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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 licensed under the LGPL.
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*/
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|
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#include "qemu-common.h" |
12 |
#include "qemu/error-report.h" |
13 |
#include "hw/usb.h" |
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#include "hw/usb/desc.h" |
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#include "sysemu/char.h" |
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|
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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 */
|
50 |
|
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#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 |
|
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#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 */
|
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/* TODO: should be sent every 40ms */
|
77 |
#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 { |
94 |
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; |
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uint8_t event_chr; |
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uint8_t error_chr; |
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uint8_t event_trigger; |
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QEMUSerialSetParams params; |
102 |
int latency; /* ms */ |
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CharDriverState *cs; |
104 |
} USBSerialState; |
105 |
|
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enum {
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STR_MANUFACTURER = 1,
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STR_PRODUCT_SERIAL, |
109 |
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",
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[STR_PRODUCT_SERIAL] = "QEMU USB SERIAL",
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[STR_PRODUCT_BRAILLE] = "QEMU USB BAUM 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 |
{ |
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.bEndpointAddress = USB_DIR_IN | 0x01,
|
129 |
.bmAttributes = USB_ENDPOINT_XFER_BULK, |
130 |
.wMaxPacketSize = 64,
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},{ |
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.bEndpointAddress = USB_DIR_OUT | 0x02,
|
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.bmAttributes = USB_ENDPOINT_XFER_BULK, |
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.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,
|
147 |
.bmAttributes = 0x80,
|
148 |
.bMaxPower = 50,
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149 |
.nif = 1,
|
150 |
.ifs = &desc_iface0, |
151 |
}, |
152 |
}, |
153 |
}; |
154 |
|
155 |
static const USBDesc desc_serial = { |
156 |
.id = { |
157 |
.idVendor = 0x0403,
|
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.idProduct = 0x6001,
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.bcdDevice = 0x0400,
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.iManufacturer = STR_MANUFACTURER, |
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.iProduct = STR_PRODUCT_SERIAL, |
162 |
.iSerialNumber = STR_SERIALNUMBER, |
163 |
}, |
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.full = &desc_device, |
165 |
.str = desc_strings, |
166 |
}; |
167 |
|
168 |
static const USBDesc desc_braille = { |
169 |
.id = { |
170 |
.idVendor = 0x0403,
|
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.idProduct = 0xfe72,
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.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;
|
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s->event_trigger = 0;
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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 |
|
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DPRINTF("Reset\n");
|
196 |
|
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usb_serial_reset(s); |
198 |
/* TODO: Reset char device, send BREAK? */
|
199 |
} |
200 |
|
201 |
static uint8_t usb_get_modem_lines(USBSerialState *s)
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202 |
{ |
203 |
int flags;
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204 |
uint8_t ret; |
205 |
|
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if (qemu_chr_fe_ioctl(s->cs, CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP)
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return FTDI_CTS|FTDI_DSR|FTDI_RLSD;
