// SPDX-License-Identifier: GPL-2.0
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2010 - 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include "sh_css_sp.h"
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#include "dma.h" /* N_DMA_CHANNEL_ID */
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#include <type_support.h>
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#include "ia_css_binary.h"
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#include "sh_css_hrt.h"
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#include "sh_css_defs.h"
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#include "sh_css_internal.h"
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#include "ia_css_debug.h"
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#include "ia_css_debug_internal.h"
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#include "sh_css_legacy.h"
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#include "gdc_device.h" /* HRT_GDC_N */
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/*#include "sp.h"*/ /* host2sp_enqueue_frame_data() */
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#include "assert_support.h"
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#include "ia_css_queue.h" /* host_sp_enqueue_XXX */
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#include "ia_css_event.h" /* ia_css_event_encode */
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/*
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* @brief Encode the information into the software-event.
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* Refer to "sw_event_public.h" for details.
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*/
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bool ia_css_event_encode(
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u8 *in,
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u8 nr,
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uint32_t *out)
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{
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bool ret;
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u32 nr_of_bits;
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u32 i;
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assert(in);
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assert(out);
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OP___assert(nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT);
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/* initialize the output */
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*out = 0;
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/* get the number of bits per information */
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nr_of_bits = sizeof(uint32_t) * 8 / nr;
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/* compress the all inputs into a signle output */
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for (i = 0; i < nr; i++) {
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*out <<= nr_of_bits;
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*out |= in[i];
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}
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/* get the return value */
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ret = (nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT);
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return ret;
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}
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void ia_css_event_decode(
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u32 event,
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uint8_t *payload)
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{
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assert(payload[1] == 0);
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assert(payload[2] == 0);
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assert(payload[3] == 0);
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ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
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"ia_css_event_decode() enter:\n");
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/* First decode according to the common case
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* In case of a PORT_EOF event we overwrite with
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* the specific values
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* This is somewhat ugly but probably somewhat efficient
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* (and it avoids some code duplication)
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*/
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payload[0] = event & 0xff; /*event_code */
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payload[1] = (event >> 8) & 0xff;
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payload[2] = (event >> 16) & 0xff;
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payload[3] = 0;
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switch (payload[0]) {
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case SH_CSS_SP_EVENT_PORT_EOF:
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payload[2] = 0;
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payload[3] = (event >> 24) & 0xff;
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break;
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case SH_CSS_SP_EVENT_ACC_STAGE_COMPLETE:
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case SH_CSS_SP_EVENT_TIMER:
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case SH_CSS_SP_EVENT_FRAME_TAGGED:
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case SH_CSS_SP_EVENT_FW_WARNING:
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case SH_CSS_SP_EVENT_FW_ASSERT:
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payload[3] = (event >> 24) & 0xff;
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break;
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default:
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break;
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}
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}
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