projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a49d2536 AC |
1 | #ifndef ISP2401 |
| 2 | /* | |
| 3 | * Support for Intel Camera Imaging ISP subsystem. | |
| 4 | * Copyright (c) 2015, Intel Corporation. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify it | |
| 7 | * under the terms and conditions of the GNU General Public License, | |
| 8 | * version 2, as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 13 | * more details. | |
| 14 | */ | |
| 15 | #else | |
| d929fb4e | 16 | /* |
| a49d2536 AC |
17 | Support for Intel Camera Imaging ISP subsystem. |
| 18 | Copyright (c) 2010 - 2015, Intel Corporation. | |
| 19 | ||
| 20 | This program is free software; you can redistribute it and/or modify it | |
| 21 | under the terms and conditions of the GNU General Public License, | |
| 22 | version 2, as published by the Free Software Foundation. | |
| 23 | ||
| 24 | This program is distributed in the hope it will be useful, but WITHOUT | |
| 25 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 26 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 27 | more details. | |
| 28 | */ | |
| 29 | #endif | |
| 30 | ||
| 31 | #include "system_global.h" | |
| 32 | ||
| 33 | #ifdef USE_INPUT_SYSTEM_VERSION_2401 | |
| 34 | ||
| 35 | #include "assert_support.h" | |
| 36 | #include "platform_support.h" | |
| 37 | #include "ia_css_isys.h" | |
| 38 | #include "bitop_support.h" | |
| 39 | #include "isys_stream2mmio_rmgr.h" | |
| 40 | ||
| 41 | static isys_stream2mmio_rsrc_t isys_stream2mmio_rsrc[N_STREAM2MMIO_ID]; | |
| 42 | ||
| 43 | void ia_css_isys_stream2mmio_sid_rmgr_init(void) | |
| 44 | { | |
| 45 | memset(isys_stream2mmio_rsrc, 0, sizeof(isys_stream2mmio_rsrc)); | |
| 46 | } | |
| 47 | ||
| 48 | void ia_css_isys_stream2mmio_sid_rmgr_uninit(void) | |
| 49 | { | |
| 50 | memset(isys_stream2mmio_rsrc, 0, sizeof(isys_stream2mmio_rsrc)); | |
| 51 | } | |
| 52 | ||
| 53 | bool ia_css_isys_stream2mmio_sid_rmgr_acquire( | |
| 54 | stream2mmio_ID_t stream2mmio, | |
| 55 | stream2mmio_sid_ID_t *sid) | |
| 56 | { | |
| 57 | bool retval = false; | |
| 58 | stream2mmio_sid_ID_t max_sid; | |
| 59 | isys_stream2mmio_rsrc_t *cur_rsrc = NULL; | |
| 60 | stream2mmio_sid_ID_t i; | |
| 61 | ||
| 62 | assert(stream2mmio < N_STREAM2MMIO_ID); | |
| 63 | assert(sid != NULL); | |
| 64 | ||
| 65 | if ((stream2mmio < N_STREAM2MMIO_ID) && (sid != NULL)) { | |
| 66 | max_sid = N_STREAM2MMIO_SID_PROCS[stream2mmio]; | |
| 67 | cur_rsrc = &isys_stream2mmio_rsrc[stream2mmio]; | |
| 68 | ||
| 69 | if (cur_rsrc->num_active < max_sid) { | |
| 70 | for (i = STREAM2MMIO_SID0_ID; i < max_sid; i++) { | |
| 71 | if (bitop_getbit(cur_rsrc->active_table, i) == 0) { | |
| 72 | bitop_setbit(cur_rsrc->active_table, i); | |
| 73 | *sid = i; | |
| 74 | cur_rsrc->num_active++; | |
| 75 | retval = true; | |
| 76 | break; | |
| 77 | } | |
| 78 | } | |
| 79 | } | |
| 80 | } | |
| 81 | return retval; | |
| 82 | } | |
| 83 | ||
| 84 | void ia_css_isys_stream2mmio_sid_rmgr_release( | |
| 85 | stream2mmio_ID_t stream2mmio, | |
| 86 | stream2mmio_sid_ID_t *sid) | |
| 87 | { | |
| 88 | stream2mmio_sid_ID_t max_sid; | |
| 89 | isys_stream2mmio_rsrc_t *cur_rsrc = NULL; | |
| 90 | ||
| 91 | assert(stream2mmio < N_STREAM2MMIO_ID); | |
| 92 | assert(sid != NULL); | |
| 93 | ||
| 94 | if ((stream2mmio < N_STREAM2MMIO_ID) && (sid != NULL)) { | |
| 95 | max_sid = N_STREAM2MMIO_SID_PROCS[stream2mmio]; | |
| 96 | cur_rsrc = &isys_stream2mmio_rsrc[stream2mmio]; | |
| 97 | if ((*sid < max_sid) && (cur_rsrc->num_active > 0)) { | |
| 98 | if (bitop_getbit(cur_rsrc->active_table, *sid) == 1) { | |
| 99 | bitop_clearbit(cur_rsrc->active_table, *sid); | |
| 100 | cur_rsrc->num_active--; | |
| 101 | } | |
| 102 | } | |
| 103 | } | |
| 104 | } | |
| 105 | #endif |