Lines Matching +full:i2s +full:- +full:regs
1 // SPDX-License-Identifier: GPL-2.0-only
2 // ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver
5 // Author: Sugar Zhang <sugar.zhang@rock-chips.com>
9 #include <linux/clk-provider.h>
23 #define DRV_NAME "rockchip-i2s-tdm"
92 clk_disable_unprepare(i2s_tdm->mclk_tx); in i2s_tdm_disable_unprepare_mclk()
93 clk_disable_unprepare(i2s_tdm->mclk_rx); in i2s_tdm_disable_unprepare_mclk()
97 * i2s_tdm_prepare_enable_mclk - prepare to enable all mclks, disable them on
110 ret = clk_prepare_enable(i2s_tdm->mclk_tx); in i2s_tdm_prepare_enable_mclk()
113 ret = clk_prepare_enable(i2s_tdm->mclk_rx); in i2s_tdm_prepare_enable_mclk()
120 clk_disable_unprepare(i2s_tdm->mclk_tx); in i2s_tdm_prepare_enable_mclk()
129 regcache_cache_only(i2s_tdm->regmap, true); in i2s_tdm_runtime_suspend()
132 clk_disable_unprepare(i2s_tdm->hclk); in i2s_tdm_runtime_suspend()
142 ret = clk_prepare_enable(i2s_tdm->hclk); in i2s_tdm_runtime_resume()
150 regcache_cache_only(i2s_tdm->regmap, false); in i2s_tdm_runtime_resume()
151 regcache_mark_dirty(i2s_tdm->regmap); in i2s_tdm_runtime_resume()
153 ret = regcache_sync(i2s_tdm->regmap); in i2s_tdm_runtime_resume()
162 clk_disable_unprepare(i2s_tdm->hclk); in i2s_tdm_runtime_resume()
178 /* This is technically race-y. in rockchip_snd_xfer_sync_reset()
196 reset_control_assert(i2s_tdm->tx_reset); in rockchip_snd_xfer_sync_reset()
197 reset_control_assert(i2s_tdm->rx_reset); in rockchip_snd_xfer_sync_reset()
199 reset_control_deassert(i2s_tdm->tx_reset); in rockchip_snd_xfer_sync_reset()
200 reset_control_deassert(i2s_tdm->rx_reset); in rockchip_snd_xfer_sync_reset()
234 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, xfer_mask, xfer_val); in rockchip_snd_xfer_clear()
236 regmap_update_bits(i2s_tdm->regmap, I2S_CLR, clr, clr); in rockchip_snd_xfer_clear()
238 regmap_read(i2s_tdm->regmap, I2S_CLR, &val); in rockchip_snd_xfer_clear()
242 regmap_read(i2s_tdm->regmap, I2S_CLR, &val); in rockchip_snd_xfer_clear()
243 retry--; in rockchip_snd_xfer_clear()
245 dev_warn(i2s_tdm->dev, "clear failed, reset %s%s\n", in rockchip_snd_xfer_clear()
250 rockchip_snd_reset(i2s_tdm->tx_reset); in rockchip_snd_xfer_clear()
252 rockchip_snd_reset(i2s_tdm->rx_reset); in rockchip_snd_xfer_clear()
289 spin_lock_irqsave(&i2s_tdm->lock, flags); in rockchip_snd_txrxctrl()
291 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_snd_txrxctrl()
292 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
294 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
296 if (++i2s_tdm->refcount == 1) { in rockchip_snd_txrxctrl()
298 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_txrxctrl()
305 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_snd_txrxctrl()
306 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
308 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
310 if (--i2s_tdm->refcount == 0) { in rockchip_snd_txrxctrl()
315 spin_unlock_irqrestore(&i2s_tdm->lock, flags); in rockchip_snd_txrxctrl()
321 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_snd_txctrl()
323 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_txctrl()
327 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_snd_txctrl()
336 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_snd_rxctrl()
338 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_rxctrl()
342 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_snd_rxctrl()
354 bool is_tdm = i2s_tdm->tdm_mode; in rockchip_i2s_tdm_set_fmt()
356 ret = pm_runtime_resume_and_get(cpu_dai->dev); in rockchip_i2s_tdm_set_fmt()
