| /* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| |
| #include <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/time.h> |
| #include <linux/math64.h> |
| #include <linux/wait.h> |
| #include <linux/platform_device.h> |
| #include <linux/slab.h> |
| #include <sound/core.h> |
| #include <sound/soc.h> |
| #include <sound/soc-dapm.h> |
| #include <sound/pcm.h> |
| #include <sound/initval.h> |
| #include <sound/control.h> |
| #include <sound/q6asm-v2.h> |
| #include <sound/pcm_params.h> |
| #include <asm/dma.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/msm_audio_ion.h> |
| |
| #include <sound/timer.h> |
| #include <sound/tlv.h> |
| |
| #include <sound/apr_audio-v2.h> |
| #include <sound/q6asm-v2.h> |
| #include <sound/compress_params.h> |
| #include <sound/compress_offload.h> |
| #include <sound/compress_driver.h> |
| |
| #include "msm-pcm-routing-v2.h" |
| #include "audio_ocmem.h" |
| #include "msm-audio-effects-q6-v2.h" |
| |
| #define DSP_PP_BUFFERING_IN_MSEC 25 |
| #define PARTIAL_DRAIN_ACK_EARLY_BY_MSEC 150 |
| #define MP3_OUTPUT_FRAME_SZ 1152 |
| #define AAC_OUTPUT_FRAME_SZ 1024 |
| #define AC3_OUTPUT_FRAME_SZ 1536 |
| #define EAC3_OUTPUT_FRAME_SZ 1536 |
| #define DSP_NUM_OUTPUT_FRAME_BUFFERED 2 |
| |
| /* decoder parameter length */ |
| #define DDP_DEC_MAX_NUM_PARAM 18 |
| |
| /* Default values used if user space does not set */ |
| #define COMPR_PLAYBACK_MIN_FRAGMENT_SIZE (8 * 1024) |
| #define COMPR_PLAYBACK_MAX_FRAGMENT_SIZE (128 * 1024) |
| #define COMPR_PLAYBACK_MIN_NUM_FRAGMENTS (4) |
| #define COMPR_PLAYBACK_MAX_NUM_FRAGMENTS (16 * 4) |
| |
| #define COMPRESSED_LR_VOL_MAX_STEPS 0x2000 |
| const DECLARE_TLV_DB_LINEAR(msm_compr_vol_gain, 0, |
| COMPRESSED_LR_VOL_MAX_STEPS); |
| |
| struct msm_compr_gapless_state { |
| bool set_next_stream_id; |
| int32_t stream_opened[2]; |
| uint32_t initial_samples_drop; |
| uint32_t trailing_samples_drop; |
| uint32_t gapless_transition; |
| bool use_dsp_gapless_mode; |
| }; |
| |
| struct msm_compr_pdata { |
| atomic_t audio_ocmem_req; |
| struct snd_compr_stream *cstream[MSM_FRONTEND_DAI_MAX]; |
| uint32_t volume[MSM_FRONTEND_DAI_MAX][2]; /* For both L & R */ |
| struct msm_compr_audio_effects *audio_effects[MSM_FRONTEND_DAI_MAX]; |
| bool use_dsp_gapless_mode; |
| struct msm_compr_dec_params *dec_params[MSM_FRONTEND_DAI_MAX]; |
| }; |
| |
| struct msm_compr_audio { |
| struct snd_compr_stream *cstream; |
| struct snd_compr_caps compr_cap; |
| struct snd_compr_codec_caps codec_caps; |
| struct snd_compr_params codec_param; |
| struct audio_client *audio_client; |
| |
| uint32_t codec; |
| void *buffer; /* virtual address */ |
| uint32_t buffer_paddr; /* physical address */ |
| uint32_t app_pointer; |
| uint32_t buffer_size; |
| uint32_t byte_offset; |
| uint32_t copied_total; |
| uint32_t bytes_received; |
| int32_t first_buffer; |
| int32_t last_buffer; |
| int32_t partial_drain_delay; |
| |
| uint16_t session_id; |
| |
| uint32_t sample_rate; |
| uint32_t num_channels; |
| |
| uint32_t cmd_ack; |
| uint32_t cmd_interrupt; |
| uint32_t drain_ready; |
| uint32_t stream_available; |
| uint32_t next_stream; |
| |
| struct msm_compr_gapless_state gapless_state; |
| |
| atomic_t start; |
| atomic_t eos; |
| atomic_t drain; |
| atomic_t xrun; |
| atomic_t close; |
| atomic_t wait_on_close; |
| atomic_t error; |
| |
| wait_queue_head_t eos_wait; |
| wait_queue_head_t drain_wait; |
| wait_queue_head_t flush_wait; |
| wait_queue_head_t close_wait; |
| wait_queue_head_t wait_for_stream_avail; |
| |
| spinlock_t lock; |
| }; |
| |
| struct msm_compr_audio_effects { |
| struct bass_boost_params bass_boost; |
| struct virtualizer_params virtualizer; |
| struct reverb_params reverb; |
| struct eq_params equalizer; |
| }; |
| |
| struct msm_compr_dec_params { |
| struct snd_dec_ddp ddp_params; |
| }; |
| |
| static int msm_compr_set_volume(struct snd_compr_stream *cstream, |
| uint32_t volume_l, uint32_t volume_r) |
| { |
| struct msm_compr_audio *prtd; |
| int rc = 0; |
| |
| pr_debug("%s: volume_l %d volume_r %d\n", |
| __func__, volume_l, volume_r); |
| prtd = cstream->runtime->private_data; |
| if (prtd && prtd->audio_client) { |
| if (volume_l != volume_r) { |
| pr_debug("%s: call q6asm_set_lrgain\n", __func__); |
| rc = q6asm_set_lrgain(prtd->audio_client, |
| volume_l, volume_r); |
| } else { |
| pr_debug("%s: call q6asm_set_volume\n", __func__); |
| rc = q6asm_set_volume(prtd->audio_client, volume_l); |
| } |
| if (rc < 0) { |
| pr_err("%s: Send Volume command failed rc=%d\n", |
| __func__, rc); |
| } |
| } |
| |
| return rc; |
| } |
| |
| static int msm_compr_send_ddp_cfg(struct audio_client *ac, |
| struct snd_dec_ddp *ddp) |
| { |
| int i, rc; |
| pr_debug("%s\n", __func__); |
| for (i = 0; i < ddp->params_length; i++) { |
| rc = q6asm_ds1_set_endp_params(ac, ddp->params_id[i], |
| ddp->params_value[i]); |
| if (rc) { |
| pr_err("sending params_id: %d failed\n", |
| ddp->params_id[i]); |
| return rc; |
| } |
| } |
| return 0; |
| } |
| |
| static int msm_compr_send_buffer(struct msm_compr_audio *prtd) |
| { |
| int buffer_length; |
| int bytes_available; |
| struct audio_aio_write_param param; |
| |
| if (!atomic_read(&prtd->start)) { |
| pr_err("%s: stream is not in started state\n", __func__); |
| return -EINVAL; |
| } |
| |
| |
| if (atomic_read(&prtd->xrun)) { |
| WARN(1, "%s called while xrun is true", __func__); |
| return -EPERM; |
| } |
| |
| pr_debug("%s: bytes_received = %d copied_total = %d\n", |
| __func__, prtd->bytes_received, prtd->copied_total); |
| if (prtd->first_buffer && prtd->gapless_state.use_dsp_gapless_mode) |
| q6asm_send_meta_data(prtd->audio_client, |
| prtd->gapless_state.initial_samples_drop, |
| prtd->gapless_state.trailing_samples_drop); |
| |
| buffer_length = prtd->codec_param.buffer.fragment_size; |
| bytes_available = prtd->bytes_received - prtd->copied_total; |
| if (bytes_available < prtd->codec_param.buffer.fragment_size) |
| buffer_length = bytes_available; |
| |
| if (prtd->byte_offset + buffer_length > prtd->buffer_size) { |
| buffer_length = (prtd->buffer_size - prtd->byte_offset); |
| pr_debug("wrap around situation, send partial data %d now", buffer_length); |
| } |
| |
| if (buffer_length) |
| param.paddr = prtd->buffer_paddr + prtd->byte_offset; |
| else |
| param.paddr = prtd->buffer_paddr; |
| WARN(param.paddr % 32 != 0, "param.paddr %lx not multiple of 32", param.paddr); |
| |
| param.len = buffer_length; |
| param.msw_ts = 0; |
| param.lsw_ts = 0; |
| param.flags = NO_TIMESTAMP; |
| param.uid = buffer_length; |
| param.metadata_len = 0; |
| param.last_buffer = prtd->last_buffer; |
| |
| pr_debug("%s: sending %d bytes to DSP byte_offset = %d\n", |
| __func__, buffer_length, prtd->byte_offset); |
| if (q6asm_async_write(prtd->audio_client, ¶m) < 0) { |
| pr_err("%s:q6asm_async_write failed\n", __func__); |
| } else { |
| if (prtd->first_buffer) |
| prtd->first_buffer = 0; |
| } |
| |
| return 0; |
| } |
| |
| static void compr_event_handler(uint32_t opcode, |
| uint32_t token, uint32_t *payload, void *priv) |
| { |
| struct msm_compr_audio *prtd = priv; |
| struct snd_compr_stream *cstream = prtd->cstream; |
| struct audio_client *ac = prtd->audio_client; |
| uint32_t chan_mode = 0; |
| uint32_t sample_rate = 0; |
| int bytes_available, stream_id; |
| |
| pr_debug("%s opcode =%08x\n", __func__, opcode); |
| switch (opcode) { |
| case ASM_DATA_EVENT_WRITE_DONE_V2: |
| spin_lock(&prtd->lock); |
| |
| if (payload[3]) { |
| pr_err("WRITE FAILED w/ err 0x%x !, paddr 0x%x" |
| " byte_offset = %d, copied_total = %d, token = %d\n", |
