Lines Matching +full:cmd +full:- +full:dat +full:- +full:pins
4 * Multi-channel Audio Serial Port Driver
6 * Author: Nirmal Pandey <n-pandey@ti.com>,
40 #include "edma-pcm.h"
41 #include "../omap/sdma-pcm.h"
42 #include "davinci-mcasp.h"
120 void __iomem *reg = mcasp->base + offset; in mcasp_set_bits()
127 void __iomem *reg = mcasp->base + offset; in mcasp_clr_bits()
134 void __iomem *reg = mcasp->base + offset; in mcasp_mod_bits()
141 __raw_writel(val, mcasp->base + offset); in mcasp_set_reg()
146 return (u32)__raw_readl(mcasp->base + offset); in mcasp_get_reg()
156 /* loop count is to avoid the lock-up */ in mcasp_set_ctl_reg()
176 if (mcasp->rxnumevt) { /* enable FIFO */ in mcasp_start_rx()
177 u32 reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET; in mcasp_start_rx()
207 mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE]); in mcasp_start_rx()
214 if (mcasp->txnumevt) { /* enable FIFO */ in mcasp_start_tx()
215 u32 reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET; in mcasp_start_tx()
240 mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK]); in mcasp_start_tx()
245 mcasp->streams++; in davinci_mcasp_start()
257 mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE]); in mcasp_stop_rx()
263 if (mcasp_is_synchronous(mcasp) && !mcasp->streams) in mcasp_stop_rx()
269 if (mcasp->rxnumevt) { /* disable FIFO */ in mcasp_stop_rx()
270 u32 reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET; in mcasp_stop_rx()
282 mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK]); in mcasp_stop_tx()
288 if (mcasp_is_synchronous(mcasp) && mcasp->streams) in mcasp_stop_tx()
294 if (mcasp->txnumevt) { /* disable FIFO */ in mcasp_stop_tx()
295 u32 reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET; in mcasp_stop_tx()
303 mcasp->streams--; in davinci_mcasp_stop()
315 u32 irq_mask = mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK]; in davinci_mcasp_tx_irq_handler()
321 dev_warn(mcasp->dev, "Transmit buffer underflow\n"); in davinci_mcasp_tx_irq_handler()
324 substream = mcasp->substreams[SNDRV_PCM_STREAM_PLAYBACK]; in davinci_mcasp_tx_irq_handler()
330 dev_warn(mcasp->dev, "unhandled tx event. txstat: 0x%08x\n", in davinci_mcasp_tx_irq_handler()
346 u32 irq_mask = mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE]; in davinci_mcasp_rx_irq_handler()
352 dev_warn(mcasp->dev, "Receive buffer overflow\n"); in davinci_mcasp_rx_irq_handler()
355 substream = mcasp->substreams[SNDRV_PCM_STREAM_CAPTURE]; in davinci_mcasp_rx_irq_handler()
361 dev_warn(mcasp->dev, "unhandled rx event. rxstat: 0x%08x\n", in davinci_mcasp_rx_irq_handler()
378 if (mcasp->substreams[SNDRV_PCM_STREAM_PLAYBACK]) in davinci_mcasp_common_irq_handler()
381 if (mcasp->substreams[SNDRV_PCM_STREAM_CAPTURE]) in davinci_mcasp_common_irq_handler()
399 pm_runtime_get_sync(mcasp->dev); in davinci_mcasp_set_dai_fmt()
415 /* configure a full-word SYNC pulse (LRCLK) */ in davinci_mcasp_set_dai_fmt()
424 /* configure a full-word SYNC pulse (LRCLK) */ in davinci_mcasp_set_dai_fmt()
431 ret = -EINVAL; in davinci_mcasp_set_dai_fmt()
451 mcasp->bclk_master = 1; in davinci_mcasp_set_dai_fmt()
463 mcasp->bclk_master = 1; in davinci_mcasp_set_dai_fmt()
475 mcasp->bclk_master = 0; in davinci_mcasp_set_dai_fmt()
487 mcasp->bclk_master = 0; in davinci_mcasp_set_dai_fmt()
490 ret = -EINVAL; in davinci_mcasp_set_dai_fmt()
516 ret = -EINVAL; in davinci_mcasp_set_dai_fmt()
531 mcasp->dai_fmt = fmt; in davinci_mcasp_set_dai_fmt()
533 pm_runtime_put(mcasp->dev); in davinci_mcasp_set_dai_fmt()
540 pm_runtime_get_sync(mcasp->dev); in __davinci_mcasp_set_clkdiv()
544 AHCLKXDIV(div - 1), AHCLKXDIV_MASK); in __davinci_mcasp_set_clkdiv()
