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Rev | Author | Line No. | Line |
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982 | decky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Martin Decky |
982 | decky | 3 | * All rights reserved. |
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 | |||
4311 | decky | 29 | /** @addtogroup genarch |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
4311 | decky | 35 | #ifndef KERN_CUDA_H_ |
36 | #define KERN_CUDA_H_ |
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982 | decky | 37 | |
4311 | decky | 38 | #include <ddi/irq.h> |
1004 | decky | 39 | #include <arch/types.h> |
4311 | decky | 40 | #include <console/chardev.h> |
4610 | svoboda | 41 | #include <synch/spinlock.h> |
982 | decky | 42 | |
4311 | decky | 43 | typedef struct { |
4610 | svoboda | 44 | uint8_t b; |
45 | uint8_t pad0[0x1ff]; |
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46 | |||
47 | uint8_t a; |
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48 | uint8_t pad1[0x1ff]; |
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49 | |||
50 | uint8_t dirb; |
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51 | uint8_t pad2[0x1ff]; |
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52 | |||
53 | uint8_t dira; |
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54 | uint8_t pad3[0x1ff]; |
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55 | |||
56 | uint8_t t1cl; |
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57 | uint8_t pad4[0x1ff]; |
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58 | |||
59 | uint8_t t1ch; |
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60 | uint8_t pad5[0x1ff]; |
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61 | |||
62 | uint8_t t1ll; |
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63 | uint8_t pad6[0x1ff]; |
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64 | |||
65 | uint8_t t1lh; |
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66 | uint8_t pad7[0x1ff]; |
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67 | |||
68 | uint8_t t2cl; |
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69 | uint8_t pad8[0x1ff]; |
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70 | |||
71 | uint8_t t2ch; |
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72 | uint8_t pad9[0x1ff]; |
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73 | |||
74 | uint8_t sr; |
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75 | uint8_t pad10[0x1ff]; |
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76 | |||
77 | uint8_t acr; |
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78 | uint8_t pad11[0x1ff]; |
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79 | |||
80 | uint8_t pcr; |
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81 | uint8_t pad12[0x1ff]; |
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82 | |||
83 | uint8_t ifr; |
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84 | uint8_t pad13[0x1ff]; |
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85 | |||
86 | uint8_t ier; |
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87 | uint8_t pad14[0x1ff]; |
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88 | |||
89 | uint8_t anh; |
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90 | uint8_t pad15[0x1ff]; |
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4311 | decky | 91 | } cuda_t; |
990 | decky | 92 | |
4610 | svoboda | 93 | enum { |
94 | CUDA_RCV_BUF_SIZE = 5 |
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95 | }; |
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96 | |||
4626 | svoboda | 97 | enum cuda_xfer_state { |
98 | cx_listen, |
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99 | cx_receive, |
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4637 | svoboda | 100 | cx_rcv_end, |
101 | cx_send_start, |
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102 | cx_send |
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4626 | svoboda | 103 | }; |
104 | |||
4311 | decky | 105 | typedef struct { |
106 | irq_t irq; |
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107 | cuda_t *cuda; |
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108 | indev_t *kbrdin; |
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4610 | svoboda | 109 | uint8_t rcv_buf[CUDA_RCV_BUF_SIZE]; |
4637 | svoboda | 110 | uint8_t snd_buf[CUDA_RCV_BUF_SIZE]; |
4626 | svoboda | 111 | size_t bidx; |
4637 | svoboda | 112 | size_t snd_bytes; |
4626 | svoboda | 113 | enum cuda_xfer_state xstate; |
4610 | svoboda | 114 | SPINLOCK_DECLARE(dev_lock); |
4311 | decky | 115 | } cuda_instance_t; |
116 | |||
117 | extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *); |
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118 | extern void cuda_wire(cuda_instance_t *, indev_t *); |
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119 | |||
982 | decky | 120 | #endif |
1702 | cejka | 121 | |
1734 | decky | 122 | /** @} |
1702 | cejka | 123 | */ |