/* SPDX-License-Identifier: (GPL-2.0 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. All rights reserved.
*
* 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/soc.h>
#include <sound/sof.h>
#include <sound/sof/stream.h> /* needs to be included before control.h */
#include <sound/sof/control.h>
#include <sound/sof/dai.h>
#include <sound/sof/info.h>
#include <sound/sof/pm.h>
#include <sound/sof/topology.h>
#include <sound/sof/trace.h>
#include <uapi/sound/sof/fw.h>
/* debug flags */
#define SOF_DBG_REGS BIT(1)
#define SOF_DBG_MBOX BIT(2)
#define SOF_DBG_TEXT BIT(3)
#define SOF_DBG_PCI BIT(4)
/* 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)
/* max number of FE PCMs before BEs */
#define SOF_BE_PCM_BASE 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)
#define ENABLE_DEBUGFS_CACHEBUF \
(IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
#define DMA_CHAN_INVALID 0xFFFFFFFF
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;
/*
* 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 and remove */
int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
int (*remove)(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); /* optional */
int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
int (*core_power_up)(struct snd_sof_dev *sof_dev,
unsigned int core_mask); /* optional */
int (*core_power_down)(struct snd_sof_dev *sof_dev,
unsigned int core_mask); /* optional */
/*
* Register IO: only used by respective drivers themselves,
* TODO: consider removing these operations and calling respective
* implementations directly
*/
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 */
void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar,
u32 offset, void *dest,
size_t size); /* mandatory */
void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar,
u32 offset, void *src,
size_t size); /* mandatory */
/* 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 */
/*
* FW ready checks for ABI compatibility and creates
* memory windows at first boot
*/
int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* 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 sof_ipc_stream_params *ipc_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 */
/* host stream pointer */
snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream); /* optional */
/* host read DSP stream data */
void (*ipc_msg_data)(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
void *p, size_t sz); /* mandatory */
/* host configure DSP HW parameters */
int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
/* pre/post firmware run */
int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
/* DSP PM */
int (*suspend)(struct snd_sof_dev *sof_dev, int state); /* optional */
int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
int (*runtime_suspend)(struct snd_sof_dev *sof_dev,
int state); /* optional */
int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */
int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
/* DSP clocking */
int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
/* debug */
const struct snd_sof_debugfs_map *debug_map; /* optional */
int debug_map_count; /* optional */
void (*dbg_dump)(struct snd_sof_dev *sof_dev,
u32 flags); /* optional */
void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
/* host DMA trace initialization */
int (*trace_init)(struct snd_sof_dev *sdev,
u32 *stream_tag); /* optional */
int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
int (*trace_trigger)(struct snd_sof_dev *sdev,
int cmd); /* optional */
/* DAI ops */
struct snd_soc_dai_driver *drv;
int num_drv;
};
/* DSP architecture specific callbacks for oops and stack dumps */
struct sof_arch_ops {
void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
u32 *stack, u32 stack_words);
};
#define sof_arch_ops(sdev) ((sdev)->pdata->desc->arch_ops)
/* DSP device HW descriptor mapping between bus ID and ops */
struct sof_ops_table {
const struct sof_dev_desc *desc;
const struct snd_sof_dsp_ops *ops;
};
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,
};
/* FS entry for debug files that can expose DSP memories, registers */
struct snd_sof_dfsentry {
struct dentry *dfsentry;
size_t size;
enum sof_dfsentry_type type;
/*
* access_type specifies if the
* memory -> DSP resource (memory, register etc) is always accessible
* or if it is accessible only when the DSP is in D0.
*/
enum sof_debugfs_access_type access_type;
#if ENABLE_DEBUGFS_CACHEBUF
char *cache_buf; /* buffer to cache the contents of debugfs memory */
#endif
struct snd_sof_dev *sdev;
struct list_head list; /* list in sdev dfsentry list */
union {
void __iomem *io_mem;
void *buf;
};
};
/* Debug mapping for any DSP memory or registers that can used for debug */
struct snd_sof_debugfs_map {
const char *name;
u32 bar;
u32 offset;
u32 size;
/*
* access_type specifies if the memory is always accessible
* or if it is accessible only when the DSP is in D0.