546 AHCLKRDIV(div - 1), AHCLKRDIV_MASK); in __davinci_mcasp_set_clkdiv()
551 ACLKXDIV(div - 1), ACLKXDIV_MASK); in __davinci_mcasp_set_clkdiv()
553 ACLKRDIV(div - 1), ACLKRDIV_MASK); in __davinci_mcasp_set_clkdiv()
555 mcasp->bclk_div = div; in __davinci_mcasp_set_clkdiv()
560 * BCLK/LRCLK ratio descries how many bit-clock cycles in __davinci_mcasp_set_clkdiv()
564 * of tdm-slots (for I2S - divided by 2). in __davinci_mcasp_set_clkdiv()
569 mcasp->slot_width = div / mcasp->tdm_slots; in __davinci_mcasp_set_clkdiv()
570 if (div % mcasp->tdm_slots) in __davinci_mcasp_set_clkdiv()
571 dev_warn(mcasp->dev, in __davinci_mcasp_set_clkdiv()
573 __func__, div, mcasp->tdm_slots); in __davinci_mcasp_set_clkdiv()
577 return -EINVAL; in __davinci_mcasp_set_clkdiv()
580 pm_runtime_put(mcasp->dev); in __davinci_mcasp_set_clkdiv()
597 pm_runtime_get_sync(mcasp->dev); in davinci_mcasp_set_sysclk()
608 mcasp->sysclk_freq = freq; in davinci_mcasp_set_sysclk()
610 pm_runtime_put(mcasp->dev); in davinci_mcasp_set_sysclk()
618 struct snd_pcm_hw_constraint_list *cl = &mcasp->chconstr[stream]; in davinci_mcasp_ch_constraint()
619 unsigned int *list = (unsigned int *) cl->list; in davinci_mcasp_ch_constraint()
620 int slots = mcasp->tdm_slots; in davinci_mcasp_ch_constraint()
623 if (mcasp->tdm_mask[stream]) in davinci_mcasp_ch_constraint()
624 slots = hweight32(mcasp->tdm_mask[stream]); in davinci_mcasp_ch_constraint()
632 cl->count = count; in davinci_mcasp_ch_constraint()
641 for (i = 0; i < mcasp->num_serializer; i++) in davinci_mcasp_set_ch_constraints()
642 if (mcasp->serial_dir[i] == TX_MODE) in davinci_mcasp_set_ch_constraints()
644 else if (mcasp->serial_dir[i] == RX_MODE) in davinci_mcasp_set_ch_constraints()
666 dev_dbg(mcasp->dev, in davinci_mcasp_set_tdm_slot()
671 dev_err(mcasp->dev, in davinci_mcasp_set_tdm_slot()
674 return -EINVAL; in davinci_mcasp_set_tdm_slot()
679 dev_err(mcasp->dev, "%s: Unsupported slot_width %d\n", in davinci_mcasp_set_tdm_slot()
681 return -EINVAL; in davinci_mcasp_set_tdm_slot()
684 mcasp->tdm_slots = slots; in davinci_mcasp_set_tdm_slot()
685 mcasp->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask; in davinci_mcasp_set_tdm_slot()
686 mcasp->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = rx_mask; in davinci_mcasp_set_tdm_slot()
687 mcasp->slot_width = slot_width; in davinci_mcasp_set_tdm_slot()
697 u32 mask = (1ULL << sample_width) - 1; in davinci_config_channel_size()
705 * S24_3LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB| in davinci_config_channel_size()
706 * S24_LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB| in davinci_config_channel_size()
707 * S32_LE: |LSB|DAT|DAT|MSB| |MSB|DAT|DAT|LSB| in davinci_config_channel_size()
717 if (mcasp->slot_width) { in davinci_config_channel_size()
723 slot_width = mcasp->slot_width; in davinci_config_channel_size()
724 rx_rotate = (slot_width - sample_width) / 4; in davinci_config_channel_size()
727 /* mapping of the XSSZ bit-field as described in the datasheet */ in davinci_config_channel_size()
728 fmt = (slot_width >> 1) - 1; in davinci_config_channel_size()
730 if (mcasp->op_mode != DAVINCI_MCASP_DIT_MODE) { in davinci_config_channel_size()
750 struct snd_dmaengine_dai_dma_data *dma_data = &mcasp->dma_data[stream]; in mcasp_common_hw_param()
754 u8 slots = mcasp->tdm_slots; in mcasp_common_hw_param()
755 u8 max_active_serializers = (channels + slots - 1) / slots; in mcasp_common_hw_param()
759 if (mcasp->version < MCASP_VERSION_3) in mcasp_common_hw_param()
762 /* All PINS as McASP */ in mcasp_common_hw_param()
773 for (i = 0; i < mcasp->num_serializer; i++) { in mcasp_common_hw_param()
775 mcasp->serial_dir[i]); in mcasp_common_hw_param()
