1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* 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. 5 * 6 * Copyright(c) 2019 Intel Corporation. All rights reserved. 7 * 8 * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> 9 */ 10 11 #ifndef __SOUND_SOC_SOF_AUDIO_H 12 #define __SOUND_SOC_SOF_AUDIO_H 13 14 #include <linux/workqueue.h> 15 16 #include <sound/soc.h> 17 #include <sound/control.h> 18 #include <sound/sof/stream.h> /* needs to be included before control.h */ 19 #include <sound/sof/control.h> 20 #include <sound/sof/dai.h> 21 #include <sound/sof/topology.h> 22 #include "sof-priv.h" 23 24 #define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component" 25 26 /* max number of FE PCMs before BEs */ 27 #define SOF_BE_PCM_BASE 16 28 29 #define DMA_CHAN_INVALID 0xFFFFFFFF 30 31 /* PCM stream, mapped to FW component */ 32 struct snd_sof_pcm_stream { 33 u32 comp_id; 34 struct snd_dma_buffer page_table; 35 struct sof_ipc_stream_posn posn; 36 struct snd_pcm_substream *substream; 37 struct work_struct period_elapsed_work; 38 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ 39 /* 40 * flag to indicate that the DSP pipelines should be kept 41 * active or not while suspending the stream 42 */ 43 bool suspend_ignored; 44 }; 45 46 /* ALSA SOF PCM device */ 47 struct snd_sof_pcm { 48 struct snd_soc_component *scomp; 49 struct snd_soc_tplg_pcm pcm; 50 struct snd_sof_pcm_stream stream[2]; 51 struct list_head list; /* list in sdev pcm list */ 52 struct snd_pcm_hw_params params[2]; 53 bool prepared[2]; /* PCM_PARAMS set successfully */ 54 }; 55 56 struct snd_sof_led_control { 57 unsigned int use_led; 58 unsigned int direction; 59 int led_value; 60 }; 61 62 /* ALSA SOF Kcontrol device */ 63 struct snd_sof_control { 64 struct snd_soc_component *scomp; 65 int comp_id; 66 int min_volume_step; /* min volume step for volume_table */ 67 int max_volume_step; /* max volume step for volume_table */ 68 int num_channels; 69 u32 readback_offset; /* offset to mmapped data if used */ 70 struct sof_ipc_ctrl_data *control_data; 71 u32 size; /* cdata size */ 72 enum sof_ipc_ctrl_cmd cmd; 73 u32 *volume_table; /* volume table computed from tlv data*/ 74 75 struct list_head list; /* list in sdev control list */ 76 77 struct snd_sof_led_control led_ctl; 78 }; 79 80 /* ASoC SOF DAPM widget */ 81 struct snd_sof_widget { 82 struct snd_soc_component *scomp; 83 int comp_id; 84 int pipeline_id; 85 int complete; 86 int id; 87 88 struct snd_soc_dapm_widget *widget; 89 struct list_head list; /* list in sdev widget list */ 90 91 void *private; /* core does not touch this */ 92 }; 93 94 /* ASoC SOF DAPM route */ 95 struct snd_sof_route { 96 struct snd_soc_component *scomp; 97 98 struct snd_soc_dapm_route *route; 99 struct list_head list; /* list in sdev route list */ 100 101 void *private; 102 }; 103 104 /* ASoC DAI device */ 105 struct snd_sof_dai { 106 struct snd_soc_component *scomp; 107 const char *name; 108 const char *cpu_dai_name; 109 110 struct sof_ipc_comp_dai comp_dai; 111 struct sof_ipc_dai_config *dai_config; 112 struct list_head list; /* list in sdev dai list */ 113 }; 114 115 /* 116 * Kcontrols. 117 */ 118 119 int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 120 struct snd_ctl_elem_value *ucontrol); 121 int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 122 struct snd_ctl_elem_value *ucontrol); 123 int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 124 struct snd_ctl_elem_value *ucontrol); 125 int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 126 struct snd_ctl_elem_value *ucontrol); 127 int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 128 struct snd_ctl_elem_value *ucontrol); 129 int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 130 struct snd_ctl_elem_value *ucontrol); 131 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 132 struct snd_ctl_elem_value *ucontrol); 133 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 134 struct snd_ctl_elem_value *ucontrol); 135 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 136 const unsigned int __user *binary_data, 137 unsigned int size); 138 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 139 unsigned int __user *binary_data, 140 unsigned int size); 141 142 /* 143 * Topology. 144 * There is no snd_sof_free_topology since topology components will 145 * be freed by snd_soc_unregister_component, 146 */ 147 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 148 int snd_sof_complete_pipeline(struct device *dev, 149 struct snd_sof_widget *swidget); 150 151 int sof_load_pipeline_ipc(struct device *dev, 152 struct sof_ipc_pipe_new *pipeline, 153 struct sof_ipc_comp_reply *r); 154 155 /* 156 * Stream IPC 157 */ 158 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 159 struct snd_sof_pcm *spcm, int direction, 160 struct sof_ipc_stream_posn *posn); 161 162 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 163 const char *name); 164 struct snd_sof_widget * 165 snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 166 const char *pcm_name, int dir); 167 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 168 const char *name); 169 170 static inline 171 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 172 struct snd_soc_pcm_runtime *rtd) 173 { 174 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 175 176 struct snd_sof_pcm *spcm = NULL; 177 178 list_for_each_entry(spcm, &sdev->pcm_list, list) { 179 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 180 return spcm; 181 } 182 183 return NULL; 184 } 185 186 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 187 const char *name); 188 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 189 unsigned int comp_id, 190 int *direction); 191 struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp, 192 unsigned int pcm_id); 193 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 194 void snd_sof_pcm_period_elapsed_work(struct work_struct *work); 195 196 /* 197 * Mixer IPC 198 */ 199 int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, 200 u32 ipc_cmd, 201 enum sof_ipc_ctrl_type ctrl_type, 202 enum sof_ipc_ctrl_cmd ctrl_cmd, 203 bool send); 204 205 /* PM */ 206 int sof_restore_pipelines(struct device *dev); 207 int sof_set_hw_params_upon_resume(struct device *dev); 208 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 209 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 210 211 /* Machine driver enumeration */ 212 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 213 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 214 215 #endif 216