diff options
Diffstat (limited to 'sound/soc/intel/catpt/pcm.c')
| -rw-r--r-- | sound/soc/intel/catpt/pcm.c | 1184 |
1 files changed, 1184 insertions, 0 deletions
diff --git a/sound/soc/intel/catpt/pcm.c b/sound/soc/intel/catpt/pcm.c new file mode 100644 index 000000000..408e64e3b --- /dev/null +++ b/sound/soc/intel/catpt/pcm.c @@ -0,0 +1,1184 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2020 Intel Corporation. All rights reserved. +// +// Author: Cezary Rojewski <cezary.rojewski@intel.com> +// + +#include <linux/pm_runtime.h> +#include <sound/soc.h> +#include <sound/pcm_params.h> +#include <uapi/sound/tlv.h> +#include "core.h" +#include "messages.h" + +struct catpt_stream_template { + enum catpt_path_id path_id; + enum catpt_stream_type type; + u32 persistent_size; + u8 num_entries; + struct catpt_module_entry entries[]; +}; + +static struct catpt_stream_template system_pb = { + .path_id = CATPT_PATH_SSP0_OUT, + .type = CATPT_STRM_TYPE_SYSTEM, + .num_entries = 1, + .entries = {{ CATPT_MODID_PCM_SYSTEM, 0 }}, +}; + +static struct catpt_stream_template system_cp = { + .path_id = CATPT_PATH_SSP0_IN, + .type = CATPT_STRM_TYPE_CAPTURE, + .num_entries = 1, + .entries = {{ CATPT_MODID_PCM_CAPTURE, 0 }}, +}; + +static struct catpt_stream_template offload_pb = { + .path_id = CATPT_PATH_SSP0_OUT, + .type = CATPT_STRM_TYPE_RENDER, + .num_entries = 1, + .entries = {{ CATPT_MODID_PCM, 0 }}, +}; + +static struct catpt_stream_template loopback_cp = { + .path_id = CATPT_PATH_SSP0_OUT, + .type = CATPT_STRM_TYPE_LOOPBACK, + .num_entries = 1, + .entries = {{ CATPT_MODID_PCM_REFERENCE, 0 }}, +}; + +static struct catpt_stream_template bluetooth_pb = { + .path_id = CATPT_PATH_SSP1_OUT, + .type = CATPT_STRM_TYPE_BLUETOOTH_RENDER, + .num_entries = 1, + .entries = {{ CATPT_MODID_BLUETOOTH_RENDER, 0 }}, +}; + +static struct catpt_stream_template bluetooth_cp = { + .path_id = CATPT_PATH_SSP1_IN, + .type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE, + .num_entries = 1, + .entries = {{ CATPT_MODID_BLUETOOTH_CAPTURE, 0 }}, +}; + +static struct catpt_stream_template *catpt_topology[] = { + [CATPT_STRM_TYPE_RENDER] = &offload_pb, + [CATPT_STRM_TYPE_SYSTEM] = &system_pb, + [CATPT_STRM_TYPE_CAPTURE] = &system_cp, + [CATPT_STRM_TYPE_LOOPBACK] = &loopback_cp, + [CATPT_STRM_TYPE_BLUETOOTH_RENDER] = &bluetooth_pb, + [CATPT_STRM_TYPE_BLUETOOTH_CAPTURE] = &bluetooth_cp, +}; + +static struct catpt_stream_template * +catpt_get_stream_template(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtm = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtm, 0); + enum catpt_stream_type type; + + type = cpu_dai->driver->id; + + /* account for capture in bidirectional dais */ + switch (type) { + case CATPT_STRM_TYPE_SYSTEM: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + type = CATPT_STRM_TYPE_CAPTURE; + break; + case CATPT_STRM_TYPE_BLUETOOTH_RENDER: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE; + break; + default: + break; + }; + + return catpt_topology[type]; +} + +struct catpt_stream_runtime * +catpt_stream_find(struct catpt_dev *cdev, u8 stream_hw_id) +{ + struct catpt_stream_runtime *pos, *result = NULL; + + spin_lock(&cdev->list_lock); + list_for_each_entry(pos, &cdev->stream_list, node) { + if (pos->info.stream_hw_id == stream_hw_id) { + result = pos; + break; + } + } + + spin_unlock(&cdev->list_lock); + return result; +} + +static u32 catpt_stream_read_position(struct catpt_dev *cdev, + struct catpt_stream_runtime *stream) +{ + u32 