| payload[3], |
| payload[0], |
| prtd->byte_offset, prtd->copied_total, token); |
| atomic_set(&prtd->start, 0); |
| } else { |
| pr_debug("ASM_DATA_EVENT_WRITE_DONE_V2 offset %d, length %d\n", |
| prtd->byte_offset, token); |
| } |
| |
| prtd->byte_offset += token; |
| prtd->copied_total += token; |
| if (prtd->byte_offset >= prtd->buffer_size) |
| prtd->byte_offset -= prtd->buffer_size; |
| |
| snd_compr_fragment_elapsed(cstream); |
| |
| if (!atomic_read(&prtd->start)) { |
| /* Writes must be restarted from _copy() */ |
| pr_debug("write_done received while not started, treat as xrun"); |
| atomic_set(&prtd->xrun, 1); |
| spin_unlock(&prtd->lock); |
| break; |
| } |
| |
| bytes_available = prtd->bytes_received - prtd->copied_total; |
| if (bytes_available < cstream->runtime->fragment_size) { |
| pr_debug("WRITE_DONE Insufficient data to send. break out\n"); |
| atomic_set(&prtd->xrun, 1); |
| |
| if (prtd->last_buffer) |
| prtd->last_buffer = 0; |
| if (atomic_read(&prtd->drain)) { |
| pr_debug("wake up on drain\n"); |
| prtd->drain_ready = 1; |
| wake_up(&prtd->drain_wait); |
| atomic_set(&prtd->drain, 0); |
| } |
| } else if ((bytes_available == cstream->runtime->fragment_size) |
| && atomic_read(&prtd->drain)) { |
| prtd->last_buffer = 1; |
| msm_compr_send_buffer(prtd); |
| prtd->last_buffer = 0; |
| } else |
| msm_compr_send_buffer(prtd); |
| |
| spin_unlock(&prtd->lock); |
| break; |
| case ASM_DATA_EVENT_RENDERED_EOS: |
| pr_debug("ASM_DATA_CMDRSP_EOS\n"); |
| spin_lock(&prtd->lock); |
| if (atomic_read(&prtd->eos) && |
| !prtd->gapless_state.set_next_stream_id) { |
| pr_debug("ASM_DATA_CMDRSP_EOS wake up\n"); |
| prtd->cmd_ack = 1; |
| wake_up(&prtd->eos_wait); |
| } |
| atomic_set(&prtd->eos, 0); |
| stream_id = ac->stream_id^1; /*prev stream */ |
| if (prtd->gapless_state.set_next_stream_id && |
| prtd->gapless_state.stream_opened[stream_id]) { |
| q6asm_stream_cmd_nowait(prtd->audio_client, |
| CMD_CLOSE, stream_id); |
| atomic_set(&prtd->close, 1); |
| prtd->gapless_state.stream_opened[stream_id] = 0; |
| prtd->gapless_state.set_next_stream_id = false; |
| } |
| if (prtd->gapless_state.gapless_transition) |
| prtd->gapless_state.gapless_transition = 0; |
| spin_unlock(&prtd->lock); |
| break; |
| case ASM_DATA_EVENT_SR_CM_CHANGE_NOTIFY: |
| case ASM_DATA_EVENT_ENC_SR_CM_CHANGE_NOTIFY: { |
| pr_debug("ASM_DATA_EVENT_SR_CM_CHANGE_NOTIFY\n"); |
| chan_mode = payload[1] >> 16; |
| sample_rate = payload[2] >> 16; |
| if (prtd && (chan_mode != prtd->num_channels || |
| sample_rate != prtd->sample_rate)) { |
| prtd->num_channels = chan_mode; |
| prtd->sample_rate = sample_rate; |
| } |
| } |
| case APR_BASIC_RSP_RESULT: { |
| switch (payload[0]) { |
| case ASM_SESSION_CMD_RUN_V2: |
| /* check if the first buffer need to be sent to DSP */ |
| pr_debug("ASM_SESSION_CMD_RUN_V2\n"); |
| |
| spin_lock(&prtd->lock); |
| /* FIXME: A state is a much better way of dealing with this */ |
| if (!prtd->copied_total) { |
| bytes_available = prtd->bytes_received - prtd->copied_total; |
| if (bytes_available < cstream->runtime->fragment_size) { |
| pr_debug("CMD_RUN_V2 Insufficient data to send. break out\n"); |
| atomic_set(&prtd->xrun, 1); |
| } else |
| msm_compr_send_buffer(prtd); |
| } |
| spin_unlock(&prtd->lock); |
| break; |
| case ASM_STREAM_CMD_FLUSH: |
| pr_debug("ASM_STREAM_CMD_FLUSH\n"); |
| prtd->cmd_ack = 1; |
| wake_up(&prtd->flush_wait); |
| break; |
| case ASM_DATA_CMD_REMOVE_INITIAL_SILENCE: |
| pr_debug("ASM_DATA_CMD_REMOVE_INITIAL_SILENCE\n"); |
| break; |
| case ASM_DATA_CMD_REMOVE_TRAILING_SILENCE: |
| pr_debug("ASM_DATA_CMD_REMOVE_TRAILING_SILENCE\n"); |
| break; |
| case ASM_STREAM_CMD_CLOSE: |
| pr_debug("ASM_DATA_CMD_CLOSE\n"); |
| /* |
| * wakeup wait for stream avail on stream 3 |
| * after stream 1 ends. |
| */ |
| if (prtd->next_stream) { |
| pr_debug("%s:CLOSE:wakeup wait for stream\n", |
| __func__); |
| prtd->stream_available = 1; |
| wake_up(&prtd->wait_for_stream_avail); |
| prtd->next_stream = 0; |
| } |
| if (atomic_read(&prtd->close) && |
| atomic_read(&prtd->wait_on_close)) { |
| prtd->cmd_ack = 1; |
| wake_up(&prtd->close_wait); |
| } |
| atomic_set(&prtd->close, 0); |
| break; |
| default: |
| break; |
| } |
| break; |
| } |
| case ASM_SESSION_CMDRSP_GET_SESSIONTIME_V3: |
| pr_debug("ASM_SESSION_CMDRSP_GET_SESSIONTIME_V3\n"); |
| break; |
| case RESET_EVENTS: |
| pr_err("Received reset events CB, move to error state"); |
| spin_lock(&prtd->lock); |
| snd_compr_fragment_elapsed(cstream); |
| prtd->copied_total = prtd->bytes_received; |
| atomic_set(&prtd->error, 1); |
| spin_unlock(&prtd->lock); |
| break; |
| default: |
| pr_debug("Not Supported Event opcode[0x%x]\n", opcode); |
| break; |
| } |
| } |
| |
| static void populate_codec_list(struct msm_compr_audio *prtd) |
| { |
| pr_debug("%s\n", __func__); |
| prtd->compr_cap.direction = SND_COMPRESS_PLAYBACK; |
| prtd->compr_cap.min_fragment_size = |
| COMPR_PLAYBACK_MIN_FRAGMENT_SIZE; |
| prtd->compr_cap.max_fragment_size = |
| COMPR_PLAYBACK_MAX_FRAGMENT_SIZE; |
| prtd->compr_cap.min_fragments = |
| COMPR_PLAYBACK_MIN_NUM_FRAGMENTS; |
| prtd->compr_cap.max_fragments = |
| COMPR_PLAYBACK_MAX_NUM_FRAGMENTS; |
| prtd->compr_cap.num_codecs = 4; |
| prtd->compr_cap.codecs[0] = SND_AUDIOCODEC_MP3; |
| prtd->compr_cap.codecs[1] = SND_AUDIOCODEC_AAC; |
| prtd->compr_cap.codecs[2] = SND_AUDIOCODEC_AC3; |
| prtd->compr_cap.codecs[3] = SND_AUDIOCODEC_EAC3; |
| } |
| |
| static int msm_compr_send_media_format_block(struct snd_compr_stream *cstream, |
| int stream_id) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| struct asm_aac_cfg aac_cfg; |
| int ret = 0; |
| |
| switch (prtd->codec) { |
| case FORMAT_MP3: |
| /* no media format block needed */ |
| break; |
| case FORMAT_MPEG4_AAC: |
| memset(&aac_cfg, 0x0, sizeof(struct asm_aac_cfg)); |
| aac_cfg.aot = AAC_ENC_MODE_EAAC_P; |
| if (prtd->codec_param.codec.format == |
| SND_AUDIOSTREAMFORMAT_MP4ADTS) |
| aac_cfg.format = 0x0; |
| else |
| aac_cfg.format = 0x03; |
| aac_cfg.ch_cfg = prtd->num_channels; |
| aac_cfg.sample_rate = prtd->sample_rate; |
| ret = q6asm_stream_media_format_block_aac(prtd->audio_client, |
| &aac_cfg, stream_id); |
| if (ret < 0) |
| pr_err("%s: CMD Format block failed\n", __func__); |
| break; |
| case FORMAT_AC3: |
| break; |
| case FORMAT_EAC3: |
| break; |
| default: |
| pr_debug("%s, unsupported format, skip", __func__); |
| break; |
| } |
| return ret; |
| } |
| |
| static int msm_compr_configure_dsp(struct snd_compr_stream *cstream) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| struct snd_soc_pcm_runtime *soc_prtd = cstream->private_data; |
| uint16_t bits_per_sample = 16; |
| int dir = IN, ret = 0; |
| struct audio_client *ac = prtd->audio_client; |
| struct asm_softpause_params softpause = { |
| .enable = SOFT_PAUSE_ENABLE, |
| .period = SOFT_PAUSE_PERIOD, |
| .step = SOFT_PAUSE_STEP, |
| .rampingcurve = SOFT_PAUSE_CURVE_LINEAR, |
| }; |
| struct asm_softvolume_params softvol = { |
| .period = SOFT_VOLUME_PERIOD, |
| .step = SOFT_VOLUME_STEP, |
| .rampingcurve = SOFT_VOLUME_CURVE_LINEAR, |
| }; |
| |
| pr_debug("%s\n", __func__); |
| ret = q6asm_stream_open_write_v2(ac, |
| prtd->codec, bits_per_sample, |
| ac->stream_id, |
| prtd->gapless_state.use_dsp_gapless_mode); |
| if (ret < 0) { |
| pr_err("%s: Session out open failed\n", __func__); |
| return -ENOMEM; |
| } |
| |
| prtd->gapless_state.stream_opened[ac->stream_id] = 1; |
| pr_debug("%s be_id %d\n", __func__, soc_prtd->dai_link->be_id); |
| msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id, |