357 if (ret < 0 && ret != -EACCES) in rockchip_i2s_tdm_set_fmt()
364 i2s_tdm->is_master_mode = true; in rockchip_i2s_tdm_set_fmt()
368 i2s_tdm->is_master_mode = false; in rockchip_i2s_tdm_set_fmt()
371 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
375 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); in rockchip_i2s_tdm_set_fmt()
400 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
404 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); in rockchip_i2s_tdm_set_fmt()
428 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
433 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, txcr_val); in rockchip_i2s_tdm_set_fmt()
436 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, rxcr_val); in rockchip_i2s_tdm_set_fmt()
461 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
469 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, val); in rockchip_i2s_tdm_set_fmt()
470 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, val); in rockchip_i2s_tdm_set_fmt()
474 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, in rockchip_i2s_tdm_set_fmt()
476 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, in rockchip_i2s_tdm_set_fmt()
481 pm_runtime_put(cpu_dai->dev); in rockchip_i2s_tdm_set_fmt()
491 stream = SNDRV_PCM_STREAM_LAST - substream->stream; in rockchip_i2s_tdm_xfer_pause()
493 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_pause()
495 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_pause()
505 stream = SNDRV_PCM_STREAM_LAST - substream->stream; in rockchip_i2s_tdm_xfer_resume()
507 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_resume()
509 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_resume()
511 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_i2s_tdm_xfer_resume()
525 if (!i2s_tdm->io_multiplex) in rockchip_i2s_io_multiplex()
528 if (IS_ERR_OR_NULL(i2s_tdm->grf)) { in rockchip_i2s_io_multiplex()
529 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
531 return -EINVAL; in rockchip_i2s_io_multiplex()
534 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { in rockchip_i2s_io_multiplex()
536 &substream->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; in rockchip_i2s_io_multiplex()
538 if (playback_str->substream_opened) { in rockchip_i2s_io_multiplex()
539 regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); in rockchip_i2s_io_multiplex()
541 usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); in rockchip_i2s_io_multiplex()
544 regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); in rockchip_i2s_io_multiplex()
548 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
551 return -EINVAL; in rockchip_i2s_io_multiplex()
556 &substream->pcm->streams[SNDRV_PCM_STREAM_CAPTURE]; in rockchip_i2s_io_multiplex()
558 if (capture_str->substream_opened) { in rockchip_i2s_io_multiplex()
559 regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); in rockchip_i2s_io_multiplex()
561 usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); in rockchip_i2s_io_multiplex()
564 regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); in rockchip_i2s_io_multiplex()
568 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
571 return -EINVAL; in rockchip_i2s_io_multiplex()
575 val <<= i2s_tdm->soc_data->grf_shift; in rockchip_i2s_io_multiplex()
576 val |= (I2S_IO_DIRECTION_MASK << i2s_tdm->soc_data->grf_shift) << 16; in rockchip_i2s_io_multiplex()
577 regmap_write(i2s_tdm->grf, i2s_tdm->soc_data->grf_reg_offset, val); in rockchip_i2s_io_multiplex()