pos; + + memcpy_fromio(&pos, cdev->lpe_ba + stream->info.read_pos_regaddr, + sizeof(pos)); + return pos; +} + +static u32 catpt_stream_volume(struct catpt_dev *cdev, + struct catpt_stream_runtime *stream, u32 channel) +{ + u32 volume, offset; + + if (channel >= CATPT_CHANNELS_MAX) + channel = 0; + + offset = stream->info.volume_regaddr[channel]; + memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume)); + return volume; +} + +static u32 catpt_mixer_volume(struct catpt_dev *cdev, + struct catpt_mixer_stream_info *info, u32 channel) +{ + u32 volume, offset; + + if (channel >= CATPT_CHANNELS_MAX) + channel = 0; + + offset = info->volume_regaddr[channel]; + memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume)); + return volume; +} + +static void catpt_arrange_page_table(struct snd_pcm_substream *substream, + struct snd_dma_buffer *pgtbl) +{ + struct snd_pcm_runtime *rtm = substream->runtime; + struct snd_dma_buffer *databuf = snd_pcm_get_dma_buf(substream); + int i, pages; + + pages = snd_sgbuf_aligned_pages(rtm->dma_bytes); + + for (i = 0; i < pages; i++) { + u32 pfn, offset; + u32 *page_table; + + pfn = PFN_DOWN(snd_sgbuf_get_addr(databuf, i * PAGE_SIZE)); + /* incrementing by 2 on even and 3 on odd */ + offset = ((i << 2) + i) >> 1; + page_table = (u32 *)(pgtbl->area + offset); + + if (i & 1) + *page_table |= (pfn << 4); + else + *page_table |= pfn; + } +} + +static u32 catpt_get_channel_map(enum catpt_channel_config config) +{ + switch (config) { + case CATPT_CHANNEL_CONFIG_MONO: + return GENMASK(31, 4) | CATPT_CHANNEL_CENTER; + + case CATPT_CHANNEL_CONFIG_STEREO: + return GENMASK(31, 8) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_RIGHT << 4); + + case CATPT_CHANNEL_CONFIG_2_POINT_1: + return GENMASK(31, 12) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_RIGHT << 4) + | (CATPT_CHANNEL_LFE << 8); + + case CATPT_CHANNEL_CONFIG_3_POINT_0: + return GENMASK(31, 12) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_CENTER << 4) + | (CATPT_CHANNEL_RIGHT << 8); + + case CATPT_CHANNEL_CONFIG_3_POINT_1: + return GENMASK(31, 16) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_CENTER << 4) + | (CATPT_CHANNEL_RIGHT << 8) + | (CATPT_CHANNEL_LFE << 12); + + case CATPT_CHANNEL_CONFIG_QUATRO: + return GENMASK(31, 16) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_RIGHT << 4) + | (CATPT_CHANNEL_LEFT_SURROUND << 8) + | (CATPT_CHANNEL_RIGHT_SURROUND << 12); + + case CATPT_CHANNEL_CONFIG_4_POINT_0: + return GENMASK(31, 16) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_CENTER << 4) + | (CATPT_CHANNEL_RIGHT << 8) + | (CATPT_CHANNEL_CENTER_SURROUND << 12); + + case CATPT_CHANNEL_CONFIG_5_POINT_0: + return GENMASK(31, 20) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_CENTER << 4) + | (CATPT_CHANNEL_RIGHT << 8) + | (CATPT_CHANNEL_LEFT_SURROUND << 12) + | (CATPT_CHANNEL_RIGHT_SURROUND << 16); + + case CATPT_CHANNEL_CONFIG_5_POINT_1: + return GENMASK(31, 24) | CATPT_CHANNEL_CENTER + | (CATPT_CHANNEL_LEFT << 4) + | (CATPT_CHANNEL_RIGHT << 8) + | (CATPT_CHANNEL_LEFT_SURROUND << 12) + | (CATPT_CHANNEL_RIGHT_SURROUND << 16) + | (CATPT_CHANNEL_LFE << 20); + + case CATPT_CHANNEL_CONFIG_DUAL_MONO: + return GENMASK(31, 8) | CATPT_CHANNEL_LEFT + | (CATPT_CHANNEL_LEFT << 4); + + default: + return U32_MAX; + } +} + +static enum catpt_channel_config catpt_get_channel_config(u32 num_channels) +{ + switch (num_channels) { + case 6: + return CATPT_CHANNEL_CONFIG_5_POINT_1; + case 5: + return CATPT_CHANNEL_CONFIG_5_POINT_0; + case 