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/* 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.
*/
#ifndef __IA_CSS_ISYS_H__
#define __IA_CSS_ISYS_H__
#include <type_support.h>
#include <input_system.h>
#include <ia_css_input_port.h>
#include <ia_css_stream_format.h>
#include <ia_css_stream_public.h>
#include <system_global.h>
#include "ia_css_isys_comm.h"
#ifdef ISP2401
/**
* Virtual Input System. (Input System 2401)
*/
typedef isp2401_input_system_cfg_t ia_css_isys_descr_t;
/* end of Virtual Input System */
#endif
input_system_err_t ia_css_isys_init(void);
void ia_css_isys_uninit(void);
enum mipi_port_id ia_css_isys_port_to_mipi_port(
enum mipi_port_id api_port);
#if defined(ISP2401)
/**
* @brief Register one (virtual) stream. This is used to track when all
* virtual streams are configured inside the input system. The CSI RX is
* only started when all registered streams are configured.
*
* @param[in] port CSI port
* @param[in] isys_stream_id Stream handle generated with ia_css_isys_generate_stream_id()
* Must be lower than SH_CSS_MAX_ISYS_CHANNEL_NODES
* @return 0 if successful, -EINVAL if
* there is already a stream registered with the same handle
*/
int ia_css_isys_csi_rx_register_stream(
enum mipi_port_id port,
uint32_t isys_stream_id);
/**
* @brief Unregister one (virtual) stream. This is used to track when all
* virtual streams are configured inside the input system. The CSI RX is
* only started when all registered streams are configured.
*
* @param[in] port CSI port
* @param[in] isys_stream_id Stream handle generated with ia_css_isys_generate_stream_id()
* Must be lower than SH_CSS_MAX_ISYS_CHANNEL_NODES
* @return 0 if successful, -EINVAL if
* there is no stream registered with that handle
*/
int ia_css_isys_csi_rx_unregister_stream(
enum mipi_port_id port,
uint32_t isys_stream_id);
int ia_css_isys_convert_compressed_format(
struct ia_css_csi2_compression *comp,
struct isp2401_input_system_cfg_s *cfg);
unsigned int ia_css_csi2_calculate_input_system_alignment(
enum atomisp_input_format fmt_type);
#endif
#if !defined(ISP2401)
/* CSS Receiver */
void ia_css_isys_rx_configure(
const rx_cfg_t *config,
const enum ia_css_input_mode input_mode);
void ia_css_isys_rx_disable(void);
void ia_css_isys_rx_enable_all_interrupts(enum mipi_port_id port);
unsigned int ia_css_isys_rx_get_interrupt_reg(enum mipi_port_id port);
void ia_css_isys_rx_get_irq_info(enum mipi_port_id port,
unsigned int *irq_infos);
void ia_css_isys_rx_clear_irq_info(enum mipi_port_id port,
unsigned int irq_infos);
unsigned int ia_css_isys_rx_translate_irq_infos(unsigned int bits);
#endif /* #if !defined(ISP2401) */
/* @brief Translate format and compression to format type.
*
* @param[in] input_format The input format.
* @param[in] compression The compression scheme.
* @param[out] fmt_type Pointer to the resulting format type.
* @return Error code.
*
* Translate an input format and mipi compression pair to the fmt_type.
* This is normally done by the sensor, but when using the input fifo, this
* format type must be sumitted correctly by the application.
*/
int ia_css_isys_convert_stream_format_to_mipi_format(
enum atomisp_input_format input_format,
mipi_predictor_t compression,
unsigned int *fmt_type);
#ifdef ISP2401
/**
* Virtual Input System. (Input System 2401)
*/
ia_css_isys_error_t ia_css_isys_stream_create(
ia_css_isys_descr_t *isys_stream_descr,
ia_css_isys_stream_h isys_stream,
uint32_t isys_stream_id);
void ia_css_isys_stream_destroy(
ia_css_isys_stream_h isys_stream);
ia_css_isys_error_t ia_css_isys_stream_calculate_cfg(
ia_css_isys_stream_h isys_stream,
ia_css_isys_descr_t *isys_stream_descr,
ia_css_isys_stream_cfg_t *isys_stream_cfg);
void ia_css_isys_csi_rx_lut_rmgr_init(void);
void ia_css_isys_csi_rx_lut_rmgr_uninit(void);
bool ia_css_isys_csi_rx_lut_rmgr_acquire(
csi_rx_backend_ID_t backend,
csi_mipi_packet_type_t packet_type,
csi_rx_backend_lut_entry_t *entry);
void ia_css_isys_csi_rx_lut_rmgr_release(
csi_rx_backend_ID_t backend,
csi_mipi_packet_type_t packet_type,
csi_rx_backend_lut_entry_t *entry);
void ia_css_isys_ibuf_rmgr_init(void);
void ia_css_isys_ibuf_rmgr_uninit(void);
bool ia_css_isys_ibuf_rmgr_acquire(
u32 size,
uint32_t *start_addr);
void ia_css_isys_ibuf_rmgr_release(
uint32_t *start_addr);
void ia_css_isys_dma_channel_rmgr_init(void);
void ia_css_isys_dma_channel_rmgr_uninit(void);
bool ia_css_isys_dma_channel_rmgr_acquire(
isys2401_dma_ID_t dma_id,
isys2401_dma_channel *channel);
void ia_css_isys_dma_channel_rmgr_release(
isys2401_dma_ID_t dma_id,
isys2401_dma_channel *channel);
void ia_css_isys_stream2mmio_sid_rmgr_init(void);
void ia_css_isys_stream2mmio_sid_rmgr_uninit(void);
bool ia_css_isys_stream2mmio_sid_rmgr_acquire(
stream2mmio_ID_t stream2mmio,
stream2mmio_sid_ID_t *sid);
void ia_css_isys_stream2mmio_sid_rmgr_release(
stream2mmio_ID_t stream2mmio,
stream2mmio_sid_ID_t *sid);
/* end of Virtual Input System */
#endif
#endif /* __IA_CSS_ISYS_H__ */
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