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"
28 #define CLK_PPM_MIN -1000
115 clk_disable_unprepare(i2s_tdm->mclk_tx); in i2s_tdm_disable_unprepare_mclk()
116 clk_disable_unprepare(i2s_tdm->mclk_rx); in i2s_tdm_disable_unprepare_mclk()
117 if (i2s_tdm->mclk_calibrate) { in i2s_tdm_disable_unprepare_mclk()
118 clk_disable_unprepare(i2s_tdm->mclk_tx_src); in i2s_tdm_disable_unprepare_mclk()
119 clk_disable_unprepare(i2s_tdm->mclk_rx_src); in i2s_tdm_disable_unprepare_mclk()
120 clk_disable_unprepare(i2s_tdm->mclk_root0); in i2s_tdm_disable_unprepare_mclk()
121 clk_disable_unprepare(i2s_tdm->mclk_root1); in i2s_tdm_disable_unprepare_mclk()
126 * i2s_tdm_prepare_enable_mclk - prepare to enable all mclks, disable them on
139 ret = clk_prepare_enable(i2s_tdm->mclk_tx); in i2s_tdm_prepare_enable_mclk()
142 ret = clk_prepare_enable(i2s_tdm->mclk_rx); in i2s_tdm_prepare_enable_mclk()
145 if (i2s_tdm->mclk_calibrate) { in i2s_tdm_prepare_enable_mclk()
146 ret = clk_prepare_enable(i2s_tdm->mclk_tx_src); in i2s_tdm_prepare_enable_mclk()
149 ret = clk_prepare_enable(i2s_tdm->mclk_rx_src); in i2s_tdm_prepare_enable_mclk()
152 ret = clk_prepare_enable(i2s_tdm->mclk_root0); in i2s_tdm_prepare_enable_mclk()
155 ret = clk_prepare_enable(i2s_tdm->mclk_root1); in i2s_tdm_prepare_enable_mclk()
163 clk_disable_unprepare(i2s_tdm->mclk_root0); in i2s_tdm_prepare_enable_mclk()
165 clk_disable_unprepare(i2s_tdm->mclk_rx_src); in i2s_tdm_prepare_enable_mclk()
167 clk_disable_unprepare(i2s_tdm->mclk_tx_src); in i2s_tdm_prepare_enable_mclk()
169 clk_disable_unprepare(i2s_tdm->mclk_tx); in i2s_tdm_prepare_enable_mclk()
178 regcache_cache_only(i2s_tdm->regmap, true); in i2s_tdm_runtime_suspend()
181 clk_disable_unprepare(i2s_tdm->hclk); in i2s_tdm_runtime_suspend()
191 ret = clk_prepare_enable(i2s_tdm->hclk); in i2s_tdm_runtime_resume()
199 regcache_cache_only(i2s_tdm->regmap, false); in i2s_tdm_runtime_resume()
200 regcache_mark_dirty(i2s_tdm->regmap); in i2s_tdm_runtime_resume()
202 ret = regcache_sync(i2s_tdm->regmap); in i2s_tdm_runtime_resume()
211 clk_disable_unprepare(i2s_tdm->hclk); in i2s_tdm_runtime_resume()
227 /* This is technically race-y. in rockchip_snd_xfer_sync_reset()
245 reset_control_assert(i2s_tdm->tx_reset); in rockchip_snd_xfer_sync_reset()
246 reset_control_assert(i2s_tdm->rx_reset); in rockchip_snd_xfer_sync_reset()
248 reset_control_deassert(i2s_tdm->tx_reset); in rockchip_snd_xfer_sync_reset()
249 reset_control_deassert(i2s_tdm->rx_reset); in rockchip_snd_xfer_sync_reset()
283 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, xfer_mask, xfer_val); in rockchip_snd_xfer_clear()
285 regmap_update_bits(i2s_tdm->regmap, I2S_CLR, clr, clr); in rockchip_snd_xfer_clear()
287 regmap_read(i2s_tdm->regmap, I2S_CLR, &val); in rockchip_snd_xfer_clear()
291 regmap_read(i2s_tdm->regmap, I2S_CLR, &val); in rockchip_snd_xfer_clear()
292 retry--; in rockchip_snd_xfer_clear()
294 dev_warn(i2s_tdm->dev, "clear failed, reset %s%s\n", in rockchip_snd_xfer_clear()
299 rockchip_snd_reset(i2s_tdm->tx_reset); in rockchip_snd_xfer_clear()
301 rockchip_snd_reset(i2s_tdm->rx_reset); in rockchip_snd_xfer_clear()
338 spin_lock_irqsave(&i2s_tdm->lock, flags); in rockchip_snd_txrxctrl()
340 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_snd_txrxctrl()
341 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
343 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
