// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. // Copyright (c) 2018, Linaro Limited #include <dt-bindings/sound/qcom,q6asm.h> #include <linux/mutex.h> #include <linux/wait.h> #include <linux/module.h> #include <linux/soc/qcom/apr.h> #include <linux/device.h> #include <linux/of_platform.h> #include <linux/spinlock.h> #include <linux/kref.h> #include <linux/of.h> #include <uapi/sound/asound.h> #include <uapi/sound/compress_params.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/mm.h> #include "q6asm.h" #include "q6core.h" #include "q6dsp-errno.h" #include "q6dsp-common.h" #define ASM_STREAM_CMD_CLOSE … #define ASM_STREAM_CMD_FLUSH … #define ASM_SESSION_CMD_PAUSE … #define ASM_DATA_CMD_EOS … #define ASM_DATA_EVENT_RENDERED_EOS … #define ASM_NULL_POPP_TOPOLOGY … #define ASM_STREAM_CMD_FLUSH_READBUFS … #define ASM_STREAM_CMD_SET_ENCDEC_PARAM … #define ASM_STREAM_POSTPROC_TOPO_ID_NONE … #define ASM_CMD_SHARED_MEM_MAP_REGIONS … #define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS … #define ASM_CMD_SHARED_MEM_UNMAP_REGIONS … #define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 … #define ASM_DATA_EVENT_WRITE_DONE_V2 … #define ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2 … #define ASM_SESSION_CMD_RUN_V2 … #define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 … #define ASM_MEDIA_FMT_MP3 … #define ASM_MEDIA_FMT_FLAC … #define ASM_MEDIA_FMT_WMA_V9 … #define ASM_MEDIA_FMT_WMA_V10 … #define ASM_DATA_CMD_WRITE_V2 … #define ASM_DATA_CMD_READ_V2 … #define ASM_SESSION_CMD_SUSPEND … #define ASM_STREAM_CMD_OPEN_WRITE_V3 … #define ASM_STREAM_CMD_OPEN_READ_V3 … #define ASM_DATA_EVENT_READ_DONE_V2 … #define ASM_STREAM_CMD_OPEN_READWRITE_V2 … #define ASM_MEDIA_FMT_ALAC … #define ASM_MEDIA_FMT_APE … #define ASM_DATA_CMD_REMOVE_INITIAL_SILENCE … #define ASM_DATA_CMD_REMOVE_TRAILING_SILENCE … #define ASM_LEGACY_STREAM_SESSION … /* Bit shift for the stream_perf_mode subfield. */ #define ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ … #define ASM_END_POINT_DEVICE_MATRIX … #define ASM_DEFAULT_APP_TYPE … #define ASM_SYNC_IO_MODE … #define ASM_ASYNC_IO_MODE … #define ASM_TUN_READ_IO_MODE … #define ASM_TUN_WRITE_IO_MODE … #define ASM_SHIFT_GAPLESS_MODE_FLAG … #define ADSP_MEMORY_MAP_SHMEM8_4K_POOL … struct avs_cmd_shared_mem_map_regions { … } __packed; struct avs_shared_map_region_payload { … } __packed; struct avs_cmd_shared_mem_unmap_regions { … } __packed; struct asm_data_cmd_media_fmt_update_v2 { … } __packed; struct asm_multi_channel_pcm_fmt_blk_v2 { … } __packed; struct asm_flac_fmt_blk_v2 { … } __packed; struct asm_wmastdv9_fmt_blk_v2 { … } __packed; struct asm_wmaprov10_fmt_blk_v2 { … } __packed; struct asm_alac_fmt_blk_v2 { … } __packed; struct asm_ape_fmt_blk_v2 { … } __packed; struct asm_stream_cmd_set_encdec_param { … } __packed; struct asm_enc_cfg_blk_param_v2 { … } __packed; struct asm_multi_channel_pcm_enc_cfg_v2 { … } __packed; struct asm_data_cmd_read_v2 { … } __packed; struct asm_data_cmd_read_v2_done { … }; struct asm_stream_cmd_open_read_v3 { … } __packed; struct asm_data_cmd_write_v2 { … } __packed; struct asm_stream_cmd_open_write_v3 { … } __packed; struct asm_session_cmd_run_v2 { … } __packed; struct audio_buffer { … }; struct audio_port_data { … }; struct q6asm { … }; struct audio_client { … }; static inline void q6asm_add_hdr(struct audio_client *ac, struct apr_hdr *hdr, uint32_t pkt_size, bool cmd_flg, uint32_t stream_id) { … } static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac, struct apr_pkt *pkt, uint32_t rsp_opcode) { … } static int __q6asm_memory_unmap(struct audio_client *ac, phys_addr_t buf_add, int dir) { … } static void q6asm_audio_client_free_buf(struct audio_client *ac, struct audio_port_data *port) { … } /** * q6asm_unmap_memory_regions() - unmap memory regions in the dsp. * * @dir: direction of audio stream * @ac: audio client instanace * * Return: Will be an negative value on failure or zero on success */ int