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Commit | Line | Data |
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232c150a WD |
1 | /* |
2 | * (C) Copyright 2003 | |
3 | * Gerry Hamel, geh@ti.com, Texas Instruments | |
386eda02 | 4 | * |
16c8d5e7 WD |
5 | * (C) Copyright 2006 |
6 | * Bryan O'Donoghue, bodonoghue@codehermit.ie | |
232c150a | 7 | * |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
232c150a WD |
9 | */ |
10 | ||
11 | #include <common.h> | |
dedacc18 | 12 | #include <config.h> |
232c150a | 13 | #include <circbuf.h> |
52cb4d4f | 14 | #include <stdio_dev.h> |
b2fb47f1 | 15 | #include <asm/unaligned.h> |
232c150a | 16 | #include "usbtty.h" |
16c8d5e7 WD |
17 | #include "usb_cdc_acm.h" |
18 | #include "usbdescriptors.h" | |
232c150a | 19 | |
dedacc18 | 20 | #ifdef DEBUG |
16c8d5e7 WD |
21 | #define TTYDBG(fmt,args...)\ |
22 | serial_printf("[%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args) | |
232c150a WD |
23 | #else |
24 | #define TTYDBG(fmt,args...) do{}while(0) | |
25 | #endif | |
26 | ||
16c8d5e7 WD |
27 | #if 1 |
28 | #define TTYERR(fmt,args...)\ | |
29 | serial_printf("ERROR![%s] %s %d: "fmt, __FILE__,__FUNCTION__,\ | |
30 | __LINE__,##args) | |
232c150a WD |
31 | #else |
32 | #define TTYERR(fmt,args...) do{}while(0) | |
33 | #endif | |
34 | ||
16c8d5e7 WD |
35 | /* |
36 | * Defines | |
37 | */ | |
38 | #define NUM_CONFIGS 1 | |
39 | #define MAX_INTERFACES 2 | |
40 | #define NUM_ENDPOINTS 3 | |
41 | #define ACM_TX_ENDPOINT 3 | |
42 | #define ACM_RX_ENDPOINT 2 | |
43 | #define GSERIAL_TX_ENDPOINT 2 | |
44 | #define GSERIAL_RX_ENDPOINT 1 | |
45 | #define NUM_ACM_INTERFACES 2 | |
46 | #define NUM_GSERIAL_INTERFACES 1 | |
47 | #define CONFIG_USBD_DATA_INTERFACE_STR "Bulk Data Interface" | |
48 | #define CONFIG_USBD_CTRL_INTERFACE_STR "Control Interface" | |
49 | ||
232c150a WD |
50 | /* |
51 | * Buffers to hold input and output data | |
52 | */ | |
b2caefbb | 53 | #define USBTTY_BUFFER_SIZE 2048 |
232c150a WD |
54 | static circbuf_t usbtty_input; |
55 | static circbuf_t usbtty_output; | |
56 | ||
57 | ||
58 | /* | |
59 | * Instance variables | |
60 | */ | |
52cb4d4f | 61 | static struct stdio_dev usbttydev; |
16c8d5e7 WD |
62 | static struct usb_device_instance device_instance[1]; |
63 | static struct usb_bus_instance bus_instance[1]; | |
232c150a | 64 | static struct usb_configuration_instance config_instance[NUM_CONFIGS]; |
16c8d5e7 WD |
65 | static struct usb_interface_instance interface_instance[MAX_INTERFACES]; |
66 | static struct usb_alternate_instance alternate_instance[MAX_INTERFACES]; | |
67 | /* one extra for control endpoint */ | |
68 | static struct usb_endpoint_instance endpoint_instance[NUM_ENDPOINTS+1]; | |
232c150a WD |
69 | |
70 | /* | |
71 | * Global flag | |
72 | */ | |
73 | int usbtty_configured_flag = 0; | |
74 | ||
6629d2f2 WD |
75 | /* |
76 | * Serial number | |
77 | */ | |
78 | static char serial_number[16]; | |
79 | ||
16c8d5e7 | 80 | |
232c150a | 81 | /* |
16c8d5e7 | 82 | * Descriptors, Strings, Local variables. |
232c150a | 83 | */ |
16c8d5e7 | 84 | |
2731b9a8 | 85 | /* defined and used by gadget/ep0.c */ |
16c8d5e7 WD |
86 | extern struct usb_string_descriptor **usb_strings; |
87 | ||
88 | /* Indicies, References */ | |
89 | static unsigned short rx_endpoint = 0; | |
90 | static unsigned short tx_endpoint = 0; | |
91 | static unsigned short interface_count = 0; | |
92 | static struct usb_string_descriptor *usbtty_string_table[STR_COUNT]; | |
93 | ||
94 | /* USB Descriptor Strings */ | |
232c150a WD |
95 | static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4}; |
96 | static u8 wstrManufacturer[2 + 2*(sizeof(CONFIG_USBD_MANUFACTURER)-1)]; | |
97 | static u8 wstrProduct[2 + 2*(sizeof(CONFIG_USBD_PRODUCT_NAME)-1)]; | |
6629d2f2 | 98 | static u8 wstrSerial[2 + 2*(sizeof(serial_number) - 1)]; |
232c150a | 99 | static u8 wstrConfiguration[2 + 2*(sizeof(CONFIG_USBD_CONFIGURATION_STR)-1)]; |
16c8d5e7 WD |
100 | static u8 wstrDataInterface[2 + 2*(sizeof(CONFIG_USBD_DATA_INTERFACE_STR)-1)]; |
101 | static u8 wstrCtrlInterface[2 + 2*(sizeof(CONFIG_USBD_DATA_INTERFACE_STR)-1)]; | |
232c150a | 102 | |
16c8d5e7 WD |
103 | /* Standard USB Data Structures */ |
104 | static struct usb_interface_descriptor interface_descriptors[MAX_INTERFACES]; | |
105 | static struct usb_endpoint_descriptor *ep_descriptor_ptrs[NUM_ENDPOINTS]; | |
106 | static struct usb_configuration_descriptor *configuration_descriptor = 0; | |
232c150a | 107 | static struct usb_device_descriptor device_descriptor = { |
16c8d5e7 WD |
108 | .bLength = sizeof(struct usb_device_descriptor), |
109 | .bDescriptorType = USB_DT_DEVICE, | |
53677ef1 | 110 | .bcdUSB = cpu_to_le16(USB_BCD_VERSION), |
16c8d5e7 WD |
111 | .bDeviceSubClass = 0x00, |
112 | .bDeviceProtocol = 0x00, | |
113 | .bMaxPacketSize0 = EP0_MAX_PACKET_SIZE, | |
114 | .idVendor = cpu_to_le16(CONFIG_USBD_VENDORID), | |
115 | .bcdDevice = cpu_to_le16(USBTTY_BCD_DEVICE), | |
116 | .iManufacturer = STR_MANUFACTURER, | |
117 | .iProduct = STR_PRODUCT, | |
118 | .iSerialNumber = STR_SERIAL, | |
