| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 259 | 100.00% | 4 | 100.00% | |
| Total | 259 | 4 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jerome Brunet | 259 | 100.00% | 4 | 100.00% |
| Total | 259 | 4 |
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) * * Copyright (c) 2018 Baylibre SAS. * Author: Jerome Brunet <jbrunet@baylibre.com> */ #ifndef _MESON_AXG_TDM_H #define _MESON_AXG_TDM_H #include <linux/clk.h> #include <linux/regmap.h> #include <sound/pcm.h> #include <sound/soc.h> #include <sound/soc-dai.h> #define AXG_TDM_NUM_LANES 4 #define AXG_TDM_CHANNEL_MAX 128 #define AXG_TDM_RATES (SNDRV_PCM_RATE_5512 | \ SNDRV_PCM_RATE_8000_384000) #define AXG_TDM_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S20_LE | \ SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) struct axg_tdm_iface { struct clk *sclk; struct clk *lrclk; struct clk *mclk; unsigned long mclk_rate; /* format is common to all the DAIs of the iface */ unsigned int fmt; unsigned int slots; unsigned int slot_width; /* For component wide symmetry */ int rate; }; static inline bool axg_tdm_lrclk_invert(unsigned int fmt) { return ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S) ^ !!(fmt & (SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_NB_IF)); } static inline bool axg_tdm_sclk_invert(unsigned int fmt) { return fmt & (SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_IB_NF); } struct axg_tdm_stream { struct axg_tdm_iface *iface; struct list_head formatter_list; struct mutex lock; unsigned int channels; unsigned int width; unsigned int physical_width; u32 *mask; bool ready; }; struct axg_tdm_stream *axg_tdm_stream_alloc(struct axg_tdm_iface *iface); void axg_tdm_stream_free(struct axg_tdm_stream *ts); int axg_tdm_stream_start(struct axg_tdm_stream *ts); void axg_tdm_stream_stop(struct axg_tdm_stream *ts); static inline int axg_tdm_stream_reset(struct axg_tdm_stream *ts) { axg_tdm_stream_stop(ts); return axg_tdm_stream_start(ts); } int axg_tdm_set_tdm_slots(struct snd_soc_dai *dai, u32 *tx_mask, u32 *rx_mask, unsigned int slots, unsigned int slot_width); #endif /* _MESON_AXG_TDM_H */