source: mainline/uspace/drv/uhci-hcd/iface.c@ 7e62b62

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7e62b62 was 7e62b62, checked in by Jan Vesely <jano.vesely@…>, 14 years ago

Use trackers for interrupt transfers
  • Property mode set to 100644
File size: 7.5 KB
Line 
1/*
2 * Copyright (c) 2011 Vojtech Horky, Jan Vesely
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/** @addtogroup usb
29 * @{
30 */
31/** @file
32 * @brief UHCI driver
33 */
34#include <driver.h>
35#include <remote_usbhc.h>
36
37#include <usb/debug.h>
38
39#include <errno.h>
40
41#include "iface.h"
42#include "uhci.h"
43
44static int get_address(device_t *dev, devman_handle_t handle,
45 usb_address_t *address)
46{
47 assert(dev);
48 uhci_t *hc = dev_to_uhci(dev);
49 assert(hc);
50 *address = usb_address_keeping_find(&hc->address_manager, handle);
51 if (*address <= 0)
52 return *address;
53 return EOK;
54}
55/*----------------------------------------------------------------------------*/
56static int reserve_default_address(device_t *dev)
57{
58 assert(dev);
59 uhci_t *hc = dev_to_uhci(dev);
60 assert(hc);
61 usb_address_keeping_reserve_default(&hc->address_manager);
62 return EOK;
63}
64/*----------------------------------------------------------------------------*/
65static int release_default_address(device_t *dev)
66{
67 assert(dev);
68 uhci_t *hc = dev_to_uhci(dev);
69 assert(hc);
70 usb_address_keeping_release_default(&hc->address_manager);
71 return EOK;
72}
73/*----------------------------------------------------------------------------*/
74static int request_address(device_t *dev, usb_address_t *address)
75{
76 assert(dev);
77 uhci_t *hc = dev_to_uhci(dev);
78 assert(hc);
79 *address = usb_address_keeping_request(&hc->address_manager);
80 if (*address <= 0)
81 return *address;
82 return EOK;
83}
84/*----------------------------------------------------------------------------*/
85static int bind_address(
86 device_t *dev, usb_address_t address, devman_handle_t handle)
87{
88 assert(dev);
89 uhci_t *hc = dev_to_uhci(dev);
90 assert(hc);
91 usb_address_keeping_devman_bind(&hc->address_manager, address, handle);
92 return EOK;
93}
94/*----------------------------------------------------------------------------*/
95static int release_address(device_t *dev, usb_address_t address)
96{
97 assert(dev);
98 uhci_t *hc = dev_to_uhci(dev);
99 assert(hc);
100 usb_address_keeping_release_default(&hc->address_manager);
101 return EOK;
102}
103/*----------------------------------------------------------------------------*/
104static int interrupt_out(device_t *dev, usb_target_t target,
105 void *data, size_t size,
106 usbhc_iface_transfer_out_callback_t callback, void *arg)
107{
108 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_INTERRUPT,
109 size, FULL_SPEED, data, size, NULL, callback, arg);
110 if (!tracker)
111 return ENOMEM;
112 tracker_control_read_data_old(tracker);
113 return EOK;
114}
115/*----------------------------------------------------------------------------*/
116static int interrupt_in(device_t *dev, usb_target_t target,
117 void *data, size_t size,
118 usbhc_iface_transfer_in_callback_t callback, void *arg)
119{
120 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_INTERRUPT,
121 size, FULL_SPEED, data, size, callback, NULL, arg);
122 if (!tracker)
123 return ENOMEM;
124 tracker_control_read_data_old(tracker);
125 return EOK;
126}
127/*----------------------------------------------------------------------------*/
128static int control_write_setup(device_t *dev, usb_target_t target,
129 void *data, size_t size,
130 usbhc_iface_transfer_out_callback_t callback, void *arg)
131{
132 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
133 8, FULL_SPEED, data, size, NULL, callback, arg);
134 if (!tracker)
135 return ENOMEM;
136 tracker_control_setup_old(tracker);
137 return EOK;
138}
139/*----------------------------------------------------------------------------*/
140static int control_write_data(device_t *dev, usb_target_t target,
141 void *data, size_t size,
142 usbhc_iface_transfer_out_callback_t callback, void *arg)
143{
144 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
145 size, FULL_SPEED, data, size, NULL, callback, arg);
146 if (!tracker)
147 return ENOMEM;
148 tracker_control_write_data_old(tracker);
149 return EOK;
150}
151/*----------------------------------------------------------------------------*/
152static int control_write_status(device_t *dev, usb_target_t target,
153 usbhc_iface_transfer_in_callback_t callback, void *arg)
154{
155 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
156 0, FULL_SPEED, NULL, 0, callback, NULL, arg);
157 if (!tracker)
158 return ENOMEM;
159 tracker_control_write_status_old(tracker);
160 return EOK;
161}
162/*----------------------------------------------------------------------------*/
163static int control_read_setup(device_t *dev, usb_target_t target,
164 void *data, size_t size,
165 usbhc_iface_transfer_out_callback_t callback, void *arg)
166{
167 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
168 8, FULL_SPEED, data, size, NULL, callback, arg);
169 if (!tracker)
170 return ENOMEM;
171 tracker_control_setup_old(tracker);
172 return EOK;
173}
174/*----------------------------------------------------------------------------*/
175static int control_read_data(device_t *dev, usb_target_t target,
176 void *data, size_t size,
177 usbhc_iface_transfer_in_callback_t callback, void *arg)
178{
179 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
180 size, FULL_SPEED, data, size, callback, NULL, arg);
181 if (!tracker)
182 return ENOMEM;
183 tracker_control_read_data_old(tracker);
184 return EOK;
185}
186/*----------------------------------------------------------------------------*/
187static int control_read_status(device_t *dev, usb_target_t target,
188 usbhc_iface_transfer_out_callback_t callback, void *arg)
189{
190 tracker_t *tracker = tracker_get(dev, target, USB_TRANSFER_CONTROL,
191 0, FULL_SPEED, NULL, 0, NULL, callback, arg);
192 if (!tracker)
193 return ENOMEM;
194 tracker_control_read_status_old(tracker);
195 return EOK;
196}
197/*----------------------------------------------------------------------------*/
198usbhc_iface_t uhci_iface = {
199 .tell_address = get_address,
200
201 .reserve_default_address = reserve_default_address,
202 .release_default_address = release_default_address,
203 .request_address = request_address,
204 .bind_address = bind_address,
205 .release_address = release_address,
206
207 .interrupt_out = interrupt_out,
208 .interrupt_in = interrupt_in,
209
210 .control_write_setup = control_write_setup,
211 .control_write_data = control_write_data,
212 .control_write_status = control_write_status,
213
214 .control_read_setup = control_read_setup,
215 .control_read_data = control_read_data,
216 .control_read_status = control_read_status
217};
218/**
219 * @}
220 */
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