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author | Mark Brown <broonie@linaro.org> | 2013-07-04 19:30:01 +0200 |
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committer | Mark Brown <broonie@linaro.org> | 2013-07-04 19:30:01 +0200 |
commit | 986a622df307644af14618bee54c901aa74816da (patch) | |
tree | 6da87812b9120634381e3e3987e115f90bd562e0 /sound/soc/blackfin/bf5xx-i2s.c | |
parent | Linux 3.10 (diff) | |
parent | ASoC: imx-sgtl5000: return E_PROBE_DEFER if ssi/codec not found (diff) | |
download | linux-986a622df307644af14618bee54c901aa74816da.tar.xz linux-986a622df307644af14618bee54c901aa74816da.zip |
Merge remote-tracking branch 'asoc/fix/fsl' into asoc-linus
Diffstat (limited to 'sound/soc/blackfin/bf5xx-i2s.c')
-rw-r--r-- | sound/soc/blackfin/bf5xx-i2s.c | 129 |
1 files changed, 109 insertions, 20 deletions
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c index dd0c2a4f83a3..9a174fc47d39 100644 --- a/sound/soc/blackfin/bf5xx-i2s.c +++ b/sound/soc/blackfin/bf5xx-i2s.c @@ -42,6 +42,7 @@ #include <linux/gpio.h> #include "bf5xx-sport.h" +#include "bf5xx-i2s-pcm.h" struct bf5xx_i2s_port { u16 tcr1; @@ -49,6 +50,13 @@ struct bf5xx_i2s_port { u16 tcr2; u16 rcr2; int configured; + + unsigned int slots; + unsigned int tx_mask; + unsigned int rx_mask; + + struct bf5xx_i2s_pcm_data tx_dma_data; + struct bf5xx_i2s_pcm_data rx_dma_data; }; static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, @@ -74,7 +82,8 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, ret = -EINVAL; break; default: - printk(KERN_ERR "%s: Unknown DAI format type\n", __func__); + dev_err(cpu_dai->dev, "%s: Unknown DAI format type\n", + __func__); ret = -EINVAL; break; } @@ -88,7 +97,8 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, ret = -EINVAL; break; default: - printk(KERN_ERR "%s: Unknown DAI master type\n", __func__); + dev_err(cpu_dai->dev, "%s: Unknown DAI master type\n", + __func__); ret = -EINVAL; break; } @@ -141,14 +151,14 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1, bf5xx_i2s->rcr2, 0, 0); if (ret) { - pr_err("SPORT is busy!\n"); + dev_err(dai->dev, "SPORT is busy!\n"); return -EBUSY; } ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1, bf5xx_i2s->tcr2, 0, 0); if (ret) { - pr_err("SPORT is busy!\n"); + dev_err(dai->dev, "SPORT is busy!\n"); return -EBUSY; } } @@ -162,18 +172,76 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream, struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data; - pr_debug("%s enter\n", __func__); + dev_dbg(dai->dev, "%s enter\n", __func__); /* No active stream, SPORT is allowed to be configured again. */ if (!dai->active) bf5xx_i2s->configured = 0; } +static int bf5xx_i2s_set_channel_map(struct snd_soc_dai *dai, + unsigned int tx_num, unsigned int *tx_slot, + unsigned int rx_num, unsigned int *rx_slot) +{ + struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); + struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data; + unsigned int tx_mapped = 0, rx_mapped = 0; + unsigned int slot; + int i; + + if ((tx_num > BFIN_TDM_DAI_MAX_SLOTS) || + (rx_num > BFIN_TDM_DAI_MAX_SLOTS)) + return -EINVAL; + + for (i = 0; i < tx_num; i++) { + slot = tx_slot[i]; + if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && + (!(tx_mapped & (1 << slot)))) { + bf5xx_i2s->tx_dma_data.map[i] = slot; + tx_mapped |= 1 << slot; + } else + return -EINVAL; + } + for (i = 0; i < rx_num; i++) { + slot = rx_slot[i]; + if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && + (!(rx_mapped & (1 << slot)))) { + bf5xx_i2s->rx_dma_data.map[i] = slot; + rx_mapped |= 1 << slot; + } else + return -EINVAL; + } + + return 0; +} + +static int bf5xx_i2s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int width) +{ + struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); + struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data; + + if (slots % 8 != 0 || slots > 8) + return -EINVAL; + + if (width != 32) + return -EINVAL; + + bf5xx_i2s->slots = slots; + bf5xx_i2s->tx_mask = tx_mask; + bf5xx_i2s->rx_mask = rx_mask; + + bf5xx_i2s->tx_dma_data.tdm_mode = slots != 0; + bf5xx_i2s->rx_dma_data.tdm_mode = slots != 0; + + return sport_set_multichannel(sport_handle, slots, tx_mask, rx_mask, 0); +} + #ifdef CONFIG_PM static int bf5xx_i2s_suspend(struct snd_soc_dai *dai) { struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - pr_debug("%s : sport %d\n", __func__, dai->id); + dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id); if (dai->capture_active) sport_rx_stop(sport_handle); @@ -188,23 +256,24 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai) struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data; int ret; - pr_debug("%s : sport %d\n", __func__, dai->id); + dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id); ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1, bf5xx_i2s->rcr2, 0, 0); if (ret) { - pr_err("SPORT is busy!\n"); + dev_err(dai->dev, "SPORT is busy!\n"); return -EBUSY; } ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1, bf5xx_i2s->tcr2, 0, 0); if (ret) { - pr_err("SPORT is busy!\n"); + dev_err(dai->dev, "SPORT is busy!\n"); return -EBUSY; } - return 0; + return sport_set_multichannel(sport_handle, bf5xx_i2s->slots, + bf5xx_i2s->tx_mask, bf5xx_i2s->rx_mask, 0); } #else @@ -212,6 +281,23 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai) #define bf5xx_i2s_resume NULL #endif +static int bf5xx_i2s_dai_probe(struct snd_soc_dai *dai) +{ + struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); + struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data; + unsigned int i; + + for (i = 0; i < BFIN_TDM_DAI_MAX_SLOTS; i++) { + bf5xx_i2s->tx_dma_data.map[i] = i; + bf5xx_i2s->rx_dma_data.map[i] = i; + } + + dai->playback_dma_data = &bf5xx_i2s->tx_dma_data; + dai->capture_dma_data = &bf5xx_i2s->rx_dma_data; + + return 0; +} + #define BF5XX_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ @@ -224,22 +310,25 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai) SNDRV_PCM_FMTBIT_S32_LE) static const struct snd_soc_dai_ops bf5xx_i2s_dai_ops = { - .shutdown = bf5xx_i2s_shutdown, - .hw_params = bf5xx_i2s_hw_params, - .set_fmt = bf5xx_i2s_set_dai_fmt, + .shutdown = bf5xx_i2s_shutdown, + .hw_params = bf5xx_i2s_hw_params, + .set_fmt = bf5xx_i2s_set_dai_fmt, + .set_tdm_slot = bf5xx_i2s_set_tdm_slot, + .set_channel_map = bf5xx_i2s_set_channel_map, }; static struct snd_soc_dai_driver bf5xx_i2s_dai = { + .probe = bf5xx_i2s_dai_probe, .suspend = bf5xx_i2s_suspend, .resume = bf5xx_i2s_resume, .playback = { - .channels_min = 1, - .channels_max = 2, + .channels_min = 2, + .channels_max = 8, .rates = BF5XX_I2S_RATES, .formats = BF5XX_I2S_FORMATS,}, .capture = { - .channels_min = 1, - .channels_max = 2, + .channels_min = 2, + .channels_max = 8, .rates = BF5XX_I2S_RATES, .formats = BF5XX_I2S_FORMATS,}, .ops = &bf5xx_i2s_dai_ops, @@ -255,7 +344,7 @@ static int bf5xx_i2s_probe(struct platform_device *pdev) int ret; /* configure SPORT for I2S */ - sport_handle = sport_init(pdev, 4, 2 * sizeof(u32), + sport_handle = sport_init(pdev, 4, 8 * sizeof(u32), sizeof(struct bf5xx_i2s_port)); if (!sport_handle) return -ENODEV; @@ -264,7 +353,7 @@ static int bf5xx_i2s_probe(struct platform_device *pdev) ret = snd_soc_register_component(&pdev->dev, &bf5xx_i2s_component, &bf5xx_i2s_dai, 1); if (ret) { - pr_err("Failed to register DAI: %d\n", ret); + dev_err(&pdev->dev, "Failed to register DAI: %d\n", ret); sport_done(sport_handle); return ret; } @@ -276,7 +365,7 @@ static int bf5xx_i2s_remove(struct platform_device *pdev) { struct sport_device *sport_handle = platform_get_drvdata(pdev); - pr_debug("%s enter\n", __func__); + dev_dbg(&pdev->dev, "%s enter\n", __func__); snd_soc_unregister_component(&pdev->dev); sport_done(sport_handle); |