--- /dev/null
+// 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_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 *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;
+ }
+
+ 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 */
+#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));
+}
projects / users / hch / block.git / commitdiff