_CHR 6 |
36 |
#define FTDI_SET_ERROR_CHR 7 |
37 |
#define FTDI_SET_LATENCY 9 |
38 |
#define FTDI_GET_LATENCY 10 |
39 |
|
40 |
#define DeviceOutVendor ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) |
41 |
#define DeviceInVendor ((USB_DIR_IN |USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) |
42 |
|
43 |
/* RESET */
|
44 |
|
45 |
#define FTDI_RESET_SIO 0 |
46 |
#define FTDI_RESET_RX 1 |
47 |
#define FTDI_RESET_TX 2 |
48 |
|
49 |
/* SET_MDM_CTRL */
|
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|
51 |
#define FTDI_DTR 1 |
52 |
#define FTDI_SET_DTR (FTDI_DTR << 8) |
53 |
#define FTDI_RTS 2 |
54 |
#define FTDI_SET_RTS (FTDI_RTS << 8) |
55 |
|
56 |
/* SET_FLOW_CTRL */
|
57 |
|
58 |
#define FTDI_RTS_CTS_HS 1 |
59 |
#define FTDI_DTR_DSR_HS 2 |
60 |
#define FTDI_XON_XOFF_HS 4 |
61 |
|
62 |
/* SET_DATA */
|
63 |
|
64 |
#define FTDI_PARITY (0x7 << 8) |
65 |
#define FTDI_ODD (0x1 << 8) |
66 |
#define FTDI_EVEN (0x2 << 8) |
67 |
#define FTDI_MARK (0x3 << 8) |
68 |
#define FTDI_SPACE (0x4 << 8) |
69 |
|
70 |
#define FTDI_STOP (0x3 << 11) |
71 |
#define FTDI_STOP1 (0x0 << 11) |
72 |
#define FTDI_STOP15 (0x1 << 11) |
73 |
#define FTDI_STOP2 (0x2 << 11) |
74 |
|
75 |
/* GET_MDM_ST */
|
76 |
/* TODO: should be sent every 40ms */
|
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#define FTDI_CTS (1<<4) // CTS line status |
78 |
#define FTDI_DSR (1<<5) // DSR line status |
79 |
#define FTDI_RI (1<<6) // RI line status |
80 |
#define FTDI_RLSD (1<<7) // Receive Line Signal Detect |
81 |
|
82 |
/* Status */
|
83 |
|
84 |
#define FTDI_DR (1<<0) // Data Ready |
85 |
#define FTDI_OE (1<<1) // Overrun Err |
86 |
#define FTDI_PE (1<<2) // Parity Err |
87 |
#define FTDI_FE (1<<3) // Framing Err |
88 |
#define FTDI_BI (1<<4) // Break Interrupt |
89 |
#define FTDI_THRE (1<<5) // Transmitter Holding Register |
90 |
#define FTDI_TEMT (1<<6) // Transmitter Empty |
91 |
#define FTDI_FIFO (1<<7) // Error in FIFO |
92 |
|
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typedef struct { |
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USBDevice dev; |
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uint8_t recv_buf[RECV_BUF]; |
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uint16_t recv_ptr; |
97 |
uint16_t recv_used; |
98 |
uint8_t event_chr; |
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uint8_t error_chr; |
100 |
uint8_t event_trigger; |
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QEMUSerialSetParams params; |
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int latency; /* ms */ |
103 |
CharDriverState *cs; |
104 |
} USBSerialState; |
105 |
|
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enum {
|
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STR_MANUFACTURER = 1,
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STR_PRODUCT_SERIAL, |
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STR_PRODUCT_BRAILLE, |
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STR_SERIALNUMBER, |
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}; |
112 |
|
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static const USBDescStrings desc_strings = { |
