source: mainline/uspace/lib/drv/generic/remote_usbhc.c@ c09ad29e

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since c09ad29e was bbce2c2, checked in by Jan Vesely <jano.vesely@…>, 14 years ago

usb: Remove unused iface functions, rename DATA_READ/DATA_WRITE ⇒ READ/WRITE
  • Property mode set to 100644
File size: 10.5 KB
Line 
1/*
2 * Copyright (c) 2010-2011 Vojtech Horky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libdrv
30 * @{
31 */
32/** @file
33 */
34
35#include <async.h>
36#include <errno.h>
37#include <assert.h>
38
39#include "usbhc_iface.h"
40#include "ddf/driver.h"
41
42#define USB_MAX_PAYLOAD_SIZE 1020
43
44static void remote_usbhc_request_address(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
45static void remote_usbhc_bind_address(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
46static void remote_usbhc_find_by_address(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
47static void remote_usbhc_release_address(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
48static void remote_usbhc_register_endpoint(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
49static void remote_usbhc_unregister_endpoint(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
50static void remote_usbhc_read(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
51static void remote_usbhc_write(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
52//static void remote_usbhc(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
53
54/** Remote USB host controller interface operations. */
55static remote_iface_func_ptr_t remote_usbhc_iface_ops[] = {
56 [IPC_M_USBHC_REQUEST_ADDRESS] = remote_usbhc_request_address,
57 [IPC_M_USBHC_BIND_ADDRESS] = remote_usbhc_bind_address,
58 [IPC_M_USBHC_GET_HANDLE_BY_ADDRESS] = remote_usbhc_find_by_address,
59 [IPC_M_USBHC_RELEASE_ADDRESS] = remote_usbhc_release_address,
60
61 [IPC_M_USBHC_REGISTER_ENDPOINT] = remote_usbhc_register_endpoint,
62 [IPC_M_USBHC_UNREGISTER_ENDPOINT] = remote_usbhc_unregister_endpoint,
63
64 [IPC_M_USBHC_READ] = remote_usbhc_read,
65 [IPC_M_USBHC_WRITE] = remote_usbhc_write,
66};
67
68/** Remote USB host controller interface structure.
69 */
70remote_iface_t remote_usbhc_iface = {
71 .method_count = sizeof(remote_usbhc_iface_ops) /
72 sizeof(remote_usbhc_iface_ops[0]),
73 .methods = remote_usbhc_iface_ops
74};
75
76typedef struct {
77 ipc_callid_t caller;
78 ipc_callid_t data_caller;
79 void *buffer;
80 size_t size;
81} async_transaction_t;
82
83static void async_transaction_destroy(async_transaction_t *trans)
84{
85 if (trans == NULL) {
86 return;
87 }
88 if (trans->buffer != NULL) {
89 free(trans->buffer);
90 }
91
92 free(trans);
93}
94
95static async_transaction_t *async_transaction_create(ipc_callid_t caller)
96{
97 async_transaction_t *trans = malloc(sizeof(async_transaction_t));
98 if (trans == NULL) {
99 return NULL;
100 }
101
102 trans->caller = caller;
103 trans->data_caller = 0;
104 trans->buffer = NULL;
105 trans->size = 0;
106
107 return trans;
108}
109
110void remote_usbhc_request_address(ddf_fun_t *fun, void *iface,
111 ipc_callid_t callid, ipc_call_t *call)
112{
113 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
114
115 if (!usb_iface->request_address) {
116 async_answer_0(callid, ENOTSUP);
117 return;
118 }
119
120 usb_speed_t speed = DEV_IPC_GET_ARG1(*call);
121
122 usb_address_t address;
123 int rc = usb_iface->request_address(fun, speed, &address);
124 if (rc != EOK) {
125 async_answer_0(callid, rc);
126 } else {
127 async_answer_1(callid, EOK, (sysarg_t) address);
128 }
129}
130