119 | .bNumConfigurations = NUM_CONFIGS | |
232c150a | 120 | }; |
16c8d5e7 WD |
121 | |
122 | ||
f9da0f89 VK |
123 | #if defined(CONFIG_USBD_HS) |
124 | static struct usb_qualifier_descriptor qualifier_descriptor = { | |
125 | .bLength = sizeof(struct usb_qualifier_descriptor), | |
126 | .bDescriptorType = USB_DT_QUAL, | |
127 | .bcdUSB = cpu_to_le16(USB_BCD_VERSION), | |
128 | .bDeviceClass = COMMUNICATIONS_DEVICE_CLASS, | |
129 | .bDeviceSubClass = 0x00, | |
130 | .bDeviceProtocol = 0x00, | |
131 | .bMaxPacketSize0 = EP0_MAX_PACKET_SIZE, | |
132 | .bNumConfigurations = NUM_CONFIGS | |
133 | }; | |
134 | #endif | |
135 | ||
16c8d5e7 WD |
136 | /* |
137 | * Static CDC ACM specific descriptors | |
138 | */ | |
139 | ||
140 | struct acm_config_desc { | |
141 | struct usb_configuration_descriptor configuration_desc; | |
386eda02 | 142 | |
16c8d5e7 WD |
143 | /* Master Interface */ |
144 | struct usb_interface_descriptor interface_desc; | |
386eda02 | 145 | |
16c8d5e7 WD |
146 | struct usb_class_header_function_descriptor usb_class_header; |
147 | struct usb_class_call_management_descriptor usb_class_call_mgt; | |
148 | struct usb_class_abstract_control_descriptor usb_class_acm; | |
149 | struct usb_class_union_function_descriptor usb_class_union; | |
150 | struct usb_endpoint_descriptor notification_endpoint; | |
151 | ||
152 | /* Slave Interface */ | |
153 | struct usb_interface_descriptor data_class_interface; | |
f3c0de63 | 154 | struct usb_endpoint_descriptor data_endpoints[NUM_ENDPOINTS-1]; |
16c8d5e7 WD |
155 | } __attribute__((packed)); |
156 | ||
157 | static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = { | |
158 | { | |
159 | .configuration_desc ={ | |
386eda02 | 160 | .bLength = |
16c8d5e7 | 161 | sizeof(struct usb_configuration_descriptor), |
53677ef1 | 162 | .bDescriptorType = USB_DT_CONFIG, |
386eda02 | 163 | .wTotalLength = |
16c8d5e7 | 164 | cpu_to_le16(sizeof(struct acm_config_desc)), |
53677ef1 WD |
165 | .bNumInterfaces = NUM_ACM_INTERFACES, |
166 | .bConfigurationValue = 1, | |
16c8d5e7 | 167 | .iConfiguration = STR_CONFIG, |
386eda02 | 168 | .bmAttributes = |
16c8d5e7 WD |
169 | BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED, |
170 | .bMaxPower = USBTTY_MAXPOWER | |
171 | }, | |
172 | /* Interface 1 */ | |
173 | .interface_desc = { | |
174 | .bLength = sizeof(struct usb_interface_descriptor), | |
175 | .bDescriptorType = USB_DT_INTERFACE, | |
176 | .bInterfaceNumber = 0, | |
177 | .bAlternateSetting = 0, | |
178 | .bNumEndpoints = 0x01, | |
386eda02 | 179 | .bInterfaceClass = |
16c8d5e7 WD |
180 | COMMUNICATIONS_INTERFACE_CLASS_CONTROL, |
181 | .bInterfaceSubClass = COMMUNICATIONS_ACM_SUBCLASS, | |
182 | .bInterfaceProtocol = COMMUNICATIONS_V25TER_PROTOCOL, | |
183 | .iInterface = STR_CTRL_INTERFACE, | |
184 | }, | |
185 | .usb_class_header = { | |
386eda02 | 186 | .bFunctionLength = |
16c8d5e7 | 187 | sizeof(struct usb_class_header_function_descriptor), |
386eda02 | 188 | .bDescriptorType = CS_INTERFACE, |
16c8d5e7 WD |
189 | .bDescriptorSubtype = USB_ST_HEADER, |
190 | .bcdCDC = cpu_to_le16(110), | |
191 | }, | |
192 | .usb_class_call_mgt = { | |
386eda02 | 193 | .bFunctionLength = |
16c8d5e7 WD |
194 | sizeof(struct usb_class_call_management_descriptor), |
195 | .bDescriptorType = CS_INTERFACE, | |
196 | .bDescriptorSubtype = USB_ST_CMF, | |
386eda02 WD |
197 | .bmCapabilities = 0x00, |
198 | .bDataInterface = 0x01, | |
16c8d5e7 WD |
199 | }, |
200 | .usb_class_acm = { | |
386eda02 | 201 | .bFunctionLength = |
16c8d5e7 WD |
202 | sizeof(struct usb_class_abstract_control_descriptor), |
203 | .bDescriptorType = CS_INTERFACE, | |
386eda02 WD |
204 | .bDescriptorSubtype = USB_ST_ACMF, |
205 | .bmCapabilities = 0x00, | |
16c8d5e7 WD |
206 | }, |
207 | .usb_class_union = { | |
386eda02 | 208 | .bFunctionLength = |
16c8d5e7 WD |
209 | sizeof(struct usb_class_union_function_descriptor), |
210 | .bDescriptorType = CS_INTERFACE, | |
211 | .bDescriptorSubtype = USB_ST_UF, | |
386eda02 WD |
212 | .bMasterInterface = 0x00, |
213 | .bSlaveInterface0 = 0x01, | |
16c8d5e7 WD |
214 | }, |
215 | .notification_endpoint = { | |
386eda02 | 216 | .bLength = |
16c8d5e7 WD |
217 | sizeof(struct usb_endpoint_descriptor), |
218 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 219 | .bEndpointAddress = UDC_INT_ENDPOINT | USB_DIR_IN, |
16c8d5e7 | 220 | .bmAttributes = USB_ENDPOINT_XFER_INT, |
386eda02 | 221 | .wMaxPacketSize |
16c8d5e7 WD |
222 | = cpu_to_le16(CONFIG_USBD_SERIAL_INT_PKTSIZE), |
223 | .bInterval = 0xFF, | |
224 | }, | |
225 | ||
226 | /* Interface 2 */ | |
227 | .data_class_interface = { | |
386eda02 | 228 | .bLength = |
16c8d5e7 WD |
229 | sizeof(struct usb_interface_descriptor), |
230 | .bDescriptorType = USB_DT_INTERFACE, | |
231 | .bInterfaceNumber = 0x01, | |
232 | .bAlternateSetting = 0x00, | |
233 | .bNumEndpoints = 0x02, | |
386eda02 | 234 | .bInterfaceClass = |
16c8d5e7 WD |
235 | COMMUNICATIONS_INTERFACE_CLASS_DATA, |
236 | .bInterfaceSubClass = DATA_INTERFACE_SUBCLASS_NONE, | |
237 | .bInterfaceProtocol = DATA_INTERFACE_PROTOCOL_NONE, | |