*/
enum sof_debugfs_access_type access_type;
};
/* mailbox descriptor, used for host <-> DSP IPC */
struct snd_sof_mailbox {
u32 offset;
size_t size;
};
/* IPC message descriptor for host <-> DSP IO */
struct snd_sof_ipc_msg {
/* message data */
u32 header;
void *msg_data;
void *reply_data;
size_t msg_size;
size_t reply_size;
int reply_error;
wait_queue_head_t waitq;
bool ipc_complete;
};
/* PCM stream, mapped to FW component */
struct snd_sof_pcm_stream {
u32 comp_id;
struct snd_dma_buffer page_table;
struct sof_ipc_stream_posn posn;
struct snd_pcm_substream *substream;
struct work_struct period_elapsed_work;
};
/* ALSA SOF PCM device */
struct snd_sof_pcm {
struct snd_sof_dev *sdev;
struct snd_soc_tplg_pcm pcm;
struct snd_sof_pcm_stream stream[2];
struct list_head list; /* list in sdev pcm list */
struct snd_pcm_hw_params params[2];
int hw_params_upon_resume[2]; /* set up hw_params upon resume */
};
/* ALSA SOF Kcontrol device */
struct snd_sof_control {
struct snd_sof_dev *sdev;
int comp_id;
int min_volume_step; /* min volume step for volume_table */
int max_volume_step; /* max volume step for volume_table */
int num_channels;
u32 readback_offset; /* offset to mmaped data if used */
struct sof_ipc_ctrl_data *control_data;
u32 size; /* cdata size */
enum sof_ipc_ctrl_cmd cmd;
u32 *volume_table; /* volume table computed from tlv data*/
struct list_head list; /* list in sdev control list */
};
/* ASoC SOF DAPM widget */
struct snd_sof_widget {
struct snd_sof_dev *sdev;
int comp_id;
int pipeline_id;
int complete;
int id;
struct snd_soc_dapm_widget *widget;
struct list_head list; /* list in sdev widget list */
void *private; /* core does not touch this */
};
/* ASoC SOF DAPM route */
struct snd_sof_route {
struct snd_sof_dev *sdev;
struct snd_soc_dapm_route *route;
struct list_head list; /* list in sdev route list */
void *private;
};
/* ASoC DAI device */
struct snd_sof_dai {
struct snd_sof_dev *sdev;
const char *name;
const char *cpu_dai_name;
struct sof_ipc_comp_dai comp_dai;
struct sof_ipc_dai_config *dai_config;
struct list_head list; /* list in sdev dai list */
};
/*
* SOF Device Level.
*/
struct snd_sof_dev {
struct device *dev;
spinlock_t ipc_lock; /* lock for IPC users */
spinlock_t hw_lock; /* lock for HW IO access */
/*
* ASoC components. plat_drv fields are set dynamically so
* can't use const
*/
struct snd_soc_component_driver plat_drv;
/* DSP firmware boot */
wait_queue_head_t boot_wait;
u32 boot_complete;
u32 first_boot;
/* work queue in case the probe is implemented in two steps */
struct work_struct probe_work;
/* DSP HW differentiation */
struct snd_sof_pdata *pdata;
/* IPC */
struct snd_sof_ipc *ipc;
struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */
struct snd_sof_mailbox host_box; /* Host initiated IPC */
struct snd_sof_mailbox stream_box; /* Stream position update */
struct snd_sof_ipc_msg *msg;
int ipc_irq;
u32 next_comp_id; /* monotonic - reset during S3 */
/* memory bases for mmaped DSPs - set by dsp_init() */
void __iomem *bar[SND_SOF_BARS]; /* DSP base address */
int mmio_bar;
int mailbox_bar;
size_t dsp_oops_offset;
/* debug */
struct dentry *debugfs_root;
struct list_head dfsentry_list;
/* firmware loader */
struct snd_dma_buffer dmab;
struct snd_dma_buffer dmab_bdl;
struct sof_ipc_fw_ready fw_ready;
struct sof_ipc_fw_version fw_version;
/* topology */
struct snd_soc_tplg_ops *tplg_ops;
struct list_head pcm_list;
struct list_head kcontrol_list;
struct list_head widget_list;
struct list_head dai_list;
struct list_head route_list;
struct snd_soc_component *component;
u32 enabled_cores_mask; /* keep track of enabled cores */
/* FW configuration */
struct sof_ipc_dma_buffer_data *info_buffer;
struct sof_ipc_window *info_window;
/* IPC timeouts in ms */
int ipc_timeout;
int boot_timeout;
/* Wait queue for code loading */
wait_queue_head_t waitq;
int code_loading;
/* DMA for Trace */
struct snd_dma_buffer dmatb;
struct snd_dma_buffer dmatp;
int dma_trace_pages;
wait_queue_head_t trace_sleep;
u32 host_offset;
u32 dtrace_is_enabled;
u32 dtrace_error;
u32 dtrace_draining;
u32 msi_enabled;
void *private; /* core does not touch this */
};
/*
* Device Level.
