Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Renesas R-Car SRU/SCU/SSIU/SSI support |
| 3 | * |
| 4 | * Copyright (C) 2013 Renesas Solutions Corp. |
| 5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| 6 | * |
| 7 | * Based on fsi.c |
| 8 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * Renesas R-Car sound device structure |
| 17 | * |
| 18 | * Gen1 |
| 19 | * |
| 20 | * SRU : Sound Routing Unit |
| 21 | * - SRC : Sampling Rate Converter |
| 22 | * - CMD |
| 23 | * - CTU : Channel Count Conversion Unit |
| 24 | * - MIX : Mixer |
| 25 | * - DVC : Digital Volume and Mute Function |
| 26 | * - SSI : Serial Sound Interface |
| 27 | * |
| 28 | * Gen2 |
| 29 | * |
| 30 | * SCU : Sampling Rate Converter Unit |
| 31 | * - SRC : Sampling Rate Converter |
| 32 | * - CMD |
| 33 | * - CTU : Channel Count Conversion Unit |
| 34 | * - MIX : Mixer |
| 35 | * - DVC : Digital Volume and Mute Function |
| 36 | * SSIU : Serial Sound Interface Unit |
| 37 | * - SSI : Serial Sound Interface |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | * driver data Image |
| 42 | * |
| 43 | * rsnd_priv |
| 44 | * | |
| 45 | * | ** this depends on Gen1/Gen2 |
| 46 | * | |
| 47 | * +- gen |
| 48 | * | |
| 49 | * | ** these depend on data path |
| 50 | * | ** gen and platform data control it |
| 51 | * | |
| 52 | * +- rdai[0] |
| 53 | * | | sru ssiu ssi |
| 54 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... |
| 55 | * | | |
| 56 | * | | sru ssiu ssi |
| 57 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... |
| 58 | * | |
| 59 | * +- rdai[1] |
| 60 | * | | sru ssiu ssi |
| 61 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... |
| 62 | * | | |
| 63 | * | | sru ssiu ssi |
| 64 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... |
| 65 | * ... |
| 66 | * | |
| 67 | * | ** these control ssi |
| 68 | * | |
| 69 | * +- ssi |
| 70 | * | | |
| 71 | * | +- ssi[0] |
| 72 | * | +- ssi[1] |
| 73 | * | +- ssi[2] |
| 74 | * | ... |
| 75 | * | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 76 | * | ** these control src |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 77 | * | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 78 | * +- src |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 79 | * | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 80 | * +- src[0] |
| 81 | * +- src[1] |
| 82 | * +- src[2] |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 83 | * ... |
| 84 | * |
| 85 | * |
| 86 | * for_each_rsnd_dai(xx, priv, xx) |
| 87 | * rdai[0] => rdai[1] => rdai[2] => ... |
| 88 | * |
| 89 | * for_each_rsnd_mod(xx, rdai, xx) |
| 90 | * [mod] => [mod] => [mod] => ... |
| 91 | * |
| 92 | * rsnd_dai_call(xxx, fn ) |
| 93 | * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... |
| 94 | * |
| 95 | */ |
| 96 | #include <linux/pm_runtime.h> |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 97 | #include <linux/shdma-base.h> |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 98 | #include "rsnd.h" |
| 99 | |
| 100 | #define RSND_RATES SNDRV_PCM_RATE_8000_96000 |
| 101 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) |
| 102 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 103 | static struct rsnd_of_data rsnd_of_data_gen1 = { |
| 104 | .flags = RSND_GEN1, |
| 105 | }; |
| 106 | |
| 107 | static struct rsnd_of_data rsnd_of_data_gen2 = { |
| 108 | .flags = RSND_GEN2, |
| 109 | }; |
| 110 | |
| 111 | static struct of_device_id rsnd_of_match[] = { |
| 112 | { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 }, |
| 113 | { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 }, |
| 114 | {}, |
| 115 | }; |
| 116 | MODULE_DEVICE_TABLE(of, rsnd_of_match); |
| 117 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 118 | /* |
| 119 | * rsnd_platform functions |
| 120 | */ |
| 121 | #define rsnd_platform_call(priv, dai, func, param...) \ |
Kuninori Morimoto | 740ad6c | 2013-10-11 00:06:34 -0700 | [diff] [blame] | 122 | (!(priv->info->func) ? 0 : \ |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 123 | priv->info->func(param)) |
| 124 | |
Kuninori Morimoto | 389933d | 2014-03-03 20:50:00 -0800 | [diff] [blame] | 125 | #define rsnd_is_enable_path(io, name) \ |
| 126 | ((io)->info ? (io)->info->name : NULL) |
| 127 | #define rsnd_info_id(priv, io, name) \ |
| 128 | ((io)->info->name - priv->info->name##_info) |
| 129 | |
Kuninori Morimoto | 3337744 | 2013-07-21 21:36:21 -0700 | [diff] [blame] | 130 | /* |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 131 | * rsnd_mod functions |
| 132 | */ |
| 133 | char *rsnd_mod_name(struct rsnd_mod *mod) |
| 134 | { |
| 135 | if (!mod || !mod->ops) |
| 136 | return "unknown"; |
| 137 | |
| 138 | return mod->ops->name; |
| 139 | } |
| 140 | |
Kuninori Morimoto | d9288d0 | 2014-06-22 17:56:23 -0700 | [diff] [blame] | 141 | char *rsnd_mod_dma_name(struct rsnd_mod *mod) |
| 142 | { |
| 143 | if (!mod || !mod->ops) |
| 144 | return "unknown"; |
| 145 | |
| 146 | if (!mod->ops->dma_name) |
| 147 | return mod->ops->name; |
| 148 | |
| 149 | return mod->ops->dma_name(mod); |
| 150 | } |
| 151 | |
Kuninori Morimoto | 1b13d118 | 2015-01-15 08:08:34 +0000 | [diff] [blame] | 152 | void rsnd_mod_init(struct rsnd_mod *mod, |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 153 | struct rsnd_mod_ops *ops, |
Kuninori Morimoto | 8564295 | 2015-01-15 08:03:22 +0000 | [diff] [blame] | 154 | struct clk *clk, |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 155 | enum rsnd_mod_type type, |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 156 | int id) |
| 157 | { |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 158 | mod->id = id; |
| 159 | mod->ops = ops; |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 160 | mod->type = type; |
Kuninori Morimoto | 8564295 | 2015-01-15 08:03:22 +0000 | [diff] [blame] | 161 | mod->clk = clk; |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | /* |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 165 | * rsnd_dma functions |
| 166 | */ |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 167 | void rsnd_dma_stop(struct rsnd_dma *dma) |
| 168 | { |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 169 | dmaengine_terminate_all(dma->chan); |
| 170 | } |
| 171 | |
| 172 | static void rsnd_dma_complete(void *data) |
| 173 | { |
| 174 | struct rsnd_dma *dma = (struct rsnd_dma *)data; |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 175 | struct rsnd_mod *mod = rsnd_dma_to_mod(dma); |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 176 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 177 | |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 178 | /* |
| 179 | * Renesas sound Gen1 needs 1 DMAC, |
| 180 | * Gen2 needs 2 DMAC. |
| 181 | * In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri. |
| 182 | * But, Audio-DMAC-peri-peri doesn't have interrupt, |
| 183 | * and this driver is assuming that here. |
| 184 | * |
| 185 | * If Audio-DMAC-peri-peri has interrpt, |
| 186 | * rsnd_dai_pointer_update() will be called twice, |
| 187 | * ant it will breaks io->byte_pos |
| 188 | */ |
Kuninori Morimoto | 836b31f | 2014-04-23 14:59:12 +0900 | [diff] [blame] | 189 | |
| 190 | rsnd_dai_pointer_update(io, io->byte_per_period); |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 191 | } |
