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Diffstat (limited to 'sound/soc/jz4740/jz4740-i2s.c')
-rw-r--r--sound/soc/jz4740/jz4740-i2s.c104
1 files changed, 51 insertions, 53 deletions
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index eb518f0c5e01..f3cffd183401 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -106,15 +106,10 @@ static inline void jz4740_i2s_write(const struct jz4740_i2s *i2s,
106 writel(value, i2s->base + reg); 106 writel(value, i2s->base + reg);
107} 107}
108 108
109static inline struct jz4740_i2s *jz4740_dai_to_i2s(struct snd_soc_dai *dai)
110{
111 return dai->private_data;
112}
113
114static int jz4740_i2s_startup(struct snd_pcm_substream *substream, 109static int jz4740_i2s_startup(struct snd_pcm_substream *substream,
115 struct snd_soc_dai *dai) 110 struct snd_soc_dai *dai)
116{ 111{
117 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 112 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
118 uint32_t conf, ctrl; 113 uint32_t conf, ctrl;
119 114
120 if (dai->active) 115 if (dai->active)
@@ -136,7 +131,7 @@ static int jz4740_i2s_startup(struct snd_pcm_substream *substream,
136static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream, 131static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream,
137 struct snd_soc_dai *dai) 132 struct snd_soc_dai *dai)
138{ 133{
139 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 134 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
140 uint32_t conf; 135 uint32_t conf;
141 136
142 if (!dai->active) 137 if (!dai->active)
@@ -152,7 +147,7 @@ static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream,
152static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd, 147static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
153 struct snd_soc_dai *dai) 148 struct snd_soc_dai *dai)
154{ 149{
155 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 150 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
156 151
157 uint32_t ctrl; 152 uint32_t ctrl;
158 uint32_t mask; 153 uint32_t mask;
@@ -186,7 +181,7 @@ static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
186 181
187static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) 182static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
188{ 183{
189 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 184 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
190 185
191 uint32_t format = 0; 186 uint32_t format = 0;
192 uint32_t conf; 187 uint32_t conf;
@@ -238,7 +233,7 @@ static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
238static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream, 233static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
239 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 234 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
240{ 235{
241 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 236 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
242 enum jz4740_dma_width dma_width; 237 enum jz4740_dma_width dma_width;
243 struct jz4740_pcm_config *pcm_config; 238 struct jz4740_pcm_config *pcm_config;
244 unsigned int sample_size; 239 unsigned int sample_size;
@@ -288,7 +283,7 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
288static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, 283static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
289 unsigned int freq, int dir) 284 unsigned int freq, int dir)
290{ 285{
291 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 286 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
292 struct clk *parent; 287 struct clk *parent;
293 int ret = 0; 288 int ret = 0;
294 289
@@ -312,7 +307,7 @@ static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
312 307
313static int jz4740_i2s_suspend(struct snd_soc_dai *dai) 308static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
314{ 309{
315 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 310 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
316 uint32_t conf; 311 uint32_t conf;
317 312
318 if (dai->active) { 313 if (dai->active) {
@@ -330,7 +325,7 @@ static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
330 325
331static int jz4740_i2s_resume(struct snd_soc_dai *dai) 326static int jz4740_i2s_resume(struct snd_soc_dai *dai)
332{ 327{
333 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 328 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
334 uint32_t conf; 329 uint32_t conf;
335 330
336 clk_enable(i2s->clk_aic); 331 clk_enable(i2s->clk_aic);
@@ -346,11 +341,38 @@ static int jz4740_i2s_resume(struct snd_soc_dai *dai)
346 return 0; 341 return 0;
347} 342}
348 343
349static int jz4740_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai) 344static void jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)
350{ 345{
351 struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai); 346 struct jz4740_dma_config *dma_config;
347
348 /* Playback */
349 dma_config = &i2s->pcm_config_playback.dma_config;
350 dma_config->src_width = JZ4740_DMA_WIDTH_32BIT,
351 dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
352 dma_config->request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT;
353 dma_config->flags = JZ4740_DMA_SRC_AUTOINC;
