diff options
Diffstat (limited to 'sound/soc/mediatek/common/mtk-afe-fe-dai.c')
-rw-r--r-- | sound/soc/mediatek/common/mtk-afe-fe-dai.c | 377 |
1 files changed, 300 insertions, 77 deletions
diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c index 10ea4fdbeb1e..4254f3a954dd 100644 --- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c +++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c @@ -6,11 +6,13 @@ * Author: Garlic Tseng <garlic.tseng@mediatek.com> */ +#include <linux/io.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <sound/soc.h> #include "mtk-afe-platform-driver.h" +#include <sound/pcm_params.h> #include "mtk-afe-fe-dai.h" #include "mtk-base-afe.h" @@ -120,50 +122,60 @@ int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); - struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - int msb_at_bit33 = 0; - int ret, fs = 0; - - ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); - if (ret < 0) + int id = rtd->cpu_dai->id; + struct mtk_base_afe_memif *memif = &afe->memif[id]; + int ret; + unsigned int channels = params_channels(params); + unsigned int rate = params_rate(params); + snd_pcm_format_t format = params_format(params); + + if (afe->request_dram_resource) + afe->request_dram_resource(afe->dev); + + dev_dbg(afe->dev, "%s(), %s, ch %d, rate %d, fmt %d, dma_addr %pad, dma_area %p, dma_bytes 0x%zx\n", + __func__, memif->data->name, + channels, rate, format, + &substream->runtime->dma_addr, + substream->runtime->dma_area, + substream->runtime->dma_bytes); + + memset_io(substream->runtime->dma_area, 0, + substream->runtime->dma_bytes); + + /* set addr */ + ret = mtk_memif_set_addr(afe, id, + substream->runtime->dma_area, + substream->runtime->dma_addr, + substream->runtime->dma_bytes); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, set addr, ret %d\n", + __func__, id, ret); return ret; - - msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0; - memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr); - memif->buffer_size = substream->runtime->dma_bytes; - - /* start */ - mtk_regmap_write(afe->regmap, memif->data->reg_ofs_base, - memif->phys_buf_addr); - /* end */ - mtk_regmap_write(afe->regmap, - memif->data->reg_ofs_base + AFE_BASE_END_OFFSET, - memif->phys_buf_addr + memif->buffer_size - 1); - - /* set MSB to 33-bit */ - mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg, - 1, msb_at_bit33, memif->data->msb_shift); + } /* set channel */ - if (memif->data->mono_shift >= 0) { - unsigned int mono = (params_channels(params) == 1) ? 1 : 0; - - mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg, - 1, mono, memif->data->mono_shift); + ret = mtk_memif_set_channel(afe, id, channels); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, set channel %d, ret %d\n", + __func__, id, channels, ret); + return ret; } /* set rate */ - if (memif->data->fs_shift < 0) - return 0; - - fs = afe->memif_fs(substream, params_rate(params)); - - if (fs < 0) - return -EINVAL; + ret = mtk_memif_set_rate_substream(substream, id, rate); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, set rate %d, ret %d\n", + __func__, id, rate, ret); + return ret; + } - mtk_regmap_update_bits(afe->regmap, memif->data->fs_reg, - memif->data->fs_maskbit, fs, - memif->data->fs_shift); + /* set format */ + ret = mtk_memif_set_format(afe, id, format); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, set format %d, ret %d\n", + __func__, id, format, ret); + return ret; + } return 0; } @@ -172,7 +184,12 @@ EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_params); int mtk_afe_fe_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - return snd_pcm_lib_free_pages(substream); + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + + if (afe->release_dram_resource) + afe->release_dram_resource(afe->dev); + + return 0; } EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_free); @@ -182,20 +199,25 @@ int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime * const runtime = substream->runtime; struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); - struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + int id = rtd->cpu_dai->id; + struct mtk_base_afe_memif *memif = &afe->memif[id]; struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage]; const struct mtk_base_irq_data *irq_data = irqs->irq_data; unsigned int counter = runtime->period_size; int fs; + int ret; dev_dbg(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: - mtk_regmap_update_bits(afe->regmap, - memif->data->enable_reg, - 1, 1, memif->data->enable_shift); + ret = mtk_memif_set_enable(afe, id); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, memif enable, ret %d\n", + __func__, id, ret); + return ret; + } /* set irq counter */ mtk_regmap_update_bits(afe->regmap, irq_data->irq_cnt_reg, @@ -219,15 +241,19 @@ int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd, return 0; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: - mtk_regmap_update_bits(afe->regmap, memif->data->enable_reg, - 1, 0, memif->data->enable_shift); + ret = mtk_memif_set_disable(afe, id); + if (ret) { + dev_err(afe->dev, "%s(), error, id %d, memif enable, ret %d\n", + __func__, id, ret); + } + /* disable interrupt */ mtk_regmap_update_bits(afe->regmap, irq_data->irq_en_reg, 1, 0, irq_data->irq_en_shift); /* and clear pending IRQ */ mtk_regmap_write(afe->regmap, irq_data->irq_clr_reg, 1 << irq_data->irq_clr_shift); - return 0; + return ret; default: return -EINVAL; } @@ -239,34 +265,15 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); - struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - int hd_audio = 0; - int hd_align = 0; + int id = rtd->cpu_dai->id; + int pbuf_size; - /* set hd mode */ - switch (substream->runtime->format) { - case SNDRV_PCM_FORMAT_S16_LE: - hd_audio = 0; - break; - case SNDRV_PCM_FORMAT_S32_LE: - hd_audio = 1; - hd_align = 1; - break; - case SNDRV_PCM_FORMAT_S24_LE: - hd_audio = 1; - break; - default: - dev_err(afe->dev, "%s() error: unsupported format %d\n", - __func__, substream->runtime->format); - break; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (afe->get_memif_pbuf_size) { + pbuf_size = afe->get_memif_pbuf_size(substream); + mtk_memif_set_pbuf_size(afe, id, pbuf_size); + } } - - mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg, - 1, hd_audio, memif->data->hd_shift); - - mtk_regmap_update_bits(afe->regmap, memif->data->hd_align_reg, - 1, hd_align, memif->data->hd_align_mshift); - return 0; } EXPORT_SYMBOL_GPL(mtk_afe_fe_prepare); @@ -312,9 +319,9 @@ int mtk_dynamic_irq_release(struct mtk_base_afe *afe, int irq_id) } EXPORT_SYMBOL_GPL(mtk_dynamic_irq_release); -int mtk_afe_dai_suspend(struct snd_soc_dai *dai) +int mtk_afe_suspend(struct snd_soc_component *component) { - struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); struct device *dev = afe->dev; struct regmap *regmap = afe->regmap; int i; @@ -335,11 +342,11 @@ int mtk_afe_dai_suspend(struct snd_soc_dai *dai) afe->runtime_suspend(dev); return 0; } -EXPORT_SYMBOL_GPL(mtk_afe_dai_suspend); +EXPORT_SYMBOL_GPL(mtk_afe_suspend); -int mtk_afe_dai_resume(struct snd_soc_dai *dai) +int mtk_afe_resume(struct snd_soc_component *component) { - struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); struct device *dev = afe->dev; struct regmap *regmap = afe->regmap; int i = 0; @@ -359,7 +366,223 @@ int mtk_afe_dai_resume(struct snd_soc_dai *dai) afe->suspended = false; return 0; } -EXPORT_SYMBOL_GPL(mtk_afe_dai_resume); +EXPORT_SYMBOL_GPL(mtk_afe_resume); + +int mtk_memif_set_enable(struct mtk_base_afe *afe, int id) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + + if (memif->data->enable_shift < 0) { + dev_warn(afe->dev, "%s(), error, id %d, enable_shift < 0\n", + __func__, id); + return 0; + } + return mtk_regmap_update_bits(afe->regmap, memif->data->enable_reg, + 1, 1, memif->data->enable_shift); +} +EXPORT_SYMBOL_GPL(mtk_memif_set_enable); + +int mtk_memif_set_disable(struct mtk_base_afe *afe, int id) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + + if (memif->data->enable_shift < 0) { + dev_warn(afe->dev, "%s(), error, id %d, enable_shift < 0\n", + __func__, id); + return 0; + } + return mtk_regmap_update_bits(afe->regmap, memif->data->enable_reg, + 1, 0, memif->data->enable_shift); +} +EXPORT_SYMBOL_GPL(mtk_memif_set_disable); + +int mtk_memif_set_addr(struct mtk_base_afe *afe, int id, + unsigned char *dma_area, + dma_addr_t dma_addr, + size_t dma_bytes) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + int msb_at_bit33 = upper_32_bits(dma_addr) ? 