Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1 | /* |
Vaibhav Agarwal | 098dfaf | 2016-07-22 09:41:30 +0530 | [diff] [blame] | 2 | * APBridge ALSA SoC dummy codec driver |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 3 | * Copyright 2016 Google Inc. |
| 4 | * Copyright 2016 Linaro Ltd. |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 5 | * |
| 6 | * Released under the GPLv2 only. |
| 7 | */ |
Vaibhav Agarwal | 2a70e49 | 2016-01-13 14:07:50 -0700 | [diff] [blame] | 8 | #include <linux/kernel.h> |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 9 | #include <linux/module.h> |
Vaibhav Agarwal | f2bf63a | 2016-04-22 11:13:19 -0700 | [diff] [blame] | 10 | #include <linux/pm_runtime.h> |
Vaibhav Agarwal | 2a70e49 | 2016-01-13 14:07:50 -0700 | [diff] [blame] | 11 | #include <sound/soc.h> |
| 12 | #include <sound/pcm_params.h> |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 13 | #include <uapi/linux/input.h> |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 14 | |
Vaibhav Agarwal | 7885342 | 2016-01-13 14:07:49 -0700 | [diff] [blame] | 15 | #include "audio_codec.h" |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 16 | #include "audio_apbridgea.h" |
Vaibhav Agarwal | 17247da | 2016-01-13 14:07:53 -0700 | [diff] [blame] | 17 | #include "audio_manager.h" |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 18 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 19 | static struct gbaudio_codec_info *gbcodec; |
Vaibhav Agarwal | 2a70e49 | 2016-01-13 14:07:50 -0700 | [diff] [blame] | 20 | |
Viresh Kumar | 36460e8 | 2016-04-21 08:11:57 +0530 | [diff] [blame] | 21 | static struct gbaudio_data_connection * |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 22 | find_data(struct gbaudio_module_info *module, int id) |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 23 | { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 24 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 25 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 26 | list_for_each_entry(data, &module->data_list, list) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 27 | if (id == data->id) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 28 | return data; |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 29 | } |
| 30 | return NULL; |
| 31 | } |
| 32 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 33 | static struct gbaudio_stream_params * |
| 34 | find_dai_stream_params(struct gbaudio_codec_info *codec, int id, int stream) |
| 35 | { |
| 36 | struct gbaudio_codec_dai *dai; |
| 37 | |
| 38 | list_for_each_entry(dai, &codec->dai_list, list) { |
| 39 | if (dai->id == id) |
| 40 | return &dai->params[stream]; |
| 41 | } |
| 42 | return NULL; |
| 43 | } |
| 44 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 45 | static int gbaudio_module_enable_tx(struct gbaudio_codec_info *codec, |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 46 | struct gbaudio_module_info *module, int id) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 47 | { |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 48 | int module_state, ret = 0; |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 49 | u16 data_cport, i2s_port, cportid; |
Chaehyun Lim | 3195939 | 2016-09-20 09:47:29 +0900 | [diff] [blame] | 50 | u8 sig_bits, channels; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 51 | uint32_t format, rate; |
| 52 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 53 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 54 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 55 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 56 | data = find_data(module, id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 57 | if (!data) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 58 | dev_err(module->dev, "%d:DATA connection missing\n", id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 59 | return -ENODEV; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 60 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 61 | module_state = data->state[SNDRV_PCM_STREAM_PLAYBACK]; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 62 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 63 | params = find_dai_stream_params(codec, id, SNDRV_PCM_STREAM_PLAYBACK); |
| 64 | if (!params) { |
| 65 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 66 | return -EINVAL; |
| 67 | } |
| 68 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 69 | /* register cport */ |
| 70 | if (module_state < GBAUDIO_CODEC_STARTUP) { |
| 71 | i2s_port = 0; /* fixed for now */ |
| 72 | cportid = data->connection->hd_cport_id; |
| 73 | ret = gb_audio_apbridgea_register_cport(data->connection, |
| 74 | i2s_port, cportid, |
| 75 | AUDIO_APBRIDGEA_DIRECTION_TX); |
| 76 | if (ret) { |
| 77 | dev_err_ratelimited(module->dev, |
| 78 | "reg_cport failed:%d\n", ret); |
| 79 | return ret; |
| 80 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 81 | data->state[SNDRV_PCM_STREAM_PLAYBACK] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 82 | GBAUDIO_CODEC_STARTUP; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 83 | dev_dbg(module->dev, "Dynamic Register %d DAI\n", cportid); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 84 | } |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 85 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 86 | /* hw_params */ |
| 87 | if (module_state < GBAUDIO_CODEC_HWPARAMS) { |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 88 | format = params->format; |
| 89 | channels = params->channels; |
| 90 | rate = params->rate; |
| 91 | sig_bits = params->sig_bits; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 92 | data_cport = data->connection->intf_cport_id; |
| 93 | ret = gb_audio_gb_set_pcm(module->mgmt_connection, data_cport, |
| 94 | format, rate, channels, sig_bits); |
| 95 | if (ret) { |
| 96 | dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", |
| 97 | ret); |
| 98 | return ret; |
| 99 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 100 | data->state[SNDRV_PCM_STREAM_PLAYBACK] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 101 | GBAUDIO_CODEC_HWPARAMS; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 102 | dev_dbg(module->dev, "Dynamic hw_params %d DAI\n", data_cport); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | /* prepare */ |
| 106 | if (module_state < GBAUDIO_CODEC_PREPARE) { |
| 107 | data_cport = data->connection->intf_cport_id; |
| 108 | ret = gb_audio_gb_set_tx_data_size(module->mgmt_connection, |
| 109 | data_cport, 192); |
| 110 | if (ret) { |
| 111 | dev_err_ratelimited(module->dev, |
| 112 | "set_tx_data_size failed:%d\n", |
| 113 | ret); |
| 114 | return ret; |
| 115 | } |
| 116 | ret = gb_audio_gb_activate_tx(module->mgmt_connection, |
| 117 | data_cport); |
| 118 | if (ret) { |
| 119 | dev_err_ratelimited(module->dev, |
| 120 | "activate_tx failed:%d\n", ret); |
| 121 | return ret; |
| 122 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 123 | data->state[SNDRV_PCM_STREAM_PLAYBACK] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 124 | GBAUDIO_CODEC_PREPARE; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 125 | dev_dbg(module->dev, "Dynamic prepare %d DAI\n", data_cport); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | return 0; |
| 129 | } |
| 130 | |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 131 | static int gbaudio_module_disable_tx(struct gbaudio_module_info *module, int id) |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 132 | { |