776 if (mcasp->serial_dir[i] == TX_MODE && in mcasp_common_hw_param()
782 } else if (mcasp->serial_dir[i] == RX_MODE && in mcasp_common_hw_param()
786 } else if (mcasp->serial_dir[i] == INACTIVE_MODE) { in mcasp_common_hw_param()
794 numevt = mcasp->txnumevt; in mcasp_common_hw_param()
795 reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET; in mcasp_common_hw_param()
798 numevt = mcasp->rxnumevt; in mcasp_common_hw_param()
799 reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET; in mcasp_common_hw_param()
803 dev_warn(mcasp->dev, "stream has more channels (%d) than are " in mcasp_common_hw_param()
806 return -EINVAL; in mcasp_common_hw_param()
819 dma_data->maxburst = active_serializers; in mcasp_common_hw_param()
821 dma_data->maxburst = 0; in mcasp_common_hw_param()
827 dev_err(mcasp->dev, "Invalid combination of period words and " in mcasp_common_hw_param()
830 return -EINVAL; in mcasp_common_hw_param()
841 numevt -= active_serializers; in mcasp_common_hw_param()
851 dma_data->maxburst = numevt; in mcasp_common_hw_param()
865 total_slots = mcasp->tdm_slots; in mcasp_i2s_hw_param()
873 if (mcasp->tdm_mask[stream]) { in mcasp_i2s_hw_param()
874 active_slots = hweight32(mcasp->tdm_mask[stream]); in mcasp_i2s_hw_param()
875 active_serializers = (channels + active_slots - 1) / in mcasp_i2s_hw_param()
880 if ((1 << i) & mcasp->tdm_mask[stream]) { in mcasp_i2s_hw_param()
882 if (--active_slots <= 0) in mcasp_i2s_hw_param()
887 active_serializers = (channels + total_slots - 1) / total_slots; in mcasp_i2s_hw_param()
898 if (!mcasp->dat_port) in mcasp_i2s_hw_param()
916 if (mcasp_is_synchronous(mcasp) && !mcasp->channels) in mcasp_i2s_hw_param()
986 return -EINVAL; in mcasp_dit_hw_param()
999 unsigned int sysclk_freq = mcasp->sysclk_freq; in davinci_mcasp_calc_clk_div()
1015 dev_warn(mcasp->dev, "Too fast reference clock (%u)\n", in davinci_mcasp_calc_clk_div()
1022 ((sysclk_freq / div) - bclk_freq) > in davinci_mcasp_calc_clk_div()
1023 (bclk_freq - (sysclk_freq / (div+1)))) { in davinci_mcasp_calc_clk_div()
1025 rem = rem - bclk_freq; in davinci_mcasp_calc_clk_div()
1029 (int)bclk_freq)) / div - 1000000; in davinci_mcasp_calc_clk_div()
1033 dev_info(mcasp->dev, "Sample-rate is off by %d PPM\n", in davinci_mcasp_calc_clk_div()
1055 ret = davinci_mcasp_set_dai_fmt(cpu_dai, mcasp->dai_fmt); in davinci_mcasp_hw_params()
1063 if (mcasp->bclk_master && mcasp->bclk_div == 0 && mcasp->sysclk_freq) { in davinci_mcasp_hw_params()
1064 int slots = mcasp->tdm_slots; in davinci_mcasp_hw_params()
1068 if (mcasp->slot_width) in davinci_mcasp_hw_params()
1069 sbits = mcasp->slot_width; in davinci_mcasp_hw_params()
1074 ret = mcasp_common_hw_param(mcasp, substream->stream, in davinci_mcasp_hw_params()
1079 if (mcasp->op_mode == DAVINCI_MCASP_DIT_MODE) in davinci_mcasp_hw_params()
1082 ret = mcasp_i2s_hw_param(mcasp, substream->stream, in davinci_mcasp_hw_params()
1115 printk(KERN_WARNING "davinci-mcasp: unsupported PCM format"); in davinci_mcasp_hw_params()
1116 return -EINVAL; in davinci_mcasp_hw_params()
1121 if (mcasp->op_mode == DAVINCI_MCASP_IIS_MODE) in davinci_mcasp_hw_params()
1122 mcasp->channels = channels; in davinci_mcasp_hw_params()
1128 int cmd, struct snd_soc_dai *cpu_dai) in davinci_mcasp_trigger() argument
1133 switch (cmd) { in davinci_mcasp_trigger()
1137 davinci_mcasp_start(mcasp, substream->stream); in davinci_mcasp_trigger()
1142 davinci_mcasp_stop(mcasp, substream->stream); in davinci_mcasp_trigger()
1146 ret = -EINVAL; in davinci_mcasp_trigger()
1155 struct davinci_mcasp_ruledata *rd = rule->private; in davinci_mcasp_hw_rule_slot_width()
