Define and set the get/put/volatile_get control IPC ops for byte controls for IPC3.
Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/control.c | 197 +++-------------------------------- sound/soc/sof/ipc3-control.c | 171 ++++++++++++++++++++++++++++++ 2 files changed, 188 insertions(+), 180 deletions(-)
diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c index 2a4997e1cd1e..de1778c4002b 100644 --- a/sound/soc/sof/control.c +++ b/sound/soc/sof/control.c @@ -45,33 +45,6 @@ static void update_mute_led(struct snd_sof_control *scontrol, #endif }
-static void snd_sof_refresh_control(struct snd_sof_control *scontrol) -{ - struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; - struct snd_soc_component *scomp = scontrol->scomp; - int ret; - - if (!scontrol->comp_data_dirty) - return; - - if (!pm_runtime_active(scomp->dev)) - return; - - /* set the ABI header values */ - cdata->data->magic = SOF_ABI_MAGIC; - cdata->data->abi = SOF_ABI_VERSION; - - /* refresh the component data from DSP */ - scontrol->comp_data_dirty = false; - ret = snd_sof_ipc_set_get_comp_data(scontrol, false); - if (ret < 0) { - dev_err(scomp->dev, "Failed to get control data: %d\n", ret); - - /* Set the flag to re-try next time to get the data */ - scontrol->comp_data_dirty = true; - } -} - int snd_sof_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -221,74 +194,18 @@ int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, const unsigned int __user *binary_data, unsigned int size) { - struct soc_bytes_ext *be = - (struct soc_bytes_ext *)kcontrol->private_value; + struct soc_bytes_ext *be = (struct soc_bytes_ext *)kcontrol->private_value; struct snd_sof_control *scontrol = be->dobj.private; struct snd_soc_component *scomp = scontrol->scomp; - struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; - struct snd_ctl_tlv header; - const struct snd_ctl_tlv __user *tlvd = - (const struct snd_ctl_tlv __user *)binary_data; + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
/* make sure we have at least a header */ if (size < sizeof(struct snd_ctl_tlv)) return -EINVAL;
- /* - * The beginning of bytes data contains a header from where - * the length (as bytes) is needed to know the correct copy - * length of data from tlvd->tlv. - */ - if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv))) - return -EFAULT; - - /* make sure TLV info is consistent */ - if (header.length + sizeof(struct snd_ctl_tlv) > size) { - dev_err_ratelimited(scomp->dev, "error: inconsistent TLV, data %d + header %zu > %d\n", - header.length, sizeof(struct snd_ctl_tlv), size); - return -EINVAL; - } - - /* be->max is coming from topology */ - if (header.length > be->max) { - dev_err_ratelimited(scomp->dev, "error: Bytes data size %d exceeds max %d.\n", - header.length, be->max); - return -EINVAL; - } - - /* Check that header id matches the command */ - if (header.numid != cdata->cmd) { - dev_err_ratelimited(scomp->dev, - "error: incorrect numid %d\n", - header.numid); - return -EINVAL; - } - - if (copy_from_user(cdata->data, tlvd->tlv, header.length)) - return -EFAULT; - - if (cdata->data->magic != SOF_ABI_MAGIC) { - dev_err_ratelimited(scomp->dev, - "error: Wrong ABI magic 0x%08x.\n", - cdata->data->magic); - return -EINVAL; - } - - if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) { - dev_err_ratelimited(scomp->dev, "error: Incompatible ABI version 0x%08x.\n", - cdata->data->abi); - return -EINVAL; - } - - /* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */ - if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { - dev_err_ratelimited(scomp->dev, "error: Mismatch in ABI data size (truncated?).\n"); - return -EINVAL; - } - - /* notify DSP of byte control updates */ - if (pm_runtime_active(scomp->dev)) - snd_sof_ipc_set_get_comp_data(scontrol, true); + if (tplg_ops->control->bytes_ext_put) + return tplg_ops->control->bytes_ext_put(scontrol, binary_data, size);
return 0; } @@ -299,67 +216,24 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _ struct soc_bytes_ext *be = (struct soc_bytes_ext *)kcontrol->private_value; struct snd_sof_control *scontrol = be->dobj.private; struct snd_soc_component *scomp = scontrol->scomp; - struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; - struct snd_ctl_tlv header; - struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data; - size_t data_size; - int ret; - int err; - - /* - * Decrement the limit by ext bytes header size to - * ensure the user space buffer is not exceeded. - */ - if (size < sizeof(struct snd_ctl_tlv)) - return -ENOSPC; - size -= sizeof(struct snd_ctl_tlv); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; + int ret, err;