q6asm_unmap_memory_regions(unsigned int dir, struct audio_client *ac) { … } EXPORT_SYMBOL_GPL(…); static int __q6asm_memory_map_regions(struct audio_client *ac, int dir, size_t period_sz, unsigned int periods, bool is_contiguous) { … } /** * q6asm_map_memory_regions() - map memory regions in the dsp. * * @dir: direction of audio stream * @ac: audio client instanace * @phys: physical address that needs mapping. * @period_sz: audio period size * @periods: number of periods * * Return: Will be an negative value on failure or zero on success */ int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac, phys_addr_t phys, size_t period_sz, unsigned int periods) { … } EXPORT_SYMBOL_GPL(…); static void q6asm_audio_client_release(struct kref *ref) { … } /** * q6asm_audio_client_free() - Freee allocated audio client * * @ac: audio client to free */ void q6asm_audio_client_free(struct audio_client *ac) { … } EXPORT_SYMBOL_GPL(…); static struct audio_client *q6asm_get_audio_client(struct q6asm *a, int session_id) { … } static int32_t q6asm_stream_callback(struct apr_device *adev, struct apr_resp_pkt *data, int session_id) { … } static int q6asm_srvc_callback(struct apr_device *adev, struct apr_resp_pkt *data) { … } /** * q6asm_get_session_id() - get session id for audio client * * @c: audio client pointer * * Return: Will be an session id of the audio client. */ int q6asm_get_session_id(struct audio_client *c) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_audio_client_alloc() - Allocate a new audio client * * @dev: Pointer to asm child device. * @cb: event callback. * @priv: private data associated with this client. * @session_id: session id * @perf_mode: performace mode for this client * * Return: Will be an error pointer on error or a valid audio client * on success. */ struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb, void *priv, int session_id, int perf_mode) { … } EXPORT_SYMBOL_GPL(…); static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt) { … } /** * q6asm_open_write() - Open audio client for writing * @ac: audio client pointer * @stream_id: stream id of q6asm session * @format: audio sample format * @codec_profile: compressed format profile * @bits_per_sample: bits per sample * @is_gapless: flag to indicate if this is a gapless stream * * Return: Will be an negative value on error or zero on success */ int q6asm_open_write(struct audio_client *ac, uint32_t stream_id, uint32_t format, u32 codec_profile, uint16_t bits_per_sample, bool is_gapless) { … } EXPORT_SYMBOL_GPL(…); static int __q6asm_run(struct audio_client *ac, uint32_t stream_id, uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts, bool wait) { … } /** * q6asm_run() - start the audio client * * @ac: audio client pointer * @stream_id: stream id of q6asm session * @flags: flags associated with write * @msw_ts: timestamp msw * @lsw_ts: timestamp lsw * * Return: Will be an negative value on error or zero on success */ int q6asm_run(struct audio_client *ac, uint32_t stream_id, uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_run_nowait() - start the audio client withou blocking * * @ac: audio client pointer * @stream_id: stream id * @flags: flags associated with write * @msw_ts: timestamp msw * @lsw_ts: timestamp lsw * * Return: Will be an negative value on error or zero on success */ int q6asm_run_nowait(struct audio_client *ac, uint32_t stream_id, uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration * * @ac: audio client pointer * @stream_id: stream id * @rate: audio sample rate * @channels: number of audio channels. * @channel_map: channel map pointer * @bits_per_sample: bits per sample * * Return: Will be an negative value on error or zero on success */ int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac, uint32_t stream_id, uint32_t rate, uint32_t channels, u8 channel_map[PCM_MAX_NUM_CHANNEL], uint16_t bits_per_sample) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_media_format_block_flac(struct