1161 slot_width = rd->mcasp->slot_width; in davinci_mcasp_hw_rule_slot_width()
1184 struct davinci_mcasp_ruledata *rd = rule->private; in davinci_mcasp_hw_rule_rate()
1188 int slots = rd->mcasp->tdm_slots; in davinci_mcasp_hw_rule_rate()
1192 if (rd->mcasp->slot_width) in davinci_mcasp_hw_rule_rate()
1193 sbits = rd->mcasp->slot_width; in davinci_mcasp_hw_rule_rate()
1204 ppm = davinci_mcasp_calc_clk_div(rd->mcasp, bclk_freq, in davinci_mcasp_hw_rule_rate()
1216 dev_dbg(rd->mcasp->dev, in davinci_mcasp_hw_rule_rate()
1217 "Frequencies %d-%d -> %d-%d for %d sbits and %d tdm slots\n", in davinci_mcasp_hw_rule_rate()
1218 ri->min, ri->max, range.min, range.max, sbits, slots); in davinci_mcasp_hw_rule_rate()
1220 return snd_interval_refine(hw_param_interval(params, rule->var), in davinci_mcasp_hw_rule_rate()
1227 struct davinci_mcasp_ruledata *rd = rule->private; in davinci_mcasp_hw_rule_format()
1231 int slots = rd->mcasp->tdm_slots; in davinci_mcasp_hw_rule_format()
1241 if (rd->mcasp->slot_width) in davinci_mcasp_hw_rule_format()
1242 sbits = rd->mcasp->slot_width; in davinci_mcasp_hw_rule_format()
1244 ppm = davinci_mcasp_calc_clk_div(rd->mcasp, in davinci_mcasp_hw_rule_format()
1253 dev_dbg(rd->mcasp->dev, in davinci_mcasp_hw_rule_format()
1279 &mcasp->ruledata[substream->stream]; in davinci_mcasp_startup()
1282 int tdm_slots = mcasp->tdm_slots; in davinci_mcasp_startup()
1285 if (mcasp->substreams[substream->stream]) in davinci_mcasp_startup()
1286 return -EBUSY; in davinci_mcasp_startup()
1288 mcasp->substreams[substream->stream] = substream; in davinci_mcasp_startup()
1290 if (mcasp->tdm_mask[substream->stream]) in davinci_mcasp_startup()
1291 tdm_slots = hweight32(mcasp->tdm_mask[substream->stream]); in davinci_mcasp_startup()
1293 if (mcasp->op_mode == DAVINCI_MCASP_DIT_MODE) in davinci_mcasp_startup()
1300 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in davinci_mcasp_startup()
1305 for (i = 0; i < mcasp->num_serializer; i++) { in davinci_mcasp_startup()
1306 if (mcasp->serial_dir[i] == dir) in davinci_mcasp_startup()
1309 ruledata->serializers = max_channels; in davinci_mcasp_startup()
1310 ruledata->mcasp = mcasp; in davinci_mcasp_startup()
1319 if (mcasp->channels && mcasp->channels < max_channels) in davinci_mcasp_startup()
1320 max_channels = mcasp->channels; in davinci_mcasp_startup()
1328 snd_pcm_hw_constraint_minmax(substream->runtime, in davinci_mcasp_startup()
1332 snd_pcm_hw_constraint_list(substream->runtime, in davinci_mcasp_startup()
1334 &mcasp->chconstr[substream->stream]); in davinci_mcasp_startup()
1336 if (mcasp->slot_width) { in davinci_mcasp_startup()
1338 ret = snd_pcm_hw_rule_add(substream->runtime, 0, in davinci_mcasp_startup()
1342 SNDRV_PCM_HW_PARAM_FORMAT, -1); in davinci_mcasp_startup()
1351 if (mcasp->bclk_master && mcasp->bclk_div == 0 && mcasp->sysclk_freq) { in davinci_mcasp_startup()
1352 ret = snd_pcm_hw_rule_add(substream->runtime, 0, in davinci_mcasp_startup()
1356 SNDRV_PCM_HW_PARAM_FORMAT, -1); in davinci_mcasp_startup()
1359 ret = snd_pcm_hw_rule_add(substream->runtime, 0, in davinci_mcasp_startup()
1363 SNDRV_PCM_HW_PARAM_RATE, -1); in davinci_mcasp_startup()
1368 snd_pcm_hw_rule_add(substream->runtime, 0, in davinci_mcasp_startup()
1371 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1); in davinci_mcasp_startup()
1381 mcasp->substreams[substream->stream] = NULL; in davinci_mcasp_shutdown()
1383 if (mcasp->op_mode == DAVINCI_MCASP_DIT_MODE) in davinci_mcasp_shutdown()
1386 if (!cpu_dai->active) in davinci_mcasp_shutdown()
1387 mcasp->channels = 0; in davinci_mcasp_shutdown()
1405 dai->playback_dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK]; in davinci_mcasp_dai_probe()