1 : 0; + unsigned int phys_buf_addr = lower_32_bits(dma_addr); + unsigned int phys_buf_addr_upper_32 = upper_32_bits(dma_addr); + + memif->dma_area = dma_area; + memif->dma_addr = dma_addr; + memif->dma_bytes = dma_bytes; + + /* start */ + mtk_regmap_write(afe->regmap, memif->data->reg_ofs_base, + phys_buf_addr); + /* end */ + if (memif->data->reg_ofs_end) + mtk_regmap_write(afe->regmap, + memif->data->reg_ofs_end, + phys_buf_addr + dma_bytes - 1); + else + mtk_regmap_write(afe->regmap, + memif->data->reg_ofs_base + + AFE_BASE_END_OFFSET, + phys_buf_addr + dma_bytes - 1); + + /* set start, end, upper 32 bits */ + if (memif->data->reg_ofs_base_msb) { + mtk_regmap_write(afe->regmap, memif->data->reg_ofs_base_msb, + phys_buf_addr_upper_32); + mtk_regmap_write(afe->regmap, + memif->data->reg_ofs_end_msb, + phys_buf_addr_upper_32); + } + + /* set MSB to 33-bit */ + if (memif->data->msb_reg >= 0) + mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg, + 1, msb_at_bit33, memif->data->msb_shift); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_memif_set_addr); + +int mtk_memif_set_channel(struct mtk_base_afe *afe, + int id, unsigned int channel) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + unsigned int mono; + + if (memif->data->mono_shift < 0) + return 0; + + if (memif->data->quad_ch_mask) { + unsigned int quad_ch = (channel == 4) ? 1 : 0; + + mtk_regmap_update_bits(afe->regmap, memif->data->quad_ch_reg, + memif->data->quad_ch_mask, + quad_ch, memif->data->quad_ch_shift); + } + + if (memif->data->mono_invert) + mono = (channel == 1) ? 0 : 1; + else + mono = (channel == 1) ? 1 : 0; + + return mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg, + 1, mono, memif->data->mono_shift); +} +EXPORT_SYMBOL_GPL(mtk_memif_set_channel); + +static int mtk_memif_set_rate_fs(struct mtk_base_afe *afe, + int id, int fs) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + + if (memif->data->fs_shift >= 0) + mtk_regmap_update_bits(afe->regmap, memif->data->fs_reg, + memif->data->fs_maskbit, + fs, memif->data->fs_shift); + + return 0; +} + +int mtk_memif_set_rate(struct mtk_base_afe *afe, + int id, unsigned int rate) +{ + int fs = 0; + + if (!afe->get_dai_fs) { + dev_err(afe->dev, "%s(), error, afe->get_dai_fs == NULL\n", + __func__); + return -EINVAL; + } + + fs = afe->get_dai_fs(afe, id, rate); + + if (fs < 0) + return -EINVAL; + + return mtk_memif_set_rate_fs(afe, id, fs); +} +EXPORT_SYMBOL_GPL(mtk_memif_set_rate); + +int mtk_memif_set_rate_substream(struct snd_pcm_substream *substream, + int id, unsigned int rate) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); + + int fs = 0; + + if (!afe->memif_fs) { + dev_err(afe->dev, "%s(), error, afe->memif_fs == NULL\n", + __func__); + return -EINVAL; + } + + fs = afe->memif_fs(substream, rate); + + if (fs < 0) + return -EINVAL; + + return mtk_memif_set_rate_fs(afe, id, fs); +} +EXPORT_SYMBOL_GPL(mtk_memif_set_rate_substream); + +int mtk_memif_set_format(struct mtk_base_afe *afe, + int id, snd_pcm_format_t format) +{ + struct mtk_base_afe_memif *memif = &afe->memif[id]; + int hd_audio = 0; + int hd_align = 0; + + /* set hd mode */ + switch (format) { + case SNDRV_PCM_FORMAT_S16_LE: + case SNDRV_PCM_FORMAT_U16_LE: + hd_audio = 0; + break; + case SNDRV_PCM_FORMAT_S32_LE: + case SNDRV_PCM_FORMAT_U32_LE: + hd_audio = 1; + hd_align = 1; + break; + case SNDRV_PCM_FORMAT_S24_LE: + case SNDRV_PCM_FORMAT_U24_LE: + hd_audio = 1; + break; + default: + dev_err(afe->dev, "%s() error: unsupported format %d\n", + __func__, format); + break; + } + + mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg, + 1, hd_audio, memif->data->hd_shift); + + mtk_regmap_update_bits(afe->regmap, memif->data->hd_align_reg, + 1, hd_align, memif->data->hd_align_mshift); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_memif_set_format); + +int mtk_memif_set_pbuf_size(struct mtk_base_afe *afe, + int id, int pbuf_size) +{ + const struct mtk_base_memif_data *memif_data = afe->memif[id].data; + + if (memif_data->pbuf_mask == 0 || memif_data->minlen_mask == 0) + return 0; + + mtk_regmap_update_bits(afe->regmap, memif_data->pbuf_reg, + memif_data->pbuf_mask, + pbuf_size, memif_data->pbuf_shift); + + mtk_regmap_update_bits(afe->regmap, memif_data->minlen_reg, + memif_data->minlen_mask, + pbuf_size, memif_data->minlen_shift); + return 0; +} +EXPORT_SYMBOL_GPL(mtk_memif_set_pbuf_size); MODULE_DESCRIPTION("Mediatek simple fe dai operator"); MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>"); |