[PATCH v8 06/14] ASoC: Intel: catpt: PCM operations
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Wed Sep 23 15:54:22 CEST 2020
On Wed, Sep 23, 2020 at 02:25:00PM +0200, Cezary Rojewski wrote:
> DSP designed for Lynxpoint and Wildcat Point offers no dynamic topology
> i.e. all pipelines are already defined within firmware and host is
> relegated to allocing stream for predefined pins. This is represented by
> 'catpt_topology' member.
>
> Implementation covers all available pin types:
> - system playback and capture
> - two offload streams
> - loopback (reference)
> - bluetooth playback and capture
>
> PCM DAI operations differentiate between those pins as some (mainly
> offload) are to be handled differently - DSP expects wp updates on each
> notify_position notification.
>
> System playback has no volume control capability as it is routed to
> mixer stream directly. Other primary streams - capture and two offloads
> - offer individual volume controls.
>
> Compared to sound/soc/intel/haswell this configures SSP device format
> automatically on pcm creation.
>
> Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
> ---
> sound/soc/intel/catpt/core.h | 8 +
> sound/soc/intel/catpt/ipc.c | 37 +
> sound/soc/intel/catpt/loader.c | 6 +
> sound/soc/intel/catpt/pcm.c | 1211 ++++++++++++++++++++++++++++++++
> 4 files changed, 1262 insertions(+)
> create mode 100644 sound/soc/intel/catpt/pcm.c
>
> diff --git a/sound/soc/intel/catpt/core.h b/sound/soc/intel/catpt/core.h
> index 260e5ae94a2c..a29b4c0232cb 100644
> --- a/sound/soc/intel/catpt/core.h
> +++ b/sound/soc/intel/catpt/core.h
> @@ -175,4 +175,12 @@ struct catpt_stream_runtime {
> struct list_head node;
> };
>
> +int catpt_register_plat_component(struct catpt_dev *cdev);
> +void catpt_stream_update_position(struct catpt_dev *cdev,
> + struct catpt_stream_runtime *stream,
> + struct catpt_notify_position *pos);
> +struct catpt_stream_runtime *
> +catpt_stream_find(struct catpt_dev *cdev, u8 stream_hw_id);
> +int catpt_arm_stream_templates(struct catpt_dev *cdev);
> +
> #endif
> diff --git a/sound/soc/intel/catpt/ipc.c b/sound/soc/intel/catpt/ipc.c
> index d5edf3eebdf8..e4569be02bbc 100644
> --- a/sound/soc/intel/catpt/ipc.c
> +++ b/sound/soc/intel/catpt/ipc.c
> @@ -138,6 +138,42 @@ int catpt_dsp_send_msg(struct catpt_dev *cdev, struct catpt_ipc_msg request,
> cdev->ipc.default_timeout);
> }
>
> +static void
> +catpt_dsp_notify_stream(struct catpt_dev *cdev, union catpt_notify_msg msg)
> +{
> + struct catpt_stream_runtime *stream;
> + struct catpt_notify_position pos;
> + struct catpt_notify_glitch glitch;
> +
> + stream = catpt_stream_find(cdev, msg.stream_hw_id);
> + if (!stream) {
> + dev_warn(cdev->dev, "notify %d for non-existent stream %d\n",
> + msg.notify_reason, msg.stream_hw_id);
> + return;
> + }
> +
> + switch (msg.notify_reason) {
> + case CATPT_NOTIFY_POSITION_CHANGED:
> + memcpy_fromio(&pos, catpt_inbox_addr(cdev), sizeof(pos));
> +
> + catpt_stream_update_position(cdev, stream, &pos);
> + break;
> +
> + case CATPT_NOTIFY_GLITCH_OCCURRED:
> + memcpy_fromio(&glitch, catpt_inbox_addr(cdev), sizeof(glitch));
> +
> + dev_warn(cdev->dev, "glitch %d at pos: 0x%08llx, wp: 0x%08x\n",
> + glitch.type, glitch.presentation_pos,
> + glitch.write_pos);
> + break;
> +
> + default:
> + dev_warn(cdev->dev, "unknown notification: %d received\n",
> + msg.notify_reason);
> + break;
> + }
> +}
> +
> static void catpt_dsp_copy_rx(struct catpt_dev *cdev, u32 header)
> {
> struct catpt_ipc *ipc = &cdev->ipc;
> @@ -177,6 +213,7 @@ static void catpt_dsp_process_response(struct catpt_dev *cdev, u32 header)
> case CATPT_GLB_STREAM_MESSAGE:
> switch (msg.stream_msg_type) {
> case CATPT_STRM_NOTIFICATION:
> + catpt_dsp_notify_stream(cdev, msg);
> break;
> default:
> catpt_dsp_copy_rx(cdev, header);
> diff --git a/sound/soc/intel/catpt/loader.c b/sound/soc/intel/catpt/loader.c
> index 473e842e9901..8a5f20abcadb 100644
> --- a/sound/soc/intel/catpt/loader.c
> +++ b/sound/soc/intel/catpt/loader.c
> @@ -658,6 +658,12 @@ int catpt_first_boot_firmware(struct catpt_dev *cdev)
> if (ret)
> return CATPT_IPC_ERROR(ret);
>
> + ret = catpt_arm_stream_templates(cdev);
> + if (ret) {
> + dev_err(cdev->dev, "arm templates failed: %d\n", ret);
> + return ret;
> + }
> +
> /* update dram pg for scratch and restricted regions */
> catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask);
>
> diff --git a/sound/soc/intel/catpt/pcm.c b/sound/soc/intel/catpt/pcm.c
> new file mode 100644
> index 000000000000..bf8941ea0490
> --- /dev/null
> +++ b/sound/soc/intel/catpt/pcm.c
> @@ -0,0 +1,1211 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +//
> +// Copyright(c) 2020 Intel Corporation. All rights reserved.