1406 dai->capture_dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE]; in davinci_mcasp_dai_probe()
1415 struct davinci_mcasp_context *context = &mcasp->context; in davinci_mcasp_suspend()
1419 context->pm_state = pm_runtime_active(mcasp->dev); in davinci_mcasp_suspend()
1420 if (!context->pm_state) in davinci_mcasp_suspend()
1421 pm_runtime_get_sync(mcasp->dev); in davinci_mcasp_suspend()
1424 context->config_regs[i] = mcasp_get_reg(mcasp, context_regs[i]); in davinci_mcasp_suspend()
1426 if (mcasp->txnumevt) { in davinci_mcasp_suspend()
1427 reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET; in davinci_mcasp_suspend()
1428 context->afifo_regs[0] = mcasp_get_reg(mcasp, reg); in davinci_mcasp_suspend()
1430 if (mcasp->rxnumevt) { in davinci_mcasp_suspend()
1431 reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET; in davinci_mcasp_suspend()
1432 context->afifo_regs[1] = mcasp_get_reg(mcasp, reg); in davinci_mcasp_suspend()
1435 for (i = 0; i < mcasp->num_serializer; i++) in davinci_mcasp_suspend()
1436 context->xrsr_regs[i] = mcasp_get_reg(mcasp, in davinci_mcasp_suspend()
1439 pm_runtime_put_sync(mcasp->dev); in davinci_mcasp_suspend()
1447 struct davinci_mcasp_context *context = &mcasp->context; in davinci_mcasp_resume()
1451 pm_runtime_get_sync(mcasp->dev); in davinci_mcasp_resume()
1454 mcasp_set_reg(mcasp, context_regs[i], context->config_regs[i]); in davinci_mcasp_resume()
1456 if (mcasp->txnumevt) { in davinci_mcasp_resume()
1457 reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET; in davinci_mcasp_resume()
1458 mcasp_set_reg(mcasp, reg, context->afifo_regs[0]); in davinci_mcasp_resume()
1460 if (mcasp->rxnumevt) { in davinci_mcasp_resume()
1461 reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET; in davinci_mcasp_resume()
1462 mcasp_set_reg(mcasp, reg, context->afifo_regs[1]); in davinci_mcasp_resume()
1465 for (i = 0; i < mcasp->num_serializer; i++) in davinci_mcasp_resume()
1467 context->xrsr_regs[i]); in davinci_mcasp_resume()
1469 if (!context->pm_state) in davinci_mcasp_resume()
1470 pm_runtime_put_sync(mcasp->dev); in davinci_mcasp_resume()
1494 .name = "davinci-mcasp.0",
1516 .name = "davinci-mcasp.1",
1530 .name = "davinci-mcasp",
1561 .compatible = "ti,dm646x-mcasp-audio",
1565 .compatible = "ti,da830-mcasp-audio",
1569 .compatible = "ti,am33xx-mcasp-audio",
1573 .compatible = "ti,dra7-mcasp-audio",
1582 struct device_node *node = pdev->dev.of_node; in mcasp_reparent_fck()
1594 dev_warn(&pdev->dev, "Update the bindings to use assigned-clocks!\n"); in mcasp_reparent_fck()
1596 gfclk = clk_get(&pdev->dev, "fck"); in mcasp_reparent_fck()
1598 dev_err(&pdev->dev, "failed to get fck\n"); in mcasp_reparent_fck()
1604 dev_err(&pdev->dev, "failed to get parent clock\n"); in mcasp_reparent_fck()
1611 dev_err(&pdev->dev, "failed to reparent fck\n"); in mcasp_reparent_fck()
1625 struct device_node *np = pdev->dev.of_node; in davinci_mcasp_set_pdata_from_of()
1628 of_match_device(mcasp_dt_ids, &pdev->dev); in davinci_mcasp_set_pdata_from_of()
1635 if (pdev->dev.platform_data) { in davinci_mcasp_set_pdata_from_of()
1636 pdata = pdev->dev.platform_data; in davinci_mcasp_set_pdata_from_of()
1639 pdata = devm_kmemdup(&pdev->dev, match->data, sizeof(*pdata), in davinci_mcasp_set_pdata_from_of()
1642 ret = -ENOMEM; in davinci_mcasp_set_pdata_from_of()
1647 ret = -EINVAL; in davinci_mcasp_set_pdata_from_of()
1651 ret = of_property_read_u32(np, "op-mode", &val); in davinci_mcasp_set_pdata_from_of()
1653 pdata->op_mode = val; in davinci_mcasp_set_pdata_from_of()
1655 ret = of_property_read_u32(np, "tdm-slots", &val); in davinci_mcasp_set_pdata_from_of()
1658 dev_err(&pdev->dev, in davinci_mcasp_set_pdata_from_of()