| ac->perf_mode, |
| prtd->session_id, |
| SNDRV_PCM_STREAM_PLAYBACK); |
| |
| ret = msm_compr_set_volume(cstream, 0, 0); |
| if (ret < 0) |
| pr_err("%s : Set Volume failed : %d", __func__, ret); |
| |
| ret = q6asm_set_softpause(ac, &softpause); |
| if (ret < 0) |
| pr_err("%s: Send SoftPause Param failed ret=%d\n", |
| __func__, ret); |
| |
| ret = q6asm_set_softvolume(ac, &softvol); |
| if (ret < 0) |
| pr_err("%s: Send SoftVolume Param failed ret=%d\n", |
| __func__, ret); |
| |
| ret = q6asm_set_io_mode(ac, (COMPRESSED_IO | ASYNC_IO_MODE)); |
| if (ret < 0) { |
| pr_err("%s: Set IO mode failed\n", __func__); |
| return -EINVAL; |
| } |
| |
| runtime->fragments = prtd->codec_param.buffer.fragments; |
| runtime->fragment_size = prtd->codec_param.buffer.fragment_size; |
| pr_debug("allocate %d buffers each of size %d\n", |
| runtime->fragments, |
| runtime->fragment_size); |
| ret = q6asm_audio_client_buf_alloc_contiguous(dir, ac, |
| runtime->fragment_size, |
| runtime->fragments); |
| if (ret < 0) { |
| pr_err("Audio Start: Buffer Allocation failed rc = %d\n", ret); |
| return -ENOMEM; |
| } |
| |
| prtd->byte_offset = 0; |
| prtd->copied_total = 0; |
| prtd->app_pointer = 0; |
| prtd->bytes_received = 0; |
| prtd->buffer = ac->port[dir].buf[0].data; |
| prtd->buffer_paddr = ac->port[dir].buf[0].phys; |
| prtd->buffer_size = runtime->fragments * runtime->fragment_size; |
| |
| ret = msm_compr_send_media_format_block(cstream, ac->stream_id); |
| if (ret < 0) |
| pr_err("%s, failed to send media format block\n", __func__); |
| |
| return ret; |
| } |
| |
| static int msm_compr_open(struct snd_compr_stream *cstream) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| struct msm_compr_audio *prtd; |
| struct msm_compr_pdata *pdata = |
| snd_soc_platform_get_drvdata(rtd->platform); |
| |
| pr_debug("%s\n", __func__); |
| prtd = kzalloc(sizeof(struct msm_compr_audio), GFP_KERNEL); |
| if (prtd == NULL) { |
| pr_err("Failed to allocate memory for msm_compr_audio\n"); |
| return -ENOMEM; |
| } |
| |
| prtd->cstream = cstream; |
| pdata->cstream[rtd->dai_link->be_id] = cstream; |
| pdata->audio_effects[rtd->dai_link->be_id] = |
| kzalloc(sizeof(struct msm_compr_audio_effects), GFP_KERNEL); |
| if (!pdata->audio_effects[rtd->dai_link->be_id]) { |
| pr_err("%s: Could not allocate memory for effects\n", __func__); |
| kfree(prtd); |
| return -ENOMEM; |
| } |
| pdata->dec_params[rtd->dai_link->be_id] = |
| kzalloc(sizeof(struct msm_compr_dec_params), GFP_KERNEL); |
| if (!pdata->dec_params[rtd->dai_link->be_id]) { |
| pr_err("%s: Could not allocate memory for dec params\n", |
| __func__); |
| kfree(prtd); |
| return -ENOMEM; |
| } |
| prtd->audio_client = q6asm_audio_client_alloc( |
| (app_cb)compr_event_handler, prtd); |
| if (!prtd->audio_client) { |
| pr_err("%s: Could not allocate memory for client\n", __func__); |
| kfree(pdata->audio_effects[rtd->dai_link->be_id]); |
| kfree(pdata->dec_params[rtd->dai_link->be_id]); |
| kfree(prtd); |
| return -ENOMEM; |
| } |
| |
| pr_debug("%s: session ID %d\n", __func__, prtd->audio_client->session); |
| prtd->audio_client->perf_mode = false; |
| prtd->session_id = prtd->audio_client->session; |
| prtd->codec = FORMAT_MP3; |
| prtd->bytes_received = 0; |
| prtd->copied_total = 0; |
| prtd->byte_offset = 0; |
| prtd->sample_rate = 44100; |
| prtd->num_channels = 2; |
| prtd->drain_ready = 0; |
| prtd->last_buffer = 0; |
| prtd->first_buffer = 1; |
| prtd->partial_drain_delay = 0; |
| prtd->next_stream = 0; |
| memset(&prtd->gapless_state, 0, sizeof(struct msm_compr_gapless_state)); |
| /* |
| * Update the use_dsp_gapless_mode from gapless struture with the value |
| * part of platform data. |
| */ |
| prtd->gapless_state.use_dsp_gapless_mode = pdata->use_dsp_gapless_mode; |
| |
| pr_debug("%s: gapless mode %d", __func__, pdata->use_dsp_gapless_mode); |
| |
| spin_lock_init(&prtd->lock); |
| |
| atomic_set(&prtd->eos, 0); |
| atomic_set(&prtd->start, 0); |
| atomic_set(&prtd->drain, 0); |
| atomic_set(&prtd->xrun, 0); |
| atomic_set(&prtd->close, 0); |
| atomic_set(&prtd->wait_on_close, 0); |
| atomic_set(&prtd->error, 0); |
| |
| init_waitqueue_head(&prtd->eos_wait); |
| init_waitqueue_head(&prtd->drain_wait); |
| init_waitqueue_head(&prtd->flush_wait); |
| init_waitqueue_head(&prtd->close_wait); |
| init_waitqueue_head(&prtd->wait_for_stream_avail); |
| |
| runtime->private_data = prtd; |
| populate_codec_list(prtd); |
| |
| if (cstream->direction == SND_COMPRESS_PLAYBACK) { |
| if (!atomic_cmpxchg(&pdata->audio_ocmem_req, 0, 1)) |
| audio_ocmem_process_req(AUDIO, true); |
| else |
| atomic_inc(&pdata->audio_ocmem_req); |
| pr_debug("%s: ocmem_req: %d\n", __func__, |
| atomic_read(&pdata->audio_ocmem_req)); |
| } else { |
| pr_err("%s: Unsupported stream type", __func__); |
| } |
| |
| return 0; |
| } |
| |
| static int msm_compr_free(struct snd_compr_stream *cstream) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| struct snd_soc_pcm_runtime *soc_prtd = cstream->private_data; |
| struct msm_compr_pdata *pdata = |
| snd_soc_platform_get_drvdata(soc_prtd->platform); |
| struct audio_client *ac = prtd->audio_client; |
| int dir = IN, ret = 0, stream_id; |
| unsigned long flags; |
| |
| pr_debug("%s\n", __func__); |
| |
| if (atomic_read(&prtd->eos)) { |
| ret = wait_event_timeout(prtd->eos_wait, |
| prtd->cmd_ack, 5 * HZ); |
| if (!ret) |
| pr_err("%s: CMD_EOS failed\n", __func__); |
| } |
| if (atomic_read(&prtd->close)) { |
| prtd->cmd_ack = 0; |
| atomic_set(&prtd->wait_on_close, 1); |
| ret = wait_event_timeout(prtd->close_wait, |
| prtd->cmd_ack, 5 * HZ); |
| if (!ret) |
| pr_err("%s: CMD_CLOSE failed\n", __func__); |
| } |
| |
| spin_lock_irqsave(&prtd->lock, flags); |
| stream_id = ac->stream_id; |
| if (prtd->gapless_state.stream_opened[stream_id^1]) { |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| pr_debug(" close stream %d", stream_id^1); |
| q6asm_stream_cmd(ac, CMD_CLOSE, stream_id^1); |
| spin_lock_irqsave(&prtd->lock, flags); |
| } |
| if (prtd->gapless_state.stream_opened[stream_id]) { |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| pr_debug("close stream %d", stream_id); |
| q6asm_stream_cmd(ac, CMD_CLOSE, stream_id); |
| spin_lock_irqsave(&prtd->lock, flags); |
| } |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| pdata->cstream[soc_prtd->dai_link->be_id] = NULL; |
| if (cstream->direction == SND_COMPRESS_PLAYBACK) { |
| if (atomic_read(&pdata->audio_ocmem_req) > 1) |
| atomic_dec(&pdata->audio_ocmem_req); |
| else if (atomic_cmpxchg(&pdata->audio_ocmem_req, 1, 0)) |
| audio_ocmem_process_req(AUDIO, false); |
| msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id, |
| SNDRV_PCM_STREAM_PLAYBACK); |
| } |
| |
| pr_debug("%s: ocmem_req: %d\n", __func__, |
| atomic_read(&pdata->audio_ocmem_req)); |
| /* client buf alloc was with stream id 0, so free with the same */ |
| ac->stream_id = 0; |
| q6asm_audio_client_buf_free_contiguous(dir, ac); |
| |
| q6asm_audio_client_free(ac); |
| |
| kfree(pdata->audio_effects[soc_prtd->dai_link->be_id]); |
| kfree(pdata->dec_params[soc_prtd->dai_link->be_id]); |
| kfree(prtd); |
| |
| return 0; |
| } |
| |
| /* compress stream operations */ |
| static int msm_compr_set_params(struct snd_compr_stream *cstream, |
| struct snd_compr_params *params) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| int ret = 0, frame_sz = 0, delay_time_ms = 0; |
| |
| pr_debug("%s\n", __func__); |
| |
| memcpy(&prtd->codec_param, params, sizeof(struct snd_compr_params)); |
| |
| /* ToDo: remove duplicates */ |
| prtd->num_channels = prtd->codec_param.codec.ch_in; |