238 | .iInterface = STR_DATA_INTERFACE, | |
239 | }, | |
240 | .data_endpoints = { | |
241 | { | |
386eda02 | 242 | .bLength = |
16c8d5e7 WD |
243 | sizeof(struct usb_endpoint_descriptor), |
244 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 245 | .bEndpointAddress = UDC_OUT_ENDPOINT | USB_DIR_OUT, |
386eda02 | 246 | .bmAttributes = |
16c8d5e7 | 247 | USB_ENDPOINT_XFER_BULK, |
386eda02 | 248 | .wMaxPacketSize = |
16c8d5e7 WD |
249 | cpu_to_le16(CONFIG_USBD_SERIAL_BULK_PKTSIZE), |
250 | .bInterval = 0xFF, | |
251 | }, | |
252 | { | |
386eda02 | 253 | .bLength = |
16c8d5e7 WD |
254 | sizeof(struct usb_endpoint_descriptor), |
255 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 256 | .bEndpointAddress = UDC_IN_ENDPOINT | USB_DIR_IN, |
386eda02 | 257 | .bmAttributes = |
16c8d5e7 | 258 | USB_ENDPOINT_XFER_BULK, |
386eda02 | 259 | .wMaxPacketSize = |
16c8d5e7 WD |
260 | cpu_to_le16(CONFIG_USBD_SERIAL_BULK_PKTSIZE), |
261 | .bInterval = 0xFF, | |
262 | }, | |
263 | }, | |
264 | }, | |
386eda02 | 265 | }; |
16c8d5e7 WD |
266 | |
267 | static struct rs232_emu rs232_desc={ | |
53677ef1 WD |
268 | .dter = 115200, |
269 | .stop_bits = 0x00, | |
270 | .parity = 0x00, | |
16c8d5e7 | 271 | .data_bits = 0x08 |
232c150a WD |
272 | }; |
273 | ||
232c150a | 274 | |
16c8d5e7 WD |
275 | /* |
276 | * Static Generic Serial specific data | |
277 | */ | |
278 | ||
279 | ||
280 | struct gserial_config_desc { | |
386eda02 | 281 | |
16c8d5e7 | 282 | struct usb_configuration_descriptor configuration_desc; |
f3c0de63 AM |
283 | struct usb_interface_descriptor interface_desc[NUM_GSERIAL_INTERFACES]; |
284 | struct usb_endpoint_descriptor data_endpoints[NUM_ENDPOINTS]; | |
16c8d5e7 WD |
285 | |
286 | } __attribute__((packed)); | |
287 | ||
386eda02 | 288 | static struct gserial_config_desc |
16c8d5e7 WD |
289 | gserial_configuration_descriptors[NUM_CONFIGS] ={ |
290 | { | |
291 | .configuration_desc ={ | |
292 | .bLength = sizeof(struct usb_configuration_descriptor), | |
293 | .bDescriptorType = USB_DT_CONFIG, | |
386eda02 | 294 | .wTotalLength = |
16c8d5e7 WD |
295 | cpu_to_le16(sizeof(struct gserial_config_desc)), |
296 | .bNumInterfaces = NUM_GSERIAL_INTERFACES, | |
297 | .bConfigurationValue = 1, | |
298 | .iConfiguration = STR_CONFIG, | |
386eda02 | 299 | .bmAttributes = |
16c8d5e7 WD |
300 | BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED, |
301 | .bMaxPower = USBTTY_MAXPOWER | |
302 | }, | |
303 | .interface_desc = { | |
304 | { | |
386eda02 | 305 | .bLength = |
16c8d5e7 WD |
306 | sizeof(struct usb_interface_descriptor), |
307 | .bDescriptorType = USB_DT_INTERFACE, | |
308 | .bInterfaceNumber = 0, | |
309 | .bAlternateSetting = 0, | |
310 | .bNumEndpoints = NUM_ENDPOINTS, | |
386eda02 | 311 | .bInterfaceClass = |
16c8d5e7 | 312 | COMMUNICATIONS_INTERFACE_CLASS_VENDOR, |
386eda02 | 313 | .bInterfaceSubClass = |
16c8d5e7 | 314 | COMMUNICATIONS_NO_SUBCLASS, |
386eda02 | 315 | .bInterfaceProtocol = |
16c8d5e7 WD |
316 | COMMUNICATIONS_NO_PROTOCOL, |
317 | .iInterface = STR_DATA_INTERFACE | |
318 | }, | |
53677ef1 | 319 | }, |
16c8d5e7 WD |
320 | .data_endpoints = { |
321 | { | |
386eda02 | 322 | .bLength = |
16c8d5e7 WD |
323 | sizeof(struct usb_endpoint_descriptor), |
324 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 325 | .bEndpointAddress = UDC_OUT_ENDPOINT | USB_DIR_OUT, |
16c8d5e7 | 326 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
386eda02 | 327 | .wMaxPacketSize = |
16c8d5e7 WD |
328 | cpu_to_le16(CONFIG_USBD_SERIAL_OUT_PKTSIZE), |
329 | .bInterval= 0xFF, | |
330 | }, | |
331 | { | |
386eda02 | 332 | .bLength = |
16c8d5e7 WD |
333 | sizeof(struct usb_endpoint_descriptor), |
334 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 335 | .bEndpointAddress = UDC_IN_ENDPOINT | USB_DIR_IN, |
16c8d5e7 | 336 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
386eda02 | 337 | .wMaxPacketSize = |
16c8d5e7 | 338 | cpu_to_le16(CONFIG_USBD_SERIAL_IN_PKTSIZE), |
53677ef1 | 339 | .bInterval = 0xFF, |
16c8d5e7 WD |
340 | }, |
341 | { | |
386eda02 | 342 | .bLength = |
16c8d5e7 WD |
343 | sizeof(struct usb_endpoint_descriptor), |
344 | .bDescriptorType = USB_DT_ENDPOINT, | |
9e78dae2 | 345 | .bEndpointAddress = UDC_INT_ENDPOINT | USB_DIR_IN, |
16c8d5e7 | 346 | .bmAttributes = USB_ENDPOINT_XFER_INT, |
53677ef1 | 347 | .wMaxPacketSize = |
16c8d5e7 WD |
348 | cpu_to_le16(CONFIG_USBD_SERIAL_INT_PKTSIZE), |
349 | .bInterval = 0xFF, | |
350 | }, | |
351 | }, | |
352 | }, | |
353 | }; | |
232c150a WD |
354 | |
355 | /* | |
16c8d5e7 | 356 | * Static Function Prototypes |
232c150a | 357 | */ |
16c8d5e7 | 358 | |
232c150a WD |
359 | static void usbtty_init_strings (void); |
360 | static void usbtty_init_instances (void); | |
361 | static void usbtty_init_endpoints (void); | |
16c8d5e7 | 362 | static void usbtty_init_terminal_type(short type); |
232c150a | 363 | static void usbtty_event_handler (struct usb_device_instance *device, |
16c8d5e7 | 364 | usb_device_event_t event, int data); |
386eda02 | 365 | static int usbtty_cdc_setup(struct usb_device_request *request, |
16c8d5e7 | 366 | struct urb *urb); |
