// 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;
|
}
|
}
|