| |
| switch (prtd->codec_param.codec.sample_rate) { |
| case SNDRV_PCM_RATE_8000: |
| prtd->sample_rate = 8000; |
| break; |
| case SNDRV_PCM_RATE_11025: |
| prtd->sample_rate = 11025; |
| break; |
| /* ToDo: What about 12K and 24K sample rates ? */ |
| case SNDRV_PCM_RATE_16000: |
| prtd->sample_rate = 16000; |
| break; |
| case SNDRV_PCM_RATE_22050: |
| prtd->sample_rate = 22050; |
| break; |
| case SNDRV_PCM_RATE_32000: |
| prtd->sample_rate = 32000; |
| break; |
| case SNDRV_PCM_RATE_44100: |
| prtd->sample_rate = 44100; |
| break; |
| case SNDRV_PCM_RATE_48000: |
| prtd->sample_rate = 48000; |
| break; |
| } |
| |
| pr_debug("%s: sample_rate %d\n", __func__, prtd->sample_rate); |
| |
| switch (params->codec.id) { |
| case SND_AUDIOCODEC_MP3: { |
| pr_debug("SND_AUDIOCODEC_MP3\n"); |
| prtd->codec = FORMAT_MP3; |
| frame_sz = MP3_OUTPUT_FRAME_SZ; |
| break; |
| } |
| |
| case SND_AUDIOCODEC_AAC: { |
| pr_debug("SND_AUDIOCODEC_AAC\n"); |
| prtd->codec = FORMAT_MPEG4_AAC; |
| frame_sz = AAC_OUTPUT_FRAME_SZ; |
| break; |
| } |
| |
| case SND_AUDIOCODEC_AC3: { |
| prtd->codec = FORMAT_AC3; |
| frame_sz = AC3_OUTPUT_FRAME_SZ; |
| break; |
| } |
| |
| case SND_AUDIOCODEC_EAC3: { |
| prtd->codec = FORMAT_EAC3; |
| frame_sz = EAC3_OUTPUT_FRAME_SZ; |
| break; |
| } |
| |
| default: |
| pr_err("codec not supported, id =%d\n", params->codec.id); |
| return -EINVAL; |
| } |
| |
| delay_time_ms = ((DSP_NUM_OUTPUT_FRAME_BUFFERED * frame_sz * 1000) / |
| prtd->sample_rate) + DSP_PP_BUFFERING_IN_MSEC; |
| delay_time_ms = delay_time_ms > PARTIAL_DRAIN_ACK_EARLY_BY_MSEC ? |
| delay_time_ms - PARTIAL_DRAIN_ACK_EARLY_BY_MSEC : 0; |
| prtd->partial_drain_delay = delay_time_ms; |
| |
| ret = msm_compr_configure_dsp(cstream); |
| |
| return ret; |
| } |
| |
| static int msm_compr_drain_buffer(struct msm_compr_audio *prtd, |
| unsigned long *flags) |
| { |
| int rc = 0; |
| |
| atomic_set(&prtd->drain, 1); |
| prtd->drain_ready = 0; |
| spin_unlock_irqrestore(&prtd->lock, *flags); |
| pr_debug("%s: wait for buffer to be drained\n", __func__); |
| rc = wait_event_interruptible(prtd->drain_wait, |
| prtd->drain_ready || |
| prtd->cmd_interrupt || |
| atomic_read(&prtd->xrun)); |
| pr_debug("%s: out of buffer drain wait\n", __func__); |
| spin_lock_irqsave(&prtd->lock, *flags); |
| if (prtd->cmd_interrupt) { |
| pr_debug("%s: buffer drain interrupted by flush)\n", __func__); |
| rc = -EINTR; |
| prtd->cmd_interrupt = 0; |
| } |
| return rc; |
| } |
| |
| static int msm_compr_wait_for_stream_avail(struct msm_compr_audio *prtd, |
| unsigned long *flags) |
| { |
| int rc = 0; |
| pr_debug("next session is already in opened state\n"); |
| prtd->next_stream = 1; |
| prtd->cmd_interrupt = 0; |
| spin_unlock_irqrestore(&prtd->lock, *flags); |
| /* |
| * Wait for stream to be available, or the wait to be interrupted by |
| * commands like flush or till a timeout of one second. |
| */ |
| rc = wait_event_timeout(prtd->wait_for_stream_avail, |
| prtd->stream_available || prtd->cmd_interrupt, 1 * HZ); |
| pr_err("%s:prtd->stream_available %d, prtd->cmd_interrupt %d rc %d\n", |
| __func__, prtd->stream_available, prtd->cmd_interrupt, rc); |
| |
| spin_lock_irqsave(&prtd->lock, *flags); |
| if (rc == 0) { |
| pr_err("%s: wait_for_stream_avail timed out\n", |
| __func__); |
| rc = -ETIMEDOUT; |
| } else if (prtd->cmd_interrupt == 1) { |
| /* |
| * This scenario might not happen as we do not allow |
| * flush in transition state. |
| */ |
| pr_debug("%s: wait_for_stream_avail interrupted\n", __func__); |
| prtd->cmd_interrupt = 0; |
| prtd->stream_available = 0; |
| rc = -EINTR; |
| } else { |
| prtd->stream_available = 0; |
| rc = 0; |
| } |
| pr_debug("%s : rc = %d", __func__, rc); |
| return rc; |
| } |
| |
| static int msm_compr_trigger(struct snd_compr_stream *cstream, int cmd) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| struct msm_compr_pdata *pdata = |
| snd_soc_platform_get_drvdata(rtd->platform); |
| uint32_t *volume = pdata->volume[rtd->dai_link->be_id]; |
| struct audio_client *ac = prtd->audio_client; |
| int rc = 0; |
| int bytes_to_write; |
| unsigned long flags; |
| int stream_id; |
| |
| if (cstream->direction != SND_COMPRESS_PLAYBACK) { |
| pr_err("%s: Unsupported stream type\n", __func__); |
| return -EINVAL; |
| } |
| |
| spin_lock_irqsave(&prtd->lock, flags); |
| if (atomic_read(&prtd->error)) { |
| pr_err("%s Got RESET EVENTS notification, return immediately", __func__); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| return 0; |
| } |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| switch (cmd) { |
| case SNDRV_PCM_TRIGGER_START: |
| pr_debug("%s: SNDRV_PCM_TRIGGER_START\n", __func__); |
| atomic_set(&prtd->start, 1); |
| q6asm_run_nowait(prtd->audio_client, 0, 0, 0); |
| |
| msm_compr_set_volume(cstream, volume[0], volume[1]); |
| if (rc) |
| pr_err("%s : Set Volume failed : %d\n", |
| __func__, rc); |
| break; |
| case SNDRV_PCM_TRIGGER_STOP: |
| spin_lock_irqsave(&prtd->lock, flags); |
| pr_debug("%s: SNDRV_PCM_TRIGGER_STOP transition %d\n", __func__, |
| prtd->gapless_state.gapless_transition); |
| stream_id = ac->stream_id; |
| atomic_set(&prtd->start, 0); |
| if (prtd->next_stream) { |
| pr_debug("%s: interrupt next track wait queues\n", |
| __func__); |
| prtd->cmd_interrupt = 1; |
| wake_up(&prtd->wait_for_stream_avail); |
| prtd->next_stream = 0; |
| } |
| if (atomic_read(&prtd->eos)) { |
| pr_debug("%s: interrupt eos wait queues", __func__); |
| prtd->cmd_interrupt = 1; |
| wake_up(&prtd->eos_wait); |
| atomic_set(&prtd->eos, 0); |
| } |
| if (atomic_read(&prtd->drain)) { |
| pr_debug("%s: interrupt drain wait queues", __func__); |
| prtd->cmd_interrupt = 1; |
| prtd->drain_ready = 1; |
| wake_up(&prtd->drain_wait); |
| atomic_set(&prtd->drain, 0); |
| } |
| prtd->last_buffer = 0; |
| pr_debug("issue CMD_FLUSH\n"); |
| prtd->cmd_ack = 0; |
| if (!prtd->gapless_state.gapless_transition) { |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| rc = q6asm_stream_cmd( |
| prtd->audio_client, CMD_FLUSH, stream_id); |
| if (rc < 0) { |
| pr_err("%s: flush cmd failed rc=%d\n", |
| __func__, rc); |
| return rc; |
| } |
| rc = wait_event_timeout(prtd->flush_wait, |
| prtd->cmd_ack, 1 * HZ); |
| if (!rc) { |
| rc = -ETIMEDOUT; |
| pr_err("Flush cmd timeout\n"); |
| } else { |
| rc = 0; /* prtd->cmd_status == OK? 0 : -EPERM*/ |
| } |
| spin_lock_irqsave(&prtd->lock, flags); |
| } else { |
| prtd->first_buffer = 0; |
| } |
| /* FIXME. only reset if flush was successful */ |
| prtd->byte_offset = 0; |
| prtd->copied_total = 0; |
| prtd->app_pointer = 0; |
| prtd->bytes_received = 0; |
| atomic_set(&prtd->xrun, 0); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| pr_debug("SNDRV_PCM_TRIGGER_PAUSE_PUSH transition %d\n", |
| prtd->gapless_state.gapless_transition); |
| if (!prtd->gapless_state.gapless_transition) { |
| q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE); |
| atomic_set(&prtd->start, 0); |
| } |
| break; |
| case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| pr_debug("SNDRV_PCM_TRIGGER_PAUSE_RELEASE transition %d\n", |
| prtd->gapless_state.gapless_transition); |
| if (!prtd->gapless_state.gapless_transition) { |
| atomic_set(&prtd->start, 1); |
| q6asm_run_nowait(prtd->audio_client, 0, 0, 0); |
| } |
| break; |
| case SND_COMPR_TRIGGER_PARTIAL_DRAIN: |
| pr_debug("%s: SND_COMPR_TRIGGER_PARTIAL_DRAIN\n", __func__); |
| if (!prtd->gapless_state.use_dsp_gapless_mode) { |
| pr_debug("%s: set partial drain as drain\n", __func__); |
| cmd = SND_COMPR_TRIGGER_DRAIN; |
| } |