1659 "tdm-slots must be in rage [2-32]\n"); in davinci_mcasp_set_pdata_from_of()
1660 ret = -EINVAL; in davinci_mcasp_set_pdata_from_of()
1664 pdata->tdm_slots = val; in davinci_mcasp_set_pdata_from_of()
1667 of_serial_dir32 = of_get_property(np, "serial-dir", &val); in davinci_mcasp_set_pdata_from_of()
1670 u8 *of_serial_dir = devm_kzalloc(&pdev->dev, in davinci_mcasp_set_pdata_from_of()
1674 ret = -ENOMEM; in davinci_mcasp_set_pdata_from_of()
1681 pdata->num_serializer = val; in davinci_mcasp_set_pdata_from_of()
1682 pdata->serial_dir = of_serial_dir; in davinci_mcasp_set_pdata_from_of()
1685 ret = of_property_match_string(np, "dma-names", "tx"); in davinci_mcasp_set_pdata_from_of()
1689 ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells", ret, in davinci_mcasp_set_pdata_from_of()
1694 pdata->tx_dma_channel = dma_spec.args[0]; in davinci_mcasp_set_pdata_from_of()
1697 if (pdata->op_mode != DAVINCI_MCASP_DIT_MODE) { in davinci_mcasp_set_pdata_from_of()
1698 ret = of_property_match_string(np, "dma-names", "rx"); in davinci_mcasp_set_pdata_from_of()
1702 ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells", ret, in davinci_mcasp_set_pdata_from_of()
1707 pdata->rx_dma_channel = dma_spec.args[0]; in davinci_mcasp_set_pdata_from_of()
1710 ret = of_property_read_u32(np, "tx-num-evt", &val); in davinci_mcasp_set_pdata_from_of()
1712 pdata->txnumevt = val; in davinci_mcasp_set_pdata_from_of()
1714 ret = of_property_read_u32(np, "rx-num-evt", &val); in davinci_mcasp_set_pdata_from_of()
1716 pdata->rxnumevt = val; in davinci_mcasp_set_pdata_from_of()
1718 ret = of_property_read_u32(np, "sram-size-playback", &val); in davinci_mcasp_set_pdata_from_of()
1720 pdata->sram_size_playback = val; in davinci_mcasp_set_pdata_from_of()
1722 ret = of_property_read_u32(np, "sram-size-capture", &val); in davinci_mcasp_set_pdata_from_of()
1724 pdata->sram_size_capture = val; in davinci_mcasp_set_pdata_from_of()
1730 dev_err(&pdev->dev, "Error populating platform data, err %d\n", in davinci_mcasp_set_pdata_from_of()
1749 if (!mcasp->dev->of_node) in davinci_mcasp_get_dma_type()
1752 tmp = mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data; in davinci_mcasp_get_dma_type()
1753 chan = dma_request_slave_channel_reason(mcasp->dev, tmp); in davinci_mcasp_get_dma_type()
1755 if (PTR_ERR(chan) != -EPROBE_DEFER) in davinci_mcasp_get_dma_type()
1756 dev_err(mcasp->dev, in davinci_mcasp_get_dma_type()
1761 if (WARN_ON(!chan->device || !chan->device->dev)) { in davinci_mcasp_get_dma_type()
1763 return -EINVAL; in davinci_mcasp_get_dma_type()
1766 if (chan->device->dev->of_node) in davinci_mcasp_get_dma_type()
1767 ret = of_property_read_string(chan->device->dev->of_node, in davinci_mcasp_get_dma_type()
1770 dev_dbg(mcasp->dev, "DMA controller has no of-node\n"); in davinci_mcasp_get_dma_type()
1776 dev_dbg(mcasp->dev, "DMA controller compatible = \"%s\"\n", tmp); in davinci_mcasp_get_dma_type()
1788 if (pdata->version != MCASP_VERSION_4) in davinci_mcasp_txdma_offset()
1789 return pdata->tx_dma_offset; in davinci_mcasp_txdma_offset()
1791 for (i = 0; i < pdata->num_serializer; i++) { in davinci_mcasp_txdma_offset()
1792 if (pdata->serial_dir[i] == TX_MODE) { in davinci_mcasp_txdma_offset()
1811 if (pdata->version != MCASP_VERSION_4) in davinci_mcasp_rxdma_offset()
1812 return pdata->rx_dma_offset; in davinci_mcasp_rxdma_offset()
1814 for (i = 0; i < pdata->num_serializer; i++) { in davinci_mcasp_rxdma_offset()
1815 if (pdata->serial_dir[i] == RX_MODE) { in davinci_mcasp_rxdma_offset()
1832 struct resource *mem, *res, *dat; in davinci_mcasp_probe() local
1840 if (!pdev->dev.platform_data && !pdev->dev.of_node) { in davinci_mcasp_probe()
