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ASoC: SOF: ipc3: Implement rx_msg IPC ops
Add the implementation for the rx_msg callback to handle message reception for IPC3. The implementation is equivalent to the currently used code in ipc.c Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20220405172708.122168-8-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi
Mark Brown
parent
783b5f1797
commit
74ad8ed651
1 changed files with 212 additions and 0 deletions
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@ -10,9 +10,12 @@
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#include <sound/sof/stream.h>
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#include <sound/sof/stream.h>
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#include <sound/sof/control.h>
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#include <sound/sof/control.h>
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#include "sof-priv.h"
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#include "sof-priv.h"
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#include "sof-audio.h"
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#include "ipc3-ops.h"
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#include "ipc3-ops.h"
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#include "ops.h"
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#include "ops.h"
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typedef void (*ipc3_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf);
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
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static void ipc3_log_header(struct device *dev, u8 *text, u32 cmd)
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static void ipc3_log_header(struct device *dev, u8 *text, u32 cmd)
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{
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{
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@ -472,6 +475,214 @@ static int sof_ipc3_set_get_data(struct snd_sof_dev *sdev, void *data, size_t da
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return ret;
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return ret;
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}
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}
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/* IPC stream position. */
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static void ipc3_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id)
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{
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struct snd_soc_component *scomp = sdev->component;
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struct snd_sof_pcm_stream *stream;
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struct sof_ipc_stream_posn posn;
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struct snd_sof_pcm *spcm;
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int direction, ret;
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spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
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if (!spcm) {
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dev_err(sdev->dev, "period elapsed for unknown stream, msg_id %d\n",
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msg_id);
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return;
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}
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stream = &spcm->stream[direction];
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ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
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if (ret < 0) {
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dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
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return;
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}
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dev_vdbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n",
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posn.host_posn, posn.dai_posn, posn.wallclock);
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memcpy(&stream->posn, &posn, sizeof(posn));
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if (spcm->pcm.compress)
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snd_sof_compr_fragment_elapsed(stream->cstream);
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else if (stream->substream->runtime &&
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!stream->substream->runtime->no_period_wakeup)
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/* only inform ALSA for period_wakeup mode */
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snd_sof_pcm_period_elapsed(stream->substream);
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}
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/* DSP notifies host of an XRUN within FW */
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static void ipc3_xrun(struct snd_sof_dev *sdev, u32 msg_id)
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{
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struct snd_soc_component *scomp = sdev->component;
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struct snd_sof_pcm_stream *stream;
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struct sof_ipc_stream_posn posn;
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struct snd_sof_pcm *spcm;
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int direction, ret;
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spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
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if (!spcm) {
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dev_err(sdev->dev, "XRUN for unknown stream, msg_id %d\n",
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msg_id);
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return;
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}
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stream = &spcm->stream[direction];
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ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
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if (ret < 0) {
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dev_warn(sdev->dev, "failed to read overrun position: %d\n", ret);
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return;
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}
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dev_dbg(sdev->dev, "posn XRUN: host %llx comp %d size %d\n",
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posn.host_posn, posn.xrun_comp_id, posn.xrun_size);
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#if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP)
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/* stop PCM on XRUN - used for pipeline debug */
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memcpy(&stream->posn, &posn, sizeof(posn));
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snd_pcm_stop_xrun(stream->substream);
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#endif
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}
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/* stream notifications from firmware */
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static void ipc3_stream_message(struct snd_sof_dev *sdev, void *msg_buf)
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{
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struct sof_ipc_cmd_hdr *hdr = msg_buf;
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u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
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u32 msg_id = SOF_IPC_MESSAGE_ID(hdr->cmd);
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switch (msg_type) {
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case SOF_IPC_STREAM_POSITION:
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ipc3_period_elapsed(sdev, msg_id);
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break;
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case SOF_IPC_STREAM_TRIG_XRUN:
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ipc3_xrun(sdev, msg_id);
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break;
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default:
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dev_err(sdev->dev, "unhandled stream message %#x\n",
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msg_id);
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break;
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}
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}
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/* component notifications from firmware */
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static void ipc3_comp_notification(struct snd_sof_dev *sdev, void *msg_buf)
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{
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const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