591 if (!i2s_tdm->clk_trcm) in rockchip_i2s_trcm_mode()
594 spin_lock_irqsave(&i2s_tdm->lock, flags); in rockchip_i2s_trcm_mode()
595 if (i2s_tdm->refcount) in rockchip_i2s_trcm_mode()
598 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_trcm_mode()
601 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_trcm_mode()
605 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_i2s_trcm_mode()
606 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_trcm_mode()
610 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_trcm_mode()
614 if (i2s_tdm->refcount) in rockchip_i2s_trcm_mode()
616 spin_unlock_irqrestore(&i2s_tdm->lock, flags); in rockchip_i2s_trcm_mode()
626 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_set_sysclk()
627 i2s_tdm->mclk_tx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
628 i2s_tdm->mclk_rx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
631 i2s_tdm->mclk_tx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
633 i2s_tdm->mclk_rx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
636 dev_dbg(i2s_tdm->dev, "The target mclk_%s freq is: %d\n", in rockchip_i2s_tdm_set_sysclk()
651 if (i2s_tdm->is_master_mode) { in rockchip_i2s_tdm_hw_params()
654 if (i2s_tdm->clk_trcm == TRCM_TX) { in rockchip_i2s_tdm_hw_params()
655 mclk = i2s_tdm->mclk_tx; in rockchip_i2s_tdm_hw_params()
656 mclk_rate = i2s_tdm->mclk_tx_freq; in rockchip_i2s_tdm_hw_params()
657 } else if (i2s_tdm->clk_trcm == TRCM_RX) { in rockchip_i2s_tdm_hw_params()
658 mclk = i2s_tdm->mclk_rx; in rockchip_i2s_tdm_hw_params()
659 mclk_rate = i2s_tdm->mclk_rx_freq; in rockchip_i2s_tdm_hw_params()
660 } else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in rockchip_i2s_tdm_hw_params()
661 mclk = i2s_tdm->mclk_tx; in rockchip_i2s_tdm_hw_params()
662 mclk_rate = i2s_tdm->mclk_tx_freq; in rockchip_i2s_tdm_hw_params()
664 mclk = i2s_tdm->mclk_rx; in rockchip_i2s_tdm_hw_params()
665 mclk_rate = i2s_tdm->mclk_rx_freq; in rockchip_i2s_tdm_hw_params()
673 bclk_rate = i2s_tdm->frame_width * params_rate(params); in rockchip_i2s_tdm_hw_params()
675 return -EINVAL; in rockchip_i2s_tdm_hw_params()
698 return -EINVAL; in rockchip_i2s_tdm_hw_params()
715 return -EINVAL; in rockchip_i2s_tdm_hw_params()
718 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_hw_params()
720 } else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in rockchip_i2s_tdm_hw_params()
721 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_tdm_hw_params()
724 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_tdm_hw_params()
727 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_tdm_hw_params()
731 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_tdm_hw_params()
734 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_tdm_hw_params()
737 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_tdm_hw_params()
754 if (i2s_tdm->clk_trcm) in rockchip_i2s_tdm_trigger()
756 else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_tdm_trigger()
764 if (i2s_tdm->clk_trcm) in rockchip_i2s_tdm_trigger()
766 else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_tdm_trigger()
772 return -EINVAL; in rockchip_i2s_tdm_trigger()
782 if (i2s_tdm->has_capture) in rockchip_i2s_tdm_dai_probe()
783 snd_soc_dai_dma_data_set_capture(dai, &i2s_tdm->capture_dma_data); in rockchip_i2s_tdm_dai_probe()
784 if (i2s_tdm->has_playback) in rockchip_i2s_tdm_dai_probe()
785 snd_soc_dai_dma_data_set_playback(dai, &i2s_tdm->playback_dma_data); in rockchip_i2s_tdm_dai_probe()
797 i2s_tdm->tdm_mode = true; in rockchip_dai_tdm_slot()
