Lines Matching refs:mcpdm
76 static inline void omap_mcpdm_write(struct omap_mcpdm *mcpdm, u16 reg, u32 val) in omap_mcpdm_write() argument
78 writel_relaxed(val, mcpdm->io_base + reg); in omap_mcpdm_write()
81 static inline int omap_mcpdm_read(struct omap_mcpdm *mcpdm, u16 reg) in omap_mcpdm_read() argument
83 return readl_relaxed(mcpdm->io_base + reg); in omap_mcpdm_read()
87 static void omap_mcpdm_reg_dump(struct omap_mcpdm *mcpdm) in omap_mcpdm_reg_dump() argument
89 dev_dbg(mcpdm->dev, "***********************\n"); in omap_mcpdm_reg_dump()
90 dev_dbg(mcpdm->dev, "IRQSTATUS_RAW: 0x%04x\n", in omap_mcpdm_reg_dump()
91 omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS_RAW)); in omap_mcpdm_reg_dump()
92 dev_dbg(mcpdm->dev, "IRQSTATUS: 0x%04x\n", in omap_mcpdm_reg_dump()
93 omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS)); in omap_mcpdm_reg_dump()
94 dev_dbg(mcpdm->dev, "IRQENABLE_SET: 0x%04x\n", in omap_mcpdm_reg_dump()
95 omap_mcpdm_read(mcpdm, MCPDM_REG_IRQENABLE_SET)); in omap_mcpdm_reg_dump()
96 dev_dbg(mcpdm->dev, "IRQENABLE_CLR: 0x%04x\n", in omap_mcpdm_reg_dump()
97 omap_mcpdm_read(mcpdm, MCPDM_REG_IRQENABLE_CLR)); in omap_mcpdm_reg_dump()
98 dev_dbg(mcpdm->dev, "IRQWAKE_EN: 0x%04x\n", in omap_mcpdm_reg_dump()
99 omap_mcpdm_read(mcpdm, MCPDM_REG_IRQWAKE_EN)); in omap_mcpdm_reg_dump()
100 dev_dbg(mcpdm->dev, "DMAENABLE_SET: 0x%04x\n", in omap_mcpdm_reg_dump()
101 omap_mcpdm_read(mcpdm, MCPDM_REG_DMAENABLE_SET)); in omap_mcpdm_reg_dump()
102 dev_dbg(mcpdm->dev, "DMAENABLE_CLR: 0x%04x\n", in omap_mcpdm_reg_dump()
103 omap_mcpdm_read(mcpdm, MCPDM_REG_DMAENABLE_CLR)); in omap_mcpdm_reg_dump()
104 dev_dbg(mcpdm->dev, "DMAWAKEEN: 0x%04x\n", in omap_mcpdm_reg_dump()
105 omap_mcpdm_read(mcpdm, MCPDM_REG_DMAWAKEEN)); in omap_mcpdm_reg_dump()
106 dev_dbg(mcpdm->dev, "CTRL: 0x%04x\n", in omap_mcpdm_reg_dump()
107 omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL)); in omap_mcpdm_reg_dump()
108 dev_dbg(mcpdm->dev, "DN_DATA: 0x%04x\n", in omap_mcpdm_reg_dump()
109 omap_mcpdm_read(mcpdm, MCPDM_REG_DN_DATA)); in omap_mcpdm_reg_dump()
110 dev_dbg(mcpdm->dev, "UP_DATA: 0x%04x\n", in omap_mcpdm_reg_dump()
111 omap_mcpdm_read(mcpdm, MCPDM_REG_UP_DATA)); in omap_mcpdm_reg_dump()
112 dev_dbg(mcpdm->dev, "FIFO_CTRL_DN: 0x%04x\n", in omap_mcpdm_reg_dump()
113 omap_mcpdm_read(mcpdm, MCPDM_REG_FIFO_CTRL_DN)); in omap_mcpdm_reg_dump()
114 dev_dbg(mcpdm->dev, "FIFO_CTRL_UP: 0x%04x\n", in omap_mcpdm_reg_dump()
115 omap_mcpdm_read(mcpdm, MCPDM_REG_FIFO_CTRL_UP)); in omap_mcpdm_reg_dump()
116 dev_dbg(mcpdm->dev, "***********************\n"); in omap_mcpdm_reg_dump()
119 static void omap_mcpdm_reg_dump(struct omap_mcpdm *mcpdm) {} in omap_mcpdm_reg_dump() argument
126 static void omap_mcpdm_start(struct omap_mcpdm *mcpdm) in omap_mcpdm_start() argument
128 u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); in omap_mcpdm_start()
129 u32 link_mask = mcpdm->config[0].link_mask | mcpdm->config[1].link_mask; in omap_mcpdm_start()
132 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_start()
135 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_start()
138 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_start()
145 static void omap_mcpdm_stop(struct omap_mcpdm *mcpdm) in omap_mcpdm_stop() argument
147 u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); in omap_mcpdm_stop()
151 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_stop()
154 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_stop()
157 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); in omap_mcpdm_stop()
