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| Rev | Author | Line No. | Line |
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| 664 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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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 | |||
| 1705 | cejka | 29 | /** @addtogroup sparc64interrupt |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 664 | jermar | 35 | #include <arch/interrupt.h> |
| 1849 | jermar | 36 | #include <arch/trap/interrupt.h> |
| 664 | jermar | 37 | #include <interrupt.h> |
| 1849 | jermar | 38 | #include <arch/drivers/fhc.h> |
| 1896 | jermar | 39 | #include <arch/drivers/kbd.h> |
| 1861 | jermar | 40 | #include <typedefs.h> |
| 747 | jermar | 41 | #include <arch/types.h> |
| 664 | jermar | 42 | #include <debug.h> |
| 1265 | jermar | 43 | #include <ipc/sysipc.h> |
| 1849 | jermar | 44 | #include <arch/asm.h> |
| 45 | #include <arch/barrier.h> |
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| 1875 | jermar | 46 | #include <print.h> |
| 1849 | jermar | 47 | #include <genarch/kbd/z8530.h> |
| 48 | |||
| 664 | jermar | 49 | /** Register Interrupt Level Handler. |
| 50 | * |
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| 51 | * @param n Interrupt Level (1 - 15). |
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| 52 | * @param name Short descriptive string. |
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| 53 | * @param f Handler. |
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| 54 | */ |
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| 55 | void interrupt_register(int n, const char *name, iroutine f) |
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| 56 | { |
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| 57 | ASSERT(n >= IVT_FIRST && n <= IVT_ITEMS); |
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| 58 | |||
| 59 | exc_register(n - 1, name, f); |
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| 60 | } |
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| 1265 | jermar | 61 | |
| 62 | /* Reregister irq to be IPC-ready */ |
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| 1780 | jermar | 63 | void irq_ipc_bind_arch(unative_t irq) |
| 1265 | jermar | 64 | { |
| 1875 | jermar | 65 | #ifdef CONFIG_Z8530 |
| 1896 | jermar | 66 | if (kbd_type == KBD_Z8530) |
| 67 | z8530_belongs_to_kernel = false; |
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| 1875 | jermar | 68 | #endif |
| 1265 | jermar | 69 | } |
| 1702 | cejka | 70 | |
| 1861 | jermar | 71 | void interrupt(int n, istate_t *istate) |
| 1849 | jermar | 72 | { |
| 73 | uint64_t intrcv; |
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| 74 | uint64_t data0; |
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| 75 | |||
| 76 | intrcv = asi_u64_read(ASI_INTR_RECEIVE, 0); |
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| 77 | data0 = asi_u64_read(ASI_UDB_INTR_R, ASI_UDB_INTR_R_DATA_0); |
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| 78 | |||
| 79 | switch (data0) { |
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| 80 | #ifdef CONFIG_Z8530 |
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| 81 | case Z8530_INTRCV_DATA0: |
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| 1896 | jermar | 82 | if (kbd_type != KBD_Z8530) |
| 83 | break; |
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| 1849 | jermar | 84 | /* |
| 85 | * So far, we know we got this interrupt through the FHC. |
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| 86 | * Since we don't have enough information about the FHC and |
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| 87 | * because the interrupt looks like level sensitive, |
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| 88 | * we cannot handle it by scheduling one of the level |
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| 89 | * interrupt traps. Call the interrupt handler directly. |
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| 90 | */ |
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| 1875 | jermar | 91 | |
| 92 | if (z8530_belongs_to_kernel) |
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| 93 | z8530_interrupt(); |
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| 94 | else |
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| 95 | ipc_irq_send_notif(0); |
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| 1849 | jermar | 96 | fhc_uart_reset(); |
| 97 | break; |
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| 1875 | jermar | 98 | |
| 1849 | jermar | 99 | #endif |
| 100 | } |
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| 101 | |||
| 102 | membar(); |
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| 103 | asi_u64_write(ASI_INTR_RECEIVE, 0, 0); |
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| 104 | } |
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| 105 | |||
| 1703 | jermar | 106 | /** @} |
| 1702 | cejka | 107 | */ |