| 192 | |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 193 | void rsnd_dma_start(struct rsnd_dma *dma) |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 194 | { |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 195 | struct rsnd_mod *mod = rsnd_dma_to_mod(dma); |
| 196 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
| 197 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 198 | struct snd_pcm_substream *substream = io->substream; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 199 | struct device *dev = rsnd_priv_to_dev(priv); |
| 200 | struct dma_async_tx_descriptor *desc; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 201 | |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 202 | desc = dmaengine_prep_dma_cyclic(dma->chan, |
Kuninori Morimoto | 3403710 | 2014-06-22 17:59:02 -0700 | [diff] [blame] | 203 | (dma->addr) ? dma->addr : |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 204 | substream->runtime->dma_addr, |
| 205 | snd_pcm_lib_buffer_bytes(substream), |
| 206 | snd_pcm_lib_period_bytes(substream), |
| 207 | dma->dir, |
| 208 | DMA_PREP_INTERRUPT | DMA_CTRL_ACK); |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 209 | |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 210 | if (!desc) { |
| 211 | dev_err(dev, "dmaengine_prep_slave_sg() fail\n"); |
| 212 | return; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 213 | } |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 214 | |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 215 | desc->callback = rsnd_dma_complete; |
| 216 | desc->callback_param = dma; |
Kuninori Morimoto | f5cab3b | 2014-01-23 18:40:27 -0800 | [diff] [blame] | 217 | |
Kuninori Morimoto | ccd0155 | 2014-06-22 17:56:41 -0700 | [diff] [blame] | 218 | if (dmaengine_submit(desc) < 0) { |
| 219 | dev_err(dev, "dmaengine_submit() fail\n"); |
| 220 | return; |
| 221 | } |
| 222 | |
| 223 | dma_async_issue_pending(dma->chan); |
Kuninori Morimoto | f5cab3b | 2014-01-23 18:40:27 -0800 | [diff] [blame] | 224 | } |
| 225 | |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 226 | int rsnd_dma_available(struct rsnd_dma *dma) |
| 227 | { |
| 228 | return !!dma->chan; |
| 229 | } |
| 230 | |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 231 | #define DMA_NAME_SIZE 16 |
| 232 | #define MOD_MAX 4 /* MEM/SSI/SRC/DVC */ |
| 233 | static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod) |
| 234 | { |
| 235 | if (mod) |
| 236 | return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d", |
Kuninori Morimoto | d9288d0 | 2014-06-22 17:56:23 -0700 | [diff] [blame] | 237 | rsnd_mod_dma_name(mod), rsnd_mod_id(mod)); |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 238 | else |
| 239 | return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem"); |
| 240 | |
| 241 | } |
| 242 | |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 243 | static void rsnd_dma_of_name(struct rsnd_mod *mod_from, |
| 244 | struct rsnd_mod *mod_to, |
| 245 | char *dma_name) |
| 246 | { |
| 247 | int index = 0; |
| 248 | |
| 249 | index = _rsnd_dma_of_name(dma_name + index, mod_from); |
| 250 | *(dma_name + index++) = '_'; |
| 251 | index = _rsnd_dma_of_name(dma_name + index, mod_to); |
| 252 | } |
| 253 | |
| 254 | static void rsnd_dma_of_path(struct rsnd_dma *dma, |
| 255 | int is_play, |
| 256 | struct rsnd_mod **mod_from, |
| 257 | struct rsnd_mod **mod_to) |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 258 | { |
| 259 | struct rsnd_mod *this = rsnd_dma_to_mod(dma); |
| 260 | struct rsnd_dai_stream *io = rsnd_mod_to_io(this); |
| 261 | struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io); |
| 262 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); |
| 263 | struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); |
| 264 | struct rsnd_mod *mod[MOD_MAX]; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 265 | int i, index; |
| 266 | |
| 267 | |
| 268 | for (i = 0; i < MOD_MAX; i++) |
| 269 | mod[i] = NULL; |
| 270 | |
| 271 | /* |
| 272 | * in play case... |
| 273 | * |
| 274 | * src -> dst |
| 275 | * |
| 276 | * mem -> SSI |
| 277 | * mem -> SRC -> SSI |
| 278 | * mem -> SRC -> DVC -> SSI |
| 279 | */ |
| 280 | mod[0] = NULL; /* for "mem" */ |
| 281 | index = 1; |
| 282 | for (i = 1; i < MOD_MAX; i++) { |
| 283 | if (!src) { |
| 284 | mod[i] = ssi; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 285 | } else if (!dvc) { |
| 286 | mod[i] = src; |
| 287 | src = NULL; |
| 288 | } else { |
Kuninori Morimoto | 34cb612 | 2014-06-22 17:59:28 -0700 | [diff] [blame] | 289 | if ((!is_play) && (this == src)) |
| 290 | this = dvc; |
| 291 | |
| 292 | mod[i] = (is_play) ? src : dvc; |
| 293 | i++; |
| 294 | mod[i] = (is_play) ? dvc : src; |
| 295 | src = NULL; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 296 | dvc = NULL; |
| 297 | } |
| 298 | |
| 299 | if (mod[i] == this) |
| 300 | index = i; |
Kuninori Morimoto | c08c3b0 | 2014-06-18 17:55:09 +0900 | [diff] [blame] | 301 | |
| 302 | if (mod[i] == ssi) |
| 303 | break; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | if (is_play) { |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 307 | *mod_from = mod[index - 1]; |
| 308 | *mod_to = mod[index]; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 309 | } else { |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 310 | *mod_from = mod[index]; |
| 311 | *mod_to = mod[index - 1]; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 312 | } |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 313 | } |
| 314 | |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 315 | int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 316 | int is_play, int id) |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 317 | { |
| 318 | struct device *dev = rsnd_priv_to_dev(priv); |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 319 | struct dma_slave_config cfg; |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 320 | struct rsnd_mod *mod_from; |
| 321 | struct rsnd_mod *mod_to; |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 322 | char dma_name[DMA_NAME_SIZE]; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 323 | dma_cap_mask_t mask; |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 324 | int ret; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 325 | |
| 326 | if (dma->chan) { |
| 327 | dev_err(dev, "it already has dma channel\n"); |
| 328 | return -EIO; |
| 329 | } |
| 330 | |
| 331 | dma_cap_zero(mask); |
| 332 | dma_cap_set(DMA_SLAVE, mask); |
| 333 | |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 334 | rsnd_dma_of_path(dma, is_play, &mod_from, &mod_to); |
| 335 | rsnd_dma_of_name(mod_from, mod_to, dma_name); |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 336 | |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 337 | cfg.slave_id = id; |
| 338 | cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; |
| 339 | cfg.src_addr = rsnd_gen_dma_addr(priv, mod_from, is_play, 1); |
| 340 | cfg.dst_addr = rsnd_gen_dma_addr(priv, mod_to, is_play, 0); |
Kuninori Morimoto | 2bf865b | 2014-07-16 23:18:44 -0700 | [diff] [blame] | 341 | cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; |
