1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
13 #include <linux/pm_runtime.h>
14 #include <linux/leds.h>
16 #include "sof-audio.h"
18 static void update_mute_led(struct snd_sof_control *scontrol,
19 struct snd_kcontrol *kcontrol,
20 struct snd_ctl_elem_value *ucontrol)
22 unsigned int temp = 0;
26 mask = 1U << snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
28 for (i = 0; i < scontrol->num_channels; i++) {
29 if (ucontrol->value.integer.value[i]) {
35 if (temp == scontrol->led_ctl.led_value)
38 scontrol->led_ctl.led_value = temp;
40 #if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO)
41 if (!scontrol->led_ctl.direction)
42 ledtrig_audio_set(LED_AUDIO_MUTE, temp ? LED_OFF : LED_ON);
44 ledtrig_audio_set(LED_AUDIO_MICMUTE, temp ? LED_OFF : LED_ON);
48 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
51 return volume_map[size - 1];
53 return volume_map[value];
56 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
60 for (i = 0; i < size; i++) {
61 if (volume_map[i] >= value)
68 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
69 struct snd_ctl_elem_value *ucontrol)
71 struct soc_mixer_control *sm =
72 (struct soc_mixer_control *)kcontrol->private_value;
73 struct snd_sof_control *scontrol = sm->dobj.private;
74 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
75 unsigned int i, channels = scontrol->num_channels;
77 /* read back each channel */
78 for (i = 0; i < channels; i++)
79 ucontrol->value.integer.value[i] =
80 ipc_to_mixer(cdata->chanv[i].value,
81 scontrol->volume_table, sm->max + 1);
86 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
87 struct snd_ctl_elem_value *ucontrol)
89 struct soc_mixer_control *sm =
90 (struct soc_mixer_control *)kcontrol->private_value;
91 struct snd_sof_control *scontrol = sm->dobj.private;
92 struct snd_soc_component *scomp = scontrol->scomp;
93 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
94 unsigned int i, channels = scontrol->num_channels;
98 /* update each channel */
99 for (i = 0; i < channels; i++) {
100 value = mixer_to_ipc(ucontrol->value.integer.value[i],
101 scontrol->volume_table, sm->max + 1);
102 change = change || (value != cdata->chanv[i].value);
103 cdata->chanv[i].channel = i;
104 cdata->chanv[i].value = value;
107 /* notify DSP of mixer updates */
108 if (pm_runtime_active(scomp->dev))
109 snd_sof_ipc_set_get_comp_data(scontrol,
110 SOF_IPC_COMP_SET_VALUE,
111 SOF_CTRL_TYPE_VALUE_CHAN_GET,
117 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
118 struct snd_ctl_elem_value *ucontrol)
120 struct soc_mixer_control *sm =
121 (struct soc_mixer_control *)kcontrol->private_value;
122 struct snd_sof_control *scontrol = sm->dobj.private;
123 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
124 unsigned int i, channels = scontrol->num_channels;
126 /* read back each channel */
127 for (i = 0; i < channels; i++)
128 ucontrol->value.integer.value[i] = cdata->chanv[i].value;
133 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
134 struct snd_ctl_elem_value *ucontrol)
136 struct soc_mixer_control *sm =
137 (struct soc_mixer_control *)kcontrol->private_value;
138 struct snd_sof_control *scontrol = sm->dobj.private;
139 struct snd_soc_component *scomp = scontrol->scomp;
140 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
141 unsigned int i, channels = scontrol->num_channels;
145 /* update each channel */
146 for (i = 0; i < channels; i++) {
147 value = ucontrol->value.integer.value[i];
148 change = change || (value != cdata->chanv[i].value);
149 cdata->chanv[i].channel = i;
150 cdata->chanv[i].value = value;
153 if (scontrol->led_ctl.use_led)
154 update_mute_led(scontrol, kcontrol, ucontrol);
156 /* notify DSP of mixer updates */
157 if (pm_runtime_active(scomp->dev))
158 snd_sof_ipc_set_get_comp_data(scontrol,
159 SOF_IPC_COMP_SET_VALUE,
160 SOF_CTRL_TYPE_VALUE_CHAN_GET,
167 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
168 struct snd_ctl_elem_value *ucontrol)
170 struct soc_enum *se =
171 (struct soc_enum *)kcontrol->private_value;
172 struct snd_sof_control *scontrol = se->dobj.private;
173 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
174 unsigned int i, channels = scontrol->num_channels;
176 /* read back each channel */
177 for (i = 0; i < channels; i++)
178 ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
183 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
184 struct snd_ctl_elem_value *ucontrol)
186 struct soc_enum *se =
187 (struct soc_enum *)kcontrol->private_value;
188 struct snd_sof_control *scontrol = se->dobj.private;
189 struct snd_soc_component *scomp = scontrol->scomp;
190 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
191 unsigned int i, channels = scontrol->num_channels;
195 /* update each channel */
196 for (i = 0; i < channels; i++) {
197 value = ucontrol->value.enumerated.item[i];
198 change = change || (value != cdata->chanv[i].value);
199 cdata->chanv[i].channel = i;
