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/*
* drivers/amlogic/hifi4dsp/hifi4dsp_dsp.h
*
* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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 _HIFI4DSP_DSP_H
#define _HIFI4DSP_DSP_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/firmware.h>
#include <linux/irqreturn.h>
#include "hifi4dsp_firmware.h"
struct firmware;
struct hifi4dsp_pdata;
struct hifi4dsp_dsp;
/*
* DSP memory offsets and addresses.
*/
struct hifi4dsp_addr {
u32 smem_paddr;
u32 smem_size;
u32 reg_paddr;
u32 reg_size;
u32 fw_paddr;
u32 fw_size;
void __iomem *smem;
void __iomem *reg;
void __iomem *fw;
};
/*
* DSP Mailbox configuration.
*/
struct hifi4dsp_mailbox {
void __iomem *in_base;
void __iomem *out_base;
size_t in_size;
size_t out_size;
};
/*
* DSP Operations exported by platform Audio DSP driver.
*/
struct hifi4dsp_ops {
int (*boot)(struct hifi4dsp_dsp *);
int (*reset)(struct hifi4dsp_dsp *);
int (*wake)(struct hifi4dsp_dsp *);
int (*sleep)(struct hifi4dsp_dsp *);
/* Shim IO */
void (*write)(void __iomem *addr, u32 offset, u32 value);
u32 (*read)(void __iomem *addr, u32 offset);
/* DSP I/DRAM IO */
void (*ram_read)(struct hifi4dsp_dsp *dsp,
void *dest, void __iomem *src, size_t bytes);
void (*ram_write)(struct hifi4dsp_dsp *dsp,
void __iomem *dest, void *src, size_t bytes);
void (*write64)(void __iomem *addr, u32 offset, u64 value);
u64 (*read64)(void __iomem *addr, u32 offset);
void (*dump)(struct hifi4dsp_dsp *);
/* IRQ handlers */
irqreturn_t (*irq_handler)(int irq, void *context);
/* hifi4dsp init and free */
int (*init)(struct hifi4dsp_dsp *dsp, struct hifi4dsp_pdata *pdata);
void (*free)(struct hifi4dsp_dsp *dsp);
/* FW module parser/loader */
int (*parse_fw)(struct hifi4dsp_firmware *dsp_fw, void *pinfo);
};
/*
* hifi4dsp dsp device.
*/
struct hifi4dsp_dsp_device {
struct hifi4dsp_ops *ops;
irqreturn_t (*thread)(int irq, void *thread_context);
void *thread_context;
};
/*
* hifi4dsp Platform Data.
*/
struct hifi4dsp_pdata {
int id;
const char *name;
int irq;
unsigned int clk_freq;
phys_addr_t reg_paddr;
unsigned int reg_size;
void *reg;
/* Share memory */
phys_addr_t smem_paddr;
unsigned int smem_size;
/* Firmware */
char fw_name[32];
phys_addr_t fw_paddr; /*physical address of fw data*/
void *fw_buf;
int fw_size;
int fw_fmt;
int fw_max_size;
void *ops;
void *dsp; /*pointer to dsp*/
void *priv; /*pointer to priv*/
};
struct hifi4dsp_dsp {
u32 id;
int irq;
int freq;
/* runtime */
spinlock_t spinlock; /* used for IPC */
struct mutex mutex; /* used for fw */
struct device *dev;
struct device *dma_dev;
u32 major_id;
void *thread_context;
struct hifi4dsp_dsp_device *dsp_dev;
/* operations */
struct hifi4dsp_ops *ops;
/* base addresses */
struct hifi4dsp_addr addr;
/* mailbox */
struct hifi4dsp_mailbox mailbox;
/* platform data */
struct hifi4dsp_pdata *pdata;
/*fw support*/
struct hifi4dsp_firmware *dsp_fw;/*def fw*/
u32 fw_cnt;
spinlock_t fw_spinlock;
struct list_head fw_list;
u32 intr_status;
struct firmware *fw;
struct clk *dsp_clk;
struct clk *dsp_gate;
void *info;
void *priv;
};