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[STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
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[STR_PRODUCT_SERIAL] = "QEMU USB SERIAL",
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[STR_PRODUCT_BRAILLE] = "QEMU USB BRAILLE",
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[STR_SERIALNUMBER] = "1",
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}; |
119 |
|
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static const USBDescIface desc_iface0 = { |
121 |
.bInterfaceNumber = 0,
|
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.bNumEndpoints = 2,
|
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.bInterfaceClass = 0xff,
|
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.bInterfaceSubClass = 0xff,
|
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.bInterfaceProtocol = 0xff,
|
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.eps = (USBDescEndpoint[]) { |
127 |
{ |
128 |
.bEndpointAddress = USB_DIR_IN | 0x01,
|
129 |
.bmAttributes = USB_ENDPOINT_XFER_BULK, |
130 |
.wMaxPacketSize = 64,
|
131 |
},{ |
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.bEndpointAddress = USB_DIR_OUT | 0x02,
|
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.bmAttributes = USB_ENDPOINT_XFER_BULK, |
134 |
.wMaxPacketSize = 64,
|
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}, |
136 |
} |
137 |
}; |
138 |
|
139 |
static const USBDescDevice desc_device = { |
140 |
.bcdUSB = 0x0200,
|
141 |
.bMaxPacketSize0 = 8,
|
142 |
.bNumConfigurations = 1,
|
143 |
.confs = (USBDescConfig[]) { |
144 |
{ |
145 |
.bNumInterfaces = 1,
|
146 |
.bConfigurationValue = 1,
|
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.bmAttributes = 0x80,
|
148 |
.bMaxPower = 50,
|
149 |
.nif = 1,
|
150 |
.ifs = &desc_iface0, |
151 |
}, |
152 |
}, |
153 |
}; |
154 |
|
155 |
static const USBDesc desc_serial = { |
156 |
.id = { |
157 |
.idVendor = 0x0403,
|
158 |
.idProduct = 0x6001,
|
159 |
.bcdDevice = 0x0400,
|
160 |
.iManufacturer = STR_MANUFACTURER, |
161 |
.iProduct = STR_PRODUCT_SERIAL, |
162 |
.iSerialNumber = STR_SERIALNUMBER, |
163 |
}, |
164 |
.full = &desc_device, |
165 |
.str = desc_strings, |
166 |
}; |
167 |
|
168 |
static const USBDesc desc_braille = { |
169 |
.id = { |
170 |
.idVendor = 0x0403,
|
171 |
.idProduct = 0xfe72,
|
172 |
.bcdDevice = 0x0400,
|
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.iManufacturer = STR_MANUFACTURER, |
174 |
.iProduct = STR_PRODUCT_BRAILLE, |
175 |
.iSerialNumber = STR_SERIALNUMBER, |
176 |
}, |
177 |
.full = &desc_device, |
178 |
.str = desc_strings, |
179 |
}; |
180 |
|
181 |
static void usb_serial_reset(USBSerialState *s) |
182 |
{ |
183 |
/* TODO: Set flow control to none */
|
184 |
s->event_chr = 0x0d;
|
185 |
s->event_trigger = 0;
|
186 |
s->recv_ptr = 0;
|
187 |
s->recv_used = 0;
|
188 |
/* TODO: purge in char driver */
|
189 |
} |
190 |
|
191 |
static void usb_serial_handle_reset(USBDevice *dev) |
192 |
{ |
193 |
USBSerialState *s = (USBSerialState *)dev; |
194 |
|
195 |
DPRINTF("Reset\n");
|
196 |
|
197 |
usb_serial_reset(s); |
198 |
