diff options
Diffstat (limited to 'sound/soc/fsl/fsl_sai.c')
-rw-r--r-- | sound/soc/fsl/fsl_sai.c | 249 |
1 files changed, 176 insertions, 73 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 0e2c31439670..af1a168d35e3 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -163,14 +163,46 @@ out: return iret; } -static int fsl_sai_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask, - u32 rx_mask, int slots, int slot_width) +static int fsl_sai_set_dai_tdm_slot_tx(struct snd_soc_dai *cpu_dai, u32 tx_mask, + u32 rx_mask, int slots, int slot_width) +{ + struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai); + bool tx = true; + + sai->slots[tx] = slots; + sai->slot_width[tx] = slot_width; + + return 0; +} + +static int fsl_sai_set_dai_tdm_slot_rx(struct snd_soc_dai *cpu_dai, u32 tx_mask, + u32 rx_mask, int slots, int slot_width) { struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai); + bool tx = false; + + sai->slots[tx] = slots; + sai->slot_width[tx] = slot_width; + + return 0; +} + +static int fsl_sai_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask, + u32 rx_mask, int slots, int slot_width) +{ + int ret; + + ret = fsl_sai_set_dai_tdm_slot_tx(cpu_dai, tx_mask, rx_mask, slots, slot_width); + if (ret) + return ret; - sai->slots = slots; - sai->slot_width = slot_width; + return fsl_sai_set_dai_tdm_slot_rx(cpu_dai, tx_mask, rx_mask, slots, slot_width); +} +static int fsl_sai_xlate_tdm_slot_mask(unsigned int slots, + unsigned int *tx_mask, unsigned int *rx_mask) +{ + /* Leave it empty, don't change the value of tx_mask and rx_mask */ return 0; } @@ -238,22 +270,22 @@ static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, if (dir == SND_SOC_CLOCK_IN) return 0; - if (freq > 0 && clk_id != FSL_SAI_CLK_BUS) { - if (clk_id < 0 || clk_id >= FSL_SAI_MCLK_MAX) { - dev_err(cpu_dai->dev, "Unknown clock id: %d\n", clk_id); - return -EINVAL; - } + if (clk_id < 0 || clk_id >= FSL_SAI_MCLK_MAX) { + dev_err(cpu_dai->dev, "Unknown clock id: %d\n", clk_id); + return -EINVAL; + } - if (IS_ERR_OR_NULL(sai->mclk_clk[clk_id])) { - dev_err(cpu_dai->dev, "Unassigned clock: %d\n", clk_id); - return -EINVAL; - } + if (IS_ERR_OR_NULL(sai->mclk_clk[clk_id])) { + dev_err(cpu_dai->dev, "Unassigned clock: %d\n", clk_id); + return -EINVAL; + } - if (sai->mclk_streams == 0) { - ret = fsl_sai_set_mclk_rate(cpu_dai, clk_id, freq); - if (ret < 0) - return ret; - } + if (sai->mclk_streams == 0 && freq > 0) { + ret = fsl_sai_set_mclk_rate(cpu_dai, + clk_id ? clk_id : FSL_SAI_CLK_MAST1, + freq); + if (ret < 0) + return ret; } ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq, true); @@ -280,7 +312,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, val_cr4 |= FSL_SAI_CR4_MF; sai->is_pdm_mode = false; - sai->is_dsp_mode = false; + sai->is_dsp_mode[tx] = false; /* DAI mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: @@ -309,7 +341,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, */ val_cr2 |= FSL_SAI_CR2_BCP; val_cr4 |= FSL_SAI_CR4_FSE; - sai->is_dsp_mode = true; + sai->is_dsp_mode[tx] = true; break; case SND_SOC_DAIFMT_DSP_B: /* @@ -317,7 +349,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, * frame sync asserts with the first bit of the frame. */ val_cr2 |= FSL_SAI_CR2_BCP; - sai->is_dsp_mode = true; + sai->is_dsp_mode[tx] = true; break; case SND_SOC_DAIFMT_PDM: val_cr2 |= FSL_SAI_CR2_BCP; @@ -357,18 +389,18 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, case