| 133 | int ret; |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 134 | u16 data_cport, cportid, i2s_port; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 135 | int module_state; |
| 136 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 137 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 138 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 139 | data = find_data(module, id); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 140 | if (!data) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 141 | dev_err(module->dev, "%d:DATA connection missing\n", id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 142 | return -ENODEV; |
| 143 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 144 | module_state = data->state[SNDRV_PCM_STREAM_PLAYBACK]; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 145 | |
| 146 | if (module_state > GBAUDIO_CODEC_HWPARAMS) { |
| 147 | data_cport = data->connection->intf_cport_id; |
| 148 | ret = gb_audio_gb_deactivate_tx(module->mgmt_connection, |
| 149 | data_cport); |
| 150 | if (ret) { |
| 151 | dev_err_ratelimited(module->dev, |
| 152 | "deactivate_tx failed:%d\n", ret); |
| 153 | return ret; |
| 154 | } |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 155 | dev_dbg(module->dev, "Dynamic deactivate %d DAI\n", data_cport); |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 156 | data->state[SNDRV_PCM_STREAM_PLAYBACK] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 157 | GBAUDIO_CODEC_HWPARAMS; |
| 158 | } |
| 159 | |
| 160 | if (module_state > GBAUDIO_CODEC_SHUTDOWN) { |
| 161 | i2s_port = 0; /* fixed for now */ |
| 162 | cportid = data->connection->hd_cport_id; |
| 163 | ret = gb_audio_apbridgea_unregister_cport(data->connection, |
| 164 | i2s_port, cportid, |
| 165 | AUDIO_APBRIDGEA_DIRECTION_TX); |
| 166 | if (ret) { |
| 167 | dev_err_ratelimited(module->dev, |
| 168 | "unregister_cport failed:%d\n", |
| 169 | ret); |
| 170 | return ret; |
| 171 | } |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 172 | dev_dbg(module->dev, "Dynamic Unregister %d DAI\n", cportid); |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 173 | data->state[SNDRV_PCM_STREAM_PLAYBACK] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 174 | GBAUDIO_CODEC_SHUTDOWN; |
| 175 | } |
| 176 | |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static int gbaudio_module_enable_rx(struct gbaudio_codec_info *codec, |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 181 | struct gbaudio_module_info *module, int id) |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 182 | { |
| 183 | int module_state, ret = 0; |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 184 | u16 data_cport, i2s_port, cportid; |
Chaehyun Lim | 3195939 | 2016-09-20 09:47:29 +0900 | [diff] [blame] | 185 | u8 sig_bits, channels; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 186 | uint32_t format, rate; |
| 187 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 188 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 189 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 190 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 191 | data = find_data(module, id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 192 | if (!data) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 193 | dev_err(module->dev, "%d:DATA connection missing\n", id); |
Vaibhav Agarwal | 90579d4 | 2016-08-04 15:14:28 +0530 | [diff] [blame] | 194 | return -ENODEV; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 195 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 196 | module_state = data->state[SNDRV_PCM_STREAM_CAPTURE]; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 197 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 198 | params = find_dai_stream_params(codec, id, SNDRV_PCM_STREAM_CAPTURE); |
| 199 | if (!params) { |
| 200 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 201 | return -EINVAL; |
| 202 | } |
| 203 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 204 | /* register cport */ |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 205 | if (module_state < GBAUDIO_CODEC_STARTUP) { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 206 | i2s_port = 0; /* fixed for now */ |
| 207 | cportid = data->connection->hd_cport_id; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 208 | ret = gb_audio_apbridgea_register_cport(data->connection, |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 209 | i2s_port, cportid, |
Mark Greer | f0ec8cd | 2016-08-20 16:25:06 -0700 | [diff] [blame] | 210 | AUDIO_APBRIDGEA_DIRECTION_RX); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 211 | if (ret) { |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 212 | dev_err_ratelimited(module->dev, |
| 213 | "reg_cport failed:%d\n", ret); |
| 214 | return ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 215 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 216 | data->state[SNDRV_PCM_STREAM_CAPTURE] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 217 | GBAUDIO_CODEC_STARTUP; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 218 | dev_dbg(module->dev, "Dynamic Register %d DAI\n", cportid); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | /* hw_params */ |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 222 | if (module_state < GBAUDIO_CODEC_HWPARAMS) { |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 223 | format = params->format; |
| 224 | channels = params->channels; |
| 225 | rate = params->rate; |
| 226 | sig_bits = params->sig_bits; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 227 | data_cport = data->connection->intf_cport_id; |
| 228 | ret = gb_audio_gb_set_pcm(module->mgmt_connection, data_cport, |
| 229 | format, rate, channels, sig_bits); |
| 230 | if (ret) { |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 231 | dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", |
| 232 | ret); |
| 233 | return ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 234 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 235 | data->state[SNDRV_PCM_STREAM_CAPTURE] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 236 | GBAUDIO_CODEC_HWPARAMS; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 237 | dev_dbg(module->dev, "Dynamic hw_params %d DAI\n", data_cport); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | /* prepare */ |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 241 | if (module_state < GBAUDIO_CODEC_PREPARE) { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 242 | data_cport = data->connection->intf_cport_id; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 243 | ret = gb_audio_gb_set_rx_data_size(module->mgmt_connection, |
| 244 | data_cport, 192); |
| 245 | if (ret) { |
| 246 | dev_err_ratelimited(module->dev, |
| 247 | "set_rx_data_size failed:%d\n", |
| 248 | ret); |
| 249 | return ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 250 | } |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 251 | ret = gb_audio_gb_activate_rx(module->mgmt_connection, |
| 252 | data_cport); |
| 253 | if (ret) { |
| 254 | dev_err_ratelimited(module->dev, |
| 255 | "activate_rx failed:%d\n", ret); |
| 256 | return ret; |