354 dma_config->mode = JZ4740_DMA_MODE_SINGLE;
355 i2s->pcm_config_playback.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
356
357 /* Capture */
358 dma_config = &i2s->pcm_config_capture.dma_config;
359 dma_config->dst_width = JZ4740_DMA_WIDTH_32BIT,
360 dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
361 dma_config->request_type = JZ4740_DMA_TYPE_AIC_RECEIVE;
362 dma_config->flags = JZ4740_DMA_DST_AUTOINC;
363 dma_config->mode = JZ4740_DMA_MODE_SINGLE;
364 i2s->pcm_config_capture.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
365}
366
367static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai)
368{
369 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
352 uint32_t conf; 370 uint32_t conf;
353 371
372 clk_enable(i2s->clk_aic);
373
374 jz4740_i2c_init_pcm_config(i2s);
375
354 conf = (7 << JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) | 376 conf = (7 << JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
355 (8 << JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) | 377 (8 << JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
356 JZ_AIC_CONF_OVERFLOW_PLAY_LAST | 378 JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
@@ -363,6 +385,14 @@ static int jz4740_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *da
363 return 0; 385 return 0;
364} 386}
365 387
388static int jz4740_i2s_dai_remove(struct snd_soc_dai *dai)
389{
390 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
391
392 clk_disable(i2s->clk_aic);
393 return 0;
394}
395
366static struct snd_soc_dai_ops jz4740_i2s_dai_ops = { 396static struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
367 .startup = jz4740_i2s_startup, 397 .startup = jz4740_i2s_startup,
368 .shutdown = jz4740_i2s_shutdown, 398 .shutdown = jz4740_i2s_shutdown,
@@ -375,9 +405,9 @@ static struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
375#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \ 405#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \
376 SNDRV_PCM_FMTBIT_S16_LE) 406 SNDRV_PCM_FMTBIT_S16_LE)
377 407
378struct snd_soc_dai jz4740_i2s_dai = { 408static struct snd_soc_dai_driver jz4740_i2s_dai = {
379 .name = "jz4740-i2s", 409 .probe = jz4740_i2s_dai_probe,
380 .probe = jz4740_i2s_probe, 410 .remove = jz4740_i2s_dai_remove,
381 .playback = { 411 .playback = {
382 .channels_min = 1, 412 .channels_min = 1,
383 .channels_max = 2, 413 .channels_max = 2,
@@ -395,30 +425,6 @@ struct snd_soc_dai jz4740_i2s_dai = {
395 .suspend = jz4740_i2s_suspend, 425 .suspend = jz4740_i2s_suspend,
396 .resume = jz4740_i2s_resume, 426 .resume = jz4740_i2s_resume,
397}; 427};
398EXPORT_SYMBOL_GPL(jz4740_i2s_dai);
399
400static void __devinit jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)
401{
402 struct jz4740_dma_config *dma_config;
403
404 /* Playback */
405 dma_config = &i2s->pcm_config_playback.dma_config;
406 dma_config->src_width = JZ4740_DMA_WIDTH_32BIT,
407 dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
408 dma_config->request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT;
409 dma_config->flags = JZ4740_DMA_SRC_AUTOINC;
410 dma_config->mode = JZ4740_DMA_MODE_SINGLE;
411 i2s->pcm_config_playback.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
412
413 /* Capture */
414 dma_config = &i2s->pcm_config_capture.dma_config;
415 dma_config->dst_width = JZ4740_DMA_WIDTH_32BIT,
416 dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
417 dma_config->request_type = JZ4740_DMA_TYPE_AIC_RECEIVE;
418 dma_config->flags = JZ4740_DMA_DST_AUTOINC;
419 dma_config->mode = JZ4740_DMA_MODE_SINGLE;
420 i2s->pcm_config_capture.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
421}
422 428
423static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev) 429static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev)
424{ 430{
@@ -463,24 +469,17 @@ static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev)
463 goto err_clk_put_aic; 469 goto err_clk_put_aic;
464 } 470 }
465 471
466 clk_enable(i2s->clk_aic); 472 platform_set_drvdata(pdev, i2s);
467 473 ret = snd_soc_register_dai(&pdev->dev, &jz4740_i2s_dai);
468 jz4740_i2c_init_pcm_config(i2s);
469
470 jz4740_i2s_dai.private_data = i2s;
471 ret = snd_soc_register_dai(&jz4740_i2s_dai);
472 474
473 if (ret) { 475 if (ret) {
474 dev_err(&pdev->dev, "Failed to register DAI\n"); 476 dev_err(&pdev->dev, "Failed to register DAI\n");
475 goto err_clk_put_i2s; 477 goto err_clk_put_i2s;
476 } 478 }
477 479
478 platform_set_drvdata(pdev, i2s);
479
480 return 0; 480 return 0;
481 481
482err_clk_put_i2s: 482err_clk_put_i2s:
483 clk_disable(i2s->clk_aic);
484 clk_put(i2s->clk_i2s); 483 clk_put(i2s->clk_i2s);
485err_clk_put_aic: 484err_clk_put_aic:
486 clk_put(i2s->clk_aic); 485 clk_put(i2s->clk_aic);
@@ -498,9 +497,8 @@ static int __devexit jz4740_i2s_dev_remove(struct platform_device *pdev)
498{ 497{
499 struct jz4740_i2s *i2s = platform_get_drvdata(pdev); 498 struct jz4740_i2s *i2s = platform_get_drvdata(pdev);
500 499
501 snd_soc_unregister_dai(&jz4740_i2s_dai); 500 snd_soc_unregister_dai(&pdev->dev);
502 501
503 clk_disable(i2s->clk_aic);
504 clk_put(i2s->clk_i2s); 502 clk_put(i2s->clk_i2s);
505 clk_put(i2s->clk_aic); 503 clk_put(i2s->clk_aic);
506 504