4: + return CATPT_CHANNEL_CONFIG_QUATRO; + case 3: + return CATPT_CHANNEL_CONFIG_2_POINT_1; + case 1: + return CATPT_CHANNEL_CONFIG_MONO; + case 2: + default: + return CATPT_CHANNEL_CONFIG_STEREO; + } +} + +static int catpt_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_template *template; + struct catpt_stream_runtime *stream; + struct resource *res; + int ret; + + template = catpt_get_stream_template(substream); + + stream = kzalloc(sizeof(*stream), GFP_KERNEL); + if (!stream) + return -ENOMEM; + + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, cdev->dev, PAGE_SIZE, + &stream->pgtbl); + if (ret) + goto err_pgtbl; + + res = catpt_request_region(&cdev->dram, template->persistent_size); + if (!res) { + ret = -EBUSY; + goto err_request; + } + + catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask); + + stream->template = template; + stream->persistent = res; + stream->substream = substream; + INIT_LIST_HEAD(&stream->node); + snd_soc_dai_set_dma_data(dai, substream, stream); + + spin_lock(&cdev->list_lock); + list_add_tail(&stream->node, &cdev->stream_list); + spin_unlock(&cdev->list_lock); + + return 0; + +err_request: + snd_dma_free_pages(&stream->pgtbl); +err_pgtbl: + kfree(stream); + return ret; +} + +static void catpt_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_runtime *stream; + + stream = snd_soc_dai_get_dma_data(dai, substream); + + spin_lock(&cdev->list_lock); + list_del(&stream->node); + spin_unlock(&cdev->list_lock); + + release_resource(stream->persistent); + kfree(stream->persistent); + catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask); + + snd_dma_free_pages(&stream->pgtbl); + kfree(stream); + snd_soc_dai_set_dma_data(dai, substream, NULL); +} + +static int catpt_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_runtime *stream; + struct catpt_audio_format afmt; + struct catpt_ring_info rinfo; + struct snd_pcm_runtime *rtm = substream->runtime; + struct snd_dma_buffer *dmab; + int ret; + + stream = snd_soc_dai_get_dma_data(dai, substream); + if (stream->allocated) + return 0; + + memset(&afmt, 0, sizeof(afmt)); + afmt.sample_rate = params_rate(params); + afmt.bit_depth = params_physical_width(params); + afmt.valid_bit_depth = params_width(params); + afmt.num_channels = params_channels(params); + afmt.channel_config = catpt_get_channel_config(afmt.num_channels); + afmt.channel_map = catpt_get_channel_map(afmt.channel_config); + afmt.interleaving = CATPT_INTERLEAVING_PER_CHANNEL; + + dmab = snd_pcm_get_dma_buf(substream); + catpt_arrange_page_table(substream, &stream->pgtbl); + + memset(&rinfo, 0, sizeof(rinfo)); + rinfo.page_table_addr = stream->pgtbl.addr; + rinfo.num_pages = DIV_ROUND_UP(rtm->dma_bytes, PAGE_SIZE); + rinfo.size = rtm->dma_bytes; + rinfo.offset = 0; + rinfo.ring_first_page_pfn = PFN_DOWN(snd_sgbuf_get_addr(dmab, 0)); + + ret = catpt_ipc_alloc_stream(cdev, stream->template->path_id, + stream->template->type, + &afmt, &rinfo, + stream->template->num_entries, + stream->template->entries, + stream->persistent, + cdev->scratch, + &stream->info); + if (ret) + return CATPT_IPC_ERROR(ret); + + stream->allocated = true; + return 0; +} + +static int catpt_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_runtime *stream; + + stream = snd_soc_dai_get_dma_data(dai, substream); + if (!stream->allocated) + return 0; + + catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); + catpt_ipc_free_stream(cdev, stream->info.stream_hw_id); + + stream->allocated = false; + return 