798 i2s_tdm->frame_width = slots * slot_width; in rockchip_dai_tdm_slot()
802 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, in rockchip_dai_tdm_slot()
804 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, in rockchip_dai_tdm_slot()
816 return -EINVAL; in rockchip_i2s_tdm_set_bclk_ratio()
818 i2s_tdm->frame_width = ratio; in rockchip_i2s_tdm_set_bclk_ratio()
932 const struct txrx_config *configs = i2s_tdm->soc_data->configs; in common_soc_init()
933 u32 reg = 0, val = 0, trcm = i2s_tdm->clk_trcm; in common_soc_init()
939 if (IS_ERR_OR_NULL(i2s_tdm->grf)) { in common_soc_init()
940 dev_err(i2s_tdm->dev, in common_soc_init()
941 "no grf present but non-txrx TRCM specified\n"); in common_soc_init()
942 return -EINVAL; in common_soc_init()
945 for (i = 0; i < i2s_tdm->soc_data->config_count; i++) { in common_soc_init()
955 regmap_write(i2s_tdm->grf, reg, val); in common_soc_init()
1025 { .compatible = "rockchip,px30-i2s-tdm", .data = &px30_i2s_soc_data },
1026 { .compatible = "rockchip,rk1808-i2s-tdm", .data = &rk1808_i2s_soc_data },
1027 { .compatible = "rockchip,rk3308-i2s-tdm", .data = &rk3308_i2s_soc_data },
1028 { .compatible = "rockchip,rk3568-i2s-tdm", .data = &rk3568_i2s_soc_data },
1029 { .compatible = "rockchip,rk3588-i2s-tdm" },
1030 { .compatible = "rockchip,rv1126-i2s-tdm", .data = &rv1126_i2s_soc_data },
1046 struct device_node *node = i2s_tdm->dev->of_node; in rockchip_i2s_tdm_init_dai()
1048 of_property_for_each_string(node, "dma-names", dma_names, dma_name) { in rockchip_i2s_tdm_init_dai()
1050 i2s_tdm->has_playback = true; in rockchip_i2s_tdm_init_dai()
1052 i2s_tdm->has_capture = true; in rockchip_i2s_tdm_init_dai()
1055 dai = devm_kmemdup(i2s_tdm->dev, &i2s_tdm_dai, in rockchip_i2s_tdm_init_dai()
1058 return -ENOMEM; in rockchip_i2s_tdm_init_dai()
1060 if (i2s_tdm->has_playback) { in rockchip_i2s_tdm_init_dai()
1061 dai->playback.stream_name = "Playback"; in rockchip_i2s_tdm_init_dai()
1062 dai->playback.channels_min = 2; in rockchip_i2s_tdm_init_dai()
1063 dai->playback.channels_max = 8; in rockchip_i2s_tdm_init_dai()
1064 dai->playback.rates = SNDRV_PCM_RATE_8000_192000; in rockchip_i2s_tdm_init_dai()
1065 dai->playback.formats = formats; in rockchip_i2s_tdm_init_dai()
1068 if (i2s_tdm->has_capture) { in rockchip_i2s_tdm_init_dai()
1069 dai->capture.stream_name = "Capture"; in rockchip_i2s_tdm_init_dai()
1070 dai->capture.channels_min = 2; in rockchip_i2s_tdm_init_dai()
1071 dai->capture.channels_max = 8; in rockchip_i2s_tdm_init_dai()
1072 dai->capture.rates = SNDRV_PCM_RATE_8000_192000; in rockchip_i2s_tdm_init_dai()
1073 dai->capture.formats = formats; in rockchip_i2s_tdm_init_dai()
1076 if (i2s_tdm->clk_trcm != TRCM_TXRX) in rockchip_i2s_tdm_init_dai()
1077 dai->symmetric_rate = 1; in rockchip_i2s_tdm_init_dai()
1079 i2s_tdm->dai = dai; in rockchip_i2s_tdm_init_dai()
1092 i2s_data = i2s_tdm->i2s_sdis; in rockchip_i2s_tdm_path_check()
1094 i2s_data = i2s_tdm->i2s_sdos; in rockchip_i2s_tdm_path_check()
1097 if (i2s_data[i] > CH_GRP_MAX - 1) { in rockchip_i2s_tdm_path_check()
1098 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_check()
1102 return -EINVAL; in rockchip_i2s_tdm_path_check()
1110 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_check()
1115 return -EINVAL; in rockchip_i2s_tdm_path_check()
1129 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_tdm_tx_path_config()
1131 I2S_TXCR_PATH(idx, i2s_tdm->i2s_sdos[idx])); in rockchip_i2s_tdm_tx_path_config()
1141 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_tdm_rx_path_config()