164 static inline int omap_mcpdm_active(struct omap_mcpdm *mcpdm) in omap_mcpdm_active() argument
166 return omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL) & in omap_mcpdm_active()
174 static void omap_mcpdm_open_streams(struct omap_mcpdm *mcpdm) in omap_mcpdm_open_streams() argument
176 omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_SET, in omap_mcpdm_open_streams()
181 if (mcpdm->dn_rx_offset) { in omap_mcpdm_open_streams()
182 u32 dn_offset = mcpdm->dn_rx_offset; in omap_mcpdm_open_streams()
184 omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, dn_offset); in omap_mcpdm_open_streams()
186 omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, dn_offset); in omap_mcpdm_open_streams()
189 omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_DN, in omap_mcpdm_open_streams()
190 mcpdm->config[SNDRV_PCM_STREAM_PLAYBACK].threshold); in omap_mcpdm_open_streams()
191 omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_UP, in omap_mcpdm_open_streams()
192 mcpdm->config[SNDRV_PCM_STREAM_CAPTURE].threshold); in omap_mcpdm_open_streams()
194 omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_SET, in omap_mcpdm_open_streams()
202 static void omap_mcpdm_close_streams(struct omap_mcpdm *mcpdm) in omap_mcpdm_close_streams() argument
205 omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_CLR, in omap_mcpdm_close_streams()
209 omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_CLR, MCPDM_DMA_DN_ENABLE); in omap_mcpdm_close_streams()
212 omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_CLR, in omap_mcpdm_close_streams()
216 omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_CLR, MCPDM_DMA_UP_ENABLE); in omap_mcpdm_close_streams()
219 if (mcpdm->dn_rx_offset) in omap_mcpdm_close_streams()
220 omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, 0); in omap_mcpdm_close_streams()
225 struct omap_mcpdm *mcpdm = dev_id; in omap_mcpdm_irq_handler() local
228 irq_status = omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS); in omap_mcpdm_irq_handler()
231 omap_mcpdm_write(mcpdm, MCPDM_REG_IRQSTATUS, irq_status); in omap_mcpdm_irq_handler()
234 dev_dbg(mcpdm->dev, "DN (playback) FIFO Full\n"); in omap_mcpdm_irq_handler()
237 dev_dbg(mcpdm->dev, "DN (playback) FIFO Empty\n"); in omap_mcpdm_irq_handler()
240 dev_dbg(mcpdm->dev, "DN (playback) write request\n"); in omap_mcpdm_irq_handler()
243 dev_dbg(mcpdm->dev, "UP (capture) FIFO Full\n"); in omap_mcpdm_irq_handler()
246 dev_dbg(mcpdm->dev, "UP (capture) FIFO Empty\n"); in omap_mcpdm_irq_handler()
249 dev_dbg(mcpdm->dev, "UP (capture) write request\n"); in omap_mcpdm_irq_handler()
257 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_dai_startup() local
259 mutex_lock(&mcpdm->mutex); in omap_mcpdm_dai_startup()
262 u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); in omap_mcpdm_dai_startup()
264 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN); in omap_mcpdm_dai_startup()
265 omap_mcpdm_open_streams(mcpdm); in omap_mcpdm_dai_startup()
267 mutex_unlock(&mcpdm->mutex); in omap_mcpdm_dai_startup()
275 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_dai_shutdown() local
277 mutex_lock(&mcpdm->mutex); in omap_mcpdm_dai_shutdown()
280 if (omap_mcpdm_active(mcpdm)) { in omap_mcpdm_dai_shutdown()
281 omap_mcpdm_stop(mcpdm); in omap_mcpdm_dai_shutdown()
282 omap_mcpdm_close_streams(mcpdm); in omap_mcpdm_dai_shutdown()
283 mcpdm->config[0].link_mask = 0; in omap_mcpdm_dai_shutdown()
284 mcpdm->config[1].link_mask = 0; in omap_mcpdm_dai_shutdown()
288 mutex_unlock(&mcpdm->mutex); in omap_mcpdm_dai_shutdown()
