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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __Q6APM_H__
#define __Q6APM_H__
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/of.h>
#include <linux/delay.h>
#include <sound/soc.h>
#include <linux/of_platform.h>
#include <linux/jiffies.h>
#include <linux/soc/qcom/apr.h>
#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
#include "audioreach.h"
#define APM_PORT_MAX 127
#define APM_PORT_MAX_AUDIO_CHAN_CNT 8
#define PCM_CHANNEL_NULL 0
#define PCM_CHANNEL_FL 1 /* Front left channel. */
#define PCM_CHANNEL_FR 2 /* Front right channel. */
#define PCM_CHANNEL_FC 3 /* Front center channel. */
#define PCM_CHANNEL_LS 4 /* Left surround channel. */
#define PCM_CHANNEL_RS 5 /* Right surround channel. */
#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */
#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */
#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */
#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */
#define PCM_CHANNELS 10 /* Top surround channel. */
#define APM_TIMESTAMP_FLAG 0x80000000
#define FORMAT_LINEAR_PCM 0x0000
/* APM client callback events */
#define APM_CMD_EOS 0x0003
#define APM_CLIENT_EVENT_CMD_EOS_DONE 0x1003
#define APM_CMD_CLOSE 0x0004
#define APM_CLIENT_EVENT_CMD_CLOSE_DONE 0x1004
#define APM_CLIENT_EVENT_CMD_RUN_DONE 0x1008
#define APM_CLIENT_EVENT_DATA_WRITE_DONE 0x1009
#define APM_CLIENT_EVENT_DATA_READ_DONE 0x100a
#define APM_WRITE_TOKEN_MASK GENMASK(15, 0)
#define APM_WRITE_TOKEN_LEN_MASK GENMASK(31, 16)
#define APM_WRITE_TOKEN_LEN_SHIFT 16
#define APM_MAX_SESSIONS 8
struct q6apm {
struct device *dev;
gpr_port_t *port;
gpr_device_t *gdev;
/* For Graph OPEN/START/STOP/CLOSE operations */
wait_queue_head_t wait;
struct gpr_ibasic_rsp_result_t result;
struct mutex cmd_lock;
struct mutex lock;
uint32_t state;
struct list_head widget_list;
struct idr graph_idr;
struct idr graph_info_idr;
struct idr sub_graphs_idr;
struct idr containers_idr;
struct idr modules_idr;
};
struct audio_buffer {
phys_addr_t phys;
uint32_t size; /* size of buffer */
};
struct audioreach_graph_data {
struct audio_buffer *buf;
uint32_t num_periods;
uint32_t dsp_buf;
uint32_t mem_map_handle;
};
struct audioreach_graph {
struct audioreach_graph_info *info;
uint32_t id;
int state;
int start_count;
/* Cached Graph data */
void *graph;
struct kref refcount;
struct q6apm *apm;
};
typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token,
void *payload, void *priv);
struct q6apm_graph {
void *priv;
q6apm_cb cb;
uint32_t id;
struct device *dev;
struct q6apm *apm;
gpr_port_t *port;
struct audioreach_graph_data rx_data;
struct audioreach_graph_data tx_data;
struct gpr_ibasic_rsp_result_t result;
wait_queue_head_t cmd_wait;
struct mutex lock;
struct audioreach_graph *ar_graph;
struct audioreach_graph_info *info;
};
/* Graph Operations */
struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb,
void *priv, int graph_id);
int q6apm_graph_close(struct q6apm_graph *graph);
int q6apm_graph_prepare(struct q6apm_graph *graph);
int q6apm_graph_start(struct q6apm_graph *graph);
int q6apm_graph_stop(struct q6apm_graph *graph);
int q6apm_graph_flush(struct q6apm_graph *graph);
/* Media Format */
int q6apm_graph_media_format_pcm(struct q6apm_graph *graph,
struct audioreach_module_config *cfg);
int q6apm_graph_media_format_shmem(struct q6apm_graph *graph,
struct audioreach_module_config *cfg);
/* read/write related */
int q6apm_send_eos_nowait(struct q6apm_graph *graph);
int q6apm_read(struct q6apm_graph *graph);
int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts,
uint32_t lsw_ts, uint32_t wflags);
/* Memory Map related */
int q6apm_map_memory_regions(struct q6apm_graph *graph,
unsigned int dir, phys_addr_t phys,
size_t period_sz, unsigned int periods);
int q6apm_unmap_memory_regions(struct q6apm_graph *graph,
unsigned int dir);
/* Helpers */
int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt,
uint32_t rsp_opcode);
/* Callback for graph specific */
struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph,
uint32_t mid);
void q6apm_set_fe_dai_ops(struct snd_soc_dai_driver *dai_drv);
int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph);
#endif /* __APM_GRAPH_ */
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