/* Internal generic low-level hifi4dsp share memory write/read functions*/
extern void hifi4dsp_smem_write(void __iomem *addr, u32 offset, u32 value);
extern u32 hifi4dsp_smem_read(void __iomem *addr, u32 offset);
extern void hifi4dsp_smem_write64(void __iomem *addr, u32 offset, u64 value);
extern u64 hifi4dsp_smem_read64(void __iomem *addr, u32 offset);
extern void hifi4dsp_memcpy_toio_32(struct hifi4dsp_dsp *dsp,
void __iomem *dest, void *src, size_t bytes);
extern void hifi4dsp_memcpy_fromio_32(struct hifi4dsp_dsp *dsp,
void *dest, void __iomem *src, size_t bytes);
extern void hifi4dsp_dsp_smem_write(struct hifi4dsp_dsp *dsp,
u32 offset, u32 value);
extern u32 hifi4dsp_dsp_smem_read(struct hifi4dsp_dsp *dsp,
u32 offset);
extern void hifi4dsp_dsp_smem_write64(struct hifi4dsp_dsp *dsp,
u32 offset, u64 value);
extern u64 hifi4dsp_dsp_smem_read64(struct hifi4dsp_dsp *dsp,
u32 offset);
extern void hifi4dsp_dsp_smem_write_unlocked(struct hifi4dsp_dsp *dsp,
u32 offset, u32 value);
extern u32 hifi4dsp_dsp_smem_read_unlocked(struct hifi4dsp_dsp *dsp,
u32 offset);
extern void hifi4dsp_dsp_smem_write64_unlocked(struct hifi4dsp_dsp *dsp,
u32 offset, u64 value);
extern u64 hifi4dsp_dsp_smem_read64_unlocked(struct hifi4dsp_dsp *dsp,
u32 offset);
extern int hifi4dsp_dsp_smem_update_bits_unlocked(
struct hifi4dsp_dsp *dsp, u32 offset, u32 mask, u32 value);
extern void hifi4dsp_dsp_smem_update_bits_forced_unlocked(
struct hifi4dsp_dsp *dsp, u32 offset, u32 mask, u32 value);
extern int hifi4dsp_dsp_smem_update_bits64_unlocked(
struct hifi4dsp_dsp *dsp, u32 offset, u64 mask, u64 value);
extern int hifi4dsp_dsp_smem_update_bits(struct hifi4dsp_dsp *dsp,
u32 offset, u32 mask, u32 value);
extern void hifi4dsp_dsp_smem_update_bits_forced(struct hifi4dsp_dsp *dsp,
u32 offset, u32 mask, u32 value);
extern int hifi4dsp_dsp_smem_update_bits64(struct hifi4dsp_dsp *dsp,
u32 offset, u64 mask, u64 value);
extern int hifi4dsp_dsp_mailbox_init(struct hifi4dsp_dsp *dsp,
u32 outbox_offset, size_t outbox_size,
u32 inbox_offset, size_t inbox_size);
extern void hifi4dsp_dsp_mailbox_outbox_write(struct hifi4dsp_dsp *dsp,
void *message, size_t bytes);
extern void hifi4dsp_dsp_mailbox_outbox_read(struct hifi4dsp_dsp *dsp,
void *message, size_t bytes);
extern void hifi4dsp_dsp_mailbox_inbox_write(struct hifi4dsp_dsp *dsp,
void *message, size_t bytes);
extern void hifi4dsp_dsp_mailbox_inbox_read(struct hifi4dsp_dsp *dsp,
void *message, size_t bytes);
extern int hifi4dsp_dsp_boot(struct hifi4dsp_dsp *dsp);
extern void hifi4dsp_dsp_reset(struct hifi4dsp_dsp *dsp);
extern void hifi4dsp_dsp_sleep(struct hifi4dsp_dsp *dsp);
extern int hifi4dsp_dsp_wake(struct hifi4dsp_dsp *dsp);
extern void hifi4dsp_dsp_dump(struct hifi4dsp_dsp *dsp);
//extern struct hifi4dsp_dsp * hifi4dsp_dsp_new(struct hifi4dsp_priv *priv,
// struct hifi4dsp_pdata *pdata, struct hifi4dsp_ops *ops);
extern struct hifi4dsp_dsp *hifi4dsp_dsp_new(struct hifi4dsp_priv *priv,
struct hifi4dsp_pdata *pdata, struct hifi4dsp_dsp_device *dsp_dev);
#endif /*_HIFI4DSP_DSP_H*/
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