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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Intel Smart Sound Technology4 *5 * Copyright (C) 2013, Intel Corporation6 */7 8#ifndef __SOUND_SOC_SST_DSP_PRIV_H9#define __SOUND_SOC_SST_DSP_PRIV_H10 11#include <linux/kernel.h>12#include <linux/types.h>13#include <linux/interrupt.h>14#include <linux/firmware.h>15 16#include "../skylake/skl-sst-dsp.h"17 18/*19 * DSP Operations exported by platform Audio DSP driver.20 */21struct sst_ops {22 /* Shim IO */23 void (*write)(void __iomem *addr, u32 offset, u32 value);24 u32 (*read)(void __iomem *addr, u32 offset);25 26 /* IRQ handlers */27 irqreturn_t (*irq_handler)(int irq, void *context);28 29 /* SST init and free */30 int (*init)(struct sst_dsp *sst);31 void (*free)(struct sst_dsp *sst);32};33 34/*35 * Audio DSP memory offsets and addresses.36 */37struct sst_addr {38 u32 sram0_base;39 u32 sram1_base;40 u32 w0_stat_sz;41 u32 w0_up_sz;42 void __iomem *lpe;43 void __iomem *shim;44};45 46/*47 * Audio DSP Mailbox configuration.48 */49struct sst_mailbox {50 void __iomem *in_base;51 void __iomem *out_base;52 size_t in_size;53 size_t out_size;54};55 56/*57 * Generic SST Shim Interface.58 */59struct sst_dsp {60 61 /* Shared for all platforms */62 63 /* runtime */64 struct sst_dsp_device *sst_dev;65 spinlock_t spinlock; /* IPC locking */66 struct mutex mutex; /* DSP FW lock */67 struct device *dev;68 void *thread_context;69 int irq;70 u32 id;71 72 /* operations */73 struct sst_ops *ops;74 75 /* debug FS */76 struct dentry *debugfs_root;77 78 /* base addresses */79 struct sst_addr addr;80 81 /* mailbox */82 struct sst_mailbox mailbox;83 84 /* SST FW files loaded and their modules */85 struct list_head module_list;86 87 /* SKL data */88 89 const char *fw_name;90 91 /* To allocate CL dma buffers */92 struct skl_dsp_loader_ops dsp_ops;93 struct skl_dsp_fw_ops fw_ops;94 int sst_state;95 struct skl_cl_dev cl_dev;96 u32 intr_status;97 const struct firmware *fw;98 struct snd_dma_buffer dmab;99};100 101#endif102