1841 dev_err(&pdev->dev, "No platform data supplied\n"); in davinci_mcasp_probe()
1842 return -EINVAL; in davinci_mcasp_probe()
1845 mcasp = devm_kzalloc(&pdev->dev, sizeof(struct davinci_mcasp), in davinci_mcasp_probe()
1848 return -ENOMEM; in davinci_mcasp_probe()
1852 dev_err(&pdev->dev, "no platform data\n"); in davinci_mcasp_probe()
1853 return -EINVAL; in davinci_mcasp_probe()
1858 dev_warn(mcasp->dev, in davinci_mcasp_probe()
1862 dev_err(&pdev->dev, "no mem resource?\n"); in davinci_mcasp_probe()
1863 return -ENODEV; in davinci_mcasp_probe()
1867 mcasp->base = devm_ioremap_resource(&pdev->dev, mem); in davinci_mcasp_probe()
1868 if (IS_ERR(mcasp->base)) in davinci_mcasp_probe()
1869 return PTR_ERR(mcasp->base); in davinci_mcasp_probe()
1871 pm_runtime_enable(&pdev->dev); in davinci_mcasp_probe()
1873 mcasp->op_mode = pdata->op_mode; in davinci_mcasp_probe()
1875 if (mcasp->op_mode == DAVINCI_MCASP_IIS_MODE) { in davinci_mcasp_probe()
1876 if (pdata->tdm_slots < 2) { in davinci_mcasp_probe()
1877 dev_err(&pdev->dev, "invalid tdm slots: %d\n", in davinci_mcasp_probe()
1878 pdata->tdm_slots); in davinci_mcasp_probe()
1879 mcasp->tdm_slots = 2; in davinci_mcasp_probe()
1880 } else if (pdata->tdm_slots > 32) { in davinci_mcasp_probe()
1881 dev_err(&pdev->dev, "invalid tdm slots: %d\n", in davinci_mcasp_probe()
1882 pdata->tdm_slots); in davinci_mcasp_probe()
1883 mcasp->tdm_slots = 32; in davinci_mcasp_probe()
1885 mcasp->tdm_slots = pdata->tdm_slots; in davinci_mcasp_probe()
1889 mcasp->num_serializer = pdata->num_serializer; in davinci_mcasp_probe()
1891 mcasp->context.xrsr_regs = devm_kcalloc(&pdev->dev, in davinci_mcasp_probe()
1892 mcasp->num_serializer, sizeof(u32), in davinci_mcasp_probe()
1894 if (!mcasp->context.xrsr_regs) { in davinci_mcasp_probe()
1895 ret = -ENOMEM; in davinci_mcasp_probe()
1899 mcasp->serial_dir = pdata->serial_dir; in davinci_mcasp_probe()
1900 mcasp->version = pdata->version; in davinci_mcasp_probe()
1901 mcasp->txnumevt = pdata->txnumevt; in davinci_mcasp_probe()
1902 mcasp->rxnumevt = pdata->rxnumevt; in davinci_mcasp_probe()
1904 mcasp->dev = &pdev->dev; in davinci_mcasp_probe()
1908 irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common", in davinci_mcasp_probe()
1909 dev_name(&pdev->dev)); in davinci_mcasp_probe()
1911 ret = -ENOMEM; in davinci_mcasp_probe()
1914 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, in davinci_mcasp_probe()
1919 dev_err(&pdev->dev, "common IRQ request failed\n"); in davinci_mcasp_probe()
1923 mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK] = XUNDRN; in davinci_mcasp_probe()
1924 mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE] = ROVRN; in davinci_mcasp_probe()
1929 irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx", in davinci_mcasp_probe()
1930 dev_name(&pdev->dev)); in davinci_mcasp_probe()
1932 ret = -ENOMEM; in davinci_mcasp_probe()
1935 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, in davinci_mcasp_probe()
1939 dev_err(&pdev->dev, "RX IRQ request failed\n"); in davinci_mcasp_probe()
1943 mcasp->irq_request[SNDRV_PCM_STREAM_CAPTURE] = ROVRN; in davinci_mcasp_probe()
1948 irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_tx", in davinci_mcasp_probe()
1949 dev_name(&pdev->dev)); in davinci_mcasp_probe()
1951 ret = -ENOMEM; in davinci_mcasp_probe()
1954 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, in davinci_mcasp_probe()
1958 dev_err(&pdev->dev, "TX IRQ request failed\n"); in davinci_mcasp_probe()
1962 mcasp->irq_request[SNDRV_PCM_STREAM_PLAYBACK] = XUNDRN; in davinci_mcasp_probe()
1965 dat = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dat"); in davinci_mcasp_probe()
