| 1 | /*
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| 2 | * Copyright (c) 2010 Vojtech Horky
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| 3 | * Copyright (c) 2011 Jan Vesely
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libdrv
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | */
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| 35 |
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| 36 | #include <async.h>
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| 37 | #include <assert.h>
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| 38 | #include <macros.h>
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| 39 | #include <errno.h>
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| 40 | #include <devman.h>
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| 41 |
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| 42 | #include "usb_iface.h"
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| 43 | #include "ddf/driver.h"
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| 44 |
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| 45 |
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| 46 | usb_dev_session_t *usb_dev_connect(devman_handle_t handle)
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| 47 | {
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| 48 | return devman_device_connect(handle, IPC_FLAG_BLOCKING);
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| 49 | }
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| 50 |
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| 51 | usb_dev_session_t *usb_dev_connect_to_self(ddf_dev_t *dev)
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| 52 | {
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| 53 | return devman_parent_device_connect(ddf_dev_get_handle(dev), IPC_FLAG_BLOCKING);
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| 54 | }
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| 55 |
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| 56 | void usb_dev_disconnect(usb_dev_session_t *sess)
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| 57 | {
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| 58 | if (sess)
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| 59 | async_hangup(sess);
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| 60 | }
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| 61 |
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| 62 | typedef enum {
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| 63 | IPC_M_USB_GET_MY_DESCRIPTION,
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| 64 | } usb_iface_funcs_t;
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| 65 |
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| 66 | /** Tell interface number given device can use.
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| 67 | * @param[in] exch IPC communication exchange
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| 68 | * @param[in] handle Id of the device
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| 69 | * @param[out] usb_iface Assigned USB interface
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| 70 | * @return Error code.
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| 71 | */
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| 72 | int usb_get_my_description(async_exch_t *exch, usb_device_desc_t *desc)
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| 73 | {
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| 74 | if (!exch)
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| 75 | return EBADMEM;
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| 76 |
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| 77 | usb_device_desc_t tmp_desc;
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| 78 |
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| 79 | const int ret = async_req_1_4(exch, DEV_IFACE_ID(USB_DEV_IFACE),
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| 80 | IPC_M_USB_GET_MY_DESCRIPTION,
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| 81 | (sysarg_t *) &tmp_desc.address,
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| 82 | (sysarg_t *) &tmp_desc.speed,
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| 83 | &tmp_desc.handle,
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| 84 | (sysarg_t *) &tmp_desc.iface);
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| 85 | if (ret == EOK && desc)
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| 86 | *desc = tmp_desc;
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| 87 | return ret;
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| 88 | }
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| 89 |
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| 90 | static void remote_usb_get_my_description(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
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| 91 |
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| 92 | /** Remote USB interface operations. */
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| 93 | static const remote_iface_func_ptr_t remote_usb_iface_ops [] = {
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| 94 | [IPC_M_USB_GET_MY_DESCRIPTION] = remote_usb_get_my_description,
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| 95 | };
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| 96 |
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| 97 | /** Remote USB interface structure.
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| 98 | */
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| 99 | const remote_iface_t remote_usb_iface = {
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| 100 | .method_count = ARRAY_SIZE(remote_usb_iface_ops),
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| 101 | .methods = remote_usb_iface_ops,
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| 102 | };
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| 103 |
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| 104 | void remote_usb_get_my_description(ddf_fun_t *fun, void *iface,
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| 105 | ipc_callid_t callid, ipc_call_t *call)
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| 106 | {
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| 107 | const usb_iface_t *usb_iface = (usb_iface_t *) iface;
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| 108 |
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| 109 | if (usb_iface->get_my_description == NULL) {
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| 110 | async_answer_0(callid, ENOTSUP);
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| 111 | return;
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| 112 | }
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| 113 |
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| 114 | usb_device_desc_t desc;
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| 115 | const int ret = usb_iface->get_my_description(fun, &desc);
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| 116 | if (ret != EOK) {
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| 117 | async_answer_0(callid, ret);
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| 118 | } else {
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| 119 | async_answer_4(callid, EOK,
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| 120 | (sysarg_t) desc.address,
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| 121 | (sysarg_t) desc.speed,
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| 122 | desc.handle,
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| 123 | desc.iface);
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| 124 | }
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| 125 | }
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| 126 |
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| 127 | /**
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| 128 | * @}
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| 129 | */
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