200 cdata->chanv[i].value = value;
203 /* notify DSP of enum updates */
204 if (pm_runtime_active(scomp->dev))
205 snd_sof_ipc_set_get_comp_data(scontrol,
206 SOF_IPC_COMP_SET_VALUE,
207 SOF_CTRL_TYPE_VALUE_CHAN_GET,
214 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
215 struct snd_ctl_elem_value *ucontrol)
217 struct soc_bytes_ext *be =
218 (struct soc_bytes_ext *)kcontrol->private_value;
219 struct snd_sof_control *scontrol = be->dobj.private;
220 struct snd_soc_component *scomp = scontrol->scomp;
221 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
222 struct sof_abi_hdr *data = cdata->data;
226 if (be->max > sizeof(ucontrol->value.bytes.data)) {
227 dev_err_ratelimited(scomp->dev,
228 "error: data max %d exceeds ucontrol data array size\n",
233 size = data->size + sizeof(*data);
234 if (size > be->max) {
235 dev_err_ratelimited(scomp->dev,
236 "error: DSP sent %zu bytes max is %d\n",
242 /* copy back to kcontrol */
243 memcpy(ucontrol->value.bytes.data, data, size);
249 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
250 struct snd_ctl_elem_value *ucontrol)
252 struct soc_bytes_ext *be =
253 (struct soc_bytes_ext *)kcontrol->private_value;
254 struct snd_sof_control *scontrol = be->dobj.private;
255 struct snd_soc_component *scomp = scontrol->scomp;
256 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
257 struct sof_abi_hdr *data = cdata->data;
258 size_t size = data->size + sizeof(*data);
260 if (be->max > sizeof(ucontrol->value.bytes.data)) {
261 dev_err_ratelimited(scomp->dev,
262 "error: data max %d exceeds ucontrol data array size\n",
267 if (size > be->max) {
268 dev_err_ratelimited(scomp->dev,
269 "error: size too big %zu bytes max is %d\n",
274 /* copy from kcontrol */
275 memcpy(data, ucontrol->value.bytes.data, size);
277 /* notify DSP of byte control updates */
278 if (pm_runtime_active(scomp->dev))
279 snd_sof_ipc_set_get_comp_data(scontrol,
280 SOF_IPC_COMP_SET_DATA,
281 SOF_CTRL_TYPE_DATA_SET,
288 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
289 const unsigned int __user *binary_data,
292 struct soc_bytes_ext *be =
293 (struct soc_bytes_ext *)kcontrol->private_value;
294 struct snd_sof_control *scontrol = be->dobj.private;
295 struct snd_soc_component *scomp = scontrol->scomp;
296 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
297 struct snd_ctl_tlv header;
298 const struct snd_ctl_tlv __user *tlvd =
299 (const struct snd_ctl_tlv __user *)binary_data;
302 * The beginning of bytes data contains a header from where
303 * the length (as bytes) is needed to know the correct copy
304 * length of data from tlvd->tlv.
306 if (copy_from_user(&header, tlvd, sizeof(const struct snd_ctl_tlv)))
309 /* be->max is coming from topology */
310 if (header.length > be->max) {
311 dev_err_ratelimited(scomp->dev, "error: Bytes data size %d exceeds max %d.\n",
312 header.length, be->max);
316 /* Check that header id matches the command */
317 if (header.numid != scontrol->cmd) {
318 dev_err_ratelimited(scomp->dev,
319 "error: incorrect numid %d\n",
324 if (copy_from_user(cdata->data, tlvd->tlv, header.length))
327 if (cdata->data->magic != SOF_ABI_MAGIC) {
328 dev_err_ratelimited(scomp->dev,
329 "error: Wrong ABI magic 0x%08x.\n",
334 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) {
335 dev_err_ratelimited(scomp->dev, "error: Incompatible ABI version 0x%08x.\n",
340 if (cdata->data->size + sizeof(const struct sof_abi_hdr) > be->max) {
341 dev_err_ratelimited(scomp->dev, "error: Mismatch in ABI data size (truncated?).\n");
345 /* notify DSP of byte control updates */
346 if (pm_runtime_active(scomp->dev))
347 snd_sof_ipc_set_get_comp_data(scontrol,
348 SOF_IPC_COMP_SET_DATA,
349 SOF_CTRL_TYPE_DATA_SET,
356 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
357 unsigned int __user *binary_data,
360 struct soc_bytes_ext *be =
361 (struct soc_bytes_ext *)kcontrol->private_value;
362 struct snd_sof_control *scontrol = be->dobj.private;
363 struct snd_soc_component *scomp = scontrol->scomp;
364 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
365 struct snd_ctl_tlv header;
366 struct snd_ctl_tlv __user *tlvd =
367 (struct snd_ctl_tlv __user *)binary_data;
372 * Decrement the limit by ext bytes header size to
373 * ensure the user space buffer is not exceeded.
375 size -= sizeof(const struct snd_ctl_tlv);
377 /* set the ABI header values */
378 cdata->data->magic = SOF_ABI_MAGIC;
379 cdata->data->abi = SOF_ABI_VERSION;
381 /* Prevent read of other kernel data or possibly corrupt response */
382 data_size = cdata->data->size + sizeof(const struct sof_abi_hdr);
384 /* check data size doesn't exceed max coming from topology */
385 if (data_size > be->max) {
386 dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %d.\n",
392 header.numid = scontrol->cmd;
393 header.length = data_size;
394 if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv))) {
399 if (copy_to_user(tlvd->tlv, cdata->data, data_size))