From 85d0f881471531ffb081711b13df32b1f6f1f637 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Tue, 5 Apr 2022 10:27:04 -0700
Subject: [PATCH] ASoC: SOF: ipc: Switch over to use the tx_msg and set_get_data ops
Git-commit: 85d0f881471531ffb081711b13df32b1f6f1f637
Patch-mainline: v5.19-rc1
References: jsc#PED-850
Use the new ops for sending messages and to handle large component data
set get operation.
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/20220405172708.122168-12-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/sof/ipc.c | 301 ++++----------------------------------------
1 file changed, 23 insertions(+), 278 deletions(-)
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index 39ec4361048a..05c1ba0c2206 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -24,20 +24,6 @@ typedef void (*ipc_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf);
static void ipc_trace_message(struct snd_sof_dev *sdev, void *msg_buf);
static void ipc_stream_message(struct snd_sof_dev *sdev, void *msg_buf);
-/*
- * IPC message Tx/Rx message handling.
- */
-
-struct sof_ipc_ctrl_data_params {
- size_t msg_bytes;
- size_t hdr_bytes;
- size_t pl_size;
- size_t elems;
- u32 num_msg;
- u8 *src;
- u8 *dst;
-};
-
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
{
@@ -242,104 +228,6 @@ static inline void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
}
#endif
-/* wait for IPC message reply */
-static int tx_wait_done(struct snd_sof_ipc *ipc, struct snd_sof_ipc_msg *msg,
- void *reply_data)
-{
- struct snd_sof_dev *sdev = ipc->sdev;
- struct sof_ipc_cmd_hdr *hdr = msg->msg_data;
- int ret;
-
- /* wait for DSP IPC completion */
- ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
- msecs_to_jiffies(sdev->ipc_timeout));
-
- if (ret == 0) {
- dev_err(sdev->dev,
- "ipc tx timed out for %#x (msg/reply size: %d/%zu)\n",
- hdr->cmd, hdr->size, msg->reply_size);
- snd_sof_handle_fw_exception(ipc->sdev);
- ret = -ETIMEDOUT;
- } else {
- ret = msg->reply_error;
- if (ret < 0) {
- dev_err(sdev->dev,
- "ipc tx error for %#x (msg/reply size: %d/%zu): %d\n",
- hdr->cmd, hdr->size, msg->reply_size, ret);
- } else {
- ipc_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd);
- if (msg->reply_size)
- /* copy the data returned from DSP */
- memcpy(reply_data, msg->reply_data,
- msg->reply_size);
- }
-
- /* re-enable dumps after successful IPC tx */
- if (sdev->ipc_dump_printed) {
- sdev->dbg_dump_printed = false;
- sdev->ipc_dump_printed = false;
- }
- }
-
- return ret;
-}
-
-/* send IPC message from host to DSP */
-static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc,
- void *msg_data, size_t msg_bytes,
- void *reply_data, size_t reply_bytes)
-{
- struct sof_ipc_cmd_hdr *hdr = msg_data;
- struct snd_sof_dev *sdev = ipc->sdev;
- struct snd_sof_ipc_msg *msg;
- int ret;
-
- if (!msg_data || msg_bytes < sizeof(*hdr)) {
- dev_err_ratelimited(sdev->dev, "No IPC message to send\n");
- return -EINVAL;
- }
-
- if (ipc->disable_ipc_tx || sdev->fw_state != SOF_FW_BOOT_COMPLETE)
- return -ENODEV;
-
- /*
- * The spin-lock is also still needed to protect message objects against
- * other atomic contexts.