295 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_dai_hw_params() local
328 threshold = mcpdm->config[stream].threshold; in omap_mcpdm_dai_hw_params()
334 if (!mcpdm->config[!stream].link_mask) in omap_mcpdm_dai_hw_params()
335 mcpdm->config[!stream].link_mask = 0x3; in omap_mcpdm_dai_hw_params()
341 if (!mcpdm->config[!stream].link_mask) in omap_mcpdm_dai_hw_params()
342 mcpdm->config[!stream].link_mask = (0x3 << 3); in omap_mcpdm_dai_hw_params()
348 if (mcpdm->config[stream].link_mask && in omap_mcpdm_dai_hw_params()
349 mcpdm->config[stream].link_mask != link_mask) in omap_mcpdm_dai_hw_params()
350 mcpdm->restart = true; in omap_mcpdm_dai_hw_params()
352 mcpdm->config[stream].link_mask = link_mask; in omap_mcpdm_dai_hw_params()
360 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_prepare() local
362 if (!omap_mcpdm_active(mcpdm)) { in omap_mcpdm_prepare()
363 omap_mcpdm_start(mcpdm); in omap_mcpdm_prepare()
364 omap_mcpdm_reg_dump(mcpdm); in omap_mcpdm_prepare()
365 } else if (mcpdm->restart) { in omap_mcpdm_prepare()
366 omap_mcpdm_stop(mcpdm); in omap_mcpdm_prepare()
367 omap_mcpdm_start(mcpdm); in omap_mcpdm_prepare()
368 mcpdm->restart = false; in omap_mcpdm_prepare()
369 omap_mcpdm_reg_dump(mcpdm); in omap_mcpdm_prepare()
384 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_probe() local
387 pm_runtime_enable(mcpdm->dev); in omap_mcpdm_probe()
390 pm_runtime_get_sync(mcpdm->dev); in omap_mcpdm_probe()
391 omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, 0x00); in omap_mcpdm_probe()
393 ret = devm_request_irq(mcpdm->dev, mcpdm->irq, omap_mcpdm_irq_handler, in omap_mcpdm_probe()
394 0, "McPDM", (void *)mcpdm); in omap_mcpdm_probe()
396 pm_runtime_put_sync(mcpdm->dev); in omap_mcpdm_probe()
399 dev_err(mcpdm->dev, "Request for IRQ failed\n"); in omap_mcpdm_probe()
400 pm_runtime_disable(mcpdm->dev); in omap_mcpdm_probe()
404 mcpdm->config[SNDRV_PCM_STREAM_PLAYBACK].threshold = 2; in omap_mcpdm_probe()
405 mcpdm->config[SNDRV_PCM_STREAM_CAPTURE].threshold = in omap_mcpdm_probe()
409 &mcpdm->dma_data[SNDRV_PCM_STREAM_PLAYBACK], in omap_mcpdm_probe()
410 &mcpdm->dma_data[SNDRV_PCM_STREAM_CAPTURE]); in omap_mcpdm_probe()
417 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); in omap_mcpdm_remove() local
419 pm_runtime_disable(mcpdm->dev); in omap_mcpdm_remove()
456 struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(rtd->cpu_dai); in omap_mcpdm_configure_dn_offsets() local
458 mcpdm->dn_rx_offset = MCPDM_DNOFST_RX1(rx1) | MCPDM_DNOFST_RX2(rx2); in omap_mcpdm_configure_dn_offsets()
464 struct omap_mcpdm *mcpdm; in asoc_mcpdm_probe() local
468 mcpdm = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcpdm), GFP_KERNEL); in asoc_mcpdm_probe()
469 if (!mcpdm) in asoc_mcpdm_probe()
472 platform_set_drvdata(pdev, mcpdm); in asoc_mcpdm_probe()
474 mutex_init(&mcpdm->mutex); in asoc_mcpdm_probe()
480 mcpdm->dma_data[0].addr = res->start + MCPDM_REG_DN_DATA; in asoc_mcpdm_probe()
481 mcpdm->dma_data[1].addr = res->start + MCPDM_REG_UP_DATA; in asoc_mcpdm_probe()
483 mcpdm->dma_data[0].filter_data = "dn_link"; in asoc_mcpdm_probe()
484 mcpdm->dma_data[1].filter_data = "up_link"; in asoc_mcpdm_probe()
487 mcpdm->io_base = devm_ioremap_resource(&pdev->dev, res); in asoc_mcpdm_probe()
488 if (IS_ERR(mcpdm->io_base)) in asoc_mcpdm_probe()
489 return PTR_ERR(mcpdm->io_base); in asoc_mcpdm_probe()
491 mcpdm->irq = platform_get_irq(pdev, 0); in asoc_mcpdm_probe()
492 if (mcpdm->irq < 0) in asoc_mcpdm_probe()
493 return mcpdm->irq; in asoc_mcpdm_probe()
495 mcpdm->dev = &pdev->dev; in asoc_mcpdm_probe()