131void remote_usbhc_bind_address(ddf_fun_t *fun, void *iface,
132 ipc_callid_t callid, ipc_call_t *call)
133{
134 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
135
136 if (!usb_iface->bind_address) {
137 async_answer_0(callid, ENOTSUP);
138 return;
139 }
140
141 usb_address_t address = (usb_address_t) DEV_IPC_GET_ARG1(*call);
142 devman_handle_t handle = (devman_handle_t) DEV_IPC_GET_ARG2(*call);
143
144 int rc = usb_iface->bind_address(fun, address, handle);
145
146 async_answer_0(callid, rc);
147}
148
149void remote_usbhc_find_by_address(ddf_fun_t *fun, void *iface,
150 ipc_callid_t callid, ipc_call_t *call)
151{
152 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
153
154 if (!usb_iface->find_by_address) {
155 async_answer_0(callid, ENOTSUP);
156 return;
157 }
158
159 usb_address_t address = (usb_address_t) DEV_IPC_GET_ARG1(*call);
160 devman_handle_t handle;
161 int rc = usb_iface->find_by_address(fun, address, &handle);
162
163 if (rc == EOK) {
164 async_answer_1(callid, EOK, handle);
165 } else {
166 async_answer_0(callid, rc);
167 }
168}
169
170void remote_usbhc_release_address(ddf_fun_t *fun, void *iface,
171 ipc_callid_t callid, ipc_call_t *call)
172{
173 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
174
175 if (!usb_iface->release_address) {
176 async_answer_0(callid, ENOTSUP);
177 return;
178 }
179
180 usb_address_t address = (usb_address_t) DEV_IPC_GET_ARG1(*call);
181
182 int rc = usb_iface->release_address(fun, address);
183
184 async_answer_0(callid, rc);
185}
186
187
188static void callback_out(ddf_fun_t *fun,
189 int outcome, void *arg)
190{
191 async_transaction_t *trans = (async_transaction_t *)arg;
192
193 async_answer_0(trans->caller, outcome);
194
195 async_transaction_destroy(trans);
196}
197
198static void callback_in(ddf_fun_t *fun,
199 int outcome, size_t actual_size, void *arg)
200{
201 async_transaction_t *trans = (async_transaction_t *)arg;
202
203 if (outcome != EOK) {
204 async_answer_0(trans->caller, outcome);
205 if (trans->data_caller) {
206 async_answer_0(trans->data_caller, EINTR);
207 }
208 async_transaction_destroy(trans);
209 return;
210 }
211
212 trans->size = actual_size;
213
214 if (trans->data_caller) {
215 async_data_read_finalize(trans->data_caller,
216 trans->buffer, actual_size);
217 }
218
219 async_answer_0(trans->caller, EOK);
220
221 async_transaction_destroy(trans);
222}
223
224void remote_usbhc_register_endpoint(ddf_fun_t *fun, void *iface,
225 ipc_callid_t callid, ipc_call_t *call)
226{
227 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
228
229 if (!usb_iface->register_endpoint) {
230 async_answer_0(callid, ENOTSUP);
231 return;
232 }
233
234#define _INIT_FROM_HIGH_DATA2(type, var, arg_no) \
235 type var = (type) DEV_IPC_GET_ARG##arg_no(*call) / (1 << 16)
236#define _INIT_FROM_LOW_DATA2(type, var, arg_no) \
237 type var = (type) DEV_IPC_GET_ARG##arg_no(*call) % (1 << 16)
238#define _INIT_FROM_HIGH_DATA3(type, var, arg_no) \
239 type var = (type) DEV_IPC_GET_ARG##arg_no(*call) / (1 << 16)
240#define _INIT_FROM_MIDDLE_DATA3(type, var, arg_no) \
241 type var = (type) (DEV_IPC_GET_ARG##arg_no(*call) / (1 << 8)) % (1 << 8)
242#define _INIT_FROM_LOW_DATA3(type, var, arg_no) \
243 type var = (type) DEV_IPC_GET_ARG##arg_no(*call) % (1 << 8)
244
245 const usb_target_t target = { .packed = DEV_IPC_GET_ARG1(*call) };
246
247 _INIT_FROM_HIGH_DATA3(usb_speed_t, speed, 2);
248 _INIT_FROM_MIDDLE_DATA3(usb_transfer_type_t, transfer_type, 2);
249 _INIT_FROM_LOW_DATA3(usb_direction_t, direction, 2);
250
251 _INIT_FROM_HIGH_DATA2(size_t, max_packet_size, 3);