345 if (++i2s_tdm->refcount == 1) { in rockchip_snd_txrxctrl()
347 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_txrxctrl()
354 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_snd_txrxctrl()
355 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
357 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_snd_txrxctrl()
359 if (--i2s_tdm->refcount == 0) { in rockchip_snd_txrxctrl()
364 spin_unlock_irqrestore(&i2s_tdm->lock, flags); in rockchip_snd_txrxctrl()
370 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_snd_txctrl()
372 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_txctrl()
376 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_snd_txctrl()
385 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_snd_rxctrl()
387 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_snd_rxctrl()
391 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_snd_rxctrl()
403 bool is_tdm = i2s_tdm->tdm_mode; in rockchip_i2s_tdm_set_fmt()
405 ret = pm_runtime_resume_and_get(cpu_dai->dev); in rockchip_i2s_tdm_set_fmt()
406 if (ret < 0 && ret != -EACCES) in rockchip_i2s_tdm_set_fmt()
413 i2s_tdm->is_master_mode = true; in rockchip_i2s_tdm_set_fmt()
417 i2s_tdm->is_master_mode = false; in rockchip_i2s_tdm_set_fmt()
420 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
424 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); in rockchip_i2s_tdm_set_fmt()
449 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
453 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val); in rockchip_i2s_tdm_set_fmt()
477 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
482 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, txcr_val); in rockchip_i2s_tdm_set_fmt()
485 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, rxcr_val); in rockchip_i2s_tdm_set_fmt()
510 ret = -EINVAL; in rockchip_i2s_tdm_set_fmt()
518 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, mask, val); in rockchip_i2s_tdm_set_fmt()
519 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, mask, val); in rockchip_i2s_tdm_set_fmt()
523 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, in rockchip_i2s_tdm_set_fmt()
525 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, in rockchip_i2s_tdm_set_fmt()
530 pm_runtime_put(cpu_dai->dev); in rockchip_i2s_tdm_set_fmt()
540 stream = SNDRV_PCM_STREAM_LAST - substream->stream; in rockchip_i2s_tdm_xfer_pause()
542 rockchip_disable_tde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_pause()
544 rockchip_disable_rde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_pause()
554 stream = SNDRV_PCM_STREAM_LAST - substream->stream; in rockchip_i2s_tdm_xfer_resume()
556 rockchip_enable_tde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_resume()
558 rockchip_enable_rde(i2s_tdm->regmap); in rockchip_i2s_tdm_xfer_resume()
560 regmap_update_bits(i2s_tdm->regmap, I2S_XFER, in rockchip_i2s_tdm_xfer_resume()
574 if (ppm == i2s_tdm->clk_ppm) in rockchip_i2s_tdm_clk_set_rate()
578 delta = -1; in rockchip_i2s_tdm_clk_set_rate()
588 return -EINVAL; in rockchip_i2s_tdm_clk_set_rate()
594 i2s_tdm->clk_ppm = ppm; in rockchip_i2s_tdm_clk_set_rate()
612 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_i2s_tdm_calibrate_mclk()
613 mclk_parent = i2s_tdm->mclk_tx_src; in rockchip_i2s_tdm_calibrate_mclk()
615 mclk_parent = i2s_tdm->mclk_rx_src; in rockchip_i2s_tdm_calibrate_mclk()
626 mclk_root = i2s_tdm->mclk_root0; in rockchip_i2s_tdm_calibrate_mclk()