/* TODO: Reset char device, send BREAK? */
|
199 |
} |
200 |
|
201 |
static uint8_t usb_get_modem_lines(USBSerialState *s)
|
202 |
{ |
203 |
int flags;
|
204 |
uint8_t ret; |
205 |
|
206 |
if (qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP)
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207 |
return FTDI_CTS|FTDI_DSR|FTDI_RLSD;
|
208 |
|
209 |
ret = 0;
|
210 |
if (flags & CHR_TIOCM_CTS)
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ret |= FTDI_CTS; |
212 |
if (flags & CHR_TIOCM_DSR)
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ret |= FTDI_DSR; |
214 |
if (flags & CHR_TIOCM_RI)
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215 |
ret |= FTDI_RI; |
216 |
if (flags & CHR_TIOCM_CAR)
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217 |
ret |= FTDI_RLSD; |
218 |
|
219 |
return ret;
|
220 |
} |
221 |
|
222 |
static int usb_serial_handle_control(USBDevice *dev, USBPacket *p, |
223 |
int request, int value, int index, int length, uint8_t *data) |
224 |
{ |
225 |
USBSerialState *s = (USBSerialState *)dev; |
226 |
int ret;
|
227 |
|
228 |
DPRINTF("got control %x, value %x\n",request, value);
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ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
230 |
if (ret >= 0) { |
231 |
return ret;
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232 |
} |
233 |
|
234 |
ret = 0;
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235 |
switch (request) {
|
236 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
237 |
data[0] = 0; |
238 |
ret = 1;
|
239 |
break;
|
240 |
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
241 |
ret = 0;
|
242 |
break;
|
243 |
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
244 |
ret = 0;
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245 |
break;
|
246 |
|
247 |
/* Class specific requests. */
|
248 |
case DeviceOutVendor | FTDI_RESET:
|
249 |
switch (value) {
|
250 |
case FTDI_RESET_SIO:
|
251 |
usb_serial_reset(s); |
252 |
break;
|
253 |
case FTDI_RESET_RX:
|
254 |
s->recv_ptr = 0;
|
255 |
s->recv_used = 0;
|
256 |
/* TODO: purge from char device */
|
257 |
break;
|
258 |
case FTDI_RESET_TX:
|
259 |
/* TODO: purge from char device */
|
260 |
break;
|
261 |
} |
262 |
break;
|
263 |
case DeviceOutVendor | FTDI_SET_MDM_CTRL:
|
264 |
{ |
265 |
static int flags; |
266 |
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags); |
267 |
if (value & FTDI_SET_RTS) {
|
268 |
if (value & FTDI_RTS)
|
269 |
flags |= CHR_TIOCM_RTS; |
270 |
else
|
271 |
flags &= ~CHR_TIOCM_RTS; |
272 |
} |
273 |
if (value & FTDI_SET_DTR) {
|
274 |
if (value & FTDI_DTR)
|
275 |
flags |= CHR_TIOCM_DTR; |
276 |
else
|
277 |
flags &= ~CHR_TIOCM_DTR; |
278 |
} |
279 |
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags); |
280 |
break;
|
281 |
} |
282 |
case DeviceOutVendor | FTDI_SET_FLOW_CTRL:
|
283 |
/* TODO: ioctl */
|
284 |
break;
|
285 |
case DeviceOutVendor | FTDI_SET_BAUD: {
|
286 |
static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 }; |
287 |
int subdivisor8 = subdivisors8[((value & 0xc000) >> 14) |
288 |
| ((index & 1) << 2)]; |
289 |
int divisor = value & 0x3fff; |
290 |
|
291 |