| case SND_COMPR_TRIGGER_DRAIN: |
| pr_debug("%s: SNDRV_COMPRESS_DRAIN\n", __func__); |
| /* Make sure all the data is sent to DSP before sending EOS */ |
| spin_lock_irqsave(&prtd->lock, flags); |
| |
| if (!atomic_read(&prtd->start)) { |
| pr_err("%s: stream is not in started state\n", |
| __func__); |
| rc = -EPERM; |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| if (prtd->bytes_received > prtd->copied_total) { |
| pr_debug("%s: wait till all the data is sent to dsp\n", |
| __func__); |
| rc = msm_compr_drain_buffer(prtd, &flags); |
| if (rc || !atomic_read(&prtd->start)) { |
| rc = -EINTR; |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| /* |
| * FIXME: Bug. |
| * Write(32767) |
| * Start |
| * Drain <- Indefinite wait |
| * sol1 : if (prtd->copied_total) then wait? |
| * sol2 : prtd->cmd_interrupt || prtd->drain_ready || atomic_read(xrun) |
| */ |
| bytes_to_write = prtd->bytes_received - prtd->copied_total; |
| WARN(bytes_to_write > runtime->fragment_size, |
| "last write %d cannot be > than fragment_size", |
| bytes_to_write); |
| |
| if (bytes_to_write > 0) { |
| pr_debug("%s: send %d partial bytes at the end", |
| __func__, bytes_to_write); |
| atomic_set(&prtd->xrun, 0); |
| prtd->last_buffer = 1; |
| msm_compr_send_buffer(prtd); |
| } |
| } |
| |
| if ((cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN) && |
| (prtd->gapless_state.set_next_stream_id)) { |
| /* wait for the last buffer to be returned */ |
| |
| if (prtd->last_buffer) { |
| pr_debug("%s: last buffer drain\n", __func__); |
| rc = msm_compr_drain_buffer(prtd, &flags); |
| if (rc) { |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| } |
| |
| /* send EOS */ |
| prtd->cmd_ack = 0; |
| q6asm_cmd_nowait(prtd->audio_client, CMD_EOS); |
| pr_info("PARTIAL DRAIN, do not wait for EOS ack\n"); |
| |
| /* send a zero length buffer */ |
| atomic_set(&prtd->xrun, 0); |
| msm_compr_send_buffer(prtd); |
| |
| /* wait for the zero length buffer to be returned */ |
| pr_debug("%s: zero length buffer drain\n", __func__); |
| rc = msm_compr_drain_buffer(prtd, &flags); |
| if (rc) { |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| |
| /* sleep for additional duration partial drain */ |
| atomic_set(&prtd->drain, 1); |
| prtd->drain_ready = 0; |
| pr_debug("%s, additional sleep: %d\n", __func__, |
| prtd->partial_drain_delay); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| rc = wait_event_timeout(prtd->drain_wait, |
| prtd->drain_ready || prtd->cmd_interrupt, |
| msecs_to_jiffies(prtd->partial_drain_delay)); |
| pr_debug("%s: out of additional wait for low sample rate\n", |
| __func__); |
| spin_lock_irqsave(&prtd->lock, flags); |
| if (prtd->cmd_interrupt) { |
| pr_debug("%s: additional wait interrupted by flush)\n", |
| __func__); |
| rc = -EINTR; |
| prtd->cmd_interrupt = 0; |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| |
| /* move to next stream and reset vars */ |
| pr_debug("%s: Moving to next stream in gapless\n", __func__); |
| ac->stream_id ^= 1; |
| prtd->byte_offset = 0; |
| prtd->app_pointer = 0; |
| prtd->first_buffer = 1; |
| prtd->last_buffer = 0; |
| prtd->gapless_state.gapless_transition = 1; |
| /* |
| Don't reset these as these vars map to |
| total_bytes_transferred and total_bytes_available |
| directly, only total_bytes_transferred will be updated |
| in the next avail() ioctl |
| prtd->copied_total = 0; |
| prtd->bytes_received = 0; |
| */ |
| atomic_set(&prtd->drain, 0); |
| atomic_set(&prtd->xrun, 1); |
| pr_debug("%s: issue CMD_RUN", __func__); |
| q6asm_run_nowait(prtd->audio_client, 0, 0, 0); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| /* |
| moving to next stream failed, so reset the gapless state |
| set next stream id for the same session so that the same |
| stream can be used for gapless playback |
| */ |
| prtd->gapless_state.set_next_stream_id = false; |
| pr_debug("%s: CMD_EOS\n", __func__); |
| |
| prtd->cmd_ack = 0; |
| atomic_set(&prtd->eos, 1); |
| q6asm_cmd_nowait(prtd->audio_client, CMD_EOS); |
| |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| |
| /* Wait indefinitely for DRAIN. Flush can also signal this*/ |
| rc = wait_event_interruptible(prtd->eos_wait, |
| (prtd->cmd_ack || prtd->cmd_interrupt)); |
| |
| if (rc < 0) |
| pr_err("%s: EOS wait failed\n", __func__); |
| |
| pr_debug("%s: SNDRV_COMPRESS_DRAIN out of wait for EOS\n", __func__); |
| |
| if (prtd->cmd_interrupt) |
| rc = -EINTR; |
| |
| /*FIXME : what if a flush comes while PC is here */ |
| if (rc == 0) { |
| /* |
| * Failed to open second stream in DSP for gapless |
| * so prepare the current stream in session for gapless playback |
| */ |
| spin_lock_irqsave(&prtd->lock, flags); |
| pr_debug("%s: issue CMD_PAUSE ", __func__); |
| q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE); |
| prtd->cmd_ack = 0; |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| pr_debug("%s: issue CMD_FLUSH", __func__); |
| q6asm_cmd(prtd->audio_client, CMD_FLUSH); |
| wait_event_timeout(prtd->flush_wait, |
| prtd->cmd_ack, 1 * HZ / 4); |
| |
| spin_lock_irqsave(&prtd->lock, flags); |
| /* |
| Don't reset these as these vars map to |
| total_bytes_transferred and total_bytes_available |
| directly, only total_bytes_transferred will be updated |
| in the next avail() ioctl |
| prtd->copied_total = 0; |
| prtd->bytes_received = 0; |
| */ |
| prtd->byte_offset = 0; |
| prtd->app_pointer = 0; |
| prtd->first_buffer = 1; |
| prtd->last_buffer = 0; |
| atomic_set(&prtd->drain, 0); |
| atomic_set(&prtd->xrun, 1); |
| q6asm_run_nowait(prtd->audio_client, 0, 0, 0); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| } |
| prtd->cmd_interrupt = 0; |
| break; |
| case SND_COMPR_TRIGGER_NEXT_TRACK: |
| if (!prtd->gapless_state.use_dsp_gapless_mode) { |
| pr_debug("%s: ignore trigger next track\n", __func__); |
| rc = 0; |
| break; |
| } |
| pr_debug("%s: SND_COMPR_TRIGGER_NEXT_TRACK\n", __func__); |
| spin_lock_irqsave(&prtd->lock, flags); |
| rc = 0; |
| stream_id = ac->stream_id^1; /*next stream in gapless*/ |
| /* |
| * Wait if stream 1 has not completed before honoring next |
| * track for stream 3. Scenario happens if second clip is |
| * small and fills in one buffer so next track will be |
| * called immediately. |
| */ |
| if (prtd->gapless_state.stream_opened[stream_id]) { |
| if (prtd->gapless_state.gapless_transition) { |
| rc = msm_compr_wait_for_stream_avail(prtd, |
| &flags); |
| } else { |
| /* |
| * If session is already opened break out if |
| * the state is not gapless transition. This |
| * is when seek happens after the last buffer |
| * is sent to the driver. Next track would be |
| * called again after last buffer is sent. |
| */ |
| pr_debug("next session is in opened state\n"); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| } |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| if (rc < 0) { |
| /* |
| * if return type EINTR then reset to zero. Tiny |
| * compress treats EINTR as error and prevents PARTIAL |
| * DRAIN. EINTR is not an error. wait for stream avail |
| * is interrupted by some other command like FLUSH. |
| */ |
| if (rc == -EINTR) { |
| pr_debug("%s: EINTR reset rc to 0\n", __func__); |
| rc = 0; |
| } |
| break; |
| } |
| rc = q6asm_stream_open_write_v2(prtd->audio_client, |
| prtd->codec, 16, |
| stream_id, |
| prtd->gapless_state.use_dsp_gapless_mode); |
| if (rc < 0) { |
| pr_err("%s: Session out open failed for gapless\n", |
| __func__); |
| break; |
| } |
| rc = msm_compr_send_media_format_block(cstream, stream_id); |
| if (rc < 0) { |
| pr_err("%s, failed to send media format block\n", |
