Lines Matching refs:reader
12 #define UNIPERIF_READER_I2S_IN 0 /* reader id connected to I2S/TDM TX bus */
46 struct uniperif *reader = dev_id;
49 spin_lock(&reader->irq_lock);
50 if (!reader->substream)
53 snd_pcm_stream_lock(reader->substream);
54 if (reader->state == UNIPERIF_STATE_STOPPED) {
56 dev_warn(reader->dev, "unexpected IRQ\n");
61 status = GET_UNIPERIF_ITS(reader);
62 SET_UNIPERIF_ITS_BCLR(reader, status);
65 if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) {
66 dev_err(reader->dev, "FIFO error detected\n");
68 snd_pcm_stop(reader->substream, SNDRV_PCM_STATE_XRUN);
74 snd_pcm_stream_unlock(reader->substream);
76 spin_unlock(&reader->irq_lock);
82 struct uniperif *reader)
87 if ((reader->daifmt & SND_SOC_DAIFMT_FORMAT_MASK)
104 SET_UNIPERIF_I2S_FMT_NBIT_32(reader);
105 SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(reader);
108 SET_UNIPERIF_I2S_FMT_NBIT_16(reader);
109 SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(reader);
112 dev_err(reader->dev, "subframe format not supported\n");
120 SET_UNIPERIF_CONFIG_MEM_FMT_16_16(reader);
128 SET_UNIPERIF_CONFIG_MEM_FMT_16_0(reader);
132 dev_err(reader->dev, "format not supported\n");
139 dev_err(reader->dev, "%s: invalid nb of channels\n", __func__);
143 SET_UNIPERIF_I2S_FMT_NUM_CH(reader, runtime->channels / 2);
144 SET_UNIPERIF_I2S_FMT_ORDER_MSB(reader);
150 struct uniperif *reader)
160 SET_UNIPERIF_CONFIG_MEM_FMT_16_0(reader);
161 SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(reader);
164 SET_UNIPERIF_I2S_FMT_NUM_CH(reader, frame_size / 4 / 2);
166 SET_UNIPERIF_I2S_FMT_ORDER_MSB(reader);
167 SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(reader);
168 SET_UNIPERIF_TDM_ENABLE_TDM_ENABLE(reader);
177 sti_uniperiph_get_tdm_word_pos(reader, word_pos);
178 SET_UNIPERIF_TDM_WORD_POS(reader, 1_2, word_pos[WORD_1_2]);
179 SET_UNIPERIF_TDM_WORD_POS(reader, 3_4, word_pos[WORD_3_4]);
180 SET_UNIPERIF_TDM_WORD_POS(reader, 5_6, word_pos[WORD_5_6]);
181 SET_UNIPERIF_TDM_WORD_POS(reader, 7_8, word_pos[WORD_7_8]);
190 struct uniperif *reader = priv->dai_data.uni;
194 /* The reader should be stopped */
195 if (reader->state != UNIPERIF_STATE_STOPPED) {
196 dev_err(reader->dev, "%s: invalid reader state %d\n", __func__,
197 reader->state);
202 if (reader->type == SND_ST_UNIPERIF_TYPE_TDM) {
211 if (reader->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
224 (trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(reader))) {
225 dev_err(reader->dev, "invalid trigger limit %d\n",
230 SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(reader, trigger_limit);
232 if (UNIPERIF_TYPE_IS_TDM(reader))
233 ret = uni_reader_prepare_tdm(runtime, reader);
235 ret = uni_reader_prepare_pcm(runtime, reader);
239 switch (reader->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) {
241 SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(reader);
242 SET_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(reader);
245 SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(reader);
246 SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(reader);
249 SET_UNIPERIF_I2S_FMT_ALIGN_RIGHT(reader);
250 SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(reader);
253 dev_err(reader->dev, "format not supported\n");
258 switch (reader->daifmt & SND_SOC_DAIFMT_INV_MASK) {
260 SET_UNIPERIF_I2S_FMT_LR_POL_LOW(reader);
261 SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(reader);
264 SET_UNIPERIF_I2S_FMT_LR_POL_HIG(reader);
265 SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(reader);
268 SET_UNIPERIF_I2S_FMT_LR_POL_LOW(reader);
269 SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(reader);
272 SET_UNIPERIF_I2S_FMT_LR_POL_HIG(reader);
273 SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(reader);
278 SET_UNIPERIF_ITS_BCLR(reader, GET_UNIPERIF_ITS(reader));
280 SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(reader, 0);
283 SET_UNIPERIF_ITM_BSET_DMA_ERROR(reader);
284 SET_UNIPERIF_ITM_BSET_FIFO_ERROR(reader);
285 SET_UNIPERIF_ITM_BSET_MEM_BLK_READ(reader);
288 if (reader->underflow_enabled) {
289 SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(reader);
290 SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(reader);
293 /* Reset uniperipheral reader */
294 return sti_uniperiph_reset(reader);
297 static int uni_reader_start(struct uniperif *reader)
299 /* The reader should be stopped */
300 if (reader->state != UNIPERIF_STATE_STOPPED) {
301 dev_err(reader->dev, "%s: invalid reader state\n", __func__);
305 /* Enable reader interrupts (and clear possible stalled ones) */
306 SET_UNIPERIF_ITS_BCLR_FIFO_ERROR(reader);
307 SET_UNIPERIF_ITM_BSET_FIFO_ERROR(reader);
309 /* Launch the reader */
310 SET_UNIPERIF_CTRL_OPERATION_PCM_DATA(reader);
313 reader->state = UNIPERIF_STATE_STARTED;
317 static int uni_reader_stop(struct uniperif *reader)
319 /* The reader should not be in stopped state */
320 if (reader->state == UNIPERIF_STATE_STOPPED) {
321 dev_err(reader->dev, "%s: invalid reader state\n", __func__);
325 /* Turn the reader off */
326 SET_UNIPERIF_CTRL_OPERATION_OFF(reader);
329 SET_UNIPERIF_ITM_BCLR(reader, GET_UNIPERIF_ITM(reader));
332 reader->state = UNIPERIF_STATE_STOPPED;
341 struct uniperif *reader = priv->dai_data.uni;
345 return uni_reader_start(reader);
347 return uni_reader_stop(reader);
357 struct uniperif *reader = priv->dai_data.uni;
361 spin_lock_irqsave(&reader->irq_lock, flags);
362 reader->substream = substream;
363 spin_unlock_irqrestore(&reader->irq_lock, flags);
365 if (!UNIPERIF_TYPE_IS_TDM(reader))
372 reader, SNDRV_PCM_HW_PARAM_CHANNELS,
380 reader, SNDRV_PCM_HW_PARAM_FORMAT,
388 struct uniperif *reader = priv->dai_data.uni;
391 spin_lock_irqsave(&reader->irq_lock, flags);
392 if (reader->state != UNIPERIF_STATE_STOPPED) {
393 /* Stop the reader */
394 uni_reader_stop(reader);
396 reader->substream = NULL;
397 spin_unlock_irqrestore(&reader->irq_lock, flags);
411 struct uniperif *reader)
415 reader->dev = &pdev->dev;
416 reader->state = UNIPERIF_STATE_STOPPED;
417 reader->dai_ops = &uni_reader_dai_ops;
419 if (UNIPERIF_TYPE_IS_TDM(reader))
420 reader->hw = &uni_tdm_hw;
422 reader->hw = &uni_reader_pcm_hw;
424 ret = devm_request_irq(&pdev->dev, reader->irq,
426 dev_name(&pdev->dev), reader);
432 spin_lock_init(&reader->irq_lock);