/* chip special cases */
|
292 |
if (divisor == 1 && subdivisor8 == 0) |
293 |
subdivisor8 = 4;
|
294 |
if (divisor == 0 && subdivisor8 == 0) |
295 |
divisor = 1;
|
296 |
|
297 |
s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8); |
298 |
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
299 |
break;
|
300 |
} |
301 |
case DeviceOutVendor | FTDI_SET_DATA:
|
302 |
switch (value & FTDI_PARITY) {
|
303 |
case 0: |
304 |
s->params.parity = 'N';
|
305 |
break;
|
306 |
case FTDI_ODD:
|
307 |
s->params.parity = 'O';
|
308 |
break;
|
309 |
case FTDI_EVEN:
|
310 |
s->params.parity = 'E';
|
311 |
break;
|
312 |
default:
|
313 |
DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
|
314 |
goto fail;
|
315 |
} |
316 |
switch (value & FTDI_STOP) {
|
317 |
case FTDI_STOP1:
|
318 |
s->params.stop_bits = 1;
|
319 |
break;
|
320 |
case FTDI_STOP2:
|
321 |
s->params.stop_bits = 2;
|
322 |
break;
|
323 |
default:
|
324 |
DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
|
325 |
goto fail;
|
326 |
} |
327 |
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
328 |
/* TODO: TX ON/OFF */
|
329 |
break;
|
330 |
case DeviceInVendor | FTDI_GET_MDM_ST:
|
331 |
data[0] = usb_get_modem_lines(s) | 1; |
332 |
data[1] = 0; |
333 |
ret = 2;
|
334 |
break;
|
335 |
case DeviceOutVendor | FTDI_SET_EVENT_CHR:
|
336 |
/* TODO: handle it */
|
337 |
s->event_chr = value; |
338 |
break;
|
339 |
case DeviceOutVendor | FTDI_SET_ERROR_CHR:
|
340 |
/* TODO: handle it */
|
341 |
s->error_chr = value; |
342 |
break;
|
343 |
case DeviceOutVendor | FTDI_SET_LATENCY:
|
344 |
s->latency = value; |
345 |
break;
|
346 |
case DeviceInVendor | FTDI_GET_LATENCY:
|
347 |
data[0] = s->latency;
|
348 |
ret = 1;
|
349 |
break;
|
350 |
default:
|
351 |
fail:
|
352 |
DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
|
353 |
ret = USB_RET_STALL; |
354 |
break;
|
355 |
} |
356 |
return ret;
|
357 |
} |
358 |
|
359 |
static int usb_serial_handle_data(USBDevice *dev, USBPacket *p) |
360 |
{ |
361 |
USBSerialState *s = (USBSerialState *)dev; |
362 |
int ret = 0; |
363 |
uint8_t devep = p->devep; |
364 |
uint8_t *data = p->data; |
365 |
int len = p->len;
|
366 |
int first_len;
|
367 |
|
368 |
switch (p->pid) {
|
369 |
case USB_TOKEN_OUT:
|
370 |
if (devep != 2) |
371 |
goto fail;
|
372 |
qemu_chr_write(s->cs, data, len); |
373 |
break;
|
374 |
|
375 |
case USB_TOKEN_IN:
|
376 |
if (devep != 1) |
377 |
goto fail;
|
378 |
first_len = RECV_BUF - s->recv_ptr; |
379 |
if (len <= 2) { |
380 |
ret = USB_RET_NAK; |
381 |
break;
|
382 |
} |
383 |
*data++ = usb_get_modem_lines(s) | 1;
|
384 |
/* We do not have the uart details */
|
385 |
/* handle serial break */
|
386 |
if (s->event_trigger && s->event_trigger & FTDI_BI) {
|
387 |
s->event_trigger &= ~FTDI_BI; |
388 |
*data = FTDI_BI; |
389 |
ret = 2;
|
390 |
break;
|
391 |
} else {
|
392 |
*data++ = 0;
|
393 |
} |
394 |
len -= 2;
|
395 |
if (len > s->recv_used)
|
396 |
len = s->recv_used; |
397 |
if (!len) {
|
398 |
ret = USB_RET_NAK; |
399 |
break;
|
400 |
} |
401 |
if (first_len > len)
|
402 |
first_len = len; |
403 |
memcpy(data, s->recv_buf + s->recv_ptr, first_len); |
404 |
if (len > first_len)
|
