| 1 | /*
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| 2 | * Copyright (c) 2014 Martin Decky
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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 <async.h>
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| 36 | #include <errno.h>
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| 37 | #include <io/pixel.h>
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| 38 | #include <macros.h>
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| 39 | #include <device/led_dev.h>
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| 40 | #include <ops/led_dev.h>
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| 41 | #include <ddf/driver.h>
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| 42 |
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| 43 | static void remote_led_color_set(ddf_fun_t *, void *, cap_call_handle_t,
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| 44 | ipc_call_t *);
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| 45 |
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| 46 | /** Remote LED interface operations */
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| 47 | static const remote_iface_func_ptr_t remote_led_dev_iface_ops[] = {
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| 48 | [LED_DEV_COLOR_SET] = remote_led_color_set
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| 49 | };
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| 50 |
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| 51 | /** Remote LED interface structure
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| 52 | *
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| 53 | * Interface for processing requests from remote clients
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| 54 | * addressed by the LED interface.
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| 55 | *
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| 56 | */
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| 57 | const remote_iface_t remote_led_dev_iface = {
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| 58 | .method_count = ARRAY_SIZE(remote_led_dev_iface_ops),
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| 59 | .methods = remote_led_dev_iface_ops
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| 60 | };
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| 61 |
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| 62 | /** Process the color_set() request from the remote client
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| 63 | *
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| 64 | * @param fun The function to which the data are written
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| 65 | * @param ops The local ops structure
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| 66 | *
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| 67 | */
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| 68 | static void remote_led_color_set(ddf_fun_t *fun, void *ops, cap_call_handle_t chandle,
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| 69 | ipc_call_t *call)
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| 70 | {
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| 71 | led_dev_ops_t *led_dev_ops = (led_dev_ops_t *) ops;
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| 72 | pixel_t color = DEV_IPC_GET_ARG1(*call);
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| 73 |
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| 74 | if (!led_dev_ops->color_set) {
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| 75 | async_answer_0(chandle, ENOTSUP);
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| 76 | return;
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| 77 | }
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| 78 |
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| 79 | errno_t rc = (*led_dev_ops->color_set)(fun, color);
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| 80 | async_answer_0(chandle, rc);
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * @}
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| 85 | */
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