mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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404 lines
11 KiB
C
404 lines
11 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2018 Intel Corporation. All rights reserved.
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//
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// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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//
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/* Mixer Controls */
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#include <linux/pm_runtime.h>
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#include <linux/leds.h>
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#include "sof-priv.h"
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static void update_mute_led(struct snd_sof_control *scontrol,
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struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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unsigned int temp = 0;
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unsigned int mask;
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int i;
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mask = 1U << snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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for (i = 0; i < scontrol->num_channels; i++) {
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if (ucontrol->value.integer.value[i]) {
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temp |= mask;
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break;
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}
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}
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if (temp == scontrol->led_ctl.led_value)
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return;
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scontrol->led_ctl.led_value = temp;
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#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO)
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if (!scontrol->led_ctl.direction)
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ledtrig_audio_set(LED_AUDIO_MUTE, temp ? LED_OFF : LED_ON);
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else
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ledtrig_audio_set(LED_AUDIO_MICMUTE, temp ? LED_OFF : LED_ON);
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#endif
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}
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static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
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{
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if (value >= size)
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return volume_map[size - 1];
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return volume_map[value];
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}
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static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
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{
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int i;
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for (i = 0; i < size; i++) {
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if (volume_map[i] >= value)
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return i;
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}
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return i - 1;
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}
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int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *sm =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct snd_sof_control *scontrol = sm->dobj.private;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.integer.value[i] =
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ipc_to_mixer(cdata->chanv[i].value,
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scontrol->volume_table, sm->max + 1);
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return 0;
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}
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int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *sm =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct snd_sof_control *scontrol = sm->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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bool change = false;
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u32 value;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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value = mixer_to_ipc(ucontrol->value.integer.value[i],
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scontrol->volume_table, sm->max + 1);
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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/* notify DSP of mixer updates */
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if (pm_runtime_active(sdev->dev))
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snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
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SOF_IPC_COMP_SET_VALUE,
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SOF_CTRL_TYPE_VALUE_CHAN_GET,
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SOF_CTRL_CMD_VOLUME,
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true);
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return change;
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}
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int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *sm =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct snd_sof_control *scontrol = sm->dobj.private;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.integer.value[i] = cdata->chanv[i].value;
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return 0;
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}
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int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *sm =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct snd_sof_control *scontrol = sm->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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bool change = false;
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u32 value;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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value = ucontrol->value.integer.value[i];
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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if (scontrol->led_ctl.use_led)
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update_mute_led(scontrol, kcontrol, ucontrol);
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/* notify DSP of mixer updates */
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if (pm_runtime_active(sdev->dev))
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snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
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SOF_IPC_COMP_SET_VALUE,
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SOF_CTRL_TYPE_VALUE_CHAN_GET,
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SOF_CTRL_CMD_SWITCH,
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true);
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return change;
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}
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int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_enum *se =
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(struct soc_enum *)kcontrol->private_value;
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struct snd_sof_control *scontrol = se->dobj.private;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
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return 0;
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}
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int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_enum *se =
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(struct soc_enum *)kcontrol->private_value;
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struct snd_sof_control *scontrol = se->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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unsigned int i, channels = scontrol->num_channels;
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bool change = false;
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u32 value;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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value = ucontrol->value.enumerated.item[i];
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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/* notify DSP of enum updates */
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if (pm_runtime_active(sdev->dev))
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snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
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SOF_IPC_COMP_SET_VALUE,
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SOF_CTRL_TYPE_VALUE_CHAN_GET,
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SOF_CTRL_CMD_ENUM,
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true);
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return change;
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}
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int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_bytes_ext *be =
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(struct soc_bytes_ext *)kcontrol->private_value;
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struct snd_sof_control *scontrol = be->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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struct sof_abi_hdr *data = cdata->data;
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size_t size;
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int ret = 0;
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if (be->max > sizeof(ucontrol->value.bytes.data)) {
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dev_err_ratelimited(sdev->dev,
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"error: data max %d exceeds ucontrol data array size\n",
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be->max);
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return -EINVAL;
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}
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size = data->size + sizeof(*data);
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if (size > be->max) {
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dev_err_ratelimited(sdev->dev,
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"error: DSP sent %zu bytes max is %d\n",
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size, be->max);
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ret = -EINVAL;