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208 |
|
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ret = 0;
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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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ret |= FTDI_RI; |
216 |
if (flags & CHR_TIOCM_CAR)
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ret |= FTDI_RLSD; |
218 |
|
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return ret;
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220 |
} |
221 |
|
222 |
static void 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;
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227 |
|
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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;
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232 |
} |
233 |
|
234 |
switch (request) {
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case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
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236 |
break;
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237 |
|
238 |
/* Class specific requests. */
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239 |
case DeviceOutVendor | FTDI_RESET:
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240 |
switch (value) {
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241 |
case FTDI_RESET_SIO:
|
242 |
usb_serial_reset(s); |
243 |
break;
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244 |
case FTDI_RESET_RX:
|
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s->recv_ptr = 0;
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s->recv_used = 0;
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247 |
/* TODO: purge from char device */
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248 |
break;
|
249 |
case FTDI_RESET_TX:
|
250 |
/* TODO: purge from char device */
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break;
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252 |
} |
253 |
break;
|
254 |
case DeviceOutVendor | FTDI_SET_MDM_CTRL:
|
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{ |
256 |
static int flags; |
257 |
qemu_chr_fe_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags); |
258 |
if (value & FTDI_SET_RTS) {
|
259 |
if (value & FTDI_RTS)
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flags |= CHR_TIOCM_RTS; |
261 |
else
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flags &= ~CHR_TIOCM_RTS; |
263 |
} |
264 |
if (value & FTDI_SET_DTR) {
|
265 |
if (value & FTDI_DTR)
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flags |= CHR_TIOCM_DTR; |
267 |
else
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flags &= ~CHR_TIOCM_DTR; |
269 |
} |
270 |
qemu_chr_fe_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags); |
271 |
break;
|
272 |
} |
273 |
case DeviceOutVendor | FTDI_SET_FLOW_CTRL:
|
274 |
/* TODO: ioctl */
|
275 |
break;
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276 |
case DeviceOutVendor | FTDI_SET_BAUD: {
|
277 |
static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 }; |
278 |
int subdivisor8 = subdivisors8[((value & 0xc000) >> 14) |
279 |
| ((index & 1) << 2)]; |
280 |
int divisor = value & 0x3fff; |
281 |
|
282 |
/* chip special cases */
|
283 |
if (divisor == 1 && subdivisor8 == 0) |
284 |
subdivisor8 = 4;
|
285 |
if (divisor == 0 && subdivisor8 == 0) |
286 |
divisor = 1;
|
287 |
|
288 |
s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8); |
289 |
qemu_chr_fe_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
290 |
break;
|
291 |
} |
292 |
case DeviceOutVendor | FTDI_SET_DATA:
|
293 |
switch (value & FTDI_PARITY) {
|
294 |
case 0: |
295 |
s->params.parity = 'N';
|
296 |
break;
|
297 |
case FTDI_ODD:
|
298 |
s->params.parity = 'O';
|
299 |
break;
|
300 |
case FTDI_EVEN:
|
301 |
s->params.parity = 'E';
|
302 |
break;
|
303 |
default:
|
304 |
DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
|
305 |
goto fail;
|
306 |
} |
307 |
switch (value & FTDI_STOP) {
|
308 |
case FTDI_STOP1:
|
309 |
s->params.stop_bits = 1;
|
310 |
break;
|
311 |
case FTDI_STOP2:
|
312 |
s->params.stop_bits = 2;
|
313 |
break;
|
314 |
default:
|
315 |
DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
|
316 |
goto fail;
|
317 |
} |
318 |
qemu_chr_fe_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
319 |
/* TODO: TX ON/OFF */
|
320 |
break;
|
321 |
case DeviceInVendor | FTDI_GET_MDM_ST:
|
322 |
data[0] = usb_get_modem_lines(s) | 1; |
323 |
data[1] = 0; |
324 |
p->actual_length = 2;
|
325 |
break;
|
326 |
case DeviceOutVendor | FTDI_SET_EVENT_CHR:
|
327 |
/* TODO: handle it */
|