1966 if (dat) in davinci_mcasp_probe()
1967 mcasp->dat_port = true; in davinci_mcasp_probe()
1969 dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK]; in davinci_mcasp_probe()
1970 if (dat) in davinci_mcasp_probe()
1971 dma_data->addr = dat->start; in davinci_mcasp_probe()
1973 dma_data->addr = mem->start + davinci_mcasp_txdma_offset(pdata); in davinci_mcasp_probe()
1975 dma = &mcasp->dma_request[SNDRV_PCM_STREAM_PLAYBACK]; in davinci_mcasp_probe()
1978 *dma = res->start; in davinci_mcasp_probe()
1980 *dma = pdata->tx_dma_channel; in davinci_mcasp_probe()
1982 /* dmaengine filter data for DT and non-DT boot */ in davinci_mcasp_probe()
1983 if (pdev->dev.of_node) in davinci_mcasp_probe()
1984 dma_data->filter_data = "tx"; in davinci_mcasp_probe()
1986 dma_data->filter_data = dma; in davinci_mcasp_probe()
1989 if (mcasp->op_mode != DAVINCI_MCASP_DIT_MODE) { in davinci_mcasp_probe()
1990 dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_CAPTURE]; in davinci_mcasp_probe()
1991 if (dat) in davinci_mcasp_probe()
1992 dma_data->addr = dat->start; in davinci_mcasp_probe()
1994 dma_data->addr = in davinci_mcasp_probe()
1995 mem->start + davinci_mcasp_rxdma_offset(pdata); in davinci_mcasp_probe()
1997 dma = &mcasp->dma_request[SNDRV_PCM_STREAM_CAPTURE]; in davinci_mcasp_probe()
2000 *dma = res->start; in davinci_mcasp_probe()
2002 *dma = pdata->rx_dma_channel; in davinci_mcasp_probe()
2004 /* dmaengine filter data for DT and non-DT boot */ in davinci_mcasp_probe()
2005 if (pdev->dev.of_node) in davinci_mcasp_probe()
2006 dma_data->filter_data = "rx"; in davinci_mcasp_probe()
2008 dma_data->filter_data = dma; in davinci_mcasp_probe()
2011 if (mcasp->version < MCASP_VERSION_3) { in davinci_mcasp_probe()
2012 mcasp->fifo_base = DAVINCI_MCASP_V2_AFIFO_BASE; in davinci_mcasp_probe()
2013 /* dma_params->dma_addr is pointing to the data port address */ in davinci_mcasp_probe()
2014 mcasp->dat_port = true; in davinci_mcasp_probe()
2016 mcasp->fifo_base = DAVINCI_MCASP_V3_AFIFO_BASE; in davinci_mcasp_probe()
2026 mcasp->chconstr[SNDRV_PCM_STREAM_PLAYBACK].list = in davinci_mcasp_probe()
2027 devm_kcalloc(mcasp->dev, in davinci_mcasp_probe()
2028 32 + mcasp->num_serializer - 1, in davinci_mcasp_probe()
2032 mcasp->chconstr[SNDRV_PCM_STREAM_CAPTURE].list = in davinci_mcasp_probe()
2033 devm_kcalloc(mcasp->dev, in davinci_mcasp_probe()
2034 32 + mcasp->num_serializer - 1, in davinci_mcasp_probe()
2038 if (!mcasp->chconstr[SNDRV_PCM_STREAM_PLAYBACK].list || in davinci_mcasp_probe()
2039 !mcasp->chconstr[SNDRV_PCM_STREAM_CAPTURE].list) { in davinci_mcasp_probe()
2040 ret = -ENOMEM; in davinci_mcasp_probe()
2048 dev_set_drvdata(&pdev->dev, mcasp); in davinci_mcasp_probe()
2052 ret = devm_snd_soc_register_component(&pdev->dev, in davinci_mcasp_probe()
2054 &davinci_mcasp_dai[pdata->op_mode], 1); in davinci_mcasp_probe()
2065 ret = edma_pcm_platform_register(&pdev->dev); in davinci_mcasp_probe()
2067 dev_err(&pdev->dev, "Missing SND_EDMA_SOC\n"); in davinci_mcasp_probe()
2068 ret = -EINVAL; in davinci_mcasp_probe()
2076 ret = sdma_pcm_platform_register(&pdev->dev, NULL, NULL); in davinci_mcasp_probe()
2078 dev_err(&pdev->dev, "Missing SND_SDMA_SOC\n"); in davinci_mcasp_probe()
2079 ret = -EINVAL; in davinci_mcasp_probe()
2084 dev_err(&pdev->dev, "No DMA controller found (%d)\n", ret); in davinci_mcasp_probe()
2085 case -EPROBE_DEFER: in davinci_mcasp_probe()
2091 dev_err(&pdev->dev, "register PCM failed: %d\n", ret); in davinci_mcasp_probe()
2098 pm_runtime_disable(&pdev->dev); in davinci_mcasp_probe()
2104 pm_runtime_disable(&pdev->dev); in davinci_mcasp_remove()
2113 .name = "davinci-mcasp",