232c150a | 367 | static int usbtty_configured (void); |
232c150a WD |
368 | static int write_buffer (circbuf_t * buf); |
369 | static int fill_buffer (circbuf_t * buf); | |
370 | ||
371 | void usbtty_poll (void); | |
232c150a | 372 | |
16c8d5e7 WD |
373 | /* utility function for converting char* to wide string used by USB */ |
374 | static void str2wide (char *str, u16 * wide) | |
375 | { | |
376 | int i; | |
377 | for (i = 0; i < strlen (str) && str[i]; i++){ | |
18135125 | 378 | #if defined(__LITTLE_ENDIAN) |
16c8d5e7 | 379 | wide[i] = (u16) str[i]; |
18135125 | 380 | #elif defined(__BIG_ENDIAN) |
16c8d5e7 WD |
381 | wide[i] = ((u16)(str[i])<<8); |
382 | #else | |
18135125 | 383 | #error "__LITTLE_ENDIAN or __BIG_ENDIAN undefined" |
16c8d5e7 WD |
384 | #endif |
385 | } | |
386 | } | |
232c150a WD |
387 | |
388 | /* | |
389 | * Test whether a character is in the RX buffer | |
390 | */ | |
16c8d5e7 | 391 | |
709ea543 | 392 | int usbtty_tstc(struct stdio_dev *dev) |
232c150a | 393 | { |
16c8d5e7 WD |
394 | struct usb_endpoint_instance *endpoint = |
395 | &endpoint_instance[rx_endpoint]; | |
396 | ||
397 | /* If no input data exists, allow more RX to be accepted */ | |
398 | if(usbtty_input.size <= 0){ | |
399 | udc_unset_nak(endpoint->endpoint_address&0x03); | |
400 | } | |
401 | ||
232c150a WD |
402 | usbtty_poll (); |
403 | return (usbtty_input.size > 0); | |
404 | } | |
405 | ||
406 | /* | |
407 | * Read a single byte from the usb client port. Returns 1 on success, 0 | |
408 | * otherwise. When the function is succesfull, the character read is | |
409 | * written into its argument c. | |
410 | */ | |
16c8d5e7 | 411 | |
709ea543 | 412 | int usbtty_getc(struct stdio_dev *dev) |
232c150a WD |
413 | { |
414 | char c; | |
16c8d5e7 WD |
415 | struct usb_endpoint_instance *endpoint = |
416 | &endpoint_instance[rx_endpoint]; | |
232c150a WD |
417 | |
418 | while (usbtty_input.size <= 0) { | |
16c8d5e7 | 419 | udc_unset_nak(endpoint->endpoint_address&0x03); |
232c150a WD |
420 | usbtty_poll (); |
421 | } | |
422 | ||
423 | buf_pop (&usbtty_input, &c, 1); | |
16c8d5e7 WD |
424 | udc_set_nak(endpoint->endpoint_address&0x03); |
425 | ||
232c150a WD |
426 | return c; |
427 | } | |
428 | ||
429 | /* | |
430 | * Output a single byte to the usb client port. | |
431 | */ | |
709ea543 | 432 | void usbtty_putc(struct stdio_dev *dev, const char c) |
232c150a | 433 | { |
f3c0de63 AM |
434 | if (!usbtty_configured ()) |
435 | return; | |
436 | ||
232c150a WD |
437 | buf_push (&usbtty_output, &c, 1); |
438 | /* If \n, also do \r */ | |
439 | if (c == '\n') | |
440 | buf_push (&usbtty_output, "\r", 1); | |
441 | ||
442 | /* Poll at end to handle new data... */ | |
443 | if ((usbtty_output.size + 2) >= usbtty_output.totalsize) { | |
444 | usbtty_poll (); | |
445 | } | |
446 | } | |
447 | ||
232c150a WD |
448 | /* usbtty_puts() helper function for finding the next '\n' in a string */ |
449 | static int next_nl_pos (const char *s) | |
450 | { | |
451 | int i; | |
452 | ||
453 | for (i = 0; s[i] != '\0'; i++) { | |
454 | if (s[i] == '\n') | |
455 | return i; | |
456 | } | |
457 | return i; | |
458 | } | |
459 | ||
460 | /* | |
16c8d5e7 | 461 | * Output a string to the usb client port - implementing flow control |
232c150a | 462 | */ |
16c8d5e7 | 463 | |
232c150a WD |
464 | static void __usbtty_puts (const char *str, int len) |
465 | { | |
466 | int maxlen = usbtty_output.totalsize; | |
467 | int space, n; | |
468 | ||
469 | /* break str into chunks < buffer size, if needed */ | |
470 | while (len > 0) { | |
16c8d5e7 | 471 | usbtty_poll (); |
232c150a | 472 | |
16c8d5e7 | 473 | space = maxlen - usbtty_output.size; |
232c150a | 474 | /* Empty buffer here, if needed, to ensure space... */ |
16c8d5e7 | 475 | if (space) { |
232c150a | 476 | write_buffer (&usbtty_output); |
386eda02 | 477 | |
16c8d5e7 WD |
478 | n = MIN (space, MIN (len, maxlen)); |
479 | buf_push (&usbtty_output, str, n); | |
232c150a | 480 | |
16c8d5e7 | 481 | str += n; |
386eda02 | 482 | len -= n; |
16c8d5e7 | 483 | } |
232c150a WD |
484 | } |
485 | } | |
486 | ||
709ea543 | 487 | void usbtty_puts(struct stdio_dev *dev, const char *str) |
232c150a WD |
488 | { |
489 | int n; | |
f3c0de63 AM |
490 | int len; |
491 | ||
492 | if (!usbtty_configured ()) | |
493 | return; | |
232c150a | 494 | |
f3c0de63 | 495 | len = strlen (str); |
232c150a WD |
496 | /* add '\r' for each '\n' */ |
497 | while (len > 0) { | |
498 | n = next_nl_pos (str); | |
499 | ||
500 | if (str[n] == '\n') { | |
501 | __usbtty_puts (str, n + 1); | |
502 | __usbtty_puts ("\r", 1); | |
503 | str += (n + 1); | |
504 | len -= (n + 1); | |
505 | } else { | |
506 | /* No \n found. All done. */ | |
507 | __usbtty_puts (str, n); | |
508 | break; | |
509 | } | |
510 | } | |
511 | ||
512 | /* Poll at end to handle new data... */ | |
513 | usbtty_poll (); | |
514 | } | |
515 | ||
516 | /* | |
517 | * Initialize the usb client port. | |
518 | * | |
519 | */ | |
520 | int drv_usbtty_init (void) | |
521 | { | |
522 | int rc; | |
6629d2f2 | 523 | char * sn; |
16c8d5e7 | 524 | char * tt; |
6629d2f2 | 525 | int snlen; |