| __func__); |
| break; |
| } |
| spin_lock_irqsave(&prtd->lock, flags); |
| prtd->gapless_state.stream_opened[stream_id] = 1; |
| prtd->gapless_state.set_next_stream_id = true; |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| break; |
| } |
| |
| return rc; |
| } |
| |
| static int msm_compr_pointer(struct snd_compr_stream *cstream, |
| struct snd_compr_tstamp *arg) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| struct snd_compr_tstamp tstamp; |
| uint64_t timestamp = 0; |
| int rc = 0, first_buffer; |
| unsigned long flags; |
| |
| pr_debug("%s\n", __func__); |
| memset(&tstamp, 0x0, sizeof(struct snd_compr_tstamp)); |
| |
| spin_lock_irqsave(&prtd->lock, flags); |
| tstamp.sampling_rate = prtd->sample_rate; |
| tstamp.byte_offset = prtd->byte_offset; |
| tstamp.copied_total = prtd->copied_total; |
| first_buffer = prtd->first_buffer; |
| |
| if (atomic_read(&prtd->error)) { |
| pr_err("%s Got RESET EVENTS notification, return error", __func__); |
| tstamp.pcm_io_frames = 0; |
| memcpy(arg, &tstamp, sizeof(struct snd_compr_tstamp)); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| return -EINVAL; |
| } |
| |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| /* |
| Query timestamp from DSP if some data is with it. |
| This prevents timeouts. |
| */ |
| if (!first_buffer) { |
| rc = q6asm_get_session_time(prtd->audio_client, ×tamp); |
| if (rc < 0) { |
| pr_err("%s: Get Session Time return value =%lld\n", |
| __func__, timestamp); |
| return -EAGAIN; |
| } |
| } |
| |
| /* DSP returns timestamp in usec */ |
| pr_debug("%s: timestamp = %lld usec\n", __func__, timestamp); |
| timestamp *= prtd->sample_rate; |
| tstamp.pcm_io_frames = (snd_pcm_uframes_t)div64_u64(timestamp, 1000000); |
| memcpy(arg, &tstamp, sizeof(struct snd_compr_tstamp)); |
| |
| return 0; |
| } |
| |
| static int msm_compr_ack(struct snd_compr_stream *cstream, |
| size_t count) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| void *src, *dstn; |
| size_t copy; |
| unsigned long flags; |
| |
| WARN(1, "This path is untested"); |
| return -EINVAL; |
| |
| pr_debug("%s: count = %d\n", __func__, count); |
| if (!prtd->buffer) { |
| pr_err("%s: Buffer is not allocated yet ??\n", __func__); |
| return -EINVAL; |
| } |
| src = runtime->buffer + prtd->app_pointer; |
| dstn = prtd->buffer + prtd->app_pointer; |
| if (count < prtd->buffer_size - prtd->app_pointer) { |
| memcpy(dstn, src, count); |
| prtd->app_pointer += count; |
| } else { |
| copy = prtd->buffer_size - prtd->app_pointer; |
| memcpy(dstn, src, copy); |
| memcpy(prtd->buffer, runtime->buffer, count - copy); |
| prtd->app_pointer = count - copy; |
| } |
| |
| /* |
| * If the stream is started and all the bytes received were |
| * copied to DSP, the newly received bytes should be |
| * sent right away |
| */ |
| spin_lock_irqsave(&prtd->lock, flags); |
| |
| if (atomic_read(&prtd->start) && |
| prtd->bytes_received == prtd->copied_total) { |
| prtd->bytes_received += count; |
| msm_compr_send_buffer(prtd); |
| } else |
| prtd->bytes_received += count; |
| |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| return 0; |
| } |
| |
| static int msm_compr_copy(struct snd_compr_stream *cstream, |
| char __user *buf, size_t count) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| void *dstn; |
| size_t copy; |
| size_t bytes_available = 0; |
| unsigned long flags; |
| |
| pr_debug("%s: count = %d\n", __func__, count); |
| if (!prtd->buffer) { |
| pr_err("%s: Buffer is not allocated yet ??", __func__); |
| return 0; |
| } |
| |
| spin_lock_irqsave(&prtd->lock, flags); |
| if (atomic_read(&prtd->error)) { |
| pr_err("%s Got RESET EVENTS notification", __func__); |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| return -EINVAL; |
| } |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| dstn = prtd->buffer + prtd->app_pointer; |
| if (count < prtd->buffer_size - prtd->app_pointer) { |
| if (copy_from_user(dstn, buf, count)) |
| return -EFAULT; |
| prtd->app_pointer += count; |
| } else { |
| copy = prtd->buffer_size - prtd->app_pointer; |
| if (copy_from_user(dstn, buf, copy)) |
| return -EFAULT; |
| if (copy_from_user(prtd->buffer, buf + copy, count - copy)) |
| return -EFAULT; |
| prtd->app_pointer = count - copy; |
| } |
| |
| /* |
| * If stream is started and there has been an xrun, |
| * since the available bytes fits fragment_size, copy the data right away |
| */ |
| spin_lock_irqsave(&prtd->lock, flags); |
| prtd->bytes_received += count; |
| if (atomic_read(&prtd->start)) { |
| if (atomic_read(&prtd->xrun)) { |
| pr_debug("%s: in xrun, count = %d\n", __func__, count); |
| bytes_available = prtd->bytes_received - prtd->copied_total; |
| if (bytes_available >= runtime->fragment_size) { |
| pr_debug("%s: handle xrun, bytes_to_write = %d\n", |
| __func__, |
| bytes_available); |
| atomic_set(&prtd->xrun, 0); |
| msm_compr_send_buffer(prtd); |
| } /* else not sufficient data */ |
| } /* writes will continue on the next write_done */ |
| } |
| |
| spin_unlock_irqrestore(&prtd->lock, flags); |
| |
| return count; |
| } |
| |
| static int msm_compr_get_caps(struct snd_compr_stream *cstream, |
| struct snd_compr_caps *arg) |
| { |
| struct snd_compr_runtime *runtime = cstream->runtime; |
| struct msm_compr_audio *prtd = runtime->private_data; |
| |
| pr_debug("%s\n", __func__); |
| memcpy(arg, &prtd->compr_cap, sizeof(struct snd_compr_caps)); |
| |
| return 0; |
| } |
| |
| static int msm_compr_get_codec_caps(struct snd_compr_stream *cstream, |
| struct snd_compr_codec_caps *codec) |
| { |
| pr_debug("%s\n", __func__); |
| |
| switch (codec->codec) { |
| case SND_AUDIOCODEC_MP3: |
| codec->num_descriptors = 2; |
| codec->descriptor[0].max_ch = 2; |
| codec->descriptor[0].sample_rates = SNDRV_PCM_RATE_8000_48000; |
| codec->descriptor[0].bit_rate[0] = 320; /* 320kbps */ |
| codec->descriptor[0].bit_rate[1] = 128; |
| codec->descriptor[0].num_bitrates = 2; |
| codec->descriptor[0].profiles = 0; |
| codec->descriptor[0].modes = SND_AUDIOCHANMODE_MP3_STEREO; |
| codec->descriptor[0].formats = 0; |
| break; |
| case SND_AUDIOCODEC_AAC: |
| codec->num_descriptors = 2; |
| codec->descriptor[1].max_ch = 2; |
| codec->descriptor[1].sample_rates = SNDRV_PCM_RATE_8000_48000; |
| codec->descriptor[1].bit_rate[0] = 320; /* 320kbps */ |
| codec->descriptor[1].bit_rate[1] = 128; |
| codec->descriptor[1].num_bitrates = 2; |
| codec->descriptor[1].profiles = 0; |
| codec->descriptor[1].modes = 0; |
| codec->descriptor[1].formats = |
| (SND_AUDIOSTREAMFORMAT_MP4ADTS | |
| SND_AUDIOSTREAMFORMAT_RAW); |
| break; |
| case SND_AUDIOCODEC_AC3: |
| break; |
| case SND_AUDIOCODEC_EAC3: |
| break; |
| default: |
| pr_err("%s: Unsupported audio codec %d\n", |
| __func__, codec->codec); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int msm_compr_set_metadata(struct snd_compr_stream *cstream, |
| struct snd_compr_metadata *metadata) |
| { |
| struct msm_compr_audio *prtd; |
| struct audio_client *ac; |
| pr_debug("%s\n", __func__); |
| |
| if (!metadata || !cstream) |
| return -EINVAL; |
| |
| prtd = cstream->runtime->private_data; |
| if (!prtd && !prtd->audio_client) |
| return -EINVAL; |
| ac = prtd->audio_client; |
| if (metadata->key == SNDRV_COMPRESS_ENCODER_PADDING) { |
| pr_debug("%s, got encoder padding %u", __func__, metadata->value[0]); |
| prtd->gapless_state.trailing_samples_drop = metadata->value[0]; |
| } else if (metadata->key == SNDRV_COMPRESS_ENCODER_DELAY) { |
| pr_debug("%s, got encoder delay %u", __func__, metadata->value[0]); |
| prtd->gapless_state.initial_samples_drop = metadata->value[0]; |
