path: root/sound/soc/sof/sof-priv.h

/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/*
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * Copyright(c) 2018 Intel Corporation
 *
 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
 */

#ifndef __SOUND_SOC_SOF_PRIV_H
#define __SOUND_SOC_SOF_PRIV_H

#include <linux/device.h>
#include <sound/hdaudio.h>
#include <sound/sof.h>
#include <sound/sof/info.h>
#include <sound/sof/pm.h>
#include <sound/sof/trace.h>
#include <uapi/sound/sof/fw.h>
#include <sound/sof/ext_manifest.h>

struct snd_sof_pcm_stream;

/* Flag definitions used in sof_core_debug (sof_debug module parameter) */
#define SOF_DBG_ENABLE_TRACE	BIT(0)
#define SOF_DBG_RETAIN_CTX	BIT(1)	/* prevent DSP D3 on FW exception */
#define SOF_DBG_VERIFY_TPLG	BIT(2) /* verify topology during load */
#define SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE	BIT(3) /* 0: use topology token
							* 1: override topology
							*/
#define SOF_DBG_DYNAMIC_PIPELINES_ENABLE	BIT(4) /* 0: use static pipelines
							* 1: use dynamic pipelines
							*/
#define SOF_DBG_DISABLE_MULTICORE		BIT(5) /* schedule all pipelines/widgets
							* on primary core
							*/
#define SOF_DBG_PRINT_ALL_DUMPS		BIT(6) /* Print all ipc and dsp dumps */
#define SOF_DBG_IGNORE_D3_PERSISTENT		BIT(7) /* ignore the DSP D3 persistent capability
							* and always download firmware upon D3 exit
							*/
#define SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS	BIT(8) /* print DMA position updates
							* in dmesg logs
							*/
#define SOF_DBG_PRINT_IPC_SUCCESS_LOGS		BIT(9) /* print IPC success
							* in dmesg logs
							*/
#define SOF_DBG_FORCE_NOCODEC			BIT(10) /* ignore all codec-related
							 * configurations
							 */
#define SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD	BIT(11) /* On top of the IPC message header
							 * dump the message payload also
							 */
#define SOF_DBG_DSPLESS_MODE			BIT(15) /* Do not initialize and use the DSP */

/* Flag definitions used for controlling the DSP dump behavior */
#define SOF_DBG_DUMP_REGS		BIT(0)
#define SOF_DBG_DUMP_MBOX		BIT(1)
#define SOF_DBG_DUMP_TEXT		BIT(2)
#define SOF_DBG_DUMP_PCI		BIT(3)
/* Output this dump (at the DEBUG level) only when SOF_DBG_PRINT_ALL_DUMPS is set */
#define SOF_DBG_DUMP_OPTIONAL		BIT(4)

/* global debug state set by SOF_DBG_ flags */
bool sof_debug_check_flag(int mask);

/* max BARs mmaped devices can use */
#define SND_SOF_BARS	8

/* time in ms for runtime suspend delay */
#define SND_SOF_SUSPEND_DELAY_MS	2000

/* DMA buffer size for trace */
#define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)

#define SOF_IPC_DSP_REPLY		0
#define SOF_IPC_HOST_REPLY		1

/* convenience constructor for DAI driver streams */
#define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
	{.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
	 .rates = srates, .formats = sfmt}

#define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
	SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)

/* So far the primary core on all DSPs has ID 0 */
#define SOF_DSP_PRIMARY_CORE 0

/* max number of DSP cores */
#define SOF_MAX_DSP_NUM_CORES 8

struct sof_dsp_power_state {
	u32 state;
	u32 substate; /* platform-specific */
};

/* System suspend target state */
enum sof_system_suspend_state {
	SOF_SUSPEND_NONE = 0,
	SOF_SUSPEND_S0IX,
	SOF_SUSPEND_S3,
	SOF_SUSPEND_S4,
	SOF_SUSPEND_S5,
};

enum sof_dfsentry_type {
	SOF_DFSENTRY_TYPE_IOMEM = 0,
	SOF_DFSENTRY_TYPE_BUF,
};

enum sof_debugfs_access_type {
	SOF_DEBUGFS_ACCESS_ALWAYS = 0,
	SOF_DEBUGFS_ACCESS_D0_ONLY,
};

struct sof_compr_stream {
	u64 copied_total;
	u32 sampling_rate;
	u16 channels;
	u16 sample_container_bytes;
	size_t posn_offset;
};

struct snd_sof_dev;
struct snd_sof_ipc_msg;
struct snd_sof_ipc;
struct snd_sof_debugfs_map;
struct snd_soc_tplg_ops;
struct snd_soc_component;
struct snd_sof_pdata;