42dfe7a1 | 526 | |
16c8d5e7 | 527 | /* Ger seiral number */ |
6629d2f2 WD |
528 | if (!(sn = getenv("serial#"))) { |
529 | sn = "000000000000"; | |
530 | } | |
531 | snlen = strlen(sn); | |
532 | if (snlen > sizeof(serial_number) - 1) { | |
b64f190b WD |
533 | printf ("Warning: serial number %s is too long (%d > %lu)\n", |
534 | sn, snlen, (ulong)(sizeof(serial_number) - 1)); | |
6629d2f2 WD |
535 | snlen = sizeof(serial_number) - 1; |
536 | } | |
537 | memcpy (serial_number, sn, snlen); | |
538 | serial_number[snlen] = '\0'; | |
232c150a | 539 | |
16c8d5e7 WD |
540 | /* Decide on which type of UDC device to be. |
541 | */ | |
542 | ||
543 | if(!(tt = getenv("usbtty"))) { | |
544 | tt = "generic"; | |
545 | } | |
546 | usbtty_init_terminal_type(strcmp(tt,"cdc_acm")); | |
386eda02 | 547 | |
232c150a WD |
548 | /* prepare buffers... */ |
549 | buf_init (&usbtty_input, USBTTY_BUFFER_SIZE); | |
550 | buf_init (&usbtty_output, USBTTY_BUFFER_SIZE); | |
551 | ||
552 | /* Now, set up USB controller and infrastructure */ | |
553 | udc_init (); /* Basic USB initialization */ | |
554 | ||
555 | usbtty_init_strings (); | |
556 | usbtty_init_instances (); | |
557 | ||
241d9a61 SH |
558 | usbtty_init_endpoints (); |
559 | ||
16c8d5e7 | 560 | udc_startup_events (device_instance);/* Enable dev, init udc pointers */ |
232c150a WD |
561 | udc_connect (); /* Enable pullup for host detection */ |
562 | ||
232c150a WD |
563 | /* Device initialization */ |
564 | memset (&usbttydev, 0, sizeof (usbttydev)); | |
565 | ||
566 | strcpy (usbttydev.name, "usbtty"); | |
567 | usbttydev.ext = 0; /* No extensions */ | |
568 | usbttydev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_OUTPUT; | |
569 | usbttydev.tstc = usbtty_tstc; /* 'tstc' function */ | |
570 | usbttydev.getc = usbtty_getc; /* 'getc' function */ | |
571 | usbttydev.putc = usbtty_putc; /* 'putc' function */ | |
572 | usbttydev.puts = usbtty_puts; /* 'puts' function */ | |
573 | ||
52cb4d4f | 574 | rc = stdio_register (&usbttydev); |
232c150a WD |
575 | |
576 | return (rc == 0) ? 1 : rc; | |
577 | } | |
578 | ||
579 | static void usbtty_init_strings (void) | |
580 | { | |
581 | struct usb_string_descriptor *string; | |
582 | ||
386eda02 | 583 | usbtty_string_table[STR_LANG] = |
16c8d5e7 WD |
584 | (struct usb_string_descriptor*)wstrLang; |
585 | ||
232c150a | 586 | string = (struct usb_string_descriptor *) wstrManufacturer; |
16c8d5e7 | 587 | string->bLength = sizeof(wstrManufacturer); |
232c150a WD |
588 | string->bDescriptorType = USB_DT_STRING; |
589 | str2wide (CONFIG_USBD_MANUFACTURER, string->wData); | |
16c8d5e7 WD |
590 | usbtty_string_table[STR_MANUFACTURER]=string; |
591 | ||
232c150a WD |
592 | |
593 | string = (struct usb_string_descriptor *) wstrProduct; | |
16c8d5e7 | 594 | string->bLength = sizeof(wstrProduct); |
232c150a WD |
595 | string->bDescriptorType = USB_DT_STRING; |
596 | str2wide (CONFIG_USBD_PRODUCT_NAME, string->wData); | |
16c8d5e7 WD |
597 | usbtty_string_table[STR_PRODUCT]=string; |
598 | ||
232c150a WD |
599 | |
600 | string = (struct usb_string_descriptor *) wstrSerial; | |
16c8d5e7 | 601 | string->bLength = sizeof(serial_number); |
232c150a | 602 | string->bDescriptorType = USB_DT_STRING; |
6629d2f2 | 603 | str2wide (serial_number, string->wData); |
16c8d5e7 WD |
604 | usbtty_string_table[STR_SERIAL]=string; |
605 | ||
232c150a WD |
606 | |
607 | string = (struct usb_string_descriptor *) wstrConfiguration; | |
16c8d5e7 | 608 | string->bLength = sizeof(wstrConfiguration); |
232c150a WD |
609 | string->bDescriptorType = USB_DT_STRING; |
610 | str2wide (CONFIG_USBD_CONFIGURATION_STR, string->wData); | |
16c8d5e7 WD |
611 | usbtty_string_table[STR_CONFIG]=string; |
612 | ||
613 | ||
614 | string = (struct usb_string_descriptor *) wstrDataInterface; | |
615 | string->bLength = sizeof(wstrDataInterface); | |
616 | string->bDescriptorType = USB_DT_STRING; | |
617 | str2wide (CONFIG_USBD_DATA_INTERFACE_STR, string->wData); | |
618 | usbtty_string_table[STR_DATA_INTERFACE]=string; | |
232c150a | 619 | |
16c8d5e7 WD |
620 | string = (struct usb_string_descriptor *) wstrCtrlInterface; |
621 | string->bLength = sizeof(wstrCtrlInterface); | |
232c150a | 622 | string->bDescriptorType = USB_DT_STRING; |
16c8d5e7 WD |
623 | str2wide (CONFIG_USBD_CTRL_INTERFACE_STR, string->wData); |
624 | usbtty_string_table[STR_CTRL_INTERFACE]=string; | |
232c150a WD |
625 | |
626 | /* Now, initialize the string table for ep0 handling */ | |
627 | usb_strings = usbtty_string_table; | |
386eda02 | 628 | } |
232c150a | 629 | |
b2fb47f1 TR |
630 | #define init_wMaxPacketSize(x) le16_to_cpu(get_unaligned(\ |
631 | &ep_descriptor_ptrs[(x) - 1]->wMaxPacketSize)); | |
632 | ||
232c150a WD |
633 | static void usbtty_init_instances (void) |
634 | { | |
635 | int i; | |
636 | ||
637 | /* initialize device instance */ | |
638 | memset (device_instance, 0, sizeof (struct usb_device_instance)); | |
639 | device_instance->device_state = STATE_INIT; | |
640 | device_instance->device_descriptor = &device_descriptor; | |
f9da0f89 VK |
641 | #if defined(CONFIG_USBD_HS) |
