linux/drivers/staging/media/atomisp/pci/runtime/spctrl/src/spctrl.c

// 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 "hmm.h"

#include "ia_css_types.h"
#define __INLINE_SP__
#include "sp.h"

#include "assert_support.h"
#include "ia_css_spctrl.h"
#include "ia_css_debug.h"

struct spctrl_context_info { … };

static struct spctrl_context_info spctrl_cofig_info[N_SP_ID];
static bool spctrl_loaded[N_SP_ID] = …;

/* Load firmware */
int ia_css_spctrl_load_fw(sp_ID_t sp_id, ia_css_spctrl_cfg *spctrl_cfg)
{ … }

/* ISP2401 */
/* reload pre-loaded FW */
void sh_css_spctrl_reload_fw(sp_ID_t sp_id)
{ … }

ia_css_ptr get_sp_code_addr(sp_ID_t  sp_id)
{ … }

int ia_css_spctrl_unload_fw(sp_ID_t sp_id)
{ … }

/* Initialize dmem_cfg in SP dmem  and  start SP program*/
int ia_css_spctrl_start(sp_ID_t sp_id)
{ … }

/* Query the state of SP1 */
ia_css_spctrl_sp_sw_state ia_css_spctrl_get_state(sp_ID_t sp_id)
{ … }

int ia_css_spctrl_is_idle(sp_ID_t sp_id)
{ … }