SND_SOC_DAIFMT_BP_FP: val_cr2 |= FSL_SAI_CR2_BCD_MSTR; val_cr4 |= FSL_SAI_CR4_FSD_MSTR; - sai->is_consumer_mode = false; + sai->is_consumer_mode[tx] = false; break; case SND_SOC_DAIFMT_BC_FC: - sai->is_consumer_mode = true; + sai->is_consumer_mode[tx] = true; break; case SND_SOC_DAIFMT_BP_FC: val_cr2 |= FSL_SAI_CR2_BCD_MSTR; - sai->is_consumer_mode = false; + sai->is_consumer_mode[tx] = false; break; case SND_SOC_DAIFMT_BC_FP: val_cr4 |= FSL_SAI_CR4_FSD_MSTR; - sai->is_consumer_mode = true; + sai->is_consumer_mode[tx] = true; break; default: return -EINVAL; @@ -400,6 +432,16 @@ static int fsl_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) return ret; } +static int fsl_sai_set_dai_fmt_tx(struct snd_soc_dai *cpu_dai, unsigned int fmt) +{ + return fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, true); +} + +static int fsl_sai_set_dai_fmt_rx(struct snd_soc_dai *cpu_dai, unsigned int fmt) +{ + return fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, false); +} + static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) { struct fsl_sai *sai = snd_soc_dai_get_drvdata(dai); @@ -412,7 +454,7 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) bool support_1_1_ratio = sai->verid.version >= 0x0301; /* Don't apply to consumer mode */ - if (sai->is_consumer_mode) + if (sai->is_consumer_mode[tx]) return 0; /* @@ -531,11 +573,11 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, u32 watermark; int ret, i; - if (sai->slot_width) - slot_width = sai->slot_width; + if (sai->slot_width[tx]) + slot_width = sai->slot_width[tx]; - if (sai->slots) - slots = sai->slots; + if (sai->slots[tx]) + slots = sai->slots[tx]; else if (sai->bclk_ratio) slots = sai->bclk_ratio / slot_width; @@ -575,7 +617,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, } } - if (!sai->is_consumer_mode) { + if (!sai->is_consumer_mode[tx]) { ret = fsl_sai_set_bclk(cpu_dai, tx, bclk); if (ret) return ret; @@ -590,7 +632,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, } } - if (!sai->is_dsp_mode && !sai->is_pdm_mode) + if (!sai->is_dsp_mode[tx] && !sai->is_pdm_mode) val_cr4 |= FSL_SAI_CR4_SYWD(slot_width); val_cr5 |= FSL_SAI_CR5_WNW(slot_width); @@ -603,6 +645,9 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, val_cr4 |= FSL_SAI_CR4_FRSZ(slots); + /* Set to avoid channel swap */ + val_cr4 |= FSL_SAI_CR4_FCONT; + /* Set to output mode to avoid tri-stated data pins */ if (tx) val_cr4 |= FSL_SAI_CR4_CHMOD; @@ -613,7 +658,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, * RCR5(TCR5) for playback(capture), or there will be sync error. */ - if (!sai->is_consumer_mode && fsl_sai_dir_is_synced(sai, adir)) { + if (!sai->is_consumer_mode[tx] && fsl_sai_dir_is_synced(sai, adir)) { regmap_update_bits(sai->regmap, FSL_SAI_xCR4(!tx, ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK | FSL_SAI_CR4_CHMOD_MASK, @@ -683,13 +728,13 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, * FSD_MSTR bit for this specific case. */ if (sai->soc_data->mclk_with_tere && sai->mclk_direction_output && - !sai->is_consumer_mode) + !sai->is_consumer_mode[tx]) regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_FSD_MSTR, 0); regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK | - FSL_SAI_CR4_CHMOD_MASK, + FSL_SAI_CR4_CHMOD_MASK | FSL_SAI_CR4_FCONT_MASK, val_cr4); regmap_update_bits(sai->regmap, FSL_SAI_xCR5(tx, ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | @@ -697,7 +742,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, /* Enable FSD_MSTR after configuring word width */ if (sai->soc_data->mclk_with_tere && sai->mclk_direction_output && - !sai->is_consumer_mode) + !sai->is_consumer_mode[tx]) regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_FSD_MSTR, FSL_SAI_CR4_FSD_MSTR); @@ -720,8 +765,8 @@ static int fsl_sai_hw_free(struct snd_pcm_substream *substream, regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx, ofs), FSL_SAI_CR3_TRCE_MASK, 0); - if (!sai->is_consumer_mode && - sai->mclk_streams & BIT(substream->stream)) { + if (!sai->is_consumer_mode[tx] && + sai->mclk_streams & BIT(substream->stream)) { clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[tx]]); sai->mclk_streams &= ~BIT(substream->stream); } @@ -759,7 +804,7 @@ static void fsl_sai_config_disable(struct fsl_sai *sai, int dir) * This is a hardware bug, and will be fix in the * next sai version. */ - if (!sai->is_consumer_mode) { + if (!sai->is_consumer_mode[tx]) { /* Software Reset */ regmap_write(sai->regmap, FSL_SAI_xCSR(tx, ofs), FSL_SAI_CSR_SR); /* Clear SR bit to finish the reset */ @@ -872,7 +917,7 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream, sai->dma_params_rx.maxburst); ret = snd_pcm_hw_constraint_list(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, &fsl_sai_rate_constraints); + SNDRV_PCM_HW_PARAM_RATE, &sai->constraint_rates); return ret; } @@ -914,6 +959,32 @@ static const struct snd_soc_dai_ops fsl_sai_pcm_dai_ops = { .startup = fsl_sai_startup, }; +static const struct snd_soc_dai_ops fsl_sai_pcm_dai_tx_ops = { + .probe = fsl_sai_dai_probe, + .set_bclk_ratio = fsl_sai_set_dai_bclk_ratio, + .set_sysclk = fsl_sai_set_dai_sysclk, + .set_fmt = fsl_sai_set_dai_fmt_tx, + .set_tdm_slot = fsl_sai_set_dai_tdm_slot_tx, + .xlate_tdm_slot_mask = fsl_sai_xlate_tdm_slot_mask, + .hw_params = fsl_sai_hw_params, + .hw_free = fsl_sai_hw_free, + .trigger = fsl_sai_trigger, + .startup = fsl_sai_startup, +}; + +static const struct snd_soc_dai_ops fsl_sai_pcm_dai_rx_ops = { + .probe = fsl_sai_dai_probe, + .set_bclk_ratio = fsl_sai_set_dai_bclk_ratio, + .set_sysclk = fsl_sai_set_dai_sysclk, + .set_fmt = fsl_sai_set_dai_fmt_rx, + .set_tdm_slot = fsl_sai_set_dai_tdm_slot_rx, + .xlate_tdm_slot_mask = fsl_sai_xlate_tdm_slot_mask, + .hw_params = fsl_sai_hw_params, + .hw_free = fsl_sai_hw_free, + .trigger = fsl_sai_trigger, + .startup = fsl_sai_startup, +}; + static int fsl_sai_dai_resume(struct snd_soc_component *component) { struct fsl_sai *sai = snd_soc_component_get_drvdata(component); @@ -931,26 +1002,55 @@ static int fsl_sai_dai_resume(struct snd_soc_component *component) return 0; } -static struct snd_soc_dai_driver fsl_sai_dai_template = { - .playback = { - .stream_name = "CPU-Playback", - .channels_min = 1, - .channels_max = 32, - .rate_min = 8000, - .rate_max = 2822400, - .rates = SNDRV_PCM_RATE_KNOT, - .formats = FSL_SAI_FORMATS, +static struct snd_soc_dai_driver fsl_sai_dai_template[] = { + { + .name = "sai-tx-rx", + .playback = { + .stream_name = "CPU-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 2822400, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_SAI_FORMATS, + }, + .capture = { + .stream_name = "CPU-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 2822400, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_SAI_FORMATS, + }, + .ops = &fsl_sai_pcm_dai_ops, + }, + { + .name = "sai-tx", + .playback = { + .stream_name = "SAI-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 2822400, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_SAI_FORMATS, + }, + .ops = &fsl_sai_pcm_dai_tx_ops, }, - .capture = { - .stream_name = "CPU-Capture", - .channels_min = 1, - .channels_max = 32, - .rate_min = 8000, - .rate_max = 2822400, - .rates = SNDRV_PCM_RATE_KNOT, - .formats = FSL_SAI_FORMATS, + { + .name = "sai-rx", + .capture = { + .stream_name = "SAI-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 2822400, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_SAI_FORMATS, + }, + .ops = &fsl_sai_pcm_dai_rx_ops, }, - .ops = &fsl_sai_pcm_dai_ops, }; static const struct snd_soc_component_driver fsl_component = { @@ -1376,6 +1476,11 @@ static int fsl_sai_probe(struct platform_device *pdev) fsl_asoc_get_pll_clocks(&pdev->dev, &sai->pll8k_clk, &sai->pll11k_clk); + fsl_asoc_constrain_rates(&sai->constraint_rates, + &fsl_sai_rate_constraints, + sai->pll8k_clk, sai->pll11k_clk, NULL, + sai->constraint_rates_list); + /* Use Multi FIFO mode depending on the support from SDMA script */ ret = of_property_read_u32_array(np, "dmas", dmas, 4); if (!sai->soc_data->use_edma && !ret && dmas[2] == IMX_DMATYPE_MULTI_SAI) @@ -1399,15 +1504,15 @@ static int fsl_sai_probe(struct platform_device *pdev) return ret; } - memcpy(&sai->cpu_dai_drv, &fsl_sai_dai_template, - sizeof(fsl_sai_dai_template)); + memcpy(&sai->cpu_dai_drv, fsl_sai_dai_template, + sizeof(*fsl_sai_dai_template) * ARRAY_SIZE(fsl_sai_dai_template)); /* Sync Tx with Rx as default by following old DT binding */ sai->synchronous[RX] = true; sai->synchronous[TX] = false; - sai->cpu_dai_drv.symmetric_rate = 1; - sai->cpu_dai_drv.symmetric_channels = 1; - sai->cpu_dai_drv.symmetric_sample_bits = 1; + sai->cpu_dai_drv[0].symmetric_rate = 1; + sai->cpu_dai_drv[0].symmetric_channels = 1; + sai->cpu_dai_drv[0].symmetric_sample_bits = 1; if (of_property_read_bool(np, "fsl,sai-synchronous-rx") && of_property_read_bool(np, "fsl,sai-asynchronous")) { @@ -1424,9 +1529,9 @@ static int fsl_sai_probe(struct platform_device *pdev) /* Discard all settings for asynchronous mode */ sai->synchronous[RX] = false; sai->synchronous[TX] = false; - sai->cpu_dai_drv.symmetric_rate = 0; - sai->cpu_dai_drv.symmetric_channels = 0; - sai->cpu_dai_drv.symmetric_sample_bits = 0; + sai->cpu_dai_drv[0].symmetric_rate = 0; + sai->cpu_dai_drv[0].symmetric_channels = 0; + sai->cpu_dai_drv[0].symmetric_sample_bits = 0; } sai->mclk_direction_output = of_property_read_bool(np, "fsl,sai-mclk-direction-output"); @@ -1505,7 +1610,7 @@ static int fsl_sai_probe(struct platform_device *pdev) } ret = devm_snd_soc_register_component(dev, &fsl_component, - &sai->cpu_dai_drv, 1); + sai->cpu_dai_drv, ARRAY_SIZE(fsl_sai_dai_template)); if (ret) goto err_pm_get_sync; @@ -1746,18 +1851,16 @@ disable_bus_clk: } static const struct dev_pm_ops fsl_sai_pm_ops = { - SET_RUNTIME_PM_OPS(fsl_sai_runtime_suspend, - fsl_sai_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) + RUNTIME_PM_OPS(fsl_sai_runtime_suspend, fsl_sai_runtime_resume, NULL) + SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; static struct platform_driver fsl_sai_driver = { .probe = fsl_sai_probe, - .remove_new = fsl_sai_remove, + .remove = fsl_sai_remove, .driver = { .name = "fsl-sai", - .pm = &fsl_sai_pm_ops, + .pm = pm_ptr(&fsl_sai_pm_ops), .of_match_table = fsl_sai_ids, }, }; |