1143 I2S_RXCR_PATH(idx, i2s_tdm->i2s_sdis[idx])); in rockchip_i2s_tdm_rx_path_config()
1160 char *i2s_tx_path_prop = "rockchip,i2s-tx-route"; in rockchip_i2s_tdm_path_prepare()
1161 char *i2s_rx_path_prop = "rockchip,i2s-rx-route"; in rockchip_i2s_tdm_path_prepare()
1168 i2s_data = i2s_tdm->i2s_sdis; in rockchip_i2s_tdm_path_prepare()
1171 i2s_data = i2s_tdm->i2s_sdos; in rockchip_i2s_tdm_path_prepare()
1176 if (num != -ENOENT) { in rockchip_i2s_tdm_path_prepare()
1177 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1184 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1186 return -EINVAL; in rockchip_i2s_tdm_path_prepare()
1192 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1200 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1201 "Failed to check i2s data bus: %d\n", ret); in rockchip_i2s_tdm_path_prepare()
1224 struct device_node *node = pdev->dev.of_node; in rockchip_i2s_tdm_probe()
1227 void __iomem *regs; in rockchip_i2s_tdm_probe() local
1230 i2s_tdm = devm_kzalloc(&pdev->dev, sizeof(*i2s_tdm), GFP_KERNEL); in rockchip_i2s_tdm_probe()
1232 return -ENOMEM; in rockchip_i2s_tdm_probe()
1234 i2s_tdm->dev = &pdev->dev; in rockchip_i2s_tdm_probe()
1236 spin_lock_init(&i2s_tdm->lock); in rockchip_i2s_tdm_probe()
1237 i2s_tdm->soc_data = device_get_match_data(&pdev->dev); in rockchip_i2s_tdm_probe()
1238 i2s_tdm->frame_width = 64; in rockchip_i2s_tdm_probe()
1240 i2s_tdm->clk_trcm = TRCM_TXRX; in rockchip_i2s_tdm_probe()
1241 if (of_property_read_bool(node, "rockchip,trcm-sync-tx-only")) in rockchip_i2s_tdm_probe()
1242 i2s_tdm->clk_trcm = TRCM_TX; in rockchip_i2s_tdm_probe()
1243 if (of_property_read_bool(node, "rockchip,trcm-sync-rx-only")) { in rockchip_i2s_tdm_probe()
1244 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_probe()
1245 dev_err(i2s_tdm->dev, "invalid trcm-sync configuration\n"); in rockchip_i2s_tdm_probe()
1246 return -EINVAL; in rockchip_i2s_tdm_probe()
1248 i2s_tdm->clk_trcm = TRCM_RX; in rockchip_i2s_tdm_probe()
1255 i2s_tdm->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf"); in rockchip_i2s_tdm_probe()
1256 i2s_tdm->tx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, in rockchip_i2s_tdm_probe()
1257 "tx-m"); in rockchip_i2s_tdm_probe()
1258 if (IS_ERR(i2s_tdm->tx_reset)) { in rockchip_i2s_tdm_probe()
1259 ret = PTR_ERR(i2s_tdm->tx_reset); in rockchip_i2s_tdm_probe()
1260 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1261 "Error in tx-m reset control\n"); in rockchip_i2s_tdm_probe()
1264 i2s_tdm->rx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, in rockchip_i2s_tdm_probe()
1265 "rx-m"); in rockchip_i2s_tdm_probe()
1266 if (IS_ERR(i2s_tdm->rx_reset)) { in rockchip_i2s_tdm_probe()
1267 ret = PTR_ERR(i2s_tdm->rx_reset); in rockchip_i2s_tdm_probe()
1268 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1269 "Error in rx-m reset control\n"); in rockchip_i2s_tdm_probe()
1272 i2s_tdm->hclk = devm_clk_get(&pdev->dev, "hclk"); in rockchip_i2s_tdm_probe()
1273 if (IS_ERR(i2s_tdm->hclk)) { in rockchip_i2s_tdm_probe()
1274 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->hclk), in rockchip_i2s_tdm_probe()
1278 i2s_tdm->mclk_tx = devm_clk_get(&pdev->dev, "mclk_tx"); in rockchip_i2s_tdm_probe()
1279 if (IS_ERR(i2s_tdm->mclk_tx)) { in rockchip_i2s_tdm_probe()
1280 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_tx), in rockchip_i2s_tdm_probe()
1284 i2s_tdm->mclk_rx = devm_clk_get(&pdev->dev, "mclk_rx"); in rockchip_i2s_tdm_probe()
1285 if (IS_ERR(i2s_tdm->mclk_rx)) { in rockchip_i2s_tdm_probe()