405 |
memcpy(data + first_len, s->recv_buf, len - first_len); |
406 |
s->recv_used -= len; |
407 |
s->recv_ptr = (s->recv_ptr + len) % RECV_BUF; |
408 |
ret = len + 2;
|
409 |
break;
|
410 |
|
411 |
default:
|
412 |
DPRINTF("Bad token\n");
|
413 |
fail:
|
414 |
ret = USB_RET_STALL; |
415 |
break;
|
416 |
} |
417 |
|
418 |
return ret;
|
419 |
} |
420 |
|
421 |
static void usb_serial_handle_destroy(USBDevice *dev) |
422 |
{ |
423 |
USBSerialState *s = (USBSerialState *)dev; |
424 |
|
425 |
qemu_chr_close(s->cs); |
426 |
} |
427 |
|
428 |
static int usb_serial_can_read(void *opaque) |
429 |
{ |
430 |
USBSerialState *s = opaque; |
431 |
return RECV_BUF - s->recv_used;
|
432 |
} |
433 |
|
434 |
static void usb_serial_read(void *opaque, const uint8_t *buf, int size) |
435 |
{ |
436 |
USBSerialState *s = opaque; |
437 |
int first_size, start;
|
438 |
|
439 |
/* room in the buffer? */
|
440 |
if (size > (RECV_BUF - s->recv_used))
|
441 |
size = RECV_BUF - s->recv_used; |
442 |
|
443 |
start = s->recv_ptr + s->recv_used; |
444 |
if (start < RECV_BUF) {
|
445 |
/* copy data to end of buffer */
|
446 |
first_size = RECV_BUF - start; |
447 |
if (first_size > size)
|
448 |
first_size = size; |
449 |
|
450 |
memcpy(s->recv_buf + start, buf, first_size); |
451 |
|
452 |
/* wrap around to front if needed */
|
453 |
if (size > first_size)
|
454 |
memcpy(s->recv_buf, buf + first_size, size - first_size); |
455 |
} else {
|
456 |
start -= RECV_BUF; |
457 |
memcpy(s->recv_buf + start, buf, size); |
458 |
} |
459 |
s->recv_used += size; |
460 |
} |
461 |
|
462 |
static void usb_serial_event(void *opaque, int event) |
463 |
{ |
464 |
USBSerialState *s = opaque; |
465 |
|
466 |
switch (event) {
|
467 |
case CHR_EVENT_BREAK:
|
468 |
s->event_trigger |= FTDI_BI; |
469 |
break;
|
470 |
case CHR_EVENT_FOCUS:
|
471 |
break;
|
472 |
case CHR_EVENT_OPENED:
|
473 |
usb_serial_reset(s); |
474 |
/* TODO: Reset USB port */
|
475 |
break;
|
476 |
} |
477 |
} |
478 |
|
479 |
static int usb_serial_initfn(USBDevice *dev) |
480 |
{ |
481 |
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev); |
482 |
|
483 |
usb_desc_init(dev); |
484 |
|
485 |
if (!s->cs) {
|
486 |
error_report("Property chardev is required");
|
487 |
return -1; |
488 |
} |
489 |
|
490 |
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read, |
491 |
usb_serial_event, s); |
492 |
usb_serial_handle_reset(dev); |
493 |
return 0; |
494 |
} |
495 |
|
496 |
static USBDevice *usb_serial_init(const char *filename) |
497 |
{ |
498 |
USBDevice *dev; |
499 |
CharDriverState *cdrv; |
500 |
uint32_t vendorid = 0, productid = 0; |
501 |
char label[32]; |
502 |
static int index; |
503 |
|
504 |
while (*filename && *filename != ':') { |
505 |
const char *p; |
506 |
char *e;
|
507 |
if (strstart(filename, "vendorid=", &p)) { |
508 |
vendorid = strtol(p, &e, 16);
|
509 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
510 |
error_report("bogus vendor ID %s", p);
|
511 |
return NULL; |
512 |
} |
513 |
filename = e; |
514 |
} else if (strstart(filename, "productid=", &p)) { |
515 |
productid = strtol(p, &e, 16);
|
516 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
