[v2,02/12] ASoC: SOF: Add Sound Open Firmware KControl support

Message ID	20180831151910.16122-3-liam.r.girdwood@linux.intel.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: Liam Girdwood <liam.r.girdwood@linux.intel.com> To: <alsa-devel@alsa-project.org> Date: Fri, 31 Aug 2018 16:19:00 +0100 Message-Id: <20180831151910.16122-3-liam.r.girdwood@linux.intel.com> In-Reply-To: <20180831151910.16122-1-liam.r.girdwood@linux.intel.com> References: <20180831151910.16122-1-liam.r.girdwood@linux.intel.com> Cc: Liam Girdwood <liam.r.girdwood@linux.intel.com>, Mark Brown <broonie@kernel.org> Subject: [alsa-devel] [PATCH v2 02/12] ASoC: SOF: Add Sound Open Firmware KControl support Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org
Series	Sound Open Firmware Core \| expand [v2,00/12] Sound Open Firmware Core [v2,01/12] ASoC: SOF: Add Sound Open Firmware driver core [v2,02/12] ASoC: SOF: Add Sound Open Firmware KControl support [v2,03/12] ASoC: SOF: Add driver debug support. [v2,04/12] ASoC: SOF: Add support for IPC IO between DSP and Host [v2,05/12] ASoC: SOF: Add PCM operations support [v2,06/12] ASoC: SOF: Add support for loading topologies [v2,07/12] ASoC: SOF: Add DSP firmware trace event support [v2,08/12] ASoC: SOF: Add DSP HW abstraction operations [v2,09/12] ASoC: SOF: Add firmware loader support [v2,10/12] ASoC: SOF: Add PM support [v2,11/12] ASoC: SOF: Add userspace ABI support [v2,12/12] ASoC: SOF: Add Build support for SOF core

diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c new file mode 100644 index 000000000000..03c1a980f141 --- /dev/null +++ b/sound/soc/sof/control.c @@ -0,0 +1,270 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2018 Intel Corporation. All rights reserved. +// +// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> +// + +/* Mixer Controls */ + +#include <linux/slab.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <sound/soc-topology.h> +#include <sound/soc.h> +#include <sound/control.h> +#include <uapi/sound/sof-ipc.h> +#include "sof-priv.h" + +static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size) +{ + if (value >= size) + return volume_map[size - 1]; + else + return volume_map[value]; +} + +static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size) +{ + int i; + + for (i = 0; i < size; i++) { + if (volume_map[i] >= value) + return i; + } + + return i - 1; +} + +int snd_sof_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *sm = + (struct soc_mixer_control *)kcontrol->private_value; + struct snd_sof_control *scontrol = sm->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + unsigned int i, channels = scontrol->num_channels; + int err, ret; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: volume get failed to resume %d\n", + ret); + return ret; + } + + /* get all the mixer data from DSP */ + snd_sof_ipc_get_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_GET_VALUE, + SOF_CTRL_TYPE_VALUE_CHAN_GET, + SOF_CTRL_CMD_VOLUME); + + /* read back each channel */ + for (i = 0; i < channels; i++) + ucontrol->value.integer.value[i] = + ipc_to_mixer(cdata->chanv[i].value, + scontrol->volume_table, sm->max + 1); + + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: volume get failed to idle %d\n", + err); + return 0; +} + +int snd_sof_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *sm = + (struct soc_mixer_control *)kcontrol->private_value; + struct snd_sof_control *scontrol = sm->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + unsigned int i, channels = scontrol->num_channels; + int ret, err; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: volume put failed to resume %d\n", + ret); + return ret; + } + + /* update each channel */ + for (i = 0; i < channels; i++) { + cdata->chanv[i].value = + mixer_to_ipc(ucontrol->value.integer.value[i], + scontrol->volume_table, sm->max + 1); + cdata->chanv[i].channel = i; + } + + /* notify DSP of mixer updates */ + snd_sof_ipc_set_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_SET_VALUE, + SOF_CTRL_TYPE_VALUE_CHAN_GET, + SOF_CTRL_CMD_VOLUME); + + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: volume put failed to idle %d\n", + err); + return 0; +} + +int snd_sof_enum_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_enum *se = + (struct soc_enum *)kcontrol->private_value; + struct snd_sof_control *scontrol = se->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + unsigned int i, channels = scontrol->num_channels; + int err, ret; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: enum get failed to resume %d\n", + ret); + return ret; + } + + /* get all the mixer data from DSP */ + snd_sof_ipc_get_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_GET_VALUE, + SOF_CTRL_TYPE_VALUE_CHAN_GET, + SOF_CTRL_CMD_ENUM); + + /* read back each channel */ + for (i = 0; i < channels; i++) + ucontrol->value.integer.value[i] = cdata->chanv[i].value; + + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: enum get failed to idle %d\n", + ret); + return 0; +} + +int snd_sof_enum_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_enum *se = + (struct soc_enum *)kcontrol->private_value; + struct snd_sof_control *scontrol = se->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + unsigned int i, channels = scontrol->num_channels; + int ret, err; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: enum put failed to resume %d\n", + ret); + return ret; + } + + /* update each channel */ + for (i = 0; i < channels; i++) + cdata->chanv[i].value = ucontrol->value.integer.value[i]; + + /* notify DSP of mixer updates */ + snd_sof_ipc_set_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_SET_VALUE, + SOF_CTRL_TYPE_VALUE_CHAN_SET, + SOF_CTRL_CMD_ENUM); + + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: enum put failed to idle %d\n", + err); + return 0; +} + +int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_bytes_ext *be = + (struct soc_bytes_ext *)kcontrol->private_value; + struct snd_sof_control *scontrol = be->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + struct sof_abi_hdr *data = cdata->data; + size_t size; + int ret, err; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: bytes get failed to resume %d\n", + ret); + return ret; + } + + /* get all the mixer data from DSP */ + snd_sof_ipc_get_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_GET_DATA, + SOF_CTRL_TYPE_DATA_GET, scontrol->cmd); + size = data->size + sizeof(*data); + if (size > be->max) { + dev_err(sdev->dev, "error: DSP sent %zu bytes max is %d\n", + size, be->max); + ret = -EINVAL; + goto out; + } + + /* copy back to kcontrol */ + memcpy(ucontrol->value.bytes.data, data, size); + +out: + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: bytes get failed to idle %d\n", + err); + return ret; +} + +int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_bytes_ext *be = + (struct soc_bytes_ext *)kcontrol->private_value; + struct snd_sof_control *scontrol = be->dobj.private; + struct snd_sof_dev *sdev = scontrol->sdev; + struct sof_ipc_ctrl_data *cdata = scontrol->control_data; + struct sof_abi_hdr *data = cdata->data; + int ret, err; + + ret = pm_runtime_get_sync(sdev->dev); + if (ret < 0) { + dev_err(sdev->dev, "error: bytes put failed to resume %d\n", + ret); + return ret; + } + + if (data->size > be->max) { + dev_err(sdev->dev, "error: size too big %d bytes max is %d\n", + data->size, be->max); + ret = -EINVAL; + goto out; + } + + /* copy from kcontrol */ + memcpy(data, ucontrol->value.bytes.data, data->size); + + /* notify DSP of mixer updates */ + snd_sof_ipc_set_comp_data(sdev->ipc, scontrol, SOF_IPC_COMP_SET_DATA, + SOF_CTRL_TYPE_DATA_SET, scontrol->cmd); + +out: + pm_runtime_mark_last_busy(sdev->dev); + err = pm_runtime_put_autosuspend(sdev->dev); + if (err < 0) + dev_err(sdev->dev, "error: volume get failed to idle %d\n", + err); + return ret; +}

[v2,02/12] ASoC: SOF: Add Sound Open Firmware KControl support

Commit Message

Patch