0; +} + +static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol); + +static int catpt_dai_apply_usettings(struct snd_soc_dai *dai, + struct catpt_stream_runtime *stream) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct snd_soc_component *component = dai->component; + struct snd_kcontrol *pos, *kctl = NULL; + const char *name; + int ret; + u32 id = stream->info.stream_hw_id; + + /* only selected streams have individual controls */ + switch (id) { + case CATPT_PIN_ID_OFFLOAD1: + name = "Media0 Playback Volume"; + break; + case CATPT_PIN_ID_OFFLOAD2: + name = "Media1 Playback Volume"; + break; + case CATPT_PIN_ID_CAPTURE1: + name = "Mic Capture Volume"; + break; + case CATPT_PIN_ID_REFERENCE: + name = "Loopback Mute"; + break; + default: + return 0; + }; + + list_for_each_entry(pos, &component->card->snd_card->controls, list) { + if (pos->private_data == component && + !strncmp(name, pos->id.name, sizeof(pos->id.name))) { + kctl = pos; + break; + } + } + if (!kctl) + return -ENOENT; + + if (stream->template->type != CATPT_STRM_TYPE_LOOPBACK) + return catpt_set_dspvol(cdev, id, (long *)kctl->private_value); + ret = catpt_ipc_mute_loopback(cdev, id, *(bool *)kctl->private_value); + if (ret) + return CATPT_IPC_ERROR(ret); + return 0; +} + +static int catpt_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_runtime *stream; + int ret; + + stream = snd_soc_dai_get_dma_data(dai, substream); + if (stream->prepared) + return 0; + + ret = catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); + if (ret) + return CATPT_IPC_ERROR(ret); + + ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); + if (ret) + return CATPT_IPC_ERROR(ret); + + ret = catpt_dai_apply_usettings(dai, stream); + if (ret) + return ret; + + stream->prepared = true; + return 0; +} + +static int catpt_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_stream_runtime *stream; + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_uframes_t pos; + int ret; + + stream = snd_soc_dai_get_dma_data(dai, substream); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + /* only offload is set_write_pos driven */ + if (stream->template->type != CATPT_STRM_TYPE_RENDER) + goto resume_stream; + + pos = frames_to_bytes(runtime, runtime->start_threshold); + /* + * Dsp operates on buffer halves, thus max 2x set_write_pos + * (entire buffer filled) prior to stream start. + */ + ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, + pos, false, false); + if (ret) + return CATPT_IPC_ERROR(ret); + fallthrough; + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + resume_stream: + catpt_dsp_update_lpclock(cdev); + ret = catpt_ipc_resume_stream(cdev, stream->info.stream_hw_id); + if (ret) + return CATPT_IPC_ERROR(ret); + break; + + case SNDRV_PCM_TRIGGER_STOP: + stream->prepared = false; + fallthrough; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); + catpt_dsp_update_lpclock(cdev); + if (ret) + return CATPT_IPC_ERROR(ret); + break; + + default: + break; + } + + return 0; +} + +void catpt_stream_update_position(struct catpt_dev *cdev, + struct catpt_stream_runtime *stream, + struct catpt_notify_position *pos) +{ + struct snd_pcm_substream *substream = stream->substream; + struct snd_pcm_runtime *r = substream->runtime; + snd_pcm_uframes_t dsppos, newpos; + int ret; + + dsppos = bytes_to_frames(r, pos->stream_position); + + if (!stream->prepared) + goto exit; + /* only offload is set_write_pos driven */ + if (stream->template->type != CATPT_STRM_TYPE_RENDER) + goto