| 342 | cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; |
Kuninori Morimoto | 3752303 | 2014-06-22 17:58:26 -0700 | [diff] [blame] | 343 | |
| 344 | dev_dbg(dev, "dma : %s %pad -> %pad\n", |
| 345 | dma_name, &cfg.src_addr, &cfg.dst_addr); |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 346 | |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 347 | dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter, |
| 348 | (void *)id, dev, |
Kuninori Morimoto | 199e7688 | 2014-05-22 23:25:49 -0700 | [diff] [blame] | 349 | dma_name); |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 350 | if (!dma->chan) { |
| 351 | dev_err(dev, "can't get dma channel\n"); |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 352 | goto rsnd_dma_channel_err; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 355 | ret = dmaengine_slave_config(dma->chan, &cfg); |
| 356 | if (ret < 0) |
| 357 | goto rsnd_dma_init_err; |
| 358 | |
Kuninori Morimoto | 3403710 | 2014-06-22 17:59:02 -0700 | [diff] [blame] | 359 | dma->addr = is_play ? cfg.src_addr : cfg.dst_addr; |
Lars-Peter Clausen | cd7bcc6 | 2014-06-19 09:40:30 +0200 | [diff] [blame] | 360 | dma->dir = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 361 | |
| 362 | return 0; |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 363 | |
| 364 | rsnd_dma_init_err: |
| 365 | rsnd_dma_quit(priv, dma); |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 366 | rsnd_dma_channel_err: |
Kuninori Morimoto | 9ade09d | 2013-10-29 00:52:19 -0700 | [diff] [blame] | 367 | |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 368 | /* |
| 369 | * DMA failed. try to PIO mode |
| 370 | * see |
Kuninori Morimoto | 97463e19 | 2014-11-27 08:02:43 +0000 | [diff] [blame] | 371 | * rsnd_ssi_fallback() |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 372 | * rsnd_rdai_continuance_probe() |
| 373 | */ |
| 374 | return -EAGAIN; |
Kuninori Morimoto | 0a4d94c | 2013-07-28 18:58:50 -0700 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | void rsnd_dma_quit(struct rsnd_priv *priv, |
| 378 | struct rsnd_dma *dma) |
| 379 | { |
| 380 | if (dma->chan) |
| 381 | dma_release_channel(dma->chan); |
| 382 | |
| 383 | dma->chan = NULL; |
| 384 | } |
| 385 | |
| 386 | /* |
Kuninori Morimoto | d7bdbc5 | 2014-05-08 17:44:14 -0700 | [diff] [blame] | 387 | * settting function |
| 388 | */ |
| 389 | u32 rsnd_get_adinr(struct rsnd_mod *mod) |
| 390 | { |
| 391 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
| 392 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); |
| 393 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
| 394 | struct device *dev = rsnd_priv_to_dev(priv); |
| 395 | u32 adinr = runtime->channels; |
| 396 | |
| 397 | switch (runtime->sample_bits) { |
| 398 | case 16: |
| 399 | adinr |= (8 << 16); |
| 400 | break; |
| 401 | case 32: |
| 402 | adinr |= (0 << 16); |
| 403 | break; |
| 404 | default: |
| 405 | dev_warn(dev, "not supported sample bits\n"); |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | return adinr; |
| 410 | } |
| 411 | |
| 412 | /* |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 413 | * rsnd_dai functions |
| 414 | */ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 415 | #define __rsnd_mod_call(mod, func, param...) \ |
Kuninori Morimoto | d870a91e | 2014-02-24 22:14:41 -0800 | [diff] [blame] | 416 | ({ \ |
| 417 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ |
| 418 | struct device *dev = rsnd_priv_to_dev(priv); \ |
Kuninori Morimoto | 417f964 | 2014-11-27 08:02:55 +0000 | [diff] [blame] | 419 | u32 mask = 1 << __rsnd_mod_shift_##func; \ |
| 420 | u32 call = __rsnd_mod_call_##func << __rsnd_mod_shift_##func; \ |
| 421 | int ret = 0; \ |
| 422 | if ((mod->status & mask) == call) { \ |
| 423 | dev_dbg(dev, "%s[%d] %s\n", \ |
| 424 | rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 425 | ret = (mod)->ops->func(mod, param); \ |
Kuninori Morimoto | 417f964 | 2014-11-27 08:02:55 +0000 | [diff] [blame] | 426 | mod->status = (mod->status & ~mask) | (~call & mask); \ |
| 427 | } \ |
| 428 | ret; \ |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 429 | }) |
| 430 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 431 | #define rsnd_mod_call(mod, func, param...) \ |
Kuninori Morimoto | d870a91e | 2014-02-24 22:14:41 -0800 | [diff] [blame] | 432 | (!(mod) ? -ENODEV : \ |
| 433 | !((mod)->ops->func) ? 0 : \ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 434 | __rsnd_mod_call(mod, func, param)) |
Kuninori Morimoto | d870a91e | 2014-02-24 22:14:41 -0800 | [diff] [blame] | 435 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 436 | #define rsnd_dai_call(fn, io, param...) \ |
Kuninori Morimoto | d870a91e | 2014-02-24 22:14:41 -0800 | [diff] [blame] | 437 | ({ \ |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 438 | struct rsnd_mod *mod; \ |
| 439 | int ret = 0, i; \ |
| 440 | for (i = 0; i < RSND_MOD_MAX; i++) { \ |
| 441 | mod = (io)->mod[i]; \ |
| 442 | if (!mod) \ |
| 443 | continue; \ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 444 | ret = rsnd_mod_call(mod, fn, param); \ |
Kuninori Morimoto | d870a91e | 2014-02-24 22:14:41 -0800 | [diff] [blame] | 445 | if (ret < 0) \ |
| 446 | break; \ |
| 447 | } \ |
| 448 | ret; \ |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 449 | }) |
| 450 | |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 451 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 452 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 453 | { |
Kuninori Morimoto | 6020779 | 2013-11-10 17:00:42 -0800 | [diff] [blame] | 454 | if (!mod) |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 455 | return -EIO; |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 456 | |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 457 | if (io->mod[mod->type]) { |
Kuninori Morimoto | 6020779 | 2013-11-10 17:00:42 -0800 | [diff] [blame] | 458 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
| 459 | struct device *dev = rsnd_priv_to_dev(priv); |
| 460 | |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 461 | dev_err(dev, "%s%d is not empty\n", |
| 462 | rsnd_mod_name(mod), |
| 463 | rsnd_mod_id(mod)); |
| 464 | return -EIO; |
| 465 | } |
| 466 | |
Kuninori Morimoto | a126021 | 2014-03-02 23:42:55 -0800 | [diff] [blame] | 467 | io->mod[mod->type] = mod; |
Kuninori Morimoto | 4686a0a | 2014-01-23 18:41:44 -0800 | [diff] [blame] | 468 | mod->io = io; |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 469 | |
| 470 | return 0; |
| 471 | } |
| 472 | |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 473 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
| 474 | struct rsnd_dai_stream *io) |
| 475 | { |
| 476 | mod->io = NULL; |
| 477 | io->mod[mod->type] = NULL; |
| 478 | } |
| 479 | |
Kuninori Morimoto | 710d088 | 2015-01-15 08:03:38 +0000 | [diff] [blame] | 480 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 481 | { |
Kuninori Morimoto | ecba9e7 | 2014-02-24 22:15:18 -0800 | [diff] [blame] | 482 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
Kuninori Morimoto | 2192f81 | 2013-10-11 00:07:48 -0700 | [diff] [blame] | 483 | return NULL; |
| 484 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 485 | return priv->rdai + id; |