ret = pm_runtime_get_sync(scomp->dev); if (ret < 0 && ret != -EACCES) { - dev_err_ratelimited(scomp->dev, "error: bytes_ext get failed to resume %d\n", ret); + dev_err_ratelimited(scomp->dev, "%s: failed to resume %d\n", __func__, ret); pm_runtime_put_noidle(scomp->dev); return ret; }
- /* set the ABI header values */ - cdata->data->magic = SOF_ABI_MAGIC; - cdata->data->abi = SOF_ABI_VERSION; - /* get all the component data from DSP */ - ret = snd_sof_ipc_set_get_comp_data(scontrol, false); - if (ret < 0) - goto out; - - /* check data size doesn't exceed max coming from topology */ - if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { - dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n", - cdata->data->size, - be->max - sizeof(struct sof_abi_hdr)); - ret = -EINVAL; - goto out; - } - - data_size = cdata->data->size + sizeof(struct sof_abi_hdr); + if (tplg_ops->control->bytes_ext_volatile_get) + ret = tplg_ops->control->bytes_ext_volatile_get(scontrol, binary_data, size);
- /* make sure we don't exceed size provided by user space for data */ - if (data_size > size) { - ret = -ENOSPC; - goto out; - } - - header.numid = cdata->cmd; - header.length = data_size; - if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) { - ret = -EFAULT; - goto out; - } - - if (copy_to_user(tlvd->tlv, cdata->data, data_size)) - ret = -EFAULT; -out: pm_runtime_mark_last_busy(scomp->dev); err = pm_runtime_put_autosuspend(scomp->dev); if (err < 0) - dev_err_ratelimited(scomp->dev, "error: bytes_ext get failed to idle %d\n", err); + dev_err_ratelimited(scomp->dev, "%s: failed to idle %d\n", __func__, err);
return ret; } @@ -368,51 +242,14 @@ int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, unsigned int size) { - struct soc_bytes_ext *be = - (struct soc_bytes_ext *)kcontrol->private_value; + struct soc_bytes_ext *be = (struct soc_bytes_ext *)kcontrol->private_value; struct snd_sof_control *scontrol = be->dobj.private; struct snd_soc_component *scomp = scontrol->scomp; - struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; - struct snd_ctl_tlv header; - struct snd_ctl_tlv __user *tlvd = - (struct snd_ctl_tlv __user *)binary_data; - size_t data_size; - - snd_sof_refresh_control(scontrol); - - /* - * Decrement the limit by ext bytes header size to - * ensure the user space buffer is not exceeded. - */ - if (size < sizeof(struct snd_ctl_tlv)) - return -ENOSPC; - size -= sizeof(struct snd_ctl_tlv); - - /* set the ABI header values */ - cdata->data->magic = SOF_ABI_MAGIC; - cdata->data->abi = SOF_ABI_VERSION; - - /* check data size doesn't exceed max coming from topology */ - if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { - dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n", - cdata->data->size, - be->max - sizeof(struct sof_abi_hdr)); - return -EINVAL; - } - - data_size = cdata->data->size + sizeof(struct sof_abi_hdr); - - /* make sure we don't exceed size provided by user space for data */ - if (data_size > size) - return -ENOSPC; - - header.numid = cdata->cmd; - header.length = data_size; - if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) - return -EFAULT; + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
- if (copy_to_user(tlvd->tlv, cdata->data, data_size)) - return -EFAULT; + if (tplg_ops->control->bytes_ext_get) + return tplg_ops->control->bytes_ext_get(scontrol, binary_data, size);
return 0; } diff --git a/sound/soc/sof/ipc3-control.c b/sound/soc/sof/ipc3-control.c index df8e4df9663d..cdd5ad860a94 100644 --- a/sound/soc/sof/ipc3-control.c +++ b/sound/soc/sof/ipc3-control.c @@ -270,6 +270,174 @@ static int sof_ipc3_bytes_put(struct snd_sof_control *scontrol, return 0; }
+static int sof_ipc3_bytes_ext_get(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, unsigned int size) +{ + struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data; + struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; + struct snd_soc_component *scomp = scontrol->scomp; + struct snd_ctl_tlv header; + size_t data_size; + + snd_sof_refresh_control(scontrol); + + /* + * Decrement the limit by ext bytes header size to + * ensure the user space buffer is not exceeded. + */ + if (size < sizeof(struct snd_ctl_tlv)) + return -ENOSPC; + + size -= sizeof(struct snd_ctl_tlv); + + /* set the ABI header values */ + cdata->data->magic = SOF_ABI_MAGIC; + cdata->data->abi = SOF_ABI_VERSION; + + /* check data size doesn't exceed max coming from topology */ + if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) { + dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n", + cdata->data->size, + scontrol->max_size - sizeof(struct sof_abi_hdr)); + return -EINVAL; + } + + data_size = cdata->data->size + sizeof(struct sof_abi_hdr); + + /* make sure we don't exceed size provided by user space for data */ + if (data_size > size) + return -ENOSPC; + + header.numid = cdata->cmd; + header.length = data_size; + if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) + return -EFAULT; + + if (copy_to_user(tlvd->tlv, cdata->data, data_size)) + return -EFAULT; + + return 0; +} + +static int sof_ipc3_bytes_ext_put(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, + unsigned int size) +{ + const struct snd_ctl_tlv __user *tlvd = (const struct snd_ctl_tlv __user *)binary_data; + struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; + struct snd_soc_component *scomp = scontrol->scomp; + struct snd_ctl_tlv header; + + /* + * The beginning of bytes data contains a header from where + * the length (as bytes) is needed to know the correct copy + * length of data from tlvd->tlv. + */ + if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv))) + return -EFAULT; + + /* make sure TLV info is consistent */ + if (header.length + sizeof(struct snd_ctl_tlv) > size) { + dev_err_ratelimited(scomp->dev, "Inconsistent TLV, data %d + header %zu > %d\n", + header.length, sizeof(struct snd_ctl_tlv), size); + return -EINVAL; + } + + /* be->max is coming from topology */ + if (header.length > scontrol->max_size) { + dev_err_ratelimited(scomp->dev, "Bytes data size %d exceeds max %zu\n", + header.length, scontrol->max_size); + return -EINVAL; + } + + /* Check that header id matches the command */ + if (header.numid != cdata->cmd) { + dev_err_ratelimited(scomp->dev, "Incorrect command for bytes put %d\n", + header.numid); + return -EINVAL; + } + + if (copy_from_user(cdata->data, tlvd->tlv, header.length)) + return -EFAULT; + + if (cdata->data->magic != SOF_ABI_MAGIC) { + dev_err_ratelimited(scomp->dev, "Wrong ABI magic 0x%08x\n", cdata->data->magic); + return -EINVAL; + } + + if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) { + dev_err_ratelimited(scomp->dev, "Incompatible ABI version 0x%08x\n", + cdata->data->abi); + return -EINVAL; + } + + /* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */ + if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) { + dev_err_ratelimited(scomp->dev, "Mismatch in ABI data size (truncated?)\n"); + return -EINVAL; + } + + /* notify DSP of byte control updates */ + if (pm_runtime_active(scomp->dev)) + return snd_sof_ipc_set_get_comp_data(scontrol, true); + + return 0; +} + +static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, + unsigned int size) +{ + struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data; + struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; + struct snd_soc_component *scomp = scontrol->scomp; + struct snd_ctl_tlv header; + size_t data_size; + int ret; + + /* + * Decrement the limit by ext bytes header size to + * ensure the user space buffer is not exceeded. + */ + if (size < sizeof(struct snd_ctl_tlv)) + return -ENOSPC; + + size -= sizeof(struct snd_ctl_tlv); + + /* set the ABI header values */ + cdata->data->magic = SOF_ABI_MAGIC; + cdata->data->abi = SOF_ABI_VERSION; + + /* get all the component data from DSP */ + ret = snd_sof_ipc_set_get_comp_data(scontrol, false); + if (ret < 0) + return ret; + + /* check data size doesn't exceed max coming from topology */ + if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) { + dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n", + cdata->data->size, + scontrol->max_size - sizeof(struct sof_abi_hdr)); + return -EINVAL; + } + + data_size = cdata->data->size + sizeof(struct sof_abi_hdr); + + /* make sure we don't exceed size provided by user space for data */ + if (data_size > size) + return -ENOSPC; + + header.numid = cdata->cmd; + header.length = data_size; + if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) + return -EFAULT; + + if (copy_to_user(tlvd->tlv, cdata->data, data_size)) + return -EFAULT; + + return ret; +} + static void snd_sof_update_control(struct snd_sof_control *scontrol, struct sof_ipc_ctrl_data *cdata) { @@ -419,5 +587,8 @@ const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops = { .enum_get = sof_ipc3_enum_get, .bytes_put = sof_ipc3_bytes_put, .bytes_get = sof_ipc3_bytes_get, + .bytes_ext_put = sof_ipc3_bytes_ext_put, + .bytes_ext_get = sof_ipc3_bytes_ext_get, + .bytes_ext_volatile_get = sof_ipc3_bytes_ext_volatile_get, .update = sof_ipc3_control_update, };