linux/sound/soc/intel/avs/avs.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright(c) 2021-2022 Intel Corporation
 *
 * Authors: Cezary Rojewski <[email protected]>
 *          Amadeusz Slawinski <[email protected]>
 */

#ifndef __SOUND_SOC_INTEL_AVS_H
#define __SOUND_SOC_INTEL_AVS_H

#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/kfifo.h>
#include <sound/hda_codec.h>
#include <sound/hda_register.h>
#include <sound/soc-component.h>
#include "messages.h"
#include "registers.h"

struct avs_dev;
struct avs_tplg;
struct avs_tplg_library;
struct avs_soc_component;
struct avs_ipc_msg;

#ifdef CONFIG_ACPI
#define AVS_S0IX_SUPPORTED
#else
#define AVS_S0IX_SUPPORTED
#endif

/*
 * struct avs_dsp_ops - Platform-specific DSP operations
 *
 * @power: Power on or off DSP cores
 * @reset: Enter or exit reset state on DSP cores
 * @stall: Stall or run DSP cores
 * @irq_handler: Top half of IPC servicing
 * @irq_thread: Bottom half of IPC servicing
 * @int_control: Enable or disable IPC interrupts
 */
struct avs_dsp_ops {};

#define avs_dsp_op(adev, op, ...)

extern const struct avs_dsp_ops avs_skl_dsp_ops;
extern const struct avs_dsp_ops avs_apl_dsp_ops;
extern const struct avs_dsp_ops avs_cnl_dsp_ops;
extern const struct avs_dsp_ops avs_icl_dsp_ops;
extern const struct avs_dsp_ops avs_tgl_dsp_ops;

#define AVS_PLATATTR_CLDMA
#define AVS_PLATATTR_IMR

#define avs_platattr_test(adev, attr)

struct avs_sram_spec {};

struct avs_hipc_spec {};

/* Platform specific descriptor */
struct avs_spec {};

struct avs_fw_entry {};

/*
 * struct avs_dev - Intel HD-Audio driver data
 *
 * @dev: PCI device
 * @dsp_ba: DSP bar address
 * @spec: platform-specific descriptor
 * @fw_cfg: Firmware configuration, obtained through FW_CONFIG message
 * @hw_cfg: Hardware configuration, obtained through HW_CONFIG message
 * @mods_info: Available module-types, obtained through MODULES_INFO message
 * @mod_idas: Module instance ID pool, one per module-type
 * @modres_mutex: For synchronizing any @mods_info updates
 * @ppl_ida: Pipeline instance ID pool
 * @fw_list: List of libraries loaded, including base firmware
 */
struct avs_dev {};

/* from hda_bus to avs_dev */
#define hda_to_avs(hda)
/* from hdac_bus to avs_dev */
#define hdac_to_avs(hdac)
/* from device to avs_dev */
#define to_avs_dev(dev)

int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power);
int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset);
int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall);
int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask);
int avs_dsp_core_disable(struct avs_dev *adev, u32 core_mask);

/* Inter Process Communication */

struct avs_ipc_msg {};

/*
 * struct avs_ipc - DSP IPC context
 *
 * @dev: PCI device
 * @rx: Reply message cache
 * @default_timeout_ms: default message timeout in MS
 * @ready: whether firmware is ready and communication is open
 * @rx_completed: whether RX for previously sent TX has been received
 * @rx_lock: for serializing manipulation of rx_* fields
 * @msg_lock: for synchronizing request handling
 * @done_completion: DONE-part of IPC i.e. ROM and ACKs from FW
 * @busy_completion: BUSY-part of IPC i.e. receiving responses from FW
 */
struct avs_ipc {};

#define AVS_EIPC
/*
 * IPC handlers may return positive value (firmware error code) what denotes
 * successful HOST <-> DSP communication yet failure to process specific request.
 *
 * Below macro converts returned value to linux kernel error code.
 * All IPC callers MUST use it as soon as firmware error code is consumed.
 */
#define AVS_IPC_RET(ret)

void avs_dsp_process_response(struct avs_dev *adev, u64 header);
int avs_dsp_send_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request,
			     struct avs_ipc_msg *reply, int timeout, const char *name);
int avs_dsp_send_msg(struct avs_dev *adev, struct avs_ipc_msg *request,
		     struct avs_ipc_msg *reply, const char *name);
/* Two variants below are for messages that control DSP power states. */
int avs_dsp_send_pm_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request,
				struct avs_ipc_msg *reply, int timeout, bool wake_d0i0,
				const char *name);
int avs_dsp_send_pm_msg(struct avs_dev *adev, struct avs_ipc_msg *request,
			struct avs_ipc_msg *reply, bool wake_d0i0, const char *name);
int avs_dsp_send_rom_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request, int timeout,
				 const char *name);
int avs_dsp_send_rom_msg(struct avs_dev *adev, struct avs_ipc_msg *request, const char *name);
void avs_dsp_interrupt_control(struct avs_dev *adev, bool enable);
int avs_ipc_init(struct avs_ipc *ipc, struct device *dev);
void avs_ipc_block(struct avs_ipc *ipc);

int avs_dsp_disable_d0ix(struct avs_dev *adev);
int avs_dsp_enable_d0ix(struct avs_dev *adev);