| 257 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 258 | data->state[SNDRV_PCM_STREAM_CAPTURE] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 259 | GBAUDIO_CODEC_PREPARE; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 260 | dev_dbg(module->dev, "Dynamic prepare %d DAI\n", data_cport); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 261 | } |
| 262 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 263 | return 0; |
| 264 | } |
| 265 | |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 266 | static int gbaudio_module_disable_rx(struct gbaudio_module_info *module, int id) |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 267 | { |
| 268 | int ret; |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 269 | u16 data_cport, cportid, i2s_port; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 270 | int module_state; |
| 271 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 272 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 273 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 274 | data = find_data(module, id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 275 | if (!data) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 276 | dev_err(module->dev, "%d:DATA connection missing\n", id); |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 277 | return -ENODEV; |
| 278 | } |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 279 | module_state = data->state[SNDRV_PCM_STREAM_CAPTURE]; |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 280 | |
| 281 | if (module_state > GBAUDIO_CODEC_HWPARAMS) { |
| 282 | data_cport = data->connection->intf_cport_id; |
| 283 | ret = gb_audio_gb_deactivate_rx(module->mgmt_connection, |
| 284 | data_cport); |
| 285 | if (ret) { |
| 286 | dev_err_ratelimited(module->dev, |
| 287 | "deactivate_rx failed:%d\n", ret); |
| 288 | return ret; |
| 289 | } |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 290 | dev_dbg(module->dev, "Dynamic deactivate %d DAI\n", data_cport); |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 291 | data->state[SNDRV_PCM_STREAM_CAPTURE] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 292 | GBAUDIO_CODEC_HWPARAMS; |
| 293 | } |
| 294 | |
| 295 | if (module_state > GBAUDIO_CODEC_SHUTDOWN) { |
| 296 | i2s_port = 0; /* fixed for now */ |
| 297 | cportid = data->connection->hd_cport_id; |
| 298 | ret = gb_audio_apbridgea_unregister_cport(data->connection, |
| 299 | i2s_port, cportid, |
| 300 | AUDIO_APBRIDGEA_DIRECTION_RX); |
| 301 | if (ret) { |
| 302 | dev_err_ratelimited(module->dev, |
| 303 | "unregister_cport failed:%d\n", |
| 304 | ret); |
| 305 | return ret; |
| 306 | } |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 307 | dev_dbg(module->dev, "Dynamic Unregister %d DAI\n", cportid); |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 308 | data->state[SNDRV_PCM_STREAM_CAPTURE] = |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 309 | GBAUDIO_CODEC_SHUTDOWN; |
| 310 | } |
| 311 | |
| 312 | return 0; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | int gbaudio_module_update(struct gbaudio_codec_info *codec, |
Vaibhav Agarwal | 4ffca62 | 2016-08-04 15:14:32 +0530 | [diff] [blame] | 316 | struct snd_soc_dapm_widget *w, |
| 317 | struct gbaudio_module_info *module, int enable) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 318 | { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 319 | int dai_id, ret; |
| 320 | char intf_name[NAME_SIZE], dir[NAME_SIZE]; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 321 | |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 322 | dev_dbg(module->dev, "%s:Module update %s sequence\n", w->name, |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 323 | enable ? "Enable":"Disable"); |
| 324 | |
Richard Groux | 0c8d9c7 | 2016-09-21 19:05:29 +0200 | [diff] [blame] | 325 | if ((w->id != snd_soc_dapm_aif_in) && (w->id != snd_soc_dapm_aif_out)) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 326 | dev_dbg(codec->dev, "No action required for %s\n", w->name); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 327 | return 0; |
| 328 | } |
| 329 | |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 330 | /* parse dai_id from AIF widget's stream_name */ |
| 331 | ret = sscanf(w->sname, "%s %d %s", intf_name, &dai_id, dir); |
| 332 | if (ret < 3) { |
| 333 | dev_err(codec->dev, "Error while parsing dai_id for %s\n", |
| 334 | w->name); |
| 335 | return -EINVAL; |
| 336 | } |
| 337 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 338 | mutex_lock(&codec->lock); |
Vaibhav Agarwal | 487dcbd | 2016-08-04 15:14:33 +0530 | [diff] [blame] | 339 | if (w->id == snd_soc_dapm_aif_in) { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 340 | if (enable) |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 341 | ret = gbaudio_module_enable_tx(codec, module, dai_id); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 342 | else |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 343 | ret = gbaudio_module_disable_tx(module, dai_id); |
Vaibhav Agarwal | 487dcbd | 2016-08-04 15:14:33 +0530 | [diff] [blame] | 344 | } else if (w->id == snd_soc_dapm_aif_out) { |
Vaibhav Agarwal | 094c430 | 2016-03-29 16:32:37 +0530 | [diff] [blame] | 345 | if (enable) |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 346 | ret = gbaudio_module_enable_rx(codec, module, dai_id); |
Vaibhav Agarwal | 094c430 | 2016-03-29 16:32:37 +0530 | [diff] [blame] | 347 | else |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 348 | ret = gbaudio_module_disable_rx(module, dai_id); |
Vaibhav Agarwal | 094c430 | 2016-03-29 16:32:37 +0530 | [diff] [blame] | 349 | } |
Vaibhav Agarwal | 487dcbd | 2016-08-04 15:14:33 +0530 | [diff] [blame] | 350 | |
Vaibhav Agarwal | aaef32a | 2016-08-04 15:14:30 +0530 | [diff] [blame] | 351 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 352 | |
| 353 | return ret; |
| 354 | } |
| 355 | EXPORT_SYMBOL(gbaudio_module_update); |
| 356 | |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 357 | /* |
| 358 | * codec DAI ops |
| 359 | */ |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 360 | static int gbcodec_startup(struct snd_pcm_substream *substream, |
| 361 | struct snd_soc_dai *dai) |
| 362 | { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 363 | struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 364 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 365 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 366 | mutex_lock(&codec->lock); |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 367 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 368 | if (list_empty(&codec->module_list)) { |
| 369 | dev_err(codec->dev, "No codec module available\n"); |
| 370 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 3994e0b | 2016-01-28 21:15:40 +0530 | [diff] [blame] | 371 | return -ENODEV; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 372 | } |
| 373 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 374 | params = find_dai_stream_params(codec, dai->id, substream->stream); |
| 375 | if (!params) { |
| 376 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 377 | mutex_unlock(&codec->lock); |
| 378 | return -EINVAL; |
| 379 | } |
| 380 | params->state = GBAUDIO_CODEC_STARTUP; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 381 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | f2bf63a | 2016-04-22 11:13:19 -0700 | [diff] [blame] | 382 | /* to prevent suspend in case of active audio */ |
| 383 | pm_stay_awake(dai->dev); |
Vaibhav Agarwal | 25de349 | 2016-01-13 14:07:55 -0700 | [diff] [blame] | 384 | |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 385 | return 0; |
