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Rev | Author | Line No. | Line |
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519 | mauro | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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9 | * Mauro Marinoni <mauro.marinoni@unipv.it> |
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10 | * (see the web pages for full authors list) |
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11 | * |
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12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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13 | * |
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14 | * http://www.sssup.it |
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15 | * http://retis.sssup.it |
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16 | * http://shark.sssup.it |
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17 | */ |
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18 | |||
522 | mauro | 19 | //#define __MOUSE_DEBUG__ 1 |
519 | mauro | 20 | |
21 | #include <kernel/kern.h> |
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22 | |||
23 | #include "../include/drivers/shark_input26.h" |
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24 | #include "../include/drivers/shark_spk26.h" |
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25 | |||
26 | /* Devices */ |
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27 | extern int pcspkr_init(void); |
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28 | extern int pcspkr_exit(void); |
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29 | |||
30 | /* Handlers */ |
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31 | extern int speaker_init(void); |
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32 | extern void speaker_exit(void); |
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33 | |||
34 | /* Functions */ |
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35 | extern void spk_mksound(unsigned int hz, unsigned int ticks); |
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36 | extern void spk_nosound(unsigned long ignored); |
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37 | |||
549 | mauro | 38 | static int speaker_installed; |
519 | mauro | 39 | |
40 | /* User Functions */ |
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41 | void speaker_sound(unsigned int hz, unsigned int ticks) |
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42 | { |
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43 | spk_mksound(hz, ticks); |
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44 | } |
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45 | |||
46 | void speaker_mute(void) |
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47 | { |
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48 | spk_nosound(0); |
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49 | } |
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50 | |||
51 | /* Init the Linux Speaker Driver */ |
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549 | mauro | 52 | int SPEAK26_installed() |
53 | { |
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54 | return speaker_installed; |
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55 | } |
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56 | |||
519 | mauro | 57 | int SPEAK26_init() |
58 | { |
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59 | int ret; |
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60 | |||
549 | mauro | 61 | if (speaker_installed == TRUE) return 0; |
62 | |||
63 | if (INPUT26_installed() == FALSE) |
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519 | mauro | 64 | if (INPUT26_init()) { |
65 | printk(KERN_ERR "Unable to open Input SubSystem.\n"); |
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66 | return -1; |
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67 | } |
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68 | |||
69 | ret = pcspkr_init(); |
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70 | if (ret) { |
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71 | printk(KERN_ERR "PcSpkr_Init return: %d\n", ret); |
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72 | return -1; |
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73 | } |
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74 | |||
75 | ret = speaker_init(); |
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76 | if (ret) { |
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77 | printk(KERN_ERR "Speaker_Init return: %d\n", ret); |
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78 | return -1; |
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79 | } |
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549 | mauro | 80 | |
81 | speaker_installed = TRUE; |
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82 | |||
519 | mauro | 83 | return 0; |
84 | } |
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85 | |||
86 | int SPEAK26_close() |
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87 | { |
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549 | mauro | 88 | if (!speaker_installed) |
89 | return -1; |
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90 | |||
519 | mauro | 91 | speaker_exit(); |
92 | pcspkr_exit(); |
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549 | mauro | 93 | |
94 | speaker_installed = TRUE; |
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95 | |||
519 | mauro | 96 | return 0; |
97 | } |
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98 |