- */
- spin_lock_irq(&sdev->ipc_lock);
-
- /* initialise the message */
- msg = &ipc->msg;
-
- /* attach message data */
- msg->msg_data = msg_data;
- msg->msg_size = msg_bytes;
-
- msg->reply_size = reply_bytes;
- msg->reply_error = 0;
-
- sdev->msg = msg;
-
- ret = snd_sof_dsp_send_msg(sdev, msg);
- /* Next reply that we receive will be related to this message */
- if (!ret)
- msg->ipc_complete = false;
-
- spin_unlock_irq(&sdev->ipc_lock);
-
- if (ret) {
- dev_err_ratelimited(sdev->dev,
- "error: ipc tx failed with error %d\n",
- ret);
- return ret;
- }
-
- ipc_log_header(sdev->dev, "ipc tx", hdr->cmd);
-
- /* now wait for completion */
- return tx_wait_done(ipc, msg, reply_data);
-}
-
/**
* sof_ipc_send_msg - generic function to prepare and send one IPC message
* @sdev: pointer to SOF core device struct
@@ -397,20 +285,12 @@ int sof_ipc_send_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
int sof_ipc_tx_message(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes,
void *reply_data, size_t reply_bytes)
{
- const struct sof_dsp_power_state target_state = {
- .state = SOF_DSP_PM_D0,
- };
- int ret;
-
- /* ensure the DSP is in D0 before sending a new IPC */
- ret = snd_sof_dsp_set_power_state(ipc->sdev, &target_state);
- if (ret < 0) {
- dev_err(ipc->sdev->dev, "error: resuming DSP %d\n", ret);
- return ret;
- }
+ if (msg_bytes > ipc->max_payload_size ||
+ reply_bytes > ipc->max_payload_size)
+ return -ENOBUFS;
- return sof_ipc_tx_message_no_pm(ipc, msg_data, msg_bytes,
- reply_data, reply_bytes);
+ return ipc->ops->tx_msg(ipc->sdev, msg_data, msg_bytes, reply_data,
+ reply_bytes, false);
}
EXPORT_SYMBOL(sof_ipc_tx_message);
@@ -422,21 +302,12 @@ EXPORT_SYMBOL(sof_ipc_tx_message);
int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes,
void *reply_data, size_t reply_bytes)
{
- int ret;
-
if (msg_bytes > ipc->max_payload_size ||
reply_bytes > ipc->max_payload_size)
return -ENOBUFS;
- /* Serialise IPC TX */
- mutex_lock(&ipc->tx_mutex);
-
- ret = sof_ipc_tx_message_unlocked(ipc, msg_data, msg_bytes,
- reply_data, reply_bytes);
-
- mutex_unlock(&ipc->tx_mutex);
-
- return ret;
+ return ipc->ops->tx_msg(ipc->sdev, msg_data, msg_bytes, reply_data,
+ reply_bytes, true);
}
EXPORT_SYMBOL(sof_ipc_tx_message_no_pm);
@@ -718,103 +589,6 @@ int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
}
EXPORT_SYMBOL(snd_sof_ipc_stream_posn);
-static int sof_get_ctrl_copy_params(enum sof_ipc_ctrl_type ctrl_type,
- struct sof_ipc_ctrl_data *src,
- struct sof_ipc_ctrl_data *dst,
- struct sof_ipc_ctrl_data_params *sparams)
-{
- switch (ctrl_type) {
- case SOF_CTRL_TYPE_VALUE_CHAN_GET:
- case SOF_CTRL_TYPE_VALUE_CHAN_SET:
- sparams->src = (u8 *)src->chanv;
- sparams->dst = (u8 *)dst->chanv;
- break;
- case SOF_CTRL_TYPE_DATA_GET:
- case SOF_CTRL_TYPE_DATA_SET:
- sparams->src = (u8 *)src->data->data;
- sparams->dst = (u8 *)dst->data->data;
- break;
- default:
- return -EINVAL;
- }
-
- /* calculate payload size and number of messages */
- sparams->pl_size = SOF_IPC_MSG_MAX_SIZE - sparams->hdr_bytes;
- sparams->num_msg = DIV_ROUND_UP(sparams->msg_bytes, sparams->pl_size);
-
- return 0;
-}
-
-static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev,
- struct sof_ipc_ctrl_data *cdata,
- struct sof_ipc_ctrl_data_params *sparams,
- bool set)
-{
- struct sof_ipc_ctrl_data *partdata;
- size_t send_bytes;
- size_t offset = 0;
- size_t msg_bytes;
- size_t pl_size;
- int err;
- int i;
-
- /* allocate max ipc size because we have at least one */
- partdata = kzalloc(SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
- if (!partdata)
- return -ENOMEM;
-
- if (set)
- err = sof_get_ctrl_copy_params(cdata->type, cdata, partdata,
- sparams);
- else
- err = sof_get_ctrl_copy_params(cdata->type, partdata, cdata,
- sparams);
- if (err < 0) {
- kfree(partdata);
- return err;
- }
-
- msg_bytes = sparams->msg_bytes;
- pl_size = sparams->pl_size;
-
- /* copy the header data */
- memcpy(partdata, cdata, sparams->hdr_bytes);
-
- /* Serialise IPC TX */
- mutex_lock(&sdev->ipc->tx_mutex);
-
- /* copy the payload data in a loop */
- for (i = 0; i < sparams->num_msg; i++) {
- send_bytes = min(msg_bytes, pl_size);
- partdata->num_elems = send_bytes;
- partdata->rhdr.hdr.size = sparams->hdr_bytes + send_bytes;
- partdata->msg_index = i;
- msg_bytes -= send_bytes;
- partdata->elems_remaining = msg_bytes;
-
- if (set)
- memcpy(sparams->dst, sparams->src + offset, send_bytes);
-
- err = sof_ipc_tx_message_unlocked(sdev->ipc,
- partdata,
- partdata->rhdr.hdr.size,
- partdata,
- partdata->rhdr.hdr.size);
- if (err < 0)
- break;
-
- if (!set)
- memcpy(sparams->dst + offset, sparams->src, send_bytes);
-
- offset += pl_size;
- }
-
- mutex_unlock(&sdev->ipc->tx_mutex);
-
- kfree(partdata);
- return err;
-}
-
/*
* IPC get()/set() for kcontrols.