642 | device_instance->qualifier_descriptor = &qualifier_descriptor; | |
643 | #endif | |
232c150a | 644 | device_instance->event = usbtty_event_handler; |
16c8d5e7 | 645 | device_instance->cdc_recv_setup = usbtty_cdc_setup; |
232c150a WD |
646 | device_instance->bus = bus_instance; |
647 | device_instance->configurations = NUM_CONFIGS; | |
648 | device_instance->configuration_instance_array = config_instance; | |
649 | ||
650 | /* initialize bus instance */ | |
651 | memset (bus_instance, 0, sizeof (struct usb_bus_instance)); | |
652 | bus_instance->device = device_instance; | |
653 | bus_instance->endpoint_array = endpoint_instance; | |
654 | bus_instance->max_endpoints = 1; | |
655 | bus_instance->maxpacketsize = 64; | |
6629d2f2 | 656 | bus_instance->serial_number_str = serial_number; |
232c150a WD |
657 | |
658 | /* configuration instance */ | |
659 | memset (config_instance, 0, | |
660 | sizeof (struct usb_configuration_instance)); | |
16c8d5e7 WD |
661 | config_instance->interfaces = interface_count; |
662 | config_instance->configuration_descriptor = configuration_descriptor; | |
232c150a WD |
663 | config_instance->interface_instance_array = interface_instance; |
664 | ||
665 | /* interface instance */ | |
666 | memset (interface_instance, 0, | |
667 | sizeof (struct usb_interface_instance)); | |
668 | interface_instance->alternates = 1; | |
669 | interface_instance->alternates_instance_array = alternate_instance; | |
670 | ||
671 | /* alternates instance */ | |
672 | memset (alternate_instance, 0, | |
673 | sizeof (struct usb_alternate_instance)); | |
674 | alternate_instance->interface_descriptor = interface_descriptors; | |
675 | alternate_instance->endpoints = NUM_ENDPOINTS; | |
676 | alternate_instance->endpoints_descriptor_array = ep_descriptor_ptrs; | |
677 | ||
678 | /* endpoint instances */ | |
679 | memset (&endpoint_instance[0], 0, | |
680 | sizeof (struct usb_endpoint_instance)); | |
681 | endpoint_instance[0].endpoint_address = 0; | |
682 | endpoint_instance[0].rcv_packetSize = EP0_MAX_PACKET_SIZE; | |
683 | endpoint_instance[0].rcv_attributes = USB_ENDPOINT_XFER_CONTROL; | |
684 | endpoint_instance[0].tx_packetSize = EP0_MAX_PACKET_SIZE; | |
685 | endpoint_instance[0].tx_attributes = USB_ENDPOINT_XFER_CONTROL; | |
686 | udc_setup_ep (device_instance, 0, &endpoint_instance[0]); | |
687 | ||
688 | for (i = 1; i <= NUM_ENDPOINTS; i++) { | |
689 | memset (&endpoint_instance[i], 0, | |
690 | sizeof (struct usb_endpoint_instance)); | |
691 | ||
692 | endpoint_instance[i].endpoint_address = | |
16c8d5e7 | 693 | ep_descriptor_ptrs[i - 1]->bEndpointAddress; |
232c150a | 694 | |
232c150a | 695 | endpoint_instance[i].rcv_attributes = |
16c8d5e7 WD |
696 | ep_descriptor_ptrs[i - 1]->bmAttributes; |
697 | ||
b2fb47f1 | 698 | endpoint_instance[i].rcv_packetSize = init_wMaxPacketSize(i); |
386eda02 | 699 | |
16c8d5e7 WD |
700 | endpoint_instance[i].tx_attributes = |
701 | ep_descriptor_ptrs[i - 1]->bmAttributes; | |
232c150a | 702 | |
b2fb47f1 | 703 | endpoint_instance[i].tx_packetSize = init_wMaxPacketSize(i); |
16c8d5e7 | 704 | |
232c150a | 705 | endpoint_instance[i].tx_attributes = |
16c8d5e7 | 706 | ep_descriptor_ptrs[i - 1]->bmAttributes; |
232c150a WD |
707 | |
708 | urb_link_init (&endpoint_instance[i].rcv); | |
709 | urb_link_init (&endpoint_instance[i].rdy); | |
710 | urb_link_init (&endpoint_instance[i].tx); | |
711 | urb_link_init (&endpoint_instance[i].done); | |
712 | ||
713 | if (endpoint_instance[i].endpoint_address & USB_DIR_IN) | |
714 | endpoint_instance[i].tx_urb = | |
715 | usbd_alloc_urb (device_instance, | |
716 | &endpoint_instance[i]); | |
717 | else | |
718 | endpoint_instance[i].rcv_urb = | |
719 | usbd_alloc_urb (device_instance, | |
720 | &endpoint_instance[i]); | |
721 | } | |
722 | } | |
723 | ||
724 | static void usbtty_init_endpoints (void) | |
725 | { | |
726 | int i; | |
727 | ||
728 | bus_instance->max_endpoints = NUM_ENDPOINTS + 1; | |
386eda02 | 729 | for (i = 1; i <= NUM_ENDPOINTS; i++) { |
232c150a WD |
730 | udc_setup_ep (device_instance, i, &endpoint_instance[i]); |
731 | } | |
732 | } | |
733 | ||
16c8d5e7 | 734 | /* usbtty_init_terminal_type |
386eda02 | 735 | * |
16c8d5e7 WD |
736 | * Do some late binding for our device type. |
737 | */ | |
738 | static void usbtty_init_terminal_type(short type) | |
739 | { | |
740 | switch(type){ | |
386eda02 | 741 | /* CDC ACM */ |
16c8d5e7 WD |
742 | case 0: |
743 | /* Assign endpoint descriptors */ | |
386eda02 | 744 | ep_descriptor_ptrs[0] = |
16c8d5e7 | 745 | &acm_configuration_descriptors[0].notification_endpoint; |
386eda02 | 746 | ep_descriptor_ptrs[1] = |
16c8d5e7 | 747 | &acm_configuration_descriptors[0].data_endpoints[0]; |
386eda02 | 748 | ep_descriptor_ptrs[2] = |
16c8d5e7 WD |
749 | &acm_configuration_descriptors[0].data_endpoints[1]; |
750 | ||
751 | /* Enumerate Device Descriptor */ | |
386eda02 | 752 | device_descriptor.bDeviceClass = |
16c8d5e7 WD |
753 | COMMUNICATIONS_DEVICE_CLASS; |
754 | device_descriptor.idProduct = | |
755 | cpu_to_le16(CONFIG_USBD_PRODUCTID_CDCACM); | |
