diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/ibuf_ctrl_rmgr.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/ibuf_ctrl_rmgr.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/ibuf_ctrl_rmgr.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/ibuf_ctrl_rmgr.c deleted file mode 100644 index d8c3b75d7fac..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/ibuf_ctrl_rmgr.c +++ /dev/null @@ -1,140 +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 "ibuf_ctrl_rmgr.h" - -static ibuf_rsrc_t ibuf_rsrc; - -static ibuf_handle_t *getHandle(uint16_t index) -{ - ibuf_handle_t *handle = NULL; - - if (index < MAX_IBUF_HANDLES) - handle = &ibuf_rsrc.handles[index]; - return handle; -} - -void ia_css_isys_ibuf_rmgr_init(void) -{ - memset(&ibuf_rsrc, 0, sizeof(ibuf_rsrc)); - ibuf_rsrc.free_size = MAX_INPUT_BUFFER_SIZE; -} - -void ia_css_isys_ibuf_rmgr_uninit(void) -{ - memset(&ibuf_rsrc, 0, sizeof(ibuf_rsrc)); - ibuf_rsrc.free_size = MAX_INPUT_BUFFER_SIZE; -} - -bool ia_css_isys_ibuf_rmgr_acquire( - uint32_t size, - uint32_t *start_addr) -{ - bool retval = false; - bool input_buffer_found = false; - uint32_t aligned_size; - ibuf_handle_t *handle = NULL; - uint16_t i; - - assert(start_addr != NULL); - assert(size > 0); - - aligned_size = (size + (IBUF_ALIGN - 1)) & ~(IBUF_ALIGN - 1); - - /* Check if there is an available un-used handle with the size - * that will fulfill the request. - */ - if (ibuf_rsrc.num_active < ibuf_rsrc.num_allocated) { - for (i = 0; i < ibuf_rsrc.num_allocated; i++) { - handle = getHandle(i); - if (!handle->active) { - if (handle->size >= aligned_size) { - handle->active = true; - input_buffer_found = true; - ibuf_rsrc.num_active++; - break; - } - } - } - } - - if (!input_buffer_found) { - /* There were no available handles that fulfilled the - * request. Allocate a new handle with the requested size. - */ - if ((ibuf_rsrc.num_allocated < MAX_IBUF_HANDLES) && - (ibuf_rsrc.free_size >= aligned_size)) { - handle = getHandle(ibuf_rsrc.num_allocated); - handle->start_addr = ibuf_rsrc.free_start_addr; - handle->size = aligned_size; - handle->active = true; - - ibuf_rsrc.free_start_addr += aligned_size; - ibuf_rsrc.free_size -= aligned_size; - ibuf_rsrc.num_active++; - ibuf_rsrc.num_allocated++; - - input_buffer_found = true; - } - } - - if (input_buffer_found && handle) { - *start_addr = handle->start_addr; - retval = true; - } - - return retval; -} - -void ia_css_isys_ibuf_rmgr_release( - uint32_t *start_addr) -{ - uint16_t i; - ibuf_handle_t *handle = NULL; - - assert(start_addr != NULL); - - for (i = 0; i < ibuf_rsrc.num_allocated; i++) { - handle = getHandle(i); - if (handle->active && handle->start_addr == *start_addr) { - handle->active = false; - ibuf_rsrc.num_active--; - break; - } - } -} -#endif |