exit; + + if (dsppos >= r->buffer_size / 2) + newpos = r->buffer_size / 2; + else + newpos = 0; + /* + * Dsp operates on buffer halves, thus on every notify position + * (buffer half consumed) update wp to allow stream progression. + */ + ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, + frames_to_bytes(r, newpos), + false, false); + if (ret) { + dev_err(cdev->dev, "update position for stream %d failed: %d\n", + stream->info.stream_hw_id, ret); + return; + } +exit: + snd_pcm_period_elapsed(substream); +} + +/* 200 ms for 2 32-bit channels at 48kHz (native format) */ +#define CATPT_BUFFER_MAX_SIZE 76800 +#define CATPT_PCM_PERIODS_MAX 4 +#define CATPT_PCM_PERIODS_MIN 2 + +static const struct snd_pcm_hardware catpt_pcm_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .period_bytes_min = PAGE_SIZE, + .period_bytes_max = CATPT_BUFFER_MAX_SIZE / CATPT_PCM_PERIODS_MIN, + .periods_min = CATPT_PCM_PERIODS_MIN, + .periods_max = CATPT_PCM_PERIODS_MAX, + .buffer_bytes_max = CATPT_BUFFER_MAX_SIZE, +}; + +static int catpt_component_pcm_construct(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtm) +{ + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + + snd_pcm_set_managed_buffer_all(rtm->pcm, SNDRV_DMA_TYPE_DEV_SG, + cdev->dev, + catpt_pcm_hardware.buffer_bytes_max, + catpt_pcm_hardware.buffer_bytes_max); + + return 0; +} + +static int catpt_component_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtm = substream->private_data; + + if (rtm->dai_link->no_pcm) + return 0; + snd_soc_set_runtime_hwparams(substream, &catpt_pcm_hardware); + return 0; +} + +static snd_pcm_uframes_t +catpt_component_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + struct catpt_stream_runtime *stream; + struct snd_soc_pcm_runtime *rtm = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtm, 0); + u32 pos; + + if (rtm->dai_link->no_pcm) + return 0; + + stream = snd_soc_dai_get_dma_data(cpu_dai, substream); + pos = catpt_stream_read_position(cdev, stream); + + return bytes_to_frames(substream->runtime, pos); +} + +static const struct snd_soc_dai_ops catpt_fe_dai_ops = { + .startup = catpt_dai_startup, + .shutdown = catpt_dai_shutdown, + .hw_params = catpt_dai_hw_params, + .hw_free = catpt_dai_hw_free, + .prepare = catpt_dai_prepare, + .trigger = catpt_dai_trigger, +}; + +static int catpt_dai_pcm_new(struct snd_soc_pcm_runtime *rtm, + struct snd_soc_dai *dai) +{ + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtm, 0); + struct catpt_dev *cdev = dev_get_drvdata(dai->dev); + struct catpt_ssp_device_format devfmt; + int ret; + + devfmt.iface = dai->driver->id; + devfmt.channels = codec_dai->driver->capture.channels_max; + + switch (devfmt.iface) { + case CATPT_SSP_IFACE_0: + devfmt.mclk = CATPT_MCLK_FREQ_24_MHZ; + + switch (devfmt.channels) { + case 4: + devfmt.mode = CATPT_SSP_MODE_TDM_PROVIDER; + devfmt.clock_divider = 4; + break; + case 2: + default: + devfmt.mode = CATPT_SSP_MODE_I2S_PROVIDER; + devfmt.clock_divider = 9; + break; + } + break; + + case CATPT_SSP_IFACE_1: + devfmt.mclk = CATPT_MCLK_OFF; + devfmt.mode = CATPT_SSP_MODE_I2S_CONSUMER; + devfmt.clock_divider = 0; + break; + } + + /* see if this is a new configuration */ + if (!memcmp(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt))) + return 0; + + pm_runtime_get_sync(cdev->dev); + + ret = catpt_ipc_set_device_format(cdev, &devfmt); + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + if (ret) + return CATPT_IPC_ERROR(ret); + + /* store device format set for given