| 486 | } |
| 487 | |
| 488 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
| 489 | { |
| 490 | struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); |
| 491 | |
Kuninori Morimoto | 710d088 | 2015-01-15 08:03:38 +0000 | [diff] [blame] | 492 | return rsnd_rdai_get(priv, dai->id); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 493 | } |
| 494 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 495 | /* |
| 496 | * rsnd_soc_dai functions |
| 497 | */ |
| 498 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) |
| 499 | { |
| 500 | struct snd_pcm_substream *substream = io->substream; |
| 501 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 502 | int pos = io->byte_pos + additional; |
| 503 | |
| 504 | pos %= (runtime->periods * io->byte_per_period); |
| 505 | |
| 506 | return pos; |
| 507 | } |
| 508 | |
| 509 | void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
| 510 | { |
| 511 | io->byte_pos += byte; |
| 512 | |
| 513 | if (io->byte_pos >= io->next_period_byte) { |
| 514 | struct snd_pcm_substream *substream = io->substream; |
| 515 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 516 | |
| 517 | io->period_pos++; |
| 518 | io->next_period_byte += io->byte_per_period; |
| 519 | |
| 520 | if (io->period_pos >= runtime->periods) { |
| 521 | io->byte_pos = 0; |
| 522 | io->period_pos = 0; |
| 523 | io->next_period_byte = io->byte_per_period; |
| 524 | } |
| 525 | |
| 526 | snd_pcm_period_elapsed(substream); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | static int rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
| 531 | struct snd_pcm_substream *substream) |
| 532 | { |
| 533 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 534 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 535 | io->substream = substream; |
| 536 | io->byte_pos = 0; |
| 537 | io->period_pos = 0; |
| 538 | io->byte_per_period = runtime->period_size * |
| 539 | runtime->channels * |
| 540 | samples_to_bytes(runtime, 1); |
| 541 | io->next_period_byte = io->byte_per_period; |
| 542 | |
| 543 | return 0; |
| 544 | } |
| 545 | |
| 546 | static |
| 547 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) |
| 548 | { |
| 549 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 550 | |
| 551 | return rtd->cpu_dai; |
| 552 | } |
| 553 | |
| 554 | static |
| 555 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, |
| 556 | struct snd_pcm_substream *substream) |
| 557 | { |
| 558 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 559 | return &rdai->playback; |
| 560 | else |
| 561 | return &rdai->capture; |
| 562 | } |
| 563 | |
| 564 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, |
| 565 | struct snd_soc_dai *dai) |
| 566 | { |
| 567 | struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); |
| 568 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
| 569 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); |
Kuninori Morimoto | 29e69fd | 2014-05-08 01:59:26 -0700 | [diff] [blame] | 570 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 571 | int ret; |
| 572 | unsigned long flags; |
| 573 | |
| 574 | rsnd_lock(priv, flags); |
| 575 | |
| 576 | switch (cmd) { |
| 577 | case SNDRV_PCM_TRIGGER_START: |
| 578 | ret = rsnd_dai_stream_init(io, substream); |
| 579 | if (ret < 0) |
| 580 | goto dai_trigger_end; |
| 581 | |
| 582 | ret = rsnd_platform_call(priv, dai, start, ssi_id); |
| 583 | if (ret < 0) |
| 584 | goto dai_trigger_end; |
| 585 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 586 | ret = rsnd_dai_call(init, io, priv); |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 587 | if (ret < 0) |
| 588 | goto dai_trigger_end; |
| 589 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 590 | ret = rsnd_dai_call(start, io, priv); |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 591 | if (ret < 0) |
| 592 | goto dai_trigger_end; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 593 | break; |
| 594 | case SNDRV_PCM_TRIGGER_STOP: |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 595 | ret = rsnd_dai_call(stop, io, priv); |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 596 | if (ret < 0) |
| 597 | goto dai_trigger_end; |
| 598 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 599 | ret = rsnd_dai_call(quit, io, priv); |
Kuninori Morimoto | cdaa3cd | 2013-07-21 21:36:03 -0700 | [diff] [blame] | 600 | if (ret < 0) |
| 601 | goto dai_trigger_end; |
| 602 | |
Kuninori Morimoto | 3337744 | 2013-07-21 21:36:21 -0700 | [diff] [blame] | 603 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
| 604 | if (ret < 0) |
| 605 | goto dai_trigger_end; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 606 | break; |
| 607 | default: |
| 608 | ret = -EINVAL; |
| 609 | } |
| 610 | |
| 611 | dai_trigger_end: |
| 612 | rsnd_unlock(priv, flags); |
| 613 | |
| 614 | return ret; |
| 615 | } |
| 616 | |
| 617 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 618 | { |
| 619 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
| 620 | |
| 621 | /* set master/slave audio interface */ |
| 622 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 623 | case SND_SOC_DAIFMT_CBM_CFM: |
Kuninori Morimoto | e150828 | 2014-03-13 17:56:43 -0700 | [diff] [blame] | 624 | rdai->clk_master = 0; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 625 | break; |
| 626 | case SND_SOC_DAIFMT_CBS_CFS: |
Kuninori Morimoto | e150828 | 2014-03-13 17:56:43 -0700 | [diff] [blame] | 627 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 628 | break; |
| 629 | default: |
| 630 | return -EINVAL; |
| 631 | } |
| 632 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 633 | /* set format */ |
| 634 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 635 | case SND_SOC_DAIFMT_I2S: |
| 636 | rdai->sys_delay = 0; |
| 637 | rdai->data_alignment = 0; |
Kuninori Morimoto | 1a7889c | 2014-07-31 18:08:18 -0700 | [diff] [blame] | 638 | rdai->frm_clk_inv = 0; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 639 | break; |
| 640 | case SND_SOC_DAIFMT_LEFT_J: |
| 641 | rdai->sys_delay = 1; |
| 642 | rdai->data_alignment = 0; |
Kuninori Morimoto | 1a7889c | 2014-07-31 18:08:18 -0700 | [diff] [blame] | 643 | rdai->frm_clk_inv = 1; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 644 | break; |
| 645 | case SND_SOC_DAIFMT_RIGHT_J: |
| 646 | rdai->sys_delay = 1; |
| 647 | rdai->data_alignment = 1; |
Kuninori Morimoto | 1a7889c | 2014-07-31 18:08:18 -0700 | [diff] [blame] | 648 | rdai->frm_clk_inv = 1; |
| 649 | break; |
| 650 | } |
| 651 | |
| 652 | /* set clock inversion */ |
| 653 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 654 | case SND_SOC_DAIFMT_NB_IF: |
| 655 | rdai->bit_clk_inv = rdai->bit_clk_inv; |
| 656 | rdai->frm_clk_inv = !rdai->frm_clk_inv; |
| 657 | break; |
| 658 | case SND_SOC_DAIFMT_IB_NF: |
| 659 | rdai->bit_clk_inv = !rdai->bit_clk_inv; |
| 660 | rdai->frm_clk_inv = rdai->frm_clk_inv; |
| 661 | break; |
| 662 | case SND_SOC_DAIFMT_IB_IF: |
| 663 | rdai->bit_clk_inv = !rdai->bit_clk_inv; |
| 664 | rdai->frm_clk_inv = !rdai->frm_clk_inv; |
| 665 | break; |
| 666 | case SND_SOC_DAIFMT_NB_NF: |
| 667 | default: |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 668 | break; |
| 669 | } |