328 |
s->event_chr = value; |
329 |
break;
|
330 |
case DeviceOutVendor | FTDI_SET_ERROR_CHR:
|
331 |
/* TODO: handle it */
|
332 |
s->error_chr = value; |
333 |
break;
|
334 |
case DeviceOutVendor | FTDI_SET_LATENCY:
|
335 |
s->latency = value; |
336 |
break;
|
337 |
case DeviceInVendor | FTDI_GET_LATENCY:
|
338 |
data[0] = s->latency;
|
339 |
p->actual_length = 1;
|
340 |
break;
|
341 |
default:
|
342 |
fail:
|
343 |
DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
|
344 |
p->status = USB_RET_STALL; |
345 |
break;
|
346 |
} |
347 |
} |
348 |
|
349 |
static void usb_serial_handle_data(USBDevice *dev, USBPacket *p) |
350 |
{ |
351 |
USBSerialState *s = (USBSerialState *)dev; |
352 |
uint8_t devep = p->ep->nr; |
353 |
struct iovec *iov;
|
354 |
uint8_t header[2];
|
355 |
int i, first_len, len;
|
356 |
|
357 |
switch (p->pid) {
|
358 |
case USB_TOKEN_OUT:
|
359 |
if (devep != 2) |
360 |
goto fail;
|
361 |
for (i = 0; i < p->iov.niov; i++) { |
362 |
iov = p->iov.iov + i; |
363 |
qemu_chr_fe_write(s->cs, iov->iov_base, iov->iov_len); |
364 |
} |
365 |
p->actual_length = p->iov.size; |
366 |
break;
|
367 |
|
368 |
case USB_TOKEN_IN:
|
369 |
if (devep != 1) |
370 |
goto fail;
|
371 |
first_len = RECV_BUF - s->recv_ptr; |
372 |
len = p->iov.size; |
373 |
if (len <= 2) { |
374 |
p->status = USB_RET_NAK; |
375 |
break;
|
376 |
} |
377 |
header[0] = usb_get_modem_lines(s) | 1; |
378 |
/* We do not have the uart details */
|
379 |
/* handle serial break */
|
380 |
if (s->event_trigger && s->event_trigger & FTDI_BI) {
|
381 |
s->event_trigger &= ~FTDI_BI; |
382 |
header[1] = FTDI_BI;
|
383 |
usb_packet_copy(p, header, 2);
|
384 |
break;
|
385 |
} else {
|
386 |
header[1] = 0; |
387 |
} |
388 |
len -= 2;
|
389 |
if (len > s->recv_used)
|
390 |
len = s->recv_used; |
391 |
if (!len) {
|
392 |
p->status = USB_RET_NAK; |
393 |
break;
|
394 |
} |
395 |
if (first_len > len)
|
396 |
first_len = len; |
397 |
usb_packet_copy(p, header, 2);
|
398 |
usb_packet_copy(p, s->recv_buf + s->recv_ptr, first_len); |
399 |
if (len > first_len)
|
400 |
usb_packet_copy(p, s->recv_buf, len - first_len); |
401 |
s->recv_used -= len; |
402 |
s->recv_ptr = (s->recv_ptr + len) % RECV_BUF; |
403 |
break;
|
404 |
|
405 |
default:
|
406 |
DPRINTF("Bad token\n");
|
407 |
fail:
|
408 |
p->status = USB_RET_STALL; |
409 |
break;
|
410 |
} |
411 |
} |
412 |
|
413 |
static int usb_serial_can_read(void *opaque) |
414 |
{ |
415 |
USBSerialState *s = opaque; |
416 |
|
417 |
if (!s->dev.attached) {
|
418 |
return 0; |
419 |
} |
420 |
return RECV_BUF - s->recv_used;
|
421 |
} |
422 |
|
423 |
static void usb_serial_read(void *opaque, const uint8_t *buf, int size) |
424 |
{ |
425 |
USBSerialState *s = opaque; |
426 |
int first_size, start;
|
427 |
|
428 |
/* room in the buffer? */
|
429 |
if (size > (RECV_BUF - s->recv_used))
|
430 |
size = RECV_BUF - s->recv_used; |
431 |
|
432 |
start = s->recv_ptr + s->recv_used; |
433 |
if (start < RECV_BUF) {
|
434 |
/* copy data to end of buffer */
|
435 |
first_size = RECV_BUF - start; |
436 |
if (first_size > size)
|
437 |
first_size = size; |
438 |
|
439 |
memcpy(s->recv_buf + start, buf, first_size); |
440 |
|
441 |
/* wrap around to front if needed */
|
442 |
if (size > first_size)
|
443 |
memcpy(s->recv_buf, buf + first_size, size - first_size); |
444 |
} else {
|
445 |
start -= RECV_BUF; |
446 |
memcpy(s->recv_buf + start, buf, size); |
447 |
} |
448 |
s->recv_used += size; |
449 |
} |
450 |
|
451 |
static void usb_serial_event(void *opaque, int event) |
452 |
{ |
453 |
USBSerialState *s = opaque; |
454 |
|
455 |
switch (event) {
|
456 |
case CHR_EVENT_BREAK:
|
457 |
s->event_trigger |= FTDI_BI; |
458 |
break;
|
459 |
case CHR_EVENT_FOCUS:
|
460 |
break;
|
461 |
case CHR_EVENT_OPENED:
|
462 |
if (!s->dev.attached) {
|
463 |
usb_device_attach(&s->dev); |
464 |
} |
465 |
break;
|
466 |
case CHR_EVENT_CLOSED:
|
467 |
if (s->dev.attached) {
|
468 |
usb_device_detach(&s->dev); |
469 |
} |
470 |
break;
|
471 |
} |
472 |
} |
473 |
|
474 |
static int usb_serial_initfn(USBDevice *dev) |
475 |
{ |
476 |
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev); |
477 |
|
478 |
usb_desc_create_serial(dev); |
479 |
usb_desc_init(dev); |
480 |
dev->auto_attach = 0;
|
481 |
|
482 |
if (!s->cs) {
|
483 |
error_report("Property chardev is required");
|
484 |
return -1; |
485 |
} |
486 |
|
487 |
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read, |
488 |
usb_serial_event, s); |
489 |
usb_serial_handle_reset(dev); |
490 |
|
491 |
if (s->cs->be_open && !dev->attached) {
|
492 |
usb_device_attach(dev); |
493 |
} |
494 |
return 0; |
495 |
} |
496 |