Vaibhav Agarwal | 54e9070 | 2016-04-23 20:04:05 +0530 | [diff] [blame] | 386 | } |
| 387 | |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 388 | static void gbcodec_shutdown(struct snd_pcm_substream *substream, |
| 389 | struct snd_soc_dai *dai) |
| 390 | { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 391 | struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 392 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 393 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 394 | mutex_lock(&codec->lock); |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 395 | |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 396 | if (list_empty(&codec->module_list)) |
| 397 | dev_info(codec->dev, "No codec module available during shutdown\n"); |
Vaibhav Agarwal | 29386f0 | 2016-02-16 00:27:28 +0530 | [diff] [blame] | 398 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 399 | params = find_dai_stream_params(codec, dai->id, substream->stream); |
| 400 | if (!params) { |
| 401 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 402 | mutex_unlock(&codec->lock); |
| 403 | return; |
| 404 | } |
| 405 | params->state = GBAUDIO_CODEC_SHUTDOWN; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 406 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | f2bf63a | 2016-04-22 11:13:19 -0700 | [diff] [blame] | 407 | pm_relax(dai->dev); |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 408 | return; |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | static int gbcodec_hw_params(struct snd_pcm_substream *substream, |
| 412 | struct snd_pcm_hw_params *hwparams, |
| 413 | struct snd_soc_dai *dai) |
| 414 | { |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 415 | int ret; |
Chaehyun Lim | 3195939 | 2016-09-20 09:47:29 +0900 | [diff] [blame] | 416 | u8 sig_bits, channels; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 417 | uint32_t format, rate; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 418 | struct gbaudio_module_info *module; |
| 419 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 420 | struct gb_bundle *bundle; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 421 | struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 422 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 423 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 424 | mutex_lock(&codec->lock); |
| 425 | |
| 426 | if (list_empty(&codec->module_list)) { |
| 427 | dev_err(codec->dev, "No codec module available\n"); |
| 428 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 3994e0b | 2016-01-28 21:15:40 +0530 | [diff] [blame] | 429 | return -ENODEV; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | /* |
| 433 | * assuming, currently only 48000 Hz, 16BIT_LE, stereo |
| 434 | * is supported, validate params before configuring codec |
| 435 | */ |
| 436 | if (params_channels(hwparams) != 2) { |
| 437 | dev_err(dai->dev, "Invalid channel count:%d\n", |
| 438 | params_channels(hwparams)); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 439 | mutex_unlock(&codec->lock); |
| 440 | return -EINVAL; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 441 | } |
| 442 | channels = params_channels(hwparams); |
| 443 | |
| 444 | if (params_rate(hwparams) != 48000) { |
| 445 | dev_err(dai->dev, "Invalid sampling rate:%d\n", |
| 446 | params_rate(hwparams)); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 447 | mutex_unlock(&codec->lock); |
| 448 | return -EINVAL; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 449 | } |
| 450 | rate = GB_AUDIO_PCM_RATE_48000; |
| 451 | |
| 452 | if (params_format(hwparams) != SNDRV_PCM_FORMAT_S16_LE) { |
| 453 | dev_err(dai->dev, "Invalid format:%d\n", |
| 454 | params_format(hwparams)); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 455 | mutex_unlock(&codec->lock); |
| 456 | return -EINVAL; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 457 | } |
| 458 | format = GB_AUDIO_PCM_FMT_S16_LE; |
| 459 | |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 460 | /* find the data connection */ |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 461 | list_for_each_entry(module, &codec->module_list, list) { |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 462 | data = find_data(module, dai->id); |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 463 | if (data) |
| 464 | break; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 465 | } |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 466 | |
| 467 | if (!data) { |
| 468 | dev_err(dai->dev, "DATA connection missing\n"); |
| 469 | mutex_unlock(&codec->lock); |
| 470 | return -EINVAL; |
| 471 | } |
| 472 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 473 | params = find_dai_stream_params(codec, dai->id, substream->stream); |
| 474 | if (!params) { |
| 475 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 476 | mutex_unlock(&codec->lock); |
| 477 | return -EINVAL; |
| 478 | } |
| 479 | |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 480 | bundle = to_gb_bundle(module->dev); |
| 481 | ret = gb_pm_runtime_get_sync(bundle); |
| 482 | if (ret) { |
| 483 | mutex_unlock(&codec->lock); |
| 484 | return ret; |
| 485 | } |
| 486 | |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 487 | ret = gb_audio_apbridgea_set_config(data->connection, 0, |
| 488 | AUDIO_APBRIDGEA_PCM_FMT_16, |
| 489 | AUDIO_APBRIDGEA_PCM_RATE_48000, |
| 490 | 6144000); |
| 491 | if (ret) { |
| 492 | dev_err_ratelimited(dai->dev, "%d: Error during set_config\n", |
| 493 | ret); |
| 494 | mutex_unlock(&codec->lock); |
| 495 | return ret; |
| 496 | } |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 497 | |
| 498 | gb_pm_runtime_put_noidle(bundle); |
| 499 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 500 | params->state = GBAUDIO_CODEC_HWPARAMS; |
| 501 | params->format = format; |
| 502 | params->rate = rate; |
| 503 | params->channels = channels; |
| 504 | params->sig_bits = sig_bits; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 505 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 506 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 507 | return 0; |
Vaibhav Agarwal | 54e9070 | 2016-04-23 20:04:05 +0530 | [diff] [blame] | 508 | } |
| 509 | |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 510 | static int gbcodec_prepare(struct snd_pcm_substream *substream, |
| 511 | struct snd_soc_dai *dai) |
| 512 | { |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 513 | int ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 514 | struct gbaudio_module_info *module; |
Vaibhav Agarwal | 54e9070 | 2016-04-23 20:04:05 +0530 | [diff] [blame] | 515 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 516 | struct gb_bundle *bundle; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 517 | struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 518 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 519 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 520 | mutex_lock(&codec->lock); |
| 521 | |
| 522 | if (list_empty(&codec->module_list)) { |
| 523 | dev_err(codec->dev, "No codec module available\n"); |
| 524 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 3994e0b | 2016-01-28 21:15:40 +0530 | [diff] [blame] | 525 | return -ENODEV; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 526 | } |
