| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * 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. |
| */ |
| |
| #include "sh_css_sp.h" |
| |
| #include "dma.h" /* N_DMA_CHANNEL_ID */ |
| |
| #include <type_support.h> |
| #include "ia_css_binary.h" |
| #include "sh_css_hrt.h" |
| #include "sh_css_defs.h" |
| #include "sh_css_internal.h" |
| #include "ia_css_debug.h" |
| #include "ia_css_debug_internal.h" |
| #include "sh_css_legacy.h" |
| |
| #include "gdc_device.h" /* HRT_GDC_N */ |
| |
| /*#include "sp.h"*/ /* host2sp_enqueue_frame_data() */ |
| |
| #include "assert_support.h" |
| |
| #include "ia_css_queue.h" /* host_sp_enqueue_XXX */ |
| #include "ia_css_event.h" /* ia_css_event_encode */ |
| /* |
| * @brief Encode the information into the software-event. |
| * Refer to "sw_event_public.h" for details. |
| */ |
| bool ia_css_event_encode( |
| u8 *in, |
| u8 nr, |
| uint32_t *out) |
| { |
| bool ret; |
| u32 nr_of_bits; |
| u32 i; |
| |
| assert(in); |
| assert(out); |
| OP___assert(nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT); |
| |
| /* initialize the output */ |
| *out = 0; |
| |
| /* get the number of bits per information */ |
| nr_of_bits = sizeof(uint32_t) * 8 / nr; |
| |
| /* compress the all inputs into a signle output */ |
| for (i = 0; i < nr; i++) { |
| *out <<= nr_of_bits; |
| *out |= in[i]; |
| } |
| |
| /* get the return value */ |
| ret = (nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT); |
| |
| return ret; |
| } |
| |
| void ia_css_event_decode( |
| u32 event, |
| uint8_t *payload) |
| { |
| assert(payload[1] == 0); |
| assert(payload[2] == 0); |
| assert(payload[3] == 0); |
| |
| ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, |
| "ia_css_event_decode() enter:\n"); |
| |
| /* First decode according to the common case |
| * In case of a PORT_EOF event we overwrite with |
| * the specific values |
| * This is somewhat ugly but probably somewhat efficient |
| * (and it avoids some code duplication) |
| */ |
| payload[0] = event & 0xff; /*event_code */ |
| payload[1] = (event >> 8) & 0xff; |
| payload[2] = (event >> 16) & 0xff; |
| payload[3] = 0; |
| |
| switch (payload[0]) { |
| case SH_CSS_SP_EVENT_PORT_EOF: |
| payload[2] = 0; |
| payload[3] = (event >> 24) & 0xff; |
| break; |
| |
| case SH_CSS_SP_EVENT_ACC_STAGE_COMPLETE: |
| case SH_CSS_SP_EVENT_TIMER: |
| case SH_CSS_SP_EVENT_FRAME_TAGGED: |
| case SH_CSS_SP_EVENT_FW_WARNING: |
| case SH_CSS_SP_EVENT_FW_ASSERT: |
| payload[3] = (event >> 24) & 0xff; |
| break; |
| default: |
| break; |
| } |
| } |