diff options
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 98 |
1 files changed, 63 insertions, 35 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 1169d1104b9e..320108bebf30 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -40,6 +40,7 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/dma/imx-dma.h> #include <sound/core.h> #include <sound/pcm.h> @@ -92,7 +93,7 @@ */ #define FSLSSI_AC97_DAIFMT \ (SND_SOC_DAIFMT_AC97 | \ - SND_SOC_DAIFMT_CBM_CFS | \ + SND_SOC_DAIFMT_BC_FP | \ SND_SOC_DAIFMT_NB_NF) #define FSLSSI_SIER_DBG_RX_FLAGS \ @@ -214,6 +215,7 @@ struct fsl_ssi_soc_data { * @synchronous: Use synchronous mode - both of TX and RX use STCK and SFCK * @use_dma: DMA is used or FIQ with stream filter * @use_dual_fifo: DMA with support for dual FIFO mode + * @use_dyna_fifo: DMA with support for multi FIFO script * @has_ipg_clk_name: If "ipg" is in the clock name list of device tree * @fifo_depth: Depth of the SSI FIFOs * @slot_width: Width of each DAI slot @@ -243,6 +245,7 @@ struct fsl_ssi_soc_data { * @dma_maxburst: Max number of words to transfer in one go. So far, * this is always the same as fifo_watermark. * @ac97_reg_lock: Mutex lock to serialize AC97 register access operations + * @audio_config: configure for dma multi fifo script */ struct fsl_ssi { struct regmap *regs; @@ -255,6 +258,7 @@ struct fsl_ssi { bool synchronous; bool use_dma; bool use_dual_fifo; + bool use_dyna_fifo; bool has_ipg_clk_name; unsigned int fifo_depth; unsigned int slot_width; @@ -287,6 +291,7 @@ struct fsl_ssi { u32 dma_maxburst; struct mutex ac97_reg_lock; + struct sdma_peripheral_config audio_config[2]; }; /* @@ -353,13 +358,13 @@ static bool fsl_ssi_is_ac97(struct fsl_ssi *ssi) static bool fsl_ssi_is_i2s_clock_provider(struct fsl_ssi *ssi) { return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) == - SND_SOC_DAIFMT_CBC_CFC; + SND_SOC_DAIFMT_BP_FP; } -static bool fsl_ssi_is_i2s_cbp_cfc(struct fsl_ssi *ssi) +static bool fsl_ssi_is_i2s_bc_fp(struct fsl_ssi *ssi) { return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) == - SND_SOC_DAIFMT_CBP_CFC; + SND_SOC_DAIFMT_BC_FP; } /** @@ -629,8 +634,8 @@ static void fsl_ssi_setup_ac97(struct fsl_ssi *ssi) static int fsl_ssi_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0)); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); int ret; ret = clk_prepare_enable(ssi->clk); @@ -643,7 +648,7 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream, * task from fifo0, fifo1 would be neglected at the end of each * period. But SSI would still access fifo1 with an invalid data. */ - if (ssi->use_dual_fifo) + if (ssi->use_dual_fifo || ssi->use_dyna_fifo) snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2); @@ -653,8 +658,8 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream, static void fsl_ssi_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0)); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); clk_disable_unprepare(ssi->clk); } @@ -802,6 +807,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, { bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai); + struct fsl_ssi_regvals *vals = ssi->regvals; struct regmap *regs = ssi->regs; unsigned int channels = params_channels(hw_params); unsigned int sample_size = params_width(hw_params); @@ -841,7 +847,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, u8 i2s_net = ssi->i2s_net; /* Normal + Network mode to send 16-bit data in 32-bit frames */ - if (fsl_ssi_is_i2s_cbp_cfc(ssi) && sample_size == 16) + if (fsl_ssi_is_i2s_bc_fp(ssi) && sample_size == 16) i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET; /* Use Normal mode to send mono data at 1st slot of 2 slots */ @@ -856,14 +862,36 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, tx2 = tx || ssi->synchronous; regmap_update_bits(regs, REG_SSI_SxCCR(tx2), SSI_SxCCR_WL_MASK, wl); + if (ssi->use_dyna_fifo) { + if (channels == 1) { + ssi->audio_config[0].n_fifos_dst = 1; + ssi->audio_config[1].n_fifos_src = 1; + vals[RX].srcr &= ~SSI_SRCR_RFEN1; + vals[TX].stcr &= ~SSI_STCR_TFEN1; + vals[RX].scr &= ~SSI_SCR_TCH_EN; + vals[TX].scr &= ~SSI_SCR_TCH_EN; + } else { + ssi->audio_config[0].n_fifos_dst = 2; + ssi->audio_config[1].n_fifos_src = 2; + vals[RX].srcr |= SSI_SRCR_RFEN1; + vals[TX].stcr |= SSI_STCR_TFEN1; + vals[RX].scr |= SSI_SCR_TCH_EN; + vals[TX].scr |= SSI_SCR_TCH_EN; + } + ssi->dma_params_tx.peripheral_config = &ssi->audio_config[0]; + ssi->dma_params_tx.peripheral_size = sizeof(ssi->audio_config[0]); + ssi->dma_params_rx.peripheral_config = &ssi->audio_config[1]; + ssi->dma_params_rx.peripheral_size = sizeof(ssi->audio_config[1]); + } + return 0; } static int fsl_ssi_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0)); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); if (fsl_ssi_is_i2s_clock_provider(ssi) && ssi->baudclk_streams & BIT(substream->stream)) { @@ -892,17 +920,17 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt) switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { - case SND_SOC_DAIFMT_CBC_CFC: + case SND_SOC_DAIFMT_BP_FP: if (IS_ERR(ssi->baudclk)) { dev_err(ssi->dev, "missing baudclk for master mode\n"); return -EINVAL; } fallthrough; - case SND_SOC_DAIFMT_CBP_CFC: + case SND_SOC_DAIFMT_BC_FP: ssi->i2s_net |= SSI_SCR_I2S_MODE_MASTER; break; - case SND_SOC_DAIFMT_CBP_CFP: + case SND_SOC_DAIFMT_BC_FC: ssi->i2s_net |= SSI_SCR_I2S_MODE_SLAVE; break; default: @@ -964,15 +992,15 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt) /* DAI clock provider masks */ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { - case SND_SOC_DAIFMT_CBC_CFC: + case SND_SOC_DAIFMT_BP_FP: /* Output bit and frame sync clocks */ strcr |= SSI_STCR_TFDIR | SSI_STCR_TXDIR; scr |= SSI_SCR_SYS_CLK_EN; break; - case SND_SOC_DAIFMT_CBP_CFP: + case SND_SOC_DAIFMT_BC_FC: /* Input bit or frame sync clocks */ break; - case SND_SOC_DAIFMT_CBP_CFC: + case SND_SOC_DAIFMT_BC_FP: /* Input bit clock but output frame sync clock */ strcr |= SSI_STCR_TFDIR; break; @@ -1079,8 +1107,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0)); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; switch (cmd) { @@ -1124,6 +1152,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai) } static const struct snd_soc_dai_ops fsl_ssi_dai_ops = { + .probe = fsl_ssi_dai_probe, .startup = fsl_ssi_startup, .shutdown = fsl_ssi_shutdown, .hw_params = fsl_ssi_hw_params, @@ -1134,7 +1163,6 @@ static const struct snd_soc_dai_ops fsl_ssi_dai_ops = { }; static struct snd_soc_dai_driver fsl_ssi_dai_template = { - .probe = fsl_ssi_dai_probe, .playback = { .stream_name = "CPU-Playback", .channels_min = 1, @@ -1154,20 +1182,20 @@ static struct snd_soc_dai_driver fsl_ssi_dai_template = { static const struct snd_soc_component_driver fsl_ssi_component = { .name = "fsl-ssi", + .legacy_dai_naming = 1, }; static struct snd_soc_dai_driver fsl_ssi_ac97_dai = { .symmetric_channels = 1, - .probe = fsl_ssi_dai_probe, .playback = { - .stream_name = "AC97 Playback", + .stream_name = "CPU AC97 Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S20, }, .capture = { - .stream_name = "AC97 Capture", + .stream_name = "CPU AC97 Capture", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_48000, @@ -1353,7 +1381,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, ssi->dma_params_rx.addr = ssi->ssi_phys + REG_SSI_SRX0; /* Use even numbers to avoid channel swap due to SDMA script design */ - if (ssi->use_dual_fifo) { + if (ssi->use_dual_fifo || ssi->use_dyna_fifo) { ssi->dma_params_tx.maxburst &= ~0x1; ssi->dma_params_rx.maxburst &= ~0x1; } @@ -1372,9 +1400,11 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, if (ret) goto error_pcm; } else { - ret = imx_pcm_dma_init(pdev, IMX_SSI_DMABUF_SIZE); - if (ret) + ret = imx_pcm_dma_init(pdev); + if (ret) { + dev_err_probe(dev, ret, "Failed to init PCM DMA\n"); goto error_pcm; + } } return 0; @@ -1418,7 +1448,7 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi) return -EINVAL; } strcpy(ssi->card_name, "ac97-codec"); - } else if (!of_find_property(np, "fsl,ssi-asynchronous", NULL)) { + } else if (!of_property_read_bool(np, "fsl,ssi-asynchronous")) { /* * In synchronous mode, STCK and STFS ports are used by RX * as well. So the software should limit the sample rates, @@ -1446,6 +1476,8 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi) if (ssi->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL) ssi->use_dual_fifo = true; + if (ssi->use_dma && !ret && dmas[2] == IMX_DMATYPE_MULTI_SAI) + ssi->use_dyna_fifo = true; /* * Backward compatible for older bindings by manually triggering the * machine driver's probe(). Use /compatible property, including the @@ -1640,7 +1672,7 @@ error_ac97_ops: return ret; } -static int fsl_ssi_remove(struct platform_device *pdev) +static void fsl_ssi_remove(struct platform_device *pdev) { struct fsl_ssi *ssi = dev_get_drvdata(&pdev->dev); @@ -1659,11 +1691,8 @@ static int fsl_ssi_remove(struct platform_device *pdev) snd_soc_set_ac97_ops(NULL); mutex_destroy(&ssi->ac97_reg_lock); } - - return 0; } -#ifdef CONFIG_PM_SLEEP static int fsl_ssi_suspend(struct device *dev) { struct fsl_ssi *ssi = dev_get_drvdata(dev); @@ -1693,17 +1722,16 @@ static int fsl_ssi_resume(struct device *dev) return regcache_sync(regs); } -#endif /* CONFIG_PM_SLEEP */ static const struct dev_pm_ops fsl_ssi_pm = { - SET_SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume) + SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume) }; static struct platform_driver fsl_ssi_driver = { .driver = { .name = "fsl-ssi-dai", .of_match_table = fsl_ssi_ids, - .pm = &fsl_ssi_pm, + .pm = pm_sleep_ptr(&fsl_ssi_pm), }, .probe = fsl_ssi_probe, .remove = fsl_ssi_remove, |