627 mclk_root_freq = i2s_tdm->mclk_root0_freq; in rockchip_i2s_tdm_calibrate_mclk()
628 mclk_root_initial_freq = i2s_tdm->mclk_root0_initial_freq; in rockchip_i2s_tdm_calibrate_mclk()
636 mclk_root = i2s_tdm->mclk_root1; in rockchip_i2s_tdm_calibrate_mclk()
637 mclk_root_freq = i2s_tdm->mclk_root1_freq; in rockchip_i2s_tdm_calibrate_mclk()
638 mclk_root_initial_freq = i2s_tdm->mclk_root1_initial_freq; in rockchip_i2s_tdm_calibrate_mclk()
642 dev_err(i2s_tdm->dev, "Invalid LRCK frequency: %u Hz\n", in rockchip_i2s_tdm_calibrate_mclk()
644 return -EINVAL; in rockchip_i2s_tdm_calibrate_mclk()
656 delta = abs(mclk_root_freq % mclk_parent_freq - mclk_parent_freq); in rockchip_i2s_tdm_calibrate_mclk()
662 return -EINVAL; in rockchip_i2s_tdm_calibrate_mclk()
670 i2s_tdm->mclk_root0_freq = clk_get_rate(i2s_tdm->mclk_root0); in rockchip_i2s_tdm_calibrate_mclk()
671 i2s_tdm->mclk_root1_freq = clk_get_rate(i2s_tdm->mclk_root1); in rockchip_i2s_tdm_calibrate_mclk()
684 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_set_mclk()
685 if (i2s_tdm->mclk_tx_freq != i2s_tdm->mclk_rx_freq) { in rockchip_i2s_tdm_set_mclk()
686 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_set_mclk()
688 i2s_tdm->mclk_tx_freq, in rockchip_i2s_tdm_set_mclk()
689 i2s_tdm->mclk_rx_freq); in rockchip_i2s_tdm_set_mclk()
690 return -EINVAL; in rockchip_i2s_tdm_set_mclk()
693 ret = clk_set_rate(i2s_tdm->mclk_tx, i2s_tdm->mclk_tx_freq); in rockchip_i2s_tdm_set_mclk()
697 ret = clk_set_rate(i2s_tdm->mclk_rx, i2s_tdm->mclk_rx_freq); in rockchip_i2s_tdm_set_mclk()
702 *mclk = i2s_tdm->mclk_tx; in rockchip_i2s_tdm_set_mclk()
704 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in rockchip_i2s_tdm_set_mclk()
705 *mclk = i2s_tdm->mclk_tx; in rockchip_i2s_tdm_set_mclk()
706 mclk_freq = i2s_tdm->mclk_tx_freq; in rockchip_i2s_tdm_set_mclk()
708 *mclk = i2s_tdm->mclk_rx; in rockchip_i2s_tdm_set_mclk()
709 mclk_freq = i2s_tdm->mclk_rx_freq; in rockchip_i2s_tdm_set_mclk()
754 if (!i2s_tdm->io_multiplex) in rockchip_i2s_io_multiplex()
757 if (IS_ERR_OR_NULL(i2s_tdm->grf)) { in rockchip_i2s_io_multiplex()
758 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
760 return -EINVAL; in rockchip_i2s_io_multiplex()
763 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { in rockchip_i2s_io_multiplex()
765 &substream->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; in rockchip_i2s_io_multiplex()
767 if (playback_str->substream_opened) { in rockchip_i2s_io_multiplex()
768 regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); in rockchip_i2s_io_multiplex()
770 usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); in rockchip_i2s_io_multiplex()
773 regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); in rockchip_i2s_io_multiplex()
777 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
780 return -EINVAL; in rockchip_i2s_io_multiplex()
786 &substream->pcm->streams[SNDRV_PCM_STREAM_CAPTURE]; in rockchip_i2s_io_multiplex()
788 if (capture_str->substream_opened) { in rockchip_i2s_io_multiplex()
789 regmap_read(i2s_tdm->regmap, I2S_RXCR, &val); in rockchip_i2s_io_multiplex()
791 usable_chs = MULTIPLEX_CH_MAX - to_ch_num(val); in rockchip_i2s_io_multiplex()
794 regmap_read(i2s_tdm->regmap, I2S_TXCR, &val); in rockchip_i2s_io_multiplex()
798 dev_err(i2s_tdm->dev, in rockchip_i2s_io_multiplex()
801 return -EINVAL; in rockchip_i2s_io_multiplex()