| } |
| |
| return 0; |
| } |
| |
| static int msm_compr_volume_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| unsigned long fe_id = kcontrol->private_value; |
| struct msm_compr_pdata *pdata = (struct msm_compr_pdata *) |
| snd_soc_platform_get_drvdata(platform); |
| struct snd_compr_stream *cstream = NULL; |
| uint32_t *volume = NULL; |
| |
| if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| pr_err("%s Received out of bounds fe_id %lu\n", |
| __func__, fe_id); |
| return -EINVAL; |
| } |
| |
| cstream = pdata->cstream[fe_id]; |
| volume = pdata->volume[fe_id]; |
| |
| volume[0] = ucontrol->value.integer.value[0]; |
| volume[1] = ucontrol->value.integer.value[1]; |
| pr_debug("%s: fe_id %lu left_vol %d right_vol %d\n", |
| __func__, fe_id, volume[0], volume[1]); |
| if (cstream) |
| msm_compr_set_volume(cstream, volume[0], volume[1]); |
| return 0; |
| } |
| |
| static int msm_compr_volume_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| unsigned long fe_id = kcontrol->private_value; |
| |
| struct msm_compr_pdata *pdata = |
| snd_soc_platform_get_drvdata(platform); |
| uint32_t *volume = NULL; |
| |
| if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| pr_err("%s Received out of bound fe_id %lu\n", __func__, fe_id); |
| return -EINVAL; |
| } |
| |
| volume = pdata->volume[fe_id]; |
| pr_debug("%s: fe_id %lu\n", __func__, fe_id); |
| ucontrol->value.integer.value[0] = volume[0]; |
| ucontrol->value.integer.value[1] = volume[1]; |
| |
| return 0; |
| } |
| |
| static int msm_compr_audio_effects_config_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| unsigned long fe_id = kcontrol->private_value; |
| struct msm_compr_pdata *pdata = (struct msm_compr_pdata *) |
| snd_soc_platform_get_drvdata(platform); |
| struct msm_compr_audio_effects *audio_effects = NULL; |
| struct snd_compr_stream *cstream = NULL; |
| struct msm_compr_audio *prtd = NULL; |
| long *values = &(ucontrol->value.integer.value[0]); |
| int effects_module; |
| |
| pr_debug("%s\n", __func__); |
| if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| pr_err("%s Received out of bounds fe_id %lu\n", |
| __func__, fe_id); |
| return -EINVAL; |
| } |
| cstream = pdata->cstream[fe_id]; |
| audio_effects = pdata->audio_effects[fe_id]; |
| if (!cstream || !audio_effects) { |
| pr_err("%s: stream or effects inactive\n", __func__); |
| return -EINVAL; |
| } |
| prtd = cstream->runtime->private_data; |
| if (!prtd) { |
| pr_err("%s: cannot set audio effects\n", __func__); |
| return -EINVAL; |
| } |
| effects_module = *values++; |
| switch (effects_module) { |
| case VIRTUALIZER_MODULE: |
| pr_debug("%s: VIRTUALIZER_MODULE\n", __func__); |
| msm_audio_effects_virtualizer_handler(prtd->audio_client, |
| &(audio_effects->virtualizer), |
| values); |
| break; |
| case REVERB_MODULE: |
| pr_debug("%s: REVERB_MODULE\n", __func__); |
| msm_audio_effects_reverb_handler(prtd->audio_client, |
| &(audio_effects->reverb), |
| values); |
| break; |
| case BASS_BOOST_MODULE: |
| pr_debug("%s: BASS_BOOST_MODULE\n", __func__); |
| msm_audio_effects_bass_boost_handler(prtd->audio_client, |
| &(audio_effects->bass_boost), |
| values); |
| break; |
| case EQ_MODULE: |
| pr_debug("%s: EQ_MODULE\n", __func__); |
| msm_audio_effects_popless_eq_handler(prtd->audio_client, |
| &(audio_effects->equalizer), |
| values); |
| break; |
| default: |
| pr_err("%s Invalid effects config module\n", __func__); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int msm_compr_audio_effects_config_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| /* dummy function */ |
| return 0; |
| } |
| |
| static int msm_compr_dec_params_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| unsigned long fe_id = kcontrol->private_value; |
| struct msm_compr_pdata *pdata = (struct msm_compr_pdata *) |
| snd_soc_platform_get_drvdata(platform); |
| struct msm_compr_dec_params *dec_params = NULL; |
| struct snd_compr_stream *cstream = NULL; |
| struct msm_compr_audio *prtd = NULL; |
| long *values = &(ucontrol->value.integer.value[0]); |
| |
| pr_debug("%s\n", __func__); |
| if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| pr_err("%s Received out of bounds fe_id %lu\n", |
| __func__, fe_id); |
| return -EINVAL; |
| } |
| |
| cstream = pdata->cstream[fe_id]; |
| dec_params = pdata->dec_params[fe_id]; |
| |
| if (!cstream || !dec_params) { |
| pr_err("%s: stream or dec_params inactive\n", __func__); |
| return -EINVAL; |
| } |
| prtd = cstream->runtime->private_data; |
| if (!prtd) { |
| pr_err("%s: cannot set dec_params\n", __func__); |
| return -EINVAL; |
| } |
| switch (prtd->codec) { |
| case FORMAT_MP3: |
| case FORMAT_MPEG4_AAC: |
| pr_debug("%s: no runtime parameters for codec: %d\n", __func__, |
| prtd->codec); |
| break; |
| case FORMAT_AC3: |
| case FORMAT_EAC3: { |
| struct snd_dec_ddp *ddp = &dec_params->ddp_params; |
| int cnt; |
| ddp->params_length = (*values++); |
| if (ddp->params_length > DDP_DEC_MAX_NUM_PARAM) { |
| pr_err("%s: invalid num of params:: %d\n", __func__, |
| ddp->params_length); |
| return -EINVAL; |
| } |
| for (cnt = 0; cnt < ddp->params_length; cnt++) { |
| ddp->params_id[cnt] = *values++; |
| ddp->params_value[cnt] = *values++; |
| } |
| if (msm_compr_send_ddp_cfg(prtd->audio_client, ddp) < 0) |
| pr_err("%s: DDP CMD CFG failed\n", __func__); |
| break; |
| } |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| static int msm_compr_dec_params_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| /* dummy function */ |
| return 0; |
| } |
| |
| static int msm_compr_probe(struct snd_soc_platform *platform) |
| { |
| struct msm_compr_pdata *pdata; |
| int i; |
| |
| pr_debug("%s\n", __func__); |
| pdata = (struct msm_compr_pdata *) |
| kzalloc(sizeof(*pdata), GFP_KERNEL); |
| if (!pdata) |
| return -ENOMEM; |
| |
| snd_soc_platform_set_drvdata(platform, pdata); |
| |
| atomic_set(&pdata->audio_ocmem_req, 0); |
| |
| for (i = 0; i < MSM_FRONTEND_DAI_MAX; i++) { |
| pdata->volume[i][0] = COMPRESSED_LR_VOL_MAX_STEPS; |
| pdata->volume[i][1] = COMPRESSED_LR_VOL_MAX_STEPS; |
| pdata->audio_effects[i] = NULL; |
| pdata->dec_params[i] = NULL; |
| pdata->cstream[i] = NULL; |
| } |
| |
| /* |
| * use_dsp_gapless_mode part of platform data(pdata) is updated from HAL |
| * through a mixer control before compress driver is opened. The mixer |
| * control is used to decide if dsp gapless mode needs to be enabled. |
| * Gapless is disabled by default. |
| */ |
| pdata->use_dsp_gapless_mode = false; |
| return 0; |
| } |
| |
| static int msm_compr_volume_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 2; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = COMPRESSED_LR_VOL_MAX_STEPS; |
| return 0; |
| } |
| |
| static int msm_compr_audio_effects_config_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 128; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 0xFFFFFFFF; |
| return 0; |
| } |
| |
| static int msm_compr_dec_params_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 128; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 0xFFFFFFFF; |
| return 0; |
| } |
| |
| static int msm_compr_add_volume_control(struct snd_soc_pcm_runtime *rtd) |
| { |
| const char *mixer_ctl_name = "Compress Playback"; |
| const char *deviceNo = "NN"; |
| const char *suffix = "Volume"; |
| char *mixer_str = NULL; |
| int ctl_len; |
| struct snd_kcontrol_new fe_volume_control[1] = { |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "?", |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| .info = msm_compr_volume_info, |
| .tlv.p = msm_compr_vol_gain, |
