73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Samsung Exynos SoC series Pablo driver
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*
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* Copyright (c) 2021 Samsung Electronics Co., Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef IS_DEVICE_CAMIF_DMA_H
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#define IS_DEVICE_CAMIF_DMA_H
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#define WDMA_IRQ_NAME_LENGTH 16
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/* camera interface WDMA channel */
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struct is_camif_wdma_module;
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struct is_camif_wdma {
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struct device *dev;
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struct is_camif_dma_data *data;
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int index;
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void __iomem *regs_ctl;
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void __iomem *regs_vc[DMA_VIRTUAL_CH_MAX];
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void __iomem *regs_mux;
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int irq;
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char irq_name[WDMA_IRQ_NAME_LENGTH];
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struct is_camif_wdma_module *mod;
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int active_cnt;
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};
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/* camera interface WDMA module */
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struct is_camif_wdma_module {
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struct device *dev;
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struct is_camif_dma_data *data;
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int index;
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void __iomem *regs;
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unsigned long quirks;
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int num_of_chs;
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struct is_camif_wdma **chs;
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atomic_t active_cnt;
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spinlock_t slock;
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};
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struct is_camif_dma_data {
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unsigned int type;
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spinlock_t slock;
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char *alias_stem;
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int (*probe)(struct platform_device *pdev,
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struct is_camif_dma_data *data);
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int (*remove)(struct platform_device *pdev,
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struct is_camif_dma_data *data);
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};
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struct is_camif_wdma *is_camif_wdma_get(unsigned int wdma_ch_hint);
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int is_camif_wdma_put(struct is_camif_wdma *wdma);
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struct is_camif_wdma_module *is_camif_wdma_module_get(unsigned int wdma_ch);
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void is_camif_wdma_init(void);
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/* This quirks code is derived from sound/soc/samsung/abox/abox.c */
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#define IS_CAMIF_WDMA_MODULE_QUIRK_BIT_HAS_TEST_PATTERN_GEN BIT(1)
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#define IS_CAMIF_WDMA_MODULE_QUIRK_STR_HAS_TEST_PATTERN_GEN "has test pattern gen"
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static inline bool is_camif_wdma_module_test_quirk(struct is_camif_wdma_module *wm,
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unsigned long quirk)
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{
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return !!(wm->quirks & quirk);
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}
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#endif
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