154 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __Q6APM_H__3#define __Q6APM_H__4#include <linux/types.h>5#include <linux/slab.h>6#include <linux/wait.h>7#include <linux/kernel.h>8#include <linux/module.h>9#include <linux/sched.h>10#include <linux/of.h>11#include <linux/delay.h>12#include <sound/soc.h>13#include <linux/of_platform.h>14#include <linux/jiffies.h>15#include <linux/soc/qcom/apr.h>16#include "audioreach.h"17 18#define APM_PORT_MAX 12719#define APM_PORT_MAX_AUDIO_CHAN_CNT 820#define PCM_CHANNEL_NULL 021#define PCM_CHANNEL_FL 1 /* Front left channel. */22#define PCM_CHANNEL_FR 2 /* Front right channel. */23#define PCM_CHANNEL_FC 3 /* Front center channel. */24#define PCM_CHANNEL_LS 4 /* Left surround channel. */25#define PCM_CHANNEL_RS 5 /* Right surround channel. */26#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */27#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */28#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */29#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */30#define PCM_CHANNELS 10 /* Top surround channel. */31 32#define APM_TIMESTAMP_FLAG 0x8000000033#define FORMAT_LINEAR_PCM 0x000034/* APM client callback events */35#define APM_CMD_EOS 0x000336#define APM_CLIENT_EVENT_CMD_EOS_DONE 0x100337#define APM_CMD_CLOSE 0x000438#define APM_CLIENT_EVENT_CMD_CLOSE_DONE 0x100439#define APM_CLIENT_EVENT_CMD_RUN_DONE 0x100840#define APM_CLIENT_EVENT_DATA_WRITE_DONE 0x100941#define APM_CLIENT_EVENT_DATA_READ_DONE 0x100a42#define APM_WRITE_TOKEN_MASK GENMASK(15, 0)43#define APM_WRITE_TOKEN_LEN_MASK GENMASK(31, 16)44#define APM_WRITE_TOKEN_LEN_SHIFT 1645 46#define APM_MAX_SESSIONS 847#define APM_LAST_BUFFER_FLAG BIT(30)48#define NO_TIMESTAMP 0xFF0049 50struct q6apm {51 struct device *dev;52 gpr_port_t *port;53 gpr_device_t *gdev;54 /* For Graph OPEN/START/STOP/CLOSE operations */55 wait_queue_head_t wait;56 struct gpr_ibasic_rsp_result_t result;57 58 struct mutex cmd_lock;59 struct mutex lock;60 uint32_t state;61 62 struct list_head widget_list;63 struct idr graph_idr;64 struct idr graph_info_idr;65 struct idr sub_graphs_idr;66 struct idr containers_idr;67 struct idr modules_idr;68};69 70struct audio_buffer {71 phys_addr_t phys;72 uint32_t size; /* size of buffer */73};74 75struct audioreach_graph_data {76 struct audio_buffer *buf;77 uint32_t num_periods;78 uint32_t dsp_buf;79 uint32_t mem_map_handle;80};81 82struct audioreach_graph {83 struct audioreach_graph_info *info;84 uint32_t id;85 int state;86 int start_count;87 /* Cached Graph data */88 void *graph;89 struct kref refcount;90 struct q6apm *apm;91};92 93typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token,94 void *payload, void *priv);95struct q6apm_graph {96 void *priv;97 q6apm_cb cb;98 uint32_t id;99 struct device *dev;100 struct q6apm *apm;101 gpr_port_t *port;102 struct audioreach_graph_data rx_data;103 struct audioreach_graph_data tx_data;104 struct gpr_ibasic_rsp_result_t result;105 wait_queue_head_t cmd_wait;106 struct mutex lock;107 struct audioreach_graph *ar_graph;108 struct audioreach_graph_info *info;109};110 111/* Graph Operations */112struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb,113 void *priv, int graph_id);114int q6apm_graph_close(struct q6apm_graph *graph);115int q6apm_graph_prepare(struct q6apm_graph *graph);116int q6apm_graph_start(struct q6apm_graph *graph);117int q6apm_graph_stop(struct q6apm_graph *graph);118int q6apm_graph_flush(struct q6apm_graph *graph);119 120/* Media Format */121int q6apm_graph_media_format_pcm(struct q6apm_graph *graph,122 struct audioreach_module_config *cfg);123 124int q6apm_graph_media_format_shmem(struct q6apm_graph *graph,125 struct audioreach_module_config *cfg);126 127/* read/write related */128int q6apm_read(struct q6apm_graph *graph);129int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts,130 uint32_t lsw_ts, uint32_t wflags);131 132/* Memory Map related */133int q6apm_map_memory_regions(struct q6apm_graph *graph,134 unsigned int dir, phys_addr_t phys,135 size_t period_sz, unsigned int periods);136int q6apm_unmap_memory_regions(struct q6apm_graph *graph,137 unsigned int dir);138/* Helpers */139int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt,140 uint32_t rsp_opcode);141 142/* Callback for graph specific */143struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph,144 uint32_t mid);145int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph);146 147bool q6apm_is_adsp_ready(void);148 149int q6apm_enable_compress_module(struct device *dev, struct q6apm_graph *graph, bool en);150int q6apm_remove_initial_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples);151int q6apm_remove_trailing_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples);152int q6apm_set_real_module_id(struct device *dev, struct q6apm_graph *graph, uint32_t codec_id);153#endif /* __APM_GRAPH_ */154