| .get = msm_compr_volume_get, |
| .put = msm_compr_volume_put, |
| .private_value = 0, |
| } |
| }; |
| |
| if (!rtd) { |
| pr_err("%s NULL rtd\n", __func__); |
| return 0; |
| } |
| pr_debug("%s: added new compr FE with name %s, id %d, cpu dai %s, device no %d\n", |
| __func__, rtd->dai_link->name, rtd->dai_link->be_id, |
| rtd->dai_link->cpu_dai_name, rtd->pcm->device); |
| ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1 + |
| strlen(suffix) + 1; |
| mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| if (!mixer_str) { |
| pr_err("failed to allocate mixer ctrl str of len %d", ctl_len); |
| return 0; |
| } |
| snprintf(mixer_str, ctl_len, "%s %d %s", mixer_ctl_name, |
| rtd->pcm->device, suffix); |
| fe_volume_control[0].name = mixer_str; |
| fe_volume_control[0].private_value = rtd->dai_link->be_id; |
| pr_debug("Registering new mixer ctl %s", mixer_str); |
| snd_soc_add_platform_controls(rtd->platform, fe_volume_control, |
| ARRAY_SIZE(fe_volume_control)); |
| kfree(mixer_str); |
| return 0; |
| } |
| |
| static int msm_compr_add_audio_effects_control(struct snd_soc_pcm_runtime *rtd) |
| { |
| const char *mixer_ctl_name = "Audio Effects Config"; |
| const char *deviceNo = "NN"; |
| char *mixer_str = NULL; |
| int ctl_len; |
| struct snd_kcontrol_new fe_audio_effects_config_control[1] = { |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "?", |
| .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| .info = msm_compr_audio_effects_config_info, |
| .get = msm_compr_audio_effects_config_get, |
| .put = msm_compr_audio_effects_config_put, |
| .private_value = 0, |
| } |
| }; |
| |
| |
| if (!rtd) { |
| pr_err("%s NULL rtd\n", __func__); |
| return 0; |
| } |
| |
| pr_debug("%s: added new compr FE with name %s, id %d, cpu dai %s, device no %d\n", |
| __func__, rtd->dai_link->name, rtd->dai_link->be_id, |
| rtd->dai_link->cpu_dai_name, rtd->pcm->device); |
| |
| ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1; |
| mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| |
| if (!mixer_str) { |
| pr_err("failed to allocate mixer ctrl str of len %d", ctl_len); |
| return 0; |
| } |
| |
| snprintf(mixer_str, ctl_len, "%s %d", mixer_ctl_name, rtd->pcm->device); |
| |
| fe_audio_effects_config_control[0].name = mixer_str; |
| fe_audio_effects_config_control[0].private_value = rtd->dai_link->be_id; |
| pr_debug("Registering new mixer ctl %s\n", mixer_str); |
| snd_soc_add_platform_controls(rtd->platform, |
| fe_audio_effects_config_control, |
| ARRAY_SIZE(fe_audio_effects_config_control)); |
| kfree(mixer_str); |
| return 0; |
| } |
| |
| static int msm_compr_gapless_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| struct msm_compr_pdata *pdata = (struct msm_compr_pdata *) |
| snd_soc_platform_get_drvdata(platform); |
| pdata->use_dsp_gapless_mode = ucontrol->value.integer.value[0]; |
| pr_debug("%s: value: %ld\n", __func__, |
| ucontrol->value.integer.value[0]); |
| |
| return 0; |
| } |
| |
| static int msm_compr_gapless_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol); |
| struct msm_compr_pdata *pdata = |
| snd_soc_platform_get_drvdata(platform); |
| pr_debug("%s:gapless mode %d\n", __func__, pdata->use_dsp_gapless_mode); |
| ucontrol->value.integer.value[0] = pdata->use_dsp_gapless_mode; |
| |
| return 0; |
| } |
| |
| static const struct snd_kcontrol_new msm_compr_gapless_controls[] = { |
| SOC_SINGLE_EXT("Compress Gapless Playback", |
| 0, 0, 1, 0, |
| msm_compr_gapless_get, |
| msm_compr_gapless_put), |
| }; |
| |
| static int msm_compr_add_dec_runtime_params_control( |
| struct snd_soc_pcm_runtime *rtd) |
| { |
| const char *mixer_ctl_name = "Audio Stream"; |
| const char *deviceNo = "NN"; |
| const char *suffix = "Dec Params"; |
| char *mixer_str = NULL; |
| int ctl_len; |
| struct snd_kcontrol_new fe_dec_params_control[1] = { |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "?", |
| .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| .info = msm_compr_dec_params_info, |
| .get = msm_compr_dec_params_get, |
| .put = msm_compr_dec_params_put, |
| .private_value = 0, |
| } |
| }; |
| |
| if (!rtd) { |
| pr_err("%s NULL rtd\n", __func__); |
| return 0; |
| } |
| |
| pr_debug("%s: added new compr FE with name %s, id %d, cpu dai %s, device no %d\n", |
| __func__, rtd->dai_link->name, rtd->dai_link->be_id, |
| rtd->dai_link->cpu_dai_name, rtd->pcm->device); |
| |
| ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1 + |
| strlen(suffix) + 1; |
| mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| |
| if (!mixer_str) { |
| pr_err("failed to allocate mixer ctrl str of len %d", ctl_len); |
| return 0; |
| } |
| |
| snprintf(mixer_str, ctl_len, "%s %d %s", mixer_ctl_name, |
| rtd->pcm->device, suffix); |
| |
| fe_dec_params_control[0].name = mixer_str; |
| fe_dec_params_control[0].private_value = rtd->dai_link->be_id; |
| pr_debug("Registering new mixer ctl %s", mixer_str); |
| snd_soc_add_platform_controls(rtd->platform, |
| fe_dec_params_control, |
| ARRAY_SIZE(fe_dec_params_control)); |
| kfree(mixer_str); |
| return 0; |
| } |
| |
| static int msm_compr_new(struct snd_soc_pcm_runtime *rtd) |
| { |
| int rc; |
| |
| rc = msm_compr_add_volume_control(rtd); |
| if (rc) |
| pr_err("%s: Could not add Compr Volume Control\n", __func__); |
| rc = msm_compr_add_audio_effects_control(rtd); |
| if (rc) |
| pr_err("%s: Could not add Compr Audio Effects Control\n", |
| __func__); |
| rc = msm_compr_add_dec_runtime_params_control(rtd); |
| if (rc) |
| pr_err("%s: Could not add Compr Dec runtime params Control\n", |
| __func__); |
| return 0; |
| } |
| |
| static struct snd_compr_ops msm_compr_ops = { |
| .open = msm_compr_open, |
| .free = msm_compr_free, |
| .trigger = msm_compr_trigger, |
| .pointer = msm_compr_pointer, |
| .set_params = msm_compr_set_params, |
| .set_metadata = msm_compr_set_metadata, |
| .ack = msm_compr_ack, |
| .copy = msm_compr_copy, |
| .get_caps = msm_compr_get_caps, |
| .get_codec_caps = msm_compr_get_codec_caps, |
| }; |
| |
| static struct snd_soc_platform_driver msm_soc_platform = { |
| .probe = msm_compr_probe, |
| .compr_ops = &msm_compr_ops, |
| .pcm_new = msm_compr_new, |
| .controls = msm_compr_gapless_controls, |
| .num_controls = ARRAY_SIZE(msm_compr_gapless_controls), |
| |
| }; |
| |
| static __devinit int msm_compr_dev_probe(struct platform_device *pdev) |
| { |
| if (pdev->dev.of_node) |
| dev_set_name(&pdev->dev, "%s", "msm-compress-dsp"); |
| |
| pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev)); |
| return snd_soc_register_platform(&pdev->dev, |
| &msm_soc_platform); |
| } |
| |
| static int msm_compr_remove(struct platform_device *pdev) |
| { |
| snd_soc_unregister_platform(&pdev->dev); |
| return 0; |
| } |
| |
| static const struct of_device_id msm_compr_dt_match[] = { |
| {.compatible = "qcom,msm-compress-dsp"}, |
| {} |
| }; |
| MODULE_DEVICE_TABLE(of, msm_compr_dt_match); |
| |
| static struct platform_driver msm_compr_driver = { |
| .driver = { |
| .name = "msm-compress-dsp", |
| .owner = THIS_MODULE, |
| .of_match_table = msm_compr_dt_match, |
| }, |
| .probe = msm_compr_dev_probe, |
| .remove = __devexit_p(msm_compr_remove), |
| }; |
| |
| static int __init msm_soc_platform_init(void) |
| { |
| return platform_driver_register(&msm_compr_driver); |
| } |
| module_init(msm_soc_platform_init); |
| |
| static void __exit msm_soc_platform_exit(void) |
| { |
| platform_driver_unregister(&msm_compr_driver); |
| } |
| module_exit(msm_soc_platform_exit); |
| |
| MODULE_DESCRIPTION("Compress Offload platform driver"); |
| MODULE_LICENSE("GPL v2"); |