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goto out;
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}
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/* copy back to kcontrol */
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memcpy(ucontrol->value.bytes.data, data, size);
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out:
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return ret;
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}
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int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_bytes_ext *be =
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(struct soc_bytes_ext *)kcontrol->private_value;
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struct snd_sof_control *scontrol = be->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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struct sof_abi_hdr *data = cdata->data;
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size_t size = data->size + sizeof(*data);
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if (be->max > sizeof(ucontrol->value.bytes.data)) {
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dev_err_ratelimited(sdev->dev,
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"error: data max %d exceeds ucontrol data array size\n",
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be->max);
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return -EINVAL;
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}
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if (size > be->max) {
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dev_err_ratelimited(sdev->dev,
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"error: size too big %zu bytes max is %d\n",
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size, be->max);
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return -EINVAL;
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}
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/* copy from kcontrol */
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memcpy(data, ucontrol->value.bytes.data, size);
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/* notify DSP of byte control updates */
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if (pm_runtime_active(sdev->dev))
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snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
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SOF_IPC_COMP_SET_DATA,
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SOF_CTRL_TYPE_DATA_SET,
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scontrol->cmd,
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true);
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return 0;
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}
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int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
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const unsigned int __user *binary_data,
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unsigned int size)
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{
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struct soc_bytes_ext *be =
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(struct soc_bytes_ext *)kcontrol->private_value;
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struct snd_sof_control *scontrol = be->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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struct snd_ctl_tlv header;
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const struct snd_ctl_tlv __user *tlvd =
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(const struct snd_ctl_tlv __user *)binary_data;
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/*
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* The beginning of bytes data contains a header from where
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* the length (as bytes) is needed to know the correct copy
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* length of data from tlvd->tlv.
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*/
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if (copy_from_user(&header, tlvd, sizeof(const struct snd_ctl_tlv)))
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return -EFAULT;
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/* be->max is coming from topology */
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if (header.length > be->max) {
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dev_err_ratelimited(sdev->dev, "error: Bytes data size %d exceeds max %d.\n",
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header.length, be->max);
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return -EINVAL;
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}
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/* Check that header id matches the command */
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if (header.numid != scontrol->cmd) {
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dev_err_ratelimited(sdev->dev,
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"error: incorrect numid %d\n",
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header.numid);
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return -EINVAL;
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}
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if (copy_from_user(cdata->data, tlvd->tlv, header.length))
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return -EFAULT;
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if (cdata->data->magic != SOF_ABI_MAGIC) {
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dev_err_ratelimited(sdev->dev,
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"error: Wrong ABI magic 0x%08x.\n",
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cdata->data->magic);
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return -EINVAL;
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}
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if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) {
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dev_err_ratelimited(sdev->dev, "error: Incompatible ABI version 0x%08x.\n",
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cdata->data->abi);
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return -EINVAL;
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}
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if (cdata->data->size + sizeof(const struct sof_abi_hdr) > be->max) {
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dev_err_ratelimited(sdev->dev, "error: Mismatch in ABI data size (truncated?).\n");
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return -EINVAL;
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}
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/* notify DSP of byte control updates */
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if (pm_runtime_active(sdev->dev))
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snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
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SOF_IPC_COMP_SET_DATA,
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SOF_CTRL_TYPE_DATA_SET,
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scontrol->cmd,
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true);
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return 0;
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}
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int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
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unsigned int __user *binary_data,
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unsigned int size)
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{
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struct soc_bytes_ext *be =
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(struct soc_bytes_ext *)kcontrol->private_value;
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struct snd_sof_control *scontrol = be->dobj.private;
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struct snd_sof_dev *sdev = scontrol->sdev;
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struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
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struct snd_ctl_tlv header;
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struct snd_ctl_tlv __user *tlvd =
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(struct snd_ctl_tlv __user *)binary_data;
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int data_size;
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int ret = 0;
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/*
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* Decrement the limit by ext bytes header size to
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* ensure the user space buffer is not exceeded.
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*/
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size -= sizeof(const struct snd_ctl_tlv);
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/* set the ABI header values */
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cdata->data->magic = SOF_ABI_MAGIC;
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cdata->data->abi = SOF_ABI_VERSION;
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/* Prevent read of other kernel data or possibly corrupt response */
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data_size = cdata->data->size + sizeof(const struct sof_abi_hdr);
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/* check data size doesn't exceed max coming from topology */
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if (data_size > be->max) {
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dev_err_ratelimited(sdev->dev, "error: user data size %d exceeds max size %d.\n",
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data_size, be->max);
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ret = -EINVAL;
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goto out;
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}
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header.numid = scontrol->cmd;
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header.length = data_size;
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if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv))) {
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ret = -EFAULT;
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goto out;
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}
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if (copy_to_user(tlvd->tlv, cdata->data, data_size))
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ret = -EFAULT;
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out:
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return ret;
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}
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