756 | ||
f9da0f89 VK |
757 | #if defined(CONFIG_USBD_HS) |
758 | qualifier_descriptor.bDeviceClass = | |
759 | COMMUNICATIONS_DEVICE_CLASS; | |
760 | #endif | |
16c8d5e7 WD |
761 | /* Assign endpoint indices */ |
762 | tx_endpoint = ACM_TX_ENDPOINT; | |
763 | rx_endpoint = ACM_RX_ENDPOINT; | |
386eda02 | 764 | |
16c8d5e7 WD |
765 | /* Configuration Descriptor */ |
766 | configuration_descriptor = | |
767 | (struct usb_configuration_descriptor*) | |
768 | &acm_configuration_descriptors; | |
769 | ||
770 | /* Interface count */ | |
771 | interface_count = NUM_ACM_INTERFACES; | |
772 | break; | |
232c150a | 773 | |
16c8d5e7 WD |
774 | /* BULK IN/OUT & Default */ |
775 | case 1: | |
776 | default: | |
777 | /* Assign endpoint descriptors */ | |
386eda02 | 778 | ep_descriptor_ptrs[0] = |
16c8d5e7 | 779 | &gserial_configuration_descriptors[0].data_endpoints[0]; |
386eda02 | 780 | ep_descriptor_ptrs[1] = |
16c8d5e7 | 781 | &gserial_configuration_descriptors[0].data_endpoints[1]; |
386eda02 | 782 | ep_descriptor_ptrs[2] = |
16c8d5e7 WD |
783 | &gserial_configuration_descriptors[0].data_endpoints[2]; |
784 | ||
785 | /* Enumerate Device Descriptor */ | |
786 | device_descriptor.bDeviceClass = 0xFF; | |
787 | device_descriptor.idProduct = | |
788 | cpu_to_le16(CONFIG_USBD_PRODUCTID_GSERIAL); | |
f9da0f89 VK |
789 | #if defined(CONFIG_USBD_HS) |
790 | qualifier_descriptor.bDeviceClass = 0xFF; | |
791 | #endif | |
16c8d5e7 WD |
792 | /* Assign endpoint indices */ |
793 | tx_endpoint = GSERIAL_TX_ENDPOINT; | |
794 | rx_endpoint = GSERIAL_RX_ENDPOINT; | |
795 | ||
796 | /* Configuration Descriptor */ | |
386eda02 | 797 | configuration_descriptor = |
16c8d5e7 WD |
798 | (struct usb_configuration_descriptor*) |
799 | &gserial_configuration_descriptors; | |
800 | ||
801 | /* Interface count */ | |
802 | interface_count = NUM_GSERIAL_INTERFACES; | |
803 | break; | |
804 | } | |
805 | } | |
806 | ||
807 | /******************************************************************************/ | |
232c150a WD |
808 | |
809 | static struct urb *next_urb (struct usb_device_instance *device, | |
810 | struct usb_endpoint_instance *endpoint) | |
811 | { | |
812 | struct urb *current_urb = NULL; | |
813 | int space; | |
814 | ||
815 | /* If there's a queue, then we should add to the last urb */ | |
816 | if (!endpoint->tx_queue) { | |
817 | current_urb = endpoint->tx_urb; | |
818 | } else { | |
819 | /* Last urb from tx chain */ | |
820 | current_urb = | |
821 | p2surround (struct urb, link, endpoint->tx.prev); | |
822 | } | |
823 | ||
824 | /* Make sure this one has enough room */ | |
825 | space = current_urb->buffer_length - current_urb->actual_length; | |
826 | if (space > 0) { | |
827 | return current_urb; | |
828 | } else { /* No space here */ | |
829 | /* First look at done list */ | |
830 | current_urb = first_urb_detached (&endpoint->done); | |
831 | if (!current_urb) { | |
832 | current_urb = usbd_alloc_urb (device, endpoint); | |
833 | } | |
834 | ||
835 | urb_append (&endpoint->tx, current_urb); | |
836 | endpoint->tx_queue++; | |
837 | } | |
838 | return current_urb; | |
839 | } | |
840 | ||
841 | static int write_buffer (circbuf_t * buf) | |
842 | { | |
843 | if (!usbtty_configured ()) { | |
844 | return 0; | |
845 | } | |
386eda02 | 846 | |
16c8d5e7 WD |
847 | struct usb_endpoint_instance *endpoint = |
848 | &endpoint_instance[tx_endpoint]; | |
849 | struct urb *current_urb = NULL; | |
232c150a | 850 | |
16c8d5e7 | 851 | current_urb = next_urb (device_instance, endpoint); |
386eda02 WD |
852 | /* TX data still exists - send it now |
853 | */ | |
16c8d5e7 WD |
854 | if(endpoint->sent < current_urb->actual_length){ |
855 | if(udc_endpoint_write (endpoint)){ | |
856 | /* Write pre-empted by RX */ | |
857 | return -1; | |
858 | } | |
859 | } | |
232c150a | 860 | |
16c8d5e7 | 861 | if (buf->size) { |
232c150a WD |
862 | char *dest; |
863 | ||
864 | int space_avail; | |
865 | int popnum, popped; | |
866 | int total = 0; | |
867 | ||
386eda02 WD |
868 | /* Break buffer into urb sized pieces, |
869 | * and link each to the endpoint | |
16c8d5e7 | 870 | */ |
232c150a | 871 | while (buf->size > 0) { |
386eda02 | 872 | |
232c150a WD |
873 | if (!current_urb) { |
874 | TTYERR ("current_urb is NULL, buf->size %d\n", | |
875 | buf->size); | |
876 | return total; | |
877 | } | |
878 | ||
16c8d5e7 | 879 | dest = (char*)current_urb->buffer + |
232c150a WD |
880 | current_urb->actual_length; |
881 | ||
882 | space_avail = | |
883 | current_urb->buffer_length - | |
884 | current_urb->actual_length; | |
885 | popnum = MIN (space_avail, buf->size); | |
886 | if (popnum == 0) | |
887 | break; | |
888 | ||
889 | popped = buf_pop (buf, dest, popnum); | |
890 | if (popped == 0) | |
891 | break; | |
892 | current_urb->actual_length += popped; | |
893 | total += popped; | |
894 | ||
386eda02 WD |
895 | /* If endpoint->last == 0, then transfers have |
896 | * not started on this endpoint | |
16c8d5e7 | 897 | */ |
232c150a | 898 | if (endpoint->last == 0) { |
16c8d5e7 WD |
899 | if(udc_endpoint_write (endpoint)){ |