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struct sof_ipc_cmd_hdr *hdr = msg_buf;
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u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
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switch (msg_type) {
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case SOF_IPC_COMP_GET_VALUE:
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case SOF_IPC_COMP_GET_DATA:
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break;
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default:
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dev_err(sdev->dev, "unhandled component message %#x\n", msg_type);
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return;
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}
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if (tplg_ops->control->update)
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tplg_ops->control->update(sdev, msg_buf);
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}
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static void ipc3_trace_message(struct snd_sof_dev *sdev, void *msg_buf)
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{
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struct sof_ipc_cmd_hdr *hdr = msg_buf;
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u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
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switch (msg_type) {
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case SOF_IPC_TRACE_DMA_POSITION:
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snd_sof_trace_update_pos(sdev, msg_buf);
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break;
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default:
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dev_err(sdev->dev, "unhandled trace message %#x\n", msg_type);
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break;
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}
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}
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/* DSP firmware has sent host a message */
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static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev)
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{
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ipc3_rx_callback rx_callback = NULL;
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struct sof_ipc_cmd_hdr hdr;
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void *msg_buf;
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u32 cmd;
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int err;
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/* read back header */
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err = snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr));
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if (err < 0) {
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dev_warn(sdev->dev, "failed to read IPC header: %d\n", err);
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return;
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}
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if (hdr.size < sizeof(hdr)) {
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dev_err(sdev->dev, "The received message size is invalid\n");
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return;
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}
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ipc3_log_header(sdev->dev, "ipc rx", hdr.cmd);
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cmd = hdr.cmd & SOF_GLB_TYPE_MASK;
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/* check message type */
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switch (cmd) {
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case SOF_IPC_GLB_REPLY:
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dev_err(sdev->dev, "ipc reply unknown\n");
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break;
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case SOF_IPC_FW_READY:
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/* check for FW boot completion */
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if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
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err = sof_ops(sdev)->fw_ready(sdev, cmd);
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if (err < 0)
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sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
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else
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sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
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/* wake up firmware loader */
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wake_up(&sdev->boot_wait);
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}
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break;
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case SOF_IPC_GLB_COMPOUND:
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case SOF_IPC_GLB_TPLG_MSG:
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case SOF_IPC_GLB_PM_MSG:
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break;
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case SOF_IPC_GLB_COMP_MSG:
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rx_callback = ipc3_comp_notification;
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break;
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case SOF_IPC_GLB_STREAM_MSG:
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rx_callback = ipc3_stream_message;
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break;
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case SOF_IPC_GLB_TRACE_MSG:
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rx_callback = ipc3_trace_message;
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break;
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default:
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dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd);
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break;
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}
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/* read the full message */
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msg_buf = kmalloc(hdr.size, GFP_KERNEL);
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if (!msg_buf)
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return;
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err = snd_sof_ipc_msg_data(sdev, NULL, msg_buf, hdr.size);
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if (err < 0) {
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dev_err(sdev->dev, "%s: Failed to read message: %d\n", __func__, err);
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} else {
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/* Call local handler for the message */
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if (rx_callback)
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rx_callback(sdev, msg_buf);
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/* Notify registered clients */
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sof_client_ipc_rx_dispatcher(sdev, msg_buf);
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}
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kfree(msg_buf);
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ipc3_log_header(sdev->dev, "ipc rx done", hdr.cmd);
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}
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static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd)
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static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd)
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{
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{
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struct sof_ipc_pm_ctx pm_ctx = {
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struct sof_ipc_pm_ctx pm_ctx = {
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@ -506,6 +717,7 @@ const struct sof_ipc_ops ipc3_ops = {
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.pcm = &ipc3_pcm_ops,
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.pcm = &ipc3_pcm_ops,
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.tx_msg = sof_ipc3_tx_msg,
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.tx_msg = sof_ipc3_tx_msg,
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.rx_msg = sof_ipc3_rx_msg,
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.set_get_data = sof_ipc3_set_get_data,
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.set_get_data = sof_ipc3_set_get_data,
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.get_reply = sof_ipc3_get_reply,
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.get_reply = sof_ipc3_get_reply,
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};
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};
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