// 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 "input_system.h"
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#include "ia_css_isys.h"
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#include "platform_support.h"
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#ifdef ISP2401
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#include "isys_dma_public.h" /* isys2401_dma_set_max_burst_size() */
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#include "isys_irq.h"
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#endif
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#if !defined(ISP2401)
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input_system_err_t ia_css_isys_init(void)
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{
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backend_channel_cfg_t backend_ch0;
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backend_channel_cfg_t backend_ch1;
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target_cfg2400_t targetB;
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target_cfg2400_t targetC;
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u32 acq_mem_region_size = 24;
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u32 acq_nof_mem_regions = 2;
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input_system_err_t error = INPUT_SYSTEM_ERR_NO_ERROR;
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memset(&backend_ch0, 0, sizeof(backend_channel_cfg_t));
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memset(&backend_ch1, 0, sizeof(backend_channel_cfg_t));
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memset(&targetB, 0, sizeof(targetB));
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memset(&targetC, 0, sizeof(targetC));
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error = input_system_configuration_reset();
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if (error != INPUT_SYSTEM_ERR_NO_ERROR)
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return error;
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error = input_system_csi_xmem_channel_cfg(
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0, /*ch_id */
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INPUT_SYSTEM_PORT_A, /*port */
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backend_ch0, /*backend_ch */
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32, /*mem_region_size */
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6, /*nof_mem_regions */
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acq_mem_region_size, /*acq_mem_region_size */
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acq_nof_mem_regions, /*acq_nof_mem_regions */
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targetB, /*target */
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3); /*nof_xmem_buffers */
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if (error != INPUT_SYSTEM_ERR_NO_ERROR)
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return error;
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error = input_system_csi_xmem_channel_cfg(
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1, /*ch_id */
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INPUT_SYSTEM_PORT_B, /*port */
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backend_ch0, /*backend_ch */
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16, /*mem_region_size */
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3, /*nof_mem_regions */
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acq_mem_region_size, /*acq_mem_region_size */
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acq_nof_mem_regions, /*acq_nof_mem_regions */
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targetB, /*target */
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3); /*nof_xmem_buffers */
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if (error != INPUT_SYSTEM_ERR_NO_ERROR)
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return error;
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error = input_system_csi_xmem_channel_cfg(
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2, /*ch_id */
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INPUT_SYSTEM_PORT_C, /*port */
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backend_ch1, /*backend_ch */
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32, /*mem_region_size */
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3, /*nof_mem_regions */
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acq_mem_region_size, /*acq_mem_region_size */
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acq_nof_mem_regions, /*acq_nof_mem_regions */
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targetC, /*target */
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2); /*nof_xmem_buffers */
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if (error != INPUT_SYSTEM_ERR_NO_ERROR)
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return error;
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error = input_system_configuration_commit();
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return error;
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}
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#elif defined(ISP2401)
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input_system_err_t ia_css_isys_init(void)
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{
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ia_css_isys_csi_rx_lut_rmgr_init();
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ia_css_isys_ibuf_rmgr_init();
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ia_css_isys_dma_channel_rmgr_init();
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ia_css_isys_stream2mmio_sid_rmgr_init();
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isys2401_dma_set_max_burst_size(ISYS2401_DMA0_ID,
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1 /* Non Burst DMA transactions */);
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/* Enable 2401 input system IRQ status for driver to retrieve */
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isys_irqc_status_enable(ISYS_IRQ0_ID);
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isys_irqc_status_enable(ISYS_IRQ1_ID);
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isys_irqc_status_enable(ISYS_IRQ2_ID);
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return INPUT_SYSTEM_ERR_NO_ERROR;
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}
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#endif
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#if !defined(ISP2401)
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void ia_css_isys_uninit(void)
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{
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}
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#elif defined(ISP2401)
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void ia_css_isys_uninit(void)
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{
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ia_css_isys_csi_rx_lut_rmgr_uninit();
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ia_css_isys_ibuf_rmgr_uninit();
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ia_css_isys_dma_channel_rmgr_uninit();
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ia_css_isys_stream2mmio_sid_rmgr_uninit();
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}
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#endif
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