1286 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_rx), in rockchip_i2s_tdm_probe()
1290 i2s_tdm->io_multiplex = in rockchip_i2s_tdm_probe()
1291 of_property_read_bool(node, "rockchip,io-multiplex"); in rockchip_i2s_tdm_probe()
1293 regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in rockchip_i2s_tdm_probe()
1294 if (IS_ERR(regs)) { in rockchip_i2s_tdm_probe()
1295 return dev_err_probe(i2s_tdm->dev, PTR_ERR(regs), in rockchip_i2s_tdm_probe()
1299 i2s_tdm->regmap = devm_regmap_init_mmio(&pdev->dev, regs, in rockchip_i2s_tdm_probe()
1301 if (IS_ERR(i2s_tdm->regmap)) { in rockchip_i2s_tdm_probe()
1302 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->regmap), in rockchip_i2s_tdm_probe()
1306 if (i2s_tdm->has_playback) { in rockchip_i2s_tdm_probe()
1307 i2s_tdm->playback_dma_data.addr = res->start + I2S_TXDR; in rockchip_i2s_tdm_probe()
1308 i2s_tdm->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_tdm_probe()
1309 i2s_tdm->playback_dma_data.maxburst = 8; in rockchip_i2s_tdm_probe()
1312 if (i2s_tdm->has_capture) { in rockchip_i2s_tdm_probe()
1313 i2s_tdm->capture_dma_data.addr = res->start + I2S_RXDR; in rockchip_i2s_tdm_probe()
1314 i2s_tdm->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_tdm_probe()
1315 i2s_tdm->capture_dma_data.maxburst = 8; in rockchip_i2s_tdm_probe()
1320 dev_err(&pdev->dev, "I2S TX path prepare failed: %d\n", ret); in rockchip_i2s_tdm_probe()
1326 dev_err(&pdev->dev, "I2S RX path prepare failed: %d\n", ret); in rockchip_i2s_tdm_probe()
1330 dev_set_drvdata(&pdev->dev, i2s_tdm); in rockchip_i2s_tdm_probe()
1332 ret = clk_prepare_enable(i2s_tdm->hclk); in rockchip_i2s_tdm_probe()
1334 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1340 ret = dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1345 pm_runtime_enable(&pdev->dev); in rockchip_i2s_tdm_probe()
1347 regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, in rockchip_i2s_tdm_probe()
1349 regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, in rockchip_i2s_tdm_probe()
1351 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, I2S_CKR_TRCM_MASK, in rockchip_i2s_tdm_probe()
1352 i2s_tdm->clk_trcm << I2S_CKR_TRCM_SHIFT); in rockchip_i2s_tdm_probe()
1354 if (i2s_tdm->soc_data && i2s_tdm->soc_data->init) in rockchip_i2s_tdm_probe()
1355 i2s_tdm->soc_data->init(&pdev->dev, res->start); in rockchip_i2s_tdm_probe()
1357 ret = devm_snd_soc_register_component(&pdev->dev, in rockchip_i2s_tdm_probe()
1359 i2s_tdm->dai, 1); in rockchip_i2s_tdm_probe()
1362 dev_err(&pdev->dev, "Could not register DAI\n"); in rockchip_i2s_tdm_probe()
1366 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); in rockchip_i2s_tdm_probe()
1368 dev_err(&pdev->dev, "Could not register PCM\n"); in rockchip_i2s_tdm_probe()
1375 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_tdm_probe()
1376 i2s_tdm_runtime_suspend(&pdev->dev); in rockchip_i2s_tdm_probe()
1377 pm_runtime_disable(&pdev->dev); in rockchip_i2s_tdm_probe()
1380 clk_disable_unprepare(i2s_tdm->hclk); in rockchip_i2s_tdm_probe()
1387 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_tdm_remove()
1388 i2s_tdm_runtime_suspend(&pdev->dev); in rockchip_i2s_tdm_remove()
1390 pm_runtime_disable(&pdev->dev); in rockchip_i2s_tdm_remove()
1397 regcache_mark_dirty(i2s_tdm->regmap); in rockchip_i2s_tdm_suspend()
1410 ret = regcache_sync(i2s_tdm->regmap); in rockchip_i2s_tdm_resume()
1434 MODULE_DESCRIPTION("ROCKCHIP I2S/TDM ASoC Interface");
1435 MODULE_AUTHOR("Sugar Zhang <sugar.zhang@rock-chips.com>");