| 527 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 528 | list_for_each_entry(module, &codec->module_list, list) { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 529 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 530 | data = find_data(module, dai->id); |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 531 | if (data) |
Vaibhav Agarwal | 54e9070 | 2016-04-23 20:04:05 +0530 | [diff] [blame] | 532 | break; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 533 | } |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 534 | if (!data) { |
| 535 | dev_err(dai->dev, "DATA connection missing\n"); |
| 536 | mutex_unlock(&codec->lock); |
| 537 | return -ENODEV; |
| 538 | } |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 539 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 540 | params = find_dai_stream_params(codec, dai->id, substream->stream); |
| 541 | if (!params) { |
| 542 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 543 | mutex_unlock(&codec->lock); |
| 544 | return -EINVAL; |
| 545 | } |
| 546 | |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 547 | bundle = to_gb_bundle(module->dev); |
| 548 | ret = gb_pm_runtime_get_sync(bundle); |
| 549 | if (ret) { |
| 550 | mutex_unlock(&codec->lock); |
| 551 | return ret; |
| 552 | } |
| 553 | |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 554 | switch (substream->stream) { |
| 555 | case SNDRV_PCM_STREAM_PLAYBACK: |
| 556 | ret = gb_audio_apbridgea_set_tx_data_size(data->connection, 0, |
| 557 | 192); |
| 558 | break; |
| 559 | case SNDRV_PCM_STREAM_CAPTURE: |
| 560 | ret = gb_audio_apbridgea_set_rx_data_size(data->connection, 0, |
| 561 | 192); |
| 562 | break; |
| 563 | } |
| 564 | if (ret) { |
| 565 | mutex_unlock(&codec->lock); |
| 566 | dev_err_ratelimited(dai->dev, "set_data_size failed:%d\n", |
| 567 | ret); |
| 568 | return ret; |
| 569 | } |
| 570 | |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 571 | gb_pm_runtime_put_noidle(bundle); |
| 572 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 573 | params->state = GBAUDIO_CODEC_PREPARE; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 574 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | ce94130 | 2016-08-04 15:14:29 +0530 | [diff] [blame] | 575 | return 0; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 576 | } |
| 577 | |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 578 | static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 579 | { |
Vaibhav Agarwal | 796fad4 | 2016-01-28 21:15:39 +0530 | [diff] [blame] | 580 | int ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 581 | struct gbaudio_data_connection *data; |
| 582 | struct gbaudio_module_info *module; |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 583 | struct gb_bundle *bundle; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 584 | struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 585 | struct gbaudio_stream_params *params; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 586 | |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 587 | |
| 588 | dev_dbg(dai->dev, "Mute:%d, Direction:%s\n", mute, |
| 589 | stream ? "CAPTURE":"PLAYBACK"); |
| 590 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 591 | mutex_lock(&codec->lock); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 592 | |
| 593 | params = find_dai_stream_params(codec, dai->id, stream); |
| 594 | if (!params) { |
| 595 | dev_err(codec->dev, "Failed to fetch dai_stream pointer\n"); |
| 596 | mutex_unlock(&codec->lock); |
| 597 | return -EINVAL; |
| 598 | } |
| 599 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 600 | if (list_empty(&codec->module_list)) { |
| 601 | dev_err(codec->dev, "No codec module available\n"); |
Vaibhav Agarwal | 12ce523 | 2016-07-12 04:56:00 -0500 | [diff] [blame] | 602 | if (mute) { |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 603 | params->state = GBAUDIO_CODEC_STOP; |
Vaibhav Agarwal | 12ce523 | 2016-07-12 04:56:00 -0500 | [diff] [blame] | 604 | ret = 0; |
| 605 | } else { |
| 606 | ret = -ENODEV; |
| 607 | } |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 608 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 12ce523 | 2016-07-12 04:56:00 -0500 | [diff] [blame] | 609 | return ret; |
Vaibhav Agarwal | 29386f0 | 2016-02-16 00:27:28 +0530 | [diff] [blame] | 610 | } |
Vaibhav Agarwal | 3994e0b | 2016-01-28 21:15:40 +0530 | [diff] [blame] | 611 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 612 | list_for_each_entry(module, &codec->module_list, list) { |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 613 | /* find the dai */ |
Vaibhav Agarwal | 60e7327 | 2016-08-04 15:14:35 +0530 | [diff] [blame] | 614 | data = find_data(module, dai->id); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 615 | if (data) |
| 616 | break; |
| 617 | } |
| 618 | if (!data) { |
| 619 | dev_err(dai->dev, "%s:%s DATA connection missing\n", |
| 620 | dai->name, module->name); |
Vaibhav Agarwal | 90579d4 | 2016-08-04 15:14:28 +0530 | [diff] [blame] | 621 | mutex_unlock(&codec->lock); |
| 622 | return -ENODEV; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 623 | } |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 624 | |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 625 | bundle = to_gb_bundle(module->dev); |
| 626 | ret = gb_pm_runtime_get_sync(bundle); |
| 627 | if (ret) { |
| 628 | mutex_unlock(&codec->lock); |
| 629 | return ret; |
| 630 | } |
| 631 | |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 632 | if (!mute && !stream) {/* start playback */ |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 633 | ret = gb_audio_apbridgea_prepare_tx(data->connection, |
| 634 | 0); |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 635 | if (!ret) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 636 | ret = gb_audio_apbridgea_start_tx(data->connection, |
| 637 | 0, 0); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 638 | params->state = GBAUDIO_CODEC_START; |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 639 | } else if (!mute && stream) {/* start capture */ |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 640 | ret = gb_audio_apbridgea_prepare_rx(data->connection, |
| 641 | 0); |
| 642 | if (!ret) |
| 643 | ret = gb_audio_apbridgea_start_rx(data->connection, |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 644 | 0); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 645 | params->state = GBAUDIO_CODEC_START; |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 646 | } else if (mute && !stream) {/* stop playback */ |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 647 | ret = gb_audio_apbridgea_stop_tx(data->connection, 0); |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 648 | if (!ret) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 649 | ret = gb_audio_apbridgea_shutdown_tx(data->connection, |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 650 | 0); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 651 | params->state = GBAUDIO_CODEC_STOP; |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 652 | } else if (mute && stream) {/* stop capture */ |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 653 | ret = gb_audio_apbridgea_stop_rx(data->connection, 0); |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 654 | if (!ret) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 655 | ret = gb_audio_apbridgea_shutdown_rx(data->connection, |