| 670 | |
| 671 | return 0; |
| 672 | } |
| 673 | |
| 674 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
| 675 | .trigger = rsnd_soc_dai_trigger, |
| 676 | .set_fmt = rsnd_soc_dai_set_fmt, |
| 677 | }; |
| 678 | |
Kuninori Morimoto | 739f950 | 2014-05-08 17:43:26 -0700 | [diff] [blame] | 679 | #define rsnd_path_parse(priv, io, type) \ |
| 680 | ({ \ |
| 681 | struct rsnd_mod *mod; \ |
| 682 | int ret = 0; \ |
| 683 | int id = -1; \ |
| 684 | \ |
| 685 | if (rsnd_is_enable_path(io, type)) { \ |
| 686 | id = rsnd_info_id(priv, io, type); \ |
| 687 | if (id >= 0) { \ |
| 688 | mod = rsnd_##type##_mod_get(priv, id); \ |
| 689 | ret = rsnd_dai_connect(mod, io); \ |
| 690 | } \ |
| 691 | } \ |
| 692 | ret; \ |
| 693 | }) |
| 694 | |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 695 | #define rsnd_path_break(priv, io, type) \ |
| 696 | { \ |
| 697 | struct rsnd_mod *mod; \ |
| 698 | int id = -1; \ |
| 699 | \ |
| 700 | if (rsnd_is_enable_path(io, type)) { \ |
| 701 | id = rsnd_info_id(priv, io, type); \ |
| 702 | if (id >= 0) { \ |
| 703 | mod = rsnd_##type##_mod_get(priv, id); \ |
| 704 | rsnd_dai_disconnect(mod, io); \ |
| 705 | } \ |
| 706 | } \ |
| 707 | } |
| 708 | |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 709 | static int rsnd_path_init(struct rsnd_priv *priv, |
| 710 | struct rsnd_dai *rdai, |
| 711 | struct rsnd_dai_stream *io) |
| 712 | { |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 713 | int ret; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 714 | |
| 715 | /* |
| 716 | * Gen1 is created by SRU/SSI, and this SRU is base module of |
| 717 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) |
| 718 | * |
| 719 | * Easy image is.. |
| 720 | * Gen1 SRU = Gen2 SCU + SSIU + etc |
| 721 | * |
| 722 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is |
| 723 | * using fixed path. |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 724 | */ |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 725 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 726 | /* SRC */ |
Kuninori Morimoto | 739f950 | 2014-05-08 17:43:26 -0700 | [diff] [blame] | 727 | ret = rsnd_path_parse(priv, io, src); |
| 728 | if (ret < 0) |
| 729 | return ret; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 730 | |
| 731 | /* SSI */ |
Kuninori Morimoto | 739f950 | 2014-05-08 17:43:26 -0700 | [diff] [blame] | 732 | ret = rsnd_path_parse(priv, io, ssi); |
| 733 | if (ret < 0) |
| 734 | return ret; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 735 | |
Kuninori Morimoto | bff58ea | 2014-05-08 17:44:49 -0700 | [diff] [blame] | 736 | /* DVC */ |
| 737 | ret = rsnd_path_parse(priv, io, dvc); |
| 738 | if (ret < 0) |
| 739 | return ret; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 740 | |
| 741 | return ret; |
| 742 | } |
| 743 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 744 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
| 745 | const struct rsnd_of_data *of_data, |
| 746 | struct rsnd_priv *priv) |
| 747 | { |
| 748 | struct device_node *dai_node, *dai_np; |
| 749 | struct device_node *ssi_node, *ssi_np; |
| 750 | struct device_node *src_node, *src_np; |
Kuninori Morimoto | 34cb612 | 2014-06-22 17:59:28 -0700 | [diff] [blame] | 751 | struct device_node *dvc_node, *dvc_np; |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 752 | struct device_node *playback, *capture; |
| 753 | struct rsnd_dai_platform_info *dai_info; |
| 754 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
| 755 | struct device *dev = &pdev->dev; |
| 756 | int nr, i; |
Kuninori Morimoto | 34cb612 | 2014-06-22 17:59:28 -0700 | [diff] [blame] | 757 | int dai_i, ssi_i, src_i, dvc_i; |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 758 | |
| 759 | if (!of_data) |
| 760 | return; |
| 761 | |
| 762 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); |
| 763 | if (!dai_node) |
| 764 | return; |
| 765 | |
| 766 | nr = of_get_child_count(dai_node); |
| 767 | if (!nr) |
| 768 | return; |
| 769 | |
| 770 | dai_info = devm_kzalloc(dev, |
| 771 | sizeof(struct rsnd_dai_platform_info) * nr, |
| 772 | GFP_KERNEL); |
| 773 | if (!dai_info) { |
| 774 | dev_err(dev, "dai info allocation error\n"); |
| 775 | return; |
| 776 | } |
| 777 | |
| 778 | info->dai_info_nr = nr; |
| 779 | info->dai_info = dai_info; |
| 780 | |
| 781 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); |
| 782 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); |
Kuninori Morimoto | 34cb612 | 2014-06-22 17:59:28 -0700 | [diff] [blame] | 783 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 784 | |
| 785 | #define mod_parse(name) \ |
| 786 | if (name##_node) { \ |
| 787 | struct rsnd_##name##_platform_info *name##_info; \ |
| 788 | \ |
| 789 | name##_i = 0; \ |
| 790 | for_each_child_of_node(name##_node, name##_np) { \ |
| 791 | name##_info = info->name##_info + name##_i; \ |
| 792 | \ |
| 793 | if (name##_np == playback) \ |
| 794 | dai_info->playback.name = name##_info; \ |
| 795 | if (name##_np == capture) \ |
| 796 | dai_info->capture.name = name##_info; \ |
| 797 | \ |
| 798 | name##_i++; \ |
| 799 | } \ |
| 800 | } |
| 801 | |
| 802 | /* |
| 803 | * parse all dai |
| 804 | */ |
| 805 | dai_i = 0; |
| 806 | for_each_child_of_node(dai_node, dai_np) { |
| 807 | dai_info = info->dai_info + dai_i; |
| 808 | |
| 809 | for (i = 0;; i++) { |
| 810 | |
| 811 | playback = of_parse_phandle(dai_np, "playback", i); |
| 812 | capture = of_parse_phandle(dai_np, "capture", i); |
| 813 | |
| 814 | if (!playback && !capture) |
| 815 | break; |
| 816 | |
| 817 | mod_parse(ssi); |
| 818 | mod_parse(src); |
Kuninori Morimoto | 34cb612 | 2014-06-22 17:59:28 -0700 | [diff] [blame] | 819 | mod_parse(dvc); |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 820 | |
Julia Lawall | a493b6a | 2014-08-08 12:07:49 +0200 | [diff] [blame] | 821 | of_node_put(playback); |
| 822 | of_node_put(capture); |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 823 | } |
| 824 | |
| 825 | dai_i++; |
| 826 | } |
| 827 | } |
| 828 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 829 | static int rsnd_dai_probe(struct platform_device *pdev, |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 830 | const struct rsnd_of_data *of_data, |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 831 | struct rsnd_priv *priv) |
| 832 | { |
| 833 | struct snd_soc_dai_driver *drv; |
Kuninori Morimoto | 78f13d0 | 2014-03-03 20:49:50 -0800 | [diff] [blame] | 834 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 835 | struct rsnd_dai *rdai; |
Kuninori Morimoto | 29e69fd | 2014-05-08 01:59:26 -0700 | [diff] [blame] | 836 | struct rsnd_ssi_platform_info *pmod, *cmod; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 837 | struct device *dev = rsnd_priv_to_dev(priv); |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 838 | int dai_nr; |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 839 | int i; |
| 840 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 841 | rsnd_of_parse_dai(pdev, of_data, priv); |
| 842 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 843 | dai_nr = info->dai_info_nr; |
Kuninori Morimoto | 78f13d0 | 2014-03-03 20:49:50 -0800 | [diff] [blame] | 844 | if (!dai_nr) { |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 845 | dev_err(dev, "no dai\n"); |
