diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_dma_rmgr.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_dma_rmgr.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_dma_rmgr.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_dma_rmgr.c deleted file mode 100644 index 4def4a5..0000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_dma_rmgr.c +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef ISP2401 -/* - * Support for Intel Camera Imaging ISP subsystem. - * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - */ -#else -/* -Support for Intel Camera Imaging ISP subsystem. -Copyright (c) 2010 - 2015, Intel Corporation. - -This program is free software; you can redistribute it and/or modify it -under the terms and conditions of the GNU General Public License, -version 2, as published by the Free Software Foundation. - -This program is distributed in the hope it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -more details. -*/ -#endif - -#include "system_global.h" - -#ifdef USE_INPUT_SYSTEM_VERSION_2401 - -#include "assert_support.h" -#include "platform_support.h" -#include "ia_css_isys.h" -#include "bitop_support.h" -#include "isys_dma_rmgr.h" - -static isys_dma_rsrc_t isys_dma_rsrc[N_ISYS2401_DMA_ID]; - -void ia_css_isys_dma_channel_rmgr_init(void) -{ - memset(&isys_dma_rsrc, 0, sizeof(isys_dma_rsrc_t)); -} - -void ia_css_isys_dma_channel_rmgr_uninit(void) -{ - memset(&isys_dma_rsrc, 0, sizeof(isys_dma_rsrc_t)); -} - -bool ia_css_isys_dma_channel_rmgr_acquire( - isys2401_dma_ID_t dma_id, - isys2401_dma_channel *channel) -{ - bool retval = false; - isys2401_dma_channel i; - isys2401_dma_channel max_dma_channel; - isys_dma_rsrc_t *cur_rsrc = NULL; - - assert(dma_id < N_ISYS2401_DMA_ID); - assert(channel != NULL); - - max_dma_channel = N_ISYS2401_DMA_CHANNEL_PROCS[dma_id]; - cur_rsrc = &isys_dma_rsrc[dma_id]; - - if (cur_rsrc->num_active < max_dma_channel) { - for (i = ISYS2401_DMA_CHANNEL_0; i < N_ISYS2401_DMA_CHANNEL; i++) { - if (bitop_getbit(cur_rsrc->active_table, i) == 0) { - bitop_setbit(cur_rsrc->active_table, i); - *channel = i; - cur_rsrc->num_active++; - retval = true; - break; - } - } - } - - return retval; -} - -void ia_css_isys_dma_channel_rmgr_release( - isys2401_dma_ID_t dma_id, - isys2401_dma_channel *channel) -{ - isys2401_dma_channel max_dma_channel; - isys_dma_rsrc_t *cur_rsrc = NULL; - - assert(dma_id < N_ISYS2401_DMA_ID); - assert(channel != NULL); - - max_dma_channel = N_ISYS2401_DMA_CHANNEL_PROCS[dma_id]; - cur_rsrc = &isys_dma_rsrc[dma_id]; - - if ((*channel < max_dma_channel) && (cur_rsrc->num_active > 0)) { - if (bitop_getbit(cur_rsrc->active_table, *channel) == 1) { - bitop_clearbit(cur_rsrc->active_table, *channel); - cur_rsrc->num_active--; - } - } -} -#endif |