805 val <<= i2s_tdm->soc_data->grf_shift; in rockchip_i2s_io_multiplex()
806 val |= (I2S_IO_DIRECTION_MASK << i2s_tdm->soc_data->grf_shift) << 16; in rockchip_i2s_io_multiplex()
807 regmap_write(i2s_tdm->grf, i2s_tdm->soc_data->grf_reg_offset, val); in rockchip_i2s_io_multiplex()
821 if (!i2s_tdm->clk_trcm) in rockchip_i2s_trcm_mode()
824 spin_lock_irqsave(&i2s_tdm->lock, flags); in rockchip_i2s_trcm_mode()
825 if (i2s_tdm->refcount) in rockchip_i2s_trcm_mode()
828 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_trcm_mode()
831 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_trcm_mode()
835 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in rockchip_i2s_trcm_mode()
836 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_trcm_mode()
840 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_trcm_mode()
844 if (i2s_tdm->refcount) in rockchip_i2s_trcm_mode()
846 spin_unlock_irqrestore(&i2s_tdm->lock, flags); in rockchip_i2s_trcm_mode()
861 if (i2s_tdm->is_master_mode) { in rockchip_i2s_tdm_hw_params()
862 if (i2s_tdm->mclk_calibrate) in rockchip_i2s_tdm_hw_params()
871 bclk_rate = i2s_tdm->frame_width * params_rate(params); in rockchip_i2s_tdm_hw_params()
873 return -EINVAL; in rockchip_i2s_tdm_hw_params()
896 return -EINVAL; in rockchip_i2s_tdm_hw_params()
913 return -EINVAL; in rockchip_i2s_tdm_hw_params()
916 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_hw_params()
918 } else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in rockchip_i2s_tdm_hw_params()
919 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_tdm_hw_params()
922 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_tdm_hw_params()
925 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_tdm_hw_params()
929 regmap_update_bits(i2s_tdm->regmap, I2S_CLKDIV, in rockchip_i2s_tdm_hw_params()
932 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, in rockchip_i2s_tdm_hw_params()
935 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_tdm_hw_params()
952 if (i2s_tdm->clk_trcm) in rockchip_i2s_tdm_trigger()
954 else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_tdm_trigger()
962 if (i2s_tdm->clk_trcm) in rockchip_i2s_tdm_trigger()
964 else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in rockchip_i2s_tdm_trigger()
970 return -EINVAL; in rockchip_i2s_tdm_trigger()
982 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_set_sysclk()
983 i2s_tdm->mclk_tx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
984 i2s_tdm->mclk_rx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
987 i2s_tdm->mclk_tx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
989 i2s_tdm->mclk_rx_freq = freq; in rockchip_i2s_tdm_set_sysclk()
992 dev_dbg(i2s_tdm->dev, "The target mclk_%s freq is: %d\n", in rockchip_i2s_tdm_set_sysclk()
1001 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in rockchip_i2s_tdm_clk_compensation_info()
1002 uinfo->count = 1; in rockchip_i2s_tdm_clk_compensation_info()
1003 uinfo->value.integer.min = CLK_PPM_MIN; in rockchip_i2s_tdm_clk_compensation_info()
1004 uinfo->value.integer.max = CLK_PPM_MAX; in rockchip_i2s_tdm_clk_compensation_info()
1005 uinfo->value.integer.step = 1; in rockchip_i2s_tdm_clk_compensation_info()
1016 ucontrol->value.integer.value[0] = i2s_tdm->clk_ppm; in rockchip_i2s_tdm_clk_compensation_get()
1030 if (ucontrol->value.integer.value[0] < CLK_PPM_MIN || in rockchip_i2s_tdm_clk_compensation_put()
