Lines Matching refs:psc_dma
32 struct psc_dma *psc_dma = _psc_dma;
33 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
39 if (psc_dma->playback.active && (isr & MPC52xx_PSC_IMR_TXEMP))
40 psc_dma->stats.underrun_count++;
43 if (psc_dma->capture.active && (isr & MPC52xx_PSC_IMR_ORERR))
44 psc_dma->stats.overrun_count++;
80 spin_lock(&s->psc_dma->lock);
91 spin_unlock(&s->psc_dma->lock);
121 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
123 struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
124 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
131 dev_dbg(psc_dma->dev, "START: stream=%i fbits=%u ps=%u #p=%u\n",
145 spin_lock_irqsave(&psc_dma->lock, flags);
157 spin_unlock_irqrestore(&psc_dma->lock, flags);
164 dev_dbg(psc_dma->dev, "STOP: stream=%i periods_count=%i\n",
168 spin_lock_irqsave(&psc_dma->lock, flags);
174 spin_unlock_irqrestore(&psc_dma->lock, flags);
179 dev_dbg(psc_dma->dev, "unhandled trigger: stream=%i cmd=%i\n",
186 if (psc_dma->playback.active)
188 if (psc_dma->capture.active)
190 out_be16(®s->isr_imr.imr, psc_dma->imr | imr);
223 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
227 dev_dbg(psc_dma->dev, "psc_dma_open(substream=%p)\n", substream);
230 s = &psc_dma->capture;
232 s = &psc_dma->playback;
251 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
254 dev_dbg(psc_dma->dev, "psc_dma_close(substream=%p)\n", substream);
257 s = &psc_dma->capture;
259 s = &psc_dma->playback;
261 if (!psc_dma->playback.active &&
262 !psc_dma->capture.active) {
265 out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
266 out_8(&psc_dma->psc_regs->command, 4 << 4); /* reset error */
277 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
282 s = &psc_dma->capture;
284 s = &psc_dma->playback;
375 struct psc_dma *psc_dma;
395 psc_dma = kzalloc(sizeof *psc_dma, GFP_KERNEL);
396 if (!psc_dma) {
408 spin_lock_init(&psc_dma->lock);
409 mutex_init(&psc_dma->mutex);
410 psc_dma->id = be32_to_cpu(*prop);
411 psc_dma->irq = irq;
412 psc_dma->psc_regs = regs;
413 psc_dma->fifo_regs = regs + sizeof *psc_dma->psc_regs;
414 psc_dma->dev = &op->dev;
415 psc_dma->playback.psc_dma = psc_dma;
416 psc_dma->capture.psc_dma = psc_dma;
417 snprintf(psc_dma->name, sizeof psc_dma->name, "PSC%u", psc_dma->id);
422 psc_dma->capture.bcom_task =
423 bcom_psc_gen_bd_rx_init(psc_dma->id, 10, fifo, 512);
424 psc_dma->playback.bcom_task =
425 bcom_psc_gen_bd_tx_init(psc_dma->id, 10, fifo);
426 if (!psc_dma->capture.bcom_task ||
427 !psc_dma->playback.bcom_task) {
434 out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
436 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_RX);
438 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_TX);
440 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_ERR_STAT);
442 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_SEL_MODE_REG_1);
448 out_8(&psc_dma->psc_regs->mode, 0);
449 out_8(&psc_dma->psc_regs->mode, 0);
452 out_be16(&psc_dma->fifo_regs->rfalarm, 0x100);
453 out_8(&psc_dma->fifo_regs->rfcntl, 0x4);
454 out_be16(&psc_dma->fifo_regs->tfalarm, 0x100);
455 out_8(&psc_dma->fifo_regs->tfcntl, 0x7);
458 psc_dma->playback.irq =
459 bcom_get_task_irq(psc_dma->playback.bcom_task);
460 psc_dma->capture.irq =
461 bcom_get_task_irq(psc_dma->capture.bcom_task);
463 rc = request_irq(psc_dma->irq, &psc_dma_status_irq, IRQF_SHARED,
464 "psc-dma-status", psc_dma);
465 rc |= request_irq(psc_dma->capture.irq, &psc_dma_bcom_irq, IRQF_SHARED,
466 "psc-dma-capture", &psc_dma->capture);
467 rc |= request_irq(psc_dma->playback.irq, &psc_dma_bcom_irq, IRQF_SHARED,
468 "psc-dma-playback", &psc_dma->playback);
475 dev_set_drvdata(&op->dev, psc_dma);
481 free_irq(psc_dma->irq, psc_dma);
482 free_irq(psc_dma->capture.irq, &psc_dma->capture);
483 free_irq(psc_dma->playback.irq, &psc_dma->playback);
485 kfree(psc_dma);
494 struct psc_dma *psc_dma = dev_get_drvdata(&op->dev);
498 bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
499 bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);
502 free_irq(psc_dma->irq, psc_dma);
503 free_irq(psc_dma->capture.irq, &psc_dma->capture);
504 free_irq(psc_dma->playback.irq, &psc_dma->playback);
506 iounmap(psc_dma->psc_regs);
507 kfree(psc_dma);