Mark Greer | 5bbe14b | 2016-02-29 15:31:02 -0700 | [diff] [blame] | 656 | 0); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 657 | params->state = GBAUDIO_CODEC_STOP; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 658 | } else |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 659 | ret = -EINVAL; |
Vaibhav Agarwal | b7f0088 | 2016-01-13 14:07:52 -0700 | [diff] [blame] | 660 | if (ret) |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 661 | dev_err_ratelimited(dai->dev, |
| 662 | "%s:Error during %s %s stream:%d\n", |
| 663 | module->name, mute ? "Mute" : "Unmute", |
| 664 | stream ? "Capture" : "Playback", ret); |
Vaibhav Agarwal | b07868b | 2016-02-16 22:16:33 +0530 | [diff] [blame] | 665 | |
Vaibhav Agarwal | c388ae7 | 2016-08-04 15:14:37 +0530 | [diff] [blame] | 666 | gb_pm_runtime_put_noidle(bundle); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 667 | mutex_unlock(&codec->lock); |
Vaibhav Agarwal | 90579d4 | 2016-08-04 15:14:28 +0530 | [diff] [blame] | 668 | return ret; |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | static struct snd_soc_dai_ops gbcodec_dai_ops = { |
| 672 | .startup = gbcodec_startup, |
| 673 | .shutdown = gbcodec_shutdown, |
| 674 | .hw_params = gbcodec_hw_params, |
| 675 | .prepare = gbcodec_prepare, |
Vaibhav Agarwal | 27c243c | 2016-06-09 09:30:39 +0530 | [diff] [blame] | 676 | .mute_stream = gbcodec_mute_stream, |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 677 | }; |
| 678 | |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 679 | static struct snd_soc_dai_driver gbaudio_dai[] = { |
| 680 | { |
| 681 | .name = "apb-i2s0", |
| 682 | .id = 0, |
| 683 | .playback = { |
| 684 | .stream_name = "I2S 0 Playback", |
| 685 | .rates = SNDRV_PCM_RATE_48000, |
| 686 | .formats = SNDRV_PCM_FORMAT_S16_LE, |
| 687 | .rate_max = 48000, |
| 688 | .rate_min = 48000, |
| 689 | .channels_min = 1, |
| 690 | .channels_max = 2, |
| 691 | }, |
| 692 | .capture = { |
| 693 | .stream_name = "I2S 0 Capture", |
| 694 | .rates = SNDRV_PCM_RATE_48000, |
| 695 | .formats = SNDRV_PCM_FORMAT_S16_LE, |
| 696 | .rate_max = 48000, |
| 697 | .rate_min = 48000, |
| 698 | .channels_min = 1, |
| 699 | .channels_max = 2, |
| 700 | }, |
| 701 | .ops = &gbcodec_dai_ops, |
| 702 | }, |
| 703 | }; |
| 704 | |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 705 | static int gbaudio_init_jack(struct gbaudio_module_info *module, |
| 706 | struct snd_soc_codec *codec) |
| 707 | { |
| 708 | int ret; |
| 709 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 710 | if (!module->jack_mask) |
| 711 | return 0; |
| 712 | |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 713 | snprintf(module->jack_name, NAME_SIZE, "GB %d Headset Jack", |
| 714 | module->dev_id); |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 715 | ret = snd_soc_jack_new(codec, module->jack_name, module->jack_mask, |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 716 | &module->headset_jack); |
| 717 | if (ret) { |
| 718 | dev_err(module->dev, "Failed to create new jack\n"); |
| 719 | return ret; |
| 720 | } |
| 721 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 722 | if (!module->button_mask) |
| 723 | return 0; |
| 724 | |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 725 | snprintf(module->button_name, NAME_SIZE, "GB %d Button Jack", |
| 726 | module->dev_id); |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 727 | ret = snd_soc_jack_new(codec, module->button_name, module->button_mask, |
| 728 | &module->button_jack); |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 729 | if (ret) { |
| 730 | dev_err(module->dev, "Failed to create button jack\n"); |
| 731 | return ret; |
| 732 | } |
| 733 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 734 | /* |
| 735 | * Currently, max 4 buttons are supported with following key mapping |
| 736 | * BTN_0 = KEY_MEDIA |
| 737 | * BTN_1 = KEY_VOICECOMMAND |
| 738 | * BTN_2 = KEY_VOLUMEUP |
| 739 | * BTN_3 = KEY_VOLUMEDOWN |
| 740 | */ |
| 741 | |
| 742 | if (module->button_mask & SND_JACK_BTN_0) { |
| 743 | ret = snd_jack_set_key(module->button_jack.jack, SND_JACK_BTN_0, |
| 744 | KEY_MEDIA); |
| 745 | if (ret) { |
| 746 | dev_err(module->dev, "Failed to set BTN_0\n"); |
| 747 | return ret; |
| 748 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 749 | } |
| 750 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 751 | if (module->button_mask & SND_JACK_BTN_1) { |
| 752 | ret = snd_jack_set_key(module->button_jack.jack, SND_JACK_BTN_1, |
| 753 | KEY_VOICECOMMAND); |
| 754 | if (ret) { |
| 755 | dev_err(module->dev, "Failed to set BTN_1\n"); |
| 756 | return ret; |
| 757 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 758 | } |
| 759 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 760 | if (module->button_mask & SND_JACK_BTN_2) { |
| 761 | ret = snd_jack_set_key(module->button_jack.jack, SND_JACK_BTN_2, |
| 762 | KEY_VOLUMEUP); |
| 763 | if (ret) { |
| 764 | dev_err(module->dev, "Failed to set BTN_2\n"); |
| 765 | return ret; |
| 766 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 767 | } |
| 768 | |
Vaibhav Agarwal | 847175e8 | 2016-09-01 11:38:40 +0530 | [diff] [blame] | 769 | if (module->button_mask & SND_JACK_BTN_3) { |
| 770 | ret = snd_jack_set_key(module->button_jack.jack, SND_JACK_BTN_3, |
| 771 | KEY_VOLUMEDOWN); |
| 772 | if (ret) { |
| 773 | dev_err(module->dev, "Failed to set BTN_0\n"); |
| 774 | return ret; |
| 775 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | /* FIXME |
| 779 | * verify if this is really required |
| 780 | set_bit(INPUT_PROP_NO_DUMMY_RELEASE, |
| 781 | module->button_jack.jack->input_dev->propbit); |
| 782 | */ |
| 783 | |
| 784 | return 0; |
| 785 | } |
| 786 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 787 | int gbaudio_register_module(struct gbaudio_module_info *module) |
| 788 | { |
| 789 | int ret; |
| 790 | struct snd_soc_codec *codec; |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 791 | struct snd_card *card; |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 792 | struct snd_soc_jack *jack = NULL; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 793 | |
| 794 | if (!gbcodec) { |
| 795 | dev_err(module->dev, "GB Codec not yet probed\n"); |
| 796 | return -EAGAIN; |
| 797 | } |
| 798 | |
| 799 | codec = gbcodec->codec; |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 800 | card = codec->card->snd_card; |
| 801 | |
| 802 | down_write(&card->controls_rwsem); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 803 | |
| 804 | if (module->num_dais) { |
| 805 | dev_err(gbcodec->dev, |
| 806 | "%d:DAIs not supported via gbcodec driver\n", |
| 807 | module->num_dais); |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 808 | up_write(&card->controls_rwsem); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 809 | return -EINVAL; |
| 810 | } |
| 811 | |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 812 | ret = gbaudio_init_jack(module, codec); |
| 813 | if (ret) { |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 814 | up_write(&card->controls_rwsem); |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 815 | return ret; |
| 816 | } |
| 817 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 818 | if (module->dapm_widgets) |
| 819 | snd_soc_dapm_new_controls(&codec->dapm, module->dapm_widgets, |
| 820 | module->num_dapm_widgets); |
| 821 | if (module->controls) |
| 822 | snd_soc_add_codec_controls(codec, module->controls, |
| 823 | module->num_controls); |
| 824 | if (module->dapm_routes) |
