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Declare base structures, registers and extension routines for the catpt solution. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200929141247.8058-2-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2020 Intel Corporation. All rights reserved.
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*
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* Author: Cezary Rojewski <cezary.rojewski@intel.com>
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*/
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#ifndef __SND_SOC_INTEL_CATPT_CORE_H
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#define __SND_SOC_INTEL_CATPT_CORE_H
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#include <linux/dma/dw.h>
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#include "registers.h"
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struct catpt_dev;
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void catpt_sram_init(struct resource *sram, u32 start, u32 size);
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void catpt_sram_free(struct resource *sram);
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struct resource *
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catpt_request_region(struct resource *root, resource_size_t size);
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static inline bool catpt_resource_overlapping(struct resource *r1,
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struct resource *r2,
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struct resource *ret)
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{
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if (!resource_overlaps(r1, r2))
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return false;
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ret->start = max(r1->start, r2->start);
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ret->end = min(r1->end, r2->end);
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return true;
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}
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struct catpt_module_type {
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bool loaded;
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u32 entry_point;
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u32 persistent_size;
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u32 scratch_size;
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/* DRAM, initial module state */
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u32 state_offset;
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u32 state_size;
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struct list_head node;
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};
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struct catpt_spec {
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struct snd_soc_acpi_mach *machines;
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u8 core_id;
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u32 host_dram_offset;
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u32 host_iram_offset;
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u32 host_shim_offset;
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u32 host_dma_offset[CATPT_DMA_COUNT];
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u32 host_ssp_offset[CATPT_SSP_COUNT];
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u32 dram_mask;
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u32 iram_mask;
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void (*pll_shutdown)(struct catpt_dev *cdev, bool enable);
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int (*power_up)(struct catpt_dev *cdev);
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int (*power_down)(struct catpt_dev *cdev);
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};
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struct catpt_dev {
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struct device *dev;
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struct dw_dma_chip *dmac;
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void __iomem *pci_ba;
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void __iomem *lpe_ba;
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u32 lpe_base;
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int irq;
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const struct catpt_spec *spec;
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struct completion fw_ready;
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struct resource dram;
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struct resource iram;
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struct resource *scratch;
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};
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int catpt_dmac_probe(struct catpt_dev *cdev);
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void catpt_dmac_remove(struct catpt_dev *cdev);
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struct dma_chan *catpt_dma_request_config_chan(struct catpt_dev *cdev);
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int catpt_dma_memcpy_todsp(struct catpt_dev *cdev, struct dma_chan *chan,
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dma_addr_t dst_addr, dma_addr_t src_addr,
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size_t size);
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int catpt_dma_memcpy_fromdsp(struct catpt_dev *cdev, struct dma_chan *chan,
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dma_addr_t dst_addr, dma_addr_t src_addr,
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size_t size);
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#endif
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