|
497 |
static USBDevice *usb_serial_init(USBBus *bus, const char *filename) |
498 |
{ |
499 |
USBDevice *dev; |
500 |
CharDriverState *cdrv; |
501 |
uint32_t vendorid = 0, productid = 0; |
502 |
char label[32]; |
503 |
static int index; |
504 |
|
505 |
while (*filename && *filename != ':') { |
506 |
const char *p; |
507 |
char *e;
|
508 |
if (strstart(filename, "vendorid=", &p)) { |
509 |
vendorid = strtol(p, &e, 16);
|
510 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
511 |
error_report("bogus vendor ID %s", p);
|
512 |
return NULL; |
513 |
} |
514 |
filename = e; |
515 |
} else if (strstart(filename, "productid=", &p)) { |
516 |
productid = strtol(p, &e, 16);
|
517 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
518 |
error_report("bogus product ID %s", p);
|
519 |
return NULL; |
520 |
} |
521 |
filename = e; |
522 |
} else {
|
523 |
error_report("unrecognized serial USB option %s", filename);
|
524 |
return NULL; |
525 |
} |
526 |
while(*filename == ',') |
527 |
filename++; |
528 |
} |
529 |
if (!*filename) {
|
530 |
error_report("character device specification needed");
|
531 |
return NULL; |
532 |
} |
533 |
filename++; |
534 |
|
535 |
snprintf(label, sizeof(label), "usbserial%d", index++); |
536 |
cdrv = qemu_chr_new(label, filename, NULL);
|
537 |
if (!cdrv)
|
538 |
return NULL; |
539 |
|
540 |
dev = usb_create(bus, "usb-serial");
|
541 |
if (!dev) {
|
542 |
return NULL; |
543 |
} |
544 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
545 |
if (vendorid)
|
546 |
qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
|
547 |
if (productid)
|
548 |
qdev_prop_set_uint16(&dev->qdev, "productid", productid);
|
549 |
qdev_init_nofail(&dev->qdev); |
550 |
|
551 |
return dev;
|
552 |
} |
553 |
|
554 |
static USBDevice *usb_braille_init(USBBus *bus, const char *unused) |
555 |
{ |
556 |
USBDevice *dev; |
557 |
CharDriverState *cdrv; |
558 |
|
559 |
cdrv = qemu_chr_new("braille", "braille", NULL); |
560 |
if (!cdrv)
|
561 |
return NULL; |
562 |
|
563 |
dev = usb_create(bus, "usb-braille");
|
564 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
565 |
qdev_init_nofail(&dev->qdev); |
566 |
|
567 |
return dev;
|
568 |
} |
569 |
|
570 |
static const VMStateDescription vmstate_usb_serial = { |
571 |
.name = "usb-serial",
|
572 |
.unmigratable = 1,
|
573 |
}; |
574 |
|
575 |
static Property serial_properties[] = {
|
576 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
577 |
DEFINE_PROP_END_OF_LIST(), |
578 |
}; |
579 |
|
580 |
static void usb_serial_class_initfn(ObjectClass *klass, void *data) |
581 |
{ |
582 |
DeviceClass *dc = DEVICE_CLASS(klass); |
583 |
USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
584 |
|
585 |
uc->init = usb_serial_initfn; |
586 |
uc->product_desc = "QEMU USB Serial";
|
587 |
uc->usb_desc = &desc_serial; |
588 |
uc->handle_reset = usb_serial_handle_reset; |
589 |
uc->handle_control = usb_serial_handle_control; |
590 |
uc->handle_data = usb_serial_handle_data; |
591 |
dc->vmsd = &vmstate_usb_serial; |
592 |
dc->props = serial_properties; |
593 |
} |
594 |
|
595 |
static const TypeInfo serial_info = { |
596 |
.name = "usb-serial",
|
597 |
.parent = TYPE_USB_DEVICE, |
598 |
.instance_size = sizeof(USBSerialState),
|
599 |
.class_init = usb_serial_class_initfn, |
600 |
}; |
601 |
|
602 |
static Property braille_properties[] = {
|
603 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
604 |
DEFINE_PROP_END_OF_LIST(), |
605 |
}; |
606 |
|
607 |
static void usb_braille_class_initfn(ObjectClass *klass, void *data) |
608 |
{ |
609 |
DeviceClass *dc = DEVICE_CLASS(klass); |
610 |
USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
611 |
|
612 |
uc->init = usb_serial_initfn; |
613 |
uc->product_desc = "QEMU USB Braille";
|
614 |
uc->usb_desc = &desc_braille; |
615 |
uc->handle_reset = usb_serial_handle_reset; |
616 |
uc->handle_control = usb_serial_handle_control; |
617 |
uc->handle_data = usb_serial_handle_data; |
618 |
dc->vmsd = &vmstate_usb_serial; |
619 |
dc->props = braille_properties; |
620 |
} |
621 |
|
622 |
static const TypeInfo braille_info = { |
623 |
.name = "usb-braille",
|
624 |
.parent = TYPE_USB_DEVICE, |
625 |
.instance_size = sizeof(USBSerialState),
|
626 |
.class_init = usb_braille_class_initfn, |
627 |
}; |
628 |
|
629 |
static void usb_serial_register_types(void) |
630 |
{ |
631 |
type_register_static(&serial_info); |
632 |
usb_legacy_register("usb-serial", "serial", usb_serial_init); |
633 |
type_register_static(&braille_info); |
634 |
usb_legacy_register("usb-braille", "braille", usb_braille_init); |
635 |
} |
636 |
|
637 |
type_init(usb_serial_register_types) |