void avs_skl_ipc_interrupt(struct avs_dev *adev);
irqreturn_t avs_cnl_dsp_interrupt(struct avs_dev *adev);
int avs_apl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 aging_period,
			u32 fifo_full_period, unsigned long resource_mask, u32 *priorities);
int avs_icl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 aging_period,
			u32 fifo_full_period, unsigned long resource_mask, u32 *priorities);
int avs_skl_log_buffer_offset(struct avs_dev *adev, u32 core);
int avs_icl_log_buffer_offset(struct avs_dev *adev, u32 core);
int avs_apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg);
int avs_apl_coredump(struct avs_dev *adev, union avs_notify_msg *msg);
bool avs_apl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake);
bool avs_icl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake);
int avs_apl_set_d0ix(struct avs_dev *adev, bool enable);
int avs_icl_set_d0ix(struct avs_dev *adev, bool enable);

/* Firmware resources management */

int avs_get_module_entry(struct avs_dev *adev, const guid_t *uuid, struct avs_module_entry *entry);
int avs_get_module_id_entry(struct avs_dev *adev, u32 module_id, struct avs_module_entry *entry);
int avs_get_module_id(struct avs_dev *adev, const guid_t *uuid);
bool avs_is_module_ida_empty(struct avs_dev *adev, u32 module_id);

int avs_module_info_init(struct avs_dev *adev, bool purge);
void avs_module_info_free(struct avs_dev *adev);
int avs_module_id_alloc(struct avs_dev *adev, u16 module_id);
void avs_module_id_free(struct avs_dev *adev, u16 module_id, u8 instance_id);
int avs_request_firmware(struct avs_dev *adev, const struct firmware **fw_p, const char *name);
void avs_release_last_firmware(struct avs_dev *adev);
void avs_release_firmwares(struct avs_dev *adev);

int avs_dsp_init_module(struct avs_dev *adev, u16 module_id, u8 ppl_instance_id,
			u8 core_id, u8 domain, void *param, u32 param_size,
			u8 *instance_id);
void avs_dsp_delete_module(struct avs_dev *adev, u16 module_id, u8 instance_id,
			   u8 ppl_instance_id, u8 core_id);
int avs_dsp_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,
			    bool lp, u16 attributes, u8 *instance_id);
int avs_dsp_delete_pipeline(struct avs_dev *adev, u8 instance_id);

/* Firmware loading */

void avs_hda_clock_gating_enable(struct avs_dev *adev, bool enable);
void avs_hda_power_gating_enable(struct avs_dev *adev, bool enable);
void avs_hda_l1sen_enable(struct avs_dev *adev, bool enable);

int avs_dsp_load_libraries(struct avs_dev *adev, struct avs_tplg_library *libs, u32 num_libs);
int avs_dsp_boot_firmware(struct avs_dev *adev, bool purge);
int avs_dsp_first_boot_firmware(struct avs_dev *adev);

int avs_cldma_load_basefw(struct avs_dev *adev, struct firmware *fw);
int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
int avs_cldma_transfer_modules(struct avs_dev *adev, bool load,
			       struct avs_module_entry *mods, u32 num_mods);
int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw);
int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
int avs_hda_transfer_modules(struct avs_dev *adev, bool load,
			     struct avs_module_entry *mods, u32 num_mods);

int avs_icl_load_basefw(struct avs_dev *adev, struct firmware *fw);

/* Soc component members */

struct avs_soc_component {};

#define to_avs_soc_component(comp)

extern const struct snd_soc_dai_ops avs_dai_fe_ops;

int avs_soc_component_register(struct device *dev, const char *name,
			       const struct snd_soc_component_driver *drv,
			       struct snd_soc_dai_driver *cpu_dais, int num_cpu_dais);
int avs_dmic_platform_register(struct avs_dev *adev, const char *name);
int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned long port_mask,
			      unsigned long *tdms);
int avs_hda_platform_register(struct avs_dev *adev, const char *name);

int avs_register_all_boards(struct avs_dev *adev);
void avs_unregister_all_boards(struct avs_dev *adev);

/* Firmware tracing helpers */

#define avs_log_buffer_size(adev)

#define avs_log_buffer_addr(adev, core)

static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_notify_msg *msg)
{}

struct avs_apl_log_buffer_layout {} __packed;
static_assert();

#define avs_apl_log_payload_size(adev)

#define avs_apl_log_payload_addr(addr)

#ifdef CONFIG_DEBUG_FS
#define AVS_SET_ENABLE_LOGS_OP(name)

bool avs_logging_fw(struct avs_dev *adev);
void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len);
void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len);

int avs_probe_platform_register(struct avs_dev *adev, const char *name);

void avs_debugfs_init(struct avs_dev *adev);
void avs_debugfs_exit(struct avs_dev *adev);
#else
#define AVS_SET_ENABLE_LOGS_OP

static inline bool avs_logging_fw(struct avs_dev *adev)
{
	return false;
}

static inline void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len)
{
}

static inline void
avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len)
{
}

static inline int avs_probe_platform_register(struct avs_dev *adev, const char *name)
{
	return 0;
}

static inline void avs_debugfs_init(struct avs_dev *adev) { }
static inline void avs_debugfs_exit(struct avs_dev *adev) { }
#endif

/* Filesystems integration */

extern const struct attribute_group *avs_attr_groups[];

#endif /* __SOUND_SOC_INTEL_AVS_H */