| 825 | snd_soc_dapm_add_routes(&codec->dapm, module->dapm_routes, |
| 826 | module->num_dapm_routes); |
| 827 | |
| 828 | /* card already instantiated, create widgets here only */ |
| 829 | if (codec->card->instantiated) { |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 830 | snd_soc_dapm_link_component_dai_widgets(codec->card, |
| 831 | &codec->dapm); |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 832 | #ifdef CONFIG_SND_JACK |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 833 | /* register jack devices for this module from codec->jack_list */ |
| 834 | list_for_each_entry(jack, &codec->jack_list, list) { |
| 835 | if ((jack == &module->headset_jack) |
| 836 | || (jack == &module->button_jack)) |
| 837 | snd_device_register(codec->card->snd_card, |
| 838 | jack->jack); |
| 839 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 840 | #endif |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 841 | } |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 842 | |
Vaibhav Agarwal | c188fdc | 2016-05-04 16:29:23 +0530 | [diff] [blame] | 843 | mutex_lock(&gbcodec->lock); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 844 | list_add(&module->list, &gbcodec->module_list); |
Vaibhav Agarwal | c188fdc | 2016-05-04 16:29:23 +0530 | [diff] [blame] | 845 | mutex_unlock(&gbcodec->lock); |
| 846 | |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 847 | if (codec->card->instantiated) |
| 848 | ret = snd_soc_dapm_new_widgets(&codec->dapm); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 849 | dev_dbg(codec->dev, "Registered %s module\n", module->name); |
| 850 | |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 851 | up_write(&card->controls_rwsem); |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 852 | return ret; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 853 | } |
| 854 | EXPORT_SYMBOL(gbaudio_register_module); |
| 855 | |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 856 | static void gbaudio_codec_clean_data_tx(struct gbaudio_data_connection *data) |
| 857 | { |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 858 | u16 i2s_port, cportid; |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 859 | int ret; |
| 860 | |
| 861 | if (list_is_singular(&gbcodec->module_list)) { |
| 862 | ret = gb_audio_apbridgea_stop_tx(data->connection, 0); |
| 863 | if (ret) |
| 864 | return; |
| 865 | ret = gb_audio_apbridgea_shutdown_tx(data->connection, |
| 866 | 0); |
| 867 | if (ret) |
| 868 | return; |
| 869 | } |
| 870 | i2s_port = 0; /* fixed for now */ |
| 871 | cportid = data->connection->hd_cport_id; |
| 872 | ret = gb_audio_apbridgea_unregister_cport(data->connection, |
| 873 | i2s_port, cportid, |
| 874 | AUDIO_APBRIDGEA_DIRECTION_TX); |
| 875 | data->state[0] = GBAUDIO_CODEC_SHUTDOWN; |
| 876 | } |
| 877 | |
| 878 | static void gbaudio_codec_clean_data_rx(struct gbaudio_data_connection *data) |
| 879 | { |
Chaehyun Lim | 79cb2b26 | 2016-09-20 09:47:30 +0900 | [diff] [blame] | 880 | u16 i2s_port, cportid; |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 881 | int ret; |
| 882 | |
| 883 | if (list_is_singular(&gbcodec->module_list)) { |
| 884 | ret = gb_audio_apbridgea_stop_rx(data->connection, 0); |
| 885 | if (ret) |
| 886 | return; |
| 887 | ret = gb_audio_apbridgea_shutdown_rx(data->connection, |
| 888 | 0); |
| 889 | if (ret) |
| 890 | return; |
| 891 | } |
| 892 | i2s_port = 0; /* fixed for now */ |
| 893 | cportid = data->connection->hd_cport_id; |
| 894 | ret = gb_audio_apbridgea_unregister_cport(data->connection, |
| 895 | i2s_port, cportid, |
| 896 | AUDIO_APBRIDGEA_DIRECTION_RX); |
| 897 | data->state[1] = GBAUDIO_CODEC_SHUTDOWN; |
| 898 | } |
| 899 | |
| 900 | |
Viresh Kumar | 36460e8 | 2016-04-21 08:11:57 +0530 | [diff] [blame] | 901 | static void gbaudio_codec_cleanup(struct gbaudio_module_info *module) |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 902 | { |
| 903 | struct gbaudio_data_connection *data; |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 904 | int pb_state, cap_state; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 905 | |
Vaibhav Agarwal | d764212 | 2016-03-29 23:31:43 +0530 | [diff] [blame] | 906 | dev_dbg(gbcodec->dev, "%s: removed, cleanup APBridge\n", module->name); |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 907 | list_for_each_entry(data, &module->data_list, list) { |
| 908 | pb_state = data->state[0]; |
| 909 | cap_state = data->state[1]; |
Vaibhav Agarwal | d764212 | 2016-03-29 23:31:43 +0530 | [diff] [blame] | 910 | |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 911 | if (pb_state > GBAUDIO_CODEC_SHUTDOWN) |
| 912 | gbaudio_codec_clean_data_tx(data); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 913 | |
Vaibhav Agarwal | 591c452 | 2016-08-04 15:14:39 +0530 | [diff] [blame] | 914 | if (cap_state > GBAUDIO_CODEC_SHUTDOWN) |
| 915 | gbaudio_codec_clean_data_rx(data); |
| 916 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 917 | } |
| 918 | } |
| 919 | |
| 920 | void gbaudio_unregister_module(struct gbaudio_module_info *module) |
| 921 | { |
| 922 | struct snd_soc_codec *codec = gbcodec->codec; |
| 923 | struct snd_card *card = codec->card->snd_card; |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 924 | struct snd_soc_jack *jack, *next_j; |
Vaibhav Agarwal | 33cc283 | 2016-08-05 18:16:30 +0530 | [diff] [blame] | 925 | int mask; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 926 | |
| 927 | dev_dbg(codec->dev, "Unregister %s module\n", module->name); |
| 928 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 929 | down_write(&card->controls_rwsem); |
| 930 | mutex_lock(&gbcodec->lock); |
Vaibhav Agarwal | bb9986e | 2016-05-04 16:29:22 +0530 | [diff] [blame] | 931 | gbaudio_codec_cleanup(module); |
| 932 | list_del(&module->list); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 933 | dev_dbg(codec->dev, "Process Unregister %s module\n", module->name); |
Vaibhav Agarwal | c188fdc | 2016-05-04 16:29:23 +0530 | [diff] [blame] | 934 | mutex_unlock(&gbcodec->lock); |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 935 | |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 936 | #ifdef CONFIG_SND_JACK |
| 937 | /* free jack devices for this module from codec->jack_list */ |
| 938 | list_for_each_entry_safe(jack, next_j, &codec->jack_list, list) { |
Vaibhav Agarwal | 33cc283 | 2016-08-05 18:16:30 +0530 | [diff] [blame] | 939 | if (jack == &module->headset_jack) |
| 940 | mask = GBCODEC_JACK_MASK; |
| 941 | else if (jack == &module->button_jack) |
| 942 | mask = GBCODEC_JACK_BUTTON_MASK; |
| 943 | else |
| 944 | mask = 0; |
| 945 | if (mask) { |
| 946 | dev_dbg(module->dev, "Report %s removal\n", |
| 947 | jack->jack->id); |
| 948 | snd_soc_jack_report(jack, 0, mask); |
Vaibhav Agarwal | 64a7e2c | 2016-03-29 16:32:36 +0530 | [diff] [blame] | 949 | snd_device_free(codec->card->snd_card, jack->jack); |
| 950 | list_del(&jack->list); |
| 951 | } |
| 952 | } |
| 953 | #endif |
| 954 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 955 | if (module->dapm_routes) { |
| 956 | dev_dbg(codec->dev, "Removing %d routes\n", |
| 957 | module->num_dapm_routes); |
| 958 | snd_soc_dapm_del_routes(&codec->dapm, module->dapm_routes, |
| 959 | module->num_dapm_routes); |
| 960 | } |
| 961 | if (module->controls) { |
| 962 | dev_dbg(codec->dev, "Removing %d controls\n", |
| 963 | module->num_controls); |