252 _INIT_FROM_LOW_DATA2(unsigned int, interval, 3);
253
254#undef _INIT_FROM_HIGH_DATA2
255#undef _INIT_FROM_LOW_DATA2
256#undef _INIT_FROM_HIGH_DATA3
257#undef _INIT_FROM_MIDDLE_DATA3
258#undef _INIT_FROM_LOW_DATA3
259
260 int rc = usb_iface->register_endpoint(fun, target.address, speed,
261 target.endpoint, transfer_type, direction, max_packet_size, interval);
262
263 async_answer_0(callid, rc);
264}
265
266void remote_usbhc_unregister_endpoint(ddf_fun_t *fun, void *iface,
267 ipc_callid_t callid, ipc_call_t *call)
268{
269 usbhc_iface_t *usb_iface = (usbhc_iface_t *) iface;
270
271 if (!usb_iface->unregister_endpoint) {
272 async_answer_0(callid, ENOTSUP);
273 return;
274 }
275
276 usb_address_t address = (usb_address_t) DEV_IPC_GET_ARG1(*call);
277 usb_endpoint_t endpoint = (usb_endpoint_t) DEV_IPC_GET_ARG2(*call);
278 usb_direction_t direction = (usb_direction_t) DEV_IPC_GET_ARG3(*call);
279
280 int rc = usb_iface->unregister_endpoint(fun,
281 address, endpoint, direction);
282
283 async_answer_0(callid, rc);
284}
285
286void remote_usbhc_read(
287 ddf_fun_t *fun, void *iface, ipc_callid_t callid, ipc_call_t *call)
288{
289 assert(fun);
290 assert(iface);
291 assert(call);
292
293 const usbhc_iface_t *hc_iface = iface;
294
295 if (!hc_iface->read) {
296 async_answer_0(callid, ENOTSUP);
297 return;
298 }
299
300 const usb_target_t target = { .packed = DEV_IPC_GET_ARG1(*call) };
301 const uint64_t setup =
302 ((uint64_t)DEV_IPC_GET_ARG2(*call)) |
303 (((uint64_t)DEV_IPC_GET_ARG3(*call)) << 32);
304
305 async_transaction_t *trans = async_transaction_create(callid);
306 if (trans == NULL) {
307 async_answer_0(callid, ENOMEM);
308 return;
309 }
310
311 if (!async_data_read_receive(&trans->data_caller, &trans->size)) {
312 async_answer_0(callid, EPARTY);
313 return;
314 }
315
316 trans->buffer = malloc(trans->size);
317 if (trans->buffer == NULL) {
318 async_answer_0(trans->data_caller, ENOMEM);
319 async_answer_0(callid, ENOMEM);
320 async_transaction_destroy(trans);
321 }
322
323 const int rc = hc_iface->read(
324 fun, target, setup, trans->buffer, trans->size, callback_in, trans);
325
326 if (rc != EOK) {
327 async_answer_0(trans->data_caller, rc);
328 async_answer_0(callid, rc);
329 async_transaction_destroy(trans);
330 }
331}
332
333void remote_usbhc_write(
334 ddf_fun_t *fun, void *iface, ipc_callid_t callid, ipc_call_t *call)
335{
336 assert(fun);
337 assert(iface);
338 assert(call);
339
340 const usbhc_iface_t *hc_iface = iface;
341
342 if (!hc_iface->write) {
343 async_answer_0(callid, ENOTSUP);
344 return;
345 }
346
347 const usb_target_t target = { .packed = DEV_IPC_GET_ARG1(*call) };
348 const size_t data_buffer_len = DEV_IPC_GET_ARG2(*call);
349 const uint64_t setup =
350 ((uint64_t)DEV_IPC_GET_ARG3(*call)) |
351 (((uint64_t)DEV_IPC_GET_ARG4(*call)) << 32);
352
353 async_transaction_t *trans = async_transaction_create(callid);
354 if (trans == NULL) {
355 async_answer_0(callid, ENOMEM);
356 return;
357 }
358
359 if (data_buffer_len > 0) {
360 int rc = async_data_write_accept(&trans->buffer, false,
361 1, USB_MAX_PAYLOAD_SIZE,
362 0, &trans->size);
363
364 if (rc != EOK) {
365 async_answer_0(callid, rc);
366 async_transaction_destroy(trans);
367 return;
368 }
369 }
370
371 int rc = hc_iface->write(
372 fun, target, setup, trans->buffer, trans->size, callback_out, trans);
373
374 if (rc != EOK) {
375 async_answer_0(callid, rc);
376 async_transaction_destroy(trans);
377 }
378}
379
380
381/**
382 * @}
383 */
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