*/
@@ -823,14 +597,11 @@ int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, bool set)
struct snd_soc_component *scomp = scontrol->scomp;
struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
- struct sof_ipc_fw_version *v = &ready->version;
- struct sof_ipc_ctrl_data_params sparams;
+ const struct sof_ipc_ops *iops = sdev->ipc->ops;
enum sof_ipc_ctrl_type ctrl_type;
struct snd_sof_widget *swidget;
bool widget_found = false;
- u32 ipc_cmd;
- int err;
+ u32 ipc_cmd, msg_bytes;
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->comp_id == scontrol->comp_id) {
@@ -840,7 +611,8 @@ int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, bool set)
}
if (!widget_found) {
- dev_err(sdev->dev, "error: can't find widget with id %d\n", scontrol->comp_id);
+ dev_err(sdev->dev, "%s: can't find widget with id %d\n", __func__,
+ scontrol->comp_id);
return -EINVAL;
}
@@ -875,55 +647,28 @@ int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, bool set)
switch (cdata->type) {
case SOF_CTRL_TYPE_VALUE_CHAN_GET:
case SOF_CTRL_TYPE_VALUE_CHAN_SET:
- sparams.msg_bytes = scontrol->num_channels *
- sizeof(struct sof_ipc_ctrl_value_chan);
- sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data);
- sparams.elems = scontrol->num_channels;
+ cdata->num_elems = scontrol->num_channels;
+
+ msg_bytes = scontrol->num_channels *
+ sizeof(struct sof_ipc_ctrl_value_chan);
+ msg_bytes += sizeof(struct sof_ipc_ctrl_data);
break;
case SOF_CTRL_TYPE_DATA_GET:
case SOF_CTRL_TYPE_DATA_SET:
- sparams.msg_bytes = cdata->data->size;
- sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data) +
- sizeof(struct sof_abi_hdr);
- sparams.elems = cdata->data->size;
+ cdata->num_elems = cdata->data->size;
+
+ msg_bytes = cdata->data->size;
+ msg_bytes += sizeof(struct sof_ipc_ctrl_data) +
+ sizeof(struct sof_abi_hdr);
break;
default:
return -EINVAL;
}
- cdata->rhdr.hdr.size = sparams.msg_bytes + sparams.hdr_bytes;
- cdata->num_elems = sparams.elems;
+ cdata->rhdr.hdr.size = msg_bytes;
cdata->elems_remaining = 0;
- /* send normal size ipc in one part */
- if (cdata->rhdr.hdr.size <= SOF_IPC_MSG_MAX_SIZE) {
- err = sof_ipc_tx_message(sdev->ipc, cdata, cdata->rhdr.hdr.size,
- cdata, cdata->rhdr.hdr.size);
-
- if (err < 0)
- dev_err(sdev->dev, "error: set/get ctrl ipc comp %d\n",
- cdata->comp_id);
-
- return err;
- }
-
- /* data is bigger than max ipc size, chop into smaller pieces */
- dev_dbg(sdev->dev, "large ipc size %u, control size %u\n",
- cdata->rhdr.hdr.size, scontrol->size);
-
- /* large messages is only supported from ABI 3.3.0 onwards */
- if (v->abi_version < SOF_ABI_VER(3, 3, 0)) {
- dev_err(sdev->dev, "error: incompatible FW ABI version\n");
- return -EINVAL;
- }
-
- err = sof_set_get_large_ctrl_data(sdev, cdata, &sparams, set);
-
- if (err < 0)
- dev_err(sdev->dev, "error: set/get large ctrl ipc comp %d\n",
- cdata->comp_id);
-
- return err;
+ return iops->set_get_data(sdev, cdata, cdata->rhdr.hdr.size, set);
}
EXPORT_SYMBOL(snd_sof_ipc_set_get_comp_data);
--
2.35.3