| 846 | return -EIO; |
| 847 | } |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 848 | |
| 849 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); |
| 850 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); |
| 851 | if (!drv || !rdai) { |
| 852 | dev_err(dev, "dai allocate failed\n"); |
| 853 | return -ENOMEM; |
| 854 | } |
| 855 | |
Kuninori Morimoto | ecba9e7 | 2014-02-24 22:15:18 -0800 | [diff] [blame] | 856 | priv->rdai_nr = dai_nr; |
Kuninori Morimoto | 4984807 | 2014-02-24 22:14:33 -0800 | [diff] [blame] | 857 | priv->daidrv = drv; |
| 858 | priv->rdai = rdai; |
| 859 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 860 | for (i = 0; i < dai_nr; i++) { |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 861 | |
Kuninori Morimoto | 7c57d76 | 2015-01-15 08:05:59 +0000 | [diff] [blame] | 862 | pmod = info->dai_info[i].playback.ssi; |
| 863 | cmod = info->dai_info[i].capture.ssi; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 864 | |
| 865 | /* |
| 866 | * init rsnd_dai |
| 867 | */ |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 868 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
Kuninori Morimoto | 1b13d118 | 2015-01-15 08:08:34 +0000 | [diff] [blame] | 869 | rdai[i].priv = priv; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 870 | |
| 871 | /* |
| 872 | * init snd_soc_dai_driver |
| 873 | */ |
| 874 | drv[i].name = rdai[i].name; |
| 875 | drv[i].ops = &rsnd_soc_dai_ops; |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 876 | if (pmod) { |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 877 | drv[i].playback.rates = RSND_RATES; |
| 878 | drv[i].playback.formats = RSND_FMTS; |
| 879 | drv[i].playback.channels_min = 2; |
| 880 | drv[i].playback.channels_max = 2; |
Kuninori Morimoto | 389933d | 2014-03-03 20:50:00 -0800 | [diff] [blame] | 881 | |
Kuninori Morimoto | 29e69fd | 2014-05-08 01:59:26 -0700 | [diff] [blame] | 882 | rdai[i].playback.info = &info->dai_info[i].playback; |
Kuninori Morimoto | 54cb556 | 2015-01-15 08:06:24 +0000 | [diff] [blame] | 883 | rdai[i].playback.rdai = rdai + i; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 884 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 885 | } |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 886 | if (cmod) { |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 887 | drv[i].capture.rates = RSND_RATES; |
| 888 | drv[i].capture.formats = RSND_FMTS; |
| 889 | drv[i].capture.channels_min = 2; |
| 890 | drv[i].capture.channels_max = 2; |
Kuninori Morimoto | 389933d | 2014-03-03 20:50:00 -0800 | [diff] [blame] | 891 | |
Kuninori Morimoto | 29e69fd | 2014-05-08 01:59:26 -0700 | [diff] [blame] | 892 | rdai[i].capture.info = &info->dai_info[i].capture; |
Kuninori Morimoto | 54cb556 | 2015-01-15 08:06:24 +0000 | [diff] [blame] | 893 | rdai[i].capture.rdai = rdai + i; |
Kuninori Morimoto | 9bfed6c | 2014-03-02 23:42:47 -0800 | [diff] [blame] | 894 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 895 | } |
| 896 | |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 897 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
| 898 | pmod ? "play" : " -- ", |
| 899 | cmod ? "capture" : " -- "); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 900 | } |
| 901 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 902 | return 0; |
| 903 | } |
| 904 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 905 | /* |
| 906 | * pcm ops |
| 907 | */ |
| 908 | static struct snd_pcm_hardware rsnd_pcm_hardware = { |
| 909 | .info = SNDRV_PCM_INFO_INTERLEAVED | |
| 910 | SNDRV_PCM_INFO_MMAP | |
Kuninori Morimoto | 706c662 | 2014-10-28 21:02:03 -0700 | [diff] [blame] | 911 | SNDRV_PCM_INFO_MMAP_VALID, |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 912 | .buffer_bytes_max = 64 * 1024, |
| 913 | .period_bytes_min = 32, |
| 914 | .period_bytes_max = 8192, |
| 915 | .periods_min = 1, |
| 916 | .periods_max = 32, |
| 917 | .fifo_size = 256, |
| 918 | }; |
| 919 | |
| 920 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) |
| 921 | { |
| 922 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 923 | int ret = 0; |
| 924 | |
| 925 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); |
| 926 | |
| 927 | ret = snd_pcm_hw_constraint_integer(runtime, |
| 928 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 929 | |
| 930 | return ret; |
| 931 | } |
| 932 | |
| 933 | static int rsnd_hw_params(struct snd_pcm_substream *substream, |
| 934 | struct snd_pcm_hw_params *hw_params) |
| 935 | { |
| 936 | return snd_pcm_lib_malloc_pages(substream, |
| 937 | params_buffer_bytes(hw_params)); |
| 938 | } |
| 939 | |
| 940 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) |
| 941 | { |
| 942 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 943 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
| 944 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
| 945 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); |
| 946 | |
| 947 | return bytes_to_frames(runtime, io->byte_pos); |
| 948 | } |
| 949 | |
| 950 | static struct snd_pcm_ops rsnd_pcm_ops = { |
| 951 | .open = rsnd_pcm_open, |
| 952 | .ioctl = snd_pcm_lib_ioctl, |
| 953 | .hw_params = rsnd_hw_params, |
| 954 | .hw_free = snd_pcm_lib_free_pages, |
| 955 | .pointer = rsnd_pointer, |
| 956 | }; |
| 957 | |
| 958 | /* |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 959 | * snd_kcontrol |
| 960 | */ |
| 961 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) |
| 962 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, |
| 963 | struct snd_ctl_elem_info *uinfo) |
| 964 | { |
| 965 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); |
| 966 | |
| 967 | if (cfg->texts) { |
| 968 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 969 | uinfo->count = cfg->size; |
| 970 | uinfo->value.enumerated.items = cfg->max; |
| 971 | if (uinfo->value.enumerated.item >= cfg->max) |
| 972 | uinfo->value.enumerated.item = cfg->max - 1; |
| 973 | strlcpy(uinfo->value.enumerated.name, |
| 974 | cfg->texts[uinfo->value.enumerated.item], |
| 975 | sizeof(uinfo->value.enumerated.name)); |
| 976 | } else { |
| 977 | uinfo->count = cfg->size; |
| 978 | uinfo->value.integer.min = 0; |
| 979 | uinfo->value.integer.max = cfg->max; |
| 980 | uinfo->type = (cfg->max == 1) ? |
| 981 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : |
| 982 | SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 983 | } |
| 984 | |
| 985 | return 0; |
| 986 | } |
| 987 | |
| 988 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, |
| 989 | struct snd_ctl_elem_value *uc) |
| 990 | { |
| 991 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); |
| 992 | int i; |
| 993 | |
| 994 | for (i = 0; i < cfg->size; i++) |
| 995 | if (cfg->texts) |
| 996 | uc->value.enumerated.item[i] = cfg->val[i]; |
| 997 | else |
| 998 | uc->value.integer.value[i] = cfg->val[i]; |
| 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, |
| 1004 | struct snd_ctl_elem_value *uc) |
| 1005 | { |
| 1006 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); |
| 1007 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); |
| 1008 | int i, change = 0; |
| 1009 | |
