diff options
Diffstat (limited to 'sound/soc/sof/ipc3-control.c')
| -rw-r--r-- | sound/soc/sof/ipc3-control.c | 90 |
1 files changed, 28 insertions, 62 deletions
diff --git a/sound/soc/sof/ipc3-control.c b/sound/soc/sof/ipc3-control.c index 217ac5501a98..ad040e7bb850 100644 --- a/sound/soc/sof/ipc3-control.c +++ b/sound/soc/sof/ipc3-control.c @@ -104,7 +104,7 @@ unlock: return ret; } -static void snd_sof_refresh_control(struct snd_sof_control *scontrol) +static void sof_ipc3_refresh_control(struct snd_sof_control *scontrol) { struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; struct snd_soc_component *scomp = scontrol->scomp; @@ -138,7 +138,7 @@ static int sof_ipc3_volume_get(struct snd_sof_control *scontrol, unsigned int channels = scontrol->num_channels; unsigned int i; - snd_sof_refresh_control(scontrol); + sof_ipc3_refresh_control(scontrol); /* read back each channel */ for (i = 0; i < channels; i++) @@ -189,7 +189,7 @@ static int sof_ipc3_switch_get(struct snd_sof_control *scontrol, unsigned int channels = scontrol->num_channels; unsigned int i; - snd_sof_refresh_control(scontrol); + sof_ipc3_refresh_control(scontrol); /* read back each channel */ for (i = 0; i < channels; i++) @@ -237,7 +237,7 @@ static int sof_ipc3_enum_get(struct snd_sof_control *scontrol, unsigned int channels = scontrol->num_channels; unsigned int i; - snd_sof_refresh_control(scontrol); + sof_ipc3_refresh_control(scontrol); /* read back each channel */ for (i = 0; i < channels; i++) @@ -286,7 +286,7 @@ static int sof_ipc3_bytes_get(struct snd_sof_control *scontrol, struct sof_abi_hdr *data = cdata->data; size_t size; - snd_sof_refresh_control(scontrol); + sof_ipc3_refresh_control(scontrol); if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) { dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n", @@ -343,55 +343,6 @@ 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) @@ -457,16 +408,15 @@ static int sof_ipc3_bytes_ext_put(struct snd_sof_control *scontrol, return 0; } -static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol, - const unsigned int __user *binary_data, - unsigned int size) +static int _sof_ipc3_bytes_ext_get(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, + unsigned int size, bool from_dsp) { 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 @@ -482,9 +432,12 @@ static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol, cdata->data->abi = SOF_ABI_VERSION; /* get all the component data from DSP */ - ret = sof_ipc3_set_get_kcontrol_data(scontrol, false, true); - if (ret < 0) - return ret; + if (from_dsp) { + int ret = sof_ipc3_set_get_kcontrol_data(scontrol, false, true); + + 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)) { @@ -508,7 +461,20 @@ static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol, if (copy_to_user(tlvd->tlv, cdata->data, data_size)) return -EFAULT; - return ret; + return 0; +} + +static int sof_ipc3_bytes_ext_get(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, unsigned int size) +{ + return _sof_ipc3_bytes_ext_get(scontrol, binary_data, size, false); +} + +static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol, + const unsigned int __user *binary_data, + unsigned int size) +{ + return _sof_ipc3_bytes_ext_get(scontrol, binary_data, size, true); } static void snd_sof_update_control(struct snd_sof_control *scontrol, |