audio_client *ac, uint32_t stream_id, struct q6asm_flac_cfg *cfg) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_media_format_block_wma_v9(struct audio_client *ac, uint32_t stream_id, struct q6asm_wma_cfg *cfg) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_media_format_block_wma_v10(struct audio_client *ac, uint32_t stream_id, struct q6asm_wma_cfg *cfg) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_media_format_block_alac(struct audio_client *ac, uint32_t stream_id, struct q6asm_alac_cfg *cfg) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_media_format_block_ape(struct audio_client *ac, uint32_t stream_id, struct q6asm_ape_cfg *cfg) { … } EXPORT_SYMBOL_GPL(…); static int q6asm_stream_remove_silence(struct audio_client *ac, uint32_t stream_id, uint32_t cmd, uint32_t num_samples) { … } int q6asm_stream_remove_initial_silence(struct audio_client *ac, uint32_t stream_id, uint32_t initial_samples) { … } EXPORT_SYMBOL_GPL(…); int q6asm_stream_remove_trailing_silence(struct audio_client *ac, uint32_t stream_id, uint32_t trailing_samples) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_enc_cfg_blk_pcm_format_support() - setup pcm configuration for capture * * @ac: audio client pointer * @stream_id: stream id * @rate: audio sample rate * @channels: number of audio channels. * @bits_per_sample: bits per sample * * Return: Will be an negative value on error or zero on success */ int q6asm_enc_cfg_blk_pcm_format_support(struct audio_client *ac, uint32_t stream_id, uint32_t rate, uint32_t channels, uint16_t bits_per_sample) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_read() - read data of period size from audio client * * @ac: audio client pointer * @stream_id: stream id * * Return: Will be an negative value on error or zero on success */ int q6asm_read(struct audio_client *ac, uint32_t stream_id) { … } EXPORT_SYMBOL_GPL(…); static int __q6asm_open_read(struct audio_client *ac, uint32_t stream_id, uint32_t format, uint16_t bits_per_sample) { … } /** * q6asm_open_read() - Open audio client for reading * * @ac: audio client pointer * @stream_id: stream id * @format: audio sample format * @bits_per_sample: bits per sample * * Return: Will be an negative value on error or zero on success */ int q6asm_open_read(struct audio_client *ac, uint32_t stream_id, uint32_t format, uint16_t bits_per_sample) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_write_async() - non blocking write * * @ac: audio client pointer * @stream_id: stream id * @len: length in bytes * @msw_ts: timestamp msw * @lsw_ts: timestamp lsw * @wflags: flags associated with write * * Return: Will be an negative value on error or zero on success */ int q6asm_write_async(struct audio_client *ac, uint32_t stream_id, uint32_t len, uint32_t msw_ts, uint32_t lsw_ts, uint32_t wflags) { … } EXPORT_SYMBOL_GPL(…); static void q6asm_reset_buf_state(struct audio_client *ac) { … } static int __q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd, bool wait) { … } /** * q6asm_cmd() - run cmd on audio client * * @ac: audio client pointer * @stream_id: stream id * @cmd: command to run on audio client. * * Return: Will be an negative value on error or zero on success */ int q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd) { … } EXPORT_SYMBOL_GPL(…); /** * q6asm_cmd_nowait() - non blocking, run cmd on audio client * * @ac: audio client pointer * @stream_id: stream id * @cmd: command to run on audio client. * * Return: Will be an negative value on error or zero on success */ int q6asm_cmd_nowait(struct audio_client *ac, uint32_t stream_id, int cmd) { … } EXPORT_SYMBOL_GPL(…); static int q6asm_probe(struct apr_device *adev) { … } #ifdef CONFIG_OF static const struct of_device_id q6asm_device_id[] = …; MODULE_DEVICE_TABLE(of, q6asm_device_id); #endif static struct apr_driver qcom_q6asm_driver = …; module_apr_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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