> +//
> +// Author: Cezary Rojewski <cezary.rojewski at 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);
In all cases outer parentheses are not needed. Also I expected to see DUAL MONO
case here, rather than below.
> + 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_dsp_update_lpclock(cdev);
> + if (ret)
> + return 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:
> + 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;
> + catpt_dsp_update_lpclock(cdev);
> + fallthrough;
> + case SNDRV_PCM_TRIGGER_SUSPEND:
> + case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
> + ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id);
> + 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);
> +
> + /* 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 *rtd)
> +{
> + struct catpt_dev *cdev = dev_get_drvdata(component->dev);
> +
> + snd_pcm_set_managed_buffer_all(rtd->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 *rtd,
> + struct snd_soc_dai *dai)
> +{
> + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 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;
> + }
> +
> + ret = catpt_ipc_set_device_format(cdev, &devfmt);
> + 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 */
> +static const u32 volume_map[] = {
> + DSP_VOLUME_MAX >> 30,
> + DSP_VOLUME_MAX >> 29,
> + DSP_VOLUME_MAX >> 28,
> + DSP_VOLUME_MAX >> 27,
> + DSP_VOLUME_MAX >> 26,
> + DSP_VOLUME_MAX >> 25,
> + DSP_VOLUME_MAX >> 24,
> + DSP_VOLUME_MAX >> 23,
> + DSP_VOLUME_MAX >> 22,
> + DSP_VOLUME_MAX >> 21,
> + DSP_VOLUME_MAX >> 20,
> + DSP_VOLUME_MAX >> 19,
> + DSP_VOLUME_MAX >> 18,
> + DSP_VOLUME_MAX >> 17,
> + DSP_VOLUME_MAX >> 16,
> + DSP_VOLUME_MAX >> 15,
> + DSP_VOLUME_MAX >> 14,
> + DSP_VOLUME_MAX >> 13,
> + DSP_VOLUME_MAX >> 12,
> + DSP_VOLUME_MAX >> 11,
> + DSP_VOLUME_MAX >> 10,
> + DSP_VOLUME_MAX >> 9,
> + DSP_VOLUME_MAX >> 8,
> + DSP_VOLUME_MAX >> 7,
> + DSP_VOLUME_MAX >> 6,
> + DSP_VOLUME_MAX >> 5,
> + DSP_VOLUME_MAX >> 4,
> + DSP_VOLUME_MAX >> 3,
> + DSP_VOLUME_MAX >> 2,
> + DSP_VOLUME_MAX >> 1,
> + DSP_VOLUME_MAX >> 0,
> +};
Why not to get rid of this table completely?
> +static u32 ctlvol_to_dspvol(u32 value)
> +{
> + if (value >= ARRAY_SIZE(volume_map))
> + value = 0;
> + return volume_map[value];
if (value > 30)
value = 0;
return DSP_VOLUME_MAX >> (30 - value);
> +}
> +
> +static u32 dspvol_to_ctlvol(u32 volume)
> +{
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(volume_map); i++)
> + if (volume_map[i] >= volume)
> + return i;
> + return i - 1;
fls() ?
> +}
> +
> +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 = ARRAY_SIZE(volume_map) - 1;
> + 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));
> +}
> --
> 2.17.1
>
--
With Best Regards,
Andy Shevchenko
More information about the Alsa-devel
mailing list