1031 ucontrol->value.integer.value[0] > CLK_PPM_MAX) in rockchip_i2s_tdm_clk_compensation_put()
1032 return -EINVAL; in rockchip_i2s_tdm_clk_compensation_put()
1034 ppm = ucontrol->value.integer.value[0]; in rockchip_i2s_tdm_clk_compensation_put()
1036 old_rate = clk_get_rate(i2s_tdm->mclk_root0); in rockchip_i2s_tdm_clk_compensation_put()
1037 ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root0, in rockchip_i2s_tdm_clk_compensation_put()
1038 i2s_tdm->mclk_root0_freq, ppm); in rockchip_i2s_tdm_clk_compensation_put()
1041 if (old_rate != clk_get_rate(i2s_tdm->mclk_root0)) in rockchip_i2s_tdm_clk_compensation_put()
1044 if (clk_is_match(i2s_tdm->mclk_root0, i2s_tdm->mclk_root1)) in rockchip_i2s_tdm_clk_compensation_put()
1047 old_rate = clk_get_rate(i2s_tdm->mclk_root1); in rockchip_i2s_tdm_clk_compensation_put()
1048 ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root1, in rockchip_i2s_tdm_clk_compensation_put()
1049 i2s_tdm->mclk_root1_freq, ppm); in rockchip_i2s_tdm_clk_compensation_put()
1052 if (old_rate != clk_get_rate(i2s_tdm->mclk_root1)) in rockchip_i2s_tdm_clk_compensation_put()
1070 if (i2s_tdm->has_capture) in rockchip_i2s_tdm_dai_probe()
1071 snd_soc_dai_dma_data_set_capture(dai, &i2s_tdm->capture_dma_data); in rockchip_i2s_tdm_dai_probe()
1072 if (i2s_tdm->has_playback) in rockchip_i2s_tdm_dai_probe()
1073 snd_soc_dai_dma_data_set_playback(dai, &i2s_tdm->playback_dma_data); in rockchip_i2s_tdm_dai_probe()
1075 if (i2s_tdm->mclk_calibrate) in rockchip_i2s_tdm_dai_probe()
1088 i2s_tdm->tdm_mode = true; in rockchip_dai_tdm_slot()
1089 i2s_tdm->frame_width = slots * slot_width; in rockchip_dai_tdm_slot()
1093 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_TXCR, in rockchip_dai_tdm_slot()
1095 regmap_update_bits(i2s_tdm->regmap, I2S_TDM_RXCR, in rockchip_dai_tdm_slot()
1107 return -EINVAL; in rockchip_i2s_tdm_set_bclk_ratio()
1109 i2s_tdm->frame_width = ratio; in rockchip_i2s_tdm_set_bclk_ratio()
1223 const struct txrx_config *configs = i2s_tdm->soc_data->configs; in common_soc_init()
1224 u32 reg = 0, val = 0, trcm = i2s_tdm->clk_trcm; in common_soc_init()
1230 if (IS_ERR_OR_NULL(i2s_tdm->grf)) { in common_soc_init()
1231 dev_err(i2s_tdm->dev, in common_soc_init()
1232 "no grf present but non-txrx TRCM specified\n"); in common_soc_init()
1233 return -EINVAL; in common_soc_init()
1236 for (i = 0; i < i2s_tdm->soc_data->config_count; i++) { in common_soc_init()
1246 regmap_write(i2s_tdm->grf, reg, val); in common_soc_init()
1316 { .compatible = "rockchip,px30-i2s-tdm", .data = &px30_i2s_soc_data },
1317 { .compatible = "rockchip,rk1808-i2s-tdm", .data = &rk1808_i2s_soc_data },
1318 { .compatible = "rockchip,rk3308-i2s-tdm", .data = &rk3308_i2s_soc_data },
1319 { .compatible = "rockchip,rk3568-i2s-tdm", .data = &rk3568_i2s_soc_data },
1320 { .compatible = "rockchip,rk3588-i2s-tdm" },
1321 { .compatible = "rockchip,rv1126-i2s-tdm", .data = &rv1126_i2s_soc_data },
1337 struct device_node *node = i2s_tdm->dev->of_node; in rockchip_i2s_tdm_init_dai()
1339 of_property_for_each_string(node, "dma-names", dma_names, dma_name) { in rockchip_i2s_tdm_init_dai()
1341 i2s_tdm->has_playback = true; in rockchip_i2s_tdm_init_dai()
1343 i2s_tdm->has_capture = true; in rockchip_i2s_tdm_init_dai()
1346 dai = devm_kmemdup(i2s_tdm->dev, &i2s_tdm_dai, in rockchip_i2s_tdm_init_dai()
1349 return -ENOMEM; in rockchip_i2s_tdm_init_dai()
1351 if (i2s_tdm->has_playback) { in rockchip_i2s_tdm_init_dai()