| 1010 | for (i = 0; i < cfg->size; i++) { |
| 1011 | if (cfg->texts) { |
| 1012 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); |
| 1013 | cfg->val[i] = uc->value.enumerated.item[i]; |
| 1014 | } else { |
| 1015 | change |= (uc->value.integer.value[i] != cfg->val[i]); |
| 1016 | cfg->val[i] = uc->value.integer.value[i]; |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | if (change) |
| 1021 | cfg->update(mod); |
| 1022 | |
| 1023 | return change; |
| 1024 | } |
| 1025 | |
| 1026 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1027 | struct snd_soc_pcm_runtime *rtd, |
| 1028 | const unsigned char *name, |
| 1029 | struct rsnd_kctrl_cfg *cfg, |
| 1030 | void (*update)(struct rsnd_mod *mod)) |
| 1031 | { |
| 1032 | struct snd_card *card = rtd->card->snd_card; |
| 1033 | struct snd_kcontrol *kctrl; |
| 1034 | struct snd_kcontrol_new knew = { |
| 1035 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1036 | .name = name, |
| 1037 | .info = rsnd_kctrl_info, |
| 1038 | .get = rsnd_kctrl_get, |
| 1039 | .put = rsnd_kctrl_put, |
| 1040 | .private_value = (unsigned long)cfg, |
| 1041 | }; |
| 1042 | int ret; |
| 1043 | |
| 1044 | kctrl = snd_ctl_new1(&knew, mod); |
| 1045 | if (!kctrl) |
| 1046 | return -ENOMEM; |
| 1047 | |
| 1048 | ret = snd_ctl_add(card, kctrl); |
Kuninori Morimoto | d1f83d6 | 2015-02-02 04:53:53 +0000 | [diff] [blame] | 1049 | if (ret < 0) { |
| 1050 | snd_ctl_free_one(kctrl); |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1051 | return ret; |
Kuninori Morimoto | d1f83d6 | 2015-02-02 04:53:53 +0000 | [diff] [blame] | 1052 | } |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1053 | |
| 1054 | cfg->update = update; |
Kuninori Morimoto | d1f83d6 | 2015-02-02 04:53:53 +0000 | [diff] [blame] | 1055 | cfg->card = card; |
| 1056 | cfg->kctrl = kctrl; |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1057 | |
| 1058 | return 0; |
| 1059 | } |
| 1060 | |
Kuninori Morimoto | d1f83d6 | 2015-02-02 04:53:53 +0000 | [diff] [blame] | 1061 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
| 1062 | { |
| 1063 | snd_ctl_remove(cfg->card, cfg->kctrl); |
| 1064 | } |
| 1065 | |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1066 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1067 | struct snd_soc_pcm_runtime *rtd, |
| 1068 | const unsigned char *name, |
| 1069 | void (*update)(struct rsnd_mod *mod), |
| 1070 | struct rsnd_kctrl_cfg_m *_cfg, |
| 1071 | u32 max) |
| 1072 | { |
| 1073 | _cfg->cfg.max = max; |
| 1074 | _cfg->cfg.size = RSND_DVC_CHANNELS; |
| 1075 | _cfg->cfg.val = _cfg->val; |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1076 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1077 | } |
| 1078 | |
| 1079 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1080 | struct snd_soc_pcm_runtime *rtd, |
| 1081 | const unsigned char *name, |
| 1082 | void (*update)(struct rsnd_mod *mod), |
| 1083 | struct rsnd_kctrl_cfg_s *_cfg, |
| 1084 | u32 max) |
| 1085 | { |
| 1086 | _cfg->cfg.max = max; |
| 1087 | _cfg->cfg.size = 1; |
| 1088 | _cfg->cfg.val = &_cfg->val; |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1089 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1090 | } |
| 1091 | |
| 1092 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1093 | struct snd_soc_pcm_runtime *rtd, |
| 1094 | const unsigned char *name, |
| 1095 | struct rsnd_kctrl_cfg_s *_cfg, |
| 1096 | void (*update)(struct rsnd_mod *mod), |
| 1097 | const char * const *texts, |
| 1098 | u32 max) |
| 1099 | { |
| 1100 | _cfg->cfg.max = max; |
| 1101 | _cfg->cfg.size = 1; |
| 1102 | _cfg->cfg.val = &_cfg->val; |
| 1103 | _cfg->cfg.texts = texts; |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1104 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
Kuninori Morimoto | 170a249 | 2014-11-27 08:06:14 +0000 | [diff] [blame] | 1105 | } |
| 1106 | |
| 1107 | /* |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1108 | * snd_soc_platform |
| 1109 | */ |
| 1110 | |
| 1111 | #define PREALLOC_BUFFER (32 * 1024) |
| 1112 | #define PREALLOC_BUFFER_MAX (32 * 1024) |
| 1113 | |
| 1114 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 1115 | { |
Kuninori Morimoto | 7c63f3c | 2014-07-30 23:53:03 -0700 | [diff] [blame] | 1116 | struct snd_soc_dai *dai = rtd->cpu_dai; |
| 1117 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
| 1118 | int ret; |
Kuninori Morimoto | bff58ea | 2014-05-08 17:44:49 -0700 | [diff] [blame] | 1119 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1120 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
Kuninori Morimoto | 7c63f3c | 2014-07-30 23:53:03 -0700 | [diff] [blame] | 1121 | if (ret) |
| 1122 | return ret; |
Kuninori Morimoto | bff58ea | 2014-05-08 17:44:49 -0700 | [diff] [blame] | 1123 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1124 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
Kuninori Morimoto | 7c63f3c | 2014-07-30 23:53:03 -0700 | [diff] [blame] | 1125 | if (ret) |
| 1126 | return ret; |
Kuninori Morimoto | bff58ea | 2014-05-08 17:44:49 -0700 | [diff] [blame] | 1127 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1128 | return snd_pcm_lib_preallocate_pages_for_all( |
| 1129 | rtd->pcm, |
| 1130 | SNDRV_DMA_TYPE_DEV, |
| 1131 | rtd->card->snd_card->dev, |
| 1132 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); |
| 1133 | } |
| 1134 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1135 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
| 1136 | .ops = &rsnd_pcm_ops, |
| 1137 | .pcm_new = rsnd_pcm_new, |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1138 | }; |
| 1139 | |
| 1140 | static const struct snd_soc_component_driver rsnd_soc_component = { |
| 1141 | .name = "rsnd", |
| 1142 | }; |
| 1143 | |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1144 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1145 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1146 | { |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1147 | int ret; |
| 1148 | |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1149 | ret = rsnd_dai_call(probe, io, priv); |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1150 | if (ret == -EAGAIN) { |
| 1151 | /* |
| 1152 | * Fallback to PIO mode |
| 1153 | */ |
| 1154 | |
| 1155 | /* |
| 1156 | * call "remove" for SSI/SRC/DVC |
| 1157 | * SSI will be switch to PIO mode if it was DMA mode |
| 1158 | * see |
| 1159 | * rsnd_dma_init() |
Kuninori Morimoto | 97463e19 | 2014-11-27 08:02:43 +0000 | [diff] [blame] | 1160 | * rsnd_ssi_fallback() |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1161 | */ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1162 | rsnd_dai_call(remove, io, priv); |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1163 | |
| 1164 | /* |
| 1165 | * remove SRC/DVC from DAI, |
| 1166 | */ |
| 1167 | rsnd_path_break(priv, io, src); |
| 1168 | rsnd_path_break(priv, io, dvc); |
| 1169 | |
| 1170 | /* |
Kuninori Morimoto | 97463e19 | 2014-11-27 08:02:43 +0000 | [diff] [blame] | 1171 | * fallback |
| 1172 | */ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1173 | rsnd_dai_call(fallback, io, priv); |
Kuninori Morimoto | 97463e19 | 2014-11-27 08:02:43 +0000 | [diff] [blame] | 1174 | |