/**
 * struct snd_sof_platform_stream_params - platform dependent stream parameters
 * @phy_addr:		Platform dependent address to be used, if  @use_phy_addr
 *			is true
 * @stream_tag:		Stream tag to use
 * @use_phy_addr:	Use the provided @phy_addr for configuration
 * @no_ipc_position:	Disable position update IPC from firmware
 * @cont_update_posn:	Continuous position update.
 */
struct snd_sof_platform_stream_params {
	u32 phy_addr;
	u16 stream_tag;
	bool use_phy_address;
	bool no_ipc_position;
	bool cont_update_posn;
};

/**
 * struct sof_firmware - Container struct for SOF firmware
 * @fw:			Pointer to the firmware
 * @payload_offset:	Offset of the data within the loaded firmware image to be
 *			loaded to the DSP (skipping for example ext_manifest section)
 */
struct sof_firmware {
	const struct firmware *fw;
	u32 payload_offset;
};

enum sof_dai_access {
	SOF_DAI_DSP_ACCESS,	/* access from DSP only */
	SOF_DAI_HOST_ACCESS,	/* access from host only */

	SOF_DAI_ACCESS_NUM
};

/*
 * SOF DSP HW abstraction operations.
 * Used to abstract DSP HW architecture and any IO busses between host CPU
 * and DSP device(s).
 */
struct snd_sof_dsp_ops {

	/* probe/remove/shutdown */
	int (*probe_early)(struct snd_sof_dev *sof_dev); /* optional */
	int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
	void (*remove)(struct snd_sof_dev *sof_dev); /* optional */
	void (*remove_late)(struct snd_sof_dev *sof_dev); /* optional */
	int (*shutdown)(struct snd_sof_dev *sof_dev); /* optional */

	/* DSP core boot / reset */
	int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
	int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */
	int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
	int (*core_get)(struct snd_sof_dev *sof_dev, int core); /* optional */
	int (*core_put)(struct snd_sof_dev *sof_dev, int core); /* optional */

	/*
	 * Register IO: only used by respective drivers themselves,
	 * TODO: consider removing these operations and calling respective
	 * implementations directly
	 */
	void (*write8)(struct snd_sof_dev *sof_dev, void __iomem *addr,
		       u8 value); /* optional */
	u8 (*read8)(struct snd_sof_dev *sof_dev,
		    void __iomem *addr); /* optional */
	void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
		      u32 value); /* optional */
	u32 (*read)(struct snd_sof_dev *sof_dev,
		    void __iomem *addr); /* optional */
	void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
			u64 value); /* optional */
	u64 (*read64)(struct snd_sof_dev *sof_dev,
		      void __iomem *addr); /* optional */

	/* memcpy IO */
	int (*block_read)(struct snd_sof_dev *sof_dev,
			  enum snd_sof_fw_blk_type type, u32 offset,
			  void *dest, size_t size); /* mandatory */
	int (*block_write)(struct snd_sof_dev *sof_dev,
			   enum snd_sof_fw_blk_type type, u32 offset,
			   void *src, size_t size); /* mandatory */

	/* Mailbox IO */
	void (*mailbox_read)(struct snd_sof_dev *sof_dev,
			     u32 offset, void *dest,
			     size_t size); /* optional */
	void (*mailbox_write)(struct snd_sof_dev *sof_dev,
			      u32 offset, void *src,
			      size_t size); /* optional */

	/* doorbell */
	irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
	irqreturn_t (*irq_thread)(int irq, void *context); /* optional */

	/* ipc */
	int (*send_msg)(struct snd_sof_dev *sof_dev,
			struct snd_sof_ipc_msg *msg); /* mandatory */

	/* FW loading */
	int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
	int (*load_module)(struct snd_sof_dev *sof_dev,
			   struct snd_sof_mod_hdr *hdr); /* optional */

	/* connect pcm substream to a host stream */
	int (*pcm_open)(struct snd_sof_dev *sdev,
			struct snd_pcm_substream *substream); /* optional */
	/* disconnect pcm substream to a host stream */
	int (*pcm_close)(struct snd_sof_dev *sdev,
			 struct snd_pcm_substream *substream); /* optional */

	/* host stream hw params */
	int (*pcm_hw_params)(struct snd_sof_dev *sdev,
			     struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params,
			     struct snd_sof_platform_stream_params *platform_params); /* optional */

	/* host stream hw_free */
	int (*pcm_hw_free)(struct snd_sof_dev *sdev,
			   struct snd_pcm_substream *substream); /* optional */

	/* host stream trigger */
	int (*pcm_trigger)(struct snd_sof_dev *sdev,
			   struct snd_pcm_substream *substream,
			   int cmd); /* optional */