Vaibhav Agarwal | 2b8c2b5 | 2016-04-21 22:14:02 +0530 | [diff] [blame] | 964 | snd_soc_remove_codec_controls(codec, module->controls, |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 965 | module->num_controls); |
| 966 | } |
| 967 | if (module->dapm_widgets) { |
| 968 | dev_dbg(codec->dev, "Removing %d widgets\n", |
| 969 | module->num_dapm_widgets); |
| 970 | snd_soc_dapm_free_controls(&codec->dapm, module->dapm_widgets, |
| 971 | module->num_dapm_widgets); |
| 972 | } |
| 973 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 974 | dev_dbg(codec->dev, "Unregistered %s module\n", module->name); |
| 975 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 976 | up_write(&card->controls_rwsem); |
| 977 | } |
| 978 | EXPORT_SYMBOL(gbaudio_unregister_module); |
| 979 | |
Vaibhav Agarwal | 6339d23 | 2016-01-13 14:07:51 -0700 | [diff] [blame] | 980 | /* |
| 981 | * codec driver ops |
| 982 | */ |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 983 | static int gbcodec_probe(struct snd_soc_codec *codec) |
| 984 | { |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 985 | int i; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 986 | struct gbaudio_codec_info *info; |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 987 | struct gbaudio_codec_dai *dai; |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 988 | |
| 989 | info = devm_kzalloc(codec->dev, sizeof(*info), GFP_KERNEL); |
| 990 | if (!info) |
| 991 | return -ENOMEM; |
| 992 | |
| 993 | info->dev = codec->dev; |
| 994 | INIT_LIST_HEAD(&info->module_list); |
| 995 | mutex_init(&info->lock); |
Vaibhav Agarwal | 1986660 | 2016-08-04 15:14:38 +0530 | [diff] [blame] | 996 | INIT_LIST_HEAD(&info->dai_list); |
| 997 | |
| 998 | /* init dai_list used to maintain runtime stream info */ |
| 999 | for (i = 0; i < ARRAY_SIZE(gbaudio_dai); i++) { |
| 1000 | dai = devm_kzalloc(codec->dev, sizeof(*dai), GFP_KERNEL); |
| 1001 | if (!dai) |
| 1002 | return -ENOMEM; |
| 1003 | dai->id = gbaudio_dai[i].id; |
| 1004 | list_add(&dai->list, &info->dai_list); |
| 1005 | } |
| 1006 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1007 | info->codec = codec; |
| 1008 | snd_soc_codec_set_drvdata(codec, info); |
| 1009 | gbcodec = info; |
| 1010 | |
Richard Groux | 3311157 | 2016-09-21 19:05:31 +0200 | [diff] [blame] | 1011 | device_init_wakeup(codec->dev, 1); |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1012 | return 0; |
| 1013 | } |
| 1014 | |
| 1015 | static int gbcodec_remove(struct snd_soc_codec *codec) |
| 1016 | { |
| 1017 | /* Empty function for now */ |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1021 | static u8 gbcodec_reg[GBCODEC_REG_COUNT] = { |
| 1022 | [GBCODEC_CTL_REG] = GBCODEC_CTL_REG_DEFAULT, |
| 1023 | [GBCODEC_MUTE_REG] = GBCODEC_MUTE_REG_DEFAULT, |
| 1024 | [GBCODEC_PB_LVOL_REG] = GBCODEC_PB_VOL_REG_DEFAULT, |
| 1025 | [GBCODEC_PB_RVOL_REG] = GBCODEC_PB_VOL_REG_DEFAULT, |
| 1026 | [GBCODEC_CAP_LVOL_REG] = GBCODEC_CAP_VOL_REG_DEFAULT, |
| 1027 | [GBCODEC_CAP_RVOL_REG] = GBCODEC_CAP_VOL_REG_DEFAULT, |
| 1028 | [GBCODEC_APB1_MUX_REG] = GBCODEC_APB1_MUX_REG_DEFAULT, |
| 1029 | [GBCODEC_APB2_MUX_REG] = GBCODEC_APB2_MUX_REG_DEFAULT, |
| 1030 | }; |
| 1031 | |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1032 | static int gbcodec_write(struct snd_soc_codec *codec, unsigned int reg, |
| 1033 | unsigned int value) |
| 1034 | { |
| 1035 | int ret = 0; |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1036 | |
| 1037 | if (reg == SND_SOC_NOPM) |
| 1038 | return 0; |
| 1039 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1040 | BUG_ON(reg >= GBCODEC_REG_COUNT); |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1041 | |
| 1042 | gbcodec_reg[reg] = value; |
| 1043 | dev_dbg(codec->dev, "reg[%d] = 0x%x\n", reg, value); |
| 1044 | |
| 1045 | return ret; |
| 1046 | } |
| 1047 | |
| 1048 | static unsigned int gbcodec_read(struct snd_soc_codec *codec, |
| 1049 | unsigned int reg) |
| 1050 | { |
| 1051 | unsigned int val = 0; |
| 1052 | |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1053 | if (reg == SND_SOC_NOPM) |
| 1054 | return 0; |
| 1055 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1056 | BUG_ON(reg >= GBCODEC_REG_COUNT); |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1057 | |
| 1058 | val = gbcodec_reg[reg]; |
| 1059 | dev_dbg(codec->dev, "reg[%d] = 0x%x\n", reg, val); |
| 1060 | |
| 1061 | return val; |
| 1062 | } |
| 1063 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1064 | static struct snd_soc_codec_driver soc_codec_dev_gbaudio = { |
| 1065 | .probe = gbcodec_probe, |
| 1066 | .remove = gbcodec_remove, |
| 1067 | |
| 1068 | .read = gbcodec_read, |
| 1069 | .write = gbcodec_write, |
| 1070 | |
| 1071 | .reg_cache_size = GBCODEC_REG_COUNT, |
| 1072 | .reg_cache_default = gbcodec_reg_defaults, |
| 1073 | .reg_word_size = 1, |
| 1074 | |
| 1075 | .idle_bias_off = true, |
| 1076 | .ignore_pmdown_time = 1, |
Viresh Kumar | 35e2879 | 2016-01-27 16:57:48 +0530 | [diff] [blame] | 1077 | }; |
Vaibhav Agarwal | 2a70e49 | 2016-01-13 14:07:50 -0700 | [diff] [blame] | 1078 | |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1079 | #ifdef CONFIG_PM |
| 1080 | static int gbaudio_codec_suspend(struct device *dev) |
| 1081 | { |
| 1082 | dev_dbg(dev, "%s: suspend\n", __func__); |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
| 1086 | static int gbaudio_codec_resume(struct device *dev) |
| 1087 | { |
| 1088 | dev_dbg(dev, "%s: resume\n", __func__); |
| 1089 | return 0; |
| 1090 | } |
| 1091 | |
| 1092 | static const struct dev_pm_ops gbaudio_codec_pm_ops = { |
| 1093 | .suspend = gbaudio_codec_suspend, |
| 1094 | .resume = gbaudio_codec_resume, |
| 1095 | }; |
| 1096 | #endif |
| 1097 | |
| 1098 | static int gbaudio_codec_probe(struct platform_device *pdev) |
| 1099 | { |
| 1100 | return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_gbaudio, |
| 1101 | gbaudio_dai, ARRAY_SIZE(gbaudio_dai)); |
| 1102 | } |
| 1103 | |
| 1104 | static int gbaudio_codec_remove(struct platform_device *pdev) |
| 1105 | { |
| 1106 | snd_soc_unregister_codec(&pdev->dev); |
| 1107 | return 0; |
| 1108 | } |
| 1109 | |
| 1110 | static const struct of_device_id greybus_asoc_machine_of_match[] = { |
Vaibhav Agarwal | 098dfaf | 2016-07-22 09:41:30 +0530 | [diff] [blame] | 1111 | { .compatible = "toshiba,apb-dummy-codec", }, |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1112 | {}, |
| 1113 | }; |
| 1114 | |
| 1115 | static struct platform_driver gbaudio_codec_driver = { |
| 1116 | .driver = { |
Vaibhav Agarwal | 098dfaf | 2016-07-22 09:41:30 +0530 | [diff] [blame] | 1117 | .name = "apb-dummy-codec", |
Vaibhav Agarwal | 6dd6764 | 2016-03-29 23:31:41 +0530 | [diff] [blame] | 1118 | .owner = THIS_MODULE, |
| 1119 | #ifdef CONFIG_PM |
| 1120 | .pm = &gbaudio_codec_pm_ops, |
| 1121 | #endif |
| 1122 | .of_match_table = greybus_asoc_machine_of_match, |
| 1123 | }, |
| 1124 | .probe = gbaudio_codec_probe, |
| 1125 | .remove = gbaudio_codec_remove, |
| 1126 | }; |
| 1127 | module_platform_driver(gbaudio_codec_driver); |
| 1128 | |
Vaibhav Agarwal | 098dfaf | 2016-07-22 09:41:30 +0530 | [diff] [blame] | 1129 | MODULE_DESCRIPTION("APBridge ALSA SoC dummy codec driver"); |
Vaibhav Agarwal | d3d2af5 | 2015-11-23 15:57:45 +0530 | [diff] [blame] | 1130 | MODULE_AUTHOR("Vaibhav Agarwal <vaibhav.agarwal@linaro.org>"); |
| 1131 | MODULE_LICENSE("GPL v2"); |
Vaibhav Agarwal | 098dfaf | 2016-07-22 09:41:30 +0530 | [diff] [blame] | 1132 | MODULE_ALIAS("platform:apb-dummy-codec"); |