[alsa-devel] [PATCH v2 1/2] ASoC: mediatek: common: add some helpers to control mtk_memif
Eason Yen
eason.yen at mediatek.com
Fri Nov 15 11:48:45 CET 2019
1. Add the following helper in mtk-afe-fe-dai to control
to control mtk_memif
- mtk_memif_set_enable
- mtk_memif_set_disable
- mtk_memif_set_addr
- mtk_memif_set_channel
- mtk_memif_set_rate
- mtk_memif_set_rate_substream
- mtk_memif_set_format
- mtk_memif_set_pbuf_size
2.extend mtk_base_memif_data struct for new platform
Signed-off-by: Eason Yen <eason.yen at mediatek.com>
---
sound/soc/mediatek/common/mtk-afe-fe-dai.c | 216 +++++++++++++++++++++++++++++
sound/soc/mediatek/common/mtk-afe-fe-dai.h | 16 +++
sound/soc/mediatek/common/mtk-base-afe.h | 28 +++-
3 files changed, 259 insertions(+), 1 deletion(-)
diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
index 10ea4fd..309dc1e 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
@@ -361,6 +361,222 @@ int mtk_afe_dai_resume(struct snd_soc_dai *dai)
}
EXPORT_SYMBOL_GPL(mtk_afe_dai_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 at mediatek.com>");
MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.h b/sound/soc/mediatek/common/mtk-afe-fe-dai.h
index 55074fb..507e3e7 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.h
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.h
@@ -34,4 +34,20 @@ int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
int mtk_afe_dai_suspend(struct snd_soc_dai *dai);
int mtk_afe_dai_resume(struct snd_soc_dai *dai);
+int mtk_memif_set_enable(struct mtk_base_afe *afe, int id);
+int mtk_memif_set_disable(struct mtk_base_afe *afe, int id);
+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);
+int mtk_memif_set_channel(struct mtk_base_afe *afe,
+ int id, unsigned int channel);
+int mtk_memif_set_rate(struct mtk_base_afe *afe,
+ int id, unsigned int rate);
+int mtk_memif_set_rate_substream(struct snd_pcm_substream *substream,
+ int id, unsigned int rate);
+int mtk_memif_set_format(struct mtk_base_afe *afe,
+ int id, snd_pcm_format_t format);
+int mtk_memif_set_pbuf_size(struct mtk_base_afe *afe,
+ int id, int pbuf_size);
#endif
diff --git a/sound/soc/mediatek/common/mtk-base-afe.h b/sound/soc/mediatek/common/mtk-base-afe.h
index 60cb609..a8cf44d 100644
--- a/sound/soc/mediatek/common/mtk-base-afe.h
+++ b/sound/soc/mediatek/common/mtk-base-afe.h
@@ -16,21 +16,38 @@ struct mtk_base_memif_data {
const char *name;
int reg_ofs_base;
int reg_ofs_cur;
+ int reg_ofs_end;
+ int reg_ofs_base_msb;
+ int reg_ofs_cur_msb;
+ int reg_ofs_end_msb;
int fs_reg;
int fs_shift;
int fs_maskbit;
int mono_reg;
int mono_shift;
+ int mono_invert;
+ int quad_ch_reg;
+ int quad_ch_mask;
+ int quad_ch_shift;
int enable_reg;
int enable_shift;
int hd_reg;
- int hd_align_reg;
int hd_shift;
+ int hd_align_reg;
int hd_align_mshift;
int msb_reg;
int msb_shift;
+ int msb2_reg;
+ int msb2_shift;
int agent_disable_reg;
int agent_disable_shift;
+ /* playback memif only */
+ int pbuf_reg;
+ int pbuf_mask;
+ int pbuf_shift;
+ int minlen_reg;
+ int minlen_mask;
+ int minlen_shift;
};
struct mtk_base_irq_data {
@@ -84,6 +101,12 @@ struct mtk_base_afe {
unsigned int rate);
int (*irq_fs)(struct snd_pcm_substream *substream,
unsigned int rate);
+ int (*get_dai_fs)(struct mtk_base_afe *afe,
+ int dai_id, unsigned int rate);
+ int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
+
+ int (*request_dram_resource)(struct device *dev);
+ int (*release_dram_resource)(struct device *dev);
void *platform_priv;
};
@@ -95,6 +118,9 @@ struct mtk_base_afe_memif {
const struct mtk_base_memif_data *data;
int irq_usage;
int const_irq;
+ unsigned char *dma_area;
+ dma_addr_t dma_addr;
+ size_t dma_bytes;
};
struct mtk_base_afe_irq {
--
1.9.1
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