1352 dai->playback.stream_name = "Playback"; in rockchip_i2s_tdm_init_dai()
1353 dai->playback.channels_min = 2; in rockchip_i2s_tdm_init_dai()
1354 dai->playback.channels_max = 8; in rockchip_i2s_tdm_init_dai()
1355 dai->playback.rates = SNDRV_PCM_RATE_8000_192000; in rockchip_i2s_tdm_init_dai()
1356 dai->playback.formats = formats; in rockchip_i2s_tdm_init_dai()
1359 if (i2s_tdm->has_capture) { in rockchip_i2s_tdm_init_dai()
1360 dai->capture.stream_name = "Capture"; in rockchip_i2s_tdm_init_dai()
1361 dai->capture.channels_min = 2; in rockchip_i2s_tdm_init_dai()
1362 dai->capture.channels_max = 8; in rockchip_i2s_tdm_init_dai()
1363 dai->capture.rates = SNDRV_PCM_RATE_8000_192000; in rockchip_i2s_tdm_init_dai()
1364 dai->capture.formats = formats; in rockchip_i2s_tdm_init_dai()
1367 if (i2s_tdm->clk_trcm != TRCM_TXRX) in rockchip_i2s_tdm_init_dai()
1368 dai->symmetric_rate = 1; in rockchip_i2s_tdm_init_dai()
1370 i2s_tdm->dai = dai; in rockchip_i2s_tdm_init_dai()
1383 i2s_data = i2s_tdm->i2s_sdis; in rockchip_i2s_tdm_path_check()
1385 i2s_data = i2s_tdm->i2s_sdos; in rockchip_i2s_tdm_path_check()
1388 if (i2s_data[i] > CH_GRP_MAX - 1) { in rockchip_i2s_tdm_path_check()
1389 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_check()
1393 return -EINVAL; in rockchip_i2s_tdm_path_check()
1401 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_check()
1406 return -EINVAL; in rockchip_i2s_tdm_path_check()
1420 regmap_update_bits(i2s_tdm->regmap, I2S_TXCR, in rockchip_i2s_tdm_tx_path_config()
1422 I2S_TXCR_PATH(idx, i2s_tdm->i2s_sdos[idx])); in rockchip_i2s_tdm_tx_path_config()
1432 regmap_update_bits(i2s_tdm->regmap, I2S_RXCR, in rockchip_i2s_tdm_rx_path_config()
1434 I2S_RXCR_PATH(idx, i2s_tdm->i2s_sdis[idx])); in rockchip_i2s_tdm_rx_path_config()
1451 i2s_tdm->mclk_tx_src = devm_clk_get(i2s_tdm->dev, "mclk_tx_src"); in rockchip_i2s_tdm_get_calibrate_mclks()
1452 if (!IS_ERR(i2s_tdm->mclk_tx_src)) in rockchip_i2s_tdm_get_calibrate_mclks()
1455 i2s_tdm->mclk_rx_src = devm_clk_get(i2s_tdm->dev, "mclk_rx_src"); in rockchip_i2s_tdm_get_calibrate_mclks()
1456 if (!IS_ERR(i2s_tdm->mclk_rx_src)) in rockchip_i2s_tdm_get_calibrate_mclks()
1459 i2s_tdm->mclk_root0 = devm_clk_get(i2s_tdm->dev, "mclk_root0"); in rockchip_i2s_tdm_get_calibrate_mclks()
1460 if (!IS_ERR(i2s_tdm->mclk_root0)) in rockchip_i2s_tdm_get_calibrate_mclks()
1463 i2s_tdm->mclk_root1 = devm_clk_get(i2s_tdm->dev, "mclk_root1"); in rockchip_i2s_tdm_get_calibrate_mclks()
1464 if (!IS_ERR(i2s_tdm->mclk_root1)) in rockchip_i2s_tdm_get_calibrate_mclks()
1468 return -ENOENT; in rockchip_i2s_tdm_get_calibrate_mclks()
1471 i2s_tdm->mclk_calibrate = 1; in rockchip_i2s_tdm_get_calibrate_mclks()
1480 char *i2s_tx_path_prop = "rockchip,i2s-tx-route"; in rockchip_i2s_tdm_path_prepare()
1481 char *i2s_rx_path_prop = "rockchip,i2s-rx-route"; in rockchip_i2s_tdm_path_prepare()
1488 i2s_data = i2s_tdm->i2s_sdis; in rockchip_i2s_tdm_path_prepare()
1491 i2s_data = i2s_tdm->i2s_sdos; in rockchip_i2s_tdm_path_prepare()
1496 if (num != -ENOENT) { in rockchip_i2s_tdm_path_prepare()
1497 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1504 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1506 return -EINVAL; in rockchip_i2s_tdm_path_prepare()
1512 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1520 dev_err(i2s_tdm->dev, in rockchip_i2s_tdm_path_prepare()
1521 "Failed to check i2s data bus: %d\n", ret); in rockchip_i2s_tdm_path_prepare()