*/
int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
int snd_sof_device_remove(struct device *dev);
int snd_sof_runtime_suspend(struct device *dev);
int snd_sof_runtime_resume(struct device *dev);
int snd_sof_runtime_idle(struct device *dev);
int snd_sof_resume(struct device *dev);
int snd_sof_suspend(struct device *dev);
void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
int snd_sof_create_page_table(struct snd_sof_dev *sdev,
struct snd_dma_buffer *dmab,
unsigned char *page_table, size_t size);
/*
* Firmware loading.
*/
int snd_sof_load_firmware(struct snd_sof_dev *sdev);
int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
int snd_sof_run_firmware(struct snd_sof_dev *sdev);
int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
struct snd_sof_mod_hdr *module);
void snd_sof_fw_unload(struct snd_sof_dev *sdev);
int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset);
/*
* IPC low level APIs.
*/
struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
void snd_sof_ipc_free(struct snd_sof_dev *sdev);
int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
struct sof_ipc_pcm_params *params);
int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
size_t dspbox_size, u32 hostbox,
size_t hostbox_size);
int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
void *msg_data, size_t msg_bytes, void *reply_data,
size_t reply_bytes);
struct snd_sof_widget *snd_sof_find_swidget(struct snd_sof_dev *sdev,
const char *name);
struct snd_sof_widget *snd_sof_find_swidget_sname(struct snd_sof_dev *sdev,
const char *pcm_name,
int dir);
struct snd_sof_dai *snd_sof_find_dai(struct snd_sof_dev *sdev,
const char *name);
static inline
struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_sof_dev *sdev,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_sof_pcm *spcm = NULL;
list_for_each_entry(spcm, &sdev->pcm_list, list) {
if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
return spcm;
}
return NULL;
}
struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_sof_dev *sdev,
const char *name);
struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_sof_dev *sdev,
unsigned int comp_id,
int *direction);
struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_sof_dev *sdev,
unsigned int pcm_id);
void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
/*
* Stream IPC
*/
int snd_sof_ipc_stream_posn(struct snd_sof_dev *sdev,
struct snd_sof_pcm *spcm, int direction,
struct sof_ipc_stream_posn *posn);
/*
* Mixer IPC
*/
int snd_sof_ipc_set_get_comp_data(struct snd_sof_ipc *ipc,
struct snd_sof_control *scontrol, u32 ipc_cmd,
enum sof_ipc_ctrl_type ctrl_type,
enum sof_ipc_ctrl_cmd ctrl_cmd,
bool send);
/*
* Topology.
* There is no snd_sof_free_topology since topology components will
* be freed by snd_soc_unregister_component,
*/
int snd_sof_init_topology(struct snd_sof_dev *sdev,
struct snd_soc_tplg_ops *ops);
int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file);
int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget);
int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
struct sof_ipc_pipe_new *pipeline,
struct sof_ipc_comp_reply *r);
/*
* Trace/debug
*/
int snd_sof_init_trace(struct snd_sof_dev *sdev);
void snd_sof_release_trace(struct snd_sof_dev *sdev);
void snd_sof_free_trace(struct snd_sof_dev *sdev);
int snd_sof_dbg_init(struct snd_sof_dev *sdev);
void snd_sof_free_debug(struct snd_sof_dev *sdev);
int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
void __iomem *base, size_t size,
const char *name,
enum sof_debugfs_access_type access_type);
int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
void *base, size_t size,
const char *name, mode_t mode);
int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
struct sof_ipc_dma_trace_posn *posn);
void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
u32 tracep_code, void *oops,
struct sof_ipc_panic_info *panic_info,
void *stack, size_t stack_words);
int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
/*
* Platform specific ops.
*/
extern struct snd_compr_ops sof_compressed_ops;
/*
* Kcontrols.
*/
int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
const unsigned int __user *binary_data,
unsigned int size);
int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
unsigned int __user *binary_data,
unsigned int size);
/*
* DSP Architectures.
*/
static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
u32 stack_words)
{
if (sof_arch_ops(sdev)->dsp_stack)
sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
}
static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
{
if (sof_arch_ops(sdev)->dsp_oops)
sof_arch_ops(sdev)->dsp_oops(sdev, oops);
}
extern const struct sof_arch_ops sof_xtensa_arch_ops;
/*
* Utilities
*/
void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
void *message, size_t bytes);
void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
void *message, size_t bytes);
void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
size_t size);
void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
size_t size);
void intel_ipc_msg_data(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
void *p, size_t sz);
int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
const struct sof_ipc_pcm_params_reply *reply);
int intel_pcm_open(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream);
int intel_pcm_close(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream);
#endif