SSP */ + memcpy(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt)); + return 0; +} + +static struct snd_soc_dai_driver dai_drivers[] = { +/* FE DAIs */ +{ + .name = "System Pin", + .id = CATPT_STRM_TYPE_SYSTEM, + .ops = &catpt_fe_dai_ops, + .playback = { + .stream_name = "System Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, + .capture = { + .stream_name = "Analog Capture", + .channels_min = 2, + .channels_max = 4, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, +}, +{ + .name = "Offload0 Pin", + .id = CATPT_STRM_TYPE_RENDER, + .ops = &catpt_fe_dai_ops, + .playback = { + .stream_name = "Offload0 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, +}, +{ + .name = "Offload1 Pin", + .id = CATPT_STRM_TYPE_RENDER, + .ops = &catpt_fe_dai_ops, + .playback = { + .stream_name = "Offload1 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, +}, +{ + .name = "Loopback Pin", + .id = CATPT_STRM_TYPE_LOOPBACK, + .ops = &catpt_fe_dai_ops, + .capture = { + .stream_name = "Loopback Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, +}, +{ + .name = "Bluetooth Pin", + .id = CATPT_STRM_TYPE_BLUETOOTH_RENDER, + .ops = &catpt_fe_dai_ops, + .playback = { + .stream_name = "Bluetooth Playback", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "Bluetooth Capture", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +/* BE DAIs */ +{ + .name = "ssp0-port", + .id = CATPT_SSP_IFACE_0, + .pcm_new = catpt_dai_pcm_new, + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "ssp1-port", + .id = CATPT_SSP_IFACE_1, + .pcm_new = catpt_dai_pcm_new, + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +}; + +#define DSP_VOLUME_MAX S32_MAX /* 0db */ +#define DSP_VOLUME_STEP_MAX 30 + +static u32 ctlvol_to_dspvol(u32 value) +{ + if (value > DSP_VOLUME_STEP_MAX) + value = 0; + return DSP_VOLUME_MAX >> (DSP_VOLUME_STEP_MAX - value); +} + +static u32 dspvol_to_ctlvol(u32 volume) +{ + if (volume > DSP_VOLUME_MAX) + return DSP_VOLUME_STEP_MAX; + return volume ? __fls(volume) : 0; +} + +static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol) +{ + u32 dspvol; + int ret, i; + + for (i = 1; i < CATPT_CHANNELS_MAX; i++) + if (ctlvol[i] != ctlvol[0]) + break; + + if (i == CATPT_CHANNELS_MAX) { + dspvol = ctlvol_to_dspvol(ctlvol[0]); + + ret = catpt_ipc_set_volume(cdev, stream_id, + CATPT_ALL_CHANNELS_MASK, dspvol, + 0, CATPT_AUDIO_CURVE_NONE); + } else { + for (i = 0; i < CATPT_CHANNELS_MAX; i++) { + dspvol = ctlvol_to_dspvol(ctlvol[i]); + + ret = catpt_ipc_set_volume(cdev, stream_id, + i, dspvol, + 0, CATPT_AUDIO_CURVE_NONE); + if (ret) + break; + } + } + + if (ret) + return CATPT_IPC_ERROR(ret); + return 0; +} + +static int catpt_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = CATPT_CHANNELS_MAX; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = DSP_VOLUME_STEP_MAX; + return 0; +} + +static int catpt_mixer_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + u32 dspvol; + int i; + + pm_runtime_get_sync(cdev->dev); + + for (i = 0; i < CATPT_CHANNELS_MAX; i++) { + dspvol = catpt_mixer_volume(cdev, &cdev->mixer, i); + ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); + } + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + return 0; +} + +static int catpt_mixer_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + int ret; + + pm_runtime_get_sync(cdev->dev); + + ret = catpt_set_dspvol(cdev, cdev->mixer.mixer_hw_id, + ucontrol->value.integer.value); + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + return ret; +} + +static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, + enum catpt_pin_id pin_id) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + struct catpt_stream_runtime *stream; + long *ctlvol = (long *)kcontrol->private_value; + u32 dspvol; + int i; + + stream = catpt_stream_find(cdev, pin_id); + if (!stream) { + for (i = 0; i < CATPT_CHANNELS_MAX; i++) + ucontrol->value.integer.value[i] = ctlvol[i]; + return 0; + } + + pm_runtime_get_sync(cdev->dev); + + for (i = 0; i < CATPT_CHANNELS_MAX; i++) { + dspvol = catpt_stream_volume(cdev, stream, i); + ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); + } + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + return 0; +} + +static int catpt_stream_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, + enum catpt_pin_id pin_id) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + struct catpt_stream_runtime *stream; + long *ctlvol = (long *)kcontrol->private_value; + int ret, i; + + stream = catpt_stream_find(cdev, pin_id); + if (!stream) { + for (i = 0; i < CATPT_CHANNELS_MAX; i++) + ctlvol[i] = ucontrol->value.integer.value[i]; + return 0; + } + + pm_runtime_get_sync(cdev->dev); + + ret = catpt_set_dspvol(cdev, stream->info.stream_hw_id, + ucontrol->value.integer.value); + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + if (ret) + return ret; + + for (i = 0; i < CATPT_CHANNELS_MAX; i++) + ctlvol[i] = ucontrol->value.integer.value[i]; + return 0; +} + +static int catpt_offload1_volume_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); +} + +static int catpt_offload1_volume_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); +} + +static int catpt_offload2_volume_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); +} + +static int catpt_offload2_volume_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); +} + +static int catpt_capture_volume_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_CAPTURE1); +} + +static int catpt_capture_volume_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_CAPTURE1); +} + +static int catpt_loopback_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = *(bool *)kcontrol->private_value; + return 0; +} + +static int catpt_loopback_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct catpt_dev *cdev = dev_get_drvdata(component->dev); + struct catpt_stream_runtime *stream; + bool mute; + int ret; + + mute = (bool)ucontrol->value.integer.value[0]; + stream = catpt_stream_find(cdev, CATPT_PIN_ID_REFERENCE); + if (!stream) { + *(bool *)kcontrol->private_value = mute; + return 0; + } + + pm_runtime_get_sync(cdev->dev); + + ret = catpt_ipc_mute_loopback(cdev, stream->info.stream_hw_id, mute); + + pm_runtime_mark_last_busy(cdev->dev); + pm_runtime_put_autosuspend(cdev->dev); + + if (ret) + return CATPT_IPC_ERROR(ret); + + *(bool *)kcontrol->private_value = mute; + return 0; +} + +static int catpt_waves_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return 0; +} + +static int catpt_waves_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return 0; +} + +static int catpt_waves_param_get(struct snd_kcontrol *kcontrol, + unsigned int __user *bytes, + unsigned int size) +{ + return 0; +} + +static int catpt_waves_param_put(struct snd_kcontrol *kcontrol, + const unsigned int __user *bytes, + unsigned int size) +{ + return 0; +} + +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(catpt_volume_tlv, -9000, 300, 1); + +#define CATPT_VOLUME_CTL(kname, sname) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = (kname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ + SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .info = catpt_volume_info, \ + .get = catpt_##sname##_volume_get, \ + .put = catpt_##sname##_volume_put, \ + .tlv.p = catpt_volume_tlv, \ + .private_value = (unsigned long) \ + &(long[CATPT_CHANNELS_MAX]) {0} } + +static const struct snd_kcontrol_new component_kcontrols[] = { +/* Master volume (mixer stream) */ +CATPT_VOLUME_CTL("Master Playback Volume", mixer), +/* Individual volume controls for offload and capture */ +CATPT_VOLUME_CTL("Media0 Playback Volume", offload1), +CATPT_VOLUME_CTL("Media1 Playback Volume", offload2), +CATPT_VOLUME_CTL("Mic Capture Volume", capture), +SOC_SINGLE_BOOL_EXT("Loopback Mute", (unsigned long)&(bool[1]) {0}, + catpt_loopback_switch_get, catpt_loopback_switch_put), +/* Enable or disable WAVES module */ +SOC_SINGLE_BOOL_EXT("Waves Switch", 0, + catpt_waves_switch_get, catpt_waves_switch_put), +/* WAVES module parameter control */ +SND_SOC_BYTES_TLV("Waves Set Param", 128, + catpt_waves_param_get, catpt_waves_param_put), +}; + +static const struct snd_soc_dapm_widget component_widgets[] = { + SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_route component_routes[] = { + {"Playback VMixer", NULL, "System Playback"}, + {"Playback VMixer", NULL, "Offload0 Playback"}, + {"Playback VMixer", NULL, "Offload1 Playback"}, + + {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, + + {"Analog Capture", NULL, "SSP0 CODEC IN"}, + {"Loopback Capture", NULL, "SSP0 CODEC IN"}, + + {"SSP1 BT OUT", NULL, "Bluetooth Playback"}, + {"Bluetooth Capture", NULL, "SSP1 BT IN"}, +}; + +static const struct snd_soc_component_driver catpt_comp_driver = { + .name = "catpt-platform", + + .pcm_construct = catpt_component_pcm_construct, + .open = catpt_component_open, + .pointer = catpt_component_pointer, + + .controls = component_kcontrols, + .num_controls = ARRAY_SIZE(component_kcontrols), + .dapm_widgets = component_widgets, + .num_dapm_widgets = ARRAY_SIZE(component_widgets), + .dapm_routes = component_routes, + .num_dapm_routes = ARRAY_SIZE(component_routes), +}; + +int catpt_arm_stream_templates(struct catpt_dev *cdev) +{ + struct resource *res; + u32 scratch_size = 0; + int i, j; + + for (i = 0; i < ARRAY_SIZE(catpt_topology); i++) { + struct catpt_stream_template *template; + struct catpt_module_entry *entry; + struct catpt_module_type *type; + + template = catpt_topology[i]; + template->persistent_size = 0; + + for (j = 0; j < template->num_entries; j++) { + entry = &template->entries[j]; + type = &cdev->modules[entry->module_id]; + + if (!type->loaded) + return -ENOENT; + + entry->entry_point = type->entry_point; + template->persistent_size += type->persistent_size; + if (type->scratch_size > scratch_size) + scratch_size = type->scratch_size; + } + } + + if (scratch_size) { + /* allocate single scratch area for all modules */ + res = catpt_request_region(&cdev->dram, scratch_size); + if (!res) + return -EBUSY; + cdev->scratch = res; + } + + return 0; +} + +int catpt_register_plat_component(struct catpt_dev *cdev) +{ + struct snd_soc_component *component; + int ret; + + component = devm_kzalloc(cdev->dev, sizeof(*component), GFP_KERNEL); + if (!component) + return -ENOMEM; + + ret = snd_soc_component_initialize(component, &catpt_comp_driver, + cdev->dev); + if (ret) + return ret; + + component->name = catpt_comp_driver.name; + return snd_soc_add_component(component, dai_drivers, + ARRAY_SIZE(dai_drivers)); +} |