517 |
error_report("bogus product ID %s", p);
|
518 |
return NULL; |
519 |
} |
520 |
filename = e; |
521 |
} else {
|
522 |
error_report("unrecognized serial USB option %s", filename);
|
523 |
return NULL; |
524 |
} |
525 |
while(*filename == ',') |
526 |
filename++; |
527 |
} |
528 |
if (!*filename) {
|
529 |
error_report("character device specification needed");
|
530 |
return NULL; |
531 |
} |
532 |
filename++; |
533 |
|
534 |
snprintf(label, sizeof(label), "usbserial%d", index++); |
535 |
cdrv = qemu_chr_open(label, filename, NULL);
|
536 |
if (!cdrv)
|
537 |
return NULL; |
538 |
|
539 |
dev = usb_create(NULL /* FIXME */, "usb-serial"); |
540 |
if (!dev) {
|
541 |
return NULL; |
542 |
} |
543 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
544 |
if (vendorid)
|
545 |
qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
|
546 |
if (productid)
|
547 |
qdev_prop_set_uint16(&dev->qdev, "productid", productid);
|
548 |
qdev_init_nofail(&dev->qdev); |
549 |
|
550 |
return dev;
|
551 |
} |
552 |
|
553 |
static USBDevice *usb_braille_init(const char *unused) |
554 |
{ |
555 |
USBDevice *dev; |
556 |
CharDriverState *cdrv; |
557 |
|
558 |
cdrv = qemu_chr_open("braille", "braille", NULL); |
559 |
if (!cdrv)
|
560 |
return NULL; |
561 |
|
562 |
dev = usb_create(NULL /* FIXME */, "usb-braille"); |
563 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
564 |
qdev_init_nofail(&dev->qdev); |
565 |
|
566 |
return dev;
|
567 |
} |
568 |
|
569 |
static struct USBDeviceInfo serial_info = { |
570 |
.product_desc = "QEMU USB Serial",
|
571 |
.qdev.name = "usb-serial",
|
572 |
.qdev.size = sizeof(USBSerialState),
|
573 |
.usb_desc = &desc_serial, |
574 |
.init = usb_serial_initfn, |
575 |
.handle_packet = usb_generic_handle_packet, |
576 |
.handle_reset = usb_serial_handle_reset, |
577 |
.handle_control = usb_serial_handle_control, |
578 |
.handle_data = usb_serial_handle_data, |
579 |
.handle_destroy = usb_serial_handle_destroy, |
580 |
.usbdevice_name = "serial",
|
581 |
.usbdevice_init = usb_serial_init, |
582 |
.qdev.props = (Property[]) { |
583 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
584 |
DEFINE_PROP_END_OF_LIST(), |
585 |
}, |
586 |
}; |
587 |
|
588 |
static struct USBDeviceInfo braille_info = { |
589 |
.product_desc = "QEMU USB Braille",
|
590 |
.qdev.name = "usb-braille",
|
591 |
.qdev.size = sizeof(USBSerialState),
|
592 |
.usb_desc = &desc_braille, |
593 |
.init = usb_serial_initfn, |
594 |
.handle_packet = usb_generic_handle_packet, |
595 |
.handle_reset = usb_serial_handle_reset, |
596 |
.handle_control = usb_serial_handle_control, |
597 |
.handle_data = usb_serial_handle_data, |
598 |
.handle_destroy = usb_serial_handle_destroy, |
599 |
.usbdevice_name = "braille",
|
600 |
.usbdevice_init = usb_braille_init, |
601 |
.qdev.props = (Property[]) { |
602 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
603 |
DEFINE_PROP_END_OF_LIST(), |
604 |
}, |
605 |
}; |
606 |
|
607 |
static void usb_serial_register_devices(void) |
608 |
{ |
609 |
usb_qdev_register(&serial_info); |
610 |
usb_qdev_register(&braille_info); |
611 |
} |
612 |
device_init(usb_serial_register_devices) |