900 | /* Write pre-empted by RX */ | |
901 | return -1; | |
902 | } | |
232c150a WD |
903 | } |
904 | ||
16c8d5e7 | 905 | }/* end while */ |
232c150a | 906 | return total; |
16c8d5e7 | 907 | } |
232c150a WD |
908 | |
909 | return 0; | |
910 | } | |
911 | ||
912 | static int fill_buffer (circbuf_t * buf) | |
913 | { | |
914 | struct usb_endpoint_instance *endpoint = | |
16c8d5e7 | 915 | &endpoint_instance[rx_endpoint]; |
232c150a WD |
916 | |
917 | if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) { | |
386eda02 | 918 | unsigned int nb = 0; |
232c150a | 919 | char *src = (char *) endpoint->rcv_urb->buffer; |
16c8d5e7 | 920 | unsigned int rx_avail = buf->totalsize - buf->size; |
232c150a | 921 | |
16c8d5e7 | 922 | if(rx_avail >= endpoint->rcv_urb->actual_length){ |
232c150a | 923 | |
16c8d5e7 WD |
924 | nb = endpoint->rcv_urb->actual_length; |
925 | buf_push (buf, src, nb); | |
926 | endpoint->rcv_urb->actual_length = 0; | |
386eda02 | 927 | |
16c8d5e7 | 928 | } |
232c150a WD |
929 | return nb; |
930 | } | |
232c150a WD |
931 | return 0; |
932 | } | |
933 | ||
934 | static int usbtty_configured (void) | |
935 | { | |
936 | return usbtty_configured_flag; | |
937 | } | |
938 | ||
16c8d5e7 | 939 | /******************************************************************************/ |
232c150a WD |
940 | |
941 | static void usbtty_event_handler (struct usb_device_instance *device, | |
942 | usb_device_event_t event, int data) | |
943 | { | |
f9da0f89 VK |
944 | #if defined(CONFIG_USBD_HS) |
945 | int i; | |
946 | #endif | |
232c150a WD |
947 | switch (event) { |
948 | case DEVICE_RESET: | |
949 | case DEVICE_BUS_INACTIVE: | |
950 | usbtty_configured_flag = 0; | |
951 | break; | |
952 | case DEVICE_CONFIGURED: | |
953 | usbtty_configured_flag = 1; | |
954 | break; | |
955 | ||
956 | case DEVICE_ADDRESS_ASSIGNED: | |
f9da0f89 VK |
957 | #if defined(CONFIG_USBD_HS) |
958 | /* | |
959 | * is_usbd_high_speed routine needs to be defined by | |
960 | * specific gadget driver | |
472d5460 YS |
961 | * It returns true if device enumerates at High speed |
962 | * Retuns false otherwise | |
f9da0f89 VK |
963 | */ |
964 | for (i = 0; i < NUM_ENDPOINTS; i++) { | |
965 | if (((ep_descriptor_ptrs[i]->bmAttributes & | |
966 | USB_ENDPOINT_XFERTYPE_MASK) == | |
967 | USB_ENDPOINT_XFER_BULK) | |
968 | && is_usbd_high_speed()) { | |
969 | ||
970 | ep_descriptor_ptrs[i]->wMaxPacketSize = | |
971 | CONFIG_USBD_SERIAL_BULK_HS_PKTSIZE; | |
972 | } | |
973 | ||
974 | endpoint_instance[i + 1].tx_packetSize = | |
975 | ep_descriptor_ptrs[i]->wMaxPacketSize; | |
976 | endpoint_instance[i + 1].rcv_packetSize = | |
977 | ep_descriptor_ptrs[i]->wMaxPacketSize; | |
978 | } | |
979 | #endif | |
232c150a WD |
980 | usbtty_init_endpoints (); |
981 | ||
982 | default: | |
983 | break; | |
984 | } | |
985 | } | |
986 | ||
16c8d5e7 WD |
987 | /******************************************************************************/ |
988 | ||
989 | int usbtty_cdc_setup(struct usb_device_request *request, struct urb *urb) | |
990 | { | |
991 | switch (request->bRequest){ | |
232c150a | 992 | |
53677ef1 | 993 | case ACM_SET_CONTROL_LINE_STATE: /* Implies DTE ready */ |
16c8d5e7 | 994 | break; |
53677ef1 | 995 | case ACM_SEND_ENCAPSULATED_COMMAND : /* Required */ |
16c8d5e7 WD |
996 | break; |
997 | case ACM_SET_LINE_ENCODING : /* DTE stop/parity bits | |
386eda02 | 998 | * per character */ |
16c8d5e7 | 999 | break; |
53677ef1 | 1000 | case ACM_GET_ENCAPSULATED_RESPONSE : /* request response */ |
16c8d5e7 WD |
1001 | break; |
1002 | case ACM_GET_LINE_ENCODING : /* request DTE rate, | |
1003 | * stop/parity bits */ | |
1004 | memcpy (urb->buffer , &rs232_desc, sizeof(rs232_desc)); | |
1005 | urb->actual_length = sizeof(rs232_desc); | |
1006 | ||
1007 | break; | |
53677ef1 | 1008 | default: |
16c8d5e7 WD |
1009 | return 1; |
1010 | } | |
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | /******************************************************************************/ | |
232c150a WD |
1015 | |
1016 | /* | |
1017 | * Since interrupt handling has not yet been implemented, we use this function | |
1018 | * to handle polling. This is called by the tstc,getc,putc,puts routines to | |
1019 | * update the USB state. | |
1020 | */ | |
1021 | void usbtty_poll (void) | |
1022 | { | |
1023 | /* New interrupts? */ | |
16c8d5e7 | 1024 | udc_irq(); |
232c150a | 1025 | |
386eda02 WD |
1026 | /* Write any output data to host buffer |
1027 | * (do this before checking interrupts to avoid missing one) | |
16c8d5e7 | 1028 | */ |
232c150a WD |
1029 | if (usbtty_configured ()) { |
1030 | write_buffer (&usbtty_output); | |
1031 | } | |
1032 | ||
1033 | /* New interrupts? */ | |
16c8d5e7 | 1034 | udc_irq(); |
386eda02 WD |
1035 | |
1036 | /* Check for new data from host.. | |
1037 | * (do this after checking interrupts to get latest data) | |
16c8d5e7 | 1038 | */ |
232c150a WD |
1039 | if (usbtty_configured ()) { |
1040 | fill_buffer (&usbtty_input); | |
1041 | } | |
1042 | ||
1043 | /* New interrupts? */ | |
16c8d5e7 | 1044 | udc_irq(); |
232c150a | 1045 | |
232c150a | 1046 | } |