1544 struct device_node *node = pdev->dev.of_node; in rockchip_i2s_tdm_probe()
1547 void __iomem *regs; in rockchip_i2s_tdm_probe() local
1550 i2s_tdm = devm_kzalloc(&pdev->dev, sizeof(*i2s_tdm), GFP_KERNEL); in rockchip_i2s_tdm_probe()
1552 return -ENOMEM; in rockchip_i2s_tdm_probe()
1554 i2s_tdm->dev = &pdev->dev; in rockchip_i2s_tdm_probe()
1556 spin_lock_init(&i2s_tdm->lock); in rockchip_i2s_tdm_probe()
1557 i2s_tdm->soc_data = device_get_match_data(&pdev->dev); in rockchip_i2s_tdm_probe()
1558 i2s_tdm->frame_width = 64; in rockchip_i2s_tdm_probe()
1560 i2s_tdm->clk_trcm = TRCM_TXRX; in rockchip_i2s_tdm_probe()
1561 if (of_property_read_bool(node, "rockchip,trcm-sync-tx-only")) in rockchip_i2s_tdm_probe()
1562 i2s_tdm->clk_trcm = TRCM_TX; in rockchip_i2s_tdm_probe()
1563 if (of_property_read_bool(node, "rockchip,trcm-sync-rx-only")) { in rockchip_i2s_tdm_probe()
1564 if (i2s_tdm->clk_trcm) { in rockchip_i2s_tdm_probe()
1565 dev_err(i2s_tdm->dev, "invalid trcm-sync configuration\n"); in rockchip_i2s_tdm_probe()
1566 return -EINVAL; in rockchip_i2s_tdm_probe()
1568 i2s_tdm->clk_trcm = TRCM_RX; in rockchip_i2s_tdm_probe()
1575 i2s_tdm->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf"); in rockchip_i2s_tdm_probe()
1576 i2s_tdm->tx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, in rockchip_i2s_tdm_probe()
1577 "tx-m"); in rockchip_i2s_tdm_probe()
1578 if (IS_ERR(i2s_tdm->tx_reset)) { in rockchip_i2s_tdm_probe()
1579 ret = PTR_ERR(i2s_tdm->tx_reset); in rockchip_i2s_tdm_probe()
1580 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1581 "Error in tx-m reset control\n"); in rockchip_i2s_tdm_probe()
1584 i2s_tdm->rx_reset = devm_reset_control_get_optional_exclusive(&pdev->dev, in rockchip_i2s_tdm_probe()
1585 "rx-m"); in rockchip_i2s_tdm_probe()
1586 if (IS_ERR(i2s_tdm->rx_reset)) { in rockchip_i2s_tdm_probe()
1587 ret = PTR_ERR(i2s_tdm->rx_reset); in rockchip_i2s_tdm_probe()
1588 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1589 "Error in rx-m reset control\n"); in rockchip_i2s_tdm_probe()
1592 i2s_tdm->hclk = devm_clk_get(&pdev->dev, "hclk"); in rockchip_i2s_tdm_probe()
1593 if (IS_ERR(i2s_tdm->hclk)) { in rockchip_i2s_tdm_probe()
1594 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->hclk), in rockchip_i2s_tdm_probe()
1598 i2s_tdm->mclk_tx = devm_clk_get(&pdev->dev, "mclk_tx"); in rockchip_i2s_tdm_probe()
1599 if (IS_ERR(i2s_tdm->mclk_tx)) { in rockchip_i2s_tdm_probe()
1600 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_tx), in rockchip_i2s_tdm_probe()
1604 i2s_tdm->mclk_rx = devm_clk_get(&pdev->dev, "mclk_rx"); in rockchip_i2s_tdm_probe()
1605 if (IS_ERR(i2s_tdm->mclk_rx)) { in rockchip_i2s_tdm_probe()
1606 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->mclk_rx), in rockchip_i2s_tdm_probe()
1610 i2s_tdm->io_multiplex = in rockchip_i2s_tdm_probe()
1611 of_property_read_bool(node, "rockchip,io-multiplex"); in rockchip_i2s_tdm_probe()
1615 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1616 "mclk-calibrate clocks missing"); in rockchip_i2s_tdm_probe()
1618 regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in rockchip_i2s_tdm_probe()
1619 if (IS_ERR(regs)) { in rockchip_i2s_tdm_probe()
1620 return dev_err_probe(i2s_tdm->dev, PTR_ERR(regs), in rockchip_i2s_tdm_probe()
1624 i2s_tdm->regmap = devm_regmap_init_mmio(&pdev->dev, regs, in rockchip_i2s_tdm_probe()