| 1175 | /* |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1176 | * retry to "probe". |
| 1177 | * DAI has SSI which is PIO mode only now. |
| 1178 | */ |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1179 | ret = rsnd_dai_call(probe, io, priv); |
Kuninori Morimoto | d3a7682 | 2014-11-09 20:00:58 -0800 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | return ret; |
| 1183 | } |
| 1184 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1185 | /* |
| 1186 | * rsnd probe |
| 1187 | */ |
| 1188 | static int rsnd_probe(struct platform_device *pdev) |
| 1189 | { |
| 1190 | struct rcar_snd_info *info; |
| 1191 | struct rsnd_priv *priv; |
| 1192 | struct device *dev = &pdev->dev; |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1193 | struct rsnd_dai *rdai; |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 1194 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
| 1195 | const struct rsnd_of_data *of_data; |
Kuninori Morimoto | d1ac970f | 2014-03-02 23:43:18 -0800 | [diff] [blame] | 1196 | int (*probe_func[])(struct platform_device *pdev, |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 1197 | const struct rsnd_of_data *of_data, |
Kuninori Morimoto | d1ac970f | 2014-03-02 23:43:18 -0800 | [diff] [blame] | 1198 | struct rsnd_priv *priv) = { |
| 1199 | rsnd_gen_probe, |
| 1200 | rsnd_ssi_probe, |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 1201 | rsnd_src_probe, |
Kuninori Morimoto | bff58ea | 2014-05-08 17:44:49 -0700 | [diff] [blame] | 1202 | rsnd_dvc_probe, |
Kuninori Morimoto | d1ac970f | 2014-03-02 23:43:18 -0800 | [diff] [blame] | 1203 | rsnd_adg_probe, |
| 1204 | rsnd_dai_probe, |
| 1205 | }; |
| 1206 | int ret, i; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1207 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 1208 | info = NULL; |
| 1209 | of_data = NULL; |
| 1210 | if (of_id) { |
| 1211 | info = devm_kzalloc(&pdev->dev, |
| 1212 | sizeof(struct rcar_snd_info), GFP_KERNEL); |
| 1213 | of_data = of_id->data; |
| 1214 | } else { |
| 1215 | info = pdev->dev.platform_data; |
| 1216 | } |
| 1217 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1218 | if (!info) { |
| 1219 | dev_err(dev, "driver needs R-Car sound information\n"); |
| 1220 | return -ENODEV; |
| 1221 | } |
| 1222 | |
| 1223 | /* |
| 1224 | * init priv data |
| 1225 | */ |
| 1226 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |
| 1227 | if (!priv) { |
| 1228 | dev_err(dev, "priv allocate failed\n"); |
| 1229 | return -ENODEV; |
| 1230 | } |
| 1231 | |
Kuninori Morimoto | 9f464f8 | 2014-05-22 23:25:30 -0700 | [diff] [blame] | 1232 | priv->pdev = pdev; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1233 | priv->info = info; |
| 1234 | spin_lock_init(&priv->lock); |
| 1235 | |
| 1236 | /* |
| 1237 | * init each module |
| 1238 | */ |
Kuninori Morimoto | d1ac970f | 2014-03-02 23:43:18 -0800 | [diff] [blame] | 1239 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 1240 | ret = probe_func[i](pdev, of_data, priv); |
Kuninori Morimoto | d1ac970f | 2014-03-02 23:43:18 -0800 | [diff] [blame] | 1241 | if (ret) |
| 1242 | return ret; |
| 1243 | } |
Kuninori Morimoto | 3337744 | 2013-07-21 21:36:21 -0700 | [diff] [blame] | 1244 | |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1245 | for_each_rsnd_dai(rdai, priv, i) { |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1246 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1247 | if (ret) |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1248 | goto exit_snd_probe; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 1249 | |
Kuninori Morimoto | f708d94 | 2015-01-15 08:07:19 +0000 | [diff] [blame] | 1250 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1251 | if (ret) |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1252 | goto exit_snd_probe; |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1253 | } |
Kuninori Morimoto | 4b4dab8 | 2013-07-28 18:58:29 -0700 | [diff] [blame] | 1254 | |
Kuninori Morimoto | 0b1f6ec | 2015-02-09 08:05:22 +0000 | [diff] [blame] | 1255 | dev_set_drvdata(dev, priv); |
| 1256 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1257 | /* |
| 1258 | * asoc register |
| 1259 | */ |
| 1260 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); |
| 1261 | if (ret < 0) { |
| 1262 | dev_err(dev, "cannot snd soc register\n"); |
| 1263 | return ret; |
| 1264 | } |
| 1265 | |
| 1266 | ret = snd_soc_register_component(dev, &rsnd_soc_component, |
Kuninori Morimoto | ecba9e7 | 2014-02-24 22:15:18 -0800 | [diff] [blame] | 1267 | priv->daidrv, rsnd_rdai_nr(priv)); |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1268 | if (ret < 0) { |
| 1269 | dev_err(dev, "cannot snd dai register\n"); |
| 1270 | goto exit_snd_soc; |
| 1271 | } |
| 1272 | |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1273 | pm_runtime_enable(dev); |
| 1274 | |
| 1275 | dev_info(dev, "probed\n"); |
| 1276 | return ret; |
| 1277 | |
| 1278 | exit_snd_soc: |
| 1279 | snd_soc_unregister_platform(dev); |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1280 | exit_snd_probe: |
| 1281 | for_each_rsnd_dai(rdai, priv, i) { |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1282 | rsnd_dai_call(remove, &rdai->playback, priv); |
| 1283 | rsnd_dai_call(remove, &rdai->capture, priv); |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1284 | } |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1285 | |
| 1286 | return ret; |
| 1287 | } |
| 1288 | |
| 1289 | static int rsnd_remove(struct platform_device *pdev) |
| 1290 | { |
| 1291 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1292 | struct rsnd_dai *rdai; |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1293 | int ret = 0, i; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1294 | |
| 1295 | pm_runtime_disable(&pdev->dev); |
| 1296 | |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1297 | for_each_rsnd_dai(rdai, priv, i) { |
Kuninori Morimoto | 690602f | 2015-01-15 08:07:47 +0000 | [diff] [blame] | 1298 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
| 1299 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); |
Kuninori Morimoto | 7681f6a | 2014-03-03 20:50:33 -0800 | [diff] [blame] | 1300 | } |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1301 | |
Kuninori Morimoto | d7c42ff | 2015-02-02 04:54:07 +0000 | [diff] [blame] | 1302 | snd_soc_unregister_component(&pdev->dev); |
| 1303 | snd_soc_unregister_platform(&pdev->dev); |
| 1304 | |
Kuninori Morimoto | d62a3dc | 2014-07-24 01:51:31 -0700 | [diff] [blame] | 1305 | return ret; |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1306 | } |
| 1307 | |
| 1308 | static struct platform_driver rsnd_driver = { |
| 1309 | .driver = { |
| 1310 | .name = "rcar_sound", |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 1311 | .of_match_table = rsnd_of_match, |
Kuninori Morimoto | 1536a96 | 2013-07-21 21:35:52 -0700 | [diff] [blame] | 1312 | }, |
| 1313 | .probe = rsnd_probe, |
| 1314 | .remove = rsnd_remove, |
| 1315 | }; |
| 1316 | module_platform_driver(rsnd_driver); |
| 1317 | |
| 1318 | MODULE_LICENSE("GPL"); |
| 1319 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); |
| 1320 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |
| 1321 | MODULE_ALIAS("platform:rcar-pcm-audio"); |