153 lines
4.6 KiB
C
153 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __Q6APM_H__
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#define __Q6APM_H__
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <linux/of.h>
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#include <linux/delay.h>
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#include <sound/soc.h>
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#include <linux/of_platform.h>
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#include <linux/jiffies.h>
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#include <linux/soc/qcom/apr.h>
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#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
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#include "audioreach.h"
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#define APM_PORT_MAX 127
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#define APM_PORT_MAX_AUDIO_CHAN_CNT 8
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#define PCM_CHANNEL_NULL 0
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#define PCM_CHANNEL_FL 1 /* Front left channel. */
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#define PCM_CHANNEL_FR 2 /* Front right channel. */
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#define PCM_CHANNEL_FC 3 /* Front center channel. */
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#define PCM_CHANNEL_LS 4 /* Left surround channel. */
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#define PCM_CHANNEL_RS 5 /* Right surround channel. */
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#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */
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#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */
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#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */
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#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */
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#define PCM_CHANNELS 10 /* Top surround channel. */
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#define APM_TIMESTAMP_FLAG 0x80000000
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#define FORMAT_LINEAR_PCM 0x0000
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/* APM client callback events */
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#define APM_CMD_EOS 0x0003
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#define APM_CLIENT_EVENT_CMD_EOS_DONE 0x1003
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#define APM_CMD_CLOSE 0x0004
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#define APM_CLIENT_EVENT_CMD_CLOSE_DONE 0x1004
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#define APM_CLIENT_EVENT_CMD_RUN_DONE 0x1008
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#define APM_CLIENT_EVENT_DATA_WRITE_DONE 0x1009
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#define APM_CLIENT_EVENT_DATA_READ_DONE 0x100a
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#define APM_WRITE_TOKEN_MASK GENMASK(15, 0)
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#define APM_WRITE_TOKEN_LEN_MASK GENMASK(31, 16)
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#define APM_WRITE_TOKEN_LEN_SHIFT 16
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#define APM_MAX_SESSIONS 8
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struct q6apm {
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struct device *dev;
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gpr_port_t *port;
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gpr_device_t *gdev;
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/* For Graph OPEN/START/STOP/CLOSE operations */
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wait_queue_head_t wait;
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struct gpr_ibasic_rsp_result_t result;
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struct mutex cmd_lock;
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struct mutex lock;
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uint32_t state;
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struct idr graph_idr;
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struct idr graph_info_idr;
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struct idr sub_graphs_idr;
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struct idr containers_idr;
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struct idr modules_idr;
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};
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struct audio_buffer {
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phys_addr_t phys;
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uint32_t size; /* size of buffer */
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};
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struct audioreach_graph_data {
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struct audio_buffer *buf;
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uint32_t num_periods;
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uint32_t dsp_buf;
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uint32_t mem_map_handle;
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};
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struct audioreach_graph {
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struct audioreach_graph_info *info;
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uint32_t id;
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int state;
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int start_count;
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/* Cached Graph data */
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void *graph;
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struct kref refcount;
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struct q6apm *apm;
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};
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typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token,
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void *payload, void *priv);
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struct q6apm_graph {
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void *priv;
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q6apm_cb cb;
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uint32_t id;
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struct device *dev;
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struct q6apm *apm;
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gpr_port_t *port;
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struct audioreach_graph_data rx_data;
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struct audioreach_graph_data tx_data;
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struct gpr_ibasic_rsp_result_t result;
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wait_queue_head_t cmd_wait;
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struct mutex lock;
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struct audioreach_graph *ar_graph;
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struct audioreach_graph_info *info;
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};
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/* Graph Operations */
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struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb,
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void *priv, int graph_id);
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int q6apm_graph_close(struct q6apm_graph *graph);
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int q6apm_graph_prepare(struct q6apm_graph *graph);
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int q6apm_graph_start(struct q6apm_graph *graph);
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int q6apm_graph_stop(struct q6apm_graph *graph);
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int q6apm_graph_flush(struct q6apm_graph *graph);
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/* Media Format */
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int q6apm_graph_media_format_pcm(struct q6apm_graph *graph,
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struct audioreach_module_config *cfg);
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int q6apm_graph_media_format_shmem(struct q6apm_graph *graph,
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struct audioreach_module_config *cfg);
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/* read/write related */
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int q6apm_send_eos_nowait(struct q6apm_graph *graph);
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int q6apm_read(struct q6apm_graph *graph);
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int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts,
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uint32_t lsw_ts, uint32_t wflags);
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/* Memory Map related */
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int q6apm_map_memory_regions(struct q6apm_graph *graph,
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unsigned int dir, phys_addr_t phys,
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size_t period_sz, unsigned int periods);
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int q6apm_unmap_memory_regions(struct q6apm_graph *graph,
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unsigned int dir);
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/* Helpers */
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int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt,
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uint32_t rsp_opcode);
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/* Callback for graph specific */
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struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph,
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uint32_t mid);
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void q6apm_set_fe_dai_ops(struct snd_soc_dai_driver *dai_drv);
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int q6apm_connect_sub_graphs(struct q6apm *apm, u32 src_sgid, u32 dst_sgid,
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bool connect);
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bool q6apm_is_sub_graphs_connected(struct q6apm *apm, u32 src_sgid,
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u32 dst_sgid);
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int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph);
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#endif /* __APM_GRAPH_ */
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