1626 if (IS_ERR(i2s_tdm->regmap)) { in rockchip_i2s_tdm_probe()
1627 return dev_err_probe(i2s_tdm->dev, PTR_ERR(i2s_tdm->regmap), in rockchip_i2s_tdm_probe()
1631 if (i2s_tdm->has_playback) { in rockchip_i2s_tdm_probe()
1632 i2s_tdm->playback_dma_data.addr = res->start + I2S_TXDR; in rockchip_i2s_tdm_probe()
1633 i2s_tdm->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_tdm_probe()
1634 i2s_tdm->playback_dma_data.maxburst = 8; in rockchip_i2s_tdm_probe()
1637 if (i2s_tdm->has_capture) { in rockchip_i2s_tdm_probe()
1638 i2s_tdm->capture_dma_data.addr = res->start + I2S_RXDR; in rockchip_i2s_tdm_probe()
1639 i2s_tdm->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_i2s_tdm_probe()
1640 i2s_tdm->capture_dma_data.maxburst = 8; in rockchip_i2s_tdm_probe()
1645 dev_err(&pdev->dev, "I2S TX path prepare failed: %d\n", ret); in rockchip_i2s_tdm_probe()
1651 dev_err(&pdev->dev, "I2S RX path prepare failed: %d\n", ret); in rockchip_i2s_tdm_probe()
1655 dev_set_drvdata(&pdev->dev, i2s_tdm); in rockchip_i2s_tdm_probe()
1657 ret = clk_prepare_enable(i2s_tdm->hclk); in rockchip_i2s_tdm_probe()
1659 return dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1665 ret = dev_err_probe(i2s_tdm->dev, ret, in rockchip_i2s_tdm_probe()
1670 if (i2s_tdm->mclk_calibrate) { in rockchip_i2s_tdm_probe()
1671 i2s_tdm->mclk_root0_initial_freq = clk_get_rate(i2s_tdm->mclk_root0); in rockchip_i2s_tdm_probe()
1672 i2s_tdm->mclk_root1_initial_freq = clk_get_rate(i2s_tdm->mclk_root1); in rockchip_i2s_tdm_probe()
1673 i2s_tdm->mclk_root0_freq = i2s_tdm->mclk_root0_initial_freq; in rockchip_i2s_tdm_probe()
1674 i2s_tdm->mclk_root1_freq = i2s_tdm->mclk_root1_initial_freq; in rockchip_i2s_tdm_probe()
1677 pm_runtime_enable(&pdev->dev); in rockchip_i2s_tdm_probe()
1679 regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, in rockchip_i2s_tdm_probe()
1681 regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, in rockchip_i2s_tdm_probe()
1683 regmap_update_bits(i2s_tdm->regmap, I2S_CKR, I2S_CKR_TRCM_MASK, in rockchip_i2s_tdm_probe()
1684 i2s_tdm->clk_trcm << I2S_CKR_TRCM_SHIFT); in rockchip_i2s_tdm_probe()
1686 if (i2s_tdm->soc_data && i2s_tdm->soc_data->init) in rockchip_i2s_tdm_probe()
1687 i2s_tdm->soc_data->init(&pdev->dev, res->start); in rockchip_i2s_tdm_probe()
1689 ret = devm_snd_soc_register_component(&pdev->dev, in rockchip_i2s_tdm_probe()
1691 i2s_tdm->dai, 1); in rockchip_i2s_tdm_probe()
1694 dev_err(&pdev->dev, "Could not register DAI\n"); in rockchip_i2s_tdm_probe()
1698 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); in rockchip_i2s_tdm_probe()
1700 dev_err(&pdev->dev, "Could not register PCM\n"); in rockchip_i2s_tdm_probe()
1707 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_tdm_probe()
1708 i2s_tdm_runtime_suspend(&pdev->dev); in rockchip_i2s_tdm_probe()
1709 pm_runtime_disable(&pdev->dev); in rockchip_i2s_tdm_probe()
1712 clk_disable_unprepare(i2s_tdm->hclk); in rockchip_i2s_tdm_probe()
1719 if (!pm_runtime_status_suspended(&pdev->dev)) in rockchip_i2s_tdm_remove()
1720 i2s_tdm_runtime_suspend(&pdev->dev); in rockchip_i2s_tdm_remove()
1722 pm_runtime_disable(&pdev->dev); in rockchip_i2s_tdm_remove()
1729 regcache_mark_dirty(i2s_tdm->regmap); in rockchip_i2s_tdm_suspend()
1742 ret = regcache_sync(i2s_tdm->regmap); in rockchip_i2s_tdm_resume()
1766 MODULE_DESCRIPTION("ROCKCHIP I2S/TDM ASoC Interface");
1767 MODULE_AUTHOR("Sugar Zhang <sugar.zhang@rock-chips.com>");