3 * Copyright 2015 Google Inc.
4 * Copyright 2015 Linaro Ltd.
6 * Released under the GPLv2 only.
9 #ifndef __LINUX_GBAUDIO_CODEC_H
10 #define __LINUX_GBAUDIO_CODEC_H
12 #include <sound/soc.h>
15 #include "greybus_protocols.h"
18 #define MAX_DAIS 2 /* APB1, APB2 */
26 enum gbcodec_reg_index {
38 /* bit 0-SPK, 1-HP, 2-DAC,
39 * 4-MIC, 5-HSMIC, 6-MIC2
41 #define GBCODEC_CTL_REG_DEFAULT 0x00
43 /* bit 0,1 - APB1-PB-L/R
44 * bit 2,3 - APB2-PB-L/R
45 * bit 4,5 - APB1-Cap-L/R
46 * bit 6,7 - APB2-Cap-L/R
48 #define GBCODEC_MUTE_REG_DEFAULT 0x00
51 #define GBCODEC_PB_VOL_REG_DEFAULT 0x00
52 #define GBCODEC_CAP_VOL_REG_DEFAULT 0x00
54 /* bit 0,1,2 - PB stereo, left, right
55 * bit 8,9,10 - Cap stereo, left, right
57 #define GBCODEC_APB1_MUX_REG_DEFAULT 0x00
58 #define GBCODEC_APB2_MUX_REG_DEFAULT 0x00
60 static const u8 gbcodec_reg_defaults[GBCODEC_REG_COUNT] = {
61 GBCODEC_CTL_REG_DEFAULT,
62 GBCODEC_MUTE_REG_DEFAULT,
63 GBCODEC_PB_VOL_REG_DEFAULT,
64 GBCODEC_PB_VOL_REG_DEFAULT,
65 GBCODEC_CAP_VOL_REG_DEFAULT,
66 GBCODEC_CAP_VOL_REG_DEFAULT,
67 GBCODEC_APB1_MUX_REG_DEFAULT,
68 GBCODEC_APB2_MUX_REG_DEFAULT,
71 struct gbaudio_widget {
74 struct list_head list;
77 struct gbaudio_control {
80 const char * const *texts;
81 struct list_head list;
89 struct gb_connection *connection;
90 struct list_head list;
93 struct gbaudio_codec_info {
95 int dev_id; /* check if it should be bundle_id/hd_cport_id */
101 int codec_registered;
103 char vstr[NAME_SIZE];
104 char pstr[NAME_SIZE];
105 struct list_head list;
106 struct gb_audio_topology *topology;
107 /* need to share this info to above user space */
109 char name[NAME_SIZE];
112 * there can be a rece condition between gb_audio_disconnect()
113 * and dai->trigger from above ASoC layer.
114 * To avoid any deadlock over codec_info->lock, atomic variable
117 atomic_t is_connected;
120 /* soc related data */
121 struct snd_soc_codec *codec;
123 u8 reg[GBCODEC_REG_COUNT];
125 /* dai_link related */
126 char card_name[NAME_SIZE];
127 char *dailink_name[MAX_DAIS];
130 struct gb_connection *mgmt_connection;
131 size_t num_data_connections;
132 /* topology related */
135 int num_dapm_widgets;
137 unsigned long dai_offset;
138 unsigned long widget_offset;
139 unsigned long control_offset;
140 unsigned long route_offset;
141 struct snd_kcontrol_new *kctls;
142 struct snd_soc_dapm_widget *widgets;
143 struct snd_soc_dapm_route *routes;
144 struct snd_soc_dai_driver *dais;
147 struct list_head dai_list;
148 struct list_head widget_list;
149 struct list_head codec_ctl_list;
150 struct list_head widget_ctl_list;
153 struct gbaudio_dai *gbaudio_find_dai(struct gbaudio_codec_info *gbcodec,
154 int data_cport, const char *name);
155 int gbaudio_tplg_parse_data(struct gbaudio_codec_info *gbcodec,
156 struct gb_audio_topology *tplg_data);
157 void gbaudio_tplg_release(struct gbaudio_codec_info *gbcodec);
159 /* protocol related */
160 extern int gb_audio_gb_get_topology(struct gb_connection *connection,
161 struct gb_audio_topology **topology);
162 extern int gb_audio_gb_get_control(struct gb_connection *connection,
163 uint8_t control_id, uint8_t index,
164 struct gb_audio_ctl_elem_value *value);
165 extern int gb_audio_gb_set_control(struct gb_connection *connection,
166 uint8_t control_id, uint8_t index,
167 struct gb_audio_ctl_elem_value *value);
168 extern int gb_audio_gb_enable_widget(struct gb_connection *connection,
170 extern int gb_audio_gb_disable_widget(struct gb_connection *connection,
172 extern int gb_audio_gb_get_pcm(struct gb_connection *connection,
173 uint16_t data_cport, uint32_t *format,
174 uint32_t *rate, uint8_t *channels,
176 extern int gb_audio_gb_set_pcm(struct gb_connection *connection,
177 uint16_t data_cport, uint32_t format,
178 uint32_t rate, uint8_t channels,
180 extern int gb_audio_gb_set_tx_data_size(struct gb_connection *connection,
181 uint16_t data_cport, uint16_t size);
182 extern int gb_audio_gb_get_tx_delay(struct gb_connection *connection,
183 uint16_t data_cport, uint32_t *delay);
184 extern int gb_audio_gb_activate_tx(struct gb_connection *connection,
185 uint16_t data_cport);
186 extern int gb_audio_gb_deactivate_tx(struct gb_connection *connection,
187 uint16_t data_cport);
188 extern int gb_audio_gb_set_rx_data_size(struct gb_connection *connection,
189 uint16_t data_cport, uint16_t size);
190 extern int gb_audio_gb_get_rx_delay(struct gb_connection *connection,
191 uint16_t data_cport, uint32_t *delay);
192 extern int gb_audio_gb_activate_rx(struct gb_connection *connection,
193 uint16_t data_cport);
194 extern int gb_audio_gb_deactivate_rx(struct gb_connection *connection,
195 uint16_t data_cport);
196 extern int gb_audio_apbridgea_set_config(struct gb_connection *connection,
197 __u16 i2s_port, __u32 format,
198 __u32 rate, __u32 mclk_freq);
199 extern int gb_audio_apbridgea_register_cport(struct gb_connection *connection,
200 __u16 i2s_port, __u16 cportid);
201 extern int gb_audio_apbridgea_unregister_cport(struct gb_connection *connection,
202 __u16 i2s_port, __u16 cportid);
203 extern int gb_audio_apbridgea_set_tx_data_size(struct gb_connection *connection,
204 __u16 i2s_port, __u16 size);
205 extern int gb_audio_apbridgea_get_tx_delay(struct gb_connection *connection,
206 __u16 i2s_port, __u32 *delay);
207 extern int gb_audio_apbridgea_start_tx(struct gb_connection *connection,
208 __u16 i2s_port, __u64 timestamp);
209 extern int gb_audio_apbridgea_stop_tx(struct gb_connection *connection,
211 extern int gb_audio_apbridgea_set_rx_data_size(struct gb_connection *connection,
212 __u16 i2s_port, __u16 size);
213 extern int gb_audio_apbridgea_get_rx_delay(struct gb_connection *connection,
214 __u16 i2s_port, __u32 *delay);
215 extern int gb_audio_apbridgea_start_rx(struct gb_connection *connection,
217 extern int gb_audio_apbridgea_stop_rx(struct gb_connection *connection,
220 #endif /* __LINUX_GBAUDIO_CODEC_H */