| 1 | /*
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| 2 | * Copyright (c) 2010 Lenka Trochtova
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libdrv
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <ipc/ipc.h>
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| 36 | #include <async.h>
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| 37 | #include <errno.h>
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| 38 |
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| 39 | #include "driver.h"
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| 40 | #include "resource.h"
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| 41 |
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| 42 | static void remote_res_get_resources(device_t *, void *, ipc_callid_t,
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| 43 | ipc_call_t *);
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| 44 | static void remote_res_enable_interrupt(device_t *, void *, ipc_callid_t,
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| 45 | ipc_call_t *);
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| 46 |
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| 47 | static remote_iface_func_ptr_t remote_res_iface_ops [] = {
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| 48 | &remote_res_get_resources,
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| 49 | &remote_res_enable_interrupt
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| 50 | };
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| 51 |
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| 52 | remote_iface_t remote_res_iface = {
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| 53 | .method_count = sizeof(remote_res_iface_ops) /
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| 54 | sizeof(remote_iface_func_ptr_t),
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| 55 | .methods = remote_res_iface_ops
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| 56 | };
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| 57 |
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| 58 | static void remote_res_enable_interrupt(device_t *dev, void *iface,
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| 59 | ipc_callid_t callid, ipc_call_t *call)
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| 60 | {
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| 61 | resource_iface_t *ires = (resource_iface_t *) iface;
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| 62 |
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| 63 | if (NULL == ires->enable_interrupt)
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| 64 | ipc_answer_0(callid, ENOTSUP);
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| 65 | else if (ires->enable_interrupt(dev))
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| 66 | ipc_answer_0(callid, EOK);
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| 67 | else
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| 68 | ipc_answer_0(callid, EREFUSED);
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| 69 | }
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| 70 |
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| 71 | static void remote_res_get_resources(device_t *dev, void *iface,
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| 72 | ipc_callid_t callid, ipc_call_t *call)
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| 73 | {
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| 74 | resource_iface_t *ires = (resource_iface_t *) iface;
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| 75 | if (NULL == ires->get_resources) {
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| 76 | ipc_answer_0(callid, ENOTSUP);
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| 77 | return;
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| 78 | }
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| 79 |
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| 80 | hw_resource_list_t *hw_resources = ires->get_resources(dev);
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| 81 | if (NULL == hw_resources){
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| 82 | ipc_answer_0(callid, ENOENT);
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| 83 | return;
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| 84 | }
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| 85 |
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| 86 | ipc_answer_1(callid, EOK, hw_resources->count);
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| 87 |
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| 88 | size_t len;
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| 89 | if (!async_data_read_receive(&callid, &len)) {
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| 90 | /* protocol error - the recipient is not accepting data */
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| 91 | return;
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| 92 | }
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| 93 | async_data_read_finalize(callid, hw_resources->resources, len);
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| 94 | }
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| 95 |
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| 96 | /**
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| 97 | * @}
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| 98 | */
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